Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

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

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
91AQI
Lowest AQI recorded on
9th Aug 2026
10AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 35 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Part Dong, Osan, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM16th Aug 2026

7 PM

4 AM17th Aug 2026

Day time
Avg. Highest Time
6AM16th Aug

38AQI

Avg. Lowest Time
4PM16th Aug

23AQI

Night time
Avg. Highest Time
8PM16th Aug

27AQI

Avg. Lowest Time
11PM16th Aug

23AQI

In the last 24 hours,

Part Dong's AQI reached its highest point of 38 at 6 AM during the Day, while the lowest point, 23, was recorded at 11 PM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Part Dong, Osan, Gyeonggi, South Korea

JulAug
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
19th Jul 2026255 AMAQI
19th Jul 2026516 AMAQI
19th Jul 2026697 AMAQI
19th Jul 2026678 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20264810 AMAQI
19th Jul 20265311 AMAQI
19th Jul 20264912 PMAQI
19th Jul 2026341 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026176 PMAQI
19th Jul 2026197 PMAQI
19th Jul 2026218 PMAQI
19th Jul 2026199 PMAQI
19th Jul 20261710 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20262012 AMAQI
20th Jul 2026231 AMAQI
20th Jul 2026332 AMAQI
20th Jul 2026313 AMAQI
20th Jul 2026404 AMAQI

24°C23/24°C

20th Jul 2026365 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026387 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026449 AMAQI
20th Jul 20264010 AMAQI
20th Jul 20262911 AMAQI
20th Jul 20262312 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026234 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026258 PMAQI
20th Jul 2026239 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20262311 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026312 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026314 AMAQI

25°C22/29°C

21st Jul 2026335 AMAQI
21st Jul 2026336 AMAQI
21st Jul 2026257 AMAQI
21st Jul 2026218 AMAQI
21st Jul 2026259 AMAQI
21st Jul 20262710 AMAQI
21st Jul 20262911 AMAQI
21st Jul 2026421 PMAQI
21st Jul 2026402 PMAQI
21st Jul 2026323 PMAQI
21st Jul 2026254 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026238 PMAQI
21st Jul 2026369 PMAQI
21st Jul 20263610 PMAQI
21st Jul 20264011 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026381 AMAQI
22nd Jul 2026342 AMAQI
22nd Jul 2026253 AMAQI
22nd Jul 2026294 AMAQI

25°C23/27°C

22nd Jul 2026295 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026319 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20263411 AMAQI
22nd Jul 20263812 PMAQI
22nd Jul 2026441 PMAQI
22nd Jul 2026532 PMAQI
22nd Jul 2026543 PMAQI
22nd Jul 2026534 PMAQI
22nd Jul 2026515 PMAQI
22nd Jul 2026466 PMAQI
22nd Jul 2026427 PMAQI
22nd Jul 2026488 PMAQI
22nd Jul 2026559 PMAQI
22nd Jul 20264910 PMAQI
22nd Jul 20265211 PMAQI
23rd Jul 20265712 AMAQI
23rd Jul 2026531 AMAQI
23rd Jul 2026522 AMAQI
23rd Jul 2026503 AMAQI
23rd Jul 2026534 AMAQI

26°C24/30°C

23rd Jul 2026505 AMAQI
23rd Jul 2026516 AMAQI
23rd Jul 2026407 AMAQI
23rd Jul 2026448 AMAQI
23rd Jul 2026469 AMAQI
23rd Jul 20264610 AMAQI
23rd Jul 20265211 AMAQI
23rd Jul 20264812 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026552 PMAQI
23rd Jul 2026573 PMAQI
23rd Jul 2026584 PMAQI
23rd Jul 2026545 PMAQI
23rd Jul 2026586 PMAQI
23rd Jul 2026587 PMAQI
23rd Jul 2026558 PMAQI
23rd Jul 2026609 PMAQI
23rd Jul 20265810 PMAQI
23rd Jul 20265711 PMAQI
24th Jul 20265212 AMAQI
24th Jul 2026521 AMAQI
24th Jul 2026472 AMAQI
24th Jul 2026423 AMAQI
24th Jul 2026514 AMAQI

26°C23/29°C

24th Jul 2026485 AMAQI
24th Jul 2026446 AMAQI
24th Jul 2026477 AMAQI
24th Jul 2026538 AMAQI
24th Jul 2026539 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20264812 PMAQI
24th Jul 2026511 PMAQI
24th Jul 2026532 PMAQI
24th Jul 2026443 PMAQI
24th Jul 2026504 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026426 PMAQI
24th Jul 2026367 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026369 PMAQI
24th Jul 20263610 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026312 AMAQI
25th Jul 2026313 AMAQI
25th Jul 2026274 AMAQI

27°C23/31°C

25th Jul 2026295 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026297 AMAQI
25th Jul 2026318 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20262710 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20262712 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026312 PMAQI
25th Jul 2026383 PMAQI
25th Jul 2026314 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262112 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026273 AMAQI
26th Jul 2026214 AMAQI

27°C24/31°C

26th Jul 2026215 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026217 AMAQI
26th Jul 2026218 AMAQI
26th Jul 2026239 AMAQI
26th Jul 20262510 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026291 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026366 PMAQI
26th Jul 2026327 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20263011 PMAQI
27th Jul 20263012 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026253 AMAQI
27th Jul 2026294 AMAQI

27°C24/31°C

27th Jul 2026295 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262510 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026384 PMAQI
27th Jul 2026345 PMAQI
27th Jul 2026296 PMAQI
27th Jul 2026407 PMAQI
27th Jul 2026328 PMAQI
27th Jul 2026319 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262111 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026364 AMAQI

28°C24/32°C

28th Jul 2026275 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026339 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026501 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026573 PMAQI
28th Jul 2026574 PMAQI
28th Jul 2026625 PMAQI
28th Jul 2026576 PMAQI
28th Jul 2026587 PMAQI
28th Jul 2026598 PMAQI
28th Jul 2026539 PMAQI
28th Jul 20265010 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20263612 AMAQI
29th Jul 2026331 AMAQI
29th Jul 2026312 AMAQI
29th Jul 2026273 AMAQI
29th Jul 2026294 AMAQI

27°C25/30°C

29th Jul 2026275 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026238 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026347 PMAQI
29th Jul 2026278 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262310 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262312 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026214 AMAQI

26°C24/30°C

30th Jul 2026255 AMAQI
30th Jul 2026276 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026279 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262911 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026211 PMAQI
30th Jul 2026252 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026239 PMAQI
30th Jul 20262310 PMAQI
30th Jul 20263311 PMAQI
31st Jul 20263312 AMAQI
31st Jul 2026331 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026233 AMAQI
31st Jul 2026314 AMAQI

26°C23/31°C

31st Jul 2026295 AMAQI
31st Jul 2026216 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026318 AMAQI
31st Jul 2026339 AMAQI
31st Jul 20265110 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20264812 PMAQI
31st Jul 2026521 PMAQI
31st Jul 2026562 PMAQI
31st Jul 2026553 PMAQI
31st Jul 2026554 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026556 PMAQI
31st Jul 2026507 PMAQI
31st Jul 2026488 PMAQI
31st Jul 2026469 PMAQI
31st Jul 20265810 PMAQI
31st Jul 20266011 PMAQI
1st Aug 20265712 AMAQI
1st Aug 2026621 AMAQI
1st Aug 2026622 AMAQI
1st Aug 2026623 AMAQI
1st Aug 2026694 AMAQI

27°C23/32°C

1st Aug 2026745 AMAQI
1st Aug 2026696 AMAQI
1st Aug 2026697 AMAQI
1st Aug 2026738 AMAQI
1st Aug 2026789 AMAQI
1st Aug 20267510 AMAQI
1st Aug 20268811 AMAQI
1st Aug 20268312 PMAQI
1st Aug 2026721 PMAQI
1st Aug 2026582 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026645 PMAQI
1st Aug 2026496 PMAQI
1st Aug 2026557 PMAQI
1st Aug 2026598 PMAQI
1st Aug 2026589 PMAQI
1st Aug 20266210 PMAQI
1st Aug 20265811 PMAQI
2nd Aug 20265312 AMAQI
2nd Aug 2026501 AMAQI
2nd Aug 2026662 AMAQI
2nd Aug 2026433 AMAQI
2nd Aug 2026404 AMAQI

28°C25/32°C

2nd Aug 2026445 AMAQI
2nd Aug 2026446 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026488 AMAQI
2nd Aug 2026389 AMAQI
2nd Aug 20264010 AMAQI
2nd Aug 20264611 AMAQI
2nd Aug 20265412 PMAQI
2nd Aug 2026541 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026403 PMAQI
2nd Aug 2026294 PMAQI
2nd Aug 2026485 PMAQI
2nd Aug 2026366 PMAQI
2nd Aug 2026277 PMAQI
2nd Aug 2026258 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262110 PMAQI
2nd Aug 20262111 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026381 AMAQI
3rd Aug 2026362 AMAQI
3rd Aug 2026273 AMAQI
3rd Aug 2026364 AMAQI

28°C24/32°C

3rd Aug 2026405 AMAQI
3rd Aug 2026466 AMAQI
3rd Aug 2026407 AMAQI
3rd Aug 2026518 AMAQI
3rd Aug 2026519 AMAQI
3rd Aug 20264910 AMAQI
3rd Aug 20264911 AMAQI
3rd Aug 20265912 PMAQI
3rd Aug 2026571 PMAQI
3rd Aug 2026552 PMAQI
3rd Aug 2026533 PMAQI
3rd Aug 2026464 PMAQI
3rd Aug 2026445 PMAQI
3rd Aug 2026536 PMAQI
3rd Aug 2026717 PMAQI
3rd Aug 2026738 PMAQI
3rd Aug 2026689 PMAQI
3rd Aug 20265810 PMAQI
3rd Aug 20265411 PMAQI
4th Aug 20265512 AMAQI
4th Aug 2026571 AMAQI
4th Aug 2026562 AMAQI
4th Aug 2026573 AMAQI
4th Aug 2026664 AMAQI

28°C24/34°C

4th Aug 2026645 AMAQI
4th Aug 2026646 AMAQI
4th Aug 2026727 AMAQI
4th Aug 2026788 AMAQI
4th Aug 2026819 AMAQI
4th Aug 20267810 AMAQI
4th Aug 20266011 AMAQI
4th Aug 20266412 PMAQI
4th Aug 2026651 PMAQI
4th Aug 2026722 PMAQI
4th Aug 2026663 PMAQI
4th Aug 2026584 PMAQI
4th Aug 2026565 PMAQI
4th Aug 2026466 PMAQI
4th Aug 2026527 PMAQI
4th Aug 2026738 PMAQI
4th Aug 2026889 PMAQI
4th Aug 20266510 PMAQI
4th Aug 20265811 PMAQI
5th Aug 20266412 AMAQI
5th Aug 2026421 AMAQI
5th Aug 2026262 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026184 AMAQI

29°C25/35°C

5th Aug 2026195 AMAQI
5th Aug 2026206 AMAQI
5th Aug 2026217 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026229 AMAQI
5th Aug 20262010 AMAQI
5th Aug 20263411 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026211 PMAQI
5th Aug 2026292 PMAQI
5th Aug 2026363 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026316 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026308 PMAQI
5th Aug 2026329 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20267011 PMAQI
6th Aug 20266212 AMAQI
6th Aug 2026551 AMAQI
6th Aug 2026622 AMAQI
6th Aug 2026643 AMAQI
6th Aug 2026674 AMAQI

29°C25/34°C

6th Aug 2026695 AMAQI
6th Aug 2026636 AMAQI
6th Aug 2026577 AMAQI
6th Aug 2026708 AMAQI
6th Aug 2026599 AMAQI
6th Aug 20263210 AMAQI
6th Aug 20262911 AMAQI
6th Aug 20262912 PMAQI
6th Aug 2026231 PMAQI
6th Aug 2026312 PMAQI
6th Aug 2026333 PMAQI
6th Aug 2026314 PMAQI
6th Aug 2026335 PMAQI
6th Aug 2026336 PMAQI
6th Aug 2026367 PMAQI
6th Aug 2026428 PMAQI
6th Aug 2026369 PMAQI
6th Aug 20264210 PMAQI
6th Aug 20266211 PMAQI
7th Aug 20267612 AMAQI
7th Aug 2026661 AMAQI
7th Aug 2026712 AMAQI
7th Aug 2026783 AMAQI
7th Aug 2026524 AMAQI

30°C26/35°C

7th Aug 2026425 AMAQI
7th Aug 2026406 AMAQI
7th Aug 2026447 AMAQI
7th Aug 2026448 AMAQI
7th Aug 2026469 AMAQI
7th Aug 20264010 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026601 PMAQI
7th Aug 2026342 PMAQI
7th Aug 2026213 PMAQI
7th Aug 2026194 PMAQI
7th Aug 2026215 PMAQI
7th Aug 2026296 PMAQI
7th Aug 2026237 PMAQI
7th Aug 2026288 PMAQI
7th Aug 2026509 PMAQI
7th Aug 20268710 PMAQI
7th Aug 20266911 PMAQI
8th Aug 20267212 AMAQI
8th Aug 2026751 AMAQI
8th Aug 2026702 AMAQI
8th Aug 2026623 AMAQI
8th Aug 2026594 AMAQI

30°C25/35°C

8th Aug 2026475 AMAQI
8th Aug 2026546 AMAQI
8th Aug 2026197 AMAQI
8th Aug 2026258 AMAQI
8th Aug 2026279 AMAQI
8th Aug 20262510 AMAQI
8th Aug 20261411 AMAQI
8th Aug 2026812 PMAQI
8th Aug 202681 PMAQI
8th Aug 202682 PMAQI
8th Aug 202693 PMAQI
8th Aug 202684 PMAQI
8th Aug 202685 PMAQI
8th Aug 2026186 PMAQI
8th Aug 2026217 PMAQI
8th Aug 2026168 PMAQI
8th Aug 202669 PMAQI
8th Aug 2026810 PMAQI
8th Aug 20261211 PMAQI
9th Aug 20261212 AMAQI
9th Aug 2026121 AMAQI
9th Aug 2026122 AMAQI
9th Aug 2026123 AMAQI
9th Aug 2026144 AMAQI

29°C23/35°C

9th Aug 2026125 AMAQI
9th Aug 2026126 AMAQI
9th Aug 202687 AMAQI
9th Aug 202688 AMAQI
9th Aug 202689 AMAQI
9th Aug 2026810 AMAQI
9th Aug 2026811 AMAQI
9th Aug 2026812 PMAQI
9th Aug 202661 PMAQI
9th Aug 202642 PMAQI
9th Aug 202663 PMAQI
9th Aug 202644 PMAQI
9th Aug 202645 PMAQI
9th Aug 202666 PMAQI
9th Aug 202687 PMAQI
9th Aug 202658 PMAQI
9th Aug 202669 PMAQI
9th Aug 20261910 PMAQI
9th Aug 20262711 PMAQI
10th Aug 2026612 AMAQI
10th Aug 202661 AMAQI
10th Aug 2026162 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026214 AMAQI

26°C22/31°C

10th Aug 2026125 AMAQI
10th Aug 2026146 AMAQI
10th Aug 2026127 AMAQI
10th Aug 2026128 AMAQI
10th Aug 2026129 AMAQI
10th Aug 20261210 AMAQI
10th Aug 20261211 AMAQI
10th Aug 20261712 PMAQI
10th Aug 2026231 PMAQI
10th Aug 2026272 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026275 PMAQI
10th Aug 2026276 PMAQI
10th Aug 2026277 PMAQI
10th Aug 2026278 PMAQI
10th Aug 2026279 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262911 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026272 AMAQI
11th Aug 2026293 AMAQI
11th Aug 2026294 AMAQI

27°C23/31°C

11th Aug 2026275 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026237 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262712 PMAQI
11th Aug 2026321 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026293 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026275 PMAQI
11th Aug 2026346 PMAQI
11th Aug 2026297 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262711 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026321 AMAQI
12th Aug 2026252 AMAQI
12th Aug 2026253 AMAQI
12th Aug 2026254 AMAQI

26°C22/32°C

12th Aug 2026255 AMAQI
12th Aug 2026216 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026199 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026252 PMAQI
12th Aug 2026253 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026275 PMAQI
12th Aug 2026256 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026368 PMAQI
12th Aug 2026299 PMAQI
12th Aug 20262710 PMAQI
12th Aug 20262911 PMAQI
13th Aug 20262912 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026272 AMAQI
13th Aug 2026273 AMAQI
13th Aug 2026254 AMAQI

24°C18/30°C

13th Aug 2026255 AMAQI
13th Aug 2026256 AMAQI
13th Aug 2026257 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262510 AMAQI
13th Aug 20263111 AMAQI
13th Aug 20262912 PMAQI
13th Aug 2026271 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026293 PMAQI
13th Aug 2026274 PMAQI
13th Aug 2026315 PMAQI
13th Aug 2026296 PMAQI
13th Aug 2026277 PMAQI
13th Aug 2026258 PMAQI
13th Aug 2026259 PMAQI
13th Aug 20262510 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262912 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026272 AMAQI
14th Aug 2026213 AMAQI
14th Aug 2026254 AMAQI

26°C21/31°C

14th Aug 2026275 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026258 AMAQI
14th Aug 2026259 AMAQI
14th Aug 20262510 AMAQI
14th Aug 20262511 AMAQI
14th Aug 20262512 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026232 PMAQI
14th Aug 2026293 PMAQI
14th Aug 2026294 PMAQI
14th Aug 2026425 PMAQI
14th Aug 2026386 PMAQI
14th Aug 2026337 PMAQI
14th Aug 2026318 PMAQI
14th Aug 2026389 PMAQI
14th Aug 20263610 PMAQI
14th Aug 20263611 PMAQI
15th Aug 20264612 AMAQI
15th Aug 2026561 AMAQI
15th Aug 2026522 AMAQI
15th Aug 2026553 AMAQI
15th Aug 2026574 AMAQI

26°C22/30°C

15th Aug 2026605 AMAQI
15th Aug 2026426 AMAQI
15th Aug 2026427 AMAQI
15th Aug 2026448 AMAQI
15th Aug 2026489 AMAQI
15th Aug 20265410 AMAQI
15th Aug 20265811 AMAQI
15th Aug 20265612 PMAQI
15th Aug 2026551 PMAQI
15th Aug 2026552 PMAQI
15th Aug 2026513 PMAQI
15th Aug 2026524 PMAQI
15th Aug 2026525 PMAQI
15th Aug 2026526 PMAQI
15th Aug 2026427 PMAQI
15th Aug 2026498 PMAQI
15th Aug 2026519 PMAQI
15th Aug 20265410 PMAQI
15th Aug 20265511 PMAQI
16th Aug 20265212 AMAQI
16th Aug 2026491 AMAQI
16th Aug 2026532 AMAQI
16th Aug 2026563 AMAQI
16th Aug 2026524 AMAQI

25°C23/27°C

16th Aug 2026365 AMAQI
16th Aug 2026386 AMAQI
16th Aug 2026297 AMAQI
16th Aug 2026298 AMAQI
16th Aug 2026299 AMAQI
16th Aug 20262910 AMAQI
16th Aug 20263811 AMAQI
16th Aug 20263812 PMAQI
16th Aug 2026291 PMAQI
16th Aug 2026272 PMAQI
16th Aug 2026253 PMAQI
16th Aug 2026234 PMAQI
16th Aug 2026335 PMAQI
16th Aug 2026386 PMAQI
16th Aug 2026317 PMAQI
16th Aug 2026278 PMAQI
16th Aug 2026239 PMAQI
16th Aug 20262510 PMAQI
16th Aug 20262311 PMAQI
17th Aug 20262512 AMAQI
17th Aug 2026251 AMAQI
17th Aug 2026252 AMAQI
17th Aug 2026253 AMAQI
17th Aug 2026254 AMAQI

24°C22/27°C

17th Aug 2026215 AMAQI
5 AM
17th Aug 2026236 AMAQI
17th Aug 2026257 AMAQI
17th Aug 2026258 AMAQI
17th Aug 2026219 AMAQI
17th Aug 20262110 AMAQI
17th Aug 20262111 AMAQI
17th Aug 20262512 PMAQI
12 PM
17th Aug 2026251 PMAQI
17th Aug 2026252 PMAQI
17th Aug 2026363 PMAQI
17th Aug 2026334 PMAQI
17th Aug 2026215 PMAQI
17th Aug 2026256 PMAQI
17th Aug 2026257 PMAQI
7 PM
17th Aug 2026338 PMAQI
17th Aug 2026369 PMAQI
17th Aug 20263410 PMAQI
17th Aug 20263311 PMAQI
12 AM
4 AM

13°C13/14°C

Day time
Avg. Highest Time
8 AM - 7 PM

35AQI

12 hours / Day
360 hours / Month
Avg. Lowest Time
7 AM

33AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 7 PM (Avg. 35), while the lowest AQI was between 7 AM to 7 AM (Avg. 33).
Night time
Avg. Highest Time
12 AM - 11 PM

37AQI

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

37AQI

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. 37), while the lowest AQI was between 12 AM to 11 PM (Avg. 37).

2026 Days Vs Air Quality

Part Dong, Osan, Gyeonggi, South Korea

2026

51%

114

40%

91

9%

20

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
114 Days
Moderate
91 Days
Poor
20 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 51%

Health Risk Level:

Considerable

In 2026, 51% of 229 days were within WHO’s safe air quality limits, and 49% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Part Dong, Osan, Gyeonggi, South Korea

AQI levels in 2026

AQI (US)
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.

-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
32AQI (US)
2nd January 2026
36AQI (US)
3rd January 2026
61AQI (US)
4th January 2026
74AQI (US)
5th January 2026
62AQI (US)
6th January 2026
58AQI (US)
7th January 2026
56AQI (US)
8th January 2026
25AQI (US)
9th January 2026
42AQI (US)
10th January 2026
67AQI (US)
11th January 2026
31AQI (US)
12th January 2026
39AQI (US)
13th January 2026
46AQI (US)
14th January 2026
28AQI (US)
15th January 2026
92AQI (US)
16th January 2026
131AQI (US)
17th January 2026
130AQI (US)
18th January 2026
96AQI (US)
19th January 2026
59AQI (US)
20th January 2026
36AQI (US)
21st January 2026
37AQI (US)
22nd January 2026
36AQI (US)
23rd January 2026
61AQI (US)
24th January 2026
60AQI (US)
25th January 2026
27AQI (US)
26th January 2026
56AQI (US)
27th January 2026
59AQI (US)
28th January 2026
35AQI (US)
29th January 2026
51AQI (US)
30th January 2026
56AQI (US)
31st January 2026
64AQI (US)
1st February 2026
71AQI (US)
2nd February 2026
72AQI (US)
3rd February 2026
63AQI (US)
4th February 2026
116AQI (US)
5th February 2026
135AQI (US)
6th February 2026
62AQI (US)
7th February 2026
38AQI (US)
8th February 2026
46AQI (US)
9th February 2026
51AQI (US)
10th February 2026
83AQI (US)
11th February 2026
121AQI (US)
12th February 2026
121AQI (US)
13th February 2026
135AQI (US)
14th February 2026
149AQI (US)
15th February 2026
120AQI (US)
16th February 2026
48AQI (US)
17th February 2026
50AQI (US)
18th February 2026
50AQI (US)
19th February 2026
47AQI (US)
20th February 2026
84AQI (US)
21st February 2026
89AQI (US)
22nd February 2026
54AQI (US)
23rd February 2026
27AQI (US)
24th February 2026
36AQI (US)
25th February 2026
42AQI (US)
26th February 2026
32AQI (US)
27th February 2026
25AQI (US)
28th February 2026
37AQI (US)
1st March 2026
28AQI (US)
2nd March 2026
13AQI (US)
3rd March 2026
28AQI (US)
4th March 2026
63AQI (US)
5th March 2026
100AQI (US)
6th March 2026
69AQI (US)
7th March 2026
53AQI (US)
8th March 2026
53AQI (US)
9th March 2026
92AQI (US)
10th March 2026
110AQI (US)
11th March 2026
85AQI (US)
12th March 2026
107AQI (US)
13th March 2026
37AQI (US)
14th March 2026
44AQI (US)
15th March 2026
88AQI (US)
16th March 2026
128AQI (US)
17th March 2026
124AQI (US)
18th March 2026
110AQI (US)
19th March 2026
59AQI (US)
20th March 2026
61AQI (US)
21st March 2026
97AQI (US)
22nd March 2026
78AQI (US)
23rd March 2026
114AQI (US)
24th March 2026
100AQI (US)
25th March 2026
86AQI (US)
26th March 2026
117AQI (US)
27th March 2026
125AQI (US)
28th March 2026
113AQI (US)
29th March 2026
91AQI (US)
30th March 2026
79AQI (US)
31st March 2026
49AQI (US)
1st April 2026
46AQI (US)
2nd April 2026
96AQI (US)
3rd April 2026
118AQI (US)
4th April 2026
54AQI (US)
5th April 2026
80AQI (US)
6th April 2026
55AQI (US)
7th April 2026
24AQI (US)
8th April 2026
49AQI (US)
9th April 2026
42AQI (US)
10th April 2026
45AQI (US)
11th April 2026
83AQI (US)
12th April 2026
84AQI (US)
13th April 2026
79AQI (US)
14th April 2026
80AQI (US)
15th April 2026
115AQI (US)
16th April 2026
46AQI (US)
17th April 2026
18th April 2026
56AQI (US)
19th April 2026
70AQI (US)
20th April 2026
69AQI (US)
21st April 2026
62AQI (US)
22nd April 2026
23rd April 2026
47AQI (US)
24th April 2026
37AQI (US)
25th April 2026
55AQI (US)
26th April 2026
52AQI (US)
27th April 2026
52AQI (US)
28th April 2026
39AQI (US)
29th April 2026
50AQI (US)
30th April 2026
50AQI (US)
1st May 2026
49AQI (US)
2nd May 2026
97AQI (US)
3rd May 2026
46AQI (US)
4th May 2026
26AQI (US)
5th May 2026
42AQI (US)
6th May 2026
34AQI (US)
7th May 2026
37AQI (US)
8th May 2026
36AQI (US)
9th May 2026
10th May 2026
37AQI (US)
11th May 2026
31AQI (US)
12th May 2026
40AQI (US)
13th May 2026
51AQI (US)
14th May 2026
54AQI (US)
15th May 2026
66AQI (US)
16th May 2026
76AQI (US)
17th May 2026
66AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
74AQI (US)
23rd May 2026
71AQI (US)
24th May 2026
70AQI (US)
25th May 2026
65AQI (US)
26th May 2026
48AQI (US)
27th May 2026
28AQI (US)
28th May 2026
37AQI (US)
29th May 2026
61AQI (US)
30th May 2026
62AQI (US)
31st May 2026
44AQI (US)
1st June 2026
40AQI (US)
2nd June 2026
58AQI (US)
3rd June 2026
76AQI (US)
4th June 2026
73AQI (US)
5th June 2026
23AQI (US)
6th June 2026
40AQI (US)
7th June 2026
22AQI (US)
8th June 2026
46AQI (US)
9th June 2026
42AQI (US)
10th June 2026
56AQI (US)
11th June 2026
71AQI (US)
12th June 2026
54AQI (US)
13th June 2026
41AQI (US)
14th June 2026
47AQI (US)
15th June 2026
41AQI (US)
16th June 2026
62AQI (US)
17th June 2026
64AQI (US)
18th June 2026
51AQI (US)
19th June 2026
58AQI (US)
20th June 2026
13AQI (US)
21st June 2026
12AQI (US)
22nd June 2026
25AQI (US)
23rd June 2026
41AQI (US)
24th June 2026
9AQI (US)
25th June 2026
24AQI (US)
26th June 2026
34AQI (US)
27th June 2026
56AQI (US)
28th June 2026
49AQI (US)
29th June 2026
49AQI (US)
30th June 2026
46AQI (US)
1st July 2026
48AQI (US)
2nd July 2026
34AQI (US)
3rd July 2026
31AQI (US)
4th July 2026
53AQI (US)
5th July 2026
33AQI (US)
6th July 2026
38AQI (US)
7th July 2026
35AQI (US)
8th July 2026
26AQI (US)
9th July 2026
19AQI (US)
10th July 2026
29AQI (US)
11th July 2026
37AQI (US)
12th July 2026
60AQI (US)
13th July 2026
41AQI (US)
14th July 2026
29AQI (US)
15th July 2026
45AQI (US)
16th July 2026
61AQI (US)
17th July 2026
70AQI (US)
18th July 2026
37AQI (US)
19th July 2026
33AQI (US)
20th July 2026
29AQI (US)
21st July 2026
32AQI (US)
22nd July 2026
39AQI (US)
23rd July 2026
53AQI (US)
24th July 2026
46AQI (US)
25th July 2026
28AQI (US)
26th July 2026
25AQI (US)
27th July 2026
28AQI (US)
28th July 2026
42AQI (US)
29th July 2026
26AQI (US)
30th July 2026
25AQI (US)
31st July 2026
42AQI (US)
1st August 2026
65AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
49AQI (US)
4th August 2026
65AQI (US)
5th August 2026
31AQI (US)
6th August 2026
47AQI (US)
7th August 2026
47AQI (US)
8th August 2026
28AQI (US)
9th August 2026
10AQI (US)
10th August 2026
20AQI (US)
11th August 2026
27AQI (US)
12th August 2026
26AQI (US)
13th August 2026
27AQI (US)
14th August 2026
29AQI (US)
15th August 2026
52AQI (US)
16th August 2026
35AQI (US)
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

56AQI (US)

72AQI (US)

81AQI (US)

62AQI (US)

53AQI (US)

44AQI (US)

38AQI (US)

37AQI (US)

No. of days

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

202656AQI (US)

13
16
2
12
9
7
6
16
9
11
15
2
14
16
19
11
26
5
13
3
114
91
20

Highest AQI (US) recorded in

March

81AQI (US)

Lowest AQI (US) recorded in

August

37AQI (US)

202563AQI (US)

1
25
5
7
20
1
3
18
10
3
27
7
24
4
25
1
14
17
16
15
23
7
19
12
6
20
4
11
18
2
114
228
23

Highest AQI (US) recorded in

March

86AQI (US)

Lowest AQI (US) recorded in

September

42AQI (US)

202462AQI (US)

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 (US) recorded in

April

78AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202367AQI (US)

9
13
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
193
47
5

Highest AQI (US) recorded in

March

93AQI (US)

Lowest AQI (US) recorded in

July

43AQI (US)

202269AQI (US)

2
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
89
179
38
6

Highest AQI (US) recorded in

January

83AQI (US)

Lowest AQI (US) recorded in

August

26AQI (US)

202163AQI (US)

9
20
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
165
30
5
2
1

Highest AQI (US) recorded in

March

93AQI (US)

Lowest AQI (US) recorded in

September

32AQI (US)

202057AQI (US)

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 (US) recorded in

December

74AQI (US)

Lowest AQI (US) recorded in

August

33AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
69AQI (US)
Least Polluted Year Recorded
2026(Avg.)
56AQI (US)

Part Dong's annual 2026 AQI (US) (56) shows an average percentage change of -11.4% (improved AQI (US)) compared to previous years: 2020 (57), 2021 (63), 2022 (69), 2023 (67), 2024 (62), 2025 (63).