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HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Sannam Dong, Cheongju, 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+

August Air Quality Analysis

Sannam Dong, Cheongju, Chungbuk, South Korea

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Aug 2024
77AQI
Lowest AQI recorded on
21st Aug 2024
19AQI

Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 45 of Good air quality, showing improvement over 2023 on the same day.

Day & Night AQI Trend: 15th Aug - 16th Aug 2026

Sannam Dong, Cheongju, Chungbuk, South Korea

AQI
Day
Night
.

5 AM15th Aug 2026

7 PM

4 AM16th Aug 2026

Day time
Avg. Highest Time
5AM15th Aug

55AQI

Avg. Lowest Time
12PM15th Aug

33AQI

Night time
Avg. Highest Time
12AM16th Aug

51AQI

Avg. Lowest Time
8PM15th Aug

38AQI

In the last 24 hours,

Sannam Dong's AQI reached its highest point of 55 at 5 AM during the Day, while the lowest point, 33, was recorded at 12 PM during the Day between 15th Aug and 16th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Sannam Dong, Cheongju, Chungbuk, South Korea

JulAug
18th - 19th19th - 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
Day
Night
18th Jul 2026195 AMAQI
18th Jul 2026116 AMAQI
18th Jul 2026147 AMAQI
18th Jul 2026158 AMAQI
18th Jul 2026189 AMAQI
18th Jul 20262410 AMAQI
18th Jul 20263611 AMAQI
18th Jul 20264612 PMAQI
18th Jul 2026491 PMAQI
18th Jul 2026502 PMAQI
18th Jul 2026503 PMAQI
18th Jul 2026404 PMAQI
18th Jul 2026425 PMAQI
18th Jul 2026526 PMAQI
18th Jul 2026387 PMAQI
18th Jul 2026338 PMAQI
18th Jul 2026369 PMAQI
18th Jul 20264010 PMAQI
18th Jul 20263811 PMAQI
19th Jul 20264212 AMAQI
19th Jul 2026521 AMAQI
19th Jul 2026462 AMAQI
19th Jul 2026313 AMAQI
19th Jul 2026294 AMAQI

25°C23/27°C

19th Jul 2026365 AMAQI
19th Jul 2026256 AMAQI
19th Jul 2026317 AMAQI
19th Jul 2026338 AMAQI
19th Jul 2026409 AMAQI
19th Jul 20263610 AMAQI
19th Jul 20263111 AMAQI
19th Jul 20262712 PMAQI
19th Jul 2026251 PMAQI
19th Jul 2026252 PMAQI
19th Jul 2026233 PMAQI
19th Jul 2026214 PMAQI
19th Jul 2026215 PMAQI
19th Jul 2026276 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026298 PMAQI
19th Jul 2026319 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262512 AMAQI
20th Jul 2026251 AMAQI
20th Jul 2026252 AMAQI
20th Jul 2026313 AMAQI
20th Jul 2026384 AMAQI

25°C24/27°C

20th Jul 2026335 AMAQI
20th Jul 2026336 AMAQI
20th Jul 2026367 AMAQI
20th Jul 2026388 AMAQI
20th Jul 2026389 AMAQI
20th Jul 20263810 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20262512 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026232 PMAQI
20th Jul 2026233 PMAQI
20th Jul 2026254 PMAQI
20th Jul 2026295 PMAQI
20th Jul 2026346 PMAQI
20th Jul 2026387 PMAQI
20th Jul 2026338 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20262510 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20262912 AMAQI
21st Jul 2026291 AMAQI
21st Jul 2026292 AMAQI
21st Jul 2026273 AMAQI
21st Jul 2026254 AMAQI

25°C20/30°C

21st Jul 2026295 AMAQI
21st Jul 2026256 AMAQI
21st Jul 2026237 AMAQI
21st Jul 2026238 AMAQI
21st Jul 2026219 AMAQI
21st Jul 20262110 AMAQI
21st Jul 20262311 AMAQI
21st Jul 2026251 PMAQI
21st Jul 2026232 PMAQI
21st Jul 2026253 PMAQI
21st Jul 2026314 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026386 PMAQI
21st Jul 2026807 PMAQI
21st Jul 2026318 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20263110 PMAQI
21st Jul 20263611 PMAQI
22nd Jul 20263312 AMAQI
22nd Jul 2026311 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026404 AMAQI

25°C22/29°C

22nd Jul 2026425 AMAQI
22nd Jul 2026406 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20262310 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026481 PMAQI
22nd Jul 2026442 PMAQI
22nd Jul 2026463 PMAQI
22nd Jul 2026484 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026426 PMAQI
22nd Jul 2026387 PMAQI
22nd Jul 2026368 PMAQI
22nd Jul 2026279 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20262711 PMAQI
23rd Jul 20262112 AMAQI
23rd Jul 2026211 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026254 AMAQI

27°C23/31°C

23rd Jul 2026275 AMAQI
23rd Jul 2026276 AMAQI
23rd Jul 2026277 AMAQI
23rd Jul 2026218 AMAQI
23rd Jul 2026239 AMAQI
23rd Jul 20262710 AMAQI
23rd Jul 20263111 AMAQI
23rd Jul 20263312 PMAQI
23rd Jul 2026291 PMAQI
23rd Jul 2026332 PMAQI
23rd Jul 2026483 PMAQI
23rd Jul 2026464 PMAQI
23rd Jul 2026465 PMAQI
23rd Jul 2026426 PMAQI
23rd Jul 2026427 PMAQI
23rd Jul 2026448 PMAQI
23rd Jul 2026479 PMAQI
23rd Jul 20265010 PMAQI
23rd Jul 20264211 PMAQI
24th Jul 20263812 AMAQI
24th Jul 2026331 AMAQI
24th Jul 2026362 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026514 AMAQI

26°C22/31°C

24th Jul 2026495 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026408 AMAQI
24th Jul 2026469 AMAQI
24th Jul 20264810 AMAQI
24th Jul 20264411 AMAQI
24th Jul 20264012 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026342 PMAQI
24th Jul 2026313 PMAQI
24th Jul 2026404 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026256 PMAQI
24th Jul 2026237 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262710 PMAQI
24th Jul 20262911 PMAQI
25th Jul 20262512 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026252 AMAQI
25th Jul 2026273 AMAQI
25th Jul 2026254 AMAQI

27°C22/33°C

25th Jul 2026255 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026217 AMAQI
25th Jul 2026218 AMAQI
25th Jul 2026279 AMAQI
25th Jul 20262710 AMAQI
25th Jul 20262711 AMAQI
25th Jul 20262512 PMAQI
25th Jul 2026331 PMAQI
25th Jul 2026332 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026214 PMAQI
25th Jul 2026215 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026217 PMAQI
25th Jul 2026218 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262312 AMAQI
26th Jul 2026291 AMAQI
26th Jul 2026292 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026234 AMAQI

27°C23/31°C

26th Jul 2026235 AMAQI
26th Jul 2026236 AMAQI
26th Jul 2026297 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20263310 AMAQI
26th Jul 20263111 AMAQI
26th Jul 20262512 PMAQI
26th Jul 2026251 PMAQI
26th Jul 2026322 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026215 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026217 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026259 PMAQI
26th Jul 20262110 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262512 AMAQI
27th Jul 2026271 AMAQI
27th Jul 2026272 AMAQI
27th Jul 2026213 AMAQI
27th Jul 2026234 AMAQI

27°C23/33°C

27th Jul 2026275 AMAQI
27th Jul 2026236 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026218 AMAQI
27th Jul 2026219 AMAQI
27th Jul 20264210 AMAQI
27th Jul 20264411 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026461 PMAQI
27th Jul 2026402 PMAQI
27th Jul 2026423 PMAQI
27th Jul 2026424 PMAQI
27th Jul 2026275 PMAQI
27th Jul 2026216 PMAQI
27th Jul 2026337 PMAQI
27th Jul 2026218 PMAQI
27th Jul 2026219 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026271 AMAQI
28th Jul 2026272 AMAQI
28th Jul 2026333 AMAQI
28th Jul 2026254 AMAQI

27°C24/33°C

28th Jul 2026255 AMAQI
28th Jul 2026366 AMAQI
28th Jul 2026317 AMAQI
28th Jul 2026318 AMAQI
28th Jul 2026259 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20264811 AMAQI
28th Jul 20265112 PMAQI
28th Jul 2026561 PMAQI
28th Jul 2026562 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026554 PMAQI
28th Jul 2026635 PMAQI
28th Jul 2026566 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026548 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20265110 PMAQI
28th Jul 20264411 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026332 AMAQI
29th Jul 2026333 AMAQI
29th Jul 2026334 AMAQI

27°C23/32°C

29th Jul 2026295 AMAQI
29th Jul 2026316 AMAQI
29th Jul 2026277 AMAQI
29th Jul 2026278 AMAQI
29th Jul 2026239 AMAQI
29th Jul 20262110 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262312 PMAQI
29th Jul 2026251 PMAQI
29th Jul 2026292 PMAQI
29th Jul 2026273 PMAQI
29th Jul 2026274 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026237 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026231 AMAQI
30th Jul 2026232 AMAQI
30th Jul 2026253 AMAQI
30th Jul 2026234 AMAQI

26°C22/32°C

30th Jul 2026215 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026218 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262110 AMAQI
30th Jul 20262111 AMAQI
30th Jul 20262312 PMAQI
30th Jul 2026231 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026293 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026255 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026258 PMAQI
30th Jul 2026329 PMAQI
30th Jul 20262910 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20262112 AMAQI
31st Jul 2026211 AMAQI
31st Jul 2026272 AMAQI
31st Jul 2026383 AMAQI
31st Jul 2026254 AMAQI

26°C22/32°C

31st Jul 2026235 AMAQI
31st Jul 2026236 AMAQI
31st Jul 2026277 AMAQI
31st Jul 2026258 AMAQI
31st Jul 2026279 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20264411 AMAQI
31st Jul 20265012 PMAQI
31st Jul 2026501 PMAQI
31st Jul 2026382 PMAQI
31st Jul 2026363 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026315 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026508 PMAQI
31st Jul 2026469 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20265011 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026481 AMAQI
1st Aug 2026512 AMAQI
1st Aug 2026523 AMAQI
1st Aug 2026514 AMAQI

26°C20/33°C

1st Aug 2026525 AMAQI
1st Aug 2026526 AMAQI
1st Aug 2026557 AMAQI
1st Aug 2026568 AMAQI
1st Aug 2026599 AMAQI
1st Aug 20266410 AMAQI
1st Aug 20266011 AMAQI
1st Aug 20266412 PMAQI
1st Aug 2026631 PMAQI
1st Aug 2026562 PMAQI
1st Aug 2026543 PMAQI
1st Aug 2026514 PMAQI
1st Aug 2026535 PMAQI
1st Aug 2026496 PMAQI
1st Aug 2026557 PMAQI
1st Aug 2026558 PMAQI
1st Aug 2026519 PMAQI
1st Aug 20265510 PMAQI
1st Aug 20265511 PMAQI
2nd Aug 20265612 AMAQI
2nd Aug 2026601 AMAQI
2nd Aug 2026592 AMAQI
2nd Aug 2026593 AMAQI
2nd Aug 2026604 AMAQI

28°C24/34°C

2nd Aug 2026635 AMAQI
2nd Aug 2026606 AMAQI
2nd Aug 2026577 AMAQI
2nd Aug 2026558 AMAQI
2nd Aug 2026629 AMAQI
2nd Aug 20266310 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20265312 PMAQI
2nd Aug 2026561 PMAQI
2nd Aug 2026602 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026445 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026487 PMAQI
2nd Aug 2026488 PMAQI
2nd Aug 2026489 PMAQI
2nd Aug 20265310 PMAQI
2nd Aug 20265011 PMAQI
3rd Aug 20263812 AMAQI
3rd Aug 2026381 AMAQI
3rd Aug 2026382 AMAQI
3rd Aug 2026423 AMAQI
3rd Aug 2026464 AMAQI

27°C23/34°C

3rd Aug 2026485 AMAQI
3rd Aug 2026446 AMAQI
3rd Aug 2026447 AMAQI
3rd Aug 2026468 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20264611 AMAQI
3rd Aug 20265512 PMAQI
3rd Aug 2026601 PMAQI
3rd Aug 2026592 PMAQI
3rd Aug 2026533 PMAQI
3rd Aug 2026504 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026466 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026448 PMAQI
3rd Aug 2026469 PMAQI
3rd Aug 20265410 PMAQI
3rd Aug 20265611 PMAQI
4th Aug 20266612 AMAQI
4th Aug 2026701 AMAQI
4th Aug 2026702 AMAQI
4th Aug 2026713 AMAQI
4th Aug 2026764 AMAQI

28°C21/36°C

4th Aug 2026765 AMAQI
4th Aug 2026756 AMAQI
4th Aug 2026737 AMAQI
4th Aug 2026678 AMAQI
4th Aug 2026649 AMAQI
4th Aug 20266410 AMAQI
4th Aug 20265911 AMAQI
4th Aug 20265812 PMAQI
4th Aug 2026571 PMAQI
4th Aug 2026562 PMAQI
4th Aug 2026563 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026555 PMAQI
4th Aug 2026516 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026328 PMAQI
4th Aug 2026429 PMAQI
4th Aug 20264510 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20262312 AMAQI
5th Aug 2026211 AMAQI
5th Aug 2026192 AMAQI
5th Aug 2026213 AMAQI
5th Aug 2026274 AMAQI

28°C24/36°C

5th Aug 2026175 AMAQI
5th Aug 2026216 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026368 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20261910 AMAQI
5th Aug 20261911 AMAQI
5th Aug 20262112 PMAQI
5th Aug 2026251 PMAQI
5th Aug 2026192 PMAQI
5th Aug 2026213 PMAQI
5th Aug 2026174 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026216 PMAQI
5th Aug 2026147 PMAQI
5th Aug 2026178 PMAQI
5th Aug 2026179 PMAQI
5th Aug 20262110 PMAQI
5th Aug 20261411 PMAQI
6th Aug 20262312 AMAQI
6th Aug 2026251 AMAQI
6th Aug 2026362 AMAQI
6th Aug 2026383 AMAQI
6th Aug 2026294 AMAQI

28°C23/35°C

6th Aug 2026215 AMAQI
6th Aug 2026216 AMAQI
6th Aug 2026217 AMAQI
6th Aug 2026258 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262110 AMAQI
6th Aug 20262711 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026252 PMAQI
6th Aug 2026253 PMAQI
6th Aug 2026254 PMAQI
6th Aug 2026235 PMAQI
6th Aug 2026236 PMAQI
6th Aug 2026217 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026259 PMAQI
6th Aug 20262310 PMAQI
6th Aug 20262111 PMAQI
7th Aug 20262312 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026272 AMAQI
7th Aug 2026313 AMAQI
7th Aug 2026364 AMAQI

28°C22/35°C

7th Aug 2026325 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026238 AMAQI
7th Aug 2026299 AMAQI
7th Aug 20262710 AMAQI
7th Aug 20262511 AMAQI
7th Aug 20262912 PMAQI
7th Aug 2026491 PMAQI
7th Aug 2026232 PMAQI
7th Aug 2026213 PMAQI
7th Aug 2026214 PMAQI
7th Aug 2026255 PMAQI
7th Aug 2026276 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026258 PMAQI
7th Aug 2026279 PMAQI
7th Aug 20262510 PMAQI
7th Aug 20264411 PMAQI
8th Aug 20265212 AMAQI
8th Aug 2026571 AMAQI
8th Aug 2026562 AMAQI
8th Aug 2026483 AMAQI
8th Aug 2026514 AMAQI

28°C21/36°C

8th Aug 2026425 AMAQI
8th Aug 2026216 AMAQI
8th Aug 2026307 AMAQI
8th Aug 2026328 AMAQI
8th Aug 2026259 AMAQI
8th Aug 20262710 AMAQI
8th Aug 20262911 AMAQI
8th Aug 20262112 PMAQI
8th Aug 2026321 PMAQI
8th Aug 2026302 PMAQI
8th Aug 2026213 PMAQI
8th Aug 2026334 PMAQI
8th Aug 2026315 PMAQI
8th Aug 2026296 PMAQI
8th Aug 2026297 PMAQI
8th Aug 2026338 PMAQI
8th Aug 2026299 PMAQI
8th Aug 20262510 PMAQI
8th Aug 20262911 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026251 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026313 AMAQI
9th Aug 2026314 AMAQI

28°C23/35°C

9th Aug 2026215 AMAQI
9th Aug 2026216 AMAQI
9th Aug 2026277 AMAQI
9th Aug 2026318 AMAQI
9th Aug 2026259 AMAQI
9th Aug 20262510 AMAQI
9th Aug 20262511 AMAQI
9th Aug 20262712 PMAQI
9th Aug 2026211 PMAQI
9th Aug 2026272 PMAQI
9th Aug 2026253 PMAQI
9th Aug 2026214 PMAQI
9th Aug 2026255 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026257 PMAQI
9th Aug 2026148 PMAQI
9th Aug 2026179 PMAQI
9th Aug 20261410 PMAQI
9th Aug 20261211 PMAQI
10th Aug 20261912 AMAQI
10th Aug 2026191 AMAQI
10th Aug 2026192 AMAQI
10th Aug 2026143 AMAQI
10th Aug 2026234 AMAQI

26°C21/31°C

10th Aug 2026215 AMAQI
10th Aug 2026236 AMAQI
10th Aug 2026237 AMAQI
10th Aug 2026258 AMAQI
10th Aug 2026259 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262512 PMAQI
10th Aug 2026141 PMAQI
10th Aug 202682 PMAQI
10th Aug 2026233 PMAQI
10th Aug 2026184 PMAQI
10th Aug 202685 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026217 PMAQI
10th Aug 2026258 PMAQI
10th Aug 2026239 PMAQI
10th Aug 20262510 PMAQI
10th Aug 20262511 PMAQI
11th Aug 20262912 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026272 AMAQI
11th Aug 2026253 AMAQI
11th Aug 2026254 AMAQI

26°C22/31°C

11th Aug 2026255 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026298 AMAQI
11th Aug 2026319 AMAQI
11th Aug 20262510 AMAQI
11th Aug 20262511 AMAQI
11th Aug 20262912 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026252 PMAQI
11th Aug 2026213 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026215 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026217 PMAQI
11th Aug 2026258 PMAQI
11th Aug 2026279 PMAQI
11th Aug 20262510 PMAQI
11th Aug 20262511 PMAQI
12th Aug 20262512 AMAQI
12th Aug 2026271 AMAQI
12th Aug 2026212 AMAQI
12th Aug 2026213 AMAQI
12th Aug 2026254 AMAQI

24°C19/32°C

12th Aug 2026235 AMAQI
12th Aug 2026256 AMAQI
12th Aug 2026277 AMAQI
12th Aug 2026278 AMAQI
12th Aug 2026219 AMAQI
12th Aug 20262510 AMAQI
12th Aug 20263111 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026231 PMAQI
12th Aug 2026312 PMAQI
12th Aug 2026313 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026255 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026257 PMAQI
12th Aug 2026298 PMAQI
12th Aug 2026299 PMAQI
12th Aug 20263610 PMAQI
12th Aug 20262111 PMAQI
13th Aug 20261912 AMAQI
13th Aug 2026211 AMAQI
13th Aug 2026192 AMAQI
13th Aug 2026293 AMAQI
13th Aug 2026234 AMAQI

22°C14/30°C

13th Aug 2026255 AMAQI
13th Aug 2026236 AMAQI
13th Aug 2026217 AMAQI
13th Aug 2026258 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20264010 AMAQI
13th Aug 20262911 AMAQI
13th Aug 20263412 PMAQI
13th Aug 2026331 PMAQI
13th Aug 2026212 PMAQI
13th Aug 2026233 PMAQI
13th Aug 2026214 PMAQI
13th Aug 2026215 PMAQI
13th Aug 2026236 PMAQI
13th Aug 2026257 PMAQI
13th Aug 2026278 PMAQI
13th Aug 2026299 PMAQI
13th Aug 20262110 PMAQI
13th Aug 20262511 PMAQI
14th Aug 20262512 AMAQI
14th Aug 2026461 AMAQI
14th Aug 2026422 AMAQI
14th Aug 2026403 AMAQI
14th Aug 2026294 AMAQI

24°C17/30°C

14th Aug 2026275 AMAQI
14th Aug 2026216 AMAQI
14th Aug 2026257 AMAQI
14th Aug 2026238 AMAQI
14th Aug 2026239 AMAQI
14th Aug 20263310 AMAQI
14th Aug 20264211 AMAQI
14th Aug 20263412 PMAQI
14th Aug 2026311 PMAQI
14th Aug 2026272 PMAQI
14th Aug 2026253 PMAQI
14th Aug 2026254 PMAQI
14th Aug 2026235 PMAQI
14th Aug 2026216 PMAQI
14th Aug 2026277 PMAQI
14th Aug 2026218 PMAQI
14th Aug 2026389 PMAQI
14th Aug 20263610 PMAQI
14th Aug 20263311 PMAQI
15th Aug 20264212 AMAQI
15th Aug 2026541 AMAQI
15th Aug 2026552 AMAQI
15th Aug 2026553 AMAQI
15th Aug 2026514 AMAQI

24°C19/30°C

15th Aug 2026555 AMAQI
15th Aug 2026536 AMAQI
15th Aug 2026507 AMAQI
15th Aug 2026488 AMAQI
15th Aug 2026449 AMAQI
15th Aug 20264610 AMAQI
15th Aug 20264411 AMAQI
15th Aug 20263312 PMAQI
15th Aug 2026361 PMAQI
15th Aug 2026382 PMAQI
15th Aug 2026423 PMAQI
15th Aug 2026384 PMAQI
15th Aug 2026365 PMAQI
15th Aug 2026406 PMAQI
15th Aug 2026427 PMAQI
15th Aug 2026388 PMAQI
15th Aug 2026409 PMAQI
15th Aug 20264210 PMAQI
15th Aug 20265011 PMAQI
16th Aug 20265112 AMAQI
16th Aug 2026511 AMAQI
16th Aug 2026482 AMAQI
16th Aug 2026503 AMAQI
16th Aug 2026444 AMAQI

25°C21/31°C

16th Aug 2026335 AMAQI
5 AM
16th Aug 2026366 AMAQI
16th Aug 2026337 AMAQI
16th Aug 2026278 AMAQI
16th Aug 2026279 AMAQI
16th Aug 20262710 AMAQI
16th Aug 20262911 AMAQI
16th Aug 20262712 PMAQI
12 PM
16th Aug 2026271 PMAQI
16th Aug 2026312 PMAQI
16th Aug 2026313 PMAQI
16th Aug 2026294 PMAQI
16th Aug 2026315 PMAQI
16th Aug 2026336 PMAQI
16th Aug 2026237 PMAQI
7 PM
16th Aug 2026258 PMAQI
16th Aug 2026259 PMAQI
16th Aug 20262110 PMAQI
16th Aug 20262111 PMAQI
12 AM
4 AM

23°C22/24°C

Day time
Avg. Highest Time
10 AM - 1 PM

35AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
6 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 1 PM (Avg. 35), while the lowest AQI was between 6 AM to 6 AM (Avg. 31).
Night time
Avg. Highest Time
1 AM - 4 AM

35AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 4 AM (Avg. 35), while the lowest AQI was between 8 PM to 8 PM (Avg. 31).

2026 Days Vs Air Quality

Sannam Dong, Cheongju, Chungbuk, South Korea

2026

55%

123

38%

84

7%

16

0.4%

1

Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)

Good
123 Days
Moderate
84 Days
Poor
16 Days
Unhealthy
1 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 55%

Health Risk Level:

Considerable

In 2026, 55% of 228 days were within WHO’s safe air quality limits, and 45% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.

Annual Air Quality Insights

Sannam Dong, Cheongju, 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
33AQI (US)
2nd January 2026
41AQI (US)
3rd January 2026
62AQI (US)
4th January 2026
86AQI (US)
5th January 2026
67AQI (US)
6th January 2026
53AQI (US)
7th January 2026
62AQI (US)
8th January 2026
30AQI (US)
9th January 2026
47AQI (US)
10th January 2026
62AQI (US)
11th January 2026
28AQI (US)
12th January 2026
48AQI (US)
13th January 2026
48AQI (US)
14th January 2026
34AQI (US)
15th January 2026
92AQI (US)
16th January 2026
153AQI (US)
17th January 2026
130AQI (US)
18th January 2026
119AQI (US)
19th January 2026
74AQI (US)
20th January 2026
38AQI (US)
21st January 2026
46AQI (US)
22nd January 2026
32AQI (US)
23rd January 2026
66AQI (US)
24th January 2026
56AQI (US)
25th January 2026
29AQI (US)
26th January 2026
57AQI (US)
27th January 2026
59AQI (US)
28th January 2026
39AQI (US)
29th January 2026
52AQI (US)
30th January 2026
48AQI (US)
31st January 2026
74AQI (US)
1st February 2026
74AQI (US)
2nd February 2026
66AQI (US)
3rd February 2026
63AQI (US)
4th February 2026
109AQI (US)
5th February 2026
127AQI (US)
6th February 2026
70AQI (US)
7th February 2026
46AQI (US)
8th February 2026
46AQI (US)
9th February 2026
50AQI (US)
10th February 2026
76AQI (US)
11th February 2026
107AQI (US)
12th February 2026
123AQI (US)
13th February 2026
124AQI (US)
14th February 2026
143AQI (US)
15th February 2026
114AQI (US)
16th February 2026
45AQI (US)
17th February 2026
61AQI (US)
18th February 2026
48AQI (US)
19th February 2026
37AQI (US)
20th February 2026
75AQI (US)
21st February 2026
99AQI (US)
22nd February 2026
57AQI (US)
23rd February 2026
26AQI (US)
24th February 2026
45AQI (US)
25th February 2026
56AQI (US)
26th February 2026
29AQI (US)
27th February 2026
20AQI (US)
28th February 2026
44AQI (US)
1st March 2026
29AQI (US)
2nd March 2026
44AQI (US)
3rd March 2026
36AQI (US)
4th March 2026
51AQI (US)
5th March 2026
70AQI (US)
6th March 2026
65AQI (US)
7th March 2026
51AQI (US)
8th March 2026
56AQI (US)
9th March 2026
77AQI (US)
10th March 2026
120AQI (US)
11th March 2026
95AQI (US)
12th March 2026
101AQI (US)
13th March 2026
36AQI (US)
14th March 2026
42AQI (US)
15th March 2026
81AQI (US)
16th March 2026
125AQI (US)
17th March 2026
113AQI (US)
18th March 2026
128AQI (US)
19th March 2026
70AQI (US)
20th March 2026
55AQI (US)
21st March 2026
90AQI (US)
22nd March 2026
84AQI (US)
23rd March 2026
85AQI (US)
24th March 2026
100AQI (US)
25th March 2026
81AQI (US)
26th March 2026
83AQI (US)
27th March 2026
112AQI (US)
28th March 2026
93AQI (US)
29th March 2026
76AQI (US)
30th March 2026
92AQI (US)
31st March 2026
43AQI (US)
1st April 2026
42AQI (US)
2nd April 2026
69AQI (US)
3rd April 2026
101AQI (US)
4th April 2026
36AQI (US)
5th April 2026
55AQI (US)
6th April 2026
52AQI (US)
7th April 2026
24AQI (US)
8th April 2026
32AQI (US)
9th April 2026
54AQI (US)
10th April 2026
31AQI (US)
11th April 2026
59AQI (US)
12th April 2026
67AQI (US)
13th April 2026
57AQI (US)
14th April 2026
38AQI (US)
15th April 2026
49AQI (US)
16th April 2026
45AQI (US)
17th April 2026
18th April 2026
55AQI (US)
19th April 2026
52AQI (US)
20th April 2026
64AQI (US)
21st April 2026
62AQI (US)
22nd April 2026
23rd April 2026
48AQI (US)
24th April 2026
33AQI (US)
25th April 2026
51AQI (US)
26th April 2026
55AQI (US)
27th April 2026
51AQI (US)
28th April 2026
42AQI (US)
29th April 2026
40AQI (US)
30th April 2026
55AQI (US)
1st May 2026
43AQI (US)
2nd May 2026
72AQI (US)
3rd May 2026
55AQI (US)
4th May 2026
27AQI (US)
5th May 2026
37AQI (US)
6th May 2026
35AQI (US)
7th May 2026
39AQI (US)
8th May 2026
34AQI (US)
9th May 2026
10th May 2026
32AQI (US)
11th May 2026
33AQI (US)
12th May 2026
43AQI (US)
13th May 2026
63AQI (US)
14th May 2026
48AQI (US)
15th May 2026
29AQI (US)
16th May 2026
77AQI (US)
17th May 2026
65AQI (US)
18th May 2026
56AQI (US)
19th May 2026
52AQI (US)
20th May 2026
64AQI (US)
21st May 2026
66AQI (US)
22nd May 2026
75AQI (US)
23rd May 2026
70AQI (US)
24th May 2026
70AQI (US)
25th May 2026
64AQI (US)
26th May 2026
49AQI (US)
27th May 2026
25AQI (US)
28th May 2026
25AQI (US)
29th May 2026
59AQI (US)
30th May 2026
41AQI (US)
31st May 2026
45AQI (US)
1st June 2026
52AQI (US)
2nd June 2026
57AQI (US)
3rd June 2026
66AQI (US)
4th June 2026
56AQI (US)
5th June 2026
28AQI (US)
6th June 2026
32AQI (US)
7th June 2026
22AQI (US)
8th June 2026
47AQI (US)
9th June 2026
48AQI (US)
10th June 2026
33AQI (US)
11th June 2026
26AQI (US)
12th June 2026
27AQI (US)
13th June 2026
26AQI (US)
14th June 2026
48AQI (US)
15th June 2026
46AQI (US)
16th June 2026
29AQI (US)
17th June 2026
26AQI (US)
18th June 2026
61AQI (US)
19th June 2026
59AQI (US)
20th June 2026
18AQI (US)
21st June 2026
15AQI (US)
22nd June 2026
21AQI (US)
23rd June 2026
23AQI (US)
24th June 2026
20AQI (US)
25th June 2026
26AQI (US)
26th June 2026
29AQI (US)
27th June 2026
44AQI (US)
28th June 2026
56AQI (US)
29th June 2026
50AQI (US)
30th June 2026
40AQI (US)
1st July 2026
29AQI (US)
2nd July 2026
30AQI (US)
3rd July 2026
30AQI (US)
4th July 2026
47AQI (US)
5th July 2026
32AQI (US)
6th July 2026
26AQI (US)
7th July 2026
36AQI (US)
8th July 2026
31AQI (US)
9th July 2026
13AQI (US)
10th July 2026
32AQI (US)
11th July 2026
32AQI (US)
12th July 2026
35AQI (US)
13th July 2026
27AQI (US)
14th July 2026
26AQI (US)
15th July 2026
25AQI (US)
16th July 2026
57AQI (US)
17th July 2026
56AQI (US)
18th July 2026
35AQI (US)
19th July 2026
31AQI (US)
20th July 2026
30AQI (US)
21st July 2026
30AQI (US)
22nd July 2026
36AQI (US)
23rd July 2026
34AQI (US)
24th July 2026
36AQI (US)
25th July 2026
25AQI (US)
26th July 2026
26AQI (US)
27th July 2026
30AQI (US)
28th July 2026
42AQI (US)
29th July 2026
27AQI (US)
30th July 2026
24AQI (US)
31st July 2026
36AQI (US)
1st August 2026
55AQI (US)
2nd August 2026
55AQI (US)
3rd August 2026
47AQI (US)
4th August 2026
59AQI (US)
5th August 2026
21AQI (US)
6th August 2026
25AQI (US)
7th August 2026
28AQI (US)
8th August 2026
34AQI (US)
9th August 2026
23AQI (US)
10th August 2026
21AQI (US)
11th August 2026
26AQI (US)
12th August 2026
26AQI (US)
13th August 2026
25AQI (US)
14th August 2026
30AQI (US)
15th August 2026
45AQI (US)
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

60AQI (US)

71AQI (US)

77AQI (US)

51AQI (US)

50AQI (US)

38AQI (US)

32AQI (US)

35AQI (US)

No. of days

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

202653AQI (US)

14
14
2
1
11
10
7
6
19
6
12
15
1
16
14
23
7
29
2
12
3
123
84
16
1

Highest AQI (US) recorded in

March

77AQI (US)

Lowest AQI (US) recorded in

July

32AQI (US)

202560AQI (US)

1
25
5
2
25
1
2
23
6
6
24
12
19
9
21
18
13
25
6
28
2
17
14
5
21
4
6
24
1
131
217
17

Highest AQI (US) recorded in

January

81AQI (US)

Lowest AQI (US) recorded in

September

40AQI (US)

202458AQI (US)

9
15
7
12
13
4
8
21
2
8
19
3
10
20
1
7
23
27
4
16
15
23
7
17
14
7
22
1
2
29
146
202
18

Highest AQI (US) recorded in

January

77AQI (US)

Lowest AQI (US) recorded in

July

35AQI (US)

202364AQI (US)

5
18
5
2
1
16
7
4
3
19
9
9
16
4
1
7
23
1
6
24
18
12
1
17
14
18
12
13
17
1
10
18
1
11
13
6
1
118
202
35
8

Highest AQI (US) recorded in

February

95AQI (US)

Lowest AQI (US) recorded in

September

41AQI (US)

202276AQI (US)

18
9
2
14
4
3
3
15
13
3
11
3
3
27
1
13
16
1
8
13
1
16
6
3
11
18
2
2
19
8
1
3
21
6
1
63
178
50
7

Highest AQI (US) recorded in

January

97AQI (US)

Lowest AQI (US) recorded in

August

50AQI (US)

202168AQI (US)

8
16
6
7
11
10
6
14
10
1
7
21
2
10
17
2
1
1
5
21
4
27
4
24
7
27
3
9
17
5
5
15
8
2
3
14
13
1
138
160
60
4
1
1

Highest AQI (US) recorded in

December

90AQI (US)

Lowest AQI (US) recorded in

September

37AQI (US)

202065AQI (US)

4
7
2
6
14
1
2
12
4
5
20
5
23
8
24
7
17
12
1
6
21
4
4
16
9
1
7
13
10
1
98
130
36
2

Highest AQI (US) recorded in

November

83AQI (US)

Lowest AQI (US) recorded in

August

39AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2022(Avg.)
76AQI (US)
Least Polluted Year Recorded
2026(Avg.)
53AQI (US)

Sannam Dong's annual 2026 AQI (US) (53) shows an average percentage change of -18.04% (improved AQI (US)) compared to previous years: 2020 (65), 2021 (68), 2022 (76), 2023 (64), 2024 (58), 2025 (60).