Northcote Seasonal Pollution
Northcote usually records its highest OpenAQ-derived EPA AQI in September and its cleanest month in December. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Auckland, New Zealand.
Search city analytics
Average EPA AQI
5
Rank 7 of 7 cities by average AQI
PM2.5
0.8
ug/m3 annualized city average
Seasonality
September
Cleanest: December
Health indicator
0.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Northcote
-
-
-
-
-
-
-
-
8
5
5
3
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Northcote, the current global analytics build covers 96 daily rows from 2024-09-21 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.