Dunedin Seasonal Pollution
Dunedin usually records its highest OpenAQ-derived EPA AQI in July and its cleanest month in December. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Otago, New Zealand.
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Average EPA AQI
27
Rank 5 of 7 cities by average AQI
PM2.5
5.8
ug/m3 annualized city average
Seasonality
July
Cleanest: December
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Dunedin
-
-
-
-
-
-
60
49
22
22
19
16
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Dunedin, the current global analytics build covers 161 daily rows from 2024-07-24 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.