Täby Seasonal Pollution
Täby usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in November. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in Stockholm, Sweden.
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Average EPA AQI
26
Rank 15 of 31 cities by average AQI
PM2.5
4.8
ug/m3 annualized city average
Seasonality
March
Cleanest: November
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Täby
36
31
44
24
38
23
19
24
25
24
17
21
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Täby, the current global analytics build covers 310 daily rows from 2024-01-29 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.