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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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+

June Air Quality Analysis

Ansan, Gyeonggi, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
20th Jun 2024
96AQI
Lowest AQI recorded on
27th Jun 2022
20AQI

Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 64 of Moderate air quality, showing improvement over 2025 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026

Ansan, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM1st Jun 2026

7 PM

4 AM2nd Jun 2026

Day time
Avg. Highest Time
2PM1st Jun

67AQI

Avg. Lowest Time
7PM1st Jun

45AQI

Night time
Avg. Highest Time
3AM2nd Jun

60AQI

Avg. Lowest Time
8PM1st Jun

32AQI

In the last 24 hours,

Ansan's AQI reached its highest point of 67 at 2 PM during the Day, while the lowest point, 32, was recorded at 8 PM during the Night between 1st Jun and 2nd Jun 2026.

Day & Night AQI Trend : May - Jun 2026

Ansan, Gyeonggi, South Korea

MayJun
04th - 05th05th - 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
Day
Night
4th May 2026125 AMAQI
4th May 2026126 AMAQI
4th May 2026127 AMAQI
4th May 2026138 AMAQI
4th May 2026159 AMAQI
4th May 20261810 AMAQI
4th May 20262211 AMAQI
4th May 20262412 PMAQI
4th May 2026291 PMAQI
4th May 2026302 PMAQI
4th May 2026373 PMAQI
4th May 2026384 PMAQI
4th May 2026385 PMAQI
4th May 2026356 PMAQI
4th May 2026377 PMAQI
4th May 2026338 PMAQI
4th May 2026349 PMAQI
4th May 20263810 PMAQI
4th May 20264411 PMAQI
5th May 20264412 AMAQI
5th May 2026451 AMAQI
5th May 2026472 AMAQI
5th May 2026563 AMAQI
5th May 2026564 AMAQI

14°C9/18°C

5th May 2026625 AMAQI
5th May 2026646 AMAQI
5th May 2026707 AMAQI
5th May 2026798 AMAQI
5th May 2026709 AMAQI
5th May 20269010 AMAQI
5th May 20267011 AMAQI
5th May 20264812 PMAQI
5th May 2026471 PMAQI
5th May 2026272 PMAQI
5th May 2026253 PMAQI
5th May 2026264 PMAQI
5th May 2026265 PMAQI
5th May 2026226 PMAQI
5th May 2026187 PMAQI
5th May 2026178 PMAQI
5th May 2026169 PMAQI
5th May 20261810 PMAQI
5th May 20262311 PMAQI
6th May 20262612 AMAQI
6th May 2026361 AMAQI
6th May 2026372 AMAQI
6th May 2026353 AMAQI
6th May 2026344 AMAQI

14°C10/19°C

6th May 2026335 AMAQI
6th May 2026356 AMAQI
6th May 2026377 AMAQI
6th May 2026298 AMAQI
6th May 2026309 AMAQI
6th May 20263210 AMAQI
6th May 20263311 AMAQI
6th May 20264012 PMAQI
6th May 2026381 PMAQI
6th May 2026352 PMAQI
6th May 2026283 PMAQI
6th May 2026284 PMAQI
6th May 2026305 PMAQI
6th May 2026336 PMAQI
6th May 2026347 PMAQI
6th May 2026328 PMAQI
6th May 2026309 PMAQI
6th May 20263210 PMAQI
6th May 20263711 PMAQI
7th May 20263712 AMAQI
7th May 2026341 AMAQI
7th May 2026342 AMAQI
7th May 2026343 AMAQI
7th May 2026384 AMAQI

16°C12/20°C

7th May 2026515 AMAQI
7th May 2026546 AMAQI
7th May 2026577 AMAQI
7th May 2026538 AMAQI
7th May 2026529 AMAQI
7th May 20264010 AMAQI
7th May 20264111 AMAQI
7th May 20264712 PMAQI
7th May 2026461 PMAQI
7th May 2026462 PMAQI
7th May 2026463 PMAQI
7th May 2026434 PMAQI
7th May 2026385 PMAQI
7th May 2026366 PMAQI
7th May 2026227 PMAQI
7th May 2026208 PMAQI
7th May 2026259 PMAQI
7th May 20264010 PMAQI
7th May 20264611 PMAQI
8th May 20265512 AMAQI
8th May 2026541 AMAQI
8th May 2026732 AMAQI
8th May 2026663 AMAQI
8th May 2026514 AMAQI

14°C11/18°C

8th May 2026455 AMAQI
8th May 2026366 AMAQI
8th May 2026317 AMAQI
8th May 2026258 AMAQI
8th May 2026239 AMAQI
8th May 20262410 AMAQI
8th May 20262411 AMAQI
8th May 20262612 PMAQI
8th May 2026291 PMAQI
8th May 2026312 PMAQI
8th May 2026323 PMAQI
8th May 2026324 PMAQI
8th May 2026325 PMAQI
8th May 2026316 PMAQI
8th May 2026297 PMAQI
8th May 2026288 PMAQI
8th May 2026329 PMAQI
8th May 20263410 PMAQI
8th May 20263411 PMAQI
9th May 20263512 AMAQI
9th May 2026351 AMAQI
9th May 2026322 AMAQI
9th May 2026353 AMAQI
9th May 2026334 AMAQI

15°C11/19°C

9th May 2026325 AMAQI
9th May 2026326 AMAQI
9th May 2026377 AMAQI
9th May 2026418 AMAQI
9th May 2026429 AMAQI
9th May 20264010 AMAQI
9th May 20262211 AMAQI
9th May 20262112 PMAQI
9th May 2026181 PMAQI
9th May 2026192 PMAQI
9th May 2026183 PMAQI
9th May 2026214 PMAQI
9th May 2026205 PMAQI
9th May 2026216 PMAQI
9th May 2026187 PMAQI
9th May 2026188 PMAQI
9th May 2026269 PMAQI
9th May 20262510 PMAQI
9th May 20262211 PMAQI
10th May 20262712 AMAQI
10th May 2026291 AMAQI
10th May 2026362 AMAQI
10th May 2026383 AMAQI
10th May 2026394 AMAQI

16°C13/20°C

10th May 2026395 AMAQI
10th May 2026376 AMAQI
10th May 2026427 AMAQI
10th May 2026378 AMAQI
10th May 2026389 AMAQI
10th May 20263510 AMAQI
10th May 20263811 AMAQI
10th May 20263812 PMAQI
10th May 2026311 PMAQI
10th May 2026282 PMAQI
10th May 2026283 PMAQI
10th May 2026244 PMAQI
10th May 2026245 PMAQI
10th May 2026256 PMAQI
10th May 2026257 PMAQI
10th May 2026228 PMAQI
10th May 2026209 PMAQI
10th May 20261810 PMAQI
10th May 20261811 PMAQI
11th May 20261912 AMAQI
11th May 2026201 AMAQI
11th May 2026272 AMAQI
11th May 2026253 AMAQI
11th May 2026274 AMAQI

17°C13/22°C

11th May 2026255 AMAQI
11th May 2026276 AMAQI
11th May 2026387 AMAQI
11th May 2026398 AMAQI
11th May 2026409 AMAQI
11th May 20264810 AMAQI
11th May 20265111 AMAQI
11th May 20264012 PMAQI
11th May 2026391 PMAQI
11th May 2026382 PMAQI
11th May 2026373 PMAQI
11th May 2026354 PMAQI
11th May 2026325 PMAQI
11th May 2026346 PMAQI
11th May 2026347 PMAQI
11th May 2026298 PMAQI
11th May 2026319 PMAQI
11th May 20262510 PMAQI
11th May 20262511 PMAQI
12th May 20263312 AMAQI
12th May 2026301 AMAQI
12th May 2026422 AMAQI
12th May 2026483 AMAQI
12th May 2026574 AMAQI

16°C14/20°C

12th May 2026495 AMAQI
12th May 2026546 AMAQI
12th May 2026557 AMAQI
12th May 2026428 AMAQI
12th May 2026449 AMAQI
12th May 20265410 AMAQI
12th May 20263011 AMAQI
12th May 20262712 PMAQI
12th May 2026221 PMAQI
12th May 2026262 PMAQI
12th May 2026313 PMAQI
12th May 2026284 PMAQI
12th May 2026395 PMAQI
12th May 2026376 PMAQI
12th May 2026377 PMAQI
12th May 2026328 PMAQI
12th May 2026259 PMAQI
12th May 20262410 PMAQI
12th May 20262411 PMAQI
13th May 20264512 AMAQI
13th May 2026451 AMAQI
13th May 2026522 AMAQI
13th May 2026623 AMAQI
13th May 2026634 AMAQI

16°C14/20°C

13th May 2026665 AMAQI
13th May 2026616 AMAQI
13th May 2026507 AMAQI
13th May 2026508 AMAQI
13th May 2026569 AMAQI
13th May 20265910 AMAQI
13th May 20265711 AMAQI
13th May 20264812 PMAQI
13th May 2026491 PMAQI
13th May 2026522 PMAQI
13th May 2026543 PMAQI
13th May 2026254 PMAQI
13th May 2026195 PMAQI
13th May 2026216 PMAQI
13th May 2026287 PMAQI
13th May 2026238 PMAQI
13th May 2026239 PMAQI
13th May 20263110 PMAQI
13th May 20263411 PMAQI
14th May 20263612 AMAQI
14th May 2026341 AMAQI
14th May 2026342 AMAQI
14th May 2026423 AMAQI
14th May 2026524 AMAQI

19°C14/23°C

14th May 2026565 AMAQI
14th May 2026566 AMAQI
14th May 2026597 AMAQI
14th May 2026618 AMAQI
14th May 2026379 AMAQI
14th May 20267710 AMAQI
14th May 20266911 AMAQI
14th May 20266212 PMAQI
14th May 2026491 PMAQI
14th May 2026502 PMAQI
14th May 2026563 PMAQI
14th May 2026634 PMAQI
14th May 2026735 PMAQI
14th May 2026846 PMAQI
14th May 2026817 PMAQI
14th May 2026818 PMAQI
14th May 2026839 PMAQI
14th May 20268610 PMAQI
14th May 20268711 PMAQI
15th May 20269612 AMAQI
15th May 2026981 AMAQI
15th May 20261032 AMAQI
15th May 20261093 AMAQI
15th May 20261134 AMAQI

22°C17/28°C

15th May 20261095 AMAQI
15th May 2026986 AMAQI
15th May 20261007 AMAQI
15th May 20261108 AMAQI
15th May 20261089 AMAQI
15th May 202610210 AMAQI
15th May 20268311 AMAQI
15th May 20266712 PMAQI
15th May 2026491 PMAQI
15th May 2026542 PMAQI
15th May 2026623 PMAQI
15th May 2026664 PMAQI
15th May 2026545 PMAQI
15th May 2026516 PMAQI
15th May 2026487 PMAQI
15th May 2026478 PMAQI
15th May 2026479 PMAQI
15th May 20265010 PMAQI
15th May 20265011 PMAQI
16th May 20267212 AMAQI
16th May 2026871 AMAQI
16th May 2026792 AMAQI
16th May 2026833 AMAQI
16th May 2026764 AMAQI

23°C18/28°C

16th May 2026725 AMAQI
16th May 2026696 AMAQI
16th May 2026717 AMAQI
16th May 2026828 AMAQI
16th May 2026839 AMAQI
16th May 20267110 AMAQI
16th May 20267911 AMAQI
16th May 20267912 PMAQI
16th May 2026871 PMAQI
16th May 2026822 PMAQI
16th May 2026853 PMAQI
16th May 2026854 PMAQI
16th May 2026745 PMAQI
16th May 2026676 PMAQI
16th May 2026697 PMAQI
16th May 2026718 PMAQI
16th May 2026759 PMAQI
16th May 20267810 PMAQI
16th May 20268511 PMAQI
17th May 20267512 AMAQI
17th May 2026681 AMAQI
17th May 2026772 AMAQI
17th May 2026773 AMAQI
17th May 2026744 AMAQI

22°C18/27°C

17th May 2026765 AMAQI
17th May 2026746 AMAQI
17th May 2026727 AMAQI
17th May 2026708 AMAQI
17th May 2026669 AMAQI
17th May 20265710 AMAQI
17th May 20265911 AMAQI
17th May 20266112 PMAQI
17th May 2026751 PMAQI
17th May 2026682 PMAQI
17th May 2026603 PMAQI
17th May 2026604 PMAQI
17th May 2026645 PMAQI
17th May 2026596 PMAQI
17th May 2026587 PMAQI
17th May 2026548 PMAQI
17th May 2026539 PMAQI
17th May 20265910 PMAQI
17th May 20265211 PMAQI
18th May 20265512 AMAQI
18th May 2026651 AMAQI
18th May 2026592 AMAQI
18th May 2026543 AMAQI
18th May 2026594 AMAQI

21°C18/25°C

18th May 2026645 AMAQI
18th May 2026606 AMAQI
18th May 2026677 AMAQI
18th May 2026638 AMAQI
18th May 2026619 AMAQI
18th May 20266610 AMAQI
18th May 20266311 AMAQI
18th May 20266012 PMAQI
18th May 2026501 PMAQI
18th May 2026472 PMAQI
18th May 2026453 PMAQI
18th May 2026494 PMAQI
18th May 2026495 PMAQI
18th May 2026486 PMAQI
18th May 2026487 PMAQI
18th May 2026498 PMAQI
18th May 2026519 PMAQI
18th May 20265310 PMAQI
18th May 20265411 PMAQI
19th May 20265512 AMAQI
19th May 2026591 AMAQI
19th May 2026562 AMAQI
19th May 2026553 AMAQI
19th May 2026534 AMAQI

22°C19/26°C

19th May 2026525 AMAQI
19th May 2026516 AMAQI
19th May 2026497 AMAQI
19th May 2026548 AMAQI
19th May 2026579 AMAQI
19th May 20265710 AMAQI
19th May 20265611 AMAQI
19th May 20264412 PMAQI
19th May 2026411 PMAQI
19th May 2026432 PMAQI
19th May 2026413 PMAQI
19th May 2026434 PMAQI
19th May 2026435 PMAQI
19th May 2026476 PMAQI
19th May 2026527 PMAQI
19th May 2026588 PMAQI
19th May 2026649 PMAQI
19th May 20266610 PMAQI
19th May 20266911 PMAQI
20th May 20266812 AMAQI
20th May 2026721 AMAQI
20th May 2026722 AMAQI
20th May 2026763 AMAQI
20th May 2026754 AMAQI

22°C19/24°C

20th May 2026775 AMAQI
20th May 2026836 AMAQI
20th May 2026797 AMAQI
20th May 2026778 AMAQI
20th May 2026569 AMAQI
20th May 20264810 AMAQI
20th May 20264411 AMAQI
20th May 20264412 PMAQI
20th May 2026441 PMAQI
20th May 2026482 PMAQI
20th May 2026523 PMAQI
20th May 2026604 PMAQI
20th May 2026625 PMAQI
20th May 2026616 PMAQI
20th May 2026617 PMAQI
20th May 2026648 PMAQI
20th May 2026639 PMAQI
20th May 20266610 PMAQI
20th May 20267111 PMAQI
21st May 20266712 AMAQI
21st May 2026681 AMAQI
21st May 2026672 AMAQI
21st May 2026593 AMAQI
21st May 2026404 AMAQI

18°C15/20°C

21st May 2026445 AMAQI
21st May 2026386 AMAQI
21st May 2026627 AMAQI
21st May 2026698 AMAQI
21st May 2026789 AMAQI
21st May 20267110 AMAQI
21st May 20267011 AMAQI
21st May 20267012 PMAQI
21st May 2026701 PMAQI
21st May 2026702 PMAQI
21st May 2026763 PMAQI
21st May 2026774 PMAQI
21st May 2026735 PMAQI
21st May 2026776 PMAQI
21st May 2026737 PMAQI
21st May 2026718 PMAQI
21st May 2026729 PMAQI
21st May 20267110 PMAQI
21st May 20267211 PMAQI
22nd May 20266912 AMAQI
22nd May 2026801 AMAQI
22nd May 2026762 AMAQI
22nd May 2026753 AMAQI
22nd May 2026814 AMAQI

16°C15/17°C

22nd May 2026805 AMAQI
22nd May 2026786 AMAQI
22nd May 2026737 AMAQI
22nd May 2026728 AMAQI
22nd May 2026699 AMAQI
22nd May 20267210 AMAQI
22nd May 20267711 AMAQI
22nd May 20267712 PMAQI
22nd May 2026771 PMAQI
22nd May 2026772 PMAQI
22nd May 2026773 PMAQI
22nd May 2026774 PMAQI
22nd May 2026775 PMAQI
22nd May 2026776 PMAQI
22nd May 2026777 PMAQI
22nd May 2026748 PMAQI
22nd May 2026759 PMAQI
22nd May 20268510 PMAQI
22nd May 20268611 PMAQI
23rd May 20268112 AMAQI
23rd May 2026831 AMAQI
23rd May 2026822 AMAQI
23rd May 2026833 AMAQI
23rd May 2026944 AMAQI

19°C15/24°C

23rd May 2026765 AMAQI
23rd May 2026686 AMAQI
23rd May 2026707 AMAQI
23rd May 2026688 AMAQI
23rd May 2026709 AMAQI
23rd May 20266910 AMAQI
23rd May 20266911 AMAQI
23rd May 20266912 PMAQI
23rd May 2026691 PMAQI
23rd May 2026692 PMAQI
23rd May 2026693 PMAQI
23rd May 2026654 PMAQI
23rd May 2026645 PMAQI
23rd May 2026666 PMAQI
23rd May 2026667 PMAQI
23rd May 2026678 PMAQI
23rd May 2026659 PMAQI
23rd May 20266310 PMAQI
23rd May 20267611 PMAQI
24th May 20268012 AMAQI
24th May 2026711 AMAQI
24th May 2026752 AMAQI
24th May 2026793 AMAQI
24th May 2026794 AMAQI

17°C15/20°C

24th May 2026815 AMAQI
24th May 2026776 AMAQI
24th May 2026777 AMAQI
24th May 2026758 AMAQI
24th May 2026769 AMAQI
24th May 20266610 AMAQI
24th May 20266511 AMAQI
24th May 20266512 PMAQI
24th May 2026651 PMAQI
24th May 2026652 PMAQI
24th May 2026663 PMAQI
24th May 2026644 PMAQI
24th May 2026645 PMAQI
24th May 2026646 PMAQI
24th May 2026627 PMAQI
24th May 2026608 PMAQI
24th May 2026659 PMAQI
24th May 20267310 PMAQI
24th May 20267511 PMAQI
25th May 20266612 AMAQI
25th May 2026681 AMAQI
25th May 2026742 AMAQI
25th May 2026703 AMAQI
25th May 2026654 AMAQI

21°C17/26°C

25th May 2026655 AMAQI
25th May 2026666 AMAQI
25th May 2026707 AMAQI
25th May 2026708 AMAQI
25th May 2026739 AMAQI
25th May 20266510 AMAQI
25th May 20266611 AMAQI
25th May 20266612 PMAQI
25th May 2026661 PMAQI
25th May 2026662 PMAQI
25th May 2026593 PMAQI
25th May 2026574 PMAQI
25th May 2026575 PMAQI
25th May 2026546 PMAQI
25th May 2026577 PMAQI
25th May 2026608 PMAQI
25th May 2026749 PMAQI
25th May 20266710 PMAQI
25th May 20266211 PMAQI
26th May 20265912 AMAQI
26th May 2026531 AMAQI
26th May 2026552 AMAQI
26th May 2026503 AMAQI
26th May 2026494 AMAQI

24°C19/28°C

26th May 2026475 AMAQI
26th May 2026516 AMAQI
26th May 2026507 AMAQI
26th May 2026508 AMAQI
26th May 2026489 AMAQI
26th May 20265110 AMAQI
26th May 20265311 AMAQI
26th May 20265312 PMAQI
26th May 2026561 PMAQI
26th May 2026662 PMAQI
26th May 2026663 PMAQI
26th May 2026644 PMAQI
26th May 2026225 PMAQI
26th May 2026226 PMAQI
26th May 2026207 PMAQI
26th May 2026228 PMAQI
26th May 2026569 PMAQI
26th May 20264810 PMAQI
26th May 20264811 PMAQI
27th May 20264412 AMAQI
27th May 2026451 AMAQI
27th May 2026482 AMAQI
27th May 2026473 AMAQI
27th May 2026484 AMAQI

24°C21/27°C

27th May 2026445 AMAQI
27th May 2026356 AMAQI
27th May 2026357 AMAQI
27th May 2026388 AMAQI
27th May 2026389 AMAQI
27th May 20263410 AMAQI
27th May 20262811 AMAQI
27th May 20262812 PMAQI
27th May 2026251 PMAQI
27th May 2026262 PMAQI
27th May 2026273 PMAQI
27th May 2026254 PMAQI
27th May 2026225 PMAQI
27th May 2026216 PMAQI
27th May 2026217 PMAQI
27th May 2026238 PMAQI
27th May 2026259 PMAQI
27th May 20263210 PMAQI
27th May 20264111 PMAQI
28th May 20263912 AMAQI
28th May 2026341 AMAQI
28th May 2026352 AMAQI
28th May 2026403 AMAQI
28th May 2026364 AMAQI

21°C20/25°C

28th May 2026305 AMAQI
28th May 2026326 AMAQI
28th May 2026317 AMAQI
28th May 2026358 AMAQI
28th May 2026399 AMAQI
28th May 20264010 AMAQI
28th May 20263911 AMAQI
28th May 20263812 PMAQI
28th May 2026371 PMAQI
28th May 2026412 PMAQI
28th May 2026413 PMAQI
28th May 2026404 PMAQI
28th May 2026395 PMAQI
28th May 2026366 PMAQI
28th May 2026317 PMAQI
28th May 2026308 PMAQI
28th May 2026269 PMAQI
28th May 20262910 PMAQI
28th May 20264011 PMAQI
29th May 20264112 AMAQI
29th May 2026411 AMAQI
29th May 2026542 AMAQI
29th May 2026683 AMAQI
29th May 2026614 AMAQI

20°C17/24°C

29th May 2026435 AMAQI
29th May 2026656 AMAQI
29th May 2026647 AMAQI
29th May 2026698 AMAQI
29th May 2026709 AMAQI
29th May 20267710 AMAQI
29th May 20267811 AMAQI
29th May 20267112 PMAQI
29th May 2026721 PMAQI
29th May 2026872 PMAQI
29th May 2026813 PMAQI
29th May 2026614 PMAQI
29th May 2026545 PMAQI
29th May 2026406 PMAQI
29th May 2026327 PMAQI
29th May 2026348 PMAQI
29th May 2026469 PMAQI
29th May 20264810 PMAQI
29th May 20264811 PMAQI
30th May 20265612 AMAQI
30th May 2026601 AMAQI
30th May 2026692 AMAQI
30th May 2026743 AMAQI
30th May 2026724 AMAQI

21°C16/26°C

30th May 2026725 AMAQI
30th May 2026736 AMAQI
30th May 2026757 AMAQI
30th May 2026788 AMAQI
30th May 2026799 AMAQI
30th May 20268410 AMAQI
30th May 20268811 AMAQI
30th May 20268012 PMAQI
30th May 2026711 PMAQI
30th May 2026612 PMAQI
30th May 2026503 PMAQI
30th May 2026434 PMAQI
30th May 2026445 PMAQI
30th May 2026446 PMAQI
30th May 2026467 PMAQI
30th May 2026488 PMAQI
30th May 2026529 PMAQI
30th May 20265610 PMAQI
30th May 20265811 PMAQI
31st May 20266212 AMAQI
31st May 2026671 AMAQI
31st May 2026692 AMAQI
31st May 2026733 AMAQI
31st May 2026764 AMAQI

21°C17/26°C

31st May 2026805 AMAQI
31st May 2026786 AMAQI
31st May 2026777 AMAQI
31st May 2026728 AMAQI
31st May 2026729 AMAQI
31st May 20267310 AMAQI
31st May 20266111 AMAQI
31st May 20265812 PMAQI
31st May 2026521 PMAQI
31st May 2026412 PMAQI
31st May 2026413 PMAQI
31st May 2026324 PMAQI
31st May 2026295 PMAQI
31st May 2026306 PMAQI
31st May 2026227 PMAQI
31st May 2026198 PMAQI
31st May 2026289 PMAQI
31st May 20263410 PMAQI
31st May 20264711 PMAQI
1st Jun 20265012 AMAQI
1st Jun 2026531 AMAQI
1st Jun 2026572 AMAQI
1st Jun 2026573 AMAQI
1st Jun 2026544 AMAQI

23°C19/28°C

1st Jun 2026555 AMAQI
1st Jun 2026576 AMAQI
1st Jun 2026597 AMAQI
1st Jun 2026628 AMAQI
1st Jun 2026659 AMAQI
1st Jun 20266310 AMAQI
1st Jun 20266611 AMAQI
1st Jun 20266212 PMAQI
1st Jun 2026631 PMAQI
1st Jun 2026672 PMAQI
1st Jun 2026643 PMAQI
1st Jun 2026604 PMAQI
1st Jun 2026545 PMAQI
1st Jun 2026476 PMAQI
1st Jun 2026457 PMAQI
1st Jun 2026328 PMAQI
1st Jun 2026439 PMAQI
1st Jun 20264510 PMAQI
1st Jun 20264411 PMAQI
2nd Jun 20264812 AMAQI
2nd Jun 2026531 AMAQI
2nd Jun 2026592 AMAQI
2nd Jun 2026603 AMAQI
2nd Jun 2026564 AMAQI

23°C21/26°C

2nd Jun 2026575 AMAQI
5 AM
2nd Jun 2026526 AMAQI
2nd Jun 2026527 AMAQI
2nd Jun 2026638 AMAQI
2nd Jun 2026689 AMAQI
2nd Jun 20267210 AMAQI
2nd Jun 20267511 AMAQI
2nd Jun 20266812 PMAQI
12 PM
2nd Jun 2026631 PMAQI
2nd Jun 2026702 PMAQI
2nd Jun 2026733 PMAQI
2nd Jun 2026704 PMAQI
2nd Jun 2026715 PMAQI
2nd Jun 2026816 PMAQI
2nd Jun 2026757 PMAQI
7 PM
2nd Jun 2026618 PMAQI
2nd Jun 2026639 PMAQI
2nd Jun 20266510 PMAQI
2nd Jun 20266611 PMAQI
12 AM
4 AM

24°C20/28°C

Day time
Avg. Highest Time
10 AM

59AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
7 PM

44AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 59), while the lowest AQI was between 7 PM to 7 PM (Avg. 44).
Night time
Avg. Highest Time
3 AM - 4 AM

58AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
8 PM

43AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 58), while the lowest AQI was between 8 PM to 8 PM (Avg. 43).

2026 Days Vs Air Quality

Ansan, Gyeonggi, South Korea

2026

38%

57

49%

74

13%

19

Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)

Good
57 Days
Moderate
74 Days
Poor
19 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 38%

Health Risk Level:

High

In 2026, 38% of 153 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

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
25AQI (US)
2nd January 2026
39AQI (US)
3rd January 2026
56AQI (US)
4th January 2026
81AQI (US)
5th January 2026
55AQI (US)
6th January 2026
58AQI (US)
7th January 2026
59AQI (US)
8th January 2026
27AQI (US)
9th January 2026
45AQI (US)
10th January 2026
60AQI (US)
11th January 2026
30AQI (US)
12th January 2026
40AQI (US)
13th January 2026
42AQI (US)
14th January 2026
34AQI (US)
15th January 2026
85AQI (US)
16th January 2026
124AQI (US)
17th January 2026
121AQI (US)
18th January 2026
87AQI (US)
19th January 2026
62AQI (US)
20th January 2026
36AQI (US)
21st January 2026
37AQI (US)
22nd January 2026
27AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
49AQI (US)
25th January 2026
28AQI (US)
26th January 2026
52AQI (US)
27th January 2026
58AQI (US)
28th January 2026
34AQI (US)
29th January 2026
44AQI (US)
30th January 2026
60AQI (US)
31st January 2026
60AQI (US)
1st February 2026
64AQI (US)
2nd February 2026
71AQI (US)
3rd February 2026
55AQI (US)
4th February 2026
113AQI (US)
5th February 2026
124AQI (US)
6th February 2026
63AQI (US)
7th February 2026
35AQI (US)
8th February 2026
49AQI (US)
9th February 2026
44AQI (US)
10th February 2026
89AQI (US)
11th February 2026
113AQI (US)
12th February 2026
113AQI (US)
13th February 2026
135AQI (US)
14th February 2026
141AQI (US)
15th February 2026
108AQI (US)
16th February 2026
47AQI (US)
17th February 2026
45AQI (US)
18th February 2026
47AQI (US)
19th February 2026
44AQI (US)
20th February 2026
78AQI (US)
21st February 2026
94AQI (US)
22nd February 2026
50AQI (US)
23rd February 2026
29AQI (US)
24th February 2026
35AQI (US)
25th February 2026
58AQI (US)
26th February 2026
45AQI (US)
27th February 2026
27AQI (US)
28th February 2026
41AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
15AQI (US)
3rd March 2026
22AQI (US)
4th March 2026
68AQI (US)
5th March 2026
98AQI (US)
6th March 2026
72AQI (US)
7th March 2026
47AQI (US)
8th March 2026
55AQI (US)
9th March 2026
96AQI (US)
10th March 2026
87AQI (US)
11th March 2026
88AQI (US)
12th March 2026
108AQI (US)
13th March 2026
46AQI (US)
14th March 2026
56AQI (US)
15th March 2026
92AQI (US)
16th March 2026
131AQI (US)
17th March 2026
145AQI (US)
18th March 2026
109AQI (US)
19th March 2026
46AQI (US)
20th March 2026
57AQI (US)
21st March 2026
96AQI (US)
22nd March 2026
91AQI (US)
23rd March 2026
115AQI (US)
24th March 2026
107AQI (US)
25th March 2026
91AQI (US)
26th March 2026
94AQI (US)
27th March 2026
118AQI (US)
28th March 2026
95AQI (US)
29th March 2026
98AQI (US)
30th March 2026
89AQI (US)
31st March 2026
65AQI (US)
1st April 2026
77AQI (US)
2nd April 2026
97AQI (US)
3rd April 2026
122AQI (US)
4th April 2026
54AQI (US)
5th April 2026
78AQI (US)
6th April 2026
55AQI (US)
7th April 2026
26AQI (US)
8th April 2026
48AQI (US)
9th April 2026
41AQI (US)
10th April 2026
39AQI (US)
11th April 2026
75AQI (US)
12th April 2026
76AQI (US)
13th April 2026
73AQI (US)
14th April 2026
91AQI (US)
15th April 2026
127AQI (US)
16th April 2026
59AQI (US)
17th April 2026
18th April 2026
54AQI (US)
19th April 2026
70AQI (US)
20th April 2026
63AQI (US)
21st April 2026
67AQI (US)
22nd April 2026
23rd April 2026
47AQI (US)
24th April 2026
40AQI (US)
25th April 2026
61AQI (US)
26th April 2026
60AQI (US)
27th April 2026
48AQI (US)
28th April 2026
36AQI (US)
29th April 2026
45AQI (US)
30th April 2026
51AQI (US)
1st May 2026
48AQI (US)
2nd May 2026
107AQI (US)
3rd May 2026
48AQI (US)
4th May 2026
26AQI (US)
5th May 2026
44AQI (US)
6th May 2026
33AQI (US)
7th May 2026
41AQI (US)
8th May 2026
37AQI (US)
9th May 2026
10th May 2026
31AQI (US)
11th May 2026
33AQI (US)
12th May 2026
37AQI (US)
13th May 2026
45AQI (US)
14th May 2026
61AQI (US)
15th May 2026
78AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
77AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
70AQI (US)
25th May 2026
65AQI (US)
26th May 2026
48AQI (US)
27th May 2026
33AQI (US)
28th May 2026
36AQI (US)
29th May 2026
59AQI (US)
30th May 2026
64AQI (US)
31st May 2026
54AQI (US)
1st June 2026
55AQI (US)
2nd June 2026
64AQI (US)
3rd June 2026
4th June 2026
5th June 2026
6th June 2026
7th June 2026
8th June 2026
9th June 2026
10th June 2026
11th June 2026
12th June 2026
13th June 2026
14th June 2026
15th June 2026
16th June 2026
17th June 2026
18th June 2026
19th June 2026
20th June 2026
21st June 2026
22nd June 2026
23rd June 2026
24th June 2026
25th June 2026
26th June 2026
27th June 2026
28th June 2026
29th June 2026
30th June 2026
1st July 2026
2nd July 2026
3rd July 2026
4th July 2026
5th July 2026
6th July 2026
7th July 2026
8th July 2026
9th July 2026
10th July 2026
11th July 2026
12th July 2026
13th July 2026
14th July 2026
15th July 2026
16th July 2026
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
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

54AQI (US)

70AQI (US)

82AQI (US)

64AQI (US)

54AQI (US)

60AQI (US)

No. of days

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

202665AQI (US)

15
14
2
13
8
7
6
18
7
9
17
2
14
15
1
2
57
74
19

Highest AQI (US) recorded in

March

82AQI (US)

Lowest AQI (US) recorded in

May

54AQI (US)

202562AQI (US)

3
23
5
6
21
1
4
17
10
5
25
8
23
1
29
10
21
16
15
23
7
20
11
7
19
4
9
20
2
112
231
22

Highest AQI (US) recorded in

March

84AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202462AQI (US)

10
15
6
10
12
6
1
6
21
2
2
2
25
3
10
21
6
24
23
7
1
10
21
23
7
14
16
1
9
21
7
24
130
214
19
3

Highest AQI (US) recorded in

January

78AQI (US)

Lowest AQI (US) recorded in

September

42AQI (US)

202368AQI (US)

7
16
6
2
2
19
5
2
2
16
13
5
20
4
1
5
24
2
5
25
14
16
1
15
16
16
14
11
19
1
12
15
2
11
16
4
105
216
38
5

Highest AQI (US) recorded in

March

93AQI (US)

Lowest AQI (US) recorded in

September

49AQI (US)

202267AQI (US)

2
19
7
2
4
12
4
2
6
18
7
7
18
5
7
22
2
18
12
6
19
3
1
18
9
2
17
11
3
5
18
6
1
8
21
2
101
180
38
5

Highest AQI (US) recorded in

January

87AQI (US)

Lowest AQI (US) recorded in

August

34AQI (US)

202168AQI (US)

8
19
3
7
13
6
2
4
16
8
2
1
8
19
3
11
17
1
2
6
22
2
11
19
1
18
13
25
5
13
18
6
18
4
2
8
13
10
125
192
38
6
1
2

Highest AQI (US) recorded in

March

99AQI (US)

Lowest AQI (US) recorded in

September

39AQI (US)

202061AQI (US)

3
9
1
5
16
6
12
6
23
1
16
13
2
17
14
21
9
12
16
3
9
13
8
7
16
7
1
102
141
22
1

Highest AQI (US) recorded in

December

79AQI (US)

Lowest AQI (US) recorded in

September

44AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
68AQI (US)
Least Polluted Year Recorded
2020(Avg.)
61AQI (US)

Ansan's annual 2026 AQI (US) (65) shows an average percentage change of 0.7% (worsened AQI (US)) compared to previous years: 2020 (61), 2021 (68), 2022 (67), 2023 (68), 2024 (62), 2025 (62).