Kanazawa, Ishikawa, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Kanazawa, Ishikawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Kanazawa, Ishikawa, Japan
5 AM18th Oct 2025
5 PM
4 AM19th Oct 2025
57AQI
37AQI
55AQI
39AQI
In the last 24 hours,
Kanazawa's AQI reached its highest point of 57 at 11 AM during the Day, while the lowest point, 37, was recorded at 3 PM during the Day between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kanazawa, Ishikawa, Japan
21°C18/25°C
23°C20/28°C
21°C19/23°C
19°C16/24°C
20°C17/25°C
22°C17/27°C
23°C20/25°C
22°C20/26°C
20°C17/25°C
21°C17/27°C
21°C17/23°C
20°C16/25°C
21°C19/23°C
20°C17/24°C
20°C16/24°C
20°C18/23°C
21°C20/23°C
21°C19/23°C
21°C17/24°C
21°C19/23°C
19°C16/22°C
18°C15/22°C
19°C16/21°C
23°C20/26°C
20°C17/20°C
17°C16/19°C
19°C16/22°C
20°C18/24°C
19°C17/23°C
21°C17/27°C
--°C/°C
36AQI
36AQI
38AQI
36AQI
2025 Days Vs Air Quality
Kanazawa, Ishikawa, Japan
84%
243
16%
48
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 292 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
Kanazawa, Ishikawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
30AQI
30AQI
28AQI
28AQI
27AQI
30AQI
28AQI
29AQI
26AQI
26AQI
27AQI
28AQI
31AQI
28AQI
27AQI
27AQI
27AQI
29AQI
31AQI
36AQI
33AQI
46AQI
38AQI
37AQI
31AQI
26AQI
29AQI
29AQI
31AQI
34AQI
43AQI
32AQI
35AQI
30AQI
32AQI
32AQI
33AQI
32AQI
30AQI
30AQI
31AQI
29AQI
32AQI
31AQI
31AQI
33AQI
37AQI
30AQI
31AQI
30AQI
30AQI
32AQI
32AQI
32AQI
33AQI
40AQI
47AQI
43AQI
47AQI
42AQI
41AQI
36AQI
28AQI
33AQI
33AQI
35AQI
34AQI
37AQI
35AQI
31AQI
46AQI
35AQI
32AQI
23AQI
22AQI
26AQI
20AQI
34AQI
46AQI
50AQI
63AQI
56AQI
71AQI
67AQI
65AQI
51AQI
38AQI
32AQI
31AQI
28AQI
25AQI
21AQI
24AQI
29AQI
34AQI
36AQI
39AQI
29AQI
38AQI
45AQI
42AQI
32AQI
39AQI
25AQI
38AQI
39AQI
51AQI
51AQI
41AQI
40AQI
42AQI
25AQI
23AQI
35AQI
47AQI
42AQI
44AQI
46AQI
57AQI
51AQI
41AQI
35AQI
34AQI
37AQI
31AQI
27AQI
26AQI
27AQI
29AQI
23AQI
43AQI
47AQI
54AQI
54AQI
52AQI
37AQI
47AQI
49AQI
57AQI
65AQI
47AQI
44AQI
39AQI
30AQI
29AQI
31AQI
31AQI
37AQI
32AQI
30AQI
36AQI
43AQI
38AQI
39AQI
38AQI
43AQI
49AQI
54AQI
62AQI
47AQI
42AQI
42AQI
40AQI
34AQI
25AQI
34AQI
32AQI
37AQI
43AQI
49AQI
53AQI
61AQI
44AQI
45AQI
40AQI
42AQI
52AQI
38AQI
42AQI
52AQI
52AQI
76AQI
84AQI
76AQI
68AQI
60AQI
60AQI
59AQI
58AQI
52AQI
53AQI
49AQI
50AQI
46AQI
40AQI
44AQI
35AQI
33AQI
32AQI
32AQI
33AQI
36AQI
41AQI
45AQI
44AQI
41AQI
35AQI
35AQI
37AQI
39AQI
42AQI
46AQI
46AQI
48AQI
57AQI
52AQI
50AQI
43AQI
36AQI
34AQI
31AQI
32AQI
34AQI
34AQI
39AQI
38AQI
40AQI
42AQI
45AQI
48AQI
50AQI
51AQI
51AQI
52AQI
57AQI
56AQI
56AQI
52AQI
49AQI
54AQI
54AQI
53AQI
46AQI
41AQI
39AQI
31AQI
28AQI
31AQI
34AQI
40AQI
41AQI
39AQI
34AQI
34AQI
29AQI
36AQI
33AQI
34AQI
41AQI
27AQI
25AQI
26AQI
22AQI
22AQI
29AQI
31AQI
24AQI
26AQI
24AQI
21AQI
17AQI
18AQI
21AQI
40AQI
45AQI
51AQI
32AQI
43AQI
50AQI
53AQI
46AQI
47AQI
48AQI
49AQI
46AQI
46AQI
40AQI
46AQI
52AQI
53AQI
30AQI
33AQI
40AQI
37AQI
39AQI
43AQI
48AQI
46AQI
31AQI
45AQI
No. of days
202539AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
January30AQI
202434AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
December27AQI
202335AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
December29AQI
202237AQI
Highest AQI recorded in
May46AQI
Lowest AQI recorded in
October31AQI
202133AQI
Highest AQI recorded in
June44AQI
Lowest AQI recorded in
January24AQI
202028AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
December19AQI
Most & Least Polluted Years Over the Last 6 Years
Kanazawa's annual 2025 AQI (39) shows an average percentage change of 17.7% (worsened AQI) compared to previous years: 2020 (28), 2021 (33), 2022 (37), 2023 (35), 2024 (34).