Blenheim, Marlborough, 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
Blenheim, Marlborough, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Blenheim, Marlborough, New Zealand
7 AM17th Aug 2026
5 PM
6 AM18th Aug 2026
55AQI
17AQI
62AQI
12AQI
In the last 24 hours,
Blenheim's AQI reached its highest point of 62 at 10 PM during the Night, while the lowest point, 12, was recorded at 6 AM during the Night between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Blenheim, Marlborough, New Zealand
7°C4/11°C
6°C2/13°C
6°C3/12°C
7°C3/15°C
11°C6/15°C
7°C5/9°C
4°C1/9°C
4°C0/10°C
5°C1/11°C
6°C2/13°C
9°C4/14°C
8°C3/12°C
5°C0/10°C
5°C1/13°C
7°C2/15°C
5°C-1/9°C
3°C-1/9°C
3°C-1/9°C
5°C0/11°C
9°C5/14°C
10°C6/15°C
8°C4/13°C
7°C4/11°C
10°C7/14°C
10°C8/12°C
9°C7/14°C
10°C6/14°C
7°C5/10°C
17°C16/17°C
7°C3/12°C
49AQI
27AQI
57AQI
32AQI
2026 Days Vs Air Quality
Blenheim, Marlborough, New Zealand
85%
192
15%
34
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 230 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
Blenheim, Marlborough, New Zealand
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
14AQI (US)
13AQI (US)
12AQI (US)
18AQI (US)
23AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
29AQI (US)
21AQI (US)
26AQI (US)
18AQI (US)
18AQI (US)
11AQI (US)
17AQI (US)
19AQI (US)
24AQI (US)
16AQI (US)
18AQI (US)
36AQI (US)
26AQI (US)
31AQI (US)
31AQI (US)
22AQI (US)
16AQI (US)
15AQI (US)
23AQI (US)
21AQI (US)
32AQI (US)
20AQI (US)
13AQI (US)
24AQI (US)
17AQI (US)
18AQI (US)
16AQI (US)
28AQI (US)
21AQI (US)
22AQI (US)
40AQI (US)
29AQI (US)
26AQI (US)
33AQI (US)
35AQI (US)
21AQI (US)
31AQI (US)
17AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
30AQI (US)
39AQI (US)
38AQI (US)
38AQI (US)
29AQI (US)
24AQI (US)
35AQI (US)
28AQI (US)
47AQI (US)
30AQI (US)
22AQI (US)
24AQI (US)
20AQI (US)
19AQI (US)
34AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
17AQI (US)
16AQI (US)
24AQI (US)
25AQI (US)
32AQI (US)
27AQI (US)
27AQI (US)
19AQI (US)
31AQI (US)
15AQI (US)
13AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
24AQI (US)
20AQI (US)
26AQI (US)
17AQI (US)
14AQI (US)
26AQI (US)
24AQI (US)
15AQI (US)
18AQI (US)
18AQI (US)
17AQI (US)
30AQI (US)
17AQI (US)
18AQI (US)
36AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
30AQI (US)
22AQI (US)
31AQI (US)
25AQI (US)
34AQI (US)
34AQI (US)
36AQI (US)
22AQI (US)
26AQI (US)
22AQI (US)
33AQI (US)
18AQI (US)
39AQI (US)
37AQI (US)
39AQI (US)
46AQI (US)
63AQI (US)
67AQI (US)
58AQI (US)
60AQI (US)
70AQI (US)
50AQI (US)
34AQI (US)
65AQI (US)
57AQI (US)
56AQI (US)
32AQI (US)
37AQI (US)
47AQI (US)
56AQI (US)
50AQI (US)
31AQI (US)
29AQI (US)
33AQI (US)
15AQI (US)
27AQI (US)
34AQI (US)
39AQI (US)
35AQI (US)
47AQI (US)
31AQI (US)
39AQI (US)
51AQI (US)
41AQI (US)
40AQI (US)
32AQI (US)
40AQI (US)
24AQI (US)
32AQI (US)
39AQI (US)
58AQI (US)
13AQI (US)
29AQI (US)
52AQI (US)
54AQI (US)
65AQI (US)
20AQI (US)
41AQI (US)
57AQI (US)
47AQI (US)
37AQI (US)
41AQI (US)
58AQI (US)
61AQI (US)
67AQI (US)
34AQI (US)
17AQI (US)
11AQI (US)
9AQI (US)
25AQI (US)
23AQI (US)
41AQI (US)
44AQI (US)
60AQI (US)
43AQI (US)
26AQI (US)
44AQI (US)
42AQI (US)
55AQI (US)
69AQI (US)
55AQI (US)
55AQI (US)
55AQI (US)
67AQI (US)
60AQI (US)
30AQI (US)
35AQI (US)
49AQI (US)
58AQI (US)
57AQI (US)
58AQI (US)
60AQI (US)
23AQI (US)
31AQI (US)
53AQI (US)
57AQI (US)
25AQI (US)
35AQI (US)
50AQI (US)
64AQI (US)
61AQI (US)
40AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
41AQI (US)
29AQI (US)
25AQI (US)
29AQI (US)
38AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
43AQI (US)
38AQI (US)
45AQI (US)
39AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
July45AQI (US)
Lowest AQI (US) recorded in
January22AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
June63AQI (US)
Lowest AQI (US) recorded in
December22AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
July66AQI (US)
Lowest AQI (US) recorded in
October21AQI (US)
202328AQI (US)
Highest AQI (US) recorded in
July62AQI (US)
Lowest AQI (US) recorded in
March8AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
June68AQI (US)
Lowest AQI (US) recorded in
January21AQI (US)
202143AQI (US)
Highest AQI (US) recorded in
June71AQI (US)
Lowest AQI (US) recorded in
December13AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Blenheim's annual 2026 AQI (US) (33) shows an average percentage change of -4.9% (improved AQI (US)) compared to previous years: 2021 (43), 2022 (37), 2023 (28), 2024 (35), 2025 (34).