Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Cheongyang Eup, Asan, Chungnam, 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

Cheongyang Eup, Asan, Chungnam, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2023
92AQI
Lowest AQI recorded on
23rd Aug 2023
22AQI

Same Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2023 on the same day.

Day & Night AQI Trend: 6th Aug - 7th Aug 2026

Cheongyang Eup, Asan, Chungnam, South Korea

AQI
Day
Night
.

5 AM6th Aug 2026

7 PM

4 AM7th Aug 2026

Day time
Avg. Highest Time
5AM6th Aug

68AQI

Avg. Lowest Time
6PM6th Aug

25AQI

Night time
Avg. Highest Time
4AM7th Aug

90AQI

Avg. Lowest Time
8PM6th Aug

38AQI

In the last 24 hours,

Cheongyang Eup's AQI reached its highest point of 90 at 4 AM during the Night, while the lowest point, 25, was recorded at 6 PM during the Day between 6th Aug and 7th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Cheongyang Eup, Asan, Chungnam, South Korea

JulAug
09th - 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
9th Jul 2026295 AMAQI
9th Jul 2026236 AMAQI
9th Jul 2026257 AMAQI
9th Jul 2026228 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262210 AMAQI
9th Jul 20262011 AMAQI
9th Jul 20261412 PMAQI
9th Jul 2026131 PMAQI
9th Jul 202682 PMAQI
9th Jul 202683 PMAQI
9th Jul 2026154 PMAQI
9th Jul 2026225 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026197 PMAQI
9th Jul 2026228 PMAQI
9th Jul 2026239 PMAQI
9th Jul 20262410 PMAQI
9th Jul 20262711 PMAQI
10th Jul 20262812 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026234 AMAQI

23°C22/25°C

10th Jul 2026285 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026277 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026309 AMAQI
10th Jul 20262810 AMAQI
10th Jul 20263011 AMAQI
10th Jul 20262512 PMAQI
10th Jul 2026241 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026233 PMAQI
10th Jul 2026274 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026317 PMAQI
10th Jul 2026308 PMAQI
10th Jul 2026309 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263412 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026292 AMAQI
11th Jul 2026323 AMAQI
11th Jul 2026304 AMAQI

24°C21/30°C

11th Jul 2026305 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026328 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20266611 AMAQI
11th Jul 20265912 PMAQI
11th Jul 2026561 PMAQI
11th Jul 2026362 PMAQI
11th Jul 2026273 PMAQI
11th Jul 2026324 PMAQI
11th Jul 2026275 PMAQI
11th Jul 2026386 PMAQI
11th Jul 2026407 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026469 PMAQI
11th Jul 20268010 PMAQI
11th Jul 20267411 PMAQI
12th Jul 20266312 AMAQI
12th Jul 2026561 AMAQI
12th Jul 2026422 AMAQI
12th Jul 2026293 AMAQI
12th Jul 2026234 AMAQI

27°C22/34°C

12th Jul 2026255 AMAQI
12th Jul 2026296 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026388 AMAQI
12th Jul 2026609 AMAQI
12th Jul 20266710 AMAQI
12th Jul 20266511 AMAQI
12th Jul 20265812 PMAQI
12th Jul 2026601 PMAQI
12th Jul 2026522 PMAQI
12th Jul 2026533 PMAQI
12th Jul 2026494 PMAQI
12th Jul 2026405 PMAQI
12th Jul 2026456 PMAQI
12th Jul 2026367 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026299 PMAQI
12th Jul 20264210 PMAQI
12th Jul 20264911 PMAQI
13th Jul 20263812 AMAQI
13th Jul 2026311 AMAQI
13th Jul 2026292 AMAQI
13th Jul 2026293 AMAQI
13th Jul 2026384 AMAQI

29°C23/35°C

13th Jul 2026345 AMAQI
13th Jul 2026366 AMAQI
13th Jul 2026387 AMAQI
13th Jul 2026338 AMAQI
13th Jul 2026409 AMAQI
13th Jul 20266510 AMAQI
13th Jul 20265211 AMAQI
13th Jul 20264212 PMAQI
13th Jul 2026251 PMAQI
13th Jul 2026252 PMAQI
13th Jul 2026183 PMAQI
13th Jul 2026144 PMAQI
13th Jul 2026255 PMAQI
13th Jul 2026256 PMAQI
13th Jul 2026337 PMAQI
13th Jul 2026388 PMAQI
13th Jul 2026389 PMAQI
13th Jul 20265810 PMAQI
13th Jul 20265811 PMAQI
14th Jul 20265112 AMAQI
14th Jul 2026231 AMAQI
14th Jul 2026192 AMAQI
14th Jul 2026183 AMAQI
14th Jul 2026264 AMAQI

28°C24/34°C

14th Jul 2026365 AMAQI
14th Jul 2026336 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026278 AMAQI
14th Jul 2026279 AMAQI
14th Jul 20265010 AMAQI
14th Jul 20264211 AMAQI
14th Jul 20263412 PMAQI
14th Jul 2026361 PMAQI
14th Jul 2026212 PMAQI
14th Jul 2026213 PMAQI
14th Jul 2026314 PMAQI
14th Jul 2026185 PMAQI
14th Jul 2026166 PMAQI
14th Jul 2026217 PMAQI
14th Jul 2026238 PMAQI
14th Jul 2026299 PMAQI
14th Jul 20261710 PMAQI
14th Jul 20261811 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026352 AMAQI
15th Jul 2026283 AMAQI
15th Jul 2026274 AMAQI

27°C24/32°C

15th Jul 2026285 AMAQI
15th Jul 2026266 AMAQI
15th Jul 2026537 AMAQI
15th Jul 2026528 AMAQI
15th Jul 2026699 AMAQI
15th Jul 20265610 AMAQI
15th Jul 20263611 AMAQI
15th Jul 20264912 PMAQI
15th Jul 2026461 PMAQI
15th Jul 2026492 PMAQI
15th Jul 2026523 PMAQI
15th Jul 2026464 PMAQI
15th Jul 2026465 PMAQI
15th Jul 2026366 PMAQI
15th Jul 2026427 PMAQI
15th Jul 2026468 PMAQI
15th Jul 2026509 PMAQI
15th Jul 20266510 PMAQI
15th Jul 20266211 PMAQI
16th Jul 20266412 AMAQI
16th Jul 2026691 AMAQI
16th Jul 2026642 AMAQI
16th Jul 2026563 AMAQI
16th Jul 2026604 AMAQI

25°C23/29°C

16th Jul 2026605 AMAQI
16th Jul 2026576 AMAQI
16th Jul 2026627 AMAQI
16th Jul 2026628 AMAQI
16th Jul 2026599 AMAQI
16th Jul 20265910 AMAQI
16th Jul 20265911 AMAQI
16th Jul 20265812 PMAQI
16th Jul 2026501 PMAQI
16th Jul 2026512 PMAQI
16th Jul 2026583 PMAQI
16th Jul 2026594 PMAQI
16th Jul 2026645 PMAQI
16th Jul 2026646 PMAQI
16th Jul 2026667 PMAQI
16th Jul 2026608 PMAQI
16th Jul 2026629 PMAQI
16th Jul 20266210 PMAQI
16th Jul 20266011 PMAQI
17th Jul 20266212 AMAQI
17th Jul 2026661 AMAQI
17th Jul 2026692 AMAQI
17th Jul 2026673 AMAQI
17th Jul 2026694 AMAQI

25°C21/30°C

17th Jul 2026725 AMAQI
17th Jul 2026646 AMAQI
17th Jul 2026557 AMAQI
17th Jul 2026548 AMAQI
17th Jul 2026409 AMAQI
17th Jul 20264810 AMAQI
17th Jul 20265111 AMAQI
17th Jul 20264412 PMAQI
17th Jul 2026421 PMAQI
17th Jul 2026312 PMAQI
17th Jul 2026313 PMAQI
17th Jul 2026384 PMAQI
17th Jul 2026605 PMAQI
17th Jul 2026746 PMAQI
17th Jul 2026717 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026749 PMAQI
17th Jul 20267010 PMAQI
17th Jul 20266811 PMAQI
18th Jul 20266412 AMAQI
18th Jul 2026531 AMAQI
18th Jul 2026272 AMAQI
18th Jul 2026343 AMAQI
18th Jul 2026384 AMAQI

25°C23/29°C

18th Jul 2026405 AMAQI
18th Jul 2026496 AMAQI
18th Jul 2026607 AMAQI
18th Jul 2026708 AMAQI
18th Jul 2026679 AMAQI
18th Jul 20266410 AMAQI
18th Jul 20266811 AMAQI
18th Jul 20265612 PMAQI
18th Jul 2026421 PMAQI
18th Jul 2026382 PMAQI
18th Jul 2026503 PMAQI
18th Jul 2026544 PMAQI
18th Jul 2026465 PMAQI
18th Jul 2026296 PMAQI
18th Jul 2026297 PMAQI
18th Jul 2026218 PMAQI
18th Jul 2026279 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262911 PMAQI
19th Jul 20263812 AMAQI
19th Jul 2026211 AMAQI
19th Jul 2026172 AMAQI
19th Jul 2026233 AMAQI
19th Jul 2026384 AMAQI

25°C24/26°C

19th Jul 2026465 AMAQI
19th Jul 2026406 AMAQI
19th Jul 2026497 AMAQI
19th Jul 2026558 AMAQI
19th Jul 2026449 AMAQI
19th Jul 20264810 AMAQI
19th Jul 20265111 AMAQI
19th Jul 20264012 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026552 PMAQI
19th Jul 2026553 PMAQI
19th Jul 2026424 PMAQI
19th Jul 2026235 PMAQI
19th Jul 2026146 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026409 PMAQI
19th Jul 20264610 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026311 AMAQI
20th Jul 2026332 AMAQI
20th Jul 2026333 AMAQI
20th Jul 2026334 AMAQI

24°C22/26°C

20th Jul 2026315 AMAQI
20th Jul 2026626 AMAQI
20th Jul 2026547 AMAQI
20th Jul 2026368 AMAQI
20th Jul 2026239 AMAQI
20th Jul 20262310 AMAQI
20th Jul 20262511 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026292 PMAQI
20th Jul 2026423 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026516 PMAQI
20th Jul 2026567 PMAQI
20th Jul 2026498 PMAQI
20th Jul 2026489 PMAQI
20th Jul 20264610 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263112 AMAQI
21st Jul 2026251 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026333 AMAQI
21st Jul 2026334 AMAQI

25°C21/30°C

21st Jul 2026335 AMAQI
21st Jul 2026316 AMAQI
21st Jul 2026297 AMAQI
21st Jul 2026278 AMAQI
21st Jul 2026319 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20263611 AMAQI
21st Jul 2026421 PMAQI
21st Jul 2026382 PMAQI
21st Jul 2026423 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026345 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026887 PMAQI
21st Jul 2026338 PMAQI
21st Jul 2026239 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20262711 PMAQI
22nd Jul 20262712 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026293 AMAQI
22nd Jul 2026364 AMAQI

25°C23/27°C

22nd Jul 2026505 AMAQI
22nd Jul 2026336 AMAQI
22nd Jul 2026317 AMAQI
22nd Jul 2026278 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20263810 AMAQI
22nd Jul 20264811 AMAQI
22nd Jul 20265912 PMAQI
22nd Jul 2026591 PMAQI
22nd Jul 2026492 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026344 PMAQI
22nd Jul 2026285 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026407 PMAQI
22nd Jul 2026428 PMAQI
22nd Jul 2026409 PMAQI
22nd Jul 20265110 PMAQI
22nd Jul 20265211 PMAQI
23rd Jul 20265212 AMAQI
23rd Jul 2026461 AMAQI
23rd Jul 2026442 AMAQI
23rd Jul 2026423 AMAQI
23rd Jul 2026464 AMAQI

27°C24/31°C

23rd Jul 2026445 AMAQI
23rd Jul 2026466 AMAQI
23rd Jul 2026447 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026419 AMAQI
23rd Jul 20264210 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20265012 PMAQI
23rd Jul 2026521 PMAQI
23rd Jul 2026522 PMAQI
23rd Jul 2026573 PMAQI
23rd Jul 2026504 PMAQI
23rd Jul 2026485 PMAQI
23rd Jul 2026486 PMAQI
23rd Jul 2026537 PMAQI
23rd Jul 2026588 PMAQI
23rd Jul 2026529 PMAQI
23rd Jul 20264010 PMAQI
23rd Jul 20263811 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026421 AMAQI
24th Jul 2026442 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026444 AMAQI

26°C23/30°C

24th Jul 2026465 AMAQI
24th Jul 2026426 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026468 AMAQI
24th Jul 2026529 AMAQI
24th Jul 20265510 AMAQI
24th Jul 20265711 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026441 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026344 PMAQI
24th Jul 2026275 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026234 AMAQI

27°C23/32°C

25th Jul 2026365 AMAQI
25th Jul 2026576 AMAQI
25th Jul 2026507 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026529 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20263211 AMAQI
25th Jul 20262612 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026194 PMAQI
25th Jul 2026175 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026208 PMAQI
25th Jul 2026189 PMAQI
25th Jul 20262610 PMAQI
25th Jul 20262811 PMAQI
26th Jul 20263412 AMAQI
26th Jul 2026221 AMAQI
26th Jul 2026242 AMAQI
26th Jul 2026243 AMAQI
26th Jul 2026264 AMAQI

27°C23/31°C

26th Jul 2026345 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026277 AMAQI
26th Jul 2026228 AMAQI
26th Jul 2026269 AMAQI
26th Jul 20263410 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026421 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026363 PMAQI
26th Jul 2026344 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026256 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026291 AMAQI
27th Jul 2026292 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI

27°C24/32°C

27th Jul 2026235 AMAQI
27th Jul 2026216 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026318 AMAQI
27th Jul 2026319 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20264012 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026252 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026336 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20263311 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026231 AMAQI
28th Jul 2026332 AMAQI
28th Jul 2026423 AMAQI
28th Jul 2026294 AMAQI

27°C24/33°C

28th Jul 2026235 AMAQI
28th Jul 2026296 AMAQI
28th Jul 2026297 AMAQI
28th Jul 2026318 AMAQI
28th Jul 2026389 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026541 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026583 PMAQI
28th Jul 2026624 PMAQI
28th Jul 2026645 PMAQI
28th Jul 2026576 PMAQI
28th Jul 2026497 PMAQI
28th Jul 2026478 PMAQI
28th Jul 2026489 PMAQI
28th Jul 20264610 PMAQI
28th Jul 20264811 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026461 AMAQI
29th Jul 2026442 AMAQI
29th Jul 2026463 AMAQI
29th Jul 2026434 AMAQI

27°C24/32°C

29th Jul 2026485 AMAQI
29th Jul 2026446 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026488 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20264510 AMAQI
29th Jul 20264611 AMAQI
29th Jul 20264812 PMAQI
29th Jul 2026441 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026443 PMAQI
29th Jul 2026424 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20261812 AMAQI
30th Jul 2026201 AMAQI
30th Jul 2026262 AMAQI
30th Jul 2026303 AMAQI
30th Jul 2026314 AMAQI

26°C23/31°C

30th Jul 2026285 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026247 AMAQI
30th Jul 2026268 AMAQI
30th Jul 2026249 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20265712 PMAQI
30th Jul 2026481 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026316 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262311 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026254 AMAQI

26°C22/32°C

31st Jul 2026345 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026369 AMAQI
31st Jul 20265510 AMAQI
31st Jul 20266011 AMAQI
31st Jul 20266012 PMAQI
31st Jul 2026561 PMAQI
31st Jul 2026362 PMAQI
31st Jul 2026343 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026525 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026518 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20264210 PMAQI
31st Jul 20264211 PMAQI
1st Aug 20264412 AMAQI
1st Aug 2026501 AMAQI
1st Aug 2026512 AMAQI
1st Aug 2026533 AMAQI
1st Aug 2026634 AMAQI

27°C22/32°C

1st Aug 2026685 AMAQI
1st Aug 2026696 AMAQI
1st Aug 2026687 AMAQI
1st Aug 2026608 AMAQI
1st Aug 2026599 AMAQI
1st Aug 20267410 AMAQI
1st Aug 20267811 AMAQI
1st Aug 20266912 PMAQI
1st Aug 2026801 PMAQI
1st Aug 2026832 PMAQI
1st Aug 2026783 PMAQI
1st Aug 2026674 PMAQI
1st Aug 2026625 PMAQI
1st Aug 2026706 PMAQI
1st Aug 2026867 PMAQI
1st Aug 2026828 PMAQI
1st Aug 2026809 PMAQI
1st Aug 20268510 PMAQI
1st Aug 20265511 PMAQI
2nd Aug 20266612 AMAQI
2nd Aug 2026641 AMAQI
2nd Aug 2026642 AMAQI
2nd Aug 2026603 AMAQI
2nd Aug 2026574 AMAQI

28°C24/33°C

2nd Aug 2026445 AMAQI
2nd Aug 2026316 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026548 AMAQI
2nd Aug 2026429 AMAQI
2nd Aug 20264610 AMAQI
2nd Aug 20263111 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026522 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026444 PMAQI
2nd Aug 2026465 PMAQI
2nd Aug 2026386 PMAQI
2nd Aug 2026277 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026319 PMAQI
2nd Aug 20264510 PMAQI
2nd Aug 20263811 PMAQI
3rd Aug 20263612 AMAQI
3rd Aug 2026401 AMAQI
3rd Aug 2026602 AMAQI
3rd Aug 2026703 AMAQI
3rd Aug 2026544 AMAQI

28°C24/34°C

3rd Aug 2026545 AMAQI
3rd Aug 2026466 AMAQI
3rd Aug 2026407 AMAQI
3rd Aug 2026518 AMAQI
3rd Aug 2026589 AMAQI
3rd Aug 20266010 AMAQI
3rd Aug 20266211 AMAQI
3rd Aug 20265512 PMAQI
3rd Aug 2026521 PMAQI
3rd Aug 2026582 PMAQI
3rd Aug 2026513 PMAQI
3rd Aug 2026644 PMAQI
3rd Aug 2026745 PMAQI
3rd Aug 2026766 PMAQI
3rd Aug 2026647 PMAQI
3rd Aug 2026588 PMAQI
3rd Aug 2026609 PMAQI
3rd Aug 20266610 PMAQI
3rd Aug 20267211 PMAQI
4th Aug 20267612 AMAQI
4th Aug 2026741 AMAQI
4th Aug 2026702 AMAQI
4th Aug 2026803 AMAQI
4th Aug 2026894 AMAQI

28°C22/36°C

4th Aug 2026835 AMAQI
4th Aug 2026836 AMAQI
4th Aug 2026947 AMAQI
4th Aug 2026988 AMAQI
4th Aug 2026949 AMAQI
4th Aug 20269010 AMAQI
4th Aug 20268211 AMAQI
4th Aug 20268212 PMAQI
4th Aug 2026661 PMAQI
4th Aug 2026672 PMAQI
4th Aug 2026653 PMAQI
4th Aug 2026724 PMAQI
4th Aug 2026785 PMAQI
4th Aug 2026766 PMAQI
4th Aug 2026717 PMAQI
4th Aug 2026708 PMAQI
4th Aug 2026719 PMAQI
4th Aug 20266410 PMAQI
4th Aug 20263611 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026381 AMAQI
5th Aug 2026522 AMAQI
5th Aug 2026483 AMAQI
5th Aug 2026424 AMAQI

29°C24/37°C

5th Aug 2026505 AMAQI
5th Aug 2026526 AMAQI
5th Aug 2026677 AMAQI
5th Aug 2026658 AMAQI
5th Aug 2026559 AMAQI
5th Aug 20265110 AMAQI
5th Aug 20264511 AMAQI
5th Aug 20264012 PMAQI
5th Aug 2026311 PMAQI
5th Aug 2026312 PMAQI
5th Aug 2026333 PMAQI
5th Aug 2026334 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026316 PMAQI
5th Aug 2026427 PMAQI
5th Aug 2026318 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20264611 PMAQI
6th Aug 20266212 AMAQI
6th Aug 2026621 AMAQI
6th Aug 2026562 AMAQI
6th Aug 2026523 AMAQI
6th Aug 2026604 AMAQI

29°C24/36°C

6th Aug 2026685 AMAQI
6th Aug 2026556 AMAQI
6th Aug 2026547 AMAQI
6th Aug 2026658 AMAQI
6th Aug 2026529 AMAQI
6th Aug 20265710 AMAQI
6th Aug 20264611 AMAQI
6th Aug 20263112 PMAQI
6th Aug 2026461 PMAQI
6th Aug 2026542 PMAQI
6th Aug 2026483 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026255 PMAQI
6th Aug 2026256 PMAQI
6th Aug 2026277 PMAQI
6th Aug 2026388 PMAQI
6th Aug 2026469 PMAQI
6th Aug 20265210 PMAQI
6th Aug 20266011 PMAQI
7th Aug 20266212 AMAQI
7th Aug 2026801 AMAQI
7th Aug 2026832 AMAQI
7th Aug 2026883 AMAQI
7th Aug 2026904 AMAQI

29°C24/36°C

7th Aug 2026765 AMAQI
5 AM
7th Aug 2026606 AMAQI
7th Aug 2026497 AMAQI
7th Aug 2026568 AMAQI
7th Aug 2026559 AMAQI
7th Aug 20265510 AMAQI
7th Aug 20265411 AMAQI
7th Aug 20265312 PMAQI
12 PM
7th Aug 2026641 PMAQI
7th Aug 2026312 PMAQI
7th Aug 2026423 PMAQI
7th Aug 2026314 PMAQI
7th Aug 2026215 PMAQI
7th Aug 2026336 PMAQI
7th Aug 2026247 PMAQI
7 PM
7th Aug 2026218 PMAQI
7th Aug 2026339 PMAQI
7th Aug 20265110 PMAQI
7th Aug 20267011 PMAQI
12 AM
4 AM

29°C24/37°C

Day time
Avg. Highest Time
10 AM - 11 AM

48AQI

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

40AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 11 AM (Avg. 48), while the lowest AQI was between 2 PM to 6 PM (Avg. 40).
Night time
Avg. Highest Time
10 PM - 11 PM

44AQI

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

37AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 44), while the lowest AQI was between 8 PM to 8 PM (Avg. 37).

2026 Days Vs Air Quality

Cheongyang Eup, Asan, Chungnam, South Korea

2026

46%

98

46%

98

9%

19

Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)

Good
98 Days
Moderate
98 Days
Poor
19 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 46%

Health Risk Level:

Significant

In 2026, 46% of 219 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Cheongyang Eup, Asan, Chungnam, 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
25AQI (US)
2nd January 2026
37AQI (US)
3rd January 2026
48AQI (US)
4th January 2026
75AQI (US)
5th January 2026
61AQI (US)
6th January 2026
49AQI (US)
7th January 2026
58AQI (US)
8th January 2026
20AQI (US)
9th January 2026
34AQI (US)
10th January 2026
59AQI (US)
11th January 2026
21AQI (US)
12th January 2026
52AQI (US)
13th January 2026
57AQI (US)
14th January 2026
22AQI (US)
15th January 2026
102AQI (US)
16th January 2026
120AQI (US)
17th January 2026
116AQI (US)
18th January 2026
117AQI (US)
19th January 2026
67AQI (US)
20th January 2026
23AQI (US)
21st January 2026
38AQI (US)
22nd January 2026
31AQI (US)
23rd January 2026
57AQI (US)
24th January 2026
54AQI (US)
25th January 2026
30AQI (US)
26th January 2026
44AQI (US)
27th January 2026
55AQI (US)
28th January 2026
35AQI (US)
29th January 2026
50AQI (US)
30th January 2026
46AQI (US)
31st January 2026
66AQI (US)
1st February 2026
96AQI (US)
2nd February 2026
76AQI (US)
3rd February 2026
71AQI (US)
4th February 2026
105AQI (US)
5th February 2026
109AQI (US)
6th February 2026
65AQI (US)
7th February 2026
39AQI (US)
8th February 2026
41AQI (US)
9th February 2026
43AQI (US)
10th February 2026
74AQI (US)
11th February 2026
107AQI (US)
12th February 2026
123AQI (US)
13th February 2026
137AQI (US)
14th February 2026
137AQI (US)
15th February 2026
96AQI (US)
16th February 2026
41AQI (US)
17th February 2026
52AQI (US)
18th February 2026
56AQI (US)
19th February 2026
35AQI (US)
20th February 2026
66AQI (US)
21st February 2026
98AQI (US)
22nd February 2026
58AQI (US)
23rd February 2026
23AQI (US)
24th February 2026
39AQI (US)
25th February 2026
54AQI (US)
26th February 2026
33AQI (US)
27th February 2026
41AQI (US)
28th February 2026
56AQI (US)
1st March 2026
52AQI (US)
2nd March 2026
18AQI (US)
3rd March 2026
32AQI (US)
4th March 2026
62AQI (US)
5th March 2026
80AQI (US)
6th March 2026
63AQI (US)
7th March 2026
47AQI (US)
8th March 2026
52AQI (US)
9th March 2026
95AQI (US)
10th March 2026
90AQI (US)
11th March 2026
83AQI (US)
12th March 2026
109AQI (US)
13th March 2026
79AQI (US)
14th March 2026
67AQI (US)
15th March 2026
98AQI (US)
16th March 2026
124AQI (US)
17th March 2026
126AQI (US)
18th March 2026
115AQI (US)
19th March 2026
60AQI (US)
20th March 2026
51AQI (US)
21st March 2026
96AQI (US)
22nd March 2026
84AQI (US)
23rd March 2026
83AQI (US)
24th March 2026
112AQI (US)
25th March 2026
100AQI (US)
26th March 2026
103AQI (US)
27th March 2026
119AQI (US)
28th March 2026
89AQI (US)
29th March 2026
90AQI (US)
30th March 2026
80AQI (US)
31st March 2026
74AQI (US)
1st April 2026
84AQI (US)
2nd April 2026
97AQI (US)
3rd April 2026
123AQI (US)
4th April 2026
46AQI (US)
5th April 2026
77AQI (US)
6th April 2026
51AQI (US)
7th April 2026
20AQI (US)
8th April 2026
37AQI (US)
9th April 2026
49AQI (US)
10th April 2026
45AQI (US)
11th April 2026
89AQI (US)
12th April 2026
63AQI (US)
13th April 2026
53AQI (US)
14th April 2026
64AQI (US)
15th April 2026
68AQI (US)
16th April 2026
58AQI (US)
17th April 2026
18th April 2026
61AQI (US)
19th April 2026
72AQI (US)
20th April 2026
70AQI (US)
21st April 2026
66AQI (US)
22nd April 2026
23rd April 2026
53AQI (US)
24th April 2026
33AQI (US)
25th April 2026
46AQI (US)
26th April 2026
41AQI (US)
27th April 2026
49AQI (US)
28th April 2026
38AQI (US)
29th April 2026
46AQI (US)
30th April 2026
47AQI (US)
1st May 2026
57AQI (US)
2nd May 2026
111AQI (US)
3rd May 2026
62AQI (US)
4th May 2026
32AQI (US)
5th May 2026
40AQI (US)
6th May 2026
27AQI (US)
7th May 2026
41AQI (US)
8th May 2026
37AQI (US)
9th May 2026
10th May 2026
41AQI (US)
11th May 2026
42AQI (US)
12th May 2026
23AQI (US)
13th May 2026
58AQI (US)
14th May 2026
65AQI (US)
15th May 2026
60AQI (US)
16th May 2026
76AQI (US)
17th May 2026
64AQI (US)
18th May 2026
56AQI (US)
19th May 2026
52AQI (US)
20th May 2026
62AQI (US)
21st May 2026
65AQI (US)
22nd May 2026
76AQI (US)
23rd May 2026
71AQI (US)
24th May 2026
70AQI (US)
25th May 2026
65AQI (US)
26th May 2026
49AQI (US)
27th May 2026
35AQI (US)
28th May 2026
35AQI (US)
29th May 2026
68AQI (US)
30th May 2026
54AQI (US)
31st May 2026
50AQI (US)
1st June 2026
52AQI (US)
2nd June 2026
76AQI (US)
3rd June 2026
75AQI (US)
4th June 2026
90AQI (US)
5th June 2026
30AQI (US)
6th June 2026
32AQI (US)
7th June 2026
43AQI (US)
8th June 2026
56AQI (US)
9th June 2026
38AQI (US)
10th June 2026
36AQI (US)
11th June 2026
44AQI (US)
12th June 2026
52AQI (US)
13th June 2026
52AQI (US)
14th June 2026
50AQI (US)
15th June 2026
46AQI (US)
16th June 2026
66AQI (US)
17th June 2026
81AQI (US)
18th June 2026
68AQI (US)
19th June 2026
67AQI (US)
20th June 2026
23AQI (US)
21st June 2026
22AQI (US)
22nd June 2026
40AQI (US)
23rd June 2026
41AQI (US)
24th June 2026
16AQI (US)
25th June 2026
25AQI (US)
26th June 2026
40AQI (US)
27th June 2026
66AQI (US)
28th June 2026
52AQI (US)
29th June 2026
50AQI (US)
30th June 2026
58AQI (US)
1st July 2026
53AQI (US)
2nd July 2026
47AQI (US)
3rd July 2026
32AQI (US)
4th July 2026
58AQI (US)
5th July 2026
36AQI (US)
6th July 2026
40AQI (US)
7th July 2026
37AQI (US)
8th July 2026
28AQI (US)
9th July 2026
21AQI (US)
10th July 2026
28AQI (US)
11th July 2026
40AQI (US)
12th July 2026
44AQI (US)
13th July 2026
36AQI (US)
14th July 2026
28AQI (US)
15th July 2026
44AQI (US)
16th July 2026
60AQI (US)
17th July 2026
57AQI (US)
18th July 2026
45AQI (US)
19th July 2026
38AQI (US)
20th July 2026
38AQI (US)
21st July 2026
35AQI (US)
22nd July 2026
39AQI (US)
23rd July 2026
47AQI (US)
24th July 2026
40AQI (US)
25th July 2026
30AQI (US)
26th July 2026
28AQI (US)
27th July 2026
29AQI (US)
28th July 2026
43AQI (US)
29th July 2026
40AQI (US)
30th July 2026
28AQI (US)
31st July 2026
39AQI (US)
1st August 2026
68AQI (US)
2nd August 2026
44AQI (US)
3rd August 2026
58AQI (US)
4th August 2026
76AQI (US)
5th August 2026
42AQI (US)
6th August 2026
49AQI (US)
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
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

54AQI (US)

70AQI (US)

82AQI (US)

59AQI (US)

55AQI (US)

50AQI (US)

39AQI (US)

56AQI (US)

No. of days

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

202658AQI (US)

16
11
4
9
13
6
3
21
7
12
15
1
12
17
1
16
14
27
4
3
3
98
98
19

Highest AQI (US) recorded in

March

82AQI (US)

Lowest AQI (US) recorded in

July

39AQI (US)

202562AQI (US)

1
25
5
6
20
2
2
23
6
5
25
9
22
6
24
11
20
23
8
27
3
12
19
4
20
6
8
21
2
114
230
21

Highest AQI (US) recorded in

March

82AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202458AQI (US)

11
14
6
8
13
7
1
7
21
2
1
5
23
2
15
15
8
22
26
5
12
19
16
7
14
17
11
19
9
22
142
197
17
2

Highest AQI (US) recorded in

February

72AQI (US)

Lowest AQI (US) recorded in

July

36AQI (US)

202366AQI (US)

3
20
5
2
14
10
4
4
21
6
5
19
6
7
22
2
5
25
15
16
13
17
18
12
15
16
10
19
8
18
5
103
219
34
6

Highest AQI (US) recorded in

February

104AQI (US)

Lowest AQI (US) recorded in

September

46AQI (US)

202268AQI (US)

1
18
8
2
3
11
3
4
5
19
7
5
21
3
7
22
2
19
11
8
13
1
15
13
14
16
1
3
21
6
4
26
1
84
192
31
6

Highest AQI (US) recorded in

February

90AQI (US)

Lowest AQI (US) recorded in

June

47AQI (US)

202167AQI (US)

4
21
4
4
15
7
2
2
17
10
1
1
2
27
1
9
18
2
1
1
5
24
1
21
10
22
9
28
2
12
19
8
18
2
2
10
13
8
127
193
35
4
2
2

Highest AQI (US) recorded in

March

102AQI (US)

Lowest AQI (US) recorded in

September

35AQI (US)

202062AQI (US)

3
9
1
4
17
4
14
7
23
19
12
19
12
17
13
6
20
5
4
19
7
3
19
9
86
158
22

Highest AQI (US) recorded in

December

80AQI (US)

Lowest AQI (US) recorded in

August

43AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
68AQI (US)
Least Polluted Year Recorded
2024(Avg.)
58AQI (US)

Cheongyang Eup's annual 2026 AQI (US) (58) shows an average percentage change of -8.8% (improved AQI (US)) compared to previous years: 2020 (62), 2021 (67), 2022 (68), 2023 (66), 2024 (58), 2025 (62).