Visby Health Impact
Visby averaged 6.6 ug/m3 PM2.5, equal to 1.3x the WHO annual PM2.5 guideline and about 0.3 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 6 mapped monitoring locations in Gotland, Sweden.
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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 health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
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.