Stay updated with real-time air quality in Grain Valley, Missouri featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
62
Moderate
Grain Valley, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.24 μg/m³
0
55
155
255
425
605+
18.62 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
8.80 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Grain Valley, Missouri
Grain Valley, Missouri
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AQI 66
Moderate
17.18μg/m³
PM2.5
26.81μg/m³
PM10
19.53ppb
O3
0.71ppb
SO2
8.44ppb
NO2
0.27ppm
CO
AQI 64
Moderate
15.61μg/m³
PM2.5
27.67μg/m³
PM10
19.47ppb
O3
0.71ppb
SO2
8.02ppb
NO2
0.28ppm
CO
AQI 62
Moderate
14.74μg/m³
PM2.5
60.40μg/m³
PM10
18.82ppb
O3
0.85ppb
SO2
8.53ppb
NO2
0.27ppm
CO
AQI 60
Moderate
13.97μg/m³
PM2.5
38.98μg/m³
PM10
17.53ppb
O3
0.90ppb
SO2
8.77ppb
NO2
0.28ppm
CO
AQI 54
Moderate
10.81μg/m³
PM2.5
40.57μg/m³
PM10
17.36ppb
O3
0.78ppb
SO2
8.65ppb
NO2
0.27ppm
CO
AQI 67
Moderate
18.01μg/m³
PM2.5
70.97μg/m³
PM10
17.97ppb
O3
0.77ppb
SO2
8.22ppb
NO2
0.29ppm
CO
Air quality and pollutant data for Missouri, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Grain Valley, Missouri is updated every hour for accuracy.
In the past 24 hours, the air quality in Grain Valley, Missouri was at its worst at 04:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Grain Valley, Missouri was observed at 11:00:00 on 2025-12-06.
As of now, the AQI in Grain Valley, Missouri is 62, indicating Moderate conditions.
Grain Valley, Missouri air has the highest levels of PM2.5.
Poor air quality in Grain Valley, Missouri means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Grain Valley, Missouri are currently 14.878 μg/m3.
The PM10 concentration in Grain Valley, Missouri is 34.241 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Grain Valley, Missouri is 0.274 ppm.
Currently, Grain Valley, Missouri has a sulfur dioxide (SO2) concentration of 0.688 ppb.
The current ozone (O3) level in Grain Valley, Missouri at the moment is 18.623 ppm.
Nitrogen dioxide (NO2) level in Grain Valley, Missouri at the moment is 8.796 ppb.
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