1. North America
  2. Canada
  3. Québec
  4. Champlain
  5. Longueuil

Longueuil

Champlain, Québec

2026-07-18 19:00
AQI (US)
Unhealthy for Sensitive Groups
Pollutants
PM2.5
μg/m³
39.5
O3
μg/m³
72.9
Weather
  • ℃
  • ℉
21℃
78%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
Places included
Bourassa
AQI 111
Saint-Hubert
AQI 111
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Longueuil
AQI 111
Saint-Lambert
AQI 111
Montreal
AQI 79
Boucherville
AQI 73
Westmount
AQI 83
Brossard
AQI 132
Montréal-Est
AQI 73
Mont-Royal
AQI 83
St-Bruno-de-Montarville
AQI 111
La Prairie
AQI 132
Montreal West
AQI 83