Ottawa, Ontario, 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
Ottawa, Ontario, Canada
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Aug 2023
75AQILowest AQI recorded on
9th Aug 2024
14AQISame Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 11th Aug - 12th Aug 2026
Ottawa, Ontario, Canada
AQI
Day
Night
.
5 AM11th Aug 2026
8 PM
4 AM12th Aug 2026
Day time
Avg. Highest Time
8PM11th Aug
32AQI
Avg. Lowest Time
6PM11th Aug
21AQI
Night time
Avg. Highest Time
10PM11th Aug
37AQI
Avg. Lowest Time
1AM12th Aug
24AQI
In the last 24 hours,
Ottawa's AQI reached its highest point of 37 at 10 PM during the Night, while the lowest point, 21, was recorded at 6 PM during the Day between 11th Aug and 12th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ottawa, Ontario, Canada
JulAug
14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th
Day
Night
14th Jul 2026365 AMAQI
14th Jul 2026356 AMAQI
14th Jul 2026367 AMAQI
14th Jul 2026378 AMAQI
14th Jul 2026379 AMAQI
14th Jul 20263810 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20264112 PMAQI
14th Jul 2026381 PMAQI
14th Jul 2026352 PMAQI
14th Jul 2026373 PMAQI
14th Jul 2026404 PMAQI
14th Jul 2026405 PMAQI
14th Jul 2026426 PMAQI
14th Jul 2026577 PMAQI
14th Jul 2026478 PMAQI
14th Jul 2026669 PMAQI
14th Jul 20268010 PMAQI
14th Jul 20267611 PMAQI
15th Jul 20267012 AMAQI
15th Jul 2026681 AMAQI
15th Jul 2026662 AMAQI
15th Jul 2026663 AMAQI
15th Jul 2026654 AMAQI
28°C22/36°C
15th Jul 2026625 AMAQI
15th Jul 2026586 AMAQI
15th Jul 2026557 AMAQI
15th Jul 2026508 AMAQI
15th Jul 2026489 AMAQI
15th Jul 20265210 AMAQI
15th Jul 20265411 AMAQI
15th Jul 20264612 PMAQI
15th Jul 2026381 PMAQI
15th Jul 2026362 PMAQI
15th Jul 2026343 PMAQI
15th Jul 2026974 PMAQI
15th Jul 2026345 PMAQI
15th Jul 2026326 PMAQI
15th Jul 2026307 PMAQI
15th Jul 2026318 PMAQI
15th Jul 2026319 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20263311 PMAQI
16th Jul 20263612 AMAQI
16th Jul 2026391 AMAQI
16th Jul 2026442 AMAQI
16th Jul 2026483 AMAQI
16th Jul 2026534 AMAQI
24°C20/29°C
16th Jul 2026565 AMAQI
16th Jul 2026626 AMAQI
16th Jul 2026667 AMAQI
16th Jul 2026778 AMAQI
16th Jul 2026889 AMAQI
16th Jul 20268610 AMAQI
16th Jul 20267011 AMAQI
16th Jul 20267112 PMAQI
16th Jul 2026681 PMAQI
16th Jul 2026732 PMAQI
16th Jul 2026323 PMAQI
16th Jul 2026294 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026296 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026298 PMAQI
16th Jul 2026309 PMAQI
16th Jul 20262910 PMAQI
16th Jul 20262811 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026261 AMAQI
17th Jul 2026252 AMAQI
17th Jul 2026303 AMAQI
17th Jul 2026344 AMAQI
22°C18/29°C
17th Jul 2026405 AMAQI
17th Jul 2026386 AMAQI
17th Jul 2026427 AMAQI
17th Jul 2026408 AMAQI
17th Jul 2026439 AMAQI
17th Jul 20264410 AMAQI
17th Jul 20264011 AMAQI
17th Jul 20263512 PMAQI
17th Jul 2026381 PMAQI
17th Jul 2026482 PMAQI
17th Jul 2026413 PMAQI
17th Jul 2026444 PMAQI
17th Jul 2026415 PMAQI
17th Jul 2026386 PMAQI
17th Jul 2026327 PMAQI
17th Jul 2026328 PMAQI
17th Jul 2026309 PMAQI
17th Jul 20263210 PMAQI
17th Jul 20263111 PMAQI
18th Jul 20262212 AMAQI
18th Jul 2026361 AMAQI
18th Jul 2026592 AMAQI
18th Jul 2026313 AMAQI
18th Jul 2026404 AMAQI
21°C14/29°C
18th Jul 2026425 AMAQI
18th Jul 2026346 AMAQI
18th Jul 2026407 AMAQI
18th Jul 2026448 AMAQI
18th Jul 2026449 AMAQI
18th Jul 20265110 AMAQI
18th Jul 20264311 AMAQI
18th Jul 20264612 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026582 PMAQI
18th Jul 2026703 PMAQI
18th Jul 2026644 PMAQI
18th Jul 2026665 PMAQI
18th Jul 2026606 PMAQI
18th Jul 2026907 PMAQI
18th Jul 2026408 PMAQI
18th Jul 2026349 PMAQI
18th Jul 20263410 PMAQI
18th Jul 20262811 PMAQI
19th Jul 20263012 AMAQI
19th Jul 2026311 AMAQI
19th Jul 2026402 AMAQI
19th Jul 2026523 AMAQI
19th Jul 2026564 AMAQI
19°C16/24°C
19th Jul 2026505 AMAQI
19th Jul 2026326 AMAQI
19th Jul 2026347 AMAQI
19th Jul 2026368 AMAQI
19th Jul 2026299 AMAQI
19th Jul 20263810 AMAQI
19th Jul 20265011 AMAQI
19th Jul 20263812 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026402 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026454 PMAQI
19th Jul 2026415 PMAQI
19th Jul 2026446 PMAQI
19th Jul 2026327 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026269 PMAQI
19th Jul 20263310 PMAQI
19th Jul 20263411 PMAQI
20th Jul 20263612 AMAQI
20th Jul 2026401 AMAQI
20th Jul 2026612 AMAQI
20th Jul 2026363 AMAQI
20th Jul 2026424 AMAQI
18°C13/25°C
20th Jul 2026345 AMAQI
20th Jul 2026346 AMAQI
20th Jul 2026267 AMAQI
20th Jul 2026258 AMAQI
20th Jul 2026309 AMAQI
20th Jul 20262510 AMAQI
20th Jul 20262711 AMAQI
20th Jul 20262812 PMAQI
20th Jul 2026231 PMAQI
20th Jul 2026222 PMAQI
20th Jul 2026233 PMAQI
20th Jul 2026264 PMAQI
20th Jul 2026255 PMAQI
20th Jul 2026266 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026278 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20264710 PMAQI
21st Jul 20264812 AMAQI
21st Jul 2026461 AMAQI
21st Jul 2026412 AMAQI
21st Jul 2026383 AMAQI
21st Jul 2026314 AMAQI
20°C14/29°C
21st Jul 2026525 AMAQI
21st Jul 2026366 AMAQI
21st Jul 2026527 AMAQI
21st Jul 2026288 AMAQI
21st Jul 2026539 AMAQI
21st Jul 20264010 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20265512 PMAQI
21st Jul 2026621 PMAQI
21st Jul 2026632 PMAQI
21st Jul 2026643 PMAQI
21st Jul 2026644 PMAQI
21st Jul 2026685 PMAQI
21st Jul 2026516 PMAQI
21st Jul 2026347 PMAQI
21st Jul 2026248 PMAQI
21st Jul 2026259 PMAQI
21st Jul 20262210 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262712 AMAQI
22nd Jul 2026301 AMAQI
22nd Jul 2026262 AMAQI
22nd Jul 2026223 AMAQI
22nd Jul 2026284 AMAQI
21°C18/25°C
22nd Jul 2026275 AMAQI
22nd Jul 2026276 AMAQI
22nd Jul 2026297 AMAQI
22nd Jul 2026268 AMAQI
22nd Jul 2026269 AMAQI
22nd Jul 20262710 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026242 PMAQI
22nd Jul 2026223 PMAQI
22nd Jul 2026224 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026236 PMAQI
22nd Jul 2026267 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026269 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20261811 PMAQI
23rd Jul 20262012 AMAQI
23rd Jul 2026241 AMAQI
23rd Jul 2026322 AMAQI
23rd Jul 2026363 AMAQI
23rd Jul 2026204 AMAQI
17°C13/20°C
23rd Jul 2026205 AMAQI
23rd Jul 2026216 AMAQI
23rd Jul 2026227 AMAQI
23rd Jul 2026368 AMAQI
23rd Jul 2026299 AMAQI
23rd Jul 20263110 AMAQI
23rd Jul 20262611 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026231 PMAQI
23rd Jul 2026222 PMAQI
23rd Jul 2026243 PMAQI
23rd Jul 2026244 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026526 PMAQI
23rd Jul 2026507 PMAQI
23rd Jul 2026518 PMAQI
23rd Jul 2026409 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026241 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026263 AMAQI
24th Jul 2026264 AMAQI
18°C11/27°C
24th Jul 2026255 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026267 AMAQI
24th Jul 2026268 AMAQI
24th Jul 2026289 AMAQI
24th Jul 20262810 AMAQI
24th Jul 20262311 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026341 PMAQI
24th Jul 2026242 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026254 PMAQI
24th Jul 2026245 PMAQI
24th Jul 2026336 PMAQI
24th Jul 2026297 PMAQI
24th Jul 2026288 PMAQI
24th Jul 2026289 PMAQI
24th Jul 20262810 PMAQI
24th Jul 20262211 PMAQI
25th Jul 20262812 AMAQI
25th Jul 2026301 AMAQI
25th Jul 2026282 AMAQI
25th Jul 2026363 AMAQI
25th Jul 2026274 AMAQI
21°C14/30°C
25th Jul 2026285 AMAQI
25th Jul 2026286 AMAQI
25th Jul 2026307 AMAQI
25th Jul 2026308 AMAQI
25th Jul 2026289 AMAQI
25th Jul 20262310 AMAQI
25th Jul 20262311 AMAQI
25th Jul 20262312 PMAQI
25th Jul 2026221 PMAQI
25th Jul 2026242 PMAQI
25th Jul 2026283 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026265 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026227 PMAQI
25th Jul 2026228 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20262810 PMAQI
25th Jul 20263111 PMAQI
26th Jul 20263912 AMAQI
26th Jul 2026401 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026403 AMAQI
26th Jul 2026384 AMAQI
22°C13/31°C
26th Jul 2026375 AMAQI
26th Jul 2026386 AMAQI
26th Jul 2026377 AMAQI
26th Jul 2026368 AMAQI
26th Jul 2026399 AMAQI
26th Jul 20264110 AMAQI
26th Jul 20263811 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026282 PMAQI
26th Jul 2026263 PMAQI
26th Jul 2026264 PMAQI
26th Jul 2026265 PMAQI
26th Jul 2026246 PMAQI
26th Jul 2026267 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026249 PMAQI
26th Jul 20262610 PMAQI
26th Jul 20262711 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026411 AMAQI
27th Jul 2026462 AMAQI
27th Jul 2026473 AMAQI
27th Jul 2026464 AMAQI
23°C16/29°C
27th Jul 2026455 AMAQI
27th Jul 2026476 AMAQI
27th Jul 2026437 AMAQI
27th Jul 2026448 AMAQI
27th Jul 2026449 AMAQI
27th Jul 20264610 AMAQI
27th Jul 20264911 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026501 PMAQI
27th Jul 2026482 PMAQI
27th Jul 2026463 PMAQI
27th Jul 2026444 PMAQI
27th Jul 2026445 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026438 PMAQI
27th Jul 2026449 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20264211 PMAQI
28th Jul 20264212 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026432 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026444 AMAQI
25°C18/32°C
28th Jul 2026475 AMAQI
28th Jul 2026466 AMAQI
28th Jul 2026477 AMAQI
28th Jul 2026468 AMAQI
28th Jul 2026439 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20263611 AMAQI
28th Jul 20263612 PMAQI
28th Jul 2026401 PMAQI
28th Jul 2026402 PMAQI
28th Jul 2026383 PMAQI
28th Jul 2026374 PMAQI
28th Jul 2026345 PMAQI
28th Jul 2026326 PMAQI
28th Jul 2026327 PMAQI
28th Jul 2026328 PMAQI
28th Jul 2026319 PMAQI
28th Jul 20263210 PMAQI
28th Jul 20263411 PMAQI
29th Jul 20263312 AMAQI
29th Jul 2026381 AMAQI
29th Jul 2026422 AMAQI
29th Jul 2026463 AMAQI
29th Jul 2026394 AMAQI
21°C19/22°C
29th Jul 2026505 AMAQI
29th Jul 2026506 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026419 AMAQI
29th Jul 20263610 AMAQI
29th Jul 20262611 AMAQI
29th Jul 20262812 PMAQI
29th Jul 2026281 PMAQI
29th Jul 2026282 PMAQI
29th Jul 2026323 PMAQI
29th Jul 2026234 PMAQI
29th Jul 2026245 PMAQI
29th Jul 2026286 PMAQI
29th Jul 2026277 PMAQI
29th Jul 2026258 PMAQI
29th Jul 2026249 PMAQI
29th Jul 20262810 PMAQI
29th Jul 20262911 PMAQI
30th Jul 20263012 AMAQI
30th Jul 2026381 AMAQI
30th Jul 2026302 AMAQI
30th Jul 2026303 AMAQI
30th Jul 2026464 AMAQI
21°C20/22°C
30th Jul 2026345 AMAQI
30th Jul 2026326 AMAQI
30th Jul 2026267 AMAQI
30th Jul 2026308 AMAQI
30th Jul 2026349 AMAQI
30th Jul 20263310 AMAQI
30th Jul 20262811 AMAQI
30th Jul 20262712 PMAQI
30th Jul 2026341 PMAQI
30th Jul 2026342 PMAQI
30th Jul 2026343 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026305 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20262810 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026222 AMAQI
31st Jul 2026263 AMAQI
31st Jul 2026294 AMAQI
23°C18/29°C
31st Jul 2026245 AMAQI
31st Jul 2026266 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20263010 AMAQI
31st Jul 20263011 AMAQI
31st Jul 20263012 PMAQI
31st Jul 2026341 PMAQI
31st Jul 2026322 PMAQI
31st Jul 2026463 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026335 PMAQI
31st Jul 2026286 PMAQI
31st Jul 2026247 PMAQI
31st Jul 2026248 PMAQI
31st Jul 2026249 PMAQI
31st Jul 20262710 PMAQI
31st Jul 20263211 PMAQI
1st Aug 20262212 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026333 AMAQI
1st Aug 2026244 AMAQI
23°C15/31°C
1st Aug 2026225 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026228 AMAQI
1st Aug 2026329 AMAQI
1st Aug 20262410 AMAQI
1st Aug 20262211 AMAQI
1st Aug 20262212 PMAQI
1st Aug 2026221 PMAQI
1st Aug 2026212 PMAQI
1st Aug 2026263 PMAQI
1st Aug 2026244 PMAQI
1st Aug 2026245 PMAQI
1st Aug 2026236 PMAQI
1st Aug 2026227 PMAQI
1st Aug 2026228 PMAQI
1st Aug 2026269 PMAQI
1st Aug 20262610 PMAQI
1st Aug 20262411 PMAQI
2nd Aug 20262412 AMAQI
2nd Aug 2026241 AMAQI
2nd Aug 2026282 AMAQI
2nd Aug 2026283 AMAQI
2nd Aug 2026304 AMAQI
23°C18/30°C
2nd Aug 2026285 AMAQI
2nd Aug 2026326 AMAQI
2nd Aug 2026327 AMAQI
2nd Aug 2026368 AMAQI
2nd Aug 2026329 AMAQI
2nd Aug 20263210 AMAQI
2nd Aug 20263111 AMAQI
2nd Aug 20263012 PMAQI
2nd Aug 2026301 PMAQI
2nd Aug 2026232 PMAQI
2nd Aug 2026223 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026245 PMAQI
2nd Aug 2026246 PMAQI
2nd Aug 2026307 PMAQI
2nd Aug 2026308 PMAQI
2nd Aug 2026459 PMAQI
2nd Aug 20263210 PMAQI
2nd Aug 20262211 PMAQI
3rd Aug 20262212 AMAQI
3rd Aug 2026211 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026223 AMAQI
3rd Aug 2026244 AMAQI
22°C20/24°C
3rd Aug 2026225 AMAQI
3rd Aug 2026236 AMAQI
3rd Aug 2026257 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026269 AMAQI
3rd Aug 20262910 AMAQI
3rd Aug 20263211 AMAQI
3rd Aug 20264612 PMAQI
3rd Aug 2026501 PMAQI
3rd Aug 2026252 PMAQI
3rd Aug 2026183 PMAQI
3rd Aug 2026174 PMAQI
3rd Aug 2026165 PMAQI
3rd Aug 2026206 PMAQI
3rd Aug 2026217 PMAQI
3rd Aug 2026248 PMAQI
3rd Aug 2026209 PMAQI
3rd Aug 20262010 PMAQI
3rd Aug 20265111 PMAQI
4th Aug 20264912 AMAQI
4th Aug 2026421 AMAQI
4th Aug 2026482 AMAQI
4th Aug 2026443 AMAQI
4th Aug 2026384 AMAQI
20°C18/26°C
4th Aug 2026625 AMAQI
4th Aug 2026606 AMAQI
4th Aug 2026607 AMAQI
4th Aug 2026418 AMAQI
4th Aug 2026269 AMAQI
4th Aug 20262910 AMAQI
4th Aug 20263311 AMAQI
4th Aug 20263312 PMAQI
4th Aug 2026271 PMAQI
4th Aug 2026242 PMAQI
4th Aug 2026233 PMAQI
4th Aug 2026254 PMAQI
4th Aug 2026295 PMAQI
4th Aug 2026256 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026299 PMAQI
4th Aug 20262410 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026301 AMAQI
5th Aug 2026302 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026364 AMAQI
21°C14/30°C
5th Aug 2026255 AMAQI
5th Aug 2026396 AMAQI
5th Aug 2026447 AMAQI
5th Aug 2026238 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262210 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262512 PMAQI
5th Aug 2026341 PMAQI
5th Aug 2026342 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026275 PMAQI
5th Aug 2026266 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026298 PMAQI
5th Aug 2026469 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20264611 PMAQI
6th Aug 20262712 AMAQI
6th Aug 2026301 AMAQI
6th Aug 2026252 AMAQI
6th Aug 2026293 AMAQI
6th Aug 2026374 AMAQI
23°C15/31°C
6th Aug 2026245 AMAQI
6th Aug 2026346 AMAQI
6th Aug 2026327 AMAQI
6th Aug 2026428 AMAQI
6th Aug 2026229 AMAQI
6th Aug 20263510 AMAQI
6th Aug 20262411 AMAQI
6th Aug 20262412 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026362 PMAQI
6th Aug 2026223 PMAQI
6th Aug 2026314 PMAQI
6th Aug 2026245 PMAQI
6th Aug 2026266 PMAQI
6th Aug 2026247 PMAQI
6th Aug 2026408 PMAQI
6th Aug 2026409 PMAQI
6th Aug 20265610 PMAQI
6th Aug 20264211 PMAQI
7th Aug 20263612 AMAQI
7th Aug 2026251 AMAQI
7th Aug 2026252 AMAQI
7th Aug 2026273 AMAQI
7th Aug 2026284 AMAQI
24°C18/32°C
7th Aug 2026265 AMAQI
7th Aug 2026276 AMAQI
7th Aug 2026267 AMAQI
7th Aug 2026268 AMAQI
7th Aug 2026269 AMAQI
7th Aug 20262610 AMAQI
7th Aug 20262711 AMAQI
7th Aug 20262612 PMAQI
7th Aug 2026281 PMAQI
7th Aug 2026392 PMAQI
7th Aug 2026393 PMAQI
7th Aug 2026414 PMAQI
7th Aug 2026405 PMAQI
7th Aug 2026386 PMAQI
7th Aug 2026267 PMAQI
7th Aug 2026288 PMAQI
7th Aug 2026299 PMAQI
7th Aug 20262710 PMAQI
7th Aug 20262811 PMAQI
8th Aug 20263012 AMAQI
8th Aug 2026341 AMAQI
8th Aug 2026332 AMAQI
8th Aug 2026363 AMAQI
8th Aug 2026374 AMAQI
25°C21/31°C
8th Aug 2026365 AMAQI
8th Aug 2026386 AMAQI
8th Aug 2026387 AMAQI
8th Aug 2026388 AMAQI
8th Aug 2026409 AMAQI
8th Aug 20264210 AMAQI
8th Aug 20264111 AMAQI
8th Aug 20264012 PMAQI
8th Aug 2026401 PMAQI
8th Aug 2026372 PMAQI
8th Aug 2026303 PMAQI
8th Aug 2026304 PMAQI
8th Aug 2026275 PMAQI
8th Aug 2026276 PMAQI
8th Aug 2026267 PMAQI
8th Aug 2026288 PMAQI
8th Aug 2026239 PMAQI
8th Aug 20262410 PMAQI
8th Aug 20262411 PMAQI
9th Aug 20262312 AMAQI
9th Aug 2026231 AMAQI
9th Aug 2026242 AMAQI
9th Aug 2026223 AMAQI
9th Aug 2026234 AMAQI
23°C20/29°C
9th Aug 2026235 AMAQI
9th Aug 2026236 AMAQI
9th Aug 2026257 AMAQI
9th Aug 2026258 AMAQI
9th Aug 2026249 AMAQI
9th Aug 20262610 AMAQI
9th Aug 20262411 AMAQI
9th Aug 20262512 PMAQI
9th Aug 2026281 PMAQI
9th Aug 2026252 PMAQI
9th Aug 2026223 PMAQI
9th Aug 2026224 PMAQI
9th Aug 2026225 PMAQI
9th Aug 2026236 PMAQI
9th Aug 2026217 PMAQI
9th Aug 2026248 PMAQI
9th Aug 2026379 PMAQI
9th Aug 20263810 PMAQI
9th Aug 20262511 PMAQI
10th Aug 20262412 AMAQI
10th Aug 2026481 AMAQI
10th Aug 2026492 AMAQI
10th Aug 2026513 AMAQI
10th Aug 2026254 AMAQI
23°C19/27°C
10th Aug 2026235 AMAQI
10th Aug 2026256 AMAQI
10th Aug 2026257 AMAQI
10th Aug 2026298 AMAQI
10th Aug 2026269 AMAQI
10th Aug 20262510 AMAQI
10th Aug 20262511 AMAQI
10th Aug 20262712 PMAQI
10th Aug 2026251 PMAQI
10th Aug 2026222 PMAQI
10th Aug 2026253 PMAQI
10th Aug 2026254 PMAQI
10th Aug 2026335 PMAQI
10th Aug 2026226 PMAQI
10th Aug 2026417 PMAQI
10th Aug 2026298 PMAQI
10th Aug 2026419 PMAQI
10th Aug 20264010 PMAQI
10th Aug 20264211 PMAQI
11th Aug 20264412 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026402 AMAQI
11th Aug 2026293 AMAQI
11th Aug 2026284 AMAQI
22°C18/28°C
11th Aug 2026275 AMAQI
11th Aug 2026256 AMAQI
11th Aug 2026277 AMAQI
11th Aug 2026278 AMAQI
11th Aug 2026279 AMAQI
11th Aug 20262810 AMAQI
11th Aug 20262711 AMAQI
11th Aug 20262812 PMAQI
11th Aug 2026251 PMAQI
11th Aug 2026242 PMAQI
11th Aug 2026243 PMAQI
11th Aug 2026234 PMAQI
11th Aug 2026225 PMAQI
11th Aug 2026216 PMAQI
11th Aug 2026267 PMAQI
11th Aug 2026328 PMAQI
11th Aug 2026329 PMAQI
11th Aug 20263710 PMAQI
11th Aug 20262611 PMAQI
12th Aug 20262712 AMAQI
12th Aug 2026241 AMAQI
12th Aug 2026312 AMAQI
12th Aug 2026333 AMAQI
12th Aug 2026314 AMAQI
21°C16/27°C
12th Aug 2026275 AMAQI
5 AM12th Aug 2026276 AMAQI
12th Aug 2026217 AMAQI
12th Aug 2026228 AMAQI
12th Aug 2026259 AMAQI
12th Aug 20262910 AMAQI
12th Aug 20262411 AMAQI
12th Aug 20266612 PMAQI
12 PM12th Aug 2026611 PMAQI
12th Aug 2026542 PMAQI
12th Aug 2026413 PMAQI
12th Aug 2026254 PMAQI
12th Aug 2026325 PMAQI
12th Aug 2026346 PMAQI
12th Aug 2026387 PMAQI
12th Aug 2026308 PMAQI
8 PM12th Aug 2026289 PMAQI
12th Aug 20263510 PMAQI
12th Aug 20263511 PMAQI
12 AM
4 AM
21°C15/29°C
Day time
Avg. Highest Time
5 AM - 2 PM
35AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
8 PM
30AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 2 PM (Avg. 35), while the lowest AQI was between 8 PM to 8 PM (Avg. 30).
Night time
Avg. Highest Time
2 AM - 4 AM
36AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
9 PM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 36), while the lowest AQI was between 9 PM to 9 PM (Avg. 32).
2026 Days Vs Air Quality
Ottawa, Ontario, Canada
2026
94%
208
6%
13
Total number of days with different AQI categories in last 224 days in 2026 (141 days remaining)
Good
208 DaysModerate
13 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 224 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
Ottawa, Ontario, 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
19AQI (US)
19AQI (US)
2nd January 2026
45AQI (US)
45AQI (US)
3rd January 2026
18AQI (US)
18AQI (US)
4th January 2026
28AQI (US)
28AQI (US)
5th January 2026
39AQI (US)
39AQI (US)
6th January 2026
54AQI (US)
54AQI (US)
7th January 2026
56AQI (US)
56AQI (US)
8th January 2026
45AQI (US)
45AQI (US)
9th January 2026
46AQI (US)
46AQI (US)
10th January 2026
14AQI (US)
14AQI (US)
11th January 2026
17AQI (US)
17AQI (US)
12th January 2026
20AQI (US)
20AQI (US)
13th January 2026
50AQI (US)
50AQI (US)
14th January 2026
42AQI (US)
42AQI (US)
15th January 2026
16AQI (US)
16AQI (US)
16th January 2026
15AQI (US)
15AQI (US)
17th January 2026
33AQI (US)
33AQI (US)
18th January 2026
33AQI (US)
33AQI (US)
19th January 2026
43AQI (US)
43AQI (US)
20th January 2026
19AQI (US)
19AQI (US)
21st January 2026
25AQI (US)
25AQI (US)
22nd January 2026
49AQI (US)
49AQI (US)
23rd January 2026
53AQI (US)
53AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
47AQI (US)
47AQI (US)
26th January 2026
47AQI (US)
47AQI (US)
27th January 2026
44AQI (US)
44AQI (US)
28th January 2026
48AQI (US)
48AQI (US)
29th January 2026
52AQI (US)
52AQI (US)
30th January 2026
51AQI (US)
51AQI (US)
31st January 2026
45AQI (US)
45AQI (US)
1st February 2026
47AQI (US)
47AQI (US)
2nd February 2026
50AQI (US)
50AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
49AQI (US)
49AQI (US)
5th February 2026
48AQI (US)
48AQI (US)
6th February 2026
40AQI (US)
40AQI (US)
7th February 2026
38AQI (US)
38AQI (US)
8th February 2026
46AQI (US)
46AQI (US)
9th February 2026
47AQI (US)
47AQI (US)
10th February 2026
44AQI (US)
44AQI (US)
11th February 2026
41AQI (US)
41AQI (US)
12th February 2026
40AQI (US)
40AQI (US)
13th February 2026
48AQI (US)
48AQI (US)
14th February 2026
48AQI (US)
48AQI (US)
15th February 2026
38AQI (US)
38AQI (US)
16th February 2026
43AQI (US)
43AQI (US)
17th February 2026
44AQI (US)
44AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
40AQI (US)
40AQI (US)
20th February 2026
39AQI (US)
39AQI (US)
21st February 2026
35AQI (US)
35AQI (US)
22nd February 2026
36AQI (US)
36AQI (US)
23rd February 2026
40AQI (US)
40AQI (US)
24th February 2026
46AQI (US)
46AQI (US)
25th February 2026
42AQI (US)
42AQI (US)
26th February 2026
36AQI (US)
36AQI (US)
27th February 2026
36AQI (US)
36AQI (US)
28th February 2026
39AQI (US)
39AQI (US)
1st March 2026
39AQI (US)
39AQI (US)
2nd March 2026
55AQI (US)
55AQI (US)
3rd March 2026
47AQI (US)
47AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
41AQI (US)
41AQI (US)
6th March 2026
38AQI (US)
38AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
40AQI (US)
40AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
34AQI (US)
34AQI (US)
11th March 2026
44AQI (US)
44AQI (US)
12th March 2026
42AQI (US)
42AQI (US)
13th March 2026
40AQI (US)
40AQI (US)
14th March 2026
37AQI (US)
37AQI (US)
15th March 2026
35AQI (US)
35AQI (US)
16th March 2026
36AQI (US)
36AQI (US)
17th March 2026
33AQI (US)
33AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
32AQI (US)
32AQI (US)
20th March 2026
36AQI (US)
36AQI (US)
21st March 2026
37AQI (US)
37AQI (US)
22nd March 2026
36AQI (US)
36AQI (US)
23rd March 2026
41AQI (US)
41AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
27AQI (US)
27AQI (US)
27th March 2026
28AQI (US)
28AQI (US)
28th March 2026
32AQI (US)
32AQI (US)
29th March 2026
30AQI (US)
30AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
25AQI (US)
25AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
31AQI (US)
31AQI (US)
3rd April 2026
27AQI (US)
27AQI (US)
4th April 2026
32AQI (US)
32AQI (US)
5th April 2026
29AQI (US)
29AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
31AQI (US)
31AQI (US)
9th April 2026
28AQI (US)
28AQI (US)
10th April 2026
30AQI (US)
30AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
26AQI (US)
26AQI (US)
13th April 2026
33AQI (US)
33AQI (US)
14th April 2026
32AQI (US)
32AQI (US)
15th April 2026
32AQI (US)
32AQI (US)
16th April 2026
30AQI (US)
30AQI (US)
17th April 2026
18th April 2026
29AQI (US)
29AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
27AQI (US)
27AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
25AQI (US)
25AQI (US)
25th April 2026
28AQI (US)
28AQI (US)
26th April 2026
32AQI (US)
32AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
20AQI (US)
20AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
33AQI (US)
33AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
28AQI (US)
28AQI (US)
9th May 2026
10th May 2026
33AQI (US)
33AQI (US)
11th May 2026
29AQI (US)
29AQI (US)
12th May 2026
25AQI (US)
25AQI (US)
13th May 2026
28AQI (US)
28AQI (US)
14th May 2026
23AQI (US)
23AQI (US)
15th May 2026
46AQI (US)
46AQI (US)
16th May 2026
53AQI (US)
53AQI (US)
17th May 2026
56AQI (US)
56AQI (US)
18th May 2026
58AQI (US)
58AQI (US)
19th May 2026
55AQI (US)
55AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
44AQI (US)
44AQI (US)
23rd May 2026
50AQI (US)
50AQI (US)
24th May 2026
48AQI (US)
48AQI (US)
25th May 2026
45AQI (US)
45AQI (US)
26th May 2026
28AQI (US)
28AQI (US)
27th May 2026
26AQI (US)
26AQI (US)
28th May 2026
19AQI (US)
19AQI (US)
29th May 2026
19AQI (US)
19AQI (US)
30th May 2026
20AQI (US)
20AQI (US)
31st May 2026
27AQI (US)
27AQI (US)
1st June 2026
28AQI (US)
28AQI (US)
2nd June 2026
25AQI (US)
25AQI (US)
3rd June 2026
23AQI (US)
23AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
28AQI (US)
28AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
25AQI (US)
25AQI (US)
9th June 2026
24AQI (US)
24AQI (US)
10th June 2026
27AQI (US)
27AQI (US)
11th June 2026
26AQI (US)
26AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
23AQI (US)
23AQI (US)
14th June 2026
23AQI (US)
23AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
26AQI (US)
26AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
24AQI (US)
24AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
21AQI (US)
21AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
24AQI (US)
24AQI (US)
24th June 2026
23AQI (US)
23AQI (US)
25th June 2026
26AQI (US)
26AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
27AQI (US)
27AQI (US)
2nd July 2026
27AQI (US)
27AQI (US)
3rd July 2026
28AQI (US)
28AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
27AQI (US)
27AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
39AQI (US)
39AQI (US)
11th July 2026
52AQI (US)
52AQI (US)
12th July 2026
69AQI (US)
69AQI (US)
13th July 2026
52AQI (US)
52AQI (US)
14th July 2026
44AQI (US)
44AQI (US)
15th July 2026
50AQI (US)
50AQI (US)
16th July 2026
50AQI (US)
50AQI (US)
17th July 2026
36AQI (US)
36AQI (US)
18th July 2026
47AQI (US)
47AQI (US)
19th July 2026
38AQI (US)
38AQI (US)
20th July 2026
32AQI (US)
32AQI (US)
21st July 2026
44AQI (US)
44AQI (US)
22nd July 2026
25AQI (US)
25AQI (US)
23rd July 2026
30AQI (US)
30AQI (US)
24th July 2026
27AQI (US)
27AQI (US)
25th July 2026
26AQI (US)
26AQI (US)
26th July 2026
33AQI (US)
33AQI (US)
27th July 2026
44AQI (US)
44AQI (US)
28th July 2026
39AQI (US)
39AQI (US)
29th July 2026
34AQI (US)
34AQI (US)
30th July 2026
31AQI (US)
31AQI (US)
31st July 2026
30AQI (US)
30AQI (US)
1st August 2026
24AQI (US)
24AQI (US)
2nd August 2026
29AQI (US)
29AQI (US)
3rd August 2026
26AQI (US)
26AQI (US)
4th August 2026
36AQI (US)
36AQI (US)
5th August 2026
31AQI (US)
31AQI (US)
6th August 2026
31AQI (US)
31AQI (US)
7th August 2026
30AQI (US)
30AQI (US)
8th August 2026
34AQI (US)
34AQI (US)
9th August 2026
25AQI (US)
25AQI (US)
10th August 2026
31AQI (US)
31AQI (US)
11th August 2026
29AQI (US)
29AQI (US)
12th August 2026
34AQI (US)
34AQI (US)
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
37AQI (US)
43AQI (US)
37AQI (US)
29AQI (US)
35AQI (US)
25AQI (US)
36AQI (US)
30AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202634AQI (US)
26
5
28
30
1
28
26
4
30
28
3
12
208
13
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202530AQI (US)
28
3
26
2
29
2
30
31
25
5
25
6
24
7
30
28
3
27
3
24
7
327
38
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202429AQI (US)
30
1
22
7
30
1
30
31
27
2
28
3
21
10
30
31
30
28
3
338
27
Highest AQI (US) recorded in
February36AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202337AQI (US)
30
1
22
6
29
2
30
30
1
14
9
2
5
19
11
1
25
6
23
7
29
2
27
2
25
6
303
53
3
5
Highest AQI (US) recorded in
June74AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202230AQI (US)
23
8
20
2
30
1
30
30
1
30
24
2
29
30
1
29
1
30
1
307
15
Highest AQI (US) recorded in
January40AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202130AQI (US)
23
6
25
3
26
5
30
31
30
25
6
25
6
30
31
29
1
28
3
333
30
Highest AQI (US) recorded in
August37AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
202026AQI (US)
13
21
18
30
31
31
30
31
24
6
28
3
257
9
Highest AQI (US) recorded in
November36AQI (US)
Lowest AQI (US) recorded in
October21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2023(Avg.)
37AQI (US)Least Polluted Year Recorded
2020(Avg.)
26AQI (US)Ottawa's annual 2026 AQI (US) (34) shows an average percentage change of 13.3% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (30), 2022 (30), 2023 (37), 2024 (29), 2025 (30).
