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

The current PM10 concentration at Chattanooga, Tennessee is 65.614 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Chattanooga, Tennessee is 0.589 ppb.

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

The current ozone (O3) concentration at Chattanooga, Tennessee is 3.354 ppm.

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

The current nitrogen dioxide (NO2) concentration at Chattanooga, Tennessee is 8.301 ppb.

Chattanooga, Tennessee live air quality index now

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

The current PM2.5 concentration at Chattanooga, Tennessee is 15.582 μg/m3.

Stay updated with real-time air quality in Chattanooga, 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

Chattanooga, Tennessee

Last updated: ... (Local time)

Major air pollutants in Chattanooga, Tennessee

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

15.58 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

65.61 μg/m³

155

255

425

605+

Ozone (O₃)

3.35 ppb

201

201+

Sulfur Dioxide (SO₂)

0.59 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.30 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.47 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Chattanooga, Tennessee

Get Live Pollen Counts

Chattanooga, Tennessee

Scroll To Air Quality Map

Track live Chattanooga, Tennessee air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T07:00:00.000Z	49 \| good	8.507 \| good	35.401 \| good	21.521 \| good	0.866 \| good	10.541 \| good	0.412 \| good
2025-12-05T08:00:00.000Z	44 \| good	8.412 \| good	35.398 \| good	17.83 \| good	0.691 \| good	9.051 \| good	0.337 \| good
2025-12-05T09:00:00.000Z	44 \| good	8.137 \| good	34.522 \| good	15.469 \| good	0.488 \| good	9.825 \| good	0.337 \| good
2025-12-05T10:00:00.000Z	44 \| good	7.83 \| good	32.579 \| good	18.041 \| good	0.742 \| good	11.396 \| good	0.306 \| good
2025-12-05T11:00:00.000Z	44 \| good	7.779 \| good	32.447 \| good	18.68 \| good	0.705 \| good	11.984 \| good	0.306 \| good
2025-12-05T12:00:00.000Z	38 \| good	6.872 \| good	29.569 \| good	10.418 \| good	0.501 \| good	5.378 \| good	0.38 \| good
2025-12-05T13:00:00.000Z	38 \| good	6.823 \| good	29.506 \| good	12.706 \| good	0.619 \| good	5.501 \| good	0.587 \| good
2025-12-05T14:00:00.000Z	33 \| good	5.585 \| good	22.94 \| good	17.853 \| good	0.519 \| good	7.194 \| good	0.543 \| good
2025-12-05T15:00:00.000Z	27 \| good	5.117 \| good	21.068 \| good	18.59 \| good	0.471 \| good	7.545 \| good	0.447 \| good
2025-12-05T16:00:00.000Z	27 \| good	4.736 \| good	20.131 \| good	19.175 \| good	0.679 \| good	6.791 \| good	0.542 \| good
2025-12-05T17:00:00.000Z	27 \| good	4.523 \| good	19.193 \| good	16.481 \| good	0.53 \| good	6.822 \| good	0.577 \| good
2025-12-05T18:00:00.000Z	27 \| good	4.518 \| good	19.196 \| good	15.446 \| good	0.41 \| good	7.97 \| good	0.459 \| good
2025-12-05T19:00:00.000Z	27 \| good	4.792 \| good	20.128 \| good	18.332 \| good	0.523 \| good	8.293 \| good	0.351 \| good
2025-12-05T20:00:00.000Z	27 \| good	5.066 \| good	21.064 \| good	20.953 \| good	0.805 \| good	7.857 \| good	0.391 \| good
2025-12-05T21:00:00.000Z	33 \| good	5.625 \| good	23.944 \| good	19.151 \| good	0.637 \| good	8.586 \| good	0.348 \| good
2025-12-05T22:00:00.000Z	33 \| good	5.816 \| good	25.812 \| good	18.226 \| good	0.733 \| good	8.692 \| good	0.375 \| good
2025-12-05T23:00:00.000Z	33 \| good	5.817 \| good	25.998 \| good	19.164 \| good	0.318 \| good	5.143 \| good	0.484 \| good
2025-12-06T00:00:00.000Z	38 \| good	7.067 \| good	30.811 \| good	18.238 \| good	0.384 \| good	6.676 \| good	0.449 \| good
2025-12-06T01:00:00.000Z	38 \| good	7.073 \| good	30.935 \| good	18.459 \| good	0.397 \| good	9.349 \| good	0.464 \| good
2025-12-06T02:00:00.000Z	27 \| good	5.248 \| good	22.627 \| good	17.612 \| good	0.47 \| good	13.756 \| good	0.451 \| good
2025-12-06T03:00:00.000Z	27 \| good	4.886 \| good	20.753 \| good	9.779 \| good	0.689 \| good	18.589 \| good	0.482 \| good
2025-12-06T04:00:00.000Z	27 \| good	4.86 \| good	20.563 \| good	13.037 \| good	0.539 \| good	16.486 \| good	0.393 \| good
2025-12-06T05:00:00.000Z	27 \| good	5.111 \| good	21.379 \| good	12.388 \| good	0.692 \| good	13.554 \| good	0.347 \| good
2025-12-06T06:00:00.000Z	27 \| good	5.093 \| good	21.258 \| good	15.175 \| good	0.782 \| good	11.214 \| good	0.333 \| good
2025-12-06T07:00:00.000Z	27 \| good	5.192 \| good	22.13 \| good	17.692 \| good	1.356 \| good	10.041 \| good	0.38 \| good
2025-12-06T08:00:00.000Z	27 \| good	5.281 \| good	22.134 \| good	17.099 \| good	0.898 \| good	9.366 \| good	0.382 \| good
2025-12-06T09:00:00.000Z	27 \| good	5.456 \| good	23.01 \| good	18.492 \| good	6.101 \| good	8.67 \| good	0.262 \| good
2025-12-06T10:00:00.000Z	33 \| good	5.643 \| good	23.946 \| good	17.566 \| good	0.652 \| good	11.049 \| good	0.355 \| good
2025-12-06T11:00:00.000Z	27 \| good	5.374 \| good	22.069 \| good	13.476 \| good	0.463 \| good	9.001 \| good	0.324 \| good
2025-12-06T12:00:00.000Z	27 \| good	5.368 \| good	22.07 \| good	18.45 \| good	0.618 \| good	9.122 \| good	0.293 \| good
2025-12-06T13:00:00.000Z	27 \| good	5.462 \| good	23.072 \| good	19.401 \| good	0.769 \| good	9.171 \| good	0.328 \| good
2025-12-06T14:00:00.000Z	33 \| good	6.218 \| good	26.819 \| good	15.657 \| good	0.571 \| good	9.62 \| good	0.382 \| good
2025-12-06T15:00:00.000Z	33 \| good	6.243 \| good	26.882 \| good	10.782 \| good	0.742 \| good	9.423 \| good	0.338 \| good
2025-12-06T16:00:00.000Z	38 \| good	6.637 \| good	28.759 \| good	18.722 \| good	1.496 \| good	6.81 \| good	0.324 \| good
2025-12-06T17:00:00.000Z	38 \| good	6.929 \| good	29.693 \| good	18.695 \| good	0.64 \| good	5.153 \| good	0.336 \| good
2025-12-06T18:00:00.000Z	38 \| good	6.935 \| good	29.692 \| good	20.792 \| good	3.792 \| good	5.135 \| good	0.351 \| good
2025-12-06T19:00:00.000Z	38 \| good	6.935 \| good	29.691 \| good	21.824 \| good	3.515 \| good	5.679 \| good	0.274 \| good
2025-12-06T20:00:00.000Z	38 \| good	6.947 \| good	29.692 \| good	25.461 \| good	3.652 \| good	6.45 \| good	0.307 \| good
2025-12-06T21:00:00.000Z	38 \| good	6.953 \| good	29.691 \| good	22.742 \| good	0.488 \| good	6.002 \| good	0.276 \| good
2025-12-06T22:00:00.000Z	38 \| good	6.978 \| good	29.691 \| good	24.515 \| good	0.421 \| good	6.811 \| good	0.276 \| good
2025-12-06T23:00:00.000Z	44 \| good	7.684 \| good	32.565 \| good	24.792 \| good	0.349 \| good	9.415 \| good	0.289 \| good
2025-12-07T00:00:00.000Z	49 \| good	8.521 \| good	35.753 \| good	16.637 \| good	0.347 \| good	12.734 \| good	0.303 \| good
2025-12-07T01:00:00.000Z	54 \| moderate	10.753 \| good	46.38 \| good	14.814 \| good	0.795 \| good	12.813 \| good	0.333 \| good
2025-12-07T02:00:00.000Z	58 \| moderate	13.469 \| fine	58.751 \| fine	12.415 \| good	0.366 \| good	11.593 \| good	0.401 \| good
2025-12-07T03:00:00.000Z	64 \| moderate	15.858 \| fine	65.555 \| fine	10.864 \| good	0.61 \| good	10.479 \| good	0.473 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	15.533 \| fine	65.491 \| fine	5.784 \| good	0.569 \| good	9.857 \| good	0.518 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	15.582 \| fine	65.614 \| fine	3.354 \| good	0.589 \| good	8.301 \| good	0.473 \| good
2025-12-07T06:00:00.000Z	62 \| moderate	14.977 \| fine	61.742 \| fine	6.335 \| good	0.645 \| good	9.363 \| good	0.49 \| good
2025-12-07T06:00:00.000Z	64 \| moderate	15.582 \| fine	65.614 \| fine	3.354 \| good	0.589 \| good	8.301 \| good	0.473 \| good
2025-12-07T07:00:00.000Z	60 \| moderate	13.957 \| fine	62.184 \| fine	9.202 \| good	2.342 \| good	18.414 \| good	0.399 \| good
2025-12-07T08:00:00.000Z	60 \| moderate	14.243 \| fine	63.976 \| fine	10.626 \| good	1.996 \| good	17.887 \| good	0.398 \| good
2025-12-07T09:00:00.000Z	58 \| moderate	13.011 \| fine	58.204 \| fine	10.683 \| good	1.65 \| good	17.359 \| good	0.398 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	11.604 \| good	51.54 \| good	11.195 \| good	1.463 \| good	15.856 \| good	0.371 \| good
2025-12-07T11:00:00.000Z	38 \| good	6.825 \| good	30.248 \| good	14.016 \| good	1.276 \| good	14.353 \| good	0.345 \| good
2025-12-07T12:00:00.000Z	52 \| moderate	10.059 \| good	44.738 \| good	9.067 \| good	1.09 \| good	12.85 \| good	0.319 \| good
2025-12-07T13:00:00.000Z	44 \| good	7.971 \| good	35.433 \| good	7.897 \| good	1.369 \| good	10.832 \| good	0.307 \| good
2025-12-07T14:00:00.000Z	49 \| good	9.232 \| good	40.834 \| good	13.015 \| good	1.649 \| good	8.815 \| good	0.296 \| good
2025-12-07T15:00:00.000Z	52 \| moderate	10.26 \| good	45.619 \| good	17.671 \| good	1.928 \| good	6.797 \| good	0.284 \| good
2025-12-07T16:00:00.000Z	52 \| moderate	9.733 \| good	43.116 \| good	20.812 \| good	2.091 \| good	6.398 \| good	0.261 \| good
2025-12-07T17:00:00.000Z	52 \| moderate	9.848 \| good	43.742 \| good	26.076 \| good	2.255 \| good	6 \| good	0.238 \| good
2025-12-07T18:00:00.000Z	49 \| good	9.413 \| good	41.825 \| good	26.781 \| good	2.418 \| good	5.602 \| good	0.214 \| good
2025-12-07T19:00:00.000Z	44 \| good	8.282 \| good	36.474 \| good	29.56 \| good	2.393 \| good	5.91 \| good	0.21 \| good
2025-12-07T20:00:00.000Z	44 \| good	7.866 \| good	34.574 \| good	31.535 \| good	2.368 \| good	6.218 \| good	0.205 \| good
2025-12-07T21:00:00.000Z	44 \| good	7.802 \| good	34.387 \| good	30.225 \| good	2.343 \| good	6.526 \| good	0.201 \| good
2025-12-07T22:00:00.000Z	44 \| good	7.719 \| good	34.101 \| good	24.807 \| good	2.4 \| good	10.351 \| good	0.247 \| good
2025-12-07T23:00:00.000Z	49 \| good	8.739 \| good	38.519 \| good	18.85 \| good	2.457 \| good	14.176 \| good	0.294 \| good
2025-12-08T00:00:00.000Z	60 \| moderate	14.322 \| fine	64.5 \| fine	15.853 \| good	2.514 \| good	18 \| good	0.341 \| good
2025-12-08T01:00:00.000Z	64 \| moderate	15.56 \| fine	69.125 \| fine	13.935 \| good	2.501 \| good	17.998 \| good	0.366 \| good
2025-12-08T02:00:00.000Z	64 \| moderate	16.376 \| fine	72.541 \| fine	15.607 \| good	2.489 \| good	17.995 \| good	0.392 \| good
2025-12-08T03:00:00.000Z	64 \| moderate	15.919 \| fine	71.137 \| fine	16.506 \| good	2.476 \| good	17.992 \| good	0.417 \| good
2025-12-08T04:00:00.000Z	62 \| moderate	14.637 \| fine	65.25 \| fine	14.473 \| good	2.215 \| good	14.671 \| good	0.362 \| good
2025-12-08T05:00:00.000Z	58 \| moderate	12.661 \| fine	56.465 \| fine	11.017 \| good	1.955 \| good	11.35 \| good	0.307 \| good
2025-12-08T06:00:00.000Z	58 \| moderate	12.838 \| fine	57.429 \| fine	14.897 \| good	1.694 \| good	8.029 \| good	0.253 \| good
2025-12-08T07:00:00.000Z	54 \| moderate	11.427 \| good	50.95 \| good	17.722 \| good	1.6 \| good	6.499 \| good	0.235 \| good
2025-12-08T08:00:00.000Z	52 \| moderate	9.619 \| good	42.566 \| good	17.283 \| good	1.506 \| good	4.968 \| good	0.217 \| good
2025-12-08T09:00:00.000Z	49 \| good	8.713 \| good	38.469 \| good	16.412 \| good	1.413 \| good	3.437 \| good	0.199 \| good
2025-12-08T10:00:00.000Z	49 \| good	9.257 \| good	41.107 \| good	11.409 \| good	1.615 \| good	3.401 \| good	0.201 \| good
2025-12-08T11:00:00.000Z	44 \| good	8.371 \| good	36.779 \| good	11.298 \| good	1.818 \| good	3.365 \| good	0.203 \| good
2025-12-08T12:00:00.000Z	44 \| good	8.348 \| good	36.552 \| good	12.783 \| good	2.021 \| good	3.328 \| good	0.205 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.353 \| good	28.109 \| good	10.4 \| good	2.342 \| good	3.224 \| good	0.213 \| good
2025-12-08T14:00:00.000Z	16 \| good	2.468 \| good	10.225 \| good	17.481 \| good	2.663 \| good	3.12 \| good	0.22 \| good
2025-12-08T15:00:00.000Z	19 \| good	0.842 \| good	3.077 \| good	21.245 \| good	2.984 \| good	3.015 \| good	0.228 \| good
2025-12-08T16:00:00.000Z	23 \| good	1.639 \| good	6.719 \| good	25.108 \| good	2.797 \| good	2.636 \| good	0.219 \| good
2025-12-08T17:00:00.000Z	27 \| good	2.833 \| good	11.565 \| good	28.768 \| good	2.609 \| good	2.257 \| good	0.211 \| good
2025-12-08T18:00:00.000Z	28 \| good	3.481 \| good	15.495 \| good	30.19 \| good	2.421 \| good	1.878 \| good	0.202 \| good
2025-12-08T19:00:00.000Z	27 \| good	3.65 \| good	16.129 \| good	29.022 \| good	2.246 \| good	1.883 \| good	0.197 \| good
2025-12-08T20:00:00.000Z	27 \| good	4.734 \| good	20.66 \| good	26.002 \| good	2.07 \| good	1.887 \| good	0.192 \| good
2025-12-08T21:00:00.000Z	33 \| good	6.101 \| good	27.155 \| good	28.455 \| good	1.895 \| good	1.891 \| good	0.187 \| good
2025-12-08T22:00:00.000Z	33 \| good	6.074 \| good	27.007 \| good	29.926 \| good	1.939 \| good	2.883 \| good	0.199 \| good
2025-12-08T23:00:00.000Z	33 \| good	6.134 \| good	27.16 \| good	26.694 \| good	1.983 \| good	3.874 \| good	0.21 \| good
2025-12-09T00:00:00.000Z	54 \| moderate	11.305 \| good	50.296 \| good	26.9 \| good	2.028 \| good	4.866 \| good	0.222 \| good
2025-12-09T01:00:00.000Z	38 \| good	7.365 \| good	32.318 \| good	30.519 \| good	2.092 \| good	4.857 \| good	0.224 \| good
2025-12-09T02:00:00.000Z	44 \| good	8.307 \| good	36.406 \| good	31.04 \| good	2.155 \| good	4.847 \| good	0.226 \| good
2025-12-09T03:00:00.000Z	38 \| good	7.366 \| good	32.567 \| good	28.734 \| good	2.219 \| good	4.838 \| good	0.229 \| good
2025-12-09T04:00:00.000Z	38 \| good	7.454 \| good	32.71 \| good	23.549 \| good	2.204 \| good	5.01 \| good	0.231 \| good
2025-12-09T05:00:00.000Z	49 \| good	9.135 \| good	40.52 \| good	17.487 \| good	2.19 \| good	5.181 \| good	0.233 \| good
2025-12-09T06:00:00.000Z	44 \| good	7.659 \| good	7.662 \| good	17.018 \| good	2.176 \| good	5.376 \| good	0.235 \| good

Chattanooga

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Chattanooga, Tennessee air quality map: Track AQI near you

0.47ppm

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 Chattanooga, Tennessee updated?

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

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

The worst air quality in Chattanooga, Tennessee in the last 24 hours was observed at 05:00:00 on 2025-12-07.

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

In the last 24 hrs, the best air quality in Chattanooga, Tennessee was observed at 01:00:00 on 2025-12-06.

What is the current air quality in Chattanooga, Tennessee?

The current air quality in Chattanooga, Tennessee is 64, categorized as Moderate based on real-time data.

What pollutant is the most common in Chattanooga, Tennessee?

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

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

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

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

The current PM_2.5 concentration at Chattanooga, Tennessee is 15.582 μg/m³.

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

The current PM₁₀ concentration at Chattanooga, Tennessee is 65.614 μg/m³.

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

The current carbon monoxide (CO) concentration at Chattanooga, Tennessee is 0.473 ppm.

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

The current sulfur dioxide (SO₂) concentration at Chattanooga, Tennessee is 0.589 ppb.

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

The current ozone (O₃) concentration at Chattanooga, Tennessee is 3.354 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Chattanooga, Tennessee is 8.301 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T07:00:00.000Z	49 \| good	8.507 \| good	35.401 \| good	21.521 \| good	0.866 \| good	10.541 \| good	0.412 \| good
2025-12-05T08:00:00.000Z	44 \| good	8.412 \| good	35.398 \| good	17.83 \| good	0.691 \| good	9.051 \| good	0.337 \| good
2025-12-05T09:00:00.000Z	44 \| good	8.137 \| good	34.522 \| good	15.469 \| good	0.488 \| good	9.825 \| good	0.337 \| good
2025-12-05T10:00:00.000Z	44 \| good	7.83 \| good	32.579 \| good	18.041 \| good	0.742 \| good	11.396 \| good	0.306 \| good
2025-12-05T11:00:00.000Z	44 \| good	7.779 \| good	32.447 \| good	18.68 \| good	0.705 \| good	11.984 \| good	0.306 \| good
2025-12-05T12:00:00.000Z	38 \| good	6.872 \| good	29.569 \| good	10.418 \| good	0.501 \| good	5.378 \| good	0.38 \| good
2025-12-05T13:00:00.000Z	38 \| good	6.823 \| good	29.506 \| good	12.706 \| good	0.619 \| good	5.501 \| good	0.587 \| good
2025-12-05T14:00:00.000Z	33 \| good	5.585 \| good	22.94 \| good	17.853 \| good	0.519 \| good	7.194 \| good	0.543 \| good
2025-12-05T15:00:00.000Z	27 \| good	5.117 \| good	21.068 \| good	18.59 \| good	0.471 \| good	7.545 \| good	0.447 \| good
2025-12-05T16:00:00.000Z	27 \| good	4.736 \| good	20.131 \| good	19.175 \| good	0.679 \| good	6.791 \| good	0.542 \| good
2025-12-05T17:00:00.000Z	27 \| good	4.523 \| good	19.193 \| good	16.481 \| good	0.53 \| good	6.822 \| good	0.577 \| good
2025-12-05T18:00:00.000Z	27 \| good	4.518 \| good	19.196 \| good	15.446 \| good	0.41 \| good	7.97 \| good	0.459 \| good
2025-12-05T19:00:00.000Z	27 \| good	4.792 \| good	20.128 \| good	18.332 \| good	0.523 \| good	8.293 \| good	0.351 \| good
2025-12-05T20:00:00.000Z	27 \| good	5.066 \| good	21.064 \| good	20.953 \| good	0.805 \| good	7.857 \| good	0.391 \| good
2025-12-05T21:00:00.000Z	33 \| good	5.625 \| good	23.944 \| good	19.151 \| good	0.637 \| good	8.586 \| good	0.348 \| good
2025-12-05T22:00:00.000Z	33 \| good	5.816 \| good	25.812 \| good	18.226 \| good	0.733 \| good	8.692 \| good	0.375 \| good
2025-12-05T23:00:00.000Z	33 \| good	5.817 \| good	25.998 \| good	19.164 \| good	0.318 \| good	5.143 \| good	0.484 \| good
2025-12-06T00:00:00.000Z	38 \| good	7.067 \| good	30.811 \| good	18.238 \| good	0.384 \| good	6.676 \| good	0.449 \| good
2025-12-06T01:00:00.000Z	38 \| good	7.073 \| good	30.935 \| good	18.459 \| good	0.397 \| good	9.349 \| good	0.464 \| good
2025-12-06T02:00:00.000Z	27 \| good	5.248 \| good	22.627 \| good	17.612 \| good	0.47 \| good	13.756 \| good	0.451 \| good
2025-12-06T03:00:00.000Z	27 \| good	4.886 \| good	20.753 \| good	9.779 \| good	0.689 \| good	18.589 \| good	0.482 \| good
2025-12-06T04:00:00.000Z	27 \| good	4.86 \| good	20.563 \| good	13.037 \| good	0.539 \| good	16.486 \| good	0.393 \| good
2025-12-06T05:00:00.000Z	27 \| good	5.111 \| good	21.379 \| good	12.388 \| good	0.692 \| good	13.554 \| good	0.347 \| good
2025-12-06T06:00:00.000Z	27 \| good	5.093 \| good	21.258 \| good	15.175 \| good	0.782 \| good	11.214 \| good	0.333 \| good
2025-12-06T07:00:00.000Z	27 \| good	5.192 \| good	22.13 \| good	17.692 \| good	1.356 \| good	10.041 \| good	0.38 \| good
2025-12-06T08:00:00.000Z	27 \| good	5.281 \| good	22.134 \| good	17.099 \| good	0.898 \| good	9.366 \| good	0.382 \| good
2025-12-06T09:00:00.000Z	27 \| good	5.456 \| good	23.01 \| good	18.492 \| good	6.101 \| good	8.67 \| good	0.262 \| good
2025-12-06T10:00:00.000Z	33 \| good	5.643 \| good	23.946 \| good	17.566 \| good	0.652 \| good	11.049 \| good	0.355 \| good
2025-12-06T11:00:00.000Z	27 \| good	5.374 \| good	22.069 \| good	13.476 \| good	0.463 \| good	9.001 \| good	0.324 \| good
2025-12-06T12:00:00.000Z	27 \| good	5.368 \| good	22.07 \| good	18.45 \| good	0.618 \| good	9.122 \| good	0.293 \| good
2025-12-06T13:00:00.000Z	27 \| good	5.462 \| good	23.072 \| good	19.401 \| good	0.769 \| good	9.171 \| good	0.328 \| good
2025-12-06T14:00:00.000Z	33 \| good	6.218 \| good	26.819 \| good	15.657 \| good	0.571 \| good	9.62 \| good	0.382 \| good
2025-12-06T15:00:00.000Z	33 \| good	6.243 \| good	26.882 \| good	10.782 \| good	0.742 \| good	9.423 \| good	0.338 \| good
2025-12-06T16:00:00.000Z	38 \| good	6.637 \| good	28.759 \| good	18.722 \| good	1.496 \| good	6.81 \| good	0.324 \| good
2025-12-06T17:00:00.000Z	38 \| good	6.929 \| good	29.693 \| good	18.695 \| good	0.64 \| good	5.153 \| good	0.336 \| good
2025-12-06T18:00:00.000Z	38 \| good	6.935 \| good	29.692 \| good	20.792 \| good	3.792 \| good	5.135 \| good	0.351 \| good
2025-12-06T19:00:00.000Z	38 \| good	6.935 \| good	29.691 \| good	21.824 \| good	3.515 \| good	5.679 \| good	0.274 \| good
2025-12-06T20:00:00.000Z	38 \| good	6.947 \| good	29.692 \| good	25.461 \| good	3.652 \| good	6.45 \| good	0.307 \| good
2025-12-06T21:00:00.000Z	38 \| good	6.953 \| good	29.691 \| good	22.742 \| good	0.488 \| good	6.002 \| good	0.276 \| good
2025-12-06T22:00:00.000Z	38 \| good	6.978 \| good	29.691 \| good	24.515 \| good	0.421 \| good	6.811 \| good	0.276 \| good
2025-12-06T23:00:00.000Z	44 \| good	7.684 \| good	32.565 \| good	24.792 \| good	0.349 \| good	9.415 \| good	0.289 \| good
2025-12-07T00:00:00.000Z	49 \| good	8.521 \| good	35.753 \| good	16.637 \| good	0.347 \| good	12.734 \| good	0.303 \| good
2025-12-07T01:00:00.000Z	54 \| moderate	10.753 \| good	46.38 \| good	14.814 \| good	0.795 \| good	12.813 \| good	0.333 \| good
2025-12-07T02:00:00.000Z	58 \| moderate	13.469 \| fine	58.751 \| fine	12.415 \| good	0.366 \| good	11.593 \| good	0.401 \| good
2025-12-07T03:00:00.000Z	64 \| moderate	15.858 \| fine	65.555 \| fine	10.864 \| good	0.61 \| good	10.479 \| good	0.473 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	15.533 \| fine	65.491 \| fine	5.784 \| good	0.569 \| good	9.857 \| good	0.518 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	15.582 \| fine	65.614 \| fine	3.354 \| good	0.589 \| good	8.301 \| good	0.473 \| good
2025-12-07T06:00:00.000Z	62 \| moderate	14.977 \| fine	61.742 \| fine	6.335 \| good	0.645 \| good	9.363 \| good	0.49 \| good
2025-12-07T06:00:00.000Z	64 \| moderate	15.582 \| fine	65.614 \| fine	3.354 \| good	0.589 \| good	8.301 \| good	0.473 \| good
2025-12-07T07:00:00.000Z	60 \| moderate	13.957 \| fine	62.184 \| fine	9.202 \| good	2.342 \| good	18.414 \| good	0.399 \| good
2025-12-07T08:00:00.000Z	60 \| moderate	14.243 \| fine	63.976 \| fine	10.626 \| good	1.996 \| good	17.887 \| good	0.398 \| good
2025-12-07T09:00:00.000Z	58 \| moderate	13.011 \| fine	58.204 \| fine	10.683 \| good	1.65 \| good	17.359 \| good	0.398 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	11.604 \| good	51.54 \| good	11.195 \| good	1.463 \| good	15.856 \| good	0.371 \| good
2025-12-07T11:00:00.000Z	38 \| good	6.825 \| good	30.248 \| good	14.016 \| good	1.276 \| good	14.353 \| good	0.345 \| good
2025-12-07T12:00:00.000Z	52 \| moderate	10.059 \| good	44.738 \| good	9.067 \| good	1.09 \| good	12.85 \| good	0.319 \| good
2025-12-07T13:00:00.000Z	44 \| good	7.971 \| good	35.433 \| good	7.897 \| good	1.369 \| good	10.832 \| good	0.307 \| good
2025-12-07T14:00:00.000Z	49 \| good	9.232 \| good	40.834 \| good	13.015 \| good	1.649 \| good	8.815 \| good	0.296 \| good
2025-12-07T15:00:00.000Z	52 \| moderate	10.26 \| good	45.619 \| good	17.671 \| good	1.928 \| good	6.797 \| good	0.284 \| good
2025-12-07T16:00:00.000Z	52 \| moderate	9.733 \| good	43.116 \| good	20.812 \| good	2.091 \| good	6.398 \| good	0.261 \| good
2025-12-07T17:00:00.000Z	52 \| moderate	9.848 \| good	43.742 \| good	26.076 \| good	2.255 \| good	6 \| good	0.238 \| good
2025-12-07T18:00:00.000Z	49 \| good	9.413 \| good	41.825 \| good	26.781 \| good	2.418 \| good	5.602 \| good	0.214 \| good
2025-12-07T19:00:00.000Z	44 \| good	8.282 \| good	36.474 \| good	29.56 \| good	2.393 \| good	5.91 \| good	0.21 \| good
2025-12-07T20:00:00.000Z	44 \| good	7.866 \| good	34.574 \| good	31.535 \| good	2.368 \| good	6.218 \| good	0.205 \| good
2025-12-07T21:00:00.000Z	44 \| good	7.802 \| good	34.387 \| good	30.225 \| good	2.343 \| good	6.526 \| good	0.201 \| good
2025-12-07T22:00:00.000Z	44 \| good	7.719 \| good	34.101 \| good	24.807 \| good	2.4 \| good	10.351 \| good	0.247 \| good
2025-12-07T23:00:00.000Z	49 \| good	8.739 \| good	38.519 \| good	18.85 \| good	2.457 \| good	14.176 \| good	0.294 \| good
2025-12-08T00:00:00.000Z	60 \| moderate	14.322 \| fine	64.5 \| fine	15.853 \| good	2.514 \| good	18 \| good	0.341 \| good
2025-12-08T01:00:00.000Z	64 \| moderate	15.56 \| fine	69.125 \| fine	13.935 \| good	2.501 \| good	17.998 \| good	0.366 \| good
2025-12-08T02:00:00.000Z	64 \| moderate	16.376 \| fine	72.541 \| fine	15.607 \| good	2.489 \| good	17.995 \| good	0.392 \| good
2025-12-08T03:00:00.000Z	64 \| moderate	15.919 \| fine	71.137 \| fine	16.506 \| good	2.476 \| good	17.992 \| good	0.417 \| good
2025-12-08T04:00:00.000Z	62 \| moderate	14.637 \| fine	65.25 \| fine	14.473 \| good	2.215 \| good	14.671 \| good	0.362 \| good
2025-12-08T05:00:00.000Z	58 \| moderate	12.661 \| fine	56.465 \| fine	11.017 \| good	1.955 \| good	11.35 \| good	0.307 \| good
2025-12-08T06:00:00.000Z	58 \| moderate	12.838 \| fine	57.429 \| fine	14.897 \| good	1.694 \| good	8.029 \| good	0.253 \| good
2025-12-08T07:00:00.000Z	54 \| moderate	11.427 \| good	50.95 \| good	17.722 \| good	1.6 \| good	6.499 \| good	0.235 \| good
2025-12-08T08:00:00.000Z	52 \| moderate	9.619 \| good	42.566 \| good	17.283 \| good	1.506 \| good	4.968 \| good	0.217 \| good
2025-12-08T09:00:00.000Z	49 \| good	8.713 \| good	38.469 \| good	16.412 \| good	1.413 \| good	3.437 \| good	0.199 \| good
2025-12-08T10:00:00.000Z	49 \| good	9.257 \| good	41.107 \| good	11.409 \| good	1.615 \| good	3.401 \| good	0.201 \| good
2025-12-08T11:00:00.000Z	44 \| good	8.371 \| good	36.779 \| good	11.298 \| good	1.818 \| good	3.365 \| good	0.203 \| good
2025-12-08T12:00:00.000Z	44 \| good	8.348 \| good	36.552 \| good	12.783 \| good	2.021 \| good	3.328 \| good	0.205 \| good
2025-12-08T13:00:00.000Z	33 \| good	6.353 \| good	28.109 \| good	10.4 \| good	2.342 \| good	3.224 \| good	0.213 \| good
2025-12-08T14:00:00.000Z	16 \| good	2.468 \| good	10.225 \| good	17.481 \| good	2.663 \| good	3.12 \| good	0.22 \| good
2025-12-08T15:00:00.000Z	19 \| good	0.842 \| good	3.077 \| good	21.245 \| good	2.984 \| good	3.015 \| good	0.228 \| good
2025-12-08T16:00:00.000Z	23 \| good	1.639 \| good	6.719 \| good	25.108 \| good	2.797 \| good	2.636 \| good	0.219 \| good
2025-12-08T17:00:00.000Z	27 \| good	2.833 \| good	11.565 \| good	28.768 \| good	2.609 \| good	2.257 \| good	0.211 \| good
2025-12-08T18:00:00.000Z	28 \| good	3.481 \| good	15.495 \| good	30.19 \| good	2.421 \| good	1.878 \| good	0.202 \| good
2025-12-08T19:00:00.000Z	27 \| good	3.65 \| good	16.129 \| good	29.022 \| good	2.246 \| good	1.883 \| good	0.197 \| good
2025-12-08T20:00:00.000Z	27 \| good	4.734 \| good	20.66 \| good	26.002 \| good	2.07 \| good	1.887 \| good	0.192 \| good
2025-12-08T21:00:00.000Z	33 \| good	6.101 \| good	27.155 \| good	28.455 \| good	1.895 \| good	1.891 \| good	0.187 \| good
2025-12-08T22:00:00.000Z	33 \| good	6.074 \| good	27.007 \| good	29.926 \| good	1.939 \| good	2.883 \| good	0.199 \| good
2025-12-08T23:00:00.000Z	33 \| good	6.134 \| good	27.16 \| good	26.694 \| good	1.983 \| good	3.874 \| good	0.21 \| good
2025-12-09T00:00:00.000Z	54 \| moderate	11.305 \| good	50.296 \| good	26.9 \| good	2.028 \| good	4.866 \| good	0.222 \| good
2025-12-09T01:00:00.000Z	38 \| good	7.365 \| good	32.318 \| good	30.519 \| good	2.092 \| good	4.857 \| good	0.224 \| good
2025-12-09T02:00:00.000Z	44 \| good	8.307 \| good	36.406 \| good	31.04 \| good	2.155 \| good	4.847 \| good	0.226 \| good
2025-12-09T03:00:00.000Z	38 \| good	7.366 \| good	32.567 \| good	28.734 \| good	2.219 \| good	4.838 \| good	0.229 \| good
2025-12-09T04:00:00.000Z	38 \| good	7.454 \| good	32.71 \| good	23.549 \| good	2.204 \| good	5.01 \| good	0.231 \| good
2025-12-09T05:00:00.000Z	49 \| good	9.135 \| good	40.52 \| good	17.487 \| good	2.19 \| good	5.181 \| good	0.233 \| good
2025-12-09T06:00:00.000Z	44 \| good	7.659 \| good	7.662 \| good	17.018 \| good	2.176 \| good	5.376 \| good	0.235 \| good

Chattanooga, Tennessee live air quality index now

Major air pollutants in Chattanooga, Tennessee

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Chattanooga, Tennessee air quality map: Track AQI near you

Air quality in nearby cities

Red Bank, Tennessee

East Ridge, Tennessee

Fort Oglethorpe, Georgia

Middle Valley, Tennessee

Collegedale, Tennessee

SoddyDaisy, Tennessee

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Air quality levels in US

Frequently asked questions

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

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What is the current air quality in Chattanooga, Tennessee?

What pollutant is the most common in Chattanooga, Tennessee?

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

What is the current concentration of PM2.5 in Chattanooga, Tennessee?

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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