Moriyama Ku, Kasugai, Aichi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Moriyama Ku, Kasugai, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (27th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Nov - 28th Nov 2025
Moriyama Ku, Kasugai, Aichi, Japan
6 AM27th Nov 2025
4 PM
5 AM28th Nov 2025
AQI
AQI
60AQI
43AQI
In the last 24 hours,
Moriyama Ku's AQI reached its highest point of 60 at 8 AM during the Night, while the lowest point, 43, was recorded at 1 PM during the Night between 27th Nov and 28th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Moriyama Ku, Kasugai, Aichi, Japan
13°C9/18°C
15°C12/19°C
15°C13/18°C
15°C12/19°C
16°C13/19°C
13°C11/17°C
13°C9/16°C
15°C13/17°C
17°C14/22°C
15°C11/21°C
14°C10/19°C
14°C13/15°C
14°C10/16°C
12°C8/16°C
12°C8/16°C
15°C13/18°C
14°C11/19°C
14°C10/18°C
14°C10/19°C
15°C11/20°C
11°C9/11°C
9°C7/13°C
10°C6/14°C
12°C9/16°C
12°C9/17°C
12°C9/16°C
13°C9/17°C
12°C11/16°C
12°C9/17°C
--°C/°C
--°C/°C
44AQI
40AQI
43AQI
39AQI
2025 Days Vs Air Quality
Moriyama Ku, Kasugai, Aichi, Japan
87%
288
13%
43
Total number of days with different AQI categories in last 331 days in 2025 (34 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 331 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
Moriyama Ku, Kasugai, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
25AQI
26AQI
26AQI
25AQI
23AQI
26AQI
26AQI
26AQI
21AQI
23AQI
25AQI
24AQI
29AQI
28AQI
24AQI
27AQI
25AQI
26AQI
26AQI
32AQI
30AQI
36AQI
36AQI
35AQI
31AQI
25AQI
29AQI
29AQI
28AQI
31AQI
36AQI
24AQI
29AQI
29AQI
29AQI
30AQI
29AQI
28AQI
27AQI
29AQI
29AQI
25AQI
31AQI
27AQI
30AQI
30AQI
32AQI
29AQI
29AQI
29AQI
29AQI
29AQI
31AQI
31AQI
30AQI
35AQI
38AQI
36AQI
38AQI
36AQI
32AQI
23AQI
22AQI
31AQI
30AQI
30AQI
34AQI
34AQI
29AQI
27AQI
34AQI
21AQI
20AQI
16AQI
16AQI
17AQI
14AQI
18AQI
29AQI
27AQI
33AQI
32AQI
39AQI
44AQI
37AQI
27AQI
23AQI
20AQI
21AQI
18AQI
18AQI
16AQI
16AQI
16AQI
14AQI
15AQI
16AQI
16AQI
18AQI
20AQI
20AQI
17AQI
20AQI
18AQI
18AQI
20AQI
23AQI
22AQI
20AQI
16AQI
15AQI
14AQI
13AQI
16AQI
17AQI
16AQI
17AQI
17AQI
17AQI
17AQI
17AQI
18AQI
18AQI
18AQI
15AQI
15AQI
16AQI
16AQI
15AQI
15AQI
18AQI
20AQI
20AQI
20AQI
20AQI
17AQI
20AQI
22AQI
28AQI
26AQI
22AQI
20AQI
20AQI
17AQI
17AQI
17AQI
15AQI
17AQI
15AQI
15AQI
15AQI
17AQI
16AQI
17AQI
18AQI
19AQI
22AQI
24AQI
20AQI
17AQI
16AQI
19AQI
18AQI
17AQI
18AQI
18AQI
19AQI
22AQI
23AQI
25AQI
22AQI
16AQI
15AQI
17AQI
18AQI
17AQI
22AQI
21AQI
20AQI
37AQI
52AQI
81AQI
82AQI
71AQI
75AQI
62AQI
69AQI
75AQI
86AQI
63AQI
52AQI
52AQI
51AQI
41AQI
48AQI
44AQI
37AQI
35AQI
32AQI
33AQI
35AQI
34AQI
37AQI
36AQI
28AQI
24AQI
26AQI
32AQI
38AQI
40AQI
39AQI
44AQI
45AQI
49AQI
66AQI
53AQI
52AQI
44AQI
38AQI
48AQI
37AQI
35AQI
36AQI
35AQI
40AQI
41AQI
44AQI
43AQI
46AQI
49AQI
47AQI
51AQI
50AQI
51AQI
59AQI
58AQI
56AQI
53AQI
51AQI
56AQI
56AQI
55AQI
42AQI
38AQI
39AQI
28AQI
24AQI
28AQI
33AQI
39AQI
40AQI
37AQI
30AQI
31AQI
27AQI
39AQI
33AQI
45AQI
50AQI
38AQI
34AQI
38AQI
27AQI
30AQI
36AQI
35AQI
36AQI
31AQI
30AQI
30AQI
21AQI
30AQI
44AQI
39AQI
52AQI
62AQI
54AQI
51AQI
45AQI
54AQI
48AQI
47AQI
56AQI
49AQI
47AQI
40AQI
49AQI
45AQI
41AQI
48AQI
39AQI
28AQI
25AQI
22AQI
33AQI
34AQI
57AQI
42AQI
40AQI
50AQI
30AQI
52AQI
55AQI
24AQI
42AQI
30AQI
25AQI
50AQI
47AQI
38AQI
52AQI
54AQI
25AQI
28AQI
33AQI
52AQI
55AQI
42AQI
49AQI
60AQI
32AQI
23AQI
35AQI
55AQI
33AQI
43AQI
49AQI
55AQI
40AQI
54AQI
27AQI
30AQI
28AQI
17AQI
18AQI
20AQI
49AQI
48AQI
34AQI
44AQI
42AQI
No. of days
202532AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
April17AQI
202437AQI
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
December25AQI
202340AQI
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August29AQI
202240AQI
Highest AQI recorded in
May50AQI
Lowest AQI recorded in
August17AQI
202138AQI
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
April32AQI
202036AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
September27AQI
Most & Least Polluted Years Over the Last 6 Years
Moriyama Ku's annual 2025 AQI (32) shows an average percentage change of -14.5% (improved AQI) compared to previous years: 2020 (36), 2021 (38), 2022 (40), 2023 (40), 2024 (37).