Winston Salem, 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+
August Air Quality Analysis
Winston Salem, North Carolina, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2023
70AQILowest AQI recorded on
31st Aug 2021
18AQISame Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Winston Salem, North Carolina, United States
AQI
Day
Night
.
6 AM12th Aug 2025
8 PM
5 AM13th Aug 2025
Day time
Avg. Highest Time
6AM12th Aug
29AQI
Avg. Lowest Time
6PM12th Aug
18AQI
Night time
Avg. Highest Time
3AM13th Aug
37AQI
Avg. Lowest Time
9PM12th Aug
20AQI
In the last 24 hours,
Winston Salem's AQI reached its highest point of 37 at 3 AM during the Night, while the lowest point, 18, was recorded at 6 PM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Winston Salem, North Carolina, United States
JulAug
14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
14th Jul 2025366 AMAQI
14th Jul 2025367 AMAQI
14th Jul 2025398 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20254110 AMAQI
14th Jul 20254111 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025401 PMAQI
14th Jul 2025402 PMAQI
14th Jul 2025393 PMAQI
14th Jul 2025394 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025386 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025398 PMAQI
14th Jul 2025359 PMAQI
14th Jul 20253310 PMAQI
14th Jul 20253211 PMAQI
15th Jul 20253512 AMAQI
15th Jul 2025311 AMAQI
15th Jul 2025322 AMAQI
15th Jul 2025313 AMAQI
15th Jul 2025294 AMAQI
15th Jul 2025305 AMAQI
29°C23/34°C
15th Jul 2025316 AMAQI
15th Jul 2025317 AMAQI
15th Jul 2025338 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20253410 AMAQI
15th Jul 20253811 AMAQI
15th Jul 20254312 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025452 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025444 PMAQI
15th Jul 2025435 PMAQI
15th Jul 2025416 PMAQI
15th Jul 2025357 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025329 PMAQI
15th Jul 20253010 PMAQI
15th Jul 20252911 PMAQI
16th Jul 20253012 AMAQI
16th Jul 2025281 AMAQI
16th Jul 2025292 AMAQI
16th Jul 2025293 AMAQI
16th Jul 2025304 AMAQI
16th Jul 2025305 AMAQI
25°C22/28°C
16th Jul 2025326 AMAQI
16th Jul 2025347 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20253410 AMAQI
16th Jul 20253411 AMAQI
16th Jul 20253412 PMAQI
16th Jul 2025331 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025333 PMAQI
16th Jul 2025334 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025336 PMAQI
16th Jul 2025337 PMAQI
16th Jul 2025328 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253311 PMAQI
17th Jul 20253312 AMAQI
17th Jul 2025311 AMAQI
17th Jul 2025312 AMAQI
17th Jul 2025313 AMAQI
17th Jul 2025324 AMAQI
17th Jul 2025345 AMAQI
27°C23/31°C
17th Jul 2025336 AMAQI
17th Jul 2025347 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025369 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20254112 PMAQI
17th Jul 2025411 PMAQI
17th Jul 2025402 PMAQI
17th Jul 2025403 PMAQI
17th Jul 2025394 PMAQI
17th Jul 2025345 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025347 PMAQI
17th Jul 2025338 PMAQI
17th Jul 2025299 PMAQI
17th Jul 20253110 PMAQI
17th Jul 20253111 PMAQI
18th Jul 20253112 AMAQI
18th Jul 2025301 AMAQI
18th Jul 2025312 AMAQI
18th Jul 2025303 AMAQI
18th Jul 2025314 AMAQI
18th Jul 2025305 AMAQI
27°C24/31°C
18th Jul 2025306 AMAQI
18th Jul 2025297 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253210 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253212 PMAQI
18th Jul 2025321 PMAQI
18th Jul 2025322 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025318 PMAQI
18th Jul 2025289 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20253011 PMAQI
19th Jul 20252912 AMAQI
19th Jul 2025271 AMAQI
19th Jul 2025262 AMAQI
19th Jul 2025273 AMAQI
19th Jul 2025264 AMAQI
19th Jul 2025255 AMAQI
28°C23/35°C
19th Jul 2025246 AMAQI
19th Jul 2025237 AMAQI
19th Jul 2025238 AMAQI
19th Jul 2025249 AMAQI
19th Jul 20252410 AMAQI
19th Jul 20252411 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025242 PMAQI
19th Jul 2025253 PMAQI
19th Jul 2025254 PMAQI
19th Jul 2025255 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025257 PMAQI
19th Jul 2025258 PMAQI
19th Jul 2025259 PMAQI
19th Jul 20252510 PMAQI
19th Jul 20252711 PMAQI
20th Jul 20252612 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025292 AMAQI
20th Jul 2025283 AMAQI
20th Jul 2025284 AMAQI
20th Jul 2025275 AMAQI
27°C23/31°C
20th Jul 2025266 AMAQI
20th Jul 2025267 AMAQI
20th Jul 2025268 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20252610 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025362 PMAQI
20th Jul 2025373 PMAQI
20th Jul 2025394 PMAQI
20th Jul 2025385 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025318 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253710 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025362 AMAQI
21st Jul 2025363 AMAQI
21st Jul 2025364 AMAQI
21st Jul 2025365 AMAQI
30°C23/37°C
21st Jul 2025386 AMAQI
21st Jul 2025387 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025429 AMAQI
21st Jul 20254310 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254412 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025482 PMAQI
21st Jul 2025493 PMAQI
21st Jul 2025484 PMAQI
21st Jul 2025415 PMAQI
21st Jul 2025386 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025369 PMAQI
21st Jul 20253510 PMAQI
21st Jul 20253811 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025341 AMAQI
22nd Jul 2025322 AMAQI
22nd Jul 2025333 AMAQI
22nd Jul 2025334 AMAQI
22nd Jul 2025345 AMAQI
28°C22/36°C
22nd Jul 2025406 AMAQI
22nd Jul 2025437 AMAQI
22nd Jul 2025428 AMAQI
22nd Jul 2025439 AMAQI
22nd Jul 20254410 AMAQI
22nd Jul 20254211 AMAQI
22nd Jul 20254112 PMAQI
22nd Jul 2025411 PMAQI
22nd Jul 2025422 PMAQI
22nd Jul 2025403 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025415 PMAQI
22nd Jul 2025416 PMAQI
22nd Jul 2025407 PMAQI
22nd Jul 2025398 PMAQI
22nd Jul 2025449 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20255011 PMAQI
23rd Jul 20254812 AMAQI
23rd Jul 2025491 AMAQI
23rd Jul 2025532 AMAQI
23rd Jul 2025523 AMAQI
23rd Jul 2025534 AMAQI
23rd Jul 2025535 AMAQI
27°C23/31°C
23rd Jul 2025526 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025548 AMAQI
23rd Jul 2025549 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20255411 AMAQI
23rd Jul 20255312 PMAQI
23rd Jul 2025531 PMAQI
23rd Jul 2025542 PMAQI
23rd Jul 2025523 PMAQI
23rd Jul 2025534 PMAQI
23rd Jul 2025535 PMAQI
23rd Jul 2025536 PMAQI
23rd Jul 2025547 PMAQI
23rd Jul 2025538 PMAQI
23rd Jul 2025549 PMAQI
23rd Jul 20255310 PMAQI
23rd Jul 20255411 PMAQI
24th Jul 20255412 AMAQI
24th Jul 2025541 AMAQI
24th Jul 2025552 AMAQI
24th Jul 2025543 AMAQI
24th Jul 2025564 AMAQI
24th Jul 2025555 AMAQI
27°C22/30°C
24th Jul 2025546 AMAQI
24th Jul 2025557 AMAQI
24th Jul 2025558 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255310 AMAQI
24th Jul 20255211 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025532 PMAQI
24th Jul 2025543 PMAQI
24th Jul 2025534 PMAQI
24th Jul 2025545 PMAQI
24th Jul 2025546 PMAQI
24th Jul 2025547 PMAQI
24th Jul 2025548 PMAQI
24th Jul 2025539 PMAQI
24th Jul 20255310 PMAQI
24th Jul 20255411 PMAQI
25th Jul 20255412 AMAQI
25th Jul 2025521 AMAQI
25th Jul 2025512 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025504 AMAQI
25th Jul 2025495 AMAQI
27°C21/32°C
25th Jul 2025506 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255210 AMAQI
25th Jul 20255311 AMAQI
25th Jul 20255312 PMAQI
25th Jul 2025521 PMAQI
25th Jul 2025512 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 2025529 PMAQI
25th Jul 20255110 PMAQI
25th Jul 20255311 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025452 AMAQI
26th Jul 2025443 AMAQI
26th Jul 2025444 AMAQI
26th Jul 2025455 AMAQI
29°C21/36°C
26th Jul 2025446 AMAQI
26th Jul 2025427 AMAQI
26th Jul 2025438 AMAQI
26th Jul 2025449 AMAQI
26th Jul 20254710 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20254912 PMAQI
26th Jul 2025481 PMAQI
26th Jul 2025492 PMAQI
26th Jul 2025483 PMAQI
26th Jul 2025454 PMAQI
26th Jul 2025455 PMAQI
26th Jul 2025456 PMAQI
26th Jul 2025477 PMAQI
26th Jul 2025478 PMAQI
26th Jul 2025519 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20255111 PMAQI
27th Jul 20255112 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025463 AMAQI
27th Jul 2025454 AMAQI
27th Jul 2025415 AMAQI
30°C23/38°C
27th Jul 2025426 AMAQI
27th Jul 2025417 AMAQI
27th Jul 2025418 AMAQI
27th Jul 2025409 AMAQI
27th Jul 20253710 AMAQI
27th Jul 20253411 AMAQI
27th Jul 20253212 PMAQI
27th Jul 2025321 PMAQI
27th Jul 2025332 PMAQI
27th Jul 2025333 PMAQI
27th Jul 2025344 PMAQI
27th Jul 2025335 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025387 PMAQI
27th Jul 2025398 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025241 AMAQI
28th Jul 2025222 AMAQI
28th Jul 2025223 AMAQI
28th Jul 2025224 AMAQI
28th Jul 2025235 AMAQI
30°C24/37°C
28th Jul 2025236 AMAQI
28th Jul 2025237 AMAQI
28th Jul 2025238 AMAQI
28th Jul 2025249 AMAQI
28th Jul 20252410 AMAQI
28th Jul 20252511 AMAQI
28th Jul 20252512 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025272 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025284 PMAQI
28th Jul 2025335 PMAQI
28th Jul 2025316 PMAQI
28th Jul 2025267 PMAQI
28th Jul 2025278 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253510 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253312 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025312 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025294 AMAQI
29th Jul 2025295 AMAQI
29°C24/36°C
29th Jul 2025286 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025278 AMAQI
29th Jul 2025279 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20253111 AMAQI
29th Jul 20253412 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025353 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025355 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025357 PMAQI
29th Jul 2025358 PMAQI
29th Jul 2025389 PMAQI
29th Jul 20253610 PMAQI
29th Jul 20253511 PMAQI
30th Jul 20253312 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025322 AMAQI
30th Jul 2025313 AMAQI
30th Jul 2025314 AMAQI
30th Jul 2025325 AMAQI
29°C24/32°C
30th Jul 2025336 AMAQI
30th Jul 2025347 AMAQI
30th Jul 2025358 AMAQI
30th Jul 2025369 AMAQI
30th Jul 20253710 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20254112 PMAQI
30th Jul 2025411 PMAQI
30th Jul 2025422 PMAQI
30th Jul 2025423 PMAQI
30th Jul 2025424 PMAQI
30th Jul 2025425 PMAQI
30th Jul 2025426 PMAQI
30th Jul 2025427 PMAQI
30th Jul 2025428 PMAQI
30th Jul 2025419 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025372 AMAQI
31st Jul 2025383 AMAQI
31st Jul 2025374 AMAQI
31st Jul 2025355 AMAQI
28°C22/33°C
31st Jul 2025366 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025368 AMAQI
31st Jul 2025359 AMAQI
31st Jul 20253510 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20253112 PMAQI
31st Jul 2025291 PMAQI
31st Jul 2025302 PMAQI
31st Jul 2025283 PMAQI
31st Jul 2025304 PMAQI
31st Jul 2025275 PMAQI
31st Jul 2025276 PMAQI
31st Jul 2025407 PMAQI
31st Jul 2025328 PMAQI
31st Jul 2025249 PMAQI
31st Jul 20252510 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252512 AMAQI
1st Aug 2025271 AMAQI
1st Aug 2025282 AMAQI
1st Aug 2025273 AMAQI
1st Aug 2025284 AMAQI
1st Aug 2025275 AMAQI
27°C24/30°C
1st Aug 2025286 AMAQI
1st Aug 2025307 AMAQI
1st Aug 2025318 AMAQI
1st Aug 2025349 AMAQI
1st Aug 20253710 AMAQI
1st Aug 20253911 AMAQI
1st Aug 20254112 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025492 PMAQI
1st Aug 2025483 PMAQI
1st Aug 2025474 PMAQI
1st Aug 2025395 PMAQI
1st Aug 2025336 PMAQI
1st Aug 2025287 PMAQI
1st Aug 2025268 PMAQI
1st Aug 2025269 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252112 AMAQI
2nd Aug 2025201 AMAQI
2nd Aug 2025202 AMAQI
2nd Aug 2025203 AMAQI
2nd Aug 2025204 AMAQI
2nd Aug 2025175 AMAQI
24°C21/28°C
2nd Aug 2025186 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025188 AMAQI
2nd Aug 2025179 AMAQI
2nd Aug 20251610 AMAQI
2nd Aug 20252011 AMAQI
2nd Aug 20252012 PMAQI
2nd Aug 2025231 PMAQI
2nd Aug 2025262 PMAQI
2nd Aug 2025283 PMAQI
2nd Aug 2025284 PMAQI
2nd Aug 2025335 PMAQI
2nd Aug 2025366 PMAQI
2nd Aug 2025267 PMAQI
2nd Aug 2025318 PMAQI
2nd Aug 2025449 PMAQI
2nd Aug 20254410 PMAQI
2nd Aug 20254511 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025471 AMAQI
3rd Aug 2025472 AMAQI
3rd Aug 2025463 AMAQI
3rd Aug 2025444 AMAQI
3rd Aug 2025435 AMAQI
21°C20/22°C
3rd Aug 2025436 AMAQI
3rd Aug 2025447 AMAQI
3rd Aug 2025428 AMAQI
3rd Aug 2025429 AMAQI
3rd Aug 20254210 AMAQI
3rd Aug 20254111 AMAQI
3rd Aug 20254012 PMAQI
3rd Aug 2025391 PMAQI
3rd Aug 2025402 PMAQI
3rd Aug 2025403 PMAQI
3rd Aug 2025384 PMAQI
3rd Aug 2025415 PMAQI
3rd Aug 2025426 PMAQI
3rd Aug 2025437 PMAQI
3rd Aug 2025448 PMAQI
3rd Aug 2025459 PMAQI
3rd Aug 20254310 PMAQI
3rd Aug 20254211 PMAQI
4th Aug 20254212 AMAQI
4th Aug 2025411 AMAQI
4th Aug 2025442 AMAQI
4th Aug 2025443 AMAQI
4th Aug 2025444 AMAQI
4th Aug 2025455 AMAQI
22°C19/24°C
4th Aug 2025436 AMAQI
4th Aug 2025437 AMAQI
4th Aug 2025408 AMAQI
4th Aug 2025409 AMAQI
4th Aug 20254210 AMAQI
4th Aug 20254011 AMAQI
4th Aug 20254212 PMAQI
4th Aug 2025421 PMAQI
4th Aug 2025402 PMAQI
4th Aug 2025403 PMAQI
4th Aug 2025444 PMAQI
4th Aug 2025445 PMAQI
4th Aug 2025446 PMAQI
4th Aug 2025457 PMAQI
4th Aug 2025468 PMAQI
4th Aug 2025509 PMAQI
4th Aug 20254710 PMAQI
4th Aug 20254811 PMAQI
5th Aug 20254912 AMAQI
5th Aug 2025471 AMAQI
5th Aug 2025482 AMAQI
5th Aug 2025463 AMAQI
5th Aug 2025424 AMAQI
5th Aug 2025405 AMAQI
23°C16/29°C
5th Aug 2025386 AMAQI
5th Aug 2025357 AMAQI
5th Aug 2025358 AMAQI
5th Aug 2025359 AMAQI
5th Aug 20253410 AMAQI
5th Aug 20253211 AMAQI
5th Aug 20253412 PMAQI
5th Aug 2025331 PMAQI
5th Aug 2025342 PMAQI
5th Aug 2025343 PMAQI
5th Aug 2025344 PMAQI
5th Aug 2025345 PMAQI
5th Aug 2025346 PMAQI
5th Aug 2025367 PMAQI
5th Aug 2025358 PMAQI
5th Aug 2025359 PMAQI
5th Aug 20253810 PMAQI
5th Aug 20253811 PMAQI
6th Aug 20253812 AMAQI
6th Aug 2025381 AMAQI
6th Aug 2025372 AMAQI
6th Aug 2025363 AMAQI
6th Aug 2025384 AMAQI
6th Aug 2025385 AMAQI
20°C17/22°C
6th Aug 2025406 AMAQI
6th Aug 2025427 AMAQI
6th Aug 2025428 AMAQI
6th Aug 2025419 AMAQI
6th Aug 20254010 AMAQI
6th Aug 20253811 AMAQI
6th Aug 20253412 PMAQI
6th Aug 2025321 PMAQI
6th Aug 2025282 PMAQI
6th Aug 2025263 PMAQI
6th Aug 2025244 PMAQI
6th Aug 2025275 PMAQI
6th Aug 2025276 PMAQI
6th Aug 2025367 PMAQI
6th Aug 2025328 PMAQI
6th Aug 2025309 PMAQI
6th Aug 20253110 PMAQI
6th Aug 20253311 PMAQI
7th Aug 20253312 AMAQI
7th Aug 2025341 AMAQI
7th Aug 2025342 AMAQI
7th Aug 2025383 AMAQI
7th Aug 2025414 AMAQI
7th Aug 2025405 AMAQI
19°C16/22°C
7th Aug 2025406 AMAQI
7th Aug 2025437 AMAQI
7th Aug 2025478 AMAQI
7th Aug 2025509 AMAQI
7th Aug 20255310 AMAQI
7th Aug 20255611 AMAQI
7th Aug 20255412 PMAQI
7th Aug 2025571 PMAQI
7th Aug 2025542 PMAQI
7th Aug 2025533 PMAQI
7th Aug 2025544 PMAQI
7th Aug 2025525 PMAQI
7th Aug 2025536 PMAQI
7th Aug 2025497 PMAQI
7th Aug 2025518 PMAQI
7th Aug 2025549 PMAQI
7th Aug 20255510 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255812 AMAQI
8th Aug 2025641 AMAQI
8th Aug 2025682 AMAQI
8th Aug 2025693 AMAQI
8th Aug 2025694 AMAQI
8th Aug 2025705 AMAQI
22°C18/25°C
8th Aug 2025716 AMAQI
8th Aug 2025737 AMAQI
8th Aug 2025788 AMAQI
8th Aug 2025809 AMAQI
8th Aug 20257910 AMAQI
8th Aug 20257711 AMAQI
8th Aug 20257112 PMAQI
8th Aug 2025721 PMAQI
8th Aug 2025662 PMAQI
8th Aug 2025673 PMAQI
8th Aug 2025664 PMAQI
8th Aug 2025655 PMAQI
8th Aug 2025636 PMAQI
8th Aug 2025667 PMAQI
8th Aug 2025688 PMAQI
8th Aug 2025649 PMAQI
8th Aug 20256510 PMAQI
8th Aug 20256611 PMAQI
9th Aug 20256812 AMAQI
9th Aug 2025681 AMAQI
9th Aug 2025652 AMAQI
9th Aug 2025663 AMAQI
9th Aug 2025654 AMAQI
9th Aug 2025645 AMAQI
23°C19/28°C
9th Aug 2025656 AMAQI
9th Aug 2025637 AMAQI
9th Aug 2025628 AMAQI
9th Aug 2025609 AMAQI
9th Aug 20255710 AMAQI
9th Aug 20255511 AMAQI
9th Aug 20255412 PMAQI
9th Aug 2025541 PMAQI
9th Aug 2025562 PMAQI
9th Aug 2025573 PMAQI
9th Aug 2025574 PMAQI
9th Aug 2025585 PMAQI
9th Aug 2025586 PMAQI
9th Aug 2025597 PMAQI
9th Aug 2025608 PMAQI
9th Aug 2025589 PMAQI
9th Aug 20255910 PMAQI
9th Aug 20255811 PMAQI
10th Aug 20255812 AMAQI
10th Aug 2025561 AMAQI
10th Aug 2025552 AMAQI
10th Aug 2025523 AMAQI
10th Aug 2025524 AMAQI
10th Aug 2025505 AMAQI
23°C19/27°C
10th Aug 2025506 AMAQI
10th Aug 2025527 AMAQI
10th Aug 2025518 AMAQI
10th Aug 2025509 AMAQI
10th Aug 20254810 AMAQI
10th Aug 20254811 AMAQI
10th Aug 20254612 PMAQI
10th Aug 2025471 PMAQI
10th Aug 2025482 PMAQI
10th Aug 2025503 PMAQI
10th Aug 2025504 PMAQI
10th Aug 2025495 PMAQI
10th Aug 2025486 PMAQI
10th Aug 2025517 PMAQI
10th Aug 2025518 PMAQI
10th Aug 2025509 PMAQI
10th Aug 20255010 PMAQI
10th Aug 20255011 PMAQI
11th Aug 20255012 AMAQI
11th Aug 2025451 AMAQI
11th Aug 2025462 AMAQI
11th Aug 2025463 AMAQI
11th Aug 2025454 AMAQI
11th Aug 2025415 AMAQI
24°C17/31°C
11th Aug 2025396 AMAQI
11th Aug 2025377 AMAQI
11th Aug 2025328 AMAQI
11th Aug 2025299 AMAQI
11th Aug 20253010 AMAQI
11th Aug 20252811 AMAQI
11th Aug 20252412 PMAQI
11th Aug 2025211 PMAQI
11th Aug 2025202 PMAQI
11th Aug 2025203 PMAQI
11th Aug 2025214 PMAQI
11th Aug 2025215 PMAQI
11th Aug 2025196 PMAQI
11th Aug 2025337 PMAQI
11th Aug 2025258 PMAQI
11th Aug 2025169 PMAQI
11th Aug 20251610 PMAQI
11th Aug 20251911 PMAQI
12th Aug 20251812 AMAQI
12th Aug 2025201 AMAQI
12th Aug 2025222 AMAQI
12th Aug 2025223 AMAQI
12th Aug 2025234 AMAQI
12th Aug 2025265 AMAQI
24°C21/27°C
12th Aug 2025296 AMAQI
12th Aug 2025277 AMAQI
12th Aug 2025238 AMAQI
12th Aug 2025229 AMAQI
12th Aug 20252210 AMAQI
12th Aug 20252111 AMAQI
12th Aug 20252012 PMAQI
12th Aug 2025191 PMAQI
12th Aug 2025182 PMAQI
12th Aug 2025183 PMAQI
12th Aug 2025184 PMAQI
12th Aug 2025205 PMAQI
12th Aug 2025186 PMAQI
12th Aug 2025207 PMAQI
12th Aug 2025198 PMAQI
12th Aug 2025209 PMAQI
12th Aug 20252110 PMAQI
12th Aug 20252611 PMAQI
13th Aug 20252912 AMAQI
13th Aug 2025331 AMAQI
13th Aug 2025342 AMAQI
13th Aug 2025373 AMAQI
13th Aug 2025374 AMAQI
13th Aug 2025365 AMAQI
24°C23/28°C
13th Aug 2025336 AMAQI
6 AM13th Aug 2025307 AMAQI
13th Aug 2025288 AMAQI
13th Aug 2025269 AMAQI
13th Aug 20252810 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 - 11 PM
39AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
39AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 11 PM (Avg. 39).
2025 Days Vs Air Quality
Winston Salem, North Carolina, United States
2025
89%
200
11%
24
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Good
200 DaysModerate
24 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 225 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
Winston Salem, 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.
1st January 2025
18AQI
18AQI
2nd January 2025
22AQI
22AQI
3rd January 2025
24AQI
24AQI
4th January 2025
19AQI
19AQI
5th January 2025
26AQI
26AQI
6th January 2025
29AQI
29AQI
7th January 2025
18AQI
18AQI
8th January 2025
23AQI
23AQI
9th January 2025
24AQI
24AQI
10th January 2025
40AQI
40AQI
11th January 2025
42AQI
42AQI
12th January 2025
37AQI
37AQI
13th January 2025
38AQI
38AQI
14th January 2025
22AQI
22AQI
15th January 2025
30AQI
30AQI
16th January 2025
39AQI
39AQI
17th January 2025
31AQI
31AQI
18th January 2025
40AQI
40AQI
19th January 2025
42AQI
42AQI
20th January 2025
20AQI
20AQI
21st January 2025
26AQI
26AQI
22nd January 2025
31AQI
31AQI
23rd January 2025
54AQI
54AQI
24th January 2025
51AQI
51AQI
25th January 2025
44AQI
44AQI
26th January 2025
45AQI
45AQI
27th January 2025
42AQI
42AQI
28th January 2025
29AQI
29AQI
29th January 2025
27AQI
27AQI
30th January 2025
28AQI
28AQI
31st January 2025
47AQI
47AQI
1st February 2025
25AQI
25AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
43AQI
43AQI
4th February 2025
39AQI
39AQI
5th February 2025
26AQI
26AQI
6th February 2025
49AQI
49AQI
7th February 2025
32AQI
32AQI
8th February 2025
28AQI
28AQI
9th February 2025
31AQI
31AQI
10th February 2025
25AQI
25AQI
11th February 2025
37AQI
37AQI
12th February 2025
20AQI
20AQI
13th February 2025
21AQI
21AQI
14th February 2025
24AQI
24AQI
15th February 2025
25AQI
25AQI
16th February 2025
21AQI
21AQI
17th February 2025
20AQI
20AQI
18th February 2025
24AQI
24AQI
19th February 2025
24AQI
24AQI
20th February 2025
25AQI
25AQI
21st February 2025
21AQI
21AQI
22nd February 2025
28AQI
28AQI
23rd February 2025
32AQI
32AQI
24th February 2025
36AQI
36AQI
25th February 2025
47AQI
47AQI
26th February 2025
33AQI
33AQI
27th February 2025
46AQI
46AQI
28th February 2025
30AQI
30AQI
1st March 2025
32AQI
32AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
33AQI
33AQI
4th March 2025
34AQI
34AQI
5th March 2025
35AQI
35AQI
6th March 2025
26AQI
26AQI
7th March 2025
29AQI
29AQI
8th March 2025
37AQI
37AQI
9th March 2025
31AQI
31AQI
10th March 2025
34AQI
34AQI
11th March 2025
34AQI
34AQI
12th March 2025
41AQI
41AQI
13th March 2025
55AQI
55AQI
14th March 2025
62AQI
62AQI
15th March 2025
56AQI
56AQI
16th March 2025
33AQI
33AQI
17th March 2025
21AQI
21AQI
18th March 2025
19AQI
19AQI
19th March 2025
39AQI
39AQI
20th March 2025
47AQI
47AQI
21st March 2025
18AQI
18AQI
22nd March 2025
37AQI
37AQI
23rd March 2025
22AQI
22AQI
24th March 2025
41AQI
41AQI
25th March 2025
19AQI
19AQI
26th March 2025
21AQI
21AQI
27th March 2025
24AQI
24AQI
28th March 2025
46AQI
46AQI
29th March 2025
42AQI
42AQI
30th March 2025
34AQI
34AQI
31st March 2025
29AQI
29AQI
1st April 2025
20AQI
20AQI
2nd April 2025
32AQI
32AQI
3rd April 2025
39AQI
39AQI
4th April 2025
45AQI
45AQI
5th April 2025
46AQI
46AQI
6th April 2025
32AQI
32AQI
7th April 2025
25AQI
25AQI
8th April 2025
21AQI
21AQI
9th April 2025
20AQI
20AQI
10th April 2025
40AQI
40AQI
11th April 2025
31AQI
31AQI
12th April 2025
31AQI
31AQI
13th April 2025
24AQI
24AQI
14th April 2025
41AQI
41AQI
15th April 2025
33AQI
33AQI
16th April 2025
24AQI
24AQI
17th April 2025
34AQI
34AQI
18th April 2025
47AQI
47AQI
19th April 2025
52AQI
52AQI
20th April 2025
56AQI
56AQI
21st April 2025
48AQI
48AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
33AQI
33AQI
24th April 2025
49AQI
49AQI
25th April 2025
54AQI
54AQI
26th April 2025
36AQI
36AQI
27th April 2025
27AQI
27AQI
28th April 2025
30AQI
30AQI
29th April 2025
41AQI
41AQI
30th April 2025
47AQI
47AQI
1st May 2025
46AQI
46AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
36AQI
36AQI
4th May 2025
21AQI
21AQI
5th May 2025
31AQI
31AQI
6th May 2025
25AQI
25AQI
7th May 2025
32AQI
32AQI
8th May 2025
35AQI
35AQI
9th May 2025
27AQI
27AQI
10th May 2025
24AQI
24AQI
11th May 2025
36AQI
36AQI
12th May 2025
25AQI
25AQI
13th May 2025
20AQI
20AQI
14th May 2025
25AQI
25AQI
15th May 2025
39AQI
39AQI
16th May 2025
49AQI
49AQI
17th May 2025
29AQI
29AQI
18th May 2025
23AQI
23AQI
19th May 2025
27AQI
27AQI
20th May 2025
32AQI
32AQI
21st May 2025
33AQI
33AQI
22nd May 2025
18AQI
18AQI
23rd May 2025
16AQI
16AQI
24th May 2025
21AQI
21AQI
25th May 2025
28AQI
28AQI
26th May 2025
28AQI
28AQI
27th May 2025
18AQI
18AQI
28th May 2025
15AQI
15AQI
29th May 2025
31AQI
31AQI
30th May 2025
22AQI
22AQI
31st May 2025
36AQI
36AQI
1st June 2025
51AQI
51AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
43AQI
43AQI
4th June 2025
58AQI
58AQI
5th June 2025
47AQI
47AQI
6th June 2025
43AQI
43AQI
7th June 2025
31AQI
31AQI
8th June 2025
30AQI
30AQI
9th June 2025
32AQI
32AQI
10th June 2025
30AQI
30AQI
11th June 2025
45AQI
45AQI
12th June 2025
57AQI
57AQI
13th June 2025
29AQI
29AQI
14th June 2025
24AQI
24AQI
15th June 2025
24AQI
24AQI
16th June 2025
25AQI
25AQI
17th June 2025
25AQI
25AQI
18th June 2025
19AQI
19AQI
19th June 2025
25AQI
25AQI
20th June 2025
25AQI
25AQI
21st June 2025
37AQI
37AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
47AQI
47AQI
24th June 2025
52AQI
52AQI
25th June 2025
58AQI
58AQI
26th June 2025
50AQI
50AQI
27th June 2025
46AQI
46AQI
28th June 2025
45AQI
45AQI
29th June 2025
40AQI
40AQI
30th June 2025
41AQI
41AQI
1st July 2025
40AQI
40AQI
2nd July 2025
29AQI
29AQI
3rd July 2025
38AQI
38AQI
4th July 2025
55AQI
55AQI
5th July 2025
66AQI
66AQI
6th July 2025
52AQI
52AQI
7th July 2025
44AQI
44AQI
8th July 2025
56AQI
56AQI
9th July 2025
51AQI
51AQI
10th July 2025
32AQI
32AQI
11th July 2025
37AQI
37AQI
12th July 2025
41AQI
41AQI
13th July 2025
38AQI
38AQI
14th July 2025
38AQI
38AQI
15th July 2025
35AQI
35AQI
16th July 2025
32AQI
32AQI
17th July 2025
34AQI
34AQI
18th July 2025
31AQI
31AQI
19th July 2025
25AQI
25AQI
20th July 2025
31AQI
31AQI
21st July 2025
39AQI
39AQI
22nd July 2025
40AQI
40AQI
23rd July 2025
53AQI
53AQI
24th July 2025
54AQI
54AQI
25th July 2025
52AQI
52AQI
26th July 2025
47AQI
47AQI
27th July 2025
38AQI
38AQI
28th July 2025
27AQI
27AQI
29th July 2025
33AQI
33AQI
30th July 2025
37AQI
37AQI
31st July 2025
33AQI
33AQI
1st August 2025
31AQI
31AQI
2nd August 2025
26AQI
26AQI
3rd August 2025
43AQI
43AQI
4th August 2025
44AQI
44AQI
5th August 2025
38AQI
38AQI
6th August 2025
35AQI
35AQI
7th August 2025
47AQI
47AQI
8th August 2025
68AQI
68AQI
9th August 2025
61AQI
61AQI
10th August 2025
51AQI
51AQI
11th August 2025
31AQI
31AQI
12th August 2025
22AQI
22AQI
33AQI
30AQI
34AQI
37AQI
29AQI
38AQI
41AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202535AQI
29
2
28
28
3
27
3
31
25
5
23
8
9
3
200
24
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
May29AQI
202435AQI
30
1
24
5
29
1
1
25
5
31
26
3
25
6
24
7
28
2
31
30
30
1
333
31
1
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
January27AQI
202342AQI
26
5
25
3
24
7
24
6
25
6
12
14
3
1
19
10
2
20
11
26
4
30
1
21
8
24
7
276
82
5
1
Highest AQI recorded in
June64AQI
Lowest AQI recorded in
January34AQI
202236AQI
29
2
20
1
28
3
28
2
26
5
26
4
21
3
1
26
3
24
7
30
25
6
284
36
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
February31AQI
202134AQI
27
3
26
2
26
5
24
6
27
4
29
1
17
13
1
28
3
30
31
26
4
29
2
320
43
1
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
October20AQI
202036AQI
11
2
20
18
26
4
29
2
31
29
1
29
2
25
5
26
5
244
21
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
May30AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2021(Avg.)
34AQIWinston Salem's annual 2025 AQI (35) shows an average percentage change of -4.6% (improved AQI) compared to previous years: 2020 (36), 2021 (34), 2022 (36), 2023 (42), 2024 (35).
