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

The current PM10 concentration at Chattanooga, Tennessee is 35.902 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Chattanooga, Tennessee is 3.217 ppb.

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

The current ozone (O3) concentration at Chattanooga, Tennessee is 15.682 ppm.

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

The current nitrogen dioxide (NO2) concentration at Chattanooga, Tennessee is 11.293 ppb.

Chattanooga, Tennessee live air quality index now

Name: Live air pollution levels in Chattanooga, Tennessee today
Creator: Ambee

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)

8.40 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.90 μg/m³

155

255

425

605+

Ozone (O₃)

15.68 ppb

201

201+

Sulfur Dioxide (SO₂)

3.22 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.29 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 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
2025-07-14T16:00:00.000Z	33 \| good	5.677 \| good	24.396 \| good	18.073 \| good	4.41 \| good	9.558 \| good	0.26 \| good
2025-07-14T17:00:00.000Z	38 \| good	6.511 \| good	28.499 \| good	23.714 \| good	3.923 \| good	9.649 \| good	0.309 \| good
2025-07-14T18:00:00.000Z	38 \| good	7.281 \| good	31.078 \| good	31.122 \| good	2.819 \| good	6.115 \| good	0.293 \| good
2025-07-14T19:00:00.000Z	44 \| good	7.762 \| good	33.062 \| good	32.968 \| good	3.072 \| good	6.088 \| good	0.233 \| good
2025-07-14T20:00:00.000Z	44 \| good	7.682 \| good	32.973 \| good	33.873 \| good	2.943 \| good	7.962 \| good	0.233 \| good
2025-07-14T21:00:00.000Z	38 \| good	7.185 \| good	30.974 \| good	34.481 \| good	2.173 \| good	6.755 \| good	0.264 \| good
2025-07-14T22:00:00.000Z	33 \| good	6.29 \| good	27.34 \| good	36.041 \| good	1.524 \| good	6.363 \| good	0.233 \| good
2025-07-14T23:00:00.000Z	38 \| good	6.648 \| good	29.012 \| good	32.566 \| good	1.505 \| good	6.404 \| good	0.264 \| good
2025-07-15T00:00:00.000Z	38 \| good	6.949 \| good	29.905 \| good	36.98 \| good	1.343 \| good	7.916 \| good	0.247 \| good
2025-07-15T01:00:00.000Z	38 \| good	7.057 \| good	30.867 \| good	38.511 \| good	0.994 \| good	9.109 \| good	0.247 \| good
2025-07-15T02:00:00.000Z	38 \| good	6.98 \| good	29.946 \| good	40.827 \| good	1.35 \| good	11.548 \| good	0.289 \| good
2025-07-15T03:00:00.000Z	38 \| good	7.077 \| good	30.894 \| good	33.749 \| good	0.977 \| good	11.705 \| good	0.287 \| good
2025-07-15T04:00:00.000Z	38 \| good	7.126 \| good	30.938 \| good	33.315 \| good	1.316 \| good	10.961 \| good	0.333 \| good
2025-07-15T05:00:00.000Z	38 \| good	6.972 \| good	30.041 \| good	31.117 \| good	1.339 \| good	13.931 \| good	0.333 \| good
2025-07-15T06:00:00.000Z	38 \| good	6.887 \| good	29.144 \| good	22.118 \| good	1.243 \| good	13.812 \| good	0.346 \| good
2025-07-15T07:00:00.000Z	38 \| good	7.089 \| good	30.044 \| good	17.731 \| good	0.886 \| good	12.215 \| good	0.286 \| good
2025-07-15T08:00:00.000Z	38 \| good	7.096 \| good	30.162 \| good	10.033 \| good	1.292 \| good	11.798 \| good	0.272 \| good
2025-07-15T09:00:00.000Z	38 \| good	7.06 \| good	30.04 \| good	8.204 \| good	1.29 \| good	11.586 \| good	0.213 \| good
2025-07-15T10:00:00.000Z	38 \| good	7.039 \| good	30.067 \| good	10.164 \| good	1.331 \| good	12.503 \| good	0.271 \| good
2025-07-15T11:00:00.000Z	38 \| good	7.054 \| good	30.347 \| good	8.562 \| good	1.139 \| good	12.713 \| good	0.319 \| good
2025-07-15T12:00:00.000Z	38 \| good	7.077 \| good	30.634 \| good	5.541 \| good	0.9 \| good	12.867 \| good	0.346 \| good
2025-07-15T13:00:00.000Z	38 \| good	7.173 \| good	31.324 \| good	13.233 \| good	1.081 \| good	9.788 \| good	0.301 \| good
2025-07-15T14:00:00.000Z	38 \| good	7.172 \| good	31.461 \| good	12.711 \| good	1.001 \| good	12.814 \| good	0.29 \| good
2025-07-15T15:00:00.000Z	38 \| good	7.264 \| good	31.712 \| good	18.002 \| good	1.521 \| good	10.199 \| good	0.262 \| good
2025-07-15T16:00:00.000Z	38 \| good	7.293 \| good	31.815 \| good	23.478 \| good	2.325 \| good	13.523 \| good	0.369 \| good
2025-07-15T17:00:00.000Z	49 \| good	9.456 \| good	26.355 \| good	25.41 \| good	1.721 \| good	7.813 \| good	0.31 \| good
2025-07-15T18:00:00.000Z	49 \| good	9.147 \| good	24.703 \| good	30.205 \| good	4.915 \| good	6.25 \| good	0.251 \| good
2025-07-15T19:00:00.000Z	44 \| good	8.338 \| good	20.618 \| good	31.569 \| good	1.898 \| good	5.04 \| good	0.265 \| good
2025-07-15T20:00:00.000Z	38 \| good	6.577 \| good	28.141 \| good	35.875 \| good	1.106 \| good	6.248 \| good	0.28 \| good
2025-07-15T21:00:00.000Z	38 \| good	6.538 \| good	28.034 \| good	32.249 \| good	2.033 \| good	8.17 \| good	0.292 \| good
2025-07-15T22:00:00.000Z	33 \| good	6.335 \| good	27.12 \| good	33.828 \| good	2.902 \| good	17.347 \| good	0.336 \| good
2025-07-15T23:00:00.000Z	33 \| good	6.123 \| good	26.141 \| good	30.923 \| good	2.881 \| good	17.198 \| good	0.321 \| good
2025-07-16T00:00:00.000Z	33 \| good	5.712 \| good	24.285 \| good	31.213 \| good	10.827 \| good	15.999 \| good	0.333 \| good
2025-07-16T01:00:00.000Z	33 \| good	5.514 \| good	23.443 \| good	27.031 \| good	4.375 \| good	10.216 \| good	0.351 \| good
2025-07-16T02:00:00.000Z	33 \| good	5.631 \| good	23.302 \| good	26.923 \| good	2.497 \| good	17.688 \| good	0.456 \| good
2025-07-16T03:00:00.000Z	49 \| good	8.93 \| good	39.642 \| good	18.414 \| good	0.72 \| good	8.816 \| good	0.247 \| good
2025-07-16T04:00:00.000Z	33 \| good	6.125 \| good	26.272 \| good	21.002 \| good	1.357 \| good	16.869 \| good	0.382 \| good
2025-07-16T05:00:00.000Z	33 \| good	6.291 \| good	27.179 \| good	16.28 \| good	1.339 \| good	16.877 \| good	0.43 \| good
2025-07-16T06:00:00.000Z	33 \| good	6.399 \| good	27.448 \| good	12.394 \| good	1.315 \| good	10.946 \| good	0.365 \| good
2025-07-16T07:00:00.000Z	38 \| good	6.684 \| good	29.177 \| good	14.036 \| good	1.315 \| good	11.631 \| good	0.364 \| good
2025-07-16T08:00:00.000Z	38 \| good	6.648 \| good	29.021 \| good	19.223 \| good	1.338 \| good	8.319 \| good	0.288 \| good
2025-07-16T09:00:00.000Z	38 \| good	6.723 \| good	28.946 \| good	18.971 \| good	1.337 \| good	11.127 \| good	0.244 \| good
2025-07-16T10:00:00.000Z	38 \| good	6.985 \| good	30.564 \| good	15.131 \| good	1.336 \| good	10.913 \| good	0.29 \| good
2025-07-16T11:00:00.000Z	44 \| good	7.525 \| good	32.227 \| good	16.122 \| good	1.363 \| good	10.666 \| good	0.426 \| good
2025-07-16T12:00:00.000Z	44 \| good	7.606 \| good	33.19 \| good	14.449 \| good	1.387 \| good	11.231 \| good	0.445 \| good
2025-07-16T13:00:00.000Z	44 \| good	8.017 \| good	34.161 \| good	17.025 \| good	1.577 \| good	12.179 \| good	0.415 \| good
2025-07-16T14:00:00.000Z	44 \| good	8.396 \| good	35.902 \| good	15.682 \| good	3.217 \| good	11.293 \| good	0.324 \| good
2025-07-16T15:00:00.000Z	49 \| good	8.518 \| good	36.062 \| good	22.389 \| good	5.017 \| good	8.913 \| good	0.324 \| good
2025-07-16T15:00:00.000Z	44 \| good	8.396 \| good	35.902 \| good	15.682 \| good	3.217 \| good	11.293 \| good	0.324 \| good
2025-07-16T16:00:00.000Z	56 \| moderate	12.04 \| good	54.184 \| good	41.556 \| good	0.721 \| good	0.919 \| good	0.165 \| good
2025-07-16T17:00:00.000Z	54 \| moderate	11.021 \| good	48.725 \| good	43.756 \| good	0.651 \| good	0.834 \| good	0.163 \| good
2025-07-16T18:00:00.000Z	52 \| moderate	9.869 \| good	43.868 \| good	47.548 \| good	0.581 \| good	0.749 \| good	0.162 \| good
2025-07-16T19:00:00.000Z	49 \| good	9.457 \| good	42.123 \| good	47.457 \| good	0.575 \| good	0.767 \| good	0.162 \| good
2025-07-16T20:00:00.000Z	49 \| good	9.104 \| good	40.707 \| good	47.996 \| good	0.57 \| good	0.784 \| good	0.163 \| good
2025-07-16T21:00:00.000Z	49 \| good	9.024 \| good	40.263 \| good	50.921 \| good	0.564 \| good	0.801 \| good	0.163 \| good
2025-07-16T22:00:00.000Z	49 \| good	9.335 \| good	41.702 \| good	49.951 \| good	0.601 \| good	1.323 \| good	0.17 \| good
2025-07-16T23:00:00.000Z	49 \| good	9.249 \| good	41.457 \| good	48.083 \| good	0.638 \| good	1.846 \| good	0.177 \| good
2025-07-17T00:00:00.000Z	44 \| good	8.446 \| good	36.935 \| good	39.179 \| good	0.674 \| good	2.368 \| good	0.184 \| good
2025-07-17T01:00:00.000Z	44 \| good	7.938 \| good	34.835 \| good	32.761 \| good	0.753 \| good	4.286 \| good	0.214 \| good
2025-07-17T02:00:00.000Z	44 \| good	7.923 \| good	34.621 \| good	31.01 \| good	0.831 \| good	6.204 \| good	0.244 \| good
2025-07-17T03:00:00.000Z	49 \| good	8.62 \| good	37.916 \| good	29.142 \| good	0.91 \| good	8.122 \| good	0.274 \| good
2025-07-17T04:00:00.000Z	38 \| good	6.717 \| good	29.941 \| good	27.441 \| good	0.95 \| good	7.008 \| good	0.262 \| good
2025-07-17T05:00:00.000Z	33 \| good	6.42 \| good	28.584 \| good	22.557 \| good	0.991 \| good	5.893 \| good	0.249 \| good
2025-07-17T06:00:00.000Z	33 \| good	6.123 \| good	27.185 \| good	19.949 \| good	1.032 \| good	4.778 \| good	0.237 \| good
2025-07-17T07:00:00.000Z	33 \| good	5.924 \| good	26.077 \| good	15.147 \| good	1.029 \| good	4.342 \| good	0.229 \| good
2025-07-17T08:00:00.000Z	33 \| good	6.381 \| good	28.256 \| good	13.705 \| good	1.027 \| good	3.905 \| good	0.222 \| good
2025-07-17T09:00:00.000Z	38 \| good	6.809 \| good	30.113 \| good	11.219 \| good	1.025 \| good	3.469 \| good	0.215 \| good
2025-07-17T10:00:00.000Z	38 \| good	7.04 \| good	31.054 \| good	9.921 \| good	0.953 \| good	3.159 \| good	0.211 \| good
2025-07-17T11:00:00.000Z	44 \| good	8.276 \| good	36.342 \| good	10.415 \| good	0.881 \| good	2.85 \| good	0.208 \| good
2025-07-17T12:00:00.000Z	49 \| good	9.13 \| good	40.269 \| good	10.927 \| good	0.809 \| good	2.541 \| good	0.204 \| good
2025-07-17T13:00:00.000Z	49 \| good	9.145 \| good	40.901 \| good	18.994 \| good	0.745 \| good	1.948 \| good	0.186 \| good
2025-07-17T14:00:00.000Z	49 \| good	9.17 \| good	41.007 \| good	29.746 \| good	0.68 \| good	1.355 \| good	0.168 \| good
2025-07-17T15:00:00.000Z	49 \| good	9.394 \| good	42.062 \| good	36.745 \| good	0.616 \| good	0.763 \| good	0.149 \| good
2025-07-17T16:00:00.000Z	54 \| moderate	10.52 \| good	46.68 \| good	35.366 \| good	0.582 \| good	0.704 \| good	0.144 \| good
2025-07-17T17:00:00.000Z	52 \| moderate	9.724 \| good	43.185 \| good	34.796 \| good	0.547 \| good	0.646 \| good	0.14 \| good
2025-07-17T18:00:00.000Z	44 \| good	7.904 \| good	34.734 \| good	35.687 \| good	0.513 \| good	0.588 \| good	0.135 \| good
2025-07-17T19:00:00.000Z	44 \| good	8.453 \| good	37 \| good	34.124 \| good	0.522 \| good	0.641 \| good	0.135 \| good
2025-07-17T20:00:00.000Z	38 \| good	7.259 \| good	32 \| good	32.743 \| good	0.532 \| good	0.693 \| good	0.135 \| good
2025-07-17T21:00:00.000Z	38 \| good	6.705 \| good	30 \| good	32.421 \| good	0.542 \| good	0.746 \| good	0.135 \| good
2025-07-17T22:00:00.000Z	38 \| good	6.621 \| good	29.928 \| good	31.925 \| good	0.595 \| good	1.301 \| good	0.142 \| good
2025-07-17T23:00:00.000Z	38 \| good	6.973 \| good	31 \| good	29.682 \| good	0.649 \| good	1.856 \| good	0.149 \| good
2025-07-18T00:00:00.000Z	44 \| good	7.822 \| good	34.222 \| good	23.807 \| good	0.702 \| good	2.411 \| good	0.156 \| good
2025-07-18T01:00:00.000Z	44 \| good	7.602 \| good	33.368 \| good	19.838 \| good	0.711 \| good	4.004 \| good	0.179 \| good
2025-07-18T02:00:00.000Z	44 \| good	8.094 \| good	35.362 \| good	17.469 \| good	0.72 \| good	5.597 \| good	0.202 \| good
2025-07-18T03:00:00.000Z	38 \| good	7.071 \| good	31.362 \| good	17.387 \| good	0.729 \| good	7.19 \| good	0.224 \| good
2025-07-18T04:00:00.000Z	33 \| good	6.039 \| good	27.114 \| good	18.495 \| good	0.732 \| good	6.097 \| good	0.208 \| good
2025-07-18T05:00:00.000Z	33 \| good	5.956 \| good	25.753 \| good	16.685 \| good	0.735 \| good	5.005 \| good	0.193 \| good
2025-07-18T06:00:00.000Z	33 \| good	5.763 \| good	24.883 \| good	14.674 \| good	0.737 \| good	3.912 \| good	0.177 \| good
2025-07-18T07:00:00.000Z	33 \| good	6.018 \| good	26.855 \| good	11.237 \| good	0.748 \| good	3.859 \| good	0.176 \| good
2025-07-18T08:00:00.000Z	33 \| good	6.283 \| good	28.177 \| good	9.629 \| good	0.758 \| good	3.807 \| good	0.174 \| good
2025-07-18T09:00:00.000Z	33 \| good	6.247 \| good	27.937 \| good	9.067 \| good	0.769 \| good	3.754 \| good	0.173 \| good
2025-07-18T10:00:00.000Z	33 \| good	6.47 \| good	28.93 \| good	6.712 \| good	0.744 \| good	3.494 \| good	0.176 \| good
2025-07-18T11:00:00.000Z	44 \| good	7.61 \| good	33.26 \| good	9.362 \| good	0.718 \| good	3.234 \| good	0.178 \| good
2025-07-18T12:00:00.000Z	44 \| good	8.457 \| good	37.152 \| good	9.999 \| good	0.693 \| good	2.974 \| good	0.181 \| good
2025-07-18T13:00:00.000Z	44 \| good	8.48 \| good	37.096 \| good	14.384 \| good	0.656 \| good	2.235 \| good	0.167 \| good
2025-07-18T14:00:00.000Z	49 \| good	8.88 \| good	39.179 \| good	20.946 \| good	0.619 \| good	1.496 \| good	0.153 \| good
2025-07-18T15:00:00.000Z	44 \| good	7.565 \| good	33.362 \| good	25.784 \| good	0.582 \| good	0.756 \| good	0.139 \| good

Chattanooga

Get reliable air quality data to drive your business

Chattanooga, Tennessee air quality map: Track AQI near you

0.32ppm

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 2025-07-16.

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 06:00:00 on 2025-07-16.

What is the current air quality in Chattanooga, Tennessee?

The current air quality in Chattanooga, Tennessee is 44, 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 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 8.396 μg/m³.

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

The current PM₁₀ concentration at Chattanooga, Tennessee is 35.902 μg/m³.

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

The current carbon monoxide (CO) concentration at Chattanooga, Tennessee is 0.324 ppm.

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

The current sulfur dioxide (SO₂) concentration at Chattanooga, Tennessee is 3.217 ppb.

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

The current ozone (O₃) concentration at Chattanooga, Tennessee is 15.682 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Chattanooga, Tennessee is 11.293 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-14T16:00:00.000Z	33 \| good	5.677 \| good	24.396 \| good	18.073 \| good	4.41 \| good	9.558 \| good	0.26 \| good
2025-07-14T17:00:00.000Z	38 \| good	6.511 \| good	28.499 \| good	23.714 \| good	3.923 \| good	9.649 \| good	0.309 \| good
2025-07-14T18:00:00.000Z	38 \| good	7.281 \| good	31.078 \| good	31.122 \| good	2.819 \| good	6.115 \| good	0.293 \| good
2025-07-14T19:00:00.000Z	44 \| good	7.762 \| good	33.062 \| good	32.968 \| good	3.072 \| good	6.088 \| good	0.233 \| good
2025-07-14T20:00:00.000Z	44 \| good	7.682 \| good	32.973 \| good	33.873 \| good	2.943 \| good	7.962 \| good	0.233 \| good
2025-07-14T21:00:00.000Z	38 \| good	7.185 \| good	30.974 \| good	34.481 \| good	2.173 \| good	6.755 \| good	0.264 \| good
2025-07-14T22:00:00.000Z	33 \| good	6.29 \| good	27.34 \| good	36.041 \| good	1.524 \| good	6.363 \| good	0.233 \| good
2025-07-14T23:00:00.000Z	38 \| good	6.648 \| good	29.012 \| good	32.566 \| good	1.505 \| good	6.404 \| good	0.264 \| good
2025-07-15T00:00:00.000Z	38 \| good	6.949 \| good	29.905 \| good	36.98 \| good	1.343 \| good	7.916 \| good	0.247 \| good
2025-07-15T01:00:00.000Z	38 \| good	7.057 \| good	30.867 \| good	38.511 \| good	0.994 \| good	9.109 \| good	0.247 \| good
2025-07-15T02:00:00.000Z	38 \| good	6.98 \| good	29.946 \| good	40.827 \| good	1.35 \| good	11.548 \| good	0.289 \| good
2025-07-15T03:00:00.000Z	38 \| good	7.077 \| good	30.894 \| good	33.749 \| good	0.977 \| good	11.705 \| good	0.287 \| good
2025-07-15T04:00:00.000Z	38 \| good	7.126 \| good	30.938 \| good	33.315 \| good	1.316 \| good	10.961 \| good	0.333 \| good
2025-07-15T05:00:00.000Z	38 \| good	6.972 \| good	30.041 \| good	31.117 \| good	1.339 \| good	13.931 \| good	0.333 \| good
2025-07-15T06:00:00.000Z	38 \| good	6.887 \| good	29.144 \| good	22.118 \| good	1.243 \| good	13.812 \| good	0.346 \| good
2025-07-15T07:00:00.000Z	38 \| good	7.089 \| good	30.044 \| good	17.731 \| good	0.886 \| good	12.215 \| good	0.286 \| good
2025-07-15T08:00:00.000Z	38 \| good	7.096 \| good	30.162 \| good	10.033 \| good	1.292 \| good	11.798 \| good	0.272 \| good
2025-07-15T09:00:00.000Z	38 \| good	7.06 \| good	30.04 \| good	8.204 \| good	1.29 \| good	11.586 \| good	0.213 \| good
2025-07-15T10:00:00.000Z	38 \| good	7.039 \| good	30.067 \| good	10.164 \| good	1.331 \| good	12.503 \| good	0.271 \| good
2025-07-15T11:00:00.000Z	38 \| good	7.054 \| good	30.347 \| good	8.562 \| good	1.139 \| good	12.713 \| good	0.319 \| good
2025-07-15T12:00:00.000Z	38 \| good	7.077 \| good	30.634 \| good	5.541 \| good	0.9 \| good	12.867 \| good	0.346 \| good
2025-07-15T13:00:00.000Z	38 \| good	7.173 \| good	31.324 \| good	13.233 \| good	1.081 \| good	9.788 \| good	0.301 \| good
2025-07-15T14:00:00.000Z	38 \| good	7.172 \| good	31.461 \| good	12.711 \| good	1.001 \| good	12.814 \| good	0.29 \| good
2025-07-15T15:00:00.000Z	38 \| good	7.264 \| good	31.712 \| good	18.002 \| good	1.521 \| good	10.199 \| good	0.262 \| good
2025-07-15T16:00:00.000Z	38 \| good	7.293 \| good	31.815 \| good	23.478 \| good	2.325 \| good	13.523 \| good	0.369 \| good
2025-07-15T17:00:00.000Z	49 \| good	9.456 \| good	26.355 \| good	25.41 \| good	1.721 \| good	7.813 \| good	0.31 \| good
2025-07-15T18:00:00.000Z	49 \| good	9.147 \| good	24.703 \| good	30.205 \| good	4.915 \| good	6.25 \| good	0.251 \| good
2025-07-15T19:00:00.000Z	44 \| good	8.338 \| good	20.618 \| good	31.569 \| good	1.898 \| good	5.04 \| good	0.265 \| good
2025-07-15T20:00:00.000Z	38 \| good	6.577 \| good	28.141 \| good	35.875 \| good	1.106 \| good	6.248 \| good	0.28 \| good
2025-07-15T21:00:00.000Z	38 \| good	6.538 \| good	28.034 \| good	32.249 \| good	2.033 \| good	8.17 \| good	0.292 \| good
2025-07-15T22:00:00.000Z	33 \| good	6.335 \| good	27.12 \| good	33.828 \| good	2.902 \| good	17.347 \| good	0.336 \| good
2025-07-15T23:00:00.000Z	33 \| good	6.123 \| good	26.141 \| good	30.923 \| good	2.881 \| good	17.198 \| good	0.321 \| good
2025-07-16T00:00:00.000Z	33 \| good	5.712 \| good	24.285 \| good	31.213 \| good	10.827 \| good	15.999 \| good	0.333 \| good
2025-07-16T01:00:00.000Z	33 \| good	5.514 \| good	23.443 \| good	27.031 \| good	4.375 \| good	10.216 \| good	0.351 \| good
2025-07-16T02:00:00.000Z	33 \| good	5.631 \| good	23.302 \| good	26.923 \| good	2.497 \| good	17.688 \| good	0.456 \| good
2025-07-16T03:00:00.000Z	49 \| good	8.93 \| good	39.642 \| good	18.414 \| good	0.72 \| good	8.816 \| good	0.247 \| good
2025-07-16T04:00:00.000Z	33 \| good	6.125 \| good	26.272 \| good	21.002 \| good	1.357 \| good	16.869 \| good	0.382 \| good
2025-07-16T05:00:00.000Z	33 \| good	6.291 \| good	27.179 \| good	16.28 \| good	1.339 \| good	16.877 \| good	0.43 \| good
2025-07-16T06:00:00.000Z	33 \| good	6.399 \| good	27.448 \| good	12.394 \| good	1.315 \| good	10.946 \| good	0.365 \| good
2025-07-16T07:00:00.000Z	38 \| good	6.684 \| good	29.177 \| good	14.036 \| good	1.315 \| good	11.631 \| good	0.364 \| good
2025-07-16T08:00:00.000Z	38 \| good	6.648 \| good	29.021 \| good	19.223 \| good	1.338 \| good	8.319 \| good	0.288 \| good
2025-07-16T09:00:00.000Z	38 \| good	6.723 \| good	28.946 \| good	18.971 \| good	1.337 \| good	11.127 \| good	0.244 \| good
2025-07-16T10:00:00.000Z	38 \| good	6.985 \| good	30.564 \| good	15.131 \| good	1.336 \| good	10.913 \| good	0.29 \| good
2025-07-16T11:00:00.000Z	44 \| good	7.525 \| good	32.227 \| good	16.122 \| good	1.363 \| good	10.666 \| good	0.426 \| good
2025-07-16T12:00:00.000Z	44 \| good	7.606 \| good	33.19 \| good	14.449 \| good	1.387 \| good	11.231 \| good	0.445 \| good
2025-07-16T13:00:00.000Z	44 \| good	8.017 \| good	34.161 \| good	17.025 \| good	1.577 \| good	12.179 \| good	0.415 \| good
2025-07-16T14:00:00.000Z	44 \| good	8.396 \| good	35.902 \| good	15.682 \| good	3.217 \| good	11.293 \| good	0.324 \| good
2025-07-16T15:00:00.000Z	49 \| good	8.518 \| good	36.062 \| good	22.389 \| good	5.017 \| good	8.913 \| good	0.324 \| good
2025-07-16T15:00:00.000Z	44 \| good	8.396 \| good	35.902 \| good	15.682 \| good	3.217 \| good	11.293 \| good	0.324 \| good
2025-07-16T16:00:00.000Z	56 \| moderate	12.04 \| good	54.184 \| good	41.556 \| good	0.721 \| good	0.919 \| good	0.165 \| good
2025-07-16T17:00:00.000Z	54 \| moderate	11.021 \| good	48.725 \| good	43.756 \| good	0.651 \| good	0.834 \| good	0.163 \| good
2025-07-16T18:00:00.000Z	52 \| moderate	9.869 \| good	43.868 \| good	47.548 \| good	0.581 \| good	0.749 \| good	0.162 \| good
2025-07-16T19:00:00.000Z	49 \| good	9.457 \| good	42.123 \| good	47.457 \| good	0.575 \| good	0.767 \| good	0.162 \| good
2025-07-16T20:00:00.000Z	49 \| good	9.104 \| good	40.707 \| good	47.996 \| good	0.57 \| good	0.784 \| good	0.163 \| good
2025-07-16T21:00:00.000Z	49 \| good	9.024 \| good	40.263 \| good	50.921 \| good	0.564 \| good	0.801 \| good	0.163 \| good
2025-07-16T22:00:00.000Z	49 \| good	9.335 \| good	41.702 \| good	49.951 \| good	0.601 \| good	1.323 \| good	0.17 \| good
2025-07-16T23:00:00.000Z	49 \| good	9.249 \| good	41.457 \| good	48.083 \| good	0.638 \| good	1.846 \| good	0.177 \| good
2025-07-17T00:00:00.000Z	44 \| good	8.446 \| good	36.935 \| good	39.179 \| good	0.674 \| good	2.368 \| good	0.184 \| good
2025-07-17T01:00:00.000Z	44 \| good	7.938 \| good	34.835 \| good	32.761 \| good	0.753 \| good	4.286 \| good	0.214 \| good
2025-07-17T02:00:00.000Z	44 \| good	7.923 \| good	34.621 \| good	31.01 \| good	0.831 \| good	6.204 \| good	0.244 \| good
2025-07-17T03:00:00.000Z	49 \| good	8.62 \| good	37.916 \| good	29.142 \| good	0.91 \| good	8.122 \| good	0.274 \| good
2025-07-17T04:00:00.000Z	38 \| good	6.717 \| good	29.941 \| good	27.441 \| good	0.95 \| good	7.008 \| good	0.262 \| good
2025-07-17T05:00:00.000Z	33 \| good	6.42 \| good	28.584 \| good	22.557 \| good	0.991 \| good	5.893 \| good	0.249 \| good
2025-07-17T06:00:00.000Z	33 \| good	6.123 \| good	27.185 \| good	19.949 \| good	1.032 \| good	4.778 \| good	0.237 \| good
2025-07-17T07:00:00.000Z	33 \| good	5.924 \| good	26.077 \| good	15.147 \| good	1.029 \| good	4.342 \| good	0.229 \| good
2025-07-17T08:00:00.000Z	33 \| good	6.381 \| good	28.256 \| good	13.705 \| good	1.027 \| good	3.905 \| good	0.222 \| good
2025-07-17T09:00:00.000Z	38 \| good	6.809 \| good	30.113 \| good	11.219 \| good	1.025 \| good	3.469 \| good	0.215 \| good
2025-07-17T10:00:00.000Z	38 \| good	7.04 \| good	31.054 \| good	9.921 \| good	0.953 \| good	3.159 \| good	0.211 \| good
2025-07-17T11:00:00.000Z	44 \| good	8.276 \| good	36.342 \| good	10.415 \| good	0.881 \| good	2.85 \| good	0.208 \| good
2025-07-17T12:00:00.000Z	49 \| good	9.13 \| good	40.269 \| good	10.927 \| good	0.809 \| good	2.541 \| good	0.204 \| good
2025-07-17T13:00:00.000Z	49 \| good	9.145 \| good	40.901 \| good	18.994 \| good	0.745 \| good	1.948 \| good	0.186 \| good
2025-07-17T14:00:00.000Z	49 \| good	9.17 \| good	41.007 \| good	29.746 \| good	0.68 \| good	1.355 \| good	0.168 \| good
2025-07-17T15:00:00.000Z	49 \| good	9.394 \| good	42.062 \| good	36.745 \| good	0.616 \| good	0.763 \| good	0.149 \| good
2025-07-17T16:00:00.000Z	54 \| moderate	10.52 \| good	46.68 \| good	35.366 \| good	0.582 \| good	0.704 \| good	0.144 \| good
2025-07-17T17:00:00.000Z	52 \| moderate	9.724 \| good	43.185 \| good	34.796 \| good	0.547 \| good	0.646 \| good	0.14 \| good
2025-07-17T18:00:00.000Z	44 \| good	7.904 \| good	34.734 \| good	35.687 \| good	0.513 \| good	0.588 \| good	0.135 \| good
2025-07-17T19:00:00.000Z	44 \| good	8.453 \| good	37 \| good	34.124 \| good	0.522 \| good	0.641 \| good	0.135 \| good
2025-07-17T20:00:00.000Z	38 \| good	7.259 \| good	32 \| good	32.743 \| good	0.532 \| good	0.693 \| good	0.135 \| good
2025-07-17T21:00:00.000Z	38 \| good	6.705 \| good	30 \| good	32.421 \| good	0.542 \| good	0.746 \| good	0.135 \| good
2025-07-17T22:00:00.000Z	38 \| good	6.621 \| good	29.928 \| good	31.925 \| good	0.595 \| good	1.301 \| good	0.142 \| good
2025-07-17T23:00:00.000Z	38 \| good	6.973 \| good	31 \| good	29.682 \| good	0.649 \| good	1.856 \| good	0.149 \| good
2025-07-18T00:00:00.000Z	44 \| good	7.822 \| good	34.222 \| good	23.807 \| good	0.702 \| good	2.411 \| good	0.156 \| good
2025-07-18T01:00:00.000Z	44 \| good	7.602 \| good	33.368 \| good	19.838 \| good	0.711 \| good	4.004 \| good	0.179 \| good
2025-07-18T02:00:00.000Z	44 \| good	8.094 \| good	35.362 \| good	17.469 \| good	0.72 \| good	5.597 \| good	0.202 \| good
2025-07-18T03:00:00.000Z	38 \| good	7.071 \| good	31.362 \| good	17.387 \| good	0.729 \| good	7.19 \| good	0.224 \| good
2025-07-18T04:00:00.000Z	33 \| good	6.039 \| good	27.114 \| good	18.495 \| good	0.732 \| good	6.097 \| good	0.208 \| good
2025-07-18T05:00:00.000Z	33 \| good	5.956 \| good	25.753 \| good	16.685 \| good	0.735 \| good	5.005 \| good	0.193 \| good
2025-07-18T06:00:00.000Z	33 \| good	5.763 \| good	24.883 \| good	14.674 \| good	0.737 \| good	3.912 \| good	0.177 \| good
2025-07-18T07:00:00.000Z	33 \| good	6.018 \| good	26.855 \| good	11.237 \| good	0.748 \| good	3.859 \| good	0.176 \| good
2025-07-18T08:00:00.000Z	33 \| good	6.283 \| good	28.177 \| good	9.629 \| good	0.758 \| good	3.807 \| good	0.174 \| good
2025-07-18T09:00:00.000Z	33 \| good	6.247 \| good	27.937 \| good	9.067 \| good	0.769 \| good	3.754 \| good	0.173 \| good
2025-07-18T10:00:00.000Z	33 \| good	6.47 \| good	28.93 \| good	6.712 \| good	0.744 \| good	3.494 \| good	0.176 \| good
2025-07-18T11:00:00.000Z	44 \| good	7.61 \| good	33.26 \| good	9.362 \| good	0.718 \| good	3.234 \| good	0.178 \| good
2025-07-18T12:00:00.000Z	44 \| good	8.457 \| good	37.152 \| good	9.999 \| good	0.693 \| good	2.974 \| good	0.181 \| good
2025-07-18T13:00:00.000Z	44 \| good	8.48 \| good	37.096 \| good	14.384 \| good	0.656 \| good	2.235 \| good	0.167 \| good
2025-07-18T14:00:00.000Z	49 \| good	8.88 \| good	39.179 \| good	20.946 \| good	0.619 \| good	1.496 \| good	0.153 \| good
2025-07-18T15:00:00.000Z	44 \| good	7.565 \| good	33.362 \| good	25.784 \| good	0.582 \| good	0.756 \| good	0.139 \| 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?

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

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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?