Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hosan, 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

Hosan, Chungnam, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2023
91AQI
Lowest AQI recorded on
9th Aug 2026
24AQI

Same Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 12th Aug - 13th Aug 2026

Hosan, Chungnam, South Korea

AQI
Day
Night
.

5 AM12th Aug 2026

7 PM

4 AM13th Aug 2026

Day time
Avg. Highest Time
7PM12th Aug

34AQI

Avg. Lowest Time
9AM12th Aug

23AQI

Night time
Avg. Highest Time
11PM12th Aug

34AQI

Avg. Lowest Time
4AM13th Aug

26AQI

In the last 24 hours,

Hosan's AQI reached its highest point of 34 at 7 PM during the Day, while the lowest point, 23, was recorded at 9 AM during the Day between 12th Aug and 13th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Hosan, Chungnam, South Korea

JulAug
15th - 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 - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
15th Jul 2026305 AMAQI
15th Jul 2026246 AMAQI
15th Jul 2026317 AMAQI
15th Jul 2026328 AMAQI
15th Jul 2026319 AMAQI
15th Jul 20263210 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026211 PMAQI
15th Jul 2026212 PMAQI
15th Jul 2026243 PMAQI
15th Jul 2026264 PMAQI
15th Jul 2026275 PMAQI
15th Jul 2026276 PMAQI
15th Jul 2026297 PMAQI
15th Jul 2026298 PMAQI
15th Jul 2026299 PMAQI
15th Jul 20263110 PMAQI
15th Jul 20263411 PMAQI
16th Jul 20264212 AMAQI
16th Jul 2026421 AMAQI
16th Jul 2026412 AMAQI
16th Jul 2026443 AMAQI
16th Jul 2026444 AMAQI

26°C23/30°C

16th Jul 2026495 AMAQI
16th Jul 2026526 AMAQI
16th Jul 2026587 AMAQI
16th Jul 2026628 AMAQI
16th Jul 2026619 AMAQI
16th Jul 20265710 AMAQI
16th Jul 20265911 AMAQI
16th Jul 20265612 PMAQI
16th Jul 2026541 PMAQI
16th Jul 2026532 PMAQI
16th Jul 2026583 PMAQI
16th Jul 2026584 PMAQI
16th Jul 2026545 PMAQI
16th Jul 2026546 PMAQI
16th Jul 2026587 PMAQI
16th Jul 2026628 PMAQI
16th Jul 2026629 PMAQI
16th Jul 20266410 PMAQI
16th Jul 20266411 PMAQI
17th Jul 20266612 AMAQI
17th Jul 2026661 AMAQI
17th Jul 2026672 AMAQI
17th Jul 2026643 AMAQI
17th Jul 2026584 AMAQI

25°C20/31°C

17th Jul 2026525 AMAQI
17th Jul 2026516 AMAQI
17th Jul 2026497 AMAQI
17th Jul 2026468 AMAQI
17th Jul 2026469 AMAQI
17th Jul 20265010 AMAQI
17th Jul 20264611 AMAQI
17th Jul 20264412 PMAQI
17th Jul 2026341 PMAQI
17th Jul 2026292 PMAQI
17th Jul 2026483 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026586 PMAQI
17th Jul 2026597 PMAQI
17th Jul 2026528 PMAQI
17th Jul 2026539 PMAQI
17th Jul 20265810 PMAQI
17th Jul 20265111 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026291 AMAQI
18th Jul 2026212 AMAQI
18th Jul 2026193 AMAQI
18th Jul 2026204 AMAQI

25°C23/29°C

18th Jul 2026235 AMAQI
18th Jul 2026266 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026348 AMAQI
18th Jul 2026439 AMAQI
18th Jul 20265210 AMAQI
18th Jul 20265011 AMAQI
18th Jul 20265112 PMAQI
18th Jul 2026471 PMAQI
18th Jul 2026472 PMAQI
18th Jul 2026503 PMAQI
18th Jul 2026504 PMAQI
18th Jul 2026505 PMAQI
18th Jul 2026416 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026348 PMAQI
18th Jul 2026329 PMAQI
18th Jul 20263510 PMAQI
18th Jul 20263611 PMAQI
19th Jul 20263612 AMAQI
19th Jul 2026301 AMAQI
19th Jul 2026262 AMAQI
19th Jul 2026273 AMAQI
19th Jul 2026254 AMAQI

25°C24/27°C

19th Jul 2026265 AMAQI
19th Jul 2026266 AMAQI
19th Jul 2026267 AMAQI
19th Jul 2026308 AMAQI
19th Jul 2026309 AMAQI
19th Jul 20262710 AMAQI
19th Jul 20263311 AMAQI
19th Jul 20262812 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026262 PMAQI
19th Jul 2026323 PMAQI
19th Jul 2026304 PMAQI
19th Jul 2026315 PMAQI
19th Jul 2026306 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20262310 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262612 AMAQI
20th Jul 2026271 AMAQI
20th Jul 2026282 AMAQI
20th Jul 2026263 AMAQI
20th Jul 2026294 AMAQI

24°C23/27°C

20th Jul 2026325 AMAQI
20th Jul 2026306 AMAQI
20th Jul 2026297 AMAQI
20th Jul 2026268 AMAQI
20th Jul 2026269 AMAQI
20th Jul 20262610 AMAQI
20th Jul 20262611 AMAQI
20th Jul 20262612 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026342 PMAQI
20th Jul 2026383 PMAQI
20th Jul 2026384 PMAQI
20th Jul 2026415 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026417 PMAQI
20th Jul 2026408 PMAQI
20th Jul 2026399 PMAQI
20th Jul 20263510 PMAQI
20th Jul 20262911 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026282 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026324 AMAQI

25°C21/30°C

21st Jul 2026335 AMAQI
21st Jul 2026316 AMAQI
21st Jul 2026267 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262810 AMAQI
21st Jul 20262811 AMAQI
21st Jul 2026331 PMAQI
21st Jul 2026332 PMAQI
21st Jul 2026323 PMAQI
21st Jul 2026324 PMAQI
21st Jul 2026395 PMAQI
21st Jul 2026466 PMAQI
21st Jul 2026887 PMAQI
21st Jul 2026438 PMAQI
21st Jul 2026359 PMAQI
21st Jul 20263410 PMAQI
21st Jul 20263411 PMAQI
22nd Jul 20263412 AMAQI
22nd Jul 2026331 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026483 AMAQI
22nd Jul 2026434 AMAQI

25°C23/28°C

22nd Jul 2026385 AMAQI
22nd Jul 2026366 AMAQI
22nd Jul 2026347 AMAQI
22nd Jul 2026318 AMAQI
22nd Jul 2026349 AMAQI
22nd Jul 20263210 AMAQI
22nd Jul 20263211 AMAQI
22nd Jul 20263712 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026362 PMAQI
22nd Jul 2026363 PMAQI
22nd Jul 2026364 PMAQI
22nd Jul 2026365 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026287 PMAQI
22nd Jul 2026338 PMAQI
22nd Jul 2026309 PMAQI
22nd Jul 20262610 PMAQI
22nd Jul 20262711 PMAQI
23rd Jul 20263012 AMAQI
23rd Jul 2026281 AMAQI
23rd Jul 2026302 AMAQI
23rd Jul 2026303 AMAQI
23rd Jul 2026314 AMAQI

27°C24/31°C

23rd Jul 2026305 AMAQI
23rd Jul 2026306 AMAQI
23rd Jul 2026287 AMAQI
23rd Jul 2026298 AMAQI
23rd Jul 2026319 AMAQI
23rd Jul 20263010 AMAQI
23rd Jul 20262811 AMAQI
23rd Jul 20262812 PMAQI
23rd Jul 2026321 PMAQI
23rd Jul 2026442 PMAQI
23rd Jul 2026513 PMAQI
23rd Jul 2026384 PMAQI
23rd Jul 2026375 PMAQI
23rd Jul 2026436 PMAQI
23rd Jul 2026467 PMAQI
23rd Jul 2026508 PMAQI
23rd Jul 2026529 PMAQI
23rd Jul 20264510 PMAQI
23rd Jul 20264011 PMAQI
24th Jul 20263412 AMAQI
24th Jul 2026341 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026363 AMAQI
24th Jul 2026364 AMAQI

26°C23/30°C

24th Jul 2026355 AMAQI
24th Jul 2026346 AMAQI
24th Jul 2026347 AMAQI
24th Jul 2026368 AMAQI
24th Jul 2026439 AMAQI
24th Jul 20264810 AMAQI
24th Jul 20264611 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026341 PMAQI
24th Jul 2026302 PMAQI
24th Jul 2026323 PMAQI
24th Jul 2026334 PMAQI
24th Jul 2026305 PMAQI
24th Jul 2026286 PMAQI
24th Jul 2026247 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026289 PMAQI
24th Jul 20263110 PMAQI
24th Jul 20262811 PMAQI
25th Jul 20262412 AMAQI
25th Jul 2026251 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026253 AMAQI
25th Jul 2026254 AMAQI

27°C22/32°C

25th Jul 2026235 AMAQI
25th Jul 2026236 AMAQI
25th Jul 2026237 AMAQI
25th Jul 2026248 AMAQI
25th Jul 2026329 AMAQI
25th Jul 20263210 AMAQI
25th Jul 20263011 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026271 PMAQI
25th Jul 2026272 PMAQI
25th Jul 2026243 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026239 PMAQI
25th Jul 20262410 PMAQI
25th Jul 20262411 PMAQI
26th Jul 20262612 AMAQI
26th Jul 2026241 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026283 AMAQI
26th Jul 2026254 AMAQI

27°C23/31°C

26th Jul 2026235 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026267 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262910 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263212 PMAQI
26th Jul 2026331 PMAQI
26th Jul 2026262 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026226 PMAQI
26th Jul 2026227 PMAQI
26th Jul 2026248 PMAQI
26th Jul 2026249 PMAQI
26th Jul 20262410 PMAQI
26th Jul 20262611 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026263 AMAQI
27th Jul 2026264 AMAQI

27°C23/32°C

27th Jul 2026295 AMAQI
27th Jul 2026276 AMAQI
27th Jul 2026327 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026279 AMAQI
27th Jul 20262810 AMAQI
27th Jul 20263211 AMAQI
27th Jul 20263512 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026283 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026265 PMAQI
27th Jul 2026266 PMAQI
27th Jul 2026267 PMAQI
27th Jul 2026318 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20263511 PMAQI
28th Jul 20263212 AMAQI
28th Jul 2026281 AMAQI
28th Jul 2026242 AMAQI
28th Jul 2026343 AMAQI
28th Jul 2026234 AMAQI

27°C24/33°C

28th Jul 2026265 AMAQI
28th Jul 2026226 AMAQI
28th Jul 2026247 AMAQI
28th Jul 2026248 AMAQI
28th Jul 2026319 AMAQI
28th Jul 20263710 AMAQI
28th Jul 20263711 AMAQI
28th Jul 20263412 PMAQI
28th Jul 2026341 PMAQI
28th Jul 2026322 PMAQI
28th Jul 2026353 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026396 PMAQI
28th Jul 2026307 PMAQI
28th Jul 2026328 PMAQI
28th Jul 2026369 PMAQI
28th Jul 20263110 PMAQI
28th Jul 20262811 PMAQI
29th Jul 20262612 AMAQI
29th Jul 2026281 AMAQI
29th Jul 2026242 AMAQI
29th Jul 2026223 AMAQI
29th Jul 2026244 AMAQI

27°C23/32°C

29th Jul 2026255 AMAQI
29th Jul 2026266 AMAQI
29th Jul 2026267 AMAQI
29th Jul 2026248 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262710 AMAQI
29th Jul 20262811 AMAQI
29th Jul 20262812 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026242 PMAQI
29th Jul 2026333 PMAQI
29th Jul 2026304 PMAQI
29th Jul 2026305 PMAQI
29th Jul 2026266 PMAQI
29th Jul 2026247 PMAQI
29th Jul 2026228 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262410 PMAQI
29th Jul 20262811 PMAQI
30th Jul 20263412 AMAQI
30th Jul 2026321 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026233 AMAQI
30th Jul 2026234 AMAQI

27°C23/32°C

30th Jul 2026275 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026317 AMAQI
30th Jul 2026318 AMAQI
30th Jul 2026289 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262411 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026292 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026264 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026267 PMAQI
30th Jul 2026238 PMAQI
30th Jul 2026279 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262411 PMAQI
31st Jul 20262312 AMAQI
31st Jul 2026241 AMAQI
31st Jul 2026302 AMAQI
31st Jul 2026303 AMAQI
31st Jul 2026254 AMAQI

26°C22/32°C

31st Jul 2026255 AMAQI
31st Jul 2026246 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026248 AMAQI
31st Jul 2026319 AMAQI
31st Jul 20265010 AMAQI
31st Jul 20265311 AMAQI
31st Jul 20265612 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026252 PMAQI
31st Jul 2026263 PMAQI
31st Jul 2026344 PMAQI
31st Jul 2026505 PMAQI
31st Jul 2026396 PMAQI
31st Jul 2026387 PMAQI
31st Jul 2026508 PMAQI
31st Jul 2026519 PMAQI
31st Jul 20264610 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20265012 AMAQI
1st Aug 2026521 AMAQI
1st Aug 2026542 AMAQI
1st Aug 2026563 AMAQI
1st Aug 2026594 AMAQI

27°C21/33°C

1st Aug 2026615 AMAQI
1st Aug 2026596 AMAQI
1st Aug 2026647 AMAQI
1st Aug 2026598 AMAQI
1st Aug 2026599 AMAQI
1st Aug 20266310 AMAQI
1st Aug 20267211 AMAQI
1st Aug 20267112 PMAQI
1st Aug 2026681 PMAQI
1st Aug 2026602 PMAQI
1st Aug 2026583 PMAQI
1st Aug 2026494 PMAQI
1st Aug 2026495 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026487 PMAQI
1st Aug 2026488 PMAQI
1st Aug 2026499 PMAQI
1st Aug 20265210 PMAQI
1st Aug 20265511 PMAQI
2nd Aug 20265012 AMAQI
2nd Aug 2026501 AMAQI
2nd Aug 2026482 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026384 AMAQI

28°C24/33°C

2nd Aug 2026395 AMAQI
2nd Aug 2026446 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026498 AMAQI
2nd Aug 2026479 AMAQI
2nd Aug 20264710 AMAQI
2nd Aug 20263311 AMAQI
2nd Aug 20263612 PMAQI
2nd Aug 2026351 PMAQI
2nd Aug 2026362 PMAQI
2nd Aug 2026343 PMAQI
2nd Aug 2026344 PMAQI
2nd Aug 2026335 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026337 PMAQI
2nd Aug 2026318 PMAQI
2nd Aug 2026329 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20264211 PMAQI
3rd Aug 20264812 AMAQI
3rd Aug 2026481 AMAQI
3rd Aug 2026472 AMAQI
3rd Aug 2026523 AMAQI
3rd Aug 2026584 AMAQI

28°C23/35°C

3rd Aug 2026585 AMAQI
3rd Aug 2026566 AMAQI
3rd Aug 2026527 AMAQI
3rd Aug 2026538 AMAQI
3rd Aug 2026549 AMAQI
3rd Aug 20265310 AMAQI
3rd Aug 20265411 AMAQI
3rd Aug 20265312 PMAQI
3rd Aug 2026491 PMAQI
3rd Aug 2026472 PMAQI
3rd Aug 2026413 PMAQI
3rd Aug 2026414 PMAQI
3rd Aug 2026415 PMAQI
3rd Aug 2026416 PMAQI
3rd Aug 2026417 PMAQI
3rd Aug 2026328 PMAQI
3rd Aug 2026409 PMAQI
3rd Aug 20264910 PMAQI
3rd Aug 20265411 PMAQI
4th Aug 20265612 AMAQI
4th Aug 2026601 AMAQI
4th Aug 2026622 AMAQI
4th Aug 2026673 AMAQI
4th Aug 2026764 AMAQI

28°C22/36°C

4th Aug 2026765 AMAQI
4th Aug 2026716 AMAQI
4th Aug 2026687 AMAQI
4th Aug 2026728 AMAQI
4th Aug 2026779 AMAQI
4th Aug 20266910 AMAQI
4th Aug 20266611 AMAQI
4th Aug 20266512 PMAQI
4th Aug 2026611 PMAQI
4th Aug 2026472 PMAQI
4th Aug 2026513 PMAQI
4th Aug 2026534 PMAQI
4th Aug 2026545 PMAQI
4th Aug 2026516 PMAQI
4th Aug 2026507 PMAQI
4th Aug 2026568 PMAQI
4th Aug 2026509 PMAQI
4th Aug 20263910 PMAQI
4th Aug 20264011 PMAQI
5th Aug 20264412 AMAQI
5th Aug 2026391 AMAQI
5th Aug 2026352 AMAQI
5th Aug 2026423 AMAQI
5th Aug 2026474 AMAQI

29°C24/36°C

5th Aug 2026485 AMAQI
5th Aug 2026476 AMAQI
5th Aug 2026487 AMAQI
5th Aug 2026428 AMAQI
5th Aug 2026409 AMAQI
5th Aug 20262710 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20262312 PMAQI
5th Aug 2026221 PMAQI
5th Aug 2026222 PMAQI
5th Aug 2026223 PMAQI
5th Aug 2026204 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026267 PMAQI
5th Aug 2026248 PMAQI
5th Aug 2026269 PMAQI
5th Aug 20262810 PMAQI
5th Aug 20263111 PMAQI
6th Aug 20263612 AMAQI
6th Aug 2026351 AMAQI
6th Aug 2026442 AMAQI
6th Aug 2026453 AMAQI
6th Aug 2026584 AMAQI

29°C24/36°C

6th Aug 2026615 AMAQI
6th Aug 2026616 AMAQI
6th Aug 2026607 AMAQI
6th Aug 2026568 AMAQI
6th Aug 2026449 AMAQI
6th Aug 20263010 AMAQI
6th Aug 20262811 AMAQI
6th Aug 20262712 PMAQI
6th Aug 2026261 PMAQI
6th Aug 2026272 PMAQI
6th Aug 2026233 PMAQI
6th Aug 2026204 PMAQI
6th Aug 2026185 PMAQI
6th Aug 2026176 PMAQI
6th Aug 2026177 PMAQI
6th Aug 2026178 PMAQI
6th Aug 2026189 PMAQI
6th Aug 20262010 PMAQI
6th Aug 20262611 PMAQI
7th Aug 20262812 AMAQI
7th Aug 2026421 AMAQI
7th Aug 2026482 AMAQI
7th Aug 2026533 AMAQI
7th Aug 2026594 AMAQI

29°C24/36°C

7th Aug 2026565 AMAQI
7th Aug 2026516 AMAQI
7th Aug 2026497 AMAQI
7th Aug 2026398 AMAQI
7th Aug 2026379 AMAQI
7th Aug 20263810 AMAQI
7th Aug 20263811 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026601 PMAQI
7th Aug 2026232 PMAQI
7th Aug 2026223 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026235 PMAQI
7th Aug 2026236 PMAQI
7th Aug 2026247 PMAQI
7th Aug 2026228 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20263010 PMAQI
7th Aug 20263611 PMAQI
8th Aug 20264112 AMAQI
8th Aug 2026331 AMAQI
8th Aug 2026332 AMAQI
8th Aug 2026383 AMAQI
8th Aug 2026344 AMAQI

29°C23/37°C

8th Aug 2026385 AMAQI
8th Aug 2026316 AMAQI
8th Aug 2026347 AMAQI
8th Aug 2026358 AMAQI
8th Aug 2026309 AMAQI
8th Aug 20262610 AMAQI
8th Aug 20262411 AMAQI
8th Aug 20262212 PMAQI
8th Aug 2026241 PMAQI
8th Aug 2026222 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026234 PMAQI
8th Aug 2026225 PMAQI
8th Aug 2026236 PMAQI
8th Aug 2026227 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026219 PMAQI
8th Aug 20262210 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20261712 AMAQI
9th Aug 2026171 AMAQI
9th Aug 2026172 AMAQI
9th Aug 2026193 AMAQI
9th Aug 2026284 AMAQI

29°C24/36°C

9th Aug 2026245 AMAQI
9th Aug 2026246 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026298 AMAQI
9th Aug 2026269 AMAQI
9th Aug 20262610 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026291 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026223 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026245 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026268 PMAQI
9th Aug 2026279 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262612 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026242 AMAQI
10th Aug 2026263 AMAQI
10th Aug 2026254 AMAQI

27°C24/31°C

10th Aug 2026325 AMAQI
10th Aug 2026296 AMAQI
10th Aug 2026287 AMAQI
10th Aug 2026448 AMAQI
10th Aug 2026439 AMAQI
10th Aug 20264310 AMAQI
10th Aug 20264311 AMAQI
10th Aug 20262412 PMAQI
10th Aug 2026241 PMAQI
10th Aug 2026272 PMAQI
10th Aug 2026243 PMAQI
10th Aug 2026234 PMAQI
10th Aug 2026265 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026237 PMAQI
10th Aug 2026248 PMAQI
10th Aug 2026269 PMAQI
10th Aug 20263110 PMAQI
10th Aug 20263011 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026282 AMAQI
11th Aug 2026263 AMAQI
11th Aug 2026254 AMAQI

26°C24/31°C

11th Aug 2026255 AMAQI
11th Aug 2026246 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262510 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262312 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026262 PMAQI
11th Aug 2026263 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026285 PMAQI
11th Aug 2026306 PMAQI
11th Aug 2026257 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20263410 PMAQI
11th Aug 20262811 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026302 AMAQI
12th Aug 2026273 AMAQI
12th Aug 2026244 AMAQI

25°C22/31°C

12th Aug 2026255 AMAQI
12th Aug 2026246 AMAQI
12th Aug 2026247 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262410 AMAQI
12th Aug 20262611 AMAQI
12th Aug 20262412 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026242 PMAQI
12th Aug 2026243 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026265 PMAQI
12th Aug 2026286 PMAQI
12th Aug 2026347 PMAQI
12th Aug 2026308 PMAQI
12th Aug 2026279 PMAQI
12th Aug 20262810 PMAQI
12th Aug 20263411 PMAQI
13th Aug 20263112 AMAQI
13th Aug 2026281 AMAQI
13th Aug 2026292 AMAQI
13th Aug 2026273 AMAQI
13th Aug 2026264 AMAQI

23°C16/30°C

13th Aug 2026255 AMAQI
5 AM
13th Aug 2026256 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026308 AMAQI
13th Aug 2026279 AMAQI
13th Aug 20262710 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262612 PMAQI
12 PM
13th Aug 2026261 PMAQI
13th Aug 2026262 PMAQI
13th Aug 2026253 PMAQI
13th Aug 2026244 PMAQI
13th Aug 2026225 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026267 PMAQI
7 PM
13th Aug 2026308 PMAQI
13th Aug 2026379 PMAQI
13th Aug 20263210 PMAQI
13th Aug 20263311 PMAQI
12 AM
4 AM

25°C19/31°C

Day time
Avg. Highest Time
5 AM - 1 PM

36AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
2 PM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 1 PM (Avg. 36), while the lowest AQI was between 2 PM to 2 PM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 4 AM

35AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
8 PM - 9 PM

33AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 35), while the lowest AQI was between 8 PM to 9 PM (Avg. 33).

2026 Days Vs Air Quality

Hosan, Chungnam, South Korea

2026

52%

116

42%

94

5%

12

Total number of days with different AQI categories in last 225 days in 2026 (140 days remaining)

Good
116 Days
Moderate
94 Days
Poor
12 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 52%

Health Risk Level:

Considerable

In 2026, 52% of 225 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Hosan, 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
32AQI (US)
2nd January 2026
36AQI (US)
3rd January 2026
53AQI (US)
4th January 2026
90AQI (US)
5th January 2026
62AQI (US)
6th January 2026
55AQI (US)
7th January 2026
62AQI (US)
8th January 2026
22AQI (US)
9th January 2026
40AQI (US)
10th January 2026
50AQI (US)
11th January 2026
24AQI (US)
12th January 2026
42AQI (US)
13th January 2026
50AQI (US)
14th January 2026
32AQI (US)
15th January 2026
78AQI (US)
16th January 2026
116AQI (US)
17th January 2026
113AQI (US)
18th January 2026
104AQI (US)
19th January 2026
70AQI (US)
20th January 2026
28AQI (US)
21st January 2026
34AQI (US)
22nd January 2026
36AQI (US)
23rd January 2026
60AQI (US)
24th January 2026
56AQI (US)
25th January 2026
34AQI (US)
26th January 2026
46AQI (US)
27th January 2026
51AQI (US)
28th January 2026
40AQI (US)
29th January 2026
53AQI (US)
30th January 2026
37AQI (US)
31st January 2026
63AQI (US)
1st February 2026
82AQI (US)
2nd February 2026
67AQI (US)
3rd February 2026
70AQI (US)
4th February 2026
100AQI (US)
5th February 2026
112AQI (US)
6th February 2026
63AQI (US)
7th February 2026
35AQI (US)
8th February 2026
38AQI (US)
9th February 2026
38AQI (US)
10th February 2026
74AQI (US)
11th February 2026
98AQI (US)
12th February 2026
114AQI (US)
13th February 2026
121AQI (US)
14th February 2026
125AQI (US)
15th February 2026
110AQI (US)
16th February 2026
42AQI (US)
17th February 2026
55AQI (US)
18th February 2026
47AQI (US)
19th February 2026
36AQI (US)
20th February 2026
73AQI (US)
21st February 2026
94AQI (US)
22nd February 2026
55AQI (US)
23rd February 2026
29AQI (US)
24th February 2026
32AQI (US)
25th February 2026
39AQI (US)
26th February 2026
26AQI (US)
27th February 2026
47AQI (US)
28th February 2026
44AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
12AQI (US)
3rd March 2026
33AQI (US)
4th March 2026
53AQI (US)
5th March 2026
70AQI (US)
6th March 2026
55AQI (US)
7th March 2026
47AQI (US)
8th March 2026
50AQI (US)
9th March 2026
85AQI (US)
10th March 2026
104AQI (US)
11th March 2026
83AQI (US)
12th March 2026
100AQI (US)
13th March 2026
40AQI (US)
14th March 2026
64AQI (US)
15th March 2026
108AQI (US)
16th March 2026
90AQI (US)
17th March 2026
112AQI (US)
18th March 2026
87AQI (US)
19th March 2026
57AQI (US)
20th March 2026
50AQI (US)
21st March 2026
75AQI (US)
22nd March 2026
98AQI (US)
23rd March 2026
77AQI (US)
24th March 2026
99AQI (US)
25th March 2026
87AQI (US)
26th March 2026
92AQI (US)
27th March 2026
83AQI (US)
28th March 2026
95AQI (US)
29th March 2026
80AQI (US)
30th March 2026
77AQI (US)
31st March 2026
46AQI (US)
1st April 2026
84AQI (US)
2nd April 2026
93AQI (US)
3rd April 2026
116AQI (US)
4th April 2026
40AQI (US)
5th April 2026
67AQI (US)
6th April 2026
54AQI (US)
7th April 2026
26AQI (US)
8th April 2026
36AQI (US)
9th April 2026
45AQI (US)
10th April 2026
40AQI (US)
11th April 2026
75AQI (US)
12th April 2026
78AQI (US)
13th April 2026
54AQI (US)
14th April 2026
75AQI (US)
15th April 2026
82AQI (US)
16th April 2026
61AQI (US)
17th April 2026
18th April 2026
52AQI (US)
19th April 2026
64AQI (US)
20th April 2026
82AQI (US)
21st April 2026
64AQI (US)
22nd April 2026
23rd April 2026
47AQI (US)
24th April 2026
34AQI (US)
25th April 2026
55AQI (US)
26th April 2026
60AQI (US)
27th April 2026
52AQI (US)
28th April 2026
43AQI (US)
29th April 2026
48AQI (US)
30th April 2026
55AQI (US)
1st May 2026
47AQI (US)
2nd May 2026
88AQI (US)
3rd May 2026
52AQI (US)
4th May 2026
29AQI (US)
5th May 2026
43AQI (US)
6th May 2026
34AQI (US)
7th May 2026
40AQI (US)
8th May 2026
32AQI (US)
9th May 2026
10th May 2026
39AQI (US)
11th May 2026
33AQI (US)
12th May 2026
24AQI (US)
13th May 2026
63AQI (US)
14th May 2026
59AQI (US)
15th May 2026
62AQI (US)
16th May 2026
78AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
52AQI (US)
20th May 2026
63AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
76AQI (US)
23rd May 2026
71AQI (US)
24th May 2026
70AQI (US)
25th May 2026
64AQI (US)
26th May 2026
48AQI (US)
27th May 2026
26AQI (US)
28th May 2026
28AQI (US)
29th May 2026
61AQI (US)
30th May 2026
54AQI (US)
31st May 2026
52AQI (US)
1st June 2026
61AQI (US)
2nd June 2026
62AQI (US)
3rd June 2026
69AQI (US)
4th June 2026
70AQI (US)
5th June 2026
25AQI (US)
6th June 2026
33AQI (US)
7th June 2026
39AQI (US)
8th June 2026
49AQI (US)
9th June 2026
48AQI (US)
10th June 2026
36AQI (US)
11th June 2026
41AQI (US)
12th June 2026
49AQI (US)
13th June 2026
52AQI (US)
14th June 2026
48AQI (US)
15th June 2026
46AQI (US)
16th June 2026
50AQI (US)
17th June 2026
56AQI (US)
18th June 2026
33AQI (US)
19th June 2026
60AQI (US)
20th June 2026
17AQI (US)
21st June 2026
18AQI (US)
22nd June 2026
42AQI (US)
23rd June 2026
29AQI (US)
24th June 2026
19AQI (US)
25th June 2026
27AQI (US)
26th June 2026
31AQI (US)
27th June 2026
52AQI (US)
28th June 2026
51AQI (US)
29th June 2026
51AQI (US)
30th June 2026
54AQI (US)
1st July 2026
42AQI (US)
2nd July 2026
36AQI (US)
3rd July 2026
29AQI (US)
4th July 2026
47AQI (US)
5th July 2026
25AQI (US)
6th July 2026
26AQI (US)
7th July 2026
26AQI (US)
8th July 2026
19AQI (US)
9th July 2026
19AQI (US)
10th July 2026
28AQI (US)
11th July 2026
29AQI (US)
12th July 2026
29AQI (US)
13th July 2026
28AQI (US)
14th July 2026
26AQI (US)
15th July 2026
28AQI (US)
16th July 2026
54AQI (US)
17th July 2026
52AQI (US)
18th July 2026
38AQI (US)
19th July 2026
28AQI (US)
20th July 2026
32AQI (US)
21st July 2026
34AQI (US)
22nd July 2026
34AQI (US)
23rd July 2026
36AQI (US)
24th July 2026
34AQI (US)
25th July 2026
26AQI (US)
26th July 2026
26AQI (US)
27th July 2026
28AQI (US)
28th July 2026
32AQI (US)
29th July 2026
26AQI (US)
30th July 2026
28AQI (US)
31st July 2026
36AQI (US)
1st August 2026
57AQI (US)
2nd August 2026
40AQI (US)
3rd August 2026
49AQI (US)
4th August 2026
60AQI (US)
5th August 2026
32AQI (US)
6th August 2026
34AQI (US)
7th August 2026
37AQI (US)
8th August 2026
28AQI (US)
9th August 2026
24AQI (US)
10th August 2026
29AQI (US)
11th August 2026
26AQI (US)
12th August 2026
26AQI (US)
13th August 2026
27AQI (US)
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)

67AQI (US)

72AQI (US)

60AQI (US)

53AQI (US)

44AQI (US)

32AQI (US)

36AQI (US)

No. of days

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

202653AQI (US)

16
12
3
12
11
5
8
20
3
9
18
1
12
18
19
11
29
2
11
2
116
94
12

Highest AQI (US) recorded in

March

72AQI (US)

Lowest AQI (US) recorded in

July

32AQI (US)

202560AQI (US)

3
23
5
9
18
1
4
23
4
4
26
12
19
9
21
15
16
20
11
29
1
15
16
5
21
4
7
22
2
132
217
16

Highest AQI (US) recorded in

March

77AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202460AQI (US)

9
16
6
11
11
6
1
5
23
3
4
23
3
10
21
3
27
22
9
11
20
20
10
12
19
9
20
1
4
27
120
226
19
1

Highest AQI (US) recorded in

January

76AQI (US)

Lowest AQI (US) recorded in

July

40AQI (US)

202367AQI (US)

6
20
3
1
1
20
7
2
20
9
1
21
8
7
24
7
23
17
14
15
16
19
11
9
22
8
20
1
8
19
4
100
230
32
1

Highest AQI (US) recorded in

February

91AQI (US)

Lowest AQI (US) recorded in

July

47AQI (US)

202268AQI (US)

2
20
7
1
3
11
6
1
6
19
6
6
23
1
4
25
2
14
16
8
16
1
16
13
9
21
1
4
20
6
4
25
2
77
209
31
2

Highest AQI (US) recorded in

February

87AQI (US)

Lowest AQI (US) recorded in

August

44AQI (US)

202168AQI (US)

6
21
2
5
14
9
3
20
6
1
1
4
25
1
7
22
1
1
3
26
1
19
12
18
13
24
6
6
25
8
17
5
9
16
6
112
217
30
1
1
2

Highest AQI (US) recorded in

March

94AQI (US)

Lowest AQI (US) recorded in

September

41AQI (US)

202061AQI (US)

2
8
3
7
14
3
15
7
23
21
10
16
15
19
11
8
19
4
8
14
8
5
16
10
96
145
25

Highest AQI (US) recorded in

December

83AQI (US)

Lowest AQI (US) recorded in

July

43AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
68AQI (US)
Least Polluted Year Recorded
2026(Avg.)
53AQI (US)

Hosan's annual 2026 AQI (US) (53) shows an average percentage change of -16.9% (improved AQI (US)) compared to previous years: 2020 (61), 2021 (68), 2022 (68), 2023 (67), 2024 (60), 2025 (60).