Killeen, Texas live air quality index now
Stay updated with real-time air quality in Killeen, 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)
38
Good
Killeen, Texas
Last updated: ... (Local time)
Major air pollutants in Killeen, Texas
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
7.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
30.32 μg/m³
0
55
155
255
425
605+
Ozone (O3)
10.91 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.66 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
7.04 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Killeen, Texas
Killeen, Texas
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Air quality in nearby cities
Fort Hood, Texas
AQI 33
Good
5.95μg/m³
PM2.5
27.85μg/m³
PM10
13.68ppb
O3
0.66ppb
SO2
5.08ppb
NO2
0.25ppm
CO
Harker Heights, Texas
AQI 33
Good
5.82μg/m³
PM2.5
27.61μg/m³
PM10
13.91ppb
O3
0.66ppb
SO2
5.08ppb
NO2
0.25ppm
CO
Copperas Cove, Texas
AQI 33
Good
5.87μg/m³
PM2.5
27.56μg/m³
PM10
11.99ppb
O3
0.66ppb
SO2
5.09ppb
NO2
0.25ppm
CO
Belton, Texas
AQI 33
Good
5.89μg/m³
PM2.5
25.50μg/m³
PM10
10.45ppb
O3
0.66ppb
SO2
5.08ppb
NO2
0.25ppm
CO
Gatesville, Texas
AQI 33
Good
5.88μg/m³
PM2.5
25.42μg/m³
PM10
14.02ppb
O3
0.66ppb
SO2
5.12ppb
NO2
0.25ppm
CO
Temple, Texas
AQI 33
Good
5.91μg/m³
PM2.5
25.49μg/m³
PM10
10.34ppb
O3
0.66ppb
SO2
5.08ppb
NO2
0.25ppm
CO
How accurate is Texas, USA air quality data?
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
Frequently asked questions
How often is the air quality data for Killeen, Texas updated?
The air quality for Killeen, Texas is updated every hour.
When was the worst air quality at Killeen, Texas in the last 24 hrs?
The worst air quality in Killeen, Texas in the last 24 hours was observed at 05:00:00 on 2025-07-22.
When was the best air quality at Killeen, Texas in the last 24 hrs?
In the last 24 hrs, the best air quality in Killeen, Texas was observed at 09:00:00 on 2025-07-23.
What is the current air quality in Killeen, Texas?
The current air quality in Killeen, Texas is 38, categorized as Good based on real-time data.
What pollutant is the most common in Killeen, Texas?
The most common pollutant in Killeen, Texas is PM2.5.
What should I do if the air quality in Killeen, Texas is poor?
If the air quality in Killeen, Texas is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Killeen, Texas?
The current PM2.5 concentration at Killeen, Texas is 7.145 μg/m3.
What is the current concentration of PM10 in Killeen, Texas?
The current PM10 concentration at Killeen, Texas is 33.314 μg/m3.
What is the current concentration of carbon monoxide (CO) in Killeen, Texas?
The current carbon monoxide (CO) concentration at Killeen, Texas is 0.236 ppm.
What is the current concentration of sulfur dioxide (SO2) in Killeen, Texas?
The current sulfur dioxide (SO2) concentration at Killeen, Texas is 0.692 ppb.
What is the current concentration of ozone (O3) in Killeen, Texas?
The current ozone (O3) concentration at Killeen, Texas is 13.768 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Killeen, Texas?
The current nitrogen dioxide (NO2) concentration at Killeen, Texas is 4.504 ppb.
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