Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Changjeon Dong, Ichon, Gyeonggi, 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

Changjeon Dong, Ichon, Gyeonggi, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
94AQI
Lowest AQI recorded on
9th Aug 2023
18AQI

Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 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: 2nd Aug - 3rd Aug 2025

Changjeon Dong, Ichon, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM2nd Aug 2025

7 PM

4 AM3rd Aug 2025

Day time
Avg. Highest Time
10AM2nd Aug

87AQI

Avg. Lowest Time
6AM2nd Aug

55AQI

Night time
Avg. Highest Time
9PM2nd Aug

60AQI

Avg. Lowest Time
3AM3rd Aug

56AQI

In the last 24 hours,

Changjeon Dong's AQI reached its highest point of 87 at 10 AM during the Day, while the lowest point, 55, was recorded at 6 AM during the Day between 2nd Aug and 3rd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Changjeon Dong, Ichon, Gyeonggi, South Korea

JulAug
04th - 05th05th - 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
Day
Night
4th Jul 2025525 AMAQI
4th Jul 2025526 AMAQI
4th Jul 2025527 AMAQI
4th Jul 2025518 AMAQI
4th Jul 2025589 AMAQI
4th Jul 20255610 AMAQI
4th Jul 20255611 AMAQI
4th Jul 20255712 PMAQI
4th Jul 2025561 PMAQI
4th Jul 2025562 PMAQI
4th Jul 2025563 PMAQI
4th Jul 2025484 PMAQI
4th Jul 2025575 PMAQI
4th Jul 2025526 PMAQI
4th Jul 2025577 PMAQI
4th Jul 2025548 PMAQI
4th Jul 2025529 PMAQI
4th Jul 20254910 PMAQI
4th Jul 20255311 PMAQI
5th Jul 20255312 AMAQI
5th Jul 2025521 AMAQI
5th Jul 2025522 AMAQI
5th Jul 2025523 AMAQI
5th Jul 2025524 AMAQI

25°C21/30°C

5th Jul 2025525 AMAQI
5th Jul 2025526 AMAQI
5th Jul 2025527 AMAQI
5th Jul 2025538 AMAQI
5th Jul 2025519 AMAQI
5th Jul 20255010 AMAQI
5th Jul 20254211 AMAQI
5th Jul 20254512 PMAQI
5th Jul 2025541 PMAQI
5th Jul 2025542 PMAQI
5th Jul 2025503 PMAQI
5th Jul 2025484 PMAQI
5th Jul 2025515 PMAQI
5th Jul 2025506 PMAQI
5th Jul 2025517 PMAQI
5th Jul 2025518 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255210 PMAQI
5th Jul 20255211 PMAQI
6th Jul 20255012 AMAQI
6th Jul 2025511 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
6th Jul 2025524 AMAQI

26°C22/33°C

6th Jul 2025525 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255410 AMAQI
6th Jul 20255611 AMAQI
6th Jul 20255812 PMAQI
6th Jul 2025611 PMAQI
6th Jul 2025632 PMAQI
6th Jul 2025613 PMAQI
6th Jul 2025604 PMAQI
6th Jul 2025585 PMAQI
6th Jul 2025616 PMAQI
6th Jul 2025627 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025579 PMAQI
6th Jul 20255710 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025531 AMAQI
7th Jul 2025522 AMAQI
7th Jul 2025523 AMAQI
7th Jul 2025524 AMAQI

27°C22/33°C

7th Jul 2025535 AMAQI
7th Jul 2025536 AMAQI
7th Jul 2025537 AMAQI
7th Jul 2025538 AMAQI
7th Jul 2025559 AMAQI
7th Jul 20255910 AMAQI
7th Jul 20257311 AMAQI
7th Jul 20257212 PMAQI
7th Jul 2025701 PMAQI
7th Jul 2025742 PMAQI
7th Jul 2025833 PMAQI
7th Jul 2025884 PMAQI
7th Jul 2025855 PMAQI
7th Jul 2025806 PMAQI
7th Jul 2025837 PMAQI
7th Jul 2025838 PMAQI
7th Jul 2025709 PMAQI
7th Jul 20257210 PMAQI
7th Jul 20257511 PMAQI
8th Jul 20257412 AMAQI
8th Jul 2025731 AMAQI
8th Jul 2025652 AMAQI
8th Jul 2025523 AMAQI
8th Jul 2025544 AMAQI

28°C23/34°C

8th Jul 2025565 AMAQI
8th Jul 2025566 AMAQI
8th Jul 2025567 AMAQI
8th Jul 2025568 AMAQI
8th Jul 2025789 AMAQI
8th Jul 20258810 AMAQI
8th Jul 20258011 AMAQI
8th Jul 20257312 PMAQI
8th Jul 2025731 PMAQI
8th Jul 2025722 PMAQI
8th Jul 2025723 PMAQI
8th Jul 2025724 PMAQI
8th Jul 2025745 PMAQI
8th Jul 2025736 PMAQI
8th Jul 2025717 PMAQI
8th Jul 2025708 PMAQI
8th Jul 2025649 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255711 PMAQI
9th Jul 20255712 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025602 AMAQI
9th Jul 2025603 AMAQI
9th Jul 2025624 AMAQI

29°C24/35°C

9th Jul 2025645 AMAQI
9th Jul 2025646 AMAQI
9th Jul 2025647 AMAQI
9th Jul 2025648 AMAQI
9th Jul 2025709 AMAQI
9th Jul 20257010 AMAQI
9th Jul 20256411 AMAQI
9th Jul 20256012 PMAQI
9th Jul 2025641 PMAQI
9th Jul 2025602 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025524 PMAQI
9th Jul 2025535 PMAQI
9th Jul 2025526 PMAQI
9th Jul 2025527 PMAQI
9th Jul 2025548 PMAQI
9th Jul 2025569 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20255811 PMAQI
10th Jul 20255912 AMAQI
10th Jul 2025591 AMAQI
10th Jul 2025602 AMAQI
10th Jul 2025603 AMAQI
10th Jul 2025604 AMAQI

29°C24/35°C

10th Jul 2025605 AMAQI
10th Jul 2025616 AMAQI
10th Jul 2025617 AMAQI
10th Jul 2025618 AMAQI
10th Jul 2025509 AMAQI
10th Jul 20253910 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20253512 PMAQI
10th Jul 2025351 PMAQI
10th Jul 2025382 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025374 PMAQI
10th Jul 2025365 PMAQI
10th Jul 2025386 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025438 PMAQI
10th Jul 2025539 PMAQI
10th Jul 20255310 PMAQI
10th Jul 20255311 PMAQI
11th Jul 20255412 AMAQI
11th Jul 2025561 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025574 AMAQI

27°C22/35°C

11th Jul 2025565 AMAQI
11th Jul 2025596 AMAQI
11th Jul 2025567 AMAQI
11th Jul 2025568 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20253010 AMAQI
11th Jul 20252911 AMAQI
11th Jul 20253012 PMAQI
11th Jul 2025341 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025333 PMAQI
11th Jul 2025314 PMAQI
11th Jul 2025325 PMAQI
11th Jul 2025346 PMAQI
11th Jul 2025337 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025489 PMAQI
11th Jul 20255210 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025541 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025564 AMAQI

25°C18/34°C

12th Jul 2025555 AMAQI
12th Jul 2025546 AMAQI
12th Jul 2025547 AMAQI
12th Jul 2025548 AMAQI
12th Jul 2025469 AMAQI
12th Jul 20253810 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252512 PMAQI
12th Jul 2025321 PMAQI
12th Jul 2025352 PMAQI
12th Jul 2025343 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025435 PMAQI
12th Jul 2025336 PMAQI
12th Jul 2025397 PMAQI
12th Jul 2025458 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025552 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025544 AMAQI

25°C18/33°C

13th Jul 2025525 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025538 AMAQI
13th Jul 2025539 AMAQI
13th Jul 20255710 AMAQI
13th Jul 20256211 AMAQI
13th Jul 20256412 PMAQI
13th Jul 2025661 PMAQI
13th Jul 2025652 PMAQI
13th Jul 2025643 PMAQI
13th Jul 2025664 PMAQI
13th Jul 2025655 PMAQI
13th Jul 2025716 PMAQI
13th Jul 2025727 PMAQI
13th Jul 2025748 PMAQI
13th Jul 2025669 PMAQI
13th Jul 20256610 PMAQI
13th Jul 20256211 PMAQI
14th Jul 20256512 AMAQI
14th Jul 2025541 AMAQI
14th Jul 2025542 AMAQI
14th Jul 2025543 AMAQI
14th Jul 2025544 AMAQI

24°C19/29°C

14th Jul 2025555 AMAQI
14th Jul 2025556 AMAQI
14th Jul 2025557 AMAQI
14th Jul 2025558 AMAQI
14th Jul 2025589 AMAQI
14th Jul 20255910 AMAQI
14th Jul 20255911 AMAQI
14th Jul 20255912 PMAQI
14th Jul 2025581 PMAQI
14th Jul 2025462 PMAQI
14th Jul 2025323 PMAQI
14th Jul 2025264 PMAQI
14th Jul 2025225 PMAQI
14th Jul 2025246 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025408 PMAQI
14th Jul 2025499 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20255011 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025551 AMAQI
15th Jul 2025562 AMAQI
15th Jul 2025553 AMAQI
15th Jul 2025554 AMAQI

22°C19/27°C

15th Jul 2025565 AMAQI
15th Jul 2025556 AMAQI
15th Jul 2025557 AMAQI
15th Jul 2025558 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20252810 AMAQI
15th Jul 20251911 AMAQI
15th Jul 20251912 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025273 PMAQI
15th Jul 2025294 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025336 PMAQI
15th Jul 2025297 PMAQI
15th Jul 2025338 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254411 PMAQI
16th Jul 20254912 AMAQI
16th Jul 2025541 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025543 AMAQI
16th Jul 2025544 AMAQI

21°C19/23°C

16th Jul 2025525 AMAQI
16th Jul 2025526 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025528 AMAQI
16th Jul 2025559 AMAQI
16th Jul 20255810 AMAQI
16th Jul 20255811 AMAQI
16th Jul 20255812 PMAQI
16th Jul 2025571 PMAQI
16th Jul 2025572 PMAQI
16th Jul 2025573 PMAQI
16th Jul 2025564 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025566 PMAQI
16th Jul 2025527 PMAQI
16th Jul 2025498 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20255111 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025532 AMAQI
17th Jul 2025533 AMAQI
17th Jul 2025544 AMAQI

21°C19/25°C

17th Jul 2025545 AMAQI
17th Jul 2025546 AMAQI
17th Jul 2025547 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20251710 AMAQI
17th Jul 20251611 AMAQI
17th Jul 20251612 PMAQI
17th Jul 2025201 PMAQI
17th Jul 2025182 PMAQI
17th Jul 2025223 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025235 PMAQI
17th Jul 2025246 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025398 PMAQI
17th Jul 2025469 PMAQI
17th Jul 20254510 PMAQI
17th Jul 20254411 PMAQI
18th Jul 20254312 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025522 AMAQI
18th Jul 2025533 AMAQI
18th Jul 2025514 AMAQI

22°C20/24°C

18th Jul 2025495 AMAQI
18th Jul 2025486 AMAQI
18th Jul 2025507 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253910 AMAQI
18th Jul 20254611 AMAQI
18th Jul 20254612 PMAQI
18th Jul 2025381 PMAQI
18th Jul 2025462 PMAQI
18th Jul 2025403 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025325 PMAQI
18th Jul 2025306 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025398 PMAQI
18th Jul 2025429 PMAQI
18th Jul 20254110 PMAQI
18th Jul 20254211 PMAQI
19th Jul 20254412 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025513 AMAQI
19th Jul 2025494 AMAQI

23°C21/28°C

19th Jul 2025485 AMAQI
19th Jul 2025496 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251210 AMAQI
19th Jul 20251311 AMAQI
19th Jul 20251312 PMAQI
19th Jul 2025171 PMAQI
19th Jul 2025182 PMAQI
19th Jul 2025193 PMAQI
19th Jul 2025214 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025166 PMAQI
19th Jul 2025187 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025389 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025461 AMAQI
20th Jul 2025492 AMAQI
20th Jul 2025493 AMAQI
20th Jul 2025454 AMAQI

24°C22/27°C

20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025309 AMAQI
20th Jul 20252310 AMAQI
20th Jul 20252111 AMAQI
20th Jul 20253212 PMAQI
20th Jul 2025341 PMAQI
20th Jul 2025342 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025345 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253711 PMAQI
21st Jul 20253712 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025442 AMAQI
21st Jul 2025443 AMAQI
21st Jul 2025424 AMAQI

27°C23/32°C

21st Jul 2025415 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025427 AMAQI
21st Jul 2025418 AMAQI
21st Jul 2025349 AMAQI
21st Jul 20253510 AMAQI
21st Jul 20253911 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025322 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025275 PMAQI
21st Jul 2025446 PMAQI
21st Jul 2025437 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253211 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025421 AMAQI
22nd Jul 2025422 AMAQI
22nd Jul 2025433 AMAQI
22nd Jul 2025424 AMAQI

27°C23/31°C

22nd Jul 2025435 AMAQI
22nd Jul 2025436 AMAQI
22nd Jul 2025427 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20254210 AMAQI
22nd Jul 20254011 AMAQI
22nd Jul 20254412 PMAQI
22nd Jul 2025391 PMAQI
22nd Jul 2025412 PMAQI
22nd Jul 2025463 PMAQI
22nd Jul 2025504 PMAQI
22nd Jul 2025505 PMAQI
22nd Jul 2025546 PMAQI
22nd Jul 2025517 PMAQI
22nd Jul 2025478 PMAQI
22nd Jul 2025489 PMAQI
22nd Jul 20254710 PMAQI
22nd Jul 20255011 PMAQI
23rd Jul 20254612 AMAQI
23rd Jul 2025481 AMAQI
23rd Jul 2025462 AMAQI
23rd Jul 2025423 AMAQI
23rd Jul 2025424 AMAQI

27°C23/31°C

23rd Jul 2025425 AMAQI
23rd Jul 2025426 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025428 AMAQI
23rd Jul 2025549 AMAQI
23rd Jul 20256410 AMAQI
23rd Jul 20256211 AMAQI
23rd Jul 20255912 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025582 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025624 PMAQI
23rd Jul 2025595 PMAQI
23rd Jul 2025556 PMAQI
23rd Jul 2025587 PMAQI
23rd Jul 2025618 PMAQI
23rd Jul 2025559 PMAQI
23rd Jul 20255910 PMAQI
23rd Jul 20255711 PMAQI
24th Jul 20255412 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025442 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025464 AMAQI

27°C23/32°C

24th Jul 2025485 AMAQI
24th Jul 2025506 AMAQI
24th Jul 2025487 AMAQI
24th Jul 2025498 AMAQI
24th Jul 2025619 AMAQI
24th Jul 20256410 AMAQI
24th Jul 20257011 AMAQI
24th Jul 20257012 PMAQI
24th Jul 2025681 PMAQI
24th Jul 2025632 PMAQI
24th Jul 2025663 PMAQI
24th Jul 2025684 PMAQI
24th Jul 2025615 PMAQI
24th Jul 2025586 PMAQI
24th Jul 2025637 PMAQI
24th Jul 2025588 PMAQI
24th Jul 2025559 PMAQI
24th Jul 20255810 PMAQI
24th Jul 20256111 PMAQI
25th Jul 20256212 AMAQI
25th Jul 2025601 AMAQI
25th Jul 2025552 AMAQI
25th Jul 2025483 AMAQI
25th Jul 2025504 AMAQI

27°C23/33°C

25th Jul 2025535 AMAQI
25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025538 AMAQI
25th Jul 2025679 AMAQI
25th Jul 20257710 AMAQI
25th Jul 20257411 AMAQI
25th Jul 20257412 PMAQI
25th Jul 2025721 PMAQI
25th Jul 2025722 PMAQI
25th Jul 2025693 PMAQI
25th Jul 2025604 PMAQI
25th Jul 2025615 PMAQI
25th Jul 2025646 PMAQI
25th Jul 2025627 PMAQI
25th Jul 2025598 PMAQI
25th Jul 2025589 PMAQI
25th Jul 20255610 PMAQI
25th Jul 20255811 PMAQI
26th Jul 20256012 AMAQI
26th Jul 2025541 AMAQI
26th Jul 2025542 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025554 AMAQI

28°C23/34°C

26th Jul 2025575 AMAQI
26th Jul 2025576 AMAQI
26th Jul 2025587 AMAQI
26th Jul 2025578 AMAQI
26th Jul 2025589 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025341 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025453 PMAQI
26th Jul 2025404 PMAQI
26th Jul 2025415 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254711 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025551 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025554 AMAQI

29°C24/34°C

27th Jul 2025545 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025547 AMAQI
27th Jul 2025548 AMAQI
27th Jul 2025509 AMAQI
27th Jul 20253410 AMAQI
27th Jul 20253911 AMAQI
27th Jul 20253512 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025263 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025308 PMAQI
27th Jul 2025449 PMAQI
27th Jul 20254610 PMAQI
27th Jul 20254711 PMAQI
28th Jul 20254812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025542 AMAQI
28th Jul 2025543 AMAQI
28th Jul 2025534 AMAQI

29°C24/34°C

28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025528 AMAQI
28th Jul 2025579 AMAQI
28th Jul 20256210 AMAQI
28th Jul 20256811 AMAQI
28th Jul 20257512 PMAQI
28th Jul 2025721 PMAQI
28th Jul 2025712 PMAQI
28th Jul 2025643 PMAQI
28th Jul 2025664 PMAQI
28th Jul 2025685 PMAQI
28th Jul 2025736 PMAQI
28th Jul 2025727 PMAQI
28th Jul 2025708 PMAQI
28th Jul 2025639 PMAQI
28th Jul 20256410 PMAQI
28th Jul 20256611 PMAQI
29th Jul 20256512 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025522 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025534 AMAQI

29°C25/35°C

29th Jul 2025555 AMAQI
29th Jul 2025556 AMAQI
29th Jul 2025557 AMAQI
29th Jul 2025558 AMAQI
29th Jul 2025809 AMAQI
29th Jul 20258410 AMAQI
29th Jul 20259311 AMAQI
29th Jul 20259412 PMAQI
29th Jul 2025941 PMAQI
29th Jul 2025882 PMAQI
29th Jul 2025763 PMAQI
29th Jul 2025704 PMAQI
29th Jul 2025655 PMAQI
29th Jul 2025606 PMAQI
29th Jul 2025597 PMAQI
29th Jul 2025588 PMAQI
29th Jul 2025619 PMAQI
29th Jul 20256310 PMAQI
29th Jul 20256311 PMAQI
30th Jul 20256212 AMAQI
30th Jul 2025551 AMAQI
30th Jul 2025542 AMAQI
30th Jul 2025553 AMAQI
30th Jul 2025584 AMAQI

29°C24/35°C

30th Jul 2025625 AMAQI
30th Jul 2025616 AMAQI
30th Jul 2025627 AMAQI
30th Jul 2025618 AMAQI
30th Jul 2025649 AMAQI
30th Jul 20256110 AMAQI
30th Jul 20256011 AMAQI
30th Jul 20256712 PMAQI
30th Jul 2025631 PMAQI
30th Jul 2025632 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025544 PMAQI
30th Jul 2025565 PMAQI
30th Jul 2025516 PMAQI
30th Jul 2025477 PMAQI
30th Jul 2025488 PMAQI
30th Jul 2025539 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255812 AMAQI
31st Jul 2025581 AMAQI
31st Jul 2025582 AMAQI
31st Jul 2025583 AMAQI
31st Jul 2025584 AMAQI

29°C24/34°C

31st Jul 2025585 AMAQI
31st Jul 2025586 AMAQI
31st Jul 2025587 AMAQI
31st Jul 2025588 AMAQI
31st Jul 2025589 AMAQI
31st Jul 20255810 AMAQI
31st Jul 20256611 AMAQI
31st Jul 20256812 PMAQI
31st Jul 2025621 PMAQI
31st Jul 2025572 PMAQI
31st Jul 2025573 PMAQI
31st Jul 2025564 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025526 PMAQI
31st Jul 2025547 PMAQI
31st Jul 2025558 PMAQI
31st Jul 2025549 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025542 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025564 AMAQI

28°C24/32°C

1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025557 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025549 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20256011 AMAQI
1st Aug 20255612 PMAQI
1st Aug 2025581 PMAQI
1st Aug 2025612 PMAQI
1st Aug 2025603 PMAQI
1st Aug 2025644 PMAQI
1st Aug 2025665 PMAQI
1st Aug 2025636 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025598 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256410 PMAQI
1st Aug 20256311 PMAQI
2nd Aug 20255912 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025542 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI

28°C24/33°C

2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025829 AMAQI
2nd Aug 20258710 AMAQI
2nd Aug 20257011 AMAQI
2nd Aug 20258112 PMAQI
2nd Aug 2025861 PMAQI
2nd Aug 2025592 PMAQI
2nd Aug 2025653 PMAQI
2nd Aug 2025644 PMAQI
2nd Aug 2025645 PMAQI
2nd Aug 2025686 PMAQI
2nd Aug 2025657 PMAQI
2nd Aug 2025598 PMAQI
2nd Aug 2025609 PMAQI
2nd Aug 20256010 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025561 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025584 AMAQI

28°C24/34°C

3rd Aug 2025595 AMAQI
5 AM
3rd Aug 2025586 AMAQI
3rd Aug 2025597 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025649 AMAQI
3rd Aug 20256310 AMAQI
3rd Aug 20256511 AMAQI
3rd Aug 20256412 PMAQI
12 PM
3rd Aug 2025691 PMAQI
3rd Aug 2025692 PMAQI
7 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 7 PM

51AQI

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

51AQI

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. 51), while the lowest AQI was between 5 AM to 7 PM (Avg. 51).
Night time
Avg. Highest Time
12 AM - 11 PM

53AQI

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

53AQI

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. 53), while the lowest AQI was between 12 AM to 11 PM (Avg. 53).

2025 Days Vs Air Quality

Changjeon Dong, Ichon, Gyeonggi, South Korea

2025

20%

42

71%

152

9%

19

0.4%

1

Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)

Good
42 Days
Moderate
152 Days
Poor
19 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 20%

Health Risk Level:

Very high

In 2025, 20% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights

Changjeon Dong, Ichon, Gyeonggi, 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
77AQI
2nd January 2025
69AQI
3rd January 2025
60AQI
4th January 2025
62AQI
5th January 2025
74AQI
6th January 2025
102AQI
7th January 2025
57AQI
8th January 2025
75AQI
9th January 2025
42AQI
10th January 2025
65AQI
11th January 2025
63AQI
12th January 2025
85AQI
13th January 2025
111AQI
14th January 2025
108AQI
15th January 2025
61AQI
16th January 2025
82AQI
17th January 2025
94AQI
18th January 2025
107AQI
19th January 2025
115AQI
20th January 2025
141AQI
21st January 2025
155AQI
22nd January 2025
150AQI
23rd January 2025
135AQI
24th January 2025
114AQI
25th January 2025
78AQI
26th January 2025
59AQI
27th January 2025
68AQI
28th January 2025
57AQI
29th January 2025
60AQI
30th January 2025
54AQI
31st January 2025
73AQI
1st February 2025
72AQI
2nd February 2025
77AQI
3rd February 2025
52AQI
4th February 2025
51AQI
5th February 2025
44AQI
6th February 2025
55AQI
7th February 2025
49AQI
8th February 2025
47AQI
9th February 2025
55AQI
10th February 2025
62AQI
11th February 2025
77AQI
12th February 2025
82AQI
13th February 2025
51AQI
14th February 2025
92AQI
15th February 2025
58AQI
16th February 2025
124AQI
17th February 2025
50AQI
18th February 2025
66AQI
19th February 2025
50AQI
20th February 2025
58AQI
21st February 2025
54AQI
22nd February 2025
57AQI
23rd February 2025
54AQI
24th February 2025
58AQI
25th February 2025
63AQI
26th February 2025
74AQI
27th February 2025
60AQI
28th February 2025
91AQI
1st March 2025
103AQI
2nd March 2025
81AQI
3rd March 2025
57AQI
4th March 2025
49AQI
5th March 2025
37AQI
6th March 2025
67AQI
7th March 2025
91AQI
8th March 2025
82AQI
9th March 2025
101AQI
10th March 2025
105AQI
11th March 2025
114AQI
12th March 2025
103AQI
13th March 2025
94AQI
14th March 2025
82AQI
15th March 2025
53AQI
16th March 2025
73AQI
17th March 2025
61AQI
18th March 2025
60AQI
19th March 2025
76AQI
20th March 2025
87AQI
21st March 2025
98AQI
22nd March 2025
105AQI
23rd March 2025
109AQI
24th March 2025
119AQI
25th March 2025
131AQI
26th March 2025
92AQI
27th March 2025
92AQI
28th March 2025
66AQI
29th March 2025
48AQI
30th March 2025
44AQI
31st March 2025
59AQI
1st April 2025
74AQI
2nd April 2025
77AQI
3rd April 2025
75AQI
4th April 2025
82AQI
5th April 2025
74AQI
6th April 2025
69AQI
7th April 2025
72AQI
8th April 2025
77AQI
9th April 2025
70AQI
10th April 2025
75AQI
11th April 2025
78AQI
12th April 2025
66AQI
13th April 2025
61AQI
14th April 2025
49AQI
15th April 2025
53AQI
16th April 2025
64AQI
17th April 2025
64AQI
18th April 2025
81AQI
19th April 2025
57AQI
20th April 2025
56AQI
21st April 2025
51AQI
22nd April 2025
44AQI
23rd April 2025
34AQI
24th April 2025
59AQI
25th April 2025
62AQI
26th April 2025
55AQI
27th April 2025
43AQI
28th April 2025
56AQI
29th April 2025
66AQI
30th April 2025
61AQI
1st May 2025
57AQI
2nd May 2025
47AQI
3rd May 2025
48AQI
4th May 2025
48AQI
5th May 2025
53AQI
6th May 2025
38AQI
7th May 2025
55AQI
8th May 2025
65AQI
9th May 2025
52AQI
10th May 2025
53AQI
11th May 2025
68AQI
12th May 2025
71AQI
13th May 2025
73AQI
14th May 2025
74AQI
15th May 2025
61AQI
16th May 2025
59AQI
17th May 2025
42AQI
18th May 2025
58AQI
19th May 2025
60AQI
20th May 2025
50AQI
21st May 2025
51AQI
22nd May 2025
49AQI
23rd May 2025
61AQI
24th May 2025
42AQI
25th May 2025
49AQI
26th May 2025
58AQI
27th May 2025
81AQI
28th May 2025
88AQI
29th May 2025
77AQI
30th May 2025
62AQI
31st May 2025
68AQI
1st June 2025
85AQI
2nd June 2025
95AQI
3rd June 2025
81AQI
4th June 2025
57AQI
5th June 2025
60AQI
6th June 2025
61AQI
7th June 2025
72AQI
8th June 2025
62AQI
9th June 2025
66AQI
10th June 2025
56AQI
11th June 2025
55AQI
12th June 2025
58AQI
13th June 2025
73AQI
14th June 2025
50AQI
15th June 2025
59AQI
16th June 2025
63AQI
17th June 2025
62AQI
18th June 2025
70AQI
19th June 2025
67AQI
20th June 2025
45AQI
21st June 2025
55AQI
22nd June 2025
68AQI
23rd June 2025
66AQI
24th June 2025
58AQI
25th June 2025
49AQI
26th June 2025
54AQI
27th June 2025
73AQI
28th June 2025
66AQI
29th June 2025
51AQI
30th June 2025
47AQI
1st July 2025
44AQI
2nd July 2025
40AQI
3rd July 2025
53AQI
4th July 2025
53AQI
5th July 2025
51AQI
6th July 2025
55AQI
7th July 2025
66AQI
8th July 2025
67AQI
9th July 2025
59AQI
10th July 2025
49AQI
11th July 2025
45AQI
12th July 2025
46AQI
13th July 2025
61AQI
14th July 2025
48AQI
15th July 2025
41AQI
16th July 2025
54AQI
17th July 2025
38AQI
18th July 2025
43AQI
19th July 2025
33AQI
20th July 2025
37AQI
21st July 2025
38AQI
22nd July 2025
44AQI
23rd July 2025
53AQI
24th July 2025
56AQI
25th July 2025
60AQI
26th July 2025
48AQI
27th July 2025
42AQI
28th July 2025
62AQI
29th July 2025
65AQI
30th July 2025
57AQI
31st July 2025
57AQI
1st August 2025
58AQI
2nd August 2025
56AQI

86AQI

64AQI

82AQI

64AQI

59AQI

63AQI

50AQI

57AQI

No. of days

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

202567AQI

1
20
9
1
5
22
1
4
18
9
4
26
9
22
4
26
15
16
2
42
152
19
1

Highest AQI recorded in

January

86AQI

Lowest AQI recorded in

July

50AQI

202461AQI

10
13
8
12
13
4
8
20
3
4
23
3
13
17
1
6
24
21
9
1
17
14
24
6
15
16
6
23
1
4
26
1
140
204
22

Highest AQI recorded in

January

75AQI

Lowest AQI recorded in

September

41AQI

202368AQI

6
16
6
3
1
20
5
2
5
14
12
2
24
3
1
7
24
4
26
15
14
2
15
16
18
12
14
14
3
13
12
4
11
12
8
111
204
43
6

Highest AQI recorded in

February

89AQI

Lowest AQI recorded in

August

49AQI

202269AQI

4
20
5
2
6
9
5
1
8
17
6
3
13
1
8
21
2
14
16
4
17
1
19
9
1
14
13
4
5
16
8
1
9
14
7
1
95
165
39
5

Highest AQI recorded in

November

84AQI

Lowest AQI recorded in

August

25AQI

202166AQI

11
13
6
1
7
13
8
5
14
10
2
9
19
2
9
18
2
1
1
4
24
2
17
14
16
14
26
4
11
19
1
7
15
6
2
10
13
8
132
180
45
5
1
1

Highest AQI recorded in

March

88AQI

Lowest AQI recorded in

September

37AQI

202064AQI

3
8
2
3
17
1
4
13
1
3
25
2
20
11
21
10
20
9
13
14
4
11
11
6
2
10
11
8
2
108
129
24
4

Highest AQI recorded in

December

84AQI

Lowest AQI recorded in

September

43AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2022(Avg.)
69AQI
Least Polluted Year Recorded
2024(Avg.)
61AQI

Changjeon Dong's annual 2025 AQI (67) shows an average percentage change of 2.05% (worsened AQI) compared to previous years: 2020 (64), 2021 (66), 2022 (69), 2023 (68), 2024 (61).