Ogawa, Nasukarasuyama, 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+
August Air Quality Analysis
Ogawa, Nasukarasuyama, Tochigi, Japan
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
51AQILowest AQI recorded on
30th Aug 2024
18AQISame Day Analysis (9th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 36 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Ogawa, Nasukarasuyama, Tochigi, Japan
AQI
Day
Night
.
4 AM10th Aug 2025
6 PM
3 AM11th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM10th Aug
44AQI
Avg. Lowest Time
8PM10th Aug
28AQI
In the last 24 hours,
Ogawa's AQI reached its highest point of 44 at 12 PM during the Night, while the lowest point, 28, was recorded at 8 PM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ogawa, Nasukarasuyama, Tochigi, Japan
JulAug
12th - 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 - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025584 AMAQI
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025339 AMAQI
12th Jul 20252810 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025381 PMAQI
12th Jul 2025362 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025365 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
20°C17/24°C
13th Jul 2025554 AMAQI
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025449 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20253811 AMAQI
13th Jul 20254212 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025512 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025506 PMAQI
13th Jul 2025497 PMAQI
13th Jul 2025508 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20254912 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
23°C17/28°C
14th Jul 2025544 AMAQI
14th Jul 2025535 AMAQI
14th Jul 2025536 AMAQI
14th Jul 2025537 AMAQI
14th Jul 2025538 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025251 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025254 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025247 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025459 PMAQI
14th Jul 20254610 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025501 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025523 AMAQI
23°C20/27°C
15th Jul 2025524 AMAQI
15th Jul 2025515 AMAQI
15th Jul 2025506 AMAQI
15th Jul 2025517 AMAQI
15th Jul 2025518 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025281 PMAQI
15th Jul 2025272 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025254 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025439 PMAQI
15th Jul 20254310 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025461 AMAQI
16th Jul 2025512 AMAQI
16th Jul 2025513 AMAQI
24°C23/26°C
16th Jul 2025514 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025486 AMAQI
16th Jul 2025477 AMAQI
16th Jul 2025488 AMAQI
16th Jul 2025489 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20254912 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025382 PMAQI
16th Jul 2025363 PMAQI
16th Jul 2025294 PMAQI
16th Jul 2025265 PMAQI
16th Jul 2025316 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20253710 PMAQI
16th Jul 20254011 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025441 AMAQI
17th Jul 2025462 AMAQI
17th Jul 2025473 AMAQI
24°C22/28°C
17th Jul 2025474 AMAQI
17th Jul 2025465 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025467 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20252111 AMAQI
17th Jul 20252812 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025388 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025441 AMAQI
18th Jul 2025462 AMAQI
18th Jul 2025463 AMAQI
25°C22/30°C
18th Jul 2025464 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025436 AMAQI
18th Jul 2025437 AMAQI
18th Jul 2025428 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253312 PMAQI
18th Jul 2025351 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025353 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025316 PMAQI
18th Jul 2025297 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025453 AMAQI
25°C21/31°C
19th Jul 2025444 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025339 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025333 PMAQI
19th Jul 2025324 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025316 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025391 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025423 AMAQI
25°C21/32°C
20th Jul 2025424 AMAQI
20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025433 PMAQI
20th Jul 2025474 PMAQI
20th Jul 2025485 PMAQI
20th Jul 2025446 PMAQI
20th Jul 2025427 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025449 PMAQI
20th Jul 20254610 PMAQI
20th Jul 20254011 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
27°C22/33°C
21st Jul 2025394 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025419 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20255012 PMAQI
21st Jul 2025521 PMAQI
21st Jul 2025502 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025534 PMAQI
21st Jul 2025505 PMAQI
21st Jul 2025456 PMAQI
21st Jul 2025407 PMAQI
21st Jul 2025398 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025383 AMAQI
28°C22/35°C
22nd Jul 2025404 AMAQI
22nd Jul 2025425 AMAQI
22nd Jul 2025406 AMAQI
22nd Jul 2025407 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025469 AMAQI
22nd Jul 20255010 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20255412 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025522 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025554 PMAQI
22nd Jul 2025555 PMAQI
22nd Jul 2025556 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025348 PMAQI
22nd Jul 2025389 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025403 AMAQI
28°C22/35°C
23rd Jul 2025424 AMAQI
23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025519 AMAQI
23rd Jul 20255310 AMAQI
23rd Jul 20255311 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025475 PMAQI
23rd Jul 2025386 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025448 PMAQI
23rd Jul 2025449 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025422 AMAQI
24th Jul 2025423 AMAQI
28°C23/35°C
24th Jul 2025434 AMAQI
24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025529 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255711 AMAQI
24th Jul 20255812 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025573 PMAQI
24th Jul 2025564 PMAQI
24th Jul 2025575 PMAQI
24th Jul 2025566 PMAQI
24th Jul 2025567 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255010 PMAQI
24th Jul 20254911 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025471 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025443 AMAQI
28°C22/35°C
25th Jul 2025454 AMAQI
25th Jul 2025475 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025477 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255710 AMAQI
25th Jul 20255911 AMAQI
25th Jul 20256012 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025592 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025584 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025506 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025518 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20255111 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025471 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025463 AMAQI
27°C22/35°C
26th Jul 2025484 AMAQI
26th Jul 2025495 AMAQI
26th Jul 2025496 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025488 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20255511 AMAQI
26th Jul 20255412 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025523 PMAQI
26th Jul 2025524 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025546 PMAQI
26th Jul 2025537 PMAQI
26th Jul 2025518 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254412 AMAQI
27th Jul 2025441 AMAQI
27th Jul 2025472 AMAQI
27th Jul 2025493 AMAQI
28°C22/35°C
27th Jul 2025484 AMAQI
27th Jul 2025505 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025507 AMAQI
27th Jul 2025508 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20254510 AMAQI
27th Jul 20255011 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025521 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025524 PMAQI
27th Jul 2025545 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025487 PMAQI
27th Jul 2025508 PMAQI
27th Jul 2025499 PMAQI
27th Jul 20254810 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025441 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025483 AMAQI
29°C23/35°C
28th Jul 2025484 AMAQI
28th Jul 2025485 AMAQI
28th Jul 2025486 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025498 AMAQI
28th Jul 2025439 AMAQI
28th Jul 20254110 AMAQI
28th Jul 20254611 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025481 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025463 PMAQI
28th Jul 2025464 PMAQI
28th Jul 2025445 PMAQI
28th Jul 2025456 PMAQI
28th Jul 2025447 PMAQI
28th Jul 2025438 PMAQI
28th Jul 2025479 PMAQI
28th Jul 20254610 PMAQI
28th Jul 20254711 PMAQI
29th Jul 20254712 AMAQI
29th Jul 2025471 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025463 AMAQI
29°C24/36°C
29th Jul 2025464 AMAQI
29th Jul 2025475 AMAQI
29th Jul 2025466 AMAQI
29th Jul 2025477 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025479 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255411 AMAQI
29th Jul 20255412 PMAQI
29th Jul 2025541 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025533 PMAQI
29th Jul 2025534 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253510 PMAQI
29th Jul 20253511 PMAQI
30th Jul 20253512 AMAQI
30th Jul 2025411 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025473 AMAQI
28°C23/37°C
30th Jul 2025484 AMAQI
30th Jul 2025485 AMAQI
30th Jul 2025486 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025488 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20252712 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025362 PMAQI
30th Jul 2025363 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025368 PMAQI
30th Jul 2025429 PMAQI
30th Jul 20254310 PMAQI
30th Jul 20254411 PMAQI
31st Jul 20254412 AMAQI
31st Jul 2025441 AMAQI
31st Jul 2025452 AMAQI
31st Jul 2025453 AMAQI
27°C22/35°C
31st Jul 2025464 AMAQI
31st Jul 2025475 AMAQI
31st Jul 2025476 AMAQI
31st Jul 2025477 AMAQI
31st Jul 2025478 AMAQI
31st Jul 2025479 AMAQI
31st Jul 20254710 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025362 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025404 PMAQI
31st Jul 2025405 PMAQI
31st Jul 2025376 PMAQI
31st Jul 2025317 PMAQI
31st Jul 2025318 PMAQI
31st Jul 2025349 PMAQI
31st Jul 20253610 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20253112 AMAQI
1st Aug 2025401 AMAQI
1st Aug 2025402 AMAQI
1st Aug 2025423 AMAQI
26°C21/34°C
1st Aug 2025444 AMAQI
1st Aug 2025415 AMAQI
1st Aug 2025396 AMAQI
1st Aug 2025417 AMAQI
1st Aug 2025428 AMAQI
1st Aug 2025399 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254411 AMAQI
1st Aug 20254712 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025392 PMAQI
1st Aug 2025363 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025405 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025327 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025319 PMAQI
1st Aug 20253510 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025392 AMAQI
2nd Aug 2025413 AMAQI
25°C20/30°C
2nd Aug 2025424 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025418 AMAQI
2nd Aug 2025299 AMAQI
2nd Aug 20253110 AMAQI
2nd Aug 20253211 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025341 PMAQI
2nd Aug 2025462 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025424 PMAQI
2nd Aug 2025475 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025418 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253410 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025402 AMAQI
3rd Aug 2025403 AMAQI
29°C24/36°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025409 AMAQI
3rd Aug 20254510 AMAQI
3rd Aug 20254911 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025473 PMAQI
3rd Aug 2025524 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20253810 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20253212 AMAQI
4th Aug 2025361 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025403 AMAQI
28°C23/35°C
4th Aug 2025424 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025417 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025469 AMAQI
4th Aug 20255010 AMAQI
4th Aug 20256311 AMAQI
4th Aug 20257012 PMAQI
4th Aug 2025651 PMAQI
4th Aug 2025742 PMAQI
4th Aug 2025663 PMAQI
4th Aug 2025754 PMAQI
4th Aug 2025735 PMAQI
4th Aug 2025676 PMAQI
4th Aug 2025637 PMAQI
4th Aug 2025618 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255012 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
28°C22/35°C
5th Aug 2025484 AMAQI
5th Aug 2025495 AMAQI
5th Aug 2025466 AMAQI
5th Aug 2025477 AMAQI
5th Aug 2025508 AMAQI
5th Aug 2025509 AMAQI
5th Aug 20255710 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256712 PMAQI
5th Aug 2025521 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025473 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025565 PMAQI
5th Aug 2025526 PMAQI
5th Aug 2025447 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025449 PMAQI
5th Aug 20254410 PMAQI
5th Aug 20254011 PMAQI
6th Aug 20254212 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
29°C25/36°C
6th Aug 2025504 AMAQI
6th Aug 2025505 AMAQI
6th Aug 2025496 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025508 AMAQI
6th Aug 2025379 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025361 PMAQI
6th Aug 2025402 PMAQI
6th Aug 2025403 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025396 PMAQI
6th Aug 2025437 PMAQI
6th Aug 2025478 PMAQI
6th Aug 2025429 PMAQI
6th Aug 20254410 PMAQI
6th Aug 20254111 PMAQI
7th Aug 20254312 AMAQI
7th Aug 2025471 AMAQI
7th Aug 2025462 AMAQI
7th Aug 2025463 AMAQI
27°C22/33°C
7th Aug 2025454 AMAQI
7th Aug 2025445 AMAQI
7th Aug 2025466 AMAQI
7th Aug 2025417 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025359 AMAQI
7th Aug 20253110 AMAQI
7th Aug 20253611 AMAQI
7th Aug 20252712 PMAQI
7th Aug 2025231 PMAQI
7th Aug 2025252 PMAQI
7th Aug 2025233 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025285 PMAQI
7th Aug 2025286 PMAQI
7th Aug 2025327 PMAQI
7th Aug 2025368 PMAQI
7th Aug 2025409 PMAQI
7th Aug 20254010 PMAQI
7th Aug 20253811 PMAQI
8th Aug 20253812 AMAQI
8th Aug 2025401 AMAQI
8th Aug 2025462 AMAQI
8th Aug 2025453 AMAQI
25°C21/30°C
8th Aug 2025454 AMAQI
8th Aug 2025415 AMAQI
8th Aug 2025416 AMAQI
8th Aug 2025407 AMAQI
8th Aug 2025408 AMAQI
8th Aug 2025329 AMAQI
8th Aug 20253010 AMAQI
8th Aug 20252811 AMAQI
8th Aug 20252812 PMAQI
8th Aug 2025311 PMAQI
8th Aug 2025282 PMAQI
8th Aug 2025243 PMAQI
8th Aug 2025254 PMAQI
8th Aug 2025305 PMAQI
8th Aug 2025336 PMAQI
8th Aug 2025327 PMAQI
8th Aug 2025348 PMAQI
8th Aug 2025389 PMAQI
8th Aug 20253510 PMAQI
8th Aug 20253611 PMAQI
9th Aug 20253612 AMAQI
9th Aug 2025381 AMAQI
9th Aug 2025402 AMAQI
9th Aug 2025423 AMAQI
24°C19/32°C
9th Aug 2025404 AMAQI
9th Aug 2025405 AMAQI
9th Aug 2025386 AMAQI
9th Aug 2025407 AMAQI
9th Aug 2025398 AMAQI
9th Aug 2025319 AMAQI
9th Aug 20253010 AMAQI
9th Aug 20253011 AMAQI
9th Aug 20253012 PMAQI
9th Aug 2025271 PMAQI
9th Aug 2025282 PMAQI
9th Aug 2025303 PMAQI
9th Aug 2025334 PMAQI
9th Aug 2025335 PMAQI
9th Aug 2025326 PMAQI
9th Aug 2025337 PMAQI
9th Aug 2025348 PMAQI
9th Aug 2025389 PMAQI
9th Aug 20254210 PMAQI
9th Aug 20253911 PMAQI
10th Aug 20253812 AMAQI
10th Aug 2025371 AMAQI
10th Aug 2025402 AMAQI
10th Aug 2025413 AMAQI
24°C18/31°C
10th Aug 2025414 AMAQI
10th Aug 2025385 AMAQI
10th Aug 2025386 AMAQI
10th Aug 2025377 AMAQI
10th Aug 2025388 AMAQI
10th Aug 2025369 AMAQI
10th Aug 20253710 AMAQI
10th Aug 20254011 AMAQI
10th Aug 20254412 PMAQI
10th Aug 2025441 PMAQI
10th Aug 2025402 PMAQI
10th Aug 2025383 PMAQI
10th Aug 2025324 PMAQI
10th Aug 2025285 PMAQI
10th Aug 2025316 PMAQI
10th Aug 2025297 PMAQI
10th Aug 2025288 PMAQI
10th Aug 2025329 PMAQI
10th Aug 20253310 PMAQI
10th Aug 20253411 PMAQI
11th Aug 20253312 AMAQI
11th Aug 2025361 AMAQI
11th Aug 2025382 AMAQI
11th Aug 2025383 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
40AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 45), while the lowest AQI was between 9 AM to 10 AM (Avg. 40).
Night time
Avg. Highest Time
12 AM - 3 AM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
41AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 44), while the lowest AQI was between 7 PM to 11 PM (Avg. 41).
2025 Days Vs Air Quality
Ogawa, Nasukarasuyama, Tochigi, Japan
2025
88%
194
12%
27
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
194 DaysModerate
27 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 222 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
Ogawa, Nasukarasuyama, Tochigi, 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
28AQI
28AQI
2nd January 2025
28AQI
28AQI
3rd January 2025
25AQI
25AQI
4th January 2025
26AQI
26AQI
5th January 2025
26AQI
26AQI
6th January 2025
43AQI
43AQI
7th January 2025
26AQI
26AQI
8th January 2025
29AQI
29AQI
9th January 2025
25AQI
25AQI
10th January 2025
26AQI
26AQI
11th January 2025
24AQI
24AQI
12th January 2025
27AQI
27AQI
13th January 2025
31AQI
31AQI
14th January 2025
28AQI
28AQI
15th January 2025
29AQI
29AQI
16th January 2025
26AQI
26AQI
17th January 2025
26AQI
26AQI
18th January 2025
25AQI
25AQI
19th January 2025
42AQI
42AQI
20th January 2025
38AQI
38AQI
21st January 2025
37AQI
37AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
37AQI
37AQI
24th January 2025
36AQI
36AQI
25th January 2025
32AQI
32AQI
26th January 2025
30AQI
30AQI
27th January 2025
28AQI
28AQI
28th January 2025
34AQI
34AQI
29th January 2025
28AQI
28AQI
30th January 2025
28AQI
28AQI
31st January 2025
29AQI
29AQI
1st February 2025
28AQI
28AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
30AQI
30AQI
4th February 2025
31AQI
31AQI
5th February 2025
31AQI
31AQI
6th February 2025
29AQI
29AQI
7th February 2025
29AQI
29AQI
8th February 2025
30AQI
30AQI
9th February 2025
28AQI
28AQI
10th February 2025
29AQI
29AQI
11th February 2025
31AQI
31AQI
12th February 2025
33AQI
33AQI
13th February 2025
32AQI
32AQI
14th February 2025
30AQI
30AQI
15th February 2025
31AQI
31AQI
16th February 2025
37AQI
37AQI
17th February 2025
36AQI
36AQI
18th February 2025
32AQI
32AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
34AQI
34AQI
26th February 2025
36AQI
36AQI
27th February 2025
37AQI
37AQI
28th February 2025
46AQI
46AQI
1st March 2025
48AQI
48AQI
2nd March 2025
53AQI
53AQI
3rd March 2025
37AQI
37AQI
4th March 2025
37AQI
37AQI
5th March 2025
28AQI
28AQI
6th March 2025
31AQI
31AQI
7th March 2025
33AQI
33AQI
8th March 2025
34AQI
34AQI
9th March 2025
34AQI
34AQI
10th March 2025
37AQI
37AQI
11th March 2025
41AQI
41AQI
12th March 2025
42AQI
42AQI
13th March 2025
44AQI
44AQI
14th March 2025
33AQI
33AQI
15th March 2025
35AQI
35AQI
16th March 2025
23AQI
23AQI
17th March 2025
21AQI
21AQI
18th March 2025
23AQI
23AQI
19th March 2025
19AQI
19AQI
20th March 2025
25AQI
25AQI
21st March 2025
37AQI
37AQI
22nd March 2025
47AQI
47AQI
23rd March 2025
51AQI
51AQI
24th March 2025
50AQI
50AQI
25th March 2025
67AQI
67AQI
26th March 2025
62AQI
62AQI
27th March 2025
67AQI
67AQI
28th March 2025
50AQI
50AQI
29th March 2025
37AQI
37AQI
30th March 2025
34AQI
34AQI
31st March 2025
30AQI
30AQI
1st April 2025
26AQI
26AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
20AQI
20AQI
4th April 2025
19AQI
19AQI
5th April 2025
26AQI
26AQI
6th April 2025
25AQI
25AQI
7th April 2025
28AQI
28AQI
8th April 2025
38AQI
38AQI
9th April 2025
27AQI
27AQI
10th April 2025
43AQI
43AQI
11th April 2025
40AQI
40AQI
12th April 2025
38AQI
38AQI
13th April 2025
26AQI
26AQI
14th April 2025
25AQI
25AQI
15th April 2025
26AQI
26AQI
16th April 2025
22AQI
22AQI
17th April 2025
41AQI
41AQI
18th April 2025
51AQI
51AQI
19th April 2025
62AQI
62AQI
20th April 2025
59AQI
59AQI
21st April 2025
43AQI
43AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
29AQI
29AQI
24th April 2025
34AQI
34AQI
25th April 2025
33AQI
33AQI
26th April 2025
46AQI
46AQI
27th April 2025
46AQI
46AQI
28th April 2025
51AQI
51AQI
29th April 2025
33AQI
33AQI
30th April 2025
40AQI
40AQI
1st May 2025
40AQI
40AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
33AQI
33AQI
4th May 2025
32AQI
32AQI
5th May 2025
34AQI
34AQI
6th May 2025
29AQI
29AQI
7th May 2025
25AQI
25AQI
8th May 2025
29AQI
29AQI
9th May 2025
34AQI
34AQI
10th May 2025
20AQI
20AQI
11th May 2025
22AQI
22AQI
12th May 2025
22AQI
22AQI
13th May 2025
35AQI
35AQI
14th May 2025
38AQI
38AQI
15th May 2025
45AQI
45AQI
16th May 2025
50AQI
50AQI
17th May 2025
32AQI
32AQI
18th May 2025
41AQI
41AQI
19th May 2025
42AQI
42AQI
20th May 2025
56AQI
56AQI
21st May 2025
63AQI
63AQI
22nd May 2025
51AQI
51AQI
23rd May 2025
47AQI
47AQI
24th May 2025
41AQI
41AQI
25th May 2025
30AQI
30AQI
26th May 2025
29AQI
29AQI
27th May 2025
29AQI
29AQI
28th May 2025
27AQI
27AQI
29th May 2025
33AQI
33AQI
30th May 2025
28AQI
28AQI
31st May 2025
20AQI
20AQI
1st June 2025
23AQI
23AQI
2nd June 2025
35AQI
35AQI
3rd June 2025
36AQI
36AQI
4th June 2025
32AQI
32AQI
5th June 2025
37AQI
37AQI
6th June 2025
49AQI
49AQI
7th June 2025
53AQI
53AQI
8th June 2025
62AQI
62AQI
9th June 2025
55AQI
55AQI
10th June 2025
49AQI
49AQI
11th June 2025
40AQI
40AQI
12th June 2025
42AQI
42AQI
13th June 2025
41AQI
41AQI
14th June 2025
38AQI
38AQI
15th June 2025
29AQI
29AQI
16th June 2025
33AQI
33AQI
17th June 2025
37AQI
37AQI
18th June 2025
38AQI
38AQI
19th June 2025
41AQI
41AQI
20th June 2025
40AQI
40AQI
21st June 2025
40AQI
40AQI
22nd June 2025
44AQI
44AQI
23rd June 2025
42AQI
42AQI
24th June 2025
41AQI
41AQI
25th June 2025
37AQI
37AQI
26th June 2025
34AQI
34AQI
27th June 2025
39AQI
39AQI
28th June 2025
38AQI
38AQI
29th June 2025
41AQI
41AQI
30th June 2025
47AQI
47AQI
1st July 2025
49AQI
49AQI
2nd July 2025
50AQI
50AQI
3rd July 2025
54AQI
54AQI
4th July 2025
52AQI
52AQI
5th July 2025
55AQI
55AQI
6th July 2025
57AQI
57AQI
7th July 2025
67AQI
67AQI
8th July 2025
70AQI
70AQI
9th July 2025
72AQI
72AQI
10th July 2025
57AQI
57AQI
11th July 2025
47AQI
47AQI
12th July 2025
48AQI
48AQI
13th July 2025
51AQI
51AQI
14th July 2025
40AQI
40AQI
15th July 2025
39AQI
39AQI
16th July 2025
42AQI
42AQI
17th July 2025
39AQI
39AQI
18th July 2025
38AQI
38AQI
19th July 2025
37AQI
37AQI
20th July 2025
40AQI
40AQI
21st July 2025
42AQI
42AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
45AQI
45AQI
24th July 2025
49AQI
49AQI
25th July 2025
51AQI
51AQI
26th July 2025
50AQI
50AQI
27th July 2025
48AQI
48AQI
28th July 2025
46AQI
46AQI
29th July 2025
46AQI
46AQI
30th July 2025
40AQI
40AQI
31st July 2025
41AQI
41AQI
1st August 2025
36AQI
36AQI
2nd August 2025
38AQI
38AQI
3rd August 2025
42AQI
42AQI
4th August 2025
51AQI
51AQI
5th August 2025
49AQI
49AQI
6th August 2025
44AQI
44AQI
7th August 2025
36AQI
36AQI
8th August 2025
36AQI
36AQI
9th August 2025
36AQI
36AQI
30AQI
32AQI
39AQI
36AQI
35AQI
40AQI
49AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
31
28
26
5
25
5
28
3
27
3
21
10
8
1
194
27
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
January30AQI
202433AQI
16
1
2
11
1
29
1
21
10
31
26
3
31
29
1
31
228
16
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
March17AQI
202323AQI
3
31
34
Highest AQI recorded in
December24AQI
Lowest AQI recorded in
November15AQI
202050AQI
1
1
Highest AQI recorded in
September50AQI
Lowest AQI recorded in
September50AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2020(Avg.)
50AQILeast Polluted Year Recorded
2023(Avg.)
23AQIOgawa's annual 2025 AQI (37) shows an average percentage change of 16.8% (worsened AQI) compared to previous years: 2020 (50), 2023 (23), 2024 (33).
