Hourly Weather | Today Thursday, February 26, 2026
Flagstaff, Arizona
4 AM
Night
37°
Feels Like 34°
0
Humidity: 83%
UV Index: 0
Wind: 7 mph
5 AM
Cloudy Night
37°
Feels Like 34°
0
Humidity: 83%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
37°
Feels Like 34°
0
Humidity: 83%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
39°
Feels Like 37°
0
Humidity: 80%
UV Index: 1
Wind: 7 mph
8 AM
Cloudy Weather
41°
Feels Like 41°
0
Humidity: 75%
UV Index: 2
Wind: 7 mph
9 AM
Cloudy Weather
46°
Feels Like 48°
0
Humidity: 64%
UV Index: 3
Wind: 7 mph
10 AM
Cloudy Weather
55°
Feels Like 61°
0
Humidity: 46%
UV Index: 4
Wind: 7 mph
11 AM
Cloudy Weather
61°
Feels Like 66°
0
Humidity: 37%
UV Index: 5
Wind: 7 mph
12 PM
Cloudy Weather
64°
Feels Like 70°
0
Humidity: 32%
UV Index: 5
Wind: 8 mph
1 PM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 29%
UV Index: 5
Wind: 8 mph
2 PM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 27%
UV Index: 4
Wind: 9 mph
3 PM
Cloudy Weather
68°
Feels Like 68°
0
Humidity: 25%
UV Index: 3
Wind: 9 mph
4 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 27%
UV Index: 2
Wind: 10 mph
5 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 28%
UV Index: 1
Wind: 10 mph
6 PM
Cloudy Weather
61°
Feels Like 57°
0
Humidity: 32%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 42%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
50°
Feels Like 48°
0
Humidity: 50%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 58%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
43°
Feels Like 43°
0
Humidity: 63%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
41°
Feels Like 41°
0
Humidity: 67%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.29 µg/m³
  • PM10: 19.38 µg/m³
  • O3: 0.020 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.26 µg/m³
  • PM10: 18.96 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

6 AM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.27 µg/m³
  • PM10: 18.54 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

7 AM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.4 µg/m³
  • PM10: 18.37 µg/m³
  • O3: 0.017 ppm
  • NO2: 4.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 AM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.65 µg/m³
  • PM10: 18.43 µg/m³
  • O3: 0.015 ppm
  • NO2: 5.5 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 AM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.86 µg/m³
  • PM10: 18.55 µg/m³
  • O3: 0.015 ppm
  • NO2: 4.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.12 µg/m³
  • PM10: 18.93 µg/m³
  • O3: 0.017 ppm
  • NO2: 4.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

11 AM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.7 µg/m³
  • PM10: 20.1 µg/m³
  • O3: 0.020 ppm
  • NO2: 4.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.19 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.48 µg/m³
  • PM10: 21.68 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.14 µg/m³
  • PM10: 21.87 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

2 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.86 µg/m³
  • PM10: 22.15 µg/m³
  • O3: 0.055 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

3 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.34 µg/m³
  • PM10: 20.3 µg/m³
  • O3: 0.056 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.01 µg/m³
  • PM10: 19.11 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.39 µg/m³
  • PM10: 18.02 µg/m³
  • O3: 0.052 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.3 µg/m³
  • PM10: 16.39 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.18 µg/m³
  • PM10: 14.73 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.16 µg/m³
  • PM10: 13.22 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 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: 5.5 µg/m³
  • PM10: 12.15 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.14 µg/m³
  • PM10: 11.4 µg/m³
  • O3: 0.033 ppm
  • NO2: 3.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 10.36 µg/m³
  • O3: 0.029 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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