Healdsburg Ozone (O₃) Level
California, United States
23ppb
Last Updated: 2026-08-16 15:31 (Local Time)

Healdsburg
What is the Current O₃ Level?
Healdsburg
The current O₃ level in Healdsburg based on the average air quality level across the city is 23 ppb, making it healthy and safe for everyone.
The current O₃ level in Healdsburg is 2.2x Below the recommended WHO guideline of 50.96 ppb.
AQI Graph
Historic Air Quality Graph of Ozone (O₃)
Healdsburg
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 Healdsburg
Frequently Asked Questions About Air Quality
1. What is the current O₃ level in Healdsburg?
1. What is the current O₃ level in Healdsburg?
The current real-time O₃ level in Healdsburg is 23ppb (Good). This was last updated 2026-08-16 15:31 (Local Time).
2. When was the best O₃ level in Healdsburg in the last 24 hours?
2. When was the best O₃ level in Healdsburg in the last 24 hours?
The best O₃ level was 15 ppb (Good) at 5:31 AM (Local Time) during the last 24 hours.
3. When was the worst O₃ level in Healdsburg in the last 24 hours?
3. When was the worst O₃ level in Healdsburg in the last 24 hours?
The worst O₃ level was 25 ppb (Good) at 6:01 PM, Aug 15, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of O₃ levels in Healdsburg during last 24 hours?
4. What is the current trend of O₃ levels in Healdsburg during last 24 hours?
The O₃ levels in Healdsburg have been fluctuating throughout the last 24 hours. The levels have increased by highest 25 ppb at 6:01 PM, Aug 15, 2026 (Local Time), lowest 15 ppb at 5:31 AM (Local Time).
5. What actions are recommended as per the current O₃ level in Healdsburg?
5. What actions are recommended as per the current O₃ level in Healdsburg?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.