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
8.62 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.81 μg/m³
0
55
155
255
425
605+
37.17 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
4.50 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Longview, Texas
Longview, Texas
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AQI 44
Good
7.96μg/m³
PM2.5
42.47μg/m³
PM10
9.67ppb
O3
0.61ppb
SO2
4.30ppb
NO2
0.23ppm
CO
AQI 52
Moderate
10.45μg/m³
PM2.5
39.88μg/m³
PM10
15.81ppb
O3
0.62ppb
SO2
4.26ppb
NO2
0.23ppm
CO
AQI 44
Good
8.36μg/m³
PM2.5
25.41μg/m³
PM10
9.22ppb
O3
0.61ppb
SO2
4.29ppb
NO2
0.23ppm
CO
AQI 41
Good
6.94μg/m³
PM2.5
44.27μg/m³
PM10
8.34ppb
O3
0.60ppb
SO2
4.32ppb
NO2
0.24ppm
CO
AQI 33
Good
6.07μg/m³
PM2.5
17.44μg/m³
PM10
6.35ppb
O3
0.60ppb
SO2
4.31ppb
NO2
0.24ppm
CO
AQI 44
Good
7.54μg/m³
PM2.5
33.04μg/m³
PM10
21.71ppb
O3
0.76ppb
SO2
4.23ppb
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 10:00:00 on 2025-09-04.
In the last 24 hours, the best air quality in Longview, Texas was observed at 05:00:00 on 2025-09-04.
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 8.622 μg/m3.
The PM10 concentration in Longview, Texas is 34.814 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Longview, Texas is 0.276 ppm.
Currently, Longview, Texas has a sulfur dioxide (SO2) concentration of 0.702 ppb.
The current ozone (O3) level in Longview, Texas at the moment is 37.167 ppm.
Nitrogen dioxide (NO2) level in Longview, Texas at the moment is 4.497 ppb.
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