Wollaston Seasonal Pollution
Wollaston usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Dudley, United Kingdom.
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Average EPA AQI
48
Rank 17 of 171 cities by average AQI
PM2.5
11.9
ug/m3 annualized city average
Seasonality
November
Cleanest: April
Health indicator
0.5
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Wollaston
52
40
55
31
63
42
36
39
56
48
73
40
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Wollaston, the current global analytics build covers 361 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.