Uppsala Seasonal Pollution
Uppsala usually records its highest OpenAQ-derived EPA AQI in May and its cleanest month in November. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Uppsala, Sweden.
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Average EPA AQI
25
Rank 16 of 31 cities by average AQI
PM2.5
4.7
ug/m3 annualized city average
Seasonality
May
Cleanest: November
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Uppsala
19
24
32
23
33
29
24
26
31
24
16
19
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Uppsala, the current global analytics build covers 360 daily rows from 2024-01-03 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.