Timaru, Canterbury, New Zealand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Timaru, Canterbury, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 25 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Timaru, Canterbury, New Zealand
8 AM2nd Aug 2025
5 PM
7 AM3rd Aug 2025
AQI
AQI
85AQI
17AQI
In the last 24 hours,
Timaru's AQI reached its highest point of 85 at 9 PM during the Night, while the lowest point, undefined, was recorded at 7 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Timaru, Canterbury, New Zealand
7°C4/10°C
8°C7/8°C
7°C5/10°C
6°C4/8°C
5°C2/7°C
7°C5/8°C
9°C7/14°C
8°C6/10°C
9°C7/12°C
8°C5/11°C
8°C6/11°C
7°C5/11°C
7°C6/10°C
4°C2/7°C
4°C1/9°C
7°C4/10°C
6°C4/11°C
6°C4/10°C
6°C4/11°C
6°C3/10°C
6°C3/11°C
7°C4/11°C
7°C5/12°C
8°C6/13°C
9°C7/13°C
11°C9/15°C
11°C9/13°C
7°C4/7°C
5°C3/8°C
--°C/°C
--°C/°C
51AQI
28AQI
69AQI
52AQI
2025 Days Vs Air Quality
Timaru, Canterbury, New Zealand
77%
164
23%
49
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Timaru, Canterbury, New Zealand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
23AQI
24AQI
22AQI
26AQI
22AQI
25AQI
24AQI
22AQI
22AQI
21AQI
22AQI
22AQI
23AQI
20AQI
20AQI
20AQI
21AQI
21AQI
20AQI
22AQI
24AQI
26AQI
23AQI
24AQI
24AQI
23AQI
25AQI
29AQI
30AQI
30AQI
28AQI
27AQI
25AQI
29AQI
28AQI
29AQI
27AQI
29AQI
28AQI
25AQI
24AQI
23AQI
24AQI
25AQI
25AQI
30AQI
32AQI
26AQI
25AQI
22AQI
21AQI
22AQI
20AQI
24AQI
23AQI
24AQI
23AQI
24AQI
34AQI
35AQI
30AQI
27AQI
23AQI
26AQI
27AQI
23AQI
23AQI
24AQI
32AQI
22AQI
24AQI
23AQI
21AQI
25AQI
20AQI
21AQI
18AQI
22AQI
26AQI
27AQI
26AQI
22AQI
25AQI
23AQI
28AQI
21AQI
29AQI
26AQI
32AQI
29AQI
29AQI
27AQI
27AQI
25AQI
26AQI
24AQI
22AQI
25AQI
24AQI
27AQI
29AQI
32AQI
32AQI
27AQI
28AQI
28AQI
27AQI
34AQI
25AQI
27AQI
26AQI
33AQI
36AQI
41AQI
45AQI
44AQI
43AQI
40AQI
32AQI
26AQI
31AQI
31AQI
36AQI
40AQI
48AQI
47AQI
38AQI
38AQI
37AQI
37AQI
44AQI
41AQI
43AQI
40AQI
49AQI
43AQI
35AQI
36AQI
42AQI
44AQI
53AQI
51AQI
58AQI
61AQI
52AQI
52AQI
47AQI
46AQI
40AQI
47AQI
50AQI
52AQI
68AQI
52AQI
51AQI
39AQI
35AQI
30AQI
42AQI
51AQI
53AQI
46AQI
46AQI
60AQI
66AQI
73AQI
78AQI
76AQI
72AQI
73AQI
73AQI
86AQI
83AQI
90AQI
78AQI
74AQI
69AQI
69AQI
70AQI
67AQI
76AQI
73AQI
77AQI
67AQI
64AQI
61AQI
64AQI
62AQI
68AQI
70AQI
64AQI
64AQI
66AQI
63AQI
52AQI
52AQI
51AQI
52AQI
49AQI
44AQI
41AQI
49AQI
42AQI
42AQI
41AQI
54AQI
48AQI
51AQI
46AQI
36AQI
37AQI
25AQI
23AQI
25AQI
25AQI
30AQI
43AQI
62AQI
56AQI
25AQI
No. of days
202538AQI
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
January23AQI
202433AQI
Highest AQI recorded in
June56AQI
Lowest AQI recorded in
January20AQI
202332AQI
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
November20AQI
202232AQI
Highest AQI recorded in
August103AQI
Lowest AQI recorded in
November20AQI
202137AQI
Highest AQI recorded in
July62AQI
Lowest AQI recorded in
December19AQI
Most & Least Polluted Years Over the Last 5 Years
Timaru's annual 2025 AQI (38) shows an average percentage change of 13.4% (worsened AQI) compared to previous years: 2021 (37), 2022 (32), 2023 (32), 2024 (33).