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)
44
Good
Grain Valley, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.65 μg/m³
0
55
155
255
425
605+
31.14 ppb
0
55
71
86
201
201+
0.89 ppb
0
36
76
186
605
1005+
10.82 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Grain Valley, Missouri
Grain Valley, Missouri
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AQI 49
Good
8.67μg/m³
PM2.5
28.77μg/m³
PM10
14.96ppb
O3
1.09ppb
SO2
23.50ppb
NO2
0.51ppm
CO
AQI 44
Good
7.93μg/m³
PM2.5
28.28μg/m³
PM10
15.63ppb
O3
1.10ppb
SO2
13.38ppb
NO2
0.54ppm
CO
AQI 64
Moderate
16.36μg/m³
PM2.5
55.71μg/m³
PM10
3.03ppb
O3
1.21ppb
SO2
26.33ppb
NO2
0.53ppm
CO
AQI 58
Moderate
13.26μg/m³
PM2.5
56.46μg/m³
PM10
3.45ppb
O3
1.18ppb
SO2
26.52ppb
NO2
0.55ppm
CO
AQI 49
Good
9.23μg/m³
PM2.5
40.38μg/m³
PM10
4.18ppb
O3
1.15ppb
SO2
25.86ppb
NO2
0.51ppm
CO
AQI 49
Good
9.09μg/m³
PM2.5
38.48μg/m³
PM10
5.64ppb
O3
1.25ppb
SO2
20.85ppb
NO2
0.58ppm
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 03:00:00 on 2025-11-12.
In the last 24 hours, the best air quality in Grain Valley, Missouri was observed at 01:00:00 on 2025-11-13.
As of now, the AQI in Grain Valley, Missouri is 38, indicating Good 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 7.386 μg/m3.
The PM10 concentration in Grain Valley, Missouri is 33.295 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Grain Valley, Missouri is 0.437 ppm.
Currently, Grain Valley, Missouri has a sulfur dioxide (SO2) concentration of 1.101 ppb.
The current ozone (O3) level in Grain Valley, Missouri at the moment is 12.227 ppm.
Nitrogen dioxide (NO2) level in Grain Valley, Missouri at the moment is 21.596 ppb.
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