Rangiora vs Timaru: PM2.5 compared
Rangiora and Timaru were both measured on only 0 days over the last year, too few to compare them (it takes 30).
Right now
Rangiora#1,679on the 24-hour board of 2,660, at 27 US AQI (4.9 µg/m³)
Timaru#576on the 24-hour board of 2,660, at 55 US AQI (11.3 µg/m³)
Compare either city with another
Rangiora
Side by side with Kaiapoi (the nearest), Gujranwala (the world's worst on 30 days).
Timaru
Side by side with Christchurch (the nearest), Kaiapoi (New Zealand's 2nd worst on 30 days), Gujranwala (the world's worst on 30 days).
The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.
Updated 2026-10-13 00:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.