Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Chechon, Chungbuk, 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

Chechon, Chungbuk, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
25th Aug 2024
77AQI
Lowest AQI recorded on
9th Aug 2023
19AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 59 of Moderate air quality, showing improvement over 2023 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025

Chechon, Chungbuk, South Korea

AQI
Day
Night
.

5 AM3rd Aug 2025

7 PM

4 AM4th Aug 2025

Day time
Avg. Highest Time
3PM3rd Aug

73AQI

Avg. Lowest Time
7AM3rd Aug

56AQI

Night time
Avg. Highest Time
8PM3rd Aug

63AQI

Avg. Lowest Time
1AM4th Aug

55AQI

In the last 24 hours,

Chechon's AQI reached its highest point of 73 at 3 PM during the Day, while the lowest point, 55, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Chechon, Chungbuk, South Korea

JulAug
05th - 06th06th - 07th07th - 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
Day
Night
5th Jul 2025545 AMAQI
5th Jul 2025546 AMAQI
5th Jul 2025547 AMAQI
5th Jul 2025548 AMAQI
5th Jul 2025489 AMAQI
5th Jul 20254710 AMAQI
5th Jul 20254611 AMAQI
5th Jul 20254512 PMAQI
5th Jul 2025501 PMAQI
5th Jul 2025522 PMAQI
5th Jul 2025533 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025535 PMAQI
5th Jul 2025536 PMAQI
5th Jul 2025537 PMAQI
5th Jul 2025548 PMAQI
5th Jul 2025559 PMAQI
5th Jul 20255610 PMAQI
5th Jul 20255511 PMAQI
6th Jul 20255512 AMAQI
6th Jul 2025541 AMAQI
6th Jul 2025532 AMAQI
6th Jul 2025543 AMAQI
6th Jul 2025534 AMAQI

24°C17/33°C

6th Jul 2025535 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025537 AMAQI
6th Jul 2025538 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20254810 AMAQI
6th Jul 20255211 AMAQI
6th Jul 20255112 PMAQI
6th Jul 2025541 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025573 PMAQI
6th Jul 2025584 PMAQI
6th Jul 2025595 PMAQI
6th Jul 2025606 PMAQI
6th Jul 2025637 PMAQI
6th Jul 2025638 PMAQI
6th Jul 2025589 PMAQI
6th Jul 20255710 PMAQI
6th Jul 20255711 PMAQI
7th Jul 20255812 AMAQI
7th Jul 2025541 AMAQI
7th Jul 2025542 AMAQI
7th Jul 2025543 AMAQI
7th Jul 2025544 AMAQI

24°C17/32°C

7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025599 AMAQI
7th Jul 20256110 AMAQI
7th Jul 20256211 AMAQI
7th Jul 20256512 PMAQI
7th Jul 2025701 PMAQI
7th Jul 2025712 PMAQI
7th Jul 2025723 PMAQI
7th Jul 2025764 PMAQI
7th Jul 2025775 PMAQI
7th Jul 2025756 PMAQI
7th Jul 2025737 PMAQI
7th Jul 2025688 PMAQI
7th Jul 2025639 PMAQI
7th Jul 20256210 PMAQI
7th Jul 20256211 PMAQI
8th Jul 20256112 AMAQI
8th Jul 2025611 AMAQI
8th Jul 2025582 AMAQI
8th Jul 2025553 AMAQI
8th Jul 2025554 AMAQI

26°C19/35°C

8th Jul 2025575 AMAQI
8th Jul 2025576 AMAQI
8th Jul 2025577 AMAQI
8th Jul 2025578 AMAQI
8th Jul 2025719 AMAQI
8th Jul 20258110 AMAQI
8th Jul 20258111 AMAQI
8th Jul 20257812 PMAQI
8th Jul 2025731 PMAQI
8th Jul 2025732 PMAQI
8th Jul 2025733 PMAQI
8th Jul 2025734 PMAQI
8th Jul 2025735 PMAQI
8th Jul 2025736 PMAQI
8th Jul 2025727 PMAQI
8th Jul 2025718 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20255910 PMAQI
8th Jul 20255911 PMAQI
9th Jul 20255912 AMAQI
9th Jul 2025581 AMAQI
9th Jul 2025582 AMAQI
9th Jul 2025583 AMAQI
9th Jul 2025594 AMAQI

25°C20/32°C

9th Jul 2025615 AMAQI
9th Jul 2025616 AMAQI
9th Jul 2025617 AMAQI
9th Jul 2025618 AMAQI
9th Jul 2025629 AMAQI
9th Jul 20256310 AMAQI
9th Jul 20256411 AMAQI
9th Jul 20256112 PMAQI
9th Jul 2025601 PMAQI
9th Jul 2025562 PMAQI
9th Jul 2025533 PMAQI
9th Jul 2025534 PMAQI
9th Jul 2025525 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025537 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255710 PMAQI
9th Jul 20255611 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025593 AMAQI
10th Jul 2025594 AMAQI

25°C18/34°C

10th Jul 2025605 AMAQI
10th Jul 2025606 AMAQI
10th Jul 2025607 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20254610 AMAQI
10th Jul 20254511 AMAQI
10th Jul 20254312 PMAQI
10th Jul 2025471 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025463 PMAQI
10th Jul 2025464 PMAQI
10th Jul 2025465 PMAQI
10th Jul 2025476 PMAQI
10th Jul 2025437 PMAQI
10th Jul 2025528 PMAQI
10th Jul 2025559 PMAQI
10th Jul 20255710 PMAQI
10th Jul 20255611 PMAQI
11th Jul 20255512 AMAQI
11th Jul 2025571 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI

23°C16/32°C

11th Jul 2025585 AMAQI
11th Jul 2025576 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253511 AMAQI
11th Jul 20253312 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025412 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025424 PMAQI
11th Jul 2025425 PMAQI
11th Jul 2025436 PMAQI
11th Jul 2025427 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025564 AMAQI

21°C14/31°C

12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025558 AMAQI
12th Jul 2025479 AMAQI
12th Jul 20254410 AMAQI
12th Jul 20254011 AMAQI
12th Jul 20254012 PMAQI
12th Jul 2025421 PMAQI
12th Jul 2025412 PMAQI
12th Jul 2025413 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025455 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025407 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20255110 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20255112 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI

22°C13/33°C

13th Jul 2025545 AMAQI
13th Jul 2025546 AMAQI
13th Jul 2025547 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254310 AMAQI
13th Jul 20254911 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025532 PMAQI
13th Jul 2025533 PMAQI
13th Jul 2025554 PMAQI
13th Jul 2025565 PMAQI
13th Jul 2025556 PMAQI
13th Jul 2025557 PMAQI
13th Jul 2025548 PMAQI
13th Jul 2025549 PMAQI
13th Jul 20255510 PMAQI
13th Jul 20255411 PMAQI
14th Jul 20255312 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI

22°C16/30°C

14th Jul 2025535 AMAQI
14th Jul 2025546 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025389 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20254211 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025471 PMAQI
14th Jul 2025442 PMAQI
14th Jul 2025443 PMAQI
14th Jul 2025424 PMAQI
14th Jul 2025405 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025348 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20254810 PMAQI
14th Jul 20254611 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025521 AMAQI
15th Jul 2025532 AMAQI
15th Jul 2025543 AMAQI
15th Jul 2025544 AMAQI

19°C15/23°C

15th Jul 2025535 AMAQI
15th Jul 2025536 AMAQI
15th Jul 2025537 AMAQI
15th Jul 2025538 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20252111 AMAQI
15th Jul 20252112 PMAQI
15th Jul 2025311 PMAQI
15th Jul 2025292 PMAQI
15th Jul 2025283 PMAQI
15th Jul 2025294 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025286 PMAQI
15th Jul 2025267 PMAQI
15th Jul 2025318 PMAQI
15th Jul 2025469 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025521 AMAQI
16th Jul 2025522 AMAQI
16th Jul 2025533 AMAQI
16th Jul 2025524 AMAQI

19°C15/23°C

16th Jul 2025505 AMAQI
16th Jul 2025506 AMAQI
16th Jul 2025507 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025389 AMAQI
16th Jul 20254410 AMAQI
16th Jul 20254611 AMAQI
16th Jul 20254712 PMAQI
16th Jul 2025541 PMAQI
16th Jul 2025532 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025534 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025556 PMAQI
16th Jul 2025567 PMAQI
16th Jul 2025548 PMAQI
16th Jul 2025539 PMAQI
16th Jul 20255210 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20254912 AMAQI
17th Jul 2025511 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025514 AMAQI

19°C14/23°C

17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025517 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20253810 AMAQI
17th Jul 20253611 AMAQI
17th Jul 20253412 PMAQI
17th Jul 2025351 PMAQI
17th Jul 2025322 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025275 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025297 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025449 PMAQI
17th Jul 20254410 PMAQI
17th Jul 20254311 PMAQI
18th Jul 20254212 AMAQI
18th Jul 2025481 AMAQI
18th Jul 2025512 AMAQI
18th Jul 2025513 AMAQI
18th Jul 2025514 AMAQI

20°C16/22°C

18th Jul 2025505 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025497 AMAQI
18th Jul 2025498 AMAQI
18th Jul 2025379 AMAQI
18th Jul 20253310 AMAQI
18th Jul 20254211 AMAQI
18th Jul 20254012 PMAQI
18th Jul 2025411 PMAQI
18th Jul 2025412 PMAQI
18th Jul 2025413 PMAQI
18th Jul 2025424 PMAQI
18th Jul 2025415 PMAQI
18th Jul 2025406 PMAQI
18th Jul 2025377 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254610 PMAQI
18th Jul 20254611 PMAQI
19th Jul 20254512 AMAQI
19th Jul 2025471 AMAQI
19th Jul 2025492 AMAQI
19th Jul 2025493 AMAQI
19th Jul 2025484 AMAQI

22°C17/30°C

19th Jul 2025485 AMAQI
19th Jul 2025486 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20251910 AMAQI
19th Jul 20252111 AMAQI
19th Jul 20251912 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025204 PMAQI
19th Jul 2025215 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025217 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025441 AMAQI
20th Jul 2025482 AMAQI
20th Jul 2025483 AMAQI
20th Jul 2025464 AMAQI

21°C19/24°C

20th Jul 2025435 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025437 AMAQI
20th Jul 2025438 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20253512 PMAQI
20th Jul 2025361 PMAQI
20th Jul 2025352 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025354 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025428 PMAQI
20th Jul 2025449 PMAQI
20th Jul 20254510 PMAQI
20th Jul 20254611 PMAQI
21st Jul 20254712 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025443 AMAQI
21st Jul 2025434 AMAQI

25°C19/32°C

21st Jul 2025425 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025439 AMAQI
21st Jul 20255110 AMAQI
21st Jul 20255711 AMAQI
21st Jul 20255712 PMAQI
21st Jul 2025571 PMAQI
21st Jul 2025502 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025434 PMAQI
21st Jul 2025435 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025417 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254110 PMAQI
21st Jul 20254111 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025452 AMAQI
22nd Jul 2025443 AMAQI
22nd Jul 2025454 AMAQI

24°C18/29°C

22nd Jul 2025475 AMAQI
22nd Jul 2025486 AMAQI
22nd Jul 2025477 AMAQI
22nd Jul 2025478 AMAQI
22nd Jul 2025369 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20253612 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025283 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025245 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025288 PMAQI
22nd Jul 2025379 PMAQI
22nd Jul 20253910 PMAQI
22nd Jul 20253811 PMAQI
23rd Jul 20253612 AMAQI
23rd Jul 2025391 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025454 AMAQI

24°C18/30°C

23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025459 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20255511 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025501 PMAQI
23rd Jul 2025472 PMAQI
23rd Jul 2025463 PMAQI
23rd Jul 2025464 PMAQI
23rd Jul 2025435 PMAQI
23rd Jul 2025396 PMAQI
23rd Jul 2025387 PMAQI
23rd Jul 2025458 PMAQI
23rd Jul 2025459 PMAQI
23rd Jul 20254410 PMAQI
23rd Jul 20254411 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025421 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025423 AMAQI
24th Jul 2025444 AMAQI

25°C18/32°C

24th Jul 2025455 AMAQI
24th Jul 2025456 AMAQI
24th Jul 2025457 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025479 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255711 AMAQI
24th Jul 20255912 PMAQI
24th Jul 2025601 PMAQI
24th Jul 2025572 PMAQI
24th Jul 2025583 PMAQI
24th Jul 2025574 PMAQI
24th Jul 2025565 PMAQI
24th Jul 2025576 PMAQI
24th Jul 2025567 PMAQI
24th Jul 2025538 PMAQI
24th Jul 2025519 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255311 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025472 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025464 AMAQI

26°C19/34°C

25th Jul 2025505 AMAQI
25th Jul 2025496 AMAQI
25th Jul 2025497 AMAQI
25th Jul 2025498 AMAQI
25th Jul 2025569 AMAQI
25th Jul 20256310 AMAQI
25th Jul 20256511 AMAQI
25th Jul 20256812 PMAQI
25th Jul 2025671 PMAQI
25th Jul 2025662 PMAQI
25th Jul 2025583 PMAQI
25th Jul 2025554 PMAQI
25th Jul 2025465 PMAQI
25th Jul 2025446 PMAQI
25th Jul 2025457 PMAQI
25th Jul 2025438 PMAQI
25th Jul 2025479 PMAQI
25th Jul 20254710 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025501 AMAQI
26th Jul 2025502 AMAQI
26th Jul 2025503 AMAQI
26th Jul 2025524 AMAQI

26°C18/35°C

26th Jul 2025535 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025537 AMAQI
26th Jul 2025538 AMAQI
26th Jul 2025439 AMAQI
26th Jul 20254510 AMAQI
26th Jul 20254811 AMAQI
26th Jul 20254112 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025264 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025226 PMAQI
26th Jul 2025237 PMAQI
26th Jul 2025338 PMAQI
26th Jul 2025449 PMAQI
26th Jul 20254410 PMAQI
26th Jul 20254511 PMAQI
27th Jul 20254612 AMAQI
27th Jul 2025501 AMAQI
27th Jul 2025522 AMAQI
27th Jul 2025523 AMAQI
27th Jul 2025524 AMAQI

26°C19/34°C

27th Jul 2025515 AMAQI
27th Jul 2025516 AMAQI
27th Jul 2025517 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025439 AMAQI
27th Jul 20253910 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025252 PMAQI
27th Jul 2025233 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025298 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20253910 PMAQI
27th Jul 20254111 PMAQI
28th Jul 20254112 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025512 AMAQI
28th Jul 2025513 AMAQI
28th Jul 2025494 AMAQI

27°C19/35°C

28th Jul 2025475 AMAQI
28th Jul 2025476 AMAQI
28th Jul 2025477 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20254211 AMAQI
28th Jul 20254512 PMAQI
28th Jul 2025481 PMAQI
28th Jul 2025492 PMAQI
28th Jul 2025503 PMAQI
28th Jul 2025494 PMAQI
28th Jul 2025455 PMAQI
28th Jul 2025446 PMAQI
28th Jul 2025457 PMAQI
28th Jul 2025468 PMAQI
28th Jul 2025489 PMAQI
28th Jul 20255110 PMAQI
28th Jul 20255311 PMAQI
29th Jul 20255312 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025492 AMAQI
29th Jul 2025483 AMAQI
29th Jul 2025484 AMAQI

27°C19/36°C

29th Jul 2025485 AMAQI
29th Jul 2025486 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025488 AMAQI
29th Jul 2025559 AMAQI
29th Jul 20255710 AMAQI
29th Jul 20255711 AMAQI
29th Jul 20255612 PMAQI
29th Jul 2025571 PMAQI
29th Jul 2025572 PMAQI
29th Jul 2025563 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025505 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025517 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025539 PMAQI
29th Jul 20255410 PMAQI
29th Jul 20255311 PMAQI
30th Jul 20255212 AMAQI
30th Jul 2025511 AMAQI
30th Jul 2025512 AMAQI
30th Jul 2025513 AMAQI
30th Jul 2025514 AMAQI

27°C20/36°C

30th Jul 2025525 AMAQI
30th Jul 2025526 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025499 AMAQI
30th Jul 20255010 AMAQI
30th Jul 20255311 AMAQI
30th Jul 20255412 PMAQI
30th Jul 2025481 PMAQI
30th Jul 2025462 PMAQI
30th Jul 2025463 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025436 PMAQI
30th Jul 2025447 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255310 PMAQI
30th Jul 20255311 PMAQI
31st Jul 20255312 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025522 AMAQI
31st Jul 2025523 AMAQI
31st Jul 2025524 AMAQI

26°C19/34°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 20255311 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025481 PMAQI
31st Jul 2025482 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025454 PMAQI
31st Jul 2025395 PMAQI
31st Jul 2025416 PMAQI
31st Jul 2025437 PMAQI
31st Jul 2025488 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025531 AMAQI
1st Aug 2025532 AMAQI
1st Aug 2025533 AMAQI
1st Aug 2025524 AMAQI

25°C18/33°C

1st Aug 2025535 AMAQI
1st Aug 2025546 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025538 AMAQI
1st Aug 2025579 AMAQI
1st Aug 20255910 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025561 PMAQI
1st Aug 2025572 PMAQI
1st Aug 2025563 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025546 PMAQI
1st Aug 2025537 PMAQI
1st Aug 2025548 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025532 AMAQI
2nd Aug 2025533 AMAQI
2nd Aug 2025534 AMAQI

27°C20/35°C

2nd Aug 2025535 AMAQI
2nd Aug 2025546 AMAQI
2nd Aug 2025547 AMAQI
2nd Aug 2025548 AMAQI
2nd Aug 2025649 AMAQI
2nd Aug 20256510 AMAQI
2nd Aug 20256311 AMAQI
2nd Aug 20257012 PMAQI
2nd Aug 2025661 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025603 PMAQI
2nd Aug 2025604 PMAQI
2nd Aug 2025655 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025627 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025542 AMAQI
3rd Aug 2025543 AMAQI
3rd Aug 2025564 AMAQI

27°C22/34°C

3rd Aug 2025565 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025567 AMAQI
3rd Aug 2025578 AMAQI
3rd Aug 2025619 AMAQI
3rd Aug 20256510 AMAQI
3rd Aug 20256911 AMAQI
3rd Aug 20256912 PMAQI
3rd Aug 2025721 PMAQI
3rd Aug 2025662 PMAQI
3rd Aug 2025733 PMAQI
3rd Aug 2025684 PMAQI
3rd Aug 2025645 PMAQI
3rd Aug 2025666 PMAQI
3rd Aug 2025657 PMAQI
3rd Aug 2025638 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255910 PMAQI
3rd Aug 20255511 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025563 AMAQI
4th Aug 2025584 AMAQI

24°C20/28°C

4th Aug 2025585 AMAQI
5 AM
4th Aug 2025586 AMAQI
4th Aug 2025587 AMAQI
4th Aug 2025598 AMAQI
4th Aug 2025399 AMAQI
4th Aug 20254010 AMAQI
4th Aug 20254711 AMAQI
4th Aug 20254512 PMAQI
12 PM
7 PM
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

47AQI

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. 47).
Night time
Avg. Highest Time
12 AM - 4 AM

51AQI

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

47AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 51), while the lowest AQI was between 8 PM to 8 PM (Avg. 47).

2025 Days Vs Air Quality

Chechon, Chungbuk, South Korea

2025

19%

41

78%

166

3%

7

Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)

Good
41 Days
Moderate
166 Days
Poor
7 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 19%

Health Risk Level:

Extreme

In 2025, 19% of 216 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

Chechon, Chungbuk, 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
70AQI
2nd January 2025
72AQI
3rd January 2025
56AQI
4th January 2025
61AQI
5th January 2025
69AQI
6th January 2025
98AQI
7th January 2025
61AQI
8th January 2025
70AQI
9th January 2025
42AQI
10th January 2025
59AQI
11th January 2025
61AQI
12th January 2025
76AQI
13th January 2025
91AQI
14th January 2025
98AQI
15th January 2025
61AQI
16th January 2025
70AQI
17th January 2025
81AQI
18th January 2025
92AQI
19th January 2025
82AQI
20th January 2025
101AQI
21st January 2025
131AQI
22nd January 2025
131AQI
23rd January 2025
112AQI
24th January 2025
95AQI
25th January 2025
66AQI
26th January 2025
53AQI
27th January 2025
63AQI
28th January 2025
55AQI
29th January 2025
61AQI
30th January 2025
57AQI
31st January 2025
81AQI
1st February 2025
77AQI
2nd February 2025
76AQI
3rd February 2025
60AQI
4th February 2025
51AQI
5th February 2025
47AQI
6th February 2025
48AQI
7th February 2025
53AQI
8th February 2025
50AQI
9th February 2025
58AQI
10th February 2025
60AQI
11th February 2025
76AQI
12th February 2025
79AQI
13th February 2025
52AQI
14th February 2025
79AQI
15th February 2025
57AQI
16th February 2025
102AQI
17th February 2025
52AQI
18th February 2025
62AQI
19th February 2025
50AQI
20th February 2025
56AQI
21st February 2025
54AQI
22nd February 2025
56AQI
23rd February 2025
57AQI
24th February 2025
59AQI
25th February 2025
58AQI
26th February 2025
82AQI
27th February 2025
59AQI
28th February 2025
73AQI
1st March 2025
80AQI
2nd March 2025
71AQI
3rd March 2025
51AQI
4th March 2025
46AQI
5th March 2025
41AQI
6th March 2025
50AQI
7th March 2025
62AQI
8th March 2025
65AQI
9th March 2025
77AQI
10th March 2025
78AQI
11th March 2025
88AQI
12th March 2025
83AQI
13th March 2025
75AQI
14th March 2025
65AQI
15th March 2025
48AQI
16th March 2025
58AQI
17th March 2025
60AQI
18th March 2025
55AQI
19th March 2025
73AQI
20th March 2025
74AQI
21st March 2025
86AQI
22nd March 2025
83AQI
23rd March 2025
89AQI
24th March 2025
91AQI
25th March 2025
114AQI
26th March 2025
92AQI
27th March 2025
114AQI
28th March 2025
87AQI
29th March 2025
62AQI
30th March 2025
56AQI
31st March 2025
62AQI
1st April 2025
63AQI
2nd April 2025
64AQI
3rd April 2025
73AQI
4th April 2025
70AQI
5th April 2025
69AQI
6th April 2025
64AQI
7th April 2025
66AQI
8th April 2025
79AQI
9th April 2025
70AQI
10th April 2025
73AQI
11th April 2025
68AQI
12th April 2025
58AQI
13th April 2025
55AQI
14th April 2025
54AQI
15th April 2025
54AQI
16th April 2025
63AQI
17th April 2025
65AQI
18th April 2025
76AQI
19th April 2025
62AQI
20th April 2025
56AQI
21st April 2025
50AQI
22nd April 2025
46AQI
23rd April 2025
33AQI
24th April 2025
55AQI
25th April 2025
67AQI
26th April 2025
55AQI
27th April 2025
49AQI
28th April 2025
51AQI
29th April 2025
62AQI
30th April 2025
58AQI
1st May 2025
54AQI
2nd May 2025
54AQI
3rd May 2025
50AQI
4th May 2025
51AQI
5th May 2025
51AQI
6th May 2025
45AQI
7th May 2025
54AQI
8th May 2025
69AQI
9th May 2025
53AQI
10th May 2025
41AQI
11th May 2025
61AQI
12th May 2025
65AQI
13th May 2025
71AQI
14th May 2025
69AQI
15th May 2025
64AQI
16th May 2025
54AQI
17th May 2025
48AQI
18th May 2025
57AQI
19th May 2025
60AQI
20th May 2025
57AQI
21st May 2025
57AQI
22nd May 2025
57AQI
23rd May 2025
64AQI
24th May 2025
46AQI
25th May 2025
52AQI
26th May 2025
57AQI
27th May 2025
63AQI
28th May 2025
75AQI
29th May 2025
68AQI
30th May 2025
56AQI
31st May 2025
58AQI
1st June 2025
62AQI
2nd June 2025
78AQI
3rd June 2025
68AQI
4th June 2025
52AQI
5th June 2025
55AQI
6th June 2025
59AQI
7th June 2025
64AQI
8th June 2025
63AQI
9th June 2025
66AQI
10th June 2025
64AQI
11th June 2025
56AQI
12th June 2025
58AQI
13th June 2025
62AQI
14th June 2025
55AQI
15th June 2025
57AQI
16th June 2025
56AQI
17th June 2025
63AQI
18th June 2025
65AQI
19th June 2025
66AQI
20th June 2025
56AQI
21st June 2025
46AQI
22nd June 2025
46AQI
23rd June 2025
57AQI
24th June 2025
53AQI
25th June 2025
46AQI
26th June 2025
49AQI
27th June 2025
59AQI
28th June 2025
61AQI
29th June 2025
55AQI
30th June 2025
47AQI
1st July 2025
46AQI
2nd July 2025
44AQI
3rd July 2025
52AQI
4th July 2025
55AQI
5th July 2025
53AQI
6th July 2025
56AQI
7th July 2025
62AQI
8th July 2025
65AQI
9th July 2025
58AQI
10th July 2025
53AQI
11th July 2025
49AQI
12th July 2025
49AQI
13th July 2025
53AQI
14th July 2025
46AQI
15th July 2025
40AQI
16th July 2025
51AQI
17th July 2025
42AQI
18th July 2025
44AQI
19th July 2025
35AQI
20th July 2025
40AQI
21st July 2025
45AQI
22nd July 2025
37AQI
23rd July 2025
44AQI
24th July 2025
51AQI
25th July 2025
51AQI
26th July 2025
42AQI
27th July 2025
39AQI
28th July 2025
47AQI
29th July 2025
52AQI
30th July 2025
49AQI
31st July 2025
50AQI
1st August 2025
55AQI
2nd August 2025
59AQI

77AQI

62AQI

72AQI

61AQI

57AQI

58AQI

48AQI

57AQI

No. of days

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

202562AQI

1
26
4
4
23
1
4
25
2
4
26
5
26
5
25
18
13
2
41
166
7

Highest AQI recorded in

January

77AQI

Lowest AQI recorded in

July

48AQI

202454AQI

4
23
4
14
12
3
4
24
3
5
23
2
11
20
11
19
24
7
21
10
29
1
25
6
15
15
4
27
167
187
12

Highest AQI recorded in

January

75AQI

Lowest AQI recorded in

September

33AQI

202362AQI

4
21
5
1
4
15
9
2
22
7
6
20
3
1
8
23
12
18
21
10
19
12
21
9
11
20
10
18
1
11
16
4
129
204
29
2

Highest AQI recorded in

February

84AQI

Lowest AQI recorded in

September

43AQI

202263AQI

2
24
4
1
2
16
5
9
19
3
7
23
6
24
1
15
15
15
8
1
26
2
17
14
4
23
3
2
25
4
106
193
20
1

Highest AQI recorded in

January

82AQI

Lowest AQI recorded in

August

28AQI

202158AQI

9
20
2
6
17
5
7
21
2
1
9
21
11
18
1
1
10
20
26
5
23
8
28
2
17
13
1
7
20
2
1
10
18
3
163
183
16
2
1

Highest AQI recorded in

March

74AQI

Lowest AQI recorded in

September

34AQI

202057AQI

3
10
5
15
1
3
15
4
24
2
27
4
21
10
24
6
13
16
2
7
21
2
5
18
8
112
139
15

Highest AQI recorded in

December

78AQI

Lowest AQI recorded in

July

39AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
63AQI
Least Polluted Year Recorded
2024(Avg.)
54AQI

Chechon's annual 2025 AQI (62) shows an average percentage change of 5.9% (worsened AQI) compared to previous years: 2020 (57), 2021 (58), 2022 (63), 2023 (62), 2024 (54).