Hourly Weather | Today Wednesday, December 24, 2025
Lancaster, Pennsylvania
3 PM
Cloudy Weather
48°
Feels Like 43°
0
Humidity: 43%
Wind: 12 mph
UV Index: 1
4 PM
Cloudy Weather
46°
Feels Like 39°
0
Humidity: 48%
Wind: 11 mph
UV Index: 1
5 PM
Cloudy Night
43°
Feels Like 37°
0
Humidity: 55%
Wind: 8 mph
UV Index: 0
6 PM
Cloudy Night
39°
Feels Like 34°
0
Humidity: 61%
Wind: 8 mph
UV Index: 0
7 PM
Cloudy Night
36°
Feels Like 32°
0
Humidity: 71%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
34°
Feels Like 32°
0
Humidity: 77%
Wind: 4 mph
UV Index: 0
9 PM
Cloudy Night
30°
Feels Like 30°
0
Humidity: 87%
Wind: 4 mph
UV Index: 0
10 PM
Cloudy Night
30°
Feels Like 30°
0
Humidity: 87%
Wind: 4 mph
UV Index: 0
11 PM
Cloudy Night
28°
Feels Like 28°
0
Humidity: 97%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.28 µg/m³
  • PM10: 5.13 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.53 µg/m³
  • PM10: 5.77 µg/m³
  • O3: 0.032 ppm
  • NO2: 7.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.37 µg/m³
  • PM10: 8.81 µg/m³
  • O3: 0.021 ppm
  • NO2: 17.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

6 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.1 µg/m³
  • PM10: 14.5 µg/m³
  • O3: 0.006 ppm
  • NO2: 30.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.37 ppm

Health Recommendations:

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

7 PM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.8 µg/m³
  • PM10: 21.58 µg/m³
  • O3: 0.001 ppm
  • NO2: 33.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.48 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.75 µg/m³
  • PM10: 28.92 µg/m³
  • O3: 0.000 ppm
  • NO2: 34.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.56 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
73 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.85 µg/m³
  • PM10: 34.79 µg/m³
  • O3: 0.000 ppm
  • NO2: 34.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.61 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
81 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 26.47 µg/m³
  • PM10: 39.67 µg/m³
  • O3: 0.000 ppm
  • NO2: 34.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.65 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
84 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 28.13 µg/m³
  • PM10: 41.48 µg/m³
  • O3: 0.000 ppm
  • NO2: 34.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.67 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.