Toronto Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Toronto
Last Updated: 2026-09-29 02:51 (Local Time)
17 °C
Overcast
Currently, Toronto ranks 210th among the cities with the highest AQI levels in the world.
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Toronto
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Toronto
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Toronto
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
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Most Polluted Cities 2026
Canada
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Gatineau, Quebec
Moderate
2xabove Standard
2.
Toronto, Ontario
Moderate
2xabove Standard
3.
Newmarket, Ontario
Moderate
2xabove Standard
4.
Peterborough, Ontario
Moderate
2xabove Standard
5.
Oshawa, Ontario
Moderate
2xabove Standard
6.
Ottawa, Ontario
Moderate
1xabove Standard
7.
Brampton, Ontario
Moderate
1xabove Standard
8.
Parry Sound, Ontario
Moderate
1xabove Standard
9.
Oakville, Ontario
Moderate
1xabove Standard
10.
Belleville, Ontario
Moderate
1xabove Standard
Last Updated: 29 Sept 2026, 06:57 AM
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at Toronto
Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in Toronto?
1. What is the current AQI (US) level in Toronto?
The current real-time AQI (US) level in Toronto is 89 (Moderate). This was last updated 2026-09-29 02:51 (Local Time).
2. When was the best AQI (US) level in Toronto in the last 24 hours?
2. When was the best AQI (US) level in Toronto in the last 24 hours?
The best AQI (US) level was 21 (Good) at 3:31 PM, Sep 28, 2026 (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in Toronto in the last 24 hours?
3. When was the worst AQI (US) level in Toronto in the last 24 hours?
The worst AQI (US) level was 39 (Good) at 2:31 PM, Sep 28, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in Toronto during last 24 hours?
4. 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 39 at 2:31 PM, Sep 28, 2026 (Local Time), lowest 21 at 3:31 PM, Sep 28, 2026 (Local Time).
5. What actions are recommended as per the current AQI (US) level in Toronto?
5. 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
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