Fungus, Niihama, Ehime, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Fungus, Niihama, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 43 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Fungus, Niihama, Ehime, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
59AQI
38AQI
In the last 24 hours,
Fungus's AQI reached its highest point of 59 at 2 PM during the Night, while the lowest point, 38, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Fungus, Niihama, Ehime, Japan
26°C23/30°C
26°C24/30°C
26°C23/30°C
25°C23/28°C
25°C23/28°C
25°C22/28°C
25°C23/28°C
25°C23/28°C
25°C22/28°C
25°C23/28°C
24°C22/26°C
24°C22/27°C
25°C22/28°C
25°C23/27°C
25°C22/28°C
25°C22/28°C
25°C22/29°C
25°C23/29°C
26°C22/29°C
26°C23/29°C
26°C23/29°C
26°C24/29°C
26°C24/29°C
26°C24/29°C
26°C23/28°C
26°C24/29°C
27°C23/30°C
27°C24/30°C
27°C24/31°C
--°C/°C
--°C/°C
54AQI
44AQI
54AQI
54AQI
2025 Days Vs Air Quality
Fungus, Niihama, Ehime, Japan
60%
128
39%
83
0.9%
2
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 214 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Fungus, Niihama, Ehime, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
38AQI
33AQI
33AQI
31AQI
46AQI
33AQI
33AQI
29AQI
27AQI
28AQI
30AQI
40AQI
47AQI
44AQI
38AQI
37AQI
33AQI
54AQI
42AQI
54AQI
60AQI
69AQI
90AQI
47AQI
48AQI
45AQI
47AQI
39AQI
47AQI
60AQI
68AQI
47AQI
52AQI
39AQI
40AQI
33AQI
41AQI
31AQI
31AQI
31AQI
35AQI
47AQI
34AQI
48AQI
34AQI
55AQI
48AQI
42AQI
42AQI
36AQI
39AQI
43AQI
38AQI
40AQI
40AQI
40AQI
72AQI
84AQI
100AQI
119AQI
61AQI
63AQI
46AQI
41AQI
38AQI
44AQI
44AQI
45AQI
55AQI
55AQI
62AQI
56AQI
41AQI
29AQI
45AQI
30AQI
43AQI
44AQI
60AQI
62AQI
68AQI
66AQI
83AQI
76AQI
93AQI
61AQI
53AQI
43AQI
43AQI
49AQI
42AQI
30AQI
36AQI
45AQI
47AQI
47AQI
41AQI
60AQI
61AQI
60AQI
64AQI
45AQI
48AQI
30AQI
48AQI
52AQI
63AQI
60AQI
53AQI
47AQI
59AQI
41AQI
41AQI
57AQI
59AQI
57AQI
50AQI
48AQI
57AQI
55AQI
40AQI
50AQI
39AQI
44AQI
39AQI
35AQI
38AQI
39AQI
36AQI
38AQI
51AQI
54AQI
61AQI
59AQI
64AQI
49AQI
52AQI
60AQI
66AQI
71AQI
47AQI
54AQI
43AQI
29AQI
39AQI
41AQI
44AQI
49AQI
44AQI
40AQI
45AQI
55AQI
35AQI
46AQI
46AQI
55AQI
58AQI
70AQI
59AQI
41AQI
48AQI
56AQI
56AQI
59AQI
41AQI
41AQI
37AQI
45AQI
48AQI
55AQI
58AQI
63AQI
56AQI
54AQI
56AQI
52AQI
54AQI
56AQI
57AQI
58AQI
59AQI
80AQI
99AQI
109AQI
96AQI
76AQI
70AQI
72AQI
74AQI
76AQI
63AQI
60AQI
55AQI
47AQI
50AQI
57AQI
50AQI
45AQI
43AQI
40AQI
39AQI
37AQI
42AQI
46AQI
32AQI
27AQI
27AQI
35AQI
41AQI
40AQI
39AQI
43AQI
43AQI
44AQI
57AQI
50AQI
47AQI
52AQI
56AQI
43AQI
No. of days
202550AQI
Highest AQI recorded in
March57AQI
Lowest AQI recorded in
August43AQI
202444AQI
Highest AQI recorded in
April64AQI
Lowest AQI recorded in
December32AQI
202348AQI
Highest AQI recorded in
June56AQI
Lowest AQI recorded in
December41AQI
202245AQI
Highest AQI recorded in
May56AQI
Lowest AQI recorded in
December35AQI
202144AQI
Highest AQI recorded in
June57AQI
Lowest AQI recorded in
January38AQI
202045AQI
Highest AQI recorded in
August66AQI
Lowest AQI recorded in
September32AQI
Most & Least Polluted Years Over the Last 6 Years
Fungus's annual 2025 AQI (50) shows an average percentage change of 10.09% (worsened AQI) compared to previous years: 2020 (45), 2021 (44), 2022 (45), 2023 (48), 2024 (44).