Nelson, Nelson, 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
Nelson, Nelson, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (16th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 23 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Aug - 17th Aug 2025
Nelson, Nelson, New Zealand
7 AM16th Aug 2025
5 PM
6 AM17th Aug 2025
33AQI
13AQI
38AQI
18AQI
In the last 24 hours,
Nelson's AQI reached its highest point of 38 at 10 PM during the Night, while the lowest point, 13, was recorded at 4 PM during the Day between 16th Aug and 17th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Nelson, Nelson, New Zealand
7°C1/11°C
6°C1/12°C
5°C2/10°C
5°C1/10°C
6°C2/11°C
5°C1/11°C
5°C1/12°C
5°C2/12°C
6°C2/12°C
7°C3/12°C
8°C6/12°C
11°C8/13°C
10°C6/14°C
8°C5/10°C
8°C3/11°C
6°C1/13°C
6°C2/10°C
6°C2/10°C
7°C4/12°C
7°C4/12°C
6°C2/10°C
9°C5/13°C
7°C3/11°C
6°C3/10°C
5°C2/10°C
6°C2/11°C
5°C2/10°C
5°C0/12°C
6°C1/13°C
6°C2/11°C
--°C/°C
34AQI
24AQI
53AQI
25AQI
2025 Days Vs Air Quality
Nelson, Nelson, New Zealand
83%
190
17%
38
Total number of days with different AQI categories in last 229 days in 2025 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 229 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
Nelson, Nelson, New Zealand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
23AQI
25AQI
21AQI
22AQI
22AQI
23AQI
22AQI
21AQI
23AQI
21AQI
21AQI
22AQI
21AQI
21AQI
19AQI
21AQI
20AQI
21AQI
19AQI
22AQI
21AQI
25AQI
25AQI
26AQI
25AQI
28AQI
27AQI
29AQI
25AQI
26AQI
27AQI
24AQI
25AQI
24AQI
23AQI
24AQI
25AQI
25AQI
28AQI
27AQI
41AQI
28AQI
35AQI
27AQI
32AQI
29AQI
32AQI
29AQI
28AQI
26AQI
27AQI
26AQI
24AQI
26AQI
23AQI
22AQI
22AQI
25AQI
24AQI
24AQI
26AQI
24AQI
22AQI
23AQI
24AQI
24AQI
23AQI
23AQI
24AQI
23AQI
22AQI
23AQI
22AQI
23AQI
21AQI
22AQI
21AQI
21AQI
22AQI
22AQI
21AQI
23AQI
22AQI
22AQI
25AQI
24AQI
23AQI
22AQI
24AQI
25AQI
24AQI
22AQI
24AQI
24AQI
23AQI
22AQI
22AQI
24AQI
24AQI
24AQI
23AQI
26AQI
27AQI
23AQI
23AQI
25AQI
24AQI
24AQI
21AQI
20AQI
19AQI
23AQI
27AQI
33AQI
33AQI
35AQI
31AQI
32AQI
29AQI
28AQI
31AQI
33AQI
34AQI
33AQI
32AQI
34AQI
31AQI
28AQI
33AQI
32AQI
38AQI
34AQI
40AQI
39AQI
39AQI
39AQI
32AQI
36AQI
34AQI
38AQI
37AQI
49AQI
47AQI
48AQI
48AQI
48AQI
46AQI
46AQI
43AQI
36AQI
40AQI
35AQI
39AQI
36AQI
40AQI
40AQI
43AQI
50AQI
55AQI
68AQI
56AQI
61AQI
63AQI
65AQI
78AQI
81AQI
88AQI
88AQI
80AQI
75AQI
73AQI
84AQI
77AQI
86AQI
82AQI
75AQI
68AQI
70AQI
69AQI
71AQI
72AQI
69AQI
69AQI
67AQI
64AQI
62AQI
64AQI
66AQI
66AQI
61AQI
57AQI
62AQI
59AQI
56AQI
50AQI
50AQI
51AQI
50AQI
47AQI
47AQI
39AQI
43AQI
43AQI
41AQI
49AQI
54AQI
44AQI
46AQI
35AQI
40AQI
38AQI
26AQI
31AQI
34AQI
30AQI
29AQI
33AQI
29AQI
30AQI
30AQI
35AQI
30AQI
26AQI
28AQI
27AQI
24AQI
23AQI
23AQI
27AQI
23AQI
25AQI
38AQI
65AQI
54AQI
29AQI
No. of days
202536AQI
Highest AQI recorded in
June65AQI
Lowest AQI recorded in
March23AQI
202423AQI
Highest AQI recorded in
June34AQI
Lowest AQI recorded in
January17AQI
202325AQI
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
January11AQI
202214AQI
Highest AQI recorded in
August28AQI
Lowest AQI recorded in
January10AQI
202115AQI
Highest AQI recorded in
July22AQI
Lowest AQI recorded in
October10AQI
Most & Least Polluted Years Over the Last 5 Years
Nelson's annual 2025 AQI (36) shows an average percentage change of 98.7% (worsened AQI) compared to previous years: 2021 (15), 2022 (14), 2023 (25), 2024 (23).