Part Dong, Osan, 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
Part Dong, Osan, Gyeonggi, South Korea
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
91AQILowest AQI recorded on
24th Aug 2021
17AQISame 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
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Part Dong, Osan, Gyeonggi, South Korea
AQI
Day
Night
.
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
12PM2nd Aug
86AQI
Avg. Lowest Time
3PM2nd Aug
51AQI
Night time
Avg. Highest Time
11PM2nd Aug
60AQI
Avg. Lowest Time
1AM3rd Aug
55AQI
In the last 24 hours,
Part Dong's AQI reached its highest point of 86 at 12 PM during the Day, while the lowest point, 51, was recorded at 3 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Part Dong, Osan, 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 2025535 AMAQI
4th Jul 2025536 AMAQI
4th Jul 2025547 AMAQI
4th Jul 2025538 AMAQI
4th Jul 2025589 AMAQI
4th Jul 20255610 AMAQI
4th Jul 20256011 AMAQI
4th Jul 20255912 PMAQI
4th Jul 2025631 PMAQI
4th Jul 2025552 PMAQI
4th Jul 2025553 PMAQI
4th Jul 2025554 PMAQI
4th Jul 2025555 PMAQI
4th Jul 2025526 PMAQI
4th Jul 2025537 PMAQI
4th Jul 2025548 PMAQI
4th Jul 2025549 PMAQI
4th Jul 20255310 PMAQI
4th Jul 20255411 PMAQI
5th Jul 20255412 AMAQI
5th Jul 2025531 AMAQI
5th Jul 2025522 AMAQI
5th Jul 2025523 AMAQI
5th Jul 2025524 AMAQI
26°C22/30°C
5th Jul 2025535 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025538 AMAQI
5th Jul 2025459 AMAQI
5th Jul 20254410 AMAQI
5th Jul 20254711 AMAQI
5th Jul 20255312 PMAQI
5th Jul 2025461 PMAQI
5th Jul 2025552 PMAQI
5th Jul 2025523 PMAQI
5th Jul 2025524 PMAQI
5th Jul 2025525 PMAQI
5th Jul 2025526 PMAQI
5th Jul 2025527 PMAQI
5th Jul 2025508 PMAQI
5th Jul 2025539 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255611 PMAQI
6th Jul 20255512 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025522 AMAQI
6th Jul 2025523 AMAQI
6th Jul 2025524 AMAQI
27°C22/32°C
6th Jul 2025525 AMAQI
6th Jul 2025526 AMAQI
6th Jul 2025527 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025569 AMAQI
6th Jul 20256010 AMAQI
6th Jul 20255911 AMAQI
6th Jul 20256512 PMAQI
6th Jul 2025651 PMAQI
6th Jul 2025642 PMAQI
6th Jul 2025623 PMAQI
6th Jul 2025644 PMAQI
6th Jul 2025615 PMAQI
6th Jul 2025626 PMAQI
6th Jul 2025617 PMAQI
6th Jul 2025618 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255511 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025521 AMAQI
7th Jul 2025532 AMAQI
7th Jul 2025533 AMAQI
7th Jul 2025534 AMAQI
27°C23/33°C
7th Jul 2025545 AMAQI
7th Jul 2025546 AMAQI
7th Jul 2025547 AMAQI
7th Jul 2025548 AMAQI
7th Jul 2025759 AMAQI
7th Jul 20256610 AMAQI
7th Jul 20259211 AMAQI
7th Jul 20258212 PMAQI
7th Jul 2025811 PMAQI
7th Jul 2025842 PMAQI
7th Jul 2025963 PMAQI
7th Jul 2025944 PMAQI
7th Jul 2025885 PMAQI
7th Jul 2025936 PMAQI
7th Jul 20251017 PMAQI
7th Jul 2025878 PMAQI
7th Jul 2025719 PMAQI
7th Jul 20257010 PMAQI
7th Jul 20257011 PMAQI
8th Jul 20257012 AMAQI
8th Jul 2025681 AMAQI
8th Jul 2025622 AMAQI
8th Jul 2025533 AMAQI
8th Jul 2025554 AMAQI
28°C24/33°C
8th Jul 2025585 AMAQI
8th Jul 2025586 AMAQI
8th Jul 2025587 AMAQI
8th Jul 2025588 AMAQI
8th Jul 2025909 AMAQI
8th Jul 20259410 AMAQI
8th Jul 20259411 AMAQI
8th Jul 20259012 PMAQI
8th Jul 2025871 PMAQI
8th Jul 2025862 PMAQI
8th Jul 2025853 PMAQI
8th Jul 2025854 PMAQI
8th Jul 2025885 PMAQI
8th Jul 2025886 PMAQI
8th Jul 2025887 PMAQI
8th Jul 2025838 PMAQI
8th Jul 2025719 PMAQI
8th Jul 20255810 PMAQI
8th Jul 20255711 PMAQI
9th Jul 20256012 AMAQI
9th Jul 2025591 AMAQI
9th Jul 2025602 AMAQI
9th Jul 2025593 AMAQI
9th Jul 2025624 AMAQI
29°C24/36°C
9th Jul 2025665 AMAQI
9th Jul 2025656 AMAQI
9th Jul 2025657 AMAQI
9th Jul 2025658 AMAQI
9th Jul 2025619 AMAQI
9th Jul 20256010 AMAQI
9th Jul 20256011 AMAQI
9th Jul 20256112 PMAQI
9th Jul 2025621 PMAQI
9th Jul 2025602 PMAQI
9th Jul 2025573 PMAQI
9th Jul 2025544 PMAQI
9th Jul 2025545 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025537 PMAQI
9th Jul 2025558 PMAQI
9th Jul 2025579 PMAQI
9th Jul 20255810 PMAQI
9th Jul 20255911 PMAQI
10th Jul 20256012 AMAQI
10th Jul 2025611 AMAQI
10th Jul 2025612 AMAQI
10th Jul 2025613 AMAQI
10th Jul 2025614 AMAQI
30°C25/35°C
10th Jul 2025615 AMAQI
10th Jul 2025616 AMAQI
10th Jul 2025617 AMAQI
10th Jul 2025608 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254110 AMAQI
10th Jul 20254111 AMAQI
10th Jul 20254012 PMAQI
10th Jul 2025421 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025473 PMAQI
10th Jul 2025474 PMAQI
10th Jul 2025485 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025468 PMAQI
10th Jul 2025569 PMAQI
10th Jul 20255910 PMAQI
10th Jul 20255811 PMAQI
11th Jul 20255612 AMAQI
11th Jul 2025591 AMAQI
11th Jul 2025582 AMAQI
11th Jul 2025583 AMAQI
11th Jul 2025584 AMAQI
28°C23/34°C
11th Jul 2025565 AMAQI
11th Jul 2025586 AMAQI
11th Jul 2025577 AMAQI
11th Jul 2025578 AMAQI
11th Jul 2025459 AMAQI
11th Jul 20253810 AMAQI
11th Jul 20253211 AMAQI
11th Jul 20253412 PMAQI
11th Jul 2025421 PMAQI
11th Jul 2025422 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025457 PMAQI
11th Jul 2025498 PMAQI
11th Jul 2025529 PMAQI
11th Jul 20255410 PMAQI
11th Jul 20255411 PMAQI
12th Jul 20255412 AMAQI
12th Jul 2025551 AMAQI
12th Jul 2025582 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025564 AMAQI
27°C21/34°C
12th Jul 2025555 AMAQI
12th Jul 2025556 AMAQI
12th Jul 2025557 AMAQI
12th Jul 2025568 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20253610 AMAQI
12th Jul 20253611 AMAQI
12th Jul 20253412 PMAQI
12th Jul 2025361 PMAQI
12th Jul 2025342 PMAQI
12th Jul 2025323 PMAQI
12th Jul 2025364 PMAQI
12th Jul 2025475 PMAQI
12th Jul 2025326 PMAQI
12th Jul 2025387 PMAQI
12th Jul 2025438 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20255410 PMAQI
12th Jul 20255711 PMAQI
13th Jul 20255912 AMAQI
13th Jul 2025581 AMAQI
13th Jul 2025562 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI
27°C20/33°C
13th Jul 2025545 AMAQI
13th Jul 2025536 AMAQI
13th Jul 2025537 AMAQI
13th Jul 2025548 AMAQI
13th Jul 2025629 AMAQI
13th Jul 20257110 AMAQI
13th Jul 20257011 AMAQI
13th Jul 20257112 PMAQI
13th Jul 2025781 PMAQI
13th Jul 2025732 PMAQI
13th Jul 2025763 PMAQI
13th Jul 2025764 PMAQI
13th Jul 2025695 PMAQI
13th Jul 2025726 PMAQI
13th Jul 2025757 PMAQI
13th Jul 2025798 PMAQI
13th Jul 2025679 PMAQI
13th Jul 20257010 PMAQI
13th Jul 20257411 PMAQI
14th Jul 20256912 AMAQI
14th Jul 2025551 AMAQI
14th Jul 2025562 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025574 AMAQI
24°C21/29°C
14th Jul 2025585 AMAQI
14th Jul 2025586 AMAQI
14th Jul 2025587 AMAQI
14th Jul 2025588 AMAQI
14th Jul 2025779 AMAQI
14th Jul 20258710 AMAQI
14th Jul 20258611 AMAQI
14th Jul 20259012 PMAQI
14th Jul 2025871 PMAQI
14th Jul 2025892 PMAQI
14th Jul 2025863 PMAQI
14th Jul 2025714 PMAQI
14th Jul 2025495 PMAQI
14th Jul 2025356 PMAQI
14th Jul 2025327 PMAQI
14th Jul 2025408 PMAQI
14th Jul 2025529 PMAQI
14th Jul 20255210 PMAQI
14th Jul 20255211 PMAQI
15th Jul 20255012 AMAQI
15th Jul 2025561 AMAQI
15th Jul 2025572 AMAQI
15th Jul 2025583 AMAQI
15th Jul 2025604 AMAQI
23°C20/27°C
15th Jul 2025625 AMAQI
15th Jul 2025626 AMAQI
15th Jul 2025627 AMAQI
15th Jul 2025628 AMAQI
15th Jul 2025289 AMAQI
15th Jul 20251610 AMAQI
15th Jul 20251611 AMAQI
15th Jul 20251812 PMAQI
15th Jul 2025251 PMAQI
15th Jul 2025242 PMAQI
15th Jul 2025303 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025235 PMAQI
15th Jul 2025276 PMAQI
15th Jul 2025307 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025509 PMAQI
15th Jul 20255110 PMAQI
15th Jul 20255111 PMAQI
16th Jul 20255312 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025572 AMAQI
16th Jul 2025573 AMAQI
16th Jul 2025564 AMAQI
22°C20/24°C
16th Jul 2025545 AMAQI
16th Jul 2025546 AMAQI
16th Jul 2025547 AMAQI
16th Jul 2025548 AMAQI
16th Jul 2025599 AMAQI
16th Jul 20256210 AMAQI
16th Jul 20256411 AMAQI
16th Jul 20256312 PMAQI
16th Jul 2025601 PMAQI
16th Jul 2025472 PMAQI
16th Jul 2025463 PMAQI
16th Jul 2025544 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025446 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025479 PMAQI
16th Jul 20254910 PMAQI
16th Jul 20255011 PMAQI
17th Jul 20255212 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025553 AMAQI
17th Jul 2025554 AMAQI
22°C20/24°C
17th Jul 2025565 AMAQI
17th Jul 2025566 AMAQI
17th Jul 2025557 AMAQI
17th Jul 2025568 AMAQI
17th Jul 2025259 AMAQI
17th Jul 20251510 AMAQI
17th Jul 20251411 AMAQI
17th Jul 20251412 PMAQI
17th Jul 2025211 PMAQI
17th Jul 2025182 PMAQI
17th Jul 2025213 PMAQI
17th Jul 2025214 PMAQI
17th Jul 2025205 PMAQI
17th Jul 2025216 PMAQI
17th Jul 2025217 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025439 PMAQI
17th Jul 20254210 PMAQI
17th Jul 20254011 PMAQI
18th Jul 20254112 AMAQI
18th Jul 2025491 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025553 AMAQI
18th Jul 2025544 AMAQI
23°C21/26°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025528 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252010 AMAQI
18th Jul 20251911 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025281 PMAQI
18th Jul 2025282 PMAQI
18th Jul 2025343 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025388 PMAQI
18th Jul 2025449 PMAQI
18th Jul 20254410 PMAQI
18th Jul 20254611 PMAQI
19th Jul 20255012 AMAQI
19th Jul 2025521 AMAQI
19th Jul 2025522 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025504 AMAQI
23°C22/27°C
19th Jul 2025485 AMAQI
19th Jul 2025496 AMAQI
19th Jul 2025487 AMAQI
19th Jul 2025488 AMAQI
19th Jul 2025229 AMAQI
19th Jul 20251310 AMAQI
19th Jul 20251211 AMAQI
19th Jul 20251412 PMAQI
19th Jul 2025171 PMAQI
19th Jul 2025172 PMAQI
19th Jul 2025163 PMAQI
19th Jul 2025184 PMAQI
19th Jul 2025185 PMAQI
19th Jul 2025186 PMAQI
19th Jul 2025167 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253811 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025481 AMAQI
20th Jul 2025522 AMAQI
20th Jul 2025513 AMAQI
20th Jul 2025494 AMAQI
25°C22/28°C
20th Jul 2025465 AMAQI
20th Jul 2025466 AMAQI
20th Jul 2025467 AMAQI
20th Jul 2025468 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20252210 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252712 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025337 PMAQI
20th Jul 2025418 PMAQI
20th Jul 2025469 PMAQI
20th Jul 20254810 PMAQI
20th Jul 20254611 PMAQI
21st Jul 20255112 AMAQI
21st Jul 2025481 AMAQI
21st Jul 2025472 AMAQI
21st Jul 2025473 AMAQI
21st Jul 2025454 AMAQI
27°C23/31°C
21st Jul 2025445 AMAQI
21st Jul 2025446 AMAQI
21st Jul 2025447 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025529 AMAQI
21st Jul 20254810 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20254212 PMAQI
21st Jul 2025411 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025393 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025356 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253410 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253612 AMAQI
22nd Jul 2025451 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025464 AMAQI
27°C24/31°C
22nd Jul 2025465 AMAQI
22nd Jul 2025476 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025468 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20253111 AMAQI
22nd Jul 20254112 PMAQI
22nd Jul 2025341 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025423 PMAQI
22nd Jul 2025444 PMAQI
22nd Jul 2025405 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025378 PMAQI
22nd Jul 2025409 PMAQI
22nd Jul 20253410 PMAQI
22nd Jul 20253711 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025402 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025444 AMAQI
27°C23/31°C
23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025437 AMAQI
23rd Jul 2025438 AMAQI
23rd Jul 2025489 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20254711 AMAQI
23rd Jul 20255112 PMAQI
23rd Jul 2025541 PMAQI
23rd Jul 2025552 PMAQI
23rd Jul 2025543 PMAQI
23rd Jul 2025554 PMAQI
23rd Jul 2025575 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025528 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20254510 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254312 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025444 AMAQI
27°C23/31°C
24th Jul 2025465 AMAQI
24th Jul 2025456 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025458 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255811 AMAQI
24th Jul 20256012 PMAQI
24th Jul 2025581 PMAQI
24th Jul 2025622 PMAQI
24th Jul 2025653 PMAQI
24th Jul 2025704 PMAQI
24th Jul 2025695 PMAQI
24th Jul 2025766 PMAQI
24th Jul 2025707 PMAQI
24th Jul 2025648 PMAQI
24th Jul 2025569 PMAQI
24th Jul 20255610 PMAQI
24th Jul 20255711 PMAQI
25th Jul 20255512 AMAQI
25th Jul 2025541 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025453 AMAQI
25th Jul 2025484 AMAQI
27°C23/32°C
25th Jul 2025505 AMAQI
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025508 AMAQI
25th Jul 2025709 AMAQI
25th Jul 20257310 AMAQI
25th Jul 20257011 AMAQI
25th Jul 20256812 PMAQI
25th Jul 2025701 PMAQI
25th Jul 2025702 PMAQI
25th Jul 2025693 PMAQI
25th Jul 2025634 PMAQI
25th Jul 2025665 PMAQI
25th Jul 2025666 PMAQI
25th Jul 2025647 PMAQI
25th Jul 2025608 PMAQI
25th Jul 2025609 PMAQI
25th Jul 20256210 PMAQI
25th Jul 20256411 PMAQI
26th Jul 20256612 AMAQI
26th Jul 2025521 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025534 AMAQI
29°C24/34°C
26th Jul 2025565 AMAQI
26th Jul 2025556 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025479 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20252711 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025402 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025275 PMAQI
26th Jul 2025286 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254910 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025552 AMAQI
27th Jul 2025553 AMAQI
27th Jul 2025544 AMAQI
30°C25/35°C
27th Jul 2025535 AMAQI
27th Jul 2025536 AMAQI
27th Jul 2025537 AMAQI
27th Jul 2025538 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20252212 PMAQI
27th Jul 2025231 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025203 PMAQI
27th Jul 2025204 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025317 PMAQI
27th Jul 2025488 PMAQI
27th Jul 2025549 PMAQI
27th Jul 20255410 PMAQI
27th Jul 20255411 PMAQI
28th Jul 20255812 AMAQI
28th Jul 2025541 AMAQI
28th Jul 2025532 AMAQI
28th Jul 2025533 AMAQI
28th Jul 2025524 AMAQI
30°C25/35°C
28th Jul 2025515 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025517 AMAQI
28th Jul 2025518 AMAQI
28th Jul 2025709 AMAQI
28th Jul 20258310 AMAQI
28th Jul 20258211 AMAQI
28th Jul 20257912 PMAQI
28th Jul 2025741 PMAQI
28th Jul 2025632 PMAQI
28th Jul 2025613 PMAQI
28th Jul 2025654 PMAQI
28th Jul 2025615 PMAQI
28th Jul 2025586 PMAQI
28th Jul 2025577 PMAQI
28th Jul 2025588 PMAQI
28th Jul 2025629 PMAQI
28th Jul 20256210 PMAQI
28th Jul 20256111 PMAQI
29th Jul 20256012 AMAQI
29th Jul 2025541 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025554 AMAQI
28°C25/33°C
29th Jul 2025585 AMAQI
29th Jul 2025586 AMAQI
29th Jul 2025587 AMAQI
29th Jul 2025588 AMAQI
29th Jul 2025689 AMAQI
29th Jul 20257810 AMAQI
29th Jul 20258611 AMAQI
29th Jul 20258712 PMAQI
29th Jul 2025821 PMAQI
29th Jul 2025822 PMAQI
29th Jul 2025823 PMAQI
29th Jul 2025714 PMAQI
29th Jul 2025675 PMAQI
29th Jul 2025806 PMAQI
29th Jul 2025847 PMAQI
29th Jul 2025818 PMAQI
29th Jul 2025649 PMAQI
29th Jul 20256210 PMAQI
29th Jul 20256211 PMAQI
30th Jul 20255812 AMAQI
30th Jul 2025571 AMAQI
30th Jul 2025562 AMAQI
30th Jul 2025563 AMAQI
30th Jul 2025594 AMAQI
29°C24/35°C
30th Jul 2025625 AMAQI
30th Jul 2025626 AMAQI
30th Jul 2025627 AMAQI
30th Jul 2025628 AMAQI
30th Jul 2025769 AMAQI
30th Jul 20257210 AMAQI
30th Jul 20257311 AMAQI
30th Jul 20256912 PMAQI
30th Jul 2025681 PMAQI
30th Jul 2025722 PMAQI
30th Jul 2025573 PMAQI
30th Jul 2025514 PMAQI
30th Jul 2025505 PMAQI
30th Jul 2025396 PMAQI
30th Jul 2025417 PMAQI
30th Jul 2025468 PMAQI
30th Jul 2025569 PMAQI
30th Jul 20255510 PMAQI
30th Jul 20255611 PMAQI
31st Jul 20255912 AMAQI
31st Jul 2025591 AMAQI
31st Jul 2025592 AMAQI
31st Jul 2025593 AMAQI
31st Jul 2025594 AMAQI
29°C24/34°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 20255411 AMAQI
31st Jul 20255312 PMAQI
31st Jul 2025601 PMAQI
31st Jul 2025702 PMAQI
31st Jul 2025703 PMAQI
31st Jul 2025684 PMAQI
31st Jul 2025655 PMAQI
31st Jul 2025656 PMAQI
31st Jul 2025617 PMAQI
31st Jul 2025598 PMAQI
31st Jul 2025559 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025561 AMAQI
1st Aug 2025562 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025574 AMAQI
28°C25/32°C
1st Aug 2025565 AMAQI
1st Aug 2025566 AMAQI
1st Aug 2025567 AMAQI
1st Aug 2025558 AMAQI
1st Aug 2025589 AMAQI
1st Aug 20256410 AMAQI
1st Aug 20255811 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025551 PMAQI
1st Aug 2025622 PMAQI
1st Aug 2025633 PMAQI
1st Aug 2025614 PMAQI
1st Aug 2025645 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025599 PMAQI
1st Aug 20255910 PMAQI
1st Aug 20255911 PMAQI
2nd Aug 20255812 AMAQI
2nd Aug 2025551 AMAQI
2nd Aug 2025552 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
28°C24/34°C
2nd Aug 2025555 AMAQI
2nd Aug 2025556 AMAQI
2nd Aug 2025567 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025729 AMAQI
2nd Aug 20257410 AMAQI
2nd Aug 20257211 AMAQI
2nd Aug 20258612 PMAQI
2nd Aug 2025821 PMAQI
2nd Aug 2025582 PMAQI
2nd Aug 2025513 PMAQI
2nd Aug 2025584 PMAQI
2nd Aug 2025545 PMAQI
2nd Aug 2025646 PMAQI
2nd Aug 2025597 PMAQI
2nd Aug 2025578 PMAQI
2nd Aug 2025589 PMAQI
2nd Aug 20255810 PMAQI
2nd Aug 20256011 PMAQI
3rd Aug 20255712 AMAQI
3rd Aug 2025551 AMAQI
3rd Aug 2025562 AMAQI
3rd Aug 2025563 AMAQI
3rd Aug 2025584 AMAQI
28°C25/33°C
3rd Aug 2025585 AMAQI
5 AM3rd Aug 2025586 AMAQI
3rd Aug 2025587 AMAQI
3rd Aug 2025598 AMAQI
3rd Aug 2025659 AMAQI
3rd Aug 20256610 AMAQI
3rd Aug 20256911 AMAQI
3rd Aug 20256812 PMAQI
12 PM3rd Aug 2025681 PMAQI
7 PM
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
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
Part Dong, Osan, Gyeonggi, South Korea
2025
18%
39
74%
158
8%
17
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
39 DaysModerate
158 DaysPoor
17 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 18%
Health Risk Level:
Extreme
In 2025, 18% of 215 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
Part Dong, Osan, 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
75AQI
75AQI
2nd January 2025
61AQI
61AQI
3rd January 2025
60AQI
60AQI
4th January 2025
64AQI
64AQI
5th January 2025
67AQI
67AQI
6th January 2025
98AQI
98AQI
7th January 2025
56AQI
56AQI
8th January 2025
70AQI
70AQI
9th January 2025
40AQI
40AQI
10th January 2025
56AQI
56AQI
11th January 2025
56AQI
56AQI
12th January 2025
80AQI
80AQI
13th January 2025
86AQI
86AQI
14th January 2025
100AQI
100AQI
15th January 2025
55AQI
55AQI
16th January 2025
75AQI
75AQI
17th January 2025
85AQI
85AQI
18th January 2025
84AQI
84AQI
19th January 2025
87AQI
87AQI
20th January 2025
130AQI
130AQI
21st January 2025
145AQI
145AQI
22nd January 2025
146AQI
146AQI
23rd January 2025
131AQI
131AQI
24th January 2025
105AQI
105AQI
25th January 2025
74AQI
74AQI
26th January 2025
57AQI
57AQI
27th January 2025
66AQI
66AQI
28th January 2025
56AQI
56AQI
29th January 2025
60AQI
60AQI
30th January 2025
52AQI
52AQI
31st January 2025
73AQI
73AQI
1st February 2025
72AQI
72AQI
2nd February 2025
84AQI
84AQI
3rd February 2025
53AQI
53AQI
4th February 2025
53AQI
53AQI
5th February 2025
45AQI
45AQI
6th February 2025
56AQI
56AQI
7th February 2025
47AQI
47AQI
8th February 2025
47AQI
47AQI
9th February 2025
50AQI
50AQI
10th February 2025
59AQI
59AQI
11th February 2025
72AQI
72AQI
12th February 2025
75AQI
75AQI
13th February 2025
50AQI
50AQI
14th February 2025
92AQI
92AQI
15th February 2025
57AQI
57AQI
16th February 2025
114AQI
114AQI
17th February 2025
50AQI
50AQI
18th February 2025
61AQI
61AQI
19th February 2025
48AQI
48AQI
20th February 2025
56AQI
56AQI
21st February 2025
55AQI
55AQI
22nd February 2025
57AQI
57AQI
23rd February 2025
54AQI
54AQI
24th February 2025
57AQI
57AQI
25th February 2025
58AQI
58AQI
26th February 2025
71AQI
71AQI
27th February 2025
60AQI
60AQI
28th February 2025
83AQI
83AQI
1st March 2025
103AQI
103AQI
2nd March 2025
72AQI
72AQI
3rd March 2025
56AQI
56AQI
4th March 2025
46AQI
46AQI
5th March 2025
37AQI
37AQI
6th March 2025
78AQI
78AQI
7th March 2025
94AQI
94AQI
8th March 2025
90AQI
90AQI
9th March 2025
109AQI
109AQI
10th March 2025
115AQI
115AQI
11th March 2025
114AQI
114AQI
12th March 2025
108AQI
108AQI
13th March 2025
98AQI
98AQI
14th March 2025
84AQI
84AQI
15th March 2025
58AQI
58AQI
16th March 2025
75AQI
75AQI
17th March 2025
64AQI
64AQI
18th March 2025
72AQI
72AQI
19th March 2025
83AQI
83AQI
20th March 2025
91AQI
91AQI
21st March 2025
109AQI
109AQI
22nd March 2025
111AQI
111AQI
23rd March 2025
122AQI
122AQI
24th March 2025
119AQI
119AQI
25th March 2025
133AQI
133AQI
26th March 2025
93AQI
93AQI
27th March 2025
95AQI
95AQI
28th March 2025
61AQI
61AQI
29th March 2025
51AQI
51AQI
30th March 2025
48AQI
48AQI
31st March 2025
63AQI
63AQI
1st April 2025
80AQI
80AQI
2nd April 2025
87AQI
87AQI
3rd April 2025
83AQI
83AQI
4th April 2025
94AQI
94AQI
5th April 2025
77AQI
77AQI
6th April 2025
74AQI
74AQI
7th April 2025
74AQI
74AQI
8th April 2025
80AQI
80AQI
9th April 2025
72AQI
72AQI
10th April 2025
80AQI
80AQI
11th April 2025
92AQI
92AQI
12th April 2025
67AQI
67AQI
13th April 2025
67AQI
67AQI
14th April 2025
45AQI
45AQI
15th April 2025
60AQI
60AQI
16th April 2025
64AQI
64AQI
17th April 2025
70AQI
70AQI
18th April 2025
89AQI
89AQI
19th April 2025
59AQI
59AQI
20th April 2025
68AQI
68AQI
21st April 2025
56AQI
56AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
35AQI
35AQI
24th April 2025
67AQI
67AQI
25th April 2025
64AQI
64AQI
26th April 2025
59AQI
59AQI
27th April 2025
46AQI
46AQI
28th April 2025
66AQI
66AQI
29th April 2025
72AQI
72AQI
30th April 2025
61AQI
61AQI
1st May 2025
63AQI
63AQI
2nd May 2025
54AQI
54AQI
3rd May 2025
51AQI
51AQI
4th May 2025
49AQI
49AQI
5th May 2025
54AQI
54AQI
6th May 2025
41AQI
41AQI
7th May 2025
56AQI
56AQI
8th May 2025
65AQI
65AQI
9th May 2025
50AQI
50AQI
10th May 2025
63AQI
63AQI
11th May 2025
74AQI
74AQI
12th May 2025
74AQI
74AQI
13th May 2025
74AQI
74AQI
14th May 2025
75AQI
75AQI
15th May 2025
64AQI
64AQI
16th May 2025
53AQI
53AQI
17th May 2025
52AQI
52AQI
18th May 2025
59AQI
59AQI
19th May 2025
62AQI
62AQI
20th May 2025
39AQI
39AQI
21st May 2025
52AQI
52AQI
22nd May 2025
48AQI
48AQI
23rd May 2025
64AQI
64AQI
24th May 2025
45AQI
45AQI
25th May 2025
50AQI
50AQI
26th May 2025
64AQI
64AQI
27th May 2025
85AQI
85AQI
28th May 2025
91AQI
91AQI
29th May 2025
82AQI
82AQI
30th May 2025
78AQI
78AQI
31st May 2025
84AQI
84AQI
1st June 2025
90AQI
90AQI
2nd June 2025
106AQI
106AQI
3rd June 2025
80AQI
80AQI
4th June 2025
61AQI
61AQI
5th June 2025
61AQI
61AQI
6th June 2025
59AQI
59AQI
7th June 2025
70AQI
70AQI
8th June 2025
60AQI
60AQI
9th June 2025
66AQI
66AQI
10th June 2025
56AQI
56AQI
11th June 2025
54AQI
54AQI
12th June 2025
61AQI
61AQI
13th June 2025
81AQI
81AQI
14th June 2025
59AQI
59AQI
15th June 2025
57AQI
57AQI
16th June 2025
68AQI
68AQI
17th June 2025
61AQI
61AQI
18th June 2025
66AQI
66AQI
19th June 2025
64AQI
64AQI
20th June 2025
45AQI
45AQI
21st June 2025
63AQI
63AQI
22nd June 2025
71AQI
71AQI
23rd June 2025
73AQI
73AQI
24th June 2025
62AQI
62AQI
25th June 2025
47AQI
47AQI
26th June 2025
61AQI
61AQI
27th June 2025
70AQI
70AQI
28th June 2025
68AQI
68AQI
29th June 2025
49AQI
49AQI
30th June 2025
45AQI
45AQI
1st July 2025
43AQI
43AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
56AQI
56AQI
4th July 2025
54AQI
54AQI
5th July 2025
52AQI
52AQI
6th July 2025
57AQI
57AQI
7th July 2025
72AQI
72AQI
8th July 2025
73AQI
73AQI
9th July 2025
59AQI
59AQI
10th July 2025
53AQI
53AQI
11th July 2025
50AQI
50AQI
12th July 2025
47AQI
47AQI
13th July 2025
66AQI
66AQI
14th July 2025
60AQI
60AQI
15th July 2025
42AQI
42AQI
16th July 2025
52AQI
52AQI
17th July 2025
37AQI
37AQI
18th July 2025
40AQI
40AQI
19th July 2025
33AQI
33AQI
20th July 2025
39AQI
39AQI
21st July 2025
41AQI
41AQI
22nd July 2025
39AQI
39AQI
23rd July 2025
48AQI
48AQI
24th July 2025
55AQI
55AQI
25th July 2025
60AQI
60AQI
26th July 2025
44AQI
44AQI
27th July 2025
41AQI
41AQI
28th July 2025
60AQI
60AQI
29th July 2025
68AQI
68AQI
30th July 2025
58AQI
58AQI
31st July 2025
60AQI
60AQI
1st August 2025
58AQI
58AQI
2nd August 2025
59AQI
59AQI
79AQI
62AQI
86AQI
69AQI
62AQI
64AQI
52AQI
59AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202568AQI
1
25
5
7
20
1
3
18
10
3
27
7
24
4
25
1
14
17
2
39
158
17
Highest AQI recorded in
March86AQI
Lowest AQI recorded in
July52AQI
202462AQI
11
14
6
9
14
5
1
6
21
3
1
2
22
6
10
20
1
4
24
2
21
8
2
10
21
23
7
18
12
1
9
20
1
5
26
128
209
27
2
Highest AQI recorded in
April78AQI
Lowest AQI recorded in
September40AQI
202367AQI
9
14
7
1
2
19
4
3
3
15
13
4
20
5
1
8
19
4
8
21
1
20
11
14
17
17
11
2
11
17
3
11
16
2
11
14
6
118
194
47
5
Highest AQI recorded in
March93AQI
Lowest AQI recorded in
July43AQI
202268AQI
3
20
6
2
6
8
5
2
4
19
8
6
19
5
4
25
2
13
17
3
15
1
18
8
2
16
11
4
7
17
4
2
9
20
2
90
179
38
6
Highest AQI recorded in
February83AQI
Lowest AQI recorded in
August26AQI
202163AQI
9
21
1
10
10
6
2
5
17
7
1
1
10
18
2
9
18
2
1
1
7
23
25
6
22
9
27
3
19
11
1
8
18
2
2
10
12
9
161
166
30
5
2
1
Highest AQI recorded in
March93AQI
Lowest AQI recorded in
September32AQI
202057AQI
4
8
1
5
15
1
5
10
3
3
23
4
22
9
26
5
24
6
16
13
2
11
11
8
10
13
7
1
126
113
26
1
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
August33AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
68AQILeast Polluted Year Recorded
2020(Avg.)
57AQIPart Dong's annual 2025 AQI (68) shows an average percentage change of 7.01% (worsened AQI) compared to previous years: 2020 (57), 2021 (63), 2022 (68), 2023 (67), 2024 (62).
