Country Background
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
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
1st Aug 2025
67AQI
Lowest AQI recorded on
25th Aug 2025
20AQI

Same Day Analysis (5th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 38 of Good air quality on the same day.

Day & Night AQI Trend: 4th Aug - 5th Aug 2026

Union, Kentucky, United States

AQI
Day
Night
.

6 AM4th Aug 2026

9 PM

5 AM5th Aug 2026

Day time
Avg. Highest Time
12PM4th Aug

42AQI

Avg. Lowest Time
5PM4th Aug

14AQI

Night time
Avg. Highest Time
11PM4th Aug

42AQI

Avg. Lowest Time
9PM4th Aug

29AQI

In the last 24 hours,

Union's AQI reached its highest point of 42 at 12 PM during the Day, while the lowest point, 14, was recorded at 5 PM during the Day between 4th Aug and 5th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Union, Kentucky, United States

JulAug
07th - 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 - 03rd03rd - 04th04th - 05th05th
Day
Night
7th Jul 2026316 AMAQI
7th Jul 2026317 AMAQI
7th Jul 2026318 AMAQI
7th Jul 2026309 AMAQI
7th Jul 20262910 AMAQI
7th Jul 20263111 AMAQI
7th Jul 20262912 PMAQI
7th Jul 2026301 PMAQI
7th Jul 2026302 PMAQI
7th Jul 2026283 PMAQI
7th Jul 2026284 PMAQI
7th Jul 2026285 PMAQI
7th Jul 2026306 PMAQI
7th Jul 2026177 PMAQI
7th Jul 2026218 PMAQI
7th Jul 2026219 PMAQI
7th Jul 20262110 PMAQI
7th Jul 20262111 PMAQI
8th Jul 20262412 AMAQI
8th Jul 2026251 AMAQI
8th Jul 2026252 AMAQI
8th Jul 2026303 AMAQI
8th Jul 2026274 AMAQI
8th Jul 2026265 AMAQI

26°C21/32°C

8th Jul 2026266 AMAQI
8th Jul 2026267 AMAQI
8th Jul 2026328 AMAQI
8th Jul 2026339 AMAQI
8th Jul 20263110 AMAQI
8th Jul 20263311 AMAQI
8th Jul 20263412 PMAQI
8th Jul 2026331 PMAQI
8th Jul 2026332 PMAQI
8th Jul 2026213 PMAQI
8th Jul 2026174 PMAQI
8th Jul 2026255 PMAQI
8th Jul 2026296 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026298 PMAQI
8th Jul 2026299 PMAQI
8th Jul 20262910 PMAQI
8th Jul 20262511 PMAQI
9th Jul 20262412 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026292 AMAQI
9th Jul 2026253 AMAQI
9th Jul 2026244 AMAQI
9th Jul 2026425 AMAQI

27°C20/33°C

9th Jul 2026286 AMAQI
9th Jul 2026297 AMAQI
9th Jul 2026318 AMAQI
9th Jul 2026239 AMAQI
9th Jul 20263210 AMAQI
9th Jul 20262211 AMAQI
9th Jul 20263212 PMAQI
9th Jul 2026301 PMAQI
9th Jul 2026322 PMAQI
9th Jul 2026283 PMAQI
9th Jul 2026324 PMAQI
9th Jul 2026355 PMAQI
9th Jul 2026346 PMAQI
9th Jul 2026387 PMAQI
9th Jul 2026238 PMAQI
9th Jul 2026319 PMAQI
9th Jul 20262910 PMAQI
9th Jul 20263011 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026241 AMAQI
10th Jul 2026222 AMAQI
10th Jul 2026243 AMAQI
10th Jul 2026264 AMAQI
10th Jul 2026345 AMAQI

27°C23/34°C

10th Jul 2026126 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026128 AMAQI
10th Jul 2026179 AMAQI
10th Jul 20262210 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20262412 PMAQI
10th Jul 2026251 PMAQI
10th Jul 2026122 PMAQI
10th Jul 2026123 PMAQI
10th Jul 2026124 PMAQI
10th Jul 2026125 PMAQI
10th Jul 202686 PMAQI
10th Jul 2026247 PMAQI
10th Jul 2026248 PMAQI
10th Jul 2026369 PMAQI
10th Jul 20262010 PMAQI
10th Jul 20261811 PMAQI
11th Jul 20262612 AMAQI
11th Jul 2026121 AMAQI
11th Jul 2026262 AMAQI
11th Jul 2026223 AMAQI
11th Jul 2026114 AMAQI
11th Jul 2026145 AMAQI

26°C22/33°C

11th Jul 2026126 AMAQI
11th Jul 2026107 AMAQI
11th Jul 2026128 AMAQI
11th Jul 2026129 AMAQI
11th Jul 20261210 AMAQI
11th Jul 20261211 AMAQI
11th Jul 20262412 PMAQI
11th Jul 2026141 PMAQI
11th Jul 2026172 PMAQI
11th Jul 2026253 PMAQI
11th Jul 2026174 PMAQI
11th Jul 2026245 PMAQI
11th Jul 2026246 PMAQI
11th Jul 2026247 PMAQI
11th Jul 2026328 PMAQI
11th Jul 2026179 PMAQI
11th Jul 20261710 PMAQI
11th Jul 20261411 PMAQI
12th Jul 20262612 AMAQI
12th Jul 2026121 AMAQI
12th Jul 2026122 AMAQI
12th Jul 2026163 AMAQI
12th Jul 2026224 AMAQI
12th Jul 2026225 AMAQI

24°C22/29°C

12th Jul 2026166 AMAQI
12th Jul 2026227 AMAQI
12th Jul 2026248 AMAQI
12th Jul 2026229 AMAQI
12th Jul 20262310 AMAQI
12th Jul 20261111 AMAQI
12th Jul 20261412 PMAQI
12th Jul 2026141 PMAQI
12th Jul 2026202 PMAQI
12th Jul 2026243 PMAQI
12th Jul 2026124 PMAQI
12th Jul 2026205 PMAQI
12th Jul 2026206 PMAQI
12th Jul 2026207 PMAQI
12th Jul 2026118 PMAQI
12th Jul 2026239 PMAQI
12th Jul 20262010 PMAQI
12th Jul 20262211 PMAQI
13th Jul 20261712 AMAQI
13th Jul 2026261 AMAQI
13th Jul 2026342 AMAQI
13th Jul 2026223 AMAQI
13th Jul 2026244 AMAQI
13th Jul 2026255 AMAQI

24°C20/30°C

13th Jul 2026206 AMAQI
13th Jul 2026217 AMAQI
13th Jul 2026258 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20262610 AMAQI
13th Jul 20262511 AMAQI
13th Jul 20262612 PMAQI
13th Jul 2026301 PMAQI
13th Jul 2026212 PMAQI
13th Jul 2026213 PMAQI
13th Jul 2026124 PMAQI
13th Jul 2026135 PMAQI
13th Jul 2026236 PMAQI
13th Jul 2026227 PMAQI
13th Jul 2026148 PMAQI
13th Jul 2026159 PMAQI
13th Jul 20261410 PMAQI
13th Jul 20261711 PMAQI
14th Jul 20261912 AMAQI
14th Jul 2026191 AMAQI
14th Jul 2026152 AMAQI
14th Jul 2026223 AMAQI
14th Jul 2026134 AMAQI
14th Jul 2026145 AMAQI

27°C20/34°C

14th Jul 2026236 AMAQI
14th Jul 2026267 AMAQI
14th Jul 2026148 AMAQI
14th Jul 2026259 AMAQI
14th Jul 20262610 AMAQI
14th Jul 20262611 AMAQI
14th Jul 20262612 PMAQI
14th Jul 2026251 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026215 PMAQI
14th Jul 2026246 PMAQI
14th Jul 2026227 PMAQI
14th Jul 2026248 PMAQI
14th Jul 2026249 PMAQI
14th Jul 20262810 PMAQI
14th Jul 20262611 PMAQI
15th Jul 20261812 AMAQI
15th Jul 2026191 AMAQI
15th Jul 2026232 AMAQI
15th Jul 2026203 AMAQI
15th Jul 2026204 AMAQI
15th Jul 2026205 AMAQI

28°C21/36°C

15th Jul 2026226 AMAQI
15th Jul 2026197 AMAQI
15th Jul 2026218 AMAQI
15th Jul 2026249 AMAQI
15th Jul 20262410 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262412 PMAQI
15th Jul 2026201 PMAQI
15th Jul 2026202 PMAQI
15th Jul 2026203 PMAQI
15th Jul 2026204 PMAQI
15th Jul 2026265 PMAQI
15th Jul 2026246 PMAQI
15th Jul 2026247 PMAQI
15th Jul 2026188 PMAQI
15th Jul 2026239 PMAQI
15th Jul 20261610 PMAQI
15th Jul 20261511 PMAQI
16th Jul 20261612 AMAQI
16th Jul 2026181 AMAQI
16th Jul 2026212 AMAQI
16th Jul 2026203 AMAQI
16th Jul 2026204 AMAQI
16th Jul 2026185 AMAQI

29°C20/38°C

16th Jul 2026186 AMAQI
16th Jul 2026167 AMAQI
16th Jul 2026248 AMAQI
16th Jul 2026269 AMAQI
16th Jul 20262210 AMAQI
16th Jul 20262811 AMAQI
16th Jul 20262812 PMAQI
16th Jul 2026211 PMAQI
16th Jul 2026252 PMAQI
16th Jul 2026233 PMAQI
16th Jul 2026284 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026246 PMAQI
16th Jul 2026247 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026259 PMAQI
16th Jul 20262410 PMAQI
16th Jul 20262411 PMAQI
17th Jul 20262012 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026242 AMAQI
17th Jul 2026293 AMAQI
17th Jul 2026294 AMAQI
17th Jul 2026535 AMAQI

29°C22/37°C

17th Jul 2026536 AMAQI
17th Jul 2026547 AMAQI
17th Jul 2026538 AMAQI
17th Jul 2026549 AMAQI
17th Jul 20265510 AMAQI
17th Jul 20265311 AMAQI
17th Jul 20265912 PMAQI
17th Jul 2026641 PMAQI
17th Jul 2026592 PMAQI
17th Jul 2026573 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026535 PMAQI
17th Jul 2026506 PMAQI
17th Jul 2026507 PMAQI
17th Jul 2026468 PMAQI
17th Jul 2026409 PMAQI
17th Jul 20262910 PMAQI
17th Jul 20262911 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026401 AMAQI
18th Jul 2026382 AMAQI
18th Jul 2026423 AMAQI
18th Jul 2026404 AMAQI
18th Jul 2026445 AMAQI

29°C22/36°C

18th Jul 2026426 AMAQI
18th Jul 2026557 AMAQI
18th Jul 2026338 AMAQI
18th Jul 2026469 AMAQI
18th Jul 20264210 AMAQI
18th Jul 20263811 AMAQI
18th Jul 20264412 PMAQI
18th Jul 2026421 PMAQI
18th Jul 2026462 PMAQI
18th Jul 2026423 PMAQI
18th Jul 2026464 PMAQI
18th Jul 2026465 PMAQI
18th Jul 2026486 PMAQI
18th Jul 2026527 PMAQI
18th Jul 2026428 PMAQI
18th Jul 2026449 PMAQI
18th Jul 20263810 PMAQI
18th Jul 20264811 PMAQI
19th Jul 20264812 AMAQI
19th Jul 2026531 AMAQI
19th Jul 2026512 AMAQI
19th Jul 2026403 AMAQI
19th Jul 2026464 AMAQI
19th Jul 2026425 AMAQI

27°C23/33°C

19th Jul 2026486 AMAQI
19th Jul 2026507 AMAQI
19th Jul 2026508 AMAQI
19th Jul 2026639 AMAQI
19th Jul 20266210 AMAQI
19th Jul 20267911 AMAQI
19th Jul 20268512 PMAQI
19th Jul 20261001 PMAQI
19th Jul 20261152 PMAQI
19th Jul 20261183 PMAQI
19th Jul 20261294 PMAQI
19th Jul 20261345 PMAQI
19th Jul 20261226 PMAQI
19th Jul 20261257 PMAQI
19th Jul 20261158 PMAQI
19th Jul 20261059 PMAQI
19th Jul 202611010 PMAQI
19th Jul 202610911 PMAQI
20th Jul 202611112 AMAQI
20th Jul 20261051 AMAQI
20th Jul 20261022 AMAQI
20th Jul 2026973 AMAQI
20th Jul 2026994 AMAQI
20th Jul 2026905 AMAQI

26°C21/34°C

20th Jul 2026946 AMAQI
20th Jul 2026887 AMAQI
20th Jul 2026888 AMAQI
20th Jul 2026909 AMAQI
20th Jul 20268810 AMAQI
20th Jul 20268811 AMAQI
20th Jul 20269212 PMAQI
20th Jul 2026921 PMAQI
20th Jul 2026982 PMAQI
20th Jul 2026903 PMAQI
20th Jul 2026924 PMAQI
20th Jul 2026825 PMAQI
20th Jul 2026796 PMAQI
20th Jul 2026707 PMAQI
20th Jul 2026798 PMAQI
20th Jul 2026689 PMAQI
20th Jul 20267310 PMAQI
21st Jul 20267012 AMAQI
21st Jul 2026591 AMAQI
21st Jul 2026642 AMAQI
21st Jul 2026623 AMAQI
21st Jul 2026604 AMAQI
21st Jul 2026585 AMAQI

26°C18/35°C

21st Jul 2026636 AMAQI
21st Jul 2026607 AMAQI
21st Jul 2026638 AMAQI
21st Jul 2026609 AMAQI
21st Jul 20265510 AMAQI
21st Jul 20265611 AMAQI
21st Jul 20265212 PMAQI
21st Jul 2026401 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026404 PMAQI
21st Jul 2026295 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026547 PMAQI
21st Jul 2026298 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20263310 PMAQI
21st Jul 20263311 PMAQI
22nd Jul 20264012 AMAQI
22nd Jul 2026481 AMAQI
22nd Jul 2026502 AMAQI
22nd Jul 2026503 AMAQI
22nd Jul 2026534 AMAQI
22nd Jul 2026485 AMAQI

26°C22/35°C

22nd Jul 2026486 AMAQI
22nd Jul 2026427 AMAQI
22nd Jul 2026258 AMAQI
22nd Jul 2026299 AMAQI
22nd Jul 20263810 AMAQI
22nd Jul 20263311 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026331 PMAQI
22nd Jul 2026382 PMAQI
22nd Jul 2026333 PMAQI
22nd Jul 2026384 PMAQI
22nd Jul 2026305 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026267 PMAQI
22nd Jul 2026328 PMAQI
22nd Jul 2026269 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20263311 PMAQI
23rd Jul 20263612 AMAQI
23rd Jul 2026551 AMAQI
23rd Jul 2026422 AMAQI
23rd Jul 2026313 AMAQI
23rd Jul 2026274 AMAQI
23rd Jul 2026295 AMAQI

21°C17/28°C

23rd Jul 2026256 AMAQI
23rd Jul 2026217 AMAQI
23rd Jul 2026258 AMAQI
23rd Jul 2026339 AMAQI
23rd Jul 20264010 AMAQI
23rd Jul 20264411 AMAQI
23rd Jul 20264012 PMAQI
23rd Jul 2026151 PMAQI
23rd Jul 2026362 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026384 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026276 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026388 PMAQI
23rd Jul 2026329 PMAQI
23rd Jul 20262310 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262912 AMAQI
24th Jul 2026291 AMAQI
24th Jul 2026312 AMAQI
24th Jul 2026423 AMAQI
24th Jul 2026424 AMAQI
24th Jul 2026385 AMAQI

20°C12/29°C

24th Jul 2026316 AMAQI
24th Jul 2026387 AMAQI
24th Jul 2026448 AMAQI
24th Jul 2026509 AMAQI
24th Jul 20264610 AMAQI
24th Jul 20264811 AMAQI
24th Jul 20265012 PMAQI
24th Jul 2026381 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026253 PMAQI
24th Jul 2026344 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026216 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026218 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262910 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20262712 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026442 AMAQI
25th Jul 2026443 AMAQI
25th Jul 2026524 AMAQI
25th Jul 2026465 AMAQI

22°C14/30°C

25th Jul 2026516 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026408 AMAQI
25th Jul 2026519 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20264611 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026421 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026423 PMAQI
25th Jul 2026424 PMAQI
25th Jul 2026445 PMAQI
25th Jul 2026466 PMAQI
25th Jul 2026447 PMAQI
25th Jul 2026448 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20264610 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264812 AMAQI
26th Jul 2026481 AMAQI
26th Jul 2026512 AMAQI
26th Jul 2026493 AMAQI
26th Jul 2026484 AMAQI
26th Jul 2026495 AMAQI

23°C16/31°C

26th Jul 2026466 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026489 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20264411 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026301 PMAQI
26th Jul 2026402 PMAQI
26th Jul 2026273 PMAQI
26th Jul 2026404 PMAQI
26th Jul 2026365 PMAQI
26th Jul 2026486 PMAQI
26th Jul 2026387 PMAQI
26th Jul 2026368 PMAQI
26th Jul 2026409 PMAQI
26th Jul 20262510 PMAQI
26th Jul 20264011 PMAQI
27th Jul 20263212 AMAQI
27th Jul 2026381 AMAQI
27th Jul 2026482 AMAQI
27th Jul 2026463 AMAQI
27th Jul 2026444 AMAQI
27th Jul 2026505 AMAQI

23°C19/30°C

27th Jul 2026486 AMAQI
27th Jul 2026497 AMAQI
27th Jul 2026488 AMAQI
27th Jul 2026519 AMAQI
27th Jul 20265210 AMAQI
27th Jul 20265111 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026531 PMAQI
27th Jul 2026552 PMAQI
27th Jul 2026573 PMAQI
27th Jul 2026574 PMAQI
27th Jul 2026625 PMAQI
27th Jul 2026636 PMAQI
27th Jul 2026607 PMAQI
27th Jul 2026588 PMAQI
27th Jul 2026529 PMAQI
27th Jul 20264010 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20263012 AMAQI
28th Jul 2026381 AMAQI
28th Jul 2026322 AMAQI
28th Jul 2026253 AMAQI
28th Jul 2026314 AMAQI
28th Jul 2026295 AMAQI

26°C18/35°C

28th Jul 2026406 AMAQI
28th Jul 2026387 AMAQI
28th Jul 2026408 AMAQI
28th Jul 2026449 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20264911 AMAQI
28th Jul 20265212 PMAQI
28th Jul 2026491 PMAQI
28th Jul 2026512 PMAQI
28th Jul 2026493 PMAQI
28th Jul 2026464 PMAQI
28th Jul 2026385 PMAQI
28th Jul 2026426 PMAQI
28th Jul 2026347 PMAQI
28th Jul 2026388 PMAQI
28th Jul 2026409 PMAQI
28th Jul 20262710 PMAQI
28th Jul 20262711 PMAQI
29th Jul 20262712 AMAQI
29th Jul 2026381 AMAQI
29th Jul 2026402 AMAQI
29th Jul 2026443 AMAQI
29th Jul 2026464 AMAQI
29th Jul 2026445 AMAQI

26°C21/33°C

29th Jul 2026466 AMAQI
29th Jul 2026447 AMAQI
29th Jul 2026538 AMAQI
29th Jul 2026539 AMAQI
29th Jul 20265410 AMAQI
29th Jul 20265411 AMAQI
29th Jul 20265112 PMAQI
29th Jul 2026501 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026403 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026385 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026427 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20263410 PMAQI
29th Jul 20263811 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026502 AMAQI
30th Jul 2026533 AMAQI
30th Jul 2026474 AMAQI
30th Jul 2026445 AMAQI

24°C18/31°C

30th Jul 2026526 AMAQI
30th Jul 2026427 AMAQI
30th Jul 2026448 AMAQI
30th Jul 2026509 AMAQI
30th Jul 20265010 AMAQI
30th Jul 20264811 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026232 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026384 PMAQI
30th Jul 2026345 PMAQI
30th Jul 2026406 PMAQI
30th Jul 2026237 PMAQI
30th Jul 2026348 PMAQI
30th Jul 2026369 PMAQI
30th Jul 20264010 PMAQI
30th Jul 20263811 PMAQI
31st Jul 20263812 AMAQI
31st Jul 2026441 AMAQI
31st Jul 2026482 AMAQI
31st Jul 2026483 AMAQI
31st Jul 2026484 AMAQI
31st Jul 2026485 AMAQI

25°C16/33°C

31st Jul 2026506 AMAQI
31st Jul 2026467 AMAQI
31st Jul 2026518 AMAQI
31st Jul 2026539 AMAQI
31st Jul 20265810 AMAQI
31st Jul 20265811 AMAQI
31st Jul 20266012 PMAQI
31st Jul 2026581 PMAQI
31st Jul 2026522 PMAQI
31st Jul 2026513 PMAQI
31st Jul 2026524 PMAQI
31st Jul 2026535 PMAQI
31st Jul 2026526 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026528 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20265510 PMAQI
31st Jul 20265611 PMAQI
1st Aug 20265512 AMAQI
1st Aug 2026521 AMAQI
1st Aug 2026532 AMAQI
1st Aug 2026513 AMAQI
1st Aug 2026524 AMAQI
1st Aug 2026535 AMAQI

26°C18/35°C

1st Aug 2026496 AMAQI
1st Aug 2026487 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264410 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20264612 PMAQI
1st Aug 2026511 PMAQI
1st Aug 2026462 PMAQI
1st Aug 2026483 PMAQI
1st Aug 2026484 PMAQI
1st Aug 2026485 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026467 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026449 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264011 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026331 AMAQI
2nd Aug 2026252 AMAQI
2nd Aug 2026303 AMAQI
2nd Aug 2026404 AMAQI
2nd Aug 2026315 AMAQI

24°C21/29°C

2nd Aug 2026386 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026258 AMAQI
2nd Aug 2026259 AMAQI
2nd Aug 20264410 AMAQI
2nd Aug 20262911 AMAQI
2nd Aug 20263812 PMAQI
2nd Aug 2026421 PMAQI
2nd Aug 2026382 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026364 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026386 PMAQI
2nd Aug 2026387 PMAQI
2nd Aug 2026388 PMAQI
2nd Aug 2026279 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20262911 PMAQI
3rd Aug 20264412 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026362 AMAQI
3rd Aug 2026363 AMAQI
3rd Aug 2026464 AMAQI
3rd Aug 2026385 AMAQI

22°C18/25°C

3rd Aug 2026346 AMAQI
3rd Aug 2026367 AMAQI
3rd Aug 2026348 AMAQI
3rd Aug 2026409 AMAQI
3rd Aug 20264210 AMAQI
3rd Aug 20264611 AMAQI
3rd Aug 20264212 PMAQI
3rd Aug 2026231 PMAQI
3rd Aug 2026382 PMAQI
3rd Aug 2026343 PMAQI
3rd Aug 2026364 PMAQI
3rd Aug 2026325 PMAQI
3rd Aug 2026166 PMAQI
3rd Aug 202697 PMAQI
3rd Aug 2026318 PMAQI
3rd Aug 2026259 PMAQI
3rd Aug 20263410 PMAQI
3rd Aug 20263611 PMAQI
4th Aug 20264212 AMAQI
4th Aug 2026401 AMAQI
4th Aug 2026402 AMAQI
4th Aug 2026383 AMAQI
4th Aug 2026324 AMAQI
4th Aug 2026385 AMAQI

23°C17/31°C

4th Aug 2026296 AMAQI
4th Aug 2026297 AMAQI
4th Aug 2026298 AMAQI
4th Aug 2026259 AMAQI
4th Aug 20263410 AMAQI
4th Aug 20262511 AMAQI
4th Aug 20264212 PMAQI
4th Aug 2026291 PMAQI
4th Aug 2026402 PMAQI
4th Aug 2026423 PMAQI
4th Aug 2026234 PMAQI
4th Aug 2026145 PMAQI
4th Aug 2026216 PMAQI
4th Aug 2026367 PMAQI
4th Aug 2026278 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20263410 PMAQI
4th Aug 20264211 PMAQI
5th Aug 20263212 AMAQI
5th Aug 2026331 AMAQI
5th Aug 2026422 AMAQI
5th Aug 2026403 AMAQI
5th Aug 2026424 AMAQI
5th Aug 2026345 AMAQI

24°C16/33°C

5th Aug 2026386 AMAQI
6 AM
5th Aug 2026447 AMAQI
5th Aug 2026408 AMAQI
5th Aug 2026429 AMAQI
5th Aug 20264410 AMAQI
5th Aug 20264011 AMAQI
5th Aug 20264212 PMAQI
5th Aug 2026421 PMAQI
1 PM
5th Aug 2026422 PMAQI
5th Aug 2026463 PMAQI
5th Aug 2026294 PMAQI
5th Aug 2026345 PMAQI
5th Aug 2026236 PMAQI
5th Aug 2026257 PMAQI
5th Aug 2026348 PMAQI
5th Aug 2026449 PMAQI
9 PM
5th Aug 20264010 PMAQI
5th Aug 20264211 PMAQI
1 AM
5 AM

26°C18/35°C

Day time
Avg. Highest Time
9 AM - 12 PM

41AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
1 PM - 9 PM

38AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 12 PM (Avg. 41), while the lowest AQI was between 1 PM to 9 PM (Avg. 38).
Night time
Avg. Highest Time
1 AM - 5 AM

38AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
10 PM - 11 PM

34AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 5 AM (Avg. 38), while the lowest AQI was between 10 PM to 11 PM (Avg. 34).

2026 Days Vs Air Quality

Union, Kentucky, United States

2026

94%

202

6%

12

Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)

Good
202 Days
Moderate
12 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 94%

Health Risk Level:

Very Low

In 2026, 94% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Union, Kentucky, United States

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
23AQI (US)
2nd January 2026
32AQI (US)
3rd January 2026
50AQI (US)
4th January 2026
52AQI (US)
5th January 2026
40AQI (US)
6th January 2026
48AQI (US)
7th January 2026
44AQI (US)
8th January 2026
47AQI (US)
9th January 2026
35AQI (US)
10th January 2026
19AQI (US)
11th January 2026
18AQI (US)
12th January 2026
24AQI (US)
13th January 2026
26AQI (US)
14th January 2026
16AQI (US)
15th January 2026
12AQI (US)
16th January 2026
20AQI (US)
17th January 2026
28AQI (US)
18th January 2026
21AQI (US)
19th January 2026
19AQI (US)
20th January 2026
18AQI (US)
21st January 2026
36AQI (US)
22nd January 2026
43AQI (US)
23rd January 2026
45AQI (US)
24th January 2026
48AQI (US)
25th January 2026
51AQI (US)
26th January 2026
41AQI (US)
27th January 2026
24AQI (US)
28th January 2026
29AQI (US)
29th January 2026
42AQI (US)
30th January 2026
53AQI (US)
31st January 2026
33AQI (US)
1st February 2026
44AQI (US)
2nd February 2026
46AQI (US)
3rd February 2026
43AQI (US)
4th February 2026
34AQI (US)
5th February 2026
46AQI (US)
6th February 2026
40AQI (US)
7th February 2026
38AQI (US)
8th February 2026
31AQI (US)
9th February 2026
39AQI (US)
10th February 2026
38AQI (US)
11th February 2026
29AQI (US)
12th February 2026
25AQI (US)
13th February 2026
37AQI (US)
14th February 2026
34AQI (US)
15th February 2026
31AQI (US)
16th February 2026
37AQI (US)
17th February 2026
32AQI (US)
18th February 2026
36AQI (US)
19th February 2026
31AQI (US)
20th February 2026
28AQI (US)
21st February 2026
33AQI (US)
22nd February 2026
31AQI (US)
23rd February 2026
36AQI (US)
24th February 2026
31AQI (US)
25th February 2026
39AQI (US)
26th February 2026
24AQI (US)
27th February 2026
26AQI (US)
28th February 2026
26AQI (US)
1st March 2026
36AQI (US)
2nd March 2026
50AQI (US)
3rd March 2026
29AQI (US)
4th March 2026
37AQI (US)
5th March 2026
29AQI (US)
6th March 2026
22AQI (US)
7th March 2026
31AQI (US)
8th March 2026
37AQI (US)
9th March 2026
31AQI (US)
10th March 2026
23AQI (US)
11th March 2026
36AQI (US)
12th March 2026
38AQI (US)
13th March 2026
35AQI (US)
14th March 2026
35AQI (US)
15th March 2026
24AQI (US)
16th March 2026
34AQI (US)
17th March 2026
34AQI (US)
18th March 2026
27AQI (US)
19th March 2026
26AQI (US)
20th March 2026
40AQI (US)
21st March 2026
31AQI (US)
22nd March 2026
33AQI (US)
23rd March 2026
37AQI (US)
24th March 2026
28AQI (US)
25th March 2026
27AQI (US)
26th March 2026
28AQI (US)
27th March 2026
29AQI (US)
28th March 2026
31AQI (US)
29th March 2026
20AQI (US)
30th March 2026
20AQI (US)
31st March 2026
22AQI (US)
1st April 2026
23AQI (US)
2nd April 2026
15AQI (US)
3rd April 2026
16AQI (US)
4th April 2026
25AQI (US)
5th April 2026
29AQI (US)
6th April 2026
27AQI (US)
7th April 2026
28AQI (US)
8th April 2026
25AQI (US)
9th April 2026
22AQI (US)
10th April 2026
27AQI (US)
11th April 2026
28AQI (US)
12th April 2026
21AQI (US)
13th April 2026
23AQI (US)
14th April 2026
24AQI (US)
15th April 2026
28AQI (US)
16th April 2026
26AQI (US)
17th April 2026
18th April 2026
22AQI (US)
19th April 2026
22AQI (US)
20th April 2026
22AQI (US)
21st April 2026
19AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
24th April 2026
35AQI (US)
25th April 2026
14AQI (US)
26th April 2026
27AQI (US)
27th April 2026
19AQI (US)
28th April 2026
22AQI (US)
29th April 2026
22AQI (US)
30th April 2026
28AQI (US)
1st May 2026
21AQI (US)
2nd May 2026
18AQI (US)
3rd May 2026
20AQI (US)
4th May 2026
32AQI (US)
5th May 2026
33AQI (US)
6th May 2026
24AQI (US)
7th May 2026
21AQI (US)
8th May 2026
24AQI (US)
9th May 2026
10th May 2026
23AQI (US)
11th May 2026
21AQI (US)
12th May 2026
24AQI (US)
13th May 2026
24AQI (US)
14th May 2026
26AQI (US)
15th May 2026
35AQI (US)
16th May 2026
45AQI (US)
17th May 2026
53AQI (US)
18th May 2026
56AQI (US)
19th May 2026
54AQI (US)
20th May 2026
46AQI (US)
21st May 2026
44AQI (US)
22nd May 2026
40AQI (US)
23rd May 2026
50AQI (US)
24th May 2026
40AQI (US)
25th May 2026
40AQI (US)
26th May 2026
26AQI (US)
27th May 2026
24AQI (US)
28th May 2026
19AQI (US)
29th May 2026
20AQI (US)
30th May 2026
30AQI (US)
31st May 2026
28AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
25AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
25AQI (US)
5th June 2026
29AQI (US)
6th June 2026
26AQI (US)
7th June 2026
29AQI (US)
8th June 2026
23AQI (US)
9th June 2026
23AQI (US)
10th June 2026
26AQI (US)
11th June 2026
26AQI (US)
12th June 2026
24AQI (US)
13th June 2026
22AQI (US)
14th June 2026
22AQI (US)
15th June 2026
24AQI (US)
16th June 2026
26AQI (US)
17th June 2026
26AQI (US)
18th June 2026
25AQI (US)
19th June 2026
22AQI (US)
20th June 2026
20AQI (US)
21st June 2026
17AQI (US)
22nd June 2026
18AQI (US)
23rd June 2026
19AQI (US)
24th June 2026
20AQI (US)
25th June 2026
20AQI (US)
26th June 2026
22AQI (US)
27th June 2026
21AQI (US)
28th June 2026
20AQI (US)
29th June 2026
32AQI (US)
30th June 2026
53AQI (US)
1st July 2026
68AQI (US)
2nd July 2026
52AQI (US)
3rd July 2026
40AQI (US)
4th July 2026
24AQI (US)
5th July 2026
25AQI (US)
6th July 2026
24AQI (US)
7th July 2026
26AQI (US)
8th July 2026
28AQI (US)
9th July 2026
29AQI (US)
10th July 2026
21AQI (US)
11th July 2026
18AQI (US)
12th July 2026
19AQI (US)
13th July 2026
22AQI (US)
14th July 2026
22AQI (US)
15th July 2026
21AQI (US)
16th July 2026
23AQI (US)
17th July 2026
45AQI (US)
18th July 2026
43AQI (US)
19th July 2026
83AQI (US)
20th July 2026
89AQI (US)
21st July 2026
49AQI (US)
22nd July 2026
37AQI (US)
23rd July 2026
32AQI (US)
24th July 2026
34AQI (US)
25th July 2026
44AQI (US)
26th July 2026
42AQI (US)
27th July 2026
50AQI (US)
28th July 2026
39AQI (US)
29th July 2026
41AQI (US)
30th July 2026
41AQI (US)
31st July 2026
52AQI (US)
1st August 2026
48AQI (US)
2nd August 2026
35AQI (US)
3rd August 2026
34AQI (US)
4th August 2026
32AQI (US)
5th August 2026
38AQI (US)
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

33AQI (US)

34AQI (US)

31AQI (US)

24AQI (US)

32AQI (US)

25AQI (US)

38AQI (US)

37AQI (US)

No. of days

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

202631AQI (US)

28
3
28
31
28
27
3
29
1
26
5
5
202
12

Highest AQI (US) recorded in

July

38AQI (US)

Lowest AQI (US) recorded in

April

24AQI (US)

202537AQI (US)

4
1
30
31
21
9
23
8
27
4
25
5
23
8
28
2
25
6
237
43

Highest AQI (US) recorded in

June

43AQI (US)

Lowest AQI (US) recorded in

May

25AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
37AQI (US)
Least Polluted Year Recorded
2026(Avg.)
31AQI (US)

Union's annual 2026 AQI (US) (31) shows an average percentage change of -16.2% (improved AQI (US)) compared to previous years: 2025 (37).