Hourly Weather | Today Wednesday, April 29, 2026
Towson, Maryland
4 AM
Cloudy Weather
48°
Feels Like 46°
0
Humidity: 89%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Weather
46°
Feels Like 45°
0
Humidity: 93%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
48°
Feels Like 46°
0
Humidity: 90%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
50°
Feels Like 48°
2
Humidity: 84%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
52°
Feels Like 50°
7
Humidity: 79%
UV Index: 0
Wind: 7 mph
9 AM
Cloudy Weather
55°
Feels Like 54°
7
Humidity: 74%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
57°
Feels Like 55°
6
Humidity: 71%
UV Index: 1
Wind: 7 mph
11 AM
Cloudy Weather
59°
Feels Like 57°
5
Humidity: 69%
UV Index: 1
Wind: 8 mph
12 PM
Cloudy Weather
59°
Feels Like 59°
5
Humidity: 68%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
61°
Feels Like 61°
8
Humidity: 69%
UV Index: 2
Wind: 9 mph
2 PM
Cloudy Weather
61°
Feels Like 61°
46
Humidity: 72%
UV Index: 2
Wind: 11 mph
3 PM
Cloudy Weather
63°
Feels Like 61°
49
Humidity: 71%
UV Index: 2
Wind: 11 mph
4 PM
Stormy Weather
61°
Feels Like 55°
54
Humidity: 75%
UV Index: 1
Wind: 9 mph
5 PM
Cloudy Weather
61°
Feels Like 59°
22
Humidity: 78%
UV Index: 1
Wind: 9 mph
6 PM
Cloudy Weather
59°
Feels Like 57°
17
Humidity: 82%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Weather
59°
Feels Like 55°
22
Humidity: 86%
UV Index: 0
Wind: 9 mph
8 PM
Stormy Weather
57°
Feels Like 52°
64
Humidity: 89%
UV Index: 0
Wind: 8 mph
9 PM
Stormy Weather
57°
Feels Like 52°
64
Humidity: 92%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
55°
Feels Like 52°
49
Humidity: 96%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
55°
Feels Like 52°
34
Humidity: 95%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.34 µg/m³
  • PM10: 5.8 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.4 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 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.2 µg/m³
  • PM10: 5.74 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

6 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.03 µg/m³
  • PM10: 5.66 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.87 µg/m³
  • PM10: 5.69 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

8 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.74 µg/m³
  • PM10: 5.81 µg/m³
  • O3: 0.028 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.

9 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.53 µg/m³
  • PM10: 5.51 µg/m³
  • O3: 0.029 ppm
  • NO2: 3.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.31 µg/m³
  • PM10: 4.88 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

11 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.23 µg/m³
  • PM10: 4.59 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.45 µg/m³
  • PM10: 4.64 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.69 µg/m³
  • PM10: 4.56 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.2 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
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.92 µg/m³
  • PM10: 4.5 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.09 µg/m³
  • PM10: 4.47 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.06 µg/m³
  • PM10: 4.36 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.82 µg/m³
  • PM10: 4.08 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.54 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.31 µg/m³
  • PM10: 3.62 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 3.64 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.34 µg/m³
  • PM10: 3.71 µg/m³
  • O3: 0.015 ppm
  • NO2: 3.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.44 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.014 ppm
  • NO2: 2.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 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: 3.4 µg/m³
  • PM10: 3.81 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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