Shimizucho, Yao, Nara, 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
Shimizucho, Yao, Nara, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 2nd highest AQI at 45 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Shimizucho, Yao, Nara, Japan
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
62AQI
42AQI
52AQI
41AQI
In the last 24 hours,
Shimizucho's AQI reached its highest point of 62 at 12 PM during the Day, while the lowest point, 41, was recorded at 4 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shimizucho, Yao, Nara, Japan
30°C26/33°C
30°C26/34°C
31°C26/36°C
30°C27/36°C
29°C25/35°C
30°C26/36°C
30°C26/35°C
29°C25/35°C
28°C25/34°C
28°C24/34°C
29°C25/34°C
29°C25/33°C
25°C24/28°C
27°C23/33°C
28°C23/34°C
29°C25/33°C
29°C26/33°C
29°C26/34°C
30°C26/34°C
30°C27/35°C
30°C27/34°C
29°C25/35°C
29°C25/35°C
30°C26/35°C
31°C27/37°C
31°C27/36°C
31°C27/36°C
30°C27/34°C
31°C27/36°C
31°C27/36°C
--°C/°C
52AQI
44AQI
51AQI
45AQI
2025 Days Vs Air Quality
Shimizucho, Yao, Nara, Japan
64%
137
36%
77
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 64%
Health Risk Level:
Moderate
In 2025, 64% of 216 days were within WHO’s safe air quality limits, and 36% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Shimizucho, Yao, Nara, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
49AQI
39AQI
36AQI
37AQI
46AQI
36AQI
36AQI
34AQI
28AQI
33AQI
41AQI
45AQI
55AQI
47AQI
45AQI
36AQI
40AQI
41AQI
51AQI
46AQI
61AQI
74AQI
67AQI
46AQI
42AQI
48AQI
40AQI
38AQI
43AQI
73AQI
75AQI
48AQI
58AQI
42AQI
42AQI
36AQI
42AQI
31AQI
32AQI
34AQI
30AQI
49AQI
31AQI
52AQI
29AQI
64AQI
40AQI
44AQI
34AQI
35AQI
31AQI
37AQI
38AQI
34AQI
44AQI
43AQI
70AQI
73AQI
74AQI
102AQI
49AQI
49AQI
37AQI
40AQI
36AQI
42AQI
37AQI
43AQI
36AQI
45AQI
57AQI
50AQI
41AQI
28AQI
42AQI
35AQI
32AQI
48AQI
59AQI
66AQI
72AQI
76AQI
75AQI
91AQI
63AQI
52AQI
44AQI
38AQI
39AQI
33AQI
46AQI
25AQI
32AQI
43AQI
44AQI
51AQI
52AQI
58AQI
59AQI
57AQI
56AQI
35AQI
53AQI
28AQI
50AQI
50AQI
60AQI
61AQI
51AQI
49AQI
52AQI
37AQI
34AQI
67AQI
58AQI
63AQI
51AQI
56AQI
67AQI
60AQI
42AQI
51AQI
42AQI
46AQI
26AQI
32AQI
31AQI
37AQI
33AQI
36AQI
51AQI
56AQI
59AQI
56AQI
55AQI
45AQI
55AQI
57AQI
62AQI
44AQI
38AQI
52AQI
34AQI
28AQI
30AQI
29AQI
31AQI
40AQI
35AQI
39AQI
44AQI
51AQI
29AQI
50AQI
48AQI
51AQI
56AQI
65AQI
43AQI
37AQI
40AQI
51AQI
54AQI
35AQI
34AQI
45AQI
41AQI
51AQI
54AQI
59AQI
54AQI
48AQI
42AQI
33AQI
33AQI
34AQI
52AQI
49AQI
52AQI
57AQI
61AQI
78AQI
82AQI
96AQI
87AQI
74AQI
69AQI
75AQI
85AQI
61AQI
52AQI
54AQI
51AQI
41AQI
50AQI
54AQI
37AQI
41AQI
37AQI
35AQI
33AQI
39AQI
40AQI
37AQI
34AQI
31AQI
30AQI
34AQI
42AQI
44AQI
45AQI
45AQI
45AQI
45AQI
45AQI
44AQI
52AQI
49AQI
43AQI
46AQI
53AQI
45AQI
No. of days
202547AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
May43AQI
202440AQI
Highest AQI recorded in
September49AQI
Lowest AQI recorded in
December35AQI
202344AQI
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
November39AQI
202244AQI
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
January44AQI
202144AQI
Highest AQI recorded in
February51AQI
Lowest AQI recorded in
August36AQI
202043AQI
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
September33AQI
Most & Least Polluted Years Over the Last 6 Years
Shimizucho's annual 2025 AQI (47) shows an average percentage change of 10.2% (worsened AQI) compared to previous years: 2020 (43), 2021 (44), 2022 (44), 2023 (44), 2024 (40).