Masterton, 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
Masterton, Wellington, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Masterton, Wellington, New Zealand
7 AM14th Aug 2026
5 PM
6 AM15th Aug 2026
29AQI
21AQI
37AQI
17AQI
In the last 24 hours,
Masterton's AQI reached its highest point of 37 at 11 PM during the Night, while the lowest point, 17, was recorded at 6 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Masterton, Wellington, New Zealand
7°C3/14°C
6°C3/13°C
6°C2/12°C
4°C1/10°C
5°C0/11°C
5°C1/12°C
7°C1/13°C
9°C7/12°C
7°C5/9°C
2°C-2/8°C
2°C-2/9°C
3°C-2/10°C
4°C0/13°C
7°C3/12°C
9°C6/11°C
4°C0/7°C
4°C-2/12°C
6°C1/13°C
4°C2/7°C
3°C-1/7°C
3°C-2/9°C
4°C-2/11°C
8°C4/13°C
8°C5/13°C
9°C4/14°C
8°C4/11°C
8°C4/13°C
9°C5/14°C
10°C6/15°C
11°C10/12°C
44AQI
26AQI
55AQI
30AQI
2026 Days Vs Air Quality
Masterton, Wellington, New Zealand
92%
205
8%
18
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 227 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
Masterton, Wellington, New Zealand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI (US)
14AQI (US)
12AQI (US)
19AQI (US)
28AQI (US)
22AQI (US)
32AQI (US)
24AQI (US)
30AQI (US)
21AQI (US)
29AQI (US)
26AQI (US)
32AQI (US)
29AQI (US)
26AQI (US)
18AQI (US)
12AQI (US)
18AQI (US)
23AQI (US)
27AQI (US)
16AQI (US)
16AQI (US)
14AQI (US)
12AQI (US)
32AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
26AQI (US)
22AQI (US)
23AQI (US)
28AQI (US)
28AQI (US)
16AQI (US)
20AQI (US)
19AQI (US)
25AQI (US)
20AQI (US)
32AQI (US)
24AQI (US)
22AQI (US)
32AQI (US)
37AQI (US)
27AQI (US)
22AQI (US)
19AQI (US)
20AQI (US)
26AQI (US)
23AQI (US)
30AQI (US)
22AQI (US)
22AQI (US)
27AQI (US)
37AQI (US)
48AQI (US)
33AQI (US)
34AQI (US)
26AQI (US)
20AQI (US)
23AQI (US)
29AQI (US)
25AQI (US)
29AQI (US)
27AQI (US)
21AQI (US)
24AQI (US)
31AQI (US)
27AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
20AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
18AQI (US)
18AQI (US)
24AQI (US)
28AQI (US)
41AQI (US)
50AQI (US)
21AQI (US)
34AQI (US)
35AQI (US)
27AQI (US)
22AQI (US)
30AQI (US)
24AQI (US)
35AQI (US)
26AQI (US)
38AQI (US)
20AQI (US)
21AQI (US)
40AQI (US)
33AQI (US)
28AQI (US)
23AQI (US)
42AQI (US)
26AQI (US)
30AQI (US)
22AQI (US)
17AQI (US)
20AQI (US)
23AQI (US)
18AQI (US)
20AQI (US)
34AQI (US)
35AQI (US)
33AQI (US)
34AQI (US)
33AQI (US)
34AQI (US)
40AQI (US)
30AQI (US)
37AQI (US)
37AQI (US)
41AQI (US)
38AQI (US)
48AQI (US)
42AQI (US)
31AQI (US)
22AQI (US)
30AQI (US)
19AQI (US)
49AQI (US)
48AQI (US)
35AQI (US)
44AQI (US)
62AQI (US)
67AQI (US)
57AQI (US)
60AQI (US)
70AQI (US)
50AQI (US)
36AQI (US)
64AQI (US)
56AQI (US)
55AQI (US)
32AQI (US)
31AQI (US)
37AQI (US)
46AQI (US)
32AQI (US)
20AQI (US)
24AQI (US)
29AQI (US)
11AQI (US)
23AQI (US)
24AQI (US)
36AQI (US)
30AQI (US)
36AQI (US)
26AQI (US)
33AQI (US)
44AQI (US)
36AQI (US)
29AQI (US)
26AQI (US)
32AQI (US)
23AQI (US)
34AQI (US)
24AQI (US)
42AQI (US)
9AQI (US)
28AQI (US)
50AQI (US)
46AQI (US)
56AQI (US)
16AQI (US)
39AQI (US)
46AQI (US)
44AQI (US)
34AQI (US)
34AQI (US)
45AQI (US)
42AQI (US)
41AQI (US)
18AQI (US)
14AQI (US)
10AQI (US)
8AQI (US)
22AQI (US)
20AQI (US)
31AQI (US)
40AQI (US)
58AQI (US)
32AQI (US)
22AQI (US)
38AQI (US)
32AQI (US)
36AQI (US)
66AQI (US)
55AQI (US)
51AQI (US)
49AQI (US)
55AQI (US)
50AQI (US)
27AQI (US)
34AQI (US)
44AQI (US)
52AQI (US)
52AQI (US)
46AQI (US)
46AQI (US)
22AQI (US)
28AQI (US)
50AQI (US)
48AQI (US)
21AQI (US)
34AQI (US)
47AQI (US)
56AQI (US)
54AQI (US)
34AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
36AQI (US)
28AQI (US)
22AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
43AQI (US)
32AQI (US)
37AQI (US)
37AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
May43AQI (US)
Lowest AQI (US) recorded in
January22AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
June51AQI (US)
Lowest AQI (US) recorded in
March22AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
June56AQI (US)
Lowest AQI (US) recorded in
April17AQI (US)
202327AQI (US)
Highest AQI (US) recorded in
April36AQI (US)
Lowest AQI (US) recorded in
December22AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
August93AQI (US)
Lowest AQI (US) recorded in
February18AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
July62AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Masterton's annual 2026 AQI (US) (31) shows an average percentage change of -5.2% (improved AQI (US)) compared to previous years: 2021 (42), 2022 (34), 2023 (27), 2024 (32), 2025 (32).