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
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2021
67AQILowest AQI recorded on
7th Aug 2021
10AQISame Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Katsuse, Atsugicho, Kanagawa, Japan
AQI
Day
Night
.
4 AM10th Aug 2025
6 PM
3 AM11th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
2AM11th Aug
50AQI
Avg. Lowest Time
12PM10th Aug
23AQI
In the last 24 hours,
Katsuse's AQI reached its highest point of 50 at 2 AM during the Night, while the lowest point, 23, was recorded at 12 PM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Katsuse, Atsugicho, Kanagawa, Japan
JulAug
12th - 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 - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025644 AMAQI
12th Jul 2025635 AMAQI
12th Jul 2025636 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025638 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253711 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025553 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025609 PMAQI
12th Jul 20256010 PMAQI
12th Jul 20256011 PMAQI
13th Jul 20256012 AMAQI
13th Jul 2025611 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
24°C21/28°C
13th Jul 2025624 AMAQI
13th Jul 2025625 AMAQI
13th Jul 2025616 AMAQI
13th Jul 2025617 AMAQI
13th Jul 2025618 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254711 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025502 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025457 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255712 AMAQI
14th Jul 2025581 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025603 AMAQI
26°C23/29°C
14th Jul 2025604 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025598 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20252010 AMAQI
14th Jul 20251811 AMAQI
14th Jul 20252412 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025372 PMAQI
14th Jul 2025333 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025396 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025458 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255612 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025583 AMAQI
26°C24/29°C
15th Jul 2025574 AMAQI
15th Jul 2025575 AMAQI
15th Jul 2025576 AMAQI
15th Jul 2025577 AMAQI
15th Jul 2025578 AMAQI
15th Jul 2025379 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252511 AMAQI
15th Jul 20253412 PMAQI
15th Jul 2025471 PMAQI
15th Jul 2025462 PMAQI
15th Jul 2025483 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025465 PMAQI
15th Jul 2025496 PMAQI
15th Jul 2025417 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255511 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025552 AMAQI
16th Jul 2025563 AMAQI
26°C25/28°C
16th Jul 2025564 AMAQI
16th Jul 2025565 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20254510 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20252812 PMAQI
16th Jul 2025401 PMAQI
16th Jul 2025392 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025376 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025428 PMAQI
16th Jul 2025529 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255311 PMAQI
17th Jul 20255312 AMAQI
17th Jul 2025531 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025553 AMAQI
27°C24/29°C
17th Jul 2025544 AMAQI
17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025319 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253711 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025451 PMAQI
17th Jul 2025442 PMAQI
17th Jul 2025413 PMAQI
17th Jul 2025434 PMAQI
17th Jul 2025435 PMAQI
17th Jul 2025446 PMAQI
17th Jul 2025477 PMAQI
17th Jul 2025488 PMAQI
17th Jul 2025519 PMAQI
17th Jul 20255210 PMAQI
17th Jul 20255211 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025532 AMAQI
18th Jul 2025523 AMAQI
27°C25/30°C
18th Jul 2025524 AMAQI
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20252812 PMAQI
18th Jul 2025351 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025367 PMAQI
18th Jul 2025398 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20255110 PMAQI
18th Jul 20255111 PMAQI
19th Jul 20255012 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
27°C24/30°C
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20252610 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20253012 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025247 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025439 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254411 PMAQI
20th Jul 20254412 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025492 AMAQI
20th Jul 2025513 AMAQI
27°C24/30°C
20th Jul 2025504 AMAQI
20th Jul 2025495 AMAQI
20th Jul 2025506 AMAQI
20th Jul 2025497 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252311 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025185 PMAQI
20th Jul 2025176 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20254011 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025411 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025463 AMAQI
28°C25/31°C
21st Jul 2025454 AMAQI
21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025289 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252911 AMAQI
21st Jul 20253512 PMAQI
21st Jul 2025331 PMAQI
21st Jul 2025342 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025339 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20252911 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025371 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
29°C26/32°C
22nd Jul 2025424 AMAQI
22nd Jul 2025405 AMAQI
22nd Jul 2025396 AMAQI
22nd Jul 2025397 AMAQI
22nd Jul 2025408 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20255010 AMAQI
22nd Jul 20255211 AMAQI
22nd Jul 20255512 PMAQI
22nd Jul 2025461 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025413 PMAQI
22nd Jul 2025324 PMAQI
22nd Jul 2025235 PMAQI
22nd Jul 2025156 PMAQI
22nd Jul 2025147 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
29°C26/33°C
23rd Jul 2025384 AMAQI
23rd Jul 2025395 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20253611 AMAQI
23rd Jul 20255512 PMAQI
23rd Jul 2025441 PMAQI
23rd Jul 2025402 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025434 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025286 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025299 PMAQI
23rd Jul 20252910 PMAQI
23rd Jul 20252911 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025332 AMAQI
24th Jul 2025343 AMAQI
29°C26/33°C
24th Jul 2025344 AMAQI
24th Jul 2025375 AMAQI
24th Jul 2025386 AMAQI
24th Jul 2025377 AMAQI
24th Jul 2025378 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20255712 PMAQI
24th Jul 2025421 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025363 PMAQI
24th Jul 2025334 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025276 PMAQI
24th Jul 2025257 PMAQI
24th Jul 2025298 PMAQI
24th Jul 2025339 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025333 AMAQI
29°C26/33°C
25th Jul 2025344 AMAQI
25th Jul 2025355 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025367 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025449 AMAQI
25th Jul 20254010 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20253612 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025264 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025267 PMAQI
25th Jul 2025278 PMAQI
25th Jul 2025309 PMAQI
25th Jul 20253110 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253012 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
29°C26/33°C
26th Jul 2025334 AMAQI
26th Jul 2025345 AMAQI
26th Jul 2025336 AMAQI
26th Jul 2025337 AMAQI
26th Jul 2025338 AMAQI
26th Jul 2025379 AMAQI
26th Jul 20254110 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20253712 PMAQI
26th Jul 2025301 PMAQI
26th Jul 2025292 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025255 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025257 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025299 PMAQI
26th Jul 20252910 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025313 AMAQI
29°C26/33°C
27th Jul 2025324 AMAQI
27th Jul 2025325 AMAQI
27th Jul 2025326 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025269 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252911 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025253 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025238 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025313 AMAQI
29°C26/33°C
28th Jul 2025314 AMAQI
28th Jul 2025315 AMAQI
28th Jul 2025306 AMAQI
28th Jul 2025307 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025339 AMAQI
28th Jul 20254510 AMAQI
28th Jul 20255211 AMAQI
28th Jul 20255312 PMAQI
28th Jul 2025521 PMAQI
28th Jul 2025442 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025205 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252311 PMAQI
29th Jul 20252512 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025303 AMAQI
29°C26/33°C
29th Jul 2025304 AMAQI
29th Jul 2025335 AMAQI
29th Jul 2025326 AMAQI
29th Jul 2025327 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025469 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20256011 AMAQI
29th Jul 20255112 PMAQI
29th Jul 2025401 PMAQI
29th Jul 2025462 PMAQI
29th Jul 2025473 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025256 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025259 PMAQI
29th Jul 20252510 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025303 AMAQI
29°C25/34°C
30th Jul 2025314 AMAQI
30th Jul 2025335 AMAQI
30th Jul 2025336 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025338 AMAQI
30th Jul 2025239 AMAQI
30th Jul 20252110 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20252812 PMAQI
30th Jul 2025271 PMAQI
30th Jul 2025272 PMAQI
30th Jul 2025323 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025326 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253110 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025273 AMAQI
29°C26/35°C
31st Jul 2025284 AMAQI
31st Jul 2025285 AMAQI
31st Jul 2025286 AMAQI
31st Jul 2025287 AMAQI
31st Jul 2025288 AMAQI
31st Jul 2025289 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20253911 AMAQI
31st Jul 20254712 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025472 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025364 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025256 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025279 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025342 AMAQI
1st Aug 2025353 AMAQI
28°C25/33°C
1st Aug 2025354 AMAQI
1st Aug 2025355 AMAQI
1st Aug 2025366 AMAQI
1st Aug 2025377 AMAQI
1st Aug 2025378 AMAQI
1st Aug 2025389 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254311 AMAQI
1st Aug 20254512 PMAQI
1st Aug 2025401 PMAQI
1st Aug 2025362 PMAQI
1st Aug 2025313 PMAQI
1st Aug 2025404 PMAQI
1st Aug 2025325 PMAQI
1st Aug 2025426 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252812 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025362 AMAQI
2nd Aug 2025363 AMAQI
27°C25/31°C
2nd Aug 2025384 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025396 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025339 AMAQI
2nd Aug 20253610 AMAQI
2nd Aug 20254311 AMAQI
2nd Aug 20254212 PMAQI
2nd Aug 2025511 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025505 PMAQI
2nd Aug 2025566 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
30°C26/34°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025396 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025459 AMAQI
3rd Aug 20255010 AMAQI
3rd Aug 20255811 AMAQI
3rd Aug 20256112 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025513 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025505 PMAQI
3rd Aug 2025536 PMAQI
3rd Aug 2025477 PMAQI
3rd Aug 2025478 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254011 PMAQI
4th Aug 20254012 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025382 AMAQI
4th Aug 2025393 AMAQI
30°C27/35°C
4th Aug 2025434 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025649 AMAQI
4th Aug 20257210 AMAQI
4th Aug 20258211 AMAQI
4th Aug 20258412 PMAQI
4th Aug 2025941 PMAQI
4th Aug 20251032 PMAQI
4th Aug 2025923 PMAQI
4th Aug 2025904 PMAQI
4th Aug 2025975 PMAQI
4th Aug 2025806 PMAQI
4th Aug 2025787 PMAQI
4th Aug 2025668 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025413 AMAQI
30°C27/35°C
5th Aug 2025514 AMAQI
5th Aug 2025555 AMAQI
5th Aug 2025546 AMAQI
5th Aug 2025527 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20256211 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025571 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025553 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025505 PMAQI
5th Aug 2025426 PMAQI
5th Aug 2025467 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025469 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
31°C27/36°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025449 AMAQI
6th Aug 20254210 AMAQI
6th Aug 20254211 AMAQI
6th Aug 20255212 PMAQI
6th Aug 2025501 PMAQI
6th Aug 2025522 PMAQI
6th Aug 2025513 PMAQI
6th Aug 2025524 PMAQI
6th Aug 2025565 PMAQI
6th Aug 2025546 PMAQI
6th Aug 2025577 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025499 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20254511 PMAQI
7th Aug 20254812 AMAQI
7th Aug 2025481 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI
32°C29/35°C
7th Aug 2025524 AMAQI
7th Aug 2025515 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025457 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025479 AMAQI
7th Aug 20254810 AMAQI
7th Aug 20255111 AMAQI
7th Aug 20253612 PMAQI
7th Aug 2025301 PMAQI
7th Aug 2025282 PMAQI
7th Aug 2025283 PMAQI
7th Aug 2025464 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025486 PMAQI
7th Aug 2025497 PMAQI
7th Aug 2025478 PMAQI
7th Aug 2025499 PMAQI
7th Aug 20255210 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025511 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025503 AMAQI
31°C28/34°C
8th Aug 2025504 AMAQI
8th Aug 2025485 AMAQI
8th Aug 2025496 AMAQI
8th Aug 2025497 AMAQI
8th Aug 2025498 AMAQI
8th Aug 2025489 AMAQI
8th Aug 20254610 AMAQI
8th Aug 20255111 AMAQI
8th Aug 20255512 PMAQI
8th Aug 2025541 PMAQI
8th Aug 2025562 PMAQI
8th Aug 2025483 PMAQI
8th Aug 2025264 PMAQI
8th Aug 2025245 PMAQI
8th Aug 2025246 PMAQI
8th Aug 2025267 PMAQI
8th Aug 2025308 PMAQI
8th Aug 2025399 PMAQI
8th Aug 20254010 PMAQI
8th Aug 20253811 PMAQI
9th Aug 20253912 AMAQI
9th Aug 2025461 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025513 AMAQI
29°C25/34°C
9th Aug 2025514 AMAQI
9th Aug 2025505 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025517 AMAQI
9th Aug 2025518 AMAQI
9th Aug 2025309 AMAQI
9th Aug 20252110 AMAQI
9th Aug 20253111 AMAQI
9th Aug 20254212 PMAQI
9th Aug 2025361 PMAQI
9th Aug 2025352 PMAQI
9th Aug 2025343 PMAQI
9th Aug 2025404 PMAQI
9th Aug 2025565 PMAQI
9th Aug 2025546 PMAQI
9th Aug 2025547 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025549 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255012 AMAQI
10th Aug 2025501 AMAQI
10th Aug 2025482 AMAQI
10th Aug 2025483 AMAQI
28°C25/31°C
10th Aug 2025484 AMAQI
10th Aug 2025465 AMAQI
10th Aug 2025456 AMAQI
10th Aug 2025457 AMAQI
10th Aug 2025458 AMAQI
10th Aug 2025419 AMAQI
10th Aug 20253410 AMAQI
10th Aug 20252811 AMAQI
10th Aug 20252312 PMAQI
10th Aug 2025281 PMAQI
10th Aug 2025292 PMAQI
10th Aug 2025283 PMAQI
10th Aug 2025274 PMAQI
10th Aug 2025305 PMAQI
10th Aug 2025286 PMAQI
10th Aug 2025287 PMAQI
10th Aug 2025328 PMAQI
10th Aug 2025459 PMAQI
10th Aug 20254710 PMAQI
10th Aug 20254811 PMAQI
11th Aug 20254712 AMAQI
11th Aug 2025481 AMAQI
11th Aug 2025502 AMAQI
11th Aug 2025503 AMAQI
--°C/°C
11th Aug 2025504 AMAQI
4 AM11th Aug 2025485 AMAQI
11th Aug 2025476 AMAQI
11th Aug 2025477 AMAQI
11th Aug 2025478 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
45AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
10 AM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 45), while the lowest AQI was between 10 AM to 10 AM (Avg. 37).
Night time
Avg. Highest Time
12 AM - 3 AM
43AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 43), while the lowest AQI was between 7 PM to 8 PM (Avg. 37).
2025 Days Vs Air Quality
Katsuse, Atsugicho, Kanagawa, Japan
2025
94%
209
6%
13
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
209 DaysModerate
13 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 222 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Katsuse, Atsugicho, Kanagawa, Japan
AQI levels in 2025
AQI
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.
1st January 2025
27AQI
27AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
22AQI
22AQI
4th January 2025
25AQI
25AQI
5th January 2025
22AQI
22AQI
6th January 2025
49AQI
49AQI
7th January 2025
31AQI
31AQI
8th January 2025
34AQI
34AQI
9th January 2025
29AQI
29AQI
10th January 2025
26AQI
26AQI
11th January 2025
25AQI
25AQI
12th January 2025
25AQI
25AQI
13th January 2025
30AQI
30AQI
14th January 2025
26AQI
26AQI
15th January 2025
30AQI
30AQI
16th January 2025
22AQI
22AQI
17th January 2025
25AQI
25AQI
18th January 2025
26AQI
26AQI
19th January 2025
28AQI
28AQI
20th January 2025
28AQI
28AQI
21st January 2025
30AQI
30AQI
22nd January 2025
36AQI
36AQI
23rd January 2025
38AQI
38AQI
24th January 2025
36AQI
36AQI
25th January 2025
36AQI
36AQI
26th January 2025
32AQI
32AQI
27th January 2025
30AQI
30AQI
28th January 2025
28AQI
28AQI
29th January 2025
28AQI
28AQI
30th January 2025
25AQI
25AQI
31st January 2025
25AQI
25AQI
1st February 2025
22AQI
22AQI
2nd February 2025
22AQI
22AQI
3rd February 2025
30AQI
30AQI
4th February 2025
30AQI
30AQI
5th February 2025
29AQI
29AQI
6th February 2025
27AQI
27AQI
7th February 2025
27AQI
27AQI
8th February 2025
27AQI
27AQI
9th February 2025
27AQI
27AQI
10th February 2025
26AQI
26AQI
11th February 2025
27AQI
27AQI
12th February 2025
27AQI
27AQI
13th February 2025
31AQI
31AQI
14th February 2025
26AQI
26AQI
15th February 2025
28AQI
28AQI
16th February 2025
30AQI
30AQI
17th February 2025
33AQI
33AQI
18th February 2025
28AQI
28AQI
19th February 2025
28AQI
28AQI
20th February 2025
27AQI
27AQI
21st February 2025
29AQI
29AQI
22nd February 2025
28AQI
28AQI
23rd February 2025
30AQI
30AQI
24th February 2025
30AQI
30AQI
25th February 2025
31AQI
31AQI
26th February 2025
32AQI
32AQI
27th February 2025
35AQI
35AQI
28th February 2025
38AQI
38AQI
1st March 2025
54AQI
54AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
39AQI
39AQI
4th March 2025
30AQI
30AQI
5th March 2025
26AQI
26AQI
6th March 2025
25AQI
25AQI
7th March 2025
30AQI
30AQI
8th March 2025
29AQI
29AQI
9th March 2025
34AQI
34AQI
10th March 2025
31AQI
31AQI
11th March 2025
31AQI
31AQI
12th March 2025
30AQI
30AQI
13th March 2025
34AQI
34AQI
14th March 2025
24AQI
24AQI
15th March 2025
21AQI
21AQI
16th March 2025
16AQI
16AQI
17th March 2025
15AQI
15AQI
18th March 2025
15AQI
15AQI
19th March 2025
14AQI
14AQI
20th March 2025
16AQI
16AQI
21st March 2025
23AQI
23AQI
22nd March 2025
24AQI
24AQI
23rd March 2025
27AQI
27AQI
24th March 2025
28AQI
28AQI
25th March 2025
43AQI
43AQI
26th March 2025
56AQI
56AQI
27th March 2025
52AQI
52AQI
28th March 2025
35AQI
35AQI
29th March 2025
29AQI
29AQI
30th March 2025
28AQI
28AQI
31st March 2025
28AQI
28AQI
1st April 2025
21AQI
21AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
17AQI
17AQI
4th April 2025
18AQI
18AQI
5th April 2025
17AQI
17AQI
6th April 2025
14AQI
14AQI
7th April 2025
16AQI
16AQI
8th April 2025
20AQI
20AQI
9th April 2025
20AQI
20AQI
10th April 2025
21AQI
21AQI
11th April 2025
22AQI
22AQI
12th April 2025
22AQI
22AQI
13th April 2025
17AQI
17AQI
14th April 2025
22AQI
22AQI
15th April 2025
19AQI
19AQI
16th April 2025
19AQI
19AQI
17th April 2025
24AQI
24AQI
18th April 2025
27AQI
27AQI
19th April 2025
32AQI
32AQI
20th April 2025
25AQI
25AQI
21st April 2025
22AQI
22AQI
22nd April 2025
20AQI
20AQI
23rd April 2025
17AQI
17AQI
24th April 2025
16AQI
16AQI
25th April 2025
17AQI
17AQI
26th April 2025
19AQI
19AQI
27th April 2025
20AQI
20AQI
28th April 2025
19AQI
19AQI
29th April 2025
15AQI
15AQI
30th April 2025
19AQI
19AQI
1st May 2025
19AQI
19AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
17AQI
17AQI
4th May 2025
26AQI
26AQI
5th May 2025
21AQI
21AQI
6th May 2025
18AQI
18AQI
7th May 2025
17AQI
17AQI
8th May 2025
19AQI
19AQI
9th May 2025
18AQI
18AQI
10th May 2025
15AQI
15AQI
11th May 2025
18AQI
18AQI
12th May 2025
16AQI
16AQI
13th May 2025
20AQI
20AQI
14th May 2025
20AQI
20AQI
15th May 2025
21AQI
21AQI
16th May 2025
22AQI
22AQI
17th May 2025
18AQI
18AQI
18th May 2025
24AQI
24AQI
19th May 2025
29AQI
29AQI
20th May 2025
55AQI
55AQI
21st May 2025
35AQI
35AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
28AQI
28AQI
24th May 2025
27AQI
27AQI
25th May 2025
19AQI
19AQI
26th May 2025
20AQI
20AQI
27th May 2025
22AQI
22AQI
28th May 2025
17AQI
17AQI
29th May 2025
19AQI
19AQI
30th May 2025
16AQI
16AQI
31st May 2025
14AQI
14AQI
1st June 2025
14AQI
14AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
19AQI
19AQI
4th June 2025
17AQI
17AQI
5th June 2025
23AQI
23AQI
6th June 2025
24AQI
24AQI
7th June 2025
38AQI
38AQI
8th June 2025
33AQI
33AQI
9th June 2025
27AQI
27AQI
10th June 2025
21AQI
21AQI
11th June 2025
21AQI
21AQI
12th June 2025
24AQI
24AQI
13th June 2025
22AQI
22AQI
14th June 2025
19AQI
19AQI
15th June 2025
20AQI
20AQI
16th June 2025
20AQI
20AQI
17th June 2025
27AQI
27AQI
18th June 2025
26AQI
26AQI
19th June 2025
27AQI
27AQI
20th June 2025
26AQI
26AQI
21st June 2025
24AQI
24AQI
22nd June 2025
19AQI
19AQI
23rd June 2025
16AQI
16AQI
24th June 2025
17AQI
17AQI
25th June 2025
18AQI
18AQI
26th June 2025
16AQI
16AQI
27th June 2025
18AQI
18AQI
28th June 2025
18AQI
18AQI
29th June 2025
20AQI
20AQI
30th June 2025
31AQI
31AQI
1st July 2025
33AQI
33AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
40AQI
40AQI
4th July 2025
39AQI
39AQI
5th July 2025
44AQI
44AQI
6th July 2025
50AQI
50AQI
7th July 2025
66AQI
66AQI
8th July 2025
70AQI
70AQI
9th July 2025
74AQI
74AQI
10th July 2025
60AQI
60AQI
11th July 2025
55AQI
55AQI
12th July 2025
58AQI
58AQI
13th July 2025
55AQI
55AQI
14th July 2025
48AQI
48AQI
15th July 2025
50AQI
50AQI
16th July 2025
49AQI
49AQI
17th July 2025
49AQI
49AQI
18th July 2025
44AQI
44AQI
19th July 2025
41AQI
41AQI
20th July 2025
35AQI
35AQI
21st July 2025
35AQI
35AQI
22nd July 2025
34AQI
34AQI
23rd July 2025
33AQI
33AQI
24th July 2025
35AQI
35AQI
25th July 2025
31AQI
31AQI
26th July 2025
30AQI
30AQI
27th July 2025
27AQI
27AQI
28th July 2025
30AQI
30AQI
29th July 2025
34AQI
34AQI
30th July 2025
29AQI
29AQI
31st July 2025
31AQI
31AQI
1st August 2025
34AQI
34AQI
2nd August 2025
41AQI
41AQI
3rd August 2025
45AQI
45AQI
4th August 2025
63AQI
63AQI
5th August 2025
50AQI
50AQI
6th August 2025
51AQI
51AQI
7th August 2025
47AQI
47AQI
8th August 2025
43AQI
43AQI
9th August 2025
45AQI
45AQI
10th August 2025
50AQI
50AQI
29AQI
29AQI
30AQI
20AQI
22AQI
22AQI
43AQI
47AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
28
3
30
30
1
30
24
7
8
2
209
13
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
April20AQI
202427AQI
31
29
30
1
30
30
1
30
22
9
31
30
31
30
31
355
11
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
September21AQI
202327AQI
31
26
2
31
28
2
31
29
1
30
1
31
30
31
28
1
31
357
7
Highest AQI recorded in
April35AQI
Lowest AQI recorded in
August19AQI
202228AQI
28
2
20
1
26
5
17
31
30
20
1
1
28
31
30
31
293
9
Highest AQI recorded in
March37AQI
Lowest AQI recorded in
October22AQI
202123AQI
31
28
31
30
27
4
28
2
30
1
28
3
30
31
28
2
29
2
351
14
Highest AQI recorded in
May39AQI
Lowest AQI recorded in
February7AQI
202019AQI
13
21
18
26
4
30
1
26
5
19
31
30
31
245
10
Highest AQI recorded in
August36AQI
Lowest AQI recorded in
September9AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
29AQILeast Polluted Year Recorded
2020(Avg.)
19AQIKatsuse's annual 2025 AQI (29) shows an average percentage change of 18.03% (worsened AQI) compared to previous years: 2020 (19), 2021 (23), 2022 (28), 2023 (27), 2024 (27).
