Oiso, 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
Oiso, Kanagawa, Japan
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
27th Aug 2021
76AQILowest AQI recorded on
26th Aug 2024
12AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Oiso, Kanagawa, Japan
AQI
Day
Night
.
4 AM5th Aug 2025
6 PM
3 AM6th Aug 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
10AM5th Aug
62AQI
Avg. Lowest Time
10PM5th Aug
47AQI
In the last 24 hours,
Oiso's AQI reached its highest point of 62 at 10 AM during the Night, while the lowest point, 47, was recorded at 10 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Oiso, Kanagawa, Japan
JulAug
07th - 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 - 05th05th - 06th06th
Day
Night
7th Jul 2025504 AMAQI
7th Jul 2025525 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025528 AMAQI
7th Jul 2025889 AMAQI
7th Jul 202510210 AMAQI
7th Jul 202510311 AMAQI
7th Jul 202510612 PMAQI
7th Jul 2025931 PMAQI
7th Jul 2025802 PMAQI
7th Jul 2025553 PMAQI
7th Jul 2025564 PMAQI
7th Jul 2025685 PMAQI
7th Jul 20251106 PMAQI
7th Jul 20251147 PMAQI
7th Jul 20251008 PMAQI
7th Jul 2025789 PMAQI
7th Jul 20257910 PMAQI
7th Jul 20257911 PMAQI
8th Jul 20257912 AMAQI
8th Jul 2025681 AMAQI
8th Jul 2025552 AMAQI
8th Jul 2025563 AMAQI
27°C26/30°C
8th Jul 2025584 AMAQI
8th Jul 2025625 AMAQI
8th Jul 2025636 AMAQI
8th Jul 2025637 AMAQI
8th Jul 2025638 AMAQI
8th Jul 20251089 AMAQI
8th Jul 202512310 AMAQI
8th Jul 202511811 AMAQI
8th Jul 202511112 PMAQI
8th Jul 2025911 PMAQI
8th Jul 2025582 PMAQI
8th Jul 2025603 PMAQI
8th Jul 2025594 PMAQI
8th Jul 2025565 PMAQI
8th Jul 2025726 PMAQI
8th Jul 2025907 PMAQI
8th Jul 2025898 PMAQI
8th Jul 2025799 PMAQI
8th Jul 20258010 PMAQI
8th Jul 20257911 PMAQI
9th Jul 20257912 AMAQI
9th Jul 2025741 AMAQI
9th Jul 2025642 AMAQI
9th Jul 2025643 AMAQI
27°C26/30°C
9th Jul 2025674 AMAQI
9th Jul 2025715 AMAQI
9th Jul 2025716 AMAQI
9th Jul 2025727 AMAQI
9th Jul 2025728 AMAQI
9th Jul 2025989 AMAQI
9th Jul 202511610 AMAQI
9th Jul 202511911 AMAQI
9th Jul 202510812 PMAQI
9th Jul 2025961 PMAQI
9th Jul 2025862 PMAQI
9th Jul 2025553 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025525 PMAQI
9th Jul 2025596 PMAQI
9th Jul 2025607 PMAQI
9th Jul 2025588 PMAQI
9th Jul 2025629 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256311 PMAQI
10th Jul 20256312 AMAQI
10th Jul 2025661 AMAQI
10th Jul 2025712 AMAQI
10th Jul 2025723 AMAQI
28°C26/29°C
10th Jul 2025734 AMAQI
10th Jul 2025765 AMAQI
10th Jul 2025766 AMAQI
10th Jul 2025767 AMAQI
10th Jul 2025768 AMAQI
10th Jul 2025359 AMAQI
10th Jul 20252510 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025421 PMAQI
10th Jul 2025422 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025395 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025417 PMAQI
10th Jul 2025448 PMAQI
10th Jul 2025629 PMAQI
10th Jul 20256410 PMAQI
10th Jul 20256311 PMAQI
11th Jul 20256112 AMAQI
11th Jul 2025641 AMAQI
11th Jul 2025702 AMAQI
11th Jul 2025703 AMAQI
27°C25/30°C
11th Jul 2025694 AMAQI
11th Jul 2025665 AMAQI
11th Jul 2025666 AMAQI
11th Jul 2025667 AMAQI
11th Jul 2025668 AMAQI
11th Jul 2025339 AMAQI
11th Jul 20251910 AMAQI
11th Jul 20252011 AMAQI
11th Jul 20252212 PMAQI
11th Jul 2025361 PMAQI
11th Jul 2025372 PMAQI
11th Jul 2025363 PMAQI
11th Jul 2025404 PMAQI
11th Jul 2025425 PMAQI
11th Jul 2025416 PMAQI
11th Jul 2025407 PMAQI
11th Jul 2025458 PMAQI
11th Jul 2025569 PMAQI
11th Jul 20255810 PMAQI
11th Jul 20255811 PMAQI
12th Jul 20255812 AMAQI
12th Jul 2025601 AMAQI
12th Jul 2025652 AMAQI
12th Jul 2025653 AMAQI
24°C23/26°C
12th Jul 2025644 AMAQI
12th Jul 2025625 AMAQI
12th Jul 2025626 AMAQI
12th Jul 2025627 AMAQI
12th Jul 2025628 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253812 PMAQI
12th Jul 2025461 PMAQI
12th Jul 2025492 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025586 PMAQI
12th Jul 2025557 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255810 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255712 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025622 AMAQI
13th Jul 2025623 AMAQI
24°C22/27°C
13th Jul 2025614 AMAQI
13th Jul 2025595 AMAQI
13th Jul 2025596 AMAQI
13th Jul 2025607 AMAQI
13th Jul 2025598 AMAQI
13th Jul 2025499 AMAQI
13th Jul 20254110 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20254912 PMAQI
13th Jul 2025481 PMAQI
13th Jul 2025462 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025404 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025386 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025408 PMAQI
13th Jul 2025569 PMAQI
13th Jul 20255710 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025592 AMAQI
14th Jul 2025593 AMAQI
26°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 2025289 AMAQI
14th Jul 20251810 AMAQI
14th Jul 20251711 AMAQI
14th Jul 20251812 PMAQI
14th Jul 2025291 PMAQI
14th Jul 2025282 PMAQI
14th Jul 2025213 PMAQI
14th Jul 2025224 PMAQI
14th Jul 2025265 PMAQI
14th Jul 2025286 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255111 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
26°C25/29°C
15th Jul 2025564 AMAQI
15th Jul 2025545 AMAQI
15th Jul 2025546 AMAQI
15th Jul 2025547 AMAQI
15th Jul 2025548 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252110 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20254112 PMAQI
15th Jul 2025461 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025365 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025327 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20255010 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20255012 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
26°C25/28°C
16th Jul 2025544 AMAQI
16th Jul 2025535 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025537 AMAQI
16th Jul 2025538 AMAQI
16th Jul 2025519 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20253811 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025341 PMAQI
16th Jul 2025402 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025394 PMAQI
16th Jul 2025365 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025347 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025449 PMAQI
16th Jul 20254410 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025501 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
26°C25/28°C
17th Jul 2025524 AMAQI
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025329 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20253712 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025373 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025366 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20254512 AMAQI
18th Jul 2025461 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
27°C25/29°C
18th Jul 2025514 AMAQI
18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025507 AMAQI
18th Jul 2025518 AMAQI
18th Jul 2025279 AMAQI
18th Jul 20251510 AMAQI
18th Jul 20252811 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025273 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025389 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254112 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025493 AMAQI
26°C24/28°C
19th Jul 2025484 AMAQI
19th Jul 2025465 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025299 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252712 PMAQI
19th Jul 2025231 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025183 PMAQI
19th Jul 2025194 PMAQI
19th Jul 2025185 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025238 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
27°C25/29°C
20th Jul 2025464 AMAQI
20th Jul 2025445 AMAQI
20th Jul 2025446 AMAQI
20th Jul 2025447 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252211 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025311 PMAQI
20th Jul 2025242 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025174 PMAQI
20th Jul 2025155 PMAQI
20th Jul 2025156 PMAQI
20th Jul 2025187 PMAQI
20th Jul 2025268 PMAQI
20th Jul 2025359 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253511 PMAQI
21st Jul 20253512 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
27°C25/29°C
21st Jul 2025424 AMAQI
21st Jul 2025395 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20252610 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20252512 PMAQI
21st Jul 2025261 PMAQI
21st Jul 2025252 PMAQI
21st Jul 2025263 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025286 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253112 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025392 AMAQI
22nd Jul 2025393 AMAQI
28°C26/30°C
22nd Jul 2025384 AMAQI
22nd Jul 2025385 AMAQI
22nd Jul 2025386 AMAQI
22nd Jul 2025387 AMAQI
22nd Jul 2025388 AMAQI
22nd Jul 2025449 AMAQI
22nd Jul 20255210 AMAQI
22nd Jul 20254511 AMAQI
22nd Jul 20253012 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025273 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025205 PMAQI
22nd Jul 2025156 PMAQI
22nd Jul 2025187 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252810 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025341 AMAQI
23rd Jul 2025372 AMAQI
23rd Jul 2025373 AMAQI
28°C26/30°C
23rd Jul 2025374 AMAQI
23rd Jul 2025385 AMAQI
23rd Jul 2025386 AMAQI
23rd Jul 2025387 AMAQI
23rd Jul 2025378 AMAQI
23rd Jul 2025259 AMAQI
23rd Jul 20251910 AMAQI
23rd Jul 20252811 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025311 PMAQI
23rd Jul 2025272 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025245 PMAQI
23rd Jul 2025236 PMAQI
23rd Jul 2025257 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253311 PMAQI
24th Jul 20253512 AMAQI
24th Jul 2025311 AMAQI
24th Jul 2025352 AMAQI
24th Jul 2025343 AMAQI
28°C26/30°C
24th Jul 2025344 AMAQI
24th Jul 2025345 AMAQI
24th Jul 2025346 AMAQI
24th Jul 2025347 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20255010 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254412 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025292 PMAQI
24th Jul 2025273 PMAQI
24th Jul 2025264 PMAQI
24th Jul 2025235 PMAQI
24th Jul 2025246 PMAQI
24th Jul 2025247 PMAQI
24th Jul 2025278 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253210 PMAQI
24th Jul 20253011 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025301 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025343 AMAQI
28°C26/30°C
25th Jul 2025344 AMAQI
25th Jul 2025355 AMAQI
25th Jul 2025366 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025348 AMAQI
25th Jul 2025339 AMAQI
25th Jul 20252810 AMAQI
25th Jul 20252011 AMAQI
25th Jul 20252912 PMAQI
25th Jul 2025291 PMAQI
25th Jul 2025242 PMAQI
25th Jul 2025183 PMAQI
25th Jul 2025224 PMAQI
25th Jul 2025245 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025278 PMAQI
25th Jul 2025319 PMAQI
25th Jul 20253810 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20252712 AMAQI
26th Jul 2025281 AMAQI
26th Jul 2025322 AMAQI
26th Jul 2025323 AMAQI
29°C26/31°C
26th Jul 2025324 AMAQI
26th Jul 2025315 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025317 AMAQI
26th Jul 2025318 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252610 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20252612 PMAQI
26th Jul 2025251 PMAQI
26th Jul 2025282 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025227 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025439 PMAQI
26th Jul 20253910 PMAQI
26th Jul 20252611 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025312 AMAQI
27th Jul 2025313 AMAQI
29°C26/32°C
27th Jul 2025314 AMAQI
27th Jul 2025305 AMAQI
27th Jul 2025306 AMAQI
27th Jul 2025307 AMAQI
27th Jul 2025308 AMAQI
27th Jul 2025269 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025252 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025205 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025208 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20253010 PMAQI
27th Jul 20252911 PMAQI
28th Jul 20252512 AMAQI
28th Jul 2025261 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025303 AMAQI
28°C26/31°C
28th Jul 2025304 AMAQI
28th Jul 2025285 AMAQI
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025298 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20254310 AMAQI
28th Jul 20254511 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025331 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025183 PMAQI
28th Jul 2025174 PMAQI
28th Jul 2025165 PMAQI
28th Jul 2025166 PMAQI
28th Jul 2025157 PMAQI
28th Jul 2025178 PMAQI
28th Jul 2025219 PMAQI
28th Jul 20252210 PMAQI
28th Jul 20252111 PMAQI
29th Jul 20252412 AMAQI
29th Jul 2025261 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025283 AMAQI
28°C26/31°C
29th Jul 2025294 AMAQI
29th Jul 2025285 AMAQI
29th Jul 2025296 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025379 AMAQI
29th Jul 20253910 AMAQI
29th Jul 20253711 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025301 PMAQI
29th Jul 2025332 PMAQI
29th Jul 2025333 PMAQI
29th Jul 2025274 PMAQI
29th Jul 2025245 PMAQI
29th Jul 2025226 PMAQI
29th Jul 2025207 PMAQI
29th Jul 2025218 PMAQI
29th Jul 2025249 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025251 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025283 AMAQI
28°C26/31°C
30th Jul 2025284 AMAQI
30th Jul 2025295 AMAQI
30th Jul 2025296 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025298 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252110 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025325 PMAQI
30th Jul 2025296 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025348 PMAQI
30th Jul 2025339 PMAQI
30th Jul 20253210 PMAQI
30th Jul 20253411 PMAQI
31st Jul 20253312 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 20253711 AMAQI
31st Jul 20254612 PMAQI
31st Jul 2025491 PMAQI
31st Jul 2025412 PMAQI
31st Jul 2025383 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025335 PMAQI
31st Jul 2025296 PMAQI
31st Jul 2025257 PMAQI
31st Jul 2025268 PMAQI
31st Jul 2025279 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20252711 PMAQI
1st Aug 20252712 AMAQI
1st Aug 2025281 AMAQI
1st Aug 2025292 AMAQI
1st Aug 2025313 AMAQI
28°C25/32°C
1st Aug 2025314 AMAQI
1st Aug 2025335 AMAQI
1st Aug 2025336 AMAQI
1st Aug 2025347 AMAQI
1st Aug 2025348 AMAQI
1st Aug 2025319 AMAQI
1st Aug 20253010 AMAQI
1st Aug 20254111 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025341 PMAQI
1st Aug 2025382 PMAQI
1st Aug 2025293 PMAQI
1st Aug 2025434 PMAQI
1st Aug 2025345 PMAQI
1st Aug 2025416 PMAQI
1st Aug 2025267 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252912 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025342 AMAQI
2nd Aug 2025353 AMAQI
28°C26/31°C
2nd Aug 2025374 AMAQI
2nd Aug 2025375 AMAQI
2nd Aug 2025376 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025378 AMAQI
2nd Aug 2025359 AMAQI
2nd Aug 20254210 AMAQI
2nd Aug 20254711 AMAQI
2nd Aug 20254512 PMAQI
2nd Aug 2025541 PMAQI
2nd Aug 2025562 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025564 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025556 PMAQI
2nd Aug 2025507 PMAQI
2nd Aug 2025418 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20253510 PMAQI
2nd Aug 20253811 PMAQI
3rd Aug 20253412 AMAQI
3rd Aug 2025351 AMAQI
3rd Aug 2025372 AMAQI
3rd Aug 2025363 AMAQI
29°C27/31°C
3rd Aug 2025404 AMAQI
3rd Aug 2025395 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025398 AMAQI
3rd Aug 2025489 AMAQI
3rd Aug 20255610 AMAQI
3rd Aug 20255511 AMAQI
3rd Aug 20255712 PMAQI
3rd Aug 2025541 PMAQI
3rd Aug 2025562 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025494 PMAQI
3rd Aug 2025485 PMAQI
3rd Aug 2025516 PMAQI
3rd Aug 2025497 PMAQI
3rd Aug 2025468 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 2025383 AMAQI
29°C27/32°C
4th Aug 2025434 AMAQI
4th Aug 2025435 AMAQI
4th Aug 2025446 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025629 AMAQI
4th Aug 20257710 AMAQI
4th Aug 20258311 AMAQI
4th Aug 20258912 PMAQI
4th Aug 2025931 PMAQI
4th Aug 2025962 PMAQI
4th Aug 2025923 PMAQI
4th Aug 2025974 PMAQI
4th Aug 20251025 PMAQI
4th Aug 2025946 PMAQI
4th Aug 2025807 PMAQI
4th Aug 2025798 PMAQI
4th Aug 2025619 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025441 AMAQI
5th Aug 2025422 AMAQI
5th Aug 2025403 AMAQI
29°C27/33°C
5th Aug 2025514 AMAQI
5th Aug 2025545 AMAQI
5th Aug 2025536 AMAQI
5th Aug 2025537 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025599 AMAQI
5th Aug 20256210 AMAQI
5th Aug 20256211 AMAQI
5th Aug 20255512 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025572 PMAQI
5th Aug 2025523 PMAQI
5th Aug 2025564 PMAQI
5th Aug 2025525 PMAQI
5th Aug 2025506 PMAQI
5th Aug 2025497 PMAQI
5th Aug 2025498 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254710 PMAQI
5th Aug 20254811 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025511 AMAQI
6th Aug 2025502 AMAQI
6th Aug 2025503 AMAQI
--°C/°C
6th Aug 2025524 AMAQI
4 AM6th Aug 2025525 AMAQI
6th Aug 2025526 AMAQI
6th Aug 2025537 AMAQI
11 AM
6 PM
11 PM
3 AM
--°C/°C
Day time
Avg. Highest Time
4 AM - 8 AM
46AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
3 PM - 6 PM
38AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 8 AM (Avg. 46), while the lowest AQI was between 3 PM to 6 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 3 AM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM - 8 PM
39AQI
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. 44), while the lowest AQI was between 7 PM to 8 PM (Avg. 39).
2025 Days Vs Air Quality
Oiso, Kanagawa, Japan
2025
94%
204
6%
12
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
204 DaysModerate
12 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 217 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
Oiso, 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
26AQI
26AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
23AQI
23AQI
4th January 2025
24AQI
24AQI
5th January 2025
22AQI
22AQI
6th January 2025
47AQI
47AQI
7th January 2025
30AQI
30AQI
8th January 2025
38AQI
38AQI
9th January 2025
30AQI
30AQI
10th January 2025
28AQI
28AQI
11th January 2025
24AQI
24AQI
12th January 2025
25AQI
25AQI
13th January 2025
30AQI
30AQI
14th January 2025
26AQI
26AQI
15th January 2025
31AQI
31AQI
16th January 2025
22AQI
22AQI
17th January 2025
25AQI
25AQI
18th January 2025
25AQI
25AQI
19th January 2025
28AQI
28AQI
20th January 2025
26AQI
26AQI
21st January 2025
31AQI
31AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
39AQI
39AQI
24th January 2025
37AQI
37AQI
25th January 2025
37AQI
37AQI
26th January 2025
34AQI
34AQI
27th January 2025
31AQI
31AQI
28th January 2025
30AQI
30AQI
29th January 2025
31AQI
31AQI
30th January 2025
29AQI
29AQI
31st January 2025
25AQI
25AQI
1st February 2025
25AQI
25AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
28AQI
28AQI
4th February 2025
30AQI
30AQI
5th February 2025
30AQI
30AQI
6th February 2025
29AQI
29AQI
7th February 2025
29AQI
29AQI
8th February 2025
30AQI
30AQI
9th February 2025
29AQI
29AQI
10th February 2025
27AQI
27AQI
11th February 2025
28AQI
28AQI
12th February 2025
29AQI
29AQI
13th February 2025
29AQI
29AQI
14th February 2025
27AQI
27AQI
15th February 2025
28AQI
28AQI
16th February 2025
31AQI
31AQI
17th February 2025
34AQI
34AQI
18th February 2025
28AQI
28AQI
19th February 2025
30AQI
30AQI
20th February 2025
28AQI
28AQI
21st February 2025
32AQI
32AQI
22nd February 2025
30AQI
30AQI
23rd February 2025
31AQI
31AQI
24th February 2025
31AQI
31AQI
25th February 2025
34AQI
34AQI
26th February 2025
34AQI
34AQI
27th February 2025
36AQI
36AQI
28th February 2025
39AQI
39AQI
1st March 2025
50AQI
50AQI
2nd March 2025
42AQI
42AQI
3rd March 2025
39AQI
39AQI
4th March 2025
30AQI
30AQI
5th March 2025
28AQI
28AQI
6th March 2025
27AQI
27AQI
7th March 2025
31AQI
31AQI
8th March 2025
30AQI
30AQI
9th March 2025
33AQI
33AQI
10th March 2025
33AQI
33AQI
11th March 2025
31AQI
31AQI
12th March 2025
28AQI
28AQI
13th March 2025
33AQI
33AQI
14th March 2025
22AQI
22AQI
15th March 2025
19AQI
19AQI
16th March 2025
16AQI
16AQI
17th March 2025
16AQI
16AQI
18th March 2025
14AQI
14AQI
19th March 2025
14AQI
14AQI
20th March 2025
15AQI
15AQI
21st March 2025
22AQI
22AQI
22nd March 2025
30AQI
30AQI
23rd March 2025
30AQI
30AQI
24th March 2025
31AQI
31AQI
25th March 2025
45AQI
45AQI
26th March 2025
63AQI
63AQI
27th March 2025
55AQI
55AQI
28th March 2025
39AQI
39AQI
29th March 2025
30AQI
30AQI
30th March 2025
32AQI
32AQI
31st March 2025
27AQI
27AQI
1st April 2025
21AQI
21AQI
2nd April 2025
20AQI
20AQI
3rd April 2025
18AQI
18AQI
4th April 2025
18AQI
18AQI
5th April 2025
17AQI
17AQI
6th April 2025
16AQI
16AQI
7th April 2025
16AQI
16AQI
8th April 2025
19AQI
19AQI
9th April 2025
22AQI
22AQI
10th April 2025
24AQI
24AQI
11th April 2025
23AQI
23AQI
12th April 2025
23AQI
23AQI
13th April 2025
18AQI
18AQI
14th April 2025
23AQI
23AQI
15th April 2025
19AQI
19AQI
16th April 2025
20AQI
20AQI
17th April 2025
26AQI
26AQI
18th April 2025
30AQI
30AQI
19th April 2025
32AQI
32AQI
20th April 2025
26AQI
26AQI
21st April 2025
24AQI
24AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
17AQI
17AQI
24th April 2025
18AQI
18AQI
25th April 2025
19AQI
19AQI
26th April 2025
22AQI
22AQI
27th April 2025
23AQI
23AQI
28th April 2025
21AQI
21AQI
29th April 2025
18AQI
18AQI
30th April 2025
21AQI
21AQI
1st May 2025
21AQI
21AQI
2nd May 2025
17AQI
17AQI
3rd May 2025
16AQI
16AQI
4th May 2025
20AQI
20AQI
5th May 2025
18AQI
18AQI
6th May 2025
17AQI
17AQI
7th May 2025
15AQI
15AQI
8th May 2025
17AQI
17AQI
9th May 2025
17AQI
17AQI
10th May 2025
14AQI
14AQI
11th May 2025
17AQI
17AQI
12th May 2025
16AQI
16AQI
13th May 2025
19AQI
19AQI
14th May 2025
18AQI
18AQI
15th May 2025
20AQI
20AQI
16th May 2025
21AQI
21AQI
17th May 2025
19AQI
19AQI
18th May 2025
22AQI
22AQI
19th May 2025
26AQI
26AQI
20th May 2025
53AQI
53AQI
21st May 2025
32AQI
32AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
25AQI
25AQI
24th May 2025
25AQI
25AQI
25th May 2025
18AQI
18AQI
26th May 2025
19AQI
19AQI
27th May 2025
22AQI
22AQI
28th May 2025
16AQI
16AQI
29th May 2025
19AQI
19AQI
30th May 2025
15AQI
15AQI
31st May 2025
14AQI
14AQI
1st June 2025
14AQI
14AQI
2nd June 2025
17AQI
17AQI
3rd June 2025
17AQI
17AQI
4th June 2025
19AQI
19AQI
5th June 2025
23AQI
23AQI
6th June 2025
27AQI
27AQI
7th June 2025
37AQI
37AQI
8th June 2025
32AQI
32AQI
9th June 2025
27AQI
27AQI
10th June 2025
23AQI
23AQI
11th June 2025
24AQI
24AQI
12th June 2025
27AQI
27AQI
13th June 2025
22AQI
22AQI
14th June 2025
20AQI
20AQI
15th June 2025
24AQI
24AQI
16th June 2025
25AQI
25AQI
17th June 2025
30AQI
30AQI
18th June 2025
31AQI
31AQI
19th June 2025
30AQI
30AQI
20th June 2025
25AQI
25AQI
21st June 2025
21AQI
21AQI
22nd June 2025
12AQI
12AQI
23rd June 2025
14AQI
14AQI
24th June 2025
15AQI
15AQI
25th June 2025
19AQI
19AQI
26th June 2025
15AQI
15AQI
27th June 2025
18AQI
18AQI
28th June 2025
23AQI
23AQI
29th June 2025
24AQI
24AQI
30th June 2025
36AQI
36AQI
1st July 2025
37AQI
37AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
40AQI
40AQI
4th July 2025
38AQI
38AQI
5th July 2025
50AQI
50AQI
6th July 2025
59AQI
59AQI
7th July 2025
75AQI
75AQI
8th July 2025
76AQI
76AQI
9th July 2025
72AQI
72AQI
10th July 2025
55AQI
55AQI
11th July 2025
51AQI
51AQI
12th July 2025
55AQI
55AQI
13th July 2025
51AQI
51AQI
14th July 2025
42AQI
42AQI
15th July 2025
45AQI
45AQI
16th July 2025
44AQI
44AQI
17th July 2025
44AQI
44AQI
18th July 2025
38AQI
38AQI
19th July 2025
33AQI
33AQI
20th July 2025
32AQI
32AQI
21st July 2025
33AQI
33AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
31AQI
31AQI
24th July 2025
33AQI
33AQI
25th July 2025
30AQI
30AQI
26th July 2025
29AQI
29AQI
27th July 2025
26AQI
26AQI
28th July 2025
26AQI
26AQI
29th July 2025
28AQI
28AQI
30th July 2025
29AQI
29AQI
31st July 2025
30AQI
30AQI
1st August 2025
32AQI
32AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
45AQI
45AQI
4th August 2025
62AQI
62AQI
30AQI
30AQI
31AQI
21AQI
21AQI
23AQI
42AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202529AQI
31
28
29
2
30
30
1
30
23
8
3
1
204
12
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
May21AQI
202433AQI
29
29
25
4
29
1
30
1
29
1
13
18
31
29
1
31
30
31
336
26
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
December25AQI
202339AQI
27
2
24
4
26
5
22
8
25
6
21
9
21
10
29
2
28
2
29
2
22
7
28
3
302
60
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August31AQI
202237AQI
30
1
17
2
26
5
20
10
23
8
25
5
19
3
1
24
4
31
30
31
277
38
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August19AQI
202134AQI
27
2
22
3
28
21
1
25
6
27
3
30
1
26
5
29
1
31
28
2
31
325
24
Highest AQI recorded in
May40AQI
Lowest AQI recorded in
February30AQI
202035AQI
12
1
20
1
16
2
22
8
28
3
17
13
1
17
2
29
2
24
6
28
3
213
41
1
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
May28AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2025(Avg.)
29AQIOiso's annual 2025 AQI (29) shows an average percentage change of -19.5% (improved AQI) compared to previous years: 2020 (35), 2021 (34), 2022 (37), 2023 (39), 2024 (33).
