Table 1. .
Excess over maximum permissible ozone concentrations in the surface air layer on the territory of Russia in the second half of 2020 (days/%)
| Station | MPCd.a (30 μg/m3) | MPCw.z (100 μg/m3) | MPCm.o (160 μg/m3) | ||
|---|---|---|---|---|---|
| 1MPC | 2MPC | 3MPC | |||
| ОРТЕС-PR | 67/44 | 10/6.5 | 1/0.7 | 12 | 0 |
| ОРТЕС-P | 49/31 | 2/1.3 | 0/0 | 3 | 0 |
| SBEM Karadag | 162/88 | 92/50 | 9/4.8 | 27 | 0 |
| Obninsk | 30/60 | 0/0 | 0/0 | 1 | 0 |
| RUDN | 32/17 | 1/05 | 0/0 | 26 | |
| Moscow urban | 30/16 | 0/0 | 0/0 | 0/0 | 1 |
| Moscow roadside | 8/4 | 0/0 | 0/0 | 0/0 | 0 |
| KHMSS | 178/100 | 168/94 | 35/20 | 49 | 0 |
| Vyatskiye Polyany | 118/65 | 15/8 | 0/0 | 13 | 1 |
| TOR station | 150/82 | 18/10 | 2/1.1 | 15 | 0 |
| Fonovaya | 100/54 | 2/1.1 | 0/0 | 0 | 0 |
| Boyarsky | 54/100 | 20/37 | 0/0 | 27 | 0 |
| Apatity | 133/75 | 0/0 | 0/0 | 0 | 0 |