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Air Quality
Baltimore County • 3 daysGood
Moderate
Sensitive groups
Unhealthy
Very unhealthy
Hazardous
Today 26/09
😊
Good AQI 18 / 300
PM2.5
4.2 µg/m³
PM10
4.3 µg/m³
Ozone (O₃)
80.0 µg/m³
Nitrogen dioxide (NO₂)
3.3 µg/m³
Sulfur dioxide (SO₂)
1.0 µg/m³
Carbon monoxide (CO)
142.0 µg/m³
Tomorrow 27/09
😊
Good AQI 12 / 300
PM2.5
2.8 µg/m³
PM10
2.9 µg/m³
Ozone (O₃)
57.0 µg/m³
Nitrogen dioxide (NO₂)
5.2 µg/m³
Sulfur dioxide (SO₂)
0.9 µg/m³
Carbon monoxide (CO)
132.2 µg/m³
Mon 28/09
😊
Good AQI 17 / 300
PM2.5
4.0 µg/m³
PM10
4.0 µg/m³
Ozone (O₃)
42.7 µg/m³
Nitrogen dioxide (NO₂)
11.5 µg/m³
Sulfur dioxide (SO₂)
1.1 µg/m³
Carbon monoxide (CO)
182.4 µg/m³
Nearby counties
MarylandCities near Baltimore County
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Air quality in Baltimore County (MD)
Air quality in Baltimore County (Maryland) with up-to-date data for today, tomorrow and the day after: air quality index (AQI), fine particulate matter PM2.5 and PM10, ozone (O₃), nitrogen dioxide (NO₂), sulfur dioxide (SO₂) and carbon monoxide (CO). Find out whether the air is Good, Moderate, Unhealthy or Hazardous and make safer decisions for outdoor activities.
