St. Louis, MO Air Quality | Current Conditions | NWS Alerts | Maps | Buoy Reports

Reporting Station : St. Louis Downtown-Parks Airport, IL

There are

20 Weather Alerts for your area.

79°F

Sunny. Warm.

Current Time : 3:53 PM CDT

Nearest / Estimated

Add this page to your home screen for instant access.
Tap and then to Add to home screen

Rise 5:51AM

Set 8:22PM

Waxing gibbous

Rise6:32PM

Set2:34AM

THURSDAY AFTERNOON

STL / No delays

Air Quality Observations

Air Quality Forecast

Saint Louis

Date	Pollutant	Concentration	Category
16 Jul	Particulates smaller than 2.5 microns	50 ppb	Good
17 Jul	Particulates smaller than 2.5 microns	51 ppb	Moderate
18 Jul	Ozone	n/a	Moderate
19 Jul	Ozone	n/a	Moderate
20 Jul	Ozone	n/a	Moderate
21 Jul	Ozone	n/a	Moderate
22 Jul	Ozone	n/a	Moderate

St. Louis (Metro-east)

Date	Pollutant	Concentration	Category
16 Jul	Particulates smaller than 2.5 microns	44 ppb	Good
17 Jul	Particulates smaller than 2.5 microns	52 ppb	Moderate
18 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
19 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
20 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
21 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
22 Jul	Particulates smaller than 2.5 microns	n/a	Moderate

Bonne Terre

Date	Pollutant	Concentration	Category
16 Jul	Ozone	38 ppb	Good
17 Jul	Ozone	39 ppb	Good
18 Jul	Ozone	n/a	Good
19 Jul	Ozone	n/a	Good
20 Jul	Ozone	n/a	Good
21 Jul	Ozone	n/a	Good
22 Jul	Ozone	n/a	Good

Farrar

Date	Pollutant	Concentration	Category
16 Jul	Ozone	34 ppb	Good
17 Jul	Ozone	35 ppb	Good
18 Jul	Ozone	n/a	Good
19 Jul	Ozone	n/a	Good
20 Jul	Ozone	n/a	Good
21 Jul	Ozone	n/a	Good
22 Jul	Ozone	n/a	Good