Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Hyangnam, 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

Hyangnam, Osan, Gyeonggi, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
26th Aug 2024
95AQI
Lowest AQI recorded on
9th Aug 2026
26AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2024 and 2023 on the same day.

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

Hyangnam, Osan, Gyeonggi, South Korea

AQI
Day
Night
.

5 AM16th Aug 2026

7 PM

4 AM17th Aug 2026

Day time
Avg. Highest Time
12PM16th Aug

44AQI

Avg. Lowest Time
3PM16th Aug

23AQI

Night time
Avg. Highest Time
8PM16th Aug

38AQI

Avg. Lowest Time
2AM17th Aug

23AQI

In the last 24 hours,

Hyangnam's AQI reached its highest point of 44 at 12 PM during the Day, while the lowest point, 23, was recorded at 2 AM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Hyangnam, 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 2026125 AMAQI
19th Jul 202686 AMAQI
19th Jul 202697 AMAQI
19th Jul 2026278 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20263110 AMAQI
19th Jul 20262311 AMAQI
19th Jul 20263212 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026272 PMAQI
19th Jul 2026173 PMAQI
19th Jul 2026274 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026127 PMAQI
19th Jul 2026128 PMAQI
19th Jul 2026389 PMAQI
19th Jul 20265010 PMAQI
19th Jul 20264011 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026271 AMAQI
20th Jul 2026362 AMAQI
20th Jul 2026333 AMAQI
20th Jul 2026364 AMAQI

24°C23/24°C

20th Jul 2026365 AMAQI
20th Jul 2026386 AMAQI
20th Jul 2026387 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026429 AMAQI
20th Jul 20264010 AMAQI
20th Jul 20263111 AMAQI
20th Jul 20262712 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026253 PMAQI
20th Jul 2026234 PMAQI
20th Jul 2026215 PMAQI
20th Jul 2026216 PMAQI
20th Jul 2026217 PMAQI
20th Jul 2026278 PMAQI
20th Jul 2026279 PMAQI
20th Jul 20262310 PMAQI
20th Jul 20263311 PMAQI
21st Jul 20263812 AMAQI
21st Jul 2026381 AMAQI
21st Jul 2026422 AMAQI
21st Jul 2026333 AMAQI
21st Jul 2026364 AMAQI

25°C22/29°C

21st Jul 2026365 AMAQI
21st Jul 2026406 AMAQI
21st Jul 2026317 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026349 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20263811 AMAQI
21st Jul 2026421 PMAQI
21st Jul 2026402 PMAQI
21st Jul 2026343 PMAQI
21st Jul 2026274 PMAQI
21st Jul 2026275 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026737 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026409 PMAQI
21st Jul 20264010 PMAQI
21st Jul 20264211 PMAQI
22nd Jul 20264412 AMAQI
22nd Jul 2026421 AMAQI
22nd Jul 2026362 AMAQI
22nd Jul 2026253 AMAQI
22nd Jul 2026294 AMAQI

25°C23/28°C

22nd Jul 2026255 AMAQI
22nd Jul 2026256 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026238 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20262510 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026361 PMAQI
22nd Jul 2026542 PMAQI
22nd Jul 2026563 PMAQI
22nd Jul 2026584 PMAQI
22nd Jul 2026545 PMAQI
22nd Jul 2026566 PMAQI
22nd Jul 2026557 PMAQI
22nd Jul 2026578 PMAQI
22nd Jul 2026579 PMAQI
22nd Jul 20265010 PMAQI
22nd Jul 20265411 PMAQI
23rd Jul 20265612 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026532 AMAQI
23rd Jul 2026553 AMAQI
23rd Jul 2026524 AMAQI

26°C24/30°C

23rd Jul 2026535 AMAQI
23rd Jul 2026536 AMAQI
23rd Jul 2026527 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026509 AMAQI
23rd Jul 20265110 AMAQI
23rd Jul 20265711 AMAQI
23rd Jul 20265412 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026462 PMAQI
23rd Jul 2026553 PMAQI
23rd Jul 2026334 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026727 PMAQI
23rd Jul 2026698 PMAQI
23rd Jul 2026679 PMAQI
23rd Jul 20265710 PMAQI
23rd Jul 20265511 PMAQI
24th Jul 20264812 AMAQI
24th Jul 2026571 AMAQI
24th Jul 2026442 AMAQI
24th Jul 2026533 AMAQI
24th Jul 2026484 AMAQI

26°C23/29°C

24th Jul 2026465 AMAQI
24th Jul 2026316 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20265112 PMAQI
24th Jul 2026491 PMAQI
24th Jul 2026492 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026494 PMAQI
24th Jul 2026485 PMAQI
24th Jul 2026446 PMAQI
24th Jul 2026367 PMAQI
24th Jul 2026408 PMAQI
24th Jul 2026449 PMAQI
24th Jul 20263310 PMAQI
24th Jul 20263611 PMAQI
25th Jul 20263312 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026332 AMAQI
25th Jul 2026343 AMAQI
25th Jul 2026294 AMAQI

27°C23/31°C

25th Jul 2026295 AMAQI
25th Jul 2026316 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026318 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20262910 AMAQI
25th Jul 20262511 AMAQI
25th Jul 20262912 PMAQI
25th Jul 2026341 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026333 PMAQI
25th Jul 2026314 PMAQI
25th Jul 2026275 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026251 AMAQI
26th Jul 2026232 AMAQI
26th Jul 2026233 AMAQI
26th Jul 2026214 AMAQI

27°C24/31°C

26th Jul 2026235 AMAQI
26th Jul 2026256 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026219 AMAQI
26th Jul 20262310 AMAQI
26th Jul 20262511 AMAQI
26th Jul 20262312 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026303 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026387 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20263612 AMAQI
27th Jul 2026311 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026333 AMAQI
27th Jul 2026254 AMAQI

27°C24/31°C

27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20262511 AMAQI
27th Jul 20262912 PMAQI
27th Jul 2026211 PMAQI
27th Jul 2026332 PMAQI
27th Jul 2026333 PMAQI
27th Jul 2026294 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026466 PMAQI
27th Jul 2026627 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026369 PMAQI
27th Jul 20262210 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20262112 AMAQI
28th Jul 2026211 AMAQI
28th Jul 2026252 AMAQI
28th Jul 2026213 AMAQI
28th Jul 2026254 AMAQI

28°C24/32°C

28th Jul 2026235 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026279 AMAQI
28th Jul 20263110 AMAQI
28th Jul 20264211 AMAQI
28th Jul 20264812 PMAQI
28th Jul 2026521 PMAQI
28th Jul 2026532 PMAQI
28th Jul 2026573 PMAQI
28th Jul 2026604 PMAQI
28th Jul 2026595 PMAQI
28th Jul 2026596 PMAQI
28th Jul 2026587 PMAQI
28th Jul 2026548 PMAQI
28th Jul 2026529 PMAQI
28th Jul 20264710 PMAQI
28th Jul 20264011 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026333 AMAQI
29th Jul 2026334 AMAQI

27°C25/30°C

29th Jul 2026315 AMAQI
29th Jul 2026296 AMAQI
29th Jul 2026297 AMAQI
29th Jul 2026318 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262310 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026216 PMAQI
29th Jul 2026257 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262512 AMAQI
30th Jul 2026291 AMAQI
30th Jul 2026272 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026254 AMAQI

26°C24/30°C

30th Jul 2026295 AMAQI
30th Jul 2026296 AMAQI
30th Jul 2026277 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026299 AMAQI
30th Jul 20262910 AMAQI
30th Jul 20262511 AMAQI
30th Jul 20262512 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026233 PMAQI
30th Jul 2026214 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026259 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20263011 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026363 AMAQI
31st Jul 2026514 AMAQI

26°C23/31°C

31st Jul 2026515 AMAQI
31st Jul 2026406 AMAQI
31st Jul 2026447 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026319 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20263311 AMAQI
31st Jul 20263812 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026533 PMAQI
31st Jul 2026534 PMAQI
31st Jul 2026515 PMAQI
31st Jul 2026506 PMAQI
31st Jul 2026517 PMAQI
31st Jul 2026558 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20266010 PMAQI
31st Jul 20265811 PMAQI
1st Aug 20265812 AMAQI
1st Aug 2026711 AMAQI
1st Aug 2026702 AMAQI
1st Aug 2026663 AMAQI
1st Aug 2026924 AMAQI

27°C23/32°C

1st Aug 2026825 AMAQI
1st Aug 2026716 AMAQI
1st Aug 2026907 AMAQI
1st Aug 2026808 AMAQI
1st Aug 2026749 AMAQI
1st Aug 20266910 AMAQI
1st Aug 20267811 AMAQI
1st Aug 20267812 PMAQI
1st Aug 2026711 PMAQI
1st Aug 2026332 PMAQI
1st Aug 2026653 PMAQI
1st Aug 2026804 PMAQI
1st Aug 2026765 PMAQI
1st Aug 2026676 PMAQI
1st Aug 2026647 PMAQI
1st Aug 2026628 PMAQI
1st Aug 2026629 PMAQI
1st Aug 20266010 PMAQI
1st Aug 20266411 PMAQI
2nd Aug 20266012 AMAQI
2nd Aug 2026581 AMAQI
2nd Aug 2026522 AMAQI
2nd Aug 2026383 AMAQI
2nd Aug 2026334 AMAQI

28°C25/32°C

2nd Aug 2026425 AMAQI
2nd Aug 2026516 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026409 AMAQI
2nd Aug 20264510 AMAQI
2nd Aug 20265111 AMAQI
2nd Aug 20265712 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026382 PMAQI
2nd Aug 2026383 PMAQI
2nd Aug 2026344 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026367 PMAQI
2nd Aug 2026278 PMAQI
2nd Aug 2026219 PMAQI
2nd Aug 20262510 PMAQI
2nd Aug 20263111 PMAQI
3rd Aug 20264212 AMAQI
3rd Aug 2026381 AMAQI
3rd Aug 2026252 AMAQI
3rd Aug 2026273 AMAQI
3rd Aug 2026334 AMAQI

28°C24/32°C

3rd Aug 2026315 AMAQI
3rd Aug 2026406 AMAQI
3rd Aug 2026407 AMAQI
3rd Aug 2026528 AMAQI
3rd Aug 2026569 AMAQI
3rd Aug 20265610 AMAQI
3rd Aug 20264811 AMAQI
3rd Aug 20266312 PMAQI
3rd Aug 2026741 PMAQI
3rd Aug 2026722 PMAQI
3rd Aug 2026763 PMAQI
3rd Aug 2026784 PMAQI
3rd Aug 2026625 PMAQI
3rd Aug 2026766 PMAQI
3rd Aug 2026667 PMAQI
3rd Aug 2026688 PMAQI
3rd Aug 2026669 PMAQI
3rd Aug 20266910 PMAQI
3rd Aug 20266611 PMAQI
4th Aug 20265212 AMAQI
4th Aug 2026531 AMAQI
4th Aug 2026622 AMAQI
4th Aug 2026623 AMAQI
4th Aug 2026564 AMAQI

28°C24/34°C

4th Aug 2026465 AMAQI
4th Aug 2026586 AMAQI
4th Aug 2026747 AMAQI
4th Aug 2026728 AMAQI
4th Aug 2026759 AMAQI
4th Aug 20266910 AMAQI
4th Aug 20266411 AMAQI
4th Aug 20266412 PMAQI
4th Aug 20261081 PMAQI
4th Aug 2026922 PMAQI
4th Aug 2026903 PMAQI
4th Aug 2026944 PMAQI
4th Aug 20261045 PMAQI
4th Aug 2026996 PMAQI
4th Aug 2026967 PMAQI
4th Aug 2026868 PMAQI
4th Aug 2026839 PMAQI
4th Aug 20268410 PMAQI
4th Aug 20268511 PMAQI
5th Aug 20266712 AMAQI
5th Aug 2026511 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026403 AMAQI
5th Aug 2026384 AMAQI

29°C25/35°C

5th Aug 2026445 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026388 AMAQI
5th Aug 2026389 AMAQI
5th Aug 20263610 AMAQI
5th Aug 20262711 AMAQI
5th Aug 20263112 PMAQI
5th Aug 2026311 PMAQI
5th Aug 2026312 PMAQI
5th Aug 2026363 PMAQI
5th Aug 2026364 PMAQI
5th Aug 2026405 PMAQI
5th Aug 2026426 PMAQI
5th Aug 2026467 PMAQI
5th Aug 2026508 PMAQI
5th Aug 2026569 PMAQI
5th Aug 20265810 PMAQI
5th Aug 20266411 PMAQI
6th Aug 20266012 AMAQI
6th Aug 2026621 AMAQI
6th Aug 2026662 AMAQI
6th Aug 2026653 AMAQI
6th Aug 2026744 AMAQI

29°C25/34°C

6th Aug 2026725 AMAQI
6th Aug 2026696 AMAQI
6th Aug 2026747 AMAQI
6th Aug 2026808 AMAQI
6th Aug 2026599 AMAQI
6th Aug 20265010 AMAQI
6th Aug 20264211 AMAQI
6th Aug 20263312 PMAQI
6th Aug 2026271 PMAQI
6th Aug 2026312 PMAQI
6th Aug 2026363 PMAQI
6th Aug 2026364 PMAQI
6th Aug 2026385 PMAQI
6th Aug 2026406 PMAQI
6th Aug 2026367 PMAQI
6th Aug 2026508 PMAQI
6th Aug 2026559 PMAQI
6th Aug 20266610 PMAQI
6th Aug 20268111 PMAQI
7th Aug 20268612 AMAQI
7th Aug 2026851 AMAQI
7th Aug 2026922 AMAQI
7th Aug 2026943 AMAQI
7th Aug 2026904 AMAQI

30°C26/35°C

7th Aug 2026985 AMAQI
7th Aug 2026926 AMAQI
7th Aug 2026887 AMAQI
7th Aug 2026808 AMAQI
7th Aug 2026789 AMAQI
7th Aug 20267910 AMAQI
7th Aug 20267411 AMAQI
7th Aug 20267512 PMAQI
7th Aug 2026751 PMAQI
7th Aug 2026402 PMAQI
7th Aug 2026363 PMAQI
7th Aug 2026334 PMAQI
7th Aug 2026385 PMAQI
7th Aug 2026466 PMAQI
7th Aug 2026547 PMAQI
7th Aug 2026558 PMAQI
7th Aug 2026609 PMAQI
7th Aug 20265810 PMAQI
7th Aug 20266211 PMAQI
8th Aug 20266212 AMAQI
8th Aug 2026691 AMAQI
8th Aug 2026682 AMAQI
8th Aug 2026693 AMAQI
8th Aug 2026674 AMAQI

30°C25/35°C

8th Aug 2026625 AMAQI
8th Aug 2026536 AMAQI
8th Aug 2026387 AMAQI
8th Aug 2026338 AMAQI
8th Aug 2026389 AMAQI
8th Aug 20263110 AMAQI
8th Aug 20262511 AMAQI
8th Aug 20263312 PMAQI
8th Aug 2026211 PMAQI
8th Aug 2026232 PMAQI
8th Aug 2026303 PMAQI
8th Aug 2026384 PMAQI
8th Aug 2026365 PMAQI
8th Aug 2026326 PMAQI
8th Aug 2026277 PMAQI
8th Aug 2026308 PMAQI
8th Aug 2026329 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20262912 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026212 AMAQI
9th Aug 2026273 AMAQI
9th Aug 2026254 AMAQI

29°C23/35°C

9th Aug 2026295 AMAQI
9th Aug 2026296 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026292 PMAQI
9th Aug 2026293 PMAQI
9th Aug 2026254 PMAQI
9th Aug 2026295 PMAQI
9th Aug 2026316 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026258 PMAQI
9th Aug 2026259 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262512 AMAQI
10th Aug 2026251 AMAQI
10th Aug 2026252 AMAQI
10th Aug 2026253 AMAQI
10th Aug 2026274 AMAQI

26°C22/31°C

10th Aug 2026255 AMAQI
10th Aug 2026296 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026278 AMAQI
10th Aug 2026319 AMAQI
10th Aug 20263610 AMAQI
10th Aug 20263311 AMAQI
10th Aug 20265412 PMAQI
10th Aug 2026461 PMAQI
10th Aug 2026272 PMAQI
10th Aug 2026293 PMAQI
10th Aug 2026404 PMAQI
10th Aug 2026315 PMAQI
10th Aug 2026296 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026388 PMAQI
10th Aug 2026339 PMAQI
10th Aug 20263610 PMAQI
10th Aug 20264211 PMAQI
11th Aug 20264012 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026382 AMAQI
11th Aug 2026403 AMAQI
11th Aug 2026254 AMAQI

27°C23/31°C

11th Aug 2026255 AMAQI
11th Aug 2026216 AMAQI
11th Aug 2026237 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026219 AMAQI
11th Aug 20263110 AMAQI
11th Aug 20263111 AMAQI
11th Aug 20263212 PMAQI
11th Aug 2026361 PMAQI
11th Aug 2026332 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026345 PMAQI
11th Aug 2026386 PMAQI
11th Aug 2026407 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026409 PMAQI
11th Aug 20265310 PMAQI
11th Aug 20265311 PMAQI
12th Aug 20264412 AMAQI
12th Aug 2026491 AMAQI
12th Aug 2026502 AMAQI
12th Aug 2026403 AMAQI
12th Aug 2026334 AMAQI

26°C22/32°C

12th Aug 2026455 AMAQI
12th Aug 2026496 AMAQI
12th Aug 2026427 AMAQI
12th Aug 2026338 AMAQI
12th Aug 2026539 AMAQI
12th Aug 20265110 AMAQI
12th Aug 20265011 AMAQI
12th Aug 20266012 PMAQI
12th Aug 2026501 PMAQI
12th Aug 2026482 PMAQI
12th Aug 2026483 PMAQI
12th Aug 2026424 PMAQI
12th Aug 2026565 PMAQI
12th Aug 2026596 PMAQI
12th Aug 2026607 PMAQI
12th Aug 2026528 PMAQI
12th Aug 2026579 PMAQI
12th Aug 20265510 PMAQI
12th Aug 20265411 PMAQI
13th Aug 20265512 AMAQI
13th Aug 2026541 AMAQI
13th Aug 2026482 AMAQI
13th Aug 2026483 AMAQI
13th Aug 2026444 AMAQI

24°C18/30°C

13th Aug 2026485 AMAQI
13th Aug 2026486 AMAQI
13th Aug 2026487 AMAQI
13th Aug 2026488 AMAQI
13th Aug 2026609 AMAQI
13th Aug 20266410 AMAQI
13th Aug 20266211 AMAQI
13th Aug 20265812 PMAQI
13th Aug 2026511 PMAQI
13th Aug 2026472 PMAQI
13th Aug 2026313 PMAQI
13th Aug 2026384 PMAQI
13th Aug 2026285 PMAQI
13th Aug 2026316 PMAQI
13th Aug 2026407 PMAQI
13th Aug 2026448 PMAQI
13th Aug 2026459 PMAQI
13th Aug 20264410 PMAQI
13th Aug 20265011 PMAQI
14th Aug 20264912 AMAQI
14th Aug 2026491 AMAQI
14th Aug 2026482 AMAQI
14th Aug 2026513 AMAQI
14th Aug 2026504 AMAQI

26°C21/31°C

14th Aug 2026465 AMAQI
14th Aug 2026426 AMAQI
14th Aug 2026387 AMAQI
14th Aug 2026408 AMAQI
14th Aug 2026429 AMAQI
14th Aug 20265610 AMAQI
14th Aug 20266211 AMAQI
14th Aug 20265512 PMAQI
14th Aug 2026491 PMAQI
14th Aug 2026482 PMAQI
14th Aug 2026483 PMAQI
14th Aug 2026504 PMAQI
14th Aug 2026425 PMAQI
14th Aug 2026546 PMAQI
14th Aug 2026647 PMAQI
14th Aug 2026668 PMAQI
14th Aug 2026649 PMAQI
14th Aug 20266810 PMAQI
14th Aug 20266411 PMAQI
15th Aug 20265912 AMAQI
15th Aug 2026641 AMAQI
15th Aug 2026622 AMAQI
15th Aug 2026653 AMAQI
15th Aug 2026724 AMAQI

26°C22/30°C

15th Aug 2026725 AMAQI
15th Aug 2026586 AMAQI
15th Aug 2026647 AMAQI
15th Aug 2026698 AMAQI
15th Aug 2026709 AMAQI
15th Aug 20267610 AMAQI
15th Aug 20268011 AMAQI
15th Aug 20267512 PMAQI
15th Aug 2026731 PMAQI
15th Aug 2026702 PMAQI
15th Aug 2026623 PMAQI
15th Aug 2026624 PMAQI
15th Aug 2026555 PMAQI
15th Aug 2026576 PMAQI
15th Aug 2026487 PMAQI
15th Aug 2026548 PMAQI
15th Aug 2026579 PMAQI
15th Aug 20266410 PMAQI
15th Aug 20266011 PMAQI
16th Aug 20266312 AMAQI
16th Aug 2026631 AMAQI
16th Aug 2026622 AMAQI
16th Aug 2026673 AMAQI
16th Aug 2026584 AMAQI

25°C23/27°C

16th Aug 2026365 AMAQI
16th Aug 2026386 AMAQI
16th Aug 2026367 AMAQI
16th Aug 2026258 AMAQI
16th Aug 2026319 AMAQI
16th Aug 20263110 AMAQI
16th Aug 20264211 AMAQI
16th Aug 20264412 PMAQI
16th Aug 2026341 PMAQI
16th Aug 2026232 PMAQI
16th Aug 2026233 PMAQI
16th Aug 2026254 PMAQI
16th Aug 2026405 PMAQI
16th Aug 2026406 PMAQI
16th Aug 2026367 PMAQI
16th Aug 2026388 PMAQI
16th Aug 2026299 PMAQI
16th Aug 20262910 PMAQI
16th Aug 20262511 PMAQI
17th Aug 20262312 AMAQI
17th Aug 2026291 AMAQI
17th Aug 2026232 AMAQI
17th Aug 2026293 AMAQI
17th Aug 2026294 AMAQI

24°C22/27°C

17th Aug 2026215 AMAQI
5 AM
17th Aug 2026256 AMAQI
17th Aug 2026297 AMAQI
17th Aug 2026258 AMAQI
17th Aug 2026259 AMAQI
17th Aug 20262510 AMAQI
17th Aug 20262511 AMAQI
17th Aug 20263312 PMAQI
12 PM
17th Aug 2026311 PMAQI
17th Aug 2026292 PMAQI
17th Aug 2026313 PMAQI
17th Aug 2026254 PMAQI
17th Aug 2026275 PMAQI
17th Aug 2026346 PMAQI
17th Aug 2026347 PMAQI
7 PM
17th Aug 2026348 PMAQI
17th Aug 2026449 PMAQI
17th Aug 20263810 PMAQI
17th Aug 20264411 PMAQI
12 AM
4 AM

13°C13/14°C

Day time
Avg. Highest Time
7 PM

45AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 8 AM

41AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 45), while the lowest AQI was between 5 AM to 8 AM (Avg. 41).
Night time
Avg. Highest Time
11 PM

47AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 8 PM

43AQI

6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 47), while the lowest AQI was between 12 AM to 8 PM (Avg. 43).

2026 Days Vs Air Quality

Hyangnam, Osan, Gyeonggi, South Korea

2026

44%

99

44%

99

12%

26

0.4%

1

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

Good
99 Days
Moderate
99 Days
Poor
26 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 44%

Health Risk Level:

Significant

In 2026, 44% of 229 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Hyangnam, 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
28AQI (US)
2nd January 2026
37AQI (US)
3rd January 2026
52AQI (US)
4th January 2026
78AQI (US)
5th January 2026
52AQI (US)
6th January 2026
55AQI (US)
7th January 2026
54AQI (US)
8th January 2026
23AQI (US)
9th January 2026
38AQI (US)
10th January 2026
62AQI (US)
11th January 2026
22AQI (US)
12th January 2026
38AQI (US)
13th January 2026
37AQI (US)
14th January 2026
27AQI (US)
15th January 2026
95AQI (US)
16th January 2026
134AQI (US)
17th January 2026
122AQI (US)
18th January 2026
92AQI (US)
19th January 2026
61AQI (US)
20th January 2026
31AQI (US)
21st January 2026
37AQI (US)
22nd January 2026
29AQI (US)
23rd January 2026
50AQI (US)
24th January 2026
55AQI (US)
25th January 2026
20AQI (US)
26th January 2026
50AQI (US)
27th January 2026
52AQI (US)
28th January 2026
33AQI (US)
29th January 2026
41AQI (US)
30th January 2026
51AQI (US)
31st January 2026
60AQI (US)
1st February 2026
69AQI (US)
2nd February 2026
72AQI (US)
3rd February 2026
53AQI (US)
4th February 2026
116AQI (US)
5th February 2026
132AQI (US)
6th February 2026
65AQI (US)
7th February 2026
42AQI (US)
8th February 2026
43AQI (US)
9th February 2026
48AQI (US)
10th February 2026
90AQI (US)
11th February 2026
107AQI (US)
12th February 2026
115AQI (US)
13th February 2026
138AQI (US)
14th February 2026
156AQI (US)
15th February 2026
123AQI (US)
16th February 2026
49AQI (US)
17th February 2026
46AQI (US)
18th February 2026
46AQI (US)
19th February 2026
44AQI (US)
20th February 2026
85AQI (US)
21st February 2026
99AQI (US)
22nd February 2026
52AQI (US)
23rd February 2026
24AQI (US)
24th February 2026
33AQI (US)
25th February 2026
50AQI (US)
26th February 2026
36AQI (US)
27th February 2026
27AQI (US)
28th February 2026
48AQI (US)
1st March 2026
37AQI (US)
2nd March 2026
14AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
63AQI (US)
5th March 2026
103AQI (US)
6th March 2026
67AQI (US)
7th March 2026
51AQI (US)
8th March 2026
52AQI (US)
9th March 2026
93AQI (US)
10th March 2026
102AQI (US)
11th March 2026
95AQI (US)
12th March 2026
105AQI (US)
13th March 2026
40AQI (US)
14th March 2026
60AQI (US)
15th March 2026
94AQI (US)
16th March 2026
134AQI (US)
17th March 2026
140AQI (US)
18th March 2026
120AQI (US)
19th March 2026
52AQI (US)
20th March 2026
63AQI (US)
21st March 2026
101AQI (US)
22nd March 2026
91AQI (US)
23rd March 2026
129AQI (US)
24th March 2026
107AQI (US)
25th March 2026
102AQI (US)
26th March 2026
119AQI (US)
27th March 2026
131AQI (US)
28th March 2026
99AQI (US)
29th March 2026
102AQI (US)
30th March 2026
102AQI (US)
31st March 2026
67AQI (US)
1st April 2026
85AQI (US)
2nd April 2026
109AQI (US)
3rd April 2026
121AQI (US)
4th April 2026
62AQI (US)
5th April 2026
83AQI (US)
6th April 2026
56AQI (US)
7th April 2026
24AQI (US)
8th April 2026
39AQI (US)
9th April 2026
45AQI (US)
10th April 2026
44AQI (US)
11th April 2026
85AQI (US)
12th April 2026
79AQI (US)
13th April 2026
89AQI (US)
14th April 2026
88AQI (US)
15th April 2026
131AQI (US)
16th April 2026
65AQI (US)
17th April 2026
18th April 2026
56AQI (US)
19th April 2026
68AQI (US)
20th April 2026
72AQI (US)
21st April 2026
67AQI (US)
22nd April 2026
23rd April 2026
53AQI (US)
24th April 2026
37AQI (US)
25th April 2026
60AQI (US)
26th April 2026
64AQI (US)
27th April 2026
59AQI (US)
28th April 2026
40AQI (US)
29th April 2026
53AQI (US)
30th April 2026
55AQI (US)
1st May 2026
51AQI (US)
2nd May 2026
109AQI (US)
3rd May 2026
49AQI (US)
4th May 2026
30AQI (US)
5th May 2026
45AQI (US)
6th May 2026
33AQI (US)
7th May 2026
36AQI (US)
8th May 2026
39AQI (US)
9th May 2026
10th May 2026
37AQI (US)
11th May 2026
43AQI (US)
12th May 2026
45AQI (US)
13th May 2026
57AQI (US)
14th May 2026
65AQI (US)
15th May 2026
75AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
55AQI (US)
19th May 2026
52AQI (US)
20th May 2026
64AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
79AQI (US)
23rd May 2026
71AQI (US)
24th May 2026
70AQI (US)
25th May 2026
65AQI (US)
26th May 2026
49AQI (US)
27th May 2026
34AQI (US)
28th May 2026
47AQI (US)
29th May 2026
68AQI (US)
30th May 2026
69AQI (US)
31st May 2026
56AQI (US)
1st June 2026
47AQI (US)
2nd June 2026
67AQI (US)
3rd June 2026
88AQI (US)
4th June 2026
86AQI (US)
5th June 2026
28AQI (US)
6th June 2026
49AQI (US)
7th June 2026
28AQI (US)
8th June 2026
54AQI (US)
9th June 2026
39AQI (US)
10th June 2026
60AQI (US)
11th June 2026
74AQI (US)
12th June 2026
58AQI (US)
13th June 2026
53AQI (US)
14th June 2026
58AQI (US)
15th June 2026
48AQI (US)
16th June 2026
68AQI (US)
17th June 2026
85AQI (US)
18th June 2026
56AQI (US)
19th June 2026
74AQI (US)
20th June 2026
29AQI (US)
21st June 2026
20AQI (US)
22nd June 2026
34AQI (US)
23rd June 2026
48AQI (US)
24th June 2026
14AQI (US)
25th June 2026
25AQI (US)
26th June 2026
39AQI (US)
27th June 2026
69AQI (US)
28th June 2026
58AQI (US)
29th June 2026
53AQI (US)
30th June 2026
45AQI (US)
1st July 2026
53AQI (US)
2nd July 2026
39AQI (US)
3rd July 2026
41AQI (US)
4th July 2026
54AQI (US)
5th July 2026
44AQI (US)
6th July 2026
39AQI (US)
7th July 2026
48AQI (US)
8th July 2026
31AQI (US)
9th July 2026
32AQI (US)
10th July 2026
28AQI (US)
11th July 2026
32AQI (US)
12th July 2026
52AQI (US)
13th July 2026
35AQI (US)
14th July 2026
24AQI (US)
15th July 2026
34AQI (US)
16th July 2026
61AQI (US)
17th July 2026
76AQI (US)
18th July 2026
38AQI (US)
19th July 2026
26AQI (US)
20th July 2026
30AQI (US)
21st July 2026
37AQI (US)
22nd July 2026
41AQI (US)
23rd July 2026
53AQI (US)
24th July 2026
45AQI (US)
25th July 2026
29AQI (US)
26th July 2026
26AQI (US)
27th July 2026
32AQI (US)
28th July 2026
39AQI (US)
29th July 2026
27AQI (US)
30th July 2026
26AQI (US)
31st July 2026
44AQI (US)
1st August 2026
70AQI (US)
2nd August 2026
41AQI (US)
3rd August 2026
55AQI (US)
4th August 2026
76AQI (US)
5th August 2026
43AQI (US)
6th August 2026
54AQI (US)
7th August 2026
70AQI (US)
8th August 2026
41AQI (US)
9th August 2026
26AQI (US)
10th August 2026
32AQI (US)
11th August 2026
33AQI (US)
12th August 2026
49AQI (US)
13th August 2026
47AQI (US)
14th August 2026
52AQI (US)
15th August 2026
64AQI (US)
16th August 2026
39AQI (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

52AQI (US)

72AQI (US)

86AQI (US)

67AQI (US)

57AQI (US)

52AQI (US)

39AQI (US)

50AQI (US)

No. of days

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

202660AQI (US)

16
13
2
13
8
6
1
4
13
14
6
19
3
12
17
1
14
16
25
6
9
7
99
99
26
1

Highest AQI (US) recorded in

March

86AQI (US)

Lowest AQI (US) recorded in

July

39AQI (US)

202562AQI (US)

1
24
6
9
18
1
4
17
10
3
27
7
24
4
25
1
15
16
22
9
24
6
17
13
1
7
18
4
1
11
18
2
124
215
25
1

Highest AQI (US) recorded in

March

83AQI (US)

Lowest AQI (US) recorded in

September

42AQI (US)

202468AQI (US)

7
16
7
8
11
9
1
5
21
3
2
1
18
7
6
23
2
29
1
19
10
2
6
25
14
16
10
20
1
9
20
1
5
26
90
235
33
3

Highest AQI (US) recorded in

April

83AQI (US)

Lowest AQI (US) recorded in

July

50AQI (US)

202374AQI (US)

5
16
6
3
2
15
7
4
1
14
15
1
24
5
1
4
24
3
3
27
8
21
2
10
21
10
19
1
8
19
4
11
16
2
11
13
7
73
229
52
9

Highest AQI (US) recorded in

March

98AQI (US)

Lowest AQI (US) recorded in

September

57AQI (US)

202276AQI (US)

19
9
2
4
10
5
2
4
19
8
6
15
9
6
23
2
12
17
1
4
19
1
10
15
2
1
10
14
6
1
2
17
10
1
2
20
9
61
188
61
7

Highest AQI (US) recorded in

November

94AQI (US)

Lowest AQI (US) recorded in

August

27AQI (US)

202174AQI (US)

5
21
3
6
15
4
3
2
19
8
1
1
5
22
3
5
20
4
2
3
23
4
9
21
1
13
18
18
11
10
20
1
6
16
6
2
8
13
10
90
219
44
6
1
2

Highest AQI (US) recorded in

March

100AQI (US)

Lowest AQI (US) recorded in

September

50AQI (US)

202070AQI (US)

3
8
2
3
17
1
2
12
4
2
25
3
13
16
2
16
15
14
14
7
19
5
5
16
9
5
14
11
1
70
156
37
1

Highest AQI (US) recorded in

December

86AQI (US)

Lowest AQI (US) recorded in

September

52AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
76AQI (US)
Least Polluted Year Recorded
2026(Avg.)
60AQI (US)

Hyangnam's annual 2026 AQI (US) (60) shows an average percentage change of -14.6% (improved AQI (US)) compared to previous years: 2020 (70), 2021 (74), 2022 (76), 2023 (74), 2024 (68), 2025 (62).