Bra Health Impact
Bra averaged 15.6 ug/m3 PM2.5, equal to 3.1x the WHO annual PM2.5 guideline and about 0.7 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Piedmont, Italy.
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Average EPA AQI
60
Rank 33 of 132 cities by average AQI
PM2.5
15.6
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Bra
122
80
42
43
37
30
55
57
55
52
92
83
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Bra, the current global analytics build covers 196 daily rows from 2024-01-29 to 2024-12-30. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.