Oshawa Health Impact
Oshawa averaged 6.1 ug/m3 PM2.5, equal to 1.2x 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 1 mapped monitoring location in Ontario, Canada.
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Average EPA AQI
31
Rank 77 of 158 cities by average AQI
PM2.5
6.1
ug/m3 annualized city average
Seasonality
August
Cleanest: November
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Oshawa
34
30
28
27
32
38
38
39
31
27
19
35
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Oshawa, the current global analytics build covers 360 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.