Hosu 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+
November Air Quality Analysis
Hosu Dong, Ansan, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
21st Nov 2021
167AQILowest AQI recorded on
9th Nov 2021
17AQISame Day Analysis (27th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 60 of Moderate air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 27th Nov - 28th Nov 2025
Hosu Dong, Ansan, Gyeonggi, South Korea
AQI
Day
Night
.
7 AM27th Nov 2025
5 PM
6 AM28th Nov 2025
Day time
Avg. Highest Time
12AMNaNth undefined
AQI
Avg. Lowest Time
12AMNaNth undefined
AQI
Night time
Avg. Highest Time
8PM27th Nov
65AQI
Avg. Lowest Time
4AM28th Nov
35AQI
In the last 24 hours,
Hosu Dong's AQI reached its highest point of 65 at 8 PM during the Night, while the lowest point, 35, was recorded at 4 AM during the Night between 27th Nov and 28th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Hosu Dong, Ansan, Gyeonggi, South Korea
OctNov
29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th
Day
Night
29th Oct 2025547 AMAQI
29th Oct 2025548 AMAQI
29th Oct 2025509 AMAQI
29th Oct 20255510 AMAQI
29th Oct 20255611 AMAQI
29th Oct 20255612 PMAQI
29th Oct 2025621 PMAQI
29th Oct 2025582 PMAQI
29th Oct 2025553 PMAQI
29th Oct 2025554 PMAQI
29th Oct 2025445 PMAQI
29th Oct 2025426 PMAQI
29th Oct 2025467 PMAQI
29th Oct 2025558 PMAQI
29th Oct 2025639 PMAQI
29th Oct 20257610 PMAQI
29th Oct 20257411 PMAQI
30th Oct 20256712 AMAQI
30th Oct 2025651 AMAQI
30th Oct 2025692 AMAQI
30th Oct 2025693 AMAQI
30th Oct 2025694 AMAQI
30th Oct 2025795 AMAQI
30th Oct 2025786 AMAQI
11°C8/15°C
30th Oct 2025737 AMAQI
30th Oct 2025728 AMAQI
30th Oct 2025689 AMAQI
30th Oct 20257010 AMAQI
30th Oct 20257011 AMAQI
30th Oct 20257112 PMAQI
30th Oct 2025651 PMAQI
30th Oct 2025592 PMAQI
30th Oct 2025573 PMAQI
30th Oct 2025554 PMAQI
30th Oct 2025555 PMAQI
30th Oct 2025656 PMAQI
30th Oct 2025867 PMAQI
30th Oct 2025838 PMAQI
30th Oct 2025869 PMAQI
30th Oct 20259010 PMAQI
30th Oct 20258311 PMAQI
31st Oct 20258512 AMAQI
31st Oct 2025851 AMAQI
31st Oct 2025812 AMAQI
31st Oct 2025853 AMAQI
31st Oct 2025924 AMAQI
31st Oct 2025925 AMAQI
31st Oct 2025836 AMAQI
13°C10/16°C
31st Oct 2025837 AMAQI
31st Oct 2025838 AMAQI
31st Oct 2025789 AMAQI
31st Oct 20258210 AMAQI
31st Oct 20257111 AMAQI
31st Oct 20256812 PMAQI
31st Oct 2025671 PMAQI
31st Oct 2025702 PMAQI
31st Oct 2025693 PMAQI
31st Oct 2025674 PMAQI
31st Oct 2025685 PMAQI
31st Oct 2025786 PMAQI
31st Oct 2025927 PMAQI
31st Oct 2025838 PMAQI
31st Oct 2025809 PMAQI
31st Oct 20258110 PMAQI
31st Oct 20257611 PMAQI
1st Nov 20256912 AMAQI
1st Nov 2025661 AMAQI
1st Nov 2025622 AMAQI
1st Nov 2025613 AMAQI
1st Nov 2025584 AMAQI
1st Nov 2025575 AMAQI
1st Nov 2025526 AMAQI
15°C12/18°C
1st Nov 2025487 AMAQI
1st Nov 2025488 AMAQI
1st Nov 2025499 AMAQI
1st Nov 20255010 AMAQI
1st Nov 20255011 AMAQI
1st Nov 20254412 PMAQI
1st Nov 2025451 PMAQI
1st Nov 2025452 PMAQI
1st Nov 2025403 PMAQI
1st Nov 2025284 PMAQI
1st Nov 2025265 PMAQI
1st Nov 2025416 PMAQI
1st Nov 2025467 PMAQI
1st Nov 2025458 PMAQI
1st Nov 2025509 PMAQI
1st Nov 20254810 PMAQI
1st Nov 20253911 PMAQI
2nd Nov 20253712 AMAQI
2nd Nov 2025331 AMAQI
2nd Nov 2025352 AMAQI
2nd Nov 2025303 AMAQI
2nd Nov 2025304 AMAQI
2nd Nov 2025335 AMAQI
2nd Nov 2025376 AMAQI
13°C12/15°C
2nd Nov 2025387 AMAQI
2nd Nov 2025448 AMAQI
2nd Nov 2025409 AMAQI
2nd Nov 20253910 AMAQI
2nd Nov 20254411 AMAQI
2nd Nov 20253912 PMAQI
2nd Nov 2025401 PMAQI
2nd Nov 2025342 PMAQI
2nd Nov 2025303 PMAQI
2nd Nov 2025244 PMAQI
2nd Nov 2025245 PMAQI
2nd Nov 2025226 PMAQI
2nd Nov 2025267 PMAQI
2nd Nov 2025288 PMAQI
2nd Nov 2025339 PMAQI
2nd Nov 20253510 PMAQI
2nd Nov 20254211 PMAQI
3rd Nov 20254412 AMAQI
3rd Nov 2025441 AMAQI
3rd Nov 2025332 AMAQI
3rd Nov 2025323 AMAQI
3rd Nov 2025324 AMAQI
3rd Nov 2025335 AMAQI
3rd Nov 2025346 AMAQI
9°C5/11°C
3rd Nov 2025337 AMAQI
3rd Nov 2025328 AMAQI
3rd Nov 2025389 AMAQI
3rd Nov 20254610 AMAQI
3rd Nov 20254411 AMAQI
3rd Nov 20254912 PMAQI
3rd Nov 2025571 PMAQI
3rd Nov 2025552 PMAQI
3rd Nov 2025573 PMAQI
3rd Nov 2025564 PMAQI
3rd Nov 2025535 PMAQI
3rd Nov 2025426 PMAQI
3rd Nov 2025487 PMAQI
3rd Nov 2025518 PMAQI
3rd Nov 2025739 PMAQI
3rd Nov 20257710 PMAQI
3rd Nov 20257811 PMAQI
4th Nov 20257612 AMAQI
4th Nov 2025751 AMAQI
4th Nov 2025772 AMAQI
4th Nov 2025743 AMAQI
4th Nov 2025694 AMAQI
4th Nov 2025695 AMAQI
4th Nov 2025666 AMAQI
8°C5/12°C
4th Nov 2025647 AMAQI
4th Nov 2025638 AMAQI
4th Nov 2025619 AMAQI
4th Nov 20256110 AMAQI
4th Nov 20256011 AMAQI
4th Nov 20256012 PMAQI
4th Nov 2025561 PMAQI
4th Nov 2025552 PMAQI
4th Nov 2025593 PMAQI
4th Nov 2025624 PMAQI
4th Nov 2025665 PMAQI
4th Nov 2025666 PMAQI
4th Nov 2025657 PMAQI
4th Nov 2025658 PMAQI
4th Nov 2025689 PMAQI
4th Nov 20256610 PMAQI
4th Nov 20256511 PMAQI
5th Nov 20256612 AMAQI
5th Nov 2025631 AMAQI
5th Nov 2025562 AMAQI
5th Nov 2025603 AMAQI
5th Nov 2025614 AMAQI
5th Nov 2025625 AMAQI
5th Nov 2025566 AMAQI
11°C8/14°C
5th Nov 2025567 AMAQI
5th Nov 2025578 AMAQI
5th Nov 2025629 AMAQI
5th Nov 20257010 AMAQI
5th Nov 20257411 AMAQI
5th Nov 20255812 PMAQI
5th Nov 2025571 PMAQI
5th Nov 2025562 PMAQI
5th Nov 2025643 PMAQI
5th Nov 2025664 PMAQI
5th Nov 2025675 PMAQI
5th Nov 2025676 PMAQI
5th Nov 2025707 PMAQI
5th Nov 2025788 PMAQI
5th Nov 2025809 PMAQI
5th Nov 20258310 PMAQI
5th Nov 20258611 PMAQI
6th Nov 20258812 AMAQI
6th Nov 2025841 AMAQI
6th Nov 2025822 AMAQI
6th Nov 2025793 AMAQI
6th Nov 2025794 AMAQI
6th Nov 2025705 AMAQI
6th Nov 2025696 AMAQI
13°C10/17°C
6th Nov 2025707 AMAQI
6th Nov 2025698 AMAQI
6th Nov 2025699 AMAQI
6th Nov 20257010 AMAQI
6th Nov 20257511 AMAQI
6th Nov 20258112 PMAQI
6th Nov 2025831 PMAQI
6th Nov 2025892 PMAQI
6th Nov 2025873 PMAQI
6th Nov 2025804 PMAQI
6th Nov 2025585 PMAQI
6th Nov 2025636 PMAQI
6th Nov 2025847 PMAQI
6th Nov 2025938 PMAQI
6th Nov 2025999 PMAQI
6th Nov 202510810 PMAQI
6th Nov 202510811 PMAQI
7th Nov 202510312 AMAQI
7th Nov 20251141 AMAQI
7th Nov 20251182 AMAQI
7th Nov 20251163 AMAQI
7th Nov 20251114 AMAQI
7th Nov 20251105 AMAQI
7th Nov 20251106 AMAQI
15°C12/19°C
7th Nov 20251067 AMAQI
7th Nov 20251038 AMAQI
7th Nov 20251049 AMAQI
7th Nov 202510210 AMAQI
7th Nov 202510611 AMAQI
7th Nov 20259612 PMAQI
7th Nov 2025881 PMAQI
7th Nov 2025842 PMAQI
7th Nov 2025743 PMAQI
7th Nov 2025774 PMAQI
7th Nov 2025765 PMAQI
7th Nov 20251006 PMAQI
7th Nov 20251047 PMAQI
7th Nov 2025918 PMAQI
7th Nov 2025949 PMAQI
7th Nov 20259710 PMAQI
7th Nov 20259011 PMAQI
8th Nov 20258412 AMAQI
8th Nov 2025821 AMAQI
8th Nov 2025752 AMAQI
8th Nov 2025683 AMAQI
8th Nov 2025644 AMAQI
8th Nov 2025645 AMAQI
8th Nov 2025666 AMAQI
16°C13/20°C
8th Nov 2025667 AMAQI
8th Nov 2025688 AMAQI
8th Nov 2025699 AMAQI
8th Nov 20256610 AMAQI
8th Nov 20256411 AMAQI
8th Nov 20255612 PMAQI
8th Nov 2025521 PMAQI
8th Nov 2025532 PMAQI
8th Nov 2025503 PMAQI
8th Nov 2025554 PMAQI
8th Nov 2025585 PMAQI
8th Nov 2025596 PMAQI
8th Nov 2025607 PMAQI
8th Nov 2025608 PMAQI
8th Nov 2025639 PMAQI
8th Nov 20256410 PMAQI
8th Nov 20256611 PMAQI
9th Nov 20257012 AMAQI
9th Nov 2025701 AMAQI
9th Nov 2025722 AMAQI
9th Nov 2025703 AMAQI
9th Nov 2025694 AMAQI
9th Nov 2025705 AMAQI
9th Nov 2025696 AMAQI
15°C13/17°C
9th Nov 2025637 AMAQI
9th Nov 2025578 AMAQI
9th Nov 2025599 AMAQI
9th Nov 20256110 AMAQI
9th Nov 20255711 AMAQI
9th Nov 20255812 PMAQI
9th Nov 2025561 PMAQI
9th Nov 2025672 PMAQI
9th Nov 2025683 PMAQI
9th Nov 2025694 PMAQI
9th Nov 2025675 PMAQI
9th Nov 2025776 PMAQI
9th Nov 2025707 PMAQI
9th Nov 2025738 PMAQI
9th Nov 2025759 PMAQI
9th Nov 20257610 PMAQI
9th Nov 20257811 PMAQI
10th Nov 20257512 AMAQI
10th Nov 2025751 AMAQI
10th Nov 2025382 AMAQI
10th Nov 2025223 AMAQI
10th Nov 2025214 AMAQI
10th Nov 2025205 AMAQI
10th Nov 2025226 AMAQI
14°C11/18°C
10th Nov 2025277 AMAQI
10th Nov 2025288 AMAQI
10th Nov 2025319 AMAQI
10th Nov 20252010 AMAQI
10th Nov 20251711 AMAQI
10th Nov 20251312 PMAQI
10th Nov 2025131 PMAQI
10th Nov 2025132 PMAQI
10th Nov 2025153 PMAQI
10th Nov 2025244 PMAQI
10th Nov 2025325 PMAQI
10th Nov 2025336 PMAQI
10th Nov 2025357 PMAQI
10th Nov 2025328 PMAQI
10th Nov 2025289 PMAQI
10th Nov 20252810 PMAQI
10th Nov 20254011 PMAQI
11th Nov 20253412 AMAQI
11th Nov 2025281 AMAQI
11th Nov 2025282 AMAQI
11th Nov 2025283 AMAQI
11th Nov 2025374 AMAQI
11th Nov 2025335 AMAQI
11th Nov 2025336 AMAQI
9°C7/11°C
11th Nov 2025337 AMAQI
11th Nov 2025398 AMAQI
11th Nov 2025409 AMAQI
11th Nov 20254110 AMAQI
11th Nov 20254111 AMAQI
11th Nov 20255012 PMAQI
11th Nov 2025491 PMAQI
11th Nov 2025352 PMAQI
11th Nov 2025363 PMAQI
11th Nov 2025484 PMAQI
11th Nov 2025495 PMAQI
11th Nov 2025426 PMAQI
11th Nov 2025377 PMAQI
11th Nov 2025398 PMAQI
11th Nov 2025409 PMAQI
11th Nov 20254610 PMAQI
11th Nov 20255211 PMAQI
12th Nov 20255312 AMAQI
12th Nov 2025591 AMAQI
12th Nov 2025572 AMAQI
12th Nov 2025573 AMAQI
12th Nov 2025544 AMAQI
12th Nov 2025545 AMAQI
12th Nov 2025546 AMAQI
10°C8/13°C
12th Nov 2025527 AMAQI
12th Nov 2025618 AMAQI
12th Nov 2025579 AMAQI
12th Nov 20255710 AMAQI
12th Nov 20255711 AMAQI
12th Nov 20256912 PMAQI
12th Nov 2025691 PMAQI
12th Nov 2025642 PMAQI
12th Nov 2025633 PMAQI
12th Nov 2025594 PMAQI
12th Nov 2025565 PMAQI
12th Nov 2025586 PMAQI
12th Nov 2025647 PMAQI
12th Nov 2025678 PMAQI
12th Nov 2025689 PMAQI
12th Nov 20257810 PMAQI
12th Nov 20258211 PMAQI
13th Nov 20257712 AMAQI
13th Nov 2025741 AMAQI
13th Nov 2025742 AMAQI
13th Nov 2025703 AMAQI
13th Nov 2025664 AMAQI
13th Nov 2025645 AMAQI
13th Nov 2025676 AMAQI
11°C8/14°C
13th Nov 2025767 AMAQI
13th Nov 2025868 AMAQI
13th Nov 2025889 AMAQI
13th Nov 20259410 AMAQI
13th Nov 20259511 AMAQI
13th Nov 20259012 PMAQI
13th Nov 2025911 PMAQI
13th Nov 2025962 PMAQI
13th Nov 20251073 PMAQI
13th Nov 2025824 PMAQI
13th Nov 2025715 PMAQI
13th Nov 2025736 PMAQI
13th Nov 2025747 PMAQI
13th Nov 2025718 PMAQI
13th Nov 2025699 PMAQI
13th Nov 20256410 PMAQI
13th Nov 20256111 PMAQI
14th Nov 20256212 AMAQI
14th Nov 2025631 AMAQI
14th Nov 2025632 AMAQI
14th Nov 2025643 AMAQI
14th Nov 2025634 AMAQI
14th Nov 2025615 AMAQI
14th Nov 2025586 AMAQI
12°C10/15°C
14th Nov 2025577 AMAQI
14th Nov 2025568 AMAQI
14th Nov 2025569 AMAQI
14th Nov 20255610 AMAQI
14th Nov 20255311 AMAQI
14th Nov 20254912 PMAQI
14th Nov 2025451 PMAQI
14th Nov 2025522 PMAQI
14th Nov 2025523 PMAQI
14th Nov 2025564 PMAQI
14th Nov 2025605 PMAQI
14th Nov 2025586 PMAQI
14th Nov 2025547 PMAQI
14th Nov 2025538 PMAQI
14th Nov 2025559 PMAQI
14th Nov 20255610 PMAQI
14th Nov 20255211 PMAQI
15th Nov 20256012 AMAQI
15th Nov 2025621 AMAQI
15th Nov 2025642 AMAQI
15th Nov 2025653 AMAQI
15th Nov 2025644 AMAQI
15th Nov 2025635 AMAQI
15th Nov 2025596 AMAQI
10°C9/13°C
15th Nov 2025627 AMAQI
15th Nov 2025588 AMAQI
15th Nov 2025639 AMAQI
15th Nov 20256510 AMAQI
15th Nov 20256611 AMAQI
15th Nov 20256512 PMAQI
15th Nov 2025651 PMAQI
15th Nov 2025632 PMAQI
15th Nov 2025643 PMAQI
15th Nov 2025644 PMAQI
15th Nov 2025605 PMAQI
15th Nov 2025566 PMAQI
15th Nov 2025677 PMAQI
15th Nov 2025738 PMAQI
15th Nov 2025749 PMAQI
15th Nov 20258910 PMAQI
15th Nov 20259211 PMAQI
16th Nov 20259512 AMAQI
16th Nov 2025941 AMAQI
16th Nov 2025982 AMAQI
16th Nov 2025953 AMAQI
16th Nov 2025914 AMAQI
16th Nov 2025845 AMAQI
16th Nov 2025806 AMAQI
11°C8/14°C
16th Nov 2025827 AMAQI
16th Nov 2025798 AMAQI
16th Nov 2025769 AMAQI
16th Nov 20257510 AMAQI
16th Nov 20257511 AMAQI
16th Nov 20257712 PMAQI
16th Nov 2025711 PMAQI
16th Nov 2025662 PMAQI
16th Nov 2025613 PMAQI
16th Nov 2025664 PMAQI
16th Nov 2025665 PMAQI
16th Nov 2025566 PMAQI
16th Nov 2025447 PMAQI
16th Nov 2025358 PMAQI
16th Nov 2025379 PMAQI
16th Nov 20255110 PMAQI
16th Nov 20255411 PMAQI
17th Nov 20256112 AMAQI
17th Nov 2025611 AMAQI
17th Nov 2025752 AMAQI
17th Nov 2025633 AMAQI
17th Nov 2025604 AMAQI
17th Nov 2025625 AMAQI
17th Nov 2025646 AMAQI
11°C8/15°C
17th Nov 2025557 AMAQI
17th Nov 2025378 AMAQI
17th Nov 2025369 AMAQI
17th Nov 20253510 AMAQI
17th Nov 20253911 AMAQI
17th Nov 20254012 PMAQI
17th Nov 2025471 PMAQI
17th Nov 2025482 PMAQI
17th Nov 2025443 PMAQI
17th Nov 2025424 PMAQI
17th Nov 2025395 PMAQI
17th Nov 2025366 PMAQI
17th Nov 2025397 PMAQI
17th Nov 2025338 PMAQI
17th Nov 2025329 PMAQI
17th Nov 20253910 PMAQI
17th Nov 20253711 PMAQI
18th Nov 20253712 AMAQI
18th Nov 2025331 AMAQI
18th Nov 2025372 AMAQI
18th Nov 2025373 AMAQI
18th Nov 2025404 AMAQI
18th Nov 2025445 AMAQI
18th Nov 2025396 AMAQI
4°C2/5°C
18th Nov 2025427 AMAQI
18th Nov 2025508 AMAQI
18th Nov 2025549 AMAQI
18th Nov 20255110 AMAQI
18th Nov 20254411 AMAQI
18th Nov 20254412 PMAQI
18th Nov 2025421 PMAQI
18th Nov 2025402 PMAQI
18th Nov 2025443 PMAQI
18th Nov 2025404 PMAQI
18th Nov 2025475 PMAQI
18th Nov 2025506 PMAQI
18th Nov 2025467 PMAQI
18th Nov 2025348 PMAQI
18th Nov 2025359 PMAQI
18th Nov 20254710 PMAQI
18th Nov 20254911 PMAQI
19th Nov 20255212 AMAQI
19th Nov 2025491 AMAQI
19th Nov 2025472 AMAQI
19th Nov 2025413 AMAQI
19th Nov 2025404 AMAQI
19th Nov 2025405 AMAQI
19th Nov 2025376 AMAQI
3°C1/5°C
19th Nov 2025227 AMAQI
19th Nov 2025228 AMAQI
19th Nov 2025419 AMAQI
19th Nov 20255410 AMAQI
19th Nov 20255411 AMAQI
19th Nov 20255712 PMAQI
19th Nov 2025611 PMAQI
19th Nov 2025642 PMAQI
19th Nov 2025683 PMAQI
19th Nov 2025684 PMAQI
19th Nov 2025675 PMAQI
19th Nov 2025606 PMAQI
19th Nov 2025607 PMAQI
19th Nov 2025608 PMAQI
19th Nov 2025609 PMAQI
19th Nov 20256510 PMAQI
19th Nov 20256811 PMAQI
20th Nov 20256612 AMAQI
20th Nov 2025661 AMAQI
20th Nov 2025682 AMAQI
20th Nov 2025693 AMAQI
20th Nov 2025694 AMAQI
20th Nov 2025715 AMAQI
20th Nov 2025816 AMAQI
4°C1/6°C
20th Nov 2025777 AMAQI
20th Nov 2025718 AMAQI
20th Nov 2025749 AMAQI
20th Nov 20257710 AMAQI
20th Nov 20258011 AMAQI
20th Nov 20258512 PMAQI
20th Nov 2025711 PMAQI
20th Nov 2025712 PMAQI
20th Nov 2025703 PMAQI
20th Nov 2025804 PMAQI
20th Nov 2025785 PMAQI
20th Nov 2025776 PMAQI
20th Nov 2025787 PMAQI
20th Nov 2025628 PMAQI
20th Nov 2025599 PMAQI
20th Nov 20254210 PMAQI
20th Nov 20254011 PMAQI
21st Nov 20253712 AMAQI
21st Nov 2025281 AMAQI
21st Nov 2025202 AMAQI
21st Nov 2025223 AMAQI
21st Nov 2025274 AMAQI
21st Nov 2025205 AMAQI
21st Nov 2025236 AMAQI
8°C5/12°C
21st Nov 2025217 AMAQI
21st Nov 2025198 AMAQI
21st Nov 2025339 AMAQI
21st Nov 20253010 AMAQI
21st Nov 20253111 AMAQI
21st Nov 20253512 PMAQI
21st Nov 2025491 PMAQI
21st Nov 2025342 PMAQI
21st Nov 2025283 PMAQI
21st Nov 2025284 PMAQI
21st Nov 2025285 PMAQI
21st Nov 2025266 PMAQI
21st Nov 2025317 PMAQI
21st Nov 2025188 PMAQI
21st Nov 2025199 PMAQI
21st Nov 20251910 PMAQI
21st Nov 20252611 PMAQI
22nd Nov 20252812 AMAQI
22nd Nov 2025321 AMAQI
22nd Nov 2025392 AMAQI
22nd Nov 2025493 AMAQI
22nd Nov 2025554 AMAQI
22nd Nov 2025565 AMAQI
22nd Nov 2025566 AMAQI
8°C4/13°C
22nd Nov 2025577 AMAQI
22nd Nov 2025578 AMAQI
22nd Nov 2025569 AMAQI
22nd Nov 20255710 AMAQI
22nd Nov 20256211 AMAQI
22nd Nov 20256612 PMAQI
22nd Nov 2025661 PMAQI
22nd Nov 2025672 PMAQI
22nd Nov 2025603 PMAQI
22nd Nov 2025604 PMAQI
22nd Nov 2025575 PMAQI
22nd Nov 2025646 PMAQI
22nd Nov 2025737 PMAQI
22nd Nov 2025768 PMAQI
22nd Nov 2025839 PMAQI
22nd Nov 20258910 PMAQI
22nd Nov 20258211 PMAQI
23rd Nov 20259212 AMAQI
23rd Nov 2025811 AMAQI
23rd Nov 2025762 AMAQI
23rd Nov 2025753 AMAQI
23rd Nov 2025754 AMAQI
23rd Nov 2025765 AMAQI
23rd Nov 2025766 AMAQI
10°C7/12°C
23rd Nov 2025797 AMAQI
23rd Nov 2025808 AMAQI
23rd Nov 2025789 AMAQI
23rd Nov 20257610 AMAQI
23rd Nov 20257311 AMAQI
23rd Nov 20256712 PMAQI
23rd Nov 2025621 PMAQI
23rd Nov 2025612 PMAQI
23rd Nov 2025543 PMAQI
23rd Nov 2025624 PMAQI
23rd Nov 2025615 PMAQI
23rd Nov 2025616 PMAQI
23rd Nov 2025657 PMAQI
23rd Nov 2025658 PMAQI
23rd Nov 2025739 PMAQI
23rd Nov 20257410 PMAQI
23rd Nov 20257511 PMAQI
24th Nov 20258012 AMAQI
24th Nov 2025891 AMAQI
24th Nov 2025882 AMAQI
24th Nov 2025923 AMAQI
24th Nov 2025974 AMAQI
24th Nov 20251065 AMAQI
24th Nov 20251026 AMAQI
10°C8/13°C
24th Nov 2025987 AMAQI
24th Nov 2025958 AMAQI
24th Nov 2025939 AMAQI
24th Nov 20259310 AMAQI
24th Nov 20259111 AMAQI
24th Nov 20258912 PMAQI
24th Nov 2025941 PMAQI
24th Nov 20251192 PMAQI
24th Nov 20251063 PMAQI
24th Nov 20251034 PMAQI
24th Nov 20251015 PMAQI
24th Nov 20251446 PMAQI
24th Nov 20251597 PMAQI
24th Nov 20251608 PMAQI
24th Nov 20251539 PMAQI
24th Nov 202514910 PMAQI
24th Nov 202515711 PMAQI
25th Nov 202515912 AMAQI
25th Nov 20251591 AMAQI
25th Nov 20251602 AMAQI
25th Nov 20251603 AMAQI
25th Nov 20251594 AMAQI
25th Nov 20251495 AMAQI
25th Nov 2025806 AMAQI
11°C10/15°C
25th Nov 20251647 AMAQI
25th Nov 20251648 AMAQI
25th Nov 20251569 AMAQI
25th Nov 202512210 AMAQI
25th Nov 202512011 AMAQI
25th Nov 202511912 PMAQI
25th Nov 20251541 PMAQI
25th Nov 20251562 PMAQI
25th Nov 20251503 PMAQI
25th Nov 20251474 PMAQI
25th Nov 20251485 PMAQI
25th Nov 20251126 PMAQI
25th Nov 20251157 PMAQI
25th Nov 20251188 PMAQI
25th Nov 20251249 PMAQI
25th Nov 202514010 PMAQI
25th Nov 202514811 PMAQI
26th Nov 202514612 AMAQI
26th Nov 20251481 AMAQI
26th Nov 20251512 AMAQI
26th Nov 20251523 AMAQI
26th Nov 20251514 AMAQI
26th Nov 20251485 AMAQI
26th Nov 20251446 AMAQI
8°C6/9°C
26th Nov 20251407 AMAQI
26th Nov 20251408 AMAQI
26th Nov 20251419 AMAQI
26th Nov 202513910 AMAQI
26th Nov 202513011 AMAQI
26th Nov 202511912 PMAQI
26th Nov 2025781 PMAQI
26th Nov 2025692 PMAQI
26th Nov 2025703 PMAQI
26th Nov 2025694 PMAQI
26th Nov 2025675 PMAQI
26th Nov 2025626 PMAQI
26th Nov 2025597 PMAQI
26th Nov 2025588 PMAQI
26th Nov 2025589 PMAQI
26th Nov 20255710 PMAQI
26th Nov 20255811 PMAQI
27th Nov 20255612 AMAQI
27th Nov 2025561 AMAQI
27th Nov 2025562 AMAQI
27th Nov 2025603 AMAQI
27th Nov 2025694 AMAQI
27th Nov 2025705 AMAQI
27th Nov 2025736 AMAQI
8°C7/11°C
27th Nov 2025647 AMAQI
27th Nov 2025588 AMAQI
27th Nov 2025559 AMAQI
27th Nov 20255610 AMAQI
27th Nov 20255611 AMAQI
27th Nov 20255612 PMAQI
27th Nov 2025561 PMAQI
27th Nov 2025592 PMAQI
27th Nov 2025603 PMAQI
27th Nov 2025414 PMAQI
27th Nov 2025415 PMAQI
27th Nov 2025566 PMAQI
27th Nov 2025637 PMAQI
27th Nov 2025658 PMAQI
27th Nov 2025659 PMAQI
27th Nov 20255810 PMAQI
27th Nov 20255311 PMAQI
28th Nov 20255112 AMAQI
28th Nov 2025491 AMAQI
28th Nov 2025452 AMAQI
28th Nov 2025383 AMAQI
28th Nov 2025354 AMAQI
28th Nov 2025385 AMAQI
28th Nov 2025486 AMAQI
--°C/°C
28th Nov 2025517 AMAQI
7 AM12 PM
5 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 5 PM
64AQI
11 hours / Day
330 hours / Month
Avg. Lowest Time
7 AM - 5 PM
64AQI
11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 5 PM (Avg. 64), while the lowest AQI was between 7 AM to 5 PM (Avg. 64).
Night time
Avg. Highest Time
12 AM - 5 AM
68AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
6 PM
62AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 68), while the lowest AQI was between 6 PM to 6 PM (Avg. 62).
2025 Days Vs Air Quality
Hosu Dong, Ansan, Gyeonggi, South Korea
2025
34%
113
61%
203
5%
15
Total number of days with different AQI categories in last 331 days in 2025 (34 days remaining)
Good
113 DaysModerate
203 DaysPoor
15 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 331 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Hosu 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
72AQI
72AQI
2nd January 2025
54AQI
54AQI
3rd January 2025
58AQI
58AQI
4th January 2025
58AQI
58AQI
5th January 2025
64AQI
64AQI
6th January 2025
91AQI
91AQI
7th January 2025
54AQI
54AQI
8th January 2025
66AQI
66AQI
9th January 2025
41AQI
41AQI
10th January 2025
50AQI
50AQI
11th January 2025
56AQI
56AQI
12th January 2025
74AQI
74AQI
13th January 2025
84AQI
84AQI
14th January 2025
97AQI
97AQI
15th January 2025
52AQI
52AQI
16th January 2025
75AQI
75AQI
17th January 2025
74AQI
74AQI
18th January 2025
78AQI
78AQI
19th January 2025
78AQI
78AQI
20th January 2025
127AQI
127AQI
21st January 2025
130AQI
130AQI
22nd January 2025
147AQI
147AQI
23rd January 2025
116AQI
116AQI
24th January 2025
110AQI
110AQI
25th January 2025
70AQI
70AQI
26th January 2025
57AQI
57AQI
27th January 2025
64AQI
64AQI
28th January 2025
58AQI
58AQI
29th January 2025
60AQI
60AQI
30th January 2025
50AQI
50AQI
31st January 2025
71AQI
71AQI
1st February 2025
77AQI
77AQI
2nd February 2025
91AQI
91AQI
3rd February 2025
52AQI
52AQI
4th February 2025
54AQI
54AQI
5th February 2025
43AQI
43AQI
6th February 2025
53AQI
53AQI
7th February 2025
46AQI
46AQI
8th February 2025
39AQI
39AQI
9th February 2025
45AQI
45AQI
10th February 2025
52AQI
52AQI
11th February 2025
68AQI
68AQI
12th February 2025
74AQI
74AQI
13th February 2025
49AQI
49AQI
14th February 2025
87AQI
87AQI
15th February 2025
56AQI
56AQI
16th February 2025
109AQI
109AQI
17th February 2025
49AQI
49AQI
18th February 2025
61AQI
61AQI
19th February 2025
45AQI
45AQI
20th February 2025
58AQI
58AQI
21st February 2025
54AQI
54AQI
22nd February 2025
58AQI
58AQI
23rd February 2025
53AQI
53AQI
24th February 2025
57AQI
57AQI
25th February 2025
54AQI
54AQI
26th February 2025
67AQI
67AQI
27th February 2025
59AQI
59AQI
28th February 2025
83AQI
83AQI
1st March 2025
93AQI
93AQI
2nd March 2025
76AQI
76AQI
3rd March 2025
55AQI
55AQI
4th March 2025
47AQI
47AQI
5th March 2025
36AQI
36AQI
6th March 2025
79AQI
79AQI
7th March 2025
93AQI
93AQI
8th March 2025
89AQI
89AQI
9th March 2025
96AQI
96AQI
10th March 2025
121AQI
121AQI
11th March 2025
107AQI
107AQI
12th March 2025
102AQI
102AQI
13th March 2025
94AQI
94AQI
14th March 2025
78AQI
78AQI
15th March 2025
59AQI
59AQI
16th March 2025
74AQI
74AQI
17th March 2025
65AQI
65AQI
18th March 2025
73AQI
73AQI
19th March 2025
82AQI
82AQI
20th March 2025
85AQI
85AQI
21st March 2025
95AQI
95AQI
22nd March 2025
100AQI
100AQI
23rd March 2025
105AQI
105AQI
24th March 2025
105AQI
105AQI
25th March 2025
121AQI
121AQI
26th March 2025
87AQI
87AQI
27th March 2025
87AQI
87AQI
28th March 2025
59AQI
59AQI
29th March 2025
47AQI
47AQI
30th March 2025
43AQI
43AQI
31st March 2025
59AQI
59AQI
1st April 2025
74AQI
74AQI
2nd April 2025
89AQI
89AQI
3rd April 2025
84AQI
84AQI
4th April 2025
81AQI
81AQI
5th April 2025
64AQI
64AQI
6th April 2025
63AQI
63AQI
7th April 2025
70AQI
70AQI
8th April 2025
74AQI
74AQI
9th April 2025
72AQI
72AQI
10th April 2025
80AQI
80AQI
11th April 2025
88AQI
88AQI
12th April 2025
68AQI
68AQI
13th April 2025
72AQI
72AQI
14th April 2025
47AQI
47AQI
15th April 2025
56AQI
56AQI
16th April 2025
59AQI
59AQI
17th April 2025
66AQI
66AQI
18th April 2025
72AQI
72AQI
19th April 2025
45AQI
45AQI
20th April 2025
61AQI
61AQI
21st April 2025
50AQI
50AQI
22nd April 2025
44AQI
44AQI
23rd April 2025
29AQI
29AQI
24th April 2025
64AQI
64AQI
25th April 2025
60AQI
60AQI
26th April 2025
52AQI
52AQI
27th April 2025
40AQI
40AQI
28th April 2025
57AQI
57AQI
29th April 2025
68AQI
68AQI
30th April 2025
55AQI
55AQI
1st May 2025
57AQI
57AQI
2nd May 2025
48AQI
48AQI
3rd May 2025
44AQI
44AQI
4th May 2025
44AQI
44AQI
5th May 2025
51AQI
51AQI
6th May 2025
39AQI
39AQI
7th May 2025
54AQI
54AQI
8th May 2025
59AQI
59AQI
9th May 2025
47AQI
47AQI
10th May 2025
56AQI
56AQI
11th May 2025
66AQI
66AQI
12th May 2025
69AQI
69AQI
13th May 2025
73AQI
73AQI
14th May 2025
70AQI
70AQI
15th May 2025
61AQI
61AQI
16th May 2025
53AQI
53AQI
17th May 2025
47AQI
47AQI
18th May 2025
55AQI
55AQI
19th May 2025
59AQI
59AQI
20th May 2025
35AQI
35AQI
21st May 2025
44AQI
44AQI
22nd May 2025
45AQI
45AQI
23rd May 2025
62AQI
62AQI
24th May 2025
48AQI
48AQI
25th May 2025
48AQI
48AQI
26th May 2025
63AQI
63AQI
27th May 2025
75AQI
75AQI
28th May 2025
81AQI
81AQI
29th May 2025
79AQI
79AQI
30th May 2025
85AQI
85AQI
31st May 2025
85AQI
85AQI
1st June 2025
82AQI
82AQI
2nd June 2025
90AQI
90AQI
3rd June 2025
72AQI
72AQI
4th June 2025
58AQI
58AQI
5th June 2025
58AQI
58AQI
6th June 2025
57AQI
57AQI
7th June 2025
65AQI
65AQI
8th June 2025
55AQI
55AQI
9th June 2025
62AQI
62AQI
10th June 2025
49AQI
49AQI
11th June 2025
54AQI
54AQI
12th June 2025
63AQI
63AQI
13th June 2025
72AQI
72AQI
14th June 2025
64AQI
64AQI
15th June 2025
56AQI
56AQI
16th June 2025
64AQI
64AQI
17th June 2025
64AQI
64AQI
18th June 2025
66AQI
66AQI
19th June 2025
64AQI
64AQI
20th June 2025
54AQI
54AQI
21st June 2025
57AQI
57AQI
22nd June 2025
63AQI
63AQI
23rd June 2025
69AQI
69AQI
24th June 2025
62AQI
62AQI
25th June 2025
53AQI
53AQI
26th June 2025
58AQI
58AQI
27th June 2025
64AQI
64AQI
28th June 2025
65AQI
65AQI
29th June 2025
54AQI
54AQI
30th June 2025
50AQI
50AQI
1st July 2025
47AQI
47AQI
2nd July 2025
49AQI
49AQI
3rd July 2025
54AQI
54AQI
4th July 2025
52AQI
52AQI
5th July 2025
49AQI
49AQI
6th July 2025
53AQI
53AQI
7th July 2025
63AQI
63AQI
8th July 2025
69AQI
69AQI
9th July 2025
56AQI
56AQI
10th July 2025
54AQI
54AQI
11th July 2025
51AQI
51AQI
12th July 2025
51AQI
51AQI
13th July 2025
60AQI
60AQI
14th July 2025
57AQI
57AQI
15th July 2025
47AQI
47AQI
16th July 2025
54AQI
54AQI
17th July 2025
44AQI
44AQI
18th July 2025
42AQI
42AQI
19th July 2025
34AQI
34AQI
20th July 2025
37AQI
37AQI
21st July 2025
41AQI
41AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
46AQI
46AQI
24th July 2025
50AQI
50AQI
25th July 2025
64AQI
64AQI
26th July 2025
55AQI
55AQI
27th July 2025
48AQI
48AQI
28th July 2025
64AQI
64AQI
29th July 2025
68AQI
68AQI
30th July 2025
71AQI
71AQI
31st July 2025
64AQI
64AQI
1st August 2025
60AQI
60AQI
2nd August 2025
61AQI
61AQI
3rd August 2025
62AQI
62AQI
4th August 2025
51AQI
51AQI
5th August 2025
51AQI
51AQI
6th August 2025
48AQI
48AQI
7th August 2025
50AQI
50AQI
8th August 2025
54AQI
54AQI
9th August 2025
56AQI
56AQI
10th August 2025
53AQI
53AQI
11th August 2025
58AQI
58AQI
12th August 2025
52AQI
52AQI
13th August 2025
42AQI
42AQI
14th August 2025
45AQI
45AQI
15th August 2025
42AQI
42AQI
16th August 2025
40AQI
40AQI
17th August 2025
42AQI
42AQI
18th August 2025
52AQI
52AQI
19th August 2025
48AQI
48AQI
20th August 2025
48AQI
48AQI
21st August 2025
50AQI
50AQI
22nd August 2025
49AQI
49AQI
23rd August 2025
51AQI
51AQI
24th August 2025
54AQI
54AQI
25th August 2025
51AQI
51AQI
26th August 2025
45AQI
45AQI
27th August 2025
50AQI
50AQI
28th August 2025
52AQI
52AQI
29th August 2025
47AQI
47AQI
30th August 2025
45AQI
45AQI
31st August 2025
49AQI
49AQI
1st September 2025
42AQI
42AQI
2nd September 2025
48AQI
48AQI
3rd September 2025
51AQI
51AQI
4th September 2025
38AQI
38AQI
5th September 2025
39AQI
39AQI
6th September 2025
41AQI
41AQI
7th September 2025
41AQI
41AQI
8th September 2025
48AQI
48AQI
9th September 2025
53AQI
53AQI
10th September 2025
50AQI
50AQI
11th September 2025
51AQI
51AQI
12th September 2025
49AQI
49AQI
13th September 2025
42AQI
42AQI
14th September 2025
45AQI
45AQI
15th September 2025
48AQI
48AQI
16th September 2025
43AQI
43AQI
17th September 2025
36AQI
36AQI
18th September 2025
31AQI
31AQI
19th September 2025
32AQI
32AQI
20th September 2025
26AQI
26AQI
21st September 2025
24AQI
24AQI
22nd September 2025
25AQI
25AQI
23rd September 2025
26AQI
26AQI
24th September 2025
31AQI
31AQI
25th September 2025
34AQI
34AQI
26th September 2025
53AQI
53AQI
27th September 2025
52AQI
52AQI
28th September 2025
39AQI
39AQI
29th September 2025
48AQI
48AQI
30th September 2025
57AQI
57AQI
1st October 2025
61AQI
61AQI
2nd October 2025
52AQI
52AQI
3rd October 2025
60AQI
60AQI
4th October 2025
41AQI
41AQI
5th October 2025
42AQI
42AQI
6th October 2025
33AQI
33AQI
7th October 2025
23AQI
23AQI
8th October 2025
39AQI
39AQI
9th October 2025
49AQI
49AQI
10th October 2025
43AQI
43AQI
11th October 2025
45AQI
45AQI
12th October 2025
28AQI
28AQI
13th October 2025
28AQI
28AQI
14th October 2025
28AQI
28AQI
15th October 2025
39AQI
39AQI
16th October 2025
41AQI
41AQI
17th October 2025
44AQI
44AQI
18th October 2025
53AQI
53AQI
19th October 2025
62AQI
62AQI
20th October 2025
57AQI
57AQI
21st October 2025
56AQI
56AQI
22nd October 2025
49AQI
49AQI
23rd October 2025
24AQI
24AQI
24th October 2025
31AQI
31AQI
25th October 2025
50AQI
50AQI
26th October 2025
64AQI
64AQI
27th October 2025
47AQI
47AQI
28th October 2025
32AQI
32AQI
29th October 2025
54AQI
54AQI
30th October 2025
72AQI
72AQI
31st October 2025
80AQI
80AQI
1st November 2025
53AQI
53AQI
2nd November 2025
35AQI
35AQI
3rd November 2025
47AQI
47AQI
4th November 2025
68AQI
68AQI
5th November 2025
66AQI
66AQI
6th November 2025
83AQI
83AQI
7th November 2025
100AQI
100AQI
8th November 2025
68AQI
68AQI
9th November 2025
69AQI
69AQI
10th November 2025
38AQI
38AQI
11th November 2025
40AQI
40AQI
12th November 2025
60AQI
60AQI
13th November 2025
76AQI
76AQI
14th November 2025
57AQI
57AQI
15th November 2025
65AQI
65AQI
16th November 2025
74AQI
74AQI
17th November 2025
49AQI
49AQI
18th November 2025
41AQI
41AQI
19th November 2025
53AQI
53AQI
20th November 2025
69AQI
69AQI
21st November 2025
29AQI
29AQI
22nd November 2025
56AQI
56AQI
23rd November 2025
75AQI
75AQI
24th November 2025
108AQI
108AQI
25th November 2025
143AQI
143AQI
26th November 2025
111AQI
111AQI
27th November 2025
60AQI
60AQI
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
75AQI
60AQI
81AQI
63AQI
58AQI
62AQI
53AQI
50AQI
41AQI
46AQI
66AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202560AQI
3
23
5
7
20
1
4
21
6
6
24
11
20
2
28
13
18
16
15
24
6
20
11
7
17
3
113
203
15
Highest AQI recorded in
March81AQI
Lowest AQI recorded in
September41AQI
202457AQI
11
15
5
12
11
5
1
7
21
3
6
24
17
14
13
17
24
7
11
20
24
6
17
14
10
20
6
25
158
194
13
1
Highest AQI recorded in
January69AQI
Lowest AQI recorded in
September41AQI
202360AQI
12
14
4
1
2
19
6
1
4
19
8
7
19
4
10
21
8
22
18
12
1
17
14
21
9
13
18
15
13
1
12
16
3
139
196
27
2
Highest AQI recorded in
February84AQI
Lowest AQI recorded in
September43AQI
202259AQI
4
20
5
2
4
11
4
2
12
16
3
8
21
1
15
16
23
7
8
15
1
21
6
1
18
12
1
9
18
2
11
19
1
134
161
18
4
Highest AQI recorded in
February81AQI
Lowest AQI recorded in
August32AQI
202163AQI
8
20
2
9
11
6
2
5
18
6
2
12
17
1
13
16
1
1
7
21
2
11
19
1
15
15
1
26
4
19
12
10
16
3
1
12
15
4
147
184
26
5
1
1
Highest AQI recorded in
March90AQI
Lowest AQI recorded in
September34AQI
202057AQI
4
8
1
5
16
6
12
7
23
19
10
2
18
13
20
10
16
14
1
12
12
6
9
15
6
1
116
133
16
1
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
September42AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
63AQILeast Polluted Year Recorded
2024(Avg.)
57AQIHosu Dong's annual 2025 AQI (60) shows an average percentage change of 1.05% (worsened AQI) compared to previous years: 2020 (57), 2021 (63), 2022 (59), 2023 (60), 2024 (57).
