Knoxville, Tennessee, 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+
October Air Quality Analysis
Knoxville, Tennessee, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Oct 2022
64AQILowest AQI recorded on
15th Oct 2023
8AQISame Day Analysis (29th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 20 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 29th Oct - 30th Oct 2025
Knoxville, Tennessee, United States
AQI
Day
Night
.
7 AM29th Oct 2025
7 PM
6 AM30th Oct 2025
Day time
Avg. Highest Time
1PM29th Oct
43AQI
Avg. Lowest Time
11AM29th Oct
11AQI
Night time
Avg. Highest Time
12AM30th Oct
21AQI
Avg. Lowest Time
6AM30th Oct
11AQI
In the last 24 hours,
Knoxville's AQI reached its highest point of 43 at 1 PM during the Day, while the lowest point, 11, was recorded at 6 AM during the Night between 29th Oct and 30th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Knoxville, Tennessee, United States
SepOct
30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 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
Day
Night
30th Sep 2025287 AMAQI
30th Sep 2025178 AMAQI
30th Sep 2025199 AMAQI
30th Sep 20252010 AMAQI
30th Sep 20252011 AMAQI
30th Sep 20252612 PMAQI
30th Sep 2025231 PMAQI
30th Sep 2025262 PMAQI
30th Sep 2025203 PMAQI
30th Sep 2025174 PMAQI
30th Sep 2025205 PMAQI
30th Sep 2025226 PMAQI
30th Sep 2025187 PMAQI
30th Sep 2025178 PMAQI
30th Sep 2025189 PMAQI
30th Sep 20252710 PMAQI
30th Sep 20253011 PMAQI
1st Oct 20252212 AMAQI
1st Oct 2025231 AMAQI
1st Oct 2025192 AMAQI
1st Oct 2025193 AMAQI
1st Oct 2025214 AMAQI
1st Oct 2025215 AMAQI
1st Oct 2025196 AMAQI
23°C18/32°C
1st Oct 2025187 AMAQI
1st Oct 2025198 AMAQI
1st Oct 2025189 AMAQI
1st Oct 20251810 AMAQI
1st Oct 20252211 AMAQI
1st Oct 20251912 PMAQI
1st Oct 2025281 PMAQI
1st Oct 2025392 PMAQI
1st Oct 2025243 PMAQI
1st Oct 2025174 PMAQI
1st Oct 2025165 PMAQI
1st Oct 2025166 PMAQI
1st Oct 2025167 PMAQI
1st Oct 2025168 PMAQI
1st Oct 2025159 PMAQI
1st Oct 20252010 PMAQI
1st Oct 20253211 PMAQI
2nd Oct 20253612 AMAQI
2nd Oct 2025371 AMAQI
2nd Oct 2025362 AMAQI
2nd Oct 2025473 AMAQI
2nd Oct 2025524 AMAQI
2nd Oct 2025485 AMAQI
2nd Oct 2025506 AMAQI
24°C17/33°C
2nd Oct 2025477 AMAQI
2nd Oct 2025478 AMAQI
2nd Oct 2025509 AMAQI
2nd Oct 20255210 AMAQI
2nd Oct 20255211 AMAQI
2nd Oct 20255312 PMAQI
2nd Oct 2025501 PMAQI
2nd Oct 2025512 PMAQI
2nd Oct 2025503 PMAQI
2nd Oct 2025534 PMAQI
2nd Oct 2025505 PMAQI
2nd Oct 2025506 PMAQI
2nd Oct 2025497 PMAQI
2nd Oct 2025508 PMAQI
2nd Oct 2025499 PMAQI
2nd Oct 20255210 PMAQI
2nd Oct 20255411 PMAQI
3rd Oct 20255512 AMAQI
3rd Oct 2025551 AMAQI
3rd Oct 2025562 AMAQI
3rd Oct 2025543 AMAQI
3rd Oct 2025534 AMAQI
3rd Oct 2025505 AMAQI
3rd Oct 2025446 AMAQI
21°C13/30°C
3rd Oct 2025357 AMAQI
3rd Oct 2025408 AMAQI
3rd Oct 2025399 AMAQI
3rd Oct 20254510 AMAQI
3rd Oct 20254511 AMAQI
3rd Oct 20254012 PMAQI
3rd Oct 2025481 PMAQI
3rd Oct 2025482 PMAQI
3rd Oct 2025473 PMAQI
3rd Oct 2025494 PMAQI
3rd Oct 2025485 PMAQI
3rd Oct 2025456 PMAQI
3rd Oct 2025477 PMAQI
3rd Oct 2025518 PMAQI
3rd Oct 2025519 PMAQI
3rd Oct 20254910 PMAQI
3rd Oct 20255111 PMAQI
4th Oct 20255812 AMAQI
4th Oct 2025591 AMAQI
4th Oct 2025582 AMAQI
4th Oct 2025593 AMAQI
4th Oct 2025584 AMAQI
4th Oct 2025565 AMAQI
4th Oct 2025566 AMAQI
21°C13/30°C
4th Oct 2025667 AMAQI
4th Oct 2025608 AMAQI
4th Oct 2025579 AMAQI
4th Oct 20255710 AMAQI
4th Oct 20255411 AMAQI
4th Oct 20255212 PMAQI
4th Oct 2025501 PMAQI
4th Oct 2025502 PMAQI
4th Oct 2025483 PMAQI
4th Oct 2025494 PMAQI
4th Oct 2025465 PMAQI
4th Oct 2025476 PMAQI
4th Oct 2025417 PMAQI
4th Oct 2025408 PMAQI
4th Oct 2025399 PMAQI
4th Oct 20254810 PMAQI
4th Oct 20255611 PMAQI
5th Oct 20256712 AMAQI
5th Oct 2025721 AMAQI
5th Oct 2025652 AMAQI
5th Oct 2025643 AMAQI
5th Oct 2025634 AMAQI
5th Oct 2025595 AMAQI
5th Oct 2025566 AMAQI
20°C13/30°C
5th Oct 2025547 AMAQI
5th Oct 2025538 AMAQI
5th Oct 2025519 AMAQI
5th Oct 20254710 AMAQI
5th Oct 20254611 AMAQI
5th Oct 20254112 PMAQI
5th Oct 2025381 PMAQI
5th Oct 2025392 PMAQI
5th Oct 2025233 PMAQI
5th Oct 2025154 PMAQI
5th Oct 2025135 PMAQI
5th Oct 2025196 PMAQI
5th Oct 2025347 PMAQI
5th Oct 2025218 PMAQI
5th Oct 2025159 PMAQI
5th Oct 20251410 PMAQI
5th Oct 20253211 PMAQI
6th Oct 20253912 AMAQI
6th Oct 2025261 AMAQI
6th Oct 2025212 AMAQI
6th Oct 2025213 AMAQI
6th Oct 2025164 AMAQI
6th Oct 2025125 AMAQI
6th Oct 2025176 AMAQI
21°C12/32°C
6th Oct 2025147 AMAQI
6th Oct 2025148 AMAQI
6th Oct 2025169 AMAQI
6th Oct 20251610 AMAQI
6th Oct 20251611 AMAQI
6th Oct 20253512 PMAQI
6th Oct 2025381 PMAQI
23°C16/33°C
7th Oct 2025357 AMAQI
7th Oct 2025298 AMAQI
7th Oct 2025259 AMAQI
7th Oct 20252110 AMAQI
7th Oct 20253711 AMAQI
7th Oct 20254312 PMAQI
7th Oct 2025301 PMAQI
7th Oct 2025462 PMAQI
7th Oct 2025463 PMAQI
7th Oct 2025414 PMAQI
7th Oct 2025255 PMAQI
7th Oct 2025166 PMAQI
7th Oct 2025327 PMAQI
7th Oct 2025218 PMAQI
7th Oct 2025139 PMAQI
7th Oct 20251310 PMAQI
7th Oct 20251311 PMAQI
8th Oct 20251412 AMAQI
8th Oct 2025131 AMAQI
8th Oct 2025302 AMAQI
8th Oct 2025393 AMAQI
8th Oct 2025394 AMAQI
8th Oct 2025395 AMAQI
8th Oct 2025396 AMAQI
23°C20/30°C
8th Oct 2025407 AMAQI
8th Oct 2025408 AMAQI
8th Oct 2025409 AMAQI
8th Oct 20253910 AMAQI
8th Oct 20254111 AMAQI
8th Oct 20252512 PMAQI
8th Oct 2025201 PMAQI
8th Oct 2025142 PMAQI
8th Oct 2025423 PMAQI
8th Oct 2025484 PMAQI
8th Oct 2025295 PMAQI
8th Oct 2025236 PMAQI
8th Oct 2025227 PMAQI
8th Oct 2025218 PMAQI
8th Oct 2025229 PMAQI
8th Oct 20251610 PMAQI
8th Oct 20251311 PMAQI
9th Oct 20251412 AMAQI
9th Oct 2025131 AMAQI
9th Oct 2025322 AMAQI
9th Oct 2025413 AMAQI
9th Oct 2025394 AMAQI
9th Oct 2025405 AMAQI
9th Oct 2025316 AMAQI
21°C16/25°C
9th Oct 2025257 AMAQI
9th Oct 2025338 AMAQI
9th Oct 2025479 AMAQI
9th Oct 20253010 AMAQI
9th Oct 20253111 AMAQI
9th Oct 20254212 PMAQI
9th Oct 2025301 PMAQI
9th Oct 2025182 PMAQI
9th Oct 2025473 PMAQI
9th Oct 2025544 PMAQI
9th Oct 2025465 PMAQI
9th Oct 2025376 PMAQI
9th Oct 2025347 PMAQI
9th Oct 2025438 PMAQI
9th Oct 2025479 PMAQI
9th Oct 20254710 PMAQI
9th Oct 20254411 PMAQI
10th Oct 20254712 AMAQI
10th Oct 2025471 AMAQI
10th Oct 2025452 AMAQI
10th Oct 2025483 AMAQI
10th Oct 2025554 AMAQI
10th Oct 2025525 AMAQI
10th Oct 2025536 AMAQI
18°C13/27°C
10th Oct 2025487 AMAQI
10th Oct 2025258 AMAQI
10th Oct 2025509 AMAQI
10th Oct 20253710 AMAQI
10th Oct 20252411 AMAQI
10th Oct 20253912 PMAQI
10th Oct 2025281 PMAQI
10th Oct 2025332 PMAQI
10th Oct 2025233 PMAQI
10th Oct 2025164 PMAQI
10th Oct 2025275 PMAQI
10th Oct 2025386 PMAQI
10th Oct 2025287 PMAQI
10th Oct 2025368 PMAQI
10th Oct 2025449 PMAQI
10th Oct 20254910 PMAQI
10th Oct 20254311 PMAQI
11th Oct 20253712 AMAQI
11th Oct 2025411 AMAQI
11th Oct 2025422 AMAQI
11th Oct 2025423 AMAQI
11th Oct 2025444 AMAQI
11th Oct 2025475 AMAQI
11th Oct 2025456 AMAQI
18°C11/26°C
11th Oct 2025497 AMAQI
11th Oct 2025428 AMAQI
11th Oct 2025449 AMAQI
11th Oct 20254010 AMAQI
11th Oct 20253911 AMAQI
11th Oct 20254612 PMAQI
11th Oct 2025471 PMAQI
11th Oct 2025422 PMAQI
11th Oct 2025263 PMAQI
11th Oct 2025174 PMAQI
11th Oct 2025335 PMAQI
11th Oct 2025506 PMAQI
11th Oct 2025287 PMAQI
11th Oct 2025328 PMAQI
11th Oct 2025239 PMAQI
11th Oct 20252010 PMAQI
11th Oct 20254111 PMAQI
12th Oct 20254912 AMAQI
12th Oct 2025531 AMAQI
12th Oct 2025612 AMAQI
12th Oct 2025623 AMAQI
12th Oct 2025564 AMAQI
12th Oct 2025565 AMAQI
12th Oct 2025566 AMAQI
17°C9/25°C
12th Oct 2025517 AMAQI
12th Oct 2025538 AMAQI
12th Oct 2025539 AMAQI
12th Oct 20254710 AMAQI
12th Oct 20254511 AMAQI
12th Oct 20254612 PMAQI
12th Oct 2025411 PMAQI
12th Oct 2025292 PMAQI
12th Oct 2025153 PMAQI
12th Oct 2025184 PMAQI
12th Oct 2025135 PMAQI
12th Oct 2025146 PMAQI
12th Oct 2025177 PMAQI
12th Oct 2025188 PMAQI
12th Oct 2025309 PMAQI
12th Oct 20252110 PMAQI
12th Oct 20253411 PMAQI
13th Oct 20252512 AMAQI
13th Oct 2025181 AMAQI
13th Oct 2025362 AMAQI
13th Oct 2025233 AMAQI
13th Oct 2025214 AMAQI
13th Oct 2025265 AMAQI
13th Oct 2025176 AMAQI
17°C9/26°C
13th Oct 2025197 AMAQI
13th Oct 2025168 AMAQI
13th Oct 2025319 AMAQI
13th Oct 20253910 AMAQI
13th Oct 20253911 AMAQI
13th Oct 20252512 PMAQI
13th Oct 2025191 PMAQI
13th Oct 2025272 PMAQI
13th Oct 2025323 PMAQI
13th Oct 2025174 PMAQI
13th Oct 2025215 PMAQI
13th Oct 2025276 PMAQI
13th Oct 2025297 PMAQI
13th Oct 2025178 PMAQI
13th Oct 2025179 PMAQI
13th Oct 20251710 PMAQI
13th Oct 20251811 PMAQI
14th Oct 20251812 AMAQI
14th Oct 2025221 AMAQI
14th Oct 2025222 AMAQI
14th Oct 2025243 AMAQI
14th Oct 2025304 AMAQI
14th Oct 2025295 AMAQI
14th Oct 2025256 AMAQI
18°C10/25°C
14th Oct 2025247 AMAQI
14th Oct 2025248 AMAQI
14th Oct 2025259 AMAQI
14th Oct 20253510 AMAQI
14th Oct 20253111 AMAQI
14th Oct 20254212 PMAQI
14th Oct 2025421 PMAQI
14th Oct 2025452 PMAQI
14th Oct 2025403 PMAQI
14th Oct 2025254 PMAQI
14th Oct 2025125 PMAQI
14th Oct 2025146 PMAQI
14th Oct 2025247 PMAQI
14th Oct 2025198 PMAQI
14th Oct 2025229 PMAQI
14th Oct 20251310 PMAQI
14th Oct 20251911 PMAQI
15th Oct 20252412 AMAQI
15th Oct 2025121 AMAQI
15th Oct 2025302 AMAQI
15th Oct 2025193 AMAQI
15th Oct 2025214 AMAQI
15th Oct 2025245 AMAQI
15th Oct 2025226 AMAQI
18°C10/29°C
15th Oct 2025247 AMAQI
15th Oct 2025358 AMAQI
15th Oct 2025389 AMAQI
15th Oct 20252910 AMAQI
15th Oct 20252911 AMAQI
15th Oct 20253812 PMAQI
15th Oct 2025401 PMAQI
15th Oct 2025312 PMAQI
15th Oct 2025303 PMAQI
15th Oct 2025314 PMAQI
15th Oct 2025415 PMAQI
15th Oct 2025476 PMAQI
15th Oct 2025247 PMAQI
15th Oct 2025228 PMAQI
15th Oct 2025339 PMAQI
15th Oct 20252510 PMAQI
15th Oct 20251811 PMAQI
16th Oct 20253312 AMAQI
16th Oct 2025391 AMAQI
16th Oct 2025282 AMAQI
16th Oct 2025253 AMAQI
16th Oct 2025354 AMAQI
16th Oct 2025215 AMAQI
16th Oct 2025146 AMAQI
19°C11/29°C
16th Oct 2025137 AMAQI
16th Oct 2025338 AMAQI
16th Oct 2025399 AMAQI
16th Oct 20252310 AMAQI
16th Oct 20251811 AMAQI
16th Oct 20252212 PMAQI
16th Oct 2025261 PMAQI
16th Oct 2025332 PMAQI
16th Oct 2025233 PMAQI
16th Oct 2025184 PMAQI
16th Oct 2025185 PMAQI
16th Oct 2025186 PMAQI
16th Oct 2025247 PMAQI
16th Oct 2025388 PMAQI
16th Oct 2025449 PMAQI
16th Oct 20253010 PMAQI
16th Oct 20253211 PMAQI
17th Oct 20252912 AMAQI
17th Oct 2025321 AMAQI
17th Oct 2025312 AMAQI
17th Oct 2025273 AMAQI
17th Oct 2025284 AMAQI
17th Oct 2025265 AMAQI
17th Oct 2025246 AMAQI
18°C11/26°C
17th Oct 2025247 AMAQI
17th Oct 2025168 AMAQI
17th Oct 2025149 AMAQI
17th Oct 20251510 AMAQI
17th Oct 20253411 AMAQI
17th Oct 20253212 PMAQI
17th Oct 2025331 PMAQI
17th Oct 2025302 PMAQI
17th Oct 2025273 PMAQI
17th Oct 2025244 PMAQI
17th Oct 2025335 PMAQI
17th Oct 2025396 PMAQI
17th Oct 2025407 PMAQI
17th Oct 2025428 PMAQI
17th Oct 2025519 PMAQI
17th Oct 20255610 PMAQI
17th Oct 20255811 PMAQI
18th Oct 20256112 AMAQI
18th Oct 2025621 AMAQI
18th Oct 2025582 AMAQI
18th Oct 2025583 AMAQI
18th Oct 2025574 AMAQI
18th Oct 2025585 AMAQI
18th Oct 2025576 AMAQI
18°C8/28°C
18th Oct 2025547 AMAQI
18th Oct 2025538 AMAQI
18th Oct 2025529 AMAQI
18th Oct 20255310 AMAQI
18th Oct 20255011 AMAQI
18th Oct 20255212 PMAQI
18th Oct 2025531 PMAQI
18th Oct 2025552 PMAQI
18th Oct 2025583 PMAQI
18th Oct 2025624 PMAQI
18th Oct 2025645 PMAQI
18th Oct 2025656 PMAQI
18th Oct 2025667 PMAQI
18th Oct 2025668 PMAQI
18th Oct 2025649 PMAQI
18th Oct 20256310 PMAQI
18th Oct 20256511 PMAQI
19th Oct 20256512 AMAQI
19th Oct 2025651 AMAQI
19th Oct 2025652 AMAQI
19th Oct 2025643 AMAQI
19th Oct 2025634 AMAQI
19th Oct 2025595 AMAQI
19th Oct 2025566 AMAQI
21°C11/31°C
19th Oct 2025567 AMAQI
19th Oct 2025518 AMAQI
19th Oct 2025489 AMAQI
19th Oct 20254810 AMAQI
19th Oct 20252611 AMAQI
19th Oct 20252612 PMAQI
19th Oct 2025301 PMAQI
19th Oct 2025352 PMAQI
19th Oct 2025263 PMAQI
19th Oct 2025254 PMAQI
19th Oct 2025245 PMAQI
19th Oct 2025246 PMAQI
19th Oct 2025257 PMAQI
19th Oct 2025218 PMAQI
19th Oct 2025229 PMAQI
19th Oct 20252210 PMAQI
19th Oct 20252211 PMAQI
20th Oct 20252212 AMAQI
20th Oct 2025231 AMAQI
20th Oct 2025232 AMAQI
20th Oct 2025233 AMAQI
20th Oct 2025234 AMAQI
20th Oct 2025235 AMAQI
20th Oct 2025226 AMAQI
17°C9/21°C
20th Oct 2025227 AMAQI
20th Oct 2025208 AMAQI
20th Oct 2025229 AMAQI
20th Oct 20252110 AMAQI
20th Oct 20252111 AMAQI
20th Oct 20252512 PMAQI
20th Oct 2025251 PMAQI
20th Oct 2025242 PMAQI
20th Oct 2025263 PMAQI
20th Oct 2025254 PMAQI
20th Oct 2025265 PMAQI
20th Oct 2025286 PMAQI
20th Oct 2025177 PMAQI
20th Oct 2025268 PMAQI
20th Oct 2025259 PMAQI
20th Oct 20252710 PMAQI
20th Oct 20252511 PMAQI
21st Oct 20252512 AMAQI
21st Oct 2025491 AMAQI
21st Oct 2025342 AMAQI
21st Oct 2025243 AMAQI
21st Oct 2025234 AMAQI
21st Oct 2025235 AMAQI
21st Oct 2025246 AMAQI
11°C5/20°C
21st Oct 2025247 AMAQI
21st Oct 2025258 AMAQI
21st Oct 2025259 AMAQI
21st Oct 20254210 AMAQI
21st Oct 20254611 AMAQI
21st Oct 20254112 PMAQI
21st Oct 2025381 PMAQI
21st Oct 2025352 PMAQI
21st Oct 2025373 PMAQI
21st Oct 2025434 PMAQI
21st Oct 2025445 PMAQI
21st Oct 2025486 PMAQI
21st Oct 2025497 PMAQI
21st Oct 2025448 PMAQI
21st Oct 2025409 PMAQI
21st Oct 20253810 PMAQI
21st Oct 20253911 PMAQI
22nd Oct 20253912 AMAQI
22nd Oct 2025391 AMAQI
22nd Oct 2025422 AMAQI
22nd Oct 2025423 AMAQI
22nd Oct 2025404 AMAQI
22nd Oct 2025395 AMAQI
22nd Oct 2025396 AMAQI
13°C6/23°C
22nd Oct 2025397 AMAQI
22nd Oct 2025398 AMAQI
22nd Oct 2025539 AMAQI
22nd Oct 20254310 AMAQI
22nd Oct 20253811 AMAQI
22nd Oct 20253412 PMAQI
22nd Oct 2025251 PMAQI
22nd Oct 2025192 PMAQI
22nd Oct 2025173 PMAQI
22nd Oct 2025174 PMAQI
22nd Oct 2025175 PMAQI
22nd Oct 2025176 PMAQI
22nd Oct 2025177 PMAQI
22nd Oct 2025188 PMAQI
22nd Oct 2025149 PMAQI
22nd Oct 20251610 PMAQI
22nd Oct 20251811 PMAQI
23rd Oct 20251912 AMAQI
23rd Oct 2025181 AMAQI
23rd Oct 2025262 AMAQI
23rd Oct 2025283 AMAQI
23rd Oct 2025224 AMAQI
23rd Oct 2025265 AMAQI
23rd Oct 2025286 AMAQI
13°C7/22°C
23rd Oct 2025237 AMAQI
23rd Oct 2025268 AMAQI
23rd Oct 2025319 AMAQI
23rd Oct 20254010 AMAQI
23rd Oct 20254211 AMAQI
23rd Oct 20253412 PMAQI
23rd Oct 2025291 PMAQI
23rd Oct 2025232 PMAQI
23rd Oct 2025193 PMAQI
23rd Oct 2025174 PMAQI
23rd Oct 2025175 PMAQI
23rd Oct 2025176 PMAQI
23rd Oct 2025177 PMAQI
23rd Oct 2025178 PMAQI
23rd Oct 2025219 PMAQI
23rd Oct 20252710 PMAQI
23rd Oct 20252311 PMAQI
24th Oct 20252212 AMAQI
24th Oct 2025181 AMAQI
24th Oct 2025172 AMAQI
24th Oct 2025173 AMAQI
24th Oct 2025184 AMAQI
24th Oct 2025175 AMAQI
24th Oct 2025176 AMAQI
12°C4/24°C
24th Oct 2025177 AMAQI
24th Oct 2025178 AMAQI
24th Oct 2025179 AMAQI
24th Oct 20252110 AMAQI
24th Oct 20252211 AMAQI
24th Oct 20252212 PMAQI
24th Oct 2025301 PMAQI
24th Oct 2025242 PMAQI
24th Oct 2025183 PMAQI
24th Oct 2025174 PMAQI
24th Oct 2025125 PMAQI
24th Oct 2025116 PMAQI
24th Oct 2025117 PMAQI
24th Oct 2025138 PMAQI
24th Oct 2025169 PMAQI
24th Oct 20252110 PMAQI
24th Oct 20253111 PMAQI
25th Oct 20254012 AMAQI
25th Oct 2025391 AMAQI
25th Oct 2025342 AMAQI
25th Oct 2025333 AMAQI
25th Oct 2025334 AMAQI
25th Oct 2025335 AMAQI
25th Oct 2025296 AMAQI
11°C3/21°C
25th Oct 2025287 AMAQI
25th Oct 2025238 AMAQI
25th Oct 2025279 AMAQI
25th Oct 20252810 AMAQI
25th Oct 20252711 AMAQI
25th Oct 20252312 PMAQI
25th Oct 2025271 PMAQI
25th Oct 2025232 PMAQI
25th Oct 2025223 PMAQI
25th Oct 2025194 PMAQI
25th Oct 2025175 PMAQI
25th Oct 2025176 PMAQI
25th Oct 2025177 PMAQI
25th Oct 2025178 PMAQI
25th Oct 2025179 PMAQI
25th Oct 20252610 PMAQI
25th Oct 20253911 PMAQI
26th Oct 20254212 AMAQI
26th Oct 2025531 AMAQI
26th Oct 2025572 AMAQI
26th Oct 2025563 AMAQI
26th Oct 2025594 AMAQI
26th Oct 2025575 AMAQI
26th Oct 2025456 AMAQI
12°C2/23°C
26th Oct 2025407 AMAQI
26th Oct 2025348 AMAQI
26th Oct 2025339 AMAQI
26th Oct 20252910 AMAQI
26th Oct 20252811 AMAQI
26th Oct 20252412 PMAQI
26th Oct 2025221 PMAQI
26th Oct 2025232 PMAQI
26th Oct 2025223 PMAQI
26th Oct 2025234 PMAQI
26th Oct 2025225 PMAQI
26th Oct 2025226 PMAQI
26th Oct 2025227 PMAQI
26th Oct 2025278 PMAQI
26th Oct 2025299 PMAQI
26th Oct 20252410 PMAQI
26th Oct 20252711 PMAQI
27th Oct 20252412 AMAQI
27th Oct 2025221 AMAQI
27th Oct 2025192 AMAQI
27th Oct 2025183 AMAQI
27th Oct 2025174 AMAQI
27th Oct 2025175 AMAQI
27th Oct 2025176 AMAQI
15°C10/22°C
27th Oct 2025177 AMAQI
27th Oct 2025178 AMAQI
27th Oct 2025179 AMAQI
27th Oct 20252110 AMAQI
27th Oct 20252211 AMAQI
27th Oct 20252212 PMAQI
27th Oct 2025181 PMAQI
27th Oct 2025122 PMAQI
27th Oct 2025113 PMAQI
27th Oct 2025114 PMAQI
27th Oct 2025255 PMAQI
27th Oct 2025146 PMAQI
27th Oct 2025117 PMAQI
27th Oct 2025118 PMAQI
27th Oct 2025119 PMAQI
27th Oct 20251110 PMAQI
27th Oct 20251111 PMAQI
28th Oct 20251612 AMAQI
28th Oct 2025171 AMAQI
28th Oct 2025122 AMAQI
28th Oct 2025103 AMAQI
28th Oct 2025154 AMAQI
28th Oct 2025125 AMAQI
28th Oct 2025116 AMAQI
12°C10/15°C
28th Oct 2025117 AMAQI
28th Oct 2025118 AMAQI
28th Oct 2025169 AMAQI
28th Oct 20251210 AMAQI
28th Oct 20251611 AMAQI
28th Oct 20251712 PMAQI
28th Oct 2025171 PMAQI
28th Oct 2025132 PMAQI
28th Oct 2025113 PMAQI
28th Oct 2025164 PMAQI
28th Oct 2025175 PMAQI
28th Oct 2025176 PMAQI
28th Oct 2025177 PMAQI
28th Oct 2025178 PMAQI
28th Oct 2025179 PMAQI
28th Oct 20251810 PMAQI
28th Oct 20252111 PMAQI
29th Oct 20252212 AMAQI
29th Oct 2025221 AMAQI
29th Oct 2025222 AMAQI
29th Oct 2025223 AMAQI
29th Oct 2025224 AMAQI
29th Oct 2025225 AMAQI
29th Oct 2025226 AMAQI
12°C10/15°C
29th Oct 2025187 AMAQI
29th Oct 2025178 AMAQI
29th Oct 2025139 AMAQI
29th Oct 20251110 AMAQI
29th Oct 20251111 AMAQI
29th Oct 20253712 PMAQI
29th Oct 2025431 PMAQI
29th Oct 2025172 PMAQI
29th Oct 2025293 PMAQI
29th Oct 2025204 PMAQI
29th Oct 2025265 PMAQI
29th Oct 2025286 PMAQI
29th Oct 2025147 PMAQI
29th Oct 2025178 PMAQI
29th Oct 2025139 PMAQI
29th Oct 20251110 PMAQI
29th Oct 20251111 PMAQI
30th Oct 20252112 AMAQI
30th Oct 2025131 AMAQI
30th Oct 2025202 AMAQI
30th Oct 2025133 AMAQI
30th Oct 2025114 AMAQI
30th Oct 2025115 AMAQI
30th Oct 2025116 AMAQI
12°C9/14°C
30th Oct 2025167 AMAQI
7 AM30th Oct 2025178 AMAQI
30th Oct 2025179 AMAQI
30th Oct 20251710 AMAQI
30th Oct 20251711 AMAQI
30th Oct 20251212 PMAQI
30th Oct 2025111 PMAQI
1 PM30th Oct 2025112 PMAQI
30th Oct 2025173 PMAQI
30th Oct 2025164 PMAQI
30th Oct 2025155 PMAQI
30th Oct 2025176 PMAQI
7 PM
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
9 AM
33AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM - 5 PM
27AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 9 AM (Avg. 33), while the lowest AQI was between 4 PM to 5 PM (Avg. 27).
Night time
Avg. Highest Time
2 AM - 5 AM
35AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 10 PM
28AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 5 AM (Avg. 35), while the lowest AQI was between 8 PM to 10 PM (Avg. 28).
2025 Days Vs Air Quality
Knoxville, Tennessee, United States
2025
89%
270
11%
32
Total number of days with different AQI categories in last 303 days in 2025 (62 days remaining)
Good
270 DaysModerate
32 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 303 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
Knoxville, Tennessee, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
20AQI
20AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
27AQI
27AQI
4th January 2025
23AQI
23AQI
5th January 2025
28AQI
28AQI
6th January 2025
21AQI
21AQI
7th January 2025
22AQI
22AQI
8th January 2025
27AQI
27AQI
9th January 2025
40AQI
40AQI
10th January 2025
43AQI
43AQI
11th January 2025
33AQI
33AQI
12th January 2025
47AQI
47AQI
13th January 2025
42AQI
42AQI
14th January 2025
24AQI
24AQI
15th January 2025
33AQI
33AQI
16th January 2025
33AQI
33AQI
17th January 2025
37AQI
37AQI
18th January 2025
37AQI
37AQI
19th January 2025
21AQI
21AQI
20th January 2025
22AQI
22AQI
21st January 2025
26AQI
26AQI
22nd January 2025
34AQI
34AQI
23rd January 2025
45AQI
45AQI
24th January 2025
38AQI
38AQI
25th January 2025
44AQI
44AQI
26th January 2025
41AQI
41AQI
27th January 2025
46AQI
46AQI
28th January 2025
34AQI
34AQI
29th January 2025
30AQI
30AQI
30th January 2025
38AQI
38AQI
31st January 2025
31AQI
31AQI
1st February 2025
27AQI
27AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
36AQI
36AQI
4th February 2025
39AQI
39AQI
5th February 2025
46AQI
46AQI
6th February 2025
36AQI
36AQI
7th February 2025
22AQI
22AQI
8th February 2025
30AQI
30AQI
9th February 2025
23AQI
23AQI
10th February 2025
25AQI
25AQI
11th February 2025
23AQI
23AQI
12th February 2025
24AQI
24AQI
13th February 2025
25AQI
25AQI
14th February 2025
28AQI
28AQI
15th February 2025
33AQI
33AQI
16th February 2025
27AQI
27AQI
17th February 2025
24AQI
24AQI
18th February 2025
24AQI
24AQI
19th February 2025
24AQI
24AQI
20th February 2025
26AQI
26AQI
21st February 2025
24AQI
24AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
40AQI
40AQI
24th February 2025
40AQI
40AQI
25th February 2025
40AQI
40AQI
26th February 2025
32AQI
32AQI
27th February 2025
38AQI
38AQI
28th February 2025
22AQI
22AQI
1st March 2025
29AQI
29AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
29AQI
29AQI
4th March 2025
35AQI
35AQI
5th March 2025
26AQI
26AQI
6th March 2025
25AQI
25AQI
7th March 2025
32AQI
32AQI
8th March 2025
35AQI
35AQI
9th March 2025
26AQI
26AQI
10th March 2025
33AQI
33AQI
11th March 2025
59AQI
59AQI
12th March 2025
58AQI
58AQI
13th March 2025
59AQI
59AQI
14th March 2025
41AQI
41AQI
15th March 2025
36AQI
36AQI
16th March 2025
35AQI
35AQI
17th March 2025
20AQI
20AQI
18th March 2025
27AQI
27AQI
19th March 2025
37AQI
37AQI
20th March 2025
24AQI
24AQI
21st March 2025
20AQI
20AQI
22nd March 2025
28AQI
28AQI
23rd March 2025
27AQI
27AQI
24th March 2025
24AQI
24AQI
25th March 2025
23AQI
23AQI
26th March 2025
27AQI
27AQI
27th March 2025
37AQI
37AQI
28th March 2025
54AQI
54AQI
29th March 2025
58AQI
58AQI
30th March 2025
44AQI
44AQI
31st March 2025
22AQI
22AQI
1st April 2025
19AQI
19AQI
2nd April 2025
30AQI
30AQI
3rd April 2025
39AQI
39AQI
4th April 2025
48AQI
48AQI
5th April 2025
44AQI
44AQI
6th April 2025
20AQI
20AQI
7th April 2025
15AQI
15AQI
8th April 2025
23AQI
23AQI
9th April 2025
21AQI
21AQI
10th April 2025
41AQI
41AQI
11th April 2025
36AQI
36AQI
12th April 2025
36AQI
36AQI
13th April 2025
33AQI
33AQI
14th April 2025
41AQI
41AQI
15th April 2025
31AQI
31AQI
16th April 2025
28AQI
28AQI
17th April 2025
43AQI
43AQI
18th April 2025
57AQI
57AQI
19th April 2025
57AQI
57AQI
20th April 2025
62AQI
62AQI
21st April 2025
49AQI
49AQI
22nd April 2025
43AQI
43AQI
23rd April 2025
31AQI
31AQI
24th April 2025
30AQI
30AQI
25th April 2025
41AQI
41AQI
26th April 2025
39AQI
39AQI
27th April 2025
27AQI
27AQI
28th April 2025
38AQI
38AQI
29th April 2025
47AQI
47AQI
30th April 2025
53AQI
53AQI
1st May 2025
46AQI
46AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
19AQI
19AQI
4th May 2025
18AQI
18AQI
5th May 2025
19AQI
19AQI
6th May 2025
27AQI
27AQI
7th May 2025
31AQI
31AQI
8th May 2025
39AQI
39AQI
9th May 2025
28AQI
28AQI
10th May 2025
25AQI
25AQI
11th May 2025
27AQI
27AQI
12th May 2025
18AQI
18AQI
13th May 2025
20AQI
20AQI
14th May 2025
31AQI
31AQI
15th May 2025
48AQI
48AQI
16th May 2025
50AQI
50AQI
17th May 2025
26AQI
26AQI
18th May 2025
30AQI
30AQI
19th May 2025
39AQI
39AQI
20th May 2025
40AQI
40AQI
21st May 2025
25AQI
25AQI
22nd May 2025
18AQI
18AQI
23rd May 2025
17AQI
17AQI
24th May 2025
24AQI
24AQI
25th May 2025
30AQI
30AQI
26th May 2025
25AQI
25AQI
27th May 2025
17AQI
17AQI
28th May 2025
20AQI
20AQI
29th May 2025
28AQI
28AQI
30th May 2025
20AQI
20AQI
31st May 2025
34AQI
34AQI
1st June 2025
50AQI
50AQI
2nd June 2025
51AQI
51AQI
3rd June 2025
58AQI
58AQI
4th June 2025
63AQI
63AQI
5th June 2025
59AQI
59AQI
6th June 2025
53AQI
53AQI
7th June 2025
30AQI
30AQI
8th June 2025
28AQI
28AQI
9th June 2025
37AQI
37AQI
10th June 2025
34AQI
34AQI
11th June 2025
55AQI
55AQI
12th June 2025
59AQI
59AQI
13th June 2025
36AQI
36AQI
14th June 2025
25AQI
25AQI
15th June 2025
27AQI
27AQI
16th June 2025
36AQI
36AQI
17th June 2025
25AQI
25AQI
18th June 2025
24AQI
24AQI
19th June 2025
25AQI
25AQI
20th June 2025
33AQI
33AQI
21st June 2025
43AQI
43AQI
22nd June 2025
45AQI
45AQI
23rd June 2025
53AQI
53AQI
24th June 2025
57AQI
57AQI
25th June 2025
52AQI
52AQI
26th June 2025
54AQI
54AQI
27th June 2025
48AQI
48AQI
28th June 2025
34AQI
34AQI
29th June 2025
36AQI
36AQI
30th June 2025
35AQI
35AQI
1st July 2025
37AQI
37AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
39AQI
39AQI
4th July 2025
52AQI
52AQI
5th July 2025
62AQI
62AQI
6th July 2025
59AQI
59AQI
7th July 2025
55AQI
55AQI
8th July 2025
54AQI
54AQI
9th July 2025
47AQI
47AQI
10th July 2025
34AQI
34AQI
11th July 2025
37AQI
37AQI
12th July 2025
39AQI
39AQI
13th July 2025
39AQI
39AQI
14th July 2025
32AQI
32AQI
15th July 2025
36AQI
36AQI
16th July 2025
36AQI
36AQI
17th July 2025
32AQI
32AQI
18th July 2025
28AQI
28AQI
19th July 2025
25AQI
25AQI
20th July 2025
41AQI
41AQI
21st July 2025
44AQI
44AQI
22nd July 2025
35AQI
35AQI
23rd July 2025
37AQI
37AQI
24th July 2025
47AQI
47AQI
25th July 2025
49AQI
49AQI
26th July 2025
30AQI
30AQI
27th July 2025
28AQI
28AQI
28th July 2025
26AQI
26AQI
29th July 2025
30AQI
30AQI
30th July 2025
41AQI
41AQI
31st July 2025
30AQI
30AQI
1st August 2025
39AQI
39AQI
2nd August 2025
40AQI
40AQI
3rd August 2025
25AQI
25AQI
4th August 2025
33AQI
33AQI
5th August 2025
27AQI
27AQI
6th August 2025
29AQI
29AQI
7th August 2025
33AQI
33AQI
8th August 2025
40AQI
40AQI
9th August 2025
53AQI
53AQI
10th August 2025
54AQI
54AQI
11th August 2025
33AQI
33AQI
12th August 2025
21AQI
21AQI
13th August 2025
23AQI
23AQI
14th August 2025
31AQI
31AQI
15th August 2025
46AQI
46AQI
16th August 2025
48AQI
48AQI
17th August 2025
44AQI
44AQI
18th August 2025
49AQI
49AQI
19th August 2025
46AQI
46AQI
20th August 2025
44AQI
44AQI
21st August 2025
39AQI
39AQI
22nd August 2025
43AQI
43AQI
23rd August 2025
34AQI
34AQI
24th August 2025
28AQI
28AQI
25th August 2025
25AQI
25AQI
26th August 2025
22AQI
22AQI
27th August 2025
23AQI
23AQI
28th August 2025
28AQI
28AQI
29th August 2025
39AQI
39AQI
30th August 2025
44AQI
44AQI
31st August 2025
35AQI
35AQI
1st September 2025
39AQI
39AQI
2nd September 2025
42AQI
42AQI
3rd September 2025
38AQI
38AQI
4th September 2025
35AQI
35AQI
5th September 2025
43AQI
43AQI
6th September 2025
50AQI
50AQI
7th September 2025
31AQI
31AQI
8th September 2025
27AQI
27AQI
9th September 2025
32AQI
32AQI
10th September 2025
42AQI
42AQI
11th September 2025
48AQI
48AQI
12th September 2025
41AQI
41AQI
13th September 2025
43AQI
43AQI
14th September 2025
53AQI
53AQI
15th September 2025
53AQI
53AQI
16th September 2025
56AQI
56AQI
17th September 2025
48AQI
48AQI
18th September 2025
45AQI
45AQI
19th September 2025
50AQI
50AQI
20th September 2025
47AQI
47AQI
21st September 2025
49AQI
49AQI
22nd September 2025
44AQI
44AQI
23rd September 2025
43AQI
43AQI
24th September 2025
50AQI
50AQI
25th September 2025
23AQI
23AQI
26th September 2025
23AQI
23AQI
27th September 2025
21AQI
21AQI
28th September 2025
27AQI
27AQI
29th September 2025
27AQI
27AQI
30th September 2025
23AQI
23AQI
1st October 2025
21AQI
21AQI
2nd October 2025
48AQI
48AQI
3rd October 2025
48AQI
48AQI
4th October 2025
52AQI
52AQI
5th October 2025
46AQI
46AQI
6th October 2025
21AQI
21AQI
7th October 2025
27AQI
27AQI
8th October 2025
28AQI
28AQI
9th October 2025
36AQI
36AQI
10th October 2025
41AQI
41AQI
11th October 2025
38AQI
38AQI
12th October 2025
39AQI
39AQI
13th October 2025
24AQI
24AQI
14th October 2025
25AQI
25AQI
15th October 2025
28AQI
28AQI
16th October 2025
27AQI
27AQI
17th October 2025
34AQI
34AQI
18th October 2025
59AQI
59AQI
19th October 2025
40AQI
40AQI
20th October 2025
24AQI
24AQI
21st October 2025
36AQI
36AQI
22nd October 2025
29AQI
29AQI
23rd October 2025
24AQI
24AQI
24th October 2025
18AQI
18AQI
25th October 2025
27AQI
27AQI
26th October 2025
35AQI
35AQI
27th October 2025
16AQI
16AQI
28th October 2025
15AQI
15AQI
29th October 2025
20AQI
20AQI
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
33AQI
30AQI
34AQI
37AQI
28AQI
42AQI
39AQI
36AQI
40AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
31
28
26
5
26
4
31
19
11
26
5
29
2
27
3
27
2
270
32
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
May28AQI
202433AQI
26
5
24
5
28
3
26
4
31
20
9
29
2
22
9
30
28
3
27
3
29
2
320
45
Highest AQI recorded in
August40AQI
Lowest AQI recorded in
September24AQI
202339AQI
26
5
24
4
24
7
23
7
25
6
17
11
2
22
7
2
25
6
28
2
30
1
21
8
25
6
290
70
4
Highest AQI recorded in
June56AQI
Lowest AQI recorded in
October29AQI
202236AQI
21
8
18
3
29
2
21
3
29
2
21
6
20
3
1
25
4
27
4
24
5
25
6
261
46
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
August28AQI
202139AQI
26
4
25
3
25
6
25
5
23
8
28
1
18
12
1
20
11
23
7
28
3
25
5
21
10
287
75
1
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
June33AQI
202036AQI
10
2
18
3
18
26
4
26
5
31
25
5
26
5
20
10
18
13
218
47
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
May27AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
39AQILeast Polluted Year Recorded
2024(Avg.)
33AQIKnoxville's annual 2025 AQI (35) shows an average percentage change of -2.9% (improved AQI) compared to previous years: 2020 (36), 2021 (39), 2022 (36), 2023 (39), 2024 (33).
