Chofugaoka, Tokyo, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Chofugaoka, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Day & Night AQI Trend: 30th Jul - 31st Jul 2026
Chofugaoka, Tokyo, Japan
4 AM30th Jul 2026
6 PM
3 AM31st Jul 2026
49AQI
28AQI
56AQI
39AQI
In the last 24 hours,
Chofugaoka's AQI reached its highest point of 56 at 8 PM during the Night, while the lowest point, 28, was recorded at 10 AM during the Day between 30th Jul and 31st Jul 2026.
Day & Night AQI Trend : Jul 2026
Chofugaoka, Tokyo, Japan
22°C21/24°C
23°C21/25°C
23°C22/25°C
24°C22/27°C
23°C21/24°C
24°C21/29°C
25°C22/29°C
26°C23/29°C
27°C24/30°C
27°C24/30°C
26°C25/28°C
27°C25/28°C
28°C25/31°C
29°C26/32°C
30°C27/34°C
28°C26/30°C
28°C25/31°C
28°C25/30°C
30°C27/34°C
31°C28/34°C
31°C28/34°C
31°C28/36°C
29°C27/33°C
29°C25/34°C
28°C25/31°C
27°C24/30°C
26°C24/30°C
29°C25/34°C
31°C28/34°C
30°C28/34°C
37AQI
30AQI
38AQI
31AQI
2026 Days Vs Air Quality
Chofugaoka, Tokyo, Japan
86%
183
14%
29
Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 212 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
Chofugaoka, Tokyo, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
13AQI (US)
12AQI (US)
20AQI (US)
34AQI (US)
16AQI (US)
20AQI (US)
32AQI (US)
15AQI (US)
28AQI (US)
27AQI (US)
14AQI (US)
33AQI (US)
16AQI (US)
34AQI (US)
48AQI (US)
51AQI (US)
34AQI (US)
43AQI (US)
37AQI (US)
13AQI (US)
21AQI (US)
37AQI (US)
40AQI (US)
46AQI (US)
22AQI (US)
39AQI (US)
11AQI (US)
17AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
45AQI (US)
28AQI (US)
39AQI (US)
55AQI (US)
48AQI (US)
12AQI (US)
13AQI (US)
34AQI (US)
39AQI (US)
37AQI (US)
36AQI (US)
44AQI (US)
47AQI (US)
56AQI (US)
43AQI (US)
18AQI (US)
31AQI (US)
19AQI (US)
23AQI (US)
37AQI (US)
40AQI (US)
37AQI (US)
40AQI (US)
35AQI (US)
13AQI (US)
33AQI (US)
40AQI (US)
33AQI (US)
73AQI (US)
43AQI (US)
54AQI (US)
54AQI (US)
52AQI (US)
38AQI (US)
25AQI (US)
46AQI (US)
45AQI (US)
49AQI (US)
66AQI (US)
41AQI (US)
46AQI (US)
58AQI (US)
55AQI (US)
52AQI (US)
55AQI (US)
37AQI (US)
33AQI (US)
52AQI (US)
49AQI (US)
49AQI (US)
47AQI (US)
56AQI (US)
32AQI (US)
22AQI (US)
46AQI (US)
52AQI (US)
56AQI (US)
24AQI (US)
21AQI (US)
34AQI (US)
45AQI (US)
44AQI (US)
36AQI (US)
29AQI (US)
26AQI (US)
23AQI (US)
31AQI (US)
46AQI (US)
41AQI (US)
28AQI (US)
33AQI (US)
41AQI (US)
36AQI (US)
33AQI (US)
36AQI (US)
29AQI (US)
34AQI (US)
37AQI (US)
39AQI (US)
47AQI (US)
35AQI (US)
34AQI (US)
45AQI (US)
52AQI (US)
49AQI (US)
42AQI (US)
38AQI (US)
37AQI (US)
48AQI (US)
49AQI (US)
48AQI (US)
29AQI (US)
22AQI (US)
29AQI (US)
30AQI (US)
25AQI (US)
24AQI (US)
30AQI (US)
29AQI (US)
34AQI (US)
40AQI (US)
36AQI (US)
35AQI (US)
86AQI (US)
69AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
46AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
31AQI (US)
28AQI (US)
22AQI (US)
24AQI (US)
21AQI (US)
16AQI (US)
23AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
29AQI (US)
34AQI (US)
12AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
22AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
24AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
20AQI (US)
20AQI (US)
29AQI (US)
19AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
38AQI (US)
45AQI (US)
42AQI (US)
62AQI (US)
47AQI (US)
22AQI (US)
19AQI (US)
31AQI (US)
48AQI (US)
63AQI (US)
55AQI (US)
46AQI (US)
47AQI (US)
24AQI (US)
23AQI (US)
28AQI (US)
35AQI (US)
36AQI (US)
52AQI (US)
28AQI (US)
35AQI (US)
46AQI (US)
37AQI (US)
41AQI (US)
24AQI (US)
34AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June21AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
March41AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
June37AQI (US)
Lowest AQI (US) recorded in
January16AQI (US)
202025AQI (US)
Highest AQI (US) recorded in
August40AQI (US)
Lowest AQI (US) recorded in
September14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chofugaoka's annual 2026 AQI (US) (35) shows an average percentage change of 13.5% (worsened AQI (US)) compared to previous years: 2020 (25), 2021 (27), 2022 (34), 2023 (35), 2024 (33), 2025 (34).