Tsuruga, Fukui, 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
Tsuruga, Fukui, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 47 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Tsuruga, Fukui, Japan
4 AM3rd Aug 2025
7 PM
3 AM4th Aug 2025
AQI
AQI
62AQI
41AQI
In the last 24 hours,
Tsuruga's AQI reached its highest point of 62 at 4 PM during the Night, while the lowest point, 41, was recorded at 3 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tsuruga, Fukui, Japan
26°C24/30°C
27°C24/30°C
26°C23/29°C
26°C24/29°C
27°C24/31°C
27°C24/31°C
26°C23/28°C
25°C23/28°C
27°C23/32°C
27°C24/31°C
27°C24/30°C
26°C24/29°C
24°C23/26°C
26°C24/29°C
26°C23/30°C
27°C23/32°C
28°C24/33°C
28°C25/31°C
28°C25/31°C
28°C24/32°C
28°C24/33°C
28°C24/34°C
28°C24/33°C
28°C24/32°C
28°C25/32°C
28°C25/32°C
28°C25/32°C
27°C25/30°C
27°C25/29°C
--°C/°C
--°C/°C
52AQI
39AQI
53AQI
47AQI
2025 Days Vs Air Quality
Tsuruga, Fukui, Japan
78%
167
22%
47
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% 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
Tsuruga, Fukui, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
30AQI
30AQI
28AQI
28AQI
28AQI
30AQI
28AQI
29AQI
27AQI
24AQI
29AQI
25AQI
39AQI
33AQI
28AQI
28AQI
28AQI
28AQI
30AQI
34AQI
33AQI
51AQI
45AQI
40AQI
37AQI
30AQI
29AQI
31AQI
32AQI
59AQI
52AQI
43AQI
43AQI
39AQI
37AQI
33AQI
32AQI
32AQI
31AQI
31AQI
31AQI
29AQI
32AQI
31AQI
31AQI
33AQI
39AQI
32AQI
33AQI
31AQI
31AQI
32AQI
32AQI
33AQI
32AQI
45AQI
48AQI
54AQI
54AQI
58AQI
42AQI
38AQI
29AQI
35AQI
34AQI
35AQI
36AQI
37AQI
32AQI
31AQI
47AQI
36AQI
35AQI
22AQI
23AQI
23AQI
22AQI
34AQI
49AQI
51AQI
66AQI
67AQI
72AQI
74AQI
79AQI
52AQI
44AQI
34AQI
35AQI
32AQI
29AQI
21AQI
24AQI
33AQI
38AQI
43AQI
46AQI
38AQI
52AQI
52AQI
50AQI
31AQI
48AQI
25AQI
43AQI
45AQI
57AQI
60AQI
49AQI
40AQI
45AQI
23AQI
24AQI
58AQI
51AQI
59AQI
47AQI
52AQI
66AQI
54AQI
39AQI
40AQI
37AQI
40AQI
26AQI
28AQI
27AQI
29AQI
28AQI
29AQI
43AQI
51AQI
55AQI
55AQI
53AQI
36AQI
48AQI
50AQI
66AQI
59AQI
43AQI
49AQI
42AQI
29AQI
30AQI
32AQI
27AQI
38AQI
34AQI
33AQI
42AQI
47AQI
27AQI
41AQI
38AQI
47AQI
50AQI
62AQI
49AQI
29AQI
32AQI
41AQI
45AQI
35AQI
27AQI
35AQI
33AQI
37AQI
43AQI
49AQI
49AQI
55AQI
45AQI
45AQI
44AQI
43AQI
53AQI
46AQI
49AQI
55AQI
57AQI
81AQI
86AQI
86AQI
82AQI
72AQI
66AQI
68AQI
76AQI
74AQI
61AQI
59AQI
56AQI
48AQI
50AQI
51AQI
42AQI
42AQI
36AQI
34AQI
35AQI
37AQI
40AQI
45AQI
38AQI
32AQI
29AQI
33AQI
39AQI
44AQI
44AQI
49AQI
47AQI
32AQI
36AQI
43AQI
43AQI
40AQI
43AQI
53AQI
48AQI
No. of days
202542AQI
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
January32AQI
202434AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
January26AQI
202336AQI
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
January28AQI
202236AQI
Highest AQI recorded in
May44AQI
Lowest AQI recorded in
December28AQI
202134AQI
Highest AQI recorded in
February42AQI
Lowest AQI recorded in
March29AQI
202039AQI
Highest AQI recorded in
August61AQI
Lowest AQI recorded in
December29AQI
Most & Least Polluted Years Over the Last 6 Years
Tsuruga's annual 2025 AQI (42) shows an average percentage change of 16.4% (worsened AQI) compared to previous years: 2020 (39), 2021 (34), 2022 (36), 2023 (36), 2024 (34).