Toronto Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Toronto
Last Updated: 2026-03-09 04:41:02 (Local Time)

8 °C
ClearCurrently, Toronto ranks 1376th among the cities with the highest AQI levels in the world.
Toronto
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Toronto
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AQI (US) Trends - Annual Air Quality Changes
Toronto, Ontario, Canada
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Toronto
Health Advice For People Living In
Toronto
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI (US)
- Air PurifierTurn On
- Car FilterMust
- N95 MaskMust
- Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.
Get an Air PurifierPrevent Health Problems: Understand Your Risks
Toronto
Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)
Mild Chances of Asthma
Asthma
Risk of Asthma symptoms is Mild when AQI is Moderate (50-150)
Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.
Do's :
Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.
Don'ts :
Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.
Most Polluted Cities 2026
Canada
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Edson, Alberta
2.
Hinton, Alberta
3.
Peterborough, Ontario
4.
Newmarket, Ontario
5.
Oshawa, Ontario
6.
Sherbrooke, Quebec
7.
Sault Ste. Marie, Ontario
8.
Edmundston, New Brunswick
9.
Prince Albert, Saskatchewan
10.
Rouyn Noranda, Quebec
Last Updated: 09 Mar 2026, 08:49 AM
AQI City RankingsAir Quality Solutions For Toronto
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Toronto's AQI Data Analytics Solutions
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Air Quality FAQs
at Toronto
Frequently Asked Questions About Air Quality
What is the current AQI (US) level in Toronto?
The current real-time AQI (US) level in Toronto is 52 (Moderate). This was last updated 2026-03-09 04:41:02 (Local Time).
When was the best AQI (US) level in Toronto in the last 24 hours?
The best AQI (US) level was 20 (Good) at 6:01 AM, Mar 8, 2026 (Local Time) during the last 24 hours.
When was the worst AQI (US) level in Toronto in the last 24 hours?
The worst AQI (US) level was 75 (Moderate) at 4:31 PM, Mar 8, 2026 (Local Time) during the last 24 hours.
What is the current trend of AQI (US) levels in Toronto during last 24 hours?
The AQI (US) levels in Toronto have been fluctuating throughout the last 24 hours. The levels have increased by highest 75 at 4:31 PM, Mar 8, 2026 (Local Time), lowest 20 at 6:01 AM, Mar 8, 2026 (Local Time).
What actions are recommended as per the current AQI (US) level in Toronto?
Current AQI (US) levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.
Recent AQI Blogs
Read the latest news
Here are some latest blogs that you can go through to find out more air pollution.




































