Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Kojimaogawa, Tama, Okayama, 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

Kojimaogawa, Tama, Okayama, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2021
82AQI
Lowest AQI recorded on
29th Aug 2024
15AQI

Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 37 of Good air quality, showing improvement over 2023 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 12th Aug - 13th Aug 2025

Kojimaogawa, Tama, Okayama, Japan

AQI
Day
Night
.

5 AM12th Aug 2025

7 PM

4 AM13th Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
2AM13th Aug

39AQI

Avg. Lowest Time
3PM12th Aug

21AQI

In the last 24 hours,

Kojimaogawa's AQI reached its highest point of 39 at 2 AM during the Night, while the lowest point, 21, was recorded at 3 PM during the Night between 12th Aug and 13th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Kojimaogawa, Tama, Okayama, Japan

JulAug
14th - 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 - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
14th Jul 2025605 AMAQI
14th Jul 2025596 AMAQI
14th Jul 2025607 AMAQI
14th Jul 2025598 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252010 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025255 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025227 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025602 AMAQI
15th Jul 2025603 AMAQI
15th Jul 2025584 AMAQI

26°C25/27°C

15th Jul 2025565 AMAQI
15th Jul 2025566 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025309 AMAQI
15th Jul 20252710 AMAQI
15th Jul 20253011 AMAQI
15th Jul 20253112 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025364 PMAQI
15th Jul 2025455 PMAQI
15th Jul 2025556 PMAQI
15th Jul 2025567 PMAQI
15th Jul 2025588 PMAQI
15th Jul 2025589 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255611 PMAQI
16th Jul 20255812 AMAQI
16th Jul 2025581 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025554 AMAQI

26°C24/30°C

16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025629 AMAQI
16th Jul 20256010 AMAQI
16th Jul 20256011 AMAQI
16th Jul 20256112 PMAQI
16th Jul 2025621 PMAQI
16th Jul 2025662 PMAQI
16th Jul 2025673 PMAQI
16th Jul 2025674 PMAQI
16th Jul 2025635 PMAQI
16th Jul 2025686 PMAQI
16th Jul 2025647 PMAQI
16th Jul 2025648 PMAQI
16th Jul 2025589 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20255712 AMAQI
17th Jul 2025561 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025564 AMAQI

27°C25/31°C

17th Jul 2025565 AMAQI
17th Jul 2025576 AMAQI
17th Jul 2025577 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253511 AMAQI
17th Jul 20252212 PMAQI
17th Jul 2025241 PMAQI
17th Jul 2025262 PMAQI
17th Jul 2025253 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025205 PMAQI
17th Jul 2025206 PMAQI
17th Jul 2025217 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025563 AMAQI
18th Jul 2025544 AMAQI

26°C25/27°C

18th Jul 2025545 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025547 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20253411 AMAQI
18th Jul 20253912 PMAQI
18th Jul 2025411 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025404 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025459 PMAQI
18th Jul 20254610 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20254612 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025524 AMAQI

27°C26/29°C

19th Jul 2025515 AMAQI
19th Jul 2025516 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025518 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20251810 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025194 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025226 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025328 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025513 AMAQI
20th Jul 2025484 AMAQI

27°C26/29°C

20th Jul 2025465 AMAQI
20th Jul 2025456 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252212 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025307 PMAQI
20th Jul 2025298 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20254011 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025454 AMAQI

27°C25/30°C

21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025249 AMAQI
21st Jul 20252210 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025292 PMAQI
21st Jul 2025383 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025256 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025348 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20254111 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
22nd Jul 2025404 AMAQI

27°C26/29°C

22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20254312 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025542 PMAQI
22nd Jul 2025603 PMAQI
22nd Jul 2025534 PMAQI
22nd Jul 2025545 PMAQI
22nd Jul 2025596 PMAQI
22nd Jul 2025547 PMAQI
22nd Jul 2025498 PMAQI
22nd Jul 2025399 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025393 AMAQI
23rd Jul 2025394 AMAQI

27°C26/29°C

23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20252610 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025451 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025604 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025406 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025348 PMAQI
23rd Jul 2025389 PMAQI
23rd Jul 20253810 PMAQI
23rd Jul 20254011 PMAQI
24th Jul 20253812 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025392 AMAQI
24th Jul 2025403 AMAQI
24th Jul 2025394 AMAQI

28°C26/29°C

24th Jul 2025405 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025398 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20252910 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20254412 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025603 PMAQI
24th Jul 2025534 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025457 PMAQI
24th Jul 2025348 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253110 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025382 AMAQI
25th Jul 2025383 AMAQI
25th Jul 2025394 AMAQI

28°C26/30°C

25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20251610 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251912 PMAQI
25th Jul 2025211 PMAQI
25th Jul 2025212 PMAQI
25th Jul 2025203 PMAQI
25th Jul 2025204 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025176 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025208 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025301 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025373 AMAQI
26th Jul 2025344 AMAQI

28°C26/30°C

26th Jul 2025345 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025199 AMAQI
26th Jul 20251510 AMAQI
26th Jul 20251511 AMAQI
26th Jul 20251812 PMAQI
26th Jul 2025201 PMAQI
26th Jul 2025182 PMAQI
26th Jul 2025213 PMAQI
26th Jul 2025194 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025176 PMAQI
26th Jul 2025177 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025279 PMAQI
26th Jul 20252610 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025333 AMAQI
27th Jul 2025324 AMAQI

28°C26/30°C

27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20251410 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251912 PMAQI
27th Jul 2025191 PMAQI
27th Jul 2025212 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025186 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252511 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025284 AMAQI

28°C26/30°C

28th Jul 2025275 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025277 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252510 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025383 PMAQI
28th Jul 2025354 PMAQI
28th Jul 2025255 PMAQI
28th Jul 2025196 PMAQI
28th Jul 2025227 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20252412 AMAQI
29th Jul 2025241 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025284 AMAQI

28°C26/30°C

29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025239 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20255611 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025401 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025384 PMAQI
29th Jul 2025475 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025548 PMAQI
29th Jul 2025489 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254411 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025273 AMAQI
30th Jul 2025284 AMAQI

28°C27/30°C

30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025298 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20253610 AMAQI
30th Jul 20257911 AMAQI
30th Jul 20254412 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025543 PMAQI
30th Jul 2025564 PMAQI
30th Jul 2025575 PMAQI
30th Jul 2025586 PMAQI
30th Jul 2025617 PMAQI
30th Jul 2025578 PMAQI
30th Jul 2025479 PMAQI
30th Jul 20254810 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20255012 AMAQI
31st Jul 2025451 AMAQI
31st Jul 2025312 AMAQI
31st Jul 2025323 AMAQI
31st Jul 2025324 AMAQI

28°C27/30°C

31st Jul 2025325 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20254611 AMAQI
31st Jul 20255112 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025603 PMAQI
31st Jul 2025624 PMAQI
31st Jul 2025625 PMAQI
31st Jul 2025596 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025468 PMAQI
31st Jul 2025489 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20253312 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025323 AMAQI
1st Aug 2025364 AMAQI

28°C26/30°C

1st Aug 2025365 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20254010 AMAQI
1st Aug 20254611 AMAQI
1st Aug 20254412 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025542 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025595 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025667 PMAQI
1st Aug 2025508 PMAQI
1st Aug 2025419 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20254012 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
2nd Aug 2025364 AMAQI

28°C27/30°C

2nd Aug 2025395 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025389 AMAQI
2nd Aug 20254110 AMAQI
2nd Aug 20253911 AMAQI
2nd Aug 20254312 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025316 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025448 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254311 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025404 AMAQI

29°C27/31°C

3rd Aug 2025425 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025417 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025399 AMAQI
3rd Aug 20254110 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20254812 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025422 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025514 PMAQI
3rd Aug 2025475 PMAQI
3rd Aug 2025416 PMAQI
3rd Aug 2025427 PMAQI
3rd Aug 2025378 PMAQI
3rd Aug 2025449 PMAQI
3rd Aug 20254310 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254712 AMAQI
4th Aug 2025431 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025424 AMAQI

29°C28/30°C

4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025619 AMAQI
4th Aug 20257110 AMAQI
4th Aug 20258711 AMAQI
4th Aug 20258512 PMAQI
4th Aug 2025751 PMAQI
4th Aug 2025752 PMAQI
4th Aug 2025843 PMAQI
4th Aug 2025744 PMAQI
4th Aug 2025755 PMAQI
4th Aug 2025696 PMAQI
4th Aug 2025677 PMAQI
4th Aug 2025578 PMAQI
4th Aug 2025529 PMAQI
4th Aug 20254710 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255012 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025432 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025524 AMAQI

29°C28/30°C

5th Aug 2025555 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025547 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025409 AMAQI
5th Aug 20254610 AMAQI
5th Aug 20255011 AMAQI
5th Aug 20255512 PMAQI
5th Aug 2025611 PMAQI
5th Aug 2025452 PMAQI
5th Aug 2025363 PMAQI
5th Aug 2025454 PMAQI
5th Aug 2025415 PMAQI
5th Aug 2025426 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025468 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254410 PMAQI
5th Aug 20254111 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025512 AMAQI
6th Aug 2025503 AMAQI
6th Aug 2025504 AMAQI

29°C28/30°C

6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025479 AMAQI
6th Aug 20253710 AMAQI
6th Aug 20254211 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025421 PMAQI
6th Aug 2025352 PMAQI
6th Aug 2025303 PMAQI
6th Aug 2025464 PMAQI
6th Aug 2025425 PMAQI
6th Aug 2025466 PMAQI
6th Aug 2025417 PMAQI
6th Aug 2025448 PMAQI
6th Aug 2025529 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20255011 PMAQI
7th Aug 20254912 AMAQI
7th Aug 2025471 AMAQI
7th Aug 2025502 AMAQI
7th Aug 2025513 AMAQI
7th Aug 2025504 AMAQI

30°C28/31°C

7th Aug 2025505 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025488 AMAQI
7th Aug 2025419 AMAQI
7th Aug 20254010 AMAQI
7th Aug 20254111 AMAQI
7th Aug 20254412 PMAQI
7th Aug 2025421 PMAQI
7th Aug 2025402 PMAQI
7th Aug 2025343 PMAQI
7th Aug 2025364 PMAQI
7th Aug 2025425 PMAQI
7th Aug 2025526 PMAQI
7th Aug 2025547 PMAQI
7th Aug 2025528 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255311 PMAQI
8th Aug 20255412 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025513 AMAQI
8th Aug 2025494 AMAQI

29°C26/30°C

8th Aug 2025495 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025497 AMAQI
8th Aug 2025488 AMAQI
8th Aug 2025479 AMAQI
8th Aug 20254310 AMAQI
8th Aug 20255511 AMAQI
8th Aug 20256712 PMAQI
8th Aug 2025741 PMAQI
8th Aug 2025722 PMAQI
8th Aug 2025563 PMAQI
8th Aug 2025544 PMAQI
8th Aug 2025545 PMAQI
8th Aug 2025566 PMAQI
8th Aug 2025557 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025539 PMAQI
8th Aug 20255110 PMAQI
8th Aug 20255011 PMAQI
9th Aug 20254812 AMAQI
9th Aug 2025481 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025513 AMAQI
9th Aug 2025524 AMAQI

28°C26/30°C

9th Aug 2025525 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025527 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025449 AMAQI
9th Aug 20254610 AMAQI
9th Aug 20254711 AMAQI
9th Aug 20255212 PMAQI
9th Aug 2025551 PMAQI
9th Aug 2025562 PMAQI
9th Aug 2025543 PMAQI
9th Aug 2025574 PMAQI
9th Aug 2025585 PMAQI
9th Aug 2025556 PMAQI
9th Aug 2025427 PMAQI
9th Aug 2025358 PMAQI
9th Aug 2025419 PMAQI
9th Aug 20254310 PMAQI
9th Aug 20254111 PMAQI
10th Aug 20254312 AMAQI
10th Aug 2025471 AMAQI
10th Aug 2025512 AMAQI
10th Aug 2025513 AMAQI
10th Aug 2025514 AMAQI

26°C24/27°C

10th Aug 2025515 AMAQI
10th Aug 2025526 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025518 AMAQI
10th Aug 2025459 AMAQI
10th Aug 20254510 AMAQI
10th Aug 20255611 AMAQI
10th Aug 20255612 PMAQI
10th Aug 2025581 PMAQI
10th Aug 2025562 PMAQI
10th Aug 2025473 PMAQI
10th Aug 2025544 PMAQI
10th Aug 2025565 PMAQI
10th Aug 2025526 PMAQI
10th Aug 2025457 PMAQI
10th Aug 2025488 PMAQI
10th Aug 2025469 PMAQI
10th Aug 20253610 PMAQI
10th Aug 20253411 PMAQI
11th Aug 20253512 AMAQI
11th Aug 2025381 AMAQI
11th Aug 2025502 AMAQI
11th Aug 2025493 AMAQI
11th Aug 2025504 AMAQI

25°C24/26°C

11th Aug 2025505 AMAQI
11th Aug 2025516 AMAQI
11th Aug 2025507 AMAQI
11th Aug 2025518 AMAQI
11th Aug 2025329 AMAQI
11th Aug 20253010 AMAQI
11th Aug 20253411 AMAQI
11th Aug 20254312 PMAQI
11th Aug 2025521 PMAQI
11th Aug 2025512 PMAQI
11th Aug 2025313 PMAQI
11th Aug 2025264 PMAQI
11th Aug 2025315 PMAQI
11th Aug 2025306 PMAQI
11th Aug 2025267 PMAQI
11th Aug 2025318 PMAQI
11th Aug 2025319 PMAQI
11th Aug 20253210 PMAQI
11th Aug 20253011 PMAQI
12th Aug 20253612 AMAQI
12th Aug 2025411 AMAQI
12th Aug 2025422 AMAQI
12th Aug 2025433 AMAQI
12th Aug 2025404 AMAQI

26°C26/27°C

12th Aug 2025375 AMAQI
12th Aug 2025376 AMAQI
12th Aug 2025387 AMAQI
12th Aug 2025378 AMAQI
12th Aug 2025279 AMAQI
12th Aug 20252210 AMAQI
12th Aug 20253311 AMAQI
12th Aug 20253012 PMAQI
12th Aug 2025291 PMAQI
12th Aug 2025292 PMAQI
12th Aug 2025213 PMAQI
12th Aug 2025294 PMAQI
12th Aug 2025245 PMAQI
12th Aug 2025356 PMAQI
12th Aug 2025287 PMAQI
12th Aug 2025288 PMAQI
12th Aug 2025349 PMAQI
12th Aug 20253110 PMAQI
12th Aug 20252911 PMAQI
13th Aug 20253012 AMAQI
13th Aug 2025341 AMAQI
13th Aug 2025392 AMAQI
13th Aug 2025383 AMAQI
13th Aug 2025374 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

44AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 44), while the lowest AQI was between 10 AM to 10 AM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 4 AM

43AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM - 11 PM

41AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 43), while the lowest AQI was between 8 PM to 11 PM (Avg. 41).

2025 Days Vs Air Quality

Kojimaogawa, Tama, Okayama, Japan

2025

65%

145

34%

77

0.8%

2

Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)

Good
145 Days
Moderate
77 Days
Poor
2 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 65%

Health Risk Level:

Moderate

In 2025, 65% of 224 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.

Annual Air Quality Insights

Kojimaogawa, Tama, Okayama, Japan

AQI levels in 2025

AQI
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.

1st January 2025
35AQI
2nd January 2025
41AQI
3rd January 2025
35AQI
4th January 2025
36AQI
5th January 2025
34AQI
6th January 2025
51AQI
7th January 2025
38AQI
8th January 2025
38AQI
9th January 2025
33AQI
10th January 2025
32AQI
11th January 2025
32AQI
12th January 2025
34AQI
13th January 2025
37AQI
14th January 2025
49AQI
15th January 2025
41AQI
16th January 2025
39AQI
17th January 2025
34AQI
18th January 2025
32AQI
19th January 2025
44AQI
20th January 2025
49AQI
21st January 2025
48AQI
22nd January 2025
65AQI
23rd January 2025
84AQI
24th January 2025
75AQI
25th January 2025
48AQI
26th January 2025
44AQI
27th January 2025
36AQI
28th January 2025
39AQI
29th January 2025
32AQI
30th January 2025
45AQI
31st January 2025
58AQI
1st February 2025
69AQI
2nd February 2025
53AQI
3rd February 2025
57AQI
4th February 2025
41AQI
5th February 2025
40AQI
6th February 2025
34AQI
7th February 2025
38AQI
8th February 2025
32AQI
9th February 2025
34AQI
10th February 2025
33AQI
11th February 2025
37AQI
12th February 2025
40AQI
13th February 2025
33AQI
14th February 2025
41AQI
15th February 2025
31AQI
16th February 2025
54AQI
17th February 2025
43AQI
18th February 2025
42AQI
19th February 2025
37AQI
20th February 2025
36AQI
21st February 2025
34AQI
22nd February 2025
38AQI
23rd February 2025
36AQI
24th February 2025
39AQI
25th February 2025
40AQI
26th February 2025
40AQI
27th February 2025
65AQI
28th February 2025
77AQI
1st March 2025
106AQI
2nd March 2025
96AQI
3rd March 2025
59AQI
4th March 2025
47AQI
5th March 2025
36AQI
6th March 2025
40AQI
7th March 2025
37AQI
8th March 2025
40AQI
9th March 2025
40AQI
10th March 2025
40AQI
11th March 2025
41AQI
12th March 2025
55AQI
13th March 2025
56AQI
14th March 2025
46AQI
15th March 2025
38AQI
16th March 2025
29AQI
17th March 2025
41AQI
18th March 2025
32AQI
19th March 2025
39AQI
20th March 2025
47AQI
21st March 2025
57AQI
22nd March 2025
64AQI
23rd March 2025
67AQI
24th March 2025
75AQI
25th March 2025
73AQI
26th March 2025
82AQI
27th March 2025
82AQI
28th March 2025
54AQI
29th March 2025
49AQI
30th March 2025
40AQI
31st March 2025
38AQI
1st April 2025
39AQI
2nd April 2025
45AQI
3rd April 2025
26AQI
4th April 2025
41AQI
5th April 2025
39AQI
6th April 2025
50AQI
7th April 2025
48AQI
8th April 2025
49AQI
9th April 2025
64AQI
10th April 2025
66AQI
11th April 2025
65AQI
12th April 2025
58AQI
13th April 2025
46AQI
14th April 2025
53AQI
15th April 2025
34AQI
16th April 2025
50AQI
17th April 2025
54AQI
18th April 2025
63AQI
19th April 2025
64AQI
20th April 2025
60AQI
21st April 2025
44AQI
22nd April 2025
51AQI
23rd April 2025
48AQI
24th April 2025
33AQI
25th April 2025
66AQI
26th April 2025
61AQI
27th April 2025
62AQI
28th April 2025
60AQI
29th April 2025
49AQI
30th April 2025
64AQI
1st May 2025
59AQI
2nd May 2025
41AQI
3rd May 2025
53AQI
4th May 2025
41AQI
5th May 2025
45AQI
6th May 2025
33AQI
7th May 2025
36AQI
8th May 2025
31AQI
9th May 2025
38AQI
10th May 2025
33AQI
11th May 2025
38AQI
12th May 2025
52AQI
13th May 2025
57AQI
14th May 2025
64AQI
15th May 2025
64AQI
16th May 2025
59AQI
17th May 2025
47AQI
18th May 2025
48AQI
19th May 2025
59AQI
20th May 2025
68AQI
21st May 2025
57AQI
22nd May 2025
41AQI
23rd May 2025
50AQI
24th May 2025
40AQI
25th May 2025
30AQI
26th May 2025
33AQI
27th May 2025
33AQI
28th May 2025
42AQI
29th May 2025
43AQI
30th May 2025
44AQI
31st May 2025
41AQI
1st June 2025
48AQI
2nd June 2025
55AQI
3rd June 2025
31AQI
4th June 2025
48AQI
5th June 2025
46AQI
6th June 2025
58AQI
7th June 2025
61AQI
8th June 2025
70AQI
9th June 2025
51AQI
10th June 2025
44AQI
11th June 2025
49AQI
12th June 2025
68AQI
13th June 2025
59AQI
14th June 2025
39AQI
15th June 2025
34AQI
16th June 2025
48AQI
17th June 2025
37AQI
18th June 2025
49AQI
19th June 2025
52AQI
20th June 2025
59AQI
21st June 2025
56AQI
22nd June 2025
55AQI
23rd June 2025
45AQI
24th June 2025
44AQI
25th June 2025
44AQI
26th June 2025
47AQI
27th June 2025
55AQI
28th June 2025
60AQI
29th June 2025
61AQI
30th June 2025
63AQI
1st July 2025
61AQI
2nd July 2025
98AQI
3rd July 2025
92AQI
4th July 2025
107AQI
5th July 2025
91AQI
6th July 2025
71AQI
7th July 2025
68AQI
8th July 2025
74AQI
9th July 2025
85AQI
10th July 2025
74AQI
11th July 2025
59AQI
12th July 2025
52AQI
13th July 2025
49AQI
14th July 2025
42AQI
15th July 2025
50AQI
16th July 2025
60AQI
17th July 2025
40AQI
18th July 2025
43AQI
19th July 2025
36AQI
20th July 2025
36AQI
21st July 2025
35AQI
22nd July 2025
44AQI
23rd July 2025
40AQI
24th July 2025
40AQI
25th July 2025
27AQI
26th July 2025
25AQI
27th July 2025
24AQI
28th July 2025
28AQI
29th July 2025
38AQI
30th July 2025
44AQI
31st July 2025
44AQI
1st August 2025
43AQI
2nd August 2025
41AQI
3rd August 2025
42AQI
4th August 2025
57AQI
5th August 2025
47AQI
6th August 2025
47AQI
7th August 2025
47AQI
8th August 2025
53AQI
9th August 2025
49AQI
10th August 2025
49AQI
11th August 2025
39AQI
12th August 2025
37AQI

43AQI

43AQI

53AQI

52AQI

46AQI

51AQI

54AQI

46AQI

No. of days

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

202549AQI

26
5
22
6
18
12
1
15
15
21
10
15
15
18
12
1
10
2
145
77
2

Highest AQI recorded in

July

54AQI

Lowest AQI recorded in

February

43AQI

202441AQI

16
15
24
5
24
7
18
11
1
23
7
20
10
27
4
26
5
25
5
30
1
25
5
30
1
288
76
1

Highest AQI recorded in

April

52AQI

Lowest AQI recorded in

October

33AQI

202344AQI

21
9
1
17
11
15
16
15
15
22
9
18
12
22
9
27
4
25
5
23
8
20
9
19
11
244
118
1

Highest AQI recorded in

March

51AQI

Lowest AQI recorded in

August

33AQI

202245AQI

25
6
16
5
14
17
15
15
13
18
18
12
13
9
1
22
6
25
6
23
7
27
4
212
105

Highest AQI recorded in

March

54AQI

Lowest AQI recorded in

October

37AQI

202147AQI

21
10
19
9
17
12
15
6
14
17
14
16
22
9
22
9
23
7
25
6
18
12
20
11
230
124

Highest AQI recorded in

May

53AQI

Lowest AQI recorded in

October

41AQI

202048AQI

8
5
10
11
11
7
16
14
26
5
14
12
5
17
2
26
5
21
9
20
10
1
169
80
6

Highest AQI recorded in

August

67AQI

Lowest AQI recorded in

September

38AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
49AQI
Least Polluted Year Recorded
2024(Avg.)
41AQI

Kojimaogawa's annual 2025 AQI (49) shows an average percentage change of 8.3% (worsened AQI) compared to previous years: 2020 (48), 2021 (47), 2022 (45), 2023 (44), 2024 (41).