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)
35
Good
Horizon City, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.41 μg/m³
0
55
155
255
425
605+
38.50 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
7.55 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Horizon City, Texas
Horizon City, Texas
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AQI 35
Good
4.16μg/m³
PM2.5
37.59μg/m³
PM10
38.15ppb
O3
0.33ppb
SO2
5.01ppb
NO2
0.26ppm
CO
AQI 36
Good
5.02μg/m³
PM2.5
35.84μg/m³
PM10
39.02ppb
O3
0.33ppb
SO2
4.94ppb
NO2
0.26ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
36.38μg/m³
PM10
42.19ppb
O3
0.33ppb
SO2
4.77ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.35μg/m³
PM2.5
46.91μg/m³
PM10
43.01ppb
O3
0.33ppb
SO2
4.82ppb
NO2
0.26ppm
CO
AQI 38
Good
3.95μg/m³
PM2.5
18.26μg/m³
PM10
41.06ppb
O3
0.33ppb
SO2
3.94ppb
NO2
0.26ppm
CO
AQI 41
Good
6.31μg/m³
PM2.5
28.15μg/m³
PM10
43.80ppb
O3
0.33ppb
SO2
4.46ppb
NO2
0.26ppm
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 11:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Horizon City, Texas was observed at 03:00:00 on 2026-04-23.
As of now, the AQI in Horizon City, Texas is 35, indicating Good conditions.
Horizon City, Texas air has the highest levels of O3.
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 5.313 μg/m3.
The PM10 concentration in Horizon City, Texas is 33.414 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Horizon City, Texas is 0.317 ppm.
Currently, Horizon City, Texas has a sulfur dioxide (SO2) concentration of 0.313 ppb.
The current ozone (O3) level in Horizon City, Texas at the moment is 38.499 ppm.
Nitrogen dioxide (NO2) level in Horizon City, Texas at the moment is 7.549 ppb.
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