Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Sannam 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

Sannam Dong, Cheongju, Chungbuk, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
28th Aug 2021
79AQI
Lowest AQI recorded on
2nd Aug 2021
17AQI

Same Day Analysis (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 6th Aug - 7th Aug 2025

Sannam Dong, Cheongju, Chungbuk, South Korea

AQI
Day
Night
.

5 AM6th Aug 2025

7 PM

4 AM7th Aug 2025

Day time
Avg. Highest Time
6AM6th Aug

54AQI

Avg. Lowest Time
9AM6th Aug

28AQI

Night time
Avg. Highest Time
1AM7th Aug

53AQI

Avg. Lowest Time
12AM7th Aug

45AQI

In the last 24 hours,

Sannam Dong's AQI reached its highest point of 54 at 6 AM during the Day, while the lowest point, 28, was recorded at 9 AM during the Day between 6th Aug and 7th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Sannam Dong, Cheongju, Chungbuk, South Korea

JulAug
08th - 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 - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025525 AMAQI
8th Jul 2025526 AMAQI
8th Jul 2025527 AMAQI
8th Jul 2025528 AMAQI
8th Jul 2025729 AMAQI
8th Jul 20257210 AMAQI
8th Jul 20256511 AMAQI
8th Jul 20256112 PMAQI
8th Jul 2025591 PMAQI
8th Jul 2025592 PMAQI
8th Jul 2025593 PMAQI
8th Jul 2025604 PMAQI
8th Jul 2025585 PMAQI
8th Jul 2025586 PMAQI
8th Jul 2025607 PMAQI
8th Jul 2025598 PMAQI
8th Jul 2025569 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20255811 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025551 AMAQI
9th Jul 2025552 AMAQI
9th Jul 2025553 AMAQI
9th Jul 2025554 AMAQI

29°C23/36°C

9th Jul 2025565 AMAQI
9th Jul 2025566 AMAQI
9th Jul 2025567 AMAQI
9th Jul 2025568 AMAQI
9th Jul 2025559 AMAQI
9th Jul 20255410 AMAQI
9th Jul 20255211 AMAQI
9th Jul 20255412 PMAQI
9th Jul 2025511 PMAQI
9th Jul 2025482 PMAQI
9th Jul 2025473 PMAQI
9th Jul 2025484 PMAQI
9th Jul 2025495 PMAQI
9th Jul 2025496 PMAQI
9th Jul 2025497 PMAQI
9th Jul 2025498 PMAQI
9th Jul 2025549 PMAQI
9th Jul 20255510 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255412 AMAQI
10th Jul 2025541 AMAQI
10th Jul 2025542 AMAQI
10th Jul 2025563 AMAQI
10th Jul 2025564 AMAQI

28°C23/35°C

10th Jul 2025555 AMAQI
10th Jul 2025566 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025568 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20253710 AMAQI
10th Jul 20253611 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025401 PMAQI
10th Jul 2025392 PMAQI
10th Jul 2025403 PMAQI
10th Jul 2025394 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025346 PMAQI
10th Jul 2025307 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025589 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255711 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025581 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI

27°C21/34°C

11th Jul 2025585 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025547 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20252510 AMAQI
11th Jul 20253311 AMAQI
11th Jul 20253812 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025362 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025454 PMAQI
11th Jul 2025475 PMAQI
11th Jul 2025466 PMAQI
11th Jul 2025457 PMAQI
11th Jul 2025508 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 2025564 AMAQI

26°C21/33°C

12th Jul 2025565 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025389 AMAQI
12th Jul 20253110 AMAQI
12th Jul 20253411 AMAQI
12th Jul 20253312 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025393 PMAQI
12th Jul 2025394 PMAQI
12th Jul 2025415 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025544 AMAQI

26°C19/33°C

13th Jul 2025535 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025469 AMAQI
13th Jul 20255610 AMAQI
13th Jul 20256011 AMAQI
13th Jul 20255512 PMAQI
13th Jul 2025571 PMAQI
13th Jul 2025582 PMAQI
13th Jul 2025593 PMAQI
13th Jul 2025614 PMAQI
13th Jul 2025665 PMAQI
13th Jul 2025686 PMAQI
13th Jul 2025697 PMAQI
13th Jul 2025678 PMAQI
13th Jul 2025589 PMAQI
13th Jul 20255810 PMAQI
13th Jul 20255511 PMAQI
14th Jul 20255412 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI

23°C19/28°C

14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025469 AMAQI
14th Jul 20254110 AMAQI
14th Jul 20255611 AMAQI
14th Jul 20255612 PMAQI
14th Jul 2025591 PMAQI
14th Jul 2025632 PMAQI
14th Jul 2025643 PMAQI
14th Jul 2025654 PMAQI
14th Jul 2025665 PMAQI
14th Jul 2025466 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025468 PMAQI
14th Jul 2025539 PMAQI
14th Jul 20255310 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255212 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025554 AMAQI

22°C19/27°C

15th Jul 2025555 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025269 AMAQI
15th Jul 20251710 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025372 PMAQI
15th Jul 2025373 PMAQI
15th Jul 2025354 PMAQI
15th Jul 2025345 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025418 PMAQI
15th Jul 2025519 PMAQI
15th Jul 20255210 PMAQI
15th Jul 20255211 PMAQI
16th Jul 20255212 AMAQI
16th Jul 2025531 AMAQI
16th Jul 2025532 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025534 AMAQI

21°C19/24°C

16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025549 AMAQI
16th Jul 20255710 AMAQI
16th Jul 20255611 AMAQI
16th Jul 20255712 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025542 PMAQI
16th Jul 2025553 PMAQI
16th Jul 2025504 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025477 PMAQI
16th Jul 2025458 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20254911 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025523 AMAQI
17th Jul 2025524 AMAQI

21°C19/24°C

17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025538 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20251910 AMAQI
17th Jul 20252011 AMAQI
17th Jul 20252312 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025293 PMAQI
17th Jul 2025274 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025277 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254511 PMAQI
18th Jul 20254812 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025523 AMAQI
18th Jul 2025514 AMAQI

23°C20/26°C

18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025507 AMAQI
18th Jul 2025508 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252711 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025341 PMAQI
18th Jul 2025342 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025347 PMAQI
18th Jul 2025388 PMAQI
18th Jul 2025489 PMAQI
18th Jul 20254610 PMAQI
18th Jul 20254411 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025461 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025483 AMAQI
19th Jul 2025474 AMAQI

23°C20/27°C

19th Jul 2025445 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025467 AMAQI
19th Jul 2025468 AMAQI
19th Jul 2025219 AMAQI
19th Jul 20251410 AMAQI
19th Jul 20251611 AMAQI
19th Jul 20251412 PMAQI
19th Jul 2025181 PMAQI
19th Jul 2025172 PMAQI
19th Jul 2025163 PMAQI
19th Jul 2025164 PMAQI
19th Jul 2025165 PMAQI
19th Jul 2025156 PMAQI
19th Jul 2025167 PMAQI
19th Jul 2025228 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253610 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253312 AMAQI
20th Jul 2025421 AMAQI
20th Jul 2025472 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025454 AMAQI

25°C22/28°C

20th Jul 2025415 AMAQI
20th Jul 2025416 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252012 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025212 PMAQI
20th Jul 2025183 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025505 PMAQI
20th Jul 2025466 PMAQI
20th Jul 2025487 PMAQI
20th Jul 2025508 PMAQI
20th Jul 2025479 PMAQI
20th Jul 20254510 PMAQI
20th Jul 20254611 PMAQI
21st Jul 20254812 AMAQI
21st Jul 2025421 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025414 AMAQI

27°C22/33°C

21st Jul 2025385 AMAQI
21st Jul 2025386 AMAQI
21st Jul 2025377 AMAQI
21st Jul 2025378 AMAQI
21st Jul 2025489 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255711 AMAQI
21st Jul 20255512 PMAQI
21st Jul 2025521 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025268 PMAQI
21st Jul 2025299 PMAQI
21st Jul 20253010 PMAQI
21st Jul 20253011 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
22nd Jul 2025424 AMAQI

27°C22/31°C

22nd Jul 2025445 AMAQI
22nd Jul 2025466 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025448 AMAQI
22nd Jul 2025349 AMAQI
22nd Jul 20253510 AMAQI
22nd Jul 20253211 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025272 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025226 PMAQI
22nd Jul 2025207 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025369 PMAQI
22nd Jul 20254110 PMAQI
22nd Jul 20254111 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025451 AMAQI
23rd Jul 2025442 AMAQI
23rd Jul 2025433 AMAQI
23rd Jul 2025414 AMAQI

26°C22/31°C

23rd Jul 2025405 AMAQI
23rd Jul 2025406 AMAQI
23rd Jul 2025407 AMAQI
23rd Jul 2025408 AMAQI
23rd Jul 2025489 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20256012 PMAQI
23rd Jul 2025511 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025544 PMAQI
23rd Jul 2025465 PMAQI
23rd Jul 2025456 PMAQI
23rd Jul 2025487 PMAQI
23rd Jul 2025578 PMAQI
23rd Jul 2025539 PMAQI
23rd Jul 20255110 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20254912 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 2025468 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20256210 AMAQI
24th Jul 20256411 AMAQI
24th Jul 20256812 PMAQI
24th Jul 2025691 PMAQI
24th Jul 2025702 PMAQI
24th Jul 2025593 PMAQI
24th Jul 2025644 PMAQI
24th Jul 2025685 PMAQI
24th Jul 2025666 PMAQI
24th Jul 2025677 PMAQI
24th Jul 2025658 PMAQI
24th Jul 2025599 PMAQI
24th Jul 20256110 PMAQI
24th Jul 20256011 PMAQI
25th Jul 20256012 AMAQI
25th Jul 2025591 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025474 AMAQI

27°C22/34°C

25th Jul 2025525 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025659 AMAQI
25th Jul 20256810 AMAQI
25th Jul 20256411 AMAQI
25th Jul 20255712 PMAQI
25th Jul 2025491 PMAQI
25th Jul 2025432 PMAQI
25th Jul 2025343 PMAQI
25th Jul 2025414 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025337 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025539 PMAQI
25th Jul 20255410 PMAQI
25th Jul 20255611 PMAQI
26th Jul 20255512 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025532 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025534 AMAQI

28°C22/35°C

26th Jul 2025545 AMAQI
26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025469 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20252611 AMAQI
26th Jul 20252712 PMAQI
26th Jul 2025271 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025283 PMAQI
26th Jul 2025234 PMAQI
26th Jul 2025235 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025297 PMAQI
26th Jul 2025418 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20254910 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025542 AMAQI
27th Jul 2025543 AMAQI
27th Jul 2025534 AMAQI

28°C22/35°C

27th Jul 2025525 AMAQI
27th Jul 2025526 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025359 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252312 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025193 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025185 PMAQI
27th Jul 2025176 PMAQI
27th Jul 2025187 PMAQI
27th Jul 2025298 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254410 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20254112 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025523 AMAQI
28th Jul 2025514 AMAQI

29°C23/36°C

28th Jul 2025485 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025399 AMAQI
28th Jul 20254610 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025531 PMAQI
28th Jul 2025602 PMAQI
28th Jul 2025563 PMAQI
28th Jul 2025584 PMAQI
28th Jul 2025575 PMAQI
28th Jul 2025546 PMAQI
28th Jul 2025557 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025579 PMAQI
28th Jul 20255810 PMAQI
28th Jul 20255611 PMAQI
29th Jul 20255412 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025512 AMAQI
29th Jul 2025503 AMAQI
29th Jul 2025504 AMAQI

28°C23/34°C

29th Jul 2025505 AMAQI
29th Jul 2025516 AMAQI
29th Jul 2025517 AMAQI
29th Jul 2025528 AMAQI
29th Jul 2025689 AMAQI
29th Jul 20257710 AMAQI
29th Jul 20256911 AMAQI
29th Jul 20256912 PMAQI
29th Jul 2025661 PMAQI
29th Jul 2025662 PMAQI
29th Jul 2025573 PMAQI
29th Jul 2025444 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025446 PMAQI
29th Jul 2025407 PMAQI
29th Jul 2025418 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20255111 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025521 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025513 AMAQI
30th Jul 2025524 AMAQI

29°C23/36°C

30th Jul 2025545 AMAQI
30th Jul 2025546 AMAQI
30th Jul 2025547 AMAQI
30th Jul 2025548 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20255610 AMAQI
30th Jul 20255411 AMAQI
30th Jul 20255212 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025502 PMAQI
30th Jul 2025413 PMAQI
30th Jul 2025364 PMAQI
30th Jul 2025415 PMAQI
30th Jul 2025466 PMAQI
30th Jul 2025487 PMAQI
30th Jul 2025518 PMAQI
30th Jul 2025559 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255512 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 20255611 AMAQI
31st Jul 20255612 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025524 PMAQI
31st Jul 2025505 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025477 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025529 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025531 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 2025559 AMAQI
1st Aug 20256110 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025589 PMAQI
1st Aug 20256010 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025531 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025544 AMAQI

28°C22/34°C

2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025779 AMAQI
2nd Aug 20257610 AMAQI
2nd Aug 20257011 AMAQI
2nd Aug 20258012 PMAQI
2nd Aug 2025741 PMAQI
2nd Aug 2025632 PMAQI
2nd Aug 2025663 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025625 PMAQI
2nd Aug 2025676 PMAQI
2nd Aug 2025657 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255710 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 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 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025609 AMAQI
3rd Aug 20256210 AMAQI
3rd Aug 20256311 AMAQI
3rd Aug 20256612 PMAQI
3rd Aug 2025711 PMAQI
3rd Aug 2025652 PMAQI
3rd Aug 2025713 PMAQI
3rd Aug 2025634 PMAQI
3rd Aug 2025625 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025627 PMAQI
3rd Aug 2025598 PMAQI
3rd Aug 2025579 PMAQI
3rd Aug 20255510 PMAQI
3rd Aug 20255211 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 2025598 AMAQI
4th Aug 2025379 AMAQI
4th Aug 20253510 AMAQI
4th Aug 20253411 AMAQI
4th Aug 20252912 PMAQI
4th Aug 2025341 PMAQI
4th Aug 2025422 PMAQI
4th Aug 2025383 PMAQI
4th Aug 2025404 PMAQI
4th Aug 2025465 PMAQI
4th Aug 2025426 PMAQI
4th Aug 2025347 PMAQI
4th Aug 2025488 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255312 AMAQI
5th Aug 2025541 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 2025409 AMAQI
5th Aug 20254610 AMAQI
5th Aug 20255211 AMAQI
5th Aug 20255112 PMAQI
5th Aug 2025391 PMAQI
5th Aug 2025422 PMAQI
5th Aug 2025443 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025475 PMAQI
5th Aug 2025436 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025458 PMAQI
5th Aug 2025479 PMAQI
5th Aug 20254810 PMAQI
5th Aug 20254411 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 2025528 AMAQI
6th Aug 2025289 AMAQI
6th Aug 20253010 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20253512 PMAQI
6th Aug 2025381 PMAQI
6th Aug 2025412 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025394 PMAQI
6th Aug 2025425 PMAQI
6th Aug 2025436 PMAQI
6th Aug 2025487 PMAQI
6th Aug 2025518 PMAQI
6th Aug 2025489 PMAQI
6th Aug 20254710 PMAQI
6th Aug 20254611 PMAQI
7th Aug 20254512 AMAQI
7th Aug 2025531 AMAQI
7th Aug 2025532 AMAQI
7th Aug 2025533 AMAQI
7th Aug 2025524 AMAQI

26°C24/29°C

7th Aug 2025505 AMAQI
5 AM
7th Aug 2025506 AMAQI
7th Aug 2025507 AMAQI
7th Aug 2025518 AMAQI
7th Aug 2025369 AMAQI
7th Aug 20253810 AMAQI
7th Aug 20254011 AMAQI
7th Aug 20253712 PMAQI
12 PM
7th Aug 2025401 PMAQI
7th Aug 2025492 PMAQI
7th Aug 2025463 PMAQI
7th Aug 2025524 PMAQI
7th Aug 2025545 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

51AQI

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. 51), while the lowest AQI was between 9 AM to 7 PM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 4 AM

52AQI

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

47AQI

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. 52), while the lowest AQI was between 8 PM to 8 PM (Avg. 47).

2025 Days Vs Air Quality

Sannam Dong, Cheongju, Chungbuk, South Korea

2025

24%

53

70%

153

6%

12

Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)

Good
53 Days
Moderate
153 Days
Poor
12 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 24%

Health Risk Level:

Very high

In 2025, 24% of 219 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Sannam 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.

1st January 2025
70AQI
2nd January 2025
71AQI
3rd January 2025
59AQI
4th January 2025
61AQI
5th January 2025
64AQI
6th January 2025
90AQI
7th January 2025
57AQI
8th January 2025
69AQI
9th January 2025
42AQI
10th January 2025
60AQI
11th January 2025
62AQI
12th January 2025
83AQI
13th January 2025
89AQI
14th January 2025
91AQI
15th January 2025
60AQI
16th January 2025
70AQI
17th January 2025
95AQI
18th January 2025
97AQI
19th January 2025
98AQI
20th January 2025
112AQI
21st January 2025
143AQI
22nd January 2025
139AQI
23rd January 2025
129AQI
24th January 2025
122AQI
25th January 2025
90AQI
26th January 2025
66AQI
27th January 2025
69AQI
28th January 2025
57AQI
29th January 2025
63AQI
30th January 2025
59AQI
31st January 2025
81AQI
1st February 2025
92AQI
2nd February 2025
91AQI
3rd February 2025
64AQI
4th February 2025
56AQI
5th February 2025
50AQI
6th February 2025
53AQI
7th February 2025
51AQI
8th February 2025
46AQI
9th February 2025
57AQI
10th February 2025
59AQI
11th February 2025
84AQI
12th February 2025
82AQI
13th February 2025
55AQI
14th February 2025
80AQI
15th February 2025
60AQI
16th February 2025
101AQI
17th February 2025
53AQI
18th February 2025
63AQI
19th February 2025
51AQI
20th February 2025
57AQI
21st February 2025
56AQI
22nd February 2025
61AQI
23rd February 2025
59AQI
24th February 2025
56AQI
25th February 2025
57AQI
26th February 2025
74AQI
27th February 2025
63AQI
28th February 2025
80AQI
1st March 2025
105AQI
2nd March 2025
84AQI
3rd March 2025
59AQI
4th March 2025
48AQI
5th March 2025
44AQI
6th March 2025
71AQI
7th March 2025
86AQI
8th March 2025
81AQI
9th March 2025
89AQI
10th March 2025
90AQI
11th March 2025
105AQI
12th March 2025
97AQI
13th March 2025
94AQI
14th March 2025
83AQI
15th March 2025
54AQI
16th March 2025
71AQI
17th March 2025
60AQI
18th March 2025
74AQI
19th March 2025
76AQI
20th March 2025
87AQI
21st March 2025
94AQI
22nd March 2025
101AQI
23rd March 2025
101AQI
24th March 2025
104AQI
25th March 2025
125AQI
26th March 2025
80AQI
27th March 2025
90AQI
28th March 2025
69AQI
29th March 2025
52AQI
30th March 2025
51AQI
31st March 2025
59AQI
1st April 2025
73AQI
2nd April 2025
74AQI
3rd April 2025
81AQI
4th April 2025
82AQI
5th April 2025
69AQI
6th April 2025
67AQI
7th April 2025
64AQI
8th April 2025
75AQI
9th April 2025
64AQI
10th April 2025
74AQI
11th April 2025
77AQI
12th April 2025
62AQI
13th April 2025
60AQI
14th April 2025
44AQI
15th April 2025
53AQI
16th April 2025
60AQI
17th April 2025
63AQI
18th April 2025
79AQI
19th April 2025
54AQI
20th April 2025
61AQI
21st April 2025
44AQI
22nd April 2025
41AQI
23rd April 2025
36AQI
24th April 2025
58AQI
25th April 2025
58AQI
26th April 2025
49AQI
27th April 2025
41AQI
28th April 2025
53AQI
29th April 2025
61AQI
30th April 2025
56AQI
1st May 2025
50AQI
2nd May 2025
51AQI
3rd May 2025
51AQI
4th May 2025
46AQI
5th May 2025
50AQI
6th May 2025
45AQI
7th May 2025
53AQI
8th May 2025
70AQI
9th May 2025
46AQI
10th May 2025
47AQI
11th May 2025
64AQI
12th May 2025
66AQI
13th May 2025
69AQI
14th May 2025
73AQI
15th May 2025
54AQI
16th May 2025
50AQI
17th May 2025
46AQI
18th May 2025
58AQI
19th May 2025
58AQI
20th May 2025
41AQI
21st May 2025
44AQI
22nd May 2025
55AQI
23rd May 2025
57AQI
24th May 2025
48AQI
25th May 2025
46AQI
26th May 2025
57AQI
27th May 2025
67AQI
28th May 2025
74AQI
29th May 2025
78AQI
30th May 2025
61AQI
31st May 2025
72AQI
1st June 2025
83AQI
2nd June 2025
97AQI
3rd June 2025
83AQI
4th June 2025
59AQI
5th June 2025
55AQI
6th June 2025
61AQI
7th June 2025
65AQI
8th June 2025
63AQI
9th June 2025
60AQI
10th June 2025
63AQI
11th June 2025
53AQI
12th June 2025
53AQI
13th June 2025
61AQI
14th June 2025
44AQI
15th June 2025
51AQI
16th June 2025
56AQI
17th June 2025
63AQI
18th June 2025
65AQI
19th June 2025
64AQI
20th June 2025
50AQI
21st June 2025
47AQI
22nd June 2025
45AQI
23rd June 2025
51AQI
24th June 2025
47AQI
25th June 2025
39AQI
26th June 2025
48AQI
27th June 2025
59AQI
28th June 2025
58AQI
29th June 2025
50AQI
30th June 2025
46AQI
1st July 2025
45AQI
2nd July 2025
42AQI
3rd July 2025
50AQI
4th July 2025
51AQI
5th July 2025
49AQI
6th July 2025
51AQI
7th July 2025
56AQI
8th July 2025
57AQI
9th July 2025
54AQI
10th July 2025
49AQI
11th July 2025
50AQI
12th July 2025
49AQI
13th July 2025
57AQI
14th July 2025
54AQI
15th July 2025
45AQI
16th July 2025
52AQI
17th July 2025
41AQI
18th July 2025
42AQI
19th July 2025
31AQI
20th July 2025
39AQI
21st July 2025
39AQI
22nd July 2025
34AQI
23rd July 2025
48AQI
24th July 2025
57AQI
25th July 2025
50AQI
26th July 2025
43AQI
27th July 2025
37AQI
28th July 2025
52AQI
29th July 2025
52AQI
30th July 2025
51AQI
31st July 2025
52AQI
1st August 2025
56AQI
2nd August 2025
62AQI
3rd August 2025
60AQI
4th August 2025
48AQI
5th August 2025
49AQI
6th August 2025
49AQI

81AQI

65AQI

80AQI

61AQI

56AQI

58AQI

48AQI

54AQI

No. of days

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

202564AQI

1
25
5
2
25
1
2
23
6
6
24
12
19
9
21
18
13
3
3
53
153
12

Highest AQI recorded in

January

81AQI

Lowest AQI recorded in

July

48AQI

202458AQI

9
15
7
12
13
4
8
21
2
8
19
3
10
20
1
7
23
27
4
16
15
23
7
17
14
7
22
1
2
29
146
202
18

Highest AQI recorded in

January

77AQI

Lowest AQI recorded in

July

35AQI

202364AQI

5
18
6
2
1
16
7
4
3
19
9
9
16
4
1
7
23
1
6
24
18
12
1
17
14
18
12
13
17
1
10
18
1
11
13
6
1
118
202
36
8

Highest AQI recorded in

February

95AQI

Lowest AQI recorded in

September

41AQI

202276AQI

19
9
2
14
4
3
3
15
13
3
11
3
3
27
1
13
16
1
8
13
1
16
6
3
11
18
2
2
19
8
1
3
21
6
1
63
179
50
7

Highest AQI recorded in

January

96AQI

Lowest AQI recorded in

August

50AQI

202168AQI

8
17
6
7
11
10
6
14
10
1
7
21
2
10
17
2
1
1
5
21
4
27
4
24
7
27
3
9
17
5
5
15
8
2
3
14
13
1
138
161
60
4
1
1

Highest AQI recorded in

December

90AQI

Lowest AQI recorded in

September

37AQI

202065AQI

4
7
2
6
14
1
2
12
4
5
20
5
23
8
24
7
17
12
1
6
21
4
4
16
9
1
7
13
10
1
98
130
36
2

Highest AQI recorded in

November

83AQI

Lowest AQI recorded in

August

39AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
76AQI
Least Polluted Year Recorded
2024(Avg.)
58AQI

Sannam Dong's annual 2025 AQI (64) shows an average percentage change of -2.8% (improved AQI) compared to previous years: 2020 (65), 2021 (68), 2022 (76), 2023 (64), 2024 (58).