Valenciennes Yearly Air Quality Index
 |
Year |
 |
NO2 Year average |
 |
PM10 year average |
 |
PM10 exceedences daily average |
 |
O3, # of days with 8-hour average >=120µg/m3 |
 |
SO2 year average |
 |
Benzene year average |
 |
City Index |
 |
2010 |
 |
0.93 |
 |
0.63 |
 |
0.46 |
 |
- |
 |
- |
 |
- |
 |
0.67 |
 |
2011 |
 |
0.88 |
 |
0.63 |
 |
0.83 |
 |
- |
 |
- |
 |
- |
 |
0.78 |
 |
2012 |
 |
0.85 |
 |
0.7 |
 |
1.29 |
 |
- |
 |
- |
 |
- |
 |
0.95 |
 |

|
Year |
 |
NO2 Year average |
 |
PM10 year average |
 |
PM10 exceedences daily average |
 |
O3, # of days with 8-hour average >=120µg/m3 |
 |
SO2 year average |
 |
Benzene year average |
 |
City Index |
 |
2010 |
 |
0.68 |
 |
0.63 |
 |
0.6 |
 |
- |
 |
- |
 |
- |
 |
0.63 |
 |
2011 |
 |
0.68 |
 |
0.65 |
 |
0.97 |
 |
- |
 |
- |
 |
- |
 |
0.77 |
 |
2012 |
 |
0.58 |
 |
- |
 |
1.03 |
 |
- |
 |
- |
 |
- |
 |
0.8 |
 |
|