Chuo, Yashio, 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
Chuo, Yashio, Saitama, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
16th Aug 2023
59AQILowest AQI recorded on
22nd Aug 2023
16AQISame Day Analysis (2nd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 47 of Good air quality on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Chuo, Yashio, Saitama, Japan
AQI
Day
Night
.
4 AM1st Aug 2026
6 PM
3 AM2nd Aug 2026
Day time
Avg. Highest Time
1PM1st Aug
59AQI
Avg. Lowest Time
10AM1st Aug
48AQI
Night time
Avg. Highest Time
12AM2nd Aug
71AQI
Avg. Lowest Time
7PM1st Aug
57AQI
In the last 24 hours,
Chuo's AQI reached its highest point of 71 at 12 AM during the Night, while the lowest point, 48, was recorded at 10 AM during the Day between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chuo, Yashio, Saitama, Japan
JulAug
04th - 05th05th - 06th06th - 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
Day
Night
4th Jul 2026274 AMAQI
4th Jul 2026265 AMAQI
4th Jul 2026286 AMAQI
4th Jul 2026487 AMAQI
4th Jul 2026708 AMAQI
4th Jul 2026729 AMAQI
4th Jul 20267010 AMAQI
4th Jul 20268711 AMAQI
4th Jul 20267512 PMAQI
4th Jul 2026631 PMAQI
4th Jul 2026422 PMAQI
4th Jul 2026463 PMAQI
4th Jul 2026384 PMAQI
4th Jul 2026215 PMAQI
4th Jul 2026296 PMAQI
4th Jul 2026337 PMAQI
4th Jul 2026298 PMAQI
4th Jul 2026259 PMAQI
4th Jul 20261710 PMAQI
4th Jul 20261711 PMAQI
5th Jul 20261712 AMAQI
5th Jul 2026191 AMAQI
5th Jul 2026212 AMAQI
5th Jul 2026193 AMAQI
24°C22/26°C
5th Jul 2026214 AMAQI
5th Jul 2026175 AMAQI
5th Jul 2026216 AMAQI
5th Jul 2026277 AMAQI
5th Jul 2026178 AMAQI
5th Jul 2026179 AMAQI
5th Jul 20261210 AMAQI
5th Jul 20261211 AMAQI
5th Jul 20262912 PMAQI
5th Jul 2026211 PMAQI
5th Jul 2026312 PMAQI
5th Jul 2026313 PMAQI
5th Jul 2026294 PMAQI
5th Jul 2026275 PMAQI
5th Jul 2026296 PMAQI
5th Jul 2026257 PMAQI
5th Jul 2026338 PMAQI
5th Jul 2026389 PMAQI
5th Jul 20262910 PMAQI
5th Jul 20263111 PMAQI
6th Jul 20262912 AMAQI
6th Jul 2026271 AMAQI
6th Jul 2026362 AMAQI
6th Jul 2026293 AMAQI
24°C22/27°C
6th Jul 2026364 AMAQI
6th Jul 2026365 AMAQI
6th Jul 2026336 AMAQI
6th Jul 2026317 AMAQI
6th Jul 2026338 AMAQI
6th Jul 2026339 AMAQI
6th Jul 20263310 AMAQI
6th Jul 20262711 AMAQI
6th Jul 20262012 PMAQI
6th Jul 2026181 PMAQI
6th Jul 2026212 PMAQI
6th Jul 2026233 PMAQI
6th Jul 2026264 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026196 PMAQI
6th Jul 2026227 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026249 PMAQI
6th Jul 20262610 PMAQI
6th Jul 20262711 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026281 AMAQI
7th Jul 2026272 AMAQI
7th Jul 2026303 AMAQI
23°C22/24°C
7th Jul 2026294 AMAQI
7th Jul 2026315 AMAQI
7th Jul 2026286 AMAQI
7th Jul 2026287 AMAQI
7th Jul 2026308 AMAQI
7th Jul 2026249 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026263 PMAQI
7th Jul 2026244 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026277 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262411 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026281 AMAQI
8th Jul 2026292 AMAQI
8th Jul 2026283 AMAQI
25°C21/30°C
8th Jul 2026254 AMAQI
8th Jul 2026265 AMAQI
8th Jul 2026276 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20261510 AMAQI
8th Jul 20262211 AMAQI
8th Jul 20262212 PMAQI
8th Jul 2026221 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026236 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026208 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20261710 PMAQI
8th Jul 20262411 PMAQI
9th Jul 20262612 AMAQI
9th Jul 2026281 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026263 AMAQI
26°C22/31°C
9th Jul 2026254 AMAQI
9th Jul 2026255 AMAQI
9th Jul 2026266 AMAQI
9th Jul 2026267 AMAQI
9th Jul 2026128 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262012 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026232 PMAQI
9th Jul 2026273 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026275 PMAQI
9th Jul 2026276 PMAQI
9th Jul 2026247 PMAQI
9th Jul 2026248 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262310 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026251 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026163 AMAQI
27°C24/31°C
10th Jul 2026264 AMAQI
10th Jul 2026175 AMAQI
10th Jul 2026186 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026279 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20262712 PMAQI
10th Jul 2026221 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026278 PMAQI
10th Jul 2026199 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20262912 AMAQI
11th Jul 202681 AMAQI
11th Jul 2026182 AMAQI
11th Jul 2026303 AMAQI
28°C24/32°C
11th Jul 2026284 AMAQI
11th Jul 2026285 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026209 AMAQI
11th Jul 20262910 AMAQI
11th Jul 20262411 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026231 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026299 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20262612 AMAQI
12th Jul 2026311 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026303 AMAQI
28°C25/31°C
12th Jul 2026284 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20262810 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262212 PMAQI
12th Jul 2026231 PMAQI
12th Jul 2026222 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026284 PMAQI
12th Jul 2026285 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026317 PMAQI
12th Jul 2026278 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20263110 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20262812 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026302 AMAQI
13th Jul 2026293 AMAQI
26°C25/29°C
13th Jul 2026304 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026326 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263210 AMAQI
13th Jul 20263011 AMAQI
13th Jul 20262812 PMAQI
13th Jul 2026241 PMAQI
13th Jul 2026292 PMAQI
13th Jul 2026283 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263010 PMAQI
13th Jul 20263211 PMAQI
14th Jul 20263312 AMAQI
14th Jul 2026331 AMAQI
14th Jul 2026322 AMAQI
14th Jul 2026343 AMAQI
28°C26/31°C
14th Jul 2026304 AMAQI
14th Jul 2026335 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026308 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026533 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026795 PMAQI
14th Jul 2026666 PMAQI
14th Jul 2026587 PMAQI
14th Jul 2026488 PMAQI
14th Jul 2026429 PMAQI
14th Jul 20264610 PMAQI
14th Jul 20264211 PMAQI
15th Jul 20264212 AMAQI
15th Jul 2026361 AMAQI
15th Jul 2026362 AMAQI
15th Jul 2026223 AMAQI
29°C25/33°C
15th Jul 2026364 AMAQI
15th Jul 2026465 AMAQI
15th Jul 2026386 AMAQI
15th Jul 2026467 AMAQI
15th Jul 2026368 AMAQI
15th Jul 2026349 AMAQI
15th Jul 20263810 AMAQI
15th Jul 20265611 AMAQI
15th Jul 20265312 PMAQI
15th Jul 2026571 PMAQI
15th Jul 2026562 PMAQI
15th Jul 2026583 PMAQI
15th Jul 2026564 PMAQI
15th Jul 2026575 PMAQI
15th Jul 2026636 PMAQI
15th Jul 2026557 PMAQI
15th Jul 2026488 PMAQI
15th Jul 2026599 PMAQI
15th Jul 20265310 PMAQI
15th Jul 20265011 PMAQI
16th Jul 20264612 AMAQI
16th Jul 2026441 AMAQI
16th Jul 2026462 AMAQI
16th Jul 2026323 AMAQI
30°C27/34°C
16th Jul 2026674 AMAQI
16th Jul 2026695 AMAQI
16th Jul 2026686 AMAQI
16th Jul 2026737 AMAQI
16th Jul 2026748 AMAQI
16th Jul 2026679 AMAQI
16th Jul 20266810 AMAQI
16th Jul 20266911 AMAQI
16th Jul 20267012 PMAQI
16th Jul 2026731 PMAQI
16th Jul 2026862 PMAQI
16th Jul 2026813 PMAQI
16th Jul 2026724 PMAQI
16th Jul 2026785 PMAQI
16th Jul 2026766 PMAQI
16th Jul 2026687 PMAQI
16th Jul 2026608 PMAQI
16th Jul 2026729 PMAQI
16th Jul 20267310 PMAQI
16th Jul 20267511 PMAQI
17th Jul 20266012 AMAQI
17th Jul 2026521 AMAQI
17th Jul 2026462 AMAQI
17th Jul 2026403 AMAQI
31°C27/36°C
17th Jul 2026404 AMAQI
17th Jul 2026385 AMAQI
17th Jul 2026366 AMAQI
17th Jul 2026387 AMAQI
17th Jul 2026468 AMAQI
17th Jul 2026539 AMAQI
17th Jul 20265910 AMAQI
17th Jul 20265711 AMAQI
17th Jul 20266612 PMAQI
17th Jul 2026741 PMAQI
17th Jul 2026592 PMAQI
17th Jul 2026573 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026425 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026487 PMAQI
17th Jul 2026538 PMAQI
17th Jul 2026539 PMAQI
17th Jul 20265110 PMAQI
17th Jul 20265311 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026403 AMAQI
29°C27/32°C
18th Jul 2026334 AMAQI
18th Jul 2026315 AMAQI
18th Jul 2026256 AMAQI
18th Jul 2026147 AMAQI
18th Jul 2026128 AMAQI
18th Jul 2026129 AMAQI
18th Jul 20261710 AMAQI
18th Jul 20261711 AMAQI
18th Jul 20261712 PMAQI
18th Jul 2026171 PMAQI
18th Jul 2026192 PMAQI
18th Jul 202683 PMAQI
18th Jul 202684 PMAQI
18th Jul 2026105 PMAQI
18th Jul 2026126 PMAQI
18th Jul 2026107 PMAQI
18th Jul 2026128 PMAQI
18th Jul 2026129 PMAQI
18th Jul 20261210 PMAQI
18th Jul 20261211 PMAQI
19th Jul 20261412 AMAQI
19th Jul 2026121 AMAQI
19th Jul 2026122 AMAQI
19th Jul 2026123 AMAQI
28°C26/31°C
19th Jul 2026104 AMAQI
19th Jul 2026105 AMAQI
19th Jul 2026126 AMAQI
19th Jul 2026127 AMAQI
19th Jul 2026108 AMAQI
19th Jul 202689 AMAQI
19th Jul 2026810 AMAQI
19th Jul 20261211 AMAQI
19th Jul 20261212 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 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026253 AMAQI
28°C25/32°C
20th Jul 2026254 AMAQI
20th Jul 2026235 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026217 AMAQI
20th Jul 2026218 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20263812 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026333 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026365 PMAQI
20th Jul 2026316 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20263112 AMAQI
21st Jul 2026301 AMAQI
21st Jul 2026302 AMAQI
21st Jul 2026303 AMAQI
31°C27/36°C
21st Jul 2026294 AMAQI
21st Jul 2026315 AMAQI
21st Jul 2026326 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026338 AMAQI
21st Jul 2026339 AMAQI
21st Jul 20263810 AMAQI
21st Jul 20264011 AMAQI
21st Jul 2026481 PMAQI
21st Jul 2026482 PMAQI
21st Jul 2026423 PMAQI
21st Jul 2026494 PMAQI
21st Jul 2026545 PMAQI
21st Jul 2026536 PMAQI
21st Jul 2026927 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026489 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20265111 PMAQI
22nd Jul 20265312 AMAQI
22nd Jul 2026541 AMAQI
22nd Jul 2026562 AMAQI
22nd Jul 2026623 AMAQI
32°C28/37°C
22nd Jul 2026624 AMAQI
22nd Jul 2026595 AMAQI
22nd Jul 2026606 AMAQI
22nd Jul 2026597 AMAQI
22nd Jul 2026588 AMAQI
22nd Jul 2026579 AMAQI
22nd Jul 20265610 AMAQI
22nd Jul 20266711 AMAQI
22nd Jul 20267112 PMAQI
22nd Jul 2026731 PMAQI
22nd Jul 2026722 PMAQI
22nd Jul 2026743 PMAQI
22nd Jul 2026704 PMAQI
22nd Jul 2026695 PMAQI
22nd Jul 2026686 PMAQI
22nd Jul 2026727 PMAQI
22nd Jul 2026718 PMAQI
22nd Jul 2026719 PMAQI
22nd Jul 20267010 PMAQI
22nd Jul 20267011 PMAQI
23rd Jul 20268012 AMAQI
23rd Jul 2026741 AMAQI
23rd Jul 2026692 AMAQI
23rd Jul 2026573 AMAQI
32°C28/37°C
23rd Jul 2026504 AMAQI
23rd Jul 2026565 AMAQI
23rd Jul 2026536 AMAQI
23rd Jul 2026527 AMAQI
23rd Jul 2026488 AMAQI
23rd Jul 2026599 AMAQI
23rd Jul 20265910 AMAQI
23rd Jul 20266311 AMAQI
23rd Jul 20267012 PMAQI
23rd Jul 2026691 PMAQI
23rd Jul 2026702 PMAQI
23rd Jul 2026743 PMAQI
23rd Jul 2026734 PMAQI
23rd Jul 2026685 PMAQI
23rd Jul 2026656 PMAQI
23rd Jul 2026557 PMAQI
23rd Jul 2026508 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20263310 PMAQI
23rd Jul 20263111 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026233 AMAQI
32°C29/38°C
24th Jul 2026194 AMAQI
24th Jul 2026195 AMAQI
24th Jul 2026236 AMAQI
24th Jul 2026277 AMAQI
24th Jul 2026218 AMAQI
24th Jul 2026239 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20263111 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026521 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026663 PMAQI
24th Jul 2026584 PMAQI
24th Jul 2026555 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026657 PMAQI
24th Jul 2026528 PMAQI
24th Jul 2026179 PMAQI
24th Jul 20263110 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026171 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026213 AMAQI
30°C27/34°C
25th Jul 2026244 AMAQI
25th Jul 2026215 AMAQI
25th Jul 2026166 AMAQI
25th Jul 2026127 AMAQI
25th Jul 2026178 AMAQI
25th Jul 2026219 AMAQI
25th Jul 20262110 AMAQI
25th Jul 20262911 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026361 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026403 PMAQI
25th Jul 2026364 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026369 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263612 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026333 AMAQI
29°C25/35°C
26th Jul 2026294 AMAQI
26th Jul 2026315 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026258 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262311 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026361 PMAQI
26th Jul 2026382 PMAQI
26th Jul 2026503 PMAQI
26th Jul 2026364 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026337 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026299 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026421 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026293 AMAQI
28°C25/33°C
27th Jul 2026214 AMAQI
27th Jul 2026215 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20262711 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026213 AMAQI
27°C24/30°C
28th Jul 2026214 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026253 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026255 PMAQI
28th Jul 2026256 PMAQI
28th Jul 2026237 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20263310 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20265212 AMAQI
29th Jul 2026531 AMAQI
29th Jul 2026542 AMAQI
29th Jul 2026363 AMAQI
27°C24/31°C
29th Jul 2026544 AMAQI
29th Jul 2026525 AMAQI
29th Jul 2026516 AMAQI
29th Jul 2026447 AMAQI
29th Jul 2026338 AMAQI
29th Jul 2026369 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 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 20262712 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 2026237 AMAQI
30th Jul 2026238 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026311 PMAQI
30th Jul 2026382 PMAQI
30th Jul 2026403 PMAQI
30th Jul 2026494 PMAQI
30th Jul 2026535 PMAQI
30th Jul 2026556 PMAQI
30th Jul 2026587 PMAQI
30th Jul 2026608 PMAQI
30th Jul 2026519 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20265011 PMAQI
31st Jul 20264612 AMAQI
31st Jul 2026441 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026363 AMAQI
32°C28/37°C
31st Jul 2026384 AMAQI
31st Jul 2026365 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026388 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20264211 AMAQI
31st Jul 20264612 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026444 PMAQI
31st Jul 2026425 PMAQI
31st Jul 2026506 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026578 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026501 AMAQI
1st Aug 2026532 AMAQI
1st Aug 2026423 AMAQI
31°C29/36°C
1st Aug 2026534 AMAQI
1st Aug 2026575 AMAQI
1st Aug 2026576 AMAQI
1st Aug 2026567 AMAQI
1st Aug 2026578 AMAQI
1st Aug 2026539 AMAQI
1st Aug 20264810 AMAQI
1st Aug 20265311 AMAQI
1st Aug 20265512 PMAQI
1st Aug 2026591 PMAQI
1st Aug 2026552 PMAQI
1st Aug 2026553 PMAQI
1st Aug 2026554 PMAQI
1st Aug 2026565 PMAQI
1st Aug 2026546 PMAQI
1st Aug 2026577 PMAQI
1st Aug 2026598 PMAQI
1st Aug 2026669 PMAQI
1st Aug 20267010 PMAQI
1st Aug 20267011 PMAQI
2nd Aug 20267112 AMAQI
2nd Aug 2026691 AMAQI
2nd Aug 2026682 AMAQI
2nd Aug 2026603 AMAQI
32°C27/37°C
2nd Aug 2026694 AMAQI
4 AM2nd Aug 2026655 AMAQI
2nd Aug 2026606 AMAQI
2nd Aug 2026597 AMAQI
2nd Aug 2026548 AMAQI
2nd Aug 2026539 AMAQI
2nd Aug 20265510 AMAQI
2nd Aug 20265511 AMAQI
11 AM2nd Aug 20265112 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026382 PMAQI
2nd Aug 2026333 PMAQI
2nd Aug 2026334 PMAQI
2nd Aug 2026275 PMAQI
2nd Aug 2026256 PMAQI
6 PM2nd Aug 2026217 PMAQI
2nd Aug 2026338 PMAQI
2nd Aug 2026339 PMAQI
2nd Aug 20263310 PMAQI
2nd Aug 20262911 PMAQI
11 PM3 AM
30°C25/34°C
Day time
Avg. Highest Time
3 PM
39AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 6 AM
33AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 3 PM (Avg. 39), while the lowest AQI was between 5 AM to 6 AM (Avg. 33).
Night time
Avg. Highest Time
7 PM
39AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM
31AQI
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. 39), while the lowest AQI was between 3 AM to 3 AM (Avg. 31).
2026 Days Vs Air Quality
Chuo, Yashio, Saitama, Japan
2026
86%
185
14%
29
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Good
185 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 214 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
Chuo, Yashio, 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
19AQI (US)
19AQI (US)
2nd January 2026
19AQI (US)
19AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
23AQI (US)
23AQI (US)
5th January 2026
52AQI (US)
52AQI (US)
6th January 2026
21AQI (US)
21AQI (US)
7th January 2026
35AQI (US)
35AQI (US)
8th January 2026
38AQI (US)
38AQI (US)
9th January 2026
15AQI (US)
15AQI (US)
10th January 2026
34AQI (US)
34AQI (US)
11th January 2026
33AQI (US)
33AQI (US)
12th January 2026
22AQI (US)
22AQI (US)
13th January 2026
40AQI (US)
40AQI (US)
14th January 2026
19AQI (US)
19AQI (US)
15th January 2026
33AQI (US)
33AQI (US)
16th January 2026
48AQI (US)
48AQI (US)
17th January 2026
50AQI (US)
50AQI (US)
18th January 2026
19AQI (US)
19AQI (US)
19th January 2026
45AQI (US)
45AQI (US)
20th January 2026
40AQI (US)
40AQI (US)
21st January 2026
12AQI (US)
12AQI (US)
22nd January 2026
22AQI (US)
22AQI (US)
23rd January 2026
39AQI (US)
39AQI (US)
24th January 2026
42AQI (US)
42AQI (US)
25th January 2026
43AQI (US)
43AQI (US)
26th January 2026
26AQI (US)
26AQI (US)
27th January 2026
39AQI (US)
39AQI (US)
28th January 2026
26AQI (US)
26AQI (US)
29th January 2026
22AQI (US)
22AQI (US)
30th January 2026
37AQI (US)
37AQI (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
29AQI (US)
29AQI (US)
4th February 2026
43AQI (US)
43AQI (US)
5th February 2026
65AQI (US)
65AQI (US)
6th February 2026
60AQI (US)
60AQI (US)
7th February 2026
12AQI (US)
12AQI (US)
8th February 2026
12AQI (US)
12AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
42AQI (US)
42AQI (US)
11th February 2026
60AQI (US)
60AQI (US)
12th February 2026
31AQI (US)
31AQI (US)
13th February 2026
49AQI (US)
49AQI (US)
14th February 2026
57AQI (US)
57AQI (US)
15th February 2026
73AQI (US)
73AQI (US)
16th February 2026
55AQI (US)
55AQI (US)
17th February 2026
17AQI (US)
17AQI (US)
18th February 2026
39AQI (US)
39AQI (US)
19th February 2026
28AQI (US)
28AQI (US)
20th February 2026
25AQI (US)
25AQI (US)
21st February 2026
46AQI (US)
46AQI (US)
22nd February 2026
43AQI (US)
43AQI (US)
23rd February 2026
49AQI (US)
49AQI (US)
24th February 2026
38AQI (US)
38AQI (US)
25th February 2026
35AQI (US)
35AQI (US)
26th February 2026
15AQI (US)
15AQI (US)
27th February 2026
42AQI (US)
42AQI (US)
28th February 2026
29AQI (US)
29AQI (US)
1st March 2026
20AQI (US)
20AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
42AQI (US)
42AQI (US)
6th March 2026
24AQI (US)
24AQI (US)
7th March 2026
41AQI (US)
41AQI (US)
8th March 2026
33AQI (US)
33AQI (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
36AQI (US)
36AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
56AQI (US)
56AQI (US)
16th March 2026
48AQI (US)
48AQI (US)
17th March 2026
48AQI (US)
48AQI (US)
18th March 2026
50AQI (US)
50AQI (US)
19th March 2026
37AQI (US)
37AQI (US)
20th March 2026
27AQI (US)
27AQI (US)
21st March 2026
56AQI (US)
56AQI (US)
22nd March 2026
50AQI (US)
50AQI (US)
23rd March 2026
50AQI (US)
50AQI (US)
24th March 2026
49AQI (US)
49AQI (US)
25th March 2026
62AQI (US)
62AQI (US)
26th March 2026
30AQI (US)
30AQI (US)
27th March 2026
24AQI (US)
24AQI (US)
28th March 2026
50AQI (US)
50AQI (US)
29th March 2026
51AQI (US)
51AQI (US)
30th March 2026
59AQI (US)
59AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
24AQI (US)
24AQI (US)
2nd April 2026
34AQI (US)
34AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
46AQI (US)
46AQI (US)
5th April 2026
37AQI (US)
37AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
31AQI (US)
31AQI (US)
9th April 2026
33AQI (US)
33AQI (US)
10th April 2026
42AQI (US)
42AQI (US)
11th April 2026
48AQI (US)
48AQI (US)
12th April 2026
31AQI (US)
31AQI (US)
13th April 2026
41AQI (US)
41AQI (US)
14th April 2026
38AQI (US)
38AQI (US)
15th April 2026
38AQI (US)
38AQI (US)
16th April 2026
33AQI (US)
33AQI (US)
17th April 2026
34AQI (US)
34AQI (US)
18th April 2026
37AQI (US)
37AQI (US)
19th April 2026
37AQI (US)
37AQI (US)
20th April 2026
36AQI (US)
36AQI (US)
21st April 2026
37AQI (US)
37AQI (US)
22nd April 2026
47AQI (US)
47AQI (US)
23rd April 2026
38AQI (US)
38AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
45AQI (US)
45AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
48AQI (US)
48AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
38AQI (US)
38AQI (US)
30th April 2026
36AQI (US)
36AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
49AQI (US)
49AQI (US)
3rd May 2026
50AQI (US)
50AQI (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
29AQI (US)
29AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
33AQI (US)
33AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
33AQI (US)
33AQI (US)
15th May 2026
36AQI (US)
36AQI (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
48AQI (US)
48AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
58AQI (US)
58AQI (US)
22nd May 2026
60AQI (US)
60AQI (US)
23rd May 2026
53AQI (US)
53AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
47AQI (US)
47AQI (US)
26th May 2026
39AQI (US)
39AQI (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
27AQI (US)
27AQI (US)
3rd June 2026
15AQI (US)
15AQI (US)
4th June 2026
22AQI (US)
22AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
23AQI (US)
23AQI (US)
10th June 2026
21AQI (US)
21AQI (US)
11th June 2026
24AQI (US)
24AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
33AQI (US)
33AQI (US)
14th June 2026
45AQI (US)
45AQI (US)
15th June 2026
15AQI (US)
15AQI (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
19AQI (US)
19AQI (US)
22nd June 2026
18AQI (US)
18AQI (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
30AQI (US)
30AQI (US)
27th June 2026
25AQI (US)
25AQI (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
28AQI (US)
28AQI (US)
2nd July 2026
21AQI (US)
21AQI (US)
3rd July 2026
19AQI (US)
19AQI (US)
4th July 2026
41AQI (US)
41AQI (US)
5th July 2026
24AQI (US)
24AQI (US)
6th July 2026
27AQI (US)
27AQI (US)
7th July 2026
26AQI (US)
26AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
25AQI (US)
25AQI (US)
11th July 2026
26AQI (US)
26AQI (US)
12th July 2026
28AQI (US)
28AQI (US)
13th July 2026
30AQI (US)
30AQI (US)
14th July 2026
38AQI (US)
38AQI (US)
15th July 2026
47AQI (US)
47AQI (US)
16th July 2026
67AQI (US)
67AQI (US)
17th July 2026
49AQI (US)
49AQI (US)
18th July 2026
19AQI (US)
19AQI (US)
19th July 2026
17AQI (US)
17AQI (US)
20th July 2026
27AQI (US)
27AQI (US)
21st July 2026
43AQI (US)
43AQI (US)
22nd July 2026
65AQI (US)
65AQI (US)
23rd July 2026
59AQI (US)
59AQI (US)
24th July 2026
35AQI (US)
35AQI (US)
25th July 2026
27AQI (US)
27AQI (US)
26th July 2026
30AQI (US)
30AQI (US)
27th July 2026
24AQI (US)
24AQI (US)
28th July 2026
24AQI (US)
24AQI (US)
29th July 2026
33AQI (US)
33AQI (US)
30th July 2026
34AQI (US)
34AQI (US)
31st July 2026
44AQI (US)
44AQI (US)
1st August 2026
56AQI (US)
56AQI (US)
2nd August 2026
47AQI (US)
47AQI (US)
3rd August 2026
4th August 2026
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
31AQI (US)
40AQI (US)
44AQI (US)
38AQI (US)
41AQI (US)
24AQI (US)
33AQI (US)
52AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
30
1
22
6
22
9
29
1
23
8
30
28
3
1
1
185
29
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202542AQI (US)
27
4
27
1
22
9
24
6
29
2
28
2
25
6
24
7
29
1
11
20
16
14
16
14
1
278
86
1
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
February35AQI (US)
202440AQI (US)
25
6
26
3
23
8
18
12
26
5
27
3
17
14
29
2
21
9
27
4
24
6
30
1
293
73
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202342AQI (US)
22
9
21
7
22
9
18
12
23
8
20
10
21
10
30
1
29
1
27
4
18
11
20
11
271
93
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
August28AQI (US)
202241AQI (US)
23
7
14
7
19
12
19
11
25
6
19
11
20
4
1
28
28
3
20
10
26
5
242
76
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202140AQI (US)
22
9
21
7
22
8
1
27
3
26
5
21
9
28
3
27
4
29
1
27
4
20
10
19
12
289
75
1
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202038AQI (US)
9
4
16
5
18
23
7
31
21
10
19
27
4
17
13
16
15
197
58
Highest AQI (US) recorded in
November46AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
42AQI (US)Least Polluted Year Recorded
2026(Avg.)
36AQI (US)Chuo's annual 2026 AQI (US) (36) shows an average percentage change of -11.004% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (40), 2022 (41), 2023 (42), 2024 (40), 2025 (42).
