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
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
22nd Aug 2023
70AQILowest AQI recorded on
7th Aug 2023
12AQISame Day Analysis (4th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 3rd Aug - 4th Aug 2026
Kubo, Kimitsu, Chiba, Japan
AQI
Day
Night
.
4 AM3rd Aug 2026
6 PM
3 AM4th Aug 2026
Day time
Avg. Highest Time
3PM3rd Aug
38AQI
Avg. Lowest Time
7AM3rd Aug
14AQI
Night time
Avg. Highest Time
7PM3rd Aug
24AQI
Avg. Lowest Time
2AM4th Aug
15AQI
In the last 24 hours,
Kubo's AQI reached its highest point of 38 at 3 PM during the Day, while the lowest point, 14, was recorded at 7 AM during the Day between 3rd Aug and 4th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kubo, Kimitsu, Chiba, Japan
JulAug
06th - 07th07th - 08th08th - 09th09th - 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
Day
Night
6th Jul 2026294 AMAQI
6th Jul 2026205 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026337 AMAQI
6th Jul 2026368 AMAQI
6th Jul 2026319 AMAQI
6th Jul 20263110 AMAQI
6th Jul 20262711 AMAQI
6th Jul 20262912 PMAQI
6th Jul 2026251 PMAQI
6th Jul 2026272 PMAQI
6th Jul 2026173 PMAQI
6th Jul 2026174 PMAQI
6th Jul 2026145 PMAQI
6th Jul 2026126 PMAQI
6th Jul 2026207 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026329 PMAQI
6th Jul 20263810 PMAQI
6th Jul 20263611 PMAQI
7th Jul 20261212 AMAQI
7th Jul 2026121 AMAQI
7th Jul 2026172 AMAQI
7th Jul 2026233 AMAQI
22°C21/24°C
7th Jul 2026314 AMAQI
7th Jul 2026295 AMAQI
7th Jul 2026316 AMAQI
7th Jul 2026267 AMAQI
7th Jul 2026198 AMAQI
7th Jul 2026199 AMAQI
7th Jul 20263310 AMAQI
7th Jul 20263311 AMAQI
7th Jul 20263612 PMAQI
7th Jul 2026401 PMAQI
7th Jul 2026362 PMAQI
7th Jul 2026123 PMAQI
7th Jul 2026144 PMAQI
7th Jul 2026125 PMAQI
7th Jul 2026126 PMAQI
7th Jul 2026137 PMAQI
7th Jul 2026128 PMAQI
7th Jul 2026129 PMAQI
7th Jul 20261210 PMAQI
7th Jul 20261211 PMAQI
8th Jul 20261212 AMAQI
8th Jul 2026101 AMAQI
8th Jul 2026122 AMAQI
8th Jul 2026123 AMAQI
23°C20/26°C
8th Jul 2026124 AMAQI
8th Jul 2026125 AMAQI
8th Jul 2026186 AMAQI
8th Jul 2026277 AMAQI
8th Jul 2026338 AMAQI
8th Jul 2026149 AMAQI
8th Jul 20262510 AMAQI
8th Jul 20262911 AMAQI
8th Jul 20262512 PMAQI
8th Jul 2026481 PMAQI
8th Jul 2026272 PMAQI
8th Jul 2026383 PMAQI
8th Jul 2026424 PMAQI
8th Jul 2026255 PMAQI
8th Jul 2026236 PMAQI
8th Jul 2026217 PMAQI
8th Jul 2026218 PMAQI
8th Jul 202689 PMAQI
8th Jul 2026810 PMAQI
8th Jul 20261211 PMAQI
9th Jul 20261612 AMAQI
9th Jul 2026211 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026213 AMAQI
23°C20/26°C
9th Jul 2026214 AMAQI
9th Jul 2026255 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026257 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026199 AMAQI
9th Jul 20262010 AMAQI
9th Jul 20261211 AMAQI
9th Jul 20261712 PMAQI
9th Jul 2026251 PMAQI
9th Jul 2026272 PMAQI
9th Jul 2026403 PMAQI
9th Jul 2026174 PMAQI
9th Jul 2026175 PMAQI
9th Jul 2026106 PMAQI
9th Jul 202687 PMAQI
9th Jul 2026128 PMAQI
9th Jul 2026129 PMAQI
9th Jul 20261210 PMAQI
9th Jul 20262111 PMAQI
10th Jul 20262112 AMAQI
10th Jul 2026251 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026173 AMAQI
24°C21/26°C
10th Jul 202684 AMAQI
10th Jul 202685 AMAQI
10th Jul 202686 AMAQI
10th Jul 2026127 AMAQI
10th Jul 2026148 AMAQI
10th Jul 2026129 AMAQI
10th Jul 20261410 AMAQI
10th Jul 20261411 AMAQI
10th Jul 20261412 PMAQI
10th Jul 2026121 PMAQI
10th Jul 2026122 PMAQI
10th Jul 2026123 PMAQI
10th Jul 2026144 PMAQI
10th Jul 2026215 PMAQI
10th Jul 2026176 PMAQI
10th Jul 2026267 PMAQI
10th Jul 2026178 PMAQI
10th Jul 202689 PMAQI
10th Jul 20261810 PMAQI
10th Jul 20261911 PMAQI
11th Jul 20261912 AMAQI
11th Jul 202681 AMAQI
11th Jul 2026182 AMAQI
11th Jul 202683 AMAQI
24°C22/27°C
11th Jul 202684 AMAQI
11th Jul 202685 AMAQI
11th Jul 2026186 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026178 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20261811 AMAQI
11th Jul 20262212 PMAQI
11th Jul 2026201 PMAQI
11th Jul 2026202 PMAQI
11th Jul 2026203 PMAQI
11th Jul 2026224 PMAQI
11th Jul 2026265 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026207 PMAQI
11th Jul 2026188 PMAQI
11th Jul 2026289 PMAQI
11th Jul 20262010 PMAQI
11th Jul 20262811 PMAQI
12th Jul 20262812 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026243 AMAQI
25°C23/27°C
12th Jul 2026284 AMAQI
12th Jul 2026205 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026248 AMAQI
12th Jul 2026299 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262312 PMAQI
12th Jul 2026211 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026403 PMAQI
12th Jul 2026444 PMAQI
12th Jul 2026385 PMAQI
12th Jul 2026266 PMAQI
12th Jul 2026207 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026489 PMAQI
12th Jul 20261710 PMAQI
12th Jul 20261811 PMAQI
13th Jul 20262512 AMAQI
13th Jul 2026281 AMAQI
13th Jul 2026252 AMAQI
13th Jul 2026363 AMAQI
25°C23/26°C
13th Jul 2026284 AMAQI
13th Jul 2026275 AMAQI
13th Jul 2026336 AMAQI
13th Jul 2026337 AMAQI
13th Jul 2026298 AMAQI
13th Jul 2026409 AMAQI
13th Jul 20265210 AMAQI
13th Jul 20263811 AMAQI
13th Jul 20262512 PMAQI
13th Jul 2026401 PMAQI
13th Jul 2026422 PMAQI
13th Jul 2026643 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026375 PMAQI
13th Jul 2026496 PMAQI
13th Jul 2026567 PMAQI
13th Jul 2026708 PMAQI
13th Jul 2026569 PMAQI
13th Jul 20266410 PMAQI
13th Jul 20266911 PMAQI
14th Jul 20265912 AMAQI
14th Jul 2026461 AMAQI
14th Jul 2026462 AMAQI
14th Jul 2026463 AMAQI
25°C24/27°C
14th Jul 2026494 AMAQI
14th Jul 2026335 AMAQI
14th Jul 2026386 AMAQI
14th Jul 2026207 AMAQI
14th Jul 2026318 AMAQI
14th Jul 2026389 AMAQI
14th Jul 20263310 AMAQI
14th Jul 20263311 AMAQI
14th Jul 20262912 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026272 PMAQI
14th Jul 2026253 PMAQI
14th Jul 2026214 PMAQI
14th Jul 2026145 PMAQI
14th Jul 2026176 PMAQI
14th Jul 2026217 PMAQI
14th Jul 2026208 PMAQI
14th Jul 2026209 PMAQI
14th Jul 20262010 PMAQI
14th Jul 20262111 PMAQI
15th Jul 20262912 AMAQI
15th Jul 2026311 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026293 AMAQI
25°C23/28°C
15th Jul 2026254 AMAQI
15th Jul 2026235 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026369 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20265311 AMAQI
15th Jul 20265012 PMAQI
15th Jul 2026251 PMAQI
15th Jul 2026362 PMAQI
15th Jul 2026493 PMAQI
15th Jul 2026534 PMAQI
15th Jul 2026525 PMAQI
15th Jul 2026556 PMAQI
15th Jul 2026467 PMAQI
15th Jul 2026268 PMAQI
15th Jul 2026309 PMAQI
15th Jul 20263310 PMAQI
15th Jul 20263411 PMAQI
16th Jul 20264012 AMAQI
16th Jul 2026421 AMAQI
16th Jul 2026452 AMAQI
16th Jul 2026643 AMAQI
26°C24/29°C
16th Jul 2026364 AMAQI
16th Jul 2026605 AMAQI
16th Jul 2026796 AMAQI
16th Jul 2026747 AMAQI
16th Jul 2026678 AMAQI
16th Jul 2026719 AMAQI
16th Jul 20266910 AMAQI
16th Jul 20267011 AMAQI
16th Jul 20267912 PMAQI
16th Jul 2026861 PMAQI
16th Jul 2026882 PMAQI
16th Jul 2026863 PMAQI
16th Jul 2026764 PMAQI
16th Jul 2026825 PMAQI
16th Jul 2026766 PMAQI
16th Jul 2026647 PMAQI
16th Jul 2026628 PMAQI
16th Jul 2026629 PMAQI
16th Jul 20266710 PMAQI
16th Jul 20266711 PMAQI
17th Jul 20266512 AMAQI
17th Jul 2026621 AMAQI
17th Jul 2026642 AMAQI
17th Jul 2026623 AMAQI
27°C25/29°C
17th Jul 2026574 AMAQI
17th Jul 2026665 AMAQI
17th Jul 2026626 AMAQI
17th Jul 2026587 AMAQI
17th Jul 2026588 AMAQI
17th Jul 2026669 AMAQI
17th Jul 20266510 AMAQI
17th Jul 20266711 AMAQI
17th Jul 20266412 PMAQI
17th Jul 2026351 PMAQI
17th Jul 2026212 PMAQI
17th Jul 2026363 PMAQI
17th Jul 2026544 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026596 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026368 PMAQI
17th Jul 2026349 PMAQI
17th Jul 20263310 PMAQI
17th Jul 20263111 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026401 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026273 AMAQI
26°C24/28°C
18th Jul 2026214 AMAQI
18th Jul 2026235 AMAQI
18th Jul 2026146 AMAQI
18th Jul 2026147 AMAQI
18th Jul 2026178 AMAQI
18th Jul 2026259 AMAQI
18th Jul 20262910 AMAQI
18th Jul 2026811 AMAQI
18th Jul 20261712 PMAQI
18th Jul 2026171 PMAQI
18th Jul 2026212 PMAQI
18th Jul 2026103 PMAQI
18th Jul 2026194 PMAQI
18th Jul 2026265 PMAQI
18th Jul 202686 PMAQI
18th Jul 202687 PMAQI
18th Jul 2026148 PMAQI
18th Jul 202669 PMAQI
18th Jul 20261010 PMAQI
18th Jul 20261011 PMAQI
19th Jul 2026812 AMAQI
19th Jul 202681 AMAQI
19th Jul 202682 AMAQI
19th Jul 202683 AMAQI
25°C24/28°C
19th Jul 202684 AMAQI
19th Jul 202685 AMAQI
19th Jul 202686 AMAQI
19th Jul 202687 AMAQI
19th Jul 2026138 AMAQI
19th Jul 2026239 AMAQI
19th Jul 20262310 AMAQI
19th Jul 20262511 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026212 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026275 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026191 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI
26°C23/27°C
20th Jul 2026234 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262910 AMAQI
20th Jul 20263111 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026273 PMAQI
20th Jul 2026334 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026237 PMAQI
20th Jul 2026218 PMAQI
20th Jul 2026219 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262311 PMAQI
21st Jul 20264212 AMAQI
21st Jul 2026441 AMAQI
21st Jul 2026442 AMAQI
21st Jul 2026363 AMAQI
27°C24/29°C
21st Jul 2026254 AMAQI
21st Jul 2026345 AMAQI
21st Jul 2026426 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026408 AMAQI
21st Jul 2026379 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20264611 AMAQI
21st Jul 2026531 PMAQI
21st Jul 2026532 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026514 PMAQI
21st Jul 2026465 PMAQI
21st Jul 2026446 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026428 PMAQI
21st Jul 2026449 PMAQI
21st Jul 20264810 PMAQI
21st Jul 20265211 PMAQI
22nd Jul 20265112 AMAQI
22nd Jul 2026511 AMAQI
22nd Jul 2026522 AMAQI
22nd Jul 2026543 AMAQI
27°C25/30°C
22nd Jul 2026534 AMAQI
22nd Jul 2026555 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026527 AMAQI
22nd Jul 2026558 AMAQI
22nd Jul 2026589 AMAQI
22nd Jul 20265910 AMAQI
22nd Jul 20266211 AMAQI
22nd Jul 20266212 PMAQI
22nd Jul 2026521 PMAQI
22nd Jul 2026582 PMAQI
22nd Jul 2026583 PMAQI
22nd Jul 2026624 PMAQI
22nd Jul 2026635 PMAQI
22nd Jul 2026626 PMAQI
22nd Jul 2026667 PMAQI
22nd Jul 2026738 PMAQI
22nd Jul 2026849 PMAQI
22nd Jul 20266210 PMAQI
22nd Jul 20266211 PMAQI
23rd Jul 20263012 AMAQI
23rd Jul 2026331 AMAQI
23rd Jul 2026682 AMAQI
23rd Jul 2026543 AMAQI
27°C25/30°C
23rd Jul 2026464 AMAQI
23rd Jul 2026605 AMAQI
23rd Jul 2026686 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026568 AMAQI
23rd Jul 2026769 AMAQI
23rd Jul 20267510 AMAQI
23rd Jul 20268611 AMAQI
23rd Jul 20267812 PMAQI
23rd Jul 2026761 PMAQI
23rd Jul 2026692 PMAQI
23rd Jul 2026653 PMAQI
23rd Jul 2026574 PMAQI
23rd Jul 2026515 PMAQI
23rd Jul 2026626 PMAQI
23rd Jul 2026547 PMAQI
23rd Jul 2026308 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20263110 PMAQI
23rd Jul 20264611 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026161 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026233 AMAQI
28°C25/33°C
24th Jul 2026274 AMAQI
24th Jul 2026195 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026317 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026449 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20265511 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026551 PMAQI
24th Jul 2026502 PMAQI
24th Jul 2026473 PMAQI
24th Jul 2026484 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026406 PMAQI
24th Jul 2026487 PMAQI
24th Jul 2026518 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20262610 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026421 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026643 AMAQI
27°C25/29°C
25th Jul 2026524 AMAQI
25th Jul 2026585 AMAQI
25th Jul 2026526 AMAQI
25th Jul 2026567 AMAQI
25th Jul 2026748 AMAQI
25th Jul 2026749 AMAQI
25th Jul 20266510 AMAQI
25th Jul 20268811 AMAQI
25th Jul 20267312 PMAQI
25th Jul 2026641 PMAQI
25th Jul 2026802 PMAQI
25th Jul 2026533 PMAQI
25th Jul 2026624 PMAQI
25th Jul 2026695 PMAQI
25th Jul 2026656 PMAQI
25th Jul 2026297 PMAQI
25th Jul 202688 PMAQI
25th Jul 2026179 PMAQI
25th Jul 20261210 PMAQI
25th Jul 20261211 PMAQI
26th Jul 20261812 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026323 AMAQI
27°C23/30°C
26th Jul 2026314 AMAQI
26th Jul 2026315 AMAQI
26th Jul 2026296 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026361 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026383 PMAQI
26th Jul 2026164 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20263311 PMAQI
27th Jul 20263812 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026313 AMAQI
26°C24/28°C
27th Jul 2026384 AMAQI
27th Jul 2026405 AMAQI
27th Jul 2026346 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20261710 AMAQI
27th Jul 20261711 AMAQI
27th Jul 20261212 PMAQI
27th Jul 202681 PMAQI
27th Jul 2026192 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026234 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026331 AMAQI
28th Jul 2026322 AMAQI
28th Jul 2026253 AMAQI
25°C23/28°C
28th Jul 2026214 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026299 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026511 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026445 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026278 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262310 PMAQI
28th Jul 20262311 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026251 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026273 AMAQI
25°C22/27°C
29th Jul 2026384 AMAQI
29th Jul 2026385 AMAQI
29th Jul 2026276 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026315 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262910 PMAQI
29th Jul 20265311 PMAQI
30th Jul 20265112 AMAQI
30th Jul 2026481 AMAQI
30th Jul 2026502 AMAQI
30th Jul 2026503 AMAQI
27°C24/30°C
30th Jul 2026504 AMAQI
30th Jul 2026495 AMAQI
30th Jul 2026346 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026251 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026404 PMAQI
30th Jul 2026525 PMAQI
30th Jul 2026466 PMAQI
30th Jul 2026507 PMAQI
30th Jul 2026538 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20265110 PMAQI
30th Jul 20265111 PMAQI
31st Jul 20265612 AMAQI
31st Jul 2026571 AMAQI
31st Jul 2026512 AMAQI
31st Jul 2026463 AMAQI
27°C25/30°C
31st Jul 2026424 AMAQI
31st Jul 2026485 AMAQI
31st Jul 2026426 AMAQI
31st Jul 2026407 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026489 AMAQI
31st Jul 20264810 AMAQI
31st Jul 20265511 AMAQI
31st Jul 20265512 PMAQI
31st Jul 2026561 PMAQI
31st Jul 2026532 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026554 PMAQI
31st Jul 2026575 PMAQI
31st Jul 2026576 PMAQI
31st Jul 2026587 PMAQI
31st Jul 2026588 PMAQI
31st Jul 2026559 PMAQI
31st Jul 20265710 PMAQI
31st Jul 20264811 PMAQI
1st Aug 20266012 AMAQI
1st Aug 2026531 AMAQI
1st Aug 2026552 AMAQI
1st Aug 2026603 AMAQI
28°C26/31°C
1st Aug 2026624 AMAQI
1st Aug 2026525 AMAQI
1st Aug 2026566 AMAQI
1st Aug 2026567 AMAQI
1st Aug 2026588 AMAQI
1st Aug 2026549 AMAQI
1st Aug 20266010 AMAQI
1st Aug 20266011 AMAQI
1st Aug 20266412 PMAQI
1st Aug 2026701 PMAQI
1st Aug 2026722 PMAQI
1st Aug 2026743 PMAQI
1st Aug 2026884 PMAQI
1st Aug 2026645 PMAQI
1st Aug 2026566 PMAQI
1st Aug 2026647 PMAQI
1st Aug 2026608 PMAQI
1st Aug 2026589 PMAQI
1st Aug 20266010 PMAQI
1st Aug 20267411 PMAQI
2nd Aug 20267112 AMAQI
2nd Aug 2026561 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026683 AMAQI
28°C25/31°C
2nd Aug 2026544 AMAQI
2nd Aug 2026525 AMAQI
2nd Aug 2026626 AMAQI
2nd Aug 2026627 AMAQI
2nd Aug 2026768 AMAQI
2nd Aug 2026879 AMAQI
2nd Aug 20269210 AMAQI
2nd Aug 20267111 AMAQI
2nd Aug 20266812 PMAQI
2nd Aug 2026741 PMAQI
2nd Aug 2026672 PMAQI
2nd Aug 2026583 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026236 PMAQI
2nd Aug 2026217 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026129 PMAQI
2nd Aug 20261210 PMAQI
2nd Aug 20262311 PMAQI
3rd Aug 20262012 AMAQI
3rd Aug 202681 AMAQI
3rd Aug 2026192 AMAQI
3rd Aug 2026253 AMAQI
28°C24/32°C
3rd Aug 2026294 AMAQI
3rd Aug 2026215 AMAQI
3rd Aug 2026196 AMAQI
3rd Aug 2026147 AMAQI
3rd Aug 2026238 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20263411 AMAQI
3rd Aug 20261512 PMAQI
3rd Aug 2026231 PMAQI
3rd Aug 2026292 PMAQI
3rd Aug 2026383 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026275 PMAQI
3rd Aug 2026366 PMAQI
3rd Aug 2026247 PMAQI
3rd Aug 2026188 PMAQI
3rd Aug 2026209 PMAQI
3rd Aug 20262210 PMAQI
3rd Aug 20262311 PMAQI
4th Aug 20261912 AMAQI
4th Aug 2026191 AMAQI
4th Aug 2026152 AMAQI
4th Aug 2026163 AMAQI
24°C23/27°C
4th Aug 2026204 AMAQI
4 AM4th Aug 2026295 AMAQI
4th Aug 2026176 AMAQI
4th Aug 2026237 AMAQI
4th Aug 2026168 AMAQI
4th Aug 2026369 AMAQI
4th Aug 20264810 AMAQI
4th Aug 20264211 AMAQI
11 AM4th Aug 20263112 PMAQI
4th Aug 2026311 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026273 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026366 PMAQI
6 PM4th Aug 2026317 PMAQI
4th Aug 2026318 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20262910 PMAQI
4th Aug 20262911 PMAQI
11 PM3 AM
24°C23/27°C
Day time
Avg. Highest Time
9 AM - 5 PM
39AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
4 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 5 PM (Avg. 39), while the lowest AQI was between 4 AM to 4 AM (Avg. 32).
Night time
Avg. Highest Time
2 AM - 7 PM
35AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
10 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 7 PM (Avg. 35), while the lowest AQI was between 10 PM to 10 PM (Avg. 30).
2026 Days Vs Air Quality
Kubo, Kimitsu, Chiba, Japan
2026
88%
190
12%
26
Total number of days with different AQI categories in last 216 days in 2026 (149 days remaining)
Good
190 DaysModerate
26 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 216 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
Kubo, Kimitsu, Chiba, Japan
AQI levels in 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
21AQI (US)
21AQI (US)
2nd January 2026
19AQI (US)
19AQI (US)
3rd January 2026
20AQI (US)
20AQI (US)
4th January 2026
24AQI (US)
24AQI (US)
5th January 2026
36AQI (US)
36AQI (US)
6th January 2026
27AQI (US)
27AQI (US)
7th January 2026
30AQI (US)
30AQI (US)
8th January 2026
42AQI (US)
42AQI (US)
9th January 2026
15AQI (US)
15AQI (US)
10th January 2026
37AQI (US)
37AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
14AQI (US)
14AQI (US)
13th January 2026
26AQI (US)
26AQI (US)
14th January 2026
18AQI (US)
18AQI (US)
15th January 2026
31AQI (US)
31AQI (US)
16th January 2026
43AQI (US)
43AQI (US)
17th January 2026
40AQI (US)
40AQI (US)
18th January 2026
18AQI (US)
18AQI (US)
19th January 2026
34AQI (US)
34AQI (US)
20th January 2026
32AQI (US)
32AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
22AQI (US)
22AQI (US)
23rd January 2026
37AQI (US)
37AQI (US)
24th January 2026
30AQI (US)
30AQI (US)
25th January 2026
43AQI (US)
43AQI (US)
26th January 2026
28AQI (US)
28AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
30AQI (US)
30AQI (US)
29th January 2026
20AQI (US)
20AQI (US)
30th January 2026
37AQI (US)
37AQI (US)
31st January 2026
40AQI (US)
40AQI (US)
1st February 2026
35AQI (US)
35AQI (US)
2nd February 2026
47AQI (US)
47AQI (US)
3rd February 2026
29AQI (US)
29AQI (US)
4th February 2026
38AQI (US)
38AQI (US)
5th February 2026
57AQI (US)
57AQI (US)
6th February 2026
60AQI (US)
60AQI (US)
7th February 2026
18AQI (US)
18AQI (US)
8th February 2026
11AQI (US)
11AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
30AQI (US)
30AQI (US)
11th February 2026
41AQI (US)
41AQI (US)
12th February 2026
34AQI (US)
34AQI (US)
13th February 2026
39AQI (US)
39AQI (US)
14th February 2026
58AQI (US)
58AQI (US)
15th February 2026
49AQI (US)
49AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
18AQI (US)
18AQI (US)
18th February 2026
29AQI (US)
29AQI (US)
19th February 2026
13AQI (US)
13AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
45AQI (US)
45AQI (US)
22nd February 2026
30AQI (US)
30AQI (US)
23rd February 2026
33AQI (US)
33AQI (US)
24th February 2026
35AQI (US)
35AQI (US)
25th February 2026
27AQI (US)
27AQI (US)
26th February 2026
16AQI (US)
16AQI (US)
27th February 2026
41AQI (US)
41AQI (US)
28th February 2026
39AQI (US)
39AQI (US)
1st March 2026
33AQI (US)
33AQI (US)
2nd March 2026
58AQI (US)
58AQI (US)
3rd March 2026
41AQI (US)
41AQI (US)
4th March 2026
47AQI (US)
47AQI (US)
5th March 2026
48AQI (US)
48AQI (US)
6th March 2026
50AQI (US)
50AQI (US)
7th March 2026
32AQI (US)
32AQI (US)
8th March 2026
21AQI (US)
21AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
56AQI (US)
56AQI (US)
11th March 2026
53AQI (US)
53AQI (US)
12th March 2026
58AQI (US)
58AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
43AQI (US)
43AQI (US)
15th March 2026
55AQI (US)
55AQI (US)
16th March 2026
46AQI (US)
46AQI (US)
17th March 2026
44AQI (US)
44AQI (US)
18th March 2026
47AQI (US)
47AQI (US)
19th March 2026
34AQI (US)
34AQI (US)
20th March 2026
31AQI (US)
31AQI (US)
21st March 2026
41AQI (US)
41AQI (US)
22nd March 2026
46AQI (US)
46AQI (US)
23rd March 2026
28AQI (US)
28AQI (US)
24th March 2026
31AQI (US)
31AQI (US)
25th March 2026
44AQI (US)
44AQI (US)
26th March 2026
24AQI (US)
24AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
52AQI (US)
52AQI (US)
29th March 2026
51AQI (US)
51AQI (US)
30th March 2026
45AQI (US)
45AQI (US)
31st March 2026
19AQI (US)
19AQI (US)
1st April 2026
25AQI (US)
25AQI (US)
2nd April 2026
20AQI (US)
20AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
43AQI (US)
43AQI (US)
5th April 2026
34AQI (US)
34AQI (US)
6th April 2026
34AQI (US)
34AQI (US)
7th April 2026
25AQI (US)
25AQI (US)
8th April 2026
23AQI (US)
23AQI (US)
9th April 2026
25AQI (US)
25AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
44AQI (US)
44AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
35AQI (US)
35AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
34AQI (US)
34AQI (US)
18th April 2026
26AQI (US)
26AQI (US)
19th April 2026
30AQI (US)
30AQI (US)
20th April 2026
34AQI (US)
34AQI (US)
21st April 2026
38AQI (US)
38AQI (US)
22nd April 2026
45AQI (US)
45AQI (US)
23rd April 2026
35AQI (US)
35AQI (US)
24th April 2026
29AQI (US)
29AQI (US)
25th April 2026
35AQI (US)
35AQI (US)
26th April 2026
50AQI (US)
50AQI (US)
27th April 2026
49AQI (US)
49AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
37AQI (US)
37AQI (US)
30th April 2026
21AQI (US)
21AQI (US)
1st May 2026
23AQI (US)
23AQI (US)
2nd May 2026
22AQI (US)
22AQI (US)
3rd May 2026
37AQI (US)
37AQI (US)
4th May 2026
30AQI (US)
30AQI (US)
5th May 2026
20AQI (US)
20AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
26AQI (US)
26AQI (US)
8th May 2026
22AQI (US)
22AQI (US)
9th May 2026
25AQI (US)
25AQI (US)
10th May 2026
27AQI (US)
27AQI (US)
11th May 2026
25AQI (US)
25AQI (US)
12th May 2026
28AQI (US)
28AQI (US)
13th May 2026
36AQI (US)
36AQI (US)
14th May 2026
32AQI (US)
32AQI (US)
15th May 2026
39AQI (US)
39AQI (US)
16th May 2026
85AQI (US)
85AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
52AQI (US)
52AQI (US)
19th May 2026
48AQI (US)
48AQI (US)
20th May 2026
60AQI (US)
60AQI (US)
21st May 2026
58AQI (US)
58AQI (US)
22nd May 2026
58AQI (US)
58AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
38AQI (US)
38AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
29AQI (US)
29AQI (US)
2nd June 2026
17AQI (US)
17AQI (US)
3rd June 2026
18AQI (US)
18AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
23AQI (US)
23AQI (US)
7th June 2026
31AQI (US)
31AQI (US)
8th June 2026
18AQI (US)
18AQI (US)
9th June 2026
15AQI (US)
15AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
39AQI (US)
39AQI (US)
14th June 2026
37AQI (US)
37AQI (US)
15th June 2026
14AQI (US)
14AQI (US)
16th June 2026
23AQI (US)
23AQI (US)
17th June 2026
22AQI (US)
22AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
26AQI (US)
26AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
20AQI (US)
20AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
25AQI (US)
25AQI (US)
25th June 2026
25AQI (US)
25AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
17AQI (US)
17AQI (US)
28th June 2026
22AQI (US)
22AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
28AQI (US)
28AQI (US)
1st July 2026
37AQI (US)
37AQI (US)
2nd July 2026
21AQI (US)
21AQI (US)
3rd July 2026
26AQI (US)
26AQI (US)
4th July 2026
21AQI (US)
21AQI (US)
5th July 2026
25AQI (US)
25AQI (US)
6th July 2026
25AQI (US)
25AQI (US)
7th July 2026
21AQI (US)
21AQI (US)
8th July 2026
21AQI (US)
21AQI (US)
9th July 2026
20AQI (US)
20AQI (US)
10th July 2026
15AQI (US)
15AQI (US)
11th July 2026
20AQI (US)
20AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
41AQI (US)
41AQI (US)
14th July 2026
30AQI (US)
30AQI (US)
15th July 2026
36AQI (US)
36AQI (US)
16th July 2026
67AQI (US)
67AQI (US)
17th July 2026
52AQI (US)
52AQI (US)
18th July 2026
20AQI (US)
20AQI (US)
19th July 2026
18AQI (US)
18AQI (US)
20th July 2026
25AQI (US)
25AQI (US)
21st July 2026
45AQI (US)
45AQI (US)
22nd July 2026
59AQI (US)
59AQI (US)
23rd July 2026
57AQI (US)
57AQI (US)
24th July 2026
38AQI (US)
38AQI (US)
25th July 2026
52AQI (US)
52AQI (US)
26th July 2026
29AQI (US)
29AQI (US)
27th July 2026
25AQI (US)
25AQI (US)
28th July 2026
31AQI (US)
31AQI (US)
29th July 2026
30AQI (US)
30AQI (US)
30th July 2026
41AQI (US)
41AQI (US)
31st July 2026
52AQI (US)
52AQI (US)
1st August 2026
62AQI (US)
62AQI (US)
2nd August 2026
53AQI (US)
53AQI (US)
3rd August 2026
24AQI (US)
24AQI (US)
4th August 2026
28AQI (US)
28AQI (US)
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
29AQI (US)
35AQI (US)
41AQI (US)
35AQI (US)
38AQI (US)
23AQI (US)
33AQI (US)
42AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
31
25
3
24
7
30
23
8
30
25
6
2
2
190
26
Highest AQI (US) recorded in
August42AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202539AQI (US)
28
3
28
23
8
29
1
30
1
29
1
24
7
23
8
29
1
22
9
24
6
23
8
312
53
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June32AQI (US)
202437AQI (US)
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 (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202338AQI (US)
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 (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202237AQI (US)
25
6
18
3
25
6
24
5
28
3
29
1
21
1
28
28
3
28
2
31
286
29
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202135AQI (US)
23
6
24
4
26
5
28
2
23
8
28
2
28
3
26
5
29
1
30
1
26
4
27
4
318
45
Highest AQI (US) recorded in
May41AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
202033AQI (US)
12
1
19
2
18
24
6
31
25
5
1
19
31
22
8
26
5
227
27
1
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
39AQI (US)Least Polluted Year Recorded
2020(Avg.)
33AQI (US)Kubo's annual 2026 AQI (US) (34) shows an average percentage change of -6.5% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (35), 2022 (37), 2023 (38), 2024 (37), 2025 (39).
