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)
38
Good
Bristol, Tennessee
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.63 μg/m³
0
55
155
255
425
605+
34.04 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
5.65 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bristol, Tennessee
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AQI 38
Good
6.97μg/m³
PM2.5
29.52μg/m³
PM10
35.58ppb
O3
0.20ppb
SO2
5.65ppb
NO2
0.23ppm
CO
AQI 44
Good
8.13μg/m³
PM2.5
33.48μg/m³
PM10
31.76ppb
O3
0.36ppb
SO2
5.65ppb
NO2
0.26ppm
CO
AQI 38
Good
7.06μg/m³
PM2.5
29.82μg/m³
PM10
33.93ppb
O3
0.20ppb
SO2
5.65ppb
NO2
0.23ppm
CO
AQI 25
Good
4.39μg/m³
PM2.5
20.92μg/m³
PM10
26.85ppb
O3
0.20ppb
SO2
5.66ppb
NO2
0.26ppm
CO
AQI 44
Good
8.22μg/m³
PM2.5
33.88μg/m³
PM10
25.11ppb
O3
0.13ppb
SO2
5.55ppb
NO2
0.20ppm
CO
AQI 28
Good
5.08μg/m³
PM2.5
20.96μg/m³
PM10
29.94ppb
O3
0.20ppb
SO2
5.75ppb
NO2
0.25ppm
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 2026-07-23.
In the last 24 hours, the best air quality in Bristol, Tennessee was observed at 11:00:00 on 2026-07-22.
As of now, the AQI in Bristol, Tennessee is 38, indicating Good 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 6.958 μg/m3.
The PM10 concentration in Bristol, Tennessee is 16.633 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bristol, Tennessee is 0.259 ppm.
Currently, Bristol, Tennessee has a sulfur dioxide (SO2) concentration of 0.359 ppb.
The current ozone (O3) level in Bristol, Tennessee at the moment is 34.044 ppm.
Nitrogen dioxide (NO2) level in Bristol, Tennessee at the moment is 5.646 ppb.
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