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
Ichikawa, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2021
63AQILowest AQI recorded on
25th Aug 2023
13AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Ichikawa, Chiba, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM5th Aug
62AQI
Avg. Lowest Time
11PM5th Aug
45AQI
In the last 24 hours,
Ichikawa's AQI reached its highest point of 62 at 12 PM during the Night, while the lowest point, 45, was recorded at 11 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ichikawa, Chiba, Japan
JulAug
07th - 08th08th - 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
Day
Night
7th Jul 2025494 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 20251049 AMAQI
7th Jul 202512010 AMAQI
7th Jul 202511811 AMAQI
7th Jul 202511412 PMAQI
7th Jul 20251011 PMAQI
7th Jul 2025942 PMAQI
7th Jul 2025913 PMAQI
7th Jul 2025934 PMAQI
7th Jul 2025945 PMAQI
7th Jul 20251056 PMAQI
7th Jul 20251137 PMAQI
7th Jul 20251018 PMAQI
7th Jul 2025769 PMAQI
7th Jul 20257710 PMAQI
7th Jul 20257711 PMAQI
8th Jul 20257512 AMAQI
8th Jul 2025651 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025563 AMAQI
29°C27/33°C
8th Jul 2025594 AMAQI
8th Jul 2025655 AMAQI
8th Jul 2025656 AMAQI
8th Jul 2025657 AMAQI
8th Jul 2025658 AMAQI
8th Jul 20251069 AMAQI
8th Jul 202512010 AMAQI
8th Jul 202511411 AMAQI
8th Jul 202510312 PMAQI
8th Jul 2025881 PMAQI
8th Jul 2025842 PMAQI
8th Jul 2025853 PMAQI
8th Jul 2025864 PMAQI
8th Jul 2025845 PMAQI
8th Jul 2025866 PMAQI
8th Jul 2025877 PMAQI
8th Jul 2025858 PMAQI
8th Jul 2025789 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20258111 PMAQI
9th Jul 20258112 AMAQI
9th Jul 2025731 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
29°C27/32°C
9th Jul 2025674 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025726 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025829 AMAQI
9th Jul 20258710 AMAQI
9th Jul 20259411 AMAQI
9th Jul 20259612 PMAQI
9th Jul 2025961 PMAQI
9th Jul 2025972 PMAQI
9th Jul 20251073 PMAQI
9th Jul 20251114 PMAQI
9th Jul 2025975 PMAQI
9th Jul 2025766 PMAQI
9th Jul 2025577 PMAQI
9th Jul 2025538 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20256010 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20255912 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025713 AMAQI
29°C26/32°C
10th Jul 2025734 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20253710 AMAQI
10th Jul 20254211 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025431 PMAQI
10th Jul 2025372 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025354 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025517 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025651 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C23/32°C
11th Jul 2025694 AMAQI
11th Jul 2025655 AMAQI
11th Jul 2025656 AMAQI
11th Jul 2025657 AMAQI
11th Jul 2025658 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025291 PMAQI
11th Jul 2025312 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025314 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025336 PMAQI
11th Jul 2025337 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
24°C22/26°C
12th Jul 2025634 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025403 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255310 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025581 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 2025459 AMAQI
13th Jul 20253310 AMAQI
13th Jul 20254011 AMAQI
13th Jul 20254812 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025499 PMAQI
13th Jul 20254810 PMAQI
13th Jul 20254911 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
26°C24/29°C
14th Jul 2025574 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20252011 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025251 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254510 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025501 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 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252211 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025271 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025314 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025337 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025399 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20254211 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
27°C26/28°C
16th Jul 2025524 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025469 AMAQI
16th Jul 20253710 AMAQI
16th Jul 20253211 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025252 PMAQI
16th Jul 2025273 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025267 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254011 PMAQI
17th Jul 20254112 AMAQI
17th Jul 2025471 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
27°C26/28°C
17th Jul 2025504 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025319 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253811 AMAQI
17th Jul 20253812 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025405 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025397 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254211 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
27°C26/30°C
18th Jul 2025474 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025339 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253811 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025411 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C25/30°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025437 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20252212 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025233 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025216 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025381 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
28°C25/30°C
20th Jul 2025424 AMAQI
20th Jul 2025395 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025298 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
28°C26/31°C
21st Jul 2025394 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20252910 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20253012 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025332 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025296 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
29°C27/32°C
22nd Jul 2025374 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 20253411 AMAQI
22nd Jul 20253512 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025373 PMAQI
22nd Jul 2025384 PMAQI
22nd Jul 2025345 PMAQI
22nd Jul 2025276 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
29°C27/31°C
23rd Jul 2025364 AMAQI
23rd Jul 2025365 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20253210 AMAQI
23rd Jul 20253911 AMAQI
23rd Jul 20254312 PMAQI
23rd Jul 2025461 PMAQI
23rd Jul 2025472 PMAQI
23rd Jul 2025423 PMAQI
23rd Jul 2025384 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253011 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025353 AMAQI
29°C26/31°C
24th Jul 2025364 AMAQI
24th Jul 2025365 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025553 PMAQI
24th Jul 2025434 PMAQI
24th Jul 2025335 PMAQI
24th Jul 2025296 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20253010 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025353 AMAQI
29°C26/33°C
25th Jul 2025364 AMAQI
25th Jul 2025395 AMAQI
25th Jul 2025396 AMAQI
25th Jul 2025397 AMAQI
25th Jul 2025398 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20254311 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025371 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025273 PMAQI
25th Jul 2025244 PMAQI
25th Jul 2025235 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025268 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20252910 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252912 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025363 AMAQI
29°C27/32°C
26th Jul 2025364 AMAQI
26th Jul 2025375 AMAQI
26th Jul 2025376 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025378 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025321 PMAQI
26th Jul 2025302 PMAQI
26th Jul 2025273 PMAQI
26th Jul 2025254 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025278 PMAQI
26th Jul 2025319 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20252912 AMAQI
27th Jul 2025321 AMAQI
27th Jul 2025352 AMAQI
27th Jul 2025343 AMAQI
29°C28/32°C
27th Jul 2025354 AMAQI
27th Jul 2025345 AMAQI
27th Jul 2025346 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025348 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20253611 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025291 AMAQI
28th Jul 2025332 AMAQI
28th Jul 2025343 AMAQI
29°C27/32°C
28th Jul 2025334 AMAQI
28th Jul 2025335 AMAQI
28th Jul 2025336 AMAQI
28th Jul 2025337 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20253511 AMAQI
28th Jul 20254512 PMAQI
28th Jul 2025531 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025504 PMAQI
28th Jul 2025415 PMAQI
28th Jul 2025346 PMAQI
28th Jul 2025317 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025339 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025301 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025323 AMAQI
29°C27/33°C
29th Jul 2025344 AMAQI
29th Jul 2025365 AMAQI
29th Jul 2025356 AMAQI
29th Jul 2025357 AMAQI
29th Jul 2025358 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20253310 AMAQI
29th Jul 20253711 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025461 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025424 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025286 PMAQI
29th Jul 2025257 PMAQI
29th Jul 2025258 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025333 AMAQI
30°C26/35°C
30th Jul 2025344 AMAQI
30th Jul 2025355 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025357 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20251910 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025252 PMAQI
30th Jul 2025233 PMAQI
30th Jul 2025264 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025327 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253310 PMAQI
30th Jul 20253311 PMAQI
31st Jul 20253412 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
29°C26/34°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 20253711 AMAQI
31st Jul 20253612 PMAQI
31st Jul 2025311 PMAQI
31st Jul 2025272 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025216 PMAQI
31st Jul 2025197 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025363 AMAQI
28°C25/32°C
1st Aug 2025354 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254012 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025424 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025426 PMAQI
1st Aug 2025257 PMAQI
1st Aug 2025328 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
28°C25/31°C
2nd Aug 2025374 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025319 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20254111 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025572 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025525 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025408 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
29°C26/33°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025511 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025476 PMAQI
3rd Aug 2025427 PMAQI
3rd Aug 2025458 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254310 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
30°C27/35°C
4th Aug 2025414 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 20258311 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025901 PMAQI
4th Aug 2025912 PMAQI
4th Aug 2025863 PMAQI
4th Aug 2025874 PMAQI
4th Aug 2025885 PMAQI
4th Aug 2025856 PMAQI
4th Aug 2025767 PMAQI
4th Aug 2025678 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
30°C28/33°C
5th Aug 2025504 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20256110 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20256212 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025594 PMAQI
5th Aug 2025515 PMAQI
5th Aug 2025506 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254511 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025493 AMAQI
--°C/°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025525 AMAQI
11 AM
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 - 6 PM
43AQI
10 hours / Day
300 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 6 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 3 AM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
39AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 44), while the lowest AQI was between 7 PM to 8 PM (Avg. 39).
2025 Days Vs Air Quality
Ichikawa, Chiba, Japan
2025
95%
205
5%
11
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
205 DaysModerate
11 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 217 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
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
30AQI
30AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
24AQI
24AQI
4th January 2025
28AQI
28AQI
5th January 2025
31AQI
31AQI
6th January 2025
39AQI
39AQI
7th January 2025
30AQI
30AQI
8th January 2025
30AQI
30AQI
9th January 2025
27AQI
27AQI
10th January 2025
26AQI
26AQI
11th January 2025
27AQI
27AQI
12th January 2025
32AQI
32AQI
13th January 2025
29AQI
29AQI
14th January 2025
35AQI
35AQI
15th January 2025
34AQI
34AQI
16th January 2025
30AQI
30AQI
17th January 2025
30AQI
30AQI
18th January 2025
30AQI
30AQI
19th January 2025
41AQI
41AQI
20th January 2025
35AQI
35AQI
21st January 2025
37AQI
37AQI
22nd January 2025
36AQI
36AQI
23rd January 2025
43AQI
43AQI
24th January 2025
41AQI
41AQI
25th January 2025
38AQI
38AQI
26th January 2025
34AQI
34AQI
27th January 2025
33AQI
33AQI
28th January 2025
35AQI
35AQI
29th January 2025
29AQI
29AQI
30th January 2025
30AQI
30AQI
31st January 2025
28AQI
28AQI
1st February 2025
33AQI
33AQI
2nd February 2025
31AQI
31AQI
3rd February 2025
33AQI
33AQI
4th February 2025
30AQI
30AQI
5th February 2025
30AQI
30AQI
6th February 2025
27AQI
27AQI
7th February 2025
28AQI
28AQI
8th February 2025
28AQI
28AQI
9th February 2025
29AQI
29AQI
10th February 2025
26AQI
26AQI
11th February 2025
30AQI
30AQI
12th February 2025
30AQI
30AQI
13th February 2025
33AQI
33AQI
14th February 2025
28AQI
28AQI
15th February 2025
32AQI
32AQI
16th February 2025
35AQI
35AQI
17th February 2025
35AQI
35AQI
18th February 2025
31AQI
31AQI
19th February 2025
30AQI
30AQI
20th February 2025
30AQI
30AQI
21st February 2025
29AQI
29AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
32AQI
32AQI
26th February 2025
35AQI
35AQI
27th February 2025
37AQI
37AQI
28th February 2025
47AQI
47AQI
1st March 2025
47AQI
47AQI
2nd March 2025
54AQI
54AQI
3rd March 2025
38AQI
38AQI
4th March 2025
36AQI
36AQI
5th March 2025
25AQI
25AQI
6th March 2025
32AQI
32AQI
7th March 2025
31AQI
31AQI
8th March 2025
33AQI
33AQI
9th March 2025
34AQI
34AQI
10th March 2025
34AQI
34AQI
11th March 2025
36AQI
36AQI
12th March 2025
40AQI
40AQI
13th March 2025
36AQI
36AQI
14th March 2025
32AQI
32AQI
15th March 2025
28AQI
28AQI
16th March 2025
22AQI
22AQI
17th March 2025
18AQI
18AQI
18th March 2025
20AQI
20AQI
19th March 2025
16AQI
16AQI
20th March 2025
20AQI
20AQI
21st March 2025
33AQI
33AQI
22nd March 2025
39AQI
39AQI
23rd March 2025
43AQI
43AQI
24th March 2025
41AQI
41AQI
25th March 2025
58AQI
58AQI
26th March 2025
71AQI
71AQI
27th March 2025
65AQI
65AQI
28th March 2025
46AQI
46AQI
29th March 2025
35AQI
35AQI
30th March 2025
40AQI
40AQI
31st March 2025
31AQI
31AQI
1st April 2025
27AQI
27AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
19AQI
19AQI
4th April 2025
19AQI
19AQI
5th April 2025
22AQI
22AQI
6th April 2025
21AQI
21AQI
7th April 2025
24AQI
24AQI
8th April 2025
29AQI
29AQI
9th April 2025
22AQI
22AQI
10th April 2025
35AQI
35AQI
11th April 2025
30AQI
30AQI
12th April 2025
30AQI
30AQI
13th April 2025
24AQI
24AQI
14th April 2025
32AQI
32AQI
15th April 2025
26AQI
26AQI
16th April 2025
27AQI
27AQI
17th April 2025
36AQI
36AQI
18th April 2025
41AQI
41AQI
19th April 2025
48AQI
48AQI
20th April 2025
39AQI
39AQI
21st April 2025
35AQI
35AQI
22nd April 2025
34AQI
34AQI
23rd April 2025
24AQI
24AQI
24th April 2025
31AQI
31AQI
25th April 2025
29AQI
29AQI
26th April 2025
35AQI
35AQI
27th April 2025
36AQI
36AQI
28th April 2025
33AQI
33AQI
29th April 2025
26AQI
26AQI
30th April 2025
33AQI
33AQI
1st May 2025
30AQI
30AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
24AQI
24AQI
4th May 2025
29AQI
29AQI
5th May 2025
27AQI
27AQI
6th May 2025
22AQI
22AQI
7th May 2025
20AQI
20AQI
8th May 2025
22AQI
22AQI
9th May 2025
23AQI
23AQI
10th May 2025
20AQI
20AQI
11th May 2025
23AQI
23AQI
12th May 2025
21AQI
21AQI
13th May 2025
27AQI
27AQI
14th May 2025
26AQI
26AQI
15th May 2025
28AQI
28AQI
16th May 2025
30AQI
30AQI
17th May 2025
25AQI
25AQI
18th May 2025
35AQI
35AQI
19th May 2025
32AQI
32AQI
20th May 2025
48AQI
48AQI
21st May 2025
36AQI
36AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
30AQI
30AQI
24th May 2025
29AQI
29AQI
25th May 2025
23AQI
23AQI
26th May 2025
22AQI
22AQI
27th May 2025
20AQI
20AQI
28th May 2025
19AQI
19AQI
29th May 2025
22AQI
22AQI
30th May 2025
20AQI
20AQI
31st May 2025
15AQI
15AQI
1st June 2025
18AQI
18AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
25AQI
25AQI
4th June 2025
25AQI
25AQI
5th June 2025
30AQI
30AQI
6th June 2025
35AQI
35AQI
7th June 2025
35AQI
35AQI
8th June 2025
41AQI
41AQI
9th June 2025
31AQI
31AQI
10th June 2025
28AQI
28AQI
11th June 2025
26AQI
26AQI
12th June 2025
31AQI
31AQI
13th June 2025
30AQI
30AQI
14th June 2025
27AQI
27AQI
15th June 2025
30AQI
30AQI
16th June 2025
32AQI
32AQI
17th June 2025
41AQI
41AQI
18th June 2025
38AQI
38AQI
19th June 2025
37AQI
37AQI
20th June 2025
33AQI
33AQI
21st June 2025
26AQI
26AQI
22nd June 2025
17AQI
17AQI
23rd June 2025
19AQI
19AQI
24th June 2025
19AQI
19AQI
25th June 2025
18AQI
18AQI
26th June 2025
18AQI
18AQI
27th June 2025
25AQI
25AQI
28th June 2025
23AQI
23AQI
29th June 2025
27AQI
27AQI
30th June 2025
36AQI
36AQI
1st July 2025
37AQI
37AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
41AQI
41AQI
4th July 2025
44AQI
44AQI
5th July 2025
50AQI
50AQI
6th July 2025
67AQI
67AQI
7th July 2025
80AQI
80AQI
8th July 2025
79AQI
79AQI
9th July 2025
75AQI
75AQI
10th July 2025
57AQI
57AQI
11th July 2025
48AQI
48AQI
12th July 2025
51AQI
51AQI
13th July 2025
49AQI
49AQI
14th July 2025
41AQI
41AQI
15th July 2025
40AQI
40AQI
16th July 2025
40AQI
40AQI
17th July 2025
43AQI
43AQI
18th July 2025
37AQI
37AQI
19th July 2025
33AQI
33AQI
20th July 2025
32AQI
32AQI
21st July 2025
33AQI
33AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
34AQI
34AQI
24th July 2025
36AQI
36AQI
25th July 2025
32AQI
32AQI
26th July 2025
31AQI
31AQI
27th July 2025
29AQI
29AQI
28th July 2025
35AQI
35AQI
29th July 2025
33AQI
33AQI
30th July 2025
30AQI
30AQI
31st July 2025
29AQI
29AQI
1st August 2025
34AQI
34AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
59AQI
59AQI
32AQI
32AQI
37AQI
30AQI
26AQI
28AQI
43AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202533AQI
31
28
27
4
30
31
30
25
6
3
1
205
11
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
May26AQI
202435AQI
28
3
27
2
28
3
25
5
28
3
29
1
21
10
31
28
2
31
29
1
31
336
30
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
August28AQI
202336AQI
28
3
26
2
27
4
23
7
30
1
26
4
28
3
31
30
31
25
4
28
3
333
31
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August24AQI
202235AQI
31
21
1
27
4
26
4
27
4
27
3
23
2
2
1
29
31
30
30
1
304
20
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
September29AQI
202130AQI
30
1
26
2
29
2
30
27
4
27
3
29
2
29
2
30
30
1
30
30
1
347
18
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
February24AQI
202025AQI
13
21
18
29
1
31
29
2
19
30
1
29
1
30
1
249
6
Highest AQI recorded in
August31AQI
Lowest AQI recorded in
September20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
36AQILeast Polluted Year Recorded
2020(Avg.)
25AQIIchikawa's annual 2025 AQI (33) shows an average percentage change of 2.9% (worsened AQI) compared to previous years: 2020 (25), 2021 (30), 2022 (35), 2023 (36), 2024 (35).
