Ulchin, Gyeongbuk, 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
Ulchin, Gyeongbuk, South Korea
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2024
68AQILowest AQI recorded on
9th Aug 2023
20AQISame Day Analysis (14th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 30 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Ulchin, Gyeongbuk, South Korea
AQI
Day
Night
.
5 AM14th Aug 2026
7 PM
4 AM15th Aug 2026
Day time
Avg. Highest Time
3PM14th Aug
38AQI
Avg. Lowest Time
6AM14th Aug
26AQI
Night time
Avg. Highest Time
8PM14th Aug
32AQI
Avg. Lowest Time
3AM15th Aug
28AQI
In the last 24 hours,
Ulchin's AQI reached its highest point of 38 at 3 PM during the Day, while the lowest point, 26, was recorded at 6 AM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ulchin, Gyeongbuk, South Korea
JulAug
17th - 18th18th - 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
Day
Night
17th Jul 2026685 AMAQI
17th Jul 2026666 AMAQI
17th Jul 2026687 AMAQI
17th Jul 2026638 AMAQI
17th Jul 2026609 AMAQI
17th Jul 20266310 AMAQI
17th Jul 20266611 AMAQI
17th Jul 20266912 PMAQI
17th Jul 2026701 PMAQI
17th Jul 2026672 PMAQI
17th Jul 2026623 PMAQI
17th Jul 2026624 PMAQI
17th Jul 2026645 PMAQI
17th Jul 2026586 PMAQI
17th Jul 2026587 PMAQI
17th Jul 2026678 PMAQI
17th Jul 2026669 PMAQI
17th Jul 20266110 PMAQI
17th Jul 20265711 PMAQI
18th Jul 20265812 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026672 AMAQI
18th Jul 2026663 AMAQI
18th Jul 2026584 AMAQI
25°C22/26°C
18th Jul 2026585 AMAQI
18th Jul 2026586 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026578 AMAQI
18th Jul 2026589 AMAQI
18th Jul 20265810 AMAQI
18th Jul 20266311 AMAQI
18th Jul 20266012 PMAQI
18th Jul 2026561 PMAQI
18th Jul 2026542 PMAQI
18th Jul 2026563 PMAQI
18th Jul 2026564 PMAQI
18th Jul 2026535 PMAQI
18th Jul 2026366 PMAQI
18th Jul 2026447 PMAQI
18th Jul 2026408 PMAQI
18th Jul 2026329 PMAQI
18th Jul 20263410 PMAQI
18th Jul 20262411 PMAQI
19th Jul 20262212 AMAQI
19th Jul 2026201 AMAQI
19th Jul 2026162 AMAQI
19th Jul 2026243 AMAQI
19th Jul 2026204 AMAQI
23°C22/24°C
19th Jul 2026185 AMAQI
19th Jul 2026206 AMAQI
19th Jul 2026197 AMAQI
19th Jul 2026188 AMAQI
19th Jul 2026189 AMAQI
19th Jul 20261610 AMAQI
19th Jul 20261611 AMAQI
19th Jul 20261812 PMAQI
19th Jul 2026191 PMAQI
19th Jul 2026192 PMAQI
19th Jul 2026203 PMAQI
19th Jul 2026204 PMAQI
19th Jul 2026225 PMAQI
19th Jul 2026326 PMAQI
19th Jul 2026357 PMAQI
19th Jul 2026358 PMAQI
19th Jul 2026229 PMAQI
19th Jul 20262310 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20261712 AMAQI
20th Jul 2026161 AMAQI
20th Jul 2026192 AMAQI
20th Jul 2026273 AMAQI
20th Jul 2026264 AMAQI
23°C22/24°C
20th Jul 2026245 AMAQI
20th Jul 2026226 AMAQI
20th Jul 2026247 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026249 AMAQI
20th Jul 20262610 AMAQI
20th Jul 20263011 AMAQI
20th Jul 20262812 PMAQI
20th Jul 2026261 PMAQI
20th Jul 2026272 PMAQI
20th Jul 2026273 PMAQI
20th Jul 2026264 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026326 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026288 PMAQI
20th Jul 2026299 PMAQI
20th Jul 20262810 PMAQI
20th Jul 20262711 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026241 AMAQI
21st Jul 2026282 AMAQI
21st Jul 2026303 AMAQI
21st Jul 2026264 AMAQI
24°C23/24°C
21st Jul 2026285 AMAQI
21st Jul 2026286 AMAQI
21st Jul 2026297 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026299 AMAQI
21st Jul 20262610 AMAQI
21st Jul 20263311 AMAQI
21st Jul 2026341 PMAQI
21st Jul 2026302 PMAQI
21st Jul 2026323 PMAQI
21st Jul 2026304 PMAQI
21st Jul 2026315 PMAQI
21st Jul 2026266 PMAQI
21st Jul 2026797 PMAQI
21st Jul 2026308 PMAQI
21st Jul 2026319 PMAQI
21st Jul 20263010 PMAQI
21st Jul 20263211 PMAQI
22nd Jul 20263312 AMAQI
22nd Jul 2026311 AMAQI
22nd Jul 2026332 AMAQI
22nd Jul 2026343 AMAQI
22nd Jul 2026344 AMAQI
26°C24/27°C
22nd Jul 2026325 AMAQI
22nd Jul 2026346 AMAQI
22nd Jul 2026347 AMAQI
22nd Jul 2026368 AMAQI
22nd Jul 2026369 AMAQI
22nd Jul 20263510 AMAQI
22nd Jul 20263211 AMAQI
22nd Jul 20263612 PMAQI
22nd Jul 2026341 PMAQI
22nd Jul 2026342 PMAQI
22nd Jul 2026323 PMAQI
22nd Jul 2026344 PMAQI
22nd Jul 2026365 PMAQI
22nd Jul 2026586 PMAQI
22nd Jul 2026587 PMAQI
22nd Jul 2026628 PMAQI
22nd Jul 2026649 PMAQI
22nd Jul 20265910 PMAQI
22nd Jul 20265711 PMAQI
23rd Jul 20265812 AMAQI
23rd Jul 2026521 AMAQI
23rd Jul 2026522 AMAQI
23rd Jul 2026463 AMAQI
23rd Jul 2026444 AMAQI
26°C26/27°C
23rd Jul 2026515 AMAQI
23rd Jul 2026546 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026519 AMAQI
23rd Jul 20264810 AMAQI
23rd Jul 20266111 AMAQI
23rd Jul 20265312 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026512 PMAQI
23rd Jul 2026483 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026526 PMAQI
23rd Jul 2026517 PMAQI
23rd Jul 2026528 PMAQI
23rd Jul 2026489 PMAQI
23rd Jul 20264310 PMAQI
23rd Jul 20264111 PMAQI
24th Jul 20263812 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026382 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026374 AMAQI
26°C24/27°C
24th Jul 2026405 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026327 AMAQI
24th Jul 2026398 AMAQI
24th Jul 2026349 AMAQI
24th Jul 20263410 AMAQI
24th Jul 20263211 AMAQI
24th Jul 20263112 PMAQI
24th Jul 2026321 PMAQI
24th Jul 2026382 PMAQI
24th Jul 2026413 PMAQI
24th Jul 2026314 PMAQI
24th Jul 2026345 PMAQI
24th Jul 2026386 PMAQI
24th Jul 2026377 PMAQI
24th Jul 2026328 PMAQI
24th Jul 2026389 PMAQI
24th Jul 20264910 PMAQI
24th Jul 20264711 PMAQI
25th Jul 20263612 AMAQI
25th Jul 2026401 AMAQI
25th Jul 2026482 AMAQI
25th Jul 2026493 AMAQI
25th Jul 2026504 AMAQI
25°C24/26°C
25th Jul 2026555 AMAQI
25th Jul 2026536 AMAQI
25th Jul 2026527 AMAQI
25th Jul 2026488 AMAQI
25th Jul 2026539 AMAQI
25th Jul 20264810 AMAQI
25th Jul 20265611 AMAQI
25th Jul 20264712 PMAQI
25th Jul 2026411 PMAQI
25th Jul 2026412 PMAQI
25th Jul 2026423 PMAQI
25th Jul 2026374 PMAQI
25th Jul 2026405 PMAQI
25th Jul 2026446 PMAQI
25th Jul 2026487 PMAQI
25th Jul 2026528 PMAQI
25th Jul 2026519 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20265311 PMAQI
26th Jul 20265312 AMAQI
26th Jul 2026481 AMAQI
26th Jul 2026442 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026444 AMAQI
26°C24/27°C
26th Jul 2026425 AMAQI
26th Jul 2026416 AMAQI
26th Jul 2026427 AMAQI
26th Jul 2026408 AMAQI
26th Jul 2026349 AMAQI
26th Jul 20263510 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20263512 PMAQI
26th Jul 2026341 PMAQI
26th Jul 2026412 PMAQI
26th Jul 2026373 PMAQI
26th Jul 2026354 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026436 PMAQI
26th Jul 2026427 PMAQI
26th Jul 2026428 PMAQI
26th Jul 2026409 PMAQI
26th Jul 20264310 PMAQI
26th Jul 20264211 PMAQI
27th Jul 20264112 AMAQI
27th Jul 2026371 AMAQI
27th Jul 2026332 AMAQI
27th Jul 2026323 AMAQI
27th Jul 2026324 AMAQI
25°C24/27°C
27th Jul 2026345 AMAQI
27th Jul 2026366 AMAQI
27th Jul 2026367 AMAQI
27th Jul 2026348 AMAQI
27th Jul 2026339 AMAQI
27th Jul 20263410 AMAQI
27th Jul 20263711 AMAQI
27th Jul 20263612 PMAQI
27th Jul 2026371 PMAQI
27th Jul 2026362 PMAQI
27th Jul 2026353 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026315 PMAQI
27th Jul 2026346 PMAQI
27th Jul 2026387 PMAQI
27th Jul 2026348 PMAQI
27th Jul 2026329 PMAQI
27th Jul 20263310 PMAQI
27th Jul 20263211 PMAQI
28th Jul 20262812 AMAQI
28th Jul 2026301 AMAQI
28th Jul 2026312 AMAQI
28th Jul 2026293 AMAQI
28th Jul 2026284 AMAQI
25°C23/26°C
28th Jul 2026315 AMAQI
28th Jul 2026326 AMAQI
28th Jul 2026367 AMAQI
28th Jul 2026368 AMAQI
28th Jul 2026349 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20263911 AMAQI
28th Jul 20264212 PMAQI
28th Jul 2026411 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026413 PMAQI
28th Jul 2026434 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026446 PMAQI
28th Jul 2026467 PMAQI
28th Jul 2026468 PMAQI
28th Jul 2026449 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20264212 AMAQI
29th Jul 2026411 AMAQI
29th Jul 2026442 AMAQI
29th Jul 2026443 AMAQI
29th Jul 2026444 AMAQI
26°C24/28°C
29th Jul 2026485 AMAQI
29th Jul 2026486 AMAQI
29th Jul 2026477 AMAQI
29th Jul 2026508 AMAQI
29th Jul 2026499 AMAQI
29th Jul 20264810 AMAQI
29th Jul 20265611 AMAQI
29th Jul 20266012 PMAQI
29th Jul 2026581 PMAQI
29th Jul 2026552 PMAQI
29th Jul 2026503 PMAQI
29th Jul 2026484 PMAQI
29th Jul 2026475 PMAQI
29th Jul 2026506 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026498 PMAQI
29th Jul 2026489 PMAQI
29th Jul 20264710 PMAQI
29th Jul 20264611 PMAQI
30th Jul 20264612 AMAQI
30th Jul 2026441 AMAQI
30th Jul 2026402 AMAQI
30th Jul 2026353 AMAQI
30th Jul 2026404 AMAQI
27°C24/29°C
30th Jul 2026405 AMAQI
30th Jul 2026376 AMAQI
30th Jul 2026377 AMAQI
30th Jul 2026368 AMAQI
30th Jul 2026409 AMAQI
30th Jul 20263610 AMAQI
30th Jul 20263411 AMAQI
30th Jul 20263212 PMAQI
30th Jul 2026361 PMAQI
30th Jul 2026382 PMAQI
30th Jul 2026323 PMAQI
30th Jul 2026344 PMAQI
30th Jul 2026345 PMAQI
30th Jul 2026366 PMAQI
30th Jul 2026347 PMAQI
30th Jul 2026348 PMAQI
30th Jul 2026369 PMAQI
30th Jul 20263710 PMAQI
30th Jul 20263711 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026381 AMAQI
31st Jul 2026392 AMAQI
31st Jul 2026383 AMAQI
31st Jul 2026374 AMAQI
28°C27/29°C
31st Jul 2026375 AMAQI
31st Jul 2026386 AMAQI
31st Jul 2026387 AMAQI
31st Jul 2026388 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20263510 AMAQI
31st Jul 20263811 AMAQI
31st Jul 20263612 PMAQI
31st Jul 2026371 PMAQI
31st Jul 2026392 PMAQI
31st Jul 2026413 PMAQI
31st Jul 2026394 PMAQI
31st Jul 2026395 PMAQI
31st Jul 2026396 PMAQI
31st Jul 2026387 PMAQI
31st Jul 2026388 PMAQI
31st Jul 2026419 PMAQI
31st Jul 20264010 PMAQI
31st Jul 20264111 PMAQI
1st Aug 20264112 AMAQI
1st Aug 2026401 AMAQI
1st Aug 2026412 AMAQI
1st Aug 2026423 AMAQI
1st Aug 2026444 AMAQI
28°C27/30°C
1st Aug 2026455 AMAQI
1st Aug 2026446 AMAQI
1st Aug 2026487 AMAQI
1st Aug 2026488 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264510 AMAQI
1st Aug 20264511 AMAQI
1st Aug 20264712 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026462 PMAQI
1st Aug 2026443 PMAQI
1st Aug 2026454 PMAQI
1st Aug 2026435 PMAQI
1st Aug 2026466 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026448 PMAQI
1st Aug 2026469 PMAQI
1st Aug 20264810 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20264712 AMAQI
2nd Aug 2026481 AMAQI
2nd Aug 2026492 AMAQI
2nd Aug 2026483 AMAQI
2nd Aug 2026504 AMAQI
29°C29/30°C
2nd Aug 2026495 AMAQI
2nd Aug 2026506 AMAQI
2nd Aug 2026527 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026529 AMAQI
2nd Aug 20265310 AMAQI
2nd Aug 20264811 AMAQI
2nd Aug 20264812 PMAQI
2nd Aug 2026481 PMAQI
2nd Aug 2026472 PMAQI
2nd Aug 2026473 PMAQI
2nd Aug 2026474 PMAQI
2nd Aug 2026455 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026457 PMAQI
2nd Aug 2026458 PMAQI
2nd Aug 2026439 PMAQI
2nd Aug 20264510 PMAQI
2nd Aug 20264511 PMAQI
3rd Aug 20264412 AMAQI
3rd Aug 2026441 AMAQI
3rd Aug 2026432 AMAQI
3rd Aug 2026443 AMAQI
3rd Aug 2026444 AMAQI
27°C25/29°C
3rd Aug 2026435 AMAQI
3rd Aug 2026446 AMAQI
3rd Aug 2026457 AMAQI
3rd Aug 2026438 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20264410 AMAQI
3rd Aug 20264511 AMAQI
3rd Aug 20264812 PMAQI
3rd Aug 2026501 PMAQI
3rd Aug 2026502 PMAQI
3rd Aug 2026503 PMAQI
3rd Aug 2026504 PMAQI
3rd Aug 2026515 PMAQI
3rd Aug 2026536 PMAQI
3rd Aug 2026547 PMAQI
3rd Aug 2026518 PMAQI
3rd Aug 2026519 PMAQI
3rd Aug 20265110 PMAQI
3rd Aug 20265011 PMAQI
4th Aug 20265112 AMAQI
4th Aug 2026481 AMAQI
4th Aug 2026472 AMAQI
4th Aug 2026473 AMAQI
4th Aug 2026464 AMAQI
25°C25/26°C
4th Aug 2026455 AMAQI
4th Aug 2026456 AMAQI
4th Aug 2026447 AMAQI
4th Aug 2026428 AMAQI
4th Aug 2026429 AMAQI
4th Aug 20263810 AMAQI
4th Aug 20263411 AMAQI
4th Aug 20264212 PMAQI
4th Aug 2026341 PMAQI
4th Aug 2026292 PMAQI
4th Aug 2026313 PMAQI
4th Aug 2026424 PMAQI
4th Aug 2026385 PMAQI
4th Aug 2026346 PMAQI
4th Aug 2026347 PMAQI
4th Aug 2026378 PMAQI
4th Aug 2026339 PMAQI
4th Aug 20262810 PMAQI
4th Aug 20262811 PMAQI
5th Aug 20262512 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026252 AMAQI
5th Aug 2026263 AMAQI
5th Aug 2026264 AMAQI
26°C25/26°C
5th Aug 2026265 AMAQI
5th Aug 2026326 AMAQI
5th Aug 2026297 AMAQI
5th Aug 2026228 AMAQI
5th Aug 2026249 AMAQI
5th Aug 20262310 AMAQI
5th Aug 20262411 AMAQI
5th Aug 20262212 PMAQI
5th Aug 2026221 PMAQI
5th Aug 2026262 PMAQI
5th Aug 2026263 PMAQI
5th Aug 2026244 PMAQI
5th Aug 2026235 PMAQI
5th Aug 2026246 PMAQI
5th Aug 2026237 PMAQI
5th Aug 2026248 PMAQI
5th Aug 2026249 PMAQI
5th Aug 20262310 PMAQI
5th Aug 20262211 PMAQI
6th Aug 20262412 AMAQI
6th Aug 2026261 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026263 AMAQI
6th Aug 2026264 AMAQI
26°C25/26°C
6th Aug 2026245 AMAQI
6th Aug 2026266 AMAQI
6th Aug 2026247 AMAQI
6th Aug 2026268 AMAQI
6th Aug 2026269 AMAQI
6th Aug 20262610 AMAQI
6th Aug 20262611 AMAQI
6th Aug 20262612 PMAQI
6th Aug 2026291 PMAQI
6th Aug 2026262 PMAQI
6th Aug 2026273 PMAQI
6th Aug 2026264 PMAQI
6th Aug 2026275 PMAQI
6th Aug 2026296 PMAQI
6th Aug 2026287 PMAQI
6th Aug 2026298 PMAQI
6th Aug 2026289 PMAQI
6th Aug 20262810 PMAQI
6th Aug 20262811 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026291 AMAQI
7th Aug 2026282 AMAQI
7th Aug 2026283 AMAQI
7th Aug 2026284 AMAQI
26°C25/27°C
7th Aug 2026305 AMAQI
7th Aug 2026286 AMAQI
7th Aug 2026307 AMAQI
7th Aug 2026318 AMAQI
7th Aug 2026319 AMAQI
7th Aug 20263110 AMAQI
7th Aug 20263111 AMAQI
7th Aug 20263412 PMAQI
7th Aug 2026421 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026363 PMAQI
7th Aug 2026364 PMAQI
7th Aug 2026345 PMAQI
7th Aug 2026386 PMAQI
7th Aug 2026387 PMAQI
7th Aug 2026348 PMAQI
7th Aug 2026379 PMAQI
7th Aug 20263910 PMAQI
7th Aug 20263411 PMAQI
8th Aug 20263112 AMAQI
8th Aug 2026341 AMAQI
8th Aug 2026312 AMAQI
8th Aug 2026303 AMAQI
8th Aug 2026334 AMAQI
27°C26/29°C
8th Aug 2026325 AMAQI
8th Aug 2026306 AMAQI
8th Aug 2026317 AMAQI
8th Aug 2026308 AMAQI
8th Aug 2026309 AMAQI
8th Aug 20263010 AMAQI
8th Aug 20263211 AMAQI
8th Aug 20263212 PMAQI
8th Aug 2026371 PMAQI
8th Aug 2026352 PMAQI
8th Aug 2026323 PMAQI
8th Aug 2026304 PMAQI
8th Aug 2026305 PMAQI
8th Aug 2026326 PMAQI
8th Aug 2026357 PMAQI
8th Aug 2026338 PMAQI
8th Aug 2026349 PMAQI
8th Aug 20263210 PMAQI
8th Aug 20263311 PMAQI
9th Aug 20263612 AMAQI
9th Aug 2026361 AMAQI
9th Aug 2026362 AMAQI
9th Aug 2026343 AMAQI
9th Aug 2026324 AMAQI
27°C26/29°C
9th Aug 2026375 AMAQI
9th Aug 2026366 AMAQI
9th Aug 2026367 AMAQI
9th Aug 2026438 AMAQI
9th Aug 2026349 AMAQI
9th Aug 20263110 AMAQI
9th Aug 20263311 AMAQI
9th Aug 20263212 PMAQI
9th Aug 2026301 PMAQI
9th Aug 2026312 PMAQI
9th Aug 2026303 PMAQI
9th Aug 2026304 PMAQI
9th Aug 2026305 PMAQI
9th Aug 2026326 PMAQI
9th Aug 2026317 PMAQI
9th Aug 2026308 PMAQI
9th Aug 2026319 PMAQI
9th Aug 20263010 PMAQI
9th Aug 20263011 PMAQI
10th Aug 20262912 AMAQI
10th Aug 2026291 AMAQI
10th Aug 2026282 AMAQI
10th Aug 2026283 AMAQI
10th Aug 2026284 AMAQI
26°C25/26°C
10th Aug 2026285 AMAQI
10th Aug 2026266 AMAQI
10th Aug 2026277 AMAQI
10th Aug 2026268 AMAQI
10th Aug 2026279 AMAQI
10th Aug 20262610 AMAQI
10th Aug 20262611 AMAQI
10th Aug 20262912 PMAQI
10th Aug 2026281 PMAQI
10th Aug 2026302 PMAQI
10th Aug 2026273 PMAQI
10th Aug 2026284 PMAQI
10th Aug 2026265 PMAQI
10th Aug 2026266 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026268 PMAQI
10th Aug 2026289 PMAQI
10th Aug 20262610 PMAQI
10th Aug 20262611 PMAQI
11th Aug 20262812 AMAQI
11th Aug 2026281 AMAQI
11th Aug 2026242 AMAQI
11th Aug 2026263 AMAQI
11th Aug 2026254 AMAQI
24°C24/25°C
11th Aug 2026275 AMAQI
11th Aug 2026286 AMAQI
11th Aug 2026267 AMAQI
11th Aug 2026258 AMAQI
11th Aug 2026259 AMAQI
11th Aug 20262610 AMAQI
11th Aug 20263011 AMAQI
11th Aug 20262812 PMAQI
11th Aug 2026271 PMAQI
11th Aug 2026272 PMAQI
11th Aug 2026283 PMAQI
11th Aug 2026274 PMAQI
11th Aug 2026285 PMAQI
11th Aug 2026276 PMAQI
11th Aug 2026297 PMAQI
11th Aug 2026268 PMAQI
11th Aug 2026299 PMAQI
11th Aug 20263410 PMAQI
11th Aug 20263411 PMAQI
12th Aug 20263312 AMAQI
12th Aug 2026321 AMAQI
12th Aug 2026402 AMAQI
12th Aug 2026383 AMAQI
12th Aug 2026364 AMAQI
24°C23/24°C
12th Aug 2026375 AMAQI
12th Aug 2026346 AMAQI
12th Aug 2026327 AMAQI
12th Aug 2026328 AMAQI
12th Aug 2026379 AMAQI
12th Aug 20263210 AMAQI
12th Aug 20263111 AMAQI
12th Aug 20263012 PMAQI
12th Aug 2026301 PMAQI
12th Aug 2026322 PMAQI
12th Aug 2026313 PMAQI
12th Aug 2026344 PMAQI
12th Aug 2026335 PMAQI
12th Aug 2026326 PMAQI
12th Aug 2026337 PMAQI
12th Aug 2026338 PMAQI
12th Aug 2026339 PMAQI
12th Aug 20263310 PMAQI
12th Aug 20263311 PMAQI
13th Aug 20263212 AMAQI
13th Aug 2026301 AMAQI
13th Aug 2026312 AMAQI
13th Aug 2026333 AMAQI
13th Aug 2026314 AMAQI
24°C23/25°C
13th Aug 2026305 AMAQI
13th Aug 2026306 AMAQI
13th Aug 2026297 AMAQI
13th Aug 2026308 AMAQI
13th Aug 2026269 AMAQI
13th Aug 20262710 AMAQI
13th Aug 20262911 AMAQI
13th Aug 20262812 PMAQI
13th Aug 2026301 PMAQI
13th Aug 2026292 PMAQI
13th Aug 2026283 PMAQI
13th Aug 2026264 PMAQI
13th Aug 2026275 PMAQI
13th Aug 2026296 PMAQI
13th Aug 2026297 PMAQI
13th Aug 2026278 PMAQI
13th Aug 2026289 PMAQI
13th Aug 20262610 PMAQI
13th Aug 20262611 PMAQI
14th Aug 20262612 AMAQI
14th Aug 2026291 AMAQI
14th Aug 2026272 AMAQI
14th Aug 2026273 AMAQI
14th Aug 2026264 AMAQI
25°C25/26°C
14th Aug 2026265 AMAQI
14th Aug 2026266 AMAQI
14th Aug 2026287 AMAQI
14th Aug 2026288 AMAQI
14th Aug 2026289 AMAQI
14th Aug 20262910 AMAQI
14th Aug 20262811 AMAQI
14th Aug 20262912 PMAQI
14th Aug 2026301 PMAQI
14th Aug 2026302 PMAQI
14th Aug 2026383 PMAQI
14th Aug 2026344 PMAQI
14th Aug 2026305 PMAQI
14th Aug 2026306 PMAQI
14th Aug 2026337 PMAQI
14th Aug 2026328 PMAQI
14th Aug 2026309 PMAQI
14th Aug 20263110 PMAQI
14th Aug 20263111 PMAQI
15th Aug 20262812 AMAQI
15th Aug 2026281 AMAQI
15th Aug 2026282 AMAQI
15th Aug 2026283 AMAQI
15th Aug 2026294 AMAQI
25°C25/25°C
15th Aug 2026285 AMAQI
5 AM15th Aug 2026286 AMAQI
15th Aug 2026277 AMAQI
15th Aug 2026288 AMAQI
15th Aug 2026289 AMAQI
15th Aug 20262610 AMAQI
15th Aug 20262811 AMAQI
15th Aug 20263012 PMAQI
12 PM15th Aug 2026311 PMAQI
15th Aug 2026322 PMAQI
15th Aug 2026283 PMAQI
15th Aug 2026304 PMAQI
15th Aug 2026385 PMAQI
15th Aug 2026296 PMAQI
15th Aug 2026367 PMAQI
7 PM15th Aug 2026398 PMAQI
15th Aug 2026389 PMAQI
15th Aug 20264410 PMAQI
15th Aug 20264011 PMAQI
12 AM
4 AM
25°C24/25°C
Day time
Avg. Highest Time
7 PM
40AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 AM - 5 PM
37AQI
13 hours / Day
390 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 PM to 7 PM (Avg. 40), while the lowest AQI was between 5 AM to 5 PM (Avg. 37).
Night time
Avg. Highest Time
8 PM - 11 PM
38AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM
37AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 38), while the lowest AQI was between 12 AM to 4 AM (Avg. 37).
2026 Days Vs Air Quality
Ulchin, Gyeongbuk, South Korea
2026
65%
144
33%
73
3%
6
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Good
144 DaysModerate
73 DaysPoor
6 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 65%
Health Risk Level:
Moderate
In 2026, 65% of 227 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Ulchin, Gyeongbuk, 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
26AQI (US)
26AQI (US)
2nd January 2026
27AQI (US)
27AQI (US)
3rd January 2026
48AQI (US)
48AQI (US)
4th January 2026
65AQI (US)
65AQI (US)
5th January 2026
38AQI (US)
38AQI (US)
6th January 2026
39AQI (US)
39AQI (US)
7th January 2026
52AQI (US)
52AQI (US)
8th January 2026
28AQI (US)
28AQI (US)
9th January 2026
31AQI (US)
31AQI (US)
10th January 2026
56AQI (US)
56AQI (US)
11th January 2026
41AQI (US)
41AQI (US)
12th January 2026
34AQI (US)
34AQI (US)
13th January 2026
46AQI (US)
46AQI (US)
14th January 2026
34AQI (US)
34AQI (US)
15th January 2026
72AQI (US)
72AQI (US)
16th January 2026
86AQI (US)
86AQI (US)
17th January 2026
80AQI (US)
80AQI (US)
18th January 2026
64AQI (US)
64AQI (US)
19th January 2026
55AQI (US)
55AQI (US)
20th January 2026
29AQI (US)
29AQI (US)
21st January 2026
32AQI (US)
32AQI (US)
22nd January 2026
27AQI (US)
27AQI (US)
23rd January 2026
46AQI (US)
46AQI (US)
24th January 2026
55AQI (US)
55AQI (US)
25th January 2026
24AQI (US)
24AQI (US)
26th January 2026
30AQI (US)
30AQI (US)
27th January 2026
59AQI (US)
59AQI (US)
28th January 2026
37AQI (US)
37AQI (US)
29th January 2026
33AQI (US)
33AQI (US)
30th January 2026
37AQI (US)
37AQI (US)
31st January 2026
54AQI (US)
54AQI (US)
1st February 2026
60AQI (US)
60AQI (US)
2nd February 2026
58AQI (US)
58AQI (US)
3rd February 2026
41AQI (US)
41AQI (US)
4th February 2026
69AQI (US)
69AQI (US)
5th February 2026
79AQI (US)
79AQI (US)
6th February 2026
72AQI (US)
72AQI (US)
7th February 2026
33AQI (US)
33AQI (US)
8th February 2026
30AQI (US)
30AQI (US)
9th February 2026
44AQI (US)
44AQI (US)
10th February 2026
60AQI (US)
60AQI (US)
11th February 2026
74AQI (US)
74AQI (US)
12th February 2026
84AQI (US)
84AQI (US)
13th February 2026
112AQI (US)
112AQI (US)
14th February 2026
135AQI (US)
135AQI (US)
15th February 2026
104AQI (US)
104AQI (US)
16th February 2026
49AQI (US)
49AQI (US)
17th February 2026
34AQI (US)
34AQI (US)
18th February 2026
56AQI (US)
56AQI (US)
19th February 2026
45AQI (US)
45AQI (US)
20th February 2026
63AQI (US)
63AQI (US)
21st February 2026
90AQI (US)
90AQI (US)
22nd February 2026
63AQI (US)
63AQI (US)
23rd February 2026
35AQI (US)
35AQI (US)
24th February 2026
34AQI (US)
34AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
50AQI (US)
50AQI (US)
28th February 2026
51AQI (US)
51AQI (US)
1st March 2026
52AQI (US)
52AQI (US)
2nd March 2026
81AQI (US)
81AQI (US)
3rd March 2026
51AQI (US)
51AQI (US)
4th March 2026
70AQI (US)
70AQI (US)
5th March 2026
68AQI (US)
68AQI (US)
6th March 2026
60AQI (US)
60AQI (US)
7th March 2026
71AQI (US)
71AQI (US)
8th March 2026
52AQI (US)
52AQI (US)
9th March 2026
64AQI (US)
64AQI (US)
10th March 2026
72AQI (US)
72AQI (US)
11th March 2026
78AQI (US)
78AQI (US)
12th March 2026
59AQI (US)
59AQI (US)
13th March 2026
41AQI (US)
41AQI (US)
14th March 2026
51AQI (US)
51AQI (US)
15th March 2026
66AQI (US)
66AQI (US)
16th March 2026
83AQI (US)
83AQI (US)
17th March 2026
70AQI (US)
70AQI (US)
18th March 2026
62AQI (US)
62AQI (US)
19th March 2026
70AQI (US)
70AQI (US)
20th March 2026
61AQI (US)
61AQI (US)
21st March 2026
65AQI (US)
65AQI (US)
22nd March 2026
70AQI (US)
70AQI (US)
23rd March 2026
72AQI (US)
72AQI (US)
24th March 2026
110AQI (US)
110AQI (US)
25th March 2026
104AQI (US)
104AQI (US)
26th March 2026
73AQI (US)
73AQI (US)
27th March 2026
95AQI (US)
95AQI (US)
28th March 2026
101AQI (US)
101AQI (US)
29th March 2026
74AQI (US)
74AQI (US)
30th March 2026
74AQI (US)
74AQI (US)
31st March 2026
53AQI (US)
53AQI (US)
1st April 2026
46AQI (US)
46AQI (US)
2nd April 2026
52AQI (US)
52AQI (US)
3rd April 2026
66AQI (US)
66AQI (US)
4th April 2026
36AQI (US)
36AQI (US)
5th April 2026
39AQI (US)
39AQI (US)
6th April 2026
56AQI (US)
56AQI (US)
7th April 2026
35AQI (US)
35AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
45AQI (US)
45AQI (US)
10th April 2026
40AQI (US)
40AQI (US)
11th April 2026
51AQI (US)
51AQI (US)
12th April 2026
44AQI (US)
44AQI (US)
13th April 2026
53AQI (US)
53AQI (US)
14th April 2026
50AQI (US)
50AQI (US)
15th April 2026
49AQI (US)
49AQI (US)
16th April 2026
42AQI (US)
42AQI (US)
17th April 2026
18th April 2026
50AQI (US)
50AQI (US)
19th April 2026
45AQI (US)
45AQI (US)
20th April 2026
39AQI (US)
39AQI (US)
21st April 2026
59AQI (US)
59AQI (US)
22nd April 2026
23rd April 2026
43AQI (US)
43AQI (US)
24th April 2026
36AQI (US)
36AQI (US)
25th April 2026
41AQI (US)
41AQI (US)
26th April 2026
49AQI (US)
49AQI (US)
27th April 2026
50AQI (US)
50AQI (US)
28th April 2026
43AQI (US)
43AQI (US)
29th April 2026
34AQI (US)
34AQI (US)
30th April 2026
40AQI (US)
40AQI (US)
1st May 2026
51AQI (US)
51AQI (US)
2nd May 2026
71AQI (US)
71AQI (US)
3rd May 2026
46AQI (US)
46AQI (US)
4th May 2026
29AQI (US)
29AQI (US)
5th May 2026
32AQI (US)
32AQI (US)
6th May 2026
36AQI (US)
36AQI (US)
7th May 2026
43AQI (US)
43AQI (US)
8th May 2026
37AQI (US)
37AQI (US)
9th May 2026
10th May 2026
38AQI (US)
38AQI (US)
11th May 2026
40AQI (US)
40AQI (US)
12th May 2026
44AQI (US)
44AQI (US)
13th May 2026
41AQI (US)
41AQI (US)
14th May 2026
50AQI (US)
50AQI (US)
15th May 2026
40AQI (US)
40AQI (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
66AQI (US)
66AQI (US)
22nd May 2026
76AQI (US)
76AQI (US)
23rd May 2026
70AQI (US)
70AQI (US)
24th May 2026
70AQI (US)
70AQI (US)
25th May 2026
65AQI (US)
65AQI (US)
26th May 2026
46AQI (US)
46AQI (US)
27th May 2026
44AQI (US)
44AQI (US)
28th May 2026
24AQI (US)
24AQI (US)
29th May 2026
32AQI (US)
32AQI (US)
30th May 2026
29AQI (US)
29AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
39AQI (US)
39AQI (US)
2nd June 2026
50AQI (US)
50AQI (US)
3rd June 2026
15AQI (US)
15AQI (US)
4th June 2026
23AQI (US)
23AQI (US)
5th June 2026
35AQI (US)
35AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
22AQI (US)
22AQI (US)
8th June 2026
23AQI (US)
23AQI (US)
9th June 2026
24AQI (US)
24AQI (US)
10th June 2026
24AQI (US)
24AQI (US)
11th June 2026
49AQI (US)
49AQI (US)
12th June 2026
34AQI (US)
34AQI (US)
13th June 2026
32AQI (US)
32AQI (US)
14th June 2026
30AQI (US)
30AQI (US)
15th June 2026
29AQI (US)
29AQI (US)
16th June 2026
34AQI (US)
34AQI (US)
17th June 2026
34AQI (US)
34AQI (US)
18th June 2026
35AQI (US)
35AQI (US)
19th June 2026
44AQI (US)
44AQI (US)
20th June 2026
20AQI (US)
20AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
22AQI (US)
22AQI (US)
24th June 2026
21AQI (US)
21AQI (US)
25th June 2026
28AQI (US)
28AQI (US)
26th June 2026
28AQI (US)
28AQI (US)
27th June 2026
28AQI (US)
28AQI (US)
28th June 2026
29AQI (US)
29AQI (US)
29th June 2026
26AQI (US)
26AQI (US)
30th June 2026
23AQI (US)
23AQI (US)
1st July 2026
24AQI (US)
24AQI (US)
2nd July 2026
25AQI (US)
25AQI (US)
3rd July 2026
34AQI (US)
34AQI (US)
4th July 2026
62AQI (US)
62AQI (US)
5th July 2026
54AQI (US)
54AQI (US)
6th July 2026
46AQI (US)
46AQI (US)
7th July 2026
34AQI (US)
34AQI (US)
8th July 2026
36AQI (US)
36AQI (US)
9th July 2026
39AQI (US)
39AQI (US)
10th July 2026
40AQI (US)
40AQI (US)
11th July 2026
50AQI (US)
50AQI (US)
12th July 2026
46AQI (US)
46AQI (US)
13th July 2026
38AQI (US)
38AQI (US)
14th July 2026
32AQI (US)
32AQI (US)
15th July 2026
40AQI (US)
40AQI (US)
16th July 2026
40AQI (US)
40AQI (US)
17th July 2026
64AQI (US)
64AQI (US)
18th July 2026
52AQI (US)
52AQI (US)
19th July 2026
22AQI (US)
22AQI (US)
20th July 2026
26AQI (US)
26AQI (US)
21st July 2026
31AQI (US)
31AQI (US)
22nd July 2026
40AQI (US)
40AQI (US)
23rd July 2026
50AQI (US)
50AQI (US)
24th July 2026
37AQI (US)
37AQI (US)
25th July 2026
47AQI (US)
47AQI (US)
26th July 2026
40AQI (US)
40AQI (US)
27th July 2026
35AQI (US)
35AQI (US)
28th July 2026
38AQI (US)
38AQI (US)
29th July 2026
48AQI (US)
48AQI (US)
30th July 2026
37AQI (US)
37AQI (US)
31st July 2026
39AQI (US)
39AQI (US)
1st August 2026
45AQI (US)
45AQI (US)
2nd August 2026
48AQI (US)
48AQI (US)
3rd August 2026
48AQI (US)
48AQI (US)
4th August 2026
39AQI (US)
39AQI (US)
5th August 2026
25AQI (US)
25AQI (US)
6th August 2026
26AQI (US)
26AQI (US)
7th August 2026
33AQI (US)
33AQI (US)
8th August 2026
32AQI (US)
32AQI (US)
9th August 2026
33AQI (US)
33AQI (US)
10th August 2026
27AQI (US)
27AQI (US)
11th August 2026
28AQI (US)
28AQI (US)
12th August 2026
34AQI (US)
34AQI (US)
13th August 2026
29AQI (US)
29AQI (US)
14th August 2026
30AQI (US)
30AQI (US)
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
45AQI (US)
60AQI (US)
70AQI (US)
45AQI (US)
49AQI (US)
29AQI (US)
40AQI (US)
34AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202647AQI (US)
20
11
12
13
3
1
27
3
22
6
18
12
30
27
4
14
144
73
6
Highest AQI (US) recorded in
March70AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202551AQI (US)
10
21
18
10
9
21
1
6
24
18
13
13
17
20
11
28
3
30
21
10
9
21
14
17
196
168
1
Highest AQI (US) recorded in
March62AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202449AQI (US)
17
14
19
10
8
21
2
4
22
2
2
14
17
10
20
29
2
28
3
30
30
1
23
7
27
4
239
121
4
2
Highest AQI (US) recorded in
April71AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202356AQI (US)
13
16
2
9
19
4
27
7
20
1
2
11
20
12
18
19
12
27
4
28
2
20
11
3
26
9
22
162
197
3
2
Highest AQI (US) recorded in
April71AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202255AQI (US)
17
12
1
10
10
1
10
15
4
2
9
21
5
25
1
19
11
17
5
1
28
1
22
9
9
21
4
27
151
157
7
2
Highest AQI (US) recorded in
March72AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202149AQI (US)
22
8
13
14
1
14
16
1
14
16
15
15
1
17
13
26
5
24
7
28
2
25
6
15
15
20
10
1
233
127
2
2
Highest AQI (US) recorded in
March61AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202047AQI (US)
8
5
13
8
11
7
17
13
29
2
21
10
21
9
24
7
21
9
19
12
184
82
Highest AQI (US) recorded in
June51AQI (US)
Lowest AQI (US) recorded in
July37AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
56AQI (US)Least Polluted Year Recorded
2020(Avg.)
47AQI (US)Ulchin's annual 2026 AQI (US) (47) shows an average percentage change of -7.7% (improved AQI (US)) compared to previous years: 2020 (47), 2021 (49), 2022 (55), 2023 (56), 2024 (49), 2025 (51).
