Alton Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Alton

Alton, Madison County

2026-07-27 04:00

CAQI (Europe)

Low

Pollutants|Pollens

PM2.5

μg/m³

16.5

O3

μg/m³

45

Weather

27℃

96%

7 kph

0 of 11

Historical Data

Data Sources

http://www.airnow.gov/

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