Country Background

Calgary, Alberta, Canada 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

Calgary, Alberta, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Jul 2021
194AQI
Lowest AQI recorded on
12th Jul 2022
8AQI


Same Day Analysis (1st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

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

Calgary, Alberta, Canada

AQI
Day
Night
.

5 AM1st Jul 2025

9 PM

4 AM2nd Jul 2025

Day time
Avg. Highest Time
6AM1st Jul

40AQI

Avg. Lowest Time
4PM1st Jul

27AQI

Night time
Avg. Highest Time
3AM2nd Jul

30AQI

Avg. Lowest Time
1AM2nd Jul

26AQI

In the last 24 hours,

Calgary's AQI reached its highest point of 40 at 6 AM during the Day, while the lowest point, 26, was recorded at 1 AM during the Night between 1st Jul and 2nd Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025

Calgary, Alberta, Canada

JunJul
02nd - 03rd03rd - 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 - 01st01st - 02nd02nd
Day
Night
2nd Jun 2025235 AMAQI
2nd Jun 2025146 AMAQI
2nd Jun 2025137 AMAQI
2nd Jun 2025138 AMAQI
2nd Jun 2025139 AMAQI
2nd Jun 20251310 AMAQI
2nd Jun 20251911 AMAQI
2nd Jun 20252012 PMAQI
2nd Jun 2025191 PMAQI
2nd Jun 2025192 PMAQI
2nd Jun 2025173 PMAQI
2nd Jun 2025184 PMAQI
2nd Jun 2025245 PMAQI
2nd Jun 2025346 PMAQI
2nd Jun 2025447 PMAQI
2nd Jun 2025398 PMAQI
2nd Jun 2025299 PMAQI
2nd Jun 20252410 PMAQI
2nd Jun 20252911 PMAQI
3rd Jun 20253012 AMAQI
3rd Jun 2025321 AMAQI
3rd Jun 2025292 AMAQI
3rd Jun 2025303 AMAQI
3rd Jun 2025284 AMAQI

12°C6/18°C

3rd Jun 2025335 AMAQI
3rd Jun 2025306 AMAQI
3rd Jun 2025297 AMAQI
3rd Jun 2025288 AMAQI
3rd Jun 2025269 AMAQI
3rd Jun 20253010 AMAQI
3rd Jun 20252711 AMAQI
3rd Jun 20253012 PMAQI
3rd Jun 2025321 PMAQI
3rd Jun 2025242 PMAQI
3rd Jun 2025253 PMAQI
3rd Jun 2025234 PMAQI
3rd Jun 2025205 PMAQI
3rd Jun 2025226 PMAQI
3rd Jun 2025207 PMAQI
3rd Jun 2025228 PMAQI
3rd Jun 2025259 PMAQI
3rd Jun 20253110 PMAQI
3rd Jun 20252111 PMAQI
4th Jun 20252412 AMAQI
4th Jun 2025351 AMAQI
4th Jun 2025522 AMAQI
4th Jun 2025553 AMAQI
4th Jun 2025394 AMAQI

12°C8/17°C

4th Jun 2025375 AMAQI
4th Jun 2025476 AMAQI
4th Jun 2025467 AMAQI
4th Jun 2025408 AMAQI
4th Jun 2025349 AMAQI
4th Jun 20253410 AMAQI
4th Jun 20254011 AMAQI
4th Jun 20253812 PMAQI
4th Jun 2025471 PMAQI
4th Jun 2025452 PMAQI
4th Jun 2025463 PMAQI
4th Jun 2025464 PMAQI
4th Jun 2025405 PMAQI
4th Jun 2025336 PMAQI
4th Jun 2025327 PMAQI
4th Jun 2025328 PMAQI
4th Jun 2025369 PMAQI
4th Jun 20253610 PMAQI
4th Jun 20253511 PMAQI
5th Jun 20253312 AMAQI
5th Jun 2025371 AMAQI
5th Jun 2025422 AMAQI
5th Jun 2025503 AMAQI
5th Jun 2025504 AMAQI

14°C7/20°C

5th Jun 2025465 AMAQI
5th Jun 2025286 AMAQI
5th Jun 2025247 AMAQI
5th Jun 2025288 AMAQI
5th Jun 2025339 AMAQI
5th Jun 20253610 AMAQI
5th Jun 20253811 AMAQI
5th Jun 20254012 PMAQI
5th Jun 2025451 PMAQI
5th Jun 2025442 PMAQI
5th Jun 2025373 PMAQI
5th Jun 2025344 PMAQI
5th Jun 2025335 PMAQI
5th Jun 2025386 PMAQI
5th Jun 2025357 PMAQI
5th Jun 2025368 PMAQI
5th Jun 2025349 PMAQI
5th Jun 20253210 PMAQI
5th Jun 20253211 PMAQI
6th Jun 20253312 AMAQI
6th Jun 2025341 AMAQI
6th Jun 2025312 AMAQI
6th Jun 2025333 AMAQI
6th Jun 2025354 AMAQI

18°C9/26°C

6th Jun 2025345 AMAQI
6th Jun 2025366 AMAQI
6th Jun 2025337 AMAQI
6th Jun 2025288 AMAQI
6th Jun 2025279 AMAQI
6th Jun 20253410 AMAQI
6th Jun 20252811 AMAQI
6th Jun 20253312 PMAQI
6th Jun 2025311 PMAQI
6th Jun 2025272 PMAQI
6th Jun 2025253 PMAQI
6th Jun 2025264 PMAQI
6th Jun 2025265 PMAQI
6th Jun 2025266 PMAQI
6th Jun 2025257 PMAQI
6th Jun 2025328 PMAQI
6th Jun 2025319 PMAQI
6th Jun 20252910 PMAQI
6th Jun 20252911 PMAQI
7th Jun 20253312 AMAQI
7th Jun 2025291 AMAQI
7th Jun 2025272 AMAQI
7th Jun 2025273 AMAQI
7th Jun 2025264 AMAQI

19°C13/27°C

7th Jun 2025255 AMAQI
7th Jun 2025236 AMAQI
7th Jun 2025207 AMAQI
7th Jun 2025218 AMAQI
7th Jun 2025399 AMAQI
7th Jun 20254810 AMAQI
7th Jun 20255211 AMAQI
7th Jun 20255412 PMAQI
7th Jun 2025461 PMAQI
7th Jun 2025432 PMAQI
7th Jun 2025553 PMAQI
7th Jun 2025454 PMAQI
7th Jun 2025405 PMAQI
7th Jun 2025426 PMAQI
7th Jun 2025417 PMAQI
7th Jun 2025408 PMAQI
7th Jun 2025459 PMAQI
7th Jun 20255810 PMAQI
7th Jun 20254611 PMAQI
8th Jun 20254812 AMAQI
8th Jun 2025461 AMAQI
8th Jun 2025442 AMAQI
8th Jun 2025413 AMAQI
8th Jun 2025434 AMAQI

15°C9/21°C

8th Jun 2025485 AMAQI
8th Jun 2025496 AMAQI
8th Jun 2025507 AMAQI
8th Jun 2025518 AMAQI
8th Jun 2025529 AMAQI
8th Jun 20255510 AMAQI
8th Jun 20255411 AMAQI
8th Jun 20255412 PMAQI
8th Jun 2025551 PMAQI
8th Jun 2025482 PMAQI
8th Jun 2025563 PMAQI
8th Jun 2025564 PMAQI
8th Jun 2025545 PMAQI
8th Jun 2025546 PMAQI
8th Jun 2025607 PMAQI
8th Jun 2025568 PMAQI
8th Jun 2025559 PMAQI
8th Jun 20255410 PMAQI
8th Jun 20255211 PMAQI
9th Jun 20255412 AMAQI
9th Jun 2025541 AMAQI
9th Jun 2025552 AMAQI
9th Jun 2025553 AMAQI
9th Jun 2025584 AMAQI

18°C8/28°C

9th Jun 2025555 AMAQI
9th Jun 2025546 AMAQI
9th Jun 2025547 AMAQI
9th Jun 2025518 AMAQI
9th Jun 2025569 AMAQI
9th Jun 20255510 AMAQI
9th Jun 20255011 AMAQI
9th Jun 20255312 PMAQI
9th Jun 2025601 PMAQI
9th Jun 2025602 PMAQI
9th Jun 2025543 PMAQI
9th Jun 2025534 PMAQI
9th Jun 2025515 PMAQI
9th Jun 2025536 PMAQI
9th Jun 2025537 PMAQI
9th Jun 2025558 PMAQI
9th Jun 2025569 PMAQI
9th Jun 20255610 PMAQI
9th Jun 20256011 PMAQI
10th Jun 20255612 AMAQI
10th Jun 2025541 AMAQI
10th Jun 2025532 AMAQI
10th Jun 2025523 AMAQI
10th Jun 2025544 AMAQI

22°C15/32°C

10th Jun 2025495 AMAQI
10th Jun 2025556 AMAQI
10th Jun 2025567 AMAQI
10th Jun 2025578 AMAQI
10th Jun 2025629 AMAQI
10th Jun 20255710 AMAQI
10th Jun 20256111 AMAQI
10th Jun 20255612 PMAQI
10th Jun 2025491 PMAQI
10th Jun 2025582 PMAQI
10th Jun 2025493 PMAQI
10th Jun 2025524 PMAQI
10th Jun 2025545 PMAQI
10th Jun 2025556 PMAQI
10th Jun 2025557 PMAQI
10th Jun 2025528 PMAQI
10th Jun 2025569 PMAQI
10th Jun 20255710 PMAQI
10th Jun 20255811 PMAQI
11th Jun 20255612 AMAQI
11th Jun 2025531 AMAQI
11th Jun 2025532 AMAQI
11th Jun 2025553 AMAQI
11th Jun 2025544 AMAQI

18°C13/24°C

11th Jun 2025545 AMAQI
11th Jun 2025486 AMAQI
11th Jun 2025507 AMAQI
11th Jun 2025558 AMAQI
11th Jun 2025519 AMAQI
11th Jun 20255210 AMAQI
11th Jun 20255411 AMAQI
11th Jun 20255412 PMAQI
11th Jun 2025611 PMAQI
11th Jun 2025632 PMAQI
11th Jun 2025563 PMAQI
11th Jun 2025654 PMAQI
11th Jun 2025605 PMAQI
11th Jun 2025606 PMAQI
11th Jun 2025607 PMAQI
11th Jun 2025648 PMAQI
11th Jun 2025599 PMAQI
11th Jun 20255810 PMAQI
11th Jun 20257011 PMAQI
12th Jun 20256312 AMAQI
12th Jun 2025611 AMAQI
12th Jun 2025592 AMAQI
12th Jun 2025603 AMAQI
12th Jun 2025624 AMAQI

17°C12/23°C

12th Jun 2025695 AMAQI
12th Jun 2025696 AMAQI
12th Jun 2025657 AMAQI
12th Jun 2025628 AMAQI
12th Jun 2025649 AMAQI
12th Jun 20256710 AMAQI
12th Jun 20256411 AMAQI
12th Jun 20255912 PMAQI
12th Jun 2025611 PMAQI
12th Jun 2025562 PMAQI
12th Jun 2025593 PMAQI
12th Jun 2025594 PMAQI
12th Jun 2025585 PMAQI
12th Jun 2025586 PMAQI
12th Jun 2025587 PMAQI
12th Jun 2025598 PMAQI
12th Jun 2025649 PMAQI
12th Jun 20256610 PMAQI
12th Jun 20255611 PMAQI
13th Jun 20255512 AMAQI
13th Jun 2025591 AMAQI
13th Jun 2025612 AMAQI
13th Jun 2025603 AMAQI
13th Jun 2025614 AMAQI

14°C12/17°C

13th Jun 2025385 AMAQI
13th Jun 2025376 AMAQI
13th Jun 2025307 AMAQI
13th Jun 2025438 AMAQI
13th Jun 2025569 AMAQI
13th Jun 20255310 AMAQI
13th Jun 20256011 AMAQI
13th Jun 20256012 PMAQI
13th Jun 2025611 PMAQI
13th Jun 2025622 PMAQI
13th Jun 2025593 PMAQI
13th Jun 2025604 PMAQI
13th Jun 2025595 PMAQI
13th Jun 2025436 PMAQI
13th Jun 2025407 PMAQI
13th Jun 2025388 PMAQI
13th Jun 2025429 PMAQI
13th Jun 20254310 PMAQI
13th Jun 20253411 PMAQI
14th Jun 20253312 AMAQI
14th Jun 2025411 AMAQI
14th Jun 2025412 AMAQI
14th Jun 2025403 AMAQI
14th Jun 2025434 AMAQI

18°C13/24°C

14th Jun 2025325 AMAQI
14th Jun 2025266 AMAQI
14th Jun 2025247 AMAQI
14th Jun 2025258 AMAQI
14th Jun 2025259 AMAQI
14th Jun 20252710 AMAQI
14th Jun 20252911 AMAQI
14th Jun 20252812 PMAQI
14th Jun 2025251 PMAQI
14th Jun 2025252 PMAQI
14th Jun 2025273 PMAQI
14th Jun 2025274 PMAQI
14th Jun 2025315 PMAQI
14th Jun 2025336 PMAQI
14th Jun 2025307 PMAQI
14th Jun 2025288 PMAQI
14th Jun 2025269 PMAQI
14th Jun 20252410 PMAQI
14th Jun 20252611 PMAQI
15th Jun 20252612 AMAQI
15th Jun 2025251 AMAQI
15th Jun 2025272 AMAQI
15th Jun 2025283 AMAQI
15th Jun 2025274 AMAQI

16°C10/23°C

15th Jun 2025275 AMAQI
15th Jun 2025246 AMAQI
15th Jun 2025237 AMAQI
15th Jun 2025258 AMAQI
15th Jun 2025239 AMAQI
15th Jun 20252510 AMAQI
15th Jun 20252611 AMAQI
15th Jun 20252912 PMAQI
15th Jun 2025261 PMAQI
15th Jun 2025292 PMAQI
15th Jun 2025293 PMAQI
15th Jun 2025314 PMAQI
15th Jun 2025245 PMAQI
15th Jun 2025276 PMAQI
15th Jun 2025257 PMAQI
15th Jun 2025258 PMAQI
15th Jun 2025259 PMAQI
15th Jun 20252510 PMAQI
15th Jun 20252511 PMAQI
16th Jun 20252512 AMAQI
16th Jun 2025241 AMAQI
16th Jun 2025252 AMAQI
16th Jun 2025253 AMAQI
16th Jun 2025244 AMAQI

16°C10/24°C

16th Jun 2025275 AMAQI
16th Jun 2025266 AMAQI
16th Jun 2025267 AMAQI
16th Jun 2025288 AMAQI
16th Jun 2025299 AMAQI
16th Jun 20252910 AMAQI
16th Jun 20253011 AMAQI
16th Jun 20253312 PMAQI
16th Jun 2025371 PMAQI
16th Jun 2025362 PMAQI
16th Jun 2025293 PMAQI
16th Jun 2025284 PMAQI
16th Jun 2025285 PMAQI
16th Jun 2025326 PMAQI
16th Jun 2025297 PMAQI
16th Jun 2025278 PMAQI
16th Jun 2025339 PMAQI
16th Jun 20253010 PMAQI
16th Jun 20253311 PMAQI
17th Jun 20253112 AMAQI
17th Jun 2025311 AMAQI
17th Jun 2025332 AMAQI
17th Jun 2025333 AMAQI
17th Jun 2025344 AMAQI

17°C9/25°C

17th Jun 2025375 AMAQI
17th Jun 2025386 AMAQI
17th Jun 2025397 AMAQI
17th Jun 2025378 AMAQI
17th Jun 2025389 AMAQI
17th Jun 20253910 AMAQI
17th Jun 20254011 AMAQI
17th Jun 20254212 PMAQI
17th Jun 2025421 PMAQI
17th Jun 2025412 PMAQI
17th Jun 2025413 PMAQI
17th Jun 2025384 PMAQI
17th Jun 2025395 PMAQI
17th Jun 2025376 PMAQI
17th Jun 2025377 PMAQI
17th Jun 2025408 PMAQI
17th Jun 2025379 PMAQI
17th Jun 20253810 PMAQI
17th Jun 20253811 PMAQI
18th Jun 20253812 AMAQI
18th Jun 2025381 AMAQI
18th Jun 2025382 AMAQI
18th Jun 2025373 AMAQI
18th Jun 2025384 AMAQI

18°C11/25°C

18th Jun 2025395 AMAQI
18th Jun 2025406 AMAQI
18th Jun 2025417 AMAQI
18th Jun 2025418 AMAQI
18th Jun 2025439 AMAQI
18th Jun 20254510 AMAQI
18th Jun 20254611 AMAQI
18th Jun 20254912 PMAQI
18th Jun 2025491 PMAQI
18th Jun 2025472 PMAQI
18th Jun 2025433 PMAQI
18th Jun 2025434 PMAQI
18th Jun 2025435 PMAQI
18th Jun 2025436 PMAQI
18th Jun 2025427 PMAQI
18th Jun 2025408 PMAQI
18th Jun 2025429 PMAQI
18th Jun 20254110 PMAQI
18th Jun 20253911 PMAQI
19th Jun 20253712 AMAQI
19th Jun 2025371 AMAQI
19th Jun 2025372 AMAQI
19th Jun 2025393 AMAQI
19th Jun 2025394 AMAQI

18°C10/25°C

19th Jun 2025375 AMAQI
19th Jun 2025376 AMAQI
19th Jun 2025357 AMAQI
19th Jun 2025348 AMAQI
19th Jun 2025329 AMAQI
19th Jun 20253110 AMAQI
19th Jun 20253211 AMAQI
19th Jun 20253312 PMAQI
19th Jun 2025321 PMAQI
19th Jun 2025322 PMAQI
19th Jun 2025293 PMAQI
19th Jun 2025304 PMAQI
19th Jun 2025325 PMAQI
19th Jun 2025326 PMAQI
19th Jun 2025327 PMAQI
19th Jun 2025328 PMAQI
19th Jun 2025339 PMAQI
19th Jun 20253210 PMAQI
19th Jun 20252711 PMAQI
20th Jun 20252712 AMAQI
20th Jun 2025271 AMAQI
20th Jun 2025272 AMAQI
20th Jun 2025263 AMAQI
20th Jun 2025334 AMAQI

16°C10/23°C

20th Jun 2025305 AMAQI
20th Jun 2025286 AMAQI
20th Jun 2025297 AMAQI
20th Jun 2025308 AMAQI
20th Jun 2025329 AMAQI
20th Jun 20253610 AMAQI
20th Jun 20253811 AMAQI
20th Jun 20254012 PMAQI
20th Jun 2025421 PMAQI
20th Jun 2025412 PMAQI
20th Jun 2025403 PMAQI
20th Jun 2025394 PMAQI
20th Jun 2025365 PMAQI
20th Jun 2025366 PMAQI
20th Jun 2025377 PMAQI
20th Jun 2025388 PMAQI
20th Jun 2025359 PMAQI
20th Jun 20253410 PMAQI
20th Jun 20253211 PMAQI
21st Jun 20253012 AMAQI
21st Jun 2025281 AMAQI
21st Jun 2025302 AMAQI
21st Jun 2025263 AMAQI
21st Jun 2025274 AMAQI

12°C11/12°C

21st Jun 2025245 AMAQI
21st Jun 2025256 AMAQI
21st Jun 2025247 AMAQI
21st Jun 2025228 AMAQI
21st Jun 2025229 AMAQI
21st Jun 20252210 AMAQI
21st Jun 20252211 AMAQI
21st Jun 20252212 PMAQI
21st Jun 2025221 PMAQI
21st Jun 2025222 PMAQI
21st Jun 2025223 PMAQI
21st Jun 2025224 PMAQI
21st Jun 2025225 PMAQI
21st Jun 2025226 PMAQI
21st Jun 2025227 PMAQI
21st Jun 2025228 PMAQI
21st Jun 2025229 PMAQI
21st Jun 20252210 PMAQI
21st Jun 20252211 PMAQI
22nd Jun 20252212 AMAQI
22nd Jun 2025221 AMAQI
22nd Jun 2025222 AMAQI
22nd Jun 2025223 AMAQI
22nd Jun 2025224 AMAQI

8°C7/10°C

22nd Jun 2025225 AMAQI
22nd Jun 2025226 AMAQI
22nd Jun 2025227 AMAQI
22nd Jun 2025228 AMAQI
22nd Jun 2025229 AMAQI
22nd Jun 20252210 AMAQI
22nd Jun 20252211 AMAQI
22nd Jun 20252212 PMAQI
22nd Jun 2025221 PMAQI
22nd Jun 2025222 PMAQI
22nd Jun 2025223 PMAQI
22nd Jun 2025224 PMAQI
22nd Jun 2025225 PMAQI
22nd Jun 2025226 PMAQI
22nd Jun 2025227 PMAQI
22nd Jun 2025218 PMAQI
22nd Jun 2025279 PMAQI
22nd Jun 20252910 PMAQI
22nd Jun 20252411 PMAQI
23rd Jun 20252312 AMAQI
23rd Jun 2025281 AMAQI
23rd Jun 2025312 AMAQI
23rd Jun 2025303 AMAQI
23rd Jun 2025244 AMAQI

10°C4/15°C

23rd Jun 2025385 AMAQI
23rd Jun 2025456 AMAQI
23rd Jun 2025447 AMAQI
23rd Jun 2025408 AMAQI
23rd Jun 2025429 AMAQI
23rd Jun 20254110 AMAQI
23rd Jun 20254311 AMAQI
23rd Jun 20254412 PMAQI
23rd Jun 2025451 PMAQI
23rd Jun 2025472 PMAQI
23rd Jun 2025443 PMAQI
23rd Jun 2025414 PMAQI
23rd Jun 2025395 PMAQI
23rd Jun 2025416 PMAQI
23rd Jun 2025437 PMAQI
23rd Jun 2025448 PMAQI
23rd Jun 2025419 PMAQI
23rd Jun 20254010 PMAQI
23rd Jun 20254111 PMAQI
24th Jun 20254112 AMAQI
24th Jun 2025401 AMAQI
24th Jun 2025402 AMAQI
24th Jun 2025403 AMAQI
24th Jun 2025404 AMAQI

12°C5/19°C

24th Jun 2025445 AMAQI
24th Jun 2025536 AMAQI
24th Jun 2025557 AMAQI
24th Jun 2025548 AMAQI
24th Jun 2025529 AMAQI
24th Jun 20255010 AMAQI
24th Jun 20254711 AMAQI
24th Jun 20254912 PMAQI
24th Jun 2025491 PMAQI
24th Jun 2025502 PMAQI
24th Jun 2025503 PMAQI
24th Jun 2025494 PMAQI
24th Jun 2025505 PMAQI
24th Jun 2025506 PMAQI
24th Jun 2025497 PMAQI
24th Jun 2025498 PMAQI
24th Jun 2025489 PMAQI
24th Jun 20254810 PMAQI
24th Jun 20254811 PMAQI
25th Jun 20254812 AMAQI
25th Jun 2025491 AMAQI
25th Jun 2025492 AMAQI
25th Jun 2025473 AMAQI
25th Jun 2025484 AMAQI

15°C7/22°C

25th Jun 2025505 AMAQI
25th Jun 2025506 AMAQI
25th Jun 2025507 AMAQI
25th Jun 2025508 AMAQI
25th Jun 2025509 AMAQI
25th Jun 20254910 AMAQI
25th Jun 20254811 AMAQI
25th Jun 20254812 PMAQI
25th Jun 2025491 PMAQI
25th Jun 2025492 PMAQI
25th Jun 2025473 PMAQI
25th Jun 2025454 PMAQI
25th Jun 2025475 PMAQI
25th Jun 2025486 PMAQI
25th Jun 2025487 PMAQI
25th Jun 2025488 PMAQI
25th Jun 2025489 PMAQI
25th Jun 20254810 PMAQI
25th Jun 20253911 PMAQI
26th Jun 20253612 AMAQI
26th Jun 2025361 AMAQI
26th Jun 2025362 AMAQI
26th Jun 2025353 AMAQI
26th Jun 2025354 AMAQI

18°C10/24°C

26th Jun 2025285 AMAQI
26th Jun 2025266 AMAQI
26th Jun 2025287 AMAQI
26th Jun 2025308 AMAQI
26th Jun 2025309 AMAQI
26th Jun 20253110 AMAQI
26th Jun 20253211 AMAQI
26th Jun 20253212 PMAQI
26th Jun 2025321 PMAQI
26th Jun 2025322 PMAQI
26th Jun 2025323 PMAQI
26th Jun 2025324 PMAQI
26th Jun 2025315 PMAQI
26th Jun 2025316 PMAQI
26th Jun 2025327 PMAQI
26th Jun 2025328 PMAQI
26th Jun 2025319 PMAQI
26th Jun 20253210 PMAQI
26th Jun 20253111 PMAQI
27th Jun 20253012 AMAQI
27th Jun 2025291 AMAQI
27th Jun 2025292 AMAQI
27th Jun 2025283 AMAQI
27th Jun 2025284 AMAQI

18°C10/23°C

27th Jun 2025275 AMAQI
27th Jun 2025286 AMAQI
27th Jun 2025297 AMAQI
27th Jun 2025298 AMAQI
27th Jun 2025299 AMAQI
27th Jun 20253010 AMAQI
27th Jun 20253111 AMAQI
27th Jun 20253112 PMAQI
27th Jun 2025321 PMAQI
27th Jun 2025322 PMAQI
27th Jun 2025293 PMAQI
27th Jun 2025264 PMAQI
27th Jun 2025265 PMAQI
27th Jun 2025246 PMAQI
27th Jun 2025237 PMAQI
27th Jun 2025238 PMAQI
27th Jun 2025269 PMAQI
27th Jun 20252510 PMAQI
27th Jun 20252311 PMAQI
28th Jun 20252212 AMAQI
28th Jun 2025241 AMAQI
28th Jun 2025252 AMAQI
28th Jun 2025253 AMAQI
28th Jun 2025254 AMAQI

17°C9/25°C

28th Jun 2025225 AMAQI
28th Jun 2025176 AMAQI
28th Jun 2025167 AMAQI
28th Jun 2025178 AMAQI
28th Jun 2025189 AMAQI
28th Jun 20251810 AMAQI
28th Jun 20251811 AMAQI
28th Jun 20251812 PMAQI
28th Jun 2025171 PMAQI
28th Jun 2025152 PMAQI
28th Jun 2025153 PMAQI
28th Jun 2025154 PMAQI
28th Jun 2025175 PMAQI
28th Jun 2025186 PMAQI
28th Jun 2025187 PMAQI
28th Jun 2025178 PMAQI
28th Jun 2025179 PMAQI
28th Jun 20251710 PMAQI
28th Jun 20251611 PMAQI
29th Jun 20251512 AMAQI
29th Jun 2025151 AMAQI
29th Jun 2025152 AMAQI
29th Jun 2025183 AMAQI
29th Jun 2025204 AMAQI

15°C10/21°C

29th Jun 2025185 AMAQI
29th Jun 2025176 AMAQI
29th Jun 2025197 AMAQI
29th Jun 2025158 AMAQI
29th Jun 2025169 AMAQI
29th Jun 20251610 AMAQI
29th Jun 20251711 AMAQI
29th Jun 20251712 PMAQI
29th Jun 2025171 PMAQI
29th Jun 2025152 PMAQI
29th Jun 2025153 PMAQI
29th Jun 2025164 PMAQI
29th Jun 2025165 PMAQI
29th Jun 2025166 PMAQI
29th Jun 2025167 PMAQI
29th Jun 2025168 PMAQI
29th Jun 2025169 PMAQI
29th Jun 20251610 PMAQI
29th Jun 20251711 PMAQI
30th Jun 20251712 AMAQI
30th Jun 2025181 AMAQI
30th Jun 2025172 AMAQI
30th Jun 2025183 AMAQI
30th Jun 2025204 AMAQI

19°C11/26°C

30th Jun 2025275 AMAQI
30th Jun 2025246 AMAQI
30th Jun 2025257 AMAQI
30th Jun 2025248 AMAQI
30th Jun 2025249 AMAQI
30th Jun 20252510 AMAQI
30th Jun 20252511 AMAQI
30th Jun 20252612 PMAQI
30th Jun 2025251 PMAQI
30th Jun 2025252 PMAQI
30th Jun 2025253 PMAQI
30th Jun 2025244 PMAQI
30th Jun 2025235 PMAQI
30th Jun 2025236 PMAQI
30th Jun 2025237 PMAQI
30th Jun 2025228 PMAQI
30th Jun 2025229 PMAQI
30th Jun 20252210 PMAQI
30th Jun 20252211 PMAQI
1st Jul 20252112 AMAQI
1st Jul 2025211 AMAQI
1st Jul 2025232 AMAQI
1st Jul 2025263 AMAQI
1st Jul 2025274 AMAQI

21°C10/29°C

1st Jul 2025325 AMAQI
1st Jul 2025406 AMAQI
1st Jul 2025397 AMAQI
1st Jul 2025358 AMAQI
1st Jul 2025339 AMAQI
1st Jul 20253310 AMAQI
1st Jul 20253311 AMAQI
1st Jul 20253312 PMAQI
1st Jul 2025331 PMAQI
1st Jul 2025322 PMAQI
1st Jul 2025293 PMAQI
1st Jul 2025274 PMAQI
1st Jul 2025285 PMAQI
1st Jul 2025286 PMAQI
1st Jul 2025287 PMAQI
1st Jul 2025298 PMAQI
1st Jul 2025299 PMAQI
1st Jul 20252810 PMAQI
1st Jul 20252611 PMAQI
2nd Jul 20252612 AMAQI
2nd Jul 2025261 AMAQI
2nd Jul 2025282 AMAQI
2nd Jul 2025303 AMAQI
2nd Jul 2025304 AMAQI

22°C12/31°C

5 AM
1 PM
9 PM
1 AM
4 AM

0°C0/0°C

Day time
Avg. Highest Time
5 AM - 9 PM

36AQI

17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM

36AQI

17 hours / Day
510 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 PM (Avg. 36), while the lowest AQI was between 5 AM to 9 PM (Avg. 36).
Night time
Avg. Highest Time
12 AM - 10 PM

35AQI

6 hours / Day
180 hours / Month
Avg. Lowest Time
12 AM - 11 PM

35AQI

7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 10 PM (Avg. 35), while the lowest AQI was between 12 AM to 11 PM (Avg. 35).

2025 Days Vs Air Quality

Calgary, Alberta, Canada

2025

94%

171

6%

11

Total number of days with different AQI categories in last 183 days in 2025 (182 days remaining)

Good
171 Days
Moderate
11 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 94%

Health Risk Level:

Very Low

In 2025, 94% of 183 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

Calgary, Alberta, Canada

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
45AQI
2nd January 2025
53AQI
3rd January 2025
55AQI
4th January 2025
33AQI
5th January 2025
51AQI
6th January 2025
54AQI
7th January 2025
38AQI
8th January 2025
29AQI
9th January 2025
32AQI
10th January 2025
35AQI
11th January 2025
28AQI
12th January 2025
37AQI
13th January 2025
37AQI
14th January 2025
33AQI
15th January 2025
31AQI
16th January 2025
31AQI
17th January 2025
27AQI
18th January 2025
30AQI
19th January 2025
46AQI
20th January 2025
49AQI
21st January 2025
33AQI
22nd January 2025
32AQI
23rd January 2025
36AQI
24th January 2025
28AQI
25th January 2025
32AQI
26th January 2025
38AQI
27th January 2025
33AQI
28th January 2025
35AQI
29th January 2025
40AQI
30th January 2025
38AQI
31st January 2025
47AQI
1st February 2025
44AQI
2nd February 2025
32AQI
3rd February 2025
34AQI
4th February 2025
33AQI
5th February 2025
33AQI
6th February 2025
31AQI
7th February 2025
45AQI
8th February 2025
44AQI
9th February 2025
40AQI
10th February 2025
36AQI
11th February 2025
35AQI
12th February 2025
40AQI
13th February 2025
54AQI
14th February 2025
30AQI
15th February 2025
26AQI
16th February 2025
55AQI
17th February 2025
45AQI
18th February 2025
23AQI
19th February 2025
31AQI
20th February 2025
35AQI
21st February 2025
23AQI
22nd February 2025
19AQI
23rd February 2025
17AQI
24th February 2025
16AQI
25th February 2025
24AQI
26th February 2025
19AQI
27th February 2025
19AQI
28th February 2025
24AQI
1st March 2025
30AQI
2nd March 2025
31AQI
3rd March 2025
21AQI
4th March 2025
22AQI
5th March 2025
23AQI
6th March 2025
27AQI
7th March 2025
18AQI
8th March 2025
13AQI
9th March 2025
24AQI
10th March 2025
19AQI
11th March 2025
18AQI
12th March 2025
19AQI
13th March 2025
30AQI
14th March 2025
32AQI
15th March 2025
35AQI
16th March 2025
35AQI
17th March 2025
40AQI
18th March 2025
43AQI
19th March 2025
40AQI
20th March 2025
36AQI
21st March 2025
29AQI
22nd March 2025
21AQI
23rd March 2025
23AQI
24th March 2025
28AQI
25th March 2025
24AQI
26th March 2025
26AQI
27th March 2025
26AQI
28th March 2025
28AQI
29th March 2025
21AQI
30th March 2025
28AQI
31st March 2025
25AQI
1st April 2025
34AQI
2nd April 2025
31AQI
3rd April 2025
25AQI
4th April 2025
27AQI
5th April 2025
25AQI
6th April 2025
27AQI
7th April 2025
34AQI
8th April 2025
21AQI
9th April 2025
23AQI
10th April 2025
28AQI
11th April 2025
30AQI
12th April 2025
32AQI
13th April 2025
20AQI
14th April 2025
29AQI
15th April 2025
29AQI
16th April 2025
23AQI
17th April 2025
19AQI
18th April 2025
25AQI
19th April 2025
25AQI
20th April 2025
20AQI
21st April 2025
25AQI
22nd April 2025
17AQI
23rd April 2025
25AQI
24th April 2025
36AQI
25th April 2025
35AQI
26th April 2025
33AQI
27th April 2025
33AQI
28th April 2025
31AQI
29th April 2025
19AQI
30th April 2025
19AQI
1st May 2025
29AQI
2nd May 2025
31AQI
3rd May 2025
42AQI
4th May 2025
23AQI
5th May 2025
17AQI
6th May 2025
28AQI
7th May 2025
29AQI
8th May 2025
29AQI
9th May 2025
26AQI
10th May 2025
32AQI
11th May 2025
27AQI
12th May 2025
28AQI
13th May 2025
25AQI
14th May 2025
34AQI
15th May 2025
22AQI
16th May 2025
38AQI
17th May 2025
32AQI
18th May 2025
34AQI
19th May 2025
21AQI
20th May 2025
17AQI
21st May 2025
15AQI
22nd May 2025
20AQI
23rd May 2025
25AQI
24th May 2025
24AQI
25th May 2025
29AQI
26th May 2025
28AQI
27th May 2025
19AQI
28th May 2025
23AQI
29th May 2025
36AQI
30th May 2025
28AQI
31st May 2025
27AQI
1st June 2025
19AQI
2nd June 2025
21AQI
3rd June 2025
27AQI
4th June 2025
39AQI
5th June 2025
37AQI
6th June 2025
30AQI
7th June 2025
39AQI
8th June 2025
53AQI
9th June 2025
55AQI
10th June 2025
55AQI
11th June 2025
57AQI
12th June 2025
62AQI
13th June 2025
50AQI
14th June 2025
30AQI
15th June 2025
26AQI
16th June 2025
28AQI
17th June 2025
37AQI
18th June 2025
41AQI
19th June 2025
34AQI
20th June 2025
33AQI
21st June 2025
25AQI
22nd June 2025
23AQI
23rd June 2025
37AQI
24th June 2025
47AQI
25th June 2025
48AQI
26th June 2025
32AQI
27th June 2025
28AQI
28th June 2025
19AQI
29th June 2025
16AQI
30th June 2025
22AQI
1st July 2025
28AQI

38AQI

32AQI

27AQI

27AQI

27AQI

36AQI

28AQI


No. of days

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

202531AQI

27
4
26
2
31
30
31
25
5
1
171
11

Highest AQI recorded in

January

38AQI


Lowest AQI recorded in

April

27AQI


202436AQI

21
8
2
26
3
26
5
30
28
2
1
29
17
13
1
16
11
4
27
3
31
25
5
21
10
297
60
8

Highest AQI recorded in

August

53AQI


Lowest AQI recorded in

June

21AQI


202343AQI

29
2
26
2
20
11
30
18
9
1
2
1
19
9
2
15
11
5
8
21
2
20
7
2
1
29
2
25
4
26
5
265
83
12
3
1

Highest AQI recorded in

May

62AQI


Lowest AQI recorded in

April

24AQI


202229AQI

26
4
22
29
2
30
31
29
1
22
2
1
16
11
2
25
6
30
25
6
287
31
2

Highest AQI recorded in

September

53AQI


Lowest AQI recorded in

February

20AQI


202130AQI

28
2
25
3
31
30
31
30
13
12
5
1
21
6
4
28
2
30
1
30
28
3
325
28
10
1

Highest AQI recorded in

July

70AQI


Lowest AQI recorded in

May

18AQI


202024AQI

12
1
20
18
30
31
31
24
4
2
29
1
30
30
1
255
7
2

Highest AQI recorded in

September

32AQI


Lowest AQI recorded in

June

16AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
43AQI
Least Polluted Year Recorded
2020(Avg.)
24AQI


Calgary's annual 2025 AQI (31) shows an average percentage change of -0.1% (improved AQI) compared to previous years: 2020 (24), 2021 (30), 2022 (29), 2023 (43), 2024 (36).