Wongok, 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
Wongok, Ansan, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
14th Aug 2023
99AQILowest AQI recorded on
2nd Aug 2022
18AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Wongok, Ansan, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM3rd Aug 2025
7 PM
4 AM4th Aug 2025
Day time
Avg. Highest Time
11AM3rd Aug
72AQI
Avg. Lowest Time
6AM3rd Aug
58AQI
Night time
Avg. Highest Time
9PM3rd Aug
61AQI
Avg. Lowest Time
11PM3rd Aug
52AQI
In the last 24 hours,
Wongok's AQI reached its highest point of 72 at 11 AM during the Day, while the lowest point, 52, was recorded at 11 PM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Wongok, Ansan, Gyeonggi, South Korea
JulAug
05th - 06th06th - 07th07th - 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
Day
Night
5th Jul 2025545 AMAQI
5th Jul 2025546 AMAQI
5th Jul 2025547 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025549 AMAQI
5th Jul 20255310 AMAQI
5th Jul 20255411 AMAQI
5th Jul 20255312 PMAQI
5th Jul 2025511 PMAQI
5th Jul 2025582 PMAQI
5th Jul 2025563 PMAQI
5th Jul 2025564 PMAQI
5th Jul 2025575 PMAQI
5th Jul 2025566 PMAQI
5th Jul 2025567 PMAQI
5th Jul 2025538 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255310 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255212 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025533 AMAQI
6th Jul 2025534 AMAQI
27°C24/32°C
6th Jul 2025525 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025579 AMAQI
6th Jul 20255810 AMAQI
6th Jul 20256011 AMAQI
6th Jul 20256112 PMAQI
6th Jul 2025641 PMAQI
6th Jul 2025612 PMAQI
6th Jul 2025613 PMAQI
6th Jul 2025594 PMAQI
6th Jul 2025575 PMAQI
6th Jul 2025616 PMAQI
6th Jul 2025587 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025549 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255212 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025534 AMAQI
28°C24/32°C
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025689 AMAQI
7th Jul 20257610 AMAQI
7th Jul 20258511 AMAQI
7th Jul 202510012 PMAQI
7th Jul 20251001 PMAQI
7th Jul 20251032 PMAQI
7th Jul 20251063 PMAQI
7th Jul 20251024 PMAQI
7th Jul 20251085 PMAQI
7th Jul 20251026 PMAQI
7th Jul 2025847 PMAQI
7th Jul 2025758 PMAQI
7th Jul 2025639 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256411 PMAQI
8th Jul 20256612 AMAQI
8th Jul 2025671 AMAQI
8th Jul 2025602 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025564 AMAQI
29°C25/33°C
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025588 AMAQI
8th Jul 2025929 AMAQI
8th Jul 202511410 AMAQI
8th Jul 202510011 AMAQI
8th Jul 20259612 PMAQI
8th Jul 2025891 PMAQI
8th Jul 2025892 PMAQI
8th Jul 2025873 PMAQI
8th Jul 2025884 PMAQI
8th Jul 2025925 PMAQI
8th Jul 2025926 PMAQI
8th Jul 2025937 PMAQI
8th Jul 2025868 PMAQI
8th Jul 2025659 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255812 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI
9th Jul 2025614 AMAQI
31°C26/37°C
9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025648 AMAQI
9th Jul 2025639 AMAQI
9th Jul 20256310 AMAQI
9th Jul 20256211 AMAQI
9th Jul 20255912 PMAQI
9th Jul 2025671 PMAQI
9th Jul 2025662 PMAQI
9th Jul 2025623 PMAQI
9th Jul 2025604 PMAQI
9th Jul 2025625 PMAQI
9th Jul 2025586 PMAQI
9th Jul 2025617 PMAQI
9th Jul 2025698 PMAQI
9th Jul 2025649 PMAQI
9th Jul 20256610 PMAQI
9th Jul 20256711 PMAQI
10th Jul 20256912 AMAQI
10th Jul 2025701 AMAQI
10th Jul 2025682 AMAQI
10th Jul 2025603 AMAQI
10th Jul 2025604 AMAQI
31°C26/37°C
10th Jul 2025605 AMAQI
10th Jul 2025616 AMAQI
10th Jul 2025617 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025529 AMAQI
10th Jul 20255110 AMAQI
10th Jul 20254811 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025481 PMAQI
10th Jul 2025422 PMAQI
10th Jul 2025443 PMAQI
10th Jul 2025434 PMAQI
10th Jul 2025425 PMAQI
10th Jul 2025446 PMAQI
10th Jul 2025507 PMAQI
10th Jul 2025538 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025594 AMAQI
31°C27/36°C
11th Jul 2025585 AMAQI
11th Jul 2025616 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025459 AMAQI
11th Jul 20254010 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20254212 PMAQI
11th Jul 2025491 PMAQI
11th Jul 2025412 PMAQI
11th Jul 2025433 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025405 PMAQI
11th Jul 2025426 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025468 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255311 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025583 AMAQI
12th Jul 2025574 AMAQI
30°C25/35°C
12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025399 AMAQI
12th Jul 20253410 AMAQI
12th Jul 20253111 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025401 PMAQI
12th Jul 2025382 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025588 PMAQI
12th Jul 2025589 PMAQI
12th Jul 20255910 PMAQI
12th Jul 20255911 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025571 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025563 AMAQI
13th Jul 2025564 AMAQI
29°C24/34°C
13th Jul 2025545 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025639 AMAQI
13th Jul 20256810 AMAQI
13th Jul 20257011 AMAQI
13th Jul 20257412 PMAQI
13th Jul 2025751 PMAQI
13th Jul 2025752 PMAQI
13th Jul 2025743 PMAQI
13th Jul 2025784 PMAQI
13th Jul 2025805 PMAQI
13th Jul 2025806 PMAQI
13th Jul 2025767 PMAQI
13th Jul 2025728 PMAQI
13th Jul 2025649 PMAQI
13th Jul 20256110 PMAQI
13th Jul 20256211 PMAQI
14th Jul 20256012 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI
26°C23/30°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025789 AMAQI
14th Jul 20258510 AMAQI
14th Jul 20258411 AMAQI
14th Jul 20258712 PMAQI
14th Jul 2025811 PMAQI
14th Jul 2025842 PMAQI
14th Jul 2025793 PMAQI
14th Jul 2025634 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025396 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
15th Jul 2025594 AMAQI
23°C19/29°C
15th Jul 2025615 AMAQI
15th Jul 2025616 AMAQI
15th Jul 2025617 AMAQI
15th Jul 2025618 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025351 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025393 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025356 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255011 PMAQI
16th Jul 20255112 AMAQI
16th Jul 2025571 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI
22°C20/24°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025649 AMAQI
16th Jul 20256410 AMAQI
16th Jul 20256511 AMAQI
16th Jul 20256312 PMAQI
16th Jul 2025651 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025573 PMAQI
16th Jul 2025574 PMAQI
16th Jul 2025625 PMAQI
16th Jul 2025566 PMAQI
16th Jul 2025427 PMAQI
16th Jul 2025428 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20254910 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
22°C21/25°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025567 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20251511 AMAQI
17th Jul 20251412 PMAQI
17th Jul 2025281 PMAQI
17th Jul 2025222 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025245 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254711 PMAQI
18th Jul 20254612 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
23°C21/26°C
18th Jul 2025525 AMAQI
18th Jul 2025536 AMAQI
18th Jul 2025537 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025349 AMAQI
18th Jul 20253410 AMAQI
18th Jul 20253111 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025384 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025457 PMAQI
18th Jul 2025448 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255210 PMAQI
18th Jul 20255211 PMAQI
19th Jul 20255312 AMAQI
19th Jul 2025531 AMAQI
19th Jul 2025532 AMAQI
19th Jul 2025533 AMAQI
19th Jul 2025524 AMAQI
23°C22/25°C
19th Jul 2025525 AMAQI
19th Jul 2025516 AMAQI
19th Jul 2025517 AMAQI
19th Jul 2025518 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251211 AMAQI
19th Jul 20251312 PMAQI
19th Jul 2025171 PMAQI
19th Jul 2025162 PMAQI
19th Jul 2025173 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025225 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025469 PMAQI
19th Jul 20254510 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254312 AMAQI
20th Jul 2025501 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025504 AMAQI
25°C22/28°C
20th Jul 2025475 AMAQI
20th Jul 2025476 AMAQI
20th Jul 2025477 AMAQI
20th Jul 2025478 AMAQI
20th Jul 2025359 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20253111 AMAQI
20th Jul 20253412 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025325 PMAQI
20th Jul 2025366 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254810 PMAQI
20th Jul 20255011 PMAQI
21st Jul 20255212 AMAQI
21st Jul 2025501 AMAQI
21st Jul 2025492 AMAQI
21st Jul 2025493 AMAQI
21st Jul 2025484 AMAQI
27°C23/32°C
21st Jul 2025475 AMAQI
21st Jul 2025476 AMAQI
21st Jul 2025467 AMAQI
21st Jul 2025468 AMAQI
21st Jul 2025529 AMAQI
21st Jul 20255310 AMAQI
21st Jul 20254511 AMAQI
21st Jul 20254712 PMAQI
21st Jul 2025421 PMAQI
21st Jul 2025422 PMAQI
21st Jul 2025463 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025326 PMAQI
21st Jul 2025277 PMAQI
21st Jul 2025318 PMAQI
21st Jul 2025389 PMAQI
21st Jul 20253910 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025461 AMAQI
22nd Jul 2025482 AMAQI
22nd Jul 2025493 AMAQI
22nd Jul 2025494 AMAQI
28°C25/31°C
22nd Jul 2025485 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025488 AMAQI
22nd Jul 2025379 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025511 PMAQI
22nd Jul 2025502 PMAQI
22nd Jul 2025583 PMAQI
22nd Jul 2025534 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025366 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20254110 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025471 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025474 AMAQI
28°C25/32°C
23rd Jul 2025485 AMAQI
23rd Jul 2025476 AMAQI
23rd Jul 2025477 AMAQI
23rd Jul 2025468 AMAQI
23rd Jul 2025379 AMAQI
23rd Jul 20253710 AMAQI
23rd Jul 20254611 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025421 PMAQI
23rd Jul 2025472 PMAQI
23rd Jul 2025443 PMAQI
23rd Jul 2025484 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025596 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025508 PMAQI
23rd Jul 2025489 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254211 PMAQI
24th Jul 20254012 AMAQI
24th Jul 2025461 AMAQI
24th Jul 2025472 AMAQI
24th Jul 2025463 AMAQI
24th Jul 2025464 AMAQI
28°C25/32°C
24th Jul 2025475 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20253611 AMAQI
24th Jul 20253912 PMAQI
24th Jul 2025351 PMAQI
24th Jul 2025442 PMAQI
24th Jul 2025633 PMAQI
24th Jul 2025724 PMAQI
24th Jul 2025745 PMAQI
24th Jul 2025706 PMAQI
24th Jul 2025727 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025579 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255711 PMAQI
25th Jul 20255812 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025464 AMAQI
28°C25/32°C
25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025629 AMAQI
25th Jul 20256910 AMAQI
25th Jul 20257311 AMAQI
25th Jul 20257612 PMAQI
25th Jul 2025731 PMAQI
25th Jul 2025742 PMAQI
25th Jul 2025763 PMAQI
25th Jul 2025784 PMAQI
25th Jul 2025825 PMAQI
25th Jul 2025846 PMAQI
25th Jul 2025817 PMAQI
25th Jul 2025718 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20255810 PMAQI
25th Jul 20256111 PMAQI
26th Jul 20256012 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025513 AMAQI
26th Jul 2025534 AMAQI
30°C26/35°C
26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20254811 AMAQI
26th Jul 20254612 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025564 PMAQI
26th Jul 2025565 PMAQI
26th Jul 2025606 PMAQI
26th Jul 2025737 PMAQI
26th Jul 2025728 PMAQI
26th Jul 2025659 PMAQI
26th Jul 20256410 PMAQI
26th Jul 20256811 PMAQI
27th Jul 20256812 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025544 AMAQI
31°C28/35°C
27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025519 AMAQI
27th Jul 20254610 AMAQI
27th Jul 20253511 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025371 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025363 PMAQI
27th Jul 2025374 PMAQI
27th Jul 2025455 PMAQI
27th Jul 2025546 PMAQI
27th Jul 2025567 PMAQI
27th Jul 2025648 PMAQI
27th Jul 2025609 PMAQI
27th Jul 20256110 PMAQI
27th Jul 20256111 PMAQI
28th Jul 20256312 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025562 AMAQI
28th Jul 2025563 AMAQI
28th Jul 2025554 AMAQI
31°C28/35°C
28th Jul 2025545 AMAQI
28th Jul 2025536 AMAQI
28th Jul 2025537 AMAQI
28th Jul 2025538 AMAQI
28th Jul 2025889 AMAQI
28th Jul 20259710 AMAQI
28th Jul 20259511 AMAQI
28th Jul 20259012 PMAQI
28th Jul 2025731 PMAQI
28th Jul 2025702 PMAQI
28th Jul 2025623 PMAQI
28th Jul 2025704 PMAQI
28th Jul 2025785 PMAQI
28th Jul 2025846 PMAQI
28th Jul 2025857 PMAQI
28th Jul 2025758 PMAQI
28th Jul 2025659 PMAQI
28th Jul 20256210 PMAQI
28th Jul 20256211 PMAQI
29th Jul 20256212 AMAQI
29th Jul 2025581 AMAQI
29th Jul 2025562 AMAQI
29th Jul 2025563 AMAQI
29th Jul 2025584 AMAQI
30°C28/35°C
29th Jul 2025615 AMAQI
29th Jul 2025616 AMAQI
29th Jul 2025627 AMAQI
29th Jul 2025618 AMAQI
29th Jul 2025679 AMAQI
29th Jul 20257910 AMAQI
29th Jul 20258411 AMAQI
29th Jul 20259412 PMAQI
29th Jul 2025881 PMAQI
29th Jul 2025902 PMAQI
29th Jul 2025873 PMAQI
29th Jul 2025924 PMAQI
29th Jul 2025815 PMAQI
29th Jul 2025796 PMAQI
29th Jul 2025787 PMAQI
29th Jul 2025728 PMAQI
29th Jul 2025639 PMAQI
29th Jul 20256310 PMAQI
29th Jul 20256411 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025591 AMAQI
30th Jul 2025582 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025614 AMAQI
31°C27/36°C
30th Jul 2025635 AMAQI
30th Jul 2025636 AMAQI
30th Jul 2025637 AMAQI
30th Jul 2025638 AMAQI
30th Jul 2025829 AMAQI
30th Jul 20258810 AMAQI
30th Jul 20258711 AMAQI
30th Jul 20258612 PMAQI
30th Jul 2025841 PMAQI
30th Jul 2025822 PMAQI
30th Jul 2025823 PMAQI
30th Jul 2025864 PMAQI
30th Jul 20251005 PMAQI
30th Jul 20251016 PMAQI
30th Jul 2025987 PMAQI
30th Jul 2025818 PMAQI
30th Jul 2025689 PMAQI
30th Jul 20256810 PMAQI
30th Jul 20256911 PMAQI
31st Jul 20256812 AMAQI
31st Jul 2025601 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025603 AMAQI
31st Jul 2025614 AMAQI
31°C28/36°C
31st Jul 2025615 AMAQI
31st Jul 2025616 AMAQI
31st Jul 2025617 AMAQI
31st Jul 2025618 AMAQI
31st Jul 2025619 AMAQI
31st Jul 20256110 AMAQI
31st Jul 20256211 AMAQI
31st Jul 20256812 PMAQI
31st Jul 2025701 PMAQI
31st Jul 2025772 PMAQI
31st Jul 2025793 PMAQI
31st Jul 2025724 PMAQI
31st Jul 2025715 PMAQI
31st Jul 2025746 PMAQI
31st Jul 2025797 PMAQI
31st Jul 2025728 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255812 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025584 AMAQI
30°C27/34°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025577 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256710 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025622 PMAQI
1st Aug 2025683 PMAQI
1st Aug 2025634 PMAQI
1st Aug 2025715 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20256210 PMAQI
1st Aug 20256111 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
30°C27/34°C
2nd Aug 2025565 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025759 AMAQI
2nd Aug 20257410 AMAQI
2nd Aug 20257311 AMAQI
2nd Aug 20258012 PMAQI
2nd Aug 2025751 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025533 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025627 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025584 AMAQI
30°C27/34°C
3rd Aug 2025585 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20256310 AMAQI
3rd Aug 20257211 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025681 PMAQI
3rd Aug 2025672 PMAQI
3rd Aug 2025683 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025725 PMAQI
3rd Aug 2025666 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025598 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025584 AMAQI
28°C25/31°C
4th Aug 2025585 AMAQI
5 AM4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025459 AMAQI
4th Aug 20254210 AMAQI
4th Aug 20254611 AMAQI
4th Aug 20254212 PMAQI
12 PM4th Aug 2025481 PMAQI
4th Aug 2025422 PMAQI
4th Aug 2025403 PMAQI
4th Aug 2025444 PMAQI
4th Aug 2025405 PMAQI
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
56AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
56AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 56), while the lowest AQI was between 5 AM to 7 PM (Avg. 56).
Night time
Avg. Highest Time
12 AM - 11 PM
55AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
55AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 55), while the lowest AQI was between 12 AM to 11 PM (Avg. 55).
2025 Days Vs Air Quality
Wongok, Ansan, Gyeonggi, South Korea
2025
15%
32
76%
163
9%
19
0.4%
1
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Good
32 DaysModerate
163 DaysPoor
19 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 216 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.
Annual Air Quality Insights
Wongok, Ansan, Gyeonggi, South Korea
AQI levels in 2025
AQI
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.
1st January 2025
78AQI
78AQI
2nd January 2025
57AQI
57AQI
3rd January 2025
60AQI
60AQI
4th January 2025
60AQI
60AQI
5th January 2025
70AQI
70AQI
6th January 2025
101AQI
101AQI
7th January 2025
55AQI
55AQI
8th January 2025
69AQI
69AQI
9th January 2025
42AQI
42AQI
10th January 2025
52AQI
52AQI
11th January 2025
57AQI
57AQI
12th January 2025
78AQI
78AQI
13th January 2025
91AQI
91AQI
14th January 2025
102AQI
102AQI
15th January 2025
54AQI
54AQI
16th January 2025
77AQI
77AQI
17th January 2025
76AQI
76AQI
18th January 2025
79AQI
79AQI
19th January 2025
87AQI
87AQI
20th January 2025
133AQI
133AQI
21st January 2025
135AQI
135AQI
22nd January 2025
154AQI
154AQI
23rd January 2025
112AQI
112AQI
24th January 2025
111AQI
111AQI
25th January 2025
70AQI
70AQI
26th January 2025
56AQI
56AQI
27th January 2025
65AQI
65AQI
28th January 2025
58AQI
58AQI
29th January 2025
59AQI
59AQI
30th January 2025
49AQI
49AQI
31st January 2025
71AQI
71AQI
1st February 2025
84AQI
84AQI
2nd February 2025
91AQI
91AQI
3rd February 2025
53AQI
53AQI
4th February 2025
52AQI
52AQI
5th February 2025
43AQI
43AQI
6th February 2025
56AQI
56AQI
7th February 2025
48AQI
48AQI
8th February 2025
41AQI
41AQI
9th February 2025
49AQI
49AQI
10th February 2025
57AQI
57AQI
11th February 2025
73AQI
73AQI
12th February 2025
83AQI
83AQI
13th February 2025
55AQI
55AQI
14th February 2025
95AQI
95AQI
15th February 2025
58AQI
58AQI
16th February 2025
116AQI
116AQI
17th February 2025
50AQI
50AQI
18th February 2025
64AQI
64AQI
19th February 2025
44AQI
44AQI
20th February 2025
56AQI
56AQI
21st February 2025
55AQI
55AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
56AQI
56AQI
24th February 2025
57AQI
57AQI
25th February 2025
58AQI
58AQI
26th February 2025
71AQI
71AQI
27th February 2025
63AQI
63AQI
28th February 2025
91AQI
91AQI
1st March 2025
105AQI
105AQI
2nd March 2025
85AQI
85AQI
3rd March 2025
55AQI
55AQI
4th March 2025
46AQI
46AQI
5th March 2025
35AQI
35AQI
6th March 2025
81AQI
81AQI
7th March 2025
98AQI
98AQI
8th March 2025
93AQI
93AQI
9th March 2025
108AQI
108AQI
10th March 2025
125AQI
125AQI
11th March 2025
115AQI
115AQI
12th March 2025
114AQI
114AQI
13th March 2025
108AQI
108AQI
14th March 2025
81AQI
81AQI
15th March 2025
73AQI
73AQI
16th March 2025
74AQI
74AQI
17th March 2025
68AQI
68AQI
18th March 2025
74AQI
74AQI
19th March 2025
80AQI
80AQI
20th March 2025
94AQI
94AQI
21st March 2025
110AQI
110AQI
22nd March 2025
116AQI
116AQI
23rd March 2025
118AQI
118AQI
24th March 2025
121AQI
121AQI
25th March 2025
131AQI
131AQI
26th March 2025
100AQI
100AQI
27th March 2025
99AQI
99AQI
28th March 2025
61AQI
61AQI
29th March 2025
49AQI
49AQI
30th March 2025
44AQI
44AQI
31st March 2025
63AQI
63AQI
1st April 2025
79AQI
79AQI
2nd April 2025
88AQI
88AQI
3rd April 2025
91AQI
91AQI
4th April 2025
88AQI
88AQI
5th April 2025
77AQI
77AQI
6th April 2025
71AQI
71AQI
7th April 2025
77AQI
77AQI
8th April 2025
85AQI
85AQI
9th April 2025
80AQI
80AQI
10th April 2025
89AQI
89AQI
11th April 2025
99AQI
99AQI
12th April 2025
73AQI
73AQI
13th April 2025
67AQI
67AQI
14th April 2025
51AQI
51AQI
15th April 2025
59AQI
59AQI
16th April 2025
67AQI
67AQI
17th April 2025
73AQI
73AQI
18th April 2025
89AQI
89AQI
19th April 2025
55AQI
55AQI
20th April 2025
72AQI
72AQI
21st April 2025
59AQI
59AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
36AQI
36AQI
24th April 2025
69AQI
69AQI
25th April 2025
58AQI
58AQI
26th April 2025
56AQI
56AQI
27th April 2025
45AQI
45AQI
28th April 2025
63AQI
63AQI
29th April 2025
71AQI
71AQI
30th April 2025
61AQI
61AQI
1st May 2025
64AQI
64AQI
2nd May 2025
52AQI
52AQI
3rd May 2025
53AQI
53AQI
4th May 2025
50AQI
50AQI
5th May 2025
57AQI
57AQI
6th May 2025
44AQI
44AQI
7th May 2025
56AQI
56AQI
8th May 2025
64AQI
64AQI
9th May 2025
52AQI
52AQI
10th May 2025
65AQI
65AQI
11th May 2025
76AQI
76AQI
12th May 2025
85AQI
85AQI
13th May 2025
77AQI
77AQI
14th May 2025
74AQI
74AQI
15th May 2025
69AQI
69AQI
16th May 2025
61AQI
61AQI
17th May 2025
52AQI
52AQI
18th May 2025
57AQI
57AQI
19th May 2025
62AQI
62AQI
20th May 2025
37AQI
37AQI
21st May 2025
48AQI
48AQI
22nd May 2025
52AQI
52AQI
23rd May 2025
63AQI
63AQI
24th May 2025
58AQI
58AQI
25th May 2025
58AQI
58AQI
26th May 2025
71AQI
71AQI
27th May 2025
97AQI
97AQI
28th May 2025
99AQI
99AQI
29th May 2025
87AQI
87AQI
30th May 2025
94AQI
94AQI
31st May 2025
98AQI
98AQI
1st June 2025
95AQI
95AQI
2nd June 2025
104AQI
104AQI
3rd June 2025
83AQI
83AQI
4th June 2025
64AQI
64AQI
5th June 2025
64AQI
64AQI
6th June 2025
61AQI
61AQI
7th June 2025
70AQI
70AQI
8th June 2025
59AQI
59AQI
9th June 2025
67AQI
67AQI
10th June 2025
60AQI
60AQI
11th June 2025
61AQI
61AQI
12th June 2025
69AQI
69AQI
13th June 2025
83AQI
83AQI
14th June 2025
70AQI
70AQI
15th June 2025
63AQI
63AQI
16th June 2025
72AQI
72AQI
17th June 2025
70AQI
70AQI
18th June 2025
72AQI
72AQI
19th June 2025
70AQI
70AQI
20th June 2025
50AQI
50AQI
21st June 2025
63AQI
63AQI
22nd June 2025
71AQI
71AQI
23rd June 2025
80AQI
80AQI
24th June 2025
66AQI
66AQI
25th June 2025
53AQI
53AQI
26th June 2025
60AQI
60AQI
27th June 2025
73AQI
73AQI
28th June 2025
70AQI
70AQI
29th June 2025
53AQI
53AQI
30th June 2025
48AQI
48AQI
1st July 2025
44AQI
44AQI
2nd July 2025
51AQI
51AQI
3rd July 2025
55AQI
55AQI
4th July 2025
56AQI
56AQI
5th July 2025
54AQI
54AQI
6th July 2025
56AQI
56AQI
7th July 2025
73AQI
73AQI
8th July 2025
75AQI
75AQI
9th July 2025
62AQI
62AQI
10th July 2025
55AQI
55AQI
11th July 2025
50AQI
50AQI
12th July 2025
50AQI
50AQI
13th July 2025
65AQI
65AQI
14th July 2025
59AQI
59AQI
15th July 2025
47AQI
47AQI
16th July 2025
55AQI
55AQI
17th July 2025
39AQI
39AQI
18th July 2025
45AQI
45AQI
19th July 2025
37AQI
37AQI
20th July 2025
42AQI
42AQI
21st July 2025
43AQI
43AQI
22nd July 2025
44AQI
44AQI
23rd July 2025
47AQI
47AQI
24th July 2025
52AQI
52AQI
25th July 2025
63AQI
63AQI
26th July 2025
58AQI
58AQI
27th July 2025
52AQI
52AQI
28th July 2025
68AQI
68AQI
29th July 2025
70AQI
70AQI
30th July 2025
75AQI
75AQI
31st July 2025
65AQI
65AQI
1st August 2025
60AQI
60AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
59AQI
59AQI
78AQI
63AQI
88AQI
70AQI
66AQI
68AQI
55AQI
60AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202570AQI
2
22
6
1
6
21
1
4
16
11
3
27
4
27
2
27
1
11
20
3
32
163
19
1
Highest AQI recorded in
March88AQI
Lowest AQI recorded in
July55AQI
202464AQI
9
14
7
1
8
14
6
1
6
21
3
1
1
22
7
9
19
3
6
22
2
21
9
1
12
19
24
5
1
16
14
1
6
24
5
26
123
209
31
3
Highest AQI recorded in
April82AQI
Lowest AQI recorded in
September42AQI
202374AQI
5
17
6
3
2
15
6
5
2
14
12
3
1
23
4
2
4
18
9
4
17
9
13
16
2
11
20
19
11
12
16
3
13
14
2
11
13
7
97
194
60
13
Highest AQI recorded in
March103AQI
Lowest AQI recorded in
September47AQI
202275AQI
1
19
9
2
2
11
5
3
4
17
10
3
14
12
1
2
26
3
13
16
1
5
17
3
3
1
11
16
1
1
17
9
4
1
4
20
5
1
6
22
3
71
188
56
9
Highest AQI recorded in
February93AQI
Lowest AQI recorded in
August34AQI
202165AQI
6
3
9
20
2
16
15
24
6
14
16
1
6
16
6
2
6
15
9
1
75
94
21
3
Highest AQI recorded in
June85AQI
Lowest AQI recorded in
September44AQI
202062AQI
3
10
2
3
12
Highest AQI recorded in
April83AQI
Lowest AQI recorded in
March59AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
75AQILeast Polluted Year Recorded
2020(Avg.)
62AQIWongok's annual 2025 AQI (70) shows an average percentage change of 2.8% (worsened AQI) compared to previous years: 2020 (62), 2021 (65), 2022 (75), 2023 (74), 2024 (64).
