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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Isogo, Yokohama, 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

Isogo, Yokohama, Kanagawa, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2026
67AQI
Lowest AQI recorded on
2nd Aug 2023
11AQI

Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 25 of Good air quality, showing improvement over 2025 and 2023 on the same day.

Day & Night AQI Trend: 14th Aug - 15th Aug 2026

Isogo, Yokohama, Kanagawa, Japan

AQI
Day
Night
.

4 AM14th Aug 2026

6 PM

3 AM15th Aug 2026

Day time
Avg. Highest Time
12PM14th Aug

31AQI

Avg. Lowest Time
3PM14th Aug

14AQI

Night time
Avg. Highest Time
1AM15th Aug

32AQI

Avg. Lowest Time
4AM14th Aug

19AQI

In the last 24 hours,

Isogo's AQI reached its highest point of 32 at 1 AM during the Night, while the lowest point, 14, was recorded at 3 PM during the Day between 14th Aug and 15th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Isogo, Yokohama, Kanagawa, Japan

JulAug
17th - 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 - 14th14th - 15th15th
Day
Night
17th Jul 2026574 AMAQI
17th Jul 2026465 AMAQI
17th Jul 2026446 AMAQI
17th Jul 2026487 AMAQI
17th Jul 2026518 AMAQI
17th Jul 2026489 AMAQI
17th Jul 20265010 AMAQI
17th Jul 20266011 AMAQI
17th Jul 20266512 PMAQI
17th Jul 2026741 PMAQI
17th Jul 2026682 PMAQI
17th Jul 2026553 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026595 PMAQI
17th Jul 2026626 PMAQI
17th Jul 2026607 PMAQI
17th Jul 2026698 PMAQI
17th Jul 2026589 PMAQI
17th Jul 20265110 PMAQI
17th Jul 20265711 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026441 AMAQI
18th Jul 2026292 AMAQI
18th Jul 2026403 AMAQI

27°C25/28°C

18th Jul 2026314 AMAQI
18th Jul 2026365 AMAQI
18th Jul 2026296 AMAQI
18th Jul 2026127 AMAQI
18th Jul 2026178 AMAQI
18th Jul 2026169 AMAQI
18th Jul 20261910 AMAQI
18th Jul 20262911 AMAQI
18th Jul 20262512 PMAQI
18th Jul 2026251 PMAQI
18th Jul 2026122 PMAQI
18th Jul 2026113 PMAQI
18th Jul 2026214 PMAQI
18th Jul 2026195 PMAQI
18th Jul 2026126 PMAQI
18th Jul 202687 PMAQI
18th Jul 2026128 PMAQI
18th Jul 2026179 PMAQI
18th Jul 20261610 PMAQI
18th Jul 20261411 PMAQI
19th Jul 20261712 AMAQI
19th Jul 2026121 AMAQI
19th Jul 2026102 AMAQI
19th Jul 2026123 AMAQI

26°C25/28°C

19th Jul 2026104 AMAQI
19th Jul 202695 AMAQI
19th Jul 2026186 AMAQI
19th Jul 2026167 AMAQI
19th Jul 2026108 AMAQI
19th Jul 2026149 AMAQI
19th Jul 20261410 AMAQI
19th Jul 20261211 AMAQI
19th Jul 20261212 PMAQI
19th Jul 202681 PMAQI
19th Jul 202682 PMAQI
19th Jul 202683 PMAQI
19th Jul 202664 PMAQI
19th Jul 2026165 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026237 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20263310 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20262712 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026253 AMAQI

26°C25/28°C

20th Jul 2026274 AMAQI
20th Jul 2026275 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026257 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026259 AMAQI
20th Jul 20262910 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026381 PMAQI
20th Jul 2026382 PMAQI
20th Jul 2026343 PMAQI
20th Jul 2026314 PMAQI
20th Jul 2026335 PMAQI
20th Jul 2026276 PMAQI
20th Jul 2026297 PMAQI
20th Jul 2026318 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20263110 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026312 AMAQI
21st Jul 2026313 AMAQI

28°C26/30°C

21st Jul 2026314 AMAQI
21st Jul 2026335 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026348 AMAQI
21st Jul 2026349 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20264411 AMAQI
21st Jul 2026581 PMAQI
21st Jul 2026582 PMAQI
21st Jul 2026663 PMAQI
21st Jul 2026734 PMAQI
21st Jul 2026515 PMAQI
21st Jul 2026526 PMAQI
21st Jul 2026967 PMAQI
21st Jul 2026558 PMAQI
21st Jul 2026529 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265411 PMAQI
22nd Jul 20265612 AMAQI
22nd Jul 2026561 AMAQI
22nd Jul 2026552 AMAQI
22nd Jul 2026553 AMAQI

28°C27/30°C

22nd Jul 2026564 AMAQI
22nd Jul 2026725 AMAQI
22nd Jul 2026646 AMAQI
22nd Jul 2026657 AMAQI
22nd Jul 2026628 AMAQI
22nd Jul 2026659 AMAQI
22nd Jul 20267810 AMAQI
22nd Jul 20267611 AMAQI
22nd Jul 20267312 PMAQI
22nd Jul 2026731 PMAQI
22nd Jul 2026632 PMAQI
22nd Jul 2026693 PMAQI
22nd Jul 2026644 PMAQI
22nd Jul 2026795 PMAQI
22nd Jul 2026716 PMAQI
22nd Jul 2026727 PMAQI
22nd Jul 2026838 PMAQI
22nd Jul 2026839 PMAQI
22nd Jul 20268510 PMAQI
22nd Jul 20268811 PMAQI
23rd Jul 20268312 AMAQI
23rd Jul 2026531 AMAQI
23rd Jul 2026532 AMAQI
23rd Jul 2026543 AMAQI

28°C27/30°C

23rd Jul 2026554 AMAQI
23rd Jul 2026695 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026587 AMAQI
23rd Jul 2026508 AMAQI
23rd Jul 2026889 AMAQI
23rd Jul 20267810 AMAQI
23rd Jul 20267811 AMAQI
23rd Jul 20269812 PMAQI
23rd Jul 2026971 PMAQI
23rd Jul 2026902 PMAQI
23rd Jul 2026943 PMAQI
23rd Jul 2026984 PMAQI
23rd Jul 2026925 PMAQI
23rd Jul 20261026 PMAQI
23rd Jul 2026987 PMAQI
23rd Jul 2026388 PMAQI
23rd Jul 2026449 PMAQI
23rd Jul 20265210 PMAQI
23rd Jul 20264411 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026511 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026223 AMAQI

29°C27/33°C

24th Jul 2026334 AMAQI
24th Jul 2026335 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026498 AMAQI
24th Jul 2026319 AMAQI
24th Jul 20262810 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20266212 PMAQI
24th Jul 2026661 PMAQI
24th Jul 2026652 PMAQI
24th Jul 2026653 PMAQI
24th Jul 2026624 PMAQI
24th Jul 2026305 PMAQI
24th Jul 2026376 PMAQI
24th Jul 2026587 PMAQI
24th Jul 2026428 PMAQI
24th Jul 2026499 PMAQI
24th Jul 20265510 PMAQI
24th Jul 20265611 PMAQI
25th Jul 20265512 AMAQI
25th Jul 2026521 AMAQI
25th Jul 2026582 AMAQI
25th Jul 2026653 AMAQI

28°C26/30°C

25th Jul 2026564 AMAQI
25th Jul 2026575 AMAQI
25th Jul 2026686 AMAQI
25th Jul 2026707 AMAQI
25th Jul 2026708 AMAQI
25th Jul 2026419 AMAQI
25th Jul 20265610 AMAQI
25th Jul 20265511 AMAQI
25th Jul 20265712 PMAQI
25th Jul 2026581 PMAQI
25th Jul 2026722 PMAQI
25th Jul 2026763 PMAQI
25th Jul 2026784 PMAQI
25th Jul 2026665 PMAQI
25th Jul 2026706 PMAQI
25th Jul 2026627 PMAQI
25th Jul 2026568 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20261412 AMAQI
26th Jul 2026161 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026253 AMAQI

28°C25/31°C

26th Jul 2026104 AMAQI
26th Jul 2026235 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026207 AMAQI
26th Jul 2026198 AMAQI
26th Jul 2026199 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20266212 PMAQI
26th Jul 2026571 PMAQI
26th Jul 2026522 PMAQI
26th Jul 2026403 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026485 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026198 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20261710 PMAQI
26th Jul 20262911 PMAQI
27th Jul 20262712 AMAQI
27th Jul 2026381 AMAQI
27th Jul 2026362 AMAQI
27th Jul 2026383 AMAQI

26°C25/28°C

27th Jul 2026134 AMAQI
27th Jul 2026165 AMAQI
27th Jul 2026406 AMAQI
27th Jul 2026387 AMAQI
27th Jul 2026338 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20261412 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026253 AMAQI

26°C25/28°C

28th Jul 2026214 AMAQI
28th Jul 2026215 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026279 AMAQI
28th Jul 20262710 AMAQI
28th Jul 20263111 AMAQI
28th Jul 20262912 PMAQI
28th Jul 2026291 PMAQI
28th Jul 2026292 PMAQI
28th Jul 2026273 PMAQI
28th Jul 2026254 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026306 PMAQI
28th Jul 2026297 PMAQI
28th Jul 2026258 PMAQI
28th Jul 2026279 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262511 PMAQI
29th Jul 20263112 AMAQI
29th Jul 2026381 AMAQI
29th Jul 2026382 AMAQI
29th Jul 2026363 AMAQI

26°C24/27°C

29th Jul 2026364 AMAQI
29th Jul 2026385 AMAQI
29th Jul 2026366 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026388 AMAQI
29th Jul 2026519 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20263111 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026331 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026383 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026366 PMAQI
29th Jul 2026367 PMAQI
29th Jul 2026338 PMAQI
29th Jul 2026339 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20263111 PMAQI
30th Jul 20263112 AMAQI
30th Jul 2026311 AMAQI
30th Jul 2026312 AMAQI
30th Jul 2026273 AMAQI

28°C25/30°C

30th Jul 2026274 AMAQI
30th Jul 2026255 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20263112 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026362 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026364 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026526 PMAQI
30th Jul 2026627 PMAQI
30th Jul 2026558 PMAQI
30th Jul 2026529 PMAQI
30th Jul 20264210 PMAQI
30th Jul 20264611 PMAQI
31st Jul 20265612 AMAQI
31st Jul 2026701 AMAQI
31st Jul 2026692 AMAQI
31st Jul 2026803 AMAQI

29°C27/30°C

31st Jul 2026674 AMAQI
31st Jul 2026705 AMAQI
31st Jul 2026586 AMAQI
31st Jul 2026547 AMAQI
31st Jul 2026578 AMAQI
31st Jul 2026629 AMAQI
31st Jul 20266510 AMAQI
31st Jul 20266011 AMAQI
31st Jul 20267412 PMAQI
31st Jul 2026661 PMAQI
31st Jul 2026672 PMAQI
31st Jul 2026673 PMAQI
31st Jul 2026684 PMAQI
31st Jul 2026695 PMAQI
31st Jul 2026656 PMAQI
31st Jul 2026647 PMAQI
31st Jul 2026678 PMAQI
31st Jul 2026659 PMAQI
31st Jul 20266410 PMAQI
31st Jul 20265511 PMAQI
1st Aug 20265412 AMAQI
1st Aug 2026601 AMAQI
1st Aug 2026532 AMAQI
1st Aug 2026533 AMAQI

29°C27/31°C

1st Aug 2026384 AMAQI
1st Aug 2026425 AMAQI
1st Aug 2026586 AMAQI
1st Aug 2026687 AMAQI
1st Aug 2026558 AMAQI
1st Aug 2026709 AMAQI
1st Aug 20267410 AMAQI
1st Aug 20266711 AMAQI
1st Aug 20266612 PMAQI
1st Aug 2026671 PMAQI
1st Aug 2026672 PMAQI
1st Aug 2026713 PMAQI
1st Aug 2026714 PMAQI
1st Aug 2026725 PMAQI
1st Aug 2026706 PMAQI
1st Aug 2026727 PMAQI
1st Aug 2026678 PMAQI
1st Aug 2026679 PMAQI
1st Aug 20266710 PMAQI
1st Aug 20266611 PMAQI
2nd Aug 20266612 AMAQI
2nd Aug 2026541 AMAQI
2nd Aug 2026622 AMAQI
2nd Aug 2026363 AMAQI

28°C27/31°C

2nd Aug 2026444 AMAQI
2nd Aug 2026735 AMAQI
2nd Aug 2026806 AMAQI
2nd Aug 2026767 AMAQI
2nd Aug 2026728 AMAQI
2nd Aug 2026669 AMAQI
2nd Aug 20267310 AMAQI
2nd Aug 20268611 AMAQI
2nd Aug 20268512 PMAQI
2nd Aug 2026841 PMAQI
2nd Aug 2026852 PMAQI
2nd Aug 2026813 PMAQI
2nd Aug 2026904 PMAQI
2nd Aug 2026865 PMAQI
2nd Aug 2026856 PMAQI
2nd Aug 2026857 PMAQI
2nd Aug 2026838 PMAQI
2nd Aug 2026159 PMAQI
2nd Aug 20261810 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 202681 AMAQI
3rd Aug 2026172 AMAQI
3rd Aug 202683 AMAQI

28°C25/32°C

3rd Aug 2026104 AMAQI
3rd Aug 2026145 AMAQI
3rd Aug 2026196 AMAQI
3rd Aug 202687 AMAQI
3rd Aug 2026198 AMAQI
3rd Aug 2026199 AMAQI
3rd Aug 20262110 AMAQI
3rd Aug 20261211 AMAQI
3rd Aug 20261712 PMAQI
3rd Aug 2026291 PMAQI
3rd Aug 2026272 PMAQI
3rd Aug 2026293 PMAQI
3rd Aug 2026274 PMAQI
3rd Aug 2026255 PMAQI
3rd Aug 2026186 PMAQI
3rd Aug 2026197 PMAQI
3rd Aug 2026318 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20262511 PMAQI
4th Aug 20262912 AMAQI
4th Aug 2026201 AMAQI
4th Aug 2026192 AMAQI
4th Aug 2026183 AMAQI

25°C24/27°C

4th Aug 2026184 AMAQI
4th Aug 2026205 AMAQI
4th Aug 2026196 AMAQI
4th Aug 2026187 AMAQI
4th Aug 2026188 AMAQI
4th Aug 2026189 AMAQI
4th Aug 20261810 AMAQI
4th Aug 20262111 AMAQI
4th Aug 20262012 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026312 PMAQI
4th Aug 2026293 PMAQI
4th Aug 2026274 PMAQI
4th Aug 2026275 PMAQI
4th Aug 2026296 PMAQI
4th Aug 2026257 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026259 PMAQI
4th Aug 20262310 PMAQI
4th Aug 20262311 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026253 AMAQI

25°C23/28°C

5th Aug 2026254 AMAQI
5th Aug 2026255 AMAQI
5th Aug 2026256 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026278 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026252 PMAQI
5th Aug 2026233 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026275 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20262511 PMAQI
6th Aug 20262512 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026213 AMAQI

26°C24/29°C

6th Aug 2026214 AMAQI
6th Aug 2026215 AMAQI
6th Aug 2026256 AMAQI
6th Aug 2026297 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026239 AMAQI
6th Aug 20262310 AMAQI
6th Aug 20262311 AMAQI
6th Aug 20263212 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026215 PMAQI
6th Aug 2026216 PMAQI
6th Aug 2026257 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20262711 PMAQI
7th Aug 20262512 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026232 AMAQI
7th Aug 2026233 AMAQI

28°C25/30°C

7th Aug 2026234 AMAQI
7th Aug 2026255 AMAQI
7th Aug 2026256 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262510 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262512 PMAQI
7th Aug 2026321 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026234 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20262511 PMAQI
8th Aug 20262312 AMAQI
8th Aug 2026251 AMAQI
8th Aug 2026232 AMAQI
8th Aug 2026253 AMAQI

28°C26/30°C

8th Aug 2026214 AMAQI
8th Aug 2026255 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026277 AMAQI
8th Aug 2026298 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20262311 AMAQI
8th Aug 20262312 PMAQI
8th Aug 2026271 PMAQI
8th Aug 2026252 PMAQI
8th Aug 2026253 PMAQI
8th Aug 2026234 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026299 PMAQI
8th Aug 20262110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026271 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026293 AMAQI

27°C26/29°C

9th Aug 2026274 AMAQI
9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20263110 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20263112 PMAQI
9th Aug 2026231 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026213 PMAQI
9th Aug 2026274 PMAQI
9th Aug 2026315 PMAQI
9th Aug 2026366 PMAQI
9th Aug 2026427 PMAQI
9th Aug 2026338 PMAQI
9th Aug 2026409 PMAQI
9th Aug 20264610 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026271 AMAQI
10th Aug 2026232 AMAQI
10th Aug 2026253 AMAQI

27°C26/30°C

10th Aug 2026214 AMAQI
10th Aug 2026215 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026311 PMAQI
10th Aug 2026272 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026234 PMAQI
10th Aug 2026215 PMAQI
10th Aug 2026236 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026259 PMAQI
10th Aug 20262910 PMAQI
10th Aug 20263311 PMAQI
11th Aug 20263612 AMAQI
11th Aug 2026361 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026213 AMAQI

27°C24/29°C

11th Aug 2026254 AMAQI
11th Aug 2026295 AMAQI
11th Aug 2026336 AMAQI
11th Aug 2026387 AMAQI
11th Aug 2026338 AMAQI
11th Aug 2026369 AMAQI
11th Aug 20263110 AMAQI
11th Aug 20262911 AMAQI
11th Aug 20262912 PMAQI
11th Aug 2026211 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026235 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026297 PMAQI
11th Aug 2026318 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20262710 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026251 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026213 AMAQI

24°C22/27°C

12th Aug 2026214 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 20262911 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026214 PMAQI
12th Aug 2026215 PMAQI
12th Aug 2026216 PMAQI
12th Aug 2026217 PMAQI
12th Aug 2026278 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026233 AMAQI

24°C23/26°C

13th Aug 2026254 AMAQI
13th Aug 2026235 AMAQI
13th Aug 2026216 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026238 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262110 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262112 PMAQI
13th Aug 2026211 PMAQI
13th Aug 2026232 PMAQI
13th Aug 2026213 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026245 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026247 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026212 AMAQI
14th Aug 2026253 AMAQI

26°C24/29°C

14th Aug 2026194 AMAQI
14th Aug 2026235 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026147 AMAQI
14th Aug 2026198 AMAQI
14th Aug 2026199 AMAQI
14th Aug 20261910 AMAQI
14th Aug 20261611 AMAQI
14th Aug 20263112 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026182 PMAQI
14th Aug 2026143 PMAQI
14th Aug 2026174 PMAQI
14th Aug 2026195 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026278 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20262510 PMAQI
14th Aug 20262511 PMAQI
15th Aug 20262712 AMAQI
15th Aug 2026321 AMAQI
15th Aug 2026252 AMAQI
15th Aug 2026273 AMAQI

27°C25/28°C

15th Aug 2026274 AMAQI
4 AM
15th Aug 2026255 AMAQI
15th Aug 2026256 AMAQI
15th Aug 2026277 AMAQI
15th Aug 2026278 AMAQI
15th Aug 2026319 AMAQI
15th Aug 20262710 AMAQI
15th Aug 20262511 AMAQI
11 AM
15th Aug 20262112 PMAQI
15th Aug 2026271 PMAQI
15th Aug 2026212 PMAQI
15th Aug 2026253 PMAQI
15th Aug 2026254 PMAQI
15th Aug 2026215 PMAQI
15th Aug 2026216 PMAQI
6 PM
15th Aug 2026237 PMAQI
15th Aug 2026218 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262110 PMAQI
15th Aug 20262111 PMAQI
11 PM
3 AM

26°C25/29°C

Day time
Avg. Highest Time
1 PM - 6 PM

40AQI

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. 40), while the lowest AQI was between 4 AM to 4 AM (Avg. 30).
Night time
Avg. Highest Time
7 PM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 41), while the lowest AQI was between 3 AM to 3 AM (Avg. 32).

2026 Days Vs Air Quality

Isogo, Yokohama, Kanagawa, Japan

2026

87%

197

13%

30

Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)

Good
197 Days
Moderate
30 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2026, 87% of 227 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

Isogo, Yokohama, 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
18AQI (US)
2nd January 2026
16AQI (US)
3rd January 2026
16AQI (US)
4th January 2026
19AQI (US)
5th January 2026
16AQI (US)
6th January 2026
21AQI (US)
7th January 2026
18AQI (US)
8th January 2026
25AQI (US)
9th January 2026
16AQI (US)
10th January 2026
22AQI (US)
11th January 2026
25AQI (US)
12th January 2026
15AQI (US)
13th January 2026
21AQI (US)
14th January 2026
15AQI (US)
15th January 2026
23AQI (US)
16th January 2026
44AQI (US)
17th January 2026
53AQI (US)
18th January 2026
36AQI (US)
19th January 2026
38AQI (US)
20th January 2026
25AQI (US)
21st January 2026
15AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
34AQI (US)
24th January 2026
35AQI (US)
25th January 2026
40AQI (US)
26th January 2026
15AQI (US)
27th January 2026
34AQI (US)
28th January 2026
27AQI (US)
29th January 2026
23AQI (US)
30th January 2026
33AQI (US)
31st January 2026
34AQI (US)
1st February 2026
28AQI (US)
2nd February 2026
46AQI (US)
3rd February 2026
29AQI (US)
4th February 2026
38AQI (US)
5th February 2026
52AQI (US)
6th February 2026
40AQI (US)
7th February 2026
12AQI (US)
8th February 2026
11AQI (US)
9th February 2026
32AQI (US)
10th February 2026
34AQI (US)
11th February 2026
42AQI (US)
12th February 2026
35AQI (US)
13th February 2026
46AQI (US)
14th February 2026
53AQI (US)
15th February 2026
48AQI (US)
16th February 2026
34AQI (US)
17th February 2026
16AQI (US)
18th February 2026
26AQI (US)
19th February 2026
29AQI (US)
20th February 2026
24AQI (US)
21st February 2026
29AQI (US)
22nd February 2026
42AQI (US)
23rd February 2026
27AQI (US)
24th February 2026
32AQI (US)
25th February 2026
34AQI (US)
26th February 2026
10AQI (US)
27th February 2026
42AQI (US)
28th February 2026
43AQI (US)
1st March 2026
31AQI (US)
2nd March 2026
63AQI (US)
3rd March 2026
41AQI (US)
4th March 2026
38AQI (US)
5th March 2026
50AQI (US)
6th March 2026
53AQI (US)
7th March 2026
36AQI (US)
8th March 2026
28AQI (US)
9th March 2026
50AQI (US)
10th March 2026
57AQI (US)
11th March 2026
54AQI (US)
12th March 2026
61AQI (US)
13th March 2026
40AQI (US)
14th March 2026
45AQI (US)
15th March 2026
56AQI (US)
16th March 2026
54AQI (US)
17th March 2026
50AQI (US)
18th March 2026
53AQI (US)
19th March 2026
36AQI (US)
20th March 2026
27AQI (US)
21st March 2026
45AQI (US)
22nd March 2026
47AQI (US)
23rd March 2026
43AQI (US)
24th March 2026
45AQI (US)
25th March 2026
60AQI (US)
26th March 2026
26AQI (US)
27th March 2026
21AQI (US)
28th March 2026
53AQI (US)
29th March 2026
50AQI (US)
30th March 2026
56AQI (US)
31st March 2026
23AQI (US)
1st April 2026
21AQI (US)
2nd April 2026
33AQI (US)
3rd April 2026
44AQI (US)
4th April 2026
45AQI (US)
5th April 2026
37AQI (US)
6th April 2026
30AQI (US)
7th April 2026
26AQI (US)
8th April 2026
21AQI (US)
9th April 2026
29AQI (US)
10th April 2026
47AQI (US)
11th April 2026
36AQI (US)
12th April 2026
30AQI (US)
13th April 2026
33AQI (US)
14th April 2026
40AQI (US)
15th April 2026
30AQI (US)
16th April 2026
22AQI (US)
17th April 2026
34AQI (US)
18th April 2026
27AQI (US)
19th April 2026
31AQI (US)
20th April 2026
35AQI (US)
21st April 2026
39AQI (US)
22nd April 2026
46AQI (US)
23rd April 2026
36AQI (US)
24th April 2026
22AQI (US)
25th April 2026
44AQI (US)
26th April 2026
50AQI (US)
27th April 2026
48AQI (US)
28th April 2026
41AQI (US)
29th April 2026
38AQI (US)
30th April 2026
36AQI (US)
1st May 2026
47AQI (US)
2nd May 2026
49AQI (US)
3rd May 2026
43AQI (US)
4th May 2026
29AQI (US)
5th May 2026
22AQI (US)
6th May 2026
27AQI (US)
7th May 2026
29AQI (US)
8th May 2026
26AQI (US)
9th May 2026
22AQI (US)
10th May 2026
15AQI (US)
11th May 2026
17AQI (US)
12th May 2026
29AQI (US)
13th May 2026
37AQI (US)
14th May 2026
34AQI (US)
15th May 2026
33AQI (US)
16th May 2026
86AQI (US)
17th May 2026
68AQI (US)
18th May 2026
54AQI (US)
19th May 2026
49AQI (US)
20th May 2026
61AQI (US)
21st May 2026
59AQI (US)
22nd May 2026
59AQI (US)
23rd May 2026
54AQI (US)
24th May 2026
58AQI (US)
25th May 2026
48AQI (US)
26th May 2026
39AQI (US)
27th May 2026
25AQI (US)
28th May 2026
25AQI (US)
29th May 2026
27AQI (US)
30th May 2026
16AQI (US)
31st May 2026
27AQI (US)
1st June 2026
36AQI (US)
2nd June 2026
23AQI (US)
3rd June 2026
17AQI (US)
4th June 2026
24AQI (US)
5th June 2026
22AQI (US)
6th June 2026
22AQI (US)
7th June 2026
22AQI (US)
8th June 2026
21AQI (US)
9th June 2026
23AQI (US)
10th June 2026
21AQI (US)
11th June 2026
24AQI (US)
12th June 2026
24AQI (US)
13th June 2026
27AQI (US)
14th June 2026
27AQI (US)
15th June 2026
13AQI (US)
16th June 2026
23AQI (US)
17th June 2026
24AQI (US)
18th June 2026
25AQI (US)
19th June 2026
28AQI (US)
20th June 2026
22AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
24AQI (US)
23rd June 2026
17AQI (US)
24th June 2026
24AQI (US)
25th June 2026
27AQI (US)
26th June 2026
29AQI (US)
27th June 2026
27AQI (US)
28th June 2026
27AQI (US)
29th June 2026
27AQI (US)
30th June 2026
35AQI (US)
1st July 2026
34AQI (US)
2nd July 2026
24AQI (US)
3rd July 2026
24AQI (US)
4th July 2026
20AQI (US)
5th July 2026
21AQI (US)
6th July 2026
24AQI (US)
7th July 2026
26AQI (US)
8th July 2026
24AQI (US)
9th July 2026
21AQI (US)
10th July 2026
21AQI (US)
11th July 2026
23AQI (US)
12th July 2026
24AQI (US)
13th July 2026
45AQI (US)
14th July 2026
48AQI (US)
15th July 2026
39AQI (US)
16th July 2026
66AQI (US)
17th July 2026
58AQI (US)
18th July 2026
22AQI (US)
19th July 2026
15AQI (US)
20th July 2026
29AQI (US)
21st July 2026
46AQI (US)
22nd July 2026
69AQI (US)
23rd July 2026
71AQI (US)
24th July 2026
45AQI (US)
25th July 2026
57AQI (US)
26th July 2026
29AQI (US)
27th July 2026
28AQI (US)
28th July 2026
27AQI (US)
29th July 2026
36AQI (US)
30th July 2026
36AQI (US)
31st July 2026
65AQI (US)
1st August 2026
63AQI (US)
2nd August 2026
67AQI (US)
3rd August 2026
21AQI (US)
4th August 2026
23AQI (US)
5th August 2026
26AQI (US)
6th August 2026
25AQI (US)
7th August 2026
25AQI (US)
8th August 2026
24AQI (US)
9th August 2026
29AQI (US)
10th August 2026
25AQI (US)
11th August 2026
29AQI (US)
12th August 2026
23AQI (US)
13th August 2026
23AQI (US)
14th August 2026
22AQI (US)
15th August 2026
25AQI (US)
16th August 2026
17th August 2026
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

26AQI (US)

33AQI (US)

45AQI (US)

35AQI (US)

39AQI (US)

24AQI (US)

36AQI (US)

30AQI (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
30
23
8
30
25
6
13
2
197
30

Highest AQI (US) recorded in

March

45AQI (US)

Lowest AQI (US) recorded in

June

24AQI (US)

202532AQI (US)

31
28
28
3
30
30
1
30
25
6
19
12
30
26
5
30
28
3
335
30

Highest AQI (US) recorded in

August

46AQI (US)

Lowest AQI (US) recorded in

April

21AQI (US)

202433AQI (US)

31
29
30
1
27
3
28
3
28
2
23
8
31
30
30
1
29
1
31
347
19

Highest AQI (US) recorded in

May

40AQI (US)

Lowest AQI (US) recorded in

December

26AQI (US)

202329AQI (US)

30
24
4
31
30
31
30
31
31
29
1
31
26
31
355
5

Highest AQI (US) recorded in

April

36AQI (US)

Lowest AQI (US) recorded in

August

21AQI (US)

202235AQI (US)

28
2
21
28
3
29
1
26
5
19
11
20
3
1
1
26
3
30
1
26
31
285
30

Highest AQI (US) recorded in

June

47AQI (US)

Lowest AQI (US) recorded in

December

26AQI (US)

202130AQI (US)

31
27
1
30
1
30
30
1
27
3
21
10
22
9
25
5
28
3
22
6
25
6
318
45

Highest AQI (US) recorded in

July

43AQI (US)

Lowest AQI (US) recorded in

January

12AQI (US)

202028AQI (US)

12
1
20
1
18
20
10
27
4
17
13
1
19
31
28
1
31
223
30
1

Highest AQI (US) recorded in

August

50AQI (US)

Lowest AQI (US) recorded in

December

12AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
35AQI (US)
Least Polluted Year Recorded
2020(Avg.)
28AQI (US)

Isogo's annual 2026 AQI (US) (34) shows an average percentage change of 9.7% (worsened AQI (US)) compared to previous years: 2020 (28), 2021 (30), 2022 (35), 2023 (29), 2024 (33), 2025 (32).