Glen Eden, Waitakere, Auckland, 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
Glen Eden, Waitakere, Auckland, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (30th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 15 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Glen Eden, Waitakere, Auckland, New Zealand
6 AM30th Sep 2025
6 PM
5 AM1st Oct 2025
AQI
AQI
47AQI
16AQI
In the last 24 hours,
Glen Eden's AQI reached its highest point of 47 at 11 PM during the Night, while the lowest point, 16, was recorded at 6 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Glen Eden, Waitakere, Auckland, New Zealand
13°C11/15°C
13°C12/15°C
12°C9/15°C
12°C9/16°C
12°C9/17°C
12°C11/13°C
12°C11/14°C
10°C6/14°C
11°C7/13°C
14°C12/17°C
12°C9/14°C
12°C10/14°C
12°C11/14°C
13°C12/14°C
13°C12/15°C
14°C12/16°C
14°C13/16°C
14°C12/16°C
12°C9/15°C
11°C7/15°C
14°C11/17°C
14°C13/16°C
15°C14/17°C
15°C13/17°C
13°C12/16°C
13°C10/16°C
14°C11/17°C
15°C12/18°C
15°C12/18°C
--°C/°C
--°C/°C
25AQI
22AQI
28AQI
24AQI
2025 Days Vs Air Quality
Glen Eden, Waitakere, Auckland, New Zealand
100%
272
0.3%
1
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 273 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
Glen Eden, Waitakere, Auckland, New Zealand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
27AQI
27AQI
25AQI
26AQI
25AQI
24AQI
24AQI
24AQI
24AQI
22AQI
23AQI
23AQI
25AQI
23AQI
22AQI
22AQI
22AQI
22AQI
21AQI
22AQI
22AQI
23AQI
23AQI
24AQI
23AQI
26AQI
26AQI
27AQI
26AQI
26AQI
25AQI
25AQI
25AQI
25AQI
26AQI
24AQI
25AQI
25AQI
25AQI
27AQI
26AQI
26AQI
26AQI
25AQI
27AQI
26AQI
26AQI
25AQI
23AQI
22AQI
21AQI
22AQI
23AQI
23AQI
22AQI
22AQI
21AQI
21AQI
23AQI
22AQI
22AQI
21AQI
21AQI
21AQI
21AQI
22AQI
22AQI
21AQI
22AQI
22AQI
22AQI
23AQI
22AQI
22AQI
22AQI
22AQI
22AQI
22AQI
21AQI
20AQI
21AQI
21AQI
21AQI
22AQI
22AQI
22AQI
22AQI
21AQI
23AQI
22AQI
23AQI
23AQI
22AQI
23AQI
22AQI
23AQI
22AQI
21AQI
21AQI
21AQI
21AQI
21AQI
24AQI
23AQI
24AQI
24AQI
24AQI
25AQI
25AQI
25AQI
24AQI
24AQI
24AQI
24AQI
24AQI
23AQI
23AQI
23AQI
22AQI
22AQI
21AQI
20AQI
19AQI
20AQI
21AQI
21AQI
22AQI
21AQI
21AQI
22AQI
23AQI
21AQI
20AQI
21AQI
22AQI
24AQI
20AQI
21AQI
20AQI
20AQI
20AQI
20AQI
20AQI
21AQI
22AQI
23AQI
23AQI
25AQI
24AQI
25AQI
23AQI
24AQI
23AQI
23AQI
23AQI
21AQI
20AQI
19AQI
25AQI
28AQI
27AQI
26AQI
24AQI
24AQI
27AQI
29AQI
30AQI
32AQI
30AQI
31AQI
33AQI
44AQI
41AQI
41AQI
39AQI
37AQI
36AQI
37AQI
38AQI
35AQI
34AQI
33AQI
33AQI
30AQI
30AQI
29AQI
28AQI
27AQI
28AQI
26AQI
27AQI
28AQI
27AQI
27AQI
30AQI
31AQI
31AQI
32AQI
36AQI
35AQI
35AQI
33AQI
34AQI
33AQI
31AQI
32AQI
30AQI
34AQI
32AQI
30AQI
31AQI
22AQI
23AQI
28AQI
26AQI
28AQI
25AQI
27AQI
26AQI
25AQI
27AQI
23AQI
24AQI
25AQI
24AQI
22AQI
20AQI
22AQI
21AQI
21AQI
19AQI
18AQI
18AQI
19AQI
23AQI
22AQI
24AQI
22AQI
19AQI
17AQI
22AQI
20AQI
20AQI
19AQI
19AQI
22AQI
27AQI
21AQI
24AQI
23AQI
23AQI
26AQI
20AQI
20AQI
20AQI
21AQI
22AQI
24AQI
21AQI
23AQI
24AQI
22AQI
23AQI
22AQI
24AQI
21AQI
27AQI
37AQI
36AQI
53AQI
50AQI
15AQI
24AQI
24AQI
22AQI
23AQI
21AQI
30AQI
31AQI
23AQI
25AQI
No. of days
202525AQI
Highest AQI recorded in
July31AQI
Lowest AQI recorded in
May21AQI
202418AQI
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
March10AQI
202313AQI
Highest AQI recorded in
October21AQI
Lowest AQI recorded in
January9AQI
202210AQI
Highest AQI recorded in
June14AQI
Lowest AQI recorded in
December9AQI
202112AQI
Highest AQI recorded in
June17AQI
Lowest AQI recorded in
April8AQI
Most & Least Polluted Years Over the Last 5 Years
Glen Eden's annual 2025 AQI (25) shows an average percentage change of 96.3% (worsened AQI) compared to previous years: 2021 (12), 2022 (10), 2023 (13), 2024 (18).