Nishio, Aichi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Nishio, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 31 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Day & Night AQI Trend: 30th Sep - 1st Oct 2026
Nishio, Aichi, Japan
5 AM30th Sep 2026
5 PM
4 AM1st Oct 2026
29AQI
25AQI
50AQI
27AQI
In the last 24 hours,
Nishio's AQI reached its highest point of 50 at 12 AM during the Night, while the lowest point, 25, was recorded at 3 PM during the Day between 30th Sep and 1st Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Nishio, Aichi, Japan
27°C26/29°C
26°C23/27°C
23°C22/25°C
24°C22/25°C
23°C21/25°C
24°C23/25°C
26°C24/27°C
26°C22/27°C
22°C21/23°C
23°C22/24°C
24°C24/25°C
25°C24/27°C
26°C25/27°C
24°C23/26°C
23°C22/24°C
24°C22/25°C
24°C23/26°C
25°C23/27°C
25°C24/27°C
25°C24/26°C
25°C23/28°C
24°C22/25°C
25°C23/28°C
24°C22/26°C
22°C20/24°C
22°C21/23°C
23°C21/24°C
19°C17/22°C
21°C18/23°C
24°C22/27°C
30AQI
26AQI
30AQI
27AQI
2026 Days Vs Air Quality
Nishio, Aichi, Japan
85%
233
15%
41
Total number of days with different AQI categories in last 274 days in 2026 (91 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 274 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
Nishio, Aichi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
14AQI (US)
13AQI (US)
26AQI (US)
52AQI (US)
18AQI (US)
31AQI (US)
34AQI (US)
22AQI (US)
27AQI (US)
36AQI (US)
19AQI (US)
45AQI (US)
27AQI (US)
43AQI (US)
65AQI (US)
58AQI (US)
60AQI (US)
66AQI (US)
32AQI (US)
12AQI (US)
20AQI (US)
37AQI (US)
45AQI (US)
44AQI (US)
12AQI (US)
37AQI (US)
31AQI (US)
29AQI (US)
38AQI (US)
34AQI (US)
37AQI (US)
45AQI (US)
30AQI (US)
43AQI (US)
58AQI (US)
52AQI (US)
17AQI (US)
15AQI (US)
34AQI (US)
47AQI (US)
48AQI (US)
53AQI (US)
58AQI (US)
55AQI (US)
60AQI (US)
60AQI (US)
24AQI (US)
33AQI (US)
31AQI (US)
34AQI (US)
54AQI (US)
46AQI (US)
47AQI (US)
53AQI (US)
26AQI (US)
22AQI (US)
46AQI (US)
31AQI (US)
22AQI (US)
56AQI (US)
39AQI (US)
47AQI (US)
48AQI (US)
49AQI (US)
42AQI (US)
34AQI (US)
40AQI (US)
57AQI (US)
54AQI (US)
58AQI (US)
36AQI (US)
44AQI (US)
57AQI (US)
46AQI (US)
46AQI (US)
50AQI (US)
27AQI (US)
48AQI (US)
40AQI (US)
53AQI (US)
54AQI (US)
46AQI (US)
42AQI (US)
23AQI (US)
34AQI (US)
56AQI (US)
56AQI (US)
44AQI (US)
21AQI (US)
21AQI (US)
40AQI (US)
51AQI (US)
39AQI (US)
36AQI (US)
32AQI (US)
38AQI (US)
29AQI (US)
28AQI (US)
46AQI (US)
35AQI (US)
33AQI (US)
36AQI (US)
52AQI (US)
31AQI (US)
27AQI (US)
36AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
38AQI (US)
47AQI (US)
34AQI (US)
20AQI (US)
39AQI (US)
50AQI (US)
49AQI (US)
45AQI (US)
41AQI (US)
34AQI (US)
45AQI (US)
52AQI (US)
45AQI (US)
23AQI (US)
18AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
39AQI (US)
31AQI (US)
35AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
49AQI (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)
28AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
21AQI (US)
27AQI (US)
28AQI (US)
23AQI (US)
32AQI (US)
53AQI (US)
58AQI (US)
41AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
19AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
18AQI (US)
30AQI (US)
41AQI (US)
27AQI (US)
39AQI (US)
52AQI (US)
50AQI (US)
46AQI (US)
18AQI (US)
29AQI (US)
55AQI (US)
72AQI (US)
52AQI (US)
63AQI (US)
46AQI (US)
39AQI (US)
32AQI (US)
29AQI (US)
25AQI (US)
49AQI (US)
41AQI (US)
41AQI (US)
50AQI (US)
46AQI (US)
29AQI (US)
35AQI (US)
28AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
23AQI (US)
28AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
33AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
34AQI (US)
37AQI (US)
32AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
15AQI (US)
24AQI (US)
35AQI (US)
11AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
50AQI (US)
34AQI (US)
13AQI (US)
27AQI (US)
32AQI (US)
31AQI (US)
36AQI (US)
41AQI (US)
30AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
34AQI (US)
41AQI (US)
44AQI (US)
37AQI (US)
40AQI (US)
26AQI (US)
36AQI (US)
29AQI (US)
27AQI (US)
31AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202429AQI (US)
Highest AQI (US) recorded in
April34AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202326AQI (US)
Highest AQI (US) recorded in
April34AQI (US)
Lowest AQI (US) recorded in
August18AQI (US)
202229AQI (US)
Highest AQI (US) recorded in
May44AQI (US)
Lowest AQI (US) recorded in
November22AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
January12AQI (US)
202014AQI (US)
Highest AQI (US) recorded in
August18AQI (US)
Lowest AQI (US) recorded in
May10AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nishio's annual 2026 AQI (US) (35) shows an average percentage change of 44.3% (worsened AQI (US)) compared to previous years: 2020 (14), 2021 (25), 2022 (29), 2023 (26), 2024 (29), 2025 (35).