Maisonneuve Sulfur Dioxide (SO₂) Level
Longueuil, Quebec, Canada
100ppb
Last Updated: 2026-06-04 12:11:01 (Local Time)
MapMaisonneuve
What is the Current SO₂ Level?
Maisonneuve
The current SO₂ level at Maisonneuve is 100 ppb so everyone should stay cautious in the area.
The current SO₂ level in Maisonneuve is 6.5x Above the recommended WHO guideline of 15.27 ppb.
AQI Graph
Historic Air Quality Graph of Sulfur Dioxide (SO₂)
Maisonneuve
Download 2024 Annual Data
World Air Quality Report
Sulfur Dioxide (SO₂): Sulfur dioxide is the major component in acid rain as it easily dissolves in the water and forms sulfuric acid. And SO2 in acid rain can harm forests, crops, and aquatic ecosystems, change soil acidity, and deteriorate building materials and historical monuments.
Uncovering the Sources of Sulfur Dioxide (SO₂): Where Does It Come From?
Chemical manufacturing
The production processes that emit sulfur dioxide.
Industries
Emissions from manufacturing and industrial processes.
Power plants generation
Released during the burning of fossil fuels for electricity.
Petroleum Refineries
Emits from refining crude oil into various products.
Heavy-duty vehicles
Exhaust from trucks and buses using diesel fuel.Short-Term SO₂ Exposure Impacts
Nose irritation
Discomfort in the nasal passages.
Throat and lung irritation
Inflammation and pain in the throat.
Coughing and phlegmz
Persistent cough and mucus production.
Asthma attacks
Triggering of asthma symptoms or existing asthma.
Wheezing
High-pitched whistling sound when breathing.Why you should care about Sulfur Dioxide (SO₂)?
Know More About SO₂ Sensor
Air Quality FAQs
at Maisonneuve
Frequently Asked Questions About Air Quality
1. What is the current SO₂ level in Maisonneuve?
The current real-time SO₂ level in Maisonneuve is 100ppb (Poor). This was last updated 2026-06-04 12:11:01 (Local Time).
2. When was the best SO₂ level in Maisonneuve in the last 24 hours?
The best SO₂ level was 1 ppb (Good) at 3:31 PM, Jun 3, 2026 (Local Time) during the last 24 hours.
3. When was the worst SO₂ level in Maisonneuve in the last 24 hours?
The worst SO₂ level was 100 ppb (Poor) at 12:01 PM (Local Time) during the last 24 hours.
4. What is the current trend of SO₂ levels in Maisonneuve during last 24 hours?
The SO₂ levels in Maisonneuve have been fluctuating throughout the last 24 hours. The levels have increased by highest 100 ppb at 12:01 PM (Local Time), lowest 1 ppb at 3:31 PM, Jun 3, 2026 (Local Time).
5. What actions are recommended as per the current SO₂ level in Maisonneuve?
Current SO₂ levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.
