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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Seohaean ro, Ansan, 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

Seohaean ro, Ansan, Gyeonggi, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
109AQI
Lowest AQI recorded on
9th Aug 2026
19AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 40 of Good air quality, showing improvement over 2024 and 2023 on the same day.

Day & Night AQI Trend: 15th Aug - 16th Aug 2026

Seohaean ro, Ansan, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM15th Aug 2026

7 PM

4 AM16th Aug 2026

Day time
Avg. Highest Time
4PM15th Aug

81AQI

Avg. Lowest Time
11AM15th Aug

44AQI

Night time
Avg. Highest Time
9PM15th Aug

76AQI

Avg. Lowest Time
1AM16th Aug

33AQI

In the last 24 hours,

Seohaean ro's AQI reached its highest point of 81 at 4 PM during the Day, while the lowest point, 33, was recorded at 1 AM during the Night between 15th Aug and 16th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Seohaean ro, Ansan, Gyeonggi, South Korea

JulAug
18th - 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 - 16th16th
Day
Night
18th Jul 2026585 AMAQI
18th Jul 2026696 AMAQI
18th Jul 2026677 AMAQI
18th Jul 2026428 AMAQI
18th Jul 2026129 AMAQI
18th Jul 20261810 AMAQI
18th Jul 20263011 AMAQI
18th Jul 20262212 PMAQI
18th Jul 2026271 PMAQI
18th Jul 2026402 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026464 PMAQI
18th Jul 2026575 PMAQI
18th Jul 2026606 PMAQI
18th Jul 2026537 PMAQI
18th Jul 2026518 PMAQI
18th Jul 2026429 PMAQI
18th Jul 20262910 PMAQI
18th Jul 20265411 PMAQI
19th Jul 20262112 AMAQI
19th Jul 2026231 AMAQI
19th Jul 2026232 AMAQI
19th Jul 2026143 AMAQI
19th Jul 2026194 AMAQI

23°C22/24°C

19th Jul 2026275 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026279 AMAQI
19th Jul 20262510 AMAQI
19th Jul 20261911 AMAQI
19th Jul 20262312 PMAQI
19th Jul 2026381 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026403 PMAQI
19th Jul 2026544 PMAQI
19th Jul 2026365 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026407 PMAQI
19th Jul 2026368 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20261710 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20261712 AMAQI
20th Jul 2026141 AMAQI
20th Jul 2026332 AMAQI
20th Jul 2026313 AMAQI
20th Jul 2026334 AMAQI

23°C23/24°C

20th Jul 2026345 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026387 AMAQI
20th Jul 2026388 AMAQI
20th Jul 2026409 AMAQI
20th Jul 20264410 AMAQI
20th Jul 20264411 AMAQI
20th Jul 20264612 PMAQI
20th Jul 2026401 PMAQI
20th Jul 2026322 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026214 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026218 PMAQI
20th Jul 2026309 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262311 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026443 AMAQI
21st Jul 2026384 AMAQI

24°C23/24°C

21st Jul 2026385 AMAQI
21st Jul 2026276 AMAQI
21st Jul 2026297 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026299 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20262911 AMAQI
21st Jul 2026331 PMAQI
21st Jul 2026292 PMAQI
21st Jul 2026293 PMAQI
21st Jul 2026234 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026258 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026274 AMAQI

24°C24/25°C

22nd Jul 2026295 AMAQI
22nd Jul 2026296 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026488 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20265510 AMAQI
22nd Jul 20265311 AMAQI
22nd Jul 20266812 PMAQI
22nd Jul 2026621 PMAQI
22nd Jul 2026682 PMAQI
22nd Jul 2026783 PMAQI
22nd Jul 2026804 PMAQI
22nd Jul 2026495 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026547 PMAQI
22nd Jul 2026668 PMAQI
22nd Jul 2026679 PMAQI
22nd Jul 20265710 PMAQI
22nd Jul 20266611 PMAQI
23rd Jul 20263312 AMAQI
23rd Jul 2026401 AMAQI
23rd Jul 2026522 AMAQI
23rd Jul 2026763 AMAQI
23rd Jul 2026624 AMAQI

25°C23/26°C

23rd Jul 2026555 AMAQI
23rd Jul 2026576 AMAQI
23rd Jul 2026627 AMAQI
23rd Jul 2026588 AMAQI
23rd Jul 2026629 AMAQI
23rd Jul 20266210 AMAQI
23rd Jul 20266811 AMAQI
23rd Jul 20266712 PMAQI
23rd Jul 2026681 PMAQI
23rd Jul 2026592 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026664 PMAQI
23rd Jul 2026665 PMAQI
23rd Jul 2026666 PMAQI
23rd Jul 2026667 PMAQI
23rd Jul 2026648 PMAQI
23rd Jul 2026709 PMAQI
23rd Jul 20267010 PMAQI
23rd Jul 20266811 PMAQI
24th Jul 20266512 AMAQI
24th Jul 2026621 AMAQI
24th Jul 2026512 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026304 AMAQI

25°C24/26°C

24th Jul 2026345 AMAQI
24th Jul 2026556 AMAQI
24th Jul 2026567 AMAQI
24th Jul 2026538 AMAQI
24th Jul 2026429 AMAQI
24th Jul 20266710 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20263812 PMAQI
24th Jul 2026511 PMAQI
24th Jul 2026472 PMAQI
24th Jul 2026403 PMAQI
24th Jul 2026424 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026487 PMAQI
24th Jul 2026528 PMAQI
24th Jul 2026539 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026271 AMAQI
25th Jul 2026362 AMAQI
25th Jul 2026333 AMAQI
25th Jul 2026334 AMAQI

26°C24/28°C

25th Jul 2026225 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026197 AMAQI
25th Jul 2026388 AMAQI
25th Jul 2026209 AMAQI
25th Jul 20262710 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20263112 PMAQI
25th Jul 2026381 PMAQI
25th Jul 2026362 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026334 PMAQI
25th Jul 2026295 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20262110 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026211 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026234 AMAQI

26°C25/28°C

26th Jul 2026235 AMAQI
26th Jul 2026276 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262110 AMAQI
26th Jul 20262911 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026212 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026314 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026428 PMAQI
26th Jul 2026329 PMAQI
26th Jul 20263010 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20262912 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026313 AMAQI
27th Jul 2026294 AMAQI

26°C24/28°C

27th Jul 2026295 AMAQI
27th Jul 2026296 AMAQI
27th Jul 2026387 AMAQI
27th Jul 2026388 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20263111 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026406 PMAQI
27th Jul 2026607 PMAQI
27th Jul 2026468 PMAQI
27th Jul 2026389 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20263312 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026342 AMAQI
28th Jul 2026423 AMAQI
28th Jul 2026314 AMAQI

26°C25/28°C

28th Jul 2026215 AMAQI
28th Jul 2026346 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026409 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20263811 AMAQI
28th Jul 20264612 PMAQI
28th Jul 2026531 PMAQI
28th Jul 2026512 PMAQI
28th Jul 2026593 PMAQI
28th Jul 2026574 PMAQI
28th Jul 2026645 PMAQI
28th Jul 2026626 PMAQI
28th Jul 2026607 PMAQI
28th Jul 2026628 PMAQI
28th Jul 2026589 PMAQI
28th Jul 20264910 PMAQI
28th Jul 20264411 PMAQI
29th Jul 20264012 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026333 AMAQI
29th Jul 2026314 AMAQI

26°C25/28°C

29th Jul 2026255 AMAQI
29th Jul 2026236 AMAQI
29th Jul 2026217 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026319 AMAQI
29th Jul 20262510 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026211 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026213 PMAQI
29th Jul 2026214 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026217 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026214 AMAQI

26°C25/27°C

30th Jul 2026255 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026212 PMAQI
30th Jul 2026213 PMAQI
30th Jul 2026234 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026237 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026274 AMAQI

26°C24/28°C

31st Jul 2026295 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026338 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20262911 AMAQI
31st Jul 20262912 PMAQI
31st Jul 2026311 PMAQI
31st Jul 2026312 PMAQI
31st Jul 2026343 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026405 PMAQI
31st Jul 2026446 PMAQI
31st Jul 2026567 PMAQI
31st Jul 2026558 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20265710 PMAQI
31st Jul 20266211 PMAQI
1st Aug 20266312 AMAQI
1st Aug 2026701 AMAQI
1st Aug 2026742 AMAQI
1st Aug 2026713 AMAQI
1st Aug 2026804 AMAQI

27°C25/28°C

1st Aug 2026885 AMAQI
1st Aug 2026786 AMAQI
1st Aug 2026957 AMAQI
1st Aug 2026928 AMAQI
1st Aug 2026979 AMAQI
1st Aug 20268110 AMAQI
1st Aug 20268011 AMAQI
1st Aug 20267812 PMAQI
1st Aug 2026721 PMAQI
1st Aug 2026582 PMAQI
1st Aug 2026453 PMAQI
1st Aug 2026564 PMAQI
1st Aug 2026785 PMAQI
1st Aug 2026896 PMAQI
1st Aug 2026767 PMAQI
1st Aug 2026798 PMAQI
1st Aug 2026769 PMAQI
1st Aug 20266210 PMAQI
1st Aug 20265111 PMAQI
2nd Aug 20264812 AMAQI
2nd Aug 2026401 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026213 AMAQI
2nd Aug 2026274 AMAQI

27°C26/28°C

2nd Aug 2026275 AMAQI
2nd Aug 2026366 AMAQI
2nd Aug 2026507 AMAQI
2nd Aug 2026548 AMAQI
2nd Aug 2026529 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20265011 AMAQI
2nd Aug 20265112 PMAQI
2nd Aug 2026381 PMAQI
2nd Aug 2026272 PMAQI
2nd Aug 2026273 PMAQI
2nd Aug 2026234 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026386 PMAQI
2nd Aug 2026257 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026259 PMAQI
2nd Aug 20261810 PMAQI
2nd Aug 20261411 PMAQI
3rd Aug 20261412 AMAQI
3rd Aug 2026301 AMAQI
3rd Aug 2026422 AMAQI
3rd Aug 2026403 AMAQI
3rd Aug 2026214 AMAQI

27°C25/29°C

3rd Aug 2026235 AMAQI
3rd Aug 2026216 AMAQI
3rd Aug 2026217 AMAQI
3rd Aug 2026388 AMAQI
3rd Aug 2026429 AMAQI
3rd Aug 20263610 AMAQI
3rd Aug 20263411 AMAQI
3rd Aug 20264812 PMAQI
3rd Aug 2026641 PMAQI
3rd Aug 2026652 PMAQI
3rd Aug 2026473 PMAQI
3rd Aug 2026284 PMAQI
3rd Aug 2026595 PMAQI
3rd Aug 2026626 PMAQI
3rd Aug 2026577 PMAQI
3rd Aug 2026628 PMAQI
3rd Aug 2026649 PMAQI
3rd Aug 20265810 PMAQI
3rd Aug 20265711 PMAQI
4th Aug 20265612 AMAQI
4th Aug 2026551 AMAQI
4th Aug 2026552 AMAQI
4th Aug 2026533 AMAQI
4th Aug 2026524 AMAQI

28°C26/30°C

4th Aug 2026535 AMAQI
4th Aug 2026546 AMAQI
4th Aug 2026547 AMAQI
4th Aug 2026588 AMAQI
4th Aug 2026589 AMAQI
4th Aug 20266210 AMAQI
4th Aug 20266811 AMAQI
4th Aug 20267112 PMAQI
4th Aug 2026801 PMAQI
4th Aug 2026922 PMAQI
4th Aug 2026843 PMAQI
4th Aug 2026944 PMAQI
4th Aug 2026965 PMAQI
4th Aug 2026906 PMAQI
4th Aug 2026767 PMAQI
4th Aug 20261128 PMAQI
4th Aug 20261099 PMAQI
4th Aug 202610010 PMAQI
4th Aug 202610411 PMAQI
5th Aug 20269012 AMAQI
5th Aug 2026661 AMAQI
5th Aug 2026362 AMAQI
5th Aug 2026233 AMAQI
5th Aug 2026174 AMAQI

29°C27/31°C

5th Aug 2026335 AMAQI
5th Aug 2026206 AMAQI
5th Aug 2026407 AMAQI
5th Aug 2026728 AMAQI
5th Aug 2026549 AMAQI
5th Aug 20263810 AMAQI
5th Aug 20264011 AMAQI
5th Aug 20264212 PMAQI
5th Aug 2026291 PMAQI
5th Aug 2026622 PMAQI
5th Aug 2026403 PMAQI
5th Aug 2026644 PMAQI
5th Aug 2026565 PMAQI
5th Aug 2026576 PMAQI
5th Aug 2026427 PMAQI
5th Aug 2026518 PMAQI
5th Aug 2026629 PMAQI
5th Aug 20267010 PMAQI
5th Aug 20265311 PMAQI
6th Aug 20264912 AMAQI
6th Aug 2026461 AMAQI
6th Aug 2026602 AMAQI
6th Aug 2026663 AMAQI
6th Aug 2026714 AMAQI

28°C26/31°C

6th Aug 2026695 AMAQI
6th Aug 2026976 AMAQI
6th Aug 2026947 AMAQI
6th Aug 2026948 AMAQI
6th Aug 2026559 AMAQI
6th Aug 20266910 AMAQI
6th Aug 20266211 AMAQI
6th Aug 20265912 PMAQI
6th Aug 2026481 PMAQI
6th Aug 2026492 PMAQI
6th Aug 2026243 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026285 PMAQI
6th Aug 2026336 PMAQI
6th Aug 2026467 PMAQI
6th Aug 2026638 PMAQI
6th Aug 2026669 PMAQI
6th Aug 20266810 PMAQI
6th Aug 20268011 PMAQI
7th Aug 20268812 AMAQI
7th Aug 2026971 AMAQI
7th Aug 20261002 AMAQI
7th Aug 20261053 AMAQI
7th Aug 2026874 AMAQI

29°C27/31°C

7th Aug 2026945 AMAQI
7th Aug 2026966 AMAQI
7th Aug 20261107 AMAQI
7th Aug 20261288 AMAQI
7th Aug 20261289 AMAQI
7th Aug 202611910 AMAQI
7th Aug 202611911 AMAQI
7th Aug 202611812 PMAQI
7th Aug 20261011 PMAQI
7th Aug 2026572 PMAQI
7th Aug 2026553 PMAQI
7th Aug 2026644 PMAQI
7th Aug 2026645 PMAQI
7th Aug 2026746 PMAQI
7th Aug 2026677 PMAQI
7th Aug 2026558 PMAQI
7th Aug 2026549 PMAQI
7th Aug 20267410 PMAQI
7th Aug 20267511 PMAQI
8th Aug 20268112 AMAQI
8th Aug 2026731 AMAQI
8th Aug 2026662 AMAQI
8th Aug 2026493 AMAQI
8th Aug 2026794 AMAQI

30°C28/32°C

8th Aug 2026745 AMAQI
8th Aug 2026596 AMAQI
8th Aug 2026317 AMAQI
8th Aug 2026388 AMAQI
8th Aug 2026219 AMAQI
8th Aug 20262110 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262512 PMAQI
8th Aug 2026251 PMAQI
8th Aug 2026232 PMAQI
8th Aug 2026193 PMAQI
8th Aug 2026214 PMAQI
8th Aug 2026195 PMAQI
8th Aug 2026176 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20264810 PMAQI
8th Aug 20263611 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026191 AMAQI
9th Aug 2026192 AMAQI
9th Aug 2026183 AMAQI
9th Aug 2026234 AMAQI

29°C25/32°C

9th Aug 2026295 AMAQI
9th Aug 2026316 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026168 AMAQI
9th Aug 2026129 AMAQI
9th Aug 20261710 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026172 PMAQI
9th Aug 2026173 PMAQI
9th Aug 2026104 PMAQI
9th Aug 202685 PMAQI
9th Aug 202686 PMAQI
9th Aug 2026107 PMAQI
9th Aug 2026178 PMAQI
9th Aug 2026239 PMAQI
9th Aug 20262510 PMAQI
9th Aug 20262111 PMAQI
10th Aug 20261212 AMAQI
10th Aug 2026121 AMAQI
10th Aug 2026172 AMAQI
10th Aug 2026213 AMAQI
10th Aug 2026234 AMAQI

26°C23/31°C

10th Aug 2026215 AMAQI
10th Aug 2026216 AMAQI
10th Aug 2026197 AMAQI
10th Aug 2026348 AMAQI
10th Aug 2026489 AMAQI
10th Aug 20265010 AMAQI
10th Aug 20264811 AMAQI
10th Aug 20262112 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026312 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026214 PMAQI
10th Aug 2026255 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026311 AMAQI
11th Aug 2026272 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026214 AMAQI

27°C24/29°C

11th Aug 2026255 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026217 AMAQI
11th Aug 2026238 AMAQI
11th Aug 2026279 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026292 PMAQI
11th Aug 2026333 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026346 PMAQI
11th Aug 2026347 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026389 PMAQI
11th Aug 20263810 PMAQI
11th Aug 20263811 PMAQI
12th Aug 20265712 AMAQI
12th Aug 2026581 AMAQI
12th Aug 2026362 AMAQI
12th Aug 2026273 AMAQI
12th Aug 2026294 AMAQI

27°C25/30°C

12th Aug 2026275 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262311 AMAQI
12th Aug 20262312 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026512 PMAQI
12th Aug 2026513 PMAQI
12th Aug 2026564 PMAQI
12th Aug 2026425 PMAQI
12th Aug 2026536 PMAQI
12th Aug 2026647 PMAQI
12th Aug 2026568 PMAQI
12th Aug 2026369 PMAQI
12th Aug 20263610 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20263412 AMAQI
13th Aug 2026401 AMAQI
13th Aug 2026382 AMAQI
13th Aug 2026233 AMAQI
13th Aug 2026254 AMAQI

26°C22/30°C

13th Aug 2026295 AMAQI
13th Aug 2026316 AMAQI
13th Aug 2026337 AMAQI
13th Aug 2026248 AMAQI
13th Aug 2026429 AMAQI
13th Aug 20263610 AMAQI
13th Aug 20263211 AMAQI
13th Aug 20263012 PMAQI
13th Aug 2026281 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026284 PMAQI
13th Aug 2026365 PMAQI
13th Aug 2026336 PMAQI
13th Aug 2026327 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026279 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262312 AMAQI
14th Aug 2026441 AMAQI
14th Aug 2026382 AMAQI
14th Aug 2026253 AMAQI
14th Aug 2026214 AMAQI

26°C23/30°C

14th Aug 2026235 AMAQI
14th Aug 2026296 AMAQI
14th Aug 2026277 AMAQI
14th Aug 2026218 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20263210 AMAQI
14th Aug 20263311 AMAQI
14th Aug 20262512 PMAQI
14th Aug 2026331 PMAQI
14th Aug 2026362 PMAQI
14th Aug 2026423 PMAQI
14th Aug 2026424 PMAQI
14th Aug 2026465 PMAQI
14th Aug 2026426 PMAQI
14th Aug 2026337 PMAQI
14th Aug 2026318 PMAQI
14th Aug 2026299 PMAQI
14th Aug 20263610 PMAQI
14th Aug 20263811 PMAQI
15th Aug 20264412 AMAQI
15th Aug 2026531 AMAQI
15th Aug 2026512 AMAQI
15th Aug 2026523 AMAQI
15th Aug 2026544 AMAQI

26°C25/28°C

15th Aug 2026505 AMAQI
15th Aug 2026506 AMAQI
15th Aug 2026467 AMAQI
15th Aug 2026508 AMAQI
15th Aug 2026449 AMAQI
15th Aug 20264410 AMAQI
15th Aug 20264411 AMAQI
15th Aug 20265412 PMAQI
15th Aug 2026761 PMAQI
15th Aug 2026642 PMAQI
15th Aug 2026793 PMAQI
15th Aug 2026814 PMAQI
15th Aug 2026525 PMAQI
15th Aug 2026586 PMAQI
15th Aug 2026527 PMAQI
15th Aug 2026668 PMAQI
15th Aug 2026769 PMAQI
15th Aug 20266710 PMAQI
15th Aug 20265411 PMAQI
16th Aug 20263612 AMAQI
16th Aug 2026331 AMAQI
16th Aug 2026402 AMAQI
16th Aug 2026703 AMAQI
16th Aug 2026644 AMAQI

26°C25/26°C

16th Aug 2026255 AMAQI
5 AM
16th Aug 2026256 AMAQI
16th Aug 2026367 AMAQI
16th Aug 2026318 AMAQI
16th Aug 2026449 AMAQI
16th Aug 20263810 AMAQI
16th Aug 20263111 AMAQI
16th Aug 20262912 PMAQI
12 PM
16th Aug 2026401 PMAQI
16th Aug 2026362 PMAQI
16th Aug 2026293 PMAQI
16th Aug 2026314 PMAQI
16th Aug 2026465 PMAQI
16th Aug 2026496 PMAQI
16th Aug 2026487 PMAQI
7 PM
16th Aug 2026508 PMAQI
16th Aug 2026299 PMAQI
16th Aug 20264410 PMAQI
16th Aug 20265411 PMAQI
12 AM
4 AM

25°C23/27°C

Day time
Avg. Highest Time
6 PM - 7 PM

45AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 6 AM

39AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 PM to 7 PM (Avg. 45), while the lowest AQI was between 5 AM to 6 AM (Avg. 39).
Night time
Avg. Highest Time
8 PM - 9 PM

45AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
3 AM - 4 AM

41AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 9 PM (Avg. 45), while the lowest AQI was between 3 AM to 4 AM (Avg. 41).

2026 Days Vs Air Quality

Seohaean ro, Ansan, Gyeonggi, South Korea

2026

41%

93

46%

104

12%

28

Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)

Good
93 Days
Moderate
104 Days
Poor
28 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 41%

Health Risk Level:

Significant

In 2026, 41% of 228 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Seohaean ro, Ansan, 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
26AQI (US)
2nd January 2026
34AQI (US)
3rd January 2026
56AQI (US)
4th January 2026
82AQI (US)
5th January 2026
50AQI (US)
6th January 2026
56AQI (US)
7th January 2026
63AQI (US)
8th January 2026
23AQI (US)
9th January 2026
50AQI (US)
10th January 2026
64AQI (US)
11th January 2026
25AQI (US)
12th January 2026
42AQI (US)
13th January 2026
44AQI (US)
14th January 2026
35AQI (US)
15th January 2026
96AQI (US)
16th January 2026
138AQI (US)
17th January 2026
113AQI (US)
18th January 2026
81AQI (US)
19th January 2026
61AQI (US)
20th January 2026
28AQI (US)
21st January 2026
31AQI (US)
22nd January 2026
31AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
47AQI (US)
25th January 2026
21AQI (US)
26th January 2026
50AQI (US)
27th January 2026
49AQI (US)
28th January 2026
30AQI (US)
29th January 2026
43AQI (US)
30th January 2026
59AQI (US)
31st January 2026
54AQI (US)
1st February 2026
61AQI (US)
2nd February 2026
70AQI (US)
3rd February 2026
49AQI (US)
4th February 2026
117AQI (US)
5th February 2026
125AQI (US)
6th February 2026
66AQI (US)
7th February 2026
34AQI (US)
8th February 2026
42AQI (US)
9th February 2026
43AQI (US)
10th February 2026
96AQI (US)
11th February 2026
112AQI (US)
12th February 2026
102AQI (US)
13th February 2026
139AQI (US)
14th February 2026
139AQI (US)
15th February 2026
106AQI (US)
16th February 2026
42AQI (US)
17th February 2026
37AQI (US)
18th February 2026
57AQI (US)
19th February 2026
43AQI (US)
20th February 2026
90AQI (US)
21st February 2026
98AQI (US)
22nd February 2026
56AQI (US)
23rd February 2026
26AQI (US)
24th February 2026
37AQI (US)
25th February 2026
71AQI (US)
26th February 2026
50AQI (US)
27th February 2026
31AQI (US)
28th February 2026
41AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
15AQI (US)
3rd March 2026
36AQI (US)
4th March 2026
83AQI (US)
5th March 2026
109AQI (US)
6th March 2026
81AQI (US)
7th March 2026
44AQI (US)
8th March 2026
59AQI (US)
9th March 2026
102AQI (US)
10th March 2026
81AQI (US)
11th March 2026
100AQI (US)
12th March 2026
111AQI (US)
13th March 2026
53AQI (US)
14th March 2026
66AQI (US)
15th March 2026
94AQI (US)
16th March 2026
138AQI (US)
17th March 2026
150AQI (US)
18th March 2026
117AQI (US)
19th March 2026
47AQI (US)
20th March 2026
62AQI (US)
21st March 2026
105AQI (US)
22nd March 2026
107AQI (US)
23rd March 2026
117AQI (US)
24th March 2026
124AQI (US)
25th March 2026
103AQI (US)
26th March 2026
97AQI (US)
27th March 2026
117AQI (US)
28th March 2026
113AQI (US)
29th March 2026
120AQI (US)
30th March 2026
103AQI (US)
31st March 2026
80AQI (US)
1st April 2026
81AQI (US)
2nd April 2026
95AQI (US)
3rd April 2026
128AQI (US)
4th April 2026
69AQI (US)
5th April 2026
87AQI (US)
6th April 2026
66AQI (US)
7th April 2026
31AQI (US)
8th April 2026
52AQI (US)
9th April 2026
51AQI (US)
10th April 2026
45AQI (US)
11th April 2026
90AQI (US)
12th April 2026
96AQI (US)
13th April 2026
85AQI (US)
14th April 2026
117AQI (US)
15th April 2026
138AQI (US)
16th April 2026
66AQI (US)
17th April 2026
18th April 2026
64AQI (US)
19th April 2026
82AQI (US)
20th April 2026
67AQI (US)
21st April 2026
72AQI (US)
22nd April 2026
23rd April 2026
48AQI (US)
24th April 2026
45AQI (US)
25th April 2026
71AQI (US)
26th April 2026
73AQI (US)
27th April 2026
57AQI (US)
28th April 2026
47AQI (US)
29th April 2026
53AQI (US)
30th April 2026
75AQI (US)
1st May 2026
69AQI (US)
2nd May 2026
129AQI (US)
3rd May 2026
59AQI (US)
4th May 2026
33AQI (US)
5th May 2026
53AQI (US)
6th May 2026
40AQI (US)
7th May 2026
45AQI (US)
8th May 2026
45AQI (US)
9th May 2026
10th May 2026
44AQI (US)
11th May 2026
39AQI (US)
12th May 2026
38AQI (US)
13th May 2026
50AQI (US)
14th May 2026
67AQI (US)
15th May 2026
94AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
64AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
75AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
70AQI (US)
25th May 2026
66AQI (US)
26th May 2026
50AQI (US)
27th May 2026
52AQI (US)
28th May 2026
50AQI (US)
29th May 2026
72AQI (US)
30th May 2026
87AQI (US)
31st May 2026
76AQI (US)
1st June 2026
82AQI (US)
2nd June 2026
78AQI (US)
3rd June 2026
83AQI (US)
4th June 2026
83AQI (US)
5th June 2026
34AQI (US)
6th June 2026
52AQI (US)
7th June 2026
35AQI (US)
8th June 2026
52AQI (US)
9th June 2026
39AQI (US)
10th June 2026
73AQI (US)
11th June 2026
76AQI (US)
12th June 2026
73AQI (US)
13th June 2026
75AQI (US)
14th June 2026
64AQI (US)
15th June 2026
74AQI (US)
16th June 2026
91AQI (US)
17th June 2026
90AQI (US)
18th June 2026
63AQI (US)
19th June 2026
81AQI (US)
20th June 2026
32AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
51AQI (US)
23rd June 2026
54AQI (US)
24th June 2026
30AQI (US)
25th June 2026
30AQI (US)
26th June 2026
38AQI (US)
27th June 2026
71AQI (US)
28th June 2026
66AQI (US)
29th June 2026
59AQI (US)
30th June 2026
48AQI (US)
1st July 2026
69AQI (US)
2nd July 2026
64AQI (US)
3rd July 2026
38AQI (US)
4th July 2026
57AQI (US)
5th July 2026
50AQI (US)
6th July 2026
57AQI (US)
7th July 2026
49AQI (US)
8th July 2026
31AQI (US)
9th July 2026
32AQI (US)
10th July 2026
30AQI (US)
11th July 2026
30AQI (US)
12th July 2026
38AQI (US)
13th July 2026
47AQI (US)
14th July 2026
35AQI (US)
15th July 2026
44AQI (US)
16th July 2026
63AQI (US)
17th July 2026
78AQI (US)
18th July 2026
58AQI (US)
19th July 2026
29AQI (US)
20th July 2026
30AQI (US)
21st July 2026
33AQI (US)
22nd July 2026
50AQI (US)
23rd July 2026
61AQI (US)
24th July 2026
47AQI (US)
25th July 2026
29AQI (US)
26th July 2026
27AQI (US)
27th July 2026
34AQI (US)
28th July 2026
44AQI (US)
29th July 2026
25AQI (US)
30th July 2026
24AQI (US)
31st July 2026
36AQI (US)
1st August 2026
75AQI (US)
2nd August 2026
35AQI (US)
3rd August 2026
43AQI (US)
4th August 2026
74AQI (US)
5th August 2026
48AQI (US)
6th August 2026
59AQI (US)
7th August 2026
89AQI (US)
8th August 2026
38AQI (US)
9th August 2026
19AQI (US)
10th August 2026
26AQI (US)
11th August 2026
28AQI (US)
12th August 2026
38AQI (US)
13th August 2026
30AQI (US)
14th August 2026
32AQI (US)
15th August 2026
57AQI (US)
16th August 2026
40AQI (US)
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

53AQI (US)

71AQI (US)

89AQI (US)

73AQI (US)

62AQI (US)

60AQI (US)

43AQI (US)

46AQI (US)

No. of days

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

202663AQI (US)

18
11
2
12
9
7
5
11
15
5
20
3
10
19
1
9
21
23
8
11
5
93
104
28

Highest AQI (US) recorded in

March

89AQI (US)

Lowest AQI (US) recorded in

July

43AQI (US)

202563AQI (US)

2
23
6
7
20
1
4
15
12
3
27
4
27
30
9
22
20
11
21
9
17
14
7
19
4
10
19
2
104
236
25

Highest AQI (US) recorded in

March

87AQI (US)

Lowest AQI (US) recorded in

September

45AQI (US)

202466AQI (US)

12
11
7
9
17
2
1
5
21
3
2
2
25
3
6
24
1
1
28
1
18
11
2
6
24
1
15
15
12
16
3
7
21
2
7
24
100
237
25
3

Highest AQI (US) recorded in

April

79AQI (US)

Lowest AQI (US) recorded in

September

51AQI (US)

202371AQI (US)

8
15
5
2
3
17
5
3
1
15
14
1
3
21
4
2
4
20
7
6
23
1
8
22
1
12
19
13
16
1
11
18
2
13
14
2
11
15
4
1
93
215
46
9

Highest AQI (US) recorded in

March

99AQI (US)

Lowest AQI (US) recorded in

September

53AQI (US)

202267AQI (US)

10
11
6
2
8
7
3
3
7
16
8
8
15
7
11
18
2
19
11
4
19
1
20
6
1
1
17
9
5
6
14
9
1
9
20
2
120
146
43
7

Highest AQI (US) recorded in

November

84AQI (US)

Lowest AQI (US) recorded in

August

36AQI (US)

202166AQI (US)

3
10
17
2
2
6
20
4
8
20
3
16
15
24
6
11
19
1
8
15
5
2
9
14
7
1
92
129
22
3
2

Highest AQI (US) recorded in

May

83AQI (US)

Lowest AQI (US) recorded in

September

39AQI (US)

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
71AQI (US)
Least Polluted Year Recorded
2025(Avg.)
63AQI (US)

Seohaean ro's annual 2026 AQI (US) (63) shows an average percentage change of -5.2% (improved AQI (US)) compared to previous years: 2021 (66), 2022 (67), 2023 (71), 2024 (66), 2025 (63).