Dairakujimachi, Hachioji, Tokyo, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Dairakujimachi, Hachioji, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th November ):
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: 15th Nov - 16th Nov 2025
Dairakujimachi, Hachioji, Tokyo, Japan
6 AM15th Nov 2025
4 PM
5 AM16th Nov 2025
AQI
AQI
60AQI
49AQI
In the last 24 hours,
Dairakujimachi's AQI reached its highest point of 60 at 2 AM during the Night, while the lowest point, 49, was recorded at 6 PM during the Night between 15th Nov and 16th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Dairakujimachi, Hachioji, Tokyo, Japan
21°C17/25°C
21°C17/26°C
20°C17/23°C
18°C16/22°C
15°C14/15°C
11°C10/12°C
13°C11/17°C
14°C11/16°C
13°C12/13°C
15°C14/16°C
17°C15/19°C
15°C13/18°C
13°C11/14°C
13°C10/17°C
14°C11/18°C
17°C13/23°C
15°C13/19°C
14°C11/18°C
11°C8/15°C
13°C10/16°C
13°C12/16°C
14°C10/19°C
13°C11/14°C
14°C12/17°C
15°C11/20°C
12°C9/14°C
11°C8/14°C
13°C11/16°C
14°C10/17°C
--°C/°C
--°C/°C
46AQI
38AQI
46AQI
42AQI
2025 Days Vs Air Quality
Dairakujimachi, Hachioji, Tokyo, Japan
76%
130
24%
41
Total number of days with different AQI categories in last 319 days in 2025 (46 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 319 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
Dairakujimachi, Hachioji, Tokyo, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
19AQI
18AQI
18AQI
25AQI
21AQI
23AQI
33AQI
35AQI
40AQI
50AQI
37AQI
34AQI
29AQI
37AQI
33AQI
27AQI
27AQI
33AQI
38AQI
34AQI
36AQI
36AQI
28AQI
23AQI
21AQI
20AQI
18AQI
19AQI
23AQI
23AQI
28AQI
39AQI
43AQI
48AQI
48AQI
50AQI
53AQI
56AQI
71AQI
77AQI
77AQI
64AQI
53AQI
55AQI
54AQI
46AQI
42AQI
45AQI
41AQI
39AQI
37AQI
37AQI
38AQI
40AQI
45AQI
46AQI
45AQI
44AQI
41AQI
44AQI
45AQI
36AQI
39AQI
34AQI
41AQI
45AQI
58AQI
52AQI
50AQI
47AQI
48AQI
49AQI
43AQI
38AQI
36AQI
33AQI
37AQI
40AQI
40AQI
40AQI
43AQI
45AQI
47AQI
49AQI
49AQI
48AQI
56AQI
57AQI
57AQI
51AQI
49AQI
50AQI
55AQI
53AQI
45AQI
40AQI
38AQI
33AQI
31AQI
29AQI
30AQI
38AQI
40AQI
38AQI
32AQI
32AQI
32AQI
40AQI
41AQI
41AQI
48AQI
49AQI
38AQI
37AQI
33AQI
31AQI
30AQI
32AQI
35AQI
54AQI
42AQI
35AQI
28AQI
24AQI
32AQI
44AQI
57AQI
65AQI
62AQI
54AQI
54AQI
61AQI
62AQI
56AQI
56AQI
51AQI
61AQI
58AQI
58AQI
58AQI
55AQI
54AQI
52AQI
47AQI
37AQI
38AQI
37AQI
45AQI
39AQI
28AQI
33AQI
38AQI
36AQI
56AQI
60AQI
28AQI
39AQI
38AQI
27AQI
43AQI
41AQI
45AQI
57AQI
61AQI
42AQI
33AQI
42AQI
54AQI
46AQI
55AQI
22AQI
30AQI
48AQI
46AQI
37AQI
50AQI
43AQI
No. of days
202542AQI
Highest AQI recorded in
October50AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Dairakujimachi's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .