Thornton, 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
Thornton, Colorado, United States
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
6th Aug 2025
77AQILowest AQI recorded on
19th Aug 2025
25AQISame Day Analysis (7th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Day & Night AQI Trend: 6th Aug - 7th Aug 2026
Thornton, Colorado, United States
AQI
Day
Night
.
5 AM6th Aug 2026
8 PM
4 AM7th Aug 2026
Day time
Avg. Highest Time
9AM6th Aug
94AQI
Avg. Lowest Time
8PM6th Aug
53AQI
Night time
Avg. Highest Time
1AM7th Aug
58AQI
Avg. Lowest Time
5AM6th Aug
50AQI
In the last 24 hours,
Thornton's AQI reached its highest point of 94 at 9 AM during the Day, while the lowest point, 50, was recorded at 5 AM during the Night between 6th Aug and 7th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Thornton, 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
Day
Night
9th Jul 2026155 AMAQI
9th Jul 2026156 AMAQI
9th Jul 2026187 AMAQI
9th Jul 2026298 AMAQI
9th Jul 2026329 AMAQI
9th Jul 20263610 AMAQI
9th Jul 20263711 AMAQI
9th Jul 20263812 PMAQI
9th Jul 2026341 PMAQI
9th Jul 2026262 PMAQI
9th Jul 2026203 PMAQI
9th Jul 2026264 PMAQI
9th Jul 2026345 PMAQI
9th Jul 2026286 PMAQI
9th Jul 2026217 PMAQI
9th Jul 2026208 PMAQI
9th Jul 2026169 PMAQI
9th Jul 20261610 PMAQI
9th Jul 20261611 PMAQI
10th Jul 20261512 AMAQI
10th Jul 2026141 AMAQI
10th Jul 2026172 AMAQI
10th Jul 2026163 AMAQI
10th Jul 2026184 AMAQI
25°C20/33°C
10th Jul 2026245 AMAQI
10th Jul 2026266 AMAQI
10th Jul 2026247 AMAQI
10th Jul 2026368 AMAQI
10th Jul 2026599 AMAQI
10th Jul 20265310 AMAQI
10th Jul 20264611 AMAQI
10th Jul 20264212 PMAQI
10th Jul 2026381 PMAQI
10th Jul 2026312 PMAQI
10th Jul 2026313 PMAQI
10th Jul 2026294 PMAQI
10th Jul 2026285 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026298 PMAQI
10th Jul 2026239 PMAQI
10th Jul 20262010 PMAQI
10th Jul 20261511 PMAQI
11th Jul 20261512 AMAQI
11th Jul 2026141 AMAQI
11th Jul 2026162 AMAQI
11th Jul 2026163 AMAQI
11th Jul 2026134 AMAQI
25°C18/34°C
11th Jul 2026125 AMAQI
11th Jul 2026156 AMAQI
11th Jul 2026207 AMAQI
11th Jul 2026218 AMAQI
11th Jul 2026349 AMAQI
11th Jul 20263710 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20262512 PMAQI
11th Jul 2026201 PMAQI
11th Jul 2026222 PMAQI
11th Jul 2026243 PMAQI
11th Jul 2026214 PMAQI
11th Jul 2026185 PMAQI
11th Jul 2026176 PMAQI
11th Jul 2026157 PMAQI
11th Jul 2026138 PMAQI
11th Jul 2026129 PMAQI
11th Jul 20261410 PMAQI
11th Jul 20261811 PMAQI
12th Jul 20262012 AMAQI
12th Jul 2026191 AMAQI
12th Jul 2026162 AMAQI
12th Jul 2026163 AMAQI
12th Jul 2026144 AMAQI
28°C19/36°C
12th Jul 2026145 AMAQI
12th Jul 2026166 AMAQI
12th Jul 2026197 AMAQI
12th Jul 2026188 AMAQI
12th Jul 2026249 AMAQI
12th Jul 20262510 AMAQI
12th Jul 20262411 AMAQI
12th Jul 20262212 PMAQI
12th Jul 2026241 PMAQI
12th Jul 2026242 PMAQI
12th Jul 2026223 PMAQI
12th Jul 2026184 PMAQI
12th Jul 2026165 PMAQI
12th Jul 2026146 PMAQI
12th Jul 2026157 PMAQI
12th Jul 2026168 PMAQI
12th Jul 2026189 PMAQI
12th Jul 20261810 PMAQI
12th Jul 20261811 PMAQI
13th Jul 20261612 AMAQI
13th Jul 2026181 AMAQI
13th Jul 2026182 AMAQI
13th Jul 2026173 AMAQI
13th Jul 2026164 AMAQI
29°C21/37°C
13th Jul 2026195 AMAQI
13th Jul 2026166 AMAQI
13th Jul 2026187 AMAQI
13th Jul 2026208 AMAQI
13th Jul 2026349 AMAQI
13th Jul 20265210 AMAQI
13th Jul 20265111 AMAQI
13th Jul 20265112 PMAQI
13th Jul 2026501 PMAQI
13th Jul 2026492 PMAQI
13th Jul 2026383 PMAQI
13th Jul 2026384 PMAQI
13th Jul 2026305 PMAQI
13th Jul 2026296 PMAQI
13th Jul 2026277 PMAQI
13th Jul 2026268 PMAQI
13th Jul 2026259 PMAQI
13th Jul 20262410 PMAQI
13th Jul 20262411 PMAQI
14th Jul 20264012 AMAQI
14th Jul 2026401 AMAQI
14th Jul 2026372 AMAQI
14th Jul 2026293 AMAQI
14th Jul 2026234 AMAQI
29°C20/38°C
14th Jul 2026195 AMAQI
14th Jul 2026216 AMAQI
14th Jul 2026507 AMAQI
14th Jul 2026618 AMAQI
14th Jul 2026529 AMAQI
14th Jul 20264210 AMAQI
14th Jul 20264111 AMAQI
14th Jul 20264812 PMAQI
14th Jul 2026461 PMAQI
14th Jul 2026402 PMAQI
14th Jul 2026343 PMAQI
14th Jul 2026344 PMAQI
14th Jul 2026305 PMAQI
14th Jul 2026286 PMAQI
14th Jul 2026297 PMAQI
14th Jul 2026288 PMAQI
14th Jul 2026269 PMAQI
14th Jul 20262510 PMAQI
14th Jul 20262311 PMAQI
15th Jul 20262612 AMAQI
15th Jul 2026261 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026233 AMAQI
15th Jul 2026264 AMAQI
28°C20/36°C
15th Jul 2026185 AMAQI
15th Jul 2026226 AMAQI
15th Jul 2026257 AMAQI
15th Jul 2026288 AMAQI
15th Jul 2026309 AMAQI
15th Jul 20263010 AMAQI
15th Jul 20263011 AMAQI
15th Jul 20262912 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026352 PMAQI
15th Jul 2026423 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026325 PMAQI
15th Jul 2026316 PMAQI
15th Jul 2026267 PMAQI
15th Jul 2026248 PMAQI
15th Jul 2026249 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20263011 PMAQI
16th Jul 20263112 AMAQI
16th Jul 2026361 AMAQI
16th Jul 2026262 AMAQI
16th Jul 2026243 AMAQI
16th Jul 2026194 AMAQI
28°C20/35°C
16th Jul 2026175 AMAQI
16th Jul 2026186 AMAQI
16th Jul 2026247 AMAQI
16th Jul 2026368 AMAQI
16th Jul 2026349 AMAQI
16th Jul 20263510 AMAQI
16th Jul 20263711 AMAQI
16th Jul 20263812 PMAQI
16th Jul 2026371 PMAQI
16th Jul 2026372 PMAQI
16th Jul 2026363 PMAQI
16th Jul 2026344 PMAQI
16th Jul 2026365 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026257 PMAQI
16th Jul 2026218 PMAQI
16th Jul 2026209 PMAQI
16th Jul 20262110 PMAQI
16th Jul 20261411 PMAQI
17th Jul 20261212 AMAQI
17th Jul 2026161 AMAQI
17th Jul 2026172 AMAQI
17th Jul 2026253 AMAQI
17th Jul 2026184 AMAQI
27°C20/35°C
17th Jul 2026295 AMAQI
17th Jul 2026296 AMAQI
17th Jul 2026337 AMAQI
17th Jul 2026298 AMAQI
17th Jul 2026259 AMAQI
17th Jul 20263110 AMAQI
17th Jul 20263011 AMAQI
17th Jul 20262812 PMAQI
17th Jul 2026321 PMAQI
17th Jul 2026382 PMAQI
17th Jul 2026363 PMAQI
17th Jul 2026384 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026306 PMAQI
17th Jul 2026237 PMAQI
17th Jul 2026388 PMAQI
17th Jul 2026389 PMAQI
17th Jul 20263810 PMAQI
17th Jul 20263811 PMAQI
18th Jul 20263812 AMAQI
18th Jul 2026331 AMAQI
18th Jul 2026332 AMAQI
18th Jul 2026333 AMAQI
18th Jul 2026334 AMAQI
28°C22/35°C
18th Jul 2026335 AMAQI
18th Jul 2026336 AMAQI
18th Jul 2026297 AMAQI
18th Jul 2026338 AMAQI
18th Jul 2026339 AMAQI
18th Jul 20263310 AMAQI
18th Jul 20263811 AMAQI
18th Jul 20263812 PMAQI
18th Jul 2026331 PMAQI
18th Jul 2026462 PMAQI
18th Jul 2026463 PMAQI
18th Jul 2026464 PMAQI
18th Jul 2026465 PMAQI
18th Jul 2026446 PMAQI
18th Jul 2026427 PMAQI
18th Jul 2026388 PMAQI
18th Jul 2026389 PMAQI
18th Jul 20264010 PMAQI
18th Jul 20262811 PMAQI
19th Jul 20263312 AMAQI
19th Jul 2026361 AMAQI
19th Jul 2026332 AMAQI
19th Jul 2026313 AMAQI
19th Jul 2026384 AMAQI
28°C20/36°C
19th Jul 2026365 AMAQI
19th Jul 2026366 AMAQI
19th Jul 2026287 AMAQI
19th Jul 2026348 AMAQI
19th Jul 2026269 AMAQI
19th Jul 20263410 AMAQI
19th Jul 20263811 AMAQI
19th Jul 20263412 PMAQI
19th Jul 2026291 PMAQI
19th Jul 2026312 PMAQI
19th Jul 2026293 PMAQI
19th Jul 2026254 PMAQI
19th Jul 2026325 PMAQI
19th Jul 2026256 PMAQI
19th Jul 2026217 PMAQI
19th Jul 2026338 PMAQI
19th Jul 2026319 PMAQI
19th Jul 20262910 PMAQI
19th Jul 20262911 PMAQI
20th Jul 20262912 AMAQI
20th Jul 2026291 AMAQI
20th Jul 2026292 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026334 AMAQI
29°C21/38°C
20th Jul 2026295 AMAQI
20th Jul 2026296 AMAQI
20th Jul 2026317 AMAQI
20th Jul 2026428 AMAQI
20th Jul 2026529 AMAQI
20th Jul 20263810 AMAQI
20th Jul 20264211 AMAQI
20th Jul 20264212 PMAQI
20th Jul 2026501 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026463 PMAQI
20th Jul 2026464 PMAQI
20th Jul 2026385 PMAQI
20th Jul 2026386 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026508 PMAQI
20th Jul 20264510 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026422 AMAQI
21st Jul 2026453 AMAQI
21st Jul 2026384 AMAQI
31°C24/39°C
21st Jul 2026205 AMAQI
21st Jul 2026346 AMAQI
21st Jul 2026407 AMAQI
21st Jul 2026468 AMAQI
21st Jul 2026519 AMAQI
21st Jul 20265110 AMAQI
21st Jul 20265111 AMAQI
21st Jul 20265112 PMAQI
21st Jul 2026491 PMAQI
21st Jul 2026462 PMAQI
21st Jul 2026463 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026385 PMAQI
21st Jul 2026366 PMAQI
21st Jul 2026307 PMAQI
21st Jul 2026368 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262410 PMAQI
21st Jul 20262911 PMAQI
22nd Jul 20263812 AMAQI
22nd Jul 2026381 AMAQI
22nd Jul 2026302 AMAQI
22nd Jul 2026383 AMAQI
22nd Jul 2026294 AMAQI
29°C21/37°C
22nd Jul 2026315 AMAQI
22nd Jul 2026336 AMAQI
22nd Jul 2026337 AMAQI
22nd Jul 2026368 AMAQI
22nd Jul 2026389 AMAQI
22nd Jul 20263810 AMAQI
22nd Jul 20263411 AMAQI
22nd Jul 20263512 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026282 PMAQI
22nd Jul 2026283 PMAQI
22nd Jul 2026304 PMAQI
22nd Jul 2026325 PMAQI
22nd Jul 2026376 PMAQI
22nd Jul 2026347 PMAQI
22nd Jul 2026298 PMAQI
22nd Jul 2026299 PMAQI
22nd Jul 20263610 PMAQI
22nd Jul 20264211 PMAQI
23rd Jul 20264212 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026272 AMAQI
23rd Jul 2026293 AMAQI
23rd Jul 2026324 AMAQI
25°C21/35°C
23rd Jul 2026385 AMAQI
23rd Jul 2026386 AMAQI
23rd Jul 2026217 AMAQI
23rd Jul 2026288 AMAQI
23rd Jul 2026219 AMAQI
23rd Jul 20262110 AMAQI
23rd Jul 20261911 AMAQI
23rd Jul 20262012 PMAQI
23rd Jul 2026221 PMAQI
23rd Jul 2026212 PMAQI
23rd Jul 2026243 PMAQI
23rd Jul 2026224 PMAQI
23rd Jul 2026215 PMAQI
23rd Jul 2026226 PMAQI
23rd Jul 2026247 PMAQI
23rd Jul 2026288 PMAQI
23rd Jul 2026389 PMAQI
23rd Jul 20263610 PMAQI
23rd Jul 20264211 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026301 AMAQI
24th Jul 2026382 AMAQI
24th Jul 2026383 AMAQI
24th Jul 2026384 AMAQI
26°C21/32°C
24th Jul 2026385 AMAQI
24th Jul 2026406 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026338 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20264210 AMAQI
24th Jul 20264511 AMAQI
24th Jul 20264412 PMAQI
24th Jul 2026381 PMAQI
24th Jul 2026332 PMAQI
24th Jul 2026383 PMAQI
24th Jul 2026364 PMAQI
24th Jul 2026385 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026337 PMAQI
24th Jul 2026428 PMAQI
24th Jul 2026339 PMAQI
24th Jul 20263610 PMAQI
24th Jul 20263811 PMAQI
25th Jul 20263812 AMAQI
25th Jul 2026381 AMAQI
25th Jul 2026382 AMAQI
25th Jul 2026383 AMAQI
25th Jul 2026294 AMAQI
29°C22/37°C
25th Jul 2026325 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026338 AMAQI
25th Jul 2026339 AMAQI
25th Jul 20263310 AMAQI
25th Jul 20263311 AMAQI
25th Jul 20264512 PMAQI
25th Jul 2026341 PMAQI
25th Jul 2026292 PMAQI
25th Jul 2026253 PMAQI
25th Jul 2026294 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026296 PMAQI
25th Jul 2026247 PMAQI
25th Jul 2026298 PMAQI
25th Jul 2026299 PMAQI
25th Jul 20262910 PMAQI
25th Jul 20262911 PMAQI
26th Jul 20262912 AMAQI
26th Jul 2026151 AMAQI
26th Jul 2026182 AMAQI
26th Jul 2026293 AMAQI
26th Jul 2026294 AMAQI
29°C23/39°C
26th Jul 2026255 AMAQI
26th Jul 2026336 AMAQI
26th Jul 2026337 AMAQI
26th Jul 2026338 AMAQI
26th Jul 2026299 AMAQI
26th Jul 20263310 AMAQI
26th Jul 20263611 AMAQI
26th Jul 20263412 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026252 PMAQI
26th Jul 2026233 PMAQI
26th Jul 2026144 PMAQI
26th Jul 2026335 PMAQI
26th Jul 2026216 PMAQI
26th Jul 2026317 PMAQI
26th Jul 2026338 PMAQI
26th Jul 2026339 PMAQI
26th Jul 20263410 PMAQI
26th Jul 20263411 PMAQI
27th Jul 20263312 AMAQI
27th Jul 2026331 AMAQI
27th Jul 2026312 AMAQI
27th Jul 2026123 AMAQI
27th Jul 2026164 AMAQI
31°C26/39°C
27th Jul 2026145 AMAQI
27th Jul 2026196 AMAQI
27th Jul 2026247 AMAQI
27th Jul 2026328 AMAQI
27th Jul 2026299 AMAQI
27th Jul 20262910 AMAQI
27th Jul 20262911 AMAQI
27th Jul 20263412 PMAQI
27th Jul 2026291 PMAQI
27th Jul 2026372 PMAQI
27th Jul 2026373 PMAQI
27th Jul 2026364 PMAQI
27th Jul 2026365 PMAQI
27th Jul 2026436 PMAQI
27th Jul 2026227 PMAQI
27th Jul 2026328 PMAQI
27th Jul 2026299 PMAQI
27th Jul 20262910 PMAQI
27th Jul 20262911 PMAQI
28th Jul 20263812 AMAQI
28th Jul 2026461 AMAQI
28th Jul 2026482 AMAQI
28th Jul 2026503 AMAQI
28th Jul 2026444 AMAQI
27°C23/34°C
28th Jul 2026385 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026347 AMAQI
28th Jul 2026468 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20265010 AMAQI
28th Jul 20263611 AMAQI
28th Jul 20263812 PMAQI
28th Jul 2026481 PMAQI
28th Jul 2026462 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026344 PMAQI
28th Jul 2026345 PMAQI
28th Jul 2026506 PMAQI
28th Jul 2026457 PMAQI
28th Jul 2026348 PMAQI
28th Jul 2026299 PMAQI
28th Jul 20262910 PMAQI
28th Jul 20262911 PMAQI
29th Jul 20263112 AMAQI
29th Jul 2026361 AMAQI
29th Jul 2026362 AMAQI
29th Jul 2026423 AMAQI
29th Jul 2026404 AMAQI
25°C22/35°C
29th Jul 2026595 AMAQI
29th Jul 2026606 AMAQI
29th Jul 2026567 AMAQI
29th Jul 2026588 AMAQI
29th Jul 2026579 AMAQI
29th Jul 20265210 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20263012 PMAQI
29th Jul 2026281 PMAQI
29th Jul 2026242 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026345 PMAQI
29th Jul 2026656 PMAQI
29th Jul 2026497 PMAQI
29th Jul 2026298 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20264810 PMAQI
29th Jul 20264611 PMAQI
30th Jul 20264212 AMAQI
30th Jul 2026331 AMAQI
30th Jul 2026442 AMAQI
30th Jul 2026443 AMAQI
30th Jul 2026304 AMAQI
24°C21/34°C
30th Jul 2026295 AMAQI
30th Jul 2026226 AMAQI
30th Jul 2026297 AMAQI
30th Jul 2026298 AMAQI
30th Jul 2026359 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20266211 AMAQI
30th Jul 20266412 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026522 PMAQI
30th Jul 2026383 PMAQI
30th Jul 2026314 PMAQI
30th Jul 2026295 PMAQI
30th Jul 2026296 PMAQI
30th Jul 2026317 PMAQI
30th Jul 2026318 PMAQI
30th Jul 2026339 PMAQI
30th Jul 20263110 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20263112 AMAQI
31st Jul 2026291 AMAQI
31st Jul 2026292 AMAQI
31st Jul 2026273 AMAQI
31st Jul 2026294 AMAQI
27°C20/35°C
31st Jul 2026295 AMAQI
31st Jul 2026296 AMAQI
31st Jul 2026317 AMAQI
31st Jul 2026448 AMAQI
31st Jul 2026429 AMAQI
31st Jul 20263610 AMAQI
31st Jul 20263611 AMAQI
31st Jul 20263812 PMAQI
31st Jul 2026331 PMAQI
31st Jul 2026382 PMAQI
31st Jul 2026343 PMAQI
31st Jul 2026344 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026316 PMAQI
31st Jul 2026367 PMAQI
31st Jul 2026368 PMAQI
31st Jul 2026349 PMAQI
31st Jul 20263610 PMAQI
31st Jul 20263311 PMAQI
1st Aug 20263812 AMAQI
1st Aug 2026381 AMAQI
1st Aug 2026402 AMAQI
1st Aug 2026383 AMAQI
1st Aug 2026384 AMAQI
25°C20/34°C
1st Aug 2026385 AMAQI
1st Aug 2026406 AMAQI
1st Aug 2026387 AMAQI
1st Aug 2026388 AMAQI
1st Aug 2026369 AMAQI
1st Aug 20264410 AMAQI
1st Aug 20264211 AMAQI
1st Aug 20263812 PMAQI
1st Aug 2026381 PMAQI
1st Aug 2026442 PMAQI
1st Aug 2026423 PMAQI
1st Aug 2026364 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026276 PMAQI
1st Aug 2026237 PMAQI
1st Aug 2026218 PMAQI
1st Aug 2026199 PMAQI
1st Aug 20261710 PMAQI
1st Aug 20261911 PMAQI
2nd Aug 20262812 AMAQI
2nd Aug 2026201 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026293 AMAQI
2nd Aug 2026294 AMAQI
27°C20/35°C
2nd Aug 2026295 AMAQI
2nd Aug 2026296 AMAQI
2nd Aug 2026297 AMAQI
2nd Aug 2026298 AMAQI
2nd Aug 2026299 AMAQI
2nd Aug 20262910 AMAQI
2nd Aug 20263111 AMAQI
2nd Aug 20262912 PMAQI
2nd Aug 2026311 PMAQI
2nd Aug 2026292 PMAQI
2nd Aug 2026233 PMAQI
2nd Aug 2026224 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026517 PMAQI
2nd Aug 2026528 PMAQI
2nd Aug 2026469 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20262711 PMAQI
3rd Aug 20262212 AMAQI
3rd Aug 2026271 AMAQI
3rd Aug 2026312 AMAQI
3rd Aug 2026383 AMAQI
3rd Aug 2026444 AMAQI
31°C22/39°C
3rd Aug 2026445 AMAQI
3rd Aug 2026386 AMAQI
3rd Aug 2026387 AMAQI
3rd Aug 2026578 AMAQI
3rd Aug 20261009 AMAQI
3rd Aug 202610410 AMAQI
3rd Aug 20269411 AMAQI
3rd Aug 20267912 PMAQI
3rd Aug 2026651 PMAQI
3rd Aug 2026522 PMAQI
3rd Aug 2026413 PMAQI
3rd Aug 2026464 PMAQI
3rd Aug 2026525 PMAQI
3rd Aug 2026536 PMAQI
3rd Aug 2026607 PMAQI
3rd Aug 2026768 PMAQI
3rd Aug 2026779 PMAQI
3rd Aug 20267410 PMAQI
3rd Aug 20268811 PMAQI
4th Aug 20268012 AMAQI
4th Aug 2026751 AMAQI
4th Aug 2026672 AMAQI
4th Aug 2026653 AMAQI
4th Aug 2026654 AMAQI
30°C24/38°C
4th Aug 2026705 AMAQI
4th Aug 2026766 AMAQI
4th Aug 2026697 AMAQI
4th Aug 2026658 AMAQI
4th Aug 2026649 AMAQI
4th Aug 20266210 AMAQI
4th Aug 20265911 AMAQI
4th Aug 20266012 PMAQI
4th Aug 2026671 PMAQI
4th Aug 2026672 PMAQI
4th Aug 2026653 PMAQI
4th Aug 2026684 PMAQI
4th Aug 2026665 PMAQI
4th Aug 2026726 PMAQI
4th Aug 2026697 PMAQI
4th Aug 2026718 PMAQI
4th Aug 2026729 PMAQI
4th Aug 20267010 PMAQI
4th Aug 20266211 PMAQI
5th Aug 20265812 AMAQI
5th Aug 2026551 AMAQI
5th Aug 2026552 AMAQI
5th Aug 2026523 AMAQI
5th Aug 2026524 AMAQI
21°C14/26°C
5th Aug 2026545 AMAQI
5th Aug 2026546 AMAQI
5th Aug 2026567 AMAQI
5th Aug 2026548 AMAQI
5th Aug 2026559 AMAQI
5th Aug 20265510 AMAQI
5th Aug 20265611 AMAQI
5th Aug 20265612 PMAQI
5th Aug 2026581 PMAQI
5th Aug 2026592 PMAQI
5th Aug 2026603 PMAQI
5th Aug 2026594 PMAQI
5th Aug 2026585 PMAQI
5th Aug 2026576 PMAQI
5th Aug 2026607 PMAQI
5th Aug 2026568 PMAQI
5th Aug 2026569 PMAQI
5th Aug 20265510 PMAQI
5th Aug 20265511 PMAQI
6th Aug 20265512 AMAQI
6th Aug 2026541 AMAQI
6th Aug 2026542 AMAQI
6th Aug 2026543 AMAQI
6th Aug 2026534 AMAQI
22°C13/30°C
6th Aug 2026505 AMAQI
6th Aug 2026556 AMAQI
6th Aug 2026587 AMAQI
6th Aug 2026788 AMAQI
6th Aug 2026949 AMAQI
6th Aug 20268010 AMAQI
6th Aug 20268111 AMAQI
6th Aug 20268912 PMAQI
6th Aug 2026821 PMAQI
6th Aug 2026672 PMAQI
6th Aug 2026583 PMAQI
6th Aug 2026564 PMAQI
6th Aug 2026555 PMAQI
6th Aug 2026556 PMAQI
6th Aug 2026547 PMAQI
6th Aug 2026538 PMAQI
6th Aug 2026539 PMAQI
6th Aug 20265310 PMAQI
6th Aug 20265211 PMAQI
7th Aug 20265612 AMAQI
7th Aug 2026581 AMAQI
7th Aug 2026582 AMAQI
7th Aug 2026573 AMAQI
7th Aug 2026574 AMAQI
27°C18/37°C
7th Aug 2026565 AMAQI
5 AM7th Aug 2026586 AMAQI
7th Aug 2026577 AMAQI
7th Aug 2026598 AMAQI
7th Aug 2026949 AMAQI
7th Aug 20268810 AMAQI
7th Aug 20267611 AMAQI
7th Aug 20267212 PMAQI
12 PM7th Aug 2026631 PMAQI
7th Aug 2026592 PMAQI
7th Aug 2026603 PMAQI
7th Aug 2026594 PMAQI
7th Aug 2026595 PMAQI
7th Aug 2026606 PMAQI
7th Aug 2026597 PMAQI
7th Aug 2026588 PMAQI
8 PM7th Aug 2026589 PMAQI
7th Aug 20265910 PMAQI
7th Aug 20265911 PMAQI
12 AM
4 AM
29°C21/36°C
Day time
Avg. Highest Time
9 AM - 10 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 9 AM to 10 AM (Avg. 45), while the lowest AQI was between 5 AM to 5 AM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 3 AM
34AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
4 AM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 34), while the lowest AQI was between 4 AM to 4 AM (Avg. 32).
2026 Days Vs Air Quality
Thornton, Colorado, United States
2026
95%
206
5%
10
Total number of days with different AQI categories in last 219 days in 2026 (146 days remaining)
Good
206 DaysModerate
10 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 219 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
Thornton, 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
23AQI (US)
23AQI (US)
2nd January 2026
23AQI (US)
23AQI (US)
3rd January 2026
31AQI (US)
31AQI (US)
4th January 2026
16AQI (US)
16AQI (US)
5th January 2026
42AQI (US)
42AQI (US)
6th January 2026
19AQI (US)
19AQI (US)
7th January 2026
42AQI (US)
42AQI (US)
8th January 2026
18AQI (US)
18AQI (US)
9th January 2026
25AQI (US)
25AQI (US)
10th January 2026
23AQI (US)
23AQI (US)
11th January 2026
20AQI (US)
20AQI (US)
12th January 2026
28AQI (US)
28AQI (US)
13th January 2026
24AQI (US)
24AQI (US)
14th January 2026
20AQI (US)
20AQI (US)
15th January 2026
27AQI (US)
27AQI (US)
16th January 2026
29AQI (US)
29AQI (US)
17th January 2026
14AQI (US)
14AQI (US)
18th January 2026
14AQI (US)
14AQI (US)
19th January 2026
18AQI (US)
18AQI (US)
20th January 2026
28AQI (US)
28AQI (US)
21st January 2026
26AQI (US)
26AQI (US)
22nd January 2026
33AQI (US)
33AQI (US)
23rd January 2026
26AQI (US)
26AQI (US)
24th January 2026
31AQI (US)
31AQI (US)
25th January 2026
24AQI (US)
24AQI (US)
26th January 2026
20AQI (US)
20AQI (US)
27th January 2026
23AQI (US)
23AQI (US)
28th January 2026
40AQI (US)
40AQI (US)
29th January 2026
38AQI (US)
38AQI (US)
30th January 2026
39AQI (US)
39AQI (US)
31st January 2026
25AQI (US)
25AQI (US)
1st February 2026
24AQI (US)
24AQI (US)
2nd February 2026
47AQI (US)
47AQI (US)
3rd February 2026
39AQI (US)
39AQI (US)
4th February 2026
29AQI (US)
29AQI (US)
5th February 2026
38AQI (US)
38AQI (US)
6th February 2026
31AQI (US)
31AQI (US)
7th February 2026
32AQI (US)
32AQI (US)
8th February 2026
21AQI (US)
21AQI (US)
9th February 2026
30AQI (US)
30AQI (US)
10th February 2026
25AQI (US)
25AQI (US)
11th February 2026
39AQI (US)
39AQI (US)
12th February 2026
36AQI (US)
36AQI (US)
13th February 2026
36AQI (US)
36AQI (US)
14th February 2026
24AQI (US)
24AQI (US)
15th February 2026
24AQI (US)
24AQI (US)
16th February 2026
36AQI (US)
36AQI (US)
17th February 2026
39AQI (US)
39AQI (US)
18th February 2026
22AQI (US)
22AQI (US)
19th February 2026
27AQI (US)
27AQI (US)
20th February 2026
22AQI (US)
22AQI (US)
21st February 2026
20AQI (US)
20AQI (US)
22nd February 2026
22AQI (US)
22AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
38AQI (US)
38AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
19AQI (US)
19AQI (US)
27th February 2026
28AQI (US)
28AQI (US)
28th February 2026
19AQI (US)
19AQI (US)
1st March 2026
24AQI (US)
24AQI (US)
2nd March 2026
36AQI (US)
36AQI (US)
3rd March 2026
24AQI (US)
24AQI (US)
4th March 2026
21AQI (US)
21AQI (US)
5th March 2026
31AQI (US)
31AQI (US)
6th March 2026
29AQI (US)
29AQI (US)
7th March 2026
24AQI (US)
24AQI (US)
8th March 2026
24AQI (US)
24AQI (US)
9th March 2026
22AQI (US)
22AQI (US)
10th March 2026
31AQI (US)
31AQI (US)
11th March 2026
19AQI (US)
19AQI (US)
12th March 2026
26AQI (US)
26AQI (US)
13th March 2026
28AQI (US)
28AQI (US)
14th March 2026
24AQI (US)
24AQI (US)
15th March 2026
20AQI (US)
20AQI (US)
16th March 2026
23AQI (US)
23AQI (US)
17th March 2026
22AQI (US)
22AQI (US)
18th March 2026
27AQI (US)
27AQI (US)
19th March 2026
33AQI (US)
33AQI (US)
20th March 2026
40AQI (US)
40AQI (US)
21st March 2026
25AQI (US)
25AQI (US)
22nd March 2026
30AQI (US)
30AQI (US)
23rd March 2026
32AQI (US)
32AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
36AQI (US)
36AQI (US)
26th March 2026
61AQI (US)
61AQI (US)
27th March 2026
25AQI (US)
25AQI (US)
28th March 2026
31AQI (US)
31AQI (US)
29th March 2026
28AQI (US)
28AQI (US)
30th March 2026
36AQI (US)
36AQI (US)
31st March 2026
38AQI (US)
38AQI (US)
1st April 2026
37AQI (US)
37AQI (US)
2nd April 2026
21AQI (US)
21AQI (US)
3rd April 2026
36AQI (US)
36AQI (US)
4th April 2026
17AQI (US)
17AQI (US)
5th April 2026
24AQI (US)
24AQI (US)
6th April 2026
25AQI (US)
25AQI (US)
7th April 2026
30AQI (US)
30AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
36AQI (US)
36AQI (US)
10th April 2026
44AQI (US)
44AQI (US)
11th April 2026
33AQI (US)
33AQI (US)
12th April 2026
15AQI (US)
15AQI (US)
13th April 2026
24AQI (US)
24AQI (US)
14th April 2026
27AQI (US)
27AQI (US)
15th April 2026
25AQI (US)
25AQI (US)
16th April 2026
29AQI (US)
29AQI (US)
17th April 2026
18th April 2026
20AQI (US)
20AQI (US)
19th April 2026
21AQI (US)
21AQI (US)
20th April 2026
35AQI (US)
35AQI (US)
21st April 2026
34AQI (US)
34AQI (US)
22nd April 2026
23rd April 2026
40AQI (US)
40AQI (US)
24th April 2026
23AQI (US)
23AQI (US)
25th April 2026
25AQI (US)
25AQI (US)
26th April 2026
19AQI (US)
19AQI (US)
27th April 2026
17AQI (US)
17AQI (US)
28th April 2026
19AQI (US)
19AQI (US)
29th April 2026
18AQI (US)
18AQI (US)
30th April 2026
18AQI (US)
18AQI (US)
1st May 2026
22AQI (US)
22AQI (US)
2nd May 2026
13AQI (US)
13AQI (US)
3rd May 2026
13AQI (US)
13AQI (US)
4th May 2026
22AQI (US)
22AQI (US)
5th May 2026
26AQI (US)
26AQI (US)
6th May 2026
22AQI (US)
22AQI (US)
7th May 2026
17AQI (US)
17AQI (US)
8th May 2026
19AQI (US)
19AQI (US)
9th May 2026
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
23AQI (US)
23AQI (US)
12th May 2026
33AQI (US)
33AQI (US)
13th May 2026
54AQI (US)
54AQI (US)
14th May 2026
41AQI (US)
41AQI (US)
15th May 2026
35AQI (US)
35AQI (US)
16th May 2026
29AQI (US)
29AQI (US)
17th May 2026
20AQI (US)
20AQI (US)
18th May 2026
34AQI (US)
34AQI (US)
19th May 2026
28AQI (US)
28AQI (US)
20th May 2026
18AQI (US)
18AQI (US)
21st May 2026
22AQI (US)
22AQI (US)
22nd May 2026
20AQI (US)
20AQI (US)
23rd May 2026
22AQI (US)
22AQI (US)
24th May 2026
26AQI (US)
26AQI (US)
25th May 2026
24AQI (US)
24AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
20AQI (US)
20AQI (US)
28th May 2026
23AQI (US)
23AQI (US)
29th May 2026
28AQI (US)
28AQI (US)
30th May 2026
21AQI (US)
21AQI (US)
31st May 2026
15AQI (US)
15AQI (US)
1st June 2026
19AQI (US)
19AQI (US)
2nd June 2026
20AQI (US)
20AQI (US)
3rd June 2026
32AQI (US)
32AQI (US)
4th June 2026
36AQI (US)
36AQI (US)
5th June 2026
34AQI (US)
34AQI (US)
6th June 2026
35AQI (US)
35AQI (US)
7th June 2026
27AQI (US)
27AQI (US)
8th June 2026
36AQI (US)
36AQI (US)
9th June 2026
28AQI (US)
28AQI (US)
10th June 2026
34AQI (US)
34AQI (US)
11th June 2026
35AQI (US)
35AQI (US)
12th June 2026
38AQI (US)
38AQI (US)
13th June 2026
34AQI (US)
34AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
33AQI (US)
33AQI (US)
16th June 2026
39AQI (US)
39AQI (US)
17th June 2026
46AQI (US)
46AQI (US)
18th June 2026
43AQI (US)
43AQI (US)
19th June 2026
51AQI (US)
51AQI (US)
20th June 2026
49AQI (US)
49AQI (US)
21st June 2026
36AQI (US)
36AQI (US)
22nd June 2026
31AQI (US)
31AQI (US)
23rd June 2026
45AQI (US)
45AQI (US)
24th June 2026
32AQI (US)
32AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
22AQI (US)
22AQI (US)
27th June 2026
20AQI (US)
20AQI (US)
28th June 2026
41AQI (US)
41AQI (US)
29th June 2026
33AQI (US)
33AQI (US)
30th June 2026
50AQI (US)
50AQI (US)
1st July 2026
46AQI (US)
46AQI (US)
2nd July 2026
41AQI (US)
41AQI (US)
3rd July 2026
41AQI (US)
41AQI (US)
4th July 2026
35AQI (US)
35AQI (US)
5th July 2026
45AQI (US)
45AQI (US)
6th July 2026
56AQI (US)
56AQI (US)
7th July 2026
58AQI (US)
58AQI (US)
8th July 2026
43AQI (US)
43AQI (US)
9th July 2026
23AQI (US)
23AQI (US)
10th July 2026
29AQI (US)
29AQI (US)
11th July 2026
19AQI (US)
19AQI (US)
12th July 2026
19AQI (US)
19AQI (US)
13th July 2026
29AQI (US)
29AQI (US)
14th July 2026
35AQI (US)
35AQI (US)
15th July 2026
28AQI (US)
28AQI (US)
16th July 2026
29AQI (US)
29AQI (US)
17th July 2026
30AQI (US)
30AQI (US)
18th July 2026
37AQI (US)
37AQI (US)
19th July 2026
31AQI (US)
31AQI (US)
20th July 2026
39AQI (US)
39AQI (US)
21st July 2026
40AQI (US)
40AQI (US)
22nd July 2026
33AQI (US)
33AQI (US)
23rd July 2026
28AQI (US)
28AQI (US)
24th July 2026
38AQI (US)
38AQI (US)
25th July 2026
33AQI (US)
33AQI (US)
26th July 2026
29AQI (US)
29AQI (US)
27th July 2026
29AQI (US)
29AQI (US)
28th July 2026
41AQI (US)
41AQI (US)
29th July 2026
42AQI (US)
42AQI (US)
30th July 2026
37AQI (US)
37AQI (US)
31st July 2026
34AQI (US)
34AQI (US)
1st August 2026
34AQI (US)
34AQI (US)
2nd August 2026
32AQI (US)
32AQI (US)
3rd August 2026
58AQI (US)
58AQI (US)
4th August 2026
68AQI (US)
68AQI (US)
5th August 2026
56AQI (US)
56AQI (US)
6th August 2026
62AQI (US)
62AQI (US)
7th August 2026
62AQI (US)
62AQI (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
26AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
34AQI (US)
35AQI (US)
53AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202630AQI (US)
31
28
30
1
28
29
1
29
1
29
2
2
5
206
10
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
May25AQI (US)
202536AQI (US)
6
29
1
31
30
28
3
23
8
25
5
19
12
30
30
1
251
30
Highest AQI (US) recorded in
August45AQI (US)
Lowest AQI (US) recorded in
May25AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2025(Avg.)
36AQI (US)Least Polluted Year Recorded
2026(Avg.)
30AQI (US)Thornton's annual 2026 AQI (US) (30) shows an average percentage change of -16.6% (improved AQI (US)) compared to previous years: 2025 (36).
