Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Tomioka, Gunma, 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+

August Air Quality Analysis

Tomioka, Gunma, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2025
58AQI
Lowest AQI recorded on
30th Aug 2024
14AQI

Same Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 7th Aug - 8th Aug 2026

Tomioka, Gunma, Japan

AQI
Day
Night
.

4 AM7th Aug 2026

6 PM

3 AM8th Aug 2026

Day time
Avg. Highest Time
1PM7th Aug

49AQI

Avg. Lowest Time
5AM7th Aug

25AQI

Night time
Avg. Highest Time
7PM7th Aug

27AQI

Avg. Lowest Time
3AM8th Aug

25AQI

In the last 24 hours,

Tomioka's AQI reached its highest point of 49 at 1 PM during the Day, while the lowest point, 25, was recorded at 3 AM during the Night between 7th Aug and 8th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Tomioka, Gunma, Japan

JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026264 AMAQI
10th Jul 2026305 AMAQI
10th Jul 2026296 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026262 PMAQI
10th Jul 2026253 PMAQI
10th Jul 2026264 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026307 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026279 PMAQI
10th Jul 20262910 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026301 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026303 AMAQI

26°C19/33°C

11th Jul 2026274 AMAQI
11th Jul 2026315 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026317 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263310 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026282 PMAQI
11th Jul 2026253 PMAQI
11th Jul 2026294 PMAQI
11th Jul 2026335 PMAQI
11th Jul 2026306 PMAQI
11th Jul 2026327 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026319 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263211 PMAQI
12th Jul 20263212 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026313 AMAQI

26°C21/32°C

12th Jul 2026264 AMAQI
12th Jul 2026315 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026317 AMAQI
12th Jul 2026308 AMAQI
12th Jul 2026319 AMAQI
12th Jul 20263210 AMAQI
12th Jul 20262811 AMAQI
12th Jul 20262612 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026252 PMAQI
12th Jul 2026263 PMAQI
12th Jul 2026274 PMAQI
12th Jul 2026315 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026337 PMAQI
12th Jul 2026308 PMAQI
12th Jul 2026319 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026263 AMAQI

24°C21/29°C

13th Jul 2026254 AMAQI
13th Jul 2026265 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026267 AMAQI
13th Jul 2026268 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20262311 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026223 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026315 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026369 PMAQI
13th Jul 20263710 PMAQI
13th Jul 20263611 PMAQI
14th Jul 20263812 AMAQI
14th Jul 2026681 AMAQI
14th Jul 2026672 AMAQI
14th Jul 2026653 AMAQI

23°C21/28°C

14th Jul 2026574 AMAQI
14th Jul 2026585 AMAQI
14th Jul 2026306 AMAQI
14th Jul 2026307 AMAQI
14th Jul 2026268 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20263010 AMAQI
14th Jul 20262311 AMAQI
14th Jul 20262212 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026212 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026234 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026306 PMAQI
14th Jul 2026317 PMAQI
14th Jul 2026318 PMAQI
14th Jul 2026329 PMAQI
14th Jul 20263310 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263612 AMAQI
15th Jul 2026351 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026323 AMAQI

28°C20/36°C

15th Jul 2026284 AMAQI
15th Jul 2026315 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026327 AMAQI
15th Jul 2026328 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20262612 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026213 PMAQI
15th Jul 2026244 PMAQI
15th Jul 2026285 PMAQI
15th Jul 2026286 PMAQI
15th Jul 2026717 PMAQI
15th Jul 2026648 PMAQI
15th Jul 2026579 PMAQI
15th Jul 20266010 PMAQI
15th Jul 20266411 PMAQI
16th Jul 20266412 AMAQI
16th Jul 2026401 AMAQI
16th Jul 2026382 AMAQI
16th Jul 2026383 AMAQI

28°C22/35°C

16th Jul 2026684 AMAQI
16th Jul 2026655 AMAQI
16th Jul 2026626 AMAQI
16th Jul 2026647 AMAQI
16th Jul 2026628 AMAQI
16th Jul 2026579 AMAQI
16th Jul 20263810 AMAQI
16th Jul 20264811 AMAQI
16th Jul 20264812 PMAQI
16th Jul 2026441 PMAQI
16th Jul 2026292 PMAQI
16th Jul 2026333 PMAQI
16th Jul 2026314 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026317 PMAQI
16th Jul 2026288 PMAQI
16th Jul 2026299 PMAQI
16th Jul 20262910 PMAQI
16th Jul 20263011 PMAQI
17th Jul 20262812 AMAQI
17th Jul 2026181 AMAQI
17th Jul 2026252 AMAQI
17th Jul 2026173 AMAQI

27°C24/34°C

17th Jul 2026214 AMAQI
17th Jul 2026255 AMAQI
17th Jul 2026316 AMAQI
17th Jul 2026277 AMAQI
17th Jul 2026318 AMAQI
17th Jul 2026319 AMAQI
17th Jul 20263310 AMAQI
17th Jul 20263811 AMAQI
17th Jul 20263612 PMAQI
17th Jul 2026541 PMAQI
17th Jul 2026602 PMAQI
17th Jul 2026663 PMAQI
17th Jul 2026764 PMAQI
17th Jul 2026555 PMAQI
17th Jul 2026466 PMAQI
17th Jul 2026547 PMAQI
17th Jul 2026518 PMAQI
17th Jul 2026369 PMAQI
17th Jul 20262110 PMAQI
17th Jul 20261911 PMAQI
18th Jul 20261912 AMAQI
18th Jul 2026231 AMAQI
18th Jul 2026212 AMAQI
18th Jul 2026143 AMAQI

26°C23/28°C

18th Jul 2026214 AMAQI
18th Jul 2026175 AMAQI
18th Jul 2026176 AMAQI
18th Jul 2026197 AMAQI
18th Jul 2026258 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20261910 AMAQI
18th Jul 20261711 AMAQI
18th Jul 20261912 PMAQI
18th Jul 2026251 PMAQI
18th Jul 2026292 PMAQI
18th Jul 2026253 PMAQI
18th Jul 2026294 PMAQI
18th Jul 2026315 PMAQI
18th Jul 2026386 PMAQI
18th Jul 2026257 PMAQI
18th Jul 2026218 PMAQI
18th Jul 2026219 PMAQI
18th Jul 20262110 PMAQI
18th Jul 20262111 PMAQI
19th Jul 20262112 AMAQI
19th Jul 2026211 AMAQI
19th Jul 2026322 AMAQI
19th Jul 2026313 AMAQI

23°C22/24°C

19th Jul 2026384 AMAQI
19th Jul 2026345 AMAQI
19th Jul 2026306 AMAQI
19th Jul 2026307 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026389 AMAQI
19th Jul 20263010 AMAQI
19th Jul 20262111 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026311 PMAQI
19th Jul 2026292 PMAQI
19th Jul 2026333 PMAQI
19th Jul 2026384 PMAQI
19th Jul 2026385 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026313 AMAQI

27°C23/32°C

20th Jul 2026294 AMAQI
20th Jul 2026345 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026337 AMAQI
20th Jul 2026368 AMAQI
20th Jul 2026339 AMAQI
20th Jul 20263110 AMAQI
20th Jul 20263611 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026363 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026405 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026408 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20264210 PMAQI
20th Jul 20264411 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026483 AMAQI

28°C22/35°C

21st Jul 2026484 AMAQI
21st Jul 2026485 AMAQI
21st Jul 2026486 AMAQI
21st Jul 2026507 AMAQI
21st Jul 2026508 AMAQI
21st Jul 2026509 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20265111 AMAQI
21st Jul 2026501 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026544 PMAQI
21st Jul 2026525 PMAQI
21st Jul 2026526 PMAQI
21st Jul 2026947 PMAQI
21st Jul 2026538 PMAQI
21st Jul 2026559 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265312 AMAQI
22nd Jul 2026541 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026533 AMAQI

29°C23/36°C

22nd Jul 2026544 AMAQI
22nd Jul 2026565 AMAQI
22nd Jul 2026586 AMAQI
22nd Jul 2026577 AMAQI
22nd Jul 2026558 AMAQI
22nd Jul 2026569 AMAQI
22nd Jul 20265610 AMAQI
22nd Jul 20265411 AMAQI
22nd Jul 20265612 PMAQI
22nd Jul 2026551 PMAQI
22nd Jul 2026602 PMAQI
22nd Jul 2026603 PMAQI
22nd Jul 2026574 PMAQI
22nd Jul 2026595 PMAQI
22nd Jul 2026596 PMAQI
22nd Jul 2026657 PMAQI
22nd Jul 2026668 PMAQI
22nd Jul 2026739 PMAQI
22nd Jul 20267310 PMAQI
22nd Jul 20268211 PMAQI
23rd Jul 20269012 AMAQI
23rd Jul 2026921 AMAQI
23rd Jul 2026802 AMAQI
23rd Jul 2026783 AMAQI

29°C22/38°C

23rd Jul 2026884 AMAQI
23rd Jul 2026865 AMAQI
23rd Jul 2026906 AMAQI
23rd Jul 2026817 AMAQI
23rd Jul 2026788 AMAQI
23rd Jul 2026639 AMAQI
23rd Jul 20265710 AMAQI
23rd Jul 20265511 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026331 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026293 PMAQI
23rd Jul 2026234 PMAQI
23rd Jul 2026295 PMAQI
23rd Jul 2026346 PMAQI
23rd Jul 2026607 PMAQI
23rd Jul 2026748 PMAQI
23rd Jul 2026699 PMAQI
23rd Jul 20264610 PMAQI
23rd Jul 20264211 PMAQI
24th Jul 20265012 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026382 AMAQI
24th Jul 2026333 AMAQI

29°C23/37°C

24th Jul 2026334 AMAQI
24th Jul 2026315 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026408 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20263610 AMAQI
24th Jul 20264011 AMAQI
24th Jul 20263612 PMAQI
24th Jul 2026491 PMAQI
24th Jul 2026532 PMAQI
24th Jul 2026603 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026675 PMAQI
24th Jul 2026606 PMAQI
24th Jul 2026717 PMAQI
24th Jul 2026698 PMAQI
24th Jul 2026699 PMAQI
24th Jul 20266010 PMAQI
24th Jul 20264711 PMAQI
25th Jul 20265112 AMAQI
25th Jul 2026481 AMAQI
25th Jul 2026512 AMAQI
25th Jul 2026513 AMAQI

27°C24/32°C

25th Jul 2026364 AMAQI
25th Jul 2026445 AMAQI
25th Jul 2026506 AMAQI
25th Jul 2026557 AMAQI
25th Jul 2026538 AMAQI
25th Jul 2026449 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026331 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026334 PMAQI
25th Jul 2026335 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026339 PMAQI
25th Jul 20263310 PMAQI
25th Jul 20263311 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026213 AMAQI

27°C21/35°C

26th Jul 2026234 AMAQI
26th Jul 2026255 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026217 AMAQI
26th Jul 202688 AMAQI
26th Jul 202689 AMAQI
26th Jul 20261410 AMAQI
26th Jul 20261711 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026481 PMAQI
26th Jul 2026172 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026294 PMAQI
26th Jul 2026125 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026238 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026322 AMAQI
27th Jul 2026213 AMAQI

25°C21/30°C

27th Jul 2026214 AMAQI
27th Jul 2026275 AMAQI
27th Jul 2026306 AMAQI
27th Jul 2026307 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20263810 AMAQI
27th Jul 20263311 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026212 PMAQI
27th Jul 2026213 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026235 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI

24°C19/30°C

28th Jul 2026254 AMAQI
28th Jul 2026255 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026279 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262711 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026313 PMAQI
28th Jul 2026314 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026336 PMAQI
28th Jul 2026337 PMAQI
28th Jul 2026338 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20263311 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026293 AMAQI

22°C19/24°C

29th Jul 2026274 AMAQI
29th Jul 2026255 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026258 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262311 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026306 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026278 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20263012 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026212 AMAQI
30th Jul 2026213 AMAQI

25°C18/34°C

30th Jul 2026214 AMAQI
30th Jul 2026215 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262112 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026338 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20263310 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20263312 AMAQI
31st Jul 2026381 AMAQI
31st Jul 2026332 AMAQI
31st Jul 2026363 AMAQI

26°C20/35°C

31st Jul 2026364 AMAQI
31st Jul 2026385 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026388 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20263812 PMAQI
31st Jul 2026331 PMAQI
31st Jul 2026332 PMAQI
31st Jul 2026363 PMAQI
31st Jul 2026334 PMAQI
31st Jul 2026385 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026427 PMAQI
31st Jul 2026428 PMAQI
31st Jul 2026429 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20264812 AMAQI
1st Aug 2026481 AMAQI
1st Aug 2026482 AMAQI
1st Aug 2026483 AMAQI

27°C21/35°C

1st Aug 2026514 AMAQI
1st Aug 2026505 AMAQI
1st Aug 2026516 AMAQI
1st Aug 2026537 AMAQI
1st Aug 2026528 AMAQI
1st Aug 2026549 AMAQI
1st Aug 20265210 AMAQI
1st Aug 20265111 AMAQI
1st Aug 20265212 PMAQI
1st Aug 2026511 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026484 PMAQI
1st Aug 2026505 PMAQI
1st Aug 2026486 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20265911 PMAQI
2nd Aug 20264012 AMAQI
2nd Aug 2026381 AMAQI
2nd Aug 2026402 AMAQI
2nd Aug 2026423 AMAQI

28°C21/36°C

2nd Aug 2026384 AMAQI
2nd Aug 2026385 AMAQI
2nd Aug 2026366 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026338 AMAQI
2nd Aug 2026339 AMAQI
2nd Aug 20263310 AMAQI
2nd Aug 20263111 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026362 PMAQI
2nd Aug 2026483 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026465 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026337 PMAQI
2nd Aug 2026338 PMAQI
2nd Aug 2026339 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026211 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026213 AMAQI

28°C22/35°C

3rd Aug 2026234 AMAQI
3rd Aug 2026315 AMAQI
3rd Aug 2026216 AMAQI
3rd Aug 2026317 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262311 AMAQI
3rd Aug 20263312 PMAQI
3rd Aug 2026211 PMAQI
3rd Aug 2026252 PMAQI
3rd Aug 2026253 PMAQI
3rd Aug 2026234 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026216 PMAQI
3rd Aug 2026237 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20262110 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20262312 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026253 AMAQI

22°C21/23°C

4th Aug 2026254 AMAQI
4th Aug 2026255 AMAQI
4th Aug 2026256 AMAQI
4th Aug 2026257 AMAQI
4th Aug 2026258 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20262911 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026272 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026364 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026366 PMAQI
4th Aug 2026337 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026389 PMAQI
4th Aug 20263310 PMAQI
4th Aug 20263611 PMAQI
5th Aug 20263812 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026333 AMAQI

22°C18/28°C

5th Aug 2026364 AMAQI
5th Aug 2026365 AMAQI
5th Aug 2026366 AMAQI
5th Aug 2026337 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026369 AMAQI
5th Aug 20263310 AMAQI
5th Aug 20263111 AMAQI
5th Aug 20263312 PMAQI
5th Aug 2026311 PMAQI
5th Aug 2026332 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026336 PMAQI
5th Aug 2026337 PMAQI
5th Aug 2026368 PMAQI
5th Aug 2026389 PMAQI
5th Aug 20263810 PMAQI
5th Aug 20263811 PMAQI
6th Aug 20263812 AMAQI
6th Aug 2026401 AMAQI
6th Aug 2026382 AMAQI
6th Aug 2026403 AMAQI

24°C16/30°C

6th Aug 2026424 AMAQI
6th Aug 2026385 AMAQI
6th Aug 2026386 AMAQI
6th Aug 2026427 AMAQI
6th Aug 2026408 AMAQI
6th Aug 2026409 AMAQI
6th Aug 20263810 AMAQI
6th Aug 20264011 AMAQI
6th Aug 20263612 PMAQI
6th Aug 2026361 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026313 PMAQI
6th Aug 2026314 PMAQI
6th Aug 2026335 PMAQI
6th Aug 2026316 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026338 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262711 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026271 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026293 AMAQI

26°C23/31°C

7th Aug 2026274 AMAQI
7th Aug 2026255 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026277 AMAQI
7th Aug 2026278 AMAQI
7th Aug 2026279 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20262911 AMAQI
7th Aug 20263612 PMAQI
7th Aug 2026491 PMAQI
7th Aug 2026272 PMAQI
7th Aug 2026293 PMAQI
7th Aug 2026274 PMAQI
7th Aug 2026275 PMAQI
7th Aug 2026276 PMAQI
7th Aug 2026277 PMAQI
7th Aug 2026278 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262710 PMAQI
7th Aug 20262711 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026252 AMAQI
8th Aug 2026253 AMAQI

26°C23/32°C

8th Aug 2026254 AMAQI
4 AM
8th Aug 2026255 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026237 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262111 AMAQI
11 AM
8th Aug 20263012 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026232 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026236 PMAQI
6 PM
8th Aug 2026257 PMAQI
8th Aug 2026298 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262511 PMAQI
11 PM
3 AM

27°C22/33°C

Day time
Avg. Highest Time
4 AM - 10 AM

35AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
11 AM - 12 PM

32AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 10 AM (Avg. 35), while the lowest AQI was between 11 AM to 12 PM (Avg. 32).
Night time
Avg. Highest Time
7 PM - 9 PM

37AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 3 AM

35AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 9 PM (Avg. 37), while the lowest AQI was between 12 AM to 3 AM (Avg. 35).

2026 Days Vs Air Quality

Tomioka, Gunma, Japan

2026

82%

180

18%

40

Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)

Good
180 Days
Moderate
40 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 220 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

Tomioka, Gunma, 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
18AQI (US)
2nd January 2026
23AQI (US)
3rd January 2026
22AQI (US)
4th January 2026
28AQI (US)
5th January 2026
36AQI (US)
6th January 2026
20AQI (US)
7th January 2026
29AQI (US)
8th January 2026
28AQI (US)
9th January 2026
20AQI (US)
10th January 2026
35AQI (US)
11th January 2026
40AQI (US)
12th January 2026
16AQI (US)
13th January 2026
22AQI (US)
14th January 2026
13AQI (US)
15th January 2026
30AQI (US)
16th January 2026
44AQI (US)
17th January 2026
40AQI (US)
18th January 2026
18AQI (US)
19th January 2026
44AQI (US)
20th January 2026
33AQI (US)
21st January 2026
20AQI (US)
22nd January 2026
26AQI (US)
23rd January 2026
52AQI (US)
24th January 2026
53AQI (US)
25th January 2026
43AQI (US)
26th January 2026
28AQI (US)
27th January 2026
43AQI (US)
28th January 2026
27AQI (US)
29th January 2026
27AQI (US)
30th January 2026
37AQI (US)
31st January 2026
38AQI (US)
1st February 2026
41AQI (US)
2nd February 2026
52AQI (US)
3rd February 2026
33AQI (US)
4th February 2026
48AQI (US)
5th February 2026
47AQI (US)
6th February 2026
47AQI (US)
7th February 2026
10AQI (US)
8th February 2026
17AQI (US)
9th February 2026
41AQI (US)
10th February 2026
47AQI (US)
11th February 2026
48AQI (US)
12th February 2026
36AQI (US)
13th February 2026
45AQI (US)
14th February 2026
66AQI (US)
15th February 2026
54AQI (US)
16th February 2026
40AQI (US)
17th February 2026
18AQI (US)
18th February 2026
32AQI (US)
19th February 2026
14AQI (US)
20th February 2026
21AQI (US)
21st February 2026
48AQI (US)
22nd February 2026
51AQI (US)
23rd February 2026
44AQI (US)
24th February 2026
38AQI (US)
25th February 2026
50AQI (US)
26th February 2026
12AQI (US)
27th February 2026
29AQI (US)
28th February 2026
48AQI (US)
1st March 2026
51AQI (US)
2nd March 2026
69AQI (US)
3rd March 2026
52AQI (US)
4th March 2026
60AQI (US)
5th March 2026
64AQI (US)
6th March 2026
55AQI (US)
7th March 2026
49AQI (US)
8th March 2026
49AQI (US)
9th March 2026
54AQI (US)
10th March 2026
58AQI (US)
11th March 2026
60AQI (US)
12th March 2026
73AQI (US)
13th March 2026
46AQI (US)
14th March 2026
50AQI (US)
15th March 2026
29AQI (US)
16th March 2026
62AQI (US)
17th March 2026
56AQI (US)
18th March 2026
68AQI (US)
19th March 2026
34AQI (US)
20th March 2026
32AQI (US)
21st March 2026
46AQI (US)
22nd March 2026
50AQI (US)
23rd March 2026
54AQI (US)
24th March 2026
47AQI (US)
25th March 2026
62AQI (US)
26th March 2026
28AQI (US)
27th March 2026
16AQI (US)
28th March 2026
44AQI (US)
29th March 2026
60AQI (US)
30th March 2026
62AQI (US)
31st March 2026
36AQI (US)
1st April 2026
15AQI (US)
2nd April 2026
22AQI (US)
3rd April 2026
49AQI (US)
4th April 2026
58AQI (US)
5th April 2026
29AQI (US)
6th April 2026
28AQI (US)
7th April 2026
31AQI (US)
8th April 2026
27AQI (US)
9th April 2026
35AQI (US)
10th April 2026
49AQI (US)
11th April 2026
38AQI (US)
12th April 2026
37AQI (US)
13th April 2026
38AQI (US)
14th April 2026
55AQI (US)
15th April 2026
49AQI (US)
16th April 2026
31AQI (US)
17th April 2026
32AQI (US)
18th April 2026
38AQI (US)
19th April 2026
41AQI (US)
20th April 2026
41AQI (US)
21st April 2026
42AQI (US)
22nd April 2026
47AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
33AQI (US)
25th April 2026
47AQI (US)
26th April 2026
52AQI (US)
27th April 2026
49AQI (US)
28th April 2026
44AQI (US)
29th April 2026
41AQI (US)
30th April 2026
42AQI (US)
1st May 2026
45AQI (US)
2nd May 2026
54AQI (US)
3rd May 2026
51AQI (US)
4th May 2026
30AQI (US)
5th May 2026
24AQI (US)
6th May 2026
37AQI (US)
7th May 2026
38AQI (US)
8th May 2026
29AQI (US)
9th May 2026
30AQI (US)
10th May 2026
40AQI (US)
11th May 2026
27AQI (US)
12th May 2026
28AQI (US)
13th May 2026
45AQI (US)
14th May 2026
41AQI (US)
15th May 2026
54AQI (US)
16th May 2026
85AQI (US)
17th May 2026
69AQI (US)
18th May 2026
53AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
60AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
55AQI (US)
24th May 2026
59AQI (US)
25th May 2026
48AQI (US)
26th May 2026
41AQI (US)
27th May 2026
27AQI (US)
28th May 2026
26AQI (US)
29th May 2026
26AQI (US)
30th May 2026
25AQI (US)
31st May 2026
27AQI (US)
1st June 2026
29AQI (US)
2nd June 2026
38AQI (US)
3rd June 2026
15AQI (US)
4th June 2026
15AQI (US)
5th June 2026
22AQI (US)
6th June 2026
24AQI (US)
7th June 2026
22AQI (US)
8th June 2026
20AQI (US)
9th June 2026
15AQI (US)
10th June 2026
22AQI (US)
11th June 2026
26AQI (US)
12th June 2026
26AQI (US)
13th June 2026
28AQI (US)
14th June 2026
26AQI (US)
15th June 2026
21AQI (US)
16th June 2026
23AQI (US)
17th June 2026
25AQI (US)
18th June 2026
27AQI (US)
19th June 2026
32AQI (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
25AQI (US)
26th June 2026
24AQI (US)
27th June 2026
25AQI (US)
28th June 2026
29AQI (US)
29th June 2026
28AQI (US)
30th June 2026
25AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
30AQI (US)
3rd July 2026
16AQI (US)
4th July 2026
46AQI (US)
5th July 2026
28AQI (US)
6th July 2026
34AQI (US)
7th July 2026
26AQI (US)
8th July 2026
29AQI (US)
9th July 2026
26AQI (US)
10th July 2026
28AQI (US)
11th July 2026
30AQI (US)
12th July 2026
29AQI (US)
13th July 2026
28AQI (US)
14th July 2026
35AQI (US)
15th July 2026
36AQI (US)
16th July 2026
43AQI (US)
17th July 2026
37AQI (US)
18th July 2026
23AQI (US)
19th July 2026
29AQI (US)
20th July 2026
36AQI (US)
21st July 2026
52AQI (US)
22nd July 2026
59AQI (US)
23rd July 2026
61AQI (US)
24th July 2026
48AQI (US)
25th July 2026
40AQI (US)
26th July 2026
21AQI (US)
27th July 2026
26AQI (US)
28th July 2026
28AQI (US)
29th July 2026
25AQI (US)
30th July 2026
25AQI (US)
31st July 2026
38AQI (US)
1st August 2026
50AQI (US)
2nd August 2026
37AQI (US)
3rd August 2026
24AQI (US)
4th August 2026
29AQI (US)
5th August 2026
34AQI (US)
6th August 2026
36AQI (US)
7th August 2026
29AQI (US)
8th August 2026
24AQI (US)
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
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

31AQI (US)

38AQI (US)

51AQI (US)

39AQI (US)

43AQI (US)

24AQI (US)

34AQI (US)

33AQI (US)

No. of days

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

202637AQI (US)

29
2
24
4
14
17
27
3
20
11
30
28
3
8
180
40

Highest AQI (US) recorded in

March

51AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202542AQI (US)

31
28
23
8
24
6
26
5
22
8
13
18
23
8
30
9
22
25
5
25
6
279
86

Highest AQI (US) recorded in

October

53AQI (US)

Lowest AQI (US) recorded in

January

33AQI (US)

202439AQI (US)

31
28
1
28
3
17
12
1
25
6
24
5
27
4
27
4
28
2
31
26
3
1
31
323
40
1
1

Highest AQI (US) recorded in

April

54AQI (US)

Lowest AQI (US) recorded in

December

30AQI (US)

202339AQI (US)

29
1
27
1
26
5
19
11
24
7
22
8
17
14
28
3
30
30
1
23
3
31
306
54

Highest AQI (US) recorded in

April

48AQI (US)

Lowest AQI (US) recorded in

January

32AQI (US)

202237AQI (US)

29
1
20
1
24
7
19
11
24
7
19
11
16
6
1
28
29
2
26
2
31
266
48

Highest AQI (US) recorded in

April

47AQI (US)

Lowest AQI (US) recorded in

December

28AQI (US)

202134AQI (US)

30
1
24
4
28
3
23
29
2
22
8
27
4
28
3
28
2
30
1
27
3
31
327
31

Highest AQI (US) recorded in

June

44AQI (US)

Lowest AQI (US) recorded in

January

24AQI (US)

202030AQI (US)

12
1
21
18
24
6
30
1
17
14
19
29
2
25
4
31
226
28

Highest AQI (US) recorded in

August

51AQI (US)

Lowest AQI (US) recorded in

December

20AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
42AQI (US)
Least Polluted Year Recorded
2020(Avg.)
30AQI (US)

Tomioka's annual 2026 AQI (US) (37) shows an average percentage change of 1.6% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (34), 2022 (37), 2023 (39), 2024 (39), 2025 (42).