California Air Quality Data - Selected Data Available for Download

This page updated March 4, 2008 new button 

   

The California Air Resources Board has released a new DVD-ROM in February 2008 entitled "2008 Air Quality Data DVD" with 27 years of air quality data (1980-2006). For a description of the DVD, go to "California Air Quality Data Available on DVD-ROM". We are providing files in various formats for hourly, daily, and annual data from 1980 to 2006 listed in the file documentation: file08dvd.pdf (pdf - 62k). If you would like to download these ASCII, Dbf, Comma-delimited, ACCESS 2003, or EXCEL files, proceed to the table below. The daily monitor-based PM10 and PM2.5 data are available in both comma-delimited and EXCEL format, and the hourly monitor-based PM10 and PM2.5 data are available in comma-delimited format except for PM10 local conditions (BAM10) which is also available in EXCEL format. Most of the hourly PM10 and PM2.5 files had more records in a year than EXCEL could display, so these EXCEL files were not provided. The product names listed on this page may be registered trademarks.

After downloading each data file, double-click on the zipped executable file. The window for the Winzip Self-Extractor will appear: click on the "Browse " button to select the location for storing the file on your hard drive, then click on the "Unzip" button.

For questions about these data, please contact Bob Weller by phone at (916) 322-6158 or by email at aqdcd@arb.ca.gov.


CALIFORNIA AIR QUALITY DATA FOR THE YEARS 1980-2006

(Download each zip compressed file separately)

Data Years

File Description including:

Data

1980-06

2007 Air Quality Data DVD Readme

36K

1980-06

What's New? (2008 Air Qualtiy Data DVD)

8K

1980-06

File Documentation

54K

1980-06

Dbf Documentation

13K

1980-06

Glossary

27K

1994-06

NMOC Data Documentation

13K

1994-06

NMOC Limits of Detection

139K

1990-06

ARB Toxics Documentation

14K

1990-06

ARB Toxics Limits of Detection

53K

2000-06

PM2.5 Speciation Description

11K

2000-06

PM2.5 Chemical Species

13K

1980-06

BASINS.DBF (Basin Information, Including Basin Letter)

70K

1980-06

PA8.DBF (8-hr Ozone Planning Area Information)

70K

1980-06

LOCATION.DBF (Sites, Air Basins, 8-hr Ozone Planning Areas)

0.14M

1980 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.33M

1981 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.55M

1982 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.33M

1983 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.04M

1984 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.27M

1985 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.32M

1986 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.55M

1987 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.89M

1988 Hrly

CO, NO, NO2, NMHC, NOx, O3

6.38M

1989 Hrly

CO, NO, NO2, NMHC, NOx, O3

6.99M

1990 Hrly

CO, NO, NO2, NMHC, NOx, O3

5.69M

1991 Hrly

CO, NO, NO2, NMHC, NOx, O3

6.99M

1992 Hrly

CO, NO, NO2, NMHC, NOx, O3

7.20M

1993 Hrly

CO, NO, NO2, NMHC, NOx, O3

8.05M

1994 Hrly

CO, NO, NO2, NMHC, NOx, O3

11.3M

1995 Hrly

CO, NO, NO2, NMHC, NOx, O3

11.5M

1996 Hrly

CO, NO, NO2, NMHC, NOx, O3

11.1M

1997 Hrly

CO, NO, NO2, NMHC, NOx, O3

11.1M

1998 Hrly

CO, NO, NO2, NMHC, NOx, O3

10.9M

1999 Hrly

CO, NO, NO2, NMHC, NOx, O3

9.4M

2000 Hrly

CO, NO, NO2, NMHC, NOx, O3

11.0M

2001 Hrly

CO, NO, NO2, NMHC, NOx, O3

9.4M

2002 Hrly

CO, NO, NO2, NMHC, NOx, O3

9.3M

2003 Hrly

CO, NO, NO2, NMHC, NOx, O3

9.3M

2004 Hrly

CO, NO, NO2, NMHC, NOx, O3

8.9M

2005 Hrly

CO, NO, NO2, NMHC, NOx, O3

8.7M

2006 Hrly

CO, NO, NO2, NMHC, NOx, O3

8.0M

1980-84 Hrly

CH4, NMHC, THC

7.27M

1985-89 Hrly

CH4, NMHC, THC

7.41M

1990-94 Hrly

CH4, NMHC, THC

6.93M

1995-00 Hrly

CH4, NMHC, THC

6.51M

2001-04 Hrly

CH4, NMHC, THC

2.86M

2005-06 Hrly

CH4, NMHC, THC

1.46M

1980-06 Hrly

COH2HR

11.1M

1980-06 Hrly

LTSC

8.69M

1980-84 Hrly

SO2

7.84M

1985-89 Hrly

SO2

8.72M

1990-94 Hrly

SO2

7.78M

1995-00 Hrly

SO2

6.82M

2001-04 Hrly

SO2

4.29M

2005-06 Hrly

SO2

1.65M

1980-00 Hrly

H2S

4.75M

2001-06 Hrly

H2S

1.71M

1994-06 Hrly

NMOC

4.86M

1994-06 Hrly

NMOC Access 2003 database

5.96M

1993-06 Hrly

PM10 Std. Conditions (PM10 Mixture)

7.89M

2003-06 Hrly

PM10 Local Conditions (BAM10)

0.20M

2003-06 Hrly

PM10 Local Conditions (BAM10) in Excel

0.57M

1999-06 Hrly

PM2.5 Local Conditions (BAM2.5)

4.10M

1980-06 Dly

DLYGAS.DBF

51.0M

1980-84 Dly

DLYGAS

6.23M

1985-89 Dly

DLYGAS

6.92M

1990-94 Dly

DLYGAS

8.18M

1995-99 Dly

DLYGAS

9.85M

2000-04 Dly

DLYGAS

9.56M

2005-06 Dly

DLYGAS

3.45M

2000-06 Dly

PM2.5 Speciation Database downloaded from the U.S. EPA Air Qualtiy System

1.69M

1994-06 Dly

NMOC

1.51M

1980-06 Dly

DLYOZPA8.DBF (Daily 8-hr ozone planning area data)

22.9M

1980-06 Dly

DLYPM.DBF (No PM10 or PM2.5mass data)

12.3M

1980-89 Dly

DLYPM (No PM10 or PM2.5mass data)

3.12M

1990-99 Dly

DLYPM (No PM10 or PM2.5mass data)

3.20M

2000-06 Dly

DLYPM (No PM10 or PM2.5mass data)

1.59M

1988-01 Dly

DLYDICHOT.DBF (Std. Conditions: constituents and mass data)

2.05M

1988-01 Dly

DLYDICHOT (Std. Conditions: constituents and mass data)

1.63M

1980-06

PM mass comma-delimited data (daily, hourly)

15.1M

1980-06

PM mass comma-delimited data (daily, hourly) Access 2003

16.2M

1998-01 Dly

DICHOTFINELOCAL (Local Conditions: comma-delimited mass data)

78K

1998-01 Dly

DICHOTFINELOCAL (Local Conditions: Excel version of mass data)

99K

1988-01 Dly

DICHOTFINESTD (Std. Conditions: comma-delimited mass data)

124K

1988-01 Dly

DICHOTFINESTD (Std. Conditions: Excel version of mass data)

240K

1998-01 Dly

DICHOTTOTALLOCAL (Local Conditions: comma-delimited mass data)

79K

1998-01 Dly

DICHOTTOTALLOCAL (Local Conditions: Excel version of mass data)

101K

1988-01 Dly

DICHOTTOTALSTD (Std. Conditions: comma-delimited mass data)

125K

1988-01 Dly

DICHOTTOTALSTD (Std. Conditions: Excel version of mass data)

238K

1990-06 Dly

DLYTOXIC.DBF

1.23M

1990-06 Dly

DLYTOXIC

1.09M

1990-06 Dly

DLYTOXIC ACCESS 2003 DATABASE

8.93M

1997-06 Dly

PM10 Local Conditions (PM10 Mixture)

0.67M

1997-06 Dly

PM10 Local Conditions (PM10 Mixture) in Excel

2.13M

2003-06 Dly

PM10 Local Conditions (BAM10) Daily Averages

0.08M

2003-06 Dly

PM10 Local Conditions (BAM10) Daily Averages in Excel

0.11M

1983-06 Dly

PM10 Std. Conditions (PM10 Mixture)

1.12M

1983-06 Dly

PM10 Std. Conditions (PM10 Mixture) in Excel

3.46M

1993-06 Dly

PM10 Std. Conditions (PM10 Mixture) Daily Averages

0.55M

1993-06 Dly

PM10 Std. Conditions (PM10 Mixture) Daily Averages in Excel

1.93M

1998-06 Dly

PM2.5 Local Conditions (PM2.5 Mixture)

0.56M

1998-06 Dly

PM2.5 Local Conditions (PM2.5 Mixture) in Excel

1.72M

1999-06 Dly

PM2.5 Local Conditions (BAM2.5) Daily Averages

0.33M

1999-06 Dly

PM2.5 Local Conditions (BAM2.5) Daily Averages in Excel

1.12M

1980-06 Mth

YMONTHLY.DBF (Monthly criteria values - no PM available)

1.95M

1980-06 Mth

YMONTHP8.DBF (Monthly ozone values for site and 8-hr ozone planning areas)

1.64M

1980-06 Yrly

YSMULTIC.DBF (Annual criteria for site, county, and basin)

0.86M

1980-06 Yrly

ASCII ANNUAL CRITERIA SITE, COUNTY, AND BASIN

0.90M

1980-06 Yrly

YSMULTP8.DBF (Annual ozone for site and 8-hr ozone planning areas)

0.34M

1980-06 Yrly

TOP4VALU.DBF (Top 4 criteria values)

1.32M

1980-06 Yrly

T4VALPA8.DBF (Top 4 ozone values for site and 8-hr ozone planning areas)

0.45M

1990-06 Yrly

YTOXICS.DBF (Annual toxics from the ARB toxics network)

0.54M

1980-06

VARIABLE.DBF (Table of variables)

0.08M

1990-06

COMPOUND.DBF (List of toxics compounds)

0.07M

California Air Quality Data Available on DVD-ROM

 
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