Shimodamachi, Funagata, Yamagata, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Shimodamachi, Funagata, Yamagata, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Shimodamachi, Funagata, Yamagata, Japan
4 AM2nd Aug 2025
7 PM
3 AM3rd Aug 2025
48AQI
27AQI
47AQI
30AQI
In the last 24 hours,
Shimodamachi's AQI reached its highest point of 48 at 6 PM during the Day, while the lowest point, 27, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shimodamachi, Funagata, Yamagata, Japan
24°C21/29°C
24°C20/29°C
24°C20/29°C
26°C21/32°C
27°C22/34°C
26°C20/32°C
23°C17/30°C
19°C15/23°C
19°C14/24°C
22°C15/30°C
22°C19/27°C
23°C21/26°C
26°C22/31°C
24°C21/28°C
26°C21/33°C
26°C21/33°C
26°C21/33°C
26°C21/33°C
26°C22/32°C
26°C21/31°C
26°C21/32°C
26°C21/33°C
25°C20/33°C
26°C22/31°C
26°C21/32°C
27°C21/35°C
26°C20/34°C
25°C19/32°C
24°C19/30°C
26°C23/33°C
--°C/°C
49AQI
43AQI
49AQI
44AQI
2025 Days Vs Air Quality
Shimodamachi, Funagata, Yamagata, Japan
89%
191
11%
23
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 215 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
Shimodamachi, Funagata, Yamagata, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
28AQI
27AQI
27AQI
27AQI
27AQI
28AQI
28AQI
25AQI
24AQI
24AQI
25AQI
26AQI
31AQI
28AQI
27AQI
24AQI
25AQI
27AQI
33AQI
44AQI
43AQI
37AQI
38AQI
30AQI
30AQI
27AQI
30AQI
29AQI
29AQI
29AQI
28AQI
28AQI
29AQI
29AQI
30AQI
30AQI
29AQI
29AQI
29AQI
30AQI
32AQI
30AQI
32AQI
30AQI
31AQI
36AQI
41AQI
30AQI
32AQI
29AQI
31AQI
31AQI
31AQI
30AQI
33AQI
40AQI
35AQI
52AQI
48AQI
59AQI
39AQI
40AQI
30AQI
31AQI
33AQI
33AQI
33AQI
37AQI
42AQI
46AQI
49AQI
36AQI
34AQI
22AQI
20AQI
24AQI
21AQI
29AQI
45AQI
50AQI
36AQI
41AQI
55AQI
54AQI
60AQI
44AQI
34AQI
30AQI
29AQI
27AQI
21AQI
21AQI
20AQI
28AQI
32AQI
26AQI
35AQI
23AQI
37AQI
38AQI
39AQI
25AQI
21AQI
19AQI
23AQI
37AQI
41AQI
55AQI
42AQI
40AQI
40AQI
37AQI
25AQI
27AQI
47AQI
44AQI
47AQI
32AQI
25AQI
28AQI
21AQI
32AQI
29AQI
30AQI
27AQI
25AQI
31AQI
35AQI
23AQI
25AQI
27AQI
34AQI
40AQI
48AQI
51AQI
37AQI
44AQI
38AQI
55AQI
57AQI
45AQI
43AQI
37AQI
26AQI
28AQI
30AQI
32AQI
36AQI
34AQI
23AQI
23AQI
33AQI
38AQI
36AQI
36AQI
40AQI
51AQI
56AQI
59AQI
56AQI
50AQI
44AQI
39AQI
41AQI
28AQI
27AQI
31AQI
37AQI
43AQI
45AQI
45AQI
56AQI
47AQI
46AQI
48AQI
39AQI
44AQI
40AQI
41AQI
47AQI
50AQI
58AQI
71AQI
69AQI
63AQI
61AQI
59AQI
59AQI
57AQI
54AQI
47AQI
46AQI
48AQI
42AQI
42AQI
46AQI
40AQI
42AQI
44AQI
42AQI
40AQI
39AQI
41AQI
41AQI
42AQI
44AQI
45AQI
39AQI
42AQI
43AQI
41AQI
38AQI
39AQI
29AQI
32AQI
38AQI
32AQI
35AQI
42AQI
48AQI
39AQI
No. of days
202537AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
January29AQI
202436AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December26AQI
202338AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
December28AQI
202238AQI
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
December23AQI
202136AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
December29AQI
202031AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Shimodamachi's annual 2025 AQI (37) shows an average percentage change of 3.4% (worsened AQI) compared to previous years: 2020 (31), 2021 (36), 2022 (38), 2023 (38), 2024 (36).