Table 2 Means, standard deviations (SD) and quartiles of daily pollutant concentrations and meteorological variables for the whole area of Lambeth, 2009–13 (temporal variability) and for daily pollutant concentrations, per LSOA in Lambeth (177 LSOAs), for 2009–13 (spatial variability)
| Â | Temporal variability | Spatial variability | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mean (SD) | 1st Quartile | 2nd Quartile | 3rd Quartile | IQRa | Mean (SD) | 1st Quartile | 2nd Quartile | 3rd Quartile | IQRa | |
24 h NO2(μg/m3) | 50.7 (15.4) | 39.1 | 49.7 | 61.4 | 22.3 | 48.4 (16.3) | 36.6 | 45.1 | 57.6 | 21.0 |
24 h PM10(μg/m3) | 21.2 (8.8) | 15.2 | 18.6 | 24.3 | 9.1 | 20.8 (2.6) | 19.2 | 20.3 | 21.1 | 1.9 |
24 h PM2.5(μg/m3) | 15.6 (8.2) | 10.3 | 12.8 | 17.9 | 7.6 | 15.4 (1.2) | 14.5 | 15.0 | 16.0 | 1.5 |
8 h O3 (μg/m3) | 49.9 (18.5) | 37.6 | 50.2 | 61.9 | 24.3 | 50.7 (4.7) | 48.8 | 52.0 | 54.3 | 5.5 |
24 h temperature (°C) | 11.0 (5.7) | 7.0 | 11.3 | 15.3 |  |  |  |  |  |  |
24 h relative humidity (%) | 77.2 (10.1) | 70.1 | 77.8 | 85.1 |  |  |  |  |  |  |