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Air Pollution Control District

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AIR QUALITY FORECAST

The air quality forecast for Sunday, April 13, is for little change in conditions. Air quality levels will be Good to Moderate throughout the day.

The air quality forecast for Monday, April 14, is for little change in conditions. Air quality levels will be Good to Moderate throughout the day.

Air quality reports use the Air Quality Index, which represents the higher of three pollutants - PM2.5, PM10 or ozone. For ground-level ozone (O3) , these values are based upon an 8-hour running average. For ground-level particulate matter with a diameter less than 2.5 microns (PM2.5) or less than 10 microns (PM10), these values are based upon a 24-hour daily average.

Air Quality Index
(AQI) Values
Levels of Health Concern Colors
When the AQI
is in this range:
...air quality conditions are: ...as symbolized
by this color:
0 to 50 Good Green
51 to 100 Moderate Yellow
101 to 150 Unhealthy for
Sensitive Groups
Orange
151 to 200 Unhealthy Red
201 to 300 Very Unhealthy Purple
301 to 500 Hazardous Maroon

 

City

Forecast Maximum AQI
Level for:

Pollutant

 

Measured Maximum AQI
Level for:

Pollutant

APRIL 13

APRIL 14

APRIL 11

Alpine 90 OZONE 64 OZONE 64 OZONE
Chula Vista 64 OZONE 64 OZONE 64 OZONE
Del Mar 90 OZONE 64 OZONE 64 OZONE
Downtown 64 OZONE 64 OZONE 64 OZONE
El Cajon 64 OZONE 64 OZONE 64 OZONE
Escondido 64 OZONE 64 OZONE 47 OZONE
Otay Mesa 64 OZONE 64 OZONE 47 OZONE
Kearny Mesa 64 OZONE 64 OZONE 64 OZONE
Oceanside 90 OZONE 64 OZONE 64 OZONE

POLLUTANT SPECIFIC FORECASTS
 

Forecast Maximum AQI
Level for:

OZONE

Forecast Maximum AQI
Level for:

PM2.5

City

 

APRIL 13

APRIL 14

APRIL 13

APRIL 14

Alpine 90 MODERATE 64 MODERATE 32 GOOD 32 GOOD
Chula Vista 64 MODERATE 64 MODERATE 29 GOOD 29 GOOD
Del Mar 90 MODERATE 64 MODERATE 29 GOOD 29 GOOD
Downtown 64 MODERATE 64 MODERATE 32 GOOD 32 GOOD
El Cajon 64 MODERATE 64 MODERATE 36 GOOD 36 GOOD
Escondido 64 MODERATE 64 MODERATE 32 GOOD 32 GOOD
Otay Mesa 64 MODERATE 64 MODERATE 32 GOOD 32 GOOD
Kearny Mesa 64 MODERATE 64 MODERATE 29 GOOD 29 GOOD
Oceanside 90 MODERATE 64 MODERATE 29 GOOD 29 GOOD


If you need air quality information, please call (858) 586-2707 during regular working hours. If you have an air pollution complaint, or see an air pollution problem, please call (858) 586-2650. Thank you.
 

In cases where this web page is not updated properly, or to hear the official air pollution forecast, please call our air pollution forecast recording line at: (858) 586-2800.  This recording is updated daily at 4:30 PM.

RD / 1630 PST
 

 

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