Stay updated with real-time air quality in Harker Heights, 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)
49
Good
Harker Heights, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.16 μg/m³
0
55
155
255
425
605+
42.01 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
1.26 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Harker Heights, Texas
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AQI 52
Moderate
9.93μg/m³
PM2.5
39.77μg/m³
PM10
40.87ppb
O3
0.68ppb
SO2
1.07ppb
NO2
0.19ppm
CO
AQI 52
Moderate
9.93μg/m³
PM2.5
40.18μg/m³
PM10
40.65ppb
O3
0.68ppb
SO2
1.07ppb
NO2
0.19ppm
CO
AQI 49
Good
8.68μg/m³
PM2.5
37.88μg/m³
PM10
39.11ppb
O3
0.68ppb
SO2
1.07ppb
NO2
0.19ppm
CO
AQI 52
Moderate
10.28μg/m³
PM2.5
32.48μg/m³
PM10
39.56ppb
O3
0.68ppb
SO2
0.94ppb
NO2
0.19ppm
CO
AQI 49
Good
8.65μg/m³
PM2.5
37.88μg/m³
PM10
39.07ppb
O3
0.68ppb
SO2
1.07ppb
NO2
0.19ppm
CO
AQI 52
Moderate
10.36μg/m³
PM2.5
44.47μg/m³
PM10
39.90ppb
O3
0.68ppb
SO2
0.89ppb
NO2
0.19ppm
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 Harker Heights, Texas is updated every hour.
The worst air quality in Harker Heights, Texas in the last 24 hours was observed at 01:00:00 on 2026-03-15.
In the last 24 hrs, the best air quality in Harker Heights, Texas was observed at 01:00:00 on 2026-03-15.
The current air quality in Harker Heights, Texas is 44, categorized as Good based on real-time data.
The most common pollutant in Harker Heights, Texas is PM2.5.
If the air quality in Harker Heights, Texas is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Harker Heights, Texas is 8.13 μg/m3.
The current PM10 concentration at Harker Heights, Texas is 44.553 μg/m3.
The current carbon monoxide (CO) concentration at Harker Heights, Texas is 0.203 ppm.
The current sulfur dioxide (SO2) concentration at Harker Heights, Texas is 0.625 ppb.
The current ozone (O3) concentration at Harker Heights, Texas is 43.861 ppm.
The current nitrogen dioxide (NO2) concentration at Harker Heights, Texas is 1.033 ppb.
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