Tachiarai, Fukuoka, 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
Tachiarai, Fukuoka, 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 41 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
Tachiarai, Fukuoka, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
61AQI
37AQI
In the last 24 hours,
Tachiarai's AQI reached its highest point of 61 at 2 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tachiarai, Fukuoka, Japan
29°C24/34°C
29°C24/34°C
29°C24/35°C
29°C23/36°C
30°C24/37°C
30°C25/35°C
29°C23/35°C
28°C25/33°C
28°C23/34°C
28°C24/33°C
24°C22/28°C
25°C21/29°C
27°C21/32°C
28°C22/35°C
24°C23/24°C
26°C22/31°C
28°C22/34°C
29°C24/34°C
29°C23/36°C
30°C24/36°C
30°C23/37°C
30°C24/37°C
29°C25/35°C
29°C24/35°C
30°C23/38°C
31°C23/39°C
31°C25/38°C
30°C23/38°C
31°C25/37°C
--°C/°C
--°C/°C
48AQI
35AQI
48AQI
44AQI
2025 Days Vs Air Quality
Tachiarai, Fukuoka, Japan
72%
154
28%
59
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% 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
Tachiarai, Fukuoka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
43AQI
34AQI
44AQI
45AQI
58AQI
34AQI
42AQI
29AQI
32AQI
37AQI
37AQI
46AQI
49AQI
48AQI
47AQI
54AQI
55AQI
55AQI
64AQI
76AQI
81AQI
72AQI
78AQI
47AQI
46AQI
42AQI
37AQI
33AQI
39AQI
47AQI
42AQI
35AQI
47AQI
31AQI
40AQI
30AQI
39AQI
29AQI
32AQI
33AQI
43AQI
41AQI
35AQI
43AQI
31AQI
41AQI
39AQI
35AQI
36AQI
34AQI
34AQI
41AQI
41AQI
38AQI
40AQI
46AQI
64AQI
61AQI
59AQI
39AQI
42AQI
30AQI
32AQI
31AQI
35AQI
41AQI
45AQI
49AQI
46AQI
52AQI
55AQI
38AQI
34AQI
30AQI
49AQI
43AQI
40AQI
54AQI
53AQI
62AQI
61AQI
54AQI
62AQI
62AQI
52AQI
62AQI
53AQI
43AQI
44AQI
43AQI
36AQI
34AQI
38AQI
42AQI
44AQI
44AQI
40AQI
55AQI
43AQI
57AQI
53AQI
50AQI
52AQI
34AQI
51AQI
44AQI
50AQI
54AQI
46AQI
45AQI
40AQI
28AQI
39AQI
52AQI
49AQI
54AQI
45AQI
52AQI
53AQI
49AQI
41AQI
45AQI
40AQI
43AQI
33AQI
36AQI
45AQI
30AQI
39AQI
45AQI
52AQI
56AQI
61AQI
59AQI
66AQI
43AQI
51AQI
55AQI
43AQI
37AQI
36AQI
44AQI
27AQI
32AQI
36AQI
43AQI
49AQI
50AQI
45AQI
43AQI
51AQI
55AQI
35AQI
49AQI
49AQI
58AQI
70AQI
70AQI
37AQI
30AQI
42AQI
40AQI
37AQI
30AQI
29AQI
30AQI
30AQI
35AQI
37AQI
38AQI
31AQI
27AQI
24AQI
25AQI
27AQI
29AQI
30AQI
33AQI
36AQI
43AQI
58AQI
74AQI
78AQI
79AQI
70AQI
56AQI
55AQI
60AQI
66AQI
65AQI
51AQI
47AQI
44AQI
42AQI
47AQI
57AQI
58AQI
37AQI
36AQI
32AQI
37AQI
43AQI
42AQI
29AQI
26AQI
24AQI
23AQI
25AQI
27AQI
28AQI
32AQI
41AQI
48AQI
39AQI
47AQI
46AQI
44AQI
39AQI
47AQI
41AQI
No. of days
202544AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
June39AQI
202441AQI
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
July26AQI
202345AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
August33AQI
202245AQI
Highest AQI recorded in
May55AQI
Lowest AQI recorded in
July39AQI
202143AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
August32AQI
202046AQI
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
July31AQI
Most & Least Polluted Years Over the Last 6 Years
Tachiarai's annual 2025 AQI (44) shows an average percentage change of 0.3% (worsened AQI) compared to previous years: 2020 (46), 2021 (43), 2022 (45), 2023 (45), 2024 (41).