Baton Rouge Air Quality in October
Across 2019–2025, Baton Rouge's October air quality had a median AQI of 55 (Moderate) over 217 monitored days in the Baton Rouge, LA area. 3.3% of October days (7 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 71.4% of days. The cleanest October on record here was 2020 (median AQI 52, 0 days above 100) and the worst was 2024 (median 63, 3 days above 100, peak AQI 112).
- Good: 30.0%
- Moderate: 66.8%
- Unhealthy for Sensitive Groups: 2.8%
- Unhealthy or worse: 0.5%
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How is the air in Baton Rouge in October?
Moderate on a typical day: median AQI 55 across 2019–2025, with 3.3% of October days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓30.0% of October days were Good (AQI 0–50), 66.8% Moderate (51–100).
- ✓7 days of 217 reached AQI 101+; the October peak was 156.
- ✓Best October: 2020; worst October: 2024.
Frequently asked questions
What is the air quality like in Baton Rouge in October?▾
Across 2019–2025, the median daily AQI in Baton Rouge in October was 55 (Moderate). 30.0% of days were Good, 66.8% Moderate, and 3.3% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is October a good time for outdoor exercise in Baton Rouge?▾
A typical October day in Baton Rouge is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 30 of October days (3.3%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Baton Rouge's October air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 71.4% of October days in Baton Rouge. The highest October AQI recorded in 2019–2025 was 156 (Unhealthy), in 2024.
Baton Rouge October air quality, year by year
Baton Rouge October air quality by year (Baton Rouge, LA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 48 | 1 | 119 | PM2.5 |
| 2020cleanest | 31 | 52 | 0 | 100 | PM2.5 |
| 2021 | 31 | 56 | 1 | 150 | PM2.5 |
| 2022 | 31 | 58 | 1 | 156 | PM2.5 |
| 2023 | 31 | 54 | 1 | 108 | PM2.5 |
| 2024worst | 31 | 63 | 3 | 112 | PM2.5 |
| 2025 | 31 | 53 | 0 | 90 | PM2.5 |
What October air means in Baton Rouge
A typical October day in Baton Rouge is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 30 of October days (3.3%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
October's median AQI of 55 is in line with Baton Rouge's whole-year median of 53, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median October AQI across every EPA metro area (102,872 metro-days, 2019–2025) is 38, so Baton Rouge runs above the national October norm; 3.3% of its October days topped AQI 100 versus 1.3% nationally (above average).
October is part of Baton Rouge's fall season (September, October, November); the fall page pools all three months.
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 month 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.