Air pollution, weather, and ophthalmological data, Paris, January 1999 to December 1999 (n = 361 days, excluding the 4 day solar eclipse period 9–12 August)
| Min | Max | Mean | |
|---|---|---|---|
| *In proportion of all randomised diagnoses. | |||
| †30 883 patients were examined during the study period. | |||
| ‡3042 diagnoses were randomised. | |||
| Ophthalmological data: | |||
| All diagnoses† | 47 | 125 | 83.4 |
| Randomised diagnoses ‡ | 5 | 13 | 8.3 |
| Conjunctivitis and other related ocular surface problems, No (%*) | 0 (0) | 9 (100) | 3.4 (42) |
| Medical emergencies, No (%*) | 0 (0) | 7 (88) | 2.8 (33) |
| Traumatic and surgical emergencies, No (%*) | 0 (0) | 6 (67) | 2.1 (25) |
| Pollution data: | |||
| NO (μg/m3) | 3 | 238 | 22.4 |
| NO2 (μg/m3) | 19 | 115 | 53.7 |
| O3 (μg/m3) | 1 | 97 | 35.7 |
| SO2 (μg/m3) | 2 | 45 | 11.2 |
| PM10 (μg/m3) | 58 | 711 | 218.3 |
| Weather data: | |||
| Temperature (°C min) | −3.1 | 20.7 | 9.31 |
| Temperature (°C max) | 2 | 33 | 16.9 |
| Atmospheric pressure (hPa) | 979.2 | 1030.5 | 1007 |
| Humidity (% min) | 18 | 92 | 54.7 |
| Humidity (% max) | 64 | 98 | 89.9 |
| Average wind speed (m/s) | 1 | 7.3 | 3.1 |
| Instant wind strength (m/s) | 5 | 47 | 11.4 |