Timaru Health Impact
Timaru averaged 8.6 ug/m3 PM2.5, equal to 1.7x 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 4 mapped monitoring locations in Canterbury, New Zealand.
Search city analytics
Average EPA AQI
41
Rank 2 of 7 cities by average AQI
PM2.5
8.6
ug/m3 annualized city average
Seasonality
June
Cleanest: January
Health indicator
0.4
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Timaru
27
30
33
41
52
62
59
52
35
31
38
29
What this health page measures
Translate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
For Timaru, the current global analytics build covers 362 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.