Napier, Hawkes Bay, 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
Napier, Hawkes Bay, New Zealand
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 22 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Napier, Hawkes Bay, New Zealand
7 AM2nd Aug 2025
5 PM
6 AM3rd Aug 2025
AQI
AQI
58AQI
16AQI
In the last 24 hours,
Napier's AQI reached its highest point of 58 at 1 AM during the Night, while the lowest point, 16, was recorded at 7 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Napier, Hawkes Bay, New Zealand
15°C13/18°C
13°C11/14°C
10°C9/11°C
9°C8/10°C
10°C8/11°C
10°C8/12°C
11°C10/13°C
13°C11/15°C
13°C10/16°C
12°C9/16°C
12°C10/14°C
11°C8/14°C
12°C9/15°C
10°C8/11°C
10°C6/12°C
7°C4/10°C
9°C6/12°C
8°C6/10°C
9°C7/11°C
9°C6/12°C
9°C6/12°C
8°C5/12°C
8°C5/11°C
9°C6/13°C
10°C7/14°C
14°C12/15°C
13°C10/14°C
10°C8/13°C
9°C6/11°C
--°C/°C
--°C/°C
41AQI
27AQI
51AQI
35AQI
2025 Days Vs Air Quality
Napier, Hawkes Bay, New Zealand
95%
203
5%
10
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 214 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
Napier, Hawkes Bay, New Zealand
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
23AQI
25AQI
23AQI
26AQI
21AQI
22AQI
22AQI
23AQI
23AQI
21AQI
20AQI
22AQI
24AQI
22AQI
20AQI
20AQI
19AQI
19AQI
19AQI
20AQI
20AQI
23AQI
25AQI
31AQI
27AQI
34AQI
27AQI
30AQI
25AQI
27AQI
25AQI
24AQI
26AQI
24AQI
27AQI
25AQI
29AQI
30AQI
31AQI
30AQI
26AQI
24AQI
24AQI
20AQI
23AQI
24AQI
26AQI
34AQI
31AQI
30AQI
25AQI
24AQI
24AQI
27AQI
26AQI
27AQI
23AQI
22AQI
24AQI
22AQI
24AQI
24AQI
27AQI
27AQI
26AQI
28AQI
24AQI
24AQI
25AQI
28AQI
21AQI
26AQI
22AQI
25AQI
23AQI
27AQI
22AQI
25AQI
20AQI
24AQI
20AQI
21AQI
21AQI
24AQI
25AQI
20AQI
20AQI
19AQI
32AQI
31AQI
35AQI
32AQI
31AQI
31AQI
25AQI
22AQI
25AQI
24AQI
26AQI
27AQI
26AQI
25AQI
27AQI
24AQI
25AQI
33AQI
35AQI
37AQI
34AQI
30AQI
25AQI
30AQI
31AQI
33AQI
34AQI
34AQI
35AQI
35AQI
35AQI
25AQI
23AQI
27AQI
30AQI
31AQI
37AQI
42AQI
46AQI
39AQI
38AQI
42AQI
41AQI
37AQI
43AQI
38AQI
38AQI
37AQI
28AQI
26AQI
31AQI
41AQI
47AQI
47AQI
44AQI
40AQI
31AQI
37AQI
36AQI
28AQI
29AQI
25AQI
25AQI
28AQI
31AQI
30AQI
26AQI
25AQI
25AQI
45AQI
34AQI
36AQI
32AQI
38AQI
40AQI
42AQI
55AQI
50AQI
55AQI
55AQI
50AQI
46AQI
47AQI
42AQI
40AQI
50AQI
52AQI
49AQI
52AQI
51AQI
53AQI
53AQI
56AQI
55AQI
43AQI
49AQI
43AQI
42AQI
46AQI
46AQI
49AQI
50AQI
44AQI
46AQI
47AQI
49AQI
42AQI
40AQI
42AQI
42AQI
47AQI
40AQI
34AQI
36AQI
36AQI
40AQI
42AQI
42AQI
47AQI
40AQI
38AQI
38AQI
38AQI
22AQI
23AQI
26AQI
24AQI
30AQI
36AQI
42AQI
44AQI
22AQI
No. of days
202532AQI
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
August22AQI
202428AQI
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
January15AQI
202318AQI
Highest AQI recorded in
July28AQI
Lowest AQI recorded in
April11AQI
202218AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
June15AQI
202117AQI
Highest AQI recorded in
May19AQI
Lowest AQI recorded in
October14AQI
Most & Least Polluted Years Over the Last 5 Years
Napier's annual 2025 AQI (32) shows an average percentage change of 65.6% (worsened AQI) compared to previous years: 2021 (17), 2022 (18), 2023 (18), 2024 (28).