Montreal Air Pollution: Real-time Air Quality Index (AQI)


Montreal AQI: Montreal Real-time Air Quality Index (AQI).
21
Good
Updated on Tuesday 10:00
temperature: -11°C
currentpast 2 daysminmax
PM2.5 AQI
21Montreal PM25 (fine particulate matter)  measured by Ville de Montreal - Réseau de surveillance de la qualité de l air.
Values are converted to the US EPA AQI standard.1252
O3 AQI
18Montreal O3 (ozone)  measured by Ville de Montreal - Réseau de surveillance de la qualité de l air.
Values are converted to the US EPA AQI standard.1224
NO2 AQI
11Montreal NO2 (nitrogen dioxide)  measured by Ville de Montreal - Réseau de surveillance de la qualité de l air.
Values are converted to the US EPA AQI standard.433
SO2 AQI
5Montreal SO2 (sulfur dioxide)  measured by Ville de Montreal - Réseau de surveillance de la qualité de l air.
Values are converted to the US EPA AQI standard.530
CO AQI
-Montreal CO (carbon monoxide)  measured by Ville de Montreal - Réseau de surveillance de la qualité de l air.
Values are converted to the US EPA AQI standard.66
Temp.
-11Montreal  t (temp.)  measured by :
 • Citizen Weather Observer Program (CWOP/APRS)
 • Weather Underground.-15-7
Dew
-Montreal  d (dew)  measured by :
 • Citizen Weather Observer Program (CWOP/APRS)
 • Weather Underground.19
Pressure
1031Montreal  p (pressure:)  measured by :
 • Citizen Weather Observer Program (CWOP/APRS)
 • Weather Underground.10171031
Humidity
61Montreal  h (humidity)  measured by :
 • Citizen Weather Observer Program (CWOP/APRS)
 • Weather Underground.5082
Wind
1Montreal  w (wind)  measured by :
 • Citizen Weather Observer Program (CWOP/APRS)
 • Weather Underground.02
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map © OpenStreetMap contributors

Air Quality Forecast
TUE 21
-12°C
-19°C
WED 22
-11°C
-22°C
THU 23
-5°C
-13°C
FRI 24
-9°C
-18°C
SAT 25
-4°C
-18°C
PM2.5
O3
Tuesday 21Wednesday 22Thursday 23Friday 24Saturday 25
hour
03691215182103691215182103691215182103691215182103691215
Wind Speed (m/s)
23555324433453343454566543356553333346






































Temp.
-16°-14°-15°-14°-12°-13°-18°-18°-20°-21°-22°-15°-11°-11°-17°-14°-12°-11°-10°-9°-6°-5°-6°-7°-12°-10°-12°-12°-10°-10°-14°-17°-18°-18°-18°-11°-5°-4°
relative humidity
93959186728394979699100887582928890969586808284959997948478849196989999908678
barometric pressure
10261027102810291028102710291029102910301031103110311030103010281026102510231021101810161016101610161017101910221022102310251025102510251025102410211018
total precipitation
NaN0.4NaN0.10.10.10.31.10.50.60.10.10.10.10.10.10.1
UVI:
1


7:28 ~ 16:44
UVI:
2


7:27 ~ 16:45
UVI:
2


7:26 ~ 16:47
UVI:
2


7:25 ~ 16:48
UVI:
2


7:24 ~ 16:50
Forecast plotted using timezone -05:00

Air Quality Data provided by: Ville de Montreal - Réseau de surveillance de la qualité de l'air (ville.montreal.qc.ca) and the Weather Underground (wunderground.com)

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Cloud API
This air quality monitoring station real-time data can be programmatically accessed using this API url: (For more information, check the API page:aqicn.org/api/ )

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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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Temperature unit:
Celcius