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

The current PM10 concentration at Chattanooga, Tennessee is 22.165 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Chattanooga, Tennessee is 2.171 ppb.

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

The current ozone (O3) concentration at Chattanooga, Tennessee is 29.005 ppm.

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

The current nitrogen dioxide (NO2) concentration at Chattanooga, Tennessee is 6.983 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 5.318 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)

Good

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)

5.32 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.16 μg/m³

155

255

425

605+

Ozone (O₃)

29.00 ppb

201

201+

Sulfur Dioxide (SO₂)

2.17 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.98 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-07T21:00:00.000Z	44 \| good	8.322 \| good	35.361 \| good	24.121 \| good	0.7 \| good	5.95 \| good	0.245 \| good
2026-03-07T22:00:00.000Z	44 \| good	8.277 \| good	35.406 \| good	26.209 \| good	0.693 \| good	4.772 \| good	0.245 \| good
2026-03-07T23:00:00.000Z	38 \| good	6.63 \| good	28.728 \| good	25.781 \| good	1.442 \| good	6.231 \| good	0.216 \| good
2026-03-08T00:00:00.000Z	38 \| good	6.511 \| good	28.745 \| good	26.034 \| good	2.149 \| good	8.519 \| good	0.216 \| good
2026-03-08T01:00:00.000Z	27 \| good	5.1 \| good	21.184 \| good	25.703 \| good	0.337 \| good	10.222 \| good	0.245 \| good
2026-03-08T02:00:00.000Z	29 \| good	3.813 \| good	16.596 \| good	31.458 \| good	0.268 \| good	9.786 \| good	0.231 \| good
2026-03-08T03:00:00.000Z	58 \| moderate	13.496 \| fine	60.71 \| fine	30.422 \| good	0.48 \| good	3.129 \| good	0.129 \| good
2026-03-08T04:00:00.000Z	28 \| good	2.611 \| good	10.748 \| good	29.608 \| good	0.971 \| good	7.921 \| good	0.278 \| good
2026-03-08T05:00:00.000Z	26 \| good	2.793 \| good	11.691 \| good	28.252 \| good	0.992 \| good	4.172 \| good	0.264 \| good
2026-03-08T06:00:00.000Z	28 \| good	2.797 \| good	11.596 \| good	30.438 \| good	1.157 \| good	6.541 \| good	0.276 \| good
2026-03-08T07:00:00.000Z	25 \| good	3.067 \| good	13.395 \| good	27.083 \| good	0.573 \| good	7.819 \| good	0.345 \| good
2026-03-08T08:00:00.000Z	21 \| good	3.456 \| good	15.395 \| good	22.925 \| good	0.675 \| good	7.852 \| good	0.326 \| good
2026-03-08T09:00:00.000Z	20 \| good	3.477 \| good	15.488 \| good	21.967 \| good	0.726 \| good	7.696 \| good	0.298 \| good
2026-03-08T10:00:00.000Z	23 \| good	3.483 \| good	15.543 \| good	25.044 \| good	0.692 \| good	8.978 \| good	0.326 \| good
2026-03-08T11:00:00.000Z	19 \| good	3.401 \| good	14.629 \| good	20.922 \| good	1.982 \| good	10.4 \| good	0.264 \| good
2026-03-08T12:00:00.000Z	20 \| good	3.405 \| good	14.837 \| good	22.31 \| good	0.744 \| good	11.297 \| good	0.295 \| good
2026-03-08T13:00:00.000Z	19 \| good	3.393 \| good	14.766 \| good	19.962 \| good	0.774 \| good	12.034 \| good	0.313 \| good
2026-03-08T14:00:00.000Z	19 \| good	3.395 \| good	14.571 \| good	20.595 \| good	1.925 \| good	9.679 \| good	0.295 \| good
2026-03-08T15:00:00.000Z	16 \| good	3.385 \| good	14.597 \| good	17.339 \| good	3.304 \| good	8.538 \| good	0.264 \| good
2026-03-08T16:00:00.000Z	19 \| good	3.39 \| good	14.583 \| good	19.653 \| good	3.289 \| good	6.41 \| good	0.293 \| good
2026-03-08T17:00:00.000Z	19 \| good	3.287 \| good	14.532 \| good	21.354 \| good	2.017 \| good	5.012 \| good	0.267 \| good
2026-03-08T18:00:00.000Z	23 \| good	2.892 \| good	11.635 \| good	24.684 \| good	1.791 \| good	5.077 \| good	0.205 \| good
2026-03-08T19:00:00.000Z	27 \| good	2.855 \| good	11.623 \| good	28.579 \| good	2.529 \| good	6.081 \| good	0.296 \| good
2026-03-08T20:00:00.000Z	29 \| good	2.674 \| good	10.647 \| good	30.965 \| good	4.969 \| good	5.527 \| good	0.265 \| good
2026-03-08T21:00:00.000Z	29 \| good	2.78 \| good	11.67 \| good	30.574 \| good	4.939 \| good	5.392 \| good	0.265 \| good
2026-03-08T22:00:00.000Z	30 \| good	2.968 \| good	11.596 \| good	32.058 \| good	2.641 \| good	5.903 \| good	0.22 \| good
2026-03-08T23:00:00.000Z	30 \| good	2.988 \| good	11.624 \| good	32.263 \| good	3.175 \| good	4.006 \| good	0.262 \| good
2026-03-09T00:00:00.000Z	26 \| good	3.183 \| good	13.519 \| good	28.487 \| good	4.76 \| good	4.653 \| good	0.293 \| good
2026-03-09T01:00:00.000Z	27 \| good	3.571 \| good	15.482 \| good	29.169 \| good	1.018 \| good	8.355 \| good	0.338 \| good
2026-03-09T02:00:00.000Z	26 \| good	3.782 \| good	15.803 \| good	28.451 \| good	0.815 \| good	20.033 \| good	0.398 \| good
2026-03-09T03:00:00.000Z	56 \| moderate	11.756 \| good	52.068 \| good	22.152 \| good	0.852 \| good	11.236 \| good	0.251 \| good
2026-03-09T04:00:00.000Z	27 \| good	5.086 \| good	21.517 \| good	20.978 \| good	0.383 \| good	20.673 \| good	0.485 \| good
2026-03-09T05:00:00.000Z	27 \| good	5.035 \| good	21.383 \| good	19.614 \| good	0.411 \| good	18.827 \| good	0.474 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.746 \| good	24.241 \| good	16.722 \| good	0.376 \| good	15.425 \| good	0.426 \| good
2026-03-09T07:00:00.000Z	33 \| good	5.715 \| good	23.97 \| good	18.083 \| good	0.658 \| good	10 \| good	0.427 \| good
2026-03-09T08:00:00.000Z	33 \| good	6.136 \| good	26.927 \| good	11.858 \| good	0.81 \| good	13.275 \| good	0.38 \| good
2026-03-09T09:00:00.000Z	44 \| good	7.731 \| good	33.473 \| good	11.034 \| good	0.701 \| good	11.418 \| good	0.366 \| good
2026-03-09T10:00:00.000Z	44 \| good	7.998 \| good	34.352 \| good	15.219 \| good	0.442 \| good	10.801 \| good	0.328 \| good
2026-03-09T11:00:00.000Z	38 \| good	6.657 \| good	28.851 \| good	13.472 \| good	0.373 \| good	11.207 \| good	0.345 \| good
2026-03-09T12:00:00.000Z	33 \| good	6.065 \| good	26.076 \| good	9.773 \| good	0.543 \| good	10.956 \| good	0.481 \| good
2026-03-09T13:00:00.000Z	33 \| good	5.985 \| good	25.91 \| good	14.709 \| good	0.661 \| good	10.487 \| good	0.42 \| good
2026-03-09T14:00:00.000Z	27 \| good	5.183 \| good	22.047 \| good	17.197 \| good	0.534 \| good	10.566 \| good	0.322 \| good
2026-03-09T15:00:00.000Z	22 \| good	4.435 \| good	19.183 \| good	11.708 \| good	1.413 \| good	12.884 \| good	0.335 \| good
2026-03-09T16:00:00.000Z	27 \| good	4.718 \| good	20.258 \| good	15.327 \| good	1.829 \| good	11.895 \| good	0.351 \| good
2026-03-09T17:00:00.000Z	27 \| good	4.741 \| good	20.448 \| good	26.763 \| good	1.825 \| good	11.389 \| good	0.337 \| good
2026-03-09T18:00:00.000Z	29 \| good	5.489 \| good	23.104 \| good	30.508 \| good	1.647 \| good	7.141 \| good	0.278 \| good
2026-03-09T19:00:00.000Z	27 \| good	5.318 \| good	22.165 \| good	29.005 \| good	2.171 \| good	6.983 \| good	0.247 \| good
2026-03-09T20:00:00.000Z	31 \| good	5.314 \| good	22.029 \| good	33.7 \| good	2.923 \| good	9.134 \| good	0.324 \| good
2026-03-09T20:00:00.000Z	27 \| good	5.318 \| good	22.165 \| good	29.005 \| good	2.171 \| good	6.983 \| good	0.247 \| good
2026-03-09T21:00:00.000Z	62 \| moderate	15.38 \| fine	68.857 \| fine	43.234 \| good	0.44 \| good	0.841 \| good	0.119 \| good
2026-03-09T22:00:00.000Z	69 \| moderate	19.139 \| fine	84.798 \| fine	47.016 \| good	0.542 \| good	1.525 \| good	0.126 \| good
2026-03-09T23:00:00.000Z	62 \| moderate	14.736 \| fine	66.043 \| fine	29.865 \| good	0.644 \| good	2.21 \| good	0.133 \| good
2026-03-10T00:00:00.000Z	56 \| moderate	12.213 \| fine	54.723 \| good	28.694 \| good	0.746 \| good	2.894 \| good	0.139 \| good
2026-03-10T01:00:00.000Z	58 \| moderate	12.563 \| fine	56.754 \| fine	27.192 \| good	0.79 \| good	2.953 \| good	0.14 \| good
2026-03-10T02:00:00.000Z	69 \| moderate	18.618 \| fine	82.289 \| fine	31.659 \| good	0.833 \| good	3.012 \| good	0.141 \| good
2026-03-10T03:00:00.000Z	67 \| moderate	18.381 \| fine	81.319 \| fine	31.061 \| good	0.876 \| good	3.07 \| good	0.141 \| good
2026-03-10T04:00:00.000Z	67 \| moderate	17.847 \| fine	79.581 \| fine	30.016 \| good	0.851 \| good	3.111 \| good	0.141 \| good
2026-03-10T05:00:00.000Z	64 \| moderate	15.859 \| fine	70.527 \| fine	27.948 \| good	0.825 \| good	3.151 \| good	0.141 \| good
2026-03-10T06:00:00.000Z	64 \| moderate	15.764 \| fine	69.762 \| fine	23.544 \| good	0.8 \| good	3.191 \| good	0.141 \| good
2026-03-10T07:00:00.000Z	52 \| moderate	9.742 \| good	43.589 \| good	27.251 \| good	0.773 \| good	2.857 \| good	0.137 \| good
2026-03-10T08:00:00.000Z	52 \| moderate	10.293 \| good	45.77 \| good	26.107 \| good	0.746 \| good	2.522 \| good	0.133 \| good
2026-03-10T09:00:00.000Z	54 \| moderate	11.174 \| good	49.327 \| good	27.44 \| good	0.718 \| good	2.188 \| good	0.129 \| good
2026-03-10T10:00:00.000Z	67 \| moderate	18.428 \| fine	81.522 \| fine	21.065 \| good	0.645 \| good	2.23 \| good	0.127 \| good
2026-03-10T11:00:00.000Z	67 \| moderate	18.171 \| fine	80.372 \| fine	18.864 \| good	0.572 \| good	2.271 \| good	0.124 \| good
2026-03-10T12:00:00.000Z	66 \| moderate	16.731 \| fine	74.394 \| fine	18.891 \| good	0.498 \| good	2.313 \| good	0.122 \| good
2026-03-10T13:00:00.000Z	62 \| moderate	15.306 \| fine	68.138 \| fine	17.792 \| good	0.462 \| good	2.333 \| good	0.121 \| good
2026-03-10T14:00:00.000Z	62 \| moderate	15.197 \| fine	67.956 \| fine	20.278 \| good	0.427 \| good	2.353 \| good	0.121 \| good
2026-03-10T15:00:00.000Z	62 \| moderate	15.034 \| fine	67.383 \| fine	17.823 \| good	0.391 \| good	2.374 \| good	0.12 \| good
2026-03-10T16:00:00.000Z	60 \| moderate	13.92 \| fine	62.372 \| fine	24.358 \| good	0.343 \| good	1.945 \| good	0.116 \| good
2026-03-10T17:00:00.000Z	56 \| moderate	12.249 \| fine	55.431 \| fine	29.683 \| good	0.295 \| good	1.516 \| good	0.111 \| good
2026-03-10T18:00:00.000Z	52 \| moderate	9.804 \| good	43.451 \| good	25.622 \| good	0.248 \| good	1.088 \| good	0.107 \| good
2026-03-10T19:00:00.000Z	54 \| moderate	11.448 \| good	50.827 \| good	24.02 \| good	0.261 \| good	0.949 \| good	0.106 \| good
2026-03-10T20:00:00.000Z	49 \| good	9.153 \| good	40.777 \| good	21.27 \| good	0.275 \| good	0.81 \| good	0.106 \| good
2026-03-10T21:00:00.000Z	49 \| good	8.781 \| good	38.625 \| good	21.09 \| good	0.288 \| good	0.67 \| good	0.106 \| good
2026-03-10T22:00:00.000Z	49 \| good	8.784 \| good	38.598 \| good	23.895 \| good	0.336 \| good	1.21 \| good	0.111 \| good
2026-03-10T23:00:00.000Z	75 \| moderate	21.912 \| fine	96.208 \| fine	23.897 \| good	0.383 \| good	1.75 \| good	0.116 \| good
2026-03-11T00:00:00.000Z	64 \| moderate	16.014 \| fine	71.446 \| fine	32.289 \| good	0.431 \| good	2.29 \| good	0.12 \| good
2026-03-11T01:00:00.000Z	66 \| moderate	16.95 \| fine	75.446 \| fine	33.308 \| good	0.502 \| good	2.518 \| good	0.123 \| good
2026-03-11T02:00:00.000Z	73 \| moderate	20.804 \| fine	91.664 \| fine	28.812 \| good	0.573 \| good	2.746 \| good	0.126 \| good
2026-03-11T03:00:00.000Z	73 \| moderate	20.518 \| fine	90.265 \| fine	27.439 \| good	0.644 \| good	2.973 \| good	0.129 \| good
2026-03-11T04:00:00.000Z	73 \| moderate	20.805 \| fine	91.382 \| fine	24.267 \| good	0.658 \| good	2.785 \| good	0.126 \| good
2026-03-11T05:00:00.000Z	71 \| moderate	20.374 \| fine	89.541 \| fine	21.265 \| good	0.671 \| good	2.598 \| good	0.124 \| good
2026-03-11T06:00:00.000Z	33 \| good	6.48 \| good	6.813 \| good	24.413 \| good	0.696 \| good	2.418 \| good	0.121 \| good
2026-03-11T07:00:00.000Z	67 \| moderate	17.896 \| fine	79.733 \| fine	20.836 \| good	0.693 \| good	2.286 \| good	0.118 \| good
2026-03-11T08:00:00.000Z	58 \| moderate	12.565 \| fine	56.398 \| fine	24.932 \| good	0.702 \| good	2.162 \| good	0.115 \| good
2026-03-11T09:00:00.000Z	60 \| moderate	13.684 \| fine	61.657 \| fine	22.054 \| good	0.711 \| good	2.038 \| good	0.113 \| good
2026-03-11T10:00:00.000Z	73 \| moderate	20.59 \| fine	90.647 \| fine	20.252 \| good	0.768 \| good	2.27 \| good	0.114 \| good
2026-03-11T11:00:00.000Z	71 \| moderate	20.016 \| fine	87.849 \| fine	16.23 \| good	0.825 \| good	2.502 \| good	0.115 \| good
2026-03-11T12:00:00.000Z	27 \| good	5.439 \| good	5.849 \| good	20.442 \| good	0.887 \| good	2.734 \| good	0.117 \| good
2026-03-11T13:00:00.000Z	33 \| good	5.771 \| good	6.244 \| good	21.694 \| good	0.705 \| good	2.342 \| good	0.112 \| good
2026-03-11T14:00:00.000Z	38 \| good	6.614 \| good	7.204 \| good	22.947 \| good	0.522 \| good	1.95 \| good	0.107 \| good
2026-03-11T15:00:00.000Z	38 \| good	7.281 \| good	7.928 \| good	24.2 \| good	0.339 \| good	1.558 \| good	0.102 \| good
2026-03-11T16:00:00.000Z	38 \| good	7.306 \| good	7.937 \| good	26.253 \| good	0.306 \| good	1.292 \| good	0.099 \| good
2026-03-11T17:00:00.000Z	49 \| good	9.465 \| good	42.365 \| good	24.141 \| good	0.271 \| good	1.025 \| good	0.096 \| good
2026-03-11T18:00:00.000Z	33 \| good	5.773 \| good	6.243 \| good	30.361 \| good	0.24 \| good	0.762 \| good	0.093 \| good
2026-03-11T19:00:00.000Z	30 \| good	5.228 \| good	5.637 \| good	31.946 \| good	0.26 \| good	0.752 \| good	0.093 \| good
2026-03-11T20:00:00.000Z	31 \| good	5.082 \| good	5.441 \| good	33.532 \| good	0.279 \| good	0.742 \| good	0.093 \| good

Chattanooga

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Chattanooga, Tennessee air quality map: Track AQI near you

0.24ppm

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 03:00:00 on 2026-03-09.

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 03:00:00 on 2026-03-09.

What is the current air quality in Chattanooga, Tennessee?

The current air quality in Chattanooga, Tennessee is 27, categorized as Good based on real-time data.

What pollutant is the most common in Chattanooga, Tennessee?

The most common pollutant in Chattanooga, Tennessee is O3.

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 5.318 μg/m³.

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

The current PM₁₀ concentration at Chattanooga, Tennessee is 22.165 μg/m³.

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

The current carbon monoxide (CO) concentration at Chattanooga, Tennessee is 0.247 ppm.

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

The current sulfur dioxide (SO₂) concentration at Chattanooga, Tennessee is 2.171 ppb.

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

The current ozone (O₃) concentration at Chattanooga, Tennessee is 29.005 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Chattanooga, Tennessee is 6.983 ppb.

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