What is the Current SO2 Level?
San Simon
The current SO2 level in San Simon based on the average air quality level across the city is 23 ppb, making it healthy and safe for everyone.
The current SO2 level in San Simon is 1.51x Above the recommended WHO guideline of 15.27 ppb.
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AQI Graph
Historical Air Quality Data
San Simon
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 Simon
Air PurifierTurn Off
Car FilterAdvisable
N95 MaskAdvisable
Stay IndoorAdvisable
As per the current SO2, turn off the air purifier.
Recommendations by 
Why you should care about Sulfur Dioxide (SO2)?
Air Quality FAQs
at San Simon
Frequently Asked Questions About Air Quality
What is the current SO2 level in San Simon?
The current real-time SO2 level in San Simon is 23 ppb (Good). This was last updated 2025-06-01 10:26:16 PM (Local Time).
When was the best SO2 level in San Simon in the last 24 hours?
The best SO2 level was 11 ppb (Good) at 3:11 PM (Local Time) during the last 24 hours.
When was the worst SO2 level in San Simon in the last 24 hours?
The worst SO2 level was 23 ppb (Good) at 10:11 PM (Local Time) during the last 24 hours.
What is the current trend of SO2 levels in San Simon during last 24 hours?
The SO2 levels in San Simon have been fluctuating throughout the last 24 hours. The levels have increased by highest 23 ppb at 10:11 PM (Local Time), lowest 11 ppb at 3:11 PM (Local Time).
What actions are recommended as per the current SO2 level in San Simon?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.