Ishinari, Saga, 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
Ishinari, Saga, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 24 of Good air quality, showing improvement over 2025, 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
Ishinari, Saga, Japan
5 AM3rd Jun 2026
7 PM
4 AM4th Jun 2026
24AQI
8AQI
27AQI
24AQI
In the last 24 hours,
Ishinari's AQI reached its highest point of 27 at 12 AM during the Night, while the lowest point, 8, was recorded at 6 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Ishinari, Saga, Japan
18°C13/24°C
20°C14/26°C
18°C13/21°C
17°C11/23°C
18°C11/25°C
19°C14/25°C
19°C14/24°C
20°C15/25°C
21°C15/28°C
22°C15/29°C
23°C17/29°C
24°C17/32°C
24°C17/31°C
25°C18/31°C
25°C22/31°C
22°C19/25°C
21°C18/24°C
23°C18/28°C
24°C19/28°C
25°C20/31°C
22°C21/25°C
21°C21/22°C
22°C21/25°C
23°C19/27°C
23°C17/30°C
25°C20/31°C
24°C19/29°C
21°C21/23°C
21°C19/24°C
20°C20/21°C
44AQI
39AQI
45AQI
39AQI
2026 Days Vs Air Quality
Ishinari, Saga, Japan
78%
121
22%
34
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% 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
Ishinari, Saga, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
28AQI (US)
36AQI (US)
46AQI (US)
56AQI (US)
32AQI (US)
50AQI (US)
32AQI (US)
32AQI (US)
42AQI (US)
22AQI (US)
29AQI (US)
39AQI (US)
36AQI (US)
50AQI (US)
56AQI (US)
64AQI (US)
70AQI (US)
82AQI (US)
35AQI (US)
15AQI (US)
26AQI (US)
38AQI (US)
46AQI (US)
31AQI (US)
20AQI (US)
48AQI (US)
33AQI (US)
44AQI (US)
29AQI (US)
25AQI (US)
54AQI (US)
46AQI (US)
36AQI (US)
38AQI (US)
42AQI (US)
50AQI (US)
32AQI (US)
21AQI (US)
41AQI (US)
48AQI (US)
38AQI (US)
52AQI (US)
59AQI (US)
54AQI (US)
41AQI (US)
55AQI (US)
26AQI (US)
26AQI (US)
61AQI (US)
41AQI (US)
48AQI (US)
30AQI (US)
38AQI (US)
23AQI (US)
28AQI (US)
12AQI (US)
48AQI (US)
40AQI (US)
35AQI (US)
54AQI (US)
37AQI (US)
44AQI (US)
48AQI (US)
50AQI (US)
48AQI (US)
37AQI (US)
49AQI (US)
40AQI (US)
38AQI (US)
54AQI (US)
37AQI (US)
43AQI (US)
59AQI (US)
45AQI (US)
39AQI (US)
55AQI (US)
32AQI (US)
49AQI (US)
31AQI (US)
44AQI (US)
22AQI (US)
50AQI (US)
29AQI (US)
25AQI (US)
54AQI (US)
70AQI (US)
72AQI (US)
53AQI (US)
21AQI (US)
20AQI (US)
54AQI (US)
55AQI (US)
39AQI (US)
30AQI (US)
58AQI (US)
33AQI (US)
22AQI (US)
32AQI (US)
44AQI (US)
36AQI (US)
40AQI (US)
38AQI (US)
32AQI (US)
24AQI (US)
37AQI (US)
36AQI (US)
26AQI (US)
27AQI (US)
34AQI (US)
42AQI (US)
50AQI (US)
16AQI (US)
26AQI (US)
46AQI (US)
48AQI (US)
54AQI (US)
44AQI (US)
35AQI (US)
19AQI (US)
28AQI (US)
54AQI (US)
34AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
43AQI (US)
26AQI (US)
26AQI (US)
32AQI (US)
42AQI (US)
36AQI (US)
34AQI (US)
27AQI (US)
30AQI (US)
76AQI (US)
63AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
66AQI (US)
70AQI (US)
62AQI (US)
62AQI (US)
54AQI (US)
42AQI (US)
15AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
50AQI (US)
66AQI (US)
16AQI (US)
13AQI (US)
24AQI (US)
39AQI (US)
40AQI (US)
44AQI (US)
37AQI (US)
42AQI (US)
30AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June30AQI (US)
202546AQI (US)
Highest AQI (US) recorded in
November57AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
April51AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202348AQI (US)
Highest AQI (US) recorded in
May56AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202249AQI (US)
Highest AQI (US) recorded in
August76AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202146AQI (US)
Highest AQI (US) recorded in
June57AQI (US)
Lowest AQI (US) recorded in
August38AQI (US)
202040AQI (US)
Highest AQI (US) recorded in
May51AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ishinari's annual 2026 AQI (US) (40) shows an average percentage change of -10.9% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (46), 2022 (49), 2023 (48), 2024 (42), 2025 (46).