Metro area air quality · 2025
Pahrump, NV
Median AQI 26 (Good). 92.6% of monitored days rated Good across this metro's EPA monitoring network.
- 26
- Median AQI
- 92.6%
- Good-air days
- 1
- Unhealthy days
- 90%
- Cleaner than US metros
Pahrump, NV posted a 2025 median AQI of 26 (Good) with 92.6% Good days
According to the U.S. EPA Air Quality System, the Pahrump, NV CBSA recorded a median AQI of 26 across 365 monitored days in 2025, with 92.6% rated Good and 1 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 Pahrump, NV CBSA's 92.6% Good-day share places it cleaner than 90% of US metros in 2025.
- Closest median-AQI peer
- Twin Falls, ID (92.9% Good, median AQI 26) is the closest nationwide median-AQI peer to Pahrump, NV.
- 2020–2025 Good-day shift
- Pahrump, NV's Good-day share moved -1.1 points from 2020 to 2025 (median AQI +5).
- Median AQI
- Median AQI: 26
Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →
The verdict
Pahrump, NV sits in the upper Good-day tercile among EPA CBSA metros on this site (92.6% of 365 monitored days). On the EPA scale the metro runs good, among the cleanest 10% of US metros, with a median AQI of 26 and 92.6% of 365 monitored days in the Good band.
- 26
- median AQI · Good
- 92.6%
- days rated Good
- 90%
- cleaner than US metros
- 153
- worst single reading
1 day reached Unhealthy or worse across the metro's monitors in 2025.
Annual release change
What changed in the 2025 EPA annual release
- Pahrump, NV metro's peak single-day AQI fell from 247 to 153 between the 2024 and 2025 EPA annual releases, a change of -94 points.
- Pahrump, NV metro's Good-day share rose from 87.9% to 92.9% between the 2024 and 2025 EPA annual releases, a change of +5.0 percentage points.
- Pahrump, NV metro's median AQI fell from 31 to 26 between the 2024 and 2025 EPA annual releases, a change of -5 points.
- Pahrump, NV metro's Unhealthy-category days rose from 0 to 1 between the 2024 and 2025 EPA annual releases, a change of +1 days.
Pahrump, NV sits in the upper Good-day tercile among EPA CBSA metros on this site (92.6% of 365 monitored days). Signature read: 92.6% 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 26 over 365 measured days in 2025 (Good / Excellent). The monitored-day split lands at 338 Good (93%), 25 Moderate (7%), and 1 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 45; the highest single-day reading hit 153 (Unhealthy).
Across 2020–2025, Good-day share shifted -1.1 points and median AQI moved +5 (stable). The annual record contains 1 day at Unhealthy or worse. Metros with comparable AQI profiles include Twin Falls, ID (92.9% good, AQI 26); Aberdeen, SD (83.6% good, AQI 27); Albany, OR (80.0% good, AQI 27).
Air Quality Summary
Median AQI
26
Good
Good Days
92.6%
338 of 365 days
Max AQI
153
Unhealthy
Health Grade
Excellent
90th pct: 45
AQI Day Breakdown (2025)
Distribution of 365 monitored days across EPA AQI categories.
Good
338
93%
Moderate
25
7%
USG
1
0%
Unhealthy
1
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Health Impact Assessment
The Pahrump, NV metro area's air quality is rated Excellent based on 92.6% good air days. There were 1 unhealthy days in 2025 when outdoor activity should be limited.
Air quality is acceptable most days, but 1 days reached "Unhealthy for Sensitive Groups" and peak AQI reached 153. Sensitive groups should monitor real-time conditions at AirNow.gov.
How does the Pahrump, NV metro compare?
How Pahrump, NV compares
5-Year Air Quality Trend
Air quality is stable in the Pahrump, NV metro. Highest Good-day share: 2023 (94.4%, 339 of 359 monitored days).
| Year | Good | Moderate | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|
| 2020 | 343 | 20 | 2 | 21 | 200 |
| 2021 | 336 | 28 | 0 | 23 | 105 |
| 2022 | 306 | 41 | 4 | 22 | 294 |
| 2023 | 339 | 20 | 0 | 19 | 147 |
| 2024 | 319 | 44 | 0 | 31 | 247 |
| 2025 | 338 | 25 | 1 | 26 | 153 |
Metros with a similar median AQI
CBSA peers nationwide whose annual median AQI sits near Pahrump, NV (26).
Twin Falls, ID
Median AQI 26 · 92.9% Good-day share
Aberdeen, SD
Median AQI 27 · 83.6% Good-day share
Albany, OR
Median AQI 27 · 80.0% Good-day share
Anchorage, AK
Median AQI 27 · 77.5% Good-day share
Ellensburg, WA
Median AQI 25 · 80.0% Good-day share
La Grande, OR
Median AQI 27 · 84.4% Good-day share
Metros with similar unhealthy-day exposure
A second relationship type: metros whose unhealthy-or-worse day count is closest to Pahrump, NV's 1 (independent of median AQI).
Ann Arbor, MI
1 unhealthy-or-worse days · median AQI 41
Bangor, ME
1 unhealthy-or-worse days · median AQI 33
Baraboo, WI
1 unhealthy-or-worse days · median AQI 35
Bartlesville, OK
1 unhealthy-or-worse days · median AQI 44
Beaumont-Port Arthur, TX
1 unhealthy-or-worse days · median AQI 52
Beaver Dam, WI
1 unhealthy-or-worse days · median AQI 40
Frequently Asked Questions
How many unhealthy air days does Pahrump, NV have? ▼
What is the air quality in the Pahrump, NV metro area? ▼
Is air quality in Pahrump, NV getting better or worse? ▼
What does AQI 26 mean for health? ▼
How does Pahrump, NV compare to other metro areas? ▼
What is the 90th percentile AQI for Pahrump, NV? ▼
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Pahrump, NV, 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, Pahrump, NV · 2020–2025