Chechon, Chungbuk, 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
Chechon, Chungbuk, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Nov 2021
155AQILowest AQI recorded on
27th Nov 2024
26AQISame Day Analysis (21st November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 51 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 21st Nov - 22nd Nov 2025
Chechon, Chungbuk, South Korea
AQI
Day
Night
.
6 AM21st Nov 2025
5 PM
5 AM22nd Nov 2025
Day time
Avg. Highest Time
12PM21st Nov
47AQI
Avg. Lowest Time
8AM21st Nov
30AQI
Night time
Avg. Highest Time
11PM21st Nov
60AQI
Avg. Lowest Time
6AM21st Nov
34AQI
In the last 24 hours,
Chechon's AQI reached its highest point of 60 at 11 PM during the Night, while the lowest point, 30, was recorded at 8 AM during the Day between 21st Nov and 22nd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Chechon, Chungbuk, South Korea
OctNov
23rd - 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 - 22nd22nd
Day
Night
23rd Oct 2025296 AMAQI
23rd Oct 2025307 AMAQI
23rd Oct 2025298 AMAQI
23rd Oct 2025489 AMAQI
23rd Oct 20251810 AMAQI
23rd Oct 20252511 AMAQI
23rd Oct 20253212 PMAQI
23rd Oct 2025421 PMAQI
23rd Oct 2025492 PMAQI
23rd Oct 2025453 PMAQI
23rd Oct 2025364 PMAQI
23rd Oct 2025345 PMAQI
23rd Oct 2025326 PMAQI
23rd Oct 2025277 PMAQI
23rd Oct 2025308 PMAQI
23rd Oct 2025249 PMAQI
23rd Oct 20252210 PMAQI
23rd Oct 20252811 PMAQI
24th Oct 20252712 AMAQI
24th Oct 2025281 AMAQI
24th Oct 2025272 AMAQI
24th Oct 2025213 AMAQI
24th Oct 2025224 AMAQI
24th Oct 2025225 AMAQI
11°C8/16°C
24th Oct 2025256 AMAQI
24th Oct 2025207 AMAQI
24th Oct 2025188 AMAQI
24th Oct 2025189 AMAQI
24th Oct 20252010 AMAQI
24th Oct 20252611 AMAQI
24th Oct 20254312 PMAQI
24th Oct 2025521 PMAQI
24th Oct 2025462 PMAQI
24th Oct 2025403 PMAQI
24th Oct 2025364 PMAQI
24th Oct 2025375 PMAQI
24th Oct 2025366 PMAQI
24th Oct 2025277 PMAQI
24th Oct 2025248 PMAQI
24th Oct 2025419 PMAQI
24th Oct 20254310 PMAQI
24th Oct 20254311 PMAQI
25th Oct 20253712 AMAQI
25th Oct 2025231 AMAQI
25th Oct 2025212 AMAQI
25th Oct 2025223 AMAQI
25th Oct 2025224 AMAQI
25th Oct 2025275 AMAQI
11°C9/14°C
25th Oct 2025266 AMAQI
25th Oct 2025267 AMAQI
25th Oct 2025298 AMAQI
25th Oct 2025339 AMAQI
25th Oct 20254210 AMAQI
25th Oct 20253811 AMAQI
25th Oct 20253712 PMAQI
25th Oct 2025501 PMAQI
25th Oct 2025512 PMAQI
25th Oct 2025453 PMAQI
25th Oct 2025474 PMAQI
25th Oct 2025485 PMAQI
25th Oct 2025536 PMAQI
25th Oct 2025637 PMAQI
25th Oct 2025668 PMAQI
25th Oct 2025669 PMAQI
25th Oct 20256710 PMAQI
25th Oct 20256611 PMAQI
26th Oct 20256812 AMAQI
26th Oct 2025681 AMAQI
26th Oct 2025712 AMAQI
26th Oct 2025703 AMAQI
26th Oct 2025704 AMAQI
26th Oct 2025675 AMAQI
13°C9/17°C
26th Oct 2025676 AMAQI
26th Oct 2025687 AMAQI
26th Oct 2025668 AMAQI
26th Oct 2025659 AMAQI
26th Oct 20256510 AMAQI
26th Oct 20256511 AMAQI
26th Oct 20256612 PMAQI
26th Oct 2025661 PMAQI
26th Oct 2025672 PMAQI
26th Oct 2025653 PMAQI
26th Oct 2025614 PMAQI
26th Oct 2025615 PMAQI
26th Oct 2025646 PMAQI
26th Oct 2025687 PMAQI
26th Oct 2025708 PMAQI
26th Oct 2025779 PMAQI
26th Oct 20257610 PMAQI
26th Oct 20258011 PMAQI
27th Oct 20257912 AMAQI
27th Oct 2025791 AMAQI
27th Oct 2025812 AMAQI
27th Oct 2025823 AMAQI
27th Oct 2025834 AMAQI
27th Oct 2025825 AMAQI
11°C7/15°C
27th Oct 2025766 AMAQI
27th Oct 2025737 AMAQI
27th Oct 2025718 AMAQI
27th Oct 2025629 AMAQI
27th Oct 20255610 AMAQI
27th Oct 20255911 AMAQI
27th Oct 20256012 PMAQI
27th Oct 2025571 PMAQI
27th Oct 2025542 PMAQI
27th Oct 2025493 PMAQI
27th Oct 2025434 PMAQI
27th Oct 2025415 PMAQI
27th Oct 2025406 PMAQI
27th Oct 2025377 PMAQI
27th Oct 2025388 PMAQI
27th Oct 2025389 PMAQI
27th Oct 20253810 PMAQI
27th Oct 20253611 PMAQI
28th Oct 20253312 AMAQI
28th Oct 2025291 AMAQI
28th Oct 2025322 AMAQI
28th Oct 2025363 AMAQI
28th Oct 2025384 AMAQI
28th Oct 2025385 AMAQI
5°C0/8°C
28th Oct 2025356 AMAQI
28th Oct 2025337 AMAQI
28th Oct 2025308 AMAQI
28th Oct 2025289 AMAQI
28th Oct 20253310 AMAQI
28th Oct 20253811 AMAQI
28th Oct 20254612 PMAQI
28th Oct 2025441 PMAQI
28th Oct 2025392 PMAQI
28th Oct 2025353 PMAQI
28th Oct 2025364 PMAQI
28th Oct 2025405 PMAQI
28th Oct 2025406 PMAQI
28th Oct 2025447 PMAQI
28th Oct 2025528 PMAQI
28th Oct 2025539 PMAQI
28th Oct 20255210 PMAQI
28th Oct 20255111 PMAQI
29th Oct 20254912 AMAQI
29th Oct 2025521 AMAQI
29th Oct 2025512 AMAQI
29th Oct 2025513 AMAQI
29th Oct 2025494 AMAQI
29th Oct 2025505 AMAQI
4°C-1/10°C
29th Oct 2025546 AMAQI
29th Oct 2025567 AMAQI
29th Oct 2025558 AMAQI
29th Oct 2025579 AMAQI
29th Oct 20256310 AMAQI
29th Oct 20256611 AMAQI
29th Oct 20256412 PMAQI
29th Oct 2025721 PMAQI
29th Oct 2025672 PMAQI
29th Oct 2025653 PMAQI
29th Oct 2025674 PMAQI
29th Oct 2025685 PMAQI
29th Oct 2025686 PMAQI
29th Oct 2025637 PMAQI
29th Oct 2025648 PMAQI
29th Oct 2025659 PMAQI
29th Oct 20256410 PMAQI
29th Oct 20256511 PMAQI
30th Oct 20256612 AMAQI
30th Oct 2025641 AMAQI
30th Oct 2025642 AMAQI
30th Oct 2025633 AMAQI
30th Oct 2025614 AMAQI
30th Oct 2025635 AMAQI
7°C1/14°C
30th Oct 2025636 AMAQI
30th Oct 2025687 AMAQI
30th Oct 2025638 AMAQI
30th Oct 2025669 AMAQI
30th Oct 20256410 AMAQI
30th Oct 20256611 AMAQI
30th Oct 20256412 PMAQI
30th Oct 2025871 PMAQI
30th Oct 2025892 PMAQI
30th Oct 2025733 PMAQI
30th Oct 2025684 PMAQI
30th Oct 2025675 PMAQI
30th Oct 2025706 PMAQI
30th Oct 2025647 PMAQI
30th Oct 2025648 PMAQI
30th Oct 2025659 PMAQI
30th Oct 20256510 PMAQI
30th Oct 20256211 PMAQI
31st Oct 20256212 AMAQI
31st Oct 2025621 AMAQI
31st Oct 2025622 AMAQI
31st Oct 2025663 AMAQI
31st Oct 2025634 AMAQI
31st Oct 2025635 AMAQI
9°C4/15°C
31st Oct 2025616 AMAQI
31st Oct 2025607 AMAQI
31st Oct 2025588 AMAQI
31st Oct 2025639 AMAQI
31st Oct 20256510 AMAQI
31st Oct 20256711 AMAQI
31st Oct 20256512 PMAQI
31st Oct 2025711 PMAQI
31st Oct 2025732 PMAQI
31st Oct 2025753 PMAQI
31st Oct 2025734 PMAQI
31st Oct 2025695 PMAQI
31st Oct 2025616 PMAQI
31st Oct 2025587 PMAQI
31st Oct 2025608 PMAQI
31st Oct 2025629 PMAQI
31st Oct 20256310 PMAQI
31st Oct 20256711 PMAQI
1st Nov 20256912 AMAQI
1st Nov 2025731 AMAQI
1st Nov 2025732 AMAQI
1st Nov 2025713 AMAQI
1st Nov 2025684 AMAQI
1st Nov 2025685 AMAQI
11°C7/17°C
1st Nov 2025736 AMAQI
1st Nov 2025777 AMAQI
1st Nov 2025798 AMAQI
1st Nov 2025709 AMAQI
1st Nov 20256910 AMAQI
1st Nov 20256511 AMAQI
1st Nov 20255912 PMAQI
1st Nov 2025561 PMAQI
1st Nov 2025542 PMAQI
1st Nov 2025513 PMAQI
1st Nov 2025474 PMAQI
1st Nov 2025435 PMAQI
1st Nov 2025436 PMAQI
1st Nov 2025437 PMAQI
1st Nov 2025438 PMAQI
1st Nov 2025439 PMAQI
1st Nov 20254610 PMAQI
1st Nov 20254711 PMAQI
2nd Nov 20254812 AMAQI
2nd Nov 2025481 AMAQI
2nd Nov 2025482 AMAQI
2nd Nov 2025523 AMAQI
2nd Nov 2025504 AMAQI
2nd Nov 2025515 AMAQI
10°C4/14°C
2nd Nov 2025526 AMAQI
2nd Nov 2025517 AMAQI
2nd Nov 2025528 AMAQI
2nd Nov 2025529 AMAQI
2nd Nov 20255310 AMAQI
2nd Nov 20255511 AMAQI
2nd Nov 20255212 PMAQI
2nd Nov 2025531 PMAQI
2nd Nov 2025422 PMAQI
2nd Nov 2025393 PMAQI
2nd Nov 2025314 PMAQI
2nd Nov 2025305 PMAQI
2nd Nov 2025346 PMAQI
2nd Nov 2025387 PMAQI
2nd Nov 2025428 PMAQI
2nd Nov 2025429 PMAQI
2nd Nov 20254410 PMAQI
2nd Nov 20253811 PMAQI
3rd Nov 20254212 AMAQI
3rd Nov 2025431 AMAQI
3rd Nov 2025462 AMAQI
3rd Nov 2025453 AMAQI
3rd Nov 2025484 AMAQI
3rd Nov 2025435 AMAQI
6°C-1/9°C
3rd Nov 2025456 AMAQI
3rd Nov 2025507 AMAQI
3rd Nov 2025528 AMAQI
3rd Nov 2025489 AMAQI
3rd Nov 20254510 AMAQI
3rd Nov 20255011 AMAQI
3rd Nov 20255612 PMAQI
3rd Nov 2025581 PMAQI
3rd Nov 2025612 PMAQI
3rd Nov 2025613 PMAQI
3rd Nov 2025644 PMAQI
3rd Nov 2025585 PMAQI
3rd Nov 2025566 PMAQI
3rd Nov 2025467 PMAQI
3rd Nov 2025468 PMAQI
3rd Nov 2025489 PMAQI
3rd Nov 20254810 PMAQI
3rd Nov 20254911 PMAQI
4th Nov 20255812 AMAQI
4th Nov 2025581 AMAQI
4th Nov 2025612 AMAQI
4th Nov 2025553 AMAQI
4th Nov 2025544 AMAQI
4th Nov 2025545 AMAQI
5°C-2/11°C
4th Nov 2025536 AMAQI
4th Nov 2025557 AMAQI
4th Nov 2025558 AMAQI
4th Nov 2025579 AMAQI
4th Nov 20255910 AMAQI
4th Nov 20256111 AMAQI
4th Nov 20256212 PMAQI
4th Nov 2025631 PMAQI
4th Nov 2025802 PMAQI
4th Nov 2025893 PMAQI
4th Nov 2025814 PMAQI
4th Nov 2025745 PMAQI
4th Nov 2025656 PMAQI
4th Nov 2025597 PMAQI
4th Nov 2025618 PMAQI
4th Nov 2025649 PMAQI
4th Nov 20256910 PMAQI
4th Nov 20256811 PMAQI
5th Nov 20256212 AMAQI
5th Nov 2025611 AMAQI
5th Nov 2025642 AMAQI
5th Nov 2025623 AMAQI
5th Nov 2025634 AMAQI
5th Nov 2025635 AMAQI
7°C3/13°C
5th Nov 2025636 AMAQI
5th Nov 2025647 AMAQI
5th Nov 2025628 AMAQI
5th Nov 2025619 AMAQI
5th Nov 20256410 AMAQI
5th Nov 20257111 AMAQI
5th Nov 20257212 PMAQI
5th Nov 2025791 PMAQI
5th Nov 2025812 PMAQI
5th Nov 2025853 PMAQI
5th Nov 2025854 PMAQI
5th Nov 2025875 PMAQI
5th Nov 2025906 PMAQI
5th Nov 2025897 PMAQI
5th Nov 2025928 PMAQI
5th Nov 2025919 PMAQI
5th Nov 20259210 PMAQI
5th Nov 20259211 PMAQI
6th Nov 20259012 AMAQI
6th Nov 2025891 AMAQI
6th Nov 2025862 AMAQI
6th Nov 2025843 AMAQI
6th Nov 2025854 AMAQI
6th Nov 2025815 AMAQI
8°C2/15°C
6th Nov 2025776 AMAQI
6th Nov 2025787 AMAQI
6th Nov 2025798 AMAQI
6th Nov 2025799 AMAQI
6th Nov 20258010 AMAQI
6th Nov 20258111 AMAQI
6th Nov 20258312 PMAQI
6th Nov 2025831 PMAQI
6th Nov 2025872 PMAQI
6th Nov 2025863 PMAQI
6th Nov 2025864 PMAQI
6th Nov 2025855 PMAQI
6th Nov 2025786 PMAQI
6th Nov 2025767 PMAQI
6th Nov 2025768 PMAQI
6th Nov 2025809 PMAQI
6th Nov 20257710 PMAQI
6th Nov 20257711 PMAQI
7th Nov 20257712 AMAQI
7th Nov 2025771 AMAQI
7th Nov 2025752 AMAQI
7th Nov 2025753 AMAQI
7th Nov 2025744 AMAQI
7th Nov 2025735 AMAQI
8°C3/16°C
7th Nov 2025686 AMAQI
7th Nov 2025697 AMAQI
7th Nov 2025718 AMAQI
7th Nov 2025729 AMAQI
7th Nov 20257310 AMAQI
7th Nov 20257711 AMAQI
7th Nov 20258312 PMAQI
7th Nov 2025911 PMAQI
7th Nov 2025822 PMAQI
7th Nov 2025753 PMAQI
7th Nov 2025714 PMAQI
7th Nov 2025695 PMAQI
7th Nov 2025656 PMAQI
7th Nov 2025707 PMAQI
7th Nov 2025698 PMAQI
7th Nov 2025699 PMAQI
7th Nov 20257010 PMAQI
7th Nov 20257011 PMAQI
8th Nov 20257012 AMAQI
8th Nov 2025721 AMAQI
8th Nov 2025752 AMAQI
8th Nov 2025713 AMAQI
8th Nov 2025674 AMAQI
8th Nov 2025675 AMAQI
11°C7/17°C
8th Nov 2025686 AMAQI
8th Nov 2025697 AMAQI
8th Nov 2025678 AMAQI
8th Nov 2025689 AMAQI
8th Nov 20256810 AMAQI
8th Nov 20256611 AMAQI
8th Nov 20256612 PMAQI
8th Nov 2025651 PMAQI
8th Nov 2025652 PMAQI
8th Nov 2025703 PMAQI
8th Nov 2025684 PMAQI
8th Nov 2025655 PMAQI
8th Nov 2025666 PMAQI
8th Nov 2025607 PMAQI
8th Nov 2025578 PMAQI
8th Nov 2025619 PMAQI
8th Nov 20256310 PMAQI
8th Nov 20256411 PMAQI
9th Nov 20256512 AMAQI
9th Nov 2025631 AMAQI
9th Nov 2025662 AMAQI
9th Nov 2025673 AMAQI
9th Nov 2025684 AMAQI
9th Nov 2025675 AMAQI
10°C7/14°C
9th Nov 2025636 AMAQI
9th Nov 2025607 AMAQI
9th Nov 2025598 AMAQI
9th Nov 2025599 AMAQI
9th Nov 20256110 AMAQI
9th Nov 20256211 AMAQI
9th Nov 20256412 PMAQI
9th Nov 2025651 PMAQI
9th Nov 2025612 PMAQI
9th Nov 2025653 PMAQI
9th Nov 2025654 PMAQI
9th Nov 2025675 PMAQI
9th Nov 2025646 PMAQI
9th Nov 2025767 PMAQI
9th Nov 2025808 PMAQI
9th Nov 2025779 PMAQI
9th Nov 20257710 PMAQI
9th Nov 20257811 PMAQI
10th Nov 20258012 AMAQI
10th Nov 2025821 AMAQI
10th Nov 2025822 AMAQI
10th Nov 2025693 AMAQI
10th Nov 2025664 AMAQI
10th Nov 2025535 AMAQI
9°C3/12°C
10th Nov 2025486 AMAQI
10th Nov 2025487 AMAQI
10th Nov 2025488 AMAQI
10th Nov 2025469 AMAQI
10th Nov 20254210 AMAQI
10th Nov 20253311 AMAQI
10th Nov 20253212 PMAQI
10th Nov 2025261 PMAQI
10th Nov 2025272 PMAQI
10th Nov 2025223 PMAQI
10th Nov 2025224 PMAQI
10th Nov 2025235 PMAQI
10th Nov 2025236 PMAQI
10th Nov 2025197 PMAQI
10th Nov 2025258 PMAQI
10th Nov 2025309 PMAQI
10th Nov 20253810 PMAQI
10th Nov 20254611 PMAQI
11th Nov 20254712 AMAQI
11th Nov 2025431 AMAQI
11th Nov 2025432 AMAQI
11th Nov 2025443 AMAQI
11th Nov 2025454 AMAQI
11th Nov 2025455 AMAQI
4°C1/8°C
11th Nov 2025446 AMAQI
11th Nov 2025397 AMAQI
11th Nov 2025418 AMAQI
11th Nov 2025459 AMAQI
11th Nov 20254610 AMAQI
11th Nov 20254911 AMAQI
11th Nov 20255112 PMAQI
11th Nov 2025521 PMAQI
11th Nov 2025562 PMAQI
11th Nov 2025563 PMAQI
11th Nov 2025514 PMAQI
11th Nov 2025455 PMAQI
11th Nov 2025456 PMAQI
11th Nov 2025457 PMAQI
11th Nov 2025478 PMAQI
11th Nov 2025499 PMAQI
11th Nov 20255310 PMAQI
11th Nov 20255411 PMAQI
12th Nov 20255712 AMAQI
12th Nov 2025581 AMAQI
12th Nov 2025582 AMAQI
12th Nov 2025613 AMAQI
12th Nov 2025584 AMAQI
12th Nov 2025585 AMAQI
5°C1/11°C
12th Nov 2025596 AMAQI
12th Nov 2025587 AMAQI
12th Nov 2025598 AMAQI
12th Nov 2025589 AMAQI
12th Nov 20255910 AMAQI
12th Nov 20256011 AMAQI
12th Nov 20256612 PMAQI
12th Nov 2025691 PMAQI
12th Nov 2025682 PMAQI
12th Nov 2025653 PMAQI
12th Nov 2025634 PMAQI
12th Nov 2025535 PMAQI
12th Nov 2025456 PMAQI
12th Nov 2025437 PMAQI
12th Nov 2025468 PMAQI
12th Nov 2025519 PMAQI
12th Nov 20255510 PMAQI
12th Nov 20255511 PMAQI
13th Nov 20255812 AMAQI
13th Nov 2025621 AMAQI
13th Nov 2025612 AMAQI
13th Nov 2025593 AMAQI
13th Nov 2025584 AMAQI
13th Nov 2025575 AMAQI
7°C2/13°C
13th Nov 2025586 AMAQI
13th Nov 2025547 AMAQI
13th Nov 2025578 AMAQI
13th Nov 2025569 AMAQI
13th Nov 20256310 AMAQI
13th Nov 20256311 AMAQI
13th Nov 20257212 PMAQI
13th Nov 2025771 PMAQI
13th Nov 2025822 PMAQI
13th Nov 2025833 PMAQI
13th Nov 2025854 PMAQI
13th Nov 2025875 PMAQI
13th Nov 2025896 PMAQI
13th Nov 2025877 PMAQI
13th Nov 2025838 PMAQI
13th Nov 2025859 PMAQI
13th Nov 20258210 PMAQI
13th Nov 20258311 PMAQI
14th Nov 20258312 AMAQI
14th Nov 2025831 AMAQI
14th Nov 2025782 AMAQI
14th Nov 2025813 AMAQI
14th Nov 2025804 AMAQI
14th Nov 2025805 AMAQI
7°C3/14°C
14th Nov 2025776 AMAQI
14th Nov 2025797 AMAQI
14th Nov 2025808 AMAQI
14th Nov 2025829 AMAQI
14th Nov 20258410 AMAQI
14th Nov 20259011 AMAQI
14th Nov 20259412 PMAQI
14th Nov 20251021 PMAQI
14th Nov 2025932 PMAQI
14th Nov 2025763 PMAQI
14th Nov 2025624 PMAQI
14th Nov 2025545 PMAQI
14th Nov 2025586 PMAQI
14th Nov 2025627 PMAQI
14th Nov 2025618 PMAQI
14th Nov 2025669 PMAQI
14th Nov 20256710 PMAQI
14th Nov 20256811 PMAQI
15th Nov 20256512 AMAQI
15th Nov 2025661 AMAQI
15th Nov 2025652 AMAQI
15th Nov 2025663 AMAQI
15th Nov 2025674 AMAQI
15th Nov 2025655 AMAQI
6°C3/11°C
15th Nov 2025626 AMAQI
15th Nov 2025627 AMAQI
15th Nov 2025628 AMAQI
15th Nov 2025589 AMAQI
15th Nov 20255910 AMAQI
15th Nov 20256011 AMAQI
15th Nov 20256012 PMAQI
15th Nov 2025601 PMAQI
15th Nov 2025622 PMAQI
15th Nov 2025633 PMAQI
15th Nov 2025634 PMAQI
15th Nov 2025625 PMAQI
15th Nov 2025546 PMAQI
15th Nov 2025567 PMAQI
15th Nov 2025628 PMAQI
15th Nov 2025659 PMAQI
15th Nov 20256810 PMAQI
15th Nov 20256811 PMAQI
16th Nov 20256312 AMAQI
16th Nov 2025631 AMAQI
16th Nov 2025632 AMAQI
16th Nov 2025573 AMAQI
16th Nov 2025564 AMAQI
16th Nov 2025535 AMAQI
7°C2/13°C
16th Nov 2025536 AMAQI
16th Nov 2025547 AMAQI
16th Nov 2025558 AMAQI
16th Nov 2025569 AMAQI
16th Nov 20255810 AMAQI
16th Nov 20255811 AMAQI
16th Nov 20255812 PMAQI
16th Nov 2025611 PMAQI
16th Nov 2025662 PMAQI
16th Nov 2025693 PMAQI
16th Nov 2025674 PMAQI
16th Nov 2025655 PMAQI
16th Nov 2025606 PMAQI
16th Nov 2025607 PMAQI
16th Nov 2025618 PMAQI
16th Nov 2025639 PMAQI
16th Nov 20256910 PMAQI
16th Nov 20257611 PMAQI
17th Nov 20257412 AMAQI
17th Nov 2025751 AMAQI
17th Nov 2025782 AMAQI
17th Nov 2025733 AMAQI
17th Nov 2025784 AMAQI
17th Nov 2025835 AMAQI
7°C3/13°C
17th Nov 2025806 AMAQI
17th Nov 2025777 AMAQI
17th Nov 2025758 AMAQI
17th Nov 2025769 AMAQI
17th Nov 20256910 AMAQI
17th Nov 20255811 AMAQI
17th Nov 20254512 PMAQI
17th Nov 2025401 PMAQI
17th Nov 2025382 PMAQI
17th Nov 2025393 PMAQI
17th Nov 2025364 PMAQI
17th Nov 2025375 PMAQI
17th Nov 2025426 PMAQI
17th Nov 2025447 PMAQI
17th Nov 2025468 PMAQI
17th Nov 2025519 PMAQI
17th Nov 20255510 PMAQI
17th Nov 20255511 PMAQI
18th Nov 20255412 AMAQI
18th Nov 2025531 AMAQI
18th Nov 2025562 AMAQI
18th Nov 2025563 AMAQI
18th Nov 2025524 AMAQI
18th Nov 2025505 AMAQI
2°C-3/4°C
18th Nov 2025526 AMAQI
18th Nov 2025537 AMAQI
18th Nov 2025538 AMAQI
18th Nov 2025569 AMAQI
18th Nov 20255510 AMAQI
18th Nov 20255711 AMAQI
18th Nov 20255612 PMAQI
18th Nov 2025511 PMAQI
18th Nov 2025482 PMAQI
18th Nov 2025443 PMAQI
18th Nov 2025414 PMAQI
18th Nov 2025395 PMAQI
18th Nov 2025346 PMAQI
18th Nov 2025377 PMAQI
18th Nov 2025428 PMAQI
18th Nov 2025449 PMAQI
18th Nov 20254610 PMAQI
18th Nov 20255011 PMAQI
19th Nov 20255212 AMAQI
19th Nov 2025511 AMAQI
19th Nov 2025512 AMAQI
19th Nov 2025563 AMAQI
19th Nov 2025504 AMAQI
19th Nov 2025515 AMAQI
-1°C-4/3°C
19th Nov 2025546 AMAQI
19th Nov 2025577 AMAQI
19th Nov 2025578 AMAQI
19th Nov 2025569 AMAQI
19th Nov 20255710 AMAQI
19th Nov 20256311 AMAQI
19th Nov 20256412 PMAQI
19th Nov 2025651 PMAQI
19th Nov 2025662 PMAQI
19th Nov 2025683 PMAQI
19th Nov 2025674 PMAQI
19th Nov 2025625 PMAQI
19th Nov 2025606 PMAQI
19th Nov 2025597 PMAQI
19th Nov 2025578 PMAQI
19th Nov 2025589 PMAQI
19th Nov 20256010 PMAQI
19th Nov 20256011 PMAQI
20th Nov 20256012 AMAQI
20th Nov 2025601 AMAQI
20th Nov 2025642 AMAQI
20th Nov 2025693 AMAQI
20th Nov 2025654 AMAQI
20th Nov 2025665 AMAQI
-1°C-4/5°C
20th Nov 2025686 AMAQI
20th Nov 2025687 AMAQI
20th Nov 2025708 AMAQI
20th Nov 2025739 AMAQI
20th Nov 20257910 AMAQI
20th Nov 20258011 AMAQI
20th Nov 20258512 PMAQI
20th Nov 2025871 PMAQI
20th Nov 2025872 PMAQI
20th Nov 2025843 PMAQI
20th Nov 2025824 PMAQI
20th Nov 2025835 PMAQI
20th Nov 2025836 PMAQI
20th Nov 2025827 PMAQI
20th Nov 2025838 PMAQI
20th Nov 2025849 PMAQI
20th Nov 20259210 PMAQI
20th Nov 20258111 PMAQI
21st Nov 20257212 AMAQI
21st Nov 2025551 AMAQI
21st Nov 2025462 AMAQI
21st Nov 2025503 AMAQI
21st Nov 2025414 AMAQI
21st Nov 2025355 AMAQI
1°C-6/8°C
21st Nov 2025346 AMAQI
21st Nov 2025307 AMAQI
21st Nov 2025308 AMAQI
21st Nov 2025379 AMAQI
21st Nov 20254210 AMAQI
21st Nov 20254511 AMAQI
21st Nov 20254712 PMAQI
21st Nov 2025401 PMAQI
21st Nov 2025392 PMAQI
21st Nov 2025373 PMAQI
21st Nov 2025364 PMAQI
21st Nov 2025415 PMAQI
21st Nov 2025456 PMAQI
21st Nov 2025477 PMAQI
21st Nov 2025518 PMAQI
21st Nov 2025569 PMAQI
21st Nov 20255910 PMAQI
21st Nov 20256011 PMAQI
22nd Nov 20255912 AMAQI
22nd Nov 2025561 AMAQI
22nd Nov 2025552 AMAQI
22nd Nov 2025553 AMAQI
22nd Nov 2025534 AMAQI
22nd Nov 2025495 AMAQI
2°C-2/7°C
22nd Nov 2025516 AMAQI
6 AM22nd Nov 2025517 AMAQI
22nd Nov 2025518 AMAQI
22nd Nov 2025519 AMAQI
22nd Nov 20255210 AMAQI
22nd Nov 20255411 AMAQI
11 AM22nd Nov 20255712 PMAQI
22nd Nov 2025551 PMAQI
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
1 PM - 2 PM
63AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM - 11 AM
57AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 2 PM (Avg. 63), while the lowest AQI was between 6 AM to 11 AM (Avg. 57).
Night time
Avg. Highest Time
10 PM - 11 PM
61AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
12 AM - 7 PM
57AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 61), while the lowest AQI was between 12 AM to 7 PM (Avg. 57).
2025 Days Vs Air Quality
Chechon, Chungbuk, South Korea
2025
34%
112
63%
206
2%
7
Total number of days with different AQI categories in last 326 days in 2025 (39 days remaining)
Good
112 DaysModerate
206 DaysPoor
7 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 326 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
Chechon, Chungbuk, 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
70AQI
70AQI
2nd January 2025
72AQI
72AQI
3rd January 2025
56AQI
56AQI
4th January 2025
61AQI
61AQI
5th January 2025
69AQI
69AQI
6th January 2025
98AQI
98AQI
7th January 2025
61AQI
61AQI
8th January 2025
70AQI
70AQI
9th January 2025
42AQI
42AQI
10th January 2025
59AQI
59AQI
11th January 2025
61AQI
61AQI
12th January 2025
76AQI
76AQI
13th January 2025
91AQI
91AQI
14th January 2025
98AQI
98AQI
15th January 2025
61AQI
61AQI
16th January 2025
70AQI
70AQI
17th January 2025
81AQI
81AQI
18th January 2025
92AQI
92AQI
19th January 2025
82AQI
82AQI
20th January 2025
101AQI
101AQI
21st January 2025
131AQI
131AQI
22nd January 2025
131AQI
131AQI
23rd January 2025
112AQI
112AQI
24th January 2025
95AQI
95AQI
25th January 2025
66AQI
66AQI
26th January 2025
53AQI
53AQI
27th January 2025
63AQI
63AQI
28th January 2025
55AQI
55AQI
29th January 2025
61AQI
61AQI
30th January 2025
57AQI
57AQI
31st January 2025
81AQI
81AQI
1st February 2025
77AQI
77AQI
2nd February 2025
76AQI
76AQI
3rd February 2025
60AQI
60AQI
4th February 2025
51AQI
51AQI
5th February 2025
47AQI
47AQI
6th February 2025
48AQI
48AQI
7th February 2025
53AQI
53AQI
8th February 2025
50AQI
50AQI
9th February 2025
58AQI
58AQI
10th February 2025
60AQI
60AQI
11th February 2025
76AQI
76AQI
12th February 2025
79AQI
79AQI
13th February 2025
52AQI
52AQI
14th February 2025
79AQI
79AQI
15th February 2025
57AQI
57AQI
16th February 2025
102AQI
102AQI
17th February 2025
52AQI
52AQI
18th February 2025
62AQI
62AQI
19th February 2025
50AQI
50AQI
20th February 2025
56AQI
56AQI
21st February 2025
54AQI
54AQI
22nd February 2025
56AQI
56AQI
23rd February 2025
57AQI
57AQI
24th February 2025
59AQI
59AQI
25th February 2025
58AQI
58AQI
26th February 2025
82AQI
82AQI
27th February 2025
59AQI
59AQI
28th February 2025
73AQI
73AQI
1st March 2025
80AQI
80AQI
2nd March 2025
71AQI
71AQI
3rd March 2025
51AQI
51AQI
4th March 2025
46AQI
46AQI
5th March 2025
41AQI
41AQI
6th March 2025
50AQI
50AQI
7th March 2025
62AQI
62AQI
8th March 2025
65AQI
65AQI
9th March 2025
77AQI
77AQI
10th March 2025
78AQI
78AQI
11th March 2025
88AQI
88AQI
12th March 2025
83AQI
83AQI
13th March 2025
75AQI
75AQI
14th March 2025
65AQI
65AQI
15th March 2025
48AQI
48AQI
16th March 2025
58AQI
58AQI
17th March 2025
60AQI
60AQI
18th March 2025
55AQI
55AQI
19th March 2025
73AQI
73AQI
20th March 2025
74AQI
74AQI
21st March 2025
86AQI
86AQI
22nd March 2025
83AQI
83AQI
23rd March 2025
89AQI
89AQI
24th March 2025
91AQI
91AQI
25th March 2025
114AQI
114AQI
26th March 2025
92AQI
92AQI
27th March 2025
114AQI
114AQI
28th March 2025
87AQI
87AQI
29th March 2025
62AQI
62AQI
30th March 2025
56AQI
56AQI
31st March 2025
62AQI
62AQI
1st April 2025
63AQI
63AQI
2nd April 2025
64AQI
64AQI
3rd April 2025
73AQI
73AQI
4th April 2025
70AQI
70AQI
5th April 2025
69AQI
69AQI
6th April 2025
64AQI
64AQI
7th April 2025
66AQI
66AQI
8th April 2025
79AQI
79AQI
9th April 2025
70AQI
70AQI
10th April 2025
73AQI
73AQI
11th April 2025
68AQI
68AQI
12th April 2025
58AQI
58AQI
13th April 2025
55AQI
55AQI
14th April 2025
54AQI
54AQI
15th April 2025
54AQI
54AQI
16th April 2025
63AQI
63AQI
17th April 2025
65AQI
65AQI
18th April 2025
76AQI
76AQI
19th April 2025
62AQI
62AQI
20th April 2025
56AQI
56AQI
21st April 2025
50AQI
50AQI
22nd April 2025
46AQI
46AQI
23rd April 2025
33AQI
33AQI
24th April 2025
55AQI
55AQI
25th April 2025
67AQI
67AQI
26th April 2025
55AQI
55AQI
27th April 2025
49AQI
49AQI
28th April 2025
51AQI
51AQI
29th April 2025
62AQI
62AQI
30th April 2025
58AQI
58AQI
1st May 2025
54AQI
54AQI
2nd May 2025
54AQI
54AQI
3rd May 2025
50AQI
50AQI
4th May 2025
51AQI
51AQI
5th May 2025
51AQI
51AQI
6th May 2025
45AQI
45AQI
7th May 2025
54AQI
54AQI
8th May 2025
69AQI
69AQI
9th May 2025
53AQI
53AQI
10th May 2025
41AQI
41AQI
11th May 2025
61AQI
61AQI
12th May 2025
65AQI
65AQI
13th May 2025
71AQI
71AQI
14th May 2025
69AQI
69AQI
15th May 2025
64AQI
64AQI
16th May 2025
54AQI
54AQI
17th May 2025
48AQI
48AQI
18th May 2025
57AQI
57AQI
19th May 2025
60AQI
60AQI
20th May 2025
57AQI
57AQI
21st May 2025
57AQI
57AQI
22nd May 2025
57AQI
57AQI
23rd May 2025
64AQI
64AQI
24th May 2025
46AQI
46AQI
25th May 2025
52AQI
52AQI
26th May 2025
57AQI
57AQI
27th May 2025
63AQI
63AQI
28th May 2025
75AQI
75AQI
29th May 2025
68AQI
68AQI
30th May 2025
56AQI
56AQI
31st May 2025
58AQI
58AQI
1st June 2025
62AQI
62AQI
2nd June 2025
78AQI
78AQI
3rd June 2025
68AQI
68AQI
4th June 2025
52AQI
52AQI
5th June 2025
55AQI
55AQI
6th June 2025
59AQI
59AQI
7th June 2025
64AQI
64AQI
8th June 2025
63AQI
63AQI
9th June 2025
66AQI
66AQI
10th June 2025
64AQI
64AQI
11th June 2025
56AQI
56AQI
12th June 2025
58AQI
58AQI
13th June 2025
62AQI
62AQI
14th June 2025
55AQI
55AQI
15th June 2025
57AQI
57AQI
16th June 2025
56AQI
56AQI
17th June 2025
63AQI
63AQI
18th June 2025
65AQI
65AQI
19th June 2025
66AQI
66AQI
20th June 2025
56AQI
56AQI
21st June 2025
46AQI
46AQI
22nd June 2025
46AQI
46AQI
23rd June 2025
57AQI
57AQI
24th June 2025
53AQI
53AQI
25th June 2025
46AQI
46AQI
26th June 2025
49AQI
49AQI
27th June 2025
59AQI
59AQI
28th June 2025
61AQI
61AQI
29th June 2025
55AQI
55AQI
30th June 2025
47AQI
47AQI
1st July 2025
46AQI
46AQI
2nd July 2025
44AQI
44AQI
3rd July 2025
52AQI
52AQI
4th July 2025
55AQI
55AQI
5th July 2025
53AQI
53AQI
6th July 2025
56AQI
56AQI
7th July 2025
62AQI
62AQI
8th July 2025
65AQI
65AQI
9th July 2025
58AQI
58AQI
10th July 2025
53AQI
53AQI
11th July 2025
49AQI
49AQI
12th July 2025
49AQI
49AQI
13th July 2025
53AQI
53AQI
14th July 2025
46AQI
46AQI
15th July 2025
40AQI
40AQI
16th July 2025
51AQI
51AQI
17th July 2025
42AQI
42AQI
18th July 2025
44AQI
44AQI
19th July 2025
35AQI
35AQI
20th July 2025
40AQI
40AQI
21st July 2025
45AQI
45AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
44AQI
44AQI
24th July 2025
51AQI
51AQI
25th July 2025
51AQI
51AQI
26th July 2025
42AQI
42AQI
27th July 2025
39AQI
39AQI
28th July 2025
47AQI
47AQI
29th July 2025
52AQI
52AQI
30th July 2025
49AQI
49AQI
31st July 2025
50AQI
50AQI
1st August 2025
55AQI
55AQI
2nd August 2025
59AQI
59AQI
3rd August 2025
61AQI
61AQI
4th August 2025
54AQI
54AQI
5th August 2025
52AQI
52AQI
6th August 2025
45AQI
45AQI
7th August 2025
49AQI
49AQI
8th August 2025
53AQI
53AQI
9th August 2025
53AQI
53AQI
10th August 2025
47AQI
47AQI
11th August 2025
53AQI
53AQI
12th August 2025
45AQI
45AQI
13th August 2025
42AQI
42AQI
14th August 2025
43AQI
43AQI
15th August 2025
48AQI
48AQI
16th August 2025
47AQI
47AQI
17th August 2025
43AQI
43AQI
18th August 2025
51AQI
51AQI
19th August 2025
48AQI
48AQI
20th August 2025
46AQI
46AQI
21st August 2025
48AQI
48AQI
22nd August 2025
50AQI
50AQI
23rd August 2025
50AQI
50AQI
24th August 2025
52AQI
52AQI
25th August 2025
52AQI
52AQI
26th August 2025
45AQI
45AQI
27th August 2025
46AQI
46AQI
28th August 2025
50AQI
50AQI
29th August 2025
47AQI
47AQI
30th August 2025
47AQI
47AQI
31st August 2025
50AQI
50AQI
1st September 2025
40AQI
40AQI
2nd September 2025
47AQI
47AQI
3rd September 2025
45AQI
45AQI
4th September 2025
36AQI
36AQI
5th September 2025
35AQI
35AQI
6th September 2025
40AQI
40AQI
7th September 2025
40AQI
40AQI
8th September 2025
46AQI
46AQI
9th September 2025
49AQI
49AQI
10th September 2025
47AQI
47AQI
11th September 2025
48AQI
48AQI
12th September 2025
46AQI
46AQI
13th September 2025
45AQI
45AQI
14th September 2025
46AQI
46AQI
15th September 2025
51AQI
51AQI
16th September 2025
46AQI
46AQI
17th September 2025
37AQI
37AQI
18th September 2025
31AQI
31AQI
19th September 2025
33AQI
33AQI
20th September 2025
28AQI
28AQI
21st September 2025
25AQI
25AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
27AQI
27AQI
24th September 2025
33AQI
33AQI
25th September 2025
31AQI
31AQI
26th September 2025
47AQI
47AQI
27th September 2025
41AQI
41AQI
28th September 2025
31AQI
31AQI
29th September 2025
39AQI
39AQI
30th September 2025
54AQI
54AQI
1st October 2025
67AQI
67AQI
2nd October 2025
74AQI
74AQI
3rd October 2025
60AQI
60AQI
4th October 2025
48AQI
48AQI
5th October 2025
51AQI
51AQI
6th October 2025
44AQI
44AQI
7th October 2025
35AQI
35AQI
8th October 2025
43AQI
43AQI
9th October 2025
43AQI
43AQI
10th October 2025
48AQI
48AQI
11th October 2025
53AQI
53AQI
12th October 2025
58AQI
58AQI
13th October 2025
47AQI
47AQI
14th October 2025
47AQI
47AQI
15th October 2025
49AQI
49AQI
16th October 2025
45AQI
45AQI
17th October 2025
48AQI
48AQI
18th October 2025
42AQI
42AQI
19th October 2025
43AQI
43AQI
20th October 2025
60AQI
60AQI
21st October 2025
56AQI
56AQI
22nd October 2025
25AQI
25AQI
23rd October 2025
27AQI
27AQI
24th October 2025
31AQI
31AQI
25th October 2025
43AQI
43AQI
26th October 2025
68AQI
68AQI
27th October 2025
61AQI
61AQI
28th October 2025
39AQI
39AQI
29th October 2025
59AQI
59AQI
30th October 2025
67AQI
67AQI
31st October 2025
64AQI
64AQI
1st November 2025
60AQI
60AQI
2nd November 2025
46AQI
46AQI
3rd November 2025
48AQI
48AQI
4th November 2025
62AQI
62AQI
5th November 2025
74AQI
74AQI
6th November 2025
82AQI
82AQI
7th November 2025
73AQI
73AQI
8th November 2025
67AQI
67AQI
9th November 2025
67AQI
67AQI
10th November 2025
49AQI
49AQI
11th November 2025
48AQI
48AQI
12th November 2025
57AQI
57AQI
13th November 2025
69AQI
69AQI
14th November 2025
76AQI
76AQI
15th November 2025
63AQI
63AQI
16th November 2025
61AQI
61AQI
17th November 2025
62AQI
62AQI
18th November 2025
50AQI
50AQI
19th November 2025
57AQI
57AQI
20th November 2025
74AQI
74AQI
21st November 2025
51AQI
51AQI
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
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
77AQI
62AQI
72AQI
61AQI
57AQI
58AQI
48AQI
49AQI
40AQI
50AQI
62AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202558AQI
1
26
4
4
23
1
4
25
2
4
26
5
26
5
25
18
13
20
11
28
2
18
13
5
16
112
206
7
Highest AQI recorded in
January77AQI
Lowest AQI recorded in
September40AQI
202454AQI
4
23
4
14
12
3
4
24
3
5
23
2
11
20
11
19
24
7
21
10
29
1
25
6
15
15
4
27
167
187
12
Highest AQI recorded in
January75AQI
Lowest AQI recorded in
September33AQI
202362AQI
4
21
5
1
4
15
9
2
22
7
6
20
3
1
8
23
12
18
21
10
19
12
21
9
11
20
10
18
1
11
16
4
129
204
29
2
Highest AQI recorded in
February84AQI
Lowest AQI recorded in
September43AQI
202263AQI
2
24
4
1
2
16
5
9
19
3
7
23
6
24
1
15
15
15
8
1
26
2
17
14
4
23
3
2
25
4
106
193
20
1
Highest AQI recorded in
January82AQI
Lowest AQI recorded in
August28AQI
202158AQI
9
20
2
6
17
5
7
21
2
1
9
21
11
18
1
1
10
20
26
5
23
8
28
2
17
13
1
7
20
2
1
10
18
3
163
183
16
2
1
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
September34AQI
202057AQI
3
10
5
15
1
3
15
4
24
2
27
4
21
10
24
6
13
16
2
7
21
2
5
18
8
112
139
15
Highest AQI recorded in
December78AQI
Lowest AQI recorded in
July39AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
63AQILeast Polluted Year Recorded
2024(Avg.)
54AQIChechon's annual 2025 AQI (58) shows an average percentage change of -1.6% (improved AQI) compared to previous years: 2020 (57), 2021 (58), 2022 (63), 2023 (62), 2024 (54).
