Miramichi Health Impact
Miramichi averaged 4.0 ug/m3 PM2.5, equal to 0.8x 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 New Brunswick, Canada.
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Average EPA AQI
22
Rank 145 of 158 cities by average AQI
PM2.5
4.0
ug/m3 annualized city average
Seasonality
August
Cleanest: November
Health indicator
0.2
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Miramichi
23
20
16
16
16
21
36
39
23
17
11
19
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Miramichi, the current global analytics build covers 358 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.