Sosa, 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
Sosa, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
60AQILowest AQI recorded on
25th Aug 2023
11AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Sosa, Chiba, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
5PM7th Aug
58AQI
Avg. Lowest Time
12PM7th Aug
27AQI
Night time
Avg. Highest Time
8PM7th Aug
50AQI
Avg. Lowest Time
11PM7th Aug
46AQI
In the last 24 hours,
Sosa's AQI reached its highest point of 58 at 5 PM during the Day, while the lowest point, 27, was recorded at 12 PM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Sosa, Chiba, Japan
JulAug
09th - 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 - 08th08th
Day
Night
9th Jul 2025604 AMAQI
9th Jul 2025625 AMAQI
9th Jul 2025626 AMAQI
9th Jul 2025627 AMAQI
9th Jul 2025628 AMAQI
9th Jul 2025779 AMAQI
9th Jul 20258810 AMAQI
9th Jul 20259011 AMAQI
9th Jul 20259412 PMAQI
9th Jul 2025881 PMAQI
9th Jul 2025832 PMAQI
9th Jul 2025663 PMAQI
9th Jul 2025554 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025507 PMAQI
9th Jul 2025538 PMAQI
9th Jul 2025599 PMAQI
9th Jul 20255910 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025651 AMAQI
10th Jul 2025652 AMAQI
10th Jul 2025653 AMAQI
30°C26/34°C
10th Jul 2025664 AMAQI
10th Jul 2025685 AMAQI
10th Jul 2025706 AMAQI
10th Jul 2025707 AMAQI
10th Jul 2025688 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20252210 AMAQI
10th Jul 20252611 AMAQI
10th Jul 20252612 PMAQI
10th Jul 2025401 PMAQI
10th Jul 2025392 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025527 PMAQI
10th Jul 2025558 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025632 AMAQI
11th Jul 2025643 AMAQI
27°C22/33°C
11th Jul 2025634 AMAQI
11th Jul 2025605 AMAQI
11th Jul 2025606 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20252610 AMAQI
11th Jul 20252911 AMAQI
11th Jul 20253812 PMAQI
11th Jul 2025451 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025475 PMAQI
11th Jul 2025506 PMAQI
11th Jul 2025527 PMAQI
11th Jul 2025528 PMAQI
11th Jul 2025579 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025591 AMAQI
12th Jul 2025602 AMAQI
12th Jul 2025603 AMAQI
22°C21/24°C
12th Jul 2025604 AMAQI
12th Jul 2025575 AMAQI
12th Jul 2025576 AMAQI
12th Jul 2025577 AMAQI
12th Jul 2025578 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025455 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025559 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025572 AMAQI
13th Jul 2025573 AMAQI
23°C21/26°C
13th Jul 2025574 AMAQI
13th Jul 2025565 AMAQI
13th Jul 2025566 AMAQI
13th Jul 2025567 AMAQI
13th Jul 2025568 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20253710 AMAQI
13th Jul 20253211 AMAQI
13th Jul 20253212 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025412 PMAQI
13th Jul 2025403 PMAQI
13th Jul 2025384 PMAQI
13th Jul 2025385 PMAQI
13th Jul 2025356 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255310 PMAQI
13th Jul 20255211 PMAQI
14th Jul 20255212 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
26°C23/30°C
14th Jul 2025554 AMAQI
14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025269 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20252112 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025372 PMAQI
14th Jul 2025363 PMAQI
14th Jul 2025354 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025377 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255112 AMAQI
15th Jul 2025531 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
26°C24/29°C
15th Jul 2025534 AMAQI
15th Jul 2025525 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20251610 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20253112 PMAQI
15th Jul 2025371 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025383 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025448 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254710 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254912 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
26°C25/27°C
16th Jul 2025524 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025309 AMAQI
16th Jul 20252710 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20252412 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025282 PMAQI
16th Jul 2025303 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025385 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254712 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025503 AMAQI
25°C25/27°C
17th Jul 2025514 AMAQI
17th Jul 2025485 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025487 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025389 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025342 PMAQI
17th Jul 2025363 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025356 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025368 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C25/32°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025458 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252312 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025274 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025409 PMAQI
18th Jul 20254010 PMAQI
18th Jul 20253911 PMAQI
19th Jul 20253812 AMAQI
19th Jul 2025441 AMAQI
19th Jul 2025442 AMAQI
19th Jul 2025453 AMAQI
28°C25/32°C
19th Jul 2025444 AMAQI
19th Jul 2025415 AMAQI
19th Jul 2025416 AMAQI
19th Jul 2025417 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251710 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025252 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025412 AMAQI
20th Jul 2025423 AMAQI
28°C25/31°C
20th Jul 2025414 AMAQI
20th Jul 2025405 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025263 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025348 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
29°C25/34°C
21st Jul 2025404 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20253310 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025351 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025296 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025383 AMAQI
30°C26/35°C
22nd Jul 2025384 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20252710 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025281 PMAQI
22nd Jul 2025272 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025284 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025237 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20253110 PMAQI
22nd Jul 20253211 PMAQI
23rd Jul 20253212 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
30°C26/35°C
23rd Jul 2025364 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20252110 AMAQI
23rd Jul 20252711 AMAQI
23rd Jul 20253312 PMAQI
23rd Jul 2025311 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025274 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253111 PMAQI
24th Jul 20253112 AMAQI
24th Jul 2025341 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025343 AMAQI
30°C25/35°C
24th Jul 2025344 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025279 AMAQI
24th Jul 20253010 AMAQI
24th Jul 20253411 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025303 PMAQI
24th Jul 2025274 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025237 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
30°C25/36°C
25th Jul 2025334 AMAQI
25th Jul 2025345 AMAQI
25th Jul 2025346 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025229 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025292 PMAQI
25th Jul 2025263 PMAQI
25th Jul 2025234 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025236 PMAQI
25th Jul 2025217 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252711 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
31°C26/37°C
26th Jul 2025324 AMAQI
26th Jul 2025335 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025327 AMAQI
26th Jul 2025328 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025271 PMAQI
26th Jul 2025272 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025313 AMAQI
31°C26/36°C
27th Jul 2025324 AMAQI
27th Jul 2025305 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025252 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025312 AMAQI
28th Jul 2025313 AMAQI
30°C26/36°C
28th Jul 2025314 AMAQI
28th Jul 2025305 AMAQI
28th Jul 2025306 AMAQI
28th Jul 2025307 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20252110 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252912 PMAQI
28th Jul 2025291 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025225 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025237 PMAQI
28th Jul 2025258 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025303 AMAQI
30°C25/35°C
29th Jul 2025304 AMAQI
29th Jul 2025295 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025219 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20252412 PMAQI
29th Jul 2025261 PMAQI
29th Jul 2025242 PMAQI
29th Jul 2025213 PMAQI
29th Jul 2025204 PMAQI
29th Jul 2025185 PMAQI
29th Jul 2025206 PMAQI
29th Jul 2025227 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252410 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025251 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
30°C25/35°C
30th Jul 2025284 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025286 AMAQI
30th Jul 2025287 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252412 PMAQI
30th Jul 2025251 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253012 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025263 AMAQI
28°C24/33°C
31st Jul 2025284 AMAQI
31st Jul 2025285 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20254112 PMAQI
31st Jul 2025331 PMAQI
31st Jul 2025322 PMAQI
31st Jul 2025303 PMAQI
31st Jul 2025344 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025316 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025298 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025341 AMAQI
1st Aug 2025362 AMAQI
1st Aug 2025363 AMAQI
27°C23/31°C
1st Aug 2025344 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025388 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20253211 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025273 PMAQI
1st Aug 2025454 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253310 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025383 AMAQI
26°C24/30°C
2nd Aug 2025394 AMAQI
2nd Aug 2025405 AMAQI
2nd Aug 2025406 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253410 AMAQI
2nd Aug 20254211 AMAQI
2nd Aug 20253112 PMAQI
2nd Aug 2025391 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025465 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253012 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025382 AMAQI
3rd Aug 2025383 AMAQI
29°C25/36°C
3rd Aug 2025384 AMAQI
3rd Aug 2025385 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025387 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20254610 AMAQI
3rd Aug 20254411 AMAQI
3rd Aug 20255512 PMAQI
3rd Aug 2025491 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025443 PMAQI
3rd Aug 2025454 PMAQI
3rd Aug 2025415 PMAQI
3rd Aug 2025486 PMAQI
3rd Aug 2025427 PMAQI
3rd Aug 2025438 PMAQI
3rd Aug 2025389 PMAQI
3rd Aug 20254010 PMAQI
3rd Aug 20253811 PMAQI
4th Aug 20253412 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025383 AMAQI
29°C26/33°C
4th Aug 2025394 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025407 AMAQI
4th Aug 2025418 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20256710 AMAQI
4th Aug 20257911 AMAQI
4th Aug 20258212 PMAQI
4th Aug 2025891 PMAQI
4th Aug 2025942 PMAQI
4th Aug 2025783 PMAQI
4th Aug 2025874 PMAQI
4th Aug 2025875 PMAQI
4th Aug 2025806 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255011 PMAQI
5th Aug 20254912 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025392 AMAQI
5th Aug 2025393 AMAQI
30°C26/36°C
5th Aug 2025484 AMAQI
5th Aug 2025495 AMAQI
5th Aug 2025456 AMAQI
5th Aug 2025467 AMAQI
5th Aug 2025468 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20255610 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20255312 PMAQI
5th Aug 2025551 PMAQI
5th Aug 2025542 PMAQI
5th Aug 2025583 PMAQI
5th Aug 2025644 PMAQI
5th Aug 2025535 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025477 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025459 PMAQI
5th Aug 20254110 PMAQI
5th Aug 20253911 PMAQI
6th Aug 20253912 AMAQI
6th Aug 2025451 AMAQI
6th Aug 2025462 AMAQI
6th Aug 2025463 AMAQI
31°C27/37°C
6th Aug 2025484 AMAQI
6th Aug 2025485 AMAQI
6th Aug 2025496 AMAQI
6th Aug 2025507 AMAQI
6th Aug 2025498 AMAQI
6th Aug 2025429 AMAQI
6th Aug 20254110 AMAQI
6th Aug 20253811 AMAQI
6th Aug 20255112 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025532 PMAQI
6th Aug 2025463 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025545 PMAQI
6th Aug 2025556 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025488 PMAQI
6th Aug 2025429 PMAQI
6th Aug 20254610 PMAQI
6th Aug 20254111 PMAQI
7th Aug 20254412 AMAQI
7th Aug 2025441 AMAQI
7th Aug 2025462 AMAQI
7th Aug 2025453 AMAQI
32°C27/37°C
7th Aug 2025434 AMAQI
7th Aug 2025425 AMAQI
7th Aug 2025446 AMAQI
7th Aug 2025427 AMAQI
7th Aug 2025428 AMAQI
7th Aug 2025329 AMAQI
7th Aug 20253510 AMAQI
7th Aug 20253811 AMAQI
7th Aug 20252712 PMAQI
7th Aug 2025321 PMAQI
7th Aug 2025422 PMAQI
7th Aug 2025383 PMAQI
7th Aug 2025464 PMAQI
7th Aug 2025585 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025497 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025479 PMAQI
7th Aug 20254610 PMAQI
7th Aug 20254611 PMAQI
8th Aug 20254712 AMAQI
8th Aug 2025471 AMAQI
8th Aug 2025482 AMAQI
8th Aug 2025483 AMAQI
31°C27/36°C
8th Aug 2025464 AMAQI
4 AM8th Aug 2025425 AMAQI
8th Aug 2025426 AMAQI
8th Aug 2025427 AMAQI
8th Aug 2025428 AMAQI
8th Aug 2025459 AMAQI
8th Aug 20254510 AMAQI
8th Aug 20255311 AMAQI
11 AM8th Aug 20255312 PMAQI
8th Aug 2025541 PMAQI
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
43AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
34AQI
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. 43), while the lowest AQI was between 9 AM to 10 AM (Avg. 34).
Night time
Avg. Highest Time
12 AM - 3 AM
42AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
37AQI
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. 42), while the lowest AQI was between 7 PM to 8 PM (Avg. 37).
2025 Days Vs Air Quality
Sosa, Chiba, Japan
2025
92%
200
8%
18
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
200 DaysModerate
18 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 220 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
Sosa, 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
37AQI
37AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
28AQI
28AQI
4th January 2025
28AQI
28AQI
5th January 2025
36AQI
36AQI
6th January 2025
56AQI
56AQI
7th January 2025
32AQI
32AQI
8th January 2025
37AQI
37AQI
9th January 2025
29AQI
29AQI
10th January 2025
30AQI
30AQI
11th January 2025
33AQI
33AQI
12th January 2025
28AQI
28AQI
13th January 2025
30AQI
30AQI
14th January 2025
34AQI
34AQI
15th January 2025
40AQI
40AQI
16th January 2025
36AQI
36AQI
17th January 2025
32AQI
32AQI
18th January 2025
37AQI
37AQI
19th January 2025
47AQI
47AQI
20th January 2025
45AQI
45AQI
21st January 2025
41AQI
41AQI
22nd January 2025
42AQI
42AQI
23rd January 2025
41AQI
41AQI
24th January 2025
40AQI
40AQI
25th January 2025
35AQI
35AQI
26th January 2025
34AQI
34AQI
27th January 2025
37AQI
37AQI
28th January 2025
38AQI
38AQI
29th January 2025
32AQI
32AQI
30th January 2025
32AQI
32AQI
31st January 2025
33AQI
33AQI
1st February 2025
38AQI
38AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
35AQI
35AQI
4th February 2025
32AQI
32AQI
5th February 2025
32AQI
32AQI
6th February 2025
31AQI
31AQI
7th February 2025
31AQI
31AQI
8th February 2025
31AQI
31AQI
9th February 2025
32AQI
32AQI
10th February 2025
34AQI
34AQI
11th February 2025
33AQI
33AQI
12th February 2025
33AQI
33AQI
13th February 2025
45AQI
45AQI
14th February 2025
32AQI
32AQI
15th February 2025
44AQI
44AQI
16th February 2025
44AQI
44AQI
17th February 2025
39AQI
39AQI
18th February 2025
33AQI
33AQI
19th February 2025
31AQI
31AQI
20th February 2025
31AQI
31AQI
21st February 2025
32AQI
32AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
35AQI
35AQI
26th February 2025
36AQI
36AQI
27th February 2025
39AQI
39AQI
28th February 2025
51AQI
51AQI
1st March 2025
50AQI
50AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
40AQI
40AQI
4th March 2025
42AQI
42AQI
5th March 2025
30AQI
30AQI
6th March 2025
31AQI
31AQI
7th March 2025
33AQI
33AQI
8th March 2025
33AQI
33AQI
9th March 2025
37AQI
37AQI
10th March 2025
38AQI
38AQI
11th March 2025
37AQI
37AQI
12th March 2025
39AQI
39AQI
13th March 2025
41AQI
41AQI
14th March 2025
38AQI
38AQI
15th March 2025
33AQI
33AQI
16th March 2025
22AQI
22AQI
17th March 2025
20AQI
20AQI
18th March 2025
22AQI
22AQI
19th March 2025
18AQI
18AQI
20th March 2025
23AQI
23AQI
21st March 2025
38AQI
38AQI
22nd March 2025
47AQI
47AQI
23rd March 2025
52AQI
52AQI
24th March 2025
48AQI
48AQI
25th March 2025
64AQI
64AQI
26th March 2025
76AQI
76AQI
27th March 2025
72AQI
72AQI
28th March 2025
48AQI
48AQI
29th March 2025
40AQI
40AQI
30th March 2025
42AQI
42AQI
31st March 2025
34AQI
34AQI
1st April 2025
31AQI
31AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
22AQI
22AQI
4th April 2025
23AQI
23AQI
5th April 2025
24AQI
24AQI
6th April 2025
24AQI
24AQI
7th April 2025
30AQI
30AQI
8th April 2025
35AQI
35AQI
9th April 2025
31AQI
31AQI
10th April 2025
44AQI
44AQI
11th April 2025
40AQI
40AQI
12th April 2025
37AQI
37AQI
13th April 2025
28AQI
28AQI
14th April 2025
40AQI
40AQI
15th April 2025
29AQI
29AQI
16th April 2025
36AQI
36AQI
17th April 2025
41AQI
41AQI
18th April 2025
48AQI
48AQI
19th April 2025
55AQI
55AQI
20th April 2025
46AQI
46AQI
21st April 2025
45AQI
45AQI
22nd April 2025
41AQI
41AQI
23rd April 2025
33AQI
33AQI
24th April 2025
36AQI
36AQI
25th April 2025
35AQI
35AQI
26th April 2025
41AQI
41AQI
27th April 2025
45AQI
45AQI
28th April 2025
41AQI
41AQI
29th April 2025
36AQI
36AQI
30th April 2025
42AQI
42AQI
1st May 2025
36AQI
36AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
28AQI
28AQI
4th May 2025
36AQI
36AQI
5th May 2025
31AQI
31AQI
6th May 2025
24AQI
24AQI
7th May 2025
23AQI
23AQI
8th May 2025
26AQI
26AQI
9th May 2025
27AQI
27AQI
10th May 2025
24AQI
24AQI
11th May 2025
32AQI
32AQI
12th May 2025
29AQI
29AQI
13th May 2025
38AQI
38AQI
14th May 2025
29AQI
29AQI
15th May 2025
37AQI
37AQI
16th May 2025
38AQI
38AQI
17th May 2025
26AQI
26AQI
18th May 2025
44AQI
44AQI
19th May 2025
39AQI
39AQI
20th May 2025
62AQI
62AQI
21st May 2025
44AQI
44AQI
22nd May 2025
46AQI
46AQI
23rd May 2025
39AQI
39AQI
24th May 2025
41AQI
41AQI
25th May 2025
34AQI
34AQI
26th May 2025
27AQI
27AQI
27th May 2025
32AQI
32AQI
28th May 2025
25AQI
25AQI
29th May 2025
26AQI
26AQI
30th May 2025
24AQI
24AQI
31st May 2025
20AQI
20AQI
1st June 2025
21AQI
21AQI
2nd June 2025
27AQI
27AQI
3rd June 2025
29AQI
29AQI
4th June 2025
28AQI
28AQI
5th June 2025
39AQI
39AQI
6th June 2025
44AQI
44AQI
7th June 2025
45AQI
45AQI
8th June 2025
58AQI
58AQI
9th June 2025
37AQI
37AQI
10th June 2025
30AQI
30AQI
11th June 2025
26AQI
26AQI
12th June 2025
33AQI
33AQI
13th June 2025
30AQI
30AQI
14th June 2025
28AQI
28AQI
15th June 2025
33AQI
33AQI
16th June 2025
31AQI
31AQI
17th June 2025
44AQI
44AQI
18th June 2025
40AQI
40AQI
19th June 2025
37AQI
37AQI
20th June 2025
34AQI
34AQI
21st June 2025
30AQI
30AQI
22nd June 2025
23AQI
23AQI
23rd June 2025
24AQI
24AQI
24th June 2025
22AQI
22AQI
25th June 2025
24AQI
24AQI
26th June 2025
21AQI
21AQI
27th June 2025
29AQI
29AQI
28th June 2025
28AQI
28AQI
29th June 2025
30AQI
30AQI
30th June 2025
34AQI
34AQI
1st July 2025
34AQI
34AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
35AQI
35AQI
4th July 2025
33AQI
33AQI
5th July 2025
46AQI
46AQI
6th July 2025
63AQI
63AQI
7th July 2025
70AQI
70AQI
8th July 2025
70AQI
70AQI
9th July 2025
65AQI
65AQI
10th July 2025
55AQI
55AQI
11th July 2025
53AQI
53AQI
12th July 2025
51AQI
51AQI
13th July 2025
48AQI
48AQI
14th July 2025
44AQI
44AQI
15th July 2025
45AQI
45AQI
16th July 2025
42AQI
42AQI
17th July 2025
42AQI
42AQI
18th July 2025
37AQI
37AQI
19th July 2025
34AQI
34AQI
20th July 2025
35AQI
35AQI
21st July 2025
35AQI
35AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
31AQI
31AQI
24th July 2025
31AQI
31AQI
25th July 2025
28AQI
28AQI
26th July 2025
28AQI
28AQI
27th July 2025
27AQI
27AQI
28th July 2025
27AQI
27AQI
29th July 2025
26AQI
26AQI
30th July 2025
28AQI
28AQI
31st July 2025
30AQI
30AQI
1st August 2025
33AQI
33AQI
2nd August 2025
40AQI
40AQI
3rd August 2025
40AQI
40AQI
4th August 2025
55AQI
55AQI
5th August 2025
49AQI
49AQI
6th August 2025
46AQI
46AQI
36AQI
35AQI
40AQI
36AQI
33AQI
32AQI
41AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
30
1
27
1
26
5
29
1
30
1
29
1
24
7
5
1
200
18
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
June32AQI
202436AQI
27
4
26
3
25
6
24
6
28
3
28
2
23
8
31
30
31
29
1
31
333
33
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
August24AQI
202336AQI
7
1
27
4
25
5
29
2
27
3
28
3
29
2
29
1
31
24
5
22
9
278
35
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
August26AQI
202238AQI
3
19
2
23
8
23
7
28
3
24
6
21
1
1
28
30
1
25
5
8
1
233
34
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
August23AQI
202135AQI
22
8
20
6
27
4
28
2
26
5
27
3
28
3
26
5
29
1
30
1
25
5
22
9
310
52
Highest AQI recorded in
December43AQI
Lowest AQI recorded in
August29AQI
202037AQI
11
2
20
1
18
23
7
30
1
19
12
19
27
4
23
7
23
8
213
42
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
May28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
38AQILeast Polluted Year Recorded
2021(Avg.)
35AQISosa's annual 2025 AQI (36) shows an average percentage change of -0.3% (improved AQI) compared to previous years: 2020 (37), 2021 (35), 2022 (38), 2023 (36), 2024 (36).
