Tallahassee Air Quality in 2020

In 2020, Tallahassee's air quality (Tallahassee, FL area) had a median daily AQI of 51 (Moderate) across 366 monitored days. 3 days (0.8%) reached Unhealthy for Sensitive Groups or worse, 173 were Good, and the year's peak AQI was 164 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 329 of those days. The cleanest month of 2020 was November (median AQI 40, 0 days above 100) and the worst was June (median 54, 3 days above 100, peak 164).

51
Median AQI
Moderate
3
Days above AQI 100
0.8% of 366 days
65
90th percentile AQI
worst 1 day in 10
164
Peak AQI
Unhealthy
PM2.5
Main pollutant
329 of 366 days
173
Good days
47.3% of days
  • Good: 47.3%
  • Moderate: 51.9%
  • Unhealthy for Sensitive Groups: 0.3%
  • Unhealthy or worse: 0.5%

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QUICK ANSWER

How was Tallahassee's air quality in 2020?

Moderate on a typical day: median AQI 51, with 3 days above AQI 100 out of 366 monitored — the 7th cleanest of 7 years on record for the area.

  • Peak AQI in 2020: 164 (Unhealthy).
  • Fine particulate matter (PM2.5) was the main pollutant on 329 days.
  • Cleanest month: November; worst: June.

Frequently asked questions

What was the average AQI in Tallahassee in 2020?

EPA's Air Quality System puts Tallahassee's (Tallahassee, FL) median daily AQI for 2020 at 51, which is Moderate. 3 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 164.

Which month had the worst air quality in Tallahassee in 2020?

The cleanest month of 2020 was November (median AQI 40, 0 days above 100) and the worst was June (median 54, 3 days above 100, peak 164).

Was 2020 a good or bad year for Tallahassee's air?

Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 7th cleanest by days above AQI 100 — the worst year on record here. 2020's median of 51 is in line with the area's typical annual median of 49.

Tallahassee month by month in 2020

Tallahassee air quality month by month, 2020 (Tallahassee, FL, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3152067PM2.5
February2942065PM2.5
March3155066PM2.5
April3056085PM2.5
May3148077PM2.5
Juneworst30543164PM2.5
July3155093PM2.5
August3148069PM2.5
September3042085PM2.5
October3152064PM2.5
Novembercleanest3040058PM2.5
December3151066PM2.5

How 2020 compares

Among the 7 years EPA has published for the area (2019–2025), 2020 ranks 7th cleanest by days above AQI 100 — the worst year on record here.

2020's median of 51 is in line with the area's typical annual median of 49.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Tallahassee

The latest EPA AirNow observation puts Tallahassee's AQI at 15 (PM2.5). The figures above are multi-year annual statistics, not today's reading.

View current Tallahassee air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Tallahassee, 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.