DOWNTOWN SES

Data time: 11/9/2026 3:00 PM PT

Monitoring Site

Location

Address:: 450B 24th St
City:: San Diego
Latitude:: 32.710177
Longitude:: -117.142665
Region:: Coastal

Air Quality Information
Pollutant	Concentration	Units of Measure
OzonePPM8	0.034	PPM
PM10	16.8	UG/M3
PM2.5	5.5	UG/M3
NO2 PPB	12.6	PPB

Hour	AQI	Class	Program	Responsible Pollutant	Activity Caution	Risk Groups
15:00	31	Good	OzonePPM8	01_OZONE	None	None.
15:00	16	Good	PM10	22_PM10	None	People with respiratory disease are the group most at risk.
15:00	31	Good	PM2.5	21_PM25	None	None.
15:00	12	Good	NO2 PPB	04_TRUE NO2	None	None
14:00	29	Good	OzonePPM8	01_OZONE	None	None.
14:00	16	Good	PM10	22_PM10	None	People with respiratory disease are the group most at risk.
14:00	31	Good	PM2.5	21_PM25	None	None.
14:00	13	Good	NO2 PPB	04_TRUE NO2	None	None
13:00	25	Good	OzonePPM8	01_OZONE	None	None.
13:00	16	Good	PM10	22_PM10	None	People with respiratory disease are the group most at risk.
13:00	31	Good	PM2.5	21_PM25	None	None.
13:00	8	Good	NO2 PPB	04_TRUE NO2	None	None
12:00	23	Good	OzonePPM8	01_OZONE	None	None.
12:00	15	Good	PM10	22_PM10	None	People with respiratory disease are the group most at risk.
12:00	31	Good	PM2.5	21_PM25	None	None.
12:00	13	Good	NO2 PPB	04_TRUE NO2	None	None
11:00	22	Good	OzonePPM8	01_OZONE	None	None.
11:00	15	Good	PM10	22_PM10	None	People with respiratory disease are the group most at risk.
11:00	31	Good	PM2.5	21_PM25	None	None.
11:00	11	Good	NO2 PPB	04_TRUE NO2	None	None
10:00	20	Good	OzonePPM8	01_OZONE	None	None.
10:00	15	Good	PM10	22_PM10	None	People with respiratory disease are the group most at risk.
10:00	31	Good	PM2.5	21_PM25	None	None.