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

The current PM10 concentration at Portland, Tennessee is 46.359 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Portland, Tennessee is 1.398 ppb.

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

The current ozone (O3) concentration at Portland, Tennessee is 21.441 ppm.

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

The current nitrogen dioxide (NO2) concentration at Portland, Tennessee is 3.993 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 13.198 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)

Moderate

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)

13.20 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

46.36 μg/m³

155

255

425

605+

Ozone (O₃)

21.44 ppb

201

201+

Sulfur Dioxide (SO₂)

1.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.99 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 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
2025-12-11T21:00:00.000Z	49 \| good	8.585 \| good	33.249 \| good	27.72 \| good	0.757 \| good	7.558 \| good	0.19 \| good
2025-12-11T22:00:00.000Z	49 \| good	8.503 \| good	16.398 \| good	26.41 \| good	0.807 \| good	8.288 \| good	0.238 \| good
2025-12-11T23:00:00.000Z	44 \| good	8.181 \| good	28.521 \| good	24.86 \| good	0.912 \| good	9.09 \| good	0.228 \| good
2025-12-12T00:00:00.000Z	38 \| good	7.13 \| good	27.148 \| good	24.331 \| good	1.201 \| good	8.829 \| good	0.238 \| good
2025-12-12T01:00:00.000Z	44 \| good	8.221 \| good	24.855 \| good	23.789 \| good	0.856 \| good	11.718 \| good	0.263 \| good
2025-12-12T02:00:00.000Z	44 \| good	8.464 \| good	32.774 \| good	19.194 \| good	0.691 \| good	8.478 \| good	0.215 \| good
2025-12-12T03:00:00.000Z	66 \| moderate	16.571 \| fine	73.243 \| fine	8.576 \| good	1.268 \| good	8.679 \| good	0.224 \| good
2025-12-12T04:00:00.000Z	56 \| moderate	11.972 \| good	33.933 \| good	16.742 \| good	0.567 \| good	6.562 \| good	0.239 \| good
2025-12-12T05:00:00.000Z	52 \| moderate	9.936 \| good	33.353 \| good	16.22 \| good	0.562 \| good	7.936 \| good	0.238 \| good
2025-12-12T06:00:00.000Z	52 \| moderate	10.09 \| good	31.502 \| good	15.881 \| good	0.666 \| good	7.095 \| good	0.239 \| good
2025-12-12T07:00:00.000Z	54 \| moderate	10.505 \| good	30.66 \| good	18.88 \| good	0.598 \| good	7.513 \| good	0.232 \| good
2025-12-12T08:00:00.000Z	52 \| moderate	10.283 \| good	40.095 \| good	18.668 \| good	0.802 \| good	7.356 \| good	0.165 \| good
2025-12-12T09:00:00.000Z	52 \| moderate	10.309 \| good	37.218 \| good	17.665 \| good	0.805 \| good	6.695 \| good	0.165 \| good
2025-12-12T10:00:00.000Z	49 \| good	9.006 \| good	21.344 \| good	17.395 \| good	0.968 \| good	7.959 \| good	0.19 \| good
2025-12-12T11:00:00.000Z	52 \| moderate	10.069 \| good	45.621 \| good	15.059 \| good	1.918 \| good	8.332 \| good	0.19 \| good
2025-12-12T12:00:00.000Z	52 \| moderate	9.518 \| good	35.005 \| good	13.97 \| good	3.727 \| good	9.888 \| good	0.228 \| good
2025-12-12T13:00:00.000Z	52 \| moderate	10.152 \| good	35.93 \| good	11.372 \| good	3.716 \| good	8.723 \| good	0.334 \| good
2025-12-12T14:00:00.000Z	54 \| moderate	10.887 \| good	25.885 \| good	10.75 \| good	6.193 \| good	10.477 \| good	0.242 \| good
2025-12-12T15:00:00.000Z	49 \| good	8.628 \| good	37.574 \| good	15.001 \| good	1.213 \| good	10.831 \| good	0.266 \| good
2025-12-12T16:00:00.000Z	52 \| moderate	9.656 \| good	31.654 \| good	17.004 \| good	3.65 \| good	9.726 \| good	0.266 \| good
2025-12-12T17:00:00.000Z	44 \| good	8.489 \| good	31.394 \| good	19.572 \| good	0.486 \| good	7.113 \| good	0.228 \| good
2025-12-12T18:00:00.000Z	44 \| good	8.143 \| good	24.316 \| good	19.509 \| good	1.567 \| good	7.313 \| good	0.228 \| good
2025-12-12T19:00:00.000Z	49 \| good	9.154 \| good	38.734 \| good	20.688 \| good	2.814 \| good	6.465 \| good	0.204 \| good
2025-12-12T20:00:00.000Z	49 \| good	8.876 \| good	40.066 \| good	26.659 \| good	0.827 \| good	6.106 \| good	0.228 \| good
2025-12-12T21:00:00.000Z	44 \| good	7.794 \| good	35.513 \| good	27.932 \| good	0.504 \| good	5.953 \| good	0.189 \| good
2025-12-12T22:00:00.000Z	44 \| good	8.184 \| good	38.518 \| good	26.256 \| good	0.462 \| good	5.665 \| good	0.255 \| good
2025-12-12T23:00:00.000Z	49 \| good	8.71 \| good	32.142 \| good	28.45 \| good	0.485 \| good	5.207 \| good	0.269 \| good
2025-12-13T00:00:00.000Z	49 \| good	9.134 \| good	37.006 \| good	21.004 \| good	0.35 \| good	6.925 \| good	0.258 \| good
2025-12-13T01:00:00.000Z	49 \| good	8.772 \| good	29.541 \| good	19.753 \| good	0.585 \| good	6.204 \| good	0.252 \| good
2025-12-13T02:00:00.000Z	52 \| moderate	9.884 \| good	55.052 \| fine	17.856 \| good	0.598 \| good	4.229 \| good	0.338 \| good
2025-12-13T03:00:00.000Z	60 \| moderate	13.61 \| fine	61.263 \| fine	16.661 \| good	0.83 \| good	6.798 \| good	0.206 \| good
2025-12-13T04:00:00.000Z	58 \| moderate	13.193 \| fine	44.036 \| good	19.116 \| good	0.631 \| good	5.598 \| good	0.335 \| good
2025-12-13T05:00:00.000Z	54 \| moderate	11.2 \| good	39.114 \| good	25.795 \| good	0.516 \| good	4.929 \| good	0.358 \| good
2025-12-13T06:00:00.000Z	58 \| moderate	13.072 \| fine	39.723 \| good	25.134 \| good	0.526 \| good	3.668 \| good	0.377 \| good
2025-12-13T07:00:00.000Z	58 \| moderate	12.887 \| fine	46.976 \| good	22.549 \| good	0.605 \| good	7.303 \| good	0.253 \| good
2025-12-13T08:00:00.000Z	56 \| moderate	12.236 \| fine	22.437 \| good	18.776 \| good	0.505 \| good	13.696 \| good	0.244 \| good
2025-12-13T09:00:00.000Z	62 \| moderate	15.295 \| fine	51.156 \| good	19.054 \| good	0.43 \| good	13.141 \| good	0.219 \| good
2025-12-13T10:00:00.000Z	62 \| moderate	14.98 \| fine	44.833 \| good	19.667 \| good	0.905 \| good	13.17 \| good	0.195 \| good
2025-12-13T11:00:00.000Z	56 \| moderate	12.177 \| fine	32.786 \| good	18.648 \| good	0.991 \| good	6.182 \| good	0.172 \| good
2025-12-13T12:00:00.000Z	64 \| moderate	16.215 \| fine	72.33 \| fine	4.7 \| good	0.99 \| good	6.349 \| good	0.13 \| good
2025-12-13T13:00:00.000Z	69 \| moderate	18.792 \| fine	71.171 \| fine	5.323 \| good	0.966 \| good	4.063 \| good	0.345 \| good
2025-12-13T14:00:00.000Z	69 \| moderate	18.666 \| fine	66.805 \| fine	18.63 \| good	0.654 \| good	8.022 \| good	0.172 \| good
2025-12-13T15:00:00.000Z	64 \| moderate	16.476 \| fine	54.724 \| good	22.302 \| good	0.78 \| good	7.034 \| good	0.196 \| good
2025-12-13T16:00:00.000Z	66 \| moderate	17.48 \| fine	60.795 \| fine	22.494 \| good	0.899 \| good	6.631 \| good	0.147 \| good
2025-12-13T17:00:00.000Z	64 \| moderate	16.031 \| fine	43.025 \| good	14.061 \| good	1.141 \| good	4.791 \| good	0.185 \| good
2025-12-13T18:00:00.000Z	64 \| moderate	15.798 \| fine	37.686 \| good	15.391 \| good	1.179 \| good	4.032 \| good	0.16 \| good
2025-12-13T19:00:00.000Z	62 \| moderate	14.904 \| fine	30.625 \| good	19.969 \| good	1.331 \| good	4.328 \| good	0.173 \| good
2025-12-13T20:00:00.000Z	58 \| moderate	13.198 \| fine	46.359 \| good	21.441 \| good	1.398 \| good	3.993 \| good	0.173 \| good
2025-12-13T20:00:00.000Z	58 \| moderate	13.198 \| fine	46.359 \| good	21.441 \| good	1.398 \| good	3.993 \| good	0.173 \| good
2025-12-13T21:00:00.000Z	66 \| moderate	16.525 \| fine	73.174 \| fine	22.682 \| good	4.985 \| good	2.876 \| good	0.165 \| good
2025-12-13T22:00:00.000Z	66 \| moderate	17.326 \| fine	76.467 \| fine	20.828 \| good	5.103 \| good	3.783 \| good	0.17 \| good
2025-12-13T23:00:00.000Z	60 \| moderate	14.485 \| fine	64.857 \| fine	18.306 \| good	5.221 \| good	4.689 \| good	0.176 \| good
2025-12-14T00:00:00.000Z	64 \| moderate	15.88 \| fine	70.75 \| fine	15.937 \| good	5.339 \| good	5.595 \| good	0.181 \| good
2025-12-14T01:00:00.000Z	60 \| moderate	14.353 \| fine	64.036 \| fine	11.034 \| good	5.812 \| good	5.331 \| good	0.184 \| good
2025-12-14T02:00:00.000Z	58 \| moderate	13.211 \| fine	59.364 \| fine	10.143 \| good	6.286 \| good	5.066 \| good	0.186 \| good
2025-12-14T03:00:00.000Z	49 \| good	8.826 \| good	39.027 \| good	13.336 \| good	6.76 \| good	4.802 \| good	0.189 \| good
2025-12-14T04:00:00.000Z	15 \| good	2.112 \| good	8.898 \| good	15.855 \| good	6.431 \| good	4.227 \| good	0.18 \| good
2025-12-14T05:00:00.000Z	22 \| good	3.692 \| good	16.062 \| good	17.227 \| good	6.101 \| good	3.653 \| good	0.172 \| good
2025-12-14T06:00:00.000Z	19 \| good	3.048 \| good	12.751 \| good	19.751 \| good	5.772 \| good	3.079 \| good	0.163 \| good
2025-12-14T07:00:00.000Z	19 \| good	3.215 \| good	14.166 \| good	21.386 \| good	5.06 \| good	2.806 \| good	0.159 \| good
2025-12-14T08:00:00.000Z	22 \| good	3.586 \| good	15.863 \| good	20.974 \| good	4.348 \| good	2.534 \| good	0.155 \| good
2025-12-14T09:00:00.000Z	18 \| good	2.587 \| good	10.454 \| good	19.344 \| good	3.636 \| good	2.262 \| good	0.152 \| good
2025-12-14T10:00:00.000Z	17 \| good	2.927 \| good	12.096 \| good	17.737 \| good	3.355 \| good	2.318 \| good	0.153 \| good
2025-12-14T11:00:00.000Z	16 \| good	1.646 \| good	6.773 \| good	16.516 \| good	3.075 \| good	2.374 \| good	0.155 \| good
2025-12-14T12:00:00.000Z	18 \| good	1.233 \| good	4.719 \| good	19.461 \| good	2.794 \| good	2.431 \| good	0.157 \| good
2025-12-14T13:00:00.000Z	19 \| good	1.582 \| good	6.417 \| good	20.808 \| good	2.765 \| good	2.344 \| good	0.159 \| good
2025-12-14T14:00:00.000Z	18 \| good	2.899 \| good	11.983 \| good	19.129 \| good	2.736 \| good	2.258 \| good	0.16 \| good
2025-12-14T15:00:00.000Z	18 \| good	2.899 \| good	11.872 \| good	18.976 \| good	2.707 \| good	2.172 \| good	0.162 \| good
2025-12-14T16:00:00.000Z	22 \| good	3.966 \| good	17.46 \| good	19.599 \| good	2.614 \| good	1.99 \| good	0.159 \| good
2025-12-14T17:00:00.000Z	19 \| good	2.669 \| good	10.935 \| good	20.941 \| good	2.522 \| good	1.808 \| good	0.156 \| good
2025-12-14T18:00:00.000Z	20 \| good	1.479 \| good	5.753 \| good	22.255 \| good	2.43 \| good	1.625 \| good	0.153 \| good
2025-12-14T19:00:00.000Z	21 \| good	1.42 \| good	5.7 \| good	22.967 \| good	2.047 \| good	1.619 \| good	0.152 \| good
2025-12-14T20:00:00.000Z	21 \| good	2.022 \| good	8.203 \| good	23.133 \| good	1.663 \| good	1.613 \| good	0.151 \| good
2025-12-14T21:00:00.000Z	21 \| good	1.095 \| good	4.464 \| good	23.474 \| good	1.28 \| good	1.606 \| good	0.15 \| good
2025-12-14T22:00:00.000Z	19 \| good	1.995 \| good	7.898 \| good	21.248 \| good	1.068 \| good	2.007 \| good	0.153 \| good
2025-12-14T23:00:00.000Z	19 \| good	0.774 \| good	2.727 \| good	20.519 \| good	0.857 \| good	2.407 \| good	0.155 \| good
2025-12-15T00:00:00.000Z	16 \| good	1.451 \| good	5.847 \| good	16.97 \| good	0.646 \| good	2.808 \| good	0.158 \| good
2025-12-15T01:00:00.000Z	16 \| good	2.888 \| good	11.824 \| good	12.571 \| good	0.664 \| good	2.817 \| good	0.159 \| good
2025-12-15T02:00:00.000Z	22 \| good	3.548 \| good	15.548 \| good	10.167 \| good	0.682 \| good	2.827 \| good	0.16 \| good
2025-12-15T03:00:00.000Z	22 \| good	3.908 \| good	17.271 \| good	10.238 \| good	0.7 \| good	2.837 \| good	0.161 \| good
2025-12-15T04:00:00.000Z	16 \| good	3.053 \| good	12.926 \| good	11.804 \| good	0.713 \| good	2.756 \| good	0.161 \| good
2025-12-15T05:00:00.000Z	27 \| good	4.919 \| good	21.484 \| good	10.511 \| good	0.727 \| good	2.675 \| good	0.161 \| good
2025-12-15T06:00:00.000Z	27 \| good	5.13 \| good	22.184 \| good	10.574 \| good	0.741 \| good	2.594 \| good	0.16 \| good
2025-12-15T07:00:00.000Z	33 \| good	5.728 \| good	24.791 \| good	9.77 \| good	0.789 \| good	2.494 \| good	0.16 \| good
2025-12-15T08:00:00.000Z	38 \| good	7.013 \| good	30.872 \| good	9.487 \| good	0.837 \| good	2.395 \| good	0.159 \| good
2025-12-15T09:00:00.000Z	33 \| good	5.515 \| good	23.849 \| good	8.648 \| good	0.885 \| good	2.295 \| good	0.159 \| good
2025-12-15T10:00:00.000Z	27 \| good	5.425 \| good	23.331 \| good	3.98 \| good	0.978 \| good	2.357 \| good	0.159 \| good
2025-12-15T11:00:00.000Z	27 \| good	5.48 \| good	23.687 \| good	5.467 \| good	1.071 \| good	2.419 \| good	0.16 \| good
2025-12-15T12:00:00.000Z	22 \| good	3.941 \| good	17.211 \| good	4.559 \| good	1.164 \| good	2.481 \| good	0.161 \| good
2025-12-15T13:00:00.000Z	16 \| good	2.795 \| good	11.422 \| good	9.532 \| good	1.257 \| good	2.653 \| good	0.163 \| good
2025-12-15T14:00:00.000Z	27 \| good	5.113 \| good	22.149 \| good	14.003 \| good	1.35 \| good	2.825 \| good	0.166 \| good
2025-12-15T15:00:00.000Z	22 \| good	4.352 \| good	18.689 \| good	16.768 \| good	1.443 \| good	2.997 \| good	0.169 \| good
2025-12-15T16:00:00.000Z	33 \| good	6.422 \| good	28.633 \| good	17.855 \| good	1.403 \| good	2.953 \| good	0.169 \| good
2025-12-15T17:00:00.000Z	44 \| good	7.712 \| good	33.784 \| good	19.693 \| good	1.363 \| good	2.909 \| good	0.169 \| good
2025-12-15T18:00:00.000Z	44 \| good	7.549 \| good	33.295 \| good	19.882 \| good	1.323 \| good	2.866 \| good	0.17 \| good
2025-12-15T19:00:00.000Z	33 \| good	6.281 \| good	27.95 \| good	21.541 \| good	1.265 \| good	3.06 \| good	0.169 \| good
2025-12-15T20:00:00.000Z	33 \| good	5.701 \| good	24.43 \| good	25.852 \| good	1.208 \| good	3.255 \| good	0.169 \| good

Portland

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Portland, Tennessee air quality map: Track AQI near you

0.17ppm

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 02:00:00 on 2025-12-13.

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 10:00:00 on 2025-12-12.

What is the current air quality in Portland, Tennessee?

The current air quality in Portland, Tennessee is 58, categorized as Moderate based on real-time data.

What pollutant is the most common in Portland, Tennessee?

The most common pollutant in Portland, Tennessee is PM2.5.

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 13.198 μg/m³.

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

The current PM₁₀ concentration at Portland, Tennessee is 46.359 μg/m³.

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

The current carbon monoxide (CO) concentration at Portland, Tennessee is 0.173 ppm.

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

The current sulfur dioxide (SO₂) concentration at Portland, Tennessee is 1.398 ppb.

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

The current ozone (O₃) concentration at Portland, Tennessee is 21.441 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Portland, Tennessee is 3.993 ppb.

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