Metro area air quality · 2025
Jackson, MS
Median AQI 52 (Moderate). 43.4% of monitored days rated Good across this metro's EPA monitoring network.
- 52
- Median AQI
- 43.4%
- Good-air days
- 0
- Unhealthy days
- 8%
- Cleaner than US metros
Aggregated from EPA Air Quality System (2025), 274 monitored days. EPA AQS →
The verdict
The Jackson, MS metro runs moderate on the EPA scale, among the more polluted US metros, a median AQI of 52 with 43.4% of 274 monitored days in the Good band.
- 52
- median AQI · Moderate
- 43.4%
- days rated Good
- 8%
- cleaner than US metros
- 84
- worst single reading
No day crossed into the Unhealthy tier across the metro's monitors in 2025.
Insights: Jackson, MS metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 52 over 274 measured days in 2025, which corresponds to a Moderate band and a Poor metro-wide health grade. The monitored-day split lands at 119 Good days (43%), 155 Moderate (57%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 63 while the highest single-day reading hit 84 (Moderate). Metro residents averaged roughly 13.0 clean-air days per 30-day window across the reporting year.
Across the 2020–2025 trend window, good days shifted by -33 and the median AQI moved -1 points, which classifies the multi-year trajectory as stable. 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 Atlanta-Sandy Springs-Roswell, GA (45.3% good, AQI 52); El Dorado, AR (44.0% good, AQI 52); Greeley, CO (42.7% good, AQI 52).
Air Quality Summary
Median AQI
52
Moderate
Good Days
43.4%
119 of 274 days
Max AQI
84
Moderate
Health Grade
Poor
90th pct: 63
AQI Day Breakdown (2025)
Distribution of 274 monitored days across EPA AQI categories.
Good
119
43%
Moderate
155
57%
USG
0
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Jackson, MS metro area's air quality is rated Poor based on 43.4% 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 Jackson, MS metro compare?
How Jackson, MS compares
5-Year Air Quality Trend
Air quality is stable in the Jackson, MS metro. Best year: 2024 (203 good days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 152 | 213 | 0 | 53 | 114 |
| 2021 | 144 | 221 | 0 | 52 | 88 |
| 2022 | 168 | 195 | 0 | 52 | 105 |
| 2023 | 131 | 231 | 0 | 54 | 115 |
| 2024 | 203 | 163 | 0 | 48 | 96 |
| 2025 | 119 | 155 | 0 | 52 | 84 |
Metros with Similar Air Quality
Metro areas across the US with a similar median AQI to Jackson, MS.
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Worst Air Quality
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All Metro Areas
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Air Quality Guides
Frequently Asked Questions
What is the air quality in the Jackson, MS metro area? ▼
How many unhealthy air days does Jackson, MS have? ▼
Is air quality in Jackson, MS getting better or worse? ▼
What does AQI 52 mean for health? ▼
What is the 90th percentile AQI for Jackson, MS? ▼
How does Jackson, MS 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.