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)
22
Good
Horizon City, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.90 μg/m³
0
55
155
255
425
605+
22.88 ppb
0
55
71
86
201
201+
8.62 ppb
0
36
76
186
605
1005+
3.85 ppb
0
54
101
361
1250
2050+
0.23 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 23
Good
3.21μg/m³
PM2.5
17.19μg/m³
PM10
24.67ppb
O3
8.62ppb
SO2
3.85ppb
NO2
0.23ppm
CO
AQI 22
Good
3.84μg/m³
PM2.5
18.21μg/m³
PM10
22.80ppb
O3
8.62ppb
SO2
3.87ppb
NO2
0.23ppm
CO
AQI 33
Good
5.67μg/m³
PM2.5
23.31μg/m³
PM10
18.57ppb
O3
8.63ppb
SO2
3.88ppb
NO2
0.23ppm
CO
AQI 33
Good
6.05μg/m³
PM2.5
22.32μg/m³
PM10
17.79ppb
O3
8.64ppb
SO2
3.91ppb
NO2
0.23ppm
CO
AQI 21
Good
3.08μg/m³
PM2.5
13.53μg/m³
PM10
22.88ppb
O3
8.71ppb
SO2
3.91ppb
NO2
0.24ppm
CO
AQI 25
Good
1.55μg/m³
PM2.5
7.58μg/m³
PM10
26.72ppb
O3
8.51ppb
SO2
3.72ppb
NO2
0.23ppm
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 07:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in Horizon City, Texas was observed at 04:00:00 on 2025-12-07.
As of now, the AQI in Horizon City, Texas is 22, indicating Good conditions.
Horizon City, Texas air has the highest levels of PM2.5.
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 3.871 μg/m3.
The PM10 concentration in Horizon City, Texas is 19.898 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Horizon City, Texas is 0.235 ppm.
Currently, Horizon City, Texas has a sulfur dioxide (SO2) concentration of 8.616 ppb.
The current ozone (O3) level in Horizon City, Texas at the moment is 22.878 ppm.
Nitrogen dioxide (NO2) level in Horizon City, Texas at the moment is 3.854 ppb.
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