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

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.06 μg/m³
0
55
155
255
425
605+
13.52 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
4.41 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Longview, Texas
Longview, Texas
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AQI 56
Moderate
12.21μg/m³
PM2.5
43.36μg/m³
PM10
14.64ppb
O3
0.53ppb
SO2
4.97ppb
NO2
0.34ppm
CO
AQI 56
Moderate
11.59μg/m³
PM2.5
51.49μg/m³
PM10
10.22ppb
O3
0.52ppb
SO2
5.08ppb
NO2
0.33ppm
CO
AQI 56
Moderate
12.15μg/m³
PM2.5
52.88μg/m³
PM10
14.87ppb
O3
0.53ppb
SO2
5.08ppb
NO2
0.34ppm
CO
AQI 62
Moderate
14.67μg/m³
PM2.5
66.13μg/m³
PM10
14.52ppb
O3
0.45ppb
SO2
4.18ppb
NO2
0.34ppm
CO
AQI 60
Moderate
13.55μg/m³
PM2.5
46.07μg/m³
PM10
12.82ppb
O3
0.53ppb
SO2
5.06ppb
NO2
0.34ppm
CO
AQI 66
Moderate
17.02μg/m³
PM2.5
76.34μg/m³
PM10
8.01ppb
O3
0.51ppb
SO2
6.84ppb
NO2
0.32ppm
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 03:00:00 on 2026-06-08.
In the last 24 hours, the best air quality in Longview, Texas was observed at 01:00:00 on 2026-06-07.
As of now, the AQI in Longview, Texas is 56, 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 12.281 μg/m3.
The PM10 concentration in Longview, Texas is 42.062 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Longview, Texas is 0.336 ppm.
Currently, Longview, Texas has a sulfur dioxide (SO2) concentration of 0.523 ppb.
The current ozone (O3) level in Longview, Texas at the moment is 13.519 ppm.
Nitrogen dioxide (NO2) level in Longview, Texas at the moment is 4.405 ppb.
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