Leshan Sulfur Dioxide (SO2) Level
Sichuan, China
54ppb
Last Updated: 2026-02-10 23:21:01 (Local Time)
MapLeshan
What is the Current SO2 Level?
Leshan
The current SO2 level in Leshan based on the average air quality level across the city is 54 ppb making it acceptable, but sensitive individuals should be cautious.
The current SO2 level in Leshan is 3.5x Above the recommended WHO guideline of 15.27 ppb.
AQI Graph
Historical Air Quality Data
Leshan
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 Leshan
Frequently Asked Questions About Air Quality
What is the current SO2 level in Leshan?
The current real-time SO2 level in Leshan is 54 ppb (Moderate). This was last updated 2026-02-10 23:21:01 (Local Time).
When was the best SO2 level in Leshan in the last 24 hours?
The best SO2 level was 1 ppb (Good) at 12:01 PM (Local Time) during the last 24 hours.
When was the worst SO2 level in Leshan in the last 24 hours?
The worst SO2 level was 54 ppb (Moderate) at 11:01 PM (Local Time) during the last 24 hours.
What is the current trend of SO2 levels in Leshan during last 24 hours?
The SO2 levels in Leshan have been fluctuating throughout the last 24 hours. The levels have increased by highest 54 ppb at 11:01 PM (Local Time), lowest 1 ppb at 12:01 PM (Local Time).
What actions are recommended as per the current SO2 level in Leshan?
Current SO2 levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.
