Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Toronto, 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+

July Air Quality Analysis

Toronto, Ontario, Canada

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Jul 2026
97AQI
Lowest AQI recorded on
1st Jul 2024
19AQI

Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 28 of Good air quality, showing improvement over 2025 and 2024 on the same day.

Day & Night AQI Trend: 29th Jul - 30th Jul 2026

Toronto, Ontario, Canada

AQI
Day
Night
.

5 AM29th Jul 2026

8 PM

4 AM30th Jul 2026

Day time
Avg. Highest Time
9AM29th Jul

39AQI

Avg. Lowest Time
4PM29th Jul

20AQI

Night time
Avg. Highest Time
4AM30th Jul

34AQI

Avg. Lowest Time
12AM30th Jul

21AQI

In the last 24 hours,

Toronto's AQI reached its highest point of 39 at 9 AM during the Day, while the lowest point, 20, was recorded at 4 PM during the Day between 29th Jul and 30th Jul 2026.

Day & Night AQI Trend : Jul 2026

Toronto, Ontario, Canada

Jul
01st - 02nd02nd - 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
Day
Night
1st Jul 2026375 AMAQI
1st Jul 2026416 AMAQI
1st Jul 2026447 AMAQI
1st Jul 2026458 AMAQI
1st Jul 2026449 AMAQI
1st Jul 20264610 AMAQI
1st Jul 20264311 AMAQI
1st Jul 20263612 PMAQI
1st Jul 2026401 PMAQI
1st Jul 2026402 PMAQI
1st Jul 2026423 PMAQI
1st Jul 2026404 PMAQI
1st Jul 2026395 PMAQI
1st Jul 2026516 PMAQI
1st Jul 2026347 PMAQI
1st Jul 2026278 PMAQI
1st Jul 2026279 PMAQI
1st Jul 20263810 PMAQI
1st Jul 20265811 PMAQI
2nd Jul 20263012 AMAQI
2nd Jul 2026261 AMAQI
2nd Jul 2026302 AMAQI
2nd Jul 2026303 AMAQI
2nd Jul 2026304 AMAQI

31°C23/39°C

2nd Jul 2026325 AMAQI
2nd Jul 2026336 AMAQI
2nd Jul 2026657 AMAQI
2nd Jul 2026358 AMAQI
2nd Jul 2026339 AMAQI
2nd Jul 20263510 AMAQI
2nd Jul 20263511 AMAQI
2nd Jul 20263112 PMAQI
2nd Jul 2026341 PMAQI
2nd Jul 2026342 PMAQI
2nd Jul 2026303 PMAQI
2nd Jul 2026324 PMAQI
2nd Jul 2026365 PMAQI
2nd Jul 2026556 PMAQI
2nd Jul 2026507 PMAQI
2nd Jul 2026458 PMAQI
2nd Jul 2026369 PMAQI
2nd Jul 20263010 PMAQI
2nd Jul 20262911 PMAQI
3rd Jul 20263312 AMAQI
3rd Jul 2026341 AMAQI
3rd Jul 2026402 AMAQI
3rd Jul 2026483 AMAQI
3rd Jul 2026734 AMAQI

29°C21/38°C

3rd Jul 2026555 AMAQI
3rd Jul 2026386 AMAQI
3rd Jul 2026387 AMAQI
3rd Jul 2026438 AMAQI
3rd Jul 2026509 AMAQI
3rd Jul 20264010 AMAQI
3rd Jul 20263511 AMAQI
3rd Jul 20263812 PMAQI
3rd Jul 2026381 PMAQI
3rd Jul 2026342 PMAQI
3rd Jul 2026313 PMAQI
3rd Jul 2026404 PMAQI
3rd Jul 2026425 PMAQI
3rd Jul 2026346 PMAQI
3rd Jul 2026317 PMAQI
3rd Jul 2026318 PMAQI
3rd Jul 2026279 PMAQI
3rd Jul 20262910 PMAQI
3rd Jul 20262911 PMAQI
4th Jul 20263412 AMAQI
4th Jul 2026351 AMAQI
4th Jul 2026372 AMAQI
4th Jul 2026413 AMAQI
4th Jul 2026374 AMAQI

29°C23/37°C

4th Jul 2026405 AMAQI
4th Jul 2026386 AMAQI
4th Jul 2026457 AMAQI
4th Jul 2026468 AMAQI
4th Jul 2026379 AMAQI
4th Jul 20263910 AMAQI
4th Jul 20263111 AMAQI
4th Jul 20263112 PMAQI
4th Jul 2026381 PMAQI
4th Jul 2026402 PMAQI
4th Jul 2026423 PMAQI
4th Jul 2026384 PMAQI
4th Jul 2026765 PMAQI
4th Jul 2026306 PMAQI
4th Jul 2026367 PMAQI
4th Jul 2026358 PMAQI
4th Jul 2026339 PMAQI
4th Jul 20263810 PMAQI
4th Jul 20265211 PMAQI
5th Jul 20264212 AMAQI
5th Jul 2026421 AMAQI
5th Jul 2026432 AMAQI
5th Jul 2026443 AMAQI
5th Jul 2026414 AMAQI

25°C22/29°C

5th Jul 2026405 AMAQI
5th Jul 2026416 AMAQI
5th Jul 2026407 AMAQI
5th Jul 2026328 AMAQI
5th Jul 2026359 AMAQI
5th Jul 20263210 AMAQI
5th Jul 20263411 AMAQI
5th Jul 20263612 PMAQI
5th Jul 2026371 PMAQI
5th Jul 2026402 PMAQI
5th Jul 2026353 PMAQI
5th Jul 2026334 PMAQI
5th Jul 2026355 PMAQI
5th Jul 2026336 PMAQI
5th Jul 2026297 PMAQI
5th Jul 2026318 PMAQI
5th Jul 2026499 PMAQI
5th Jul 20264310 PMAQI
5th Jul 20263711 PMAQI
6th Jul 20263612 AMAQI
6th Jul 2026401 AMAQI
6th Jul 2026352 AMAQI
6th Jul 2026283 AMAQI
6th Jul 2026254 AMAQI

23°C18/30°C

6th Jul 2026225 AMAQI
6th Jul 2026236 AMAQI
6th Jul 2026287 AMAQI
6th Jul 2026288 AMAQI
6th Jul 2026299 AMAQI
6th Jul 20263010 AMAQI
6th Jul 20262511 AMAQI
6th Jul 20262512 PMAQI
6th Jul 2026291 PMAQI
6th Jul 2026322 PMAQI
6th Jul 2026353 PMAQI
6th Jul 2026334 PMAQI
6th Jul 2026335 PMAQI
6th Jul 2026336 PMAQI
6th Jul 2026367 PMAQI
6th Jul 2026348 PMAQI
6th Jul 2026319 PMAQI
6th Jul 20262510 PMAQI
6th Jul 20262811 PMAQI
7th Jul 20263512 AMAQI
7th Jul 2026321 AMAQI
7th Jul 2026342 AMAQI
7th Jul 2026353 AMAQI
7th Jul 2026544 AMAQI

23°C16/30°C

7th Jul 2026425 AMAQI
7th Jul 2026306 AMAQI
7th Jul 2026337 AMAQI
7th Jul 2026308 AMAQI
7th Jul 2026299 AMAQI
7th Jul 20262810 AMAQI
7th Jul 20263211 AMAQI
7th Jul 20263312 PMAQI
7th Jul 2026321 PMAQI
7th Jul 2026312 PMAQI
7th Jul 2026293 PMAQI
7th Jul 2026314 PMAQI
7th Jul 2026315 PMAQI
7th Jul 2026316 PMAQI
7th Jul 2026327 PMAQI
7th Jul 2026288 PMAQI
7th Jul 2026329 PMAQI
7th Jul 20262610 PMAQI
7th Jul 20262711 PMAQI
8th Jul 20262612 AMAQI
8th Jul 2026271 AMAQI
8th Jul 2026302 AMAQI
8th Jul 2026293 AMAQI
8th Jul 2026274 AMAQI

24°C19/32°C

8th Jul 2026255 AMAQI
8th Jul 2026366 AMAQI
8th Jul 2026227 AMAQI
8th Jul 2026238 AMAQI
8th Jul 2026259 AMAQI
8th Jul 20262810 AMAQI
8th Jul 20263111 AMAQI
8th Jul 20263212 PMAQI
8th Jul 2026311 PMAQI
8th Jul 2026282 PMAQI
8th Jul 2026293 PMAQI
8th Jul 2026254 PMAQI
8th Jul 2026295 PMAQI
8th Jul 2026286 PMAQI
8th Jul 2026297 PMAQI
8th Jul 2026298 PMAQI
8th Jul 2026259 PMAQI
8th Jul 20263610 PMAQI
8th Jul 20263411 PMAQI
9th Jul 20263012 AMAQI
9th Jul 2026331 AMAQI
9th Jul 2026452 AMAQI
9th Jul 2026433 AMAQI
9th Jul 2026474 AMAQI

25°C17/33°C

9th Jul 2026495 AMAQI
9th Jul 2026496 AMAQI
9th Jul 2026517 AMAQI
9th Jul 2026638 AMAQI
9th Jul 2026599 AMAQI
9th Jul 20264510 AMAQI
9th Jul 20263911 AMAQI
9th Jul 20263612 PMAQI
9th Jul 2026391 PMAQI
9th Jul 2026462 PMAQI
9th Jul 2026373 PMAQI
9th Jul 2026374 PMAQI
9th Jul 2026305 PMAQI
9th Jul 2026306 PMAQI
9th Jul 2026317 PMAQI
9th Jul 2026318 PMAQI
9th Jul 20261559 PMAQI
9th Jul 20263010 PMAQI
9th Jul 20263211 PMAQI
10th Jul 20262712 AMAQI
10th Jul 2026581 AMAQI
10th Jul 2026242 AMAQI
10th Jul 2026283 AMAQI
10th Jul 2026324 AMAQI

25°C19/31°C

10th Jul 2026405 AMAQI
10th Jul 2026666 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026328 AMAQI
10th Jul 2026349 AMAQI
10th Jul 20263210 AMAQI
10th Jul 20262811 AMAQI
10th Jul 20263212 PMAQI
10th Jul 2026321 PMAQI
10th Jul 2026312 PMAQI
10th Jul 2026313 PMAQI
10th Jul 2026294 PMAQI
10th Jul 2026315 PMAQI
10th Jul 2026306 PMAQI
10th Jul 2026347 PMAQI
10th Jul 2026368 PMAQI
10th Jul 2026379 PMAQI
10th Jul 20263810 PMAQI
10th Jul 20264311 PMAQI
11th Jul 20268512 AMAQI
11th Jul 2026741 AMAQI
11th Jul 2026602 AMAQI
11th Jul 2026423 AMAQI
11th Jul 2026424 AMAQI

24°C19/30°C

11th Jul 2026415 AMAQI
11th Jul 2026456 AMAQI
11th Jul 2026477 AMAQI
11th Jul 2026498 AMAQI
11th Jul 2026519 AMAQI
11th Jul 20264810 AMAQI
11th Jul 20264711 AMAQI
11th Jul 20264512 PMAQI
11th Jul 2026441 PMAQI
11th Jul 2026392 PMAQI
11th Jul 2026503 PMAQI
11th Jul 2026604 PMAQI
11th Jul 2026585 PMAQI
11th Jul 2026576 PMAQI
11th Jul 2026577 PMAQI
11th Jul 2026568 PMAQI
11th Jul 2026629 PMAQI
11th Jul 20266110 PMAQI
11th Jul 20266111 PMAQI
12th Jul 20266412 AMAQI
12th Jul 2026641 AMAQI
12th Jul 2026692 AMAQI
12th Jul 2026713 AMAQI
12th Jul 2026754 AMAQI

24°C17/31°C

12th Jul 2026755 AMAQI
12th Jul 2026736 AMAQI
12th Jul 2026767 AMAQI
12th Jul 2026748 AMAQI
12th Jul 2026689 AMAQI
12th Jul 20264810 AMAQI
12th Jul 20263911 AMAQI
12th Jul 20265712 PMAQI
12th Jul 2026721 PMAQI
12th Jul 2026662 PMAQI
12th Jul 2026673 PMAQI
12th Jul 2026694 PMAQI
12th Jul 2026685 PMAQI
12th Jul 2026636 PMAQI
12th Jul 2026627 PMAQI
12th Jul 2026848 PMAQI
12th Jul 2026819 PMAQI
12th Jul 20267610 PMAQI
12th Jul 20267411 PMAQI
13th Jul 20267412 AMAQI
13th Jul 2026811 AMAQI
13th Jul 2026792 AMAQI
13th Jul 2026793 AMAQI
13th Jul 2026814 AMAQI

23°C16/31°C

13th Jul 2026815 AMAQI
13th Jul 2026846 AMAQI
13th Jul 2026827 AMAQI
13th Jul 2026808 AMAQI
13th Jul 2026839 AMAQI
13th Jul 20267610 AMAQI
13th Jul 20266811 AMAQI
13th Jul 20266712 PMAQI
13th Jul 2026621 PMAQI
13th Jul 2026632 PMAQI
13th Jul 2026613 PMAQI
13th Jul 2026604 PMAQI
13th Jul 2026555 PMAQI
13th Jul 2026526 PMAQI
13th Jul 2026477 PMAQI
13th Jul 2026488 PMAQI
13th Jul 2026489 PMAQI
13th Jul 20265010 PMAQI
13th Jul 20265011 PMAQI
14th Jul 20265112 AMAQI
14th Jul 2026521 AMAQI
14th Jul 2026572 AMAQI
14th Jul 2026573 AMAQI
14th Jul 2026584 AMAQI

26°C15/34°C

14th Jul 2026605 AMAQI
14th Jul 2026626 AMAQI
14th Jul 2026637 AMAQI
14th Jul 2026648 AMAQI
14th Jul 2026609 AMAQI
14th Jul 20265710 AMAQI
14th Jul 20265611 AMAQI
14th Jul 20265212 PMAQI
14th Jul 2026501 PMAQI
14th Jul 2026462 PMAQI
14th Jul 2026433 PMAQI
14th Jul 2026614 PMAQI
14th Jul 2026855 PMAQI
14th Jul 20261276 PMAQI
14th Jul 2026687 PMAQI
14th Jul 2026498 PMAQI
14th Jul 2026429 PMAQI
14th Jul 20264310 PMAQI
14th Jul 20264611 PMAQI
15th Jul 20265912 AMAQI
15th Jul 2026641 AMAQI
15th Jul 2026532 AMAQI
15th Jul 2026423 AMAQI
15th Jul 2026564 AMAQI

32°C23/41°C

15th Jul 2026675 AMAQI
15th Jul 2026546 AMAQI
15th Jul 2026507 AMAQI
15th Jul 2026608 AMAQI
15th Jul 2026669 AMAQI
15th Jul 20266510 AMAQI
15th Jul 20265911 AMAQI
15th Jul 20265712 PMAQI
15th Jul 2026561 PMAQI
15th Jul 2026582 PMAQI
15th Jul 2026613 PMAQI
15th Jul 20261254 PMAQI
15th Jul 2026885 PMAQI
15th Jul 2026696 PMAQI
15th Jul 2026517 PMAQI
15th Jul 2026518 PMAQI
15th Jul 2026519 PMAQI
15th Jul 20265210 PMAQI
15th Jul 20265111 PMAQI
16th Jul 20265512 AMAQI
16th Jul 2026581 AMAQI
16th Jul 2026612 AMAQI
16th Jul 2026663 AMAQI
16th Jul 2026764 AMAQI

27°C21/32°C

16th Jul 2026865 AMAQI
16th Jul 2026876 AMAQI
16th Jul 2026847 AMAQI
16th Jul 2026868 AMAQI
16th Jul 2026839 AMAQI
16th Jul 20268910 AMAQI
16th Jul 20269011 AMAQI
16th Jul 20268712 PMAQI
16th Jul 2026881 PMAQI
16th Jul 2026882 PMAQI
16th Jul 2026873 PMAQI
16th Jul 2026884 PMAQI
16th Jul 2026855 PMAQI
16th Jul 2026866 PMAQI
16th Jul 2026797 PMAQI
16th Jul 2026838 PMAQI
16th Jul 2026879 PMAQI
16th Jul 20268310 PMAQI
16th Jul 20268211 PMAQI
17th Jul 20269912 AMAQI
17th Jul 20261441 AMAQI
17th Jul 20261672 AMAQI
17th Jul 20261163 AMAQI
17th Jul 20261024 AMAQI

24°C19/31°C

17th Jul 2026805 AMAQI
17th Jul 2026726 AMAQI
17th Jul 2026847 AMAQI
17th Jul 20261058 AMAQI
17th Jul 2026989 AMAQI
17th Jul 20268310 AMAQI
17th Jul 20267411 AMAQI
17th Jul 20266512 PMAQI
17th Jul 2026621 PMAQI
17th Jul 2026632 PMAQI
17th Jul 2026593 PMAQI
17th Jul 2026594 PMAQI
17th Jul 2026635 PMAQI
17th Jul 2026646 PMAQI
17th Jul 2026797 PMAQI
17th Jul 2026808 PMAQI
17th Jul 2026779 PMAQI
17th Jul 20267610 PMAQI
17th Jul 20267311 PMAQI
18th Jul 20268712 AMAQI
18th Jul 2026931 AMAQI
18th Jul 20261052 AMAQI
18th Jul 20261123 AMAQI
18th Jul 2026954 AMAQI

23°C17/31°C

18th Jul 2026965 AMAQI
18th Jul 2026816 AMAQI
18th Jul 20261237 AMAQI
18th Jul 20261218 AMAQI
18th Jul 20261239 AMAQI
18th Jul 202612410 AMAQI
18th Jul 202612111 AMAQI
18th Jul 202611612 PMAQI
18th Jul 20261001 PMAQI
18th Jul 2026722 PMAQI
18th Jul 2026623 PMAQI
18th Jul 2026524 PMAQI
18th Jul 2026575 PMAQI
18th Jul 2026576 PMAQI
18th Jul 20261007 PMAQI
18th Jul 20261168 PMAQI
18th Jul 20261149 PMAQI
18th Jul 202611110 PMAQI
18th Jul 20268311 PMAQI
19th Jul 20266112 AMAQI
19th Jul 2026561 AMAQI
19th Jul 2026542 AMAQI
19th Jul 2026543 AMAQI
19th Jul 2026564 AMAQI

23°C19/30°C

19th Jul 2026605 AMAQI
19th Jul 2026706 AMAQI
19th Jul 2026877 AMAQI
19th Jul 20261018 AMAQI
19th Jul 2026899 AMAQI
19th Jul 20265910 AMAQI
19th Jul 20264111 AMAQI
19th Jul 20262912 PMAQI
19th Jul 2026261 PMAQI
19th Jul 2026242 PMAQI
19th Jul 2026263 PMAQI
19th Jul 2026274 PMAQI
19th Jul 2026265 PMAQI
19th Jul 2026386 PMAQI
19th Jul 2026247 PMAQI
19th Jul 2026278 PMAQI
19th Jul 2026269 PMAQI
19th Jul 20263110 PMAQI
19th Jul 20262711 PMAQI
20th Jul 20262612 AMAQI
20th Jul 2026341 AMAQI
20th Jul 2026322 AMAQI
20th Jul 2026363 AMAQI
20th Jul 2026364 AMAQI

21°C15/27°C

20th Jul 2026355 AMAQI
20th Jul 2026356 AMAQI
20th Jul 2026527 AMAQI
20th Jul 2026328 AMAQI
20th Jul 2026359 AMAQI
20th Jul 20262710 AMAQI
20th Jul 20262811 AMAQI
20th Jul 20262612 PMAQI
20th Jul 2026251 PMAQI
20th Jul 2026262 PMAQI
20th Jul 2026323 PMAQI
20th Jul 2026274 PMAQI
20th Jul 2026375 PMAQI
20th Jul 2026396 PMAQI
20th Jul 2026627 PMAQI
20th Jul 2026638 PMAQI
20th Jul 2026839 PMAQI
20th Jul 20268610 PMAQI
21st Jul 20268712 AMAQI
21st Jul 2026931 AMAQI
21st Jul 2026852 AMAQI
21st Jul 2026903 AMAQI
21st Jul 2026814 AMAQI

22°C13/30°C

21st Jul 2026885 AMAQI
21st Jul 2026716 AMAQI
21st Jul 2026807 AMAQI
21st Jul 2026728 AMAQI
21st Jul 2026829 AMAQI
21st Jul 20268210 AMAQI
21st Jul 20268011 AMAQI
21st Jul 20268212 PMAQI
21st Jul 2026821 PMAQI
21st Jul 2026792 PMAQI
21st Jul 2026443 PMAQI
21st Jul 2026334 PMAQI
21st Jul 2026275 PMAQI
21st Jul 2026236 PMAQI
21st Jul 2026287 PMAQI
21st Jul 2026288 PMAQI
21st Jul 2026339 PMAQI
21st Jul 20263110 PMAQI
21st Jul 20263111 PMAQI
22nd Jul 20262812 AMAQI
22nd Jul 2026201 AMAQI
22nd Jul 2026312 AMAQI
22nd Jul 2026283 AMAQI
22nd Jul 2026404 AMAQI

21°C19/27°C

22nd Jul 2026355 AMAQI
22nd Jul 2026396 AMAQI
22nd Jul 2026417 AMAQI
22nd Jul 2026338 AMAQI
22nd Jul 2026259 AMAQI
22nd Jul 20262810 AMAQI
22nd Jul 20262611 AMAQI
22nd Jul 20262312 PMAQI
22nd Jul 2026241 PMAQI
22nd Jul 2026202 PMAQI
22nd Jul 2026223 PMAQI
22nd Jul 2026214 PMAQI
22nd Jul 2026225 PMAQI
22nd Jul 2026216 PMAQI
22nd Jul 2026377 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026259 PMAQI
22nd Jul 20262310 PMAQI
22nd Jul 20263611 PMAQI
23rd Jul 20262712 AMAQI
23rd Jul 2026221 AMAQI
23rd Jul 2026332 AMAQI
23rd Jul 2026393 AMAQI
23rd Jul 2026314 AMAQI

18°C14/25°C

23rd Jul 2026265 AMAQI
23rd Jul 2026376 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026488 AMAQI
23rd Jul 2026319 AMAQI
23rd Jul 20262610 AMAQI
23rd Jul 20262711 AMAQI
23rd Jul 20262512 PMAQI
23rd Jul 2026241 PMAQI
23rd Jul 2026242 PMAQI
23rd Jul 2026263 PMAQI
23rd Jul 2026284 PMAQI
23rd Jul 2026245 PMAQI
23rd Jul 2026246 PMAQI
23rd Jul 2026237 PMAQI
23rd Jul 2026288 PMAQI
23rd Jul 2026269 PMAQI
23rd Jul 20262410 PMAQI
23rd Jul 20262311 PMAQI
24th Jul 20262312 AMAQI
24th Jul 2026221 AMAQI
24th Jul 2026242 AMAQI
24th Jul 2026283 AMAQI
24th Jul 2026244 AMAQI

20°C12/28°C

24th Jul 2026275 AMAQI
24th Jul 2026256 AMAQI
24th Jul 2026257 AMAQI
24th Jul 2026308 AMAQI
24th Jul 2026389 AMAQI
24th Jul 20263710 AMAQI
24th Jul 20263811 AMAQI
24th Jul 20264512 PMAQI
24th Jul 2026441 PMAQI
24th Jul 2026372 PMAQI
24th Jul 2026373 PMAQI
24th Jul 2026274 PMAQI
24th Jul 2026245 PMAQI
24th Jul 2026246 PMAQI
24th Jul 2026257 PMAQI
24th Jul 2026258 PMAQI
24th Jul 2026259 PMAQI
24th Jul 20262210 PMAQI
24th Jul 20262311 PMAQI
25th Jul 20262312 AMAQI
25th Jul 2026231 AMAQI
25th Jul 2026232 AMAQI
25th Jul 2026293 AMAQI
25th Jul 2026314 AMAQI

20°C12/29°C

25th Jul 2026295 AMAQI
25th Jul 2026256 AMAQI
25th Jul 2026257 AMAQI
25th Jul 2026258 AMAQI
25th Jul 2026259 AMAQI
25th Jul 20262510 AMAQI
25th Jul 20262411 AMAQI
25th Jul 20263012 PMAQI
25th Jul 2026251 PMAQI
25th Jul 2026252 PMAQI
25th Jul 2026233 PMAQI
25th Jul 2026254 PMAQI
25th Jul 2026255 PMAQI
25th Jul 2026266 PMAQI
25th Jul 2026387 PMAQI
25th Jul 2026388 PMAQI
25th Jul 2026409 PMAQI
25th Jul 20263510 PMAQI
25th Jul 20262411 PMAQI
26th Jul 20262512 AMAQI
26th Jul 2026361 AMAQI
26th Jul 2026382 AMAQI
26th Jul 2026413 AMAQI
26th Jul 2026434 AMAQI

22°C14/30°C

26th Jul 2026485 AMAQI
26th Jul 2026476 AMAQI
26th Jul 2026427 AMAQI
26th Jul 2026398 AMAQI
26th Jul 2026389 AMAQI
26th Jul 20263910 AMAQI
26th Jul 20263911 AMAQI
26th Jul 20264112 PMAQI
26th Jul 2026441 PMAQI
26th Jul 2026492 PMAQI
26th Jul 2026423 PMAQI
26th Jul 2026444 PMAQI
26th Jul 2026455 PMAQI
26th Jul 2026466 PMAQI
26th Jul 2026457 PMAQI
26th Jul 2026458 PMAQI
26th Jul 2026439 PMAQI
26th Jul 20264610 PMAQI
26th Jul 20264511 PMAQI
27th Jul 20264612 AMAQI
27th Jul 2026461 AMAQI
27th Jul 2026502 AMAQI
27th Jul 2026503 AMAQI
27th Jul 2026494 AMAQI

23°C16/30°C

27th Jul 2026485 AMAQI
27th Jul 2026486 AMAQI
27th Jul 2026507 AMAQI
27th Jul 2026538 AMAQI
27th Jul 2026549 AMAQI
27th Jul 20265210 AMAQI
27th Jul 20265311 AMAQI
27th Jul 20265212 PMAQI
27th Jul 2026511 PMAQI
27th Jul 2026512 PMAQI
27th Jul 2026513 PMAQI
27th Jul 2026524 PMAQI
27th Jul 2026545 PMAQI
27th Jul 2026566 PMAQI
27th Jul 2026557 PMAQI
27th Jul 2026568 PMAQI
27th Jul 2026589 PMAQI
27th Jul 20265910 PMAQI
27th Jul 20266111 PMAQI
28th Jul 20265912 AMAQI
28th Jul 2026581 AMAQI
28th Jul 2026592 AMAQI
28th Jul 2026563 AMAQI
28th Jul 2026554 AMAQI

24°C17/32°C

28th Jul 2026535 AMAQI
28th Jul 2026526 AMAQI
28th Jul 2026527 AMAQI
28th Jul 2026568 AMAQI
28th Jul 2026619 AMAQI
28th Jul 20266110 AMAQI
28th Jul 20265611 AMAQI
28th Jul 20265512 PMAQI
28th Jul 2026541 PMAQI
28th Jul 2026542 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026514 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026416 PMAQI
28th Jul 2026457 PMAQI
28th Jul 2026448 PMAQI
28th Jul 2026459 PMAQI
28th Jul 20264510 PMAQI
28th Jul 20264211 PMAQI
29th Jul 20262412 AMAQI
29th Jul 2026241 AMAQI
29th Jul 2026242 AMAQI
29th Jul 2026223 AMAQI
29th Jul 2026224 AMAQI

23°C20/27°C

29th Jul 2026235 AMAQI
29th Jul 2026256 AMAQI
29th Jul 2026327 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026399 AMAQI
29th Jul 20263010 AMAQI
29th Jul 20262211 AMAQI
29th Jul 20262212 PMAQI
29th Jul 2026221 PMAQI
29th Jul 2026212 PMAQI
29th Jul 2026223 PMAQI
29th Jul 2026204 PMAQI
29th Jul 2026215 PMAQI
29th Jul 2026236 PMAQI
29th Jul 2026287 PMAQI
29th Jul 2026228 PMAQI
29th Jul 2026219 PMAQI
29th Jul 20262110 PMAQI
29th Jul 20262211 PMAQI
30th Jul 20262112 AMAQI
30th Jul 2026261 AMAQI
30th Jul 2026302 AMAQI
30th Jul 2026323 AMAQI
30th Jul 2026344 AMAQI

23°C18/30°C

30th Jul 2026255 AMAQI
5 AM
30th Jul 2026266 AMAQI
30th Jul 2026257 AMAQI
30th Jul 2026258 AMAQI
30th Jul 2026219 AMAQI
30th Jul 20262510 AMAQI
30th Jul 20262611 AMAQI
30th Jul 20262812 PMAQI
12 PM
30th Jul 2026371 PMAQI
30th Jul 2026392 PMAQI
30th Jul 2026243 PMAQI
30th Jul 2026254 PMAQI
30th Jul 2026275 PMAQI
30th Jul 2026236 PMAQI
30th Jul 2026247 PMAQI
30th Jul 2026258 PMAQI
8 PM
30th Jul 2026359 PMAQI
30th Jul 20263510 PMAQI
30th Jul 20263311 PMAQI
12 AM
4 AM

24°C17/32°C

Day time
Avg. Highest Time
7 AM - 9 AM

52AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
3 PM

41AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 9 AM (Avg. 52), while the lowest AQI was between 3 PM to 3 PM (Avg. 41).
Night time
Avg. Highest Time
1 AM - 9 PM

49AQI

5 hours / Day
150 hours / Month
Avg. Lowest Time
11 PM

43AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 9 PM (Avg. 49), while the lowest AQI was between 11 PM to 11 PM (Avg. 43).

2026 Days Vs Air Quality

Toronto, Ontario, Canada

2026

88%

183

12%

25

Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)

Good
183 Days
Moderate
25 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 88%

Health Risk Level:

Low

In 2026, 88% of 211 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.

Annual Air Quality Insights

Toronto, 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
11AQI (US)
2nd January 2026
11AQI (US)
3rd January 2026
12AQI (US)
4th January 2026
42AQI (US)
5th January 2026
47AQI (US)
6th January 2026
77AQI (US)
7th January 2026
69AQI (US)
8th January 2026
73AQI (US)
9th January 2026
34AQI (US)
10th January 2026
16AQI (US)
11th January 2026
19AQI (US)
12th January 2026
30AQI (US)
13th January 2026
39AQI (US)
14th January 2026
35AQI (US)
15th January 2026
15AQI (US)
16th January 2026
26AQI (US)
17th January 2026
41AQI (US)
18th January 2026
29AQI (US)
19th January 2026
32AQI (US)
20th January 2026
22AQI (US)
21st January 2026
32AQI (US)
22nd January 2026
56AQI (US)
23rd January 2026
58AQI (US)
24th January 2026
47AQI (US)
25th January 2026
48AQI (US)
26th January 2026
48AQI (US)
27th January 2026
40AQI (US)
28th January 2026
44AQI (US)
29th January 2026
50AQI (US)
30th January 2026
56AQI (US)
31st January 2026
45AQI (US)
1st February 2026
45AQI (US)
2nd February 2026
51AQI (US)
3rd February 2026
49AQI (US)
4th February 2026
45AQI (US)
5th February 2026
51AQI (US)
6th February 2026
50AQI (US)
7th February 2026
40AQI (US)
8th February 2026
45AQI (US)
9th February 2026
46AQI (US)
10th February 2026
45AQI (US)
11th February 2026
40AQI (US)
12th February 2026
39AQI (US)
13th February 2026
48AQI (US)
14th February 2026
50AQI (US)
15th February 2026
44AQI (US)
16th February 2026
47AQI (US)
17th February 2026
57AQI (US)
18th February 2026
44AQI (US)
19th February 2026
41AQI (US)
20th February 2026
41AQI (US)
21st February 2026
38AQI (US)
22nd February 2026
36AQI (US)
23rd February 2026
39AQI (US)
24th February 2026
46AQI (US)
25th February 2026
44AQI (US)
26th February 2026
35AQI (US)
27th February 2026
38AQI (US)
28th February 2026
36AQI (US)
1st March 2026
39AQI (US)
2nd March 2026
61AQI (US)
3rd March 2026
48AQI (US)
4th March 2026
48AQI (US)
5th March 2026
42AQI (US)
6th March 2026
36AQI (US)
7th March 2026
42AQI (US)
8th March 2026
39AQI (US)
9th March 2026
37AQI (US)
10th March 2026
37AQI (US)
11th March 2026
43AQI (US)
12th March 2026
39AQI (US)
13th March 2026
41AQI (US)
14th March 2026
36AQI (US)
15th March 2026
33AQI (US)
16th March 2026
38AQI (US)
17th March 2026
34AQI (US)
18th March 2026
32AQI (US)
19th March 2026
39AQI (US)
20th March 2026
42AQI (US)
21st March 2026
40AQI (US)
22nd March 2026
37AQI (US)
23rd March 2026
40AQI (US)
24th March 2026
38AQI (US)
25th March 2026
38AQI (US)
26th March 2026
37AQI (US)
27th March 2026
28AQI (US)
28th March 2026
31AQI (US)
29th March 2026
31AQI (US)
30th March 2026
31AQI (US)
31st March 2026
43AQI (US)
1st April 2026
33AQI (US)
2nd April 2026
30AQI (US)
3rd April 2026
36AQI (US)
4th April 2026
30AQI (US)
5th April 2026
32AQI (US)
6th April 2026
30AQI (US)
7th April 2026
28AQI (US)
8th April 2026
32AQI (US)
9th April 2026
33AQI (US)
10th April 2026
31AQI (US)
11th April 2026
32AQI (US)
12th April 2026
29AQI (US)
13th April 2026
36AQI (US)
14th April 2026
39AQI (US)
15th April 2026
46AQI (US)
16th April 2026
40AQI (US)
17th April 2026
18th April 2026
30AQI (US)
19th April 2026
38AQI (US)
20th April 2026
28AQI (US)
21st April 2026
27AQI (US)
22nd April 2026
23rd April 2026
34AQI (US)
24th April 2026
26AQI (US)
25th April 2026
29AQI (US)
26th April 2026
34AQI (US)
27th April 2026
28AQI (US)
28th April 2026
30AQI (US)
29th April 2026
24AQI (US)
30th April 2026
27AQI (US)
1st May 2026
27AQI (US)
2nd May 2026
24AQI (US)
3rd May 2026
27AQI (US)
4th May 2026
33AQI (US)
5th May 2026
36AQI (US)
6th May 2026
30AQI (US)
7th May 2026
27AQI (US)
8th May 2026
30AQI (US)
9th May 2026
10th May 2026
31AQI (US)
11th May 2026
28AQI (US)
12th May 2026
27AQI (US)
13th May 2026
36AQI (US)
14th May 2026
26AQI (US)
15th May 2026
43AQI (US)
16th May 2026
49AQI (US)
17th May 2026
78AQI (US)
18th May 2026
61AQI (US)
19th May 2026
46AQI (US)
20th May 2026
51AQI (US)
21st May 2026
44AQI (US)
22nd May 2026
44AQI (US)
23rd May 2026
51AQI (US)
24th May 2026
43AQI (US)
25th May 2026
47AQI (US)
26th May 2026
36AQI (US)
27th May 2026
29AQI (US)
28th May 2026
28AQI (US)
29th May 2026
26AQI (US)
30th May 2026
28AQI (US)
31st May 2026
30AQI (US)
1st June 2026
31AQI (US)
2nd June 2026
33AQI (US)
3rd June 2026
30AQI (US)
4th June 2026
33AQI (US)
5th June 2026
45AQI (US)
6th June 2026
46AQI (US)
7th June 2026
28AQI (US)
8th June 2026
26AQI (US)
9th June 2026
43AQI (US)
10th June 2026
45AQI (US)
11th June 2026
38AQI (US)
12th June 2026
29AQI (US)
13th June 2026
28AQI (US)
14th June 2026
25AQI (US)
15th June 2026
27AQI (US)
16th June 2026
27AQI (US)
17th June 2026
28AQI (US)
18th June 2026
27AQI (US)
19th June 2026
26AQI (US)
20th June 2026
24AQI (US)
21st June 2026
23AQI (US)
22nd June 2026
27AQI (US)
23rd June 2026
25AQI (US)
24th June 2026
24AQI (US)
25th June 2026
33AQI (US)
26th June 2026
44AQI (US)
27th June 2026
43AQI (US)
28th June 2026
37AQI (US)
29th June 2026
36AQI (US)
30th June 2026
40AQI (US)
1st July 2026
43AQI (US)
2nd July 2026
36AQI (US)
3rd July 2026
39AQI (US)
4th July 2026
40AQI (US)
5th July 2026
38AQI (US)
6th July 2026
30AQI (US)
7th July 2026
32AQI (US)
8th July 2026
28AQI (US)
9th July 2026
45AQI (US)
10th July 2026
35AQI (US)
11th July 2026
53AQI (US)
12th July 2026
68AQI (US)
13th July 2026
67AQI (US)
14th July 2026
59AQI (US)
15th July 2026
61AQI (US)
16th July 2026
81AQI (US)
17th July 2026
85AQI (US)
18th July 2026
97AQI (US)
19th July 2026
47AQI (US)
20th July 2026
40AQI (US)
21st July 2026
63AQI (US)
22nd July 2026
28AQI (US)
23rd July 2026
29AQI (US)
24th July 2026
29AQI (US)
25th July 2026
28AQI (US)
26th July 2026
42AQI (US)
27th July 2026
52AQI (US)
28th July 2026
52AQI (US)
29th July 2026
24AQI (US)
30th July 2026
28AQI (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

39AQI (US)

44AQI (US)

39AQI (US)

32AQI (US)

37AQI (US)

32AQI (US)

47AQI (US)

No. of days

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

202639AQI (US)

25
6
25
3
30
1
28
26
4
30
19
11
183
25

Highest AQI (US) recorded in

July

47AQI (US)

Lowest AQI (US) recorded in

June

32AQI (US)

202536AQI (US)

26
5
24
4
29
2
30
31
19
11
24
7
18
12
1
28
2
27
4
27
3
23
8
306
58
1

Highest AQI (US) recorded in

August

49AQI (US)

Lowest AQI (US) recorded in

May

24AQI (US)

202432AQI (US)

27
4
26
3
29
2
30
30
1
27
2
29
2
23
8
27
3
27
4
30
29
2
334
31

Highest AQI (US) recorded in

July

38AQI (US)

Lowest AQI (US) recorded in

November

24AQI (US)

202339AQI (US)

26
5
22
6
29
2
24
6
28
3
15
10
4
1
23
8
22
9
28
2
28
3
27
2
24
7
296
63
4
1

Highest AQI (US) recorded in

June

65AQI (US)

Lowest AQI (US) recorded in

October

30AQI (US)

202233AQI (US)

27
3
21
26
5
23
1
30
1
28
2
23
1
1
30
29
2
25
5
30
1
293
21

Highest AQI (US) recorded in

November

37AQI (US)

Lowest AQI (US) recorded in

August

20AQI (US)

202134AQI (US)

24
6
26
2
26
5
28
2
25
6
28
2
24
6
1
27
4
30
31
26
4
29
2
324
39
1

Highest AQI (US) recorded in

July

42AQI (US)

Lowest AQI (US) recorded in

October

26AQI (US)

202032AQI (US)

12
1
20
1
17
1
28
2
29
2
30
1
27
3
30
1
26
4
26
5
245
21

Highest AQI (US) recorded in

June

36AQI (US)

Lowest AQI (US) recorded in

October

26AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2026(Avg.)
39AQI (US)
Least Polluted Year Recorded
2020(Avg.)
32AQI (US)

Toronto's annual 2026 AQI (US) (39) shows an average percentage change of 14.1% (worsened AQI (US)) compared to previous years: 2020 (32), 2021 (34), 2022 (33), 2023 (39), 2024 (32), 2025 (36).