Stay updated with real-time air quality in WinstonSalem, North Carolina 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)
49
Good
WinstonSalem, North Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.34 μg/m³
0
55
155
255
425
605+
43.75 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
1.63 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
WinstonSalem, North Carolina
WinstonSalem, North Carolina
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AQI 49
Good
9.02μg/m³
PM2.5
23.95μg/m³
PM10
38.79ppb
O3
0.20ppb
SO2
1.90ppb
NO2
0.26ppm
CO
AQI 49
Good
8.97μg/m³
PM2.5
37.81μg/m³
PM10
32.85ppb
O3
0.22ppb
SO2
2.99ppb
NO2
0.25ppm
CO
AQI 49
Good
9.08μg/m³
PM2.5
28.76μg/m³
PM10
39.22ppb
O3
0.22ppb
SO2
2.69ppb
NO2
0.26ppm
CO
AQI 49
Good
9.05μg/m³
PM2.5
35.88μg/m³
PM10
34.12ppb
O3
0.22ppb
SO2
2.83ppb
NO2
0.25ppm
CO
AQI 49
Good
9.29μg/m³
PM2.5
46.41μg/m³
PM10
37.31ppb
O3
0.23ppb
SO2
3.50ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.80μg/m³
PM2.5
37.01μg/m³
PM10
39.72ppb
O3
0.23ppb
SO2
3.48ppb
NO2
0.25ppm
CO
The air quality data for North Carolina, 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 Winstonsalem, North Carolina are available every hour.
Winstonsalem, North Carolina experienced its worst air quality at 05:00:00, 2026-08-14.
The best air quality in Winstonsalem, North Carolina was observed at 11:00:00 on 2026-08-13.
The air quality in Winstonsalem, North Carolina right now is Good, with an AQI of 49.
In Winstonsalem, North Carolina, PM2.5 is the most frequently found pollutant.
When air quality in Winstonsalem, North Carolina is compromised, staying indoors and wearing a mask can reduce health risks.
Winstonsalem, North Carolina currently has a PM2.5 concentration of 9.109 μg/m3.
Winstonsalem, North Carolina currently has a PM10 concentration of 24.336 μg/m3.
The current carbon monoxide (CO) level in Winstonsalem, North Carolina is 0.255 ppm.
The current sulfur dioxide (SO2) concentration in Winstonsalem, North Carolina is 0.202 ppb.
Winstonsalem, North Carolina currently has an ozone (O3) concentration of 43.753 ppm.
The current level of nitrogen dioxide (NO2) in Winstonsalem, North Carolina is 1.626 ppb.
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