Metro area air quality · 2025
Mobile, AL
Median AQI 43 (Good). 69.7% of monitored days rated Good across this metro's EPA monitoring network.
- 43
- Median AQI
- 69.7%
- Good-air days
- 0
- Unhealthy days
- 43%
- Cleaner than US metros
Aggregated from EPA Air Quality System (2025), 241 monitored days. EPA AQS →
The verdict
The Mobile, AL metro runs good on the EPA scale, more polluted than the median US metro, a median AQI of 43 with 69.7% of 241 monitored days in the Good band.
- 43
- median AQI · Good
- 69.7%
- days rated Good
- 43%
- cleaner than US metros
- 80
- worst single reading
No day crossed into the Unhealthy tier across the metro's monitors in 2025.
Insights: Mobile, AL metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 43 over 241 measured days in 2025, which corresponds to a Good band and a Moderate metro-wide health grade. The monitored-day split lands at 168 Good days (70%), 73 Moderate (30%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 55 while the highest single-day reading hit 80 (Moderate). Metro residents averaged roughly 20.9 clean-air days per 30-day window across the reporting year.
Across the 2020–2025 trend window, good days shifted by -20 and the median AQI moved -6 points, which classifies the multi-year trajectory as improving. The metro avoided any Unhealthy-tier days entirely, an outcome that typically reflects favorable wind patterns, lower industrial density, or effective regional emission controls. Metros with comparable AQI profiles include Allentown-Bethlehem-Easton, PA-NJ (65.6% good, AQI 43); Amarillo, TX (75.7% good, AQI 43); Ashtabula, OH (81.2% good, AQI 43).
Air Quality Summary
Median AQI
43
Good
Good Days
69.7%
168 of 241 days
Max AQI
80
Moderate
Health Grade
Moderate
90th pct: 55
AQI Day Breakdown (2025)
Distribution of 241 monitored days across EPA AQI categories.
Good
168
70%
Moderate
73
30%
USG
0
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Mobile, AL metro area's air quality is rated Moderate based on 69.7% 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 Mobile, AL metro compare?
How Mobile, AL compares
5-Year Air Quality Trend
Air quality is improving in the Mobile, AL metro. Best year: 2024 (242 good days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 188 | 160 | 0 | 49 | 78 |
| 2021 | 125 | 236 | 0 | 53 | 83 |
| 2022 | 235 | 128 | 0 | 44 | 93 |
| 2023 | 203 | 157 | 0 | 46 | 108 |
| 2024 | 242 | 123 | 0 | 45 | 80 |
| 2025 | 168 | 73 | 0 | 43 | 80 |
Metros with Similar Air Quality
Metro areas across the US with a similar median AQI to Mobile, AL.
More Air Quality Data
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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
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Air Quality Guides
Frequently Asked Questions
What is the air quality in the Mobile, AL metro area? ▼
How many unhealthy air days does Mobile, AL have? ▼
Is air quality in Mobile, AL getting better or worse? ▼
What does AQI 43 mean for health? ▼
What is the 90th percentile AQI for Mobile, AL? ▼
How does Mobile, AL 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
Every figure on PlainAir 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.