Samsan, Bucheon, 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
Samsan, Bucheon, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
96AQILowest AQI recorded on
9th Aug 2023
22AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 61 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Samsan, Bucheon, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
10AM2nd Aug
80AQI
Avg. Lowest Time
5AM2nd Aug
55AQI
Night time
Avg. Highest Time
9PM2nd Aug
62AQI
Avg. Lowest Time
3AM3rd Aug
55AQI
In the last 24 hours,
Samsan's AQI reached its highest point of 80 at 10 AM during the Day, while the lowest point, 55, was recorded at 3 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Samsan, Bucheon, Gyeonggi, South Korea
JulAug
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 - 03rd03rd
Day
Night
4th Jul 2025525 AMAQI
4th Jul 2025536 AMAQI
4th Jul 2025537 AMAQI
4th Jul 2025528 AMAQI
4th Jul 2025579 AMAQI
4th Jul 20255910 AMAQI
4th Jul 20255911 AMAQI
4th Jul 20255812 PMAQI
4th Jul 2025571 PMAQI
4th Jul 2025602 PMAQI
4th Jul 2025583 PMAQI
4th Jul 2025544 PMAQI
4th Jul 2025555 PMAQI
4th Jul 2025546 PMAQI
4th Jul 2025547 PMAQI
4th Jul 2025548 PMAQI
4th Jul 2025549 PMAQI
4th Jul 20255310 PMAQI
4th Jul 20255311 PMAQI
5th Jul 20255412 AMAQI
5th Jul 2025531 AMAQI
5th Jul 2025532 AMAQI
5th Jul 2025523 AMAQI
5th Jul 2025534 AMAQI
26°C24/29°C
5th Jul 2025535 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025538 AMAQI
5th Jul 2025549 AMAQI
5th Jul 20255210 AMAQI
5th Jul 20254611 AMAQI
5th Jul 20255012 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025552 PMAQI
5th Jul 2025533 PMAQI
5th Jul 2025534 PMAQI
5th Jul 2025525 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025527 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255310 PMAQI
5th Jul 20255411 PMAQI
6th Jul 20255312 AMAQI
6th Jul 2025531 AMAQI
6th Jul 2025542 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025534 AMAQI
26°C24/30°C
6th Jul 2025525 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025589 AMAQI
6th Jul 20256110 AMAQI
6th Jul 20256611 AMAQI
6th Jul 20257612 PMAQI
6th Jul 2025631 PMAQI
6th Jul 2025572 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025584 PMAQI
6th Jul 2025575 PMAQI
6th Jul 2025576 PMAQI
6th Jul 2025537 PMAQI
6th Jul 2025578 PMAQI
6th Jul 2025539 PMAQI
6th Jul 20255210 PMAQI
6th Jul 20255211 PMAQI
7th Jul 20255312 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025533 AMAQI
7th Jul 2025544 AMAQI
27°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 20258610 AMAQI
7th Jul 20259311 AMAQI
7th Jul 20259212 PMAQI
7th Jul 2025951 PMAQI
7th Jul 2025952 PMAQI
7th Jul 2025913 PMAQI
7th Jul 2025964 PMAQI
7th Jul 2025955 PMAQI
7th Jul 2025966 PMAQI
7th Jul 2025887 PMAQI
7th Jul 2025778 PMAQI
7th Jul 2025609 PMAQI
7th Jul 20256010 PMAQI
7th Jul 20255911 PMAQI
8th Jul 20256212 AMAQI
8th Jul 2025601 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025544 AMAQI
28°C25/31°C
8th Jul 2025555 AMAQI
8th Jul 2025556 AMAQI
8th Jul 2025557 AMAQI
8th Jul 2025558 AMAQI
8th Jul 2025869 AMAQI
8th Jul 20259610 AMAQI
8th Jul 20259311 AMAQI
8th Jul 20259212 PMAQI
8th Jul 2025841 PMAQI
8th Jul 2025822 PMAQI
8th Jul 2025833 PMAQI
8th Jul 2025824 PMAQI
8th Jul 2025835 PMAQI
8th Jul 2025816 PMAQI
8th Jul 2025827 PMAQI
8th Jul 2025788 PMAQI
8th Jul 2025639 PMAQI
8th Jul 20255610 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025592 AMAQI
9th Jul 2025583 AMAQI
9th Jul 2025604 AMAQI
30°C27/36°C
9th Jul 2025615 AMAQI
9th Jul 2025626 AMAQI
9th Jul 2025627 AMAQI
9th Jul 2025628 AMAQI
9th Jul 2025719 AMAQI
9th Jul 20257310 AMAQI
9th Jul 20256311 AMAQI
9th Jul 20255812 PMAQI
9th Jul 2025601 PMAQI
9th Jul 2025662 PMAQI
9th Jul 2025643 PMAQI
9th Jul 2025614 PMAQI
9th Jul 2025615 PMAQI
9th Jul 2025626 PMAQI
9th Jul 2025647 PMAQI
9th Jul 2025738 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20256210 PMAQI
9th Jul 20256211 PMAQI
10th Jul 20256212 AMAQI
10th Jul 2025621 AMAQI
10th Jul 2025632 AMAQI
10th Jul 2025603 AMAQI
10th Jul 2025604 AMAQI
30°C27/35°C
10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20253610 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20254212 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025542 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025574 PMAQI
10th Jul 2025555 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025567 PMAQI
10th Jul 2025588 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255411 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025591 AMAQI
11th Jul 2025592 AMAQI
11th Jul 2025593 AMAQI
11th Jul 2025594 AMAQI
31°C27/35°C
11th Jul 2025585 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025607 AMAQI
11th Jul 2025608 AMAQI
11th Jul 2025519 AMAQI
11th Jul 20254710 AMAQI
11th Jul 20253211 AMAQI
11th Jul 20253212 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025455 PMAQI
11th Jul 2025486 PMAQI
11th Jul 2025467 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025574 AMAQI
30°C25/35°C
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253310 AMAQI
12th Jul 20252911 AMAQI
12th Jul 20253112 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025413 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025425 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025578 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255511 PMAQI
13th Jul 20255512 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI
29°C25/34°C
13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025639 AMAQI
13th Jul 20257010 AMAQI
13th Jul 20256811 AMAQI
13th Jul 20257412 PMAQI
13th Jul 2025751 PMAQI
13th Jul 2025702 PMAQI
13th Jul 2025683 PMAQI
13th Jul 2025684 PMAQI
13th Jul 2025715 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025727 PMAQI
13th Jul 2025718 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255810 PMAQI
13th Jul 20255711 PMAQI
14th Jul 20255612 AMAQI
14th Jul 2025561 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025564 AMAQI
27°C24/29°C
14th Jul 2025565 AMAQI
14th Jul 2025566 AMAQI
14th Jul 2025567 AMAQI
14th Jul 2025568 AMAQI
14th Jul 2025659 AMAQI
14th Jul 20256810 AMAQI
14th Jul 20257611 AMAQI
14th Jul 20257512 PMAQI
14th Jul 2025641 PMAQI
14th Jul 2025592 PMAQI
14th Jul 2025523 PMAQI
14th Jul 2025484 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025406 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025378 PMAQI
14th Jul 2025549 PMAQI
14th Jul 20255310 PMAQI
14th Jul 20255311 PMAQI
15th Jul 20255312 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
15th Jul 2025574 AMAQI
23°C20/28°C
15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025588 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20251210 AMAQI
15th Jul 20252711 AMAQI
15th Jul 20252812 PMAQI
15th Jul 2025541 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025435 PMAQI
15th Jul 2025366 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025529 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025551 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025554 AMAQI
23°C21/25°C
16th Jul 2025545 AMAQI
16th Jul 2025536 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025589 AMAQI
16th Jul 20256510 AMAQI
16th Jul 20256611 AMAQI
16th Jul 20256412 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025584 PMAQI
16th Jul 2025565 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025348 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20254911 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025541 AMAQI
17th Jul 2025542 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025534 AMAQI
23°C22/25°C
17th Jul 2025555 AMAQI
17th Jul 2025556 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20251610 AMAQI
17th Jul 20251411 AMAQI
17th Jul 20251412 PMAQI
17th Jul 2025221 PMAQI
17th Jul 2025242 PMAQI
17th Jul 2025243 PMAQI
17th Jul 2025244 PMAQI
17th Jul 2025235 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025257 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025459 PMAQI
17th Jul 20254310 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254412 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025524 AMAQI
23°C22/25°C
18th Jul 2025485 AMAQI
18th Jul 2025496 AMAQI
18th Jul 2025477 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252311 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025301 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025374 PMAQI
18th Jul 2025465 PMAQI
18th Jul 2025486 PMAQI
18th Jul 2025447 PMAQI
18th Jul 2025468 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20254810 PMAQI
18th Jul 20254711 PMAQI
19th Jul 20254812 AMAQI
19th Jul 2025481 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025493 AMAQI
19th Jul 2025484 AMAQI
24°C23/25°C
19th Jul 2025465 AMAQI
19th Jul 2025456 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251211 AMAQI
19th Jul 20251612 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025322 PMAQI
19th Jul 2025323 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025365 PMAQI
19th Jul 2025326 PMAQI
19th Jul 2025337 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025449 PMAQI
19th Jul 20254210 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025512 AMAQI
20th Jul 2025503 AMAQI
20th Jul 2025484 AMAQI
25°C23/28°C
20th Jul 2025465 AMAQI
20th Jul 2025476 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025458 AMAQI
20th Jul 2025399 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20254812 PMAQI
20th Jul 2025481 PMAQI
20th Jul 2025482 PMAQI
20th Jul 2025483 PMAQI
20th Jul 2025474 PMAQI
20th Jul 2025225 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025518 PMAQI
20th Jul 2025509 PMAQI
20th Jul 20254610 PMAQI
20th Jul 20254411 PMAQI
21st Jul 20254512 AMAQI
21st Jul 2025471 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025473 AMAQI
21st Jul 2025464 AMAQI
27°C24/30°C
21st Jul 2025465 AMAQI
21st Jul 2025466 AMAQI
21st Jul 2025457 AMAQI
21st Jul 2025458 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20255810 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025441 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025303 PMAQI
21st Jul 2025284 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254310 PMAQI
21st Jul 20254311 PMAQI
22nd Jul 20254112 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025473 AMAQI
22nd Jul 2025474 AMAQI
28°C25/31°C
22nd Jul 2025485 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025477 AMAQI
22nd Jul 2025478 AMAQI
22nd Jul 2025459 AMAQI
22nd Jul 20253910 AMAQI
22nd Jul 20252711 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025421 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025363 PMAQI
22nd Jul 2025354 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025437 PMAQI
22nd Jul 2025458 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254312 AMAQI
23rd Jul 2025451 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025463 AMAQI
23rd Jul 2025464 AMAQI
28°C25/30°C
23rd Jul 2025455 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025448 AMAQI
23rd Jul 2025269 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025311 PMAQI
23rd Jul 2025352 PMAQI
23rd Jul 2025343 PMAQI
23rd Jul 2025424 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025487 PMAQI
23rd Jul 2025398 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20254110 PMAQI
23rd Jul 20254111 PMAQI
24th Jul 20253912 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025444 AMAQI
28°C25/32°C
24th Jul 2025425 AMAQI
24th Jul 2025426 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254010 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254512 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025643 PMAQI
24th Jul 2025604 PMAQI
24th Jul 2025595 PMAQI
24th Jul 2025596 PMAQI
24th Jul 2025617 PMAQI
24th Jul 2025628 PMAQI
24th Jul 2025529 PMAQI
24th Jul 20255210 PMAQI
24th Jul 20255011 PMAQI
25th Jul 20255112 AMAQI
25th Jul 2025511 AMAQI
25th Jul 2025442 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025424 AMAQI
28°C26/32°C
25th Jul 2025455 AMAQI
25th Jul 2025456 AMAQI
25th Jul 2025457 AMAQI
25th Jul 2025448 AMAQI
25th Jul 2025649 AMAQI
25th Jul 20257310 AMAQI
25th Jul 20257411 AMAQI
25th Jul 20257312 PMAQI
25th Jul 2025721 PMAQI
25th Jul 2025782 PMAQI
25th Jul 2025773 PMAQI
25th Jul 2025754 PMAQI
25th Jul 2025725 PMAQI
25th Jul 2025706 PMAQI
25th Jul 2025707 PMAQI
25th Jul 2025658 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255510 PMAQI
25th Jul 20255511 PMAQI
26th Jul 20255612 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025482 AMAQI
26th Jul 2025473 AMAQI
26th Jul 2025504 AMAQI
30°C26/35°C
26th Jul 2025525 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025679 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20254412 PMAQI
26th Jul 2025571 PMAQI
26th Jul 2025602 PMAQI
26th Jul 2025613 PMAQI
26th Jul 2025624 PMAQI
26th Jul 2025675 PMAQI
26th Jul 2025706 PMAQI
26th Jul 2025747 PMAQI
26th Jul 2025718 PMAQI
26th Jul 2025609 PMAQI
26th Jul 20256010 PMAQI
26th Jul 20255911 PMAQI
27th Jul 20256012 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025544 AMAQI
31°C28/35°C
27th Jul 2025555 AMAQI
27th Jul 2025556 AMAQI
27th Jul 2025557 AMAQI
27th Jul 2025558 AMAQI
27th Jul 2025469 AMAQI
27th Jul 20253510 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252112 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025523 PMAQI
27th Jul 2025534 PMAQI
27th Jul 2025575 PMAQI
27th Jul 2025626 PMAQI
27th Jul 2025657 PMAQI
27th Jul 2025658 PMAQI
27th Jul 2025699 PMAQI
27th Jul 20256610 PMAQI
27th Jul 20256511 PMAQI
28th Jul 20256312 AMAQI
28th Jul 2025561 AMAQI
28th Jul 2025552 AMAQI
28th Jul 2025553 AMAQI
28th Jul 2025554 AMAQI
31°C28/35°C
28th Jul 2025535 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025899 AMAQI
28th Jul 20259810 AMAQI
28th Jul 20259911 AMAQI
28th Jul 20258812 PMAQI
28th Jul 2025721 PMAQI
28th Jul 2025712 PMAQI
28th Jul 2025683 PMAQI
28th Jul 2025704 PMAQI
28th Jul 2025805 PMAQI
28th Jul 2025826 PMAQI
28th Jul 2025807 PMAQI
28th Jul 2025778 PMAQI
28th Jul 2025649 PMAQI
28th Jul 20256210 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20256112 AMAQI
29th Jul 2025591 AMAQI
29th Jul 2025582 AMAQI
29th Jul 2025583 AMAQI
29th Jul 2025594 AMAQI
30°C27/33°C
29th Jul 2025635 AMAQI
29th Jul 2025626 AMAQI
29th Jul 2025627 AMAQI
29th Jul 2025628 AMAQI
29th Jul 2025779 AMAQI
29th Jul 20258010 AMAQI
29th Jul 20258211 AMAQI
29th Jul 20259012 PMAQI
29th Jul 2025881 PMAQI
29th Jul 2025932 PMAQI
29th Jul 2025893 PMAQI
29th Jul 2025934 PMAQI
29th Jul 2025925 PMAQI
29th Jul 2025936 PMAQI
29th Jul 2025927 PMAQI
29th Jul 2025758 PMAQI
29th Jul 2025639 PMAQI
29th Jul 20255810 PMAQI
29th Jul 20256111 PMAQI
30th Jul 20256312 AMAQI
30th Jul 2025591 AMAQI
30th Jul 2025602 AMAQI
30th Jul 2025603 AMAQI
30th Jul 2025614 AMAQI
30°C28/34°C
30th Jul 2025655 AMAQI
30th Jul 2025656 AMAQI
30th Jul 2025647 AMAQI
30th Jul 2025658 AMAQI
30th Jul 2025829 AMAQI
30th Jul 20258310 AMAQI
30th Jul 20258211 AMAQI
30th Jul 20258412 PMAQI
30th Jul 2025831 PMAQI
30th Jul 2025832 PMAQI
30th Jul 2025863 PMAQI
30th Jul 2025854 PMAQI
30th Jul 2025885 PMAQI
30th Jul 2025826 PMAQI
30th Jul 2025807 PMAQI
30th Jul 2025738 PMAQI
30th Jul 2025649 PMAQI
30th Jul 20256310 PMAQI
30th Jul 20256211 PMAQI
31st Jul 20256212 AMAQI
31st Jul 2025611 AMAQI
31st Jul 2025622 AMAQI
31st Jul 2025613 AMAQI
31st Jul 2025614 AMAQI
30°C27/35°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 20257311 AMAQI
31st Jul 20256212 PMAQI
31st Jul 2025701 PMAQI
31st Jul 2025782 PMAQI
31st Jul 2025823 PMAQI
31st Jul 2025854 PMAQI
31st Jul 2025815 PMAQI
31st Jul 2025826 PMAQI
31st Jul 2025847 PMAQI
31st Jul 2025728 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025564 AMAQI
30°C28/32°C
1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025642 PMAQI
1st Aug 2025713 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025735 PMAQI
1st Aug 2025626 PMAQI
1st Aug 2025637 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025629 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20256011 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI
30°C28/34°C
2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025789 AMAQI
2nd Aug 20258010 AMAQI
2nd Aug 20257311 AMAQI
2nd Aug 20257812 PMAQI
2nd Aug 2025781 PMAQI
2nd Aug 2025682 PMAQI
2nd Aug 2025643 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025635 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025647 PMAQI
2nd Aug 2025618 PMAQI
2nd Aug 2025629 PMAQI
2nd Aug 20256110 PMAQI
2nd Aug 20256111 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025584 AMAQI
30°C27/33°C
3rd Aug 2025585 AMAQI
5 AM3rd Aug 2025596 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025769 AMAQI
3rd Aug 20258110 AMAQI
3rd Aug 20257611 AMAQI
3rd Aug 20256912 PMAQI
12 PM3rd Aug 2025671 PMAQI
3rd Aug 2025692 PMAQI
3rd Aug 2025703 PMAQI
3rd Aug 2025654 PMAQI
3rd Aug 2025695 PMAQI
3rd Aug 2025666 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
54AQI
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. 54).
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
Samsan, Bucheon, Gyeonggi, South Korea
2025
15%
33
79%
168
6%
13
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
33 DaysModerate
168 DaysPoor
13 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 15%
Health Risk Level:
Extreme
In 2025, 15% of 215 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
Samsan, Bucheon, 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
72AQI
72AQI
2nd January 2025
54AQI
54AQI
3rd January 2025
57AQI
57AQI
4th January 2025
59AQI
59AQI
5th January 2025
67AQI
67AQI
6th January 2025
98AQI
98AQI
7th January 2025
56AQI
56AQI
8th January 2025
73AQI
73AQI
9th January 2025
42AQI
42AQI
10th January 2025
54AQI
54AQI
11th January 2025
59AQI
59AQI
12th January 2025
73AQI
73AQI
13th January 2025
84AQI
84AQI
14th January 2025
94AQI
94AQI
15th January 2025
54AQI
54AQI
16th January 2025
77AQI
77AQI
17th January 2025
73AQI
73AQI
18th January 2025
81AQI
81AQI
19th January 2025
74AQI
74AQI
20th January 2025
129AQI
129AQI
21st January 2025
125AQI
125AQI
22nd January 2025
143AQI
143AQI
23rd January 2025
101AQI
101AQI
24th January 2025
110AQI
110AQI
25th January 2025
69AQI
69AQI
26th January 2025
57AQI
57AQI
27th January 2025
68AQI
68AQI
28th January 2025
61AQI
61AQI
29th January 2025
62AQI
62AQI
30th January 2025
49AQI
49AQI
31st January 2025
73AQI
73AQI
1st February 2025
83AQI
83AQI
2nd February 2025
80AQI
80AQI
3rd February 2025
57AQI
57AQI
4th February 2025
52AQI
52AQI
5th February 2025
44AQI
44AQI
6th February 2025
54AQI
54AQI
7th February 2025
48AQI
48AQI
8th February 2025
42AQI
42AQI
9th February 2025
46AQI
46AQI
10th February 2025
54AQI
54AQI
11th February 2025
71AQI
71AQI
12th February 2025
76AQI
76AQI
13th February 2025
54AQI
54AQI
14th February 2025
88AQI
88AQI
15th February 2025
59AQI
59AQI
16th February 2025
105AQI
105AQI
17th February 2025
51AQI
51AQI
18th February 2025
61AQI
61AQI
19th February 2025
48AQI
48AQI
20th February 2025
56AQI
56AQI
21st February 2025
54AQI
54AQI
22nd February 2025
59AQI
59AQI
23rd February 2025
55AQI
55AQI
24th February 2025
57AQI
57AQI
25th February 2025
53AQI
53AQI
26th February 2025
66AQI
66AQI
27th February 2025
60AQI
60AQI
28th February 2025
76AQI
76AQI
1st March 2025
97AQI
97AQI
2nd March 2025
88AQI
88AQI
3rd March 2025
55AQI
55AQI
4th March 2025
48AQI
48AQI
5th March 2025
37AQI
37AQI
6th March 2025
73AQI
73AQI
7th March 2025
92AQI
92AQI
8th March 2025
86AQI
86AQI
9th March 2025
103AQI
103AQI
10th March 2025
117AQI
117AQI
11th March 2025
115AQI
115AQI
12th March 2025
96AQI
96AQI
13th March 2025
95AQI
95AQI
14th March 2025
76AQI
76AQI
15th March 2025
62AQI
62AQI
16th March 2025
74AQI
74AQI
17th March 2025
68AQI
68AQI
18th March 2025
80AQI
80AQI
19th March 2025
79AQI
79AQI
20th March 2025
89AQI
89AQI
21st March 2025
97AQI
97AQI
22nd March 2025
105AQI
105AQI
23rd March 2025
110AQI
110AQI
24th March 2025
110AQI
110AQI
25th March 2025
127AQI
127AQI
26th March 2025
93AQI
93AQI
27th March 2025
96AQI
96AQI
28th March 2025
59AQI
59AQI
29th March 2025
52AQI
52AQI
30th March 2025
46AQI
46AQI
31st March 2025
60AQI
60AQI
1st April 2025
71AQI
71AQI
2nd April 2025
80AQI
80AQI
3rd April 2025
81AQI
81AQI
4th April 2025
81AQI
81AQI
5th April 2025
65AQI
65AQI
6th April 2025
65AQI
65AQI
7th April 2025
72AQI
72AQI
8th April 2025
79AQI
79AQI
9th April 2025
76AQI
76AQI
10th April 2025
81AQI
81AQI
11th April 2025
93AQI
93AQI
12th April 2025
71AQI
71AQI
13th April 2025
63AQI
63AQI
14th April 2025
49AQI
49AQI
15th April 2025
58AQI
58AQI
16th April 2025
64AQI
64AQI
17th April 2025
71AQI
71AQI
18th April 2025
82AQI
82AQI
19th April 2025
47AQI
47AQI
20th April 2025
64AQI
64AQI
21st April 2025
55AQI
55AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
34AQI
34AQI
24th April 2025
67AQI
67AQI
25th April 2025
63AQI
63AQI
26th April 2025
58AQI
58AQI
27th April 2025
48AQI
48AQI
28th April 2025
64AQI
64AQI
29th April 2025
73AQI
73AQI
30th April 2025
60AQI
60AQI
1st May 2025
64AQI
64AQI
2nd May 2025
53AQI
53AQI
3rd May 2025
51AQI
51AQI
4th May 2025
50AQI
50AQI
5th May 2025
53AQI
53AQI
6th May 2025
44AQI
44AQI
7th May 2025
56AQI
56AQI
8th May 2025
62AQI
62AQI
9th May 2025
55AQI
55AQI
10th May 2025
59AQI
59AQI
11th May 2025
77AQI
77AQI
12th May 2025
75AQI
75AQI
13th May 2025
77AQI
77AQI
14th May 2025
73AQI
73AQI
15th May 2025
68AQI
68AQI
16th May 2025
61AQI
61AQI
17th May 2025
54AQI
54AQI
18th May 2025
59AQI
59AQI
19th May 2025
61AQI
61AQI
20th May 2025
41AQI
41AQI
21st May 2025
50AQI
50AQI
22nd May 2025
50AQI
50AQI
23rd May 2025
66AQI
66AQI
24th May 2025
49AQI
49AQI
25th May 2025
52AQI
52AQI
26th May 2025
72AQI
72AQI
27th May 2025
78AQI
78AQI
28th May 2025
96AQI
96AQI
29th May 2025
82AQI
82AQI
30th May 2025
90AQI
90AQI
31st May 2025
94AQI
94AQI
1st June 2025
91AQI
91AQI
2nd June 2025
96AQI
96AQI
3rd June 2025
76AQI
76AQI
4th June 2025
58AQI
58AQI
5th June 2025
58AQI
58AQI
6th June 2025
58AQI
58AQI
7th June 2025
68AQI
68AQI
8th June 2025
57AQI
57AQI
9th June 2025
64AQI
64AQI
10th June 2025
53AQI
53AQI
11th June 2025
58AQI
58AQI
12th June 2025
67AQI
67AQI
13th June 2025
75AQI
75AQI
14th June 2025
69AQI
69AQI
15th June 2025
61AQI
61AQI
16th June 2025
68AQI
68AQI
17th June 2025
70AQI
70AQI
18th June 2025
71AQI
71AQI
19th June 2025
68AQI
68AQI
20th June 2025
53AQI
53AQI
21st June 2025
65AQI
65AQI
22nd June 2025
72AQI
72AQI
23rd June 2025
75AQI
75AQI
24th June 2025
66AQI
66AQI
25th June 2025
56AQI
56AQI
26th June 2025
58AQI
58AQI
27th June 2025
65AQI
65AQI
28th June 2025
66AQI
66AQI
29th June 2025
55AQI
55AQI
30th June 2025
51AQI
51AQI
1st July 2025
47AQI
47AQI
2nd July 2025
48AQI
48AQI
3rd July 2025
56AQI
56AQI
4th July 2025
54AQI
54AQI
5th July 2025
53AQI
53AQI
6th July 2025
55AQI
55AQI
7th July 2025
68AQI
68AQI
8th July 2025
68AQI
68AQI
9th July 2025
62AQI
62AQI
10th July 2025
57AQI
57AQI
11th July 2025
52AQI
52AQI
12th July 2025
50AQI
50AQI
13th July 2025
61AQI
61AQI
14th July 2025
54AQI
54AQI
15th July 2025
47AQI
47AQI
16th July 2025
53AQI
53AQI
17th July 2025
39AQI
39AQI
18th July 2025
43AQI
43AQI
19th July 2025
39AQI
39AQI
20th July 2025
43AQI
43AQI
21st July 2025
43AQI
43AQI
22nd July 2025
42AQI
42AQI
23rd July 2025
41AQI
41AQI
24th July 2025
48AQI
48AQI
25th July 2025
58AQI
58AQI
26th July 2025
58AQI
58AQI
27th July 2025
53AQI
53AQI
28th July 2025
67AQI
67AQI
29th July 2025
73AQI
73AQI
30th July 2025
70AQI
70AQI
31st July 2025
67AQI
67AQI
1st August 2025
60AQI
60AQI
2nd August 2025
61AQI
61AQI
76AQI
61AQI
83AQI
66AQI
64AQI
66AQI
54AQI
61AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202567AQI
2
24
5
5
22
1
3
21
7
5
25
6
25
30
12
19
2
33
168
13
Highest AQI recorded in
March83AQI
Lowest AQI recorded in
July54AQI
202464AQI
7
19
5
8
14
6
1
4
23
3
1
2
26
2
7
24
4
24
2
17
12
2
8
23
21
9
13
18
10
19
1
6
25
107
236
21
2
Highest AQI recorded in
January77AQI
Lowest AQI recorded in
September44AQI
202371AQI
5
18
7
1
1
20
6
1
2
18
9
2
2
21
6
1
4
22
5
5
25
6
23
2
11
20
15
14
1
10
21
10
18
1
9
19
3
80
239
40
5
Highest AQI recorded in
March95AQI
Lowest AQI recorded in
September50AQI
202262AQI
2
22
5
1
3
13
5
9
19
3
8
20
1
1
12
18
1
21
9
4
18
1
1
20
6
2
16
14
1
8
19
3
5
24
2
109
182
24
2
Highest AQI recorded in
February77AQI
Lowest AQI recorded in
August34AQI
202163AQI
12
19
9
13
3
3
4
18
7
2
10
19
1
12
17
1
1
5
22
3
8
22
1
18
13
26
4
15
15
1
8
17
3
2
11
15
5
138
194
24
7
1
1
Highest AQI recorded in
March86AQI
Lowest AQI recorded in
September35AQI
202053AQI
6
7
5
16
7
11
8
21
1
19
12
18
13
20
9
17
14
14
13
3
14
15
2
128
131
6
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
September39AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
71AQILeast Polluted Year Recorded
2020(Avg.)
53AQISamsan's annual 2025 AQI (67) shows an average percentage change of 8.2% (worsened AQI) compared to previous years: 2020 (53), 2021 (63), 2022 (62), 2023 (71), 2024 (64).
