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

2021
2022
2023
2024
2025
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 (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Aug - 6th Aug 2025

Chiaksan, Wonju, Gangwon, South Korea

AQI
Day
Night
.

5 AM5th Aug 2025

7 PM

4 AM6th Aug 2025

Day time
Avg. Highest Time
12PM5th Aug

58AQI

Avg. Lowest Time
4PM5th Aug

44AQI

Night time
Avg. Highest Time
1AM6th Aug

55AQI

Avg. Lowest Time
11PM5th Aug

45AQI

In the last 24 hours,

Chiaksan's AQI reached its highest point of 58 at 12 PM during the Day, while the lowest point, 44, was recorded at 4 PM during the Day between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Chiaksan, Wonju, Gangwon, South Korea

JulAug
07th - 08th08th - 09th09th - 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
Day
Night
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025609 AMAQI
7th Jul 20257110 AMAQI
7th Jul 20257311 AMAQI
7th Jul 20257412 PMAQI
7th Jul 2025741 PMAQI
7th Jul 2025762 PMAQI
7th Jul 2025793 PMAQI
7th Jul 2025764 PMAQI
7th Jul 2025765 PMAQI
7th Jul 2025806 PMAQI
7th Jul 2025817 PMAQI
7th Jul 2025768 PMAQI
7th Jul 2025699 PMAQI
7th Jul 20256410 PMAQI
7th Jul 20256811 PMAQI
8th Jul 20256712 AMAQI
8th Jul 2025661 AMAQI
8th Jul 2025612 AMAQI
8th Jul 2025543 AMAQI
8th Jul 2025554 AMAQI

26°C20/35°C

8th Jul 2025575 AMAQI
8th Jul 2025576 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025578 AMAQI
8th Jul 2025749 AMAQI
8th Jul 20258110 AMAQI
8th Jul 20257711 AMAQI
8th Jul 20257412 PMAQI
8th Jul 2025721 PMAQI
8th Jul 2025752 PMAQI
8th Jul 2025753 PMAQI
8th Jul 2025744 PMAQI
8th Jul 2025765 PMAQI
8th Jul 2025746 PMAQI
8th Jul 2025747 PMAQI
8th Jul 2025718 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20256310 PMAQI
8th Jul 20256311 PMAQI
9th Jul 20256212 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI
9th Jul 2025604 AMAQI

26°C20/35°C

9th Jul 2025615 AMAQI
9th Jul 2025616 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025618 AMAQI
9th Jul 2025679 AMAQI
9th Jul 20257110 AMAQI
9th Jul 20256411 AMAQI
9th Jul 20256112 PMAQI
9th Jul 2025701 PMAQI
9th Jul 2025652 PMAQI
9th Jul 2025623 PMAQI
9th Jul 2025634 PMAQI
9th Jul 2025645 PMAQI
9th Jul 2025626 PMAQI
9th Jul 2025647 PMAQI
9th Jul 2025608 PMAQI
9th Jul 2025609 PMAQI
9th Jul 20256110 PMAQI
9th Jul 20256011 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025611 AMAQI
10th Jul 2025612 AMAQI
10th Jul 2025613 AMAQI
10th Jul 2025604 AMAQI

26°C19/34°C

10th Jul 2025615 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025617 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025599 AMAQI
10th Jul 20255610 AMAQI
10th Jul 20254911 AMAQI
10th Jul 20254812 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025552 PMAQI
10th Jul 2025533 PMAQI
10th Jul 2025554 PMAQI
10th Jul 2025545 PMAQI
10th Jul 2025546 PMAQI
10th Jul 2025457 PMAQI
10th Jul 2025538 PMAQI
10th Jul 2025539 PMAQI
10th Jul 20255410 PMAQI
10th Jul 20255311 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025561 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025573 AMAQI
11th Jul 2025584 AMAQI

24°C18/34°C

11th Jul 2025575 AMAQI
11th Jul 2025566 AMAQI
11th Jul 2025587 AMAQI
11th Jul 2025588 AMAQI
11th Jul 2025549 AMAQI
11th Jul 20255310 AMAQI
11th Jul 20255611 AMAQI
11th Jul 20255212 PMAQI
11th Jul 2025551 PMAQI
11th Jul 2025562 PMAQI
11th Jul 2025563 PMAQI
11th Jul 2025484 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025436 PMAQI
11th Jul 2025457 PMAQI
11th Jul 2025498 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025563 AMAQI
12th Jul 2025564 AMAQI

23°C15/33°C

12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025569 AMAQI
12th Jul 20255610 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025451 PMAQI
12th Jul 2025402 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025384 PMAQI
12th Jul 2025405 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025477 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025539 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025544 AMAQI

24°C14/34°C

13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025509 AMAQI
13th Jul 20254910 AMAQI
13th Jul 20254511 AMAQI
13th Jul 20255812 PMAQI
13th Jul 2025581 PMAQI
13th Jul 2025572 PMAQI
13th Jul 2025593 PMAQI
13th Jul 2025574 PMAQI
13th Jul 2025595 PMAQI
13th Jul 2025606 PMAQI
13th Jul 2025577 PMAQI
13th Jul 2025528 PMAQI
13th Jul 2025539 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255311 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI

22°C18/28°C

14th Jul 2025545 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025359 AMAQI
14th Jul 20252910 AMAQI
14th Jul 20254511 AMAQI
14th Jul 20254912 PMAQI
14th Jul 2025471 PMAQI
14th Jul 2025432 PMAQI
14th Jul 2025423 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025365 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025398 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254411 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025541 AMAQI
15th Jul 2025542 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025534 AMAQI

19°C16/24°C

15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20252310 AMAQI
15th Jul 20252011 AMAQI
15th Jul 20252012 PMAQI
15th Jul 2025271 PMAQI
15th Jul 2025252 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025254 PMAQI
15th Jul 2025265 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025328 PMAQI
15th Jul 2025449 PMAQI
15th Jul 20254410 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254412 AMAQI
16th Jul 2025511 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025523 AMAQI
16th Jul 2025524 AMAQI

19°C16/23°C

16th Jul 2025495 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025498 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20255210 AMAQI
16th Jul 20255411 AMAQI
16th Jul 20255412 PMAQI
16th Jul 2025581 PMAQI
16th Jul 2025602 PMAQI
16th Jul 2025563 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025555 PMAQI
16th Jul 2025576 PMAQI
16th Jul 2025547 PMAQI
16th Jul 2025398 PMAQI
16th Jul 2025469 PMAQI
16th Jul 20254510 PMAQI
16th Jul 20254311 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025524 AMAQI

19°C16/22°C

17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20252310 AMAQI
17th Jul 20252111 AMAQI
17th Jul 20252012 PMAQI
17th Jul 2025221 PMAQI
17th Jul 2025222 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025244 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025227 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254610 PMAQI
17th Jul 20254711 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025504 AMAQI

20°C18/23°C

18th Jul 2025485 AMAQI
18th Jul 2025476 AMAQI
18th Jul 2025477 AMAQI
18th Jul 2025478 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20252910 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025354 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025296 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254210 PMAQI
18th Jul 20254311 PMAQI
19th Jul 20254212 AMAQI
19th Jul 2025451 AMAQI
19th Jul 2025482 AMAQI
19th Jul 2025483 AMAQI
19th Jul 2025474 AMAQI

21°C18/29°C

19th Jul 2025455 AMAQI
19th Jul 2025456 AMAQI
19th Jul 2025447 AMAQI
19th Jul 2025458 AMAQI
19th Jul 2025219 AMAQI
19th Jul 20251410 AMAQI
19th Jul 20251411 AMAQI
19th Jul 20251812 PMAQI
19th Jul 2025221 PMAQI
19th Jul 2025222 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025205 PMAQI
19th Jul 2025176 PMAQI
19th Jul 2025177 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025359 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025462 AMAQI
20th Jul 2025463 AMAQI
20th Jul 2025444 AMAQI

22°C19/26°C

20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252912 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025324 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025357 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025409 PMAQI
20th Jul 20254210 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025423 AMAQI
21st Jul 2025424 AMAQI

24°C19/30°C

21st Jul 2025405 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025408 AMAQI
21st Jul 2025359 AMAQI
21st Jul 20254810 AMAQI
21st Jul 20254911 AMAQI
21st Jul 20255012 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025462 PMAQI
21st Jul 2025423 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025397 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025423 AMAQI
22nd Jul 2025434 AMAQI

24°C20/29°C

22nd Jul 2025445 AMAQI
22nd Jul 2025446 AMAQI
22nd Jul 2025447 AMAQI
22nd Jul 2025438 AMAQI
22nd Jul 2025299 AMAQI
22nd Jul 20252610 AMAQI
22nd Jul 20252811 AMAQI
22nd Jul 20252812 PMAQI
22nd Jul 2025331 PMAQI
22nd Jul 2025342 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025475 PMAQI
22nd Jul 2025436 PMAQI
22nd Jul 2025427 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254410 PMAQI
22nd Jul 20254411 PMAQI
23rd Jul 20254712 AMAQI
23rd Jul 2025461 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025424 AMAQI

24°C19/29°C

23rd Jul 2025415 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025417 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025389 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20253612 PMAQI
23rd Jul 2025431 PMAQI
23rd Jul 2025382 PMAQI
23rd Jul 2025393 PMAQI
23rd Jul 2025434 PMAQI
23rd Jul 2025545 PMAQI
23rd Jul 2025526 PMAQI
23rd Jul 2025527 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025469 PMAQI
23rd Jul 20255310 PMAQI
23rd Jul 20255311 PMAQI
24th Jul 20254812 AMAQI
24th Jul 2025431 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025444 AMAQI

25°C19/31°C

24th Jul 2025435 AMAQI
24th Jul 2025436 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025448 AMAQI
24th Jul 2025439 AMAQI
24th Jul 20254810 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255412 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025582 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025614 PMAQI
24th Jul 2025615 PMAQI
24th Jul 2025596 PMAQI
24th Jul 2025637 PMAQI
24th Jul 2025608 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20255711 PMAQI
25th Jul 20255612 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025464 AMAQI

26°C19/34°C

25th Jul 2025475 AMAQI
25th Jul 2025476 AMAQI
25th Jul 2025467 AMAQI
25th Jul 2025478 AMAQI
25th Jul 2025549 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20256211 AMAQI
25th Jul 20256412 PMAQI
25th Jul 2025641 PMAQI
25th Jul 2025582 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025574 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025536 PMAQI
25th Jul 2025517 PMAQI
25th Jul 2025548 PMAQI
25th Jul 2025559 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255611 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025511 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025513 AMAQI
26th Jul 2025524 AMAQI

27°C20/36°C

26th Jul 2025525 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025527 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025379 AMAQI
26th Jul 20253610 AMAQI
26th Jul 20253611 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025401 PMAQI
26th Jul 2025292 PMAQI
26th Jul 2025323 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025365 PMAQI
26th Jul 2025356 PMAQI
26th Jul 2025507 PMAQI
26th Jul 2025538 PMAQI
26th Jul 2025519 PMAQI
26th Jul 20255110 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20254612 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025514 AMAQI

27°C20/36°C

27th Jul 2025515 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025508 AMAQI
27th Jul 2025449 AMAQI
27th Jul 20253810 AMAQI
27th Jul 20254111 AMAQI
27th Jul 20253312 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025323 PMAQI
27th Jul 2025324 PMAQI
27th Jul 2025355 PMAQI
27th Jul 2025396 PMAQI
27th Jul 2025467 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025469 PMAQI
27th Jul 20254410 PMAQI
27th Jul 20254411 PMAQI
28th Jul 20254412 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025502 AMAQI
28th Jul 2025503 AMAQI
28th Jul 2025484 AMAQI

28°C21/36°C

28th Jul 2025485 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025487 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025459 AMAQI
28th Jul 20255510 AMAQI
28th Jul 20254911 AMAQI
28th Jul 20254812 PMAQI
28th Jul 2025451 PMAQI
28th Jul 2025502 PMAQI
28th Jul 2025563 PMAQI
28th Jul 2025484 PMAQI
28th Jul 2025435 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025497 PMAQI
28th Jul 2025548 PMAQI
28th Jul 2025539 PMAQI
28th Jul 20255410 PMAQI
28th Jul 20255711 PMAQI
29th Jul 20255612 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025492 AMAQI
29th Jul 2025493 AMAQI
29th Jul 2025484 AMAQI

27°C21/35°C

29th Jul 2025485 AMAQI
29th Jul 2025486 AMAQI
29th Jul 2025507 AMAQI
29th Jul 2025498 AMAQI
29th Jul 2025589 AMAQI
29th Jul 20256010 AMAQI
29th Jul 20256511 AMAQI
29th Jul 20256112 PMAQI
29th Jul 2025631 PMAQI
29th Jul 2025622 PMAQI
29th Jul 2025623 PMAQI
29th Jul 2025604 PMAQI
29th Jul 2025595 PMAQI
29th Jul 2025616 PMAQI
29th Jul 2025587 PMAQI
29th Jul 2025578 PMAQI
29th Jul 2025599 PMAQI
29th Jul 20255710 PMAQI
29th Jul 20255711 PMAQI
30th Jul 20255512 AMAQI
30th Jul 2025511 AMAQI
30th Jul 2025522 AMAQI
30th Jul 2025523 AMAQI
30th Jul 2025524 AMAQI

28°C21/36°C

30th Jul 2025535 AMAQI
30th Jul 2025536 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025549 AMAQI
30th Jul 20256010 AMAQI
30th Jul 20256011 AMAQI
30th Jul 20256212 PMAQI
30th Jul 2025581 PMAQI
30th Jul 2025582 PMAQI
30th Jul 2025613 PMAQI
30th Jul 2025574 PMAQI
30th Jul 2025545 PMAQI
30th Jul 2025526 PMAQI
30th Jul 2025537 PMAQI
30th Jul 2025508 PMAQI
30th Jul 2025549 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI

27°C21/35°C

31st Jul 2025525 AMAQI
31st Jul 2025526 AMAQI
31st Jul 2025527 AMAQI
31st Jul 2025528 AMAQI
31st Jul 2025529 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255511 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025485 PMAQI
31st Jul 2025456 PMAQI
31st Jul 2025567 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025619 PMAQI
31st Jul 20255610 PMAQI
31st Jul 20255811 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025534 AMAQI

27°C20/34°C

1st Aug 2025545 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20256510 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025543 PMAQI
1st Aug 2025594 PMAQI
1st Aug 2025645 PMAQI
1st Aug 2025566 PMAQI
1st Aug 2025547 PMAQI
1st Aug 2025558 PMAQI
1st Aug 2025629 PMAQI
1st Aug 20256310 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025544 AMAQI

27°C20/35°C

2nd Aug 2025555 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025558 AMAQI
2nd Aug 2025709 AMAQI
2nd Aug 20256810 AMAQI
2nd Aug 20256711 AMAQI
2nd Aug 20257112 PMAQI
2nd Aug 2025701 PMAQI
2nd Aug 2025642 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025685 PMAQI
2nd Aug 2025656 PMAQI
2nd Aug 2025637 PMAQI
2nd Aug 2025628 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20255612 AMAQI
3rd Aug 2025571 AMAQI
3rd Aug 2025582 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025564 AMAQI

27°C21/33°C

3rd Aug 2025585 AMAQI
3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20257310 AMAQI
3rd Aug 20257711 AMAQI
3rd Aug 20257912 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025702 PMAQI
3rd Aug 2025733 PMAQI
3rd Aug 2025694 PMAQI
3rd Aug 2025685 PMAQI
3rd Aug 2025676 PMAQI
3rd Aug 2025687 PMAQI
3rd Aug 2025628 PMAQI
3rd Aug 2025609 PMAQI
3rd Aug 20255910 PMAQI
3rd Aug 20255711 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025561 AMAQI
4th Aug 2025582 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025584 AMAQI

24°C20/28°C

4th Aug 2025585 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025479 AMAQI
4th Aug 20255010 AMAQI
4th Aug 20255611 AMAQI
4th Aug 20255012 PMAQI
4th Aug 2025501 PMAQI
4th Aug 2025492 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025504 PMAQI
4th Aug 2025565 PMAQI
4th Aug 2025646 PMAQI
4th Aug 2025537 PMAQI
4th Aug 2025608 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255710 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255712 AMAQI
5th Aug 2025561 AMAQI
5th Aug 2025582 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025574 AMAQI

23°C18/30°C

5th Aug 2025565 AMAQI
5th Aug 2025546 AMAQI
5th Aug 2025547 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025549 AMAQI
5th Aug 20255710 AMAQI
5th Aug 20255511 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025512 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025486 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025518 PMAQI
5th Aug 2025529 PMAQI
5th Aug 20255410 PMAQI
5th Aug 20254511 PMAQI
6th Aug 20255212 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI

25°C20/32°C

6th Aug 2025555 AMAQI
5 AM
6th Aug 2025556 AMAQI
6th Aug 2025547 AMAQI
6th Aug 2025548 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20252710 AMAQI
6th Aug 20253211 AMAQI
6th Aug 20253412 PMAQI
12 PM
6th Aug 2025241 PMAQI
6th Aug 2025382 PMAQI
6th Aug 2025373 PMAQI
6th Aug 2025384 PMAQI
6th Aug 2025275 PMAQI
6th Aug 2025266 PMAQI
6th Aug 2025307 PMAQI
7 PM
6th Aug 2025418 PMAQI
6th Aug 2025479 PMAQI
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 AM

52AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
9 AM - 7 PM

48AQI

11 hours / Day
330 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 AM (Avg. 52), while the lowest AQI was between 9 AM to 7 PM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 11 PM

52AQI

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

52AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 52), while the lowest AQI was between 12 AM to 11 PM (Avg. 52).

2025 Days Vs Air Quality

Chiaksan, Wonju, Gangwon, South Korea

2025

15%

33

79%

171

6%

13

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
33 Days
Moderate
171 Days
Poor
13 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 15%

Health Risk Level:

Extreme

In 2025, 15% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Extreme, potentially causing respiratory problems, heart disease, skin issues, and stress, especially for children, the elderly, and those with pre-existing conditions.

Annual Air Quality Insights

Chiaksan, Wonju, Gangwon, South Korea

AQI levels in 2025

AQI
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.

1st January 2025
76AQI
2nd January 2025
74AQI
3rd January 2025
60AQI
4th January 2025
64AQI
5th January 2025
73AQI
6th January 2025
97AQI
7th January 2025
63AQI
8th January 2025
75AQI
9th January 2025
49AQI
10th January 2025
67AQI
11th January 2025
69AQI
12th January 2025
83AQI
13th January 2025
98AQI
14th January 2025
104AQI
15th January 2025
67AQI
16th January 2025
78AQI
17th January 2025
91AQI
18th January 2025
87AQI
19th January 2025
81AQI
20th January 2025
115AQI
21st January 2025
133AQI
22nd January 2025
137AQI
23rd January 2025
119AQI
24th January 2025
108AQI
25th January 2025
70AQI
26th January 2025
64AQI
27th January 2025
70AQI
28th January 2025
65AQI
29th January 2025
67AQI
30th January 2025
62AQI
31st January 2025
84AQI
1st February 2025
78AQI
2nd February 2025
76AQI
3rd February 2025
65AQI
4th February 2025
59AQI
5th February 2025
52AQI
6th February 2025
56AQI
7th February 2025
59AQI
8th February 2025
59AQI
9th February 2025
65AQI
10th February 2025
72AQI
11th February 2025
84AQI
12th February 2025
77AQI
13th February 2025
61AQI
14th February 2025
90AQI
15th February 2025
60AQI
16th February 2025
117AQI
17th February 2025
56AQI
18th February 2025
69AQI
19th February 2025
54AQI
20th February 2025
61AQI
21st February 2025
60AQI
22nd February 2025
62AQI
23rd February 2025
64AQI
24th February 2025
66AQI
25th February 2025
66AQI
26th February 2025
88AQI
27th February 2025
68AQI
28th February 2025
80AQI
1st March 2025
88AQI
2nd March 2025
70AQI
3rd March 2025
54AQI
4th March 2025
48AQI
5th March 2025
43AQI
6th March 2025
52AQI
7th March 2025
75AQI
8th March 2025
74AQI
9th March 2025
80AQI
10th March 2025
91AQI
11th March 2025
95AQI
12th March 2025
96AQI
13th March 2025
76AQI
14th March 2025
73AQI
15th March 2025
55AQI
16th March 2025
66AQI
17th March 2025
65AQI
18th March 2025
60AQI
19th March 2025
77AQI
20th March 2025
86AQI
21st March 2025
102AQI
22nd March 2025
103AQI
23rd March 2025
107AQI
24th March 2025
109AQI
25th March 2025
126AQI
26th March 2025
89AQI
27th March 2025
105AQI
28th March 2025
88AQI
29th March 2025
64AQI
30th March 2025
63AQI
31st March 2025
69AQI
1st April 2025
71AQI
2nd April 2025
75AQI
3rd April 2025
75AQI
4th April 2025
85AQI
5th April 2025
67AQI
6th April 2025
74AQI
7th April 2025
74AQI
8th April 2025
87AQI
9th April 2025
77AQI
10th April 2025
78AQI
11th April 2025
71AQI
12th April 2025
66AQI
13th April 2025
64AQI
14th April 2025
59AQI
15th April 2025
59AQI
16th April 2025
68AQI
17th April 2025
66AQI
18th April 2025
83AQI
19th April 2025
61AQI
20th April 2025
63AQI
21st April 2025
51AQI
22nd April 2025
44AQI
23rd April 2025
35AQI
24th April 2025
57AQI
25th April 2025
68AQI
26th April 2025
62AQI
27th April 2025
58AQI
28th April 2025
60AQI
29th April 2025
69AQI
30th April 2025
62AQI
1st May 2025
55AQI
2nd May 2025
54AQI
3rd May 2025
50AQI
4th May 2025
54AQI
5th May 2025
52AQI
6th May 2025
45AQI
7th May 2025
55AQI
8th May 2025
70AQI
9th May 2025
48AQI
10th May 2025
44AQI
11th May 2025
63AQI
12th May 2025
70AQI
13th May 2025
71AQI
14th May 2025
71AQI
15th May 2025
66AQI
16th May 2025
51AQI
17th May 2025
44AQI
18th May 2025
59AQI
19th May 2025
61AQI
20th May 2025
57AQI
21st May 2025
49AQI
22nd May 2025
54AQI
23rd May 2025
64AQI
24th May 2025
46AQI
25th May 2025
51AQI
26th May 2025
59AQI
27th May 2025
69AQI
28th May 2025
83AQI
29th May 2025
67AQI
30th May 2025
62AQI
31st May 2025
56AQI
1st June 2025
63AQI
2nd June 2025
80AQI
3rd June 2025
69AQI
4th June 2025
57AQI
5th June 2025
61AQI
6th June 2025
61AQI
7th June 2025
71AQI
8th June 2025
66AQI
9th June 2025
68AQI
10th June 2025
66AQI
11th June 2025
61AQI
12th June 2025
62AQI
13th June 2025
61AQI
14th June 2025
45AQI
15th June 2025
54AQI
16th June 2025
60AQI
17th June 2025
63AQI
18th June 2025
69AQI
19th June 2025
65AQI
20th June 2025
48AQI
21st June 2025
50AQI
22nd June 2025
61AQI
23rd June 2025
63AQI
24th June 2025
56AQI
25th June 2025
42AQI
26th June 2025
49AQI
27th June 2025
58AQI
28th June 2025
58AQI
29th June 2025
54AQI
30th June 2025
51AQI
1st July 2025
45AQI
2nd July 2025
44AQI
3rd July 2025
55AQI
4th July 2025
56AQI
5th July 2025
52AQI
6th July 2025
59AQI
7th July 2025
66AQI
8th July 2025
67AQI
9th July 2025
62AQI
10th July 2025
56AQI
11th July 2025
53AQI
12th July 2025
50AQI
13th July 2025
55AQI
14th July 2025
46AQI
15th July 2025
39AQI
16th July 2025
50AQI
17th July 2025
38AQI
18th July 2025
40AQI
19th July 2025
32AQI
20th July 2025
38AQI
21st July 2025
41AQI
22nd July 2025
40AQI
23rd July 2025
46AQI
24th July 2025
52AQI
25th July 2025
53AQI
26th July 2025
46AQI
27th July 2025
44AQI
28th July 2025
49AQI
29th July 2025
56AQI
30th July 2025
54AQI
31st July 2025
53AQI
1st August 2025
57AQI
2nd August 2025
61AQI
3rd August 2025
63AQI
4th August 2025
56AQI
5th August 2025
54AQI

82AQI

69AQI

79AQI

66AQI

58AQI

60AQI

50AQI

58AQI

No. of days

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

202566AQI

1
24
6
27
1
2
23
6
2
28
7
24
5
25
16
15
5
33
171
13

Highest AQI recorded in

January

82AQI

Lowest AQI recorded in

July

50AQI

202458AQI

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 recorded in

March

75AQI

Lowest AQI recorded in

July

41AQI

202364AQI

6
19
4
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
35
4

Highest AQI recorded in

February

87AQI

Lowest AQI recorded in

August

31AQI

202273AQI

20
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
180
43
4

Highest AQI recorded in

January

100AQI

Lowest AQI recorded in

August

18AQI

202165AQI

4
21
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
203
42
3
1

Highest AQI recorded in

March

87AQI

Lowest AQI recorded in

September

34AQI

202064AQI

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 recorded in

December

91AQI

Lowest AQI recorded in

August

39AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
73AQI
Least Polluted Year Recorded
2024(Avg.)
58AQI

Chiaksan's annual 2025 AQI (66) shows an average percentage change of 2.6% (worsened AQI) compared to previous years: 2020 (64), 2021 (65), 2022 (73), 2023 (64), 2024 (58).