Yawata, 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
Yawata, Ichikawa, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
26th Aug 2021
69AQILowest AQI recorded on
8th Aug 2021
11AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 60 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
Yawata, Ichikawa, Chiba, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
10AM5th Aug
62AQI
Avg. Lowest Time
4AM5th Aug
50AQI
Night time
Avg. Highest Time
10PM5th Aug
52AQI
Avg. Lowest Time
12AM6th Aug
46AQI
In the last 24 hours,
Yawata's AQI reached its highest point of 62 at 10 AM during the Day, 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
Yawata, 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 2025504 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025558 AMAQI
7th Jul 20251049 AMAQI
7th Jul 202511910 AMAQI
7th Jul 202511011 AMAQI
7th Jul 202510612 PMAQI
7th Jul 2025991 PMAQI
7th Jul 2025932 PMAQI
7th Jul 2025903 PMAQI
7th Jul 2025944 PMAQI
7th Jul 2025935 PMAQI
7th Jul 20251046 PMAQI
7th Jul 20251117 PMAQI
7th Jul 20251008 PMAQI
7th Jul 2025789 PMAQI
7th Jul 20257810 PMAQI
7th Jul 20258011 PMAQI
8th Jul 20257312 AMAQI
8th Jul 2025581 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025553 AMAQI
30°C27/34°C
8th Jul 2025594 AMAQI
8th Jul 2025645 AMAQI
8th Jul 2025646 AMAQI
8th Jul 2025647 AMAQI
8th Jul 2025648 AMAQI
8th Jul 20251039 AMAQI
8th Jul 202511110 AMAQI
8th Jul 202510411 AMAQI
8th Jul 20259812 PMAQI
8th Jul 2025821 PMAQI
8th Jul 2025812 PMAQI
8th Jul 2025863 PMAQI
8th Jul 2025864 PMAQI
8th Jul 2025835 PMAQI
8th Jul 2025866 PMAQI
8th Jul 2025897 PMAQI
8th Jul 2025838 PMAQI
8th Jul 2025789 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20258111 PMAQI
9th Jul 20257612 AMAQI
9th Jul 2025641 AMAQI
9th Jul 2025622 AMAQI
9th Jul 2025623 AMAQI
29°C27/33°C
9th Jul 2025654 AMAQI
9th Jul 2025705 AMAQI
9th Jul 2025706 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025789 AMAQI
9th Jul 20258310 AMAQI
9th Jul 20259211 AMAQI
9th Jul 20259412 PMAQI
9th Jul 2025941 PMAQI
9th Jul 2025962 PMAQI
9th Jul 20251093 PMAQI
9th Jul 20251164 PMAQI
9th Jul 2025845 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025497 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025599 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025683 AMAQI
29°C27/33°C
10th Jul 2025714 AMAQI
10th Jul 2025745 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025757 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025519 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025321 PMAQI
10th Jul 2025292 PMAQI
10th Jul 2025353 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025395 PMAQI
10th Jul 2025526 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255610 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20256012 AMAQI
11th Jul 2025671 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C22/34°C
11th Jul 2025684 AMAQI
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025657 AMAQI
11th Jul 2025648 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20251610 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20251912 PMAQI
11th Jul 2025221 PMAQI
11th Jul 2025262 PMAQI
11th Jul 2025283 PMAQI
11th Jul 2025264 PMAQI
11th Jul 2025285 PMAQI
11th Jul 2025286 PMAQI
11th Jul 2025257 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025641 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
23°C22/27°C
12th Jul 2025634 AMAQI
12th Jul 2025595 AMAQI
12th Jul 2025586 AMAQI
12th Jul 2025587 AMAQI
12th Jul 2025588 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253712 PMAQI
12th Jul 2025381 PMAQI
12th Jul 2025352 PMAQI
12th Jul 2025363 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025356 PMAQI
12th Jul 2025317 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025529 PMAQI
12th Jul 20255110 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255412 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 2025429 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20254211 AMAQI
13th Jul 20254712 PMAQI
13th Jul 2025411 PMAQI
13th Jul 2025402 PMAQI
13th Jul 2025443 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025435 PMAQI
13th Jul 2025316 PMAQI
13th Jul 2025227 PMAQI
13th Jul 2025328 PMAQI
13th Jul 2025449 PMAQI
13th Jul 20254310 PMAQI
13th Jul 20254611 PMAQI
14th Jul 20254512 AMAQI
14th Jul 2025541 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 2025568 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251611 AMAQI
14th Jul 20252612 PMAQI
14th Jul 2025221 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025205 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025267 PMAQI
14th Jul 2025328 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254112 AMAQI
15th Jul 2025491 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025553 AMAQI
26°C24/29°C
15th Jul 2025544 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252312 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025202 PMAQI
15th Jul 2025253 PMAQI
15th Jul 2025254 PMAQI
15th Jul 2025235 PMAQI
15th Jul 2025296 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253810 PMAQI
15th Jul 20254011 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
27°C26/29°C
16th Jul 2025524 AMAQI
16th Jul 2025485 AMAQI
16th Jul 2025496 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025419 AMAQI
16th Jul 20252810 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20251812 PMAQI
16th Jul 2025221 PMAQI
16th Jul 2025242 PMAQI
16th Jul 2025253 PMAQI
16th Jul 2025244 PMAQI
16th Jul 2025235 PMAQI
16th Jul 2025236 PMAQI
16th Jul 2025187 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253711 PMAQI
17th Jul 20253612 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
27°C26/28°C
17th Jul 2025494 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20253110 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20252912 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025343 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025276 PMAQI
17th Jul 2025327 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20253810 PMAQI
17th Jul 20253811 PMAQI
18th Jul 20254012 AMAQI
18th Jul 2025471 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C26/30°C
18th Jul 2025464 AMAQI
18th Jul 2025445 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025447 AMAQI
18th Jul 2025438 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025193 PMAQI
18th Jul 2025174 PMAQI
18th Jul 2025185 PMAQI
18th Jul 2025206 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253610 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253212 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
27°C25/30°C
19th Jul 2025444 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025416 AMAQI
19th Jul 2025417 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251712 PMAQI
19th Jul 2025201 PMAQI
19th Jul 2025212 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025319 PMAQI
19th Jul 20253110 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025423 AMAQI
28°C25/31°C
20th Jul 2025404 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252112 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025246 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025349 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20253111 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
28°C26/31°C
21st Jul 2025384 AMAQI
21st Jul 2025365 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025319 AMAQI
21st Jul 20253110 AMAQI
21st Jul 20252611 AMAQI
21st Jul 20252812 PMAQI
21st Jul 2025261 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025273 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025255 PMAQI
21st Jul 2025276 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025298 PMAQI
21st Jul 2025289 PMAQI
21st Jul 20252710 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252412 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025383 AMAQI
29°C27/33°C
22nd Jul 2025364 AMAQI
22nd Jul 2025365 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025368 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20252911 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025411 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025433 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025207 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025321 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
29°C27/33°C
23rd Jul 2025364 AMAQI
23rd Jul 2025355 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253411 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025423 PMAQI
23rd Jul 2025404 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025316 PMAQI
23rd Jul 2025287 PMAQI
23rd Jul 2025328 PMAQI
23rd Jul 2025349 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252412 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025353 AMAQI
29°C27/33°C
24th Jul 2025364 AMAQI
24th Jul 2025365 AMAQI
24th Jul 2025376 AMAQI
24th Jul 2025367 AMAQI
24th Jul 2025368 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20254611 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025561 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025553 PMAQI
24th Jul 2025404 PMAQI
24th Jul 2025275 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025207 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20252710 PMAQI
24th Jul 20252711 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025353 AMAQI
29°C27/34°C
25th Jul 2025374 AMAQI
25th Jul 2025405 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025397 AMAQI
25th Jul 2025398 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253510 AMAQI
25th Jul 20254311 AMAQI
25th Jul 20253412 PMAQI
25th Jul 2025351 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025184 PMAQI
25th Jul 2025205 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025207 PMAQI
25th Jul 2025258 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252912 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 2025376 AMAQI
26th Jul 2025367 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025281 PMAQI
26th Jul 2025242 PMAQI
26th Jul 2025203 PMAQI
26th Jul 2025224 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025258 PMAQI
26th Jul 2025309 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025352 AMAQI
27th Jul 2025343 AMAQI
30°C28/33°C
27th Jul 2025354 AMAQI
27th Jul 2025335 AMAQI
27th Jul 2025336 AMAQI
27th Jul 2025337 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20254411 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025215 PMAQI
27th Jul 2025176 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252312 AMAQI
28th Jul 2025291 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 2025337 AMAQI
28th Jul 2025328 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252611 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025541 PMAQI
28th Jul 2025612 PMAQI
28th Jul 2025563 PMAQI
28th Jul 2025514 PMAQI
28th Jul 2025365 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025267 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025311 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025323 AMAQI
30°C27/35°C
29th Jul 2025344 AMAQI
29th Jul 2025355 AMAQI
29th Jul 2025346 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20253110 AMAQI
29th Jul 20253211 AMAQI
29th Jul 20254012 PMAQI
29th Jul 2025401 PMAQI
29th Jul 2025392 PMAQI
29th Jul 2025373 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025246 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252510 PMAQI
29th Jul 20252311 PMAQI
30th Jul 20252212 AMAQI
30th Jul 2025321 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025333 AMAQI
31°C26/37°C
30th Jul 2025334 AMAQI
30th Jul 2025335 AMAQI
30th Jul 2025336 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20251810 AMAQI
30th Jul 20252011 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025201 PMAQI
30th Jul 2025172 PMAQI
30th Jul 2025203 PMAQI
30th Jul 2025224 PMAQI
30th Jul 2025225 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025338 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 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 20253511 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025273 PMAQI
31st Jul 2025254 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025258 PMAQI
31st Jul 2025279 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20252411 PMAQI
1st Aug 20252612 AMAQI
1st Aug 2025281 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI
28°C25/33°C
1st Aug 2025334 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025356 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20254211 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025382 PMAQI
1st Aug 2025263 PMAQI
1st Aug 2025344 PMAQI
1st Aug 2025265 PMAQI
1st Aug 2025316 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025259 PMAQI
1st Aug 20252810 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025373 AMAQI
28°C25/32°C
2nd Aug 2025364 AMAQI
2nd Aug 2025385 AMAQI
2nd Aug 2025366 AMAQI
2nd Aug 2025357 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025279 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254811 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025592 PMAQI
2nd Aug 2025583 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20254111 PMAQI
3rd Aug 20253212 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025373 AMAQI
30°C26/34°C
3rd Aug 2025414 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20256212 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025474 PMAQI
3rd Aug 2025465 PMAQI
3rd Aug 2025506 PMAQI
3rd Aug 2025457 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254411 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
31°C27/36°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025649 AMAQI
4th Aug 20256910 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258612 PMAQI
4th Aug 2025951 PMAQI
4th Aug 20251002 PMAQI
4th Aug 2025883 PMAQI
4th Aug 2025904 PMAQI
4th Aug 2025865 PMAQI
4th Aug 2025836 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025688 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20255810 PMAQI
4th Aug 20255511 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025481 AMAQI
5th Aug 2025422 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 2025548 AMAQI
5th Aug 2025579 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256212 PMAQI
5th Aug 2025591 PMAQI
5th Aug 2025582 PMAQI
5th Aug 2025603 PMAQI
5th Aug 2025624 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025546 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20255210 PMAQI
5th Aug 20254911 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
31°C29/35°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025535 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025537 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025509 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20255211 AMAQI
11 AM6th Aug 20256212 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025602 PMAQI
6th Aug 2025593 PMAQI
6th Aug 2025574 PMAQI
6th Aug 2025605 PMAQI
6th Aug 2025566 PMAQI
6 PM6th Aug 2025577 PMAQI
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
5 PM - 6 PM
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 5 PM to 6 PM (Avg. 39).
Night time
Avg. Highest Time
1 AM - 3 AM
45AQI
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. 45), while the lowest AQI was between 7 PM to 7 PM (Avg. 36).
2025 Days Vs Air Quality
Yawata, Ichikawa, Chiba, Japan
2025
89%
193
11%
23
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
193 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 218 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
Yawata, 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
31AQI
31AQI
3rd January 2025
25AQI
25AQI
4th January 2025
30AQI
30AQI
5th January 2025
37AQI
37AQI
6th January 2025
50AQI
50AQI
7th January 2025
33AQI
33AQI
8th January 2025
34AQI
34AQI
9th January 2025
29AQI
29AQI
10th January 2025
28AQI
28AQI
11th January 2025
32AQI
32AQI
12th January 2025
40AQI
40AQI
13th January 2025
30AQI
30AQI
14th January 2025
44AQI
44AQI
15th January 2025
37AQI
37AQI
16th January 2025
35AQI
35AQI
17th January 2025
32AQI
32AQI
18th January 2025
35AQI
35AQI
19th January 2025
50AQI
50AQI
20th January 2025
41AQI
41AQI
21st January 2025
41AQI
41AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
52AQI
52AQI
24th January 2025
47AQI
47AQI
25th January 2025
43AQI
43AQI
26th January 2025
36AQI
36AQI
27th January 2025
42AQI
42AQI
28th January 2025
40AQI
40AQI
29th January 2025
33AQI
33AQI
30th January 2025
35AQI
35AQI
31st January 2025
30AQI
30AQI
1st February 2025
41AQI
41AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
39AQI
39AQI
4th February 2025
31AQI
31AQI
5th February 2025
32AQI
32AQI
6th February 2025
27AQI
27AQI
7th February 2025
29AQI
29AQI
8th February 2025
28AQI
28AQI
9th February 2025
29AQI
29AQI
10th February 2025
28AQI
28AQI
11th February 2025
30AQI
30AQI
12th February 2025
33AQI
33AQI
13th February 2025
32AQI
32AQI
14th February 2025
29AQI
29AQI
15th February 2025
30AQI
30AQI
16th February 2025
36AQI
36AQI
17th February 2025
36AQI
36AQI
18th February 2025
31AQI
31AQI
19th February 2025
30AQI
30AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
32AQI
32AQI
26th February 2025
37AQI
37AQI
27th February 2025
38AQI
38AQI
28th February 2025
57AQI
57AQI
1st March 2025
51AQI
51AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
40AQI
40AQI
4th March 2025
40AQI
40AQI
5th March 2025
24AQI
24AQI
6th March 2025
34AQI
34AQI
7th March 2025
31AQI
31AQI
8th March 2025
33AQI
33AQI
9th March 2025
34AQI
34AQI
10th March 2025
35AQI
35AQI
11th March 2025
43AQI
43AQI
12th March 2025
46AQI
46AQI
13th March 2025
41AQI
41AQI
14th March 2025
38AQI
38AQI
15th March 2025
35AQI
35AQI
16th March 2025
25AQI
25AQI
17th March 2025
19AQI
19AQI
18th March 2025
24AQI
24AQI
19th March 2025
16AQI
16AQI
20th March 2025
24AQI
24AQI
21st March 2025
42AQI
42AQI
22nd March 2025
50AQI
50AQI
23rd March 2025
56AQI
56AQI
24th March 2025
53AQI
53AQI
25th March 2025
67AQI
67AQI
26th March 2025
77AQI
77AQI
27th March 2025
69AQI
69AQI
28th March 2025
51AQI
51AQI
29th March 2025
38AQI
38AQI
30th March 2025
40AQI
40AQI
31st March 2025
31AQI
31AQI
1st April 2025
29AQI
29AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
20AQI
20AQI
4th April 2025
19AQI
19AQI
5th April 2025
24AQI
24AQI
6th April 2025
25AQI
25AQI
7th April 2025
30AQI
30AQI
8th April 2025
39AQI
39AQI
9th April 2025
26AQI
26AQI
10th April 2025
48AQI
48AQI
11th April 2025
37AQI
37AQI
12th April 2025
40AQI
40AQI
13th April 2025
30AQI
30AQI
14th April 2025
42AQI
42AQI
15th April 2025
31AQI
31AQI
16th April 2025
37AQI
37AQI
17th April 2025
46AQI
46AQI
18th April 2025
52AQI
52AQI
19th April 2025
63AQI
63AQI
20th April 2025
51AQI
51AQI
21st April 2025
44AQI
44AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
31AQI
31AQI
24th April 2025
43AQI
43AQI
25th April 2025
40AQI
40AQI
26th April 2025
49AQI
49AQI
27th April 2025
48AQI
48AQI
28th April 2025
46AQI
46AQI
29th April 2025
36AQI
36AQI
30th April 2025
47AQI
47AQI
1st May 2025
40AQI
40AQI
2nd May 2025
29AQI
29AQI
3rd May 2025
33AQI
33AQI
4th May 2025
38AQI
38AQI
5th May 2025
36AQI
36AQI
6th May 2025
28AQI
28AQI
7th May 2025
26AQI
26AQI
8th May 2025
28AQI
28AQI
9th May 2025
30AQI
30AQI
10th May 2025
25AQI
25AQI
11th May 2025
30AQI
30AQI
12th May 2025
27AQI
27AQI
13th May 2025
36AQI
36AQI
14th May 2025
34AQI
34AQI
15th May 2025
39AQI
39AQI
16th May 2025
42AQI
42AQI
17th May 2025
31AQI
31AQI
18th May 2025
46AQI
46AQI
19th May 2025
42AQI
42AQI
20th May 2025
63AQI
63AQI
21st May 2025
44AQI
44AQI
22nd May 2025
43AQI
43AQI
23rd May 2025
39AQI
39AQI
24th May 2025
37AQI
37AQI
25th May 2025
29AQI
29AQI
26th May 2025
27AQI
27AQI
27th May 2025
24AQI
24AQI
28th May 2025
23AQI
23AQI
29th May 2025
28AQI
28AQI
30th May 2025
26AQI
26AQI
31st May 2025
18AQI
18AQI
1st June 2025
24AQI
24AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
35AQI
35AQI
4th June 2025
36AQI
36AQI
5th June 2025
41AQI
41AQI
6th June 2025
47AQI
47AQI
7th June 2025
49AQI
49AQI
8th June 2025
56AQI
56AQI
9th June 2025
42AQI
42AQI
10th June 2025
35AQI
35AQI
11th June 2025
31AQI
31AQI
12th June 2025
42AQI
42AQI
13th June 2025
43AQI
43AQI
14th June 2025
36AQI
36AQI
15th June 2025
39AQI
39AQI
16th June 2025
41AQI
41AQI
17th June 2025
51AQI
51AQI
18th June 2025
45AQI
45AQI
19th June 2025
44AQI
44AQI
20th June 2025
41AQI
41AQI
21st June 2025
32AQI
32AQI
22nd June 2025
25AQI
25AQI
23rd June 2025
26AQI
26AQI
24th June 2025
26AQI
26AQI
25th June 2025
21AQI
21AQI
26th June 2025
22AQI
22AQI
27th June 2025
33AQI
33AQI
28th June 2025
31AQI
31AQI
29th June 2025
37AQI
37AQI
30th June 2025
39AQI
39AQI
1st July 2025
39AQI
39AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
40AQI
40AQI
4th July 2025
45AQI
45AQI
5th July 2025
53AQI
53AQI
6th July 2025
69AQI
69AQI
7th July 2025
80AQI
80AQI
8th July 2025
78AQI
78AQI
9th July 2025
71AQI
71AQI
10th July 2025
54AQI
54AQI
11th July 2025
45AQI
45AQI
12th July 2025
48AQI
48AQI
13th July 2025
46AQI
46AQI
14th July 2025
39AQI
39AQI
15th July 2025
37AQI
37AQI
16th July 2025
37AQI
37AQI
17th July 2025
39AQI
39AQI
18th July 2025
33AQI
33AQI
19th July 2025
31AQI
31AQI
20th July 2025
30AQI
30AQI
21st July 2025
32AQI
32AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
35AQI
35AQI
24th July 2025
36AQI
36AQI
25th July 2025
31AQI
31AQI
26th July 2025
30AQI
30AQI
27th July 2025
28AQI
28AQI
28th July 2025
34AQI
34AQI
29th July 2025
30AQI
30AQI
30th July 2025
28AQI
28AQI
31st July 2025
29AQI
29AQI
1st August 2025
31AQI
31AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
45AQI
45AQI
4th August 2025
60AQI
60AQI
37AQI
33AQI
41AQI
38AQI
34AQI
37AQI
42AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
30
1
27
1
23
8
27
3
30
1
28
2
25
6
3
1
193
23
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
February33AQI
202437AQI
26
5
27
2
26
5
22
8
27
4
28
2
19
12
30
1
28
2
30
1
26
4
30
1
319
47
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
September29AQI
202340AQI
24
7
22
6
26
5
22
8
26
5
18
12
21
10
29
2
30
27
4
21
8
22
9
288
76
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August28AQI
202238AQI
27
4
17
4
24
7
21
9
25
6
24
6
20
4
1
29
26
5
23
7
29
2
266
54
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August19AQI
202135AQI
22
8
22
6
26
5
27
3
27
4
27
3
29
2
28
3
30
27
2
23
7
20
11
308
54
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
August29AQI
202033AQI
11
2
20
1
18
25
5
31
23
8
19
29
2
21
9
20
11
217
38
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
40AQILeast Polluted Year Recorded
2020(Avg.)
33AQIYawata's annual 2025 AQI (38) shows an average percentage change of 3.09% (worsened AQI) compared to previous years: 2020 (33), 2021 (35), 2022 (38), 2023 (40), 2024 (37).
