5 PM
43°
Feels Like
34°
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
3.72 µg/m³
- PM10:
4.11 µg/m³
- O3:
0.048 ppm
- NO2:
2.1 ppb
- SO2:
0.6 ppb
- CO:
0.15 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.01 µg/m³
- PM10:
4.49 µg/m³
- O3:
0.046 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.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.37 µg/m³
- PM10:
5.01 µg/m³
- O3:
0.045 ppm
- NO2:
3.2 ppb
- SO2:
0.6 ppb
- CO:
0.15 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.82 µg/m³
- PM10:
5.7 µg/m³
- O3:
0.044 ppm
- NO2:
4.3 ppb
- SO2:
0.7 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.54 µg/m³
- PM10:
6.69 µg/m³
- O3:
0.043 ppm
- NO2:
4.6 ppb
- SO2:
0.7 ppb
- CO:
0.18 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
7.13 µg/m³
- PM10:
8.57 µg/m³
- O3:
0.044 ppm
- NO2:
4.7 ppb
- SO2:
0.8 ppb
- CO:
0.19 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
10.22 µg/m³
- PM10:
11.87 µg/m³
- O3:
0.045 ppm
- NO2:
4.7 ppb
- SO2:
0.9 ppb
- CO:
0.20 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
15.44 µg/m³
- PM10:
17.21 µg/m³
- O3:
0.048 ppm
- NO2:
4.6 ppb
- SO2:
0.9 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.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
22.53 µg/m³
- PM10:
24.38 µg/m³
- O3:
0.055 ppm
- NO2:
4.6 ppb
- SO2:
0.9 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.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
28.63 µg/m³
- PM10:
30.57 µg/m³
- O3:
0.061 ppm
- NO2:
4.5 ppb
- SO2:
0.9 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.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
32.55 µg/m³
- PM10:
34.57 µg/m³
- O3:
0.065 ppm
- NO2:
4.7 ppb
- SO2:
0.9 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.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
34.84 µg/m³
- PM10:
36.98 µg/m³
- O3:
0.066 ppm
- NO2:
5.7 ppb
- SO2:
0.8 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.
Unhealthy air quality for sensitive groups
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
35.95 µg/m³
- PM10:
38.19 µg/m³
- O3:
0.063 ppm
- NO2:
7.7 ppb
- SO2:
0.7 ppb
- CO:
0.24 ppm
Health Recommendations:
Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Unhealthy air quality for sensitive groups
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
35.78 µg/m³
- PM10:
38.08 µg/m³
- O3:
0.058 ppm
- NO2:
10.2 ppb
- SO2:
0.6 ppb
- CO:
0.25 ppm
Health Recommendations:
Members of sensitive groups may experience health effects. The general public is less likely to be affected.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
34.29 µg/m³
- PM10:
36.33 µg/m³
- O3:
0.053 ppm
- NO2:
11.2 ppb
- SO2:
0.4 ppb
- CO:
0.27 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
33.17 µg/m³
- PM10:
34.99 µg/m³
- O3:
0.047 ppm
- NO2:
11.3 ppb
- SO2:
0.3 ppb
- CO:
0.28 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
32.71 µg/m³
- PM10:
34.44 µg/m³
- O3:
0.042 ppm
- NO2:
11 ppb
- SO2:
0.3 ppb
- CO:
0.28 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Moderate air quality
Dominant pollutant:
PM2.5
Details
Pollutant Concentrations:
- PM2.5:
32.1 µg/m³
- PM10:
33.73 µg/m³
- O3:
0.039 ppm
- NO2:
10.4 ppb
- SO2:
0.3 ppb
- CO:
0.28 ppm
Health Recommendations:
Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.
Weather Alerts and Warnings for Duluth
Moderate
Expected
Observed
Special Weather Statement
Special Weather Statement issued March 18 at 4:44AM CDT by NWS Duluth MN
Mar 18, 4:44 AM
→ Mar 18, 9:00 AM
At 430 AM CDT...light to very light freezing drizzle was reported
over much of northeast Minnesota. Freezing drizzle is forecast to
move into northwest Wisconsin and the Arrowhead by 7 AM.
A thin glaze of ice is expected with the freezing drizzle. Ice
accumulation is expected to be greatest on lightly traveled roads
and on sidewalks which were cleared of snow last evening.
Use caution while walking or traveling this morning. Be prepared
for slippery stretches on roads and bridges.
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