Hourly Weather | Today Tuesday, August 25, 2026
Baltimore, Maryland
9 AM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 69%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 62%
UV Index: 4
Wind: 7 mph
11 AM
Cloudy Weather
73°
Feels Like 79°
0
Humidity: 55%
UV Index: 5
Wind: 7 mph
12 PM
Cloudy Weather
75°
Feels Like 82°
0
Humidity: 52%
UV Index: 7
Wind: 8 mph
1 PM
Cloudy Weather
79°
Feels Like 84°
0
Humidity: 49%
UV Index: 8
Wind: 8 mph
2 PM
Cloudy Weather
81°
Feels Like 84°
0
Humidity: 47%
UV Index: 7
Wind: 8 mph
3 PM
Cloudy Weather
81°
Feels Like 84°
0
Humidity: 47%
UV Index: 5
Wind: 8 mph
4 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 46%
UV Index: 4
Wind: 8 mph
5 PM
Cloudy Weather
79°
Feels Like 81°
0
Humidity: 50%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 51%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
77°
Feels Like 75°
0
Humidity: 54%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Night
75°
Feels Like 73°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 66%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 81%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.57 µg/m³
  • PM10: 4.51 µg/m³
  • O3: 0.012 ppm
  • NO2: 3.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.63 µg/m³
  • PM10: 4.63 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.07 µg/m³
  • PM10: 5.08 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.7 µg/m³
  • PM10: 5.27 µg/m³
  • O3: 0.043 ppm
  • NO2: 1 ppb
  • SO2: 1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.71 µg/m³
  • PM10: 5.13 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 5.25 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 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: 5.1 µg/m³
  • PM10: 5.5 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.24 µg/m³
  • PM10: 5.67 µg/m³
  • O3: 0.046 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.32 µg/m³
  • PM10: 5.78 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.57 µg/m³
  • PM10: 6.13 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.9 µg/m³
  • PM10: 6.64 µg/m³
  • O3: 0.028 ppm
  • NO2: 4.5 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
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.21 µg/m³
  • PM10: 7.14 µg/m³
  • O3: 0.021 ppm
  • NO2: 5.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.43 µg/m³
  • PM10: 7.54 µg/m³
  • O3: 0.017 ppm
  • NO2: 6.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.71 µg/m³
  • PM10: 8.01 µg/m³
  • O3: 0.015 ppm
  • NO2: 6.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.99 µg/m³
  • PM10: 8.44 µg/m³
  • O3: 0.014 ppm
  • NO2: 7.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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