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

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

There are

34 Weather Alerts for your area.

77°F

Passing clouds. Warm.

Current Time : 10:50 PM CDT

Nearest / Estimated

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Rise 5:46AM

Set 8:26PM

Waxing crescent

Rise11:16AM

Set11:45PM

THURSDAY EVENING

STL / No delays

Air Quality Observations

Air Quality Forecast

Saint Louis

Date	Pollutant	Concentration	Category
10 Jul	Particulates smaller than 2.5 microns	49 ppb	Good
11 Jul	Particulates smaller than 2.5 microns	68 ppb	Moderate
12 Jul	Ozone	n/a	Unhealthy for Sensitive Groups
13 Jul	Ozone	n/a	Unhealthy for Sensitive Groups
14 Jul	Ozone	n/a	Unhealthy for Sensitive Groups
15 Jul	Ozone	n/a	Unhealthy for Sensitive Groups
16 Jul	Ozone	n/a	Unhealthy for Sensitive Groups

St. Louis (Metro-east)

Date	Pollutant	Concentration	Category
10 Jul	Particulates smaller than 2.5 microns	53 ppb	Moderate
11 Jul	Particulates smaller than 2.5 microns	62 ppb	Moderate
12 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
13 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
14 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
15 Jul	Particulates smaller than 2.5 microns	n/a	Moderate
16 Jul	Particulates smaller than 2.5 microns	n/a	Moderate

Bonne Terre

Date	Pollutant	Concentration	Category
10 Jul	Ozone	40 ppb	Good
11 Jul	Ozone	43 ppb	Good
12 Jul	Ozone	n/a	Good
13 Jul	Ozone	n/a	Good
14 Jul	Ozone	n/a	Good
15 Jul	Ozone	n/a	Good
16 Jul	Ozone	n/a	Good

Farrar

Date	Pollutant	Concentration	Category
10 Jul	Ozone	51 ppb	Moderate
11 Jul	Ozone	31 ppb	Good
12 Jul	Ozone	n/a	Good
13 Jul	Ozone	n/a	Good
14 Jul	Ozone	n/a	Good
15 Jul	Ozone	n/a	Good
16 Jul	Ozone	n/a	Good