Stay updated with real-time air quality in Leander, 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)
27
Good
Leander, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.80 μg/m³
0
55
155
255
425
605+
21.39 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
4.37 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Leander, Texas
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AQI 27
Good
4.58μg/m³
PM2.5
20.34μg/m³
PM10
21.55ppb
O3
0.67ppb
SO2
4.37ppb
NO2
0.27ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
31.98μg/m³
PM10
22.01ppb
O3
0.67ppb
SO2
4.38ppb
NO2
0.27ppm
CO
AQI 33
Good
6.32μg/m³
PM2.5
26.69μg/m³
PM10
20.63ppb
O3
0.67ppb
SO2
4.36ppb
NO2
0.27ppm
CO
AQI 33
Good
6.29μg/m³
PM2.5
31.95μg/m³
PM10
23.32ppb
O3
0.67ppb
SO2
4.38ppb
NO2
0.27ppm
CO
AQI 33
Good
6.46μg/m³
PM2.5
25.67μg/m³
PM10
20.04ppb
O3
0.67ppb
SO2
4.37ppb
NO2
0.27ppm
CO
AQI 27
Good
4.80μg/m³
PM2.5
21.25μg/m³
PM10
21.15ppb
O3
0.67ppb
SO2
4.37ppb
NO2
0.27ppm
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 Leander, Texas is updated every hour for accuracy.
In the past 24 hours, the air quality in Leander, Texas was at its worst at 10:00:00 on 2026-03-10.
In the last 24 hours, the best air quality in Leander, Texas was observed at 03:00:00 on 2026-03-11.
As of now, the AQI in Leander, Texas is 27, indicating Good conditions.
Leander, Texas air has the highest levels of PM2.5.
Poor air quality in Leander, Texas means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Leander, Texas are currently 4.956 μg/m3.
The PM10 concentration in Leander, Texas is 21.799 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Leander, Texas is 0.273 ppm.
Currently, Leander, Texas has a sulfur dioxide (SO2) concentration of 0.666 ppb.
The current ozone (O3) level in Leander, Texas at the moment is 21.392 ppm.
Nitrogen dioxide (NO2) level in Leander, Texas at the moment is 4.367 ppb.
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