Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Osumidai, Isehara, 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

Osumidai, Isehara, Kanagawa, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2026
63AQI
Lowest AQI recorded on
30th Aug 2024
11AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Osumidai, Isehara, Kanagawa, Japan

AQI
Day
Night
.

4 AM16th Aug 2026

6 PM

3 AM17th Aug 2026

Day time
Avg. Highest Time
3PM16th Aug

25AQI

Avg. Lowest Time
4PM16th Aug

21AQI

Night time
Avg. Highest Time
12AM17th Aug

25AQI

Avg. Lowest Time
1AM17th Aug

21AQI

In the last 24 hours,

Osumidai's AQI reached its highest point of 25 at 3 PM during the Day, while the lowest point, 21, was recorded at 1 AM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Osumidai, Isehara, Kanagawa, Japan

JulAug
19th - 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 - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026124 AMAQI
19th Jul 2026105 AMAQI
19th Jul 2026106 AMAQI
19th Jul 2026127 AMAQI
19th Jul 2026128 AMAQI
19th Jul 2026109 AMAQI
19th Jul 20261210 AMAQI
19th Jul 20261911 AMAQI
19th Jul 20262112 PMAQI
19th Jul 2026211 PMAQI
19th Jul 2026122 PMAQI
19th Jul 202683 PMAQI
19th Jul 2026164 PMAQI
19th Jul 2026255 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026253 AMAQI

27°C24/29°C

20th Jul 2026254 AMAQI
20th Jul 2026255 AMAQI
20th Jul 2026216 AMAQI
20th Jul 2026237 AMAQI
20th Jul 2026218 AMAQI
20th Jul 2026219 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026311 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026313 PMAQI
20th Jul 2026314 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026256 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026259 PMAQI
20th Jul 20262910 PMAQI
20th Jul 20263111 PMAQI
21st Jul 20263312 AMAQI
21st Jul 2026311 AMAQI
21st Jul 2026362 AMAQI
21st Jul 2026363 AMAQI

29°C25/32°C

21st Jul 2026384 AMAQI
21st Jul 2026485 AMAQI
21st Jul 2026536 AMAQI
21st Jul 2026577 AMAQI
21st Jul 2026558 AMAQI
21st Jul 2026559 AMAQI
21st Jul 20265410 AMAQI
21st Jul 20265311 AMAQI
21st Jul 2026561 PMAQI
21st Jul 2026552 PMAQI
21st Jul 2026543 PMAQI
21st Jul 2026584 PMAQI
21st Jul 2026545 PMAQI
21st Jul 2026556 PMAQI
21st Jul 2026897 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026549 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026601 AMAQI
22nd Jul 2026592 AMAQI
22nd Jul 2026563 AMAQI

29°C26/33°C

22nd Jul 2026554 AMAQI
22nd Jul 2026585 AMAQI
22nd Jul 2026576 AMAQI
22nd Jul 2026607 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026629 AMAQI
22nd Jul 20266510 AMAQI
22nd Jul 20266411 AMAQI
22nd Jul 20266812 PMAQI
22nd Jul 2026701 PMAQI
22nd Jul 2026672 PMAQI
22nd Jul 2026673 PMAQI
22nd Jul 2026664 PMAQI
22nd Jul 2026665 PMAQI
22nd Jul 2026666 PMAQI
22nd Jul 2026657 PMAQI
22nd Jul 2026688 PMAQI
22nd Jul 2026639 PMAQI
22nd Jul 20266610 PMAQI
22nd Jul 20266711 PMAQI
23rd Jul 20266912 AMAQI
23rd Jul 2026601 AMAQI
23rd Jul 2026622 AMAQI
23rd Jul 2026593 AMAQI

29°C26/32°C

23rd Jul 2026534 AMAQI
23rd Jul 2026465 AMAQI
23rd Jul 2026626 AMAQI
23rd Jul 2026667 AMAQI
23rd Jul 2026858 AMAQI
23rd Jul 2026929 AMAQI
23rd Jul 20268910 AMAQI
23rd Jul 20268511 AMAQI
23rd Jul 20266812 PMAQI
23rd Jul 2026661 PMAQI
23rd Jul 2026672 PMAQI
23rd Jul 2026673 PMAQI
23rd Jul 2026694 PMAQI
23rd Jul 2026695 PMAQI
23rd Jul 2026646 PMAQI
23rd Jul 2026677 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026769 PMAQI
23rd Jul 20266910 PMAQI
23rd Jul 20267611 PMAQI
24th Jul 20266812 AMAQI
24th Jul 2026711 AMAQI
24th Jul 2026662 AMAQI
24th Jul 2026363 AMAQI

30°C26/34°C

24th Jul 2026644 AMAQI
24th Jul 2026635 AMAQI
24th Jul 2026676 AMAQI
24th Jul 2026677 AMAQI
24th Jul 2026728 AMAQI
24th Jul 2026569 AMAQI
24th Jul 20265310 AMAQI
24th Jul 20265911 AMAQI
24th Jul 20264612 PMAQI
24th Jul 2026551 PMAQI
24th Jul 2026572 PMAQI
24th Jul 2026583 PMAQI
24th Jul 2026584 PMAQI
24th Jul 2026245 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026489 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20265411 PMAQI
25th Jul 20265212 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026422 AMAQI
25th Jul 2026533 AMAQI

28°C26/30°C

25th Jul 2026524 AMAQI
25th Jul 2026585 AMAQI
25th Jul 2026576 AMAQI
25th Jul 2026627 AMAQI
25th Jul 2026598 AMAQI
25th Jul 2026589 AMAQI
25th Jul 20265910 AMAQI
25th Jul 20266011 AMAQI
25th Jul 20266412 PMAQI
25th Jul 2026661 PMAQI
25th Jul 2026632 PMAQI
25th Jul 2026673 PMAQI
25th Jul 2026694 PMAQI
25th Jul 2026715 PMAQI
25th Jul 2026746 PMAQI
25th Jul 2026767 PMAQI
25th Jul 2026628 PMAQI
25th Jul 2026479 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20263012 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026212 AMAQI
26th Jul 2026213 AMAQI

28°C25/31°C

26th Jul 2026214 AMAQI
26th Jul 2026215 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262311 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026361 PMAQI
26th Jul 2026382 PMAQI
26th Jul 2026443 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026253 AMAQI

26°C25/28°C

27th Jul 2026274 AMAQI
27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026238 AMAQI
27th Jul 2026239 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026322 PMAQI
27th Jul 2026273 PMAQI
27th Jul 2026314 PMAQI
27th Jul 2026185 PMAQI
27th Jul 2026186 PMAQI
27th Jul 2026317 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026339 PMAQI
27th Jul 20263110 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026233 AMAQI

26°C23/28°C

28th Jul 2026214 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026239 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262511 AMAQI
28th Jul 20262512 PMAQI
28th Jul 2026271 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026214 PMAQI
28th Jul 2026345 PMAQI
28th Jul 2026296 PMAQI
28th Jul 2026217 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026239 PMAQI
28th Jul 20262110 PMAQI
28th Jul 20262111 PMAQI
29th Jul 20262112 AMAQI
29th Jul 2026231 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026213 AMAQI

25°C23/28°C

29th Jul 2026214 AMAQI
29th Jul 2026215 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026218 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026253 AMAQI

27°C23/31°C

30th Jul 2026274 AMAQI
30th Jul 2026255 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026404 PMAQI
30th Jul 2026385 PMAQI
30th Jul 2026406 PMAQI
30th Jul 2026337 PMAQI
30th Jul 2026388 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20262610 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20265112 AMAQI
31st Jul 2026531 AMAQI
31st Jul 2026562 AMAQI
31st Jul 2026553 AMAQI

28°C25/33°C

31st Jul 2026574 AMAQI
31st Jul 2026545 AMAQI
31st Jul 2026546 AMAQI
31st Jul 2026577 AMAQI
31st Jul 2026578 AMAQI
31st Jul 2026559 AMAQI
31st Jul 20265810 AMAQI
31st Jul 20265611 AMAQI
31st Jul 20265812 PMAQI
31st Jul 2026591 PMAQI
31st Jul 2026632 PMAQI
31st Jul 2026643 PMAQI
31st Jul 2026624 PMAQI
31st Jul 2026665 PMAQI
31st Jul 2026626 PMAQI
31st Jul 2026647 PMAQI
31st Jul 2026628 PMAQI
31st Jul 2026659 PMAQI
31st Jul 20266210 PMAQI
31st Jul 20266011 PMAQI
1st Aug 20265812 AMAQI
1st Aug 2026581 AMAQI
1st Aug 2026632 AMAQI
1st Aug 2026543 AMAQI

28°C25/32°C

1st Aug 2026384 AMAQI
1st Aug 2026465 AMAQI
1st Aug 2026526 AMAQI
1st Aug 2026557 AMAQI
1st Aug 2026588 AMAQI
1st Aug 2026579 AMAQI
1st Aug 20266210 AMAQI
1st Aug 20266711 AMAQI
1st Aug 20266512 PMAQI
1st Aug 2026691 PMAQI
1st Aug 2026682 PMAQI
1st Aug 2026693 PMAQI
1st Aug 2026684 PMAQI
1st Aug 2026725 PMAQI
1st Aug 2026746 PMAQI
1st Aug 2026687 PMAQI
1st Aug 2026698 PMAQI
1st Aug 2026709 PMAQI
1st Aug 20267010 PMAQI
1st Aug 20267311 PMAQI
2nd Aug 20267412 AMAQI
2nd Aug 2026631 AMAQI
2nd Aug 2026642 AMAQI
2nd Aug 2026443 AMAQI

28°C26/32°C

2nd Aug 2026514 AMAQI
2nd Aug 2026625 AMAQI
2nd Aug 2026596 AMAQI
2nd Aug 2026657 AMAQI
2nd Aug 2026638 AMAQI
2nd Aug 2026649 AMAQI
2nd Aug 20266710 AMAQI
2nd Aug 20266211 AMAQI
2nd Aug 20265812 PMAQI
2nd Aug 2026631 PMAQI
2nd Aug 2026602 PMAQI
2nd Aug 2026633 PMAQI
2nd Aug 2026674 PMAQI
2nd Aug 2026635 PMAQI
2nd Aug 2026606 PMAQI
2nd Aug 2026607 PMAQI
2nd Aug 2026608 PMAQI
2nd Aug 2026509 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026121 AMAQI
3rd Aug 2026122 AMAQI
3rd Aug 2026123 AMAQI

28°C25/33°C

3rd Aug 2026124 AMAQI
3rd Aug 202685 AMAQI
3rd Aug 2026126 AMAQI
3rd Aug 202687 AMAQI
3rd Aug 202688 AMAQI
3rd Aug 202689 AMAQI
3rd Aug 2026810 AMAQI
3rd Aug 2026811 AMAQI
3rd Aug 2026812 PMAQI
3rd Aug 202681 PMAQI
3rd Aug 2026122 PMAQI
3rd Aug 2026123 PMAQI
3rd Aug 2026124 PMAQI
3rd Aug 2026155 PMAQI
3rd Aug 2026126 PMAQI
3rd Aug 2026127 PMAQI
3rd Aug 2026198 PMAQI
3rd Aug 2026239 PMAQI
3rd Aug 20261910 PMAQI
3rd Aug 20261911 PMAQI
4th Aug 20261912 AMAQI
4th Aug 2026191 AMAQI
4th Aug 2026172 AMAQI
4th Aug 2026173 AMAQI

24°C23/26°C

4th Aug 2026144 AMAQI
4th Aug 2026145 AMAQI
4th Aug 2026176 AMAQI
4th Aug 2026177 AMAQI
4th Aug 2026178 AMAQI
4th Aug 2026149 AMAQI
4th Aug 20262110 AMAQI
4th Aug 20262311 AMAQI
4th Aug 20262512 PMAQI
4th Aug 2026231 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026294 PMAQI
4th Aug 2026315 PMAQI
4th Aug 2026316 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026328 PMAQI
4th Aug 2026239 PMAQI
4th Aug 20262510 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI

25°C21/29°C

5th Aug 2026254 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262510 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026255 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20263111 PMAQI
6th Aug 20263112 AMAQI
6th Aug 2026291 AMAQI
6th Aug 2026272 AMAQI
6th Aug 2026273 AMAQI

26°C22/29°C

6th Aug 2026294 AMAQI
6th Aug 2026235 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026237 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262511 AMAQI
6th Aug 20262312 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026214 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026237 PMAQI
6th Aug 2026218 PMAQI
6th Aug 2026239 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262211 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026213 AMAQI

28°C25/31°C

7th Aug 2026214 AMAQI
7th Aug 2026315 AMAQI
7th Aug 2026296 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262310 AMAQI
7th Aug 20262311 AMAQI
7th Aug 20262312 PMAQI
7th Aug 2026291 PMAQI
7th Aug 2026232 PMAQI
7th Aug 2026233 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026219 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262112 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026233 AMAQI

27°C25/30°C

8th Aug 2026254 AMAQI
8th Aug 2026235 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026239 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262311 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026254 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026276 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026232 AMAQI
9th Aug 2026233 AMAQI

27°C25/30°C

9th Aug 2026294 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026232 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026234 PMAQI
9th Aug 2026215 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026278 PMAQI
9th Aug 2026279 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20263111 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026211 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026213 AMAQI

27°C25/30°C

10th Aug 2026234 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026217 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262310 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262312 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026219 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262112 AMAQI
11th Aug 2026231 AMAQI
11th Aug 2026232 AMAQI
11th Aug 2026253 AMAQI

26°C24/29°C

11th Aug 2026234 AMAQI
11th Aug 2026255 AMAQI
11th Aug 2026276 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026298 AMAQI
11th Aug 2026299 AMAQI
11th Aug 20262910 AMAQI
11th Aug 20263111 AMAQI
11th Aug 20263312 PMAQI
11th Aug 2026331 PMAQI
11th Aug 2026332 PMAQI
11th Aug 2026313 PMAQI
11th Aug 2026314 PMAQI
11th Aug 2026335 PMAQI
11th Aug 2026386 PMAQI
11th Aug 2026317 PMAQI
11th Aug 2026318 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262910 PMAQI
11th Aug 20262911 PMAQI
12th Aug 20263112 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026253 AMAQI

24°C22/27°C

12th Aug 2026234 AMAQI
12th Aug 2026215 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026274 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026216 PMAQI
12th Aug 2026237 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026239 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026272 AMAQI
13th Aug 2026253 AMAQI

23°C22/24°C

13th Aug 2026274 AMAQI
13th Aug 2026295 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262311 AMAQI
13th Aug 20262512 PMAQI
13th Aug 2026251 PMAQI
13th Aug 2026232 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026255 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262311 PMAQI
14th Aug 20262312 AMAQI
14th Aug 2026251 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026253 AMAQI

25°C23/28°C

14th Aug 2026194 AMAQI
14th Aug 2026195 AMAQI
14th Aug 2026216 AMAQI
14th Aug 202687 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026219 AMAQI
14th Aug 20261410 AMAQI
14th Aug 20262111 AMAQI
14th Aug 20262312 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026212 PMAQI
14th Aug 2026193 PMAQI
14th Aug 2026194 PMAQI
14th Aug 2026195 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026218 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20262910 PMAQI
14th Aug 20262111 PMAQI
15th Aug 20262512 AMAQI
15th Aug 2026231 AMAQI
15th Aug 2026212 AMAQI
15th Aug 2026253 AMAQI

26°C23/28°C

15th Aug 2026254 AMAQI
15th Aug 2026255 AMAQI
15th Aug 2026256 AMAQI
15th Aug 2026257 AMAQI
15th Aug 2026258 AMAQI
15th Aug 2026239 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262111 AMAQI
15th Aug 20262312 PMAQI
15th Aug 2026231 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026213 PMAQI
15th Aug 2026234 PMAQI
15th Aug 2026235 PMAQI
15th Aug 2026216 PMAQI
15th Aug 2026237 PMAQI
15th Aug 2026218 PMAQI
15th Aug 2026239 PMAQI
15th Aug 20262110 PMAQI
15th Aug 20262111 PMAQI
16th Aug 20262112 AMAQI
16th Aug 2026211 AMAQI
16th Aug 2026232 AMAQI
16th Aug 2026213 AMAQI

26°C24/29°C

16th Aug 2026214 AMAQI
16th Aug 2026215 AMAQI
16th Aug 2026236 AMAQI
16th Aug 2026237 AMAQI
16th Aug 2026218 AMAQI
16th Aug 2026219 AMAQI
16th Aug 20262110 AMAQI
16th Aug 20262111 AMAQI
16th Aug 20262112 PMAQI
16th Aug 2026231 PMAQI
16th Aug 2026232 PMAQI
16th Aug 2026253 PMAQI
16th Aug 2026214 PMAQI
16th Aug 2026235 PMAQI
16th Aug 2026236 PMAQI
16th Aug 2026217 PMAQI
16th Aug 2026238 PMAQI
16th Aug 2026239 PMAQI
16th Aug 20262310 PMAQI
16th Aug 20262111 PMAQI
17th Aug 20262512 AMAQI
17th Aug 2026211 AMAQI
17th Aug 2026232 AMAQI
17th Aug 2026233 AMAQI

25°C23/28°C

17th Aug 2026234 AMAQI
4 AM
17th Aug 2026235 AMAQI
17th Aug 2026236 AMAQI
17th Aug 2026257 AMAQI
17th Aug 2026298 AMAQI
17th Aug 2026219 AMAQI
17th Aug 20262510 AMAQI
17th Aug 20263111 AMAQI
11 AM
17th Aug 20263112 PMAQI
17th Aug 2026251 PMAQI
17th Aug 2026232 PMAQI
17th Aug 2026213 PMAQI
17th Aug 2026234 PMAQI
17th Aug 2026215 PMAQI
17th Aug 2026216 PMAQI
6 PM
17th Aug 2026217 PMAQI
17th Aug 2026218 PMAQI
17th Aug 2026259 PMAQI
17th Aug 20262110 PMAQI
17th Aug 20262111 PMAQI
11 PM
3 AM

13°C11/16°C

Day time
Avg. Highest Time
1 PM - 6 PM

35AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
4 AM

30AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 6 PM (Avg. 35), while the lowest AQI was between 4 AM to 4 AM (Avg. 30).
Night time
Avg. Highest Time
7 PM - 11 PM

34AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
3 AM

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 11 PM (Avg. 34), while the lowest AQI was between 3 AM to 3 AM (Avg. 29).

2026 Days Vs Air Quality

Osumidai, Isehara, Kanagawa, Japan

2026

85%

195

15%

34

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
195 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 229 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

Osumidai, Isehara, Kanagawa, Japan

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
22AQI (US)
2nd January 2026
14AQI (US)
3rd January 2026
15AQI (US)
4th January 2026
15AQI (US)
5th January 2026
28AQI (US)
6th January 2026
17AQI (US)
7th January 2026
19AQI (US)
8th January 2026
30AQI (US)
9th January 2026
20AQI (US)
10th January 2026
25AQI (US)
11th January 2026
26AQI (US)
12th January 2026
17AQI (US)
13th January 2026
25AQI (US)
14th January 2026
25AQI (US)
15th January 2026
29AQI (US)
16th January 2026
50AQI (US)
17th January 2026
58AQI (US)
18th January 2026
46AQI (US)
19th January 2026
45AQI (US)
20th January 2026
26AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
27AQI (US)
23rd January 2026
34AQI (US)
24th January 2026
34AQI (US)
25th January 2026
25AQI (US)
26th January 2026
20AQI (US)
27th January 2026
35AQI (US)
28th January 2026
29AQI (US)
29th January 2026
24AQI (US)
30th January 2026
33AQI (US)
31st January 2026
34AQI (US)
1st February 2026
29AQI (US)
2nd February 2026
44AQI (US)
3rd February 2026
31AQI (US)
4th February 2026
33AQI (US)
5th February 2026
42AQI (US)
6th February 2026
50AQI (US)
7th February 2026
14AQI (US)
8th February 2026
15AQI (US)
9th February 2026
31AQI (US)
10th February 2026
35AQI (US)
11th February 2026
42AQI (US)
12th February 2026
35AQI (US)
13th February 2026
50AQI (US)
14th February 2026
58AQI (US)
15th February 2026
56AQI (US)
16th February 2026
43AQI (US)
17th February 2026
18AQI (US)
18th February 2026
23AQI (US)
19th February 2026
30AQI (US)
20th February 2026
30AQI (US)
21st February 2026
47AQI (US)
22nd February 2026
40AQI (US)
23rd February 2026
40AQI (US)
24th February 2026
40AQI (US)
25th February 2026
35AQI (US)
26th February 2026
8AQI (US)
27th February 2026
27AQI (US)
28th February 2026
32AQI (US)
1st March 2026
29AQI (US)
2nd March 2026
75AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
57AQI (US)
5th March 2026
56AQI (US)
6th March 2026
49AQI (US)
7th March 2026
32AQI (US)
8th March 2026
34AQI (US)
9th March 2026
33AQI (US)
10th March 2026
58AQI (US)
11th March 2026
59AQI (US)
12th March 2026
17AQI (US)
13th March 2026
17AQI (US)
14th March 2026
46AQI (US)
15th March 2026
59AQI (US)
16th March 2026
16AQI (US)
17th March 2026
28AQI (US)
18th March 2026
54AQI (US)
19th March 2026
32AQI (US)
20th March 2026
32AQI (US)
21st March 2026
44AQI (US)
22nd March 2026
48AQI (US)
23rd March 2026
46AQI (US)
24th March 2026
46AQI (US)
25th March 2026
56AQI (US)
26th March 2026
13AQI (US)
27th March 2026
17AQI (US)
28th March 2026
53AQI (US)
29th March 2026
51AQI (US)
30th March 2026
58AQI (US)
31st March 2026
17AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
36AQI (US)
3rd April 2026
45AQI (US)
4th April 2026
44AQI (US)
5th April 2026
24AQI (US)
6th April 2026
29AQI (US)
7th April 2026
27AQI (US)
8th April 2026
21AQI (US)
9th April 2026
33AQI (US)
10th April 2026
45AQI (US)
11th April 2026
35AQI (US)
12th April 2026
34AQI (US)
13th April 2026
35AQI (US)
14th April 2026
41AQI (US)
15th April 2026
36AQI (US)
16th April 2026
33AQI (US)
17th April 2026
39AQI (US)
18th April 2026
30AQI (US)
19th April 2026
37AQI (US)
20th April 2026
39AQI (US)
21st April 2026
40AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
37AQI (US)
24th April 2026
31AQI (US)
25th April 2026
45AQI (US)
26th April 2026
51AQI (US)
27th April 2026
48AQI (US)
28th April 2026
42AQI (US)
29th April 2026
51AQI (US)
30th April 2026
37AQI (US)
1st May 2026
34AQI (US)
2nd May 2026
50AQI (US)
3rd May 2026
43AQI (US)
4th May 2026
27AQI (US)
5th May 2026
23AQI (US)
6th May 2026
30AQI (US)
7th May 2026
32AQI (US)
8th May 2026
26AQI (US)
9th May 2026
24AQI (US)
10th May 2026
29AQI (US)
11th May 2026
30AQI (US)
12th May 2026
33AQI (US)
13th May 2026
44AQI (US)
14th May 2026
39AQI (US)
15th May 2026
36AQI (US)
16th May 2026
87AQI (US)
17th May 2026
69AQI (US)
18th May 2026
54AQI (US)
19th May 2026
49AQI (US)
20th May 2026
62AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
61AQI (US)
23rd May 2026
52AQI (US)
24th May 2026
59AQI (US)
25th May 2026
47AQI (US)
26th May 2026
40AQI (US)
27th May 2026
25AQI (US)
28th May 2026
26AQI (US)
29th May 2026
25AQI (US)
30th May 2026
24AQI (US)
31st May 2026
26AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
31AQI (US)
3rd June 2026
26AQI (US)
4th June 2026
24AQI (US)
5th June 2026
22AQI (US)
6th June 2026
22AQI (US)
7th June 2026
22AQI (US)
8th June 2026
20AQI (US)
9th June 2026
22AQI (US)
10th June 2026
22AQI (US)
11th June 2026
24AQI (US)
12th June 2026
25AQI (US)
13th June 2026
27AQI (US)
14th June 2026
29AQI (US)
15th June 2026
16AQI (US)
16th June 2026
22AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
29AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
19AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
22AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
20AQI (US)
28th June 2026
27AQI (US)
29th June 2026
28AQI (US)
30th June 2026
26AQI (US)
1st July 2026
26AQI (US)
2nd July 2026
18AQI (US)
3rd July 2026
16AQI (US)
4th July 2026
18AQI (US)
5th July 2026
20AQI (US)
6th July 2026
24AQI (US)
7th July 2026
26AQI (US)
8th July 2026
25AQI (US)
9th July 2026
24AQI (US)
10th July 2026
24AQI (US)
11th July 2026
23AQI (US)
12th July 2026
25AQI (US)
13th July 2026
31AQI (US)
14th July 2026
29AQI (US)
15th July 2026
26AQI (US)
16th July 2026
63AQI (US)
17th July 2026
60AQI (US)
18th July 2026
21AQI (US)
19th July 2026
16AQI (US)
20th July 2026
26AQI (US)
21st July 2026
52AQI (US)
22nd July 2026
63AQI (US)
23rd July 2026
68AQI (US)
24th July 2026
54AQI (US)
25th July 2026
58AQI (US)
26th July 2026
25AQI (US)
27th July 2026
26AQI (US)
28th July 2026
24AQI (US)
29th July 2026
22AQI (US)
30th July 2026
31AQI (US)
31st July 2026
59AQI (US)
1st August 2026
63AQI (US)
2nd August 2026
58AQI (US)
3rd August 2026
13AQI (US)
4th August 2026
23AQI (US)
5th August 2026
26AQI (US)
6th August 2026
24AQI (US)
7th August 2026
24AQI (US)
8th August 2026
23AQI (US)
9th August 2026
25AQI (US)
10th August 2026
22AQI (US)
11th August 2026
29AQI (US)
12th August 2026
24AQI (US)
13th August 2026
24AQI (US)
14th August 2026
22AQI (US)
15th August 2026
23AQI (US)
16th August 2026
22AQI (US)
17th August 2026
24AQI (US)
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

28AQI (US)

35AQI (US)

41AQI (US)

37AQI (US)

41AQI (US)

24AQI (US)

33AQI (US)

28AQI (US)

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202634AQI (US)

30
1
26
2
20
11
28
2
23
8
30
23
8
15
2
195
34

Highest AQI (US) recorded in

March

41AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202533AQI (US)

31
28
29
2
30
30
1
30
23
8
22
9
30
19
12
24
6
26
5
322
43

Highest AQI (US) recorded in

August

46AQI (US)

Lowest AQI (US) recorded in

April

20AQI (US)

202435AQI (US)

28
29
26
3
24
6
28
3
27
3
13
18
24
7
29
1
31
29
1
31
319
42

Highest AQI (US) recorded in

July

51AQI (US)

Lowest AQI (US) recorded in

December

24AQI (US)

202338AQI (US)

28
26
2
29
2
22
8
27
4
21
9
22
9
30
1
27
3
29
2
26
3
29
2
316
45

Highest AQI (US) recorded in

April

45AQI (US)

Lowest AQI (US) recorded in

January

32AQI (US)

202240AQI (US)

27
2
15
4
19
12
18
11
23
8
20
10
18
3
1
24
4
30
1
27
3
31
253
58

Highest AQI (US) recorded in

March

47AQI (US)

Lowest AQI (US) recorded in

August

28AQI (US)

202139AQI (US)

27
1
21
4
23
5
18
5
22
9
25
5
25
6
25
6
27
3
29
2
23
7
26
5
291
58

Highest AQI (US) recorded in

May

46AQI (US)

Lowest AQI (US) recorded in

January

25AQI (US)

202033AQI (US)

11
2
17
4
17
1
21
9
27
4
18
13
19
29
2
30
30
1
219
36

Highest AQI (US) recorded in

August

51AQI (US)

Lowest AQI (US) recorded in

November

17AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
40AQI (US)
Least Polluted Year Recorded
2020(Avg.)
33AQI (US)

Osumidai's annual 2026 AQI (US) (34) shows an average percentage change of -5.8% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (39), 2022 (40), 2023 (38), 2024 (35), 2025 (33).