Courtenay Health Impact
Courtenay averaged 4.7 ug/m3 PM2.5, equal to 0.9x the WHO annual PM2.5 guideline and about 0.2 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in British Columbia, Canada.
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Average EPA AQI
24
Rank 116 of 158 cities by average AQI
PM2.5
4.7
ug/m3 annualized city average
Seasonality
January
Cleanest: June
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Courtenay
43
40
27
19
18
13
18
23
16
30
-
-
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Courtenay, the current global analytics build covers 294 daily rows from 2024-01-01 to 2024-10-22. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.