Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Naep, 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

Naep, Hongseong, Chungnam, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2023
74AQI
Lowest AQI recorded on
10th Aug 2026
17AQI

Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 63 of Moderate air quality on the same day.

Day & Night AQI Trend: 17th Aug - 18th Aug 2026

Naep, Hongseong, Chungnam, South Korea

AQI
Day
Night
.

5 AM17th Aug 2026

7 PM

4 AM18th Aug 2026

Day time
Avg. Highest Time
11AM17th Aug

135AQI

Avg. Lowest Time
5AM17th Aug

9AQI

Night time
Avg. Highest Time
8PM17th Aug

68AQI

Avg. Lowest Time
2AM18th Aug

58AQI

In the last 24 hours,

Naep's AQI reached its highest point of 135 at 11 AM during the Day, while the lowest point, 9, was recorded at 5 AM during the Day between 17th Aug and 18th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Naep, Hongseong, Chungnam, South Korea

JulAug
20th - 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 - 18th18th
Day
Night
20th Jul 2026225 AMAQI
20th Jul 2026196 AMAQI
20th Jul 2026187 AMAQI
20th Jul 2026198 AMAQI
20th Jul 2026129 AMAQI
20th Jul 2026810 AMAQI
20th Jul 20261411 AMAQI
20th Jul 20263212 PMAQI
20th Jul 2026361 PMAQI
20th Jul 2026362 PMAQI
20th Jul 2026503 PMAQI
20th Jul 2026584 PMAQI
20th Jul 2026625 PMAQI
20th Jul 2026566 PMAQI
20th Jul 2026517 PMAQI
20th Jul 2026628 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20263210 PMAQI
20th Jul 20261911 PMAQI
21st Jul 20262112 AMAQI
21st Jul 2026281 AMAQI
21st Jul 2026202 AMAQI
21st Jul 2026183 AMAQI
21st Jul 2026194 AMAQI

24°C21/28°C

21st Jul 2026205 AMAQI
21st Jul 2026206 AMAQI
21st Jul 2026197 AMAQI
21st Jul 2026218 AMAQI
21st Jul 2026279 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20265211 AMAQI
21st Jul 2026421 PMAQI
21st Jul 2026312 PMAQI
21st Jul 2026333 PMAQI
21st Jul 2026314 PMAQI
21st Jul 2026215 PMAQI
21st Jul 202686 PMAQI
21st Jul 2026867 PMAQI
21st Jul 2026408 PMAQI
21st Jul 2026119 PMAQI
21st Jul 20261010 PMAQI
21st Jul 2026711 PMAQI
22nd Jul 2026812 AMAQI
22nd Jul 202681 AMAQI
22nd Jul 202682 AMAQI
22nd Jul 2026123 AMAQI
22nd Jul 2026164 AMAQI

25°C24/27°C

22nd Jul 2026505 AMAQI
22nd Jul 2026126 AMAQI
22nd Jul 2026127 AMAQI
22nd Jul 2026128 AMAQI
22nd Jul 202679 AMAQI
22nd Jul 20262210 AMAQI
22nd Jul 20264911 AMAQI
22nd Jul 202610512 PMAQI
22nd Jul 2026881 PMAQI
22nd Jul 2026672 PMAQI
22nd Jul 2026443 PMAQI
22nd Jul 2026424 PMAQI
22nd Jul 2026605 PMAQI
22nd Jul 2026646 PMAQI
22nd Jul 2026627 PMAQI
22nd Jul 2026318 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20264010 PMAQI
22nd Jul 20264011 PMAQI
23rd Jul 20265112 AMAQI
23rd Jul 2026401 AMAQI
23rd Jul 2026342 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026404 AMAQI

25°C23/28°C

23rd Jul 2026465 AMAQI
23rd Jul 2026426 AMAQI
23rd Jul 2026387 AMAQI
23rd Jul 2026318 AMAQI
23rd Jul 2026309 AMAQI
23rd Jul 20263910 AMAQI
23rd Jul 20267611 AMAQI
23rd Jul 20264412 PMAQI
23rd Jul 2026471 PMAQI
23rd Jul 2026602 PMAQI
23rd Jul 2026743 PMAQI
23rd Jul 2026674 PMAQI
23rd Jul 2026695 PMAQI
23rd Jul 2026566 PMAQI
23rd Jul 2026577 PMAQI
23rd Jul 2026428 PMAQI
23rd Jul 2026319 PMAQI
23rd Jul 20262810 PMAQI
23rd Jul 20263011 PMAQI
24th Jul 20262612 AMAQI
24th Jul 2026241 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026243 AMAQI
24th Jul 2026194 AMAQI

26°C24/28°C

24th Jul 2026205 AMAQI
24th Jul 2026246 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026208 AMAQI
24th Jul 2026409 AMAQI
24th Jul 20265910 AMAQI
24th Jul 20265911 AMAQI
24th Jul 20266212 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026322 PMAQI
24th Jul 2026273 PMAQI
24th Jul 2026234 PMAQI
24th Jul 2026145 PMAQI
24th Jul 2026176 PMAQI
24th Jul 2026157 PMAQI
24th Jul 2026138 PMAQI
24th Jul 2026129 PMAQI
24th Jul 20262110 PMAQI
24th Jul 20263011 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026341 AMAQI
25th Jul 2026192 AMAQI
25th Jul 2026143 AMAQI
25th Jul 2026144 AMAQI

26°C24/29°C

25th Jul 2026235 AMAQI
25th Jul 2026186 AMAQI
25th Jul 2026127 AMAQI
25th Jul 2026138 AMAQI
25th Jul 2026209 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20263611 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026521 PMAQI
25th Jul 2026522 PMAQI
25th Jul 2026493 PMAQI
25th Jul 2026154 PMAQI
25th Jul 2026165 PMAQI
25th Jul 2026176 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026198 PMAQI
25th Jul 2026179 PMAQI
25th Jul 20261410 PMAQI
25th Jul 20261811 PMAQI
26th Jul 20262012 AMAQI
26th Jul 2026271 AMAQI
26th Jul 2026262 AMAQI
26th Jul 2026223 AMAQI
26th Jul 2026134 AMAQI

26°C24/29°C

26th Jul 2026145 AMAQI
26th Jul 2026216 AMAQI
26th Jul 2026227 AMAQI
26th Jul 2026108 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20262712 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026212 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026219 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026212 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026274 AMAQI

27°C24/30°C

27th Jul 2026255 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026297 AMAQI
27th Jul 2026258 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20263310 AMAQI
27th Jul 20264211 AMAQI
27th Jul 20263812 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026292 PMAQI
27th Jul 2026293 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026336 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20263311 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026292 AMAQI
28th Jul 2026313 AMAQI
28th Jul 2026234 AMAQI

27°C25/30°C

28th Jul 2026235 AMAQI
28th Jul 2026256 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026258 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20264410 AMAQI
28th Jul 20265011 AMAQI
28th Jul 20264912 PMAQI
28th Jul 2026531 PMAQI
28th Jul 2026542 PMAQI
28th Jul 2026993 PMAQI
28th Jul 2026664 PMAQI
28th Jul 2026365 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026387 PMAQI
28th Jul 2026368 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20263610 PMAQI
28th Jul 20262011 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026271 AMAQI
29th Jul 2026142 AMAQI
29th Jul 202683 AMAQI
29th Jul 202664 AMAQI

27°C24/30°C

29th Jul 202685 AMAQI
29th Jul 202666 AMAQI
29th Jul 202677 AMAQI
29th Jul 202688 AMAQI
29th Jul 2026179 AMAQI
29th Jul 20262910 AMAQI
29th Jul 20262911 AMAQI
29th Jul 2026612 PMAQI
29th Jul 2026171 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026253 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026235 PMAQI
29th Jul 2026206 PMAQI
29th Jul 2026127 PMAQI
29th Jul 2026128 PMAQI
29th Jul 2026129 PMAQI
29th Jul 20261210 PMAQI
29th Jul 20261211 PMAQI
30th Jul 20261212 AMAQI
30th Jul 2026121 AMAQI
30th Jul 2026162 AMAQI
30th Jul 2026203 AMAQI
30th Jul 2026274 AMAQI

27°C24/31°C

30th Jul 2026205 AMAQI
30th Jul 2026146 AMAQI
30th Jul 2026127 AMAQI
30th Jul 2026128 AMAQI
30th Jul 2026239 AMAQI
30th Jul 20264010 AMAQI
30th Jul 20266011 AMAQI
30th Jul 202610312 PMAQI
30th Jul 2026251 PMAQI
30th Jul 202682 PMAQI
30th Jul 2026313 PMAQI
30th Jul 2026334 PMAQI
30th Jul 2026315 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026257 PMAQI
30th Jul 2026218 PMAQI
30th Jul 2026129 PMAQI
30th Jul 20261410 PMAQI
30th Jul 20262711 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026182 AMAQI
31st Jul 202683 AMAQI
31st Jul 2026124 AMAQI

26°C23/30°C

31st Jul 2026105 AMAQI
31st Jul 2026306 AMAQI
31st Jul 2026567 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026639 AMAQI
31st Jul 20269810 AMAQI
31st Jul 20269411 AMAQI
31st Jul 20269612 PMAQI
31st Jul 2026781 PMAQI
31st Jul 2026542 PMAQI
31st Jul 2026563 PMAQI
31st Jul 2026464 PMAQI
31st Jul 2026575 PMAQI
31st Jul 2026566 PMAQI
31st Jul 2026337 PMAQI
31st Jul 2026228 PMAQI
31st Jul 2026189 PMAQI
31st Jul 20262110 PMAQI
31st Jul 20263511 PMAQI
1st Aug 20264012 AMAQI
1st Aug 2026321 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026543 AMAQI
1st Aug 2026684 AMAQI

27°C23/31°C

1st Aug 2026685 AMAQI
1st Aug 2026676 AMAQI
1st Aug 2026647 AMAQI
1st Aug 2026628 AMAQI
1st Aug 2026769 AMAQI
1st Aug 20268710 AMAQI
1st Aug 20268711 AMAQI
1st Aug 20268712 PMAQI
1st Aug 2026871 PMAQI
1st Aug 2026512 PMAQI
1st Aug 2026533 PMAQI
1st Aug 2026684 PMAQI
1st Aug 2026835 PMAQI
1st Aug 2026656 PMAQI
1st Aug 2026297 PMAQI
1st Aug 2026278 PMAQI
1st Aug 2026299 PMAQI
1st Aug 20262010 PMAQI
1st Aug 20261811 PMAQI
2nd Aug 20262612 AMAQI
2nd Aug 2026271 AMAQI
2nd Aug 2026212 AMAQI
2nd Aug 2026253 AMAQI
2nd Aug 2026274 AMAQI

28°C25/31°C

2nd Aug 2026385 AMAQI
2nd Aug 2026366 AMAQI
2nd Aug 2026247 AMAQI
2nd Aug 2026248 AMAQI
2nd Aug 2026469 AMAQI
2nd Aug 20266010 AMAQI
2nd Aug 20269511 AMAQI
2nd Aug 20269212 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026202 PMAQI
2nd Aug 2026183 PMAQI
2nd Aug 2026194 PMAQI
2nd Aug 2026275 PMAQI
2nd Aug 2026406 PMAQI
2nd Aug 2026367 PMAQI
2nd Aug 2026168 PMAQI
2nd Aug 2026129 PMAQI
2nd Aug 20261210 PMAQI
2nd Aug 20261211 PMAQI
3rd Aug 2026512 AMAQI
3rd Aug 202661 AMAQI
3rd Aug 202672 AMAQI
3rd Aug 2026183 AMAQI
3rd Aug 2026254 AMAQI

28°C24/32°C

3rd Aug 2026235 AMAQI
3rd Aug 2026226 AMAQI
3rd Aug 2026207 AMAQI
3rd Aug 2026248 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20262710 AMAQI
3rd Aug 20262711 AMAQI
3rd Aug 20265612 PMAQI
3rd Aug 2026571 PMAQI
3rd Aug 2026832 PMAQI
3rd Aug 2026833 PMAQI
3rd Aug 2026964 PMAQI
3rd Aug 2026805 PMAQI
3rd Aug 2026506 PMAQI
3rd Aug 2026387 PMAQI
3rd Aug 2026328 PMAQI
3rd Aug 2026449 PMAQI
3rd Aug 20265510 PMAQI
3rd Aug 20265211 PMAQI
4th Aug 20265112 AMAQI
4th Aug 2026531 AMAQI
4th Aug 2026442 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026324 AMAQI

28°C23/34°C

4th Aug 2026295 AMAQI
4th Aug 2026306 AMAQI
4th Aug 2026407 AMAQI
4th Aug 2026468 AMAQI
4th Aug 2026509 AMAQI
4th Aug 20266010 AMAQI
4th Aug 20269811 AMAQI
4th Aug 202612812 PMAQI
4th Aug 20261091 PMAQI
4th Aug 2026882 PMAQI
4th Aug 2026883 PMAQI
4th Aug 2026734 PMAQI
4th Aug 2026815 PMAQI
4th Aug 2026696 PMAQI
4th Aug 2026407 PMAQI
4th Aug 2026258 PMAQI
4th Aug 2026359 PMAQI
4th Aug 20263010 PMAQI
4th Aug 20262511 PMAQI
5th Aug 20261612 AMAQI
5th Aug 2026101 AMAQI
5th Aug 2026152 AMAQI
5th Aug 2026223 AMAQI
5th Aug 2026274 AMAQI

29°C25/35°C

5th Aug 2026585 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026517 AMAQI
5th Aug 2026428 AMAQI
5th Aug 2026489 AMAQI
5th Aug 20267810 AMAQI
5th Aug 20265211 AMAQI
5th Aug 20264012 PMAQI
5th Aug 2026531 PMAQI
5th Aug 2026272 PMAQI
5th Aug 2026523 PMAQI
5th Aug 2026744 PMAQI
5th Aug 2026295 PMAQI
5th Aug 2026276 PMAQI
5th Aug 2026277 PMAQI
5th Aug 2026278 PMAQI
5th Aug 2026299 PMAQI
5th Aug 20262910 PMAQI
5th Aug 20261211 PMAQI
6th Aug 20263412 AMAQI
6th Aug 2026441 AMAQI
6th Aug 2026442 AMAQI
6th Aug 2026483 AMAQI
6th Aug 2026504 AMAQI

29°C25/34°C

6th Aug 2026885 AMAQI
6th Aug 2026576 AMAQI
6th Aug 2026587 AMAQI
6th Aug 2026518 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20263810 AMAQI
6th Aug 20265411 AMAQI
6th Aug 20266712 PMAQI
6th Aug 2026991 PMAQI
6th Aug 2026622 PMAQI
6th Aug 2026143 PMAQI
6th Aug 2026144 PMAQI
6th Aug 2026235 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026337 PMAQI
6th Aug 2026228 PMAQI
6th Aug 2026119 PMAQI
6th Aug 20262210 PMAQI
6th Aug 20264411 PMAQI
7th Aug 20265712 AMAQI
7th Aug 2026691 AMAQI
7th Aug 2026692 AMAQI
7th Aug 2026673 AMAQI
7th Aug 2026694 AMAQI

29°C26/34°C

7th Aug 2026815 AMAQI
7th Aug 2026746 AMAQI
7th Aug 2026587 AMAQI
7th Aug 2026428 AMAQI
7th Aug 2026369 AMAQI
7th Aug 20263310 AMAQI
7th Aug 20263611 AMAQI
7th Aug 20263312 PMAQI
7th Aug 2026561 PMAQI
7th Aug 2026742 PMAQI
7th Aug 2026263 PMAQI
7th Aug 2026174 PMAQI
7th Aug 2026125 PMAQI
7th Aug 2026156 PMAQI
7th Aug 2026207 PMAQI
7th Aug 202688 PMAQI
7th Aug 2026129 PMAQI
7th Aug 20261810 PMAQI
7th Aug 20264011 PMAQI
8th Aug 20266012 AMAQI
8th Aug 2026581 AMAQI
8th Aug 2026402 AMAQI
8th Aug 2026333 AMAQI
8th Aug 2026574 AMAQI

29°C25/35°C

8th Aug 2026725 AMAQI
8th Aug 2026866 AMAQI
8th Aug 2026677 AMAQI
8th Aug 2026578 AMAQI
8th Aug 2026929 AMAQI
8th Aug 20269610 AMAQI
8th Aug 20269911 AMAQI
8th Aug 20265212 PMAQI
8th Aug 2026461 PMAQI
8th Aug 2026462 PMAQI
8th Aug 2026103 PMAQI
8th Aug 2026104 PMAQI
8th Aug 2026145 PMAQI
8th Aug 2026266 PMAQI
8th Aug 2026207 PMAQI
8th Aug 2026128 PMAQI
8th Aug 2026109 PMAQI
8th Aug 20263610 PMAQI
8th Aug 20264411 PMAQI
9th Aug 20261712 AMAQI
9th Aug 2026161 AMAQI
9th Aug 2026182 AMAQI
9th Aug 2026183 AMAQI
9th Aug 2026184 AMAQI

29°C22/35°C

9th Aug 2026125 AMAQI
9th Aug 2026126 AMAQI
9th Aug 2026127 AMAQI
9th Aug 2026128 AMAQI
9th Aug 202669 AMAQI
9th Aug 20261210 AMAQI
9th Aug 20263111 AMAQI
9th Aug 20264012 PMAQI
9th Aug 2026751 PMAQI
9th Aug 2026782 PMAQI
9th Aug 2026883 PMAQI
9th Aug 2026514 PMAQI
9th Aug 2026405 PMAQI
9th Aug 2026306 PMAQI
9th Aug 2026147 PMAQI
9th Aug 2026178 PMAQI
9th Aug 2026179 PMAQI
9th Aug 20261210 PMAQI
9th Aug 20261211 PMAQI
10th Aug 20261712 AMAQI
10th Aug 2026171 AMAQI
10th Aug 2026142 AMAQI
10th Aug 2026183 AMAQI
10th Aug 2026104 AMAQI

26°C22/31°C

10th Aug 2026175 AMAQI
10th Aug 2026166 AMAQI
10th Aug 2026147 AMAQI
10th Aug 2026128 AMAQI
10th Aug 2026129 AMAQI
10th Aug 20261210 AMAQI
10th Aug 20261211 AMAQI
10th Aug 20261212 PMAQI
10th Aug 2026121 PMAQI
10th Aug 202692 PMAQI
10th Aug 2026173 PMAQI
10th Aug 2026204 PMAQI
10th Aug 2026285 PMAQI
10th Aug 2026306 PMAQI
10th Aug 2026297 PMAQI
10th Aug 2026208 PMAQI
10th Aug 2026199 PMAQI
10th Aug 20261910 PMAQI
10th Aug 20261811 PMAQI
11th Aug 20261212 AMAQI
11th Aug 2026131 AMAQI
11th Aug 2026142 AMAQI
11th Aug 2026143 AMAQI
11th Aug 202684 AMAQI

26°C23/30°C

11th Aug 202685 AMAQI
11th Aug 202686 AMAQI
11th Aug 202647 AMAQI
11th Aug 2026208 AMAQI
11th Aug 2026429 AMAQI
11th Aug 20264210 AMAQI
11th Aug 20262211 AMAQI
11th Aug 20262012 PMAQI
11th Aug 2026161 PMAQI
11th Aug 2026232 PMAQI
11th Aug 2026333 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026405 PMAQI
11th Aug 2026546 PMAQI
11th Aug 2026407 PMAQI
11th Aug 2026238 PMAQI
11th Aug 2026219 PMAQI
11th Aug 20264410 PMAQI
11th Aug 20264211 PMAQI
12th Aug 20263112 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026232 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026234 AMAQI

25°C21/31°C

12th Aug 2026215 AMAQI
12th Aug 2026236 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026238 AMAQI
12th Aug 2026239 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262311 AMAQI
12th Aug 20262512 PMAQI
12th Aug 2026231 PMAQI
12th Aug 2026232 PMAQI
12th Aug 2026213 PMAQI
12th Aug 2026294 PMAQI
12th Aug 2026385 PMAQI
12th Aug 2026386 PMAQI
12th Aug 2026297 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20263810 PMAQI
12th Aug 20264411 PMAQI
13th Aug 20263812 AMAQI
13th Aug 2026361 AMAQI
13th Aug 2026302 AMAQI
13th Aug 2026213 AMAQI
13th Aug 2026214 AMAQI

23°C18/30°C

13th Aug 2026215 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026218 AMAQI
13th Aug 2026259 AMAQI
13th Aug 20262910 AMAQI
13th Aug 20263611 AMAQI
13th Aug 20263812 PMAQI
13th Aug 2026491 PMAQI
13th Aug 2026512 PMAQI
13th Aug 2026533 PMAQI
13th Aug 2026254 PMAQI
13th Aug 202685 PMAQI
13th Aug 2026126 PMAQI
13th Aug 2026187 PMAQI
13th Aug 2026248 PMAQI
13th Aug 2026309 PMAQI
13th Aug 20264610 PMAQI
13th Aug 20264811 PMAQI
14th Aug 20263512 AMAQI
14th Aug 2026251 AMAQI
14th Aug 2026312 AMAQI
14th Aug 2026543 AMAQI
14th Aug 2026644 AMAQI

25°C20/30°C

14th Aug 2026585 AMAQI
14th Aug 2026466 AMAQI
14th Aug 2026277 AMAQI
14th Aug 2026188 AMAQI
14th Aug 2026329 AMAQI
14th Aug 20265410 AMAQI
14th Aug 20266411 AMAQI
14th Aug 20264812 PMAQI
14th Aug 2026211 PMAQI
14th Aug 2026252 PMAQI
14th Aug 2026273 PMAQI
14th Aug 2026434 PMAQI
14th Aug 2026675 PMAQI
14th Aug 2026666 PMAQI
14th Aug 2026627 PMAQI
14th Aug 2026678 PMAQI
14th Aug 2026739 PMAQI
14th Aug 20266710 PMAQI
14th Aug 20266011 PMAQI
15th Aug 20264912 AMAQI
15th Aug 2026551 AMAQI
15th Aug 2026602 AMAQI
15th Aug 2026683 AMAQI
15th Aug 2026864 AMAQI

25°C22/30°C

15th Aug 2026825 AMAQI
15th Aug 2026766 AMAQI
15th Aug 2026627 AMAQI
15th Aug 2026668 AMAQI
15th Aug 2026629 AMAQI
15th Aug 20267910 AMAQI
15th Aug 20268011 AMAQI
15th Aug 20268012 PMAQI
15th Aug 2026711 PMAQI
15th Aug 2026462 PMAQI
15th Aug 2026243 PMAQI
15th Aug 2026274 PMAQI
15th Aug 2026155 PMAQI
15th Aug 2026146 PMAQI
15th Aug 2026337 PMAQI
15th Aug 2026368 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262210 PMAQI
15th Aug 20262511 PMAQI
16th Aug 20264012 AMAQI
16th Aug 2026541 AMAQI
16th Aug 2026402 AMAQI
16th Aug 2026283 AMAQI
16th Aug 2026144 AMAQI

25°C23/28°C

16th Aug 2026105 AMAQI
16th Aug 202686 AMAQI
16th Aug 202687 AMAQI
16th Aug 2026128 AMAQI
16th Aug 2026149 AMAQI
16th Aug 20261810 AMAQI
16th Aug 20264411 AMAQI
16th Aug 20264412 PMAQI
16th Aug 2026661 PMAQI
16th Aug 2026672 PMAQI
16th Aug 2026763 PMAQI
16th Aug 2026744 PMAQI
16th Aug 2026335 PMAQI
16th Aug 2026336 PMAQI
16th Aug 2026387 PMAQI
16th Aug 2026248 PMAQI
16th Aug 2026169 PMAQI
16th Aug 20261010 PMAQI
16th Aug 2026811 PMAQI
17th Aug 20261212 AMAQI
17th Aug 2026201 AMAQI
17th Aug 2026132 AMAQI
17th Aug 202643 AMAQI
17th Aug 202644 AMAQI

24°C22/27°C

17th Aug 202695 AMAQI
17th Aug 2026186 AMAQI
17th Aug 2026697 AMAQI
17th Aug 20261108 AMAQI
17th Aug 20261029 AMAQI
17th Aug 202610810 AMAQI
17th Aug 202613511 AMAQI
17th Aug 202612512 PMAQI
17th Aug 20261321 PMAQI
17th Aug 2026462 PMAQI
17th Aug 2026513 PMAQI
17th Aug 2026484 PMAQI
17th Aug 2026735 PMAQI
17th Aug 2026676 PMAQI
17th Aug 20261187 PMAQI
17th Aug 2026688 PMAQI
17th Aug 2026669 PMAQI
17th Aug 20266010 PMAQI
17th Aug 20266011 PMAQI
18th Aug 20266012 AMAQI
18th Aug 2026601 AMAQI
18th Aug 2026582 AMAQI
18th Aug 2026623 AMAQI
18th Aug 2026594 AMAQI

14°C13/14°C

18th Aug 2026575 AMAQI
5 AM
18th Aug 2026646 AMAQI
18th Aug 2026707 AMAQI
18th Aug 2026728 AMAQI
18th Aug 2026389 AMAQI
18th Aug 20263610 AMAQI
18th Aug 20263811 AMAQI
18th Aug 20263812 PMAQI
12 PM
18th Aug 2026401 PMAQI
18th Aug 2026672 PMAQI
18th Aug 2026933 PMAQI
18th Aug 2026594 PMAQI
18th Aug 2026655 PMAQI
18th Aug 20261006 PMAQI
18th Aug 20261247 PMAQI
7 PM
18th Aug 20261208 PMAQI
18th Aug 20261219 PMAQI
18th Aug 202612810 PMAQI
18th Aug 20269011 PMAQI
12 AM
4 AM

25°C22/29°C

Day time
Avg. Highest Time
12 PM

56AQI

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

32AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 56), while the lowest AQI was between 6 AM to 8 AM (Avg. 32).
Night time
Avg. Highest Time
10 PM - 11 PM

32AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 3 AM

28AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 32), while the lowest AQI was between 2 AM to 3 AM (Avg. 28).

2026 Days Vs Air Quality

Naep, Hongseong, Chungnam, South Korea

2026

54%

121

39%

88

8%

17

Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)

Good
121 Days
Moderate
88 Days
Poor
17 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 54%

Health Risk Level:

Considerable

In 2026, 54% of 230 days were within WHO’s safe air quality limits, and 46% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Naep, 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
27AQI (US)
2nd January 2026
39AQI (US)
3rd January 2026
52AQI (US)
4th January 2026
86AQI (US)
5th January 2026
50AQI (US)
6th January 2026
48AQI (US)
7th January 2026
61AQI (US)
8th January 2026
21AQI (US)
9th January 2026
38AQI (US)
10th January 2026
59AQI (US)
11th January 2026
29AQI (US)
12th January 2026
52AQI (US)
13th January 2026
50AQI (US)
14th January 2026
33AQI (US)
15th January 2026
110AQI (US)
16th January 2026
132AQI (US)
17th January 2026
121AQI (US)
18th January 2026
122AQI (US)
19th January 2026
65AQI (US)
20th January 2026
31AQI (US)
21st January 2026
34AQI (US)
22nd January 2026
37AQI (US)
23rd January 2026
64AQI (US)
24th January 2026
56AQI (US)
25th January 2026
29AQI (US)
26th January 2026
44AQI (US)
27th January 2026
58AQI (US)
28th January 2026
35AQI (US)
29th January 2026
46AQI (US)
30th January 2026
51AQI (US)
31st January 2026
76AQI (US)
1st February 2026
96AQI (US)
2nd February 2026
76AQI (US)
3rd February 2026
61AQI (US)
4th February 2026
94AQI (US)
5th February 2026
110AQI (US)
6th February 2026
60AQI (US)
7th February 2026
34AQI (US)
8th February 2026
39AQI (US)
9th February 2026
38AQI (US)
10th February 2026
65AQI (US)
11th February 2026
103AQI (US)
12th February 2026
104AQI (US)
13th February 2026
132AQI (US)
14th February 2026
138AQI (US)
15th February 2026
103AQI (US)
16th February 2026
44AQI (US)
17th February 2026
59AQI (US)
18th February 2026
63AQI (US)
19th February 2026
36AQI (US)
20th February 2026
65AQI (US)
21st February 2026
98AQI (US)
22nd February 2026
59AQI (US)
23rd February 2026
29AQI (US)
24th February 2026
49AQI (US)
25th February 2026
66AQI (US)
26th February 2026
32AQI (US)
27th February 2026
50AQI (US)
28th February 2026
58AQI (US)
1st March 2026
58AQI (US)
2nd March 2026
21AQI (US)
3rd March 2026
27AQI (US)
4th March 2026
68AQI (US)
5th March 2026
94AQI (US)
6th March 2026
62AQI (US)
7th March 2026
49AQI (US)
8th March 2026
62AQI (US)
9th March 2026
97AQI (US)
10th March 2026
82AQI (US)
11th March 2026
90AQI (US)
12th March 2026
100AQI (US)
13th March 2026
64AQI (US)
14th March 2026
78AQI (US)
15th March 2026
96AQI (US)
16th March 2026
131AQI (US)
17th March 2026
125AQI (US)
18th March 2026
126AQI (US)
19th March 2026
48AQI (US)
20th March 2026
49AQI (US)
21st March 2026
89AQI (US)
22nd March 2026
93AQI (US)
23rd March 2026
93AQI (US)
24th March 2026
121AQI (US)
25th March 2026
90AQI (US)
26th March 2026
91AQI (US)
27th March 2026
93AQI (US)
28th March 2026
91AQI (US)
29th March 2026
97AQI (US)
30th March 2026
106AQI (US)
31st March 2026
62AQI (US)
1st April 2026
76AQI (US)
2nd April 2026
118AQI (US)
3rd April 2026
121AQI (US)
4th April 2026
48AQI (US)
5th April 2026
68AQI (US)
6th April 2026
50AQI (US)
7th April 2026
18AQI (US)
8th April 2026
32AQI (US)
9th April 2026
51AQI (US)
10th April 2026
33AQI (US)
11th April 2026
60AQI (US)
12th April 2026
54AQI (US)
13th April 2026
62AQI (US)
14th April 2026
76AQI (US)
15th April 2026
86AQI (US)
16th April 2026
69AQI (US)
17th April 2026
18th April 2026
60AQI (US)
19th April 2026
55AQI (US)
20th April 2026
61AQI (US)
21st April 2026
67AQI (US)
22nd April 2026
23rd April 2026
54AQI (US)
24th April 2026
34AQI (US)
25th April 2026
46AQI (US)
26th April 2026
49AQI (US)
27th April 2026
45AQI (US)
28th April 2026
34AQI (US)
29th April 2026
40AQI (US)
30th April 2026
47AQI (US)
1st May 2026
51AQI (US)
2nd May 2026
89AQI (US)
3rd May 2026
50AQI (US)
4th May 2026
30AQI (US)
5th May 2026
37AQI (US)
6th May 2026
29AQI (US)
7th May 2026
34AQI (US)
8th May 2026
23AQI (US)
9th May 2026
10th May 2026
30AQI (US)
11th May 2026
37AQI (US)
12th May 2026
22AQI (US)
13th May 2026
32AQI (US)
14th May 2026
56AQI (US)
15th May 2026
54AQI (US)
16th May 2026
78AQI (US)
17th May 2026
66AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
64AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
79AQI (US)
23rd May 2026
73AQI (US)
24th May 2026
70AQI (US)
25th May 2026
66AQI (US)
26th May 2026
49AQI (US)
27th May 2026
30AQI (US)
28th May 2026
23AQI (US)
29th May 2026
57AQI (US)
30th May 2026
48AQI (US)
31st May 2026
41AQI (US)
1st June 2026
46AQI (US)
2nd June 2026
71AQI (US)
3rd June 2026
72AQI (US)
4th June 2026
61AQI (US)
5th June 2026
16AQI (US)
6th June 2026
28AQI (US)
7th June 2026
40AQI (US)
8th June 2026
35AQI (US)
9th June 2026
24AQI (US)
10th June 2026
35AQI (US)
11th June 2026
31AQI (US)
12th June 2026
43AQI (US)
13th June 2026
42AQI (US)
14th June 2026
42AQI (US)
15th June 2026
44AQI (US)
16th June 2026
60AQI (US)
17th June 2026
69AQI (US)
18th June 2026
57AQI (US)
19th June 2026
65AQI (US)
20th June 2026
22AQI (US)
21st June 2026
16AQI (US)
22nd June 2026
31AQI (US)
23rd June 2026
34AQI (US)
24th June 2026
13AQI (US)
25th June 2026
28AQI (US)
26th June 2026
42AQI (US)
27th June 2026
61AQI (US)
28th June 2026
43AQI (US)
29th June 2026
39AQI (US)
30th June 2026
40AQI (US)
1st July 2026
34AQI (US)
2nd July 2026
40AQI (US)
3rd July 2026
22AQI (US)
4th July 2026
39AQI (US)
5th July 2026
34AQI (US)
6th July 2026
26AQI (US)
7th July 2026
20AQI (US)
8th July 2026
23AQI (US)
9th July 2026
18AQI (US)
10th July 2026
31AQI (US)
11th July 2026
30AQI (US)
12th July 2026
34AQI (US)
13th July 2026
31AQI (US)
14th July 2026
24AQI (US)
15th July 2026
34AQI (US)
16th July 2026
51AQI (US)
17th July 2026
54AQI (US)
18th July 2026
28AQI (US)
19th July 2026
20AQI (US)
20th July 2026
33AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
37AQI (US)
23rd July 2026
46AQI (US)
24th July 2026
28AQI (US)
25th July 2026
26AQI (US)
26th July 2026
24AQI (US)
27th July 2026
28AQI (US)
28th July 2026
38AQI (US)
29th July 2026
16AQI (US)
30th July 2026
26AQI (US)
31st July 2026
44AQI (US)
1st August 2026
57AQI (US)
2nd August 2026
33AQI (US)
3rd August 2026
40AQI (US)
4th August 2026
57AQI (US)
5th August 2026
37AQI (US)
6th August 2026
43AQI (US)
7th August 2026
43AQI (US)
8th August 2026
48AQI (US)
9th August 2026
27AQI (US)
10th August 2026
17AQI (US)
11th August 2026
25AQI (US)
12th August 2026
27AQI (US)
13th August 2026
30AQI (US)
14th August 2026
47AQI (US)
15th August 2026
52AQI (US)
16th August 2026
32AQI (US)
17th August 2026
63AQI (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

57AQI (US)

70AQI (US)

82AQI (US)

58AQI (US)

50AQI (US)

42AQI (US)

31AQI (US)

40AQI (US)

No. of days

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

202654AQI (US)

16
11
4
9
13
6
5
21
5
12
14
2
15
15
22
8
29
2
13
4
121
88
17

Highest AQI (US) recorded in

March

82AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

202561AQI (US)

4
22
5
8
19
1
4
19
8
6
24
8
23
7
23
15
16
21
10
26
4
12
18
1
8
17
5
7
22
2
126
217
22

Highest AQI (US) recorded in

March

83AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202460AQI (US)

7
14
8
1
7
14
7
1
5
22
3
1
5
23
2
10
21
5
24
23
8
15
16
28
2
18
13
10
16
4
9
22
142
195
24
3

Highest AQI (US) recorded in

January

82AQI (US)

Lowest AQI (US) recorded in

September

35AQI (US)

202363AQI (US)

11
14
3
2
1
17
7
3
5
16
9
1
4
19
5
2
7
24
10
20
17
14
18
13
20
10
17
13
15
14
8
17
4
2
133
191
28
10

Highest AQI (US) recorded in

February

94AQI (US)

Lowest AQI (US) recorded in

September

44AQI (US)

202265AQI (US)

7
17
4
2
7
5
5
4
6
18
7
6
22
2
5
25
1
20
10
10
11
2
19
10
12
18
1
5
20
4
9
21
1
108
177
25
6

Highest AQI (US) recorded in

February

86AQI (US)

Lowest AQI (US) recorded in

August

36AQI (US)

202167AQI (US)

5
18
7
6
12
6
4
1
17
10
1
1
1
5
23
2
10
18
1
2
7
23
17
14
15
16
28
2
13
18
11
16
3
12
9
10
130
186
39
5
3
1

Highest AQI (US) recorded in

March

109AQI (US)

Lowest AQI (US) recorded in

September

39AQI (US)

202064AQI (US)

3
8
2
1
20
2
16
3
27
18
13
17
14
18
12
10
16
5
10
12
8
7
16
7
1
89
154
22
1

Highest AQI (US) recorded in

December

81AQI (US)

Lowest AQI (US) recorded in

July

48AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2021(Avg.)
67AQI (US)
Least Polluted Year Recorded
2026(Avg.)
54AQI (US)

Naep's annual 2026 AQI (US) (54) shows an average percentage change of -14.6% (improved AQI (US)) compared to previous years: 2020 (64), 2021 (67), 2022 (65), 2023 (63), 2024 (60), 2025 (61).