Manchester Seasonal Pollution
Manchester usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in England, United Kingdom.
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Average EPA AQI
43
Rank 34 of 171 cities by average AQI
PM2.5
8.8
ug/m3 annualized city average
Seasonality
March
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Manchester
50
46
50
38
50
37
32
43
45
42
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Manchester, the current global analytics build covers 285 daily rows from 2024-01-01 to 2024-10-26. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.