Colfax-City Hall, Placer, California Air Pollution: Real-time Air Quality Index (AQI)

Colfax-city Hall, Placer, California
Grass Valley-litton Building, Nevada, California
Auburn - Atwood Rd, Placer, California
Auburn-11645 Atwood Road, Placer, California
Lincoln - 1445 1st St., Placer, California
Lincoln-1445 1st Street, Placer, California
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Colfax-City Hall, Placer, California AQI: Colfax-City Hall, Placer, California Real-time Air Quality Index (AQI).
46
Good
Updated on Friday 21:00
temperature: 8°C
currentpast 2 daysminmax
PM2.5 AQI
46Colfax-City Hall, Placer, California, California PM25 (fine particulate matter) measured by : • CARB - California Air Resources Board • Air Now - US EPA. Values are converted to the US EPA AQI standard.950
O3 AQI
14Colfax-City Hall, Placer, California, California O3 (ozone) measured by : • CARB - California Air Resources Board • Air Now - US EPA. Values are converted to the US EPA AQI standard.1030
Weather Information
Temp.
8Colfax-City Hall, Placer, California, California t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).415
Pressure
1017Colfax-City Hall, Placer, California, California p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10161023
Humidity
81Colfax-City Hall, Placer, California, California h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).4990
Wind
0Colfax-City Hall, Placer, California, California w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).02

Air Quality Data provided by: CARB - California Air Resources Board (arb.ca.gov) and Air Now - US EPA (airnow.gov)

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About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQIAir Pollution LevelHealth ImplicationsCautionary Statement (for PM2.5)
0 - 50GoodAir quality is considered satisfactory, and air pollution poses little or no riskNone
51 -100ModerateAir 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.
101-150Unhealthy for Sensitive GroupsMembers 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.
151-200UnhealthyEveryone may begin to experience health effects; members of sensitive groups may experience more serious health effectsActive 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
201-300Very UnhealthyHealth 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+HazardousHealth alert: everyone may experience more serious health effectsEveryone 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.



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