Obu, Aichi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
November Air Quality Analysis
Obu, Aichi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Nov 2023
66AQILowest AQI recorded on
29th Nov 2021
14AQISame Day Analysis (16th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 16th Nov - 17th Nov 2025
Obu, Aichi, Japan
AQI
Day
Night
.
6 AM16th Nov 2025
4 PM
5 AM17th Nov 2025
Day time
Avg. Highest Time
4PM16th Nov
61AQI
Avg. Lowest Time
11AM16th Nov
46AQI
Night time
Avg. Highest Time
5PM16th Nov
62AQI
Avg. Lowest Time
8PM16th Nov
45AQI
In the last 24 hours,
Obu's AQI reached its highest point of 62 at 5 PM during the Night, while the lowest point, 45, was recorded at 8 PM during the Night between 16th Nov and 17th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Obu, Aichi, Japan
OctNov
18th - 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 - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
18th Oct 2025496 AMAQI
18th Oct 2025527 AMAQI
18th Oct 2025518 AMAQI
18th Oct 2025469 AMAQI
18th Oct 20254210 AMAQI
18th Oct 20253811 AMAQI
18th Oct 20254612 PMAQI
18th Oct 2025451 PMAQI
18th Oct 2025412 PMAQI
18th Oct 2025483 PMAQI
18th Oct 2025504 PMAQI
18th Oct 2025545 PMAQI
18th Oct 2025606 PMAQI
18th Oct 2025617 PMAQI
18th Oct 2025598 PMAQI
18th Oct 2025559 PMAQI
18th Oct 20255110 PMAQI
18th Oct 20255211 PMAQI
19th Oct 20255412 AMAQI
19th Oct 2025531 AMAQI
19th Oct 2025502 AMAQI
19th Oct 2025503 AMAQI
19th Oct 2025514 AMAQI
19th Oct 2025475 AMAQI
23°C20/26°C
19th Oct 2025416 AMAQI
19th Oct 2025457 AMAQI
19th Oct 2025418 AMAQI
19th Oct 2025409 AMAQI
19th Oct 20253910 AMAQI
19th Oct 20254011 AMAQI
19th Oct 20252812 PMAQI
19th Oct 2025251 PMAQI
19th Oct 2025252 PMAQI
19th Oct 2025263 PMAQI
19th Oct 2025274 PMAQI
19th Oct 2025235 PMAQI
19th Oct 2025246 PMAQI
19th Oct 2025317 PMAQI
19th Oct 2025388 PMAQI
19th Oct 2025369 PMAQI
19th Oct 20253410 PMAQI
19th Oct 20253511 PMAQI
20th Oct 20253512 AMAQI
20th Oct 2025301 AMAQI
20th Oct 2025252 AMAQI
20th Oct 2025243 AMAQI
20th Oct 2025244 AMAQI
20th Oct 2025255 AMAQI
22°C19/24°C
20th Oct 2025256 AMAQI
20th Oct 2025237 AMAQI
20th Oct 2025238 AMAQI
20th Oct 2025279 AMAQI
20th Oct 20252610 AMAQI
20th Oct 20251711 AMAQI
20th Oct 20251612 PMAQI
20th Oct 2025221 PMAQI
20th Oct 2025232 PMAQI
20th Oct 2025473 PMAQI
20th Oct 2025524 PMAQI
20th Oct 2025295 PMAQI
20th Oct 2025226 PMAQI
20th Oct 2025237 PMAQI
20th Oct 2025418 PMAQI
20th Oct 2025559 PMAQI
20th Oct 20255410 PMAQI
20th Oct 20253411 PMAQI
21st Oct 20252112 AMAQI
21st Oct 2025201 AMAQI
21st Oct 2025212 AMAQI
21st Oct 2025213 AMAQI
21st Oct 2025224 AMAQI
21st Oct 2025225 AMAQI
21°C17/24°C
21st Oct 2025226 AMAQI
21st Oct 2025227 AMAQI
21st Oct 2025228 AMAQI
21st Oct 2025229 AMAQI
21st Oct 20252610 AMAQI
21st Oct 20252611 AMAQI
21st Oct 20252612 PMAQI
21st Oct 2025251 PMAQI
21st Oct 2025262 PMAQI
21st Oct 2025403 PMAQI
21st Oct 2025544 PMAQI
21st Oct 2025545 PMAQI
21st Oct 2025546 PMAQI
21st Oct 2025547 PMAQI
21st Oct 2025548 PMAQI
21st Oct 2025549 PMAQI
21st Oct 20255410 PMAQI
21st Oct 20252411 PMAQI
22nd Oct 20252112 AMAQI
22nd Oct 2025221 AMAQI
22nd Oct 2025232 AMAQI
22nd Oct 2025223 AMAQI
22nd Oct 2025224 AMAQI
22nd Oct 2025205 AMAQI
18°C16/20°C
22nd Oct 2025206 AMAQI
22nd Oct 2025207 AMAQI
22nd Oct 2025198 AMAQI
22nd Oct 2025209 AMAQI
22nd Oct 20251910 AMAQI
22nd Oct 20252811 AMAQI
22nd Oct 20253012 PMAQI
22nd Oct 2025351 PMAQI
22nd Oct 2025482 PMAQI
22nd Oct 2025363 PMAQI
22nd Oct 2025324 PMAQI
22nd Oct 2025335 PMAQI
22nd Oct 2025376 PMAQI
22nd Oct 2025347 PMAQI
22nd Oct 2025398 PMAQI
22nd Oct 2025419 PMAQI
22nd Oct 20254110 PMAQI
22nd Oct 20254111 PMAQI
23rd Oct 20254612 AMAQI
23rd Oct 2025481 AMAQI
23rd Oct 2025482 AMAQI
23rd Oct 2025483 AMAQI
23rd Oct 2025404 AMAQI
23rd Oct 2025385 AMAQI
15°C13/15°C
23rd Oct 2025346 AMAQI
23rd Oct 2025317 AMAQI
23rd Oct 2025338 AMAQI
23rd Oct 2025369 AMAQI
23rd Oct 20253810 AMAQI
23rd Oct 20253511 AMAQI
23rd Oct 20253112 PMAQI
23rd Oct 2025321 PMAQI
23rd Oct 2025242 PMAQI
23rd Oct 2025283 PMAQI
23rd Oct 2025284 PMAQI
23rd Oct 2025285 PMAQI
23rd Oct 2025266 PMAQI
23rd Oct 2025257 PMAQI
23rd Oct 2025318 PMAQI
23rd Oct 2025399 PMAQI
23rd Oct 20253910 PMAQI
23rd Oct 20254111 PMAQI
24th Oct 20254312 AMAQI
24th Oct 2025441 AMAQI
24th Oct 2025432 AMAQI
24th Oct 2025453 AMAQI
24th Oct 2025484 AMAQI
24th Oct 2025375 AMAQI
18°C15/21°C
24th Oct 2025346 AMAQI
24th Oct 2025267 AMAQI
24th Oct 2025278 AMAQI
24th Oct 2025289 AMAQI
24th Oct 20252710 AMAQI
24th Oct 20252611 AMAQI
24th Oct 20253312 PMAQI
24th Oct 2025341 PMAQI
24th Oct 2025322 PMAQI
24th Oct 2025333 PMAQI
24th Oct 2025334 PMAQI
24th Oct 2025335 PMAQI
24th Oct 2025336 PMAQI
24th Oct 2025347 PMAQI
24th Oct 2025368 PMAQI
24th Oct 2025339 PMAQI
24th Oct 20254410 PMAQI
24th Oct 20254611 PMAQI
25th Oct 20254412 AMAQI
25th Oct 2025471 AMAQI
25th Oct 2025472 AMAQI
25th Oct 2025543 AMAQI
25th Oct 2025554 AMAQI
25th Oct 2025535 AMAQI
18°C16/21°C
25th Oct 2025546 AMAQI
25th Oct 2025547 AMAQI
25th Oct 2025558 AMAQI
25th Oct 2025589 AMAQI
25th Oct 20255910 AMAQI
25th Oct 20255911 AMAQI
25th Oct 20255912 PMAQI
25th Oct 2025621 PMAQI
25th Oct 2025622 PMAQI
25th Oct 2025633 PMAQI
25th Oct 2025664 PMAQI
25th Oct 2025665 PMAQI
25th Oct 2025656 PMAQI
25th Oct 2025637 PMAQI
25th Oct 2025618 PMAQI
25th Oct 2025609 PMAQI
25th Oct 20256310 PMAQI
25th Oct 20256511 PMAQI
26th Oct 20256612 AMAQI
26th Oct 2025631 AMAQI
26th Oct 2025612 AMAQI
26th Oct 2025603 AMAQI
26th Oct 2025534 AMAQI
26th Oct 2025375 AMAQI
17°C16/18°C
26th Oct 2025396 AMAQI
26th Oct 2025377 AMAQI
26th Oct 2025378 AMAQI
26th Oct 2025439 AMAQI
26th Oct 20253610 AMAQI
26th Oct 20253311 AMAQI
26th Oct 20253012 PMAQI
26th Oct 2025301 PMAQI
26th Oct 2025302 PMAQI
26th Oct 2025313 PMAQI
26th Oct 2025284 PMAQI
26th Oct 2025285 PMAQI
26th Oct 2025286 PMAQI
26th Oct 2025267 PMAQI
26th Oct 2025248 PMAQI
26th Oct 2025249 PMAQI
26th Oct 20253110 PMAQI
26th Oct 20253311 PMAQI
27th Oct 20252712 AMAQI
27th Oct 2025311 AMAQI
27th Oct 2025322 AMAQI
27th Oct 2025313 AMAQI
27th Oct 2025294 AMAQI
27th Oct 2025255 AMAQI
18°C17/19°C
27th Oct 2025306 AMAQI
27th Oct 2025327 AMAQI
27th Oct 2025368 AMAQI
27th Oct 2025379 AMAQI
27th Oct 20253710 AMAQI
27th Oct 20254311 AMAQI
27th Oct 20254812 PMAQI
27th Oct 2025521 PMAQI
27th Oct 2025552 PMAQI
27th Oct 2025573 PMAQI
27th Oct 2025564 PMAQI
27th Oct 2025555 PMAQI
27th Oct 2025556 PMAQI
27th Oct 2025577 PMAQI
27th Oct 2025578 PMAQI
27th Oct 2025569 PMAQI
27th Oct 20255710 PMAQI
27th Oct 20255811 PMAQI
28th Oct 20255812 AMAQI
28th Oct 2025581 AMAQI
28th Oct 2025592 AMAQI
28th Oct 2025583 AMAQI
28th Oct 2025584 AMAQI
28th Oct 2025585 AMAQI
18°C15/21°C
28th Oct 2025566 AMAQI
28th Oct 2025567 AMAQI
28th Oct 2025568 AMAQI
28th Oct 2025569 AMAQI
28th Oct 20255410 AMAQI
28th Oct 20255411 AMAQI
28th Oct 20255412 PMAQI
28th Oct 2025541 PMAQI
28th Oct 2025412 PMAQI
28th Oct 2025413 PMAQI
28th Oct 2025334 PMAQI
28th Oct 2025295 PMAQI
28th Oct 2025276 PMAQI
28th Oct 2025237 PMAQI
28th Oct 2025248 PMAQI
28th Oct 2025259 PMAQI
28th Oct 20252410 PMAQI
28th Oct 20252411 PMAQI
29th Oct 20252112 AMAQI
29th Oct 2025191 AMAQI
29th Oct 2025222 AMAQI
29th Oct 2025213 AMAQI
29th Oct 2025184 AMAQI
29th Oct 2025175 AMAQI
15°C13/18°C
29th Oct 2025186 AMAQI
29th Oct 2025297 AMAQI
29th Oct 2025288 AMAQI
29th Oct 2025289 AMAQI
29th Oct 20252810 AMAQI
29th Oct 20253011 AMAQI
29th Oct 20253712 PMAQI
29th Oct 2025461 PMAQI
29th Oct 2025432 PMAQI
29th Oct 2025453 PMAQI
29th Oct 2025344 PMAQI
29th Oct 2025345 PMAQI
29th Oct 2025306 PMAQI
29th Oct 2025287 PMAQI
29th Oct 2025318 PMAQI
29th Oct 2025489 PMAQI
29th Oct 20255510 PMAQI
29th Oct 20255611 PMAQI
30th Oct 20255712 AMAQI
30th Oct 2025571 AMAQI
30th Oct 2025522 AMAQI
30th Oct 2025453 AMAQI
30th Oct 2025454 AMAQI
30th Oct 2025465 AMAQI
14°C10/18°C
30th Oct 2025466 AMAQI
30th Oct 2025467 AMAQI
30th Oct 2025518 AMAQI
30th Oct 2025539 AMAQI
30th Oct 20255210 AMAQI
30th Oct 20255411 AMAQI
30th Oct 20255312 PMAQI
30th Oct 2025571 PMAQI
30th Oct 2025622 PMAQI
30th Oct 2025603 PMAQI
30th Oct 2025584 PMAQI
30th Oct 2025585 PMAQI
30th Oct 2025526 PMAQI
30th Oct 2025527 PMAQI
30th Oct 2025648 PMAQI
30th Oct 2025789 PMAQI
30th Oct 20258410 PMAQI
30th Oct 20256911 PMAQI
31st Oct 20255612 AMAQI
31st Oct 2025521 AMAQI
31st Oct 2025522 AMAQI
31st Oct 2025593 AMAQI
31st Oct 2025634 AMAQI
31st Oct 2025625 AMAQI
16°C14/19°C
31st Oct 2025616 AMAQI
31st Oct 2025617 AMAQI
31st Oct 2025608 AMAQI
31st Oct 2025579 AMAQI
31st Oct 20255710 AMAQI
31st Oct 20255611 AMAQI
31st Oct 20255112 PMAQI
31st Oct 2025461 PMAQI
31st Oct 2025422 PMAQI
31st Oct 2025433 PMAQI
31st Oct 2025464 PMAQI
31st Oct 2025445 PMAQI
31st Oct 2025446 PMAQI
31st Oct 2025337 PMAQI
31st Oct 2025308 PMAQI
31st Oct 2025269 PMAQI
31st Oct 20252710 PMAQI
31st Oct 20252211 PMAQI
1st Nov 20252012 AMAQI
1st Nov 2025191 AMAQI
1st Nov 2025142 AMAQI
1st Nov 2025163 AMAQI
1st Nov 2025124 AMAQI
1st Nov 2025115 AMAQI
17°C14/19°C
1st Nov 2025116 AMAQI
1st Nov 2025167 AMAQI
1st Nov 2025218 AMAQI
1st Nov 2025299 AMAQI
1st Nov 20252410 AMAQI
1st Nov 20252011 AMAQI
1st Nov 20252712 PMAQI
1st Nov 2025221 PMAQI
1st Nov 2025182 PMAQI
1st Nov 2025193 PMAQI
1st Nov 2025234 PMAQI
1st Nov 2025245 PMAQI
1st Nov 2025266 PMAQI
1st Nov 2025257 PMAQI
1st Nov 2025238 PMAQI
1st Nov 2025229 PMAQI
1st Nov 20252610 PMAQI
1st Nov 20253211 PMAQI
2nd Nov 20252712 AMAQI
2nd Nov 2025261 AMAQI
2nd Nov 2025262 AMAQI
2nd Nov 2025383 AMAQI
2nd Nov 2025424 AMAQI
2nd Nov 2025425 AMAQI
16°C13/20°C
2nd Nov 2025426 AMAQI
2nd Nov 2025447 AMAQI
2nd Nov 2025438 AMAQI
2nd Nov 2025419 AMAQI
2nd Nov 20254110 AMAQI
2nd Nov 20253911 AMAQI
2nd Nov 20254012 PMAQI
2nd Nov 2025401 PMAQI
2nd Nov 2025482 PMAQI
2nd Nov 2025493 PMAQI
2nd Nov 2025494 PMAQI
2nd Nov 2025485 PMAQI
2nd Nov 2025496 PMAQI
2nd Nov 2025517 PMAQI
2nd Nov 2025518 PMAQI
2nd Nov 2025489 PMAQI
2nd Nov 20254710 PMAQI
2nd Nov 20254511 PMAQI
3rd Nov 20253812 AMAQI
3rd Nov 2025361 AMAQI
3rd Nov 2025362 AMAQI
3rd Nov 2025353 AMAQI
3rd Nov 2025354 AMAQI
3rd Nov 2025325 AMAQI
17°C14/20°C
3rd Nov 2025346 AMAQI
3rd Nov 2025337 AMAQI
3rd Nov 2025348 AMAQI
3rd Nov 2025299 AMAQI
3rd Nov 20252810 AMAQI
3rd Nov 20252811 AMAQI
3rd Nov 20252612 PMAQI
3rd Nov 2025201 PMAQI
3rd Nov 2025212 PMAQI
3rd Nov 2025253 PMAQI
3rd Nov 2025244 PMAQI
3rd Nov 2025215 PMAQI
3rd Nov 2025146 PMAQI
3rd Nov 2025177 PMAQI
3rd Nov 2025198 PMAQI
3rd Nov 2025179 PMAQI
3rd Nov 20251610 PMAQI
3rd Nov 20251711 PMAQI
4th Nov 20251712 AMAQI
4th Nov 2025161 AMAQI
4th Nov 2025122 AMAQI
4th Nov 2025123 AMAQI
4th Nov 2025134 AMAQI
4th Nov 2025135 AMAQI
14°C12/17°C
4th Nov 2025166 AMAQI
4th Nov 2025207 AMAQI
4th Nov 2025198 AMAQI
4th Nov 2025199 AMAQI
4th Nov 20251810 AMAQI
4th Nov 20252311 AMAQI
4th Nov 20252712 PMAQI
4th Nov 2025251 PMAQI
4th Nov 2025312 PMAQI
4th Nov 2025343 PMAQI
4th Nov 2025384 PMAQI
4th Nov 2025415 PMAQI
4th Nov 2025436 PMAQI
4th Nov 2025417 PMAQI
4th Nov 2025468 PMAQI
4th Nov 2025439 PMAQI
4th Nov 20255410 PMAQI
4th Nov 20255511 PMAQI
5th Nov 20255412 AMAQI
5th Nov 2025531 AMAQI
5th Nov 2025542 AMAQI
5th Nov 2025383 AMAQI
5th Nov 2025344 AMAQI
5th Nov 2025345 AMAQI
13°C10/16°C
5th Nov 2025356 AMAQI
5th Nov 2025427 AMAQI
5th Nov 2025408 AMAQI
5th Nov 2025399 AMAQI
5th Nov 20253810 AMAQI
5th Nov 20253911 AMAQI
5th Nov 20254512 PMAQI
5th Nov 2025471 PMAQI
5th Nov 2025482 PMAQI
5th Nov 2025553 PMAQI
5th Nov 2025554 PMAQI
5th Nov 2025555 PMAQI
5th Nov 2025556 PMAQI
5th Nov 2025567 PMAQI
5th Nov 2025598 PMAQI
5th Nov 2025609 PMAQI
5th Nov 20256310 PMAQI
5th Nov 20256411 PMAQI
6th Nov 20256612 AMAQI
6th Nov 2025641 AMAQI
6th Nov 2025632 AMAQI
6th Nov 2025623 AMAQI
6th Nov 2025604 AMAQI
6th Nov 2025575 AMAQI
16°C14/18°C
6th Nov 2025576 AMAQI
6th Nov 2025577 AMAQI
6th Nov 2025568 AMAQI
6th Nov 2025569 AMAQI
6th Nov 20255610 AMAQI
6th Nov 20255311 AMAQI
6th Nov 20254712 PMAQI
6th Nov 2025481 PMAQI
6th Nov 2025272 PMAQI
6th Nov 2025243 PMAQI
6th Nov 2025314 PMAQI
6th Nov 2025355 PMAQI
6th Nov 2025366 PMAQI
6th Nov 2025267 PMAQI
6th Nov 2025208 PMAQI
6th Nov 2025209 PMAQI
6th Nov 20252610 PMAQI
6th Nov 20253011 PMAQI
7th Nov 20252812 AMAQI
7th Nov 2025301 AMAQI
7th Nov 2025362 AMAQI
7th Nov 2025393 AMAQI
7th Nov 2025284 AMAQI
7th Nov 2025275 AMAQI
17°C14/22°C
7th Nov 2025276 AMAQI
7th Nov 2025307 AMAQI
7th Nov 2025308 AMAQI
7th Nov 2025309 AMAQI
7th Nov 20253110 AMAQI
7th Nov 20253711 AMAQI
7th Nov 20254612 PMAQI
7th Nov 2025491 PMAQI
7th Nov 2025492 PMAQI
7th Nov 2025543 PMAQI
7th Nov 2025524 PMAQI
7th Nov 2025505 PMAQI
7th Nov 2025496 PMAQI
7th Nov 2025487 PMAQI
7th Nov 2025498 PMAQI
7th Nov 2025509 PMAQI
7th Nov 20254510 PMAQI
7th Nov 20254511 PMAQI
8th Nov 20254712 AMAQI
8th Nov 2025531 AMAQI
8th Nov 2025552 AMAQI
8th Nov 2025543 AMAQI
8th Nov 2025544 AMAQI
8th Nov 2025515 AMAQI
16°C13/21°C
8th Nov 2025506 AMAQI
8th Nov 2025467 AMAQI
8th Nov 2025528 AMAQI
8th Nov 2025559 AMAQI
8th Nov 20255510 AMAQI
8th Nov 20255611 AMAQI
8th Nov 20255612 PMAQI
8th Nov 2025551 PMAQI
8th Nov 2025542 PMAQI
8th Nov 2025543 PMAQI
8th Nov 2025564 PMAQI
8th Nov 2025575 PMAQI
8th Nov 2025586 PMAQI
8th Nov 2025587 PMAQI
8th Nov 2025578 PMAQI
8th Nov 2025579 PMAQI
8th Nov 20255710 PMAQI
8th Nov 20256311 PMAQI
9th Nov 20256012 AMAQI
9th Nov 2025591 AMAQI
9th Nov 2025562 AMAQI
9th Nov 2025563 AMAQI
9th Nov 2025574 AMAQI
9th Nov 2025635 AMAQI
15°C11/19°C
9th Nov 2025676 AMAQI
9th Nov 2025667 AMAQI
9th Nov 2025688 AMAQI
9th Nov 2025679 AMAQI
9th Nov 20256510 AMAQI
9th Nov 20256411 AMAQI
9th Nov 20255912 PMAQI
9th Nov 2025511 PMAQI
9th Nov 2025432 PMAQI
9th Nov 2025423 PMAQI
9th Nov 2025424 PMAQI
9th Nov 2025355 PMAQI
9th Nov 2025346 PMAQI
9th Nov 2025337 PMAQI
9th Nov 2025268 PMAQI
9th Nov 2025259 PMAQI
9th Nov 20252210 PMAQI
9th Nov 20252611 PMAQI
10th Nov 20253312 AMAQI
10th Nov 2025361 AMAQI
10th Nov 2025362 AMAQI
10th Nov 2025353 AMAQI
10th Nov 2025344 AMAQI
10th Nov 2025405 AMAQI
15°C14/16°C
10th Nov 2025386 AMAQI
10th Nov 2025337 AMAQI
10th Nov 2025328 AMAQI
10th Nov 2025319 AMAQI
10th Nov 20253710 AMAQI
10th Nov 20254511 AMAQI
10th Nov 20254712 PMAQI
10th Nov 2025461 PMAQI
10th Nov 2025482 PMAQI
10th Nov 2025493 PMAQI
10th Nov 2025454 PMAQI
10th Nov 2025405 PMAQI
10th Nov 2025386 PMAQI
10th Nov 2025337 PMAQI
10th Nov 2025238 PMAQI
10th Nov 2025189 PMAQI
10th Nov 20251810 PMAQI
10th Nov 20251911 PMAQI
11th Nov 20252612 AMAQI
11th Nov 2025331 AMAQI
11th Nov 2025342 AMAQI
11th Nov 2025273 AMAQI
11th Nov 2025294 AMAQI
11th Nov 2025315 AMAQI
15°C12/17°C
11th Nov 2025316 AMAQI
11th Nov 2025347 AMAQI
11th Nov 2025368 AMAQI
11th Nov 2025279 AMAQI
11th Nov 20252510 AMAQI
11th Nov 20252611 AMAQI
11th Nov 20253612 PMAQI
11th Nov 2025341 PMAQI
11th Nov 2025342 PMAQI
11th Nov 2025333 PMAQI
11th Nov 2025334 PMAQI
11th Nov 2025385 PMAQI
11th Nov 2025396 PMAQI
11th Nov 2025407 PMAQI
11th Nov 2025298 PMAQI
11th Nov 2025289 PMAQI
11th Nov 20252910 PMAQI
11th Nov 20253911 PMAQI
12th Nov 20254112 AMAQI
12th Nov 2025381 AMAQI
12th Nov 2025402 AMAQI
12th Nov 2025343 AMAQI
12th Nov 2025304 AMAQI
12th Nov 2025305 AMAQI
13°C10/16°C
12th Nov 2025366 AMAQI
12th Nov 2025377 AMAQI
12th Nov 2025438 AMAQI
12th Nov 2025329 AMAQI
12th Nov 20253010 AMAQI
12th Nov 20253711 AMAQI
12th Nov 20253912 PMAQI
12th Nov 2025381 PMAQI
12th Nov 2025362 PMAQI
12th Nov 2025373 PMAQI
12th Nov 2025384 PMAQI
12th Nov 2025365 PMAQI
12th Nov 2025436 PMAQI
12th Nov 2025427 PMAQI
12th Nov 2025428 PMAQI
12th Nov 2025449 PMAQI
12th Nov 20254810 PMAQI
12th Nov 20254711 PMAQI
13th Nov 20254712 AMAQI
13th Nov 2025541 AMAQI
13th Nov 2025552 AMAQI
13th Nov 2025523 AMAQI
13th Nov 2025524 AMAQI
13th Nov 2025515 AMAQI
13°C9/16°C
13th Nov 2025566 AMAQI
13th Nov 2025587 AMAQI
13th Nov 2025608 AMAQI
13th Nov 2025609 AMAQI
13th Nov 20255910 AMAQI
13th Nov 20255711 AMAQI
13th Nov 20255612 PMAQI
13th Nov 2025551 PMAQI
13th Nov 2025512 PMAQI
13th Nov 2025503 PMAQI
13th Nov 2025544 PMAQI
13th Nov 2025545 PMAQI
13th Nov 2025546 PMAQI
13th Nov 2025547 PMAQI
13th Nov 2025548 PMAQI
13th Nov 2025549 PMAQI
13th Nov 20255310 PMAQI
13th Nov 20255611 PMAQI
14th Nov 20255612 AMAQI
14th Nov 2025481 AMAQI
14th Nov 2025482 AMAQI
14th Nov 2025473 AMAQI
14th Nov 2025514 AMAQI
14th Nov 2025535 AMAQI
16°C13/18°C
14th Nov 2025556 AMAQI
14th Nov 2025537 AMAQI
14th Nov 2025518 AMAQI
14th Nov 2025519 AMAQI
14th Nov 20255410 AMAQI
14th Nov 20255611 AMAQI
14th Nov 20255612 PMAQI
14th Nov 2025571 PMAQI
14th Nov 2025592 PMAQI
14th Nov 2025623 PMAQI
14th Nov 2025624 PMAQI
14th Nov 2025625 PMAQI
14th Nov 2025626 PMAQI
14th Nov 2025597 PMAQI
14th Nov 2025568 PMAQI
14th Nov 2025549 PMAQI
14th Nov 20255210 PMAQI
14th Nov 20255211 PMAQI
15th Nov 20254512 AMAQI
15th Nov 2025501 AMAQI
15th Nov 2025532 AMAQI
15th Nov 2025513 AMAQI
15th Nov 2025544 AMAQI
15th Nov 2025555 AMAQI
15°C12/19°C
15th Nov 2025556 AMAQI
15th Nov 2025547 AMAQI
15th Nov 2025548 AMAQI
15th Nov 2025539 AMAQI
15th Nov 20254810 AMAQI
15th Nov 20254611 AMAQI
15th Nov 20254512 PMAQI
15th Nov 2025431 PMAQI
15th Nov 2025402 PMAQI
15th Nov 2025393 PMAQI
15th Nov 2025484 PMAQI
15th Nov 2025535 PMAQI
15th Nov 2025546 PMAQI
15th Nov 2025497 PMAQI
15th Nov 2025448 PMAQI
15th Nov 2025429 PMAQI
15th Nov 20254210 PMAQI
15th Nov 20254211 PMAQI
16th Nov 20254312 AMAQI
16th Nov 2025441 AMAQI
16th Nov 2025452 AMAQI
16th Nov 2025453 AMAQI
16th Nov 2025444 AMAQI
16th Nov 2025465 AMAQI
14°C11/19°C
16th Nov 2025486 AMAQI
16th Nov 2025497 AMAQI
16th Nov 2025498 AMAQI
16th Nov 2025469 AMAQI
16th Nov 20254710 AMAQI
16th Nov 20254611 AMAQI
16th Nov 20255112 PMAQI
16th Nov 2025551 PMAQI
16th Nov 2025572 PMAQI
16th Nov 2025553 PMAQI
16th Nov 2025614 PMAQI
16th Nov 2025625 PMAQI
16th Nov 2025616 PMAQI
16th Nov 2025567 PMAQI
16th Nov 2025458 PMAQI
16th Nov 2025479 PMAQI
16th Nov 20255710 PMAQI
16th Nov 20256111 PMAQI
17th Nov 20256212 AMAQI
17th Nov 2025611 AMAQI
17th Nov 2025622 AMAQI
17th Nov 2025613 AMAQI
17th Nov 2025584 AMAQI
17th Nov 2025555 AMAQI
15°C12/19°C
17th Nov 2025546 AMAQI
6 AM17th Nov 2025547 AMAQI
17th Nov 2025568 AMAQI
17th Nov 2025599 AMAQI
17th Nov 20256110 AMAQI
17th Nov 20255911 AMAQI
11 AM17th Nov 20256012 PMAQI
17th Nov 2025611 PMAQI
17th Nov 2025622 PMAQI
17th Nov 2025693 PMAQI
17th Nov 2025694 PMAQI
4 PM17th Nov 2025675 PMAQI
17th Nov 2025676 PMAQI
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
3 PM - 4 PM
44AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM - 2 PM
41AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 4 PM (Avg. 44), while the lowest AQI was between 6 AM to 2 PM (Avg. 41).
Night time
Avg. Highest Time
10 PM - 11 PM
44AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 5 AM
41AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 44), while the lowest AQI was between 12 AM to 5 AM (Avg. 41).
2025 Days Vs Air Quality
Obu, Aichi, Japan
2025
88%
282
12%
38
Total number of days with different AQI categories in last 321 days in 2025 (44 days remaining)
Good
282 DaysModerate
38 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 321 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
Obu, Aichi, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
27AQI
27AQI
2nd January 2025
28AQI
28AQI
3rd January 2025
29AQI
29AQI
4th January 2025
27AQI
27AQI
5th January 2025
25AQI
25AQI
6th January 2025
23AQI
23AQI
7th January 2025
26AQI
26AQI
8th January 2025
25AQI
25AQI
9th January 2025
26AQI
26AQI
10th January 2025
21AQI
21AQI
11th January 2025
23AQI
23AQI
12th January 2025
24AQI
24AQI
13th January 2025
26AQI
26AQI
14th January 2025
29AQI
29AQI
15th January 2025
30AQI
30AQI
16th January 2025
24AQI
24AQI
17th January 2025
27AQI
27AQI
18th January 2025
25AQI
25AQI
19th January 2025
28AQI
28AQI
20th January 2025
29AQI
29AQI
21st January 2025
32AQI
32AQI
22nd January 2025
31AQI
31AQI
23rd January 2025
40AQI
40AQI
24th January 2025
38AQI
38AQI
25th January 2025
38AQI
38AQI
26th January 2025
33AQI
33AQI
27th January 2025
28AQI
28AQI
28th January 2025
30AQI
30AQI
29th January 2025
30AQI
30AQI
30th January 2025
29AQI
29AQI
31st January 2025
34AQI
34AQI
1st February 2025
37AQI
37AQI
2nd February 2025
27AQI
27AQI
3rd February 2025
31AQI
31AQI
4th February 2025
29AQI
29AQI
5th February 2025
29AQI
29AQI
6th February 2025
29AQI
29AQI
7th February 2025
30AQI
30AQI
8th February 2025
27AQI
27AQI
9th February 2025
28AQI
28AQI
10th February 2025
28AQI
28AQI
11th February 2025
30AQI
30AQI
12th February 2025
25AQI
25AQI
13th February 2025
31AQI
31AQI
14th February 2025
28AQI
28AQI
15th February 2025
29AQI
29AQI
16th February 2025
30AQI
30AQI
17th February 2025
33AQI
33AQI
18th February 2025
29AQI
29AQI
19th February 2025
30AQI
30AQI
20th February 2025
28AQI
28AQI
21st February 2025
29AQI
29AQI
22nd February 2025
29AQI
29AQI
23rd February 2025
30AQI
30AQI
24th February 2025
31AQI
31AQI
25th February 2025
31AQI
31AQI
26th February 2025
36AQI
36AQI
27th February 2025
39AQI
39AQI
28th February 2025
39AQI
39AQI
1st March 2025
40AQI
40AQI
2nd March 2025
40AQI
40AQI
3rd March 2025
33AQI
33AQI
4th March 2025
27AQI
27AQI
5th March 2025
24AQI
24AQI
6th March 2025
31AQI
31AQI
7th March 2025
30AQI
30AQI
8th March 2025
31AQI
31AQI
9th March 2025
35AQI
35AQI
10th March 2025
34AQI
34AQI
11th March 2025
28AQI
28AQI
12th March 2025
27AQI
27AQI
13th March 2025
35AQI
35AQI
14th March 2025
22AQI
22AQI
15th March 2025
22AQI
22AQI
16th March 2025
17AQI
17AQI
17th March 2025
16AQI
16AQI
18th March 2025
16AQI
16AQI
19th March 2025
14AQI
14AQI
20th March 2025
20AQI
20AQI
21st March 2025
32AQI
32AQI
22nd March 2025
31AQI
31AQI
23rd March 2025
39AQI
39AQI
24th March 2025
39AQI
39AQI
25th March 2025
54AQI
54AQI
26th March 2025
78AQI
78AQI
27th March 2025
66AQI
66AQI
28th March 2025
43AQI
43AQI
29th March 2025
34AQI
34AQI
30th March 2025
33AQI
33AQI
31st March 2025
34AQI
34AQI
1st April 2025
26AQI
26AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
21AQI
21AQI
6th April 2025
16AQI
16AQI
7th April 2025
20AQI
20AQI
8th April 2025
21AQI
21AQI
9th April 2025
19AQI
19AQI
10th April 2025
30AQI
30AQI
11th April 2025
27AQI
27AQI
12th April 2025
26AQI
26AQI
13th April 2025
19AQI
19AQI
14th April 2025
24AQI
24AQI
15th April 2025
18AQI
18AQI
16th April 2025
22AQI
22AQI
17th April 2025
26AQI
26AQI
18th April 2025
33AQI
33AQI
19th April 2025
33AQI
33AQI
20th April 2025
31AQI
31AQI
21st April 2025
24AQI
24AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
16AQI
16AQI
24th April 2025
15AQI
15AQI
25th April 2025
26AQI
26AQI
26th April 2025
24AQI
24AQI
27th April 2025
27AQI
27AQI
28th April 2025
24AQI
24AQI
29th April 2025
25AQI
25AQI
30th April 2025
28AQI
28AQI
1st May 2025
24AQI
24AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
21AQI
21AQI
4th May 2025
20AQI
20AQI
5th May 2025
19AQI
19AQI
6th May 2025
17AQI
17AQI
7th May 2025
15AQI
15AQI
8th May 2025
17AQI
17AQI
9th May 2025
16AQI
16AQI
10th May 2025
15AQI
15AQI
11th May 2025
16AQI
16AQI
12th May 2025
21AQI
21AQI
13th May 2025
24AQI
24AQI
14th May 2025
27AQI
27AQI
15th May 2025
27AQI
27AQI
16th May 2025
24AQI
24AQI
17th May 2025
20AQI
20AQI
18th May 2025
27AQI
27AQI
19th May 2025
28AQI
28AQI
20th May 2025
37AQI
37AQI
21st May 2025
34AQI
34AQI
22nd May 2025
26AQI
26AQI
23rd May 2025
25AQI
25AQI
24th May 2025
24AQI
24AQI
25th May 2025
18AQI
18AQI
26th May 2025
18AQI
18AQI
27th May 2025
18AQI
18AQI
28th May 2025
17AQI
17AQI
29th May 2025
19AQI
19AQI
30th May 2025
17AQI
17AQI
31st May 2025
16AQI
16AQI
1st June 2025
16AQI
16AQI
2nd June 2025
22AQI
22AQI
3rd June 2025
16AQI
16AQI
4th June 2025
20AQI
20AQI
5th June 2025
21AQI
21AQI
6th June 2025
23AQI
23AQI
7th June 2025
28AQI
28AQI
8th June 2025
34AQI
34AQI
9th June 2025
23AQI
23AQI
10th June 2025
20AQI
20AQI
11th June 2025
19AQI
19AQI
12th June 2025
23AQI
23AQI
13th June 2025
24AQI
24AQI
14th June 2025
20AQI
20AQI
15th June 2025
19AQI
19AQI
16th June 2025
22AQI
22AQI
17th June 2025
23AQI
23AQI
18th June 2025
25AQI
25AQI
19th June 2025
29AQI
29AQI
20th June 2025
31AQI
31AQI
21st June 2025
25AQI
25AQI
22nd June 2025
17AQI
17AQI
23rd June 2025
16AQI
16AQI
24th June 2025
16AQI
16AQI
25th June 2025
17AQI
17AQI
26th June 2025
16AQI
16AQI
27th June 2025
20AQI
20AQI
28th June 2025
19AQI
19AQI
29th June 2025
21AQI
21AQI
30th June 2025
40AQI
40AQI
1st July 2025
51AQI
51AQI
2nd July 2025
73AQI
73AQI
3rd July 2025
70AQI
70AQI
4th July 2025
69AQI
69AQI
5th July 2025
79AQI
79AQI
6th July 2025
66AQI
66AQI
7th July 2025
69AQI
69AQI
8th July 2025
77AQI
77AQI
9th July 2025
84AQI
84AQI
10th July 2025
64AQI
64AQI
11th July 2025
55AQI
55AQI
12th July 2025
54AQI
54AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
49AQI
49AQI
16th July 2025
48AQI
48AQI
17th July 2025
42AQI
42AQI
18th July 2025
39AQI
39AQI
19th July 2025
34AQI
34AQI
20th July 2025
33AQI
33AQI
21st July 2025
32AQI
32AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
33AQI
33AQI
24th July 2025
34AQI
34AQI
25th July 2025
26AQI
26AQI
26th July 2025
24AQI
24AQI
27th July 2025
24AQI
24AQI
28th July 2025
31AQI
31AQI
29th July 2025
36AQI
36AQI
30th July 2025
37AQI
37AQI
31st July 2025
37AQI
37AQI
1st August 2025
44AQI
44AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
47AQI
47AQI
4th August 2025
64AQI
64AQI
5th August 2025
52AQI
52AQI
6th August 2025
52AQI
52AQI
7th August 2025
46AQI
46AQI
8th August 2025
41AQI
41AQI
9th August 2025
48AQI
48AQI
10th August 2025
39AQI
39AQI
11th August 2025
35AQI
35AQI
12th August 2025
35AQI
35AQI
13th August 2025
36AQI
36AQI
14th August 2025
37AQI
37AQI
15th August 2025
38AQI
38AQI
16th August 2025
39AQI
39AQI
17th August 2025
41AQI
41AQI
18th August 2025
44AQI
44AQI
19th August 2025
49AQI
49AQI
20th August 2025
47AQI
47AQI
21st August 2025
49AQI
49AQI
22nd August 2025
47AQI
47AQI
23rd August 2025
50AQI
50AQI
24th August 2025
55AQI
55AQI
25th August 2025
56AQI
56AQI
26th August 2025
55AQI
55AQI
27th August 2025
53AQI
53AQI
28th August 2025
49AQI
49AQI
29th August 2025
55AQI
55AQI
30th August 2025
54AQI
54AQI
31st August 2025
53AQI
53AQI
1st September 2025
42AQI
42AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
37AQI
37AQI
4th September 2025
28AQI
28AQI
5th September 2025
26AQI
26AQI
6th September 2025
27AQI
27AQI
7th September 2025
32AQI
32AQI
8th September 2025
35AQI
35AQI
9th September 2025
37AQI
37AQI
10th September 2025
33AQI
33AQI
11th September 2025
28AQI
28AQI
12th September 2025
29AQI
29AQI
13th September 2025
27AQI
27AQI
14th September 2025
34AQI
34AQI
15th September 2025
33AQI
33AQI
16th September 2025
46AQI
46AQI
17th September 2025
50AQI
50AQI
18th September 2025
41AQI
41AQI
19th September 2025
33AQI
33AQI
20th September 2025
38AQI
38AQI
21st September 2025
28AQI
28AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
34AQI
34AQI
24th September 2025
32AQI
32AQI
25th September 2025
40AQI
40AQI
26th September 2025
35AQI
35AQI
27th September 2025
34AQI
34AQI
28th September 2025
34AQI
34AQI
29th September 2025
26AQI
26AQI
30th September 2025
20AQI
20AQI
1st October 2025
32AQI
32AQI
2nd October 2025
42AQI
42AQI
3rd October 2025
54AQI
54AQI
4th October 2025
57AQI
57AQI
5th October 2025
53AQI
53AQI
6th October 2025
48AQI
48AQI
7th October 2025
45AQI
45AQI
8th October 2025
57AQI
57AQI
9th October 2025
50AQI
50AQI
10th October 2025
50AQI
50AQI
11th October 2025
52AQI
52AQI
12th October 2025
51AQI
51AQI
13th October 2025
48AQI
48AQI
14th October 2025
45AQI
45AQI
15th October 2025
49AQI
49AQI
16th October 2025
41AQI
41AQI
17th October 2025
52AQI
52AQI
18th October 2025
48AQI
48AQI
19th October 2025
39AQI
39AQI
20th October 2025
31AQI
31AQI
21st October 2025
33AQI
33AQI
22nd October 2025
29AQI
29AQI
23rd October 2025
37AQI
37AQI
24th October 2025
36AQI
36AQI
25th October 2025
57AQI
57AQI
26th October 2025
40AQI
40AQI
27th October 2025
42AQI
42AQI
28th October 2025
45AQI
45AQI
29th October 2025
31AQI
31AQI
30th October 2025
57AQI
57AQI
31st October 2025
48AQI
48AQI
1st November 2025
21AQI
21AQI
2nd November 2025
42AQI
42AQI
3rd November 2025
28AQI
28AQI
4th November 2025
28AQI
28AQI
5th November 2025
50AQI
50AQI
6th November 2025
46AQI
46AQI
7th November 2025
39AQI
39AQI
8th November 2025
54AQI
54AQI
9th November 2025
49AQI
49AQI
10th November 2025
34AQI
34AQI
11th November 2025
32AQI
32AQI
12th November 2025
39AQI
39AQI
13th November 2025
54AQI
54AQI
14th November 2025
55AQI
55AQI
15th November 2025
49AQI
49AQI
16th November 2025
47AQI
47AQI
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
29AQI
30AQI
33AQI
24AQI
22AQI
22AQI
48AQI
47AQI
33AQI
45AQI
42AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
31
28
28
3
30
31
30
18
13
21
10
30
22
9
13
3
282
38
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
May22AQI
202432AQI
31
28
1
27
4
26
4
30
1
30
30
1
31
30
31
30
31
355
11
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
December25AQI
202333AQI
30
1
28
29
2
28
2
29
2
28
2
29
2
31
30
31
25
4
30
1
348
16
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
August22AQI
202231AQI
31
21
28
3
15
3
31
30
21
2
29
31
28
2
31
298
8
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
August18AQI
202125AQI
31
28
30
1
30
31
25
5
31
31
30
31
29
1
31
358
7
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
January16AQI
202016AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
August22AQI
Lowest AQI recorded in
December14AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
34AQILeast Polluted Year Recorded
2020(Avg.)
16AQIObu's annual 2025 AQI (34) shows an average percentage change of 31.6% (worsened AQI) compared to previous years: 2020 (16), 2021 (25), 2022 (31), 2023 (33), 2024 (32).
