Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Air Quality

African air quality: framework for a proactive observing and modeling strategy

The public health threat of air pollution in Africa, which already results in 1.1 million premature deaths annually, is expected to intensify under rapid urbanization and population growth. To develop strategies for improving air quality monitoring and research in East Africa, scientists from around the world convened for workshops virtually in 2021 and in-person in […]

African air quality: framework for a proactive observing and modeling strategy Read More »

GeoXo logo

NOAA and NASA meet with partners and stakeholders advance readiness for atmospheric composition instrument in the future Geostationary Extended Observations satellite mission

The ACX meeting was crucial as it brought together key agency leaders and stakeholders to advance the strategic planning and coordination for the new Atmospheric Composition Instrument, ensuring its readiness to provide essential hourly observations of air pollutants for climate and air quality research and mitigation efforts.

NOAA and NASA meet with partners and stakeholders advance readiness for atmospheric composition instrument in the future Geostationary Extended Observations satellite mission Read More »

Smog over a evergreen forest, mountains in background

Arctic Urban Air Pollution Challenges: Assessment from the Alaskan Layered Pollution and Chemical Analysis (ALPACA) Field Experiment

An overview of the Alaskan Layered Pollution And Chemical Analysis (ALPACA) field experiment, supported by AC4, provides the first large-scale assessment of winter air quality issues in Arctic urban areas, detailing unique indoor and outdoor pollution issues.

Arctic Urban Air Pollution Challenges: Assessment from the Alaskan Layered Pollution and Chemical Analysis (ALPACA) Field Experiment Read More »

forest fitre, with smoke covering the sky

Understanding Wildfire Emissions From Flaming to Smoldering Using Satellite Data

AC4-funded research finds that data from the Tropospheric Monitoring Instrument (TROPOMI) illuminates key changes in wildfire emissions and impacts that occur while a fire evolves from intense flames to smoldering conditions, emphasizing the value of space-based observations to inform forecasts and models.

Understanding Wildfire Emissions From Flaming to Smoldering Using Satellite Data Read More »

Scroll to Top