Baton Rouge Air Quality in 2022

In 2022, Baton Rouge's air quality (Baton Rouge, LA area) had a median daily AQI of 53 (Moderate) across 365 monitored days. 11 days (3.0%) reached Unhealthy for Sensitive Groups or worse, 130 were Good, and the year's peak AQI was 156 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 250 of those days. The cleanest month of 2022 was August (median AQI 42, 0 days above 100) and the worst was June (median 64, 4 days above 100, peak 141).

53
Median AQI
Moderate
11
Days above AQI 100
3.0% of 365 days
77
90th percentile AQI
worst 1 day in 10
156
Peak AQI
Unhealthy
PM2.5
Main pollutant
250 of 365 days
130
Good days
35.6% of days
  • Good: 35.6%
  • Moderate: 61.4%
  • Unhealthy for Sensitive Groups: 2.7%
  • Unhealthy or worse: 0.3%

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QUICK ANSWER

How was Baton Rouge's air quality in 2022?

Moderate on a typical day: median AQI 53, with 11 days above AQI 100 out of 365 monitored — the 5th cleanest of 7 years on record for the area.

  • Peak AQI in 2022: 156 (Unhealthy).
  • Fine particulate matter (PM2.5) was the main pollutant on 250 days.
  • Cleanest month: August; worst: June.

Frequently asked questions

What was the average AQI in Baton Rouge in 2022?

EPA's Air Quality System puts Baton Rouge's (Baton Rouge, LA) median daily AQI for 2022 at 53, which is Moderate. 11 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 156.

Which month had the worst air quality in Baton Rouge in 2022?

The cleanest month of 2022 was August (median AQI 42, 0 days above 100) and the worst was June (median 64, 4 days above 100, peak 141).

Was 2022 a good or bad year for Baton Rouge's air?

Among the 7 years EPA has published for the area (2019–2025), 2022 ranks 5th cleanest by days above AQI 100. 2022's median of 53 is in line with the area's typical annual median of 53.

Baton Rouge month by month in 2022

Baton Rouge air quality month by month, 2022 (Baton Rouge, LA, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3152069PM2.5
February2850093PM2.5
March3158097O3
April30581115O3
May31584112PM2.5
Juneworst30644141PM2.5
July3146066PM2.5
Augustcleanest3142071PM2.5
September30561129PM2.5
October31581156PM2.5
November3054075PM2.5
December3152085PM2.5

How 2022 compares

Among the 7 years EPA has published for the area (2019–2025), 2022 ranks 5th cleanest by days above AQI 100.

2022's median of 53 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 57 (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.