Northcote, Auckland, 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
Northcote, Auckland, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 41 of Good air quality on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Northcote, Auckland, New Zealand
7 AM16th Aug 2026
5 PM
6 AM17th Aug 2026
52AQI
19AQI
58AQI
33AQI
In the last 24 hours,
Northcote's AQI reached its highest point of 58 at 12 AM during the Night, while the lowest point, 19, was recorded at 12 PM during the Day between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Northcote, Auckland, New Zealand
12°C10/15°C
11°C9/13°C
11°C8/14°C
11°C8/15°C
11°C9/14°C
11°C8/16°C
11°C9/12°C
9°C6/11°C
8°C5/13°C
9°C6/13°C
10°C7/14°C
12°C8/16°C
12°C9/14°C
10°C7/14°C
8°C4/12°C
12°C8/15°C
12°C7/15°C
7°C4/11°C
7°C4/12°C
8°C4/13°C
9°C5/13°C
12°C9/14°C
12°C9/16°C
11°C9/14°C
13°C12/13°C
14°C12/18°C
13°C11/16°C
13°C12/17°C
12°C7/15°C
22°C21/22°C
35AQI
23AQI
40AQI
29AQI
2026 Days Vs Air Quality
Northcote, Auckland, New Zealand
95%
214
5%
12
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 229 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
Northcote, Auckland, New Zealand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
25AQI (US)
14AQI (US)
15AQI (US)
16AQI (US)
21AQI (US)
23AQI (US)
20AQI (US)
19AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
33AQI (US)
30AQI (US)
29AQI (US)
23AQI (US)
30AQI (US)
58AQI (US)
52AQI (US)
18AQI (US)
16AQI (US)
26AQI (US)
29AQI (US)
34AQI (US)
30AQI (US)
23AQI (US)
18AQI (US)
21AQI (US)
20AQI (US)
18AQI (US)
33AQI (US)
17AQI (US)
17AQI (US)
18AQI (US)
22AQI (US)
18AQI (US)
31AQI (US)
28AQI (US)
22AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
21AQI (US)
17AQI (US)
26AQI (US)
21AQI (US)
20AQI (US)
28AQI (US)
16AQI (US)
22AQI (US)
31AQI (US)
41AQI (US)
35AQI (US)
38AQI (US)
30AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
24AQI (US)
21AQI (US)
27AQI (US)
17AQI (US)
29AQI (US)
28AQI (US)
23AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
33AQI (US)
37AQI (US)
29AQI (US)
23AQI (US)
28AQI (US)
35AQI (US)
43AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
23AQI (US)
16AQI (US)
30AQI (US)
19AQI (US)
18AQI (US)
40AQI (US)
28AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
25AQI (US)
17AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
20AQI (US)
31AQI (US)
24AQI (US)
49AQI (US)
43AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
16AQI (US)
83AQI (US)
52AQI (US)
25AQI (US)
42AQI (US)
34AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
34AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
42AQI (US)
44AQI (US)
27AQI (US)
28AQI (US)
24AQI (US)
21AQI (US)
19AQI (US)
50AQI (US)
46AQI (US)
29AQI (US)
40AQI (US)
62AQI (US)
67AQI (US)
58AQI (US)
59AQI (US)
70AQI (US)
50AQI (US)
37AQI (US)
64AQI (US)
57AQI (US)
55AQI (US)
32AQI (US)
24AQI (US)
26AQI (US)
29AQI (US)
25AQI (US)
19AQI (US)
28AQI (US)
28AQI (US)
12AQI (US)
24AQI (US)
19AQI (US)
31AQI (US)
31AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
41AQI (US)
36AQI (US)
24AQI (US)
33AQI (US)
21AQI (US)
21AQI (US)
29AQI (US)
16AQI (US)
29AQI (US)
14AQI (US)
16AQI (US)
41AQI (US)
34AQI (US)
44AQI (US)
19AQI (US)
38AQI (US)
33AQI (US)
37AQI (US)
33AQI (US)
32AQI (US)
37AQI (US)
25AQI (US)
27AQI (US)
18AQI (US)
15AQI (US)
11AQI (US)
13AQI (US)
17AQI (US)
22AQI (US)
33AQI (US)
38AQI (US)
50AQI (US)
19AQI (US)
18AQI (US)
29AQI (US)
23AQI (US)
18AQI (US)
49AQI (US)
45AQI (US)
46AQI (US)
41AQI (US)
39AQI (US)
35AQI (US)
27AQI (US)
33AQI (US)
33AQI (US)
46AQI (US)
26AQI (US)
33AQI (US)
23AQI (US)
17AQI (US)
29AQI (US)
48AQI (US)
26AQI (US)
18AQI (US)
39AQI (US)
33AQI (US)
40AQI (US)
44AQI (US)
28AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
32AQI (US)
35AQI (US)
28AQI (US)
38AQI (US)
41AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
40AQI (US)
28AQI (US)
29AQI (US)
32AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
February26AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
October39AQI (US)
Lowest AQI (US) recorded in
March20AQI (US)
202429AQI (US)
Highest AQI (US) recorded in
June54AQI (US)
Lowest AQI (US) recorded in
March22AQI (US)
202321AQI (US)
Highest AQI (US) recorded in
August34AQI (US)
Lowest AQI (US) recorded in
January10AQI (US)
202214AQI (US)
Highest AQI (US) recorded in
January24AQI (US)
Lowest AQI (US) recorded in
December10AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
July37AQI (US)
Lowest AQI (US) recorded in
October15AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Northcote's annual 2026 AQI (US) (30) shows an average percentage change of 38.3% (worsened AQI (US)) compared to previous years: 2021 (25), 2022 (14), 2023 (21), 2024 (29), 2025 (27).