Stay updated with real-time air quality in Weirton, West 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
Weirton, West Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.77 μg/m³
0
55
155
255
425
605+
47.22 ppb
0
55
71
86
201
201+
1.00 ppb
0
36
76
186
605
1005+
6.54 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Weirton, West Virginia
Weirton, West Virginia
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AQI 49
Good
7.33μg/m³
PM2.5
22.44μg/m³
PM10
52.83ppb
O3
1.00ppb
SO2
5.01ppb
NO2
0.25ppm
CO
AQI 64
Moderate
6.99μg/m³
PM2.5
30.95μg/m³
PM10
59.45ppb
O3
0.94ppb
SO2
2.50ppb
NO2
0.23ppm
CO
AQI 49
Good
6.55μg/m³
PM2.5
28.45μg/m³
PM10
53.31ppb
O3
0.97ppb
SO2
2.79ppb
NO2
0.23ppm
CO
AQI 54
Moderate
6.47μg/m³
PM2.5
28.60μg/m³
PM10
55.50ppb
O3
0.95ppb
SO2
2.45ppb
NO2
0.23ppm
CO
AQI 54
Moderate
7.11μg/m³
PM2.5
31.58μg/m³
PM10
55.73ppb
O3
0.94ppb
SO2
2.60ppb
NO2
0.24ppm
CO
AQI 64
Moderate
6.99μg/m³
PM2.5
30.97μg/m³
PM10
58.83ppb
O3
0.94ppb
SO2
2.54ppb
NO2
0.23ppm
CO
The air quality data for West Virginia, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Weirton, West Virginia are available every hour.
Weirton, West Virginia experienced its worst air quality at 02:00:00, 2026-04-23.
The best air quality in Weirton, West Virginia was observed at 10:00:00 on 2026-04-23.
The air quality in Weirton, West Virginia right now is Good, with an AQI of 48.
In Weirton, West Virginia, O3 is the most frequently found pollutant.
When air quality in Weirton, West Virginia is compromised, staying indoors and wearing a mask can reduce health risks.
Weirton, West Virginia currently has a PM2.5 concentration of 6.311 μg/m3.
Weirton, West Virginia currently has a PM10 concentration of 26.695 μg/m3.
The current carbon monoxide (CO) level in Weirton, West Virginia is 0.252 ppm.
The current sulfur dioxide (SO2) concentration in Weirton, West Virginia is 0.997 ppb.
Weirton, West Virginia currently has an ozone (O3) concentration of 51.502 ppm.
The current level of nitrogen dioxide (NO2) in Weirton, West Virginia is 4.957 ppb.
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