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 September 4 to September 10, 2025.
In the air of Brest in the area of St. 75 Severnaya Street on September 4, 2025, there were exceedances of the maximum permissible concentration for ground-level ozone, established for a 1-hour period: the concentration of ground–level ozone from 13:00 to 14:00 was 1.04 MPC, 14:00 to 15:00 was 1.30 MPC, from 15:00 to 16:00 – 1.28 MPC, from 16:00 to 17:00 – 1.27 MPC, from 17:00 to 18:00 – 1.30 MPC, from 18:00 to 19:00 – 1.30 MPC, from 19:00 to 20:00 – 1.20 MPC, from 20:00 to 21:00 – 1.08 MPC, from 21:00 to 22:00 – 1.07 MPC, from 22:00 to 23:00 – 1.10 MPC, from 23:00 to 24:00 – 1.12 MPC (wind of variable directions with a speed of 1 m/s was observed, the air temperature ranged from +19.1°C to +25.1°C, relative humidity – from 67% to 91%), exceeding the maximum permissible concentration limit for surface ozone, set for an 8-hour period, was recorded: surface ozone concentration from 08:00 to 16:00 hours was 1.13 MPC (wind of variable directions with a speed of 1 m/s was observed, air temperature ranged from +16.2°C to +25.1°C, relative humidity – from 67% to 96%), from 16:00 hours until 24:00. – 1.57 MPC (winds of variable directions with a speed of 1 m/s were observed, the air temperature ranged from +19.1°C to +25.1°C, relative humidity – from 67% to 91%), the average daily concentration of surface ozone was. 1.46 MPC (wind of variable directions with a speed of 1 m/s was observed, weather conditions: clear, cloudy, air temperature ranged from +16.2°C to +25.1°C, relative humidity – from 67% to 96%), on September 5, 2025, the maximum permissible concentration for surface ozone was exceeded, set for a 1-hour period: ground-level ozone concentration from 00:00 a.m. to 01:00 a.m. it was 1.03 MPC (an easterly wind with a speed of 1 m/s was observed, the air temperature was +19.1°C, relative humidity was 91%), the average daily concentration of ground–level ozone was 1.10 MPC, the average daily concentration of PM10 was 1.15 MPC (winds of variable directions with a speed of 1-2 m/s were observed, the air temperature ranged from +15.9°C to +29.5 °C, relative humidity – from 45% to 95%), оn September 6, 2025, the average daily concentration of ground–level ozone was 1.03 MPC (wind of variable directions with a speed of 1-2 m/s was observed, rain, air temperature ranged from +18.3°C to +29.6°C, relative humidity – from 41% to 84%), on September 7, 2025 - 1.28 MPC (winds of variable directions with a speed of 1-3 m/s, haze, drizzle, air temperature ranged from +18.4°C to +26.8°C, relative humidity – from 48% to 95%) were observed, on September 7, 2025, exceeding the maximum permissible concentration limit for ground-level ozone was recorded. An 8-hour period: the concentration of ground-level ozone from 08:00 to 16:00 hours was 1.03 MPC (wind of variable directions with a speed of 1-2 m/s, haze, drizzle, air temperature ranged from +18.5°C to +26.0°C, relative humidity – from 48% to 95%).

In the air of Smorgon in the area of Koreni St., 48A On September 4, 2025, the average daily concentration of PM10 was 3.14 MPC, in the area of V.Sinkevich St., 119 – 1.88 MPC (calm was observed, winds of variable directions with an average speed of 1 m/s, air temperature ranged from +16.6°C to +25.4°C, relative humidity – from 65% to 94%). In the area of V.Sinkevich, 119 on September 5, 2025, the average daily concentration of PM10 was 2.42 MPC (calm was observed, north-westerly wind with a speed of 1-2 m/s, the air temperature ranged from +14.0°C to +26.1°C, relative humidity – from 51% to 83%). In the area of 48A Koreni Street On September 7, 2025, the average daily concentration of PM10 was 1.25 MPC (calm was observed, north-westerly wind speed 1-2 m/s, air temperature ranged from +14.2°C to +25.6°C, relative humidity – from 52% to 94%).
In the air of Zhlobin in the area of Prigorodnaya St., 12 On September 4, 2025, the average daily concentration of solid particles, fractions up to 2.5 microns in size, was 1.12 MPC (winds of variable directions with a speed of 1 m/s, gusts up to 4 m/s, air temperature ranged from +10.3°C to +27.8°C, relative humidity – from 43% to 98%), September 6, 2025 – 1.29 MPC (calm was observed, gusts up to 6 m/s, air temperature ranged from +15.7°C to +25.6°C, relative humidity – from 51% to 83%).
In the air of Osipovichi in the area of the intersection of Shamyakina St. and Ryabinovaya St. on September 4, 2025, the average daily concentration of PM10 was 1.67 MPC (calm was observed, winds of variable directions with a speed of 1 m/s, air temperature ranged from + 12.0°C to +27.9°C, relative humidity – from 45% to 94%), on September 5, 2025, the average daily concentration of PM10 It was 1.12 MPC (calm was observed, winds of variable directions with a speed of 1 m/s, air temperature ranged from + 12.0°C to +27.9°C, relative humidity – from 45% to 94%).

On September 4, 2025, the average daily concentration of PM10 in the air of Bereza, Yubileynaya str., was 1.27 MPC (calm was observed, winds of variable directions with an average speed of 1 m/s, air temperature ranged from +16.5 °C to +22.4°C, relative humidity – from 75% to 100%), in the area of Shevchenko St., 70 – 1.12 MPC (calm was observed, winds of variable directions with an average speed of 1 m/s, air temperature ranged from +16.4°C to +23.1°C, relative humidity – from 72% to 100%).

In the air of Dobrush, in the area of Engels Street, d 1, on September 4, 2025, at 20:20, the concentration of formaldehyde was 1.15 MPC (calm was observed, the air temperature was +18.3°C, relative humidity – 73%), at 20:40 hours – 1.02 MPC (calm was observed, the air temperature was +15.1°C, relative humidity – 72%), at 22:00 hours – 1.06 MPC (calm was observed, the air temperature was +15.8°C, relative humidity – 88%), the average daily concentration of formaldehyde was 1.09 MPC, September 5, 2025 from 19:40 h. to 23:40 h. fixed 13 cases of exceeding the maximum single maximum permissible concentration for formaldehyde by 1.04-2.53 times (calm was observed, the air temperature ranged from +17.2°C to +20.3°C, relative humidity – from 66% to 88%), the average daily concentration of formaldehyde was 1.62 MPC, September 6, 2025, from 02:20 a.m. to 22:00 p.m. fixed 11 cases of exceeding the maximum single maximum permissible concentration for formaldehyde by 1.01-1.34 times (calm was observed, wind north-northwest, speed 1 m/ s, air temperature ranged from +15.6°C to +21.6°C, relative humidity from 61% to 96%), the average daily concentration of formaldehyde was 1.79 MPC, On September 7, 2025, at 00:00, the concentration of formaldehyde was 1.10 MPC (calm was observed, the air temperature was +13.4°C, relative humidity from 96%), the average daily concentration of formaldehyde was 1.36 MPC, on September 9, 2025, from 19:40 to 21:00, 5 cases of exceeding the maximum one-time concentration were recorded. The maximum permissible concentration for formaldehyde was 1.09 – 1.24 times (a southerly wind with a speed of 1-2 m/s was observed, the air temperature ranged from +19.7°C to +21.5°C, relative humidity from 65% to 76%), On September 10, 2025, the average daily concentration of formaldehyde was 1.07 MPC.

In the air of Glubokoe in the lake area. Begletz, KTPB-513, line 6, support 3 On September 5, 2025, the average daily concentration of PM10 was 2.88 MPC (calm was observed, north-northwesterly, north, north-easterly east-northeast wind speed 1-4 m/s, air temperature ranged from +14.6°C to +25.0°C, relative humidity – from 57% to 100%).

On September 8, 2025, the average daily concentration of PM10 was 1.11 MPC (calm, westerly, west-northwesterly, west-southwesterly wind with an average speed of 1 m/s was observed in the air of Molodechno in the area of Veliky Gostinets Street (stop near JSC Molodechno Metalwork Plant, support near a pedestrian crossing). The air temperature ranged from +11.5°C to +21.9°C, relative humidity – from 57% to 99%).

In the air of Mogilev in the area of Schmidt Ave., 19 On September 8, 2025, the average daily concentration of ground–level ozone was 1.04 MPC (calm was observed, an easterly wind with a speed of 1 m/s, the air temperature ranged from +15.9°C to +22.6°C, relative humidity - from 49% to 85%). In the area of house No. 10 on Pervomaiskaya Street on September 8, 2025, the average daily concentration of nitrogen dioxide exceeded the MPC standard by 1.10 times (calm was observed, north wind with a speed of 1 m/s, the air temperature ranged from +15.9°C to +22.6°C, relative humidity – from 49% to 85%), September 9, 2025 – 1.2 times (there was an easterly, southeasterly wind with a speed of 1-3 m/s, the air temperature ranged from +14.5°C to +22.7°C, relative humidity – from 52% to 85%).

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