Stay updated with real-time air quality in Portland, 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)
58
Moderate
Portland, Tennessee
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
13.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.72 μg/m³
0
55
155
255
425
605+
46.14 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
5.28 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Portland, Tennessee
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AQI 58
Moderate
13.38μg/m³
PM2.5
35.51μg/m³
PM10
42.98ppb
O3
0.66ppb
SO2
5.01ppb
NO2
0.28ppm
CO
AQI 60
Moderate
13.62μg/m³
PM2.5
59.42μg/m³
PM10
39.39ppb
O3
0.66ppb
SO2
9.87ppb
NO2
0.28ppm
CO
AQI 58
Moderate
13.46μg/m³
PM2.5
50.71μg/m³
PM10
40.58ppb
O3
0.66ppb
SO2
9.50ppb
NO2
0.46ppm
CO
AQI 64
Moderate
15.59μg/m³
PM2.5
64.83μg/m³
PM10
42.55ppb
O3
0.66ppb
SO2
10.13ppb
NO2
0.45ppm
CO
AQI 64
Moderate
16.02μg/m³
PM2.5
53.60μg/m³
PM10
41.29ppb
O3
0.66ppb
SO2
10.16ppb
NO2
0.43ppm
CO
AQI 58
Moderate
13.34μg/m³
PM2.5
44.16μg/m³
PM10
40.55ppb
O3
0.66ppb
SO2
9.82ppb
NO2
0.28ppm
CO
Air quality data and pollutant measurements for Tennessee, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Portland, Tennessee is updated every hour.
The worst air quality in Portland, Tennessee in the last 24 hours was observed at 11:00:00 on 2025-05-31.
In the last 24 hrs, the best air quality in Portland, Tennessee was observed at 03:00:00 on 2025-06-01.
The current air quality in Portland, Tennessee is 58, categorized as Moderate based on real-time data.
The most common pollutant in Portland, Tennessee is PM2.5.
If the air quality in Portland, Tennessee is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Portland, Tennessee is 13.265 μg/m3.
The current PM10 concentration at Portland, Tennessee is 42.719 μg/m3.
The current carbon monoxide (CO) concentration at Portland, Tennessee is 0.368 ppm.
The current sulfur dioxide (SO2) concentration at Portland, Tennessee is 0.655 ppb.
The current ozone (O3) concentration at Portland, Tennessee is 46.136 ppm.
The current nitrogen dioxide (NO2) concentration at Portland, Tennessee is 5.278 ppb.
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