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)
60
Moderate
Princeton, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.34 μg/m³
0
55
155
255
425
605+
15.40 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
4.74 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Princeton, Texas
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AQI 62
Moderate
14.77μg/m³
PM2.5
41.27μg/m³
PM10
16.49ppb
O3
0.54ppb
SO2
4.46ppb
NO2
0.42ppm
CO
AQI 62
Moderate
14.77μg/m³
PM2.5
41.27μg/m³
PM10
16.49ppb
O3
0.54ppb
SO2
4.46ppb
NO2
0.42ppm
CO
AQI 62
Moderate
14.74μg/m³
PM2.5
40.81μg/m³
PM10
16.56ppb
O3
0.54ppb
SO2
4.51ppb
NO2
0.42ppm
CO
AQI 62
Moderate
14.80μg/m³
PM2.5
41.67μg/m³
PM10
15.64ppb
O3
0.54ppb
SO2
5.21ppb
NO2
0.42ppm
CO
AQI 62
Moderate
14.70μg/m³
PM2.5
40.66μg/m³
PM10
16.55ppb
O3
0.54ppb
SO2
4.52ppb
NO2
0.42ppm
CO
AQI 60
Moderate
14.38μg/m³
PM2.5
54.56μg/m³
PM10
14.66ppb
O3
0.53ppb
SO2
5.15ppb
NO2
0.41ppm
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 11:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Princeton, Texas was observed at 04:00:00 on 2026-06-07.
The current air quality in Princeton, Texas is 60, categorized as Moderate based on real-time data.
The most common pollutant in Princeton, Texas is PM2.5.
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 13.761 μg/m3.
The current PM10 concentration at Princeton, Texas is 55.338 μg/m3.
The current carbon monoxide (CO) concentration at Princeton, Texas is 0.387 ppm.
The current sulfur dioxide (SO2) concentration at Princeton, Texas is 0.535 ppb.
The current ozone (O3) concentration at Princeton, Texas is 15.404 ppm.
The current nitrogen dioxide (NO2) concentration at Princeton, Texas is 4.743 ppb.
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