SDAPCD - Air Quality Forecast

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