Table II.
Average exposure level of heat, PM2.5 and O3 among asthma, bronchitis and COPD exacerbations in OneFlorida, 2012–2017.
| Mean ± SD | ||||||
|---|---|---|---|---|---|---|
| Asthma exacerbation | Bronchitis exacerbation | COPD exacerbation | ||||
| Hazard period | Control period | Hazard period | Control period | Hazard period | Control period | |
| June to September | ||||||
| Heat index (°F) | 87.24±4.75 | 86.50±5.55 | 86.78±4.79 | 86.09±5.60 | 87.09±4.87 | 86.40±5.63 |
| PM2.5 (μg/m3) | 7.06±2.06 | 7.21±2.11 | 7.07±2.09 | 7.20±2.13 | 7.16±2.06 | 7.28±2.09 |
| O3 (ppb) | 30.99±5.85 | 32.10±7.18 | 31.31±5.87 | 32.44±7.30 | 31.15±5.88 | 32.28±7.31 |
| April, May and October | ||||||
| Heat index (°F) | 76.52±5.51 | 76.37±7.32 | 76.13±5.51 | 76.00±7.37 | 76.11±5.63 | 75.96±7.48 |
| PM2.5 (μg/m3) | 7.38±1.90 | 7.40±2.05 | 7.38±1.90 | 7.39±2.03 | 7.46±1.92 | 7.48±2.04 |
| O3 (ppb) | 41.69±8.21 | 40.02±8.31 | 41.91±8.14 | 40.23±8.24 | 41.79±8.22 | 40.24±8.24 |
| November to March | ||||||
| Heat index (°F) | 65.71±6.99 | 66.70±7.45 | 65.16±7.11 | 65.95±7.55 | 65.09±7.17 | 65.86±7.64 |
| PM2.5 (μg/m3) | 7.76±2.13 | 7.58±2.02 | 7.79±2.09 | 7.65±2.02 | 7.83±2.07 | 7.71±2.01 |
| O3 (ppb) | 37.61±6.21 | 37.47±6.49 | 37.47±6.28 | 37.55±6.47 | 37.45±6.30 | 37.54±6.50 |
Abbreviations: COPD, chronic obstructive pulmonary disease; SD, standard deviation.