Lewis and Clark County Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Lewis and Clark County

Montana

2026-05-21 14:00

AQI (UK)

Low

Pollutants|Pollens

O3

μg/m³

87.9

PM2.5

μg/m³

1.9

Weather

6℃

72%

4 kph

3 of 11

Historical Data

Places included

Helena Valley Northwest

Helena Valley Southeast

Helena Valley West Central

Data Sources

http://www.airnow.gov/

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Cities Nearby

Helena Valley Northwest