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

The current PM10 concentration at Portland, Tennessee is 17.752 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Portland, Tennessee is 0.788 ppb.

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

The current ozone (O3) concentration at Portland, Tennessee is 41.299 ppm.

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

The current nitrogen dioxide (NO2) concentration at Portland, Tennessee is 6.072 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 3.448 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)

3.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.75 μg/m³

155

255

425

605+

Ozone (O₃)

41.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.79 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.07 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 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
2026-07-21T22:00:00.000Z	60 \| moderate	14.465 \| fine	59.653 \| fine	35.053 \| good	0.725 \| good	11.281 \| good	0.298 \| good
2026-07-21T23:00:00.000Z	58 \| moderate	13.356 \| fine	38.436 \| good	28.687 \| good	0.526 \| good	12.394 \| good	0.312 \| good
2026-07-22T00:00:00.000Z	60 \| moderate	13.863 \| fine	38.943 \| good	31.037 \| good	0.797 \| good	10.783 \| good	0.287 \| good
2026-07-22T01:00:00.000Z	52 \| moderate	10.027 \| good	41.462 \| good	28.168 \| good	0.595 \| good	11.441 \| good	0.287 \| good
2026-07-22T02:00:00.000Z	56 \| moderate	12.337 \| fine	44.974 \| good	31.486 \| good	0.64 \| good	10.177 \| good	0.287 \| good
2026-07-22T03:00:00.000Z	56 \| moderate	11.763 \| good	40.844 \| good	24.386 \| good	0.621 \| good	13.288 \| good	0.312 \| good
2026-07-22T04:00:00.000Z	38 \| good	6.994 \| good	27.974 \| good	27.95 \| good	0.559 \| good	15.472 \| good	0.301 \| good
2026-07-22T05:00:00.000Z	40 \| good	7.176 \| good	43.084 \| good	27.593 \| good	0.468 \| good	15.313 \| good	0.301 \| good
2026-07-22T06:00:00.000Z	27 \| good	4.625 \| good	25.987 \| good	27.308 \| good	0.598 \| good	8.509 \| good	0.276 \| good
2026-07-22T07:00:00.000Z	35 \| good	5.668 \| good	38.275 \| good	27.692 \| good	0.579 \| good	8.213 \| good	0.315 \| good
2026-07-22T08:00:00.000Z	27 \| good	4.57 \| good	21.432 \| good	26.493 \| good	0.677 \| good	7.025 \| good	0.252 \| good
2026-07-22T09:00:00.000Z	44 \| good	8.155 \| good	37.901 \| good	20.535 \| good	0.639 \| good	10.195 \| good	0.276 \| good
2026-07-22T10:00:00.000Z	49 \| good	8.672 \| good	44.441 \| good	17.861 \| good	0.327 \| good	11.62 \| good	0.263 \| good
2026-07-22T11:00:00.000Z	38 \| good	6.557 \| good	24.228 \| good	20.863 \| good	0.477 \| good	7.021 \| good	0.252 \| good
2026-07-22T12:00:00.000Z	38 \| good	6.933 \| good	35.978 \| good	17.406 \| good	0.579 \| good	8.832 \| good	0.265 \| good
2026-07-22T13:00:00.000Z	52 \| moderate	9.649 \| good	49.406 \| good	18.592 \| good	0.749 \| good	8.907 \| good	0.359 \| good
2026-07-22T14:00:00.000Z	44 \| good	8.419 \| good	37.631 \| good	17.743 \| good	0.588 \| good	7.008 \| good	0.305 \| good
2026-07-22T15:00:00.000Z	56 \| moderate	12.293 \| fine	55.827 \| fine	24.294 \| good	1.003 \| good	5.028 \| good	0.252 \| good
2026-07-22T16:00:00.000Z	44 \| good	8.351 \| good	34.647 \| good	24.631 \| good	1.23 \| good	4.99 \| good	0.238 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.831 \| good	33.816 \| good	30.071 \| good	1.525 \| good	4.124 \| good	0.265 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	9.704 \| good	42.357 \| good	32.999 \| good	1.064 \| good	5.632 \| good	0.291 \| good
2026-07-22T19:00:00.000Z	54 \| moderate	10.84 \| good	51.831 \| good	29.277 \| good	1.074 \| good	5.288 \| good	0.279 \| good
2026-07-22T20:00:00.000Z	52 \| moderate	10.372 \| good	49.53 \| good	34.93 \| good	1.076 \| good	7.033 \| good	0.259 \| good
2026-07-22T21:00:00.000Z	56 \| moderate	12.386 \| fine	33.188 \| good	36.835 \| good	0.498 \| good	6.039 \| good	0.274 \| good
2026-07-22T22:00:00.000Z	60 \| moderate	13.943 \| fine	56.8 \| fine	35.451 \| good	0.463 \| good	5.439 \| good	0.238 \| good
2026-07-22T23:00:00.000Z	56 \| moderate	12.063 \| good	40.774 \| good	40.207 \| good	0.441 \| good	5.14 \| good	0.239 \| good
2026-07-23T00:00:00.000Z	49 \| good	9.31 \| good	40.868 \| good	42.22 \| good	0.388 \| good	4.795 \| good	0.313 \| good
2026-07-23T01:00:00.000Z	49 \| good	9.108 \| good	35.235 \| good	38.294 \| good	0.369 \| good	5.075 \| good	0.288 \| good
2026-07-23T02:00:00.000Z	56 \| moderate	11.846 \| good	41.738 \| good	37.942 \| good	0.517 \| good	4.312 \| good	0.288 \| good
2026-07-23T03:00:00.000Z	22 \| good	4.499 \| good	19.547 \| good	24.287 \| good	0.283 \| good	1.815 \| good	0.195 \| good
2026-07-23T04:00:00.000Z	52 \| moderate	10.222 \| good	40.676 \| good	37.173 \| good	0.653 \| good	5.584 \| good	0.238 \| good
2026-07-23T05:00:00.000Z	52 \| moderate	9.656 \| good	32.461 \| good	34.657 \| good	0.714 \| good	5.235 \| good	0.238 \| good
2026-07-23T06:00:00.000Z	44 \| good	7.54 \| good	34.928 \| good	26.653 \| good	0.589 \| good	6.494 \| good	0.251 \| good
2026-07-23T07:00:00.000Z	38 \| good	7.279 \| good	25.573 \| good	26.315 \| good	0.571 \| good	5.333 \| good	0.243 \| good
2026-07-23T08:00:00.000Z	38 \| good	6.7 \| good	28.859 \| good	23.712 \| good	0.618 \| good	6.031 \| good	0.188 \| good
2026-07-23T09:00:00.000Z	33 \| good	6.449 \| good	19.674 \| good	20.792 \| good	0.618 \| good	5.225 \| good	0.175 \| good
2026-07-23T10:00:00.000Z	33 \| good	5.728 \| good	30.626 \| good	22.354 \| good	0.589 \| good	5.056 \| good	0.175 \| good
2026-07-23T11:00:00.000Z	34 \| good	5.642 \| good	36.661 \| good	26.454 \| good	0.484 \| good	7.565 \| good	0.248 \| good
2026-07-23T12:00:00.000Z	33 \| good	6.197 \| good	20.523 \| good	22.34 \| good	0.494 \| good	9.467 \| good	0.299 \| good
2026-07-23T13:00:00.000Z	22 \| good	4.271 \| good	18.94 \| good	22.363 \| good	0.494 \| good	7.367 \| good	0.312 \| good
2026-07-23T14:00:00.000Z	32 \| good	4.188 \| good	35.42 \| good	23.574 \| good	3.271 \| good	9.064 \| good	0.3 \| good
2026-07-23T15:00:00.000Z	23 \| good	4.174 \| good	20.285 \| good	25.47 \| good	2.271 \| good	9.383 \| good	0.225 \| good
2026-07-23T16:00:00.000Z	28 \| good	3.479 \| good	27.077 \| good	30.479 \| good	3.617 \| good	7.81 \| good	0.175 \| good
2026-07-23T17:00:00.000Z	31 \| good	3.847 \| good	15.846 \| good	34.353 \| good	1.018 \| good	7.392 \| good	0.2 \| good
2026-07-23T18:00:00.000Z	34 \| good	3.516 \| good	13.532 \| good	36.882 \| good	1.432 \| good	6.178 \| good	0.176 \| good
2026-07-23T19:00:00.000Z	36 \| good	4.145 \| good	18.809 \| good	38.563 \| good	0.657 \| good	6.641 \| good	0.176 \| good
2026-07-23T20:00:00.000Z	38 \| good	3.448 \| good	17.752 \| good	41.299 \| good	0.788 \| good	6.072 \| good	0.176 \| good
2026-07-23T21:00:00.000Z	40 \| good	4.646 \| good	22.973 \| good	42.517 \| good	1.019 \| good	7.167 \| good	0.214 \| good
2026-07-23T21:00:00.000Z	38 \| good	3.448 \| good	17.752 \| good	41.299 \| good	0.788 \| good	6.072 \| good	0.176 \| good
2026-07-23T22:00:00.000Z	38 \| good	6.26 \| good	27.907 \| good	40.604 \| good	0.306 \| good	0.543 \| good	0.156 \| good
2026-07-23T23:00:00.000Z	34 \| good	5.873 \| good	26.081 \| good	36.811 \| good	0.304 \| good	0.752 \| good	0.158 \| good
2026-07-24T00:00:00.000Z	33 \| good	5.581 \| good	23.636 \| good	24.262 \| good	0.277 \| good	1.57 \| good	0.167 \| good
2026-07-24T01:00:00.000Z	25 \| good	4.211 \| good	18.484 \| good	27.246 \| good	0.269 \| good	2.676 \| good	0.175 \| good
2026-07-24T02:00:00.000Z	21 \| good	3.259 \| good	13.909 \| good	23.449 \| good	0.274 \| good	3.337 \| good	0.18 \| good
2026-07-24T03:00:00.000Z	23 \| good	3.283 \| good	14.304 \| good	25.206 \| good	0.285 \| good	3.519 \| good	0.18 \| good
2026-07-24T04:00:00.000Z	23 \| good	2.31 \| good	9.442 \| good	24.954 \| good	0.3 \| good	3.681 \| good	0.18 \| good
2026-07-24T05:00:00.000Z	24 \| good	2.877 \| good	12.215 \| good	26.202 \| good	0.317 \| good	3.913 \| good	0.182 \| good
2026-07-24T06:00:00.000Z	24 \| good	3.84 \| good	16.95 \| good	25.579 \| good	0.334 \| good	4.039 \| good	0.181 \| good
2026-07-24T07:00:00.000Z	22 \| good	3.143 \| good	13.554 \| good	23.671 \| good	0.352 \| good	3.979 \| good	0.179 \| good
2026-07-24T08:00:00.000Z	22 \| good	3.786 \| good	16.806 \| good	20.057 \| good	0.374 \| good	3.845 \| good	0.176 \| good
2026-07-24T09:00:00.000Z	17 \| good	3.427 \| good	14.845 \| good	17.589 \| good	0.401 \| good	3.769 \| good	0.174 \| good
2026-07-24T10:00:00.000Z	22 \| good	3.858 \| good	17.199 \| good	14.453 \| good	0.424 \| good	3.814 \| good	0.173 \| good
2026-07-24T11:00:00.000Z	16 \| good	2.879 \| good	12.189 \| good	10.402 \| good	0.437 \| good	3.901 \| good	0.173 \| good
2026-07-24T12:00:00.000Z	16 \| good	3.358 \| good	14.727 \| good	10.827 \| good	0.406 \| good	3.301 \| good	0.175 \| good
2026-07-24T13:00:00.000Z	33 \| good	5.632 \| good	24.183 \| good	17.19 \| good	0.45 \| good	2.348 \| good	0.175 \| good
2026-07-24T14:00:00.000Z	27 \| good	5.48 \| good	23.691 \| good	21.295 \| good	0.533 \| good	1.568 \| good	0.175 \| good
2026-07-24T15:00:00.000Z	38 \| good	7.416 \| good	32.819 \| good	31.209 \| good	0.634 \| good	0.975 \| good	0.172 \| good
2026-07-24T16:00:00.000Z	44 \| good	7.962 \| good	34.912 \| good	39.005 \| good	0.697 \| good	0.625 \| good	0.167 \| good
2026-07-24T17:00:00.000Z	38 \| good	7.486 \| good	33.065 \| good	40.514 \| good	0.647 \| good	0.504 \| good	0.167 \| good
2026-07-24T18:00:00.000Z	49 \| good	8.544 \| good	37.597 \| good	41.15 \| good	0.598 \| good	0.485 \| good	0.169 \| good
2026-07-24T19:00:00.000Z	49 \| good	8.54 \| good	37.483 \| good	41.486 \| good	0.573 \| good	0.511 \| good	0.17 \| good
2026-07-24T20:00:00.000Z	49 \| good	9.371 \| good	41.933 \| good	42.346 \| good	0.553 \| good	0.54 \| good	0.171 \| good
2026-07-24T21:00:00.000Z	38 \| good	6.691 \| good	29.969 \| good	39.068 \| good	0.548 \| good	0.575 \| good	0.172 \| good
2026-07-24T22:00:00.000Z	38 \| good	6.754 \| good	29.969 \| good	40.366 \| good	0.551 \| good	0.673 \| good	0.173 \| good
2026-07-24T23:00:00.000Z	37 \| good	5.643 \| good	24.217 \| good	39.53 \| good	0.559 \| good	0.916 \| good	0.176 \| good
2026-07-25T00:00:00.000Z	33 \| good	5.193 \| good	22.482 \| good	35.714 \| good	0.497 \| good	2.209 \| good	0.191 \| good
2026-07-25T01:00:00.000Z	33 \| good	5.503 \| good	23.365 \| good	26.27 \| good	0.467 \| good	4.011 \| good	0.206 \| good
2026-07-25T02:00:00.000Z	22 \| good	4.203 \| good	18.638 \| good	22.574 \| good	0.458 \| good	5.299 \| good	0.215 \| good
2026-07-25T03:00:00.000Z	27 \| good	4.689 \| good	20.118 \| good	19.95 \| good	0.45 \| good	5.673 \| good	0.219 \| good
2026-07-25T04:00:00.000Z	22 \| good	4.256 \| good	18.722 \| good	21.105 \| good	0.443 \| good	5.688 \| good	0.221 \| good
2026-07-25T05:00:00.000Z	33 \| good	5.55 \| good	24.199 \| good	19.335 \| good	0.444 \| good	5.361 \| good	0.22 \| good
2026-07-25T06:00:00.000Z	38 \| good	7.122 \| good	31.576 \| good	16.706 \| good	0.468 \| good	5.097 \| good	0.217 \| good
2026-07-25T07:00:00.000Z	44 \| good	7.56 \| good	33.53 \| good	16.555 \| good	0.5 \| good	5.356 \| good	0.217 \| good
2026-07-25T08:00:00.000Z	44 \| good	8.458 \| good	37.326 \| good	16.49 \| good	0.534 \| good	6.037 \| good	0.219 \| good
2026-07-25T09:00:00.000Z	44 \| good	7.767 \| good	34.266 \| good	13.73 \| good	0.555 \| good	5.811 \| good	0.216 \| good
2026-07-25T10:00:00.000Z	44 \| good	8.058 \| good	35.381 \| good	14.299 \| good	0.57 \| good	5.298 \| good	0.212 \| good
2026-07-25T11:00:00.000Z	38 \| good	7.221 \| good	31.846 \| good	13.504 \| good	0.556 \| good	4.748 \| good	0.207 \| good
2026-07-25T12:00:00.000Z	44 \| good	7.664 \| good	33.736 \| good	11.559 \| good	0.479 \| good	3.916 \| good	0.206 \| good
2026-07-25T13:00:00.000Z	49 \| good	8.856 \| good	39.198 \| good	16.812 \| good	0.483 \| good	2.193 \| good	0.191 \| good
2026-07-25T14:00:00.000Z	49 \| good	8.983 \| good	39.811 \| good	31.025 \| good	0.413 \| good	1.514 \| good	0.183 \| good
2026-07-25T15:00:00.000Z	54 \| moderate	11.07 \| good	48.805 \| good	38.524 \| good	0.336 \| good	1.126 \| good	0.176 \| good
2026-07-25T16:00:00.000Z	52 \| moderate	10.268 \| good	45.39 \| good	43.944 \| good	0.279 \| good	0.916 \| good	0.17 \| good
2026-07-25T17:00:00.000Z	54 \| moderate	11.278 \| good	49.906 \| good	47.323 \| good	0.242 \| good	0.889 \| good	0.167 \| good
2026-07-25T18:00:00.000Z	56 \| moderate	12.181 \| fine	54.743 \| good	48.568 \| good	0.237 \| good	0.866 \| good	0.167 \| good
2026-07-25T19:00:00.000Z	58 \| moderate	12.929 \| fine	57.999 \| fine	48.083 \| good	0.248 \| good	0.683 \| good	0.165 \| good
2026-07-25T20:00:00.000Z	60 \| moderate	14.099 \| fine	63.562 \| fine	49.875 \| good	0.266 \| good	0.737 \| good	0.166 \| good
2026-07-25T21:00:00.000Z	62 \| moderate	14.528 \| fine	65.432 \| fine	51.792 \| good	0.281 \| good	0.907 \| good	0.169 \| good

Portland

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Portland, Tennessee air quality map: Track AQI near you

0.18ppm

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 10:00:00 on 2026-07-22.

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 01:00:00 on 2026-07-23.

What is the current air quality in Portland, Tennessee?

The current air quality in Portland, Tennessee is 38, 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 3.448 μg/m³.

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

The current PM₁₀ concentration at Portland, Tennessee is 17.752 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 0.788 ppb.

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

The current ozone (O₃) concentration at Portland, Tennessee is 41.299 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Portland, Tennessee is 6.072 ppb.

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