Birch Lane, Lower Hutt, Wellington, 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
Birch Lane, Lower Hutt, Wellington, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 30 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Birch Lane, Lower Hutt, Wellington, New Zealand
7 AM6th Aug 2025
5 PM
6 AM7th Aug 2025
AQI
AQI
83AQI
18AQI
In the last 24 hours,
Birch Lane's AQI reached its highest point of 83 at 9 PM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Birch Lane, Lower Hutt, Wellington, New Zealand
6°C2/11°C
8°C4/11°C
11°C8/14°C
12°C11/13°C
11°C9/13°C
10°C9/12°C
10°C7/12°C
10°C8/13°C
9°C6/13°C
9°C7/12°C
7°C4/11°C
7°C5/11°C
7°C4/11°C
6°C2/11°C
6°C2/11°C
6°C3/11°C
7°C3/12°C
7°C4/13°C
7°C4/13°C
9°C6/13°C
10°C8/13°C
11°C8/14°C
11°C8/13°C
7°C5/9°C
6°C3/9°C
6°C2/12°C
7°C5/9°C
6°C4/11°C
7°C4/13°C
--°C/°C
--°C/°C
42AQI
23AQI
56AQI
39AQI
2025 Days Vs Air Quality
Birch Lane, Lower Hutt, Wellington, New Zealand
88%
191
12%
26
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 218 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
Birch Lane, Lower Hutt, Wellington, New Zealand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
29AQI
25AQI
22AQI
28AQI
23AQI
22AQI
21AQI
22AQI
22AQI
21AQI
21AQI
23AQI
22AQI
21AQI
19AQI
21AQI
19AQI
21AQI
19AQI
20AQI
20AQI
25AQI
23AQI
24AQI
22AQI
27AQI
25AQI
26AQI
25AQI
25AQI
25AQI
23AQI
23AQI
27AQI
25AQI
25AQI
29AQI
26AQI
28AQI
26AQI
33AQI
23AQI
29AQI
28AQI
29AQI
26AQI
23AQI
26AQI
23AQI
24AQI
22AQI
22AQI
22AQI
22AQI
22AQI
21AQI
21AQI
23AQI
23AQI
22AQI
21AQI
21AQI
20AQI
20AQI
23AQI
23AQI
21AQI
21AQI
22AQI
22AQI
22AQI
24AQI
22AQI
22AQI
20AQI
20AQI
20AQI
21AQI
20AQI
22AQI
21AQI
22AQI
21AQI
22AQI
22AQI
22AQI
22AQI
21AQI
24AQI
26AQI
27AQI
23AQI
24AQI
25AQI
22AQI
23AQI
22AQI
22AQI
23AQI
25AQI
23AQI
25AQI
24AQI
24AQI
23AQI
25AQI
24AQI
22AQI
19AQI
17AQI
21AQI
24AQI
32AQI
32AQI
32AQI
33AQI
32AQI
30AQI
29AQI
28AQI
26AQI
33AQI
33AQI
36AQI
30AQI
34AQI
31AQI
27AQI
31AQI
39AQI
37AQI
37AQI
38AQI
34AQI
36AQI
34AQI
30AQI
39AQI
32AQI
38AQI
40AQI
48AQI
47AQI
42AQI
40AQI
44AQI
40AQI
38AQI
37AQI
31AQI
39AQI
33AQI
36AQI
28AQI
33AQI
28AQI
31AQI
45AQI
40AQI
49AQI
46AQI
49AQI
47AQI
55AQI
70AQI
65AQI
67AQI
68AQI
61AQI
59AQI
57AQI
61AQI
61AQI
69AQI
61AQI
58AQI
59AQI
60AQI
57AQI
57AQI
62AQI
59AQI
59AQI
54AQI
51AQI
53AQI
56AQI
58AQI
55AQI
50AQI
50AQI
49AQI
50AQI
49AQI
49AQI
47AQI
47AQI
47AQI
45AQI
44AQI
42AQI
43AQI
45AQI
44AQI
46AQI
46AQI
40AQI
43AQI
37AQI
39AQI
40AQI
26AQI
33AQI
33AQI
31AQI
30AQI
23AQI
25AQI
22AQI
25AQI
36AQI
52AQI
48AQI
31AQI
No. of days
202533AQI
Highest AQI recorded in
June52AQI
Lowest AQI recorded in
March22AQI
202433AQI
Highest AQI recorded in
June57AQI
Lowest AQI recorded in
April13AQI
202323AQI
Highest AQI recorded in
May25AQI
Lowest AQI recorded in
February22AQI
202226AQI
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
August14AQI
202128AQI
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
October21AQI
Most & Least Polluted Years Over the Last 5 Years
Birch Lane's annual 2025 AQI (33) shows an average percentage change of 20.4% (worsened AQI) compared to previous years: 2021 (28), 2022 (26), 2023 (23), 2024 (33).