Washoe County, Nevada

AQI 51 · Moderate

YearMonth

51

Median AQI

74

90th Percentile

112

Max AQI

274

Days with Data

Ranked #8 of 9 counties in Nevada (by median AQI, lower is better)

Monthly Median AQI — 2025

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AQI Category Breakdown

Adjacent Counties

Lassen County, California Modoc County, California Nevada County, California Placer County, California Sierra County, California Carson City County Churchill County Humboldt County Lyon County Pershing County Storey County Harney County, Oregon Lake County, Oregon

External Links

Washoe County, Nevada on Wikipedia