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Air quality in Costa Mesa

Air quality index (AQI) and PM2.5 air pollution in Costa Mesa

Last update at 20:00, Jun 2 (local time)

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20:00, Jun 2 (local time)

#	station	US AQI
1	California Seabreeze	93
2	CCA Boston and Charleston	36

20:00, Jun 2 (local time)

US AQI

live AQI index
Moderate

Air pollution level	Air quality index	Main pollutant
Moderate	69 US AQI	PM2.5

Pollutants		Concentration
PM2.5		19.1µg/m³

PM2.5

x3.8

PM2.5 concentration in Costa Mesa is currently 3.8 times the WHO annual air quality guideline value

	Sensitive groups should reduce outdoor exercise
	Close your windows to avoid dirty outdoor air GET A MONITOR
	Sensitive groups should wear a mask outdoors GET A MASK
	Sensitive groups should run an air purifier GET AN AIR PURIFIER

Day	Pollution level	Temperature	Wind
Thursday, May 30	Good 33 AQI US	69.8° 57.2°	8.9 mp/h
Friday, May 31	Good 27 AQI US	69.8° 59°	8.9 mp/h
Saturday, Jun 1	Good 18 AQI US	66.2° 59°	8.9 mp/h
Today	Moderate 69 AQI US	66.2° 59°	8.9 mp/h
Monday, Jun 3	Moderate 51 AQI US	68° 60.8°	6.7 mp/h
Tuesday, Jun 4	Moderate 57 AQI US	68° 60.8°	6.7 mp/h
Wednesday, Jun 5	Moderate 59 AQI US	71.6° 62.6°	8.9 mp/h
Thursday, Jun 6	Moderate 66 AQI US	71.6° 62.6°	6.7 mp/h
Friday, Jun 7	Moderate 64 AQI US	69.8° 62.6°	8.9 mp/h
Saturday, Jun 8	Moderate 63 AQI US	68° 62.6°	11.2 mp/h