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

Alton

Belknap County, New Hampshire

2026-05-20 18:00

AQI (India)

Moderately polluted

Pollutants|Pollens

O3

μg/m³

110.1

PM10

μg/m³

9.6

PM2.5

μg/m³

4.4

Weather

28℃

64%

22 kph

5 of 11

Historical Data

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