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
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
3rd Aug 2023
70AQILowest AQI recorded on
6th Aug 2024
20AQISame Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Winston Salem, North Carolina, United States
AQI
Day
Night
.
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
Day time
Avg. Highest Time
7PM15th Aug
55AQI
Avg. Lowest Time
8AM15th Aug
24AQI
Night time
Avg. Highest Time
11PM15th Aug
28AQI
Avg. Lowest Time
5AM16th Aug
21AQI
In the last 24 hours,
Winston Salem's AQI reached its highest point of 55 at 7 PM during the Day, while the lowest point, 21, was recorded at 5 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Winston Salem, North Carolina, United States
JulAug
18th - 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 - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026926 AMAQI
18th Jul 2026877 AMAQI
18th Jul 2026898 AMAQI
18th Jul 2026859 AMAQI
18th Jul 20268610 AMAQI
18th Jul 202610611 AMAQI
18th Jul 202611212 PMAQI
18th Jul 20261091 PMAQI
18th Jul 2026932 PMAQI
18th Jul 2026713 PMAQI
18th Jul 2026574 PMAQI
18th Jul 2026505 PMAQI
18th Jul 2026366 PMAQI
18th Jul 2026477 PMAQI
18th Jul 2026348 PMAQI
18th Jul 2026259 PMAQI
18th Jul 20262310 PMAQI
18th Jul 20263511 PMAQI
19th Jul 20263812 AMAQI
19th Jul 2026321 AMAQI
19th Jul 2026332 AMAQI
19th Jul 2026303 AMAQI
19th Jul 2026314 AMAQI
19th Jul 2026325 AMAQI
28°C24/35°C
19th Jul 2026226 AMAQI
19th Jul 2026367 AMAQI
19th Jul 2026398 AMAQI
19th Jul 2026459 AMAQI
19th Jul 20262410 AMAQI
19th Jul 20263511 AMAQI
19th Jul 20263712 PMAQI
19th Jul 2026321 PMAQI
19th Jul 2026412 PMAQI
19th Jul 2026313 PMAQI
19th Jul 2026384 PMAQI
19th Jul 2026435 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026327 PMAQI
19th Jul 2026248 PMAQI
19th Jul 2026219 PMAQI
19th Jul 20263510 PMAQI
19th Jul 20263611 PMAQI
20th Jul 20264712 AMAQI
20th Jul 2026471 AMAQI
20th Jul 2026422 AMAQI
20th Jul 2026213 AMAQI
20th Jul 2026434 AMAQI
20th Jul 2026415 AMAQI
27°C22/34°C
20th Jul 2026396 AMAQI
20th Jul 2026267 AMAQI
20th Jul 2026528 AMAQI
20th Jul 2026389 AMAQI
20th Jul 20265010 AMAQI
20th Jul 20263911 AMAQI
20th Jul 20265212 PMAQI
20th Jul 2026461 PMAQI
20th Jul 2026512 PMAQI
20th Jul 2026493 PMAQI
20th Jul 2026484 PMAQI
20th Jul 2026495 PMAQI
20th Jul 2026496 PMAQI
20th Jul 2026487 PMAQI
20th Jul 2026538 PMAQI
20th Jul 2026529 PMAQI
20th Jul 20264710 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026231 AMAQI
21st Jul 2026462 AMAQI
21st Jul 2026373 AMAQI
21st Jul 2026484 AMAQI
21st Jul 2026435 AMAQI
27°C23/33°C
21st Jul 2026416 AMAQI
21st Jul 2026437 AMAQI
21st Jul 2026458 AMAQI
21st Jul 2026429 AMAQI
21st Jul 20264010 AMAQI
21st Jul 20264011 AMAQI
21st Jul 20262912 PMAQI
21st Jul 2026541 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026414 PMAQI
21st Jul 2026245 PMAQI
21st Jul 2026286 PMAQI
21st Jul 2026577 PMAQI
21st Jul 2026348 PMAQI
21st Jul 2026339 PMAQI
21st Jul 20263510 PMAQI
21st Jul 20263311 PMAQI
22nd Jul 20263512 AMAQI
22nd Jul 2026351 AMAQI
22nd Jul 2026362 AMAQI
22nd Jul 2026343 AMAQI
22nd Jul 2026254 AMAQI
22nd Jul 2026235 AMAQI
27°C22/37°C
22nd Jul 2026246 AMAQI
22nd Jul 2026287 AMAQI
22nd Jul 2026348 AMAQI
22nd Jul 2026379 AMAQI
22nd Jul 20263910 AMAQI
22nd Jul 20263911 AMAQI
22nd Jul 20264412 PMAQI
22nd Jul 2026451 PMAQI
22nd Jul 2026452 PMAQI
22nd Jul 2026463 PMAQI
22nd Jul 2026474 PMAQI
22nd Jul 2026455 PMAQI
22nd Jul 2026416 PMAQI
22nd Jul 2026557 PMAQI
22nd Jul 2026408 PMAQI
22nd Jul 2026379 PMAQI
22nd Jul 20262210 PMAQI
22nd Jul 20262811 PMAQI
23rd Jul 20262312 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026352 AMAQI
23rd Jul 2026443 AMAQI
23rd Jul 2026354 AMAQI
23rd Jul 2026275 AMAQI
26°C23/32°C
23rd Jul 2026356 AMAQI
23rd Jul 2026257 AMAQI
23rd Jul 2026198 AMAQI
23rd Jul 2026319 AMAQI
23rd Jul 20262510 AMAQI
23rd Jul 20262411 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026301 PMAQI
23rd Jul 2026262 PMAQI
23rd Jul 2026283 PMAQI
23rd Jul 2026424 PMAQI
23rd Jul 2026415 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026247 PMAQI
23rd Jul 2026388 PMAQI
23rd Jul 2026339 PMAQI
23rd Jul 20264110 PMAQI
23rd Jul 20262211 PMAQI
24th Jul 20262412 AMAQI
24th Jul 2026391 AMAQI
24th Jul 2026402 AMAQI
24th Jul 2026243 AMAQI
24th Jul 2026244 AMAQI
24th Jul 2026225 AMAQI
22°C20/24°C
24th Jul 2026216 AMAQI
24th Jul 2026247 AMAQI
24th Jul 2026228 AMAQI
24th Jul 2026219 AMAQI
24th Jul 20262210 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20262512 PMAQI
24th Jul 2026211 PMAQI
24th Jul 2026252 PMAQI
24th Jul 2026353 PMAQI
24th Jul 2026324 PMAQI
24th Jul 2026295 PMAQI
24th Jul 2026276 PMAQI
24th Jul 2026217 PMAQI
24th Jul 2026238 PMAQI
24th Jul 2026239 PMAQI
24th Jul 20262510 PMAQI
24th Jul 20262511 PMAQI
25th Jul 20263212 AMAQI
25th Jul 2026311 AMAQI
25th Jul 2026412 AMAQI
25th Jul 2026313 AMAQI
25th Jul 2026264 AMAQI
25th Jul 2026345 AMAQI
20°C19/22°C
25th Jul 2026376 AMAQI
25th Jul 2026307 AMAQI
25th Jul 2026338 AMAQI
25th Jul 2026329 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20262611 AMAQI
25th Jul 20261512 PMAQI
25th Jul 2026361 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026383 PMAQI
25th Jul 2026374 PMAQI
25th Jul 2026345 PMAQI
25th Jul 2026326 PMAQI
25th Jul 2026357 PMAQI
25th Jul 2026318 PMAQI
25th Jul 2026289 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20262311 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026241 AMAQI
26th Jul 2026472 AMAQI
26th Jul 2026283 AMAQI
26th Jul 2026334 AMAQI
26th Jul 2026295 AMAQI
21°C19/27°C
26th Jul 2026386 AMAQI
26th Jul 2026377 AMAQI
26th Jul 2026348 AMAQI
26th Jul 2026259 AMAQI
26th Jul 20263810 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20264012 PMAQI
26th Jul 2026231 PMAQI
26th Jul 2026322 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026445 PMAQI
26th Jul 2026436 PMAQI
26th Jul 2026437 PMAQI
26th Jul 2026408 PMAQI
26th Jul 2026419 PMAQI
26th Jul 20263810 PMAQI
26th Jul 20264011 PMAQI
27th Jul 20263912 AMAQI
27th Jul 2026391 AMAQI
27th Jul 2026252 AMAQI
27th Jul 2026263 AMAQI
27th Jul 2026244 AMAQI
27th Jul 2026255 AMAQI
23°C19/30°C
27th Jul 2026326 AMAQI
27th Jul 2026377 AMAQI
27th Jul 2026348 AMAQI
27th Jul 2026269 AMAQI
27th Jul 20262410 AMAQI
27th Jul 20263211 AMAQI
27th Jul 20264012 PMAQI
27th Jul 2026411 PMAQI
27th Jul 2026512 PMAQI
27th Jul 2026543 PMAQI
27th Jul 2026564 PMAQI
27th Jul 2026595 PMAQI
27th Jul 2026566 PMAQI
27th Jul 2026597 PMAQI
27th Jul 2026588 PMAQI
27th Jul 2026599 PMAQI
27th Jul 20266010 PMAQI
27th Jul 20266111 PMAQI
28th Jul 20266412 AMAQI
28th Jul 2026611 AMAQI
28th Jul 2026632 AMAQI
28th Jul 2026643 AMAQI
28th Jul 2026664 AMAQI
28th Jul 2026655 AMAQI
26°C21/33°C
28th Jul 2026676 AMAQI
28th Jul 2026647 AMAQI
28th Jul 2026658 AMAQI
28th Jul 2026679 AMAQI
28th Jul 20266610 AMAQI
28th Jul 20266511 AMAQI
28th Jul 20266212 PMAQI
28th Jul 2026601 PMAQI
28th Jul 2026582 PMAQI
28th Jul 2026573 PMAQI
28th Jul 2026574 PMAQI
28th Jul 2026555 PMAQI
28th Jul 2026556 PMAQI
28th Jul 2026567 PMAQI
28th Jul 2026558 PMAQI
28th Jul 2026559 PMAQI
28th Jul 20265310 PMAQI
28th Jul 20264711 PMAQI
29th Jul 20264512 AMAQI
29th Jul 2026411 AMAQI
29th Jul 2026412 AMAQI
29th Jul 2026433 AMAQI
29th Jul 2026434 AMAQI
29th Jul 2026455 AMAQI
25°C21/33°C
29th Jul 2026456 AMAQI
29th Jul 2026477 AMAQI
29th Jul 2026478 AMAQI
29th Jul 2026479 AMAQI
29th Jul 20264910 AMAQI
29th Jul 20264511 AMAQI
29th Jul 20264812 PMAQI
29th Jul 2026481 PMAQI
29th Jul 2026512 PMAQI
29th Jul 2026523 PMAQI
29th Jul 2026534 PMAQI
29th Jul 2026535 PMAQI
29th Jul 2026526 PMAQI
29th Jul 2026497 PMAQI
29th Jul 2026458 PMAQI
29th Jul 2026429 PMAQI
29th Jul 20264410 PMAQI
29th Jul 20265111 PMAQI
30th Jul 20264512 AMAQI
30th Jul 2026341 AMAQI
30th Jul 2026402 AMAQI
30th Jul 2026423 AMAQI
30th Jul 2026434 AMAQI
30th Jul 2026425 AMAQI
25°C20/33°C
30th Jul 2026416 AMAQI
30th Jul 2026437 AMAQI
30th Jul 2026428 AMAQI
30th Jul 2026459 AMAQI
30th Jul 20264110 AMAQI
30th Jul 20264211 AMAQI
30th Jul 20263912 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026332 PMAQI
30th Jul 2026253 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026365 PMAQI
30th Jul 2026376 PMAQI
30th Jul 2026387 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026249 PMAQI
30th Jul 20262510 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262712 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026302 AMAQI
31st Jul 2026283 AMAQI
31st Jul 2026244 AMAQI
31st Jul 2026285 AMAQI
25°C17/33°C
31st Jul 2026256 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026248 AMAQI
31st Jul 2026299 AMAQI
31st Jul 20263510 AMAQI
31st Jul 20263011 AMAQI
31st Jul 20262212 PMAQI
31st Jul 2026351 PMAQI
31st Jul 2026372 PMAQI
31st Jul 2026253 PMAQI
31st Jul 2026274 PMAQI
31st Jul 2026265 PMAQI
31st Jul 2026346 PMAQI
31st Jul 2026277 PMAQI
31st Jul 2026308 PMAQI
31st Jul 2026339 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20263411 PMAQI
1st Aug 20263312 AMAQI
1st Aug 2026431 AMAQI
1st Aug 2026412 AMAQI
1st Aug 2026423 AMAQI
1st Aug 2026424 AMAQI
1st Aug 2026445 AMAQI
24°C16/33°C
1st Aug 2026436 AMAQI
1st Aug 2026437 AMAQI
1st Aug 2026458 AMAQI
1st Aug 2026449 AMAQI
1st Aug 20264910 AMAQI
1st Aug 20265011 AMAQI
1st Aug 20265412 PMAQI
1st Aug 2026581 PMAQI
1st Aug 2026582 PMAQI
1st Aug 2026603 PMAQI
1st Aug 2026644 PMAQI
1st Aug 2026635 PMAQI
1st Aug 2026636 PMAQI
1st Aug 2026647 PMAQI
1st Aug 2026638 PMAQI
1st Aug 2026649 PMAQI
1st Aug 20266210 PMAQI
1st Aug 20266211 PMAQI
2nd Aug 20266112 AMAQI
2nd Aug 2026591 AMAQI
2nd Aug 2026582 AMAQI
2nd Aug 2026573 AMAQI
2nd Aug 2026574 AMAQI
2nd Aug 2026565 AMAQI
24°C18/32°C
2nd Aug 2026526 AMAQI
2nd Aug 2026467 AMAQI
2nd Aug 2026418 AMAQI
2nd Aug 2026379 AMAQI
2nd Aug 20262810 AMAQI
2nd Aug 20263711 AMAQI
2nd Aug 20264012 PMAQI
2nd Aug 2026371 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026423 PMAQI
2nd Aug 2026374 PMAQI
2nd Aug 2026395 PMAQI
2nd Aug 2026436 PMAQI
2nd Aug 2026417 PMAQI
2nd Aug 2026388 PMAQI
2nd Aug 2026459 PMAQI
2nd Aug 20264010 PMAQI
2nd Aug 20263711 PMAQI
3rd Aug 20263512 AMAQI
3rd Aug 2026311 AMAQI
3rd Aug 2026292 AMAQI
3rd Aug 2026263 AMAQI
3rd Aug 2026284 AMAQI
3rd Aug 2026265 AMAQI
24°C22/30°C
3rd Aug 2026386 AMAQI
3rd Aug 2026267 AMAQI
3rd Aug 2026388 AMAQI
3rd Aug 2026379 AMAQI
3rd Aug 20263810 AMAQI
3rd Aug 20263511 AMAQI
3rd Aug 20263412 PMAQI
3rd Aug 2026381 PMAQI
3rd Aug 2026342 PMAQI
3rd Aug 2026393 PMAQI
3rd Aug 2026334 PMAQI
3rd Aug 2026405 PMAQI
3rd Aug 2026406 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026438 PMAQI
3rd Aug 2026319 PMAQI
3rd Aug 20263910 PMAQI
3rd Aug 20264111 PMAQI
4th Aug 20264212 AMAQI
4th Aug 2026411 AMAQI
4th Aug 2026432 AMAQI
4th Aug 2026403 AMAQI
4th Aug 2026414 AMAQI
4th Aug 2026425 AMAQI
25°C21/32°C
4th Aug 2026426 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026479 AMAQI
4th Aug 20264310 AMAQI
4th Aug 20264311 AMAQI
4th Aug 20264512 PMAQI
4th Aug 2026481 PMAQI
4th Aug 2026512 PMAQI
4th Aug 2026513 PMAQI
4th Aug 2026484 PMAQI
4th Aug 2026505 PMAQI
4th Aug 2026536 PMAQI
4th Aug 2026477 PMAQI
4th Aug 2026458 PMAQI
4th Aug 2026269 PMAQI
4th Aug 20263110 PMAQI
4th Aug 20264411 PMAQI
5th Aug 20263812 AMAQI
5th Aug 2026251 AMAQI
5th Aug 2026392 AMAQI
5th Aug 2026323 AMAQI
5th Aug 2026234 AMAQI
5th Aug 2026365 AMAQI
25°C21/30°C
5th Aug 2026246 AMAQI
5th Aug 2026237 AMAQI
5th Aug 2026248 AMAQI
5th Aug 2026289 AMAQI
5th Aug 20263610 AMAQI
5th Aug 20262811 AMAQI
5th Aug 20263712 PMAQI
5th Aug 2026331 PMAQI
5th Aug 2026302 PMAQI
5th Aug 2026413 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026415 PMAQI
5th Aug 2026506 PMAQI
5th Aug 2026247 PMAQI
5th Aug 2026438 PMAQI
5th Aug 2026289 PMAQI
5th Aug 20264010 PMAQI
5th Aug 20263911 PMAQI
6th Aug 20264212 AMAQI
6th Aug 2026391 AMAQI
6th Aug 2026492 AMAQI
6th Aug 2026393 AMAQI
6th Aug 2026284 AMAQI
6th Aug 2026375 AMAQI
26°C22/31°C
6th Aug 2026286 AMAQI
6th Aug 2026327 AMAQI
6th Aug 2026428 AMAQI
6th Aug 2026259 AMAQI
6th Aug 20262310 AMAQI
6th Aug 20262811 AMAQI
6th Aug 20263912 PMAQI
6th Aug 2026421 PMAQI
6th Aug 2026472 PMAQI
6th Aug 2026403 PMAQI
6th Aug 2026374 PMAQI
6th Aug 2026375 PMAQI
6th Aug 2026456 PMAQI
6th Aug 2026367 PMAQI
6th Aug 2026458 PMAQI
6th Aug 2026519 PMAQI
6th Aug 20266510 PMAQI
6th Aug 20265411 PMAQI
7th Aug 20264412 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026242 AMAQI
7th Aug 2026253 AMAQI
7th Aug 2026294 AMAQI
7th Aug 2026215 AMAQI
27°C22/35°C
7th Aug 2026246 AMAQI
7th Aug 2026217 AMAQI
7th Aug 2026258 AMAQI
7th Aug 2026249 AMAQI
7th Aug 20262410 AMAQI
7th Aug 20263311 AMAQI
7th Aug 20263012 PMAQI
7th Aug 2026331 PMAQI
7th Aug 2026332 PMAQI
7th Aug 2026253 PMAQI
7th Aug 2026254 PMAQI
7th Aug 2026245 PMAQI
7th Aug 2026236 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026268 PMAQI
7th Aug 2026349 PMAQI
7th Aug 20263310 PMAQI
7th Aug 20262811 PMAQI
8th Aug 20262512 AMAQI
8th Aug 2026211 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026253 AMAQI
8th Aug 2026264 AMAQI
8th Aug 2026245 AMAQI
26°C20/34°C
8th Aug 2026256 AMAQI
8th Aug 2026257 AMAQI
8th Aug 2026218 AMAQI
8th Aug 2026269 AMAQI
8th Aug 20262910 AMAQI
8th Aug 20263511 AMAQI
8th Aug 20263312 PMAQI
8th Aug 2026291 PMAQI
8th Aug 2026372 PMAQI
8th Aug 2026413 PMAQI
8th Aug 2026384 PMAQI
8th Aug 2026255 PMAQI
8th Aug 2026256 PMAQI
8th Aug 2026367 PMAQI
8th Aug 2026378 PMAQI
8th Aug 2026289 PMAQI
8th Aug 20262710 PMAQI
8th Aug 20262411 PMAQI
9th Aug 20262512 AMAQI
9th Aug 2026331 AMAQI
9th Aug 2026252 AMAQI
9th Aug 2026243 AMAQI
9th Aug 2026264 AMAQI
9th Aug 2026285 AMAQI
27°C21/35°C
9th Aug 2026256 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026248 AMAQI
9th Aug 2026379 AMAQI
9th Aug 20262610 AMAQI
9th Aug 20262611 AMAQI
9th Aug 20262912 PMAQI
9th Aug 2026241 PMAQI
9th Aug 2026282 PMAQI
9th Aug 2026393 PMAQI
9th Aug 2026414 PMAQI
9th Aug 2026425 PMAQI
9th Aug 2026426 PMAQI
9th Aug 2026457 PMAQI
9th Aug 2026458 PMAQI
9th Aug 2026419 PMAQI
9th Aug 20264510 PMAQI
9th Aug 20264111 PMAQI
10th Aug 20264112 AMAQI
10th Aug 2026411 AMAQI
10th Aug 2026412 AMAQI
10th Aug 2026393 AMAQI
10th Aug 2026254 AMAQI
10th Aug 2026245 AMAQI
27°C20/36°C
10th Aug 2026256 AMAQI
10th Aug 2026237 AMAQI
10th Aug 2026218 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20262910 AMAQI
10th Aug 20262611 AMAQI
10th Aug 20263312 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026332 PMAQI
10th Aug 2026243 PMAQI
10th Aug 2026404 PMAQI
10th Aug 2026415 PMAQI
10th Aug 2026246 PMAQI
10th Aug 2026287 PMAQI
10th Aug 2026528 PMAQI
10th Aug 2026419 PMAQI
10th Aug 20264510 PMAQI
10th Aug 20264711 PMAQI
11th Aug 20264412 AMAQI
11th Aug 2026461 AMAQI
11th Aug 2026432 AMAQI
11th Aug 2026443 AMAQI
11th Aug 2026414 AMAQI
11th Aug 2026435 AMAQI
27°C21/35°C
11th Aug 2026436 AMAQI
11th Aug 2026437 AMAQI
11th Aug 2026438 AMAQI
11th Aug 2026409 AMAQI
11th Aug 20264110 AMAQI
11th Aug 20264111 AMAQI
11th Aug 20264012 PMAQI
11th Aug 2026401 PMAQI
11th Aug 2026412 PMAQI
11th Aug 2026393 PMAQI
11th Aug 2026404 PMAQI
11th Aug 2026425 PMAQI
11th Aug 2026486 PMAQI
11th Aug 2026477 PMAQI
11th Aug 2026458 PMAQI
11th Aug 2026449 PMAQI
11th Aug 20264010 PMAQI
11th Aug 20262611 PMAQI
12th Aug 20262812 AMAQI
12th Aug 2026261 AMAQI
12th Aug 2026332 AMAQI
12th Aug 2026223 AMAQI
12th Aug 2026404 AMAQI
12th Aug 2026295 AMAQI
26°C21/36°C
12th Aug 2026246 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026228 AMAQI
12th Aug 2026269 AMAQI
12th Aug 20262410 AMAQI
12th Aug 20262411 AMAQI
12th Aug 20262712 PMAQI
12th Aug 2026441 PMAQI
12th Aug 2026412 PMAQI
12th Aug 2026283 PMAQI
12th Aug 2026234 PMAQI
12th Aug 2026245 PMAQI
12th Aug 2026236 PMAQI
12th Aug 2026247 PMAQI
12th Aug 2026228 PMAQI
12th Aug 2026229 PMAQI
12th Aug 20262510 PMAQI
12th Aug 20263011 PMAQI
13th Aug 20262612 AMAQI
13th Aug 2026271 AMAQI
13th Aug 2026392 AMAQI
13th Aug 2026423 AMAQI
13th Aug 2026364 AMAQI
13th Aug 2026395 AMAQI
26°C20/36°C
13th Aug 2026376 AMAQI
13th Aug 2026237 AMAQI
13th Aug 2026268 AMAQI
13th Aug 2026299 AMAQI
13th Aug 20264310 AMAQI
13th Aug 20262511 AMAQI
13th Aug 20262612 PMAQI
13th Aug 2026231 PMAQI
13th Aug 2026402 PMAQI
13th Aug 2026323 PMAQI
13th Aug 2026374 PMAQI
13th Aug 2026385 PMAQI
13th Aug 2026306 PMAQI
13th Aug 2026427 PMAQI
13th Aug 2026418 PMAQI
13th Aug 2026419 PMAQI
13th Aug 20264410 PMAQI
13th Aug 20263911 PMAQI
14th Aug 20263312 AMAQI
14th Aug 2026251 AMAQI
14th Aug 2026282 AMAQI
14th Aug 2026293 AMAQI
14th Aug 2026294 AMAQI
14th Aug 2026435 AMAQI
27°C21/36°C
14th Aug 2026276 AMAQI
14th Aug 2026287 AMAQI
14th Aug 2026288 AMAQI
14th Aug 2026299 AMAQI
14th Aug 20263610 AMAQI
14th Aug 20263511 AMAQI
14th Aug 20264412 PMAQI
14th Aug 2026441 PMAQI
14th Aug 2026472 PMAQI
14th Aug 2026413 PMAQI
14th Aug 2026434 PMAQI
14th Aug 2026425 PMAQI
14th Aug 2026296 PMAQI
14th Aug 2026257 PMAQI
14th Aug 2026378 PMAQI
14th Aug 2026259 PMAQI
14th Aug 20262310 PMAQI
14th Aug 20262311 PMAQI
15th Aug 20263712 AMAQI
15th Aug 2026451 AMAQI
15th Aug 2026242 AMAQI
15th Aug 2026393 AMAQI
15th Aug 2026434 AMAQI
15th Aug 2026335 AMAQI
29°C23/37°C
15th Aug 2026386 AMAQI
15th Aug 2026357 AMAQI
15th Aug 2026248 AMAQI
15th Aug 2026259 AMAQI
15th Aug 20262810 AMAQI
15th Aug 20262811 AMAQI
15th Aug 20263912 PMAQI
15th Aug 2026451 PMAQI
15th Aug 2026252 PMAQI
15th Aug 2026373 PMAQI
15th Aug 2026264 PMAQI
15th Aug 2026435 PMAQI
15th Aug 2026486 PMAQI
15th Aug 2026557 PMAQI
15th Aug 2026288 PMAQI
15th Aug 2026259 PMAQI
15th Aug 20262210 PMAQI
15th Aug 20262811 PMAQI
16th Aug 20262512 AMAQI
16th Aug 2026211 AMAQI
16th Aug 2026252 AMAQI
16th Aug 2026283 AMAQI
16th Aug 2026264 AMAQI
16th Aug 2026215 AMAQI
28°C23/37°C
16th Aug 2026286 AMAQI
6 AM16th Aug 2026307 AMAQI
16th Aug 2026218 AMAQI
16th Aug 2026299 AMAQI
16th Aug 20263910 AMAQI
16th Aug 20263911 AMAQI
16th Aug 20264212 PMAQI
16th Aug 2026421 PMAQI
1 PM16th Aug 2026412 PMAQI
16th Aug 2026433 PMAQI
16th Aug 2026414 PMAQI
16th Aug 2026445 PMAQI
16th Aug 2026426 PMAQI
16th Aug 2026337 PMAQI
16th Aug 2026368 PMAQI
8 PM16th Aug 2026369 PMAQI
16th Aug 20264110 PMAQI
16th Aug 20263611 PMAQI
1 AM
5 AM
28°C23/38°C
Day time
Avg. Highest Time
1 PM - 5 PM
41AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
6 AM - 11 AM
36AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 PM to 5 PM (Avg. 41), while the lowest AQI was between 6 AM to 11 AM (Avg. 36).
Night time
Avg. Highest Time
2 AM
39AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 AM - 9 PM
37AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 39), while the lowest AQI was between 3 AM to 9 PM (Avg. 37).
2026 Days Vs Air Quality
Winston Salem, North Carolina, United States
2026
96%
216
4%
9
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
216 DaysModerate
9 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 228 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
Winston Salem, North Carolina, 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
26AQI (US)
26AQI (US)
2nd January 2026
44AQI (US)
44AQI (US)
3rd January 2026
42AQI (US)
42AQI (US)
4th January 2026
50AQI (US)
50AQI (US)
5th January 2026
45AQI (US)
45AQI (US)
6th January 2026
62AQI (US)
62AQI (US)
7th January 2026
36AQI (US)
36AQI (US)
8th January 2026
41AQI (US)
41AQI (US)
9th January 2026
59AQI (US)
59AQI (US)
10th January 2026
41AQI (US)
41AQI (US)
11th January 2026
13AQI (US)
13AQI (US)
12th January 2026
18AQI (US)
18AQI (US)
13th January 2026
34AQI (US)
34AQI (US)
14th January 2026
48AQI (US)
48AQI (US)
15th January 2026
18AQI (US)
18AQI (US)
16th January 2026
20AQI (US)
20AQI (US)
17th January 2026
45AQI (US)
45AQI (US)
18th January 2026
44AQI (US)
44AQI (US)
19th January 2026
35AQI (US)
35AQI (US)
20th January 2026
25AQI (US)
25AQI (US)
21st January 2026
45AQI (US)
45AQI (US)
22nd January 2026
45AQI (US)
45AQI (US)
23rd January 2026
41AQI (US)
41AQI (US)
24th January 2026
29AQI (US)
29AQI (US)
25th January 2026
41AQI (US)
41AQI (US)
26th January 2026
41AQI (US)
41AQI (US)
27th January 2026
32AQI (US)
32AQI (US)
28th January 2026
27AQI (US)
27AQI (US)
29th January 2026
42AQI (US)
42AQI (US)
30th January 2026
48AQI (US)
48AQI (US)
31st January 2026
34AQI (US)
34AQI (US)
1st February 2026
38AQI (US)
38AQI (US)
2nd February 2026
49AQI (US)
49AQI (US)
3rd February 2026
40AQI (US)
40AQI (US)
4th February 2026
34AQI (US)
34AQI (US)
5th February 2026
40AQI (US)
40AQI (US)
6th February 2026
34AQI (US)
34AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
42AQI (US)
42AQI (US)
9th February 2026
35AQI (US)
35AQI (US)
10th February 2026
36AQI (US)
36AQI (US)
11th February 2026
32AQI (US)
32AQI (US)
12th February 2026
34AQI (US)
34AQI (US)
13th February 2026
37AQI (US)
37AQI (US)
14th February 2026
30AQI (US)
30AQI (US)
15th February 2026
35AQI (US)
35AQI (US)
16th February 2026
45AQI (US)
45AQI (US)
17th February 2026
29AQI (US)
29AQI (US)
18th February 2026
36AQI (US)
36AQI (US)
19th February 2026
32AQI (US)
32AQI (US)
20th February 2026
28AQI (US)
28AQI (US)
21st February 2026
30AQI (US)
30AQI (US)
22nd February 2026
36AQI (US)
36AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
38AQI (US)
38AQI (US)
25th February 2026
40AQI (US)
40AQI (US)
26th February 2026
28AQI (US)
28AQI (US)
27th February 2026
26AQI (US)
26AQI (US)
28th February 2026
24AQI (US)
24AQI (US)
1st March 2026
30AQI (US)
30AQI (US)
2nd March 2026
40AQI (US)
40AQI (US)
3rd March 2026
29AQI (US)
29AQI (US)
4th March 2026
35AQI (US)
35AQI (US)
5th March 2026
31AQI (US)
31AQI (US)
6th March 2026
30AQI (US)
30AQI (US)
7th March 2026
28AQI (US)
28AQI (US)
8th March 2026
25AQI (US)
25AQI (US)
9th March 2026
34AQI (US)
34AQI (US)
10th March 2026
25AQI (US)
25AQI (US)
11th March 2026
33AQI (US)
33AQI (US)
12th March 2026
31AQI (US)
31AQI (US)
13th March 2026
36AQI (US)
36AQI (US)
14th March 2026
23AQI (US)
23AQI (US)
15th March 2026
19AQI (US)
19AQI (US)
16th March 2026
26AQI (US)
26AQI (US)
17th March 2026
33AQI (US)
33AQI (US)
18th March 2026
29AQI (US)
29AQI (US)
19th March 2026
25AQI (US)
25AQI (US)
20th March 2026
37AQI (US)
37AQI (US)
21st March 2026
38AQI (US)
38AQI (US)
22nd March 2026
30AQI (US)
30AQI (US)
23rd March 2026
32AQI (US)
32AQI (US)
24th March 2026
29AQI (US)
29AQI (US)
25th March 2026
24AQI (US)
24AQI (US)
26th March 2026
25AQI (US)
25AQI (US)
27th March 2026
32AQI (US)
32AQI (US)
28th March 2026
26AQI (US)
26AQI (US)
29th March 2026
18AQI (US)
18AQI (US)
30th March 2026
20AQI (US)
20AQI (US)
31st March 2026
21AQI (US)
21AQI (US)
1st April 2026
26AQI (US)
26AQI (US)
2nd April 2026
21AQI (US)
21AQI (US)
3rd April 2026
16AQI (US)
16AQI (US)
4th April 2026
25AQI (US)
25AQI (US)
5th April 2026
27AQI (US)
27AQI (US)
6th April 2026
29AQI (US)
29AQI (US)
7th April 2026
23AQI (US)
23AQI (US)
8th April 2026
27AQI (US)
27AQI (US)
9th April 2026
20AQI (US)
20AQI (US)
10th April 2026
25AQI (US)
25AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
24AQI (US)
24AQI (US)
13th April 2026
21AQI (US)
21AQI (US)
14th April 2026
22AQI (US)
22AQI (US)
15th April 2026
30AQI (US)
30AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
18th April 2026
23AQI (US)
23AQI (US)
19th April 2026
24AQI (US)
24AQI (US)
20th April 2026
16AQI (US)
16AQI (US)
21st April 2026
18AQI (US)
18AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
25AQI (US)
25AQI (US)
25th April 2026
26AQI (US)
26AQI (US)
26th April 2026
26AQI (US)
26AQI (US)
27th April 2026
23AQI (US)
23AQI (US)
28th April 2026
22AQI (US)
22AQI (US)
29th April 2026
21AQI (US)
21AQI (US)
30th April 2026
19AQI (US)
19AQI (US)
1st May 2026
22AQI (US)
22AQI (US)
2nd May 2026
18AQI (US)
18AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
32AQI (US)
32AQI (US)
5th May 2026
35AQI (US)
35AQI (US)
6th May 2026
27AQI (US)
27AQI (US)
7th May 2026
21AQI (US)
21AQI (US)
8th May 2026
22AQI (US)
22AQI (US)
9th May 2026
10th May 2026
25AQI (US)
25AQI (US)
11th May 2026
26AQI (US)
26AQI (US)
12th May 2026
25AQI (US)
25AQI (US)
13th May 2026
23AQI (US)
23AQI (US)
14th May 2026
17AQI (US)
17AQI (US)
15th May 2026
35AQI (US)
35AQI (US)
16th May 2026
46AQI (US)
46AQI (US)
17th May 2026
52AQI (US)
52AQI (US)
18th May 2026
54AQI (US)
54AQI (US)
19th May 2026
54AQI (US)
54AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
43AQI (US)
43AQI (US)
22nd May 2026
38AQI (US)
38AQI (US)
23rd May 2026
47AQI (US)
47AQI (US)
24th May 2026
45AQI (US)
45AQI (US)
25th May 2026
39AQI (US)
39AQI (US)
26th May 2026
20AQI (US)
20AQI (US)
27th May 2026
14AQI (US)
14AQI (US)
28th May 2026
16AQI (US)
16AQI (US)
29th May 2026
17AQI (US)
17AQI (US)
30th May 2026
18AQI (US)
18AQI (US)
31st May 2026
14AQI (US)
14AQI (US)
1st June 2026
19AQI (US)
19AQI (US)
2nd June 2026
15AQI (US)
15AQI (US)
3rd June 2026
18AQI (US)
18AQI (US)
4th June 2026
16AQI (US)
16AQI (US)
5th June 2026
25AQI (US)
25AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
18AQI (US)
18AQI (US)
8th June 2026
20AQI (US)
20AQI (US)
9th June 2026
20AQI (US)
20AQI (US)
10th June 2026
19AQI (US)
19AQI (US)
11th June 2026
19AQI (US)
19AQI (US)
12th June 2026
19AQI (US)
19AQI (US)
13th June 2026
13AQI (US)
13AQI (US)
14th June 2026
17AQI (US)
17AQI (US)
15th June 2026
13AQI (US)
13AQI (US)
16th June 2026
15AQI (US)
15AQI (US)
17th June 2026
19AQI (US)
19AQI (US)
18th June 2026
20AQI (US)
20AQI (US)
19th June 2026
15AQI (US)
15AQI (US)
20th June 2026
17AQI (US)
17AQI (US)
21st June 2026
14AQI (US)
14AQI (US)
22nd June 2026
16AQI (US)
16AQI (US)
23rd June 2026
18AQI (US)
18AQI (US)
24th June 2026
13AQI (US)
13AQI (US)
25th June 2026
16AQI (US)
16AQI (US)
26th June 2026
18AQI (US)
18AQI (US)
27th June 2026
21AQI (US)
21AQI (US)
28th June 2026
17AQI (US)
17AQI (US)
29th June 2026
16AQI (US)
16AQI (US)
30th June 2026
15AQI (US)
15AQI (US)
1st July 2026
23AQI (US)
23AQI (US)
2nd July 2026
36AQI (US)
36AQI (US)
3rd July 2026
34AQI (US)
34AQI (US)
4th July 2026
33AQI (US)
33AQI (US)
5th July 2026
50AQI (US)
50AQI (US)
6th July 2026
30AQI (US)
30AQI (US)
7th July 2026
19AQI (US)
19AQI (US)
8th July 2026
12AQI (US)
12AQI (US)
9th July 2026
14AQI (US)
14AQI (US)
10th July 2026
14AQI (US)
14AQI (US)
11th July 2026
12AQI (US)
12AQI (US)
12th July 2026
10AQI (US)
10AQI (US)
13th July 2026
15AQI (US)
15AQI (US)
14th July 2026
18AQI (US)
18AQI (US)
15th July 2026
19AQI (US)
19AQI (US)
16th July 2026
21AQI (US)
21AQI (US)
17th July 2026
55AQI (US)
55AQI (US)
18th July 2026
74AQI (US)
74AQI (US)
19th July 2026
33AQI (US)
33AQI (US)
20th July 2026
45AQI (US)
45AQI (US)
21st July 2026
39AQI (US)
39AQI (US)
22nd July 2026
37AQI (US)
37AQI (US)
23rd July 2026
31AQI (US)
31AQI (US)
24th July 2026
26AQI (US)
26AQI (US)
25th July 2026
32AQI (US)
32AQI (US)
26th July 2026
36AQI (US)
36AQI (US)
27th July 2026
43AQI (US)
43AQI (US)
28th July 2026
60AQI (US)
60AQI (US)
29th July 2026
47AQI (US)
47AQI (US)
30th July 2026
37AQI (US)
37AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
52AQI (US)
52AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
35AQI (US)
35AQI (US)
4th August 2026
44AQI (US)
44AQI (US)
5th August 2026
32AQI (US)
32AQI (US)
6th August 2026
40AQI (US)
40AQI (US)
7th August 2026
28AQI (US)
28AQI (US)
8th August 2026
28AQI (US)
28AQI (US)
9th August 2026
33AQI (US)
33AQI (US)
10th August 2026
33AQI (US)
33AQI (US)
11th August 2026
42AQI (US)
42AQI (US)
12th August 2026
27AQI (US)
27AQI (US)
13th August 2026
34AQI (US)
34AQI (US)
14th August 2026
33AQI (US)
33AQI (US)
15th August 2026
34AQI (US)
34AQI (US)
16th August 2026
34AQI (US)
34AQI (US)
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
38AQI (US)
35AQI (US)
29AQI (US)
24AQI (US)
31AQI (US)
18AQI (US)
32AQI (US)
36AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202630AQI (US)
29
2
28
31
28
27
3
30
28
3
15
1
216
9
Highest AQI (US) recorded in
January38AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202537AQI (US)
29
2
28
28
3
27
3
31
25
5
23
8
28
3
26
4
26
5
20
10
21
10
312
53
Highest AQI (US) recorded in
December44AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
202435AQI (US)
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 (US) recorded in
June42AQI (US)
Lowest AQI (US) recorded in
January27AQI (US)
202342AQI (US)
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 (US) recorded in
June64AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202236AQI (US)
28
2
20
1
28
3
28
2
26
5
26
4
21
3
1
26
3
24
7
30
25
6
283
36
Highest AQI (US) recorded in
June43AQI (US)
Lowest AQI (US) recorded in
February31AQI (US)
202134AQI (US)
26
3
26
2
26
5
24
6
27
4
29
1
17
13
1
28
3
30
31
26
4
29
2
319
43
1
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
October20AQI (US)
202036AQI (US)
11
2
20
18
26
4
29
2
31
29
1
29
2
25
5
26
5
244
21
Highest AQI (US) recorded in
June40AQI (US)
Lowest AQI (US) recorded in
May30AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
42AQI (US)Least Polluted Year Recorded
2026(Avg.)
30AQI (US)Winston Salem's annual 2026 AQI (US) (30) shows an average percentage change of -17.8% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (34), 2022 (36), 2023 (42), 2024 (35), 2025 (37).
