Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Chiaksan, Wonju, Gangwon, 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

Chiaksan, Wonju, Gangwon, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
81AQI
Lowest AQI recorded on
9th Aug 2023
10AQI

Same Day Analysis (13th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 26 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 13th Aug - 14th Aug 2026

Chiaksan, Wonju, Gangwon, South Korea

AQI
Day
Night
.

5 AM13th Aug 2026

7 PM

4 AM14th Aug 2026

Day time
Avg. Highest Time
5AM13th Aug

33AQI

Avg. Lowest Time
7PM13th Aug

21AQI

Night time
Avg. Highest Time
4AM14th Aug

33AQI

Avg. Lowest Time
3AM14th Aug

21AQI

In the last 24 hours,

Chiaksan's AQI reached its highest point of 33 at 5 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 13th Aug and 14th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Chiaksan, Wonju, Gangwon, South Korea

JulAug
16th - 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 - 14th14th
Day
Night
16th Jul 2026325 AMAQI
16th Jul 2026316 AMAQI
16th Jul 2026387 AMAQI
16th Jul 2026408 AMAQI
16th Jul 2026569 AMAQI
16th Jul 20266910 AMAQI
16th Jul 20266611 AMAQI
16th Jul 20266212 PMAQI
16th Jul 2026601 PMAQI
16th Jul 2026672 PMAQI
16th Jul 2026703 PMAQI
16th Jul 2026684 PMAQI
16th Jul 2026735 PMAQI
16th Jul 2026786 PMAQI
16th Jul 2026767 PMAQI
16th Jul 2026748 PMAQI
16th Jul 2026789 PMAQI
16th Jul 20267510 PMAQI
16th Jul 20268011 PMAQI
17th Jul 20267812 AMAQI
17th Jul 2026791 AMAQI
17th Jul 2026762 AMAQI
17th Jul 2026783 AMAQI
17th Jul 2026784 AMAQI

24°C17/31°C

17th Jul 2026765 AMAQI
17th Jul 2026766 AMAQI
17th Jul 2026767 AMAQI
17th Jul 2026738 AMAQI
17th Jul 2026729 AMAQI
17th Jul 20267910 AMAQI
17th Jul 20268511 AMAQI
17th Jul 20268512 PMAQI
17th Jul 2026781 PMAQI
17th Jul 2026712 PMAQI
17th Jul 2026763 PMAQI
17th Jul 2026744 PMAQI
17th Jul 2026735 PMAQI
17th Jul 2026806 PMAQI
17th Jul 2026827 PMAQI
17th Jul 2026928 PMAQI
17th Jul 2026839 PMAQI
17th Jul 20269010 PMAQI
17th Jul 20269411 PMAQI
18th Jul 20267612 AMAQI
18th Jul 2026661 AMAQI
18th Jul 2026622 AMAQI
18th Jul 2026703 AMAQI
18th Jul 2026664 AMAQI

24°C20/30°C

18th Jul 2026555 AMAQI
18th Jul 2026486 AMAQI
18th Jul 2026427 AMAQI
18th Jul 2026388 AMAQI
18th Jul 2026409 AMAQI
18th Jul 20264410 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20263812 PMAQI
18th Jul 2026281 PMAQI
18th Jul 2026252 PMAQI
18th Jul 2026243 PMAQI
18th Jul 2026254 PMAQI
18th Jul 2026225 PMAQI
18th Jul 2026176 PMAQI
18th Jul 2026167 PMAQI
18th Jul 2026168 PMAQI
18th Jul 2026199 PMAQI
18th Jul 20262510 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20261612 AMAQI
19th Jul 2026161 AMAQI
19th Jul 2026192 AMAQI
19th Jul 2026173 AMAQI
19th Jul 2026164 AMAQI

22°C20/23°C

19th Jul 2026405 AMAQI
19th Jul 2026236 AMAQI
19th Jul 2026217 AMAQI
19th Jul 2026178 AMAQI
19th Jul 2026299 AMAQI
19th Jul 20262110 AMAQI
19th Jul 20261711 AMAQI
19th Jul 20261912 PMAQI
19th Jul 2026161 PMAQI
19th Jul 2026182 PMAQI
19th Jul 2026213 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026335 PMAQI
19th Jul 2026336 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026429 PMAQI
19th Jul 20265410 PMAQI
19th Jul 20266211 PMAQI
20th Jul 20265212 AMAQI
20th Jul 2026481 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026443 AMAQI
20th Jul 2026444 AMAQI

22°C21/24°C

20th Jul 2026425 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026317 AMAQI
20th Jul 2026348 AMAQI
20th Jul 2026409 AMAQI
20th Jul 20264210 AMAQI
20th Jul 20264211 AMAQI
20th Jul 20263312 PMAQI
20th Jul 2026341 PMAQI
20th Jul 2026312 PMAQI
20th Jul 2026333 PMAQI
20th Jul 2026364 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026236 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262710 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026271 AMAQI
21st Jul 2026232 AMAQI
21st Jul 2026213 AMAQI
21st Jul 2026294 AMAQI

24°C20/30°C

21st Jul 2026295 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026277 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026329 AMAQI
21st Jul 20263810 AMAQI
21st Jul 20263611 AMAQI
21st Jul 2026361 PMAQI
21st Jul 2026422 PMAQI
21st Jul 2026423 PMAQI
21st Jul 2026424 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026336 PMAQI
21st Jul 2026797 PMAQI
21st Jul 2026388 PMAQI
21st Jul 2026389 PMAQI
21st Jul 20263310 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20263612 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026383 AMAQI
22nd Jul 2026404 AMAQI

24°C21/27°C

22nd Jul 2026505 AMAQI
22nd Jul 2026426 AMAQI
22nd Jul 2026487 AMAQI
22nd Jul 2026478 AMAQI
22nd Jul 2026449 AMAQI
22nd Jul 20265010 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20263612 PMAQI
22nd Jul 2026291 PMAQI
22nd Jul 2026272 PMAQI
22nd Jul 2026403 PMAQI
22nd Jul 2026384 PMAQI
22nd Jul 2026325 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026297 PMAQI
22nd Jul 2026298 PMAQI
22nd Jul 2026279 PMAQI
22nd Jul 20263110 PMAQI
22nd Jul 20262711 PMAQI
23rd Jul 20262312 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026212 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026274 AMAQI

24°C21/27°C

23rd Jul 2026315 AMAQI
23rd Jul 2026316 AMAQI
23rd Jul 2026327 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026319 AMAQI
23rd Jul 20263610 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20264212 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026402 PMAQI
23rd Jul 2026333 PMAQI
23rd Jul 2026364 PMAQI
23rd Jul 2026445 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026427 PMAQI
23rd Jul 2026428 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20264010 PMAQI
23rd Jul 20264011 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026461 AMAQI
24th Jul 2026422 AMAQI
24th Jul 2026423 AMAQI
24th Jul 2026404 AMAQI

24°C21/28°C

24th Jul 2026385 AMAQI
24th Jul 2026336 AMAQI
24th Jul 2026367 AMAQI
24th Jul 2026318 AMAQI
24th Jul 2026319 AMAQI
24th Jul 20263310 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026421 PMAQI
24th Jul 2026422 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026384 PMAQI
24th Jul 2026365 PMAQI
24th Jul 2026366 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026338 PMAQI
24th Jul 2026319 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263311 PMAQI
25th Jul 20263412 AMAQI
25th Jul 2026361 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026313 AMAQI
25th Jul 2026314 AMAQI

25°C20/31°C

25th Jul 2026275 AMAQI
25th Jul 2026316 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20263412 PMAQI
25th Jul 2026291 PMAQI
25th Jul 2026312 PMAQI
25th Jul 2026273 PMAQI
25th Jul 2026234 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026337 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026319 PMAQI
25th Jul 20263110 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20263112 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026332 AMAQI
26th Jul 2026363 AMAQI
26th Jul 2026274 AMAQI

25°C21/31°C

26th Jul 2026295 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20263110 AMAQI
26th Jul 20263311 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026293 PMAQI
26th Jul 2026274 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026278 PMAQI
26th Jul 2026279 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026254 AMAQI

25°C21/30°C

27th Jul 2026235 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026217 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262311 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026276 PMAQI
27th Jul 2026297 PMAQI
27th Jul 2026278 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20263111 PMAQI
28th Jul 20263112 AMAQI
28th Jul 2026361 AMAQI
28th Jul 2026362 AMAQI
28th Jul 2026333 AMAQI
28th Jul 2026364 AMAQI

25°C22/32°C

28th Jul 2026385 AMAQI
28th Jul 2026426 AMAQI
28th Jul 2026447 AMAQI
28th Jul 2026428 AMAQI
28th Jul 2026509 AMAQI
28th Jul 20264810 AMAQI
28th Jul 20265011 AMAQI
28th Jul 20265112 PMAQI
28th Jul 2026531 PMAQI
28th Jul 2026542 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026595 PMAQI
28th Jul 2026566 PMAQI
28th Jul 2026667 PMAQI
28th Jul 2026688 PMAQI
28th Jul 2026719 PMAQI
28th Jul 20267110 PMAQI
28th Jul 20266511 PMAQI
29th Jul 20266912 AMAQI
29th Jul 2026701 AMAQI
29th Jul 2026742 AMAQI
29th Jul 2026713 AMAQI
29th Jul 2026784 AMAQI

25°C23/30°C

29th Jul 2026745 AMAQI
29th Jul 2026646 AMAQI
29th Jul 2026587 AMAQI
29th Jul 2026658 AMAQI
29th Jul 2026629 AMAQI
29th Jul 20265210 AMAQI
29th Jul 20263611 AMAQI
29th Jul 20265212 PMAQI
29th Jul 2026561 PMAQI
29th Jul 2026402 PMAQI
29th Jul 2026313 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026305 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026387 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20264212 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026262 AMAQI
30th Jul 2026283 AMAQI
30th Jul 2026364 AMAQI

26°C20/32°C

30th Jul 2026385 AMAQI
30th Jul 2026426 AMAQI
30th Jul 2026547 AMAQI
30th Jul 2026508 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20263110 AMAQI
30th Jul 20263111 AMAQI
30th Jul 20262912 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026312 PMAQI
30th Jul 2026463 PMAQI
30th Jul 2026464 PMAQI
30th Jul 2026485 PMAQI
30th Jul 2026536 PMAQI
30th Jul 2026487 PMAQI
30th Jul 2026488 PMAQI
30th Jul 2026539 PMAQI
30th Jul 20264610 PMAQI
30th Jul 20266211 PMAQI
31st Jul 20265812 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026362 AMAQI
31st Jul 2026403 AMAQI
31st Jul 2026404 AMAQI

25°C20/32°C

31st Jul 2026425 AMAQI
31st Jul 2026446 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20264810 AMAQI
31st Jul 20264811 AMAQI
31st Jul 20264812 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026622 PMAQI
31st Jul 2026593 PMAQI
31st Jul 2026544 PMAQI
31st Jul 2026505 PMAQI
31st Jul 2026516 PMAQI
31st Jul 2026547 PMAQI
31st Jul 2026528 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20265510 PMAQI
31st Jul 20265411 PMAQI
1st Aug 20265712 AMAQI
1st Aug 2026571 AMAQI
1st Aug 2026562 AMAQI
1st Aug 2026533 AMAQI
1st Aug 2026544 AMAQI

25°C19/33°C

1st Aug 2026555 AMAQI
1st Aug 2026566 AMAQI
1st Aug 2026627 AMAQI
1st Aug 2026638 AMAQI
1st Aug 2026719 AMAQI
1st Aug 20266910 AMAQI
1st Aug 20266911 AMAQI
1st Aug 20266812 PMAQI
1st Aug 2026681 PMAQI
1st Aug 2026682 PMAQI
1st Aug 2026633 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026635 PMAQI
1st Aug 2026626 PMAQI
1st Aug 2026607 PMAQI
1st Aug 2026638 PMAQI
1st Aug 2026599 PMAQI
1st Aug 20266210 PMAQI
1st Aug 20266511 PMAQI
2nd Aug 20266012 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026572 AMAQI
2nd Aug 2026593 AMAQI
2nd Aug 2026624 AMAQI

26°C23/32°C

2nd Aug 2026625 AMAQI
2nd Aug 2026626 AMAQI
2nd Aug 2026637 AMAQI
2nd Aug 2026608 AMAQI
2nd Aug 2026609 AMAQI
2nd Aug 20265710 AMAQI
2nd Aug 20265711 AMAQI
2nd Aug 20266012 PMAQI
2nd Aug 2026591 PMAQI
2nd Aug 2026582 PMAQI
2nd Aug 2026603 PMAQI
2nd Aug 2026564 PMAQI
2nd Aug 2026565 PMAQI
2nd Aug 2026546 PMAQI
2nd Aug 2026507 PMAQI
2nd Aug 2026558 PMAQI
2nd Aug 2026579 PMAQI
2nd Aug 20265510 PMAQI
2nd Aug 20265711 PMAQI
3rd Aug 20265512 AMAQI
3rd Aug 2026571 AMAQI
3rd Aug 2026502 AMAQI
3rd Aug 2026523 AMAQI
3rd Aug 2026524 AMAQI

27°C22/34°C

3rd Aug 2026515 AMAQI
3rd Aug 2026516 AMAQI
3rd Aug 2026537 AMAQI
3rd Aug 2026508 AMAQI
3rd Aug 2026499 AMAQI
3rd Aug 20265110 AMAQI
3rd Aug 20265111 AMAQI
3rd Aug 20265612 PMAQI
3rd Aug 2026441 PMAQI
3rd Aug 2026512 PMAQI
3rd Aug 2026513 PMAQI
3rd Aug 2026514 PMAQI
3rd Aug 2026505 PMAQI
3rd Aug 2026496 PMAQI
3rd Aug 2026507 PMAQI
3rd Aug 2026468 PMAQI
3rd Aug 2026469 PMAQI
3rd Aug 20264410 PMAQI
3rd Aug 20264211 PMAQI
4th Aug 20264812 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026422 AMAQI
4th Aug 2026423 AMAQI
4th Aug 2026464 AMAQI

28°C21/35°C

4th Aug 2026425 AMAQI
4th Aug 2026426 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026468 AMAQI
4th Aug 2026449 AMAQI
4th Aug 20264410 AMAQI
4th Aug 20264011 AMAQI
4th Aug 20263812 PMAQI
4th Aug 2026331 PMAQI
4th Aug 2026332 PMAQI
4th Aug 2026333 PMAQI
4th Aug 2026384 PMAQI
4th Aug 2026405 PMAQI
4th Aug 2026386 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026319 PMAQI
4th Aug 20263110 PMAQI
4th Aug 20262711 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026293 AMAQI
5th Aug 2026254 AMAQI

27°C22/35°C

5th Aug 2026295 AMAQI
5th Aug 2026276 AMAQI
5th Aug 2026257 AMAQI
5th Aug 2026278 AMAQI
5th Aug 2026299 AMAQI
5th Aug 20262910 AMAQI
5th Aug 20263611 AMAQI
5th Aug 20263312 PMAQI
5th Aug 2026361 PMAQI
5th Aug 2026402 PMAQI
5th Aug 2026333 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026335 PMAQI
5th Aug 2026386 PMAQI
5th Aug 2026367 PMAQI
5th Aug 2026388 PMAQI
5th Aug 2026339 PMAQI
5th Aug 20263310 PMAQI
5th Aug 20263811 PMAQI
6th Aug 20263112 AMAQI
6th Aug 2026331 AMAQI
6th Aug 2026312 AMAQI
6th Aug 2026313 AMAQI
6th Aug 2026254 AMAQI

27°C22/35°C

6th Aug 2026255 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026219 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026312 PMAQI
6th Aug 2026363 PMAQI
6th Aug 2026334 PMAQI
6th Aug 2026265 PMAQI
6th Aug 2026266 PMAQI
6th Aug 2026297 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026299 PMAQI
6th Aug 20262710 PMAQI
6th Aug 20262911 PMAQI
7th Aug 20262912 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026292 AMAQI
7th Aug 2026293 AMAQI
7th Aug 2026274 AMAQI

28°C21/36°C

7th Aug 2026295 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026257 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026259 AMAQI
7th Aug 20262110 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262512 PMAQI
7th Aug 2026521 PMAQI
7th Aug 2026312 PMAQI
7th Aug 2026323 PMAQI
7th Aug 2026384 PMAQI
7th Aug 2026365 PMAQI
7th Aug 2026426 PMAQI
7th Aug 2026427 PMAQI
7th Aug 2026428 PMAQI
7th Aug 2026429 PMAQI
7th Aug 20264010 PMAQI
7th Aug 20263811 PMAQI
8th Aug 20263612 AMAQI
8th Aug 2026381 AMAQI
8th Aug 2026402 AMAQI
8th Aug 2026403 AMAQI
8th Aug 2026384 AMAQI

28°C22/36°C

8th Aug 2026365 AMAQI
8th Aug 2026386 AMAQI
8th Aug 2026407 AMAQI
8th Aug 2026428 AMAQI
8th Aug 2026369 AMAQI
8th Aug 20263810 AMAQI
8th Aug 20263611 AMAQI
8th Aug 20263612 PMAQI
8th Aug 2026311 PMAQI
8th Aug 2026332 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026274 PMAQI
8th Aug 2026295 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026257 PMAQI
8th Aug 2026238 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20262310 PMAQI
8th Aug 20262511 PMAQI
9th Aug 20262112 AMAQI
9th Aug 2026211 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026213 AMAQI
9th Aug 2026214 AMAQI

25°C19/33°C

9th Aug 2026215 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026278 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262910 AMAQI
9th Aug 20263011 AMAQI
9th Aug 20262312 PMAQI
9th Aug 2026311 PMAQI
9th Aug 2026332 PMAQI
9th Aug 2026333 PMAQI
9th Aug 2026294 PMAQI
9th Aug 2026465 PMAQI
9th Aug 2026366 PMAQI
9th Aug 2026277 PMAQI
9th Aug 2026338 PMAQI
9th Aug 2026369 PMAQI
9th Aug 20263410 PMAQI
9th Aug 20263111 PMAQI
10th Aug 20263312 AMAQI
10th Aug 2026331 AMAQI
10th Aug 2026292 AMAQI
10th Aug 2026363 AMAQI
10th Aug 2026364 AMAQI

23°C18/29°C

10th Aug 2026295 AMAQI
10th Aug 2026386 AMAQI
10th Aug 2026387 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262910 AMAQI
10th Aug 20262911 AMAQI
10th Aug 20263312 PMAQI
10th Aug 2026381 PMAQI
10th Aug 2026322 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026294 PMAQI
10th Aug 2026315 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026307 PMAQI
10th Aug 2026218 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026254 AMAQI

24°C18/30°C

11th Aug 2026255 AMAQI
11th Aug 2026296 AMAQI
11th Aug 2026257 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262510 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026234 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026256 PMAQI
11th Aug 2026277 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026214 AMAQI

22°C16/32°C

12th Aug 2026255 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026237 AMAQI
12th Aug 2026258 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262711 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026234 PMAQI
12th Aug 2026325 PMAQI
12th Aug 2026366 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026278 PMAQI
12th Aug 2026279 PMAQI
12th Aug 20262710 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026291 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026303 AMAQI
13th Aug 2026344 AMAQI

21°C13/28°C

13th Aug 2026335 AMAQI
13th Aug 2026316 AMAQI
13th Aug 2026317 AMAQI
13th Aug 2026298 AMAQI
13th Aug 2026339 AMAQI
13th Aug 20262910 AMAQI
13th Aug 20262911 AMAQI
13th Aug 20262712 PMAQI
13th Aug 2026251 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026213 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026216 PMAQI
13th Aug 2026217 PMAQI
13th Aug 2026218 PMAQI
13th Aug 2026299 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262111 PMAQI
14th Aug 20262112 AMAQI
14th Aug 2026251 AMAQI
14th Aug 2026252 AMAQI
14th Aug 2026213 AMAQI
14th Aug 2026334 AMAQI

23°C17/28°C

14th Aug 2026295 AMAQI
5 AM
14th Aug 2026296 AMAQI
14th Aug 2026387 AMAQI
14th Aug 2026368 AMAQI
14th Aug 2026319 AMAQI
14th Aug 20264810 AMAQI
14th Aug 20263411 AMAQI
14th Aug 20262512 PMAQI
12 PM
14th Aug 2026461 PMAQI
14th Aug 2026442 PMAQI
14th Aug 2026313 PMAQI
14th Aug 2026234 PMAQI
14th Aug 2026255 PMAQI
14th Aug 2026256 PMAQI
14th Aug 2026297 PMAQI
7 PM
14th Aug 2026298 PMAQI
14th Aug 2026219 PMAQI
14th Aug 20262510 PMAQI
14th Aug 20262911 PMAQI
12 AM
4 AM

23°C18/29°C

Day time
Avg. Highest Time
10 AM - 7 PM

39AQI

10 hours / Day
300 hours / Month
Avg. Lowest Time
6 AM - 9 AM

38AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 7 PM (Avg. 39), while the lowest AQI was between 6 AM to 9 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM

38AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
2 AM - 11 PM

38AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 38), while the lowest AQI was between 2 AM to 11 PM (Avg. 38).

2026 Days Vs Air Quality

Chiaksan, Wonju, Gangwon, South Korea

2026

56%

125

38%

85

5%

12

Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)

Good
125 Days
Moderate
85 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 226 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

Chiaksan, Wonju, Gangwon, 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
31AQI (US)
2nd January 2026
32AQI (US)
3rd January 2026
72AQI (US)
4th January 2026
89AQI (US)
5th January 2026
68AQI (US)
6th January 2026
47AQI (US)
7th January 2026
60AQI (US)
8th January 2026
29AQI (US)
9th January 2026
45AQI (US)
10th January 2026
57AQI (US)
11th January 2026
32AQI (US)
12th January 2026
30AQI (US)
13th January 2026
45AQI (US)
14th January 2026
27AQI (US)
15th January 2026
91AQI (US)
16th January 2026
125AQI (US)
17th January 2026
96AQI (US)
18th January 2026
74AQI (US)
19th January 2026
64AQI (US)
20th January 2026
31AQI (US)
21st January 2026
38AQI (US)
22nd January 2026
33AQI (US)
23rd January 2026
63AQI (US)
24th January 2026
52AQI (US)
25th January 2026
23AQI (US)
26th January 2026
50AQI (US)
27th January 2026
64AQI (US)
28th January 2026
37AQI (US)
29th January 2026
36AQI (US)
30th January 2026
52AQI (US)
31st January 2026
56AQI (US)
1st February 2026
62AQI (US)
2nd February 2026
65AQI (US)
3rd February 2026
68AQI (US)
4th February 2026
106AQI (US)
5th February 2026
135AQI (US)
6th February 2026
74AQI (US)
7th February 2026
42AQI (US)
8th February 2026
36AQI (US)
9th February 2026
51AQI (US)
10th February 2026
77AQI (US)
11th February 2026
101AQI (US)
12th February 2026
123AQI (US)
13th February 2026
134AQI (US)
14th February 2026
145AQI (US)
15th February 2026
108AQI (US)
16th February 2026
57AQI (US)
17th February 2026
47AQI (US)
18th February 2026
60AQI (US)
19th February 2026
45AQI (US)
20th February 2026
82AQI (US)
21st February 2026
96AQI (US)
22nd February 2026
61AQI (US)
23rd February 2026
26AQI (US)
24th February 2026
39AQI (US)
25th February 2026
42AQI (US)
26th February 2026
33AQI (US)
27th February 2026
28AQI (US)
28th February 2026
33AQI (US)
1st March 2026
45AQI (US)
2nd March 2026
17AQI (US)
3rd March 2026
35AQI (US)
4th March 2026
80AQI (US)
5th March 2026
61AQI (US)
6th March 2026
62AQI (US)
7th March 2026
67AQI (US)
8th March 2026
54AQI (US)
9th March 2026
83AQI (US)
10th March 2026
107AQI (US)
11th March 2026
81AQI (US)
12th March 2026
62AQI (US)
13th March 2026
40AQI (US)
14th March 2026
42AQI (US)
15th March 2026
88AQI (US)
16th March 2026
98AQI (US)
17th March 2026
110AQI (US)
18th March 2026
91AQI (US)
19th March 2026
67AQI (US)
20th March 2026
69AQI (US)
21st March 2026
82AQI (US)
22nd March 2026
74AQI (US)
23rd March 2026
74AQI (US)
24th March 2026
82AQI (US)
25th March 2026
88AQI (US)
26th March 2026
100AQI (US)
27th March 2026
119AQI (US)
28th March 2026
114AQI (US)
29th March 2026
87AQI (US)
30th March 2026
74AQI (US)
31st March 2026
42AQI (US)
1st April 2026
42AQI (US)
2nd April 2026
77AQI (US)
3rd April 2026
95AQI (US)
4th April 2026
65AQI (US)
5th April 2026
58AQI (US)
6th April 2026
47AQI (US)
7th April 2026
28AQI (US)
8th April 2026
40AQI (US)
9th April 2026
56AQI (US)
10th April 2026
34AQI (US)
11th April 2026
68AQI (US)
12th April 2026
54AQI (US)
13th April 2026
45AQI (US)
14th April 2026
46AQI (US)
15th April 2026
49AQI (US)
16th April 2026
36AQI (US)
17th April 2026
18th April 2026
54AQI (US)
19th April 2026
55AQI (US)
20th April 2026
59AQI (US)
21st April 2026
62AQI (US)
22nd April 2026
23rd April 2026
46AQI (US)
24th April 2026
35AQI (US)
25th April 2026
50AQI (US)
26th April 2026
40AQI (US)
27th April 2026
47AQI (US)
28th April 2026
57AQI (US)
29th April 2026
35AQI (US)
30th April 2026
45AQI (US)
1st May 2026
55AQI (US)
2nd May 2026
97AQI (US)
3rd May 2026
53AQI (US)
4th May 2026
35AQI (US)
5th May 2026
30AQI (US)
6th May 2026
47AQI (US)
7th May 2026
58AQI (US)
8th May 2026
36AQI (US)
9th May 2026
10th May 2026
42AQI (US)
11th May 2026
40AQI (US)
12th May 2026
47AQI (US)
13th May 2026
47AQI (US)
14th May 2026
46AQI (US)
15th May 2026
40AQI (US)
16th May 2026
77AQI (US)
17th May 2026
66AQI (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
71AQI (US)
24th May 2026
70AQI (US)
25th May 2026
65AQI (US)
26th May 2026
48AQI (US)
27th May 2026
29AQI (US)
28th May 2026
28AQI (US)
29th May 2026
52AQI (US)
30th May 2026
46AQI (US)
31st May 2026
40AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
56AQI (US)
3rd June 2026
64AQI (US)
4th June 2026
56AQI (US)
5th June 2026
34AQI (US)
6th June 2026
28AQI (US)
7th June 2026
23AQI (US)
8th June 2026
31AQI (US)
9th June 2026
48AQI (US)
10th June 2026
42AQI (US)
11th June 2026
61AQI (US)
12th June 2026
51AQI (US)
13th June 2026
40AQI (US)
14th June 2026
26AQI (US)
15th June 2026
26AQI (US)
16th June 2026
48AQI (US)
17th June 2026
39AQI (US)
18th June 2026
46AQI (US)
19th June 2026
65AQI (US)
20th June 2026
27AQI (US)
21st June 2026
19AQI (US)
22nd June 2026
21AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
22AQI (US)
25th June 2026
28AQI (US)
26th June 2026
28AQI (US)
27th June 2026
29AQI (US)
28th June 2026
32AQI (US)
29th June 2026
53AQI (US)
30th June 2026
30AQI (US)
1st July 2026
33AQI (US)
2nd July 2026
38AQI (US)
3rd July 2026
34AQI (US)
4th July 2026
32AQI (US)
5th July 2026
50AQI (US)
6th July 2026
26AQI (US)
7th July 2026
27AQI (US)
8th July 2026
26AQI (US)
9th July 2026
25AQI (US)
10th July 2026
29AQI (US)
11th July 2026
30AQI (US)
12th July 2026
44AQI (US)
13th July 2026
28AQI (US)
14th July 2026
25AQI (US)
15th July 2026
21AQI (US)
16th July 2026
56AQI (US)
17th July 2026
79AQI (US)
18th July 2026
39AQI (US)
19th July 2026
26AQI (US)
20th July 2026
35AQI (US)
21st July 2026
35AQI (US)
22nd July 2026
37AQI (US)
23rd July 2026
34AQI (US)
24th July 2026
37AQI (US)
25th July 2026
31AQI (US)
26th July 2026
29AQI (US)
27th July 2026
26AQI (US)
28th July 2026
50AQI (US)
29th July 2026
52AQI (US)
30th July 2026
42AQI (US)
31st July 2026
49AQI (US)
1st August 2026
62AQI (US)
2nd August 2026
58AQI (US)
3rd August 2026
50AQI (US)
4th August 2026
39AQI (US)
5th August 2026
31AQI (US)
6th August 2026
27AQI (US)
7th August 2026
32AQI (US)
8th August 2026
33AQI (US)
9th August 2026
28AQI (US)
10th August 2026
30AQI (US)
11th August 2026
25AQI (US)
12th August 2026
26AQI (US)
13th August 2026
26AQI (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

53AQI (US)

71AQI (US)

74AQI (US)

51AQI (US)

53AQI (US)

38AQI (US)

36AQI (US)

36AQI (US)

No. of days

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

202652AQI (US)

16
14
1
10
11
7
6
21
4
16
12
15
15
23
7
28
3
11
2
125
85
12

Highest AQI (US) recorded in

March

74AQI (US)

Lowest AQI (US) recorded in

August

36AQI (US)

202562AQI (US)

1
24
6
27
1
2
23
6
2
28
7
24
5
25
16
15
15
16
24
6
12
19
7
21
2
12
17
2
103
245
17

Highest AQI (US) recorded in

January

82AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202458AQI (US)

7
19
5
16
10
3
6
20
5
4
22
4
11
20
8
22
25
5
1
19
12
22
7
20
11
10
20
31
148
199
18

Highest AQI (US) recorded in

January

75AQI (US)

Lowest AQI (US) recorded in

July

41AQI (US)

202364AQI (US)

6
19
3
2
4
16
8
4
16
9
2
6
21
3
8
22
1
15
14
1
26
5
14
1
3
8
1
9
17
3
11
15
5
106
154
34
4

Highest AQI (US) recorded in

February

87AQI (US)

Lowest AQI (US) recorded in

August

31AQI (US)

202273AQI (US)

19
9
2
13
6
2
2
19
10
1
13
3
2
20
5
8
20
1
4
17
1
22
7
20
10
1
5
23
2
7
18
6
72
179
43
4

Highest AQI (US) recorded in

January

101AQI (US)

Lowest AQI (US) recorded in

August

18AQI (US)

202165AQI (US)

4
20
5
1
20
7
3
17
10
1
6
21
3
8
20
1
1
1
6
24
20
10
22
9
26
4
12
17
2
4
19
6
1
2
21
8
114
202
42
3
1

Highest AQI (US) recorded in

March

87AQI (US)

Lowest AQI (US) recorded in

September

34AQI (US)

202064AQI (US)

3
8
2
4
13
4
4
14
3
23
4
22
9
26
5
18
10
4
25
2
2
21
5
20
9
2
86
148
26
2

Highest AQI (US) recorded in

December

91AQI (US)

Lowest AQI (US) recorded in

August

39AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
73AQI (US)
Least Polluted Year Recorded
2026(Avg.)
52AQI (US)

Chiaksan's annual 2026 AQI (US) (52) shows an average percentage change of -18.7% (improved AQI (US)) compared to previous years: 2020 (64), 2021 (65), 2022 (73), 2023 (64), 2024 (58), 2025 (62).