Stay updated with real-time air quality in Princeton, Texas 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
Princeton, Texas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.37 μg/m³
0
55
155
255
425
605+
46.81 ppb
0
55
71
86
201
201+
1.71 ppb
0
36
76
186
605
1005+
6.78 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Princeton, Texas
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AQI 54
Moderate
11.26μg/m³
PM2.5
50.51μg/m³
PM10
42.44ppb
O3
3.57ppb
SO2
4.12ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.26μg/m³
PM2.5
50.51μg/m³
PM10
42.44ppb
O3
3.57ppb
SO2
4.12ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.29μg/m³
PM2.5
50.52μg/m³
PM10
42.48ppb
O3
3.59ppb
SO2
4.12ppb
NO2
0.32ppm
CO
AQI 52
Moderate
10.46μg/m³
PM2.5
47.22μg/m³
PM10
43.90ppb
O3
3.56ppb
SO2
4.13ppb
NO2
0.32ppm
CO
AQI 54
Moderate
11.21μg/m³
PM2.5
50.51μg/m³
PM10
43.13ppb
O3
3.60ppb
SO2
4.13ppb
NO2
0.32ppm
CO
AQI 56
Moderate
12.00μg/m³
PM2.5
48.31μg/m³
PM10
21.29ppb
O3
3.48ppb
SO2
4.07ppb
NO2
0.31ppm
CO
Air quality data and pollutant measurements for Texas, 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 Princeton, Texas is updated every hour.
The worst air quality in Princeton, Texas in the last 24 hours was observed at 05:00:00 on 2025-06-06.
In the last 24 hrs, the best air quality in Princeton, Texas was observed at 12:00:00 on 2025-06-06.
The current air quality in Princeton, Texas is 44, categorized as Good based on real-time data.
The most common pollutant in Princeton, Texas is O3.
If the air quality in Princeton, Texas is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Princeton, Texas is 5.794 μg/m3.
The current PM10 concentration at Princeton, Texas is 39.367 μg/m3.
The current carbon monoxide (CO) concentration at Princeton, Texas is 0.396 ppm.
The current sulfur dioxide (SO2) concentration at Princeton, Texas is 1.714 ppb.
The current ozone (O3) concentration at Princeton, Texas is 46.811 ppm.
The current nitrogen dioxide (NO2) concentration at Princeton, Texas is 6.776 ppb.
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