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Live

Toronto Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Ontario

Last Updated: 2025-07-14 05:56:38 PM (Local Time)

location image
Live AQI
49
Air Quality is
Good
pm10 :  21 µg/m³
PM2.5 :  9 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Toronto
sunny

30 °C

Sunny
Humidity
Humidity38 %

Wind Speed
Wind Speed11 km/h

UV Index
UV Index5
Last Updated: 2025-07-14 05:56:38 PM (Local Time)
AQI LogoMap

Toronto

Major Air Pollutants

Toronto

PM2.5's Icon

Particulate Matter(PM2.5)

9µg/m³

PM10's Icon

Particulate Matter(PM10)

21µg/m³

CO's Icon

Carbon Monoxide(CO)

110ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

5ppb

O3's Icon

Ozone(O3)

31ppb

Trending in Canada

Why You Should Be Monitoring Air Quality During Monsoon — Not Just in Winter?

Why You Should Be Monitoring Air Quality During Monsoon — Not Just in Winter?

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Air Pollution and Lung Cancer: How Toxic Air is Mutating Your DNA?

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

City Climate Change Severity Analysis is NOW LIVE on AQI.in!📢

AQI Graph

Historical Air Quality Data

Toronto

24 Hours
AQI
Toronto
AQI
.
13-07-2025Time14-07-2025
TimeToronto
06 PM44
07 PM46
08 PM48
09 PM47
10 PM47
11 PM47
12 AM48
01 AM50
02 AM47
03 AM51
04 AM49
05 AM38
06 AM38
07 AM47
08 AM45
09 AM49
10 AM50
11 AM50
12 PM51
01 PM51
02 PM51
03 PM51
04 PM51
05 PM49
38
Min.at 5:11 AM on 14th Jul
51
Max.at 3:12 AM on 14th Jul

Want air quality data?

AQI Logo

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Toronto, Ontario, Canada

AQI
Year
.
AQI
AQI AQI
Mar 202030
Apr 202031
May 202035
Jun 202036
Jul 202032
Aug 202030
Sep 202028
Oct 202026
Nov 202036
Dec 202033
Jan 202136
Feb 202135
Mar 202136
Apr 202133
May 202136
Jun 202136
Jul 202142
Aug 202139
Sep 202126
Oct 202126
Nov 202132
Dec 202131
Jan 202235
Feb 202232
Mar 202234
Apr 202231
May 202235
Jun 202234
Jul 202234
Aug 202220
Sep 202228
Oct 202233
Nov 202237
Dec 202231
Jan 202337
Feb 202336
Mar 202335
Apr 202338
May 202336
Jun 202365
Jul 202346
Aug 202341
Sep 202337
Oct 202330
Nov 202331
Dec 202338
Jan 202435
Feb 202436
Mar 202431
Apr 202429
May 202432
Jun 202434
Jul 202438
Aug 202437
Sep 202433
Oct 202430
Nov 202424
Dec 202430
Jan 202533
Feb 202534
Mar 202530
Apr 202526
May 202524
Jun 202546
Jul 202545


Annual AQI Trends

2020
32AQI
2021
34AQI
6%
Rise
2022
33AQI
-3%
Fall
2023
39AQI
18%
Rise
2024
32AQI
-18%
Fall
2025
33AQI
3%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
1%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJune, 202365AQI

Least PollutedAugust, 202220AQI

* This data analysis is from year 2020 - 2025

Toronto's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Dufferin Street
Good
50
9
20
25
82
Toronto
Good
49
9
21
27
81
Toronto Downtown
Good
48
9
21
28
82
Toronto East
Good
49
9
20
26
82
Toronto East
Good
49
9
20
26
82
Toronto North
Good
50
9
20
25
82
Toronto West
Good
48
9
21
27
81
Toronto West
Good
48
9
21
27
81
Wellington Street West
Good
47
9
21
28
81

Canada's Metro Cities

Air Quality Index

Calgary City AQI

Calgary

17

temp.13°C

hum.88%
Edmonton City AQI

Edmonton

30

temp.18°C

hum.43%
Halifax City AQI

Halifax

22

temp.20°C

hum.80%
Montreal City AQI

Montreal

41

temp.28°C

hum.58%
Ottawa City AQI

Ottawa

48

temp.27°C

hum.51%
Toronto City AQI

Toronto

49

temp.30°C

hum.39%
Vancouver City AQI

Vancouver

18

temp.21°C

hum.62%
Windsor City AQI

Windsor

76

temp.29°C

hum.35%

Air Quality Calendar 2025

Toronto

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
29 Dec
-
30 Dec
-
31 Dec
-
1 Jan
21
2 Jan
20
3 Jan
22
4 Jan
26
5 Jan
24
6 Jan
20
7 Jan
20
8 Jan
21
9 Jan
23
10 Jan
41
11 Jan
65
12 Jan
51
13 Jan
40
14 Jan
25
15 Jan
26
16 Jan
56
17 Jan
43
18 Jan
27
19 Jan
23
20 Jan
23
21 Jan
28
22 Jan
33
23 Jan
46
24 Jan
36
25 Jan
52
26 Jan
32
27 Jan
26
28 Jan
25
29 Jan
27
30 Jan
27
31 Jan
63
1 Feb
25
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
26 Jan
32
27 Jan
26
28 Jan
25
29 Jan
27
30 Jan
27
31 Jan
63
1 Feb
25
2 Feb
28
3 Feb
57
4 Feb
22
5 Feb
25
6 Feb
38
7 Feb
26
8 Feb
39
9 Feb
30
10 Feb
28
11 Feb
45
12 Feb
26
13 Feb
26
14 Feb
26
15 Feb
33
16 Feb
26
17 Feb
25
18 Feb
24
19 Feb
22
20 Feb
21
21 Feb
25
22 Feb
48
23 Feb
61
24 Feb
61
25 Feb
66
26 Feb
30
27 Feb
37
28 Feb
25
1 Mar
28
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
23 Feb
61
24 Feb
61
25 Feb
66
26 Feb
30
27 Feb
37
28 Feb
25
1 Mar
28
2 Mar
28
3 Mar
33
4 Mar
43
5 Mar
43
6 Mar
24
7 Mar
30
8 Mar
32
9 Mar
29
10 Mar
37
11 Mar
37
12 Mar
25
13 Mar
31
14 Mar
60
15 Mar
58
16 Mar
34
17 Mar
19
18 Mar
30
19 Mar
36
20 Mar
28
21 Mar
22
22 Mar
20
23 Mar
24
24 Mar
25
25 Mar
19
26 Mar
21
27 Mar
28
28 Mar
21
29 Mar
20
30 Mar
27
31 Mar
29
1 Apr
18
2 Apr
18
3 Apr
32
4 Apr
22
5 Apr
26
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
30 Mar
27
31 Mar
29
1 Apr
18
2 Apr
18
3 Apr
32
4 Apr
22
5 Apr
26
6 Apr
18
7 Apr
22
8 Apr
16
9 Apr
23
10 Apr
36
11 Apr
31
12 Apr
32
13 Apr
36
14 Apr
31
15 Apr
21
16 Apr
15
17 Apr
22
18 Apr
37
19 Apr
44
20 Apr
18
21 Apr
21
22 Apr
18
23 Apr
20
24 Apr
38
25 Apr
37
26 Apr
31
27 Apr
15
28 Apr
29
29 Apr
36
30 Apr
20
1 May
27
2 May
31
3 May
17
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
27 Apr
15
28 Apr
29
29 Apr
36
30 Apr
20
1 May
27
2 May
31
3 May
17
4 May
18
5 May
20
6 May
21
7 May
29
8 May
18
9 May
22
10 May
26
11 May
24
12 May
28
13 May
36
14 May
24
15 May
27
16 May
33
17 May
34
18 May
21
19 May
15
20 May
16
21 May
17
22 May
14
23 May
16
24 May
16
25 May
17
26 May
23
27 May
32
28 May
25
29 May
28
30 May
33
31 May
27
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
18
2 Jun
22
3 Jun
41
4 Jun
58
5 Jun
49
6 Jun
61
7 Jun
63
8 Jun
76
9 Jun
66
10 Jun
51
11 Jun
59
12 Jun
65
13 Jun
41
14 Jun
32
15 Jun
39
16 Jun
40
17 Jun
39
18 Jun
42
19 Jun
38
20 Jun
36
21 Jun
49
22 Jun
53
23 Jun
55
24 Jun
56
25 Jun
46
26 Jun
42
27 Jun
39
28 Jun
35
29 Jun
36
30 Jun
41
1 Jul
42
2 Jul
40
3 Jul
50
4 Jul
35
5 Jul
48
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
29 Jun
36
30 Jun
41
1 Jul
42
2 Jul
40
3 Jul
50
4 Jul
35
5 Jul
48
6 Jul
53
7 Jul
49
8 Jul
35
9 Jul
41
10 Jul
44
11 Jul
52
12 Jul
49
13 Jul
46
14 Jul
-
15 Jul
-
16 Jul
-
17 Jul
-
18 Jul
-
19 Jul
-
20 Jul
-
21 Jul
-
22 Jul
-
23 Jul
-
24 Jul
-
25 Jul
-
26 Jul
-
27 Jul
-
28 Jul
-
29 Jul
-
30 Jul
-
31 Jul
-
1 Aug
-
2 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Toronto

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth


Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable


As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Toronto

  • asthma due to air pollution in TorontoAsthma
  • heart due to air pollution in TorontoHeart Issues
  • allergy due to air pollution in TorontoAllergies
  • sinus due to air pollution in TorontoSinus
  • flu due to air pollution in TorontoCold/Flu
  • copd due to air pollution in TorontoChronic (COPD)
asthma due to air pollution in Toronto

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

Most Polluted Cities 2025

Canada

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Kenora, Canada

147
Poor
10xabove Standard

2.

Searchmont, Canada

138
Poor
9xabove Standard

3.

Pickle Lake, Canada

101
Poor
7xabove Standard

4.

Sault Ste. Marie, Canada

88
Moderate
6xabove Standard

5.

Oakbank, Canada

87
Moderate
6xabove Standard

6.

Rosser, Canada

85
Moderate
6xabove Standard

7.

Thunder Bay, Canada

83
Moderate
6xabove Standard

8.

Winnipeg, Canada

81
Moderate
5xabove Standard

9.

Sarnia, Canada

81
Moderate
5xabove Standard

10.

Oliver Paipoonge, Canada

80
Moderate
5xabove Standard

Last Updated: 14 Jul 2025, 09:06 PM

AQI City Rankings

Air Quality Solutions For Toronto

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Toronto

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Toronto

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Toronto

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Toronto

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Toronto

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Toronto

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Toronto

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Toronto

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Toronto

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Toronto

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Toronto

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Toronto

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Toronto

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Toronto

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Toronto

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Toronto

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Toronto's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Toronto
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Toronto

Frequently Asked Questions About Air Quality

What is the current AQI level in Toronto?

The current real-time AQI level in Toronto is 49 (Good). This was last updated 2025-07-14 05:56:38 PM (Local Time).

When was the best AQI level in Toronto in the last 24 hours?

The best AQI level was 38 (Good) at 5:11 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Toronto in the last 24 hours?

The worst AQI level was 51 (Moderate) at 3:12 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Toronto during last 24 hours?

The AQI levels in Toronto have been fluctuating throughout the last 24 hours. The levels have increased by highest 51 at 3:12 AM (Local Time), lowest 38 at 5:11 AM (Local Time).

What actions are recommended as per the current AQI level in Toronto?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor