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In the period from the 4th to 5th of October 2021, the 32nd session of the Interstate Council on Hydrometeorology of the Commonwealth of Independent States (ICH CIS) was held via videoconferencing. The meeting was traditionally attended by the heads of the national hydrometeorological services of the CIS, representatives of the World Meteorological Organization (WMO), as well as the CIS Executive Committee in the field of hydrometeorology and related areas. To participate in the 32nd session of the ICH CIS, the following representatives of the Republic of Belarus went out to contact from the building of the CIS Executive Committee, located in Minsk at 17 Kirov Street: Alexander Burov , Director of the Department for Security Cooperation and Countering New Challenges and Threats of the CIS Executive Committee; Georgy Samsonov , Head of the Department for Cooperation in the Field of Prevention and Elimination of Emergency Situations of the Department for Cooperation in the Field of Security and Countering New Challenges and Threats of the CIS Executive Committee;  Aliaksandr Konovalchyk , Head of the state institution “Republican Center for Hydrometeorology, Control of Radioactive Contamination and Environmental Monitoring” (Belhydromet); Anna Matsevilo , Chief of International Cooperation and Public Relations Service, Belhydromet. Deputy Secretary-General of the WMO Elena Manaenkova opened the session with a welcoming speech . Igor Shumakov , Head of the Russian Federal Service for Hydrometeorology and Environmental Monitoring, chaired the 32nd session of the ICH CIS. Within the framework of the session, reports on the activities of the national hydrometeorological services of the CIS were presented, as well as topical issues on their interaction and development during the intersessional period were considered, including: "On the activities of national hydrometeorological services, their interaction within the CIS and the WMO"; "On the implementation of the Agreement on the interstate hydrometeorological network of the CIS"; "On the progress of implementation of the Strategy for the Development of Hydrometeorological Activities of the CIS Member States and the Plan for its Implementation"; "On projects to modernize the observation networks of the NHMS with the involvement of IBRD funds"; "On the project of a unified information space of meteorological data of the EAEC countries (REANET)"; "On participation in the activities of the Earth Observation Group" and others. Representatives of the Republic of Belarus made reports: "On the activities of the hydrometeorological service of the Republic of Belarus, interaction within the CIS and the WMO"; "On the organization and conduct of hydrobiological observations on water bodies in the NMHS of the ICH CIS member states." In accordance with the documents of the session, acting director of the state non-commercial organization "Center for Hydrometeorology and Monitoring" of the Ministry of Environment of the Republic of Armenia Levon Azizyan was appointed Chairman of the ICH CIS for the next period. The next 33rd session of the ICH CIS is scheduled for the 4th quarter of 2022 in the territory of the Republic of Kazakhstan.

In the period from the 16th to 22nd of September, 2021, the European Mobility Week was held once again, and the city environmental campaign "Car-Free Day" took place on the 22nd of September. As part of the action, on September 21 and 22 the environmental monitoring service of Belhydromet of the Ministry of natural resources and environmental protection of the Republic of Belarus carried out a route survey of the state of atmospheric air at the points agreed with the Minsk City Committee of Natural Resources and Environmental Protection, followed by testing of atmospheric air samples. On September 21, 2021, in the area of the recreation zone (Museum of Boulders), the intersection of Y. Kolas and Kulman streets and recreation areas (Gorky Park), the concentration of formaldehyde was - from 0.4 to 0.6 MPC, nitrogen dioxide - 0.2 MPC and carbon monoxide - from 0.06 to 0.2 MPC. On September 22, 2021, a decrease in the level of atmospheric air pollution was observed. So the concentration of nitrogen dioxide and formaldehyde at two points was below the detection limit of the method, the concentration of carbon monoxide ranged from 0.06 to 0.07 MPC. Name of substance Unit Date (time) of selection Temperature and wind direction while sampling Sampling site designation MPC m/r Т.1 Т.2 Т.3 Formaldehyde μ g / m3 2021/09/21 t =5,5,÷5,6 °C, NNW 11 18 30 2021/09/22 t =6,8÷9,1 °C, N 13 Nitrogen dioxide μ g / m3 2021/09/21 t =5,5,÷5,6 °C, NNW 38 60 38 250 2021/09/22 t =6,8÷9,1 °C, N Carbon oxide μ g / m3 2021/09/21 t =5,5,÷5,6 °C, NNW 980 770 300 5000 2021/09/22 t =6,8÷9,1 °C, N 280 310 340   The designations used in the table: Т .1 - Minsk, recreation zone "Park of stones"; Т .2 - Minsk, intersection of J. Kolas and Kuhlman str.; Т .3 - Minsk, recreation area (Central Children's Park named after Gorky).       The concentration of carbon oxide, nitrogen dioxide and formaldehyde in the taken samples of atmospheric air did not exceed the normalized values of the maximum one-time concentrations in the atmospheric air.  

Since 2003 World Water Monitoring Day has been celebrated annually on the 18th of September. This day was established at the initiative of the American Clean Water Foundation. The holiday has become an information and educational program aimed at raising public awareness of the problems of the planet's water resources and participating in protection from pollution. The program provides an opportunity for people to carry out basic monitoring of the condition of local water bodies and is supported by the Water Environment Federation (WEF) and the International Water Association (IWA). The traditional event of this Day is taking water samples in different reservoirs of our planet to assess its quality and safety for the life of people and living organisms. Those who wish are invited to conduct a series of simple tests to determine the quality of water in local rivers, lakes and other sources, and publish the results on the website of the World Water Monitoring Day (WWMD). The suitability of water for drinking is determined by sanitary and epidemiological rules and regulations. Experts check it for epidemic and radiation safety, chemical composition and organoleptic properties. And, if special equipment is needed to determine the chemical composition, we can evaluate the organoleptic properties ourselves, this is how our senses perceive water. The water should be odorless, tasteless, colorless and free of turbidity. The presence of aquatic organisms and surface films visible to the naked eye is not allowed in drinking water. In 2020 surface water monitoring on the territory of the Republic of Belarus was carried out at 297 observation points. Regular observations are carried out on 160 water bodies, of which 86 watercourses (176 observation points) and 74 water bodies (121 observation points). Observation points for the state of surface waters, indicators and frequency of monitoring the quality of surface waters are determined by order of the Ministry of natural resources and environmental protection of the Republic of Belarus dated July 19, 2019 No. 180-OD “On monitoring surface and ground waters”. Observations on hydrochemical indicators are carried out by the state agency "Republican center of analytical control in the field of environmental protection", on hydrobiological indicators - by the state institution “Republican center for hydrometeorology, control of radioactive contamination and environmental monitoring”.

Proposals to establish this holiday were made in February of this year at the VI All-Belarusian People's Assembly. It was on this day – September, 17 - in 1939 that the Polish campaign of the Red Army began, as a result of which the reunion of Western Belarus and the BSSR happened. The President of Belarus Alexander Lukashenko supported the initiative. The head of state signed a corresponding decree on the establishment of a new public holiday on June 7, 2021. “Day of National Unity is celebrated on the 17th of September. This day became an act of historical justice for the Belarusian people, divided against their will in 1921 under the terms of the Riga Peace Treaty, and forever fixed in the national historical tradition. The unity restored in 1939 allowed Belarus to withstand the years of the Great Patriotic War, to take an honorable place in the international community, to become one of the co-founders of the United Nations,” the presidential press service said in a commentary. It also emphasizes that today the Belarusian people are united in choosing a strategic course for the development of a strong, sovereign and prosperous country. The establishment of the Day of National Unity on September, 17 emphasizes the continuity of generations, the inviolability and self-sufficiency of the Belarusian nation and statehood. The President is convinced that the Day of National Unity was established on the 17th of September quite fairly, this date can be considered the day of the reunion of the Belarusian people. A large number of various social, political and patriotic events, as well as in the field of culture, museum activities and media, are planned in Belarus for the Day of National Unity at various levels. In the period of September 17-18, the management, the collective, together with the Trade Union Committee of Belhydromet, plans to take an active part in the events dedicated to this holiday and calls on caring citizens to take part in planting trees and shrubs in settlements and along highways, in the laying of parks, squares and alleys in places subject to landscaping and improvement!

In 1994 the UN General Assembly proclaimed the 16th of September as the International Day for the Preservation of the Ozone Layer. The day commemorates the signing of the Montreal Protocol on substances that deplete the ozone layer and has been celebrated since 1995. The slogan of the International Day for the Preservation of the Ozone Layer is: “Save the sky: protect yourself - protect the ozone layer”. On the 16th of September, 1987, 36 countries signed a document according to which the participating countries must limit and completely stop the production of ozone-depleting substances. States were encouraged to dedicate this day to promoting activities in line with the mission and objectives set out in the Montreal Protocol and its amendments. For the Republic of Belarus the protocol entered into force in 1989. Since then, the country has fulfilled all its obligations, the consumption of ozone-depleting substances has decreased by more than 60 times. In order to conduct research in the field of the ozone layer, on June 14, 1997, the Establishment of the Belarusian State University “National Research Center for Monitoring the Ozonosphere” was created. Its specialists monitor changes in the thickness of the ozone layer over Belarus, and also work on the issue of utilizing hazardous gases and replacing them with safe analogs, carry out constant monitoring of the state of the atmosphere and the ozone layer. Since 1997 the country has been operating systems for licensing the regulation of imports and exports, as well as activities related to the handling of ozone-depleting substances within the country. The ozone layer is the lightest and the thinnest layer in the atmosphere and contains a relative concentration of ozone (up to 0.001%). 90% of atmospheric ozone is located between 10 and 40 km above the Earth's surface. This area is called the stratosphere. It is she who protects the planet from the dangerous ultraviolet radiation of solar energy. The main task of the ozone layer is to protect the planet from dangerous solar radiation. The ozone layer serves as the earth's natural shield. In the 80s of the 20th century scientists made a discovery: in the Antarctic region the total ozone content decreased by 2 times. It was then that the name “ozone hole” appeared. Chlorine oxide affects ozone depletion. It is a product of factories, industrial enterprises. The problem of the destruction of the planet's ozone layer is closely related to the threat of global warming. There is an assumption that the restoration of the ozone shell will slow down the melting of ice. We cannot prevent the emergence of ozone holes. However, a person is capable of saving ozone at least at the household level. If the preservation of the environment becomes a priority for each of the states, it is possible that the destructive impact on our habitat will reach a minimum.

In the period from the 16th to 22nd of September, 2021 the EUROPEAN MOBILITY WEEK is held once again. Each year the campaign is dedicated to topics related to drawing public attention to the problems of excess road transport, and involves the holding of actions, bicycle parades, conferences and events with the participation of different age groups of the population, aimed at popularizing of urban public passenger transport, environmentally friendly modes of transport , hiking, healthy lifestyle and environmental preservation. This year the theme of the European Mobility Week is “Safe and Healthy with Sustainable Mobility”. This year's theme selection pays tribute to the challenges the world is facing during the Covid-19 pandemic. European Mobility Week is an international campaign that takes place every year from 16 to 22 September to encourage European countries to implement and promote sustainable transport policies and to invite people to try alternatives to using a car. The final stage of the week is the Car-Free Day, which is held worldwide on the 22nd of September. This is the seventh time Belarus joins this international campaign, which last year united about 3,000 settlements from more than 50 countries. Last year 85 settlements in Belarus, including Minsk, joined the campaign. This year, within the framework of the week, mobile classes “Car in the city? There is an alternative!”, the preventive alternative activity “Safety Road”, the challenge on Instagram #smart mobility, as well as the campaigns “Cycling to school” and “Cycling to work!”. In addition, it is planned to hold a dialogue platform on the topic “Use of alternative vehicles to the car. Their safe operation”, an ecological seminar “Mobile electric transport - replacing a car", a cinema lecture for students of educational institutions in Minsk “World Car Free Day” in the “Pioner” cinema, a master class on the technique of cycling tourism, a plogging race on the territory of Minsk and a thematic tour of the Museum of Urban Passenger Transport and Production. Also, during the European Mobility Week it is planned to open a club of ecotransport lovers and the "VeloSezd" festival in the park of the 60th anniversary of the Great October Revolution. From the 21th to the 22nd of September Minsk will measure the concentration of pollutants in the air and measure the noise level. Such studies are regularly organized during Mobility Week. The results of the previous years' tests on September, 22 show a positive trend. Every year the difference between noise levels and pollutant concentrations on normal days and on a Car-Free Day becomes more pronounced. Belhydromet specialists traditionally take the most active part in the campaign. Among the main activities are route surveys of the state of atmospheric air in areas with different anthropogenic load: highways with heavy traffic, recreation and recreation areas. Measurements of air pollution are carried out the day before and directly on the Day without a car. The results are compared with the data obtained on the stationary air monitoring network, taking into account the nature of the meteorological conditions. The Belhydromet team calls for supporting the environmental campaign and for at least one day abandon the use of road transport, preferring to walk or travel by public transport!  

In August, water level fluctuations were noted on the rivers of the country. The minimum water levels in certain sections of the rivers of the Dnieper, Sozh and Pripyat basins approached the multiyear minimums for August, and on the Lan River near the village of Mokrovo (a tributary of the Pripyat) the value of the minimum water level dropped below the historical minimum for this time of year. The water content of the Neman and Viliya was close to the usual for this time of year, the water content of the Dnieper, Berezina and Sozh was 30-40% less than the norm, and the water content of the Western Dvina, Western Bug and Pripyat was 50-60% less than the norm. As of the date of the forecast, water levels on the rivers of the Srana are rising almost everywhere. Unfavorable conditions for the operation of river transport are noted on the Western Dvina near Vitebsk, Neman near Grodno, Dnieper near Mogilev, Zhlobin, Rechitsa and Loev, Berezina near Bobruisk and Svetlogorsk, Sozhe near Krichev, Slavgorod and Gomel. Forecast information about the minimum water levels in September The minimum water levels in September are projected below the multiyear averages for this time of year.

On August 19, 2021, a working meeting with representatives of the Trade Mission of the Russian Federation in the Republic of Belarus was held at the State Institution "Republican Center for Hydrometeorology, Radioactive Pollution Control and Environmental Monitoring" (hereinafter - Belhydromet). First Deputy Head Svetlana Kuzmich, Deputy Head of the Aviation and Meteorological Monitoring Service Irina Dudnik , and Deputy Head of the Service -   Head of the International Cooperation Department Andrei Korobchuk took part in the working meeting on the part of Belhydromet. On the part of the Trade Representation of the Russian Federation in the Republic of Belarus - Zalina Kobesova is the interim trade representative of the Russian Federation in the Republic of Belarus, and Alexander Timchenko is a consultant of the Trade Representation of the Russian Federation in the Republic of Belarus. Within the framework of the working meeting, the issue of interest of Belhydromet's participation in the international project REANET, which provides for the creation of a unified information field of Doppler meteorological radar data of the countries of the Eurasian Economic Union, was discussed. The meeting participants preliminarily agreed to hold an extended meeting in September 2021 for a detailed presentation of the REANET project with the participation of all stakeholders from both the Russian Federation and the Republic of Belarus. Representatives of the Trade Representation of the Russian Federation in the Republic of Belarus visited the meteorological forecast service of Belhydromet, where they got acquainted with the basic principles of Belhydromet's operation, including the principle of operation and output products of Doppler weather radars, information on the use of these data in the production of weather forecasts and forecasting dangerous and unfavorable phenomena weather. A dummy doppler weather radar was shown to the participants at the end of the working meeting.

In July, the national average air temperature was +22.5°C, which is 4.1°C higher than the climatic norm, the above zero temperature anomaly spread throughout Belarus. During the month, 66.0 mm of precipitation fell on average in the republic, which amounted to 78% of the climatic norm. Precipitation spread over the territory of the country extremely unevenly. Most precipitation in a month fell on the territory of the Brest region - 126% of the climatic norm, the least amount of precipitation (33% of the climatic norm) fell on the territory of the Vitebsk region. During the month, precipitation was mainly of a torrential nature, in some areas the rains reached the criterion of a dangerous phenomenon, as a result of which for a short time on the Western Dvina near the city of Vitebsk and Berezina near the city of Bobruisk, conditions for the operation of river transport improved, on the tributary of the Western Bug, the Lesnaya River near the town of Kamenets, the water level exceeded the mark of water outlet to the floodplain. In July, on the rivers of the country, there was mainly a decline in water levels, as a result of which on the Dnieper near Loyev, Berezina near Svetlogorsk and Sozhe near Gomel, water levels dropped below dangerous low marks limiting navigation on the Berezina tributary, the Sushanka River near e. On dry land, the water level dropped below the mark of water outlet to the floodplain. Unfavorable conditions for the operation of river transport were noted on the navigable sections of the Western Dvina, Neman, Dnieper, Berezina and Sozh. At the end of July, the water content of the Neman, Viliya and Berezina was close to the norm and somewhat less than it; the water content of the Western Dvina, Dnieper, Sozh and Pripyat was significantly less than usual for this time of year. The average water temperature in the rivers in July was 20-26°C, which is 2-5°C higher than usual for this time of the year.

The average air temperature in Belarus for the first summer month of 2021 was + 19.9°C, which is 3.5°C higher than the climatic norm. June 2021 ranked 3rd in a ranked series of observations from warmest to coldest since 1945. Daytime temperatures in the first half of the month were mainly within the range of +20 +25°C, in the second half of the month they increased to +30°C and above, and on June 22-25 they exceeded the 35-degree mark in places, which corresponds to the criterion of a dangerous phenomenon. In the third decade of June, an intense heat wave was noted, as a result of which the absolute maximum air temperature for June was updated in most of the territory of Belarus, with the exception of some observation points mainly in the west. During the month, on average, 54.6 mm of precipitation fell in the republic, which amounted to 67% of the climatic norm, but at some points of observation, the amount of precipitation for the month exceeded the norm. The humidification regime was uneven throughout the month. The first and second decades were dry: 40 and 48% of the ten-day norm fell out, respectively. In the third decade, 110% of the ten-day norm fell out. The rains were mostly torrential, accompanied by thunderstorms and hail. In some areas, the rains have reached the criteria for a hazardous phenomenon. In June, on the rivers of the country, there was mainly a decrease in water levels, as a result of which, on the tributary of the Western Bug, the Narev River, the Dnieper near the Loyev city, the Berezina near the Berezino, Sluch and Ptich water entered the channel, and on the Western Dvina near Vitebsk, Dnieper near Mogilev, Zhlobin and Rechitsa, Berezin near Bobruisk, Sozhe near Krichev and Slavgorod, working conditions worsened river transport. In the last five days of the month, precipitation caused an increase in water levels in most of the rivers in the basins of the Western Dvina, Neman, Viliya, Berezina and Sozh, in connection with which, on the tributary of the Berezina, the Sushanka river near the village of Susha, water reached the floodplain. The water content of most rivers in June was close to the usual for this time of year and slightly lower than the norm; the water content of the Berezina and Dnieper near the town of Rechitsa was 30% higher than the norm, and the water content of the Sozh near the town of Gomel was 65% higher. The value of the minimum water level in June on the Lan River near the village of Mokrovo (a tributary of the Pripyat) turned out to be lower than the historical minimum for the period of the summer-autumn dry season. The average monthly water temperature in rivers and reservoirs in June was 18-22°С, which is close to the usual temperature for this time of the year.