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)
49
Good
Longview, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.49 μg/m³
0
55
155
255
425
605+
14.76 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
6.66 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Longview, Texas
Longview, Texas
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AQI 49
Good
9.24μg/m³
PM2.5
38.57μg/m³
PM10
16.52ppb
O3
0.73ppb
SO2
6.61ppb
NO2
0.38ppm
CO
AQI 52
Moderate
9.63μg/m³
PM2.5
37.57μg/m³
PM10
8.68ppb
O3
0.65ppb
SO2
4.79ppb
NO2
0.38ppm
CO
AQI 49
Good
9.32μg/m³
PM2.5
40.02μg/m³
PM10
13.54ppb
O3
0.73ppb
SO2
4.59ppb
NO2
0.38ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
28.99μg/m³
PM10
14.66ppb
O3
0.74ppb
SO2
6.76ppb
NO2
0.38ppm
CO
AQI 44
Good
7.81μg/m³
PM2.5
38.66μg/m³
PM10
14.93ppb
O3
0.74ppb
SO2
6.53ppb
NO2
0.38ppm
CO
AQI 56
Moderate
11.65μg/m³
PM2.5
51.67μg/m³
PM10
11.84ppb
O3
0.81ppb
SO2
2.60ppb
NO2
0.37ppm
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 07:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Longview, Texas was observed at 05:00:00 on 2026-09-07.
As of now, the AQI in Longview, Texas is 49, indicating Good 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 9.248 μg/m3.
The PM10 concentration in Longview, Texas is 29.487 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Longview, Texas is 0.381 ppm.
Currently, Longview, Texas has a sulfur dioxide (SO2) concentration of 0.732 ppb.
The current ozone (O3) level in Longview, Texas at the moment is 14.758 ppm.
Nitrogen dioxide (NO2) level in Longview, Texas at the moment is 6.66 ppb.
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