Country Background

Bugs Dong, 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

Bugs Dong, Ansan, Gyeonggi, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2021
85AQI
Lowest AQI recorded on
9th Aug 2023
15AQI


Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 48 of Good air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 20th Aug - 21st Aug 2025

Bugs Dong, Ansan, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM20th Aug 2025

7 PM

4 AM21st Aug 2025

Day time
Avg. Highest Time
4PM20th Aug

56AQI

Avg. Lowest Time
9AM20th Aug

38AQI

Night time
Avg. Highest Time
4AM21st Aug

50AQI

Avg. Lowest Time
10PM20th Aug

46AQI

In the last 24 hours,

Bugs Dong's AQI reached its highest point of 56 at 4 PM during the Day, while the lowest point, 38, was recorded at 9 AM during the Day between 20th Aug and 21st Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Bugs Dong, Ansan, Gyeonggi, South Korea

JulAug
22nd - 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 - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
22nd Jul 2025485 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025478 AMAQI
22nd Jul 2025329 AMAQI
22nd Jul 20253810 AMAQI
22nd Jul 20255111 AMAQI
22nd Jul 20254612 PMAQI
22nd Jul 2025501 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025603 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025297 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025471 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025464 AMAQI

28°C25/32°C

23rd Jul 2025455 AMAQI
23rd Jul 2025456 AMAQI
23rd Jul 2025457 AMAQI
23rd Jul 2025468 AMAQI
23rd Jul 2025479 AMAQI
23rd Jul 20255210 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20255212 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025522 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025615 PMAQI
23rd Jul 2025626 PMAQI
23rd Jul 2025607 PMAQI
23rd Jul 2025518 PMAQI
23rd Jul 2025529 PMAQI
23rd Jul 20254810 PMAQI
23rd Jul 20254911 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025451 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025454 AMAQI

28°C25/32°C

24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253110 AMAQI
24th Jul 20252811 AMAQI
24th Jul 20252812 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025562 PMAQI
24th Jul 2025683 PMAQI
24th Jul 2025754 PMAQI
24th Jul 2025775 PMAQI
24th Jul 2025766 PMAQI
24th Jul 2025717 PMAQI
24th Jul 2025648 PMAQI
24th Jul 2025599 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20256312 AMAQI
25th Jul 2025611 AMAQI
25th Jul 2025502 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025454 AMAQI

28°C25/32°C

25th Jul 2025465 AMAQI
25th Jul 2025466 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025468 AMAQI
25th Jul 2025689 AMAQI
25th Jul 20257810 AMAQI
25th Jul 20257911 AMAQI
25th Jul 20258612 PMAQI
25th Jul 2025871 PMAQI
25th Jul 2025822 PMAQI
25th Jul 2025823 PMAQI
25th Jul 2025884 PMAQI
25th Jul 2025915 PMAQI
25th Jul 2025986 PMAQI
25th Jul 2025947 PMAQI
25th Jul 2025808 PMAQI
25th Jul 2025679 PMAQI
25th Jul 20256610 PMAQI
25th Jul 20256511 PMAQI
26th Jul 20256212 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025544 AMAQI

30°C26/35°C

26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025577 AMAQI
26th Jul 2025578 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025521 PMAQI
26th Jul 2025522 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025554 PMAQI
26th Jul 2025505 PMAQI
26th Jul 2025536 PMAQI
26th Jul 2025607 PMAQI
26th Jul 2025748 PMAQI
26th Jul 2025709 PMAQI
26th Jul 20257210 PMAQI
26th Jul 20257611 PMAQI
27th Jul 20257812 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 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 2025439 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20252311 AMAQI
27th Jul 20253112 PMAQI
27th Jul 2025441 PMAQI
27th Jul 2025322 PMAQI
27th Jul 2025433 PMAQI
27th Jul 2025414 PMAQI
27th Jul 2025415 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025637 PMAQI
27th Jul 2025688 PMAQI
27th Jul 2025689 PMAQI
27th Jul 20256810 PMAQI
27th Jul 20256811 PMAQI
28th Jul 20256812 AMAQI
28th Jul 2025571 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 2025859 AMAQI
28th Jul 20259810 AMAQI
28th Jul 20259411 AMAQI
28th Jul 20259012 PMAQI
28th Jul 2025781 PMAQI
28th Jul 2025732 PMAQI
28th Jul 2025683 PMAQI
28th Jul 2025704 PMAQI
28th Jul 2025825 PMAQI
28th Jul 2025886 PMAQI
28th Jul 2025917 PMAQI
28th Jul 2025828 PMAQI
28th Jul 2025729 PMAQI
28th Jul 20256610 PMAQI
28th Jul 20256711 PMAQI
29th Jul 20256612 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 2025719 AMAQI
29th Jul 20257810 AMAQI
29th Jul 20258811 AMAQI
29th Jul 202510012 PMAQI
29th Jul 2025981 PMAQI
29th Jul 2025922 PMAQI
29th Jul 2025963 PMAQI
29th Jul 2025894 PMAQI
29th Jul 2025945 PMAQI
29th Jul 2025856 PMAQI
29th Jul 2025767 PMAQI
29th Jul 2025768 PMAQI
29th Jul 2025669 PMAQI
29th Jul 20256610 PMAQI
29th Jul 20256511 PMAQI
30th Jul 20256412 AMAQI
30th Jul 2025591 AMAQI
30th Jul 2025582 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025624 AMAQI

31°C27/36°C

30th Jul 2025655 AMAQI
30th Jul 2025656 AMAQI
30th Jul 2025647 AMAQI
30th Jul 2025658 AMAQI
30th Jul 2025829 AMAQI
30th Jul 20258810 AMAQI
30th Jul 20258611 AMAQI
30th Jul 20258812 PMAQI
30th Jul 2025861 PMAQI
30th Jul 2025822 PMAQI
30th Jul 2025803 PMAQI
30th Jul 2025804 PMAQI
30th Jul 2025725 PMAQI
30th Jul 2025926 PMAQI
30th Jul 2025927 PMAQI
30th Jul 2025748 PMAQI
30th Jul 2025709 PMAQI
30th Jul 20256910 PMAQI
30th Jul 20256911 PMAQI
31st Jul 20256812 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025612 AMAQI
31st Jul 2025613 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 20256411 AMAQI
31st Jul 20256712 PMAQI
31st Jul 2025731 PMAQI
31st Jul 2025812 PMAQI
31st Jul 2025803 PMAQI
31st Jul 2025824 PMAQI
31st Jul 2025815 PMAQI
31st Jul 2025836 PMAQI
31st Jul 2025857 PMAQI
31st Jul 2025748 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255411 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025574 AMAQI

30°C27/34°C

1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20255611 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025642 PMAQI
1st Aug 2025663 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025745 PMAQI
1st Aug 2025616 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025619 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI

30°C27/34°C

2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025769 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257411 AMAQI
2nd Aug 20258412 PMAQI
2nd Aug 2025771 PMAQI
2nd Aug 2025642 PMAQI
2nd Aug 2025563 PMAQI
2nd Aug 2025594 PMAQI
2nd Aug 2025575 PMAQI
2nd Aug 2025676 PMAQI
2nd Aug 2025627 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025599 PMAQI
2nd Aug 20255910 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025584 AMAQI

30°C27/34°C

3rd Aug 2025595 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025669 AMAQI
3rd Aug 20257010 AMAQI
3rd Aug 20257411 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025661 PMAQI
3rd Aug 2025712 PMAQI
3rd Aug 2025693 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025695 PMAQI
3rd Aug 2025686 PMAQI
3rd Aug 2025657 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025599 PMAQI
3rd Aug 20255710 PMAQI
3rd Aug 20255211 PMAQI
4th Aug 20255312 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025572 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI

28°C25/31°C

4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025597 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025399 AMAQI
4th Aug 20253710 AMAQI
4th Aug 20254711 AMAQI
4th Aug 20254112 PMAQI
4th Aug 2025421 PMAQI
4th Aug 2025412 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025414 PMAQI
4th Aug 2025425 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025517 PMAQI
4th Aug 2025538 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255510 PMAQI
4th Aug 20255511 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025541 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025554 AMAQI

26°C23/32°C

5th Aug 2025565 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025529 AMAQI
5th Aug 20255410 AMAQI
5th Aug 20255411 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025532 PMAQI
5th Aug 2025483 PMAQI
5th Aug 2025384 PMAQI
5th Aug 2025385 PMAQI
5th Aug 2025396 PMAQI
5th Aug 2025427 PMAQI
5th Aug 2025508 PMAQI
5th Aug 2025509 PMAQI
5th Aug 20255010 PMAQI
5th Aug 20255211 PMAQI
6th Aug 20255212 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025552 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI

27°C24/31°C

6th Aug 2025565 AMAQI
6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025389 AMAQI
6th Aug 20253510 AMAQI
6th Aug 20253611 AMAQI
6th Aug 20254212 PMAQI
6th Aug 2025391 PMAQI
6th Aug 2025482 PMAQI
6th Aug 2025483 PMAQI
6th Aug 2025424 PMAQI
6th Aug 2025375 PMAQI
6th Aug 2025376 PMAQI
6th Aug 2025387 PMAQI
6th Aug 2025498 PMAQI
6th Aug 2025519 PMAQI
6th Aug 20255010 PMAQI
6th Aug 20255211 PMAQI
7th Aug 20254712 AMAQI
7th Aug 2025531 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025543 AMAQI
7th Aug 2025534 AMAQI

26°C23/29°C

7th Aug 2025535 AMAQI
7th Aug 2025536 AMAQI
7th Aug 2025527 AMAQI
7th Aug 2025538 AMAQI
7th Aug 2025389 AMAQI
7th Aug 20254310 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20255312 PMAQI
7th Aug 2025501 PMAQI
7th Aug 2025542 PMAQI
7th Aug 2025523 PMAQI
7th Aug 2025604 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025386 PMAQI
7th Aug 2025457 PMAQI
7th Aug 2025558 PMAQI
7th Aug 2025529 PMAQI
7th Aug 20255110 PMAQI
7th Aug 20254811 PMAQI
8th Aug 20254912 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025524 AMAQI

26°C23/30°C

8th Aug 2025525 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025527 AMAQI
8th Aug 2025528 AMAQI
8th Aug 2025499 AMAQI
8th Aug 20255610 AMAQI
8th Aug 20256411 AMAQI
8th Aug 20256412 PMAQI
8th Aug 2025661 PMAQI
8th Aug 2025672 PMAQI
8th Aug 2025753 PMAQI
8th Aug 2025814 PMAQI
8th Aug 2025785 PMAQI
8th Aug 2025796 PMAQI
8th Aug 2025747 PMAQI
8th Aug 2025608 PMAQI
8th Aug 2025539 PMAQI
8th Aug 20255310 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255612 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025534 AMAQI

27°C24/31°C

9th Aug 2025545 AMAQI
9th Aug 2025546 AMAQI
9th Aug 2025557 AMAQI
9th Aug 2025548 AMAQI
9th Aug 2025689 AMAQI
9th Aug 20257210 AMAQI
9th Aug 20257211 AMAQI
9th Aug 20257312 PMAQI
9th Aug 2025761 PMAQI
9th Aug 2025732 PMAQI
9th Aug 2025733 PMAQI
9th Aug 2025724 PMAQI
9th Aug 2025745 PMAQI
9th Aug 2025646 PMAQI
9th Aug 2025607 PMAQI
9th Aug 2025608 PMAQI
9th Aug 2025579 PMAQI
9th Aug 20255710 PMAQI
9th Aug 20256011 PMAQI
10th Aug 20256012 AMAQI
10th Aug 2025561 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025533 AMAQI
10th Aug 2025554 AMAQI

25°C22/25°C

10th Aug 2025565 AMAQI
10th Aug 2025576 AMAQI
10th Aug 2025577 AMAQI
10th Aug 2025578 AMAQI
10th Aug 2025589 AMAQI
10th Aug 20255810 AMAQI
10th Aug 20255311 AMAQI
10th Aug 20254812 PMAQI
10th Aug 2025551 PMAQI
10th Aug 2025572 PMAQI
10th Aug 2025543 PMAQI
10th Aug 2025544 PMAQI
10th Aug 2025575 PMAQI
10th Aug 2025586 PMAQI
10th Aug 2025677 PMAQI
10th Aug 2025668 PMAQI
10th Aug 2025639 PMAQI
10th Aug 20255810 PMAQI
10th Aug 20255811 PMAQI
11th Aug 20255612 AMAQI
11th Aug 2025551 AMAQI
11th Aug 2025552 AMAQI
11th Aug 2025553 AMAQI
11th Aug 2025554 AMAQI

27°C23/31°C

11th Aug 2025555 AMAQI
11th Aug 2025556 AMAQI
11th Aug 2025557 AMAQI
11th Aug 2025558 AMAQI
11th Aug 2025659 AMAQI
11th Aug 20256610 AMAQI
11th Aug 20256611 AMAQI
11th Aug 20256612 PMAQI
11th Aug 2025721 PMAQI
11th Aug 2025732 PMAQI
11th Aug 2025663 PMAQI
11th Aug 2025614 PMAQI
11th Aug 2025615 PMAQI
11th Aug 2025616 PMAQI
11th Aug 2025607 PMAQI
11th Aug 2025588 PMAQI
11th Aug 2025559 PMAQI
11th Aug 20255710 PMAQI
11th Aug 20256011 PMAQI
12th Aug 20255812 AMAQI
12th Aug 2025551 AMAQI
12th Aug 2025542 AMAQI
12th Aug 2025543 AMAQI
12th Aug 2025564 AMAQI

26°C23/29°C

12th Aug 2025555 AMAQI
12th Aug 2025566 AMAQI
12th Aug 2025557 AMAQI
12th Aug 2025558 AMAQI
12th Aug 2025579 AMAQI
12th Aug 20255710 AMAQI
12th Aug 20255411 AMAQI
12th Aug 20255312 PMAQI
12th Aug 2025561 PMAQI
12th Aug 2025542 PMAQI
12th Aug 2025543 PMAQI
12th Aug 2025494 PMAQI
12th Aug 2025425 PMAQI
12th Aug 2025476 PMAQI
12th Aug 2025377 PMAQI
12th Aug 2025508 PMAQI
12th Aug 2025509 PMAQI
12th Aug 20254610 PMAQI
12th Aug 20254811 PMAQI
13th Aug 20254712 AMAQI
13th Aug 2025541 AMAQI
13th Aug 2025542 AMAQI
13th Aug 2025543 AMAQI
13th Aug 2025544 AMAQI

26°C22/31°C

13th Aug 2025545 AMAQI
13th Aug 2025546 AMAQI
13th Aug 2025537 AMAQI
13th Aug 2025548 AMAQI
13th Aug 2025279 AMAQI
13th Aug 20252410 AMAQI
13th Aug 20252311 AMAQI
13th Aug 20252612 PMAQI
13th Aug 2025261 PMAQI
13th Aug 2025322 PMAQI
13th Aug 2025363 PMAQI
13th Aug 2025324 PMAQI
13th Aug 2025345 PMAQI
13th Aug 2025296 PMAQI
13th Aug 2025367 PMAQI
13th Aug 2025408 PMAQI
13th Aug 2025399 PMAQI
13th Aug 20254410 PMAQI
13th Aug 20254111 PMAQI
14th Aug 20255012 AMAQI
14th Aug 2025521 AMAQI
14th Aug 2025522 AMAQI
14th Aug 2025523 AMAQI
14th Aug 2025504 AMAQI

25°C23/25°C

14th Aug 2025495 AMAQI
14th Aug 2025496 AMAQI
14th Aug 2025477 AMAQI
14th Aug 2025498 AMAQI
14th Aug 2025339 AMAQI
14th Aug 20253610 AMAQI
14th Aug 20252811 AMAQI
14th Aug 20253112 PMAQI
14th Aug 2025391 PMAQI
14th Aug 2025352 PMAQI
14th Aug 2025393 PMAQI
14th Aug 2025374 PMAQI
14th Aug 2025335 PMAQI
14th Aug 2025446 PMAQI
14th Aug 2025527 PMAQI
14th Aug 2025458 PMAQI
14th Aug 2025449 PMAQI
14th Aug 20254710 PMAQI
14th Aug 20254611 PMAQI
15th Aug 20254812 AMAQI
15th Aug 2025501 AMAQI
15th Aug 2025492 AMAQI
15th Aug 2025473 AMAQI
15th Aug 2025464 AMAQI

25°C23/27°C

15th Aug 2025455 AMAQI
15th Aug 2025466 AMAQI
15th Aug 2025487 AMAQI
15th Aug 2025458 AMAQI
15th Aug 2025409 AMAQI
15th Aug 20253810 AMAQI
15th Aug 20253911 AMAQI
15th Aug 20253912 PMAQI
15th Aug 2025371 PMAQI
15th Aug 2025342 PMAQI
15th Aug 2025433 PMAQI
15th Aug 2025394 PMAQI
15th Aug 2025295 PMAQI
15th Aug 2025366 PMAQI
15th Aug 2025387 PMAQI
15th Aug 2025398 PMAQI
15th Aug 2025399 PMAQI
15th Aug 20254310 PMAQI
15th Aug 20254411 PMAQI
16th Aug 20254012 AMAQI
16th Aug 2025461 AMAQI
16th Aug 2025462 AMAQI
16th Aug 2025463 AMAQI
16th Aug 2025454 AMAQI

26°C22/29°C

16th Aug 2025445 AMAQI
16th Aug 2025446 AMAQI
16th Aug 2025467 AMAQI
16th Aug 2025468 AMAQI
16th Aug 2025349 AMAQI
16th Aug 20253710 AMAQI
16th Aug 20253911 AMAQI
16th Aug 20254112 PMAQI
16th Aug 2025581 PMAQI
16th Aug 2025502 PMAQI
16th Aug 2025463 PMAQI
16th Aug 2025464 PMAQI
16th Aug 2025405 PMAQI
16th Aug 2025306 PMAQI
16th Aug 2025267 PMAQI
16th Aug 2025338 PMAQI
16th Aug 2025389 PMAQI
16th Aug 20253810 PMAQI
16th Aug 20253911 PMAQI
17th Aug 20253712 AMAQI
17th Aug 2025421 AMAQI
17th Aug 2025422 AMAQI
17th Aug 2025433 AMAQI
17th Aug 2025454 AMAQI

27°C24/31°C

17th Aug 2025455 AMAQI
17th Aug 2025446 AMAQI
17th Aug 2025457 AMAQI
17th Aug 2025448 AMAQI
17th Aug 2025379 AMAQI
17th Aug 20253210 AMAQI
17th Aug 20253411 AMAQI
17th Aug 20252812 PMAQI
17th Aug 2025391 PMAQI
17th Aug 2025502 PMAQI
17th Aug 2025403 PMAQI
17th Aug 2025414 PMAQI
17th Aug 2025495 PMAQI
17th Aug 2025406 PMAQI
17th Aug 2025417 PMAQI
17th Aug 2025428 PMAQI
17th Aug 2025479 PMAQI
17th Aug 20254810 PMAQI
17th Aug 20255011 PMAQI
18th Aug 20255212 AMAQI
18th Aug 2025461 AMAQI
18th Aug 2025432 AMAQI
18th Aug 2025423 AMAQI
18th Aug 2025424 AMAQI

27°C24/32°C

18th Aug 2025425 AMAQI
18th Aug 2025426 AMAQI
18th Aug 2025437 AMAQI
18th Aug 2025428 AMAQI
18th Aug 2025549 AMAQI
18th Aug 20255710 AMAQI
18th Aug 20255811 AMAQI
18th Aug 20255612 PMAQI
18th Aug 2025641 PMAQI
18th Aug 2025622 PMAQI
18th Aug 2025643 PMAQI
18th Aug 2025624 PMAQI
18th Aug 2025605 PMAQI
18th Aug 2025596 PMAQI
18th Aug 2025567 PMAQI
18th Aug 2025548 PMAQI
18th Aug 2025549 PMAQI
18th Aug 20255510 PMAQI
18th Aug 20255311 PMAQI
19th Aug 20255412 AMAQI
19th Aug 2025501 AMAQI
19th Aug 2025452 AMAQI
19th Aug 2025433 AMAQI
19th Aug 2025494 AMAQI

27°C24/31°C

19th Aug 2025485 AMAQI
19th Aug 2025506 AMAQI
19th Aug 2025497 AMAQI
19th Aug 2025518 AMAQI
19th Aug 2025429 AMAQI
19th Aug 20254210 AMAQI
19th Aug 20253311 AMAQI
19th Aug 20255012 PMAQI
19th Aug 2025501 PMAQI
19th Aug 2025462 PMAQI
19th Aug 2025413 PMAQI
19th Aug 2025414 PMAQI
19th Aug 2025485 PMAQI
19th Aug 2025436 PMAQI
19th Aug 2025437 PMAQI
19th Aug 2025488 PMAQI
19th Aug 2025449 PMAQI
19th Aug 20254610 PMAQI
19th Aug 20254511 PMAQI
20th Aug 20254812 AMAQI
20th Aug 2025491 AMAQI
20th Aug 2025502 AMAQI
20th Aug 2025483 AMAQI
20th Aug 2025484 AMAQI

27°C24/30°C

20th Aug 2025495 AMAQI
20th Aug 2025476 AMAQI
20th Aug 2025487 AMAQI
20th Aug 2025488 AMAQI
20th Aug 2025389 AMAQI
20th Aug 20254510 AMAQI
20th Aug 20254811 AMAQI
20th Aug 20255412 PMAQI
20th Aug 2025491 PMAQI
20th Aug 2025462 PMAQI
20th Aug 2025453 PMAQI
20th Aug 2025564 PMAQI
20th Aug 2025415 PMAQI
20th Aug 2025486 PMAQI
20th Aug 2025497 PMAQI
20th Aug 2025488 PMAQI
20th Aug 2025469 PMAQI
20th Aug 20254610 PMAQI
20th Aug 20254911 PMAQI
21st Aug 20254912 AMAQI
21st Aug 2025481 AMAQI
21st Aug 2025482 AMAQI
21st Aug 2025493 AMAQI
21st Aug 2025504 AMAQI

27°C24/31°C

21st Aug 2025495 AMAQI
5 AM
21st Aug 2025496 AMAQI
21st Aug 2025507 AMAQI
21st Aug 2025488 AMAQI
21st Aug 2025519 AMAQI
21st Aug 20255310 AMAQI
21st Aug 20255011 AMAQI
21st Aug 20255012 PMAQI
12 PM
21st Aug 2025551 PMAQI
21st Aug 2025582 PMAQI
21st Aug 2025563 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
1 PM - 7 PM

58AQI

7 hours / Day
210 hours / Month
Avg. Lowest Time
5 AM - 12 PM

53AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 7 PM (Avg. 58), while the lowest AQI was between 5 AM to 12 PM (Avg. 53).
Night time
Avg. Highest Time
8 PM - 11 PM

55AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM

53AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 55), while the lowest AQI was between 12 AM to 4 AM (Avg. 53).

2025 Days Vs Air Quality

Bugs Dong, Ansan, Gyeonggi, South Korea

2025

22%

50

72%

167

6%

15

Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)

Good
50 Days
Moderate
167 Days
Poor
15 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 22%

Health Risk Level:

Very high

In 2025, 22% of 233 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Bugs Dong, 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
71AQI
2nd January 2025
54AQI
3rd January 2025
57AQI
4th January 2025
58AQI
5th January 2025
63AQI
6th January 2025
92AQI
7th January 2025
52AQI
8th January 2025
64AQI
9th January 2025
42AQI
10th January 2025
48AQI
11th January 2025
55AQI
12th January 2025
74AQI
13th January 2025
85AQI
14th January 2025
98AQI
15th January 2025
52AQI
16th January 2025
75AQI
17th January 2025
76AQI
18th January 2025
77AQI
19th January 2025
81AQI
20th January 2025
131AQI
21st January 2025
133AQI
22nd January 2025
149AQI
23rd January 2025
114AQI
24th January 2025
107AQI
25th January 2025
68AQI
26th January 2025
54AQI
27th January 2025
64AQI
28th January 2025
55AQI
29th January 2025
56AQI
30th January 2025
48AQI
31st January 2025
65AQI
1st February 2025
77AQI
2nd February 2025
88AQI
3rd February 2025
53AQI
4th February 2025
50AQI
5th February 2025
41AQI
6th February 2025
49AQI
7th February 2025
46AQI
8th February 2025
40AQI
9th February 2025
45AQI
10th February 2025
51AQI
11th February 2025
69AQI
12th February 2025
79AQI
13th February 2025
50AQI
14th February 2025
91AQI
15th February 2025
57AQI
16th February 2025
113AQI
17th February 2025
50AQI
18th February 2025
62AQI
19th February 2025
44AQI
20th February 2025
56AQI
21st February 2025
52AQI
22nd February 2025
56AQI
23rd February 2025
52AQI
24th February 2025
57AQI
25th February 2025
54AQI
26th February 2025
71AQI
27th February 2025
59AQI
28th February 2025
84AQI
1st March 2025
99AQI
2nd March 2025
77AQI
3rd March 2025
55AQI
4th March 2025
46AQI
5th March 2025
35AQI
6th March 2025
76AQI
7th March 2025
93AQI
8th March 2025
88AQI
9th March 2025
96AQI
10th March 2025
121AQI
11th March 2025
108AQI
12th March 2025
107AQI
13th March 2025
98AQI
14th March 2025
77AQI
15th March 2025
57AQI
16th March 2025
71AQI
17th March 2025
65AQI
18th March 2025
69AQI
19th March 2025
81AQI
20th March 2025
89AQI
21st March 2025
101AQI
22nd March 2025
105AQI
23rd March 2025
109AQI
24th March 2025
112AQI
25th March 2025
125AQI
26th March 2025
90AQI
27th March 2025
87AQI
28th March 2025
56AQI
29th March 2025
46AQI
30th March 2025
40AQI
31st March 2025
60AQI
1st April 2025
74AQI
2nd April 2025
84AQI
3rd April 2025
84AQI
4th April 2025
80AQI
5th April 2025
68AQI
6th April 2025
63AQI
7th April 2025
70AQI
8th April 2025
82AQI
9th April 2025
74AQI
10th April 2025
84AQI
11th April 2025
95AQI
12th April 2025
71AQI
13th April 2025
65AQI
14th April 2025
50AQI
15th April 2025
61AQI
16th April 2025
64AQI
17th April 2025
71AQI
18th April 2025
84AQI
19th April 2025
50AQI
20th April 2025
68AQI
21st April 2025
54AQI
22nd April 2025
46AQI
23rd April 2025
36AQI
24th April 2025
67AQI
25th April 2025
66AQI
26th April 2025
57AQI
27th April 2025
45AQI
28th April 2025
61AQI
29th April 2025
72AQI
30th April 2025
60AQI
1st May 2025
63AQI
2nd May 2025
52AQI
3rd May 2025
49AQI
4th May 2025
49AQI
5th May 2025
55AQI
6th May 2025
44AQI
7th May 2025
56AQI
8th May 2025
64AQI
9th May 2025
50AQI
10th May 2025
60AQI
11th May 2025
72AQI
12th May 2025
75AQI
13th May 2025
77AQI
14th May 2025
75AQI
15th May 2025
69AQI
16th May 2025
58AQI
17th May 2025
51AQI
18th May 2025
60AQI
19th May 2025
63AQI
20th May 2025
39AQI
21st May 2025
51AQI
22nd May 2025
51AQI
23rd May 2025
67AQI
24th May 2025
52AQI
25th May 2025
52AQI
26th May 2025
69AQI
27th May 2025
85AQI
28th May 2025
93AQI
29th May 2025
85AQI
30th May 2025
93AQI
31st May 2025
92AQI
1st June 2025
93AQI
2nd June 2025
101AQI
3rd June 2025
81AQI
4th June 2025
62AQI
5th June 2025
62AQI
6th June 2025
61AQI
7th June 2025
71AQI
8th June 2025
57AQI
9th June 2025
66AQI
10th June 2025
52AQI
11th June 2025
57AQI
12th June 2025
69AQI
13th June 2025
81AQI
14th June 2025
67AQI
15th June 2025
60AQI
16th June 2025
70AQI
17th June 2025
68AQI
18th June 2025
70AQI
19th June 2025
69AQI
20th June 2025
46AQI
21st June 2025
62AQI
22nd June 2025
70AQI
23rd June 2025
76AQI
24th June 2025
67AQI
25th June 2025
50AQI
26th June 2025
60AQI
27th June 2025
71AQI
28th June 2025
70AQI
29th June 2025
51AQI
30th June 2025
49AQI
1st July 2025
42AQI
2nd July 2025
48AQI
3rd July 2025
60AQI
4th July 2025
56AQI
5th July 2025
54AQI
6th July 2025
57AQI
7th July 2025
78AQI
8th July 2025
74AQI
9th July 2025
64AQI
10th July 2025
55AQI
11th July 2025
50AQI
12th July 2025
52AQI
13th July 2025
67AQI
14th July 2025
57AQI
15th July 2025
46AQI
16th July 2025
53AQI
17th July 2025
37AQI
18th July 2025
44AQI
19th July 2025
34AQI
20th July 2025
39AQI
21st July 2025
45AQI
22nd July 2025
43AQI
23rd July 2025
50AQI
24th July 2025
52AQI
25th July 2025
69AQI
26th July 2025
57AQI
27th July 2025
52AQI
28th July 2025
71AQI
29th July 2025
73AQI
30th July 2025
73AQI
31st July 2025
67AQI
1st August 2025
59AQI
2nd August 2025
62AQI
3rd August 2025
62AQI
4th August 2025
50AQI
5th August 2025
51AQI
6th August 2025
48AQI
7th August 2025
50AQI
8th August 2025
60AQI
9th August 2025
61AQI
10th August 2025
57AQI
11th August 2025
60AQI
12th August 2025
52AQI
13th August 2025
41AQI
14th August 2025
44AQI
15th August 2025
42AQI
16th August 2025
41AQI
17th August 2025
42AQI
18th August 2025
52AQI
19th August 2025
46AQI
20th August 2025
48AQI

75AQI

61AQI

82AQI

67AQI

64AQI

66AQI

55AQI

51AQI


No. of days

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

202566AQI

3
23
5
9
18
1
4
19
8
5
25
5
26
3
26
1
11
20
10
10
50
167
15

Highest AQI recorded in

March

82AQI


Lowest AQI recorded in

August

51AQI


202455AQI

10
15
6
11
13
4
1
9
19
3
6
24
19
12
13
16
24
7
12
18
22
7
20
11
11
19
9
22
166
183
13
1

Highest AQI recorded in

January

71AQI


Lowest AQI recorded in

July

39AQI


202359AQI

12
12
5
2
3
18
6
1
4
16
11
10
16
4
14
17
17
13
18
12
1
21
10
24
6
17
14
15
14
12
15
3
167
163
30
3

Highest AQI recorded in

February

86AQI


Lowest AQI recorded in

September

41AQI


202260AQI

3
18
8
2
4
10
4
3
11
16
4
9
20
1
15
16
26
4
11
13
1
1
22
6
1
18
12
1
8
19
3
10
20
1
138
155
23
5

Highest AQI recorded in

January

87AQI


Lowest AQI recorded in

June

37AQI


202162AQI

8
19
3
9
12
4
3
4
17
6
3
1
12
15
3
15
14
2
7
22
1
15
16
23
8
27
3
20
11
10
16
3
1
12
13
6
162
166
26
7
1
2

Highest AQI recorded in

March

97AQI


Lowest AQI recorded in

September

29AQI


202055AQI

5
7
1
5
15
1
8
10
11
19
22
9
23
8
24
6
16
13
2
11
12
7
7
13
10
1
132
112
21
1

Highest AQI recorded in

December

82AQI


Lowest AQI recorded in

September

36AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
66AQI
Least Polluted Year Recorded
2020(Avg.)
55AQI


Bugs Dong's annual 2025 AQI (66) shows an average percentage change of 12.7% (worsened AQI) compared to previous years: 2020 (55), 2021 (62), 2022 (60), 2023 (59), 2024 (55).