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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Sapgyo eup, Hongseong, Chungnam, South Korea Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

August Air Quality Analysis

Sapgyo eup, Hongseong, Chungnam, South Korea

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
85AQI
Lowest AQI recorded on
9th Aug 2026
22AQI

Same Day Analysis (17th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

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

Sapgyo eup, Hongseong, Chungnam, South Korea

AQI
Day
Night
.

5 AM16th Aug 2026

7 PM

4 AM17th Aug 2026

Day time
Avg. Highest Time
11AM16th Aug

52AQI

Avg. Lowest Time
4PM16th Aug

25AQI

Night time
Avg. Highest Time
8PM16th Aug

46AQI

Avg. Lowest Time
4AM17th Aug

14AQI

In the last 24 hours,

Sapgyo eup's AQI reached its highest point of 52 at 11 AM during the Day, while the lowest point, 14, was recorded at 4 AM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Sapgyo eup, Hongseong, Chungnam, 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 2026295 AMAQI
19th Jul 2026486 AMAQI
19th Jul 2026427 AMAQI
19th Jul 2026368 AMAQI
19th Jul 2026319 AMAQI
19th Jul 20265310 AMAQI
19th Jul 20264011 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026311 PMAQI
19th Jul 2026342 PMAQI
19th Jul 2026333 PMAQI
19th Jul 2026384 PMAQI
19th Jul 2026295 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026257 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026299 PMAQI
19th Jul 20263110 PMAQI
19th Jul 20263111 PMAQI
20th Jul 20263812 AMAQI
20th Jul 2026441 AMAQI
20th Jul 2026402 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026424 AMAQI

24°C22/26°C

20th Jul 2026425 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026427 AMAQI
20th Jul 2026408 AMAQI
20th Jul 2026339 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262311 AMAQI
20th Jul 20262912 PMAQI
20th Jul 2026311 PMAQI
20th Jul 2026342 PMAQI
20th Jul 2026423 PMAQI
20th Jul 2026474 PMAQI
20th Jul 2026515 PMAQI
20th Jul 2026506 PMAQI
20th Jul 2026547 PMAQI
20th Jul 2026548 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20264210 PMAQI
20th Jul 20262911 PMAQI
21st Jul 20263612 AMAQI
21st Jul 2026341 AMAQI
21st Jul 2026272 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026334 AMAQI

25°C21/30°C

21st Jul 2026315 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026297 AMAQI
21st Jul 2026278 AMAQI
21st Jul 2026299 AMAQI
21st Jul 20263610 AMAQI
21st Jul 20264011 AMAQI
21st Jul 2026401 PMAQI
21st Jul 2026362 PMAQI
21st Jul 2026403 PMAQI
21st Jul 2026404 PMAQI
21st Jul 2026305 PMAQI
21st Jul 2026306 PMAQI
21st Jul 2026817 PMAQI
21st Jul 2026388 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20262710 PMAQI
21st Jul 20263311 PMAQI
22nd Jul 20263612 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026313 AMAQI
22nd Jul 2026364 AMAQI

25°C23/27°C

22nd Jul 2026445 AMAQI
22nd Jul 2026316 AMAQI
22nd Jul 2026257 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026389 AMAQI
22nd Jul 20263810 AMAQI
22nd Jul 20261711 AMAQI
22nd Jul 20263112 PMAQI
22nd Jul 2026511 PMAQI
22nd Jul 2026562 PMAQI
22nd Jul 2026553 PMAQI
22nd Jul 2026564 PMAQI
22nd Jul 2026245 PMAQI
22nd Jul 2026686 PMAQI
22nd Jul 2026597 PMAQI
22nd Jul 2026628 PMAQI
22nd Jul 2026669 PMAQI
22nd Jul 20267910 PMAQI
22nd Jul 20267211 PMAQI
23rd Jul 20267612 AMAQI
23rd Jul 2026711 AMAQI
23rd Jul 2026622 AMAQI
23rd Jul 2026573 AMAQI
23rd Jul 2026464 AMAQI

27°C24/31°C

23rd Jul 2026575 AMAQI
23rd Jul 2026586 AMAQI
23rd Jul 2026577 AMAQI
23rd Jul 2026308 AMAQI
23rd Jul 2026429 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20263611 AMAQI
23rd Jul 20265712 PMAQI
23rd Jul 2026641 PMAQI
23rd Jul 2026562 PMAQI
23rd Jul 2026553 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026515 PMAQI
23rd Jul 2026506 PMAQI
23rd Jul 2026667 PMAQI
23rd Jul 2026748 PMAQI
23rd Jul 2026639 PMAQI
23rd Jul 20265010 PMAQI
23rd Jul 20265511 PMAQI
24th Jul 20265212 AMAQI
24th Jul 2026491 AMAQI
24th Jul 2026492 AMAQI
24th Jul 2026363 AMAQI
24th Jul 2026594 AMAQI

26°C23/30°C

24th Jul 2026585 AMAQI
24th Jul 2026506 AMAQI
24th Jul 2026497 AMAQI
24th Jul 2026498 AMAQI
24th Jul 2026599 AMAQI
24th Jul 20265510 AMAQI
24th Jul 20265711 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026401 PMAQI
24th Jul 2026382 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026314 PMAQI
24th Jul 2026345 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026278 PMAQI
24th Jul 2026279 PMAQI
24th Jul 20265110 PMAQI
24th Jul 20264411 PMAQI
25th Jul 20263612 AMAQI
25th Jul 2026291 AMAQI
25th Jul 2026292 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026294 AMAQI

27°C23/32°C

25th Jul 2026255 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026277 AMAQI
25th Jul 2026298 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20263410 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026311 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026293 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026235 PMAQI
25th Jul 2026236 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026279 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026252 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026254 AMAQI

27°C23/31°C

26th Jul 2026215 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026238 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20263610 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026212 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026214 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026218 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262312 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026233 AMAQI
27th Jul 2026254 AMAQI

27°C24/32°C

27th Jul 2026295 AMAQI
27th Jul 2026316 AMAQI
27th Jul 2026337 AMAQI
27th Jul 2026368 AMAQI
27th Jul 2026369 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20263111 AMAQI
27th Jul 20263312 PMAQI
27th Jul 2026271 PMAQI
27th Jul 2026272 PMAQI
27th Jul 2026253 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20263111 PMAQI
28th Jul 20262712 AMAQI
28th Jul 2026291 AMAQI
28th Jul 2026382 AMAQI
28th Jul 2026423 AMAQI
28th Jul 2026334 AMAQI

27°C24/33°C

28th Jul 2026295 AMAQI
28th Jul 2026316 AMAQI
28th Jul 2026337 AMAQI
28th Jul 2026368 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20265312 PMAQI
28th Jul 2026571 PMAQI
28th Jul 2026572 PMAQI
28th Jul 2026693 PMAQI
28th Jul 2026624 PMAQI
28th Jul 2026535 PMAQI
28th Jul 2026556 PMAQI
28th Jul 2026447 PMAQI
28th Jul 2026428 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20263111 PMAQI
29th Jul 20263112 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026272 AMAQI
29th Jul 2026213 AMAQI
29th Jul 2026234 AMAQI

27°C24/32°C

29th Jul 2026235 AMAQI
29th Jul 2026216 AMAQI
29th Jul 2026257 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026259 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262911 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026231 PMAQI
29th Jul 2026232 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026256 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262510 PMAQI
29th Jul 20262311 PMAQI
30th Jul 20262712 AMAQI
30th Jul 2026251 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026233 AMAQI
30th Jul 2026254 AMAQI

26°C23/31°C

30th Jul 2026275 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026259 AMAQI
30th Jul 20263410 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20265912 PMAQI
30th Jul 2026331 PMAQI
30th Jul 2026272 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026294 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026276 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026239 PMAQI
30th Jul 20262110 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026252 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026214 AMAQI

26°C22/32°C

31st Jul 2026255 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026318 AMAQI
31st Jul 2026469 AMAQI
31st Jul 20266510 AMAQI
31st Jul 20266611 AMAQI
31st Jul 20267012 PMAQI
31st Jul 2026641 PMAQI
31st Jul 2026462 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026525 PMAQI
31st Jul 2026516 PMAQI
31st Jul 2026427 PMAQI
31st Jul 2026408 PMAQI
31st Jul 2026369 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20264411 PMAQI
1st Aug 20265112 AMAQI
1st Aug 2026571 AMAQI
1st Aug 2026602 AMAQI
1st Aug 2026703 AMAQI
1st Aug 2026734 AMAQI

27°C22/32°C

1st Aug 2026785 AMAQI
1st Aug 2026696 AMAQI
1st Aug 2026877 AMAQI
1st Aug 2026928 AMAQI
1st Aug 20261149 AMAQI
1st Aug 20269210 AMAQI
1st Aug 20268911 AMAQI
1st Aug 20267612 PMAQI
1st Aug 2026601 PMAQI
1st Aug 2026662 PMAQI
1st Aug 2026603 PMAQI
1st Aug 2026634 PMAQI
1st Aug 2026635 PMAQI
1st Aug 2026706 PMAQI
1st Aug 2026907 PMAQI
1st Aug 2026928 PMAQI
1st Aug 2026889 PMAQI
1st Aug 20267810 PMAQI
1st Aug 20265611 PMAQI
2nd Aug 20265412 AMAQI
2nd Aug 2026561 AMAQI
2nd Aug 2026512 AMAQI
2nd Aug 2026513 AMAQI
2nd Aug 2026404 AMAQI

28°C24/33°C

2nd Aug 2026445 AMAQI
2nd Aug 2026506 AMAQI
2nd Aug 2026537 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20262111 AMAQI
2nd Aug 20262112 PMAQI
2nd Aug 2026401 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026553 PMAQI
2nd Aug 2026574 PMAQI
2nd Aug 2026555 PMAQI
2nd Aug 2026586 PMAQI
2nd Aug 2026627 PMAQI
2nd Aug 2026588 PMAQI
2nd Aug 2026429 PMAQI
2nd Aug 20262810 PMAQI
2nd Aug 20262011 PMAQI
3rd Aug 20263112 AMAQI
3rd Aug 2026481 AMAQI
3rd Aug 2026562 AMAQI
3rd Aug 2026533 AMAQI
3rd Aug 2026424 AMAQI

28°C24/34°C

3rd Aug 2026465 AMAQI
3rd Aug 2026486 AMAQI
3rd Aug 2026587 AMAQI
3rd Aug 2026598 AMAQI
3rd Aug 2026589 AMAQI
3rd Aug 20265910 AMAQI
3rd Aug 20265611 AMAQI
3rd Aug 20265612 PMAQI
3rd Aug 2026681 PMAQI
3rd Aug 2026672 PMAQI
3rd Aug 2026683 PMAQI
3rd Aug 2026584 PMAQI
3rd Aug 2026625 PMAQI
3rd Aug 2026596 PMAQI
3rd Aug 2026557 PMAQI
3rd Aug 2026608 PMAQI
3rd Aug 2026599 PMAQI
3rd Aug 20266510 PMAQI
3rd Aug 20267211 PMAQI
4th Aug 20269012 AMAQI
4th Aug 2026891 AMAQI
4th Aug 2026882 AMAQI
4th Aug 2026843 AMAQI
4th Aug 2026764 AMAQI

28°C22/36°C

4th Aug 2026795 AMAQI
4th Aug 2026846 AMAQI
4th Aug 2026737 AMAQI
4th Aug 2026698 AMAQI
4th Aug 2026699 AMAQI
4th Aug 20266910 AMAQI
4th Aug 20268211 AMAQI
4th Aug 20268212 PMAQI
4th Aug 2026801 PMAQI
4th Aug 2026922 PMAQI
4th Aug 2026663 PMAQI
4th Aug 2026764 PMAQI
4th Aug 2026695 PMAQI
4th Aug 2026746 PMAQI
4th Aug 2026697 PMAQI
4th Aug 2026928 PMAQI
4th Aug 2026899 PMAQI
4th Aug 20269210 PMAQI
4th Aug 20267811 PMAQI
5th Aug 20265612 AMAQI
5th Aug 2026441 AMAQI
5th Aug 2026312 AMAQI
5th Aug 2026423 AMAQI
5th Aug 2026544 AMAQI

29°C24/37°C

5th Aug 2026335 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026317 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026239 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20263611 AMAQI
5th Aug 20263412 PMAQI
5th Aug 2026271 PMAQI
5th Aug 2026542 PMAQI
5th Aug 2026383 PMAQI
5th Aug 2026364 PMAQI
5th Aug 2026315 PMAQI
5th Aug 2026336 PMAQI
5th Aug 2026427 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026519 PMAQI
5th Aug 20264810 PMAQI
5th Aug 20267111 PMAQI
6th Aug 20269412 AMAQI
6th Aug 20261021 AMAQI
6th Aug 2026792 AMAQI
6th Aug 2026823 AMAQI
6th Aug 2026714 AMAQI

29°C24/36°C

6th Aug 2026685 AMAQI
6th Aug 2026926 AMAQI
6th Aug 2026877 AMAQI
6th Aug 2026768 AMAQI
6th Aug 2026839 AMAQI
6th Aug 20267210 AMAQI
6th Aug 20265811 AMAQI
6th Aug 20264212 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026422 PMAQI
6th Aug 2026443 PMAQI
6th Aug 2026274 PMAQI
6th Aug 2026315 PMAQI
6th Aug 2026316 PMAQI
6th Aug 2026347 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026549 PMAQI
6th Aug 20266410 PMAQI
6th Aug 20268711 PMAQI
7th Aug 202610012 AMAQI
7th Aug 20261081 AMAQI
7th Aug 20261082 AMAQI
7th Aug 20261043 AMAQI
7th Aug 20261084 AMAQI

29°C24/36°C

7th Aug 2026865 AMAQI
7th Aug 2026846 AMAQI
7th Aug 2026957 AMAQI
7th Aug 20261068 AMAQI
7th Aug 20261269 AMAQI
7th Aug 202612410 AMAQI
7th Aug 202611211 AMAQI
7th Aug 202612012 PMAQI
7th Aug 2026981 PMAQI
7th Aug 2026462 PMAQI
7th Aug 2026463 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026345 PMAQI
7th Aug 2026526 PMAQI
7th Aug 2026547 PMAQI
7th Aug 2026408 PMAQI
7th Aug 2026559 PMAQI
7th Aug 20267910 PMAQI
7th Aug 20267411 PMAQI
8th Aug 20267012 AMAQI
8th Aug 2026621 AMAQI
8th Aug 2026712 AMAQI
8th Aug 2026683 AMAQI
8th Aug 2026674 AMAQI

29°C24/37°C

8th Aug 2026805 AMAQI
8th Aug 2026806 AMAQI
8th Aug 2026927 AMAQI
8th Aug 2026828 AMAQI
8th Aug 2026849 AMAQI
8th Aug 20269210 AMAQI
8th Aug 20267611 AMAQI
8th Aug 20262912 PMAQI
8th Aug 2026231 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026233 PMAQI
8th Aug 2026144 PMAQI
8th Aug 2026215 PMAQI
8th Aug 2026486 PMAQI
8th Aug 2026327 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026259 PMAQI
8th Aug 20263110 PMAQI
8th Aug 20262111 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026141 AMAQI
9th Aug 2026172 AMAQI
9th Aug 2026123 AMAQI
9th Aug 2026164 AMAQI

29°C25/36°C

9th Aug 2026275 AMAQI
9th Aug 2026256 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026318 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20261410 AMAQI
9th Aug 20261911 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026251 PMAQI
9th Aug 2026212 PMAQI
9th Aug 2026173 PMAQI
9th Aug 2026194 PMAQI
9th Aug 2026155 PMAQI
9th Aug 2026206 PMAQI
9th Aug 2026297 PMAQI
9th Aug 2026318 PMAQI
9th Aug 2026299 PMAQI
9th Aug 20262710 PMAQI
9th Aug 20262311 PMAQI
10th Aug 20261912 AMAQI
10th Aug 2026171 AMAQI
10th Aug 2026102 AMAQI
10th Aug 2026103 AMAQI
10th Aug 2026164 AMAQI

27°C23/31°C

10th Aug 2026125 AMAQI
10th Aug 2026166 AMAQI
10th Aug 2026197 AMAQI
10th Aug 2026238 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262110 AMAQI
10th Aug 20262111 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026274 PMAQI
10th Aug 2026235 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026247 PMAQI
10th Aug 2026348 PMAQI
10th Aug 2026369 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262712 AMAQI
11th Aug 2026291 AMAQI
11th Aug 2026252 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026214 AMAQI

26°C24/31°C

11th Aug 2026195 AMAQI
11th Aug 2026216 AMAQI
11th Aug 2026237 AMAQI
11th Aug 2026298 AMAQI
11th Aug 2026349 AMAQI
11th Aug 20263810 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262512 PMAQI
11th Aug 2026271 PMAQI
11th Aug 2026292 PMAQI
11th Aug 2026253 PMAQI
11th Aug 2026254 PMAQI
11th Aug 2026475 PMAQI
11th Aug 2026626 PMAQI
11th Aug 2026427 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20263810 PMAQI
11th Aug 20263811 PMAQI
12th Aug 20263612 AMAQI
12th Aug 2026341 AMAQI
12th Aug 2026252 AMAQI
12th Aug 2026233 AMAQI
12th Aug 2026254 AMAQI

25°C21/31°C

12th Aug 2026275 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026218 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20262511 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026212 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026324 PMAQI
12th Aug 2026385 PMAQI
12th Aug 2026316 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026218 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20263410 PMAQI
12th Aug 20264011 PMAQI
13th Aug 20263412 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026212 AMAQI
13th Aug 2026233 AMAQI
13th Aug 2026214 AMAQI

23°C16/30°C

13th Aug 2026215 AMAQI
13th Aug 2026316 AMAQI
13th Aug 2026277 AMAQI
13th Aug 2026318 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20263810 AMAQI
13th Aug 20263611 AMAQI
13th Aug 20264212 PMAQI
13th Aug 2026541 PMAQI
13th Aug 2026422 PMAQI
13th Aug 2026403 PMAQI
13th Aug 2026274 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026256 PMAQI
13th Aug 2026277 PMAQI
13th Aug 2026278 PMAQI
13th Aug 2026369 PMAQI
13th Aug 20264210 PMAQI
13th Aug 20264811 PMAQI
14th Aug 20263812 AMAQI
14th Aug 2026441 AMAQI
14th Aug 2026442 AMAQI
14th Aug 2026533 AMAQI
14th Aug 2026554 AMAQI

25°C19/31°C

14th Aug 2026485 AMAQI
14th Aug 2026406 AMAQI
14th Aug 2026387 AMAQI
14th Aug 2026328 AMAQI
14th Aug 2026369 AMAQI
14th Aug 20265110 AMAQI
14th Aug 20265611 AMAQI
14th Aug 20265012 PMAQI
14th Aug 2026331 PMAQI
14th Aug 2026302 PMAQI
14th Aug 2026333 PMAQI
14th Aug 2026384 PMAQI
14th Aug 2026525 PMAQI
14th Aug 2026536 PMAQI
14th Aug 2026557 PMAQI
14th Aug 2026628 PMAQI
14th Aug 2026669 PMAQI
14th Aug 20266610 PMAQI
14th Aug 20266511 PMAQI
15th Aug 20266712 AMAQI
15th Aug 2026881 AMAQI
15th Aug 2026972 AMAQI
15th Aug 2026923 AMAQI
15th Aug 2026924 AMAQI

24°C20/30°C

15th Aug 2026935 AMAQI
15th Aug 2026746 AMAQI
15th Aug 20261007 AMAQI
15th Aug 20261008 AMAQI
15th Aug 2026889 AMAQI
15th Aug 20269310 AMAQI
15th Aug 20269011 AMAQI
15th Aug 20268912 PMAQI
15th Aug 20261041 PMAQI
15th Aug 2026922 PMAQI
15th Aug 2026763 PMAQI
15th Aug 2026624 PMAQI
15th Aug 2026665 PMAQI
15th Aug 2026496 PMAQI
15th Aug 2026567 PMAQI
15th Aug 2026628 PMAQI
15th Aug 2026669 PMAQI
15th Aug 20266610 PMAQI
15th Aug 20267811 PMAQI
16th Aug 20266712 AMAQI
16th Aug 2026801 AMAQI
16th Aug 2026882 AMAQI
16th Aug 2026713 AMAQI
16th Aug 2026564 AMAQI

25°C22/31°C

16th Aug 2026515 AMAQI
16th Aug 2026486 AMAQI
16th Aug 2026297 AMAQI
16th Aug 2026408 AMAQI
16th Aug 2026389 AMAQI
16th Aug 20264710 AMAQI
16th Aug 20265211 AMAQI
16th Aug 20265112 PMAQI
16th Aug 2026311 PMAQI
16th Aug 2026362 PMAQI
16th Aug 2026273 PMAQI
16th Aug 2026254 PMAQI
16th Aug 2026385 PMAQI
16th Aug 2026336 PMAQI
16th Aug 2026467 PMAQI
16th Aug 2026468 PMAQI
16th Aug 2026319 PMAQI
16th Aug 20262910 PMAQI
16th Aug 20263611 PMAQI
17th Aug 20263812 AMAQI
17th Aug 2026211 AMAQI
17th Aug 2026252 AMAQI
17th Aug 2026173 AMAQI
17th Aug 2026144 AMAQI

23°C22/29°C

17th Aug 202665 AMAQI
5 AM
17th Aug 202676 AMAQI
17th Aug 2026197 AMAQI
17th Aug 2026298 AMAQI
17th Aug 2026339 AMAQI
17th Aug 20262310 AMAQI
17th Aug 20262111 AMAQI
17th Aug 20261712 PMAQI
12 PM
17th Aug 2026231 PMAQI
17th Aug 2026212 PMAQI
17th Aug 2026253 PMAQI
17th Aug 2026254 PMAQI
17th Aug 2026235 PMAQI
17th Aug 2026276 PMAQI
17th Aug 2026367 PMAQI
7 PM
17th Aug 2026428 PMAQI
17th Aug 2026349 PMAQI
17th Aug 20264410 PMAQI
17th Aug 20263311 PMAQI
12 AM
4 AM

13°C13/14°C

Day time
Avg. Highest Time
10 AM

48AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM - 5 PM

38AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 10 AM (Avg. 48), while the lowest AQI was between 4 PM to 5 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM

44AQI

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

44AQI

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. 44), while the lowest AQI was between 12 AM to 11 PM (Avg. 44).

2026 Days Vs Air Quality

Sapgyo eup, Hongseong, Chungnam, South Korea

2026

40%

90

50%

112

11%

24

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

Good
90 Days
Moderate
112 Days
Poor
24 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 40%

Health Risk Level:

Significant

In 2026, 40% of 229 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Sapgyo eup, Hongseong, Chungnam, 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
43AQI (US)
3rd January 2026
54AQI (US)
4th January 2026
83AQI (US)
5th January 2026
64AQI (US)
6th January 2026
60AQI (US)
7th January 2026
61AQI (US)
8th January 2026
24AQI (US)
9th January 2026
43AQI (US)
10th January 2026
67AQI (US)
11th January 2026
28AQI (US)
12th January 2026
48AQI (US)
13th January 2026
58AQI (US)
14th January 2026
32AQI (US)
15th January 2026
115AQI (US)
16th January 2026
136AQI (US)
17th January 2026
124AQI (US)
18th January 2026
125AQI (US)
19th January 2026
62AQI (US)
20th January 2026
27AQI (US)
21st January 2026
36AQI (US)
22nd January 2026
35AQI (US)
23rd January 2026
65AQI (US)
24th January 2026
56AQI (US)
25th January 2026
33AQI (US)
26th January 2026
50AQI (US)
27th January 2026
60AQI (US)
28th January 2026
36AQI (US)
29th January 2026
53AQI (US)
30th January 2026
46AQI (US)
31st January 2026
80AQI (US)
1st February 2026
98AQI (US)
2nd February 2026
75AQI (US)
3rd February 2026
65AQI (US)
4th February 2026
98AQI (US)
5th February 2026
123AQI (US)
6th February 2026
68AQI (US)
7th February 2026
34AQI (US)
8th February 2026
40AQI (US)
9th February 2026
53AQI (US)
10th February 2026
71AQI (US)
11th February 2026
84AQI (US)
12th February 2026
114AQI (US)
13th February 2026
134AQI (US)
14th February 2026
138AQI (US)
15th February 2026
107AQI (US)
16th February 2026
44AQI (US)
17th February 2026
60AQI (US)
18th February 2026
59AQI (US)
19th February 2026
36AQI (US)
20th February 2026
69AQI (US)
21st February 2026
91AQI (US)
22nd February 2026
56AQI (US)
23rd February 2026
34AQI (US)
24th February 2026
57AQI (US)
25th February 2026
81AQI (US)
26th February 2026
40AQI (US)
27th February 2026
62AQI (US)
28th February 2026
63AQI (US)
1st March 2026
70AQI (US)
2nd March 2026
19AQI (US)
3rd March 2026
25AQI (US)
4th March 2026
63AQI (US)
5th March 2026
92AQI (US)
6th March 2026
61AQI (US)
7th March 2026
52AQI (US)
8th March 2026
61AQI (US)
9th March 2026
97AQI (US)
10th March 2026
85AQI (US)
11th March 2026
92AQI (US)
12th March 2026
115AQI (US)
13th March 2026
75AQI (US)
14th March 2026
90AQI (US)
15th March 2026
102AQI (US)
16th March 2026
135AQI (US)
17th March 2026
138AQI (US)
18th March 2026
135AQI (US)
19th March 2026
60AQI (US)
20th March 2026
54AQI (US)
21st March 2026
95AQI (US)
22nd March 2026
106AQI (US)
23rd March 2026
106AQI (US)
24th March 2026
125AQI (US)
25th March 2026
107AQI (US)
26th March 2026
101AQI (US)
27th March 2026
98AQI (US)
28th March 2026
100AQI (US)
29th March 2026
106AQI (US)
30th March 2026
117AQI (US)
31st March 2026
94AQI (US)
1st April 2026
97AQI (US)
2nd April 2026
110AQI (US)
3rd April 2026
124AQI (US)
4th April 2026
55AQI (US)
5th April 2026
71AQI (US)
6th April 2026
67AQI (US)
7th April 2026
23AQI (US)
8th April 2026
38AQI (US)
9th April 2026
59AQI (US)
10th April 2026
39AQI (US)
11th April 2026
92AQI (US)
12th April 2026
88AQI (US)
13th April 2026
72AQI (US)
14th April 2026
84AQI (US)
15th April 2026
97AQI (US)
16th April 2026
95AQI (US)
17th April 2026
18th April 2026
71AQI (US)
19th April 2026
67AQI (US)
20th April 2026
72AQI (US)
21st April 2026
67AQI (US)
22nd April 2026
23rd April 2026
62AQI (US)
24th April 2026
42AQI (US)
25th April 2026
54AQI (US)
26th April 2026
58AQI (US)
27th April 2026
52AQI (US)
28th April 2026
40AQI (US)
29th April 2026
49AQI (US)
30th April 2026
50AQI (US)
1st May 2026
55AQI (US)
2nd May 2026
118AQI (US)
3rd May 2026
66AQI (US)
4th May 2026
30AQI (US)
5th May 2026
42AQI (US)
6th May 2026
31AQI (US)
7th May 2026
34AQI (US)
8th May 2026
34AQI (US)
9th May 2026
10th May 2026
35AQI (US)
11th May 2026
29AQI (US)
12th May 2026
22AQI (US)
13th May 2026
56AQI (US)
14th May 2026
80AQI (US)
15th May 2026
87AQI (US)
16th May 2026
78AQI (US)
17th May 2026
66AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
68AQI (US)
22nd May 2026
77AQI (US)
23rd May 2026
73AQI (US)
24th May 2026
71AQI (US)
25th May 2026
64AQI (US)
26th May 2026
48AQI (US)
27th May 2026
39AQI (US)
28th May 2026
34AQI (US)
29th May 2026
67AQI (US)
30th May 2026
70AQI (US)
31st May 2026
57AQI (US)
1st June 2026
60AQI (US)
2nd June 2026
98AQI (US)
3rd June 2026
91AQI (US)
4th June 2026
90AQI (US)
5th June 2026
26AQI (US)
6th June 2026
43AQI (US)
7th June 2026
45AQI (US)
8th June 2026
53AQI (US)
9th June 2026
38AQI (US)
10th June 2026
39AQI (US)
11th June 2026
49AQI (US)
12th June 2026
58AQI (US)
13th June 2026
49AQI (US)
14th June 2026
55AQI (US)
15th June 2026
52AQI (US)
16th June 2026
77AQI (US)
17th June 2026
93AQI (US)
18th June 2026
78AQI (US)
19th June 2026
81AQI (US)
20th June 2026
37AQI (US)
21st June 2026
27AQI (US)
22nd June 2026
45AQI (US)
23rd June 2026
48AQI (US)
24th June 2026
20AQI (US)
25th June 2026
31AQI (US)
26th June 2026
44AQI (US)
27th June 2026
77AQI (US)
28th June 2026
60AQI (US)
29th June 2026
65AQI (US)
30th June 2026
57AQI (US)
1st July 2026
49AQI (US)
2nd July 2026
49AQI (US)
3rd July 2026
33AQI (US)
4th July 2026
65AQI (US)
5th July 2026
43AQI (US)
6th July 2026
40AQI (US)
7th July 2026
43AQI (US)
8th July 2026
30AQI (US)
9th July 2026
19AQI (US)
10th July 2026
31AQI (US)
11th July 2026
30AQI (US)
12th July 2026
54AQI (US)
13th July 2026
39AQI (US)
14th July 2026
32AQI (US)
15th July 2026
40AQI (US)
16th July 2026
56AQI (US)
17th July 2026
61AQI (US)
18th July 2026
48AQI (US)
19th July 2026
37AQI (US)
20th July 2026
40AQI (US)
21st July 2026
35AQI (US)
22nd July 2026
45AQI (US)
23rd July 2026
55AQI (US)
24th July 2026
44AQI (US)
25th July 2026
28AQI (US)
26th July 2026
25AQI (US)
27th July 2026
27AQI (US)
28th July 2026
43AQI (US)
29th July 2026
24AQI (US)
30th July 2026
28AQI (US)
31st July 2026
41AQI (US)
1st August 2026
75AQI (US)
2nd August 2026
44AQI (US)
3rd August 2026
57AQI (US)
4th August 2026
80AQI (US)
5th August 2026
39AQI (US)
6th August 2026
62AQI (US)
7th August 2026
83AQI (US)
8th August 2026
52AQI (US)
9th August 2026
22AQI (US)
10th August 2026
22AQI (US)
11th August 2026
30AQI (US)
12th August 2026
28AQI (US)
13th August 2026
32AQI (US)
14th August 2026
47AQI (US)
15th August 2026
81AQI (US)
16th August 2026
46AQI (US)
17th August 2026
25AQI (US)
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

59AQI (US)

73AQI (US)

90AQI (US)

68AQI (US)

57AQI (US)

56AQI (US)

40AQI (US)

49AQI (US)

No. of days

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

202662AQI (US)

14
13
4
6
17
5
2
17
12
7
19
2
11
18
1
14
16
26
5
10
7
90
112
24

Highest AQI (US) recorded in

March

90AQI (US)

Lowest AQI (US) recorded in

July

40AQI (US)

202564AQI (US)

1
25
5
7
18
3
4
19
8
4
26
5
26
3
27
11
20
18
13
24
6
10
20
1
2
20
8
5
23
3
94
243
28

Highest AQI (US) recorded in

March

85AQI (US)

Lowest AQI (US) recorded in

September

44AQI (US)

202467AQI (US)

8
13
7
2
9
11
8
1
5
22
4
25
4
9
18
4
2
28
20
10
1
7
24
19
11
10
20
1
9
18
3
5
26
103
226
32
3

Highest AQI (US) recorded in

January

83AQI (US)

Lowest AQI (US) recorded in

July

46AQI (US)

202373AQI (US)

3
17
7
2
3
15
6
4
4
15
11
1
2
21
6
1
7
22
2
1
29
13
18
11
20
10
20
10
20
1
8
17
4
5
18
7
1
77
232
44
9

Highest AQI (US) recorded in

February

97AQI (US)

Lowest AQI (US) recorded in

August

55AQI (US)

202278AQI (US)

7
6
1
11
12
8
3
17
9
1
4
17
10
25
52
28
1

Highest AQI (US) recorded in

November

91AQI (US)

Lowest AQI (US) recorded in

September

61AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2022(Avg.)
78AQI (US)
Least Polluted Year Recorded
2026(Avg.)
62AQI (US)

Sapgyo eup's annual 2026 AQI (US) (62) shows an average percentage change of -11.5% (improved AQI (US)) compared to previous years: 2022 (78), 2023 (73), 2024 (67), 2025 (64).