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South Shore Of Montreal Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Longueuil

Last Updated: 2026-08-17 14:11:01 (Local Time)

location image
Live AQI
25AQI (US)
Air Quality is
Good
PM2.5 :  6 µg/m³
pm10 :  26 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in South Shore Of Montreal
patchy rain possible

24 °C

Patchy rain nearby
Humidity
Humidity84 %
Wind Speed
Wind Speed6.5 km/h
UV Index
UV Index2.8
Last Updated: 2026-08-17 14:11:01 (Local Time)

Presently, Longueuil ranks for having the good air quality among cities worldwide.

Map

South Shore Of Montreal

Major Air Pollutants

South Shore Of Montreal

PM₂.₅'s Icon

Particulate Matter(PM₂.₅)

6µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

26µg/m³

CO's Icon

Carbon Monoxide(CO)

270ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

9ppb

O₃'s Icon

Ozone(O₃)

18ppb

AQI Graph

Historical Air Quality Data

South Shore Of Montreal

24 Hours
AQI (US)
South Shore Of Montreal
AQI (US)
.
16-08-2026Time17-08-2026
23
Min. AQI (US)8:31pm
52
Max. AQI (US)3:31pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes

South Shore Of Montreal, Longueuil, Quebec, Canada

AQI (US)

Canada's Metro Cities

Air Quality Index

Calgary City AQI

Calgary

58

temp.19°C
hum.68%
Edmonton City AQI

Edmonton

42

temp.15°C
hum.68%
Halifax City AQI

Halifax

28

temp.24°C
hum.48%
Montreal City AQI

Montreal

26

temp.23°C
hum.88%
Toronto City AQI

Toronto

25

temp.30°C
hum.47%
Vancouver City AQI

Vancouver

48

temp.18°C
hum.82%
Windsor City AQI

Windsor

32

temp.29°C
hum.49%
Winnipeg City AQI

Winnipeg

38

temp.23°C
hum.56%

Air Quality Calendar 2026

South Shore Of Montreal

2026
AQI (US)
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

South Shore Of Montreal

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI (US)

Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable

Prevent Health Problems: Understand Your Risks

South Shore Of Montreal

asthma due to air pollution in South Shore Of MontrealAsthma
heart due to air pollution in South Shore Of MontrealHeart Issues
allergy due to air pollution in South Shore Of MontrealAllergies
sinus due to air pollution in South Shore Of MontrealSinus
flu due to air pollution in South Shore Of MontrealCold/Flu
copd due to air pollution in South Shore Of MontrealChronic (COPD)
Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2026

Canada

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2026
World's Most PollutedCity Rankings (2025)
World's Most PollutedCountry Rankings(2025)
RankCityAQI Status

Standard Value

Follow

1.

Edson, Alberta

116

Poor

3xabove Standard

2.

Hinton, Alberta

110

Poor

3xabove Standard

3.

Vernon, British Columbia

85

Moderate

2xabove Standard

4.

Kamloops, British Columbia

80

Moderate

2xabove Standard

5.

Hope, British Columbia

69

Moderate

1xabove Standard

6.

Wood Buffalo, Alberta

68

Moderate

1xabove Standard

7.

Fort McMurray, Alberta

67

Moderate

1xabove Standard

8.

Fort McKay, Alberta

66

Moderate

1xabove Standard

9.

Yellowknife, Northwest Territories

66

Moderate

1xabove Standard

10.

Chilliwack, British Columbia

63

Moderate

1xabove Standard

Last Updated: 17 Aug 2026, 06:18 PM

AQI City Rankings

Air Quality Solutions For South Shore Of Montreal

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Prana Air offers the solutions of air quality monitoring and clean air machine for South Shore Of Montreal

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

South Shore Of Montreal's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets

Air Quality FAQs

at South Shore Of Montreal

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in South Shore Of Montreal?

The current real-time AQI (US) level in South Shore Of Montreal is 25 (Good) due to recent rainfall by 0.03mm/hr. This was last updated 2026-08-17 14:11:01 (Local Time).

2. When was the best AQI (US) level in South Shore Of Montreal in the last 24 hours?

The best AQI (US) level was 23 (Good) at 8:31 PM, Aug 16, 2026 (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in South Shore Of Montreal in the last 24 hours?

The worst AQI (US) level was 52 (Moderate) at 3:31 PM, Aug 16, 2026 (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in South Shore Of Montreal during last 24 hours?

The AQI (US) levels in South Shore Of Montreal have been fluctuating throughout the last 24 hours. The levels have increased by highest 52 at 3:31 PM, Aug 16, 2026 (Local Time), lowest 23 at 8:31 PM, Aug 16, 2026 (Local Time).

5. What actions are recommended as per the current AQI (US) level in South Shore Of Montreal?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.

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Prana Sense

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Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

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