Air Quality Forecast
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Air Quality Data provided by Air Quality Ontario - the Ontario Ministry of the Environment and Climate Change (airqualityontario.com)
Sarnia, Ontario AQI: Sarnia, Ontario Real-time Air Quality Index (AQI). | ![]() |
34 | Good Updated on Tuesday 11:00 Temp.: -5°C |
Current | Past 48 hours data | Min | Max | |
PM2.5 AQI | 34 | 9 | 65 | |
O3 AQI | 25 | 1 | 34 | |
NO2 AQI | 9 | 2 | 42 | |
SO2 AQI | 1 | 0 | 2 | |
Temp. | -5 | -15 | -3 | |
Pressure | 1037 | 1010 | 1037 | |
Humidity | 65 | 65 | 92 | |
Wind | 3 | 0 | 7 |
Air Quality Data provided by Air Quality Ontario - the Ontario Ministry of the Environment and Climate Change (airqualityontario.com)
or let us find your nearest air quality monitoring station |
AQI | Air Pollution Level | Health Implications | Cautionary Statement (for PM2.5) |
0 - 50 | Good | Air quality is considered satisfactory, and air pollution poses little or no risk | None |
51 -100 | Moderate | Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. | Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
101-150 | Unhealthy for Sensitive Groups | Members of sensitive groups may experience health effects. The general public is not likely to be affected. | Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. |
151-200 | Unhealthy | Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects | Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion |
201-300 | Very Unhealthy | Health warnings of emergency conditions. The entire population is more likely to be affected. | Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. |
300+ | Hazardous | Health alert: everyone may experience more serious health effects | Everyone should avoid all outdoor exertion |
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