Baton Rouge Air Quality in July
Across 2019–2025, Baton Rouge's July air quality had a median AQI of 54 (Moderate) over 217 monitored days in the Baton Rouge, LA area. 1.9% of July days (4 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 85.3% of days. The cleanest July on record here was 2022 (median AQI 46, 0 days above 100) and the worst was 2023 (median 63, 2 days above 100, peak AQI 147).
- Good: 35.9%
- Moderate: 62.2%
- Unhealthy for Sensitive Groups: 1.4%
- Unhealthy or worse: 0.5%
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How is the air in Baton Rouge in July?
Moderate on a typical day: median AQI 54 across 2019–2025, with 1.9% of July days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓35.9% of July days were Good (AQI 0–50), 62.2% Moderate (51–100).
- ✓4 days of 217 reached AQI 101+; the July peak was 159.
- ✓Best July: 2022; worst July: 2023.
Frequently asked questions
What is the air quality like in Baton Rouge in July?▾
Across 2019–2025, the median daily AQI in Baton Rouge in July was 54 (Moderate). 35.9% of days were Good, 62.2% Moderate, and 1.9% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is July a good time for outdoor exercise in Baton Rouge?▾
A typical July day in Baton Rouge is Moderate (median AQI 54): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 53 of July days (1.9%) 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 July air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 85.3% of July days in Baton Rouge. The highest July AQI recorded in 2019–2025 was 159 (Unhealthy), in 2023.
Baton Rouge July air quality, year by year
Baton Rouge July 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 | 55 | 0 | 92 | PM2.5 |
| 2020 | 31 | 54 | 0 | 81 | PM2.5 |
| 2021 | 31 | 55 | 1 | 119 | PM2.5 |
| 2022cleanest | 31 | 46 | 0 | 66 | PM2.5 |
| 2023worst | 31 | 63 | 2 | 147 | PM2.5 |
| 2024 | 31 | 52 | 1 | 159 | PM2.5 |
| 2025 | 31 | 55 | 0 | 74 | PM2.5 |
What July air means in Baton Rouge
A typical July day in Baton Rouge is Moderate (median AQI 54): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 53 of July days (1.9%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
July's median AQI of 54 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 July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Baton Rouge runs above the national July norm; 1.9% of its July days topped AQI 100 versus 3.6% nationally (below average).
July is part of Baton Rouge's summer season (June, July, August); the summer 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.