Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Denver, Colorado, 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

Denver, Colorado, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
4th Aug 2026
64AQI
Lowest AQI recorded on
19th Aug 2025
22AQI

Same Day Analysis (7th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 58 of Moderate air quality on the same day.

Day & Night AQI Trend: 7th Aug - 8th Aug 2026

Denver, Colorado, United States

AQI
Day
Night
.

5 AM7th Aug 2026

8 PM

4 AM8th Aug 2026

Day time
Avg. Highest Time
9AM7th Aug

84AQI

Avg. Lowest Time
7AM7th Aug

52AQI

Night time
Avg. Highest Time
1AM8th Aug

57AQI

Avg. Lowest Time
5AM7th Aug

53AQI

In the last 24 hours,

Denver's AQI reached its highest point of 84 at 9 AM during the Day, while the lowest point, 52, was recorded at 7 AM during the Day between 7th Aug and 8th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Denver, Colorado, United States

JulAug
10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th
Day
Night
10th Jul 2026145 AMAQI
10th Jul 2026136 AMAQI
10th Jul 2026147 AMAQI
10th Jul 2026178 AMAQI
10th Jul 2026199 AMAQI
10th Jul 20262010 AMAQI
10th Jul 20261911 AMAQI
10th Jul 20262012 PMAQI
10th Jul 2026201 PMAQI
10th Jul 2026192 PMAQI
10th Jul 2026193 PMAQI
10th Jul 2026184 PMAQI
10th Jul 2026185 PMAQI
10th Jul 2026186 PMAQI
10th Jul 2026197 PMAQI
10th Jul 2026188 PMAQI
10th Jul 2026169 PMAQI
10th Jul 20261710 PMAQI
10th Jul 20261811 PMAQI
11th Jul 20261612 AMAQI
11th Jul 2026141 AMAQI
11th Jul 2026142 AMAQI
11th Jul 2026143 AMAQI
11th Jul 2026124 AMAQI

25°C18/33°C

11th Jul 2026115 AMAQI
11th Jul 2026106 AMAQI
11th Jul 2026127 AMAQI
11th Jul 2026118 AMAQI
11th Jul 2026149 AMAQI
11th Jul 20261510 AMAQI
11th Jul 20261711 AMAQI
11th Jul 20261712 PMAQI
11th Jul 2026181 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026203 PMAQI
11th Jul 2026184 PMAQI
11th Jul 2026145 PMAQI
11th Jul 2026136 PMAQI
11th Jul 2026127 PMAQI
11th Jul 2026128 PMAQI
11th Jul 2026129 PMAQI
11th Jul 20261210 PMAQI
11th Jul 20261311 PMAQI
12th Jul 20261412 AMAQI
12th Jul 2026131 AMAQI
12th Jul 2026122 AMAQI
12th Jul 2026123 AMAQI
12th Jul 2026124 AMAQI

28°C19/36°C

12th Jul 2026135 AMAQI
12th Jul 2026136 AMAQI
12th Jul 2026137 AMAQI
12th Jul 2026148 AMAQI
12th Jul 2026169 AMAQI
12th Jul 20261710 AMAQI
12th Jul 20261811 AMAQI
12th Jul 20261912 PMAQI
12th Jul 2026201 PMAQI
12th Jul 2026202 PMAQI
12th Jul 2026173 PMAQI
12th Jul 2026164 PMAQI
12th Jul 2026125 PMAQI
12th Jul 2026126 PMAQI
12th Jul 2026137 PMAQI
12th Jul 2026148 PMAQI
12th Jul 2026159 PMAQI
12th Jul 20261410 PMAQI
12th Jul 20261411 PMAQI
13th Jul 20261312 AMAQI
13th Jul 2026141 AMAQI
13th Jul 2026132 AMAQI
13th Jul 2026133 AMAQI
13th Jul 2026124 AMAQI

29°C21/37°C

13th Jul 2026145 AMAQI
13th Jul 2026136 AMAQI
13th Jul 2026137 AMAQI
13th Jul 2026148 AMAQI
13th Jul 2026179 AMAQI
13th Jul 20262410 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262712 PMAQI
13th Jul 2026271 PMAQI
13th Jul 2026282 PMAQI
13th Jul 2026263 PMAQI
13th Jul 2026244 PMAQI
13th Jul 2026235 PMAQI
13th Jul 2026216 PMAQI
13th Jul 2026207 PMAQI
13th Jul 2026198 PMAQI
13th Jul 2026199 PMAQI
13th Jul 20261910 PMAQI
13th Jul 20261611 PMAQI
14th Jul 20261712 AMAQI
14th Jul 2026171 AMAQI
14th Jul 2026162 AMAQI
14th Jul 2026163 AMAQI
14th Jul 2026154 AMAQI

29°C21/37°C

14th Jul 2026145 AMAQI
14th Jul 2026146 AMAQI
14th Jul 2026187 AMAQI
14th Jul 2026258 AMAQI
14th Jul 2026269 AMAQI
14th Jul 20262510 AMAQI
14th Jul 20263211 AMAQI
14th Jul 20263412 PMAQI
14th Jul 2026351 PMAQI
14th Jul 2026352 PMAQI
14th Jul 2026303 PMAQI
14th Jul 2026284 PMAQI
14th Jul 2026265 PMAQI
14th Jul 2026236 PMAQI
14th Jul 2026207 PMAQI
14th Jul 2026188 PMAQI
14th Jul 2026189 PMAQI
14th Jul 20261810 PMAQI
14th Jul 20261711 PMAQI
15th Jul 20261912 AMAQI
15th Jul 2026201 AMAQI
15th Jul 2026202 AMAQI
15th Jul 2026183 AMAQI
15th Jul 2026184 AMAQI

28°C20/36°C

15th Jul 2026165 AMAQI
15th Jul 2026176 AMAQI
15th Jul 2026197 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026229 AMAQI
15th Jul 20262510 AMAQI
15th Jul 20262811 AMAQI
15th Jul 20262912 PMAQI
15th Jul 2026321 PMAQI
15th Jul 2026342 PMAQI
15th Jul 2026383 PMAQI
15th Jul 2026334 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026276 PMAQI
15th Jul 2026237 PMAQI
15th Jul 2026208 PMAQI
15th Jul 2026209 PMAQI
15th Jul 20262210 PMAQI
15th Jul 20262211 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026241 AMAQI
16th Jul 2026212 AMAQI
16th Jul 2026183 AMAQI
16th Jul 2026164 AMAQI

28°C20/35°C

16th Jul 2026155 AMAQI
16th Jul 2026176 AMAQI
16th Jul 2026197 AMAQI
16th Jul 2026248 AMAQI
16th Jul 2026269 AMAQI
16th Jul 20262810 AMAQI
16th Jul 20262911 AMAQI
16th Jul 20263412 PMAQI
16th Jul 2026361 PMAQI
16th Jul 2026342 PMAQI
16th Jul 2026323 PMAQI
16th Jul 2026314 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026286 PMAQI
16th Jul 2026247 PMAQI
16th Jul 2026228 PMAQI
16th Jul 2026229 PMAQI
16th Jul 20262010 PMAQI
16th Jul 20261411 PMAQI
17th Jul 20261212 AMAQI
17th Jul 2026141 AMAQI
17th Jul 2026182 AMAQI
17th Jul 2026253 AMAQI
17th Jul 2026184 AMAQI

27°C20/34°C

17th Jul 2026255 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026317 AMAQI
17th Jul 2026298 AMAQI
17th Jul 2026269 AMAQI
17th Jul 20263010 AMAQI
17th Jul 20262711 AMAQI
17th Jul 20263512 PMAQI
17th Jul 2026361 PMAQI
17th Jul 2026332 PMAQI
17th Jul 2026323 PMAQI
17th Jul 2026334 PMAQI
17th Jul 2026335 PMAQI
17th Jul 2026276 PMAQI
17th Jul 2026207 PMAQI
17th Jul 2026378 PMAQI
17th Jul 2026359 PMAQI
17th Jul 20263510 PMAQI
17th Jul 20263311 PMAQI
18th Jul 20263312 AMAQI
18th Jul 2026301 AMAQI
18th Jul 2026312 AMAQI
18th Jul 2026313 AMAQI
18th Jul 2026314 AMAQI

28°C22/34°C

18th Jul 2026315 AMAQI
18th Jul 2026316 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026318 AMAQI
18th Jul 2026319 AMAQI
18th Jul 20263110 AMAQI
18th Jul 20263311 AMAQI
18th Jul 20263712 PMAQI
18th Jul 2026311 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026453 PMAQI
18th Jul 2026424 PMAQI
18th Jul 2026425 PMAQI
18th Jul 2026426 PMAQI
18th Jul 2026397 PMAQI
18th Jul 2026378 PMAQI
18th Jul 2026379 PMAQI
18th Jul 20263810 PMAQI
18th Jul 20262511 PMAQI
19th Jul 20263112 AMAQI
19th Jul 2026321 AMAQI
19th Jul 2026312 AMAQI
19th Jul 2026303 AMAQI
19th Jul 2026374 AMAQI

28°C21/35°C

19th Jul 2026335 AMAQI
19th Jul 2026336 AMAQI
19th Jul 2026277 AMAQI
19th Jul 2026338 AMAQI
19th Jul 2026249 AMAQI
19th Jul 20263110 AMAQI
19th Jul 20263611 AMAQI
19th Jul 20263112 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026302 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026285 PMAQI
19th Jul 2026246 PMAQI
19th Jul 2026227 PMAQI
19th Jul 2026318 PMAQI
19th Jul 2026309 PMAQI
19th Jul 20262510 PMAQI
19th Jul 20262511 PMAQI
20th Jul 20262012 AMAQI
20th Jul 2026181 AMAQI
20th Jul 2026222 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026304 AMAQI

29°C22/37°C

20th Jul 2026265 AMAQI
20th Jul 2026256 AMAQI
20th Jul 2026287 AMAQI
20th Jul 2026268 AMAQI
20th Jul 2026359 AMAQI
20th Jul 20262610 AMAQI
20th Jul 20262811 AMAQI
20th Jul 20264012 PMAQI
20th Jul 2026461 PMAQI
20th Jul 2026492 PMAQI
20th Jul 2026423 PMAQI
20th Jul 2026454 PMAQI
20th Jul 2026335 PMAQI
20th Jul 2026336 PMAQI
20th Jul 2026407 PMAQI
20th Jul 2026478 PMAQI
20th Jul 20264410 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20264612 AMAQI
21st Jul 2026421 AMAQI
21st Jul 2026392 AMAQI
21st Jul 2026423 AMAQI
21st Jul 2026334 AMAQI

31°C24/39°C

21st Jul 2026355 AMAQI
21st Jul 2026306 AMAQI
21st Jul 2026367 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026479 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026442 PMAQI
21st Jul 2026423 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026345 PMAQI
21st Jul 2026296 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026268 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20263410 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20263512 AMAQI
22nd Jul 2026321 AMAQI
22nd Jul 2026242 AMAQI
22nd Jul 2026333 AMAQI
22nd Jul 2026294 AMAQI

29°C21/37°C

22nd Jul 2026305 AMAQI
22nd Jul 2026316 AMAQI
22nd Jul 2026317 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026339 AMAQI
22nd Jul 20263510 AMAQI
22nd Jul 20262911 AMAQI
22nd Jul 20262912 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026263 PMAQI
22nd Jul 2026254 PMAQI
22nd Jul 2026265 PMAQI
22nd Jul 2026266 PMAQI
22nd Jul 2026267 PMAQI
22nd Jul 2026288 PMAQI
22nd Jul 2026249 PMAQI
22nd Jul 20263310 PMAQI
22nd Jul 20263911 PMAQI
23rd Jul 20263812 AMAQI
23rd Jul 2026361 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026303 AMAQI
23rd Jul 2026354 AMAQI

25°C21/35°C

23rd Jul 2026335 AMAQI
23rd Jul 2026376 AMAQI
23rd Jul 2026267 AMAQI
23rd Jul 2026288 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20262410 AMAQI
23rd Jul 20262111 AMAQI
23rd Jul 20262112 PMAQI
23rd Jul 2026221 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026224 PMAQI
23rd Jul 2026205 PMAQI
23rd Jul 2026196 PMAQI
23rd Jul 2026217 PMAQI
23rd Jul 2026268 PMAQI
23rd Jul 2026339 PMAQI
23rd Jul 20263210 PMAQI
23rd Jul 20263911 PMAQI
24th Jul 20263812 AMAQI
24th Jul 2026251 AMAQI
24th Jul 2026332 AMAQI
24th Jul 2026333 AMAQI
24th Jul 2026334 AMAQI

26°C21/32°C

24th Jul 2026335 AMAQI
24th Jul 2026366 AMAQI
24th Jul 2026397 AMAQI
24th Jul 2026288 AMAQI
24th Jul 2026309 AMAQI
24th Jul 20263210 AMAQI
24th Jul 20262811 AMAQI
24th Jul 20263212 PMAQI
24th Jul 2026321 PMAQI
24th Jul 2026312 PMAQI
24th Jul 2026373 PMAQI
24th Jul 2026324 PMAQI
24th Jul 2026335 PMAQI
24th Jul 2026266 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026398 PMAQI
24th Jul 2026319 PMAQI
24th Jul 20263210 PMAQI
24th Jul 20263311 PMAQI
25th Jul 20263712 AMAQI
25th Jul 2026321 AMAQI
25th Jul 2026352 AMAQI
25th Jul 2026373 AMAQI
25th Jul 2026344 AMAQI

28°C22/36°C

25th Jul 2026275 AMAQI
25th Jul 2026306 AMAQI
25th Jul 2026337 AMAQI
25th Jul 2026318 AMAQI
25th Jul 2026319 AMAQI
25th Jul 20263110 AMAQI
25th Jul 20263111 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026341 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026243 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026325 PMAQI
25th Jul 2026276 PMAQI
25th Jul 2026247 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026259 PMAQI
25th Jul 20262510 PMAQI
25th Jul 20262511 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026141 AMAQI
26th Jul 2026182 AMAQI
26th Jul 2026253 AMAQI
26th Jul 2026294 AMAQI

29°C23/38°C

26th Jul 2026245 AMAQI
26th Jul 2026316 AMAQI
26th Jul 2026317 AMAQI
26th Jul 2026318 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20263110 AMAQI
26th Jul 20263211 AMAQI
26th Jul 20263112 PMAQI
26th Jul 2026301 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026213 PMAQI
26th Jul 2026134 PMAQI
26th Jul 2026315 PMAQI
26th Jul 2026206 PMAQI
26th Jul 2026287 PMAQI
26th Jul 2026318 PMAQI
26th Jul 2026319 PMAQI
26th Jul 20263010 PMAQI
26th Jul 20263011 PMAQI
27th Jul 20263112 AMAQI
27th Jul 2026311 AMAQI
27th Jul 2026282 AMAQI
27th Jul 2026123 AMAQI
27th Jul 2026164 AMAQI

31°C25/39°C

27th Jul 2026165 AMAQI
27th Jul 2026186 AMAQI
27th Jul 2026247 AMAQI
27th Jul 2026338 AMAQI
27th Jul 2026259 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262811 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026251 PMAQI
27th Jul 2026372 PMAQI
27th Jul 2026363 PMAQI
27th Jul 2026354 PMAQI
27th Jul 2026345 PMAQI
27th Jul 2026376 PMAQI
27th Jul 2026227 PMAQI
27th Jul 2026308 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20263712 AMAQI
28th Jul 2026451 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026424 AMAQI

27°C23/34°C

28th Jul 2026355 AMAQI
28th Jul 2026456 AMAQI
28th Jul 2026327 AMAQI
28th Jul 2026428 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20263211 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026461 PMAQI
28th Jul 2026442 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026314 PMAQI
28th Jul 2026315 PMAQI
28th Jul 2026476 PMAQI
28th Jul 2026387 PMAQI
28th Jul 2026318 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20263012 AMAQI
29th Jul 2026321 AMAQI
29th Jul 2026322 AMAQI
29th Jul 2026343 AMAQI
29th Jul 2026384 AMAQI

25°C22/34°C

29th Jul 2026505 AMAQI
29th Jul 2026546 AMAQI
29th Jul 2026547 AMAQI
29th Jul 2026568 AMAQI
29th Jul 2026549 AMAQI
29th Jul 20264910 AMAQI
29th Jul 20263411 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026241 PMAQI
29th Jul 2026242 PMAQI
29th Jul 2026223 PMAQI
29th Jul 2026324 PMAQI
29th Jul 2026315 PMAQI
29th Jul 2026656 PMAQI
29th Jul 2026437 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026229 PMAQI
29th Jul 20264410 PMAQI
29th Jul 20266111 PMAQI
30th Jul 20264212 AMAQI
30th Jul 2026331 AMAQI
30th Jul 2026432 AMAQI
30th Jul 2026413 AMAQI
30th Jul 2026284 AMAQI

24°C21/33°C

30th Jul 2026255 AMAQI
30th Jul 2026216 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026278 AMAQI
30th Jul 2026349 AMAQI
30th Jul 20264810 AMAQI
30th Jul 20265611 AMAQI
30th Jul 20265712 PMAQI
30th Jul 2026411 PMAQI
30th Jul 2026482 PMAQI
30th Jul 2026353 PMAQI
30th Jul 2026304 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026307 PMAQI
30th Jul 2026308 PMAQI
30th Jul 2026319 PMAQI
30th Jul 20263010 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20263012 AMAQI
31st Jul 2026251 AMAQI
31st Jul 2026262 AMAQI
31st Jul 2026263 AMAQI
31st Jul 2026284 AMAQI

27°C20/35°C

31st Jul 2026295 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026307 AMAQI
31st Jul 2026418 AMAQI
31st Jul 2026399 AMAQI
31st Jul 20263310 AMAQI
31st Jul 20263411 AMAQI
31st Jul 20263212 PMAQI
31st Jul 2026341 PMAQI
31st Jul 2026322 PMAQI
31st Jul 2026323 PMAQI
31st Jul 2026304 PMAQI
31st Jul 2026305 PMAQI
31st Jul 2026316 PMAQI
31st Jul 2026307 PMAQI
31st Jul 2026318 PMAQI
31st Jul 2026329 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20263411 PMAQI
1st Aug 20263412 AMAQI
1st Aug 2026331 AMAQI
1st Aug 2026362 AMAQI
1st Aug 2026363 AMAQI
1st Aug 2026354 AMAQI

25°C21/33°C

1st Aug 2026325 AMAQI
1st Aug 2026326 AMAQI
1st Aug 2026337 AMAQI
1st Aug 2026328 AMAQI
1st Aug 2026349 AMAQI
1st Aug 20263410 AMAQI
1st Aug 20263711 AMAQI
1st Aug 20263812 PMAQI
1st Aug 2026361 PMAQI
1st Aug 2026382 PMAQI
1st Aug 2026363 PMAQI
1st Aug 2026324 PMAQI
1st Aug 2026265 PMAQI
1st Aug 2026256 PMAQI
1st Aug 2026247 PMAQI
1st Aug 2026258 PMAQI
1st Aug 2026219 PMAQI
1st Aug 20261910 PMAQI
1st Aug 20261811 PMAQI
2nd Aug 20262212 AMAQI
2nd Aug 2026181 AMAQI
2nd Aug 2026262 AMAQI
2nd Aug 2026283 AMAQI
2nd Aug 2026264 AMAQI

27°C20/35°C

2nd Aug 2026265 AMAQI
2nd Aug 2026286 AMAQI
2nd Aug 2026277 AMAQI
2nd Aug 2026288 AMAQI
2nd Aug 2026279 AMAQI
2nd Aug 20262610 AMAQI
2nd Aug 20263011 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026291 PMAQI
2nd Aug 2026262 PMAQI
2nd Aug 2026223 PMAQI
2nd Aug 2026244 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026336 PMAQI
2nd Aug 2026497 PMAQI
2nd Aug 2026498 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20263410 PMAQI
2nd Aug 20262611 PMAQI
3rd Aug 20262012 AMAQI
3rd Aug 2026281 AMAQI
3rd Aug 2026352 AMAQI
3rd Aug 2026333 AMAQI
3rd Aug 2026434 AMAQI

31°C22/39°C

3rd Aug 2026445 AMAQI
3rd Aug 2026366 AMAQI
3rd Aug 2026347 AMAQI
3rd Aug 2026548 AMAQI
3rd Aug 2026929 AMAQI
3rd Aug 20269010 AMAQI
3rd Aug 20268411 AMAQI
3rd Aug 20267212 PMAQI
3rd Aug 2026591 PMAQI
3rd Aug 2026482 PMAQI
3rd Aug 2026343 PMAQI
3rd Aug 2026434 PMAQI
3rd Aug 2026485 PMAQI
3rd Aug 2026526 PMAQI
3rd Aug 2026547 PMAQI
3rd Aug 2026748 PMAQI
3rd Aug 2026699 PMAQI
3rd Aug 20267010 PMAQI
3rd Aug 20268011 PMAQI
4th Aug 20267712 AMAQI
4th Aug 2026701 AMAQI
4th Aug 2026622 AMAQI
4th Aug 2026603 AMAQI
4th Aug 2026644 AMAQI

30°C24/38°C

4th Aug 2026655 AMAQI
4th Aug 2026686 AMAQI
4th Aug 2026657 AMAQI
4th Aug 2026628 AMAQI
4th Aug 2026609 AMAQI
4th Aug 20265810 AMAQI
4th Aug 20265811 AMAQI
4th Aug 20265912 PMAQI
4th Aug 2026601 PMAQI
4th Aug 2026612 PMAQI
4th Aug 2026643 PMAQI
4th Aug 2026644 PMAQI
4th Aug 2026655 PMAQI
4th Aug 2026676 PMAQI
4th Aug 2026667 PMAQI
4th Aug 2026658 PMAQI
4th Aug 2026669 PMAQI
4th Aug 20266410 PMAQI
4th Aug 20266211 PMAQI
5th Aug 20265612 AMAQI
5th Aug 2026541 AMAQI
5th Aug 2026502 AMAQI
5th Aug 2026483 AMAQI
5th Aug 2026494 AMAQI

21°C15/26°C

5th Aug 2026495 AMAQI
5th Aug 2026506 AMAQI
5th Aug 2026507 AMAQI
5th Aug 2026528 AMAQI
5th Aug 2026539 AMAQI
5th Aug 20265210 AMAQI
5th Aug 20265511 AMAQI
5th Aug 20265512 PMAQI
5th Aug 2026561 PMAQI
5th Aug 2026562 PMAQI
5th Aug 2026573 PMAQI
5th Aug 2026574 PMAQI
5th Aug 2026565 PMAQI
5th Aug 2026566 PMAQI
5th Aug 2026567 PMAQI
5th Aug 2026548 PMAQI
5th Aug 2026549 PMAQI
5th Aug 20265210 PMAQI
5th Aug 20265211 PMAQI
6th Aug 20265212 AMAQI
6th Aug 2026521 AMAQI
6th Aug 2026512 AMAQI
6th Aug 2026523 AMAQI
6th Aug 2026494 AMAQI

22°C14/30°C

6th Aug 2026505 AMAQI
6th Aug 2026506 AMAQI
6th Aug 2026557 AMAQI
6th Aug 2026718 AMAQI
6th Aug 2026839 AMAQI
6th Aug 20267710 AMAQI
6th Aug 20267411 AMAQI
6th Aug 20268012 PMAQI
6th Aug 2026761 PMAQI
6th Aug 2026632 PMAQI
6th Aug 2026553 PMAQI
6th Aug 2026524 PMAQI
6th Aug 2026525 PMAQI
6th Aug 2026516 PMAQI
6th Aug 2026517 PMAQI
6th Aug 2026508 PMAQI
6th Aug 2026529 PMAQI
6th Aug 20265110 PMAQI
6th Aug 20265211 PMAQI
7th Aug 20265312 AMAQI
7th Aug 2026531 AMAQI
7th Aug 2026542 AMAQI
7th Aug 2026543 AMAQI
7th Aug 2026544 AMAQI

27°C18/36°C

7th Aug 2026535 AMAQI
7th Aug 2026546 AMAQI
7th Aug 2026527 AMAQI
7th Aug 2026568 AMAQI
7th Aug 2026849 AMAQI
7th Aug 20268210 AMAQI
7th Aug 20266811 AMAQI
7th Aug 20267012 PMAQI
7th Aug 2026581 PMAQI
7th Aug 2026552 PMAQI
7th Aug 2026563 PMAQI
7th Aug 2026564 PMAQI
7th Aug 2026565 PMAQI
7th Aug 2026566 PMAQI
7th Aug 2026567 PMAQI
7th Aug 2026548 PMAQI
7th Aug 2026549 PMAQI
7th Aug 20265610 PMAQI
7th Aug 20265611 PMAQI
8th Aug 20265612 AMAQI
8th Aug 2026571 AMAQI
8th Aug 2026572 AMAQI
8th Aug 2026573 AMAQI
8th Aug 2026564 AMAQI

29°C21/36°C

8th Aug 2026555 AMAQI
5 AM
8th Aug 2026566 AMAQI
8th Aug 2026547 AMAQI
8th Aug 2026608 AMAQI
8th Aug 2026839 AMAQI
8th Aug 20267610 AMAQI
8th Aug 20266911 AMAQI
8th Aug 20265912 PMAQI
12 PM
8th Aug 2026541 PMAQI
8th Aug 2026482 PMAQI
8th Aug 2026463 PMAQI
8th Aug 2026464 PMAQI
8th Aug 2026575 PMAQI
8th Aug 2026546 PMAQI
8th Aug 2026587 PMAQI
8 PM
12 AM
4 AM

30°C22/38°C

Day time
Avg. Highest Time
9 AM - 12 PM

39AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM

31AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 12 PM (Avg. 39), while the lowest AQI was between 5 AM to 5 AM (Avg. 31).
Night time
Avg. Highest Time
10 PM - 11 PM

33AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
1 AM - 2 AM

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 PM to 11 PM (Avg. 33), while the lowest AQI was between 1 AM to 2 AM (Avg. 31).

2026 Days Vs Air Quality

Denver, Colorado, United States

2026

98%

211

2%

5

Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)

Good
211 Days
Moderate
5 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 98%

Health Risk Level:

Very Low

In 2026, 98% of 220 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

Denver, Colorado, 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
22AQI (US)
2nd January 2026
23AQI (US)
3rd January 2026
20AQI (US)
4th January 2026
14AQI (US)
5th January 2026
28AQI (US)
6th January 2026
12AQI (US)
7th January 2026
22AQI (US)
8th January 2026
18AQI (US)
9th January 2026
24AQI (US)
10th January 2026
17AQI (US)
11th January 2026
15AQI (US)
12th January 2026
19AQI (US)
13th January 2026
18AQI (US)
14th January 2026
16AQI (US)
15th January 2026
18AQI (US)
16th January 2026
25AQI (US)
17th January 2026
13AQI (US)
18th January 2026
14AQI (US)
19th January 2026
17AQI (US)
20th January 2026
21AQI (US)
21st January 2026
19AQI (US)
22nd January 2026
27AQI (US)
23rd January 2026
23AQI (US)
24th January 2026
29AQI (US)
25th January 2026
22AQI (US)
26th January 2026
20AQI (US)
27th January 2026
20AQI (US)
28th January 2026
28AQI (US)
29th January 2026
32AQI (US)
30th January 2026
32AQI (US)
31st January 2026
21AQI (US)
1st February 2026
22AQI (US)
2nd February 2026
30AQI (US)
3rd February 2026
26AQI (US)
4th February 2026
22AQI (US)
5th February 2026
24AQI (US)
6th February 2026
23AQI (US)
7th February 2026
22AQI (US)
8th February 2026
22AQI (US)
9th February 2026
26AQI (US)
10th February 2026
22AQI (US)
11th February 2026
27AQI (US)
12th February 2026
28AQI (US)
13th February 2026
27AQI (US)
14th February 2026
22AQI (US)
15th February 2026
21AQI (US)
16th February 2026
27AQI (US)
17th February 2026
29AQI (US)
18th February 2026
20AQI (US)
19th February 2026
24AQI (US)
20th February 2026
20AQI (US)
21st February 2026
19AQI (US)
22nd February 2026
17AQI (US)
23rd February 2026
24AQI (US)
24th February 2026
25AQI (US)
25th February 2026
24AQI (US)
26th February 2026
20AQI (US)
27th February 2026
22AQI (US)
28th February 2026
18AQI (US)
1st March 2026
22AQI (US)
2nd March 2026
28AQI (US)
3rd March 2026
19AQI (US)
4th March 2026
18AQI (US)
5th March 2026
22AQI (US)
6th March 2026
22AQI (US)
7th March 2026
22AQI (US)
8th March 2026
22AQI (US)
9th March 2026
17AQI (US)
10th March 2026
23AQI (US)
11th March 2026
18AQI (US)
12th March 2026
19AQI (US)
13th March 2026
22AQI (US)
14th March 2026
20AQI (US)
15th March 2026
16AQI (US)
16th March 2026
21AQI (US)
17th March 2026
19AQI (US)
18th March 2026
18AQI (US)
19th March 2026
22AQI (US)
20th March 2026
24AQI (US)
21st March 2026
16AQI (US)
22nd March 2026
26AQI (US)
23rd March 2026
27AQI (US)
24th March 2026
23AQI (US)
25th March 2026
20AQI (US)
26th March 2026
44AQI (US)
27th March 2026
24AQI (US)
28th March 2026
22AQI (US)
29th March 2026
21AQI (US)
30th March 2026
22AQI (US)
31st March 2026
33AQI (US)
1st April 2026
35AQI (US)
2nd April 2026
20AQI (US)
3rd April 2026
31AQI (US)
4th April 2026
17AQI (US)
5th April 2026
21AQI (US)
6th April 2026
20AQI (US)
7th April 2026
24AQI (US)
8th April 2026
25AQI (US)
9th April 2026
28AQI (US)
10th April 2026
40AQI (US)
11th April 2026
26AQI (US)
12th April 2026
16AQI (US)
13th April 2026
17AQI (US)
14th April 2026
21AQI (US)
15th April 2026
23AQI (US)
16th April 2026
16AQI (US)
17th April 2026
18th April 2026
20AQI (US)
19th April 2026
19AQI (US)
20th April 2026
24AQI (US)
21st April 2026
23AQI (US)
22nd April 2026
23rd April 2026
25AQI (US)
24th April 2026
19AQI (US)
25th April 2026
25AQI (US)
26th April 2026
20AQI (US)
27th April 2026
17AQI (US)
28th April 2026
18AQI (US)
29th April 2026
16AQI (US)
30th April 2026
17AQI (US)
1st May 2026
16AQI (US)
2nd May 2026
13AQI (US)
3rd May 2026
14AQI (US)
4th May 2026
21AQI (US)
5th May 2026
26AQI (US)
6th May 2026
22AQI (US)
7th May 2026
14AQI (US)
8th May 2026
17AQI (US)
9th May 2026
10th May 2026
25AQI (US)
11th May 2026
16AQI (US)
12th May 2026
28AQI (US)
13th May 2026
40AQI (US)
14th May 2026
25AQI (US)
15th May 2026
27AQI (US)
16th May 2026
24AQI (US)
17th May 2026
19AQI (US)
18th May 2026
33AQI (US)
19th May 2026
28AQI (US)
20th May 2026
18AQI (US)
21st May 2026
19AQI (US)
22nd May 2026
19AQI (US)
23rd May 2026
21AQI (US)
24th May 2026
16AQI (US)
25th May 2026
14AQI (US)
26th May 2026
17AQI (US)
27th May 2026
16AQI (US)
28th May 2026
18AQI (US)
29th May 2026
18AQI (US)
30th May 2026
14AQI (US)
31st May 2026
15AQI (US)
1st June 2026
17AQI (US)
2nd June 2026
16AQI (US)
3rd June 2026
22AQI (US)
4th June 2026
17AQI (US)
5th June 2026
24AQI (US)
6th June 2026
21AQI (US)
7th June 2026
17AQI (US)
8th June 2026
28AQI (US)
9th June 2026
26AQI (US)
10th June 2026
26AQI (US)
11th June 2026
26AQI (US)
12th June 2026
23AQI (US)
13th June 2026
24AQI (US)
14th June 2026
16AQI (US)
15th June 2026
24AQI (US)
16th June 2026
24AQI (US)
17th June 2026
26AQI (US)
18th June 2026
30AQI (US)
19th June 2026
38AQI (US)
20th June 2026
43AQI (US)
21st June 2026
29AQI (US)
22nd June 2026
22AQI (US)
23rd June 2026
38AQI (US)
24th June 2026
28AQI (US)
25th June 2026
19AQI (US)
26th June 2026
13AQI (US)
27th June 2026
14AQI (US)
28th June 2026
37AQI (US)
29th June 2026
26AQI (US)
30th June 2026
32AQI (US)
1st July 2026
36AQI (US)
2nd July 2026
35AQI (US)
3rd July 2026
33AQI (US)
4th July 2026
33AQI (US)
5th July 2026
37AQI (US)
6th July 2026
41AQI (US)
7th July 2026
40AQI (US)
8th July 2026
27AQI (US)
9th July 2026
18AQI (US)
10th July 2026
17AQI (US)
11th July 2026
14AQI (US)
12th July 2026
15AQI (US)
13th July 2026
19AQI (US)
14th July 2026
22AQI (US)
15th July 2026
24AQI (US)
16th July 2026
24AQI (US)
17th July 2026
28AQI (US)
18th July 2026
35AQI (US)
19th July 2026
30AQI (US)
20th July 2026
34AQI (US)
21st July 2026
38AQI (US)
22nd July 2026
30AQI (US)
23rd July 2026
27AQI (US)
24th July 2026
32AQI (US)
25th July 2026
30AQI (US)
26th July 2026
27AQI (US)
27th July 2026
28AQI (US)
28th July 2026
38AQI (US)
29th July 2026
39AQI (US)
30th July 2026
35AQI (US)
31st July 2026
31AQI (US)
1st August 2026
31AQI (US)
2nd August 2026
30AQI (US)
3rd August 2026
54AQI (US)
4th August 2026
64AQI (US)
5th August 2026
53AQI (US)
6th August 2026
58AQI (US)
7th August 2026
58AQI (US)
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

21AQI (US)

23AQI (US)

22AQI (US)

22AQI (US)

20AQI (US)

25AQI (US)

30AQI (US)

50AQI (US)

No. of days

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

202624AQI (US)

31
28
31
28
30
30
31
2
5
211
5

Highest AQI (US) recorded in

August

50AQI (US)

Lowest AQI (US) recorded in

May

20AQI (US)

202532AQI (US)

6
29
1
31
29
1
27
4
26
5
25
5
27
4
30
31
261
20

Highest AQI (US) recorded in

August

43AQI (US)

Lowest AQI (US) recorded in

May

24AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
32AQI (US)
Least Polluted Year Recorded
2026(Avg.)
24AQI (US)

Denver's annual 2026 AQI (US) (24) shows an average percentage change of -25% (improved AQI (US)) compared to previous years: 2025 (32).