Saijo, Ehime, 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
Saijo, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (29th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 28th Jul - 29th Jul 2026
Saijo, Ehime, Japan
5 AM28th Jul 2026
7 PM
4 AM29th Jul 2026
44AQI
30AQI
38AQI
23AQI
In the last 24 hours,
Saijo's AQI reached its highest point of 44 at 5 AM during the Day, while the lowest point, 23, was recorded at 2 AM during the Night between 28th Jul and 29th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Saijo, Ehime, Japan
20°C18/24°C
20°C18/21°C
22°C19/26°C
22°C17/26°C
21°C19/22°C
21°C20/25°C
21°C19/25°C
23°C19/26°C
23°C21/25°C
23°C19/27°C
23°C18/28°C
24°C20/29°C
25°C20/30°C
25°C21/31°C
26°C22/31°C
26°C21/31°C
26°C22/30°C
26°C21/31°C
25°C22/29°C
25°C22/30°C
26°C21/30°C
26°C23/29°C
26°C22/30°C
26°C22/31°C
26°C22/31°C
26°C22/32°C
26°C22/31°C
26°C22/32°C
26°C22/32°C
24°C21/28°C
42AQI
38AQI
43AQI
39AQI
2026 Days Vs Air Quality
Saijo, Ehime, Japan
74%
155
26%
55
Total number of days with different AQI categories in last 210 days in 2026 (155 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2026, 74% of 210 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
Saijo, Ehime, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI (US)
27AQI (US)
32AQI (US)
44AQI (US)
56AQI (US)
33AQI (US)
36AQI (US)
44AQI (US)
26AQI (US)
34AQI (US)
33AQI (US)
28AQI (US)
34AQI (US)
30AQI (US)
58AQI (US)
64AQI (US)
66AQI (US)
66AQI (US)
73AQI (US)
32AQI (US)
20AQI (US)
28AQI (US)
35AQI (US)
47AQI (US)
40AQI (US)
20AQI (US)
44AQI (US)
36AQI (US)
38AQI (US)
28AQI (US)
22AQI (US)
44AQI (US)
48AQI (US)
32AQI (US)
34AQI (US)
41AQI (US)
45AQI (US)
28AQI (US)
23AQI (US)
38AQI (US)
45AQI (US)
52AQI (US)
43AQI (US)
40AQI (US)
62AQI (US)
76AQI (US)
54AQI (US)
28AQI (US)
24AQI (US)
50AQI (US)
48AQI (US)
68AQI (US)
74AQI (US)
68AQI (US)
54AQI (US)
38AQI (US)
25AQI (US)
52AQI (US)
20AQI (US)
34AQI (US)
60AQI (US)
41AQI (US)
28AQI (US)
49AQI (US)
49AQI (US)
40AQI (US)
28AQI (US)
42AQI (US)
56AQI (US)
54AQI (US)
58AQI (US)
37AQI (US)
42AQI (US)
60AQI (US)
50AQI (US)
45AQI (US)
60AQI (US)
50AQI (US)
60AQI (US)
46AQI (US)
58AQI (US)
58AQI (US)
55AQI (US)
56AQI (US)
16AQI (US)
38AQI (US)
69AQI (US)
82AQI (US)
88AQI (US)
28AQI (US)
16AQI (US)
48AQI (US)
54AQI (US)
42AQI (US)
24AQI (US)
54AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
36AQI (US)
35AQI (US)
36AQI (US)
46AQI (US)
70AQI (US)
60AQI (US)
26AQI (US)
42AQI (US)
50AQI (US)
50AQI (US)
45AQI (US)
38AQI (US)
43AQI (US)
32AQI (US)
20AQI (US)
46AQI (US)
44AQI (US)
42AQI (US)
52AQI (US)
45AQI (US)
29AQI (US)
40AQI (US)
52AQI (US)
43AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
38AQI (US)
30AQI (US)
28AQI (US)
33AQI (US)
34AQI (US)
32AQI (US)
38AQI (US)
30AQI (US)
34AQI (US)
78AQI (US)
64AQI (US)
53AQI (US)
46AQI (US)
60AQI (US)
65AQI (US)
69AQI (US)
60AQI (US)
62AQI (US)
54AQI (US)
42AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
28AQI (US)
33AQI (US)
24AQI (US)
18AQI (US)
26AQI (US)
23AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
27AQI (US)
38AQI (US)
56AQI (US)
20AQI (US)
14AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
34AQI (US)
28AQI (US)
46AQI (US)
60AQI (US)
14AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
30AQI (US)
54AQI (US)
36AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
37AQI (US)
56AQI (US)
60AQI (US)
60AQI (US)
64AQI (US)
66AQI (US)
60AQI (US)
58AQI (US)
54AQI (US)
48AQI (US)
42AQI (US)
38AQI (US)
28AQI (US)
39AQI (US)
45AQI (US)
50AQI (US)
42AQI (US)
42AQI (US)
27AQI (US)
40AQI (US)
No. of days
202641AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202550AQI (US)
Highest AQI (US) recorded in
October59AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202447AQI (US)
Highest AQI (US) recorded in
April66AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202347AQI (US)
Highest AQI (US) recorded in
April59AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202246AQI (US)
Highest AQI (US) recorded in
May58AQI (US)
Lowest AQI (US) recorded in
December37AQI (US)
202144AQI (US)
Highest AQI (US) recorded in
June56AQI (US)
Lowest AQI (US) recorded in
December38AQI (US)
202046AQI (US)
Highest AQI (US) recorded in
August63AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Saijo's annual 2026 AQI (US) (41) shows an average percentage change of -12.01% (improved AQI (US)) compared to previous years: 2020 (46), 2021 (44), 2022 (46), 2023 (47), 2024 (47), 2025 (50).