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+
October Air Quality Analysis
Yokosuka, Iwata, Shizuoka, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
9th Oct 2025
60AQILowest AQI recorded on
6th Oct 2022
15AQISame Day Analysis (18th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Yokosuka, Iwata, Shizuoka, Japan
AQI
Day
Night
.
5 AM18th Oct 2025
5 PM
4 AM19th Oct 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
5AM18th Oct
55AQI
Avg. Lowest Time
8PM18th Oct
42AQI
In the last 24 hours,
Yokosuka's AQI reached its highest point of 55 at 5 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Yokosuka, Iwata, Shizuoka, Japan
SepOct
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th
Day
Night
19th Sep 2025525 AMAQI
19th Sep 2025526 AMAQI
19th Sep 2025527 AMAQI
19th Sep 2025528 AMAQI
19th Sep 2025269 AMAQI
19th Sep 20251410 AMAQI
19th Sep 20251311 AMAQI
19th Sep 20251312 PMAQI
19th Sep 2025161 PMAQI
19th Sep 2025182 PMAQI
19th Sep 2025213 PMAQI
19th Sep 2025214 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025246 PMAQI
19th Sep 2025267 PMAQI
19th Sep 2025308 PMAQI
19th Sep 2025389 PMAQI
19th Sep 20253710 PMAQI
19th Sep 20253811 PMAQI
20th Sep 20253812 AMAQI
20th Sep 2025421 AMAQI
20th Sep 2025482 AMAQI
20th Sep 2025483 AMAQI
20th Sep 2025454 AMAQI
25°C23/26°C
20th Sep 2025415 AMAQI
20th Sep 2025416 AMAQI
20th Sep 2025417 AMAQI
20th Sep 2025428 AMAQI
20th Sep 2025309 AMAQI
20th Sep 20252610 AMAQI
20th Sep 20251811 AMAQI
20th Sep 20251712 PMAQI
20th Sep 2025171 PMAQI
20th Sep 2025192 PMAQI
20th Sep 2025243 PMAQI
20th Sep 2025224 PMAQI
20th Sep 2025235 PMAQI
20th Sep 2025206 PMAQI
20th Sep 2025187 PMAQI
20th Sep 2025228 PMAQI
20th Sep 2025339 PMAQI
20th Sep 20253210 PMAQI
20th Sep 20253211 PMAQI
21st Sep 20253412 AMAQI
21st Sep 2025431 AMAQI
21st Sep 2025432 AMAQI
21st Sep 2025433 AMAQI
21st Sep 2025414 AMAQI
23°C21/24°C
21st Sep 2025385 AMAQI
21st Sep 2025386 AMAQI
21st Sep 2025387 AMAQI
21st Sep 2025388 AMAQI
21st Sep 2025209 AMAQI
21st Sep 20251610 AMAQI
21st Sep 20251611 AMAQI
21st Sep 20251512 PMAQI
21st Sep 2025161 PMAQI
21st Sep 2025182 PMAQI
21st Sep 2025173 PMAQI
21st Sep 2025154 PMAQI
21st Sep 2025185 PMAQI
21st Sep 2025146 PMAQI
21st Sep 2025157 PMAQI
21st Sep 2025218 PMAQI
21st Sep 2025289 PMAQI
21st Sep 20253010 PMAQI
21st Sep 20253111 PMAQI
22nd Sep 20253012 AMAQI
22nd Sep 2025381 AMAQI
22nd Sep 2025402 AMAQI
22nd Sep 2025403 AMAQI
22nd Sep 2025384 AMAQI
26°C23/31°C
22nd Sep 2025345 AMAQI
22nd Sep 2025356 AMAQI
22nd Sep 2025367 AMAQI
22nd Sep 2025368 AMAQI
22nd Sep 2025239 AMAQI
22nd Sep 20251710 AMAQI
22nd Sep 20252211 AMAQI
22nd Sep 20252212 PMAQI
22nd Sep 2025221 PMAQI
22nd Sep 2025222 PMAQI
22nd Sep 2025223 PMAQI
22nd Sep 2025244 PMAQI
22nd Sep 2025245 PMAQI
22nd Sep 2025286 PMAQI
22nd Sep 2025287 PMAQI
22nd Sep 2025288 PMAQI
22nd Sep 2025329 PMAQI
22nd Sep 20253310 PMAQI
22nd Sep 20253211 PMAQI
23rd Sep 20253212 AMAQI
23rd Sep 2025361 AMAQI
23rd Sep 2025362 AMAQI
23rd Sep 2025353 AMAQI
23rd Sep 2025344 AMAQI
24°C22/27°C
23rd Sep 2025325 AMAQI
23rd Sep 2025326 AMAQI
23rd Sep 2025327 AMAQI
23rd Sep 2025338 AMAQI
23rd Sep 2025289 AMAQI
23rd Sep 20252410 AMAQI
23rd Sep 20252611 AMAQI
23rd Sep 20252512 PMAQI
23rd Sep 2025251 PMAQI
23rd Sep 2025282 PMAQI
23rd Sep 2025253 PMAQI
23rd Sep 2025234 PMAQI
23rd Sep 2025265 PMAQI
23rd Sep 2025266 PMAQI
23rd Sep 2025237 PMAQI
23rd Sep 2025278 PMAQI
23rd Sep 2025319 PMAQI
23rd Sep 20253110 PMAQI
23rd Sep 20253011 PMAQI
24th Sep 20253112 AMAQI
24th Sep 2025331 AMAQI
24th Sep 2025342 AMAQI
24th Sep 2025333 AMAQI
24th Sep 2025334 AMAQI
23°C20/27°C
24th Sep 2025315 AMAQI
24th Sep 2025326 AMAQI
24th Sep 2025327 AMAQI
24th Sep 2025328 AMAQI
24th Sep 2025339 AMAQI
24th Sep 20253110 AMAQI
24th Sep 20253211 AMAQI
24th Sep 20252912 PMAQI
24th Sep 2025241 PMAQI
24th Sep 2025242 PMAQI
24th Sep 2025233 PMAQI
24th Sep 2025224 PMAQI
24th Sep 2025245 PMAQI
24th Sep 2025236 PMAQI
24th Sep 2025227 PMAQI
24th Sep 2025288 PMAQI
24th Sep 2025299 PMAQI
24th Sep 20252610 PMAQI
24th Sep 20252611 PMAQI
25th Sep 20252612 AMAQI
25th Sep 2025321 AMAQI
25th Sep 2025322 AMAQI
25th Sep 2025323 AMAQI
25th Sep 2025324 AMAQI
23°C20/27°C
25th Sep 2025325 AMAQI
25th Sep 2025326 AMAQI
25th Sep 2025317 AMAQI
25th Sep 2025328 AMAQI
25th Sep 2025299 AMAQI
25th Sep 20252310 AMAQI
25th Sep 20252411 AMAQI
25th Sep 20252612 PMAQI
25th Sep 2025291 PMAQI
25th Sep 2025362 PMAQI
25th Sep 2025433 PMAQI
25th Sep 2025454 PMAQI
25th Sep 2025465 PMAQI
25th Sep 2025496 PMAQI
25th Sep 2025437 PMAQI
25th Sep 2025368 PMAQI
25th Sep 2025339 PMAQI
25th Sep 20253010 PMAQI
25th Sep 20252711 PMAQI
26th Sep 20252312 AMAQI
26th Sep 2025171 AMAQI
26th Sep 2025152 AMAQI
26th Sep 2025173 AMAQI
26th Sep 2025154 AMAQI
25°C22/28°C
26th Sep 2025115 AMAQI
26th Sep 2025116 AMAQI
26th Sep 2025207 AMAQI
26th Sep 2025128 AMAQI
26th Sep 2025229 AMAQI
26th Sep 20252210 AMAQI
26th Sep 20252511 AMAQI
26th Sep 20252912 PMAQI
26th Sep 2025361 PMAQI
26th Sep 2025402 PMAQI
26th Sep 2025443 PMAQI
26th Sep 2025464 PMAQI
26th Sep 2025485 PMAQI
26th Sep 2025406 PMAQI
26th Sep 2025337 PMAQI
26th Sep 2025268 PMAQI
26th Sep 2025269 PMAQI
26th Sep 20252310 PMAQI
26th Sep 20252211 PMAQI
27th Sep 20252812 AMAQI
27th Sep 2025381 AMAQI
27th Sep 2025352 AMAQI
27th Sep 2025373 AMAQI
27th Sep 2025374 AMAQI
27°C23/33°C
27th Sep 2025335 AMAQI
27th Sep 2025336 AMAQI
27th Sep 2025307 AMAQI
27th Sep 2025248 AMAQI
27th Sep 2025269 AMAQI
27th Sep 20253510 AMAQI
27th Sep 20253911 AMAQI
27th Sep 20253812 PMAQI
27th Sep 2025401 PMAQI
27th Sep 2025352 PMAQI
27th Sep 2025373 PMAQI
27th Sep 2025304 PMAQI
27th Sep 2025245 PMAQI
27th Sep 2025226 PMAQI
27th Sep 2025227 PMAQI
27th Sep 2025228 PMAQI
27th Sep 2025259 PMAQI
27th Sep 20252410 PMAQI
27th Sep 20252411 PMAQI
28th Sep 20253112 AMAQI
28th Sep 2025261 AMAQI
28th Sep 2025262 AMAQI
28th Sep 2025283 AMAQI
28th Sep 2025284 AMAQI
25°C23/29°C
28th Sep 2025285 AMAQI
28th Sep 2025286 AMAQI
28th Sep 2025267 AMAQI
28th Sep 2025238 AMAQI
28th Sep 2025229 AMAQI
28th Sep 20252210 AMAQI
28th Sep 20252311 AMAQI
28th Sep 20252812 PMAQI
28th Sep 2025281 PMAQI
28th Sep 2025312 PMAQI
28th Sep 2025323 PMAQI
28th Sep 2025244 PMAQI
28th Sep 2025225 PMAQI
28th Sep 2025226 PMAQI
28th Sep 2025267 PMAQI
28th Sep 2025218 PMAQI
28th Sep 2025199 PMAQI
28th Sep 20251810 PMAQI
28th Sep 20251811 PMAQI
29th Sep 20252212 AMAQI
29th Sep 2025191 AMAQI
29th Sep 2025192 AMAQI
29th Sep 2025253 AMAQI
29th Sep 2025244 AMAQI
25°C22/28°C
29th Sep 2025215 AMAQI
29th Sep 2025206 AMAQI
29th Sep 2025197 AMAQI
29th Sep 2025208 AMAQI
29th Sep 2025349 AMAQI
29th Sep 20253010 AMAQI
29th Sep 20251511 AMAQI
29th Sep 20251412 PMAQI
29th Sep 2025181 PMAQI
29th Sep 2025162 PMAQI
29th Sep 2025213 PMAQI
29th Sep 2025174 PMAQI
29th Sep 2025185 PMAQI
29th Sep 2025216 PMAQI
29th Sep 2025147 PMAQI
29th Sep 2025128 PMAQI
29th Sep 2025189 PMAQI
29th Sep 20251610 PMAQI
29th Sep 20251211 PMAQI
30th Sep 2025812 AMAQI
30th Sep 202571 AMAQI
30th Sep 202572 AMAQI
30th Sep 202563 AMAQI
30th Sep 2025174 AMAQI
25°C22/29°C
30th Sep 2025185 AMAQI
30th Sep 2025106 AMAQI
30th Sep 2025117 AMAQI
30th Sep 2025118 AMAQI
30th Sep 2025139 AMAQI
30th Sep 20252110 AMAQI
30th Sep 20253311 AMAQI
30th Sep 20253912 PMAQI
30th Sep 2025381 PMAQI
30th Sep 2025352 PMAQI
30th Sep 2025333 PMAQI
30th Sep 2025484 PMAQI
30th Sep 2025375 PMAQI
30th Sep 2025386 PMAQI
30th Sep 2025337 PMAQI
30th Sep 2025288 PMAQI
30th Sep 2025269 PMAQI
30th Sep 20253210 PMAQI
30th Sep 20253011 PMAQI
1st Oct 20252412 AMAQI
1st Oct 2025151 AMAQI
1st Oct 2025142 AMAQI
1st Oct 2025143 AMAQI
1st Oct 2025154 AMAQI
24°C21/27°C
1st Oct 2025155 AMAQI
1st Oct 2025156 AMAQI
1st Oct 2025137 AMAQI
1st Oct 2025128 AMAQI
1st Oct 2025169 AMAQI
1st Oct 20252110 AMAQI
1st Oct 20252011 AMAQI
1st Oct 20251812 PMAQI
1st Oct 2025191 PMAQI
1st Oct 2025172 PMAQI
1st Oct 2025183 PMAQI
1st Oct 2025174 PMAQI
1st Oct 2025175 PMAQI
1st Oct 2025186 PMAQI
1st Oct 2025227 PMAQI
1st Oct 2025358 PMAQI
1st Oct 2025359 PMAQI
1st Oct 20253110 PMAQI
1st Oct 20253011 PMAQI
2nd Oct 20252912 AMAQI
2nd Oct 2025421 AMAQI
2nd Oct 2025482 AMAQI
2nd Oct 2025543 AMAQI
2nd Oct 2025534 AMAQI
22°C21/25°C
2nd Oct 2025515 AMAQI
2nd Oct 2025576 AMAQI
2nd Oct 2025577 AMAQI
2nd Oct 2025558 AMAQI
2nd Oct 2025509 AMAQI
2nd Oct 20255110 AMAQI
2nd Oct 20254311 AMAQI
2nd Oct 20254012 PMAQI
2nd Oct 2025411 PMAQI
2nd Oct 2025482 PMAQI
2nd Oct 2025573 PMAQI
2nd Oct 2025564 PMAQI
2nd Oct 2025555 PMAQI
2nd Oct 2025556 PMAQI
2nd Oct 2025547 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025529 PMAQI
2nd Oct 20254910 PMAQI
2nd Oct 20254011 PMAQI
3rd Oct 20254012 AMAQI
3rd Oct 2025401 AMAQI
3rd Oct 2025492 AMAQI
3rd Oct 2025483 AMAQI
3rd Oct 2025494 AMAQI
23°C19/29°C
3rd Oct 2025485 AMAQI
3rd Oct 2025486 AMAQI
3rd Oct 2025497 AMAQI
3rd Oct 2025478 AMAQI
3rd Oct 2025479 AMAQI
3rd Oct 20254910 AMAQI
3rd Oct 20255011 AMAQI
3rd Oct 20254812 PMAQI
3rd Oct 2025421 PMAQI
3rd Oct 2025382 PMAQI
3rd Oct 2025403 PMAQI
3rd Oct 2025434 PMAQI
3rd Oct 2025425 PMAQI
3rd Oct 2025446 PMAQI
3rd Oct 2025447 PMAQI
3rd Oct 2025378 PMAQI
3rd Oct 2025519 PMAQI
3rd Oct 20255610 PMAQI
3rd Oct 20255511 PMAQI
4th Oct 20255712 AMAQI
4th Oct 2025601 AMAQI
4th Oct 2025622 AMAQI
4th Oct 2025553 AMAQI
4th Oct 2025584 AMAQI
24°C21/27°C
4th Oct 2025565 AMAQI
4th Oct 2025566 AMAQI
4th Oct 2025547 AMAQI
4th Oct 2025548 AMAQI
4th Oct 2025549 AMAQI
4th Oct 20255410 AMAQI
4th Oct 20255311 AMAQI
4th Oct 20255312 PMAQI
4th Oct 2025561 PMAQI
4th Oct 2025512 PMAQI
4th Oct 2025493 PMAQI
4th Oct 2025504 PMAQI
4th Oct 2025505 PMAQI
4th Oct 2025546 PMAQI
4th Oct 2025517 PMAQI
4th Oct 2025528 PMAQI
4th Oct 2025479 PMAQI
4th Oct 20255010 PMAQI
4th Oct 20254911 PMAQI
5th Oct 20255312 AMAQI
5th Oct 2025521 AMAQI
5th Oct 2025502 AMAQI
5th Oct 2025443 AMAQI
5th Oct 2025514 AMAQI
23°C23/25°C
5th Oct 2025525 AMAQI
5th Oct 2025526 AMAQI
5th Oct 2025467 AMAQI
5th Oct 2025488 AMAQI
5th Oct 2025489 AMAQI
5th Oct 20253310 AMAQI
5th Oct 20254111 AMAQI
5th Oct 20255012 PMAQI
5th Oct 2025501 PMAQI
5th Oct 2025522 PMAQI
5th Oct 2025483 PMAQI
5th Oct 2025444 PMAQI
5th Oct 2025475 PMAQI
5th Oct 2025486 PMAQI
5th Oct 2025477 PMAQI
5th Oct 2025498 PMAQI
5th Oct 2025549 PMAQI
5th Oct 20255610 PMAQI
5th Oct 20255011 PMAQI
6th Oct 20254012 AMAQI
6th Oct 2025421 AMAQI
6th Oct 2025482 AMAQI
6th Oct 2025523 AMAQI
6th Oct 2025504 AMAQI
25°C22/28°C
6th Oct 2025435 AMAQI
6th Oct 2025406 AMAQI
6th Oct 2025467 AMAQI
6th Oct 2025448 AMAQI
6th Oct 2025459 AMAQI
6th Oct 20254310 AMAQI
6th Oct 20254611 AMAQI
6th Oct 20254612 PMAQI
6th Oct 2025371 PMAQI
6th Oct 2025422 PMAQI
6th Oct 2025443 PMAQI
6th Oct 2025414 PMAQI
6th Oct 2025405 PMAQI
6th Oct 2025426 PMAQI
6th Oct 2025417 PMAQI
6th Oct 2025388 PMAQI
6th Oct 2025419 PMAQI
6th Oct 20254010 PMAQI
6th Oct 20254211 PMAQI
7th Oct 20254312 AMAQI
7th Oct 2025481 AMAQI
7th Oct 2025542 AMAQI
26°C22/31°C
7th Oct 2025438 PMAQI
7th Oct 2025369 PMAQI
7th Oct 20256010 PMAQI
7th Oct 20256111 PMAQI
8th Oct 20255812 AMAQI
8th Oct 2025601 AMAQI
8th Oct 2025592 AMAQI
8th Oct 2025583 AMAQI
8th Oct 2025564 AMAQI
24°C22/28°C
8th Oct 2025545 AMAQI
8th Oct 2025536 AMAQI
8th Oct 2025537 AMAQI
8th Oct 2025528 AMAQI
8th Oct 2025529 AMAQI
8th Oct 20255210 AMAQI
8th Oct 20254311 AMAQI
8th Oct 20255712 PMAQI
8th Oct 2025591 PMAQI
8th Oct 2025502 PMAQI
8th Oct 2025553 PMAQI
8th Oct 2025624 PMAQI
8th Oct 2025625 PMAQI
8th Oct 2025596 PMAQI
8th Oct 2025577 PMAQI
8th Oct 2025588 PMAQI
8th Oct 2025579 PMAQI
8th Oct 20256010 PMAQI
8th Oct 20255511 PMAQI
9th Oct 20256012 AMAQI
9th Oct 2025591 AMAQI
9th Oct 2025612 AMAQI
9th Oct 2025623 AMAQI
9th Oct 2025604 AMAQI
25°C22/29°C
9th Oct 2025655 AMAQI
9th Oct 2025656 AMAQI
9th Oct 2025637 AMAQI
9th Oct 2025618 AMAQI
9th Oct 2025629 AMAQI
9th Oct 20256910 AMAQI
9th Oct 20257311 AMAQI
9th Oct 20256812 PMAQI
9th Oct 2025581 PMAQI
9th Oct 2025552 PMAQI
9th Oct 2025533 PMAQI
9th Oct 2025554 PMAQI
9th Oct 2025585 PMAQI
9th Oct 2025586 PMAQI
9th Oct 2025587 PMAQI
9th Oct 2025588 PMAQI
9th Oct 2025579 PMAQI
9th Oct 20255610 PMAQI
9th Oct 20255711 PMAQI
10th Oct 20255912 AMAQI
10th Oct 2025551 AMAQI
10th Oct 2025602 AMAQI
10th Oct 2025633 AMAQI
10th Oct 2025614 AMAQI
25°C22/29°C
10th Oct 2025605 AMAQI
10th Oct 2025566 AMAQI
10th Oct 2025597 AMAQI
10th Oct 2025558 AMAQI
10th Oct 2025549 AMAQI
10th Oct 20255410 AMAQI
10th Oct 20255411 AMAQI
10th Oct 20255712 PMAQI
10th Oct 2025581 PMAQI
10th Oct 2025582 PMAQI
10th Oct 2025583 PMAQI
10th Oct 2025554 PMAQI
10th Oct 2025575 PMAQI
10th Oct 2025576 PMAQI
10th Oct 2025587 PMAQI
10th Oct 2025588 PMAQI
10th Oct 2025579 PMAQI
10th Oct 20255510 PMAQI
10th Oct 20255511 PMAQI
11th Oct 20255712 AMAQI
11th Oct 2025591 AMAQI
11th Oct 2025592 AMAQI
11th Oct 2025583 AMAQI
11th Oct 2025574 AMAQI
21°C20/24°C
11th Oct 2025585 AMAQI
11th Oct 2025606 AMAQI
11th Oct 2025597 AMAQI
11th Oct 2025568 AMAQI
11th Oct 2025559 AMAQI
11th Oct 20255510 AMAQI
11th Oct 20255611 AMAQI
11th Oct 20255812 PMAQI
11th Oct 2025571 PMAQI
11th Oct 2025532 PMAQI
11th Oct 2025563 PMAQI
11th Oct 2025554 PMAQI
11th Oct 2025395 PMAQI
11th Oct 2025396 PMAQI
11th Oct 2025437 PMAQI
11th Oct 2025328 PMAQI
11th Oct 2025269 PMAQI
11th Oct 20252910 PMAQI
11th Oct 20254311 PMAQI
12th Oct 20254412 AMAQI
12th Oct 2025331 AMAQI
12th Oct 2025472 AMAQI
12th Oct 2025413 AMAQI
12th Oct 2025364 AMAQI
21°C20/22°C
12th Oct 2025355 AMAQI
12th Oct 2025316 AMAQI
12th Oct 2025347 AMAQI
12th Oct 2025258 AMAQI
12th Oct 2025249 AMAQI
12th Oct 20252710 AMAQI
12th Oct 20255211 AMAQI
12th Oct 20254512 PMAQI
12th Oct 2025501 PMAQI
12th Oct 2025512 PMAQI
12th Oct 2025443 PMAQI
12th Oct 2025474 PMAQI
12th Oct 2025465 PMAQI
12th Oct 2025506 PMAQI
12th Oct 2025477 PMAQI
12th Oct 2025508 PMAQI
12th Oct 2025479 PMAQI
12th Oct 20254410 PMAQI
12th Oct 20255811 PMAQI
13th Oct 20255812 AMAQI
13th Oct 2025601 AMAQI
13th Oct 2025632 AMAQI
13th Oct 2025563 AMAQI
13th Oct 2025584 AMAQI
24°C21/27°C
13th Oct 2025575 AMAQI
13th Oct 2025546 AMAQI
13th Oct 2025517 AMAQI
13th Oct 2025498 AMAQI
13th Oct 2025519 AMAQI
13th Oct 20255310 AMAQI
13th Oct 20255111 AMAQI
13th Oct 20255412 PMAQI
13th Oct 2025611 PMAQI
13th Oct 2025612 PMAQI
13th Oct 2025593 PMAQI
13th Oct 2025564 PMAQI
13th Oct 2025585 PMAQI
13th Oct 2025566 PMAQI
13th Oct 2025527 PMAQI
13th Oct 2025548 PMAQI
13th Oct 2025509 PMAQI
13th Oct 20254810 PMAQI
13th Oct 20254411 PMAQI
14th Oct 20255912 AMAQI
14th Oct 2025561 AMAQI
14th Oct 2025562 AMAQI
14th Oct 2025543 AMAQI
14th Oct 2025534 AMAQI
26°C23/31°C
14th Oct 2025535 AMAQI
14th Oct 2025456 AMAQI
14th Oct 2025507 AMAQI
14th Oct 2025518 AMAQI
14th Oct 2025539 AMAQI
14th Oct 20255510 AMAQI
14th Oct 20255411 AMAQI
14th Oct 20255512 PMAQI
14th Oct 2025541 PMAQI
14th Oct 2025542 PMAQI
14th Oct 2025603 PMAQI
14th Oct 2025564 PMAQI
14th Oct 2025545 PMAQI
14th Oct 2025496 PMAQI
14th Oct 2025517 PMAQI
14th Oct 2025558 PMAQI
14th Oct 2025549 PMAQI
14th Oct 20255310 PMAQI
14th Oct 20255611 PMAQI
15th Oct 20255612 AMAQI
15th Oct 2025571 AMAQI
15th Oct 2025612 AMAQI
15th Oct 2025613 AMAQI
15th Oct 2025574 AMAQI
21°C18/22°C
15th Oct 2025545 AMAQI
15th Oct 2025536 AMAQI
15th Oct 2025497 AMAQI
15th Oct 2025348 AMAQI
15th Oct 2025279 AMAQI
15th Oct 20253410 AMAQI
15th Oct 20251211 AMAQI
15th Oct 20253212 PMAQI
15th Oct 2025241 PMAQI
15th Oct 2025302 PMAQI
15th Oct 2025233 PMAQI
15th Oct 2025304 PMAQI
15th Oct 2025445 PMAQI
15th Oct 2025456 PMAQI
15th Oct 2025427 PMAQI
15th Oct 2025498 PMAQI
15th Oct 2025479 PMAQI
15th Oct 20255310 PMAQI
15th Oct 20255211 PMAQI
16th Oct 20255412 AMAQI
16th Oct 2025501 AMAQI
16th Oct 2025472 AMAQI
16th Oct 2025463 AMAQI
16th Oct 2025464 AMAQI
19°C19/20°C
16th Oct 2025505 AMAQI
16th Oct 2025436 AMAQI
16th Oct 2025367 AMAQI
16th Oct 2025298 AMAQI
16th Oct 2025339 AMAQI
16th Oct 20252810 AMAQI
16th Oct 20253111 AMAQI
16th Oct 20252912 PMAQI
16th Oct 2025441 PMAQI
16th Oct 2025402 PMAQI
16th Oct 2025223 PMAQI
16th Oct 2025414 PMAQI
16th Oct 2025505 PMAQI
16th Oct 2025496 PMAQI
16th Oct 2025517 PMAQI
16th Oct 2025498 PMAQI
16th Oct 2025469 PMAQI
16th Oct 20254810 PMAQI
16th Oct 20254711 PMAQI
17th Oct 20255312 AMAQI
17th Oct 2025451 AMAQI
17th Oct 2025462 AMAQI
17th Oct 2025483 AMAQI
17th Oct 2025464 AMAQI
22°C20/26°C
17th Oct 2025485 AMAQI
17th Oct 2025516 AMAQI
17th Oct 2025487 AMAQI
17th Oct 2025498 AMAQI
17th Oct 2025469 AMAQI
17th Oct 20254410 AMAQI
17th Oct 20254011 AMAQI
17th Oct 20253412 PMAQI
17th Oct 2025351 PMAQI
17th Oct 2025342 PMAQI
17th Oct 2025363 PMAQI
17th Oct 2025354 PMAQI
17th Oct 2025405 PMAQI
17th Oct 2025476 PMAQI
17th Oct 2025597 PMAQI
17th Oct 2025578 PMAQI
17th Oct 2025559 PMAQI
17th Oct 20255610 PMAQI
17th Oct 20255711 PMAQI
18th Oct 20255612 AMAQI
18th Oct 2025561 AMAQI
18th Oct 2025542 AMAQI
18th Oct 2025583 AMAQI
18th Oct 2025604 AMAQI
23°C20/26°C
18th Oct 2025555 AMAQI
18th Oct 2025486 AMAQI
18th Oct 2025537 AMAQI
18th Oct 2025548 AMAQI
18th Oct 2025559 AMAQI
18th Oct 20254910 AMAQI
18th Oct 20255111 AMAQI
18th Oct 20255412 PMAQI
18th Oct 2025541 PMAQI
18th Oct 2025532 PMAQI
18th Oct 2025513 PMAQI
18th Oct 2025524 PMAQI
18th Oct 2025535 PMAQI
18th Oct 2025486 PMAQI
18th Oct 2025507 PMAQI
18th Oct 2025428 PMAQI
18th Oct 2025469 PMAQI
18th Oct 20255110 PMAQI
18th Oct 20255011 PMAQI
19th Oct 20255312 AMAQI
19th Oct 2025511 AMAQI
19th Oct 2025442 AMAQI
--°C/°C
5 AM
11 AM
5 PM
11 PM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 AM
41AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
9 AM - 11 AM
36AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 41), while the lowest AQI was between 9 AM to 11 AM (Avg. 36).
Night time
Avg. Highest Time
2 AM - 4 AM
43AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM - 11 PM
40AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 43), while the lowest AQI was between 6 PM to 11 PM (Avg. 40).
2025 Days Vs Air Quality
Yokosuka, Iwata, Shizuoka, Japan
2025
86%
249
14%
41
0.3%
1
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Good
249 DaysModerate
41 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 291 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
39AQI
39AQI
12th August 2025
37AQI
37AQI
13th August 2025
38AQI
38AQI
14th August 2025
36AQI
36AQI
15th August 2025
40AQI
40AQI
16th August 2025
38AQI
38AQI
17th August 2025
41AQI
41AQI
18th August 2025
43AQI
43AQI
19th August 2025
45AQI
45AQI
20th August 2025
46AQI
46AQI
21st August 2025
48AQI
48AQI
22nd August 2025
44AQI
44AQI
23rd August 2025
48AQI
48AQI
24th August 2025
56AQI
56AQI
25th August 2025
57AQI
57AQI
26th August 2025
52AQI
52AQI
27th August 2025
53AQI
53AQI
28th August 2025
51AQI
51AQI
29th August 2025
55AQI
55AQI
30th August 2025
56AQI
56AQI
31st August 2025
55AQI
55AQI
1st September 2025
40AQI
40AQI
2nd September 2025
34AQI
34AQI
3rd September 2025
38AQI
38AQI
4th September 2025
25AQI
25AQI
5th September 2025
24AQI
24AQI
6th September 2025
27AQI
27AQI
7th September 2025
30AQI
30AQI
8th September 2025
36AQI
36AQI
9th September 2025
39AQI
39AQI
10th September 2025
34AQI
34AQI
11th September 2025
29AQI
29AQI
12th September 2025
30AQI
30AQI
13th September 2025
27AQI
27AQI
14th September 2025
35AQI
35AQI
15th September 2025
43AQI
43AQI
16th September 2025
47AQI
47AQI
17th September 2025
51AQI
51AQI
18th September 2025
44AQI
44AQI
19th September 2025
34AQI
34AQI
20th September 2025
31AQI
31AQI
21st September 2025
28AQI
28AQI
22nd September 2025
30AQI
30AQI
23rd September 2025
29AQI
29AQI
24th September 2025
29AQI
29AQI
25th September 2025
35AQI
35AQI
26th September 2025
26AQI
26AQI
27th September 2025
29AQI
29AQI
28th September 2025
25AQI
25AQI
29th September 2025
20AQI
20AQI
30th September 2025
22AQI
22AQI
1st October 2025
22AQI
22AQI
2nd October 2025
46AQI
46AQI
3rd October 2025
46AQI
46AQI
4th October 2025
54AQI
54AQI
5th October 2025
49AQI
49AQI
6th October 2025
42AQI
42AQI
7th October 2025
50AQI
50AQI
8th October 2025
56AQI
56AQI
9th October 2025
60AQI
60AQI
10th October 2025
58AQI
58AQI
11th October 2025
51AQI
51AQI
12th October 2025
43AQI
43AQI
13th October 2025
55AQI
55AQI
14th October 2025
54AQI
54AQI
15th October 2025
46AQI
46AQI
16th October 2025
45AQI
45AQI
17th October 2025
48AQI
48AQI
18th October 2025
55AQI
55AQI
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
32AQI
33AQI
41AQI
38AQI
34AQI
34AQI
43AQI
47AQI
32AQI
49AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202538AQI
30
1
28
25
5
1
27
3
30
1
29
1
22
9
19
12
29
1
10
8
249
41
1
Highest AQI recorded in
October49AQI
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.)
38AQILeast Polluted Year Recorded
2020(Avg.)
34AQIYokosuka's annual 2025 AQI (38) shows an average percentage change of 11.8% (worsened AQI) compared to previous years: 2020 (34), 2021 (35), 2022 (34), 2023 (34), 2024 (34).
