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PM 2.5 and Chemical Speciation -
PM 2.5 Data
PM 2.5 and Chemical Speciation Navigation
- PM 2.5 and Chemical Speciation Home
- Continuous Monitoring
- Data Management and AQS Reporting
- Federal Reference Method (FRM)
- Regulations (Federal Register)
- Implementation
- National Monitoring Procurement
- Network Design
- PM 2.5 Data
- Policy and Guidance
- Quality Assurance
- Speciation
- Meetings, Conferences, Workshops
- Visibility (IMPROVE)
- Wildfire/Smoke Monitoring
The "AQS Query Interim Data Base" page is the first page of the PM2.5 summary data base. The user needs to click on the "Air Quality Tables" and then "Annual Summary." The query page will appear and the user can use the drop-down boxes to build the selection for the data. The data is available as PM10 (local conditions) and PM2.5 data.