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
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2025
63AQILowest AQI recorded on
3rd Aug 2025
25AQISame Day Analysis (7th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 49 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Denver, Colorado, United States
AQI
Day
Night
.
5 AM7th Aug 2025
8 PM
4 AM8th Aug 2025
Day time
Avg. Highest Time
11AM7th Aug
50AQI
Avg. Lowest Time
6AM7th Aug
37AQI
Night time
Avg. Highest Time
12AM8th Aug
51AQI
Avg. Lowest Time
5AM7th Aug
41AQI
In the last 24 hours,
Denver's AQI reached its highest point of 51 at 12 AM during the Night, while the lowest point, 37, was recorded at 6 AM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Denver, Colorado, United States
JulAug
09th - 10th10th - 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
9th Jul 2025325 AMAQI
9th Jul 2025296 AMAQI
9th Jul 2025297 AMAQI
9th Jul 2025338 AMAQI
9th Jul 2025369 AMAQI
9th Jul 20253810 AMAQI
9th Jul 20253911 AMAQI
9th Jul 20253712 PMAQI
9th Jul 2025351 PMAQI
9th Jul 2025322 PMAQI
9th Jul 2025273 PMAQI
9th Jul 2025274 PMAQI
9th Jul 2025255 PMAQI
9th Jul 2025256 PMAQI
9th Jul 2025287 PMAQI
9th Jul 2025298 PMAQI
9th Jul 2025279 PMAQI
9th Jul 20252610 PMAQI
9th Jul 20253011 PMAQI
10th Jul 20253312 AMAQI
10th Jul 2025331 AMAQI
10th Jul 2025352 AMAQI
10th Jul 2025333 AMAQI
10th Jul 2025334 AMAQI
29°C18/39°C
10th Jul 2025325 AMAQI
10th Jul 2025316 AMAQI
10th Jul 2025287 AMAQI
10th Jul 2025288 AMAQI
10th Jul 2025289 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20253411 AMAQI
10th Jul 20253612 PMAQI
10th Jul 2025341 PMAQI
10th Jul 2025312 PMAQI
10th Jul 2025333 PMAQI
10th Jul 2025414 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025516 PMAQI
10th Jul 2025387 PMAQI
10th Jul 2025368 PMAQI
10th Jul 2025469 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20253711 PMAQI
11th Jul 20253612 AMAQI
11th Jul 2025371 AMAQI
11th Jul 2025382 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025374 AMAQI
27°C21/33°C
11th Jul 2025375 AMAQI
11th Jul 2025356 AMAQI
11th Jul 2025367 AMAQI
11th Jul 2025398 AMAQI
11th Jul 2025429 AMAQI
11th Jul 20254210 AMAQI
11th Jul 20254211 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025441 PMAQI
11th Jul 2025412 PMAQI
11th Jul 2025383 PMAQI
11th Jul 2025394 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025366 PMAQI
11th Jul 2025397 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025379 PMAQI
11th Jul 20254310 PMAQI
11th Jul 20255111 PMAQI
12th Jul 20255512 AMAQI
12th Jul 2025561 AMAQI
12th Jul 2025562 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025564 AMAQI
22°C17/31°C
12th Jul 2025725 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025677 AMAQI
12th Jul 2025658 AMAQI
12th Jul 2025669 AMAQI
12th Jul 20256510 AMAQI
12th Jul 20256211 AMAQI
12th Jul 20256012 PMAQI
12th Jul 2025591 PMAQI
12th Jul 2025572 PMAQI
12th Jul 2025583 PMAQI
12th Jul 2025574 PMAQI
12th Jul 2025555 PMAQI
12th Jul 2025546 PMAQI
12th Jul 2025577 PMAQI
12th Jul 2025558 PMAQI
12th Jul 2025499 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20255211 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025531 AMAQI
13th Jul 2025532 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025544 AMAQI
23°C16/31°C
13th Jul 2025485 AMAQI
13th Jul 2025476 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025508 AMAQI
13th Jul 2025499 AMAQI
13th Jul 20254410 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20254512 PMAQI
13th Jul 2025471 PMAQI
13th Jul 2025462 PMAQI
13th Jul 2025473 PMAQI
13th Jul 2025464 PMAQI
13th Jul 2025465 PMAQI
13th Jul 2025446 PMAQI
13th Jul 2025497 PMAQI
13th Jul 2025458 PMAQI
13th Jul 2025399 PMAQI
13th Jul 20253810 PMAQI
13th Jul 20254011 PMAQI
14th Jul 20254112 AMAQI
14th Jul 2025401 AMAQI
14th Jul 2025392 AMAQI
14th Jul 2025363 AMAQI
14th Jul 2025354 AMAQI
27°C18/35°C
14th Jul 2025275 AMAQI
14th Jul 2025246 AMAQI
14th Jul 2025277 AMAQI
14th Jul 2025298 AMAQI
14th Jul 2025309 AMAQI
14th Jul 20252910 AMAQI
14th Jul 20253011 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025252 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025305 PMAQI
14th Jul 2025276 PMAQI
14th Jul 2025297 PMAQI
14th Jul 2025308 PMAQI
14th Jul 2025259 PMAQI
14th Jul 20252810 PMAQI
14th Jul 20252611 PMAQI
15th Jul 20252512 AMAQI
15th Jul 2025271 AMAQI
15th Jul 2025262 AMAQI
15th Jul 2025253 AMAQI
15th Jul 2025274 AMAQI
27°C19/36°C
15th Jul 2025245 AMAQI
15th Jul 2025216 AMAQI
15th Jul 2025247 AMAQI
15th Jul 2025318 AMAQI
15th Jul 2025359 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20253712 PMAQI
15th Jul 2025311 PMAQI
15th Jul 2025312 PMAQI
15th Jul 2025313 PMAQI
15th Jul 2025304 PMAQI
15th Jul 2025305 PMAQI
15th Jul 2025306 PMAQI
15th Jul 2025297 PMAQI
15th Jul 2025298 PMAQI
15th Jul 2025319 PMAQI
15th Jul 20253110 PMAQI
15th Jul 20253311 PMAQI
16th Jul 20253412 AMAQI
16th Jul 2025351 AMAQI
16th Jul 2025362 AMAQI
16th Jul 2025363 AMAQI
16th Jul 2025374 AMAQI
27°C20/37°C
16th Jul 2025415 AMAQI
16th Jul 2025446 AMAQI
16th Jul 2025447 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025479 AMAQI
16th Jul 20254810 AMAQI
16th Jul 20255011 AMAQI
16th Jul 20254912 PMAQI
16th Jul 2025511 PMAQI
16th Jul 2025502 PMAQI
16th Jul 2025523 PMAQI
16th Jul 2025514 PMAQI
16th Jul 2025535 PMAQI
16th Jul 2025536 PMAQI
16th Jul 2025487 PMAQI
16th Jul 2025468 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20254710 PMAQI
16th Jul 20254711 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025521 AMAQI
17th Jul 2025512 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025504 AMAQI
21°C17/27°C
17th Jul 2025545 AMAQI
17th Jul 2025536 AMAQI
17th Jul 2025537 AMAQI
17th Jul 2025548 AMAQI
17th Jul 2025549 AMAQI
17th Jul 20255510 AMAQI
17th Jul 20255511 AMAQI
17th Jul 20255812 PMAQI
17th Jul 2025591 PMAQI
17th Jul 2025612 PMAQI
17th Jul 2025583 PMAQI
17th Jul 2025594 PMAQI
17th Jul 2025615 PMAQI
17th Jul 2025596 PMAQI
17th Jul 2025567 PMAQI
17th Jul 2025538 PMAQI
17th Jul 2025529 PMAQI
17th Jul 20255110 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255012 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025493 AMAQI
18th Jul 2025504 AMAQI
22°C16/32°C
18th Jul 2025495 AMAQI
18th Jul 2025506 AMAQI
18th Jul 2025517 AMAQI
18th Jul 2025538 AMAQI
18th Jul 2025559 AMAQI
18th Jul 20255710 AMAQI
18th Jul 20255511 AMAQI
18th Jul 20255312 PMAQI
18th Jul 2025521 PMAQI
18th Jul 2025522 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025534 PMAQI
18th Jul 2025525 PMAQI
18th Jul 2025536 PMAQI
18th Jul 2025537 PMAQI
18th Jul 2025518 PMAQI
18th Jul 2025509 PMAQI
18th Jul 20255110 PMAQI
18th Jul 20255111 PMAQI
19th Jul 20255212 AMAQI
19th Jul 2025511 AMAQI
19th Jul 2025512 AMAQI
19th Jul 2025523 AMAQI
19th Jul 2025514 AMAQI
24°C17/35°C
19th Jul 2025475 AMAQI
19th Jul 2025466 AMAQI
19th Jul 2025507 AMAQI
19th Jul 2025508 AMAQI
19th Jul 2025489 AMAQI
19th Jul 20254910 AMAQI
19th Jul 20254711 AMAQI
19th Jul 20254612 PMAQI
19th Jul 2025461 PMAQI
19th Jul 2025462 PMAQI
19th Jul 2025463 PMAQI
19th Jul 2025444 PMAQI
19th Jul 2025425 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025447 PMAQI
19th Jul 2025468 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253712 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025392 AMAQI
20th Jul 2025403 AMAQI
20th Jul 2025414 AMAQI
25°C17/35°C
20th Jul 2025375 AMAQI
20th Jul 2025346 AMAQI
20th Jul 2025347 AMAQI
20th Jul 2025338 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20253110 AMAQI
20th Jul 20252911 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025304 PMAQI
20th Jul 2025295 PMAQI
20th Jul 2025296 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025289 PMAQI
20th Jul 20252610 PMAQI
20th Jul 20252611 PMAQI
21st Jul 20252712 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025252 AMAQI
21st Jul 2025263 AMAQI
21st Jul 2025264 AMAQI
25°C20/35°C
21st Jul 2025235 AMAQI
21st Jul 2025216 AMAQI
21st Jul 2025267 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253311 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025321 PMAQI
21st Jul 2025322 PMAQI
21st Jul 2025333 PMAQI
21st Jul 2025324 PMAQI
21st Jul 2025335 PMAQI
21st Jul 2025336 PMAQI
21st Jul 2025297 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025299 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252911 PMAQI
22nd Jul 20253012 AMAQI
22nd Jul 2025281 AMAQI
22nd Jul 2025262 AMAQI
22nd Jul 2025243 AMAQI
22nd Jul 2025244 AMAQI
26°C19/38°C
22nd Jul 2025205 AMAQI
22nd Jul 2025206 AMAQI
22nd Jul 2025237 AMAQI
22nd Jul 2025248 AMAQI
22nd Jul 2025289 AMAQI
22nd Jul 20252910 AMAQI
22nd Jul 20253411 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025371 PMAQI
22nd Jul 2025322 PMAQI
22nd Jul 2025293 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025306 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252312 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025194 AMAQI
26°C19/36°C
23rd Jul 2025175 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025197 AMAQI
23rd Jul 2025208 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252811 AMAQI
23rd Jul 20252912 PMAQI
23rd Jul 2025311 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025334 PMAQI
23rd Jul 2025315 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025258 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20252910 PMAQI
23rd Jul 20252911 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025282 AMAQI
24th Jul 2025293 AMAQI
24th Jul 2025284 AMAQI
25°C20/33°C
24th Jul 2025295 AMAQI
24th Jul 2025286 AMAQI
24th Jul 2025307 AMAQI
24th Jul 2025338 AMAQI
24th Jul 2025379 AMAQI
24th Jul 20254110 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025332 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025304 PMAQI
24th Jul 2025315 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025297 PMAQI
24th Jul 2025298 PMAQI
24th Jul 2025269 PMAQI
24th Jul 20252910 PMAQI
24th Jul 20252911 PMAQI
25th Jul 20253012 AMAQI
25th Jul 2025281 AMAQI
25th Jul 2025292 AMAQI
25th Jul 2025293 AMAQI
25th Jul 2025294 AMAQI
21°C17/32°C
25th Jul 2025305 AMAQI
25th Jul 2025306 AMAQI
25th Jul 2025317 AMAQI
25th Jul 2025378 AMAQI
25th Jul 2025429 AMAQI
25th Jul 20254710 AMAQI
25th Jul 20254611 AMAQI
25th Jul 20254512 PMAQI
25th Jul 2025411 PMAQI
25th Jul 2025452 PMAQI
25th Jul 2025453 PMAQI
25th Jul 2025444 PMAQI
25th Jul 2025445 PMAQI
25th Jul 2025466 PMAQI
25th Jul 2025397 PMAQI
25th Jul 2025378 PMAQI
25th Jul 2025429 PMAQI
25th Jul 20254110 PMAQI
25th Jul 20254011 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025411 AMAQI
26th Jul 2025392 AMAQI
26th Jul 2025393 AMAQI
26th Jul 2025404 AMAQI
23°C17/35°C
26th Jul 2025435 AMAQI
26th Jul 2025456 AMAQI
26th Jul 2025467 AMAQI
26th Jul 2025468 AMAQI
26th Jul 2025449 AMAQI
26th Jul 20254410 AMAQI
26th Jul 20254211 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025343 PMAQI
26th Jul 2025334 PMAQI
26th Jul 2025335 PMAQI
26th Jul 2025336 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025319 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253311 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025311 AMAQI
27th Jul 2025322 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025324 AMAQI
26°C17/36°C
27th Jul 2025305 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025298 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20252810 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025221 PMAQI
27th Jul 2025222 PMAQI
27th Jul 2025223 PMAQI
27th Jul 2025224 PMAQI
27th Jul 2025235 PMAQI
27th Jul 2025216 PMAQI
27th Jul 2025267 PMAQI
27th Jul 2025268 PMAQI
27th Jul 2025219 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252411 PMAQI
28th Jul 20252512 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025303 AMAQI
28th Jul 2025304 AMAQI
27°C19/38°C
28th Jul 2025265 AMAQI
28th Jul 2025276 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025348 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253710 AMAQI
28th Jul 20254011 AMAQI
28th Jul 20253912 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025302 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025254 PMAQI
28th Jul 2025245 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025277 PMAQI
28th Jul 2025268 PMAQI
28th Jul 2025249 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20253011 PMAQI
29th Jul 20253912 AMAQI
29th Jul 2025441 AMAQI
29th Jul 2025482 AMAQI
29th Jul 2025483 AMAQI
29th Jul 2025494 AMAQI
28°C19/36°C
29th Jul 2025535 AMAQI
29th Jul 2025526 AMAQI
29th Jul 2025537 AMAQI
29th Jul 2025538 AMAQI
29th Jul 2025559 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255511 AMAQI
29th Jul 20255512 PMAQI
29th Jul 2025551 PMAQI
29th Jul 2025552 PMAQI
29th Jul 2025543 PMAQI
29th Jul 2025544 PMAQI
29th Jul 2025545 PMAQI
29th Jul 2025556 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025538 PMAQI
29th Jul 2025459 PMAQI
29th Jul 20254110 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025371 AMAQI
30th Jul 2025392 AMAQI
30th Jul 2025393 AMAQI
30th Jul 2025404 AMAQI
24°C20/30°C
30th Jul 2025355 AMAQI
30th Jul 2025356 AMAQI
30th Jul 2025377 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025439 AMAQI
30th Jul 20254010 AMAQI
30th Jul 20254011 AMAQI
30th Jul 20254012 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025432 PMAQI
30th Jul 2025433 PMAQI
30th Jul 2025434 PMAQI
30th Jul 2025435 PMAQI
30th Jul 2025436 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025459 PMAQI
30th Jul 20254710 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20255212 AMAQI
31st Jul 2025531 AMAQI
31st Jul 2025532 AMAQI
31st Jul 2025543 AMAQI
31st Jul 2025544 AMAQI
20°C17/25°C
31st Jul 2025565 AMAQI
31st Jul 2025566 AMAQI
31st Jul 2025557 AMAQI
31st Jul 2025558 AMAQI
31st Jul 2025569 AMAQI
31st Jul 20255610 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20255812 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025572 PMAQI
31st Jul 2025563 PMAQI
31st Jul 2025564 PMAQI
31st Jul 2025575 PMAQI
31st Jul 2025586 PMAQI
31st Jul 2025577 PMAQI
31st Jul 2025568 PMAQI
31st Jul 2025569 PMAQI
31st Jul 20255510 PMAQI
31st Jul 20255511 PMAQI
1st Aug 20255512 AMAQI
1st Aug 2025541 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025553 AMAQI
1st Aug 2025554 AMAQI
22°C16/32°C
1st Aug 2025565 AMAQI
1st Aug 2025576 AMAQI
1st Aug 2025597 AMAQI
1st Aug 2025608 AMAQI
1st Aug 2025619 AMAQI
1st Aug 20256210 AMAQI
1st Aug 20256111 AMAQI
1st Aug 20255912 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025583 PMAQI
1st Aug 2025584 PMAQI
1st Aug 2025585 PMAQI
1st Aug 2025576 PMAQI
1st Aug 2025587 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025469 PMAQI
1st Aug 20253810 PMAQI
1st Aug 20252911 PMAQI
2nd Aug 20252712 AMAQI
2nd Aug 2025291 AMAQI
2nd Aug 2025382 AMAQI
2nd Aug 2025413 AMAQI
2nd Aug 2025414 AMAQI
22°C16/32°C
2nd Aug 2025415 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025447 AMAQI
2nd Aug 2025458 AMAQI
2nd Aug 2025479 AMAQI
2nd Aug 20254810 AMAQI
2nd Aug 20254611 AMAQI
2nd Aug 20254412 PMAQI
2nd Aug 2025401 PMAQI
2nd Aug 2025342 PMAQI
2nd Aug 2025293 PMAQI
2nd Aug 2025294 PMAQI
2nd Aug 2025335 PMAQI
2nd Aug 2025356 PMAQI
2nd Aug 2025377 PMAQI
2nd Aug 2025318 PMAQI
2nd Aug 2025279 PMAQI
2nd Aug 20252610 PMAQI
2nd Aug 20253011 PMAQI
3rd Aug 20252612 AMAQI
3rd Aug 2025281 AMAQI
3rd Aug 2025282 AMAQI
3rd Aug 2025293 AMAQI
3rd Aug 2025294 AMAQI
23°C15/34°C
3rd Aug 2025295 AMAQI
3rd Aug 2025296 AMAQI
3rd Aug 2025287 AMAQI
3rd Aug 2025288 AMAQI
3rd Aug 2025309 AMAQI
3rd Aug 20253110 AMAQI
3rd Aug 20252911 AMAQI
3rd Aug 20252512 PMAQI
3rd Aug 2025211 PMAQI
3rd Aug 2025192 PMAQI
3rd Aug 2025193 PMAQI
3rd Aug 2025204 PMAQI
3rd Aug 2025215 PMAQI
3rd Aug 2025206 PMAQI
3rd Aug 2025277 PMAQI
3rd Aug 2025238 PMAQI
3rd Aug 2025209 PMAQI
3rd Aug 20252110 PMAQI
3rd Aug 20252211 PMAQI
4th Aug 20252312 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025242 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025274 AMAQI
25°C16/33°C
4th Aug 2025255 AMAQI
4th Aug 2025286 AMAQI
4th Aug 2025297 AMAQI
4th Aug 2025338 AMAQI
4th Aug 2025439 AMAQI
4th Aug 20254810 AMAQI
4th Aug 20254411 AMAQI
4th Aug 20254312 PMAQI
4th Aug 2025391 PMAQI
4th Aug 2025382 PMAQI
4th Aug 2025373 PMAQI
4th Aug 2025394 PMAQI
4th Aug 2025405 PMAQI
4th Aug 2025406 PMAQI
4th Aug 2025307 PMAQI
4th Aug 2025388 PMAQI
4th Aug 2025479 PMAQI
4th Aug 20254910 PMAQI
4th Aug 20255211 PMAQI
5th Aug 20255212 AMAQI
5th Aug 2025491 AMAQI
5th Aug 2025472 AMAQI
5th Aug 2025443 AMAQI
5th Aug 2025424 AMAQI
26°C16/35°C
5th Aug 2025455 AMAQI
5th Aug 2025486 AMAQI
5th Aug 2025517 AMAQI
5th Aug 2025538 AMAQI
5th Aug 2025559 AMAQI
5th Aug 20256410 AMAQI
5th Aug 20256111 AMAQI
5th Aug 20255812 PMAQI
5th Aug 2025581 PMAQI
5th Aug 2025572 PMAQI
5th Aug 2025563 PMAQI
5th Aug 2025554 PMAQI
5th Aug 2025545 PMAQI
5th Aug 2025516 PMAQI
5th Aug 2025537 PMAQI
5th Aug 2025488 PMAQI
5th Aug 2025489 PMAQI
5th Aug 20255010 PMAQI
5th Aug 20255211 PMAQI
6th Aug 20255512 AMAQI
6th Aug 2025611 AMAQI
6th Aug 2025752 AMAQI
6th Aug 2025843 AMAQI
6th Aug 2025854 AMAQI
28°C17/38°C
6th Aug 2025855 AMAQI
6th Aug 2025806 AMAQI
6th Aug 2025727 AMAQI
6th Aug 2025668 AMAQI
6th Aug 2025659 AMAQI
6th Aug 20256910 AMAQI
6th Aug 20256411 AMAQI
6th Aug 20256312 PMAQI
6th Aug 2025621 PMAQI
6th Aug 2025592 PMAQI
6th Aug 2025563 PMAQI
6th Aug 2025544 PMAQI
6th Aug 2025515 PMAQI
6th Aug 2025516 PMAQI
6th Aug 2025597 PMAQI
6th Aug 2025558 PMAQI
6th Aug 2025479 PMAQI
6th Aug 20254610 PMAQI
6th Aug 20254211 PMAQI
7th Aug 20255112 AMAQI
7th Aug 2025571 AMAQI
7th Aug 2025572 AMAQI
7th Aug 2025563 AMAQI
7th Aug 2025554 AMAQI
28°C19/37°C
7th Aug 2025415 AMAQI
7th Aug 2025376 AMAQI
7th Aug 2025467 AMAQI
7th Aug 2025478 AMAQI
7th Aug 2025469 AMAQI
7th Aug 20254610 AMAQI
7th Aug 20255011 AMAQI
7th Aug 20254912 PMAQI
7th Aug 2025451 PMAQI
7th Aug 2025452 PMAQI
7th Aug 2025463 PMAQI
7th Aug 2025464 PMAQI
7th Aug 2025455 PMAQI
7th Aug 2025436 PMAQI
7th Aug 2025497 PMAQI
7th Aug 2025508 PMAQI
7th Aug 2025459 PMAQI
7th Aug 20254810 PMAQI
7th Aug 20255011 PMAQI
8th Aug 20255112 AMAQI
8th Aug 2025511 AMAQI
8th Aug 2025502 AMAQI
8th Aug 2025503 AMAQI
8th Aug 2025494 AMAQI
29°C20/39°C
8th Aug 2025405 AMAQI
5 AM8th Aug 2025346 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 8 PM
41AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM
41AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 41), while the lowest AQI was between 5 AM to 8 PM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 4 AM
40AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 PM - 11 PM
38AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 40), while the lowest AQI was between 9 PM to 11 PM (Avg. 38).
2025 Days Vs Air Quality
Denver, Colorado, United States
2025
93%
126
7%
9
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Good
126 DaysModerate
9 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% 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 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 March 2025
28AQI
28AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
28AQI
28AQI
4th March 2025
21AQI
21AQI
5th March 2025
28AQI
28AQI
6th March 2025
40AQI
40AQI
1st April 2025
31AQI
31AQI
2nd April 2025
19AQI
19AQI
3rd April 2025
20AQI
20AQI
4th April 2025
31AQI
31AQI
5th April 2025
30AQI
30AQI
6th April 2025
27AQI
27AQI
7th April 2025
31AQI
31AQI
8th April 2025
30AQI
30AQI
9th April 2025
43AQI
43AQI
10th April 2025
46AQI
46AQI
11th April 2025
42AQI
42AQI
12th April 2025
32AQI
32AQI
13th April 2025
24AQI
24AQI
14th April 2025
19AQI
19AQI
15th April 2025
37AQI
37AQI
16th April 2025
28AQI
28AQI
17th April 2025
27AQI
27AQI
18th April 2025
14AQI
14AQI
19th April 2025
25AQI
25AQI
20th April 2025
20AQI
20AQI
21st April 2025
17AQI
17AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
35AQI
35AQI
24th April 2025
57AQI
57AQI
25th April 2025
29AQI
29AQI
26th April 2025
29AQI
29AQI
27th April 2025
29AQI
29AQI
28th April 2025
18AQI
18AQI
29th April 2025
17AQI
17AQI
30th April 2025
18AQI
18AQI
1st May 2025
17AQI
17AQI
2nd May 2025
21AQI
21AQI
3rd May 2025
21AQI
21AQI
4th May 2025
22AQI
22AQI
5th May 2025
17AQI
17AQI
6th May 2025
18AQI
18AQI
7th May 2025
24AQI
24AQI
8th May 2025
31AQI
31AQI
9th May 2025
28AQI
28AQI
10th May 2025
27AQI
27AQI
11th May 2025
21AQI
21AQI
12th May 2025
22AQI
22AQI
13th May 2025
27AQI
27AQI
14th May 2025
32AQI
32AQI
15th May 2025
15AQI
15AQI
16th May 2025
17AQI
17AQI
17th May 2025
20AQI
20AQI
18th May 2025
35AQI
35AQI
19th May 2025
15AQI
15AQI
20th May 2025
16AQI
16AQI
21st May 2025
21AQI
21AQI
22nd May 2025
25AQI
25AQI
23rd May 2025
33AQI
33AQI
24th May 2025
47AQI
47AQI
25th May 2025
18AQI
18AQI
26th May 2025
20AQI
20AQI
27th May 2025
36AQI
36AQI
28th May 2025
28AQI
28AQI
29th May 2025
19AQI
19AQI
30th May 2025
24AQI
24AQI
31st May 2025
29AQI
29AQI
1st June 2025
31AQI
31AQI
2nd June 2025
28AQI
28AQI
3rd June 2025
21AQI
21AQI
4th June 2025
37AQI
37AQI
5th June 2025
39AQI
39AQI
6th June 2025
36AQI
36AQI
7th June 2025
24AQI
24AQI
8th June 2025
34AQI
34AQI
9th June 2025
52AQI
52AQI
10th June 2025
39AQI
39AQI
11th June 2025
28AQI
28AQI
12th June 2025
26AQI
26AQI
13th June 2025
27AQI
27AQI
14th June 2025
33AQI
33AQI
15th June 2025
28AQI
28AQI
16th June 2025
29AQI
29AQI
17th June 2025
33AQI
33AQI
18th June 2025
28AQI
28AQI
19th June 2025
28AQI
28AQI
20th June 2025
32AQI
32AQI
21st June 2025
36AQI
36AQI
22nd June 2025
36AQI
36AQI
23rd June 2025
41AQI
41AQI
24th June 2025
50AQI
50AQI
25th June 2025
41AQI
41AQI
26th June 2025
29AQI
29AQI
27th June 2025
29AQI
29AQI
28th June 2025
33AQI
33AQI
29th June 2025
32AQI
32AQI
30th June 2025
34AQI
34AQI
1st July 2025
31AQI
31AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
26AQI
26AQI
4th July 2025
24AQI
24AQI
5th July 2025
41AQI
41AQI
6th July 2025
28AQI
28AQI
7th July 2025
28AQI
28AQI
8th July 2025
30AQI
30AQI
9th July 2025
31AQI
31AQI
10th July 2025
36AQI
36AQI
11th July 2025
39AQI
39AQI
12th July 2025
58AQI
58AQI
13th July 2025
47AQI
47AQI
14th July 2025
30AQI
30AQI
15th July 2025
29AQI
29AQI
16th July 2025
45AQI
45AQI
17th July 2025
54AQI
54AQI
18th July 2025
52AQI
52AQI
19th July 2025
46AQI
46AQI
20th July 2025
32AQI
32AQI
21st July 2025
29AQI
29AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
25AQI
25AQI
24th July 2025
31AQI
31AQI
25th July 2025
37AQI
37AQI
26th July 2025
38AQI
38AQI
27th July 2025
27AQI
27AQI
28th July 2025
29AQI
29AQI
29th July 2025
50AQI
50AQI
30th July 2025
41AQI
41AQI
31st July 2025
56AQI
56AQI
1st August 2025
55AQI
55AQI
2nd August 2025
36AQI
36AQI
3rd August 2025
25AQI
25AQI
4th August 2025
36AQI
36AQI
5th August 2025
51AQI
51AQI
6th August 2025
63AQI
63AQI
7th August 2025
49AQI
49AQI
28AQI
28AQI
24AQI
33AQI
36AQI
45AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
6
29
1
31
29
1
27
4
4
3
126
9
Highest AQI recorded in
August45AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
31AQILeast Polluted Year Recorded
2025(Avg.)
31AQIDenver's annual 2025 AQI (31) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
