Country Background

Pm2.5, Grand Junction, 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

Pm2.5, Grand Junction, Colorado, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
7th Aug 2021
133AQI
Lowest AQI recorded on
1st Aug 2021
9AQI


Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Pm2.5, Grand Junction, Colorado, United States

AQI
Day
Night
.

6 AM1st Aug 2025

8 PM

5 AM2nd Aug 2025

Day time
Avg. Highest Time
2PM1st Aug

39AQI

Avg. Lowest Time
8AM1st Aug

26AQI

Night time
Avg. Highest Time
9PM1st Aug

28AQI

Avg. Lowest Time
2AM2nd Aug

23AQI

In the last 24 hours,

Pm2.5's AQI reached its highest point of 39 at 2 PM during the Day, while the lowest point, 23, was recorded at 2 AM during the Night between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Pm2.5, Grand Junction, Colorado, United States

JulAug
03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd
Day
Night
3rd Jul 2025306 AMAQI
3rd Jul 2025327 AMAQI
3rd Jul 2025328 AMAQI
3rd Jul 2025369 AMAQI
3rd Jul 20253210 AMAQI
3rd Jul 20252911 AMAQI
3rd Jul 20252812 PMAQI
3rd Jul 2025251 PMAQI
3rd Jul 2025252 PMAQI
3rd Jul 2025283 PMAQI
3rd Jul 2025284 PMAQI
3rd Jul 2025295 PMAQI
3rd Jul 2025266 PMAQI
3rd Jul 2025277 PMAQI
3rd Jul 2025278 PMAQI
3rd Jul 2025289 PMAQI
3rd Jul 20252710 PMAQI
3rd Jul 20253311 PMAQI
4th Jul 20252812 AMAQI
4th Jul 2025321 AMAQI
4th Jul 2025342 AMAQI
4th Jul 2025343 AMAQI
4th Jul 2025354 AMAQI
4th Jul 2025465 AMAQI

21°C14/29°C

4th Jul 2025416 AMAQI
4th Jul 2025427 AMAQI
4th Jul 2025468 AMAQI
4th Jul 2025439 AMAQI
4th Jul 20254210 AMAQI
4th Jul 20253611 AMAQI
4th Jul 20253612 PMAQI
4th Jul 2025331 PMAQI
4th Jul 2025302 PMAQI
4th Jul 2025333 PMAQI
4th Jul 2025324 PMAQI
4th Jul 2025315 PMAQI
4th Jul 2025306 PMAQI
4th Jul 2025347 PMAQI
4th Jul 2025328 PMAQI
4th Jul 2025309 PMAQI
4th Jul 20253210 PMAQI
4th Jul 20253411 PMAQI
5th Jul 20254012 AMAQI
5th Jul 2025481 AMAQI
5th Jul 2025512 AMAQI
5th Jul 2025523 AMAQI
5th Jul 2025494 AMAQI
5th Jul 2025415 AMAQI

22°C14/31°C

5th Jul 2025366 AMAQI
5th Jul 2025357 AMAQI
5th Jul 2025348 AMAQI
5th Jul 2025359 AMAQI
5th Jul 20253610 AMAQI
5th Jul 20253211 AMAQI
5th Jul 20253012 PMAQI
5th Jul 2025301 PMAQI
5th Jul 2025362 PMAQI
5th Jul 2025383 PMAQI
5th Jul 2025364 PMAQI
5th Jul 2025355 PMAQI
5th Jul 2025366 PMAQI
5th Jul 2025367 PMAQI
5th Jul 2025408 PMAQI
5th Jul 2025349 PMAQI
5th Jul 20253410 PMAQI
5th Jul 20253411 PMAQI
6th Jul 20253712 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025382 AMAQI
6th Jul 2025393 AMAQI
6th Jul 2025394 AMAQI
6th Jul 2025305 AMAQI

24°C11/34°C

6th Jul 2025256 AMAQI
6th Jul 2025277 AMAQI
6th Jul 2025288 AMAQI
6th Jul 2025289 AMAQI
6th Jul 20253110 AMAQI
6th Jul 20252611 AMAQI
6th Jul 20252912 PMAQI
6th Jul 2025261 PMAQI
6th Jul 2025282 PMAQI
6th Jul 2025293 PMAQI
6th Jul 2025304 PMAQI
6th Jul 2025305 PMAQI
6th Jul 2025286 PMAQI
6th Jul 2025317 PMAQI
6th Jul 2025308 PMAQI
6th Jul 2025299 PMAQI
6th Jul 20252710 PMAQI
6th Jul 20252811 PMAQI
7th Jul 20252912 AMAQI
7th Jul 2025301 AMAQI
7th Jul 2025312 AMAQI
7th Jul 2025303 AMAQI
7th Jul 2025314 AMAQI
7th Jul 2025225 AMAQI

25°C11/36°C

7th Jul 2025206 AMAQI
7th Jul 2025247 AMAQI
7th Jul 2025258 AMAQI
7th Jul 2025269 AMAQI
7th Jul 20252810 AMAQI
7th Jul 20253011 AMAQI
7th Jul 20252912 PMAQI
7th Jul 2025291 PMAQI
7th Jul 2025312 PMAQI
7th Jul 2025293 PMAQI
7th Jul 2025294 PMAQI
7th Jul 2025295 PMAQI
7th Jul 2025346 PMAQI
7th Jul 2025347 PMAQI
7th Jul 2025358 PMAQI
7th Jul 2025309 PMAQI
7th Jul 20253010 PMAQI
7th Jul 20252811 PMAQI
8th Jul 20253112 AMAQI
8th Jul 2025311 AMAQI
8th Jul 2025262 AMAQI
8th Jul 2025283 AMAQI
8th Jul 2025294 AMAQI
8th Jul 2025285 AMAQI

24°C12/35°C

8th Jul 2025256 AMAQI
8th Jul 2025307 AMAQI
8th Jul 2025328 AMAQI
8th Jul 2025319 AMAQI
8th Jul 20252810 AMAQI
8th Jul 20252911 AMAQI
8th Jul 20253312 PMAQI
8th Jul 2025291 PMAQI
8th Jul 2025302 PMAQI
8th Jul 2025273 PMAQI
8th Jul 2025324 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025326 PMAQI
8th Jul 2025257 PMAQI
8th Jul 2025248 PMAQI
8th Jul 2025259 PMAQI
8th Jul 20252410 PMAQI
8th Jul 20252611 PMAQI
9th Jul 20252912 AMAQI
9th Jul 2025261 AMAQI
9th Jul 2025222 AMAQI
9th Jul 2025233 AMAQI
9th Jul 2025224 AMAQI
9th Jul 2025335 AMAQI

26°C13/38°C

9th Jul 2025366 AMAQI
9th Jul 2025287 AMAQI
9th Jul 2025308 AMAQI
9th Jul 2025259 AMAQI
9th Jul 20252610 AMAQI
9th Jul 20252711 AMAQI
9th Jul 20253012 PMAQI
9th Jul 2025341 PMAQI
9th Jul 2025342 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025314 PMAQI
9th Jul 2025325 PMAQI
9th Jul 2025316 PMAQI
9th Jul 2025307 PMAQI
9th Jul 2025268 PMAQI
9th Jul 2025409 PMAQI
9th Jul 20253410 PMAQI
9th Jul 20253011 PMAQI
10th Jul 20252912 AMAQI
10th Jul 2025281 AMAQI
10th Jul 2025272 AMAQI
10th Jul 2025253 AMAQI
10th Jul 2025274 AMAQI
10th Jul 2025395 AMAQI

26°C14/39°C

10th Jul 2025286 AMAQI
10th Jul 2025297 AMAQI
10th Jul 2025288 AMAQI
10th Jul 2025349 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20253211 AMAQI
10th Jul 20253212 PMAQI
10th Jul 2025311 PMAQI
10th Jul 2025322 PMAQI
10th Jul 2025333 PMAQI
10th Jul 2025334 PMAQI
10th Jul 2025485 PMAQI
10th Jul 2025456 PMAQI
10th Jul 2025337 PMAQI
10th Jul 2025268 PMAQI
10th Jul 2025309 PMAQI
10th Jul 20253410 PMAQI
10th Jul 20253211 PMAQI
11th Jul 20252912 AMAQI
11th Jul 2025311 AMAQI
11th Jul 2025352 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025384 AMAQI
11th Jul 2025365 AMAQI

26°C16/37°C

11th Jul 2025426 AMAQI
11th Jul 2025327 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253610 AMAQI
11th Jul 20253811 AMAQI
11th Jul 20253712 PMAQI
11th Jul 2025331 PMAQI
11th Jul 2025372 PMAQI
11th Jul 2025403 PMAQI
11th Jul 2025394 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025356 PMAQI
11th Jul 2025357 PMAQI
11th Jul 2025438 PMAQI
11th Jul 2025439 PMAQI
11th Jul 20254210 PMAQI
11th Jul 20253711 PMAQI
12th Jul 20253912 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025362 AMAQI
12th Jul 2025353 AMAQI
12th Jul 2025344 AMAQI
12th Jul 2025305 AMAQI

26°C14/36°C

12th Jul 2025376 AMAQI
12th Jul 2025337 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025359 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253312 PMAQI
12th Jul 2025391 PMAQI
12th Jul 2025352 PMAQI
12th Jul 2025383 PMAQI
12th Jul 2025354 PMAQI
12th Jul 2025325 PMAQI
12th Jul 2025306 PMAQI
12th Jul 2025307 PMAQI
12th Jul 2025288 PMAQI
12th Jul 2025279 PMAQI
12th Jul 20252810 PMAQI
12th Jul 20252811 PMAQI
13th Jul 20253412 AMAQI
13th Jul 2025411 AMAQI
13th Jul 2025462 AMAQI
13th Jul 2025353 AMAQI
13th Jul 2025364 AMAQI
13th Jul 2025305 AMAQI

27°C18/36°C

13th Jul 2025286 AMAQI
13th Jul 2025427 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025319 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20253011 AMAQI
13th Jul 20253212 PMAQI
13th Jul 2025321 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025333 PMAQI
13th Jul 2025344 PMAQI
13th Jul 2025345 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025307 PMAQI
13th Jul 2025318 PMAQI
13th Jul 2025299 PMAQI
13th Jul 20252410 PMAQI
13th Jul 20253011 PMAQI
14th Jul 20253012 AMAQI
14th Jul 2025301 AMAQI
14th Jul 2025312 AMAQI
14th Jul 2025263 AMAQI
14th Jul 2025374 AMAQI
14th Jul 2025245 AMAQI

26°C14/37°C

14th Jul 2025326 AMAQI
14th Jul 2025357 AMAQI
14th Jul 2025368 AMAQI
14th Jul 2025279 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20253011 AMAQI
14th Jul 20252812 PMAQI
14th Jul 2025321 PMAQI
14th Jul 2025372 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025354 PMAQI
14th Jul 2025345 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025298 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253310 PMAQI
14th Jul 20253511 PMAQI
15th Jul 20253812 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025382 AMAQI
15th Jul 2025403 AMAQI
15th Jul 2025414 AMAQI
15th Jul 2025495 AMAQI

27°C13/38°C

15th Jul 2025486 AMAQI
15th Jul 2025567 AMAQI
15th Jul 2025508 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20255610 AMAQI
15th Jul 20255611 AMAQI
15th Jul 20255712 PMAQI
15th Jul 2025541 PMAQI
15th Jul 2025522 PMAQI
15th Jul 2025473 PMAQI
15th Jul 2025434 PMAQI
15th Jul 2025435 PMAQI
15th Jul 2025446 PMAQI
15th Jul 2025467 PMAQI
15th Jul 2025458 PMAQI
15th Jul 2025429 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254611 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025491 AMAQI
16th Jul 2025492 AMAQI
16th Jul 2025483 AMAQI
16th Jul 2025474 AMAQI
16th Jul 2025495 AMAQI

24°C13/38°C

16th Jul 2025526 AMAQI
16th Jul 2025517 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025529 AMAQI
16th Jul 20255010 AMAQI
16th Jul 20256011 AMAQI
16th Jul 20256912 PMAQI
16th Jul 2025691 PMAQI
16th Jul 2025652 PMAQI
16th Jul 2025593 PMAQI
16th Jul 2025574 PMAQI
16th Jul 2025575 PMAQI
16th Jul 2025586 PMAQI
16th Jul 2025587 PMAQI
16th Jul 2025588 PMAQI
16th Jul 2025579 PMAQI
16th Jul 20255810 PMAQI
16th Jul 20255711 PMAQI
17th Jul 20255512 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025552 AMAQI
17th Jul 2025563 AMAQI
17th Jul 2025564 AMAQI
17th Jul 2025585 AMAQI

26°C16/36°C

17th Jul 2025586 AMAQI
17th Jul 2025627 AMAQI
17th Jul 2025648 AMAQI
17th Jul 2025659 AMAQI
17th Jul 20256210 AMAQI
17th Jul 20255911 AMAQI
17th Jul 20255712 PMAQI
17th Jul 2025581 PMAQI
17th Jul 2025592 PMAQI
17th Jul 2025593 PMAQI
17th Jul 2025594 PMAQI
17th Jul 2025605 PMAQI
17th Jul 2025586 PMAQI
17th Jul 2025577 PMAQI
17th Jul 2025568 PMAQI
17th Jul 2025559 PMAQI
17th Jul 20255510 PMAQI
17th Jul 20255511 PMAQI
18th Jul 20255412 AMAQI
18th Jul 2025541 AMAQI
18th Jul 2025552 AMAQI
18th Jul 2025543 AMAQI
18th Jul 2025544 AMAQI
18th Jul 2025565 AMAQI

24°C17/32°C

18th Jul 2025556 AMAQI
18th Jul 2025557 AMAQI
18th Jul 2025548 AMAQI
18th Jul 2025539 AMAQI
18th Jul 20255310 AMAQI
18th Jul 20255211 AMAQI
18th Jul 20255012 PMAQI
18th Jul 2025521 PMAQI
18th Jul 2025532 PMAQI
18th Jul 2025533 PMAQI
18th Jul 2025544 PMAQI
18th Jul 2025525 PMAQI
18th Jul 2025526 PMAQI
18th Jul 2025537 PMAQI
18th Jul 2025548 PMAQI
18th Jul 2025529 PMAQI
18th Jul 20255010 PMAQI
18th Jul 20255011 PMAQI
19th Jul 20255112 AMAQI
19th Jul 2025501 AMAQI
19th Jul 2025472 AMAQI
19th Jul 2025503 AMAQI
19th Jul 2025444 AMAQI
19th Jul 2025405 AMAQI

23°C14/32°C

19th Jul 2025396 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025409 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253511 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025382 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025384 PMAQI
19th Jul 2025385 PMAQI
19th Jul 2025386 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025398 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253711 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025372 AMAQI
20th Jul 2025383 AMAQI
20th Jul 2025414 AMAQI
20th Jul 2025385 AMAQI

25°C13/35°C

20th Jul 2025316 AMAQI
20th Jul 2025327 AMAQI
20th Jul 2025348 AMAQI
20th Jul 2025349 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253011 AMAQI
20th Jul 20252812 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025312 PMAQI
20th Jul 2025333 PMAQI
20th Jul 2025334 PMAQI
20th Jul 2025335 PMAQI
20th Jul 2025326 PMAQI
20th Jul 2025347 PMAQI
20th Jul 2025328 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253410 PMAQI
20th Jul 20253611 PMAQI
21st Jul 20253812 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025382 AMAQI
21st Jul 2025383 AMAQI
21st Jul 2025374 AMAQI
21st Jul 2025345 AMAQI

25°C13/35°C

21st Jul 2025316 AMAQI
21st Jul 2025357 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025399 AMAQI
21st Jul 20254210 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20254712 PMAQI
21st Jul 2025411 PMAQI
21st Jul 2025372 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025344 PMAQI
21st Jul 2025345 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025377 PMAQI
21st Jul 2025358 PMAQI
21st Jul 2025329 PMAQI
21st Jul 20253210 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253312 AMAQI
22nd Jul 2025331 AMAQI
22nd Jul 2025322 AMAQI
22nd Jul 2025313 AMAQI
22nd Jul 2025324 AMAQI
22nd Jul 2025235 AMAQI

25°C15/32°C

22nd Jul 2025206 AMAQI
22nd Jul 2025227 AMAQI
22nd Jul 2025228 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20253010 AMAQI
22nd Jul 20253311 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025301 PMAQI
22nd Jul 2025282 PMAQI
22nd Jul 2025303 PMAQI
22nd Jul 2025294 PMAQI
22nd Jul 2025295 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025287 PMAQI
22nd Jul 2025278 PMAQI
22nd Jul 2025269 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252612 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025262 AMAQI
23rd Jul 2025263 AMAQI
23rd Jul 2025224 AMAQI
23rd Jul 2025165 AMAQI

24°C13/32°C

23rd Jul 2025176 AMAQI
23rd Jul 2025187 AMAQI
23rd Jul 2025188 AMAQI
23rd Jul 2025219 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025231 PMAQI
23rd Jul 2025252 PMAQI
23rd Jul 2025273 PMAQI
23rd Jul 2025274 PMAQI
23rd Jul 2025255 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025247 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025369 PMAQI
23rd Jul 20253010 PMAQI
23rd Jul 20253211 PMAQI
24th Jul 20252912 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025292 AMAQI
24th Jul 2025293 AMAQI
24th Jul 2025284 AMAQI
24th Jul 2025655 AMAQI

25°C16/35°C

24th Jul 2025766 AMAQI
24th Jul 2025627 AMAQI
24th Jul 2025568 AMAQI
24th Jul 2025559 AMAQI
24th Jul 20255410 AMAQI
24th Jul 20255411 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025521 PMAQI
24th Jul 2025522 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025494 PMAQI
24th Jul 2025485 PMAQI
24th Jul 2025486 PMAQI
24th Jul 2025417 PMAQI
24th Jul 2025418 PMAQI
24th Jul 2025469 PMAQI
24th Jul 20254710 PMAQI
24th Jul 20255111 PMAQI
25th Jul 20255212 AMAQI
25th Jul 2025531 AMAQI
25th Jul 2025542 AMAQI
25th Jul 2025533 AMAQI
25th Jul 2025524 AMAQI
25th Jul 2025475 AMAQI

25°C15/35°C

25th Jul 2025526 AMAQI
25th Jul 2025527 AMAQI
25th Jul 2025528 AMAQI
25th Jul 2025519 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255211 AMAQI
25th Jul 20255112 PMAQI
25th Jul 2025481 PMAQI
25th Jul 2025512 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025534 PMAQI
25th Jul 2025535 PMAQI
25th Jul 2025536 PMAQI
25th Jul 2025527 PMAQI
25th Jul 2025528 PMAQI
25th Jul 2025519 PMAQI
25th Jul 20255010 PMAQI
25th Jul 20255211 PMAQI
26th Jul 20255212 AMAQI
26th Jul 2025531 AMAQI
26th Jul 2025542 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025544 AMAQI
26th Jul 2025585 AMAQI

24°C11/35°C

26th Jul 2025426 AMAQI
26th Jul 2025457 AMAQI
26th Jul 2025448 AMAQI
26th Jul 2025539 AMAQI
26th Jul 20255210 AMAQI
26th Jul 20254511 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025421 PMAQI
26th Jul 2025442 PMAQI
26th Jul 2025503 PMAQI
26th Jul 2025494 PMAQI
26th Jul 2025485 PMAQI
26th Jul 2025476 PMAQI
26th Jul 2025487 PMAQI
26th Jul 2025508 PMAQI
26th Jul 2025469 PMAQI
26th Jul 20254610 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20254712 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025502 AMAQI
27th Jul 2025513 AMAQI
27th Jul 2025524 AMAQI
27th Jul 2025435 AMAQI

23°C12/33°C

27th Jul 2025376 AMAQI
27th Jul 2025297 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025269 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20252811 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025271 PMAQI
27th Jul 2025302 PMAQI
27th Jul 2025353 PMAQI
27th Jul 2025424 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025406 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025358 PMAQI
27th Jul 2025329 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253011 PMAQI
28th Jul 20253212 AMAQI
28th Jul 2025321 AMAQI
28th Jul 2025342 AMAQI
28th Jul 2025343 AMAQI
28th Jul 2025324 AMAQI
28th Jul 2025275 AMAQI

23°C10/36°C

28th Jul 2025246 AMAQI
28th Jul 2025257 AMAQI
28th Jul 2025318 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20253212 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025314 PMAQI
28th Jul 2025285 PMAQI
28th Jul 2025296 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025299 PMAQI
28th Jul 20253010 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025351 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025364 AMAQI
29th Jul 2025365 AMAQI

25°C12/38°C

29th Jul 2025386 AMAQI
29th Jul 2025447 AMAQI
29th Jul 2025518 AMAQI
29th Jul 2025549 AMAQI
29th Jul 20255510 AMAQI
29th Jul 20255311 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025481 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025383 PMAQI
29th Jul 2025374 PMAQI
29th Jul 2025365 PMAQI
29th Jul 2025366 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025388 PMAQI
29th Jul 2025339 PMAQI
29th Jul 20253410 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025413 AMAQI
30th Jul 2025384 AMAQI
30th Jul 2025285 AMAQI

27°C16/36°C

30th Jul 2025266 AMAQI
30th Jul 2025327 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025339 AMAQI
30th Jul 20253510 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253712 PMAQI
30th Jul 2025351 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025313 PMAQI
30th Jul 2025314 PMAQI
30th Jul 2025315 PMAQI
30th Jul 2025316 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025318 PMAQI
30th Jul 2025409 PMAQI
30th Jul 20253910 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253712 AMAQI
31st Jul 2025351 AMAQI
31st Jul 2025352 AMAQI
31st Jul 2025383 AMAQI
31st Jul 2025394 AMAQI
31st Jul 2025385 AMAQI

24°C14/35°C

31st Jul 2025466 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025518 AMAQI
31st Jul 2025549 AMAQI
31st Jul 20255410 AMAQI
31st Jul 20255511 AMAQI
31st Jul 20255412 PMAQI
31st Jul 2025521 PMAQI
31st Jul 2025502 PMAQI
31st Jul 2025463 PMAQI
31st Jul 2025434 PMAQI
31st Jul 2025465 PMAQI
31st Jul 2025506 PMAQI
31st Jul 2025467 PMAQI
31st Jul 2025438 PMAQI
31st Jul 2025399 PMAQI
31st Jul 20253310 PMAQI
31st Jul 20252911 PMAQI
1st Aug 20252912 AMAQI
1st Aug 2025261 AMAQI
1st Aug 2025262 AMAQI
1st Aug 2025263 AMAQI
1st Aug 2025254 AMAQI
1st Aug 2025255 AMAQI

21°C13/33°C

1st Aug 2025266 AMAQI
1st Aug 2025267 AMAQI
1st Aug 2025268 AMAQI
1st Aug 2025309 AMAQI
1st Aug 20253210 AMAQI
1st Aug 20253511 AMAQI
1st Aug 20253712 PMAQI
1st Aug 2025381 PMAQI
1st Aug 2025392 PMAQI
1st Aug 2025373 PMAQI
1st Aug 2025354 PMAQI
1st Aug 2025365 PMAQI
1st Aug 2025316 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025289 PMAQI
1st Aug 20252710 PMAQI
1st Aug 20252611 PMAQI
2nd Aug 20252512 AMAQI
2nd Aug 2025261 AMAQI
2nd Aug 2025232 AMAQI
2nd Aug 2025243 AMAQI
2nd Aug 2025244 AMAQI
2nd Aug 2025265 AMAQI

22°C11/33°C

2nd Aug 2025346 AMAQI
6 AM
2nd Aug 2025327 AMAQI
2nd Aug 2025318 AMAQI
2nd Aug 2025309 AMAQI
2nd Aug 20253210 AMAQI
1 PM
8 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 8 PM

38AQI

15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM

38AQI

15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 38), while the lowest AQI was between 6 AM to 8 PM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 11 PM

37AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM

37AQI

9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 37), while the lowest AQI was between 12 AM to 11 PM (Avg. 37).

2025 Days Vs Air Quality

Pm2.5, Grand Junction, Colorado, United States

2025

98%

209

2%

4

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
209 Days
Moderate
4 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 98%

Health Risk Level:

Very Low

In 2025, 98% of 214 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

Pm2.5, Grand Junction, 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
34AQI
2nd January 2025
44AQI
3rd January 2025
41AQI
4th January 2025
33AQI
5th January 2025
24AQI
6th January 2025
27AQI
7th January 2025
30AQI
8th January 2025
26AQI
9th January 2025
25AQI
10th January 2025
24AQI
11th January 2025
25AQI
12th January 2025
24AQI
13th January 2025
23AQI
14th January 2025
28AQI
15th January 2025
30AQI
16th January 2025
36AQI
17th January 2025
46AQI
18th January 2025
27AQI
19th January 2025
21AQI
20th January 2025
24AQI
21st January 2025
25AQI
22nd January 2025
34AQI
23rd January 2025
25AQI
24th January 2025
26AQI
25th January 2025
27AQI
26th January 2025
36AQI
27th January 2025
48AQI
28th January 2025
49AQI
29th January 2025
45AQI
30th January 2025
45AQI
31st January 2025
34AQI
1st February 2025
38AQI
2nd February 2025
33AQI
3rd February 2025
43AQI
4th February 2025
33AQI
5th February 2025
27AQI
6th February 2025
30AQI
7th February 2025
27AQI
8th February 2025
21AQI
9th February 2025
23AQI
10th February 2025
36AQI
11th February 2025
42AQI
12th February 2025
24AQI
13th February 2025
16AQI
14th February 2025
12AQI
15th February 2025
13AQI
16th February 2025
16AQI
17th February 2025
17AQI
18th February 2025
13AQI
19th February 2025
12AQI
20th February 2025
13AQI
21st February 2025
14AQI
22nd February 2025
16AQI
23rd February 2025
16AQI
24th February 2025
17AQI
25th February 2025
14AQI
26th February 2025
14AQI
27th February 2025
11AQI
28th February 2025
16AQI
1st March 2025
20AQI
2nd March 2025
24AQI
3rd March 2025
16AQI
4th March 2025
14AQI
5th March 2025
13AQI
6th March 2025
10AQI
7th March 2025
10AQI
8th March 2025
12AQI
9th March 2025
14AQI
10th March 2025
16AQI
11th March 2025
22AQI
12th March 2025
19AQI
13th March 2025
16AQI
14th March 2025
23AQI
15th March 2025
17AQI
16th March 2025
21AQI
17th March 2025
22AQI
18th March 2025
20AQI
19th March 2025
23AQI
20th March 2025
19AQI
21st March 2025
18AQI
22nd March 2025
17AQI
23rd March 2025
23AQI
24th March 2025
22AQI
25th March 2025
21AQI
26th March 2025
22AQI
27th March 2025
21AQI
28th March 2025
28AQI
29th March 2025
27AQI
30th March 2025
28AQI
31st March 2025
33AQI
1st April 2025
19AQI
2nd April 2025
21AQI
3rd April 2025
16AQI
4th April 2025
20AQI
5th April 2025
14AQI
6th April 2025
16AQI
7th April 2025
19AQI
8th April 2025
27AQI
9th April 2025
33AQI
10th April 2025
49AQI
11th April 2025
43AQI
12th April 2025
34AQI
13th April 2025
27AQI
14th April 2025
26AQI
15th April 2025
25AQI
16th April 2025
23AQI
17th April 2025
30AQI
18th April 2025
17AQI
19th April 2025
15AQI
20th April 2025
18AQI
21st April 2025
18AQI
22nd April 2025
18AQI
23rd April 2025
23AQI
24th April 2025
26AQI
25th April 2025
21AQI
26th April 2025
18AQI
27th April 2025
26AQI
28th April 2025
14AQI
29th April 2025
15AQI
30th April 2025
16AQI
1st May 2025
15AQI
2nd May 2025
18AQI
3rd May 2025
20AQI
4th May 2025
23AQI
5th May 2025
16AQI
6th May 2025
16AQI
7th May 2025
15AQI
8th May 2025
18AQI
9th May 2025
18AQI
10th May 2025
17AQI
11th May 2025
18AQI
12th May 2025
23AQI
13th May 2025
34AQI
14th May 2025
27AQI
15th May 2025
16AQI
16th May 2025
18AQI
17th May 2025
14AQI
18th May 2025
16AQI
19th May 2025
16AQI
20th May 2025
17AQI
21st May 2025
17AQI
22nd May 2025
20AQI
23rd May 2025
27AQI
24th May 2025
20AQI
25th May 2025
23AQI
26th May 2025
19AQI
27th May 2025
19AQI
28th May 2025
22AQI
29th May 2025
22AQI
30th May 2025
20AQI
31st May 2025
27AQI
1st June 2025
26AQI
2nd June 2025
25AQI
3rd June 2025
18AQI
4th June 2025
28AQI
5th June 2025
19AQI
6th June 2025
22AQI
7th June 2025
24AQI
8th June 2025
23AQI
9th June 2025
26AQI
10th June 2025
25AQI
11th June 2025
23AQI
12th June 2025
25AQI
13th June 2025
25AQI
14th June 2025
26AQI
15th June 2025
23AQI
16th June 2025
24AQI
17th June 2025
25AQI
18th June 2025
26AQI
19th June 2025
27AQI
20th June 2025
31AQI
21st June 2025
32AQI
22nd June 2025
30AQI
23rd June 2025
40AQI
24th June 2025
38AQI
25th June 2025
38AQI
26th June 2025
35AQI
27th June 2025
42AQI
28th June 2025
35AQI
29th June 2025
37AQI
30th June 2025
30AQI
1st July 2025
34AQI
2nd July 2025
28AQI
3rd July 2025
28AQI
4th July 2025
35AQI
5th July 2025
39AQI
6th July 2025
31AQI
7th July 2025
29AQI
8th July 2025
28AQI
9th July 2025
29AQI
10th July 2025
32AQI
11th July 2025
37AQI
12th July 2025
33AQI
13th July 2025
33AQI
14th July 2025
31AQI
15th July 2025
46AQI
16th July 2025
55AQI
17th July 2025
58AQI
18th July 2025
53AQI
19th July 2025
41AQI
20th July 2025
34AQI
21st July 2025
37AQI
22nd July 2025
28AQI
23rd July 2025
25AQI
24th July 2025
46AQI
25th July 2025
52AQI
26th July 2025
49AQI
27th July 2025
38AQI
28th July 2025
31AQI
29th July 2025
40AQI
30th July 2025
35AQI
31st July 2025
43AQI
1st August 2025
30AQI

32AQI

22AQI

20AQI

23AQI

20AQI

28AQI

37AQI

30AQI


No. of days

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

202526AQI

31
28
31
30
31
30
27
4
1
209
4

Highest AQI recorded in

July

37AQI


Lowest AQI recorded in

May

20AQI


202421AQI

31
29
31
30
28
29
29
2
31
30
28
3
30
29
2
355
7

Highest AQI recorded in

December

40AQI


Lowest AQI recorded in

May

14AQI


202319AQI

31
27
1
31
29
1
30
30
31
31
30
31
28
31
360
2

Highest AQI recorded in

November

26AQI


Lowest AQI recorded in

June

14AQI


202223AQI

25
4
1
21
1
31
17
31
30
21
3
27
2
31
30
30
1
297
8
1

Highest AQI recorded in

January

40AQI


Lowest AQI recorded in

July

13AQI


202126AQI

23
7
28
31
30
28
26
1
29
2
19
10
2
28
2
31
30
30
1
333
23
2

Highest AQI recorded in

August

43AQI


Lowest AQI recorded in

May

15AQI


202025AQI

13
20
19
30
31
22
8
1
25
5
26
5
28
1
29
2
243
21
1

Highest AQI recorded in

August

41AQI


Lowest AQI recorded in

March

12AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
26AQI
Least Polluted Year Recorded
2023(Avg.)
19AQI


Pm2.5's annual 2025 AQI (26) shows an average percentage change of 15.7% (worsened AQI) compared to previous years: 2020 (25), 2021 (26), 2022 (23), 2023 (19), 2024 (21).