Omachi, Saijo, 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
Omachi, Saijo, Ehime, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2021
71AQILowest AQI recorded on
23rd Aug 2023
10AQISame Day Analysis (11th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 38 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Omachi, Saijo, Ehime, Japan
AQI
Day
Night
.
5 AM11th Aug 2025
7 PM
4 AM12th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
6AM11th Aug
45AQI
Avg. Lowest Time
3PM11th Aug
20AQI
In the last 24 hours,
Omachi's AQI reached its highest point of 45 at 6 AM during the Night, while the lowest point, 20, was recorded at 3 PM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Omachi, Saijo, Ehime, Japan
JulAug
13th - 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 - 12th12th
Day
Night
13th Jul 2025655 AMAQI
13th Jul 2025666 AMAQI
13th Jul 2025657 AMAQI
13th Jul 2025658 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20254311 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025473 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025366 PMAQI
13th Jul 2025397 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255512 AMAQI
14th Jul 2025601 AMAQI
14th Jul 2025652 AMAQI
14th Jul 2025653 AMAQI
14th Jul 2025634 AMAQI
23°C19/27°C
14th Jul 2025625 AMAQI
14th Jul 2025626 AMAQI
14th Jul 2025617 AMAQI
14th Jul 2025628 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025231 PMAQI
14th Jul 2025222 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025275 PMAQI
14th Jul 2025256 PMAQI
14th Jul 2025207 PMAQI
14th Jul 2025298 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025612 AMAQI
15th Jul 2025613 AMAQI
15th Jul 2025604 AMAQI
22°C20/24°C
15th Jul 2025575 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20252610 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025381 PMAQI
15th Jul 2025392 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025569 PMAQI
15th Jul 20255610 PMAQI
15th Jul 20255711 PMAQI
16th Jul 20255712 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI
22°C17/27°C
16th Jul 2025555 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025569 AMAQI
16th Jul 20256110 AMAQI
16th Jul 20256511 AMAQI
16th Jul 20256612 PMAQI
16th Jul 2025621 PMAQI
16th Jul 2025602 PMAQI
16th Jul 2025603 PMAQI
16th Jul 2025624 PMAQI
16th Jul 2025655 PMAQI
16th Jul 2025666 PMAQI
16th Jul 2025617 PMAQI
16th Jul 2025598 PMAQI
16th Jul 2025579 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20256011 PMAQI
17th Jul 20255912 AMAQI
17th Jul 2025581 AMAQI
17th Jul 2025562 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025564 AMAQI
24°C19/28°C
17th Jul 2025565 AMAQI
17th Jul 2025576 AMAQI
17th Jul 2025577 AMAQI
17th Jul 2025578 AMAQI
17th Jul 2025589 AMAQI
17th Jul 20255910 AMAQI
17th Jul 20255811 AMAQI
17th Jul 20256112 PMAQI
17th Jul 2025631 PMAQI
17th Jul 2025582 PMAQI
17th Jul 2025473 PMAQI
17th Jul 2025444 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025276 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025278 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025511 AMAQI
18th Jul 2025562 AMAQI
18th Jul 2025573 AMAQI
18th Jul 2025584 AMAQI
23°C20/25°C
18th Jul 2025575 AMAQI
18th Jul 2025576 AMAQI
18th Jul 2025577 AMAQI
18th Jul 2025588 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20251710 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025378 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254510 PMAQI
18th Jul 20254611 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025491 AMAQI
19th Jul 2025552 AMAQI
19th Jul 2025553 AMAQI
19th Jul 2025544 AMAQI
23°C21/25°C
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252611 AMAQI
19th Jul 20253212 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025342 PMAQI
19th Jul 2025363 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025327 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025504 AMAQI
22°C19/26°C
20th Jul 2025485 AMAQI
20th Jul 2025496 AMAQI
20th Jul 2025487 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025409 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20252811 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025342 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025419 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025431 AMAQI
21st Jul 2025482 AMAQI
21st Jul 2025493 AMAQI
21st Jul 2025474 AMAQI
23°C19/28°C
21st Jul 2025465 AMAQI
21st Jul 2025466 AMAQI
21st Jul 2025457 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025269 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20253111 AMAQI
21st Jul 20253412 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025295 PMAQI
21st Jul 2025376 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025388 PMAQI
21st Jul 2025449 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254112 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025442 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025444 AMAQI
24°C19/28°C
22nd Jul 2025425 AMAQI
22nd Jul 2025426 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20252810 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025354 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025336 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025428 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254211 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025423 AMAQI
23rd Jul 2025404 AMAQI
25°C19/30°C
23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025319 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20253912 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025464 PMAQI
23rd Jul 2025475 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025537 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20255110 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20255112 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025412 AMAQI
24th Jul 2025413 AMAQI
24th Jul 2025414 AMAQI
24°C19/30°C
24th Jul 2025405 AMAQI
24th Jul 2025406 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025408 AMAQI
24th Jul 2025279 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20253511 AMAQI
24th Jul 20254312 PMAQI
24th Jul 2025451 PMAQI
24th Jul 2025472 PMAQI
24th Jul 2025513 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025585 PMAQI
24th Jul 2025646 PMAQI
24th Jul 2025637 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255311 PMAQI
25th Jul 20255012 AMAQI
25th Jul 2025451 AMAQI
25th Jul 2025422 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025424 AMAQI
24°C19/29°C
25th Jul 2025425 AMAQI
25th Jul 2025426 AMAQI
25th Jul 2025427 AMAQI
25th Jul 2025428 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253510 AMAQI
25th Jul 20253811 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025261 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025255 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025237 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20252912 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025432 AMAQI
26th Jul 2025433 AMAQI
26th Jul 2025424 AMAQI
25°C22/29°C
26th Jul 2025395 AMAQI
26th Jul 2025396 AMAQI
26th Jul 2025397 AMAQI
26th Jul 2025398 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20251610 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20251912 PMAQI
26th Jul 2025211 PMAQI
26th Jul 2025252 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025196 PMAQI
26th Jul 2025187 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252911 PMAQI
27th Jul 20252612 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025382 AMAQI
27th Jul 2025383 AMAQI
27th Jul 2025364 AMAQI
24°C20/28°C
27th Jul 2025345 AMAQI
27th Jul 2025346 AMAQI
27th Jul 2025357 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025259 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025296 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253110 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025332 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025324 AMAQI
24°C21/29°C
28th Jul 2025325 AMAQI
28th Jul 2025316 AMAQI
28th Jul 2025317 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025219 AMAQI
28th Jul 20252310 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025352 PMAQI
28th Jul 2025413 PMAQI
28th Jul 2025404 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025537 PMAQI
28th Jul 2025488 PMAQI
28th Jul 2025489 PMAQI
28th Jul 20254610 PMAQI
28th Jul 20254211 PMAQI
29th Jul 20253912 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025312 AMAQI
29th Jul 2025323 AMAQI
29th Jul 2025324 AMAQI
25°C22/30°C
29th Jul 2025325 AMAQI
29th Jul 2025326 AMAQI
29th Jul 2025327 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025329 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20254411 AMAQI
29th Jul 20254412 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025422 PMAQI
29th Jul 2025453 PMAQI
29th Jul 2025514 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025526 PMAQI
29th Jul 2025557 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025489 PMAQI
29th Jul 20254710 PMAQI
29th Jul 20254011 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025342 AMAQI
30th Jul 2025333 AMAQI
30th Jul 2025344 AMAQI
25°C20/30°C
30th Jul 2025355 AMAQI
30th Jul 2025346 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025319 AMAQI
30th Jul 20252910 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253912 PMAQI
30th Jul 2025361 PMAQI
30th Jul 2025402 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025524 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025556 PMAQI
30th Jul 2025567 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20253610 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253512 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025332 AMAQI
31st Jul 2025343 AMAQI
31st Jul 2025324 AMAQI
25°C20/31°C
31st Jul 2025325 AMAQI
31st Jul 2025326 AMAQI
31st Jul 2025327 AMAQI
31st Jul 2025328 AMAQI
31st Jul 2025329 AMAQI
31st Jul 20253210 AMAQI
31st Jul 20254011 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025381 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025423 PMAQI
31st Jul 2025414 PMAQI
31st Jul 2025455 PMAQI
31st Jul 2025516 PMAQI
31st Jul 2025557 PMAQI
31st Jul 2025488 PMAQI
31st Jul 2025469 PMAQI
31st Jul 20254410 PMAQI
31st Jul 20253711 PMAQI
1st Aug 20253712 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025323 AMAQI
1st Aug 2025354 AMAQI
25°C19/30°C
1st Aug 2025355 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025407 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025449 AMAQI
1st Aug 20255010 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025541 PMAQI
1st Aug 2025472 PMAQI
1st Aug 2025523 PMAQI
1st Aug 2025554 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025557 PMAQI
1st Aug 2025498 PMAQI
1st Aug 2025489 PMAQI
1st Aug 20254610 PMAQI
1st Aug 20254211 PMAQI
2nd Aug 20254612 AMAQI
2nd Aug 2025361 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025353 AMAQI
2nd Aug 2025374 AMAQI
25°C20/30°C
2nd Aug 2025405 AMAQI
2nd Aug 2025416 AMAQI
2nd Aug 2025397 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025419 AMAQI
2nd Aug 20254710 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025484 PMAQI
2nd Aug 2025435 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025457 PMAQI
2nd Aug 2025478 PMAQI
2nd Aug 2025429 PMAQI
2nd Aug 20254610 PMAQI
2nd Aug 20254811 PMAQI
3rd Aug 20254412 AMAQI
3rd Aug 2025401 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
3rd Aug 2025404 AMAQI
26°C20/32°C
3rd Aug 2025425 AMAQI
3rd Aug 2025416 AMAQI
3rd Aug 2025417 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025499 AMAQI
3rd Aug 20254910 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255512 PMAQI
3rd Aug 2025561 PMAQI
3rd Aug 2025532 PMAQI
3rd Aug 2025553 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025567 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025529 PMAQI
3rd Aug 20255210 PMAQI
3rd Aug 20254611 PMAQI
4th Aug 20254912 AMAQI
4th Aug 2025421 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025424 AMAQI
26°C21/31°C
4th Aug 2025445 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025457 AMAQI
4th Aug 2025448 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256610 AMAQI
4th Aug 20257111 AMAQI
4th Aug 20257512 PMAQI
4th Aug 2025701 PMAQI
4th Aug 2025812 PMAQI
4th Aug 2025703 PMAQI
4th Aug 2025694 PMAQI
4th Aug 2025705 PMAQI
4th Aug 2025656 PMAQI
4th Aug 2025647 PMAQI
4th Aug 2025558 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20254910 PMAQI
4th Aug 20255111 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025461 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025423 AMAQI
5th Aug 2025504 AMAQI
25°C21/29°C
5th Aug 2025525 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025489 AMAQI
5th Aug 20255310 AMAQI
5th Aug 20254911 AMAQI
5th Aug 20255412 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025482 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025517 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20255110 PMAQI
5th Aug 20255011 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025483 AMAQI
6th Aug 2025504 AMAQI
25°C21/29°C
6th Aug 2025505 AMAQI
6th Aug 2025516 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025498 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20253910 AMAQI
6th Aug 20253511 AMAQI
6th Aug 20254412 PMAQI
6th Aug 2025471 PMAQI
6th Aug 2025422 PMAQI
6th Aug 2025383 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025405 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025487 PMAQI
6th Aug 2025498 PMAQI
6th Aug 2025449 PMAQI
6th Aug 20254410 PMAQI
6th Aug 20254311 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025492 AMAQI
7th Aug 2025483 AMAQI
7th Aug 2025464 AMAQI
27°C21/32°C
7th Aug 2025475 AMAQI
7th Aug 2025476 AMAQI
7th Aug 2025487 AMAQI
7th Aug 2025458 AMAQI
7th Aug 2025369 AMAQI
7th Aug 20253910 AMAQI
7th Aug 20254611 AMAQI
7th Aug 20253912 PMAQI
7th Aug 2025421 PMAQI
7th Aug 2025372 PMAQI
7th Aug 2025363 PMAQI
7th Aug 2025414 PMAQI
7th Aug 2025465 PMAQI
7th Aug 2025506 PMAQI
7th Aug 2025497 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20254810 PMAQI
7th Aug 20254911 PMAQI
8th Aug 20254912 AMAQI
8th Aug 2025481 AMAQI
8th Aug 2025482 AMAQI
8th Aug 2025483 AMAQI
8th Aug 2025484 AMAQI
24°C22/27°C
8th Aug 2025465 AMAQI
8th Aug 2025476 AMAQI
8th Aug 2025467 AMAQI
8th Aug 2025468 AMAQI
8th Aug 2025509 AMAQI
8th Aug 20255010 AMAQI
8th Aug 20255211 AMAQI
8th Aug 20255112 PMAQI
8th Aug 2025511 PMAQI
8th Aug 2025482 PMAQI
8th Aug 2025443 PMAQI
8th Aug 2025444 PMAQI
8th Aug 2025465 PMAQI
8th Aug 2025486 PMAQI
8th Aug 2025467 PMAQI
8th Aug 2025468 PMAQI
8th Aug 2025469 PMAQI
8th Aug 20254710 PMAQI
8th Aug 20254411 PMAQI
9th Aug 20254412 AMAQI
9th Aug 2025471 AMAQI
9th Aug 2025492 AMAQI
9th Aug 2025483 AMAQI
9th Aug 2025494 AMAQI
24°C20/28°C
9th Aug 2025495 AMAQI
9th Aug 2025496 AMAQI
9th Aug 2025497 AMAQI
9th Aug 2025498 AMAQI
9th Aug 2025359 AMAQI
9th Aug 20253310 AMAQI
9th Aug 20254011 AMAQI
9th Aug 20255112 PMAQI
9th Aug 2025541 PMAQI
9th Aug 2025562 PMAQI
9th Aug 2025543 PMAQI
9th Aug 2025524 PMAQI
9th Aug 2025455 PMAQI
9th Aug 2025426 PMAQI
9th Aug 2025367 PMAQI
9th Aug 2025328 PMAQI
9th Aug 2025359 PMAQI
9th Aug 20253410 PMAQI
9th Aug 20253711 PMAQI
10th Aug 20253712 AMAQI
10th Aug 2025421 AMAQI
10th Aug 2025492 AMAQI
10th Aug 2025483 AMAQI
10th Aug 2025494 AMAQI
21°C19/22°C
10th Aug 2025495 AMAQI
10th Aug 2025486 AMAQI
10th Aug 2025487 AMAQI
10th Aug 2025498 AMAQI
10th Aug 2025409 AMAQI
10th Aug 20253210 AMAQI
10th Aug 20253211 AMAQI
10th Aug 20253612 PMAQI
10th Aug 2025361 PMAQI
10th Aug 2025362 PMAQI
10th Aug 2025373 PMAQI
10th Aug 2025384 PMAQI
10th Aug 2025385 PMAQI
10th Aug 2025396 PMAQI
10th Aug 2025387 PMAQI
10th Aug 2025408 PMAQI
10th Aug 2025409 PMAQI
10th Aug 20253610 PMAQI
10th Aug 20253411 PMAQI
11th Aug 20253212 AMAQI
11th Aug 2025351 AMAQI
11th Aug 2025462 AMAQI
11th Aug 2025473 AMAQI
11th Aug 2025464 AMAQI
22°C20/24°C
11th Aug 2025445 AMAQI
11th Aug 2025456 AMAQI
11th Aug 2025457 AMAQI
11th Aug 2025458 AMAQI
11th Aug 2025249 AMAQI
11th Aug 20252010 AMAQI
11th Aug 20252111 AMAQI
11th Aug 20252212 PMAQI
11th Aug 2025201 PMAQI
11th Aug 2025202 PMAQI
11th Aug 2025203 PMAQI
11th Aug 2025224 PMAQI
11th Aug 2025265 PMAQI
11th Aug 2025296 PMAQI
11th Aug 2025287 PMAQI
11th Aug 2025278 PMAQI
11th Aug 2025309 PMAQI
11th Aug 20253010 PMAQI
11th Aug 20253111 PMAQI
12th Aug 20253112 AMAQI
12th Aug 2025381 AMAQI
12th Aug 2025412 AMAQI
12th Aug 2025413 AMAQI
12th Aug 2025374 AMAQI
--°C/°C
12th Aug 2025345 AMAQI
5 AM12th Aug 2025356 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 AM
45AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
10 AM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 45), while the lowest AQI was between 10 AM to 10 AM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 4 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 AM - 11 PM
44AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 45), while the lowest AQI was between 12 AM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Omachi, Saijo, Ehime, Japan
2025
61%
135
39%
86
0.9%
2
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
135 DaysModerate
86 DaysPoor
2 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 61%
Health Risk Level:
Moderate
In 2025, 61% of 223 days were within WHO’s safe air quality limits, and 39% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Omachi, Saijo, 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.
1st January 2025
30AQI
30AQI
2nd January 2025
37AQI
37AQI
3rd January 2025
32AQI
32AQI
4th January 2025
33AQI
33AQI
5th January 2025
32AQI
32AQI
6th January 2025
45AQI
45AQI
7th January 2025
32AQI
32AQI
8th January 2025
34AQI
34AQI
9th January 2025
29AQI
29AQI
10th January 2025
28AQI
28AQI
11th January 2025
29AQI
29AQI
12th January 2025
30AQI
30AQI
13th January 2025
42AQI
42AQI
14th January 2025
47AQI
47AQI
15th January 2025
44AQI
44AQI
16th January 2025
37AQI
37AQI
17th January 2025
36AQI
36AQI
18th January 2025
33AQI
33AQI
19th January 2025
50AQI
50AQI
20th January 2025
41AQI
41AQI
21st January 2025
53AQI
53AQI
22nd January 2025
57AQI
57AQI
23rd January 2025
69AQI
69AQI
24th January 2025
88AQI
88AQI
25th January 2025
47AQI
47AQI
26th January 2025
49AQI
49AQI
27th January 2025
41AQI
41AQI
28th January 2025
38AQI
38AQI
29th January 2025
33AQI
33AQI
30th January 2025
43AQI
43AQI
31st January 2025
57AQI
57AQI
1st February 2025
69AQI
69AQI
2nd February 2025
45AQI
45AQI
3rd February 2025
53AQI
53AQI
4th February 2025
39AQI
39AQI
5th February 2025
40AQI
40AQI
6th February 2025
33AQI
33AQI
7th February 2025
38AQI
38AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
34AQI
34AQI
12th February 2025
42AQI
42AQI
13th February 2025
33AQI
33AQI
14th February 2025
46AQI
46AQI
15th February 2025
34AQI
34AQI
16th February 2025
52AQI
52AQI
17th February 2025
48AQI
48AQI
18th February 2025
42AQI
42AQI
19th February 2025
41AQI
41AQI
20th February 2025
36AQI
36AQI
21st February 2025
38AQI
38AQI
22nd February 2025
43AQI
43AQI
23rd February 2025
37AQI
37AQI
24th February 2025
40AQI
40AQI
25th February 2025
38AQI
38AQI
26th February 2025
43AQI
43AQI
27th February 2025
72AQI
72AQI
28th February 2025
88AQI
88AQI
1st March 2025
99AQI
99AQI
2nd March 2025
120AQI
120AQI
3rd March 2025
60AQI
60AQI
4th March 2025
60AQI
60AQI
5th March 2025
41AQI
41AQI
6th March 2025
42AQI
42AQI
7th March 2025
39AQI
39AQI
8th March 2025
44AQI
44AQI
9th March 2025
45AQI
45AQI
10th March 2025
46AQI
46AQI
11th March 2025
54AQI
54AQI
12th March 2025
56AQI
56AQI
13th March 2025
63AQI
63AQI
14th March 2025
59AQI
59AQI
15th March 2025
44AQI
44AQI
16th March 2025
30AQI
30AQI
17th March 2025
46AQI
46AQI
18th March 2025
33AQI
33AQI
19th March 2025
43AQI
43AQI
20th March 2025
46AQI
46AQI
21st March 2025
60AQI
60AQI
22nd March 2025
62AQI
62AQI
23rd March 2025
71AQI
71AQI
24th March 2025
66AQI
66AQI
25th March 2025
84AQI
84AQI
26th March 2025
76AQI
76AQI
27th March 2025
97AQI
97AQI
28th March 2025
62AQI
62AQI
29th March 2025
55AQI
55AQI
30th March 2025
44AQI
44AQI
31st March 2025
44AQI
44AQI
1st April 2025
51AQI
51AQI
2nd April 2025
42AQI
42AQI
3rd April 2025
31AQI
31AQI
4th April 2025
37AQI
37AQI
5th April 2025
46AQI
46AQI
6th April 2025
49AQI
49AQI
7th April 2025
48AQI
48AQI
8th April 2025
43AQI
43AQI
9th April 2025
64AQI
64AQI
10th April 2025
65AQI
65AQI
11th April 2025
60AQI
60AQI
12th April 2025
66AQI
66AQI
13th April 2025
47AQI
47AQI
14th April 2025
52AQI
52AQI
15th April 2025
32AQI
32AQI
16th April 2025
50AQI
50AQI
17th April 2025
54AQI
54AQI
18th April 2025
65AQI
65AQI
19th April 2025
62AQI
62AQI
20th April 2025
55AQI
55AQI
21st April 2025
50AQI
50AQI
22nd April 2025
59AQI
59AQI
23rd April 2025
46AQI
46AQI
24th April 2025
44AQI
44AQI
25th April 2025
61AQI
61AQI
26th April 2025
63AQI
63AQI
27th April 2025
59AQI
59AQI
28th April 2025
51AQI
51AQI
29th April 2025
48AQI
48AQI
30th April 2025
58AQI
58AQI
1st May 2025
55AQI
55AQI
2nd May 2025
44AQI
44AQI
3rd May 2025
50AQI
50AQI
4th May 2025
39AQI
39AQI
5th May 2025
44AQI
44AQI
6th May 2025
40AQI
40AQI
7th May 2025
35AQI
35AQI
8th May 2025
41AQI
41AQI
9th May 2025
43AQI
43AQI
10th May 2025
41AQI
41AQI
11th May 2025
41AQI
41AQI
12th May 2025
52AQI
52AQI
13th May 2025
56AQI
56AQI
14th May 2025
63AQI
63AQI
15th May 2025
60AQI
60AQI
16th May 2025
65AQI
65AQI
17th May 2025
50AQI
50AQI
18th May 2025
52AQI
52AQI
19th May 2025
61AQI
61AQI
20th May 2025
65AQI
65AQI
21st May 2025
75AQI
75AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
56AQI
56AQI
24th May 2025
46AQI
46AQI
25th May 2025
29AQI
29AQI
26th May 2025
40AQI
40AQI
27th May 2025
42AQI
42AQI
28th May 2025
45AQI
45AQI
29th May 2025
50AQI
50AQI
30th May 2025
45AQI
45AQI
31st May 2025
41AQI
41AQI
1st June 2025
44AQI
44AQI
2nd June 2025
54AQI
54AQI
3rd June 2025
34AQI
34AQI
4th June 2025
47AQI
47AQI
5th June 2025
48AQI
48AQI
6th June 2025
56AQI
56AQI
7th June 2025
60AQI
60AQI
8th June 2025
69AQI
69AQI
9th June 2025
62AQI
62AQI
10th June 2025
42AQI
42AQI
11th June 2025
49AQI
49AQI
12th June 2025
58AQI
58AQI
13th June 2025
58AQI
58AQI
14th June 2025
55AQI
55AQI
15th June 2025
35AQI
35AQI
16th June 2025
39AQI
39AQI
17th June 2025
40AQI
40AQI
18th June 2025
49AQI
49AQI
19th June 2025
52AQI
52AQI
20th June 2025
60AQI
60AQI
21st June 2025
64AQI
64AQI
22nd June 2025
74AQI
74AQI
23rd June 2025
56AQI
56AQI
24th June 2025
53AQI
53AQI
25th June 2025
56AQI
56AQI
26th June 2025
47AQI
47AQI
27th June 2025
53AQI
53AQI
28th June 2025
57AQI
57AQI
29th June 2025
59AQI
59AQI
30th June 2025
59AQI
59AQI
1st July 2025
60AQI
60AQI
2nd July 2025
83AQI
83AQI
3rd July 2025
95AQI
95AQI
4th July 2025
110AQI
110AQI
5th July 2025
90AQI
90AQI
6th July 2025
68AQI
68AQI
7th July 2025
66AQI
66AQI
8th July 2025
69AQI
69AQI
9th July 2025
76AQI
76AQI
10th July 2025
80AQI
80AQI
11th July 2025
63AQI
63AQI
12th July 2025
61AQI
61AQI
13th July 2025
53AQI
53AQI
14th July 2025
42AQI
42AQI
15th July 2025
50AQI
50AQI
16th July 2025
59AQI
59AQI
17th July 2025
49AQI
49AQI
18th July 2025
40AQI
40AQI
19th July 2025
41AQI
41AQI
20th July 2025
39AQI
39AQI
21st July 2025
39AQI
39AQI
22nd July 2025
38AQI
38AQI
23rd July 2025
43AQI
43AQI
24th July 2025
47AQI
47AQI
25th July 2025
35AQI
35AQI
26th July 2025
29AQI
29AQI
27th July 2025
29AQI
29AQI
28th July 2025
36AQI
36AQI
29th July 2025
41AQI
41AQI
30th July 2025
40AQI
40AQI
31st July 2025
39AQI
39AQI
1st August 2025
44AQI
44AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
48AQI
48AQI
4th August 2025
56AQI
56AQI
5th August 2025
50AQI
50AQI
6th August 2025
45AQI
45AQI
7th August 2025
46AQI
46AQI
8th August 2025
47AQI
47AQI
9th August 2025
44AQI
44AQI
10th August 2025
41AQI
41AQI
11th August 2025
38AQI
38AQI
42AQI
43AQI
58AQI
52AQI
49AQI
53AQI
55AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202550AQI
26
5
23
5
14
16
1
14
16
20
11
11
19
17
13
1
10
1
135
86
2
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
January42AQI
202446AQI
26
5
21
8
17
14
5
23
2
10
21
13
17
26
5
25
6
21
9
24
7
21
9
31
240
124
2
Highest AQI recorded in
April65AQI
Lowest AQI recorded in
December33AQI
202347AQI
23
8
18
10
9
21
1
6
23
1
15
16
12
18
23
8
31
26
4
22
9
18
11
21
10
224
138
2
Highest AQI recorded in
April64AQI
Lowest AQI recorded in
August27AQI
202247AQI
23
7
18
3
10
21
5
12
6
25
16
14
17
5
1
25
3
24
7
14
16
28
3
187
116
Highest AQI recorded in
May62AQI
Lowest AQI recorded in
December38AQI
202146AQI
23
8
18
10
12
17
12
9
15
16
9
21
18
13
23
8
24
6
21
10
20
10
28
3
223
131
Highest AQI recorded in
June58AQI
Lowest AQI recorded in
December38AQI
202048AQI
5
7
1
11
10
5
13
13
17
23
8
13
14
4
17
2
23
8
21
9
20
11
151
99
5
Highest AQI recorded in
August65AQI
Lowest AQI recorded in
September34AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
50AQILeast Polluted Year Recorded
2021(Avg.)
46AQIOmachi's annual 2025 AQI (50) shows an average percentage change of 7.6% (worsened AQI) compared to previous years: 2020 (48), 2021 (46), 2022 (47), 2023 (47), 2024 (46).
