Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Rocky Flats National Wildlife Refuge, Superior, 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+

July Air Quality Analysis

Rocky Flats National Wildlife Refuge, Superior, Colorado, United States

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
31st Jul 2025
52AQI
Lowest AQI recorded on
11th Jul 2026
14AQI

Same Day Analysis (16th July):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 25 of Good air quality, showing improvement over 2025 on the same day.

Day & Night AQI Trend: 16th Jul - 17th Jul 2026

Rocky Flats National Wildlife Refuge, Superior, Colorado, United States

AQI
Day
Night
.

5 AM16th Jul 2026

8 PM

4 AM17th Jul 2026

Day time
Avg. Highest Time
3PM16th Jul

32AQI

Avg. Lowest Time
6AM16th Jul

16AQI

Night time
Avg. Highest Time
9PM16th Jul

25AQI

Avg. Lowest Time
12AM17th Jul

12AQI

In the last 24 hours,

Rocky Flats National Wildlife Refuge's AQI reached its highest point of 32 at 3 PM during the Day, while the lowest point, 12, was recorded at 12 AM during the Night between 16th Jul and 17th Jul 2026.

Day & Night AQI Trend : Jun - Jul 2026

Rocky Flats National Wildlife Refuge, Superior, Colorado, United States

JunJul
18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th
Day
Night
18th Jun 2026185 AMAQI
18th Jun 2026186 AMAQI
18th Jun 2026177 AMAQI
18th Jun 2026168 AMAQI
18th Jun 2026189 AMAQI
18th Jun 20261210 AMAQI
18th Jun 20261211 AMAQI
18th Jun 20262512 PMAQI
18th Jun 2026271 PMAQI
18th Jun 2026322 PMAQI
18th Jun 2026343 PMAQI
18th Jun 2026384 PMAQI
18th Jun 2026375 PMAQI
18th Jun 2026386 PMAQI
18th Jun 2026367 PMAQI
18th Jun 2026388 PMAQI
18th Jun 2026369 PMAQI
18th Jun 20263710 PMAQI
18th Jun 20263911 PMAQI
19th Jun 20263412 AMAQI
19th Jun 2026371 AMAQI
19th Jun 2026342 AMAQI
19th Jun 2026283 AMAQI
19th Jun 2026264 AMAQI

21°C11/31°C

19th Jun 2026185 AMAQI
19th Jun 2026186 AMAQI
19th Jun 2026187 AMAQI
19th Jun 2026268 AMAQI
19th Jun 2026429 AMAQI
19th Jun 20264310 AMAQI
19th Jun 20264611 AMAQI
19th Jun 20265112 PMAQI
19th Jun 2026521 PMAQI
19th Jun 2026492 PMAQI
19th Jun 2026463 PMAQI
19th Jun 2026484 PMAQI
19th Jun 2026415 PMAQI
19th Jun 2026426 PMAQI
19th Jun 2026387 PMAQI
19th Jun 2026428 PMAQI
19th Jun 2026409 PMAQI
19th Jun 20264010 PMAQI
19th Jun 20263611 PMAQI
20th Jun 20264212 AMAQI
20th Jun 2026441 AMAQI
20th Jun 2026452 AMAQI
20th Jun 2026443 AMAQI
20th Jun 2026424 AMAQI

21°C15/28°C

20th Jun 2026385 AMAQI
20th Jun 2026336 AMAQI
20th Jun 2026347 AMAQI
20th Jun 2026318 AMAQI
20th Jun 2026319 AMAQI
20th Jun 20263210 AMAQI
20th Jun 20264011 AMAQI
20th Jun 20263612 PMAQI
20th Jun 2026421 PMAQI
20th Jun 2026442 PMAQI
20th Jun 2026423 PMAQI
20th Jun 2026444 PMAQI
20th Jun 2026445 PMAQI
20th Jun 2026426 PMAQI
20th Jun 2026427 PMAQI
20th Jun 2026378 PMAQI
20th Jun 2026389 PMAQI
20th Jun 20264010 PMAQI
20th Jun 20264711 PMAQI
21st Jun 20265212 AMAQI
21st Jun 2026441 AMAQI
21st Jun 2026342 AMAQI
21st Jun 2026293 AMAQI
21st Jun 2026254 AMAQI

22°C14/33°C

21st Jun 2026195 AMAQI
21st Jun 2026166 AMAQI
21st Jun 2026187 AMAQI
21st Jun 2026188 AMAQI
21st Jun 2026209 AMAQI
21st Jun 20262110 AMAQI
21st Jun 20262211 AMAQI
21st Jun 20262412 PMAQI
21st Jun 2026231 PMAQI
21st Jun 2026282 PMAQI
21st Jun 2026283 PMAQI
21st Jun 2026264 PMAQI
21st Jun 2026225 PMAQI
21st Jun 2026246 PMAQI
21st Jun 2026227 PMAQI
21st Jun 2026248 PMAQI
21st Jun 2026279 PMAQI
21st Jun 20262810 PMAQI
21st Jun 20263011 PMAQI
22nd Jun 20263212 AMAQI
22nd Jun 2026301 AMAQI
22nd Jun 2026242 AMAQI
22nd Jun 2026223 AMAQI
22nd Jun 2026204 AMAQI

23°C14/32°C

22nd Jun 2026195 AMAQI
22nd Jun 2026186 AMAQI
22nd Jun 2026167 AMAQI
22nd Jun 2026158 AMAQI
22nd Jun 2026169 AMAQI
22nd Jun 20262010 AMAQI
22nd Jun 20262011 AMAQI
22nd Jun 20262212 PMAQI
22nd Jun 2026261 PMAQI
22nd Jun 2026262 PMAQI
22nd Jun 2026283 PMAQI
22nd Jun 2026274 PMAQI
22nd Jun 2026305 PMAQI
22nd Jun 2026266 PMAQI
22nd Jun 2026237 PMAQI
22nd Jun 2026248 PMAQI
22nd Jun 2026259 PMAQI
22nd Jun 20262410 PMAQI
22nd Jun 20264311 PMAQI
23rd Jun 20265212 AMAQI
23rd Jun 2026561 AMAQI
23rd Jun 2026572 AMAQI
23rd Jun 2026543 AMAQI
23rd Jun 2026504 AMAQI

23°C13/32°C

23rd Jun 2026505 AMAQI
23rd Jun 2026406 AMAQI
23rd Jun 2026407 AMAQI
23rd Jun 2026388 AMAQI
23rd Jun 2026369 AMAQI
23rd Jun 20263410 AMAQI
23rd Jun 20262811 AMAQI
23rd Jun 20263112 PMAQI
23rd Jun 2026321 PMAQI
23rd Jun 2026322 PMAQI
23rd Jun 2026333 PMAQI
23rd Jun 2026304 PMAQI
23rd Jun 2026325 PMAQI
23rd Jun 2026326 PMAQI
23rd Jun 2026307 PMAQI
23rd Jun 2026298 PMAQI
23rd Jun 2026309 PMAQI
23rd Jun 20262910 PMAQI
23rd Jun 20263011 PMAQI
24th Jun 20262812 AMAQI
24th Jun 2026251 AMAQI
24th Jun 2026202 AMAQI
24th Jun 2026143 AMAQI
24th Jun 2026144 AMAQI

21°C14/29°C

24th Jun 2026135 AMAQI
24th Jun 2026146 AMAQI
24th Jun 2026147 AMAQI
24th Jun 2026148 AMAQI
24th Jun 2026139 AMAQI
24th Jun 20261510 AMAQI
24th Jun 20261811 AMAQI
24th Jun 20262312 PMAQI
24th Jun 2026261 PMAQI
24th Jun 2026292 PMAQI
24th Jun 2026303 PMAQI
24th Jun 2026324 PMAQI
24th Jun 2026355 PMAQI
24th Jun 2026386 PMAQI
24th Jun 2026377 PMAQI
24th Jun 2026368 PMAQI
24th Jun 2026369 PMAQI
24th Jun 20263710 PMAQI
24th Jun 20263611 PMAQI
25th Jun 20263012 AMAQI
25th Jun 2026311 AMAQI
25th Jun 2026292 AMAQI
25th Jun 2026253 AMAQI
25th Jun 2026184 AMAQI

21°C15/29°C

25th Jun 2026125 AMAQI
25th Jun 2026126 AMAQI
25th Jun 2026127 AMAQI
25th Jun 2026118 AMAQI
25th Jun 2026139 AMAQI
25th Jun 20261410 AMAQI
25th Jun 20261511 AMAQI
25th Jun 20261812 PMAQI
25th Jun 2026181 PMAQI
25th Jun 2026162 PMAQI
25th Jun 2026183 PMAQI
25th Jun 2026184 PMAQI
25th Jun 2026175 PMAQI
25th Jun 2026166 PMAQI
25th Jun 2026147 PMAQI
25th Jun 2026168 PMAQI
25th Jun 2026209 PMAQI
25th Jun 20262510 PMAQI
25th Jun 20262011 PMAQI
26th Jun 20261612 AMAQI
26th Jun 2026161 AMAQI
26th Jun 2026122 AMAQI
26th Jun 2026103 AMAQI
26th Jun 2026104 AMAQI

19°C15/24°C

26th Jun 2026105 AMAQI
26th Jun 2026106 AMAQI
26th Jun 2026107 AMAQI
26th Jun 2026128 AMAQI
26th Jun 2026129 AMAQI
26th Jun 20261310 AMAQI
26th Jun 20261411 AMAQI
26th Jun 20261812 PMAQI
26th Jun 2026181 PMAQI
26th Jun 2026182 PMAQI
26th Jun 2026183 PMAQI
26th Jun 2026204 PMAQI
26th Jun 2026195 PMAQI
26th Jun 2026156 PMAQI
26th Jun 2026167 PMAQI
26th Jun 2026148 PMAQI
26th Jun 2026149 PMAQI
26th Jun 20261210 PMAQI
26th Jun 20261211 PMAQI
27th Jun 20261312 AMAQI
27th Jun 2026151 AMAQI
27th Jun 2026122 AMAQI
27th Jun 2026143 AMAQI
27th Jun 2026124 AMAQI

22°C13/31°C

27th Jun 2026105 AMAQI
27th Jun 2026236 AMAQI
27th Jun 2026197 AMAQI
27th Jun 2026238 AMAQI
27th Jun 2026179 AMAQI
27th Jun 20261510 AMAQI
27th Jun 20261711 AMAQI
27th Jun 20261412 PMAQI
27th Jun 2026121 PMAQI
27th Jun 2026122 PMAQI
27th Jun 2026143 PMAQI
27th Jun 2026184 PMAQI
27th Jun 2026155 PMAQI
27th Jun 2026146 PMAQI
27th Jun 2026147 PMAQI
27th Jun 2026188 PMAQI
27th Jun 2026169 PMAQI
27th Jun 20261610 PMAQI
27th Jun 20262211 PMAQI
28th Jun 20263112 AMAQI
28th Jun 2026471 AMAQI
28th Jun 2026642 AMAQI
28th Jun 2026743 AMAQI
28th Jun 2026644 AMAQI

25°C16/34°C

28th Jun 2026585 AMAQI
28th Jun 2026566 AMAQI
28th Jun 2026527 AMAQI
28th Jun 2026538 AMAQI
28th Jun 2026539 AMAQI
28th Jun 20264510 AMAQI
28th Jun 20264311 AMAQI
28th Jun 20263812 PMAQI
28th Jun 2026341 PMAQI
28th Jun 2026332 PMAQI
28th Jun 2026303 PMAQI
28th Jun 2026324 PMAQI
28th Jun 2026325 PMAQI
28th Jun 2026316 PMAQI
28th Jun 2026317 PMAQI
28th Jun 2026298 PMAQI
28th Jun 2026329 PMAQI
28th Jun 20263210 PMAQI
28th Jun 20263211 PMAQI
29th Jun 20263112 AMAQI
29th Jun 2026341 AMAQI
29th Jun 2026312 AMAQI
29th Jun 2026343 AMAQI
29th Jun 2026324 AMAQI

23°C15/31°C

29th Jun 2026345 AMAQI
29th Jun 2026296 AMAQI
29th Jun 2026287 AMAQI
29th Jun 2026288 AMAQI
29th Jun 2026269 AMAQI
29th Jun 20262410 AMAQI
29th Jun 20262411 AMAQI
29th Jun 20262612 PMAQI
29th Jun 2026241 PMAQI
29th Jun 2026292 PMAQI
29th Jun 2026273 PMAQI
29th Jun 2026264 PMAQI
29th Jun 2026305 PMAQI
29th Jun 2026266 PMAQI
29th Jun 2026287 PMAQI
29th Jun 2026268 PMAQI
29th Jun 2026269 PMAQI
29th Jun 20262710 PMAQI
29th Jun 20263011 PMAQI
30th Jun 20263412 AMAQI
30th Jun 2026321 AMAQI
30th Jun 2026302 AMAQI
30th Jun 2026303 AMAQI
30th Jun 2026284 AMAQI

23°C16/31°C

30th Jun 2026295 AMAQI
30th Jun 2026266 AMAQI
30th Jun 2026297 AMAQI
30th Jun 2026308 AMAQI
30th Jun 2026409 AMAQI
30th Jun 20263910 AMAQI
30th Jun 20263611 AMAQI
30th Jun 20264012 PMAQI
30th Jun 2026341 PMAQI
30th Jun 2026322 PMAQI
30th Jun 2026323 PMAQI
30th Jun 2026354 PMAQI
30th Jun 2026425 PMAQI
30th Jun 2026426 PMAQI
30th Jun 2026347 PMAQI
30th Jun 2026348 PMAQI
30th Jun 2026369 PMAQI
30th Jun 20263410 PMAQI
30th Jun 20263111 PMAQI
1st Jul 20263212 AMAQI
1st Jul 2026291 AMAQI
1st Jul 2026272 AMAQI
1st Jul 2026273 AMAQI
1st Jul 2026264 AMAQI

22°C15/32°C

1st Jul 2026245 AMAQI
1st Jul 2026306 AMAQI
1st Jul 2026307 AMAQI
1st Jul 2026388 AMAQI
1st Jul 2026449 AMAQI
1st Jul 20264710 AMAQI
1st Jul 20264611 AMAQI
1st Jul 20264712 PMAQI
1st Jul 2026491 PMAQI
1st Jul 2026462 PMAQI
1st Jul 2026463 PMAQI
1st Jul 2026504 PMAQI
1st Jul 2026525 PMAQI
1st Jul 2026446 PMAQI
1st Jul 2026487 PMAQI
1st Jul 2026448 PMAQI
1st Jul 2026439 PMAQI
1st Jul 20264010 PMAQI
1st Jul 20264411 PMAQI
2nd Jul 20264412 AMAQI
2nd Jul 2026421 AMAQI
2nd Jul 2026382 AMAQI
2nd Jul 2026403 AMAQI
2nd Jul 2026404 AMAQI

23°C13/32°C

2nd Jul 2026395 AMAQI
2nd Jul 2026346 AMAQI
2nd Jul 2026347 AMAQI
2nd Jul 2026318 AMAQI
2nd Jul 2026349 AMAQI
2nd Jul 20263010 AMAQI
2nd Jul 20263211 AMAQI
2nd Jul 20263112 PMAQI
2nd Jul 2026321 PMAQI
2nd Jul 2026312 PMAQI
2nd Jul 2026383 PMAQI
2nd Jul 2026384 PMAQI
2nd Jul 2026405 PMAQI
2nd Jul 2026416 PMAQI
2nd Jul 2026417 PMAQI
2nd Jul 2026378 PMAQI
2nd Jul 2026399 PMAQI
2nd Jul 20263610 PMAQI
2nd Jul 20263811 PMAQI
3rd Jul 20263712 AMAQI
3rd Jul 2026331 AMAQI
3rd Jul 2026342 AMAQI
3rd Jul 2026353 AMAQI
3rd Jul 2026364 AMAQI

22°C13/32°C

3rd Jul 2026365 AMAQI
3rd Jul 2026386 AMAQI
3rd Jul 2026407 AMAQI
3rd Jul 2026408 AMAQI
3rd Jul 2026469 AMAQI
3rd Jul 20263710 AMAQI
3rd Jul 20263311 AMAQI
3rd Jul 20263012 PMAQI
3rd Jul 2026301 PMAQI
3rd Jul 2026322 PMAQI
3rd Jul 2026323 PMAQI
3rd Jul 2026324 PMAQI
3rd Jul 2026345 PMAQI
3rd Jul 2026326 PMAQI
3rd Jul 2026347 PMAQI
3rd Jul 2026428 PMAQI
3rd Jul 2026429 PMAQI
3rd Jul 20263810 PMAQI
3rd Jul 20263311 PMAQI
4th Jul 20263012 AMAQI
4th Jul 2026331 AMAQI
4th Jul 2026302 AMAQI
4th Jul 2026303 AMAQI
4th Jul 2026314 AMAQI

24°C16/33°C

4th Jul 2026265 AMAQI
4th Jul 2026246 AMAQI
4th Jul 2026267 AMAQI
4th Jul 2026278 AMAQI
4th Jul 2026269 AMAQI
4th Jul 20262710 AMAQI
4th Jul 20262411 AMAQI
4th Jul 20262812 PMAQI
4th Jul 2026261 PMAQI
4th Jul 2026282 PMAQI
4th Jul 2026293 PMAQI
4th Jul 2026254 PMAQI
4th Jul 2026245 PMAQI
4th Jul 2026266 PMAQI
4th Jul 2026347 PMAQI
4th Jul 2026298 PMAQI
4th Jul 2026289 PMAQI
4th Jul 20262610 PMAQI
4th Jul 20264511 PMAQI
5th Jul 20264312 AMAQI
5th Jul 2026501 AMAQI
5th Jul 2026542 AMAQI
5th Jul 2026473 AMAQI
5th Jul 2026404 AMAQI

23°C16/32°C

5th Jul 2026325 AMAQI
5th Jul 2026266 AMAQI
5th Jul 2026247 AMAQI
5th Jul 2026268 AMAQI
5th Jul 2026269 AMAQI
5th Jul 20263010 AMAQI
5th Jul 20263111 AMAQI
5th Jul 20263412 PMAQI
5th Jul 2026361 PMAQI
5th Jul 2026342 PMAQI
5th Jul 2026273 PMAQI
5th Jul 2026264 PMAQI
5th Jul 2026245 PMAQI
5th Jul 2026216 PMAQI
5th Jul 2026227 PMAQI
5th Jul 2026228 PMAQI
5th Jul 2026249 PMAQI
5th Jul 20262410 PMAQI
5th Jul 20262711 PMAQI
6th Jul 20262612 AMAQI
6th Jul 2026261 AMAQI
6th Jul 2026262 AMAQI
6th Jul 2026283 AMAQI
6th Jul 2026284 AMAQI

25°C16/35°C

6th Jul 2026285 AMAQI
6th Jul 2026256 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026388 AMAQI
6th Jul 2026459 AMAQI
6th Jul 20265210 AMAQI
6th Jul 20265511 AMAQI
6th Jul 20265212 PMAQI
6th Jul 2026551 PMAQI
6th Jul 2026522 PMAQI
6th Jul 2026543 PMAQI
6th Jul 2026514 PMAQI
6th Jul 2026525 PMAQI
6th Jul 2026456 PMAQI
6th Jul 2026487 PMAQI
6th Jul 2026448 PMAQI
6th Jul 2026369 PMAQI
6th Jul 20263610 PMAQI
6th Jul 20263611 PMAQI
7th Jul 20263812 AMAQI
7th Jul 2026401 AMAQI
7th Jul 2026362 AMAQI
7th Jul 2026343 AMAQI
7th Jul 2026364 AMAQI

27°C18/36°C

7th Jul 2026345 AMAQI
7th Jul 2026346 AMAQI
7th Jul 2026347 AMAQI
7th Jul 2026408 AMAQI
7th Jul 2026439 AMAQI
7th Jul 20264810 AMAQI
7th Jul 20265011 AMAQI
7th Jul 20264612 PMAQI
7th Jul 2026501 PMAQI
7th Jul 2026522 PMAQI
7th Jul 2026543 PMAQI
7th Jul 2026584 PMAQI
7th Jul 2026575 PMAQI
7th Jul 2026506 PMAQI
7th Jul 2026427 PMAQI
7th Jul 2026348 PMAQI
7th Jul 2026339 PMAQI
7th Jul 20263210 PMAQI
7th Jul 20262411 PMAQI
8th Jul 20262012 AMAQI
8th Jul 2026221 AMAQI
8th Jul 2026262 AMAQI
8th Jul 2026223 AMAQI
8th Jul 2026224 AMAQI

25°C17/34°C

8th Jul 2026245 AMAQI
8th Jul 2026256 AMAQI
8th Jul 2026247 AMAQI
8th Jul 2026268 AMAQI
8th Jul 2026289 AMAQI
8th Jul 20263610 AMAQI
8th Jul 20264111 AMAQI
8th Jul 20263712 PMAQI
8th Jul 2026431 PMAQI
8th Jul 2026312 PMAQI
8th Jul 2026313 PMAQI
8th Jul 2026204 PMAQI
8th Jul 2026325 PMAQI
8th Jul 2026276 PMAQI
8th Jul 2026207 PMAQI
8th Jul 2026228 PMAQI
8th Jul 2026209 PMAQI
8th Jul 20261610 PMAQI
8th Jul 20261511 PMAQI
9th Jul 20261312 AMAQI
9th Jul 2026101 AMAQI
9th Jul 2026112 AMAQI
9th Jul 2026123 AMAQI
9th Jul 2026144 AMAQI

25°C17/34°C

9th Jul 2026115 AMAQI
9th Jul 2026136 AMAQI
9th Jul 2026167 AMAQI
9th Jul 2026138 AMAQI
9th Jul 2026149 AMAQI
9th Jul 20261610 AMAQI
9th Jul 20261811 AMAQI
9th Jul 20262012 PMAQI
9th Jul 2026241 PMAQI
9th Jul 2026202 PMAQI
9th Jul 2026203 PMAQI
9th Jul 2026204 PMAQI
9th Jul 2026225 PMAQI
9th Jul 2026166 PMAQI
9th Jul 2026147 PMAQI
9th Jul 2026108 PMAQI
9th Jul 2026149 PMAQI
9th Jul 20261410 PMAQI
9th Jul 20261211 PMAQI
10th Jul 20261412 AMAQI
10th Jul 2026121 AMAQI
10th Jul 2026142 AMAQI
10th Jul 2026133 AMAQI
10th Jul 2026154 AMAQI

24°C17/33°C

10th Jul 2026185 AMAQI
10th Jul 2026206 AMAQI
10th Jul 2026207 AMAQI
10th Jul 2026228 AMAQI
10th Jul 2026179 AMAQI
10th Jul 20261610 AMAQI
10th Jul 20261611 AMAQI
10th Jul 20261812 PMAQI
10th Jul 2026181 PMAQI
10th Jul 2026172 PMAQI
10th Jul 2026183 PMAQI
10th Jul 2026194 PMAQI
10th Jul 2026205 PMAQI
10th Jul 2026256 PMAQI
10th Jul 2026187 PMAQI
10th Jul 2026148 PMAQI
10th Jul 2026129 PMAQI
10th Jul 20261310 PMAQI
10th Jul 20261611 PMAQI
11th Jul 20261212 AMAQI
11th Jul 2026131 AMAQI
11th Jul 2026122 AMAQI
11th Jul 2026123 AMAQI
11th Jul 2026104 AMAQI

23°C15/33°C

11th Jul 2026125 AMAQI
11th Jul 2026126 AMAQI
11th Jul 2026157 AMAQI
11th Jul 2026148 AMAQI
11th Jul 2026129 AMAQI
11th Jul 20261410 AMAQI
11th Jul 20261411 AMAQI
11th Jul 20261412 PMAQI
11th Jul 2026161 PMAQI
11th Jul 2026162 PMAQI
11th Jul 2026163 PMAQI
11th Jul 2026184 PMAQI
11th Jul 2026165 PMAQI
11th Jul 2026146 PMAQI
11th Jul 2026147 PMAQI
11th Jul 2026148 PMAQI
11th Jul 2026149 PMAQI
11th Jul 20261410 PMAQI
11th Jul 20261411 PMAQI
12th Jul 20261612 AMAQI
12th Jul 2026141 AMAQI
12th Jul 2026142 AMAQI
12th Jul 2026143 AMAQI
12th Jul 2026134 AMAQI

26°C16/35°C

12th Jul 2026125 AMAQI
12th Jul 2026136 AMAQI
12th Jul 2026127 AMAQI
12th Jul 2026128 AMAQI
12th Jul 2026149 AMAQI
12th Jul 20261610 AMAQI
12th Jul 20261411 AMAQI
12th Jul 20261612 PMAQI
12th Jul 2026181 PMAQI
12th Jul 2026182 PMAQI
12th Jul 2026183 PMAQI
12th Jul 2026164 PMAQI
12th Jul 2026135 PMAQI
12th Jul 2026136 PMAQI
12th Jul 2026137 PMAQI
12th Jul 2026138 PMAQI
12th Jul 2026179 PMAQI
12th Jul 20261410 PMAQI
12th Jul 20261611 PMAQI
13th Jul 20261612 AMAQI
13th Jul 2026141 AMAQI
13th Jul 2026142 AMAQI
13th Jul 2026143 AMAQI
13th Jul 2026124 AMAQI

28°C18/36°C

13th Jul 2026125 AMAQI
13th Jul 2026126 AMAQI
13th Jul 2026147 AMAQI
13th Jul 2026178 AMAQI
13th Jul 2026209 AMAQI
13th Jul 20262410 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262912 PMAQI
13th Jul 2026261 PMAQI
13th Jul 2026272 PMAQI
13th Jul 2026283 PMAQI
13th Jul 2026284 PMAQI
13th Jul 2026285 PMAQI
13th Jul 2026286 PMAQI
13th Jul 2026237 PMAQI
13th Jul 2026238 PMAQI
13th Jul 2026249 PMAQI
13th Jul 20262410 PMAQI
13th Jul 20262011 PMAQI
14th Jul 20262012 AMAQI
14th Jul 2026221 AMAQI
14th Jul 2026212 AMAQI
14th Jul 2026193 AMAQI
14th Jul 2026184 AMAQI

28°C18/37°C

14th Jul 2026165 AMAQI
14th Jul 2026166 AMAQI
14th Jul 2026187 AMAQI
14th Jul 2026238 AMAQI
14th Jul 2026249 AMAQI
14th Jul 20262510 AMAQI
14th Jul 20262911 AMAQI
14th Jul 20263012 PMAQI
14th Jul 2026301 PMAQI
14th Jul 2026302 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026345 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026287 PMAQI
14th Jul 2026248 PMAQI
14th Jul 2026249 PMAQI
14th Jul 20262210 PMAQI
14th Jul 20261911 PMAQI
15th Jul 20262012 AMAQI
15th Jul 2026201 AMAQI
15th Jul 2026192 AMAQI
15th Jul 2026183 AMAQI
15th Jul 2026184 AMAQI

27°C17/35°C

15th Jul 2026165 AMAQI
15th Jul 2026156 AMAQI
15th Jul 2026167 AMAQI
15th Jul 2026208 AMAQI
15th Jul 2026209 AMAQI
15th Jul 20262410 AMAQI
15th Jul 20262411 AMAQI
15th Jul 20262612 PMAQI
15th Jul 2026281 PMAQI
15th Jul 2026312 PMAQI
15th Jul 2026313 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026306 PMAQI
15th Jul 2026287 PMAQI
15th Jul 2026258 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262411 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026281 AMAQI
16th Jul 2026232 AMAQI
16th Jul 2026203 AMAQI
16th Jul 2026174 AMAQI

26°C17/34°C

16th Jul 2026185 AMAQI
16th Jul 2026166 AMAQI
16th Jul 2026187 AMAQI
16th Jul 2026238 AMAQI
16th Jul 2026249 AMAQI
16th Jul 20262810 AMAQI
16th Jul 20263111 AMAQI
16th Jul 20263012 PMAQI
16th Jul 2026311 PMAQI
16th Jul 2026302 PMAQI
16th Jul 2026323 PMAQI
16th Jul 2026314 PMAQI
16th Jul 2026325 PMAQI
16th Jul 2026326 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026268 PMAQI
16th Jul 2026259 PMAQI
16th Jul 20262210 PMAQI
16th Jul 20261411 PMAQI
17th Jul 20261212 AMAQI
17th Jul 2026141 AMAQI
17th Jul 2026162 AMAQI
17th Jul 2026193 AMAQI
17th Jul 2026164 AMAQI

26°C17/34°C

17th Jul 2026175 AMAQI
5 AM
17th Jul 2026216 AMAQI
17th Jul 2026217 AMAQI
17th Jul 2026218 AMAQI
17th Jul 2026199 AMAQI
17th Jul 20262110 AMAQI
17th Jul 20262311 AMAQI
17th Jul 20262612 PMAQI
12 PM
17th Jul 2026231 PMAQI
17th Jul 2026252 PMAQI
17th Jul 2026233 PMAQI
17th Jul 2026254 PMAQI
17th Jul 2026255 PMAQI
17th Jul 2026216 PMAQI
17th Jul 2026147 PMAQI
17th Jul 2026258 PMAQI
8 PM
17th Jul 2026259 PMAQI
17th Jul 20262510 PMAQI
17th Jul 20262511 PMAQI
12 AM
4 AM

26°C19/33°C

Day time
Avg. Highest Time
4 PM - 5 PM

31AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 7 AM

23AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 PM to 5 PM (Avg. 31), while the lowest AQI was between 5 AM to 7 AM (Avg. 23).
Night time
Avg. Highest Time
1 AM

30AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
4 AM

25AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 1 AM (Avg. 30), while the lowest AQI was between 4 AM to 4 AM (Avg. 25).

2026 Days Vs Air Quality

Rocky Flats National Wildlife Refuge, Superior, Colorado, United States

2026

100%

194

Total number of days with different AQI categories in last 198 days in 2026 (167 days remaining)

Good
194 Days
Moderate
0 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 100%

Health Risk Level:

Very Low

In 2026, 100% of 198 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

Rocky Flats National Wildlife Refuge, Superior, 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
18AQI (US)
2nd January 2026
25AQI (US)
3rd January 2026
17AQI (US)
4th January 2026
15AQI (US)
5th January 2026
23AQI (US)
6th January 2026
14AQI (US)
7th January 2026
17AQI (US)
8th January 2026
17AQI (US)
9th January 2026
21AQI (US)
10th January 2026
15AQI (US)
11th January 2026
12AQI (US)
12th January 2026
17AQI (US)
13th January 2026
15AQI (US)
14th January 2026
13AQI (US)
15th January 2026
19AQI (US)
16th January 2026
21AQI (US)
17th January 2026
12AQI (US)
18th January 2026
12AQI (US)
19th January 2026
13AQI (US)
20th January 2026
18AQI (US)
21st January 2026
17AQI (US)
22nd January 2026
21AQI (US)
23rd January 2026
18AQI (US)
24th January 2026
26AQI (US)
25th January 2026
18AQI (US)
26th January 2026
26AQI (US)
27th January 2026
22AQI (US)
28th January 2026
26AQI (US)
29th January 2026
26AQI (US)
30th January 2026
24AQI (US)
31st January 2026
21AQI (US)
1st February 2026
18AQI (US)
2nd February 2026
21AQI (US)
3rd February 2026
18AQI (US)
4th February 2026
27AQI (US)
5th February 2026
19AQI (US)
6th February 2026
17AQI (US)
7th February 2026
20AQI (US)
8th February 2026
23AQI (US)
9th February 2026
22AQI (US)
10th February 2026
20AQI (US)
11th February 2026
25AQI (US)
12th February 2026
25AQI (US)
13th February 2026
20AQI (US)
14th February 2026
26AQI (US)
15th February 2026
18AQI (US)
16th February 2026
21AQI (US)
17th February 2026
28AQI (US)
18th February 2026
17AQI (US)
19th February 2026
22AQI (US)
20th February 2026
17AQI (US)
21st February 2026
15AQI (US)
22nd February 2026
15AQI (US)
23rd February 2026
23AQI (US)
24th February 2026
28AQI (US)
25th February 2026
23AQI (US)
26th February 2026
18AQI (US)
27th February 2026
21AQI (US)
28th February 2026
17AQI (US)
1st March 2026
18AQI (US)
2nd March 2026
24AQI (US)
3rd March 2026
17AQI (US)
4th March 2026
17AQI (US)
5th March 2026
22AQI (US)
6th March 2026
28AQI (US)
7th March 2026
26AQI (US)
8th March 2026
26AQI (US)
9th March 2026
22AQI (US)
10th March 2026
21AQI (US)
11th March 2026
16AQI (US)
12th March 2026
24AQI (US)
13th March 2026
19AQI (US)
14th March 2026
25AQI (US)
15th March 2026
19AQI (US)
16th March 2026
21AQI (US)
17th March 2026
18AQI (US)
18th March 2026
23AQI (US)
19th March 2026
20AQI (US)
20th March 2026
22AQI (US)
21st March 2026
17AQI (US)
22nd March 2026
26AQI (US)
23rd March 2026
24AQI (US)
24th March 2026
25AQI (US)
25th March 2026
22AQI (US)
26th March 2026
44AQI (US)
27th March 2026
25AQI (US)
28th March 2026
23AQI (US)
29th March 2026
21AQI (US)
30th March 2026
26AQI (US)
31st March 2026
31AQI (US)
1st April 2026
29AQI (US)
2nd April 2026
20AQI (US)
3rd April 2026
29AQI (US)
4th April 2026
16AQI (US)
5th April 2026
18AQI (US)
6th April 2026
21AQI (US)
7th April 2026
27AQI (US)
8th April 2026
26AQI (US)
9th April 2026
27AQI (US)
10th April 2026
33AQI (US)
11th April 2026
21AQI (US)
12th April 2026
15AQI (US)
13th April 2026
17AQI (US)
14th April 2026
19AQI (US)
15th April 2026
22AQI (US)
16th April 2026
20AQI (US)
17th April 2026
18th April 2026
20AQI (US)
19th April 2026
18AQI (US)
20th April 2026
25AQI (US)
21st April 2026
24AQI (US)
22nd April 2026
23rd April 2026
34AQI (US)
24th April 2026
22AQI (US)
25th April 2026
20AQI (US)
26th April 2026
18AQI (US)
27th April 2026
16AQI (US)
28th April 2026
19AQI (US)
29th April 2026
15AQI (US)
30th April 2026
17AQI (US)
1st May 2026
16AQI (US)
2nd May 2026
13AQI (US)
3rd May 2026
13AQI (US)
4th May 2026
18AQI (US)
5th May 2026
24AQI (US)
6th May 2026
22AQI (US)
7th May 2026
13AQI (US)
8th May 2026
16AQI (US)
9th May 2026
10th May 2026
24AQI (US)
11th May 2026
16AQI (US)
12th May 2026
26AQI (US)
13th May 2026
38AQI (US)
14th May 2026
31AQI (US)
15th May 2026
26AQI (US)
16th May 2026
21AQI (US)
17th May 2026
16AQI (US)
18th May 2026
31AQI (US)
19th May 2026
26AQI (US)
20th May 2026
16AQI (US)
21st May 2026
19AQI (US)
22nd May 2026
18AQI (US)
23rd May 2026
22AQI (US)
24th May 2026
15AQI (US)
25th May 2026
17AQI (US)
26th May 2026
18AQI (US)
27th May 2026
16AQI (US)
28th May 2026
20AQI (US)
29th May 2026
18AQI (US)
30th May 2026
14AQI (US)
31st May 2026
15AQI (US)
1st June 2026
17AQI (US)
2nd June 2026
17AQI (US)
3rd June 2026
20AQI (US)
4th June 2026
20AQI (US)
5th June 2026
27AQI (US)
6th June 2026
23AQI (US)
7th June 2026
22AQI (US)
8th June 2026
28AQI (US)
9th June 2026
23AQI (US)
10th June 2026
31AQI (US)
11th June 2026
28AQI (US)
12th June 2026
25AQI (US)
13th June 2026
25AQI (US)
14th June 2026
20AQI (US)
15th June 2026
22AQI (US)
16th June 2026
24AQI (US)
17th June 2026
31AQI (US)
18th June 2026
30AQI (US)
19th June 2026
37AQI (US)
20th June 2026
40AQI (US)
21st June 2026
26AQI (US)
22nd June 2026
24AQI (US)
23rd June 2026
38AQI (US)
24th June 2026
25AQI (US)
25th June 2026
18AQI (US)
26th June 2026
14AQI (US)
27th June 2026
16AQI (US)
28th June 2026
43AQI (US)
29th June 2026
28AQI (US)
30th June 2026
34AQI (US)
1st July 2026
40AQI (US)
2nd July 2026
37AQI (US)
3rd July 2026
36AQI (US)
4th July 2026
28AQI (US)
5th July 2026
31AQI (US)
6th July 2026
40AQI (US)
7th July 2026
42AQI (US)
8th July 2026
26AQI (US)
9th July 2026
15AQI (US)
10th July 2026
17AQI (US)
11th July 2026
14AQI (US)
12th July 2026
15AQI (US)
13th July 2026
21AQI (US)
14th July 2026
24AQI (US)
15th July 2026
24AQI (US)
16th July 2026
25AQI (US)
17th July 2026
18th July 2026
19th July 2026
20th July 2026
21st July 2026
22nd July 2026
23rd July 2026
24th July 2026
25th July 2026
26th July 2026
27th July 2026
28th July 2026
29th July 2026
30th July 2026
31st July 2026
1st August 2026
2nd August 2026
3rd August 2026
4th August 2026
5th August 2026
6th August 2026
7th August 2026
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

19AQI (US)

21AQI (US)

23AQI (US)

22AQI (US)

20AQI (US)

26AQI (US)

27AQI (US)

No. of days

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

202622AQI (US)

31
28
31
28
30
30
16
194

Highest AQI (US) recorded in

July

27AQI (US)

Lowest AQI (US) recorded in

January

19AQI (US)

202528AQI (US)

6
30
31
30
30
1
29
2
27
3
30
1
30
31
274
7

Highest AQI (US) recorded in

August

35AQI (US)

Lowest AQI (US) recorded in

May

23AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
28AQI (US)
Least Polluted Year Recorded
2026(Avg.)
22AQI (US)

Rocky Flats National Wildlife Refuge's annual 2026 AQI (US) (22) shows an average percentage change of -21.4% (improved AQI (US)) compared to previous years: 2025 (28).