Chiryu, Aichi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Chiryu, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Jun - 4th Jun 2026
Chiryu, Aichi, Japan
4 AM3rd Jun 2026
6 PM
3 AM4th Jun 2026
34AQI
24AQI
30AQI
26AQI
In the last 24 hours,
Chiryu's AQI reached its highest point of 34 at 12 PM during the Day, while the lowest point, 24, was recorded at 8 AM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Chiryu, Aichi, Japan
17°C13/21°C
20°C15/25°C
20°C14/24°C
16°C13/21°C
17°C10/22°C
18°C14/23°C
19°C15/22°C
20°C16/25°C
20°C14/25°C
19°C15/23°C
20°C16/25°C
22°C16/29°C
22°C18/28°C
22°C17/27°C
22°C19/26°C
22°C21/22°C
21°C19/23°C
18°C17/20°C
21°C16/25°C
22°C17/26°C
22°C19/26°C
21°C19/24°C
24°C20/27°C
23°C18/28°C
22°C15/29°C
24°C20/28°C
23°C19/27°C
19°C17/20°C
20°C18/24°C
20°C18/21°C
46AQI
34AQI
42AQI
33AQI
2026 Days Vs Air Quality
Chiryu, Aichi, Japan
83%
128
17%
27
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 155 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
Chiryu, Aichi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
11AQI (US)
10AQI (US)
19AQI (US)
38AQI (US)
13AQI (US)
21AQI (US)
33AQI (US)
16AQI (US)
28AQI (US)
26AQI (US)
18AQI (US)
35AQI (US)
23AQI (US)
36AQI (US)
54AQI (US)
52AQI (US)
55AQI (US)
62AQI (US)
37AQI (US)
10AQI (US)
18AQI (US)
33AQI (US)
40AQI (US)
44AQI (US)
22AQI (US)
18AQI (US)
21AQI (US)
22AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
19AQI (US)
24AQI (US)
32AQI (US)
42AQI (US)
42AQI (US)
16AQI (US)
19AQI (US)
32AQI (US)
39AQI (US)
35AQI (US)
44AQI (US)
45AQI (US)
46AQI (US)
44AQI (US)
49AQI (US)
20AQI (US)
26AQI (US)
31AQI (US)
27AQI (US)
45AQI (US)
42AQI (US)
48AQI (US)
48AQI (US)
23AQI (US)
20AQI (US)
46AQI (US)
42AQI (US)
24AQI (US)
80AQI (US)
42AQI (US)
57AQI (US)
52AQI (US)
54AQI (US)
47AQI (US)
42AQI (US)
48AQI (US)
58AQI (US)
55AQI (US)
63AQI (US)
40AQI (US)
46AQI (US)
59AQI (US)
57AQI (US)
52AQI (US)
54AQI (US)
37AQI (US)
38AQI (US)
41AQI (US)
49AQI (US)
46AQI (US)
47AQI (US)
60AQI (US)
27AQI (US)
36AQI (US)
52AQI (US)
57AQI (US)
33AQI (US)
19AQI (US)
29AQI (US)
41AQI (US)
48AQI (US)
44AQI (US)
37AQI (US)
31AQI (US)
35AQI (US)
23AQI (US)
29AQI (US)
46AQI (US)
35AQI (US)
32AQI (US)
35AQI (US)
41AQI (US)
24AQI (US)
28AQI (US)
40AQI (US)
28AQI (US)
33AQI (US)
38AQI (US)
40AQI (US)
45AQI (US)
33AQI (US)
19AQI (US)
38AQI (US)
49AQI (US)
49AQI (US)
45AQI (US)
40AQI (US)
36AQI (US)
47AQI (US)
52AQI (US)
42AQI (US)
27AQI (US)
17AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
40AQI (US)
34AQI (US)
40AQI (US)
84AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
60AQI (US)
64AQI (US)
55AQI (US)
59AQI (US)
47AQI (US)
40AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
32AQI (US)
14AQI (US)
27AQI (US)
24AQI (US)
29AQI (US)
35AQI (US)
47AQI (US)
36AQI (US)
40AQI (US)
24AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
May42AQI (US)
Lowest AQI (US) recorded in
January21AQI (US)
202131AQI (US)
Highest AQI (US) recorded in
June40AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
August45AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chiryu's annual 2026 AQI (US) (37) shows an average percentage change of 8.6% (worsened AQI (US)) compared to previous years: 2020 (33), 2021 (31), 2022 (35), 2023 (37), 2024 (36), 2025 (33).