Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

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
9th Aug 2026
24AQI

Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 8th Aug - 9th Aug 2026

Asan, Chungnam, South Korea

AQI
Day
Night
.

5 AM8th Aug 2026

7 PM

4 AM9th Aug 2026

Day time
Avg. Highest Time
5AM8th Aug

57AQI

Avg. Lowest Time
6PM8th Aug

20AQI

Night time
Avg. Highest Time
11PM8th Aug

28AQI

Avg. Lowest Time
9PM8th Aug

22AQI

In the last 24 hours,

Asan's AQI reached its highest point of 57 at 5 AM during the Day, while the lowest point, 20, was recorded at 6 PM during the Day between 8th Aug and 9th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Asan, Chungnam, South Korea

JulAug
11th - 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 - 08th08th - 09th09th
Day
Night
11th Jul 2026305 AMAQI
11th Jul 2026316 AMAQI
11th Jul 2026307 AMAQI
11th Jul 2026318 AMAQI
11th Jul 2026319 AMAQI
11th Jul 20262910 AMAQI
11th Jul 20265711 AMAQI
11th Jul 20265112 PMAQI
11th Jul 2026501 PMAQI
11th Jul 2026352 PMAQI
11th Jul 2026233 PMAQI
11th Jul 2026264 PMAQI
11th Jul 2026275 PMAQI
11th Jul 2026346 PMAQI
11th Jul 2026367 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026429 PMAQI
11th Jul 20266710 PMAQI
11th Jul 20266611 PMAQI
12th Jul 20265412 AMAQI
12th Jul 2026481 AMAQI
12th Jul 2026362 AMAQI
12th Jul 2026263 AMAQI
12th Jul 2026204 AMAQI

27°C22/34°C

12th Jul 2026255 AMAQI
12th Jul 2026286 AMAQI
12th Jul 2026247 AMAQI
12th Jul 2026348 AMAQI
12th Jul 2026609 AMAQI
12th Jul 20266410 AMAQI
12th Jul 20266211 AMAQI
12th Jul 20265412 PMAQI
12th Jul 2026541 PMAQI
12th Jul 2026412 PMAQI
12th Jul 2026423 PMAQI
12th Jul 2026414 PMAQI
12th Jul 2026305 PMAQI
12th Jul 2026396 PMAQI
12th Jul 2026357 PMAQI
12th Jul 2026278 PMAQI
12th Jul 2026289 PMAQI
12th Jul 20263910 PMAQI
12th Jul 20264811 PMAQI
13th Jul 20263112 AMAQI
13th Jul 2026291 AMAQI
13th Jul 2026272 AMAQI
13th Jul 2026303 AMAQI
13th Jul 2026334 AMAQI

29°C23/35°C

13th Jul 2026295 AMAQI
13th Jul 2026266 AMAQI
13th Jul 2026307 AMAQI
13th Jul 2026298 AMAQI
13th Jul 2026369 AMAQI
13th Jul 20266110 AMAQI
13th Jul 20265111 AMAQI
13th Jul 20264112 PMAQI
13th Jul 2026191 PMAQI
13th Jul 2026212 PMAQI
13th Jul 2026183 PMAQI
13th Jul 2026154 PMAQI
13th Jul 2026185 PMAQI
13th Jul 2026206 PMAQI
13th Jul 2026237 PMAQI
13th Jul 2026338 PMAQI
13th Jul 2026349 PMAQI
13th Jul 20265010 PMAQI
13th Jul 20265211 PMAQI
14th Jul 20264912 AMAQI
14th Jul 2026241 AMAQI
14th Jul 2026222 AMAQI
14th Jul 2026193 AMAQI
14th Jul 2026264 AMAQI

28°C24/34°C

14th Jul 2026345 AMAQI
14th Jul 2026316 AMAQI
14th Jul 2026317 AMAQI
14th Jul 2026298 AMAQI
14th Jul 2026299 AMAQI
14th Jul 20264610 AMAQI
14th Jul 20264011 AMAQI
14th Jul 20263112 PMAQI
14th Jul 2026321 PMAQI
14th Jul 2026192 PMAQI
14th Jul 2026193 PMAQI
14th Jul 2026244 PMAQI
14th Jul 2026185 PMAQI
14th Jul 2026186 PMAQI
14th Jul 2026227 PMAQI
14th Jul 2026238 PMAQI
14th Jul 2026259 PMAQI
14th Jul 20261810 PMAQI
14th Jul 20261911 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026321 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026293 AMAQI
15th Jul 2026264 AMAQI

27°C24/32°C

15th Jul 2026305 AMAQI
15th Jul 2026256 AMAQI
15th Jul 2026347 AMAQI
15th Jul 2026358 AMAQI
15th Jul 2026389 AMAQI
15th Jul 20263610 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20262912 PMAQI
15th Jul 2026251 PMAQI
15th Jul 2026262 PMAQI
15th Jul 2026283 PMAQI
15th Jul 2026304 PMAQI
15th Jul 2026315 PMAQI
15th Jul 2026286 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026308 PMAQI
15th Jul 2026329 PMAQI
15th Jul 20264210 PMAQI
15th Jul 20263811 PMAQI
16th Jul 20264412 AMAQI
16th Jul 2026521 AMAQI
16th Jul 2026502 AMAQI
16th Jul 2026433 AMAQI
16th Jul 2026524 AMAQI

25°C23/29°C

16th Jul 2026525 AMAQI
16th Jul 2026516 AMAQI
16th Jul 2026537 AMAQI
16th Jul 2026538 AMAQI
16th Jul 2026539 AMAQI
16th Jul 20266010 AMAQI
16th Jul 20266011 AMAQI
16th Jul 20265612 PMAQI
16th Jul 2026541 PMAQI
16th Jul 2026532 PMAQI
16th Jul 2026553 PMAQI
16th Jul 2026584 PMAQI
16th Jul 2026605 PMAQI
16th Jul 2026586 PMAQI
16th Jul 2026597 PMAQI
16th Jul 2026598 PMAQI
16th Jul 2026609 PMAQI
16th Jul 20266010 PMAQI
16th Jul 20265911 PMAQI
17th Jul 20266012 AMAQI
17th Jul 2026611 AMAQI
17th Jul 2026602 AMAQI
17th Jul 2026623 AMAQI
17th Jul 2026604 AMAQI

25°C21/30°C

17th Jul 2026615 AMAQI
17th Jul 2026576 AMAQI
17th Jul 2026527 AMAQI
17th Jul 2026518 AMAQI
17th Jul 2026409 AMAQI
17th Jul 20264110 AMAQI
17th Jul 20264411 AMAQI
17th Jul 20264312 PMAQI
17th Jul 2026361 PMAQI
17th Jul 2026322 PMAQI
17th Jul 2026363 PMAQI
17th Jul 2026454 PMAQI
17th Jul 2026545 PMAQI
17th Jul 2026606 PMAQI
17th Jul 2026597 PMAQI
17th Jul 2026498 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20265010 PMAQI
17th Jul 20264911 PMAQI
18th Jul 20264412 AMAQI
18th Jul 2026391 AMAQI
18th Jul 2026262 AMAQI
18th Jul 2026243 AMAQI
18th Jul 2026224 AMAQI

25°C23/29°C

18th Jul 2026235 AMAQI
18th Jul 2026236 AMAQI
18th Jul 2026277 AMAQI
18th Jul 2026328 AMAQI
18th Jul 2026359 AMAQI
18th Jul 20264310 AMAQI
18th Jul 20265611 AMAQI
18th Jul 20265112 PMAQI
18th Jul 2026451 PMAQI
18th Jul 2026462 PMAQI
18th Jul 2026503 PMAQI
18th Jul 2026474 PMAQI
18th Jul 2026365 PMAQI
18th Jul 2026346 PMAQI
18th Jul 2026297 PMAQI
18th Jul 2026278 PMAQI
18th Jul 2026299 PMAQI
18th Jul 20262810 PMAQI
18th Jul 20262911 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026221 AMAQI
19th Jul 2026222 AMAQI
19th Jul 2026223 AMAQI
19th Jul 2026254 AMAQI

25°C24/26°C

19th Jul 2026255 AMAQI
19th Jul 2026246 AMAQI
19th Jul 2026287 AMAQI
19th Jul 2026318 AMAQI
19th Jul 2026339 AMAQI
19th Jul 20264010 AMAQI
19th Jul 20264111 AMAQI
19th Jul 20264212 PMAQI
19th Jul 2026361 PMAQI
19th Jul 2026382 PMAQI
19th Jul 2026403 PMAQI
19th Jul 2026364 PMAQI
19th Jul 2026265 PMAQI
19th Jul 2026206 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026238 PMAQI
19th Jul 2026309 PMAQI
19th Jul 20263410 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262312 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026272 AMAQI
20th Jul 2026253 AMAQI
20th Jul 2026274 AMAQI

24°C22/26°C

20th Jul 2026275 AMAQI
20th Jul 2026366 AMAQI
20th Jul 2026347 AMAQI
20th Jul 2026268 AMAQI
20th Jul 2026229 AMAQI
20th Jul 20262110 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262412 PMAQI
20th Jul 2026241 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026363 PMAQI
20th Jul 2026394 PMAQI
20th Jul 2026435 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026537 PMAQI
20th Jul 2026458 PMAQI
20th Jul 2026389 PMAQI
20th Jul 20264210 PMAQI
20th Jul 20262911 PMAQI
21st Jul 20262712 AMAQI
21st Jul 2026231 AMAQI
21st Jul 2026232 AMAQI
21st Jul 2026253 AMAQI
21st Jul 2026324 AMAQI

25°C21/30°C

21st Jul 2026325 AMAQI
21st Jul 2026276 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026279 AMAQI
21st Jul 20262910 AMAQI
21st Jul 20262811 AMAQI
21st Jul 2026331 PMAQI
21st Jul 2026332 PMAQI
21st Jul 2026353 PMAQI
21st Jul 2026394 PMAQI
21st Jul 2026355 PMAQI
21st Jul 2026356 PMAQI
21st Jul 2026817 PMAQI
21st Jul 2026318 PMAQI
21st Jul 2026339 PMAQI
21st Jul 20263310 PMAQI
21st Jul 20263511 PMAQI
22nd Jul 20263412 AMAQI
22nd Jul 2026341 AMAQI
22nd Jul 2026342 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026354 AMAQI

25°C23/27°C

22nd Jul 2026405 AMAQI
22nd Jul 2026336 AMAQI
22nd Jul 2026327 AMAQI
22nd Jul 2026298 AMAQI
22nd Jul 2026289 AMAQI
22nd Jul 20263310 AMAQI
22nd Jul 20263611 AMAQI
22nd Jul 20265212 PMAQI
22nd Jul 2026501 PMAQI
22nd Jul 2026442 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026365 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026317 PMAQI
22nd Jul 2026358 PMAQI
22nd Jul 2026379 PMAQI
22nd Jul 20263510 PMAQI
22nd Jul 20263511 PMAQI
23rd Jul 20264012 AMAQI
23rd Jul 2026371 AMAQI
23rd Jul 2026362 AMAQI
23rd Jul 2026353 AMAQI
23rd Jul 2026394 AMAQI

27°C24/31°C

23rd Jul 2026415 AMAQI
23rd Jul 2026396 AMAQI
23rd Jul 2026377 AMAQI
23rd Jul 2026398 AMAQI
23rd Jul 2026399 AMAQI
23rd Jul 20263810 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20264312 PMAQI
23rd Jul 2026461 PMAQI
23rd Jul 2026512 PMAQI
23rd Jul 2026583 PMAQI
23rd Jul 2026424 PMAQI
23rd Jul 2026415 PMAQI
23rd Jul 2026406 PMAQI
23rd Jul 2026477 PMAQI
23rd Jul 2026548 PMAQI
23rd Jul 2026529 PMAQI
23rd Jul 20263710 PMAQI
23rd Jul 20263111 PMAQI
24th Jul 20263212 AMAQI
24th Jul 2026321 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026353 AMAQI
24th Jul 2026374 AMAQI

26°C23/30°C

24th Jul 2026385 AMAQI
24th Jul 2026356 AMAQI
24th Jul 2026357 AMAQI
24th Jul 2026408 AMAQI
24th Jul 2026479 AMAQI
24th Jul 20265510 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026431 PMAQI
24th Jul 2026362 PMAQI
24th Jul 2026343 PMAQI
24th Jul 2026294 PMAQI
24th Jul 2026235 PMAQI
24th Jul 2026226 PMAQI
24th Jul 2026247 PMAQI
24th Jul 2026228 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263311 PMAQI
25th Jul 20262212 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026302 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026234 AMAQI

27°C23/32°C

25th Jul 2026265 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026287 AMAQI
25th Jul 2026318 AMAQI
25th Jul 2026379 AMAQI
25th Jul 20264110 AMAQI
25th Jul 20263811 AMAQI
25th Jul 20263512 PMAQI
25th Jul 2026261 PMAQI
25th Jul 2026272 PMAQI
25th Jul 2026263 PMAQI
25th Jul 2026224 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026228 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20262711 PMAQI
26th Jul 20262612 AMAQI
26th Jul 2026221 AMAQI
26th Jul 2026242 AMAQI
26th Jul 2026243 AMAQI
26th Jul 2026254 AMAQI

27°C23/31°C

26th Jul 2026265 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20263410 AMAQI
26th Jul 20264511 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026431 PMAQI
26th Jul 2026222 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026244 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026207 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026249 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20262612 AMAQI
27th Jul 2026261 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026233 AMAQI
27th Jul 2026204 AMAQI

27°C24/32°C

27th Jul 2026235 AMAQI
27th Jul 2026226 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026288 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20263510 AMAQI
27th Jul 20264111 AMAQI
27th Jul 20264312 PMAQI
27th Jul 2026311 PMAQI
27th Jul 2026302 PMAQI
27th Jul 2026283 PMAQI
27th Jul 2026284 PMAQI
27th Jul 2026255 PMAQI
27th Jul 2026266 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026269 PMAQI
27th Jul 20263010 PMAQI
27th Jul 20263611 PMAQI
28th Jul 20262612 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026312 AMAQI
28th Jul 2026433 AMAQI
28th Jul 2026284 AMAQI

27°C24/33°C

28th Jul 2026255 AMAQI
28th Jul 2026286 AMAQI
28th Jul 2026267 AMAQI
28th Jul 2026298 AMAQI
28th Jul 2026379 AMAQI
28th Jul 20264510 AMAQI
28th Jul 20264511 AMAQI
28th Jul 20264312 PMAQI
28th Jul 2026451 PMAQI
28th Jul 2026452 PMAQI
28th Jul 2026463 PMAQI
28th Jul 2026564 PMAQI
28th Jul 2026535 PMAQI
28th Jul 2026536 PMAQI
28th Jul 2026427 PMAQI
28th Jul 2026408 PMAQI
28th Jul 2026399 PMAQI
28th Jul 20263410 PMAQI
28th Jul 20263011 PMAQI
29th Jul 20262812 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026252 AMAQI
29th Jul 2026263 AMAQI
29th Jul 2026274 AMAQI

27°C24/32°C

29th Jul 2026305 AMAQI
29th Jul 2026286 AMAQI
29th Jul 2026327 AMAQI
29th Jul 2026318 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20263410 AMAQI
29th Jul 20263711 AMAQI
29th Jul 20263312 PMAQI
29th Jul 2026341 PMAQI
29th Jul 2026332 PMAQI
29th Jul 2026313 PMAQI
29th Jul 2026344 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026226 PMAQI
29th Jul 2026247 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026289 PMAQI
29th Jul 20262710 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026241 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026243 AMAQI
30th Jul 2026254 AMAQI

26°C23/31°C

30th Jul 2026255 AMAQI
30th Jul 2026246 AMAQI
30th Jul 2026287 AMAQI
30th Jul 2026288 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20263010 AMAQI
30th Jul 20263211 AMAQI
30th Jul 20265412 PMAQI
30th Jul 2026451 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026263 PMAQI
30th Jul 2026264 PMAQI
30th Jul 2026235 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026227 PMAQI
30th Jul 2026218 PMAQI
30th Jul 2026269 PMAQI
30th Jul 20262810 PMAQI
30th Jul 20262611 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026261 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026283 AMAQI
31st Jul 2026244 AMAQI

26°C22/32°C

31st Jul 2026275 AMAQI
31st Jul 2026246 AMAQI
31st Jul 2026237 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026339 AMAQI
31st Jul 20265610 AMAQI
31st Jul 20265911 AMAQI
31st Jul 20266012 PMAQI
31st Jul 2026571 PMAQI
31st Jul 2026282 PMAQI
31st Jul 2026263 PMAQI
31st Jul 2026354 PMAQI
31st Jul 2026525 PMAQI
31st Jul 2026426 PMAQI
31st Jul 2026437 PMAQI
31st Jul 2026558 PMAQI
31st Jul 2026549 PMAQI
31st Jul 20264610 PMAQI
31st Jul 20264511 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026472 AMAQI
1st Aug 2026503 AMAQI
1st Aug 2026604 AMAQI

27°C22/32°C

1st Aug 2026635 AMAQI
1st Aug 2026586 AMAQI
1st Aug 2026627 AMAQI
1st Aug 2026598 AMAQI
1st Aug 2026649 AMAQI
1st Aug 20266910 AMAQI
1st Aug 20267411 AMAQI
1st Aug 20267312 PMAQI
1st Aug 2026741 PMAQI
1st Aug 2026672 PMAQI
1st Aug 2026613 PMAQI
1st Aug 2026434 PMAQI
1st Aug 2026435 PMAQI
1st Aug 2026516 PMAQI
1st Aug 2026597 PMAQI
1st Aug 2026598 PMAQI
1st Aug 2026599 PMAQI
1st Aug 20266610 PMAQI
1st Aug 20265211 PMAQI
2nd Aug 20265312 AMAQI
2nd Aug 2026521 AMAQI
2nd Aug 2026552 AMAQI
2nd Aug 2026513 AMAQI
2nd Aug 2026494 AMAQI

28°C24/33°C

2nd Aug 2026465 AMAQI
2nd Aug 2026446 AMAQI
2nd Aug 2026477 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026509 AMAQI
2nd Aug 20264810 AMAQI
2nd Aug 20264011 AMAQI
2nd Aug 20263912 PMAQI
2nd Aug 2026351 PMAQI
2nd Aug 2026392 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026384 PMAQI
2nd Aug 2026365 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026337 PMAQI
2nd Aug 2026378 PMAQI
2nd Aug 2026409 PMAQI
2nd Aug 20264410 PMAQI
2nd Aug 20264411 PMAQI
3rd Aug 20263712 AMAQI
3rd Aug 2026341 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026453 AMAQI
3rd Aug 2026434 AMAQI

28°C24/34°C

3rd Aug 2026435 AMAQI
3rd Aug 2026426 AMAQI
3rd Aug 2026437 AMAQI
3rd Aug 2026438 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20264510 AMAQI
3rd Aug 20265111 AMAQI
3rd Aug 20265912 PMAQI
3rd Aug 2026531 PMAQI
3rd Aug 2026492 PMAQI
3rd Aug 2026403 PMAQI
3rd Aug 2026484 PMAQI
3rd Aug 2026475 PMAQI
3rd Aug 2026456 PMAQI
3rd Aug 2026467 PMAQI
3rd Aug 2026518 PMAQI
3rd Aug 2026609 PMAQI
3rd Aug 20266310 PMAQI
3rd Aug 20266411 PMAQI
4th Aug 20266812 AMAQI
4th Aug 2026661 AMAQI
4th Aug 2026642 AMAQI
4th Aug 2026663 AMAQI
4th Aug 2026694 AMAQI

28°C22/36°C

4th Aug 2026775 AMAQI
4th Aug 2026796 AMAQI
4th Aug 2026777 AMAQI
4th Aug 2026778 AMAQI
4th Aug 2026799 AMAQI
4th Aug 20268010 AMAQI
4th Aug 20267911 AMAQI
4th Aug 20267912 PMAQI
4th Aug 2026631 PMAQI
4th Aug 2026602 PMAQI
4th Aug 2026533 PMAQI
4th Aug 2026514 PMAQI
4th Aug 2026565 PMAQI
4th Aug 2026596 PMAQI
4th Aug 2026567 PMAQI
4th Aug 2026648 PMAQI
4th Aug 2026559 PMAQI
4th Aug 20264010 PMAQI
4th Aug 20262811 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026351 AMAQI
5th Aug 2026452 AMAQI
5th Aug 2026443 AMAQI
5th Aug 2026404 AMAQI

29°C24/37°C

5th Aug 2026475 AMAQI
5th Aug 2026456 AMAQI
5th Aug 2026487 AMAQI
5th Aug 2026398 AMAQI
5th Aug 2026379 AMAQI
5th Aug 20263910 AMAQI
5th Aug 20263911 AMAQI
5th Aug 20263912 PMAQI
5th Aug 2026381 PMAQI
5th Aug 2026342 PMAQI
5th Aug 2026293 PMAQI
5th Aug 2026244 PMAQI
5th Aug 2026305 PMAQI
5th Aug 2026306 PMAQI
5th Aug 2026287 PMAQI
5th Aug 2026258 PMAQI
5th Aug 2026309 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20263511 PMAQI
6th Aug 20264412 AMAQI
6th Aug 2026451 AMAQI
6th Aug 2026382 AMAQI
6th Aug 2026403 AMAQI
6th Aug 2026454 AMAQI

29°C24/36°C

6th Aug 2026395 AMAQI
6th Aug 2026456 AMAQI
6th Aug 2026467 AMAQI
6th Aug 2026478 AMAQI
6th Aug 2026429 AMAQI
6th Aug 20264810 AMAQI
6th Aug 20264211 AMAQI
6th Aug 20263512 PMAQI
6th Aug 2026361 PMAQI
6th Aug 2026332 PMAQI
6th Aug 2026303 PMAQI
6th Aug 2026244 PMAQI
6th Aug 2026245 PMAQI
6th Aug 2026206 PMAQI
6th Aug 2026227 PMAQI
6th Aug 2026248 PMAQI
6th Aug 2026269 PMAQI
6th Aug 20263210 PMAQI
6th Aug 20264511 PMAQI
7th Aug 20265012 AMAQI
7th Aug 2026561 AMAQI
7th Aug 2026582 AMAQI
7th Aug 2026583 AMAQI
7th Aug 2026604 AMAQI

29°C24/36°C

7th Aug 2026545 AMAQI
7th Aug 2026476 AMAQI
7th Aug 2026447 AMAQI
7th Aug 2026438 AMAQI
7th Aug 2026449 AMAQI
7th Aug 20264210 AMAQI
7th Aug 20264311 AMAQI
7th Aug 20264412 PMAQI
7th Aug 2026611 PMAQI
7th Aug 2026232 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026224 PMAQI
7th Aug 2026205 PMAQI
7th Aug 2026266 PMAQI
7th Aug 2026267 PMAQI
7th Aug 2026318 PMAQI
7th Aug 2026339 PMAQI
7th Aug 20264710 PMAQI
7th Aug 20265411 PMAQI
8th Aug 20265212 AMAQI
8th Aug 2026521 AMAQI
8th Aug 2026522 AMAQI
8th Aug 2026543 AMAQI
8th Aug 2026564 AMAQI

29°C24/37°C

8th Aug 2026575 AMAQI
8th Aug 2026506 AMAQI
8th Aug 2026437 AMAQI
8th Aug 2026458 AMAQI
8th Aug 2026549 AMAQI
8th Aug 20264410 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20262212 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026222 PMAQI
8th Aug 2026223 PMAQI
8th Aug 2026234 PMAQI
8th Aug 2026235 PMAQI
8th Aug 2026206 PMAQI
8th Aug 2026227 PMAQI
8th Aug 2026228 PMAQI
8th Aug 2026229 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20262811 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026261 AMAQI
9th Aug 2026262 AMAQI
9th Aug 2026233 AMAQI
9th Aug 2026264 AMAQI

29°C25/36°C

9th Aug 2026205 AMAQI
5 AM
9th Aug 2026206 AMAQI
9th Aug 2026247 AMAQI
9th Aug 2026248 AMAQI
9th Aug 2026219 AMAQI
9th Aug 20262010 AMAQI
9th Aug 20262211 AMAQI
9th Aug 20262712 PMAQI
12 PM
9th Aug 2026251 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026283 PMAQI
9th Aug 2026294 PMAQI
9th Aug 2026235 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026207 PMAQI
7 PM
9th Aug 2026248 PMAQI
9th Aug 2026229 PMAQI
9th Aug 20262110 PMAQI
9th Aug 20262111 PMAQI
12 AM
4 AM

27°C23/31°C

Day time
Avg. Highest Time
10 AM - 12 PM

44AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 12 PM (Avg. 44), while the lowest AQI was between 5 PM to 5 PM (Avg. 33).
Night time
Avg. Highest Time
10 PM - 11 PM

38AQI

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

34AQI

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. 38), while the lowest AQI was between 8 PM to 8 PM (Avg. 34).

2026 Days Vs Air Quality

Asan, Chungnam, South Korea

2026

56%

123

38%

83

6%

12

Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)

Good
123 Days
Moderate
83 Days
Poor
12 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 56%

Health Risk Level:

Considerable

In 2026, 56% of 221 days were within WHO’s safe air quality limits, and 44% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

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
29AQI (US)
2nd January 2026
34AQI (US)
3rd January 2026
48AQI (US)
4th January 2026
69AQI (US)
5th January 2026
53AQI (US)
6th January 2026
49AQI (US)
7th January 2026
56AQI (US)
8th January 2026
23AQI (US)
9th January 2026
38AQI (US)
10th January 2026
53AQI (US)
11th January 2026
27AQI (US)
12th January 2026
52AQI (US)
13th January 2026
57AQI (US)
14th January 2026
29AQI (US)
15th January 2026
93AQI (US)
16th January 2026
122AQI (US)
17th January 2026
111AQI (US)
18th January 2026
99AQI (US)
19th January 2026
60AQI (US)
20th January 2026
29AQI (US)
21st January 2026
35AQI (US)
22nd January 2026
31AQI (US)
23rd January 2026
53AQI (US)
24th January 2026
50AQI (US)
25th January 2026
30AQI (US)
26th January 2026
44AQI (US)
27th January 2026
52AQI (US)
28th January 2026
37AQI (US)
29th January 2026
51AQI (US)
30th January 2026
43AQI (US)
31st January 2026
61AQI (US)
1st February 2026
83AQI (US)
2nd February 2026
64AQI (US)
3rd February 2026
65AQI (US)
4th February 2026
96AQI (US)
5th February 2026
109AQI (US)
6th February 2026
61AQI (US)
7th February 2026
35AQI (US)
8th February 2026
37AQI (US)
9th February 2026
41AQI (US)
10th February 2026
71AQI (US)
11th February 2026
102AQI (US)
12th February 2026
115AQI (US)
13th February 2026
123AQI (US)
14th February 2026
126AQI (US)
15th February 2026
88AQI (US)
16th February 2026
39AQI (US)
17th February 2026
47AQI (US)
18th February 2026
47AQI (US)
19th February 2026
32AQI (US)
20th February 2026
64AQI (US)
21st February 2026
93AQI (US)
22nd February 2026
53AQI (US)
23rd February 2026
25AQI (US)
24th February 2026
36AQI (US)
25th February 2026
48AQI (US)
26th February 2026
24AQI (US)
27th February 2026
37AQI (US)
28th February 2026
48AQI (US)
1st March 2026
39AQI (US)
2nd March 2026
22AQI (US)
3rd March 2026
40AQI (US)
4th March 2026
58AQI (US)
5th March 2026
68AQI (US)
6th March 2026
51AQI (US)
7th March 2026
45AQI (US)
8th March 2026
50AQI (US)
9th March 2026
91AQI (US)
10th March 2026
97AQI (US)
11th March 2026
80AQI (US)
12th March 2026
104AQI (US)
13th March 2026
52AQI (US)
14th March 2026
52AQI (US)
15th March 2026
90AQI (US)
16th March 2026
104AQI (US)
17th March 2026
107AQI (US)
18th March 2026
100AQI (US)
19th March 2026
54AQI (US)
20th March 2026
46AQI (US)
21st March 2026
81AQI (US)
22nd March 2026
79AQI (US)
23rd March 2026
73AQI (US)
24th March 2026
100AQI (US)
25th March 2026
75AQI (US)
26th March 2026
85AQI (US)
27th March 2026
103AQI (US)
28th March 2026
78AQI (US)
29th March 2026
71AQI (US)
30th March 2026
71AQI (US)
31st March 2026
45AQI (US)
1st April 2026
67AQI (US)
2nd April 2026
73AQI (US)
3rd April 2026
106AQI (US)
4th April 2026
34AQI (US)
5th April 2026
61AQI (US)
6th April 2026
48AQI (US)
7th April 2026
22AQI (US)
8th April 2026
33AQI (US)
9th April 2026
50AQI (US)
10th April 2026
42AQI (US)
11th April 2026
67AQI (US)
12th April 2026
59AQI (US)
13th April 2026
46AQI (US)
14th April 2026
56AQI (US)
15th April 2026
57AQI (US)
16th April 2026
49AQI (US)
17th April 2026
18th April 2026
50AQI (US)
19th April 2026
62AQI (US)
20th April 2026
71AQI (US)
21st April 2026
65AQI (US)
22nd April 2026
23rd April 2026
49AQI (US)
24th April 2026
33AQI (US)
25th April 2026
51AQI (US)
26th April 2026
49AQI (US)
27th April 2026
50AQI (US)
28th April 2026
38AQI (US)
29th April 2026
46AQI (US)
30th April 2026
48AQI (US)
1st May 2026
46AQI (US)
2nd May 2026
89AQI (US)
3rd May 2026
50AQI (US)
4th May 2026
29AQI (US)
5th May 2026
44AQI (US)
6th May 2026
32AQI (US)
7th May 2026
44AQI (US)
8th May 2026
35AQI (US)
9th May 2026
10th May 2026
40AQI (US)
11th May 2026
40AQI (US)
12th May 2026
25AQI (US)
13th May 2026
59AQI (US)
14th May 2026
56AQI (US)
15th May 2026
53AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
77AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
70AQI (US)
25th May 2026
65AQI (US)
26th May 2026
47AQI (US)
27th May 2026
26AQI (US)
28th May 2026
27AQI (US)
29th May 2026
53AQI (US)
30th May 2026
44AQI (US)
31st May 2026
49AQI (US)
1st June 2026
56AQI (US)
2nd June 2026
65AQI (US)
3rd June 2026
61AQI (US)
4th June 2026
74AQI (US)
5th June 2026
25AQI (US)
6th June 2026
30AQI (US)
7th June 2026
38AQI (US)
8th June 2026
49AQI (US)
9th June 2026
39AQI (US)
10th June 2026
36AQI (US)
11th June 2026
38AQI (US)
12th June 2026
43AQI (US)
13th June 2026
48AQI (US)
14th June 2026
46AQI (US)
15th June 2026
46AQI (US)
16th June 2026
55AQI (US)
17th June 2026
61AQI (US)
18th June 2026
53AQI (US)
19th June 2026
62AQI (US)
20th June 2026
16AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
32AQI (US)
23rd June 2026
28AQI (US)
24th June 2026
16AQI (US)
25th June 2026
26AQI (US)
26th June 2026
34AQI (US)
27th June 2026
53AQI (US)
28th June 2026
54AQI (US)
29th June 2026
49AQI (US)
30th June 2026
57AQI (US)
1st July 2026
49AQI (US)
2nd July 2026
38AQI (US)
3rd July 2026
30AQI (US)
4th July 2026
48AQI (US)
5th July 2026
31AQI (US)
6th July 2026
32AQI (US)
7th July 2026
31AQI (US)
8th July 2026
23AQI (US)
9th July 2026
21AQI (US)
10th July 2026
28AQI (US)
11th July 2026
36AQI (US)
12th July 2026
40AQI (US)
13th July 2026
32AQI (US)
14th July 2026
27AQI (US)
15th July 2026
31AQI (US)
16th July 2026
55AQI (US)
17th July 2026
50AQI (US)
18th July 2026
35AQI (US)
19th July 2026
30AQI (US)
20th July 2026
32AQI (US)
21st July 2026
32AQI (US)
22nd July 2026
37AQI (US)
23rd July 2026
42AQI (US)
24th July 2026
36AQI (US)
25th July 2026
27AQI (US)
26th July 2026
27AQI (US)
27th July 2026
28AQI (US)
28th July 2026
38AQI (US)
29th July 2026
29AQI (US)
30th July 2026
28AQI (US)
31st July 2026
38AQI (US)
1st August 2026
59AQI (US)
2nd August 2026
44AQI (US)
3rd August 2026
47AQI (US)
4th August 2026
64AQI (US)
5th August 2026
36AQI (US)
6th August 2026
36AQI (US)
7th August 2026
42AQI (US)
8th August 2026
36AQI (US)
9th August 2026
24AQI (US)
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

52AQI (US)

65AQI (US)

71AQI (US)

53AQI (US)

52AQI (US)

44AQI (US)

34AQI (US)

43AQI (US)

No. of days

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

202652AQI (US)

16
13
2
13
10
5
7
20
4
16
11
1
15
15
19
11
30
1
7
2
123
83
12

Highest AQI (US) recorded in

March

71AQI (US)

Lowest AQI (US) recorded in

July

34AQI (US)

202558AQI (US)

1
25
5
4
23
1
3
24
4
7
23
14
17
10
20
15
16
23
8
29
1
18
13
8
19
3
12
19
144
208
13

Highest AQI (US) recorded in

March

79AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202457AQI (US)

9
16
6
9
13
6
1
8
20
3
6
22
2
15
16
7
23
27
4
15
16
24
6
17
14
10
20
6
25
153
195
17
1

Highest AQI (US) recorded in

February

73AQI (US)

Lowest AQI (US) recorded in

July

36AQI (US)

202368AQI (US)

6
21
2
2
16
8
4
2
19
10
1
22
6
1
5
25
1
4
26
16
15
13
18
19
11
13
18
9
19
1
8
17
6
96
227
34
7

Highest AQI (US) recorded in

February

100AQI (US)

Lowest AQI (US) recorded in

September

48AQI (US)

202267AQI (US)

1
20
8
1
4
12
5
2
5
20
6
6
24
7
22
2
16
14
10
14
1
19
10
13
17
1
3
23
4
4
26
1
89
202
27
3

Highest AQI (US) recorded in

February

86AQI (US)

Lowest AQI (US) recorded in

August

43AQI (US)

202169AQI (US)

5
20
5
4
16
8
2
18
9
1
1
2
28
6
21
2
1
1
5
24
1
21
10
14
17
28
2
9
22
8
18
3
1
9
14
8
113
210
36
2
1
2

Highest AQI (US) recorded in

March

99AQI (US)

Lowest AQI (US) recorded in

September

38AQI (US)

202064AQI (US)

3
8
2
3
18
3
15
7
23
19
12
16
15
15
14
1
6
21
4
4
18
8
2
20
9
78
164
24

Highest AQI (US) recorded in

December

82AQI (US)

Lowest AQI (US) recorded in

July

46AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
69AQI (US)
Least Polluted Year Recorded
2026(Avg.)
52AQI (US)

Asan's annual 2026 AQI (US) (52) shows an average percentage change of -18.07% (improved AQI (US)) compared to previous years: 2020 (64), 2021 (69), 2022 (67), 2023 (68), 2024 (57), 2025 (58).