North Coast Unified Air Quality Management District
707 L Street
Eureka, CA 95501

Office (707) 443-3093
Fax (707) 443-3099

Office Hours:
Mon-Fri 9am- 12pm, 1-4pm

Burn Day Information
(707) 443-7665 or
(866) BURN-DAY
[866-287-6329]

Complaint Hotline
(707) 444-2233
Air Quality Data
The District operates several local air monitoring stations within its tri-county jurisdiction of Humboldt, Del Norte and Trinity counties. Different pollutants may be monitored depending upon the site equipment of the station.
The District regularly provides an overview of current air monitoring activities to its Governing Board. The information provided below for each station is from the most recent status report to the Governing Board. Historical data is available through a Public Records Request.

The District's most recent Ambient Air Quality Monitoring Status Report contains the following information in the report:
Del Norte County:
Crescent City Station -
  • 24 hour PM10
  • PM10 Rolling Annual Arithmetic Mean
Humboldt County:
Eureka Downtown Station -
  • 24 Hour PM10
  • PM10 Rolling Annual Arithmetic Mean
  • 24 Hour PM2.5
  • PM2.5 Rolling Annual Arithmetic Mean
Jacobs Station -
  • 24 Hour PM10
  • PM10 Rolling Annual Arithmetic Mean
  • 24 Hour PM2.5
  • PM2.5 Rolling Annual Arithmetic Mean
  • Ozone Maximum Hourly
  • Ozone Rolling 8 hour Average
  • NO2 Maximum Hourly
  • NO2 Rolling Annual Arithmetic Mean
  • CO Maximum Hourly
  • CO Rolling 8 Hour Average Maximum
  • SO2 Maximum Hourly
  • SO2 24 Hour Average Maximum
  • SO2 12 Month Moving Average, Annual Arithmetic Mean
Humboldt Hill Station -
  • 24 Hour PM10     
  • PM10 Rolling Annual Arithmetic Mean     
  • PM2.5 24 Hour Average     
  • Ozone Maximum Hourly     
  • Ozone Rolling 8 Hour Average     
  • NO2 Maximum Hourly     
  • NO2 Rolling Annual Arithmetic Mean     
  • CO Maximum Hourly     
  • CO Rolling 8 Hour Average Maximum     
  • SO2 Maximum Hourly     
  • SO2 24 Hour Average Maximum     
  • SO2 12 Month Moving Average, Annual Arithmetic Mean     
Trinity County:
Weaverville Station -
  • 24 Hour PM10
  • PM10 Rolling Annual Arithmetic Mean
  • PM2.5 24 Hour Average
EPA Radiation Monitoring
The District's historic air quality data can be accessed from the Air Resources Board's (CARB) website for Air Quality Data Statistics (iADAM).

If you have questions or would like more information that what is provided above please contact District staff at (707) 443-3093 or support@ncuaqmd.org.
Current Information
for
All 3 Zones
PERMISSIVE BURN DAY?
DATE
YES
NO
CALL
2017-11-18
2017-11-19
2017-11-20
2017-11-21
2017-11-22
2017-11-23
2017-11-24

Password:
Today:
Saturday November 18th
Did You Know?
Without a valid burn permit, burning illegally could cost you up to $10,000.00 in fines
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