Summary statistics by season for each diagnostic group (daily numbers of people consulting) and for air pollution and meteorological variables
| Warm season (April–September) | Cool season (October–March) | All year | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | 10th centile | 90th centile | Mean | SD | 10th centile | 90th centile | Mean | SD | 10th centile | 90th centile | |||
| Asthma | ||||||||||||||
| All ages | 33.0 | 21.3 | 2 | 57 | 37.6 | 23.7 | 3 | 66 | 35.3 | 22.6 | 2 | 62 | ||
| Young | 12.1 | 8.5 | 1 | 23 | 15.9 | 10.6 | 2 | 30 | 14.0 | 9.8 | 1 | 27 | ||
| Adults | 17.6 | 11.8 | 1 | 32 | 17.9 | 11.7 | 1 | 32 | 17.7 | 11.8 | 1 | 32 | ||
| Elderly | 3.3 | 2.7 | 0 | 7 | 3.9 | 3.1 | 0 | 8 | 3.6 | 3.0 | 0 | 8 | ||
| Other LRD | ||||||||||||||
| All ages | 121.2 | 75.4 | 9 | 207 | 188.7 | 116.5 | 15 | 323 | 154.9 | 103.7 | 11 | 284 | ||
| Young | 28.5 | 19.0 | 3 | 54 | 50.9 | 33.0 | 6 | 93 | 39.7 | 29.2 | 4 | 78 | ||
| Adults | 58.2 | 37.1 | 3 | 101 | 89.5 | 58.0 | 5 | 161 | 73.8 | 51.1 | 4 | 138 | ||
| Elderly | 34.5 | 22.0 | 3 | 61 | 48.4 | 30.4 | 5 | 84 | 41.1 | 27.4 | 4 | 74 | ||
| NO2, av (ppb) | 32.8 | 10.8 | 20.8 | 46.6 | 34.5 | 10.1 | 24 | 46.1 | 33.6 | 10.5 | 22.3 | 46.3 | ||
| O3, 8 hour (ppb) | 22.7 | 12.2 | 9.8 | 38.3 | 12.1 | 7.6 | 3.6 | 23.4 | 17.5 | 11.5 | 4.4 | 30.1 | ||
| SO2, av (μg/m3) | 20.5 | 6.5 | 13.4 | 28.4 | 22.0 | 9.0 | 12.8 | 33.3 | 21.2 | 7.8 | 13.0 | 31.0 | ||
| BS, av (μg/m3) | 10.1 | 4.5 | 5.2 | 15.9 | 9.6 | 1.8 | 6.0 | 27.8 | 12.7 | 7.9 | 5.5 | 21.6 | ||
| CO, av (ppm) | 0.7 | 0.3 | 0.4 | 1.0 | 1.0 | 0.5 | 0.5 | 1.6 | 0.8 | 0.4 | 0.5 | 1.3 | ||
| PM10, av (μg/m3) | 28.2 | 13.1 | 16.3 | 46.4 | 28.8 | 14.2 | 15.3 | 46.9 | 28.5 | 13.7 | 15.8 | 46.5 | ||
| Temp (°C)1-150 | 15.5 | 3.8 | 10.2 | 20.1 | 8.3 | 3.2 | 3.9 | 12.6 | 11.9 | 5.0 | 5.6 | 18.6 | ||
| Humidity1-151 | 67.2 | 10.6 | 54.5 | 82 | 73.6 | 10.3 | 59.5 | 87 | 70.4 | 10.9 | 56.0 | 85.0 | ||