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+
August Air Quality Analysis
Northwest Calgary, Calgary, Alberta, Canada
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
54AQILowest AQI recorded on
2nd Aug 2025
53AQISame Day Analysis (2nd August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Northwest Calgary, Calgary, Alberta, Canada
AQI
Day
Night
.
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
9AM2nd Aug
54AQI
Avg. Lowest Time
7AM2nd Aug
41AQI
Night time
Avg. Highest Time
5AM2nd Aug
51AQI
Avg. Lowest Time
3AM3rd Aug
42AQI
In the last 24 hours,
Northwest Calgary's AQI reached its highest point of 54 at 9 AM during the Day, while the lowest point, 41, was recorded at 7 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Northwest Calgary, Calgary, Alberta, Canada
JulAug
04th - 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 - 03rd03rd
Day
Night
4th Jul 2025235 AMAQI
4th Jul 2025226 AMAQI
4th Jul 2025247 AMAQI
4th Jul 2025258 AMAQI
4th Jul 2025249 AMAQI
4th Jul 20252510 AMAQI
4th Jul 20252811 AMAQI
4th Jul 20252812 PMAQI
4th Jul 2025271 PMAQI
4th Jul 2025242 PMAQI
4th Jul 2025243 PMAQI
4th Jul 2025244 PMAQI
4th Jul 2025235 PMAQI
4th Jul 2025236 PMAQI
4th Jul 2025227 PMAQI
4th Jul 2025238 PMAQI
4th Jul 2025249 PMAQI
4th Jul 20252410 PMAQI
4th Jul 20252611 PMAQI
5th Jul 20252412 AMAQI
5th Jul 2025241 AMAQI
5th Jul 2025252 AMAQI
5th Jul 2025253 AMAQI
5th Jul 2025264 AMAQI
15°C10/19°C
5th Jul 2025265 AMAQI
5th Jul 2025266 AMAQI
5th Jul 2025247 AMAQI
5th Jul 2025248 AMAQI
5th Jul 2025239 AMAQI
5th Jul 20252210 AMAQI
5th Jul 20252211 AMAQI
5th Jul 20252212 PMAQI
5th Jul 2025211 PMAQI
5th Jul 2025212 PMAQI
5th Jul 2025223 PMAQI
5th Jul 2025224 PMAQI
5th Jul 2025225 PMAQI
5th Jul 2025236 PMAQI
5th Jul 2025227 PMAQI
5th Jul 2025228 PMAQI
5th Jul 2025219 PMAQI
5th Jul 20252210 PMAQI
5th Jul 20252111 PMAQI
6th Jul 20252212 AMAQI
6th Jul 2025201 AMAQI
6th Jul 2025232 AMAQI
6th Jul 2025223 AMAQI
6th Jul 2025244 AMAQI
17°C13/24°C
6th Jul 2025265 AMAQI
6th Jul 2025266 AMAQI
6th Jul 2025277 AMAQI
6th Jul 2025268 AMAQI
6th Jul 2025259 AMAQI
6th Jul 20252410 AMAQI
6th Jul 20252311 AMAQI
6th Jul 20252212 PMAQI
6th Jul 2025191 PMAQI
6th Jul 2025172 PMAQI
6th Jul 2025173 PMAQI
6th Jul 2025184 PMAQI
6th Jul 2025195 PMAQI
6th Jul 2025186 PMAQI
6th Jul 2025187 PMAQI
6th Jul 2025198 PMAQI
6th Jul 2025209 PMAQI
6th Jul 20252110 PMAQI
6th Jul 20251911 PMAQI
7th Jul 20252012 AMAQI
7th Jul 2025201 AMAQI
7th Jul 2025202 AMAQI
7th Jul 2025213 AMAQI
7th Jul 2025214 AMAQI
16°C12/21°C
7th Jul 2025225 AMAQI
7th Jul 2025216 AMAQI
7th Jul 2025227 AMAQI
7th Jul 2025248 AMAQI
7th Jul 2025239 AMAQI
7th Jul 20252310 AMAQI
7th Jul 20252211 AMAQI
7th Jul 20252412 PMAQI
7th Jul 2025281 PMAQI
7th Jul 2025242 PMAQI
7th Jul 2025243 PMAQI
7th Jul 2025254 PMAQI
7th Jul 2025245 PMAQI
7th Jul 2025246 PMAQI
7th Jul 2025247 PMAQI
7th Jul 2025248 PMAQI
7th Jul 2025249 PMAQI
7th Jul 20252510 PMAQI
7th Jul 20252411 PMAQI
8th Jul 20252312 AMAQI
8th Jul 2025241 AMAQI
8th Jul 2025272 AMAQI
8th Jul 2025243 AMAQI
8th Jul 2025254 AMAQI
19°C12/27°C
8th Jul 2025305 AMAQI
8th Jul 2025326 AMAQI
8th Jul 2025337 AMAQI
8th Jul 2025328 AMAQI
8th Jul 2025329 AMAQI
8th Jul 20253110 AMAQI
8th Jul 20253211 AMAQI
8th Jul 20253512 PMAQI
8th Jul 2025371 PMAQI
8th Jul 2025392 PMAQI
8th Jul 2025343 PMAQI
8th Jul 2025324 PMAQI
8th Jul 2025305 PMAQI
8th Jul 2025286 PMAQI
8th Jul 2025297 PMAQI
8th Jul 2025298 PMAQI
8th Jul 2025309 PMAQI
8th Jul 20253110 PMAQI
8th Jul 20253411 PMAQI
9th Jul 20253212 AMAQI
9th Jul 2025331 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025313 AMAQI
9th Jul 2025304 AMAQI
24°C14/32°C
9th Jul 2025305 AMAQI
9th Jul 2025316 AMAQI
9th Jul 2025337 AMAQI
9th Jul 2025328 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20252910 AMAQI
9th Jul 20252911 AMAQI
9th Jul 20253012 PMAQI
9th Jul 2025291 PMAQI
9th Jul 2025282 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025284 PMAQI
9th Jul 2025295 PMAQI
9th Jul 2025296 PMAQI
9th Jul 2025327 PMAQI
9th Jul 2025328 PMAQI
9th Jul 2025309 PMAQI
9th Jul 20253010 PMAQI
9th Jul 20252811 PMAQI
10th Jul 20253112 AMAQI
10th Jul 2025281 AMAQI
10th Jul 2025262 AMAQI
10th Jul 2025243 AMAQI
10th Jul 2025244 AMAQI
22°C17/27°C
10th Jul 2025235 AMAQI
10th Jul 2025236 AMAQI
10th Jul 2025227 AMAQI
10th Jul 2025228 AMAQI
10th Jul 2025209 AMAQI
10th Jul 20252010 AMAQI
10th Jul 20252011 AMAQI
10th Jul 20252112 PMAQI
10th Jul 2025221 PMAQI
10th Jul 2025242 PMAQI
10th Jul 2025233 PMAQI
10th Jul 2025244 PMAQI
10th Jul 2025225 PMAQI
10th Jul 2025226 PMAQI
10th Jul 2025227 PMAQI
10th Jul 2025238 PMAQI
10th Jul 2025239 PMAQI
10th Jul 20252010 PMAQI
10th Jul 20252011 PMAQI
11th Jul 20252212 AMAQI
11th Jul 2025221 AMAQI
11th Jul 2025222 AMAQI
11th Jul 2025223 AMAQI
11th Jul 2025224 AMAQI
14°C9/19°C
11th Jul 2025245 AMAQI
11th Jul 2025226 AMAQI
11th Jul 2025217 AMAQI
11th Jul 2025198 AMAQI
11th Jul 2025209 AMAQI
11th Jul 20252210 AMAQI
11th Jul 20252211 AMAQI
11th Jul 20252112 PMAQI
11th Jul 2025221 PMAQI
11th Jul 2025222 PMAQI
11th Jul 2025253 PMAQI
11th Jul 2025294 PMAQI
11th Jul 2025285 PMAQI
11th Jul 2025246 PMAQI
11th Jul 2025247 PMAQI
11th Jul 2025228 PMAQI
11th Jul 2025229 PMAQI
11th Jul 20252310 PMAQI
11th Jul 20252611 PMAQI
12th Jul 20253412 AMAQI
12th Jul 2025351 AMAQI
12th Jul 2025322 AMAQI
12th Jul 2025313 AMAQI
12th Jul 2025284 AMAQI
19°C9/29°C
12th Jul 2025355 AMAQI
12th Jul 2025286 AMAQI
12th Jul 2025257 AMAQI
12th Jul 2025238 AMAQI
12th Jul 2025239 AMAQI
12th Jul 20252310 AMAQI
12th Jul 20252411 AMAQI
12th Jul 20252412 PMAQI
12th Jul 2025251 PMAQI
12th Jul 2025252 PMAQI
12th Jul 2025263 PMAQI
12th Jul 2025254 PMAQI
12th Jul 2025235 PMAQI
12th Jul 2025226 PMAQI
12th Jul 2025227 PMAQI
12th Jul 2025208 PMAQI
12th Jul 2025229 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252111 PMAQI
13th Jul 20252112 AMAQI
13th Jul 2025211 AMAQI
13th Jul 2025222 AMAQI
13th Jul 2025243 AMAQI
13th Jul 2025214 AMAQI
22°C14/29°C
13th Jul 2025245 AMAQI
13th Jul 2025246 AMAQI
13th Jul 2025247 AMAQI
13th Jul 2025238 AMAQI
13th Jul 2025239 AMAQI
13th Jul 20252310 AMAQI
13th Jul 20252411 AMAQI
13th Jul 20252412 PMAQI
13th Jul 2025251 PMAQI
13th Jul 2025242 PMAQI
13th Jul 2025253 PMAQI
13th Jul 2025254 PMAQI
13th Jul 2025245 PMAQI
13th Jul 2025246 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025238 PMAQI
13th Jul 2025259 PMAQI
13th Jul 20252510 PMAQI
13th Jul 20252511 PMAQI
14th Jul 20252412 AMAQI
14th Jul 2025241 AMAQI
14th Jul 2025222 AMAQI
14th Jul 2025223 AMAQI
14th Jul 2025204 AMAQI
21°C14/30°C
14th Jul 2025205 AMAQI
14th Jul 2025186 AMAQI
14th Jul 2025187 AMAQI
14th Jul 2025178 AMAQI
14th Jul 2025169 AMAQI
14th Jul 20251610 AMAQI
14th Jul 20251511 AMAQI
14th Jul 20251512 PMAQI
14th Jul 2025151 PMAQI
14th Jul 2025152 PMAQI
14th Jul 2025143 PMAQI
14th Jul 2025164 PMAQI
14th Jul 2025165 PMAQI
14th Jul 2025176 PMAQI
14th Jul 2025167 PMAQI
14th Jul 2025208 PMAQI
14th Jul 2025219 PMAQI
14th Jul 20251910 PMAQI
14th Jul 20252211 PMAQI
15th Jul 20252212 AMAQI
15th Jul 2025221 AMAQI
15th Jul 2025222 AMAQI
15th Jul 2025243 AMAQI
15th Jul 2025234 AMAQI
13°C11/13°C
15th Jul 2025385 AMAQI
15th Jul 2025416 AMAQI
15th Jul 2025407 AMAQI
15th Jul 2025388 AMAQI
15th Jul 2025339 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20254011 AMAQI
15th Jul 20254012 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025413 PMAQI
15th Jul 2025384 PMAQI
15th Jul 2025415 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025419 PMAQI
15th Jul 20253910 PMAQI
15th Jul 20253911 PMAQI
16th Jul 20254012 AMAQI
16th Jul 2025421 AMAQI
16th Jul 2025442 AMAQI
16th Jul 2025473 AMAQI
16th Jul 2025504 AMAQI
14°C10/21°C
16th Jul 2025525 AMAQI
16th Jul 2025516 AMAQI
16th Jul 2025497 AMAQI
16th Jul 2025518 AMAQI
16th Jul 2025509 AMAQI
16th Jul 20254610 AMAQI
16th Jul 20255311 AMAQI
16th Jul 20255312 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025482 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025455 PMAQI
16th Jul 2025466 PMAQI
16th Jul 2025457 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025509 PMAQI
16th Jul 20255010 PMAQI
16th Jul 20254611 PMAQI
17th Jul 20254612 AMAQI
17th Jul 2025451 AMAQI
17th Jul 2025462 AMAQI
17th Jul 2025463 AMAQI
17th Jul 2025534 AMAQI
15°C6/24°C
17th Jul 2025515 AMAQI
17th Jul 2025476 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025408 AMAQI
17th Jul 2025449 AMAQI
17th Jul 20254810 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255412 PMAQI
17th Jul 2025531 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025543 PMAQI
17th Jul 2025534 PMAQI
17th Jul 2025525 PMAQI
17th Jul 2025526 PMAQI
17th Jul 2025537 PMAQI
17th Jul 2025518 PMAQI
17th Jul 2025529 PMAQI
17th Jul 20255210 PMAQI
17th Jul 20255011 PMAQI
18th Jul 20255112 AMAQI
18th Jul 2025501 AMAQI
18th Jul 2025502 AMAQI
18th Jul 2025483 AMAQI
18th Jul 2025494 AMAQI
14°C12/17°C
18th Jul 2025465 AMAQI
18th Jul 2025446 AMAQI
18th Jul 2025487 AMAQI
18th Jul 2025488 AMAQI
18th Jul 2025509 AMAQI
18th Jul 20255010 AMAQI
18th Jul 20255111 AMAQI
18th Jul 20255012 PMAQI
18th Jul 2025471 PMAQI
18th Jul 2025472 PMAQI
18th Jul 2025433 PMAQI
18th Jul 2025434 PMAQI
18th Jul 2025425 PMAQI
18th Jul 2025426 PMAQI
18th Jul 2025417 PMAQI
18th Jul 2025408 PMAQI
18th Jul 2025469 PMAQI
18th Jul 20254610 PMAQI
18th Jul 20254111 PMAQI
19th Jul 20254312 AMAQI
19th Jul 2025421 AMAQI
19th Jul 2025392 AMAQI
19th Jul 2025353 AMAQI
19th Jul 2025344 AMAQI
15°C7/22°C
19th Jul 2025295 AMAQI
19th Jul 2025286 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20253112 PMAQI
19th Jul 2025301 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025223 PMAQI
19th Jul 2025224 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025266 PMAQI
19th Jul 2025267 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025279 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252411 PMAQI
20th Jul 20252512 AMAQI
20th Jul 2025261 AMAQI
20th Jul 2025262 AMAQI
20th Jul 2025253 AMAQI
20th Jul 2025244 AMAQI
17°C12/22°C
20th Jul 2025215 AMAQI
20th Jul 2025186 AMAQI
20th Jul 2025207 AMAQI
20th Jul 2025238 AMAQI
20th Jul 2025269 AMAQI
20th Jul 20253410 AMAQI
20th Jul 20253611 AMAQI
20th Jul 20253912 PMAQI
20th Jul 2025391 PMAQI
20th Jul 2025372 PMAQI
20th Jul 2025303 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025245 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025218 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252210 PMAQI
20th Jul 20252011 PMAQI
21st Jul 20252312 AMAQI
21st Jul 2025261 AMAQI
21st Jul 2025362 AMAQI
21st Jul 2025373 AMAQI
21st Jul 2025274 AMAQI
14°C11/19°C
21st Jul 2025255 AMAQI
21st Jul 2025256 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025298 AMAQI
21st Jul 2025299 AMAQI
21st Jul 20253310 AMAQI
21st Jul 20254011 AMAQI
21st Jul 20254312 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025404 PMAQI
21st Jul 2025325 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025287 PMAQI
21st Jul 2025328 PMAQI
21st Jul 2025299 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20253111 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025361 AMAQI
22nd Jul 2025472 AMAQI
22nd Jul 2025433 AMAQI
22nd Jul 2025424 AMAQI
15°C11/19°C
22nd Jul 2025505 AMAQI
22nd Jul 2025506 AMAQI
22nd Jul 2025487 AMAQI
22nd Jul 2025418 AMAQI
22nd Jul 2025409 AMAQI
22nd Jul 20254010 AMAQI
22nd Jul 20253811 AMAQI
22nd Jul 20254012 PMAQI
22nd Jul 2025391 PMAQI
22nd Jul 2025332 PMAQI
22nd Jul 2025383 PMAQI
22nd Jul 2025424 PMAQI
22nd Jul 2025465 PMAQI
22nd Jul 2025486 PMAQI
22nd Jul 2025467 PMAQI
22nd Jul 2025448 PMAQI
22nd Jul 2025439 PMAQI
22nd Jul 20254210 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254112 AMAQI
23rd Jul 2025431 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025453 AMAQI
23rd Jul 2025524 AMAQI
8°C7/8°C
23rd Jul 2025525 AMAQI
23rd Jul 2025546 AMAQI
23rd Jul 2025547 AMAQI
23rd Jul 2025558 AMAQI
23rd Jul 2025539 AMAQI
23rd Jul 20255410 AMAQI
23rd Jul 20255011 AMAQI
23rd Jul 20254612 PMAQI
23rd Jul 2025411 PMAQI
23rd Jul 2025402 PMAQI
23rd Jul 2025403 PMAQI
23rd Jul 2025384 PMAQI
23rd Jul 2025435 PMAQI
23rd Jul 2025426 PMAQI
23rd Jul 2025457 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025429 PMAQI
23rd Jul 20254210 PMAQI
23rd Jul 20253411 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025371 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025374 AMAQI
15°C5/24°C
24th Jul 2025325 AMAQI
24th Jul 2025336 AMAQI
24th Jul 2025407 AMAQI
24th Jul 2025408 AMAQI
24th Jul 2025429 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20254211 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025441 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025463 PMAQI
24th Jul 2025434 PMAQI
24th Jul 2025425 PMAQI
24th Jul 2025436 PMAQI
24th Jul 2025427 PMAQI
24th Jul 2025428 PMAQI
24th Jul 2025359 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253212 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025342 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025314 AMAQI
21°C11/29°C
25th Jul 2025305 AMAQI
25th Jul 2025306 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025308 AMAQI
25th Jul 2025289 AMAQI
25th Jul 20252910 AMAQI
25th Jul 20252711 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025281 PMAQI
25th Jul 2025312 PMAQI
25th Jul 2025323 PMAQI
25th Jul 2025324 PMAQI
25th Jul 2025325 PMAQI
25th Jul 2025336 PMAQI
25th Jul 2025327 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025289 PMAQI
25th Jul 20252610 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20252312 AMAQI
26th Jul 2025241 AMAQI
26th Jul 2025262 AMAQI
26th Jul 2025263 AMAQI
26th Jul 2025244 AMAQI
16°C12/21°C
26th Jul 2025215 AMAQI
26th Jul 2025206 AMAQI
26th Jul 2025207 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025229 AMAQI
26th Jul 20252410 AMAQI
26th Jul 20253011 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025351 PMAQI
26th Jul 2025372 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025414 PMAQI
26th Jul 2025375 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025397 PMAQI
26th Jul 2025428 PMAQI
26th Jul 2025369 PMAQI
26th Jul 20253010 PMAQI
26th Jul 20252811 PMAQI
27th Jul 20252712 AMAQI
27th Jul 2025281 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025323 AMAQI
27th Jul 2025504 AMAQI
13°C11/17°C
27th Jul 2025525 AMAQI
27th Jul 2025546 AMAQI
27th Jul 2025527 AMAQI
27th Jul 2025518 AMAQI
27th Jul 2025529 AMAQI
27th Jul 20255210 AMAQI
27th Jul 20255211 AMAQI
27th Jul 20255312 PMAQI
27th Jul 2025491 PMAQI
27th Jul 2025462 PMAQI
27th Jul 2025423 PMAQI
27th Jul 2025454 PMAQI
27th Jul 2025455 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025377 PMAQI
27th Jul 2025478 PMAQI
27th Jul 2025439 PMAQI
27th Jul 20254310 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20254712 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025482 AMAQI
28th Jul 2025493 AMAQI
28th Jul 2025484 AMAQI
15°C13/18°C
28th Jul 2025465 AMAQI
28th Jul 2025516 AMAQI
28th Jul 2025507 AMAQI
28th Jul 2025488 AMAQI
28th Jul 2025489 AMAQI
28th Jul 20254810 AMAQI
28th Jul 20254911 AMAQI
28th Jul 20254912 PMAQI
28th Jul 2025461 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025363 PMAQI
28th Jul 2025404 PMAQI
28th Jul 2025485 PMAQI
28th Jul 2025516 PMAQI
28th Jul 2025487 PMAQI
28th Jul 2025448 PMAQI
28th Jul 2025499 PMAQI
28th Jul 20254710 PMAQI
28th Jul 20254311 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025461 AMAQI
29th Jul 2025472 AMAQI
29th Jul 2025463 AMAQI
29th Jul 2025464 AMAQI
14°C12/18°C
29th Jul 2025445 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025347 AMAQI
29th Jul 2025378 AMAQI
29th Jul 2025339 AMAQI
29th Jul 20253010 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20253112 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025342 PMAQI
29th Jul 2025343 PMAQI
29th Jul 2025344 PMAQI
29th Jul 2025385 PMAQI
29th Jul 2025386 PMAQI
29th Jul 2025377 PMAQI
29th Jul 2025368 PMAQI
29th Jul 2025369 PMAQI
29th Jul 20253710 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20254012 AMAQI
30th Jul 2025421 AMAQI
30th Jul 2025452 AMAQI
30th Jul 2025463 AMAQI
30th Jul 2025464 AMAQI
18°C13/24°C
30th Jul 2025485 AMAQI
30th Jul 2025506 AMAQI
30th Jul 2025517 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255112 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025522 PMAQI
30th Jul 2025483 PMAQI
30th Jul 2025434 PMAQI
30th Jul 2025435 PMAQI
30th Jul 2025436 PMAQI
30th Jul 2025437 PMAQI
30th Jul 2025438 PMAQI
30th Jul 2025439 PMAQI
30th Jul 20254310 PMAQI
30th Jul 20254011 PMAQI
31st Jul 20254112 AMAQI
31st Jul 2025421 AMAQI
31st Jul 2025432 AMAQI
31st Jul 2025423 AMAQI
31st Jul 2025464 AMAQI
20°C13/26°C
31st Jul 2025455 AMAQI
31st Jul 2025476 AMAQI
31st Jul 2025507 AMAQI
31st Jul 2025518 AMAQI
31st Jul 2025429 AMAQI
31st Jul 20255010 AMAQI
31st Jul 20255411 AMAQI
31st Jul 20255612 PMAQI
31st Jul 2025571 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025533 PMAQI
31st Jul 2025544 PMAQI
31st Jul 2025535 PMAQI
31st Jul 2025536 PMAQI
31st Jul 2025527 PMAQI
31st Jul 2025528 PMAQI
31st Jul 2025519 PMAQI
31st Jul 20254910 PMAQI
31st Jul 20255011 PMAQI
1st Aug 20255112 AMAQI
1st Aug 2025521 AMAQI
1st Aug 2025522 AMAQI
1st Aug 2025523 AMAQI
1st Aug 2025534 AMAQI
21°C13/29°C
1st Aug 2025545 AMAQI
1st Aug 2025536 AMAQI
1st Aug 2025547 AMAQI
1st Aug 2025548 AMAQI
1st Aug 2025529 AMAQI
1st Aug 20255110 AMAQI
1st Aug 20255211 AMAQI
1st Aug 20255112 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025602 PMAQI
1st Aug 2025633 PMAQI
1st Aug 2025614 PMAQI
1st Aug 2025605 PMAQI
1st Aug 2025586 PMAQI
1st Aug 2025567 PMAQI
1st Aug 2025568 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255311 PMAQI
2nd Aug 20255512 AMAQI
2nd Aug 2025561 AMAQI
2nd Aug 2025512 AMAQI
2nd Aug 2025543 AMAQI
2nd Aug 2025534 AMAQI
21°C13/28°C
2nd Aug 2025515 AMAQI
2nd Aug 2025496 AMAQI
2nd Aug 2025417 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025549 AMAQI
2nd Aug 20255410 AMAQI
2nd Aug 20255411 AMAQI
2nd Aug 20255312 PMAQI
2nd Aug 2025531 PMAQI
2nd Aug 2025512 PMAQI
2nd Aug 2025493 PMAQI
2nd Aug 2025504 PMAQI
2nd Aug 2025515 PMAQI
2nd Aug 2025516 PMAQI
2nd Aug 2025537 PMAQI
2nd Aug 2025518 PMAQI
2nd Aug 2025529 PMAQI
2nd Aug 20255110 PMAQI
2nd Aug 20254611 PMAQI
3rd Aug 20254612 AMAQI
3rd Aug 2025481 AMAQI
3rd Aug 2025442 AMAQI
3rd Aug 2025423 AMAQI
3rd Aug 2025484 AMAQI
20°C13/25°C
3rd Aug 2025435 AMAQI
5 AM1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 PM
35AQI
17 hours / Day
510 hours / Month
Avg. Lowest Time
5 AM - 9 PM
35AQI
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. 35), while the lowest AQI was between 5 AM to 9 PM (Avg. 35).
Night time
Avg. Highest Time
12 AM - 11 PM
34AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 11 PM
34AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 34), while the lowest AQI was between 12 AM to 11 PM (Avg. 34).
2025 Days Vs Air Quality
Northwest Calgary, Calgary, Alberta, Canada
2025
95%
123
5%
7
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
123 DaysModerate
7 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 215 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 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 March 2025
31AQI
31AQI
2nd March 2025
24AQI
24AQI
3rd March 2025
27AQI
27AQI
4th March 2025
23AQI
23AQI
5th March 2025
28AQI
28AQI
6th March 2025
26AQI
26AQI
1st April 2025
34AQI
34AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
25AQI
25AQI
4th April 2025
25AQI
25AQI
5th April 2025
23AQI
23AQI
6th April 2025
22AQI
22AQI
7th April 2025
32AQI
32AQI
8th April 2025
16AQI
16AQI
9th April 2025
22AQI
22AQI
10th April 2025
23AQI
23AQI
11th April 2025
25AQI
25AQI
12th April 2025
28AQI
28AQI
13th April 2025
20AQI
20AQI
14th April 2025
26AQI
26AQI
15th April 2025
26AQI
26AQI
16th April 2025
23AQI
23AQI
17th April 2025
18AQI
18AQI
18th April 2025
22AQI
22AQI
19th April 2025
22AQI
22AQI
20th April 2025
20AQI
20AQI
21st April 2025
26AQI
26AQI
22nd April 2025
16AQI
16AQI
23rd April 2025
23AQI
23AQI
24th April 2025
35AQI
35AQI
25th April 2025
35AQI
35AQI
26th April 2025
32AQI
32AQI
27th April 2025
32AQI
32AQI
28th April 2025
30AQI
30AQI
29th April 2025
17AQI
17AQI
30th April 2025
18AQI
18AQI
1st May 2025
26AQI
26AQI
2nd May 2025
27AQI
27AQI
3rd May 2025
39AQI
39AQI
4th May 2025
23AQI
23AQI
5th May 2025
15AQI
15AQI
6th May 2025
24AQI
24AQI
7th May 2025
28AQI
28AQI
8th May 2025
27AQI
27AQI
9th May 2025
26AQI
26AQI
10th May 2025
32AQI
32AQI
11th May 2025
27AQI
27AQI
12th May 2025
31AQI
31AQI
13th May 2025
23AQI
23AQI
14th May 2025
29AQI
29AQI
15th May 2025
22AQI
22AQI
16th May 2025
36AQI
36AQI
17th May 2025
33AQI
33AQI
18th May 2025
34AQI
34AQI
19th May 2025
23AQI
23AQI
20th May 2025
16AQI
16AQI
21st May 2025
15AQI
15AQI
22nd May 2025
22AQI
22AQI
23rd May 2025
24AQI
24AQI
24th May 2025
25AQI
25AQI
25th May 2025
28AQI
28AQI
26th May 2025
28AQI
28AQI
27th May 2025
19AQI
19AQI
28th May 2025
23AQI
23AQI
29th May 2025
36AQI
36AQI
30th May 2025
27AQI
27AQI
31st May 2025
26AQI
26AQI
1st June 2025
17AQI
17AQI
2nd June 2025
19AQI
19AQI
3rd June 2025
26AQI
26AQI
4th June 2025
38AQI
38AQI
5th June 2025
35AQI
35AQI
6th June 2025
30AQI
30AQI
7th June 2025
38AQI
38AQI
8th June 2025
55AQI
55AQI
9th June 2025
55AQI
55AQI
10th June 2025
55AQI
55AQI
11th June 2025
57AQI
57AQI
12th June 2025
59AQI
59AQI
13th June 2025
49AQI
49AQI
14th June 2025
29AQI
29AQI
15th June 2025
26AQI
26AQI
16th June 2025
28AQI
28AQI
17th June 2025
36AQI
36AQI
18th June 2025
41AQI
41AQI
19th June 2025
31AQI
31AQI
20th June 2025
32AQI
32AQI
21st June 2025
23AQI
23AQI
22nd June 2025
21AQI
21AQI
23rd June 2025
35AQI
35AQI
24th June 2025
45AQI
45AQI
25th June 2025
48AQI
48AQI
26th June 2025
30AQI
30AQI
27th June 2025
27AQI
27AQI
28th June 2025
18AQI
18AQI
29th June 2025
15AQI
15AQI
30th June 2025
21AQI
21AQI
1st July 2025
27AQI
27AQI
2nd July 2025
35AQI
35AQI
3rd July 2025
25AQI
25AQI
4th July 2025
24AQI
24AQI
5th July 2025
23AQI
23AQI
6th July 2025
21AQI
21AQI
7th July 2025
22AQI
22AQI
8th July 2025
29AQI
29AQI
9th July 2025
31AQI
31AQI
10th July 2025
25AQI
25AQI
11th July 2025
23AQI
23AQI
12th July 2025
27AQI
27AQI
13th July 2025
23AQI
23AQI
14th July 2025
19AQI
19AQI
15th July 2025
33AQI
33AQI
16th July 2025
46AQI
46AQI
17th July 2025
49AQI
49AQI
18th July 2025
47AQI
47AQI
19th July 2025
32AQI
32AQI
20th July 2025
25AQI
25AQI
21st July 2025
30AQI
30AQI
22nd July 2025
41AQI
41AQI
23rd July 2025
44AQI
44AQI
24th July 2025
38AQI
38AQI
25th July 2025
30AQI
30AQI
26th July 2025
29AQI
29AQI
27th July 2025
41AQI
41AQI
28th July 2025
47AQI
47AQI
29th July 2025
39AQI
39AQI
30th July 2025
45AQI
45AQI
31st July 2025
48AQI
48AQI
1st August 2025
54AQI
54AQI
2nd August 2025
53AQI
53AQI
27AQI
25AQI
26AQI
35AQI
33AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202530AQI
6
30
31
25
5
31
2
123
7
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
April25AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
30AQILeast Polluted Year Recorded
2025(Avg.)
30AQINorthwest Calgary's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
