Thunder Bay Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Thunder Bay
Last Updated: 21 Aug 2025, 03:24am (Local Time)
14 °C
Fog
MapThunder Bay
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AQI Graph
Historical Air Quality Data
Thunder Bay
Download 2024 Annual Data
World Air Quality Report
AQI Trends - Annual Air Quality Changes
Thunder Bay, Thunder Bay, Ontario, Canada
Annual AQI Trends
Most & Least Polluted Months
* This data analysis is from year 2020 - 2025
Canada's Metro Cities
Air Quality Index
Air Quality Calendar 2025
Thunder Bay
Health Advice For People Living In
Thunder Bay
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI
Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable
As per the current AQI, turn off the air purifier.
Get an Air PurifierPrevent Health Problems: Understand Your Risks
Thunder Bay
Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)
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.
Standard Value
1.
Regina, Canada
2.
Mount Pearl Park, Canada
3.
Weyburn, Canada
4.
Bratts Lake No 129, Canada
5.
Estevan, Canada
6.
Marystown, Canada
7.
Baie Saint Paul, Canada
8.
Yorkton, Canada
9.
Cranbrook, Canada
10.
Saskatoon, Canada
Last Updated: 21 Aug 2025, 06:30 AM
AQI City RankingsAir Quality Solutions For Thunder Bay
Explore the solutions of air quality monitoring & clean air.
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Thunder Bay's AQI Data Analytics Solutions
Air quality data monitoring platforms
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Your area’s real-time data with detailed parameters.
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Air Quality FAQs
at Thunder Bay
Frequently Asked Questions About Air Quality
What is the current AQI level in Thunder Bay?
The current real-time AQI level in Thunder Bay is 24 (Good). This was last updated 21 Aug 2025, 03:24am (Local Time).
When was the best AQI level in Thunder Bay in the last 24 hours?
The best AQI level was 17 (Good) at 2:09 PM, Aug 20, 2025 (Local Time) during the last 24 hours.
When was the worst AQI level in Thunder Bay in the last 24 hours?
The worst AQI level was 24 (Good) at 5:09 AM, Aug 20, 2025 (Local Time) during the last 24 hours.
What is the current trend of AQI levels in Thunder Bay during last 24 hours?
The AQI levels in Thunder Bay have been fluctuating throughout the last 24 hours. The levels have increased by highest 24 at 5:09 AM, Aug 20, 2025 (Local Time), lowest 17 at 2:09 PM, Aug 20, 2025 (Local Time).
What actions are recommended as per the current AQI level in Thunder Bay?
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.
