Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Jangjae ri, Chonan, 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

Jangjae ri, Chonan, Chungnam, South Korea

2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2023
81AQI
Lowest AQI recorded on
9th Aug 2026
13AQI

Same Day Analysis (17th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

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

Jangjae ri, Chonan, Chungnam, South Korea

AQI
Day
Night
.

5 AM16th Aug 2026

7 PM

4 AM17th Aug 2026

Day time
Avg. Highest Time
3PM16th Aug

73AQI

Avg. Lowest Time
7PM16th Aug

8AQI

Night time
Avg. Highest Time
4AM17th Aug

18AQI

Avg. Lowest Time
2AM17th Aug

4AQI

In the last 24 hours,

Jangjae ri's AQI reached its highest point of 73 at 3 PM during the Day, while the lowest point, 4, was recorded at 2 AM during the Night between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Jangjae ri, Chonan, 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 2026165 AMAQI
19th Jul 2026126 AMAQI
19th Jul 2026137 AMAQI
19th Jul 2026178 AMAQI
19th Jul 2026199 AMAQI
19th Jul 20261710 AMAQI
19th Jul 20261811 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026421 PMAQI
19th Jul 2026362 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026164 PMAQI
19th Jul 2026175 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026547 PMAQI
19th Jul 2026538 PMAQI
19th Jul 2026279 PMAQI
19th Jul 20262510 PMAQI
19th Jul 2026911 PMAQI
20th Jul 2026812 AMAQI
20th Jul 202661 AMAQI
20th Jul 2026122 AMAQI
20th Jul 2026463 AMAQI
20th Jul 2026564 AMAQI

24°C23/25°C

20th Jul 2026575 AMAQI
20th Jul 2026526 AMAQI
20th Jul 2026407 AMAQI
20th Jul 2026278 AMAQI
20th Jul 2026149 AMAQI
20th Jul 20261210 AMAQI
20th Jul 2026411 AMAQI
20th Jul 2026612 PMAQI
20th Jul 2026141 PMAQI
20th Jul 2026302 PMAQI
20th Jul 2026543 PMAQI
20th Jul 2026784 PMAQI
20th Jul 2026655 PMAQI
20th Jul 2026766 PMAQI
20th Jul 2026977 PMAQI
20th Jul 2026858 PMAQI
20th Jul 2026829 PMAQI
20th Jul 20265510 PMAQI
20th Jul 20262911 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026121 AMAQI
21st Jul 2026172 AMAQI
21st Jul 2026173 AMAQI
21st Jul 2026174 AMAQI

25°C21/30°C

21st Jul 2026335 AMAQI
21st Jul 2026176 AMAQI
21st Jul 2026277 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20261810 AMAQI
21st Jul 20261811 AMAQI
21st Jul 2026401 PMAQI
21st Jul 2026512 PMAQI
21st Jul 2026653 PMAQI
21st Jul 2026824 PMAQI
21st Jul 2026405 PMAQI
21st Jul 202666 PMAQI
21st Jul 2026647 PMAQI
21st Jul 2026118 PMAQI
21st Jul 2026219 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262512 AMAQI
22nd Jul 2026251 AMAQI
22nd Jul 2026252 AMAQI
22nd Jul 2026443 AMAQI
22nd Jul 2026514 AMAQI

25°C23/28°C

22nd Jul 2026555 AMAQI
22nd Jul 2026446 AMAQI
22nd Jul 2026317 AMAQI
22nd Jul 2026128 AMAQI
22nd Jul 2026129 AMAQI
22nd Jul 20263610 AMAQI
22nd Jul 20266011 AMAQI
22nd Jul 20269012 PMAQI
22nd Jul 2026741 PMAQI
22nd Jul 2026292 PMAQI
22nd Jul 2026253 PMAQI
22nd Jul 2026274 PMAQI
22nd Jul 2026165 PMAQI
22nd Jul 2026296 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026239 PMAQI
22nd Jul 20261210 PMAQI
22nd Jul 20261611 PMAQI
23rd Jul 20261912 AMAQI
23rd Jul 2026231 AMAQI
23rd Jul 2026362 AMAQI
23rd Jul 2026243 AMAQI
23rd Jul 2026124 AMAQI

27°C24/31°C

23rd Jul 2026185 AMAQI
23rd Jul 2026166 AMAQI
23rd Jul 2026187 AMAQI
23rd Jul 2026268 AMAQI
23rd Jul 2026289 AMAQI
23rd Jul 20263810 AMAQI
23rd Jul 20267211 AMAQI
23rd Jul 20268012 PMAQI
23rd Jul 2026781 PMAQI
23rd Jul 2026482 PMAQI
23rd Jul 2026523 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026255 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026467 PMAQI
23rd Jul 2026348 PMAQI
23rd Jul 2026279 PMAQI
23rd Jul 20262510 PMAQI
23rd Jul 20261711 PMAQI
24th Jul 20261712 AMAQI
24th Jul 2026161 AMAQI
24th Jul 2026182 AMAQI
24th Jul 2026223 AMAQI
24th Jul 2026314 AMAQI

26°C23/31°C

24th Jul 2026405 AMAQI
24th Jul 2026206 AMAQI
24th Jul 2026207 AMAQI
24th Jul 2026248 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20266211 AMAQI
24th Jul 20267112 PMAQI
24th Jul 2026481 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026213 PMAQI
24th Jul 2026234 PMAQI
24th Jul 2026175 PMAQI
24th Jul 202686 PMAQI
24th Jul 202687 PMAQI
24th Jul 202668 PMAQI
24th Jul 202699 PMAQI
24th Jul 20262110 PMAQI
24th Jul 20261611 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026231 AMAQI
25th Jul 2026142 AMAQI
25th Jul 2026193 AMAQI
25th Jul 2026294 AMAQI

27°C22/33°C

25th Jul 2026445 AMAQI
25th Jul 2026306 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026669 AMAQI
25th Jul 20267010 AMAQI
25th Jul 20266811 AMAQI
25th Jul 20265112 PMAQI
25th Jul 2026201 PMAQI
25th Jul 202682 PMAQI
25th Jul 202663 PMAQI
25th Jul 202684 PMAQI
25th Jul 2026105 PMAQI
25th Jul 2026126 PMAQI
25th Jul 2026127 PMAQI
25th Jul 2026278 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20261210 PMAQI
25th Jul 20261611 PMAQI
26th Jul 20263012 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026343 AMAQI
26th Jul 2026114 AMAQI

27°C23/31°C

26th Jul 2026125 AMAQI
26th Jul 2026176 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20263610 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20265312 PMAQI
26th Jul 2026551 PMAQI
26th Jul 202682 PMAQI
26th Jul 202683 PMAQI
26th Jul 202664 PMAQI
26th Jul 2026105 PMAQI
26th Jul 2026296 PMAQI
26th Jul 2026297 PMAQI
26th Jul 2026278 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262310 PMAQI
26th Jul 20262111 PMAQI
27th Jul 20261412 AMAQI
27th Jul 2026121 AMAQI
27th Jul 2026232 AMAQI
27th Jul 2026293 AMAQI
27th Jul 2026574 AMAQI

27°C23/32°C

27th Jul 2026645 AMAQI
27th Jul 2026706 AMAQI
27th Jul 2026717 AMAQI
27th Jul 2026698 AMAQI
27th Jul 2026679 AMAQI
27th Jul 2026810 AMAQI
27th Jul 20261811 AMAQI
27th Jul 20262412 PMAQI
27th Jul 2026171 PMAQI
27th Jul 202682 PMAQI
27th Jul 202683 PMAQI
27th Jul 2026124 PMAQI
27th Jul 2026145 PMAQI
27th Jul 2026406 PMAQI
27th Jul 2026327 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026279 PMAQI
27th Jul 20261810 PMAQI
27th Jul 2026811 PMAQI
28th Jul 20262012 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026552 AMAQI
28th Jul 2026553 AMAQI
28th Jul 2026364 AMAQI

27°C24/33°C

28th Jul 2026385 AMAQI
28th Jul 2026556 AMAQI
28th Jul 2026557 AMAQI
28th Jul 2026498 AMAQI
28th Jul 2026369 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20266511 AMAQI
28th Jul 20266212 PMAQI
28th Jul 2026631 PMAQI
28th Jul 2026622 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026745 PMAQI
28th Jul 2026676 PMAQI
28th Jul 2026587 PMAQI
28th Jul 2026448 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20263810 PMAQI
28th Jul 20262011 PMAQI
29th Jul 20261912 AMAQI
29th Jul 2026191 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026443 AMAQI
29th Jul 2026584 AMAQI

27°C23/31°C

29th Jul 2026595 AMAQI
29th Jul 2026596 AMAQI
29th Jul 2026597 AMAQI
29th Jul 2026578 AMAQI
29th Jul 2026339 AMAQI
29th Jul 20261010 AMAQI
29th Jul 2026811 AMAQI
29th Jul 20261412 PMAQI
29th Jul 2026171 PMAQI
29th Jul 2026162 PMAQI
29th Jul 2026133 PMAQI
29th Jul 2026104 PMAQI
29th Jul 202685 PMAQI
29th Jul 2026106 PMAQI
29th Jul 2026207 PMAQI
29th Jul 2026128 PMAQI
29th Jul 2026109 PMAQI
29th Jul 2026910 PMAQI
29th Jul 20261411 PMAQI
30th Jul 20263312 AMAQI
30th Jul 2026121 AMAQI
30th Jul 2026102 AMAQI
30th Jul 2026173 AMAQI
30th Jul 2026174 AMAQI

26°C23/31°C

30th Jul 2026235 AMAQI
30th Jul 2026236 AMAQI
30th Jul 202687 AMAQI
30th Jul 202668 AMAQI
30th Jul 202689 AMAQI
30th Jul 20261610 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026331 PMAQI
30th Jul 2026542 PMAQI
30th Jul 2026183 PMAQI
30th Jul 2026144 PMAQI
30th Jul 2026155 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026447 PMAQI
30th Jul 2026628 PMAQI
30th Jul 2026459 PMAQI
30th Jul 20261210 PMAQI
30th Jul 20261211 PMAQI
31st Jul 20261012 AMAQI
31st Jul 202681 AMAQI
31st Jul 2026102 AMAQI
31st Jul 2026123 AMAQI
31st Jul 2026144 AMAQI

26°C22/31°C

31st Jul 2026145 AMAQI
31st Jul 2026196 AMAQI
31st Jul 202687 AMAQI
31st Jul 202688 AMAQI
31st Jul 2026259 AMAQI
31st Jul 20264210 AMAQI
31st Jul 20265811 AMAQI
31st Jul 20268512 PMAQI
31st Jul 2026621 PMAQI
31st Jul 2026272 PMAQI
31st Jul 2026273 PMAQI
31st Jul 2026194 PMAQI
31st Jul 2026175 PMAQI
31st Jul 2026256 PMAQI
31st Jul 2026597 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026349 PMAQI
31st Jul 20263310 PMAQI
31st Jul 20264211 PMAQI
1st Aug 20264912 AMAQI
1st Aug 2026541 AMAQI
1st Aug 2026602 AMAQI
1st Aug 2026723 AMAQI
1st Aug 2026734 AMAQI

26°C21/32°C

1st Aug 2026625 AMAQI
1st Aug 2026366 AMAQI
1st Aug 2026337 AMAQI
1st Aug 2026298 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20265710 AMAQI
1st Aug 20269911 AMAQI
1st Aug 202610612 PMAQI
1st Aug 20261081 PMAQI
1st Aug 2026732 PMAQI
1st Aug 2026663 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026586 PMAQI
1st Aug 2026497 PMAQI
1st Aug 2026498 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20264010 PMAQI
1st Aug 20263311 PMAQI
2nd Aug 20263612 AMAQI
2nd Aug 2026331 AMAQI
2nd Aug 2026662 AMAQI
2nd Aug 2026523 AMAQI
2nd Aug 2026404 AMAQI

28°C24/32°C

2nd Aug 2026365 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026369 AMAQI
2nd Aug 20265610 AMAQI
2nd Aug 20266411 AMAQI
2nd Aug 20266012 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026143 PMAQI
2nd Aug 2026154 PMAQI
2nd Aug 2026215 PMAQI
2nd Aug 2026256 PMAQI
2nd Aug 2026297 PMAQI
2nd Aug 2026318 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20262710 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20261212 AMAQI
3rd Aug 2026421 AMAQI
3rd Aug 2026572 AMAQI
3rd Aug 2026623 AMAQI
3rd Aug 2026584 AMAQI

27°C23/33°C

3rd Aug 2026605 AMAQI
3rd Aug 2026406 AMAQI
3rd Aug 2026347 AMAQI
3rd Aug 2026218 AMAQI
3rd Aug 2026219 AMAQI
3rd Aug 20262110 AMAQI
3rd Aug 20263211 AMAQI
3rd Aug 20266412 PMAQI
3rd Aug 2026831 PMAQI
3rd Aug 2026762 PMAQI
3rd Aug 2026533 PMAQI
3rd Aug 2026604 PMAQI
3rd Aug 2026605 PMAQI
3rd Aug 2026386 PMAQI
3rd Aug 2026197 PMAQI
3rd Aug 2026428 PMAQI
3rd Aug 2026739 PMAQI
3rd Aug 20267310 PMAQI
3rd Aug 20266011 PMAQI
4th Aug 20264812 AMAQI
4th Aug 2026471 AMAQI
4th Aug 2026702 AMAQI
4th Aug 2026803 AMAQI
4th Aug 2026764 AMAQI

28°C22/35°C

4th Aug 2026625 AMAQI
4th Aug 2026766 AMAQI
4th Aug 2026927 AMAQI
4th Aug 2026808 AMAQI
4th Aug 2026759 AMAQI
4th Aug 20268010 AMAQI
4th Aug 20269811 AMAQI
4th Aug 20268812 PMAQI
4th Aug 2026781 PMAQI
4th Aug 2026602 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026604 PMAQI
4th Aug 2026625 PMAQI
4th Aug 2026586 PMAQI
4th Aug 2026447 PMAQI
4th Aug 2026818 PMAQI
4th Aug 2026839 PMAQI
4th Aug 20268610 PMAQI
4th Aug 20268011 PMAQI
5th Aug 20266412 AMAQI
5th Aug 2026651 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026273 AMAQI
5th Aug 2026274 AMAQI

29°C24/35°C

5th Aug 2026465 AMAQI
5th Aug 2026446 AMAQI
5th Aug 2026427 AMAQI
5th Aug 2026258 AMAQI
5th Aug 2026299 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20265411 AMAQI
5th Aug 20266212 PMAQI
5th Aug 2026601 PMAQI
5th Aug 2026232 PMAQI
5th Aug 2026213 PMAQI
5th Aug 202684 PMAQI
5th Aug 202685 PMAQI
5th Aug 202686 PMAQI
5th Aug 2026127 PMAQI
5th Aug 2026128 PMAQI
5th Aug 2026259 PMAQI
5th Aug 20262510 PMAQI
5th Aug 20264811 PMAQI
6th Aug 20267812 AMAQI
6th Aug 2026941 AMAQI
6th Aug 20261192 AMAQI
6th Aug 20261203 AMAQI
6th Aug 2026784 AMAQI

29°C24/35°C

6th Aug 2026575 AMAQI
6th Aug 2026186 AMAQI
6th Aug 202687 AMAQI
6th Aug 202688 AMAQI
6th Aug 2026109 AMAQI
6th Aug 2026810 AMAQI
6th Aug 2026811 AMAQI
6th Aug 20261412 PMAQI
6th Aug 2026131 PMAQI
6th Aug 2026122 PMAQI
6th Aug 2026103 PMAQI
6th Aug 202684 PMAQI
6th Aug 202685 PMAQI
6th Aug 2026106 PMAQI
6th Aug 2026107 PMAQI
6th Aug 2026108 PMAQI
6th Aug 202689 PMAQI
6th Aug 20261810 PMAQI
6th Aug 20264211 PMAQI
7th Aug 20265912 AMAQI
7th Aug 20261041 AMAQI
7th Aug 20261082 AMAQI
7th Aug 20261023 AMAQI
7th Aug 2026924 AMAQI

29°C23/35°C

7th Aug 2026585 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026277 AMAQI
7th Aug 2026278 AMAQI
7th Aug 2026209 AMAQI
7th Aug 20261810 AMAQI
7th Aug 20261811 AMAQI
7th Aug 20262812 PMAQI
7th Aug 2026581 PMAQI
7th Aug 2026202 PMAQI
7th Aug 2026173 PMAQI
7th Aug 2026174 PMAQI
7th Aug 2026175 PMAQI
7th Aug 2026256 PMAQI
7th Aug 2026387 PMAQI
7th Aug 2026128 PMAQI
7th Aug 2026259 PMAQI
7th Aug 20263610 PMAQI
7th Aug 20264211 PMAQI
8th Aug 20265912 AMAQI
8th Aug 2026741 AMAQI
8th Aug 2026762 AMAQI
8th Aug 2026803 AMAQI
8th Aug 2026804 AMAQI

29°C23/36°C

8th Aug 2026655 AMAQI
8th Aug 2026386 AMAQI
8th Aug 2026177 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026129 AMAQI
8th Aug 20261210 AMAQI
8th Aug 2026911 AMAQI
8th Aug 20261912 PMAQI
8th Aug 2026261 PMAQI
8th Aug 2026212 PMAQI
8th Aug 2026103 PMAQI
8th Aug 202684 PMAQI
8th Aug 2026125 PMAQI
8th Aug 2026686 PMAQI
8th Aug 2026467 PMAQI
8th Aug 2026258 PMAQI
8th Aug 2026349 PMAQI
8th Aug 20263610 PMAQI
8th Aug 20261711 PMAQI
9th Aug 20261212 AMAQI
9th Aug 2026121 AMAQI
9th Aug 2026122 AMAQI
9th Aug 2026103 AMAQI
9th Aug 202684 AMAQI

28°C22/35°C

9th Aug 202645 AMAQI
9th Aug 202686 AMAQI
9th Aug 202647 AMAQI
9th Aug 202688 AMAQI
9th Aug 2026109 AMAQI
9th Aug 20261910 AMAQI
9th Aug 20262911 AMAQI
9th Aug 20263812 PMAQI
9th Aug 2026181 PMAQI
9th Aug 2026122 PMAQI
9th Aug 202663 PMAQI
9th Aug 2026194 PMAQI
9th Aug 2026205 PMAQI
9th Aug 2026216 PMAQI
9th Aug 2026167 PMAQI
9th Aug 202688 PMAQI
9th Aug 202689 PMAQI
9th Aug 2026610 PMAQI
9th Aug 20261011 PMAQI
10th Aug 20261912 AMAQI
10th Aug 2026191 AMAQI
10th Aug 2026212 AMAQI
10th Aug 2026173 AMAQI
10th Aug 2026214 AMAQI

25°C21/30°C

10th Aug 2026195 AMAQI
10th Aug 2026126 AMAQI
10th Aug 202687 AMAQI
10th Aug 202688 AMAQI
10th Aug 202689 AMAQI
10th Aug 2026810 AMAQI
10th Aug 2026811 AMAQI
10th Aug 20261012 PMAQI
10th Aug 202681 PMAQI
10th Aug 202682 PMAQI
10th Aug 2026173 PMAQI
10th Aug 2026204 PMAQI
10th Aug 2026385 PMAQI
10th Aug 2026366 PMAQI
10th Aug 2026387 PMAQI
10th Aug 2026368 PMAQI
10th Aug 2026429 PMAQI
10th Aug 20262310 PMAQI
10th Aug 20262711 PMAQI
11th Aug 20262512 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026212 AMAQI
11th Aug 2026233 AMAQI
11th Aug 2026254 AMAQI

25°C21/30°C

11th Aug 2026275 AMAQI
11th Aug 2026296 AMAQI
11th Aug 2026297 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026279 AMAQI
11th Aug 20262710 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262112 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026272 PMAQI
11th Aug 2026443 PMAQI
11th Aug 2026504 PMAQI
11th Aug 2026465 PMAQI
11th Aug 2026446 PMAQI
11th Aug 2026427 PMAQI
11th Aug 2026298 PMAQI
11th Aug 2026259 PMAQI
11th Aug 20262310 PMAQI
11th Aug 20262111 PMAQI
12th Aug 20262112 AMAQI
12th Aug 2026211 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026194 AMAQI

24°C19/31°C

12th Aug 2026215 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026257 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026449 AMAQI
12th Aug 20264010 AMAQI
12th Aug 20263411 AMAQI
12th Aug 20263012 PMAQI
12th Aug 2026251 PMAQI
12th Aug 2026442 PMAQI
12th Aug 2026403 PMAQI
12th Aug 2026334 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026366 PMAQI
12th Aug 2026367 PMAQI
12th Aug 2026238 PMAQI
12th Aug 2026219 PMAQI
12th Aug 20262110 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20262712 AMAQI
13th Aug 2026251 AMAQI
13th Aug 2026252 AMAQI
13th Aug 2026253 AMAQI
13th Aug 2026254 AMAQI

22°C15/30°C

13th Aug 2026295 AMAQI
13th Aug 2026446 AMAQI
13th Aug 2026537 AMAQI
13th Aug 2026558 AMAQI
13th Aug 2026519 AMAQI
13th Aug 20265610 AMAQI
13th Aug 20265711 AMAQI
13th Aug 20266212 PMAQI
13th Aug 2026761 PMAQI
13th Aug 2026382 PMAQI
13th Aug 2026383 PMAQI
13th Aug 2026384 PMAQI
13th Aug 2026365 PMAQI
13th Aug 2026366 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026108 PMAQI
13th Aug 2026189 PMAQI
13th Aug 20262910 PMAQI
13th Aug 20263611 PMAQI
14th Aug 20265812 AMAQI
14th Aug 2026851 AMAQI
14th Aug 2026832 AMAQI
14th Aug 2026673 AMAQI
14th Aug 2026574 AMAQI

24°C18/30°C

14th Aug 2026475 AMAQI
14th Aug 2026126 AMAQI
14th Aug 202687 AMAQI
14th Aug 2026128 AMAQI
14th Aug 2026199 AMAQI
14th Aug 20264810 AMAQI
14th Aug 20265611 AMAQI
14th Aug 20263312 PMAQI
14th Aug 2026251 PMAQI
14th Aug 2026192 PMAQI
14th Aug 2026113 PMAQI
14th Aug 202684 PMAQI
14th Aug 202675 PMAQI
14th Aug 202656 PMAQI
14th Aug 202687 PMAQI
14th Aug 2026178 PMAQI
14th Aug 2026239 PMAQI
14th Aug 20265410 PMAQI
14th Aug 20266211 PMAQI
15th Aug 20267212 AMAQI
15th Aug 2026681 AMAQI
15th Aug 2026832 AMAQI
15th Aug 2026903 AMAQI
15th Aug 2026904 AMAQI

24°C20/30°C

15th Aug 2026835 AMAQI
15th Aug 2026896 AMAQI
15th Aug 2026747 AMAQI
15th Aug 2026758 AMAQI
15th Aug 2026639 AMAQI
15th Aug 20266010 AMAQI
15th Aug 20265811 AMAQI
15th Aug 20263812 PMAQI
15th Aug 2026541 PMAQI
15th Aug 2026542 PMAQI
15th Aug 2026333 PMAQI
15th Aug 2026294 PMAQI
15th Aug 2026125 PMAQI
15th Aug 2026126 PMAQI
15th Aug 2026217 PMAQI
15th Aug 2026198 PMAQI
15th Aug 2026329 PMAQI
15th Aug 20264410 PMAQI
15th Aug 20266911 PMAQI
16th Aug 20266512 AMAQI
16th Aug 2026541 AMAQI
16th Aug 2026562 AMAQI
16th Aug 2026583 AMAQI
16th Aug 2026364 AMAQI

24°C22/29°C

16th Aug 2026145 AMAQI
16th Aug 2026126 AMAQI
16th Aug 2026127 AMAQI
16th Aug 202688 AMAQI
16th Aug 2026129 AMAQI
16th Aug 20261610 AMAQI
16th Aug 20263111 AMAQI
16th Aug 20263312 PMAQI
16th Aug 2026551 PMAQI
16th Aug 2026642 PMAQI
16th Aug 2026733 PMAQI
16th Aug 2026694 PMAQI
16th Aug 2026265 PMAQI
16th Aug 2026166 PMAQI
16th Aug 202687 PMAQI
16th Aug 202688 PMAQI
16th Aug 202689 PMAQI
16th Aug 2026810 PMAQI
16th Aug 2026611 PMAQI
17th Aug 2026612 AMAQI
17th Aug 202681 AMAQI
17th Aug 202642 AMAQI
17th Aug 2026123 AMAQI
17th Aug 2026184 AMAQI

23°C22/27°C

17th Aug 2026145 AMAQI
5 AM
17th Aug 2026106 AMAQI
17th Aug 2026127 AMAQI
17th Aug 2026128 AMAQI
17th Aug 2026109 AMAQI
17th Aug 20261410 AMAQI
17th Aug 20264011 AMAQI
17th Aug 20267112 PMAQI
12 PM
17th Aug 2026741 PMAQI
17th Aug 2026562 PMAQI
17th Aug 2026483 PMAQI
17th Aug 2026454 PMAQI
17th Aug 2026495 PMAQI
17th Aug 2026406 PMAQI
17th Aug 2026257 PMAQI
7 PM
17th Aug 2026258 PMAQI
17th Aug 2026219 PMAQI
17th Aug 20262710 PMAQI
17th Aug 20263611 PMAQI
12 AM
4 AM

13°C13/14°C

Day time
Avg. Highest Time
12 PM - 1 PM

48AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM

27AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 1 PM (Avg. 48), while the lowest AQI was between 5 PM to 5 PM (Avg. 27).
Night time
Avg. Highest Time
3 AM

43AQI

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

29AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 3 AM (Avg. 43), while the lowest AQI was between 8 PM to 8 PM (Avg. 29).

2026 Days Vs Air Quality

Jangjae ri, Chonan, Chungnam, South Korea

2026

46%

104

40%

91

14%

31

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

Good
104 Days
Moderate
91 Days
Poor
31 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 46%

Health Risk Level:

Significant

In 2026, 46% of 229 days were within WHO’s safe air quality limits, and 54% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.

Annual Air Quality Insights

Jangjae ri, Chonan, 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
25AQI (US)
2nd January 2026
33AQI (US)
3rd January 2026
61AQI (US)
4th January 2026
88AQI (US)
5th January 2026
71AQI (US)
6th January 2026
52AQI (US)
7th January 2026
60AQI (US)
8th January 2026
26AQI (US)
9th January 2026
49AQI (US)
10th January 2026
50AQI (US)
11th January 2026
26AQI (US)
12th January 2026
48AQI (US)
13th January 2026
50AQI (US)
14th January 2026
43AQI (US)
15th January 2026
109AQI (US)
16th January 2026
148AQI (US)
17th January 2026
131AQI (US)
18th January 2026
131AQI (US)
19th January 2026
69AQI (US)
20th January 2026
37AQI (US)
21st January 2026
39AQI (US)
22nd January 2026
34AQI (US)
23rd January 2026
76AQI (US)
24th January 2026
57AQI (US)
25th January 2026
31AQI (US)
26th January 2026
60AQI (US)
27th January 2026
62AQI (US)
28th January 2026
44AQI (US)
29th January 2026
51AQI (US)
30th January 2026
55AQI (US)
31st January 2026
77AQI (US)
1st February 2026
97AQI (US)
2nd February 2026
75AQI (US)
3rd February 2026
85AQI (US)
4th February 2026
131AQI (US)
5th February 2026
143AQI (US)
6th February 2026
69AQI (US)
7th February 2026
43AQI (US)
8th February 2026
42AQI (US)
9th February 2026
58AQI (US)
10th February 2026
98AQI (US)
11th February 2026
116AQI (US)
12th February 2026
127AQI (US)
13th February 2026
146AQI (US)
14th February 2026
148AQI (US)
15th February 2026
113AQI (US)
16th February 2026
53AQI (US)
17th February 2026
63AQI (US)
18th February 2026
56AQI (US)
19th February 2026
52AQI (US)
20th February 2026
102AQI (US)
21st February 2026
104AQI (US)
22nd February 2026
62AQI (US)
23rd February 2026
36AQI (US)
24th February 2026
56AQI (US)
25th February 2026
66AQI (US)
26th February 2026
30AQI (US)
27th February 2026
32AQI (US)
28th February 2026
58AQI (US)
1st March 2026
35AQI (US)
2nd March 2026
20AQI (US)
3rd March 2026
43AQI (US)
4th March 2026
61AQI (US)
5th March 2026
94AQI (US)
6th March 2026
72AQI (US)
7th March 2026
59AQI (US)
8th March 2026
65AQI (US)
9th March 2026
108AQI (US)
10th March 2026
112AQI (US)
11th March 2026
114AQI (US)
12th March 2026
126AQI (US)
13th March 2026
49AQI (US)
14th March 2026
62AQI (US)
15th March 2026
101AQI (US)
16th March 2026
131AQI (US)
17th March 2026
136AQI (US)
18th March 2026
130AQI (US)
19th March 2026
57AQI (US)
20th March 2026
73AQI (US)
21st March 2026
104AQI (US)
22nd March 2026
101AQI (US)
23rd March 2026
116AQI (US)
24th March 2026
120AQI (US)
25th March 2026
100AQI (US)
26th March 2026
113AQI (US)
27th March 2026
129AQI (US)
28th March 2026
109AQI (US)
29th March 2026
129AQI (US)
30th March 2026
104AQI (US)
31st March 2026
48AQI (US)
1st April 2026
77AQI (US)
2nd April 2026
85AQI (US)
3rd April 2026
118AQI (US)
4th April 2026
38AQI (US)
5th April 2026
64AQI (US)
6th April 2026
52AQI (US)
7th April 2026
36AQI (US)
8th April 2026
44AQI (US)
9th April 2026
68AQI (US)
10th April 2026
37AQI (US)
11th April 2026
74AQI (US)
12th April 2026
88AQI (US)
13th April 2026
75AQI (US)
14th April 2026
62AQI (US)
15th April 2026
82AQI (US)
16th April 2026
74AQI (US)
17th April 2026
18th April 2026
68AQI (US)
19th April 2026
88AQI (US)
20th April 2026
73AQI (US)
21st April 2026
61AQI (US)
22nd April 2026
23rd April 2026
59AQI (US)
24th April 2026
44AQI (US)
25th April 2026
61AQI (US)
26th April 2026
58AQI (US)
27th April 2026
59AQI (US)
28th April 2026
42AQI (US)
29th April 2026
56AQI (US)
30th April 2026
54AQI (US)
1st May 2026
42AQI (US)
2nd May 2026
79AQI (US)
3rd May 2026
52AQI (US)
4th May 2026
25AQI (US)
5th May 2026
42AQI (US)
6th May 2026
45AQI (US)
7th May 2026
55AQI (US)
8th May 2026
30AQI (US)
9th May 2026
10th May 2026
48AQI (US)
11th May 2026
50AQI (US)
12th May 2026
31AQI (US)
13th May 2026
53AQI (US)
14th May 2026
46AQI (US)
15th May 2026
57AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
64AQI (US)
21st May 2026
67AQI (US)
22nd May 2026
77AQI (US)
23rd May 2026
72AQI (US)
24th May 2026
71AQI (US)
25th May 2026
66AQI (US)
26th May 2026
49AQI (US)
27th May 2026
32AQI (US)
28th May 2026
30AQI (US)
29th May 2026
43AQI (US)
30th May 2026
52AQI (US)
31st May 2026
52AQI (US)
1st June 2026
47AQI (US)
2nd June 2026
67AQI (US)
3rd June 2026
68AQI (US)
4th June 2026
64AQI (US)
5th June 2026
15AQI (US)
6th June 2026
43AQI (US)
7th June 2026
45AQI (US)
8th June 2026
44AQI (US)
9th June 2026
40AQI (US)
10th June 2026
48AQI (US)
11th June 2026
38AQI (US)
12th June 2026
44AQI (US)
13th June 2026
45AQI (US)
14th June 2026
51AQI (US)
15th June 2026
38AQI (US)
16th June 2026
61AQI (US)
17th June 2026
63AQI (US)
18th June 2026
62AQI (US)
19th June 2026
65AQI (US)
20th June 2026
22AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
45AQI (US)
23rd June 2026
20AQI (US)
24th June 2026
13AQI (US)
25th June 2026
28AQI (US)
26th June 2026
40AQI (US)
27th June 2026
58AQI (US)
28th June 2026
52AQI (US)
29th June 2026
44AQI (US)
30th June 2026
56AQI (US)
1st July 2026
48AQI (US)
2nd July 2026
55AQI (US)
3rd July 2026
20AQI (US)
4th July 2026
42AQI (US)
5th July 2026
29AQI (US)
6th July 2026
21AQI (US)
7th July 2026
29AQI (US)
8th July 2026
21AQI (US)
9th July 2026
21AQI (US)
10th July 2026
39AQI (US)
11th July 2026
36AQI (US)
12th July 2026
39AQI (US)
13th July 2026
31AQI (US)
14th July 2026
24AQI (US)
15th July 2026
33AQI (US)
16th July 2026
58AQI (US)
17th July 2026
59AQI (US)
18th July 2026
25AQI (US)
19th July 2026
22AQI (US)
20th July 2026
42AQI (US)
21st July 2026
29AQI (US)
22nd July 2026
34AQI (US)
23rd July 2026
34AQI (US)
24th July 2026
27AQI (US)
25th July 2026
28AQI (US)
26th July 2026
26AQI (US)
27th July 2026
31AQI (US)
28th July 2026
48AQI (US)
29th July 2026
25AQI (US)
30th July 2026
24AQI (US)
31st July 2026
29AQI (US)
1st August 2026
56AQI (US)
2nd August 2026
36AQI (US)
3rd August 2026
48AQI (US)
4th August 2026
71AQI (US)
5th August 2026
34AQI (US)
6th August 2026
32AQI (US)
7th August 2026
41AQI (US)
8th August 2026
36AQI (US)
9th August 2026
13AQI (US)
10th August 2026
20AQI (US)
11th August 2026
29AQI (US)
12th August 2026
29AQI (US)
13th August 2026
38AQI (US)
14th August 2026
34AQI (US)
15th August 2026
55AQI (US)
16th August 2026
31AQI (US)
17th August 2026
28AQI (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

61AQI (US)

81AQI (US)

91AQI (US)

64AQI (US)

53AQI (US)

45AQI (US)

33AQI (US)

37AQI (US)

No. of days

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

202659AQI (US)

14
13
4
5
14
9
5
9
17
6
21
1
13
17
19
11
28
3
14
3
104
91
31

Highest AQI (US) recorded in

March

91AQI (US)

Lowest AQI (US) recorded in

July

33AQI (US)

202563AQI (US)

1
25
5
3
24
1
2
22
7
5
25
7
24
2
28
14
17
20
11
27
3
13
18
6
20
4
8
21
2
108
238
19

Highest AQI (US) recorded in

January

82AQI (US)

Lowest AQI (US) recorded in

September

42AQI (US)

202463AQI (US)

7
10
12
7
12
9
1
4
23
3
1
3
24
3
6
23
2
3
27
23
8
15
16
23
7
14
17
7
21
2
3
28
115
216
31
2

Highest AQI (US) recorded in

January

88AQI (US)

Lowest AQI (US) recorded in

July

38AQI (US)

202371AQI (US)

4
17
6
3
15
9
4
2
12
14
3
3
21
5
1
6
24
1
8
22
17
14
14
17
16
14
10
21
10
17
2
8
14
8
1
98
208
45
12

Highest AQI (US) recorded in

February

108AQI (US)

Lowest AQI (US) recorded in

July

48AQI (US)

202277AQI (US)

8
6
10
17
4
3
17
8
2
5
16
10
26
56
22
2

Highest AQI (US) recorded in

November

90AQI (US)

Lowest AQI (US) recorded in

September

55AQI (US)

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded
2022(Avg.)
77AQI (US)
Least Polluted Year Recorded
2026(Avg.)
59AQI (US)

Jangjae ri's annual 2026 AQI (US) (59) shows an average percentage change of -13.2% (improved AQI (US)) compared to previous years: 2022 (77), 2023 (71), 2024 (63), 2025 (63).