Murayama, 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
Murayama, Yamagata, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 38 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Murayama, Yamagata, Japan
4 AM2nd Aug 2025
7 PM
3 AM3rd Aug 2025
AQI
AQI
49AQI
26AQI
In the last 24 hours,
Murayama's AQI reached its highest point of 49 at 6 PM during the Night, while the lowest point, 26, was recorded at 12 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Murayama, Yamagata, Japan
24°C18/28°C
23°C17/29°C
23°C17/31°C
26°C21/32°C
26°C21/30°C
25°C20/30°C
21°C17/25°C
16°C13/19°C
17°C12/22°C
20°C11/30°C
20°C16/23°C
22°C18/26°C
25°C19/31°C
24°C19/30°C
24°C17/31°C
25°C17/33°C
25°C18/33°C
26°C19/32°C
26°C20/34°C
25°C18/33°C
25°C18/33°C
25°C17/34°C
25°C17/34°C
25°C18/33°C
26°C20/34°C
26°C18/34°C
24°C17/32°C
23°C15/31°C
22°C16/26°C
--°C/°C
--°C/°C
49AQI
44AQI
48AQI
46AQI
2025 Days Vs Air Quality
Murayama, Yamagata, Japan
89%
189
11%
24
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 214 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
Murayama, Yamagata, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
28AQI
26AQI
26AQI
25AQI
27AQI
25AQI
27AQI
23AQI
24AQI
23AQI
24AQI
27AQI
27AQI
27AQI
25AQI
23AQI
24AQI
28AQI
33AQI
45AQI
41AQI
38AQI
34AQI
32AQI
27AQI
28AQI
33AQI
28AQI
30AQI
28AQI
29AQI
29AQI
31AQI
25AQI
29AQI
28AQI
27AQI
28AQI
28AQI
29AQI
30AQI
28AQI
30AQI
27AQI
29AQI
29AQI
38AQI
29AQI
31AQI
28AQI
29AQI
29AQI
30AQI
29AQI
31AQI
40AQI
35AQI
51AQI
46AQI
59AQI
38AQI
40AQI
27AQI
29AQI
30AQI
31AQI
32AQI
34AQI
40AQI
39AQI
44AQI
32AQI
33AQI
21AQI
22AQI
24AQI
22AQI
24AQI
45AQI
47AQI
33AQI
49AQI
63AQI
56AQI
65AQI
45AQI
35AQI
33AQI
27AQI
31AQI
21AQI
21AQI
18AQI
26AQI
29AQI
23AQI
33AQI
23AQI
39AQI
39AQI
36AQI
25AQI
20AQI
20AQI
20AQI
38AQI
46AQI
57AQI
49AQI
38AQI
44AQI
34AQI
27AQI
31AQI
46AQI
44AQI
46AQI
28AQI
24AQI
25AQI
21AQI
30AQI
28AQI
29AQI
31AQI
26AQI
31AQI
35AQI
24AQI
24AQI
24AQI
34AQI
41AQI
47AQI
51AQI
39AQI
44AQI
38AQI
55AQI
58AQI
49AQI
43AQI
40AQI
26AQI
28AQI
29AQI
31AQI
35AQI
34AQI
21AQI
21AQI
34AQI
37AQI
33AQI
34AQI
40AQI
52AQI
57AQI
60AQI
55AQI
48AQI
40AQI
40AQI
44AQI
28AQI
25AQI
29AQI
40AQI
47AQI
46AQI
49AQI
65AQI
48AQI
42AQI
43AQI
34AQI
44AQI
34AQI
43AQI
49AQI
52AQI
52AQI
61AQI
65AQI
59AQI
59AQI
59AQI
60AQI
58AQI
53AQI
42AQI
41AQI
45AQI
36AQI
36AQI
43AQI
34AQI
39AQI
47AQI
46AQI
42AQI
40AQI
44AQI
44AQI
43AQI
46AQI
49AQI
41AQI
45AQI
43AQI
42AQI
38AQI
28AQI
31AQI
38AQI
33AQI
35AQI
42AQI
47AQI
38AQI
No. of days
202536AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
January28AQI
202433AQI
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
December24AQI
202335AQI
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
December26AQI
202233AQI
Highest AQI recorded in
May40AQI
Lowest AQI recorded in
December24AQI
202133AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
January25AQI
202029AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
December20AQI
Most & Least Polluted Years Over the Last 6 Years
Murayama's annual 2025 AQI (36) shows an average percentage change of 11.3% (worsened AQI) compared to previous years: 2020 (29), 2021 (33), 2022 (33), 2023 (35), 2024 (33).