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)
65
Moderate
Horizon City, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
15.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
83.40 μg/m³
0
55
155
255
425
605+
7.38 ppb
0
55
71
86
201
201+
3.15 ppb
0
36
76
186
605
1005+
20.73 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Horizon City, Texas
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AQI 70
Moderate
14.98μg/m³
PM2.5
93.58μg/m³
PM10
6.15ppb
O3
3.15ppb
SO2
20.43ppb
NO2
0.20ppm
CO
AQI 67
Moderate
15.64μg/m³
PM2.5
87.58μg/m³
PM10
6.82ppb
O3
3.15ppb
SO2
20.66ppb
NO2
0.20ppm
CO
AQI 71
Moderate
20.19μg/m³
PM2.5
88.07μg/m³
PM10
8.84ppb
O3
3.15ppb
SO2
21.04ppb
NO2
0.20ppm
CO
AQI 81
Moderate
24.67μg/m³
PM2.5
109.24μg/m³
PM10
8.64ppb
O3
3.16ppb
SO2
19.80ppb
NO2
0.20ppm
CO
AQI 51
Moderate
8.38μg/m³
PM2.5
56.05μg/m³
PM10
23.52ppb
O3
3.17ppb
SO2
6.81ppb
NO2
0.20ppm
CO
AQI 58
Moderate
13.07μg/m³
PM2.5
58.81μg/m³
PM10
22.22ppb
O3
3.13ppb
SO2
26.35ppb
NO2
0.20ppm
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 06:00:00 on 2026-03-13.
In the last 24 hours, the best air quality in Horizon City, Texas was observed at 04:00:00 on 2026-03-12.
As of now, the AQI in Horizon City, Texas is 65, indicating Moderate 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 15.266 μg/m3.
The PM10 concentration in Horizon City, Texas is 83.402 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Horizon City, Texas is 0.204 ppm.
Currently, Horizon City, Texas has a sulfur dioxide (SO2) concentration of 3.146 ppb.
The current ozone (O3) level in Horizon City, Texas at the moment is 7.385 ppm.
Nitrogen dioxide (NO2) level in Horizon City, Texas at the moment is 20.727 ppb.
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