Chiryu, Aichi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Chiryu, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Chiryu, Aichi, Japan
93%
198
7%
14
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 213 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Chiryu, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
31AQI
30AQI
28AQI
26AQI
23AQI
27AQI
25AQI
26AQI
21AQI
25AQI
23AQI
26AQI
29AQI
30AQI
25AQI
29AQI
26AQI
29AQI
25AQI
32AQI
31AQI
35AQI
35AQI
36AQI
32AQI
25AQI
30AQI
29AQI
29AQI
32AQI
37AQI
26AQI
29AQI
29AQI
30AQI
30AQI
30AQI
29AQI
29AQI
30AQI
32AQI
27AQI
32AQI
28AQI
30AQI
31AQI
33AQI
31AQI
31AQI
30AQI
30AQI
31AQI
32AQI
32AQI
32AQI
36AQI
40AQI
37AQI
39AQI
37AQI
33AQI
25AQI
22AQI
31AQI
31AQI
31AQI
35AQI
34AQI
30AQI
26AQI
35AQI
21AQI
21AQI
17AQI
16AQI
15AQI
14AQI
19AQI
29AQI
30AQI
36AQI
35AQI
50AQI
70AQI
56AQI
39AQI
32AQI
24AQI
24AQI
21AQI
23AQI
17AQI
17AQI
18AQI
12AQI
14AQI
14AQI
15AQI
18AQI
19AQI
19AQI
16AQI
19AQI
16AQI
17AQI
18AQI
22AQI
22AQI
19AQI
15AQI
14AQI
11AQI
11AQI
17AQI
17AQI
16AQI
15AQI
15AQI
16AQI
16AQI
15AQI
16AQI
17AQI
16AQI
14AQI
14AQI
15AQI
15AQI
13AQI
14AQI
16AQI
19AQI
19AQI
21AQI
18AQI
16AQI
19AQI
20AQI
27AQI
25AQI
20AQI
18AQI
17AQI
13AQI
15AQI
16AQI
14AQI
16AQI
14AQI
14AQI
14AQI
16AQI
15AQI
16AQI
18AQI
18AQI
20AQI
25AQI
18AQI
16AQI
15AQI
18AQI
18AQI
16AQI
16AQI
17AQI
18AQI
22AQI
25AQI
28AQI
24AQI
18AQI
17AQI
18AQI
17AQI
17AQI
20AQI
19AQI
19AQI
34AQI
42AQI
53AQI
63AQI
61AQI
70AQI
61AQI
69AQI
73AQI
80AQI
63AQI
55AQI
55AQI
53AQI
47AQI
49AQI
48AQI
44AQI
40AQI
37AQI
34AQI
32AQI
32AQI
33AQI
30AQI
26AQI
24AQI
23AQI
26AQI
34AQI
33AQI
32AQI
28AQI
31AQI
31AQI
17AQI
17AQI
19AQI
46AQI
No. of days
202527AQI
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
April17AQI
202436AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
December25AQI
202337AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
August23AQI
202235AQI
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
January22AQI
202131AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
April23AQI
202033AQI
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Chiryu's annual 2025 AQI (27) shows an average percentage change of -20.3% (improved AQI) compared to previous years: 2020 (33), 2021 (31), 2022 (35), 2023 (37), 2024 (36).
