Ashburton, Ashton, Canterbury, New Zealand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Ashburton, Ashton, Canterbury, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (7th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 19 of Good air quality, showing improvement over 2025 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Mar - 7th Mar 2026
Ashburton, Ashton, Canterbury, New Zealand
7 AM6th Mar 2026
8 PM
6 AM7th Mar 2026
29AQI
14AQI
21AQI
12AQI
In the last 24 hours,
Ashburton's AQI reached its highest point of 29 at 12 PM during the Day, while the lowest point, 12, was recorded at 5 AM during the Night between 6th Mar and 7th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Ashburton, Ashton, Canterbury, New Zealand
16°C13/20°C
17°C13/22°C
13°C12/14°C
14°C10/18°C
18°C12/25°C
16°C13/19°C
18°C13/25°C
18°C13/25°C
14°C12/17°C
13°C12/15°C
12°C11/12°C
12°C11/13°C
16°C12/20°C
16°C12/23°C
14°C11/17°C
14°C9/20°C
14°C9/20°C
14°C10/22°C
15°C11/18°C
16°C9/23°C
13°C10/16°C
11°C10/14°C
13°C7/20°C
11°C9/16°C
9°C7/11°C
10°C6/14°C
12°C6/18°C
15°C9/23°C
19°C13/26°C
17°C12/23°C
40AQI
19AQI
25AQI
21AQI
2026 Days Vs Air Quality
Ashburton, Ashton, Canterbury, New Zealand
100%
66
Total number of days with different AQI categories in last 67 days in 2026 (298 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2026, 100% of 67 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Ashburton, Ashton, Canterbury, New Zealand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
13AQI (US)
13AQI (US)
15AQI (US)
21AQI (US)
25AQI (US)
31AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
25AQI (US)
20AQI (US)
26AQI (US)
16AQI (US)
17AQI (US)
11AQI (US)
13AQI (US)
18AQI (US)
31AQI (US)
16AQI (US)
14AQI (US)
19AQI (US)
15AQI (US)
30AQI (US)
25AQI (US)
21AQI (US)
16AQI (US)
19AQI (US)
34AQI (US)
28AQI (US)
30AQI (US)
21AQI (US)
16AQI (US)
18AQI (US)
14AQI (US)
19AQI (US)
17AQI (US)
28AQI (US)
19AQI (US)
26AQI (US)
39AQI (US)
32AQI (US)
24AQI (US)
10AQI (US)
22AQI (US)
19AQI (US)
24AQI (US)
17AQI (US)
11AQI (US)
15AQI (US)
24AQI (US)
33AQI (US)
44AQI (US)
32AQI (US)
41AQI (US)
26AQI (US)
12AQI (US)
32AQI (US)
29AQI (US)
47AQI (US)
31AQI (US)
20AQI (US)
24AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
24AQI (US)
27AQI (US)
No. of days
202623AQI (US)
Highest AQI (US) recorded in
March27AQI (US)
Lowest AQI (US) recorded in
January21AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
June62AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
June53AQI (US)
Lowest AQI (US) recorded in
January17AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
June49AQI (US)
Lowest AQI (US) recorded in
November19AQI (US)
202230AQI (US)
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
December15AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Ashburton's annual 2026 AQI (US) (23) shows an average percentage change of -25.3% (improved AQI (US)) compared to previous years: 2021 (30), 2022 (30), 2023 (29), 2024 (31), 2025 (34).