Table 1 Annual average air pollution concentration of Gansu in P-I and P-II.
City | PM2.5 | PM10 | SO2 | NO2 | O3 | CO | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(ÎĽg/m3) | (ÎĽg/m3) | (ÎĽg/m3) | (ÎĽg/m3) | (ÎĽg/m3) | (mg/m3) | ||||||||||
I | II | I | II | I | II | I | II | I | II | I | II | ||||
BY | 37.8 | 30.4 | 101.4 | 87.4 | 44.0 | 30.7 | 26.7 | 22.8 | 87.5 | 92.5 | 0.9 | 0.7 | |||
DX | 36.8 | 26.8 | 81.6 | 66.5 | 20.2 | 10.1 | 27.1 | 23.2 | 95.0 | 95.0 | 0.7 | 0.5 | |||
GN | 32.8 | 18.4 | 67.2 | 40.7 | 16.4 | 10.0 | 21.3 | 18.6 | 101.1 | 94.8 | 0.9 | 0.5 | |||
JC | 29.1 | 24.3 | 97.1 | 90.3 | 28.0 | 17.1 | 16.4 | 15.6 | 102.5 | 97.9 | 0.8 | 0.6 | |||
JQ | 37.2 | 31.2 | 119.2 | 105.3 | 13.5 | 7.5 | 27.3 | 21.9 | 100.5 | 100.1 | 0.6 | 0.5 | |||
JYG | 28.5 | 29.6 | 95.5 | 93.0 | 16.2 | 14.5 | 25.8 | 20.2 | 106.2 | 98.6 | 0.6 | 0.5 | |||
LN | 28.3 | 18.1 | 54.8 | 43.3 | 18.7 | 13.2 | 23.6 | 19.2 | 83.0 | 84.5 | 0.8 | 0.5 | |||
LX | 42.6 | 29.5 | 84.8 | 70.2 | 24.5 | 8.6 | 32.2 | 24.7 | 96.4 | 98.3 | 1.2 | 0.7 | |||
LZ | 48.5 | 35.9 | 118.9 | 91.8 | 20.1 | 15.2 | 54.0 | 41.0 | 96.1 | 99.3 | 1.2 | 0.9 | |||
PL | 36.8 | 23.4 | 82.2 | 64.0 | 14.9 | 7.2 | 38.4 | 32.5 | 92.3 | 93.9 | 0.8 | 0.5 | |||
QY | 35.4 | 28.8 | 76.9 | 64.5 | 24.8 | 9.2 | 20.1 | 15.0 | 95.4 | 97.6 | 0.9 | 0.7 | |||
TS | 39.0 | 27.6 | 79.1 | 58.1 | 22.2 | 10.1 | 34.6 | 26.2 | 89.9 | 88.0 | 0.8 | 0.6 | |||
WW | 40.2 | 39.1 | 104.0 | 109.8 | 16.9 | 7.2 | 27.0 | 23.0 | 98.1 | 100.6 | 1.1 | 0.5 | |||
ZY | 35.4 | 36.1 | 86.6 | 86.1 | 21.0 | 9.7 | 20.8 | 22.2 | 105.9 | 99.3 | 0.6 | 0.4 | |||
Average | 36.3 | 28.5 | 89.2 | 76.5 | 21.5 | 12.2 | 28.2 | 23.3 | 96.4 | 95.7 | 0.9 | 0.6 | |||
CAAQS Grade I/II | 35/75 | 50/150 | 50/150 | 40/80 | 100/160 | 2/4 | |||||||||
