Kairaki Health Impact
Kairaki averaged 9.9 ug/m3 PM2.5, equal to 2.0x the WHO annual PM2.5 guideline and about 0.4 cigarettes per day by the simple AQI Now indicator. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Canterbury, New Zealand.
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Average EPA AQI
42
Rank 1 of 7 cities by average AQI
PM2.5
9.9
ug/m3 annualized city average
Seasonality
July
Cleanest: January
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Kairaki
24
24
30
36
69
68
69
58
36
28
32
27
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Kairaki, the current global analytics build covers 360 daily rows from 2024-01-03 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.