Sault Ste. Marie AQI Trends
Sault Ste. Marie AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Ontario, Canada.
Search city analytics
Average EPA AQI
25
Rank 114 of 158 cities by average AQI
PM2.5
4.6
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
Sault Ste. Marie
25
28
20
16
20
26
37
38
29
21
14
18
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Sault Ste. Marie, the current global analytics build covers 359 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.