BELHYDROMET

The state institution «Republican Center for Hydrometeorology, Control of Radioactive Contamination and Environmental Monitoring» informs about the exceedances of the MPC standards for pollutants in the atmospheric air of the cities of the republic for the period from May 29 to June 4, 2025.

In the air of Minsk in the Uruchye microdistrict on May 29, 2025, the average daily concentration of solid particles, fractions up to 2.5 microns in size, was 1.28 MPC (south, east, southeast winds at a speed of 1–3 m/s were recorded, rain was observed, air temperature varied from +14.2°C to +21.2°C, relative humidity ranged from 64% to 99%). On June 2, 2025, at 07:00 the maximum one-time concentration of formaldehyde in the area of Bogdanovicha St.,254 was 1.23 MPC, in the area of the intersection of Shchorsa St. and Grushevskaya St. was equal to 1.13 MPC (a south wind at a speed of 1 m/s was observed, air temperature was 13.3°C, relative humidity was 86%).

In the air of Mogilev in the area of Schmidt Ave.,19 on May 29, 2025, the average daily concentration of ground-level ozone was 1.1 MPC (east-southeast, southeast winds at a speed of 1–5 m/s were observed, air temperature varied from +14.7°C to +21.3°C, relative humidity ranged from 66% to 88%).

In the air of Dobrush in the area of the Engelsa St. on May 30, 2025, the maximum one-time concentration of formaldehyde at 08:00 was 1.03 MPC (a north wind at a speed of 1 m/s was observed, air temperature was 16.3°C, relative humidity was 83%), at 08:20 – 1.13 MPC (a north wind at a speed of 1 m/s was observed, air temperature was 17.3°C, relative humidity was 80%), at 08:40 – 1.03 MPC (winds of variable directions at a speed of 1 m/s were observed, air temperature was 18.2°C, relative humidity was 75%), at 22:00 – 1.01 MPC (winds of variable directions at a speed of 1 m/s were observed, air temperature was 16.1°C, relative humidity was 81%), at 22:20 – 1.02 MPC (winds of variable directions at a speed of 1 m/s were observed, air temperature was 16.0°C, relative humidity was 84%); on May 31, 2025, at 23:20 was equal to 1.27 MPC (a north wind at a speed of 1 m/s was observed, air temperature was 17.1°C, relative humidity was 73%); on June 1, 2025, at 24:20 was equal to 1.03 MPC (a calm wind was observed, air temperature was 16.8°C, relative humidity was 76%), at 01:00 was equal to 1.03 MPC (a calm wind was observed, air temperature was 16.7°C, relative humidity was 77%). In the area of the Engelsa St.,1 on June 2, 2025, 15 cases of exceeding the maximum one-time concentration of formaldehyde by 1.13–1.46 times were recorded (a calm wind was observed, air temperature varied from +13.7°C to +18.2°C, relative humidity ranged from 73% to 93%); on June 3, 2025, 46 cases by 1.01–1.62 times were recorded (a calm wind was observed, winds of variable directions with a speed of 1–3 m/s were detected, air temperature varied from +15.2°C to +25.6°C, relative humidity ranged from 55% to 96%); on June 4, 2025, 7 cases by 1.03–1.53 times were recorded (a calm wind was observed, air temperature varied from +14.8°C to +19.8°C, relative humidity ranged from 56% to 88%).

In the air of Osipovichi in the area of Shamyakina St. on May 30, 2025, at 03:00 the maximum one-time concentration of solid particles, fractions up to 10 microns (hereinafter referred to as PM10), was 1.69 MPC (a north wind at a speed of 1 m/s was observed, air temperature was 13.2°C, relative humidity was 96%), at 03:20 was equal to 1.70 MPC (a northeast wind at a speed of 1 m/s was observed, air temperature was 12.9°C, relative humidity was 96%), at 03:40 was equal to 1.51 MPC (a north-northwest wind at a speed of 1 m/s, air temperature was 12.7°C, relative humidity was 96%), at 04:00 was equal to 1.48 MPC (a northeast wind at a speed of 1 m/s was observed, air temperature was 12.7°C, relative humidity was 96%); on June 4, 2025, at 18:40 was equal to 1.03 MPC (winds of variable directions at a speed of 1 m/s were observed, air temperature was 22.7°C, relative humidity was 43%), at 19:40 was equal to 1.54 MPC (a northeast wind at a speed of 1 m/s was observed, air temperature was 21.8°C, relative humidity was 44%), at 21:00 was equal to 2.45 MPC (a calm wind was observed, air temperature was 19.6°C, relative humidity was 52%), at 22:20 was equal to 1.56 MPC (a calm wind was observed, air temperature was 15.5°C, relative humidity was 74%), at 22:40 was equal to 1.17 MPC (a calm wind was observed, air temperature was 14.9°C, relative humidity was 77%), at 23:20 was equal to 1.08 MPC (a calm wind was observed, air temperature was 14.1°C, relative humidity was 80%).

In the air of Glubokoe in the area of Kirova St., 124-main closed TS-1204 (124-ЗТПГ-1204), line 2, post 3, on May 30, 2025, the maximum one-time concentration of PM10 at 04:00 was 1.14 MPC (a north-northwest wind at a speed of 2 m/s was observed, air temperature was +13.4°C, relative humidity was 97%), at 04:20 was equal to 1.03 MPC (winds of variable directions at a speed of 1 m/s were observed, air temperature was +13.3°C, relative humidity was 97%); in the area of the Narodnaya St., substation №2032, power line №3, post 2/21, at 04:00 was equal to 1.09 MPC (a calm wind was observed, air temperature was +13.3°C, relative humidity was 94%), at 06:20 was equal to 1.12 MPC (winds of variable directions at a speed of 1 m/s were observed, air temperature was +12.4°C, relative humidity was 95%); in the area of Beglets lake, CCTS-513 (КТПБ-513), line 6, post 3, at 04:00 was equal to 1.60 MPC (a north wind at a speed of 2 m/s was observed, air temperature was +13.4°C, relative humidity was 95%), at 04:20 was equal to 2.49 MPC (a north wind at a speed of 2 m/s, air temperature was +13.3°C, relative humidity was 96%), at 04:40 was equal to 1.47 MPC (winds of variable directions at a speed of 2 m/s were observed, air temperature was +13.2°C, relative humidity was 96%), at 06:20 was equal to 1.61 MPC (an east-northeast wind at a speed of 2 m/s was observed, air temperature was +12.5°C, relative humidity was 96%).

In the air of Brest in the area of Severnaya St.,75 on June 1, 2025, the average daily concentration of PM10 was 1.25 MPC (a calm wind was observed, winds of variable directions at a speed of 1–3 m/s were detected, air temperature varied from +11.9°C to +24.7°C, relative humidity ranged from 41% to 89%).

In the air of Smorgon in the area of Sinkevich,119 on June 1, 2025, at 20:20 the maximum one-time concentration of PM10 exceeded by 1.48 times (a calm wind was observed, air temperature was +18.4°C, relative humidity was 44%), at 21:00 by 1.93 times (a calm wind was observed, air temperature was +17.0°C, relative humidity was 59%), at 21:20 by 1.57 times (a calm wind was observed, air temperature was +16.2°C, relative humidity was 60%). On June 4, 2025, at 21:00 in the area of Koreni St.,48A the maximum one-time concentration of PM10 exceeded by 1.48 times (a west wind at a speed of 1 m/s was observed, air temperature was +19.0°C, relative humidity was 53%).

In the air of Grodno in the area of Obukhova St.,15 on June 4, 2025, a slight excess of the maximum permissible concentration for surface ozone, established for an 8-hour period, was recorded: from 16:00 to 24:00 the concentration of surface ozone was 1.05 MPC (south, southeast winds at a speed of 1–2 m/s, air temperature varied from +22.6°C to +23.7°C, relative humidity ranged from 38% to 50%).

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