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Portsmouth, New Hampshire Air Pollution: Real-time Air Quality Index (AQI)

Portsmouth, New Hampshire
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Portsmouth, New Hampshire AQI: Portsmouth, New Hampshire Real-time Air Quality Index (AQI).
28
Good
Updated on Tuesday 21:00
Primary pollutant: o3
CurrentPast 48 hours dataMinMax
PM2.5 AQI
17Portsmouth, New Hampshire, USA PM25 (fine particulate matter) measured by : • New Hampshire Department of Environmental Services • Air Now - US EPA. Values are converted to the US EPA AQI standard.1356
PM10 AQI
13Portsmouth, New Hampshire, USA PM10 (respirable particulate matter) measured by : • New Hampshire Department of Environmental Services • Air Now - US EPA. Values are converted to the US EPA AQI standard.820
O3 AQI
28Portsmouth, New Hampshire, USA O3 (ozone) measured by : • New Hampshire Department of Environmental Services • Air Now - US EPA. Values are converted to the US EPA AQI standard.1531
SO2 AQI
4Portsmouth, New Hampshire, USA SO2 (sulfur dioxide) measured by : • New Hampshire Department of Environmental Services • Air Now - US EPA. Values are converted to the US EPA AQI standard.37
Temp.
-7Portsmouth, New Hampshire, USA t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).-10-2
Pressure
1034Portsmouth, New Hampshire, USA p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10111034
Humidity
44Portsmouth, New Hampshire, USA h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).3387
Wind
0Portsmouth, New Hampshire, USA w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).05

Air Quality Forecast
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PM10
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Air Quality Data provided by the New Hampshire Department of Environmental Services (des.nh.gov)


Historical Air Quality

Most Recent News


January 10th 2017: New post about “Nitrogen Dioxyde (NO2) in our atmosphere”.
October 8th 2016: Registration is open for the November 7th CCA Coalition webinar on Air Quality, Climate Change and the New Urban Agenda: Taking Action at the City Level (Part 2). Register for free now on ccacoalition.org
August 10th 2016: New post about “Ozone AQI Scale update”.
February 28th 2016: New post about “Air Quality Forecasting in Northern India”.
November 5th 2015: New post about “A visual study of Wind impact on PM2.5 Concentration”.
October 28th 2015: New post about “UNEP Air Quality Monitoring Station”.
September 20th 2015: Air Quality data is now available for Wellignton, New Zealand
September 18th 2015: New post about “Map Web Service: Real-time Air Quality Tile API”.

view all the past news, or check the frequently asked questions.



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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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