Innai, Ichikawa, Chiba, 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
Innai, Ichikawa, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2021
88AQILowest AQI recorded on
25th Aug 2023
13AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 51 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Innai, Ichikawa, Chiba, Japan
AQI
Day
Night
.
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
Day time
Avg. Highest Time
5PM6th Aug
58AQI
Avg. Lowest Time
10AM6th Aug
42AQI
Night time
Avg. Highest Time
7PM6th Aug
58AQI
Avg. Lowest Time
11PM6th Aug
42AQI
In the last 24 hours,
Innai's AQI reached its highest point of 58 at 5 PM during the Day, while the lowest point, 42, was recorded at 11 PM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Innai, Ichikawa, Chiba, Japan
JulAug
08th - 09th09th - 10th10th - 11th11th - 12th12th - 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
Day
Night
8th Jul 2025584 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025626 AMAQI
8th Jul 2025627 AMAQI
8th Jul 2025628 AMAQI
8th Jul 20251009 AMAQI
8th Jul 202511210 AMAQI
8th Jul 202510911 AMAQI
8th Jul 202510012 PMAQI
8th Jul 2025841 PMAQI
8th Jul 2025822 PMAQI
8th Jul 2025843 PMAQI
8th Jul 2025834 PMAQI
8th Jul 2025815 PMAQI
8th Jul 2025846 PMAQI
8th Jul 2025847 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025749 PMAQI
8th Jul 20257710 PMAQI
8th Jul 20257811 PMAQI
9th Jul 20257512 AMAQI
9th Jul 2025671 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025653 AMAQI
29°C27/33°C
9th Jul 2025674 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025779 AMAQI
9th Jul 20258110 AMAQI
9th Jul 20259211 AMAQI
9th Jul 20259212 PMAQI
9th Jul 2025931 PMAQI
9th Jul 2025972 PMAQI
9th Jul 20251073 PMAQI
9th Jul 20251074 PMAQI
9th Jul 2025825 PMAQI
9th Jul 2025696 PMAQI
9th Jul 2025587 PMAQI
9th Jul 2025588 PMAQI
9th Jul 2025669 PMAQI
9th Jul 20256510 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256512 AMAQI
10th Jul 2025691 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025713 AMAQI
29°C27/33°C
10th Jul 2025734 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025399 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025481 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025494 PMAQI
10th Jul 2025525 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025537 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C22/34°C
11th Jul 2025694 AMAQI
11th Jul 2025655 AMAQI
11th Jul 2025656 AMAQI
11th Jul 2025657 AMAQI
11th Jul 2025668 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251611 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025394 PMAQI
11th Jul 2025425 PMAQI
11th Jul 2025406 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025599 PMAQI
11th Jul 20255910 PMAQI
11th Jul 20255911 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025653 AMAQI
23°C22/27°C
12th Jul 2025634 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025491 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025473 PMAQI
12th Jul 2025444 PMAQI
12th Jul 2025455 PMAQI
12th Jul 2025446 PMAQI
12th Jul 2025437 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025601 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C21/28°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025587 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025439 AMAQI
13th Jul 20253310 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20255212 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025524 PMAQI
13th Jul 2025525 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025387 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
26°C24/30°C
14th Jul 2025584 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
26°C24/29°C
15th Jul 2025544 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025311 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025344 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025376 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025523 AMAQI
27°C26/29°C
16th Jul 2025524 AMAQI
16th Jul 2025505 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025449 AMAQI
16th Jul 20253610 AMAQI
16th Jul 20253211 AMAQI
16th Jul 20252712 PMAQI
16th Jul 2025331 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254712 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025513 AMAQI
27°C26/28°C
17th Jul 2025514 AMAQI
17th Jul 2025495 AMAQI
17th Jul 2025496 AMAQI
17th Jul 2025507 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025319 AMAQI
17th Jul 20253310 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025391 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C26/30°C
18th Jul 2025474 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025339 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025312 PMAQI
18th Jul 2025303 PMAQI
18th Jul 2025314 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025368 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C25/30°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20252012 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025175 PMAQI
19th Jul 2025166 PMAQI
19th Jul 2025207 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
28°C25/31°C
20th Jul 2025424 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025408 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025175 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
28°C26/31°C
21st Jul 2025394 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025329 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20252611 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025291 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025294 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025246 PMAQI
21st Jul 2025257 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025319 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253212 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
29°C27/33°C
22nd Jul 2025384 AMAQI
22nd Jul 2025365 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20253110 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253412 PMAQI
22nd Jul 2025401 PMAQI
22nd Jul 2025432 PMAQI
22nd Jul 2025433 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025217 PMAQI
22nd Jul 2025218 PMAQI
22nd Jul 2025279 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
29°C27/33°C
23rd Jul 2025374 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025376 AMAQI
23rd Jul 2025377 AMAQI
23rd Jul 2025378 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20253410 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20254412 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025483 PMAQI
23rd Jul 2025384 PMAQI
23rd Jul 2025365 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025361 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025373 AMAQI
29°C27/33°C
24th Jul 2025374 AMAQI
24th Jul 2025385 AMAQI
24th Jul 2025386 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20255012 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025523 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025255 PMAQI
24th Jul 2025236 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025289 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025361 AMAQI
25th Jul 2025362 AMAQI
25th Jul 2025373 AMAQI
29°C27/34°C
25th Jul 2025374 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025396 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253710 AMAQI
25th Jul 20253511 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025252 PMAQI
25th Jul 2025243 PMAQI
25th Jul 2025194 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025177 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025299 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252712 AMAQI
26th Jul 2025361 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025373 AMAQI
30°C27/33°C
26th Jul 2025364 AMAQI
26th Jul 2025365 AMAQI
26th Jul 2025366 AMAQI
26th Jul 2025367 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025269 AMAQI
26th Jul 20252710 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20253212 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025263 PMAQI
26th Jul 2025244 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252911 PMAQI
27th Jul 20253012 AMAQI
27th Jul 2025361 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025353 AMAQI
30°C28/33°C
27th Jul 2025354 AMAQI
27th Jul 2025335 AMAQI
27th Jul 2025336 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025208 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252512 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025332 AMAQI
28th Jul 2025333 AMAQI
29°C27/33°C
28th Jul 2025334 AMAQI
28th Jul 2025325 AMAQI
28th Jul 2025326 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025582 PMAQI
28th Jul 2025533 PMAQI
28th Jul 2025444 PMAQI
28th Jul 2025305 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025267 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025333 AMAQI
30°C27/35°C
29th Jul 2025334 AMAQI
29th Jul 2025365 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20254211 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025421 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025443 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025356 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025348 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253310 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025351 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025343 AMAQI
31°C26/37°C
30th Jul 2025344 AMAQI
30th Jul 2025345 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025357 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025359 AMAQI
30th Jul 20253310 AMAQI
30th Jul 20252911 AMAQI
30th Jul 20253412 PMAQI
30th Jul 2025341 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025253 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025332 AMAQI
31st Jul 2025333 AMAQI
29°C26/35°C
31st Jul 2025324 AMAQI
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 20253611 AMAQI
31st Jul 20253712 PMAQI
31st Jul 2025311 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025233 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025225 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025279 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252612 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025332 AMAQI
1st Aug 2025343 AMAQI
28°C25/33°C
1st Aug 2025344 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20254211 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025253 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025285 PMAQI
1st Aug 2025336 PMAQI
1st Aug 2025217 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025269 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20252511 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
28°C25/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025376 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253010 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025378 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
30°C26/34°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025463 PMAQI
3rd Aug 2025474 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025447 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
31°C27/36°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257210 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025911 PMAQI
4th Aug 2025942 PMAQI
4th Aug 2025863 PMAQI
4th Aug 2025874 PMAQI
4th Aug 2025885 PMAQI
4th Aug 2025846 PMAQI
4th Aug 2025757 PMAQI
4th Aug 2025688 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025402 AMAQI
5th Aug 2025403 AMAQI
30°C28/34°C
5th Aug 2025504 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256112 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025533 PMAQI
5th Aug 2025604 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025486 PMAQI
5th Aug 2025477 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254610 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
31°C29/35°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20254811 AMAQI
6th Aug 20255612 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025572 PMAQI
6th Aug 2025513 PMAQI
6th Aug 2025544 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025566 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025449 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254211 PMAQI
7th Aug 20254712 AMAQI
7th Aug 2025471 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025503 AMAQI
32°C29/36°C
7th Aug 2025524 AMAQI
4 AM7th Aug 2025505 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025439 AMAQI
7th Aug 20254610 AMAQI
7th Aug 20254311 AMAQI
11 AM7th Aug 20252912 PMAQI
7th Aug 2025321 PMAQI
7th Aug 2025322 PMAQI
7th Aug 2025483 PMAQI
7th Aug 2025644 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
46AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 46), while the lowest AQI was between 9 AM to 10 AM (Avg. 39).
Night time
Avg. Highest Time
1 AM - 3 AM
46AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM
36AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 46), while the lowest AQI was between 7 PM to 7 PM (Avg. 36).
2025 Days Vs Air Quality
Innai, Ichikawa, Chiba, Japan
2025
89%
194
11%
24
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
194 DaysModerate
24 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 219 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
Innai, Ichikawa, Chiba, 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
32AQI
32AQI
2nd January 2025
32AQI
32AQI
3rd January 2025
25AQI
25AQI
4th January 2025
29AQI
29AQI
5th January 2025
38AQI
38AQI
6th January 2025
48AQI
48AQI
7th January 2025
38AQI
38AQI
8th January 2025
34AQI
34AQI
9th January 2025
31AQI
31AQI
10th January 2025
29AQI
29AQI
11th January 2025
29AQI
29AQI
12th January 2025
37AQI
37AQI
13th January 2025
29AQI
29AQI
14th January 2025
43AQI
43AQI
15th January 2025
37AQI
37AQI
16th January 2025
36AQI
36AQI
17th January 2025
31AQI
31AQI
18th January 2025
34AQI
34AQI
19th January 2025
53AQI
53AQI
20th January 2025
42AQI
42AQI
21st January 2025
44AQI
44AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
55AQI
55AQI
24th January 2025
47AQI
47AQI
25th January 2025
44AQI
44AQI
26th January 2025
37AQI
37AQI
27th January 2025
41AQI
41AQI
28th January 2025
41AQI
41AQI
29th January 2025
33AQI
33AQI
30th January 2025
34AQI
34AQI
31st January 2025
30AQI
30AQI
1st February 2025
40AQI
40AQI
2nd February 2025
35AQI
35AQI
3rd February 2025
42AQI
42AQI
4th February 2025
31AQI
31AQI
5th February 2025
33AQI
33AQI
6th February 2025
27AQI
27AQI
7th February 2025
29AQI
29AQI
8th February 2025
28AQI
28AQI
9th February 2025
29AQI
29AQI
10th February 2025
27AQI
27AQI
11th February 2025
30AQI
30AQI
12th February 2025
33AQI
33AQI
13th February 2025
46AQI
46AQI
14th February 2025
32AQI
32AQI
15th February 2025
44AQI
44AQI
16th February 2025
38AQI
38AQI
17th February 2025
38AQI
38AQI
18th February 2025
32AQI
32AQI
19th February 2025
31AQI
31AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
33AQI
33AQI
26th February 2025
37AQI
37AQI
27th February 2025
40AQI
40AQI
28th February 2025
58AQI
58AQI
1st March 2025
51AQI
51AQI
2nd March 2025
66AQI
66AQI
3rd March 2025
41AQI
41AQI
4th March 2025
41AQI
41AQI
5th March 2025
25AQI
25AQI
6th March 2025
35AQI
35AQI
7th March 2025
31AQI
31AQI
8th March 2025
36AQI
36AQI
9th March 2025
34AQI
34AQI
10th March 2025
35AQI
35AQI
11th March 2025
45AQI
45AQI
12th March 2025
50AQI
50AQI
13th March 2025
41AQI
41AQI
14th March 2025
40AQI
40AQI
15th March 2025
37AQI
37AQI
16th March 2025
28AQI
28AQI
17th March 2025
21AQI
21AQI
18th March 2025
26AQI
26AQI
19th March 2025
19AQI
19AQI
20th March 2025
24AQI
24AQI
21st March 2025
43AQI
43AQI
22nd March 2025
49AQI
49AQI
23rd March 2025
57AQI
57AQI
24th March 2025
53AQI
53AQI
25th March 2025
66AQI
66AQI
26th March 2025
79AQI
79AQI
27th March 2025
71AQI
71AQI
28th March 2025
49AQI
49AQI
29th March 2025
38AQI
38AQI
30th March 2025
41AQI
41AQI
31st March 2025
33AQI
33AQI
1st April 2025
30AQI
30AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
20AQI
20AQI
4th April 2025
19AQI
19AQI
5th April 2025
25AQI
25AQI
6th April 2025
25AQI
25AQI
7th April 2025
30AQI
30AQI
8th April 2025
39AQI
39AQI
9th April 2025
27AQI
27AQI
10th April 2025
47AQI
47AQI
11th April 2025
38AQI
38AQI
12th April 2025
40AQI
40AQI
13th April 2025
28AQI
28AQI
14th April 2025
41AQI
41AQI
15th April 2025
29AQI
29AQI
16th April 2025
36AQI
36AQI
17th April 2025
46AQI
46AQI
18th April 2025
52AQI
52AQI
19th April 2025
62AQI
62AQI
20th April 2025
50AQI
50AQI
21st April 2025
45AQI
45AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
32AQI
32AQI
24th April 2025
41AQI
41AQI
25th April 2025
37AQI
37AQI
26th April 2025
48AQI
48AQI
27th April 2025
48AQI
48AQI
28th April 2025
44AQI
44AQI
29th April 2025
35AQI
35AQI
30th April 2025
46AQI
46AQI
1st May 2025
39AQI
39AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
31AQI
31AQI
4th May 2025
36AQI
36AQI
5th May 2025
35AQI
35AQI
6th May 2025
27AQI
27AQI
7th May 2025
24AQI
24AQI
8th May 2025
26AQI
26AQI
9th May 2025
28AQI
28AQI
10th May 2025
23AQI
23AQI
11th May 2025
29AQI
29AQI
12th May 2025
24AQI
24AQI
13th May 2025
35AQI
35AQI
14th May 2025
35AQI
35AQI
15th May 2025
38AQI
38AQI
16th May 2025
41AQI
41AQI
17th May 2025
29AQI
29AQI
18th May 2025
46AQI
46AQI
19th May 2025
40AQI
40AQI
20th May 2025
61AQI
61AQI
21st May 2025
42AQI
42AQI
22nd May 2025
42AQI
42AQI
23rd May 2025
39AQI
39AQI
24th May 2025
37AQI
37AQI
25th May 2025
28AQI
28AQI
26th May 2025
28AQI
28AQI
27th May 2025
24AQI
24AQI
28th May 2025
23AQI
23AQI
29th May 2025
27AQI
27AQI
30th May 2025
23AQI
23AQI
31st May 2025
16AQI
16AQI
1st June 2025
22AQI
22AQI
2nd June 2025
28AQI
28AQI
3rd June 2025
31AQI
31AQI
4th June 2025
32AQI
32AQI
5th June 2025
38AQI
38AQI
6th June 2025
46AQI
46AQI
7th June 2025
47AQI
47AQI
8th June 2025
55AQI
55AQI
9th June 2025
40AQI
40AQI
10th June 2025
32AQI
32AQI
11th June 2025
31AQI
31AQI
12th June 2025
37AQI
37AQI
13th June 2025
37AQI
37AQI
14th June 2025
32AQI
32AQI
15th June 2025
34AQI
34AQI
16th June 2025
41AQI
41AQI
17th June 2025
49AQI
49AQI
18th June 2025
45AQI
45AQI
19th June 2025
44AQI
44AQI
20th June 2025
39AQI
39AQI
21st June 2025
34AQI
34AQI
22nd June 2025
26AQI
26AQI
23rd June 2025
26AQI
26AQI
24th June 2025
25AQI
25AQI
25th June 2025
21AQI
21AQI
26th June 2025
21AQI
21AQI
27th June 2025
28AQI
28AQI
28th June 2025
29AQI
29AQI
29th June 2025
32AQI
32AQI
30th June 2025
36AQI
36AQI
1st July 2025
36AQI
36AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
39AQI
39AQI
4th July 2025
41AQI
41AQI
5th July 2025
47AQI
47AQI
6th July 2025
61AQI
61AQI
7th July 2025
73AQI
73AQI
8th July 2025
76AQI
76AQI
9th July 2025
75AQI
75AQI
10th July 2025
60AQI
60AQI
11th July 2025
52AQI
52AQI
12th July 2025
54AQI
54AQI
13th July 2025
52AQI
52AQI
14th July 2025
44AQI
44AQI
15th July 2025
44AQI
44AQI
16th July 2025
43AQI
43AQI
17th July 2025
43AQI
43AQI
18th July 2025
40AQI
40AQI
19th July 2025
32AQI
32AQI
20th July 2025
31AQI
31AQI
21st July 2025
32AQI
32AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
35AQI
35AQI
24th July 2025
35AQI
35AQI
25th July 2025
30AQI
30AQI
26th July 2025
29AQI
29AQI
27th July 2025
27AQI
27AQI
28th July 2025
34AQI
34AQI
29th July 2025
35AQI
35AQI
30th July 2025
32AQI
32AQI
31st July 2025
29AQI
29AQI
1st August 2025
32AQI
32AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
61AQI
61AQI
5th August 2025
50AQI
50AQI
6th August 2025
51AQI
51AQI
37AQI
35AQI
42AQI
38AQI
32AQI
35AQI
43AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
29
2
27
1
24
7
28
2
30
1
29
1
23
8
4
2
194
24
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May32AQI
202439AQI
23
8
26
3
21
10
21
9
28
3
28
2
18
13
29
2
27
3
30
1
27
3
30
1
308
58
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
September30AQI
202340AQI
20
11
20
8
21
10
20
10
26
5
20
10
22
9
29
2
30
30
1
19
10
20
10
277
86
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
August27AQI
202242AQI
29
1
19
2
21
10
20
10
20
11
18
12
16
8
1
28
26
5
22
8
24
5
243
73
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
September30AQI
202144AQI
23
7
23
5
25
5
1
26
4
21
10
24
6
15
16
15
16
27
3
24
7
25
5
18
11
266
95
1
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
February37AQI
202038AQI
11
2
19
2
18
20
10
30
1
19
12
18
1
28
3
21
7
23
8
207
45
1
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
May30AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
44AQILeast Polluted Year Recorded
2025(Avg.)
38AQIInnai's annual 2025 AQI (38) shows an average percentage change of -7.09% (improved AQI) compared to previous years: 2020 (38), 2021 (44), 2022 (42), 2023 (40), 2024 (39).
