Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec Air Pollution:
Real-time Air Quality Index (AQI)

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Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec AQI: Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec Real-time Air Quality Index (AQI).
9
Good
Updated on Sunday 18:00
temperature: 19°C
currentpast 2 daysminmax
PM2.5 AQI
9Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada PM25 (fine particulate matter) measured by Environnement au Québec. Values are converted to the US EPA AQI standard.762
O3 AQI
11Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada O3 (ozone) measured by Environnement au Québec. Values are converted to the US EPA AQI standard.641
SO2 AQI
1Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada SO2 (sulfur dioxide) measured by Environnement au Québec. Values are converted to the US EPA AQI standard.064
Weather Information
Temp.
19Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).1230
Pressure
1017Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10101022
Humidity
57Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).4095
Wind
1Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).08
MarkerMarker
map © OpenStreetMap contributors

Air Quality Forecast
SUN 17
20°C
10°C
MON 18
21°C
7°C
TUE 19
22°C
11°C
WED 20
15°C
11°C
THU 21
24°C
9°C
FRI 22
26°C
12°C
PM2.5
Sunday 17Monday 18Tuesday 19Wednesday 20Thursday 21Friday 22
hour
1471013161922147101316192214710131619221471013161922147101316192214710131619
Wind Speed (m/s)
54763155555532421243322343544333444334322221234















































Temp.
20°17°16°14°12°19°15°11°9°8°12°17°20°21°15°12°12°12°14°19°21°22°18°17°15°14°13°13°13°14°13°11°10°10°13°20°23°23°17°15°13°12°16°23°26°26°21°
relative humidity
6487949591615264666554383232525959616347383750566870769396939495949587554444667582856548353451
barometric pressure
10111011101410141016101610171020102210231026102610251023102410251025102410251023102210201020101910191018101910201019101910191019101910191020101910171015101510161016101510171016101410131014
total precipitation
NaN0.4NaN5.9NaN0.10.10.10.41.82.40.10.1
UVI:
4


5:54 ~ 20:01
UVI:
7


5:55 ~ 19:59
UVI:
4


5:57 ~ 19:58
UVI:
2


5:58 ~ 19:56
UVI:
6


5:59 ~ 19:54
UVI:
1


6:00 ~ 19:53
Forecast plotted using timezone -04:00
Latest forecast updates:
Wind: 2 hours ago [Aug 17, 2025 10:45 PM]
fine particulate matter: 9 hours ago [Aug 17, 2025 2:55 PM]
click to view the detailed forecast

Air Quality Data provided by: the Environnement au Québec (mddep.gouv.qc.ca)

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Share: “Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada Air Quality is Good - on Sunday, Aug 17th 2025, 18:00 pm”
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News (Jul 2014): The Air Quality data for Quebec is converted from the IQA standard to the US-EPA standard (scale 0-500). Check this article for more information

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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir 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.
101-150Unhealthy for Sensitive GroupsMembers 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.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive 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
201-300Very UnhealthyHealth 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+HazardousHealth alert: everyone may experience more serious health effectsEveryone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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