Live air quality index in Longview, Texas today
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)
54
Moderate
Longview, Texas
Last updated: ... (Local time)
Major air pollutants in Longview, Texas
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
11.47 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
52.03 μg/m³
0
55
155
255
425
605+
Ozone (O3)
19.00 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.56 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
1.59 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Longview, Texas
Longview, Texas
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Air quality in nearby cities
Kilgore, Texas
AQI 56
Moderate
11.66μg/m³
PM2.5
56.35μg/m³
PM10
19.00ppb
O3
0.56ppb
SO2
1.59ppb
NO2
0.24ppm
CO
Marshall, Texas
AQI 56
Moderate
11.79μg/m³
PM2.5
50.70μg/m³
PM10
22.61ppb
O3
0.56ppb
SO2
1.59ppb
NO2
0.23ppm
CO
Henderson, Texas
AQI 56
Moderate
11.96μg/m³
PM2.5
55.90μg/m³
PM10
18.97ppb
O3
0.52ppb
SO2
1.59ppb
NO2
0.24ppm
CO
Tyler, Texas
AQI 56
Moderate
12.34μg/m³
PM2.5
47.72μg/m³
PM10
21.84ppb
O3
0.55ppb
SO2
1.60ppb
NO2
0.25ppm
CO
Jacksonville, Texas
AQI 56
Moderate
12.35μg/m³
PM2.5
52.43μg/m³
PM10
17.85ppb
O3
1.66ppb
SO2
1.59ppb
NO2
0.24ppm
CO
Shreveport, Louisiana
AQI 28
Good
3.98μg/m³
PM2.5
17.43μg/m³
PM10
29.86ppb
O3
0.53ppb
SO2
1.55ppb
NO2
0.23ppm
CO
How accurate is Texas, USA air quality data?
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
Frequently asked questions
How often is air quality information updated for Longview, Texas?
The air quality information for Longview, Texas is updated every hour for accuracy.
What time in the last 24 hours was the air quality in Longview, Texas at its worst?
In the past 24 hours, the air quality in Longview, Texas was at its worst at 06:00:00 on 2025-07-21.
When did Longview, Texas experience the best air quality in the last 24 hours?
In the last 24 hours, the best air quality in Longview, Texas was observed at 11:00:00 on 2025-07-21.
What is the AQI in Longview, Texas right now?
As of now, the AQI in Longview, Texas is 54, indicating Moderate conditions.
What is the most common type of pollution in Longview, Texas?
Longview, Texas air has the highest levels of PM2.5.
What should I do in case of poor air quality in Longview, Texas?
Poor air quality in Longview, Texas means it's advisable to stay indoors and wear a mask for your protection.
What is the PM2.5 level in Longview, Texas at the moment?
PM2.5 levels in Longview, Texas are currently 11.475 μg/m3.
What is the PM10 level in Longview, Texas at the moment?
The PM10 concentration in Longview, Texas is 52.029 μg/m3 at the moment.
What is the carbon monoxide (CO) level in Longview, Texas at the moment?
The current carbon monoxide (CO) concentration in Longview, Texas is 0.239 ppm.
What is the sulfur dioxide (SO2) level in Longview, Texas at the moment?
Currently, Longview, Texas has a sulfur dioxide (SO2) concentration of 0.556 ppb.
What is the ozone (O3) level in Longview, Texas at the moment?
The current ozone (O3) level in Longview, Texas at the moment is 18.995 ppm.
What is the nitrogen dioxide (NO2) level in Longview, Texas at the moment?
Nitrogen dioxide (NO2) level in Longview, Texas at the moment is 1.594 ppb.
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