Stay updated with real-time air quality in Allen, 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)
29
Good
Allen, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.55 μg/m³
0
55
155
255
425
605+
31.07 ppb
0
55
71
86
201
201+
1.14 ppb
0
36
76
186
605
1005+
2.79 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Allen, Texas
Allen, Texas
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AQI 52
Moderate
10.33μg/m³
PM2.5
34.70μg/m³
PM10
37.82ppb
O3
0.83ppb
SO2
3.45ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.25μg/m³
PM2.5
36.57μg/m³
PM10
33.90ppb
O3
0.83ppb
SO2
3.41ppb
NO2
0.35ppm
CO
AQI 52
Moderate
10.33μg/m³
PM2.5
34.70μg/m³
PM10
37.82ppb
O3
0.83ppb
SO2
3.45ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.08μg/m³
PM2.5
40.45μg/m³
PM10
33.91ppb
O3
0.83ppb
SO2
3.43ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.33μg/m³
PM2.5
32.38μg/m³
PM10
37.48ppb
O3
0.79ppb
SO2
3.43ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.93μg/m³
PM2.5
27.97μg/m³
PM10
33.79ppb
O3
0.64ppb
SO2
3.42ppb
NO2
0.35ppm
CO
The air quality data for Texas, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Allen, Texas are available every hour.
Allen, Texas experienced its worst air quality at 03:00:00, 2025-10-25.
The best air quality in Allen, Texas was observed at 02:00:00 on 2025-10-24.
The air quality in Allen, Texas right now is Moderate, with an AQI of 52.
In Allen, Texas, PM2.5 is the most frequently found pollutant.
When air quality in Allen, Texas is compromised, staying indoors and wearing a mask can reduce health risks.
Allen, Texas currently has a PM2.5 concentration of 10.433 μg/m3.
Allen, Texas currently has a PM10 concentration of 36.584 μg/m3.
The current carbon monoxide (CO) level in Allen, Texas is 0.355 ppm.
The current sulfur dioxide (SO2) concentration in Allen, Texas is 0.834 ppb.
Allen, Texas currently has an ozone (O3) concentration of 35.31 ppm.
The current level of nitrogen dioxide (NO2) in Allen, Texas is 3.433 ppb.
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