Metro area air quality · 2025
Tallahassee, FL
Median AQI 50 (Good). 51.0% of monitored days rated Good across this metro's EPA monitoring network.
- 50
- Median AQI
- 51.0%
- Good-air days
- 0
- Unhealthy days
- 13%
- Cleaner than US metros
Tallahassee, FL posted a 2025 median AQI of 50 (Good) with 51.0% Good days
According to the U.S. EPA Air Quality System, the Tallahassee, FL CBSA recorded a median AQI of 50 across 365 monitored days in 2025, with 51.0% rated Good and 0 unhealthy or worse. This is an annual metro comparison, not a live advisory.
Data source EPA Air Quality System (AQS)
- Cleaner than US metros
- The Tallahassee, FL CBSA's 51.0% Good-day share places it cleaner than 13% of US metros in 2025.
- Closest median-AQI peer
- Fort Collins, CO (50.7% Good, median AQI 50) is the closest nationwide median-AQI peer to Tallahassee, FL.
- 2020–2025 Good-day shift
- Tallahassee, FL's Good-day share moved +3.7 points from 2020 to 2025 (median AQI -1).
- Median AQI
- Median AQI: 50
Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →
The verdict
The Tallahassee, FL metro runs good on the EPA scale, among the more polluted US metros, a median AQI of 50 with 51.0% of 365 monitored days in the Good band.
- 50
- median AQI · Good
- 51.0%
- days rated Good
- 13%
- cleaner than US metros
- 140
- worst single reading
No day crossed into the Unhealthy tier across the metro's monitors in 2025.
Annual release change
What changed in the 2025 EPA annual release
- Tallahassee, FL metro's Good-day share fell from 60.0% to 51.1% between the 2024 and 2025 EPA annual releases, a change of -8.9 percentage points.
- Tallahassee, FL metro's median AQI rose from 47 to 50 between the 2024 and 2025 EPA annual releases, a change of +3 points.
Insights: Tallahassee, FL metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 50 over 365 measured days in 2025, which corresponds to a Good band and a Moderate metro-wide health grade. The monitored-day split lands at 186 Good days (51%), 178 Moderate (49%), and 1 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 60 while the highest single-day reading hit 140 (USG). Metro residents averaged roughly 15.3 clean-air days per 30-day window across the reporting year.
Across the 2020–2025 trend window, the share of monitored days rated Good shifted by +3.7 points and the median AQI moved -1 points, which classifies the multi-year trajectory as improving. The metro recorded no Unhealthy-tier days in this annual dataset. Metros with comparable AQI profiles include Fort Collins, CO (50.7% good, AQI 50); Madera, CA (50.4% good, AQI 50); Merced, CA (51.0% good, AQI 50).
Air Quality Summary
Median AQI
50
Good
Good Days
51.0%
186 of 365 days
Max AQI
140
USG
Health Grade
Moderate
90th pct: 60
AQI Day Breakdown (2025)
Distribution of 365 monitored days across EPA AQI categories.
Good
186
51%
Moderate
178
49%
USG
1
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Tallahassee, FL metro area's air quality is rated Moderate based on 51.0% good air days. No unhealthy air days were recorded in 2025.
Air quality is generally acceptable. Unusually sensitive people should monitor real-time conditions at AirNow.gov during high-pollution events.
How does the Tallahassee, FL metro compare?
How Tallahassee, FL compares
5-Year Air Quality Trend
Air quality is improving in the Tallahassee, FL metro. Best year: 2024 (216 good days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 173 | 190 | 2 | 51 | 164 |
| 2021 | 186 | 179 | 0 | 49 | 81 |
| 2022 | 200 | 165 | 0 | 48 | 97 |
| 2023 | 191 | 173 | 0 | 49 | 124 |
| 2024 | 216 | 144 | 0 | 47 | 139 |
| 2025 | 186 | 178 | 0 | 50 | 140 |
Metros with a similar median AQI
CBSA peers nationwide whose annual median AQI sits near Tallahassee, FL (50).
Fort Collins, CO
Median AQI 50 · 50.7% Good-day share
Madera, CA
Median AQI 50 · 50.4% Good-day share
Merced, CA
Median AQI 50 · 51.0% Good-day share
Nashville-Davidson--Murfreesboro--Franklin, TN
Median AQI 50 · 51.2% Good-day share
Oxnard-Thousand Oaks-Ventura, CA
Median AQI 50 · 52.0% Good-day share
Reno, NV
Median AQI 50 · 50.1% Good-day share
Metros with similar unhealthy-day exposure
A second relationship type: metros whose unhealthy-or-worse day count is closest to Tallahassee, FL's 0 (independent of median AQI).
Aberdeen, SD
0 unhealthy-or-worse days · median AQI 27
Aberdeen, WA
0 unhealthy-or-worse days · median AQI 22
Adrian, MI
0 unhealthy-or-worse days · median AQI 41
Akron, OH
0 unhealthy-or-worse days · median AQI 45
Albany, GA
0 unhealthy-or-worse days · median AQI 46
Albany, OR
0 unhealthy-or-worse days · median AQI 27
More Air Quality Data
Explore EPA air quality rankings and guides across U.S. metros and counties.
Cleanest Metro Areas
U.S. metros ranked by their share of Good air-quality days.
Worst Air Quality
Counties and metros with the most unhealthy air days.
All Metro Areas
Annual AQI by CBSA for every monitored U.S. metro area.
Best and Worst City Air
What drives urban air quality and how metro areas compare.
Air Quality Guides
Frequently Asked Questions
What is the air quality in the Tallahassee, FL metro area? ▼
How many unhealthy air days does Tallahassee, FL have? ▼
Is air quality in Tallahassee, FL getting better or worse? ▼
What does AQI 50 mean for health? ▼
What is the 90th percentile AQI for Tallahassee, FL? ▼
How does Tallahassee, FL compare to other metro areas? ▼
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2025. See our methodology for how AQI, median, and coverage figures are computed.
Read our methodology , how this data is sourced, computed, and verified.
Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary files (metro-level) · 2020–2025
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Every figure on PlainAirData is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.