Durham Armory, Durham, North Carolina, 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
Durham Armory, Durham, North Carolina, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Oct 2025
59AQILowest AQI recorded on
2nd Oct 2022
14AQISame Day Analysis (20th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 20 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 20th Oct - 21st Oct 2025
Durham Armory, Durham, North Carolina, United States
AQI
Day
Night
.
7 AM20th Oct 2025
6 PM
6 AM21st Oct 2025
Day time
Avg. Highest Time
6PM20th Oct
24AQI
Avg. Lowest Time
4PM20th Oct
14AQI
Night time
Avg. Highest Time
4AM21st Oct
122AQI
Avg. Lowest Time
11PM20th Oct
19AQI
In the last 24 hours,
Durham Armory's AQI reached its highest point of 122 at 4 AM during the Night, while the lowest point, 14, was recorded at 4 PM during the Day between 20th Oct and 21st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Durham Armory, Durham, North Carolina, United States
SepOct
21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st
Day
Night
21st Sep 2025557 AMAQI
21st Sep 2025558 AMAQI
21st Sep 2025549 AMAQI
21st Sep 20255410 AMAQI
21st Sep 20255411 AMAQI
21st Sep 20255312 PMAQI
21st Sep 2025541 PMAQI
21st Sep 2025542 PMAQI
21st Sep 2025553 PMAQI
21st Sep 2025544 PMAQI
21st Sep 2025545 PMAQI
21st Sep 2025556 PMAQI
21st Sep 2025557 PMAQI
21st Sep 2025558 PMAQI
21st Sep 2025539 PMAQI
21st Sep 20255310 PMAQI
21st Sep 20255411 PMAQI
22nd Sep 20255312 AMAQI
22nd Sep 2025401 AMAQI
22nd Sep 2025422 AMAQI
22nd Sep 2025433 AMAQI
22nd Sep 2025444 AMAQI
22nd Sep 2025435 AMAQI
22nd Sep 2025446 AMAQI
24°C16/33°C
22nd Sep 2025427 AMAQI
22nd Sep 2025428 AMAQI
22nd Sep 2025409 AMAQI
22nd Sep 20253910 AMAQI
22nd Sep 20254211 AMAQI
22nd Sep 20254012 PMAQI
22nd Sep 2025391 PMAQI
22nd Sep 2025402 PMAQI
22nd Sep 2025443 PMAQI
22nd Sep 2025454 PMAQI
22nd Sep 2025465 PMAQI
22nd Sep 2025466 PMAQI
22nd Sep 2025457 PMAQI
22nd Sep 2025438 PMAQI
22nd Sep 2025449 PMAQI
22nd Sep 20254410 PMAQI
22nd Sep 20254411 PMAQI
23rd Sep 20254412 AMAQI
23rd Sep 2025461 AMAQI
23rd Sep 2025462 AMAQI
23rd Sep 2025453 AMAQI
23rd Sep 2025474 AMAQI
23rd Sep 2025475 AMAQI
23rd Sep 2025436 AMAQI
22°C15/32°C
23rd Sep 2025487 AMAQI
23rd Sep 2025488 AMAQI
23rd Sep 2025469 AMAQI
23rd Sep 20254510 AMAQI
23rd Sep 20254611 AMAQI
23rd Sep 20254512 PMAQI
23rd Sep 2025441 PMAQI
23rd Sep 2025482 PMAQI
23rd Sep 2025483 PMAQI
23rd Sep 2025484 PMAQI
23rd Sep 2025475 PMAQI
23rd Sep 2025496 PMAQI
23rd Sep 2025477 PMAQI
23rd Sep 2025448 PMAQI
23rd Sep 2025479 PMAQI
23rd Sep 20254810 PMAQI
23rd Sep 20255011 PMAQI
24th Sep 20255112 AMAQI
24th Sep 2025591 AMAQI
24th Sep 2025562 AMAQI
24th Sep 2025533 AMAQI
24th Sep 2025524 AMAQI
24th Sep 2025495 AMAQI
24th Sep 2025506 AMAQI
24°C14/34°C
24th Sep 2025487 AMAQI
24th Sep 2025498 AMAQI
24th Sep 2025529 AMAQI
24th Sep 20255210 AMAQI
24th Sep 20255311 AMAQI
24th Sep 20255312 PMAQI
24th Sep 2025521 PMAQI
24th Sep 2025522 PMAQI
24th Sep 2025523 PMAQI
24th Sep 2025524 PMAQI
24th Sep 2025515 PMAQI
24th Sep 2025526 PMAQI
24th Sep 2025527 PMAQI
24th Sep 2025528 PMAQI
24th Sep 2025529 PMAQI
24th Sep 20255010 PMAQI
24th Sep 20255011 PMAQI
25th Sep 20254312 AMAQI
25th Sep 2025431 AMAQI
25th Sep 2025342 AMAQI
25th Sep 2025353 AMAQI
25th Sep 2025364 AMAQI
25th Sep 2025265 AMAQI
25th Sep 2025236 AMAQI
26°C18/36°C
25th Sep 2025227 AMAQI
25th Sep 2025248 AMAQI
25th Sep 2025289 AMAQI
25th Sep 20252910 AMAQI
25th Sep 20253111 AMAQI
25th Sep 20253312 PMAQI
25th Sep 2025341 PMAQI
25th Sep 2025352 PMAQI
25th Sep 2025343 PMAQI
25th Sep 2025344 PMAQI
25th Sep 2025345 PMAQI
25th Sep 2025346 PMAQI
25th Sep 2025347 PMAQI
25th Sep 2025418 PMAQI
25th Sep 2025409 PMAQI
25th Sep 20253810 PMAQI
25th Sep 20253111 PMAQI
26th Sep 20252812 AMAQI
26th Sep 2025281 AMAQI
26th Sep 2025282 AMAQI
26th Sep 2025313 AMAQI
26th Sep 2025324 AMAQI
26th Sep 2025285 AMAQI
26th Sep 2025286 AMAQI
27°C22/34°C
26th Sep 2025257 AMAQI
26th Sep 2025238 AMAQI
26th Sep 2025279 AMAQI
26th Sep 20252710 AMAQI
26th Sep 20252611 AMAQI
26th Sep 20252812 PMAQI
26th Sep 2025301 PMAQI
26th Sep 2025312 PMAQI
26th Sep 2025323 PMAQI
26th Sep 2025334 PMAQI
26th Sep 2025355 PMAQI
26th Sep 2025416 PMAQI
26th Sep 2025467 PMAQI
26th Sep 2025508 PMAQI
26th Sep 2025519 PMAQI
26th Sep 20255310 PMAQI
26th Sep 20255211 PMAQI
27th Sep 20254712 AMAQI
27th Sep 2025371 AMAQI
27th Sep 2025332 AMAQI
27th Sep 2025313 AMAQI
27th Sep 2025304 AMAQI
27th Sep 2025285 AMAQI
27th Sep 2025296 AMAQI
26°C22/32°C
27th Sep 2025287 AMAQI
27th Sep 2025288 AMAQI
27th Sep 2025329 AMAQI
27th Sep 20253010 AMAQI
27th Sep 20252711 AMAQI
27th Sep 20252712 PMAQI
27th Sep 2025281 PMAQI
27th Sep 2025302 PMAQI
27th Sep 2025333 PMAQI
27th Sep 2025334 PMAQI
27th Sep 2025335 PMAQI
27th Sep 2025336 PMAQI
27th Sep 2025337 PMAQI
27th Sep 2025318 PMAQI
27th Sep 2025289 PMAQI
27th Sep 20252810 PMAQI
27th Sep 20252811 PMAQI
28th Sep 20252612 AMAQI
28th Sep 2025251 AMAQI
28th Sep 2025272 AMAQI
28th Sep 2025273 AMAQI
28th Sep 2025264 AMAQI
28th Sep 2025245 AMAQI
28th Sep 2025226 AMAQI
23°C21/26°C
28th Sep 2025237 AMAQI
28th Sep 2025248 AMAQI
28th Sep 2025229 AMAQI
28th Sep 20252210 AMAQI
28th Sep 20252411 AMAQI
28th Sep 20252612 PMAQI
28th Sep 2025181 PMAQI
28th Sep 2025182 PMAQI
28th Sep 2025243 PMAQI
28th Sep 2025234 PMAQI
28th Sep 2025225 PMAQI
28th Sep 2025226 PMAQI
28th Sep 2025297 PMAQI
28th Sep 2025268 PMAQI
28th Sep 2025279 PMAQI
28th Sep 20252810 PMAQI
28th Sep 20253211 PMAQI
29th Sep 20252912 AMAQI
29th Sep 2025271 AMAQI
29th Sep 2025222 AMAQI
29th Sep 2025273 AMAQI
29th Sep 2025284 AMAQI
29th Sep 2025285 AMAQI
29th Sep 2025286 AMAQI
23°C20/26°C
29th Sep 2025257 AMAQI
29th Sep 2025298 AMAQI
29th Sep 2025329 AMAQI
29th Sep 20253710 AMAQI
29th Sep 20252811 AMAQI
29th Sep 20253112 PMAQI
29th Sep 2025321 PMAQI
29th Sep 2025242 PMAQI
29th Sep 2025303 PMAQI
29th Sep 2025274 PMAQI
29th Sep 2025165 PMAQI
29th Sep 2025226 PMAQI
29th Sep 2025327 PMAQI
29th Sep 2025268 PMAQI
29th Sep 2025319 PMAQI
29th Sep 20254510 PMAQI
29th Sep 20253611 PMAQI
30th Sep 20253612 AMAQI
30th Sep 2025281 AMAQI
30th Sep 2025232 AMAQI
30th Sep 2025223 AMAQI
30th Sep 2025244 AMAQI
30th Sep 2025385 AMAQI
30th Sep 2025276 AMAQI
20°C19/22°C
30th Sep 2025317 AMAQI
30th Sep 2025268 AMAQI
30th Sep 2025199 AMAQI
30th Sep 20252410 AMAQI
30th Sep 20252011 AMAQI
30th Sep 20252212 PMAQI
30th Sep 2025251 PMAQI
30th Sep 2025492 PMAQI
30th Sep 2025463 PMAQI
30th Sep 2025504 PMAQI
30th Sep 2025475 PMAQI
30th Sep 2025416 PMAQI
30th Sep 2025387 PMAQI
30th Sep 2025438 PMAQI
30th Sep 2025319 PMAQI
30th Sep 20255010 PMAQI
30th Sep 20255211 PMAQI
1st Oct 20255112 AMAQI
1st Oct 2025501 AMAQI
1st Oct 2025522 AMAQI
1st Oct 2025513 AMAQI
1st Oct 2025534 AMAQI
1st Oct 2025535 AMAQI
1st Oct 2025516 AMAQI
21°C18/26°C
1st Oct 2025517 AMAQI
1st Oct 2025468 AMAQI
1st Oct 2025499 AMAQI
1st Oct 20255010 AMAQI
1st Oct 20255211 AMAQI
1st Oct 20255212 PMAQI
1st Oct 2025521 PMAQI
1st Oct 2025492 PMAQI
1st Oct 2025483 PMAQI
1st Oct 2025504 PMAQI
1st Oct 2025535 PMAQI
1st Oct 2025516 PMAQI
1st Oct 2025517 PMAQI
1st Oct 2025498 PMAQI
1st Oct 2025459 PMAQI
1st Oct 20253710 PMAQI
1st Oct 20254111 PMAQI
2nd Oct 20254412 AMAQI
2nd Oct 2025461 AMAQI
2nd Oct 2025402 AMAQI
2nd Oct 2025363 AMAQI
2nd Oct 2025424 AMAQI
2nd Oct 2025435 AMAQI
2nd Oct 2025446 AMAQI
19°C15/24°C
2nd Oct 2025417 AMAQI
2nd Oct 2025398 AMAQI
2nd Oct 2025409 AMAQI
2nd Oct 20253510 AMAQI
2nd Oct 20253911 AMAQI
2nd Oct 20253612 PMAQI
2nd Oct 2025341 PMAQI
2nd Oct 2025372 PMAQI
2nd Oct 2025373 PMAQI
2nd Oct 2025374 PMAQI
2nd Oct 2025335 PMAQI
2nd Oct 2025356 PMAQI
2nd Oct 2025337 PMAQI
2nd Oct 2025478 PMAQI
2nd Oct 2025529 PMAQI
2nd Oct 20255110 PMAQI
2nd Oct 20255011 PMAQI
3rd Oct 20254412 AMAQI
3rd Oct 2025421 AMAQI
3rd Oct 2025422 AMAQI
3rd Oct 2025303 AMAQI
3rd Oct 2025334 AMAQI
3rd Oct 2025295 AMAQI
3rd Oct 2025246 AMAQI
16°C10/24°C
3rd Oct 2025277 AMAQI
3rd Oct 2025318 AMAQI
3rd Oct 2025319 AMAQI
3rd Oct 20253410 AMAQI
3rd Oct 20253811 AMAQI
3rd Oct 20253812 PMAQI
3rd Oct 2025381 PMAQI
3rd Oct 2025362 PMAQI
3rd Oct 2025423 PMAQI
3rd Oct 2025414 PMAQI
3rd Oct 2025465 PMAQI
3rd Oct 2025456 PMAQI
3rd Oct 2025457 PMAQI
3rd Oct 2025518 PMAQI
3rd Oct 2025549 PMAQI
3rd Oct 20255610 PMAQI
3rd Oct 20255611 PMAQI
4th Oct 20255712 AMAQI
4th Oct 2025541 AMAQI
4th Oct 2025552 AMAQI
4th Oct 2025533 AMAQI
4th Oct 2025524 AMAQI
4th Oct 2025525 AMAQI
4th Oct 2025496 AMAQI
16°C9/25°C
4th Oct 2025477 AMAQI
4th Oct 2025468 AMAQI
4th Oct 2025459 AMAQI
4th Oct 20255210 AMAQI
4th Oct 20254611 AMAQI
4th Oct 20254512 PMAQI
4th Oct 2025481 PMAQI
4th Oct 2025502 PMAQI
4th Oct 2025483 PMAQI
4th Oct 2025504 PMAQI
4th Oct 2025525 PMAQI
4th Oct 2025526 PMAQI
4th Oct 2025457 PMAQI
4th Oct 2025548 PMAQI
4th Oct 2025569 PMAQI
4th Oct 20255810 PMAQI
4th Oct 20256211 PMAQI
5th Oct 20256212 AMAQI
5th Oct 2025591 AMAQI
5th Oct 2025592 AMAQI
5th Oct 2025563 AMAQI
5th Oct 2025554 AMAQI
5th Oct 2025555 AMAQI
5th Oct 2025546 AMAQI
18°C10/28°C
5th Oct 2025507 AMAQI
5th Oct 2025518 AMAQI
5th Oct 2025539 AMAQI
5th Oct 20255510 AMAQI
5th Oct 20255411 AMAQI
5th Oct 20255212 PMAQI
5th Oct 2025481 PMAQI
5th Oct 2025402 PMAQI
5th Oct 2025383 PMAQI
5th Oct 2025204 PMAQI
5th Oct 2025165 PMAQI
5th Oct 2025316 PMAQI
5th Oct 2025467 PMAQI
5th Oct 2025488 PMAQI
5th Oct 2025529 PMAQI
5th Oct 20255510 PMAQI
5th Oct 20255611 PMAQI
6th Oct 20256112 AMAQI
6th Oct 2025611 AMAQI
6th Oct 2025612 AMAQI
6th Oct 2025583 AMAQI
6th Oct 2025544 AMAQI
6th Oct 2025555 AMAQI
6th Oct 2025546 AMAQI
19°C11/27°C
6th Oct 2025527 AMAQI
6th Oct 2025518 AMAQI
6th Oct 2025519 AMAQI
6th Oct 20255510 AMAQI
6th Oct 20255111 AMAQI
6th Oct 20254612 PMAQI
6th Oct 2025441 PMAQI
21°C14/31°C
7th Oct 2025357 AMAQI
7th Oct 2025368 AMAQI
7th Oct 2025469 AMAQI
7th Oct 20255010 AMAQI
7th Oct 20254711 AMAQI
7th Oct 20254512 PMAQI
7th Oct 2025401 PMAQI
7th Oct 2025392 PMAQI
7th Oct 2025433 PMAQI
7th Oct 2025404 PMAQI
7th Oct 2025245 PMAQI
7th Oct 2025206 PMAQI
7th Oct 2025367 PMAQI
7th Oct 2025408 PMAQI
7th Oct 2025449 PMAQI
7th Oct 20254710 PMAQI
7th Oct 20254911 PMAQI
8th Oct 20253912 AMAQI
8th Oct 2025451 AMAQI
8th Oct 2025352 AMAQI
8th Oct 2025343 AMAQI
8th Oct 2025404 AMAQI
8th Oct 2025345 AMAQI
8th Oct 2025406 AMAQI
22°C14/32°C
8th Oct 2025407 AMAQI
8th Oct 2025438 AMAQI
8th Oct 2025449 AMAQI
8th Oct 20254810 AMAQI
8th Oct 20254711 AMAQI
8th Oct 20253812 PMAQI
8th Oct 2025441 PMAQI
8th Oct 2025482 PMAQI
8th Oct 2025483 PMAQI
8th Oct 2025394 PMAQI
8th Oct 2025405 PMAQI
8th Oct 2025386 PMAQI
8th Oct 2025217 PMAQI
8th Oct 2025148 PMAQI
8th Oct 2025129 PMAQI
8th Oct 20251410 PMAQI
8th Oct 20251611 PMAQI
9th Oct 20251712 AMAQI
9th Oct 2025131 AMAQI
9th Oct 202582 AMAQI
9th Oct 2025303 AMAQI
9th Oct 2025234 AMAQI
9th Oct 2025165 AMAQI
9th Oct 2025146 AMAQI
23°C18/30°C
9th Oct 2025157 AMAQI
9th Oct 2025168 AMAQI
9th Oct 2025319 AMAQI
9th Oct 20252310 AMAQI
9th Oct 20251511 AMAQI
9th Oct 20253212 PMAQI
9th Oct 2025401 PMAQI
9th Oct 2025392 PMAQI
9th Oct 2025423 PMAQI
9th Oct 2025374 PMAQI
9th Oct 2025385 PMAQI
9th Oct 2025376 PMAQI
9th Oct 2025437 PMAQI
9th Oct 2025478 PMAQI
9th Oct 2025509 PMAQI
9th Oct 20255210 PMAQI
9th Oct 20255011 PMAQI
10th Oct 20254812 AMAQI
10th Oct 2025491 AMAQI
10th Oct 2025492 AMAQI
10th Oct 2025403 AMAQI
10th Oct 2025384 AMAQI
10th Oct 2025385 AMAQI
10th Oct 2025406 AMAQI
17°C11/24°C
10th Oct 2025387 AMAQI
10th Oct 2025378 AMAQI
10th Oct 2025399 AMAQI
10th Oct 20253810 AMAQI
10th Oct 20254211 AMAQI
10th Oct 20254012 PMAQI
10th Oct 2025281 PMAQI
10th Oct 2025402 PMAQI
10th Oct 2025393 PMAQI
10th Oct 2025374 PMAQI
10th Oct 2025415 PMAQI
10th Oct 2025446 PMAQI
10th Oct 2025487 PMAQI
10th Oct 2025408 PMAQI
10th Oct 2025389 PMAQI
10th Oct 20254510 PMAQI
10th Oct 20254811 PMAQI
11th Oct 20254412 AMAQI
11th Oct 2025401 AMAQI
11th Oct 2025392 AMAQI
11th Oct 2025293 AMAQI
11th Oct 2025254 AMAQI
11th Oct 2025225 AMAQI
11th Oct 2025196 AMAQI
15°C10/20°C
11th Oct 2025207 AMAQI
11th Oct 2025258 AMAQI
11th Oct 2025199 AMAQI
11th Oct 20252010 AMAQI
11th Oct 20252011 AMAQI
11th Oct 20253412 PMAQI
11th Oct 2025381 PMAQI
11th Oct 2025402 PMAQI
11th Oct 2025513 PMAQI
11th Oct 2025484 PMAQI
11th Oct 2025435 PMAQI
11th Oct 2025426 PMAQI
11th Oct 2025407 PMAQI
11th Oct 2025438 PMAQI
11th Oct 2025459 PMAQI
11th Oct 20254510 PMAQI
11th Oct 20254411 PMAQI
12th Oct 20254112 AMAQI
12th Oct 2025431 AMAQI
12th Oct 2025302 AMAQI
12th Oct 2025223 AMAQI
12th Oct 2025154 AMAQI
12th Oct 2025145 AMAQI
12th Oct 2025136 AMAQI
16°C12/22°C
12th Oct 2025187 AMAQI
12th Oct 2025258 AMAQI
12th Oct 2025239 AMAQI
12th Oct 20251610 AMAQI
12th Oct 20251411 AMAQI
12th Oct 20251312 PMAQI
12th Oct 2025181 PMAQI
12th Oct 2025242 PMAQI
12th Oct 2025183 PMAQI
12th Oct 2025134 PMAQI
12th Oct 202585 PMAQI
12th Oct 202596 PMAQI
12th Oct 2025147 PMAQI
12th Oct 2025118 PMAQI
12th Oct 2025209 PMAQI
12th Oct 20251410 PMAQI
12th Oct 20251311 PMAQI
13th Oct 20251512 AMAQI
13th Oct 2025181 AMAQI
13th Oct 2025132 AMAQI
13th Oct 2025133 AMAQI
13th Oct 2025344 AMAQI
13th Oct 2025385 AMAQI
13th Oct 2025206 AMAQI
17°C15/18°C
13th Oct 2025147 AMAQI
13th Oct 2025208 AMAQI
13th Oct 2025299 AMAQI
13th Oct 20252610 AMAQI
13th Oct 20252411 AMAQI
13th Oct 20251112 PMAQI
13th Oct 2025121 PMAQI
13th Oct 2025182 PMAQI
13th Oct 2025383 PMAQI
13th Oct 2025214 PMAQI
13th Oct 2025165 PMAQI
13th Oct 2025246 PMAQI
13th Oct 2025367 PMAQI
13th Oct 2025408 PMAQI
13th Oct 2025469 PMAQI
13th Oct 20254410 PMAQI
13th Oct 20254411 PMAQI
14th Oct 20254312 AMAQI
14th Oct 2025391 AMAQI
14th Oct 2025402 AMAQI
14th Oct 2025213 AMAQI
14th Oct 2025184 AMAQI
14th Oct 2025165 AMAQI
14th Oct 2025166 AMAQI
17°C15/23°C
14th Oct 2025167 AMAQI
14th Oct 2025168 AMAQI
14th Oct 2025169 AMAQI
14th Oct 20251510 AMAQI
14th Oct 20251611 AMAQI
14th Oct 20251612 PMAQI
14th Oct 2025181 PMAQI
14th Oct 2025202 PMAQI
14th Oct 2025223 PMAQI
14th Oct 2025204 PMAQI
14th Oct 2025135 PMAQI
14th Oct 2025126 PMAQI
14th Oct 2025207 PMAQI
14th Oct 2025388 PMAQI
14th Oct 2025469 PMAQI
14th Oct 20254610 PMAQI
14th Oct 20254211 PMAQI
15th Oct 20254012 AMAQI
15th Oct 2025421 AMAQI
15th Oct 2025192 AMAQI
15th Oct 2025343 AMAQI
15th Oct 2025304 AMAQI
15th Oct 2025275 AMAQI
15th Oct 2025296 AMAQI
17°C13/23°C
15th Oct 2025177 AMAQI
15th Oct 2025288 AMAQI
15th Oct 2025249 AMAQI
15th Oct 20252010 AMAQI
15th Oct 20253211 AMAQI
15th Oct 20253912 PMAQI
15th Oct 2025411 PMAQI
15th Oct 2025372 PMAQI
15th Oct 2025383 PMAQI
15th Oct 2025404 PMAQI
15th Oct 2025385 PMAQI
15th Oct 2025416 PMAQI
15th Oct 2025387 PMAQI
15th Oct 2025258 PMAQI
15th Oct 2025429 PMAQI
15th Oct 20255610 PMAQI
15th Oct 20255711 PMAQI
16th Oct 20255612 AMAQI
16th Oct 2025561 AMAQI
16th Oct 2025522 AMAQI
16th Oct 2025523 AMAQI
16th Oct 2025514 AMAQI
16th Oct 2025525 AMAQI
16th Oct 2025496 AMAQI
18°C12/26°C
16th Oct 2025517 AMAQI
16th Oct 2025518 AMAQI
16th Oct 2025489 AMAQI
16th Oct 20254510 AMAQI
16th Oct 20254311 AMAQI
16th Oct 20254312 PMAQI
16th Oct 2025381 PMAQI
16th Oct 2025422 PMAQI
16th Oct 2025413 PMAQI
16th Oct 2025384 PMAQI
16th Oct 2025245 PMAQI
16th Oct 2025336 PMAQI
16th Oct 2025437 PMAQI
16th Oct 2025548 PMAQI
16th Oct 2025529 PMAQI
16th Oct 20255510 PMAQI
16th Oct 20255611 PMAQI
17th Oct 20255912 AMAQI
17th Oct 2025541 AMAQI
17th Oct 2025522 AMAQI
17th Oct 2025533 AMAQI
17th Oct 2025474 AMAQI
17th Oct 2025395 AMAQI
17th Oct 2025386 AMAQI
16°C11/24°C
17th Oct 2025407 AMAQI
17th Oct 2025418 AMAQI
17th Oct 2025399 AMAQI
17th Oct 20254210 AMAQI
17th Oct 20254211 AMAQI
17th Oct 20253812 PMAQI
17th Oct 2025361 PMAQI
17th Oct 2025392 PMAQI
17th Oct 2025423 PMAQI
17th Oct 2025404 PMAQI
17th Oct 2025465 PMAQI
17th Oct 2025446 PMAQI
17th Oct 2025457 PMAQI
17th Oct 2025528 PMAQI
17th Oct 2025489 PMAQI
17th Oct 20255410 PMAQI
17th Oct 20256011 PMAQI
18th Oct 20256312 AMAQI
18th Oct 2025541 AMAQI
18th Oct 2025512 AMAQI
18th Oct 2025573 AMAQI
18th Oct 2025554 AMAQI
18th Oct 2025545 AMAQI
18th Oct 2025536 AMAQI
13°C5/23°C
18th Oct 2025547 AMAQI
18th Oct 2025578 AMAQI
18th Oct 2025569 AMAQI
18th Oct 20255510 AMAQI
18th Oct 20255711 AMAQI
18th Oct 20255512 PMAQI
18th Oct 2025561 PMAQI
18th Oct 2025572 PMAQI
18th Oct 2025603 PMAQI
18th Oct 2025604 PMAQI
18th Oct 2025685 PMAQI
18th Oct 2025626 PMAQI
18th Oct 2025717 PMAQI
18th Oct 2025658 PMAQI
18th Oct 2025619 PMAQI
18th Oct 20256310 PMAQI
18th Oct 20256411 PMAQI
19th Oct 20256412 AMAQI
19th Oct 2025621 AMAQI
19th Oct 2025592 AMAQI
19th Oct 2025583 AMAQI
19th Oct 2025574 AMAQI
19th Oct 2025595 AMAQI
19th Oct 2025606 AMAQI
16°C7/28°C
19th Oct 2025597 AMAQI
19th Oct 2025598 AMAQI
19th Oct 2025619 AMAQI
19th Oct 20256010 AMAQI
19th Oct 20255311 AMAQI
19th Oct 20255612 PMAQI
19th Oct 2025551 PMAQI
19th Oct 2025552 PMAQI
19th Oct 2025323 PMAQI
19th Oct 2025194 PMAQI
19th Oct 2025185 PMAQI
19th Oct 2025196 PMAQI
19th Oct 2025247 PMAQI
19th Oct 2025178 PMAQI
19th Oct 2025169 PMAQI
19th Oct 20251610 PMAQI
19th Oct 20251611 PMAQI
20th Oct 20251312 AMAQI
20th Oct 2025151 AMAQI
20th Oct 2025152 AMAQI
20th Oct 2025153 AMAQI
20th Oct 2025214 AMAQI
20th Oct 2025235 AMAQI
20th Oct 2025236 AMAQI
19°C14/28°C
20th Oct 2025227 AMAQI
20th Oct 2025238 AMAQI
20th Oct 2025239 AMAQI
20th Oct 20251610 AMAQI
20th Oct 20251511 AMAQI
20th Oct 20251912 PMAQI
20th Oct 2025201 PMAQI
20th Oct 2025212 PMAQI
20th Oct 2025163 PMAQI
20th Oct 2025144 PMAQI
20th Oct 2025155 PMAQI
20th Oct 2025246 PMAQI
20th Oct 2025207 PMAQI
20th Oct 2025238 PMAQI
20th Oct 2025239 PMAQI
20th Oct 20252610 PMAQI
20th Oct 20251911 PMAQI
21st Oct 20252012 AMAQI
21st Oct 2025221 AMAQI
21st Oct 20251062 AMAQI
21st Oct 20251183 AMAQI
21st Oct 20251224 AMAQI
21st Oct 20251125 AMAQI
21st Oct 2025696 AMAQI
15°C8/22°C
21st Oct 2025607 AMAQI
7 AM21st Oct 2025608 AMAQI
21st Oct 2025619 AMAQI
21st Oct 20256610 AMAQI
21st Oct 20256511 AMAQI
21st Oct 20255712 PMAQI
12 PM21st Oct 2025531 PMAQI
21st Oct 2025502 PMAQI
21st Oct 2025493 PMAQI
21st Oct 2025494 PMAQI
21st Oct 2025505 PMAQI
21st Oct 2025546 PMAQI
6 PM21st Oct 2025557 PMAQI
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
2 PM - 3 PM
40AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 AM - 1 PM
37AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 3 PM (Avg. 40), while the lowest AQI was between 7 AM to 1 PM (Avg. 37).
Night time
Avg. Highest Time
10 PM - 11 PM
44AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM
37AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 44), while the lowest AQI was between 6 AM to 6 AM (Avg. 37).
2025 Days Vs Air Quality
Durham Armory, Durham, North Carolina, United States
2025
90%
265
10%
28
Total number of days with different AQI categories in last 294 days in 2025 (71 days remaining)
Good
265 DaysModerate
28 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 294 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
Durham Armory, Durham, North Carolina, 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
23AQI
23AQI
2nd January 2025
26AQI
26AQI
3rd January 2025
31AQI
31AQI
4th January 2025
23AQI
23AQI
5th January 2025
27AQI
27AQI
6th January 2025
23AQI
23AQI
7th January 2025
25AQI
25AQI
8th January 2025
27AQI
27AQI
9th January 2025
27AQI
27AQI
10th January 2025
40AQI
40AQI
11th January 2025
40AQI
40AQI
12th January 2025
39AQI
39AQI
13th January 2025
46AQI
46AQI
14th January 2025
29AQI
29AQI
15th January 2025
34AQI
34AQI
16th January 2025
45AQI
45AQI
17th January 2025
35AQI
35AQI
18th January 2025
42AQI
42AQI
19th January 2025
44AQI
44AQI
20th January 2025
25AQI
25AQI
21st January 2025
30AQI
30AQI
22nd January 2025
36AQI
36AQI
23rd January 2025
52AQI
52AQI
24th January 2025
48AQI
48AQI
25th January 2025
48AQI
48AQI
26th January 2025
51AQI
51AQI
27th January 2025
44AQI
44AQI
28th January 2025
39AQI
39AQI
29th January 2025
29AQI
29AQI
30th January 2025
31AQI
31AQI
31st January 2025
39AQI
39AQI
1st February 2025
28AQI
28AQI
2nd February 2025
26AQI
26AQI
3rd February 2025
44AQI
44AQI
4th February 2025
48AQI
48AQI
5th February 2025
32AQI
32AQI
6th February 2025
46AQI
46AQI
7th February 2025
37AQI
37AQI
8th February 2025
34AQI
34AQI
9th February 2025
35AQI
35AQI
10th February 2025
28AQI
28AQI
11th February 2025
35AQI
35AQI
12th February 2025
23AQI
23AQI
13th February 2025
22AQI
22AQI
14th February 2025
27AQI
27AQI
15th February 2025
26AQI
26AQI
16th February 2025
21AQI
21AQI
17th February 2025
24AQI
24AQI
18th February 2025
24AQI
24AQI
19th February 2025
30AQI
30AQI
20th February 2025
27AQI
27AQI
21st February 2025
26AQI
26AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
40AQI
40AQI
24th February 2025
40AQI
40AQI
25th February 2025
47AQI
47AQI
26th February 2025
43AQI
43AQI
27th February 2025
58AQI
58AQI
28th February 2025
26AQI
26AQI
1st March 2025
35AQI
35AQI
2nd March 2025
26AQI
26AQI
3rd March 2025
33AQI
33AQI
4th March 2025
41AQI
41AQI
5th March 2025
33AQI
33AQI
6th March 2025
26AQI
26AQI
7th March 2025
34AQI
34AQI
8th March 2025
49AQI
49AQI
9th March 2025
28AQI
28AQI
10th March 2025
34AQI
34AQI
11th March 2025
37AQI
37AQI
12th March 2025
47AQI
47AQI
13th March 2025
62AQI
62AQI
14th March 2025
60AQI
60AQI
15th March 2025
51AQI
51AQI
16th March 2025
32AQI
32AQI
17th March 2025
30AQI
30AQI
18th March 2025
22AQI
22AQI
19th March 2025
29AQI
29AQI
20th March 2025
30AQI
30AQI
21st March 2025
20AQI
20AQI
22nd March 2025
22AQI
22AQI
23rd March 2025
21AQI
21AQI
24th March 2025
28AQI
28AQI
25th March 2025
26AQI
26AQI
26th March 2025
28AQI
28AQI
27th March 2025
27AQI
27AQI
28th March 2025
48AQI
48AQI
29th March 2025
42AQI
42AQI
30th March 2025
41AQI
41AQI
31st March 2025
38AQI
38AQI
1st April 2025
28AQI
28AQI
2nd April 2025
31AQI
31AQI
3rd April 2025
29AQI
29AQI
4th April 2025
32AQI
32AQI
5th April 2025
30AQI
30AQI
6th April 2025
18AQI
18AQI
7th April 2025
23AQI
23AQI
8th April 2025
29AQI
29AQI
9th April 2025
32AQI
32AQI
10th April 2025
34AQI
34AQI
11th April 2025
33AQI
33AQI
12th April 2025
28AQI
28AQI
13th April 2025
29AQI
29AQI
14th April 2025
42AQI
42AQI
15th April 2025
39AQI
39AQI
16th April 2025
30AQI
30AQI
17th April 2025
41AQI
41AQI
18th April 2025
53AQI
53AQI
19th April 2025
44AQI
44AQI
20th April 2025
51AQI
51AQI
21st April 2025
47AQI
47AQI
22nd April 2025
49AQI
49AQI
23rd April 2025
41AQI
41AQI
24th April 2025
48AQI
48AQI
25th April 2025
46AQI
46AQI
26th April 2025
36AQI
36AQI
27th April 2025
26AQI
26AQI
28th April 2025
28AQI
28AQI
29th April 2025
45AQI
45AQI
30th April 2025
51AQI
51AQI
1st May 2025
48AQI
48AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
33AQI
33AQI
4th May 2025
23AQI
23AQI
5th May 2025
32AQI
32AQI
6th May 2025
32AQI
32AQI
7th May 2025
34AQI
34AQI
8th May 2025
42AQI
42AQI
9th May 2025
30AQI
30AQI
10th May 2025
28AQI
28AQI
11th May 2025
42AQI
42AQI
12th May 2025
30AQI
30AQI
13th May 2025
25AQI
25AQI
14th May 2025
30AQI
30AQI
15th May 2025
40AQI
40AQI
16th May 2025
50AQI
50AQI
17th May 2025
34AQI
34AQI
18th May 2025
31AQI
31AQI
19th May 2025
31AQI
31AQI
20th May 2025
35AQI
35AQI
21st May 2025
34AQI
34AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
21AQI
21AQI
24th May 2025
26AQI
26AQI
25th May 2025
29AQI
29AQI
26th May 2025
35AQI
35AQI
27th May 2025
24AQI
24AQI
28th May 2025
22AQI
22AQI
29th May 2025
29AQI
29AQI
30th May 2025
25AQI
25AQI
31st May 2025
39AQI
39AQI
1st June 2025
42AQI
42AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
38AQI
38AQI
4th June 2025
54AQI
54AQI
5th June 2025
36AQI
36AQI
6th June 2025
45AQI
45AQI
7th June 2025
34AQI
34AQI
8th June 2025
37AQI
37AQI
9th June 2025
35AQI
35AQI
10th June 2025
37AQI
37AQI
11th June 2025
47AQI
47AQI
12th June 2025
47AQI
47AQI
13th June 2025
35AQI
35AQI
14th June 2025
28AQI
28AQI
15th June 2025
34AQI
34AQI
16th June 2025
27AQI
27AQI
17th June 2025
29AQI
29AQI
18th June 2025
39AQI
39AQI
19th June 2025
35AQI
35AQI
20th June 2025
27AQI
27AQI
21st June 2025
39AQI
39AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
54AQI
54AQI
24th June 2025
57AQI
57AQI
25th June 2025
59AQI
59AQI
26th June 2025
51AQI
51AQI
27th June 2025
48AQI
48AQI
28th June 2025
42AQI
42AQI
29th June 2025
41AQI
41AQI
30th June 2025
47AQI
47AQI
1st July 2025
39AQI
39AQI
2nd July 2025
33AQI
33AQI
3rd July 2025
34AQI
34AQI
4th July 2025
52AQI
52AQI
5th July 2025
73AQI
73AQI
6th July 2025
40AQI
40AQI
7th July 2025
30AQI
30AQI
8th July 2025
54AQI
54AQI
9th July 2025
45AQI
45AQI
10th July 2025
30AQI
30AQI
11th July 2025
30AQI
30AQI
12th July 2025
39AQI
39AQI
13th July 2025
35AQI
35AQI
14th July 2025
34AQI
34AQI
15th July 2025
28AQI
28AQI
16th July 2025
28AQI
28AQI
17th July 2025
34AQI
34AQI
18th July 2025
32AQI
32AQI
19th July 2025
28AQI
28AQI
20th July 2025
24AQI
24AQI
21st July 2025
38AQI
38AQI
22nd July 2025
32AQI
32AQI
23rd July 2025
52AQI
52AQI
24th July 2025
37AQI
37AQI
25th July 2025
35AQI
35AQI
26th July 2025
40AQI
40AQI
27th July 2025
39AQI
39AQI
28th July 2025
24AQI
24AQI
29th July 2025
33AQI
33AQI
30th July 2025
28AQI
28AQI
31st July 2025
36AQI
36AQI
1st August 2025
32AQI
32AQI
2nd August 2025
28AQI
28AQI
3rd August 2025
37AQI
37AQI
4th August 2025
37AQI
37AQI
5th August 2025
32AQI
32AQI
6th August 2025
28AQI
28AQI
7th August 2025
37AQI
37AQI
8th August 2025
77AQI
77AQI
9th August 2025
51AQI
51AQI
10th August 2025
35AQI
35AQI
11th August 2025
25AQI
25AQI
12th August 2025
22AQI
22AQI
13th August 2025
23AQI
23AQI
14th August 2025
31AQI
31AQI
15th August 2025
45AQI
45AQI
16th August 2025
45AQI
45AQI
17th August 2025
44AQI
44AQI
18th August 2025
43AQI
43AQI
19th August 2025
29AQI
29AQI
20th August 2025
26AQI
26AQI
21st August 2025
26AQI
26AQI
22nd August 2025
24AQI
24AQI
23rd August 2025
38AQI
38AQI
24th August 2025
36AQI
36AQI
25th August 2025
36AQI
36AQI
26th August 2025
29AQI
29AQI
27th August 2025
29AQI
29AQI
28th August 2025
36AQI
36AQI
29th August 2025
42AQI
42AQI
30th August 2025
38AQI
38AQI
31st August 2025
33AQI
33AQI
1st September 2025
28AQI
28AQI
2nd September 2025
27AQI
27AQI
3rd September 2025
36AQI
36AQI
4th September 2025
42AQI
42AQI
5th September 2025
49AQI
49AQI
6th September 2025
59AQI
59AQI
7th September 2025
44AQI
44AQI
8th September 2025
30AQI
30AQI
9th September 2025
30AQI
30AQI
10th September 2025
29AQI
29AQI
11th September 2025
30AQI
30AQI
12th September 2025
39AQI
39AQI
13th September 2025
46AQI
46AQI
14th September 2025
52AQI
52AQI
15th September 2025
50AQI
50AQI
16th September 2025
46AQI
46AQI
17th September 2025
36AQI
36AQI
18th September 2025
30AQI
30AQI
19th September 2025
36AQI
36AQI
20th September 2025
55AQI
55AQI
21st September 2025
55AQI
55AQI
22nd September 2025
43AQI
43AQI
23rd September 2025
46AQI
46AQI
24th September 2025
52AQI
52AQI
25th September 2025
34AQI
34AQI
26th September 2025
35AQI
35AQI
27th September 2025
31AQI
31AQI
28th September 2025
25AQI
25AQI
29th September 2025
29AQI
29AQI
30th September 2025
34AQI
34AQI
1st October 2025
49AQI
49AQI
2nd October 2025
41AQI
41AQI
3rd October 2025
40AQI
40AQI
4th October 2025
52AQI
52AQI
5th October 2025
50AQI
50AQI
6th October 2025
57AQI
57AQI
7th October 2025
40AQI
40AQI
8th October 2025
34AQI
34AQI
9th October 2025
31AQI
31AQI
10th October 2025
41AQI
41AQI
11th October 2025
35AQI
35AQI
12th October 2025
18AQI
18AQI
13th October 2025
27AQI
27AQI
14th October 2025
25AQI
25AQI
15th October 2025
35AQI
35AQI
16th October 2025
47AQI
47AQI
17th October 2025
46AQI
46AQI
18th October 2025
59AQI
59AQI
19th October 2025
43AQI
43AQI
20th October 2025
20AQI
20AQI
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
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
35AQI
33AQI
35AQI
36AQI
32AQI
41AQI
37AQI
35AQI
39AQI
40AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
29
2
27
1
28
3
27
3
31
25
5
27
4
29
2
25
5
17
3
265
28
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
May32AQI
202440AQI
25
6
17
12
25
6
18
12
26
5
28
1
27
3
23
8
30
31
29
1
27
4
306
58
Highest AQI recorded in
February49AQI
Lowest AQI recorded in
November32AQI
202335AQI
31
28
28
3
27
3
30
1
17
11
2
24
6
1
31
30
31
22
7
24
7
323
38
3
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
January26AQI
202232AQI
27
4
20
1
30
1
23
1
30
1
29
1
22
1
1
29
25
1
30
29
2
295
13
Highest AQI recorded in
June39AQI
Lowest AQI recorded in
November27AQI
202135AQI
29
1
26
1
28
3
27
3
29
2
29
1
22
9
21
10
25
1
31
28
2
23
5
318
38
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
February26AQI
202033AQI
8
3
20
1
18
28
1
1
29
1
31
28
2
31
28
2
27
4
248
14
1
Highest AQI recorded in
March43AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
40AQILeast Polluted Year Recorded
2022(Avg.)
32AQIDurham Armory's annual 2025 AQI (36) shows an average percentage change of 3.9% (worsened AQI) compared to previous years: 2020 (33), 2021 (35), 2022 (32), 2023 (35), 2024 (40).
