Stay updated with real-time air quality in Rio Grande 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)
69
Moderate
Rio Grande City, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
19.03 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
67.19 μg/m³
0
55
155
255
425
605+
18.91 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
3.24 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Rio Grande City, Texas
Rio Grande City, Texas
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AQI 73
Moderate
20.54μg/m³
PM2.5
89.92μg/m³
PM10
21.19ppb
O3
0.11ppb
SO2
1.20ppb
NO2
0.15ppm
CO
AQI 66
Moderate
16.75μg/m³
PM2.5
27.90μg/m³
PM10
15.42ppb
O3
0.95ppb
SO2
8.73ppb
NO2
0.24ppm
CO
AQI 62
Moderate
15.43μg/m³
PM2.5
28.86μg/m³
PM10
15.06ppb
O3
0.95ppb
SO2
8.67ppb
NO2
0.24ppm
CO
AQI 64
Moderate
15.58μg/m³
PM2.5
35.69μg/m³
PM10
15.27ppb
O3
0.95ppb
SO2
8.62ppb
NO2
0.24ppm
CO
AQI 62
Moderate
15.43μg/m³
PM2.5
28.86μg/m³
PM10
15.06ppb
O3
0.95ppb
SO2
8.67ppb
NO2
0.24ppm
CO
AQI 64
Moderate
15.66μg/m³
PM2.5
38.83μg/m³
PM10
15.35ppb
O3
0.95ppb
SO2
8.61ppb
NO2
0.24ppm
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 Rio Grande City, Texas is updated on an hourly basis.
The worst air quality in Rio Grande City, Texas was recorded at 06:00:00 on 2026-04-25.
The best air quality in Rio Grande City, Texas was recorded at 04:00:00 on 2026-04-24.
The real-time air quality index in Rio Grande City, Texas is 69, currently categorized as Moderate.
The most common pollutant in Rio Grande City, Texas is PM2.5.
If the air quality in Rio Grande City, Texas is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Rio Grande City, Texas at present are 19.034 μg/m3.
The current PM10 levels in Rio Grande City, Texas are 67.195 μg/m3.
The current carbon monoxide (CO) level in Rio Grande City, Texas is 0.18 ppm.
The current sulfur dioxide (SO2) levels in Rio Grande City, Texas are 0.353 ppb.
The current ozone (O3) levels at Rio Grande City, Texas is 18.914 ppm.
The current nitrogen dioxide (NO2) levels at Rio Grande City, Texas is 3.242 ppb.
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