Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Jangjae ri, Chonan, 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

Jangjae ri, Chonan, Chungnam, South Korea

2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2023
81AQI
Lowest AQI recorded on
21st Aug 2024
23AQI

Same Day Analysis (5th August ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 1st highest AQI at 53 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

Jangjae ri, Chonan, Chungnam, 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
7PM5th Aug

40AQI

Night time
Avg. Highest Time
1AM6th Aug

55AQI

Avg. Lowest Time
11PM5th Aug

46AQI

In the last 24 hours,

Jangjae ri's AQI reached its highest point of 58 at 12 PM during the Day, while the lowest point, 40, was recorded at 7 PM during the Day between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Jangjae ri, Chonan, Chungnam, 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 2025535 AMAQI
7th Jul 2025526 AMAQI
7th Jul 2025527 AMAQI
7th Jul 2025538 AMAQI
7th Jul 2025489 AMAQI
7th Jul 20256010 AMAQI
7th Jul 20256711 AMAQI
7th Jul 20256212 PMAQI
7th Jul 2025591 PMAQI
7th Jul 2025652 PMAQI
7th Jul 2025723 PMAQI
7th Jul 2025724 PMAQI
7th Jul 2025745 PMAQI
7th Jul 2025756 PMAQI
7th Jul 2025747 PMAQI
7th Jul 2025738 PMAQI
7th Jul 2025579 PMAQI
7th Jul 20255710 PMAQI
7th Jul 20255711 PMAQI
8th Jul 20255612 AMAQI
8th Jul 2025561 AMAQI
8th Jul 2025542 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025534 AMAQI

28°C23/34°C

8th Jul 2025535 AMAQI
8th Jul 2025536 AMAQI
8th Jul 2025537 AMAQI
8th Jul 2025538 AMAQI
8th Jul 2025729 AMAQI
8th Jul 20258810 AMAQI
8th Jul 20258111 AMAQI
8th Jul 20257412 PMAQI
8th Jul 2025691 PMAQI
8th Jul 2025662 PMAQI
8th Jul 2025663 PMAQI
8th Jul 2025674 PMAQI
8th Jul 2025665 PMAQI
8th Jul 2025706 PMAQI
8th Jul 2025687 PMAQI
8th Jul 2025668 PMAQI
8th Jul 2025599 PMAQI
8th Jul 20255710 PMAQI
8th Jul 20255611 PMAQI
9th Jul 20255512 AMAQI
9th Jul 2025561 AMAQI
9th Jul 2025552 AMAQI
9th Jul 2025553 AMAQI
9th Jul 2025554 AMAQI

29°C23/36°C

9th Jul 2025575 AMAQI
9th Jul 2025576 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025578 AMAQI
9th Jul 2025509 AMAQI
9th Jul 20254810 AMAQI
9th Jul 20254911 AMAQI
9th Jul 20254812 PMAQI
9th Jul 2025501 PMAQI
9th Jul 2025512 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025474 PMAQI
9th Jul 2025455 PMAQI
9th Jul 2025476 PMAQI
9th Jul 2025487 PMAQI
9th Jul 2025488 PMAQI
9th Jul 2025559 PMAQI
9th Jul 20255610 PMAQI
9th Jul 20255511 PMAQI
10th Jul 20255612 AMAQI
10th Jul 2025561 AMAQI
10th Jul 2025562 AMAQI
10th Jul 2025563 AMAQI
10th Jul 2025564 AMAQI

29°C24/35°C

10th Jul 2025565 AMAQI
10th Jul 2025556 AMAQI
10th Jul 2025557 AMAQI
10th Jul 2025568 AMAQI
10th Jul 2025339 AMAQI
10th Jul 20252710 AMAQI
10th Jul 20252811 AMAQI
10th Jul 20255212 PMAQI
10th Jul 2025561 PMAQI
10th Jul 2025562 PMAQI
10th Jul 2025553 PMAQI
10th Jul 2025564 PMAQI
10th Jul 2025565 PMAQI
10th Jul 2025566 PMAQI
10th Jul 2025467 PMAQI
10th Jul 2025448 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255810 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025601 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025594 AMAQI

27°C22/34°C

11th Jul 2025585 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025569 AMAQI
11th Jul 20255610 AMAQI
11th Jul 20255411 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025521 PMAQI
11th Jul 2025462 PMAQI
11th Jul 2025553 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025495 PMAQI
11th Jul 2025506 PMAQI
11th Jul 2025497 PMAQI
11th Jul 2025508 PMAQI
11th Jul 2025559 PMAQI
11th Jul 20255510 PMAQI
11th Jul 20255511 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025572 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025574 AMAQI

26°C20/33°C

12th Jul 2025565 AMAQI
12th Jul 2025566 AMAQI
12th Jul 2025567 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025459 AMAQI
12th Jul 20254810 AMAQI
12th Jul 20255711 AMAQI
12th Jul 20256012 PMAQI
12th Jul 2025541 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025524 PMAQI
12th Jul 2025545 PMAQI
12th Jul 2025506 PMAQI
12th Jul 2025487 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025549 PMAQI
12th Jul 20255510 PMAQI
12th Jul 20255611 PMAQI
13th Jul 20255612 AMAQI
13th Jul 2025561 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI

26°C19/33°C

13th Jul 2025555 AMAQI
13th Jul 2025556 AMAQI
13th Jul 2025557 AMAQI
13th Jul 2025558 AMAQI
13th Jul 2025619 AMAQI
13th Jul 20256810 AMAQI
13th Jul 20257011 AMAQI
13th Jul 20257012 PMAQI
13th Jul 2025671 PMAQI
13th Jul 2025662 PMAQI
13th Jul 2025683 PMAQI
13th Jul 2025684 PMAQI
13th Jul 2025705 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025717 PMAQI
13th Jul 2025698 PMAQI
13th Jul 2025609 PMAQI
13th Jul 20256010 PMAQI
13th Jul 20255811 PMAQI
14th Jul 20255812 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025564 AMAQI

24°C19/28°C

14th Jul 2025575 AMAQI
14th Jul 2025576 AMAQI
14th Jul 2025577 AMAQI
14th Jul 2025578 AMAQI
14th Jul 2025679 AMAQI
14th Jul 20257110 AMAQI
14th Jul 20258011 AMAQI
14th Jul 20258412 PMAQI
14th Jul 2025781 PMAQI
14th Jul 2025792 PMAQI
14th Jul 2025683 PMAQI
14th Jul 2025624 PMAQI
14th Jul 2025605 PMAQI
14th Jul 2025606 PMAQI
14th Jul 2025547 PMAQI
14th Jul 2025488 PMAQI
14th Jul 2025559 PMAQI
14th Jul 20255510 PMAQI
14th Jul 20255511 PMAQI
15th Jul 20255512 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025573 AMAQI
15th Jul 2025584 AMAQI

23°C20/28°C

15th Jul 2025585 AMAQI
15th Jul 2025586 AMAQI
15th Jul 2025587 AMAQI
15th Jul 2025598 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20251910 AMAQI
15th Jul 20251811 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025411 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025455 PMAQI
15th Jul 2025516 PMAQI
15th Jul 2025527 PMAQI
15th Jul 2025508 PMAQI
15th Jul 2025549 PMAQI
15th Jul 20255410 PMAQI
15th Jul 20255511 PMAQI
16th Jul 20255512 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025562 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI

21°C19/25°C

16th Jul 2025555 AMAQI
16th Jul 2025556 AMAQI
16th Jul 2025557 AMAQI
16th Jul 2025558 AMAQI
16th Jul 2025599 AMAQI
16th Jul 20255910 AMAQI
16th Jul 20255911 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025562 PMAQI
16th Jul 2025553 PMAQI
16th Jul 2025504 PMAQI
16th Jul 2025495 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025397 PMAQI
16th Jul 2025428 PMAQI
16th Jul 2025549 PMAQI
16th Jul 20255410 PMAQI
16th Jul 20255411 PMAQI
17th Jul 20255512 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI

21°C19/25°C

17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025558 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20251810 AMAQI
17th Jul 20251811 AMAQI
17th Jul 20251912 PMAQI
17th Jul 2025281 PMAQI
17th Jul 2025232 PMAQI
17th Jul 2025253 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025226 PMAQI
17th Jul 2025287 PMAQI
17th Jul 2025348 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254611 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025542 AMAQI
18th Jul 2025543 AMAQI
18th Jul 2025534 AMAQI

23°C20/26°C

18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025339 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252611 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025383 PMAQI
18th Jul 2025394 PMAQI
18th Jul 2025405 PMAQI
18th Jul 2025436 PMAQI
18th Jul 2025487 PMAQI
18th Jul 2025468 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20255010 PMAQI
18th Jul 20255011 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025524 AMAQI

23°C21/27°C

19th Jul 2025495 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025497 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20251410 AMAQI
19th Jul 20251211 AMAQI
19th Jul 20251412 PMAQI
19th Jul 2025191 PMAQI
19th Jul 2025202 PMAQI
19th Jul 2025203 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025185 PMAQI
19th Jul 2025206 PMAQI
19th Jul 2025227 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025399 PMAQI
19th Jul 20254110 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025523 AMAQI
20th Jul 2025494 AMAQI

25°C21/28°C

20th Jul 2025465 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253912 PMAQI
20th Jul 2025391 PMAQI
20th Jul 2025392 PMAQI
20th Jul 2025393 PMAQI
20th Jul 2025434 PMAQI
20th Jul 2025505 PMAQI
20th Jul 2025506 PMAQI
20th Jul 2025517 PMAQI
20th Jul 2025498 PMAQI
20th Jul 2025499 PMAQI
20th Jul 20254910 PMAQI
20th Jul 20255011 PMAQI
21st Jul 20255012 AMAQI
21st Jul 2025461 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025483 AMAQI
21st Jul 2025464 AMAQI

26°C22/32°C

21st Jul 2025445 AMAQI
21st Jul 2025436 AMAQI
21st Jul 2025437 AMAQI
21st Jul 2025438 AMAQI
21st Jul 2025509 AMAQI
21st Jul 20255410 AMAQI
21st Jul 20255111 AMAQI
21st Jul 20255212 PMAQI
21st Jul 2025431 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025343 PMAQI
21st Jul 2025354 PMAQI
21st Jul 2025305 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20253710 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025453 AMAQI
22nd Jul 2025464 AMAQI

27°C23/31°C

22nd Jul 2025465 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025457 AMAQI
22nd Jul 2025468 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20253611 AMAQI
22nd Jul 20253512 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025382 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025445 PMAQI
22nd Jul 2025406 PMAQI
22nd Jul 2025437 PMAQI
22nd Jul 2025438 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254310 PMAQI
22nd Jul 20254311 PMAQI
23rd Jul 20254212 AMAQI
23rd Jul 2025421 AMAQI
23rd Jul 2025432 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025444 AMAQI

26°C23/30°C

23rd Jul 2025445 AMAQI
23rd Jul 2025446 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025529 AMAQI
23rd Jul 20254810 AMAQI
23rd Jul 20255711 AMAQI
23rd Jul 20255812 PMAQI
23rd Jul 2025571 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025573 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025548 PMAQI
23rd Jul 2025519 PMAQI
23rd Jul 20254910 PMAQI
23rd Jul 20255011 PMAQI
24th Jul 20254912 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025454 AMAQI

26°C23/31°C

24th Jul 2025475 AMAQI
24th Jul 2025476 AMAQI
24th Jul 2025477 AMAQI
24th Jul 2025478 AMAQI
24th Jul 2025529 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20255911 AMAQI
24th Jul 20256512 PMAQI
24th Jul 2025621 PMAQI
24th Jul 2025642 PMAQI
24th Jul 2025653 PMAQI
24th Jul 2025684 PMAQI
24th Jul 2025685 PMAQI
24th Jul 2025696 PMAQI
24th Jul 2025677 PMAQI
24th Jul 2025648 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255910 PMAQI
24th Jul 20255911 PMAQI
25th Jul 20256012 AMAQI
25th Jul 2025581 AMAQI
25th Jul 2025522 AMAQI
25th Jul 2025473 AMAQI
25th Jul 2025484 AMAQI

27°C23/33°C

25th Jul 2025515 AMAQI
25th Jul 2025516 AMAQI
25th Jul 2025517 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025719 AMAQI
25th Jul 20257910 AMAQI
25th Jul 20257411 AMAQI
25th Jul 20257112 PMAQI
25th Jul 2025601 PMAQI
25th Jul 2025562 PMAQI
25th Jul 2025593 PMAQI
25th Jul 2025544 PMAQI
25th Jul 2025545 PMAQI
25th Jul 2025556 PMAQI
25th Jul 2025547 PMAQI
25th Jul 2025598 PMAQI
25th Jul 2025599 PMAQI
25th Jul 20256110 PMAQI
25th Jul 20256411 PMAQI
26th Jul 20256412 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025544 AMAQI

28°C23/35°C

26th Jul 2025555 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025558 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20253910 AMAQI
26th Jul 20253811 AMAQI
26th Jul 20253512 PMAQI
26th Jul 2025431 PMAQI
26th Jul 2025412 PMAQI
26th Jul 2025363 PMAQI
26th Jul 2025344 PMAQI
26th Jul 2025325 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025367 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255210 PMAQI
26th Jul 20255411 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025561 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025544 AMAQI

29°C24/35°C

27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025537 AMAQI
27th Jul 2025538 AMAQI
27th Jul 2025459 AMAQI
27th Jul 20253710 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025265 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025337 PMAQI
27th Jul 2025448 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255610 PMAQI
27th Jul 20255811 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025534 AMAQI

29°C24/35°C

28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025679 AMAQI
28th Jul 20257110 AMAQI
28th Jul 20257311 AMAQI
28th Jul 20257212 PMAQI
28th Jul 2025671 PMAQI
28th Jul 2025702 PMAQI
28th Jul 2025663 PMAQI
28th Jul 2025644 PMAQI
28th Jul 2025625 PMAQI
28th Jul 2025656 PMAQI
28th Jul 2025667 PMAQI
28th Jul 2025598 PMAQI
28th Jul 2025569 PMAQI
28th Jul 20255910 PMAQI
28th Jul 20256011 PMAQI
29th Jul 20256112 AMAQI
29th Jul 2025561 AMAQI
29th Jul 2025552 AMAQI
29th Jul 2025553 AMAQI
29th Jul 2025554 AMAQI

28°C24/33°C

29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025769 AMAQI
29th Jul 20258210 AMAQI
29th Jul 20258511 AMAQI
29th Jul 20259212 PMAQI
29th Jul 2025781 PMAQI
29th Jul 2025762 PMAQI
29th Jul 2025663 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025555 PMAQI
29th Jul 2025596 PMAQI
29th Jul 2025727 PMAQI
29th Jul 2025718 PMAQI
29th Jul 2025639 PMAQI
29th Jul 20256310 PMAQI
29th Jul 20256211 PMAQI
30th Jul 20256112 AMAQI
30th Jul 2025581 AMAQI
30th Jul 2025572 AMAQI
30th Jul 2025583 AMAQI
30th Jul 2025584 AMAQI

28°C23/35°C

30th Jul 2025605 AMAQI
30th Jul 2025606 AMAQI
30th Jul 2025607 AMAQI
30th Jul 2025608 AMAQI
30th Jul 2025799 AMAQI
30th Jul 20258510 AMAQI
30th Jul 20258611 AMAQI
30th Jul 20257712 PMAQI
30th Jul 2025661 PMAQI
30th Jul 2025582 PMAQI
30th Jul 2025513 PMAQI
30th Jul 2025494 PMAQI
30th Jul 2025465 PMAQI
30th Jul 2025456 PMAQI
30th Jul 2025457 PMAQI
30th Jul 2025548 PMAQI
30th Jul 2025589 PMAQI
30th Jul 20255810 PMAQI
30th Jul 20255811 PMAQI
31st Jul 20255912 AMAQI
31st Jul 2025591 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI

28°C23/34°C

31st Jul 2025595 AMAQI
31st Jul 2025596 AMAQI
31st Jul 2025597 AMAQI
31st Jul 2025598 AMAQI
31st Jul 2025599 AMAQI
31st Jul 20255910 AMAQI
31st Jul 20254711 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025561 PMAQI
31st Jul 2025532 PMAQI
31st Jul 2025583 PMAQI
31st Jul 2025574 PMAQI
31st Jul 2025565 PMAQI
31st Jul 2025566 PMAQI
31st Jul 2025537 PMAQI
31st Jul 2025548 PMAQI
31st Jul 2025539 PMAQI
31st Jul 20255410 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20255412 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025554 AMAQI

27°C24/33°C

1st Aug 2025555 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255411 AMAQI
1st Aug 20255412 PMAQI
1st Aug 2025531 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025623 PMAQI
1st Aug 2025634 PMAQI
1st Aug 2025635 PMAQI
1st Aug 2025626 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025588 PMAQI
1st Aug 2025609 PMAQI
1st Aug 20255810 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20255712 AMAQI
2nd Aug 2025541 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025554 AMAQI

28°C24/34°C

2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025557 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025759 AMAQI
2nd Aug 20257810 AMAQI
2nd Aug 20257511 AMAQI
2nd Aug 20258112 PMAQI
2nd Aug 2025781 PMAQI
2nd Aug 2025622 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025684 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025667 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256211 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025552 AMAQI
3rd Aug 2025553 AMAQI
3rd Aug 2025574 AMAQI

28°C24/32°C

3rd Aug 2025585 AMAQI
3rd Aug 2025576 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025588 AMAQI
3rd Aug 2025689 AMAQI
3rd Aug 20257110 AMAQI
3rd Aug 20257211 AMAQI
3rd Aug 20256512 PMAQI
3rd Aug 2025701 PMAQI
3rd Aug 2025712 PMAQI
3rd Aug 2025743 PMAQI
3rd Aug 2025664 PMAQI
3rd Aug 2025685 PMAQI
3rd Aug 2025646 PMAQI
3rd Aug 2025647 PMAQI
3rd Aug 2025578 PMAQI
3rd Aug 2025589 PMAQI
3rd Aug 20255810 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20255112 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025562 AMAQI
4th Aug 2025573 AMAQI
4th Aug 2025584 AMAQI

26°C23/28°C

4th Aug 2025595 AMAQI
4th Aug 2025596 AMAQI
4th Aug 2025607 AMAQI
4th Aug 2025608 AMAQI
4th Aug 2025409 AMAQI
4th Aug 20254210 AMAQI
4th Aug 20255011 AMAQI
4th Aug 20254812 PMAQI
4th Aug 2025471 PMAQI
4th Aug 2025422 PMAQI
4th Aug 2025423 PMAQI
4th Aug 2025454 PMAQI
4th Aug 2025495 PMAQI
4th Aug 2025496 PMAQI
4th Aug 2025537 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025569 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255611 PMAQI
5th Aug 20255412 AMAQI
5th Aug 2025551 AMAQI
5th Aug 2025562 AMAQI
5th Aug 2025563 AMAQI
5th Aug 2025554 AMAQI

26°C23/30°C

5th Aug 2025565 AMAQI
5th Aug 2025556 AMAQI
5th Aug 2025567 AMAQI
5th Aug 2025558 AMAQI
5th Aug 2025499 AMAQI
5th Aug 20255510 AMAQI
5th Aug 20255611 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025541 PMAQI
5th Aug 2025522 PMAQI
5th Aug 2025493 PMAQI
5th Aug 2025444 PMAQI
5th Aug 2025465 PMAQI
5th Aug 2025456 PMAQI
5th Aug 2025407 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025499 PMAQI
5th Aug 20254910 PMAQI
5th Aug 20254611 PMAQI
6th Aug 20254912 AMAQI
6th Aug 2025551 AMAQI
6th Aug 2025542 AMAQI
6th Aug 2025553 AMAQI
6th Aug 2025554 AMAQI

26°C22/32°C

6th Aug 2025555 AMAQI
5 AM
6th Aug 2025556 AMAQI
6th Aug 2025557 AMAQI
6th Aug 2025558 AMAQI
6th Aug 2025389 AMAQI
6th Aug 20253510 AMAQI
6th Aug 20254311 AMAQI
6th Aug 20253712 PMAQI
12 PM
6th Aug 2025401 PMAQI
6th Aug 2025462 PMAQI
6th Aug 2025423 PMAQI
6th Aug 2025404 PMAQI
6th Aug 2025465 PMAQI
6th Aug 2025446 PMAQI
6th Aug 2025497 PMAQI
7 PM
6th Aug 2025528 PMAQI
6th Aug 2025529 PMAQI
6th Aug 20255310 PMAQI
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 PM

52AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM

52AQI

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

54AQI

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

54AQI

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. 54), while the lowest AQI was between 12 AM to 11 PM (Avg. 54).

2025 Days Vs Air Quality

Jangjae ri, Chonan, Chungnam, South Korea

2025

16%

34

78%

170

6%

13

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

Good
34 Days
Moderate
170 Days
Poor
13 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 16%

Health Risk Level:

Extreme

In 2025, 16% 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

Jangjae ri, Chonan, Chungnam, 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
75AQI
2nd January 2025
70AQI
3rd January 2025
63AQI
4th January 2025
65AQI
5th January 2025
68AQI
6th January 2025
85AQI
7th January 2025
61AQI
8th January 2025
69AQI
9th January 2025
44AQI
10th January 2025
63AQI
11th January 2025
70AQI
12th January 2025
91AQI
13th January 2025
94AQI
14th January 2025
97AQI
15th January 2025
58AQI
16th January 2025
71AQI
17th January 2025
90AQI
18th January 2025
95AQI
19th January 2025
93AQI
20th January 2025
127AQI
21st January 2025
141AQI
22nd January 2025
144AQI
23rd January 2025
123AQI
24th January 2025
128AQI
25th January 2025
86AQI
26th January 2025
63AQI
27th January 2025
63AQI
28th January 2025
57AQI
29th January 2025
56AQI
30th January 2025
61AQI
31st January 2025
82AQI
1st February 2025
90AQI
2nd February 2025
98AQI
3rd February 2025
59AQI
4th February 2025
51AQI
5th February 2025
49AQI
6th February 2025
55AQI
7th February 2025
47AQI
8th February 2025
47AQI
9th February 2025
57AQI
10th February 2025
66AQI
11th February 2025
85AQI
12th February 2025
74AQI
13th February 2025
53AQI
14th February 2025
86AQI
15th February 2025
60AQI
16th February 2025
116AQI
17th February 2025
53AQI
18th February 2025
59AQI
19th February 2025
52AQI
20th February 2025
57AQI
21st February 2025
59AQI
22nd February 2025
62AQI
23rd February 2025
56AQI
24th February 2025
59AQI
25th February 2025
59AQI
26th February 2025
74AQI
27th February 2025
64AQI
28th February 2025
82AQI
1st March 2025
94AQI
2nd March 2025
68AQI
3rd March 2025
52AQI
4th March 2025
41AQI
5th March 2025
42AQI
6th March 2025
77AQI
7th March 2025
95AQI
8th March 2025
86AQI
9th March 2025
109AQI
10th March 2025
109AQI
11th March 2025
108AQI
12th March 2025
93AQI
13th March 2025
95AQI
14th March 2025
85AQI
15th March 2025
57AQI
16th March 2025
73AQI
17th March 2025
65AQI
18th March 2025
78AQI
19th March 2025
88AQI
20th March 2025
90AQI
21st March 2025
93AQI
22nd March 2025
103AQI
23rd March 2025
112AQI
24th March 2025
102AQI
25th March 2025
119AQI
26th March 2025
90AQI
27th March 2025
85AQI
28th March 2025
57AQI
29th March 2025
51AQI
30th March 2025
52AQI
31st March 2025
61AQI
1st April 2025
76AQI
2nd April 2025
80AQI
3rd April 2025
84AQI
4th April 2025
88AQI
5th April 2025
67AQI
6th April 2025
65AQI
7th April 2025
68AQI
8th April 2025
72AQI
9th April 2025
69AQI
10th April 2025
72AQI
11th April 2025
85AQI
12th April 2025
61AQI
13th April 2025
60AQI
14th April 2025
45AQI
15th April 2025
58AQI
16th April 2025
59AQI
17th April 2025
68AQI
18th April 2025
79AQI
19th April 2025
49AQI
20th April 2025
65AQI
21st April 2025
57AQI
22nd April 2025
43AQI
23rd April 2025
41AQI
24th April 2025
62AQI
25th April 2025
59AQI
26th April 2025
54AQI
27th April 2025
43AQI
28th April 2025
65AQI
29th April 2025
70AQI
30th April 2025
65AQI
1st May 2025
61AQI
2nd May 2025
53AQI
3rd May 2025
50AQI
4th May 2025
50AQI
5th May 2025
49AQI
6th May 2025
46AQI
7th May 2025
54AQI
8th May 2025
68AQI
9th May 2025
51AQI
10th May 2025
54AQI
11th May 2025
65AQI
12th May 2025
70AQI
13th May 2025
72AQI
14th May 2025
75AQI
15th May 2025
60AQI
16th May 2025
50AQI
17th May 2025
40AQI
18th May 2025
58AQI
19th May 2025
64AQI
20th May 2025
55AQI
21st May 2025
53AQI
22nd May 2025
57AQI
23rd May 2025
62AQI
24th May 2025
46AQI
25th May 2025
53AQI
26th May 2025
63AQI
27th May 2025
80AQI
28th May 2025
78AQI
29th May 2025
81AQI
30th May 2025
83AQI
31st May 2025
86AQI
1st June 2025
95AQI
2nd June 2025
100AQI
3rd June 2025
76AQI
4th June 2025
68AQI
5th June 2025
59AQI
6th June 2025
68AQI
7th June 2025
75AQI
8th June 2025
66AQI
9th June 2025
65AQI
10th June 2025
58AQI
11th June 2025
57AQI
12th June 2025
63AQI
13th June 2025
68AQI
14th June 2025
56AQI
15th June 2025
61AQI
16th June 2025
61AQI
17th June 2025
64AQI
18th June 2025
67AQI
19th June 2025
68AQI
20th June 2025
55AQI
21st June 2025
52AQI
22nd June 2025
51AQI
23rd June 2025
57AQI
24th June 2025
54AQI
25th June 2025
47AQI
26th June 2025
53AQI
27th June 2025
60AQI
28th June 2025
59AQI
29th June 2025
53AQI
30th June 2025
49AQI
1st July 2025
50AQI
2nd July 2025
48AQI
3rd July 2025
51AQI
4th July 2025
48AQI
5th July 2025
47AQI
6th July 2025
53AQI
7th July 2025
59AQI
8th July 2025
61AQI
9th July 2025
53AQI
10th July 2025
53AQI
11th July 2025
55AQI
12th July 2025
54AQI
13th July 2025
61AQI
14th July 2025
60AQI
15th July 2025
49AQI
16th July 2025
53AQI
17th July 2025
42AQI
18th July 2025
46AQI
19th July 2025
37AQI
20th July 2025
44AQI
21st July 2025
43AQI
22nd July 2025
41AQI
23rd July 2025
49AQI
24th July 2025
55AQI
25th July 2025
58AQI
26th July 2025
50AQI
27th July 2025
45AQI
28th July 2025
60AQI
29th July 2025
64AQI
30th July 2025
59AQI
31st July 2025
57AQI
1st August 2025
56AQI
2nd August 2025
62AQI
3rd August 2025
61AQI
4th August 2025
52AQI
5th August 2025
53AQI

82AQI

65AQI

82AQI

64AQI

61AQI

63AQI

52AQI

57AQI

No. of days

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

202567AQI

1
25
5
3
24
1
2
22
7
5
25
7
24
2
28
14
17
5
34
170
13

Highest AQI recorded in

January

82AQI

Lowest AQI recorded in

July

52AQI

202463AQI

7
11
12
7
12
9
1
4
23
3
1
3
24
3
6
23
2
3
27
23
8
15
16
23
7
14
17
7
21
2
3
28
115
217
31
2

Highest AQI recorded in

January

88AQI

Lowest AQI recorded in

July

38AQI

202371AQI

4
17
7
3
15
9
4
2
12
14
3
3
21
5
1
6
24
1
8
22
17
14
14
17
16
14
10
21
10
17
2
8
14
8
1
98
208
46
12

Highest AQI recorded in

February

108AQI

Lowest AQI recorded in

July

48AQI

202277AQI

8
6
10
17
4
3
17
8
2
5
16
10
26
56
22
2

Highest AQI recorded in

November

90AQI

Lowest AQI recorded in

September

55AQI

Most & Least Polluted Years Over the Last 4 Years

Most Polluted Year Recorded
2022(Avg.)
77AQI
Least Polluted Year Recorded
2024(Avg.)
63AQI

Jangjae ri's annual 2025 AQI (67) shows an average percentage change of -4.07% (improved AQI) compared to previous years: 2022 (77), 2023 (71), 2024 (63).