Sheffield Seasonal Pollution
Sheffield usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in July. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Sheffield, United Kingdom.
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Average EPA AQI
39
Rank 59 of 171 cities by average AQI
PM2.5
7.9
ug/m3 annualized city average
Seasonality
May
Cleanest: July
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Sheffield
38
36
47
29
48
35
29
38
43
41
44
36
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Sheffield, the current global analytics build covers 347 daily rows from 2024-01-01 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.