Science & Technology

Frequent Questions About Air Sensors

This page provides answers to common questions about the use of air sensor technology to measure air quality conditions.

Air Sensor Collocation Instruction Guide

The collocation instruction guide provides information to air sensor users on how to evaluate their performance and accuracy in measuring air quality that recommends locating the sensors next to regulatory-grade reference monitorings.

Instruction Guide and Macro Analysis Tool: Evaluating Air Sensors by Collocation with Federal Reference Monitors

EPA has created an instruction guide on conducting a successful collocation evaluation of low-cost air sensors and macro analysis tool for analyzing collected data.

Household Energy and Clean Cookstove Research

EPA is an international leader in clean cookstove research and provides independent scientific data on cookstove emissions and energy efficiency to support the development of cleaner sustainable cooking technologies.

Air Quality and Climate Change Research

EPA is conducting research to understand the relationships between climate change and air quality by advancing the understanding of temperature changs on ozone and particulate matter concentrations and changes in pollen and allergic disease patterns.

EPA Order 1000.19: Policy and Procedures for Managing Dual Use Research of Concern

This Order establishes a systematic approach for EPA researchers to identify and mitigate when and how the risks that knowledge, information, products, or technologies produced by certain life sciences research may be misapplied in significant ways.

Nitrogen Dioxide NAAQS Review - Analyses and Data Sets

Analyses and data sets for the NO2 NAAQS review

CHP Screening Tool

Download the CHP Emissions Calculator, a tool that calculates the difference between the anticipated carbon dioxide, methane, nitrous oxide, sulfur dioxide, and nitrogen oxide emissions from a CHP system to those of a separate heat and power system.

CHP Technologies

Learn about CHP technologies, including reciprocating engines, combustion turbines, steam turbines, microturbines, fuel cells, and waste heat to power. Access the Catalog of CHP Technologies and the Biomass CHP Catalog of Technologies.

Progress Cleaning the Air and Improving People's Health

Actions to implement the Clean Air Act have achieved dramatic reductions in air pollution, preventing hundreds of thousands of cases of serious health effects each year.