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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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
92AQI
Lowest AQI recorded on
5th Aug 2026
11AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 21 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Yongam Dong, Cheongju, Chungbuk, South Korea

AQI
Day
Night
.

5 AM17th Aug 2026

7 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
5AM17th Aug

25AQI

Avg. Lowest Time
7PM17th Aug

17AQI

Night time
Avg. Highest Time
3AM18th Aug

33AQI

Avg. Lowest Time
8PM17th Aug

21AQI

In the last 24 hours,

Yongam Dong's AQI reached its highest point of 33 at 3 AM during the Night, while the lowest point, 17, was recorded at 7 PM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Yongam Dong, Cheongju, Chungbuk, South Korea

JulAug
20th - 21st21st - 22nd22nd - 23rd23rd - 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
Day
Night
20th Jul 2026385 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026407 AMAQI
20th Jul 2026428 AMAQI
20th Jul 2026389 AMAQI
20th Jul 20263810 AMAQI
20th Jul 20263411 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026271 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026293 PMAQI
20th Jul 2026294 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026366 PMAQI
20th Jul 2026407 PMAQI
20th Jul 2026368 PMAQI
20th Jul 2026319 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20263112 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026253 AMAQI
21st Jul 2026254 AMAQI

25°C20/30°C

21st Jul 2026275 AMAQI
21st Jul 2026236 AMAQI
21st Jul 2026237 AMAQI
21st Jul 2026218 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20262110 AMAQI
21st Jul 20262111 AMAQI
21st Jul 2026251 PMAQI
21st Jul 2026252 PMAQI
21st Jul 2026273 PMAQI
21st Jul 2026314 PMAQI
21st Jul 2026365 PMAQI
21st Jul 2026446 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026338 PMAQI
21st Jul 2026339 PMAQI
21st Jul 20262910 PMAQI
21st Jul 20263111 PMAQI
22nd Jul 20262912 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026312 AMAQI
22nd Jul 2026443 AMAQI
22nd Jul 2026454 AMAQI

25°C22/29°C

22nd Jul 2026465 AMAQI
22nd Jul 2026406 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026388 AMAQI
22nd Jul 2026299 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262911 AMAQI
22nd Jul 20264412 PMAQI
22nd Jul 2026531 PMAQI
22nd Jul 2026522 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026464 PMAQI
22nd Jul 2026485 PMAQI
22nd Jul 2026476 PMAQI
22nd Jul 2026427 PMAQI
22nd Jul 2026388 PMAQI
22nd Jul 2026339 PMAQI
22nd Jul 20263110 PMAQI
22nd Jul 20262511 PMAQI
23rd Jul 20262512 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026313 AMAQI
23rd Jul 2026294 AMAQI

27°C23/31°C

23rd Jul 2026315 AMAQI
23rd Jul 2026316 AMAQI
23rd Jul 2026337 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026279 AMAQI
23rd Jul 20263410 AMAQI
23rd Jul 20263311 AMAQI
23rd Jul 20263312 PMAQI
23rd Jul 2026361 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026463 PMAQI
23rd Jul 2026494 PMAQI
23rd Jul 2026465 PMAQI
23rd Jul 2026466 PMAQI
23rd Jul 2026487 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026509 PMAQI
23rd Jul 20264910 PMAQI
23rd Jul 20264411 PMAQI
24th Jul 20263612 AMAQI
24th Jul 2026361 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026483 AMAQI
24th Jul 2026504 AMAQI

26°C22/31°C

24th Jul 2026515 AMAQI
24th Jul 2026466 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026519 AMAQI
24th Jul 20265210 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20265112 PMAQI
24th Jul 2026481 PMAQI
24th Jul 2026442 PMAQI
24th Jul 2026423 PMAQI
24th Jul 2026564 PMAQI
24th Jul 2026465 PMAQI
24th Jul 2026366 PMAQI
24th Jul 2026317 PMAQI
24th Jul 2026338 PMAQI
24th Jul 2026299 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026361 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026313 AMAQI
25th Jul 2026314 AMAQI

27°C22/33°C

25th Jul 2026315 AMAQI
25th Jul 2026316 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026278 AMAQI
25th Jul 2026369 AMAQI
25th Jul 20263810 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026711 PMAQI
25th Jul 2026712 PMAQI
25th Jul 2026533 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026345 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026297 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262010 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026343 AMAQI
26th Jul 2026274 AMAQI

27°C23/31°C

26th Jul 2026295 AMAQI
26th Jul 2026486 AMAQI
26th Jul 2026527 AMAQI
26th Jul 2026538 AMAQI
26th Jul 2026549 AMAQI
26th Jul 20265310 AMAQI
26th Jul 20265111 AMAQI
26th Jul 20263312 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026233 AMAQI
27th Jul 2026234 AMAQI

27°C23/33°C

27th Jul 2026315 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20264811 AMAQI
27th Jul 20266512 PMAQI
27th Jul 2026641 PMAQI
27th Jul 2026682 PMAQI
27th Jul 2026673 PMAQI
27th Jul 2026664 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20262710 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20263112 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026402 AMAQI
28th Jul 2026513 AMAQI
28th Jul 2026384 AMAQI

27°C24/33°C

28th Jul 2026385 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026467 AMAQI
28th Jul 2026448 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20265010 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20266012 PMAQI
28th Jul 2026651 PMAQI
28th Jul 2026712 PMAQI
28th Jul 2026713 PMAQI
28th Jul 2026684 PMAQI
28th Jul 2026655 PMAQI
28th Jul 2026686 PMAQI
28th Jul 2026697 PMAQI
28th Jul 2026698 PMAQI
28th Jul 2026699 PMAQI
28th Jul 20266510 PMAQI
28th Jul 20266811 PMAQI
29th Jul 20266812 AMAQI
29th Jul 2026681 AMAQI
29th Jul 2026712 AMAQI
29th Jul 2026663 AMAQI
29th Jul 2026684 AMAQI

27°C23/32°C

29th Jul 2026705 AMAQI
29th Jul 2026696 AMAQI
29th Jul 2026567 AMAQI
29th Jul 2026428 AMAQI
29th Jul 2026469 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20264212 PMAQI
29th Jul 2026441 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026543 PMAQI
29th Jul 2026584 PMAQI
29th Jul 2026475 PMAQI
29th Jul 2026286 PMAQI
29th Jul 2026127 PMAQI
29th Jul 2026128 PMAQI
29th Jul 2026269 PMAQI
29th Jul 20262410 PMAQI
29th Jul 20261611 PMAQI
30th Jul 20263312 AMAQI
30th Jul 2026221 AMAQI
30th Jul 2026332 AMAQI
30th Jul 2026363 AMAQI
30th Jul 2026314 AMAQI

26°C22/32°C

30th Jul 2026315 AMAQI
30th Jul 2026336 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026331 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026318 PMAQI
30th Jul 2026229 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262212 AMAQI
31st Jul 2026201 AMAQI
31st Jul 2026142 AMAQI
31st Jul 2026183 AMAQI
31st Jul 2026184 AMAQI

26°C22/32°C

31st Jul 2026205 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026298 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20264911 AMAQI
31st Jul 20265712 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026292 PMAQI
31st Jul 2026383 PMAQI
31st Jul 2026314 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026316 PMAQI
31st Jul 2026487 PMAQI
31st Jul 2026488 PMAQI
31st Jul 2026469 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20264011 PMAQI
1st Aug 20265112 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026492 AMAQI
1st Aug 2026483 AMAQI
1st Aug 2026484 AMAQI

26°C20/33°C

1st Aug 2026445 AMAQI
1st Aug 2026486 AMAQI
1st Aug 2026517 AMAQI
1st Aug 2026548 AMAQI
1st Aug 2026569 AMAQI
1st Aug 20266210 AMAQI
1st Aug 20266011 AMAQI
1st Aug 20266512 PMAQI
1st Aug 2026641 PMAQI
1st Aug 2026542 PMAQI
1st Aug 2026533 PMAQI
1st Aug 2026524 PMAQI
1st Aug 2026515 PMAQI
1st Aug 2026526 PMAQI
1st Aug 2026507 PMAQI
1st Aug 2026508 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20265310 PMAQI
1st Aug 20265411 PMAQI
2nd Aug 20265712 AMAQI
2nd Aug 2026561 AMAQI
2nd Aug 2026532 AMAQI
2nd Aug 2026563 AMAQI
2nd Aug 2026564 AMAQI

28°C24/34°C

2nd Aug 2026565 AMAQI
2nd Aug 2026586 AMAQI
2nd Aug 2026537 AMAQI
2nd Aug 2026558 AMAQI
2nd Aug 2026789 AMAQI
2nd Aug 20267010 AMAQI
2nd Aug 20266711 AMAQI
2nd Aug 20266012 PMAQI
2nd Aug 2026621 PMAQI
2nd Aug 2026762 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026406 PMAQI
2nd Aug 2026317 PMAQI
2nd Aug 2026368 PMAQI
2nd Aug 2026389 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20263611 PMAQI
3rd Aug 20261912 AMAQI
3rd Aug 2026191 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026323 AMAQI
3rd Aug 2026254 AMAQI

27°C23/34°C

3rd Aug 2026255 AMAQI
3rd Aug 2026266 AMAQI
3rd Aug 2026267 AMAQI
3rd Aug 2026528 AMAQI
3rd Aug 2026549 AMAQI
3rd Aug 20265410 AMAQI
3rd Aug 20266011 AMAQI
3rd Aug 20266912 PMAQI
3rd Aug 2026691 PMAQI
3rd Aug 2026802 PMAQI
3rd Aug 2026563 PMAQI
3rd Aug 2026624 PMAQI
3rd Aug 2026605 PMAQI
3rd Aug 2026586 PMAQI
3rd Aug 2026607 PMAQI
3rd Aug 2026258 PMAQI
3rd Aug 2026409 PMAQI
3rd Aug 20265710 PMAQI
3rd Aug 20265911 PMAQI
4th Aug 20267412 AMAQI
4th Aug 2026641 AMAQI
4th Aug 2026562 AMAQI
4th Aug 2026543 AMAQI
4th Aug 2026584 AMAQI

28°C21/36°C

4th Aug 2026605 AMAQI
4th Aug 2026556 AMAQI
4th Aug 2026537 AMAQI
4th Aug 2026608 AMAQI
4th Aug 2026569 AMAQI
4th Aug 20265810 AMAQI
4th Aug 20266211 AMAQI
4th Aug 20263812 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026522 PMAQI
4th Aug 2026443 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026235 PMAQI
4th Aug 2026206 PMAQI
4th Aug 2026227 PMAQI
4th Aug 2026408 PMAQI
4th Aug 2026509 PMAQI
4th Aug 20264210 PMAQI
4th Aug 20263011 PMAQI
5th Aug 20261812 AMAQI
5th Aug 2026141 AMAQI
5th Aug 2026102 AMAQI
5th Aug 2026103 AMAQI
5th Aug 2026144 AMAQI

28°C24/36°C

5th Aug 202695 AMAQI
5th Aug 202686 AMAQI
5th Aug 2026107 AMAQI
5th Aug 202688 AMAQI
5th Aug 2026129 AMAQI
5th Aug 20261010 AMAQI
5th Aug 20261211 AMAQI
5th Aug 20261212 PMAQI
5th Aug 2026101 PMAQI
5th Aug 202682 PMAQI
5th Aug 202683 PMAQI
5th Aug 2026104 PMAQI
5th Aug 2026105 PMAQI
5th Aug 202686 PMAQI
5th Aug 202687 PMAQI
5th Aug 202698 PMAQI
5th Aug 2026109 PMAQI
5th Aug 20261410 PMAQI
5th Aug 20261511 PMAQI
6th Aug 20263012 AMAQI
6th Aug 2026221 AMAQI
6th Aug 2026192 AMAQI
6th Aug 2026163 AMAQI
6th Aug 2026134 AMAQI

28°C23/35°C

6th Aug 202685 AMAQI
6th Aug 202686 AMAQI
6th Aug 202687 AMAQI
6th Aug 202698 AMAQI
6th Aug 2026109 AMAQI
6th Aug 20262910 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026277 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20262710 PMAQI
6th Aug 20262311 PMAQI
7th Aug 20262112 AMAQI
7th Aug 2026211 AMAQI
7th Aug 2026212 AMAQI
7th Aug 2026233 AMAQI
7th Aug 2026314 AMAQI

28°C22/35°C

7th Aug 2026275 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026297 AMAQI
7th Aug 2026318 AMAQI
7th Aug 2026319 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20262112 PMAQI
7th Aug 2026521 PMAQI
7th Aug 2026252 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026334 PMAQI
7th Aug 2026295 PMAQI
7th Aug 2026276 PMAQI
7th Aug 2026277 PMAQI
7th Aug 2026338 PMAQI
7th Aug 2026339 PMAQI
7th Aug 20262110 PMAQI
7th Aug 20262711 PMAQI
8th Aug 20264212 AMAQI
8th Aug 2026521 AMAQI
8th Aug 2026492 AMAQI
8th Aug 2026463 AMAQI
8th Aug 2026484 AMAQI

28°C21/36°C

8th Aug 2026425 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026217 AMAQI
8th Aug 2026238 AMAQI
8th Aug 2026279 AMAQI
8th Aug 20262710 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026321 PMAQI
8th Aug 2026422 PMAQI
8th Aug 2026383 PMAQI
8th Aug 2026334 PMAQI
8th Aug 2026315 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026218 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026291 AMAQI
9th Aug 2026292 AMAQI
9th Aug 2026313 AMAQI
9th Aug 2026314 AMAQI

28°C23/35°C

9th Aug 2026255 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026318 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026232 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026294 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026237 PMAQI
9th Aug 2026178 PMAQI
9th Aug 2026149 PMAQI
9th Aug 20261210 PMAQI
9th Aug 20261211 PMAQI
10th Aug 20261712 AMAQI
10th Aug 2026171 AMAQI
10th Aug 2026172 AMAQI
10th Aug 2026173 AMAQI
10th Aug 2026214 AMAQI

26°C21/31°C

10th Aug 2026215 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026237 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026141 PMAQI
10th Aug 202682 PMAQI
10th Aug 202683 PMAQI
10th Aug 202684 PMAQI
10th Aug 202685 PMAQI
10th Aug 2026106 PMAQI
10th Aug 2026177 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026279 PMAQI
10th Aug 20262710 PMAQI
10th Aug 20263111 PMAQI
11th Aug 20263412 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026233 AMAQI
11th Aug 2026254 AMAQI

26°C22/31°C

11th Aug 2026255 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262910 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262712 PMAQI
11th Aug 2026211 PMAQI
11th Aug 2026212 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026294 PMAQI
11th Aug 2026295 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026252 AMAQI
12th Aug 2026233 AMAQI
12th Aug 2026254 AMAQI

24°C19/32°C

12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262710 AMAQI
12th Aug 20262911 AMAQI
12th Aug 20262912 PMAQI
12th Aug 2026211 PMAQI
12th Aug 2026382 PMAQI
12th Aug 2026333 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026295 PMAQI
12th Aug 2026276 PMAQI
12th Aug 2026317 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20263110 PMAQI
12th Aug 20262511 PMAQI
13th Aug 20262312 AMAQI
13th Aug 2026231 AMAQI
13th Aug 2026212 AMAQI
13th Aug 2026273 AMAQI
13th Aug 2026234 AMAQI

22°C14/30°C

13th Aug 2026255 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20263810 AMAQI
13th Aug 20262911 AMAQI
13th Aug 20263412 PMAQI
13th Aug 2026341 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026235 PMAQI
13th Aug 2026256 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026238 PMAQI
13th Aug 2026279 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262912 AMAQI
14th Aug 2026421 AMAQI
14th Aug 2026362 AMAQI
14th Aug 2026363 AMAQI
14th Aug 2026294 AMAQI

24°C17/30°C

14th Aug 2026235 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026238 AMAQI
14th Aug 2026239 AMAQI
14th Aug 20263310 AMAQI
14th Aug 20264211 AMAQI
14th Aug 20262912 PMAQI
14th Aug 2026331 PMAQI
14th Aug 2026272 PMAQI
14th Aug 2026213 PMAQI
14th Aug 2026234 PMAQI
14th Aug 2026215 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026217 PMAQI
14th Aug 2026238 PMAQI
14th Aug 2026389 PMAQI
14th Aug 20264010 PMAQI
14th Aug 20263611 PMAQI
15th Aug 20263812 AMAQI
15th Aug 2026511 AMAQI
15th Aug 2026542 AMAQI
15th Aug 2026543 AMAQI
15th Aug 2026504 AMAQI

24°C19/30°C

15th Aug 2026545 AMAQI
15th Aug 2026536 AMAQI
15th Aug 2026487 AMAQI
15th Aug 2026488 AMAQI
15th Aug 2026489 AMAQI
15th Aug 20264610 AMAQI
15th Aug 20264611 AMAQI
15th Aug 20263312 PMAQI
15th Aug 2026361 PMAQI
15th Aug 2026362 PMAQI
15th Aug 2026443 PMAQI
15th Aug 2026424 PMAQI
15th Aug 2026385 PMAQI
15th Aug 2026426 PMAQI
15th Aug 2026407 PMAQI
15th Aug 2026428 PMAQI
15th Aug 2026409 PMAQI
15th Aug 20264210 PMAQI
15th Aug 20265011 PMAQI
16th Aug 20264912 AMAQI
16th Aug 2026501 AMAQI
16th Aug 2026462 AMAQI
16th Aug 2026463 AMAQI
16th Aug 2026444 AMAQI

25°C21/31°C

16th Aug 2026385 AMAQI
16th Aug 2026386 AMAQI
16th Aug 2026387 AMAQI
16th Aug 2026298 AMAQI
16th Aug 2026299 AMAQI
16th Aug 20263110 AMAQI
16th Aug 20263111 AMAQI
16th Aug 20263112 PMAQI
16th Aug 2026271 PMAQI
16th Aug 2026292 PMAQI
16th Aug 2026333 PMAQI
16th Aug 2026294 PMAQI
16th Aug 2026345 PMAQI
16th Aug 2026336 PMAQI
16th Aug 2026257 PMAQI
16th Aug 2026238 PMAQI
16th Aug 2026219 PMAQI
16th Aug 20262110 PMAQI
16th Aug 20262111 PMAQI
17th Aug 20262112 AMAQI
17th Aug 2026211 AMAQI
17th Aug 2026192 AMAQI
17th Aug 2026193 AMAQI
17th Aug 2026194 AMAQI

23°C22/24°C

17th Aug 2026255 AMAQI
17th Aug 2026236 AMAQI
17th Aug 2026217 AMAQI
17th Aug 2026198 AMAQI
17th Aug 2026179 AMAQI
17th Aug 20262110 AMAQI
17th Aug 20262311 AMAQI
17th Aug 20262112 PMAQI
17th Aug 2026211 PMAQI
17th Aug 2026212 PMAQI
17th Aug 2026213 PMAQI
17th Aug 2026234 PMAQI
17th Aug 2026215 PMAQI
17th Aug 2026176 PMAQI
17th Aug 2026177 PMAQI
17th Aug 2026218 PMAQI
17th Aug 2026259 PMAQI
17th Aug 20262710 PMAQI
17th Aug 20262911 PMAQI
18th Aug 20262712 AMAQI
18th Aug 2026251 AMAQI
18th Aug 2026272 AMAQI
18th Aug 2026333 AMAQI
18th Aug 2026294 AMAQI

13°C13/14°C

18th Aug 2026295 AMAQI
5 AM
18th Aug 2026216 AMAQI
18th Aug 2026277 AMAQI
18th Aug 2026258 AMAQI
18th Aug 2026279 AMAQI
18th Aug 20264010 AMAQI
18th Aug 20265311 AMAQI
18th Aug 20265412 PMAQI
12 PM
18th Aug 2026701 PMAQI
18th Aug 2026682 PMAQI
18th Aug 2026663 PMAQI
18th Aug 2026664 PMAQI
18th Aug 2026645 PMAQI
18th Aug 2026446 PMAQI
18th Aug 2026407 PMAQI
7 PM
18th Aug 2026428 PMAQI
18th Aug 2026469 PMAQI
18th Aug 20265910 PMAQI
18th Aug 20264411 PMAQI
12 AM
4 AM

25°C22/31°C

Day time
Avg. Highest Time
1 PM - 2 PM

40AQI

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

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 2 PM (Avg. 40), while the lowest AQI was between 6 PM to 6 PM (Avg. 32).
Night time
Avg. Highest Time
3 AM - 4 AM

34AQI

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

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 4 AM (Avg. 34), while the lowest AQI was between 8 PM to 8 PM (Avg. 31).

2026 Days Vs Air Quality

Yongam Dong, Cheongju, Chungbuk, South Korea

2026

58%

131

34%

77

8%

18

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
131 Days
Moderate
77 Days
Poor
18 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 58%

Health Risk Level:

Considerable

In 2026, 58% of 230 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Yongam Dong, Cheongju, Chungbuk, South Korea

AQI levels in 2026

AQI (US)
PM₂.₅
PM₁₀
CO
SO₂
NO₂
O₃
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
33AQI (US)
2nd January 2026
41AQI (US)
3rd January 2026
61AQI (US)
4th January 2026
88AQI (US)
5th January 2026
75AQI (US)
6th January 2026
61AQI (US)
7th January 2026
62AQI (US)
8th January 2026
27AQI (US)
9th January 2026
37AQI (US)
10th January 2026
58AQI (US)
11th January 2026
28AQI (US)
12th January 2026
47AQI (US)
13th January 2026
38AQI (US)
14th January 2026
35AQI (US)
15th January 2026
93AQI (US)
16th January 2026
149AQI (US)
17th January 2026
126AQI (US)
18th January 2026
110AQI (US)
19th January 2026
76AQI (US)
20th January 2026
32AQI (US)
21st January 2026
41AQI (US)
22nd January 2026
32AQI (US)
23rd January 2026
68AQI (US)
24th January 2026
56AQI (US)
25th January 2026
31AQI (US)
26th January 2026
53AQI (US)
27th January 2026
56AQI (US)
28th January 2026
42AQI (US)
29th January 2026
54AQI (US)
30th January 2026
49AQI (US)
31st January 2026
76AQI (US)
1st February 2026
75AQI (US)
2nd February 2026
66AQI (US)
3rd February 2026
65AQI (US)
4th February 2026
109AQI (US)
5th February 2026
123AQI (US)
6th February 2026
68AQI (US)
7th February 2026
41AQI (US)
8th February 2026
44AQI (US)
9th February 2026
50AQI (US)
10th February 2026
77AQI (US)
11th February 2026
113AQI (US)
12th February 2026
126AQI (US)
13th February 2026
123AQI (US)
14th February 2026
146AQI (US)
15th February 2026
111AQI (US)
16th February 2026
46AQI (US)
17th February 2026
65AQI (US)
18th February 2026
41AQI (US)
19th February 2026
45AQI (US)
20th February 2026
70AQI (US)
21st February 2026
94AQI (US)
22nd February 2026
49AQI (US)
23rd February 2026
31AQI (US)
24th February 2026
40AQI (US)
25th February 2026
44AQI (US)
26th February 2026
32AQI (US)
27th February 2026
20AQI (US)
28th February 2026
44AQI (US)
1st March 2026
29AQI (US)
2nd March 2026
45AQI (US)
3rd March 2026
36AQI (US)
4th March 2026
50AQI (US)
5th March 2026
72AQI (US)
6th March 2026
60AQI (US)
7th March 2026
51AQI (US)
8th March 2026
58AQI (US)
9th March 2026
74AQI (US)
10th March 2026
120AQI (US)
11th March 2026
94AQI (US)
12th March 2026
107AQI (US)
13th March 2026
39AQI (US)
14th March 2026
45AQI (US)
15th March 2026
85AQI (US)
16th March 2026
124AQI (US)
17th March 2026
121AQI (US)
18th March 2026
128AQI (US)
19th March 2026
66AQI (US)
20th March 2026
57AQI (US)
21st March 2026
92AQI (US)
22nd March 2026
87AQI (US)
23rd March 2026
87AQI (US)
24th March 2026
103AQI (US)
25th March 2026
78AQI (US)
26th March 2026
77AQI (US)
27th March 2026
112AQI (US)
28th March 2026
93AQI (US)
29th March 2026
76AQI (US)
30th March 2026
101AQI (US)
31st March 2026
62AQI (US)
1st April 2026
38AQI (US)
2nd April 2026
66AQI (US)
3rd April 2026
88AQI (US)
4th April 2026
26AQI (US)
5th April 2026
44AQI (US)
6th April 2026
42AQI (US)
7th April 2026
25AQI (US)
8th April 2026
32AQI (US)
9th April 2026
54AQI (US)
10th April 2026
31AQI (US)
11th April 2026
57AQI (US)
12th April 2026
59AQI (US)
13th April 2026
49AQI (US)
14th April 2026
34AQI (US)
15th April 2026
47AQI (US)
16th April 2026
40AQI (US)
17th April 2026
18th April 2026
52AQI (US)
19th April 2026
54AQI (US)
20th April 2026
65AQI (US)
21st April 2026
60AQI (US)
22nd April 2026
23rd April 2026
49AQI (US)
24th April 2026
31AQI (US)
25th April 2026
47AQI (US)
26th April 2026
53AQI (US)
27th April 2026
49AQI (US)
28th April 2026
41AQI (US)
29th April 2026
46AQI (US)
30th April 2026
54AQI (US)
1st May 2026
42AQI (US)
2nd May 2026
68AQI (US)
3rd May 2026
51AQI (US)
4th May 2026
21AQI (US)
5th May 2026
35AQI (US)
6th May 2026
35AQI (US)
7th May 2026
38AQI (US)
8th May 2026
31AQI (US)
9th May 2026
10th May 2026
31AQI (US)
11th May 2026
32AQI (US)
12th May 2026
38AQI (US)
13th May 2026
61AQI (US)
14th May 2026
45AQI (US)
15th May 2026
32AQI (US)
16th May 2026
76AQI (US)
17th May 2026
65AQI (US)
18th May 2026
55AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
77AQI (US)
23rd May 2026
71AQI (US)
24th May 2026
70AQI (US)
25th May 2026
64AQI (US)
26th May 2026
49AQI (US)
27th May 2026
25AQI (US)
28th May 2026
30AQI (US)
29th May 2026
64AQI (US)
30th May 2026
44AQI (US)
31st May 2026
48AQI (US)
1st June 2026
53AQI (US)
2nd June 2026
59AQI (US)
3rd June 2026
68AQI (US)
4th June 2026
61AQI (US)
5th June 2026
30AQI (US)
6th June 2026
39AQI (US)
7th June 2026
22AQI (US)
8th June 2026
49AQI (US)
9th June 2026
50AQI (US)
10th June 2026
37AQI (US)
11th June 2026
27AQI (US)
12th June 2026
27AQI (US)
13th June 2026
29AQI (US)
14th June 2026
49AQI (US)
15th June 2026
44AQI (US)
16th June 2026
29AQI (US)
17th June 2026
27AQI (US)
18th June 2026
64AQI (US)
19th June 2026
64AQI (US)
20th June 2026
21AQI (US)
21st June 2026
18AQI (US)
22nd June 2026
21AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
44AQI (US)
28th June 2026
57AQI (US)
29th June 2026
51AQI (US)
30th June 2026
40AQI (US)
1st July 2026
30AQI (US)
2nd July 2026
34AQI (US)
3rd July 2026
30AQI (US)
4th July 2026
43AQI (US)
5th July 2026
36AQI (US)
6th July 2026
24AQI (US)
7th July 2026
38AQI (US)
8th July 2026
28AQI (US)
9th July 2026
14AQI (US)
10th July 2026
32AQI (US)
11th July 2026
34AQI (US)
12th July 2026
35AQI (US)
13th July 2026
28AQI (US)
14th July 2026
26AQI (US)
15th July 2026
26AQI (US)
16th July 2026
56AQI (US)
17th July 2026
58AQI (US)
18th July 2026
39AQI (US)
19th July 2026
30AQI (US)
20th July 2026
32AQI (US)
21st July 2026
30AQI (US)
22nd July 2026
39AQI (US)
23rd July 2026
37AQI (US)
24th July 2026
43AQI (US)
25th July 2026
36AQI (US)
26th July 2026
33AQI (US)
27th July 2026
35AQI (US)
28th July 2026
55AQI (US)
29th July 2026
46AQI (US)
30th July 2026
30AQI (US)
31st July 2026
33AQI (US)
1st August 2026
53AQI (US)
2nd August 2026
53AQI (US)
3rd August 2026
46AQI (US)
4th August 2026
47AQI (US)
5th August 2026
11AQI (US)
6th August 2026
21AQI (US)
7th August 2026
28AQI (US)
8th August 2026
32AQI (US)
9th August 2026
24AQI (US)
10th August 2026
19AQI (US)
11th August 2026
26AQI (US)
12th August 2026
27AQI (US)
13th August 2026
25AQI (US)
14th August 2026
29AQI (US)
15th August 2026
45AQI (US)
16th August 2026
33AQI (US)
17th August 2026
21AQI (US)
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

59AQI (US)

70AQI (US)

78AQI (US)

48AQI (US)

49AQI (US)

39AQI (US)

35AQI (US)

32AQI (US)

No. of days

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

202652AQI (US)

14
14
3
13
8
7
6
17
8
17
11
16
14
22
8
28
3
15
2
131
77
18

Highest AQI (US) recorded in

March

78AQI (US)

Lowest AQI (US) recorded in

August

32AQI (US)

202561AQI (US)

1
25
5
3
24
1
2
23
6
5
25
11
20
11
19
24
7
24
7
27
3
14
17
26
4
5
24
2
127
220
18

Highest AQI (US) recorded in

January

81AQI (US)

Lowest AQI (US) recorded in

September

41AQI (US)

202460AQI (US)

2
16
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
195
26
2

Highest AQI (US) recorded in

January

97AQI (US)

Lowest AQI (US) recorded in

July

32AQI (US)

202372AQI (US)

3
20
5
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
51
10
1

Highest AQI (US) recorded in

February

104AQI (US)

Lowest AQI (US) recorded in

July

48AQI (US)

202272AQI (US)

2
17
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
184
54
4

Highest AQI (US) recorded in

November

96AQI (US)

Lowest AQI (US) recorded in

August

52AQI (US)

202162AQI (US)

7
18
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
166
34
3
1
1

Highest AQI (US) recorded in

March

83AQI (US)

Lowest AQI (US) recorded in

September

36AQI (US)

202056AQI (US)

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 (US) recorded in

December

79AQI (US)

Lowest AQI (US) recorded in

July

32AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2023(Avg.)
72AQI (US)
Least Polluted Year Recorded
2026(Avg.)
52AQI (US)

Yongam Dong's annual 2026 AQI (US) (52) shows an average percentage change of -17.8% (improved AQI (US)) compared to previous years: 2020 (56), 2021 (62), 2022 (72), 2023 (72), 2024 (60), 2025 (61).