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

Lewis and Clark County

Montana

2026-05-21 15:00

AQI (UK)

Low

Pollutants|Pollens

O3

μg/m³

92.1

PM2.5

μg/m³

1.3

Weather

8℃

64%

4 kph

5 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