Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Yongam Dong, Cheongju, 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+

August Air Quality Analysis

Yongam Dong, Cheongju, Chungbuk, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
92AQI
Lowest AQI recorded on
9th Aug 2023
15AQI

Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2024 and 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025

Yongam Dong, Cheongju, Chungbuk, South Korea

AQI
Day
Night
.

5 AM21st Aug 2025

7 PM

4 AM22nd Aug 2025

Day time
Avg. Highest Time
12AMNaNth undefined

AQI

Avg. Lowest Time
12AMNaNth undefined

AQI

Night time
Avg. Highest Time
11PM21st Aug

52AQI

Avg. Lowest Time
6PM21st Aug

36AQI

In the last 24 hours,

Yongam Dong's AQI reached its highest point of 52 at 11 PM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 21st Aug and 22nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Yongam Dong, Cheongju, Chungbuk, South Korea

JulAug
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 Jul 2025385 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025397 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025459 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20255811 AMAQI
23rd Jul 20256512 PMAQI
23rd Jul 2025521 PMAQI
23rd Jul 2025532 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025525 PMAQI
23rd Jul 2025506 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025539 PMAQI
23rd Jul 20255310 PMAQI
23rd Jul 20255111 PMAQI
24th Jul 20254212 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025444 AMAQI

27°C22/32°C

24th Jul 2025465 AMAQI
24th Jul 2025466 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255810 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20256312 PMAQI
24th Jul 2025661 PMAQI
24th Jul 2025702 PMAQI
24th Jul 2025653 PMAQI
24th Jul 2025634 PMAQI
24th Jul 2025635 PMAQI
24th Jul 2025566 PMAQI
24th Jul 2025667 PMAQI
24th Jul 2025668 PMAQI
24th Jul 2025609 PMAQI
24th Jul 20255910 PMAQI
24th Jul 20255911 PMAQI
25th Jul 20256012 AMAQI
25th Jul 2025611 AMAQI
25th Jul 2025572 AMAQI
25th Jul 2025443 AMAQI
25th Jul 2025464 AMAQI

27°C22/34°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025629 AMAQI
25th Jul 20256410 AMAQI
25th Jul 20256711 AMAQI
25th Jul 20256212 PMAQI
25th Jul 2025581 PMAQI
25th Jul 2025452 PMAQI
25th Jul 2025383 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025355 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025489 PMAQI
25th Jul 20254910 PMAQI
25th Jul 20255411 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025551 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025544 AMAQI

28°C22/35°C

26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025439 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20252412 PMAQI
26th Jul 2025241 PMAQI
26th Jul 2025222 PMAQI
26th Jul 2025243 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254710 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025531 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025533 AMAQI
27th Jul 2025524 AMAQI

28°C22/35°C

27th Jul 2025515 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20251610 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025201 PMAQI
27th Jul 2025182 PMAQI
27th Jul 2025183 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025206 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025389 PMAQI
27th Jul 20254210 PMAQI
27th Jul 20254011 PMAQI
28th Jul 20254012 AMAQI
28th Jul 2025481 AMAQI
28th Jul 2025522 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025504 AMAQI

29°C23/36°C

28th Jul 2025475 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025477 AMAQI
28th Jul 2025478 AMAQI
28th Jul 2025349 AMAQI
28th Jul 20253410 AMAQI
28th Jul 20253211 AMAQI
28th Jul 20253512 PMAQI
28th Jul 2025451 PMAQI
28th Jul 2025582 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025544 PMAQI
28th Jul 2025545 PMAQI
28th Jul 2025536 PMAQI
28th Jul 2025527 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025579 PMAQI
28th Jul 20255610 PMAQI
28th Jul 20255511 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025501 AMAQI
29th Jul 2025502 AMAQI
29th Jul 2025493 AMAQI
29th Jul 2025484 AMAQI

28°C23/34°C

29th Jul 2025485 AMAQI
29th Jul 2025476 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025679 AMAQI
29th Jul 20257210 AMAQI
29th Jul 20257011 AMAQI
29th Jul 20256912 PMAQI
29th Jul 2025651 PMAQI
29th Jul 2025662 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025465 PMAQI
29th Jul 2025406 PMAQI
29th Jul 2025347 PMAQI
29th Jul 2025398 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254711 PMAQI
30th Jul 20254712 AMAQI
30th Jul 2025501 AMAQI
30th Jul 2025512 AMAQI
30th Jul 2025513 AMAQI
30th Jul 2025514 AMAQI

29°C23/36°C

30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025569 AMAQI
30th Jul 20255810 AMAQI
30th Jul 20254411 AMAQI
30th Jul 20254312 PMAQI
30th Jul 2025441 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025393 PMAQI
30th Jul 2025334 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025506 PMAQI
30th Jul 2025527 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255612 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI

28°C23/34°C

31st Jul 2025525 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255811 AMAQI
31st Jul 20255612 PMAQI
31st Jul 2025561 PMAQI
31st Jul 2025522 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025504 PMAQI
31st Jul 2025475 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025457 PMAQI
31st Jul 2025488 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI

28°C22/34°C

1st Aug 2025545 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025539 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255512 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025553 PMAQI
1st Aug 2025594 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025577 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025544 AMAQI

28°C22/34°C

2nd Aug 2025555 AMAQI
2nd Aug 2025566 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025769 AMAQI
2nd Aug 20257510 AMAQI
2nd Aug 20257011 AMAQI
2nd Aug 20258412 PMAQI
2nd Aug 2025731 PMAQI
2nd Aug 2025632 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025664 PMAQI
2nd Aug 2025615 PMAQI
2nd Aug 2025676 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255812 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025574 AMAQI

28°C24/34°C

3rd Aug 2025585 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025577 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025599 AMAQI
3rd Aug 20256010 AMAQI
3rd Aug 20256411 AMAQI
3rd Aug 20256712 PMAQI
3rd Aug 2025701 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025723 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025615 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025637 PMAQI
3rd Aug 2025588 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255011 PMAQI
4th Aug 20255212 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025552 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI

25°C24/28°C

4th Aug 2025585 AMAQI
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025588 AMAQI
4th Aug 2025349 AMAQI
4th Aug 20253810 AMAQI
4th Aug 20253611 AMAQI
4th Aug 20253612 PMAQI
4th Aug 2025401 PMAQI
4th Aug 2025342 PMAQI
4th Aug 2025403 PMAQI
4th Aug 2025394 PMAQI
4th Aug 2025485 PMAQI
4th Aug 2025446 PMAQI
4th Aug 2025347 PMAQI
4th Aug 2025528 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025531 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025554 AMAQI

26°C22/30°C

5th Aug 2025555 AMAQI
5th Aug 2025546 AMAQI
5th Aug 2025547 AMAQI
5th Aug 2025548 AMAQI
5th Aug 2025429 AMAQI
5th Aug 20254210 AMAQI
5th Aug 20255211 AMAQI
5th Aug 20255012 PMAQI
5th Aug 2025461 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025466 PMAQI
5th Aug 2025427 PMAQI
5th Aug 2025448 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025541 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025543 AMAQI
6th Aug 2025544 AMAQI

26°C21/32°C

6th Aug 2025535 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025537 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025289 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025271 PMAQI
6th Aug 2025392 PMAQI
6th Aug 2025393 PMAQI
6th Aug 2025384 PMAQI
6th Aug 2025415 PMAQI
6th Aug 2025406 PMAQI
6th Aug 2025447 PMAQI
6th Aug 2025488 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20254710 PMAQI
6th Aug 20254811 PMAQI
7th Aug 20254712 AMAQI
7th Aug 2025541 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025524 AMAQI

26°C24/29°C

7th Aug 2025515 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025507 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025359 AMAQI
7th Aug 20254010 AMAQI
7th Aug 20254211 AMAQI
7th Aug 20254412 PMAQI
7th Aug 2025381 PMAQI
7th Aug 2025492 PMAQI
7th Aug 2025453 PMAQI
7th Aug 2025524 PMAQI
7th Aug 2025555 PMAQI
7th Aug 2025586 PMAQI
7th Aug 2025587 PMAQI
7th Aug 2025498 PMAQI
7th Aug 2025489 PMAQI
7th Aug 20254810 PMAQI
7th Aug 20254911 PMAQI
8th Aug 20255012 AMAQI
8th Aug 2025521 AMAQI
8th Aug 2025522 AMAQI
8th Aug 2025523 AMAQI
8th Aug 2025514 AMAQI

25°C21/30°C

8th Aug 2025515 AMAQI
8th Aug 2025516 AMAQI
8th Aug 2025507 AMAQI
8th Aug 2025508 AMAQI
8th Aug 2025489 AMAQI
8th Aug 20255310 AMAQI
8th Aug 20256111 AMAQI
8th Aug 20253812 PMAQI
8th Aug 2025481 PMAQI
8th Aug 2025512 PMAQI
8th Aug 2025523 PMAQI
8th Aug 2025494 PMAQI
8th Aug 2025475 PMAQI
8th Aug 2025466 PMAQI
8th Aug 2025457 PMAQI
8th Aug 2025548 PMAQI
8th Aug 2025549 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255411 PMAQI
9th Aug 20255412 AMAQI
9th Aug 2025521 AMAQI
9th Aug 2025522 AMAQI
9th Aug 2025513 AMAQI
9th Aug 2025514 AMAQI

24°C20/30°C

9th Aug 2025515 AMAQI
9th Aug 2025526 AMAQI
9th Aug 2025517 AMAQI
9th Aug 2025518 AMAQI
9th Aug 2025599 AMAQI
9th Aug 20256510 AMAQI
9th Aug 20256811 AMAQI
9th Aug 20256312 PMAQI
9th Aug 2025641 PMAQI
9th Aug 2025572 PMAQI
9th Aug 2025623 PMAQI
9th Aug 2025564 PMAQI
9th Aug 2025575 PMAQI
9th Aug 2025506 PMAQI
9th Aug 2025577 PMAQI
9th Aug 2025568 PMAQI
9th Aug 2025559 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255411 PMAQI
10th Aug 20255512 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025512 AMAQI
10th Aug 2025523 AMAQI
10th Aug 2025534 AMAQI

23°C20/25°C

10th Aug 2025535 AMAQI
10th Aug 2025546 AMAQI
10th Aug 2025547 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025549 AMAQI
10th Aug 20255610 AMAQI
10th Aug 20253911 AMAQI
10th Aug 20254212 PMAQI
10th Aug 2025451 PMAQI
10th Aug 2025462 PMAQI
10th Aug 2025363 PMAQI
10th Aug 2025364 PMAQI
10th Aug 2025385 PMAQI
10th Aug 2025366 PMAQI
10th Aug 2025427 PMAQI
10th Aug 2025448 PMAQI
10th Aug 2025489 PMAQI
10th Aug 20255010 PMAQI
10th Aug 20255411 PMAQI
11th Aug 20255212 AMAQI
11th Aug 2025531 AMAQI
11th Aug 2025522 AMAQI
11th Aug 2025533 AMAQI
11th Aug 2025534 AMAQI

24°C19/30°C

11th Aug 2025525 AMAQI
11th Aug 2025526 AMAQI
11th Aug 2025527 AMAQI
11th Aug 2025528 AMAQI
11th Aug 2025529 AMAQI
11th Aug 20255910 AMAQI
11th Aug 20255811 AMAQI
11th Aug 20255612 PMAQI
11th Aug 2025571 PMAQI
11th Aug 2025542 PMAQI
11th Aug 2025553 PMAQI
11th Aug 2025564 PMAQI
11th Aug 2025565 PMAQI
11th Aug 2025516 PMAQI
11th Aug 2025527 PMAQI
11th Aug 2025548 PMAQI
11th Aug 2025519 PMAQI
11th Aug 20255010 PMAQI
11th Aug 20254411 PMAQI
12th Aug 20254612 AMAQI
12th Aug 2025511 AMAQI
12th Aug 2025522 AMAQI
12th Aug 2025523 AMAQI
12th Aug 2025514 AMAQI

23°C20/27°C

12th Aug 2025525 AMAQI
12th Aug 2025526 AMAQI
12th Aug 2025527 AMAQI
12th Aug 2025528 AMAQI
12th Aug 2025349 AMAQI
12th Aug 20253410 AMAQI
12th Aug 20253911 AMAQI
12th Aug 20253012 PMAQI
12th Aug 2025301 PMAQI
12th Aug 2025272 PMAQI
12th Aug 2025233 PMAQI
12th Aug 2025264 PMAQI
12th Aug 2025305 PMAQI
12th Aug 2025266 PMAQI
12th Aug 2025327 PMAQI
12th Aug 2025408 PMAQI
12th Aug 2025419 PMAQI
12th Aug 20253910 PMAQI
12th Aug 20253711 PMAQI
13th Aug 20254512 AMAQI
13th Aug 2025521 AMAQI
13th Aug 2025522 AMAQI
13th Aug 2025523 AMAQI
13th Aug 2025504 AMAQI

23°C18/29°C

13th Aug 2025485 AMAQI
13th Aug 2025496 AMAQI
13th Aug 2025507 AMAQI
13th Aug 2025488 AMAQI
13th Aug 2025279 AMAQI
13th Aug 20253210 AMAQI
13th Aug 20252511 AMAQI
13th Aug 20252912 PMAQI
13th Aug 2025321 PMAQI
13th Aug 2025282 PMAQI
13th Aug 2025283 PMAQI
13th Aug 2025264 PMAQI
13th Aug 2025295 PMAQI
13th Aug 2025266 PMAQI
13th Aug 2025307 PMAQI
13th Aug 2025368 PMAQI
13th Aug 2025359 PMAQI
13th Aug 20254010 PMAQI
13th Aug 20253811 PMAQI
14th Aug 20254712 AMAQI
14th Aug 2025481 AMAQI
14th Aug 2025512 AMAQI
14th Aug 2025513 AMAQI
14th Aug 2025464 AMAQI

24°C21/30°C

14th Aug 2025455 AMAQI
14th Aug 2025446 AMAQI
14th Aug 2025447 AMAQI
14th Aug 2025448 AMAQI
14th Aug 2025289 AMAQI
14th Aug 20253310 AMAQI
14th Aug 20252611 AMAQI
14th Aug 20252812 PMAQI
14th Aug 2025251 PMAQI
14th Aug 2025252 PMAQI
14th Aug 2025253 PMAQI
14th Aug 2025224 PMAQI
14th Aug 2025295 PMAQI
14th Aug 2025236 PMAQI
14th Aug 2025187 PMAQI
14th Aug 2025288 PMAQI
14th Aug 2025389 PMAQI
14th Aug 20253610 PMAQI
14th Aug 20253811 PMAQI
15th Aug 20254012 AMAQI
15th Aug 2025451 AMAQI
15th Aug 2025462 AMAQI
15th Aug 2025463 AMAQI
15th Aug 2025434 AMAQI

25°C22/28°C

15th Aug 2025415 AMAQI
15th Aug 2025416 AMAQI
15th Aug 2025407 AMAQI
15th Aug 2025428 AMAQI
15th Aug 2025339 AMAQI
15th Aug 20252810 AMAQI
15th Aug 20253011 AMAQI
15th Aug 20253612 PMAQI
15th Aug 2025271 PMAQI
15th Aug 2025282 PMAQI
15th Aug 2025333 PMAQI
15th Aug 2025244 PMAQI
15th Aug 2025235 PMAQI
15th Aug 2025246 PMAQI
15th Aug 2025257 PMAQI
15th Aug 2025298 PMAQI
15th Aug 2025379 PMAQI
15th Aug 20253810 PMAQI
15th Aug 20253511 PMAQI
16th Aug 20253812 AMAQI
16th Aug 2025421 AMAQI
16th Aug 2025422 AMAQI
16th Aug 2025433 AMAQI
16th Aug 2025424 AMAQI

26°C22/30°C

16th Aug 2025415 AMAQI
16th Aug 2025416 AMAQI
16th Aug 2025417 AMAQI
16th Aug 2025418 AMAQI
16th Aug 2025329 AMAQI
16th Aug 20254010 AMAQI
16th Aug 20253611 AMAQI
16th Aug 20253112 PMAQI
16th Aug 2025391 PMAQI
16th Aug 2025372 PMAQI
16th Aug 2025343 PMAQI
16th Aug 2025304 PMAQI
16th Aug 2025375 PMAQI
16th Aug 2025286 PMAQI
16th Aug 2025277 PMAQI
16th Aug 2025338 PMAQI
16th Aug 2025379 PMAQI
16th Aug 20253710 PMAQI
16th Aug 20253611 PMAQI
17th Aug 20253812 AMAQI
17th Aug 2025401 AMAQI
17th Aug 2025412 AMAQI
17th Aug 2025423 AMAQI
17th Aug 2025414 AMAQI

26°C22/32°C

17th Aug 2025405 AMAQI
17th Aug 2025416 AMAQI
17th Aug 2025407 AMAQI
17th Aug 2025408 AMAQI
17th Aug 2025299 AMAQI
17th Aug 20252610 AMAQI
17th Aug 20253211 AMAQI
17th Aug 20253112 PMAQI
17th Aug 2025331 PMAQI
17th Aug 2025342 PMAQI
17th Aug 2025353 PMAQI
17th Aug 2025364 PMAQI
17th Aug 2025425 PMAQI
17th Aug 2025446 PMAQI
17th Aug 2025447 PMAQI
17th Aug 2025388 PMAQI
17th Aug 2025479 PMAQI
17th Aug 20254410 PMAQI
17th Aug 20254611 PMAQI
18th Aug 20254612 AMAQI
18th Aug 2025441 AMAQI
18th Aug 2025402 AMAQI
18th Aug 2025403 AMAQI
18th Aug 2025384 AMAQI

25°C21/32°C

18th Aug 2025405 AMAQI
18th Aug 2025416 AMAQI
18th Aug 2025427 AMAQI
18th Aug 2025408 AMAQI
18th Aug 2025539 AMAQI
18th Aug 20255510 AMAQI
18th Aug 20256111 AMAQI
18th Aug 20255212 PMAQI
18th Aug 2025581 PMAQI
18th Aug 2025552 PMAQI
18th Aug 2025583 PMAQI
18th Aug 2025614 PMAQI
18th Aug 2025605 PMAQI
18th Aug 2025606 PMAQI
18th Aug 2025577 PMAQI
18th Aug 2025528 PMAQI
18th Aug 2025529 PMAQI
18th Aug 20254910 PMAQI
18th Aug 20254811 PMAQI
19th Aug 20254412 AMAQI
19th Aug 2025441 AMAQI
19th Aug 2025432 AMAQI
19th Aug 2025423 AMAQI
19th Aug 2025454 AMAQI

26°C22/32°C

19th Aug 2025465 AMAQI
19th Aug 2025466 AMAQI
19th Aug 2025467 AMAQI
19th Aug 2025488 AMAQI
19th Aug 2025489 AMAQI
19th Aug 20255210 AMAQI
19th Aug 20254011 AMAQI
19th Aug 20255112 PMAQI
19th Aug 2025561 PMAQI
19th Aug 2025442 PMAQI
19th Aug 2025383 PMAQI
19th Aug 2025384 PMAQI
19th Aug 2025435 PMAQI
19th Aug 2025336 PMAQI
19th Aug 2025367 PMAQI
19th Aug 2025458 PMAQI
19th Aug 2025399 PMAQI
19th Aug 20253710 PMAQI
19th Aug 20254111 PMAQI
20th Aug 20254412 AMAQI
20th Aug 2025461 AMAQI
20th Aug 2025472 AMAQI
20th Aug 2025463 AMAQI
20th Aug 2025484 AMAQI

27°C24/31°C

20th Aug 2025485 AMAQI
20th Aug 2025466 AMAQI
20th Aug 2025467 AMAQI
20th Aug 2025478 AMAQI
20th Aug 2025349 AMAQI
20th Aug 20254410 AMAQI
20th Aug 20254411 AMAQI
20th Aug 20254212 PMAQI
20th Aug 2025381 PMAQI
20th Aug 2025382 PMAQI
20th Aug 2025433 PMAQI
20th Aug 2025534 PMAQI
20th Aug 2025435 PMAQI
20th Aug 2025416 PMAQI
20th Aug 2025487 PMAQI
20th Aug 2025498 PMAQI
20th Aug 2025509 PMAQI
20th Aug 20254510 PMAQI
20th Aug 20254511 PMAQI
21st Aug 20254312 AMAQI
21st Aug 2025481 AMAQI
21st Aug 2025472 AMAQI
21st Aug 2025463 AMAQI
21st Aug 2025464 AMAQI

27°C22/33°C

21st Aug 2025465 AMAQI
21st Aug 2025466 AMAQI
21st Aug 2025467 AMAQI
21st Aug 2025468 AMAQI
21st Aug 2025439 AMAQI
21st Aug 20254210 AMAQI
21st Aug 20254211 AMAQI
21st Aug 20253712 PMAQI
21st Aug 2025391 PMAQI
21st Aug 2025512 PMAQI
21st Aug 2025473 PMAQI
21st Aug 2025494 PMAQI
21st Aug 2025415 PMAQI
21st Aug 2025366 PMAQI
21st Aug 2025417 PMAQI
21st Aug 2025428 PMAQI
21st Aug 2025519 PMAQI
21st Aug 20255110 PMAQI
21st Aug 20255211 PMAQI
22nd Aug 20254912 AMAQI
22nd Aug 2025451 AMAQI
22nd Aug 2025472 AMAQI

--°C/°C

5 AM
12 PM
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

49AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM

45AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 49), while the lowest AQI was between 9 AM to 7 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 4 AM

50AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM

46AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 50), while the lowest AQI was between 8 PM to 8 PM (Avg. 46).

2025 Days Vs Air Quality

Yongam Dong, Cheongju, Chungbuk, South Korea

2025

31%

71

64%

149

5%

12

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

Good
71 Days
Moderate
149 Days
Poor
12 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 31%

Health Risk Level:

High

In 2025, 31% of 233 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

Yongam Dong, Cheongju, 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
2nd January 2025
70AQI
3rd January 2025
59AQI
4th January 2025
60AQI
5th January 2025
63AQI
6th January 2025
89AQI
7th January 2025
55AQI
8th January 2025
63AQI
9th January 2025
41AQI
10th January 2025
62AQI
11th January 2025
62AQI
12th January 2025
84AQI
13th January 2025
90AQI
14th January 2025
90AQI
15th January 2025
59AQI
16th January 2025
70AQI
17th January 2025
95AQI
18th January 2025
97AQI
19th January 2025
96AQI
20th January 2025
112AQI
21st January 2025
141AQI
22nd January 2025
140AQI
23rd January 2025
128AQI
24th January 2025
125AQI
25th January 2025
90AQI
26th January 2025
65AQI
27th January 2025
68AQI
28th January 2025
55AQI
29th January 2025
63AQI
30th January 2025
60AQI
31st January 2025
82AQI
1st February 2025
94AQI
2nd February 2025
90AQI
3rd February 2025
62AQI
4th February 2025
54AQI
5th February 2025
46AQI
6th February 2025
52AQI
7th February 2025
47AQI
8th February 2025
48AQI
9th February 2025
56AQI
10th February 2025
59AQI
11th February 2025
81AQI
12th February 2025
79AQI
13th February 2025
54AQI
14th February 2025
80AQI
15th February 2025
58AQI
16th February 2025
102AQI
17th February 2025
54AQI
18th February 2025
65AQI
19th February 2025
56AQI
20th February 2025
59AQI
21st February 2025
58AQI
22nd February 2025
63AQI
23rd February 2025
60AQI
24th February 2025
59AQI
25th February 2025
56AQI
26th February 2025
77AQI
27th February 2025
65AQI
28th February 2025
80AQI
1st March 2025
106AQI
2nd March 2025
88AQI
3rd March 2025
59AQI
4th March 2025
49AQI
5th March 2025
45AQI
6th March 2025
71AQI
7th March 2025
87AQI
8th March 2025
77AQI
9th March 2025
91AQI
10th March 2025
89AQI
11th March 2025
105AQI
12th March 2025
96AQI
13th March 2025
96AQI
14th March 2025
83AQI
15th March 2025
57AQI
16th March 2025
70AQI
17th March 2025
61AQI
18th March 2025
73AQI
19th March 2025
77AQI
20th March 2025
87AQI
21st March 2025
95AQI
22nd March 2025
102AQI
23rd March 2025
104AQI
24th March 2025
103AQI
25th March 2025
124AQI
26th March 2025
80AQI
27th March 2025
90AQI
28th March 2025
73AQI
29th March 2025
52AQI
30th March 2025
57AQI
31st March 2025
60AQI
1st April 2025
75AQI
2nd April 2025
72AQI
3rd April 2025
81AQI
4th April 2025
84AQI
5th April 2025
68AQI
6th April 2025
68AQI
7th April 2025
64AQI
8th April 2025
75AQI
9th April 2025
65AQI
10th April 2025
74AQI
11th April 2025
79AQI
12th April 2025
63AQI
13th April 2025
59AQI
14th April 2025
45AQI
15th April 2025
57AQI
16th April 2025
62AQI
17th April 2025
65AQI
18th April 2025
79AQI
19th April 2025
56AQI
20th April 2025
60AQI
21st April 2025
46AQI
22nd April 2025
41AQI
23rd April 2025
33AQI
24th April 2025
58AQI
25th April 2025
62AQI
26th April 2025
52AQI
27th April 2025
45AQI
28th April 2025
55AQI
29th April 2025
62AQI
30th April 2025
57AQI
1st May 2025
51AQI
2nd May 2025
53AQI
3rd May 2025
50AQI
4th May 2025
46AQI
5th May 2025
50AQI
6th May 2025
48AQI
7th May 2025
53AQI
8th May 2025
69AQI
9th May 2025
46AQI
10th May 2025
47AQI
11th May 2025
64AQI
12th May 2025
65AQI
13th May 2025
71AQI
14th May 2025
74AQI
15th May 2025
54AQI
16th May 2025
51AQI
17th May 2025
46AQI
18th May 2025
58AQI
19th May 2025
59AQI
20th May 2025
42AQI
21st May 2025
40AQI
22nd May 2025
53AQI
23rd May 2025
57AQI
24th May 2025
48AQI
25th May 2025
47AQI
26th May 2025
57AQI
27th May 2025
67AQI
28th May 2025
74AQI
29th May 2025
77AQI
30th May 2025
61AQI
31st May 2025
71AQI
1st June 2025
83AQI
2nd June 2025
97AQI
3rd June 2025
83AQI
4th June 2025
58AQI
5th June 2025
57AQI
6th June 2025
61AQI
7th June 2025
65AQI
8th June 2025
63AQI
9th June 2025
60AQI
10th June 2025
60AQI
11th June 2025
55AQI
12th June 2025
57AQI
13th June 2025
62AQI
14th June 2025
40AQI
15th June 2025
50AQI
16th June 2025
55AQI
17th June 2025
61AQI
18th June 2025
63AQI
19th June 2025
64AQI
20th June 2025
43AQI
21st June 2025
40AQI
22nd June 2025
37AQI
23rd June 2025
50AQI
24th June 2025
44AQI
25th June 2025
35AQI
26th June 2025
48AQI
27th June 2025
61AQI
28th June 2025
60AQI
29th June 2025
46AQI
30th June 2025
41AQI
1st July 2025
38AQI
2nd July 2025
35AQI
3rd July 2025
50AQI
4th July 2025
49AQI
5th July 2025
48AQI
6th July 2025
50AQI
7th July 2025
59AQI
8th July 2025
57AQI
9th July 2025
52AQI
10th July 2025
45AQI
11th July 2025
46AQI
12th July 2025
47AQI
13th July 2025
59AQI
14th July 2025
51AQI
15th July 2025
37AQI
16th July 2025
50AQI
17th July 2025
36AQI
18th July 2025
37AQI
19th July 2025
30AQI
20th July 2025
37AQI
21st July 2025
41AQI
22nd July 2025
36AQI
23rd July 2025
49AQI
24th July 2025
55AQI
25th July 2025
49AQI
26th July 2025
42AQI
27th July 2025
36AQI
28th July 2025
49AQI
29th July 2025
50AQI
30th July 2025
50AQI
31st July 2025
51AQI
1st August 2025
56AQI
2nd August 2025
61AQI
3rd August 2025
59AQI
4th August 2025
49AQI
5th August 2025
49AQI
6th August 2025
45AQI
7th August 2025
49AQI
8th August 2025
51AQI
9th August 2025
55AQI
10th August 2025
48AQI
11th August 2025
53AQI
12th August 2025
40AQI
13th August 2025
38AQI
14th August 2025
35AQI
15th August 2025
35AQI
16th August 2025
37AQI
17th August 2025
39AQI
18th August 2025
50AQI
19th August 2025
43AQI
20th August 2025
45AQI
21st August 2025
22nd August 2025
23rd August 2025
24th August 2025
25th August 2025
26th August 2025
27th August 2025
28th August 2025
29th August 2025
30th August 2025
31st August 2025
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
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

81AQI

65AQI

81AQI

62AQI

56AQI

57AQI

46AQI

47AQI

No. of days

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

202562AQI

1
25
5
3
24
1
2
23
6
5
25
11
20
11
19
24
7
14
6
71
149
12

Highest AQI recorded in

March

81AQI

Lowest AQI recorded in

July

46AQI

202460AQI

2
17
12
10
12
6
1
5
23
2
1
7
19
4
11
19
1
7
23
27
4
17
14
24
6
17
13
1
13
17
2
29
142
196
26
2

Highest AQI recorded in

January

97AQI

Lowest AQI recorded in

July

32AQI

202372AQI

3
20
6
2
14
9
5
1
16
13
1
6
18
5
1
10
20
1
6
24
17
12
2
14
17
15
14
1
4
25
2
2
24
2
5
13
11
2
83
217
52
10
1

Highest AQI recorded in

February

104AQI

Lowest AQI recorded in

July

48AQI

202272AQI

2
18
9
1
4
12
4
1
8
12
11
11
17
2
6
24
1
16
14
8
16
1
12
14
2
7
21
3
1
17
11
1
19
11
1
75
185
54
4

Highest AQI recorded in

November

96AQI

Lowest AQI recorded in

August

52AQI

202162AQI

7
19
4
9
13
6
6
17
7
1
12
18
13
15
1
1
1
10
20
27
4
21
10
27
3
10
18
3
5
18
5
2
11
12
8
158
167
34
3
1
1

Highest AQI recorded in

March

83AQI

Lowest AQI recorded in

September

36AQI

202056AQI

3
10
8
13
6
11
1
13
17
27
4
22
8
1
24
6
11
17
3
9
16
4
1
7
16
8
130
118
17
1

Highest AQI recorded in

December

79AQI

Lowest AQI recorded in

July

32AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
72AQI
Least Polluted Year Recorded
2020(Avg.)
56AQI

Yongam Dong's annual 2025 AQI (62) shows an average percentage change of -2.3% (improved AQI) compared to previous years: 2020 (56), 2021 (62), 2022 (72), 2023 (72), 2024 (60).