Stay updated with real-time air quality in McAllen, 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)
79
Moderate
McAllen, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
23.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
77.10 μg/m³
0
55
155
255
425
605+
27.36 ppb
0
55
71
86
201
201+
5.52 ppb
0
36
76
186
605
1005+
1.61 ppb
0
54
101
361
1250
2050+
1.00 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
McAllen, Texas
McAllen, Texas
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AQI 77
Moderate
23.21μg/m³
PM2.5
78.09μg/m³
PM10
27.99ppb
O3
5.80ppb
SO2
2.27ppb
NO2
0.98ppm
CO
AQI 77
Moderate
23.25μg/m³
PM2.5
85.43μg/m³
PM10
30.73ppb
O3
5.80ppb
SO2
2.27ppb
NO2
0.98ppm
CO
AQI 77
Moderate
23.28μg/m³
PM2.5
93.41μg/m³
PM10
33.71ppb
O3
5.80ppb
SO2
2.27ppb
NO2
0.98ppm
CO
AQI 77
Moderate
23.19μg/m³
PM2.5
71.23μg/m³
PM10
25.44ppb
O3
5.80ppb
SO2
2.27ppb
NO2
0.98ppm
CO
AQI 77
Moderate
23.20μg/m³
PM2.5
93.78μg/m³
PM10
33.69ppb
O3
5.80ppb
SO2
2.26ppb
NO2
0.98ppm
CO
AQI 75
Moderate
22.02μg/m³
PM2.5
74.39μg/m³
PM10
39.03ppb
O3
5.80ppb
SO2
2.27ppb
NO2
0.98ppm
CO
Air quality measurements for Texas, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Mcallen, Texas is updated on an hourly basis.
The worst air quality in Mcallen, Texas was recorded at 08:00:00 on 2026-07-23.
The best air quality in Mcallen, Texas was recorded at 01:00:00 on 2026-07-23.
The real-time air quality index in Mcallen, Texas is 79, currently categorized as Moderate.
The most common pollutant in Mcallen, Texas is PM2.5.
If the air quality in Mcallen, Texas is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Mcallen, Texas at present are 23.75 μg/m3.
The current PM10 levels in Mcallen, Texas are 77.102 μg/m3.
The current carbon monoxide (CO) level in Mcallen, Texas is 1.001 ppm.
The current sulfur dioxide (SO2) levels in Mcallen, Texas are 5.523 ppb.
The current ozone (O3) levels at Mcallen, Texas is 27.356 ppm.
The current nitrogen dioxide (NO2) levels at Mcallen, Texas is 1.612 ppb.
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