Jacksonville Air Quality in 2025
In 2025, Jacksonville's air quality (Jacksonville, FL area) had a median daily AQI of 52 (Moderate) across 365 monitored days. 6 days (1.6%) reached Unhealthy for Sensitive Groups or worse, 158 were Good, and the year's peak AQI was 155 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 302 of those days. The cleanest month of 2025 was October (median AQI 43, 0 days above 100) and the worst was May (median 52, 3 days above 100, peak 136).
- Good: 43.3%
- Moderate: 55.1%
- Unhealthy for Sensitive Groups: 1.4%
- Unhealthy or worse: 0.3%
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How was Jacksonville's air quality in 2025?
Moderate on a typical day: median AQI 52, with 6 days above AQI 100 out of 365 monitored — the 7th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2025: 155 (Unhealthy).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 302 days.
- ✓Cleanest month: October; worst: May.
Frequently asked questions
What was the average AQI in Jacksonville in 2025?▾
EPA's Air Quality System puts Jacksonville's (Jacksonville, FL) median daily AQI for 2025 at 52, which is Moderate. 6 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 155.
Which month had the worst air quality in Jacksonville in 2025?▾
The cleanest month of 2025 was October (median AQI 43, 0 days above 100) and the worst was May (median 52, 3 days above 100, peak 136).
Was 2025 a good or bad year for Jacksonville's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2025's median of 52 is in line with the area's typical annual median of 52.
Jacksonville month by month in 2025
Jacksonville air quality month by month, 2025 (Jacksonville, FL, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 52 | 1 | 117 | PM2.5 |
| February | 28 | 54 | 0 | 82 | PM2.5 |
| March | 31 | 53 | 0 | 81 | PM2.5 |
| April | 30 | 53 | 0 | 93 | PM2.5 |
| Mayworst | 31 | 52 | 3 | 136 | PM2.5 |
| June | 30 | 52 | 0 | 77 | PM2.5 |
| July | 31 | 53 | 0 | 74 | PM2.5 |
| August | 31 | 46 | 0 | 67 | PM2.5 |
| September | 30 | 46 | 0 | 58 | PM2.5 |
| Octobercleanest | 31 | 43 | 0 | 68 | PM2.5 |
| November | 30 | 55 | 0 | 72 | PM2.5 |
| December | 31 | 51 | 2 | 155 | PM2.5 |
How 2025 compares
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 7th cleanest by days above AQI 100 — the worst year on record here.
2025's median of 52 is in line with the area's typical annual median of 52.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Jacksonville
The latest EPA AirNow observation puts Jacksonville's AQI at 34 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Jacksonville air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Jacksonville, FL), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.