What is the air quality trend in Ashburton?

Over the past 14 days, Ashburton had an average AQI of 43 based on station measurements. The worst day was 2026-07-16 with AQI 64.

How is Ashburton air quality measured?

Air quality in Ashburton is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Ashburton, New Zealand

Name: Ashburton Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Ashburton, New Zealand.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

241h

PM2.5 Station

241h · 1 station

Temperature GFS model

55pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	53	11–136	15.3 µg/m³	16h	1
2026-07-20	35	17–63	8.5 µg/m³	16h	2
2026-07-19	44	8–95	11.7 µg/m³	15h	2
2026-07-18	49	9–179	16.1 µg/m³	17h	1
2026-07-17	44	6–93	11.8 µg/m³	19h	1
2026-07-16	64	39–93	18.7 µg/m³	20h	2
2026-07-15	57	17–76	15.9 µg/m³	15h	1
2026-07-14	35	13–65	8.6 µg/m³	21h	1
2026-07-13	27	8–48	6.4 µg/m³	13h	1
2026-07-12	48	19–85	13.0 µg/m³	19h	1
2026-07-11	44	4–63	11.2 µg/m³	17h	1
2026-07-10	44	11–61	11.1 µg/m³	17h	1
2026-07-09	37	1–68	9.3 µg/m³	18h	2
2026-07-08	25	5–42	6.0 µg/m³	18h	2

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