Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Chechon, Chungbuk, 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+

July Air Quality Analysis

Chechon, Chungbuk, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
13th Jul 2024
88AQI
Lowest AQI recorded on
18th Jul 2023
14AQI

Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Chechon, Chungbuk, South Korea

AQI
Day
Night
.

5 AM30th Jul 2026

7 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
7PM30th Jul

34AQI

Avg. Lowest Time
2PM30th Jul

20AQI

Night time
Avg. Highest Time
3AM31st Jul

48AQI

Avg. Lowest Time
8PM30th Jul

37AQI

In the last 24 hours,

Chechon's AQI reached its highest point of 48 at 3 AM during the Night, while the lowest point, 20, was recorded at 2 PM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Chechon, Chungbuk, South Korea

Jul
02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st
Day
Night
2nd Jul 2026255 AMAQI
2nd Jul 2026256 AMAQI
2nd Jul 2026287 AMAQI
2nd Jul 2026368 AMAQI
2nd Jul 2026319 AMAQI
2nd Jul 20263710 AMAQI
2nd Jul 20264211 AMAQI
2nd Jul 20264212 PMAQI
2nd Jul 2026321 PMAQI
2nd Jul 2026282 PMAQI
2nd Jul 2026263 PMAQI
2nd Jul 2026314 PMAQI
2nd Jul 2026335 PMAQI
2nd Jul 2026356 PMAQI
2nd Jul 2026347 PMAQI
2nd Jul 2026458 PMAQI
2nd Jul 2026469 PMAQI
2nd Jul 20263010 PMAQI
2nd Jul 20263011 PMAQI
3rd Jul 20263212 AMAQI
3rd Jul 2026321 AMAQI
3rd Jul 2026292 AMAQI
3rd Jul 2026313 AMAQI
3rd Jul 2026314 AMAQI

20°C13/28°C

3rd Jul 2026285 AMAQI
3rd Jul 2026306 AMAQI
3rd Jul 2026317 AMAQI
3rd Jul 2026308 AMAQI
3rd Jul 2026319 AMAQI
3rd Jul 20263210 AMAQI
3rd Jul 20263611 AMAQI
3rd Jul 20263012 PMAQI
3rd Jul 2026281 PMAQI
3rd Jul 2026282 PMAQI
3rd Jul 2026383 PMAQI
3rd Jul 2026364 PMAQI
3rd Jul 2026285 PMAQI
3rd Jul 2026306 PMAQI
3rd Jul 2026327 PMAQI
3rd Jul 2026308 PMAQI
3rd Jul 2026289 PMAQI
3rd Jul 20263010 PMAQI
3rd Jul 20263411 PMAQI
4th Jul 20263412 AMAQI
4th Jul 2026321 AMAQI
4th Jul 2026322 AMAQI
4th Jul 2026283 AMAQI
4th Jul 2026324 AMAQI

21°C15/28°C

4th Jul 2026345 AMAQI
4th Jul 2026306 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262510 AMAQI
4th Jul 20262711 AMAQI
4th Jul 20262612 PMAQI
4th Jul 2026241 PMAQI
4th Jul 2026262 PMAQI
4th Jul 2026273 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026266 PMAQI
4th Jul 2026267 PMAQI
4th Jul 2026308 PMAQI
4th Jul 2026279 PMAQI
4th Jul 20264210 PMAQI
4th Jul 20265511 PMAQI
5th Jul 20266312 AMAQI
5th Jul 2026601 AMAQI
5th Jul 2026602 AMAQI
5th Jul 2026643 AMAQI
5th Jul 2026644 AMAQI

23°C17/31°C

5th Jul 2026635 AMAQI
5th Jul 2026616 AMAQI
5th Jul 2026647 AMAQI
5th Jul 2026658 AMAQI
5th Jul 2026669 AMAQI
5th Jul 20266710 AMAQI
5th Jul 20266911 AMAQI
5th Jul 20267212 PMAQI
5th Jul 2026561 PMAQI
5th Jul 2026402 PMAQI
5th Jul 2026263 PMAQI
5th Jul 2026234 PMAQI
5th Jul 2026235 PMAQI
5th Jul 2026226 PMAQI
5th Jul 2026197 PMAQI
5th Jul 2026188 PMAQI
5th Jul 2026209 PMAQI
5th Jul 20262110 PMAQI
5th Jul 20262211 PMAQI
6th Jul 20262512 AMAQI
6th Jul 2026221 AMAQI
6th Jul 2026202 AMAQI
6th Jul 2026193 AMAQI
6th Jul 2026204 AMAQI

21°C18/25°C

6th Jul 2026195 AMAQI
6th Jul 2026176 AMAQI
6th Jul 2026167 AMAQI
6th Jul 2026158 AMAQI
6th Jul 2026139 AMAQI
6th Jul 20261410 AMAQI
6th Jul 20262211 AMAQI
6th Jul 20263412 PMAQI
6th Jul 2026351 PMAQI
6th Jul 2026342 PMAQI
6th Jul 2026263 PMAQI
6th Jul 2026234 PMAQI
6th Jul 2026205 PMAQI
6th Jul 2026206 PMAQI
6th Jul 2026217 PMAQI
6th Jul 2026208 PMAQI
6th Jul 2026199 PMAQI
6th Jul 20262010 PMAQI
6th Jul 20262411 PMAQI
7th Jul 20262312 AMAQI
7th Jul 2026221 AMAQI
7th Jul 2026232 AMAQI
7th Jul 2026233 AMAQI
7th Jul 2026224 AMAQI

23°C18/28°C

7th Jul 2026215 AMAQI
7th Jul 2026236 AMAQI
7th Jul 2026237 AMAQI
7th Jul 2026248 AMAQI
7th Jul 2026279 AMAQI
7th Jul 20262410 AMAQI
7th Jul 20262411 AMAQI
7th Jul 20263612 PMAQI
7th Jul 2026341 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026253 PMAQI
7th Jul 2026174 PMAQI
7th Jul 2026185 PMAQI
7th Jul 2026156 PMAQI
7th Jul 2026147 PMAQI
7th Jul 2026148 PMAQI
7th Jul 2026169 PMAQI
7th Jul 20261810 PMAQI
7th Jul 20262111 PMAQI
8th Jul 20262212 AMAQI
8th Jul 2026201 AMAQI
8th Jul 2026212 AMAQI
8th Jul 2026313 AMAQI
8th Jul 2026284 AMAQI

24°C20/31°C

8th Jul 2026275 AMAQI
8th Jul 2026256 AMAQI
8th Jul 2026237 AMAQI
8th Jul 2026298 AMAQI
8th Jul 2026329 AMAQI
8th Jul 20263210 AMAQI
8th Jul 20263011 AMAQI
8th Jul 20262712 PMAQI
8th Jul 2026251 PMAQI
8th Jul 2026242 PMAQI
8th Jul 2026263 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026225 PMAQI
8th Jul 2026216 PMAQI
8th Jul 2026187 PMAQI
8th Jul 2026188 PMAQI
8th Jul 2026199 PMAQI
8th Jul 20261710 PMAQI
8th Jul 20262211 PMAQI
9th Jul 20262712 AMAQI
9th Jul 2026231 AMAQI
9th Jul 2026262 AMAQI
9th Jul 2026273 AMAQI
9th Jul 2026264 AMAQI

22°C19/25°C

9th Jul 2026235 AMAQI
9th Jul 2026246 AMAQI
9th Jul 2026237 AMAQI
9th Jul 2026248 AMAQI
9th Jul 2026209 AMAQI
9th Jul 20262010 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20261712 PMAQI
9th Jul 2026181 PMAQI
9th Jul 2026162 PMAQI
9th Jul 2026173 PMAQI
9th Jul 2026214 PMAQI
9th Jul 2026225 PMAQI
9th Jul 2026226 PMAQI
9th Jul 2026227 PMAQI
9th Jul 2026358 PMAQI
9th Jul 2026369 PMAQI
9th Jul 20262810 PMAQI
9th Jul 20265511 PMAQI
10th Jul 20266112 AMAQI
10th Jul 2026571 AMAQI
10th Jul 2026542 AMAQI
10th Jul 2026433 AMAQI
10th Jul 2026414 AMAQI

22°C19/24°C

10th Jul 2026275 AMAQI
10th Jul 2026286 AMAQI
10th Jul 2026267 AMAQI
10th Jul 2026308 AMAQI
10th Jul 2026319 AMAQI
10th Jul 20263310 AMAQI
10th Jul 20264111 AMAQI
10th Jul 20264012 PMAQI
10th Jul 2026461 PMAQI
10th Jul 2026362 PMAQI
10th Jul 2026233 PMAQI
10th Jul 2026204 PMAQI
10th Jul 2026225 PMAQI
10th Jul 2026326 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026268 PMAQI
10th Jul 2026299 PMAQI
10th Jul 20263310 PMAQI
10th Jul 20262711 PMAQI
11th Jul 20262912 AMAQI
11th Jul 2026291 AMAQI
11th Jul 2026262 AMAQI
11th Jul 2026223 AMAQI
11th Jul 2026204 AMAQI

22°C18/27°C

11th Jul 2026215 AMAQI
11th Jul 2026206 AMAQI
11th Jul 2026227 AMAQI
11th Jul 2026288 AMAQI
11th Jul 2026449 AMAQI
11th Jul 20266210 AMAQI
11th Jul 20265911 AMAQI
11th Jul 20263612 PMAQI
11th Jul 2026451 PMAQI
11th Jul 2026402 PMAQI
11th Jul 2026413 PMAQI
11th Jul 2026344 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026287 PMAQI
11th Jul 2026378 PMAQI
11th Jul 2026409 PMAQI
11th Jul 20263710 PMAQI
11th Jul 20263511 PMAQI
12th Jul 20263312 AMAQI
12th Jul 2026341 AMAQI
12th Jul 2026362 AMAQI
12th Jul 2026343 AMAQI
12th Jul 2026254 AMAQI

26°C20/33°C

12th Jul 2026345 AMAQI
12th Jul 2026386 AMAQI
12th Jul 2026397 AMAQI
12th Jul 2026478 AMAQI
12th Jul 2026699 AMAQI
12th Jul 20263310 AMAQI
12th Jul 20264811 AMAQI
12th Jul 20265612 PMAQI
12th Jul 2026521 PMAQI
12th Jul 2026442 PMAQI
12th Jul 2026403 PMAQI
12th Jul 2026404 PMAQI
12th Jul 2026475 PMAQI
12th Jul 2026496 PMAQI
12th Jul 2026527 PMAQI
12th Jul 2026448 PMAQI
12th Jul 2026479 PMAQI
12th Jul 20265310 PMAQI
12th Jul 20265911 PMAQI
13th Jul 20265312 AMAQI
13th Jul 2026501 AMAQI
13th Jul 2026502 AMAQI
13th Jul 2026523 AMAQI
13th Jul 2026384 AMAQI

27°C20/35°C

13th Jul 2026395 AMAQI
13th Jul 2026406 AMAQI
13th Jul 2026327 AMAQI
13th Jul 2026348 AMAQI
13th Jul 2026399 AMAQI
13th Jul 20265110 AMAQI
13th Jul 20265511 AMAQI
13th Jul 20264712 PMAQI
13th Jul 2026361 PMAQI
13th Jul 2026332 PMAQI
13th Jul 2026293 PMAQI
13th Jul 2026304 PMAQI
13th Jul 2026345 PMAQI
13th Jul 2026336 PMAQI
13th Jul 2026327 PMAQI
13th Jul 2026318 PMAQI
13th Jul 2026319 PMAQI
13th Jul 20262810 PMAQI
13th Jul 20262811 PMAQI
14th Jul 20262712 AMAQI
14th Jul 2026311 AMAQI
14th Jul 2026302 AMAQI
14th Jul 2026323 AMAQI
14th Jul 2026304 AMAQI

26°C21/34°C

14th Jul 2026305 AMAQI
14th Jul 2026326 AMAQI
14th Jul 2026357 AMAQI
14th Jul 2026298 AMAQI
14th Jul 2026389 AMAQI
14th Jul 20263810 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20263412 PMAQI
14th Jul 2026201 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026203 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026275 PMAQI
14th Jul 2026296 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026298 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20263110 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026311 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026293 AMAQI
15th Jul 2026254 AMAQI

26°C20/33°C

15th Jul 2026285 AMAQI
15th Jul 2026236 AMAQI
15th Jul 2026277 AMAQI
15th Jul 2026278 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262311 AMAQI
15th Jul 20262112 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026193 PMAQI
15th Jul 2026214 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026227 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262810 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026282 AMAQI
16th Jul 2026283 AMAQI
16th Jul 2026284 AMAQI

24°C22/28°C

16th Jul 2026345 AMAQI
16th Jul 2026386 AMAQI
16th Jul 2026387 AMAQI
16th Jul 2026378 AMAQI
16th Jul 2026449 AMAQI
16th Jul 20265510 AMAQI
16th Jul 20265511 AMAQI
16th Jul 20265612 PMAQI
16th Jul 2026641 PMAQI
16th Jul 2026682 PMAQI
16th Jul 2026673 PMAQI
16th Jul 2026644 PMAQI
16th Jul 2026715 PMAQI
16th Jul 2026736 PMAQI
16th Jul 2026747 PMAQI
16th Jul 2026748 PMAQI
16th Jul 2026769 PMAQI
16th Jul 20267710 PMAQI
16th Jul 20268011 PMAQI
17th Jul 20268012 AMAQI
17th Jul 2026791 AMAQI
17th Jul 2026772 AMAQI
17th Jul 2026793 AMAQI
17th Jul 2026804 AMAQI

24°C17/32°C

17th Jul 2026785 AMAQI
17th Jul 2026766 AMAQI
17th Jul 2026787 AMAQI
17th Jul 2026808 AMAQI
17th Jul 2026799 AMAQI
17th Jul 20268610 AMAQI
17th Jul 20269211 AMAQI
17th Jul 20269712 PMAQI
17th Jul 2026991 PMAQI
17th Jul 2026932 PMAQI
17th Jul 2026833 PMAQI
17th Jul 2026834 PMAQI
17th Jul 2026805 PMAQI
17th Jul 2026666 PMAQI
17th Jul 2026677 PMAQI
17th Jul 2026568 PMAQI
17th Jul 2026509 PMAQI
17th Jul 20264910 PMAQI
17th Jul 20265011 PMAQI
18th Jul 20264912 AMAQI
18th Jul 2026471 AMAQI
18th Jul 2026472 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026394 AMAQI

23°C20/31°C

18th Jul 2026385 AMAQI
18th Jul 2026376 AMAQI
18th Jul 2026337 AMAQI
18th Jul 2026308 AMAQI
18th Jul 2026289 AMAQI
18th Jul 20263010 AMAQI
18th Jul 20263711 AMAQI
18th Jul 20263512 PMAQI
18th Jul 2026301 PMAQI
18th Jul 2026252 PMAQI
18th Jul 2026233 PMAQI
18th Jul 2026274 PMAQI
18th Jul 2026255 PMAQI
18th Jul 2026246 PMAQI
18th Jul 2026147 PMAQI
18th Jul 2026128 PMAQI
18th Jul 2026109 PMAQI
18th Jul 20261010 PMAQI
18th Jul 20261111 PMAQI
19th Jul 20261112 AMAQI
19th Jul 2026111 AMAQI
19th Jul 2026112 AMAQI
19th Jul 2026123 AMAQI
19th Jul 2026174 AMAQI

21°C20/22°C

19th Jul 2026165 AMAQI
19th Jul 2026136 AMAQI
19th Jul 2026137 AMAQI
19th Jul 2026138 AMAQI
19th Jul 2026129 AMAQI
19th Jul 20261110 AMAQI
19th Jul 20261011 AMAQI
19th Jul 20261012 PMAQI
19th Jul 2026101 PMAQI
19th Jul 2026112 PMAQI
19th Jul 2026123 PMAQI
19th Jul 2026144 PMAQI
19th Jul 2026205 PMAQI
19th Jul 2026236 PMAQI
19th Jul 2026207 PMAQI
19th Jul 2026208 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262811 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026301 AMAQI
20th Jul 2026282 AMAQI
20th Jul 2026303 AMAQI
20th Jul 2026284 AMAQI

22°C21/24°C

20th Jul 2026295 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026287 AMAQI
20th Jul 2026298 AMAQI
20th Jul 2026309 AMAQI
20th Jul 20263110 AMAQI
20th Jul 20262811 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026252 PMAQI
20th Jul 2026263 PMAQI
20th Jul 2026264 PMAQI
20th Jul 2026265 PMAQI
20th Jul 2026266 PMAQI
20th Jul 2026257 PMAQI
20th Jul 2026268 PMAQI
20th Jul 2026329 PMAQI
20th Jul 20263610 PMAQI
20th Jul 20263411 PMAQI
21st Jul 20263112 AMAQI
21st Jul 2026391 AMAQI
21st Jul 2026322 AMAQI
21st Jul 2026303 AMAQI
21st Jul 2026364 AMAQI

23°C19/28°C

21st Jul 2026365 AMAQI
21st Jul 2026376 AMAQI
21st Jul 2026427 AMAQI
21st Jul 2026418 AMAQI
21st Jul 2026409 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264411 AMAQI
21st Jul 2026391 PMAQI
21st Jul 2026402 PMAQI
21st Jul 2026403 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026326 PMAQI
21st Jul 2026767 PMAQI
21st Jul 2026388 PMAQI
21st Jul 2026349 PMAQI
21st Jul 20263310 PMAQI
21st Jul 20263411 PMAQI
22nd Jul 20263512 AMAQI
22nd Jul 2026351 AMAQI
22nd Jul 2026352 AMAQI
22nd Jul 2026343 AMAQI
22nd Jul 2026394 AMAQI

24°C20/29°C

22nd Jul 2026425 AMAQI
22nd Jul 2026386 AMAQI
22nd Jul 2026417 AMAQI
22nd Jul 2026438 AMAQI
22nd Jul 2026399 AMAQI
22nd Jul 20264710 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20263812 PMAQI
22nd Jul 2026371 PMAQI
22nd Jul 2026312 PMAQI
22nd Jul 2026413 PMAQI
22nd Jul 2026384 PMAQI
22nd Jul 2026365 PMAQI
22nd Jul 2026346 PMAQI
22nd Jul 2026307 PMAQI
22nd Jul 2026288 PMAQI
22nd Jul 2026289 PMAQI
22nd Jul 20262910 PMAQI
22nd Jul 20262811 PMAQI
23rd Jul 20262612 AMAQI
23rd Jul 2026261 AMAQI
23rd Jul 2026252 AMAQI
23rd Jul 2026273 AMAQI
23rd Jul 2026264 AMAQI

25°C21/28°C

23rd Jul 2026285 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026287 AMAQI
23rd Jul 2026268 AMAQI
23rd Jul 2026329 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264311 AMAQI
23rd Jul 20264312 PMAQI
23rd Jul 2026421 PMAQI
23rd Jul 2026382 PMAQI
23rd Jul 2026353 PMAQI
23rd Jul 2026344 PMAQI
23rd Jul 2026355 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026407 PMAQI
23rd Jul 2026388 PMAQI
23rd Jul 2026369 PMAQI
23rd Jul 20263510 PMAQI
23rd Jul 20263611 PMAQI
24th Jul 20263812 AMAQI
24th Jul 2026321 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026333 AMAQI
24th Jul 2026314 AMAQI

24°C20/28°C

24th Jul 2026285 AMAQI
24th Jul 2026276 AMAQI
24th Jul 2026287 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026299 AMAQI
24th Jul 20262910 AMAQI
24th Jul 20263611 AMAQI
24th Jul 20264212 PMAQI
24th Jul 2026381 PMAQI
24th Jul 2026342 PMAQI
24th Jul 2026263 PMAQI
24th Jul 2026304 PMAQI
24th Jul 2026345 PMAQI
24th Jul 2026316 PMAQI
24th Jul 2026287 PMAQI
24th Jul 2026228 PMAQI
24th Jul 2026249 PMAQI
24th Jul 20263210 PMAQI
24th Jul 20263111 PMAQI
25th Jul 20263112 AMAQI
25th Jul 2026331 AMAQI
25th Jul 2026282 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026284 AMAQI

25°C20/32°C

25th Jul 2026275 AMAQI
25th Jul 2026296 AMAQI
25th Jul 2026317 AMAQI
25th Jul 2026288 AMAQI
25th Jul 2026289 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20264011 AMAQI
25th Jul 20263512 PMAQI
25th Jul 2026281 PMAQI
25th Jul 2026282 PMAQI
25th Jul 2026223 PMAQI
25th Jul 2026224 PMAQI
25th Jul 2026245 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026258 PMAQI
25th Jul 2026269 PMAQI
25th Jul 20262610 PMAQI
25th Jul 20262811 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026241 AMAQI
26th Jul 2026272 AMAQI
26th Jul 2026303 AMAQI
26th Jul 2026254 AMAQI

25°C20/32°C

26th Jul 2026245 AMAQI
26th Jul 2026226 AMAQI
26th Jul 2026257 AMAQI
26th Jul 2026268 AMAQI
26th Jul 2026279 AMAQI
26th Jul 20262810 AMAQI
26th Jul 20263011 AMAQI
26th Jul 20263012 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026262 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026244 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026246 PMAQI
26th Jul 2026237 PMAQI
26th Jul 2026238 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262210 PMAQI
26th Jul 20262211 PMAQI
27th Jul 20262412 AMAQI
27th Jul 2026251 AMAQI
27th Jul 2026242 AMAQI
27th Jul 2026223 AMAQI
27th Jul 2026224 AMAQI

25°C20/30°C

27th Jul 2026235 AMAQI
27th Jul 2026246 AMAQI
27th Jul 2026247 AMAQI
27th Jul 2026228 AMAQI
27th Jul 2026229 AMAQI
27th Jul 20262410 AMAQI
27th Jul 20262411 AMAQI
27th Jul 20262312 PMAQI
27th Jul 2026231 PMAQI
27th Jul 2026232 PMAQI
27th Jul 2026233 PMAQI
27th Jul 2026244 PMAQI
27th Jul 2026225 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026247 PMAQI
27th Jul 2026228 PMAQI
27th Jul 2026239 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262412 AMAQI
28th Jul 2026241 AMAQI
28th Jul 2026262 AMAQI
28th Jul 2026263 AMAQI
28th Jul 2026264 AMAQI

25°C21/32°C

28th Jul 2026255 AMAQI
28th Jul 2026266 AMAQI
28th Jul 2026267 AMAQI
28th Jul 2026278 AMAQI
28th Jul 2026289 AMAQI
28th Jul 20263010 AMAQI
28th Jul 20263311 AMAQI
28th Jul 20263412 PMAQI
28th Jul 2026381 PMAQI
28th Jul 2026382 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026404 PMAQI
28th Jul 2026505 PMAQI
28th Jul 2026526 PMAQI
28th Jul 2026587 PMAQI
28th Jul 2026618 PMAQI
28th Jul 2026659 PMAQI
28th Jul 20266810 PMAQI
28th Jul 20267111 PMAQI
29th Jul 20266712 AMAQI
29th Jul 2026661 AMAQI
29th Jul 2026652 AMAQI
29th Jul 2026633 AMAQI
29th Jul 2026644 AMAQI

25°C22/31°C

29th Jul 2026625 AMAQI
29th Jul 2026606 AMAQI
29th Jul 2026577 AMAQI
29th Jul 2026588 AMAQI
29th Jul 2026559 AMAQI
29th Jul 20265210 AMAQI
29th Jul 20264311 AMAQI
29th Jul 20263912 PMAQI
29th Jul 2026341 PMAQI
29th Jul 2026362 PMAQI
29th Jul 2026303 PMAQI
29th Jul 2026254 PMAQI
29th Jul 2026205 PMAQI
29th Jul 2026206 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026268 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20263010 PMAQI
29th Jul 20263211 PMAQI
30th Jul 20262812 AMAQI
30th Jul 2026271 AMAQI
30th Jul 2026252 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026304 AMAQI

26°C20/32°C

30th Jul 2026245 AMAQI
30th Jul 2026256 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026248 AMAQI
30th Jul 2026269 AMAQI
30th Jul 20262710 AMAQI
30th Jul 20262811 AMAQI
30th Jul 20262612 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026202 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026274 PMAQI
30th Jul 2026325 PMAQI
30th Jul 2026326 PMAQI
30th Jul 2026347 PMAQI
30th Jul 2026378 PMAQI
30th Jul 2026409 PMAQI
30th Jul 20264110 PMAQI
30th Jul 20263811 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026401 AMAQI
31st Jul 2026402 AMAQI
31st Jul 2026483 AMAQI
31st Jul 2026474 AMAQI

25°C20/32°C

31st Jul 2026435 AMAQI
5 AM
31st Jul 2026396 AMAQI
31st Jul 2026407 AMAQI
31st Jul 2026398 AMAQI
31st Jul 2026399 AMAQI
31st Jul 20264510 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20263612 PMAQI
12 PM
31st Jul 2026381 PMAQI
31st Jul 2026542 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026564 PMAQI
31st Jul 2026585 PMAQI
31st Jul 2026596 PMAQI
31st Jul 2026607 PMAQI
7 PM
31st Jul 2026608 PMAQI
31st Jul 2026619 PMAQI
31st Jul 20266610 PMAQI
31st Jul 20266611 PMAQI
12 AM
4 AM

25°C18/33°C

Day time
Avg. Highest Time
11 AM

39AQI

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

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 11 AM (Avg. 39), while the lowest AQI was between 4 PM to 4 PM (Avg. 31).
Night time
Avg. Highest Time
11 PM

36AQI

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

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 36), while the lowest AQI was between 8 PM to 8 PM (Avg. 32).

2026 Days Vs Air Quality

Chechon, Chungbuk, South Korea

2026

58%

121

36%

74

6%

13

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
121 Days
Moderate
74 Days
Poor
13 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 58%

Health Risk Level:

Considerable

In 2026, 58% of 212 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Chechon, Chungbuk, 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
37AQI (US)
2nd January 2026
50AQI (US)
3rd January 2026
72AQI (US)
4th January 2026
89AQI (US)
5th January 2026
67AQI (US)
6th January 2026
54AQI (US)
7th January 2026
65AQI (US)
8th January 2026
38AQI (US)
9th January 2026
63AQI (US)
10th January 2026
66AQI (US)
11th January 2026
34AQI (US)
12th January 2026
45AQI (US)
13th January 2026
51AQI (US)
14th January 2026
34AQI (US)
15th January 2026
75AQI (US)
16th January 2026
145AQI (US)
17th January 2026
112AQI (US)
18th January 2026
94AQI (US)
19th January 2026
78AQI (US)
20th January 2026
39AQI (US)
21st January 2026
50AQI (US)
22nd January 2026
34AQI (US)
23rd January 2026
56AQI (US)
24th January 2026
65AQI (US)
25th January 2026
32AQI (US)
26th January 2026
45AQI (US)
27th January 2026
74AQI (US)
28th January 2026
46AQI (US)
29th January 2026
49AQI (US)
30th January 2026
56AQI (US)
31st January 2026
74AQI (US)
1st February 2026
62AQI (US)
2nd February 2026
64AQI (US)
3rd February 2026
66AQI (US)
4th February 2026
101AQI (US)
5th February 2026
134AQI (US)
6th February 2026
84AQI (US)
7th February 2026
49AQI (US)
8th February 2026
45AQI (US)
9th February 2026
41AQI (US)
10th February 2026
65AQI (US)
11th February 2026
106AQI (US)
12th February 2026
128AQI (US)
13th February 2026
137AQI (US)
14th February 2026
145AQI (US)
15th February 2026
120AQI (US)
16th February 2026
58AQI (US)
17th February 2026
45AQI (US)
18th February 2026
58AQI (US)
19th February 2026
46AQI (US)
20th February 2026
76AQI (US)
21st February 2026
99AQI (US)
22nd February 2026
78AQI (US)
23rd February 2026
32AQI (US)
24th February 2026
40AQI (US)
25th February 2026
47AQI (US)
26th February 2026
32AQI (US)
27th February 2026
25AQI (US)
28th February 2026
30AQI (US)
1st March 2026
44AQI (US)
2nd March 2026
17AQI (US)
3rd March 2026
52AQI (US)
4th March 2026
78AQI (US)
5th March 2026
59AQI (US)
6th March 2026
56AQI (US)
7th March 2026
71AQI (US)
8th March 2026
53AQI (US)
9th March 2026
84AQI (US)
10th March 2026
114AQI (US)
11th March 2026
95AQI (US)
12th March 2026
68AQI (US)
13th March 2026
35AQI (US)
14th March 2026
39AQI (US)
15th March 2026
83AQI (US)
16th March 2026
103AQI (US)
17th March 2026
91AQI (US)
18th March 2026
85AQI (US)
19th March 2026
80AQI (US)
20th March 2026
58AQI (US)
21st March 2026
85AQI (US)
22nd March 2026
71AQI (US)
23rd March 2026
72AQI (US)
24th March 2026
83AQI (US)
25th March 2026
82AQI (US)
26th March 2026
94AQI (US)
27th March 2026
128AQI (US)
28th March 2026
116AQI (US)
29th March 2026
76AQI (US)
30th March 2026
69AQI (US)
31st March 2026
37AQI (US)
1st April 2026
38AQI (US)
2nd April 2026
69AQI (US)
3rd April 2026
68AQI (US)
4th April 2026
46AQI (US)
5th April 2026
47AQI (US)
6th April 2026
51AQI (US)
7th April 2026
30AQI (US)
8th April 2026
41AQI (US)
9th April 2026
63AQI (US)
10th April 2026
30AQI (US)
11th April 2026
59AQI (US)
12th April 2026
51AQI (US)
13th April 2026
42AQI (US)
14th April 2026
48AQI (US)
15th April 2026
48AQI (US)
16th April 2026
37AQI (US)
17th April 2026
18th April 2026
48AQI (US)
19th April 2026
47AQI (US)
20th April 2026
50AQI (US)
21st April 2026
62AQI (US)
22nd April 2026
23rd April 2026
42AQI (US)
24th April 2026
32AQI (US)
25th April 2026
43AQI (US)
26th April 2026
42AQI (US)
27th April 2026
46AQI (US)
28th April 2026
46AQI (US)
29th April 2026
38AQI (US)
30th April 2026
35AQI (US)
1st May 2026
49AQI (US)
2nd May 2026
78AQI (US)
3rd May 2026
49AQI (US)
4th May 2026
27AQI (US)
5th May 2026
30AQI (US)
6th May 2026
44AQI (US)
7th May 2026
57AQI (US)
8th May 2026
36AQI (US)
9th May 2026
10th May 2026
44AQI (US)
11th May 2026
36AQI (US)
12th May 2026
43AQI (US)
13th May 2026
48AQI (US)
14th May 2026
47AQI (US)
15th May 2026
38AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
53AQI (US)
20th May 2026
63AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
76AQI (US)
23rd May 2026
71AQI (US)
24th May 2026
71AQI (US)
25th May 2026
65AQI (US)
26th May 2026
48AQI (US)
27th May 2026
29AQI (US)
28th May 2026
21AQI (US)
29th May 2026
56AQI (US)
30th May 2026
36AQI (US)
31st May 2026
39AQI (US)
1st June 2026
42AQI (US)
2nd June 2026
59AQI (US)
3rd June 2026
53AQI (US)
4th June 2026
27AQI (US)
5th June 2026
29AQI (US)
6th June 2026
25AQI (US)
7th June 2026
22AQI (US)
8th June 2026
24AQI (US)
9th June 2026
47AQI (US)
10th June 2026
50AQI (US)
11th June 2026
55AQI (US)
12th June 2026
43AQI (US)
13th June 2026
46AQI (US)
14th June 2026
38AQI (US)
15th June 2026
42AQI (US)
16th June 2026
36AQI (US)
17th June 2026
37AQI (US)
18th June 2026
38AQI (US)
19th June 2026
58AQI (US)
20th June 2026
18AQI (US)
21st June 2026
16AQI (US)
22nd June 2026
20AQI (US)
23rd June 2026
22AQI (US)
24th June 2026
21AQI (US)
25th June 2026
26AQI (US)
26th June 2026
28AQI (US)
27th June 2026
28AQI (US)
28th June 2026
30AQI (US)
29th June 2026
35AQI (US)
30th June 2026
40AQI (US)
1st July 2026
31AQI (US)
2nd July 2026
31AQI (US)
3rd July 2026
31AQI (US)
4th July 2026
30AQI (US)
5th July 2026
47AQI (US)
6th July 2026
22AQI (US)
7th July 2026
22AQI (US)
8th July 2026
24AQI (US)
9th July 2026
25AQI (US)
10th July 2026
35AQI (US)
11th July 2026
34AQI (US)
12th July 2026
44AQI (US)
13th July 2026
38AQI (US)
14th July 2026
30AQI (US)
15th July 2026
25AQI (US)
16th July 2026
53AQI (US)
17th July 2026
77AQI (US)
18th July 2026
30AQI (US)
19th July 2026
15AQI (US)
20th July 2026
28AQI (US)
21st July 2026
39AQI (US)
22nd July 2026
36AQI (US)
23rd July 2026
34AQI (US)
24th July 2026
31AQI (US)
25th July 2026
28AQI (US)
26th July 2026
26AQI (US)
27th July 2026
23AQI (US)
28th July 2026
39AQI (US)
29th July 2026
44AQI (US)
30th July 2026
29AQI (US)
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
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

61AQI (US)

72AQI (US)

73AQI (US)

46AQI (US)

51AQI (US)

35AQI (US)

33AQI (US)

No. of days

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

202653AQI (US)

13
16
2
11
10
7
5
22
4
21
7
17
13
26
4
28
2
121
74
13

Highest AQI (US) recorded in

March

73AQI (US)

Lowest AQI (US) recorded in

July

33AQI (US)

202560AQI (US)

1
26
4
4
23
1
4
25
2
5
25
5
26
5
25
19
12
20
11
28
2
18
13
6
22
2
7
19
5
122
229
14

Highest AQI (US) recorded in

January

77AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202455AQI (US)

4
23
4
14
12
3
4
24
3
5
23
2
11
20
11
19
24
7
21
10
29
1
25
6
15
15
4
27
167
187
12

Highest AQI (US) recorded in

January

75AQI (US)

Lowest AQI (US) recorded in

September

33AQI (US)

202362AQI (US)

4
21
5
1
4
15
9
2
22
7
6
20
3
1
8
23
12
18
21
10
19
12
21
9
11
20
10
18
1
11
16
4
129
204
29
2

Highest AQI (US) recorded in

February

84AQI (US)

Lowest AQI (US) recorded in

September

43AQI (US)

202263AQI (US)

2
23
4
1
2
16
5
9
19
3
7
23
6
24
1
15
15
15
8
1
26
2
17
14
4
23
3
2
25
4
106
192
20
1

Highest AQI (US) recorded in

January

83AQI (US)

Lowest AQI (US) recorded in

August

28AQI (US)

202158AQI (US)

9
20
2
7
16
5
7
21
2
1
9
21
11
18
1
1
10
20
26
5
23
8
28
2
17
13
1
7
20
2
1
10
18
3
164
182
16
2
1

Highest AQI (US) recorded in

March

74AQI (US)

Lowest AQI (US) recorded in

September

34AQI (US)

202057AQI (US)

3
10
4
16
1
3
15
4
24
2
27
4
22
9
24
6
13
16
2
7
21
2
5
18
8
112
139
15

Highest AQI (US) recorded in

December

78AQI (US)

Lowest AQI (US) recorded in

July

39AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
63AQI (US)
Least Polluted Year Recorded
2026(Avg.)
53AQI (US)

Chechon's annual 2026 AQI (US) (53) shows an average percentage change of -10.2% (improved AQI (US)) compared to previous years: 2020 (57), 2021 (58), 2022 (63), 2023 (62), 2024 (55), 2025 (60).