Kawaguchi, 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
Kawaguchi, Saitama, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
60AQILowest AQI recorded on
25th Aug 2023
14AQISame Day Analysis (3rd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 20 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2026
Kawaguchi, Saitama, Japan
AQI
Day
Night
.
4 AM2nd Aug 2026
6 PM
3 AM3rd Aug 2026
Day time
Avg. Highest Time
4AM2nd Aug
68AQI
Avg. Lowest Time
6PM2nd Aug
32AQI
Night time
Avg. Highest Time
9PM2nd Aug
37AQI
Avg. Lowest Time
3AM3rd Aug
12AQI
In the last 24 hours,
Kawaguchi's AQI reached its highest point of 68 at 4 AM during the Day, while the lowest point, 12, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kawaguchi, Saitama, Japan
JulAug
05th - 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 - 03rd03rd
Day
Night
5th Jul 2026144 AMAQI
5th Jul 2026185 AMAQI
5th Jul 2026186 AMAQI
5th Jul 2026167 AMAQI
5th Jul 2026138 AMAQI
5th Jul 2026139 AMAQI
5th Jul 20261210 AMAQI
5th Jul 20261211 AMAQI
5th Jul 20262012 PMAQI
5th Jul 2026291 PMAQI
5th Jul 2026302 PMAQI
5th Jul 2026283 PMAQI
5th Jul 2026304 PMAQI
5th Jul 2026265 PMAQI
5th Jul 2026256 PMAQI
5th Jul 2026317 PMAQI
5th Jul 2026358 PMAQI
5th Jul 2026319 PMAQI
5th Jul 20262710 PMAQI
5th Jul 20262711 PMAQI
6th Jul 20262812 AMAQI
6th Jul 2026271 AMAQI
6th Jul 2026342 AMAQI
6th Jul 2026343 AMAQI
24°C22/27°C
6th Jul 2026324 AMAQI
6th Jul 2026305 AMAQI
6th Jul 2026326 AMAQI
6th Jul 2026307 AMAQI
6th Jul 2026278 AMAQI
6th Jul 2026339 AMAQI
6th Jul 20263110 AMAQI
6th Jul 20262811 AMAQI
6th Jul 20262212 PMAQI
6th Jul 2026211 PMAQI
6th Jul 2026222 PMAQI
6th Jul 2026243 PMAQI
6th Jul 2026244 PMAQI
6th Jul 2026195 PMAQI
6th Jul 2026196 PMAQI
6th Jul 2026207 PMAQI
6th Jul 2026258 PMAQI
6th Jul 2026259 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262611 PMAQI
7th Jul 20262712 AMAQI
7th Jul 2026291 AMAQI
7th Jul 2026282 AMAQI
7th Jul 2026293 AMAQI
23°C22/24°C
7th Jul 2026274 AMAQI
7th Jul 2026285 AMAQI
7th Jul 2026296 AMAQI
7th Jul 2026277 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026259 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262311 AMAQI
7th Jul 20262212 PMAQI
7th Jul 2026221 PMAQI
7th Jul 2026242 PMAQI
7th Jul 2026273 PMAQI
7th Jul 2026254 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026266 PMAQI
7th Jul 2026267 PMAQI
7th Jul 2026268 PMAQI
7th Jul 2026269 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262511 PMAQI
8th Jul 20262812 AMAQI
8th Jul 2026291 AMAQI
8th Jul 2026272 AMAQI
8th Jul 2026243 AMAQI
25°C21/30°C
8th Jul 2026264 AMAQI
8th Jul 2026275 AMAQI
8th Jul 2026276 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026278 AMAQI
8th Jul 2026239 AMAQI
8th Jul 20262110 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20262312 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026232 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026235 PMAQI
8th Jul 2026236 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026198 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20262110 PMAQI
8th Jul 20262311 PMAQI
9th Jul 20262512 AMAQI
9th Jul 2026251 AMAQI
9th Jul 2026252 AMAQI
9th Jul 2026193 AMAQI
26°C22/31°C
9th Jul 2026214 AMAQI
9th Jul 2026205 AMAQI
9th Jul 2026146 AMAQI
9th Jul 2026217 AMAQI
9th Jul 2026168 AMAQI
9th Jul 2026149 AMAQI
9th Jul 20261810 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20262112 PMAQI
9th Jul 2026211 PMAQI
9th Jul 2026232 PMAQI
9th Jul 2026253 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026255 PMAQI
9th Jul 2026256 PMAQI
9th Jul 2026267 PMAQI
9th Jul 2026258 PMAQI
9th Jul 2026249 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262611 PMAQI
10th Jul 20262512 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026252 AMAQI
10th Jul 2026173 AMAQI
27°C24/31°C
10th Jul 2026234 AMAQI
10th Jul 2026185 AMAQI
10th Jul 2026246 AMAQI
10th Jul 2026257 AMAQI
10th Jul 2026248 AMAQI
10th Jul 2026219 AMAQI
10th Jul 20262710 AMAQI
10th Jul 20262511 AMAQI
10th Jul 20262712 PMAQI
10th Jul 2026251 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026297 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026289 PMAQI
10th Jul 20262810 PMAQI
10th Jul 20263011 PMAQI
11th Jul 20263112 AMAQI
11th Jul 2026251 AMAQI
11th Jul 2026262 AMAQI
11th Jul 202693 AMAQI
28°C24/32°C
11th Jul 2026194 AMAQI
11th Jul 2026265 AMAQI
11th Jul 2026266 AMAQI
11th Jul 2026277 AMAQI
11th Jul 2026318 AMAQI
11th Jul 2026289 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262711 AMAQI
11th Jul 20262612 PMAQI
11th Jul 2026241 PMAQI
11th Jul 2026232 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026254 PMAQI
11th Jul 2026295 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026248 PMAQI
11th Jul 2026279 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20262911 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026281 AMAQI
12th Jul 2026282 AMAQI
12th Jul 2026233 AMAQI
27°C25/31°C
12th Jul 2026264 AMAQI
12th Jul 2026285 AMAQI
12th Jul 2026276 AMAQI
12th Jul 2026287 AMAQI
12th Jul 2026288 AMAQI
12th Jul 2026289 AMAQI
12th Jul 20262910 AMAQI
12th Jul 20262511 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026221 PMAQI
12th Jul 2026232 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026264 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026296 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20263010 PMAQI
12th Jul 20263011 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026321 AMAQI
13th Jul 2026312 AMAQI
13th Jul 2026303 AMAQI
26°C25/29°C
13th Jul 2026274 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026287 AMAQI
13th Jul 2026308 AMAQI
13th Jul 2026309 AMAQI
13th Jul 20263110 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262712 PMAQI
13th Jul 2026241 PMAQI
13th Jul 2026222 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026346 PMAQI
13th Jul 2026357 PMAQI
13th Jul 2026398 PMAQI
13th Jul 2026539 PMAQI
13th Jul 20263510 PMAQI
13th Jul 20263611 PMAQI
14th Jul 20264312 AMAQI
14th Jul 2026421 AMAQI
14th Jul 2026422 AMAQI
14th Jul 2026393 AMAQI
28°C26/30°C
14th Jul 2026364 AMAQI
14th Jul 2026385 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026327 AMAQI
14th Jul 2026288 AMAQI
14th Jul 2026319 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026211 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026307 PMAQI
14th Jul 2026308 PMAQI
14th Jul 2026319 PMAQI
14th Jul 20263310 PMAQI
14th Jul 20263411 PMAQI
15th Jul 20263612 AMAQI
15th Jul 2026351 AMAQI
15th Jul 2026332 AMAQI
15th Jul 2026323 AMAQI
29°C25/33°C
15th Jul 2026294 AMAQI
15th Jul 2026325 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026327 AMAQI
15th Jul 2026318 AMAQI
15th Jul 2026289 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20262611 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026231 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026353 PMAQI
15th Jul 2026474 PMAQI
15th Jul 2026555 PMAQI
15th Jul 2026546 PMAQI
15th Jul 2026367 PMAQI
15th Jul 2026328 PMAQI
15th Jul 2026369 PMAQI
15th Jul 20263210 PMAQI
15th Jul 20263311 PMAQI
16th Jul 20263212 AMAQI
16th Jul 2026291 AMAQI
16th Jul 2026292 AMAQI
16th Jul 2026323 AMAQI
30°C27/34°C
16th Jul 2026454 AMAQI
16th Jul 2026495 AMAQI
16th Jul 2026486 AMAQI
16th Jul 2026527 AMAQI
16th Jul 2026538 AMAQI
16th Jul 2026529 AMAQI
16th Jul 20265510 AMAQI
16th Jul 20266311 AMAQI
16th Jul 20265912 PMAQI
16th Jul 2026651 PMAQI
16th Jul 2026772 PMAQI
16th Jul 2026863 PMAQI
16th Jul 2026764 PMAQI
16th Jul 2026805 PMAQI
16th Jul 2026806 PMAQI
16th Jul 2026797 PMAQI
16th Jul 2026608 PMAQI
16th Jul 2026669 PMAQI
16th Jul 20267710 PMAQI
16th Jul 20266711 PMAQI
17th Jul 20265612 AMAQI
17th Jul 2026481 AMAQI
17th Jul 2026422 AMAQI
17th Jul 2026383 AMAQI
30°C27/36°C
17th Jul 2026364 AMAQI
17th Jul 2026315 AMAQI
17th Jul 2026326 AMAQI
17th Jul 2026427 AMAQI
17th Jul 2026458 AMAQI
17th Jul 2026499 AMAQI
17th Jul 20265410 AMAQI
17th Jul 20265411 AMAQI
17th Jul 20266012 PMAQI
17th Jul 2026661 PMAQI
17th Jul 2026592 PMAQI
17th Jul 2026323 PMAQI
17th Jul 2026304 PMAQI
17th Jul 2026345 PMAQI
17th Jul 2026356 PMAQI
17th Jul 2026537 PMAQI
17th Jul 2026598 PMAQI
17th Jul 2026609 PMAQI
17th Jul 20265310 PMAQI
17th Jul 20265011 PMAQI
18th Jul 20264912 AMAQI
18th Jul 2026401 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026353 AMAQI
29°C27/32°C
18th Jul 2026374 AMAQI
18th Jul 2026395 AMAQI
18th Jul 2026326 AMAQI
18th Jul 2026287 AMAQI
18th Jul 2026248 AMAQI
18th Jul 2026209 AMAQI
18th Jul 20262210 AMAQI
18th Jul 20262311 AMAQI
18th Jul 20262312 PMAQI
18th Jul 2026241 PMAQI
18th Jul 2026232 PMAQI
18th Jul 2026183 PMAQI
18th Jul 2026164 PMAQI
18th Jul 2026175 PMAQI
18th Jul 2026186 PMAQI
18th Jul 2026197 PMAQI
18th Jul 2026208 PMAQI
18th Jul 2026189 PMAQI
18th Jul 20261710 PMAQI
18th Jul 20261911 PMAQI
19th Jul 20262112 AMAQI
19th Jul 2026211 AMAQI
19th Jul 2026152 AMAQI
19th Jul 2026113 AMAQI
28°C26/31°C
19th Jul 2026134 AMAQI
19th Jul 2026115 AMAQI
19th Jul 2026116 AMAQI
19th Jul 2026127 AMAQI
19th Jul 2026108 AMAQI
19th Jul 202699 AMAQI
19th Jul 20261210 AMAQI
19th Jul 20261511 AMAQI
19th Jul 20261912 PMAQI
19th Jul 2026191 PMAQI
19th Jul 2026232 PMAQI
19th Jul 2026273 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026285 PMAQI
19th Jul 2026286 PMAQI
19th Jul 2026317 PMAQI
19th Jul 2026328 PMAQI
19th Jul 2026369 PMAQI
19th Jul 20263410 PMAQI
19th Jul 20263011 PMAQI
20th Jul 20263712 AMAQI
20th Jul 2026381 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026253 AMAQI
28°C25/32°C
20th Jul 2026254 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026286 AMAQI
20th Jul 2026317 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20263610 AMAQI
20th Jul 20263611 AMAQI
20th Jul 20263412 PMAQI
20th Jul 2026301 PMAQI
20th Jul 2026622 PMAQI
20th Jul 2026583 PMAQI
20th Jul 2026544 PMAQI
20th Jul 2026585 PMAQI
20th Jul 2026596 PMAQI
20th Jul 2026597 PMAQI
20th Jul 2026578 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20265210 PMAQI
20th Jul 20265111 PMAQI
21st Jul 20265412 AMAQI
21st Jul 2026541 AMAQI
21st Jul 2026432 AMAQI
21st Jul 2026383 AMAQI
31°C27/36°C
21st Jul 2026344 AMAQI
21st Jul 2026295 AMAQI
21st Jul 2026276 AMAQI
21st Jul 2026307 AMAQI
21st Jul 2026348 AMAQI
21st Jul 2026439 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20265311 AMAQI
21st Jul 2026681 PMAQI
21st Jul 2026702 PMAQI
21st Jul 2026733 PMAQI
21st Jul 2026674 PMAQI
21st Jul 2026605 PMAQI
21st Jul 2026606 PMAQI
21st Jul 2026957 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265310 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026571 AMAQI
22nd Jul 2026602 AMAQI
22nd Jul 2026633 AMAQI
32°C28/36°C
22nd Jul 2026634 AMAQI
22nd Jul 2026645 AMAQI
22nd Jul 2026636 AMAQI
22nd Jul 2026617 AMAQI
22nd Jul 2026598 AMAQI
22nd Jul 2026579 AMAQI
22nd Jul 20265710 AMAQI
22nd Jul 20266711 AMAQI
22nd Jul 20266912 PMAQI
22nd Jul 2026731 PMAQI
22nd Jul 2026782 PMAQI
22nd Jul 2026803 PMAQI
22nd Jul 2026774 PMAQI
22nd Jul 2026755 PMAQI
22nd Jul 2026756 PMAQI
22nd Jul 2026767 PMAQI
22nd Jul 2026738 PMAQI
22nd Jul 2026709 PMAQI
22nd Jul 20267110 PMAQI
22nd Jul 20267911 PMAQI
23rd Jul 20267912 AMAQI
23rd Jul 2026781 AMAQI
23rd Jul 2026732 AMAQI
23rd Jul 2026613 AMAQI
32°C28/36°C
23rd Jul 2026464 AMAQI
23rd Jul 2026535 AMAQI
23rd Jul 2026556 AMAQI
23rd Jul 2026577 AMAQI
23rd Jul 2026558 AMAQI
23rd Jul 2026589 AMAQI
23rd Jul 20266110 AMAQI
23rd Jul 20266811 AMAQI
23rd Jul 20267212 PMAQI
23rd Jul 2026661 PMAQI
23rd Jul 2026712 PMAQI
23rd Jul 2026823 PMAQI
23rd Jul 2026804 PMAQI
23rd Jul 2026745 PMAQI
23rd Jul 2026706 PMAQI
23rd Jul 2026637 PMAQI
23rd Jul 2026578 PMAQI
23rd Jul 2026429 PMAQI
23rd Jul 20263710 PMAQI
23rd Jul 20263311 PMAQI
24th Jul 20262812 AMAQI
24th Jul 2026261 AMAQI
24th Jul 2026232 AMAQI
24th Jul 2026283 AMAQI
32°C29/38°C
24th Jul 2026264 AMAQI
24th Jul 2026245 AMAQI
24th Jul 2026266 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026269 AMAQI
24th Jul 20263010 AMAQI
24th Jul 20264011 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026581 PMAQI
24th Jul 2026662 PMAQI
24th Jul 2026723 PMAQI
24th Jul 2026734 PMAQI
24th Jul 2026775 PMAQI
24th Jul 2026666 PMAQI
24th Jul 2026647 PMAQI
24th Jul 2026398 PMAQI
24th Jul 2026459 PMAQI
24th Jul 20263910 PMAQI
24th Jul 20263711 PMAQI
25th Jul 20263412 AMAQI
25th Jul 2026341 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026323 AMAQI
30°C27/34°C
25th Jul 2026314 AMAQI
25th Jul 2026285 AMAQI
25th Jul 2026306 AMAQI
25th Jul 2026267 AMAQI
25th Jul 2026268 AMAQI
25th Jul 2026289 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20264312 PMAQI
25th Jul 2026451 PMAQI
25th Jul 2026442 PMAQI
25th Jul 2026453 PMAQI
25th Jul 2026384 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026286 PMAQI
25th Jul 2026207 PMAQI
25th Jul 2026188 PMAQI
25th Jul 2026169 PMAQI
25th Jul 20261710 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20261812 AMAQI
26th Jul 2026201 AMAQI
26th Jul 2026182 AMAQI
26th Jul 2026163 AMAQI
29°C25/35°C
26th Jul 2026174 AMAQI
26th Jul 2026195 AMAQI
26th Jul 2026186 AMAQI
26th Jul 2026177 AMAQI
26th Jul 2026148 AMAQI
26th Jul 2026159 AMAQI
26th Jul 20261910 AMAQI
26th Jul 20262011 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026472 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026384 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026346 PMAQI
26th Jul 2026427 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262411 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026242 AMAQI
27th Jul 2026263 AMAQI
28°C25/32°C
27th Jul 2026224 AMAQI
27th Jul 2026225 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026228 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262411 AMAQI
27th Jul 20262412 PMAQI
27th Jul 2026281 PMAQI
27th Jul 2026302 PMAQI
27th Jul 2026263 PMAQI
27th Jul 2026344 PMAQI
27th Jul 2026325 PMAQI
27th Jul 2026226 PMAQI
27th Jul 2026217 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262210 PMAQI
27th Jul 20262211 PMAQI
28th Jul 20262212 AMAQI
28th Jul 2026261 AMAQI
28th Jul 2026262 AMAQI
28th Jul 2026283 AMAQI
27°C24/30°C
28th Jul 2026244 AMAQI
28th Jul 2026305 AMAQI
28th Jul 2026246 AMAQI
28th Jul 2026247 AMAQI
28th Jul 2026248 AMAQI
28th Jul 2026269 AMAQI
28th Jul 20262410 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20264712 PMAQI
28th Jul 2026591 PMAQI
28th Jul 2026642 PMAQI
28th Jul 2026603 PMAQI
28th Jul 2026564 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026316 PMAQI
28th Jul 2026317 PMAQI
28th Jul 2026288 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20263710 PMAQI
28th Jul 20264711 PMAQI
29th Jul 20265312 AMAQI
29th Jul 2026511 AMAQI
29th Jul 2026482 AMAQI
29th Jul 2026453 AMAQI
27°C24/31°C
29th Jul 2026524 AMAQI
29th Jul 2026475 AMAQI
29th Jul 2026396 AMAQI
29th Jul 2026417 AMAQI
29th Jul 2026328 AMAQI
29th Jul 2026359 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20263911 AMAQI
29th Jul 20263712 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026353 PMAQI
29th Jul 2026284 PMAQI
29th Jul 2026345 PMAQI
29th Jul 2026246 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262210 PMAQI
29th Jul 20262611 PMAQI
30th Jul 20262212 AMAQI
30th Jul 2026221 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026233 AMAQI
30°C25/36°C
30th Jul 2026234 AMAQI
30th Jul 2026265 AMAQI
30th Jul 2026246 AMAQI
30th Jul 2026247 AMAQI
30th Jul 2026228 AMAQI
30th Jul 2026249 AMAQI
30th Jul 20262310 AMAQI
30th Jul 20262711 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026471 PMAQI
30th Jul 2026542 PMAQI
30th Jul 2026483 PMAQI
30th Jul 2026504 PMAQI
30th Jul 2026555 PMAQI
30th Jul 2026596 PMAQI
30th Jul 2026597 PMAQI
30th Jul 2026668 PMAQI
30th Jul 2026619 PMAQI
30th Jul 20263810 PMAQI
30th Jul 20264111 PMAQI
31st Jul 20264512 AMAQI
31st Jul 2026511 AMAQI
31st Jul 2026462 AMAQI
31st Jul 2026363 AMAQI
32°C28/36°C
31st Jul 2026354 AMAQI
31st Jul 2026345 AMAQI
31st Jul 2026426 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026428 AMAQI
31st Jul 2026449 AMAQI
31st Jul 20264710 AMAQI
31st Jul 20264611 AMAQI
31st Jul 20265012 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026502 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026524 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026556 PMAQI
31st Jul 2026547 PMAQI
31st Jul 2026628 PMAQI
31st Jul 2026629 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20264811 PMAQI
1st Aug 20264912 AMAQI
1st Aug 2026471 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026453 AMAQI
31°C29/36°C
1st Aug 2026574 AMAQI
1st Aug 2026595 AMAQI
1st Aug 2026586 AMAQI
1st Aug 2026577 AMAQI
1st Aug 2026568 AMAQI
1st Aug 2026549 AMAQI
1st Aug 20265410 AMAQI
1st Aug 20266511 AMAQI
1st Aug 20265912 PMAQI
1st Aug 2026631 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026563 PMAQI
1st Aug 2026654 PMAQI
1st Aug 2026645 PMAQI
1st Aug 2026606 PMAQI
1st Aug 2026597 PMAQI
1st Aug 2026618 PMAQI
1st Aug 2026689 PMAQI
1st Aug 20266510 PMAQI
1st Aug 20266711 PMAQI
2nd Aug 20266612 AMAQI
2nd Aug 2026661 AMAQI
2nd Aug 2026702 AMAQI
2nd Aug 2026573 AMAQI
32°C27/37°C
2nd Aug 2026684 AMAQI
2nd Aug 2026645 AMAQI
2nd Aug 2026596 AMAQI
2nd Aug 2026577 AMAQI
2nd Aug 2026568 AMAQI
2nd Aug 2026529 AMAQI
2nd Aug 20265410 AMAQI
2nd Aug 20265811 AMAQI
2nd Aug 20266012 PMAQI
2nd Aug 2026641 PMAQI
2nd Aug 2026542 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026454 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026326 PMAQI
2nd Aug 2026267 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026379 PMAQI
2nd Aug 20263610 PMAQI
2nd Aug 20262611 PMAQI
3rd Aug 20262012 AMAQI
3rd Aug 2026171 AMAQI
3rd Aug 2026132 AMAQI
3rd Aug 2026123 AMAQI
30°C25/35°C
3rd Aug 2026144 AMAQI
4 AM3rd Aug 2026145 AMAQI
3rd Aug 2026166 AMAQI
3rd Aug 2026147 AMAQI
3rd Aug 2026148 AMAQI
3rd Aug 2026219 AMAQI
3rd Aug 20262010 AMAQI
3rd Aug 20262011 AMAQI
11 AM3rd Aug 20262112 PMAQI
3rd Aug 2026211 PMAQI
3rd Aug 2026252 PMAQI
3rd Aug 2026213 PMAQI
3rd Aug 2026224 PMAQI
3rd Aug 2026295 PMAQI
3rd Aug 2026226 PMAQI
6 PM3rd Aug 2026227 PMAQI
3rd Aug 2026288 PMAQI
3rd Aug 2026279 PMAQI
3rd Aug 20262410 PMAQI
3rd Aug 20262311 PMAQI
11 PM3 AM
25°C24/27°C
Day time
Avg. Highest Time
2 PM - 5 PM
42AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
6 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 5 PM (Avg. 42), while the lowest AQI was between 6 AM to 6 AM (Avg. 31).
Night time
Avg. Highest Time
7 PM
40AQI
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. 40), while the lowest AQI was between 3 AM to 3 AM (Avg. 31).
2026 Days Vs Air Quality
Kawaguchi, Saitama, Japan
2026
81%
175
19%
40
Total number of days with different AQI categories in last 215 days in 2026 (150 days remaining)
Good
175 DaysModerate
40 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% of 215 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
Kawaguchi, 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
20AQI (US)
20AQI (US)
2nd January 2026
16AQI (US)
16AQI (US)
3rd January 2026
17AQI (US)
17AQI (US)
4th January 2026
24AQI (US)
24AQI (US)
5th January 2026
47AQI (US)
47AQI (US)
6th January 2026
14AQI (US)
14AQI (US)
7th January 2026
33AQI (US)
33AQI (US)
8th January 2026
40AQI (US)
40AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
38AQI (US)
38AQI (US)
11th January 2026
33AQI (US)
33AQI (US)
12th January 2026
18AQI (US)
18AQI (US)
13th January 2026
39AQI (US)
39AQI (US)
14th January 2026
17AQI (US)
17AQI (US)
15th January 2026
36AQI (US)
36AQI (US)
16th January 2026
53AQI (US)
53AQI (US)
17th January 2026
51AQI (US)
51AQI (US)
18th January 2026
26AQI (US)
26AQI (US)
19th January 2026
48AQI (US)
48AQI (US)
20th January 2026
45AQI (US)
45AQI (US)
21st January 2026
14AQI (US)
14AQI (US)
22nd January 2026
23AQI (US)
23AQI (US)
23rd January 2026
39AQI (US)
39AQI (US)
24th January 2026
42AQI (US)
42AQI (US)
25th January 2026
44AQI (US)
44AQI (US)
26th January 2026
26AQI (US)
26AQI (US)
27th January 2026
41AQI (US)
41AQI (US)
28th January 2026
16AQI (US)
16AQI (US)
29th January 2026
22AQI (US)
22AQI (US)
30th January 2026
36AQI (US)
36AQI (US)
31st January 2026
37AQI (US)
37AQI (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
60AQI (US)
60AQI (US)
7th February 2026
14AQI (US)
14AQI (US)
8th February 2026
15AQI (US)
15AQI (US)
9th February 2026
34AQI (US)
34AQI (US)
10th February 2026
40AQI (US)
40AQI (US)
11th February 2026
53AQI (US)
53AQI (US)
12th February 2026
27AQI (US)
27AQI (US)
13th February 2026
46AQI (US)
46AQI (US)
14th February 2026
63AQI (US)
63AQI (US)
15th February 2026
70AQI (US)
70AQI (US)
16th February 2026
47AQI (US)
47AQI (US)
17th February 2026
20AQI (US)
20AQI (US)
18th February 2026
39AQI (US)
39AQI (US)
19th February 2026
22AQI (US)
22AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
46AQI (US)
46AQI (US)
22nd February 2026
44AQI (US)
44AQI (US)
23rd February 2026
43AQI (US)
43AQI (US)
24th February 2026
45AQI (US)
45AQI (US)
25th February 2026
36AQI (US)
36AQI (US)
26th February 2026
13AQI (US)
13AQI (US)
27th February 2026
33AQI (US)
33AQI (US)
28th February 2026
43AQI (US)
43AQI (US)
1st March 2026
36AQI (US)
36AQI (US)
2nd March 2026
68AQI (US)
68AQI (US)
3rd March 2026
46AQI (US)
46AQI (US)
4th March 2026
52AQI (US)
52AQI (US)
5th March 2026
52AQI (US)
52AQI (US)
6th March 2026
50AQI (US)
50AQI (US)
7th March 2026
45AQI (US)
45AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
47AQI (US)
47AQI (US)
10th March 2026
58AQI (US)
58AQI (US)
11th March 2026
58AQI (US)
58AQI (US)
12th March 2026
66AQI (US)
66AQI (US)
13th March 2026
39AQI (US)
39AQI (US)
14th March 2026
46AQI (US)
46AQI (US)
15th March 2026
57AQI (US)
57AQI (US)
16th March 2026
53AQI (US)
53AQI (US)
17th March 2026
51AQI (US)
51AQI (US)
18th March 2026
53AQI (US)
53AQI (US)
19th March 2026
35AQI (US)
35AQI (US)
20th March 2026
31AQI (US)
31AQI (US)
21st March 2026
56AQI (US)
56AQI (US)
22nd March 2026
59AQI (US)
59AQI (US)
23rd March 2026
50AQI (US)
50AQI (US)
24th March 2026
51AQI (US)
51AQI (US)
25th March 2026
60AQI (US)
60AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
26AQI (US)
26AQI (US)
28th March 2026
46AQI (US)
46AQI (US)
29th March 2026
54AQI (US)
54AQI (US)
30th March 2026
54AQI (US)
54AQI (US)
31st March 2026
22AQI (US)
22AQI (US)
1st April 2026
23AQI (US)
23AQI (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
38AQI (US)
38AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
30AQI (US)
30AQI (US)
8th April 2026
26AQI (US)
26AQI (US)
9th April 2026
31AQI (US)
31AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
51AQI (US)
51AQI (US)
12th April 2026
34AQI (US)
34AQI (US)
13th April 2026
39AQI (US)
39AQI (US)
14th April 2026
40AQI (US)
40AQI (US)
15th April 2026
39AQI (US)
39AQI (US)
16th April 2026
30AQI (US)
30AQI (US)
17th April 2026
35AQI (US)
35AQI (US)
18th April 2026
31AQI (US)
31AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
35AQI (US)
35AQI (US)
21st April 2026
38AQI (US)
38AQI (US)
22nd April 2026
46AQI (US)
46AQI (US)
23rd April 2026
37AQI (US)
37AQI (US)
24th April 2026
32AQI (US)
32AQI (US)
25th April 2026
46AQI (US)
46AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
49AQI (US)
49AQI (US)
28th April 2026
42AQI (US)
42AQI (US)
29th April 2026
39AQI (US)
39AQI (US)
30th April 2026
38AQI (US)
38AQI (US)
1st May 2026
48AQI (US)
48AQI (US)
2nd May 2026
50AQI (US)
50AQI (US)
3rd May 2026
51AQI (US)
51AQI (US)
4th May 2026
29AQI (US)
29AQI (US)
5th May 2026
22AQI (US)
22AQI (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
28AQI (US)
28AQI (US)
12th May 2026
34AQI (US)
34AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
34AQI (US)
34AQI (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
49AQI (US)
49AQI (US)
20th May 2026
61AQI (US)
61AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
61AQI (US)
61AQI (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
25AQI (US)
25AQI (US)
28th May 2026
25AQI (US)
25AQI (US)
29th May 2026
24AQI (US)
24AQI (US)
30th May 2026
24AQI (US)
24AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
26AQI (US)
26AQI (US)
3rd June 2026
17AQI (US)
17AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
21AQI (US)
21AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
21AQI (US)
21AQI (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
24AQI (US)
24AQI (US)
13th June 2026
36AQI (US)
36AQI (US)
14th June 2026
45AQI (US)
45AQI (US)
15th June 2026
15AQI (US)
15AQI (US)
16th June 2026
24AQI (US)
24AQI (US)
17th June 2026
24AQI (US)
24AQI (US)
18th June 2026
25AQI (US)
25AQI (US)
19th June 2026
27AQI (US)
27AQI (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
30AQI (US)
30AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
28AQI (US)
28AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
24AQI (US)
24AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
19AQI (US)
19AQI (US)
3rd July 2026
17AQI (US)
17AQI (US)
4th July 2026
39AQI (US)
39AQI (US)
5th July 2026
22AQI (US)
22AQI (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
22AQI (US)
22AQI (US)
10th July 2026
25AQI (US)
25AQI (US)
11th July 2026
26AQI (US)
26AQI (US)
12th July 2026
27AQI (US)
27AQI (US)
13th July 2026
31AQI (US)
31AQI (US)
14th July 2026
31AQI (US)
31AQI (US)
15th July 2026
33AQI (US)
33AQI (US)
16th July 2026
59AQI (US)
59AQI (US)
17th July 2026
46AQI (US)
46AQI (US)
18th July 2026
26AQI (US)
26AQI (US)
19th July 2026
21AQI (US)
21AQI (US)
20th July 2026
42AQI (US)
42AQI (US)
21st July 2026
52AQI (US)
52AQI (US)
22nd July 2026
68AQI (US)
68AQI (US)
23rd July 2026
62AQI (US)
62AQI (US)
24th July 2026
42AQI (US)
42AQI (US)
25th July 2026
31AQI (US)
31AQI (US)
26th July 2026
26AQI (US)
26AQI (US)
27th July 2026
25AQI (US)
25AQI (US)
28th July 2026
34AQI (US)
34AQI (US)
29th July 2026
36AQI (US)
36AQI (US)
30th July 2026
38AQI (US)
38AQI (US)
31st July 2026
47AQI (US)
47AQI (US)
1st August 2026
58AQI (US)
58AQI (US)
2nd August 2026
51AQI (US)
51AQI (US)
3rd August 2026
20AQI (US)
20AQI (US)
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)
39AQI (US)
48AQI (US)
38AQI (US)
41AQI (US)
25AQI (US)
34AQI (US)
43AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202637AQI (US)
29
2
23
5
15
16
28
2
22
9
30
27
4
1
2
175
40
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202539AQI (US)
31
28
27
4
30
31
30
22
9
20
11
29
1
18
13
13
17
16
15
295
70
Highest AQI (US) recorded in
December51AQI (US)
Lowest AQI (US) recorded in
May26AQI (US)
202437AQI (US)
28
3
27
2
26
5
23
7
27
4
28
2
20
11
30
1
27
3
30
1
28
2
31
325
41
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202337AQI (US)
28
3
26
2
26
5
23
7
29
2
26
4
28
3
31
30
31
25
4
31
334
30
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202237AQI (US)
31
19
2
27
4
26
4
24
7
22
8
21
3
1
28
31
30
31
291
28
Highest AQI (US) recorded in
June44AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202129AQI (US)
30
1
28
28
3
30
28
3
27
3
30
1
29
2
30
30
1
30
30
1
350
15
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
February19AQI (US)
202024AQI (US)
13
21
18
28
2
31
30
1
19
31
28
2
31
250
5
Highest AQI (US) recorded in
August29AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2025(Avg.)
39AQI (US)Least Polluted Year Recorded
2020(Avg.)
24AQI (US)Kawaguchi's annual 2026 AQI (US) (37) shows an average percentage change of 12.7% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (29), 2022 (37), 2023 (37), 2024 (37), 2025 (39).
