Official AQ sensor station - Camp Pendleton, San Diego, California

	PM2.5			PM10			O₃			AQI	classification
Current	39			19			26.4			39	Good Air Quality

Forecast	min	avg	max	min	avg	max	min	avg	max
18-09-2026	43	46	48	16	17	18	--	--	--	48	Good Air Quality
19-09-2026	48	52	56	19	21	24	--	--	--	56	Moderate Air Quality
20-09-2026	46	52	57	17	21	24	--	--	--	57	Moderate Air Quality
21-09-2026	38	44	49	14	17	19	--	--	--	49	Good Air Quality
22-09-2026	40	44	51	16	18	20	--	--	--	51	Moderate Air Quality
23-09-2026	37	48	65	16	22	34	--	--	--	65	Moderate Air Quality
24-09-2026	38	53	65	17	28	35	--	--	--	65	Moderate Air Quality
25-09-2026	52	60	70	28	37	43	--	--	--	70	Moderate Air Quality

classification	AQI	The health effects should be based on 24 hours average values only.
Good Air Quality	0-50	Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate Air Quality	50-100	Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for some	100-150	Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy Air Quality	150-200	Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy	200-300	Health alert: everyone may experience more serious health effects
Hazardous Air Quality	> 300	Health warnings of emergency conditions. The entire population is more likely to be affected
More information: EPA Air Quality Index Sensor data captured at: 20-09-2026 5:00 am