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)
104
Unhealthy for sensitive groups
Horizon City, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.22 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
160.86 μg/m³
0
55
155
255
425
605+
44.33 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
2.84 ppb
0
54
101
361
1250
2050+
0.17 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 140
Unhealthy for sensitive groups
15.33μg/m³
PM2.5
233.52μg/m³
PM10
44.03ppb
O3
0.56ppb
SO2
2.86ppb
NO2
0.17ppm
CO
AQI 112
Unhealthy for sensitive groups
14.50μg/m³
PM2.5
176.75μg/m³
PM10
44.16ppb
O3
0.56ppb
SO2
2.85ppb
NO2
0.17ppm
CO
AQI 58
Moderate
12.72μg/m³
PM2.5
56.58μg/m³
PM10
44.11ppb
O3
0.56ppb
SO2
2.79ppb
NO2
0.17ppm
CO
AQI 58
Moderate
12.68μg/m³
PM2.5
54.74μg/m³
PM10
43.05ppb
O3
0.56ppb
SO2
2.73ppb
NO2
0.17ppm
CO
AQI 54
Moderate
10.55μg/m³
PM2.5
24.68μg/m³
PM10
53.75ppb
O3
0.56ppb
SO2
2.12ppb
NO2
0.17ppm
CO
AQI 44
Good
5.07μg/m³
PM2.5
21.77μg/m³
PM10
46.77ppb
O3
0.56ppb
SO2
2.90ppb
NO2
0.17ppm
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 10:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Horizon City, Texas was observed at 04:00:00 on 2026-07-23.
As of now, the AQI in Horizon City, Texas is 104, indicating Unhealthy for Sensitive Groups 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 14.224 μg/m3.
The PM10 concentration in Horizon City, Texas is 160.861 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Horizon City, Texas is 0.172 ppm.
Currently, Horizon City, Texas has a sulfur dioxide (SO2) concentration of 0.563 ppb.
The current ozone (O3) level in Horizon City, Texas at the moment is 44.332 ppm.
Nitrogen dioxide (NO2) level in Horizon City, Texas at the moment is 2.844 ppb.
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