Hourly Weather | Today Wednesday, March 18, 2026
Grand Island, Nebraska
4 AM
Night
37°
Feels Like 36°
0
Humidity: 60%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
37°
Feels Like 30°
0
Humidity: 71%
UV Index: 0
Wind: 9 mph
6 AM
Cloudy Night
37°
Feels Like 30°
0
Humidity: 75%
UV Index: 0
Wind: 9 mph
7 AM
Cloudy Night
37°
Feels Like 30°
0
Humidity: 80%
UV Index: 0
Wind: 9 mph
8 AM
Sunny Weather
39°
Feels Like 34°
0
Humidity: 73%
UV Index: 1
Wind: 9 mph
9 AM
Sunny Weather
46°
Feels Like 45°
0
Humidity: 60%
UV Index: 2
Wind: 8 mph
10 AM
Sunny Weather
54°
Feels Like 54°
0
Humidity: 52%
UV Index: 3
Wind: 9 mph
11 AM
Sunny Weather
61°
Feels Like 63°
0
Humidity: 41%
UV Index: 4
Wind: 9 mph
12 PM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 33%
UV Index: 5
Wind: 11 mph
1 PM
Cloudy Weather
72°
Feels Like 73°
0
Humidity: 28%
UV Index: 5
Wind: 12 mph
2 PM
Cloudy Weather
75°
Feels Like 77°
0
Humidity: 24%
UV Index: 5
Wind: 12 mph
3 PM
Cloudy Weather
77°
Feels Like 79°
0
Humidity: 22%
UV Index: 4
Wind: 12 mph
4 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 21%
UV Index: 3
Wind: 12 mph
5 PM
Cloudy Weather
79°
Feels Like 77°
0
Humidity: 22%
UV Index: 2
Wind: 11 mph
6 PM
Cloudy Weather
77°
Feels Like 75°
0
Humidity: 24%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
73°
Feels Like 70°
0
Humidity: 28%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
68°
Feels Like 64°
0
Humidity: 34%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 41%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
59°
Feels Like 57°
0
Humidity: 46%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 50%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 5.56 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.4 ppb
  • SO2: 0 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

5 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.83 µg/m³
  • PM10: 4.63 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.2 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 3.83 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.1 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.59 µg/m³
  • PM10: 3.17 µg/m³
  • O3: 0.017 ppm
  • NO2: 3.1 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.015 ppm
  • NO2: 3.2 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.016 ppm
  • NO2: 3 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.37 µg/m³
  • PM10: 1.9 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.13 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: 1.15 µg/m³
  • PM10: 1.73 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.19 µg/m³
  • PM10: 1.75 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.55 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 1.85 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 1.56 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 1.35 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 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: 0.93 µg/m³
  • PM10: 1.21 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 1.23 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.98 µg/m³
  • PM10: 1.33 µg/m³
  • O3: 0.041 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 1.47 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.19 µg/m³
  • PM10: 1.66 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 1.86 µg/m³
  • O3: 0.035 ppm
  • NO2: 2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.4 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.033 ppm
  • NO2: 2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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