The Lake County General Health District contracts with Ohio Environmental Protection Agency (EPA) as the local air agency (LAA) for Lake and Geauga counties.  The Health District maintains ambient air monitoring networks at five locations throughout Lake and Geauga Counties. Currently, we are monitoring for the following criteria pollutants: Particulate Matter of less than 10 microns (PM10), Particulate Matter of less than 2.5 microns (PM 2.5), Sulfur Dioxide (SO2), Ozone (O3) and Carbon Monoxide (CO).

Is today an Air Quality Advisory Day?

Please visit Northeast Ohio Areawide Coordinating Agency (NOACA) for more information.

Below is a list of all criteria pollutants monitored by the Lake County General Health District. Using the data collected, we calculate an Air Quality Index (AQI) for the day.

Today’s December 16, 2024 Pollution Standards Index (PSI) is 3 which is in the GOOD range.  (AQI Level Chart)

Yesterday’s Highest values (date: December 15, 2024)

Yesterday’s Highest Ozone Value: JFS:  n/a – Parts per billion (PPB) Jefferson:  n/a – PPB Geauga:  n/a – PPB

Yesterday’s Highest Sulfur Dioxide Value: JFS: 2 PPB 

Yesterday’s highest Particle Pollution (PM) 2.5 value:  11 Micrograms per cubic meter (ug/m3)

Yesterday’s  PM 2.5: 24 hour average: 8 (ug/m3)

The following is the AQI trend for the past week:

Past Daily PSI Numbers

Monday 12/16/24 – 3
Tuesday  12/10/24 – 3
Wednesday  12/11/24 – n/a
Thursday  12/12/24 – 3
Friday 11/13/24 – n/a

The above data is raw & is not quality assured.