Table 1 Pollution and weather variables between April 1 and September 30, 2003
Chartres | Orléans | Tours | ||
|---|---|---|---|---|
1h-O3 (μg/m3) | Minimum | 1 | 0 | 0 |
Median | 72 | 74.5 | 69 | |
Maximum | 259 | 216 | 204 | |
8h-O3 (μg/m3) | Minimum | 3 | 3.5 | 0 |
Median | 72 | 74 | 68.5 | |
Maximum | 240 | 200 | 194,5 | |
Temperature (°C) | Minimum | -3.5 | -3.8 | -2.5 |
Median | 17.1 | 17 | 17.7 | |
Maximum | 39.4 | 39.5 | 39.5 | |
Relative humidity (%) | Minimum | 16 | 17 | 16 |
Median | 69 | 71 | 69 | |
Maximum | 100 | 100 | 99 | |
Sunshine (minutes of sunshine per hour)* | Minimum | 0 | 0 | 0 |
Median | 29 | 28 | 29.5 | |
Maximum | 60 | 60 | 60 | |
Wind speed (ms-1) | Minimum | 0 | 0 | 0 |
Median | 3 | 3 | 3 | |
Maximum | 9 | 13 | 13 | |
Atmospheric pressure (hectopascal) | Minimum | 999.5 | 1000 | 1000.1 |
Median | 1017.8 | 1018.1 | 1017.8 | |
Maximum | 1032 | 1031.5 | 1031.2 |