Hourly Weather | Today Wednesday, July 15, 2026
Active Weather Warnings
Baltimore, Maryland
11 PM
Cloudy Night
86°
Feels Like 90°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.62 µg/m³
  • PM10: 11.01 µg/m³
  • O3: 0.036 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Baltimore

Air Quality Alert

Air Quality Alert issued July 14 at 4:40PM EDT by NWS Baltimore MD/Washington DC
Jul 14, 4:40 PM Jul 16, 12:00 AM
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Wednesday for
the Baltimore City Metro and Annapolis region.

A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone
and fine particles visit the web site
mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx
Updated: Jul 15, 9:44 PM Source: NWS Alert