Oiwacho, Toyohashi, 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
Oiwacho, Toyohashi, Aichi, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Nov 2024
60AQILowest AQI recorded on
29th Nov 2021
17AQISame Day Analysis (10th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Nov - 11th Nov 2025
Oiwacho, Toyohashi, Aichi, Japan
AQI
Day
Night
.
6 AM10th Nov 2025
5 PM
5 AM11th Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM10th Nov
52AQI
Avg. Lowest Time
3AM11th Nov
22AQI
In the last 24 hours,
Oiwacho's AQI reached its highest point of 52 at 3 PM during the Night, while the lowest point, 22, was recorded at 3 AM during the Night between 10th Nov and 11th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Oiwacho, Toyohashi, Aichi, Japan
OctNov
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 Oct 2025286 AMAQI
12th Oct 2025367 AMAQI
12th Oct 2025318 AMAQI
12th Oct 2025369 AMAQI
12th Oct 20252810 AMAQI
12th Oct 20254211 AMAQI
12th Oct 20255112 PMAQI
12th Oct 2025501 PMAQI
12th Oct 2025482 PMAQI
12th Oct 2025483 PMAQI
12th Oct 2025524 PMAQI
12th Oct 2025565 PMAQI
12th Oct 2025516 PMAQI
12th Oct 2025437 PMAQI
12th Oct 2025468 PMAQI
12th Oct 2025589 PMAQI
12th Oct 20258610 PMAQI
12th Oct 20259011 PMAQI
13th Oct 20257812 AMAQI
13th Oct 2025711 AMAQI
13th Oct 2025682 AMAQI
13th Oct 2025513 AMAQI
13th Oct 2025464 AMAQI
13th Oct 2025445 AMAQI
24°C21/26°C
13th Oct 2025436 AMAQI
13th Oct 2025427 AMAQI
13th Oct 2025408 AMAQI
13th Oct 2025399 AMAQI
13th Oct 20253610 AMAQI
13th Oct 20254211 AMAQI
13th Oct 20253912 PMAQI
13th Oct 2025381 PMAQI
13th Oct 2025412 PMAQI
13th Oct 2025513 PMAQI
13th Oct 2025524 PMAQI
13th Oct 2025445 PMAQI
13th Oct 2025436 PMAQI
13th Oct 2025447 PMAQI
13th Oct 2025458 PMAQI
13th Oct 2025449 PMAQI
13th Oct 20253310 PMAQI
13th Oct 20253511 PMAQI
14th Oct 20253512 AMAQI
14th Oct 2025351 AMAQI
14th Oct 2025392 AMAQI
14th Oct 2025453 AMAQI
14th Oct 2025474 AMAQI
14th Oct 2025525 AMAQI
25°C23/29°C
14th Oct 2025496 AMAQI
14th Oct 2025497 AMAQI
14th Oct 2025508 AMAQI
14th Oct 2025529 AMAQI
14th Oct 20254910 AMAQI
14th Oct 20254311 AMAQI
14th Oct 20254212 PMAQI
14th Oct 2025431 PMAQI
14th Oct 2025412 PMAQI
14th Oct 2025413 PMAQI
14th Oct 2025404 PMAQI
14th Oct 2025455 PMAQI
14th Oct 2025426 PMAQI
14th Oct 2025457 PMAQI
14th Oct 2025508 PMAQI
14th Oct 2025529 PMAQI
14th Oct 20255010 PMAQI
14th Oct 20254411 PMAQI
15th Oct 20254812 AMAQI
15th Oct 2025481 AMAQI
15th Oct 2025492 AMAQI
15th Oct 2025443 AMAQI
15th Oct 2025434 AMAQI
15th Oct 2025445 AMAQI
21°C18/22°C
15th Oct 2025456 AMAQI
15th Oct 2025497 AMAQI
15th Oct 2025488 AMAQI
15th Oct 2025459 AMAQI
15th Oct 20254010 AMAQI
15th Oct 20253111 AMAQI
15th Oct 20253812 PMAQI
15th Oct 2025321 PMAQI
15th Oct 2025332 PMAQI
15th Oct 2025303 PMAQI
15th Oct 2025354 PMAQI
15th Oct 2025405 PMAQI
15th Oct 2025426 PMAQI
15th Oct 2025307 PMAQI
15th Oct 2025248 PMAQI
15th Oct 2025469 PMAQI
15th Oct 20255010 PMAQI
15th Oct 20254511 PMAQI
16th Oct 20254212 AMAQI
16th Oct 2025401 AMAQI
16th Oct 2025422 AMAQI
16th Oct 2025463 AMAQI
16th Oct 2025444 AMAQI
16th Oct 2025405 AMAQI
20°C19/21°C
16th Oct 2025416 AMAQI
16th Oct 2025267 AMAQI
16th Oct 2025178 AMAQI
16th Oct 2025279 AMAQI
16th Oct 20252810 AMAQI
16th Oct 20253211 AMAQI
16th Oct 20253912 PMAQI
16th Oct 2025301 PMAQI
16th Oct 2025302 PMAQI
16th Oct 2025433 PMAQI
16th Oct 2025384 PMAQI
16th Oct 2025405 PMAQI
16th Oct 2025476 PMAQI
16th Oct 2025487 PMAQI
16th Oct 2025438 PMAQI
16th Oct 2025479 PMAQI
16th Oct 20254910 PMAQI
16th Oct 20254911 PMAQI
17th Oct 20255012 AMAQI
17th Oct 2025421 AMAQI
17th Oct 2025462 AMAQI
17th Oct 2025443 AMAQI
17th Oct 2025464 AMAQI
17th Oct 2025485 AMAQI
22°C21/25°C
17th Oct 2025466 AMAQI
17th Oct 2025487 AMAQI
17th Oct 2025408 AMAQI
17th Oct 2025349 AMAQI
17th Oct 20253610 AMAQI
17th Oct 20253911 AMAQI
17th Oct 20254012 PMAQI
17th Oct 2025441 PMAQI
17th Oct 2025522 PMAQI
17th Oct 2025543 PMAQI
17th Oct 2025504 PMAQI
17th Oct 2025515 PMAQI
17th Oct 2025476 PMAQI
17th Oct 2025507 PMAQI
17th Oct 2025508 PMAQI
17th Oct 2025469 PMAQI
17th Oct 20254710 PMAQI
17th Oct 20254911 PMAQI
18th Oct 20253812 AMAQI
18th Oct 2025401 AMAQI
18th Oct 2025422 AMAQI
18th Oct 2025413 AMAQI
18th Oct 2025404 AMAQI
18th Oct 2025475 AMAQI
22°C20/24°C
18th Oct 2025456 AMAQI
18th Oct 2025427 AMAQI
18th Oct 2025408 AMAQI
18th Oct 2025499 AMAQI
18th Oct 20255010 AMAQI
18th Oct 20254211 AMAQI
18th Oct 20254312 PMAQI
18th Oct 2025451 PMAQI
18th Oct 2025502 PMAQI
18th Oct 2025553 PMAQI
18th Oct 2025504 PMAQI
18th Oct 2025495 PMAQI
18th Oct 2025516 PMAQI
18th Oct 2025487 PMAQI
18th Oct 2025498 PMAQI
18th Oct 2025479 PMAQI
18th Oct 20254310 PMAQI
18th Oct 20255511 PMAQI
19th Oct 20255912 AMAQI
19th Oct 2025571 AMAQI
19th Oct 2025502 AMAQI
19th Oct 2025463 AMAQI
19th Oct 2025474 AMAQI
19th Oct 2025555 AMAQI
22°C19/25°C
19th Oct 2025506 AMAQI
19th Oct 2025517 AMAQI
19th Oct 2025478 AMAQI
19th Oct 2025549 AMAQI
19th Oct 20254310 AMAQI
19th Oct 20254311 AMAQI
19th Oct 20254212 PMAQI
19th Oct 2025441 PMAQI
19th Oct 2025472 PMAQI
19th Oct 2025463 PMAQI
19th Oct 2025454 PMAQI
19th Oct 2025485 PMAQI
19th Oct 2025436 PMAQI
19th Oct 2025507 PMAQI
19th Oct 2025458 PMAQI
19th Oct 2025459 PMAQI
19th Oct 20254510 PMAQI
19th Oct 20254211 PMAQI
20th Oct 20254612 AMAQI
20th Oct 2025291 AMAQI
20th Oct 2025182 AMAQI
20th Oct 2025183 AMAQI
20th Oct 2025204 AMAQI
20th Oct 2025185 AMAQI
22°C21/23°C
20th Oct 2025226 AMAQI
20th Oct 2025227 AMAQI
20th Oct 2025208 AMAQI
20th Oct 2025269 AMAQI
20th Oct 20252710 AMAQI
20th Oct 20252211 AMAQI
20th Oct 20252612 PMAQI
20th Oct 2025161 PMAQI
20th Oct 2025172 PMAQI
20th Oct 2025583 PMAQI
20th Oct 2025254 PMAQI
20th Oct 2025485 PMAQI
20th Oct 2025546 PMAQI
20th Oct 2025557 PMAQI
20th Oct 2025568 PMAQI
20th Oct 2025559 PMAQI
20th Oct 20255510 PMAQI
20th Oct 20255511 PMAQI
21st Oct 20255412 AMAQI
21st Oct 2025541 AMAQI
21st Oct 2025512 AMAQI
21st Oct 2025553 AMAQI
21st Oct 2025534 AMAQI
21st Oct 2025535 AMAQI
22°C19/25°C
21st Oct 2025526 AMAQI
21st Oct 2025537 AMAQI
21st Oct 2025528 AMAQI
21st Oct 2025539 AMAQI
21st Oct 20255310 AMAQI
21st Oct 20255211 AMAQI
21st Oct 20255212 PMAQI
21st Oct 2025521 PMAQI
21st Oct 2025252 PMAQI
21st Oct 2025253 PMAQI
21st Oct 2025264 PMAQI
21st Oct 2025245 PMAQI
21st Oct 2025266 PMAQI
21st Oct 2025237 PMAQI
21st Oct 2025578 PMAQI
21st Oct 2025609 PMAQI
21st Oct 20256010 PMAQI
21st Oct 20252511 PMAQI
22nd Oct 20252212 AMAQI
22nd Oct 2025301 AMAQI
22nd Oct 2025302 AMAQI
22nd Oct 2025233 AMAQI
22nd Oct 2025234 AMAQI
22nd Oct 2025145 AMAQI
18°C17/19°C
22nd Oct 2025156 AMAQI
22nd Oct 2025177 AMAQI
22nd Oct 2025268 AMAQI
22nd Oct 2025249 AMAQI
22nd Oct 20252210 AMAQI
22nd Oct 20252211 AMAQI
22nd Oct 20251812 PMAQI
22nd Oct 2025171 PMAQI
22nd Oct 2025172 PMAQI
22nd Oct 2025173 PMAQI
22nd Oct 2025154 PMAQI
22nd Oct 2025165 PMAQI
22nd Oct 2025176 PMAQI
22nd Oct 2025217 PMAQI
22nd Oct 2025208 PMAQI
22nd Oct 2025209 PMAQI
22nd Oct 20251810 PMAQI
22nd Oct 20251711 PMAQI
23rd Oct 20251712 AMAQI
23rd Oct 2025171 AMAQI
23rd Oct 2025162 AMAQI
23rd Oct 2025143 AMAQI
23rd Oct 2025154 AMAQI
23rd Oct 2025175 AMAQI
15°C14/15°C
23rd Oct 2025206 AMAQI
23rd Oct 2025187 AMAQI
23rd Oct 2025178 AMAQI
23rd Oct 2025159 AMAQI
23rd Oct 20251510 AMAQI
23rd Oct 20252211 AMAQI
23rd Oct 20252212 PMAQI
23rd Oct 2025241 PMAQI
23rd Oct 2025292 PMAQI
23rd Oct 2025263 PMAQI
23rd Oct 2025474 PMAQI
23rd Oct 2025475 PMAQI
23rd Oct 2025176 PMAQI
23rd Oct 2025327 PMAQI
23rd Oct 2025288 PMAQI
23rd Oct 2025289 PMAQI
23rd Oct 20252410 PMAQI
23rd Oct 20252311 PMAQI
24th Oct 20252612 AMAQI
24th Oct 2025271 AMAQI
24th Oct 2025402 AMAQI
24th Oct 2025283 AMAQI
24th Oct 2025284 AMAQI
24th Oct 2025285 AMAQI
17°C15/20°C
24th Oct 2025286 AMAQI
24th Oct 2025287 AMAQI
24th Oct 2025288 AMAQI
24th Oct 2025289 AMAQI
24th Oct 20252310 AMAQI
24th Oct 20252711 AMAQI
24th Oct 20252812 PMAQI
24th Oct 2025281 PMAQI
24th Oct 2025282 PMAQI
24th Oct 2025273 PMAQI
24th Oct 2025334 PMAQI
24th Oct 2025265 PMAQI
24th Oct 2025326 PMAQI
24th Oct 2025327 PMAQI
24th Oct 2025228 PMAQI
24th Oct 2025229 PMAQI
24th Oct 20252410 PMAQI
24th Oct 20254011 PMAQI
25th Oct 20254412 AMAQI
25th Oct 2025451 AMAQI
25th Oct 2025392 AMAQI
25th Oct 2025323 AMAQI
25th Oct 2025294 AMAQI
25th Oct 2025305 AMAQI
17°C16/19°C
25th Oct 2025366 AMAQI
25th Oct 2025357 AMAQI
25th Oct 2025358 AMAQI
25th Oct 2025399 AMAQI
25th Oct 20253610 AMAQI
25th Oct 20252811 AMAQI
25th Oct 20253012 PMAQI
25th Oct 2025331 PMAQI
25th Oct 2025332 PMAQI
25th Oct 2025333 PMAQI
25th Oct 2025394 PMAQI
25th Oct 2025395 PMAQI
25th Oct 2025396 PMAQI
25th Oct 2025427 PMAQI
25th Oct 2025448 PMAQI
25th Oct 2025429 PMAQI
25th Oct 20254410 PMAQI
25th Oct 20254511 PMAQI
26th Oct 20254512 AMAQI
26th Oct 2025471 AMAQI
26th Oct 2025462 AMAQI
26th Oct 2025493 AMAQI
26th Oct 2025504 AMAQI
26th Oct 2025485 AMAQI
17°C16/18°C
26th Oct 2025306 AMAQI
26th Oct 2025297 AMAQI
26th Oct 2025288 AMAQI
26th Oct 2025309 AMAQI
26th Oct 20253410 AMAQI
26th Oct 20253511 AMAQI
26th Oct 20253512 PMAQI
26th Oct 2025341 PMAQI
26th Oct 2025352 PMAQI
26th Oct 2025403 PMAQI
26th Oct 2025404 PMAQI
26th Oct 2025415 PMAQI
26th Oct 2025446 PMAQI
26th Oct 2025447 PMAQI
26th Oct 2025468 PMAQI
26th Oct 2025539 PMAQI
26th Oct 20255410 PMAQI
26th Oct 20255311 PMAQI
27th Oct 20253512 AMAQI
27th Oct 2025261 AMAQI
27th Oct 2025252 AMAQI
27th Oct 2025333 AMAQI
27th Oct 2025344 AMAQI
27th Oct 2025375 AMAQI
20°C18/22°C
27th Oct 2025346 AMAQI
27th Oct 2025337 AMAQI
27th Oct 2025328 AMAQI
27th Oct 2025309 AMAQI
27th Oct 20252810 AMAQI
27th Oct 20253111 AMAQI
27th Oct 20253712 PMAQI
27th Oct 2025331 PMAQI
27th Oct 2025342 PMAQI
27th Oct 2025353 PMAQI
27th Oct 2025514 PMAQI
27th Oct 2025535 PMAQI
27th Oct 2025576 PMAQI
27th Oct 2025597 PMAQI
27th Oct 2025558 PMAQI
27th Oct 2025559 PMAQI
27th Oct 20255510 PMAQI
27th Oct 20255611 PMAQI
28th Oct 20255612 AMAQI
28th Oct 2025561 AMAQI
28th Oct 2025572 AMAQI
28th Oct 2025583 AMAQI
28th Oct 2025614 AMAQI
28th Oct 2025615 AMAQI
18°C16/21°C
28th Oct 2025566 AMAQI
28th Oct 2025557 AMAQI
28th Oct 2025528 AMAQI
28th Oct 2025509 AMAQI
28th Oct 20255710 AMAQI
28th Oct 20255511 AMAQI
28th Oct 20254812 PMAQI
28th Oct 2025501 PMAQI
28th Oct 2025502 PMAQI
28th Oct 2025493 PMAQI
28th Oct 2025484 PMAQI
28th Oct 2025495 PMAQI
28th Oct 2025326 PMAQI
28th Oct 2025287 PMAQI
28th Oct 2025268 PMAQI
28th Oct 2025239 PMAQI
28th Oct 20252010 PMAQI
28th Oct 20251611 PMAQI
29th Oct 20251212 AMAQI
29th Oct 2025231 AMAQI
29th Oct 2025232 AMAQI
29th Oct 2025243 AMAQI
29th Oct 2025224 AMAQI
29th Oct 2025245 AMAQI
15°C13/18°C
29th Oct 2025216 AMAQI
29th Oct 2025187 AMAQI
29th Oct 2025128 AMAQI
29th Oct 2025249 AMAQI
29th Oct 20252810 AMAQI
29th Oct 20251811 AMAQI
29th Oct 20251712 PMAQI
29th Oct 2025201 PMAQI
29th Oct 2025392 PMAQI
29th Oct 2025333 PMAQI
29th Oct 2025354 PMAQI
29th Oct 2025445 PMAQI
29th Oct 2025446 PMAQI
29th Oct 2025507 PMAQI
29th Oct 2025528 PMAQI
29th Oct 2025549 PMAQI
29th Oct 20255310 PMAQI
29th Oct 20255411 PMAQI
30th Oct 20255612 AMAQI
30th Oct 2025511 AMAQI
30th Oct 2025502 AMAQI
30th Oct 2025503 AMAQI
30th Oct 2025524 AMAQI
30th Oct 2025535 AMAQI
13°C10/16°C
30th Oct 2025456 AMAQI
30th Oct 2025427 AMAQI
30th Oct 2025448 AMAQI
30th Oct 2025459 AMAQI
30th Oct 20254210 AMAQI
30th Oct 20254411 AMAQI
30th Oct 20254412 PMAQI
30th Oct 2025521 PMAQI
30th Oct 2025512 PMAQI
30th Oct 2025523 PMAQI
30th Oct 2025534 PMAQI
30th Oct 2025445 PMAQI
30th Oct 2025516 PMAQI
30th Oct 2025557 PMAQI
30th Oct 2025578 PMAQI
30th Oct 2025529 PMAQI
30th Oct 20255410 PMAQI
30th Oct 20254411 PMAQI
31st Oct 20254512 AMAQI
31st Oct 2025441 AMAQI
31st Oct 2025552 AMAQI
31st Oct 2025563 AMAQI
31st Oct 2025554 AMAQI
31st Oct 2025555 AMAQI
16°C13/19°C
31st Oct 2025556 AMAQI
31st Oct 2025517 AMAQI
31st Oct 2025508 AMAQI
31st Oct 2025509 AMAQI
31st Oct 20253610 AMAQI
31st Oct 20253411 AMAQI
31st Oct 20253912 PMAQI
31st Oct 2025391 PMAQI
31st Oct 2025412 PMAQI
31st Oct 2025423 PMAQI
31st Oct 2025424 PMAQI
31st Oct 2025425 PMAQI
31st Oct 2025446 PMAQI
31st Oct 2025447 PMAQI
31st Oct 2025318 PMAQI
31st Oct 2025299 PMAQI
31st Oct 20252410 PMAQI
31st Oct 20252411 PMAQI
1st Nov 20251612 AMAQI
1st Nov 2025141 AMAQI
1st Nov 2025182 AMAQI
1st Nov 2025223 AMAQI
1st Nov 2025184 AMAQI
1st Nov 2025175 AMAQI
17°C14/20°C
1st Nov 2025126 AMAQI
1st Nov 2025117 AMAQI
1st Nov 2025118 AMAQI
1st Nov 2025309 AMAQI
1st Nov 20252810 AMAQI
1st Nov 20252611 AMAQI
1st Nov 20251812 PMAQI
1st Nov 2025181 PMAQI
1st Nov 2025242 PMAQI
1st Nov 2025273 PMAQI
1st Nov 2025284 PMAQI
1st Nov 2025325 PMAQI
1st Nov 2025386 PMAQI
1st Nov 2025397 PMAQI
1st Nov 2025358 PMAQI
1st Nov 2025399 PMAQI
1st Nov 20254210 PMAQI
1st Nov 20253211 PMAQI
2nd Nov 20253212 AMAQI
2nd Nov 2025301 AMAQI
2nd Nov 2025272 AMAQI
2nd Nov 2025273 AMAQI
2nd Nov 2025214 AMAQI
2nd Nov 2025285 AMAQI
18°C15/20°C
2nd Nov 2025336 AMAQI
2nd Nov 2025337 AMAQI
2nd Nov 2025338 AMAQI
2nd Nov 2025459 AMAQI
2nd Nov 20253510 AMAQI
2nd Nov 20253311 AMAQI
2nd Nov 20253012 PMAQI
2nd Nov 2025291 PMAQI
2nd Nov 2025282 PMAQI
2nd Nov 2025323 PMAQI
2nd Nov 2025544 PMAQI
2nd Nov 2025545 PMAQI
2nd Nov 2025556 PMAQI
2nd Nov 2025487 PMAQI
2nd Nov 2025508 PMAQI
2nd Nov 2025519 PMAQI
2nd Nov 20255210 PMAQI
2nd Nov 20255511 PMAQI
3rd Nov 20255312 AMAQI
3rd Nov 2025551 AMAQI
3rd Nov 2025552 AMAQI
3rd Nov 2025543 AMAQI
3rd Nov 2025434 AMAQI
3rd Nov 2025445 AMAQI
17°C15/19°C
3rd Nov 2025326 AMAQI
3rd Nov 2025427 AMAQI
3rd Nov 2025468 AMAQI
3rd Nov 2025519 AMAQI
3rd Nov 20254710 AMAQI
3rd Nov 20254511 AMAQI
3rd Nov 20254012 PMAQI
3rd Nov 2025261 PMAQI
3rd Nov 2025232 PMAQI
3rd Nov 2025243 PMAQI
3rd Nov 2025174 PMAQI
3rd Nov 2025175 PMAQI
3rd Nov 2025176 PMAQI
3rd Nov 2025117 PMAQI
3rd Nov 2025118 PMAQI
3rd Nov 2025119 PMAQI
3rd Nov 20251110 PMAQI
3rd Nov 20251511 PMAQI
4th Nov 20251712 AMAQI
4th Nov 2025221 AMAQI
4th Nov 2025222 AMAQI
4th Nov 2025223 AMAQI
4th Nov 2025224 AMAQI
4th Nov 2025225 AMAQI
15°C12/17°C
4th Nov 2025146 AMAQI
4th Nov 2025117 AMAQI
4th Nov 2025118 AMAQI
4th Nov 2025129 AMAQI
4th Nov 20251110 AMAQI
4th Nov 20251111 AMAQI
4th Nov 20252912 PMAQI
4th Nov 2025291 PMAQI
4th Nov 2025282 PMAQI
4th Nov 2025243 PMAQI
4th Nov 2025224 PMAQI
4th Nov 2025225 PMAQI
4th Nov 2025226 PMAQI
4th Nov 2025227 PMAQI
4th Nov 2025228 PMAQI
4th Nov 2025189 PMAQI
4th Nov 20251710 PMAQI
4th Nov 20251711 PMAQI
5th Nov 20253012 AMAQI
5th Nov 2025311 AMAQI
5th Nov 2025192 AMAQI
5th Nov 2025183 AMAQI
5th Nov 2025174 AMAQI
5th Nov 2025275 AMAQI
14°C11/17°C
5th Nov 2025306 AMAQI
5th Nov 2025227 AMAQI
5th Nov 2025228 AMAQI
5th Nov 2025229 AMAQI
5th Nov 20252810 AMAQI
5th Nov 20252011 AMAQI
5th Nov 20252112 PMAQI
5th Nov 2025251 PMAQI
5th Nov 2025272 PMAQI
5th Nov 2025283 PMAQI
5th Nov 2025284 PMAQI
5th Nov 2025285 PMAQI
5th Nov 2025286 PMAQI
5th Nov 2025287 PMAQI
5th Nov 2025288 PMAQI
5th Nov 2025199 PMAQI
5th Nov 20251710 PMAQI
5th Nov 20252711 PMAQI
6th Nov 20252712 AMAQI
6th Nov 2025271 AMAQI
6th Nov 2025222 AMAQI
6th Nov 2025183 AMAQI
6th Nov 2025174 AMAQI
6th Nov 2025175 AMAQI
16°C14/18°C
6th Nov 2025206 AMAQI
6th Nov 2025227 AMAQI
6th Nov 2025228 AMAQI
6th Nov 2025179 AMAQI
6th Nov 20251810 AMAQI
6th Nov 20252811 AMAQI
6th Nov 20252812 PMAQI
6th Nov 2025291 PMAQI
6th Nov 2025432 PMAQI
6th Nov 2025353 PMAQI
6th Nov 2025334 PMAQI
6th Nov 2025335 PMAQI
6th Nov 2025396 PMAQI
6th Nov 2025427 PMAQI
6th Nov 2025398 PMAQI
6th Nov 2025409 PMAQI
6th Nov 20252710 PMAQI
6th Nov 20252311 PMAQI
7th Nov 20252712 AMAQI
7th Nov 2025251 AMAQI
7th Nov 2025272 AMAQI
7th Nov 2025293 AMAQI
7th Nov 2025324 AMAQI
7th Nov 2025335 AMAQI
17°C14/21°C
7th Nov 2025336 AMAQI
7th Nov 2025337 AMAQI
7th Nov 2025338 AMAQI
7th Nov 2025269 AMAQI
7th Nov 20252410 AMAQI
7th Nov 20252811 AMAQI
7th Nov 20253212 PMAQI
7th Nov 2025321 PMAQI
7th Nov 2025472 PMAQI
7th Nov 2025513 PMAQI
7th Nov 2025524 PMAQI
7th Nov 2025535 PMAQI
7th Nov 2025546 PMAQI
7th Nov 2025557 PMAQI
7th Nov 2025558 PMAQI
7th Nov 2025549 PMAQI
7th Nov 20254510 PMAQI
7th Nov 20253211 PMAQI
8th Nov 20252812 AMAQI
8th Nov 2025281 AMAQI
8th Nov 2025242 AMAQI
8th Nov 2025483 AMAQI
8th Nov 2025514 AMAQI
8th Nov 2025525 AMAQI
16°C13/21°C
8th Nov 2025506 AMAQI
8th Nov 2025457 AMAQI
8th Nov 2025508 AMAQI
8th Nov 2025469 AMAQI
8th Nov 20254410 AMAQI
8th Nov 20254011 AMAQI
8th Nov 20254012 PMAQI
8th Nov 2025511 PMAQI
8th Nov 2025522 PMAQI
8th Nov 2025543 PMAQI
8th Nov 2025544 PMAQI
8th Nov 2025515 PMAQI
8th Nov 2025506 PMAQI
8th Nov 2025507 PMAQI
8th Nov 2025508 PMAQI
8th Nov 2025509 PMAQI
8th Nov 20255010 PMAQI
8th Nov 20255111 PMAQI
9th Nov 20255012 AMAQI
9th Nov 2025511 AMAQI
9th Nov 2025532 AMAQI
9th Nov 2025533 AMAQI
9th Nov 2025524 AMAQI
9th Nov 2025525 AMAQI
15°C12/19°C
9th Nov 2025506 AMAQI
9th Nov 2025507 AMAQI
9th Nov 2025508 AMAQI
9th Nov 2025509 AMAQI
9th Nov 20255310 AMAQI
9th Nov 20255011 AMAQI
9th Nov 20255112 PMAQI
9th Nov 2025511 PMAQI
9th Nov 2025552 PMAQI
9th Nov 2025443 PMAQI
9th Nov 2025404 PMAQI
9th Nov 2025395 PMAQI
9th Nov 2025386 PMAQI
9th Nov 2025387 PMAQI
9th Nov 2025348 PMAQI
9th Nov 2025349 PMAQI
9th Nov 20253010 PMAQI
9th Nov 20253011 PMAQI
10th Nov 20252412 AMAQI
10th Nov 2025231 AMAQI
10th Nov 2025222 AMAQI
10th Nov 2025313 AMAQI
10th Nov 2025344 AMAQI
10th Nov 2025335 AMAQI
16°C15/17°C
10th Nov 2025296 AMAQI
10th Nov 2025287 AMAQI
10th Nov 2025228 AMAQI
10th Nov 2025229 AMAQI
10th Nov 20252210 AMAQI
10th Nov 20254011 AMAQI
10th Nov 20253812 PMAQI
10th Nov 2025491 PMAQI
10th Nov 2025502 PMAQI
10th Nov 2025523 PMAQI
10th Nov 2025364 PMAQI
10th Nov 2025385 PMAQI
10th Nov 2025396 PMAQI
10th Nov 2025397 PMAQI
10th Nov 2025348 PMAQI
10th Nov 2025339 PMAQI
10th Nov 20252210 PMAQI
10th Nov 20252211 PMAQI
11th Nov 20252812 AMAQI
11th Nov 2025291 AMAQI
11th Nov 2025292 AMAQI
11th Nov 2025223 AMAQI
11th Nov 2025274 AMAQI
11th Nov 2025285 AMAQI
--°C/°C
11th Nov 2025306 AMAQI
6 AM11th Nov 2025247 AMAQI
11th Nov 2025218 AMAQI
11 AM
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
3 PM - 5 PM
39AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 5 PM (Avg. 39), while the lowest AQI was between 8 AM to 8 AM (Avg. 33).
Night time
Avg. Highest Time
6 PM - 11 PM
40AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 5 AM
38AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 5 AM (Avg. 38).
2025 Days Vs Air Quality
Oiwacho, Toyohashi, Aichi, Japan
2025
90%
284
10%
30
Total number of days with different AQI categories in last 314 days in 2025 (51 days remaining)
Good
284 DaysModerate
30 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 314 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Oiwacho, Toyohashi, 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
29AQI
29AQI
2nd January 2025
30AQI
30AQI
3rd January 2025
31AQI
31AQI
4th January 2025
28AQI
28AQI
5th January 2025
28AQI
28AQI
6th January 2025
26AQI
26AQI
7th January 2025
30AQI
30AQI
8th January 2025
25AQI
25AQI
9th January 2025
28AQI
28AQI
10th January 2025
25AQI
25AQI
11th January 2025
27AQI
27AQI
12th January 2025
25AQI
25AQI
13th January 2025
29AQI
29AQI
14th January 2025
31AQI
31AQI
15th January 2025
33AQI
33AQI
16th January 2025
25AQI
25AQI
17th January 2025
29AQI
29AQI
18th January 2025
26AQI
26AQI
19th January 2025
27AQI
27AQI
20th January 2025
27AQI
27AQI
21st January 2025
30AQI
30AQI
22nd January 2025
32AQI
32AQI
23rd January 2025
39AQI
39AQI
24th January 2025
39AQI
39AQI
25th January 2025
37AQI
37AQI
26th January 2025
33AQI
33AQI
27th January 2025
27AQI
27AQI
28th January 2025
31AQI
31AQI
29th January 2025
29AQI
29AQI
30th January 2025
31AQI
31AQI
31st January 2025
34AQI
34AQI
1st February 2025
37AQI
37AQI
2nd February 2025
29AQI
29AQI
3rd February 2025
32AQI
32AQI
4th February 2025
31AQI
31AQI
5th February 2025
32AQI
32AQI
6th February 2025
31AQI
31AQI
7th February 2025
32AQI
32AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
29AQI
29AQI
13th February 2025
32AQI
32AQI
14th February 2025
31AQI
31AQI
15th February 2025
31AQI
31AQI
16th February 2025
32AQI
32AQI
17th February 2025
36AQI
36AQI
18th February 2025
32AQI
32AQI
19th February 2025
32AQI
32AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
34AQI
34AQI
25th February 2025
35AQI
35AQI
26th February 2025
39AQI
39AQI
27th February 2025
41AQI
41AQI
28th February 2025
43AQI
43AQI
1st March 2025
44AQI
44AQI
2nd March 2025
45AQI
45AQI
3rd March 2025
34AQI
34AQI
4th March 2025
35AQI
35AQI
5th March 2025
24AQI
24AQI
6th March 2025
33AQI
33AQI
7th March 2025
32AQI
32AQI
8th March 2025
32AQI
32AQI
9th March 2025
35AQI
35AQI
10th March 2025
36AQI
36AQI
11th March 2025
35AQI
35AQI
12th March 2025
32AQI
32AQI
13th March 2025
38AQI
38AQI
14th March 2025
23AQI
23AQI
15th March 2025
25AQI
25AQI
16th March 2025
17AQI
17AQI
17th March 2025
17AQI
17AQI
18th March 2025
16AQI
16AQI
19th March 2025
15AQI
15AQI
20th March 2025
21AQI
21AQI
21st March 2025
34AQI
34AQI
22nd March 2025
32AQI
32AQI
23rd March 2025
40AQI
40AQI
24th March 2025
38AQI
38AQI
25th March 2025
56AQI
56AQI
26th March 2025
82AQI
82AQI
27th March 2025
67AQI
67AQI
28th March 2025
44AQI
44AQI
29th March 2025
36AQI
36AQI
30th March 2025
36AQI
36AQI
31st March 2025
32AQI
32AQI
1st April 2025
26AQI
26AQI
2nd April 2025
26AQI
26AQI
3rd April 2025
21AQI
21AQI
4th April 2025
18AQI
18AQI
5th April 2025
22AQI
22AQI
6th April 2025
16AQI
16AQI
7th April 2025
20AQI
20AQI
8th April 2025
23AQI
23AQI
9th April 2025
20AQI
20AQI
10th April 2025
28AQI
28AQI
11th April 2025
26AQI
26AQI
12th April 2025
28AQI
28AQI
13th April 2025
21AQI
21AQI
14th April 2025
26AQI
26AQI
15th April 2025
18AQI
18AQI
16th April 2025
23AQI
23AQI
17th April 2025
31AQI
31AQI
18th April 2025
37AQI
37AQI
19th April 2025
45AQI
45AQI
20th April 2025
36AQI
36AQI
21st April 2025
30AQI
30AQI
22nd April 2025
30AQI
30AQI
23rd April 2025
23AQI
23AQI
24th April 2025
21AQI
21AQI
25th April 2025
28AQI
28AQI
26th April 2025
31AQI
31AQI
27th April 2025
29AQI
29AQI
28th April 2025
28AQI
28AQI
29th April 2025
27AQI
27AQI
30th April 2025
31AQI
31AQI
1st May 2025
29AQI
29AQI
2nd May 2025
22AQI
22AQI
3rd May 2025
27AQI
27AQI
4th May 2025
24AQI
24AQI
5th May 2025
24AQI
24AQI
6th May 2025
20AQI
20AQI
7th May 2025
20AQI
20AQI
8th May 2025
19AQI
19AQI
9th May 2025
21AQI
21AQI
10th May 2025
16AQI
16AQI
11th May 2025
18AQI
18AQI
12th May 2025
24AQI
24AQI
13th May 2025
29AQI
29AQI
14th May 2025
31AQI
31AQI
15th May 2025
33AQI
33AQI
16th May 2025
32AQI
32AQI
17th May 2025
26AQI
26AQI
18th May 2025
33AQI
33AQI
19th May 2025
34AQI
34AQI
20th May 2025
41AQI
41AQI
21st May 2025
34AQI
34AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
30AQI
30AQI
24th May 2025
27AQI
27AQI
25th May 2025
19AQI
19AQI
26th May 2025
20AQI
20AQI
27th May 2025
20AQI
20AQI
28th May 2025
19AQI
19AQI
29th May 2025
23AQI
23AQI
30th May 2025
19AQI
19AQI
31st May 2025
20AQI
20AQI
1st June 2025
16AQI
16AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
18AQI
18AQI
4th June 2025
23AQI
23AQI
5th June 2025
27AQI
27AQI
6th June 2025
29AQI
29AQI
7th June 2025
34AQI
34AQI
8th June 2025
44AQI
44AQI
9th June 2025
30AQI
30AQI
10th June 2025
21AQI
21AQI
11th June 2025
19AQI
19AQI
12th June 2025
23AQI
23AQI
13th June 2025
26AQI
26AQI
14th June 2025
22AQI
22AQI
15th June 2025
17AQI
17AQI
16th June 2025
21AQI
21AQI
17th June 2025
29AQI
29AQI
18th June 2025
29AQI
29AQI
19th June 2025
33AQI
33AQI
20th June 2025
31AQI
31AQI
21st June 2025
28AQI
28AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
20AQI
20AQI
24th June 2025
21AQI
21AQI
25th June 2025
20AQI
20AQI
26th June 2025
19AQI
19AQI
27th June 2025
24AQI
24AQI
28th June 2025
23AQI
23AQI
29th June 2025
24AQI
24AQI
30th June 2025
34AQI
34AQI
1st July 2025
39AQI
39AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
51AQI
51AQI
4th July 2025
49AQI
49AQI
5th July 2025
69AQI
69AQI
6th July 2025
62AQI
62AQI
7th July 2025
74AQI
74AQI
8th July 2025
80AQI
80AQI
9th July 2025
78AQI
78AQI
10th July 2025
59AQI
59AQI
11th July 2025
54AQI
54AQI
12th July 2025
53AQI
53AQI
13th July 2025
52AQI
52AQI
14th July 2025
45AQI
45AQI
15th July 2025
47AQI
47AQI
16th July 2025
49AQI
49AQI
17th July 2025
45AQI
45AQI
18th July 2025
41AQI
41AQI
19th July 2025
38AQI
38AQI
20th July 2025
33AQI
33AQI
21st July 2025
31AQI
31AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
28AQI
28AQI
24th July 2025
28AQI
28AQI
25th July 2025
25AQI
25AQI
26th July 2025
26AQI
26AQI
27th July 2025
25AQI
25AQI
28th July 2025
27AQI
27AQI
29th July 2025
33AQI
33AQI
30th July 2025
35AQI
35AQI
31st July 2025
36AQI
36AQI
1st August 2025
45AQI
45AQI
2nd August 2025
45AQI
45AQI
3rd August 2025
48AQI
48AQI
4th August 2025
66AQI
66AQI
5th August 2025
50AQI
50AQI
6th August 2025
54AQI
54AQI
7th August 2025
48AQI
48AQI
8th August 2025
45AQI
45AQI
9th August 2025
50AQI
50AQI
10th August 2025
47AQI
47AQI
11th August 2025
41AQI
41AQI
12th August 2025
38AQI
38AQI
13th August 2025
38AQI
38AQI
14th August 2025
37AQI
37AQI
15th August 2025
41AQI
41AQI
16th August 2025
40AQI
40AQI
17th August 2025
41AQI
41AQI
18th August 2025
44AQI
44AQI
19th August 2025
43AQI
43AQI
20th August 2025
44AQI
44AQI
21st August 2025
48AQI
48AQI
22nd August 2025
43AQI
43AQI
23rd August 2025
49AQI
49AQI
24th August 2025
57AQI
57AQI
25th August 2025
58AQI
58AQI
26th August 2025
54AQI
54AQI
27th August 2025
54AQI
54AQI
28th August 2025
51AQI
51AQI
29th August 2025
55AQI
55AQI
30th August 2025
56AQI
56AQI
31st August 2025
55AQI
55AQI
1st September 2025
39AQI
39AQI
2nd September 2025
34AQI
34AQI
3rd September 2025
38AQI
38AQI
4th September 2025
26AQI
26AQI
5th September 2025
24AQI
24AQI
6th September 2025
27AQI
27AQI
7th September 2025
31AQI
31AQI
8th September 2025
35AQI
35AQI
9th September 2025
38AQI
38AQI
10th September 2025
35AQI
35AQI
11th September 2025
30AQI
30AQI
12th September 2025
30AQI
30AQI
13th September 2025
27AQI
27AQI
14th September 2025
37AQI
37AQI
15th September 2025
41AQI
41AQI
16th September 2025
48AQI
48AQI
17th September 2025
53AQI
53AQI
18th September 2025
43AQI
43AQI
19th September 2025
36AQI
36AQI
20th September 2025
33AQI
33AQI
21st September 2025
28AQI
28AQI
22nd September 2025
31AQI
31AQI
23rd September 2025
31AQI
31AQI
24th September 2025
30AQI
30AQI
25th September 2025
37AQI
37AQI
26th September 2025
32AQI
32AQI
27th September 2025
28AQI
28AQI
28th September 2025
30AQI
30AQI
29th September 2025
27AQI
27AQI
30th September 2025
19AQI
19AQI
1st October 2025
25AQI
25AQI
2nd October 2025
46AQI
46AQI
3rd October 2025
39AQI
39AQI
4th October 2025
50AQI
50AQI
5th October 2025
42AQI
42AQI
6th October 2025
42AQI
42AQI
7th October 2025
46AQI
46AQI
8th October 2025
54AQI
54AQI
9th October 2025
56AQI
56AQI
10th October 2025
56AQI
56AQI
11th October 2025
47AQI
47AQI
12th October 2025
54AQI
54AQI
13th October 2025
52AQI
52AQI
14th October 2025
44AQI
44AQI
15th October 2025
43AQI
43AQI
16th October 2025
41AQI
41AQI
17th October 2025
47AQI
47AQI
18th October 2025
45AQI
45AQI
19th October 2025
50AQI
50AQI
20th October 2025
37AQI
37AQI
21st October 2025
47AQI
47AQI
22nd October 2025
20AQI
20AQI
23rd October 2025
22AQI
22AQI
24th October 2025
28AQI
28AQI
25th October 2025
39AQI
39AQI
26th October 2025
43AQI
43AQI
27th October 2025
41AQI
41AQI
28th October 2025
47AQI
47AQI
29th October 2025
30AQI
30AQI
30th October 2025
51AQI
51AQI
31st October 2025
43AQI
43AQI
1st November 2025
24AQI
24AQI
2nd November 2025
38AQI
38AQI
3rd November 2025
36AQI
36AQI
4th November 2025
19AQI
19AQI
5th November 2025
24AQI
24AQI
6th November 2025
28AQI
28AQI
7th November 2025
37AQI
37AQI
8th November 2025
43AQI
43AQI
9th November 2025
46AQI
46AQI
10th November 2025
29AQI
29AQI
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
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
30AQI
33AQI
35AQI
26AQI
25AQI
25AQI
45AQI
48AQI
33AQI
43AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
31
28
28
3
30
31
30
21
10
21
10
29
1
25
6
10
284
30
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
June25AQI
202431AQI
31
29
29
2
29
1
30
1
30
30
1
30
1
30
31
29
1
31
359
7
Highest AQI recorded in
April38AQI
Lowest AQI recorded in
February24AQI
202329AQI
31
28
31
30
31
30
31
31
30
31
27
31
362
Highest AQI recorded in
April37AQI
Lowest AQI recorded in
August21AQI
202230AQI
30
21
31
17
29
2
30
21
1
27
1
31
28
31
297
3
Highest AQI recorded in
May39AQI
Lowest AQI recorded in
October24AQI
202124AQI
31
28
29
2
30
29
2
25
5
30
1
31
30
31
30
29
353
10
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
January10AQI
202014AQI
13
21
18
30
30
1
30
1
19
31
27
31
250
2
Highest AQI recorded in
July22AQI
Lowest AQI recorded in
September8AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
34AQILeast Polluted Year Recorded
2020(Avg.)
14AQIOiwacho's annual 2025 AQI (34) shows an average percentage change of 45.05% (worsened AQI) compared to previous years: 2020 (14), 2021 (24), 2022 (30), 2023 (29), 2024 (31).
