Shimotoba, Kyoto, 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
Shimotoba, Kyoto, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 43 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
Shimotoba, Kyoto, Japan
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
AQI
AQI
68AQI
39AQI
In the last 24 hours,
Shimotoba's AQI reached its highest point of 68 at 1 PM during the Night, while the lowest point, 39, was recorded at 2 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Shimotoba, Kyoto, Japan
29°C26/34°C
30°C26/35°C
30°C25/35°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
29°C27/33°C
29°C26/33°C
29°C25/33°C
29°C26/33°C
30°C27/35°C
31°C27/36°C
30°C27/34°C
30°C27/34°C
30°C27/35°C
26°C24/27°C
26°C24/29°C
28°C23/33°C
28°C25/32°C
29°C25/32°C
29°C26/33°C
29°C25/33°C
26°C24/30°C
27°C25/30°C
27°C24/31°C
28°C25/32°C
29°C26/33°C
29°C26/34°C
--°C/°C
--°C/°C
49AQI
44AQI
46AQI
42AQI
2025 Days Vs Air Quality
Shimotoba, Kyoto, Japan
73%
190
27%
69
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 260 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
Shimotoba, Kyoto, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
41AQI
32AQI
33AQI
33AQI
40AQI
34AQI
33AQI
31AQI
26AQI
27AQI
38AQI
40AQI
52AQI
44AQI
40AQI
35AQI
33AQI
34AQI
42AQI
36AQI
56AQI
66AQI
59AQI
44AQI
39AQI
39AQI
35AQI
34AQI
38AQI
73AQI
66AQI
46AQI
52AQI
40AQI
40AQI
33AQI
36AQI
30AQI
30AQI
29AQI
29AQI
39AQI
30AQI
38AQI
28AQI
52AQI
36AQI
39AQI
30AQI
29AQI
29AQI
31AQI
32AQI
32AQI
35AQI
40AQI
61AQI
60AQI
64AQI
90AQI
46AQI
48AQI
34AQI
40AQI
33AQI
39AQI
36AQI
40AQI
32AQI
38AQI
47AQI
40AQI
36AQI
23AQI
31AQI
28AQI
28AQI
44AQI
55AQI
62AQI
69AQI
70AQI
70AQI
88AQI
62AQI
48AQI
42AQI
35AQI
36AQI
29AQI
28AQI
22AQI
25AQI
35AQI
38AQI
44AQI
45AQI
50AQI
53AQI
53AQI
51AQI
32AQI
49AQI
27AQI
46AQI
47AQI
58AQI
58AQI
48AQI
42AQI
49AQI
26AQI
29AQI
65AQI
55AQI
62AQI
47AQI
54AQI
64AQI
57AQI
43AQI
45AQI
40AQI
42AQI
26AQI
29AQI
29AQI
33AQI
29AQI
33AQI
49AQI
54AQI
57AQI
53AQI
54AQI
43AQI
50AQI
53AQI
62AQI
42AQI
37AQI
51AQI
35AQI
28AQI
28AQI
28AQI
30AQI
37AQI
34AQI
37AQI
42AQI
49AQI
29AQI
46AQI
45AQI
45AQI
53AQI
62AQI
43AQI
32AQI
39AQI
43AQI
45AQI
31AQI
31AQI
42AQI
38AQI
49AQI
55AQI
57AQI
52AQI
40AQI
36AQI
31AQI
32AQI
33AQI
50AQI
43AQI
49AQI
55AQI
63AQI
80AQI
81AQI
93AQI
87AQI
78AQI
67AQI
73AQI
84AQI
61AQI
51AQI
52AQI
50AQI
40AQI
50AQI
52AQI
36AQI
41AQI
36AQI
33AQI
31AQI
37AQI
41AQI
37AQI
32AQI
29AQI
29AQI
31AQI
40AQI
42AQI
43AQI
45AQI
47AQI
49AQI
63AQI
54AQI
55AQI
48AQI
44AQI
45AQI
45AQI
37AQI
37AQI
41AQI
46AQI
46AQI
46AQI
45AQI
49AQI
49AQI
48AQI
51AQI
49AQI
51AQI
57AQI
58AQI
57AQI
55AQI
53AQI
56AQI
57AQI
55AQI
44AQI
37AQI
41AQI
29AQI
28AQI
31AQI
35AQI
41AQI
43AQI
40AQI
34AQI
32AQI
30AQI
39AQI
39AQI
43AQI
40AQI
38AQI
47AQI
44AQI
41AQI
43AQI
52AQI
50AQI
37AQI
No. of days
202544AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
September37AQI
202436AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
October31AQI
202338AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August27AQI
202236AQI
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
January29AQI
202133AQI
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
January27AQI
202031AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
October26AQI
Most & Least Polluted Years Over the Last 6 Years
Shimotoba's annual 2025 AQI (44) shows an average percentage change of 27.3% (worsened AQI) compared to previous years: 2020 (31), 2021 (33), 2022 (36), 2023 (38), 2024 (36).