Stay updated with real-time air quality in Horizon City, 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)
40
Good
Horizon City, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.18 μg/m³
0
55
155
255
425
605+
40.07 ppb
0
55
71
86
201
201+
1.42 ppb
0
36
76
186
605
1005+
1.05 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Horizon City, Texas
Horizon City, Texas
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AQI 51
Moderate
6.18μg/m³
PM2.5
55.10μg/m³
PM10
40.92ppb
O3
1.42ppb
SO2
1.05ppb
NO2
0.16ppm
CO
AQI 42
Good
6.06μg/m³
PM2.5
45.24μg/m³
PM10
40.60ppb
O3
1.42ppb
SO2
1.05ppb
NO2
0.16ppm
CO
AQI 36
Good
5.49μg/m³
PM2.5
23.35μg/m³
PM10
39.37ppb
O3
1.42ppb
SO2
1.06ppb
NO2
0.16ppm
CO
AQI 36
Good
5.24μg/m³
PM2.5
21.78μg/m³
PM10
38.96ppb
O3
1.42ppb
SO2
1.06ppb
NO2
0.16ppm
CO
AQI 42
Good
5.04μg/m³
PM2.5
6.32μg/m³
PM10
45.47ppb
O3
1.42ppb
SO2
1.00ppb
NO2
0.16ppm
CO
AQI 41
Good
2.84μg/m³
PM2.5
12.15μg/m³
PM10
44.20ppb
O3
1.41ppb
SO2
1.09ppb
NO2
0.16ppm
CO
Air quality and pollutant data for Texas, 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 Horizon City, Texas is updated every hour for accuracy.
In the past 24 hours, the air quality in Horizon City, Texas was at its worst at 05:00:00 on 2026-09-13.
In the last 24 hours, the best air quality in Horizon City, Texas was observed at 02:00:00 on 2026-09-13.
As of now, the AQI in Horizon City, Texas is 40, indicating Good conditions.
Horizon City, Texas air has the highest levels of PM10.
Poor air quality in Horizon City, Texas means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Horizon City, Texas are currently 5.937 μg/m3.
The PM10 concentration in Horizon City, Texas is 43.183 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Horizon City, Texas is 0.158 ppm.
Currently, Horizon City, Texas has a sulfur dioxide (SO2) concentration of 1.415 ppb.
The current ozone (O3) level in Horizon City, Texas at the moment is 40.071 ppm.
Nitrogen dioxide (NO2) level in Horizon City, Texas at the moment is 1.048 ppb.
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