Hamilton Claudelands, Hamilton, Waikato, New Zealand Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Hamilton Claudelands, Hamilton, Waikato, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Hamilton Claudelands, Hamilton, Waikato, New Zealand
6 AM23rd Sep 2025
6 PM
5 AM24th Sep 2025
27AQI
20AQI
25AQI
22AQI
In the last 24 hours,
Hamilton Claudelands's AQI reached its highest point of 27 at 9 AM during the Day, while the lowest point, 20, was recorded at 5 PM during the Day between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hamilton Claudelands, Hamilton, Waikato, New Zealand
9°C5/14°C
10°C6/15°C
10°C5/17°C
11°C5/16°C
11°C9/14°C
11°C8/15°C
11°C9/13°C
12°C10/15°C
11°C8/15°C
9°C5/15°C
10°C4/15°C
11°C6/17°C
10°C7/12°C
10°C6/14°C
8°C2/14°C
7°C1/13°C
12°C7/16°C
10°C7/14°C
9°C7/13°C
11°C9/14°C
12°C9/15°C
11°C7/16°C
13°C10/17°C
13°C11/17°C
13°C9/15°C
10°C4/15°C
8°C2/15°C
10°C5/15°C
13°C12/16°C
13°C11/15°C
--°C/°C
26AQI
22AQI
27AQI
25AQI
2025 Days Vs Air Quality
Hamilton Claudelands, Hamilton, Waikato, New Zealand
98%
261
2%
5
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 267 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
Hamilton Claudelands, Hamilton, Waikato, New Zealand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
39AQI
32AQI
38AQI
33AQI
29AQI
27AQI
24AQI
22AQI
21AQI
22AQI
21AQI
20AQI
23AQI
20AQI
22AQI
19AQI
25AQI
21AQI
20AQI
19AQI
21AQI
19AQI
23AQI
21AQI
23AQI
21AQI
28AQI
25AQI
27AQI
22AQI
23AQI
22AQI
21AQI
28AQI
29AQI
28AQI
26AQI
26AQI
27AQI
24AQI
26AQI
24AQI
21AQI
23AQI
23AQI
23AQI
23AQI
24AQI
27AQI
23AQI
27AQI
22AQI
24AQI
21AQI
23AQI
21AQI
20AQI
21AQI
21AQI
22AQI
20AQI
22AQI
20AQI
29AQI
27AQI
27AQI
25AQI
22AQI
20AQI
21AQI
23AQI
24AQI
26AQI
24AQI
23AQI
21AQI
24AQI
25AQI
22AQI
22AQI
21AQI
21AQI
22AQI
24AQI
23AQI
21AQI
22AQI
22AQI
22AQI
26AQI
24AQI
24AQI
22AQI
22AQI
21AQI
22AQI
24AQI
23AQI
25AQI
28AQI
23AQI
26AQI
23AQI
26AQI
24AQI
22AQI
23AQI
22AQI
26AQI
24AQI
18AQI
18AQI
19AQI
26AQI
24AQI
24AQI
22AQI
21AQI
24AQI
19AQI
20AQI
19AQI
20AQI
21AQI
30AQI
37AQI
35AQI
34AQI
28AQI
28AQI
32AQI
33AQI
34AQI
31AQI
32AQI
32AQI
26AQI
23AQI
24AQI
24AQI
31AQI
35AQI
35AQI
33AQI
33AQI
23AQI
30AQI
23AQI
29AQI
26AQI
27AQI
29AQI
28AQI
25AQI
25AQI
27AQI
22AQI
21AQI
27AQI
33AQI
37AQI
37AQI
34AQI
36AQI
42AQI
46AQI
40AQI
47AQI
49AQI
41AQI
39AQI
41AQI
52AQI
50AQI
55AQI
54AQI
51AQI
44AQI
45AQI
47AQI
45AQI
51AQI
50AQI
37AQI
42AQI
39AQI
38AQI
42AQI
42AQI
39AQI
34AQI
32AQI
35AQI
33AQI
35AQI
32AQI
36AQI
32AQI
33AQI
38AQI
39AQI
40AQI
38AQI
40AQI
41AQI
40AQI
38AQI
34AQI
34AQI
32AQI
31AQI
32AQI
23AQI
28AQI
29AQI
31AQI
28AQI
31AQI
29AQI
29AQI
28AQI
29AQI
27AQI
26AQI
29AQI
32AQI
25AQI
29AQI
25AQI
24AQI
22AQI
23AQI
21AQI
21AQI
24AQI
26AQI
31AQI
26AQI
26AQI
22AQI
19AQI
25AQI
24AQI
23AQI
22AQI
23AQI
24AQI
32AQI
25AQI
25AQI
25AQI
25AQI
27AQI
28AQI
24AQI
25AQI
23AQI
24AQI
25AQI
23AQI
35AQI
30AQI
28AQI
26AQI
27AQI
24AQI
24AQI
24AQI
23AQI
23AQI
29AQI
39AQI
37AQI
26AQI
26AQI
No. of days
202528AQI
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
April23AQI
202427AQI
Highest AQI recorded in
June56AQI
Lowest AQI recorded in
March11AQI
202327AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
November15AQI
202213AQI
Highest AQI recorded in
August17AQI
Lowest AQI recorded in
February9AQI
20219AQI
Highest AQI recorded in
July9AQI
Lowest AQI recorded in
July9AQI
Most & Least Polluted Years Over the Last 5 Years
Hamilton Claudelands's annual 2025 AQI (28) shows an average percentage change of 83.4% (worsened AQI) compared to previous years: 2021 (9), 2022 (13), 2023 (27), 2024 (27).