Pahrump, NV

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Metro area air quality from EPA Air Quality System (2024). 366 days monitored. Median AQI: 31 (Good).

Insights: Pahrump, NV metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 31 over 366 measured days in 2024, which corresponds to a Good band and a Good metro-wide health grade. The monitored-day split lands at 319 Good days (87%), 44 Moderate (12%), and 2 Unhealthy-for-Sensitive-Groups (1%). The 90th-percentile AQI finished at 52 while the highest single-day reading hit 247 (Very Unhealthy). Metro residents averaged roughly 26.1 clean-air days per 30-day window across the reporting year.

Across the 2020–2024 trend window, good days shifted by -24 and the median AQI moved +10 points, which classifies the multi-year trajectory as worsening. The metro recorded 1 unhealthy-or-worse days combined — on those days the EPA recommends that sensitive groups limit prolonged outdoor exertion, and many schools and athletic programs adjust outdoor activity accordingly. Metros with comparable AQI profiles include Butte-Silver Bow, MT (70.5% good, AQI 31); Dyersburg, TN (82.4% good, AQI 31); Lewiston-Auburn, ME (92.6% good, AQI 31).

Air Quality Summary

Median AQI

31

Good

Good Days

87.2%

319 of 366 days

Max AQI

247

Very Unhealthy

Health Grade

Good

90th pct: 52

AQI Day Breakdown (2024)

Distribution of 366 monitored days across EPA AQI categories.

Good

319

87%

Moderate

44

12%

USG

2

1%

Unhealthy

0

0%

Very Unhealthy

1

0%

Hazardous

0

0%

Health Impact Assessment

Good

The Pahrump, NV metro area's air quality is rated Good based on 87.2% good air days. There were 1 unhealthy days in 2024 when outdoor activity should be limited.

Air quality reached unhealthy levels on 1 days in 2024 (0 Unhealthy, 1 Very Unhealthy). Sensitive groups — including people with asthma, COPD, cardiovascular conditions, children, and adults over 65 — should review the daily breakdown and follow local advisories.

Sensitive group advisory

People with asthma, COPD, heart disease, children, pregnant women, and adults 65+ should follow EPA AQI alerts daily and limit outdoor exertion when AQI exceeds 100. Real-time conditions: airnow.gov.

5-Year Air Quality Trend

Air quality is worsening in the Pahrump, NV metro. Best year: 2020 (343 good days).

Year Good Moderate Unhealthy Median AQI
2020 343 20 2 21
2021 336 28 0 23
2022 306 41 4 22
2023 339 20 0 19
2024 319 44 0 31

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Pahrump, NV.

Butte-Silver Bow, MT

AQI 31 · 70.5% good

31

Dyersburg, TN

AQI 31 · 82.4% good

31

Lewiston-Auburn, ME

AQI 31 · 92.6% good

31

Urban Honolulu, HI

AQI 31 · 98.4% good

31

Athens, TN

AQI 32 · 78.9% good

32

Clearlake, CA

AQI 32 · 99.5% good

32

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Air Quality Guides

Learn more about air quality monitoring, pollutants, and health impacts.

Understanding AQI

What each AQI level means and who is most at risk.

Best & Worst City Air Quality

Metro area air quality rankings and what drives urban pollution.

Health Effects of Air Pollution

How PM2.5 and ozone exposure affects respiratory and cardiovascular health.

Frequently Asked Questions

What is the air quality in the Pahrump, NV metro area? ▼
The Pahrump, NV metro area has a median Air Quality Index (AQI) of 31, rated "Good." 87.2% of monitored days (319 out of 366) had good air quality in 2024.
How many unhealthy air days does Pahrump, NV have? ▼
In 2024, the Pahrump, NV metro area recorded 1 unhealthy air days (0 Unhealthy, 1 Very Unhealthy, 0 Hazardous). The maximum AQI reached 247.
Is air quality in Pahrump, NV getting better or worse? ▼
Air quality in the Pahrump, NV metro is worsening based on 5-year trends (2020-2024). Best year: 2020 with 343 good days. Worst year: 2022 with 306 good days.
What does AQI 31 mean for health? ▼
An AQI of 31 is "Good" — air quality is satisfactory and poses little or no health risk. This is the best category on the EPA's AQI scale.
What is the 90th percentile AQI for Pahrump, NV? ▼
The 90th percentile AQI for the Pahrump, NV metro area is 52, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 247 (Very Unhealthy).
How does Pahrump, NV compare to other metro areas? ▼
The Pahrump, NV metro has 87.2% good air days. Similar metros: Butte-Silver Bow, MT (70.5% good), Dyersburg, TN (82.4% good), Lewiston-Auburn, ME (92.6% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2024. The AQS collects ambient air monitoring data from state, local, and tribal monitoring agencies across the United States.

Metrics: Air Quality Index (AQI) is calculated using EPA-standard breakpoints for six criteria pollutants: PM2.5, PM10, Ozone, NO2, CO, and SO2. Median AQI, max AQI, and 90th percentile AQI are computed from daily measurements. Good days percentage reflects days with AQI 0–50.

Coverage: 501 metro areas (Core Based Statistical Areas). Only metros with active monitoring stations are included. Unmonitored areas are not represented.

Read our methodology — how this data is sourced, computed, and verified.

Source: U.S. EPA — AirNow / AQS Air Quality Index readings and pollutant concentrations · 2025