Takazu, Yachiyo, 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
Takazu, Yachiyo, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
23rd Oct 2022
70AQILowest AQI recorded on
21st Oct 2025
17AQISame Day Analysis (21st October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 17 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Oct - 22nd Oct 2025
Takazu, Yachiyo, Chiba, Japan
AQI
Day
Night
.
5 AM21st Oct 2025
5 PM
4 AM22nd Oct 2025
Day time
Avg. Highest Time
4PM21st Oct
49AQI
Avg. Lowest Time
8AM21st Oct
15AQI
Night time
Avg. Highest Time
9PM21st Oct
55AQI
Avg. Lowest Time
1AM22nd Oct
30AQI
In the last 24 hours,
Takazu's AQI reached its highest point of 55 at 9 PM during the Night, while the lowest point, 15, was recorded at 8 AM during the Day between 21st Oct and 22nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Takazu, Yachiyo, Chiba, Japan
SepOct
22nd - 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 - 19th19th - 20th20th - 21st21st - 22nd22nd
Day
Night
22nd Sep 2025365 AMAQI
22nd Sep 2025366 AMAQI
22nd Sep 2025367 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025239 AMAQI
22nd Sep 20251810 AMAQI
22nd Sep 20251911 AMAQI
22nd Sep 20252012 PMAQI
22nd Sep 2025181 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025193 PMAQI
22nd Sep 2025194 PMAQI
22nd Sep 2025195 PMAQI
22nd Sep 2025216 PMAQI
22nd Sep 2025197 PMAQI
22nd Sep 2025258 PMAQI
22nd Sep 2025279 PMAQI
22nd Sep 20252910 PMAQI
22nd Sep 20252811 PMAQI
23rd Sep 20253012 AMAQI
23rd Sep 2025361 AMAQI
23rd Sep 2025362 AMAQI
23rd Sep 2025363 AMAQI
23rd Sep 2025344 AMAQI
23°C21/26°C
23rd Sep 2025325 AMAQI
23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025328 AMAQI
23rd Sep 2025249 AMAQI
23rd Sep 20252210 AMAQI
23rd Sep 20252411 AMAQI
23rd Sep 20252312 PMAQI
23rd Sep 2025231 PMAQI
23rd Sep 2025192 PMAQI
23rd Sep 2025173 PMAQI
23rd Sep 2025184 PMAQI
23rd Sep 2025195 PMAQI
23rd Sep 2025196 PMAQI
23rd Sep 2025247 PMAQI
23rd Sep 2025238 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252610 PMAQI
23rd Sep 20252711 PMAQI
24th Sep 20252712 AMAQI
24th Sep 2025321 AMAQI
24th Sep 2025332 AMAQI
24th Sep 2025333 AMAQI
24th Sep 2025324 AMAQI
23°C20/26°C
24th Sep 2025315 AMAQI
24th Sep 2025306 AMAQI
24th Sep 2025317 AMAQI
24th Sep 2025318 AMAQI
24th Sep 2025269 AMAQI
24th Sep 20252610 AMAQI
24th Sep 20252211 AMAQI
24th Sep 20252212 PMAQI
24th Sep 2025231 PMAQI
24th Sep 2025222 PMAQI
24th Sep 2025253 PMAQI
24th Sep 2025254 PMAQI
24th Sep 2025225 PMAQI
24th Sep 2025206 PMAQI
24th Sep 2025287 PMAQI
24th Sep 2025268 PMAQI
24th Sep 2025309 PMAQI
24th Sep 20253210 PMAQI
24th Sep 20252811 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025301 AMAQI
25th Sep 2025302 AMAQI
25th Sep 2025313 AMAQI
25th Sep 2025304 AMAQI
23°C20/27°C
25th Sep 2025305 AMAQI
25th Sep 2025296 AMAQI
25th Sep 2025297 AMAQI
25th Sep 2025298 AMAQI
25th Sep 2025329 AMAQI
25th Sep 20253410 AMAQI
25th Sep 20253511 AMAQI
25th Sep 20253712 PMAQI
25th Sep 2025371 PMAQI
25th Sep 2025372 PMAQI
25th Sep 2025393 PMAQI
25th Sep 2025384 PMAQI
25th Sep 2025395 PMAQI
25th Sep 2025396 PMAQI
25th Sep 2025397 PMAQI
25th Sep 2025378 PMAQI
25th Sep 2025399 PMAQI
25th Sep 20253710 PMAQI
25th Sep 20253911 PMAQI
26th Sep 20254012 AMAQI
26th Sep 2025391 AMAQI
26th Sep 2025392 AMAQI
26th Sep 2025383 AMAQI
26th Sep 2025394 AMAQI
24°C21/27°C
26th Sep 2025395 AMAQI
26th Sep 2025396 AMAQI
26th Sep 2025397 AMAQI
26th Sep 2025408 AMAQI
26th Sep 2025409 AMAQI
26th Sep 20254010 AMAQI
26th Sep 20254111 AMAQI
26th Sep 20254712 PMAQI
26th Sep 2025611 PMAQI
26th Sep 2025672 PMAQI
26th Sep 2025793 PMAQI
26th Sep 2025724 PMAQI
26th Sep 2025635 PMAQI
26th Sep 2025556 PMAQI
26th Sep 2025597 PMAQI
26th Sep 2025538 PMAQI
26th Sep 2025569 PMAQI
26th Sep 20255710 PMAQI
26th Sep 20255211 PMAQI
27th Sep 20254512 AMAQI
27th Sep 2025401 AMAQI
27th Sep 2025272 AMAQI
27th Sep 2025223 AMAQI
27th Sep 2025234 AMAQI
27°C24/31°C
27th Sep 2025265 AMAQI
27th Sep 2025256 AMAQI
27th Sep 2025257 AMAQI
27th Sep 2025328 AMAQI
27th Sep 2025419 AMAQI
27th Sep 20254810 AMAQI
27th Sep 20253311 AMAQI
27th Sep 20253312 PMAQI
27th Sep 2025381 PMAQI
27th Sep 2025352 PMAQI
27th Sep 2025283 PMAQI
27th Sep 2025274 PMAQI
27th Sep 2025225 PMAQI
27th Sep 2025256 PMAQI
27th Sep 2025247 PMAQI
27th Sep 2025348 PMAQI
27th Sep 2025429 PMAQI
27th Sep 20253210 PMAQI
27th Sep 20252811 PMAQI
28th Sep 20253112 AMAQI
28th Sep 2025331 AMAQI
28th Sep 2025332 AMAQI
28th Sep 2025333 AMAQI
28th Sep 2025334 AMAQI
24°C22/27°C
28th Sep 2025335 AMAQI
28th Sep 2025336 AMAQI
28th Sep 2025377 AMAQI
28th Sep 2025448 AMAQI
28th Sep 2025449 AMAQI
28th Sep 20254410 AMAQI
28th Sep 20253811 AMAQI
28th Sep 20253312 PMAQI
28th Sep 2025331 PMAQI
28th Sep 2025372 PMAQI
28th Sep 2025373 PMAQI
28th Sep 2025354 PMAQI
28th Sep 2025325 PMAQI
28th Sep 2025266 PMAQI
28th Sep 2025297 PMAQI
28th Sep 2025288 PMAQI
28th Sep 2025309 PMAQI
28th Sep 20253210 PMAQI
28th Sep 20253911 PMAQI
29th Sep 20252712 AMAQI
29th Sep 2025201 AMAQI
29th Sep 2025212 AMAQI
29th Sep 2025193 AMAQI
29th Sep 2025244 AMAQI
25°C23/27°C
29th Sep 2025285 AMAQI
29th Sep 2025326 AMAQI
29th Sep 2025317 AMAQI
29th Sep 2025398 AMAQI
29th Sep 2025379 AMAQI
29th Sep 20253910 AMAQI
29th Sep 20254611 AMAQI
29th Sep 20254412 PMAQI
29th Sep 2025441 PMAQI
29th Sep 2025482 PMAQI
29th Sep 2025373 PMAQI
29th Sep 2025334 PMAQI
29th Sep 2025505 PMAQI
29th Sep 2025436 PMAQI
29th Sep 2025377 PMAQI
29th Sep 2025448 PMAQI
29th Sep 2025439 PMAQI
29th Sep 20254310 PMAQI
29th Sep 20254711 PMAQI
30th Sep 20253512 AMAQI
30th Sep 2025271 AMAQI
30th Sep 2025322 AMAQI
30th Sep 2025323 AMAQI
30th Sep 2025304 AMAQI
26°C23/30°C
30th Sep 2025265 AMAQI
30th Sep 2025246 AMAQI
30th Sep 2025257 AMAQI
30th Sep 2025308 AMAQI
30th Sep 2025299 AMAQI
30th Sep 20253410 AMAQI
30th Sep 20253311 AMAQI
30th Sep 20254512 PMAQI
30th Sep 2025441 PMAQI
30th Sep 2025452 PMAQI
30th Sep 2025353 PMAQI
30th Sep 2025344 PMAQI
30th Sep 2025415 PMAQI
30th Sep 2025486 PMAQI
30th Sep 2025387 PMAQI
30th Sep 2025358 PMAQI
30th Sep 2025389 PMAQI
30th Sep 20254210 PMAQI
30th Sep 20254411 PMAQI
1st Oct 20253412 AMAQI
1st Oct 2025361 AMAQI
1st Oct 2025422 AMAQI
1st Oct 2025353 AMAQI
1st Oct 2025444 AMAQI
24°C22/27°C
1st Oct 2025365 AMAQI
1st Oct 2025376 AMAQI
1st Oct 2025377 AMAQI
1st Oct 2025458 AMAQI
1st Oct 2025409 AMAQI
1st Oct 20253710 AMAQI
1st Oct 20254211 AMAQI
1st Oct 20254312 PMAQI
1st Oct 2025421 PMAQI
1st Oct 2025402 PMAQI
1st Oct 2025423 PMAQI
1st Oct 2025414 PMAQI
1st Oct 2025425 PMAQI
1st Oct 2025406 PMAQI
1st Oct 2025447 PMAQI
1st Oct 2025458 PMAQI
1st Oct 2025489 PMAQI
1st Oct 20254610 PMAQI
1st Oct 20254811 PMAQI
2nd Oct 20255212 AMAQI
2nd Oct 2025481 AMAQI
2nd Oct 2025462 AMAQI
2nd Oct 2025453 AMAQI
2nd Oct 2025444 AMAQI
21°C19/21°C
2nd Oct 2025535 AMAQI
2nd Oct 2025526 AMAQI
2nd Oct 2025557 AMAQI
2nd Oct 2025578 AMAQI
2nd Oct 2025569 AMAQI
2nd Oct 20255910 AMAQI
2nd Oct 20255611 AMAQI
2nd Oct 20255812 PMAQI
2nd Oct 2025591 PMAQI
2nd Oct 2025572 PMAQI
2nd Oct 2025533 PMAQI
2nd Oct 2025514 PMAQI
2nd Oct 2025535 PMAQI
2nd Oct 2025486 PMAQI
2nd Oct 2025467 PMAQI
2nd Oct 2025528 PMAQI
2nd Oct 2025519 PMAQI
2nd Oct 20255410 PMAQI
2nd Oct 20256011 PMAQI
3rd Oct 20256212 AMAQI
3rd Oct 2025631 AMAQI
3rd Oct 2025632 AMAQI
3rd Oct 2025603 AMAQI
3rd Oct 2025604 AMAQI
23°C20/27°C
3rd Oct 2025585 AMAQI
3rd Oct 2025586 AMAQI
3rd Oct 2025587 AMAQI
3rd Oct 2025618 AMAQI
3rd Oct 2025599 AMAQI
3rd Oct 20256110 AMAQI
3rd Oct 20256211 AMAQI
3rd Oct 20256412 PMAQI
3rd Oct 2025601 PMAQI
3rd Oct 2025582 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025544 PMAQI
3rd Oct 2025575 PMAQI
3rd Oct 2025606 PMAQI
3rd Oct 2025637 PMAQI
3rd Oct 2025488 PMAQI
3rd Oct 2025649 PMAQI
3rd Oct 20257010 PMAQI
3rd Oct 20256911 PMAQI
4th Oct 20256712 AMAQI
4th Oct 2025641 AMAQI
4th Oct 2025652 AMAQI
4th Oct 2025663 AMAQI
4th Oct 2025704 AMAQI
23°C21/26°C
4th Oct 2025635 AMAQI
4th Oct 2025606 AMAQI
4th Oct 2025647 AMAQI
4th Oct 2025628 AMAQI
4th Oct 2025609 AMAQI
4th Oct 20256110 AMAQI
4th Oct 20256411 AMAQI
4th Oct 20256612 PMAQI
4th Oct 2025621 PMAQI
4th Oct 2025632 PMAQI
4th Oct 2025603 PMAQI
4th Oct 2025584 PMAQI
4th Oct 2025575 PMAQI
4th Oct 2025486 PMAQI
4th Oct 2025467 PMAQI
4th Oct 2025528 PMAQI
4th Oct 2025499 PMAQI
4th Oct 20254910 PMAQI
4th Oct 20255811 PMAQI
5th Oct 20256212 AMAQI
5th Oct 2025641 AMAQI
5th Oct 2025622 AMAQI
5th Oct 2025583 AMAQI
5th Oct 2025534 AMAQI
23°C22/26°C
5th Oct 2025565 AMAQI
5th Oct 2025566 AMAQI
5th Oct 2025567 AMAQI
5th Oct 2025568 AMAQI
5th Oct 2025589 AMAQI
5th Oct 20255710 AMAQI
5th Oct 20256111 AMAQI
5th Oct 20256012 PMAQI
5th Oct 2025641 PMAQI
5th Oct 2025642 PMAQI
5th Oct 2025593 PMAQI
5th Oct 2025584 PMAQI
5th Oct 2025575 PMAQI
5th Oct 2025586 PMAQI
5th Oct 2025667 PMAQI
5th Oct 2025688 PMAQI
5th Oct 2025569 PMAQI
5th Oct 20255110 PMAQI
5th Oct 20255711 PMAQI
6th Oct 20255512 AMAQI
6th Oct 2025561 AMAQI
6th Oct 2025502 AMAQI
6th Oct 2025413 AMAQI
6th Oct 2025454 AMAQI
25°C21/27°C
6th Oct 2025525 AMAQI
6th Oct 2025506 AMAQI
6th Oct 2025537 AMAQI
6th Oct 2025588 AMAQI
6th Oct 2025649 AMAQI
6th Oct 20256710 AMAQI
6th Oct 20256511 AMAQI
6th Oct 20256612 PMAQI
6th Oct 2025651 PMAQI
6th Oct 2025612 PMAQI
6th Oct 2025653 PMAQI
6th Oct 2025644 PMAQI
6th Oct 2025575 PMAQI
6th Oct 2025516 PMAQI
6th Oct 2025537 PMAQI
6th Oct 2025548 PMAQI
6th Oct 2025569 PMAQI
6th Oct 20255310 PMAQI
6th Oct 20255511 PMAQI
7th Oct 20256012 AMAQI
7th Oct 2025611 AMAQI
7th Oct 2025602 AMAQI
24°C21/27°C
7th Oct 2025548 PMAQI
7th Oct 2025409 PMAQI
7th Oct 20256010 PMAQI
7th Oct 20255811 PMAQI
8th Oct 20255612 AMAQI
8th Oct 2025561 AMAQI
8th Oct 2025532 AMAQI
8th Oct 2025553 AMAQI
8th Oct 2025564 AMAQI
22°C21/24°C
8th Oct 2025565 AMAQI
8th Oct 2025526 AMAQI
8th Oct 2025567 AMAQI
8th Oct 2025618 AMAQI
8th Oct 2025579 AMAQI
8th Oct 20255710 AMAQI
8th Oct 20255811 AMAQI
8th Oct 20256212 PMAQI
8th Oct 2025661 PMAQI
8th Oct 2025672 PMAQI
8th Oct 2025663 PMAQI
8th Oct 2025614 PMAQI
8th Oct 2025625 PMAQI
8th Oct 2025626 PMAQI
8th Oct 2025647 PMAQI
8th Oct 2025788 PMAQI
8th Oct 2025759 PMAQI
8th Oct 20256710 PMAQI
8th Oct 20256611 PMAQI
9th Oct 20256212 AMAQI
9th Oct 2025651 AMAQI
9th Oct 2025642 AMAQI
9th Oct 2025663 AMAQI
9th Oct 2025644 AMAQI
24°C21/28°C
9th Oct 2025585 AMAQI
9th Oct 2025566 AMAQI
9th Oct 2025577 AMAQI
9th Oct 2025518 AMAQI
9th Oct 2025459 AMAQI
9th Oct 20254610 AMAQI
9th Oct 20255411 AMAQI
9th Oct 20255512 PMAQI
9th Oct 2025641 PMAQI
9th Oct 2025642 PMAQI
9th Oct 2025653 PMAQI
9th Oct 2025634 PMAQI
9th Oct 2025595 PMAQI
9th Oct 2025586 PMAQI
9th Oct 2025597 PMAQI
9th Oct 2025588 PMAQI
9th Oct 2025579 PMAQI
9th Oct 20255510 PMAQI
9th Oct 20255811 PMAQI
10th Oct 20255712 AMAQI
10th Oct 2025591 AMAQI
10th Oct 2025592 AMAQI
10th Oct 2025543 AMAQI
10th Oct 2025554 AMAQI
21°C19/22°C
10th Oct 2025545 AMAQI
10th Oct 2025526 AMAQI
10th Oct 2025567 AMAQI
10th Oct 2025598 AMAQI
10th Oct 2025589 AMAQI
10th Oct 20255610 AMAQI
10th Oct 20255911 AMAQI
10th Oct 20256012 PMAQI
10th Oct 2025591 PMAQI
10th Oct 2025592 PMAQI
10th Oct 2025593 PMAQI
10th Oct 2025614 PMAQI
10th Oct 2025575 PMAQI
10th Oct 2025556 PMAQI
10th Oct 2025577 PMAQI
10th Oct 2025698 PMAQI
10th Oct 2025639 PMAQI
10th Oct 20256210 PMAQI
10th Oct 20256711 PMAQI
11th Oct 20256612 AMAQI
11th Oct 2025661 AMAQI
11th Oct 2025672 AMAQI
11th Oct 2025663 AMAQI
11th Oct 2025644 AMAQI
20°C18/24°C
11th Oct 2025615 AMAQI
11th Oct 2025646 AMAQI
11th Oct 2025597 AMAQI
11th Oct 2025618 AMAQI
11th Oct 2025619 AMAQI
11th Oct 20256010 AMAQI
11th Oct 20254911 AMAQI
11th Oct 20254612 PMAQI
11th Oct 2025501 PMAQI
11th Oct 2025452 PMAQI
11th Oct 2025473 PMAQI
11th Oct 2025464 PMAQI
11th Oct 2025515 PMAQI
11th Oct 2025476 PMAQI
11th Oct 2025357 PMAQI
11th Oct 2025198 PMAQI
11th Oct 2025209 PMAQI
11th Oct 20252510 PMAQI
11th Oct 20252011 PMAQI
12th Oct 20252812 AMAQI
12th Oct 2025441 AMAQI
12th Oct 2025512 AMAQI
12th Oct 2025493 AMAQI
12th Oct 2025444 AMAQI
19°C18/20°C
12th Oct 2025415 AMAQI
12th Oct 2025396 AMAQI
12th Oct 2025437 AMAQI
12th Oct 2025428 AMAQI
12th Oct 2025479 AMAQI
12th Oct 20254910 AMAQI
12th Oct 20254811 AMAQI
12th Oct 20254712 PMAQI
12th Oct 2025491 PMAQI
12th Oct 2025432 PMAQI
12th Oct 2025403 PMAQI
12th Oct 2025454 PMAQI
12th Oct 2025565 PMAQI
12th Oct 2025666 PMAQI
12th Oct 2025677 PMAQI
12th Oct 2025678 PMAQI
12th Oct 2025689 PMAQI
12th Oct 20257010 PMAQI
12th Oct 20256811 PMAQI
13th Oct 20256512 AMAQI
13th Oct 2025601 AMAQI
13th Oct 2025622 AMAQI
13th Oct 2025593 AMAQI
13th Oct 2025524 AMAQI
21°C17/23°C
13th Oct 2025535 AMAQI
13th Oct 2025576 AMAQI
13th Oct 2025577 AMAQI
13th Oct 2025588 AMAQI
13th Oct 2025599 AMAQI
13th Oct 20256010 AMAQI
13th Oct 20256011 AMAQI
13th Oct 20256212 PMAQI
13th Oct 2025631 PMAQI
13th Oct 2025642 PMAQI
13th Oct 2025623 PMAQI
13th Oct 2025624 PMAQI
13th Oct 2025565 PMAQI
13th Oct 2025466 PMAQI
13th Oct 2025537 PMAQI
13th Oct 2025528 PMAQI
13th Oct 2025479 PMAQI
13th Oct 20254810 PMAQI
13th Oct 20255511 PMAQI
14th Oct 20255712 AMAQI
14th Oct 2025601 AMAQI
14th Oct 2025562 AMAQI
14th Oct 2025573 AMAQI
14th Oct 2025614 AMAQI
22°C20/24°C
14th Oct 2025645 AMAQI
14th Oct 2025646 AMAQI
14th Oct 2025627 AMAQI
14th Oct 2025588 AMAQI
14th Oct 2025599 AMAQI
14th Oct 20256210 AMAQI
14th Oct 20256011 AMAQI
14th Oct 20256012 PMAQI
14th Oct 2025591 PMAQI
14th Oct 2025582 PMAQI
14th Oct 2025583 PMAQI
14th Oct 2025574 PMAQI
14th Oct 2025575 PMAQI
14th Oct 2025586 PMAQI
14th Oct 2025517 PMAQI
14th Oct 2025458 PMAQI
14th Oct 2025459 PMAQI
14th Oct 20254810 PMAQI
14th Oct 20254811 PMAQI
15th Oct 20254012 AMAQI
15th Oct 2025451 AMAQI
15th Oct 2025452 AMAQI
15th Oct 2025453 AMAQI
15th Oct 2025404 AMAQI
19°C17/21°C
15th Oct 2025405 AMAQI
15th Oct 2025336 AMAQI
15th Oct 2025177 AMAQI
15th Oct 2025218 AMAQI
15th Oct 2025439 AMAQI
15th Oct 20254310 AMAQI
15th Oct 20255211 AMAQI
15th Oct 20255212 PMAQI
15th Oct 2025511 PMAQI
15th Oct 2025522 PMAQI
15th Oct 2025523 PMAQI
15th Oct 2025524 PMAQI
15th Oct 2025515 PMAQI
15th Oct 2025576 PMAQI
15th Oct 2025597 PMAQI
15th Oct 2025588 PMAQI
15th Oct 2025569 PMAQI
15th Oct 20255510 PMAQI
15th Oct 20255411 PMAQI
16th Oct 20255312 AMAQI
16th Oct 2025561 AMAQI
16th Oct 2025572 AMAQI
16th Oct 2025583 AMAQI
16th Oct 2025564 AMAQI
19°C17/20°C
16th Oct 2025585 AMAQI
16th Oct 2025576 AMAQI
16th Oct 2025577 AMAQI
16th Oct 2025578 AMAQI
16th Oct 2025599 AMAQI
16th Oct 20255810 AMAQI
16th Oct 20256111 AMAQI
16th Oct 20256212 PMAQI
16th Oct 2025591 PMAQI
16th Oct 2025622 PMAQI
16th Oct 2025623 PMAQI
16th Oct 2025634 PMAQI
16th Oct 2025665 PMAQI
16th Oct 2025746 PMAQI
16th Oct 2025777 PMAQI
16th Oct 2025808 PMAQI
16th Oct 2025799 PMAQI
16th Oct 20257610 PMAQI
16th Oct 20257311 PMAQI
17th Oct 20255812 AMAQI
17th Oct 2025571 AMAQI
17th Oct 2025582 AMAQI
17th Oct 2025563 AMAQI
17th Oct 2025554 AMAQI
20°C18/22°C
17th Oct 2025545 AMAQI
17th Oct 2025496 AMAQI
17th Oct 2025567 AMAQI
17th Oct 2025558 AMAQI
17th Oct 2025559 AMAQI
17th Oct 20255410 AMAQI
17th Oct 20255111 AMAQI
17th Oct 20254412 PMAQI
17th Oct 2025481 PMAQI
17th Oct 2025532 PMAQI
17th Oct 2025473 PMAQI
17th Oct 2025464 PMAQI
17th Oct 2025495 PMAQI
17th Oct 2025496 PMAQI
17th Oct 2025537 PMAQI
17th Oct 2025558 PMAQI
17th Oct 2025599 PMAQI
17th Oct 20255610 PMAQI
17th Oct 20255811 PMAQI
18th Oct 20256312 AMAQI
18th Oct 2025591 AMAQI
18th Oct 2025582 AMAQI
18th Oct 2025603 AMAQI
18th Oct 2025604 AMAQI
21°C19/24°C
18th Oct 2025585 AMAQI
18th Oct 2025526 AMAQI
18th Oct 2025607 AMAQI
18th Oct 2025618 AMAQI
18th Oct 2025589 AMAQI
18th Oct 20256110 AMAQI
18th Oct 20256211 AMAQI
18th Oct 20256412 PMAQI
18th Oct 2025661 PMAQI
18th Oct 2025662 PMAQI
18th Oct 2025663 PMAQI
18th Oct 2025644 PMAQI
18th Oct 2025665 PMAQI
18th Oct 2025626 PMAQI
18th Oct 2025557 PMAQI
18th Oct 2025538 PMAQI
18th Oct 2025559 PMAQI
18th Oct 20255610 PMAQI
18th Oct 20254611 PMAQI
19th Oct 20254812 AMAQI
19th Oct 2025571 AMAQI
19th Oct 2025542 AMAQI
19th Oct 2025523 AMAQI
19th Oct 2025534 AMAQI
22°C19/25°C
19th Oct 2025435 AMAQI
19th Oct 2025446 AMAQI
19th Oct 2025557 AMAQI
19th Oct 2025578 AMAQI
19th Oct 2025669 AMAQI
19th Oct 20256910 AMAQI
19th Oct 20256511 AMAQI
19th Oct 20255612 PMAQI
19th Oct 2025551 PMAQI
19th Oct 2025562 PMAQI
19th Oct 2025543 PMAQI
19th Oct 2025544 PMAQI
19th Oct 2025535 PMAQI
19th Oct 2025586 PMAQI
19th Oct 2025587 PMAQI
19th Oct 2025558 PMAQI
19th Oct 2025569 PMAQI
19th Oct 20255410 PMAQI
19th Oct 20255811 PMAQI
20th Oct 20255712 AMAQI
20th Oct 2025551 AMAQI
20th Oct 2025532 AMAQI
20th Oct 2025553 AMAQI
20th Oct 2025554 AMAQI
21°C18/23°C
20th Oct 2025565 AMAQI
20th Oct 2025256 AMAQI
20th Oct 2025187 AMAQI
20th Oct 2025178 AMAQI
20th Oct 2025269 AMAQI
20th Oct 20254510 AMAQI
20th Oct 20255311 AMAQI
20th Oct 20255512 PMAQI
20th Oct 2025541 PMAQI
20th Oct 2025552 PMAQI
20th Oct 2025563 PMAQI
20th Oct 2025554 PMAQI
20th Oct 2025565 PMAQI
20th Oct 2025556 PMAQI
20th Oct 2025567 PMAQI
20th Oct 2025558 PMAQI
20th Oct 2025569 PMAQI
20th Oct 20255510 PMAQI
20th Oct 20254711 PMAQI
21st Oct 20251612 AMAQI
21st Oct 2025151 AMAQI
21st Oct 2025152 AMAQI
21st Oct 2025173 AMAQI
21st Oct 2025164 AMAQI
18°C16/20°C
21st Oct 2025155 AMAQI
21st Oct 2025156 AMAQI
21st Oct 2025157 AMAQI
21st Oct 2025158 AMAQI
21st Oct 2025169 AMAQI
21st Oct 20252110 AMAQI
21st Oct 20251811 AMAQI
21st Oct 20251612 PMAQI
21st Oct 2025161 PMAQI
21st Oct 2025242 PMAQI
21st Oct 2025373 PMAQI
21st Oct 2025494 PMAQI
21st Oct 2025535 PMAQI
21st Oct 2025506 PMAQI
21st Oct 2025547 PMAQI
21st Oct 2025538 PMAQI
21st Oct 2025559 PMAQI
21st Oct 20255310 PMAQI
21st Oct 20253111 PMAQI
22nd Oct 20253012 AMAQI
22nd Oct 2025301 AMAQI
22nd Oct 2025362 AMAQI
22nd Oct 2025393 AMAQI
22nd Oct 2025384 AMAQI
15°C14/16°C
22nd Oct 2025345 AMAQI
5 AM22nd Oct 2025236 AMAQI
22nd Oct 2025227 AMAQI
22nd Oct 2025238 AMAQI
22nd Oct 2025269 AMAQI
22nd Oct 20253010 AMAQI
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
8 AM - 5 PM
48AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
6 AM - 7 AM
43AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 5 PM (Avg. 48), while the lowest AQI was between 6 AM to 7 AM (Avg. 43).
Night time
Avg. Highest Time
6 PM - 11 PM
49AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 4 AM
46AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 11 PM (Avg. 49), while the lowest AQI was between 12 AM to 4 AM (Avg. 46).
2025 Days Vs Air Quality
Takazu, Yachiyo, Chiba, Japan
2025
84%
247
16%
47
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Good
247 DaysModerate
47 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 295 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
Takazu, Yachiyo, 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
34AQI
34AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
25AQI
25AQI
4th January 2025
29AQI
29AQI
5th January 2025
37AQI
37AQI
6th January 2025
52AQI
52AQI
7th January 2025
31AQI
31AQI
8th January 2025
35AQI
35AQI
9th January 2025
29AQI
29AQI
10th January 2025
30AQI
30AQI
11th January 2025
32AQI
32AQI
12th January 2025
34AQI
34AQI
13th January 2025
30AQI
30AQI
14th January 2025
43AQI
43AQI
15th January 2025
34AQI
34AQI
16th January 2025
35AQI
35AQI
17th January 2025
26AQI
26AQI
18th January 2025
36AQI
36AQI
19th January 2025
55AQI
55AQI
20th January 2025
41AQI
41AQI
21st January 2025
45AQI
45AQI
22nd January 2025
41AQI
41AQI
23rd January 2025
53AQI
53AQI
24th January 2025
46AQI
46AQI
25th January 2025
42AQI
42AQI
26th January 2025
38AQI
38AQI
27th January 2025
38AQI
38AQI
28th January 2025
38AQI
38AQI
29th January 2025
31AQI
31AQI
30th January 2025
33AQI
33AQI
31st January 2025
30AQI
30AQI
1st February 2025
39AQI
39AQI
2nd February 2025
34AQI
34AQI
3rd February 2025
39AQI
39AQI
4th February 2025
32AQI
32AQI
5th February 2025
34AQI
34AQI
6th February 2025
30AQI
30AQI
7th February 2025
29AQI
29AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
30AQI
30AQI
11th February 2025
32AQI
32AQI
12th February 2025
32AQI
32AQI
13th February 2025
41AQI
41AQI
14th February 2025
30AQI
30AQI
15th February 2025
43AQI
43AQI
16th February 2025
39AQI
39AQI
17th February 2025
40AQI
40AQI
18th February 2025
33AQI
33AQI
19th February 2025
32AQI
32AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
34AQI
34AQI
25th February 2025
35AQI
35AQI
26th February 2025
38AQI
38AQI
27th February 2025
40AQI
40AQI
28th February 2025
56AQI
56AQI
1st March 2025
48AQI
48AQI
2nd March 2025
62AQI
62AQI
3rd March 2025
39AQI
39AQI
4th March 2025
41AQI
41AQI
5th March 2025
26AQI
26AQI
6th March 2025
33AQI
33AQI
7th March 2025
32AQI
32AQI
8th March 2025
34AQI
34AQI
9th March 2025
33AQI
33AQI
10th March 2025
35AQI
35AQI
11th March 2025
41AQI
41AQI
12th March 2025
43AQI
43AQI
13th March 2025
39AQI
39AQI
14th March 2025
39AQI
39AQI
15th March 2025
33AQI
33AQI
16th March 2025
25AQI
25AQI
17th March 2025
20AQI
20AQI
18th March 2025
23AQI
23AQI
19th March 2025
17AQI
17AQI
20th March 2025
23AQI
23AQI
21st March 2025
42AQI
42AQI
22nd March 2025
48AQI
48AQI
23rd March 2025
55AQI
55AQI
24th March 2025
52AQI
52AQI
25th March 2025
66AQI
66AQI
26th March 2025
79AQI
79AQI
27th March 2025
70AQI
70AQI
28th March 2025
47AQI
47AQI
29th March 2025
39AQI
39AQI
30th March 2025
42AQI
42AQI
31st March 2025
33AQI
33AQI
1st April 2025
28AQI
28AQI
2nd April 2025
22AQI
22AQI
3rd April 2025
20AQI
20AQI
4th April 2025
21AQI
21AQI
5th April 2025
22AQI
22AQI
6th April 2025
25AQI
25AQI
7th April 2025
30AQI
30AQI
8th April 2025
37AQI
37AQI
9th April 2025
26AQI
26AQI
10th April 2025
47AQI
47AQI
11th April 2025
40AQI
40AQI
12th April 2025
37AQI
37AQI
13th April 2025
28AQI
28AQI
14th April 2025
40AQI
40AQI
15th April 2025
27AQI
27AQI
16th April 2025
34AQI
34AQI
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
29AQI
29AQI
24th April 2025
38AQI
38AQI
25th April 2025
38AQI
38AQI
26th April 2025
46AQI
46AQI
27th April 2025
48AQI
48AQI
28th April 2025
45AQI
45AQI
29th April 2025
34AQI
34AQI
30th April 2025
45AQI
45AQI
1st May 2025
40AQI
40AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
31AQI
31AQI
4th May 2025
37AQI
37AQI
5th May 2025
36AQI
36AQI
6th May 2025
28AQI
28AQI
7th May 2025
24AQI
24AQI
8th May 2025
27AQI
27AQI
9th May 2025
29AQI
29AQI
10th May 2025
24AQI
24AQI
11th May 2025
30AQI
30AQI
12th May 2025
25AQI
25AQI
13th May 2025
35AQI
35AQI
14th May 2025
34AQI
34AQI
15th May 2025
39AQI
39AQI
16th May 2025
42AQI
42AQI
17th May 2025
28AQI
28AQI
18th May 2025
46AQI
46AQI
19th May 2025
41AQI
41AQI
20th May 2025
63AQI
63AQI
21st May 2025
43AQI
43AQI
22nd May 2025
44AQI
44AQI
23rd May 2025
39AQI
39AQI
24th May 2025
38AQI
38AQI
25th May 2025
30AQI
30AQI
26th May 2025
27AQI
27AQI
27th May 2025
25AQI
25AQI
28th May 2025
24AQI
24AQI
29th May 2025
27AQI
27AQI
30th May 2025
25AQI
25AQI
31st May 2025
16AQI
16AQI
1st June 2025
20AQI
20AQI
2nd June 2025
28AQI
28AQI
3rd June 2025
31AQI
31AQI
4th June 2025
33AQI
33AQI
5th June 2025
39AQI
39AQI
6th June 2025
46AQI
46AQI
7th June 2025
49AQI
49AQI
8th June 2025
56AQI
56AQI
9th June 2025
43AQI
43AQI
10th June 2025
35AQI
35AQI
11th June 2025
29AQI
29AQI
12th June 2025
39AQI
39AQI
13th June 2025
36AQI
36AQI
14th June 2025
33AQI
33AQI
15th June 2025
40AQI
40AQI
16th June 2025
41AQI
41AQI
17th June 2025
51AQI
51AQI
18th June 2025
42AQI
42AQI
19th June 2025
40AQI
40AQI
20th June 2025
34AQI
34AQI
21st June 2025
32AQI
32AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
26AQI
26AQI
24th June 2025
24AQI
24AQI
25th June 2025
21AQI
21AQI
26th June 2025
23AQI
23AQI
27th June 2025
33AQI
33AQI
28th June 2025
30AQI
30AQI
29th June 2025
35AQI
35AQI
30th June 2025
40AQI
40AQI
1st July 2025
41AQI
41AQI
2nd July 2025
46AQI
46AQI
3rd July 2025
42AQI
42AQI
4th July 2025
45AQI
45AQI
5th July 2025
53AQI
53AQI
6th July 2025
70AQI
70AQI
7th July 2025
77AQI
77AQI
8th July 2025
78AQI
78AQI
9th July 2025
72AQI
72AQI
10th July 2025
53AQI
53AQI
11th July 2025
46AQI
46AQI
12th July 2025
49AQI
49AQI
13th July 2025
45AQI
45AQI
14th July 2025
38AQI
38AQI
15th July 2025
37AQI
37AQI
16th July 2025
37AQI
37AQI
17th July 2025
40AQI
40AQI
18th July 2025
39AQI
39AQI
19th July 2025
32AQI
32AQI
20th July 2025
31AQI
31AQI
21st July 2025
34AQI
34AQI
22nd July 2025
34AQI
34AQI
23rd July 2025
37AQI
37AQI
24th July 2025
36AQI
36AQI
25th July 2025
32AQI
32AQI
26th July 2025
31AQI
31AQI
27th July 2025
29AQI
29AQI
28th July 2025
36AQI
36AQI
29th July 2025
32AQI
32AQI
30th July 2025
31AQI
31AQI
31st July 2025
30AQI
30AQI
1st August 2025
33AQI
33AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
44AQI
44AQI
4th August 2025
61AQI
61AQI
5th August 2025
50AQI
50AQI
6th August 2025
51AQI
51AQI
7th August 2025
50AQI
50AQI
8th August 2025
47AQI
47AQI
9th August 2025
47AQI
47AQI
10th August 2025
38AQI
38AQI
11th August 2025
39AQI
39AQI
12th August 2025
35AQI
35AQI
13th August 2025
33AQI
33AQI
14th August 2025
34AQI
34AQI
15th August 2025
35AQI
35AQI
16th August 2025
36AQI
36AQI
17th August 2025
39AQI
39AQI
18th August 2025
43AQI
43AQI
19th August 2025
45AQI
45AQI
20th August 2025
47AQI
47AQI
21st August 2025
50AQI
50AQI
22nd August 2025
49AQI
49AQI
23rd August 2025
48AQI
48AQI
24th August 2025
55AQI
55AQI
25th August 2025
55AQI
55AQI
26th August 2025
53AQI
53AQI
27th August 2025
50AQI
50AQI
28th August 2025
45AQI
45AQI
29th August 2025
51AQI
51AQI
30th August 2025
55AQI
55AQI
31st August 2025
53AQI
53AQI
1st September 2025
42AQI
42AQI
2nd September 2025
37AQI
37AQI
3rd September 2025
37AQI
37AQI
4th September 2025
30AQI
30AQI
5th September 2025
28AQI
28AQI
6th September 2025
29AQI
29AQI
7th September 2025
29AQI
29AQI
8th September 2025
39AQI
39AQI
9th September 2025
42AQI
42AQI
10th September 2025
36AQI
36AQI
11th September 2025
31AQI
31AQI
12th September 2025
31AQI
31AQI
13th September 2025
28AQI
28AQI
14th September 2025
35AQI
35AQI
15th September 2025
36AQI
36AQI
16th September 2025
36AQI
36AQI
17th September 2025
48AQI
48AQI
18th September 2025
45AQI
45AQI
19th September 2025
33AQI
33AQI
20th September 2025
35AQI
35AQI
21st September 2025
29AQI
29AQI
22nd September 2025
28AQI
28AQI
23rd September 2025
27AQI
27AQI
24th September 2025
28AQI
28AQI
25th September 2025
35AQI
35AQI
26th September 2025
48AQI
48AQI
27th September 2025
34AQI
34AQI
28th September 2025
33AQI
33AQI
29th September 2025
37AQI
37AQI
30th September 2025
39AQI
39AQI
1st October 2025
42AQI
42AQI
2nd October 2025
52AQI
52AQI
3rd October 2025
60AQI
60AQI
4th October 2025
61AQI
61AQI
5th October 2025
58AQI
58AQI
6th October 2025
53AQI
53AQI
7th October 2025
55AQI
55AQI
8th October 2025
60AQI
60AQI
9th October 2025
59AQI
59AQI
10th October 2025
58AQI
58AQI
11th October 2025
51AQI
51AQI
12th October 2025
45AQI
45AQI
13th October 2025
59AQI
59AQI
14th October 2025
56AQI
56AQI
15th October 2025
47AQI
47AQI
16th October 2025
62AQI
62AQI
17th October 2025
55AQI
55AQI
18th October 2025
60AQI
60AQI
19th October 2025
52AQI
52AQI
20th October 2025
51AQI
51AQI
21st October 2025
17AQI
17AQI
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
37AQI
35AQI
41AQI
37AQI
33AQI
35AQI
43AQI
46AQI
35AQI
53AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
28
3
27
1
25
6
27
3
30
1
28
2
25
6
23
8
30
4
17
247
47
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
May33AQI
202438AQI
25
6
26
3
25
6
23
7
26
5
28
2
17
14
30
1
28
2
29
2
27
3
30
1
314
52
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
September29AQI
202339AQI
22
9
19
9
28
3
22
8
29
2
24
6
27
4
30
1
30
29
2
20
9
21
10
301
63
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
August25AQI
202239AQI
24
7
15
6
23
8
13
4
26
5
25
5
19
2
1
28
28
3
22
8
24
7
248
55
Highest AQI recorded in
February44AQI
Lowest AQI recorded in
August29AQI
202137AQI
19
10
1
19
9
24
7
27
3
27
4
27
3
29
2
28
3
28
2
28
3
22
8
18
13
296
67
1
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
August29AQI
202035AQI
11
2
18
3
18
24
6
31
22
9
19
29
2
18
12
14
17
204
51
Highest AQI recorded in
December48AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2020(Avg.)
35AQITakazu's annual 2025 AQI (39) shows an average percentage change of 3.8% (worsened AQI) compared to previous years: 2020 (35), 2021 (37), 2022 (39), 2023 (39), 2024 (38).
