空气质量分指数IAQI | 污染度浓度限值 | |||||
SO2 | NO2 | PM10 | PM2.5 | CO | O3 | |
24 h | 24 h | 24 h | 24 h | 24 h | 8 h | |
0 | 0 | 0 | 0 | 0 | 0 | 0 |
50 | 50 | 40 | 50 | 35 | 2 | 100 |
100 | 150 | 80 | 150 | 75 | 4 | 160 |
150 | 475 | 180 | 250 | 115 | 14 | 215 |
200 | 800 | 280 | 350 | 150 | 24 | 365 |
300 | 1600 | 565 | 420 | 250 | 36 | 800 |
400 | 2100 | 750 | 500 | 350 | 48 | 1000 |
500 | 2620 | 940 | 600 | 500 | 60 | 1200 |