Open Air Quality Data

Indicative air monitoring equipment co-located with reference instruments
Article
April 7, 2026
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OpenAQ’s 2025 Year in Data report shows rapid expansion of global air quality monitoring, improving access to data, and supporting efforts to address pollution worldwide.

Clarity Dashboard
Clarity Calibration Models
Air Quality Funding Opportunities
Black Carbon
Mining and Metals
Construction
Clarity Global Partner Program
Air Quality Measurement Series
US EPA
Climate Change
NSIM (Non-regulatory Supplemental and Informational Monitoring)
Hybrid Networks
Communicating Data
Siting & Deployment
Calibration & QA/QC
Open Air Quality Data
Ozone
Air Quality Monitoring 2.0
Wildfire
Nitrogen Dioxide
Environmental Justice
Particulate Matter
Community Groups
Air Quality
Announcement
Wildfires and COVID-19: Preparing for Two Crises at Once
OpenAQ and Clarity announced their partnership to address a gap in global air quality data availability by adding data from participating Clarity networks to OpenAQ's platform.

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