Stay updated with real-time air quality in Merrifield, Virginia 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)
38
Good
Merrifield, Virginia
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.48 μg/m³
0
55
155
255
425
605+
39.21 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
8.00 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Merrifield, Virginia
Merrifield, Virginia
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AQI 40
Good
5.92μg/m³
PM2.5
24.44μg/m³
PM10
42.66ppb
O3
0.52ppb
SO2
9.16ppb
NO2
0.25ppm
CO
AQI 40
Good
5.47μg/m³
PM2.5
19.02μg/m³
PM10
43.31ppb
O3
0.51ppb
SO2
7.19ppb
NO2
0.22ppm
CO
AQI 39
Good
5.72μg/m³
PM2.5
23.93μg/m³
PM10
42.49ppb
O3
0.52ppb
SO2
9.84ppb
NO2
0.25ppm
CO
AQI 40
Good
5.79μg/m³
PM2.5
24.20μg/m³
PM10
42.80ppb
O3
0.51ppb
SO2
8.64ppb
NO2
0.25ppm
CO
AQI 40
Good
5.92μg/m³
PM2.5
24.44μg/m³
PM10
42.66ppb
O3
0.52ppb
SO2
9.16ppb
NO2
0.25ppm
CO
AQI 40
Good
5.57μg/m³
PM2.5
20.68μg/m³
PM10
43.19ppb
O3
0.51ppb
SO2
7.79ppb
NO2
0.23ppm
CO
Air quality data and pollutant measurements for Virginia, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Merrifield, Virginia is updated every hour.
The worst air quality in Merrifield, Virginia in the last 24 hours was observed at 10:00:00 on 2025-06-03.
In the last 24 hrs, the best air quality in Merrifield, Virginia was observed at 11:00:00 on 2025-06-03.
The current air quality in Merrifield, Virginia is 38, categorized as Good based on real-time data.
The most common pollutant in Merrifield, Virginia is PM2.5.
If the air quality in Merrifield, Virginia is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Merrifield, Virginia is 6.827 μg/m3.
The current PM10 concentration at Merrifield, Virginia is 29.48 μg/m3.
The current carbon monoxide (CO) concentration at Merrifield, Virginia is 0.259 ppm.
The current sulfur dioxide (SO2) concentration at Merrifield, Virginia is 0.523 ppb.
The current ozone (O3) concentration at Merrifield, Virginia is 39.207 ppm.
The current nitrogen dioxide (NO2) concentration at Merrifield, Virginia is 8.004 ppb.
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