Haruecho, 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
Haruecho, Ichikawa, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2021
61AQILowest AQI recorded on
7th Aug 2021
10AQISame Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Haruecho, 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
61AQI
Avg. Lowest Time
12AM6th Aug
46AQI
In the last 24 hours,
Haruecho's AQI reached its highest point of 61 at 12 PM during the Night, while the lowest point, 46, was recorded at 12 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Haruecho, 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 2025524 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025558 AMAQI
7th Jul 20251089 AMAQI
7th Jul 202512410 AMAQI
7th Jul 202512811 AMAQI
7th Jul 202511912 PMAQI
7th Jul 20251021 PMAQI
7th Jul 2025972 PMAQI
7th Jul 2025933 PMAQI
7th Jul 2025944 PMAQI
7th Jul 20251015 PMAQI
7th Jul 20251146 PMAQI
7th Jul 20251247 PMAQI
7th Jul 20251048 PMAQI
7th Jul 2025789 PMAQI
7th Jul 20257810 PMAQI
7th Jul 20258011 PMAQI
8th Jul 20257912 AMAQI
8th Jul 2025701 AMAQI
8th Jul 2025562 AMAQI
8th Jul 2025573 AMAQI
29°C27/33°C
8th Jul 2025604 AMAQI
8th Jul 2025665 AMAQI
8th Jul 2025666 AMAQI
8th Jul 2025667 AMAQI
8th Jul 2025668 AMAQI
8th Jul 20251099 AMAQI
8th Jul 202512410 AMAQI
8th Jul 202511611 AMAQI
8th Jul 202510412 PMAQI
8th Jul 2025921 PMAQI
8th Jul 2025862 PMAQI
8th Jul 2025873 PMAQI
8th Jul 2025884 PMAQI
8th Jul 2025875 PMAQI
8th Jul 2025896 PMAQI
8th Jul 2025907 PMAQI
8th Jul 2025888 PMAQI
8th Jul 2025809 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20258211 PMAQI
9th Jul 20258212 AMAQI
9th Jul 2025801 AMAQI
9th Jul 2025652 AMAQI
9th Jul 2025653 AMAQI
29°C27/32°C
9th Jul 2025684 AMAQI
9th Jul 2025735 AMAQI
9th Jul 2025726 AMAQI
9th Jul 2025737 AMAQI
9th Jul 2025738 AMAQI
9th Jul 2025849 AMAQI
9th Jul 20258610 AMAQI
9th Jul 20259411 AMAQI
9th Jul 20259812 PMAQI
9th Jul 20251011 PMAQI
9th Jul 20251002 PMAQI
9th Jul 20251073 PMAQI
9th Jul 20251174 PMAQI
9th Jul 20251075 PMAQI
9th Jul 2025846 PMAQI
9th Jul 2025607 PMAQI
9th Jul 2025568 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20255910 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025631 AMAQI
10th Jul 2025722 AMAQI
10th Jul 2025723 AMAQI
29°C26/32°C
10th Jul 2025754 AMAQI
10th Jul 2025785 AMAQI
10th Jul 2025776 AMAQI
10th Jul 2025777 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20253711 AMAQI
10th Jul 20254112 PMAQI
10th Jul 2025411 PMAQI
10th Jul 2025332 PMAQI
10th Jul 2025353 PMAQI
10th Jul 2025294 PMAQI
10th Jul 2025345 PMAQI
10th Jul 2025446 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025631 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C23/32°C
11th Jul 2025684 AMAQI
11th Jul 2025655 AMAQI
11th Jul 2025656 AMAQI
11th Jul 2025657 AMAQI
11th Jul 2025668 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20251910 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025312 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025345 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025591 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
24°C22/26°C
12th Jul 2025634 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025596 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20253910 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254212 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025373 PMAQI
12th Jul 2025374 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025407 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025561 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 2025469 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20254912 PMAQI
13th Jul 2025491 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025485 PMAQI
13th Jul 2025456 PMAQI
13th Jul 2025357 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025509 PMAQI
13th Jul 20255110 PMAQI
13th Jul 20255111 PMAQI
14th Jul 20254812 AMAQI
14th Jul 2025521 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 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025261 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025243 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025245 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254510 PMAQI
14th Jul 20254411 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025491 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 2025269 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025232 PMAQI
15th Jul 2025233 PMAQI
15th Jul 2025284 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025296 PMAQI
15th Jul 2025287 PMAQI
15th Jul 2025308 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20254111 PMAQI
16th Jul 20254612 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
27°C26/28°C
16th Jul 2025524 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20253710 AMAQI
16th Jul 20252911 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025222 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025295 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20253910 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20254212 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 2025299 AMAQI
17th Jul 20252610 AMAQI
17th Jul 20252911 AMAQI
17th Jul 20253512 PMAQI
17th Jul 2025331 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025393 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025406 PMAQI
17th Jul 2025417 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20253910 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
27°C26/30°C
18th Jul 2025474 AMAQI
18th Jul 2025475 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025235 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025267 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025399 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025381 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025463 AMAQI
27°C25/30°C
19th Jul 2025454 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252011 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025213 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025348 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253311 PMAQI
20th Jul 20253412 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 2025387 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025243 PMAQI
20th Jul 2025224 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
28°C26/31°C
21st Jul 2025384 AMAQI
21st Jul 2025375 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252410 AMAQI
21st Jul 20252711 AMAQI
21st Jul 20252812 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025312 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025291 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 2025367 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025255 PMAQI
22nd Jul 2025256 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025258 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025301 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
29°C27/31°C
23rd Jul 2025354 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025356 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20253210 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20253712 PMAQI
23rd Jul 2025431 PMAQI
23rd Jul 2025472 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025344 PMAQI
23rd Jul 2025335 PMAQI
23rd Jul 2025306 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252710 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI
29°C26/31°C
24th Jul 2025344 AMAQI
24th Jul 2025365 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20254111 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025551 PMAQI
24th Jul 2025592 PMAQI
24th Jul 2025523 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025285 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025248 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025343 AMAQI
29°C26/33°C
25th Jul 2025354 AMAQI
25th Jul 2025375 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025388 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253910 AMAQI
25th Jul 20253711 AMAQI
25th Jul 20253712 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025213 PMAQI
25th Jul 2025224 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025216 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252611 PMAQI
26th Jul 20252612 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025352 AMAQI
26th Jul 2025343 AMAQI
29°C27/32°C
26th Jul 2025354 AMAQI
26th Jul 2025365 AMAQI
26th Jul 2025356 AMAQI
26th Jul 2025367 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253112 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025262 PMAQI
26th Jul 2025273 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025257 PMAQI
26th Jul 2025308 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20252910 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025342 AMAQI
27th Jul 2025333 AMAQI
29°C28/32°C
27th Jul 2025334 AMAQI
27th Jul 2025325 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025279 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025255 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025207 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025259 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252511 PMAQI
28th Jul 20252412 AMAQI
28th Jul 2025251 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025323 AMAQI
29°C27/32°C
28th Jul 2025324 AMAQI
28th Jul 2025325 AMAQI
28th Jul 2025316 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025318 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20252810 AMAQI
28th Jul 20253611 AMAQI
28th Jul 20254312 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025542 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025465 PMAQI
28th Jul 2025346 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025309 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025312 AMAQI
29th Jul 2025323 AMAQI
29°C27/33°C
29th Jul 2025334 AMAQI
29th Jul 2025345 AMAQI
29th Jul 2025336 AMAQI
29th Jul 2025327 AMAQI
29th Jul 2025338 AMAQI
29th Jul 2025269 AMAQI
29th Jul 20253510 AMAQI
29th Jul 20253911 AMAQI
29th Jul 20253912 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025542 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025454 PMAQI
29th Jul 2025415 PMAQI
29th Jul 2025286 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025259 PMAQI
29th Jul 20252510 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025323 AMAQI
30°C26/35°C
30th Jul 2025344 AMAQI
30th Jul 2025345 AMAQI
30th Jul 2025346 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025348 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252512 PMAQI
30th Jul 2025231 PMAQI
30th Jul 2025212 PMAQI
30th Jul 2025223 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025255 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025347 PMAQI
30th Jul 2025378 PMAQI
30th Jul 2025349 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025341 AMAQI
31st Jul 2025312 AMAQI
31st Jul 2025313 AMAQI
29°C26/34°C
31st Jul 2025314 AMAQI
31st Jul 2025315 AMAQI
31st Jul 2025316 AMAQI
31st Jul 2025317 AMAQI
31st Jul 2025318 AMAQI
31st Jul 2025319 AMAQI
31st Jul 20253110 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20253912 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025292 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025204 PMAQI
31st Jul 2025185 PMAQI
31st Jul 2025196 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252611 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025291 AMAQI
1st Aug 2025352 AMAQI
1st Aug 2025363 AMAQI
28°C25/32°C
1st Aug 2025364 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20253511 AMAQI
1st Aug 20253812 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025352 PMAQI
1st Aug 2025343 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025355 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025318 PMAQI
1st Aug 2025299 PMAQI
1st Aug 20253110 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
28°C25/31°C
2nd Aug 2025374 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20253511 AMAQI
2nd Aug 20254112 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025542 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025534 PMAQI
2nd Aug 2025485 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025418 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253512 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
29°C26/33°C
3rd Aug 2025394 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025479 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20256312 PMAQI
3rd Aug 2025521 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025464 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025476 PMAQI
3rd Aug 2025417 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025383 AMAQI
30°C27/35°C
4th Aug 2025414 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257410 AMAQI
4th Aug 20258311 AMAQI
4th Aug 20258612 PMAQI
4th Aug 2025901 PMAQI
4th Aug 2025922 PMAQI
4th Aug 2025883 PMAQI
4th Aug 2025884 PMAQI
4th Aug 2025885 PMAQI
4th Aug 2025866 PMAQI
4th Aug 2025757 PMAQI
4th Aug 2025688 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025421 AMAQI
5th Aug 2025412 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 2025569 AMAQI
5th Aug 20256010 AMAQI
5th Aug 20255911 AMAQI
5th Aug 20256112 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025552 PMAQI
5th Aug 2025543 PMAQI
5th Aug 2025614 PMAQI
5th Aug 2025495 PMAQI
5th Aug 2025476 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
--°C/°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025525 AMAQI
6th Aug 2025526 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 - 10 AM
41AQI
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. 41).
Night time
Avg. Highest Time
2 AM - 3 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 11 PM
40AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 45), while the lowest AQI was between 7 PM to 11 PM (Avg. 40).
2025 Days Vs Air Quality
Haruecho, Ichikawa, Chiba, Japan
2025
95%
207
5%
10
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
207 DaysModerate
10 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
Haruecho, 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
28AQI
28AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
24AQI
24AQI
4th January 2025
25AQI
25AQI
5th January 2025
23AQI
23AQI
6th January 2025
26AQI
26AQI
7th January 2025
26AQI
26AQI
8th January 2025
26AQI
26AQI
9th January 2025
26AQI
26AQI
10th January 2025
25AQI
25AQI
11th January 2025
24AQI
24AQI
12th January 2025
26AQI
26AQI
13th January 2025
24AQI
24AQI
14th January 2025
26AQI
26AQI
15th January 2025
28AQI
28AQI
16th January 2025
25AQI
25AQI
17th January 2025
31AQI
31AQI
18th January 2025
27AQI
27AQI
19th January 2025
33AQI
33AQI
20th January 2025
30AQI
30AQI
21st January 2025
34AQI
34AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
33AQI
33AQI
24th January 2025
37AQI
37AQI
25th January 2025
33AQI
33AQI
26th January 2025
33AQI
33AQI
27th January 2025
27AQI
27AQI
28th January 2025
30AQI
30AQI
29th January 2025
27AQI
27AQI
30th January 2025
28AQI
28AQI
31st January 2025
27AQI
27AQI
1st February 2025
28AQI
28AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
25AQI
25AQI
4th February 2025
30AQI
30AQI
5th February 2025
27AQI
27AQI
6th February 2025
26AQI
26AQI
7th February 2025
28AQI
28AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
26AQI
26AQI
11th February 2025
30AQI
30AQI
12th February 2025
27AQI
27AQI
13th February 2025
31AQI
31AQI
14th February 2025
27AQI
27AQI
15th February 2025
30AQI
30AQI
16th February 2025
33AQI
33AQI
17th February 2025
33AQI
33AQI
18th February 2025
31AQI
31AQI
19th February 2025
30AQI
30AQI
20th February 2025
29AQI
29AQI
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
33AQI
33AQI
27th February 2025
37AQI
37AQI
28th February 2025
38AQI
38AQI
1st March 2025
43AQI
43AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
35AQI
35AQI
4th March 2025
34AQI
34AQI
5th March 2025
24AQI
24AQI
6th March 2025
30AQI
30AQI
7th March 2025
31AQI
31AQI
8th March 2025
32AQI
32AQI
9th March 2025
34AQI
34AQI
10th March 2025
34AQI
34AQI
11th March 2025
28AQI
28AQI
12th March 2025
31AQI
31AQI
13th March 2025
30AQI
30AQI
14th March 2025
24AQI
24AQI
15th March 2025
20AQI
20AQI
16th March 2025
18AQI
18AQI
17th March 2025
15AQI
15AQI
18th March 2025
15AQI
15AQI
19th March 2025
15AQI
15AQI
20th March 2025
16AQI
16AQI
21st March 2025
24AQI
24AQI
22nd March 2025
30AQI
30AQI
23rd March 2025
34AQI
34AQI
24th March 2025
33AQI
33AQI
25th March 2025
53AQI
53AQI
26th March 2025
69AQI
69AQI
27th March 2025
62AQI
62AQI
28th March 2025
43AQI
43AQI
29th March 2025
34AQI
34AQI
30th March 2025
39AQI
39AQI
31st March 2025
30AQI
30AQI
1st April 2025
26AQI
26AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
22AQI
22AQI
4th April 2025
21AQI
21AQI
5th April 2025
20AQI
20AQI
6th April 2025
17AQI
17AQI
7th April 2025
19AQI
19AQI
8th April 2025
23AQI
23AQI
9th April 2025
17AQI
17AQI
10th April 2025
27AQI
27AQI
11th April 2025
23AQI
23AQI
12th April 2025
23AQI
23AQI
13th April 2025
19AQI
19AQI
14th April 2025
24AQI
24AQI
15th April 2025
22AQI
22AQI
16th April 2025
21AQI
21AQI
17th April 2025
29AQI
29AQI
18th April 2025
33AQI
33AQI
19th April 2025
36AQI
36AQI
20th April 2025
32AQI
32AQI
21st April 2025
28AQI
28AQI
22nd April 2025
26AQI
26AQI
23rd April 2025
18AQI
18AQI
24th April 2025
21AQI
21AQI
25th April 2025
22AQI
22AQI
26th April 2025
26AQI
26AQI
27th April 2025
27AQI
27AQI
28th April 2025
25AQI
25AQI
29th April 2025
21AQI
21AQI
30th April 2025
26AQI
26AQI
1st May 2025
24AQI
24AQI
2nd May 2025
20AQI
20AQI
3rd May 2025
18AQI
18AQI
4th May 2025
22AQI
22AQI
5th May 2025
19AQI
19AQI
6th May 2025
18AQI
18AQI
7th May 2025
15AQI
15AQI
8th May 2025
17AQI
17AQI
9th May 2025
17AQI
17AQI
10th May 2025
16AQI
16AQI
11th May 2025
17AQI
17AQI
12th May 2025
17AQI
17AQI
13th May 2025
19AQI
19AQI
14th May 2025
19AQI
19AQI
15th May 2025
20AQI
20AQI
16th May 2025
21AQI
21AQI
17th May 2025
20AQI
20AQI
18th May 2025
25AQI
25AQI
19th May 2025
22AQI
22AQI
20th May 2025
33AQI
33AQI
21st May 2025
27AQI
27AQI
22nd May 2025
27AQI
27AQI
23rd May 2025
22AQI
22AQI
24th May 2025
21AQI
21AQI
25th May 2025
18AQI
18AQI
26th May 2025
17AQI
17AQI
27th May 2025
16AQI
16AQI
28th May 2025
15AQI
15AQI
29th May 2025
16AQI
16AQI
30th May 2025
16AQI
16AQI
31st May 2025
13AQI
13AQI
1st June 2025
14AQI
14AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
21AQI
21AQI
4th June 2025
18AQI
18AQI
5th June 2025
23AQI
23AQI
6th June 2025
24AQI
24AQI
7th June 2025
24AQI
24AQI
8th June 2025
27AQI
27AQI
9th June 2025
23AQI
23AQI
10th June 2025
30AQI
30AQI
11th June 2025
24AQI
24AQI
12th June 2025
24AQI
24AQI
13th June 2025
24AQI
24AQI
14th June 2025
20AQI
20AQI
15th June 2025
25AQI
25AQI
16th June 2025
22AQI
22AQI
17th June 2025
32AQI
32AQI
18th June 2025
30AQI
30AQI
19th June 2025
29AQI
29AQI
20th June 2025
26AQI
26AQI
21st June 2025
20AQI
20AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
13AQI
13AQI
24th June 2025
14AQI
14AQI
25th June 2025
15AQI
15AQI
26th June 2025
15AQI
15AQI
27th June 2025
18AQI
18AQI
28th June 2025
17AQI
17AQI
29th June 2025
20AQI
20AQI
30th June 2025
37AQI
37AQI
1st July 2025
38AQI
38AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
41AQI
41AQI
4th July 2025
45AQI
45AQI
5th July 2025
53AQI
53AQI
6th July 2025
70AQI
70AQI
7th July 2025
84AQI
84AQI
8th July 2025
82AQI
82AQI
9th July 2025
78AQI
78AQI
10th July 2025
55AQI
55AQI
11th July 2025
49AQI
49AQI
12th July 2025
50AQI
50AQI
13th July 2025
50AQI
50AQI
14th July 2025
40AQI
40AQI
15th July 2025
38AQI
38AQI
16th July 2025
39AQI
39AQI
17th July 2025
41AQI
41AQI
18th July 2025
36AQI
36AQI
19th July 2025
32AQI
32AQI
20th July 2025
31AQI
31AQI
21st July 2025
33AQI
33AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
33AQI
33AQI
24th July 2025
34AQI
34AQI
25th July 2025
30AQI
30AQI
26th July 2025
29AQI
29AQI
27th July 2025
27AQI
27AQI
28th July 2025
34AQI
34AQI
29th July 2025
32AQI
32AQI
30th July 2025
29AQI
29AQI
31st July 2025
29AQI
29AQI
1st August 2025
33AQI
33AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
61AQI
61AQI
5th August 2025
50AQI
50AQI
28AQI
30AQI
32AQI
24AQI
20AQI
22AQI
43AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
28
3
30
31
30
25
6
4
1
207
10
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
May20AQI
202436AQI
28
3
27
2
25
6
23
7
29
2
30
27
3
31
24
5
31
29
1
31
335
29
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
December25AQI
202339AQI
26
5
22
6
26
5
23
7
26
5
22
8
26
5
28
3
29
1
30
1
22
7
23
8
303
61
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August28AQI
202231AQI
31
21
31
29
1
31
29
1
19
3
1
28
28
3
22
8
28
3
298
19
Highest AQI recorded in
November38AQI
Lowest AQI recorded in
August22AQI
202122AQI
31
28
30
1
30
29
2
26
4
31
29
2
30
31
30
31
356
9
Highest AQI recorded in
June36AQI
Lowest AQI recorded in
February11AQI
202015AQI
13
21
18
30
31
31
19
31
30
31
255
Highest AQI recorded in
June20AQI
Lowest AQI recorded in
September11AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
15AQIHaruecho's annual 2025 AQI (29) shows an average percentage change of 14.04% (worsened AQI) compared to previous years: 2020 (15), 2021 (22), 2022 (31), 2023 (39), 2024 (36).
