Adams County Admin Building, Derby, 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
Adams County Admin Building, Derby, Colorado, United States
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2025
77AQILowest AQI recorded on
15th Aug 2024
22AQISame Day Analysis (10th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Adams County Admin Building, Derby, Colorado, United States
AQI
Day
Night
.
5 AM10th Aug 2025
8 PM
4 AM11th Aug 2025
Day time
Avg. Highest Time
6AM10th Aug
48AQI
Avg. Lowest Time
12PM10th Aug
29AQI
Night time
Avg. Highest Time
5AM10th Aug
48AQI
Avg. Lowest Time
4AM11th Aug
36AQI
In the last 24 hours,
Adams County Admin Building's AQI reached its highest point of 48 at 5 AM during the Night, while the lowest point, 29, was recorded at 12 PM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Adams County Admin Building, Derby, Colorado, United States
JulAug
12th - 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 - 09th09th - 10th10th - 11th11th
Day
Night
12th Jul 2025715 AMAQI
12th Jul 2025706 AMAQI
12th Jul 2025647 AMAQI
12th Jul 2025658 AMAQI
12th Jul 2025639 AMAQI
12th Jul 20256310 AMAQI
12th Jul 20256111 AMAQI
12th Jul 20256012 PMAQI
12th Jul 2025601 PMAQI
12th Jul 2025582 PMAQI
12th Jul 2025583 PMAQI
12th Jul 2025584 PMAQI
12th Jul 2025565 PMAQI
12th Jul 2025546 PMAQI
12th Jul 2025567 PMAQI
12th Jul 2025568 PMAQI
12th Jul 2025499 PMAQI
12th Jul 20255210 PMAQI
12th Jul 20255311 PMAQI
13th Jul 20255412 AMAQI
13th Jul 2025541 AMAQI
13th Jul 2025542 AMAQI
13th Jul 2025553 AMAQI
13th Jul 2025554 AMAQI
23°C16/31°C
13th Jul 2025515 AMAQI
13th Jul 2025526 AMAQI
13th Jul 2025517 AMAQI
13th Jul 2025528 AMAQI
13th Jul 2025529 AMAQI
13th Jul 20255110 AMAQI
13th Jul 20255211 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025501 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025523 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025495 PMAQI
13th Jul 2025486 PMAQI
13th Jul 2025527 PMAQI
13th Jul 2025488 PMAQI
13th Jul 2025469 PMAQI
13th Jul 20254810 PMAQI
13th Jul 20254211 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025441 AMAQI
14th Jul 2025442 AMAQI
14th Jul 2025403 AMAQI
14th Jul 2025404 AMAQI
27°C18/35°C
14th Jul 2025305 AMAQI
14th Jul 2025276 AMAQI
14th Jul 2025327 AMAQI
14th Jul 2025348 AMAQI
14th Jul 2025369 AMAQI
14th Jul 20253910 AMAQI
14th Jul 20253911 AMAQI
14th Jul 20253812 PMAQI
14th Jul 2025381 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025353 PMAQI
14th Jul 2025374 PMAQI
14th Jul 2025395 PMAQI
14th Jul 2025426 PMAQI
14th Jul 2025387 PMAQI
14th Jul 2025388 PMAQI
14th Jul 2025399 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253111 PMAQI
15th Jul 20253112 AMAQI
15th Jul 2025291 AMAQI
15th Jul 2025282 AMAQI
15th Jul 2025283 AMAQI
15th Jul 2025324 AMAQI
27°C20/37°C
15th Jul 2025305 AMAQI
15th Jul 2025296 AMAQI
15th Jul 2025357 AMAQI
15th Jul 2025438 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20255210 AMAQI
15th Jul 20255211 AMAQI
15th Jul 20255112 PMAQI
15th Jul 2025451 PMAQI
15th Jul 2025462 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025404 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025506 PMAQI
15th Jul 2025427 PMAQI
15th Jul 2025408 PMAQI
15th Jul 2025399 PMAQI
15th Jul 20254010 PMAQI
15th Jul 20253911 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025411 AMAQI
16th Jul 2025402 AMAQI
16th Jul 2025403 AMAQI
16th Jul 2025424 AMAQI
28°C19/37°C
16th Jul 2025445 AMAQI
16th Jul 2025426 AMAQI
16th Jul 2025437 AMAQI
16th Jul 2025428 AMAQI
16th Jul 2025439 AMAQI
16th Jul 20254710 AMAQI
16th Jul 20254411 AMAQI
16th Jul 20254312 PMAQI
16th Jul 2025471 PMAQI
16th Jul 2025462 PMAQI
16th Jul 2025493 PMAQI
16th Jul 2025494 PMAQI
16th Jul 2025525 PMAQI
16th Jul 2025526 PMAQI
16th Jul 2025457 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025519 PMAQI
16th Jul 20254710 PMAQI
16th Jul 20254711 PMAQI
17th Jul 20255012 AMAQI
17th Jul 2025491 AMAQI
17th Jul 2025482 AMAQI
17th Jul 2025483 AMAQI
17th Jul 2025484 AMAQI
21°C16/27°C
17th Jul 2025525 AMAQI
17th Jul 2025526 AMAQI
17th Jul 2025527 AMAQI
17th Jul 2025528 AMAQI
17th Jul 2025539 AMAQI
17th Jul 20255310 AMAQI
17th Jul 20255311 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025572 PMAQI
17th Jul 2025563 PMAQI
17th Jul 2025584 PMAQI
17th Jul 2025585 PMAQI
17th Jul 2025596 PMAQI
17th Jul 2025547 PMAQI
17th Jul 2025538 PMAQI
17th Jul 2025549 PMAQI
17th Jul 20255410 PMAQI
17th Jul 20255211 PMAQI
18th Jul 20255212 AMAQI
18th Jul 2025521 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025503 AMAQI
18th Jul 2025524 AMAQI
22°C15/32°C
18th Jul 2025525 AMAQI
18th Jul 2025526 AMAQI
18th Jul 2025527 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025589 AMAQI
18th Jul 20255810 AMAQI
18th Jul 20255811 AMAQI
18th Jul 20255812 PMAQI
18th Jul 2025581 PMAQI
18th Jul 2025582 PMAQI
18th Jul 2025583 PMAQI
18th Jul 2025574 PMAQI
18th Jul 2025575 PMAQI
18th Jul 2025566 PMAQI
18th Jul 2025557 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025539 PMAQI
18th Jul 20255410 PMAQI
18th Jul 20255411 PMAQI
19th Jul 20255512 AMAQI
19th Jul 2025561 AMAQI
19th Jul 2025572 AMAQI
19th Jul 2025563 AMAQI
19th Jul 2025534 AMAQI
25°C17/36°C
19th Jul 2025525 AMAQI
19th Jul 2025506 AMAQI
19th Jul 2025537 AMAQI
19th Jul 2025538 AMAQI
19th Jul 2025549 AMAQI
19th Jul 20255410 AMAQI
19th Jul 20255211 AMAQI
19th Jul 20255212 PMAQI
19th Jul 2025521 PMAQI
19th Jul 2025522 PMAQI
19th Jul 2025523 PMAQI
19th Jul 2025504 PMAQI
19th Jul 2025465 PMAQI
19th Jul 2025446 PMAQI
19th Jul 2025487 PMAQI
19th Jul 2025508 PMAQI
19th Jul 2025449 PMAQI
19th Jul 20254410 PMAQI
19th Jul 20254211 PMAQI
20th Jul 20254012 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025443 AMAQI
20th Jul 2025454 AMAQI
25°C17/35°C
20th Jul 2025415 AMAQI
20th Jul 2025406 AMAQI
20th Jul 2025407 AMAQI
20th Jul 2025368 AMAQI
20th Jul 2025369 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253511 AMAQI
20th Jul 20253312 PMAQI
20th Jul 2025321 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025343 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025345 PMAQI
20th Jul 2025346 PMAQI
20th Jul 2025357 PMAQI
20th Jul 2025358 PMAQI
20th Jul 2025329 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253111 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025291 AMAQI
21st Jul 2025282 AMAQI
21st Jul 2025303 AMAQI
21st Jul 2025294 AMAQI
25°C20/36°C
21st Jul 2025245 AMAQI
21st Jul 2025256 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025469 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20255411 AMAQI
21st Jul 20254812 PMAQI
21st Jul 2025461 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025373 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025385 PMAQI
21st Jul 2025396 PMAQI
21st Jul 2025387 PMAQI
21st Jul 2025408 PMAQI
21st Jul 2025409 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253911 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025351 AMAQI
22nd Jul 2025322 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025264 AMAQI
26°C19/37°C
22nd Jul 2025255 AMAQI
22nd Jul 2025246 AMAQI
22nd Jul 2025277 AMAQI
22nd Jul 2025308 AMAQI
22nd Jul 2025439 AMAQI
22nd Jul 20255010 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025391 PMAQI
22nd Jul 2025362 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025364 PMAQI
22nd Jul 2025375 PMAQI
22nd Jul 2025346 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025319 PMAQI
22nd Jul 20252910 PMAQI
22nd Jul 20252811 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025232 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025214 AMAQI
26°C18/36°C
23rd Jul 2025175 AMAQI
23rd Jul 2025196 AMAQI
23rd Jul 2025217 AMAQI
23rd Jul 2025238 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20253010 AMAQI
23rd Jul 20253111 AMAQI
23rd Jul 20253812 PMAQI
23rd Jul 2025331 PMAQI
23rd Jul 2025362 PMAQI
23rd Jul 2025363 PMAQI
23rd Jul 2025354 PMAQI
23rd Jul 2025345 PMAQI
23rd Jul 2025366 PMAQI
23rd Jul 2025307 PMAQI
23rd Jul 2025308 PMAQI
23rd Jul 2025359 PMAQI
23rd Jul 20253310 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20252812 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025302 AMAQI
24th Jul 2025303 AMAQI
24th Jul 2025324 AMAQI
25°C20/32°C
24th Jul 2025305 AMAQI
24th Jul 2025286 AMAQI
24th Jul 2025307 AMAQI
24th Jul 2025328 AMAQI
24th Jul 2025349 AMAQI
24th Jul 20253710 AMAQI
24th Jul 20254011 AMAQI
24th Jul 20254012 PMAQI
24th Jul 2025381 PMAQI
24th Jul 2025362 PMAQI
24th Jul 2025363 PMAQI
24th Jul 2025344 PMAQI
24th Jul 2025325 PMAQI
24th Jul 2025346 PMAQI
24th Jul 2025377 PMAQI
24th Jul 2025328 PMAQI
24th Jul 2025349 PMAQI
24th Jul 20253210 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025291 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025273 AMAQI
25th Jul 2025284 AMAQI
21°C17/32°C
25th Jul 2025275 AMAQI
25th Jul 2025286 AMAQI
25th Jul 2025317 AMAQI
25th Jul 2025398 AMAQI
25th Jul 2025429 AMAQI
25th Jul 20254510 AMAQI
25th Jul 20255011 AMAQI
25th Jul 20254812 PMAQI
25th Jul 2025461 PMAQI
25th Jul 2025492 PMAQI
25th Jul 2025503 PMAQI
25th Jul 2025494 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025526 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025519 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20254811 PMAQI
26th Jul 20255012 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025452 AMAQI
26th Jul 2025413 AMAQI
26th Jul 2025424 AMAQI
24°C17/35°C
26th Jul 2025455 AMAQI
26th Jul 2025486 AMAQI
26th Jul 2025497 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025549 AMAQI
26th Jul 20255410 AMAQI
26th Jul 20255311 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025452 PMAQI
26th Jul 2025403 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025427 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253210 PMAQI
26th Jul 20253511 PMAQI
27th Jul 20253412 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025363 AMAQI
27th Jul 2025364 AMAQI
25°C18/36°C
27th Jul 2025335 AMAQI
27th Jul 2025316 AMAQI
27th Jul 2025327 AMAQI
27th Jul 2025338 AMAQI
27th Jul 2025329 AMAQI
27th Jul 20253010 AMAQI
27th Jul 20252911 AMAQI
27th Jul 20252812 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025243 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025226 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025239 PMAQI
27th Jul 20252410 PMAQI
27th Jul 20252611 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025301 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025384 AMAQI
27°C19/38°C
28th Jul 2025345 AMAQI
28th Jul 2025376 AMAQI
28th Jul 2025397 AMAQI
28th Jul 2025408 AMAQI
28th Jul 2025469 AMAQI
28th Jul 20255810 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20254712 PMAQI
28th Jul 2025451 PMAQI
28th Jul 2025372 PMAQI
28th Jul 2025343 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025275 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025317 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20254011 PMAQI
29th Jul 20255012 AMAQI
29th Jul 2025511 AMAQI
29th Jul 2025512 AMAQI
29th Jul 2025523 AMAQI
29th Jul 2025504 AMAQI
28°C19/36°C
29th Jul 2025535 AMAQI
29th Jul 2025506 AMAQI
29th Jul 2025517 AMAQI
29th Jul 2025508 AMAQI
29th Jul 2025529 AMAQI
29th Jul 20255210 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255312 PMAQI
29th Jul 2025521 PMAQI
29th Jul 2025522 PMAQI
29th Jul 2025523 PMAQI
29th Jul 2025524 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025546 PMAQI
29th Jul 2025547 PMAQI
29th Jul 2025528 PMAQI
29th Jul 2025509 PMAQI
29th Jul 20254810 PMAQI
29th Jul 20254011 PMAQI
30th Jul 20253612 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025403 AMAQI
30th Jul 2025394 AMAQI
24°C20/30°C
30th Jul 2025335 AMAQI
30th Jul 2025326 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025408 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20254310 AMAQI
30th Jul 20254211 AMAQI
30th Jul 20254112 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025442 PMAQI
30th Jul 2025443 PMAQI
30th Jul 2025444 PMAQI
30th Jul 2025445 PMAQI
30th Jul 2025446 PMAQI
30th Jul 2025447 PMAQI
30th Jul 2025448 PMAQI
30th Jul 2025489 PMAQI
30th Jul 20255110 PMAQI
30th Jul 20255111 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025561 AMAQI
31st Jul 2025562 AMAQI
31st Jul 2025573 AMAQI
31st Jul 2025574 AMAQI
20°C17/25°C
31st Jul 2025575 AMAQI
31st Jul 2025556 AMAQI
31st Jul 2025487 AMAQI
31st Jul 2025568 AMAQI
31st Jul 2025579 AMAQI
31st Jul 20255510 AMAQI
31st Jul 20255711 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025631 PMAQI
31st Jul 2025612 PMAQI
31st Jul 2025593 PMAQI
31st Jul 2025584 PMAQI
31st Jul 2025605 PMAQI
31st Jul 2025626 PMAQI
31st Jul 2025587 PMAQI
31st Jul 2025578 PMAQI
31st Jul 2025649 PMAQI
31st Jul 20255710 PMAQI
31st Jul 20255611 PMAQI
1st Aug 20255612 AMAQI
1st Aug 2025551 AMAQI
1st Aug 2025552 AMAQI
1st Aug 2025543 AMAQI
1st Aug 2025544 AMAQI
22°C16/32°C
1st Aug 2025555 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025607 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025639 AMAQI
1st Aug 20256010 AMAQI
1st Aug 20255911 AMAQI
1st Aug 20255812 PMAQI
1st Aug 2025591 PMAQI
1st Aug 2025592 PMAQI
1st Aug 2025613 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025578 PMAQI
1st Aug 2025529 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20253311 PMAQI
2nd Aug 20253012 AMAQI
2nd Aug 2025351 AMAQI
2nd Aug 2025412 AMAQI
2nd Aug 2025413 AMAQI
2nd Aug 2025404 AMAQI
22°C16/32°C
2nd Aug 2025385 AMAQI
2nd Aug 2025386 AMAQI
2nd Aug 2025427 AMAQI
2nd Aug 2025468 AMAQI
2nd Aug 2025509 AMAQI
2nd Aug 20255210 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20254912 PMAQI
2nd Aug 2025491 PMAQI
2nd Aug 2025442 PMAQI
2nd Aug 2025403 PMAQI
2nd Aug 2025384 PMAQI
2nd Aug 2025415 PMAQI
2nd Aug 2025396 PMAQI
2nd Aug 2025397 PMAQI
2nd Aug 2025338 PMAQI
2nd Aug 2025289 PMAQI
2nd Aug 20252910 PMAQI
2nd Aug 20253011 PMAQI
3rd Aug 20252812 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025262 AMAQI
3rd Aug 2025283 AMAQI
3rd Aug 2025294 AMAQI
23°C15/34°C
3rd Aug 2025295 AMAQI
3rd Aug 2025296 AMAQI
3rd Aug 2025307 AMAQI
3rd Aug 2025308 AMAQI
3rd Aug 2025329 AMAQI
3rd Aug 20253210 AMAQI
3rd Aug 20253411 AMAQI
3rd Aug 20253012 PMAQI
3rd Aug 2025251 PMAQI
3rd Aug 2025222 PMAQI
3rd Aug 2025213 PMAQI
3rd Aug 2025214 PMAQI
3rd Aug 2025225 PMAQI
3rd Aug 2025216 PMAQI
3rd Aug 2025277 PMAQI
3rd Aug 2025248 PMAQI
3rd Aug 2025239 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252311 PMAQI
4th Aug 20252412 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025242 AMAQI
4th Aug 2025263 AMAQI
4th Aug 2025274 AMAQI
25°C16/33°C
4th Aug 2025275 AMAQI
4th Aug 2025306 AMAQI
4th Aug 2025347 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025519 AMAQI
4th Aug 20255510 AMAQI
4th Aug 20255511 AMAQI
4th Aug 20255212 PMAQI
4th Aug 2025511 PMAQI
4th Aug 2025482 PMAQI
4th Aug 2025463 PMAQI
4th Aug 2025474 PMAQI
4th Aug 2025495 PMAQI
4th Aug 2025506 PMAQI
4th Aug 2025387 PMAQI
4th Aug 2025488 PMAQI
4th Aug 2025549 PMAQI
4th Aug 20255610 PMAQI
4th Aug 20255511 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025531 AMAQI
5th Aug 2025502 AMAQI
5th Aug 2025503 AMAQI
5th Aug 2025484 AMAQI
27°C17/37°C
5th Aug 2025505 AMAQI
5th Aug 2025526 AMAQI
5th Aug 2025557 AMAQI
5th Aug 2025618 AMAQI
5th Aug 2025679 AMAQI
5th Aug 20257910 AMAQI
5th Aug 20257611 AMAQI
5th Aug 20257412 PMAQI
5th Aug 2025681 PMAQI
5th Aug 2025632 PMAQI
5th Aug 2025623 PMAQI
5th Aug 2025624 PMAQI
5th Aug 2025595 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025567 PMAQI
5th Aug 2025528 PMAQI
5th Aug 2025549 PMAQI
5th Aug 20255510 PMAQI
5th Aug 20255811 PMAQI
6th Aug 20255812 AMAQI
6th Aug 2025621 AMAQI
6th Aug 2025832 AMAQI
6th Aug 20251023 AMAQI
6th Aug 20251124 AMAQI
29°C18/38°C
6th Aug 20251075 AMAQI
6th Aug 20251116 AMAQI
6th Aug 2025917 AMAQI
6th Aug 2025818 AMAQI
6th Aug 2025829 AMAQI
6th Aug 20258710 AMAQI
6th Aug 20258811 AMAQI
6th Aug 20258612 PMAQI
6th Aug 2025801 PMAQI
6th Aug 2025732 PMAQI
6th Aug 2025643 PMAQI
6th Aug 2025614 PMAQI
6th Aug 2025595 PMAQI
6th Aug 2025586 PMAQI
6th Aug 2025707 PMAQI
6th Aug 2025638 PMAQI
6th Aug 2025569 PMAQI
6th Aug 20255510 PMAQI
6th Aug 20255311 PMAQI
7th Aug 20255912 AMAQI
7th Aug 2025631 AMAQI
7th Aug 2025612 AMAQI
7th Aug 2025613 AMAQI
7th Aug 2025634 AMAQI
28°C20/38°C
7th Aug 2025515 AMAQI
7th Aug 2025506 AMAQI
7th Aug 2025537 AMAQI
7th Aug 2025548 AMAQI
7th Aug 2025669 AMAQI
7th Aug 20256610 AMAQI
7th Aug 20256111 AMAQI
7th Aug 20255612 PMAQI
7th Aug 2025561 PMAQI
7th Aug 2025542 PMAQI
7th Aug 2025543 PMAQI
7th Aug 2025544 PMAQI
7th Aug 2025535 PMAQI
7th Aug 2025536 PMAQI
7th Aug 2025557 PMAQI
7th Aug 2025568 PMAQI
7th Aug 2025539 PMAQI
7th Aug 20255310 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255512 AMAQI
8th Aug 2025561 AMAQI
8th Aug 2025572 AMAQI
8th Aug 2025583 AMAQI
8th Aug 2025564 AMAQI
30°C20/39°C
8th Aug 2025545 AMAQI
8th Aug 2025526 AMAQI
8th Aug 2025537 AMAQI
8th Aug 2025538 AMAQI
8th Aug 2025539 AMAQI
8th Aug 20255510 AMAQI
8th Aug 20255611 AMAQI
8th Aug 20255612 PMAQI
8th Aug 2025561 PMAQI
8th Aug 2025562 PMAQI
8th Aug 2025533 PMAQI
8th Aug 2025524 PMAQI
8th Aug 2025515 PMAQI
8th Aug 2025516 PMAQI
8th Aug 2025547 PMAQI
8th Aug 2025538 PMAQI
8th Aug 2025489 PMAQI
8th Aug 20255110 PMAQI
8th Aug 20255011 PMAQI
9th Aug 20254812 AMAQI
9th Aug 2025491 AMAQI
9th Aug 2025512 AMAQI
9th Aug 2025523 AMAQI
9th Aug 2025524 AMAQI
29°C20/38°C
9th Aug 2025455 AMAQI
9th Aug 2025426 AMAQI
9th Aug 2025427 AMAQI
9th Aug 2025438 AMAQI
9th Aug 2025469 AMAQI
9th Aug 20254810 AMAQI
9th Aug 20254411 AMAQI
9th Aug 20254412 PMAQI
9th Aug 2025461 PMAQI
9th Aug 2025462 PMAQI
9th Aug 2025503 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025575 PMAQI
9th Aug 2025566 PMAQI
9th Aug 2025527 PMAQI
9th Aug 2025528 PMAQI
9th Aug 2025559 PMAQI
9th Aug 20255410 PMAQI
9th Aug 20255211 PMAQI
10th Aug 20255112 AMAQI
10th Aug 2025501 AMAQI
10th Aug 2025502 AMAQI
10th Aug 2025493 AMAQI
10th Aug 2025484 AMAQI
25°C19/33°C
10th Aug 2025485 AMAQI
10th Aug 2025486 AMAQI
10th Aug 2025467 AMAQI
10th Aug 2025468 AMAQI
10th Aug 2025419 AMAQI
10th Aug 20253410 AMAQI
10th Aug 20252911 AMAQI
10th Aug 20252912 PMAQI
10th Aug 2025301 PMAQI
10th Aug 2025362 PMAQI
10th Aug 2025423 PMAQI
10th Aug 2025434 PMAQI
10th Aug 2025445 PMAQI
10th Aug 2025436 PMAQI
10th Aug 2025457 PMAQI
10th Aug 2025468 PMAQI
10th Aug 2025469 PMAQI
10th Aug 20254410 PMAQI
10th Aug 20254411 PMAQI
11th Aug 20254212 AMAQI
11th Aug 2025381 AMAQI
11th Aug 2025362 AMAQI
11th Aug 2025363 AMAQI
11th Aug 2025364 AMAQI
21°C18/27°C
11th Aug 2025355 AMAQI
5 AM11th Aug 2025366 AMAQI
11th Aug 2025387 AMAQI
11th Aug 2025428 AMAQI
11th Aug 2025509 AMAQI
11th Aug 20255410 AMAQI
11th Aug 20255511 AMAQI
11th Aug 20255612 PMAQI
12 PM11th Aug 2025561 PMAQI
11th Aug 2025542 PMAQI
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
9 AM - 8 PM
47AQI
12 hours / Day
360 hours / Month
Avg. Lowest Time
5 AM - 8 AM
44AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 8 PM (Avg. 47), while the lowest AQI was between 5 AM to 8 AM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 11 PM
44AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
44AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 44), while the lowest AQI was between 12 AM to 11 PM (Avg. 44).
2025 Days Vs Air Quality
Adams County Admin Building, Derby, Colorado, United States
2025
90%
199
10%
23
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Good
199 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 223 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
Adams County Admin Building, Derby, 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 January 2025
36AQI
36AQI
2nd January 2025
42AQI
42AQI
3rd January 2025
52AQI
52AQI
4th January 2025
43AQI
43AQI
5th January 2025
29AQI
29AQI
6th January 2025
45AQI
45AQI
7th January 2025
37AQI
37AQI
8th January 2025
45AQI
45AQI
9th January 2025
38AQI
38AQI
10th January 2025
40AQI
40AQI
11th January 2025
23AQI
23AQI
12th January 2025
24AQI
24AQI
13th January 2025
26AQI
26AQI
14th January 2025
27AQI
27AQI
15th January 2025
37AQI
37AQI
16th January 2025
55AQI
55AQI
17th January 2025
47AQI
47AQI
18th January 2025
20AQI
20AQI
19th January 2025
33AQI
33AQI
20th January 2025
26AQI
26AQI
21st January 2025
29AQI
29AQI
22nd January 2025
25AQI
25AQI
23rd January 2025
30AQI
30AQI
24th January 2025
29AQI
29AQI
25th January 2025
23AQI
23AQI
26th January 2025
41AQI
41AQI
27th January 2025
60AQI
60AQI
28th January 2025
57AQI
57AQI
29th January 2025
51AQI
51AQI
30th January 2025
40AQI
40AQI
31st January 2025
39AQI
39AQI
1st February 2025
28AQI
28AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
26AQI
26AQI
4th February 2025
48AQI
48AQI
5th February 2025
51AQI
51AQI
6th February 2025
23AQI
23AQI
7th February 2025
42AQI
42AQI
8th February 2025
27AQI
27AQI
9th February 2025
23AQI
23AQI
10th February 2025
26AQI
26AQI
11th February 2025
35AQI
35AQI
12th February 2025
34AQI
34AQI
13th February 2025
48AQI
48AQI
14th February 2025
55AQI
55AQI
15th February 2025
36AQI
36AQI
16th February 2025
44AQI
44AQI
17th February 2025
43AQI
43AQI
18th February 2025
33AQI
33AQI
19th February 2025
32AQI
32AQI
20th February 2025
46AQI
46AQI
21st February 2025
35AQI
35AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
18AQI
18AQI
24th February 2025
16AQI
16AQI
25th February 2025
18AQI
18AQI
26th February 2025
18AQI
18AQI
27th February 2025
22AQI
22AQI
28th February 2025
26AQI
26AQI
1st March 2025
25AQI
25AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
29AQI
29AQI
4th March 2025
20AQI
20AQI
5th March 2025
15AQI
15AQI
6th March 2025
23AQI
23AQI
7th March 2025
17AQI
17AQI
8th March 2025
27AQI
27AQI
9th March 2025
21AQI
21AQI
10th March 2025
24AQI
24AQI
11th March 2025
23AQI
23AQI
12th March 2025
25AQI
25AQI
13th March 2025
31AQI
31AQI
14th March 2025
28AQI
28AQI
15th March 2025
16AQI
16AQI
16th March 2025
16AQI
16AQI
17th March 2025
24AQI
24AQI
18th March 2025
33AQI
33AQI
19th March 2025
16AQI
16AQI
20th March 2025
21AQI
21AQI
21st March 2025
17AQI
17AQI
22nd March 2025
19AQI
19AQI
23rd March 2025
14AQI
14AQI
24th March 2025
22AQI
22AQI
25th March 2025
23AQI
23AQI
26th March 2025
34AQI
34AQI
27th March 2025
40AQI
40AQI
28th March 2025
44AQI
44AQI
29th March 2025
24AQI
24AQI
30th March 2025
26AQI
26AQI
31st March 2025
45AQI
45AQI
1st April 2025
35AQI
35AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
24AQI
24AQI
4th April 2025
27AQI
27AQI
5th April 2025
33AQI
33AQI
6th April 2025
30AQI
30AQI
7th April 2025
35AQI
35AQI
8th April 2025
36AQI
36AQI
9th April 2025
44AQI
44AQI
10th April 2025
52AQI
52AQI
11th April 2025
51AQI
51AQI
12th April 2025
43AQI
43AQI
13th April 2025
30AQI
30AQI
14th April 2025
22AQI
22AQI
15th April 2025
39AQI
39AQI
16th April 2025
38AQI
38AQI
17th April 2025
40AQI
40AQI
18th April 2025
14AQI
14AQI
19th April 2025
27AQI
27AQI
20th April 2025
29AQI
29AQI
21st April 2025
24AQI
24AQI
22nd April 2025
29AQI
29AQI
23rd April 2025
38AQI
38AQI
24th April 2025
60AQI
60AQI
25th April 2025
29AQI
29AQI
26th April 2025
31AQI
31AQI
27th April 2025
39AQI
39AQI
28th April 2025
23AQI
23AQI
29th April 2025
22AQI
22AQI
30th April 2025
26AQI
26AQI
1st May 2025
18AQI
18AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
28AQI
28AQI
4th May 2025
28AQI
28AQI
5th May 2025
23AQI
23AQI
6th May 2025
20AQI
20AQI
7th May 2025
26AQI
26AQI
8th May 2025
39AQI
39AQI
9th May 2025
39AQI
39AQI
10th May 2025
37AQI
37AQI
11th May 2025
30AQI
30AQI
12th May 2025
33AQI
33AQI
13th May 2025
40AQI
40AQI
14th May 2025
41AQI
41AQI
15th May 2025
18AQI
18AQI
16th May 2025
22AQI
22AQI
17th May 2025
23AQI
23AQI
18th May 2025
38AQI
38AQI
19th May 2025
16AQI
16AQI
20th May 2025
23AQI
23AQI
21st May 2025
24AQI
24AQI
22nd May 2025
29AQI
29AQI
23rd May 2025
34AQI
34AQI
24th May 2025
46AQI
46AQI
25th May 2025
16AQI
16AQI
26th May 2025
18AQI
18AQI
27th May 2025
34AQI
34AQI
28th May 2025
26AQI
26AQI
29th May 2025
19AQI
19AQI
30th May 2025
29AQI
29AQI
31st May 2025
30AQI
30AQI
1st June 2025
32AQI
32AQI
2nd June 2025
30AQI
30AQI
3rd June 2025
20AQI
20AQI
4th June 2025
36AQI
36AQI
5th June 2025
39AQI
39AQI
6th June 2025
34AQI
34AQI
7th June 2025
27AQI
27AQI
8th June 2025
35AQI
35AQI
9th June 2025
54AQI
54AQI
10th June 2025
45AQI
45AQI
11th June 2025
31AQI
31AQI
12th June 2025
31AQI
31AQI
13th June 2025
32AQI
32AQI
14th June 2025
37AQI
37AQI
15th June 2025
31AQI
31AQI
16th June 2025
35AQI
35AQI
17th June 2025
32AQI
32AQI
18th June 2025
31AQI
31AQI
19th June 2025
33AQI
33AQI
20th June 2025
39AQI
39AQI
21st June 2025
45AQI
45AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
41AQI
41AQI
24th June 2025
50AQI
50AQI
25th June 2025
39AQI
39AQI
26th June 2025
30AQI
30AQI
27th June 2025
34AQI
34AQI
28th June 2025
40AQI
40AQI
29th June 2025
37AQI
37AQI
30th June 2025
34AQI
34AQI
1st July 2025
38AQI
38AQI
2nd July 2025
33AQI
33AQI
3rd July 2025
31AQI
31AQI
4th July 2025
26AQI
26AQI
5th July 2025
47AQI
47AQI
6th July 2025
29AQI
29AQI
7th July 2025
32AQI
32AQI
8th July 2025
36AQI
36AQI
9th July 2025
38AQI
38AQI
10th July 2025
43AQI
43AQI
11th July 2025
45AQI
45AQI
12th July 2025
59AQI
59AQI
13th July 2025
51AQI
51AQI
14th July 2025
38AQI
38AQI
15th July 2025
39AQI
39AQI
16th July 2025
45AQI
45AQI
17th July 2025
53AQI
53AQI
18th July 2025
54AQI
54AQI
19th July 2025
51AQI
51AQI
20th July 2025
37AQI
37AQI
21st July 2025
37AQI
37AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
28AQI
28AQI
24th July 2025
33AQI
33AQI
25th July 2025
40AQI
40AQI
26th July 2025
44AQI
44AQI
27th July 2025
29AQI
29AQI
28th July 2025
36AQI
36AQI
29th July 2025
51AQI
51AQI
30th July 2025
42AQI
42AQI
31st July 2025
58AQI
58AQI
1st August 2025
56AQI
56AQI
2nd August 2025
39AQI
39AQI
3rd August 2025
26AQI
26AQI
4th August 2025
41AQI
41AQI
5th August 2025
58AQI
58AQI
6th August 2025
77AQI
77AQI
7th August 2025
57AQI
57AQI
8th August 2025
54AQI
54AQI
9th August 2025
50AQI
50AQI
10th August 2025
43AQI
43AQI
37AQI
32AQI
25AQI
33AQI
28AQI
36AQI
41AQI
50AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
26
5
26
2
31
27
3
31
29
1
24
7
5
5
199
23
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
March25AQI
202438AQI
16
8
4
23
6
18
13
27
4
18
10
18
13
28
2
29
2
185
54
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
January22AQI
202315AQI
3
31
34
Highest AQI recorded in
November19AQI
Lowest AQI recorded in
December14AQI
202039AQI
13
18
2
18
29
1
30
1
18
13
16
13
1
18
12
2
160
44
1
Highest AQI recorded in
November64AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2020(Avg.)
39AQILeast Polluted Year Recorded
2023(Avg.)
15AQIAdams County Admin Building's annual 2025 AQI (34) shows an average percentage change of 35.6% (worsened AQI) compared to previous years: 2020 (39), 2023 (15), 2024 (38).
