Regulations & Standards
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May 14, 2025
55 years of the Clean Air Act: What have we accomplished, and what should come next? The Clean Air Act is a landmark U.S. law that has enabled the Environmental Protection Agency to dramatically improve air quality, reduce pollution, and protect public health and the environment since the 1970s
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Air Quality Management 2.0: Why regulatory engagement is key to driving policy outcomes and air pollution emissions reductionsBy working in partnership with other key stakeholders, regulators can leverage the use of both low-cost sensors and reference-grade monitoring equipment to turn air quality data into tangible action.
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US EPA Air Sensor Guidebook Series: What is air quality measurement equipment collocation and why is it important?As we continue to break down the US EPA's Enhanced Air Sensor Guidebook, we discuss the importance of collocation to ensure effective, accurate air quality measurement with low-cost sensors.
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US EPA Air Sensor Guidebook Series: What are the best practices for siting and installing low-cost air quality monitoring equipment? We break down the US EPA's Enhanced Air Sensor Guidebook's recommendations on siting sensor and installation, with key considerations to make to establish an effective air quality monitoring network.
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US EPA Air Sensor Guidebook Series: What are the recommended use cases for non-regulatory supplemental and informational (NSIM) air monitoring equipment?In the second installment of our series on the USEPA Enhanced Air Sensor Guidebook, we're highlighting the recommended use cases for NSIM air quality monitoring.
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US EPA Air Sensor Guidebook Series: What environmental and air pollution questions can air quality sensor networks answer?We're breaking down the USEPA's Enhanced Air Sensor Guidebook, beginning with the important considerations and guiding questions that drive the design of a successful network.
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Environmental policies up for vote: How different states are looking to reduce air pollution and mitigate climate change in the upcoming midterm electionsAs the 2022 midterm elections quickly approach, we're taking a look at the different environmentally-oriented state propositions and key electoral races.
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The history of air quality management in California: A retrospective on California Clean Air DayIn celebration of California Clean Air Day, we are reflecting back on California's history of air quality management over the years.
Announcement
Clarity CEO Statement on West Virginia vs. EPA Supreme Court DecisionIn response to the Supreme Court's West Virginia vs. EPA decision handed down today, Clarity CEO David Lu has made the following statement.
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The new WHO air quality guidelines — and how they compare with air pollution regulations around the world The WHO's recently updated air quality guidelines provide an opportunity to look at global air quality regulations as part of the pathway towards achieving cleaner air.
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How calibration helps low-cost sensors meet USEPA and other performance targetsIn the last installment of our series on the USEPA’s low-cost sensor performance targets, we dive into the importance of calibrating low-cost sensor data to meet these targets.