Stay updated with real-time air quality in Bristol, Tennessee 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
Bristol, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.79 μg/m³
0
55
155
255
425
605+
18.97 ppb
0
55
71
86
201
201+
0.87 ppb
0
36
76
186
605
1005+
16.63 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bristol, Tennessee
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AQI 38
Good
6.76μg/m³
PM2.5
17.21μg/m³
PM10
14.62ppb
O3
0.70ppb
SO2
16.64ppb
NO2
0.42ppm
CO
AQI 49
Good
8.73μg/m³
PM2.5
43.53μg/m³
PM10
8.42ppb
O3
0.98ppb
SO2
13.50ppb
NO2
0.37ppm
CO
AQI 38
Good
7.13μg/m³
PM2.5
25.24μg/m³
PM10
18.46ppb
O3
0.79ppb
SO2
13.66ppb
NO2
0.42ppm
CO
AQI 38
Good
6.69μg/m³
PM2.5
21.63μg/m³
PM10
13.94ppb
O3
0.54ppb
SO2
11.11ppb
NO2
0.42ppm
CO
AQI 49
Good
9.45μg/m³
PM2.5
16.98μg/m³
PM10
15.71ppb
O3
0.69ppb
SO2
13.49ppb
NO2
0.50ppm
CO
AQI 54
Moderate
10.65μg/m³
PM2.5
41.48μg/m³
PM10
7.18ppb
O3
0.49ppb
SO2
14.60ppb
NO2
0.43ppm
CO
Air quality and pollutant data for Tennessee, 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 Bristol, Tennessee is updated every hour for accuracy.
In the past 24 hours, the air quality in Bristol, Tennessee was at its worst at 05:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Bristol, Tennessee was observed at 06:00:00 on 2025-12-06.
As of now, the AQI in Bristol, Tennessee is 56, indicating Moderate conditions.
Bristol, Tennessee air has the highest levels of PM2.5.
Poor air quality in Bristol, Tennessee means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Bristol, Tennessee are currently 11.899 μg/m3.
The PM10 concentration in Bristol, Tennessee is 25.793 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bristol, Tennessee is 0.417 ppm.
Currently, Bristol, Tennessee has a sulfur dioxide (SO2) concentration of 0.866 ppb.
The current ozone (O3) level in Bristol, Tennessee at the moment is 18.971 ppm.
Nitrogen dioxide (NO2) level in Bristol, Tennessee at the moment is 16.631 ppb.
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