Seocho Gu, Gwacheon, Gyeonggi, South Korea 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
Seocho Gu, Gwacheon, Gyeonggi, South Korea
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Aug 2024
83AQILowest AQI recorded on
9th Aug 2023
15AQISame Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Seocho Gu, Gwacheon, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM16th Aug 2026
7 PM
4 AM17th Aug 2026
Day time
Avg. Highest Time
5AM16th Aug
54AQI
Avg. Lowest Time
6PM16th Aug
29AQI
Night time
Avg. Highest Time
10PM16th Aug
36AQI
Avg. Lowest Time
2AM17th Aug
21AQI
In the last 24 hours,
Seocho Gu's AQI reached its highest point of 54 at 5 AM during the Day, while the lowest point, 21, was recorded at 2 AM during the Night between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Seocho Gu, Gwacheon, Gyeonggi, South Korea
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 2026195 AMAQI
19th Jul 2026426 AMAQI
19th Jul 2026577 AMAQI
19th Jul 2026728 AMAQI
19th Jul 2026739 AMAQI
19th Jul 20268110 AMAQI
19th Jul 20267211 AMAQI
19th Jul 20264212 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026192 PMAQI
19th Jul 2026273 PMAQI
19th Jul 2026314 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026527 PMAQI
19th Jul 2026468 PMAQI
19th Jul 2026659 PMAQI
19th Jul 20266210 PMAQI
19th Jul 20265411 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026461 AMAQI
20th Jul 2026532 AMAQI
20th Jul 2026553 AMAQI
20th Jul 2026524 AMAQI
23°C22/23°C
20th Jul 2026425 AMAQI
20th Jul 2026426 AMAQI
20th Jul 2026427 AMAQI
20th Jul 2026428 AMAQI
20th Jul 2026389 AMAQI
20th Jul 20263810 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20261712 PMAQI
20th Jul 2026101 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026193 PMAQI
20th Jul 2026124 PMAQI
20th Jul 2026125 PMAQI
20th Jul 2026126 PMAQI
20th Jul 202687 PMAQI
20th Jul 202688 PMAQI
20th Jul 202689 PMAQI
20th Jul 2026810 PMAQI
20th Jul 20261711 PMAQI
21st Jul 20261712 AMAQI
21st Jul 2026311 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026193 AMAQI
21st Jul 2026194 AMAQI
25°C24/26°C
21st Jul 2026315 AMAQI
21st Jul 2026196 AMAQI
21st Jul 2026217 AMAQI
21st Jul 2026198 AMAQI
21st Jul 2026239 AMAQI
21st Jul 20262710 AMAQI
21st Jul 20263111 AMAQI
21st Jul 2026271 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026303 PMAQI
21st Jul 2026344 PMAQI
21st Jul 2026315 PMAQI
21st Jul 2026316 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026389 PMAQI
21st Jul 20264210 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20264212 AMAQI
22nd Jul 2026461 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026553 AMAQI
22nd Jul 2026424 AMAQI
25°C23/27°C
22nd Jul 2026315 AMAQI
22nd Jul 2026316 AMAQI
22nd Jul 2026337 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026429 AMAQI
22nd Jul 20264410 AMAQI
22nd Jul 20264911 AMAQI
22nd Jul 20264212 PMAQI
22nd Jul 2026311 PMAQI
22nd Jul 2026522 PMAQI
22nd Jul 2026553 PMAQI
22nd Jul 2026554 PMAQI
22nd Jul 2026505 PMAQI
22nd Jul 2026686 PMAQI
22nd Jul 2026657 PMAQI
22nd Jul 2026628 PMAQI
22nd Jul 2026639 PMAQI
22nd Jul 20265110 PMAQI
22nd Jul 20263811 PMAQI
23rd Jul 20265012 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026512 AMAQI
23rd Jul 2026543 AMAQI
23rd Jul 2026584 AMAQI
26°C24/29°C
23rd Jul 2026585 AMAQI
23rd Jul 2026586 AMAQI
23rd Jul 2026527 AMAQI
23rd Jul 2026528 AMAQI
23rd Jul 2026529 AMAQI
23rd Jul 20265010 AMAQI
23rd Jul 20265011 AMAQI
23rd Jul 20265712 PMAQI
23rd Jul 2026601 PMAQI
23rd Jul 2026592 PMAQI
23rd Jul 2026573 PMAQI
23rd Jul 2026584 PMAQI
23rd Jul 2026605 PMAQI
23rd Jul 2026526 PMAQI
23rd Jul 2026587 PMAQI
23rd Jul 2026578 PMAQI
23rd Jul 2026599 PMAQI
23rd Jul 20266210 PMAQI
23rd Jul 20266211 PMAQI
24th Jul 20266212 AMAQI
24th Jul 2026621 AMAQI
24th Jul 2026642 AMAQI
24th Jul 2026523 AMAQI
24th Jul 2026534 AMAQI
25°C24/28°C
24th Jul 2026525 AMAQI
24th Jul 2026536 AMAQI
24th Jul 2026497 AMAQI
24th Jul 2026508 AMAQI
24th Jul 2026539 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20266011 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026621 PMAQI
24th Jul 2026622 PMAQI
24th Jul 2026533 PMAQI
24th Jul 2026554 PMAQI
24th Jul 2026555 PMAQI
24th Jul 2026536 PMAQI
24th Jul 2026527 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026589 PMAQI
24th Jul 20265510 PMAQI
24th Jul 20264211 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026511 AMAQI
25th Jul 2026502 AMAQI
25th Jul 2026483 AMAQI
25th Jul 2026444 AMAQI
28°C24/32°C
25th Jul 2026385 AMAQI
25th Jul 2026446 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026499 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20265311 AMAQI
25th Jul 20264612 PMAQI
25th Jul 2026531 PMAQI
25th Jul 2026502 PMAQI
25th Jul 2026513 PMAQI
25th Jul 2026544 PMAQI
25th Jul 2026385 PMAQI
25th Jul 2026426 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026488 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026254 AMAQI
28°C25/32°C
26th Jul 2026215 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026318 AMAQI
26th Jul 2026409 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026272 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026336 PMAQI
26th Jul 2026337 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026214 AMAQI
28°C25/32°C
27th Jul 2026235 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20262710 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262512 PMAQI
27th Jul 2026481 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026254 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026386 PMAQI
27th Jul 2026537 PMAQI
27th Jul 2026338 PMAQI
27th Jul 2026389 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026363 AMAQI
28th Jul 2026314 AMAQI
28°C25/33°C
28th Jul 2026365 AMAQI
28th Jul 2026336 AMAQI
28th Jul 2026427 AMAQI
28th Jul 2026408 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20264210 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20265812 PMAQI
28th Jul 2026541 PMAQI
28th Jul 2026662 PMAQI
28th Jul 2026583 PMAQI
28th Jul 2026644 PMAQI
28th Jul 2026635 PMAQI
28th Jul 2026716 PMAQI
28th Jul 2026727 PMAQI
28th Jul 2026658 PMAQI
28th Jul 2026709 PMAQI
28th Jul 20265210 PMAQI
28th Jul 20266811 PMAQI
29th Jul 20266212 AMAQI
29th Jul 2026481 AMAQI
29th Jul 2026542 AMAQI
29th Jul 2026363 AMAQI
29th Jul 2026464 AMAQI
28°C25/33°C
29th Jul 2026515 AMAQI
29th Jul 2026486 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026128 AMAQI
29th Jul 2026149 AMAQI
29th Jul 20261710 AMAQI
29th Jul 20262711 AMAQI
29th Jul 20262112 PMAQI
29th Jul 2026171 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026363 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026316 PMAQI
29th Jul 2026337 PMAQI
29th Jul 2026338 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20263111 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026293 AMAQI
30th Jul 2026274 AMAQI
28°C25/33°C
30th Jul 2026295 AMAQI
30th Jul 2026406 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20263611 AMAQI
30th Jul 20264212 PMAQI
30th Jul 2026401 PMAQI
30th Jul 2026522 PMAQI
30th Jul 2026273 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026386 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026389 PMAQI
30th Jul 20263110 PMAQI
30th Jul 20263211 PMAQI
31st Jul 20263312 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026312 AMAQI
31st Jul 2026383 AMAQI
31st Jul 2026314 AMAQI
28°C24/33°C
31st Jul 2026385 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026317 AMAQI
31st Jul 2026488 AMAQI
31st Jul 2026339 AMAQI
31st Jul 20265310 AMAQI
31st Jul 20266211 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026551 PMAQI
31st Jul 2026592 PMAQI
31st Jul 2026523 PMAQI
31st Jul 2026624 PMAQI
31st Jul 2026605 PMAQI
31st Jul 2026596 PMAQI
31st Jul 2026607 PMAQI
31st Jul 2026628 PMAQI
31st Jul 2026669 PMAQI
31st Jul 20265410 PMAQI
31st Jul 20268111 PMAQI
1st Aug 20267612 AMAQI
1st Aug 2026811 AMAQI
1st Aug 2026792 AMAQI
1st Aug 2026803 AMAQI
1st Aug 20261014 AMAQI
29°C25/33°C
1st Aug 2026945 AMAQI
1st Aug 2026886 AMAQI
1st Aug 2026837 AMAQI
1st Aug 2026958 AMAQI
1st Aug 2026859 AMAQI
1st Aug 20268410 AMAQI
1st Aug 20269211 AMAQI
1st Aug 20269012 PMAQI
1st Aug 2026851 PMAQI
1st Aug 2026732 PMAQI
1st Aug 2026703 PMAQI
1st Aug 2026804 PMAQI
1st Aug 2026825 PMAQI
1st Aug 2026786 PMAQI
1st Aug 2026787 PMAQI
1st Aug 2026578 PMAQI
1st Aug 2026579 PMAQI
1st Aug 20268210 PMAQI
1st Aug 20267111 PMAQI
2nd Aug 20267112 AMAQI
2nd Aug 2026691 AMAQI
2nd Aug 2026712 AMAQI
2nd Aug 2026623 AMAQI
2nd Aug 2026704 AMAQI
29°C26/34°C
2nd Aug 2026945 AMAQI
2nd Aug 2026766 AMAQI
2nd Aug 2026527 AMAQI
2nd Aug 2026748 AMAQI
2nd Aug 2026559 AMAQI
2nd Aug 20266510 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20266012 PMAQI
2nd Aug 2026721 PMAQI
2nd Aug 2026522 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026624 PMAQI
2nd Aug 2026545 PMAQI
2nd Aug 2026406 PMAQI
2nd Aug 2026567 PMAQI
2nd Aug 2026498 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20266210 PMAQI
2nd Aug 20267211 PMAQI
3rd Aug 20264612 AMAQI
3rd Aug 2026481 AMAQI
3rd Aug 2026462 AMAQI
3rd Aug 2026563 AMAQI
3rd Aug 2026504 AMAQI
30°C26/35°C
3rd Aug 2026365 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026547 AMAQI
3rd Aug 2026528 AMAQI
3rd Aug 2026649 AMAQI
3rd Aug 20266010 AMAQI
3rd Aug 20266211 AMAQI
3rd Aug 20266712 PMAQI
3rd Aug 2026831 PMAQI
3rd Aug 2026652 PMAQI
3rd Aug 2026483 PMAQI
3rd Aug 2026624 PMAQI
3rd Aug 2026555 PMAQI
3rd Aug 2026696 PMAQI
3rd Aug 2026567 PMAQI
3rd Aug 2026648 PMAQI
3rd Aug 2026569 PMAQI
3rd Aug 20266210 PMAQI
3rd Aug 20267011 PMAQI
4th Aug 20267812 AMAQI
4th Aug 2026801 AMAQI
4th Aug 2026662 AMAQI
4th Aug 2026583 AMAQI
4th Aug 2026664 AMAQI
32°C26/38°C
4th Aug 2026575 AMAQI
4th Aug 2026606 AMAQI
4th Aug 2026627 AMAQI
4th Aug 2026598 AMAQI
4th Aug 2026539 AMAQI
4th Aug 20265610 AMAQI
4th Aug 20266311 AMAQI
4th Aug 20266712 PMAQI
4th Aug 2026741 PMAQI
4th Aug 2026662 PMAQI
4th Aug 2026693 PMAQI
4th Aug 2026744 PMAQI
4th Aug 2026725 PMAQI
4th Aug 2026696 PMAQI
4th Aug 2026667 PMAQI
4th Aug 2026558 PMAQI
4th Aug 2026559 PMAQI
4th Aug 20265510 PMAQI
4th Aug 20265511 PMAQI
5th Aug 20266012 AMAQI
5th Aug 2026641 AMAQI
5th Aug 2026662 AMAQI
5th Aug 2026693 AMAQI
5th Aug 2026684 AMAQI
32°C28/38°C
5th Aug 2026595 AMAQI
5th Aug 2026566 AMAQI
5th Aug 2026527 AMAQI
5th Aug 2026428 AMAQI
5th Aug 2026469 AMAQI
5th Aug 20264210 AMAQI
5th Aug 20265011 AMAQI
5th Aug 20264012 PMAQI
5th Aug 2026441 PMAQI
5th Aug 2026522 PMAQI
5th Aug 2026523 PMAQI
5th Aug 2026574 PMAQI
5th Aug 2026555 PMAQI
5th Aug 2026536 PMAQI
5th Aug 2026577 PMAQI
5th Aug 2026628 PMAQI
5th Aug 2026649 PMAQI
5th Aug 20266210 PMAQI
5th Aug 20266011 PMAQI
6th Aug 20266712 AMAQI
6th Aug 2026591 AMAQI
6th Aug 2026542 AMAQI
6th Aug 2026523 AMAQI
6th Aug 2026334 AMAQI
32°C27/38°C
6th Aug 2026465 AMAQI
6th Aug 2026566 AMAQI
6th Aug 2026467 AMAQI
6th Aug 2026488 AMAQI
6th Aug 2026389 AMAQI
6th Aug 20264410 AMAQI
6th Aug 20264811 AMAQI
6th Aug 20264412 PMAQI
6th Aug 2026461 PMAQI
6th Aug 2026422 PMAQI
6th Aug 2026533 PMAQI
6th Aug 2026644 PMAQI
6th Aug 2026545 PMAQI
6th Aug 2026406 PMAQI
6th Aug 2026367 PMAQI
6th Aug 2026478 PMAQI
6th Aug 2026639 PMAQI
6th Aug 20267010 PMAQI
6th Aug 20268611 PMAQI
7th Aug 20268012 AMAQI
7th Aug 2026671 AMAQI
7th Aug 2026702 AMAQI
7th Aug 2026743 AMAQI
7th Aug 2026764 AMAQI
33°C28/39°C
7th Aug 2026785 AMAQI
7th Aug 2026826 AMAQI
7th Aug 2026707 AMAQI
7th Aug 2026648 AMAQI
7th Aug 2026679 AMAQI
7th Aug 20266610 AMAQI
7th Aug 20266511 AMAQI
7th Aug 20266812 PMAQI
7th Aug 2026721 PMAQI
7th Aug 2026562 PMAQI
7th Aug 2026543 PMAQI
7th Aug 2026714 PMAQI
7th Aug 2026705 PMAQI
7th Aug 2026696 PMAQI
7th Aug 2026647 PMAQI
7th Aug 2026528 PMAQI
7th Aug 2026759 PMAQI
7th Aug 20265810 PMAQI
7th Aug 20266011 PMAQI
8th Aug 20265712 AMAQI
8th Aug 2026601 AMAQI
8th Aug 2026462 AMAQI
8th Aug 2026523 AMAQI
8th Aug 2026514 AMAQI
33°C29/39°C
8th Aug 2026485 AMAQI
8th Aug 2026366 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026449 AMAQI
8th Aug 20263810 AMAQI
8th Aug 20263111 AMAQI
8th Aug 20261712 PMAQI
8th Aug 2026141 PMAQI
8th Aug 202682 PMAQI
8th Aug 2026123 PMAQI
8th Aug 2026314 PMAQI
8th Aug 2026195 PMAQI
8th Aug 202686 PMAQI
8th Aug 2026127 PMAQI
8th Aug 2026198 PMAQI
8th Aug 2026179 PMAQI
8th Aug 20261910 PMAQI
8th Aug 20261211 PMAQI
9th Aug 20261912 AMAQI
9th Aug 2026271 AMAQI
9th Aug 2026272 AMAQI
9th Aug 2026313 AMAQI
9th Aug 2026214 AMAQI
30°C25/35°C
9th Aug 2026315 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026177 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026279 AMAQI
9th Aug 20262310 AMAQI
9th Aug 20261411 AMAQI
9th Aug 20261912 PMAQI
9th Aug 2026141 PMAQI
9th Aug 2026122 PMAQI
9th Aug 2026123 PMAQI
9th Aug 2026194 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026176 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026298 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20262310 PMAQI
9th Aug 20262911 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026214 AMAQI
27°C22/32°C
10th Aug 2026235 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026177 AMAQI
10th Aug 2026198 AMAQI
10th Aug 2026219 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026331 PMAQI
10th Aug 2026272 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026325 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026307 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20262110 PMAQI
10th Aug 20262111 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026251 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026233 AMAQI
11th Aug 2026254 AMAQI
28°C23/33°C
11th Aug 2026255 AMAQI
11th Aug 2026216 AMAQI
11th Aug 2026237 AMAQI
11th Aug 2026238 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20262110 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262312 PMAQI
11th Aug 2026211 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026213 PMAQI
11th Aug 2026214 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026237 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026233 AMAQI
12th Aug 2026214 AMAQI
29°C24/35°C
12th Aug 2026275 AMAQI
12th Aug 2026236 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026299 AMAQI
12th Aug 20262110 AMAQI
12th Aug 20262111 AMAQI
12th Aug 20262112 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026292 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026258 PMAQI
12th Aug 2026259 PMAQI
12th Aug 20262710 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026253 AMAQI
13th Aug 2026254 AMAQI
26°C21/32°C
13th Aug 2026215 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026219 AMAQI
13th Aug 20262310 AMAQI
13th Aug 20262111 AMAQI
13th Aug 20262312 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026232 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026254 PMAQI
13th Aug 2026235 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026219 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026211 AMAQI
14th Aug 2026212 AMAQI
14th Aug 2026213 AMAQI
14th Aug 2026254 AMAQI
26°C22/32°C
14th Aug 2026255 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026217 AMAQI
14th Aug 2026298 AMAQI
14th Aug 2026239 AMAQI
14th Aug 20262510 AMAQI
14th Aug 20263811 AMAQI
14th Aug 20263412 PMAQI
14th Aug 2026291 PMAQI
14th Aug 2026292 PMAQI
14th Aug 2026293 PMAQI
14th Aug 2026214 PMAQI
14th Aug 2026255 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026238 PMAQI
14th Aug 2026259 PMAQI
14th Aug 20262510 PMAQI
14th Aug 20262511 PMAQI
15th Aug 20262312 AMAQI
15th Aug 2026251 AMAQI
15th Aug 2026482 AMAQI
15th Aug 2026403 AMAQI
15th Aug 2026274 AMAQI
27°C24/31°C
15th Aug 2026215 AMAQI
15th Aug 2026256 AMAQI
15th Aug 2026237 AMAQI
15th Aug 2026298 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262510 AMAQI
15th Aug 20262111 AMAQI
15th Aug 20262112 PMAQI
15th Aug 2026231 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026573 PMAQI
15th Aug 2026564 PMAQI
15th Aug 2026515 PMAQI
15th Aug 2026466 PMAQI
15th Aug 2026387 PMAQI
15th Aug 2026448 PMAQI
15th Aug 2026529 PMAQI
15th Aug 20265210 PMAQI
15th Aug 20264611 PMAQI
16th Aug 20265212 AMAQI
16th Aug 2026511 AMAQI
16th Aug 2026572 AMAQI
16th Aug 2026553 AMAQI
16th Aug 2026544 AMAQI
25°C23/26°C
16th Aug 2026545 AMAQI
16th Aug 2026486 AMAQI
16th Aug 2026407 AMAQI
16th Aug 2026338 AMAQI
16th Aug 2026339 AMAQI
16th Aug 20263610 AMAQI
16th Aug 20263111 AMAQI
16th Aug 20263112 PMAQI
16th Aug 2026401 PMAQI
16th Aug 2026382 PMAQI
16th Aug 2026333 PMAQI
16th Aug 2026314 PMAQI
16th Aug 2026295 PMAQI
16th Aug 2026296 PMAQI
16th Aug 2026317 PMAQI
16th Aug 2026318 PMAQI
16th Aug 2026339 PMAQI
16th Aug 20263610 PMAQI
16th Aug 20263611 PMAQI
17th Aug 20262912 AMAQI
17th Aug 2026231 AMAQI
17th Aug 2026212 AMAQI
17th Aug 2026273 AMAQI
17th Aug 2026254 AMAQI
25°C22/28°C
17th Aug 2026255 AMAQI
5 AM17th Aug 2026236 AMAQI
17th Aug 2026257 AMAQI
17th Aug 2026238 AMAQI
17th Aug 2026259 AMAQI
17th Aug 20262110 AMAQI
17th Aug 20262111 AMAQI
17th Aug 20262112 PMAQI
12 PM17th Aug 2026211 PMAQI
17th Aug 2026212 PMAQI
17th Aug 2026213 PMAQI
17th Aug 2026254 PMAQI
17th Aug 2026215 PMAQI
17th Aug 2026296 PMAQI
17th Aug 2026387 PMAQI
7 PM17th Aug 2026408 PMAQI
17th Aug 2026449 PMAQI
17th Aug 20264010 PMAQI
17th Aug 20263311 PMAQI
12 AM
4 AM
13°C13/13°C
Day time
Avg. Highest Time
7 PM
44AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
7 AM
37AQI
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. 44), while the lowest AQI was between 7 AM to 7 AM (Avg. 37).
Night time
Avg. Highest Time
9 PM - 11 PM
43AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 8 PM
42AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 PM to 11 PM (Avg. 43), while the lowest AQI was between 12 AM to 8 PM (Avg. 42).
2026 Days Vs Air Quality
Seocho Gu, Gwacheon, Gyeonggi, South Korea
2026
42%
95
46%
103
12%
28
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Good
95 DaysModerate
103 DaysPoor
28 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 42%
Health Risk Level:
Significant
In 2026, 42% of 229 days were within WHO’s safe air quality limits, and 58% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Seocho Gu, Gwacheon, Gyeonggi, South Korea
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
28AQI (US)
28AQI (US)
2nd January 2026
36AQI (US)
36AQI (US)
3rd January 2026
59AQI (US)
59AQI (US)
4th January 2026
90AQI (US)
90AQI (US)
5th January 2026
65AQI (US)
65AQI (US)
6th January 2026
63AQI (US)
63AQI (US)
7th January 2026
63AQI (US)
63AQI (US)
8th January 2026
36AQI (US)
36AQI (US)
9th January 2026
53AQI (US)
53AQI (US)
10th January 2026
57AQI (US)
57AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
45AQI (US)
45AQI (US)
13th January 2026
48AQI (US)
48AQI (US)
14th January 2026
47AQI (US)
47AQI (US)
15th January 2026
69AQI (US)
69AQI (US)
16th January 2026
144AQI (US)
144AQI (US)
17th January 2026
126AQI (US)
126AQI (US)
18th January 2026
87AQI (US)
87AQI (US)
19th January 2026
75AQI (US)
75AQI (US)
20th January 2026
44AQI (US)
44AQI (US)
21st January 2026
39AQI (US)
39AQI (US)
22nd January 2026
39AQI (US)
39AQI (US)
23rd January 2026
56AQI (US)
56AQI (US)
24th January 2026
57AQI (US)
57AQI (US)
25th January 2026
32AQI (US)
32AQI (US)
26th January 2026
59AQI (US)
59AQI (US)
27th January 2026
63AQI (US)
63AQI (US)
28th January 2026
43AQI (US)
43AQI (US)
29th January 2026
47AQI (US)
47AQI (US)
30th January 2026
60AQI (US)
60AQI (US)
31st January 2026
67AQI (US)
67AQI (US)
1st February 2026
72AQI (US)
72AQI (US)
2nd February 2026
78AQI (US)
78AQI (US)
3rd February 2026
64AQI (US)
64AQI (US)
4th February 2026
130AQI (US)
130AQI (US)
5th February 2026
144AQI (US)
144AQI (US)
6th February 2026
67AQI (US)
67AQI (US)
7th February 2026
47AQI (US)
47AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
56AQI (US)
56AQI (US)
10th February 2026
97AQI (US)
97AQI (US)
11th February 2026
140AQI (US)
140AQI (US)
12th February 2026
125AQI (US)
125AQI (US)
13th February 2026
136AQI (US)
136AQI (US)
14th February 2026
143AQI (US)
143AQI (US)
15th February 2026
112AQI (US)
112AQI (US)
16th February 2026
51AQI (US)
51AQI (US)
17th February 2026
50AQI (US)
50AQI (US)
18th February 2026
64AQI (US)
64AQI (US)
19th February 2026
57AQI (US)
57AQI (US)
20th February 2026
85AQI (US)
85AQI (US)
21st February 2026
102AQI (US)
102AQI (US)
22nd February 2026
57AQI (US)
57AQI (US)
23rd February 2026
36AQI (US)
36AQI (US)
24th February 2026
39AQI (US)
39AQI (US)
25th February 2026
52AQI (US)
52AQI (US)
26th February 2026
51AQI (US)
51AQI (US)
27th February 2026
33AQI (US)
33AQI (US)
28th February 2026
41AQI (US)
41AQI (US)
1st March 2026
46AQI (US)
46AQI (US)
2nd March 2026
17AQI (US)
17AQI (US)
3rd March 2026
33AQI (US)
33AQI (US)
4th March 2026
66AQI (US)
66AQI (US)
5th March 2026
105AQI (US)
105AQI (US)
6th March 2026
86AQI (US)
86AQI (US)
7th March 2026
59AQI (US)
59AQI (US)
8th March 2026
67AQI (US)
67AQI (US)
9th March 2026
114AQI (US)
114AQI (US)
10th March 2026
97AQI (US)
97AQI (US)
11th March 2026
90AQI (US)
90AQI (US)
12th March 2026
109AQI (US)
109AQI (US)
13th March 2026
47AQI (US)
47AQI (US)
14th March 2026
54AQI (US)
54AQI (US)
15th March 2026
109AQI (US)
109AQI (US)
16th March 2026
142AQI (US)
142AQI (US)
17th March 2026
150AQI (US)
150AQI (US)
18th March 2026
114AQI (US)
114AQI (US)
19th March 2026
52AQI (US)
52AQI (US)
20th March 2026
71AQI (US)
71AQI (US)
21st March 2026
109AQI (US)
109AQI (US)
22nd March 2026
92AQI (US)
92AQI (US)
23rd March 2026
101AQI (US)
101AQI (US)
24th March 2026
100AQI (US)
100AQI (US)
25th March 2026
83AQI (US)
83AQI (US)
26th March 2026
123AQI (US)
123AQI (US)
27th March 2026
131AQI (US)
131AQI (US)
28th March 2026
143AQI (US)
143AQI (US)
29th March 2026
117AQI (US)
117AQI (US)
30th March 2026
106AQI (US)
106AQI (US)
31st March 2026
64AQI (US)
64AQI (US)
1st April 2026
49AQI (US)
49AQI (US)
2nd April 2026
92AQI (US)
92AQI (US)
3rd April 2026
130AQI (US)
130AQI (US)
4th April 2026
70AQI (US)
70AQI (US)
5th April 2026
91AQI (US)
91AQI (US)
6th April 2026
67AQI (US)
67AQI (US)
7th April 2026
36AQI (US)
36AQI (US)
8th April 2026
63AQI (US)
63AQI (US)
9th April 2026
52AQI (US)
52AQI (US)
10th April 2026
55AQI (US)
55AQI (US)
11th April 2026
95AQI (US)
95AQI (US)
12th April 2026
120AQI (US)
120AQI (US)
13th April 2026
78AQI (US)
78AQI (US)
14th April 2026
83AQI (US)
83AQI (US)
15th April 2026
123AQI (US)
123AQI (US)
16th April 2026
52AQI (US)
52AQI (US)
17th April 2026
18th April 2026
60AQI (US)
60AQI (US)
19th April 2026
72AQI (US)
72AQI (US)
20th April 2026
61AQI (US)
61AQI (US)
21st April 2026
71AQI (US)
71AQI (US)
22nd April 2026
23rd April 2026
51AQI (US)
51AQI (US)
24th April 2026
47AQI (US)
47AQI (US)
25th April 2026
65AQI (US)
65AQI (US)
26th April 2026
57AQI (US)
57AQI (US)
27th April 2026
60AQI (US)
60AQI (US)
28th April 2026
51AQI (US)
51AQI (US)
29th April 2026
52AQI (US)
52AQI (US)
30th April 2026
55AQI (US)
55AQI (US)
1st May 2026
54AQI (US)
54AQI (US)
2nd May 2026
125AQI (US)
125AQI (US)
3rd May 2026
55AQI (US)
55AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
41AQI (US)
41AQI (US)
6th May 2026
31AQI (US)
31AQI (US)
7th May 2026
34AQI (US)
34AQI (US)
8th May 2026
32AQI (US)
32AQI (US)
9th May 2026
10th May 2026
34AQI (US)
34AQI (US)
11th May 2026
35AQI (US)
35AQI (US)
12th May 2026
38AQI (US)
38AQI (US)
13th May 2026
44AQI (US)
44AQI (US)
14th May 2026
45AQI (US)
45AQI (US)
15th May 2026
86AQI (US)
86AQI (US)
16th May 2026
78AQI (US)
78AQI (US)
17th May 2026
65AQI (US)
65AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
53AQI (US)
53AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
65AQI (US)
65AQI (US)
22nd May 2026
75AQI (US)
75AQI (US)
23rd May 2026
70AQI (US)
70AQI (US)
24th May 2026
70AQI (US)
70AQI (US)
25th May 2026
64AQI (US)
64AQI (US)
26th May 2026
50AQI (US)
50AQI (US)
27th May 2026
46AQI (US)
46AQI (US)
28th May 2026
22AQI (US)
22AQI (US)
29th May 2026
74AQI (US)
74AQI (US)
30th May 2026
68AQI (US)
68AQI (US)
31st May 2026
50AQI (US)
50AQI (US)
1st June 2026
46AQI (US)
46AQI (US)
2nd June 2026
71AQI (US)
71AQI (US)
3rd June 2026
70AQI (US)
70AQI (US)
4th June 2026
70AQI (US)
70AQI (US)
5th June 2026
24AQI (US)
24AQI (US)
6th June 2026
36AQI (US)
36AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
23AQI (US)
23AQI (US)
9th June 2026
25AQI (US)
25AQI (US)
10th June 2026
48AQI (US)
48AQI (US)
11th June 2026
74AQI (US)
74AQI (US)
12th June 2026
54AQI (US)
54AQI (US)
13th June 2026
46AQI (US)
46AQI (US)
14th June 2026
55AQI (US)
55AQI (US)
15th June 2026
54AQI (US)
54AQI (US)
16th June 2026
76AQI (US)
76AQI (US)
17th June 2026
71AQI (US)
71AQI (US)
18th June 2026
48AQI (US)
48AQI (US)
19th June 2026
58AQI (US)
58AQI (US)
20th June 2026
18AQI (US)
18AQI (US)
21st June 2026
12AQI (US)
12AQI (US)
22nd June 2026
26AQI (US)
26AQI (US)
23rd June 2026
30AQI (US)
30AQI (US)
24th June 2026
14AQI (US)
14AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
61AQI (US)
61AQI (US)
28th June 2026
49AQI (US)
49AQI (US)
29th June 2026
52AQI (US)
52AQI (US)
30th June 2026
38AQI (US)
38AQI (US)
1st July 2026
53AQI (US)
53AQI (US)
2nd July 2026
49AQI (US)
49AQI (US)
3rd July 2026
39AQI (US)
39AQI (US)
4th July 2026
47AQI (US)
47AQI (US)
5th July 2026
27AQI (US)
27AQI (US)
6th July 2026
34AQI (US)
34AQI (US)
7th July 2026
31AQI (US)
31AQI (US)
8th July 2026
22AQI (US)
22AQI (US)
9th July 2026
20AQI (US)
20AQI (US)
10th July 2026
27AQI (US)
27AQI (US)
11th July 2026
28AQI (US)
28AQI (US)
12th July 2026
46AQI (US)
46AQI (US)
13th July 2026
48AQI (US)
48AQI (US)
14th July 2026
28AQI (US)
28AQI (US)
15th July 2026
33AQI (US)
33AQI (US)
16th July 2026
69AQI (US)
69AQI (US)
17th July 2026
65AQI (US)
65AQI (US)
18th July 2026
22AQI (US)
22AQI (US)
19th July 2026
40AQI (US)
40AQI (US)
20th July 2026
28AQI (US)
28AQI (US)
21st July 2026
30AQI (US)
30AQI (US)
22nd July 2026
47AQI (US)
47AQI (US)
23rd July 2026
56AQI (US)
56AQI (US)
24th July 2026
55AQI (US)
55AQI (US)
25th July 2026
46AQI (US)
46AQI (US)
26th July 2026
30AQI (US)
30AQI (US)
27th July 2026
29AQI (US)
29AQI (US)
28th July 2026
49AQI (US)
49AQI (US)
29th July 2026
33AQI (US)
33AQI (US)
30th July 2026
32AQI (US)
32AQI (US)
31st July 2026
49AQI (US)
49AQI (US)
1st August 2026
81AQI (US)
81AQI (US)
2nd August 2026
62AQI (US)
62AQI (US)
3rd August 2026
57AQI (US)
57AQI (US)
4th August 2026
64AQI (US)
64AQI (US)
5th August 2026
56AQI (US)
56AQI (US)
6th August 2026
52AQI (US)
52AQI (US)
7th August 2026
68AQI (US)
68AQI (US)
8th August 2026
29AQI (US)
29AQI (US)
9th August 2026
22AQI (US)
22AQI (US)
10th August 2026
24AQI (US)
24AQI (US)
11th August 2026
23AQI (US)
23AQI (US)
12th August 2026
24AQI (US)
24AQI (US)
13th August 2026
23AQI (US)
23AQI (US)
14th August 2026
25AQI (US)
25AQI (US)
15th August 2026
35AQI (US)
35AQI (US)
16th August 2026
39AQI (US)
39AQI (US)
17th August 2026
27AQI (US)
27AQI (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
59AQI (US)
78AQI (US)
90AQI (US)
70AQI (US)
55AQI (US)
44AQI (US)
39AQI (US)
42AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202660AQI (US)
13
16
2
7
13
8
4
13
14
3
22
3
14
15
1
18
12
26
5
10
7
95
103
28
Highest AQI (US) recorded in
March90AQI (US)
Lowest AQI (US) recorded in
July39AQI (US)
202562AQI (US)
1
23
6
1
6
20
2
3
17
11
4
26
3
28
4
26
21
10
17
14
23
7
21
10
7
18
5
12
17
2
122
216
26
1
Highest AQI (US) recorded in
March87AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202461AQI (US)
11
14
6
9
14
6
5
21
3
1
1
4
20
6
10
19
2
6
23
1
20
11
12
19
25
5
14
17
7
22
1
3
27
1
126
212
26
1
1
Highest AQI (US) recorded in
March79AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202364AQI (US)
12
12
4
2
3
18
4
3
3
15
11
2
4
20
5
1
6
24
1
7
23
18
11
2
23
8
23
7
14
15
2
8
18
3
11
16
4
132
187
36
8
Highest AQI (US) recorded in
March96AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202262AQI (US)
3
19
7
1
7
9
5
11
13
7
9
18
3
13
16
2
16
13
1
8
13
1
24
2
2
18
10
3
10
14
5
1
10
20
1
130
147
36
2
Highest AQI (US) recorded in
January80AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202164AQI (US)
11
15
4
6
13
6
3
3
15
7
5
1
7
19
4
10
18
1
1
1
12
18
19
12
20
11
28
2
18
13
7
17
4
2
11
13
7
152
166
33
10
2
1
Highest AQI (US) recorded in
March101AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202061AQI (US)
3
8
2
1
18
2
3
9
6
4
26
19
12
21
10
24
6
17
11
3
7
15
8
9
13
8
1
108
128
29
1
Highest AQI (US) recorded in
May80AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
64AQI (US)Least Polluted Year Recorded
2026(Avg.)
60AQI (US)Seocho Gu's annual 2026 AQI (US) (60) shows an average percentage change of -3.7% (improved AQI (US)) compared to previous years: 2020 (61), 2021 (64), 2022 (62), 2023 (64), 2024 (61), 2025 (62).
