What is the current concentration of PM10 in Portland, Tennessee?

The current PM10 concentration at Portland, Tennessee is 10.395 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Portland, Tennessee?

The current sulfur dioxide (SO2) concentration at Portland, Tennessee is 0.98 ppb.

What is the current concentration of ozone (O3) in Portland, Tennessee?

The current ozone (O3) concentration at Portland, Tennessee is 35.256 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Portland, Tennessee?

The current nitrogen dioxide (NO2) concentration at Portland, Tennessee is 6.892 ppb.

Portland, Tennessee live air quality index now

Q: What is the current concentration of PM2.5 in Portland, Tennessee?

The current PM2.5 concentration at Portland, Tennessee is 2.577 μg/m3.

Stay updated with real-time air quality in Portland, Tennessee featuring accurate data on AQI, PM_2.5, 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)

Good

Portland, Tennessee

Last updated: ... (Local time)

Major air pollutants in Portland, Tennessee

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.96 μg/m³

155

255

425

605+

Ozone (O₃)

10.11 ppb

201

201+

Sulfur Dioxide (SO₂)

0.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.53 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.70 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Portland, Tennessee

Scroll To Air Quality Map

Track live Portland, Tennessee air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-22T15:00:00.000Z	22 \| good	4.493 \| good	17.401 \| good	19.995 \| good	1.09 \| good	3.729 \| good	0.176 \| good
2025-10-22T16:00:00.000Z	27 \| good	5.249 \| good	23.564 \| good	24.766 \| good	0.964 \| good	3.901 \| good	0.178 \| good
2025-10-22T17:00:00.000Z	25 \| good	3.378 \| good	12.702 \| good	26.707 \| good	0.917 \| good	3.968 \| good	0.202 \| good
2025-10-22T18:00:00.000Z	29 \| good	2.881 \| good	16.204 \| good	30.629 \| good	0.963 \| good	4.078 \| good	0.124 \| good
2025-10-22T19:00:00.000Z	30 \| good	2.611 \| good	12.411 \| good	31.732 \| good	0.941 \| good	4.295 \| good	0.138 \| good
2025-10-22T20:00:00.000Z	33 \| good	2.155 \| good	11.65 \| good	35.689 \| good	1.034 \| good	4.047 \| good	0.162 \| good
2025-10-22T21:00:00.000Z	34 \| good	2.22 \| good	13.004 \| good	37.026 \| good	1.034 \| good	4.322 \| good	0.138 \| good
2025-10-22T22:00:00.000Z	34 \| good	2.796 \| good	10.946 \| good	37.206 \| good	1.077 \| good	4.198 \| good	0.152 \| good
2025-10-22T23:00:00.000Z	34 \| good	1.895 \| good	8.748 \| good	37.448 \| good	1.111 \| good	5.022 \| good	0.152 \| good
2025-10-23T00:00:00.000Z	32 \| good	2.577 \| good	10.395 \| good	35.256 \| good	0.98 \| good	6.892 \| good	0.176 \| good
2025-10-23T01:00:00.000Z	29 \| good	3.083 \| good	13.738 \| good	31.475 \| good	0.964 \| good	8.823 \| good	0.201 \| good
2025-10-23T02:00:00.000Z	27 \| good	2.756 \| good	9.193 \| good	29.354 \| good	0.875 \| good	14.849 \| good	0.214 \| good
2025-10-23T03:00:00.000Z	29 \| good	2.455 \| good	12.409 \| good	30.521 \| good	0.819 \| good	14.383 \| good	0.266 \| good
2025-10-23T04:00:00.000Z	19 \| good	3.24 \| good	20.888 \| good	20.606 \| good	0.821 \| good	14.205 \| good	0.29 \| good
2025-10-23T05:00:00.000Z	22 \| good	3.778 \| good	22.607 \| good	16.319 \| good	0.835 \| good	12.866 \| good	0.303 \| good
2025-10-23T06:00:00.000Z	22 \| good	3.551 \| good	18.976 \| good	20.42 \| good	0.767 \| good	12.833 \| good	0.242 \| good
2025-10-23T07:00:00.000Z	27 \| good	4.617 \| good	21.14 \| good	16.988 \| good	0.95 \| good	10.248 \| good	0.234 \| good
2025-10-23T08:00:00.000Z	27 \| good	5.446 \| good	13.481 \| good	12.495 \| good	1.135 \| good	16.528 \| good	0.2 \| good
2025-10-23T09:00:00.000Z	44 \| good	8.488 \| good	24.214 \| good	14.471 \| good	1.147 \| good	18.697 \| good	0.224 \| good
2025-10-23T10:00:00.000Z	20 \| good	3.312 \| good	11.775 \| good	8.763 \| good	1.032 \| good	21.126 \| good	0.335 \| good
2025-10-23T11:00:00.000Z	64 \| moderate	15.892 \| fine	18.163 \| good	4.151 \| good	0.858 \| good	19.206 \| good	0.324 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.207 \| good	23.837 \| good	6.555 \| good	0.805 \| good	19.219 \| good	0.435 \| good
2025-10-23T13:00:00.000Z	22 \| good	4.162 \| good	19.352 \| good	5.205 \| good	0.838 \| good	15.6 \| good	0.421 \| good
2025-10-23T14:00:00.000Z	27 \| good	5 \| good	18.343 \| good	12.729 \| good	0.85 \| good	17.33 \| good	0.472 \| good
2025-10-23T15:00:00.000Z	19 \| good	3.392 \| good	20.946 \| good	16.675 \| good	1.494 \| good	12.404 \| good	0.344 \| good
2025-10-23T16:00:00.000Z	27 \| good	4.57 \| good	14.793 \| good	19.999 \| good	1.071 \| good	7.41 \| good	0.199 \| good
2025-10-23T17:00:00.000Z	27 \| good	4.617 \| good	15.565 \| good	24.721 \| good	0.872 \| good	4.287 \| good	0.176 \| good
2025-10-23T18:00:00.000Z	27 \| good	4.557 \| good	20.995 \| good	28.534 \| good	0.789 \| good	3.181 \| good	0.176 \| good
2025-10-23T19:00:00.000Z	33 \| good	5.512 \| good	28.07 \| good	33.769 \| good	0.757 \| good	3.295 \| good	0.162 \| good
2025-10-23T20:00:00.000Z	49 \| good	8.534 \| good	35.518 \| good	35.289 \| good	0.801 \| good	3.422 \| good	0.176 \| good
2025-10-23T21:00:00.000Z	34 \| good	5.913 \| good	27.569 \| good	36.699 \| good	0.841 \| good	3.886 \| good	0.152 \| good
2025-10-23T22:00:00.000Z	33 \| good	3.369 \| good	15.969 \| good	35.729 \| good	0.973 \| good	4.821 \| good	0.176 \| good
2025-10-23T23:00:00.000Z	32 \| good	3.494 \| good	9.424 \| good	34.983 \| good	0.958 \| good	4.913 \| good	0.176 \| good
2025-10-24T00:00:00.000Z	33 \| good	3.383 \| good	10.626 \| good	36.033 \| good	0.911 \| good	8.096 \| good	0.152 \| good
2025-10-24T01:00:00.000Z	28 \| good	4.349 \| good	12.244 \| good	29.919 \| good	0.7 \| good	9.674 \| good	0.238 \| good
2025-10-24T02:00:00.000Z	38 \| good	7.034 \| good	27.067 \| good	26.306 \| good	0.853 \| good	12.66 \| good	0.35 \| good
2025-10-24T03:00:00.000Z	22 \| good	4.049 \| good	17.926 \| good	22.877 \| good	2.477 \| good	4.855 \| good	0.167 \| good
2025-10-24T04:00:00.000Z	33 \| good	5.895 \| good	21.495 \| good	23.341 \| good	0.897 \| good	18.54 \| good	0.376 \| good
2025-10-24T05:00:00.000Z	38 \| good	7.317 \| good	38.476 \| good	21.24 \| good	0.721 \| good	27.031 \| good	0.524 \| good
2025-10-24T06:00:00.000Z	33 \| good	6.008 \| good	23.602 \| good	21.34 \| good	0.932 \| good	24.752 \| good	0.487 \| good
2025-10-24T07:00:00.000Z	27 \| good	5.174 \| good	23.145 \| good	22.307 \| good	0.907 \| good	19.936 \| good	0.473 \| good
2025-10-24T08:00:00.000Z	22 \| good	4.373 \| good	23.707 \| good	15.05 \| good	0.926 \| good	21.559 \| good	0.397 \| good
2025-10-24T09:00:00.000Z	17 \| good	1.789 \| good	17.717 \| good	9.194 \| good	0.936 \| good	17.503 \| good	0.372 \| good
2025-10-24T10:00:00.000Z	20 \| good	3.203 \| good	22.24 \| good	4.54 \| good	0.983 \| good	18.912 \| good	0.41 \| good
2025-10-24T11:00:00.000Z	19 \| good	3.064 \| good	19.508 \| good	4.698 \| good	0.543 \| good	17.706 \| good	0.448 \| good
2025-10-24T12:00:00.000Z	29 \| good	4.054 \| good	31.347 \| good	4.979 \| good	0.585 \| good	17.692 \| good	0.587 \| good
2025-10-24T13:00:00.000Z	22 \| good	3.713 \| good	10.955 \| good	10.114 \| good	0.621 \| good	13.53 \| good	0.7 \| good
2025-10-24T14:00:00.000Z	33 \| good	6.175 \| good	30.874 \| good	7.578 \| good	0.718 \| good	17.671 \| good	0.755 \| good
2025-10-24T14:00:00.000Z	22 \| good	3.713 \| good	10.955 \| good	10.114 \| good	0.621 \| good	13.53 \| good	0.7 \| good
2025-10-23T02:00:00.000Z	38 \| good	7.315 \| good	32.43 \| good	18.42 \| good	0.748 \| good	3.813 \| good	0.156 \| good
2025-10-23T03:00:00.000Z	44 \| good	7.727 \| good	34.006 \| good	15.962 \| good	0.76 \| good	3.894 \| good	0.158 \| good
2025-10-23T04:00:00.000Z	38 \| good	7.181 \| good	31.667 \| good	10.966 \| good	0.73 \| good	3.879 \| good	0.158 \| good
2025-10-23T05:00:00.000Z	38 \| good	7.457 \| good	32.91 \| good	9.732 \| good	0.699 \| good	3.864 \| good	0.159 \| good
2025-10-23T06:00:00.000Z	44 \| good	7.699 \| good	33.753 \| good	8.19 \| good	0.668 \| good	3.848 \| good	0.159 \| good
2025-10-23T07:00:00.000Z	44 \| good	7.722 \| good	33.984 \| good	9.032 \| good	0.647 \| good	3.944 \| good	0.16 \| good
2025-10-23T08:00:00.000Z	33 \| good	5.787 \| good	25.456 \| good	6.018 \| good	0.625 \| good	4.039 \| good	0.161 \| good
2025-10-23T09:00:00.000Z	33 \| good	6.002 \| good	26.556 \| good	6.05 \| good	0.604 \| good	4.135 \| good	0.163 \| good
2025-10-23T10:00:00.000Z	38 \| good	7.387 \| good	32.549 \| good	5.387 \| good	0.591 \| good	4.539 \| good	0.166 \| good
2025-10-23T11:00:00.000Z	44 \| good	7.562 \| good	33.08 \| good	1.785 \| good	0.579 \| good	4.943 \| good	0.17 \| good
2025-10-23T12:00:00.000Z	44 \| good	8.022 \| good	35.371 \| good	3.198 \| good	0.566 \| good	5.347 \| good	0.173 \| good
2025-10-23T13:00:00.000Z	49 \| good	9.282 \| good	41.359 \| good	10.499 \| good	0.689 \| good	4.509 \| good	0.172 \| good
2025-10-23T14:00:00.000Z	49 \| good	9.083 \| good	40.248 \| good	18.261 \| good	0.812 \| good	3.672 \| good	0.171 \| good
2025-10-23T15:00:00.000Z	33 \| good	5.754 \| good	25.179 \| good	25.001 \| good	0.935 \| good	2.834 \| good	0.17 \| good
2025-10-23T16:00:00.000Z	33 \| good	5.983 \| good	26.162 \| good	31.264 \| good	1.242 \| good	2.29 \| good	0.163 \| good
2025-10-23T17:00:00.000Z	35 \| good	6.304 \| good	27.867 \| good	37.648 \| good	1.55 \| good	1.746 \| good	0.156 \| good
2025-10-23T18:00:00.000Z	38 \| good	5.054 \| good	21.658 \| good	40.544 \| good	1.857 \| good	1.202 \| good	0.149 \| good
2025-10-23T19:00:00.000Z	39 \| good	4.374 \| good	19.002 \| good	41.93 \| good	1.913 \| good	1.127 \| good	0.145 \| good
2025-10-23T20:00:00.000Z	37 \| good	4.731 \| good	20.589 \| good	40.131 \| good	1.969 \| good	1.051 \| good	0.141 \| good
2025-10-23T21:00:00.000Z	36 \| good	3.669 \| good	15.882 \| good	38.781 \| good	2.025 \| good	0.975 \| good	0.137 \| good
2025-10-23T22:00:00.000Z	33 \| good	5.506 \| good	23.824 \| good	35.893 \| good	1.941 \| good	2.521 \| good	0.149 \| good
2025-10-23T23:00:00.000Z	27 \| good	3.597 \| good	15.488 \| good	29.275 \| good	1.858 \| good	4.067 \| good	0.162 \| good
2025-10-24T00:00:00.000Z	25 \| good	3.969 \| good	17.414 \| good	26.533 \| good	1.774 \| good	5.612 \| good	0.174 \| good
2025-10-24T01:00:00.000Z	27 \| good	4.823 \| good	20.703 \| good	25.71 \| good	1.757 \| good	5.737 \| good	0.176 \| good
2025-10-24T02:00:00.000Z	27 \| good	4.836 \| good	20.781 \| good	21.804 \| good	1.739 \| good	5.862 \| good	0.177 \| good
2025-10-24T03:00:00.000Z	22 \| good	4.447 \| good	19.18 \| good	22.976 \| good	1.721 \| good	5.986 \| good	0.179 \| good
2025-10-24T04:00:00.000Z	22 \| good	4.15 \| good	17.932 \| good	23.167 \| good	1.802 \| good	6.038 \| good	0.179 \| good
2025-10-24T05:00:00.000Z	22 \| good	3.614 \| good	15.799 \| good	22.595 \| good	1.883 \| good	6.089 \| good	0.179 \| good
2025-10-24T06:00:00.000Z	22 \| good	3.566 \| good	15.475 \| good	21.2 \| good	1.964 \| good	6.141 \| good	0.179 \| good
2025-10-24T07:00:00.000Z	22 \| good	3.663 \| good	16.202 \| good	19.778 \| good	2.052 \| good	6.13 \| good	0.178 \| good
2025-10-24T08:00:00.000Z	18 \| good	2.19 \| good	9.23 \| good	18.807 \| good	2.14 \| good	6.118 \| good	0.178 \| good
2025-10-24T09:00:00.000Z	17 \| good	2.329 \| good	9.635 \| good	17.928 \| good	2.228 \| good	6.107 \| good	0.177 \| good
2025-10-24T10:00:00.000Z	11 \| good	2.354 \| good	9.669 \| good	11.734 \| good	2.237 \| good	6.857 \| good	0.183 \| good
2025-10-24T11:00:00.000Z	16 \| good	2.579 \| good	10.376 \| good	8.452 \| good	2.247 \| good	7.607 \| good	0.19 \| good
2025-10-24T12:00:00.000Z	11 \| good	1.855 \| good	7.7 \| good	10.65 \| good	2.257 \| good	8.357 \| good	0.196 \| good
2025-10-24T13:00:00.000Z	18 \| good	2.007 \| good	8.291 \| good	18.507 \| good	2.835 \| good	6.503 \| good	0.184 \| good
2025-10-24T14:00:00.000Z	21 \| good	3.195 \| good	14.058 \| good	23.421 \| good	3.413 \| good	4.65 \| good	0.172 \| good
2025-10-24T15:00:00.000Z	27 \| good	2.751 \| good	11.311 \| good	28.576 \| good	3.991 \| good	2.796 \| good	0.159 \| good
2025-10-24T16:00:00.000Z	31 \| good	2.57 \| good	10.753 \| good	33.443 \| good	3.598 \| good	2.222 \| good	0.15 \| good
2025-10-24T17:00:00.000Z	32 \| good	2.659 \| good	10.978 \| good	35.331 \| good	3.205 \| good	1.648 \| good	0.14 \| good
2025-10-24T18:00:00.000Z	33 \| good	2.604 \| good	10.725 \| good	36.068 \| good	2.812 \| good	1.075 \| good	0.131 \| good
2025-10-24T19:00:00.000Z	31 \| good	3.078 \| good	12.751 \| good	34.337 \| good	2.628 \| good	1.099 \| good	0.13 \| good
2025-10-24T20:00:00.000Z	33 \| good	2.986 \| good	12.233 \| good	35.517 \| good	2.443 \| good	1.123 \| good	0.129 \| good
2025-10-24T21:00:00.000Z	34 \| good	2.551 \| good	10.497 \| good	36.953 \| good	2.259 \| good	1.148 \| good	0.129 \| good
2025-10-24T22:00:00.000Z	31 \| good	4.119 \| good	17.982 \| good	33.501 \| good	2.123 \| good	3.426 \| good	0.15 \| good
2025-10-24T23:00:00.000Z	26 \| good	2.078 \| good	8.627 \| good	28.197 \| good	1.987 \| good	5.705 \| good	0.171 \| good
2025-10-25T00:00:00.000Z	38 \| good	6.843 \| good	6.991 \| good	26.879 \| good	1.861 \| good	8.013 \| good	0.192 \| good
2025-10-25T01:00:00.000Z	24 \| good	2.622 \| good	10.659 \| good	26.333 \| good	1.766 \| good	7.081 \| good	0.185 \| good

Portland

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Portland, Tennessee air quality map: Track AQI near you

0.23ppm

How accurate is Tennessee, USA air quality data?

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

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Frequently asked questions

How often is the air quality data for Portland, Tennessee updated?

The air quality for Portland, Tennessee is updated every hour.

When was the worst air quality at Portland, Tennessee in the last 24 hrs?

The worst air quality in Portland, Tennessee in the last 24 hours was observed at 11:00:00 on 2025-10-22.

When was the best air quality at Portland, Tennessee in the last 24 hrs?

In the last 24 hrs, the best air quality in Portland, Tennessee was observed at 11:00:00 on 2025-10-22.

What is the current air quality in Portland, Tennessee?

The current air quality in Portland, Tennessee is 32, categorized as Good based on real-time data.

What pollutant is the most common in Portland, Tennessee?

The most common pollutant in Portland, Tennessee is O3.

What should I do if the air quality in Portland, Tennessee is poor?

If the air quality in Portland, Tennessee is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Portland, Tennessee?

The current PM_2.5 concentration at Portland, Tennessee is 2.577 μg/m³.

What is the current concentration of PM₁₀ in Portland, Tennessee?

The current PM₁₀ concentration at Portland, Tennessee is 10.395 μg/m³.

What is the current concentration of carbon monoxide (CO) in Portland, Tennessee?

The current carbon monoxide (CO) concentration at Portland, Tennessee is 0.176 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Portland, Tennessee?

The current sulfur dioxide (SO₂) concentration at Portland, Tennessee is 0.98 ppb.

What is the current concentration of ozone (O₃) in Portland, Tennessee?

The current ozone (O₃) concentration at Portland, Tennessee is 35.256 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Portland, Tennessee?

The current nitrogen dioxide (NO₂) concentration at Portland, Tennessee is 6.892 ppb.

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