Katsuse, Atsugicho, Kanagawa, 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
Katsuse, Atsugicho, Kanagawa, Japan
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
63AQILowest AQI recorded on
25th Aug 2023
10AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Katsuse, Atsugicho, Kanagawa, Japan
AQI
Day
Night
.
4 AM6th Aug 2026
6 PM
3 AM7th Aug 2026
Day time
Avg. Highest Time
3PM6th Aug
27AQI
Avg. Lowest Time
2PM6th Aug
21AQI
Night time
Avg. Highest Time
7PM6th Aug
31AQI
Avg. Lowest Time
3AM7th Aug
25AQI
In the last 24 hours,
Katsuse's AQI reached its highest point of 31 at 7 PM during the Night, while the lowest point, 21, was recorded at 2 PM during the Day between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Katsuse, Atsugicho, Kanagawa, Japan
JulAug
09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
9th Jul 2026244 AMAQI
9th Jul 2026265 AMAQI
9th Jul 2026286 AMAQI
9th Jul 2026287 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026249 AMAQI
9th Jul 20262410 AMAQI
9th Jul 20262311 AMAQI
9th Jul 20262012 PMAQI
9th Jul 2026201 PMAQI
9th Jul 2026222 PMAQI
9th Jul 2026243 PMAQI
9th Jul 2026224 PMAQI
9th Jul 2026245 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026227 PMAQI
9th Jul 2026238 PMAQI
9th Jul 2026169 PMAQI
9th Jul 20262310 PMAQI
9th Jul 20262411 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026272 AMAQI
10th Jul 2026163 AMAQI
25°C21/28°C
10th Jul 2026244 AMAQI
10th Jul 2026185 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026187 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026229 AMAQI
10th Jul 20262110 AMAQI
10th Jul 20262411 AMAQI
10th Jul 20262712 PMAQI
10th Jul 2026231 PMAQI
10th Jul 2026222 PMAQI
10th Jul 2026203 PMAQI
10th Jul 2026144 PMAQI
10th Jul 2026265 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026277 PMAQI
10th Jul 2026288 PMAQI
10th Jul 2026199 PMAQI
10th Jul 2026810 PMAQI
10th Jul 20261811 PMAQI
11th Jul 20261912 AMAQI
11th Jul 202691 AMAQI
11th Jul 2026282 AMAQI
11th Jul 2026203 AMAQI
26°C23/29°C
11th Jul 2026284 AMAQI
11th Jul 202695 AMAQI
11th Jul 2026306 AMAQI
11th Jul 2026107 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026269 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20262511 AMAQI
11th Jul 20262812 PMAQI
11th Jul 2026221 PMAQI
11th Jul 2026242 PMAQI
11th Jul 2026223 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026215 PMAQI
11th Jul 2026266 PMAQI
11th Jul 2026177 PMAQI
11th Jul 2026208 PMAQI
11th Jul 2026249 PMAQI
11th Jul 20262010 PMAQI
11th Jul 20261211 PMAQI
12th Jul 20261712 AMAQI
12th Jul 2026281 AMAQI
12th Jul 202682 AMAQI
12th Jul 2026113 AMAQI
26°C23/29°C
12th Jul 2026204 AMAQI
12th Jul 2026135 AMAQI
12th Jul 2026146 AMAQI
12th Jul 2026207 AMAQI
12th Jul 2026248 AMAQI
12th Jul 2026209 AMAQI
12th Jul 20261810 AMAQI
12th Jul 20261911 AMAQI
12th Jul 20263012 PMAQI
12th Jul 2026201 PMAQI
12th Jul 2026212 PMAQI
12th Jul 2026183 PMAQI
12th Jul 2026224 PMAQI
12th Jul 2026185 PMAQI
12th Jul 2026306 PMAQI
12th Jul 2026307 PMAQI
12th Jul 2026368 PMAQI
12th Jul 2026309 PMAQI
12th Jul 20264110 PMAQI
12th Jul 20262711 PMAQI
13th Jul 20262412 AMAQI
13th Jul 2026401 AMAQI
13th Jul 2026402 AMAQI
13th Jul 2026403 AMAQI
26°C24/29°C
13th Jul 2026264 AMAQI
13th Jul 2026285 AMAQI
13th Jul 2026286 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026288 AMAQI
13th Jul 2026289 AMAQI
13th Jul 20262910 AMAQI
13th Jul 20262811 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026263 PMAQI
13th Jul 2026264 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026326 PMAQI
13th Jul 2026347 PMAQI
13th Jul 2026308 PMAQI
13th Jul 2026329 PMAQI
13th Jul 20263210 PMAQI
13th Jul 20266811 PMAQI
14th Jul 20266012 AMAQI
14th Jul 2026531 AMAQI
14th Jul 2026342 AMAQI
14th Jul 2026313 AMAQI
25°C24/28°C
14th Jul 2026294 AMAQI
14th Jul 2026305 AMAQI
14th Jul 2026296 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026308 AMAQI
14th Jul 2026329 AMAQI
14th Jul 20263210 AMAQI
14th Jul 20262711 AMAQI
14th Jul 20262412 PMAQI
14th Jul 2026241 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026233 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026326 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026328 PMAQI
14th Jul 2026349 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263311 PMAQI
15th Jul 20263512 AMAQI
15th Jul 2026351 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026313 AMAQI
27°C24/30°C
15th Jul 2026304 AMAQI
15th Jul 2026305 AMAQI
15th Jul 2026276 AMAQI
15th Jul 2026307 AMAQI
15th Jul 2026338 AMAQI
15th Jul 2026359 AMAQI
15th Jul 20262610 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026221 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026363 PMAQI
15th Jul 2026424 PMAQI
15th Jul 2026405 PMAQI
15th Jul 2026406 PMAQI
15th Jul 2026507 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262511 PMAQI
16th Jul 20261912 AMAQI
16th Jul 2026191 AMAQI
16th Jul 2026242 AMAQI
16th Jul 2026323 AMAQI
28°C25/32°C
16th Jul 2026324 AMAQI
16th Jul 2026305 AMAQI
16th Jul 2026516 AMAQI
16th Jul 2026567 AMAQI
16th Jul 2026608 AMAQI
16th Jul 2026729 AMAQI
16th Jul 20266710 AMAQI
16th Jul 20267111 AMAQI
16th Jul 20266912 PMAQI
16th Jul 2026741 PMAQI
16th Jul 2026742 PMAQI
16th Jul 2026713 PMAQI
16th Jul 2026444 PMAQI
16th Jul 2026825 PMAQI
16th Jul 2026826 PMAQI
16th Jul 2026807 PMAQI
16th Jul 2026788 PMAQI
16th Jul 2026829 PMAQI
16th Jul 20268410 PMAQI
16th Jul 20267311 PMAQI
17th Jul 20267612 AMAQI
17th Jul 2026671 AMAQI
17th Jul 2026632 AMAQI
17th Jul 2026623 AMAQI
29°C26/33°C
17th Jul 2026544 AMAQI
17th Jul 2026545 AMAQI
17th Jul 2026536 AMAQI
17th Jul 2026487 AMAQI
17th Jul 2026548 AMAQI
17th Jul 2026509 AMAQI
17th Jul 20264610 AMAQI
17th Jul 20265111 AMAQI
17th Jul 20265612 PMAQI
17th Jul 2026541 PMAQI
17th Jul 2026662 PMAQI
17th Jul 2026683 PMAQI
17th Jul 2026644 PMAQI
17th Jul 2026595 PMAQI
17th Jul 2026596 PMAQI
17th Jul 2026557 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026509 PMAQI
17th Jul 20265110 PMAQI
17th Jul 20264411 PMAQI
18th Jul 20264412 AMAQI
18th Jul 2026381 AMAQI
18th Jul 2026362 AMAQI
18th Jul 2026293 AMAQI
27°C25/29°C
18th Jul 2026334 AMAQI
18th Jul 2026275 AMAQI
18th Jul 2026256 AMAQI
18th Jul 2026197 AMAQI
18th Jul 2026168 AMAQI
18th Jul 2026179 AMAQI
18th Jul 20261010 AMAQI
18th Jul 20261211 AMAQI
18th Jul 2026812 PMAQI
18th Jul 2026211 PMAQI
18th Jul 2026142 PMAQI
18th Jul 2026253 PMAQI
18th Jul 2026124 PMAQI
18th Jul 2026105 PMAQI
18th Jul 2026106 PMAQI
18th Jul 2026107 PMAQI
18th Jul 202688 PMAQI
18th Jul 202689 PMAQI
18th Jul 20261310 PMAQI
18th Jul 20261311 PMAQI
19th Jul 20261012 AMAQI
19th Jul 202691 AMAQI
19th Jul 202682 AMAQI
19th Jul 2026103 AMAQI
27°C25/30°C
19th Jul 202684 AMAQI
19th Jul 202685 AMAQI
19th Jul 202686 AMAQI
19th Jul 2026107 AMAQI
19th Jul 2026108 AMAQI
19th Jul 2026129 AMAQI
19th Jul 20261210 AMAQI
19th Jul 20261211 AMAQI
19th Jul 20261712 PMAQI
19th Jul 2026171 PMAQI
19th Jul 2026122 PMAQI
19th Jul 2026123 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026271 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026213 AMAQI
27°C25/30°C
20th Jul 2026254 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026276 AMAQI
20th Jul 2026277 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262910 AMAQI
20th Jul 20263011 AMAQI
20th Jul 20262312 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026314 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026278 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262910 PMAQI
20th Jul 20263011 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026312 AMAQI
21st Jul 2026333 AMAQI
29°C26/33°C
21st Jul 2026314 AMAQI
21st Jul 2026425 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026547 AMAQI
21st Jul 2026538 AMAQI
21st Jul 2026529 AMAQI
21st Jul 20265410 AMAQI
21st Jul 20265411 AMAQI
21st Jul 2026601 PMAQI
21st Jul 2026562 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026564 PMAQI
21st Jul 2026545 PMAQI
21st Jul 2026556 PMAQI
21st Jul 2026927 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265611 PMAQI
22nd Jul 20265912 AMAQI
22nd Jul 2026591 AMAQI
22nd Jul 2026572 AMAQI
22nd Jul 2026563 AMAQI
30°C26/34°C
22nd Jul 2026564 AMAQI
22nd Jul 2026565 AMAQI
22nd Jul 2026586 AMAQI
22nd Jul 2026577 AMAQI
22nd Jul 2026598 AMAQI
22nd Jul 2026579 AMAQI
22nd Jul 20266410 AMAQI
22nd Jul 20267011 AMAQI
22nd Jul 20266612 PMAQI
22nd Jul 2026661 PMAQI
22nd Jul 2026682 PMAQI
22nd Jul 2026663 PMAQI
22nd Jul 2026664 PMAQI
22nd Jul 2026675 PMAQI
22nd Jul 2026676 PMAQI
22nd Jul 2026647 PMAQI
22nd Jul 2026688 PMAQI
22nd Jul 2026669 PMAQI
22nd Jul 20266510 PMAQI
22nd Jul 20266311 PMAQI
23rd Jul 20266212 AMAQI
23rd Jul 2026581 AMAQI
23rd Jul 2026572 AMAQI
23rd Jul 2026493 AMAQI
30°C27/34°C
23rd Jul 2026404 AMAQI
23rd Jul 2026445 AMAQI
23rd Jul 2026486 AMAQI
23rd Jul 2026547 AMAQI
23rd Jul 2026598 AMAQI
23rd Jul 2026669 AMAQI
23rd Jul 20266810 AMAQI
23rd Jul 20266811 AMAQI
23rd Jul 20266512 PMAQI
23rd Jul 2026681 PMAQI
23rd Jul 2026682 PMAQI
23rd Jul 2026753 PMAQI
23rd Jul 2026734 PMAQI
23rd Jul 2026715 PMAQI
23rd Jul 2026726 PMAQI
23rd Jul 2026717 PMAQI
23rd Jul 2026628 PMAQI
23rd Jul 2026649 PMAQI
23rd Jul 20265910 PMAQI
23rd Jul 20265911 PMAQI
24th Jul 20265612 AMAQI
24th Jul 2026571 AMAQI
24th Jul 2026592 AMAQI
24th Jul 2026423 AMAQI
31°C27/35°C
24th Jul 2026564 AMAQI
24th Jul 2026465 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026337 AMAQI
24th Jul 2026388 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20264610 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265612 PMAQI
24th Jul 2026581 PMAQI
24th Jul 2026642 PMAQI
24th Jul 2026623 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026385 PMAQI
24th Jul 2026606 PMAQI
24th Jul 2026517 PMAQI
24th Jul 2026488 PMAQI
24th Jul 2026529 PMAQI
24th Jul 20265710 PMAQI
24th Jul 20265411 PMAQI
25th Jul 20265312 AMAQI
25th Jul 2026541 AMAQI
25th Jul 2026542 AMAQI
25th Jul 2026603 AMAQI
29°C27/31°C
25th Jul 2026564 AMAQI
25th Jul 2026555 AMAQI
25th Jul 2026566 AMAQI
25th Jul 2026547 AMAQI
25th Jul 2026548 AMAQI
25th Jul 2026519 AMAQI
25th Jul 20265110 AMAQI
25th Jul 20266011 AMAQI
25th Jul 20266012 PMAQI
25th Jul 2026601 PMAQI
25th Jul 2026602 PMAQI
25th Jul 2026603 PMAQI
25th Jul 2026664 PMAQI
25th Jul 2026665 PMAQI
25th Jul 2026756 PMAQI
25th Jul 2026737 PMAQI
25th Jul 2026738 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20263311 PMAQI
26th Jul 20262212 AMAQI
26th Jul 2026121 AMAQI
26th Jul 2026122 AMAQI
26th Jul 2026173 AMAQI
29°C25/33°C
26th Jul 2026214 AMAQI
26th Jul 2026125 AMAQI
26th Jul 2026126 AMAQI
26th Jul 2026167 AMAQI
26th Jul 2026178 AMAQI
26th Jul 2026149 AMAQI
26th Jul 20261710 AMAQI
26th Jul 20261711 AMAQI
26th Jul 20262112 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026462 PMAQI
26th Jul 2026363 PMAQI
26th Jul 2026164 PMAQI
26th Jul 2026125 PMAQI
26th Jul 2026226 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026248 PMAQI
26th Jul 2026129 PMAQI
26th Jul 20262710 PMAQI
26th Jul 20261211 PMAQI
27th Jul 20261212 AMAQI
27th Jul 2026191 AMAQI
27th Jul 2026192 AMAQI
27th Jul 2026213 AMAQI
27°C25/29°C
27th Jul 2026154 AMAQI
27th Jul 2026105 AMAQI
27th Jul 2026196 AMAQI
27th Jul 2026177 AMAQI
27th Jul 2026198 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262111 AMAQI
27th Jul 20261712 PMAQI
27th Jul 2026191 PMAQI
27th Jul 2026312 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026225 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026232 AMAQI
28th Jul 2026213 AMAQI
26°C24/29°C
28th Jul 2026254 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026237 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262110 AMAQI
28th Jul 20262311 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026251 PMAQI
28th Jul 2026212 PMAQI
28th Jul 2026233 PMAQI
28th Jul 2026234 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026237 PMAQI
28th Jul 2026238 PMAQI
28th Jul 2026219 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20262912 AMAQI
29th Jul 2026291 AMAQI
29th Jul 2026292 AMAQI
29th Jul 2026263 AMAQI
26°C24/29°C
29th Jul 2026294 AMAQI
29th Jul 2026295 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026298 AMAQI
29th Jul 2026279 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20262712 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026294 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262511 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI
28°C23/33°C
30th Jul 2026214 AMAQI
30th Jul 2026235 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026271 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026367 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026369 PMAQI
30th Jul 20263710 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026551 AMAQI
31st Jul 2026562 AMAQI
31st Jul 2026583 AMAQI
29°C25/34°C
31st Jul 2026584 AMAQI
31st Jul 2026595 AMAQI
31st Jul 2026566 AMAQI
31st Jul 2026567 AMAQI
31st Jul 2026578 AMAQI
31st Jul 2026569 AMAQI
31st Jul 20266010 AMAQI
31st Jul 20265911 AMAQI
31st Jul 20265612 PMAQI
31st Jul 2026571 PMAQI
31st Jul 2026572 PMAQI
31st Jul 2026603 PMAQI
31st Jul 2026574 PMAQI
31st Jul 2026605 PMAQI
31st Jul 2026596 PMAQI
31st Jul 2026627 PMAQI
31st Jul 2026628 PMAQI
31st Jul 2026579 PMAQI
31st Jul 20266210 PMAQI
31st Jul 20266211 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026541 AMAQI
1st Aug 2026572 AMAQI
1st Aug 2026523 AMAQI
29°C26/33°C
1st Aug 2026404 AMAQI
1st Aug 2026445 AMAQI
1st Aug 2026556 AMAQI
1st Aug 2026597 AMAQI
1st Aug 2026558 AMAQI
1st Aug 2026589 AMAQI
1st Aug 20266210 AMAQI
1st Aug 20266411 AMAQI
1st Aug 20266612 PMAQI
1st Aug 2026661 PMAQI
1st Aug 2026692 PMAQI
1st Aug 2026663 PMAQI
1st Aug 2026684 PMAQI
1st Aug 2026705 PMAQI
1st Aug 2026686 PMAQI
1st Aug 2026717 PMAQI
1st Aug 2026708 PMAQI
1st Aug 2026719 PMAQI
1st Aug 20267010 PMAQI
1st Aug 20267111 PMAQI
2nd Aug 20267012 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026652 AMAQI
2nd Aug 2026403 AMAQI
29°C26/33°C
2nd Aug 2026514 AMAQI
2nd Aug 2026595 AMAQI
2nd Aug 2026596 AMAQI
2nd Aug 2026587 AMAQI
2nd Aug 2026588 AMAQI
2nd Aug 2026579 AMAQI
2nd Aug 20265710 AMAQI
2nd Aug 20265711 AMAQI
2nd Aug 20265412 PMAQI
2nd Aug 2026561 PMAQI
2nd Aug 2026582 PMAQI
2nd Aug 2026603 PMAQI
2nd Aug 2026654 PMAQI
2nd Aug 2026635 PMAQI
2nd Aug 2026656 PMAQI
2nd Aug 2026637 PMAQI
2nd Aug 2026558 PMAQI
2nd Aug 2026309 PMAQI
2nd Aug 20262110 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026161 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 202683 AMAQI
30°C25/35°C
3rd Aug 2026104 AMAQI
3rd Aug 202685 AMAQI
3rd Aug 202686 AMAQI
3rd Aug 202687 AMAQI
3rd Aug 202688 AMAQI
3rd Aug 202689 AMAQI
3rd Aug 20261010 AMAQI
3rd Aug 20261611 AMAQI
3rd Aug 2026812 PMAQI
3rd Aug 202681 PMAQI
3rd Aug 2026122 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026144 PMAQI
3rd Aug 2026145 PMAQI
3rd Aug 2026146 PMAQI
3rd Aug 2026127 PMAQI
3rd Aug 2026238 PMAQI
3rd Aug 2026219 PMAQI
3rd Aug 20261910 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20262712 AMAQI
4th Aug 2026251 AMAQI
4th Aug 2026172 AMAQI
4th Aug 2026193 AMAQI
25°C23/26°C
4th Aug 2026194 AMAQI
4th Aug 2026195 AMAQI
4th Aug 2026216 AMAQI
4th Aug 2026217 AMAQI
4th Aug 2026218 AMAQI
4th Aug 2026219 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262312 PMAQI
4th Aug 2026251 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026313 PMAQI
4th Aug 2026314 PMAQI
4th Aug 2026335 PMAQI
4th Aug 2026316 PMAQI
4th Aug 2026317 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026279 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026211 AMAQI
5th Aug 2026212 AMAQI
5th Aug 2026213 AMAQI
25°C21/29°C
5th Aug 2026234 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262710 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026271 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026274 PMAQI
5th Aug 2026275 PMAQI
5th Aug 2026256 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026279 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262312 AMAQI
6th Aug 2026211 AMAQI
6th Aug 2026212 AMAQI
6th Aug 2026213 AMAQI
26°C22/30°C
6th Aug 2026254 AMAQI
6th Aug 2026215 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262510 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026211 PMAQI
6th Aug 2026212 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026276 PMAQI
6th Aug 2026317 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262510 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026253 AMAQI
28°C26/32°C
7th Aug 2026254 AMAQI
4 AM7th Aug 2026295 AMAQI
7th Aug 2026296 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026298 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262710 AMAQI
7th Aug 20262511 AMAQI
11 AM7th Aug 20262512 PMAQI
7th Aug 2026321 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026274 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026256 PMAQI
6 PM7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262111 PMAQI
11 PM3 AM
28°C25/31°C
Day time
Avg. Highest Time
6 PM
40AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 6 PM (Avg. 40), while the lowest AQI was between 5 AM to 5 AM (Avg. 30).
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
Katsuse, Atsugicho, Kanagawa, Japan
2026
83%
182
17%
37
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
182 DaysModerate
37 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 220 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
Katsuse, Atsugicho, Kanagawa, 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
24AQI (US)
24AQI (US)
2nd January 2026
20AQI (US)
20AQI (US)
3rd January 2026
14AQI (US)
14AQI (US)
4th January 2026
17AQI (US)
17AQI (US)
5th January 2026
32AQI (US)
32AQI (US)
6th January 2026
25AQI (US)
25AQI (US)
7th January 2026
20AQI (US)
20AQI (US)
8th January 2026
33AQI (US)
33AQI (US)
9th January 2026
15AQI (US)
15AQI (US)
10th January 2026
29AQI (US)
29AQI (US)
11th January 2026
24AQI (US)
24AQI (US)
12th January 2026
14AQI (US)
14AQI (US)
13th January 2026
27AQI (US)
27AQI (US)
14th January 2026
22AQI (US)
22AQI (US)
15th January 2026
39AQI (US)
39AQI (US)
16th January 2026
51AQI (US)
51AQI (US)
17th January 2026
56AQI (US)
56AQI (US)
18th January 2026
38AQI (US)
38AQI (US)
19th January 2026
39AQI (US)
39AQI (US)
20th January 2026
30AQI (US)
30AQI (US)
21st January 2026
13AQI (US)
13AQI (US)
22nd January 2026
25AQI (US)
25AQI (US)
23rd January 2026
37AQI (US)
37AQI (US)
24th January 2026
35AQI (US)
35AQI (US)
25th January 2026
38AQI (US)
38AQI (US)
26th January 2026
20AQI (US)
20AQI (US)
27th January 2026
36AQI (US)
36AQI (US)
28th January 2026
31AQI (US)
31AQI (US)
29th January 2026
26AQI (US)
26AQI (US)
30th January 2026
37AQI (US)
37AQI (US)
31st January 2026
37AQI (US)
37AQI (US)
1st February 2026
31AQI (US)
31AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
31AQI (US)
31AQI (US)
4th February 2026
38AQI (US)
38AQI (US)
5th February 2026
46AQI (US)
46AQI (US)
6th February 2026
47AQI (US)
47AQI (US)
7th February 2026
12AQI (US)
12AQI (US)
8th February 2026
18AQI (US)
18AQI (US)
9th February 2026
32AQI (US)
32AQI (US)
10th February 2026
37AQI (US)
37AQI (US)
11th February 2026
47AQI (US)
47AQI (US)
12th February 2026
38AQI (US)
38AQI (US)
13th February 2026
47AQI (US)
47AQI (US)
14th February 2026
54AQI (US)
54AQI (US)
15th February 2026
53AQI (US)
53AQI (US)
16th February 2026
48AQI (US)
48AQI (US)
17th February 2026
18AQI (US)
18AQI (US)
18th February 2026
34AQI (US)
34AQI (US)
19th February 2026
29AQI (US)
29AQI (US)
20th February 2026
34AQI (US)
34AQI (US)
21st February 2026
45AQI (US)
45AQI (US)
22nd February 2026
43AQI (US)
43AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
41AQI (US)
41AQI (US)
25th February 2026
35AQI (US)
35AQI (US)
26th February 2026
8AQI (US)
8AQI (US)
27th February 2026
26AQI (US)
26AQI (US)
28th February 2026
34AQI (US)
34AQI (US)
1st March 2026
30AQI (US)
30AQI (US)
2nd March 2026
60AQI (US)
60AQI (US)
3rd March 2026
40AQI (US)
40AQI (US)
4th March 2026
51AQI (US)
51AQI (US)
5th March 2026
51AQI (US)
51AQI (US)
6th March 2026
53AQI (US)
53AQI (US)
7th March 2026
33AQI (US)
33AQI (US)
8th March 2026
28AQI (US)
28AQI (US)
9th March 2026
37AQI (US)
37AQI (US)
10th March 2026
57AQI (US)
57AQI (US)
11th March 2026
57AQI (US)
57AQI (US)
12th March 2026
64AQI (US)
64AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
45AQI (US)
45AQI (US)
15th March 2026
58AQI (US)
58AQI (US)
16th March 2026
54AQI (US)
54AQI (US)
17th March 2026
51AQI (US)
51AQI (US)
18th March 2026
53AQI (US)
53AQI (US)
19th March 2026
32AQI (US)
32AQI (US)
20th March 2026
31AQI (US)
31AQI (US)
21st March 2026
43AQI (US)
43AQI (US)
22nd March 2026
48AQI (US)
48AQI (US)
23rd March 2026
45AQI (US)
45AQI (US)
24th March 2026
46AQI (US)
46AQI (US)
25th March 2026
70AQI (US)
70AQI (US)
26th March 2026
29AQI (US)
29AQI (US)
27th March 2026
18AQI (US)
18AQI (US)
28th March 2026
53AQI (US)
53AQI (US)
29th March 2026
50AQI (US)
50AQI (US)
30th March 2026
56AQI (US)
56AQI (US)
31st March 2026
22AQI (US)
22AQI (US)
1st April 2026
21AQI (US)
21AQI (US)
2nd April 2026
33AQI (US)
33AQI (US)
3rd April 2026
45AQI (US)
45AQI (US)
4th April 2026
48AQI (US)
48AQI (US)
5th April 2026
36AQI (US)
36AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
18AQI (US)
18AQI (US)
9th April 2026
30AQI (US)
30AQI (US)
10th April 2026
46AQI (US)
46AQI (US)
11th April 2026
35AQI (US)
35AQI (US)
12th April 2026
31AQI (US)
31AQI (US)
13th April 2026
34AQI (US)
34AQI (US)
14th April 2026
40AQI (US)
40AQI (US)
15th April 2026
34AQI (US)
34AQI (US)
16th April 2026
33AQI (US)
33AQI (US)
17th April 2026
34AQI (US)
34AQI (US)
18th April 2026
27AQI (US)
27AQI (US)
19th April 2026
31AQI (US)
31AQI (US)
20th April 2026
36AQI (US)
36AQI (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
31AQI (US)
31AQI (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
37AQI (US)
37AQI (US)
1st May 2026
47AQI (US)
47AQI (US)
2nd May 2026
48AQI (US)
48AQI (US)
3rd May 2026
42AQI (US)
42AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
15AQI (US)
15AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
26AQI (US)
26AQI (US)
9th May 2026
23AQI (US)
23AQI (US)
10th May 2026
28AQI (US)
28AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
30AQI (US)
30AQI (US)
13th May 2026
38AQI (US)
38AQI (US)
14th May 2026
33AQI (US)
33AQI (US)
15th May 2026
34AQI (US)
34AQI (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
60AQI (US)
60AQI (US)
21st May 2026
59AQI (US)
59AQI (US)
22nd May 2026
60AQI (US)
60AQI (US)
23rd May 2026
52AQI (US)
52AQI (US)
24th May 2026
58AQI (US)
58AQI (US)
25th May 2026
46AQI (US)
46AQI (US)
26th May 2026
39AQI (US)
39AQI (US)
27th May 2026
24AQI (US)
24AQI (US)
28th May 2026
24AQI (US)
24AQI (US)
29th May 2026
25AQI (US)
25AQI (US)
30th May 2026
23AQI (US)
23AQI (US)
31st May 2026
26AQI (US)
26AQI (US)
1st June 2026
30AQI (US)
30AQI (US)
2nd June 2026
28AQI (US)
28AQI (US)
3rd June 2026
16AQI (US)
16AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
21AQI (US)
21AQI (US)
6th June 2026
20AQI (US)
20AQI (US)
7th June 2026
23AQI (US)
23AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
22AQI (US)
22AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
23AQI (US)
23AQI (US)
12th June 2026
24AQI (US)
24AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
41AQI (US)
41AQI (US)
15th June 2026
11AQI (US)
11AQI (US)
16th June 2026
22AQI (US)
22AQI (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
22AQI (US)
22AQI (US)
21st June 2026
19AQI (US)
19AQI (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
28AQI (US)
28AQI (US)
27th June 2026
19AQI (US)
19AQI (US)
28th June 2026
25AQI (US)
25AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
40AQI (US)
40AQI (US)
1st July 2026
42AQI (US)
42AQI (US)
2nd July 2026
21AQI (US)
21AQI (US)
3rd July 2026
18AQI (US)
18AQI (US)
4th July 2026
18AQI (US)
18AQI (US)
5th July 2026
21AQI (US)
21AQI (US)
6th July 2026
26AQI (US)
26AQI (US)
7th July 2026
21AQI (US)
21AQI (US)
8th July 2026
24AQI (US)
24AQI (US)
9th July 2026
24AQI (US)
24AQI (US)
10th July 2026
22AQI (US)
22AQI (US)
11th July 2026
22AQI (US)
22AQI (US)
12th July 2026
22AQI (US)
22AQI (US)
13th July 2026
31AQI (US)
31AQI (US)
14th July 2026
32AQI (US)
32AQI (US)
15th July 2026
31AQI (US)
31AQI (US)
16th July 2026
59AQI (US)
59AQI (US)
17th July 2026
57AQI (US)
57AQI (US)
18th July 2026
19AQI (US)
19AQI (US)
19th July 2026
15AQI (US)
15AQI (US)
20th July 2026
27AQI (US)
27AQI (US)
21st July 2026
51AQI (US)
51AQI (US)
22nd July 2026
62AQI (US)
62AQI (US)
23rd July 2026
62AQI (US)
62AQI (US)
24th July 2026
51AQI (US)
51AQI (US)
25th July 2026
57AQI (US)
57AQI (US)
26th July 2026
20AQI (US)
20AQI (US)
27th July 2026
21AQI (US)
21AQI (US)
28th July 2026
24AQI (US)
24AQI (US)
29th July 2026
27AQI (US)
27AQI (US)
30th July 2026
28AQI (US)
28AQI (US)
31st July 2026
58AQI (US)
58AQI (US)
1st August 2026
62AQI (US)
62AQI (US)
2nd August 2026
54AQI (US)
54AQI (US)
3rd August 2026
14AQI (US)
14AQI (US)
4th August 2026
25AQI (US)
25AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
24AQI (US)
24AQI (US)
7th August 2026
26AQI (US)
26AQI (US)
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
29AQI (US)
36AQI (US)
45AQI (US)
36AQI (US)
40AQI (US)
24AQI (US)
33AQI (US)
33AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
29
2
26
2
17
14
29
1
23
8
30
23
8
5
2
182
37
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202533AQI (US)
31
28
28
3
30
30
1
30
24
7
22
9
30
28
3
22
8
24
7
327
38
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202427AQI (US)
31
29
30
1
30
30
1
30
22
9
31
30
31
30
31
355
11
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202327AQI (US)
31
26
2
31
28
2
31
29
1
30
1
31
30
31
28
1
31
357
7
Highest AQI (US) recorded in
April35AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202228AQI (US)
28
2
20
1
26
5
17
31
30
20
1
1
28
31
30
31
293
9
Highest AQI (US) recorded in
March37AQI (US)
Lowest AQI (US) recorded in
October22AQI (US)
202123AQI (US)
31
28
31
30
27
4
28
2
30
1
28
3
30
31
28
2
29
2
351
14
Highest AQI (US) recorded in
May39AQI (US)
Lowest AQI (US) recorded in
February7AQI (US)
202019AQI (US)
13
21
18
26
4
30
1
26
5
19
31
30
31
245
10
Highest AQI (US) recorded in
August36AQI (US)
Lowest AQI (US) recorded in
September9AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2026(Avg.)
35AQI (US)Least Polluted Year Recorded
2020(Avg.)
19AQI (US)Katsuse's annual 2026 AQI (US) (35) shows an average percentage change of 37.7% (worsened AQI (US)) compared to previous years: 2020 (19), 2021 (23), 2022 (28), 2023 (27), 2024 (27), 2025 (33).
