Geraldine, 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
Geraldine, Timaru, Canterbury, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 32 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Geraldine, Timaru, Canterbury, New Zealand
8 AM6th Aug 2025
5 PM
7 AM7th Aug 2025
32AQI
20AQI
72AQI
22AQI
In the last 24 hours,
Geraldine's AQI reached its highest point of 72 at 8 PM during the Night, while the lowest point, 20, was recorded at 5 PM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Geraldine, Timaru, Canterbury, New Zealand
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
5°C2/10°C
5°C2/9°C
4°C1/9°C
5°C2/9°C
7°C4/11°C
--°C/°C
45AQI
23AQI
63AQI
45AQI
2025 Days Vs Air Quality
Geraldine, Timaru, Canterbury, New Zealand
81%
176
19%
42
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 219 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
Geraldine, Timaru, Canterbury, New Zealand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
23AQI
26AQI
22AQI
27AQI
21AQI
27AQI
24AQI
23AQI
22AQI
21AQI
22AQI
21AQI
24AQI
20AQI
21AQI
21AQI
21AQI
21AQI
21AQI
23AQI
24AQI
27AQI
23AQI
24AQI
24AQI
23AQI
23AQI
27AQI
29AQI
30AQI
27AQI
25AQI
25AQI
29AQI
28AQI
29AQI
27AQI
28AQI
27AQI
26AQI
25AQI
24AQI
24AQI
25AQI
23AQI
27AQI
31AQI
24AQI
25AQI
21AQI
21AQI
21AQI
21AQI
27AQI
23AQI
26AQI
24AQI
24AQI
36AQI
36AQI
32AQI
29AQI
24AQI
26AQI
29AQI
22AQI
23AQI
24AQI
30AQI
21AQI
23AQI
21AQI
22AQI
24AQI
18AQI
22AQI
17AQI
22AQI
25AQI
28AQI
26AQI
22AQI
23AQI
23AQI
29AQI
20AQI
30AQI
25AQI
32AQI
29AQI
27AQI
25AQI
25AQI
27AQI
24AQI
21AQI
25AQI
27AQI
27AQI
27AQI
27AQI
31AQI
29AQI
27AQI
27AQI
26AQI
25AQI
32AQI
23AQI
30AQI
23AQI
35AQI
35AQI
41AQI
48AQI
42AQI
42AQI
35AQI
33AQI
23AQI
30AQI
32AQI
35AQI
41AQI
49AQI
40AQI
31AQI
31AQI
33AQI
36AQI
43AQI
38AQI
42AQI
35AQI
44AQI
38AQI
36AQI
37AQI
43AQI
41AQI
53AQI
48AQI
59AQI
49AQI
49AQI
53AQI
46AQI
43AQI
40AQI
47AQI
53AQI
51AQI
71AQI
50AQI
49AQI
39AQI
36AQI
30AQI
40AQI
51AQI
55AQI
47AQI
46AQI
61AQI
64AQI
71AQI
78AQI
74AQI
72AQI
71AQI
71AQI
84AQI
85AQI
96AQI
77AQI
75AQI
70AQI
69AQI
71AQI
66AQI
75AQI
71AQI
68AQI
67AQI
65AQI
60AQI
64AQI
61AQI
65AQI
68AQI
63AQI
59AQI
61AQI
62AQI
50AQI
51AQI
51AQI
50AQI
50AQI
43AQI
40AQI
47AQI
39AQI
39AQI
40AQI
52AQI
47AQI
49AQI
41AQI
37AQI
40AQI
28AQI
36AQI
36AQI
37AQI
32AQI
32AQI
24AQI
25AQI
25AQI
30AQI
41AQI
62AQI
54AQI
34AQI
No. of days
202537AQI
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
January24AQI
202432AQI
Highest AQI recorded in
June55AQI
Lowest AQI recorded in
January19AQI
202330AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
October19AQI
202230AQI
Highest AQI recorded in
August84AQI
Lowest AQI recorded in
December20AQI
202136AQI
Highest AQI recorded in
April61AQI
Lowest AQI recorded in
December21AQI
Most & Least Polluted Years Over the Last 5 Years
Geraldine's annual 2025 AQI (37) shows an average percentage change of 16.6% (worsened AQI) compared to previous years: 2021 (36), 2022 (30), 2023 (30), 2024 (32).