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Anesaki, Ichihara, 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

Anesaki, Ichihara, Chiba, Japan

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
23rd Oct 2022
78AQI
Lowest AQI recorded on
4th Oct 2024
15AQI

Same Day Analysis (13th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 13th Oct - 14th Oct 2025

Anesaki, Ichihara, Chiba, Japan

AQI
Day
Night
.

5 AM13th Oct 2025

5 PM

4 AM14th Oct 2025

Day time
Avg. Highest Time
9AM13th Oct

66AQI

Avg. Lowest Time
12PM13th Oct

34AQI

Night time
Avg. Highest Time
4AM14th Oct

54AQI

Avg. Lowest Time
11PM13th Oct

38AQI

In the last 24 hours,

Anesaki's AQI reached its highest point of 66 at 9 AM during the Day, while the lowest point, 34, was recorded at 12 PM during the Day between 13th Oct and 14th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Anesaki, Ichihara, Chiba, Japan

SepOct
14th - 15th15th - 16th16th - 17th17th - 18th18th - 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
Day
Night
14th Sep 2025335 AMAQI
14th Sep 2025336 AMAQI
14th Sep 2025337 AMAQI
14th Sep 2025358 AMAQI
14th Sep 2025339 AMAQI
14th Sep 20252810 AMAQI
14th Sep 20253311 AMAQI
14th Sep 20253212 PMAQI
14th Sep 2025321 PMAQI
14th Sep 2025362 PMAQI
14th Sep 2025383 PMAQI
14th Sep 2025404 PMAQI
14th Sep 2025455 PMAQI
14th Sep 2025526 PMAQI
14th Sep 2025517 PMAQI
14th Sep 2025438 PMAQI
14th Sep 2025409 PMAQI
14th Sep 20253810 PMAQI
14th Sep 20254111 PMAQI
15th Sep 20254212 AMAQI
15th Sep 2025361 AMAQI
15th Sep 2025352 AMAQI
15th Sep 2025353 AMAQI
15th Sep 2025344 AMAQI

28°C27/29°C

15th Sep 2025355 AMAQI
15th Sep 2025346 AMAQI
15th Sep 2025357 AMAQI
15th Sep 2025348 AMAQI
15th Sep 2025439 AMAQI
15th Sep 20255010 AMAQI
15th Sep 20255011 AMAQI
15th Sep 20254712 PMAQI
15th Sep 2025371 PMAQI
15th Sep 2025352 PMAQI
15th Sep 2025243 PMAQI
15th Sep 2025244 PMAQI
15th Sep 2025235 PMAQI
15th Sep 2025236 PMAQI
15th Sep 2025287 PMAQI
15th Sep 2025278 PMAQI
15th Sep 2025339 PMAQI
15th Sep 20253410 PMAQI
15th Sep 20253811 PMAQI
16th Sep 20253512 AMAQI
16th Sep 2025351 AMAQI
16th Sep 2025352 AMAQI
16th Sep 2025353 AMAQI
16th Sep 2025364 AMAQI

27°C25/30°C

16th Sep 2025375 AMAQI
16th Sep 2025376 AMAQI
16th Sep 2025377 AMAQI
16th Sep 2025378 AMAQI
16th Sep 2025329 AMAQI
16th Sep 20253110 AMAQI
16th Sep 20253311 AMAQI
16th Sep 20253412 PMAQI
16th Sep 2025351 PMAQI
16th Sep 2025382 PMAQI
16th Sep 2025333 PMAQI
16th Sep 2025304 PMAQI
16th Sep 2025255 PMAQI
16th Sep 2025226 PMAQI
16th Sep 2025247 PMAQI
16th Sep 2025278 PMAQI
16th Sep 2025299 PMAQI
16th Sep 20253010 PMAQI
16th Sep 20253211 PMAQI
17th Sep 20253012 AMAQI
17th Sep 2025351 AMAQI
17th Sep 2025352 AMAQI
17th Sep 2025353 AMAQI
17th Sep 2025364 AMAQI

27°C25/30°C

17th Sep 2025375 AMAQI
17th Sep 2025376 AMAQI
17th Sep 2025377 AMAQI
17th Sep 2025368 AMAQI
17th Sep 2025419 AMAQI
17th Sep 20254310 AMAQI
17th Sep 20254611 AMAQI
17th Sep 20255312 PMAQI
17th Sep 2025601 PMAQI
17th Sep 2025592 PMAQI
17th Sep 2025593 PMAQI
17th Sep 2025554 PMAQI
17th Sep 2025585 PMAQI
17th Sep 2025596 PMAQI
17th Sep 2025607 PMAQI
17th Sep 2025538 PMAQI
17th Sep 2025549 PMAQI
17th Sep 20255810 PMAQI
17th Sep 20255911 PMAQI
18th Sep 20255412 AMAQI
18th Sep 2025401 AMAQI
18th Sep 2025352 AMAQI
18th Sep 2025353 AMAQI
18th Sep 2025374 AMAQI

28°C26/31°C

18th Sep 2025425 AMAQI
18th Sep 2025416 AMAQI
18th Sep 2025427 AMAQI
18th Sep 2025418 AMAQI
18th Sep 2025669 AMAQI
18th Sep 20257410 AMAQI
18th Sep 20257711 AMAQI
18th Sep 20257412 PMAQI
18th Sep 2025691 PMAQI
18th Sep 2025692 PMAQI
18th Sep 2025713 PMAQI
18th Sep 2025704 PMAQI
18th Sep 2025685 PMAQI
18th Sep 2025496 PMAQI
18th Sep 2025377 PMAQI
18th Sep 2025398 PMAQI
18th Sep 2025349 PMAQI
18th Sep 20253610 PMAQI
18th Sep 20253411 PMAQI
19th Sep 20253412 AMAQI
19th Sep 2025401 AMAQI
19th Sep 2025422 AMAQI
19th Sep 2025413 AMAQI
19th Sep 2025454 AMAQI

28°C23/31°C

19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025537 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025309 AMAQI
19th Sep 20252710 AMAQI
19th Sep 20253411 AMAQI
19th Sep 20253212 PMAQI
19th Sep 2025271 PMAQI
19th Sep 2025252 PMAQI
19th Sep 2025233 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025275 PMAQI
19th Sep 2025286 PMAQI
19th Sep 2025277 PMAQI
19th Sep 2025308 PMAQI
19th Sep 2025389 PMAQI
19th Sep 20253710 PMAQI
19th Sep 20253611 PMAQI
20th Sep 20254212 AMAQI
20th Sep 2025441 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025473 AMAQI
20th Sep 2025464 AMAQI

22°C20/23°C

20th Sep 2025425 AMAQI
20th Sep 2025426 AMAQI
20th Sep 2025427 AMAQI
20th Sep 2025428 AMAQI
20th Sep 2025269 AMAQI
20th Sep 20252310 AMAQI
20th Sep 20252711 AMAQI
20th Sep 20252912 PMAQI
20th Sep 2025341 PMAQI
20th Sep 2025302 PMAQI
20th Sep 2025263 PMAQI
20th Sep 2025244 PMAQI
20th Sep 2025255 PMAQI
20th Sep 2025276 PMAQI
20th Sep 2025287 PMAQI
20th Sep 2025308 PMAQI
20th Sep 2025349 PMAQI
20th Sep 20253410 PMAQI
20th Sep 20253611 PMAQI
21st Sep 20253812 AMAQI
21st Sep 2025441 AMAQI
21st Sep 2025442 AMAQI
21st Sep 2025453 AMAQI
21st Sep 2025444 AMAQI

25°C22/27°C

21st Sep 2025415 AMAQI
21st Sep 2025416 AMAQI
21st Sep 2025407 AMAQI
21st Sep 2025428 AMAQI
21st Sep 2025289 AMAQI
21st Sep 20251610 AMAQI
21st Sep 20251611 AMAQI
21st Sep 20251712 PMAQI
21st Sep 2025201 PMAQI
21st Sep 2025172 PMAQI
21st Sep 2025203 PMAQI
21st Sep 2025284 PMAQI
21st Sep 2025305 PMAQI
21st Sep 2025166 PMAQI
21st Sep 2025187 PMAQI
21st Sep 2025238 PMAQI
21st Sep 2025319 PMAQI
21st Sep 20253010 PMAQI
21st Sep 20253011 PMAQI
22nd Sep 20252912 AMAQI
22nd Sep 2025361 AMAQI
22nd Sep 2025412 AMAQI
22nd Sep 2025413 AMAQI
22nd Sep 2025404 AMAQI

26°C22/30°C

22nd Sep 2025375 AMAQI
22nd Sep 2025366 AMAQI
22nd Sep 2025367 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025269 AMAQI
22nd Sep 20252010 AMAQI
22nd Sep 20252111 AMAQI
22nd Sep 20252012 PMAQI
22nd Sep 2025221 PMAQI
22nd Sep 2025202 PMAQI
22nd Sep 2025203 PMAQI
22nd Sep 2025234 PMAQI
22nd Sep 2025215 PMAQI
22nd Sep 2025226 PMAQI
22nd Sep 2025217 PMAQI
22nd Sep 2025248 PMAQI
22nd Sep 2025309 PMAQI
22nd Sep 20252910 PMAQI
22nd Sep 20253011 PMAQI
23rd Sep 20253012 AMAQI
23rd Sep 2025361 AMAQI
23rd Sep 2025382 AMAQI
23rd Sep 2025383 AMAQI
23rd Sep 2025364 AMAQI

23°C21/25°C

23rd Sep 2025335 AMAQI
23rd Sep 2025346 AMAQI
23rd Sep 2025337 AMAQI
23rd Sep 2025338 AMAQI
23rd Sep 2025349 AMAQI
23rd Sep 20252510 AMAQI
23rd Sep 20252711 AMAQI
23rd Sep 20252612 PMAQI
23rd Sep 2025291 PMAQI
23rd Sep 2025282 PMAQI
23rd Sep 2025203 PMAQI
23rd Sep 2025214 PMAQI
23rd Sep 2025215 PMAQI
23rd Sep 2025246 PMAQI
23rd Sep 2025247 PMAQI
23rd Sep 2025258 PMAQI
23rd Sep 2025289 PMAQI
23rd Sep 20252810 PMAQI
23rd Sep 20252811 PMAQI
24th Sep 20252612 AMAQI
24th Sep 2025331 AMAQI
24th Sep 2025352 AMAQI
24th Sep 2025353 AMAQI
24th Sep 2025344 AMAQI

23°C20/26°C

24th Sep 2025325 AMAQI
24th Sep 2025326 AMAQI
24th Sep 2025327 AMAQI
24th Sep 2025338 AMAQI
24th Sep 2025299 AMAQI
24th Sep 20252010 AMAQI
24th Sep 20252211 AMAQI
24th Sep 20252612 PMAQI
24th Sep 2025281 PMAQI
24th Sep 2025282 PMAQI
24th Sep 2025293 PMAQI
24th Sep 2025274 PMAQI
24th Sep 2025265 PMAQI
24th Sep 2025256 PMAQI
24th Sep 2025267 PMAQI
24th Sep 2025328 PMAQI
24th Sep 2025289 PMAQI
24th Sep 20252810 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252712 AMAQI
25th Sep 2025311 AMAQI
25th Sep 2025322 AMAQI
25th Sep 2025323 AMAQI
25th Sep 2025324 AMAQI

23°C20/26°C

25th Sep 2025315 AMAQI
25th Sep 2025316 AMAQI
25th Sep 2025317 AMAQI
25th Sep 2025318 AMAQI
25th Sep 2025369 AMAQI
25th Sep 20252510 AMAQI
25th Sep 20252711 AMAQI
25th Sep 20253312 PMAQI
25th Sep 2025261 PMAQI
25th Sep 2025322 PMAQI
25th Sep 2025343 PMAQI
25th Sep 2025344 PMAQI
25th Sep 2025345 PMAQI
25th Sep 2025336 PMAQI
25th Sep 2025327 PMAQI
25th Sep 2025368 PMAQI
25th Sep 2025399 PMAQI
25th Sep 20253010 PMAQI
25th Sep 20252811 PMAQI
26th Sep 20252812 AMAQI
26th Sep 2025261 AMAQI
26th Sep 2025232 AMAQI
26th Sep 2025243 AMAQI
26th Sep 2025264 AMAQI

24°C21/27°C

26th Sep 2025225 AMAQI
26th Sep 2025226 AMAQI
26th Sep 2025327 AMAQI
26th Sep 2025508 AMAQI
26th Sep 2025589 AMAQI
26th Sep 20255810 AMAQI
26th Sep 20254911 AMAQI
26th Sep 20255312 PMAQI
26th Sep 2025591 PMAQI
26th Sep 2025682 PMAQI
26th Sep 2025723 PMAQI
26th Sep 2025724 PMAQI
26th Sep 2025765 PMAQI
26th Sep 2025666 PMAQI
26th Sep 2025707 PMAQI
26th Sep 2025728 PMAQI
26th Sep 2025709 PMAQI
26th Sep 20256910 PMAQI
26th Sep 20255811 PMAQI
27th Sep 20255012 AMAQI
27th Sep 2025491 AMAQI
27th Sep 2025442 AMAQI
27th Sep 2025373 AMAQI
27th Sep 2025324 AMAQI

26°C23/30°C

27th Sep 2025235 AMAQI
27th Sep 2025246 AMAQI
27th Sep 2025277 AMAQI
27th Sep 2025278 AMAQI
27th Sep 2025299 AMAQI
27th Sep 20253010 AMAQI
27th Sep 20253311 AMAQI
27th Sep 20253712 PMAQI
27th Sep 2025351 PMAQI
27th Sep 2025312 PMAQI
27th Sep 2025303 PMAQI
27th Sep 2025314 PMAQI
27th Sep 2025335 PMAQI
27th Sep 2025336 PMAQI
27th Sep 2025367 PMAQI
27th Sep 2025498 PMAQI
27th Sep 2025439 PMAQI
27th Sep 20253910 PMAQI
27th Sep 20253511 PMAQI
28th Sep 20254012 AMAQI
28th Sep 2025371 AMAQI
28th Sep 2025322 AMAQI
28th Sep 2025283 AMAQI
28th Sep 2025304 AMAQI

24°C22/27°C

28th Sep 2025325 AMAQI
28th Sep 2025286 AMAQI
28th Sep 2025317 AMAQI
28th Sep 2025338 AMAQI
28th Sep 2025309 AMAQI
28th Sep 20252810 AMAQI
28th Sep 20252911 AMAQI
28th Sep 20252612 PMAQI
28th Sep 2025251 PMAQI
28th Sep 2025332 PMAQI
28th Sep 2025263 PMAQI
28th Sep 2025244 PMAQI
28th Sep 2025315 PMAQI
28th Sep 2025306 PMAQI
28th Sep 2025287 PMAQI
28th Sep 2025248 PMAQI
28th Sep 2025269 PMAQI
28th Sep 20252810 PMAQI
28th Sep 20252011 PMAQI
29th Sep 20252512 AMAQI
29th Sep 2025171 AMAQI
29th Sep 2025162 AMAQI
29th Sep 2025183 AMAQI
29th Sep 2025224 AMAQI

25°C23/27°C

29th Sep 2025225 AMAQI
29th Sep 2025236 AMAQI
29th Sep 2025277 AMAQI
29th Sep 2025338 AMAQI
29th Sep 2025409 AMAQI
29th Sep 20254110 AMAQI
29th Sep 20254611 AMAQI
29th Sep 20254612 PMAQI
29th Sep 2025431 PMAQI
29th Sep 2025342 PMAQI
29th Sep 2025323 PMAQI
29th Sep 2025244 PMAQI
29th Sep 2025395 PMAQI
29th Sep 2025426 PMAQI
29th Sep 2025417 PMAQI
29th Sep 2025398 PMAQI
29th Sep 2025399 PMAQI
29th Sep 20253310 PMAQI
29th Sep 20251511 PMAQI
30th Sep 20251412 AMAQI
30th Sep 2025181 AMAQI
30th Sep 2025212 AMAQI
30th Sep 2025183 AMAQI
30th Sep 2025164 AMAQI

26°C23/29°C

30th Sep 2025175 AMAQI
30th Sep 2025216 AMAQI
30th Sep 2025217 AMAQI
30th Sep 2025198 AMAQI
30th Sep 2025219 AMAQI
30th Sep 20252310 AMAQI
30th Sep 20252911 AMAQI
30th Sep 20252812 PMAQI
30th Sep 2025291 PMAQI
30th Sep 2025362 PMAQI
30th Sep 2025263 PMAQI
30th Sep 2025404 PMAQI
30th Sep 2025405 PMAQI
30th Sep 2025376 PMAQI
30th Sep 2025397 PMAQI
30th Sep 2025378 PMAQI
30th Sep 2025409 PMAQI
30th Sep 20254310 PMAQI
30th Sep 20254711 PMAQI
1st Oct 20254612 AMAQI
1st Oct 2025421 AMAQI
1st Oct 2025322 AMAQI
1st Oct 2025273 AMAQI
1st Oct 2025324 AMAQI

24°C22/27°C

1st Oct 2025285 AMAQI
1st Oct 2025256 AMAQI
1st Oct 2025257 AMAQI
1st Oct 2025268 AMAQI
1st Oct 2025309 AMAQI
1st Oct 20253210 AMAQI
1st Oct 20253311 AMAQI
1st Oct 20254412 PMAQI
1st Oct 2025421 PMAQI
1st Oct 2025422 PMAQI
1st Oct 2025453 PMAQI
1st Oct 2025534 PMAQI
1st Oct 2025535 PMAQI
1st Oct 2025486 PMAQI
1st Oct 2025427 PMAQI
1st Oct 2025388 PMAQI
1st Oct 2025469 PMAQI
1st Oct 20254010 PMAQI
1st Oct 20253311 PMAQI
2nd Oct 20252412 AMAQI
2nd Oct 2025331 AMAQI
2nd Oct 2025322 AMAQI
2nd Oct 2025303 AMAQI
2nd Oct 2025404 AMAQI

21°C19/21°C

2nd Oct 2025425 AMAQI
2nd Oct 2025426 AMAQI
2nd Oct 2025417 AMAQI
2nd Oct 2025408 AMAQI
2nd Oct 2025529 AMAQI
2nd Oct 20255510 AMAQI
2nd Oct 20255611 AMAQI
2nd Oct 20256612 PMAQI
2nd Oct 2025621 PMAQI
2nd Oct 2025592 PMAQI
2nd Oct 2025583 PMAQI
2nd Oct 2025524 PMAQI
2nd Oct 2025465 PMAQI
2nd Oct 2025436 PMAQI
2nd Oct 2025427 PMAQI
2nd Oct 2025408 PMAQI
2nd Oct 2025539 PMAQI
2nd Oct 20255010 PMAQI
2nd Oct 20255011 PMAQI
3rd Oct 20254812 AMAQI
3rd Oct 2025491 AMAQI
3rd Oct 2025502 AMAQI
3rd Oct 2025473 AMAQI
3rd Oct 2025444 AMAQI

22°C19/26°C

3rd Oct 2025455 AMAQI
3rd Oct 2025426 AMAQI
3rd Oct 2025487 AMAQI
3rd Oct 2025498 AMAQI
3rd Oct 2025529 AMAQI
3rd Oct 20255610 AMAQI
3rd Oct 20254011 AMAQI
3rd Oct 20253612 PMAQI
3rd Oct 2025341 PMAQI
3rd Oct 2025322 PMAQI
3rd Oct 2025283 PMAQI
3rd Oct 2025324 PMAQI
3rd Oct 2025375 PMAQI
3rd Oct 2025456 PMAQI
3rd Oct 2025417 PMAQI
3rd Oct 2025428 PMAQI
3rd Oct 2025289 PMAQI
3rd Oct 20252210 PMAQI
3rd Oct 20252411 PMAQI
4th Oct 20252312 AMAQI
4th Oct 2025591 AMAQI
4th Oct 2025672 AMAQI
4th Oct 2025663 AMAQI
4th Oct 2025354 AMAQI

23°C21/26°C

4th Oct 2025525 AMAQI
4th Oct 2025586 AMAQI
4th Oct 2025587 AMAQI
4th Oct 2025628 AMAQI
4th Oct 2025629 AMAQI
4th Oct 20256110 AMAQI
4th Oct 20256311 AMAQI
4th Oct 20256612 PMAQI
4th Oct 2025661 PMAQI
4th Oct 2025662 PMAQI
4th Oct 2025623 PMAQI
4th Oct 2025424 PMAQI
4th Oct 2025255 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025557 PMAQI
4th Oct 2025588 PMAQI
4th Oct 2025589 PMAQI
4th Oct 20255610 PMAQI
4th Oct 20255811 PMAQI
5th Oct 20255712 AMAQI
5th Oct 2025591 AMAQI
5th Oct 2025642 AMAQI
5th Oct 2025613 AMAQI
5th Oct 2025604 AMAQI

23°C22/26°C

5th Oct 2025565 AMAQI
5th Oct 2025546 AMAQI
5th Oct 2025567 AMAQI
5th Oct 2025528 AMAQI
5th Oct 2025559 AMAQI
5th Oct 20255510 AMAQI
5th Oct 20255511 AMAQI
5th Oct 20255112 PMAQI
5th Oct 2025551 PMAQI
5th Oct 2025732 PMAQI
5th Oct 2025723 PMAQI
5th Oct 2025764 PMAQI
5th Oct 2025395 PMAQI
5th Oct 2025246 PMAQI
5th Oct 2025507 PMAQI
5th Oct 2025588 PMAQI
5th Oct 2025579 PMAQI
5th Oct 20254710 PMAQI
5th Oct 20254711 PMAQI
6th Oct 20254812 AMAQI
6th Oct 2025471 AMAQI
6th Oct 2025492 AMAQI
6th Oct 2025443 AMAQI
6th Oct 2025424 AMAQI

24°C21/27°C

6th Oct 2025415 AMAQI
6th Oct 2025176 AMAQI
6th Oct 2025147 AMAQI
6th Oct 2025208 AMAQI
6th Oct 2025189 AMAQI
6th Oct 20254010 AMAQI
6th Oct 20254211 AMAQI
6th Oct 20254912 PMAQI
6th Oct 2025581 PMAQI
6th Oct 2025602 PMAQI
6th Oct 2025613 PMAQI
6th Oct 2025634 PMAQI
6th Oct 2025585 PMAQI
6th Oct 2025366 PMAQI
6th Oct 2025447 PMAQI
6th Oct 2025518 PMAQI
6th Oct 2025529 PMAQI
6th Oct 20254410 PMAQI
6th Oct 20255411 PMAQI
7th Oct 20255712 AMAQI
7th Oct 2025541 AMAQI
7th Oct 2025542 AMAQI

24°C21/27°C

7th Oct 2025478 PMAQI
7th Oct 2025269 PMAQI
7th Oct 20254610 PMAQI
7th Oct 20255611 PMAQI
8th Oct 20255712 AMAQI
8th Oct 2025551 AMAQI
8th Oct 2025572 AMAQI
8th Oct 2025603 AMAQI
8th Oct 2025594 AMAQI

22°C21/24°C

8th Oct 2025485 AMAQI
8th Oct 2025486 AMAQI
8th Oct 2025467 AMAQI
8th Oct 2025548 AMAQI
8th Oct 2025599 AMAQI
8th Oct 20255710 AMAQI
8th Oct 20255911 AMAQI
8th Oct 20255812 PMAQI
8th Oct 2025611 PMAQI
8th Oct 2025652 PMAQI
8th Oct 2025673 PMAQI
8th Oct 2025694 PMAQI
8th Oct 2025655 PMAQI
8th Oct 2025656 PMAQI
8th Oct 2025647 PMAQI
8th Oct 2025648 PMAQI
8th Oct 2025629 PMAQI
8th Oct 20256210 PMAQI
8th Oct 20255611 PMAQI
9th Oct 20255512 AMAQI
9th Oct 2025621 AMAQI
9th Oct 2025602 AMAQI
9th Oct 2025593 AMAQI
9th Oct 2025584 AMAQI

23°C21/26°C

9th Oct 2025605 AMAQI
9th Oct 2025566 AMAQI
9th Oct 2025417 AMAQI
9th Oct 2025488 AMAQI
9th Oct 2025509 AMAQI
9th Oct 20254610 AMAQI
9th Oct 20254511 AMAQI
9th Oct 20255112 PMAQI
9th Oct 2025541 PMAQI
9th Oct 2025582 PMAQI
9th Oct 2025623 PMAQI
9th Oct 2025664 PMAQI
9th Oct 2025555 PMAQI
9th Oct 2025456 PMAQI
9th Oct 2025527 PMAQI
9th Oct 2025548 PMAQI
9th Oct 2025339 PMAQI
9th Oct 20253210 PMAQI
9th Oct 20254211 PMAQI
10th Oct 20253612 AMAQI
10th Oct 2025291 AMAQI
10th Oct 2025582 AMAQI
10th Oct 2025563 AMAQI
10th Oct 2025574 AMAQI

21°C19/22°C

10th Oct 2025555 AMAQI
10th Oct 2025576 AMAQI
10th Oct 2025577 AMAQI
10th Oct 2025568 AMAQI
10th Oct 2025559 AMAQI
10th Oct 20255710 AMAQI
10th Oct 20255611 AMAQI
10th Oct 20255612 PMAQI
10th Oct 2025551 PMAQI
10th Oct 2025562 PMAQI
10th Oct 2025573 PMAQI
10th Oct 2025574 PMAQI
10th Oct 2025595 PMAQI
10th Oct 2025586 PMAQI
10th Oct 2025567 PMAQI
10th Oct 2025618 PMAQI
10th Oct 2025639 PMAQI
10th Oct 20256510 PMAQI
10th Oct 20256411 PMAQI
11th Oct 20256412 AMAQI
11th Oct 2025681 AMAQI
11th Oct 2025662 AMAQI
11th Oct 2025603 AMAQI
11th Oct 2025564 AMAQI

20°C18/22°C

11th Oct 2025555 AMAQI
11th Oct 2025576 AMAQI
11th Oct 2025597 AMAQI
11th Oct 2025568 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20254210 AMAQI
11th Oct 20256311 AMAQI
11th Oct 20255612 PMAQI
11th Oct 2025541 PMAQI
11th Oct 2025542 PMAQI
11th Oct 2025563 PMAQI
11th Oct 2025554 PMAQI
11th Oct 2025555 PMAQI
11th Oct 2025576 PMAQI
11th Oct 2025437 PMAQI
11th Oct 2025208 PMAQI
11th Oct 2025269 PMAQI
11th Oct 20252610 PMAQI
11th Oct 20252611 PMAQI
12th Oct 20252512 AMAQI
12th Oct 2025341 AMAQI
12th Oct 2025512 AMAQI
12th Oct 2025513 AMAQI
12th Oct 2025524 AMAQI

19°C18/20°C

12th Oct 2025515 AMAQI
12th Oct 2025476 AMAQI
12th Oct 2025387 AMAQI
12th Oct 2025428 AMAQI
12th Oct 2025409 AMAQI
12th Oct 20254210 AMAQI
12th Oct 20254711 AMAQI
12th Oct 20256612 PMAQI
12th Oct 2025641 PMAQI
12th Oct 2025702 PMAQI
12th Oct 2025773 PMAQI
12th Oct 2025704 PMAQI
12th Oct 2025695 PMAQI
12th Oct 2025696 PMAQI
12th Oct 2025667 PMAQI
12th Oct 2025648 PMAQI
12th Oct 2025459 PMAQI
12th Oct 20254810 PMAQI
12th Oct 20255211 PMAQI
13th Oct 20256112 AMAQI
13th Oct 2025591 AMAQI
13th Oct 2025602 AMAQI
13th Oct 2025593 AMAQI
13th Oct 2025634 AMAQI

21°C17/23°C

13th Oct 2025595 AMAQI
13th Oct 2025596 AMAQI
13th Oct 2025627 AMAQI
13th Oct 2025588 AMAQI
13th Oct 2025669 AMAQI
13th Oct 20256210 AMAQI
13th Oct 20256411 AMAQI
13th Oct 20253412 PMAQI
13th Oct 2025481 PMAQI
13th Oct 2025582 PMAQI
13th Oct 2025613 PMAQI
13th Oct 2025604 PMAQI
13th Oct 2025555 PMAQI
13th Oct 2025466 PMAQI
13th Oct 2025477 PMAQI
13th Oct 2025498 PMAQI
13th Oct 2025489 PMAQI
13th Oct 20254110 PMAQI
13th Oct 20253811 PMAQI
14th Oct 20254612 AMAQI
14th Oct 2025491 AMAQI
14th Oct 2025532 AMAQI
14th Oct 2025533 AMAQI
14th Oct 2025544 AMAQI

22°C20/24°C

14th Oct 2025565 AMAQI
5 AM
14th Oct 2025566 AMAQI
14th Oct 2025547 AMAQI
14th Oct 2025548 AMAQI
14th Oct 2025559 AMAQI
14th Oct 20255510 AMAQI
14th Oct 20255411 AMAQI
11 AM
14th Oct 20255612 PMAQI
14th Oct 2025611 PMAQI
14th Oct 2025602 PMAQI
14th Oct 2025643 PMAQI
14th Oct 2025354 PMAQI
14th Oct 2025625 PMAQI
5 PM
14th Oct 2025586 PMAQI
14th Oct 2025547 PMAQI
14th Oct 2025478 PMAQI
11 PM
4 AM

--°C/°C

Day time
Avg. Highest Time
2 PM - 5 PM

45AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM - 10 AM

41AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 5 PM (Avg. 45), while the lowest AQI was between 5 AM to 10 AM (Avg. 41).
Night time
Avg. Highest Time
1 AM - 11 PM

41AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
12 AM

39AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 12 AM (Avg. 39).

2025 Days Vs Air Quality

Anesaki, Ichihara, Chiba, Japan

2025

87%

249

13%

37

Total number of days with different AQI categories in last 287 days in 2025 (78 days remaining)

Good
249 Days
Moderate
37 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2025, 87% of 287 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

Anesaki, Ichihara, 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
30AQI
2nd January 2025
31AQI
3rd January 2025
24AQI
4th January 2025
29AQI
5th January 2025
36AQI
6th January 2025
57AQI
7th January 2025
31AQI
8th January 2025
38AQI
9th January 2025
29AQI
10th January 2025
31AQI
11th January 2025
27AQI
12th January 2025
36AQI
13th January 2025
27AQI
14th January 2025
42AQI
15th January 2025
36AQI
16th January 2025
33AQI
17th January 2025
31AQI
18th January 2025
31AQI
19th January 2025
55AQI
20th January 2025
42AQI
21st January 2025
44AQI
22nd January 2025
40AQI
23rd January 2025
55AQI
24th January 2025
49AQI
25th January 2025
45AQI
26th January 2025
39AQI
27th January 2025
40AQI
28th January 2025
39AQI
29th January 2025
33AQI
30th January 2025
32AQI
31st January 2025
29AQI
1st February 2025
42AQI
2nd February 2025
32AQI
3rd February 2025
47AQI
4th February 2025
31AQI
5th February 2025
35AQI
6th February 2025
30AQI
7th February 2025
30AQI
8th February 2025
30AQI
9th February 2025
30AQI
10th February 2025
32AQI
11th February 2025
30AQI
12th February 2025
34AQI
13th February 2025
31AQI
14th February 2025
30AQI
15th February 2025
30AQI
16th February 2025
41AQI
17th February 2025
36AQI
18th February 2025
33AQI
19th February 2025
31AQI
20th February 2025
30AQI
21st February 2025
30AQI
22nd February 2025
32AQI
23rd February 2025
32AQI
24th February 2025
32AQI
25th February 2025
34AQI
26th February 2025
35AQI
27th February 2025
39AQI
28th February 2025
57AQI
1st March 2025
51AQI
2nd March 2025
67AQI
3rd March 2025
42AQI
4th March 2025
42AQI
5th March 2025
26AQI
6th March 2025
34AQI
7th March 2025
31AQI
8th March 2025
34AQI
9th March 2025
33AQI
10th March 2025
35AQI
11th March 2025
43AQI
12th March 2025
48AQI
13th March 2025
45AQI
14th March 2025
42AQI
15th March 2025
35AQI
16th March 2025
26AQI
17th March 2025
22AQI
18th March 2025
24AQI
19th March 2025
19AQI
20th March 2025
24AQI
21st March 2025
42AQI
22nd March 2025
49AQI
23rd March 2025
58AQI
24th March 2025
55AQI
25th March 2025
65AQI
26th March 2025
82AQI
27th March 2025
68AQI
28th March 2025
49AQI
29th March 2025
37AQI
30th March 2025
43AQI
31st March 2025
31AQI
1st April 2025
29AQI
2nd April 2025
21AQI
3rd April 2025
21AQI
4th April 2025
20AQI
5th April 2025
22AQI
6th April 2025
22AQI
7th April 2025
29AQI
8th April 2025
34AQI
9th April 2025
26AQI
10th April 2025
45AQI
11th April 2025
39AQI
12th April 2025
37AQI
13th April 2025
26AQI
14th April 2025
39AQI
15th April 2025
29AQI
16th April 2025
33AQI
17th April 2025
43AQI
18th April 2025
49AQI
19th April 2025
60AQI
20th April 2025
45AQI
21st April 2025
44AQI
22nd April 2025
39AQI
23rd April 2025
27AQI
24th April 2025
36AQI
25th April 2025
35AQI
26th April 2025
42AQI
27th April 2025
45AQI
28th April 2025
37AQI
29th April 2025
36AQI
30th April 2025
43AQI
1st May 2025
41AQI
2nd May 2025
28AQI
3rd May 2025
32AQI
4th May 2025
37AQI
5th May 2025
34AQI
6th May 2025
27AQI
7th May 2025
25AQI
8th May 2025
25AQI
9th May 2025
26AQI
10th May 2025
21AQI
11th May 2025
29AQI
12th May 2025
33AQI
13th May 2025
35AQI
14th May 2025
34AQI
15th May 2025
38AQI
16th May 2025
38AQI
17th May 2025
26AQI
18th May 2025
41AQI
19th May 2025
43AQI
20th May 2025
57AQI
21st May 2025
37AQI
22nd May 2025
37AQI
23rd May 2025
38AQI
24th May 2025
36AQI
25th May 2025
29AQI
26th May 2025
27AQI
27th May 2025
25AQI
28th May 2025
24AQI
29th May 2025
25AQI
30th May 2025
23AQI
31st May 2025
16AQI
1st June 2025
18AQI
2nd June 2025
25AQI
3rd June 2025
29AQI
4th June 2025
33AQI
5th June 2025
38AQI
6th June 2025
43AQI
7th June 2025
44AQI
8th June 2025
53AQI
9th June 2025
37AQI
10th June 2025
28AQI
11th June 2025
28AQI
12th June 2025
38AQI
13th June 2025
33AQI
14th June 2025
31AQI
15th June 2025
36AQI
16th June 2025
37AQI
17th June 2025
46AQI
18th June 2025
42AQI
19th June 2025
38AQI
20th June 2025
31AQI
21st June 2025
27AQI
22nd June 2025
19AQI
23rd June 2025
22AQI
24th June 2025
19AQI
25th June 2025
19AQI
26th June 2025
19AQI
27th June 2025
35AQI
28th June 2025
30AQI
29th June 2025
31AQI
30th June 2025
36AQI
1st July 2025
35AQI
2nd July 2025
42AQI
3rd July 2025
42AQI
4th July 2025
40AQI
5th July 2025
46AQI
6th July 2025
68AQI
7th July 2025
76AQI
8th July 2025
76AQI
9th July 2025
68AQI
10th July 2025
51AQI
11th July 2025
47AQI
12th July 2025
53AQI
13th July 2025
47AQI
14th July 2025
41AQI
15th July 2025
38AQI
16th July 2025
36AQI
17th July 2025
38AQI
18th July 2025
35AQI
19th July 2025
30AQI
20th July 2025
29AQI
21st July 2025
30AQI
22nd July 2025
28AQI
23rd July 2025
27AQI
24th July 2025
32AQI
25th July 2025
25AQI
26th July 2025
24AQI
27th July 2025
22AQI
28th July 2025
28AQI
29th July 2025
26AQI
30th July 2025
28AQI
31st July 2025
28AQI
1st August 2025
34AQI
2nd August 2025
42AQI
3rd August 2025
44AQI
4th August 2025
62AQI
5th August 2025
50AQI
6th August 2025
52AQI
7th August 2025
50AQI
8th August 2025
45AQI
9th August 2025
49AQI
10th August 2025
36AQI
11th August 2025
38AQI
12th August 2025
36AQI
13th August 2025
34AQI
14th August 2025
39AQI
15th August 2025
37AQI
16th August 2025
39AQI
17th August 2025
39AQI
18th August 2025
44AQI
19th August 2025
46AQI
20th August 2025
48AQI
21st August 2025
52AQI
22nd August 2025
52AQI
23rd August 2025
48AQI
24th August 2025
57AQI
25th August 2025
55AQI
26th August 2025
54AQI
27th August 2025
51AQI
28th August 2025
45AQI
29th August 2025
51AQI
30th August 2025
56AQI
31st August 2025
53AQI
1st September 2025
43AQI
2nd September 2025
38AQI
3rd September 2025
37AQI
4th September 2025
44AQI
5th September 2025
32AQI
6th September 2025
29AQI
7th September 2025
30AQI
8th September 2025
41AQI
9th September 2025
43AQI
10th September 2025
38AQI
11th September 2025
32AQI
12th September 2025
32AQI
13th September 2025
30AQI
14th September 2025
37AQI
15th September 2025
34AQI
16th September 2025
32AQI
17th September 2025
48AQI
18th September 2025
49AQI
19th September 2025
36AQI
20th September 2025
35AQI
21st September 2025
30AQI
22nd September 2025
29AQI
23rd September 2025
29AQI
24th September 2025
29AQI
25th September 2025
32AQI
26th September 2025
47AQI
27th September 2025
38AQI
28th September 2025
30AQI
29th September 2025
29AQI
30th September 2025
26AQI
1st October 2025
39AQI
2nd October 2025
42AQI
3rd October 2025
42AQI
4th October 2025
49AQI
5th October 2025
56AQI
6th October 2025
43AQI
7th October 2025
47AQI
8th October 2025
59AQI
9th October 2025
52AQI
10th October 2025
51AQI
11th October 2025
52AQI
12th October 2025
49AQI
13th October 2025
56AQI
14th October 2025
15th October 2025
16th October 2025
17th October 2025
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

37AQI

34AQI

42AQI

35AQI

32AQI

32AQI

40AQI

46AQI

35AQI

49AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202538AQI

28
3
27
1
24
7
29
1
30
1
29
1
25
6
20
11
30
7
6
249
37

Highest AQI recorded in

October

49AQI

Lowest AQI recorded in

May

32AQI

202437AQI

30
1
28
1
25
6
23
7
27
4
27
3
17
14
30
1
28
2
30
1
27
3
29
2
321
45

Highest AQI recorded in

July

50AQI

Lowest AQI recorded in

September

28AQI

202340AQI

27
4
24
4
25
6
26
4
25
6
24
6
25
6
29
2
29
1
30
1
22
7
27
4
313
51

Highest AQI recorded in

April

46AQI

Lowest AQI recorded in

August

31AQI

202240AQI

28
3
21
1
24
7
22
7
26
5
25
5
18
3
1
26
2
28
3
26
4
31
276
40

Highest AQI recorded in

March

46AQI

Lowest AQI recorded in

August

33AQI

202138AQI

22
8
25
2
1
26
5
29
1
24
7
27
3
27
4
26
5
29
1
30
1
23
7
24
7
312
51
1

Highest AQI recorded in

May

42AQI

Lowest AQI recorded in

April

33AQI

202036AQI

12
1
19
2
18
24
6
30
1
22
8
1
18
1
29
2
21
9
27
4
220
34
1

Highest AQI recorded in

August

41AQI

Lowest AQI recorded in

September

30AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
40AQI
Least Polluted Year Recorded
2020(Avg.)
36AQI

Anesaki's annual 2025 AQI (38) shows an average percentage change of -1.08% (improved AQI) compared to previous years: 2020 (36), 2021 (38), 2022 (40), 2023 (40), 2024 (37).