Table 2 Distribution of air pollution concentrations and meteorological parameters in 2-day (lag 0–1) and 7-day average (lag 0–6), Stockholm, Sweden, 1990–2010
Parameters | 2-day average | 7-day average | ||||||
|---|---|---|---|---|---|---|---|---|
Mean (SD) | Min | Max | IQR | Mean (SD) | Min | Max | IQR | |
O3 | 62.8 (20) | 4.7 | 143.0 | 27.7 | 62.7 (18) | 11.7 | 121.9 | 27.0 |
PM2.5 | 8.2 (5) | 0.9 | 41.6 | 4.6 | 8.2 (4) | 2.2 | 39.8 | 3.9 |
PM10 | 15.3 (8) | 2.2 | 92.7 | 8.8 | 15.3 (7) | 3.9 | 64.2 | 7.4 |
NO2 | 19.0 (8) | 2.4 | 78.7 | 11.3 | 19.1 (7) | 4.6 | 56.9 | 9.3 |
NOx | 26.9 (18) | 2.5 | 404.4 | 18.3 | 27.1 (15) | 5.1 | 239.4 | 16.3 |
Temp | 7.6 (7) | −15.9 | 26.1 | 12.3 | – | – | – | – |
Rh | 74.7 (12) | 33.7 | 99.3 | 17.7 | – | – | – | – |