Masaki, Ehime, 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
Masaki, Ehime, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
73AQILowest AQI recorded on
30th Aug 2024
16AQISame Day Analysis (23rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 24th Aug - 25th Aug 2025
Masaki, Ehime, Japan
AQI
Day
Night
.
5 AM24th Aug 2025
7 PM
4 AM25th Aug 2025
Day time
Avg. Highest Time
2PM24th Aug
46AQI
Avg. Lowest Time
12PM24th Aug
34AQI
Night time
Avg. Highest Time
7PM24th Aug
46AQI
Avg. Lowest Time
9PM24th Aug
36AQI
In the last 24 hours,
Masaki's AQI reached its highest point of 46 at 2 PM during the Day, while the lowest point, 34, was recorded at 12 PM during the Day between 24th Aug and 25th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Masaki, Ehime, Japan
JulAug
26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th
Day
Night
26th Jul 2025355 AMAQI
26th Jul 2025356 AMAQI
26th Jul 2025367 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20253410 AMAQI
26th Jul 20253811 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025311 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025166 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025198 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252510 PMAQI
26th Jul 20252611 PMAQI
27th Jul 20252512 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025324 AMAQI
27°C24/31°C
27th Jul 2025325 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025269 AMAQI
27th Jul 20252310 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025201 PMAQI
27th Jul 2025192 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025214 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253112 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025312 AMAQI
28th Jul 2025313 AMAQI
28th Jul 2025304 AMAQI
27°C23/32°C
28th Jul 2025285 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20253112 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025412 PMAQI
28th Jul 2025423 PMAQI
28th Jul 2025404 PMAQI
28th Jul 2025475 PMAQI
28th Jul 2025476 PMAQI
28th Jul 2025367 PMAQI
28th Jul 2025398 PMAQI
28th Jul 2025379 PMAQI
28th Jul 20253310 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025304 AMAQI
26°C23/30°C
29th Jul 2025315 AMAQI
29th Jul 2025316 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025318 AMAQI
29th Jul 2025239 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025401 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025393 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025445 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025367 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025289 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252711 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025302 AMAQI
30th Jul 2025303 AMAQI
30th Jul 2025304 AMAQI
26°C24/30°C
30th Jul 2025315 AMAQI
30th Jul 2025306 AMAQI
30th Jul 2025307 AMAQI
30th Jul 2025308 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252410 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025342 PMAQI
30th Jul 2025403 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025355 PMAQI
30th Jul 2025336 PMAQI
30th Jul 2025337 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025309 PMAQI
30th Jul 20252710 PMAQI
30th Jul 20252411 PMAQI
31st Jul 20252412 AMAQI
31st Jul 2025251 AMAQI
31st Jul 2025272 AMAQI
31st Jul 2025303 AMAQI
31st Jul 2025294 AMAQI
26°C23/30°C
31st Jul 2025285 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20253411 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025392 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025414 PMAQI
31st Jul 2025425 PMAQI
31st Jul 2025446 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025338 PMAQI
31st Jul 2025459 PMAQI
31st Jul 20254810 PMAQI
31st Jul 20254211 PMAQI
1st Aug 20253812 AMAQI
1st Aug 2025361 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025383 AMAQI
1st Aug 2025344 AMAQI
26°C23/30°C
1st Aug 2025345 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025358 AMAQI
1st Aug 2025419 AMAQI
1st Aug 20255110 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20254612 PMAQI
1st Aug 2025511 PMAQI
1st Aug 2025502 PMAQI
1st Aug 2025523 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025525 PMAQI
1st Aug 2025536 PMAQI
1st Aug 2025527 PMAQI
1st Aug 2025458 PMAQI
1st Aug 2025459 PMAQI
1st Aug 20254210 PMAQI
1st Aug 20254111 PMAQI
2nd Aug 20254212 AMAQI
2nd Aug 2025371 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025374 AMAQI
27°C24/31°C
2nd Aug 2025415 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20254110 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20255212 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025532 PMAQI
2nd Aug 2025503 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025395 PMAQI
2nd Aug 2025456 PMAQI
2nd Aug 2025397 PMAQI
2nd Aug 2025488 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20254010 PMAQI
2nd Aug 20254811 PMAQI
3rd Aug 20254312 AMAQI
3rd Aug 2025391 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025404 AMAQI
27°C24/31°C
3rd Aug 2025425 AMAQI
3rd Aug 2025426 AMAQI
3rd Aug 2025427 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20254110 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255212 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025512 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025534 PMAQI
3rd Aug 2025445 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025519 PMAQI
3rd Aug 20254710 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20254812 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025413 AMAQI
4th Aug 2025434 AMAQI
27°C24/31°C
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256510 AMAQI
4th Aug 20256811 AMAQI
4th Aug 20257012 PMAQI
4th Aug 2025691 PMAQI
4th Aug 2025722 PMAQI
4th Aug 2025683 PMAQI
4th Aug 2025644 PMAQI
4th Aug 2025635 PMAQI
4th Aug 2025576 PMAQI
4th Aug 2025607 PMAQI
4th Aug 2025518 PMAQI
4th Aug 2025479 PMAQI
4th Aug 20254310 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255012 AMAQI
5th Aug 2025451 AMAQI
5th Aug 2025432 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025504 AMAQI
28°C24/32°C
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025429 AMAQI
5th Aug 20254410 AMAQI
5th Aug 20254411 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025471 PMAQI
5th Aug 2025442 PMAQI
5th Aug 2025403 PMAQI
5th Aug 2025504 PMAQI
5th Aug 2025395 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025397 PMAQI
5th Aug 2025458 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254610 PMAQI
5th Aug 20254511 PMAQI
6th Aug 20254212 AMAQI
6th Aug 2025461 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
6th Aug 2025494 AMAQI
28°C24/32°C
6th Aug 2025485 AMAQI
6th Aug 2025496 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025498 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20253610 AMAQI
6th Aug 20253411 AMAQI
6th Aug 20253712 PMAQI
6th Aug 2025431 PMAQI
6th Aug 2025392 PMAQI
6th Aug 2025343 PMAQI
6th Aug 2025364 PMAQI
6th Aug 2025365 PMAQI
6th Aug 2025456 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025468 PMAQI
6th Aug 2025459 PMAQI
6th Aug 20254410 PMAQI
6th Aug 20254211 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
7th Aug 2025464 AMAQI
28°C25/32°C
7th Aug 2025475 AMAQI
7th Aug 2025466 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025419 AMAQI
7th Aug 20253710 AMAQI
7th Aug 20254311 AMAQI
7th Aug 20254112 PMAQI
7th Aug 2025491 PMAQI
7th Aug 2025462 PMAQI
7th Aug 2025383 PMAQI
7th Aug 2025424 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025577 PMAQI
7th Aug 2025538 PMAQI
7th Aug 2025509 PMAQI
7th Aug 20255110 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025491 AMAQI
8th Aug 2025482 AMAQI
8th Aug 2025483 AMAQI
8th Aug 2025484 AMAQI
26°C24/28°C
8th Aug 2025475 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025477 AMAQI
8th Aug 2025478 AMAQI
8th Aug 2025409 AMAQI
8th Aug 20253810 AMAQI
8th Aug 20255011 AMAQI
8th Aug 20255712 PMAQI
8th Aug 2025551 PMAQI
8th Aug 2025542 PMAQI
8th Aug 2025543 PMAQI
8th Aug 2025544 PMAQI
8th Aug 2025545 PMAQI
8th Aug 2025536 PMAQI
8th Aug 2025497 PMAQI
8th Aug 2025508 PMAQI
8th Aug 2025489 PMAQI
8th Aug 20254510 PMAQI
8th Aug 20254511 PMAQI
9th Aug 20254412 AMAQI
9th Aug 2025461 AMAQI
9th Aug 2025492 AMAQI
9th Aug 2025483 AMAQI
9th Aug 2025494 AMAQI
26°C23/29°C
9th Aug 2025495 AMAQI
9th Aug 2025496 AMAQI
9th Aug 2025497 AMAQI
9th Aug 2025498 AMAQI
9th Aug 2025369 AMAQI
9th Aug 20253410 AMAQI
9th Aug 20253511 AMAQI
9th Aug 20254212 PMAQI
9th Aug 2025421 PMAQI
9th Aug 2025392 PMAQI
9th Aug 2025343 PMAQI
9th Aug 2025284 PMAQI
9th Aug 2025265 PMAQI
9th Aug 2025246 PMAQI
9th Aug 2025207 PMAQI
9th Aug 2025258 PMAQI
9th Aug 2025349 PMAQI
9th Aug 20253410 PMAQI
9th Aug 20253511 PMAQI
10th Aug 20253512 AMAQI
10th Aug 2025401 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025483 AMAQI
10th Aug 2025484 AMAQI
24°C23/25°C
10th Aug 2025465 AMAQI
10th Aug 2025466 AMAQI
10th Aug 2025467 AMAQI
10th Aug 2025468 AMAQI
10th Aug 2025469 AMAQI
10th Aug 20255010 AMAQI
10th Aug 20255011 AMAQI
10th Aug 20254512 PMAQI
10th Aug 2025511 PMAQI
10th Aug 2025662 PMAQI
10th Aug 2025663 PMAQI
10th Aug 2025624 PMAQI
10th Aug 2025525 PMAQI
10th Aug 2025436 PMAQI
10th Aug 2025367 PMAQI
10th Aug 2025408 PMAQI
10th Aug 2025389 PMAQI
10th Aug 20253110 PMAQI
10th Aug 20253111 PMAQI
11th Aug 20253012 AMAQI
11th Aug 2025341 AMAQI
11th Aug 2025382 AMAQI
11th Aug 2025413 AMAQI
11th Aug 2025464 AMAQI
24°C24/25°C
11th Aug 2025485 AMAQI
11th Aug 2025476 AMAQI
11th Aug 2025487 AMAQI
11th Aug 2025488 AMAQI
11th Aug 2025289 AMAQI
11th Aug 20252810 AMAQI
11th Aug 20254011 AMAQI
11th Aug 20253612 PMAQI
11th Aug 2025311 PMAQI
11th Aug 2025352 PMAQI
11th Aug 2025243 PMAQI
11th Aug 2025194 PMAQI
11th Aug 2025225 PMAQI
11th Aug 2025296 PMAQI
11th Aug 2025227 PMAQI
11th Aug 2025288 PMAQI
11th Aug 2025299 PMAQI
11th Aug 20252910 PMAQI
11th Aug 20253011 PMAQI
12th Aug 20253012 AMAQI
12th Aug 2025371 AMAQI
12th Aug 2025412 AMAQI
12th Aug 2025403 AMAQI
12th Aug 2025364 AMAQI
25°C24/26°C
12th Aug 2025355 AMAQI
12th Aug 2025356 AMAQI
12th Aug 2025347 AMAQI
12th Aug 2025368 AMAQI
12th Aug 2025239 AMAQI
12th Aug 20251610 AMAQI
12th Aug 20253311 AMAQI
12th Aug 20253012 PMAQI
12th Aug 2025221 PMAQI
12th Aug 2025262 PMAQI
12th Aug 2025243 PMAQI
12th Aug 2025324 PMAQI
12th Aug 2025265 PMAQI
12th Aug 2025306 PMAQI
12th Aug 2025307 PMAQI
12th Aug 2025378 PMAQI
12th Aug 2025349 PMAQI
12th Aug 20253010 PMAQI
12th Aug 20253111 PMAQI
13th Aug 20253012 AMAQI
13th Aug 2025331 AMAQI
13th Aug 2025382 AMAQI
13th Aug 2025373 AMAQI
13th Aug 2025364 AMAQI
25°C24/27°C
13th Aug 2025335 AMAQI
13th Aug 2025346 AMAQI
13th Aug 2025347 AMAQI
13th Aug 2025338 AMAQI
13th Aug 2025319 AMAQI
13th Aug 20253410 AMAQI
13th Aug 20254211 AMAQI
13th Aug 20254812 PMAQI
13th Aug 2025451 PMAQI
13th Aug 2025482 PMAQI
13th Aug 2025473 PMAQI
13th Aug 2025534 PMAQI
13th Aug 2025525 PMAQI
13th Aug 2025486 PMAQI
13th Aug 2025517 PMAQI
13th Aug 2025348 PMAQI
13th Aug 2025409 PMAQI
13th Aug 20253610 PMAQI
13th Aug 20253911 PMAQI
14th Aug 20254212 AMAQI
14th Aug 2025321 AMAQI
14th Aug 2025352 AMAQI
14th Aug 2025363 AMAQI
14th Aug 2025364 AMAQI
27°C24/29°C
14th Aug 2025385 AMAQI
14th Aug 2025366 AMAQI
14th Aug 2025377 AMAQI
14th Aug 2025368 AMAQI
14th Aug 2025439 AMAQI
14th Aug 20255610 AMAQI
14th Aug 20255211 AMAQI
14th Aug 20254512 PMAQI
14th Aug 2025511 PMAQI
14th Aug 2025542 PMAQI
14th Aug 2025503 PMAQI
14th Aug 2025534 PMAQI
14th Aug 2025485 PMAQI
14th Aug 2025516 PMAQI
14th Aug 2025537 PMAQI
14th Aug 2025498 PMAQI
14th Aug 2025469 PMAQI
14th Aug 20254810 PMAQI
14th Aug 20254911 PMAQI
15th Aug 20254712 AMAQI
15th Aug 2025361 AMAQI
15th Aug 2025362 AMAQI
15th Aug 2025363 AMAQI
15th Aug 2025394 AMAQI
27°C25/30°C
15th Aug 2025405 AMAQI
15th Aug 2025396 AMAQI
15th Aug 2025387 AMAQI
15th Aug 2025398 AMAQI
15th Aug 2025419 AMAQI
15th Aug 20254710 AMAQI
15th Aug 20253711 AMAQI
15th Aug 20254512 PMAQI
15th Aug 2025511 PMAQI
15th Aug 2025572 PMAQI
15th Aug 2025463 PMAQI
15th Aug 2025564 PMAQI
15th Aug 2025505 PMAQI
15th Aug 2025466 PMAQI
15th Aug 2025487 PMAQI
15th Aug 2025448 PMAQI
15th Aug 2025409 PMAQI
15th Aug 20253610 PMAQI
15th Aug 20253611 PMAQI
16th Aug 20254112 AMAQI
16th Aug 2025401 AMAQI
16th Aug 2025392 AMAQI
16th Aug 2025403 AMAQI
16th Aug 2025404 AMAQI
27°C25/30°C
16th Aug 2025405 AMAQI
16th Aug 2025406 AMAQI
16th Aug 2025407 AMAQI
16th Aug 2025408 AMAQI
16th Aug 2025369 AMAQI
16th Aug 20253510 AMAQI
16th Aug 20253711 AMAQI
16th Aug 20254612 PMAQI
16th Aug 2025451 PMAQI
16th Aug 2025402 PMAQI
16th Aug 2025443 PMAQI
16th Aug 2025474 PMAQI
16th Aug 2025455 PMAQI
16th Aug 2025466 PMAQI
16th Aug 2025357 PMAQI
16th Aug 2025398 PMAQI
16th Aug 2025359 PMAQI
16th Aug 20253610 PMAQI
16th Aug 20253711 PMAQI
17th Aug 20253612 AMAQI
17th Aug 2025371 AMAQI
17th Aug 2025392 AMAQI
17th Aug 2025393 AMAQI
17th Aug 2025384 AMAQI
27°C25/30°C
17th Aug 2025395 AMAQI
17th Aug 2025396 AMAQI
17th Aug 2025387 AMAQI
17th Aug 2025398 AMAQI
17th Aug 2025399 AMAQI
17th Aug 20254510 AMAQI
17th Aug 20254711 AMAQI
17th Aug 20254612 PMAQI
17th Aug 2025461 PMAQI
17th Aug 2025422 PMAQI
17th Aug 2025453 PMAQI
17th Aug 2025364 PMAQI
17th Aug 2025345 PMAQI
17th Aug 2025336 PMAQI
17th Aug 2025307 PMAQI
17th Aug 2025328 PMAQI
17th Aug 2025339 PMAQI
17th Aug 20253610 PMAQI
17th Aug 20253611 PMAQI
18th Aug 20253612 AMAQI
18th Aug 2025381 AMAQI
18th Aug 2025382 AMAQI
18th Aug 2025383 AMAQI
18th Aug 2025394 AMAQI
27°C25/30°C
18th Aug 2025405 AMAQI
18th Aug 2025416 AMAQI
18th Aug 2025417 AMAQI
18th Aug 2025408 AMAQI
18th Aug 2025309 AMAQI
18th Aug 20253610 AMAQI
18th Aug 20254711 AMAQI
18th Aug 20253612 PMAQI
18th Aug 2025501 PMAQI
18th Aug 2025462 PMAQI
18th Aug 2025453 PMAQI
18th Aug 2025534 PMAQI
18th Aug 2025545 PMAQI
18th Aug 2025566 PMAQI
18th Aug 2025557 PMAQI
18th Aug 2025478 PMAQI
18th Aug 2025449 PMAQI
18th Aug 20254410 PMAQI
18th Aug 20254111 PMAQI
19th Aug 20254812 AMAQI
19th Aug 2025401 AMAQI
19th Aug 2025412 AMAQI
19th Aug 2025393 AMAQI
19th Aug 2025414 AMAQI
27°C25/29°C
19th Aug 2025415 AMAQI
19th Aug 2025416 AMAQI
19th Aug 2025417 AMAQI
19th Aug 2025428 AMAQI
19th Aug 2025499 AMAQI
19th Aug 20255410 AMAQI
19th Aug 20254311 AMAQI
19th Aug 20255412 PMAQI
19th Aug 2025601 PMAQI
19th Aug 2025582 PMAQI
19th Aug 2025533 PMAQI
19th Aug 2025584 PMAQI
19th Aug 2025565 PMAQI
19th Aug 2025566 PMAQI
19th Aug 2025567 PMAQI
19th Aug 2025598 PMAQI
19th Aug 2025519 PMAQI
19th Aug 20255610 PMAQI
19th Aug 20255511 PMAQI
20th Aug 20255212 AMAQI
20th Aug 2025461 AMAQI
20th Aug 2025412 AMAQI
20th Aug 2025423 AMAQI
20th Aug 2025454 AMAQI
27°C25/30°C
20th Aug 2025445 AMAQI
20th Aug 2025456 AMAQI
20th Aug 2025477 AMAQI
20th Aug 2025468 AMAQI
20th Aug 2025499 AMAQI
20th Aug 20254910 AMAQI
20th Aug 20255111 AMAQI
20th Aug 20255612 PMAQI
20th Aug 2025441 PMAQI
20th Aug 2025492 PMAQI
20th Aug 2025423 PMAQI
20th Aug 2025534 PMAQI
20th Aug 2025405 PMAQI
20th Aug 2025416 PMAQI
20th Aug 2025367 PMAQI
20th Aug 2025438 PMAQI
20th Aug 2025439 PMAQI
20th Aug 20254410 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20254112 AMAQI
21st Aug 2025471 AMAQI
21st Aug 2025482 AMAQI
21st Aug 2025483 AMAQI
21st Aug 2025494 AMAQI
27°C25/30°C
21st Aug 2025505 AMAQI
21st Aug 2025506 AMAQI
21st Aug 2025497 AMAQI
21st Aug 2025488 AMAQI
21st Aug 2025269 AMAQI
21st Aug 20252610 AMAQI
21st Aug 20252311 AMAQI
21st Aug 20253612 PMAQI
21st Aug 2025421 PMAQI
21st Aug 2025482 PMAQI
21st Aug 2025423 PMAQI
21st Aug 2025424 PMAQI
21st Aug 2025415 PMAQI
21st Aug 2025396 PMAQI
21st Aug 2025397 PMAQI
21st Aug 2025418 PMAQI
21st Aug 2025439 PMAQI
21st Aug 20254210 PMAQI
21st Aug 20253911 PMAQI
22nd Aug 20254212 AMAQI
22nd Aug 2025461 AMAQI
22nd Aug 2025492 AMAQI
22nd Aug 2025483 AMAQI
22nd Aug 2025464 AMAQI
27°C24/31°C
22nd Aug 2025455 AMAQI
22nd Aug 2025456 AMAQI
22nd Aug 2025457 AMAQI
22nd Aug 2025448 AMAQI
22nd Aug 2025359 AMAQI
22nd Aug 20252410 AMAQI
22nd Aug 20253311 AMAQI
22nd Aug 20253012 PMAQI
22nd Aug 2025311 PMAQI
22nd Aug 2025432 PMAQI
22nd Aug 2025343 PMAQI
22nd Aug 2025384 PMAQI
22nd Aug 2025475 PMAQI
22nd Aug 2025466 PMAQI
22nd Aug 2025477 PMAQI
22nd Aug 2025368 PMAQI
22nd Aug 2025489 PMAQI
22nd Aug 20254110 PMAQI
22nd Aug 20254211 PMAQI
23rd Aug 20254112 AMAQI
23rd Aug 2025421 AMAQI
23rd Aug 2025472 AMAQI
23rd Aug 2025473 AMAQI
23rd Aug 2025444 AMAQI
27°C23/31°C
23rd Aug 2025455 AMAQI
23rd Aug 2025446 AMAQI
23rd Aug 2025447 AMAQI
23rd Aug 2025448 AMAQI
23rd Aug 2025409 AMAQI
23rd Aug 20254310 AMAQI
23rd Aug 20254211 AMAQI
23rd Aug 20254312 PMAQI
23rd Aug 2025381 PMAQI
23rd Aug 2025382 PMAQI
23rd Aug 2025453 PMAQI
23rd Aug 2025424 PMAQI
23rd Aug 2025385 PMAQI
23rd Aug 2025456 PMAQI
23rd Aug 2025497 PMAQI
23rd Aug 2025508 PMAQI
23rd Aug 2025499 PMAQI
23rd Aug 20255010 PMAQI
23rd Aug 20254911 PMAQI
24th Aug 20254412 AMAQI
24th Aug 2025451 AMAQI
24th Aug 2025442 AMAQI
24th Aug 2025453 AMAQI
24th Aug 2025464 AMAQI
27°C25/30°C
24th Aug 2025445 AMAQI
24th Aug 2025446 AMAQI
24th Aug 2025447 AMAQI
24th Aug 2025448 AMAQI
24th Aug 2025379 AMAQI
24th Aug 20253810 AMAQI
24th Aug 20253911 AMAQI
24th Aug 20253412 PMAQI
24th Aug 2025371 PMAQI
24th Aug 2025462 PMAQI
24th Aug 2025443 PMAQI
24th Aug 2025444 PMAQI
24th Aug 2025405 PMAQI
24th Aug 2025426 PMAQI
24th Aug 2025467 PMAQI
24th Aug 2025398 PMAQI
24th Aug 2025369 PMAQI
24th Aug 20254010 PMAQI
24th Aug 20254011 PMAQI
25th Aug 20254012 AMAQI
25th Aug 2025441 AMAQI
25th Aug 2025442 AMAQI
25th Aug 2025453 AMAQI
25th Aug 2025444 AMAQI
28°C26/30°C
25th Aug 2025455 AMAQI
5 AM25th Aug 2025466 AMAQI
25th Aug 2025467 AMAQI
25th Aug 2025448 AMAQI
25th Aug 2025419 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
2 PM
45AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
9 AM - 10 AM
38AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 45), while the lowest AQI was between 9 AM to 10 AM (Avg. 38).
Night time
Avg. Highest Time
2 AM - 11 PM
40AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 1 AM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 1 AM (Avg. 39).
2025 Days Vs Air Quality
Masaki, Ehime, Japan
2025
70%
164
30%
71
Total number of days with different AQI categories in last 237 days in 2025 (128 days remaining)
Good
164 DaysModerate
71 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 237 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
Masaki, Ehime, 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
33AQI
33AQI
2nd January 2025
39AQI
39AQI
3rd January 2025
34AQI
34AQI
4th January 2025
30AQI
30AQI
5th January 2025
29AQI
29AQI
6th January 2025
46AQI
46AQI
7th January 2025
31AQI
31AQI
8th January 2025
35AQI
35AQI
9th January 2025
29AQI
29AQI
10th January 2025
27AQI
27AQI
11th January 2025
29AQI
29AQI
12th January 2025
29AQI
29AQI
13th January 2025
43AQI
43AQI
14th January 2025
48AQI
48AQI
15th January 2025
47AQI
47AQI
16th January 2025
38AQI
38AQI
17th January 2025
40AQI
40AQI
18th January 2025
32AQI
32AQI
19th January 2025
43AQI
43AQI
20th January 2025
40AQI
40AQI
21st January 2025
53AQI
53AQI
22nd January 2025
61AQI
61AQI
23rd January 2025
62AQI
62AQI
24th January 2025
80AQI
80AQI
25th January 2025
45AQI
45AQI
26th January 2025
45AQI
45AQI
27th January 2025
35AQI
35AQI
28th January 2025
37AQI
37AQI
29th January 2025
31AQI
31AQI
30th January 2025
43AQI
43AQI
31st January 2025
52AQI
52AQI
1st February 2025
56AQI
56AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
52AQI
52AQI
4th February 2025
35AQI
35AQI
5th February 2025
40AQI
40AQI
6th February 2025
31AQI
31AQI
7th February 2025
38AQI
38AQI
8th February 2025
31AQI
31AQI
9th February 2025
32AQI
32AQI
10th February 2025
31AQI
31AQI
11th February 2025
42AQI
42AQI
12th February 2025
41AQI
41AQI
13th February 2025
35AQI
35AQI
14th February 2025
36AQI
36AQI
15th February 2025
31AQI
31AQI
16th February 2025
38AQI
38AQI
17th February 2025
43AQI
43AQI
18th February 2025
34AQI
34AQI
19th February 2025
38AQI
38AQI
20th February 2025
31AQI
31AQI
21st February 2025
35AQI
35AQI
22nd February 2025
41AQI
41AQI
23rd February 2025
36AQI
36AQI
24th February 2025
41AQI
41AQI
25th February 2025
36AQI
36AQI
26th February 2025
46AQI
46AQI
27th February 2025
72AQI
72AQI
28th February 2025
83AQI
83AQI
1st March 2025
92AQI
92AQI
2nd March 2025
74AQI
74AQI
3rd March 2025
49AQI
49AQI
4th March 2025
46AQI
46AQI
5th March 2025
39AQI
39AQI
6th March 2025
37AQI
37AQI
7th March 2025
34AQI
34AQI
8th March 2025
42AQI
42AQI
9th March 2025
41AQI
41AQI
10th March 2025
43AQI
43AQI
11th March 2025
49AQI
49AQI
12th March 2025
51AQI
51AQI
13th March 2025
56AQI
56AQI
14th March 2025
51AQI
51AQI
15th March 2025
40AQI
40AQI
16th March 2025
28AQI
28AQI
17th March 2025
45AQI
45AQI
18th March 2025
34AQI
34AQI
19th March 2025
41AQI
41AQI
20th March 2025
49AQI
49AQI
21st March 2025
58AQI
58AQI
22nd March 2025
64AQI
64AQI
23rd March 2025
68AQI
68AQI
24th March 2025
61AQI
61AQI
25th March 2025
70AQI
70AQI
26th March 2025
69AQI
69AQI
27th March 2025
60AQI
60AQI
28th March 2025
59AQI
59AQI
29th March 2025
47AQI
47AQI
30th March 2025
45AQI
45AQI
31st March 2025
41AQI
41AQI
1st April 2025
45AQI
45AQI
2nd April 2025
34AQI
34AQI
3rd April 2025
29AQI
29AQI
4th April 2025
32AQI
32AQI
5th April 2025
42AQI
42AQI
6th April 2025
46AQI
46AQI
7th April 2025
44AQI
44AQI
8th April 2025
40AQI
40AQI
9th April 2025
56AQI
56AQI
10th April 2025
54AQI
54AQI
11th April 2025
58AQI
58AQI
12th April 2025
60AQI
60AQI
13th April 2025
50AQI
50AQI
14th April 2025
46AQI
46AQI
15th April 2025
32AQI
32AQI
16th April 2025
48AQI
48AQI
17th April 2025
48AQI
48AQI
18th April 2025
59AQI
59AQI
19th April 2025
57AQI
57AQI
20th April 2025
46AQI
46AQI
21st April 2025
47AQI
47AQI
22nd April 2025
50AQI
50AQI
23rd April 2025
36AQI
36AQI
24th April 2025
35AQI
35AQI
25th April 2025
57AQI
57AQI
26th April 2025
56AQI
56AQI
27th April 2025
54AQI
54AQI
28th April 2025
43AQI
43AQI
29th April 2025
44AQI
44AQI
30th April 2025
50AQI
50AQI
1st May 2025
48AQI
48AQI
2nd May 2025
41AQI
41AQI
3rd May 2025
45AQI
45AQI
4th May 2025
39AQI
39AQI
5th May 2025
43AQI
43AQI
6th May 2025
30AQI
30AQI
7th May 2025
34AQI
34AQI
8th May 2025
40AQI
40AQI
9th May 2025
38AQI
38AQI
10th May 2025
35AQI
35AQI
11th May 2025
37AQI
37AQI
12th May 2025
49AQI
49AQI
13th May 2025
53AQI
53AQI
14th May 2025
58AQI
58AQI
15th May 2025
57AQI
57AQI
16th May 2025
59AQI
59AQI
17th May 2025
47AQI
47AQI
18th May 2025
52AQI
52AQI
19th May 2025
59AQI
59AQI
20th May 2025
61AQI
61AQI
21st May 2025
57AQI
57AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
52AQI
52AQI
24th May 2025
37AQI
37AQI
25th May 2025
29AQI
29AQI
26th May 2025
34AQI
34AQI
27th May 2025
40AQI
40AQI
28th May 2025
39AQI
39AQI
29th May 2025
47AQI
47AQI
30th May 2025
47AQI
47AQI
31st May 2025
41AQI
41AQI
1st June 2025
46AQI
46AQI
2nd June 2025
52AQI
52AQI
3rd June 2025
31AQI
31AQI
4th June 2025
46AQI
46AQI
5th June 2025
44AQI
44AQI
6th June 2025
52AQI
52AQI
7th June 2025
56AQI
56AQI
8th June 2025
61AQI
61AQI
9th June 2025
50AQI
50AQI
10th June 2025
36AQI
36AQI
11th June 2025
40AQI
40AQI
12th June 2025
49AQI
49AQI
13th June 2025
52AQI
52AQI
14th June 2025
39AQI
39AQI
15th June 2025
32AQI
32AQI
16th June 2025
36AQI
36AQI
17th June 2025
31AQI
31AQI
18th June 2025
43AQI
43AQI
19th June 2025
43AQI
43AQI
20th June 2025
49AQI
49AQI
21st June 2025
56AQI
56AQI
22nd June 2025
66AQI
66AQI
23rd June 2025
57AQI
57AQI
24th June 2025
53AQI
53AQI
25th June 2025
52AQI
52AQI
26th June 2025
50AQI
50AQI
27th June 2025
52AQI
52AQI
28th June 2025
56AQI
56AQI
29th June 2025
54AQI
54AQI
30th June 2025
55AQI
55AQI
1st July 2025
56AQI
56AQI
2nd July 2025
72AQI
72AQI
3rd July 2025
88AQI
88AQI
4th July 2025
93AQI
93AQI
5th July 2025
84AQI
84AQI
6th July 2025
69AQI
69AQI
7th July 2025
65AQI
65AQI
8th July 2025
68AQI
68AQI
9th July 2025
72AQI
72AQI
10th July 2025
78AQI
78AQI
11th July 2025
71AQI
71AQI
12th July 2025
63AQI
63AQI
13th July 2025
56AQI
56AQI
14th July 2025
47AQI
47AQI
15th July 2025
56AQI
56AQI
16th July 2025
58AQI
58AQI
17th July 2025
51AQI
51AQI
18th July 2025
43AQI
43AQI
19th July 2025
43AQI
43AQI
20th July 2025
42AQI
42AQI
21st July 2025
36AQI
36AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
33AQI
33AQI
24th July 2025
40AQI
40AQI
25th July 2025
33AQI
33AQI
26th July 2025
28AQI
28AQI
27th July 2025
27AQI
27AQI
28th July 2025
34AQI
34AQI
29th July 2025
32AQI
32AQI
30th July 2025
30AQI
30AQI
31st July 2025
34AQI
34AQI
1st August 2025
43AQI
43AQI
2nd August 2025
43AQI
43AQI
3rd August 2025
45AQI
45AQI
4th August 2025
53AQI
53AQI
5th August 2025
46AQI
46AQI
6th August 2025
43AQI
43AQI
7th August 2025
48AQI
48AQI
8th August 2025
49AQI
49AQI
9th August 2025
38AQI
38AQI
10th August 2025
45AQI
45AQI
11th August 2025
34AQI
34AQI
12th August 2025
32AQI
32AQI
13th August 2025
40AQI
40AQI
14th August 2025
44AQI
44AQI
15th August 2025
42AQI
42AQI
16th August 2025
40AQI
40AQI
17th August 2025
38AQI
38AQI
18th August 2025
43AQI
43AQI
19th August 2025
49AQI
49AQI
20th August 2025
45AQI
45AQI
21st August 2025
42AQI
42AQI
22nd August 2025
42AQI
42AQI
23rd August 2025
44AQI
44AQI
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
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
41AQI
41AQI
51AQI
47AQI
45AQI
48AQI
53AQI
43AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202546AQI
26
5
24
4
18
13
21
9
22
9
16
14
15
16
22
1
164
71
Highest AQI recorded in
July53AQI
Lowest AQI recorded in
January41AQI
202442AQI
27
4
22
7
22
9
9
20
1
19
12
24
6
29
2
18
13
23
7
29
2
24
6
31
277
88
1
Highest AQI recorded in
April58AQI
Lowest AQI recorded in
December32AQI
202348AQI
25
5
1
24
4
12
19
10
20
18
13
6
23
1
14
17
23
8
18
12
19
12
20
9
20
11
209
153
2
Highest AQI recorded in
June59AQI
Lowest AQI recorded in
February42AQI
202246AQI
27
4
16
6
18
13
15
15
8
23
18
12
13
9
2
24
5
24
7
23
7
30
1
216
104
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
January38AQI
202141AQI
25
6
20
8
21
8
19
2
18
13
11
19
27
4
26
5
24
6
25
6
25
5
28
3
269
85
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
January35AQI
202041AQI
8
5
16
5
14
4
18
12
26
5
15
15
1
16
3
29
2
27
3
28
3
197
57
1
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
December32AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
48AQILeast Polluted Year Recorded
2020(Avg.)
41AQIMasaki's annual 2025 AQI (46) shows an average percentage change of 6.2% (worsened AQI) compared to previous years: 2020 (41), 2021 (41), 2022 (46), 2023 (48), 2024 (42).
