Matsudo, 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
Matsudo, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2022
89AQILowest AQI recorded on
8th Aug 2021
14AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Matsudo, Chiba, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM3rd Aug
60AQI
Avg. Lowest Time
2AM4th Aug
38AQI
In the last 24 hours,
Matsudo's AQI reached its highest point of 60 at 12 PM during the Night, while the lowest point, 38, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Matsudo, Chiba, Japan
JulAug
05th - 06th06th - 07th07th - 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
Day
Night
5th Jul 2025424 AMAQI
5th Jul 2025445 AMAQI
5th Jul 2025446 AMAQI
5th Jul 2025437 AMAQI
5th Jul 2025438 AMAQI
5th Jul 2025419 AMAQI
5th Jul 20254510 AMAQI
5th Jul 20255111 AMAQI
5th Jul 20255512 PMAQI
5th Jul 2025561 PMAQI
5th Jul 2025562 PMAQI
5th Jul 2025593 PMAQI
5th Jul 2025594 PMAQI
5th Jul 2025615 PMAQI
5th Jul 2025656 PMAQI
5th Jul 2025687 PMAQI
5th Jul 2025658 PMAQI
5th Jul 2025569 PMAQI
5th Jul 20255710 PMAQI
5th Jul 20255811 PMAQI
6th Jul 20255812 AMAQI
6th Jul 2025481 AMAQI
6th Jul 2025402 AMAQI
6th Jul 2025413 AMAQI
29°C26/33°C
6th Jul 2025424 AMAQI
6th Jul 2025445 AMAQI
6th Jul 2025446 AMAQI
6th Jul 2025457 AMAQI
6th Jul 2025458 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20257510 AMAQI
6th Jul 20258011 AMAQI
6th Jul 20258512 PMAQI
6th Jul 2025781 PMAQI
6th Jul 2025792 PMAQI
6th Jul 2025803 PMAQI
6th Jul 2025844 PMAQI
6th Jul 2025895 PMAQI
6th Jul 2025916 PMAQI
6th Jul 2025977 PMAQI
6th Jul 2025918 PMAQI
6th Jul 2025749 PMAQI
6th Jul 20257210 PMAQI
6th Jul 20257211 PMAQI
7th Jul 20257112 AMAQI
7th Jul 2025621 AMAQI
7th Jul 2025492 AMAQI
7th Jul 2025483 AMAQI
31°C27/35°C
7th Jul 2025514 AMAQI
7th Jul 2025555 AMAQI
7th Jul 2025556 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025558 AMAQI
7th Jul 20251049 AMAQI
7th Jul 202511710 AMAQI
7th Jul 202511111 AMAQI
7th Jul 202510512 PMAQI
7th Jul 2025971 PMAQI
7th Jul 2025902 PMAQI
7th Jul 2025903 PMAQI
7th Jul 2025914 PMAQI
7th Jul 2025945 PMAQI
7th Jul 2025986 PMAQI
7th Jul 20251097 PMAQI
7th Jul 20251028 PMAQI
7th Jul 2025789 PMAQI
7th Jul 20257710 PMAQI
7th Jul 20257811 PMAQI
8th Jul 20257712 AMAQI
8th Jul 2025681 AMAQI
8th Jul 2025572 AMAQI
8th Jul 2025573 AMAQI
31°C27/35°C
8th Jul 2025604 AMAQI
8th Jul 2025655 AMAQI
8th Jul 2025656 AMAQI
8th Jul 2025657 AMAQI
8th Jul 2025668 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202511610 AMAQI
8th Jul 202511011 AMAQI
8th Jul 202510012 PMAQI
8th Jul 2025891 PMAQI
8th Jul 2025802 PMAQI
8th Jul 2025823 PMAQI
8th Jul 2025834 PMAQI
8th Jul 2025845 PMAQI
8th Jul 2025846 PMAQI
8th Jul 2025857 PMAQI
8th Jul 2025828 PMAQI
8th Jul 2025779 PMAQI
8th Jul 20257910 PMAQI
8th Jul 20258111 PMAQI
9th Jul 20258212 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025653 AMAQI
30°C27/34°C
9th Jul 2025674 AMAQI
9th Jul 2025725 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025849 AMAQI
9th Jul 20259110 AMAQI
9th Jul 20259411 AMAQI
9th Jul 202510012 PMAQI
9th Jul 2025981 PMAQI
9th Jul 2025982 PMAQI
9th Jul 20251023 PMAQI
9th Jul 20251124 PMAQI
9th Jul 20251035 PMAQI
9th Jul 2025856 PMAQI
9th Jul 2025647 PMAQI
9th Jul 2025578 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20255910 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20255812 AMAQI
10th Jul 2025641 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025713 AMAQI
30°C27/34°C
10th Jul 2025734 AMAQI
10th Jul 2025775 AMAQI
10th Jul 2025776 AMAQI
10th Jul 2025777 AMAQI
10th Jul 2025778 AMAQI
10th Jul 2025419 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20254611 AMAQI
10th Jul 20255012 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025443 PMAQI
10th Jul 2025404 PMAQI
10th Jul 2025475 PMAQI
10th Jul 2025486 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255812 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
28°C23/34°C
11th Jul 2025694 AMAQI
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025667 AMAQI
11th Jul 2025668 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20251710 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025322 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025274 PMAQI
11th Jul 2025275 PMAQI
11th Jul 2025316 PMAQI
11th Jul 2025327 PMAQI
11th Jul 2025418 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255610 PMAQI
11th Jul 20255611 PMAQI
12th Jul 20255612 AMAQI
12th Jul 2025611 AMAQI
12th Jul 2025662 AMAQI
12th Jul 2025663 AMAQI
23°C22/26°C
12th Jul 2025644 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025597 AMAQI
12th Jul 2025608 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20254111 AMAQI
12th Jul 20254112 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025393 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025385 PMAQI
12th Jul 2025396 PMAQI
12th Jul 2025367 PMAQI
12th Jul 2025418 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025571 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 20253310 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20254312 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025423 PMAQI
13th Jul 2025424 PMAQI
13th Jul 2025455 PMAQI
13th Jul 2025416 PMAQI
13th Jul 2025377 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025489 PMAQI
13th Jul 20254610 PMAQI
13th Jul 20254711 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025521 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
27°C24/31°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 20251811 AMAQI
14th Jul 20252312 PMAQI
14th Jul 2025241 PMAQI
14th Jul 2025232 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025234 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025256 PMAQI
14th Jul 2025297 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254410 PMAQI
14th Jul 20254311 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 2025526 AMAQI
15th Jul 2025527 AMAQI
15th Jul 2025528 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252512 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025263 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025326 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025298 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253910 PMAQI
15th Jul 20254011 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025501 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
27°C26/29°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 20253910 AMAQI
16th Jul 20253011 AMAQI
16th Jul 20252912 PMAQI
16th Jul 2025291 PMAQI
16th Jul 2025252 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025264 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025266 PMAQI
16th Jul 2025237 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253912 AMAQI
17th Jul 2025461 AMAQI
17th Jul 2025502 AMAQI
17th Jul 2025513 AMAQI
27°C26/29°C
17th Jul 2025494 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025486 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025478 AMAQI
17th Jul 2025299 AMAQI
17th Jul 20253010 AMAQI
17th Jul 20253711 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025381 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025415 PMAQI
17th Jul 2025436 PMAQI
17th Jul 2025437 PMAQI
17th Jul 2025438 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025451 AMAQI
18th Jul 2025482 AMAQI
18th Jul 2025483 AMAQI
28°C26/31°C
18th Jul 2025464 AMAQI
18th Jul 2025455 AMAQI
18th Jul 2025456 AMAQI
18th Jul 2025457 AMAQI
18th Jul 2025448 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253411 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025379 PMAQI
18th Jul 20253710 PMAQI
18th Jul 20253611 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025411 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
28°C25/31°C
19th Jul 2025444 AMAQI
19th Jul 2025435 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252110 AMAQI
19th Jul 20252311 AMAQI
19th Jul 20252312 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025166 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025318 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253510 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025433 AMAQI
28°C25/32°C
20th Jul 2025414 AMAQI
20th Jul 2025395 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025397 AMAQI
20th Jul 2025398 AMAQI
20th Jul 2025289 AMAQI
20th Jul 20252010 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252412 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025233 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025235 PMAQI
20th Jul 2025256 PMAQI
20th Jul 2025277 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025371 AMAQI
21st Jul 2025402 AMAQI
21st Jul 2025403 AMAQI
29°C26/32°C
21st Jul 2025384 AMAQI
21st Jul 2025365 AMAQI
21st Jul 2025376 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252610 AMAQI
21st Jul 20253211 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025361 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025313 PMAQI
21st Jul 2025334 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025383 AMAQI
30°C27/34°C
22nd Jul 2025374 AMAQI
22nd Jul 2025365 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025269 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20253411 AMAQI
22nd Jul 20253512 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025402 PMAQI
22nd Jul 2025413 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025356 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025308 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025311 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025363 AMAQI
30°C27/34°C
23rd Jul 2025374 AMAQI
23rd Jul 2025365 AMAQI
23rd Jul 2025366 AMAQI
23rd Jul 2025367 AMAQI
23rd Jul 2025368 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20254312 PMAQI
23rd Jul 2025481 PMAQI
23rd Jul 2025512 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025434 PMAQI
23rd Jul 2025425 PMAQI
23rd Jul 2025356 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025298 PMAQI
23rd Jul 2025319 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025363 AMAQI
30°C27/34°C
24th Jul 2025364 AMAQI
24th Jul 2025375 AMAQI
24th Jul 2025386 AMAQI
24th Jul 2025377 AMAQI
24th Jul 2025378 AMAQI
24th Jul 2025359 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20254511 AMAQI
24th Jul 20254812 PMAQI
24th Jul 2025541 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025524 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025406 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253110 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025331 AMAQI
25th Jul 2025352 AMAQI
25th Jul 2025363 AMAQI
30°C27/35°C
25th Jul 2025374 AMAQI
25th Jul 2025395 AMAQI
25th Jul 2025396 AMAQI
25th Jul 2025407 AMAQI
25th Jul 2025408 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20254310 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20254512 PMAQI
25th Jul 2025451 PMAQI
25th Jul 2025372 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025246 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025238 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253010 PMAQI
25th Jul 20252911 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025373 AMAQI
30°C28/34°C
26th Jul 2025374 AMAQI
26th Jul 2025385 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20253110 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20254312 PMAQI
26th Jul 2025371 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025318 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253011 PMAQI
27th Jul 20252912 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025363 AMAQI
30°C28/34°C
27th Jul 2025364 AMAQI
27th Jul 2025365 AMAQI
27th Jul 2025356 AMAQI
27th Jul 2025367 AMAQI
27th Jul 2025358 AMAQI
27th Jul 2025289 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20254211 AMAQI
27th Jul 20253912 PMAQI
27th Jul 2025321 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025254 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025217 PMAQI
27th Jul 2025278 PMAQI
27th Jul 2025299 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025342 AMAQI
28th Jul 2025353 AMAQI
30°C27/34°C
28th Jul 2025344 AMAQI
28th Jul 2025345 AMAQI
28th Jul 2025356 AMAQI
28th Jul 2025347 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025279 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20253511 AMAQI
28th Jul 20254312 PMAQI
28th Jul 2025501 PMAQI
28th Jul 2025562 PMAQI
28th Jul 2025573 PMAQI
28th Jul 2025584 PMAQI
28th Jul 2025515 PMAQI
28th Jul 2025446 PMAQI
28th Jul 2025407 PMAQI
28th Jul 2025368 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253510 PMAQI
28th Jul 20253311 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025311 AMAQI
29th Jul 2025332 AMAQI
29th Jul 2025333 AMAQI
30°C27/36°C
29th Jul 2025354 AMAQI
29th Jul 2025375 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025367 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20253410 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025453 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025415 PMAQI
29th Jul 2025286 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025258 PMAQI
29th Jul 2025279 PMAQI
29th Jul 20252710 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252512 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025343 AMAQI
31°C26/37°C
30th Jul 2025354 AMAQI
30th Jul 2025355 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20251610 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252312 PMAQI
30th Jul 2025251 PMAQI
30th Jul 2025222 PMAQI
30th Jul 2025233 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253310 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253312 AMAQI
31st Jul 2025331 AMAQI
31st Jul 2025322 AMAQI
31st Jul 2025323 AMAQI
30°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 20253612 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025214 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025217 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI
28°C25/33°C
1st Aug 2025354 AMAQI
1st Aug 2025345 AMAQI
1st Aug 2025376 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025319 AMAQI
1st Aug 20253110 AMAQI
1st Aug 20253811 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025331 PMAQI
1st Aug 2025372 PMAQI
1st Aug 2025323 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025376 PMAQI
1st Aug 2025237 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025372 AMAQI
2nd Aug 2025373 AMAQI
28°C25/32°C
2nd Aug 2025374 AMAQI
2nd Aug 2025395 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253210 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025461 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025553 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025576 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025398 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
30°C26/35°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255311 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025511 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025503 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20254111 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
--°C/°C
4th Aug 2025414 AMAQI
4 AM4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025417 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
40AQI
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. 40).
Night time
Avg. Highest Time
12 AM - 3 AM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 11 PM
42AQI
5 hours / Day
150 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 11 PM (Avg. 42).
2025 Days Vs Air Quality
Matsudo, Chiba, Japan
2025
95%
204
5%
10
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
204 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 215 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
Matsudo, 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
29AQI
29AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
24AQI
24AQI
4th January 2025
26AQI
26AQI
5th January 2025
27AQI
27AQI
6th January 2025
37AQI
37AQI
7th January 2025
27AQI
27AQI
8th January 2025
27AQI
27AQI
9th January 2025
26AQI
26AQI
10th January 2025
26AQI
26AQI
11th January 2025
25AQI
25AQI
12th January 2025
30AQI
30AQI
13th January 2025
28AQI
28AQI
14th January 2025
32AQI
32AQI
15th January 2025
33AQI
33AQI
16th January 2025
28AQI
28AQI
17th January 2025
30AQI
30AQI
18th January 2025
28AQI
28AQI
19th January 2025
38AQI
38AQI
20th January 2025
33AQI
33AQI
21st January 2025
36AQI
36AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
39AQI
39AQI
24th January 2025
40AQI
40AQI
25th January 2025
35AQI
35AQI
26th January 2025
33AQI
33AQI
27th January 2025
32AQI
32AQI
28th January 2025
33AQI
33AQI
29th January 2025
29AQI
29AQI
30th January 2025
29AQI
29AQI
31st January 2025
28AQI
28AQI
1st February 2025
31AQI
31AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
29AQI
29AQI
4th February 2025
29AQI
29AQI
5th February 2025
28AQI
28AQI
6th February 2025
26AQI
26AQI
7th February 2025
27AQI
27AQI
8th February 2025
28AQI
28AQI
9th February 2025
28AQI
28AQI
10th February 2025
26AQI
26AQI
11th February 2025
29AQI
29AQI
12th February 2025
30AQI
30AQI
13th February 2025
32AQI
32AQI
14th February 2025
28AQI
28AQI
15th February 2025
29AQI
29AQI
16th February 2025
34AQI
34AQI
17th February 2025
33AQI
33AQI
18th February 2025
31AQI
31AQI
19th February 2025
29AQI
29AQI
20th February 2025
29AQI
29AQI
21st February 2025
29AQI
29AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
30AQI
30AQI
24th February 2025
32AQI
32AQI
25th February 2025
31AQI
31AQI
26th February 2025
34AQI
34AQI
27th February 2025
37AQI
37AQI
28th February 2025
45AQI
45AQI
1st March 2025
44AQI
44AQI
2nd March 2025
52AQI
52AQI
3rd March 2025
36AQI
36AQI
4th March 2025
35AQI
35AQI
5th March 2025
24AQI
24AQI
6th March 2025
31AQI
31AQI
7th March 2025
30AQI
30AQI
8th March 2025
33AQI
33AQI
9th March 2025
33AQI
33AQI
10th March 2025
33AQI
33AQI
11th March 2025
34AQI
34AQI
12th March 2025
39AQI
39AQI
13th March 2025
35AQI
35AQI
14th March 2025
32AQI
32AQI
15th March 2025
26AQI
26AQI
16th March 2025
22AQI
22AQI
17th March 2025
17AQI
17AQI
18th March 2025
19AQI
19AQI
19th March 2025
15AQI
15AQI
20th March 2025
19AQI
19AQI
21st March 2025
31AQI
31AQI
22nd March 2025
38AQI
38AQI
23rd March 2025
40AQI
40AQI
24th March 2025
39AQI
39AQI
25th March 2025
58AQI
58AQI
26th March 2025
69AQI
69AQI
27th March 2025
64AQI
64AQI
28th March 2025
44AQI
44AQI
29th March 2025
34AQI
34AQI
30th March 2025
39AQI
39AQI
31st March 2025
31AQI
31AQI
1st April 2025
26AQI
26AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
19AQI
19AQI
4th April 2025
20AQI
20AQI
5th April 2025
22AQI
22AQI
6th April 2025
18AQI
18AQI
7th April 2025
21AQI
21AQI
8th April 2025
26AQI
26AQI
9th April 2025
20AQI
20AQI
10th April 2025
32AQI
32AQI
11th April 2025
28AQI
28AQI
12th April 2025
28AQI
28AQI
13th April 2025
22AQI
22AQI
14th April 2025
29AQI
29AQI
15th April 2025
24AQI
24AQI
16th April 2025
24AQI
24AQI
17th April 2025
33AQI
33AQI
18th April 2025
36AQI
36AQI
19th April 2025
44AQI
44AQI
20th April 2025
36AQI
36AQI
21st April 2025
32AQI
32AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
21AQI
21AQI
24th April 2025
28AQI
28AQI
25th April 2025
29AQI
29AQI
26th April 2025
31AQI
31AQI
27th April 2025
33AQI
33AQI
28th April 2025
31AQI
31AQI
29th April 2025
23AQI
23AQI
30th April 2025
29AQI
29AQI
1st May 2025
27AQI
27AQI
2nd May 2025
22AQI
22AQI
3rd May 2025
21AQI
21AQI
4th May 2025
26AQI
26AQI
5th May 2025
23AQI
23AQI
6th May 2025
21AQI
21AQI
7th May 2025
19AQI
19AQI
8th May 2025
21AQI
21AQI
9th May 2025
22AQI
22AQI
10th May 2025
19AQI
19AQI
11th May 2025
20AQI
20AQI
12th May 2025
18AQI
18AQI
13th May 2025
23AQI
23AQI
14th May 2025
22AQI
22AQI
15th May 2025
25AQI
25AQI
16th May 2025
27AQI
27AQI
17th May 2025
22AQI
22AQI
18th May 2025
30AQI
30AQI
19th May 2025
28AQI
28AQI
20th May 2025
44AQI
44AQI
21st May 2025
34AQI
34AQI
22nd May 2025
31AQI
31AQI
23rd May 2025
28AQI
28AQI
24th May 2025
27AQI
27AQI
25th May 2025
21AQI
21AQI
26th May 2025
21AQI
21AQI
27th May 2025
18AQI
18AQI
28th May 2025
17AQI
17AQI
29th May 2025
19AQI
19AQI
30th May 2025
18AQI
18AQI
31st May 2025
15AQI
15AQI
1st June 2025
17AQI
17AQI
2nd June 2025
21AQI
21AQI
3rd June 2025
22AQI
22AQI
4th June 2025
23AQI
23AQI
5th June 2025
28AQI
28AQI
6th June 2025
30AQI
30AQI
7th June 2025
31AQI
31AQI
8th June 2025
37AQI
37AQI
9th June 2025
28AQI
28AQI
10th June 2025
26AQI
26AQI
11th June 2025
25AQI
25AQI
12th June 2025
29AQI
29AQI
13th June 2025
28AQI
28AQI
14th June 2025
25AQI
25AQI
15th June 2025
27AQI
27AQI
16th June 2025
27AQI
27AQI
17th June 2025
37AQI
37AQI
18th June 2025
31AQI
31AQI
19th June 2025
32AQI
32AQI
20th June 2025
29AQI
29AQI
21st June 2025
23AQI
23AQI
22nd June 2025
14AQI
14AQI
23rd June 2025
17AQI
17AQI
24th June 2025
17AQI
17AQI
25th June 2025
17AQI
17AQI
26th June 2025
18AQI
18AQI
27th June 2025
21AQI
21AQI
28th June 2025
20AQI
20AQI
29th June 2025
24AQI
24AQI
30th June 2025
36AQI
36AQI
1st July 2025
38AQI
38AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
44AQI
44AQI
4th July 2025
45AQI
45AQI
5th July 2025
51AQI
51AQI
6th July 2025
67AQI
67AQI
7th July 2025
79AQI
79AQI
8th July 2025
79AQI
79AQI
9th July 2025
77AQI
77AQI
10th July 2025
58AQI
58AQI
11th July 2025
47AQI
47AQI
12th July 2025
50AQI
50AQI
13th July 2025
48AQI
48AQI
14th July 2025
40AQI
40AQI
15th July 2025
39AQI
39AQI
16th July 2025
39AQI
39AQI
17th July 2025
43AQI
43AQI
18th July 2025
36AQI
36AQI
19th July 2025
32AQI
32AQI
20th July 2025
32AQI
32AQI
21st July 2025
34AQI
34AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
36AQI
36AQI
24th July 2025
38AQI
38AQI
25th July 2025
34AQI
34AQI
26th July 2025
33AQI
33AQI
27th July 2025
30AQI
30AQI
28th July 2025
38AQI
38AQI
29th July 2025
33AQI
33AQI
30th July 2025
29AQI
29AQI
31st July 2025
29AQI
29AQI
1st August 2025
33AQI
33AQI
2nd August 2025
40AQI
40AQI
31AQI
31AQI
35AQI
27AQI
24AQI
25AQI
44AQI
37AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
31
28
27
4
30
31
30
25
6
2
204
10
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
May24AQI
202434AQI
29
2
27
2
25
6
24
6
29
2
29
1
27
4
30
1
29
1
31
29
1
31
340
26
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
September27AQI
202336AQI
28
3
24
4
27
4
22
8
28
3
27
3
26
5
31
30
31
25
4
27
4
326
38
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
August25AQI
202233AQI
31
20
1
28
3
27
3
29
2
28
2
21
1
1
1
29
29
2
26
4
30
1
299
20
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
September25AQI
202129AQI
30
1
28
29
2
30
30
1
27
3
29
2
29
2
30
30
1
30
28
3
350
15
Highest AQI recorded in
June34AQI
Lowest AQI recorded in
April23AQI
202025AQI
13
21
18
29
1
31
31
19
31
28
2
30
1
251
4
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
September18AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
36AQILeast Polluted Year Recorded
2020(Avg.)
25AQIMatsudo's annual 2025 AQI (31) shows an average percentage change of 0.6% (worsened AQI) compared to previous years: 2020 (25), 2021 (29), 2022 (33), 2023 (36), 2024 (34).
