Visby Seasonal Pollution
Visby usually records its highest OpenAQ-derived EPA AQI in March and its cleanest month in November. The page uses OpenAQ-derived daily history for 6 mapped monitoring locations in Gotland, Sweden.
Search city analytics
Average EPA AQI
34
Rank 4 of 31 cities by average AQI
PM2.5
6.6
ug/m3 annualized city average
Seasonality
March
Cleanest: November
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Visby
29
41
55
34
36
33
29
34
34
29
22
28
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Visby, the current global analytics build covers 365 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.