Kitakokubunjidai, 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+
August Air Quality Analysis
Kitakokubunjidai, Ichihara, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
65AQILowest AQI recorded on
19th Aug 2021
8AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Kitakokubunjidai, Ichihara, Chiba, Japan
AQI
Day
Night
.
4 AM7th Aug 2025
6 PM
3 AM8th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
3PM7th Aug
56AQI
Avg. Lowest Time
1PM7th Aug
30AQI
In the last 24 hours,
Kitakokubunjidai's AQI reached its highest point of 56 at 3 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kitakokubunjidai, Ichihara, Chiba, Japan
JulAug
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
9th Jul 2025654 AMAQI
9th Jul 2025695 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025698 AMAQI
9th Jul 2025779 AMAQI
9th Jul 20258610 AMAQI
9th Jul 20259111 AMAQI
9th Jul 20259612 PMAQI
9th Jul 2025951 PMAQI
9th Jul 20251042 PMAQI
9th Jul 20251083 PMAQI
9th Jul 2025804 PMAQI
9th Jul 2025635 PMAQI
9th Jul 2025616 PMAQI
9th Jul 2025577 PMAQI
9th Jul 2025558 PMAQI
9th Jul 2025659 PMAQI
9th Jul 20256410 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025681 AMAQI
10th Jul 2025702 AMAQI
10th Jul 2025703 AMAQI
28°C25/31°C
10th Jul 2025714 AMAQI
10th Jul 2025755 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025758 AMAQI
10th Jul 2025369 AMAQI
10th Jul 20252510 AMAQI
10th Jul 20253411 AMAQI
10th Jul 20253512 PMAQI
10th Jul 2025491 PMAQI
10th Jul 2025462 PMAQI
10th Jul 2025493 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025406 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025598 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256110 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025661 AMAQI
11th Jul 2025682 AMAQI
11th Jul 2025683 AMAQI
27°C23/30°C
11th Jul 2025684 AMAQI
11th Jul 2025645 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025648 AMAQI
11th Jul 2025299 AMAQI
11th Jul 20251810 AMAQI
11th Jul 20251811 AMAQI
11th Jul 20252012 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025412 PMAQI
11th Jul 2025413 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025415 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025437 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025589 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255911 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025631 AMAQI
12th Jul 2025632 AMAQI
12th Jul 2025643 AMAQI
23°C22/25°C
12th Jul 2025624 AMAQI
12th Jul 2025615 AMAQI
12th Jul 2025616 AMAQI
12th Jul 2025617 AMAQI
12th Jul 2025618 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20254911 AMAQI
12th Jul 20254912 PMAQI
12th Jul 2025521 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025533 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025496 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025569 PMAQI
12th Jul 20255610 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025602 AMAQI
13th Jul 2025603 AMAQI
24°C21/27°C
13th Jul 2025604 AMAQI
13th Jul 2025585 AMAQI
13th Jul 2025586 AMAQI
13th Jul 2025597 AMAQI
13th Jul 2025588 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20253410 AMAQI
13th Jul 20253711 AMAQI
13th Jul 20253112 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025382 PMAQI
13th Jul 2025373 PMAQI
13th Jul 2025364 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025376 PMAQI
13th Jul 2025367 PMAQI
13th Jul 2025368 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255410 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
26°C23/28°C
14th Jul 2025584 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025289 AMAQI
14th Jul 20251710 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251712 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025302 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025335 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255110 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025553 AMAQI
25°C24/28°C
15th Jul 2025554 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025259 AMAQI
15th Jul 20251510 AMAQI
15th Jul 20251511 AMAQI
15th Jul 20251612 PMAQI
15th Jul 2025261 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025315 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025297 PMAQI
15th Jul 2025278 PMAQI
15th Jul 2025479 PMAQI
15th Jul 20254610 PMAQI
15th Jul 20254711 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
26°C25/28°C
16th Jul 2025524 AMAQI
16th Jul 2025495 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025359 AMAQI
16th Jul 20252310 AMAQI
16th Jul 20251811 AMAQI
16th Jul 20251812 PMAQI
16th Jul 2025271 PMAQI
16th Jul 2025262 PMAQI
16th Jul 2025283 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025305 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025288 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254711 PMAQI
17th Jul 20254712 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025523 AMAQI
26°C25/27°C
17th Jul 2025514 AMAQI
17th Jul 2025495 AMAQI
17th Jul 2025506 AMAQI
17th Jul 2025497 AMAQI
17th Jul 2025508 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252310 AMAQI
17th Jul 20252311 AMAQI
17th Jul 20252112 PMAQI
17th Jul 2025341 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025317 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025489 PMAQI
17th Jul 20254810 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
27°C25/29°C
18th Jul 2025494 AMAQI
18th Jul 2025485 AMAQI
18th Jul 2025486 AMAQI
18th Jul 2025477 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025249 AMAQI
18th Jul 20251810 AMAQI
18th Jul 20252011 AMAQI
18th Jul 20251912 PMAQI
18th Jul 2025291 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025304 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025473 AMAQI
27°C25/29°C
19th Jul 2025464 AMAQI
19th Jul 2025445 AMAQI
19th Jul 2025456 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025448 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252310 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025292 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025314 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025442 AMAQI
20th Jul 2025443 AMAQI
27°C24/29°C
20th Jul 2025444 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20251911 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025231 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025214 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025266 PMAQI
20th Jul 2025247 PMAQI
20th Jul 2025288 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253610 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025423 AMAQI
27°C25/30°C
21st Jul 2025414 AMAQI
21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025388 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252111 AMAQI
21st Jul 20252612 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025292 PMAQI
21st Jul 2025293 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025295 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025267 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253311 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025382 AMAQI
22nd Jul 2025383 AMAQI
28°C26/31°C
22nd Jul 2025384 AMAQI
22nd Jul 2025365 AMAQI
22nd Jul 2025366 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252110 AMAQI
22nd Jul 20252311 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025392 PMAQI
22nd Jul 2025333 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025207 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025309 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20253112 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
28°C26/31°C
23rd Jul 2025364 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025312 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025305 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025207 PMAQI
23rd Jul 2025258 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025332 AMAQI
24th Jul 2025333 AMAQI
28°C26/31°C
24th Jul 2025324 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025326 AMAQI
24th Jul 2025337 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025339 AMAQI
24th Jul 20253610 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025531 PMAQI
24th Jul 2025442 PMAQI
24th Jul 2025383 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025206 PMAQI
24th Jul 2025197 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025321 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
28°C25/32°C
25th Jul 2025334 AMAQI
25th Jul 2025355 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025249 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252512 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025222 PMAQI
25th Jul 2025203 PMAQI
25th Jul 2025234 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025196 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025218 PMAQI
25th Jul 2025299 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025301 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
28°C26/31°C
26th Jul 2025324 AMAQI
26th Jul 2025315 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20252211 AMAQI
26th Jul 20252912 PMAQI
26th Jul 2025241 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025225 PMAQI
26th Jul 2025196 PMAQI
26th Jul 2025207 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20252810 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025313 AMAQI
29°C26/32°C
27th Jul 2025314 AMAQI
27th Jul 2025295 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025297 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025239 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025212 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025176 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025228 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI
28°C26/31°C
28th Jul 2025304 AMAQI
28th Jul 2025295 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025269 AMAQI
28th Jul 20252610 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025491 PMAQI
28th Jul 2025462 PMAQI
28th Jul 2025403 PMAQI
28th Jul 2025334 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025236 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025238 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252610 PMAQI
28th Jul 20252611 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025271 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
28°C26/31°C
29th Jul 2025294 AMAQI
29th Jul 2025305 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20252611 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025321 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025233 PMAQI
29th Jul 2025234 PMAQI
29th Jul 2025215 PMAQI
29th Jul 2025196 PMAQI
29th Jul 2025197 PMAQI
29th Jul 2025208 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252611 PMAQI
30th Jul 20252812 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
28°C25/33°C
30th Jul 2025294 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025307 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025229 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252111 AMAQI
30th Jul 20252212 PMAQI
30th Jul 2025241 PMAQI
30th Jul 2025232 PMAQI
30th Jul 2025243 PMAQI
30th Jul 2025294 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025299 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253012 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025292 AMAQI
31st Jul 2025283 AMAQI
28°C25/33°C
31st Jul 2025294 AMAQI
31st Jul 2025295 AMAQI
31st Jul 2025296 AMAQI
31st Jul 2025297 AMAQI
31st Jul 2025298 AMAQI
31st Jul 2025299 AMAQI
31st Jul 20252910 AMAQI
31st Jul 20253011 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025262 PMAQI
31st Jul 2025293 PMAQI
31st Jul 2025264 PMAQI
31st Jul 2025255 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025322 AMAQI
1st Aug 2025343 AMAQI
27°C24/31°C
1st Aug 2025344 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025339 AMAQI
1st Aug 20253310 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025322 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025305 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025269 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
27°C25/30°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025319 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20254011 AMAQI
2nd Aug 20254012 PMAQI
2nd Aug 2025481 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025527 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
28°C25/33°C
3rd Aug 2025394 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20254611 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025511 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025463 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025495 PMAQI
3rd Aug 2025496 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025468 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
29°C26/33°C
4th Aug 2025424 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257510 AMAQI
4th Aug 20258311 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025921 PMAQI
4th Aug 2025972 PMAQI
4th Aug 2025883 PMAQI
4th Aug 2025874 PMAQI
4th Aug 2025955 PMAQI
4th Aug 2025846 PMAQI
4th Aug 2025747 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255410 PMAQI
4th Aug 20254711 PMAQI
5th Aug 20255012 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
29°C27/32°C
5th Aug 2025504 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20255910 AMAQI
5th Aug 20256011 AMAQI
5th Aug 20256112 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025564 PMAQI
5th Aug 2025535 PMAQI
5th Aug 2025486 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254610 PMAQI
5th Aug 20254711 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025481 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
29°C27/32°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025509 AMAQI
6th Aug 20254110 AMAQI
6th Aug 20254311 AMAQI
6th Aug 20255612 PMAQI
6th Aug 2025511 PMAQI
6th Aug 2025572 PMAQI
6th Aug 2025493 PMAQI
6th Aug 2025544 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025538 PMAQI
6th Aug 2025459 PMAQI
6th Aug 20254810 PMAQI
6th Aug 20254211 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025471 AMAQI
7th Aug 2025512 AMAQI
7th Aug 2025503 AMAQI
30°C27/33°C
7th Aug 2025514 AMAQI
7th Aug 2025505 AMAQI
7th Aug 2025516 AMAQI
7th Aug 2025447 AMAQI
7th Aug 2025508 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20254510 AMAQI
7th Aug 20254711 AMAQI
7th Aug 20253012 PMAQI
7th Aug 2025301 PMAQI
7th Aug 2025432 PMAQI
7th Aug 2025563 PMAQI
7th Aug 2025524 PMAQI
7th Aug 2025475 PMAQI
7th Aug 2025486 PMAQI
7th Aug 2025467 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025509 PMAQI
7th Aug 20255010 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025521 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
10 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 45), while the lowest AQI was between 10 AM to 10 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 3 AM
43AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 43), while the lowest AQI was between 7 PM to 7 PM (Avg. 33).
2025 Days Vs Air Quality
Kitakokubunjidai, Ichihara, Chiba, Japan
2025
89%
195
11%
23
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
195 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 219 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
Kitakokubunjidai, 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.
1st January 2025
30AQI
30AQI
2nd January 2025
34AQI
34AQI
3rd January 2025
24AQI
24AQI
4th January 2025
29AQI
29AQI
5th January 2025
33AQI
33AQI
6th January 2025
54AQI
54AQI
7th January 2025
30AQI
30AQI
8th January 2025
37AQI
37AQI
9th January 2025
29AQI
29AQI
10th January 2025
30AQI
30AQI
11th January 2025
27AQI
27AQI
12th January 2025
35AQI
35AQI
13th January 2025
27AQI
27AQI
14th January 2025
38AQI
38AQI
15th January 2025
36AQI
36AQI
16th January 2025
32AQI
32AQI
17th January 2025
29AQI
29AQI
18th January 2025
32AQI
32AQI
19th January 2025
57AQI
57AQI
20th January 2025
41AQI
41AQI
21st January 2025
43AQI
43AQI
22nd January 2025
39AQI
39AQI
23rd January 2025
56AQI
56AQI
24th January 2025
46AQI
46AQI
25th January 2025
41AQI
41AQI
26th January 2025
39AQI
39AQI
27th January 2025
34AQI
34AQI
28th January 2025
39AQI
39AQI
29th January 2025
31AQI
31AQI
30th January 2025
32AQI
32AQI
31st January 2025
29AQI
29AQI
1st February 2025
38AQI
38AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
44AQI
44AQI
4th February 2025
30AQI
30AQI
5th February 2025
35AQI
35AQI
6th February 2025
30AQI
30AQI
7th February 2025
29AQI
29AQI
8th February 2025
30AQI
30AQI
9th February 2025
30AQI
30AQI
10th February 2025
31AQI
31AQI
11th February 2025
31AQI
31AQI
12th February 2025
34AQI
34AQI
13th February 2025
31AQI
31AQI
14th February 2025
29AQI
29AQI
15th February 2025
30AQI
30AQI
16th February 2025
37AQI
37AQI
17th February 2025
35AQI
35AQI
18th February 2025
31AQI
31AQI
19th February 2025
31AQI
31AQI
20th February 2025
30AQI
30AQI
21st February 2025
30AQI
30AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
34AQI
34AQI
25th February 2025
35AQI
35AQI
26th February 2025
35AQI
35AQI
27th February 2025
38AQI
38AQI
28th February 2025
58AQI
58AQI
1st March 2025
49AQI
49AQI
2nd March 2025
66AQI
66AQI
3rd March 2025
41AQI
41AQI
4th March 2025
40AQI
40AQI
5th March 2025
26AQI
26AQI
6th March 2025
33AQI
33AQI
7th March 2025
30AQI
30AQI
8th March 2025
33AQI
33AQI
9th March 2025
32AQI
32AQI
10th March 2025
34AQI
34AQI
11th March 2025
39AQI
39AQI
12th March 2025
44AQI
44AQI
13th March 2025
40AQI
40AQI
14th March 2025
40AQI
40AQI
15th March 2025
31AQI
31AQI
16th March 2025
26AQI
26AQI
17th March 2025
22AQI
22AQI
18th March 2025
23AQI
23AQI
19th March 2025
18AQI
18AQI
20th March 2025
21AQI
21AQI
21st March 2025
41AQI
41AQI
22nd March 2025
46AQI
46AQI
23rd March 2025
56AQI
56AQI
24th March 2025
52AQI
52AQI
25th March 2025
65AQI
65AQI
26th March 2025
81AQI
81AQI
27th March 2025
67AQI
67AQI
28th March 2025
49AQI
49AQI
29th March 2025
37AQI
37AQI
30th March 2025
43AQI
43AQI
31st March 2025
31AQI
31AQI
1st April 2025
29AQI
29AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
20AQI
20AQI
4th April 2025
21AQI
21AQI
5th April 2025
21AQI
21AQI
6th April 2025
21AQI
21AQI
7th April 2025
29AQI
29AQI
8th April 2025
33AQI
33AQI
9th April 2025
25AQI
25AQI
10th April 2025
43AQI
43AQI
11th April 2025
37AQI
37AQI
12th April 2025
36AQI
36AQI
13th April 2025
26AQI
26AQI
14th April 2025
39AQI
39AQI
15th April 2025
28AQI
28AQI
16th April 2025
33AQI
33AQI
17th April 2025
44AQI
44AQI
18th April 2025
49AQI
49AQI
19th April 2025
61AQI
61AQI
20th April 2025
43AQI
43AQI
21st April 2025
42AQI
42AQI
22nd April 2025
38AQI
38AQI
23rd April 2025
27AQI
27AQI
24th April 2025
33AQI
33AQI
25th April 2025
34AQI
34AQI
26th April 2025
41AQI
41AQI
27th April 2025
43AQI
43AQI
28th April 2025
36AQI
36AQI
29th April 2025
37AQI
37AQI
30th April 2025
43AQI
43AQI
1st May 2025
38AQI
38AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
31AQI
31AQI
4th May 2025
36AQI
36AQI
5th May 2025
31AQI
31AQI
6th May 2025
25AQI
25AQI
7th May 2025
25AQI
25AQI
8th May 2025
24AQI
24AQI
9th May 2025
26AQI
26AQI
10th May 2025
19AQI
19AQI
11th May 2025
28AQI
28AQI
12th May 2025
27AQI
27AQI
13th May 2025
33AQI
33AQI
14th May 2025
27AQI
27AQI
15th May 2025
35AQI
35AQI
16th May 2025
37AQI
37AQI
17th May 2025
23AQI
23AQI
18th May 2025
40AQI
40AQI
19th May 2025
40AQI
40AQI
20th May 2025
58AQI
58AQI
21st May 2025
37AQI
37AQI
22nd May 2025
39AQI
39AQI
23rd May 2025
38AQI
38AQI
24th May 2025
36AQI
36AQI
25th May 2025
29AQI
29AQI
26th May 2025
26AQI
26AQI
27th May 2025
26AQI
26AQI
28th May 2025
24AQI
24AQI
29th May 2025
24AQI
24AQI
30th May 2025
22AQI
22AQI
31st May 2025
16AQI
16AQI
1st June 2025
18AQI
18AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
27AQI
27AQI
4th June 2025
32AQI
32AQI
5th June 2025
37AQI
37AQI
6th June 2025
42AQI
42AQI
7th June 2025
45AQI
45AQI
8th June 2025
51AQI
51AQI
9th June 2025
36AQI
36AQI
10th June 2025
25AQI
25AQI
11th June 2025
24AQI
24AQI
12th June 2025
31AQI
31AQI
13th June 2025
31AQI
31AQI
14th June 2025
30AQI
30AQI
15th June 2025
29AQI
29AQI
16th June 2025
35AQI
35AQI
17th June 2025
46AQI
46AQI
18th June 2025
42AQI
42AQI
19th June 2025
39AQI
39AQI
20th June 2025
34AQI
34AQI
21st June 2025
30AQI
30AQI
22nd June 2025
24AQI
24AQI
23rd June 2025
23AQI
23AQI
24th June 2025
21AQI
21AQI
25th June 2025
20AQI
20AQI
26th June 2025
20AQI
20AQI
27th June 2025
30AQI
30AQI
28th June 2025
28AQI
28AQI
29th June 2025
30AQI
30AQI
30th June 2025
34AQI
34AQI
1st July 2025
33AQI
33AQI
2nd July 2025
39AQI
39AQI
3rd July 2025
41AQI
41AQI
4th July 2025
40AQI
40AQI
5th July 2025
47AQI
47AQI
6th July 2025
64AQI
64AQI
7th July 2025
72AQI
72AQI
8th July 2025
73AQI
73AQI
9th July 2025
73AQI
73AQI
10th July 2025
58AQI
58AQI
11th July 2025
52AQI
52AQI
12th July 2025
55AQI
55AQI
13th July 2025
49AQI
49AQI
14th July 2025
45AQI
45AQI
15th July 2025
42AQI
42AQI
16th July 2025
41AQI
41AQI
17th July 2025
42AQI
42AQI
18th July 2025
39AQI
39AQI
19th July 2025
36AQI
36AQI
20th July 2025
34AQI
34AQI
21st July 2025
33AQI
33AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
30AQI
30AQI
24th July 2025
31AQI
31AQI
25th July 2025
27AQI
27AQI
26th July 2025
27AQI
27AQI
27th July 2025
25AQI
25AQI
28th July 2025
29AQI
29AQI
29th July 2025
26AQI
26AQI
30th July 2025
28AQI
28AQI
31st July 2025
29AQI
29AQI
1st August 2025
31AQI
31AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
43AQI
43AQI
4th August 2025
58AQI
58AQI
5th August 2025
51AQI
51AQI
6th August 2025
51AQI
51AQI
36AQI
34AQI
41AQI
35AQI
31AQI
31AQI
42AQI
46AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
28
3
27
1
25
6
29
1
30
1
29
1
24
7
3
3
195
23
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
May31AQI
202434AQI
30
1
26
3
27
4
25
5
27
4
28
2
20
11
30
1
29
1
30
1
27
3
29
2
328
38
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
August24AQI
202334AQI
27
4
25
3
29
2
25
5
29
2
28
2
29
2
31
29
1
30
1
23
6
23
8
328
36
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
August20AQI
202233AQI
28
2
19
2
28
3
25
4
29
2
28
2
20
1
1
28
28
3
28
2
30
1
292
22
Highest AQI recorded in
March38AQI
Lowest AQI recorded in
August21AQI
202133AQI
17
13
19
9
25
4
29
1
26
5
27
3
26
3
1
1
29
2
30
30
1
26
4
24
7
308
52
1
1
Highest AQI recorded in
January47AQI
Lowest AQI recorded in
August24AQI
202048AQI
11
2
14
7
15
3
16
14
11
20
15
15
1
10
6
19
12
16
14
17
14
144
107
1
Highest AQI recorded in
July55AQI
Lowest AQI recorded in
March41AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
48AQILeast Polluted Year Recorded
2022(Avg.)
33AQIKitakokubunjidai's annual 2025 AQI (36) shows an average percentage change of 0.01% (worsened AQI) compared to previous years: 2020 (48), 2021 (33), 2022 (33), 2023 (34), 2024 (34).
