Boeun Eup, 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
Boeun Eup, Cheongju, Chungbuk, South Korea
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
2nd Aug 2023
76AQILowest AQI recorded on
21st Aug 2024
22AQISame Day Analysis (2nd August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 67 of Moderate air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 1st Aug - 2nd Aug 2026
Boeun Eup, Cheongju, Chungbuk, South Korea
AQI
Day
Night
.
5 AM1st Aug 2026
7 PM
4 AM2nd Aug 2026
Day time
Avg. Highest Time
2PM1st Aug
74AQI
Avg. Lowest Time
5AM1st Aug
46AQI
Night time
Avg. Highest Time
3AM2nd Aug
64AQI
Avg. Lowest Time
4AM2nd Aug
53AQI
In the last 24 hours,
Boeun Eup's AQI reached its highest point of 74 at 2 PM during the Day, while the lowest point, 46, was recorded at 5 AM during the Day between 1st Aug and 2nd Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Boeun Eup, Cheongju, Chungbuk, South Korea
JulAug
04th - 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 - 01st01st - 02nd02nd
Day
Night
4th Jul 2026265 AMAQI
4th Jul 2026266 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026268 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262610 AMAQI
4th Jul 20264611 AMAQI
4th Jul 20266312 PMAQI
4th Jul 2026681 PMAQI
4th Jul 2026622 PMAQI
4th Jul 2026623 PMAQI
4th Jul 2026584 PMAQI
4th Jul 2026385 PMAQI
4th Jul 2026186 PMAQI
4th Jul 2026187 PMAQI
4th Jul 2026278 PMAQI
4th Jul 2026469 PMAQI
4th Jul 20264910 PMAQI
4th Jul 20265811 PMAQI
5th Jul 20266712 AMAQI
5th Jul 2026651 AMAQI
5th Jul 2026632 AMAQI
5th Jul 2026603 AMAQI
5th Jul 2026574 AMAQI
24°C19/30°C
5th Jul 2026545 AMAQI
5th Jul 2026566 AMAQI
5th Jul 2026587 AMAQI
5th Jul 2026538 AMAQI
5th Jul 2026389 AMAQI
5th Jul 20262510 AMAQI
5th Jul 20261611 AMAQI
5th Jul 20261212 PMAQI
5th Jul 2026121 PMAQI
5th Jul 2026122 PMAQI
5th Jul 2026173 PMAQI
5th Jul 2026214 PMAQI
5th Jul 2026295 PMAQI
5th Jul 2026296 PMAQI
5th Jul 2026297 PMAQI
5th Jul 2026298 PMAQI
5th Jul 2026319 PMAQI
5th Jul 20264410 PMAQI
5th Jul 20264011 PMAQI
6th Jul 20262712 AMAQI
6th Jul 2026341 AMAQI
6th Jul 2026212 AMAQI
6th Jul 2026203 AMAQI
6th Jul 2026174 AMAQI
23°C20/26°C
6th Jul 2026215 AMAQI
6th Jul 2026256 AMAQI
6th Jul 2026367 AMAQI
6th Jul 2026428 AMAQI
6th Jul 2026339 AMAQI
6th Jul 20263810 AMAQI
6th Jul 20262911 AMAQI
6th Jul 20264012 PMAQI
6th Jul 2026251 PMAQI
6th Jul 2026142 PMAQI
6th Jul 2026103 PMAQI
6th Jul 2026104 PMAQI
6th Jul 202645 PMAQI
6th Jul 202686 PMAQI
6th Jul 2026147 PMAQI
6th Jul 2026188 PMAQI
6th Jul 2026339 PMAQI
6th Jul 20263610 PMAQI
6th Jul 20263611 PMAQI
7th Jul 20263612 AMAQI
7th Jul 2026451 AMAQI
7th Jul 2026552 AMAQI
7th Jul 2026553 AMAQI
7th Jul 2026664 AMAQI
25°C21/30°C
7th Jul 2026525 AMAQI
7th Jul 2026386 AMAQI
7th Jul 2026317 AMAQI
7th Jul 2026408 AMAQI
7th Jul 2026369 AMAQI
7th Jul 20262310 AMAQI
7th Jul 20262211 AMAQI
7th Jul 20262012 PMAQI
7th Jul 2026141 PMAQI
7th Jul 202682 PMAQI
7th Jul 202663 PMAQI
7th Jul 202684 PMAQI
7th Jul 202685 PMAQI
7th Jul 2026166 PMAQI
7th Jul 2026217 PMAQI
7th Jul 2026428 PMAQI
7th Jul 2026339 PMAQI
7th Jul 20263310 PMAQI
7th Jul 20265111 PMAQI
8th Jul 20265512 AMAQI
8th Jul 2026621 AMAQI
8th Jul 2026642 AMAQI
8th Jul 2026623 AMAQI
8th Jul 2026564 AMAQI
26°C22/33°C
8th Jul 2026405 AMAQI
8th Jul 2026386 AMAQI
8th Jul 2026257 AMAQI
8th Jul 2026328 AMAQI
8th Jul 2026659 AMAQI
8th Jul 20265010 AMAQI
8th Jul 20262311 AMAQI
8th Jul 20263612 PMAQI
8th Jul 2026381 PMAQI
8th Jul 2026272 PMAQI
8th Jul 2026273 PMAQI
8th Jul 2026214 PMAQI
8th Jul 2026235 PMAQI
8th Jul 2026176 PMAQI
8th Jul 2026177 PMAQI
8th Jul 2026128 PMAQI
8th Jul 2026179 PMAQI
8th Jul 20261710 PMAQI
8th Jul 20261711 PMAQI
9th Jul 20263112 AMAQI
9th Jul 2026311 AMAQI
9th Jul 2026272 AMAQI
9th Jul 2026253 AMAQI
9th Jul 2026364 AMAQI
24°C22/26°C
9th Jul 2026345 AMAQI
9th Jul 2026296 AMAQI
9th Jul 2026257 AMAQI
9th Jul 2026258 AMAQI
9th Jul 2026239 AMAQI
9th Jul 20261610 AMAQI
9th Jul 20262111 AMAQI
9th Jul 20262112 PMAQI
9th Jul 2026231 PMAQI
9th Jul 2026212 PMAQI
9th Jul 2026213 PMAQI
9th Jul 2026194 PMAQI
9th Jul 2026105 PMAQI
9th Jul 2026126 PMAQI
9th Jul 2026147 PMAQI
9th Jul 2026178 PMAQI
9th Jul 2026149 PMAQI
9th Jul 20261710 PMAQI
9th Jul 20262111 PMAQI
10th Jul 20261412 AMAQI
10th Jul 2026141 AMAQI
10th Jul 2026202 AMAQI
10th Jul 2026303 AMAQI
10th Jul 2026244 AMAQI
23°C22/26°C
10th Jul 2026275 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026187 AMAQI
10th Jul 2026218 AMAQI
10th Jul 2026289 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20262911 AMAQI
10th Jul 20262612 PMAQI
10th Jul 2026261 PMAQI
10th Jul 2026242 PMAQI
10th Jul 2026223 PMAQI
10th Jul 2026244 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026216 PMAQI
10th Jul 2026207 PMAQI
10th Jul 2026188 PMAQI
10th Jul 2026199 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263311 PMAQI
11th Jul 20263212 AMAQI
11th Jul 2026321 AMAQI
11th Jul 2026302 AMAQI
11th Jul 2026303 AMAQI
11th Jul 2026274 AMAQI
24°C19/29°C
11th Jul 2026305 AMAQI
11th Jul 2026326 AMAQI
11th Jul 2026287 AMAQI
11th Jul 2026308 AMAQI
11th Jul 2026309 AMAQI
11th Jul 20262010 AMAQI
11th Jul 2026811 AMAQI
11th Jul 20261212 PMAQI
11th Jul 2026141 PMAQI
11th Jul 2026182 PMAQI
11th Jul 2026193 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026305 PMAQI
11th Jul 2026286 PMAQI
11th Jul 2026247 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026309 PMAQI
11th Jul 20263010 PMAQI
11th Jul 20263011 PMAQI
12th Jul 20263012 AMAQI
12th Jul 2026321 AMAQI
12th Jul 2026302 AMAQI
12th Jul 2026303 AMAQI
12th Jul 2026284 AMAQI
27°C21/34°C
12th Jul 2026305 AMAQI
12th Jul 2026306 AMAQI
12th Jul 2026307 AMAQI
12th Jul 2026268 AMAQI
12th Jul 2026309 AMAQI
12th Jul 20263010 AMAQI
12th Jul 20262611 AMAQI
12th Jul 20262412 PMAQI
12th Jul 2026451 PMAQI
12th Jul 2026442 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026424 PMAQI
12th Jul 2026515 PMAQI
12th Jul 2026426 PMAQI
12th Jul 2026407 PMAQI
12th Jul 2026678 PMAQI
12th Jul 2026669 PMAQI
12th Jul 20265810 PMAQI
12th Jul 20265911 PMAQI
13th Jul 20264212 AMAQI
13th Jul 2026361 AMAQI
13th Jul 2026542 AMAQI
13th Jul 2026623 AMAQI
13th Jul 2026544 AMAQI
28°C22/36°C
13th Jul 2026445 AMAQI
13th Jul 2026406 AMAQI
13th Jul 2026687 AMAQI
13th Jul 2026298 AMAQI
13th Jul 2026429 AMAQI
13th Jul 20262710 AMAQI
13th Jul 20263611 AMAQI
13th Jul 20262512 PMAQI
13th Jul 2026221 PMAQI
13th Jul 2026202 PMAQI
13th Jul 2026193 PMAQI
13th Jul 2026224 PMAQI
13th Jul 2026285 PMAQI
13th Jul 2026286 PMAQI
13th Jul 2026267 PMAQI
13th Jul 2026288 PMAQI
13th Jul 2026259 PMAQI
13th Jul 20262110 PMAQI
13th Jul 20262911 PMAQI
14th Jul 20262912 AMAQI
14th Jul 2026461 AMAQI
14th Jul 2026422 AMAQI
14th Jul 2026383 AMAQI
14th Jul 2026294 AMAQI
28°C23/34°C
14th Jul 2026495 AMAQI
14th Jul 2026426 AMAQI
14th Jul 2026367 AMAQI
14th Jul 2026648 AMAQI
14th Jul 2026219 AMAQI
14th Jul 20263110 AMAQI
14th Jul 20266011 AMAQI
14th Jul 20263612 PMAQI
14th Jul 2026171 PMAQI
14th Jul 2026172 PMAQI
14th Jul 2026173 PMAQI
14th Jul 2026164 PMAQI
14th Jul 2026255 PMAQI
14th Jul 2026216 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026258 PMAQI
14th Jul 2026219 PMAQI
14th Jul 20262910 PMAQI
14th Jul 20263111 PMAQI
15th Jul 20263212 AMAQI
15th Jul 2026331 AMAQI
15th Jul 2026302 AMAQI
15th Jul 2026293 AMAQI
15th Jul 2026254 AMAQI
28°C22/34°C
15th Jul 2026285 AMAQI
15th Jul 2026226 AMAQI
15th Jul 2026287 AMAQI
15th Jul 2026268 AMAQI
15th Jul 2026269 AMAQI
15th Jul 20262810 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026191 PMAQI
15th Jul 2026222 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026204 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026216 PMAQI
15th Jul 2026217 PMAQI
15th Jul 2026248 PMAQI
15th Jul 2026209 PMAQI
15th Jul 20262410 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262012 AMAQI
16th Jul 2026201 AMAQI
16th Jul 2026292 AMAQI
16th Jul 2026293 AMAQI
16th Jul 2026404 AMAQI
26°C23/31°C
16th Jul 2026385 AMAQI
16th Jul 2026336 AMAQI
16th Jul 2026547 AMAQI
16th Jul 2026528 AMAQI
16th Jul 2026569 AMAQI
16th Jul 20265410 AMAQI
16th Jul 20266411 AMAQI
16th Jul 20265612 PMAQI
16th Jul 2026601 PMAQI
16th Jul 2026682 PMAQI
16th Jul 2026713 PMAQI
16th Jul 2026724 PMAQI
16th Jul 2026825 PMAQI
16th Jul 2026836 PMAQI
16th Jul 2026907 PMAQI
16th Jul 2026888 PMAQI
16th Jul 2026819 PMAQI
16th Jul 20268310 PMAQI
16th Jul 20268611 PMAQI
17th Jul 20267812 AMAQI
17th Jul 2026761 AMAQI
17th Jul 2026752 AMAQI
17th Jul 2026853 AMAQI
17th Jul 2026824 AMAQI
25°C20/32°C
17th Jul 2026665 AMAQI
17th Jul 2026646 AMAQI
17th Jul 2026597 AMAQI
17th Jul 2026608 AMAQI
17th Jul 2026629 AMAQI
17th Jul 20266210 AMAQI
17th Jul 20265811 AMAQI
17th Jul 20266212 PMAQI
17th Jul 2026571 PMAQI
17th Jul 2026462 PMAQI
17th Jul 2026323 PMAQI
17th Jul 2026444 PMAQI
17th Jul 2026485 PMAQI
17th Jul 2026406 PMAQI
17th Jul 2026427 PMAQI
17th Jul 2026588 PMAQI
17th Jul 2026729 PMAQI
17th Jul 20267810 PMAQI
17th Jul 20267311 PMAQI
18th Jul 20267212 AMAQI
18th Jul 2026641 AMAQI
18th Jul 2026662 AMAQI
18th Jul 2026703 AMAQI
18th Jul 2026424 AMAQI
25°C22/29°C
18th Jul 2026215 AMAQI
18th Jul 2026326 AMAQI
18th Jul 2026327 AMAQI
18th Jul 2026318 AMAQI
18th Jul 2026369 AMAQI
18th Jul 20264810 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264612 PMAQI
18th Jul 2026461 PMAQI
18th Jul 2026522 PMAQI
18th Jul 2026553 PMAQI
18th Jul 2026624 PMAQI
18th Jul 2026645 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026547 PMAQI
18th Jul 2026588 PMAQI
18th Jul 2026549 PMAQI
18th Jul 20266210 PMAQI
18th Jul 20266611 PMAQI
19th Jul 20267212 AMAQI
19th Jul 2026681 AMAQI
19th Jul 2026722 AMAQI
19th Jul 2026543 AMAQI
19th Jul 2026484 AMAQI
25°C23/27°C
19th Jul 2026545 AMAQI
19th Jul 2026296 AMAQI
19th Jul 2026297 AMAQI
19th Jul 2026298 AMAQI
19th Jul 2026239 AMAQI
19th Jul 20264010 AMAQI
19th Jul 20263411 AMAQI
19th Jul 20263812 PMAQI
19th Jul 2026361 PMAQI
19th Jul 2026142 PMAQI
19th Jul 202683 PMAQI
19th Jul 2026104 PMAQI
19th Jul 2026125 PMAQI
19th Jul 2026216 PMAQI
19th Jul 2026277 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026139 PMAQI
19th Jul 20261910 PMAQI
19th Jul 20262111 PMAQI
20th Jul 20263112 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026402 AMAQI
20th Jul 2026663 AMAQI
20th Jul 2026584 AMAQI
25°C24/27°C
20th Jul 2026465 AMAQI
20th Jul 2026316 AMAQI
20th Jul 2026497 AMAQI
20th Jul 2026508 AMAQI
20th Jul 2026339 AMAQI
20th Jul 20265210 AMAQI
20th Jul 20264011 AMAQI
20th Jul 20263212 PMAQI
20th Jul 2026291 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026343 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026335 PMAQI
20th Jul 2026246 PMAQI
20th Jul 2026167 PMAQI
20th Jul 2026228 PMAQI
20th Jul 2026339 PMAQI
20th Jul 20264810 PMAQI
20th Jul 20265111 PMAQI
21st Jul 20266512 AMAQI
21st Jul 2026401 AMAQI
21st Jul 2026382 AMAQI
21st Jul 2026333 AMAQI
21st Jul 2026294 AMAQI
25°C20/30°C
21st Jul 2026315 AMAQI
21st Jul 2026296 AMAQI
21st Jul 2026297 AMAQI
21st Jul 2026258 AMAQI
21st Jul 2026319 AMAQI
21st Jul 20263110 AMAQI
21st Jul 20263611 AMAQI
21st Jul 2026401 PMAQI
21st Jul 2026292 PMAQI
21st Jul 2026343 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026425 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026887 PMAQI
21st Jul 2026428 PMAQI
21st Jul 2026369 PMAQI
21st Jul 20263310 PMAQI
21st Jul 20264411 PMAQI
22nd Jul 20264812 AMAQI
22nd Jul 2026421 AMAQI
22nd Jul 2026402 AMAQI
22nd Jul 2026493 AMAQI
22nd Jul 2026514 AMAQI
25°C22/29°C
22nd Jul 2026485 AMAQI
22nd Jul 2026446 AMAQI
22nd Jul 2026447 AMAQI
22nd Jul 2026638 AMAQI
22nd Jul 2026549 AMAQI
22nd Jul 20265710 AMAQI
22nd Jul 20265011 AMAQI
22nd Jul 20265812 PMAQI
22nd Jul 2026551 PMAQI
22nd Jul 2026422 PMAQI
22nd Jul 2026333 PMAQI
22nd Jul 2026364 PMAQI
22nd Jul 2026275 PMAQI
22nd Jul 2026216 PMAQI
22nd Jul 2026277 PMAQI
22nd Jul 2026448 PMAQI
22nd Jul 2026469 PMAQI
22nd Jul 20265410 PMAQI
22nd Jul 20263811 PMAQI
23rd Jul 20261712 AMAQI
23rd Jul 2026131 AMAQI
23rd Jul 2026122 AMAQI
23rd Jul 2026253 AMAQI
23rd Jul 2026274 AMAQI
27°C23/31°C
23rd Jul 2026365 AMAQI
23rd Jul 2026336 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026198 AMAQI
23rd Jul 2026369 AMAQI
23rd Jul 20265210 AMAQI
23rd Jul 20266611 AMAQI
23rd Jul 20262912 PMAQI
23rd Jul 2026301 PMAQI
23rd Jul 2026272 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026604 PMAQI
23rd Jul 2026535 PMAQI
23rd Jul 2026476 PMAQI
23rd Jul 2026297 PMAQI
23rd Jul 2026288 PMAQI
23rd Jul 2026429 PMAQI
23rd Jul 20264810 PMAQI
23rd Jul 20263811 PMAQI
24th Jul 20263812 AMAQI
24th Jul 2026311 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026443 AMAQI
24th Jul 2026514 AMAQI
26°C22/31°C
24th Jul 2026565 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026407 AMAQI
24th Jul 2026388 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20264410 AMAQI
24th Jul 20264011 AMAQI
24th Jul 20263612 PMAQI
24th Jul 2026331 PMAQI
24th Jul 2026362 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026444 PMAQI
24th Jul 2026405 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026368 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20263810 PMAQI
24th Jul 20263111 PMAQI
25th Jul 20263812 AMAQI
25th Jul 2026331 AMAQI
25th Jul 2026272 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026294 AMAQI
27°C22/33°C
25th Jul 2026295 AMAQI
25th Jul 2026316 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026238 AMAQI
25th Jul 2026299 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20263312 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026422 PMAQI
25th Jul 2026313 PMAQI
25th Jul 2026274 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026277 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262712 AMAQI
26th Jul 2026331 AMAQI
26th Jul 2026312 AMAQI
26th Jul 2026273 AMAQI
26th Jul 2026254 AMAQI
27°C23/31°C
26th Jul 2026315 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026317 AMAQI
26th Jul 2026318 AMAQI
26th Jul 2026339 AMAQI
26th Jul 20263310 AMAQI
26th Jul 20263111 AMAQI
26th Jul 20262912 PMAQI
26th Jul 2026271 PMAQI
26th Jul 2026292 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026344 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20262311 PMAQI
27th Jul 20262112 AMAQI
27th Jul 2026211 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026273 AMAQI
27th Jul 2026294 AMAQI
27°C23/33°C
27th Jul 2026275 AMAQI
27th Jul 2026256 AMAQI
27th Jul 2026257 AMAQI
27th Jul 2026298 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262110 AMAQI
27th Jul 20263211 AMAQI
27th Jul 20264212 PMAQI
27th Jul 2026511 PMAQI
27th Jul 2026442 PMAQI
27th Jul 2026483 PMAQI
27th Jul 2026464 PMAQI
27th Jul 2026215 PMAQI
27th Jul 2026236 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026238 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262510 PMAQI
27th Jul 20262311 PMAQI
28th Jul 20262512 AMAQI
28th Jul 2026251 AMAQI
28th Jul 2026212 AMAQI
28th Jul 2026213 AMAQI
28th Jul 2026214 AMAQI
27°C24/33°C
28th Jul 2026215 AMAQI
28th Jul 2026216 AMAQI
28th Jul 2026217 AMAQI
28th Jul 2026218 AMAQI
28th Jul 2026219 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20264611 AMAQI
28th Jul 20265012 PMAQI
28th Jul 2026521 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026553 PMAQI
28th Jul 2026574 PMAQI
28th Jul 2026595 PMAQI
28th Jul 2026546 PMAQI
28th Jul 2026567 PMAQI
28th Jul 2026588 PMAQI
28th Jul 2026629 PMAQI
28th Jul 20265610 PMAQI
28th Jul 20266511 PMAQI
29th Jul 20266912 AMAQI
29th Jul 2026671 AMAQI
29th Jul 2026422 AMAQI
29th Jul 2026293 AMAQI
29th Jul 2026314 AMAQI
27°C23/32°C
29th Jul 2026405 AMAQI
29th Jul 2026536 AMAQI
29th Jul 2026207 AMAQI
29th Jul 2026408 AMAQI
29th Jul 2026429 AMAQI
29th Jul 20263210 AMAQI
29th Jul 20262511 AMAQI
29th Jul 20264812 PMAQI
29th Jul 2026491 PMAQI
29th Jul 2026442 PMAQI
29th Jul 2026583 PMAQI
29th Jul 2026524 PMAQI
29th Jul 2026485 PMAQI
29th Jul 2026546 PMAQI
29th Jul 2026407 PMAQI
29th Jul 2026238 PMAQI
29th Jul 2026199 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262111 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026191 AMAQI
30th Jul 2026192 AMAQI
30th Jul 2026193 AMAQI
30th Jul 2026194 AMAQI
26°C22/32°C
30th Jul 2026215 AMAQI
30th Jul 2026176 AMAQI
30th Jul 2026217 AMAQI
30th Jul 2026178 AMAQI
30th Jul 2026229 AMAQI
30th Jul 20261910 AMAQI
30th Jul 20261911 AMAQI
30th Jul 20261912 PMAQI
30th Jul 2026191 PMAQI
30th Jul 2026172 PMAQI
30th Jul 2026193 PMAQI
30th Jul 2026194 PMAQI
30th Jul 2026215 PMAQI
30th Jul 2026216 PMAQI
30th Jul 2026197 PMAQI
30th Jul 2026198 PMAQI
30th Jul 2026349 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262111 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026421 AMAQI
31st Jul 2026382 AMAQI
31st Jul 2026293 AMAQI
31st Jul 2026334 AMAQI
26°C22/32°C
31st Jul 2026275 AMAQI
31st Jul 2026256 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026238 AMAQI
31st Jul 2026239 AMAQI
31st Jul 20262710 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20264412 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026402 PMAQI
31st Jul 2026513 PMAQI
31st Jul 2026424 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026336 PMAQI
31st Jul 2026427 PMAQI
31st Jul 2026468 PMAQI
31st Jul 2026449 PMAQI
31st Jul 20265010 PMAQI
31st Jul 20264611 PMAQI
1st Aug 20265712 AMAQI
1st Aug 2026531 AMAQI
1st Aug 2026602 AMAQI
1st Aug 2026643 AMAQI
1st Aug 2026364 AMAQI
26°C20/33°C
1st Aug 2026465 AMAQI
1st Aug 2026536 AMAQI
1st Aug 2026507 AMAQI
1st Aug 2026628 AMAQI
1st Aug 2026559 AMAQI
1st Aug 20266910 AMAQI
1st Aug 20267011 AMAQI
1st Aug 20266912 PMAQI
1st Aug 2026701 PMAQI
1st Aug 2026742 PMAQI
1st Aug 2026663 PMAQI
1st Aug 2026584 PMAQI
1st Aug 2026475 PMAQI
1st Aug 2026496 PMAQI
1st Aug 2026657 PMAQI
1st Aug 2026628 PMAQI
1st Aug 2026639 PMAQI
1st Aug 20266010 PMAQI
1st Aug 20266211 PMAQI
2nd Aug 20265412 AMAQI
2nd Aug 2026561 AMAQI
2nd Aug 2026572 AMAQI
2nd Aug 2026643 AMAQI
2nd Aug 2026534 AMAQI
28°C24/34°C
2nd Aug 2026645 AMAQI
5 AM2nd Aug 2026806 AMAQI
2nd Aug 2026717 AMAQI
2nd Aug 2026688 AMAQI
2nd Aug 2026909 AMAQI
2nd Aug 20268910 AMAQI
2nd Aug 20266711 AMAQI
2nd Aug 20266212 PMAQI
12 PM2nd Aug 2026821 PMAQI
2nd Aug 2026732 PMAQI
2nd Aug 2026973 PMAQI
2nd Aug 2026864 PMAQI
2nd Aug 2026545 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026547 PMAQI
7 PM2nd Aug 2026508 PMAQI
2nd Aug 2026569 PMAQI
2nd Aug 20267010 PMAQI
2nd Aug 20266011 PMAQI
12 AM
4 AM
27°C23/34°C
Day time
Avg. Highest Time
5 AM
38AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 5 AM (Avg. 38), while the lowest AQI was between 6 PM to 6 PM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 3 AM
40AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 9 PM
37AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 40), while the lowest AQI was between 8 PM to 9 PM (Avg. 37).
2026 Days Vs Air Quality
Boeun Eup, Cheongju, Chungbuk, South Korea
2026
56%
119
38%
81
5%
11
Total number of days with different AQI categories in last 214 days in 2026 (151 days remaining)
Good
119 DaysModerate
81 DaysPoor
11 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 56%
Health Risk Level:
Considerable
In 2026, 56% of 214 days were within WHO’s safe air quality limits, and 44% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Boeun Eup, 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
38AQI (US)
38AQI (US)
2nd January 2026
46AQI (US)
46AQI (US)
3rd January 2026
63AQI (US)
63AQI (US)
4th January 2026
78AQI (US)
78AQI (US)
5th January 2026
56AQI (US)
56AQI (US)
6th January 2026
48AQI (US)
48AQI (US)
7th January 2026
62AQI (US)
62AQI (US)
8th January 2026
26AQI (US)
26AQI (US)
9th January 2026
38AQI (US)
38AQI (US)
10th January 2026
61AQI (US)
61AQI (US)
11th January 2026
23AQI (US)
23AQI (US)
12th January 2026
41AQI (US)
41AQI (US)
13th January 2026
42AQI (US)
42AQI (US)
14th January 2026
19AQI (US)
19AQI (US)
15th January 2026
87AQI (US)
87AQI (US)
16th January 2026
133AQI (US)
133AQI (US)
17th January 2026
96AQI (US)
96AQI (US)
18th January 2026
95AQI (US)
95AQI (US)
19th January 2026
68AQI (US)
68AQI (US)
20th January 2026
31AQI (US)
31AQI (US)
21st January 2026
47AQI (US)
47AQI (US)
22nd January 2026
30AQI (US)
30AQI (US)
23rd January 2026
68AQI (US)
68AQI (US)
24th January 2026
55AQI (US)
55AQI (US)
25th January 2026
22AQI (US)
22AQI (US)
26th January 2026
52AQI (US)
52AQI (US)
27th January 2026
56AQI (US)
56AQI (US)
28th January 2026
36AQI (US)
36AQI (US)
29th January 2026
47AQI (US)
47AQI (US)
30th January 2026
51AQI (US)
51AQI (US)
31st January 2026
67AQI (US)
67AQI (US)
1st February 2026
69AQI (US)
69AQI (US)
2nd February 2026
60AQI (US)
60AQI (US)
3rd February 2026
51AQI (US)
51AQI (US)
4th February 2026
96AQI (US)
96AQI (US)
5th February 2026
119AQI (US)
119AQI (US)
6th February 2026
68AQI (US)
68AQI (US)
7th February 2026
41AQI (US)
41AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
52AQI (US)
52AQI (US)
10th February 2026
68AQI (US)
68AQI (US)
11th February 2026
105AQI (US)
105AQI (US)
12th February 2026
117AQI (US)
117AQI (US)
13th February 2026
114AQI (US)
114AQI (US)
14th February 2026
137AQI (US)
137AQI (US)
15th February 2026
102AQI (US)
102AQI (US)
16th February 2026
47AQI (US)
47AQI (US)
17th February 2026
56AQI (US)
56AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
34AQI (US)
34AQI (US)
20th February 2026
62AQI (US)
62AQI (US)
21st February 2026
95AQI (US)
95AQI (US)
22nd February 2026
76AQI (US)
76AQI (US)
23rd February 2026
23AQI (US)
23AQI (US)
24th February 2026
40AQI (US)
40AQI (US)
25th February 2026
46AQI (US)
46AQI (US)
26th February 2026
23AQI (US)
23AQI (US)
27th February 2026
20AQI (US)
20AQI (US)
28th February 2026
47AQI (US)
47AQI (US)
1st March 2026
43AQI (US)
43AQI (US)
2nd March 2026
18AQI (US)
18AQI (US)
3rd March 2026
22AQI (US)
22AQI (US)
4th March 2026
75AQI (US)
75AQI (US)
5th March 2026
64AQI (US)
64AQI (US)
6th March 2026
62AQI (US)
62AQI (US)
7th March 2026
51AQI (US)
51AQI (US)
8th March 2026
47AQI (US)
47AQI (US)
9th March 2026
77AQI (US)
77AQI (US)
10th March 2026
125AQI (US)
125AQI (US)
11th March 2026
87AQI (US)
87AQI (US)
12th March 2026
107AQI (US)
107AQI (US)
13th March 2026
24AQI (US)
24AQI (US)
14th March 2026
36AQI (US)
36AQI (US)
15th March 2026
83AQI (US)
83AQI (US)
16th March 2026
102AQI (US)
102AQI (US)
17th March 2026
102AQI (US)
102AQI (US)
18th March 2026
83AQI (US)
83AQI (US)
19th March 2026
71AQI (US)
71AQI (US)
20th March 2026
51AQI (US)
51AQI (US)
21st March 2026
72AQI (US)
72AQI (US)
22nd March 2026
66AQI (US)
66AQI (US)
23rd March 2026
61AQI (US)
61AQI (US)
24th March 2026
98AQI (US)
98AQI (US)
25th March 2026
82AQI (US)
82AQI (US)
26th March 2026
66AQI (US)
66AQI (US)
27th March 2026
99AQI (US)
99AQI (US)
28th March 2026
84AQI (US)
84AQI (US)
29th March 2026
59AQI (US)
59AQI (US)
30th March 2026
74AQI (US)
74AQI (US)
31st March 2026
24AQI (US)
24AQI (US)
1st April 2026
32AQI (US)
32AQI (US)
2nd April 2026
58AQI (US)
58AQI (US)
3rd April 2026
71AQI (US)
71AQI (US)
4th April 2026
33AQI (US)
33AQI (US)
5th April 2026
42AQI (US)
42AQI (US)
6th April 2026
43AQI (US)
43AQI (US)
7th April 2026
23AQI (US)
23AQI (US)
8th April 2026
31AQI (US)
31AQI (US)
9th April 2026
57AQI (US)
57AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
55AQI (US)
55AQI (US)
12th April 2026
49AQI (US)
49AQI (US)
13th April 2026
33AQI (US)
33AQI (US)
14th April 2026
37AQI (US)
37AQI (US)
15th April 2026
41AQI (US)
41AQI (US)
16th April 2026
35AQI (US)
35AQI (US)
17th April 2026
18th April 2026
53AQI (US)
53AQI (US)
19th April 2026
54AQI (US)
54AQI (US)
20th April 2026
65AQI (US)
65AQI (US)
21st April 2026
60AQI (US)
60AQI (US)
22nd April 2026
23rd April 2026
46AQI (US)
46AQI (US)
24th April 2026
37AQI (US)
37AQI (US)
25th April 2026
54AQI (US)
54AQI (US)
26th April 2026
51AQI (US)
51AQI (US)
27th April 2026
43AQI (US)
43AQI (US)
28th April 2026
44AQI (US)
44AQI (US)
29th April 2026
37AQI (US)
37AQI (US)
30th April 2026
50AQI (US)
50AQI (US)
1st May 2026
44AQI (US)
44AQI (US)
2nd May 2026
71AQI (US)
71AQI (US)
3rd May 2026
51AQI (US)
51AQI (US)
4th May 2026
27AQI (US)
27AQI (US)
5th May 2026
34AQI (US)
34AQI (US)
6th May 2026
36AQI (US)
36AQI (US)
7th May 2026
39AQI (US)
39AQI (US)
8th May 2026
37AQI (US)
37AQI (US)
9th May 2026
10th May 2026
35AQI (US)
35AQI (US)
11th May 2026
39AQI (US)
39AQI (US)
12th May 2026
44AQI (US)
44AQI (US)
13th May 2026
63AQI (US)
63AQI (US)
14th May 2026
52AQI (US)
52AQI (US)
15th May 2026
36AQI (US)
36AQI (US)
16th May 2026
76AQI (US)
76AQI (US)
17th May 2026
65AQI (US)
65AQI (US)
18th May 2026
56AQI (US)
56AQI (US)
19th May 2026
53AQI (US)
53AQI (US)
20th May 2026
63AQI (US)
63AQI (US)
21st May 2026
67AQI (US)
67AQI (US)
22nd May 2026
75AQI (US)
75AQI (US)
23rd May 2026
71AQI (US)
71AQI (US)
24th May 2026
70AQI (US)
70AQI (US)
25th May 2026
65AQI (US)
65AQI (US)
26th May 2026
48AQI (US)
48AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
27AQI (US)
27AQI (US)
29th May 2026
59AQI (US)
59AQI (US)
30th May 2026
42AQI (US)
42AQI (US)
31st May 2026
39AQI (US)
39AQI (US)
1st June 2026
47AQI (US)
47AQI (US)
2nd June 2026
59AQI (US)
59AQI (US)
3rd June 2026
52AQI (US)
52AQI (US)
4th June 2026
44AQI (US)
44AQI (US)
5th June 2026
29AQI (US)
29AQI (US)
6th June 2026
30AQI (US)
30AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
36AQI (US)
36AQI (US)
9th June 2026
53AQI (US)
53AQI (US)
10th June 2026
32AQI (US)
32AQI (US)
11th June 2026
27AQI (US)
27AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
27AQI (US)
27AQI (US)
14th June 2026
44AQI (US)
44AQI (US)
15th June 2026
30AQI (US)
30AQI (US)
16th June 2026
31AQI (US)
31AQI (US)
17th June 2026
26AQI (US)
26AQI (US)
18th June 2026
51AQI (US)
51AQI (US)
19th June 2026
66AQI (US)
66AQI (US)
20th June 2026
23AQI (US)
23AQI (US)
21st June 2026
20AQI (US)
20AQI (US)
22nd June 2026
21AQI (US)
21AQI (US)
23rd June 2026
25AQI (US)
25AQI (US)
24th June 2026
15AQI (US)
15AQI (US)
25th June 2026
27AQI (US)
27AQI (US)
26th June 2026
30AQI (US)
30AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
33AQI (US)
33AQI (US)
29th June 2026
48AQI (US)
48AQI (US)
30th June 2026
31AQI (US)
31AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
32AQI (US)
32AQI (US)
3rd July 2026
36AQI (US)
36AQI (US)
4th July 2026
37AQI (US)
37AQI (US)
5th July 2026
38AQI (US)
38AQI (US)
6th July 2026
25AQI (US)
25AQI (US)
7th July 2026
32AQI (US)
32AQI (US)
8th July 2026
35AQI (US)
35AQI (US)
9th July 2026
22AQI (US)
22AQI (US)
10th July 2026
24AQI (US)
24AQI (US)
11th July 2026
26AQI (US)
26AQI (US)
12th July 2026
38AQI (US)
38AQI (US)
13th July 2026
34AQI (US)
34AQI (US)
14th July 2026
32AQI (US)
32AQI (US)
15th July 2026
25AQI (US)
25AQI (US)
16th July 2026
59AQI (US)
59AQI (US)
17th July 2026
62AQI (US)
62AQI (US)
18th July 2026
51AQI (US)
51AQI (US)
19th July 2026
33AQI (US)
33AQI (US)
20th July 2026
38AQI (US)
38AQI (US)
21st July 2026
39AQI (US)
39AQI (US)
22nd July 2026
45AQI (US)
45AQI (US)
23rd July 2026
35AQI (US)
35AQI (US)
24th July 2026
38AQI (US)
38AQI (US)
25th July 2026
30AQI (US)
30AQI (US)
26th July 2026
28AQI (US)
28AQI (US)
27th July 2026
29AQI (US)
29AQI (US)
28th July 2026
41AQI (US)
41AQI (US)
29th July 2026
40AQI (US)
40AQI (US)
30th July 2026
20AQI (US)
20AQI (US)
31st July 2026
37AQI (US)
37AQI (US)
1st August 2026
59AQI (US)
59AQI (US)
2nd August 2026
67AQI (US)
67AQI (US)
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
54AQI (US)
66AQI (US)
68AQI (US)
45AQI (US)
50AQI (US)
35AQI (US)
35AQI (US)
63AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202651AQI (US)
15
15
1
11
11
6
7
20
4
18
10
15
15
25
5
28
3
2
119
81
11
Highest AQI (US) recorded in
March68AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202556AQI (US)
2
24
5
10
18
4
26
1
10
20
15
16
12
18
27
4
25
6
29
1
18
13
6
23
1
8
22
1
166
191
8
Highest AQI (US) recorded in
January73AQI (US)
Lowest AQI (US) recorded in
September38AQI (US)
202451AQI (US)
13
15
2
15
13
1
11
19
1
8
20
2
16
15
11
19
28
3
19
12
27
3
22
9
13
17
7
24
190
169
6
Highest AQI (US) recorded in
January64AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202362AQI (US)
4
22
2
2
2
16
10
3
19
9
6
20
2
2
9
22
6
24
14
17
15
16
21
9
16
15
12
16
1
13
14
4
121
210
28
4
Highest AQI (US) recorded in
February89AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202265AQI (US)
2
20
7
1
2
12
5
2
6
17
8
10
10
1
4
26
1
15
15
12
12
2
26
3
17
14
5
21
4
4
23
4
105
173
30
3
Highest AQI (US) recorded in
January88AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202166AQI (US)
5
16
9
5
14
9
6
17
7
1
5
23
2
6
21
3
1
4
25
1
22
9
26
5
29
1
12
17
2
7
16
5
2
9
13
9
136
177
47
2
2
Highest AQI (US) recorded in
March86AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202062AQI (US)
8
5
2
13
6
3
15
8
20
2
25
6
23
8
22
8
13
16
2
4
17
8
1
4
15
11
1
104
126
34
2
Highest AQI (US) recorded in
December93AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2021(Avg.)
66AQI (US)Least Polluted Year Recorded
2024(Avg.)
51AQI (US)Boeun Eup's annual 2026 AQI (US) (51) shows an average percentage change of -14.7% (improved AQI (US)) compared to previous years: 2020 (62), 2021 (66), 2022 (65), 2023 (62), 2024 (51), 2025 (56).
