Stockton-on-Tees Seasonal Pollution
Stockton-on-Tees usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in April. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Stockton-on-Tees, United Kingdom.
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Average EPA AQI
31
Rank 115 of 171 cities by average AQI
PM2.5
6.3
ug/m3 annualized city average
Seasonality
September
Cleanest: April
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Stockton-on-Tees
32
29
39
18
40
24
19
32
41
36
-
-
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Stockton-on-Tees, the current global analytics build covers 268 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.