Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia Air Pollution:
Real-time Air Quality Index (AQI)

Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia
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Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia AQI: Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia Real-time Air Quality Index (AQI).
10
Good
Updated on Thursday 22:00
Primary pollutant: o3
currentpast 2 daysminmax
O3 AQI
10Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia, USA O3 (ozone) measured by : • Air Quality in Virginia • Air Now - US EPA. Values are converted to the US EPA AQI standard.1024
NO2 AQI
4Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia, USA NO2 (nitrogen dioxide) measured by : • Air Quality in Virginia • Air Now - US EPA. Values are converted to the US EPA AQI standard.15
Weather Information
Temp.
3Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia, USA t (temp.) measured by Citizen Weather Observer Program (CWOP/APRS).322
Pressure
1018Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia, USA p (pressure:) measured by Citizen Weather Observer Program (CWOP/APRS).10071018
Humidity
88Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia, USA h (humidity) measured by Citizen Weather Observer Program (CWOP/APRS).3088
Wind
1Sumerduck - C. Phelps Wildlife Mgmt Area, Northern Virginia, USA w (wind) measured by Citizen Weather Observer Program (CWOP/APRS).04
MarkerMarkerMarkerMarkerMarkerMarker
map © OpenStreetMap contributors

Air Quality Forecast
FRI 14
18°C
4°C
SAT 15
22°C
6°C
SUN 16
20°C
15°C
MON 17
14°C
4°C
TUE 18
20°C
4°C
PM2.5
O3
Friday 14Saturday 15Sunday 16Monday 17Tuesday 18
hour
0369121518210369121518210369121518210369121518210369121518
Wind Speed (m/s)
2222245534457659101111111212107788986322222345







































Temp.
6°5°4°9°15°18°13°9°7°6°6°13°19°22°18°17°17°17°18°18°19°19°17°16°12°9°6°6°11°14°10°7°6°5°4°12°18°20°13°
relative humidity
929697765852748996989881585373717581787982868594807772564136566167727250394266
barometric pressure
101810191020102110201017101710181018101710181018101510121012101110111008100910091007100510051008101110131017102010191018102010221023102210231024102210201020
total precipitation
0.50.98.82.84.6
UVI:
4


7:26 ~ 19:17
UVI:
3


7:24 ~ 19:18
UVI:
4


7:23 ~ 19:19
UVI:
5


7:21 ~ 19:20
UVI:
1


7:20 ~ 19:21
Forecast plotted using timezone -04:00
Latest forecast updates:
Wind: 6 hours ago [Mar 13, 2025 10:41 PM]
fine particulate matter: 8 hours ago [Mar 13, 2025 8:33 PM]
ozone: 8 hours ago [Mar 13, 2025 8:38 PM]
click to view the detailed forecast

Air Quality Data provided by: the Air Quality in Virginia (deq.virginia.gov) and Air Now - US EPA (airnow.gov)

Note that the measurement for NO2 (nitrogen dioxide) are taken from the station: Long Park - Haymarket, Northern Virginia
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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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