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)
31
Good
Grain Valley, Missouri
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.85 μg/m³
0
55
155
255
425
605+
25.82 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
7.61 ppb
0
54
101
361
1250
2050+
0.17 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 27
Good
3.98μg/m³
PM2.5
25.38μg/m³
PM10
28.93ppb
O3
0.84ppb
SO2
11.29ppb
NO2
0.19ppm
CO
AQI 30
Good
3.25μg/m³
PM2.5
14.11μg/m³
PM10
31.53ppb
O3
0.83ppb
SO2
11.10ppb
NO2
0.20ppm
CO
AQI 20
Good
3.30μg/m³
PM2.5
13.32μg/m³
PM10
22.32ppb
O3
0.87ppb
SO2
10.36ppb
NO2
0.20ppm
CO
AQI 22
Good
2.43μg/m³
PM2.5
8.50μg/m³
PM10
24.03ppb
O3
0.88ppb
SO2
11.54ppb
NO2
0.20ppm
CO
AQI 26
Good
3.71μg/m³
PM2.5
17.21μg/m³
PM10
28.07ppb
O3
0.84ppb
SO2
9.94ppb
NO2
0.20ppm
CO
AQI 25
Good
1.79μg/m³
PM2.5
6.71μg/m³
PM10
27.25ppb
O3
0.84ppb
SO2
14.25ppb
NO2
0.20ppm
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 01:00:00 on 2025-07-17.
In the last 24 hours, the best air quality in Grain Valley, Missouri was observed at 12:00:00 on 2025-07-17.
As of now, the AQI in Grain Valley, Missouri is 28, indicating Good conditions.
Grain Valley, Missouri air has the highest levels of O3.
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 4.217 μg/m3.
The PM10 concentration in Grain Valley, Missouri is 18.627 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Grain Valley, Missouri is 0.193 ppm.
Currently, Grain Valley, Missouri has a sulfur dioxide (SO2) concentration of 0.834 ppb.
The current ozone (O3) level in Grain Valley, Missouri at the moment is 29.776 ppm.
Nitrogen dioxide (NO2) level in Grain Valley, Missouri at the moment is 10.771 ppb.
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