Episodic 24-hr PM2.5 Exceedance Map

Areas where 24-hour fine particulate matter (PM2.5) levels exceeded the federal standard (35 mg/ m3) during three recent winters (2010-2012).

Querying over HTTP

Splitgraph serves as an HTTP API that lets you run SQL queries directly on this data to power Web applications. For example:

curl https://data.splitgraph.com/sql/query/ddn \
    -H "Content-Type: application/json" \
    -d@-<<EOF
{"sql": "
    SELECT *
    FROM \"bayareametro-gov/episodic-24hr-pm25-exceedance-map-q97d-wj3q\".\"episodic_24hr_pm25_exceedance_map\"
    LIMIT 100 
"}
EOF

See the Splitgraph documentation for more information.