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

The current PM10 concentration at Chattanooga, Tennessee is 47.099 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Chattanooga, Tennessee is 0.97 ppb.

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

The current ozone (O3) concentration at Chattanooga, Tennessee is 17.672 ppm.

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

The current nitrogen dioxide (NO2) concentration at Chattanooga, Tennessee is 5.908 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 10.936 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)

10.94 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.10 μg/m³

155

255

425

605+

Ozone (O₃)

17.67 ppb

201

201+

Sulfur Dioxide (SO₂)

0.97 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.91 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.48 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
2026-03-09T05:00:00.000Z	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
2026-03-09T21:00:00.000Z	32 \| good	5.412 \| good	23.05 \| good	34.702 \| good	0.617 \| good	7.948 \| good	0.293 \| good
2026-03-09T22:00:00.000Z	35 \| good	6.087 \| good	26.739 \| good	37.672 \| good	0.47 \| good	6.243 \| good	0.262 \| good
2026-03-09T23:00:00.000Z	38 \| good	6.68 \| good	28.541 \| good	38.115 \| good	0.54 \| good	5.844 \| good	0.231 \| good
2026-03-10T00:00:00.000Z	38 \| good	7.18 \| good	30.685 \| good	39.822 \| good	0.572 \| good	6.652 \| good	0.245 \| good
2026-03-10T01:00:00.000Z	38 \| good	7.186 \| good	30.644 \| good	30.939 \| good	0.612 \| good	8.462 \| good	0.307 \| good
2026-03-10T02:00:00.000Z	33 \| good	6.497 \| good	28.005 \| good	26.443 \| good	0.638 \| good	11.134 \| good	0.413 \| good
2026-03-10T03:00:00.000Z	58 \| moderate	13.022 \| fine	58.283 \| fine	24.649 \| good	0.913 \| good	3.137 \| good	0.148 \| good
2026-03-10T04:00:00.000Z	25 \| good	4.323 \| good	18.396 \| good	27.375 \| good	0.474 \| good	12.556 \| good	0.5 \| good
2026-03-10T05:00:00.000Z	24 \| good	3.998 \| good	17.336 \| good	25.743 \| good	0.865 \| good	9.196 \| good	0.319 \| good
2026-03-10T06:00:00.000Z	23 \| good	3.995 \| good	17.437 \| good	25.473 \| good	0.402 \| good	7.745 \| good	0.233 \| good
2026-03-10T07:00:00.000Z	26 \| good	3.999 \| good	17.42 \| good	28.166 \| good	0.616 \| good	5.388 \| good	0.249 \| good
2026-03-10T08:00:00.000Z	27 \| good	3.999 \| good	17.419 \| good	29.475 \| good	0.539 \| good	9.099 \| good	0.247 \| good
2026-03-10T09:00:00.000Z	24 \| good	4.191 \| good	18.323 \| good	25.513 \| good	0.54 \| good	13.656 \| good	0.216 \| good
2026-03-10T10:00:00.000Z	27 \| good	5.053 \| good	21.236 \| good	23.857 \| good	0.573 \| good	12.896 \| good	0.247 \| good
2026-03-10T11:00:00.000Z	27 \| good	4.988 \| good	21.349 \| good	23.948 \| good	0.528 \| good	15.226 \| good	0.34 \| good
2026-03-10T12:00:00.000Z	27 \| good	5.077 \| good	21.343 \| good	17.807 \| good	0.774 \| good	18.218 \| good	0.415 \| good
2026-03-10T13:00:00.000Z	27 \| good	5.055 \| good	21.376 \| good	15.689 \| good	0.374 \| good	15.724 \| good	0.4 \| good
2026-03-10T14:00:00.000Z	27 \| good	5.302 \| good	22.489 \| good	16.236 \| good	1.316 \| good	15.203 \| good	0.36 \| good
2026-03-10T15:00:00.000Z	27 \| good	5.391 \| good	22.404 \| good	16.145 \| good	1.013 \| good	9.008 \| good	0.322 \| good
2026-03-10T16:00:00.000Z	33 \| good	5.844 \| good	26.029 \| good	16.132 \| good	0.87 \| good	9.602 \| good	0.278 \| good
2026-03-10T17:00:00.000Z	38 \| good	6.569 \| good	29.187 \| good	17.998 \| good	0.42 \| good	8.649 \| good	0.247 \| good
2026-03-10T18:00:00.000Z	44 \| good	7.605 \| good	33.068 \| good	20.87 \| good	0.584 \| good	5.574 \| good	0.249 \| good
2026-03-10T19:00:00.000Z	44 \| good	7.963 \| good	34.697 \| good	19.326 \| good	0.686 \| good	6.761 \| good	0.281 \| good
2026-03-10T20:00:00.000Z	44 \| good	8.065 \| good	34.757 \| good	20.801 \| good	1.657 \| good	8.501 \| good	0.262 \| good
2026-03-10T21:00:00.000Z	44 \| good	8.069 \| good	34.606 \| good	21.989 \| good	1.637 \| good	7.692 \| good	0.293 \| good
2026-03-10T22:00:00.000Z	44 \| good	8.162 \| good	35.409 \| good	21.146 \| good	0.591 \| good	6.476 \| good	0.231 \| good
2026-03-10T23:00:00.000Z	49 \| good	8.559 \| good	36.41 \| good	23.585 \| good	1.032 \| good	5.542 \| good	0.234 \| good
2026-03-11T00:00:00.000Z	49 \| good	8.935 \| good	39.019 \| good	22.945 \| good	1.049 \| good	5.483 \| good	0.22 \| good
2026-03-11T01:00:00.000Z	52 \| moderate	9.818 \| good	42.857 \| good	21.605 \| good	0.802 \| good	5.018 \| good	0.22 \| good
2026-03-11T02:00:00.000Z	52 \| moderate	9.834 \| good	42.917 \| good	20.487 \| good	0.766 \| good	4.977 \| good	0.371 \| good
2026-03-11T03:00:00.000Z	52 \| moderate	9.876 \| good	43.37 \| good	20.827 \| good	0.771 \| good	5.505 \| good	0.402 \| good
2026-03-11T04:00:00.000Z	54 \| moderate	10.936 \| good	47.099 \| good	17.672 \| good	0.97 \| good	5.908 \| good	0.477 \| good
2026-03-11T04:00:00.000Z	54 \| moderate	10.936 \| good	47.099 \| good	17.672 \| good	0.97 \| good	5.908 \| good	0.477 \| good
2026-03-11T05:00:00.000Z	60 \| moderate	13.995 \| fine	62.815 \| fine	27.838 \| good	0.647 \| good	2.491 \| good	0.119 \| good
2026-03-11T06:00:00.000Z	58 \| moderate	13.074 \| fine	58.882 \| fine	26.174 \| good	0.648 \| good	2.369 \| good	0.116 \| good
2026-03-11T07:00:00.000Z	52 \| moderate	10.159 \| good	45.042 \| good	18.667 \| good	0.67 \| good	2.255 \| good	0.114 \| good
2026-03-11T08:00:00.000Z	54 \| moderate	10.526 \| good	46.568 \| good	22.237 \| good	0.693 \| good	2.141 \| good	0.111 \| good
2026-03-11T09:00:00.000Z	54 \| moderate	11.13 \| good	49.158 \| good	19.835 \| good	0.716 \| good	2.028 \| good	0.109 \| good
2026-03-11T10:00:00.000Z	62 \| moderate	15.009 \| fine	67.441 \| fine	15.684 \| good	0.782 \| good	2.224 \| good	0.11 \| good
2026-03-11T11:00:00.000Z	60 \| moderate	14.308 \| fine	64.026 \| fine	14.6 \| good	0.848 \| good	2.42 \| good	0.111 \| good
2026-03-11T12:00:00.000Z	69 \| moderate	18.968 \| fine	83.752 \| fine	14.518 \| good	0.915 \| good	2.616 \| good	0.112 \| good
2026-03-11T13:00:00.000Z	66 \| moderate	17.086 \| fine	75.752 \| fine	13.005 \| good	0.74 \| good	2.225 \| good	0.109 \| good
2026-03-11T14:00:00.000Z	69 \| moderate	19.42 \| fine	85.657 \| fine	14.502 \| good	0.565 \| good	1.835 \| good	0.105 \| good
2026-03-11T15:00:00.000Z	60 \| moderate	13.504 \| fine	61.108 \| fine	15.048 \| good	0.39 \| good	1.444 \| good	0.101 \| good
2026-03-11T16:00:00.000Z	56 \| moderate	12.3 \| fine	54.977 \| good	14.983 \| good	0.348 \| good	1.286 \| good	0.099 \| good
2026-03-11T17:00:00.000Z	52 \| moderate	9.937 \| good	44.28 \| good	22.394 \| good	0.305 \| good	1.128 \| good	0.096 \| good
2026-03-11T18:00:00.000Z	52 \| moderate	10.121 \| good	44.815 \| good	30.143 \| good	0.263 \| good	0.97 \| good	0.094 \| good
2026-03-11T19:00:00.000Z	54 \| moderate	10.872 \| good	48 \| good	34.677 \| good	0.31 \| good	0.926 \| good	0.094 \| good
2026-03-11T20:00:00.000Z	56 \| moderate	11.9 \| good	52.792 \| good	37.326 \| good	0.357 \| good	0.881 \| good	0.094 \| good
2026-03-11T21:00:00.000Z	56 \| moderate	12.338 \| fine	55.64 \| fine	39.171 \| good	0.404 \| good	0.836 \| good	0.094 \| good
2026-03-11T22:00:00.000Z	62 \| moderate	14.898 \| fine	66.285 \| fine	38.888 \| good	0.454 \| good	1.289 \| good	0.098 \| good
2026-03-11T23:00:00.000Z	49 \| good	8.653 \| good	38.056 \| good	32.214 \| good	0.505 \| good	1.742 \| good	0.102 \| good
2026-03-12T00:00:00.000Z	54 \| moderate	10.595 \| good	46.89 \| good	39.243 \| good	0.555 \| good	2.195 \| good	0.106 \| good
2026-03-12T01:00:00.000Z	44 \| good	8.3 \| good	36.202 \| good	33.274 \| good	0.548 \| good	2.196 \| good	0.106 \| good
2026-03-12T02:00:00.000Z	52 \| moderate	10.131 \| good	45.084 \| good	29.495 \| good	0.54 \| good	2.197 \| good	0.106 \| good
2026-03-12T03:00:00.000Z	49 \| good	9.282 \| good	41.414 \| good	25.212 \| good	0.533 \| good	2.198 \| good	0.106 \| good
2026-03-12T04:00:00.000Z	38 \| good	6.723 \| good	29.753 \| good	29.755 \| good	0.472 \| good	1.98 \| good	0.104 \| good
2026-03-12T05:00:00.000Z	49 \| good	9.088 \| good	40.133 \| good	32.819 \| good	0.411 \| good	1.763 \| good	0.102 \| good
2026-03-12T06:00:00.000Z	28 \| good	2.943 \| good	3.068 \| good	29.879 \| good	0.351 \| good	1.545 \| good	0.1 \| good
2026-03-12T07:00:00.000Z	33 \| good	6.091 \| good	26.535 \| good	31.349 \| good	0.708 \| good	1.557 \| good	0.12 \| good
2026-03-12T08:00:00.000Z	44 \| good	7.673 \| good	33.746 \| good	34.257 \| good	1.066 \| good	1.569 \| good	0.139 \| good
2026-03-12T09:00:00.000Z	29 \| good	5.413 \| good	23 \| good	31.401 \| good	1.423 \| good	1.581 \| good	0.159 \| good
2026-03-12T10:00:00.000Z	52 \| moderate	10.123 \| good	44.937 \| good	27.575 \| good	1.545 \| good	1.578 \| good	0.164 \| good
2026-03-12T11:00:00.000Z	52 \| moderate	10.375 \| good	45.976 \| good	24.403 \| good	1.666 \| good	1.575 \| good	0.169 \| good
2026-03-12T12:00:00.000Z	27 \| good	5.257 \| good	5.315 \| good	27.453 \| good	1.788 \| good	1.57 \| good	0.174 \| good
2026-03-12T13:00:00.000Z	27 \| good	5.17 \| good	5.213 \| good	28.186 \| good	1.387 \| good	1.459 \| good	0.173 \| good
2026-03-12T14:00:00.000Z	27 \| good	4.844 \| good	4.872 \| good	28.919 \| good	0.985 \| good	1.347 \| good	0.173 \| good
2026-03-12T15:00:00.000Z	28 \| good	4.165 \| good	4.18 \| good	29.652 \| good	0.584 \| good	1.236 \| good	0.172 \| good
2026-03-12T16:00:00.000Z	33 \| good	6.003 \| good	26.764 \| good	34.375 \| good	0.491 \| good	1.017 \| good	0.165 \| good
2026-03-12T17:00:00.000Z	37 \| good	4.11 \| good	18.099 \| good	40.21 \| good	0.38 \| good	0.787 \| good	0.159 \| good
2026-03-12T18:00:00.000Z	39 \| good	1.983 \| good	2.124 \| good	41.833 \| good	0.264 \| good	0.555 \| good	0.152 \| good
2026-03-12T19:00:00.000Z	43 \| good	1.805 \| good	2.084 \| good	45.926 \| good	0.284 \| good	0.509 \| good	0.144 \| good
2026-03-12T20:00:00.000Z	46 \| good	1.764 \| good	2.132 \| good	50.019 \| good	0.304 \| good	0.463 \| good	0.137 \| good
2026-03-12T21:00:00.000Z	50 \| good	1.775 \| good	2.198 \| good	54.111 \| good	0.325 \| good	0.417 \| good	0.129 \| good
2026-03-12T22:00:00.000Z	49 \| good	1.845 \| good	2.301 \| good	52.555 \| good	0.344 \| good	0.846 \| good	0.132 \| good
2026-03-12T23:00:00.000Z	47 \| good	1.939 \| good	2.36 \| good	50.998 \| good	0.364 \| good	1.274 \| good	0.135 \| good
2026-03-13T00:00:00.000Z	45 \| good	2.28 \| good	2.573 \| good	49.441 \| good	0.383 \| good	1.703 \| good	0.138 \| good
2026-03-13T01:00:00.000Z	44 \| good	2.742 \| good	2.995 \| good	46.57 \| good	0.414 \| good	2.036 \| good	0.142 \| good
2026-03-13T02:00:00.000Z	41 \| good	3.081 \| good	3.325 \| good	43.699 \| good	0.445 \| good	2.368 \| good	0.147 \| good
2026-03-13T03:00:00.000Z	38 \| good	3.409 \| good	3.663 \| good	40.827 \| good	0.476 \| good	2.701 \| good	0.151 \| good
2026-03-13T04:00:00.000Z	36 \| good	3.823 \| good	4.102 \| good	39.234 \| good	0.493 \| good	2.803 \| good	0.153 \| good

Chattanooga

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Chattanooga, Tennessee air quality map: Track AQI near you

0.39ppm

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 2026-03-11.

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 2026-03-10.

What is the current air quality in Chattanooga, Tennessee?

The current air quality in Chattanooga, Tennessee is 54, 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 10.936 μg/m³.

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

The current PM₁₀ concentration at Chattanooga, Tennessee is 47.099 μg/m³.

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

The current carbon monoxide (CO) concentration at Chattanooga, Tennessee is 0.477 ppm.

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

The current sulfur dioxide (SO₂) concentration at Chattanooga, Tennessee is 0.97 ppb.

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

The current ozone (O₃) concentration at Chattanooga, Tennessee is 17.672 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Chattanooga, Tennessee is 5.908 ppb.

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