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
0.23 μg/ft3
PM25
0.11 μg/ft3
NO2
6.23 ppb
SO2
0.37 ppb
CO
0.23 ppb
O3
Primary Pollutant
18.89 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

Wed, November 13
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 61.

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 38 and 57.

24
37
54
51
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
0.14 μg/ft3
0.29 μg/ft3
0.39 μg/ft3
0.34 μg/ft3
PM25
0.14 μg/ft3
0.29 μg/ft3
0.39 μg/ft3
0.34 μg/ft3
NO2
3.59 ppb
13.91 ppb
15.81 ppb
11.63 ppb
SO2
1.58 ppb
1.54 ppb
1.58 ppb
0.87 ppb
CO
0.17 ppb
0.26 ppb
0.28 ppb
0.25 ppb
O3
28.6 ppb
13.1 ppb
7.6 ppb
6.5 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 38 and 57.

51
33
40
40
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
0.34 μg/ft3
0.20 μg/ft3
0.30 μg/ft3
0.25 μg/ft3
PM25
0.34 μg/ft3
0.20 μg/ft3
0.30 μg/ft3
0.25 μg/ft3
NO2
11.63 ppb
2.42 ppb
9.44 ppb
5.28 ppb
SO2
0.87 ppb
2.35 ppb
5.06 ppb
3.37 ppb
CO
0.25 ppb
0.17 ppb
0.22 ppb
0.18 ppb
O3
6.5 ppb
30 ppb
20.1 ppb
22.2 ppb
AQI

On average, the air quality on this day will be moderate, meaning that air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. According to our index, ranging from 0 to 500, the air quality is going to be between values of 40 and 81.

38
51
0
0
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
-
Not Available
-
Not Available

Weed

0
0
-
Not Available
-
Not Available

Grass

0
0
-
Not Available
-
Not Available
PM10
0.29 μg/ft3
0.33 μg/ft3
N/A
N/A
PM25
0.29 μg/ft3
0.33 μg/ft3
N/A
N/A
NO2
4.83 ppb
1.93 ppb
N/A
N/A
SO2
1.7 ppb
3.25 ppb
N/A
N/A
CO
0.18 ppb
0.19 ppb
N/A
N/A
O3
21.4 ppb
40.5 ppb
N/A
N/A