Hamar Seasonal Pollution
Hamar usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Innlandet, Norway.
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Average EPA AQI
46
Rank 1 of 21 cities by average AQI
PM2.5
10.3
ug/m3 annualized city average
Seasonality
January
Cleanest: July
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Hamar
80
67
64
46
43
29
22
28
43
38
44
51
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Hamar, the current global analytics build covers 343 daily rows from 2024-01-04 to 2024-12-23. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.