Hourly Weather | Today Wednesday, August 5, 2026
Baltimore, Maryland
4 AM
Stormy Weather
75°
Feels Like 79°
43
Humidity: 87%
UV Index: 0
Wind: 2 mph
5 AM
Stormy Weather
75°
Feels Like 77°
42
Humidity: 89%
UV Index: 0
Wind: 2 mph
6 AM
Cloudy Weather
73°
Feels Like 79°
39
Humidity: 90%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
73°
Feels Like 79°
42
Humidity: 90%
UV Index: 0
Wind: 4 mph
8 AM
Sunny with a Chance of Thunderstorms
75°
Feels Like 77°
51
Humidity: 88%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
75°
Feels Like 82°
47
Humidity: 85%
UV Index: 1
Wind: 5 mph
10 AM
Cloudy Weather
75°
Feels Like 84°
43
Humidity: 81%
UV Index: 2
Wind: 5 mph
11 AM
Cloudy Weather
79°
Feels Like 88°
43
Humidity: 78%
UV Index: 3
Wind: 5 mph
12 PM
Cloudy Weather
81°
Feels Like 91°
47
Humidity: 75%
UV Index: 4
Wind: 5 mph
1 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 88°
51
Humidity: 85%
UV Index: 3
Wind: 5 mph
2 PM
Sunny with a Chance of Thunderstorms
79°
Feels Like 90°
54
Humidity: 86%
UV Index: 3
Wind: 5 mph
3 PM
Cloudy Weather
82°
Feels Like 95°
49
Humidity: 79%
UV Index: 3
Wind: 5 mph
4 PM
Cloudy Weather
84°
Feels Like 99°
45
Humidity: 75%
UV Index: 2
Wind: 5 mph
5 PM
Cloudy Weather
84°
Feels Like 97°
43
Humidity: 78%
UV Index: 1
Wind: 6 mph
6 PM
Cloudy Weather
84°
Feels Like 95°
47
Humidity: 80%
UV Index: 1
Wind: 5 mph
7 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 90°
51
Humidity: 81%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Weather
81°
Feels Like 90°
47
Humidity: 82%
UV Index: 0
Wind: 2 mph
9 PM
Cloudy Weather
79°
Feels Like 86°
47
Humidity: 83%
UV Index: 0
Wind: 2 mph
10 PM
Stormy Weather
79°
Feels Like 82°
51
Humidity: 83%
UV Index: 0
Wind: 2 mph
11 PM
Cloudy Weather
79°
Feels Like 86°
40
Humidity: 84%
UV Index: 0
Wind: 2 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.92 µg/m³
  • PM10: 6.31 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

5 AM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.4 µg/m³
  • PM10: 5.75 µg/m³
  • O3: 0.008 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.84 µg/m³
  • PM10: 5.16 µg/m³
  • O3: 0.007 ppm
  • NO2: 1.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

7 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.29 µg/m³
  • PM10: 4.62 µg/m³
  • O3: 0.006 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 AM
16 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.77 µg/m³
  • PM10: 4.11 µg/m³
  • O3: 0.004 ppm
  • NO2: 3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

9 AM
14 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 3.63 µg/m³
  • O3: 0.004 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 AM
12 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.005 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.73 µg/m³
  • PM10: 3.09 µg/m³
  • O3: 0.008 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

12 PM
14 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.8 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.27 µg/m³
  • PM10: 3.6 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.77 µg/m³
  • PM10: 4.1 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.79 µg/m³
  • PM10: 4.08 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.85 µg/m³
  • PM10: 4.12 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.12 µg/m³
  • PM10: 4.4 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.34 µg/m³
  • PM10: 4.65 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 4.76 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.24 µg/m³
  • PM10: 4.66 µg/m³
  • O3: 0.023 ppm
  • NO2: 3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.01 µg/m³
  • PM10: 4.49 µg/m³
  • O3: 0.020 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 PM
16 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.76 µg/m³
  • PM10: 4.28 µg/m³
  • O3: 0.017 ppm
  • NO2: 3.2 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
14 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.46 µg/m³
  • PM10: 3.97 µg/m³
  • O3: 0.015 ppm
  • NO2: 3.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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