Subject Top Page: AQMIS 2 - Air Quality and Meteorological Information System
Air Quality and Meteorological Information System
AQMIS provides a combination of preliminary (real-time) and official (historical) data.
Preliminary data are subject to change.
AQMIS data are in PST
This page last reviewed June 24, 2016
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Breathe Well
- AQMIS has gone mobile! View the most up-to-date ozone and PM2.5 concentrations near you or at over 150 cities across California on your mobile device.
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Latest Ozone
- For selected areas within the state, provides information on maximum ozone concentrations for
yesterday, today, and for the year so far.
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Latest Year's Ozone
- For selected areas within the state, provides information on ozone exceedances for the
last three years and current year so far. Results can be viewed at site level if desired.
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Air Quality Data
- Query tool to obtain both preliminary and official air quality data
by selecting a time frame, an area of the state, and the type of report. Results can be clicked through for more detail.
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Meteorological Data
- Query tool to obtain real-time or historical meteorological data
by selecting parameter, time period, area of the state, and report format. Results can be clicked through for more detail.
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Google Maps
- Customizable visual display of air quality or meteorological parameters
using color-coded dots at site locations. Allows panning and zooming and satellite and terrain views.
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Greenhouse Gas (GHG) Data
Query tool to obtain both preliminary and official Greenhouse Gas (GHG) data
by selecting a time frame, an area of the state, and the type of report. Results can be clicked through for more detail.