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)
44
Good
Merrifield, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.12 μg/m³
0
55
155
255
425
605+
32.37 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
8.02 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Merrifield, Virginia
Merrifield, Virginia
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AQI 38
Good
7.00μg/m³
PM2.5
22.54μg/m³
PM10
35.80ppb
O3
0.59ppb
SO2
10.78ppb
NO2
0.28ppm
CO
AQI 38
Good
7.25μg/m³
PM2.5
26.48μg/m³
PM10
34.82ppb
O3
0.75ppb
SO2
11.25ppb
NO2
0.27ppm
CO
AQI 38
Good
7.01μg/m³
PM2.5
22.59μg/m³
PM10
33.42ppb
O3
0.56ppb
SO2
10.81ppb
NO2
0.27ppm
CO
AQI 38
Good
7.01μg/m³
PM2.5
22.50μg/m³
PM10
33.45ppb
O3
0.61ppb
SO2
11.22ppb
NO2
0.28ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
22.54μg/m³
PM10
35.80ppb
O3
0.59ppb
SO2
10.78ppb
NO2
0.28ppm
CO
AQI 38
Good
6.99μg/m³
PM2.5
26.75μg/m³
PM10
34.85ppb
O3
0.77ppb
SO2
11.34ppb
NO2
0.27ppm
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 2026-06-07.
In the last 24 hrs, the best air quality in Merrifield, Virginia was observed at 08:00:00 on 2026-06-07.
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 7.022 μg/m3.
The current PM10 concentration at Merrifield, Virginia is 22.628 μg/m3.
The current carbon monoxide (CO) concentration at Merrifield, Virginia is 0.275 ppm.
The current sulfur dioxide (SO2) concentration at Merrifield, Virginia is 0.641 ppb.
The current ozone (O3) concentration at Merrifield, Virginia is 33.707 ppm.
The current nitrogen dioxide (NO2) concentration at Merrifield, Virginia is 11.052 ppb.
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