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
13.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
70.31 μg/m³
0
55
155
255
425
605+
47.34 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
1.91 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Longview, Texas
Longview, Texas
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AQI 62
Moderate
15.19μg/m³
PM2.5
42.67μg/m³
PM10
44.41ppb
O3
0.48ppb
SO2
1.64ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.98μg/m³
PM2.5
48.56μg/m³
PM10
35.76ppb
O3
0.48ppb
SO2
1.63ppb
NO2
0.23ppm
CO
AQI 56
Moderate
11.68μg/m³
PM2.5
50.06μg/m³
PM10
39.71ppb
O3
0.49ppb
SO2
1.65ppb
NO2
0.22ppm
CO
AQI 60
Moderate
13.80μg/m³
PM2.5
50.41μg/m³
PM10
54.31ppb
O3
0.48ppb
SO2
1.64ppb
NO2
0.22ppm
CO
AQI 58
Moderate
12.63μg/m³
PM2.5
50.22μg/m³
PM10
42.90ppb
O3
0.49ppb
SO2
1.65ppb
NO2
0.22ppm
CO
AQI 33
Good
5.59μg/m³
PM2.5
24.43μg/m³
PM10
33.01ppb
O3
0.62ppb
SO2
1.92ppb
NO2
0.23ppm
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 2026-07-23.
In the last 24 hours, the best air quality in Longview, Texas was observed at 08:00:00 on 2026-07-23.
As of now, the AQI in Longview, Texas is 58, indicating Moderate conditions.
Longview, Texas air has the highest levels of PM10.
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 13.294 μg/m3.
The PM10 concentration in Longview, Texas is 70.305 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Longview, Texas is 0.221 ppm.
Currently, Longview, Texas has a sulfur dioxide (SO2) concentration of 0.542 ppb.
The current ozone (O3) level in Longview, Texas at the moment is 47.344 ppm.
Nitrogen dioxide (NO2) level in Longview, Texas at the moment is 1.914 ppb.
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