Kawasaki, Kanagawa, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Kawasaki, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 34 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Kawasaki, Kanagawa, Japan
5 AM30th Sep 2025
5 PM
4 AM1st Oct 2025
AQI
AQI
45AQI
23AQI
In the last 24 hours,
Kawasaki's AQI reached its highest point of 45 at 12 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Kawasaki, Kanagawa, Japan
28°C27/30°C
29°C28/31°C
29°C28/31°C
27°C26/27°C
26°C23/27°C
26°C24/29°C
27°C26/29°C
28°C27/30°C
28°C27/29°C
28°C27/29°C
27°C24/29°C
25°C24/27°C
27°C25/29°C
28°C27/30°C
27°C26/29°C
27°C26/29°C
28°C27/30°C
28°C24/31°C
23°C22/23°C
24°C23/26°C
26°C23/30°C
24°C22/25°C
23°C21/26°C
23°C22/26°C
24°C23/25°C
26°C25/29°C
24°C23/26°C
25°C24/26°C
26°C24/29°C
--°C/°C
--°C/°C
38AQI
35AQI
37AQI
33AQI
2025 Days Vs Air Quality
Kawasaki, Kanagawa, Japan
85%
106
15%
18
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 273 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
Kawasaki, Kanagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
19AQI
15AQI
18AQI
25AQI
26AQI
24AQI
31AQI
31AQI
37AQI
42AQI
30AQI
29AQI
27AQI
31AQI
28AQI
25AQI
27AQI
29AQI
35AQI
33AQI
34AQI
32AQI
24AQI
18AQI
18AQI
18AQI
18AQI
17AQI
22AQI
20AQI
24AQI
33AQI
35AQI
41AQI
38AQI
41AQI
46AQI
56AQI
70AQI
74AQI
74AQI
59AQI
55AQI
57AQI
55AQI
49AQI
48AQI
47AQI
46AQI
43AQI
39AQI
36AQI
37AQI
34AQI
36AQI
37AQI
34AQI
32AQI
30AQI
33AQI
35AQI
31AQI
32AQI
32AQI
39AQI
43AQI
58AQI
51AQI
51AQI
49AQI
47AQI
47AQI
43AQI
42AQI
36AQI
34AQI
37AQI
36AQI
38AQI
39AQI
43AQI
45AQI
47AQI
49AQI
51AQI
47AQI
56AQI
55AQI
54AQI
51AQI
47AQI
50AQI
55AQI
53AQI
45AQI
38AQI
37AQI
38AQI
32AQI
30AQI
30AQI
39AQI
42AQI
38AQI
32AQI
31AQI
30AQI
36AQI
35AQI
37AQI
46AQI
47AQI
36AQI
35AQI
30AQI
30AQI
29AQI
29AQI
29AQI
48AQI
32AQI
33AQI
34AQI
19AQI
27AQI
45AQI
46AQI
35AQI
No. of days
202538AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
May19AQI
Most & Least Polluted Years Over the Last 1 Years
Kawasaki's annual 2025 AQI (38) shows an average percentage change of NaN% (improved AQI) compared to previous years: .