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)
56
Moderate
McAllen, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.71 μg/m³
0
55
155
255
425
605+
18.28 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
2.65 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
McAllen, Texas
McAllen, Texas
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AQI 56
Moderate
11.69μg/m³
PM2.5
33.95μg/m³
PM10
18.66ppb
O3
0.55ppb
SO2
4.96ppb
NO2
0.35ppm
CO
AQI 56
Moderate
12.03μg/m³
PM2.5
41.07μg/m³
PM10
18.36ppb
O3
0.55ppb
SO2
4.97ppb
NO2
0.35ppm
CO
AQI 56
Moderate
12.41μg/m³
PM2.5
48.81μg/m³
PM10
18.04ppb
O3
0.55ppb
SO2
4.98ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.36μg/m³
PM2.5
27.26μg/m³
PM10
18.94ppb
O3
0.55ppb
SO2
4.94ppb
NO2
0.35ppm
CO
AQI 56
Moderate
12.45μg/m³
PM2.5
49.64μg/m³
PM10
17.98ppb
O3
0.55ppb
SO2
5.01ppb
NO2
0.34ppm
CO
AQI 56
Moderate
12.33μg/m³
PM2.5
55.16μg/m³
PM10
16.62ppb
O3
0.55ppb
SO2
4.94ppb
NO2
0.35ppm
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 07:00:00 on 2026-06-07.
The best air quality in Mcallen, Texas was recorded at 09:00:00 on 2026-06-08.
The real-time air quality index in Mcallen, Texas is 56, 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 12.066 μg/m3.
The current PM10 levels in Mcallen, Texas are 34.712 μg/m3.
The current carbon monoxide (CO) level in Mcallen, Texas is 0.358 ppm.
The current sulfur dioxide (SO2) levels in Mcallen, Texas are 0.556 ppb.
The current ozone (O3) levels at Mcallen, Texas is 18.283 ppm.
The current nitrogen dioxide (NO2) levels at Mcallen, Texas is 2.65 ppb.
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