Fighting air inequality through
open data.
OpenAQ is a nonprofit organization providing universal access to air quality data to empower a global community of changemakers to solve air inequality—the unequal access to clean air.
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How people use air quality data from OpenAQ
Air Pollution Research
Access to key open data sets (emission sources, air pollution levels, meteorological/atmospheric conditions, etc.) are fundamental to air pollution research. OpenAQ serves as one of these important data sets, used by many scientific researchers to, for example, evaluate and verify air pollution...
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Data for Communities
Through OpenAQ’s data platform, Clean Air One Atmosphere is able to provide data access to community members in Ghana and Malawi, helping them learn what they are breathing first-hand and become more environmentally aware. The Problem Air pollution in Africa is a major yet often overlooked public...
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Validating Satellite Data
Satellites orbiting Earth are able to fill air quality data gaps in regions with little or no ground-level monitoring by applying mathematical models to the atmospheric data that they collect. However, satellite-based observations have limitations and challenges. Ground measurements are needed to...
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Search local air quality data
Hundreds of people use OpenAQ every day. Our interactive map makes it easy to explore and understand global air quality data.
Explore the data
Publications
OpenAQ’s publications help governments and organizations close air quality data gaps and share data openly, through global assessments of government data sharing and practical guides for building monitoring networks with data ownership and open licensing in mind..
Read moreAir Quality Index Hub
Visit the OpenAQ AQI Hub to learn about the methodologies different countries use to build their most important air quality communications tool.
Visit the AQI Hub
library("openaq")
locations <- openaq::list_locations(
parameters_id = 2,
radius = 100,
coordinates = c(latitude = -36.7724, longitude = -73.0666)
)Air quality data API
Our open API allows applications to connect directly to OpenAQ data. One air quality API provides access to hundred of sources.
Learn about OpenAQ API