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Distribution of relevant differences in concentrations of PM2.5 and weather as measured in case-crossover analysis of heart failure, January 20, 2001 - December 16, 2005
| Percentile | |||||||
|---|---|---|---|---|---|---|---|
| Mean | 5th | 25th | 50th | 75th | 95th | Max | |
| PM2.5 (μg/m3) | 5.8 | 0.4 | 2.1 | 4.5 | 8.0 | 16.0 | 42.2 |
| Avg heat index (°C) | 6.9 | 0.6 | 2.4 | 5.8 | 10.0 | 17.1 | 38.9 |
| Avg air pressure (hPa) | 6.6 | 0.4 | 2.5 | 5.4 | 9.3 | 17.5 | 34.9 |
μg/m3 = micrograms per cubic meter
°C = degrees Celsius
hPa = hectaPascal
