Atsugaoka, Kashiwa, 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+
October Air Quality Analysis
Atsugaoka, Kashiwa, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Oct 2022
69AQILowest AQI recorded on
10th Oct 2023
19AQISame Day Analysis (17th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Atsugaoka, Kashiwa, Chiba, Japan
AQI
Day
Night
.
5 AM17th Oct 2025
5 PM
4 AM18th Oct 2025
Day time
Avg. Highest Time
7AM17th Oct
58AQI
Avg. Lowest Time
1PM17th Oct
39AQI
Night time
Avg. Highest Time
11PM17th Oct
64AQI
Avg. Lowest Time
6PM17th Oct
50AQI
In the last 24 hours,
Atsugaoka's AQI reached its highest point of 64 at 11 PM during the Night, while the lowest point, 39, was recorded at 1 PM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Atsugaoka, Kashiwa, Chiba, Japan
SepOct
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
18th Sep 2025435 AMAQI
18th Sep 2025436 AMAQI
18th Sep 2025437 AMAQI
18th Sep 2025438 AMAQI
18th Sep 2025609 AMAQI
18th Sep 20256810 AMAQI
18th Sep 20257111 AMAQI
18th Sep 20257212 PMAQI
18th Sep 2025701 PMAQI
18th Sep 2025712 PMAQI
18th Sep 2025693 PMAQI
18th Sep 2025664 PMAQI
18th Sep 2025535 PMAQI
18th Sep 2025426 PMAQI
18th Sep 2025347 PMAQI
18th Sep 2025398 PMAQI
18th Sep 2025429 PMAQI
18th Sep 20254010 PMAQI
18th Sep 20254111 PMAQI
19th Sep 20253912 AMAQI
19th Sep 2025481 AMAQI
19th Sep 2025522 AMAQI
19th Sep 2025523 AMAQI
19th Sep 2025534 AMAQI
29°C23/36°C
19th Sep 2025555 AMAQI
19th Sep 2025556 AMAQI
19th Sep 2025567 AMAQI
19th Sep 2025568 AMAQI
19th Sep 2025299 AMAQI
19th Sep 20251810 AMAQI
19th Sep 20251811 AMAQI
19th Sep 20252212 PMAQI
19th Sep 2025281 PMAQI
19th Sep 2025292 PMAQI
19th Sep 2025283 PMAQI
19th Sep 2025304 PMAQI
19th Sep 2025305 PMAQI
19th Sep 2025296 PMAQI
19th Sep 2025307 PMAQI
19th Sep 2025358 PMAQI
19th Sep 2025419 PMAQI
19th Sep 20253910 PMAQI
19th Sep 20254011 PMAQI
20th Sep 20254012 AMAQI
20th Sep 2025461 AMAQI
20th Sep 2025492 AMAQI
20th Sep 2025493 AMAQI
20th Sep 2025474 AMAQI
22°C21/23°C
20th Sep 2025425 AMAQI
20th Sep 2025436 AMAQI
20th Sep 2025437 AMAQI
20th Sep 2025448 AMAQI
20th Sep 2025269 AMAQI
20th Sep 20252010 AMAQI
20th Sep 20252411 AMAQI
20th Sep 20252612 PMAQI
20th Sep 2025311 PMAQI
20th Sep 2025312 PMAQI
20th Sep 2025313 PMAQI
20th Sep 2025344 PMAQI
20th Sep 2025355 PMAQI
20th Sep 2025346 PMAQI
20th Sep 2025367 PMAQI
20th Sep 2025368 PMAQI
20th Sep 2025419 PMAQI
20th Sep 20254410 PMAQI
20th Sep 20254211 PMAQI
21st Sep 20253912 AMAQI
21st Sep 2025421 AMAQI
21st Sep 2025432 AMAQI
21st Sep 2025443 AMAQI
21st Sep 2025424 AMAQI
25°C22/27°C
21st Sep 2025405 AMAQI
21st Sep 2025406 AMAQI
21st Sep 2025407 AMAQI
21st Sep 2025408 AMAQI
21st Sep 2025249 AMAQI
21st Sep 20251710 AMAQI
21st Sep 20251811 AMAQI
21st Sep 20252212 PMAQI
21st Sep 2025241 PMAQI
21st Sep 2025222 PMAQI
21st Sep 2025203 PMAQI
21st Sep 2025194 PMAQI
21st Sep 2025265 PMAQI
21st Sep 2025306 PMAQI
21st Sep 2025277 PMAQI
21st Sep 2025308 PMAQI
21st Sep 2025359 PMAQI
21st Sep 20253510 PMAQI
21st Sep 20253411 PMAQI
22nd Sep 20253412 AMAQI
22nd Sep 2025381 AMAQI
22nd Sep 2025412 AMAQI
22nd Sep 2025413 AMAQI
22nd Sep 2025394 AMAQI
26°C21/31°C
22nd Sep 2025375 AMAQI
22nd Sep 2025386 AMAQI
22nd Sep 2025377 AMAQI
22nd Sep 2025388 AMAQI
22nd Sep 2025279 AMAQI
22nd Sep 20252410 AMAQI
22nd Sep 20251911 AMAQI
22nd Sep 20251912 PMAQI
22nd Sep 2025241 PMAQI
22nd Sep 2025252 PMAQI
22nd Sep 2025243 PMAQI
22nd Sep 2025254 PMAQI
22nd Sep 2025255 PMAQI
22nd Sep 2025256 PMAQI
22nd Sep 2025247 PMAQI
22nd Sep 2025268 PMAQI
22nd Sep 2025329 PMAQI
22nd Sep 20253210 PMAQI
22nd Sep 20253111 PMAQI
23rd Sep 20253212 AMAQI
23rd Sep 2025361 AMAQI
23rd Sep 2025372 AMAQI
23rd Sep 2025373 AMAQI
23rd Sep 2025364 AMAQI
23°C21/26°C
23rd Sep 2025335 AMAQI
23rd Sep 2025346 AMAQI
23rd Sep 2025337 AMAQI
23rd Sep 2025348 AMAQI
23rd Sep 2025289 AMAQI
23rd Sep 20252410 AMAQI
23rd Sep 20252111 AMAQI
23rd Sep 20252712 PMAQI
23rd Sep 2025241 PMAQI
23rd Sep 2025242 PMAQI
23rd Sep 2025223 PMAQI
23rd Sep 2025244 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025256 PMAQI
23rd Sep 2025257 PMAQI
23rd Sep 2025268 PMAQI
23rd Sep 2025309 PMAQI
23rd Sep 20253010 PMAQI
23rd Sep 20253011 PMAQI
24th Sep 20252912 AMAQI
24th Sep 2025321 AMAQI
24th Sep 2025342 AMAQI
24th Sep 2025343 AMAQI
24th Sep 2025334 AMAQI
22°C19/26°C
24th Sep 2025325 AMAQI
24th Sep 2025326 AMAQI
24th Sep 2025327 AMAQI
24th Sep 2025328 AMAQI
24th Sep 2025289 AMAQI
24th Sep 20252810 AMAQI
24th Sep 20252411 AMAQI
24th Sep 20252412 PMAQI
24th Sep 2025271 PMAQI
24th Sep 2025282 PMAQI
24th Sep 2025253 PMAQI
24th Sep 2025264 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025256 PMAQI
24th Sep 2025257 PMAQI
24th Sep 2025288 PMAQI
24th Sep 2025309 PMAQI
24th Sep 20252810 PMAQI
24th Sep 20252811 PMAQI
25th Sep 20252912 AMAQI
25th Sep 2025321 AMAQI
25th Sep 2025312 AMAQI
25th Sep 2025313 AMAQI
25th Sep 2025314 AMAQI
23°C20/27°C
25th Sep 2025305 AMAQI
25th Sep 2025306 AMAQI
25th Sep 2025307 AMAQI
25th Sep 2025308 AMAQI
25th Sep 2025289 AMAQI
25th Sep 20252810 AMAQI
25th Sep 20253211 AMAQI
25th Sep 20253012 PMAQI
25th Sep 2025291 PMAQI
25th Sep 2025392 PMAQI
25th Sep 2025443 PMAQI
25th Sep 2025434 PMAQI
25th Sep 2025415 PMAQI
25th Sep 2025406 PMAQI
25th Sep 2025377 PMAQI
25th Sep 2025338 PMAQI
25th Sep 2025349 PMAQI
25th Sep 20253010 PMAQI
25th Sep 20253211 PMAQI
26th Sep 20252912 AMAQI
26th Sep 2025231 AMAQI
26th Sep 2025272 AMAQI
26th Sep 2025233 AMAQI
26th Sep 2025274 AMAQI
24°C21/28°C
26th Sep 2025235 AMAQI
26th Sep 2025226 AMAQI
26th Sep 2025327 AMAQI
26th Sep 2025448 AMAQI
26th Sep 2025409 AMAQI
26th Sep 20254710 AMAQI
26th Sep 20255711 AMAQI
26th Sep 20255812 PMAQI
26th Sep 2025571 PMAQI
26th Sep 2025562 PMAQI
26th Sep 2025663 PMAQI
26th Sep 2025704 PMAQI
26th Sep 2025845 PMAQI
26th Sep 2025586 PMAQI
26th Sep 2025567 PMAQI
26th Sep 2025548 PMAQI
26th Sep 2025569 PMAQI
26th Sep 20255510 PMAQI
26th Sep 20255211 PMAQI
27th Sep 20253612 AMAQI
27th Sep 2025281 AMAQI
27th Sep 2025262 AMAQI
27th Sep 2025283 AMAQI
27th Sep 2025274 AMAQI
27°C23/32°C
27th Sep 2025265 AMAQI
27th Sep 2025236 AMAQI
27th Sep 2025317 AMAQI
27th Sep 2025388 AMAQI
27th Sep 2025349 AMAQI
27th Sep 20253310 AMAQI
27th Sep 20253311 AMAQI
27th Sep 20253812 PMAQI
27th Sep 2025371 PMAQI
27th Sep 2025382 PMAQI
27th Sep 2025403 PMAQI
27th Sep 2025404 PMAQI
27th Sep 2025395 PMAQI
27th Sep 2025396 PMAQI
27th Sep 2025397 PMAQI
27th Sep 2025398 PMAQI
27th Sep 2025409 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20253711 PMAQI
28th Sep 20253812 AMAQI
28th Sep 2025381 AMAQI
28th Sep 2025372 AMAQI
28th Sep 2025343 AMAQI
28th Sep 2025294 AMAQI
24°C22/27°C
28th Sep 2025305 AMAQI
28th Sep 2025336 AMAQI
28th Sep 2025327 AMAQI
28th Sep 2025328 AMAQI
28th Sep 2025339 AMAQI
28th Sep 20253310 AMAQI
28th Sep 20253811 AMAQI
28th Sep 20253912 PMAQI
28th Sep 2025401 PMAQI
28th Sep 2025392 PMAQI
28th Sep 2025393 PMAQI
28th Sep 2025394 PMAQI
28th Sep 2025395 PMAQI
28th Sep 2025356 PMAQI
28th Sep 2025287 PMAQI
28th Sep 2025328 PMAQI
28th Sep 2025249 PMAQI
28th Sep 20252610 PMAQI
28th Sep 20252911 PMAQI
29th Sep 20252812 AMAQI
29th Sep 2025261 AMAQI
29th Sep 2025222 AMAQI
29th Sep 2025313 AMAQI
29th Sep 2025294 AMAQI
25°C22/28°C
29th Sep 2025265 AMAQI
29th Sep 2025296 AMAQI
29th Sep 2025337 AMAQI
29th Sep 2025358 AMAQI
29th Sep 2025379 AMAQI
29th Sep 20254110 AMAQI
29th Sep 20254711 AMAQI
29th Sep 20254412 PMAQI
29th Sep 2025421 PMAQI
29th Sep 2025372 PMAQI
29th Sep 2025393 PMAQI
29th Sep 2025484 PMAQI
29th Sep 2025385 PMAQI
29th Sep 2025356 PMAQI
29th Sep 2025357 PMAQI
29th Sep 2025378 PMAQI
29th Sep 2025339 PMAQI
29th Sep 20252210 PMAQI
29th Sep 20251711 PMAQI
30th Sep 20252112 AMAQI
30th Sep 2025201 AMAQI
30th Sep 2025242 AMAQI
30th Sep 2025203 AMAQI
30th Sep 2025214 AMAQI
27°C23/32°C
30th Sep 2025225 AMAQI
30th Sep 2025186 AMAQI
30th Sep 2025147 AMAQI
30th Sep 2025158 AMAQI
30th Sep 2025199 AMAQI
30th Sep 20253410 AMAQI
30th Sep 20253011 AMAQI
30th Sep 20253812 PMAQI
30th Sep 2025381 PMAQI
30th Sep 2025232 PMAQI
30th Sep 2025353 PMAQI
30th Sep 2025234 PMAQI
30th Sep 2025325 PMAQI
30th Sep 2025336 PMAQI
30th Sep 2025277 PMAQI
30th Sep 2025338 PMAQI
30th Sep 2025359 PMAQI
30th Sep 20253010 PMAQI
30th Sep 20253011 PMAQI
1st Oct 20253112 AMAQI
1st Oct 2025271 AMAQI
1st Oct 2025282 AMAQI
1st Oct 2025283 AMAQI
1st Oct 2025324 AMAQI
24°C22/27°C
1st Oct 2025355 AMAQI
1st Oct 2025306 AMAQI
1st Oct 2025327 AMAQI
1st Oct 2025318 AMAQI
1st Oct 2025339 AMAQI
1st Oct 20253410 AMAQI
1st Oct 20253111 AMAQI
1st Oct 20253112 PMAQI
1st Oct 2025401 PMAQI
1st Oct 2025442 PMAQI
1st Oct 2025483 PMAQI
1st Oct 2025534 PMAQI
1st Oct 2025535 PMAQI
1st Oct 2025486 PMAQI
1st Oct 2025427 PMAQI
1st Oct 2025338 PMAQI
1st Oct 2025409 PMAQI
1st Oct 20253510 PMAQI
1st Oct 20253811 PMAQI
2nd Oct 20254212 AMAQI
2nd Oct 2025491 AMAQI
2nd Oct 2025522 AMAQI
2nd Oct 2025523 AMAQI
2nd Oct 2025534 AMAQI
21°C19/21°C
2nd Oct 2025495 AMAQI
2nd Oct 2025496 AMAQI
2nd Oct 2025567 AMAQI
2nd Oct 2025558 AMAQI
2nd Oct 2025569 AMAQI
2nd Oct 20256110 AMAQI
2nd Oct 20256311 AMAQI
2nd Oct 20256412 PMAQI
2nd Oct 2025451 PMAQI
2nd Oct 2025452 PMAQI
2nd Oct 2025453 PMAQI
2nd Oct 2025504 PMAQI
2nd Oct 2025485 PMAQI
2nd Oct 2025516 PMAQI
2nd Oct 2025407 PMAQI
2nd Oct 2025338 PMAQI
2nd Oct 2025349 PMAQI
2nd Oct 20253910 PMAQI
2nd Oct 20253911 PMAQI
3rd Oct 20254312 AMAQI
3rd Oct 2025451 AMAQI
3rd Oct 2025452 AMAQI
3rd Oct 2025553 AMAQI
3rd Oct 2025554 AMAQI
23°C19/28°C
3rd Oct 2025565 AMAQI
3rd Oct 2025556 AMAQI
3rd Oct 2025547 AMAQI
3rd Oct 2025568 AMAQI
3rd Oct 2025539 AMAQI
3rd Oct 20255410 AMAQI
3rd Oct 20255311 AMAQI
3rd Oct 20255312 PMAQI
3rd Oct 2025541 PMAQI
3rd Oct 2025532 PMAQI
3rd Oct 2025533 PMAQI
3rd Oct 2025574 PMAQI
3rd Oct 2025595 PMAQI
3rd Oct 2025566 PMAQI
3rd Oct 2025537 PMAQI
3rd Oct 2025468 PMAQI
3rd Oct 2025629 PMAQI
3rd Oct 20253810 PMAQI
3rd Oct 20252411 PMAQI
4th Oct 20255912 AMAQI
4th Oct 2025621 AMAQI
4th Oct 2025612 AMAQI
4th Oct 2025603 AMAQI
4th Oct 2025654 AMAQI
23°C21/26°C
4th Oct 2025715 AMAQI
4th Oct 2025716 AMAQI
4th Oct 2025687 AMAQI
4th Oct 2025558 AMAQI
4th Oct 2025599 AMAQI
4th Oct 20256510 AMAQI
4th Oct 20256311 AMAQI
4th Oct 20256212 PMAQI
4th Oct 2025631 PMAQI
4th Oct 2025612 PMAQI
4th Oct 2025633 PMAQI
4th Oct 2025504 PMAQI
4th Oct 2025565 PMAQI
4th Oct 2025566 PMAQI
4th Oct 2025547 PMAQI
4th Oct 2025578 PMAQI
4th Oct 2025559 PMAQI
4th Oct 20255610 PMAQI
4th Oct 20256011 PMAQI
5th Oct 20255812 AMAQI
5th Oct 2025631 AMAQI
5th Oct 2025632 AMAQI
5th Oct 2025623 AMAQI
5th Oct 2025554 AMAQI
23°C21/25°C
5th Oct 2025515 AMAQI
5th Oct 2025586 AMAQI
5th Oct 2025587 AMAQI
5th Oct 2025548 AMAQI
5th Oct 2025559 AMAQI
5th Oct 20255610 AMAQI
5th Oct 20255911 AMAQI
5th Oct 20255612 PMAQI
5th Oct 2025561 PMAQI
5th Oct 2025582 PMAQI
5th Oct 2025603 PMAQI
5th Oct 2025594 PMAQI
5th Oct 2025605 PMAQI
5th Oct 2025566 PMAQI
5th Oct 2025587 PMAQI
5th Oct 2025688 PMAQI
5th Oct 2025609 PMAQI
5th Oct 20255610 PMAQI
5th Oct 20255611 PMAQI
6th Oct 20255612 AMAQI
6th Oct 2025531 AMAQI
6th Oct 2025562 AMAQI
6th Oct 2025483 AMAQI
6th Oct 2025474 AMAQI
25°C21/29°C
6th Oct 2025465 AMAQI
6th Oct 2025296 AMAQI
6th Oct 2025687 AMAQI
6th Oct 2025708 AMAQI
6th Oct 2025709 AMAQI
6th Oct 20255510 AMAQI
6th Oct 20256011 AMAQI
6th Oct 20255912 PMAQI
6th Oct 2025571 PMAQI
6th Oct 2025602 PMAQI
6th Oct 2025663 PMAQI
6th Oct 2025664 PMAQI
6th Oct 2025655 PMAQI
6th Oct 2025556 PMAQI
6th Oct 2025547 PMAQI
6th Oct 2025548 PMAQI
6th Oct 2025599 PMAQI
6th Oct 20256110 PMAQI
6th Oct 20256511 PMAQI
7th Oct 20256112 AMAQI
7th Oct 2025601 AMAQI
7th Oct 2025602 AMAQI
24°C21/26°C
7th Oct 2025488 PMAQI
7th Oct 2025249 PMAQI
7th Oct 20253710 PMAQI
7th Oct 20254011 PMAQI
8th Oct 20254812 AMAQI
8th Oct 2025491 AMAQI
8th Oct 2025572 AMAQI
8th Oct 2025583 AMAQI
8th Oct 2025544 AMAQI
21°C20/23°C
8th Oct 2025565 AMAQI
8th Oct 2025576 AMAQI
8th Oct 2025597 AMAQI
8th Oct 2025598 AMAQI
8th Oct 2025589 AMAQI
8th Oct 20255910 AMAQI
8th Oct 20255811 AMAQI
8th Oct 20255912 PMAQI
8th Oct 2025581 PMAQI
8th Oct 2025652 PMAQI
8th Oct 2025693 PMAQI
8th Oct 2025664 PMAQI
8th Oct 2025655 PMAQI
8th Oct 2025686 PMAQI
8th Oct 2025727 PMAQI
8th Oct 2025688 PMAQI
8th Oct 2025789 PMAQI
8th Oct 20257810 PMAQI
8th Oct 20257211 PMAQI
9th Oct 20257112 AMAQI
9th Oct 2025711 AMAQI
9th Oct 2025672 AMAQI
9th Oct 2025703 AMAQI
9th Oct 2025644 AMAQI
24°C20/29°C
9th Oct 2025605 AMAQI
9th Oct 2025586 AMAQI
9th Oct 2025607 AMAQI
9th Oct 2025558 AMAQI
9th Oct 2025529 AMAQI
9th Oct 20255410 AMAQI
9th Oct 20254411 AMAQI
9th Oct 20255012 PMAQI
9th Oct 2025571 PMAQI
9th Oct 2025572 PMAQI
9th Oct 2025583 PMAQI
9th Oct 2025624 PMAQI
9th Oct 2025625 PMAQI
9th Oct 2025516 PMAQI
9th Oct 2025457 PMAQI
9th Oct 2025458 PMAQI
9th Oct 2025469 PMAQI
9th Oct 20255010 PMAQI
9th Oct 20254811 PMAQI
10th Oct 20255812 AMAQI
10th Oct 2025631 AMAQI
10th Oct 2025562 AMAQI
10th Oct 2025563 AMAQI
10th Oct 2025544 AMAQI
21°C18/22°C
10th Oct 2025545 AMAQI
10th Oct 2025556 AMAQI
10th Oct 2025557 AMAQI
10th Oct 2025528 AMAQI
10th Oct 2025509 AMAQI
10th Oct 20255210 AMAQI
10th Oct 20255911 AMAQI
10th Oct 20256112 PMAQI
10th Oct 2025621 PMAQI
10th Oct 2025592 PMAQI
10th Oct 2025623 PMAQI
10th Oct 2025604 PMAQI
10th Oct 2025635 PMAQI
10th Oct 2025676 PMAQI
10th Oct 2025667 PMAQI
10th Oct 2025648 PMAQI
10th Oct 2025609 PMAQI
10th Oct 20255810 PMAQI
10th Oct 20256611 PMAQI
11th Oct 20256712 AMAQI
11th Oct 2025711 AMAQI
11th Oct 2025692 AMAQI
11th Oct 2025673 AMAQI
11th Oct 2025714 AMAQI
20°C17/24°C
11th Oct 2025675 AMAQI
11th Oct 2025626 AMAQI
11th Oct 2025597 AMAQI
11th Oct 2025588 AMAQI
11th Oct 2025599 AMAQI
11th Oct 20255710 AMAQI
11th Oct 20255811 AMAQI
11th Oct 20255612 PMAQI
11th Oct 2025601 PMAQI
11th Oct 2025552 PMAQI
11th Oct 2025423 PMAQI
11th Oct 2025444 PMAQI
11th Oct 2025455 PMAQI
11th Oct 2025466 PMAQI
11th Oct 2025317 PMAQI
11th Oct 2025388 PMAQI
11th Oct 2025479 PMAQI
11th Oct 20253910 PMAQI
11th Oct 20253411 PMAQI
12th Oct 20252712 AMAQI
12th Oct 2025271 AMAQI
12th Oct 2025302 AMAQI
12th Oct 2025543 AMAQI
12th Oct 2025524 AMAQI
19°C17/20°C
12th Oct 2025545 AMAQI
12th Oct 2025466 AMAQI
12th Oct 2025337 AMAQI
12th Oct 2025378 AMAQI
12th Oct 2025369 AMAQI
12th Oct 20252610 AMAQI
12th Oct 20255211 AMAQI
12th Oct 20255512 PMAQI
12th Oct 2025501 PMAQI
12th Oct 2025402 PMAQI
12th Oct 2025443 PMAQI
12th Oct 2025524 PMAQI
12th Oct 2025535 PMAQI
12th Oct 2025496 PMAQI
12th Oct 2025437 PMAQI
12th Oct 2025478 PMAQI
12th Oct 2025569 PMAQI
12th Oct 20256710 PMAQI
12th Oct 20256911 PMAQI
13th Oct 20256812 AMAQI
13th Oct 2025611 AMAQI
13th Oct 2025602 AMAQI
13th Oct 2025583 AMAQI
13th Oct 2025554 AMAQI
21°C17/24°C
13th Oct 2025565 AMAQI
13th Oct 2025576 AMAQI
13th Oct 2025557 AMAQI
13th Oct 2025608 AMAQI
13th Oct 2025659 AMAQI
13th Oct 20256410 AMAQI
13th Oct 20256611 AMAQI
13th Oct 20255412 PMAQI
13th Oct 2025591 PMAQI
13th Oct 2025632 PMAQI
13th Oct 2025653 PMAQI
13th Oct 2025654 PMAQI
13th Oct 2025635 PMAQI
13th Oct 2025586 PMAQI
13th Oct 2025507 PMAQI
13th Oct 2025528 PMAQI
13th Oct 2025469 PMAQI
13th Oct 20253710 PMAQI
13th Oct 20254511 PMAQI
14th Oct 20256112 AMAQI
14th Oct 2025601 AMAQI
14th Oct 2025602 AMAQI
14th Oct 2025603 AMAQI
14th Oct 2025564 AMAQI
22°C20/23°C
14th Oct 2025495 AMAQI
14th Oct 2025506 AMAQI
14th Oct 2025607 AMAQI
14th Oct 2025618 AMAQI
14th Oct 2025649 AMAQI
14th Oct 20256110 AMAQI
14th Oct 20256111 AMAQI
14th Oct 20256312 PMAQI
14th Oct 2025621 PMAQI
14th Oct 2025642 PMAQI
14th Oct 2025633 PMAQI
14th Oct 2025634 PMAQI
14th Oct 2025615 PMAQI
14th Oct 2025606 PMAQI
14th Oct 2025557 PMAQI
14th Oct 2025518 PMAQI
14th Oct 2025519 PMAQI
14th Oct 20254910 PMAQI
14th Oct 20253811 PMAQI
15th Oct 20253612 AMAQI
15th Oct 2025401 AMAQI
15th Oct 2025362 AMAQI
15th Oct 2025353 AMAQI
15th Oct 2025354 AMAQI
19°C17/21°C
15th Oct 2025375 AMAQI
15th Oct 2025346 AMAQI
15th Oct 2025417 AMAQI
15th Oct 2025428 AMAQI
15th Oct 2025409 AMAQI
15th Oct 20253910 AMAQI
15th Oct 20254911 AMAQI
15th Oct 20255112 PMAQI
15th Oct 2025511 PMAQI
15th Oct 2025512 PMAQI
15th Oct 2025503 PMAQI
15th Oct 2025524 PMAQI
15th Oct 2025555 PMAQI
15th Oct 2025596 PMAQI
15th Oct 2025587 PMAQI
15th Oct 2025578 PMAQI
15th Oct 2025589 PMAQI
15th Oct 20256110 PMAQI
15th Oct 20255911 PMAQI
16th Oct 20256012 AMAQI
16th Oct 2025601 AMAQI
16th Oct 2025592 AMAQI
16th Oct 2025613 AMAQI
16th Oct 2025564 AMAQI
18°C17/20°C
16th Oct 2025575 AMAQI
16th Oct 2025546 AMAQI
16th Oct 2025547 AMAQI
16th Oct 2025508 AMAQI
16th Oct 2025519 AMAQI
16th Oct 20255310 AMAQI
16th Oct 20256311 AMAQI
16th Oct 20256812 PMAQI
16th Oct 2025611 PMAQI
16th Oct 2025592 PMAQI
16th Oct 2025593 PMAQI
16th Oct 2025574 PMAQI
16th Oct 2025615 PMAQI
16th Oct 2025686 PMAQI
16th Oct 2025707 PMAQI
16th Oct 2025718 PMAQI
16th Oct 2025719 PMAQI
16th Oct 20256310 PMAQI
16th Oct 20256111 PMAQI
17th Oct 20256012 AMAQI
17th Oct 2025611 AMAQI
17th Oct 2025542 AMAQI
17th Oct 2025543 AMAQI
17th Oct 2025544 AMAQI
20°C18/23°C
17th Oct 2025525 AMAQI
17th Oct 2025546 AMAQI
17th Oct 2025587 AMAQI
17th Oct 2025578 AMAQI
17th Oct 2025589 AMAQI
17th Oct 20255210 AMAQI
17th Oct 20255111 AMAQI
17th Oct 20254212 PMAQI
17th Oct 2025391 PMAQI
17th Oct 2025532 PMAQI
17th Oct 2025563 PMAQI
17th Oct 2025504 PMAQI
17th Oct 2025425 PMAQI
17th Oct 2025506 PMAQI
17th Oct 2025577 PMAQI
17th Oct 2025568 PMAQI
17th Oct 2025629 PMAQI
17th Oct 20256110 PMAQI
17th Oct 20256411 PMAQI
18th Oct 20256312 AMAQI
18th Oct 2025621 AMAQI
18th Oct 2025632 AMAQI
18th Oct 2025593 AMAQI
18th Oct 2025594 AMAQI
21°C18/24°C
18th Oct 2025555 AMAQI
5 AM18th Oct 2025546 AMAQI
18th Oct 2025547 AMAQI
18th Oct 2025538 AMAQI
18th Oct 2025479 AMAQI
18th Oct 20255010 AMAQI
18th Oct 20256311 AMAQI
11 AM18th Oct 20256312 PMAQI
18th Oct 2025661 PMAQI
18th Oct 2025492 PMAQI
18th Oct 2025443 PMAQI
18th Oct 2025504 PMAQI
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 5 PM
47AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
5 AM - 6 AM
45AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 5 PM (Avg. 47), while the lowest AQI was between 5 AM to 6 AM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 6 PM
46AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
7 PM - 11 PM
45AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 6 PM (Avg. 46), while the lowest AQI was between 7 PM to 11 PM (Avg. 45).
2025 Days Vs Air Quality
Atsugaoka, Kashiwa, Chiba, Japan
2025
85%
247
15%
43
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Good
247 DaysModerate
43 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 291 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
Atsugaoka, Kashiwa, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
33AQI
33AQI
2nd January 2025
33AQI
33AQI
3rd January 2025
25AQI
25AQI
4th January 2025
30AQI
30AQI
5th January 2025
37AQI
37AQI
6th January 2025
57AQI
57AQI
7th January 2025
31AQI
31AQI
8th January 2025
35AQI
35AQI
9th January 2025
32AQI
32AQI
10th January 2025
29AQI
29AQI
11th January 2025
28AQI
28AQI
12th January 2025
38AQI
38AQI
13th January 2025
30AQI
30AQI
14th January 2025
42AQI
42AQI
15th January 2025
39AQI
39AQI
16th January 2025
36AQI
36AQI
17th January 2025
33AQI
33AQI
18th January 2025
36AQI
36AQI
19th January 2025
55AQI
55AQI
20th January 2025
44AQI
44AQI
21st January 2025
47AQI
47AQI
22nd January 2025
43AQI
43AQI
23rd January 2025
55AQI
55AQI
24th January 2025
50AQI
50AQI
25th January 2025
43AQI
43AQI
26th January 2025
36AQI
36AQI
27th January 2025
40AQI
40AQI
28th January 2025
42AQI
42AQI
29th January 2025
33AQI
33AQI
30th January 2025
33AQI
33AQI
31st January 2025
29AQI
29AQI
1st February 2025
41AQI
41AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
43AQI
43AQI
4th February 2025
33AQI
33AQI
5th February 2025
33AQI
33AQI
6th February 2025
28AQI
28AQI
7th February 2025
29AQI
29AQI
8th February 2025
29AQI
29AQI
9th February 2025
29AQI
29AQI
10th February 2025
29AQI
29AQI
11th February 2025
30AQI
30AQI
12th February 2025
38AQI
38AQI
13th February 2025
37AQI
37AQI
14th February 2025
33AQI
33AQI
15th February 2025
33AQI
33AQI
16th February 2025
40AQI
40AQI
17th February 2025
36AQI
36AQI
18th February 2025
33AQI
33AQI
19th February 2025
31AQI
31AQI
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
34AQI
34AQI
26th February 2025
39AQI
39AQI
27th February 2025
40AQI
40AQI
28th February 2025
58AQI
58AQI
1st March 2025
50AQI
50AQI
2nd March 2025
63AQI
63AQI
3rd March 2025
40AQI
40AQI
4th March 2025
40AQI
40AQI
5th March 2025
27AQI
27AQI
6th March 2025
34AQI
34AQI
7th March 2025
31AQI
31AQI
8th March 2025
37AQI
37AQI
9th March 2025
35AQI
35AQI
10th March 2025
37AQI
37AQI
11th March 2025
43AQI
43AQI
12th March 2025
51AQI
51AQI
13th March 2025
42AQI
42AQI
14th March 2025
42AQI
42AQI
15th March 2025
36AQI
36AQI
16th March 2025
28AQI
28AQI
17th March 2025
21AQI
21AQI
18th March 2025
26AQI
26AQI
19th March 2025
17AQI
17AQI
20th March 2025
24AQI
24AQI
21st March 2025
41AQI
41AQI
22nd March 2025
52AQI
52AQI
23rd March 2025
55AQI
55AQI
24th March 2025
52AQI
52AQI
25th March 2025
67AQI
67AQI
26th March 2025
76AQI
76AQI
27th March 2025
70AQI
70AQI
28th March 2025
47AQI
47AQI
29th March 2025
38AQI
38AQI
30th March 2025
39AQI
39AQI
31st March 2025
32AQI
32AQI
1st April 2025
29AQI
29AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
20AQI
20AQI
4th April 2025
22AQI
22AQI
5th April 2025
26AQI
26AQI
6th April 2025
25AQI
25AQI
7th April 2025
30AQI
30AQI
8th April 2025
39AQI
39AQI
9th April 2025
27AQI
27AQI
10th April 2025
46AQI
46AQI
11th April 2025
41AQI
41AQI
12th April 2025
39AQI
39AQI
13th April 2025
30AQI
30AQI
14th April 2025
41AQI
41AQI
15th April 2025
31AQI
31AQI
16th April 2025
32AQI
32AQI
17th April 2025
46AQI
46AQI
18th April 2025
52AQI
52AQI
19th April 2025
64AQI
64AQI
20th April 2025
50AQI
50AQI
21st April 2025
46AQI
46AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
31AQI
31AQI
24th April 2025
39AQI
39AQI
25th April 2025
45AQI
45AQI
26th April 2025
47AQI
47AQI
27th April 2025
53AQI
53AQI
28th April 2025
45AQI
45AQI
29th April 2025
34AQI
34AQI
30th April 2025
46AQI
46AQI
1st May 2025
39AQI
39AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
33AQI
33AQI
4th May 2025
38AQI
38AQI
5th May 2025
35AQI
35AQI
6th May 2025
29AQI
29AQI
7th May 2025
26AQI
26AQI
8th May 2025
29AQI
29AQI
9th May 2025
31AQI
31AQI
10th May 2025
23AQI
23AQI
11th May 2025
27AQI
27AQI
12th May 2025
23AQI
23AQI
13th May 2025
34AQI
34AQI
14th May 2025
36AQI
36AQI
15th May 2025
39AQI
39AQI
16th May 2025
42AQI
42AQI
17th May 2025
30AQI
30AQI
18th May 2025
47AQI
47AQI
19th May 2025
42AQI
42AQI
20th May 2025
64AQI
64AQI
21st May 2025
49AQI
49AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
42AQI
42AQI
24th May 2025
40AQI
40AQI
25th May 2025
29AQI
29AQI
26th May 2025
29AQI
29AQI
27th May 2025
25AQI
25AQI
28th May 2025
25AQI
25AQI
29th May 2025
29AQI
29AQI
30th May 2025
24AQI
24AQI
31st May 2025
17AQI
17AQI
1st June 2025
23AQI
23AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
33AQI
33AQI
4th June 2025
32AQI
32AQI
5th June 2025
41AQI
41AQI
6th June 2025
47AQI
47AQI
7th June 2025
50AQI
50AQI
8th June 2025
56AQI
56AQI
9th June 2025
47AQI
47AQI
10th June 2025
33AQI
33AQI
11th June 2025
33AQI
33AQI
12th June 2025
38AQI
38AQI
13th June 2025
40AQI
40AQI
14th June 2025
36AQI
36AQI
15th June 2025
35AQI
35AQI
16th June 2025
42AQI
42AQI
17th June 2025
51AQI
51AQI
18th June 2025
47AQI
47AQI
19th June 2025
45AQI
45AQI
20th June 2025
40AQI
40AQI
21st June 2025
36AQI
36AQI
22nd June 2025
27AQI
27AQI
23rd June 2025
27AQI
27AQI
24th June 2025
25AQI
25AQI
25th June 2025
23AQI
23AQI
26th June 2025
22AQI
22AQI
27th June 2025
28AQI
28AQI
28th June 2025
28AQI
28AQI
29th June 2025
32AQI
32AQI
30th June 2025
33AQI
33AQI
1st July 2025
35AQI
35AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
43AQI
43AQI
4th July 2025
44AQI
44AQI
5th July 2025
47AQI
47AQI
6th July 2025
60AQI
60AQI
7th July 2025
71AQI
71AQI
8th July 2025
76AQI
76AQI
9th July 2025
77AQI
77AQI
10th July 2025
63AQI
63AQI
11th July 2025
54AQI
54AQI
12th July 2025
54AQI
54AQI
13th July 2025
53AQI
53AQI
14th July 2025
45AQI
45AQI
15th July 2025
45AQI
45AQI
16th July 2025
45AQI
45AQI
17th July 2025
45AQI
45AQI
18th July 2025
41AQI
41AQI
19th July 2025
37AQI
37AQI
20th July 2025
36AQI
36AQI
21st July 2025
37AQI
37AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
37AQI
37AQI
24th July 2025
36AQI
36AQI
25th July 2025
32AQI
32AQI
26th July 2025
32AQI
32AQI
27th July 2025
32AQI
32AQI
28th July 2025
37AQI
37AQI
29th July 2025
35AQI
35AQI
30th July 2025
31AQI
31AQI
31st July 2025
31AQI
31AQI
1st August 2025
32AQI
32AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
44AQI
44AQI
4th August 2025
57AQI
57AQI
5th August 2025
50AQI
50AQI
6th August 2025
50AQI
50AQI
7th August 2025
46AQI
46AQI
8th August 2025
46AQI
46AQI
9th August 2025
46AQI
46AQI
10th August 2025
41AQI
41AQI
11th August 2025
40AQI
40AQI
12th August 2025
36AQI
36AQI
13th August 2025
32AQI
32AQI
14th August 2025
35AQI
35AQI
15th August 2025
34AQI
34AQI
16th August 2025
36AQI
36AQI
17th August 2025
38AQI
38AQI
18th August 2025
43AQI
43AQI
19th August 2025
45AQI
45AQI
20th August 2025
46AQI
46AQI
21st August 2025
47AQI
47AQI
22nd August 2025
48AQI
48AQI
23rd August 2025
48AQI
48AQI
24th August 2025
56AQI
56AQI
25th August 2025
54AQI
54AQI
26th August 2025
53AQI
53AQI
27th August 2025
50AQI
50AQI
28th August 2025
46AQI
46AQI
29th August 2025
50AQI
50AQI
30th August 2025
54AQI
54AQI
31st August 2025
50AQI
50AQI
1st September 2025
45AQI
45AQI
2nd September 2025
37AQI
37AQI
3rd September 2025
36AQI
36AQI
4th September 2025
33AQI
33AQI
5th September 2025
29AQI
29AQI
6th September 2025
29AQI
29AQI
7th September 2025
29AQI
29AQI
8th September 2025
38AQI
38AQI
9th September 2025
41AQI
41AQI
10th September 2025
37AQI
37AQI
11th September 2025
32AQI
32AQI
12th September 2025
31AQI
31AQI
13th September 2025
29AQI
29AQI
14th September 2025
35AQI
35AQI
15th September 2025
38AQI
38AQI
16th September 2025
39AQI
39AQI
17th September 2025
49AQI
49AQI
18th September 2025
51AQI
51AQI
19th September 2025
39AQI
39AQI
20th September 2025
38AQI
38AQI
21st September 2025
33AQI
33AQI
22nd September 2025
31AQI
31AQI
23rd September 2025
30AQI
30AQI
24th September 2025
29AQI
29AQI
25th September 2025
33AQI
33AQI
26th September 2025
43AQI
43AQI
27th September 2025
36AQI
36AQI
28th September 2025
34AQI
34AQI
29th September 2025
32AQI
32AQI
30th September 2025
25AQI
25AQI
1st October 2025
36AQI
36AQI
2nd October 2025
47AQI
47AQI
3rd October 2025
49AQI
49AQI
4th October 2025
58AQI
58AQI
5th October 2025
59AQI
59AQI
6th October 2025
56AQI
56AQI
7th October 2025
44AQI
44AQI
8th October 2025
60AQI
60AQI
9th October 2025
58AQI
58AQI
10th October 2025
59AQI
59AQI
11th October 2025
56AQI
56AQI
12th October 2025
44AQI
44AQI
13th October 2025
58AQI
58AQI
14th October 2025
58AQI
58AQI
15th October 2025
45AQI
45AQI
16th October 2025
61AQI
61AQI
17th October 2025
55AQI
55AQI
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
38AQI
35AQI
42AQI
38AQI
34AQI
36AQI
45AQI
45AQI
35AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
28
3
27
1
23
8
27
3
30
1
28
2
23
8
26
5
29
1
6
11
247
43
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
May34AQI
202439AQI
23
8
24
3
23
8
21
9
23
4
27
3
18
13
28
2
29
1
30
1
25
5
30
1
301
58
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
September31AQI
202341AQI
23
7
1
21
7
23
8
20
10
28
3
22
8
23
8
30
1
30
30
1
17
10
17
12
284
75
1
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
September30AQI
202240AQI
22
6
14
7
20
11
21
8
26
5
25
5
20
1
1
28
28
3
21
9
24
7
250
62
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
August27AQI
202139AQI
19
11
1
19
9
23
6
20
3
25
6
27
3
28
3
26
5
29
1
28
3
18
12
17
14
279
76
1
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
August32AQI
202037AQI
10
3
16
5
18
24
6
31
21
10
19
27
4
16
14
17
14
199
56
Highest AQI recorded in
November48AQI
Lowest AQI recorded in
September25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
41AQILeast Polluted Year Recorded
2020(Avg.)
37AQIAtsugaoka's annual 2025 AQI (39) shows an average percentage change of 1.2% (worsened AQI) compared to previous years: 2020 (37), 2021 (39), 2022 (40), 2023 (41), 2024 (39).
