WWAI

Montreal Hourly Weather

Canada · Thursday, March 12, 2026

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Real-time Air Quality Index (AQI)

Live
waqi
Montreal, Canada
Last Updated: 3/12/2026, 11:07:50 AM
19AQI (US)
Air Quality is
Good
PM2.5
19ug/m3
PM10
1.2ug/m3
Dominant: PM2.5
Station: Brossard - secteur du parc Sorbonne, Quebec, Canada
19
0-50
51-100
101-150
151-200
201-300
301-500+
Major Air Pollutants
PM2.5
19ug/m3
PM10
1.2ug/m3
O3
14.2641ug/m3
NO2
1.4ug/m3
SO2
1.8ug/m3
CO
193ug/m3
Health Advice
Air quality is satisfactory. Enjoy outdoor activities!
Data updated 11:07:50 AM · Source: waqi
Hourly Air Pollutants
µg/m³
Health Impact & Advice
🚬
0.9cigarettes / day
Breathing this air equals smoking 0.9 cigarettes daily
Weekly: 6 cigsMonthly: 26 cigs
Source: Berkeley Earth · Based on PM2.5 = 19 ug/m3
Protective MeasuresAQI 19
🏠
Air Purifier
Not Needed
😷
N95 Mask
Not Needed
🏡
Stay Indoor
Not Needed
🪟
Windows Closed
Not Needed
🏃
Outdoor Exercise
Not Needed
🚗
Car Cabin Filter
Not Needed
Health Risk Assessment
🫁
Asthma
Low
Low risk for most people
❤️
Heart Issues
Low
Minimal risk
🤧
Allergies
Low
Low allergy aggravation risk
😮‍💨
Respiratory
Low
Normal breathing expected
👁️
Eye Irritation
Low
No issues expected
👶
Children & Elderly
Safe
Normal activities ok

Montreal Weather & Air Quality Overview

Montreal is a city in Canada, located in the Northern Hemisphere at coordinates 45.50°N, 73.57°W. With a population of approximately 4.3 million, it is one of the notable urban centers in Americas. Montreal experiences a temperate climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for Montreal, Canada.

The current Air Quality Index (AQI) in Montreal is 19, rated as Good. The dominant pollutant is PM2.5.

Hourly Weather in Montreal

Hour-by-hour conditions for Montreal help you plan your day. Temperature, rain chance, and wind for Montreal, Canada are updated regularly.

  • Current AQI in Montreal: 19 (Good)

Weather in Montreal and the Montreal forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.

Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.

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