Hourly Weather | Today Wednesday, August 12, 2026
Towson, Maryland
9 AM
Cloudy Weather
73°
Feels Like 81°
0
Humidity: 79%
UV Index: 3
Wind: 4 mph
10 AM
Cloudy Weather
77°
Feels Like 86°
0
Humidity: 72%
UV Index: 4
Wind: 4 mph
11 AM
Cloudy Weather
79°
Feels Like 90°
0
Humidity: 65%
UV Index: 6
Wind: 4 mph
12 PM
Cloudy Weather
81°
Feels Like 93°
0
Humidity: 60%
UV Index: 8
Wind: 4 mph
1 PM
Cloudy Weather
82°
Feels Like 95°
0
Humidity: 56%
UV Index: 9
Wind: 6 mph
2 PM
Cloudy Weather
84°
Feels Like 95°
0
Humidity: 55%
UV Index: 8
Wind: 6 mph
3 PM
Cloudy Weather
84°
Feels Like 93°
0
Humidity: 53%
UV Index: 6
Wind: 6 mph
4 PM
Cloudy Weather
86°
Feels Like 91°
0
Humidity: 51%
UV Index: 4
Wind: 7 mph
5 PM
Cloudy Weather
84°
Feels Like 88°
0
Humidity: 54%
UV Index: 3
Wind: 7 mph
6 PM
Cloudy Weather
84°
Feels Like 86°
0
Humidity: 56%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 61%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Weather
81°
Feels Like 82°
7
Humidity: 67%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
77°
Feels Like 79°
7
Humidity: 74%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
75°
Feels Like 77°
7
Humidity: 82%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
75°
Feels Like 77°
7
Humidity: 85%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.35 µg/m³
  • PM10: 4.81 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.75 µg/m³
  • PM10: 5.24 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.6 µg/m³
  • PM10: 6.11 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.06 µg/m³
  • PM10: 6.46 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.15 µg/m³
  • PM10: 6.46 µg/m³
  • O3: 0.044 ppm
  • NO2: 1 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.21 µg/m³
  • PM10: 6.5 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.69 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.87 µg/m³
  • PM10: 5.09 µg/m³
  • O3: 0.047 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.21 µg/m³
  • PM10: 4.41 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.96 µg/m³
  • PM10: 4.21 µg/m³
  • O3: 0.040 ppm
  • NO2: 2 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4 µg/m³
  • PM10: 4.36 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.95 µg/m³
  • PM10: 4.41 µg/m³
  • O3: 0.025 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 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: 3.88 µg/m³
  • PM10: 4.42 µg/m³
  • O3: 0.021 ppm
  • NO2: 3.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 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: 3.89 µg/m³
  • PM10: 4.46 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.91 µg/m³
  • PM10: 4.44 µg/m³
  • O3: 0.016 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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