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)
40
Good
Bristol, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.00 μg/m³
0
55
155
255
425
605+
43.17 ppb
0
55
71
86
201
201+
3.07 ppb
0
36
76
186
605
1005+
2.77 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bristol, Tennessee
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AQI 41
Good
4.72μg/m³
PM2.5
18.00μg/m³
PM10
44.12ppb
O3
5.28ppb
SO2
3.14ppb
NO2
0.11ppm
CO
AQI 35
Good
2.52μg/m³
PM2.5
12.91μg/m³
PM10
38.36ppb
O3
5.44ppb
SO2
3.15ppb
NO2
0.10ppm
CO
AQI 40
Good
5.06μg/m³
PM2.5
20.40μg/m³
PM10
42.52ppb
O3
5.53ppb
SO2
3.14ppb
NO2
0.12ppm
CO
AQI 39
Good
3.62μg/m³
PM2.5
19.33μg/m³
PM10
42.00ppb
O3
4.52ppb
SO2
3.12ppb
NO2
0.14ppm
CO
AQI 39
Good
5.79μg/m³
PM2.5
19.55μg/m³
PM10
41.87ppb
O3
5.19ppb
SO2
3.07ppb
NO2
0.21ppm
CO
AQI 40
Good
4.11μg/m³
PM2.5
20.09μg/m³
PM10
43.00ppb
O3
4.23ppb
SO2
3.12ppb
NO2
0.13ppm
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 03:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Bristol, Tennessee was observed at 10:00:00 on 2026-03-09.
As of now, the AQI in Bristol, Tennessee is 40, indicating Good conditions.
Bristol, Tennessee air has the highest levels of O3.
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 2.863 μg/m3.
The PM10 concentration in Bristol, Tennessee is 12.003 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bristol, Tennessee is 0.141 ppm.
Currently, Bristol, Tennessee has a sulfur dioxide (SO2) concentration of 3.071 ppb.
The current ozone (O3) level in Bristol, Tennessee at the moment is 43.171 ppm.
Nitrogen dioxide (NO2) level in Bristol, Tennessee at the moment is 2.772 ppb.
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