Kubo, Kimitsu, 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
Kubo, Kimitsu, Chiba, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
22nd Aug 2023
70AQILowest AQI recorded on
7th Aug 2023
12AQISame Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Kubo, Kimitsu, 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
5PM7th Aug
61AQI
Avg. Lowest Time
1PM7th Aug
37AQI
In the last 24 hours,
Kubo's AQI reached its highest point of 61 at 5 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
Kubo, Kimitsu, 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 2025634 AMAQI
9th Jul 2025695 AMAQI
9th Jul 2025696 AMAQI
9th Jul 2025697 AMAQI
9th Jul 2025688 AMAQI
9th Jul 2025779 AMAQI
9th Jul 20258810 AMAQI
9th Jul 20259911 AMAQI
9th Jul 202510812 PMAQI
9th Jul 20251091 PMAQI
9th Jul 20251052 PMAQI
9th Jul 2025853 PMAQI
9th Jul 2025614 PMAQI
9th Jul 2025585 PMAQI
9th Jul 2025456 PMAQI
9th Jul 2025387 PMAQI
9th Jul 2025438 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255711 PMAQI
10th Jul 20255712 AMAQI
10th Jul 2025671 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025683 AMAQI
27°C25/29°C
10th Jul 2025694 AMAQI
10th Jul 2025745 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20251810 AMAQI
10th Jul 20253411 AMAQI
10th Jul 20252712 PMAQI
10th Jul 2025301 PMAQI
10th Jul 2025332 PMAQI
10th Jul 2025363 PMAQI
10th Jul 2025424 PMAQI
10th Jul 2025335 PMAQI
10th Jul 2025266 PMAQI
10th Jul 2025307 PMAQI
10th Jul 2025408 PMAQI
10th Jul 2025599 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20256011 PMAQI
11th Jul 20255912 AMAQI
11th Jul 2025671 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025693 AMAQI
27°C23/29°C
11th Jul 2025684 AMAQI
11th Jul 2025635 AMAQI
11th Jul 2025636 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025638 AMAQI
11th Jul 2025379 AMAQI
11th Jul 20252010 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025321 PMAQI
11th Jul 2025322 PMAQI
11th Jul 2025343 PMAQI
11th Jul 2025344 PMAQI
11th Jul 2025315 PMAQI
11th Jul 2025326 PMAQI
11th Jul 2025297 PMAQI
11th Jul 2025388 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255710 PMAQI
11th Jul 20255711 PMAQI
12th Jul 20255712 AMAQI
12th Jul 2025581 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
23°C22/26°C
12th Jul 2025634 AMAQI
12th Jul 2025605 AMAQI
12th Jul 2025606 AMAQI
12th Jul 2025607 AMAQI
12th Jul 2025598 AMAQI
12th Jul 2025479 AMAQI
12th Jul 20254210 AMAQI
12th Jul 20254811 AMAQI
12th Jul 20255212 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025472 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025474 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025386 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255312 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 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 2025489 AMAQI
13th Jul 20253810 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20254912 PMAQI
13th Jul 2025551 PMAQI
13th Jul 2025562 PMAQI
13th Jul 2025543 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025196 PMAQI
13th Jul 2025217 PMAQI
13th Jul 2025288 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254710 PMAQI
13th Jul 20254611 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025531 AMAQI
14th Jul 2025582 AMAQI
14th Jul 2025583 AMAQI
25°C23/28°C
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20252010 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025223 PMAQI
14th Jul 2025194 PMAQI
14th Jul 2025195 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025237 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025469 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254712 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025552 AMAQI
15th Jul 2025563 AMAQI
25°C24/28°C
15th Jul 2025554 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025279 AMAQI
15th Jul 20251810 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025201 PMAQI
15th Jul 2025262 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025475 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254812 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025533 AMAQI
26°C25/27°C
16th Jul 2025534 AMAQI
16th Jul 2025505 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20252410 AMAQI
16th Jul 20252011 AMAQI
16th Jul 20252012 PMAQI
16th Jul 2025211 PMAQI
16th Jul 2025222 PMAQI
16th Jul 2025243 PMAQI
16th Jul 2025284 PMAQI
16th Jul 2025285 PMAQI
16th Jul 2025256 PMAQI
16th Jul 2025227 PMAQI
16th Jul 2025248 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20254012 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
26°C25/26°C
17th Jul 2025504 AMAQI
17th Jul 2025475 AMAQI
17th Jul 2025466 AMAQI
17th Jul 2025477 AMAQI
17th Jul 2025468 AMAQI
17th Jul 2025389 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253511 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025352 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025335 PMAQI
17th Jul 2025346 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025429 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254111 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025492 AMAQI
18th Jul 2025483 AMAQI
26°C25/28°C
18th Jul 2025484 AMAQI
18th Jul 2025465 AMAQI
18th Jul 2025466 AMAQI
18th Jul 2025467 AMAQI
18th Jul 2025468 AMAQI
18th Jul 2025299 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025203 PMAQI
18th Jul 2025184 PMAQI
18th Jul 2025205 PMAQI
18th Jul 2025176 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253510 PMAQI
18th Jul 20253411 PMAQI
19th Jul 20253412 AMAQI
19th Jul 2025351 AMAQI
19th Jul 2025462 AMAQI
19th Jul 2025463 AMAQI
26°C24/28°C
19th Jul 2025454 AMAQI
19th Jul 2025425 AMAQI
19th Jul 2025426 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025428 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20252211 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025211 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025164 PMAQI
19th Jul 2025165 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253210 PMAQI
19th Jul 20253211 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025411 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025423 AMAQI
26°C25/29°C
20th Jul 2025414 AMAQI
20th Jul 2025385 AMAQI
20th Jul 2025386 AMAQI
20th Jul 2025387 AMAQI
20th Jul 2025388 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025191 PMAQI
20th Jul 2025192 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025174 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025226 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253412 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025412 AMAQI
21st Jul 2025413 AMAQI
27°C25/29°C
21st Jul 2025394 AMAQI
21st Jul 2025365 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025367 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252510 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025262 PMAQI
21st Jul 2025243 PMAQI
21st Jul 2025244 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025216 PMAQI
21st Jul 2025207 PMAQI
21st Jul 2025238 PMAQI
21st Jul 2025279 PMAQI
21st Jul 20252710 PMAQI
21st Jul 20252811 PMAQI
22nd Jul 20252912 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025372 AMAQI
22nd Jul 2025383 AMAQI
27°C26/29°C
22nd Jul 2025364 AMAQI
22nd Jul 2025345 AMAQI
22nd Jul 2025346 AMAQI
22nd Jul 2025357 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20252412 PMAQI
22nd Jul 2025271 PMAQI
22nd Jul 2025222 PMAQI
22nd Jul 2025213 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025186 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025281 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
27°C26/29°C
23rd Jul 2025344 AMAQI
23rd Jul 2025335 AMAQI
23rd Jul 2025336 AMAQI
23rd Jul 2025337 AMAQI
23rd Jul 2025338 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20252311 AMAQI
23rd Jul 20252812 PMAQI
23rd Jul 2025251 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025364 PMAQI
23rd Jul 2025215 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025218 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025322 AMAQI
24th Jul 2025323 AMAQI
27°C25/29°C
24th Jul 2025324 AMAQI
24th Jul 2025315 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253410 AMAQI
24th Jul 20253811 AMAQI
24th Jul 20254912 PMAQI
24th Jul 2025391 PMAQI
24th Jul 2025242 PMAQI
24th Jul 2025253 PMAQI
24th Jul 2025174 PMAQI
24th Jul 2025165 PMAQI
24th Jul 2025186 PMAQI
24th Jul 2025187 PMAQI
24th Jul 2025218 PMAQI
24th Jul 2025249 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252411 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025323 AMAQI
27°C25/30°C
25th Jul 2025324 AMAQI
25th Jul 2025335 AMAQI
25th Jul 2025326 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025239 AMAQI
25th Jul 20251910 AMAQI
25th Jul 20251611 AMAQI
25th Jul 20251912 PMAQI
25th Jul 2025191 PMAQI
25th Jul 2025182 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025174 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025156 PMAQI
25th Jul 2025167 PMAQI
25th Jul 2025188 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252310 PMAQI
25th Jul 20252411 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
28°C26/30°C
26th Jul 2025304 AMAQI
26th Jul 2025285 AMAQI
26th Jul 2025286 AMAQI
26th Jul 2025297 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20252310 AMAQI
26th Jul 20252011 AMAQI
26th Jul 20252112 PMAQI
26th Jul 2025221 PMAQI
26th Jul 2025212 PMAQI
26th Jul 2025213 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025185 PMAQI
26th Jul 2025206 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025228 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252410 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252312 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025292 AMAQI
27th Jul 2025303 AMAQI
28°C26/30°C
27th Jul 2025284 AMAQI
27th Jul 2025285 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20251510 AMAQI
27th Jul 20251611 AMAQI
27th Jul 20251712 PMAQI
27th Jul 2025161 PMAQI
27th Jul 2025162 PMAQI
27th Jul 2025173 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025175 PMAQI
27th Jul 2025146 PMAQI
27th Jul 2025157 PMAQI
27th Jul 2025188 PMAQI
27th Jul 2025219 PMAQI
27th Jul 20252010 PMAQI
27th Jul 20252111 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025241 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI
27°C26/29°C
28th Jul 2025274 AMAQI
28th Jul 2025265 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025258 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252710 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025271 PMAQI
28th Jul 2025242 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025184 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025176 PMAQI
28th Jul 2025157 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025209 PMAQI
28th Jul 20252010 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025273 AMAQI
27°C25/30°C
29th Jul 2025264 AMAQI
29th Jul 2025265 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252710 AMAQI
29th Jul 20253811 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025331 PMAQI
29th Jul 2025302 PMAQI
29th Jul 2025283 PMAQI
29th Jul 2025214 PMAQI
29th Jul 2025205 PMAQI
29th Jul 2025186 PMAQI
29th Jul 2025177 PMAQI
29th Jul 2025188 PMAQI
29th Jul 2025209 PMAQI
29th Jul 20252110 PMAQI
29th Jul 20252111 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025251 AMAQI
30th Jul 2025272 AMAQI
30th Jul 2025263 AMAQI
27°C24/32°C
30th Jul 2025274 AMAQI
30th Jul 2025285 AMAQI
30th Jul 2025286 AMAQI
30th Jul 2025287 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025249 AMAQI
30th Jul 20252510 AMAQI
30th Jul 20252711 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025332 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025324 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025337 PMAQI
30th Jul 2025328 PMAQI
30th Jul 2025299 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20253212 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025273 AMAQI
28°C24/32°C
31st Jul 2025274 AMAQI
31st Jul 2025275 AMAQI
31st Jul 2025276 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025278 AMAQI
31st Jul 2025279 AMAQI
31st Jul 20252710 AMAQI
31st Jul 20253811 AMAQI
31st Jul 20254312 PMAQI
31st Jul 2025421 PMAQI
31st Jul 2025412 PMAQI
31st Jul 2025373 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025265 PMAQI
31st Jul 2025346 PMAQI
31st Jul 2025307 PMAQI
31st Jul 2025308 PMAQI
31st Jul 2025309 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025281 AMAQI
1st Aug 2025312 AMAQI
1st Aug 2025323 AMAQI
27°C24/31°C
1st Aug 2025324 AMAQI
1st Aug 2025335 AMAQI
1st Aug 2025326 AMAQI
1st Aug 2025367 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20252810 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025391 PMAQI
1st Aug 2025282 PMAQI
1st Aug 2025283 PMAQI
1st Aug 2025444 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025456 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252811 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025343 AMAQI
27°C25/29°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025376 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20253910 AMAQI
2nd Aug 20254211 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025461 PMAQI
2nd Aug 2025502 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025494 PMAQI
2nd Aug 2025445 PMAQI
2nd Aug 2025476 PMAQI
2nd Aug 2025517 PMAQI
2nd Aug 2025398 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025343 AMAQI
28°C25/31°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025469 AMAQI
3rd Aug 20255410 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255612 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025552 PMAQI
3rd Aug 2025483 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025375 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025457 PMAQI
3rd Aug 2025458 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253912 AMAQI
4th Aug 2025371 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025383 AMAQI
28°C26/33°C
4th Aug 2025404 AMAQI
4th Aug 2025425 AMAQI
4th Aug 2025426 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025609 AMAQI
4th Aug 20257610 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258312 PMAQI
4th Aug 2025851 PMAQI
4th Aug 2025912 PMAQI
4th Aug 2025873 PMAQI
4th Aug 2025954 PMAQI
4th Aug 2025985 PMAQI
4th Aug 20251026 PMAQI
4th Aug 2025797 PMAQI
4th Aug 2025768 PMAQI
4th Aug 2025599 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025431 AMAQI
5th Aug 2025412 AMAQI
5th Aug 2025403 AMAQI
28°C27/30°C
5th Aug 2025504 AMAQI
5th Aug 2025535 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025507 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256410 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20255512 PMAQI
5th Aug 2025641 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025473 PMAQI
5th Aug 2025554 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025497 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254610 PMAQI
5th Aug 20254411 PMAQI
6th Aug 20254412 AMAQI
6th Aug 2025471 AMAQI
6th Aug 2025492 AMAQI
6th Aug 2025483 AMAQI
29°C27/30°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025506 AMAQI
6th Aug 2025517 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20254710 AMAQI
6th Aug 20254311 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025551 PMAQI
6th Aug 2025572 PMAQI
6th Aug 2025533 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025555 PMAQI
6th Aug 2025576 PMAQI
6th Aug 2025597 PMAQI
6th Aug 2025548 PMAQI
6th Aug 2025509 PMAQI
6th Aug 20255310 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254612 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025482 AMAQI
7th Aug 2025483 AMAQI
29°C27/32°C
7th Aug 2025474 AMAQI
7th Aug 2025475 AMAQI
7th Aug 2025466 AMAQI
7th Aug 2025457 AMAQI
7th Aug 2025448 AMAQI
7th Aug 2025449 AMAQI
7th Aug 20254210 AMAQI
7th Aug 20254911 AMAQI
7th Aug 20254412 PMAQI
7th Aug 2025371 PMAQI
7th Aug 2025482 PMAQI
7th Aug 2025593 PMAQI
7th Aug 2025594 PMAQI
7th Aug 2025615 PMAQI
7th Aug 2025586 PMAQI
7th Aug 2025547 PMAQI
7th Aug 2025558 PMAQI
7th Aug 2025549 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025481 AMAQI
8th Aug 2025482 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
43AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
5 PM - 6 PM
33AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 43), while the lowest AQI was between 5 PM to 6 PM (Avg. 33).
Night time
Avg. Highest Time
1 AM - 3 AM
43AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 43), while the lowest AQI was between 7 PM to 7 PM (Avg. 31).
2025 Days Vs Air Quality
Kubo, Kimitsu, Chiba, Japan
2025
90%
196
10%
22
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Good
196 DaysModerate
22 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 219 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Kubo, Kimitsu, 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
33AQI
33AQI
3rd January 2025
26AQI
26AQI
4th January 2025
30AQI
30AQI
5th January 2025
29AQI
29AQI
6th January 2025
55AQI
55AQI
7th January 2025
29AQI
29AQI
8th January 2025
39AQI
39AQI
9th January 2025
29AQI
29AQI
10th January 2025
31AQI
31AQI
11th January 2025
28AQI
28AQI
12th January 2025
42AQI
42AQI
13th January 2025
30AQI
30AQI
14th January 2025
37AQI
37AQI
15th January 2025
38AQI
38AQI
16th January 2025
31AQI
31AQI
17th January 2025
29AQI
29AQI
18th January 2025
32AQI
32AQI
19th January 2025
55AQI
55AQI
20th January 2025
42AQI
42AQI
21st January 2025
45AQI
45AQI
22nd January 2025
39AQI
39AQI
23rd January 2025
50AQI
50AQI
24th January 2025
52AQI
52AQI
25th January 2025
41AQI
41AQI
26th January 2025
39AQI
39AQI
27th January 2025
36AQI
36AQI
28th January 2025
37AQI
37AQI
29th January 2025
33AQI
33AQI
30th January 2025
32AQI
32AQI
31st January 2025
30AQI
30AQI
1st February 2025
39AQI
39AQI
2nd February 2025
32AQI
32AQI
3rd February 2025
46AQI
46AQI
4th February 2025
30AQI
30AQI
5th February 2025
37AQI
37AQI
6th February 2025
30AQI
30AQI
7th February 2025
31AQI
31AQI
8th February 2025
31AQI
31AQI
9th February 2025
30AQI
30AQI
10th February 2025
32AQI
32AQI
11th February 2025
31AQI
31AQI
12th February 2025
32AQI
32AQI
13th February 2025
31AQI
31AQI
14th February 2025
30AQI
30AQI
15th February 2025
31AQI
31AQI
16th February 2025
36AQI
36AQI
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
32AQI
32AQI
25th February 2025
35AQI
35AQI
26th February 2025
36AQI
36AQI
27th February 2025
39AQI
39AQI
28th February 2025
47AQI
47AQI
1st March 2025
49AQI
49AQI
2nd March 2025
60AQI
60AQI
3rd March 2025
40AQI
40AQI
4th March 2025
40AQI
40AQI
5th March 2025
27AQI
27AQI
6th March 2025
33AQI
33AQI
7th March 2025
32AQI
32AQI
8th March 2025
34AQI
34AQI
9th March 2025
34AQI
34AQI
10th March 2025
34AQI
34AQI
11th March 2025
41AQI
41AQI
12th March 2025
51AQI
51AQI
13th March 2025
47AQI
47AQI
14th March 2025
44AQI
44AQI
15th March 2025
41AQI
41AQI
16th March 2025
29AQI
29AQI
17th March 2025
25AQI
25AQI
18th March 2025
25AQI
25AQI
19th March 2025
20AQI
20AQI
20th March 2025
27AQI
27AQI
21st March 2025
43AQI
43AQI
22nd March 2025
48AQI
48AQI
23rd March 2025
58AQI
58AQI
24th March 2025
58AQI
58AQI
25th March 2025
64AQI
64AQI
26th March 2025
85AQI
85AQI
27th March 2025
71AQI
71AQI
28th March 2025
54AQI
54AQI
29th March 2025
38AQI
38AQI
30th March 2025
49AQI
49AQI
31st March 2025
34AQI
34AQI
1st April 2025
32AQI
32AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
22AQI
22AQI
4th April 2025
22AQI
22AQI
5th April 2025
25AQI
25AQI
6th April 2025
24AQI
24AQI
7th April 2025
31AQI
31AQI
8th April 2025
36AQI
36AQI
9th April 2025
32AQI
32AQI
10th April 2025
46AQI
46AQI
11th April 2025
37AQI
37AQI
12th April 2025
40AQI
40AQI
13th April 2025
26AQI
26AQI
14th April 2025
43AQI
43AQI
15th April 2025
29AQI
29AQI
16th April 2025
40AQI
40AQI
17th April 2025
44AQI
44AQI
18th April 2025
50AQI
50AQI
19th April 2025
57AQI
57AQI
20th April 2025
44AQI
44AQI
21st April 2025
45AQI
45AQI
22nd April 2025
40AQI
40AQI
23rd April 2025
31AQI
31AQI
24th April 2025
43AQI
43AQI
25th April 2025
35AQI
35AQI
26th April 2025
45AQI
45AQI
27th April 2025
46AQI
46AQI
28th April 2025
40AQI
40AQI
29th April 2025
39AQI
39AQI
30th April 2025
46AQI
46AQI
1st May 2025
39AQI
39AQI
2nd May 2025
30AQI
30AQI
3rd May 2025
31AQI
31AQI
4th May 2025
40AQI
40AQI
5th May 2025
34AQI
34AQI
6th May 2025
28AQI
28AQI
7th May 2025
25AQI
25AQI
8th May 2025
27AQI
27AQI
9th May 2025
29AQI
29AQI
10th May 2025
27AQI
27AQI
11th May 2025
32AQI
32AQI
12th May 2025
28AQI
28AQI
13th May 2025
36AQI
36AQI
14th May 2025
31AQI
31AQI
15th May 2025
37AQI
37AQI
16th May 2025
34AQI
34AQI
17th May 2025
29AQI
29AQI
18th May 2025
40AQI
40AQI
19th May 2025
43AQI
43AQI
20th May 2025
56AQI
56AQI
21st May 2025
35AQI
35AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
37AQI
37AQI
24th May 2025
36AQI
36AQI
25th May 2025
28AQI
28AQI
26th May 2025
28AQI
28AQI
27th May 2025
27AQI
27AQI
28th May 2025
25AQI
25AQI
29th May 2025
30AQI
30AQI
30th May 2025
22AQI
22AQI
31st May 2025
17AQI
17AQI
1st June 2025
19AQI
19AQI
2nd June 2025
27AQI
27AQI
3rd June 2025
26AQI
26AQI
4th June 2025
27AQI
27AQI
5th June 2025
39AQI
39AQI
6th June 2025
44AQI
44AQI
7th June 2025
45AQI
45AQI
8th June 2025
52AQI
52AQI
9th June 2025
34AQI
34AQI
10th June 2025
29AQI
29AQI
11th June 2025
28AQI
28AQI
12th June 2025
40AQI
40AQI
13th June 2025
34AQI
34AQI
14th June 2025
31AQI
31AQI
15th June 2025
42AQI
42AQI
16th June 2025
38AQI
38AQI
17th June 2025
45AQI
45AQI
18th June 2025
44AQI
44AQI
19th June 2025
39AQI
39AQI
20th June 2025
33AQI
33AQI
21st June 2025
26AQI
26AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
21AQI
21AQI
24th June 2025
21AQI
21AQI
25th June 2025
20AQI
20AQI
26th June 2025
20AQI
20AQI
27th June 2025
34AQI
34AQI
28th June 2025
32AQI
32AQI
29th June 2025
29AQI
29AQI
30th June 2025
34AQI
34AQI
1st July 2025
33AQI
33AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
33AQI
33AQI
4th July 2025
35AQI
35AQI
5th July 2025
52AQI
52AQI
6th July 2025
70AQI
70AQI
7th July 2025
81AQI
81AQI
8th July 2025
78AQI
78AQI
9th July 2025
68AQI
68AQI
10th July 2025
51AQI
51AQI
11th July 2025
48AQI
48AQI
12th July 2025
52AQI
52AQI
13th July 2025
48AQI
48AQI
14th July 2025
39AQI
39AQI
15th July 2025
40AQI
40AQI
16th July 2025
37AQI
37AQI
17th July 2025
41AQI
41AQI
18th July 2025
34AQI
34AQI
19th July 2025
31AQI
31AQI
20th July 2025
30AQI
30AQI
21st July 2025
30AQI
30AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
27AQI
27AQI
24th July 2025
28AQI
28AQI
25th July 2025
24AQI
24AQI
26th July 2025
24AQI
24AQI
27th July 2025
22AQI
22AQI
28th July 2025
23AQI
23AQI
29th July 2025
25AQI
25AQI
30th July 2025
29AQI
29AQI
31st July 2025
31AQI
31AQI
1st August 2025
33AQI
33AQI
2nd August 2025
40AQI
40AQI
3rd August 2025
43AQI
43AQI
4th August 2025
63AQI
63AQI
5th August 2025
50AQI
50AQI
6th August 2025
50AQI
50AQI
36AQI
34AQI
43AQI
37AQI
32AQI
32AQI
40AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
28
3
28
23
8
29
1
30
1
29
1
24
7
5
1
196
22
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May32AQI
202437AQI
29
2
28
1
23
8
23
7
29
2
26
4
17
14
30
1
29
1
31
27
3
30
1
322
44
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
September29AQI
202338AQI
22
9
25
3
28
3
25
5
29
2
24
6
25
6
27
4
29
1
30
1
22
7
26
5
312
52
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
September29AQI
202237AQI
25
6
18
3
25
6
24
5
28
3
29
1
21
1
28
28
3
28
2
31
286
29
Highest AQI recorded in
March44AQI
Lowest AQI recorded in
August24AQI
202135AQI
24
6
24
4
26
5
28
2
23
8
28
2
28
3
26
5
29
1
30
1
26
4
27
4
319
45
Highest AQI recorded in
May41AQI
Lowest AQI recorded in
July30AQI
202033AQI
12
1
19
2
18
24
6
31
25
5
1
19
31
22
8
26
5
227
27
1
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
September25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
33AQIKubo's annual 2025 AQI (37) shows an average percentage change of 2.5% (worsened AQI) compared to previous years: 2020 (33), 2021 (35), 2022 (37), 2023 (38), 2024 (37).
