Harborne Seasonal Pollution
Harborne usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in April. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Birmingham, United Kingdom.
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Average EPA AQI
45
Rank 28 of 171 cities by average AQI
PM2.5
10.8
ug/m3 annualized city average
Seasonality
March
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Harborne
-
43
66
29
63
47
40
38
61
-
61
33
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Harborne, the current global analytics build covers 196 daily rows from 2024-02-20 to 2024-12-27. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.