Big Meadows

Data time: 4/25/2026 5:00 AM ET
Monitoring Site
Location
Address: Big Meadows, Shenandoah National Park
Latitude: 38.5228
Longitude: -78.43487
Region: Northern
Air Quality Information
Pollutant Concentration Units of Measure
Ozone 59 PPB
PM10 22 UG/M3
PM2.5 12.1 UG/M3
HourAQIClassProgramResponsible PollutantActivity CautionRisk Groups
05:0064ModerateOzoneOzoneUnusually sensitive individuals may experience respiratory symptoms.Children and people with asthma are the groups most at risk.
05:0020GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
05:0057ModeratePM2.5PM 2.5Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.People with respiratory or heart disease, the elderly and children are the groups most at risk.
04:0064ModerateOzoneOzoneUnusually sensitive individuals may experience respiratory symptoms.Children and people with asthma are the groups most at risk.
04:0019GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
04:0055ModeratePM2.5PM 2.5Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.People with respiratory or heart disease, the elderly and children are the groups most at risk.
03:0064ModerateOzoneOzoneUnusually sensitive individuals may experience respiratory symptoms.Children and people with asthma are the groups most at risk.
03:0019GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
03:0054ModeratePM2.5PM 2.5Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.People with respiratory or heart disease, the elderly and children are the groups most at risk.
02:0064ModerateOzoneOzoneUnusually sensitive individuals may experience respiratory symptoms.Children and people with asthma are the groups most at risk.
02:0019GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
02:0053ModeratePM2.5PM 2.5Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.People with respiratory or heart disease, the elderly and children are the groups most at risk.
01:0064ModerateOzoneOzoneUnusually sensitive individuals may experience respiratory symptoms.Children and people with asthma are the groups most at risk.
01:0019GoodPM10PM10NonePeople with respiratory disease are the group most at risk.
01:0053ModeratePM2.5PM 2.5Respiratory symptoms possible in unusually sensitive individuals, possible aggravation of heart or lung disease in people with cardiopulmonary disease and older adults.People with respiratory or heart disease, the elderly and children are the groups most at risk.
00:0064ModerateOzoneOzoneUnusually sensitive individuals may experience respiratory symptoms.Children and people with asthma are the groups most at risk.
00:0019GoodPM10PM10NonePeople with respiratory disease are the group most at risk.