Shimotsuruma, Yato, 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
Shimotsuruma, Yato, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 53 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
Shimotsuruma, Yato, Kanagawa, Japan
5 AM4th Oct 2025
5 PM
4 AM5th Oct 2025
61AQI
52AQI
63AQI
53AQI
In the last 24 hours,
Shimotsuruma's AQI reached its highest point of 63 at 10 PM during the Night, while the lowest point, 52, was recorded at 4 PM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Shimotsuruma, Yato, Kanagawa, Japan
25°C22/26°C
26°C24/30°C
28°C24/31°C
30°C26/34°C
29°C28/32°C
29°C27/32°C
27°C24/31°C
25°C24/27°C
27°C24/31°C
29°C27/33°C
28°C26/30°C
28°C27/31°C
30°C26/34°C
30°C24/36°C
22°C21/23°C
24°C23/25°C
26°C23/31°C
24°C22/26°C
23°C21/26°C
23°C21/26°C
24°C21/27°C
27°C24/31°C
24°C23/26°C
25°C23/27°C
27°C24/32°C
24°C22/26°C
21°C20/21°C
23°C19/27°C
24°C21/26°C
23°C22/24°C
--°C/°C
38AQI
36AQI
36AQI
33AQI
2025 Days Vs Air Quality
Shimotsuruma, Yato, Kanagawa, Japan
92%
254
8%
23
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Shimotsuruma, Yato, Kanagawa, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
31AQI
23AQI
25AQI
21AQI
46AQI
32AQI
34AQI
29AQI
26AQI
24AQI
25AQI
30AQI
24AQI
29AQI
21AQI
26AQI
25AQI
25AQI
25AQI
29AQI
36AQI
38AQI
35AQI
35AQI
31AQI
28AQI
28AQI
29AQI
25AQI
26AQI
23AQI
22AQI
27AQI
28AQI
29AQI
27AQI
27AQI
28AQI
28AQI
27AQI
29AQI
27AQI
30AQI
27AQI
29AQI
28AQI
33AQI
28AQI
29AQI
27AQI
29AQI
29AQI
31AQI
31AQI
32AQI
33AQI
34AQI
36AQI
52AQI
40AQI
38AQI
28AQI
28AQI
28AQI
31AQI
28AQI
33AQI
31AQI
30AQI
26AQI
32AQI
21AQI
19AQI
17AQI
16AQI
15AQI
14AQI
15AQI
20AQI
26AQI
28AQI
29AQI
46AQI
58AQI
54AQI
35AQI
29AQI
29AQI
26AQI
22AQI
20AQI
17AQI
18AQI
17AQI
14AQI
15AQI
19AQI
19AQI
21AQI
21AQI
21AQI
17AQI
20AQI
27AQI
25AQI
24AQI
29AQI
31AQI
26AQI
24AQI
22AQI
15AQI
17AQI
17AQI
21AQI
22AQI
20AQI
17AQI
21AQI
20AQI
17AQI
16AQI
18AQI
18AQI
17AQI
14AQI
16AQI
16AQI
13AQI
15AQI
15AQI
17AQI
17AQI
19AQI
18AQI
17AQI
20AQI
20AQI
52AQI
36AQI
32AQI
25AQI
23AQI
17AQI
18AQI
20AQI
15AQI
17AQI
14AQI
13AQI
14AQI
16AQI
17AQI
16AQI
19AQI
19AQI
32AQI
25AQI
23AQI
21AQI
20AQI
22AQI
21AQI
19AQI
21AQI
20AQI
25AQI
25AQI
25AQI
22AQI
19AQI
12AQI
13AQI
14AQI
18AQI
15AQI
19AQI
18AQI
21AQI
37AQI
38AQI
45AQI
40AQI
42AQI
51AQI
60AQI
77AQI
73AQI
74AQI
51AQI
48AQI
54AQI
49AQI
40AQI
40AQI
40AQI
42AQI
36AQI
30AQI
30AQI
33AQI
33AQI
37AQI
39AQI
34AQI
31AQI
28AQI
30AQI
37AQI
31AQI
33AQI
35AQI
43AQI
46AQI
63AQI
53AQI
51AQI
47AQI
42AQI
45AQI
35AQI
38AQI
35AQI
35AQI
40AQI
39AQI
40AQI
42AQI
46AQI
48AQI
48AQI
50AQI
52AQI
49AQI
58AQI
57AQI
56AQI
52AQI
47AQI
53AQI
56AQI
55AQI
45AQI
40AQI
40AQI
40AQI
30AQI
33AQI
32AQI
42AQI
45AQI
42AQI
37AQI
34AQI
32AQI
40AQI
35AQI
36AQI
49AQI
47AQI
34AQI
31AQI
26AQI
28AQI
26AQI
26AQI
29AQI
50AQI
27AQI
27AQI
22AQI
25AQI
25AQI
45AQI
45AQI
53AQI
29AQI
29AQI
30AQI
21AQI
20AQI
20AQI
43AQI
47AQI
35AQI
42AQI
No. of days
202531AQI
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May20AQI
202429AQI
Highest AQI recorded in
July34AQI
Lowest AQI recorded in
August24AQI
202327AQI
Highest AQI recorded in
April36AQI
Lowest AQI recorded in
August18AQI
202231AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
July23AQI
202125AQI
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
February8AQI
202020AQI
Highest AQI recorded in
August35AQI
Lowest AQI recorded in
December8AQI
Most & Least Polluted Years Over the Last 6 Years
Shimotsuruma's annual 2025 AQI (31) shows an average percentage change of 18.4% (worsened AQI) compared to previous years: 2020 (20), 2021 (25), 2022 (31), 2023 (27), 2024 (29).