Chaahoncha, Soka, Saitama, 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
Chaahoncha, Soka, Saitama, Japan
2022
2023
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
60AQILowest AQI recorded on
13th Aug 2023
12AQISame Day Analysis (6th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Chaahoncha, Soka, Saitama, Japan
AQI
Day
Night
.
4 AM5th Aug 2026
6 PM
3 AM6th Aug 2026
Day time
Avg. Highest Time
11AM5th Aug
52AQI
Avg. Lowest Time
10AM5th Aug
21AQI
Night time
Avg. Highest Time
3AM6th Aug
30AQI
Avg. Lowest Time
2AM6th Aug
21AQI
In the last 24 hours,
Chaahoncha's AQI reached its highest point of 52 at 11 AM during the Day, while the lowest point, 21, was recorded at 2 AM during the Night between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chaahoncha, Soka, Saitama, Japan
JulAug
08th - 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 - 05th05th - 06th06th
Day
Night
8th Jul 2026244 AMAQI
8th Jul 2026285 AMAQI
8th Jul 2026266 AMAQI
8th Jul 2026257 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026269 AMAQI
8th Jul 20262210 AMAQI
8th Jul 20262411 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026222 PMAQI
8th Jul 2026243 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026215 PMAQI
8th Jul 2026226 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026149 PMAQI
8th Jul 20261410 PMAQI
8th Jul 20261811 PMAQI
9th Jul 20262812 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026283 AMAQI
26°C22/31°C
9th Jul 2026244 AMAQI
9th Jul 2026245 AMAQI
9th Jul 2026246 AMAQI
9th Jul 2026177 AMAQI
9th Jul 2026178 AMAQI
9th Jul 2026229 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262212 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026254 PMAQI
9th Jul 2026265 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026257 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262610 PMAQI
9th Jul 20262411 PMAQI
10th Jul 20262212 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026262 AMAQI
10th Jul 2026163 AMAQI
27°C24/31°C
10th Jul 2026234 AMAQI
10th Jul 2026165 AMAQI
10th Jul 2026166 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262411 AMAQI
10th Jul 20262812 PMAQI
10th Jul 2026221 PMAQI
10th Jul 2026232 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026277 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026189 PMAQI
10th Jul 20262010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263012 AMAQI
11th Jul 2026201 AMAQI
11th Jul 2026322 AMAQI
11th Jul 2026183 AMAQI
28°C24/32°C
11th Jul 2026184 AMAQI
11th Jul 2026225 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026207 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263010 AMAQI
11th Jul 20262811 AMAQI
11th Jul 20262712 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026258 PMAQI
11th Jul 2026119 PMAQI
11th Jul 20262210 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20262912 AMAQI
12th Jul 2026301 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026193 AMAQI
27°C25/31°C
12th Jul 2026254 AMAQI
12th Jul 2026305 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262312 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026286 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20263012 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026322 AMAQI
13th Jul 2026303 AMAQI
26°C25/29°C
13th Jul 2026284 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026277 AMAQI
13th Jul 2026278 AMAQI
13th Jul 2026299 AMAQI
13th Jul 20263010 AMAQI
13th Jul 20263011 AMAQI
13th Jul 20262712 PMAQI
13th Jul 2026241 PMAQI
13th Jul 2026242 PMAQI
13th Jul 2026263 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026315 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026678 PMAQI
13th Jul 2026539 PMAQI
13th Jul 20265010 PMAQI
13th Jul 20265511 PMAQI
14th Jul 20265412 AMAQI
14th Jul 2026321 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026333 AMAQI
28°C26/30°C
14th Jul 2026304 AMAQI
14th Jul 2026315 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026337 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026221 PMAQI
14th Jul 2026232 PMAQI
14th Jul 2026583 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026825 PMAQI
14th Jul 2026676 PMAQI
14th Jul 2026607 PMAQI
14th Jul 2026488 PMAQI
14th Jul 2026409 PMAQI
14th Jul 20264610 PMAQI
14th Jul 20264211 PMAQI
15th Jul 20264412 AMAQI
15th Jul 2026331 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026203 AMAQI
29°C25/33°C
15th Jul 2026384 AMAQI
15th Jul 2026485 AMAQI
15th Jul 2026406 AMAQI
15th Jul 2026487 AMAQI
15th Jul 2026338 AMAQI
15th Jul 2026389 AMAQI
15th Jul 20263610 AMAQI
15th Jul 20265511 AMAQI
15th Jul 20265412 PMAQI
15th Jul 2026581 PMAQI
15th Jul 2026572 PMAQI
15th Jul 2026623 PMAQI
15th Jul 2026544 PMAQI
15th Jul 2026575 PMAQI
15th Jul 2026606 PMAQI
15th Jul 2026557 PMAQI
15th Jul 2026518 PMAQI
15th Jul 2026599 PMAQI
15th Jul 20265210 PMAQI
15th Jul 20264911 PMAQI
16th Jul 20264612 AMAQI
16th Jul 2026421 AMAQI
16th Jul 2026482 AMAQI
16th Jul 2026303 AMAQI
30°C27/34°C
16th Jul 2026644 AMAQI
16th Jul 2026715 AMAQI
16th Jul 2026666 AMAQI
16th Jul 2026667 AMAQI
16th Jul 2026718 AMAQI
16th Jul 2026679 AMAQI
16th Jul 20267110 AMAQI
16th Jul 20266711 AMAQI
16th Jul 20266912 PMAQI
16th Jul 2026741 PMAQI
16th Jul 2026882 PMAQI
16th Jul 2026843 PMAQI
16th Jul 2026834 PMAQI
16th Jul 2026835 PMAQI
16th Jul 2026866 PMAQI
16th Jul 2026727 PMAQI
16th Jul 2026648 PMAQI
16th Jul 2026669 PMAQI
16th Jul 20268310 PMAQI
16th Jul 20267411 PMAQI
17th Jul 20266212 AMAQI
17th Jul 2026531 AMAQI
17th Jul 2026492 AMAQI
17th Jul 2026443 AMAQI
30°C27/36°C
17th Jul 2026404 AMAQI
17th Jul 2026365 AMAQI
17th Jul 2026336 AMAQI
17th Jul 2026447 AMAQI
17th Jul 2026508 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20265810 AMAQI
17th Jul 20266011 AMAQI
17th Jul 20266712 PMAQI
17th Jul 2026621 PMAQI
17th Jul 2026452 PMAQI
17th Jul 2026313 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026446 PMAQI
17th Jul 2026487 PMAQI
17th Jul 2026578 PMAQI
17th Jul 2026579 PMAQI
17th Jul 20265510 PMAQI
17th Jul 20265611 PMAQI
18th Jul 20264612 AMAQI
18th Jul 2026311 AMAQI
18th Jul 2026272 AMAQI
18th Jul 2026253 AMAQI
29°C27/32°C
18th Jul 2026334 AMAQI
18th Jul 2026335 AMAQI
18th Jul 2026216 AMAQI
18th Jul 2026257 AMAQI
18th Jul 2026178 AMAQI
18th Jul 2026129 AMAQI
18th Jul 20262310 AMAQI
18th Jul 20262511 AMAQI
18th Jul 20262112 PMAQI
18th Jul 2026231 PMAQI
18th Jul 2026192 PMAQI
18th Jul 2026103 PMAQI
18th Jul 2026144 PMAQI
18th Jul 2026125 PMAQI
18th Jul 2026186 PMAQI
18th Jul 2026187 PMAQI
18th Jul 2026108 PMAQI
18th Jul 2026129 PMAQI
18th Jul 20261410 PMAQI
18th Jul 20261411 PMAQI
19th Jul 20261012 AMAQI
19th Jul 202681 AMAQI
19th Jul 202682 AMAQI
19th Jul 202683 AMAQI
28°C26/31°C
19th Jul 202684 AMAQI
19th Jul 202695 AMAQI
19th Jul 2026106 AMAQI
19th Jul 202687 AMAQI
19th Jul 2026108 AMAQI
19th Jul 2026129 AMAQI
19th Jul 20261210 AMAQI
19th Jul 20261711 AMAQI
19th Jul 20261912 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026253 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026297 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20262710 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20263312 AMAQI
20th Jul 2026311 AMAQI
20th Jul 2026402 AMAQI
20th Jul 2026233 AMAQI
28°C25/32°C
20th Jul 2026214 AMAQI
20th Jul 2026215 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026279 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262111 AMAQI
20th Jul 20262312 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026602 PMAQI
20th Jul 2026563 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026585 PMAQI
20th Jul 2026596 PMAQI
20th Jul 2026577 PMAQI
20th Jul 2026608 PMAQI
20th Jul 2026569 PMAQI
20th Jul 20264910 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20265412 AMAQI
21st Jul 2026551 AMAQI
21st Jul 2026442 AMAQI
21st Jul 2026273 AMAQI
31°C27/36°C
21st Jul 2026274 AMAQI
21st Jul 2026215 AMAQI
21st Jul 2026236 AMAQI
21st Jul 2026277 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026389 AMAQI
21st Jul 20263810 AMAQI
21st Jul 20265011 AMAQI
21st Jul 2026641 PMAQI
21st Jul 2026692 PMAQI
21st Jul 2026943 PMAQI
21st Jul 2026744 PMAQI
21st Jul 2026575 PMAQI
21st Jul 2026566 PMAQI
21st Jul 2026917 PMAQI
21st Jul 2026578 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265210 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265712 AMAQI
22nd Jul 2026571 AMAQI
22nd Jul 2026592 AMAQI
22nd Jul 2026603 AMAQI
32°C28/36°C
22nd Jul 2026664 AMAQI
22nd Jul 2026685 AMAQI
22nd Jul 2026646 AMAQI
22nd Jul 2026657 AMAQI
22nd Jul 2026598 AMAQI
22nd Jul 2026599 AMAQI
22nd Jul 20265910 AMAQI
22nd Jul 20266911 AMAQI
22nd Jul 20267412 PMAQI
22nd Jul 2026881 PMAQI
22nd Jul 2026902 PMAQI
22nd Jul 2026883 PMAQI
22nd Jul 2026874 PMAQI
22nd Jul 2026805 PMAQI
22nd Jul 2026786 PMAQI
22nd Jul 2026817 PMAQI
22nd Jul 2026748 PMAQI
22nd Jul 2026729 PMAQI
22nd Jul 20267510 PMAQI
22nd Jul 20267311 PMAQI
23rd Jul 20267412 AMAQI
23rd Jul 2026831 AMAQI
23rd Jul 2026762 AMAQI
23rd Jul 2026723 AMAQI
32°C28/36°C
23rd Jul 2026624 AMAQI
23rd Jul 2026645 AMAQI
23rd Jul 2026666 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026578 AMAQI
23rd Jul 2026669 AMAQI
23rd Jul 20266410 AMAQI
23rd Jul 20266711 AMAQI
23rd Jul 20266912 PMAQI
23rd Jul 2026671 PMAQI
23rd Jul 2026742 PMAQI
23rd Jul 2026853 PMAQI
23rd Jul 2026734 PMAQI
23rd Jul 2026765 PMAQI
23rd Jul 2026696 PMAQI
23rd Jul 2026527 PMAQI
23rd Jul 2026408 PMAQI
23rd Jul 2026329 PMAQI
23rd Jul 20263410 PMAQI
23rd Jul 20263411 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026141 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026253 AMAQI
32°C29/38°C
24th Jul 2026234 AMAQI
24th Jul 2026235 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026278 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20263110 AMAQI
24th Jul 20264611 AMAQI
24th Jul 20265512 PMAQI
24th Jul 2026621 PMAQI
24th Jul 2026742 PMAQI
24th Jul 2026763 PMAQI
24th Jul 2026834 PMAQI
24th Jul 2026695 PMAQI
24th Jul 2026736 PMAQI
24th Jul 2026747 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026469 PMAQI
24th Jul 20263110 PMAQI
24th Jul 20263111 PMAQI
25th Jul 20263412 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026313 AMAQI
30°C27/34°C
25th Jul 2026274 AMAQI
25th Jul 2026295 AMAQI
25th Jul 2026276 AMAQI
25th Jul 2026197 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20262710 AMAQI
25th Jul 20263411 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026441 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026463 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026146 PMAQI
25th Jul 2026107 PMAQI
25th Jul 202698 PMAQI
25th Jul 202699 PMAQI
25th Jul 20261010 PMAQI
25th Jul 20261211 PMAQI
26th Jul 20261212 AMAQI
26th Jul 2026121 AMAQI
26th Jul 2026102 AMAQI
26th Jul 2026103 AMAQI
29°C25/35°C
26th Jul 2026124 AMAQI
26th Jul 2026125 AMAQI
26th Jul 2026126 AMAQI
26th Jul 2026127 AMAQI
26th Jul 202688 AMAQI
26th Jul 2026179 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262111 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026482 PMAQI
26th Jul 2026513 PMAQI
26th Jul 2026334 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026316 PMAQI
26th Jul 2026407 PMAQI
26th Jul 2026368 PMAQI
26th Jul 2026319 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026381 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
28°C25/32°C
27th Jul 2026254 AMAQI
27th Jul 2026235 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026311 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026253 AMAQI
27°C24/30°C
28th Jul 2026254 AMAQI
28th Jul 2026295 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262410 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026581 PMAQI
28th Jul 2026592 PMAQI
28th Jul 2026583 PMAQI
28th Jul 2026514 PMAQI
28th Jul 2026315 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20265512 AMAQI
29th Jul 2026531 AMAQI
29th Jul 2026502 AMAQI
29th Jul 2026363 AMAQI
27°C24/31°C
29th Jul 2026564 AMAQI
29th Jul 2026515 AMAQI
29th Jul 2026486 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20263310 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20263112 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026272 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026211 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026253 AMAQI
30°C25/36°C
30th Jul 2026214 AMAQI
30th Jul 2026215 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026532 PMAQI
30th Jul 2026513 PMAQI
30th Jul 2026544 PMAQI
30th Jul 2026555 PMAQI
30th Jul 2026666 PMAQI
30th Jul 2026567 PMAQI
30th Jul 2026658 PMAQI
30th Jul 2026509 PMAQI
30th Jul 20263410 PMAQI
30th Jul 20264811 PMAQI
31st Jul 20264212 AMAQI
31st Jul 2026511 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026383 AMAQI
32°C28/36°C
31st Jul 2026384 AMAQI
31st Jul 2026335 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026447 AMAQI
31st Jul 2026408 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264810 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20265212 PMAQI
31st Jul 2026501 PMAQI
31st Jul 2026512 PMAQI
31st Jul 2026493 PMAQI
31st Jul 2026524 PMAQI
31st Jul 2026505 PMAQI
31st Jul 2026536 PMAQI
31st Jul 2026537 PMAQI
31st Jul 2026638 PMAQI
31st Jul 2026559 PMAQI
31st Jul 20265010 PMAQI
31st Jul 20264811 PMAQI
1st Aug 20265112 AMAQI
1st Aug 2026511 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026383 AMAQI
31°C29/36°C
1st Aug 2026554 AMAQI
1st Aug 2026585 AMAQI
1st Aug 2026586 AMAQI
1st Aug 2026587 AMAQI
1st Aug 2026588 AMAQI
1st Aug 2026549 AMAQI
1st Aug 20265110 AMAQI
1st Aug 20266311 AMAQI
1st Aug 20265912 PMAQI
1st Aug 2026651 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026573 PMAQI
1st Aug 2026624 PMAQI
1st Aug 2026625 PMAQI
1st Aug 2026586 PMAQI
1st Aug 2026577 PMAQI
1st Aug 2026588 PMAQI
1st Aug 2026669 PMAQI
1st Aug 20266610 PMAQI
1st Aug 20266811 PMAQI
2nd Aug 20266612 AMAQI
2nd Aug 2026701 AMAQI
2nd Aug 2026672 AMAQI
2nd Aug 2026553 AMAQI
32°C27/37°C
2nd Aug 2026694 AMAQI
2nd Aug 2026665 AMAQI
2nd Aug 2026646 AMAQI
2nd Aug 2026627 AMAQI
2nd Aug 2026558 AMAQI
2nd Aug 2026569 AMAQI
2nd Aug 20265410 AMAQI
2nd Aug 20265711 AMAQI
2nd Aug 20265912 PMAQI
2nd Aug 2026531 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026424 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 202689 PMAQI
2nd Aug 2026810 PMAQI
2nd Aug 20261211 PMAQI
3rd Aug 20261212 AMAQI
3rd Aug 2026121 AMAQI
3rd Aug 202682 AMAQI
3rd Aug 2026123 AMAQI
30°C25/35°C
3rd Aug 2026124 AMAQI
3rd Aug 202685 AMAQI
3rd Aug 2026126 AMAQI
3rd Aug 2026107 AMAQI
3rd Aug 2026128 AMAQI
3rd Aug 2026199 AMAQI
3rd Aug 20261910 AMAQI
3rd Aug 20262111 AMAQI
3rd Aug 20262312 PMAQI
3rd Aug 2026231 PMAQI
3rd Aug 2026272 PMAQI
3rd Aug 2026173 PMAQI
3rd Aug 2026294 PMAQI
3rd Aug 2026185 PMAQI
3rd Aug 2026256 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20262510 PMAQI
3rd Aug 20262111 PMAQI
4th Aug 20262112 AMAQI
4th Aug 2026211 AMAQI
4th Aug 2026252 AMAQI
4th Aug 2026233 AMAQI
25°C24/27°C
4th Aug 2026254 AMAQI
4th Aug 2026235 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026217 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262711 AMAQI
4th Aug 20262912 PMAQI
4th Aug 2026421 PMAQI
4th Aug 2026542 PMAQI
4th Aug 2026493 PMAQI
4th Aug 2026464 PMAQI
4th Aug 2026525 PMAQI
4th Aug 2026506 PMAQI
4th Aug 2026507 PMAQI
4th Aug 2026448 PMAQI
4th Aug 2026559 PMAQI
4th Aug 20264410 PMAQI
4th Aug 20264811 PMAQI
5th Aug 20264612 AMAQI
5th Aug 2026481 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026253 AMAQI
26°C22/30°C
5th Aug 2026234 AMAQI
5th Aug 2026215 AMAQI
5th Aug 2026236 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262110 AMAQI
5th Aug 20265211 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026273 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026218 PMAQI
5th Aug 2026219 PMAQI
5th Aug 20262110 PMAQI
5th Aug 20262111 PMAQI
6th Aug 20262112 AMAQI
6th Aug 2026231 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026303 AMAQI
27°C23/31°C
6th Aug 2026294 AMAQI
4 AM6th Aug 2026235 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026257 AMAQI
6th Aug 2026218 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262311 AMAQI
11 AM6th Aug 20262312 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026256 PMAQI
6 PM6th Aug 2026297 PMAQI
6th Aug 2026338 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
11 PM3 AM
29°C26/34°C
Day time
Avg. Highest Time
2 PM - 3 PM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
8 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 3 PM (Avg. 45), while the lowest AQI was between 8 AM to 8 AM (Avg. 31).
Night time
Avg. Highest Time
7 PM
41AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
29AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 41), while the lowest AQI was between 3 AM to 3 AM (Avg. 29).
2026 Days Vs Air Quality
Chaahoncha, Soka, Saitama, Japan
2026
85%
185
15%
33
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Good
185 DaysModerate
33 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 218 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
Chaahoncha, Soka, Saitama, 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
17AQI (US)
17AQI (US)
2nd January 2026
17AQI (US)
17AQI (US)
3rd January 2026
15AQI (US)
15AQI (US)
4th January 2026
21AQI (US)
21AQI (US)
5th January 2026
52AQI (US)
52AQI (US)
6th January 2026
20AQI (US)
20AQI (US)
7th January 2026
34AQI (US)
34AQI (US)
8th January 2026
43AQI (US)
43AQI (US)
9th January 2026
13AQI (US)
13AQI (US)
10th January 2026
36AQI (US)
36AQI (US)
11th January 2026
30AQI (US)
30AQI (US)
12th January 2026
16AQI (US)
16AQI (US)
13th January 2026
39AQI (US)
39AQI (US)
14th January 2026
17AQI (US)
17AQI (US)
15th January 2026
37AQI (US)
37AQI (US)
16th January 2026
54AQI (US)
54AQI (US)
17th January 2026
52AQI (US)
52AQI (US)
18th January 2026
25AQI (US)
25AQI (US)
19th January 2026
46AQI (US)
46AQI (US)
20th January 2026
52AQI (US)
52AQI (US)
21st January 2026
11AQI (US)
11AQI (US)
22nd January 2026
22AQI (US)
22AQI (US)
23rd January 2026
40AQI (US)
40AQI (US)
24th January 2026
42AQI (US)
42AQI (US)
25th January 2026
44AQI (US)
44AQI (US)
26th January 2026
22AQI (US)
22AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
19AQI (US)
19AQI (US)
29th January 2026
20AQI (US)
20AQI (US)
30th January 2026
38AQI (US)
38AQI (US)
31st January 2026
38AQI (US)
38AQI (US)
1st February 2026
40AQI (US)
40AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
28AQI (US)
28AQI (US)
4th February 2026
41AQI (US)
41AQI (US)
5th February 2026
66AQI (US)
66AQI (US)
6th February 2026
61AQI (US)
61AQI (US)
7th February 2026
13AQI (US)
13AQI (US)
8th February 2026
15AQI (US)
15AQI (US)
9th February 2026
35AQI (US)
35AQI (US)
10th February 2026
43AQI (US)
43AQI (US)
11th February 2026
56AQI (US)
56AQI (US)
12th February 2026
30AQI (US)
30AQI (US)
13th February 2026
49AQI (US)
49AQI (US)
14th February 2026
64AQI (US)
64AQI (US)
15th February 2026
72AQI (US)
72AQI (US)
16th February 2026
52AQI (US)
52AQI (US)
17th February 2026
20AQI (US)
20AQI (US)
18th February 2026
41AQI (US)
41AQI (US)
19th February 2026
15AQI (US)
15AQI (US)
20th February 2026
26AQI (US)
26AQI (US)
21st February 2026
49AQI (US)
49AQI (US)
22nd February 2026
44AQI (US)
44AQI (US)
23rd February 2026
42AQI (US)
42AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
36AQI (US)
36AQI (US)
26th February 2026
14AQI (US)
14AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
29AQI (US)
29AQI (US)
1st March 2026
21AQI (US)
21AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
45AQI (US)
45AQI (US)
4th March 2026
41AQI (US)
41AQI (US)
5th March 2026
18AQI (US)
18AQI (US)
6th March 2026
24AQI (US)
24AQI (US)
7th March 2026
41AQI (US)
41AQI (US)
8th March 2026
34AQI (US)
34AQI (US)
9th March 2026
43AQI (US)
43AQI (US)
10th March 2026
56AQI (US)
56AQI (US)
11th March 2026
57AQI (US)
57AQI (US)
12th March 2026
63AQI (US)
63AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
55AQI (US)
55AQI (US)
16th March 2026
48AQI (US)
48AQI (US)
17th March 2026
48AQI (US)
48AQI (US)
18th March 2026
49AQI (US)
49AQI (US)
19th March 2026
39AQI (US)
39AQI (US)
20th March 2026
29AQI (US)
29AQI (US)
21st March 2026
56AQI (US)
56AQI (US)
22nd March 2026
48AQI (US)
48AQI (US)
23rd March 2026
50AQI (US)
50AQI (US)
24th March 2026
49AQI (US)
49AQI (US)
25th March 2026
65AQI (US)
65AQI (US)
26th March 2026
33AQI (US)
33AQI (US)
27th March 2026
26AQI (US)
26AQI (US)
28th March 2026
42AQI (US)
42AQI (US)
29th March 2026
51AQI (US)
51AQI (US)
30th March 2026
57AQI (US)
57AQI (US)
31st March 2026
24AQI (US)
24AQI (US)
1st April 2026
25AQI (US)
25AQI (US)
2nd April 2026
33AQI (US)
33AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
46AQI (US)
46AQI (US)
5th April 2026
38AQI (US)
38AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
32AQI (US)
32AQI (US)
9th April 2026
33AQI (US)
33AQI (US)
10th April 2026
41AQI (US)
41AQI (US)
11th April 2026
50AQI (US)
50AQI (US)
12th April 2026
34AQI (US)
34AQI (US)
13th April 2026
42AQI (US)
42AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
39AQI (US)
39AQI (US)
16th April 2026
32AQI (US)
32AQI (US)
17th April 2026
34AQI (US)
34AQI (US)
18th April 2026
36AQI (US)
36AQI (US)
19th April 2026
38AQI (US)
38AQI (US)
20th April 2026
35AQI (US)
35AQI (US)
21st April 2026
37AQI (US)
37AQI (US)
22nd April 2026
47AQI (US)
47AQI (US)
23rd April 2026
39AQI (US)
39AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
52AQI (US)
52AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
37AQI (US)
37AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
49AQI (US)
49AQI (US)
3rd May 2026
51AQI (US)
51AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
21AQI (US)
21AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
30AQI (US)
30AQI (US)
8th May 2026
25AQI (US)
25AQI (US)
9th May 2026
26AQI (US)
26AQI (US)
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
33AQI (US)
33AQI (US)
13th May 2026
39AQI (US)
39AQI (US)
14th May 2026
33AQI (US)
33AQI (US)
15th May 2026
35AQI (US)
35AQI (US)
16th May 2026
85AQI (US)
85AQI (US)
17th May 2026
68AQI (US)
68AQI (US)
18th May 2026
53AQI (US)
53AQI (US)
19th May 2026
49AQI (US)
49AQI (US)
20th May 2026
62AQI (US)
62AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
59AQI (US)
59AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
48AQI (US)
48AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
25AQI (US)
25AQI (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
26AQI (US)
26AQI (US)
1st June 2026
29AQI (US)
29AQI (US)
2nd June 2026
22AQI (US)
22AQI (US)
3rd June 2026
15AQI (US)
15AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
20AQI (US)
20AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
23AQI (US)
23AQI (US)
13th June 2026
38AQI (US)
38AQI (US)
14th June 2026
45AQI (US)
45AQI (US)
15th June 2026
13AQI (US)
13AQI (US)
16th June 2026
22AQI (US)
22AQI (US)
17th June 2026
23AQI (US)
23AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
25AQI (US)
25AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
19AQI (US)
19AQI (US)
23rd June 2026
21AQI (US)
21AQI (US)
24th June 2026
22AQI (US)
22AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
29AQI (US)
29AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
26AQI (US)
26AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
24AQI (US)
24AQI (US)
1st July 2026
29AQI (US)
29AQI (US)
2nd July 2026
18AQI (US)
18AQI (US)
3rd July 2026
16AQI (US)
16AQI (US)
4th July 2026
37AQI (US)
37AQI (US)
5th July 2026
20AQI (US)
20AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
24AQI (US)
24AQI (US)
11th July 2026
25AQI (US)
25AQI (US)
12th July 2026
27AQI (US)
27AQI (US)
13th July 2026
33AQI (US)
33AQI (US)
14th July 2026
39AQI (US)
39AQI (US)
15th July 2026
47AQI (US)
47AQI (US)
16th July 2026
68AQI (US)
68AQI (US)
17th July 2026
49AQI (US)
49AQI (US)
18th July 2026
21AQI (US)
21AQI (US)
19th July 2026
18AQI (US)
18AQI (US)
20th July 2026
38AQI (US)
38AQI (US)
21st July 2026
50AQI (US)
50AQI (US)
22nd July 2026
71AQI (US)
71AQI (US)
23rd July 2026
63AQI (US)
63AQI (US)
24th July 2026
44AQI (US)
44AQI (US)
25th July 2026
28AQI (US)
28AQI (US)
26th July 2026
24AQI (US)
24AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
33AQI (US)
33AQI (US)
29th July 2026
34AQI (US)
34AQI (US)
30th July 2026
37AQI (US)
37AQI (US)
31st July 2026
47AQI (US)
47AQI (US)
1st August 2026
58AQI (US)
58AQI (US)
2nd August 2026
48AQI (US)
48AQI (US)
3rd August 2026
18AQI (US)
18AQI (US)
4th August 2026
35AQI (US)
35AQI (US)
5th August 2026
27AQI (US)
27AQI (US)
6th August 2026
24AQI (US)
24AQI (US)
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
31AQI (US)
40AQI (US)
43AQI (US)
38AQI (US)
41AQI (US)
24AQI (US)
34AQI (US)
35AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
27
4
22
6
22
9
29
1
22
9
30
28
3
5
1
185
33
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202536AQI (US)
31
28
28
3
30
31
30
25
6
20
11
29
1
20
11
18
12
15
16
305
60
Highest AQI (US) recorded in
December50AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202332AQI (US)
30
1
27
1
26
5
22
8
28
3
29
1
30
1
31
30
31
27
2
31
342
22
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202233AQI (US)
31
19
2
29
2
16
1
26
5
20
10
19
2
1
29
29
2
29
1
30
1
278
26
Highest AQI (US) recorded in
June45AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202129AQI (US)
30
1
28
29
2
30
27
4
25
5
29
2
26
5
28
2
30
1
26
4
22
9
330
35
Highest AQI (US) recorded in
June40AQI (US)
Lowest AQI (US) recorded in
February14AQI (US)
202017AQI (US)
13
21
18
30
31
31
19
31
29
1
31
254
1
Highest AQI (US) recorded in
March23AQI (US)
Lowest AQI (US) recorded in
September12AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2026(Avg.)
36AQI (US)Least Polluted Year Recorded
2020(Avg.)
17AQI (US)Chaahoncha's annual 2026 AQI (US) (36) shows an average percentage change of 31.4% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (29), 2022 (33), 2023 (32), 2025 (36).
