Okazaki, 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
Okazaki, 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
Okazaki, Aichi, Japan
4 AM3rd Jun 2026
6 PM
3 AM4th Jun 2026
31AQI
19AQI
28AQI
24AQI
In the last 24 hours,
Okazaki's AQI reached its highest point of 31 at 3 PM during the Day, while the lowest point, 19, was recorded at 7 AM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Okazaki, 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
36AQI
42AQI
34AQI
2026 Days Vs Air Quality
Okazaki, Aichi, Japan
83%
129
17%
26
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
Okazaki, Aichi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
18AQI (US)
16AQI (US)
26AQI (US)
46AQI (US)
15AQI (US)
26AQI (US)
34AQI (US)
20AQI (US)
26AQI (US)
28AQI (US)
21AQI (US)
39AQI (US)
26AQI (US)
40AQI (US)
58AQI (US)
51AQI (US)
56AQI (US)
60AQI (US)
31AQI (US)
14AQI (US)
23AQI (US)
37AQI (US)
44AQI (US)
44AQI (US)
22AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
36AQI (US)
32AQI (US)
34AQI (US)
24AQI (US)
28AQI (US)
34AQI (US)
44AQI (US)
42AQI (US)
16AQI (US)
18AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
47AQI (US)
46AQI (US)
48AQI (US)
44AQI (US)
51AQI (US)
22AQI (US)
26AQI (US)
32AQI (US)
28AQI (US)
48AQI (US)
43AQI (US)
50AQI (US)
48AQI (US)
24AQI (US)
26AQI (US)
47AQI (US)
42AQI (US)
34AQI (US)
70AQI (US)
41AQI (US)
54AQI (US)
52AQI (US)
50AQI (US)
46AQI (US)
41AQI (US)
48AQI (US)
58AQI (US)
55AQI (US)
62AQI (US)
41AQI (US)
46AQI (US)
58AQI (US)
54AQI (US)
51AQI (US)
53AQI (US)
36AQI (US)
45AQI (US)
41AQI (US)
49AQI (US)
46AQI (US)
48AQI (US)
58AQI (US)
24AQI (US)
35AQI (US)
56AQI (US)
50AQI (US)
36AQI (US)
22AQI (US)
25AQI (US)
39AQI (US)
48AQI (US)
45AQI (US)
37AQI (US)
32AQI (US)
35AQI (US)
24AQI (US)
29AQI (US)
46AQI (US)
36AQI (US)
31AQI (US)
35AQI (US)
42AQI (US)
24AQI (US)
29AQI (US)
38AQI (US)
28AQI (US)
32AQI (US)
36AQI (US)
40AQI (US)
46AQI (US)
33AQI (US)
20AQI (US)
39AQI (US)
50AQI (US)
49AQI (US)
45AQI (US)
40AQI (US)
34AQI (US)
40AQI (US)
52AQI (US)
42AQI (US)
27AQI (US)
18AQI (US)
29AQI (US)
31AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
39AQI (US)
34AQI (US)
37AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
48AQI (US)
62AQI (US)
60AQI (US)
62AQI (US)
54AQI (US)
59AQI (US)
48AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
31AQI (US)
16AQI (US)
25AQI (US)
24AQI (US)
32AQI (US)
37AQI (US)
47AQI (US)
36AQI (US)
40AQI (US)
24AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
October49AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202339AQI (US)
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
May46AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
June43AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202037AQI (US)
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Okazaki's annual 2026 AQI (US) (38) shows an average percentage change of 3.3% (worsened AQI (US)) compared to previous years: 2020 (37), 2021 (37), 2022 (38), 2023 (39), 2024 (36), 2025 (34).