Lower Town, 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
Lower Town, Ottawa, Ontario, Canada
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
4th Aug 2025
70AQILowest AQI recorded on
18th Aug 2025
15AQISame Day Analysis (5th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 4th Aug - 5th Aug 2026
Lower Town, Ottawa, Ontario, Canada
AQI
Day
Night
.
5 AM4th Aug 2026
8 PM
4 AM5th Aug 2026
Day time
Avg. Highest Time
5AM4th Aug
62AQI
Avg. Lowest Time
7PM4th Aug
21AQI
Night time
Avg. Highest Time
4AM5th Aug
40AQI
Avg. Lowest Time
10PM4th Aug
24AQI
In the last 24 hours,
Lower Town's AQI reached its highest point of 62 at 5 AM during the Day, while the lowest point, 21, was recorded at 7 PM during the Day between 4th Aug and 5th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Lower Town, Ottawa, Ontario, Canada
JulAug
07th - 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 - 04th04th - 05th05th
Day
Night
7th Jul 2026305 AMAQI
7th Jul 2026326 AMAQI
7th Jul 2026307 AMAQI
7th Jul 2026288 AMAQI
7th Jul 2026289 AMAQI
7th Jul 20262610 AMAQI
7th Jul 20263311 AMAQI
7th Jul 20263212 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026342 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026304 PMAQI
7th Jul 2026315 PMAQI
7th Jul 2026326 PMAQI
7th Jul 2026307 PMAQI
7th Jul 2026298 PMAQI
7th Jul 2026289 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20262512 AMAQI
8th Jul 2026261 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026303 AMAQI
8th Jul 2026284 AMAQI
25°C18/31°C
8th Jul 2026265 AMAQI
8th Jul 2026206 AMAQI
8th Jul 2026247 AMAQI
8th Jul 2026258 AMAQI
8th Jul 2026249 AMAQI
8th Jul 20262710 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263012 PMAQI
8th Jul 2026321 PMAQI
8th Jul 2026322 PMAQI
8th Jul 2026283 PMAQI
8th Jul 2026314 PMAQI
8th Jul 2026305 PMAQI
8th Jul 2026326 PMAQI
8th Jul 2026287 PMAQI
8th Jul 2026248 PMAQI
8th Jul 2026269 PMAQI
8th Jul 20262410 PMAQI
8th Jul 20262711 PMAQI
9th Jul 20262912 AMAQI
9th Jul 2026241 AMAQI
9th Jul 2026282 AMAQI
9th Jul 2026283 AMAQI
9th Jul 2026284 AMAQI
25°C18/31°C
9th Jul 2026265 AMAQI
9th Jul 2026276 AMAQI
9th Jul 2026297 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026259 AMAQI
9th Jul 20262910 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20263212 PMAQI
9th Jul 2026311 PMAQI
9th Jul 2026302 PMAQI
9th Jul 2026273 PMAQI
9th Jul 2026304 PMAQI
9th Jul 2026305 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026307 PMAQI
9th Jul 2026328 PMAQI
9th Jul 2026329 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20262811 PMAQI
10th Jul 20262612 AMAQI
10th Jul 2026261 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026263 AMAQI
10th Jul 2026324 AMAQI
22°C19/24°C
10th Jul 2026315 AMAQI
10th Jul 2026346 AMAQI
10th Jul 2026357 AMAQI
10th Jul 2026328 AMAQI
10th Jul 2026349 AMAQI
10th Jul 20263610 AMAQI
10th Jul 20263411 AMAQI
10th Jul 20263812 PMAQI
10th Jul 2026321 PMAQI
10th Jul 2026342 PMAQI
10th Jul 2026303 PMAQI
10th Jul 2026544 PMAQI
10th Jul 2026665 PMAQI
10th Jul 2026586 PMAQI
10th Jul 2026527 PMAQI
10th Jul 2026518 PMAQI
10th Jul 2026509 PMAQI
10th Jul 20265210 PMAQI
10th Jul 20265311 PMAQI
11th Jul 20266012 AMAQI
11th Jul 2026581 AMAQI
11th Jul 2026522 AMAQI
11th Jul 2026493 AMAQI
11th Jul 2026484 AMAQI
22°C16/29°C
11th Jul 2026385 AMAQI
11th Jul 2026406 AMAQI
11th Jul 2026367 AMAQI
11th Jul 2026348 AMAQI
11th Jul 2026329 AMAQI
11th Jul 20263210 AMAQI
11th Jul 20263011 AMAQI
11th Jul 20263212 PMAQI
11th Jul 2026321 PMAQI
11th Jul 2026342 PMAQI
11th Jul 2026283 PMAQI
11th Jul 2026344 PMAQI
11th Jul 2026835 PMAQI
11th Jul 2026946 PMAQI
11th Jul 2026877 PMAQI
11th Jul 2026718 PMAQI
11th Jul 2026929 PMAQI
11th Jul 20268310 PMAQI
11th Jul 20268311 PMAQI
12th Jul 20267212 AMAQI
12th Jul 2026761 AMAQI
12th Jul 2026742 AMAQI
12th Jul 2026763 AMAQI
12th Jul 2026924 AMAQI
22°C15/29°C
12th Jul 2026905 AMAQI
12th Jul 2026906 AMAQI
12th Jul 2026887 AMAQI
12th Jul 2026868 AMAQI
12th Jul 2026949 AMAQI
12th Jul 20269010 AMAQI
12th Jul 20268511 AMAQI
12th Jul 20269012 PMAQI
12th Jul 2026841 PMAQI
12th Jul 2026712 PMAQI
12th Jul 2026473 PMAQI
12th Jul 2026514 PMAQI
12th Jul 2026515 PMAQI
12th Jul 2026446 PMAQI
12th Jul 2026427 PMAQI
12th Jul 2026408 PMAQI
12th Jul 2026409 PMAQI
12th Jul 20264410 PMAQI
12th Jul 20264811 PMAQI
13th Jul 20264812 AMAQI
13th Jul 2026441 AMAQI
13th Jul 2026442 AMAQI
13th Jul 2026403 AMAQI
13th Jul 2026384 AMAQI
22°C14/32°C
13th Jul 2026385 AMAQI
13th Jul 2026366 AMAQI
13th Jul 2026467 AMAQI
13th Jul 2026518 AMAQI
13th Jul 2026559 AMAQI
13th Jul 20266210 AMAQI
13th Jul 20266411 AMAQI
13th Jul 20267312 PMAQI
13th Jul 2026711 PMAQI
13th Jul 2026692 PMAQI
13th Jul 2026673 PMAQI
13th Jul 2026624 PMAQI
13th Jul 2026585 PMAQI
13th Jul 2026526 PMAQI
13th Jul 2026497 PMAQI
13th Jul 2026468 PMAQI
13th Jul 2026449 PMAQI
13th Jul 20264610 PMAQI
13th Jul 20264411 PMAQI
14th Jul 20264612 AMAQI
14th Jul 2026421 AMAQI
14th Jul 2026362 AMAQI
14th Jul 2026363 AMAQI
14th Jul 2026364 AMAQI
24°C17/30°C
14th Jul 2026365 AMAQI
14th Jul 2026366 AMAQI
14th Jul 2026387 AMAQI
14th Jul 2026388 AMAQI
14th Jul 2026389 AMAQI
14th Jul 20264010 AMAQI
14th Jul 20263811 AMAQI
14th Jul 20264112 PMAQI
14th Jul 2026401 PMAQI
14th Jul 2026362 PMAQI
14th Jul 2026363 PMAQI
14th Jul 2026394 PMAQI
14th Jul 2026405 PMAQI
14th Jul 2026426 PMAQI
14th Jul 2026577 PMAQI
14th Jul 2026488 PMAQI
14th Jul 2026669 PMAQI
14th Jul 20268210 PMAQI
14th Jul 20267611 PMAQI
15th Jul 20266812 AMAQI
15th Jul 2026661 AMAQI
15th Jul 2026662 AMAQI
15th Jul 2026683 AMAQI
15th Jul 2026654 AMAQI
28°C22/36°C
15th Jul 2026625 AMAQI
15th Jul 2026576 AMAQI
15th Jul 2026557 AMAQI
15th Jul 2026508 AMAQI
15th Jul 2026469 AMAQI
15th Jul 20265210 AMAQI
15th Jul 20265511 AMAQI
15th Jul 20264512 PMAQI
15th Jul 2026381 PMAQI
15th Jul 2026362 PMAQI
15th Jul 2026333 PMAQI
15th Jul 2026984 PMAQI
15th Jul 2026335 PMAQI
15th Jul 2026316 PMAQI
15th Jul 2026317 PMAQI
15th Jul 2026318 PMAQI
15th Jul 2026319 PMAQI
15th Jul 20263010 PMAQI
15th Jul 20263311 PMAQI
16th Jul 20263812 AMAQI
16th Jul 2026381 AMAQI
16th Jul 2026442 AMAQI
16th Jul 2026483 AMAQI
16th Jul 2026544 AMAQI
24°C20/29°C
16th Jul 2026565 AMAQI
16th Jul 2026626 AMAQI
16th Jul 2026667 AMAQI
16th Jul 2026788 AMAQI
16th Jul 2026909 AMAQI
16th Jul 20268810 AMAQI
16th Jul 20267011 AMAQI
16th Jul 20267012 PMAQI
16th Jul 2026671 PMAQI
16th Jul 2026722 PMAQI
16th Jul 2026323 PMAQI
16th Jul 2026304 PMAQI
16th Jul 2026305 PMAQI
16th Jul 2026306 PMAQI
16th Jul 2026267 PMAQI
16th Jul 2026308 PMAQI
16th Jul 2026309 PMAQI
16th Jul 20262810 PMAQI
16th Jul 20262911 PMAQI
17th Jul 20262612 AMAQI
17th Jul 2026271 AMAQI
17th Jul 2026262 AMAQI
17th Jul 2026443 AMAQI
17th Jul 2026554 AMAQI
22°C18/29°C
17th Jul 2026695 AMAQI
17th Jul 2026666 AMAQI
17th Jul 2026747 AMAQI
17th Jul 2026688 AMAQI
17th Jul 2026769 AMAQI
17th Jul 20267610 AMAQI
17th Jul 20266211 AMAQI
17th Jul 20265012 PMAQI
17th Jul 2026421 PMAQI
17th Jul 2026692 PMAQI
17th Jul 2026623 PMAQI
17th Jul 2026674 PMAQI
17th Jul 2026605 PMAQI
17th Jul 2026566 PMAQI
17th Jul 2026447 PMAQI
17th Jul 2026458 PMAQI
17th Jul 2026479 PMAQI
17th Jul 20265310 PMAQI
17th Jul 20264611 PMAQI
18th Jul 20262512 AMAQI
18th Jul 2026521 AMAQI
18th Jul 2026602 AMAQI
18th Jul 2026443 AMAQI
18th Jul 2026634 AMAQI
20°C13/27°C
18th Jul 2026625 AMAQI
18th Jul 2026566 AMAQI
18th Jul 2026407 AMAQI
18th Jul 2026448 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20265110 AMAQI
18th Jul 20264411 AMAQI
18th Jul 20264812 PMAQI
18th Jul 2026531 PMAQI
18th Jul 2026582 PMAQI
18th Jul 2026683 PMAQI
18th Jul 2026634 PMAQI
18th Jul 2026675 PMAQI
18th Jul 2026606 PMAQI
18th Jul 2026587 PMAQI
18th Jul 2026508 PMAQI
18th Jul 2026409 PMAQI
18th Jul 20263610 PMAQI
18th Jul 20263111 PMAQI
19th Jul 20262912 AMAQI
19th Jul 2026331 AMAQI
19th Jul 2026442 AMAQI
19th Jul 2026553 AMAQI
19th Jul 2026514 AMAQI
19°C16/24°C
19th Jul 2026465 AMAQI
19th Jul 2026336 AMAQI
19th Jul 2026567 AMAQI
19th Jul 2026508 AMAQI
19th Jul 2026339 AMAQI
19th Jul 20264410 AMAQI
19th Jul 20265011 AMAQI
19th Jul 20265012 PMAQI
19th Jul 2026471 PMAQI
19th Jul 2026562 PMAQI
19th Jul 2026723 PMAQI
19th Jul 2026644 PMAQI
19th Jul 2026565 PMAQI
19th Jul 2026506 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026268 PMAQI
19th Jul 2026269 PMAQI
19th Jul 20264310 PMAQI
19th Jul 20264611 PMAQI
20th Jul 20264212 AMAQI
20th Jul 2026601 AMAQI
20th Jul 2026662 AMAQI
20th Jul 2026403 AMAQI
20th Jul 2026624 AMAQI
18°C13/25°C
20th Jul 2026465 AMAQI
20th Jul 2026376 AMAQI
20th Jul 2026347 AMAQI
20th Jul 2026248 AMAQI
20th Jul 2026309 AMAQI
20th Jul 20262410 AMAQI
20th Jul 20262611 AMAQI
20th Jul 20263112 PMAQI
20th Jul 2026221 PMAQI
20th Jul 2026212 PMAQI
20th Jul 2026213 PMAQI
20th Jul 2026274 PMAQI
20th Jul 2026275 PMAQI
20th Jul 2026296 PMAQI
20th Jul 2026287 PMAQI
20th Jul 2026268 PMAQI
20th Jul 2026429 PMAQI
20th Jul 20265010 PMAQI
21st Jul 20265012 AMAQI
21st Jul 2026481 AMAQI
21st Jul 2026422 AMAQI
21st Jul 2026403 AMAQI
21st Jul 2026324 AMAQI
20°C14/29°C
21st Jul 2026525 AMAQI
21st Jul 2026366 AMAQI
21st Jul 2026517 AMAQI
21st Jul 2026298 AMAQI
21st Jul 2026549 AMAQI
21st Jul 20264010 AMAQI
21st Jul 20264811 AMAQI
21st Jul 20265512 PMAQI
21st Jul 2026631 PMAQI
21st Jul 2026622 PMAQI
21st Jul 2026673 PMAQI
21st Jul 2026664 PMAQI
21st Jul 2026685 PMAQI
21st Jul 2026556 PMAQI
21st Jul 2026407 PMAQI
21st Jul 2026248 PMAQI
21st Jul 2026349 PMAQI
21st Jul 20262110 PMAQI
21st Jul 20262511 PMAQI
22nd Jul 20262712 AMAQI
22nd Jul 2026291 AMAQI
22nd Jul 2026272 AMAQI
22nd Jul 2026213 AMAQI
22nd Jul 2026254 AMAQI
21°C18/25°C
22nd Jul 2026225 AMAQI
22nd Jul 2026246 AMAQI
22nd Jul 2026337 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026279 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262711 AMAQI
22nd Jul 20262512 PMAQI
22nd Jul 2026251 PMAQI
22nd Jul 2026252 PMAQI
22nd Jul 2026213 PMAQI
22nd Jul 2026224 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026256 PMAQI
22nd Jul 2026257 PMAQI
22nd Jul 2026268 PMAQI
22nd Jul 2026269 PMAQI
22nd Jul 20262510 PMAQI
22nd Jul 20261811 PMAQI
23rd Jul 20262012 AMAQI
23rd Jul 2026251 AMAQI
23rd Jul 2026462 AMAQI
23rd Jul 2026543 AMAQI
23rd Jul 2026224 AMAQI
17°C13/20°C
23rd Jul 2026205 AMAQI
23rd Jul 2026206 AMAQI
23rd Jul 2026227 AMAQI
23rd Jul 2026488 AMAQI
23rd Jul 2026389 AMAQI
23rd Jul 20263710 AMAQI
23rd Jul 20262811 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026221 PMAQI
23rd Jul 2026252 PMAQI
23rd Jul 2026253 PMAQI
23rd Jul 2026244 PMAQI
23rd Jul 2026425 PMAQI
23rd Jul 2026446 PMAQI
23rd Jul 2026507 PMAQI
23rd Jul 2026248 PMAQI
23rd Jul 2026249 PMAQI
23rd Jul 20262310 PMAQI
23rd Jul 20262511 PMAQI
24th Jul 20262512 AMAQI
24th Jul 2026231 AMAQI
24th Jul 2026252 AMAQI
24th Jul 2026293 AMAQI
24th Jul 2026264 AMAQI
18°C11/27°C
24th Jul 2026255 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026258 AMAQI
24th Jul 2026279 AMAQI
24th Jul 20262810 AMAQI
24th Jul 20262111 AMAQI
24th Jul 20262712 PMAQI
24th Jul 2026341 PMAQI
24th Jul 2026242 PMAQI
24th Jul 2026363 PMAQI
24th Jul 2026244 PMAQI
24th Jul 2026275 PMAQI
24th Jul 2026406 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026328 PMAQI
24th Jul 2026329 PMAQI
24th Jul 20263410 PMAQI
24th Jul 20262111 PMAQI
25th Jul 20263412 AMAQI
25th Jul 2026361 AMAQI
25th Jul 2026322 AMAQI
25th Jul 2026383 AMAQI
25th Jul 2026344 AMAQI
21°C14/30°C
25th Jul 2026325 AMAQI
25th Jul 2026366 AMAQI
25th Jul 2026387 AMAQI
25th Jul 2026368 AMAQI
25th Jul 2026349 AMAQI
25th Jul 20262110 AMAQI
25th Jul 20262311 AMAQI
25th Jul 20262312 PMAQI
25th Jul 2026211 PMAQI
25th Jul 2026302 PMAQI
25th Jul 2026363 PMAQI
25th Jul 2026314 PMAQI
25th Jul 2026365 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026237 PMAQI
25th Jul 2026228 PMAQI
25th Jul 2026219 PMAQI
25th Jul 20263810 PMAQI
25th Jul 20264611 PMAQI
26th Jul 20264712 AMAQI
26th Jul 2026421 AMAQI
26th Jul 2026402 AMAQI
26th Jul 2026423 AMAQI
26th Jul 2026404 AMAQI
22°C13/31°C
26th Jul 2026385 AMAQI
26th Jul 2026406 AMAQI
26th Jul 2026387 AMAQI
26th Jul 2026388 AMAQI
26th Jul 2026409 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264011 AMAQI
26th Jul 20263812 PMAQI
26th Jul 2026381 PMAQI
26th Jul 2026272 PMAQI
26th Jul 2026253 PMAQI
26th Jul 2026254 PMAQI
26th Jul 2026235 PMAQI
26th Jul 2026236 PMAQI
26th Jul 2026257 PMAQI
26th Jul 2026258 PMAQI
26th Jul 2026239 PMAQI
26th Jul 20262910 PMAQI
26th Jul 20262511 PMAQI
27th Jul 20264212 AMAQI
27th Jul 2026421 AMAQI
27th Jul 2026482 AMAQI
27th Jul 2026503 AMAQI
27th Jul 2026464 AMAQI
23°C16/29°C
27th Jul 2026485 AMAQI
27th Jul 2026506 AMAQI
27th Jul 2026447 AMAQI
27th Jul 2026468 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20264810 AMAQI
27th Jul 20265211 AMAQI
27th Jul 20264812 PMAQI
27th Jul 2026511 PMAQI
27th Jul 2026492 PMAQI
27th Jul 2026503 PMAQI
27th Jul 2026444 PMAQI
27th Jul 2026465 PMAQI
27th Jul 2026426 PMAQI
27th Jul 2026427 PMAQI
27th Jul 2026448 PMAQI
27th Jul 2026449 PMAQI
27th Jul 20264410 PMAQI
27th Jul 20264411 PMAQI
28th Jul 20264412 AMAQI
28th Jul 2026441 AMAQI
28th Jul 2026442 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026464 AMAQI
25°C18/32°C
28th Jul 2026465 AMAQI
28th Jul 2026486 AMAQI
28th Jul 2026507 AMAQI
28th Jul 2026508 AMAQI
28th Jul 2026449 AMAQI
28th Jul 20264010 AMAQI
28th Jul 20264411 AMAQI
28th Jul 20264412 PMAQI
28th Jul 2026421 PMAQI
28th Jul 2026422 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026444 PMAQI
28th Jul 2026425 PMAQI
28th Jul 2026366 PMAQI
28th Jul 2026367 PMAQI
28th Jul 2026388 PMAQI
28th Jul 2026389 PMAQI
28th Jul 20264010 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20264212 AMAQI
29th Jul 2026401 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026503 AMAQI
29th Jul 2026384 AMAQI
21°C19/22°C
29th Jul 2026515 AMAQI
29th Jul 2026526 AMAQI
29th Jul 2026467 AMAQI
29th Jul 2026468 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20264010 AMAQI
29th Jul 20262111 AMAQI
29th Jul 20262512 PMAQI
29th Jul 2026291 PMAQI
29th Jul 2026252 PMAQI
29th Jul 2026423 PMAQI
29th Jul 2026224 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026276 PMAQI
29th Jul 2026317 PMAQI
29th Jul 2026218 PMAQI
29th Jul 2026259 PMAQI
29th Jul 20263310 PMAQI
29th Jul 20264211 PMAQI
30th Jul 20263812 AMAQI
30th Jul 2026401 AMAQI
30th Jul 2026422 AMAQI
30th Jul 2026213 AMAQI
30th Jul 2026464 AMAQI
21°C20/22°C
30th Jul 2026365 AMAQI
30th Jul 2026386 AMAQI
30th Jul 2026327 AMAQI
30th Jul 2026348 AMAQI
30th Jul 2026349 AMAQI
30th Jul 20263810 AMAQI
30th Jul 20263811 AMAQI
30th Jul 20263612 PMAQI
30th Jul 2026381 PMAQI
30th Jul 2026302 PMAQI
30th Jul 2026363 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026345 PMAQI
30th Jul 2026256 PMAQI
30th Jul 2026297 PMAQI
30th Jul 2026298 PMAQI
30th Jul 2026299 PMAQI
30th Jul 20262710 PMAQI
30th Jul 20262911 PMAQI
31st Jul 20262912 AMAQI
31st Jul 2026271 AMAQI
31st Jul 2026212 AMAQI
31st Jul 2026253 AMAQI
31st Jul 2026294 AMAQI
23°C18/29°C
31st Jul 2026255 AMAQI
31st Jul 2026276 AMAQI
31st Jul 2026257 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026409 AMAQI
31st Jul 20262910 AMAQI
31st Jul 20263311 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026511 PMAQI
31st Jul 2026442 PMAQI
31st Jul 2026483 PMAQI
31st Jul 2026384 PMAQI
31st Jul 2026365 PMAQI
31st Jul 2026236 PMAQI
31st Jul 2026257 PMAQI
31st Jul 2026238 PMAQI
31st Jul 2026239 PMAQI
31st Jul 20263110 PMAQI
31st Jul 20263211 PMAQI
1st Aug 20262112 AMAQI
1st Aug 2026211 AMAQI
1st Aug 2026212 AMAQI
1st Aug 2026363 AMAQI
1st Aug 2026254 AMAQI
23°C15/31°C
1st Aug 2026235 AMAQI
1st Aug 2026216 AMAQI
1st Aug 2026217 AMAQI
1st Aug 2026238 AMAQI
1st Aug 2026459 AMAQI
1st Aug 20262510 AMAQI
1st Aug 20262311 AMAQI
1st Aug 20262112 PMAQI
1st Aug 2026211 PMAQI
1st Aug 2026212 PMAQI
1st Aug 2026273 PMAQI
1st Aug 2026274 PMAQI
1st Aug 2026275 PMAQI
1st Aug 2026236 PMAQI
1st Aug 2026217 PMAQI
1st Aug 2026218 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20262710 PMAQI
1st Aug 20262411 PMAQI
2nd Aug 20262912 AMAQI
2nd Aug 2026271 AMAQI
2nd Aug 2026312 AMAQI
2nd Aug 2026323 AMAQI
2nd Aug 2026324 AMAQI
23°C18/30°C
2nd Aug 2026305 AMAQI
2nd Aug 2026426 AMAQI
2nd Aug 2026387 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026389 AMAQI
2nd Aug 20264210 AMAQI
2nd Aug 20263611 AMAQI
2nd Aug 20263312 PMAQI
2nd Aug 2026381 PMAQI
2nd Aug 2026222 PMAQI
2nd Aug 2026223 PMAQI
2nd Aug 2026254 PMAQI
2nd Aug 2026235 PMAQI
2nd Aug 2026306 PMAQI
2nd Aug 2026387 PMAQI
2nd Aug 2026408 PMAQI
2nd Aug 2026449 PMAQI
2nd Aug 20263210 PMAQI
2nd Aug 20262311 PMAQI
3rd Aug 20262312 AMAQI
3rd Aug 2026211 AMAQI
3rd Aug 2026212 AMAQI
3rd Aug 2026213 AMAQI
3rd Aug 2026254 AMAQI
22°C20/24°C
3rd Aug 2026225 AMAQI
3rd Aug 2026226 AMAQI
3rd Aug 2026247 AMAQI
3rd Aug 2026258 AMAQI
3rd Aug 2026299 AMAQI
3rd Aug 20263610 AMAQI
3rd Aug 20263411 AMAQI
3rd Aug 20264612 PMAQI
3rd Aug 2026501 PMAQI
3rd Aug 2026242 PMAQI
3rd Aug 2026143 PMAQI
3rd Aug 2026124 PMAQI
3rd Aug 2026145 PMAQI
3rd Aug 2026206 PMAQI
3rd Aug 2026227 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 2026408 AMAQI
4th Aug 2026259 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 2026234 PMAQI
4th Aug 2026295 PMAQI
4th Aug 2026276 PMAQI
4th Aug 2026217 PMAQI
4th Aug 2026298 PMAQI
4th Aug 2026309 PMAQI
4th Aug 20262410 PMAQI
4th Aug 20263811 PMAQI
5th Aug 20262912 AMAQI
5th Aug 2026301 AMAQI
5th Aug 2026292 AMAQI
5th Aug 2026253 AMAQI
5th Aug 2026404 AMAQI
22°C14/31°C
5th Aug 2026255 AMAQI
5 AM5th Aug 2026526 AMAQI
5th Aug 2026567 AMAQI
5th Aug 2026228 AMAQI
5th Aug 2026259 AMAQI
5th Aug 20262210 AMAQI
5th Aug 20262511 AMAQI
5th Aug 20262512 PMAQI
12 PM5th Aug 2026341 PMAQI
5th Aug 2026382 PMAQI
5th Aug 2026253 PMAQI
5th Aug 2026254 PMAQI
5th Aug 2026285 PMAQI
5th Aug 2026266 PMAQI
5th Aug 2026297 PMAQI
5th Aug 2026298 PMAQI
8 PM5th Aug 2026469 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20264611 PMAQI
12 AM
4 AM
23°C15/31°C
Day time
Avg. Highest Time
5 AM - 7 AM
41AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 AM (Avg. 41), while the lowest AQI was between 8 PM to 8 PM (Avg. 33).
Night time
Avg. Highest Time
4 AM
41AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
9 PM - 11 PM
37AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 4 AM to 4 AM (Avg. 41), while the lowest AQI was between 9 PM to 11 PM (Avg. 37).
2026 Days Vs Air Quality
Lower Town, Ottawa, Ontario, Canada
2026
93%
198
7%
16
Total number of days with different AQI categories in last 217 days in 2026 (148 days remaining)
Good
198 DaysModerate
16 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 217 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
Lower Town, 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
16AQI (US)
16AQI (US)
2nd January 2026
41AQI (US)
41AQI (US)
3rd January 2026
14AQI (US)
14AQI (US)
4th January 2026
21AQI (US)
21AQI (US)
5th January 2026
36AQI (US)
36AQI (US)
6th January 2026
53AQI (US)
53AQI (US)
7th January 2026
52AQI (US)
52AQI (US)
8th January 2026
41AQI (US)
41AQI (US)
9th January 2026
44AQI (US)
44AQI (US)
10th January 2026
13AQI (US)
13AQI (US)
11th January 2026
15AQI (US)
15AQI (US)
12th January 2026
19AQI (US)
19AQI (US)
13th January 2026
48AQI (US)
48AQI (US)
14th January 2026
41AQI (US)
41AQI (US)
15th January 2026
12AQI (US)
12AQI (US)
16th January 2026
12AQI (US)
12AQI (US)
17th January 2026
30AQI (US)
30AQI (US)
18th January 2026
30AQI (US)
30AQI (US)
19th January 2026
39AQI (US)
39AQI (US)
20th January 2026
17AQI (US)
17AQI (US)
21st January 2026
22AQI (US)
22AQI (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
45AQI (US)
45AQI (US)
28th January 2026
48AQI (US)
48AQI (US)
29th January 2026
52AQI (US)
52AQI (US)
30th January 2026
52AQI (US)
52AQI (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
49AQI (US)
49AQI (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
37AQI (US)
37AQI (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
40AQI (US)
40AQI (US)
12th February 2026
38AQI (US)
38AQI (US)
13th February 2026
47AQI (US)
47AQI (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
45AQI (US)
45AQI (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
35AQI (US)
35AQI (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
39AQI (US)
39AQI (US)
7th March 2026
40AQI (US)
40AQI (US)
8th March 2026
39AQI (US)
39AQI (US)
9th March 2026
41AQI (US)
41AQI (US)
10th March 2026
33AQI (US)
33AQI (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
31AQI (US)
31AQI (US)
20th March 2026
36AQI (US)
36AQI (US)
21st March 2026
37AQI (US)
37AQI (US)
22nd March 2026
35AQI (US)
35AQI (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
30AQI (US)
30AQI (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
31AQI (US)
31AQI (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
28AQI (US)
28AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
28AQI (US)
28AQI (US)
21st April 2026
26AQI (US)
26AQI (US)
22nd April 2026
23rd April 2026
23AQI (US)
23AQI (US)
24th April 2026
24AQI (US)
24AQI (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
25AQI (US)
25AQI (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
28AQI (US)
28AQI (US)
12th May 2026
24AQI (US)
24AQI (US)
13th May 2026
27AQI (US)
27AQI (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
51AQI (US)
51AQI (US)
21st May 2026
44AQI (US)
44AQI (US)
22nd May 2026
43AQI (US)
43AQI (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
25AQI (US)
25AQI (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
27AQI (US)
27AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
21AQI (US)
21AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
25AQI (US)
25AQI (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
25AQI (US)
25AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
27AQI (US)
27AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
23AQI (US)
23AQI (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
25AQI (US)
25AQI (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
27AQI (US)
27AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
28AQI (US)
28AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
39AQI (US)
39AQI (US)
11th July 2026
53AQI (US)
53AQI (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
49AQI (US)
49AQI (US)
16th July 2026
50AQI (US)
50AQI (US)
17th July 2026
55AQI (US)
55AQI (US)
18th July 2026
51AQI (US)
51AQI (US)
19th July 2026
46AQI (US)
46AQI (US)
20th July 2026
35AQI (US)
35AQI (US)
21st July 2026
46AQI (US)
46AQI (US)
22nd July 2026
25AQI (US)
25AQI (US)
23rd July 2026
30AQI (US)
30AQI (US)
24th July 2026
28AQI (US)
28AQI (US)
25th July 2026
31AQI (US)
31AQI (US)
26th July 2026
34AQI (US)
34AQI (US)
27th July 2026
46AQI (US)
46AQI (US)
28th July 2026
43AQI (US)
43AQI (US)
29th July 2026
36AQI (US)
36AQI (US)
30th July 2026
34AQI (US)
34AQI (US)
31st July 2026
32AQI (US)
32AQI (US)
1st August 2026
25AQI (US)
25AQI (US)
2nd August 2026
33AQI (US)
33AQI (US)
3rd August 2026
26AQI (US)
26AQI (US)
4th August 2026
36AQI (US)
36AQI (US)
5th August 2026
32AQI (US)
32AQI (US)
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
36AQI (US)
42AQI (US)
37AQI (US)
29AQI (US)
35AQI (US)
25AQI (US)
38AQI (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
25
5
30
26
5
5
198
16
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202530AQI (US)
5
30
31
23
7
26
5
24
7
30
29
2
29
1
25
6
252
28
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Most Polluted Year Recorded
2026(Avg.)
34AQI (US)Least Polluted Year Recorded
2025(Avg.)
30AQI (US)Lower Town's annual 2026 AQI (US) (34) shows an average percentage change of 13.3% (worsened AQI (US)) compared to previous years: 2025 (30).
