Hinohara, Tokyo, 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
Hinohara, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 45 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Hinohara, Tokyo, Japan
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
62AQI
41AQI
52AQI
40AQI
In the last 24 hours,
Hinohara's AQI reached its highest point of 62 at 4 PM during the Day, while the lowest point, 40, was recorded at 2 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hinohara, Tokyo, Japan
29°C23/35°C
29°C24/35°C
28°C24/35°C
28°C24/33°C
30°C25/35°C
31°C26/36°C
30°C26/35°C
29°C26/33°C
29°C25/36°C
27°C24/30°C
27°C23/33°C
30°C25/35°C
30°C26/35°C
30°C25/35°C
30°C26/37°C
28°C25/35°C
24°C24/24°C
23°C22/23°C
25°C21/30°C
27°C22/32°C
29°C24/33°C
28°C25/31°C
26°C24/30°C
25°C22/28°C
23°C22/25°C
25°C22/29°C
26°C23/31°C
27°C24/30°C
27°C24/31°C
28°C24/33°C
--°C/°C
45AQI
42AQI
46AQI
42AQI
2025 Days Vs Air Quality
Hinohara, Tokyo, Japan
83%
93
17%
19
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 261 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
Hinohara, Tokyo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
17AQI
17AQI
20AQI
27AQI
21AQI
24AQI
32AQI
39AQI
47AQI
46AQI
43AQI
35AQI
31AQI
38AQI
39AQI
32AQI
32AQI
40AQI
44AQI
41AQI
44AQI
47AQI
38AQI
24AQI
24AQI
25AQI
24AQI
25AQI
29AQI
30AQI
37AQI
44AQI
47AQI
45AQI
51AQI
51AQI
52AQI
56AQI
65AQI
72AQI
76AQI
67AQI
52AQI
54AQI
53AQI
45AQI
42AQI
44AQI
38AQI
37AQI
36AQI
38AQI
40AQI
42AQI
45AQI
46AQI
46AQI
45AQI
44AQI
47AQI
47AQI
42AQI
41AQI
37AQI
41AQI
45AQI
56AQI
52AQI
50AQI
46AQI
47AQI
49AQI
47AQI
39AQI
37AQI
36AQI
39AQI
46AQI
46AQI
42AQI
44AQI
45AQI
47AQI
47AQI
48AQI
47AQI
54AQI
55AQI
55AQI
51AQI
47AQI
48AQI
54AQI
53AQI
44AQI
39AQI
36AQI
43AQI
30AQI
29AQI
31AQI
37AQI
40AQI
40AQI
34AQI
32AQI
37AQI
40AQI
41AQI
43AQI
45AQI
23AQI
34AQI
49AQI
47AQI
38AQI
No. of days
202542AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
Hinohara's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .