Nantes 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 |
 |
2008 |
 |
0.95 |
 |
0.68 |
 |
0.57 |
 |
- |
 |
- |
 |
0.24 |
 |
0.73 |
 |
2009 |
 |
0.9 |
 |
0.7 |
 |
0.46 |
 |
- |
 |
- |
 |
0.24 |
 |
0.69 |
 |
2010 |
 |
0.98 |
 |
0.65 |
 |
0.43 |
 |
- |
 |
- |
 |
0.2 |
 |
0.68 |
 |
2011 |
 |
1.03 |
 |
0.6 |
 |
0.23 |
 |
- |
 |
- |
 |
0.18 |
 |
0.62 |
 |
2012 |
 |
0.88 |
 |
0.65 |
 |
0.51 |
 |
- |
 |
- |
 |
0.18 |
 |
0.68 |
 |
2013 |
 |
0.9 |
 |
0.65 |
 |
0.54 |
 |
- |
 |
- |
 |
0 |
 |
0.7 |
 |
2014 |
 |
0.98 |
 |
0.58 |
 |
0.29 |
 |
- |
 |
- |
 |
0 |
 |
0.61 |
 |
2015 |
 |
0.93 |
 |
0.61 |
 |
0.23 |
 |
- |
 |
- |
 |
0.14 |
 |
0.59 |
 |
2016 |
 |
0.95 |
 |
0.5 |
 |
0.14 |
 |
- |
 |
- |
 |
0.2 |
 |
0.53 |
 |
2017 |
 |
0.98 |
 |
0.55 |
 |
0.2 |
 |
- |
 |
- |
 |
0.2 |
 |
0.58 |
 |

|
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 |
 |
2008 |
 |
0.5 |
 |
0.48 |
 |
0.23 |
 |
0.43 |
 |
0 |
 |
0.16 |
 |
0.41 |
 |
2009 |
 |
0.45 |
 |
0.55 |
 |
0.36 |
 |
0.28 |
 |
0 |
 |
0.18 |
 |
0.41 |
 |
2010 |
 |
0.5 |
 |
0.55 |
 |
0.17 |
 |
0.92 |
 |
0 |
 |
0.18 |
 |
0.54 |
 |
2011 |
 |
0.43 |
 |
0.53 |
 |
0.26 |
 |
1 |
 |
- |
 |
0.2 |
 |
0.55 |
 |
2012 |
 |
0.45 |
 |
0.53 |
 |
0.31 |
 |
0.4 |
 |
- |
 |
0.22 |
 |
0.42 |
 |
2013 |
 |
0.43 |
 |
0.48 |
 |
0.31 |
 |
1.04 |
 |
- |
 |
- |
 |
0.56 |
 |
2014 |
 |
0.43 |
 |
0.43 |
 |
0.17 |
 |
0.32 |
 |
- |
 |
- |
 |
0.34 |
 |
2015 |
 |
0.38 |
 |
0.45 |
 |
0.11 |
 |
0.4 |
 |
- |
 |
- |
 |
0.34 |
 |
2016 |
 |
0.4 |
 |
0.43 |
 |
0.06 |
 |
0.24 |
 |
- |
 |
- |
 |
0.28 |
 |
2017 |
 |
0.4 |
 |
0.43 |
 |
0.11 |
 |
0.28 |
 |
0.05 |
 |
- |
 |
0.3 |
 |
|