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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Nishio, Aichi, Japan Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

September Air Quality Analysis

Nishio, Aichi, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
17th Sep 2025
51AQI
Lowest AQI recorded on
14th Sep 2024
11AQI

Same Day Analysis (30th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.

Day & Night AQI Trend: 29th Sep - 30th Sep 2026

Nishio, Aichi, Japan

AQI
Day
Night
.

5 AM29th Sep 2026

5 PM

4 AM30th Sep 2026

Day time
Avg. Highest Time
6AM29th Sep

29AQI

Avg. Lowest Time
5PM29th Sep

25AQI

Night time
Avg. Highest Time
12AM30th Sep

29AQI

Avg. Lowest Time
3AM30th Sep

21AQI

In the last 24 hours,

Nishio's AQI reached its highest point of 29 at 6 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 29th Sep and 30th Sep 2026.

Day & Night AQI Trend : Sep 2026

Nishio, Aichi, Japan

Sep
01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
1st Sep 2026405 AMAQI
1st Sep 2026406 AMAQI
1st Sep 2026317 AMAQI
1st Sep 2026338 AMAQI
1st Sep 2026339 AMAQI
1st Sep 20263310 AMAQI
1st Sep 20263611 AMAQI
1st Sep 20264012 PMAQI
1st Sep 2026381 PMAQI
1st Sep 2026382 PMAQI
1st Sep 2026293 PMAQI
1st Sep 2026294 PMAQI
1st Sep 2026275 PMAQI
1st Sep 2026256 PMAQI
1st Sep 2026277 PMAQI
1st Sep 2026318 PMAQI
1st Sep 2026279 PMAQI
1st Sep 20262110 PMAQI
1st Sep 20262311 PMAQI
2nd Sep 20262712 AMAQI
2nd Sep 2026291 AMAQI
2nd Sep 2026252 AMAQI
2nd Sep 2026293 AMAQI
2nd Sep 2026254 AMAQI

26°C26/27°C

2nd Sep 2026215 AMAQI
2nd Sep 2026276 AMAQI
2nd Sep 2026257 AMAQI
2nd Sep 2026298 AMAQI
2nd Sep 2026319 AMAQI
2nd Sep 20262910 AMAQI
2nd Sep 20262111 AMAQI
2nd Sep 20262712 PMAQI
2nd Sep 2026251 PMAQI
2nd Sep 2026252 PMAQI
2nd Sep 2026253 PMAQI
2nd Sep 2026254 PMAQI
2nd Sep 2026235 PMAQI
2nd Sep 2026256 PMAQI
2nd Sep 2026217 PMAQI
2nd Sep 2026218 PMAQI
2nd Sep 2026259 PMAQI
2nd Sep 20262510 PMAQI
2nd Sep 20262111 PMAQI
3rd Sep 20262512 AMAQI
3rd Sep 2026291 AMAQI
3rd Sep 2026212 AMAQI
3rd Sep 2026253 AMAQI
3rd Sep 2026254 AMAQI

27°C26/29°C

3rd Sep 2026255 AMAQI
3rd Sep 2026296 AMAQI
3rd Sep 2026257 AMAQI
3rd Sep 2026258 AMAQI
3rd Sep 2026259 AMAQI
3rd Sep 20262510 AMAQI
3rd Sep 20262511 AMAQI
3rd Sep 20262112 PMAQI
3rd Sep 2026271 PMAQI
3rd Sep 2026252 PMAQI
3rd Sep 2026253 PMAQI
3rd Sep 2026254 PMAQI
3rd Sep 2026215 PMAQI
3rd Sep 2026296 PMAQI
3rd Sep 2026297 PMAQI
3rd Sep 2026298 PMAQI
3rd Sep 2026349 PMAQI
3rd Sep 20263810 PMAQI
3rd Sep 20263811 PMAQI
4th Sep 20262912 AMAQI
4th Sep 2026251 AMAQI
4th Sep 2026252 AMAQI
4th Sep 2026253 AMAQI
4th Sep 2026254 AMAQI

26°C23/27°C

4th Sep 2026215 AMAQI
4th Sep 2026216 AMAQI
4th Sep 2026237 AMAQI
4th Sep 2026258 AMAQI
4th Sep 2026219 AMAQI
4th Sep 20263310 AMAQI
4th Sep 20263311 AMAQI
4th Sep 20262112 PMAQI
4th Sep 2026251 PMAQI
4th Sep 2026252 PMAQI
4th Sep 2026213 PMAQI
4th Sep 2026254 PMAQI
4th Sep 2026275 PMAQI
4th Sep 2026296 PMAQI
4th Sep 2026257 PMAQI
4th Sep 2026218 PMAQI
4th Sep 2026299 PMAQI
4th Sep 20262510 PMAQI
4th Sep 20262311 PMAQI
5th Sep 20262512 AMAQI
5th Sep 2026251 AMAQI
5th Sep 2026292 AMAQI
5th Sep 2026253 AMAQI
5th Sep 2026234 AMAQI

23°C22/25°C

5th Sep 2026255 AMAQI
5th Sep 2026256 AMAQI
5th Sep 2026217 AMAQI
5th Sep 2026258 AMAQI
5th Sep 2026259 AMAQI
5th Sep 20262510 AMAQI
5th Sep 20262511 AMAQI
5th Sep 20262512 PMAQI
5th Sep 2026251 PMAQI
5th Sep 2026292 PMAQI
5th Sep 2026333 PMAQI
5th Sep 2026254 PMAQI
5th Sep 2026255 PMAQI
5th Sep 2026256 PMAQI
5th Sep 2026297 PMAQI
5th Sep 2026218 PMAQI
5th Sep 2026219 PMAQI
5th Sep 20262110 PMAQI
5th Sep 20262511 PMAQI
6th Sep 20262512 AMAQI
6th Sep 2026251 AMAQI
6th Sep 2026252 AMAQI
6th Sep 2026253 AMAQI
6th Sep 2026214 AMAQI

24°C22/25°C

6th Sep 2026255 AMAQI
6th Sep 2026256 AMAQI
6th Sep 2026257 AMAQI
6th Sep 2026258 AMAQI
6th Sep 2026259 AMAQI
6th Sep 20262910 AMAQI
6th Sep 20262911 AMAQI
6th Sep 20262512 PMAQI
6th Sep 2026231 PMAQI
6th Sep 2026212 PMAQI
6th Sep 2026213 PMAQI
6th Sep 2026214 PMAQI
6th Sep 2026255 PMAQI
6th Sep 2026256 PMAQI
6th Sep 2026257 PMAQI
6th Sep 2026258 PMAQI
6th Sep 2026259 PMAQI
6th Sep 20262510 PMAQI
6th Sep 20262511 PMAQI
7th Sep 20262912 AMAQI
7th Sep 2026251 AMAQI
7th Sep 2026252 AMAQI
7th Sep 2026253 AMAQI
7th Sep 2026254 AMAQI

23°C21/25°C

7th Sep 2026255 AMAQI
7th Sep 2026276 AMAQI
7th Sep 2026257 AMAQI
7th Sep 2026258 AMAQI
7th Sep 2026259 AMAQI
7th Sep 20262910 AMAQI
7th Sep 20262511 AMAQI
7th Sep 20262312 PMAQI
7th Sep 2026211 PMAQI
7th Sep 2026252 PMAQI
7th Sep 2026253 PMAQI
7th Sep 2026254 PMAQI
7th Sep 2026255 PMAQI
7th Sep 2026216 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026298 PMAQI
7th Sep 2026259 PMAQI
7th Sep 20262510 PMAQI
7th Sep 20262511 PMAQI
8th Sep 20262112 AMAQI
8th Sep 2026211 AMAQI
8th Sep 2026252 AMAQI
8th Sep 2026213 AMAQI
8th Sep 2026234 AMAQI

24°C23/25°C

8th Sep 2026235 AMAQI
8th Sep 2026236 AMAQI
8th Sep 2026257 AMAQI
8th Sep 2026258 AMAQI
8th Sep 2026259 AMAQI
8th Sep 20262510 AMAQI
8th Sep 20262511 AMAQI
8th Sep 20262512 PMAQI
8th Sep 2026231 PMAQI
8th Sep 2026212 PMAQI
8th Sep 2026213 PMAQI
8th Sep 2026214 PMAQI
8th Sep 2026255 PMAQI
8th Sep 2026216 PMAQI
8th Sep 2026237 PMAQI
8th Sep 2026278 PMAQI
8th Sep 2026259 PMAQI
8th Sep 20264010 PMAQI
8th Sep 20264011 PMAQI
9th Sep 20261912 AMAQI
9th Sep 2026231 AMAQI
9th Sep 2026232 AMAQI
9th Sep 2026583 AMAQI
9th Sep 2026974 AMAQI

26°C24/27°C

9th Sep 2026605 AMAQI
9th Sep 2026326 AMAQI
9th Sep 2026407 AMAQI
9th Sep 2026318 AMAQI
9th Sep 2026189 AMAQI
9th Sep 20261710 AMAQI
9th Sep 20262311 AMAQI
9th Sep 20262712 PMAQI
9th Sep 2026311 PMAQI
9th Sep 2026292 PMAQI
9th Sep 2026253 PMAQI
9th Sep 2026274 PMAQI
9th Sep 2026255 PMAQI
9th Sep 2026206 PMAQI
9th Sep 2026167 PMAQI
9th Sep 2026108 PMAQI
9th Sep 202689 PMAQI
9th Sep 2026810 PMAQI
9th Sep 20261211 PMAQI
10th Sep 20261412 AMAQI
10th Sep 2026191 AMAQI
10th Sep 2026192 AMAQI
10th Sep 2026173 AMAQI
10th Sep 2026174 AMAQI

26°C22/27°C

10th Sep 2026145 AMAQI
10th Sep 2026146 AMAQI
10th Sep 2026147 AMAQI
10th Sep 2026108 AMAQI
10th Sep 202689 AMAQI
10th Sep 2026810 AMAQI
10th Sep 20261111 AMAQI
10th Sep 20261212 PMAQI
10th Sep 202691 PMAQI
10th Sep 2026142 PMAQI
10th Sep 2026143 PMAQI
10th Sep 2026144 PMAQI
10th Sep 2026205 PMAQI
10th Sep 2026166 PMAQI
10th Sep 2026197 PMAQI
10th Sep 2026198 PMAQI
10th Sep 2026179 PMAQI
10th Sep 20261710 PMAQI
10th Sep 20261911 PMAQI
11th Sep 20262512 AMAQI
11th Sep 2026271 AMAQI
11th Sep 2026232 AMAQI
11th Sep 2026213 AMAQI
11th Sep 2026254 AMAQI

22°C21/23°C

11th Sep 2026255 AMAQI
11th Sep 2026216 AMAQI
11th Sep 2026237 AMAQI
11th Sep 2026238 AMAQI
11th Sep 2026219 AMAQI
11th Sep 20262910 AMAQI
11th Sep 20262111 AMAQI
11th Sep 20262512 PMAQI
11th Sep 2026171 PMAQI
11th Sep 2026212 PMAQI
11th Sep 2026213 PMAQI
11th Sep 2026214 PMAQI
11th Sep 2026255 PMAQI
11th Sep 2026236 PMAQI
11th Sep 2026257 PMAQI
11th Sep 2026258 PMAQI
11th Sep 2026239 PMAQI
11th Sep 20262510 PMAQI
11th Sep 20262911 PMAQI
12th Sep 20262712 AMAQI
12th Sep 2026231 AMAQI
12th Sep 2026252 AMAQI
12th Sep 2026323 AMAQI
12th Sep 2026364 AMAQI

23°C22/24°C

12th Sep 2026505 AMAQI
12th Sep 2026586 AMAQI
12th Sep 2026587 AMAQI
12th Sep 2026588 AMAQI
12th Sep 2026519 AMAQI
12th Sep 20265110 AMAQI
12th Sep 20264211 AMAQI
12th Sep 20263312 PMAQI
12th Sep 2026541 PMAQI
12th Sep 2026652 PMAQI
12th Sep 2026583 PMAQI
12th Sep 2026364 PMAQI
12th Sep 2026145 PMAQI
12th Sep 2026236 PMAQI
12th Sep 202687 PMAQI
12th Sep 2026148 PMAQI
12th Sep 2026179 PMAQI
12th Sep 20261010 PMAQI
12th Sep 2026711 PMAQI
13th Sep 2026812 AMAQI
13th Sep 202691 AMAQI
13th Sep 202682 AMAQI
13th Sep 202683 AMAQI
13th Sep 202684 AMAQI

24°C24/25°C

13th Sep 202676 AMAQI
13th Sep 202687 AMAQI
13th Sep 202688 AMAQI
13th Sep 202689 AMAQI
13th Sep 2026810 AMAQI
13th Sep 2026811 AMAQI
13th Sep 2026612 PMAQI
13th Sep 202681 PMAQI
13th Sep 202682 PMAQI
13th Sep 2026143 PMAQI
13th Sep 2026174 PMAQI
13th Sep 2026195 PMAQI
13th Sep 2026146 PMAQI
13th Sep 2026197 PMAQI
13th Sep 2026148 PMAQI
13th Sep 2026149 PMAQI
13th Sep 20261910 PMAQI
13th Sep 20262311 PMAQI
14th Sep 20262312 AMAQI
14th Sep 2026231 AMAQI
14th Sep 2026232 AMAQI
14th Sep 2026113 AMAQI
14th Sep 2026174 AMAQI

25°C24/27°C

14th Sep 2026175 AMAQI
14th Sep 2026296 AMAQI
14th Sep 2026257 AMAQI
14th Sep 2026258 AMAQI
14th Sep 2026259 AMAQI
14th Sep 20262510 AMAQI
14th Sep 20262511 AMAQI
14th Sep 20262512 PMAQI
14th Sep 2026251 PMAQI
14th Sep 2026212 PMAQI
14th Sep 2026253 PMAQI
14th Sep 2026254 PMAQI
14th Sep 2026275 PMAQI
14th Sep 2026256 PMAQI
14th Sep 2026257 PMAQI
14th Sep 2026258 PMAQI
14th Sep 2026259 PMAQI
14th Sep 20263310 PMAQI
14th Sep 20262511 PMAQI
15th Sep 20262512 AMAQI
15th Sep 2026251 AMAQI
15th Sep 2026212 AMAQI
15th Sep 2026253 AMAQI
15th Sep 2026214 AMAQI

26°C25/27°C

15th Sep 2026215 AMAQI
15th Sep 2026216 AMAQI
15th Sep 2026297 AMAQI
15th Sep 2026258 AMAQI
15th Sep 2026339 AMAQI
15th Sep 20262110 AMAQI
15th Sep 20262711 AMAQI
15th Sep 20262912 PMAQI
15th Sep 2026211 PMAQI
15th Sep 2026252 PMAQI
15th Sep 2026213 PMAQI
15th Sep 2026214 PMAQI
15th Sep 2026215 PMAQI
15th Sep 2026406 PMAQI
15th Sep 2026257 PMAQI
15th Sep 2026258 PMAQI
15th Sep 2026299 PMAQI
15th Sep 20262110 PMAQI
15th Sep 20262111 PMAQI
16th Sep 20262312 AMAQI
16th Sep 2026211 AMAQI
16th Sep 2026252 AMAQI
16th Sep 2026213 AMAQI
16th Sep 2026214 AMAQI

24°C23/26°C

16th Sep 2026215 AMAQI
16th Sep 2026256 AMAQI
16th Sep 2026257 AMAQI
16th Sep 2026298 AMAQI
16th Sep 2026219 AMAQI
16th Sep 20262510 AMAQI
16th Sep 20262511 AMAQI
16th Sep 20262512 PMAQI
16th Sep 2026251 PMAQI
16th Sep 2026252 PMAQI
16th Sep 2026253 PMAQI
16th Sep 2026254 PMAQI
16th Sep 2026255 PMAQI
16th Sep 2026296 PMAQI
16th Sep 2026297 PMAQI
16th Sep 2026258 PMAQI
16th Sep 2026299 PMAQI
16th Sep 20262510 PMAQI
16th Sep 20262511 PMAQI
17th Sep 20262112 AMAQI
17th Sep 2026251 AMAQI
17th Sep 2026212 AMAQI
17th Sep 2026253 AMAQI
17th Sep 2026404 AMAQI

23°C22/24°C

17th Sep 2026255 AMAQI
17th Sep 2026256 AMAQI
17th Sep 2026257 AMAQI
17th Sep 2026218 AMAQI
17th Sep 2026219 AMAQI
17th Sep 20262510 AMAQI
17th Sep 20263111 AMAQI
17th Sep 20262512 PMAQI
17th Sep 2026251 PMAQI
17th Sep 2026212 PMAQI
17th Sep 2026253 PMAQI
17th Sep 2026214 PMAQI
17th Sep 2026215 PMAQI
17th Sep 2026256 PMAQI
17th Sep 2026257 PMAQI
17th Sep 2026218 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20262510 PMAQI
17th Sep 20262511 PMAQI
18th Sep 20262512 AMAQI
18th Sep 2026251 AMAQI
18th Sep 2026252 AMAQI
18th Sep 2026253 AMAQI
18th Sep 2026254 AMAQI

24°C22/25°C

18th Sep 2026255 AMAQI
18th Sep 2026256 AMAQI
18th Sep 2026297 AMAQI
18th Sep 2026238 AMAQI
18th Sep 2026219 AMAQI
18th Sep 20262310 AMAQI
18th Sep 20262111 AMAQI
18th Sep 20262112 PMAQI
18th Sep 2026271 PMAQI
18th Sep 2026272 PMAQI
18th Sep 2026313 PMAQI
18th Sep 2026384 PMAQI
18th Sep 2026385 PMAQI
18th Sep 2026386 PMAQI
18th Sep 2026387 PMAQI
18th Sep 2026568 PMAQI
18th Sep 2026299 PMAQI
18th Sep 20262910 PMAQI
18th Sep 20264011 PMAQI
19th Sep 20262912 AMAQI
19th Sep 2026501 AMAQI
19th Sep 2026402 AMAQI
19th Sep 2026383 AMAQI
19th Sep 2026514 AMAQI

24°C23/26°C

19th Sep 2026515 AMAQI
19th Sep 2026546 AMAQI
19th Sep 2026507 AMAQI
19th Sep 2026538 AMAQI
19th Sep 2026569 AMAQI
19th Sep 20264910 AMAQI
19th Sep 20265211 AMAQI
19th Sep 20265412 PMAQI
19th Sep 2026511 PMAQI
19th Sep 2026572 PMAQI
19th Sep 2026543 PMAQI
19th Sep 2026584 PMAQI
19th Sep 2026555 PMAQI
19th Sep 2026566 PMAQI
19th Sep 2026547 PMAQI
19th Sep 2026498 PMAQI
19th Sep 2026449 PMAQI
19th Sep 20264610 PMAQI
19th Sep 20264411 PMAQI
20th Sep 20264612 AMAQI
20th Sep 2026461 AMAQI
20th Sep 2026442 AMAQI
20th Sep 2026313 AMAQI
20th Sep 2026314 AMAQI

25°C23/27°C

20th Sep 2026295 AMAQI
20th Sep 2026406 AMAQI
20th Sep 2026337 AMAQI
20th Sep 2026368 AMAQI
20th Sep 2026319 AMAQI
20th Sep 20262910 AMAQI
20th Sep 20262911 AMAQI
20th Sep 20263312 PMAQI
20th Sep 2026271 PMAQI
20th Sep 2026312 PMAQI
20th Sep 2026293 PMAQI
20th Sep 2026254 PMAQI
20th Sep 2026805 PMAQI
20th Sep 2026746 PMAQI
20th Sep 2026277 PMAQI
20th Sep 2026278 PMAQI
20th Sep 2026199 PMAQI
20th Sep 20261910 PMAQI
20th Sep 2026911 PMAQI
21st Sep 20261112 AMAQI
21st Sep 2026121 AMAQI
21st Sep 2026122 AMAQI
21st Sep 202683 AMAQI
21st Sep 2026174 AMAQI

25°C24/27°C

21st Sep 2026145 AMAQI
21st Sep 2026146 AMAQI
21st Sep 2026127 AMAQI
21st Sep 202688 AMAQI
21st Sep 202689 AMAQI
21st Sep 2026810 AMAQI
21st Sep 2026811 AMAQI
21st Sep 2026812 PMAQI
21st Sep 2026161 PMAQI
21st Sep 2026142 PMAQI
21st Sep 2026213 PMAQI
21st Sep 2026124 PMAQI
21st Sep 2026195 PMAQI
21st Sep 2026126 PMAQI
21st Sep 202667 PMAQI
21st Sep 2026128 PMAQI
21st Sep 2026179 PMAQI
21st Sep 20261710 PMAQI
21st Sep 20261711 PMAQI
22nd Sep 20261712 AMAQI
22nd Sep 2026121 AMAQI
22nd Sep 2026382 AMAQI
22nd Sep 2026603 AMAQI
22nd Sep 2026544 AMAQI

25°C24/26°C

22nd Sep 2026535 AMAQI
22nd Sep 2026176 AMAQI
22nd Sep 2026197 AMAQI
22nd Sep 202688 AMAQI
22nd Sep 2026129 AMAQI
22nd Sep 20261910 AMAQI
22nd Sep 20261911 AMAQI
22nd Sep 20261212 PMAQI
22nd Sep 2026251 PMAQI
22nd Sep 2026312 PMAQI
22nd Sep 2026253 PMAQI
22nd Sep 2026334 PMAQI
22nd Sep 2026365 PMAQI
22nd Sep 2026256 PMAQI
22nd Sep 2026257 PMAQI
22nd Sep 2026258 PMAQI
22nd Sep 2026299 PMAQI
22nd Sep 20262710 PMAQI
22nd Sep 20262711 PMAQI
23rd Sep 20262712 AMAQI
23rd Sep 2026541 AMAQI
23rd Sep 2026422 AMAQI
23rd Sep 2026213 AMAQI
23rd Sep 2026274 AMAQI

25°C23/28°C

23rd Sep 2026425 AMAQI
23rd Sep 2026386 AMAQI
23rd Sep 2026257 AMAQI
23rd Sep 2026218 AMAQI
23rd Sep 2026299 AMAQI
23rd Sep 20263110 AMAQI
23rd Sep 20262511 AMAQI
23rd Sep 20262912 PMAQI
23rd Sep 2026211 PMAQI
23rd Sep 2026292 PMAQI
23rd Sep 2026293 PMAQI
23rd Sep 2026214 PMAQI
23rd Sep 2026295 PMAQI
23rd Sep 2026236 PMAQI
23rd Sep 2026387 PMAQI
23rd Sep 2026468 PMAQI
23rd Sep 2026429 PMAQI
23rd Sep 20264010 PMAQI
23rd Sep 20262911 PMAQI
24th Sep 20262312 AMAQI
24th Sep 2026211 AMAQI
24th Sep 2026252 AMAQI
24th Sep 2026253 AMAQI
24th Sep 2026254 AMAQI

24°C22/25°C

24th Sep 2026215 AMAQI
24th Sep 2026256 AMAQI
24th Sep 2026257 AMAQI
24th Sep 2026218 AMAQI
24th Sep 2026219 AMAQI
24th Sep 20262110 AMAQI
24th Sep 20262911 AMAQI
24th Sep 20263312 PMAQI
24th Sep 2026331 PMAQI
24th Sep 2026312 PMAQI
24th Sep 2026333 PMAQI
24th Sep 2026424 PMAQI
24th Sep 2026525 PMAQI
24th Sep 2026426 PMAQI
24th Sep 2026387 PMAQI
24th Sep 2026488 PMAQI
24th Sep 2026409 PMAQI
24th Sep 20263110 PMAQI
24th Sep 20262911 PMAQI
25th Sep 20263112 AMAQI
25th Sep 2026291 AMAQI
25th Sep 2026312 AMAQI
25th Sep 2026313 AMAQI
25th Sep 2026334 AMAQI

25°C23/28°C

25th Sep 2026295 AMAQI
25th Sep 2026296 AMAQI
25th Sep 2026317 AMAQI
25th Sep 2026318 AMAQI
25th Sep 2026339 AMAQI
25th Sep 20262910 AMAQI
25th Sep 20263311 AMAQI
25th Sep 20263312 PMAQI
25th Sep 2026311 PMAQI
25th Sep 2026362 PMAQI
25th Sep 2026403 PMAQI
25th Sep 2026384 PMAQI
25th Sep 2026545 PMAQI
25th Sep 2026386 PMAQI
25th Sep 2026497 PMAQI
25th Sep 2026448 PMAQI
25th Sep 2026449 PMAQI
25th Sep 20264410 PMAQI
25th Sep 20264911 PMAQI
26th Sep 20264412 AMAQI
26th Sep 2026441 AMAQI
26th Sep 2026482 AMAQI
26th Sep 2026483 AMAQI
26th Sep 2026544 AMAQI

24°C22/26°C

26th Sep 2026555 AMAQI
26th Sep 2026426 AMAQI
26th Sep 2026507 AMAQI
26th Sep 2026508 AMAQI
26th Sep 2026519 AMAQI
26th Sep 20264610 AMAQI
26th Sep 20265711 AMAQI
26th Sep 20263812 PMAQI
26th Sep 2026331 PMAQI
26th Sep 2026292 PMAQI
26th Sep 2026253 PMAQI
26th Sep 2026294 PMAQI
26th Sep 2026335 PMAQI
26th Sep 2026366 PMAQI
26th Sep 2026367 PMAQI
26th Sep 2026258 PMAQI
26th Sep 2026299 PMAQI
26th Sep 20263310 PMAQI
26th Sep 20264011 PMAQI
27th Sep 20263612 AMAQI
27th Sep 2026401 AMAQI
27th Sep 2026422 AMAQI
27th Sep 2026343 AMAQI
27th Sep 2026314 AMAQI

22°C20/24°C

27th Sep 2026255 AMAQI
27th Sep 2026276 AMAQI
27th Sep 2026277 AMAQI
27th Sep 2026318 AMAQI
27th Sep 2026299 AMAQI
27th Sep 20262910 AMAQI
27th Sep 20262911 AMAQI
27th Sep 20262912 PMAQI
27th Sep 2026291 PMAQI
27th Sep 2026252 PMAQI
27th Sep 2026213 PMAQI
27th Sep 2026314 PMAQI
27th Sep 2026365 PMAQI
27th Sep 2026316 PMAQI
27th Sep 2026237 PMAQI
27th Sep 2026298 PMAQI
27th Sep 2026279 PMAQI
27th Sep 20262910 PMAQI
27th Sep 20262511 PMAQI
28th Sep 20263312 AMAQI
28th Sep 2026251 AMAQI
28th Sep 2026272 AMAQI
28th Sep 2026213 AMAQI
28th Sep 2026214 AMAQI

22°C21/23°C

28th Sep 2026235 AMAQI
28th Sep 2026236 AMAQI
28th Sep 2026237 AMAQI
28th Sep 2026238 AMAQI
28th Sep 2026219 AMAQI
28th Sep 20262510 AMAQI
28th Sep 20262111 AMAQI
28th Sep 20262312 PMAQI
28th Sep 2026251 PMAQI
28th Sep 2026332 PMAQI
28th Sep 2026253 PMAQI
28th Sep 2026294 PMAQI
28th Sep 2026275 PMAQI
28th Sep 2026256 PMAQI
28th Sep 2026257 PMAQI
28th Sep 2026258 PMAQI
28th Sep 2026259 PMAQI
28th Sep 20262510 PMAQI
28th Sep 20262511 PMAQI
29th Sep 20262912 AMAQI
29th Sep 2026291 AMAQI
29th Sep 2026332 AMAQI
29th Sep 2026253 AMAQI
29th Sep 2026214 AMAQI

23°C21/24°C

29th Sep 2026255 AMAQI
29th Sep 2026296 AMAQI
29th Sep 2026297 AMAQI
29th Sep 2026258 AMAQI
29th Sep 2026299 AMAQI
29th Sep 20262510 AMAQI
29th Sep 20262911 AMAQI
29th Sep 20262512 PMAQI
29th Sep 2026251 PMAQI
29th Sep 2026272 PMAQI
29th Sep 2026253 PMAQI
29th Sep 2026254 PMAQI
29th Sep 2026255 PMAQI
29th Sep 2026256 PMAQI
29th Sep 2026257 PMAQI
29th Sep 2026258 PMAQI
29th Sep 2026259 PMAQI
29th Sep 20262510 PMAQI
29th Sep 20262711 PMAQI
30th Sep 20262912 AMAQI
30th Sep 2026251 AMAQI
30th Sep 2026212 AMAQI
30th Sep 2026213 AMAQI
30th Sep 2026254 AMAQI

19°C17/22°C

30th Sep 2026255 AMAQI
5 AM
30th Sep 2026276 AMAQI
30th Sep 2026257 AMAQI
30th Sep 2026278 AMAQI
30th Sep 2026299 AMAQI
30th Sep 20262710 AMAQI
30th Sep 20262911 AMAQI
11 AM
30th Sep 20262712 PMAQI
30th Sep 2026251 PMAQI
30th Sep 2026272 PMAQI
30th Sep 2026253 PMAQI
30th Sep 2026274 PMAQI
30th Sep 2026275 PMAQI
5 PM
30th Sep 2026316 PMAQI
30th Sep 2026337 PMAQI
30th Sep 2026298 PMAQI
30th Sep 2026299 PMAQI
30th Sep 20263110 PMAQI
30th Sep 20262711 PMAQI
11 PM
4 AM

21°C18/23°C

Day time
Avg. Highest Time
5 PM

30AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM

26AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 PM to 5 PM (Avg. 30), while the lowest AQI was between 9 AM to 9 AM (Avg. 26).
Night time
Avg. Highest Time
4 AM

30AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM

26AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 30), while the lowest AQI was between 12 AM to 12 AM (Avg. 26).

2026 Days Vs Air Quality

Nishio, Aichi, Japan

2026

85%

232

15%

41

Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)

Good
232 Days
Moderate
41 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 273 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

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
19AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
13AQI (US)
4th January 2026
26AQI (US)
5th January 2026
52AQI (US)
6th January 2026
18AQI (US)
7th January 2026
31AQI (US)
8th January 2026
34AQI (US)
9th January 2026
22AQI (US)
10th January 2026
27AQI (US)
11th January 2026
36AQI (US)
12th January 2026
19AQI (US)
13th January 2026
45AQI (US)
14th January 2026
27AQI (US)
15th January 2026
43AQI (US)
16th January 2026
65AQI (US)
17th January 2026
58AQI (US)
18th January 2026
60AQI (US)
19th January 2026
66AQI (US)
20th January 2026
32AQI (US)
21st January 2026
12AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
37AQI (US)
24th January 2026
45AQI (US)
25th January 2026
44AQI (US)
26th January 2026
12AQI (US)
27th January 2026
37AQI (US)
28th January 2026
31AQI (US)
29th January 2026
29AQI (US)
30th January 2026
38AQI (US)
31st January 2026
34AQI (US)
1st February 2026
37AQI (US)
2nd February 2026
45AQI (US)
3rd February 2026
30AQI (US)
4th February 2026
43AQI (US)
5th February 2026
58AQI (US)
6th February 2026
52AQI (US)
7th February 2026
17AQI (US)
8th February 2026
15AQI (US)
9th February 2026
34AQI (US)
10th February 2026
47AQI (US)
11th February 2026
48AQI (US)
12th February 2026
53AQI (US)
13th February 2026
58AQI (US)
14th February 2026
55AQI (US)
15th February 2026
60AQI (US)
16th February 2026
60AQI (US)
17th February 2026
24AQI (US)
18th February 2026
33AQI (US)
19th February 2026
31AQI (US)
20th February 2026
34AQI (US)
21st February 2026
54AQI (US)
22nd February 2026
46AQI (US)
23rd February 2026
47AQI (US)
24th February 2026
53AQI (US)
25th February 2026
26AQI (US)
26th February 2026
22AQI (US)
27th February 2026
46AQI (US)
28th February 2026
31AQI (US)
1st March 2026
22AQI (US)
2nd March 2026
56AQI (US)
3rd March 2026
39AQI (US)
4th March 2026
47AQI (US)
5th March 2026
48AQI (US)
6th March 2026
49AQI (US)
7th March 2026
42AQI (US)
8th March 2026
34AQI (US)
9th March 2026
40AQI (US)
10th March 2026
57AQI (US)
11th March 2026
54AQI (US)
12th March 2026
58AQI (US)
13th March 2026
36AQI (US)
14th March 2026
44AQI (US)
15th March 2026
57AQI (US)
16th March 2026
46AQI (US)
17th March 2026
46AQI (US)
18th March 2026
50AQI (US)
19th March 2026
27AQI (US)
20th March 2026
48AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
53AQI (US)
23rd March 2026
54AQI (US)
24th March 2026
46AQI (US)
25th March 2026
42AQI (US)
26th March 2026
23AQI (US)
27th March 2026
34AQI (US)
28th March 2026
56AQI (US)
29th March 2026
56AQI (US)
30th March 2026
44AQI (US)
31st March 2026
21AQI (US)
1st April 2026
21AQI (US)
2nd April 2026
40AQI (US)
3rd April 2026
51AQI (US)
4th April 2026
39AQI (US)
5th April 2026
36AQI (US)
6th April 2026
32AQI (US)
7th April 2026
38AQI (US)
8th April 2026
29AQI (US)
9th April 2026
28AQI (US)
10th April 2026
46AQI (US)
11th April 2026
35AQI (US)
12th April 2026
33AQI (US)
13th April 2026
36AQI (US)
14th April 2026
52AQI (US)
15th April 2026
31AQI (US)
16th April 2026
27AQI (US)
17th April 2026
36AQI (US)
18th April 2026
28AQI (US)
19th April 2026
29AQI (US)
20th April 2026
34AQI (US)
21st April 2026
38AQI (US)
22nd April 2026
47AQI (US)
23rd April 2026
34AQI (US)
24th April 2026
20AQI (US)
25th April 2026
39AQI (US)
26th April 2026
50AQI (US)
27th April 2026
49AQI (US)
28th April 2026
45AQI (US)
29th April 2026
41AQI (US)
30th April 2026
34AQI (US)
1st May 2026
45AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
45AQI (US)
4th May 2026
23AQI (US)
5th May 2026
18AQI (US)
6th May 2026
28AQI (US)
7th May 2026
31AQI (US)
8th May 2026
27AQI (US)
9th May 2026
27AQI (US)
10th May 2026
28AQI (US)
11th May 2026
27AQI (US)
12th May 2026
28AQI (US)
13th May 2026
39AQI (US)
14th May 2026
31AQI (US)
15th May 2026
35AQI (US)
16th May 2026
85AQI (US)
17th May 2026
68AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
60AQI (US)
22nd May 2026
62AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
59AQI (US)
25th May 2026
48AQI (US)
26th May 2026
39AQI (US)
27th May 2026
24AQI (US)
28th May 2026
25AQI (US)
29th May 2026
24AQI (US)
30th May 2026
24AQI (US)
31st May 2026
27AQI (US)
1st June 2026
28AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
24AQI (US)
4th June 2026
23AQI (US)
5th June 2026
22AQI (US)
6th June 2026
24AQI (US)
7th June 2026
21AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
22AQI (US)
11th June 2026
25AQI (US)
12th June 2026
25AQI (US)
13th June 2026
27AQI (US)
14th June 2026
23AQI (US)
15th June 2026
22AQI (US)
16th June 2026
25AQI (US)
17th June 2026
23AQI (US)
18th June 2026
25AQI (US)
19th June 2026
26AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
21AQI (US)
25th June 2026
27AQI (US)
26th June 2026
28AQI (US)
27th June 2026
23AQI (US)
28th June 2026
32AQI (US)
29th June 2026
53AQI (US)
30th June 2026
58AQI (US)
1st July 2026
41AQI (US)
2nd July 2026
24AQI (US)
3rd July 2026
23AQI (US)
4th July 2026
24AQI (US)
5th July 2026
21AQI (US)
6th July 2026
19AQI (US)
7th July 2026
24AQI (US)
8th July 2026
24AQI (US)
9th July 2026
25AQI (US)
10th July 2026
26AQI (US)
11th July 2026
18AQI (US)
12th July 2026
30AQI (US)
13th July 2026
41AQI (US)
14th July 2026
27AQI (US)
15th July 2026
39AQI (US)
16th July 2026
52AQI (US)
17th July 2026
50AQI (US)
18th July 2026
46AQI (US)
19th July 2026
18AQI (US)
20th July 2026
29AQI (US)
21st July 2026
55AQI (US)
22nd July 2026
72AQI (US)
23rd July 2026
52AQI (US)
24th July 2026
63AQI (US)
25th July 2026
46AQI (US)
26th July 2026
39AQI (US)
27th July 2026
32AQI (US)
28th July 2026
29AQI (US)
29th July 2026
25AQI (US)
30th July 2026
49AQI (US)
31st July 2026
41AQI (US)
1st August 2026
41AQI (US)
2nd August 2026
50AQI (US)
3rd August 2026
46AQI (US)
4th August 2026
29AQI (US)
5th August 2026
35AQI (US)
6th August 2026
28AQI (US)
7th August 2026
22AQI (US)
8th August 2026
22AQI (US)
9th August 2026
26AQI (US)
10th August 2026
27AQI (US)
11th August 2026
26AQI (US)
12th August 2026
23AQI (US)
13th August 2026
26AQI (US)
14th August 2026
25AQI (US)
15th August 2026
24AQI (US)
16th August 2026
23AQI (US)
17th August 2026
24AQI (US)
18th August 2026
25AQI (US)
19th August 2026
25AQI (US)
20th August 2026
23AQI (US)
21st August 2026
28AQI (US)
22nd August 2026
33AQI (US)
23rd August 2026
30AQI (US)
24th August 2026
31AQI (US)
25th August 2026
32AQI (US)
26th August 2026
33AQI (US)
27th August 2026
25AQI (US)
28th August 2026
23AQI (US)
29th August 2026
24AQI (US)
30th August 2026
34AQI (US)
31st August 2026
37AQI (US)
1st September 2026
32AQI (US)
2nd September 2026
25AQI (US)
3rd September 2026
27AQI (US)
4th September 2026
25AQI (US)
5th September 2026
25AQI (US)
6th September 2026
25AQI (US)
7th September 2026
25AQI (US)
8th September 2026
25AQI (US)
9th September 2026
28AQI (US)
10th September 2026
15AQI (US)
11th September 2026
24AQI (US)
12th September 2026
35AQI (US)
13th September 2026
11AQI (US)
14th September 2026
24AQI (US)
15th September 2026
25AQI (US)
16th September 2026
25AQI (US)
17th September 2026
25AQI (US)
18th September 2026
29AQI (US)
19th September 2026
50AQI (US)
20th September 2026
34AQI (US)
21st September 2026
13AQI (US)
22nd September 2026
27AQI (US)
23rd September 2026
32AQI (US)
24th September 2026
31AQI (US)
25th September 2026
36AQI (US)
26th September 2026
41AQI (US)
27th September 2026
30AQI (US)
28th September 2026
25AQI (US)
29th September 2026
26AQI (US)
30th September 2026
27AQI (US)
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

34AQI (US)

41AQI (US)

44AQI (US)

37AQI (US)

40AQI (US)

26AQI (US)

36AQI (US)

29AQI (US)

27AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202635AQI (US)

26
5
19
9
22
9
28
2
22
9
28
2
26
5
31
30
232
41

Highest AQI (US) recorded in

March

44AQI (US)

Lowest AQI (US) recorded in

June

26AQI (US)

202535AQI (US)

31
28
29
2
30
31
30
21
10
20
11
29
1
22
9
22
8
23
8
316
49

Highest AQI (US) recorded in

August

48AQI (US)

Lowest AQI (US) recorded in

May

21AQI (US)

202429AQI (US)

31
29
31
30
30
1
30
31
31
30
31
29
1
31
364
2

Highest AQI (US) recorded in

April

34AQI (US)

Lowest AQI (US) recorded in

September

24AQI (US)

202326AQI (US)

31
28
31
30
30
1
30
30
1
31
30
31
29
31
362
2

Highest AQI (US) recorded in

April

34AQI (US)

Lowest AQI (US) recorded in

August

18AQI (US)

202229AQI (US)

30
19
1
21
30
23
8
29
1
21
2
3
29
31
30
31
297
12

Highest AQI (US) recorded in

May

44AQI (US)

Lowest AQI (US) recorded in

November

22AQI (US)

202125AQI (US)

31
28
31
30
31
28
2
31
30
1
28
2
31
25
5
31
355
10

Highest AQI (US) recorded in

June

35AQI (US)

Lowest AQI (US) recorded in

January

12AQI (US)

202014AQI (US)

13
21
18
30
31
31
19
31
30
31
255

Highest AQI (US) recorded in

August

18AQI (US)

Lowest AQI (US) recorded in

May

10AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
35AQI (US)
Least Polluted Year Recorded
2020(Avg.)
14AQI (US)

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).