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)
56
Moderate
Grain Valley, Missouri
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.84 μg/m³
0
55
155
255
425
605+
21.65 ppb
0
55
71
86
201
201+
1.62 ppb
0
36
76
186
605
1005+
6.17 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Grain Valley, Missouri
Grain Valley, Missouri
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AQI 64
Moderate
15.53μg/m³
PM2.5
39.70μg/m³
PM10
22.23ppb
O3
1.36ppb
SO2
3.07ppb
NO2
0.23ppm
CO
AQI 64
Moderate
15.87μg/m³
PM2.5
46.53μg/m³
PM10
23.28ppb
O3
1.36ppb
SO2
2.91ppb
NO2
0.22ppm
CO
AQI 62
Moderate
15.19μg/m³
PM2.5
40.16μg/m³
PM10
23.05ppb
O3
1.33ppb
SO2
3.11ppb
NO2
0.23ppm
CO
AQI 62
Moderate
14.73μg/m³
PM2.5
47.40μg/m³
PM10
22.59ppb
O3
1.32ppb
SO2
3.06ppb
NO2
0.22ppm
CO
AQI 62
Moderate
14.66μg/m³
PM2.5
57.97μg/m³
PM10
22.65ppb
O3
1.26ppb
SO2
3.14ppb
NO2
0.24ppm
CO
AQI 64
Moderate
16.19μg/m³
PM2.5
64.91μg/m³
PM10
23.91ppb
O3
1.33ppb
SO2
2.59ppb
NO2
0.21ppm
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 08:00:00 on 2025-09-04.
In the last 24 hours, the best air quality in Grain Valley, Missouri was observed at 05:00:00 on 2025-09-05.
As of now, the AQI in Grain Valley, Missouri is 56, 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 11.886 μg/m3.
The PM10 concentration in Grain Valley, Missouri is 55.84 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Grain Valley, Missouri is 0.283 ppm.
Currently, Grain Valley, Missouri has a sulfur dioxide (SO2) concentration of 1.623 ppb.
The current ozone (O3) level in Grain Valley, Missouri at the moment is 21.653 ppm.
Nitrogen dioxide (NO2) level in Grain Valley, Missouri at the moment is 6.172 ppb.
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