大气环境评价指标 | I | II | III | IV | V |
PM2.5 | 15 | 35 | 75 | 120 | 165 |
PM10 | 40 | 70 | 140 | 210 | 320 |
SO2 | 20 | 60 | 100 | 140 | 180 |
NO2 | 20 | 40 | 60 | 80 | 100 |
CO | 2 | 4 | 6 | 8 | 10 |
O3 | 100 | 160 | 220 | 280 | 340 |