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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.74 μg/m³
0
55
155
255
425
605+
7.59 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
7.96 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Leander, Texas
Leander, Texas
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AQI 22
Good
3.75μg/m³
PM2.5
16.89μg/m³
PM10
7.38ppb
O3
0.73ppb
SO2
7.96ppb
NO2
0.39ppm
CO
AQI 27
Good
5.26μg/m³
PM2.5
27.20μg/m³
PM10
17.20ppb
O3
0.73ppb
SO2
8.00ppb
NO2
0.39ppm
CO
AQI 27
Good
4.84μg/m³
PM2.5
23.64μg/m³
PM10
8.94ppb
O3
0.73ppb
SO2
7.94ppb
NO2
0.39ppm
CO
AQI 22
Good
3.82μg/m³
PM2.5
22.78μg/m³
PM10
15.82ppb
O3
0.73ppb
SO2
7.97ppb
NO2
0.39ppm
CO
AQI 27
Good
5.45μg/m³
PM2.5
21.27μg/m³
PM10
8.79ppb
O3
0.73ppb
SO2
7.93ppb
NO2
0.39ppm
CO
AQI 22
Good
3.92μg/m³
PM2.5
17.68μg/m³
PM10
7.57ppb
O3
0.73ppb
SO2
7.95ppb
NO2
0.39ppm
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 12:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Leander, Texas was observed at 01:00:00 on 2026-09-07.
As of now, the AQI in Leander, Texas is 22, 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 3.926 μg/m3.
The PM10 concentration in Leander, Texas is 17.737 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Leander, Texas is 0.388 ppm.
Currently, Leander, Texas has a sulfur dioxide (SO2) concentration of 0.727 ppb.
The current ozone (O3) level in Leander, Texas at the moment is 7.591 ppm.
Nitrogen dioxide (NO2) level in Leander, Texas at the moment is 7.957 ppb.
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