Stay updated with real-time air quality in Cornelius, 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)
40
Good
Cornelius, North Carolina
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.99 μg/m³
0
55
155
255
425
605+
42.69 ppb
0
55
71
86
201
201+
3.19 ppb
0
36
76
186
605
1005+
3.52 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Cornelius, North Carolina
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AQI 36
Good
3.67μg/m³
PM2.5
14.80μg/m³
PM10
38.69ppb
O3
1.87ppb
SO2
3.49ppb
NO2
0.12ppm
CO
AQI 34
Good
3.33μg/m³
PM2.5
11.53μg/m³
PM10
37.15ppb
O3
1.36ppb
SO2
3.68ppb
NO2
0.11ppm
CO
AQI 37
Good
4.83μg/m³
PM2.5
18.22μg/m³
PM10
39.82ppb
O3
1.94ppb
SO2
3.35ppb
NO2
0.12ppm
CO
AQI 37
Good
4.28μg/m³
PM2.5
17.95μg/m³
PM10
39.56ppb
O3
1.74ppb
SO2
3.48ppb
NO2
0.12ppm
CO
AQI 36
Good
4.33μg/m³
PM2.5
18.00μg/m³
PM10
38.70ppb
O3
1.33ppb
SO2
3.14ppb
NO2
0.12ppm
CO
AQI 35
Good
2.92μg/m³
PM2.5
9.55μg/m³
PM10
38.41ppb
O3
1.05ppb
SO2
3.65ppb
NO2
0.11ppm
CO
Air quality and pollutant data for North Carolina, 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 Cornelius, North Carolina is updated every hour for accuracy.
In the past 24 hours, the air quality in Cornelius, North Carolina was at its worst at 03:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Cornelius, North Carolina was observed at 07:00:00 on 2026-03-09.
As of now, the AQI in Cornelius, North Carolina is 40, indicating Good conditions.
Cornelius, North Carolina air has the highest levels of O3.
Poor air quality in Cornelius, North Carolina means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cornelius, North Carolina are currently 1.759 μg/m3.
The PM10 concentration in Cornelius, North Carolina is 16.991 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cornelius, North Carolina is 0.115 ppm.
Currently, Cornelius, North Carolina has a sulfur dioxide (SO2) concentration of 3.194 ppb.
The current ozone (O3) level in Cornelius, North Carolina at the moment is 42.691 ppm.
Nitrogen dioxide (NO2) level in Cornelius, North Carolina at the moment is 3.515 ppb.
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