Metro area air quality · 2025
Jackson, MS
Median AQI 52 (Moderate). 45.8% of monitored days rated Good across this metro's EPA monitoring network.
- 52
- Median AQI
- 45.8%
- Good-air days
- 0
- Unhealthy days
- 10%
- Cleaner than US metros
Jackson, MS posted a 2025 median AQI of 52 (Moderate) with 45.8% Good days
According to the U.S. EPA Air Quality System, the Jackson, MS CBSA recorded a median AQI of 52 across 365 monitored days in 2025, with 45.8% 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 Jackson, MS CBSA's 45.8% Good-day share places it cleaner than 10% of US metros in 2025.
- Closest median-AQI peer
- Augusta-Richmond County, GA-SC (46.0% Good, median AQI 52) is the closest nationwide median-AQI peer to Jackson, MS.
- 2020–2025 Good-day shift
- Jackson, MS's Good-day share moved +4.1 points from 2020 to 2025 (median AQI -1).
- Median AQI
- Median AQI: 52
Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →
The verdict
Jackson, MS lands in the lower Good-day tercile (45.8% Good), a thinner clean-air share than most CBSA peers here. On the EPA scale the metro runs moderate, among the more polluted US metros, with a median AQI of 52 and 45.8% of 365 monitored days in the Good band.
- 52
- median AQI · Moderate
- 45.8%
- days rated Good
- 10%
- cleaner than US metros
- 84
- 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
- Jackson, MS metro's Good-day share fell from 55.5% to 45.8% between the 2024 and 2025 EPA annual releases, a change of -9.7 percentage points.
- Jackson, MS metro's median AQI rose from 48 to 52 between the 2024 and 2025 EPA annual releases, a change of +4 points.
- Jackson, MS metro's peak single-day AQI fell from 96 to 84 between the 2024 and 2025 EPA annual releases, a change of -12 points.
Jackson, MS lands in the lower Good-day tercile (45.8% Good), a thinner clean-air share than most CBSA peers here. Signature read: 45.8% Good-day share (low tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 52 over 365 measured days in 2025 (Moderate / Poor). The monitored-day split lands at 167 Good (46%), 198 Moderate (54%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 63; the highest single-day reading hit 84 (Moderate).
Across 2020–2025, Good-day share shifted +4.1 points and median AQI moved -1 (improving). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Augusta-Richmond County, GA-SC (46.0% good, AQI 52); Beaumont-Port Arthur, TX (41.4% good, AQI 52); Birmingham-Hoover, AL (43.0% good, AQI 52).
Air Quality Summary
Median AQI
52
Moderate
Good Days
45.8%
167 of 365 days
Max AQI
84
Moderate
Health Grade
Poor
90th pct: 63
AQI Day Breakdown (2025)
Distribution of 365 monitored days across EPA AQI categories.
Good
167
46%
Moderate
198
54%
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 45.8% 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 improving in the Jackson, MS metro. Highest Good-day share: 2024 (55.5%, 203 of 366 monitored 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 | 167 | 198 | 0 | 52 | 84 |
Metros with a similar median AQI
CBSA peers nationwide whose annual median AQI sits near Jackson, MS (52).
Augusta-Richmond County, GA-SC
Median AQI 52 · 46.0% Good-day share
Beaumont-Port Arthur, TX
Median AQI 52 · 41.4% Good-day share
Birmingham-Hoover, AL
Median AQI 52 · 43.0% Good-day share
Charlotte-Concord-Gastonia, NC-SC
Median AQI 52 · 46.0% Good-day share
El Dorado, AR
Median AQI 52 · 41.8% Good-day share
Grand Rapids-Wyoming, MI
Median AQI 52 · 41.9% Good-day share
Metros with similar unhealthy-day exposure
A second relationship type: metros whose unhealthy-or-worse day count is closest to Jackson, MS'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
Frequently Asked Questions
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Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Jackson, MS, 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, Jackson, MS · 2020–2025