Yokosuka, Iwata, Shizuoka, 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
Yokosuka, Iwata, Shizuoka, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
66AQILowest AQI recorded on
24th Aug 2023
9AQISame Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Yokosuka, Iwata, Shizuoka, Japan
AQI
Day
Night
.
4 AM12th Aug 2025
6 PM
3 AM13th Aug 2025
Day time
Avg. Highest Time
5AM12th Aug
43AQI
Avg. Lowest Time
9AM12th Aug
25AQI
Night time
Avg. Highest Time
4AM12th Aug
44AQI
Avg. Lowest Time
7PM12th Aug
29AQI
In the last 24 hours,
Yokosuka's AQI reached its highest point of 44 at 4 AM during the Night, while the lowest point, 25, was recorded at 9 AM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yokosuka, Iwata, Shizuoka, Japan
JulAug
14th - 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 - 12th12th - 13th13th
Day
Night
14th Jul 2025584 AMAQI
14th Jul 2025565 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025379 AMAQI
14th Jul 20252810 AMAQI
14th Jul 20252411 AMAQI
14th Jul 20252212 PMAQI
14th Jul 2025301 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025273 PMAQI
14th Jul 2025294 PMAQI
14th Jul 2025275 PMAQI
14th Jul 2025306 PMAQI
14th Jul 2025287 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025519 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025553 AMAQI
27°C24/31°C
15th Jul 2025554 AMAQI
15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252611 AMAQI
15th Jul 20252612 PMAQI
15th Jul 2025361 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025405 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025337 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
27°C25/29°C
16th Jul 2025544 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025539 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20253812 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025413 PMAQI
16th Jul 2025374 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025387 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025499 PMAQI
16th Jul 20254910 PMAQI
16th Jul 20254811 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
26°C24/29°C
17th Jul 2025534 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025419 AMAQI
17th Jul 20254110 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20254012 PMAQI
17th Jul 2025401 PMAQI
17th Jul 2025422 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025395 PMAQI
17th Jul 2025396 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025479 PMAQI
17th Jul 20254710 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254712 AMAQI
18th Jul 2025511 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
25°C24/28°C
18th Jul 2025524 AMAQI
18th Jul 2025525 AMAQI
18th Jul 2025516 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025518 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025293 PMAQI
18th Jul 2025324 PMAQI
18th Jul 2025315 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025307 PMAQI
18th Jul 2025358 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254310 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025481 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025493 AMAQI
26°C23/29°C
19th Jul 2025484 AMAQI
19th Jul 2025465 AMAQI
19th Jul 2025476 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025478 AMAQI
19th Jul 2025259 AMAQI
19th Jul 20252010 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20252112 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025419 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254112 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025472 AMAQI
20th Jul 2025463 AMAQI
27°C24/30°C
20th Jul 2025464 AMAQI
20th Jul 2025435 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025339 AMAQI
20th Jul 20251910 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025241 PMAQI
20th Jul 2025202 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025174 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025187 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253211 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025431 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025443 AMAQI
28°C24/31°C
21st Jul 2025434 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025259 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20252311 AMAQI
21st Jul 20252412 PMAQI
21st Jul 2025251 PMAQI
21st Jul 2025232 PMAQI
21st Jul 2025203 PMAQI
21st Jul 2025214 PMAQI
21st Jul 2025245 PMAQI
21st Jul 2025236 PMAQI
21st Jul 2025237 PMAQI
21st Jul 2025228 PMAQI
21st Jul 2025299 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252711 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025401 AMAQI
22nd Jul 2025412 AMAQI
22nd Jul 2025413 AMAQI
28°C25/32°C
22nd Jul 2025404 AMAQI
22nd Jul 2025375 AMAQI
22nd Jul 2025376 AMAQI
22nd Jul 2025377 AMAQI
22nd Jul 2025378 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025231 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025213 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025176 PMAQI
22nd Jul 2025147 PMAQI
22nd Jul 2025188 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025381 AMAQI
23rd Jul 2025382 AMAQI
23rd Jul 2025383 AMAQI
28°C25/32°C
23rd Jul 2025374 AMAQI
23rd Jul 2025345 AMAQI
23rd Jul 2025346 AMAQI
23rd Jul 2025347 AMAQI
23rd Jul 2025348 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20251710 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252912 PMAQI
23rd Jul 2025351 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025224 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025246 PMAQI
23rd Jul 2025217 PMAQI
23rd Jul 2025198 PMAQI
23rd Jul 2025269 PMAQI
23rd Jul 20252510 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252712 AMAQI
24th Jul 2025351 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025343 AMAQI
28°C25/32°C
24th Jul 2025344 AMAQI
24th Jul 2025335 AMAQI
24th Jul 2025336 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025338 AMAQI
24th Jul 2025219 AMAQI
24th Jul 20251910 AMAQI
24th Jul 20252711 AMAQI
24th Jul 20252612 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025263 PMAQI
24th Jul 2025184 PMAQI
24th Jul 2025195 PMAQI
24th Jul 2025176 PMAQI
24th Jul 2025167 PMAQI
24th Jul 2025198 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252412 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025322 AMAQI
25th Jul 2025333 AMAQI
29°C25/32°C
25th Jul 2025324 AMAQI
25th Jul 2025325 AMAQI
25th Jul 2025316 AMAQI
25th Jul 2025317 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025259 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252611 AMAQI
25th Jul 20252412 PMAQI
25th Jul 2025201 PMAQI
25th Jul 2025172 PMAQI
25th Jul 2025163 PMAQI
25th Jul 2025174 PMAQI
25th Jul 2025165 PMAQI
25th Jul 2025186 PMAQI
25th Jul 2025237 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252410 PMAQI
25th Jul 20252311 PMAQI
26th Jul 20252212 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
29°C26/32°C
26th Jul 2025324 AMAQI
26th Jul 2025295 AMAQI
26th Jul 2025296 AMAQI
26th Jul 2025287 AMAQI
26th Jul 2025308 AMAQI
26th Jul 2025219 AMAQI
26th Jul 20251810 AMAQI
26th Jul 20251811 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025231 PMAQI
26th Jul 2025202 PMAQI
26th Jul 2025173 PMAQI
26th Jul 2025184 PMAQI
26th Jul 2025175 PMAQI
26th Jul 2025196 PMAQI
26th Jul 2025167 PMAQI
26th Jul 2025208 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025301 AMAQI
27th Jul 2025292 AMAQI
27th Jul 2025303 AMAQI
29°C26/32°C
27th Jul 2025294 AMAQI
27th Jul 2025275 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025278 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20251410 AMAQI
27th Jul 20251511 AMAQI
27th Jul 20251612 PMAQI
27th Jul 2025181 PMAQI
27th Jul 2025182 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025184 PMAQI
27th Jul 2025165 PMAQI
27th Jul 2025156 PMAQI
27th Jul 2025167 PMAQI
27th Jul 2025168 PMAQI
27th Jul 2025199 PMAQI
27th Jul 20252110 PMAQI
27th Jul 20252211 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025282 AMAQI
28th Jul 2025283 AMAQI
28°C25/32°C
28th Jul 2025284 AMAQI
28th Jul 2025265 AMAQI
28th Jul 2025266 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025268 AMAQI
28th Jul 2025199 AMAQI
28th Jul 20252010 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20252612 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025205 PMAQI
28th Jul 2025206 PMAQI
28th Jul 2025207 PMAQI
28th Jul 2025208 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20252312 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025272 AMAQI
29th Jul 2025263 AMAQI
29°C26/32°C
29th Jul 2025274 AMAQI
29th Jul 2025265 AMAQI
29th Jul 2025276 AMAQI
29th Jul 2025267 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025339 AMAQI
29th Jul 20254810 AMAQI
29th Jul 20255011 AMAQI
29th Jul 20254812 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025382 PMAQI
29th Jul 2025363 PMAQI
29th Jul 2025294 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025217 PMAQI
29th Jul 2025198 PMAQI
29th Jul 2025229 PMAQI
29th Jul 20252310 PMAQI
29th Jul 20252411 PMAQI
30th Jul 20252412 AMAQI
30th Jul 2025281 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025273 AMAQI
29°C26/32°C
30th Jul 2025274 AMAQI
30th Jul 2025305 AMAQI
30th Jul 2025306 AMAQI
30th Jul 2025307 AMAQI
30th Jul 2025308 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20253310 AMAQI
30th Jul 20254511 AMAQI
30th Jul 20255012 PMAQI
30th Jul 2025481 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025443 PMAQI
30th Jul 2025414 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025467 PMAQI
30th Jul 2025398 PMAQI
30th Jul 2025359 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253011 PMAQI
31st Jul 20253112 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025283 AMAQI
29°C26/33°C
31st Jul 2025274 AMAQI
31st Jul 2025275 AMAQI
31st Jul 2025276 AMAQI
31st Jul 2025277 AMAQI
31st Jul 2025278 AMAQI
31st Jul 2025279 AMAQI
31st Jul 20252710 AMAQI
31st Jul 20254211 AMAQI
31st Jul 20254212 PMAQI
31st Jul 2025391 PMAQI
31st Jul 2025422 PMAQI
31st Jul 2025413 PMAQI
31st Jul 2025424 PMAQI
31st Jul 2025435 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025407 PMAQI
31st Jul 2025378 PMAQI
31st Jul 2025299 PMAQI
31st Jul 20253210 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20253012 AMAQI
1st Aug 2025301 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025303 AMAQI
30°C26/34°C
1st Aug 2025304 AMAQI
1st Aug 2025315 AMAQI
1st Aug 2025306 AMAQI
1st Aug 2025337 AMAQI
1st Aug 2025328 AMAQI
1st Aug 2025509 AMAQI
1st Aug 20254910 AMAQI
1st Aug 20255011 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025501 PMAQI
1st Aug 2025532 PMAQI
1st Aug 2025503 PMAQI
1st Aug 2025544 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025468 PMAQI
1st Aug 2025409 PMAQI
1st Aug 20254010 PMAQI
1st Aug 20254011 PMAQI
2nd Aug 20253212 AMAQI
2nd Aug 2025331 AMAQI
2nd Aug 2025322 AMAQI
2nd Aug 2025323 AMAQI
30°C26/36°C
2nd Aug 2025344 AMAQI
2nd Aug 2025365 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025529 AMAQI
2nd Aug 20255210 AMAQI
2nd Aug 20255111 AMAQI
2nd Aug 20254712 PMAQI
2nd Aug 2025521 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025624 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025496 PMAQI
2nd Aug 2025547 PMAQI
2nd Aug 2025458 PMAQI
2nd Aug 2025419 PMAQI
2nd Aug 20253910 PMAQI
2nd Aug 20254011 PMAQI
3rd Aug 20253812 AMAQI
3rd Aug 2025361 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025363 AMAQI
30°C27/36°C
3rd Aug 2025404 AMAQI
3rd Aug 2025405 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025519 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20256211 AMAQI
3rd Aug 20256012 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025582 PMAQI
3rd Aug 2025543 PMAQI
3rd Aug 2025574 PMAQI
3rd Aug 2025515 PMAQI
3rd Aug 2025546 PMAQI
3rd Aug 2025517 PMAQI
3rd Aug 2025458 PMAQI
3rd Aug 2025429 PMAQI
3rd Aug 20254510 PMAQI
3rd Aug 20254511 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025391 AMAQI
4th Aug 2025402 AMAQI
4th Aug 2025403 AMAQI
30°C27/34°C
4th Aug 2025444 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025749 AMAQI
4th Aug 20259410 AMAQI
4th Aug 20259111 AMAQI
4th Aug 20259412 PMAQI
4th Aug 2025881 PMAQI
4th Aug 2025942 PMAQI
4th Aug 20251003 PMAQI
4th Aug 20251004 PMAQI
4th Aug 20251115 PMAQI
4th Aug 20251026 PMAQI
4th Aug 2025787 PMAQI
4th Aug 2025638 PMAQI
4th Aug 2025589 PMAQI
4th Aug 20255310 PMAQI
4th Aug 20254611 PMAQI
5th Aug 20254812 AMAQI
5th Aug 2025451 AMAQI
5th Aug 2025432 AMAQI
5th Aug 2025423 AMAQI
29°C27/32°C
5th Aug 2025534 AMAQI
5th Aug 2025565 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025589 AMAQI
5th Aug 20255810 AMAQI
5th Aug 20255811 AMAQI
5th Aug 20255912 PMAQI
5th Aug 2025561 PMAQI
5th Aug 2025562 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025514 PMAQI
5th Aug 2025515 PMAQI
5th Aug 2025446 PMAQI
5th Aug 2025507 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254610 PMAQI
5th Aug 20254511 PMAQI
6th Aug 20254812 AMAQI
6th Aug 2025521 AMAQI
6th Aug 2025512 AMAQI
6th Aug 2025503 AMAQI
31°C27/34°C
6th Aug 2025524 AMAQI
6th Aug 2025525 AMAQI
6th Aug 2025536 AMAQI
6th Aug 2025527 AMAQI
6th Aug 2025528 AMAQI
6th Aug 2025489 AMAQI
6th Aug 20254610 AMAQI
6th Aug 20254911 AMAQI
6th Aug 20255512 PMAQI
6th Aug 2025531 PMAQI
6th Aug 2025532 PMAQI
6th Aug 2025523 PMAQI
6th Aug 2025544 PMAQI
6th Aug 2025585 PMAQI
6th Aug 2025576 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025598 PMAQI
6th Aug 2025609 PMAQI
6th Aug 20256010 PMAQI
6th Aug 20255811 PMAQI
7th Aug 20255812 AMAQI
7th Aug 2025511 AMAQI
7th Aug 2025522 AMAQI
7th Aug 2025523 AMAQI
32°C29/37°C
7th Aug 2025524 AMAQI
7th Aug 2025525 AMAQI
7th Aug 2025526 AMAQI
7th Aug 2025497 AMAQI
7th Aug 2025528 AMAQI
7th Aug 2025579 AMAQI
7th Aug 20255710 AMAQI
7th Aug 20255411 AMAQI
7th Aug 20254812 PMAQI
7th Aug 2025421 PMAQI
7th Aug 2025422 PMAQI
7th Aug 2025473 PMAQI
7th Aug 2025464 PMAQI
7th Aug 2025385 PMAQI
7th Aug 2025376 PMAQI
7th Aug 2025357 PMAQI
7th Aug 2025388 PMAQI
7th Aug 2025469 PMAQI
7th Aug 20254410 PMAQI
7th Aug 20254211 PMAQI
8th Aug 20254612 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
30°C28/33°C
8th Aug 2025524 AMAQI
8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025359 AMAQI
8th Aug 20253110 AMAQI
8th Aug 20252911 AMAQI
8th Aug 20253412 PMAQI
8th Aug 2025401 PMAQI
8th Aug 2025432 PMAQI
8th Aug 2025443 PMAQI
8th Aug 2025424 PMAQI
8th Aug 2025425 PMAQI
8th Aug 2025446 PMAQI
8th Aug 2025457 PMAQI
8th Aug 2025468 PMAQI
8th Aug 2025509 PMAQI
8th Aug 20254910 PMAQI
8th Aug 20255111 PMAQI
9th Aug 20255112 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
30°C26/34°C
9th Aug 2025514 AMAQI
9th Aug 2025495 AMAQI
9th Aug 2025496 AMAQI
9th Aug 2025507 AMAQI
9th Aug 2025498 AMAQI
9th Aug 2025529 AMAQI
9th Aug 20255010 AMAQI
9th Aug 20254911 AMAQI
9th Aug 20255212 PMAQI
9th Aug 2025531 PMAQI
9th Aug 2025552 PMAQI
9th Aug 2025543 PMAQI
9th Aug 2025554 PMAQI
9th Aug 2025545 PMAQI
9th Aug 2025486 PMAQI
9th Aug 2025447 PMAQI
9th Aug 2025498 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255110 PMAQI
9th Aug 20254911 PMAQI
10th Aug 20255112 AMAQI
10th Aug 2025501 AMAQI
10th Aug 2025512 AMAQI
10th Aug 2025503 AMAQI
29°C26/33°C
10th Aug 2025514 AMAQI
10th Aug 2025525 AMAQI
10th Aug 2025526 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025528 AMAQI
10th Aug 2025419 AMAQI
10th Aug 20253010 AMAQI
10th Aug 20253211 AMAQI
10th Aug 20253012 PMAQI
10th Aug 2025351 PMAQI
10th Aug 2025422 PMAQI
10th Aug 2025403 PMAQI
10th Aug 2025384 PMAQI
10th Aug 2025375 PMAQI
10th Aug 2025376 PMAQI
10th Aug 2025407 PMAQI
10th Aug 2025448 PMAQI
10th Aug 2025489 PMAQI
10th Aug 20254810 PMAQI
10th Aug 20254811 PMAQI
11th Aug 20254812 AMAQI
11th Aug 2025501 AMAQI
11th Aug 2025512 AMAQI
11th Aug 2025503 AMAQI
26°C25/27°C
11th Aug 2025524 AMAQI
11th Aug 2025505 AMAQI
11th Aug 2025506 AMAQI
11th Aug 2025507 AMAQI
11th Aug 2025508 AMAQI
11th Aug 2025329 AMAQI
11th Aug 20252610 AMAQI
11th Aug 20252511 AMAQI
11th Aug 20252912 PMAQI
11th Aug 2025241 PMAQI
11th Aug 2025282 PMAQI
11th Aug 2025363 PMAQI
11th Aug 2025324 PMAQI
11th Aug 2025315 PMAQI
11th Aug 2025386 PMAQI
11th Aug 2025307 PMAQI
11th Aug 2025388 PMAQI
11th Aug 2025379 PMAQI
11th Aug 20253610 PMAQI
11th Aug 20254011 PMAQI
12th Aug 20254012 AMAQI
12th Aug 2025471 AMAQI
12th Aug 2025482 AMAQI
12th Aug 2025463 AMAQI
26°C25/27°C
12th Aug 2025444 AMAQI
12th Aug 2025435 AMAQI
12th Aug 2025416 AMAQI
12th Aug 2025427 AMAQI
12th Aug 2025438 AMAQI
12th Aug 2025259 AMAQI
12th Aug 20253010 AMAQI
12th Aug 20253711 AMAQI
12th Aug 20253812 PMAQI
12th Aug 2025361 PMAQI
12th Aug 2025322 PMAQI
12th Aug 2025273 PMAQI
12th Aug 2025264 PMAQI
12th Aug 2025265 PMAQI
12th Aug 2025316 PMAQI
12th Aug 2025297 PMAQI
12th Aug 2025348 PMAQI
12th Aug 2025369 PMAQI
12th Aug 20253810 PMAQI
12th Aug 20253811 PMAQI
13th Aug 20253712 AMAQI
13th Aug 2025401 AMAQI
13th Aug 2025412 AMAQI
13th Aug 2025413 AMAQI
25°C24/26°C
13th Aug 2025404 AMAQI
4 AM13th Aug 2025395 AMAQI
13th Aug 2025396 AMAQI
13th Aug 2025387 AMAQI
13th Aug 2025398 AMAQI
13th Aug 2025339 AMAQI
13th Aug 20253310 AMAQI
13th Aug 20253611 AMAQI
11 AM13th Aug 20253912 PMAQI
13th Aug 2025351 PMAQI
13th Aug 2025372 PMAQI
13th Aug 2025503 PMAQI
13th Aug 2025544 PMAQI
13th Aug 2025525 PMAQI
13th Aug 2025446 PMAQI
6 PM13th Aug 2025397 PMAQI
13th Aug 2025288 PMAQI
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
42AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 AM - 10 AM
36AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 42), while the lowest AQI was between 9 AM to 10 AM (Avg. 36).
Night time
Avg. Highest Time
1 AM - 3 AM
42AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
7 PM - 8 PM
35AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 3 AM (Avg. 42), while the lowest AQI was between 7 PM to 8 PM (Avg. 35).
2025 Days Vs Air Quality
Yokosuka, Iwata, Shizuoka, Japan
2025
89%
199
11%
24
0.4%
1
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Good
199 DaysModerate
24 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 225 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
Yokosuka, Iwata, Shizuoka, 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
30AQI
30AQI
2nd January 2025
31AQI
31AQI
3rd January 2025
31AQI
31AQI
4th January 2025
29AQI
29AQI
5th January 2025
29AQI
29AQI
6th January 2025
26AQI
26AQI
7th January 2025
30AQI
30AQI
8th January 2025
26AQI
26AQI
9th January 2025
30AQI
30AQI
10th January 2025
26AQI
26AQI
11th January 2025
28AQI
28AQI
12th January 2025
26AQI
26AQI
13th January 2025
28AQI
28AQI
14th January 2025
36AQI
36AQI
15th January 2025
36AQI
36AQI
16th January 2025
28AQI
28AQI
17th January 2025
30AQI
30AQI
18th January 2025
27AQI
27AQI
19th January 2025
26AQI
26AQI
20th January 2025
29AQI
29AQI
21st January 2025
30AQI
30AQI
22nd January 2025
32AQI
32AQI
23rd January 2025
52AQI
52AQI
24th January 2025
46AQI
46AQI
25th January 2025
40AQI
40AQI
26th January 2025
38AQI
38AQI
27th January 2025
28AQI
28AQI
28th January 2025
32AQI
32AQI
29th January 2025
29AQI
29AQI
30th January 2025
31AQI
31AQI
31st January 2025
40AQI
40AQI
1st February 2025
37AQI
37AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
32AQI
32AQI
4th February 2025
31AQI
31AQI
5th February 2025
32AQI
32AQI
6th February 2025
31AQI
31AQI
7th February 2025
33AQI
33AQI
8th February 2025
31AQI
31AQI
9th February 2025
31AQI
31AQI
10th February 2025
31AQI
31AQI
11th February 2025
32AQI
32AQI
12th February 2025
29AQI
29AQI
13th February 2025
32AQI
32AQI
14th February 2025
32AQI
32AQI
15th February 2025
31AQI
31AQI
16th February 2025
34AQI
34AQI
17th February 2025
38AQI
38AQI
18th February 2025
32AQI
32AQI
19th February 2025
32AQI
32AQI
20th February 2025
31AQI
31AQI
21st February 2025
31AQI
31AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
33AQI
33AQI
24th February 2025
33AQI
33AQI
25th February 2025
36AQI
36AQI
26th February 2025
37AQI
37AQI
27th February 2025
42AQI
42AQI
28th February 2025
46AQI
46AQI
1st March 2025
45AQI
45AQI
2nd March 2025
47AQI
47AQI
3rd March 2025
39AQI
39AQI
4th March 2025
36AQI
36AQI
5th March 2025
27AQI
27AQI
6th March 2025
31AQI
31AQI
7th March 2025
31AQI
31AQI
8th March 2025
31AQI
31AQI
9th March 2025
34AQI
34AQI
10th March 2025
35AQI
35AQI
11th March 2025
32AQI
32AQI
12th March 2025
30AQI
30AQI
13th March 2025
42AQI
42AQI
14th March 2025
32AQI
32AQI
15th March 2025
33AQI
33AQI
16th March 2025
20AQI
20AQI
17th March 2025
18AQI
18AQI
18th March 2025
20AQI
20AQI
19th March 2025
16AQI
16AQI
20th March 2025
28AQI
28AQI
21st March 2025
49AQI
49AQI
22nd March 2025
48AQI
48AQI
23rd March 2025
60AQI
60AQI
24th March 2025
58AQI
58AQI
25th March 2025
66AQI
66AQI
26th March 2025
111AQI
111AQI
27th March 2025
73AQI
73AQI
28th March 2025
62AQI
62AQI
29th March 2025
41AQI
41AQI
30th March 2025
39AQI
39AQI
31st March 2025
32AQI
32AQI
1st April 2025
27AQI
27AQI
2nd April 2025
25AQI
25AQI
3rd April 2025
21AQI
21AQI
4th April 2025
20AQI
20AQI
5th April 2025
25AQI
25AQI
6th April 2025
22AQI
22AQI
7th April 2025
31AQI
31AQI
8th April 2025
37AQI
37AQI
9th April 2025
34AQI
34AQI
10th April 2025
47AQI
47AQI
11th April 2025
41AQI
41AQI
12th April 2025
48AQI
48AQI
13th April 2025
28AQI
28AQI
14th April 2025
46AQI
46AQI
15th April 2025
22AQI
22AQI
16th April 2025
37AQI
37AQI
17th April 2025
44AQI
44AQI
18th April 2025
51AQI
51AQI
19th April 2025
61AQI
61AQI
20th April 2025
45AQI
45AQI
21st April 2025
49AQI
49AQI
22nd April 2025
40AQI
40AQI
23rd April 2025
32AQI
32AQI
24th April 2025
36AQI
36AQI
25th April 2025
44AQI
44AQI
26th April 2025
48AQI
48AQI
27th April 2025
51AQI
51AQI
28th April 2025
43AQI
43AQI
29th April 2025
44AQI
44AQI
30th April 2025
47AQI
47AQI
1st May 2025
45AQI
45AQI
2nd May 2025
28AQI
28AQI
3rd May 2025
37AQI
37AQI
4th May 2025
33AQI
33AQI
5th May 2025
34AQI
34AQI
6th May 2025
24AQI
24AQI
7th May 2025
27AQI
27AQI
8th May 2025
27AQI
27AQI
9th May 2025
28AQI
28AQI
10th May 2025
22AQI
22AQI
11th May 2025
22AQI
22AQI
12th May 2025
33AQI
33AQI
13th May 2025
42AQI
42AQI
14th May 2025
44AQI
44AQI
15th May 2025
45AQI
45AQI
16th May 2025
44AQI
44AQI
17th May 2025
33AQI
33AQI
18th May 2025
48AQI
48AQI
19th May 2025
44AQI
44AQI
20th May 2025
58AQI
58AQI
21st May 2025
38AQI
38AQI
22nd May 2025
33AQI
33AQI
23rd May 2025
40AQI
40AQI
24th May 2025
39AQI
39AQI
25th May 2025
23AQI
23AQI
26th May 2025
28AQI
28AQI
27th May 2025
27AQI
27AQI
28th May 2025
28AQI
28AQI
29th May 2025
33AQI
33AQI
30th May 2025
26AQI
26AQI
31st May 2025
26AQI
26AQI
1st June 2025
21AQI
21AQI
2nd June 2025
31AQI
31AQI
3rd June 2025
24AQI
24AQI
4th June 2025
35AQI
35AQI
5th June 2025
40AQI
40AQI
6th June 2025
44AQI
44AQI
7th June 2025
49AQI
49AQI
8th June 2025
58AQI
58AQI
9th June 2025
42AQI
42AQI
10th June 2025
28AQI
28AQI
11th June 2025
27AQI
27AQI
12th June 2025
41AQI
41AQI
13th June 2025
41AQI
41AQI
14th June 2025
33AQI
33AQI
15th June 2025
26AQI
26AQI
16th June 2025
33AQI
33AQI
17th June 2025
37AQI
37AQI
18th June 2025
45AQI
45AQI
19th June 2025
50AQI
50AQI
20th June 2025
40AQI
40AQI
21st June 2025
34AQI
34AQI
22nd June 2025
23AQI
23AQI
23rd June 2025
22AQI
22AQI
24th June 2025
22AQI
22AQI
25th June 2025
21AQI
21AQI
26th June 2025
20AQI
20AQI
27th June 2025
29AQI
29AQI
28th June 2025
32AQI
32AQI
29th June 2025
31AQI
31AQI
30th June 2025
36AQI
36AQI
1st July 2025
39AQI
39AQI
2nd July 2025
40AQI
40AQI
3rd July 2025
44AQI
44AQI
4th July 2025
45AQI
45AQI
5th July 2025
69AQI
69AQI
6th July 2025
61AQI
61AQI
7th July 2025
73AQI
73AQI
8th July 2025
79AQI
79AQI
9th July 2025
73AQI
73AQI
10th July 2025
56AQI
56AQI
11th July 2025
54AQI
54AQI
12th July 2025
53AQI
53AQI
13th July 2025
51AQI
51AQI
14th July 2025
45AQI
45AQI
15th July 2025
46AQI
46AQI
16th July 2025
47AQI
47AQI
17th July 2025
46AQI
46AQI
18th July 2025
41AQI
41AQI
19th July 2025
37AQI
37AQI
20th July 2025
33AQI
33AQI
21st July 2025
31AQI
31AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
28AQI
28AQI
24th July 2025
26AQI
26AQI
25th July 2025
25AQI
25AQI
26th July 2025
24AQI
24AQI
27th July 2025
22AQI
22AQI
28th July 2025
24AQI
24AQI
29th July 2025
29AQI
29AQI
30th July 2025
36AQI
36AQI
31st July 2025
33AQI
33AQI
1st August 2025
42AQI
42AQI
2nd August 2025
44AQI
44AQI
3rd August 2025
46AQI
46AQI
4th August 2025
66AQI
66AQI
5th August 2025
51AQI
51AQI
6th August 2025
54AQI
54AQI
7th August 2025
47AQI
47AQI
8th August 2025
46AQI
46AQI
9th August 2025
51AQI
51AQI
10th August 2025
45AQI
45AQI
11th August 2025
40AQI
40AQI
12th August 2025
44AQI
44AQI
32AQI
33AQI
41AQI
38AQI
34AQI
34AQI
43AQI
48AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
30
1
28
25
5
1
27
3
30
1
29
1
22
9
8
4
199
24
1
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
January32AQI
202434AQI
31
28
1
27
4
23
7
27
4
27
3
25
6
28
3
27
3
30
1
30
31
334
32
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
December28AQI
202334AQI
31
28
30
1
24
6
27
4
25
5
26
5
30
1
29
1
31
25
4
31
337
27
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August23AQI
202234AQI
3
21
29
2
24
6
22
9
29
1
21
3
1
26
2
30
1
30
31
267
24
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
August19AQI
202135AQI
28
3
24
4
25
4
2
23
7
24
7
25
5
30
1
27
4
28
2
31
29
31
325
37
2
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
October27AQI
202034AQI
10
4
18
1
29
2
28
2
30
1
115
10
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
December31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
37AQILeast Polluted Year Recorded
2020(Avg.)
34AQIYokosuka's annual 2025 AQI (37) shows an average percentage change of 9.2% (worsened AQI) compared to previous years: 2020 (34), 2021 (35), 2022 (34), 2023 (34), 2024 (34).
