4 chome, Yokosuka, 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
4 chome, Yokosuka, Kanagawa, Japan
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2025
35AQILowest AQI recorded on
1st Aug 2025
33AQISame Day Analysis (2nd August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 35 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
4 chome, Yokosuka, Kanagawa, Japan
AQI
Day
Night
.
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
12PM3rd Aug
58AQI
Avg. Lowest Time
12AM4th Aug
37AQI
In the last 24 hours,
4 chome's AQI reached its highest point of 58 at 12 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
4 chome, Yokosuka, Kanagawa, 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 - 04th04th
Day
Night
5th Jul 2025364 AMAQI
5th Jul 2025425 AMAQI
5th Jul 2025596 AMAQI
5th Jul 2025577 AMAQI
5th Jul 2025588 AMAQI
5th Jul 2025609 AMAQI
5th Jul 20255610 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255612 PMAQI
5th Jul 2025591 PMAQI
5th Jul 2025602 PMAQI
5th Jul 2025623 PMAQI
5th Jul 2025624 PMAQI
5th Jul 2025565 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025527 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025519 PMAQI
5th Jul 20253810 PMAQI
5th Jul 20253711 PMAQI
6th Jul 20253712 AMAQI
6th Jul 2025391 AMAQI
6th Jul 2025432 AMAQI
6th Jul 2025423 AMAQI
26°C25/27°C
6th Jul 2025434 AMAQI
6th Jul 2025425 AMAQI
6th Jul 2025646 AMAQI
6th Jul 2025727 AMAQI
6th Jul 2025798 AMAQI
6th Jul 2025729 AMAQI
6th Jul 20257710 AMAQI
6th Jul 20257211 AMAQI
6th Jul 20257412 PMAQI
6th Jul 2025761 PMAQI
6th Jul 2025792 PMAQI
6th Jul 2025803 PMAQI
6th Jul 2025824 PMAQI
6th Jul 2025705 PMAQI
6th Jul 2025606 PMAQI
6th Jul 2025617 PMAQI
6th Jul 2025608 PMAQI
6th Jul 2025609 PMAQI
6th Jul 20255010 PMAQI
6th Jul 20254711 PMAQI
7th Jul 20254812 AMAQI
7th Jul 2025511 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025543 AMAQI
27°C26/29°C
7th Jul 2025544 AMAQI
7th Jul 2025685 AMAQI
7th Jul 20251106 AMAQI
7th Jul 20251147 AMAQI
7th Jul 20251208 AMAQI
7th Jul 20251159 AMAQI
7th Jul 20258610 AMAQI
7th Jul 20257211 AMAQI
7th Jul 20256912 PMAQI
7th Jul 2025691 PMAQI
7th Jul 2025902 PMAQI
7th Jul 20251053 PMAQI
7th Jul 20251004 PMAQI
7th Jul 2025815 PMAQI
7th Jul 2025746 PMAQI
7th Jul 2025747 PMAQI
7th Jul 2025738 PMAQI
7th Jul 2025769 PMAQI
7th Jul 20256010 PMAQI
7th Jul 20255911 PMAQI
8th Jul 20255912 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025672 AMAQI
8th Jul 2025673 AMAQI
27°C26/28°C
8th Jul 2025684 AMAQI
8th Jul 2025785 AMAQI
8th Jul 20251086 AMAQI
8th Jul 20251047 AMAQI
8th Jul 20251018 AMAQI
8th Jul 2025929 AMAQI
8th Jul 20258210 AMAQI
8th Jul 20256611 AMAQI
8th Jul 20256612 PMAQI
8th Jul 2025651 PMAQI
8th Jul 2025642 PMAQI
8th Jul 2025813 PMAQI
8th Jul 2025844 PMAQI
8th Jul 2025795 PMAQI
8th Jul 2025786 PMAQI
8th Jul 2025787 PMAQI
8th Jul 2025788 PMAQI
8th Jul 2025799 PMAQI
8th Jul 20256810 PMAQI
8th Jul 20256611 PMAQI
9th Jul 20256612 AMAQI
9th Jul 2025701 AMAQI
9th Jul 2025722 AMAQI
9th Jul 2025733 AMAQI
26°C26/27°C
9th Jul 2025734 AMAQI
9th Jul 2025745 AMAQI
9th Jul 2025786 AMAQI
9th Jul 20251067 AMAQI
9th Jul 2025918 AMAQI
9th Jul 2025909 AMAQI
9th Jul 20259210 AMAQI
9th Jul 20256911 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025541 PMAQI
9th Jul 2025552 PMAQI
9th Jul 2025543 PMAQI
9th Jul 2025567 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256410 PMAQI
9th Jul 20256411 PMAQI
10th Jul 20256412 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025713 AMAQI
27°C26/27°C
10th Jul 2025714 AMAQI
10th Jul 2025745 AMAQI
10th Jul 2025746 AMAQI
10th Jul 2025747 AMAQI
10th Jul 2025748 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20251810 AMAQI
10th Jul 20252511 AMAQI
10th Jul 20252812 PMAQI
10th Jul 2025421 PMAQI
10th Jul 2025422 PMAQI
10th Jul 2025413 PMAQI
10th Jul 2025434 PMAQI
10th Jul 2025425 PMAQI
10th Jul 2025426 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025488 PMAQI
10th Jul 2025609 PMAQI
10th Jul 20256210 PMAQI
10th Jul 20256211 PMAQI
11th Jul 20256212 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025692 AMAQI
11th Jul 2025683 AMAQI
27°C24/28°C
11th Jul 2025684 AMAQI
11th Jul 2025665 AMAQI
11th Jul 2025646 AMAQI
11th Jul 2025647 AMAQI
11th Jul 2025648 AMAQI
11th Jul 2025319 AMAQI
11th Jul 20252110 AMAQI
11th Jul 20252211 AMAQI
11th Jul 20252612 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025472 PMAQI
11th Jul 2025493 PMAQI
11th Jul 2025484 PMAQI
11th Jul 2025465 PMAQI
11th Jul 2025456 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025498 PMAQI
11th Jul 2025599 PMAQI
11th Jul 20256010 PMAQI
11th Jul 20256211 PMAQI
12th Jul 20256012 AMAQI
12th Jul 2025621 AMAQI
12th Jul 2025642 AMAQI
12th Jul 2025653 AMAQI
24°C23/25°C
12th Jul 2025644 AMAQI
12th Jul 2025635 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025637 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025419 AMAQI
12th Jul 20253710 AMAQI
12th Jul 20254511 AMAQI
12th Jul 20254512 PMAQI
12th Jul 2025501 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025533 PMAQI
12th Jul 2025544 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255811 PMAQI
13th Jul 20255812 AMAQI
13th Jul 2025591 AMAQI
13th Jul 2025612 AMAQI
13th Jul 2025613 AMAQI
24°C22/26°C
13th Jul 2025614 AMAQI
13th Jul 2025605 AMAQI
13th Jul 2025606 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025608 AMAQI
13th Jul 2025559 AMAQI
13th Jul 20255410 AMAQI
13th Jul 20255211 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025521 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025453 PMAQI
13th Jul 2025454 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025387 PMAQI
13th Jul 2025418 PMAQI
13th Jul 2025559 PMAQI
13th Jul 20255610 PMAQI
13th Jul 20255611 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025571 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
25°C24/28°C
14th Jul 2025594 AMAQI
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025299 AMAQI
14th Jul 20252510 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252012 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025312 PMAQI
14th Jul 2025293 PMAQI
14th Jul 2025334 PMAQI
14th Jul 2025355 PMAQI
14th Jul 2025356 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025358 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255410 PMAQI
14th Jul 20255411 PMAQI
15th Jul 20255412 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
26°C25/27°C
15th Jul 2025564 AMAQI
15th Jul 2025565 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20252010 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025343 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255311 PMAQI
16th Jul 20255412 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
27°C26/27°C
16th Jul 2025554 AMAQI
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20252410 AMAQI
16th Jul 20252211 AMAQI
16th Jul 20252112 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025362 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025354 PMAQI
16th Jul 2025395 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025347 PMAQI
16th Jul 2025368 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255211 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025543 AMAQI
26°C25/27°C
17th Jul 2025544 AMAQI
17th Jul 2025535 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20253410 AMAQI
17th Jul 20253511 AMAQI
17th Jul 20253612 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025385 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025418 PMAQI
17th Jul 2025499 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20255111 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025511 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
26°C26/27°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 20252610 AMAQI
18th Jul 20253311 AMAQI
18th Jul 20253512 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025332 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025326 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025348 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20255010 PMAQI
18th Jul 20255011 PMAQI
19th Jul 20255012 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
26°C26/26°C
19th Jul 2025524 AMAQI
19th Jul 2025525 AMAQI
19th Jul 2025526 AMAQI
19th Jul 2025527 AMAQI
19th Jul 2025528 AMAQI
19th Jul 2025309 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20251811 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025241 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025233 PMAQI
19th Jul 2025234 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025278 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254312 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025513 AMAQI
26°C26/27°C
20th Jul 2025504 AMAQI
20th Jul 2025485 AMAQI
20th Jul 2025506 AMAQI
20th Jul 2025487 AMAQI
20th Jul 2025498 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025251 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025223 PMAQI
20th Jul 2025244 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025236 PMAQI
20th Jul 2025227 PMAQI
20th Jul 2025298 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025443 AMAQI
27°C26/27°C
21st Jul 2025444 AMAQI
21st Jul 2025415 AMAQI
21st Jul 2025416 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252212 PMAQI
21st Jul 2025291 PMAQI
21st Jul 2025302 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025274 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025227 PMAQI
21st Jul 2025258 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025402 AMAQI
22nd Jul 2025403 AMAQI
27°C26/27°C
22nd Jul 2025394 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20253011 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025271 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025244 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025177 PMAQI
22nd Jul 2025208 PMAQI
22nd Jul 2025289 PMAQI
22nd Jul 20253010 PMAQI
22nd Jul 20252911 PMAQI
23rd Jul 20253012 AMAQI
23rd Jul 2025331 AMAQI
23rd Jul 2025362 AMAQI
23rd Jul 2025363 AMAQI
27°C26/27°C
23rd Jul 2025364 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025229 AMAQI
23rd Jul 20251910 AMAQI
23rd Jul 20252211 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025281 PMAQI
23rd Jul 2025272 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025234 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025248 PMAQI
23rd Jul 2025279 PMAQI
23rd Jul 20252810 PMAQI
23rd Jul 20252911 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025291 AMAQI
24th Jul 2025322 AMAQI
24th Jul 2025333 AMAQI
27°C26/27°C
24th Jul 2025324 AMAQI
24th Jul 2025325 AMAQI
24th Jul 2025316 AMAQI
24th Jul 2025327 AMAQI
24th Jul 2025318 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20253710 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254112 PMAQI
24th Jul 2025341 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025233 PMAQI
24th Jul 2025204 PMAQI
24th Jul 2025205 PMAQI
24th Jul 2025216 PMAQI
24th Jul 2025207 PMAQI
24th Jul 2025228 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025313 AMAQI
27°C26/28°C
25th Jul 2025314 AMAQI
25th Jul 2025335 AMAQI
25th Jul 2025336 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025338 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252010 AMAQI
25th Jul 20251911 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025251 PMAQI
25th Jul 2025232 PMAQI
25th Jul 2025213 PMAQI
25th Jul 2025214 PMAQI
25th Jul 2025195 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025187 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025269 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252811 PMAQI
26th Jul 20252712 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025313 AMAQI
27°C27/28°C
26th Jul 2025304 AMAQI
26th Jul 2025295 AMAQI
26th Jul 2025286 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025298 AMAQI
26th Jul 2025249 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251711 AMAQI
26th Jul 20251912 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025252 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025204 PMAQI
26th Jul 2025215 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025217 PMAQI
26th Jul 2025228 PMAQI
26th Jul 2025269 PMAQI
26th Jul 20252710 PMAQI
26th Jul 20252711 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025302 AMAQI
27th Jul 2025303 AMAQI
27°C27/28°C
27th Jul 2025294 AMAQI
27th Jul 2025285 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20252111 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025211 PMAQI
27th Jul 2025202 PMAQI
27th Jul 2025213 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252612 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025293 AMAQI
27°C27/28°C
28th Jul 2025294 AMAQI
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025259 AMAQI
28th Jul 20252510 AMAQI
28th Jul 20253911 AMAQI
28th Jul 20254312 PMAQI
28th Jul 2025371 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025213 PMAQI
28th Jul 2025194 PMAQI
28th Jul 2025185 PMAQI
28th Jul 2025196 PMAQI
28th Jul 2025167 PMAQI
28th Jul 2025188 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252310 PMAQI
28th Jul 20252511 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
27°C26/27°C
29th Jul 2025284 AMAQI
29th Jul 2025285 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025259 AMAQI
29th Jul 20252810 AMAQI
29th Jul 20253311 AMAQI
29th Jul 20253612 PMAQI
29th Jul 2025411 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025259 PMAQI
29th Jul 20252510 PMAQI
29th Jul 20252511 PMAQI
30th Jul 20252612 AMAQI
30th Jul 2025271 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
27°C26/30°C
30th Jul 2025284 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025288 AMAQI
30th Jul 2025219 AMAQI
30th Jul 20252010 AMAQI
30th Jul 20252611 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025311 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025294 PMAQI
30th Jul 2025275 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20253010 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20252812 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025293 AMAQI
28°C26/31°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 20253711 AMAQI
31st Jul 20253812 PMAQI
31st Jul 2025351 PMAQI
31st Jul 2025352 PMAQI
31st Jul 2025333 PMAQI
31st Jul 2025314 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025246 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025289 PMAQI
31st Jul 20252910 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025321 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025313 AMAQI
27°C25/29°C
1st Aug 2025324 AMAQI
1st Aug 2025335 AMAQI
1st Aug 2025346 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20252910 AMAQI
1st Aug 20254411 AMAQI
1st Aug 20254512 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025402 PMAQI
1st Aug 2025383 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025285 PMAQI
1st Aug 2025436 PMAQI
1st Aug 2025277 PMAQI
1st Aug 2025288 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20253010 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025301 AMAQI
2nd Aug 2025352 AMAQI
2nd Aug 2025363 AMAQI
27°C26/29°C
2nd Aug 2025384 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025376 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025429 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20253912 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025552 PMAQI
2nd Aug 2025543 PMAQI
2nd Aug 2025554 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025546 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025369 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20253911 PMAQI
3rd Aug 20253312 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025373 AMAQI
27°C26/28°C
3rd Aug 2025394 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025386 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025419 AMAQI
3rd Aug 20255210 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255812 PMAQI
3rd Aug 2025551 PMAQI
3rd Aug 2025572 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025484 PMAQI
3rd Aug 2025465 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025547 PMAQI
3rd Aug 2025518 PMAQI
3rd Aug 2025419 PMAQI
3rd Aug 20254410 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20253712 AMAQI
4th Aug 2025381 AMAQI
--°C/°C
4 AM
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 AM
51AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
10 AM - 12 PM
37AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 51), while the lowest AQI was between 10 AM to 12 PM (Avg. 37).
Night time
Avg. Highest Time
2 AM - 3 AM
46AQI
2 hours / Day
60 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 2 AM to 3 AM (Avg. 46), while the lowest AQI was between 7 PM to 8 PM (Avg. 37).
2025 Days Vs Air Quality
4 chome, Yokosuka, Kanagawa, Japan
2025
88%
58
12%
8
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
58 DaysModerate
8 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% 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
4 chome, Yokosuka, 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 May 2025
20AQI
20AQI
2nd May 2025
18AQI
18AQI
3rd May 2025
14AQI
14AQI
1st June 2025
17AQI
17AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
25AQI
25AQI
4th June 2025
24AQI
24AQI
5th June 2025
33AQI
33AQI
6th June 2025
34AQI
34AQI
7th June 2025
39AQI
39AQI
8th June 2025
47AQI
47AQI
9th June 2025
27AQI
27AQI
10th June 2025
27AQI
27AQI
11th June 2025
26AQI
26AQI
12th June 2025
32AQI
32AQI
13th June 2025
29AQI
29AQI
14th June 2025
25AQI
25AQI
15th June 2025
30AQI
30AQI
16th June 2025
28AQI
28AQI
17th June 2025
32AQI
32AQI
18th June 2025
36AQI
36AQI
19th June 2025
34AQI
34AQI
20th June 2025
31AQI
31AQI
21st June 2025
24AQI
24AQI
22nd June 2025
18AQI
18AQI
23rd June 2025
16AQI
16AQI
24th June 2025
16AQI
16AQI
25th June 2025
17AQI
17AQI
26th June 2025
16AQI
16AQI
27th June 2025
20AQI
20AQI
28th June 2025
23AQI
23AQI
29th June 2025
25AQI
25AQI
30th June 2025
30AQI
30AQI
1st July 2025
31AQI
31AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
33AQI
33AQI
4th July 2025
36AQI
36AQI
5th July 2025
47AQI
47AQI
6th July 2025
56AQI
56AQI
7th July 2025
72AQI
72AQI
8th July 2025
73AQI
73AQI
9th July 2025
68AQI
68AQI
10th July 2025
56AQI
56AQI
11th July 2025
55AQI
55AQI
12th July 2025
57AQI
57AQI
13th July 2025
54AQI
54AQI
14th July 2025
46AQI
46AQI
15th July 2025
47AQI
47AQI
16th July 2025
46AQI
46AQI
17th July 2025
47AQI
47AQI
18th July 2025
44AQI
44AQI
19th July 2025
39AQI
39AQI
20th July 2025
36AQI
36AQI
21st July 2025
34AQI
34AQI
22nd July 2025
30AQI
30AQI
23rd July 2025
29AQI
29AQI
24th July 2025
29AQI
29AQI
25th July 2025
26AQI
26AQI
26th July 2025
26AQI
26AQI
27th July 2025
25AQI
25AQI
28th July 2025
26AQI
26AQI
29th July 2025
27AQI
27AQI
30th July 2025
28AQI
28AQI
31st July 2025
29AQI
29AQI
1st August 2025
33AQI
33AQI
2nd August 2025
35AQI
35AQI
17AQI
27AQI
42AQI
34AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
3
30
23
8
2
58
8
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
May17AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
34AQILeast Polluted Year Recorded
2025(Avg.)
34AQI4 chome's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
