Nearby locations
City of Saint Louis, Missouri, United States
St. Louis, Missouri, United States
La Salle, Missouri, United States
Nearby popular places
Lucas Gardens, United States
Busch Stadium, United States
Old Courthouse, United States

Air Quality in City of Saint Louis, Missouri, United States

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Pollutants in City of Saint Louis, United States

PM10
0.11 μg/ft3
PM25
0.06 μg/ft3
NO2
1 ppb
SO2
0.1 ppb
CO
0.1 ppb
O3
Primary Pollutant
44 ppb
Low riskHigh risk

Pollen Index in City of Saint Louis, United States

Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Air Quality Forecast in City of Saint Louis, United States

Thu, May 1
MorningNoonEveningNight
Next day
Next day
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 26 and 74.

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 37 and 60.

39
45
33
35
Next day
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
Next day
PM10
0.13 μg/ft3
0.15 μg/ft3
0.20 μg/ft3
0.18 μg/ft3
PM25
0.11 μg/ft3
0.11 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
NO2
0.8 ppb
1.3 ppb
5.4 ppb
2.8 ppb
SO2
0.2 ppb
0.2 ppb
0.6 ppb
0.9 ppb
CO
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
41.5 ppb
48.1 ppb
33.7 ppb
38.1 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 37 and 60.

35
36
42
41
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.18 μg/ft3
0.14 μg/ft3
0.15 μg/ft3
0.14 μg/ft3
PM25
0.16 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.13 μg/ft3
NO2
2.8 ppb
2.9 ppb
2.4 ppb
3.1 ppb
SO2
0.9 ppb
0.9 ppb
0.7 ppb
0.9 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
38.1 ppb
38.7 ppb
45.1 ppb
44.2 ppb
AQI

On average, the air quality on this day will be good, meaning that air quality is satisfactory, and air pollution poses little or no risk. According to our index, ranging from 0 to 500, the air quality is going to be between values of 31 and 41.

31
33
35
32
Pollen

The overall pollen forecast for this day shows no significant pollen. Tree pollen on this day is expected to have no risk. There's no risk of weed pollen, and as for grass pollen, this day is expected to have no risk.

Tree

0
0
0
0

Weed

0
0
0
0

Grass

0
0
0
0
PM10
0.09 μg/ft3
0.06 μg/ft3
0.09 μg/ft3
0.14 μg/ft3
PM25
0.08 μg/ft3
0.05 μg/ft3
0.08 μg/ft3
0.14 μg/ft3
NO2
3.5 ppb
2.4 ppb
3.4 ppb
4 ppb
SO2
0.8 ppb
0.5 ppb
0.8 ppb
0.9 ppb
CO
0.2 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
33.3 ppb
35.8 ppb
37.6 ppb
34.2 ppb