Baton Rouge Air Quality in 2025
In 2025, Baton Rouge's air quality (Baton Rouge, LA area) had a median daily AQI of 54 (Moderate) across 365 monitored days. 3 days (0.8%) reached Unhealthy for Sensitive Groups or worse, 130 were Good, and the year's peak AQI was 122 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 268 of those days. The cleanest month of 2025 was January (median AQI 51, 0 days above 100) and the worst was September (median 58, 1 day above 100, peak 108).
- Good: 35.6%
- Moderate: 63.6%
- Unhealthy for Sensitive Groups: 0.8%
- Unhealthy or worse: 0.0%
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How was Baton Rouge's air quality in 2025?
Moderate on a typical day: median AQI 54, with 3 days above AQI 100 out of 365 monitored — the 1st cleanest of 7 years on record for the area.
- ✓Peak AQI in 2025: 122 (Unhealthy for Sensitive Groups).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 268 days.
- ✓Cleanest month: January; worst: September.
Frequently asked questions
What was the average AQI in Baton Rouge in 2025?▾
EPA's Air Quality System puts Baton Rouge's (Baton Rouge, LA) median daily AQI for 2025 at 54, which is Moderate. 3 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 122.
Which month had the worst air quality in Baton Rouge in 2025?▾
The cleanest month of 2025 was January (median AQI 51, 0 days above 100) and the worst was September (median 58, 1 day above 100, peak 108).
Was 2025 a good or bad year for Baton Rouge's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 1st cleanest by days above AQI 100 — the best year on record here. 2025's median of 54 is in line with the area's typical annual median of 53.
Baton Rouge month by month in 2025
Baton Rouge air quality month by month, 2025 (Baton Rouge, LA, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 51 | 0 | 62 | PM2.5 |
| February | 28 | 53 | 0 | 69 | PM2.5 |
| March | 31 | 56 | 0 | 93 | PM2.5 |
| April | 30 | 57 | 0 | 93 | PM2.5 |
| May | 31 | 54 | 0 | 84 | PM2.5 |
| June | 30 | 55 | 1 | 115 | PM2.5 |
| July | 31 | 55 | 0 | 74 | PM2.5 |
| August | 31 | 56 | 0 | 71 | PM2.5 |
| Septemberworst | 30 | 58 | 1 | 108 | PM2.5 |
| October | 31 | 53 | 0 | 90 | PM2.5 |
| November | 30 | 53 | 1 | 122 | PM2.5 |
| December | 31 | 51 | 0 | 65 | PM2.5 |
How 2025 compares
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 1st cleanest by days above AQI 100 — the best year on record here.
2025's median of 54 is in line with the area's typical annual median of 53.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Baton Rouge
The latest EPA AirNow observation puts Baton Rouge's AQI at 46 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Baton Rouge air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Baton Rouge, LA), 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.