Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Koto, Shibuya, Tokyo, 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+

February Air Quality Analysis

Koto, Shibuya, Tokyo, Japan

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
15th Feb 2022
63AQI
Lowest AQI recorded on
4th Feb 2024
21AQI

Same Day Analysis (5th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 62 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 4th Feb - 5th Feb 2026

Koto, Shibuya, Tokyo, Japan

AQI
Day
Night
.

6 AM4th Feb 2026

4 PM

5 AM5th Feb 2026

Day time
Avg. Highest Time
10AM4th Feb

52AQI

Avg. Lowest Time
2PM4th Feb

27AQI

Night time
Avg. Highest Time
2AM5th Feb

68AQI

Avg. Lowest Time
6PM4th Feb

36AQI

In the last 24 hours,

Koto's AQI reached its highest point of 68 at 2 AM during the Night, while the lowest point, 27, was recorded at 2 PM during the Day between 4th Feb and 5th Feb 2026.

Day & Night AQI Trend : Jan - Feb 2026

Koto, Shibuya, Tokyo, Japan

JanFeb
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
Day
Night
7th Jan 2026216 AMAQI
7th Jan 2026197 AMAQI
7th Jan 2026218 AMAQI
7th Jan 2026259 AMAQI
7th Jan 20262710 AMAQI
7th Jan 20263311 AMAQI
7th Jan 20263112 PMAQI
7th Jan 2026311 PMAQI
7th Jan 2026362 PMAQI
7th Jan 2026333 PMAQI
7th Jan 2026364 PMAQI
7th Jan 2026405 PMAQI
7th Jan 2026426 PMAQI
7th Jan 2026447 PMAQI
7th Jan 2026488 PMAQI
7th Jan 2026489 PMAQI
7th Jan 20264610 PMAQI
7th Jan 20264211 PMAQI
8th Jan 20264412 AMAQI
8th Jan 2026471 AMAQI
8th Jan 2026522 AMAQI
8th Jan 2026533 AMAQI
8th Jan 2026564 AMAQI
8th Jan 2026605 AMAQI

5°C4/6°C

8th Jan 2026626 AMAQI
8th Jan 2026567 AMAQI
8th Jan 2026578 AMAQI
8th Jan 2026589 AMAQI
8th Jan 20266210 AMAQI
8th Jan 20266411 AMAQI
8th Jan 20266612 PMAQI
8th Jan 2026481 PMAQI
8th Jan 2026252 PMAQI
8th Jan 2026124 PMAQI
8th Jan 2026215 PMAQI
8th Jan 2026176 PMAQI
8th Jan 2026197 PMAQI
8th Jan 202688 PMAQI
8th Jan 202689 PMAQI
8th Jan 20261210 PMAQI
8th Jan 20261211 PMAQI
9th Jan 20261212 AMAQI
9th Jan 2026121 AMAQI
9th Jan 2026122 AMAQI
9th Jan 2026103 AMAQI
9th Jan 202684 AMAQI
9th Jan 202685 AMAQI

6°C4/10°C

9th Jan 2026106 AMAQI
9th Jan 2026107 AMAQI
9th Jan 2026108 AMAQI
9th Jan 202689 AMAQI
9th Jan 2026810 AMAQI
9th Jan 20261211 AMAQI
9th Jan 20261212 PMAQI
9th Jan 2026121 PMAQI
9th Jan 202682 PMAQI
9th Jan 2026103 PMAQI
9th Jan 2026124 PMAQI
9th Jan 2026175 PMAQI
9th Jan 2026196 PMAQI
9th Jan 2026197 PMAQI
9th Jan 2026238 PMAQI
9th Jan 2026299 PMAQI
9th Jan 20263610 PMAQI
9th Jan 20264411 PMAQI
10th Jan 20265312 AMAQI
10th Jan 2026531 AMAQI
10th Jan 2026462 AMAQI
10th Jan 2026463 AMAQI
10th Jan 2026534 AMAQI
10th Jan 2026545 AMAQI

6°C3/8°C

10th Jan 2026426 AMAQI
10th Jan 2026317 AMAQI
10th Jan 2026278 AMAQI
10th Jan 2026279 AMAQI
10th Jan 20264010 AMAQI
10th Jan 20264211 AMAQI
10th Jan 20264412 PMAQI
10th Jan 2026381 PMAQI
10th Jan 2026422 PMAQI
10th Jan 2026523 PMAQI
10th Jan 2026544 PMAQI
10th Jan 2026485 PMAQI
10th Jan 2026466 PMAQI
10th Jan 2026447 PMAQI
10th Jan 2026368 PMAQI
10th Jan 2026319 PMAQI
10th Jan 20263310 PMAQI
10th Jan 20263611 PMAQI
11th Jan 20263812 AMAQI
11th Jan 2026381 AMAQI
11th Jan 2026292 AMAQI
11th Jan 2026363 AMAQI
11th Jan 2026484 AMAQI
11th Jan 2026485 AMAQI

10°C6/14°C

11th Jan 2026486 AMAQI
11th Jan 2026428 AMAQI
11th Jan 2026529 AMAQI
11th Jan 20263610 AMAQI
11th Jan 20263611 AMAQI
11th Jan 20263612 PMAQI
11th Jan 2026361 PMAQI
11th Jan 2026442 PMAQI
11th Jan 2026443 PMAQI
11th Jan 2026384 PMAQI
11th Jan 2026295 PMAQI
11th Jan 2026296 PMAQI
11th Jan 2026297 PMAQI
11th Jan 2026198 PMAQI
11th Jan 2026199 PMAQI
11th Jan 20262110 PMAQI
11th Jan 20261911 PMAQI
12th Jan 20261712 AMAQI
12th Jan 2026191 AMAQI
12th Jan 2026172 AMAQI
12th Jan 2026123 AMAQI
12th Jan 2026144 AMAQI
12th Jan 2026145 AMAQI

10°C4/13°C

12th Jan 2026176 AMAQI
12th Jan 2026127 AMAQI
12th Jan 2026178 AMAQI
12th Jan 2026149 AMAQI
12th Jan 20261410 AMAQI
12th Jan 20261211 AMAQI
12th Jan 20261712 PMAQI
12th Jan 2026191 PMAQI
12th Jan 2026232 PMAQI
12th Jan 2026253 PMAQI
12th Jan 2026234 PMAQI
12th Jan 2026215 PMAQI
12th Jan 2026216 PMAQI
12th Jan 2026347 PMAQI
12th Jan 2026488 PMAQI
12th Jan 2026469 PMAQI
12th Jan 20263610 PMAQI
12th Jan 20262711 PMAQI
13th Jan 20263412 AMAQI
13th Jan 2026331 AMAQI
13th Jan 2026362 AMAQI
13th Jan 2026293 AMAQI
13th Jan 2026254 AMAQI
13th Jan 2026275 AMAQI

5°C3/7°C

13th Jan 2026296 AMAQI
13th Jan 2026317 AMAQI
13th Jan 2026298 AMAQI
13th Jan 2026319 AMAQI
13th Jan 20263110 AMAQI
13th Jan 20263311 AMAQI
13th Jan 20263612 PMAQI
13th Jan 2026421 PMAQI
13th Jan 2026512 PMAQI
13th Jan 2026523 PMAQI
13th Jan 2026464 PMAQI
13th Jan 2026405 PMAQI
13th Jan 2026366 PMAQI
13th Jan 2026387 PMAQI
13th Jan 2026338 PMAQI
13th Jan 2026369 PMAQI
13th Jan 20263310 PMAQI
13th Jan 20263811 PMAQI
14th Jan 20263812 AMAQI
14th Jan 2026341 AMAQI
14th Jan 2026382 AMAQI
14th Jan 2026333 AMAQI
14th Jan 2026274 AMAQI
14th Jan 2026145 AMAQI

10°C5/14°C

14th Jan 2026166 AMAQI
14th Jan 2026127 AMAQI
14th Jan 202688 AMAQI
14th Jan 202689 AMAQI
14th Jan 2026810 AMAQI
14th Jan 20261011 AMAQI
14th Jan 2026812 PMAQI
14th Jan 2026121 PMAQI
14th Jan 2026122 PMAQI
14th Jan 2026123 PMAQI
14th Jan 2026144 PMAQI
14th Jan 2026195 PMAQI
14th Jan 2026196 PMAQI
14th Jan 2026197 PMAQI
14th Jan 2026198 PMAQI
14th Jan 2026199 PMAQI
14th Jan 20261610 PMAQI
14th Jan 20261411 PMAQI
15th Jan 20261212 AMAQI
15th Jan 2026121 AMAQI
15th Jan 2026122 AMAQI
15th Jan 2026123 AMAQI
15th Jan 2026124 AMAQI
15th Jan 2026125 AMAQI

8°C6/10°C

15th Jan 2026146 AMAQI
15th Jan 2026127 AMAQI
15th Jan 2026168 AMAQI
15th Jan 2026199 AMAQI
15th Jan 20262110 AMAQI
15th Jan 20262511 AMAQI
15th Jan 20262712 PMAQI
15th Jan 2026381 PMAQI
15th Jan 2026382 PMAQI
15th Jan 2026453 PMAQI
15th Jan 2026524 PMAQI
15th Jan 2026545 PMAQI
15th Jan 2026576 PMAQI
15th Jan 2026587 PMAQI
15th Jan 2026558 PMAQI
15th Jan 2026549 PMAQI
15th Jan 20265710 PMAQI
15th Jan 20266411 PMAQI
16th Jan 20266812 AMAQI
16th Jan 2026621 AMAQI
16th Jan 2026522 AMAQI
16th Jan 2026443 AMAQI
16th Jan 2026424 AMAQI
16th Jan 2026485 AMAQI

8°C5/11°C

16th Jan 2026556 AMAQI
16th Jan 2026607 AMAQI
16th Jan 2026668 AMAQI
16th Jan 2026699 AMAQI
16th Jan 20266410 AMAQI
16th Jan 20266511 AMAQI
16th Jan 20265912 PMAQI
16th Jan 2026601 PMAQI
16th Jan 2026642 PMAQI
16th Jan 2026483 PMAQI
16th Jan 2026334 PMAQI
16th Jan 2026275 PMAQI
16th Jan 2026236 PMAQI
16th Jan 2026307 PMAQI
16th Jan 2026428 PMAQI
16th Jan 2026429 PMAQI
16th Jan 20263810 PMAQI
16th Jan 20263811 PMAQI
17th Jan 20263612 AMAQI
17th Jan 2026421 AMAQI
17th Jan 2026402 AMAQI
17th Jan 2026423 AMAQI
17th Jan 2026514 AMAQI
17th Jan 2026505 AMAQI

12°C8/15°C

17th Jan 2026486 AMAQI
17th Jan 2026477 AMAQI
17th Jan 2026528 AMAQI
17th Jan 2026529 AMAQI
17th Jan 20265110 AMAQI
17th Jan 20264811 AMAQI
17th Jan 20265412 PMAQI
17th Jan 2026591 PMAQI
17th Jan 2026562 PMAQI
17th Jan 2026583 PMAQI
17th Jan 2026644 PMAQI
17th Jan 2026705 PMAQI
17th Jan 2026716 PMAQI
17th Jan 2026727 PMAQI
17th Jan 2026798 PMAQI
17th Jan 2026799 PMAQI
17th Jan 20266610 PMAQI
17th Jan 20263611 PMAQI
18th Jan 20261912 AMAQI
18th Jan 2026191 AMAQI
18th Jan 2026172 AMAQI
18th Jan 2026123 AMAQI
18th Jan 2026144 AMAQI
18th Jan 2026175 AMAQI

11°C8/13°C

18th Jan 2026126 AMAQI
18th Jan 2026107 AMAQI
18th Jan 2026108 AMAQI
18th Jan 2026129 AMAQI
18th Jan 20261210 AMAQI
18th Jan 20261011 AMAQI
18th Jan 20261212 PMAQI
18th Jan 2026121 PMAQI
18th Jan 2026253 PMAQI
18th Jan 2026384 PMAQI
18th Jan 2026495 PMAQI
18th Jan 2026466 PMAQI
18th Jan 2026487 PMAQI
18th Jan 2026508 PMAQI
18th Jan 2026469 PMAQI
18th Jan 20263610 PMAQI
18th Jan 20263611 PMAQI
19th Jan 20263612 AMAQI
19th Jan 2026301 AMAQI
19th Jan 2026192 AMAQI
19th Jan 2026193 AMAQI
19th Jan 2026234 AMAQI
19th Jan 2026315 AMAQI

8°C6/9°C

19th Jan 2026406 AMAQI
19th Jan 2026407 AMAQI
19th Jan 2026428 AMAQI
19th Jan 2026449 AMAQI
19th Jan 20264410 AMAQI
19th Jan 20265011 AMAQI
19th Jan 20264812 PMAQI
19th Jan 2026511 PMAQI
19th Jan 2026492 PMAQI
19th Jan 2026483 PMAQI
19th Jan 2026504 PMAQI
19th Jan 2026535 PMAQI
19th Jan 2026556 PMAQI
19th Jan 2026607 PMAQI
19th Jan 2026628 PMAQI
19th Jan 2026629 PMAQI
19th Jan 20266210 PMAQI
19th Jan 20266611 PMAQI
20th Jan 20267012 AMAQI
20th Jan 2026741 AMAQI
20th Jan 2026782 AMAQI
20th Jan 2026743 AMAQI
20th Jan 2026794 AMAQI
20th Jan 2026765 AMAQI

8°C7/9°C

20th Jan 2026706 AMAQI
20th Jan 2026717 AMAQI
20th Jan 2026628 AMAQI
20th Jan 2026679 AMAQI
20th Jan 20267110 AMAQI
20th Jan 20267011 AMAQI
20th Jan 20264012 PMAQI
20th Jan 2026111 PMAQI
20th Jan 2026142 PMAQI
20th Jan 2026143 PMAQI
20th Jan 2026194 PMAQI
20th Jan 2026215 PMAQI
20th Jan 2026236 PMAQI
20th Jan 2026217 PMAQI
20th Jan 2026238 PMAQI
20th Jan 2026239 PMAQI
20th Jan 20261410 PMAQI
20th Jan 20261211 PMAQI
21st Jan 20261612 AMAQI
21st Jan 2026211 AMAQI
21st Jan 2026212 AMAQI
21st Jan 2026143 AMAQI
21st Jan 2026104 AMAQI
21st Jan 2026125 AMAQI

7°C4/11°C

21st Jan 2026126 AMAQI
21st Jan 2026107 AMAQI
21st Jan 202688 AMAQI
21st Jan 2026109 AMAQI
21st Jan 20261210 AMAQI
21st Jan 2026612 PMAQI
21st Jan 202681 PMAQI
21st Jan 2026122 PMAQI
21st Jan 2026173 PMAQI
21st Jan 2026174 PMAQI
21st Jan 2026125 PMAQI
21st Jan 2026126 PMAQI
21st Jan 2026217 PMAQI
21st Jan 2026218 PMAQI
21st Jan 2026219 PMAQI
21st Jan 20262910 PMAQI
21st Jan 20263111 PMAQI
22nd Jan 20263112 AMAQI
22nd Jan 2026231 AMAQI
22nd Jan 2026192 AMAQI
22nd Jan 2026163 AMAQI
22nd Jan 2026124 AMAQI
22nd Jan 2026125 AMAQI

4°C3/6°C

22nd Jan 202686 AMAQI
22nd Jan 2026147 AMAQI
22nd Jan 2026128 AMAQI
22nd Jan 2026129 AMAQI
22nd Jan 20261210 AMAQI
22nd Jan 20261211 AMAQI
22nd Jan 20261712 PMAQI
22nd Jan 2026171 PMAQI
22nd Jan 2026322 PMAQI
22nd Jan 2026593 PMAQI
22nd Jan 2026104 PMAQI
22nd Jan 2026245 PMAQI
22nd Jan 2026206 PMAQI
22nd Jan 2026107 PMAQI
22nd Jan 2026238 PMAQI
22nd Jan 2026449 PMAQI
22nd Jan 20262810 PMAQI
22nd Jan 20262411 PMAQI
23rd Jan 2026812 AMAQI
23rd Jan 2026221 AMAQI
23rd Jan 2026402 AMAQI
23rd Jan 2026263 AMAQI
23rd Jan 2026254 AMAQI
23rd Jan 2026455 AMAQI

4°C2/6°C

23rd Jan 2026286 AMAQI
23rd Jan 2026257 AMAQI
23rd Jan 2026378 AMAQI
23rd Jan 2026529 AMAQI
23rd Jan 20265810 AMAQI
23rd Jan 20264411 AMAQI
23rd Jan 20264612 PMAQI
23rd Jan 2026441 PMAQI
23rd Jan 2026412 PMAQI
23rd Jan 2026523 PMAQI
23rd Jan 2026464 PMAQI
23rd Jan 2026465 PMAQI
23rd Jan 2026526 PMAQI
23rd Jan 2026597 PMAQI
23rd Jan 2026428 PMAQI
23rd Jan 2026349 PMAQI
23rd Jan 20265110 PMAQI
23rd Jan 20264311 PMAQI
24th Jan 20263812 AMAQI
24th Jan 2026511 AMAQI
24th Jan 2026502 AMAQI
24th Jan 2026503 AMAQI
24th Jan 2026624 AMAQI
24th Jan 2026605 AMAQI

4°C2/7°C

24th Jan 2026376 AMAQI
24th Jan 2026387 AMAQI
24th Jan 2026388 AMAQI
24th Jan 2026499 AMAQI
24th Jan 20265210 AMAQI
24th Jan 20264211 AMAQI
24th Jan 20262312 PMAQI
24th Jan 2026281 PMAQI
24th Jan 2026362 PMAQI
24th Jan 2026563 PMAQI
24th Jan 2026364 PMAQI
24th Jan 2026305 PMAQI
24th Jan 2026266 PMAQI
24th Jan 2026367 PMAQI
24th Jan 2026408 PMAQI
24th Jan 2026349 PMAQI
24th Jan 20265110 PMAQI
24th Jan 20264211 PMAQI
25th Jan 20263712 AMAQI
25th Jan 2026511 AMAQI
25th Jan 2026832 AMAQI
25th Jan 2026493 AMAQI
25th Jan 2026354 AMAQI
25th Jan 2026625 AMAQI

6°C4/10°C

25th Jan 2026296 AMAQI
25th Jan 2026227 AMAQI
25th Jan 2026198 AMAQI
25th Jan 2026449 AMAQI
25th Jan 20265610 AMAQI
25th Jan 20264611 AMAQI
25th Jan 20266012 PMAQI
25th Jan 2026581 PMAQI
25th Jan 2026702 PMAQI
25th Jan 2026713 PMAQI
25th Jan 2026324 PMAQI
25th Jan 2026385 PMAQI
25th Jan 202686 PMAQI
25th Jan 2026187 PMAQI
25th Jan 2026468 PMAQI
25th Jan 2026389 PMAQI
25th Jan 20262910 PMAQI
25th Jan 20262511 PMAQI
26th Jan 20262412 AMAQI
26th Jan 2026261 AMAQI
26th Jan 2026342 AMAQI
26th Jan 2026223 AMAQI
26th Jan 2026264 AMAQI
26th Jan 2026525 AMAQI

4°C3/7°C

26th Jan 2026196 AMAQI
26th Jan 2026107 AMAQI
26th Jan 2026208 AMAQI
26th Jan 2026249 AMAQI
26th Jan 2026811 AMAQI
26th Jan 20264012 PMAQI
26th Jan 2026341 PMAQI
26th Jan 2026122 PMAQI
26th Jan 2026193 PMAQI
26th Jan 2026194 PMAQI
26th Jan 2026125 PMAQI
26th Jan 202686 PMAQI
26th Jan 2026147 PMAQI
26th Jan 2026198 PMAQI
26th Jan 2026179 PMAQI
26th Jan 20263410 PMAQI
26th Jan 20263811 PMAQI
27th Jan 20263912 AMAQI
27th Jan 2026471 AMAQI
27th Jan 2026472 AMAQI
27th Jan 2026503 AMAQI
27th Jan 2026314 AMAQI
27th Jan 2026385 AMAQI

4°C2/7°C

27th Jan 2026356 AMAQI
27th Jan 2026427 AMAQI
27th Jan 2026408 AMAQI
27th Jan 2026349 AMAQI
27th Jan 20264210 AMAQI
27th Jan 20262711 AMAQI
27th Jan 20262812 PMAQI
27th Jan 2026271 PMAQI
27th Jan 2026462 PMAQI
27th Jan 2026543 PMAQI
27th Jan 2026514 PMAQI
27th Jan 2026665 PMAQI
27th Jan 2026626 PMAQI
27th Jan 2026447 PMAQI
27th Jan 2026448 PMAQI
27th Jan 2026549 PMAQI
27th Jan 20266610 PMAQI
27th Jan 20266411 PMAQI
28th Jan 20266212 AMAQI
28th Jan 2026321 AMAQI
28th Jan 2026142 AMAQI
28th Jan 2026183 AMAQI
28th Jan 2026274 AMAQI
28th Jan 2026405 AMAQI

6°C3/8°C

28th Jan 2026366 AMAQI
28th Jan 2026237 AMAQI
28th Jan 2026218 AMAQI
28th Jan 2026199 AMAQI
28th Jan 20261410 AMAQI
28th Jan 20261211 AMAQI
28th Jan 20261212 PMAQI
28th Jan 2026101 PMAQI
28th Jan 2026142 PMAQI
28th Jan 2026143 PMAQI
28th Jan 2026144 PMAQI
28th Jan 2026145 PMAQI
28th Jan 2026106 PMAQI
28th Jan 202687 PMAQI
28th Jan 202688 PMAQI
28th Jan 202689 PMAQI
28th Jan 2026810 PMAQI
29th Jan 20261212 AMAQI
29th Jan 2026141 AMAQI
29th Jan 2026162 AMAQI
29th Jan 2026163 AMAQI
29th Jan 2026194 AMAQI
29th Jan 2026195 AMAQI

6°C4/8°C

29th Jan 2026216 AMAQI
29th Jan 2026217 AMAQI
29th Jan 2026238 AMAQI
29th Jan 2026259 AMAQI
29th Jan 20262510 AMAQI
29th Jan 20261911 AMAQI
29th Jan 20262112 PMAQI
29th Jan 2026252 PMAQI
29th Jan 2026273 PMAQI
29th Jan 2026254 PMAQI
29th Jan 2026295 PMAQI
29th Jan 2026276 PMAQI
29th Jan 2026257 PMAQI
29th Jan 2026258 PMAQI
29th Jan 2026169 PMAQI
29th Jan 20262810 PMAQI
29th Jan 20261411 PMAQI
30th Jan 20261212 AMAQI
30th Jan 2026461 AMAQI
30th Jan 2026572 AMAQI
30th Jan 2026413 AMAQI
30th Jan 2026694 AMAQI
30th Jan 2026845 AMAQI

5°C3/7°C

30th Jan 2026466 AMAQI
30th Jan 2026568 AMAQI
30th Jan 2026549 AMAQI
30th Jan 20265910 AMAQI
30th Jan 20264011 AMAQI
30th Jan 2026812 PMAQI
30th Jan 2026371 PMAQI
30th Jan 2026382 PMAQI
30th Jan 2026193 PMAQI
30th Jan 2026204 PMAQI
30th Jan 2026225 PMAQI
30th Jan 2026186 PMAQI
30th Jan 2026177 PMAQI
30th Jan 2026148 PMAQI
30th Jan 202689 PMAQI
30th Jan 20261610 PMAQI
30th Jan 20263511 PMAQI
31st Jan 20262012 AMAQI
31st Jan 2026351 AMAQI
31st Jan 2026382 AMAQI
31st Jan 2026373 AMAQI
31st Jan 2026424 AMAQI
31st Jan 2026485 AMAQI

5°C3/7°C

31st Jan 2026516 AMAQI
31st Jan 2026407 AMAQI
31st Jan 2026438 AMAQI
31st Jan 2026709 AMAQI
31st Jan 20268410 AMAQI
31st Jan 20263611 AMAQI
31st Jan 20263812 PMAQI
31st Jan 202681 PMAQI
31st Jan 2026362 PMAQI
31st Jan 2026293 PMAQI
31st Jan 2026464 PMAQI
31st Jan 2026325 PMAQI
31st Jan 2026266 PMAQI
31st Jan 2026508 PMAQI
31st Jan 2026349 PMAQI
31st Jan 20261710 PMAQI
31st Jan 20261611 PMAQI
1st Feb 20261912 AMAQI
1st Feb 2026221 AMAQI
1st Feb 2026302 AMAQI
1st Feb 2026323 AMAQI
1st Feb 2026414 AMAQI
1st Feb 2026725 AMAQI

5°C2/8°C

1st Feb 2026406 AMAQI
1st Feb 2026527 AMAQI
1st Feb 2026348 AMAQI
1st Feb 2026699 AMAQI
1st Feb 20268010 AMAQI
1st Feb 20265211 AMAQI
1st Feb 2026812 PMAQI
1st Feb 2026351 PMAQI
1st Feb 2026382 PMAQI
1st Feb 2026443 PMAQI
1st Feb 2026334 PMAQI
1st Feb 2026275 PMAQI
1st Feb 2026276 PMAQI
1st Feb 2026307 PMAQI
1st Feb 2026388 PMAQI
1st Feb 2026509 PMAQI
1st Feb 20264010 PMAQI
1st Feb 20264011 PMAQI
2nd Feb 20264512 AMAQI
2nd Feb 2026381 AMAQI
2nd Feb 2026272 AMAQI
2nd Feb 2026343 AMAQI
2nd Feb 2026664 AMAQI
2nd Feb 2026745 AMAQI

6°C4/8°C

2nd Feb 2026486 AMAQI
2nd Feb 2026597 AMAQI
2nd Feb 2026268 AMAQI
2nd Feb 2026549 AMAQI
2nd Feb 20267610 AMAQI
2nd Feb 20266811 AMAQI
2nd Feb 20264112 PMAQI
2nd Feb 2026431 PMAQI
2nd Feb 2026302 PMAQI
2nd Feb 2026353 PMAQI
2nd Feb 2026484 PMAQI
2nd Feb 2026375 PMAQI
2nd Feb 2026406 PMAQI
2nd Feb 2026427 PMAQI
2nd Feb 2026428 PMAQI
2nd Feb 2026389 PMAQI
2nd Feb 20262910 PMAQI
2nd Feb 20264211 PMAQI
3rd Feb 20264012 AMAQI
3rd Feb 2026261 AMAQI
3rd Feb 202682 AMAQI
3rd Feb 2026373 AMAQI
3rd Feb 2026384 AMAQI
3rd Feb 2026325 AMAQI

7°C5/10°C

3rd Feb 2026216 AMAQI
3rd Feb 2026317 AMAQI
3rd Feb 2026238 AMAQI
3rd Feb 2026259 AMAQI
3rd Feb 20265410 AMAQI
3rd Feb 20262211 AMAQI
3rd Feb 20262812 PMAQI
3rd Feb 2026141 PMAQI
3rd Feb 2026142 PMAQI
3rd Feb 2026173 PMAQI
3rd Feb 2026205 PMAQI
3rd Feb 2026256 PMAQI
3rd Feb 2026297 PMAQI
3rd Feb 2026368 PMAQI
3rd Feb 2026489 PMAQI
3rd Feb 20261710 PMAQI
3rd Feb 20262711 PMAQI
4th Feb 20262512 AMAQI
4th Feb 2026191 AMAQI
4th Feb 2026202 AMAQI
4th Feb 2026383 AMAQI
4th Feb 2026454 AMAQI
4th Feb 2026475 AMAQI

7°C4/9°C

4th Feb 2026386 AMAQI
4th Feb 2026447 AMAQI
4th Feb 2026498 AMAQI
4th Feb 2026469 AMAQI
4th Feb 20265210 AMAQI
4th Feb 20265111 AMAQI
4th Feb 20262912 PMAQI
4th Feb 2026311 PMAQI
4th Feb 2026272 PMAQI
4th Feb 2026323 PMAQI
4th Feb 2026384 PMAQI
4th Feb 2026415 PMAQI
4th Feb 2026366 PMAQI
4th Feb 2026447 PMAQI
4th Feb 2026528 PMAQI
4th Feb 2026519 PMAQI
4th Feb 20266210 PMAQI
4th Feb 20265211 PMAQI
5th Feb 20266612 AMAQI
5th Feb 2026671 AMAQI
5th Feb 2026682 AMAQI
5th Feb 2026673 AMAQI
5th Feb 2026604 AMAQI
5th Feb 2026575 AMAQI

8°C5/9°C

5th Feb 2026556 AMAQI
6 AM
5th Feb 2026557 AMAQI
5th Feb 2026608 AMAQI
5th Feb 2026649 AMAQI
5th Feb 20266010 AMAQI
5th Feb 20266011 AMAQI
11 AM
5th Feb 20266212 PMAQI
5th Feb 2026621 PMAQI
5th Feb 2026602 PMAQI
5th Feb 2026583 PMAQI
5th Feb 2026584 PMAQI
4 PM
5th Feb 2026565 PMAQI
5th Feb 2026586 PMAQI
5th Feb 2026627 PMAQI
5th Feb 2026658 PMAQI
5th Feb 2026669 PMAQI
5th Feb 20266910 PMAQI
5th Feb 20267311 PMAQI
11 PM
5 AM

9°C6/11°C

Day time
Avg. Highest Time
10 AM

42AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM - 8 AM

32AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 42), while the lowest AQI was between 7 AM to 8 AM (Avg. 32).
Night time
Avg. Highest Time
5 AM

41AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 41), while the lowest AQI was between 6 PM to 6 PM (Avg. 32).

2026 Days Vs Air Quality

Koto, Shibuya, Tokyo, Japan

2026

92%

33

8%

3

Total number of days with different AQI categories in last 37 days in 2026 (328 days remaining)

Good
33 Days
Moderate
3 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2026, 92% of 37 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

Koto, Shibuya, Tokyo, 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
16AQI (US)
2nd January 2026
23AQI (US)
3rd January 2026
19AQI (US)
4th January 2026
29AQI (US)
5th January 2026
55AQI (US)
6th January 2026
19AQI (US)
7th January 2026
30AQI (US)
8th January 2026
40AQI (US)
9th January 2026
15AQI (US)
10th January 2026
42AQI (US)
11th January 2026
35AQI (US)
12th January 2026
22AQI (US)
13th January 2026
35AQI (US)
14th January 2026
18AQI (US)
15th January 2026
32AQI (US)
16th January 2026
50AQI (US)
17th January 2026
55AQI (US)
18th January 2026
24AQI (US)
19th January 2026
45AQI (US)
20th January 2026
46AQI (US)
21st January 2026
15AQI (US)
22nd January 2026
20AQI (US)
23rd January 2026
40AQI (US)
24th January 2026
42AQI (US)
25th January 2026
43AQI (US)
26th January 2026
23AQI (US)
27th January 2026
45AQI (US)
28th January 2026
19AQI (US)
29th January 2026
21AQI (US)
30th January 2026
35AQI (US)
31st January 2026
38AQI (US)
1st February 2026
40AQI (US)
2nd February 2026
45AQI (US)
3rd February 2026
27AQI (US)
4th February 2026
40AQI (US)
5th February 2026
62AQI (US)
6th February 2026
7th February 2026
8th February 2026
9th February 2026
10th February 2026
11th February 2026
12th February 2026
13th February 2026
14th February 2026
15th February 2026
16th February 2026
17th February 2026
18th February 2026
19th February 2026
20th February 2026
21st February 2026
22nd February 2026
23rd February 2026
24th February 2026
25th February 2026
26th February 2026
27th February 2026
28th February 2026
1st March 2026
2nd March 2026
3rd March 2026
4th March 2026
5th March 2026
6th March 2026
7th March 2026
8th March 2026
9th March 2026
10th March 2026
11th March 2026
12th March 2026
13th March 2026
14th March 2026
15th March 2026
16th March 2026
17th March 2026
18th March 2026
19th March 2026
20th March 2026
21st March 2026
22nd March 2026
23rd March 2026
24th March 2026
25th March 2026
26th March 2026
27th March 2026
28th March 2026
29th March 2026
30th March 2026
31st March 2026
1st April 2026
2nd April 2026
3rd April 2026
4th April 2026
5th April 2026
6th April 2026
7th April 2026
8th April 2026
9th April 2026
10th April 2026
11th April 2026
12th April 2026
13th April 2026
14th April 2026
15th April 2026
16th April 2026
17th April 2026
18th April 2026
19th April 2026
20th April 2026
21st April 2026
22nd April 2026
23rd April 2026
24th April 2026
25th April 2026
26th April 2026
27th April 2026
28th April 2026
29th April 2026
30th April 2026
1st May 2026
2nd May 2026
3rd May 2026
4th May 2026
5th May 2026
6th May 2026
7th May 2026
8th May 2026
9th May 2026
10th May 2026
11th May 2026
12th May 2026
13th May 2026
14th May 2026
15th May 2026
16th May 2026
17th May 2026
18th May 2026
19th May 2026
20th May 2026
21st May 2026
22nd May 2026
23rd May 2026
24th May 2026
25th May 2026
26th May 2026
27th May 2026
28th May 2026
29th May 2026
30th May 2026
31st May 2026
1st June 2026
2nd June 2026
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
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

32AQI (US)

43AQI (US)

No. of days

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

202633AQI (US)

29
2
4
1
33
3

Highest AQI (US) recorded in

February

43AQI (US)

Lowest AQI (US) recorded in

January

32AQI (US)

202536AQI (US)

31
28
29
2
30
31
30
23
8
22
9
29
1
14
17
12
18
13
18
292
73

Highest AQI (US) recorded in

October

52AQI (US)

Lowest AQI (US) recorded in

May

21AQI (US)

202431AQI (US)

30
1
29
31
28
2
31
30
27
4
31
30
31
27
3
31
356
10

Highest AQI (US) recorded in

April

38AQI (US)

Lowest AQI (US) recorded in

September

24AQI (US)

202330AQI (US)

31
28
27
4
25
5
29
2
28
2
31
31
30
31
28
1
31
350
14

Highest AQI (US) recorded in

April

41AQI (US)

Lowest AQI (US) recorded in

August

17AQI (US)

202233AQI (US)

30
1
20
1
30
1
29
1
26
5
22
8
21
2
1
1
29
31
30
31
300
20

Highest AQI (US) recorded in

August

59AQI (US)

Lowest AQI (US) recorded in

December

27AQI (US)

202136AQI (US)

18
5
30
29
2
25
5
22
9
124
21

Highest AQI (US) recorded in

December

41AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202016AQI (US)

13
21
18
30
31
31
8
152

Highest AQI (US) recorded in

August

24AQI (US)

Lowest AQI (US) recorded in

April

10AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
36AQI (US)
Least Polluted Year Recorded
2020(Avg.)
16AQI (US)

Koto's annual 2026 AQI (US) (33) shows an average percentage change of 19.04% (worsened AQI (US)) compared to previous years: 2020 (16), 2021 (36), 2022 (33), 2023 (30), 2024 (31), 2025 (36).