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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Shimotsuke, Tochigi, 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

Shimotsuke, Tochigi, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Sep 2025
64AQI
Lowest AQI recorded on
4th Sep 2023
9AQI

Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 28th Sep - 29th Sep 2026

Shimotsuke, Tochigi, Japan

AQI
Day
Night
.

5 AM28th Sep 2026

5 PM

4 AM29th Sep 2026

Day time
Avg. Highest Time
9AM28th Sep

46AQI

Avg. Lowest Time
7AM28th Sep

27AQI

Night time
Avg. Highest Time
1AM29th Sep

48AQI

Avg. Lowest Time
8PM28th Sep

38AQI

In the last 24 hours,

Shimotsuke's AQI reached its highest point of 48 at 1 AM during the Night, while the lowest point, 27, was recorded at 7 AM during the Day between 28th Sep and 29th Sep 2026.

Day & Night AQI Trend : Aug - Sep 2026

Shimotsuke, Tochigi, Japan

AugSep
31st - 01st01st - 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
Day
Night
31st Aug 2026255 AMAQI
31st Aug 2026236 AMAQI
31st Aug 2026197 AMAQI
31st Aug 2026238 AMAQI
31st Aug 2026319 AMAQI
31st Aug 20262510 AMAQI
31st Aug 20265411 AMAQI
31st Aug 20263612 PMAQI
31st Aug 2026361 PMAQI
31st Aug 2026322 PMAQI
31st Aug 2026253 PMAQI
31st Aug 2026274 PMAQI
31st Aug 2026255 PMAQI
31st Aug 2026236 PMAQI
31st Aug 2026217 PMAQI
31st Aug 2026218 PMAQI
31st Aug 2026259 PMAQI
31st Aug 20262310 PMAQI
31st Aug 20262111 PMAQI
1st Sep 20262312 AMAQI
1st Sep 2026211 AMAQI
1st Sep 2026212 AMAQI
1st Sep 2026233 AMAQI
1st Sep 2026194 AMAQI

25°C23/28°C

1st Sep 2026235 AMAQI
1st Sep 2026196 AMAQI
1st Sep 2026217 AMAQI
1st Sep 2026238 AMAQI
1st Sep 2026389 AMAQI
1st Sep 20262110 AMAQI
1st Sep 20262111 AMAQI
1st Sep 20262512 PMAQI
1st Sep 2026271 PMAQI
1st Sep 2026272 PMAQI
1st Sep 2026313 PMAQI
1st Sep 2026314 PMAQI
1st Sep 2026295 PMAQI
1st Sep 2026296 PMAQI
1st Sep 2026317 PMAQI
1st Sep 2026298 PMAQI
1st Sep 2026319 PMAQI
1st Sep 20263610 PMAQI
1st Sep 20264211 PMAQI
2nd Sep 20264012 AMAQI
2nd Sep 2026421 AMAQI
2nd Sep 2026402 AMAQI
2nd Sep 2026473 AMAQI
2nd Sep 2026464 AMAQI

23°C21/26°C

2nd Sep 2026485 AMAQI
2nd Sep 2026466 AMAQI
2nd Sep 2026467 AMAQI
2nd Sep 2026468 AMAQI
2nd Sep 2026529 AMAQI
2nd Sep 20265610 AMAQI
2nd Sep 20265611 AMAQI
2nd Sep 20265612 PMAQI
2nd Sep 2026581 PMAQI
2nd Sep 2026592 PMAQI
2nd Sep 2026573 PMAQI
2nd Sep 2026574 PMAQI
2nd Sep 2026595 PMAQI
2nd Sep 2026596 PMAQI
2nd Sep 2026547 PMAQI
2nd Sep 2026538 PMAQI
2nd Sep 2026539 PMAQI
2nd Sep 20264810 PMAQI
2nd Sep 20263811 PMAQI
3rd Sep 20263612 AMAQI
3rd Sep 2026381 AMAQI
3rd Sep 2026442 AMAQI
3rd Sep 2026403 AMAQI
3rd Sep 2026404 AMAQI

28°C24/33°C

3rd Sep 2026385 AMAQI
3rd Sep 2026406 AMAQI
3rd Sep 2026427 AMAQI
3rd Sep 2026388 AMAQI
3rd Sep 2026299 AMAQI
3rd Sep 20264210 AMAQI
3rd Sep 20264411 AMAQI
3rd Sep 20263812 PMAQI
3rd Sep 2026421 PMAQI
3rd Sep 2026482 PMAQI
3rd Sep 2026503 PMAQI
3rd Sep 2026584 PMAQI
3rd Sep 2026485 PMAQI
3rd Sep 2026316 PMAQI
3rd Sep 2026297 PMAQI
3rd Sep 2026298 PMAQI
3rd Sep 2026369 PMAQI
3rd Sep 20263110 PMAQI
3rd Sep 20262911 PMAQI
4th Sep 20263812 AMAQI
4th Sep 2026311 AMAQI
4th Sep 2026332 AMAQI
4th Sep 2026313 AMAQI
4th Sep 2026334 AMAQI

27°C23/32°C

4th Sep 2026365 AMAQI
4th Sep 2026316 AMAQI
4th Sep 2026367 AMAQI
4th Sep 2026388 AMAQI
4th Sep 2026409 AMAQI
4th Sep 20263110 AMAQI
4th Sep 20262911 AMAQI
4th Sep 20263412 PMAQI
4th Sep 2026331 PMAQI
4th Sep 2026312 PMAQI
4th Sep 2026333 PMAQI
4th Sep 2026254 PMAQI
4th Sep 2026255 PMAQI
4th Sep 2026316 PMAQI
4th Sep 2026337 PMAQI
4th Sep 2026498 PMAQI
4th Sep 2026469 PMAQI
4th Sep 20264210 PMAQI
4th Sep 20264011 PMAQI
5th Sep 20264612 AMAQI
5th Sep 2026461 AMAQI
5th Sep 2026402 AMAQI
5th Sep 2026363 AMAQI
5th Sep 2026424 AMAQI

24°C22/27°C

5th Sep 2026465 AMAQI
5th Sep 2026366 AMAQI
5th Sep 2026337 AMAQI
5th Sep 2026508 AMAQI
5th Sep 2026559 AMAQI
5th Sep 20266610 AMAQI
5th Sep 20266611 AMAQI
5th Sep 20266412 PMAQI
5th Sep 2026331 PMAQI
5th Sep 2026332 PMAQI
5th Sep 2026333 PMAQI
5th Sep 2026404 PMAQI
5th Sep 2026365 PMAQI
5th Sep 2026296 PMAQI
5th Sep 2026367 PMAQI
5th Sep 2026338 PMAQI
5th Sep 2026339 PMAQI
5th Sep 20263310 PMAQI
5th Sep 20262911 PMAQI
6th Sep 20263612 AMAQI
6th Sep 2026331 AMAQI
6th Sep 2026332 AMAQI
6th Sep 2026333 AMAQI
6th Sep 2026334 AMAQI

22°C21/24°C

6th Sep 2026335 AMAQI
6th Sep 2026336 AMAQI
6th Sep 2026337 AMAQI
6th Sep 2026338 AMAQI
6th Sep 2026369 AMAQI
6th Sep 20263310 AMAQI
6th Sep 20263111 AMAQI
6th Sep 20263812 PMAQI
6th Sep 2026381 PMAQI
6th Sep 2026362 PMAQI
6th Sep 2026313 PMAQI
6th Sep 2026334 PMAQI
6th Sep 2026365 PMAQI
6th Sep 2026316 PMAQI
6th Sep 2026337 PMAQI
6th Sep 2026298 PMAQI
6th Sep 2026299 PMAQI
6th Sep 20263310 PMAQI
6th Sep 20263111 PMAQI
7th Sep 20263112 AMAQI
7th Sep 2026361 AMAQI
7th Sep 2026332 AMAQI
7th Sep 2026313 AMAQI
7th Sep 2026294 AMAQI

22°C20/25°C

7th Sep 2026295 AMAQI
7th Sep 2026256 AMAQI
7th Sep 2026277 AMAQI
7th Sep 2026258 AMAQI
7th Sep 2026409 AMAQI
7th Sep 20265410 AMAQI
7th Sep 20264611 AMAQI
7th Sep 20261912 PMAQI
7th Sep 2026101 PMAQI
7th Sep 2026162 PMAQI
7th Sep 2026123 PMAQI
7th Sep 2026234 PMAQI
7th Sep 2026255 PMAQI
7th Sep 2026386 PMAQI
7th Sep 2026257 PMAQI
7th Sep 2026238 PMAQI
7th Sep 2026239 PMAQI
7th Sep 20265210 PMAQI
7th Sep 20263211 PMAQI
8th Sep 20263812 AMAQI
8th Sep 2026341 AMAQI
8th Sep 2026232 AMAQI
8th Sep 2026233 AMAQI
8th Sep 2026234 AMAQI

22°C21/24°C

8th Sep 2026215 AMAQI
8th Sep 2026216 AMAQI
8th Sep 2026217 AMAQI
8th Sep 2026218 AMAQI
8th Sep 2026259 AMAQI
8th Sep 20263410 AMAQI
8th Sep 20266211 AMAQI
8th Sep 20264012 PMAQI
8th Sep 2026461 PMAQI
8th Sep 2026622 PMAQI
8th Sep 2026533 PMAQI
8th Sep 2026504 PMAQI
8th Sep 2026465 PMAQI
8th Sep 2026486 PMAQI
8th Sep 2026387 PMAQI
8th Sep 2026338 PMAQI
8th Sep 2026369 PMAQI
8th Sep 20263310 PMAQI
8th Sep 20263811 PMAQI
9th Sep 20264012 AMAQI
9th Sep 2026421 AMAQI
9th Sep 2026402 AMAQI
9th Sep 2026403 AMAQI
9th Sep 2026444 AMAQI

24°C22/26°C

9th Sep 2026465 AMAQI
9th Sep 2026486 AMAQI
9th Sep 2026447 AMAQI
9th Sep 2026508 AMAQI
9th Sep 2026469 AMAQI
9th Sep 20264610 AMAQI
9th Sep 20264611 AMAQI
9th Sep 20264612 PMAQI
9th Sep 2026481 PMAQI
9th Sep 2026492 PMAQI
9th Sep 2026483 PMAQI
9th Sep 2026544 PMAQI
9th Sep 2026365 PMAQI
9th Sep 2026426 PMAQI
9th Sep 2026337 PMAQI
9th Sep 2026408 PMAQI
9th Sep 2026339 PMAQI
9th Sep 20262910 PMAQI
9th Sep 20262711 PMAQI
10th Sep 20263612 AMAQI
10th Sep 2026381 AMAQI
10th Sep 2026382 AMAQI
10th Sep 2026333 AMAQI
10th Sep 2026384 AMAQI

25°C20/33°C

10th Sep 2026365 AMAQI
10th Sep 2026386 AMAQI
10th Sep 2026387 AMAQI
10th Sep 2026428 AMAQI
10th Sep 2026369 AMAQI
10th Sep 20264010 AMAQI
10th Sep 20263811 AMAQI
10th Sep 20262712 PMAQI
10th Sep 2026271 PMAQI
10th Sep 2026322 PMAQI
10th Sep 2026293 PMAQI
10th Sep 2026274 PMAQI
10th Sep 2026315 PMAQI
10th Sep 2026336 PMAQI
10th Sep 2026337 PMAQI
10th Sep 2026428 PMAQI
10th Sep 2026349 PMAQI
10th Sep 20263110 PMAQI
10th Sep 20262711 PMAQI
11th Sep 20263112 AMAQI
11th Sep 2026381 AMAQI
11th Sep 2026382 AMAQI
11th Sep 2026363 AMAQI
11th Sep 2026324 AMAQI

20°C19/20°C

11th Sep 2026425 AMAQI
11th Sep 2026406 AMAQI
11th Sep 2026367 AMAQI
11th Sep 2026388 AMAQI
11th Sep 2026299 AMAQI
11th Sep 20262910 AMAQI
11th Sep 20262711 AMAQI
11th Sep 20262912 PMAQI
11th Sep 2026271 PMAQI
11th Sep 2026252 PMAQI
11th Sep 2026213 PMAQI
11th Sep 2026344 PMAQI
11th Sep 2026455 PMAQI
11th Sep 2026386 PMAQI
11th Sep 2026327 PMAQI
11th Sep 2026238 PMAQI
11th Sep 2026369 PMAQI
11th Sep 20263010 PMAQI
11th Sep 20263411 PMAQI
12th Sep 20262512 AMAQI
12th Sep 2026211 AMAQI
12th Sep 2026212 AMAQI
12th Sep 2026233 AMAQI
12th Sep 2026254 AMAQI

19°C19/20°C

12th Sep 2026275 AMAQI
12th Sep 2026256 AMAQI
12th Sep 2026277 AMAQI
12th Sep 2026298 AMAQI
12th Sep 2026299 AMAQI
12th Sep 20263310 AMAQI
12th Sep 20262911 AMAQI
12th Sep 20262912 PMAQI
12th Sep 2026441 PMAQI
12th Sep 2026362 PMAQI
12th Sep 2026293 PMAQI
12th Sep 2026334 PMAQI
12th Sep 2026295 PMAQI
12th Sep 2026276 PMAQI
12th Sep 2026297 PMAQI
12th Sep 2026298 PMAQI
12th Sep 2026299 PMAQI
12th Sep 20263110 PMAQI
12th Sep 20263311 PMAQI
13th Sep 20263112 AMAQI
13th Sep 2026331 AMAQI
13th Sep 2026332 AMAQI
13th Sep 2026313 AMAQI
13th Sep 2026334 AMAQI

22°C19/26°C

13th Sep 2026386 AMAQI
13th Sep 2026387 AMAQI
13th Sep 2026408 AMAQI
13th Sep 2026469 AMAQI
13th Sep 20264610 AMAQI
13th Sep 20264011 AMAQI
13th Sep 20265012 PMAQI
13th Sep 2026491 PMAQI
13th Sep 2026362 PMAQI
13th Sep 2026363 PMAQI
13th Sep 2026384 PMAQI
13th Sep 2026335 PMAQI
13th Sep 2026406 PMAQI
13th Sep 2026367 PMAQI
13th Sep 2026338 PMAQI
13th Sep 2026339 PMAQI
13th Sep 20263810 PMAQI
13th Sep 20264011 PMAQI
14th Sep 20263612 AMAQI
14th Sep 2026681 AMAQI
14th Sep 2026542 AMAQI
14th Sep 2026513 AMAQI
14th Sep 2026524 AMAQI

24°C21/28°C

14th Sep 2026555 AMAQI
14th Sep 2026536 AMAQI
14th Sep 2026447 AMAQI
14th Sep 2026468 AMAQI
14th Sep 2026449 AMAQI
14th Sep 20263310 AMAQI
14th Sep 20263611 AMAQI
14th Sep 20263312 PMAQI
14th Sep 2026331 PMAQI
14th Sep 2026292 PMAQI
14th Sep 2026253 PMAQI
14th Sep 2026344 PMAQI
14th Sep 2026385 PMAQI
14th Sep 2026446 PMAQI
14th Sep 2026407 PMAQI
14th Sep 2026258 PMAQI
14th Sep 2026389 PMAQI
14th Sep 20264210 PMAQI
14th Sep 20263111 PMAQI
15th Sep 20263312 AMAQI
15th Sep 2026331 AMAQI
15th Sep 2026422 AMAQI
15th Sep 2026363 AMAQI
15th Sep 2026364 AMAQI

27°C23/33°C

15th Sep 2026335 AMAQI
15th Sep 2026336 AMAQI
15th Sep 2026427 AMAQI
15th Sep 2026338 AMAQI
15th Sep 2026339 AMAQI
15th Sep 20263310 AMAQI
15th Sep 20263611 AMAQI
15th Sep 20263112 PMAQI
15th Sep 2026331 PMAQI
15th Sep 2026312 PMAQI
15th Sep 2026293 PMAQI
15th Sep 2026314 PMAQI
15th Sep 2026335 PMAQI
15th Sep 2026366 PMAQI
15th Sep 2026367 PMAQI
15th Sep 2026298 PMAQI
15th Sep 2026299 PMAQI
15th Sep 20263610 PMAQI
15th Sep 20263611 PMAQI
16th Sep 20263312 AMAQI
16th Sep 2026361 AMAQI
16th Sep 2026382 AMAQI
16th Sep 2026253 AMAQI
16th Sep 2026494 AMAQI

24°C21/25°C

16th Sep 2026295 AMAQI
16th Sep 2026236 AMAQI
16th Sep 2026217 AMAQI
16th Sep 2026278 AMAQI
16th Sep 2026529 AMAQI
16th Sep 20263810 AMAQI
16th Sep 20263211 AMAQI
16th Sep 20262312 PMAQI
16th Sep 2026211 PMAQI
16th Sep 2026342 PMAQI
16th Sep 2026443 PMAQI
16th Sep 2026254 PMAQI
16th Sep 2026235 PMAQI
16th Sep 2026146 PMAQI
16th Sep 2026177 PMAQI
16th Sep 2026318 PMAQI
16th Sep 2026339 PMAQI
16th Sep 20262110 PMAQI
16th Sep 20261911 PMAQI
17th Sep 20262112 AMAQI
17th Sep 2026251 AMAQI
17th Sep 2026232 AMAQI
17th Sep 2026273 AMAQI
17th Sep 2026364 AMAQI

21°C19/22°C

17th Sep 2026325 AMAQI
17th Sep 2026366 AMAQI
17th Sep 2026497 AMAQI
17th Sep 2026408 AMAQI
17th Sep 2026349 AMAQI
17th Sep 20261910 AMAQI
17th Sep 20266511 AMAQI
17th Sep 20265812 PMAQI
17th Sep 2026381 PMAQI
17th Sep 2026552 PMAQI
17th Sep 2026383 PMAQI
17th Sep 2026194 PMAQI
17th Sep 2026235 PMAQI
17th Sep 2026216 PMAQI
17th Sep 2026237 PMAQI
17th Sep 2026258 PMAQI
17th Sep 2026259 PMAQI
17th Sep 20262710 PMAQI
17th Sep 20262711 PMAQI
18th Sep 20263112 AMAQI
18th Sep 2026311 AMAQI
18th Sep 2026332 AMAQI
18th Sep 2026383 AMAQI
18th Sep 2026334 AMAQI

21°C19/24°C

18th Sep 2026295 AMAQI
18th Sep 2026336 AMAQI
18th Sep 2026337 AMAQI
18th Sep 2026318 AMAQI
18th Sep 2026339 AMAQI
18th Sep 20265210 AMAQI
18th Sep 20266911 AMAQI
18th Sep 20266712 PMAQI
18th Sep 2026461 PMAQI
18th Sep 2026332 PMAQI
18th Sep 2026363 PMAQI
18th Sep 2026364 PMAQI
18th Sep 2026365 PMAQI
18th Sep 2026366 PMAQI
18th Sep 2026367 PMAQI
18th Sep 2026318 PMAQI
18th Sep 2026339 PMAQI
18th Sep 20263110 PMAQI
18th Sep 20263311 PMAQI
19th Sep 20262912 AMAQI
19th Sep 2026271 AMAQI
19th Sep 2026232 AMAQI
19th Sep 2026233 AMAQI
19th Sep 2026404 AMAQI

21°C18/24°C

19th Sep 2026255 AMAQI
19th Sep 2026216 AMAQI
19th Sep 2026217 AMAQI
19th Sep 2026258 AMAQI
19th Sep 2026179 AMAQI
19th Sep 20261710 AMAQI
19th Sep 20261911 AMAQI
19th Sep 20261912 PMAQI
19th Sep 2026621 PMAQI
19th Sep 2026732 PMAQI
19th Sep 2026693 PMAQI
19th Sep 2026234 PMAQI
19th Sep 2026235 PMAQI
19th Sep 2026216 PMAQI
19th Sep 2026627 PMAQI
19th Sep 2026688 PMAQI
19th Sep 2026219 PMAQI
19th Sep 20262510 PMAQI
19th Sep 20262511 PMAQI
20th Sep 20262312 AMAQI
20th Sep 2026581 AMAQI
20th Sep 2026272 AMAQI
20th Sep 2026513 AMAQI
20th Sep 2026384 AMAQI

23°C20/27°C

20th Sep 2026315 AMAQI
20th Sep 2026346 AMAQI
20th Sep 2026297 AMAQI
20th Sep 2026298 AMAQI
20th Sep 2026429 AMAQI
20th Sep 20262910 AMAQI
20th Sep 20263111 AMAQI
20th Sep 20262512 PMAQI
20th Sep 2026271 PMAQI
20th Sep 2026292 PMAQI
20th Sep 2026293 PMAQI
20th Sep 2026314 PMAQI
20th Sep 2026295 PMAQI
20th Sep 2026316 PMAQI
20th Sep 2026337 PMAQI
20th Sep 2026388 PMAQI
20th Sep 2026369 PMAQI
20th Sep 20262510 PMAQI
20th Sep 20262711 PMAQI
21st Sep 20262712 AMAQI
21st Sep 2026251 AMAQI
21st Sep 2026212 AMAQI
21st Sep 2026213 AMAQI
21st Sep 2026214 AMAQI

22°C21/23°C

21st Sep 2026195 AMAQI
21st Sep 2026346 AMAQI
21st Sep 2026257 AMAQI
21st Sep 2026238 AMAQI
21st Sep 2026239 AMAQI
21st Sep 20261610 AMAQI
21st Sep 20261911 AMAQI
21st Sep 20261912 PMAQI
21st Sep 2026191 PMAQI
21st Sep 2026212 PMAQI
21st Sep 2026173 PMAQI
21st Sep 2026174 PMAQI
21st Sep 2026125 PMAQI
21st Sep 2026126 PMAQI
21st Sep 2026127 PMAQI
21st Sep 2026128 PMAQI
21st Sep 2026149 PMAQI
21st Sep 20261210 PMAQI
21st Sep 20261211 PMAQI
22nd Sep 20261212 AMAQI
22nd Sep 2026101 AMAQI
22nd Sep 2026312 AMAQI
22nd Sep 2026533 AMAQI
22nd Sep 2026424 AMAQI

22°C21/24°C

22nd Sep 2026325 AMAQI
22nd Sep 2026276 AMAQI
22nd Sep 2026197 AMAQI
22nd Sep 2026528 AMAQI
22nd Sep 2026239 AMAQI
22nd Sep 20262310 AMAQI
22nd Sep 20261911 AMAQI
22nd Sep 20261912 PMAQI
22nd Sep 2026191 PMAQI
22nd Sep 2026192 PMAQI
22nd Sep 2026193 PMAQI
22nd Sep 2026194 PMAQI
22nd Sep 2026195 PMAQI
22nd Sep 2026236 PMAQI
22nd Sep 2026297 PMAQI
22nd Sep 2026318 PMAQI
22nd Sep 2026279 PMAQI
22nd Sep 20262110 PMAQI
22nd Sep 20263411 PMAQI
23rd Sep 20263312 AMAQI
23rd Sep 2026341 AMAQI
23rd Sep 2026422 AMAQI
23rd Sep 2026333 AMAQI
23rd Sep 2026404 AMAQI

26°C22/30°C

23rd Sep 2026365 AMAQI
23rd Sep 2026426 AMAQI
23rd Sep 2026407 AMAQI
23rd Sep 2026408 AMAQI
23rd Sep 2026449 AMAQI
23rd Sep 20264610 AMAQI
23rd Sep 20264411 AMAQI
23rd Sep 20263812 PMAQI
23rd Sep 2026441 PMAQI
23rd Sep 2026422 PMAQI
23rd Sep 2026423 PMAQI
23rd Sep 2026384 PMAQI
23rd Sep 2026405 PMAQI
23rd Sep 2026446 PMAQI
23rd Sep 2026447 PMAQI
23rd Sep 2026408 PMAQI
23rd Sep 2026469 PMAQI
23rd Sep 20264810 PMAQI
23rd Sep 20264211 PMAQI
24th Sep 20264412 AMAQI
24th Sep 2026441 AMAQI
24th Sep 2026382 AMAQI
24th Sep 2026403 AMAQI
24th Sep 2026444 AMAQI

21°C19/24°C

24th Sep 2026405 AMAQI
24th Sep 2026386 AMAQI
24th Sep 2026427 AMAQI
24th Sep 2026388 AMAQI
24th Sep 2026409 AMAQI
24th Sep 20263810 AMAQI
24th Sep 20264011 AMAQI
24th Sep 20263812 PMAQI
24th Sep 2026381 PMAQI
24th Sep 2026362 PMAQI
24th Sep 2026383 PMAQI
24th Sep 2026364 PMAQI
24th Sep 2026365 PMAQI
24th Sep 2026386 PMAQI
24th Sep 2026367 PMAQI
24th Sep 2026478 PMAQI
24th Sep 2026559 PMAQI
24th Sep 20264010 PMAQI
24th Sep 20263811 PMAQI
25th Sep 20263812 AMAQI
25th Sep 2026381 AMAQI
25th Sep 2026402 AMAQI
25th Sep 2026383 AMAQI
25th Sep 2026364 AMAQI

24°C19/29°C

25th Sep 2026405 AMAQI
25th Sep 2026426 AMAQI
25th Sep 2026407 AMAQI
25th Sep 2026408 AMAQI
25th Sep 2026389 AMAQI
25th Sep 20265210 AMAQI
25th Sep 20264811 AMAQI
25th Sep 20264412 PMAQI
25th Sep 2026461 PMAQI
25th Sep 2026482 PMAQI
25th Sep 2026463 PMAQI
25th Sep 2026484 PMAQI
25th Sep 2026465 PMAQI
25th Sep 2026496 PMAQI
25th Sep 2026537 PMAQI
25th Sep 2026568 PMAQI
25th Sep 2026559 PMAQI
25th Sep 20264910 PMAQI
25th Sep 20264611 PMAQI
26th Sep 20264812 AMAQI
26th Sep 2026531 AMAQI
26th Sep 2026522 AMAQI
26th Sep 2026523 AMAQI
26th Sep 2026514 AMAQI

23°C21/26°C

26th Sep 2026515 AMAQI
26th Sep 2026486 AMAQI
26th Sep 2026467 AMAQI
26th Sep 2026388 AMAQI
26th Sep 2026339 AMAQI
26th Sep 20264610 AMAQI
26th Sep 20265111 AMAQI
26th Sep 20264612 PMAQI
26th Sep 2026401 PMAQI
26th Sep 2026402 PMAQI
26th Sep 2026403 PMAQI
26th Sep 2026364 PMAQI
26th Sep 2026425 PMAQI
26th Sep 2026366 PMAQI
26th Sep 2026367 PMAQI
26th Sep 2026338 PMAQI
26th Sep 2026339 PMAQI
26th Sep 20262710 PMAQI
26th Sep 20262911 PMAQI
27th Sep 20262912 AMAQI
27th Sep 2026271 AMAQI
27th Sep 2026252 AMAQI
27th Sep 2026253 AMAQI
27th Sep 2026254 AMAQI

18°C17/21°C

27th Sep 2026255 AMAQI
27th Sep 2026236 AMAQI
27th Sep 2026257 AMAQI
27th Sep 2026238 AMAQI
27th Sep 2026259 AMAQI
27th Sep 20262310 AMAQI
27th Sep 20261911 AMAQI
27th Sep 20262312 PMAQI
27th Sep 2026231 PMAQI
27th Sep 2026212 PMAQI
27th Sep 2026253 PMAQI
27th Sep 2026314 PMAQI
27th Sep 2026425 PMAQI
27th Sep 2026316 PMAQI
27th Sep 2026327 PMAQI
27th Sep 2026258 PMAQI
27th Sep 2026239 PMAQI
27th Sep 20262110 PMAQI
27th Sep 20262111 PMAQI
28th Sep 20262912 AMAQI
28th Sep 2026251 AMAQI
28th Sep 2026292 AMAQI
28th Sep 2026273 AMAQI
28th Sep 2026314 AMAQI

21°C18/24°C

28th Sep 2026295 AMAQI
28th Sep 2026296 AMAQI
28th Sep 2026277 AMAQI
28th Sep 2026298 AMAQI
28th Sep 2026469 AMAQI
28th Sep 20263310 AMAQI
28th Sep 20263611 AMAQI
28th Sep 20263812 PMAQI
28th Sep 2026361 PMAQI
28th Sep 2026362 PMAQI
28th Sep 2026363 PMAQI
28th Sep 2026404 PMAQI
28th Sep 2026425 PMAQI
28th Sep 2026386 PMAQI
28th Sep 2026407 PMAQI
28th Sep 2026388 PMAQI
28th Sep 2026429 PMAQI
28th Sep 20264210 PMAQI
28th Sep 20264411 PMAQI
29th Sep 20264412 AMAQI
29th Sep 2026481 AMAQI
29th Sep 2026462 AMAQI
29th Sep 2026463 AMAQI
29th Sep 2026464 AMAQI

22°C21/23°C

29th Sep 2026485 AMAQI
5 AM
29th Sep 2026516 AMAQI
29th Sep 2026447 AMAQI
29th Sep 2026468 AMAQI
29th Sep 2026469 AMAQI
29th Sep 20264610 AMAQI
29th Sep 20264411 AMAQI
11 AM
29th Sep 20264612 PMAQI
29th Sep 2026401 PMAQI
29th Sep 2026382 PMAQI
29th Sep 2026383 PMAQI
29th Sep 2026384 PMAQI
29th Sep 2026365 PMAQI
5 PM
29th Sep 2026386 PMAQI
29th Sep 2026387 PMAQI
29th Sep 2026388 PMAQI
29th Sep 2026389 PMAQI
29th Sep 20263310 PMAQI
29th Sep 20263411 PMAQI
11 PM
4 AM

19°C18/22°C

Day time
Avg. Highest Time
11 AM

40AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 8 AM

35AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 40), while the lowest AQI was between 5 AM to 8 AM (Avg. 35).
Night time
Avg. Highest Time
1 AM - 4 AM

35AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
11 PM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 35), while the lowest AQI was between 11 PM to 11 PM (Avg. 32).

2026 Days Vs Air Quality

Shimotsuke, Tochigi, Japan

2026

82%

224

18%

48

Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)

Good
224 Days
Moderate
48 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 82%

Health Risk Level:

Low

In 2026, 82% of 272 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

Shimotsuke, Tochigi, 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
22AQI (US)
2nd January 2026
24AQI (US)
3rd January 2026
27AQI (US)
4th January 2026
30AQI (US)
5th January 2026
43AQI (US)
6th January 2026
27AQI (US)
7th January 2026
41AQI (US)
8th January 2026
45AQI (US)
9th January 2026
33AQI (US)
10th January 2026
50AQI (US)
11th January 2026
52AQI (US)
12th January 2026
22AQI (US)
13th January 2026
38AQI (US)
14th January 2026
15AQI (US)
15th January 2026
38AQI (US)
16th January 2026
57AQI (US)
17th January 2026
52AQI (US)
18th January 2026
35AQI (US)
19th January 2026
53AQI (US)
20th January 2026
48AQI (US)
21st January 2026
24AQI (US)
22nd January 2026
30AQI (US)
23rd January 2026
42AQI (US)
24th January 2026
46AQI (US)
25th January 2026
39AQI (US)
26th January 2026
18AQI (US)
27th January 2026
26AQI (US)
28th January 2026
33AQI (US)
29th January 2026
30AQI (US)
30th January 2026
37AQI (US)
31st January 2026
41AQI (US)
1st February 2026
44AQI (US)
2nd February 2026
21AQI (US)
3rd February 2026
23AQI (US)
4th February 2026
46AQI (US)
5th February 2026
46AQI (US)
6th February 2026
46AQI (US)
7th February 2026
16AQI (US)
8th February 2026
16AQI (US)
9th February 2026
40AQI (US)
10th February 2026
42AQI (US)
11th February 2026
51AQI (US)
12th February 2026
29AQI (US)
13th February 2026
35AQI (US)
14th February 2026
68AQI (US)
15th February 2026
65AQI (US)
16th February 2026
50AQI (US)
17th February 2026
18AQI (US)
18th February 2026
31AQI (US)
19th February 2026
31AQI (US)
20th February 2026
32AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
41AQI (US)
23rd February 2026
44AQI (US)
24th February 2026
28AQI (US)
25th February 2026
32AQI (US)
26th February 2026
10AQI (US)
27th February 2026
42AQI (US)
28th February 2026
48AQI (US)
1st March 2026
41AQI (US)
2nd March 2026
90AQI (US)
3rd March 2026
50AQI (US)
4th March 2026
61AQI (US)
5th March 2026
64AQI (US)
6th March 2026
55AQI (US)
7th March 2026
40AQI (US)
8th March 2026
15AQI (US)
9th March 2026
40AQI (US)
10th March 2026
57AQI (US)
11th March 2026
61AQI (US)
12th March 2026
70AQI (US)
13th March 2026
44AQI (US)
14th March 2026
51AQI (US)
15th March 2026
62AQI (US)
16th March 2026
62AQI (US)
17th March 2026
59AQI (US)
18th March 2026
59AQI (US)
19th March 2026
42AQI (US)
20th March 2026
28AQI (US)
21st March 2026
39AQI (US)
22nd March 2026
52AQI (US)
23rd March 2026
52AQI (US)
24th March 2026
51AQI (US)
25th March 2026
64AQI (US)
26th March 2026
25AQI (US)
27th March 2026
19AQI (US)
28th March 2026
48AQI (US)
29th March 2026
53AQI (US)
30th March 2026
56AQI (US)
31st March 2026
39AQI (US)
1st April 2026
17AQI (US)
2nd April 2026
26AQI (US)
3rd April 2026
47AQI (US)
4th April 2026
44AQI (US)
5th April 2026
14AQI (US)
6th April 2026
18AQI (US)
7th April 2026
33AQI (US)
8th April 2026
20AQI (US)
9th April 2026
32AQI (US)
10th April 2026
51AQI (US)
11th April 2026
38AQI (US)
12th April 2026
33AQI (US)
13th April 2026
36AQI (US)
14th April 2026
39AQI (US)
15th April 2026
41AQI (US)
16th April 2026
32AQI (US)
17th April 2026
39AQI (US)
18th April 2026
36AQI (US)
19th April 2026
41AQI (US)
20th April 2026
38AQI (US)
21st April 2026
41AQI (US)
22nd April 2026
48AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
35AQI (US)
25th April 2026
47AQI (US)
26th April 2026
52AQI (US)
27th April 2026
49AQI (US)
28th April 2026
43AQI (US)
29th April 2026
41AQI (US)
30th April 2026
42AQI (US)
1st May 2026
50AQI (US)
2nd May 2026
52AQI (US)
3rd May 2026
41AQI (US)
4th May 2026
30AQI (US)
5th May 2026
19AQI (US)
6th May 2026
34AQI (US)
7th May 2026
37AQI (US)
8th May 2026
28AQI (US)
9th May 2026
26AQI (US)
10th May 2026
32AQI (US)
11th May 2026
32AQI (US)
12th May 2026
39AQI (US)
13th May 2026
45AQI (US)
14th May 2026
38AQI (US)
15th May 2026
36AQI (US)
16th May 2026
86AQI (US)
17th May 2026
69AQI (US)
18th May 2026
54AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
59AQI (US)
25th May 2026
48AQI (US)
26th May 2026
40AQI (US)
27th May 2026
28AQI (US)
28th May 2026
25AQI (US)
29th May 2026
26AQI (US)
30th May 2026
27AQI (US)
31st May 2026
28AQI (US)
1st June 2026
36AQI (US)
2nd June 2026
36AQI (US)
3rd June 2026
15AQI (US)
4th June 2026
24AQI (US)
5th June 2026
23AQI (US)
6th June 2026
22AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
22AQI (US)
10th June 2026
26AQI (US)
11th June 2026
26AQI (US)
12th June 2026
26AQI (US)
13th June 2026
30AQI (US)
14th June 2026
30AQI (US)
15th June 2026
22AQI (US)
16th June 2026
20AQI (US)
17th June 2026
25AQI (US)
18th June 2026
26AQI (US)
19th June 2026
31AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
28AQI (US)
28th June 2026
32AQI (US)
29th June 2026
31AQI (US)
30th June 2026
26AQI (US)
1st July 2026
25AQI (US)
2nd July 2026
22AQI (US)
3rd July 2026
20AQI (US)
4th July 2026
34AQI (US)
5th July 2026
28AQI (US)
6th July 2026
24AQI (US)
7th July 2026
26AQI (US)
8th July 2026
24AQI (US)
9th July 2026
23AQI (US)
10th July 2026
25AQI (US)
11th July 2026
25AQI (US)
12th July 2026
23AQI (US)
13th July 2026
41AQI (US)
14th July 2026
47AQI (US)
15th July 2026
44AQI (US)
16th July 2026
56AQI (US)
17th July 2026
45AQI (US)
18th July 2026
25AQI (US)
19th July 2026
35AQI (US)
20th July 2026
43AQI (US)
21st July 2026
53AQI (US)
22nd July 2026
62AQI (US)
23rd July 2026
49AQI (US)
24th July 2026
36AQI (US)
25th July 2026
35AQI (US)
26th July 2026
35AQI (US)
27th July 2026
29AQI (US)
28th July 2026
45AQI (US)
29th July 2026
42AQI (US)
30th July 2026
44AQI (US)
31st July 2026
47AQI (US)
1st August 2026
52AQI (US)
2nd August 2026
52AQI (US)
3rd August 2026
30AQI (US)
4th August 2026
36AQI (US)
5th August 2026
52AQI (US)
6th August 2026
49AQI (US)
7th August 2026
52AQI (US)
8th August 2026
52AQI (US)
9th August 2026
46AQI (US)
10th August 2026
39AQI (US)
11th August 2026
41AQI (US)
12th August 2026
36AQI (US)
13th August 2026
39AQI (US)
14th August 2026
28AQI (US)
15th August 2026
43AQI (US)
16th August 2026
39AQI (US)
17th August 2026
30AQI (US)
18th August 2026
35AQI (US)
19th August 2026
42AQI (US)
20th August 2026
44AQI (US)
21st August 2026
43AQI (US)
22nd August 2026
46AQI (US)
23rd August 2026
48AQI (US)
24th August 2026
54AQI (US)
25th August 2026
54AQI (US)
26th August 2026
51AQI (US)
27th August 2026
27AQI (US)
28th August 2026
30AQI (US)
29th August 2026
36AQI (US)
30th August 2026
30AQI (US)
31st August 2026
27AQI (US)
1st September 2026
27AQI (US)
2nd September 2026
51AQI (US)
3rd September 2026
39AQI (US)
4th September 2026
35AQI (US)
5th September 2026
41AQI (US)
6th September 2026
33AQI (US)
7th September 2026
29AQI (US)
8th September 2026
36AQI (US)
9th September 2026
42AQI (US)
10th September 2026
34AQI (US)
11th September 2026
33AQI (US)
12th September 2026
29AQI (US)
13th September 2026
38AQI (US)
14th September 2026
41AQI (US)
15th September 2026
34AQI (US)
16th September 2026
30AQI (US)
17th September 2026
33AQI (US)
18th September 2026
38AQI (US)
19th September 2026
32AQI (US)
20th September 2026
33AQI (US)
21st September 2026
19AQI (US)
22nd September 2026
26AQI (US)
23rd September 2026
41AQI (US)
24th September 2026
40AQI (US)
25th September 2026
45AQI (US)
26th September 2026
42AQI (US)
27th September 2026
26AQI (US)
28th September 2026
35AQI (US)
29th September 2026
42AQI (US)
30th September 2026
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

36AQI (US)

37AQI (US)

50AQI (US)

37AQI (US)

42AQI (US)

25AQI (US)

36AQI (US)

41AQI (US)

35AQI (US)

No. of days

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

202638AQI (US)

27
4
25
3
13
18
28
2
22
9
30
28
3
23
8
28
1
224
48

Highest AQI (US) recorded in

March

50AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202546AQI (US)

21
10
25
3
12
19
23
7
28
3
27
3
20
11
25
6
28
2
12
19
8
22
12
19
241
124

Highest AQI (US) recorded in

December

56AQI (US)

Lowest AQI (US) recorded in

May

35AQI (US)

202432AQI (US)

30
29
31
29
1
31
29
1
26
5
30
1
27
3
30
1
28
2
23
8
343
22

Highest AQI (US) recorded in

December

46AQI (US)

Lowest AQI (US) recorded in

August

23AQI (US)

202329AQI (US)

13
29
2
28
2
31
31
30
29
2
29
31
251
6

Highest AQI (US) recorded in

April

34AQI (US)

Lowest AQI (US) recorded in

August

22AQI (US)

202229AQI (US)

30
21
31
17
30
1
30
21
1
28
29
2
12
250
3

Highest AQI (US) recorded in

May

32AQI (US)

Lowest AQI (US) recorded in

August

21AQI (US)

202130AQI (US)

21
10
18
10
17
12
21
31
29
1
31
31
30
31
28
2
31
319
35

Highest AQI (US) recorded in

January

45AQI (US)

Lowest AQI (US) recorded in

April

18AQI (US)

202041AQI (US)

8
5
17
4
14
4
20
10
24
7
14
17
17
2
19
12
18
12
28
3
179
76

Highest AQI (US) recorded in

August

56AQI (US)

Lowest AQI (US) recorded in

December

14AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
46AQI (US)
Least Polluted Year Recorded
2022(Avg.)
29AQI (US)

Shimotsuke's annual 2026 AQI (US) (38) shows an average percentage change of 13.7% (worsened AQI (US)) compared to previous years: 2020 (41), 2021 (30), 2022 (29), 2023 (29), 2024 (32), 2025 (46).