Stay updated with real-time air quality in Longview, 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)
58
Moderate
Longview, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.10 μg/m³
0
55
155
255
425
605+
14.39 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
4.04 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Longview, Texas
Longview, Texas
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AQI 44
Good
8.28μg/m³
PM2.5
37.33μg/m³
PM10
12.42ppb
O3
0.77ppb
SO2
4.03ppb
NO2
0.33ppm
CO
AQI 73
Moderate
20.73μg/m³
PM2.5
59.84μg/m³
PM10
14.14ppb
O3
0.78ppb
SO2
4.04ppb
NO2
0.34ppm
CO
AQI 44
Good
7.90μg/m³
PM2.5
34.77μg/m³
PM10
17.88ppb
O3
0.74ppb
SO2
4.06ppb
NO2
0.33ppm
CO
AQI 66
Moderate
17.34μg/m³
PM2.5
49.60μg/m³
PM10
25.80ppb
O3
0.76ppb
SO2
4.08ppb
NO2
0.33ppm
CO
AQI 44
Good
8.15μg/m³
PM2.5
35.98μg/m³
PM10
20.06ppb
O3
0.74ppb
SO2
4.09ppb
NO2
0.33ppm
CO
AQI 69
Moderate
19.05μg/m³
PM2.5
84.93μg/m³
PM10
9.07ppb
O3
0.94ppb
SO2
4.61ppb
NO2
0.34ppm
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 Longview, Texas is updated every hour for accuracy.
In the past 24 hours, the air quality in Longview, Texas was at its worst at 10:00:00 on 2025-12-13.
In the last 24 hours, the best air quality in Longview, Texas was observed at 12:00:00 on 2025-12-14.
As of now, the AQI in Longview, Texas is 58, indicating Moderate conditions.
Longview, Texas air has the highest levels of PM2.5.
Poor air quality in Longview, Texas means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Longview, Texas are currently 12.812 μg/m3.
The PM10 concentration in Longview, Texas is 36.1 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Longview, Texas is 0.33 ppm.
Currently, Longview, Texas has a sulfur dioxide (SO2) concentration of 0.765 ppb.
The current ozone (O3) level in Longview, Texas at the moment is 14.387 ppm.
Nitrogen dioxide (NO2) level in Longview, Texas at the moment is 4.04 ppb.
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