Redwood City, San Mateo, California AQI: Redwood City, San Mateo, California Real-time Air Quality Index (AQI).

63	Moderate Updated on Wed. 20:00 Temp.: 8°C

Current		Past 48 hours data	Min	Max
PM2.5 AQI	63		30	80
O3 AQI	3		1	29
NO2 AQI	23		4	32
CO AQI	8		3	17
Temp.	8		0	16
Pressure	1018		1017	1024
Humidity	90		53	95

Air Quality Forecast

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Air Quality Data provided by CARB - California Air Resources Board (arb.ca.gov)

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AQI	Air Pollution Level	Health Implications	Cautionary Statement (for PM2.5)
0 - 50	Good	Air quality is considered satisfactory, and air pollution poses little or no risk	None
51 -100	Moderate	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.	Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150	Unhealthy for Sensitive Groups	Members of sensitive groups may experience health effects. The general public is not likely to be affected.	Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200	Unhealthy	Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects	Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300	Very Unhealthy	Health warnings of emergency conditions. The entire population is more likely to be affected.	Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+	Hazardous	Health alert: everyone may experience more serious health effects	Everyone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.

Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.

The Data sources used for the Air Quality, Air Pollution, PM_2.5 (fine particulate matter), PM₁₀ (respirable particulate matter), NO₂ (nitrogen dioxide), SO₂ (sulfur dioxide), CO (carbon monoxide), O₃ (ozone) and Weather data in this page are coming from:

Citizen Weather Observer Program (CWOP/APRS)

CARB - California Air Resources Board

Air Now - US EPA

Redwood City, San Mateo, California, California Air Pollution

Redwood City, San Mateo, California overall air quality index is 63
Redwood City, San Mateo, California PM_2.5 (fine particulate matter) AQI is 63 - Redwood City, San Mateo, California PM₁₀ (respirable particulate matter) AQI is n/a - Redwood City, San Mateo, California NO₂ (nitrogen dioxide) AQI is 23 - Redwood City, San Mateo, California SO₂ (sulfur dioxide) AQI is n/a - Redwood City, San Mateo, California O₃ (ozone) AQI is 3 - Redwood City, San Mateo, California CO (carbon monoxide) AQI is 8 -

This page has been generated on Thursday, Nov 30th 2023, 13:12 pm CST from jp2n

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Redwood City, San Mateo, California Air Pollution: Real-time Air Quality Index (AQI)

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