Fujisawa, Kanagawa, 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
Fujisawa, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Fujisawa, Kanagawa, Japan
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
AQI
AQI
76AQI
29AQI
In the last 24 hours,
Fujisawa's AQI reached its highest point of 76 at 9 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Fujisawa, Kanagawa, Japan
25°C23/26°C
26°C24/28°C
27°C25/29°C
29°C27/31°C
28°C27/30°C
28°C27/30°C
27°C24/29°C
25°C24/27°C
27°C25/29°C
29°C27/31°C
27°C26/29°C
28°C27/29°C
28°C26/31°C
28°C24/32°C
23°C22/23°C
24°C23/25°C
26°C23/30°C
24°C22/25°C
23°C21/26°C
23°C22/26°C
24°C22/25°C
26°C24/29°C
24°C23/26°C
25°C24/26°C
26°C24/29°C
24°C22/26°C
21°C21/21°C
23°C21/25°C
24°C22/25°C
--°C/°C
--°C/°C
37AQI
35AQI
38AQI
33AQI
2025 Days Vs Air Quality
Fujisawa, Kanagawa, Japan
84%
108
16%
20
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 277 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
Fujisawa, Kanagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
21AQI
16AQI
19AQI
22AQI
22AQI
23AQI
24AQI
38AQI
43AQI
54AQI
35AQI
30AQI
30AQI
36AQI
33AQI
29AQI
33AQI
37AQI
41AQI
38AQI
39AQI
33AQI
26AQI
20AQI
21AQI
20AQI
19AQI
17AQI
20AQI
24AQI
26AQI
32AQI
34AQI
38AQI
36AQI
37AQI
43AQI
53AQI
70AQI
75AQI
75AQI
59AQI
57AQI
58AQI
55AQI
49AQI
49AQI
49AQI
48AQI
45AQI
41AQI
38AQI
36AQI
34AQI
33AQI
33AQI
28AQI
27AQI
25AQI
28AQI
29AQI
27AQI
29AQI
33AQI
39AQI
44AQI
61AQI
51AQI
51AQI
48AQI
49AQI
49AQI
43AQI
41AQI
36AQI
34AQI
35AQI
36AQI
37AQI
40AQI
42AQI
45AQI
46AQI
49AQI
49AQI
47AQI
57AQI
57AQI
54AQI
51AQI
48AQI
51AQI
55AQI
54AQI
43AQI
37AQI
36AQI
37AQI
31AQI
28AQI
30AQI
37AQI
41AQI
36AQI
30AQI
31AQI
29AQI
35AQI
38AQI
36AQI
45AQI
47AQI
34AQI
32AQI
28AQI
28AQI
27AQI
28AQI
29AQI
45AQI
37AQI
30AQI
22AQI
18AQI
23AQI
48AQI
55AQI
22AQI
29AQI
43AQI
46AQI
34AQI
42AQI
No. of days
202538AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Fujisawa's annual 2025 AQI (38) shows an average percentage change of NaN% (improved AQI) compared to previous years: .