Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Northwest Calgary, 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

Northwest Calgary, Calgary, Alberta, Canada

2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
24th Jul 2026
148AQI
Lowest AQI recorded on
6th Jul 2026
15AQI

Same Day Analysis (30th July):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 50 of Good air quality on the same day.

Day & Night AQI Trend: 30th Jul - 31st Jul 2026

Northwest Calgary, Calgary, Alberta, Canada

AQI
Day
Night
.

5 AM30th Jul 2026

9 PM

4 AM31st Jul 2026

Day time
Avg. Highest Time
9PM30th Jul

62AQI

Avg. Lowest Time
5PM30th Jul

42AQI

Night time
Avg. Highest Time
11PM30th Jul

66AQI

Avg. Lowest Time
4AM31st Jul

58AQI

In the last 24 hours,

Northwest Calgary's AQI reached its highest point of 66 at 11 PM during the Night, while the lowest point, 42, was recorded at 5 PM during the Day between 30th Jul and 31st Jul 2026.

Day & Night AQI Trend : Jul 2026

Northwest Calgary, Calgary, Alberta, Canada

Jul
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 - 31st31st
Day
Night
2nd Jul 2026105 AMAQI
2nd Jul 2026216 AMAQI
2nd Jul 2026217 AMAQI
2nd Jul 2026168 AMAQI
2nd Jul 2026279 AMAQI
2nd Jul 20262310 AMAQI
2nd Jul 20262311 AMAQI
2nd Jul 20262112 PMAQI
2nd Jul 2026271 PMAQI
2nd Jul 2026462 PMAQI
2nd Jul 2026283 PMAQI
2nd Jul 2026304 PMAQI
2nd Jul 2026275 PMAQI
2nd Jul 2026306 PMAQI
2nd Jul 2026317 PMAQI
2nd Jul 2026288 PMAQI
2nd Jul 2026249 PMAQI
2nd Jul 20262610 PMAQI
2nd Jul 20262511 PMAQI
3rd Jul 20262812 AMAQI
3rd Jul 2026101 AMAQI
3rd Jul 202682 AMAQI
3rd Jul 2026103 AMAQI
3rd Jul 2026104 AMAQI

17°C10/23°C

3rd Jul 2026125 AMAQI
3rd Jul 2026106 AMAQI
3rd Jul 2026157 AMAQI
3rd Jul 2026108 AMAQI
3rd Jul 2026109 AMAQI
3rd Jul 20261110 AMAQI
3rd Jul 20261011 AMAQI
3rd Jul 2026812 PMAQI
3rd Jul 202681 PMAQI
3rd Jul 202682 PMAQI
3rd Jul 2026263 PMAQI
3rd Jul 2026294 PMAQI
3rd Jul 2026285 PMAQI
3rd Jul 2026296 PMAQI
3rd Jul 2026307 PMAQI
3rd Jul 2026298 PMAQI
3rd Jul 2026269 PMAQI
3rd Jul 20262410 PMAQI
3rd Jul 20262511 PMAQI
4th Jul 20262612 AMAQI
4th Jul 2026251 AMAQI
4th Jul 2026102 AMAQI
4th Jul 2026123 AMAQI
4th Jul 2026104 AMAQI

18°C12/24°C

4th Jul 2026125 AMAQI
4th Jul 202696 AMAQI
4th Jul 2026127 AMAQI
4th Jul 2026138 AMAQI
4th Jul 2026109 AMAQI
4th Jul 20261310 AMAQI
4th Jul 20261511 AMAQI
4th Jul 20261412 PMAQI
4th Jul 2026111 PMAQI
4th Jul 202692 PMAQI
4th Jul 2026253 PMAQI
4th Jul 2026264 PMAQI
4th Jul 2026265 PMAQI
4th Jul 2026246 PMAQI
4th Jul 2026247 PMAQI
4th Jul 2026208 PMAQI
4th Jul 2026229 PMAQI
4th Jul 20262110 PMAQI
4th Jul 20262111 PMAQI
5th Jul 20262212 AMAQI
5th Jul 2026221 AMAQI
5th Jul 2026282 AMAQI
5th Jul 202693 AMAQI
5th Jul 2026104 AMAQI

19°C12/25°C

5th Jul 2026165 AMAQI
5th Jul 2026276 AMAQI
5th Jul 2026277 AMAQI
5th Jul 2026218 AMAQI
5th Jul 2026129 AMAQI
5th Jul 20261210 AMAQI
5th Jul 20261111 AMAQI
5th Jul 20261612 PMAQI
5th Jul 2026141 PMAQI
5th Jul 2026112 PMAQI
5th Jul 202683 PMAQI
5th Jul 2026264 PMAQI
5th Jul 2026285 PMAQI
5th Jul 2026296 PMAQI
5th Jul 2026287 PMAQI
5th Jul 2026238 PMAQI
5th Jul 2026149 PMAQI
5th Jul 20261710 PMAQI
5th Jul 20261511 PMAQI
6th Jul 20261012 AMAQI
6th Jul 2026211 AMAQI
6th Jul 2026182 AMAQI
6th Jul 2026193 AMAQI
6th Jul 2026214 AMAQI

15°C11/19°C

6th Jul 2026165 AMAQI
6th Jul 202696 AMAQI
6th Jul 2026107 AMAQI
6th Jul 2026218 AMAQI
6th Jul 2026189 AMAQI
6th Jul 20261410 AMAQI
6th Jul 20261411 AMAQI
6th Jul 20262912 PMAQI
6th Jul 2026151 PMAQI
6th Jul 2026142 PMAQI
6th Jul 2026163 PMAQI
6th Jul 2026124 PMAQI
6th Jul 202695 PMAQI
6th Jul 2026286 PMAQI
6th Jul 202697 PMAQI
6th Jul 2026108 PMAQI
6th Jul 2026109 PMAQI
6th Jul 20261210 PMAQI
6th Jul 20261211 PMAQI
7th Jul 20261612 AMAQI
7th Jul 2026161 AMAQI
7th Jul 2026172 AMAQI
7th Jul 2026163 AMAQI
7th Jul 2026214 AMAQI

15°C7/23°C

7th Jul 2026235 AMAQI
7th Jul 2026216 AMAQI
7th Jul 2026257 AMAQI
7th Jul 2026238 AMAQI
7th Jul 2026299 AMAQI
7th Jul 20262310 AMAQI
7th Jul 20262311 AMAQI
7th Jul 20262412 PMAQI
7th Jul 2026271 PMAQI
7th Jul 2026202 PMAQI
7th Jul 2026193 PMAQI
7th Jul 2026184 PMAQI
7th Jul 2026145 PMAQI
7th Jul 2026106 PMAQI
7th Jul 202687 PMAQI
7th Jul 2026108 PMAQI
7th Jul 2026169 PMAQI
7th Jul 20261410 PMAQI
7th Jul 20261411 PMAQI
8th Jul 20262112 AMAQI
8th Jul 2026231 AMAQI
8th Jul 2026162 AMAQI
8th Jul 2026233 AMAQI
8th Jul 2026214 AMAQI

19°C10/29°C

8th Jul 2026235 AMAQI
8th Jul 2026216 AMAQI
8th Jul 2026237 AMAQI
8th Jul 2026258 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262310 AMAQI
8th Jul 20262111 AMAQI
8th Jul 20262312 PMAQI
8th Jul 2026231 PMAQI
8th Jul 2026212 PMAQI
8th Jul 2026253 PMAQI
8th Jul 2026244 PMAQI
8th Jul 2026255 PMAQI
8th Jul 2026256 PMAQI
8th Jul 2026237 PMAQI
8th Jul 2026108 PMAQI
8th Jul 2026269 PMAQI
8th Jul 2026910 PMAQI
8th Jul 20262911 PMAQI
9th Jul 20264012 AMAQI
9th Jul 2026421 AMAQI
9th Jul 2026482 AMAQI
9th Jul 2026563 AMAQI
9th Jul 2026554 AMAQI

21°C15/29°C

9th Jul 2026575 AMAQI
9th Jul 2026596 AMAQI
9th Jul 2026527 AMAQI
9th Jul 2026608 AMAQI
9th Jul 2026629 AMAQI
9th Jul 20266210 AMAQI
9th Jul 20265911 AMAQI
9th Jul 20265612 PMAQI
9th Jul 2026561 PMAQI
9th Jul 2026562 PMAQI
9th Jul 2026503 PMAQI
9th Jul 2026404 PMAQI
9th Jul 2026345 PMAQI
9th Jul 2026296 PMAQI
9th Jul 2026327 PMAQI
9th Jul 2026308 PMAQI
9th Jul 2026219 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20261411 PMAQI
10th Jul 20263112 AMAQI
10th Jul 2026361 AMAQI
10th Jul 2026462 AMAQI
10th Jul 2026513 AMAQI
10th Jul 2026494 AMAQI

20°C14/28°C

10th Jul 2026365 AMAQI
10th Jul 2026336 AMAQI
10th Jul 2026387 AMAQI
10th Jul 2026348 AMAQI
10th Jul 2026259 AMAQI
10th Jul 20262110 AMAQI
10th Jul 20262511 AMAQI
10th Jul 20263312 PMAQI
10th Jul 2026201 PMAQI
10th Jul 2026132 PMAQI
10th Jul 2026123 PMAQI
10th Jul 202694 PMAQI
10th Jul 2026345 PMAQI
10th Jul 202686 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026359 PMAQI
10th Jul 20263010 PMAQI
10th Jul 20264411 PMAQI
11th Jul 20263112 AMAQI
11th Jul 2026261 AMAQI
11th Jul 202682 AMAQI
11th Jul 2026143 AMAQI
11th Jul 2026184 AMAQI

22°C14/30°C

11th Jul 2026175 AMAQI
11th Jul 2026186 AMAQI
11th Jul 2026187 AMAQI
11th Jul 2026178 AMAQI
11th Jul 2026169 AMAQI
11th Jul 20261610 AMAQI
11th Jul 20261811 AMAQI
11th Jul 20261812 PMAQI
11th Jul 2026181 PMAQI
11th Jul 2026142 PMAQI
11th Jul 2026363 PMAQI
11th Jul 2026234 PMAQI
11th Jul 2026105 PMAQI
11th Jul 2026146 PMAQI
11th Jul 2026327 PMAQI
11th Jul 2026258 PMAQI
11th Jul 202699 PMAQI
11th Jul 2026910 PMAQI
11th Jul 20262611 PMAQI
12th Jul 20262512 AMAQI
12th Jul 2026241 AMAQI
12th Jul 2026272 AMAQI
12th Jul 2026233 AMAQI
12th Jul 2026254 AMAQI

22°C13/31°C

12th Jul 2026275 AMAQI
12th Jul 2026276 AMAQI
12th Jul 2026277 AMAQI
12th Jul 2026258 AMAQI
12th Jul 2026239 AMAQI
12th Jul 20262110 AMAQI
12th Jul 20261911 AMAQI
12th Jul 20262312 PMAQI
12th Jul 2026311 PMAQI
12th Jul 2026272 PMAQI
12th Jul 2026253 PMAQI
12th Jul 2026234 PMAQI
12th Jul 2026235 PMAQI
12th Jul 202686 PMAQI
12th Jul 202687 PMAQI
12th Jul 2026298 PMAQI
12th Jul 2026339 PMAQI
12th Jul 20262710 PMAQI
12th Jul 20262811 PMAQI
13th Jul 20262212 AMAQI
13th Jul 2026221 AMAQI
13th Jul 2026242 AMAQI
13th Jul 2026103 AMAQI
13th Jul 2026164 AMAQI

21°C12/30°C

13th Jul 2026195 AMAQI
13th Jul 2026166 AMAQI
13th Jul 2026167 AMAQI
13th Jul 2026188 AMAQI
13th Jul 2026229 AMAQI
13th Jul 20264010 AMAQI
13th Jul 20265511 AMAQI
13th Jul 20264812 PMAQI
13th Jul 2026461 PMAQI
13th Jul 2026402 PMAQI
13th Jul 2026383 PMAQI
13th Jul 2026314 PMAQI
13th Jul 2026325 PMAQI
13th Jul 2026306 PMAQI
13th Jul 2026307 PMAQI
13th Jul 2026328 PMAQI
13th Jul 2026379 PMAQI
13th Jul 20262710 PMAQI
13th Jul 20262611 PMAQI
14th Jul 20262512 AMAQI
14th Jul 2026341 AMAQI
14th Jul 2026362 AMAQI
14th Jul 2026363 AMAQI
14th Jul 2026334 AMAQI

21°C14/31°C

14th Jul 2026315 AMAQI
14th Jul 2026256 AMAQI
14th Jul 2026217 AMAQI
14th Jul 2026218 AMAQI
14th Jul 2026219 AMAQI
14th Jul 20262110 AMAQI
14th Jul 20262311 AMAQI
14th Jul 20262312 PMAQI
14th Jul 2026311 PMAQI
14th Jul 2026272 PMAQI
14th Jul 2026273 PMAQI
14th Jul 2026294 PMAQI
14th Jul 2026295 PMAQI
14th Jul 2026396 PMAQI
14th Jul 2026387 PMAQI
14th Jul 2026348 PMAQI
14th Jul 2026309 PMAQI
14th Jul 20262510 PMAQI
14th Jul 20262111 PMAQI
15th Jul 20262012 AMAQI
15th Jul 2026211 AMAQI
15th Jul 2026212 AMAQI
15th Jul 2026233 AMAQI
15th Jul 2026234 AMAQI

21°C13/30°C

15th Jul 2026235 AMAQI
15th Jul 2026216 AMAQI
15th Jul 2026257 AMAQI
15th Jul 2026218 AMAQI
15th Jul 2026259 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20262311 AMAQI
15th Jul 20262512 PMAQI
15th Jul 2026271 PMAQI
15th Jul 2026232 PMAQI
15th Jul 2026243 PMAQI
15th Jul 2026324 PMAQI
15th Jul 2026405 PMAQI
15th Jul 2026386 PMAQI
15th Jul 2026427 PMAQI
15th Jul 2026408 PMAQI
15th Jul 2026389 PMAQI
15th Jul 20263210 PMAQI
15th Jul 20262511 PMAQI
16th Jul 20262312 AMAQI
16th Jul 2026331 AMAQI
16th Jul 2026292 AMAQI
16th Jul 2026313 AMAQI
16th Jul 2026344 AMAQI

21°C14/30°C

16th Jul 2026365 AMAQI
16th Jul 2026406 AMAQI
16th Jul 2026387 AMAQI
16th Jul 2026298 AMAQI
16th Jul 2026299 AMAQI
16th Jul 20263310 AMAQI
16th Jul 20264011 AMAQI
16th Jul 20264012 PMAQI
16th Jul 2026421 PMAQI
16th Jul 2026442 PMAQI
16th Jul 2026423 PMAQI
16th Jul 2026404 PMAQI
16th Jul 2026295 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026317 PMAQI
16th Jul 2026318 PMAQI
16th Jul 2026319 PMAQI
16th Jul 20263110 PMAQI
16th Jul 20262711 PMAQI
17th Jul 20262312 AMAQI
17th Jul 2026291 AMAQI
17th Jul 2026312 AMAQI
17th Jul 2026333 AMAQI
17th Jul 2026314 AMAQI

23°C14/32°C

17th Jul 2026485 AMAQI
17th Jul 2026466 AMAQI
17th Jul 2026487 AMAQI
17th Jul 2026488 AMAQI
17th Jul 2026509 AMAQI
17th Jul 20265110 AMAQI
17th Jul 20265211 AMAQI
17th Jul 20265512 PMAQI
17th Jul 2026531 PMAQI
17th Jul 2026522 PMAQI
17th Jul 2026523 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026535 PMAQI
17th Jul 2026526 PMAQI
17th Jul 2026557 PMAQI
17th Jul 2026538 PMAQI
17th Jul 2026519 PMAQI
17th Jul 20264810 PMAQI
17th Jul 20264611 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026421 AMAQI
18th Jul 2026422 AMAQI
18th Jul 2026423 AMAQI
18th Jul 2026424 AMAQI

24°C16/34°C

18th Jul 2026425 AMAQI
18th Jul 2026446 AMAQI
18th Jul 2026447 AMAQI
18th Jul 2026428 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20264810 AMAQI
18th Jul 20265611 AMAQI
18th Jul 20267112 PMAQI
18th Jul 2026831 PMAQI
18th Jul 2026832 PMAQI
18th Jul 2026923 PMAQI
18th Jul 2026764 PMAQI
18th Jul 2026765 PMAQI
18th Jul 2026686 PMAQI
18th Jul 2026547 PMAQI
18th Jul 2026518 PMAQI
18th Jul 2026489 PMAQI
18th Jul 20266010 PMAQI
18th Jul 20267211 PMAQI
19th Jul 20268312 AMAQI
19th Jul 2026841 AMAQI
19th Jul 2026572 AMAQI
19th Jul 2026493 AMAQI
19th Jul 2026444 AMAQI

25°C17/34°C

19th Jul 2026505 AMAQI
19th Jul 2026426 AMAQI
19th Jul 2026527 AMAQI
19th Jul 2026518 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20265110 AMAQI
19th Jul 20265311 AMAQI
19th Jul 20265012 PMAQI
19th Jul 2026501 PMAQI
19th Jul 2026532 PMAQI
19th Jul 2026603 PMAQI
19th Jul 2026634 PMAQI
19th Jul 2026675 PMAQI
19th Jul 2026686 PMAQI
19th Jul 2026707 PMAQI
19th Jul 2026718 PMAQI
19th Jul 2026689 PMAQI
19th Jul 20267010 PMAQI
19th Jul 20266211 PMAQI
20th Jul 20266212 AMAQI
20th Jul 2026551 AMAQI
20th Jul 2026522 AMAQI
20th Jul 2026513 AMAQI
20th Jul 2026544 AMAQI

21°C13/28°C

20th Jul 2026515 AMAQI
20th Jul 2026516 AMAQI
20th Jul 2026527 AMAQI
20th Jul 2026538 AMAQI
20th Jul 2026549 AMAQI
20th Jul 20265310 AMAQI
20th Jul 20265211 AMAQI
20th Jul 20265312 PMAQI
20th Jul 2026511 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026483 PMAQI
20th Jul 2026404 PMAQI
20th Jul 2026425 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026447 PMAQI
20th Jul 2026448 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264410 PMAQI
21st Jul 20264412 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026482 AMAQI
21st Jul 2026533 AMAQI
21st Jul 2026554 AMAQI

18°C13/24°C

21st Jul 2026715 AMAQI
21st Jul 2026856 AMAQI
21st Jul 20261077 AMAQI
21st Jul 2026908 AMAQI
21st Jul 2026879 AMAQI
21st Jul 20268710 AMAQI
21st Jul 20268911 AMAQI
21st Jul 202610212 PMAQI
21st Jul 2026761 PMAQI
21st Jul 2026622 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026524 PMAQI
21st Jul 2026555 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026487 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026539 PMAQI
21st Jul 20265110 PMAQI
21st Jul 20264911 PMAQI
22nd Jul 20265212 AMAQI
22nd Jul 2026531 AMAQI
22nd Jul 2026532 AMAQI
22nd Jul 2026543 AMAQI
22nd Jul 2026564 AMAQI

20°C13/29°C

22nd Jul 2026575 AMAQI
22nd Jul 2026546 AMAQI
22nd Jul 2026547 AMAQI
22nd Jul 2026588 AMAQI
22nd Jul 2026599 AMAQI
22nd Jul 20265810 AMAQI
22nd Jul 20265911 AMAQI
22nd Jul 20265812 PMAQI
22nd Jul 2026591 PMAQI
22nd Jul 2026652 PMAQI
22nd Jul 2026723 PMAQI
22nd Jul 2026874 PMAQI
22nd Jul 2026865 PMAQI
22nd Jul 2026926 PMAQI
22nd Jul 2026987 PMAQI
22nd Jul 20261008 PMAQI
22nd Jul 20261029 PMAQI
22nd Jul 20269610 PMAQI
22nd Jul 202610611 PMAQI
23rd Jul 20269412 AMAQI
23rd Jul 2026971 AMAQI
23rd Jul 20261002 AMAQI
23rd Jul 20261003 AMAQI
23rd Jul 20261024 AMAQI

24°C15/34°C

23rd Jul 2026985 AMAQI
23rd Jul 20261056 AMAQI
23rd Jul 20261087 AMAQI
23rd Jul 20261048 AMAQI
23rd Jul 20261119 AMAQI
23rd Jul 202611210 AMAQI
23rd Jul 202610811 AMAQI
23rd Jul 202611012 PMAQI
23rd Jul 20261201 PMAQI
23rd Jul 20261162 PMAQI
23rd Jul 20261253 PMAQI
23rd Jul 20261324 PMAQI
23rd Jul 20261385 PMAQI
23rd Jul 20261446 PMAQI
23rd Jul 20261437 PMAQI
23rd Jul 20261588 PMAQI
23rd Jul 20261729 PMAQI
23rd Jul 202617010 PMAQI
23rd Jul 202617411 PMAQI
24th Jul 202617012 AMAQI
24th Jul 20261691 AMAQI
24th Jul 20261642 AMAQI
24th Jul 20261663 AMAQI
24th Jul 20261624 AMAQI

23°C15/34°C

24th Jul 20261685 AMAQI
24th Jul 20261706 AMAQI
24th Jul 20261647 AMAQI
24th Jul 20261688 AMAQI
24th Jul 20261629 AMAQI
24th Jul 202616110 AMAQI
24th Jul 202615811 AMAQI
24th Jul 202616012 PMAQI
24th Jul 20261601 PMAQI
24th Jul 20261592 PMAQI
24th Jul 20261543 PMAQI
24th Jul 20261404 PMAQI
24th Jul 20261225 PMAQI
24th Jul 20261286 PMAQI
24th Jul 20261487 PMAQI
24th Jul 2026988 PMAQI
24th Jul 2026949 PMAQI
24th Jul 202610010 PMAQI
24th Jul 202610211 PMAQI
25th Jul 202610112 AMAQI
25th Jul 2026951 AMAQI
25th Jul 20261022 AMAQI
25th Jul 2026993 AMAQI
25th Jul 2026944 AMAQI

24°C17/32°C

25th Jul 2026785 AMAQI
25th Jul 2026686 AMAQI
25th Jul 2026737 AMAQI
25th Jul 2026758 AMAQI
25th Jul 2026689 AMAQI
25th Jul 20267310 AMAQI
25th Jul 20267311 AMAQI
25th Jul 20267212 PMAQI
25th Jul 2026801 PMAQI
25th Jul 2026852 PMAQI
25th Jul 2026963 PMAQI
25th Jul 2026874 PMAQI
25th Jul 2026695 PMAQI
25th Jul 2026706 PMAQI
25th Jul 2026707 PMAQI
25th Jul 2026788 PMAQI
25th Jul 2026729 PMAQI
25th Jul 20267910 PMAQI
25th Jul 20267811 PMAQI
26th Jul 20268012 AMAQI
26th Jul 2026811 AMAQI
26th Jul 2026922 AMAQI
26th Jul 2026843 AMAQI
26th Jul 2026944 AMAQI

25°C18/33°C

26th Jul 2026885 AMAQI
26th Jul 2026796 AMAQI
26th Jul 2026727 AMAQI
26th Jul 2026678 AMAQI
26th Jul 2026609 AMAQI
26th Jul 20266410 AMAQI
26th Jul 20266011 AMAQI
26th Jul 20266212 PMAQI
26th Jul 2026681 PMAQI
26th Jul 2026702 PMAQI
26th Jul 2026643 PMAQI
26th Jul 2026594 PMAQI
26th Jul 2026555 PMAQI
26th Jul 2026926 PMAQI
26th Jul 2026507 PMAQI
26th Jul 2026498 PMAQI
26th Jul 2026509 PMAQI
26th Jul 20266310 PMAQI
26th Jul 20266211 PMAQI
27th Jul 20266212 AMAQI
27th Jul 2026601 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026563 AMAQI
27th Jul 2026464 AMAQI

23°C14/30°C

27th Jul 2026485 AMAQI
27th Jul 2026496 AMAQI
27th Jul 2026557 AMAQI
27th Jul 2026558 AMAQI
27th Jul 2026659 AMAQI
27th Jul 20266410 AMAQI
27th Jul 20267411 AMAQI
27th Jul 20267812 PMAQI
27th Jul 2026731 PMAQI
27th Jul 2026722 PMAQI
27th Jul 2026633 PMAQI
27th Jul 2026684 PMAQI
27th Jul 2026585 PMAQI
27th Jul 2026496 PMAQI
27th Jul 2026547 PMAQI
27th Jul 2026538 PMAQI
27th Jul 2026539 PMAQI
27th Jul 20264210 PMAQI
27th Jul 20265211 PMAQI
28th Jul 20265212 AMAQI
28th Jul 2026531 AMAQI
28th Jul 2026482 AMAQI
28th Jul 2026523 AMAQI
28th Jul 2026524 AMAQI

22°C15/29°C

28th Jul 2026485 AMAQI
28th Jul 2026496 AMAQI
28th Jul 2026557 AMAQI
28th Jul 2026578 AMAQI
28th Jul 2026569 AMAQI
28th Jul 20265610 AMAQI
28th Jul 20265811 AMAQI
28th Jul 20265812 PMAQI
28th Jul 2026571 PMAQI
28th Jul 2026552 PMAQI
28th Jul 2026593 PMAQI
28th Jul 2026684 PMAQI
28th Jul 2026715 PMAQI
28th Jul 2026646 PMAQI
28th Jul 2026567 PMAQI
28th Jul 2026538 PMAQI
28th Jul 2026529 PMAQI
28th Jul 20264210 PMAQI
28th Jul 20265011 PMAQI
29th Jul 20265112 AMAQI
29th Jul 2026561 AMAQI
29th Jul 2026572 AMAQI
29th Jul 2026573 AMAQI
29th Jul 2026524 AMAQI

21°C11/32°C

29th Jul 2026515 AMAQI
29th Jul 2026516 AMAQI
29th Jul 2026447 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026509 AMAQI
29th Jul 20264610 AMAQI
29th Jul 20264211 AMAQI
29th Jul 20264612 PMAQI
29th Jul 2026401 PMAQI
29th Jul 2026422 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026424 PMAQI
29th Jul 2026275 PMAQI
29th Jul 2026406 PMAQI
29th Jul 2026407 PMAQI
29th Jul 2026388 PMAQI
29th Jul 2026389 PMAQI
29th Jul 20265110 PMAQI
29th Jul 20265411 PMAQI
30th Jul 20265412 AMAQI
30th Jul 2026441 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026463 AMAQI
30th Jul 2026484 AMAQI

22°C12/30°C

30th Jul 2026445 AMAQI
30th Jul 2026446 AMAQI
30th Jul 2026467 AMAQI
30th Jul 2026448 AMAQI
30th Jul 2026429 AMAQI
30th Jul 20264610 AMAQI
30th Jul 20264811 AMAQI
30th Jul 20264812 PMAQI
30th Jul 2026481 PMAQI
30th Jul 2026502 PMAQI
30th Jul 2026513 PMAQI
30th Jul 2026514 PMAQI
30th Jul 2026425 PMAQI
30th Jul 2026506 PMAQI
30th Jul 2026557 PMAQI
30th Jul 2026538 PMAQI
30th Jul 2026629 PMAQI
30th Jul 20266510 PMAQI
30th Jul 20266611 PMAQI
31st Jul 20266612 AMAQI
31st Jul 2026601 AMAQI
31st Jul 2026602 AMAQI
31st Jul 2026593 AMAQI
31st Jul 2026584 AMAQI

21°C11/29°C

31st Jul 2026555 AMAQI
5 AM
31st Jul 2026586 AMAQI
31st Jul 2026597 AMAQI
31st Jul 2026628 AMAQI
31st Jul 2026659 AMAQI
31st Jul 20266510 AMAQI
31st Jul 20266611 AMAQI
31st Jul 20267612 PMAQI
31st Jul 2026851 PMAQI
1 PM
31st Jul 20261082 PMAQI
31st Jul 20261243 PMAQI
31st Jul 20261204 PMAQI
31st Jul 20261185 PMAQI
31st Jul 20261106 PMAQI
31st Jul 20261187 PMAQI
9 PM
1 AM
4 AM

24°C15/34°C

Day time
Avg. Highest Time
3 PM - 4 PM

52AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM - 6 AM

45AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 PM to 4 PM (Avg. 52), while the lowest AQI was between 5 AM to 6 AM (Avg. 45).
Night time
Avg. Highest Time
12 AM - 1 AM

47AQI

2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 10 PM

45AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 47), while the lowest AQI was between 2 AM to 10 PM (Avg. 45).

2026 Days Vs Air Quality

Northwest Calgary, Calgary, Alberta, Canada

2026

92%

192

6%

13

1%

3

Total number of days with different AQI categories in last 212 days in 2026 (153 days remaining)

Good
192 Days
Moderate
13 Days
Poor
3 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 92%

Health Risk Level:

Very Low

In 2026, 92% of 212 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

Northwest Calgary, Calgary, Alberta, Canada

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
40AQI (US)
2nd January 2026
29AQI (US)
3rd January 2026
26AQI (US)
4th January 2026
38AQI (US)
5th January 2026
48AQI (US)
6th January 2026
25AQI (US)
7th January 2026
12AQI (US)
8th January 2026
19AQI (US)
9th January 2026
28AQI (US)
10th January 2026
15AQI (US)
11th January 2026
15AQI (US)
12th January 2026
19AQI (US)
13th January 2026
13AQI (US)
14th January 2026
21AQI (US)
15th January 2026
17AQI (US)
16th January 2026
16AQI (US)
17th January 2026
18AQI (US)
18th January 2026
14AQI (US)
19th January 2026
22AQI (US)
20th January 2026
21AQI (US)
21st January 2026
18AQI (US)
22nd January 2026
49AQI (US)
23rd January 2026
51AQI (US)
24th January 2026
50AQI (US)
25th January 2026
53AQI (US)
26th January 2026
52AQI (US)
27th January 2026
49AQI (US)
28th January 2026
46AQI (US)
29th January 2026
49AQI (US)
30th January 2026
45AQI (US)
31st January 2026
40AQI (US)
1st February 2026
45AQI (US)
2nd February 2026
48AQI (US)
3rd February 2026
45AQI (US)
4th February 2026
48AQI (US)
5th February 2026
49AQI (US)
6th February 2026
44AQI (US)
7th February 2026
40AQI (US)
8th February 2026
44AQI (US)
9th February 2026
44AQI (US)
10th February 2026
32AQI (US)
11th February 2026
27AQI (US)
12th February 2026
24AQI (US)
13th February 2026
36AQI (US)
14th February 2026
42AQI (US)
15th February 2026
31AQI (US)
16th February 2026
36AQI (US)
17th February 2026
41AQI (US)
18th February 2026
32AQI (US)
19th February 2026
33AQI (US)
20th February 2026
38AQI (US)
21st February 2026
50AQI (US)
22nd February 2026
41AQI (US)
23rd February 2026
48AQI (US)
24th February 2026
45AQI (US)
25th February 2026
35AQI (US)
26th February 2026
28AQI (US)
27th February 2026
33AQI (US)
28th February 2026
34AQI (US)
1st March 2026
30AQI (US)
2nd March 2026
40AQI (US)
3rd March 2026
44AQI (US)
4th March 2026
44AQI (US)
5th March 2026
41AQI (US)
6th March 2026
28AQI (US)
7th March 2026
35AQI (US)
8th March 2026
39AQI (US)
9th March 2026
36AQI (US)
10th March 2026
24AQI (US)
11th March 2026
31AQI (US)
12th March 2026
39AQI (US)
13th March 2026
34AQI (US)
14th March 2026
33AQI (US)
15th March 2026
22AQI (US)
16th March 2026
25AQI (US)
17th March 2026
34AQI (US)
18th March 2026
31AQI (US)
19th March 2026
32AQI (US)
20th March 2026
34AQI (US)
21st March 2026
30AQI (US)
22nd March 2026
29AQI (US)
23rd March 2026
25AQI (US)
24th March 2026
36AQI (US)
25th March 2026
31AQI (US)
26th March 2026
32AQI (US)
27th March 2026
30AQI (US)
28th March 2026
28AQI (US)
29th March 2026
32AQI (US)
30th March 2026
30AQI (US)
31st March 2026
29AQI (US)
1st April 2026
33AQI (US)
2nd April 2026
25AQI (US)
3rd April 2026
30AQI (US)
4th April 2026
21AQI (US)
5th April 2026
23AQI (US)
6th April 2026
24AQI (US)
7th April 2026
22AQI (US)
8th April 2026
20AQI (US)
9th April 2026
23AQI (US)
10th April 2026
27AQI (US)
11th April 2026
29AQI (US)
12th April 2026
31AQI (US)
13th April 2026
36AQI (US)
14th April 2026
33AQI (US)
15th April 2026
31AQI (US)
16th April 2026
21AQI (US)
17th April 2026
18th April 2026
16AQI (US)
19th April 2026
19AQI (US)
20th April 2026
24AQI (US)
21st April 2026
26AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
24th April 2026
27AQI (US)
25th April 2026
22AQI (US)
26th April 2026
27AQI (US)
27th April 2026
25AQI (US)
28th April 2026
21AQI (US)
29th April 2026
26AQI (US)
30th April 2026
27AQI (US)
1st May 2026
22AQI (US)
2nd May 2026
20AQI (US)
3rd May 2026
19AQI (US)
4th May 2026
27AQI (US)
5th May 2026
28AQI (US)
6th May 2026
24AQI (US)
7th May 2026
20AQI (US)
8th May 2026
25AQI (US)
9th May 2026
10th May 2026
24AQI (US)
11th May 2026
21AQI (US)
12th May 2026
20AQI (US)
13th May 2026
20AQI (US)
14th May 2026
21AQI (US)
15th May 2026
34AQI (US)
16th May 2026
39AQI (US)
17th May 2026
39AQI (US)
18th May 2026
28AQI (US)
19th May 2026
30AQI (US)
20th May 2026
30AQI (US)
21st May 2026
23AQI (US)
22nd May 2026
28AQI (US)
23rd May 2026
23AQI (US)
24th May 2026
24AQI (US)
25th May 2026
20AQI (US)
26th May 2026
22AQI (US)
27th May 2026
24AQI (US)
28th May 2026
30AQI (US)
29th May 2026
21AQI (US)
30th May 2026
25AQI (US)
31st May 2026
29AQI (US)
1st June 2026
30AQI (US)
2nd June 2026
29AQI (US)
3rd June 2026
28AQI (US)
4th June 2026
33AQI (US)
5th June 2026
17AQI (US)
6th June 2026
18AQI (US)
7th June 2026
22AQI (US)
8th June 2026
25AQI (US)
9th June 2026
18AQI (US)
10th June 2026
27AQI (US)
11th June 2026
23AQI (US)
12th June 2026
26AQI (US)
13th June 2026
22AQI (US)
14th June 2026
18AQI (US)
15th June 2026
19AQI (US)
16th June 2026
16AQI (US)
17th June 2026
19AQI (US)
18th June 2026
16AQI (US)
19th June 2026
17AQI (US)
20th June 2026
17AQI (US)
21st June 2026
15AQI (US)
22nd June 2026
14AQI (US)
23rd June 2026
21AQI (US)
24th June 2026
19AQI (US)
25th June 2026
17AQI (US)
26th June 2026
19AQI (US)
27th June 2026
27AQI (US)
28th June 2026
26AQI (US)
29th June 2026
58AQI (US)
30th June 2026
103AQI (US)
1st July 2026
71AQI (US)
2nd July 2026
24AQI (US)
3rd July 2026
17AQI (US)
4th July 2026
17AQI (US)
5th July 2026
19AQI (US)
6th July 2026
15AQI (US)
7th July 2026
19AQI (US)
8th July 2026
22AQI (US)
9th July 2026
46AQI (US)
10th July 2026
31AQI (US)
11th July 2026
19AQI (US)
12th July 2026
24AQI (US)
13th July 2026
29AQI (US)
14th July 2026
28AQI (US)
15th July 2026
28AQI (US)
16th July 2026
34AQI (US)
17th July 2026
46AQI (US)
18th July 2026
57AQI (US)
19th July 2026
59AQI (US)
20th July 2026
50AQI (US)
21st July 2026
65AQI (US)
22nd July 2026
70AQI (US)
23rd July 2026
123AQI (US)
24th July 2026
148AQI (US)
25th July 2026
81AQI (US)
26th July 2026
69AQI (US)
27th July 2026
58AQI (US)
28th July 2026
55AQI (US)
29th July 2026
46AQI (US)
30th July 2026
50AQI (US)
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

31AQI (US)

39AQI (US)

33AQI (US)

25AQI (US)

25AQI (US)

25AQI (US)

47AQI (US)

No. of days

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

202632AQI (US)

28
3
28
31
28
30
28
1
1
19
9
2
192
13
3

Highest AQI (US) recorded in

July

47AQI (US)

Lowest AQI (US) recorded in

June

25AQI (US)

202534AQI (US)

6
30
31
25
5
31
22
9
10
19
1
25
6
30
30
1
240
40
1

Highest AQI (US) recorded in

September

57AQI (US)

Lowest AQI (US) recorded in

April

25AQI (US)

Most & Least Polluted Years Over the Last 2 Years

Most Polluted Year Recorded
2025(Avg.)
34AQI (US)
Least Polluted Year Recorded
2026(Avg.)
32AQI (US)

Northwest Calgary's annual 2026 AQI (US) (32) shows an average percentage change of -5.8% (improved AQI (US)) compared to previous years: 2025 (34).