Processed on 2024-03-04 12:57:51 PST.


Disclaimer: Data presented here come from a variety of sources and do not represent official EPA measurements. Please visit AirNow for official measurements.


Cumulative exposure to smoke is an important public health metric. This report summarizes the cumulative number of days air quality monitors in Florida spent in each AQI category during the the month of April.

The tables below include only permanent monitors measuring PM2.5 and show cumulative exposure under existing NAAQS (National Ambient Air Quality Standards) and under the 2024 revised standards for PM2.5.

In the tables and plots below, ‘Old’ designates cumulative days calculated using the 2023 PM2.5 NAAQS while ‘New’ is calculated using the 2024 revised PM2.5 NAAQS. The impact of the NAAQS revision is quite clear.

April in Florida

April 2014 – 19 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 453 45 0 0 0 0 29
New 283 215 0 0 0 0 29

April 2015 – 20 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 467 75 0 0 0 0 47
New 360 182 0 0 0 0 47

April 2016 – 54 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 566 52 1 0 0 0 125
New 356 262 1 0 0 0 125

April 2017 – 29 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 557 96 0 0 0 0 60
New 380 273 0 0 0 0 60

April 2018 – 53 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 632 78 1 0 0 0 64
New 422 288 1 0 0 0 64

April 2019 – 28 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 652 21 1 0 0 0 70
New 520 153 1 0 0 0 70

April 2020 – 69 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 733 217 0 0 0 0 104
New 482 468 0 0 0 0 104

April 2021 – 37 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 814 147 0 0 0 0 62
New 505 456 0 0 0 0 62

April 2022 – 40 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 1082 51 0 0 0 0 76
New 787 346 0 0 0 0 76

April 2023 – 43 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 1125 72 0 0 0 0 74
New 858 339 0 0 0 0 74