London Ontario Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in London
Last Updated: 06 Aug 2025, 09:24am (Local Time)
19 °C
Mist
MapLondon Ontario
Trending in Canada
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Historical Air Quality Data
London Ontario
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AQI Trends - Annual Air Quality Changes
London Ontario, London, Ontario, Canada
Annual AQI Trends
Most & Least Polluted Months
* This data analysis is from year 2020 - 2025
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Air Quality Calendar 2025
London Ontario
Health Advice For People Living In
London Ontario
1.5Cigarettes per day
Breathing the air in this location is as harmful as smoking 1.5 cigarettes a day.
Source:
Berkeley Earth
Solutions for Current AQI
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
London Ontario
Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)
Mild Chances of Asthma
Asthma
Risk of Asthma symptoms is Mild when AQI is Poor (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 2025
Canada
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Grand Bend, Canada
2.
Bluewater, Canada
3.
Brantford, Canada
4.
London, Canada
5.
St Thomas, Canada
6.
Central Elgin, Canada
7.
Sarnia, Canada
8.
Tiverton, Canada
9.
Kincardine, Canada
10.
Kitchener, Canada
Last Updated: 06 Aug 2025, 12:32 PM
AQI City RankingsAir Quality Solutions For London Ontario
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Air Quality FAQs
at London Ontario
Frequently Asked Questions About Air Quality
What is the current AQI level in London Ontario?
The current real-time AQI level in London Ontario is 112 (Poor). This was last updated 06 Aug 2025, 09:24am (Local Time).
When was the best AQI level in London Ontario in the last 24 hours?
The best AQI level was 83 (Moderate) at 11:09 PM, Aug 5, 2025 (Local Time) during the last 24 hours.
When was the worst AQI level in London Ontario in the last 24 hours?
The worst AQI level was 114 (Poor) at 9:09 AM (Local Time) during the last 24 hours.
What is the current trend of AQI levels in London Ontario during last 24 hours?
The AQI levels in London Ontario have been fluctuating throughout the last 24 hours. The levels have increased by highest 114 at 9:09 AM (Local Time), lowest 83 at 11:09 PM, Aug 5, 2025 (Local Time).
What actions are recommended as per the current AQI level in London Ontario?
Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.
Recent AQI Blogs
Read the latest news
Here are some latest blogs that you can go through to find out more air pollution.
