Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Toronto West, 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 West, Toronto, Ontario, Canada

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
19th Jul 2021
108AQI
Lowest AQI recorded on
23rd Jul 2022
18AQI

Same Day Analysis (29th July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 52 of Moderate air quality, showing improvement over 2024 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 29th Jul - 30th Jul 2025

Toronto West, Toronto, Ontario, Canada

AQI
Day
Night
.

5 AM29th Jul 2025

8 PM

4 AM30th Jul 2025

Day time
Avg. Highest Time
11AM29th Jul

52AQI

Avg. Lowest Time
3PM29th Jul

48AQI

Night time
Avg. Highest Time
5AM29th Jul

53AQI

Avg. Lowest Time
2AM30th Jul

46AQI

In the last 24 hours,

Toronto West's AQI reached its highest point of 53 at 5 AM during the Night, while the lowest point, 46, was recorded at 2 AM during the Night between 29th Jul and 30th Jul 2025.

Day & Night AQI Trend : Jun - Jul 2025

Toronto West, Toronto, Ontario, Canada

JunJul
30th - 01st01st - 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
30th Jun 2025395 AMAQI
30th Jun 2025406 AMAQI
30th Jun 2025427 AMAQI
30th Jun 2025438 AMAQI
30th Jun 2025449 AMAQI
30th Jun 20254510 AMAQI
30th Jun 20254611 AMAQI
30th Jun 20254712 PMAQI
30th Jun 2025461 PMAQI
30th Jun 2025472 PMAQI
30th Jun 2025463 PMAQI
30th Jun 2025424 PMAQI
30th Jun 2025455 PMAQI
30th Jun 2025446 PMAQI
30th Jun 2025447 PMAQI
30th Jun 2025448 PMAQI
30th Jun 2025459 PMAQI
30th Jun 20254410 PMAQI
30th Jun 20254111 PMAQI
1st Jul 20254012 AMAQI
1st Jul 2025441 AMAQI
1st Jul 2025452 AMAQI
1st Jul 2025473 AMAQI
1st Jul 2025504 AMAQI

24°C17/30°C

1st Jul 2025475 AMAQI
1st Jul 2025466 AMAQI
1st Jul 2025457 AMAQI
1st Jul 2025508 AMAQI
1st Jul 2025509 AMAQI
1st Jul 20255010 AMAQI
1st Jul 20254711 AMAQI
1st Jul 20254412 PMAQI
1st Jul 2025411 PMAQI
1st Jul 2025412 PMAQI
1st Jul 2025423 PMAQI
1st Jul 2025404 PMAQI
1st Jul 2025405 PMAQI
1st Jul 2025406 PMAQI
1st Jul 2025407 PMAQI
1st Jul 2025398 PMAQI
1st Jul 2025429 PMAQI
1st Jul 20254210 PMAQI
1st Jul 20253611 PMAQI
2nd Jul 20253712 AMAQI
2nd Jul 2025391 AMAQI
2nd Jul 2025422 AMAQI
2nd Jul 2025423 AMAQI
2nd Jul 2025394 AMAQI

25°C22/32°C

2nd Jul 2025405 AMAQI
2nd Jul 2025386 AMAQI
2nd Jul 2025387 AMAQI
2nd Jul 2025398 AMAQI
2nd Jul 2025399 AMAQI
2nd Jul 20253910 AMAQI
2nd Jul 20253911 AMAQI
2nd Jul 20253912 PMAQI
2nd Jul 2025391 PMAQI
2nd Jul 2025462 PMAQI
2nd Jul 2025503 PMAQI
2nd Jul 2025504 PMAQI
2nd Jul 2025495 PMAQI
2nd Jul 2025496 PMAQI
2nd Jul 2025497 PMAQI
2nd Jul 2025498 PMAQI
2nd Jul 2025469 PMAQI
2nd Jul 20254510 PMAQI
2nd Jul 20255111 PMAQI
3rd Jul 20255112 AMAQI
3rd Jul 2025511 AMAQI
3rd Jul 2025512 AMAQI
3rd Jul 2025513 AMAQI
3rd Jul 2025514 AMAQI

25°C18/30°C

3rd Jul 2025515 AMAQI
3rd Jul 2025546 AMAQI
3rd Jul 2025567 AMAQI
3rd Jul 2025548 AMAQI
3rd Jul 2025539 AMAQI
3rd Jul 20255210 AMAQI
3rd Jul 20255211 AMAQI
3rd Jul 20255212 PMAQI
3rd Jul 2025541 PMAQI
3rd Jul 2025532 PMAQI
3rd Jul 2025533 PMAQI
3rd Jul 2025534 PMAQI
3rd Jul 2025545 PMAQI
3rd Jul 2025546 PMAQI
3rd Jul 2025527 PMAQI
3rd Jul 2025508 PMAQI
3rd Jul 2025509 PMAQI
3rd Jul 20255110 PMAQI
3rd Jul 20254511 PMAQI
4th Jul 20254612 AMAQI
4th Jul 2025461 AMAQI
4th Jul 2025382 AMAQI
4th Jul 2025313 AMAQI
4th Jul 2025294 AMAQI

24°C18/31°C

4th Jul 2025305 AMAQI
4th Jul 2025326 AMAQI
4th Jul 2025317 AMAQI
4th Jul 2025368 AMAQI
4th Jul 2025349 AMAQI
4th Jul 20253310 AMAQI
4th Jul 20253411 AMAQI
4th Jul 20253212 PMAQI
4th Jul 2025331 PMAQI
4th Jul 2025322 PMAQI
4th Jul 2025333 PMAQI
4th Jul 2025344 PMAQI
4th Jul 2025345 PMAQI
4th Jul 2025336 PMAQI
4th Jul 2025327 PMAQI
4th Jul 2025328 PMAQI
4th Jul 2025349 PMAQI
4th Jul 20253610 PMAQI
4th Jul 20253711 PMAQI
5th Jul 20253912 AMAQI
5th Jul 2025471 AMAQI
5th Jul 2025572 AMAQI
5th Jul 2025533 AMAQI
5th Jul 2025524 AMAQI

22°C14/29°C

5th Jul 2025505 AMAQI
5th Jul 2025446 AMAQI
5th Jul 2025437 AMAQI
5th Jul 2025458 AMAQI
5th Jul 2025449 AMAQI
5th Jul 20254710 AMAQI
5th Jul 20255011 AMAQI
5th Jul 20255212 PMAQI
5th Jul 2025531 PMAQI
5th Jul 2025542 PMAQI
5th Jul 2025533 PMAQI
5th Jul 2025494 PMAQI
5th Jul 2025485 PMAQI
5th Jul 2025466 PMAQI
5th Jul 2025477 PMAQI
5th Jul 2025498 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255010 PMAQI
5th Jul 20255011 PMAQI
6th Jul 20254912 AMAQI
6th Jul 2025521 AMAQI
6th Jul 2025552 AMAQI
6th Jul 2025553 AMAQI
6th Jul 2025544 AMAQI

26°C18/34°C

6th Jul 2025555 AMAQI
6th Jul 2025556 AMAQI
6th Jul 2025547 AMAQI
6th Jul 2025548 AMAQI
6th Jul 2025559 AMAQI
6th Jul 20255710 AMAQI
6th Jul 20255711 AMAQI
6th Jul 20255712 PMAQI
6th Jul 2025571 PMAQI
6th Jul 2025562 PMAQI
6th Jul 2025563 PMAQI
6th Jul 2025544 PMAQI
6th Jul 2025555 PMAQI
6th Jul 2025546 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025559 PMAQI
6th Jul 20255510 PMAQI
6th Jul 20255411 PMAQI
7th Jul 20255412 AMAQI
7th Jul 2025561 AMAQI
7th Jul 2025552 AMAQI
7th Jul 2025553 AMAQI
7th Jul 2025554 AMAQI

29°C23/36°C

7th Jul 2025545 AMAQI
7th Jul 2025566 AMAQI
7th Jul 2025557 AMAQI
7th Jul 2025568 AMAQI
7th Jul 2025559 AMAQI
7th Jul 20255410 AMAQI
7th Jul 20255411 AMAQI
7th Jul 20255212 PMAQI
7th Jul 2025521 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025463 PMAQI
7th Jul 2025494 PMAQI
7th Jul 2025475 PMAQI
7th Jul 2025466 PMAQI
7th Jul 2025447 PMAQI
7th Jul 2025468 PMAQI
7th Jul 2025499 PMAQI
7th Jul 20255010 PMAQI
7th Jul 20254511 PMAQI
8th Jul 20254212 AMAQI
8th Jul 2025431 AMAQI
8th Jul 2025352 AMAQI
8th Jul 2025343 AMAQI
8th Jul 2025334 AMAQI

25°C21/29°C

8th Jul 2025355 AMAQI
8th Jul 2025346 AMAQI
8th Jul 2025337 AMAQI
8th Jul 2025338 AMAQI
8th Jul 2025349 AMAQI
8th Jul 20253310 AMAQI
8th Jul 20253511 AMAQI
8th Jul 20253412 PMAQI
8th Jul 2025341 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025353 PMAQI
8th Jul 2025324 PMAQI
8th Jul 2025355 PMAQI
8th Jul 2025346 PMAQI
8th Jul 2025367 PMAQI
8th Jul 2025388 PMAQI
8th Jul 2025369 PMAQI
8th Jul 20253610 PMAQI
8th Jul 20253711 PMAQI
9th Jul 20253812 AMAQI
9th Jul 2025361 AMAQI
9th Jul 2025352 AMAQI
9th Jul 2025353 AMAQI
9th Jul 2025364 AMAQI

23°C20/28°C

9th Jul 2025405 AMAQI
9th Jul 2025416 AMAQI
9th Jul 2025397 AMAQI
9th Jul 2025378 AMAQI
9th Jul 2025409 AMAQI
9th Jul 20254310 AMAQI
9th Jul 20254511 AMAQI
9th Jul 20254812 PMAQI
9th Jul 2025481 PMAQI
9th Jul 2025502 PMAQI
9th Jul 2025523 PMAQI
9th Jul 2025494 PMAQI
9th Jul 2025475 PMAQI
9th Jul 2025476 PMAQI
9th Jul 2025507 PMAQI
9th Jul 2025488 PMAQI
9th Jul 2025429 PMAQI
9th Jul 20254210 PMAQI
9th Jul 20254011 PMAQI
10th Jul 20253812 AMAQI
10th Jul 2025381 AMAQI
10th Jul 2025382 AMAQI
10th Jul 2025403 AMAQI
10th Jul 2025434 AMAQI

23°C20/29°C

10th Jul 2025425 AMAQI
10th Jul 2025406 AMAQI
10th Jul 2025417 AMAQI
10th Jul 2025408 AMAQI
10th Jul 2025449 AMAQI
10th Jul 20254510 AMAQI
10th Jul 20254411 AMAQI
10th Jul 20254512 PMAQI
10th Jul 2025481 PMAQI
10th Jul 2025482 PMAQI
10th Jul 2025513 PMAQI
10th Jul 2025504 PMAQI
10th Jul 2025505 PMAQI
10th Jul 2025506 PMAQI
10th Jul 2025497 PMAQI
10th Jul 2025508 PMAQI
10th Jul 2025459 PMAQI
10th Jul 20254610 PMAQI
10th Jul 20255111 PMAQI
11th Jul 20254712 AMAQI
11th Jul 2025501 AMAQI
11th Jul 2025532 AMAQI
11th Jul 2025523 AMAQI
11th Jul 2025534 AMAQI

25°C20/29°C

11th Jul 2025535 AMAQI
11th Jul 2025506 AMAQI
11th Jul 2025527 AMAQI
11th Jul 2025548 AMAQI
11th Jul 2025549 AMAQI
11th Jul 20255410 AMAQI
11th Jul 20255511 AMAQI
11th Jul 20255412 PMAQI
11th Jul 2025541 PMAQI
11th Jul 2025542 PMAQI
11th Jul 2025553 PMAQI
11th Jul 2025554 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025548 PMAQI
11th Jul 2025549 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025532 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025534 AMAQI

26°C19/32°C

12th Jul 2025525 AMAQI
12th Jul 2025476 AMAQI
12th Jul 2025467 AMAQI
12th Jul 2025488 AMAQI
12th Jul 2025529 AMAQI
12th Jul 20255010 AMAQI
12th Jul 20255011 AMAQI
12th Jul 20254812 PMAQI
12th Jul 2025491 PMAQI
12th Jul 2025482 PMAQI
12th Jul 2025503 PMAQI
12th Jul 2025494 PMAQI
12th Jul 2025515 PMAQI
12th Jul 2025526 PMAQI
12th Jul 2025537 PMAQI
12th Jul 2025498 PMAQI
12th Jul 2025509 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20255111 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025521 AMAQI
13th Jul 2025522 AMAQI
13th Jul 2025523 AMAQI
13th Jul 2025514 AMAQI

28°C22/36°C

13th Jul 2025515 AMAQI
13th Jul 2025486 AMAQI
13th Jul 2025497 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025519 AMAQI
13th Jul 20255210 AMAQI
13th Jul 20255111 AMAQI
13th Jul 20255012 PMAQI
13th Jul 2025471 PMAQI
13th Jul 2025462 PMAQI
13th Jul 2025463 PMAQI
13th Jul 2025484 PMAQI
13th Jul 2025475 PMAQI
13th Jul 2025466 PMAQI
13th Jul 2025507 PMAQI
13th Jul 2025538 PMAQI
13th Jul 2025529 PMAQI
13th Jul 20255010 PMAQI
13th Jul 20255011 PMAQI
14th Jul 20255012 AMAQI
14th Jul 2025591 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025513 AMAQI
14th Jul 2025484 AMAQI

28°C24/31°C

14th Jul 2025335 AMAQI
14th Jul 2025366 AMAQI
14th Jul 2025487 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025519 AMAQI
14th Jul 20255010 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20255212 PMAQI
14th Jul 2025501 PMAQI
14th Jul 2025522 PMAQI
14th Jul 2025513 PMAQI
14th Jul 2025504 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025517 PMAQI
14th Jul 2025518 PMAQI
14th Jul 2025509 PMAQI
14th Jul 20255010 PMAQI
14th Jul 20254911 PMAQI
15th Jul 20254912 AMAQI
15th Jul 2025481 AMAQI
15th Jul 2025522 AMAQI
15th Jul 2025563 AMAQI
15th Jul 2025564 AMAQI

27°C21/33°C

15th Jul 2025565 AMAQI
15th Jul 2025616 AMAQI
15th Jul 2025627 AMAQI
15th Jul 2025618 AMAQI
15th Jul 2025589 AMAQI
15th Jul 20255710 AMAQI
15th Jul 20255711 AMAQI
15th Jul 20255812 PMAQI
15th Jul 2025581 PMAQI
15th Jul 2025572 PMAQI
15th Jul 2025573 PMAQI
15th Jul 2025564 PMAQI
15th Jul 2025575 PMAQI
15th Jul 2025576 PMAQI
15th Jul 2025577 PMAQI
15th Jul 2025578 PMAQI
15th Jul 2025569 PMAQI
15th Jul 20255710 PMAQI
15th Jul 20255711 PMAQI
16th Jul 20255612 AMAQI
16th Jul 2025561 AMAQI
16th Jul 2025542 AMAQI
16th Jul 2025553 AMAQI
16th Jul 2025574 AMAQI

27°C20/35°C

16th Jul 2025565 AMAQI
16th Jul 2025566 AMAQI
16th Jul 2025627 AMAQI
16th Jul 2025628 AMAQI
16th Jul 2025609 AMAQI
16th Jul 20256110 AMAQI
16th Jul 20255911 AMAQI
16th Jul 20256012 PMAQI
16th Jul 2025591 PMAQI
16th Jul 2025602 PMAQI
16th Jul 2025603 PMAQI
16th Jul 2025594 PMAQI
16th Jul 2025595 PMAQI
16th Jul 2025596 PMAQI
16th Jul 2025607 PMAQI
16th Jul 2025598 PMAQI
16th Jul 2025609 PMAQI
16th Jul 20256010 PMAQI
16th Jul 20255811 PMAQI
17th Jul 20256012 AMAQI
17th Jul 2025591 AMAQI
17th Jul 2025522 AMAQI
17th Jul 2025513 AMAQI
17th Jul 2025504 AMAQI

28°C20/36°C

17th Jul 2025485 AMAQI
17th Jul 2025456 AMAQI
17th Jul 2025447 AMAQI
17th Jul 2025458 AMAQI
17th Jul 2025449 AMAQI
17th Jul 20254310 AMAQI
17th Jul 20254411 AMAQI
17th Jul 20254512 PMAQI
17th Jul 2025511 PMAQI
17th Jul 2025502 PMAQI
17th Jul 2025473 PMAQI
17th Jul 2025444 PMAQI
17th Jul 2025425 PMAQI
17th Jul 2025426 PMAQI
17th Jul 2025427 PMAQI
17th Jul 2025408 PMAQI
17th Jul 2025419 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20253511 PMAQI
18th Jul 20253512 AMAQI
18th Jul 2025311 AMAQI
18th Jul 2025222 AMAQI
18th Jul 2025193 AMAQI
18th Jul 2025204 AMAQI

25°C19/31°C

18th Jul 2025205 AMAQI
18th Jul 2025216 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025228 AMAQI
18th Jul 2025239 AMAQI
18th Jul 20252210 AMAQI
18th Jul 20252211 AMAQI
18th Jul 20252212 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025222 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025234 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025247 PMAQI
18th Jul 2025238 PMAQI
18th Jul 2025229 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252412 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025242 AMAQI
19th Jul 2025233 AMAQI
19th Jul 2025324 AMAQI

21°C14/27°C

19th Jul 2025345 AMAQI
19th Jul 2025346 AMAQI
19th Jul 2025357 AMAQI
19th Jul 2025368 AMAQI
19th Jul 2025359 AMAQI
19th Jul 20253410 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025321 PMAQI
19th Jul 2025282 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025276 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025309 PMAQI
19th Jul 20253010 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20252912 AMAQI
20th Jul 2025331 AMAQI
20th Jul 2025432 AMAQI
20th Jul 2025423 AMAQI
20th Jul 2025374 AMAQI

23°C16/31°C

20th Jul 2025375 AMAQI
20th Jul 2025376 AMAQI
20th Jul 2025327 AMAQI
20th Jul 2025298 AMAQI
20th Jul 2025299 AMAQI
20th Jul 20252710 AMAQI
20th Jul 20252611 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025282 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025274 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025401 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025574 AMAQI

24°C20/30°C

21st Jul 2025595 AMAQI
21st Jul 2025586 AMAQI
21st Jul 2025567 AMAQI
21st Jul 2025548 AMAQI
21st Jul 2025549 AMAQI
21st Jul 20254910 AMAQI
21st Jul 20254111 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025351 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025364 PMAQI
21st Jul 2025405 PMAQI
21st Jul 2025406 PMAQI
21st Jul 2025337 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025429 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20253412 AMAQI
22nd Jul 2025321 AMAQI
22nd Jul 2025212 AMAQI
22nd Jul 2025223 AMAQI
22nd Jul 2025224 AMAQI

20°C16/25°C

22nd Jul 2025215 AMAQI
22nd Jul 2025226 AMAQI
22nd Jul 2025207 AMAQI
22nd Jul 2025218 AMAQI
22nd Jul 2025229 AMAQI
22nd Jul 20252210 AMAQI
22nd Jul 20252111 AMAQI
22nd Jul 20252012 PMAQI
22nd Jul 2025211 PMAQI
22nd Jul 2025212 PMAQI
22nd Jul 2025223 PMAQI
22nd Jul 2025224 PMAQI
22nd Jul 2025225 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252210 PMAQI
22nd Jul 20252211 PMAQI
23rd Jul 20252212 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025224 AMAQI

20°C14/26°C

23rd Jul 2025245 AMAQI
23rd Jul 2025246 AMAQI
23rd Jul 2025267 AMAQI
23rd Jul 2025288 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252710 AMAQI
23rd Jul 20252511 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025221 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025233 PMAQI
23rd Jul 2025244 PMAQI
23rd Jul 2025235 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025237 PMAQI
23rd Jul 2025238 PMAQI
23rd Jul 2025239 PMAQI
23rd Jul 20252310 PMAQI
23rd Jul 20252411 PMAQI
24th Jul 20252412 AMAQI
24th Jul 2025241 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025363 AMAQI
24th Jul 2025424 AMAQI

24°C18/31°C

24th Jul 2025345 AMAQI
24th Jul 2025336 AMAQI
24th Jul 2025337 AMAQI
24th Jul 2025358 AMAQI
24th Jul 2025369 AMAQI
24th Jul 20253810 AMAQI
24th Jul 20254111 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025431 PMAQI
24th Jul 2025372 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025354 PMAQI
24th Jul 2025395 PMAQI
24th Jul 2025386 PMAQI
24th Jul 2025337 PMAQI
24th Jul 2025378 PMAQI
24th Jul 2025399 PMAQI
24th Jul 20254210 PMAQI
24th Jul 20254611 PMAQI
25th Jul 20254712 AMAQI
25th Jul 2025411 AMAQI
25th Jul 2025402 AMAQI
25th Jul 2025433 AMAQI
25th Jul 2025394 AMAQI

28°C20/37°C

25th Jul 2025375 AMAQI
25th Jul 2025376 AMAQI
25th Jul 2025347 AMAQI
25th Jul 2025358 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253810 AMAQI
25th Jul 20253611 AMAQI
25th Jul 20253612 PMAQI
25th Jul 2025361 PMAQI
25th Jul 2025352 PMAQI
25th Jul 2025383 PMAQI
25th Jul 2025374 PMAQI
25th Jul 2025385 PMAQI
25th Jul 2025416 PMAQI
25th Jul 2025447 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20254210 PMAQI
25th Jul 20254211 PMAQI
26th Jul 20254112 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025552 AMAQI
26th Jul 2025583 AMAQI
26th Jul 2025604 AMAQI

26°C23/30°C

26th Jul 2025565 AMAQI
26th Jul 2025536 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025528 AMAQI
26th Jul 2025559 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255611 AMAQI
26th Jul 20255612 PMAQI
26th Jul 2025561 PMAQI
26th Jul 2025562 PMAQI
26th Jul 2025553 PMAQI
26th Jul 2025544 PMAQI
26th Jul 2025535 PMAQI
26th Jul 2025526 PMAQI
26th Jul 2025527 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025529 PMAQI
26th Jul 20255310 PMAQI
26th Jul 20255211 PMAQI
27th Jul 20255212 AMAQI
27th Jul 2025521 AMAQI
27th Jul 2025482 AMAQI
27th Jul 2025483 AMAQI
27th Jul 2025504 AMAQI

25°C19/30°C

27th Jul 2025485 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025487 AMAQI
27th Jul 2025478 AMAQI
27th Jul 2025489 AMAQI
27th Jul 20254810 AMAQI
27th Jul 20254811 AMAQI
27th Jul 20255012 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025512 PMAQI
27th Jul 2025503 PMAQI
27th Jul 2025494 PMAQI
27th Jul 2025515 PMAQI
27th Jul 2025516 PMAQI
27th Jul 2025507 PMAQI
27th Jul 2025498 PMAQI
27th Jul 2025509 PMAQI
27th Jul 20254810 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025521 AMAQI
28th Jul 2025522 AMAQI
28th Jul 2025533 AMAQI
28th Jul 2025524 AMAQI

28°C23/33°C

28th Jul 2025525 AMAQI
28th Jul 2025526 AMAQI
28th Jul 2025527 AMAQI
28th Jul 2025548 AMAQI
28th Jul 2025569 AMAQI
28th Jul 20255610 AMAQI
28th Jul 20255611 AMAQI
28th Jul 20255512 PMAQI
28th Jul 2025561 PMAQI
28th Jul 2025552 PMAQI
28th Jul 2025543 PMAQI
28th Jul 2025564 PMAQI
28th Jul 2025555 PMAQI
28th Jul 2025556 PMAQI
28th Jul 2025567 PMAQI
28th Jul 2025568 PMAQI
28th Jul 2025559 PMAQI
28th Jul 20255510 PMAQI
28th Jul 20255411 PMAQI
29th Jul 20255512 AMAQI
29th Jul 2025551 AMAQI
29th Jul 2025532 AMAQI
29th Jul 2025533 AMAQI
29th Jul 2025524 AMAQI

28°C20/34°C

29th Jul 2025535 AMAQI
29th Jul 2025506 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025498 AMAQI
29th Jul 2025519 AMAQI
29th Jul 20255110 AMAQI
29th Jul 20255211 AMAQI
29th Jul 20255112 PMAQI
29th Jul 2025501 PMAQI
29th Jul 2025482 PMAQI
29th Jul 2025483 PMAQI
29th Jul 2025494 PMAQI
29th Jul 2025515 PMAQI
29th Jul 2025516 PMAQI
29th Jul 2025507 PMAQI
29th Jul 2025508 PMAQI
29th Jul 2025519 PMAQI
29th Jul 20255110 PMAQI
29th Jul 20254911 PMAQI
30th Jul 20255112 AMAQI
30th Jul 2025481 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025483 AMAQI
30th Jul 2025474 AMAQI

28°C22/35°C

30th Jul 2025495 AMAQI
5 AM
30th Jul 2025506 AMAQI
30th Jul 2025527 AMAQI
30th Jul 2025528 AMAQI
30th Jul 2025529 AMAQI
30th Jul 20255210 AMAQI
30th Jul 20255211 AMAQI
30th Jul 20255312 PMAQI
12 PM
30th Jul 2025531 PMAQI
30th Jul 2025542 PMAQI
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

44AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

44AQI

16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 44), while the lowest AQI was between 5 AM to 8 PM (Avg. 44).
Night time
Avg. Highest Time
12 AM - 11 PM

44AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

44AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 44), while the lowest AQI was between 12 AM to 11 PM (Avg. 44).

2025 Days Vs Air Quality

Toronto West, Toronto, Ontario, Canada

2025

84%

176

16%

34

Total number of days with different AQI categories in last 211 days in 2025 (154 days remaining)

Good
176 Days
Moderate
34 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 84%

Health Risk Level:

Low

In 2025, 84% 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 West, Toronto, Ontario, Canada

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

1st January 2025
21AQI
2nd January 2025
20AQI
3rd January 2025
22AQI
4th January 2025
26AQI
5th January 2025
25AQI
6th January 2025
20AQI
7th January 2025
20AQI
8th January 2025
22AQI
9th January 2025
22AQI
10th January 2025
42AQI
11th January 2025
65AQI
12th January 2025
51AQI
13th January 2025
42AQI
14th January 2025
24AQI
15th January 2025
25AQI
16th January 2025
55AQI
17th January 2025
44AQI
18th January 2025
28AQI
19th January 2025
22AQI
20th January 2025
23AQI
21st January 2025
28AQI
22nd January 2025
34AQI
23rd January 2025
47AQI
24th January 2025
35AQI
25th January 2025
52AQI
26th January 2025
31AQI
27th January 2025
26AQI
28th January 2025
24AQI
29th January 2025
26AQI
30th January 2025
24AQI
31st January 2025
63AQI
1st February 2025
23AQI
2nd February 2025
29AQI
3rd February 2025
56AQI
4th February 2025
21AQI
5th February 2025
26AQI
6th February 2025
39AQI
7th February 2025
25AQI
8th February 2025
40AQI
9th February 2025
32AQI
10th February 2025
27AQI
11th February 2025
46AQI
12th February 2025
27AQI
13th February 2025
26AQI
14th February 2025
26AQI
15th February 2025
32AQI
16th February 2025
27AQI
17th February 2025
24AQI
18th February 2025
22AQI
19th February 2025
22AQI
20th February 2025
21AQI
21st February 2025
24AQI
22nd February 2025
51AQI
23rd February 2025
62AQI
24th February 2025
62AQI
25th February 2025
69AQI
26th February 2025
32AQI
27th February 2025
42AQI
28th February 2025
25AQI
1st March 2025
29AQI
2nd March 2025
26AQI
3rd March 2025
34AQI
4th March 2025
43AQI
5th March 2025
44AQI
6th March 2025
24AQI
7th March 2025
30AQI
8th March 2025
32AQI
9th March 2025
29AQI
10th March 2025
36AQI
11th March 2025
39AQI
12th March 2025
25AQI
13th March 2025
28AQI
14th March 2025
62AQI
15th March 2025
60AQI
16th March 2025
34AQI
17th March 2025
18AQI
18th March 2025
32AQI
19th March 2025
35AQI
20th March 2025
29AQI
21st March 2025
18AQI
22nd March 2025
18AQI
23rd March 2025
23AQI
24th March 2025
23AQI
25th March 2025
20AQI
26th March 2025
20AQI
27th March 2025
30AQI
28th March 2025
22AQI
29th March 2025
22AQI
30th March 2025
24AQI
31st March 2025
32AQI
1st April 2025
18AQI
2nd April 2025
19AQI
3rd April 2025
34AQI
4th April 2025
21AQI
5th April 2025
27AQI
6th April 2025
17AQI
7th April 2025
23AQI
8th April 2025
16AQI
9th April 2025
23AQI
10th April 2025
35AQI
11th April 2025
34AQI
12th April 2025
30AQI
13th April 2025
35AQI
14th April 2025
28AQI
15th April 2025
21AQI
16th April 2025
14AQI
17th April 2025
21AQI
18th April 2025
37AQI
19th April 2025
42AQI
20th April 2025
18AQI
21st April 2025
21AQI
22nd April 2025
19AQI
23rd April 2025
20AQI
24th April 2025
38AQI
25th April 2025
39AQI
26th April 2025
31AQI
27th April 2025
14AQI
28th April 2025
25AQI
29th April 2025
35AQI
30th April 2025
19AQI
1st May 2025
31AQI
2nd May 2025
32AQI
3rd May 2025
18AQI
4th May 2025
16AQI
5th May 2025
17AQI
6th May 2025
20AQI
7th May 2025
29AQI
8th May 2025
17AQI
9th May 2025
22AQI
10th May 2025
25AQI
11th May 2025
21AQI
12th May 2025
29AQI
13th May 2025
38AQI
14th May 2025
22AQI
15th May 2025
26AQI
16th May 2025
35AQI
17th May 2025
34AQI
18th May 2025
17AQI
19th May 2025
14AQI
20th May 2025
16AQI
21st May 2025
16AQI
22nd May 2025
13AQI
23rd May 2025
14AQI
24th May 2025
14AQI
25th May 2025
16AQI
26th May 2025
22AQI
27th May 2025
31AQI
28th May 2025
25AQI
29th May 2025
28AQI
30th May 2025
35AQI
31st May 2025
26AQI
1st June 2025
16AQI
2nd June 2025
24AQI
3rd June 2025
40AQI
4th June 2025
57AQI
5th June 2025
50AQI
6th June 2025
61AQI
7th June 2025
62AQI
8th June 2025
74AQI
9th June 2025
65AQI
10th June 2025
54AQI
11th June 2025
59AQI
12th June 2025
65AQI
13th June 2025
43AQI
14th June 2025
32AQI
15th June 2025
37AQI
16th June 2025
40AQI
17th June 2025
38AQI
18th June 2025
41AQI
19th June 2025
39AQI
20th June 2025
38AQI
21st June 2025
50AQI
22nd June 2025
54AQI
23rd June 2025
55AQI
24th June 2025
57AQI
25th June 2025
51AQI
26th June 2025
47AQI
27th June 2025
38AQI
28th June 2025
35AQI
29th June 2025
35AQI
30th June 2025
42AQI
1st July 2025
43AQI
2nd July 2025
42AQI
3rd July 2025
52AQI
4th July 2025
36AQI
5th July 2025
47AQI
6th July 2025
54AQI
7th July 2025
52AQI
8th July 2025
37AQI
9th July 2025
42AQI
10th July 2025
44AQI
11th July 2025
53AQI
12th July 2025
51AQI
13th July 2025
50AQI
14th July 2025
49AQI
15th July 2025
55AQI
16th July 2025
58AQI
17th July 2025
48AQI
18th July 2025
25AQI
19th July 2025
28AQI
20th July 2025
31AQI
21st July 2025
43AQI
22nd July 2025
24AQI
23rd July 2025
23AQI
24th July 2025
34AQI
25th July 2025
41AQI
26th July 2025
51AQI
27th July 2025
50AQI
28th July 2025
53AQI
29th July 2025
52AQI

33AQI

34AQI

30AQI

26AQI

23AQI

47AQI

44AQI

No. of days

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

202534AQI

26
5
23
5
29
2
30
31
18
12
19
10
176
34

Highest AQI recorded in

June

47AQI

Lowest AQI recorded in

May

23AQI

202433AQI

25
6
24
5
29
2
30
28
3
26
2
29
2
22
9
24
6
26
5
30
29
2
322
42

Highest AQI recorded in

January

39AQI

Lowest AQI recorded in

November

24AQI

202342AQI

30
1
20
8
28
3
24
6
26
5
10
15
3
2
21
9
1
21
9
1
23
7
26
5
26
3
21
10
276
81
5
2

Highest AQI recorded in

June

72AQI

Lowest AQI recorded in

October

32AQI

202232AQI

28
3
20
1
28
3
23
1
30
1
28
2
22
1
1
26
1
28
3
26
3
1
31
291
19
1

Highest AQI recorded in

January

36AQI

Lowest AQI recorded in

September

27AQI

202134AQI

25
5
26
2
25
6
28
2
25
6
27
3
25
5
1
28
3
29
1
31
26
4
29
2
324
39
1

Highest AQI recorded in

July

41AQI

Lowest AQI recorded in

October

26AQI

202032AQI

12
21
16
2
27
3
27
4
31
27
3
31
27
2
1
26
5
245
19
1

Highest AQI recorded in

May

38AQI

Lowest AQI recorded in

October

25AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
42AQI
Least Polluted Year Recorded
2022(Avg.)
32AQI

Toronto West's annual 2025 AQI (34) shows an average percentage change of -1.9% (improved AQI) compared to previous years: 2020 (32), 2021 (34), 2022 (32), 2023 (42), 2024 (33).