Air Quality Clarity Node Sensors: Hourly PM and Weather in Washington, D.C.

Hourly measurements of PM2.5 and PM10, along with internal sensor temperature and relative humidity, collected by the District of Columbia Department of Energy & Environment (DOEE). Data is gathered through a network of Clarity Node sensors via 24-hour continuous monitoring to understand hyper-local air quality. The dataset is published by the District of Columbia and was last updated on March 25, 2026.

Use Cases

• Modeling hyper-local air pollution dispersion based on hourly PM2.5 and PM10 measurements.
• Analyzing correlations between particulate matter concentrations and local meteorological conditions like temperature and humidity.
• Monitoring real-time air quality trends across the District of Columbia using a sensor network.
• Validating and calibrating low-cost sensor data against regulatory standards.

Strengths

• Includes hourly temporal resolution for high-frequency analysis.
• Combines air pollutant measurements (PM2.5, PM10) with meteorological data (temperature, humidity).
• Data is collected via 24-hour continuous measurements, suggesting completeness for each sensor.
• Available in multiple formats including CSV, GeoJSON, and API endpoints for flexible access.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and spatial density of the sensor network are unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the District of Columbia's sensor placement.

Provenance

Source

District of Columbia Department of Energy & Environment (DOEE)

Collection Method

Collected through DOEE’s Clarity Node sensor network via 24-hour continuous measurements.

Freshness

Last updated 2026-03-25 08:15:33.452334; freshness should be verified.

Geography

District of Columbia, Washington, D.C.