Hourly Weather | Today Friday, June 5, 2026
Active Weather Warnings
Baltimore, Maryland
3 PM
Cloudy Weather
91°
Feels Like 97°
0
Humidity: 26%
UV Index: 7
Wind: 8 mph
4 PM
Cloudy Weather
93°
Feels Like 95°
0
Humidity: 26%
UV Index: 5
Wind: 8 mph
5 PM
Cloudy Weather
91°
Feels Like 93°
0
Humidity: 27%
UV Index: 3
Wind: 8 mph
6 PM
Sunny Weather
90°
Feels Like 90°
0
Humidity: 30%
UV Index: 2
Wind: 8 mph
7 PM
Sunny Weather
88°
Feels Like 88°
0
Humidity: 33%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Weather
86°
Feels Like 84°
0
Humidity: 37%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 45%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
79°
Feels Like 77°
0
Humidity: 53%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
75°
Feels Like 73°
0
Humidity: 60%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
86 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.54 µg/m³
  • PM10: 10.35 µg/m³
  • O3: 0.065 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
81 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.63 µg/m³
  • PM10: 9.39 µg/m³
  • O3: 0.064 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
77 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.76 µg/m³
  • PM10: 8.48 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.37 µg/m³
  • PM10: 8.1 µg/m³
  • O3: 0.058 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.22 µg/m³
  • PM10: 7.98 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

8 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.14 µg/m³
  • PM10: 7.94 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 PM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.18 µg/m³
  • PM10: 8.03 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

10 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.55 µg/m³
  • PM10: 8.46 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

11 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.06 µg/m³
  • PM10: 9.02 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 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 June 4 at 4:40PM EDT by NWS Baltimore MD/Washington DC
Jun 4, 4:40 PM Jun 6, 12:00 AM
The Maryland Department of the Environment has issued a Code
ORANGE Air Quality Alert Friday 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: Jun 5, 12:54 PM Source: NWS Alert