San Juan Substation Sulfur Dioxide (SO2) Level
Shiprock, New Mexico, United States
2ppb
Last Updated: 05 Nov 2025, 09:28am (Local Time)
MapSan Juan Substation
What is the Current SO2 Level?
San Juan Substation
The current SO2 level at San Juan Substation is 2 ppb making it healthy and safe for everyone in the area.
The current SO2 level in San Juan Substation is 7.6x Below the recommended WHO guideline of 15.27 ppb.
AQI Graph
Historical Air Quality Data
San Juan Substation
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.Health Advice Based on Current SO2 Level In
San Juan Substation
As per the current SO2, turn off the air purifier.
Get an Air PurifierRecommendations by 
Why you should care about Sulfur Dioxide (SO2)?
Know More About SO2 Sensor
