St. Louis Weather Conditions and Forecast, September 19 am

St. Louis Weather Conditions and Forecast, September 19 am


St. Louis Weather Conditions and Forecast, September 19 am
St. Louis Weather Conditions and Forecast, September 19 am

St. Louis Weather Conditions at St. Louis Lambert International Airport and Air Quality Index for St. Louis

ST. LOUIS, MO/September 19, 2017 (STL.News) St. Louis weather conditions @ Lambert Airport – St. Louis International Airport at 4:51 a.m. CDT according to the National Weather Service – Latitude: 38.75°N – Longitude: 90.37°W – Elevation 604 feet.

Sky: A FEW CLOUDS
Temperature: 67°F – 19°C
Humidity: 100%
Wind Speed: CALM
Barometer: 29.94 in (1012.6 mb)
Dew-point: 67°F – 19°C
Visibility: 0.50 miles
Wind Chill: N/A°F – N/A°C
Heat Index: N/A°F – N/A°C

Extended Weather Forecast for St. Louis, MO – September 19th

Overnight: Widespread dense fog. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Tuesday: Widespread dense fog before 10am. Mostly sunny – high near 87. Light west wind.
Tuesday Night: Mostly clear – low around 75. Southeast wind 5 to 7 mph.
Wednesday: Sunny – high near 94. South wind 6 to 8 mph.
Wednesday Night: Mostly clear – low around 73. South wind 5 to 7 mph.
Thursday: Sunny – high near 93.
Thursday Night: Mostly clear – low around 72.
Friday: Sunny – high near 91.
Friday Night: Mostly clear – low around 70.
Saturday: Sunny – high near 89.
Saturday Night: Mostly clear – low around 68.
Sunday: Sunny – high near 87.
Sunday Night: Mostly clear – low around 67.
Monday: Mostly sunny – high near 86.

Air Quality Index for St. Louis, MO – (A.Q.I.)

Delayed Air Quality Index: 09/18/17 11:00 AM CDT

  • Moderate – 58 AQI – Particle Pollution (2.5 microns)
  • Good – 29 AQI – Ozone
  • Good – 15 AQI – Particle Pollution (10 microns)

Agency: St. Louis Metropolitan Area (American Lung Association)
Last Update: Mon, 18 Sep 2017 12:15:09 CDT

Air Quality Index

Good – Air quality in considered “satisfactory” and air pollution poses little to no threat.

Moderate – Air quality is considered “acceptable”. However, some pollutants there may be a moderate health concern for a very small number of people who are sensitive to air pollution.

USG – while the general public will not likely be affected by this AQI range, people with lung disease, older adults and children are a great risk from exposure to ozone, whereas, persons with heart and lung disease, old adults and children are at greater risk from the presence of particles in the air.

Unhealthy – Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.

Very Unhealthy – Health Alert: everyone may experience more serious health effects.

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Source: Weather from National Weather Service @ Forecast.Weather.Gov – AQI from AirNow.Gov – STL.News publisher, St. Louis Media, LLC

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