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HistoryAQIPM2.5PM10COSO2NO2O3

Union, Kentucky, United States 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

Union, Kentucky, United States

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
67AQI
Lowest AQI recorded on
6th Aug 2025
32AQI

Same Day Analysis (6th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 32 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 6th Aug - 7th Aug 2025

Union, Kentucky, United States

AQI
Day
Night
.

6 AM6th Aug 2025

8 PM

5 AM7th Aug 2025

Day time
Avg. Highest Time
6AM6th Aug

34AQI

Avg. Lowest Time
6PM6th Aug

28AQI

Night time
Avg. Highest Time
12AM7th Aug

32AQI

Avg. Lowest Time
3AM7th Aug

26AQI

In the last 24 hours,

Union's AQI reached its highest point of 34 at 6 AM during the Day, while the lowest point, 26, was recorded at 3 AM during the Night between 6th Aug and 7th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Union, Kentucky, United States

JulAug
08th - 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 - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
8th Jul 2025386 AMAQI
8th Jul 2025387 AMAQI
8th Jul 2025398 AMAQI
8th Jul 2025439 AMAQI
8th Jul 20254310 AMAQI
8th Jul 20254711 AMAQI
8th Jul 20254812 PMAQI
8th Jul 2025511 PMAQI
8th Jul 2025542 PMAQI
8th Jul 2025533 PMAQI
8th Jul 2025544 PMAQI
8th Jul 2025535 PMAQI
8th Jul 2025506 PMAQI
8th Jul 2025447 PMAQI
8th Jul 2025468 PMAQI
8th Jul 2025509 PMAQI
8th Jul 20255210 PMAQI
8th Jul 20255311 PMAQI
9th Jul 20255312 AMAQI
9th Jul 2025541 AMAQI
9th Jul 2025522 AMAQI
9th Jul 2025503 AMAQI
9th Jul 2025514 AMAQI
9th Jul 2025545 AMAQI

26°C21/30°C

9th Jul 2025556 AMAQI
9th Jul 2025587 AMAQI
9th Jul 2025588 AMAQI
9th Jul 2025579 AMAQI
9th Jul 20255510 AMAQI
9th Jul 20255411 AMAQI
9th Jul 20255612 PMAQI
9th Jul 2025571 PMAQI
9th Jul 2025572 PMAQI
9th Jul 2025573 PMAQI
9th Jul 2025564 PMAQI
9th Jul 2025555 PMAQI
9th Jul 2025546 PMAQI
9th Jul 2025547 PMAQI
9th Jul 2025528 PMAQI
9th Jul 2025489 PMAQI
9th Jul 20254710 PMAQI
9th Jul 20255011 PMAQI
10th Jul 20254812 AMAQI
10th Jul 2025321 AMAQI
10th Jul 2025372 AMAQI
10th Jul 2025353 AMAQI
10th Jul 2025354 AMAQI
10th Jul 2025355 AMAQI

25°C22/28°C

10th Jul 2025366 AMAQI
10th Jul 2025377 AMAQI
10th Jul 2025378 AMAQI
10th Jul 2025409 AMAQI
10th Jul 20254410 AMAQI
10th Jul 20254411 AMAQI
10th Jul 20254612 PMAQI
10th Jul 2025441 PMAQI
10th Jul 2025492 PMAQI
10th Jul 2025483 PMAQI
10th Jul 2025444 PMAQI
10th Jul 2025435 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025397 PMAQI
10th Jul 2025418 PMAQI
10th Jul 2025389 PMAQI
10th Jul 20253810 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254212 AMAQI
11th Jul 2025421 AMAQI
11th Jul 2025392 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025374 AMAQI
11th Jul 2025405 AMAQI

26°C20/33°C

11th Jul 2025396 AMAQI
11th Jul 2025437 AMAQI
11th Jul 2025428 AMAQI
11th Jul 2025449 AMAQI
11th Jul 20254210 AMAQI
11th Jul 20254211 AMAQI
11th Jul 20254412 PMAQI
11th Jul 2025411 PMAQI
11th Jul 2025432 PMAQI
11th Jul 2025463 PMAQI
11th Jul 2025464 PMAQI
11th Jul 2025455 PMAQI
11th Jul 2025456 PMAQI
11th Jul 2025437 PMAQI
11th Jul 2025428 PMAQI
11th Jul 2025419 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20254811 PMAQI
12th Jul 20254812 AMAQI
12th Jul 2025431 AMAQI
12th Jul 2025422 AMAQI
12th Jul 2025413 AMAQI
12th Jul 2025384 AMAQI
12th Jul 2025395 AMAQI

27°C20/33°C

12th Jul 2025406 AMAQI
12th Jul 2025407 AMAQI
12th Jul 2025428 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20254610 AMAQI
12th Jul 20254811 AMAQI
12th Jul 20255112 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025522 PMAQI
12th Jul 2025513 PMAQI
12th Jul 2025514 PMAQI
12th Jul 2025505 PMAQI
12th Jul 2025486 PMAQI
12th Jul 2025467 PMAQI
12th Jul 2025448 PMAQI
12th Jul 2025439 PMAQI
12th Jul 20254310 PMAQI
12th Jul 20254011 PMAQI
13th Jul 20253912 AMAQI
13th Jul 2025341 AMAQI
13th Jul 2025352 AMAQI
13th Jul 2025343 AMAQI
13th Jul 2025314 AMAQI
13th Jul 2025325 AMAQI

27°C22/34°C

13th Jul 2025336 AMAQI
13th Jul 2025387 AMAQI
13th Jul 2025398 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20254912 PMAQI
13th Jul 2025431 PMAQI
13th Jul 2025442 PMAQI
13th Jul 2025453 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025496 PMAQI
13th Jul 2025437 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025479 PMAQI
13th Jul 20254510 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254212 AMAQI
14th Jul 2025401 AMAQI
14th Jul 2025352 AMAQI
14th Jul 2025353 AMAQI
14th Jul 2025324 AMAQI
14th Jul 2025325 AMAQI

26°C20/31°C

14th Jul 2025346 AMAQI
14th Jul 2025397 AMAQI
14th Jul 2025368 AMAQI
14th Jul 2025419 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254611 AMAQI
14th Jul 20254212 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025422 PMAQI
14th Jul 2025423 PMAQI
14th Jul 2025444 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025446 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025448 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254412 AMAQI
15th Jul 2025451 AMAQI
15th Jul 2025442 AMAQI
15th Jul 2025443 AMAQI
15th Jul 2025424 AMAQI
15th Jul 2025445 AMAQI

27°C22/33°C

15th Jul 2025436 AMAQI
15th Jul 2025467 AMAQI
15th Jul 2025458 AMAQI
15th Jul 2025429 AMAQI
15th Jul 20253910 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20254212 PMAQI
15th Jul 2025461 PMAQI
15th Jul 2025452 PMAQI
15th Jul 2025473 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025435 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025448 PMAQI
15th Jul 2025409 PMAQI
15th Jul 20254210 PMAQI
15th Jul 20253911 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025281 AMAQI
16th Jul 2025302 AMAQI
16th Jul 2025283 AMAQI
16th Jul 2025274 AMAQI
16th Jul 2025265 AMAQI

27°C23/32°C

16th Jul 2025296 AMAQI
16th Jul 2025277 AMAQI
16th Jul 2025268 AMAQI
16th Jul 2025269 AMAQI
16th Jul 20252510 AMAQI
16th Jul 20252711 AMAQI
16th Jul 20252712 PMAQI
16th Jul 2025281 PMAQI
16th Jul 2025292 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025325 PMAQI
16th Jul 2025306 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253011 PMAQI
17th Jul 20253012 AMAQI
17th Jul 2025261 AMAQI
17th Jul 2025242 AMAQI
17th Jul 2025273 AMAQI
17th Jul 2025244 AMAQI
17th Jul 2025225 AMAQI

26°C23/32°C

17th Jul 2025206 AMAQI
17th Jul 2025227 AMAQI
17th Jul 2025248 AMAQI
17th Jul 2025269 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20252711 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025311 PMAQI
17th Jul 2025332 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025277 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025259 PMAQI
17th Jul 20252410 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252312 AMAQI
18th Jul 2025191 AMAQI
18th Jul 2025212 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025234 AMAQI
18th Jul 2025225 AMAQI

27°C22/34°C

18th Jul 2025226 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025248 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252511 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025263 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025276 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025238 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252610 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025251 AMAQI
19th Jul 2025232 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025224 AMAQI
19th Jul 2025235 AMAQI

26°C22/30°C

19th Jul 2025246 AMAQI
19th Jul 2025227 AMAQI
19th Jul 2025238 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20252711 AMAQI
19th Jul 20252812 PMAQI
19th Jul 2025271 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025273 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252710 PMAQI
19th Jul 20252611 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025231 AMAQI
20th Jul 2025202 AMAQI
20th Jul 2025213 AMAQI
20th Jul 2025244 AMAQI
20th Jul 2025265 AMAQI

24°C22/30°C

20th Jul 2025246 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025298 AMAQI
20th Jul 2025319 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253712 PMAQI
20th Jul 2025411 PMAQI
20th Jul 2025452 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025375 PMAQI
20th Jul 2025366 PMAQI
20th Jul 2025297 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025369 PMAQI
20th Jul 20253510 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025271 AMAQI
21st Jul 2025262 AMAQI
21st Jul 2025263 AMAQI
21st Jul 2025244 AMAQI
21st Jul 2025265 AMAQI

26°C23/32°C

21st Jul 2025286 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025278 AMAQI
21st Jul 2025279 AMAQI
21st Jul 20252810 AMAQI
21st Jul 20253411 AMAQI
21st Jul 20253312 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025334 PMAQI
21st Jul 2025365 PMAQI
21st Jul 2025356 PMAQI
21st Jul 2025327 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025439 PMAQI
21st Jul 20254010 PMAQI
21st Jul 20254611 PMAQI
22nd Jul 20254012 AMAQI
22nd Jul 2025561 AMAQI
22nd Jul 2025562 AMAQI
22nd Jul 2025573 AMAQI
22nd Jul 2025574 AMAQI
22nd Jul 2025585 AMAQI

25°C22/27°C

22nd Jul 2025606 AMAQI
22nd Jul 2025647 AMAQI
22nd Jul 2025638 AMAQI
22nd Jul 2025619 AMAQI
22nd Jul 20256210 AMAQI
22nd Jul 20256111 AMAQI
22nd Jul 20255912 PMAQI
22nd Jul 2025611 PMAQI
22nd Jul 2025622 PMAQI
22nd Jul 2025593 PMAQI
22nd Jul 2025604 PMAQI
22nd Jul 2025625 PMAQI
22nd Jul 2025626 PMAQI
22nd Jul 2025587 PMAQI
22nd Jul 2025588 PMAQI
22nd Jul 2025579 PMAQI
22nd Jul 20255710 PMAQI
22nd Jul 20255811 PMAQI
23rd Jul 20255812 AMAQI
23rd Jul 2025591 AMAQI
23rd Jul 2025582 AMAQI
23rd Jul 2025583 AMAQI
23rd Jul 2025584 AMAQI
23rd Jul 2025585 AMAQI

25°C18/32°C

23rd Jul 2025566 AMAQI
23rd Jul 2025597 AMAQI
23rd Jul 2025598 AMAQI
23rd Jul 2025589 AMAQI
23rd Jul 20255810 AMAQI
23rd Jul 20255911 AMAQI
23rd Jul 20256212 PMAQI
23rd Jul 2025611 PMAQI
23rd Jul 2025592 PMAQI
23rd Jul 2025603 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025577 PMAQI
23rd Jul 2025578 PMAQI
23rd Jul 2025579 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255711 PMAQI
24th Jul 20255812 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025532 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025534 AMAQI
24th Jul 2025535 AMAQI

27°C19/34°C

24th Jul 2025526 AMAQI
24th Jul 2025537 AMAQI
24th Jul 2025538 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255210 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255112 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025544 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025536 PMAQI
24th Jul 2025557 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025549 PMAQI
24th Jul 20255410 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025481 AMAQI
25th Jul 2025492 AMAQI
25th Jul 2025463 AMAQI
25th Jul 2025484 AMAQI
25th Jul 2025505 AMAQI

28°C21/36°C

25th Jul 2025476 AMAQI
25th Jul 2025487 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20255012 PMAQI
25th Jul 2025511 PMAQI
25th Jul 2025522 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025524 PMAQI
25th Jul 2025525 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025499 PMAQI
25th Jul 20254610 PMAQI
25th Jul 20254611 PMAQI
26th Jul 20254412 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025374 AMAQI
26th Jul 2025335 AMAQI

29°C24/34°C

26th Jul 2025376 AMAQI
26th Jul 2025387 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025349 AMAQI
26th Jul 20253310 AMAQI
26th Jul 20253411 AMAQI
26th Jul 20253312 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025332 PMAQI
26th Jul 2025353 PMAQI
26th Jul 2025354 PMAQI
26th Jul 2025345 PMAQI
26th Jul 2025346 PMAQI
26th Jul 2025357 PMAQI
26th Jul 2025358 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253211 PMAQI
27th Jul 20252812 AMAQI
27th Jul 2025201 AMAQI
27th Jul 2025182 AMAQI
27th Jul 2025193 AMAQI
27th Jul 2025184 AMAQI
27th Jul 2025185 AMAQI

28°C23/34°C

27th Jul 2025206 AMAQI
27th Jul 2025197 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025229 AMAQI
27th Jul 20252310 AMAQI
27th Jul 20252211 AMAQI
27th Jul 20252112 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025234 PMAQI
27th Jul 2025225 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025227 PMAQI
27th Jul 2025218 PMAQI
27th Jul 2025229 PMAQI
27th Jul 20252110 PMAQI
27th Jul 20252211 PMAQI
28th Jul 20252012 AMAQI
28th Jul 2025181 AMAQI
28th Jul 2025192 AMAQI
28th Jul 2025213 AMAQI
28th Jul 2025204 AMAQI
28th Jul 2025195 AMAQI

28°C24/34°C

28th Jul 2025206 AMAQI
28th Jul 2025227 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025229 AMAQI
28th Jul 20252110 AMAQI
28th Jul 20252411 AMAQI
28th Jul 20252412 PMAQI
28th Jul 2025221 PMAQI
28th Jul 2025212 PMAQI
28th Jul 2025223 PMAQI
28th Jul 2025244 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025247 PMAQI
28th Jul 2025248 PMAQI
28th Jul 2025269 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252311 PMAQI
29th Jul 20252212 AMAQI
29th Jul 2025191 AMAQI
29th Jul 2025182 AMAQI
29th Jul 2025183 AMAQI
29th Jul 2025194 AMAQI
29th Jul 2025185 AMAQI

28°C24/32°C

29th Jul 2025206 AMAQI
29th Jul 2025207 AMAQI
29th Jul 2025198 AMAQI
29th Jul 2025219 AMAQI
29th Jul 20252210 AMAQI
29th Jul 20252411 AMAQI
29th Jul 20252612 PMAQI
29th Jul 2025281 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025305 PMAQI
29th Jul 2025306 PMAQI
29th Jul 2025247 PMAQI
29th Jul 2025248 PMAQI
29th Jul 2025269 PMAQI
29th Jul 20252610 PMAQI
29th Jul 20252811 PMAQI
30th Jul 20252712 AMAQI
30th Jul 2025261 AMAQI
30th Jul 2025242 AMAQI
30th Jul 2025243 AMAQI
30th Jul 2025264 AMAQI
30th Jul 2025255 AMAQI

27°C23/34°C

30th Jul 2025266 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025368 AMAQI
30th Jul 2025379 AMAQI
30th Jul 20253210 AMAQI
30th Jul 20253211 AMAQI
30th Jul 20253212 PMAQI
30th Jul 2025321 PMAQI
30th Jul 2025302 PMAQI
30th Jul 2025303 PMAQI
30th Jul 2025304 PMAQI
30th Jul 2025305 PMAQI
30th Jul 2025306 PMAQI
30th Jul 2025307 PMAQI
30th Jul 2025308 PMAQI
30th Jul 2025389 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253912 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025384 AMAQI
31st Jul 2025355 AMAQI

29°C21/36°C

31st Jul 2025376 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025488 AMAQI
31st Jul 2025469 AMAQI
31st Jul 20254010 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025302 PMAQI
31st Jul 2025243 PMAQI
31st Jul 2025324 PMAQI
31st Jul 2025315 PMAQI
31st Jul 2025306 PMAQI
31st Jul 2025387 PMAQI
31st Jul 2025358 PMAQI
31st Jul 2025339 PMAQI
31st Jul 20253710 PMAQI
31st Jul 20254011 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025591 AMAQI
1st Aug 2025582 AMAQI
1st Aug 2025633 AMAQI
1st Aug 2025654 AMAQI
1st Aug 2025665 AMAQI

25°C22/30°C

1st Aug 2025676 AMAQI
1st Aug 2025707 AMAQI
1st Aug 2025688 AMAQI
1st Aug 2025699 AMAQI
1st Aug 20257210 AMAQI
1st Aug 20257411 AMAQI
1st Aug 20257712 PMAQI
1st Aug 2025761 PMAQI
1st Aug 2025762 PMAQI
1st Aug 2025723 PMAQI
1st Aug 2025694 PMAQI
1st Aug 2025705 PMAQI
1st Aug 2025706 PMAQI
1st Aug 2025697 PMAQI
1st Aug 2025688 PMAQI
1st Aug 2025669 PMAQI
1st Aug 20256510 PMAQI
1st Aug 20256611 PMAQI
2nd Aug 20256512 AMAQI
2nd Aug 2025631 AMAQI
2nd Aug 2025642 AMAQI
2nd Aug 2025633 AMAQI
2nd Aug 2025624 AMAQI
2nd Aug 2025615 AMAQI

22°C17/28°C

2nd Aug 2025586 AMAQI
2nd Aug 2025587 AMAQI
2nd Aug 2025568 AMAQI
2nd Aug 2025539 AMAQI
2nd Aug 20254710 AMAQI
2nd Aug 20254111 AMAQI
2nd Aug 20253812 PMAQI
2nd Aug 2025351 PMAQI
2nd Aug 2025332 PMAQI
2nd Aug 2025303 PMAQI
2nd Aug 2025314 PMAQI
2nd Aug 2025315 PMAQI
2nd Aug 2025316 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025438 PMAQI
2nd Aug 2025359 PMAQI
2nd Aug 20253910 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20253912 AMAQI
3rd Aug 2025341 AMAQI
3rd Aug 2025392 AMAQI
3rd Aug 2025413 AMAQI
3rd Aug 2025444 AMAQI
3rd Aug 2025465 AMAQI

21°C16/28°C

3rd Aug 2025426 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025438 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254210 AMAQI
3rd Aug 20254211 AMAQI
3rd Aug 20254012 PMAQI
3rd Aug 2025411 PMAQI
3rd Aug 2025422 PMAQI
3rd Aug 2025403 PMAQI
3rd Aug 2025394 PMAQI
3rd Aug 2025385 PMAQI
3rd Aug 2025396 PMAQI
3rd Aug 2025367 PMAQI
3rd Aug 2025368 PMAQI
3rd Aug 2025339 PMAQI
3rd Aug 20253410 PMAQI
3rd Aug 20253511 PMAQI
4th Aug 20253612 AMAQI
4th Aug 2025321 AMAQI
4th Aug 2025332 AMAQI
4th Aug 2025343 AMAQI
4th Aug 2025334 AMAQI
4th Aug 2025355 AMAQI

22°C15/30°C

4th Aug 2025366 AMAQI
4th Aug 2025357 AMAQI
4th Aug 2025368 AMAQI
4th Aug 2025389 AMAQI
4th Aug 20253810 AMAQI
4th Aug 20253611 AMAQI
4th Aug 20253512 PMAQI
4th Aug 2025361 PMAQI
4th Aug 2025372 PMAQI
4th Aug 2025343 PMAQI
4th Aug 2025354 PMAQI
4th Aug 2025325 PMAQI
4th Aug 2025346 PMAQI
4th Aug 2025357 PMAQI
4th Aug 2025338 PMAQI
4th Aug 2025339 PMAQI
4th Aug 20253510 PMAQI
4th Aug 20253311 PMAQI
5th Aug 20253612 AMAQI
5th Aug 2025361 AMAQI
5th Aug 2025362 AMAQI
5th Aug 2025343 AMAQI
5th Aug 2025374 AMAQI
5th Aug 2025365 AMAQI

24°C19/30°C

5th Aug 2025376 AMAQI
5th Aug 2025387 AMAQI
5th Aug 2025428 AMAQI
5th Aug 2025409 AMAQI
5th Aug 20253810 AMAQI
5th Aug 20253811 AMAQI
5th Aug 20253812 PMAQI
5th Aug 2025421 PMAQI
5th Aug 2025412 PMAQI
5th Aug 2025403 PMAQI
5th Aug 2025384 PMAQI
5th Aug 2025345 PMAQI
5th Aug 2025326 PMAQI
5th Aug 2025377 PMAQI
5th Aug 2025328 PMAQI
5th Aug 2025309 PMAQI
5th Aug 20252910 PMAQI
5th Aug 20253011 PMAQI
6th Aug 20253112 AMAQI
6th Aug 2025311 AMAQI
6th Aug 2025302 AMAQI
6th Aug 2025303 AMAQI
6th Aug 2025324 AMAQI
6th Aug 2025355 AMAQI

25°C20/28°C

6th Aug 2025346 AMAQI
6th Aug 2025337 AMAQI
6th Aug 2025348 AMAQI
6th Aug 2025329 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253011 AMAQI
6th Aug 20253212 PMAQI
6th Aug 2025331 PMAQI
6th Aug 2025322 PMAQI
6th Aug 2025313 PMAQI
6th Aug 2025314 PMAQI
6th Aug 2025305 PMAQI
6th Aug 2025286 PMAQI
6th Aug 2025337 PMAQI
6th Aug 2025318 PMAQI
6th Aug 2025319 PMAQI
6th Aug 20252910 PMAQI
6th Aug 20252611 PMAQI
7th Aug 20253212 AMAQI
7th Aug 2025281 AMAQI
7th Aug 2025262 AMAQI
7th Aug 2025263 AMAQI
7th Aug 2025304 AMAQI
7th Aug 2025325 AMAQI

25°C20/29°C

7th Aug 2025306 AMAQI
6 AM
7th Aug 2025307 AMAQI
7th Aug 2025328 AMAQI
7th Aug 2025279 AMAQI
7th Aug 20252710 AMAQI
7th Aug 20252711 AMAQI
1 PM
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 8 PM

39AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM

39AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 39), while the lowest AQI was between 6 AM to 8 PM (Avg. 39).
Night time
Avg. Highest Time
12 AM

39AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM - 5 AM

36AQI

5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 39), while the lowest AQI was between 1 AM to 5 AM (Avg. 36).

2025 Days Vs Air Quality

Union, Kentucky, United States

2025

86%

114

14%

19

Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)

Good
114 Days
Moderate
19 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 86%

Health Risk Level:

Low

In 2025, 86% of 219 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Union, Kentucky, United States

AQI levels in 2025

AQI
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.

1st March 2025
33AQI
2nd March 2025
39AQI
3rd March 2025
54AQI
4th March 2025
37AQI
5th March 2025
18AQI
1st April 2025
21AQI
2nd April 2025
25AQI
3rd April 2025
23AQI
4th April 2025
18AQI
5th April 2025
15AQI
6th April 2025
17AQI
7th April 2025
25AQI
8th April 2025
16AQI
9th April 2025
22AQI
10th April 2025
28AQI
11th April 2025
40AQI
12th April 2025
44AQI
13th April 2025
36AQI
14th April 2025
42AQI
15th April 2025
21AQI
16th April 2025
23AQI
17th April 2025
28AQI
18th April 2025
44AQI
19th April 2025
41AQI
20th April 2025
36AQI
21st April 2025
37AQI
22nd April 2025
21AQI
23rd April 2025
30AQI
24th April 2025
35AQI
25th April 2025
26AQI
26th April 2025
27AQI
27th April 2025
20AQI
28th April 2025
24AQI
29th April 2025
42AQI
30th April 2025
25AQI
1st May 2025
32AQI
2nd May 2025
29AQI
3rd May 2025
19AQI
4th May 2025
17AQI
5th May 2025
15AQI
6th May 2025
20AQI
7th May 2025
27AQI
8th May 2025
29AQI
9th May 2025
26AQI
10th May 2025
28AQI
11th May 2025
37AQI
12th May 2025
24AQI
13th May 2025
17AQI
14th May 2025
23AQI
15th May 2025
39AQI
16th May 2025
48AQI
17th May 2025
25AQI
18th May 2025
19AQI
19th May 2025
24AQI
20th May 2025
26AQI
21st May 2025
22AQI
22nd May 2025
14AQI
23rd May 2025
15AQI
24th May 2025
15AQI
25th May 2025
19AQI
26th May 2025
18AQI
27th May 2025
16AQI
28th May 2025
17AQI
29th May 2025
30AQI
30th May 2025
31AQI
31st May 2025
42AQI
1st June 2025
29AQI
2nd June 2025
44AQI
3rd June 2025
49AQI
4th June 2025
70AQI
5th June 2025
59AQI
6th June 2025
42AQI
7th June 2025
38AQI
8th June 2025
39AQI
9th June 2025
53AQI
10th June 2025
50AQI
11th June 2025
57AQI
12th June 2025
63AQI
13th June 2025
63AQI
14th June 2025
29AQI
15th June 2025
27AQI
16th June 2025
33AQI
17th June 2025
30AQI
18th June 2025
29AQI
19th June 2025
23AQI
20th June 2025
35AQI
21st June 2025
42AQI
22nd June 2025
45AQI
23rd June 2025
56AQI
24th June 2025
56AQI
25th June 2025
55AQI
26th June 2025
49AQI
27th June 2025
38AQI
28th June 2025
35AQI
29th June 2025
35AQI
30th June 2025
31AQI
1st July 2025
28AQI
2nd July 2025
35AQI
3rd July 2025
47AQI
4th July 2025
56AQI
5th July 2025
89AQI
6th July 2025
62AQI
7th July 2025
52AQI
8th July 2025
44AQI
9th July 2025
53AQI
10th July 2025
40AQI
11th July 2025
42AQI
12th July 2025
44AQI
13th July 2025
41AQI
14th July 2025
40AQI
15th July 2025
43AQI
16th July 2025
29AQI
17th July 2025
26AQI
18th July 2025
24AQI
19th July 2025
25AQI
20th July 2025
31AQI
21st July 2025
32AQI
22nd July 2025
58AQI
23rd July 2025
58AQI
24th July 2025
54AQI
25th July 2025
50AQI
26th July 2025
34AQI
27th July 2025
21AQI
28th July 2025
22AQI
29th July 2025
24AQI
30th July 2025
30AQI
31st July 2025
36AQI
1st August 2025
67AQI
2nd August 2025
48AQI
3rd August 2025
39AQI
4th August 2025
35AQI
5th August 2025
36AQI
6th August 2025
32AQI

36AQI

28AQI

25AQI

43AQI

41AQI

43AQI

No. of days

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

202535AQI

4
1
30
31
21
9
23
8
5
1
114
19

Highest AQI recorded in

June

43AQI

Lowest AQI recorded in

May

25AQI

Most & Least Polluted Years Over the Last 1 Years

Most Polluted Year Recorded
2025(Avg.)
35AQI
Least Polluted Year Recorded
2025(Avg.)
35AQI

Union's annual 2025 AQI (35) shows an average percentage change of NaN% (improved AQI) compared to previous years: .