Windlesham Seasonal Pollution
Windlesham usually records its highest OpenAQ-derived EPA AQI in November and its cleanest month in December. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Surrey, United Kingdom.
Search city analytics
Average EPA AQI
41
Rank 48 of 171 cities by average AQI
PM2.5
9.5
ug/m3 annualized city average
Seasonality
November
Cleanest: December
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Windlesham
-
-
-
-
-
-
-
-
-
-
57
37
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Windlesham, the current global analytics build covers 39 daily rows from 2024-11-23 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.