Metro area air quality · 2025
Jackson, WY-ID
Median AQI 44 (Good). 84.9% of monitored days rated Good across this metro's EPA monitoring network.
- 44
- Median AQI
- 84.9%
- Good-air days
- 0
- Unhealthy days
- 77%
- Cleaner than US metros
Jackson, WY-ID posted a 2025 median AQI of 44 (Good) with 84.9% Good days
According to the U.S. EPA Air Quality System, the Jackson, WY-ID CBSA recorded a median AQI of 44 across 365 monitored days in 2025, with 84.9% 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, WY-ID CBSA's 84.9% Good-day share places it cleaner than 77% of US metros in 2025.
- Closest median-AQI peer
- Bartlesville, OK (68.0% Good, median AQI 44) is the closest nationwide median-AQI peer to Jackson, WY-ID.
- 2020–2025 Good-day shift
- Jackson, WY-ID's Good-day share moved -2.0 points from 2020 to 2025 (median AQI +1).
- Median AQI
- Median AQI: 44
Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →
The verdict
Jackson, WY-ID sits in the upper Good-day tercile among EPA CBSA metros on this site (84.9% of 365 monitored days). On the EPA scale the metro runs good, cleaner than most US metros, with a median AQI of 44 and 84.9% of 365 monitored days in the Good band.
- 44
- median AQI · Good
- 84.9%
- days rated Good
- 77%
- cleaner than US metros
- 90
- 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, WY-ID metro's Good-day share rose from 75.8% to 84.9% between the 2024 and 2025 EPA annual releases, a change of +9.1 percentage points.
- Jackson, WY-ID metro's peak single-day AQI fell from 138 to 90 between the 2024 and 2025 EPA annual releases, a change of -48 points.
Jackson, WY-ID sits in the upper Good-day tercile among EPA CBSA metros on this site (84.9% of 365 monitored days). Signature read: 84.9% Good-day share (high tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 44 over 365 measured days in 2025 (Good / Good). The monitored-day split lands at 310 Good (85%), 55 Moderate (15%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 54; the highest single-day reading hit 90 (Moderate).
Across 2020–2025, Good-day share shifted -2.0 points and median AQI moved +1 (stable). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Bartlesville, OK (68.0% good, AQI 44); Berlin, NH-VT (81.5% good, AQI 44); Bloomington, IL (66.0% good, AQI 44).
Air Quality Summary
Median AQI
44
Good
Good Days
84.9%
310 of 365 days
Max AQI
90
Moderate
Health Grade
Good
90th pct: 54
AQI Day Breakdown (2025)
Distribution of 365 monitored days across EPA AQI categories.
Good
310
85%
Moderate
55
15%
USG
0
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Jackson, WY-ID metro area's air quality is rated Good based on 84.9% 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, WY-ID metro compare?
How Jackson, WY-ID compares
5-Year Air Quality Trend
Air quality is stable in the Jackson, WY-ID metro. Highest Good-day share: 2022 (91.0%, 332 of 365 monitored days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 312 | 42 | 5 | 43 | 165 |
| 2021 | 277 | 78 | 0 | 44 | 131 |
| 2022 | 332 | 33 | 0 | 43 | 100 |
| 2023 | 321 | 44 | 0 | 43 | 75 |
| 2024 | 276 | 88 | 0 | 44 | 138 |
| 2025 | 310 | 55 | 0 | 44 | 90 |
Metros with a similar median AQI
CBSA peers nationwide whose annual median AQI sits near Jackson, WY-ID (44).
Bartlesville, OK
Median AQI 44 · 68.0% Good-day share
Berlin, NH-VT
Median AQI 44 · 81.5% Good-day share
Bloomington, IL
Median AQI 44 · 66.0% Good-day share
Boston-Cambridge-Newton, MA-NH
Median AQI 44 · 71.0% Good-day share
Bridgeport-Stamford-Norwalk, CT
Median AQI 44 · 64.7% Good-day share
Buffalo-Cheektowaga-Niagara Falls, NY
Median AQI 44 · 63.8% Good-day share
Metros with similar unhealthy-day exposure
A second relationship type: metros whose unhealthy-or-worse day count is closest to Jackson, WY-ID'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
How many unhealthy air days does Jackson, WY-ID have? ▼
What is the air quality in the Jackson, WY-ID metro area? ▼
Is air quality in Jackson, WY-ID getting better or worse? ▼
What does AQI 44 mean for health? ▼
How does Jackson, WY-ID compare to other metro areas? ▼
What is the 90th percentile AQI for Jackson, WY-ID? ▼
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Jackson, WY-ID, 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, WY-ID · 2020–2025