List of Air Monitors

Select the monitor name to view more air quality data for that location. Find out what the Community Air-Quality Level colors and numbers mean.

Tuesday, June 6, 2023 at 04:32 PM

City/Area Location Community Air-Quality Level (CAL)
Westside, CA Westside Elementary, Five Points 136
Hanford ,CA KCAO Rosa Park Learning Center, Hanford 49
San Joaquin, CA San Joaquin, CA 49
Firebaugh, CA Dunkle Park, Firebaugh 42
Armona, CA Kings Cultural Center 41
Raisin City, CA Raisin City Elementary 39
Coalinga, CA Coalinguita Ranch, Coalinga, CA 38
Coalinga, CA Mobile Home Park, Coalinga 34
Lemoore, CA West Hills College, Lemoore 20
Avenal, CA District Office, Avenal 15
Avenal, CA Senior Center, Avenal 14
Corcoran, CA Corcoran, CA 12
Coalinga, CA Coalinga CA, Monroe St 11
Huron, CA The LEAP Institute 4
Coalinga, CA Coalinga, CA 0
Avenal, CA Hilltop, Avenal 0
Shafter, CA Shafter Monitor Offline
Arvin, CA Arvin, CA Offline
Riverdale, CA Lanare Community Center, Riverdale Offline
Terra Bella, CA Terra Bella Community Offline
Cutler, CA Cutler CA, Ave 407 Offline
Riverdale, CA Riverdale, CA Offline

About CALs

Community Air-Quality Levels (CALs) are used to describe air quality in terms of how harmful the level of particulate matter (PM) pollution in the air is to human health. The CALs are derived using similar methods as EPA’s Air Quality Index (AQI).

You should use both IVAN Air Monitoring and government air data to understand the air quality levels around you. When comparing health recommendations from both sources, you should follow the most health protective recommendation.

*Sensitive groups include children, teens, older adults, pregnant women, and people with heart, lung, or other chronic diseases


When using this information, please note the following:

  • In order to provide air quality information in real time, the data presented on this website are not validated or verified
  • The air quality levels are for particulate matter (PM) only. Other air pollutants, such as ozone, may be present, even when PM levels are low.
  • These data do not come from regulatory monitors and cannot be used to infer violations of the law
  • Data on this website should be considered preliminary and used with discretion

Learn more about our monitor validation process, how to use the data on this website, and how to compare the data with government

More info

View the Air Monitoring Q&A for more information on the following topics:

Government air data

Air quality data for Imperial County currently reported by government regulatory air monitors are available at and

Data reported by IVAN Air Monitoring and by government monitors should both be used to better understand air quality levels near you. There are differences in how these data are collected, such as the locations monitored, the equipment used, and pollutants measured. Therefore, differences in reported air data are expected. When considering how to best protect your health, we recommended you consider multiple sources of air quality data and follow the most health protective recommendations.

Visit the Air Monitoring FAQs for more information about how our data compares with government data.

Report an air problem

If you are experiencing an emergency, call 9-1-1.

Step 1. Report to Imperial County Air Pollution Control District.

Call (442) 265-1800 as soon as you notice a problem with air quality. Their website lists what information to provide in order to support their investigations. It also describes what to expect when you submit a complaint.

Step 2. Report on IVAN.

After contacting the APCD, we recommend that you also submit a record of the problem here on IVAN Imperial, including a note that APCD has been contacted. This ensures that the Environmental Justice Task Force is aware of the complaint and that the complaint is documented on the IVAN Imperial website.

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