Nevada · County air quality · 2025

White Pine County, Nevada

Median AQI 47 (Good). 69.9% of monitored days rated Good, direct from EPA Air Quality System stations.

47
Median AQI
69.9%
Good-air days
0
Unhealthy days
31%
Cleaner than US counties

The verdict

According to EPA Air Quality System monitoring data, White Pine County's air is good on balance, more polluted than the median US county, a median AQI of 47 with 69.9% of 219 monitored days in the Good band, driven mainly by Ozone.

47
median AQI · Good
69.9%
days rated Good
Ozone
main pollutant
31%
cleaner than US counties

Not one day crossed into the Unhealthy tier; the worst single reading was AQI 105.

Data updated July 2026

White Pine County AQI category distribution Stacked-segment bar showing the share of monitored days that fell in each EPA AQI category, Good, Moderate, USG, Unhealthy, Very Unhealthy, Hazardous, with median AQI marker. AQI category distribution 219 monitored days G M Median AQI 47 0 50 100 150 200 300 500 White Pine County
  • Good · 153 d · 69.9%
  • Moderate · 65 d · 29.7%
  • USG · 1 d · 0.5%

How did White Pine County's air break down in 2025?

Across 219 monitored days, 153 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 105 (USG).

EPA AQS →

Air quality data from EPA Air Quality System (2025). 219 days monitored. Median AQI: 47 (Good).

Insights: White Pine County, Nevada. EPA monitors recorded a median Air Quality Index of 47 across 219 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 153 (70%) fell in the Good band (AQI 0–50), 65 (30%) registered Moderate readings, and 1 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 71, while the worst single-day peak hit 105 (USG). Residents averaged about 21.0 clean-air days per 30-day window during the monitoring year.

The full pollutant mix ranks as Ozone (218 days), PM2.5 (1 days). Across the 2020–2025 trend window, good days shifted by -141 and the median AQI moved +3 points, placing the multi-year trajectory at worsening. The worst single reading over the 2020–2025 window was AQI 105, usg but never Unhealthy. Nearby counties show comparable readings: Carson City (79.3% good, AQI 45); Churchill (81.0% good, AQI 43); Clark (25.6% good, AQI 64); Douglas (90.9% good, AQI 22); Elko (90.8% good, AQI 19); Lyon (83.9% good, AQI 44).

Air Quality Summary

Median AQI

47

Good

Good Days

69.9%

153 of 219 monitored days

-5.1pp vs 75% target

Max AQI Recorded

105

USG

Health Grade

Moderate

90th-pct AQI 71

White Pine County, Good days share 69.9%
National avg

Share of monitored days at AQI 0-50 (Good band).

White Pine County, Unhealthy-or-worse share 0.0%
National avg

Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).

AQI Day Breakdown (2025)

Distribution of 219 monitored days across EPA AQI categories.

Good

153

70%

Moderate

65

30%

USG

1

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Pollutant Breakdown

Days where each pollutant was the primary driver of AQI readings in White Pine County.

White Pine County, Nevada criteria pollutant distribution Stratified-band visualization showing the share of monitored days each criteria pollutant (PM2.5, PM10, O3, NO2, CO) was the primary AQI driver. Ozone · 99.5% 0% 25% 50% 75% 100% White Pine County, Nevada · 219 monitored days Criteria pollutant column
  • Ozone · 218 days · 99.5%
  • PM2.5 · 1 days · 0.5%
Ozone (O3) 218 days (100%)

How Ozone affects health →

Fine Particles (PM2.5) 1 days (0%)

How PM2.5 affects health →

Health Impact Assessment

Moderate

White Pine County's air quality is rated Moderate based on 69.9% good air days. No unhealthy air days were recorded in 2025.

Air quality was acceptable on 69.9% of monitored days in 2025, with a median AQI of 47. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.

The dominant pollutant is Ozone, driving AQI on 218 of 219 monitored days.

5-Year Air Quality Trend

Air quality is worsening in White Pine County. Best year: 2020 (294 good days).

Year Good Moderate USG Unhealthy Median AQI
2020 294 64 3 0 44
2021 280 82 2 0 44
2022 287 59 0 0 44
2023 293 68 0 0 44
2024 269 91 2 0 44
2025 153 65 1 0 47

How does White Pine County compare?

How White Pine County compares

Good-day share worse than US avg
White Pine County 69.9%
Carson City County, Nevada 79.3%
US average 76.5%
Median AQI worse than US avg
White Pine County 47
Carson City County, Nevada 45
US average 38
Unhealthy days / yr about average
White Pine County 0
Carson City County, Nevada 0
US average 0

Other Counties in Nevada

Air quality comparison for nearby counties in Nevada.

Counties with Similar Air Quality

Counties across the US with a similar median AQI to White Pine County.

What White Pine County's air means for you

The air here stays in the breathable range year-round, with Ozone the main thing to watch.

  • Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-Ozone days, the guide explains what a median of 47 means for exposure. Health guidance
  • See how White Pine County ranks against every monitored U.S. county on Good-day share. County rankings
  • Compare White Pine County with its Nevada neighbours before drawing a conclusion about the region. All of Nevada

Based on 219 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.

More Air Quality Data

Air Quality Guides

Frequently Asked Questions

What is the air quality in White Pine County, Nevada?
White Pine County has a median Air Quality Index (AQI) of 47, rated "Good." 69.9% of monitored days (153 out of 219) had good air quality in 2025.
What is the main pollutant in White Pine County?
The primary pollutant in White Pine County is Ozone (O3), which was the main AQI driver on 218 days (100% of monitored days). Can trigger asthma, reduce lung function, and cause chest pain.
How many unhealthy air days does White Pine County have?
In 2025, White Pine County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 105.
Is the air quality in White Pine County getting better or worse?
Air quality in White Pine County is worsening based on 5-year trends (2020-2025). Best year: 2020 with 294 good days. Worst year: 2025 with 153 good days.
What does AQI 47 mean for health?
White Pine County's median AQI of 47 falls in the "Good" category. See the <a href="/guides/understanding-aqi" class="underline">AQI category guide</a> for what each range means for health.
How does White Pine County compare to other counties in Nevada?
White Pine County has 69.9% good air days. Nearby counties in Nevada: Carson City (79.3% good), Churchill (81.0% good), Clark (25.6% good), Douglas (90.9% good), Elko (90.8% good), Lyon (83.9% good).
What is the 90th percentile AQI in White Pine County?
The 90th percentile AQI for White Pine County is 71, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 105 (USG).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by County dataset, 2020–2025 (aqs.epa.gov). For current conditions (not shown here — this page is historical annual data), see EPA AirNow (airnow.gov). See our methodology for how AQI, median, and coverage figures are computed.

Informational only, not professional advice. Data from EPA AQS. See our disclaimer.

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.