Hourly Weather | Today Tuesday, March 17, 2026
Lancaster, California
1 AM
Cloudy Night
61°
Feels Like 57°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph
2 AM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 61%
UV Index: 0
Wind: 6 mph
3 AM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 64%
UV Index: 0
Wind: 6 mph
4 AM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 65%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 66%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 69%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
48°
Feels Like 46°
0
Humidity: 75%
UV Index: 0
Wind: 5 mph
8 AM
Sunny Weather
54°
Feels Like 55°
0
Humidity: 60%
UV Index: 1
Wind: 5 mph
9 AM
Sunny Weather
61°
Feels Like 64°
0
Humidity: 48%
UV Index: 2
Wind: 5 mph
10 AM
Sunny Weather
70°
Feels Like 72°
0
Humidity: 36%
UV Index: 3
Wind: 6 mph
11 AM
Sunny Weather
75°
Feels Like 81°
0
Humidity: 29%
UV Index: 5
Wind: 6 mph
12 PM
Sunny Weather
82°
Feels Like 88°
0
Humidity: 23%
UV Index: 6
Wind: 6 mph
1 PM
Sunny Weather
86°
Feels Like 91°
0
Humidity: 18%
UV Index: 6
Wind: 6 mph
2 PM
Sunny Weather
90°
Feels Like 93°
0
Humidity: 16%
UV Index: 6
Wind: 6 mph
3 PM
Sunny Weather
91°
Feels Like 95°
0
Humidity: 14%
UV Index: 5
Wind: 7 mph
4 PM
Sunny Weather
95°
Feels Like 97°
0
Humidity: 12%
UV Index: 3
Wind: 8 mph
5 PM
Sunny Weather
93°
Feels Like 93°
0
Humidity: 13%
UV Index: 2
Wind: 8 mph
6 PM
Sunny Weather
90°
Feels Like 88°
0
Humidity: 16%
UV Index: 1
Wind: 8 mph
7 PM
Sunny Weather
84°
Feels Like 82°
0
Humidity: 21%
UV Index: 0
Wind: 9 mph
8 PM
Night
79°
Feels Like 75°
0
Humidity: 29%
UV Index: 0
Wind: 9 mph
9 PM
Night
73°
Feels Like 72°
0
Humidity: 37%
UV Index: 0
Wind: 9 mph
10 PM
Night
70°
Feels Like 66°
0
Humidity: 44%
UV Index: 0
Wind: 9 mph
11 PM
Night
66°
Feels Like 64°
0
Humidity: 50%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.93 µg/m³
  • PM10: 19.89 µg/m³
  • O3: 0.044 ppm
  • NO2: 4 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

2 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.51 µg/m³
  • PM10: 19.5 µg/m³
  • O3: 0.041 ppm
  • NO2: 4.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

3 AM
55 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.44 µg/m³
  • PM10: 19.52 µg/m³
  • O3: 0.038 ppm
  • NO2: 4.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

4 AM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.59 µg/m³
  • PM10: 19.86 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

5 AM
57 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.09 µg/m³
  • PM10: 20.52 µg/m³
  • O3: 0.031 ppm
  • NO2: 5.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

6 AM
60 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.58 µg/m³
  • PM10: 22.48 µg/m³
  • O3: 0.027 ppm
  • NO2: 7.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.26 ppm

Health Recommendations:

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

7 AM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.66 µg/m³
  • PM10: 25.22 µg/m³
  • O3: 0.023 ppm
  • NO2: 9.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

8 AM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.57 µg/m³
  • PM10: 27.72 µg/m³
  • O3: 0.020 ppm
  • NO2: 11.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.33 ppm

Health Recommendations:

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

9 AM
74 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.22 µg/m³
  • PM10: 31.24 µg/m³
  • O3: 0.022 ppm
  • NO2: 12.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.36 ppm

Health Recommendations:

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

10 AM
82 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 27.07 µg/m³
  • PM10: 36.03 µg/m³
  • O3: 0.026 ppm
  • NO2: 13.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.40 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 32.48 µg/m³
  • PM10: 42.07 µg/m³
  • O3: 0.033 ppm
  • NO2: 14 ppb
  • SO2: 0.9 ppb
  • CO: 0.43 ppm

Health Recommendations:

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

12 PM
110 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 39.34 µg/m³
  • PM10: 49.02 µg/m³
  • O3: 0.045 ppm
  • NO2: 13.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.43 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

1 PM
129 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 46.92 µg/m³
  • PM10: 56.21 µg/m³
  • O3: 0.061 ppm
  • NO2: 9.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.41 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

2 PM
142 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 52.36 µg/m³
  • PM10: 61.12 µg/m³
  • O3: 0.077 ppm
  • NO2: 5.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.37 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

3 PM
150 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 49.74 µg/m³
  • PM10: 58.01 µg/m³
  • O3: 0.085 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.31 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

4 PM
136 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 41.55 µg/m³
  • PM10: 49.62 µg/m³
  • O3: 0.081 ppm
  • NO2: 1 ppb
  • SO2: 0.5 ppb
  • CO: 0.25 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

5 PM
102 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 34.65 µg/m³
  • PM10: 42.71 µg/m³
  • O3: 0.071 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

Members of sensitive groups may experience health effects. The general public is less likely to be affected.

6 PM
89 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 30.03 µg/m³
  • PM10: 37.75 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 27.39 µg/m³
  • PM10: 34.82 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 26.05 µg/m³
  • PM10: 33.2 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 25.12 µg/m³
  • PM10: 31.78 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 24.9 µg/m³
  • PM10: 31.41 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 24.92 µg/m³
  • PM10: 31.63 µg/m³
  • O3: 0.047 ppm
  • NO2: 4 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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