Hourly Weather | Today Monday, September 14, 2026
Baltimore, Maryland
1 PM
Cloudy Weather
79°
Feels Like 81°
0
Humidity: 41%
UV Index: 6
Wind: 16 mph
2 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 38%
UV Index: 5
Wind: 16 mph
3 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 36%
UV Index: 4
Wind: 16 mph
4 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 36%
UV Index: 3
Wind: 16 mph
5 PM
Cloudy Weather
79°
Feels Like 75°
0
Humidity: 37%
UV Index: 2
Wind: 16 mph
6 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 39%
UV Index: 1
Wind: 15 mph
7 PM
Cloudy Weather
73°
Feels Like 70°
0
Humidity: 44%
UV Index: 0
Wind: 14 mph
8 PM
Night
72°
Feels Like 68°
0
Humidity: 48%
UV Index: 0
Wind: 8 mph
9 PM
Night
68°
Feels Like 64°
0
Humidity: 54%
UV Index: 0
Wind: 7 mph
10 PM
Night
64°
Feels Like 63°
0
Humidity: 59%
UV Index: 0
Wind: 7 mph
11 PM
Night
63°
Feels Like 61°
0
Humidity: 64%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.89 µg/m³
  • PM10: 6.34 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

2 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.44 µg/m³
  • PM10: 5.87 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

3 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.58 µg/m³
  • PM10: 4.96 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.93 µg/m³
  • PM10: 4.3 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.52 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 3.74 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.18 µg/m³
  • PM10: 3.82 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.14 µg/m³
  • PM10: 3.98 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.2 µg/m³
  • PM10: 4.27 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.44 µg/m³
  • PM10: 4.75 µg/m³
  • O3: 0.032 ppm
  • NO2: 5.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.67 µg/m³
  • PM10: 5.17 µg/m³
  • O3: 0.029 ppm
  • NO2: 5.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.21 ppm

Health Recommendations:

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