San Juan Substation Ozone (O₃) Level
Shiprock, New Mexico, United States
43ppb
Last Updated: 2026-07-13 10:01 (Local Time)
MapSan Juan Substation
What is the Current O₃ Level?
San Juan Substation
The current O₃ level at San Juan Substation is 43 ppb making it healthy and safe for everyone in the area.
The current O₃ level in San Juan Substation is 1.1x Below the recommended WHO guideline of 50.96 ppb.
AQI Graph
Historic Air Quality Graph of Ozone (O₃)
San Juan Substation
Do you know that Ozone's total mass is 3 billion metric tons in the atmosphere? It looks like a lot but has only 0.00006% of the atmosphere. Besides, Ozone's peak concentration is 32 kilometres above the Earth's surface.
Uncovering the Sources of Ozone (O₃): Where Does It Come From?
Refineries
Industrial processes emit substances.
Power plants
Emissions from burning fossil fuels.
Paints evaporations
Vocs from paints react with sunlight.
Transportation
Diesel operated vehicles reacts and form ozone.Short-Term O₃ Exposure Impacts
Chest pain
Discomfort or pain in the chest due to respiratory stress.
Breathing shortness
Difficulty in breathing or feeling of breathlessness.
Respiratory irritation
Inflammation and irritation of the respiratory tract.
Wheezing and coughing
Whistling sound and persistent cough.
Trigger asthma attacks
Aggravation of asthma symptoms.Why you should care about Ozone (O₃)?
Know More About O₃ Sensor
Air Quality FAQs
at San Juan Substation
Frequently Asked Questions About Air Quality
1. What is the current O₃ level in San Juan Substation?
1. What is the current O₃ level in San Juan Substation?
The current real-time O₃ level in San Juan Substation is 43ppb (Good). This was last updated 2026-07-13 10:01 (Local Time).
2. When was the best O₃ level in San Juan Substation in the last 24 hours?
2. When was the best O₃ level in San Juan Substation in the last 24 hours?
The best O₃ level was 40 ppb (Good) at 10:31 AM, Jul 12, 2026 (Local Time) during the last 24 hours.
3. When was the worst O₃ level in San Juan Substation in the last 24 hours?
3. When was the worst O₃ level in San Juan Substation in the last 24 hours?
The worst O₃ level was 62 ppb (Moderate) at 5:01 PM, Jul 12, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of O₃ levels in San Juan Substation during last 24 hours?
4. What is the current trend of O₃ levels in San Juan Substation during last 24 hours?
The O₃ levels in San Juan Substation have been fluctuating throughout the last 24 hours. The levels have increased by highest 62 ppb at 5:01 PM, Jul 12, 2026 (Local Time), lowest 40 ppb at 10:31 AM, Jul 12, 2026 (Local Time).
5. What actions are recommended as per the current O₃ level in San Juan Substation?
5. What actions are recommended as per the current O₃ level in San Juan Substation?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
