What is the PM10 level in Knoxville, Tennessee at the moment?

The PM10 concentration in Knoxville, Tennessee is 18.631 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Knoxville, Tennessee at the moment?

Currently, Knoxville, Tennessee has a sulfur dioxide (SO2) concentration of 1.614 ppb.

What is the ozone (O3) level in Knoxville, Tennessee at the moment?

The current ozone (O3) level in Knoxville, Tennessee at the moment is 7.444 ppm.

What is the nitrogen dioxide (NO2) level in Knoxville, Tennessee at the moment?

Nitrogen dioxide (NO2) level in Knoxville, Tennessee at the moment is 9.457 ppb.

Real-time air quality index in Knoxville, Tennessee today

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

Stay updated with real-time air quality in Knoxville, 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

Knoxville, Tennessee

Last updated: ... (Local time)

Major air pollutants in Knoxville, Tennessee

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.24 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.63 μg/m³

155

255

425

605+

Ozone (O₃)

7.44 ppb

201

201+

Sulfur Dioxide (SO₂)

1.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.46 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.52 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Knoxville, Tennessee

Get Live Pollen Counts

Knoxville, Tennessee

Scroll To Air Quality Map

Track live Knoxville, Tennessee air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-05-30T11:00:00.000Z	22 \| good	4.264 \| good	18.743 \| good	19.596 \| good	1.439 \| good	5.469 \| good	0.323 \| good
2025-05-30T12:00:00.000Z	22 \| good	4.261 \| good	18.739 \| good	23.517 \| good	1.439 \| good	6.481 \| good	0.299 \| good
2025-05-30T13:00:00.000Z	25 \| good	4.226 \| good	18.468 \| good	26.733 \| good	1.393 \| good	8.377 \| good	0.299 \| good
2025-05-30T14:00:00.000Z	22 \| good	3.943 \| good	17.311 \| good	24.282 \| good	1.405 \| good	7.937 \| good	0.299 \| good
2025-05-30T15:00:00.000Z	19 \| good	3.433 \| good	15.152 \| good	20.603 \| good	1.433 \| good	5.455 \| good	0.257 \| good
2025-05-30T16:00:00.000Z	25 \| good	3.341 \| good	14.992 \| good	26.606 \| good	1.537 \| good	6.289 \| good	0.281 \| good
2025-05-30T17:00:00.000Z	28 \| good	3.166 \| good	14.292 \| good	30.07 \| good	3.155 \| good	6.153 \| good	0.299 \| good
2025-05-30T18:00:00.000Z	31 \| good	2.463 \| good	10.603 \| good	33.412 \| good	2.024 \| good	5.871 \| good	0.299 \| good
2025-05-30T19:00:00.000Z	34 \| good	1.879 \| good	7.758 \| good	36.849 \| good	1.431 \| good	4.524 \| good	0.276 \| good
2025-05-30T20:00:00.000Z	36 \| good	1.93 \| good	8.335 \| good	39.418 \| good	1.442 \| good	5.502 \| good	0.276 \| good
2025-05-30T21:00:00.000Z	37 \| good	1.649 \| good	7.098 \| good	39.832 \| good	1.457 \| good	5.034 \| good	0.252 \| good
2025-05-30T22:00:00.000Z	37 \| good	1.535 \| good	6.204 \| good	40.095 \| good	1.439 \| good	4.529 \| good	0.257 \| good
2025-05-30T23:00:00.000Z	38 \| good	1.689 \| good	6.706 \| good	40.522 \| good	1.421 \| good	4.777 \| good	0.257 \| good
2025-05-31T00:00:00.000Z	36 \| good	2.251 \| good	9.977 \| good	39.394 \| good	1.432 \| good	5.925 \| good	0.299 \| good
2025-05-31T01:00:00.000Z	33 \| good	2.354 \| good	9.882 \| good	35.553 \| good	2.069 \| good	6.413 \| good	0.276 \| good
2025-05-31T02:00:00.000Z	27 \| good	2.594 \| good	10.976 \| good	28.854 \| good	3.491 \| good	8.521 \| good	0.277 \| good
2025-05-31T03:00:00.000Z	24 \| good	2.8 \| good	11.809 \| good	25.767 \| good	2.921 \| good	10.029 \| good	0.277 \| good
2025-05-31T04:00:00.000Z	26 \| good	3.063 \| good	12.695 \| good	28.088 \| good	1.896 \| good	10.067 \| good	0.294 \| good
2025-05-31T05:00:00.000Z	23 \| good	3.183 \| good	14.359 \| good	25.251 \| good	2.777 \| good	11.482 \| good	0.234 \| good
2025-05-31T06:00:00.000Z	23 \| good	3.273 \| good	14.355 \| good	21.705 \| good	15.993 \| good	11.979 \| good	0.341 \| good
2025-05-31T07:00:00.000Z	24 \| good	3.375 \| good	15.376 \| good	25.732 \| good	13.372 \| good	11.564 \| good	0.259 \| good
2025-05-31T08:00:00.000Z	23 \| good	3.39 \| good	15.375 \| good	25.263 \| good	3.829 \| good	10.613 \| good	0.303 \| good
2025-05-31T09:00:00.000Z	22 \| good	3.516 \| good	15.428 \| good	22.54 \| good	4.804 \| good	10.368 \| good	0.276 \| good
2025-05-31T10:00:00.000Z	21 \| good	3.462 \| good	15.503 \| good	23.328 \| good	9.811 \| good	12.327 \| good	0.275 \| good
2025-05-31T11:00:00.000Z	22 \| good	3.591 \| good	16.114 \| good	19.861 \| good	5.518 \| good	10.169 \| good	0.298 \| good
2025-05-31T12:00:00.000Z	22 \| good	3.69 \| good	16.417 \| good	24.458 \| good	5.047 \| good	9.699 \| good	0.322 \| good
2025-05-31T13:00:00.000Z	22 \| good	3.906 \| good	17.346 \| good	19.851 \| good	7.916 \| good	9.255 \| good	0.34 \| good
2025-05-31T14:00:00.000Z	22 \| good	4.311 \| good	19.386 \| good	20.258 \| good	3.648 \| good	8.306 \| good	0.359 \| good
2025-05-31T15:00:00.000Z	33 \| good	5.683 \| good	24.454 \| good	33.841 \| good	3.89 \| good	6.759 \| good	0.336 \| good
2025-05-31T16:00:00.000Z	44 \| good	7.985 \| good	35.331 \| good	30.623 \| good	5.936 \| good	5.348 \| good	0.276 \| good
2025-05-31T17:00:00.000Z	49 \| good	8.597 \| good	38.279 \| good	38.119 \| good	2.514 \| good	5.052 \| good	0.252 \| good
2025-05-31T18:00:00.000Z	54 \| moderate	10.523 \| good	46.68 \| good	39.644 \| good	2.494 \| good	4.529 \| good	0.294 \| good
2025-05-31T19:00:00.000Z	54 \| moderate	11.001 \| good	48.954 \| good	39.71 \| good	2.294 \| good	4.438 \| good	0.294 \| good
2025-05-31T20:00:00.000Z	56 \| moderate	11.603 \| good	51.479 \| good	45.534 \| good	2.202 \| good	4.017 \| good	0.276 \| good
2025-05-31T21:00:00.000Z	54 \| moderate	11.33 \| good	50.659 \| good	47.573 \| good	1.585 \| good	4.701 \| good	0.276 \| good
2025-05-31T22:00:00.000Z	54 \| moderate	11.107 \| good	49.113 \| good	45.833 \| good	2.052 \| good	4.924 \| good	0.276 \| good
2025-05-31T23:00:00.000Z	54 \| moderate	10.901 \| good	48.954 \| good	47.343 \| good	2.283 \| good	5.268 \| good	0.276 \| good
2025-06-01T00:00:00.000Z	52 \| moderate	10.379 \| good	46.117 \| good	44.704 \| good	1.354 \| good	5.261 \| good	0.435 \| good
2025-06-01T01:00:00.000Z	52 \| moderate	9.754 \| good	43.414 \| good	44.498 \| good	1.354 \| good	9.124 \| good	0.309 \| good
2025-06-01T02:00:00.000Z	52 \| moderate	9.679 \| good	43.114 \| good	43.035 \| good	1.339 \| good	9.151 \| good	0.369 \| good
2025-06-01T03:00:00.000Z	60 \| moderate	14.146 \| fine	63.224 \| fine	13.45 \| good	0.747 \| good	4.14 \| good	0.247 \| good
2025-06-01T04:00:00.000Z	49 \| good	9.118 \| good	41.055 \| good	38.86 \| good	1.354 \| good	9.593 \| good	0.405 \| good
2025-06-01T05:00:00.000Z	49 \| good	9.106 \| good	40.981 \| good	35.576 \| good	1.339 \| good	9.194 \| good	0.429 \| good
2025-06-01T06:00:00.000Z	49 \| good	9.101 \| good	40.966 \| good	34.036 \| good	1.414 \| good	10.747 \| good	0.385 \| good
2025-06-01T07:00:00.000Z	49 \| good	9.495 \| good	42.363 \| good	29.482 \| good	1.514 \| good	6.801 \| good	0.356 \| good
2025-06-01T08:00:00.000Z	49 \| good	9.493 \| good	42.236 \| good	25.834 \| good	1.466 \| good	5.018 \| good	0.32 \| good
2025-06-01T09:00:00.000Z	52 \| moderate	9.865 \| good	43.997 \| good	26.764 \| good	1.48 \| good	6.611 \| good	0.339 \| good
2025-06-01T10:00:00.000Z	52 \| moderate	10.193 \| good	45.506 \| good	24.138 \| good	1.438 \| good	7.067 \| good	0.331 \| good
2025-05-29T08:00:00.000Z	22 \| good	4.239 \| good	18.631 \| good	7.444 \| good	1.614 \| good	9.457 \| good	0.522 \| good
2025-05-29T09:00:00.000Z	44 \| good	7.698 \| good	34 \| good	6.043 \| good	0.33 \| good	3.897 \| good	0.214 \| good
2025-05-29T10:00:00.000Z	27 \| good	5.13 \| good	22 \| good	9.005 \| good	0.265 \| good	3.148 \| good	0.22 \| good
2025-05-29T11:00:00.000Z	33 \| good	6.408 \| good	29 \| good	6.285 \| good	0.312 \| good	3.16 \| good	0.218 \| good
2025-05-29T12:00:00.000Z	44 \| good	7.69 \| good	34 \| good	9.56 \| good	0.359 \| good	3.172 \| good	0.216 \| good
2025-05-29T13:00:00.000Z	44 \| good	8.102 \| good	35.605 \| good	18.663 \| good	0.438 \| good	1.206 \| good	0.19 \| good
2025-05-29T14:00:00.000Z	33 \| good	6.442 \| good	28.957 \| good	28.681 \| good	0.472 \| good	1.24 \| good	0.191 \| good
2025-05-29T15:00:00.000Z	36 \| good	6.12 \| good	27.172 \| good	38.61 \| good	0.507 \| good	1.275 \| good	0.192 \| good
2025-05-29T16:00:00.000Z	42 \| good	3.831 \| good	16.493 \| good	44.74 \| good	0.529 \| good	0.597 \| good	0.178 \| good
2025-05-29T17:00:00.000Z	44 \| good	3.536 \| good	15.502 \| good	48.212 \| good	0.578 \| good	0.627 \| good	0.179 \| good
2025-05-29T18:00:00.000Z	39 \| good	3.664 \| good	16.343 \| good	41.85 \| good	0.627 \| good	0.656 \| good	0.18 \| good
2025-05-29T19:00:00.000Z	37 \| good	4.847 \| good	20.966 \| good	40.349 \| good	0.333 \| good	0.826 \| good	0.172 \| good
2025-05-29T20:00:00.000Z	36 \| good	6.197 \| good	27.422 \| good	38.852 \| good	0.377 \| good	0.872 \| good	0.174 \| good
2025-05-29T21:00:00.000Z	38 \| good	7.332 \| good	32 \| good	36.368 \| good	0.42 \| good	0.917 \| good	0.175 \| good
2025-05-29T22:00:00.000Z	27 \| good	5.338 \| good	22.939 \| good	28.964 \| good	0.256 \| good	2.759 \| good	0.192 \| good
2025-05-29T23:00:00.000Z	29 \| good	4.53 \| good	19.636 \| good	30.782 \| good	0.279 \| good	2.83 \| good	0.194 \| good
2025-05-30T00:00:00.000Z	34 \| good	5.835 \| good	25.04 \| good	37.227 \| good	0.302 \| good	2.901 \| good	0.196 \| good
2025-05-30T01:00:00.000Z	33 \| good	5.772 \| good	25.371 \| good	30.287 \| good	0.397 \| good	4.06 \| good	0.209 \| good
2025-05-30T02:00:00.000Z	26 \| good	4.306 \| good	18.588 \| good	28.314 \| good	0.421 \| good	4.046 \| good	0.209 \| good
2025-05-30T03:00:00.000Z	26 \| good	3.459 \| good	15.175 \| good	27.571 \| good	0.445 \| good	4.031 \| good	0.209 \| good
2025-05-30T04:00:00.000Z	25 \| good	3.129 \| good	14 \| good	26.812 \| good	0.373 \| good	5.52 \| good	0.234 \| good
2025-05-30T05:00:00.000Z	26 \| good	3.322 \| good	14.361 \| good	27.999 \| good	0.428 \| good	5.625 \| good	0.235 \| good
2025-05-30T06:00:00.000Z	27 \| good	3.428 \| good	15.337 \| good	28.649 \| good	0.483 \| good	5.729 \| good	0.236 \| good
2025-05-30T07:00:00.000Z	23 \| good	3.493 \| good	15.247 \| good	25.241 \| good	0.067 \| good	3.507 \| good	0.223 \| good
2025-05-30T08:00:00.000Z	22 \| good	4.395 \| good	18.917 \| good	20.296 \| good	0.098 \| good	3.48 \| good	0.222 \| good
2025-05-30T09:00:00.000Z	27 \| good	4.552 \| good	20.148 \| good	20.409 \| good	0.129 \| good	3.452 \| good	0.221 \| good
2025-05-30T10:00:00.000Z	18 \| good	1.343 \| good	5.222 \| good	18.568 \| good	0.135 \| good	1.665 \| good	0.196 \| good
2025-05-30T11:00:00.000Z	19 \| good	3.214 \| good	14 \| good	20.587 \| good	0.145 \| good	1.663 \| good	0.195 \| good
2025-05-30T12:00:00.000Z	24 \| good	3.494 \| good	15.823 \| good	26.397 \| good	0.154 \| good	1.661 \| good	0.194 \| good
2025-05-30T13:00:00.000Z	31 \| good	4.291 \| good	18.555 \| good	34.37 \| good	0.194 \| good	1.237 \| good	0.186 \| good
2025-05-30T14:00:00.000Z	29 \| good	4.305 \| good	18.967 \| good	30.77 \| good	0.218 \| good	1.284 \| good	0.187 \| good
2025-05-30T15:00:00.000Z	32 \| good	3.636 \| good	16.031 \| good	35.43 \| good	0.242 \| good	1.331 \| good	0.188 \| good
2025-05-30T16:00:00.000Z	40 \| good	3.618 \| good	16.074 \| good	43.297 \| good	0.186 \| good	0.868 \| good	0.173 \| good
2025-05-30T17:00:00.000Z	44 \| good	4.262 \| good	18.694 \| good	47.283 \| good	0.21 \| good	0.902 \| good	0.174 \| good
2025-05-30T18:00:00.000Z	44 \| good	4.249 \| good	18.707 \| good	48.175 \| good	0.234 \| good	0.936 \| good	0.176 \| good
2025-05-30T19:00:00.000Z	41 \| good	2.969 \| good	12.676 \| good	44.352 \| good	1.493 \| good	1.099 \| good	0.155 \| good
2025-05-30T20:00:00.000Z	40 \| good	3.013 \| good	12.738 \| good	43.49 \| good	1.486 \| good	1.202 \| good	0.157 \| good
2025-05-30T21:00:00.000Z	39 \| good	2.525 \| good	10.071 \| good	41.712 \| good	1.478 \| good	1.304 \| good	0.159 \| good
2025-05-30T22:00:00.000Z	36 \| good	3.81 \| good	16.634 \| good	39.354 \| good	0.909 \| good	1.569 \| good	0.152 \| good
2025-05-30T23:00:00.000Z	39 \| good	2.407 \| good	10 \| good	42.068 \| good	0.986 \| good	1.738 \| good	0.153 \| good
2025-05-31T00:00:00.000Z	32 \| good	4.334 \| good	18.907 \| good	34.664 \| good	1.064 \| good	1.907 \| good	0.153 \| good
2025-05-31T01:00:00.000Z	25 \| good	3.071 \| good	12.58 \| good	26.762 \| good	0.923 \| good	2.109 \| good	0.164 \| good
2025-05-31T02:00:00.000Z	22 \| good	2.947 \| good	12.379 \| good	23.596 \| good	0.902 \| good	2.339 \| good	0.167 \| good
2025-05-31T03:00:00.000Z	22 \| good	2.647 \| good	10.713 \| good	23.927 \| good	0.881 \| good	2.569 \| good	0.169 \| good
2025-05-31T04:00:00.000Z	22 \| good	2.737 \| good	10.925 \| good	23.661 \| good	1.272 \| good	2.034 \| good	0.162 \| good
2025-05-31T05:00:00.000Z	20 \| good	1.95 \| good	7.758 \| good	21.774 \| good	1.206 \| good	2.156 \| good	0.164 \| good
2025-05-31T06:00:00.000Z	49 \| good	9.417 \| good	9.531 \| good	36.667 \| good	1.143 \| good	2.298 \| good	0.166 \| good
2025-05-31T07:00:00.000Z	19 \| good	2.577 \| good	10.663 \| good	20.692 \| good	1.073 \| good	1.734 \| good	0.151 \| good
2025-05-31T08:00:00.000Z	17 \| good	2.255 \| good	8.77 \| good	18.42 \| good	1.185 \| good	1.771 \| good	0.153 \| good

Knoxville

Get reliable air quality data to drive your business

Knoxville, Tennessee air quality map: Stay updated on AQI near you

0.48ppm

How accurate is Tennessee, USA air quality data?

Air quality and pollutant data for Tennessee, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is air quality information updated for Knoxville, Tennessee?

The air quality information for Knoxville, Tennessee is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Knoxville, Tennessee at its worst?

In the past 24 hours, the air quality in Knoxville, Tennessee was at its worst at 11:00:00 on 2025-05-28.

When did Knoxville, Tennessee experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Knoxville, Tennessee was observed at 02:00:00 on 2025-05-28.

What is the AQI in Knoxville, Tennessee right now?

As of now, the AQI in Knoxville, Tennessee is 22, indicating Good conditions.

What is the most common type of pollution in Knoxville, Tennessee?

Knoxville, Tennessee air has the highest levels of PM2.5.

What should I do in case of poor air quality in Knoxville, Tennessee?

Poor air quality in Knoxville, Tennessee means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Knoxville, Tennessee at the moment?

PM_2.5 levels in Knoxville, Tennessee are currently 4.239 μg/m³.

What is the PM₁₀ level in Knoxville, Tennessee at the moment?

The PM₁₀ concentration in Knoxville, Tennessee is 18.631 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Knoxville, Tennessee at the moment?

The current carbon monoxide (CO) concentration in Knoxville, Tennessee is 0.522 ppm.

What is the sulfur dioxide (SO₂) level in Knoxville, Tennessee at the moment?

Currently, Knoxville, Tennessee has a sulfur dioxide (SO₂) concentration of 1.614 ppb.

What is the ozone (O₃) level in Knoxville, Tennessee at the moment?

The current ozone (O₃) level in Knoxville, Tennessee at the moment is 7.444 ppm.

What is the nitrogen dioxide (NO₂) level in Knoxville, Tennessee at the moment?

Nitrogen dioxide (NO₂) level in Knoxville, Tennessee at the moment is 9.457 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-05-30T11:00:00.000Z	22 \| good	4.264 \| good	18.743 \| good	19.596 \| good	1.439 \| good	5.469 \| good	0.323 \| good
2025-05-30T12:00:00.000Z	22 \| good	4.261 \| good	18.739 \| good	23.517 \| good	1.439 \| good	6.481 \| good	0.299 \| good
2025-05-30T13:00:00.000Z	25 \| good	4.226 \| good	18.468 \| good	26.733 \| good	1.393 \| good	8.377 \| good	0.299 \| good
2025-05-30T14:00:00.000Z	22 \| good	3.943 \| good	17.311 \| good	24.282 \| good	1.405 \| good	7.937 \| good	0.299 \| good
2025-05-30T15:00:00.000Z	19 \| good	3.433 \| good	15.152 \| good	20.603 \| good	1.433 \| good	5.455 \| good	0.257 \| good
2025-05-30T16:00:00.000Z	25 \| good	3.341 \| good	14.992 \| good	26.606 \| good	1.537 \| good	6.289 \| good	0.281 \| good
2025-05-30T17:00:00.000Z	28 \| good	3.166 \| good	14.292 \| good	30.07 \| good	3.155 \| good	6.153 \| good	0.299 \| good
2025-05-30T18:00:00.000Z	31 \| good	2.463 \| good	10.603 \| good	33.412 \| good	2.024 \| good	5.871 \| good	0.299 \| good
2025-05-30T19:00:00.000Z	34 \| good	1.879 \| good	7.758 \| good	36.849 \| good	1.431 \| good	4.524 \| good	0.276 \| good
2025-05-30T20:00:00.000Z	36 \| good	1.93 \| good	8.335 \| good	39.418 \| good	1.442 \| good	5.502 \| good	0.276 \| good
2025-05-30T21:00:00.000Z	37 \| good	1.649 \| good	7.098 \| good	39.832 \| good	1.457 \| good	5.034 \| good	0.252 \| good
2025-05-30T22:00:00.000Z	37 \| good	1.535 \| good	6.204 \| good	40.095 \| good	1.439 \| good	4.529 \| good	0.257 \| good
2025-05-30T23:00:00.000Z	38 \| good	1.689 \| good	6.706 \| good	40.522 \| good	1.421 \| good	4.777 \| good	0.257 \| good
2025-05-31T00:00:00.000Z	36 \| good	2.251 \| good	9.977 \| good	39.394 \| good	1.432 \| good	5.925 \| good	0.299 \| good
2025-05-31T01:00:00.000Z	33 \| good	2.354 \| good	9.882 \| good	35.553 \| good	2.069 \| good	6.413 \| good	0.276 \| good
2025-05-31T02:00:00.000Z	27 \| good	2.594 \| good	10.976 \| good	28.854 \| good	3.491 \| good	8.521 \| good	0.277 \| good
2025-05-31T03:00:00.000Z	24 \| good	2.8 \| good	11.809 \| good	25.767 \| good	2.921 \| good	10.029 \| good	0.277 \| good
2025-05-31T04:00:00.000Z	26 \| good	3.063 \| good	12.695 \| good	28.088 \| good	1.896 \| good	10.067 \| good	0.294 \| good
2025-05-31T05:00:00.000Z	23 \| good	3.183 \| good	14.359 \| good	25.251 \| good	2.777 \| good	11.482 \| good	0.234 \| good
2025-05-31T06:00:00.000Z	23 \| good	3.273 \| good	14.355 \| good	21.705 \| good	15.993 \| good	11.979 \| good	0.341 \| good
2025-05-31T07:00:00.000Z	24 \| good	3.375 \| good	15.376 \| good	25.732 \| good	13.372 \| good	11.564 \| good	0.259 \| good
2025-05-31T08:00:00.000Z	23 \| good	3.39 \| good	15.375 \| good	25.263 \| good	3.829 \| good	10.613 \| good	0.303 \| good
2025-05-31T09:00:00.000Z	22 \| good	3.516 \| good	15.428 \| good	22.54 \| good	4.804 \| good	10.368 \| good	0.276 \| good
2025-05-31T10:00:00.000Z	21 \| good	3.462 \| good	15.503 \| good	23.328 \| good	9.811 \| good	12.327 \| good	0.275 \| good
2025-05-31T11:00:00.000Z	22 \| good	3.591 \| good	16.114 \| good	19.861 \| good	5.518 \| good	10.169 \| good	0.298 \| good
2025-05-31T12:00:00.000Z	22 \| good	3.69 \| good	16.417 \| good	24.458 \| good	5.047 \| good	9.699 \| good	0.322 \| good
2025-05-31T13:00:00.000Z	22 \| good	3.906 \| good	17.346 \| good	19.851 \| good	7.916 \| good	9.255 \| good	0.34 \| good
2025-05-31T14:00:00.000Z	22 \| good	4.311 \| good	19.386 \| good	20.258 \| good	3.648 \| good	8.306 \| good	0.359 \| good
2025-05-31T15:00:00.000Z	33 \| good	5.683 \| good	24.454 \| good	33.841 \| good	3.89 \| good	6.759 \| good	0.336 \| good
2025-05-31T16:00:00.000Z	44 \| good	7.985 \| good	35.331 \| good	30.623 \| good	5.936 \| good	5.348 \| good	0.276 \| good
2025-05-31T17:00:00.000Z	49 \| good	8.597 \| good	38.279 \| good	38.119 \| good	2.514 \| good	5.052 \| good	0.252 \| good
2025-05-31T18:00:00.000Z	54 \| moderate	10.523 \| good	46.68 \| good	39.644 \| good	2.494 \| good	4.529 \| good	0.294 \| good
2025-05-31T19:00:00.000Z	54 \| moderate	11.001 \| good	48.954 \| good	39.71 \| good	2.294 \| good	4.438 \| good	0.294 \| good
2025-05-31T20:00:00.000Z	56 \| moderate	11.603 \| good	51.479 \| good	45.534 \| good	2.202 \| good	4.017 \| good	0.276 \| good
2025-05-31T21:00:00.000Z	54 \| moderate	11.33 \| good	50.659 \| good	47.573 \| good	1.585 \| good	4.701 \| good	0.276 \| good
2025-05-31T22:00:00.000Z	54 \| moderate	11.107 \| good	49.113 \| good	45.833 \| good	2.052 \| good	4.924 \| good	0.276 \| good
2025-05-31T23:00:00.000Z	54 \| moderate	10.901 \| good	48.954 \| good	47.343 \| good	2.283 \| good	5.268 \| good	0.276 \| good
2025-06-01T00:00:00.000Z	52 \| moderate	10.379 \| good	46.117 \| good	44.704 \| good	1.354 \| good	5.261 \| good	0.435 \| good
2025-06-01T01:00:00.000Z	52 \| moderate	9.754 \| good	43.414 \| good	44.498 \| good	1.354 \| good	9.124 \| good	0.309 \| good
2025-06-01T02:00:00.000Z	52 \| moderate	9.679 \| good	43.114 \| good	43.035 \| good	1.339 \| good	9.151 \| good	0.369 \| good
2025-06-01T03:00:00.000Z	60 \| moderate	14.146 \| fine	63.224 \| fine	13.45 \| good	0.747 \| good	4.14 \| good	0.247 \| good
2025-06-01T04:00:00.000Z	49 \| good	9.118 \| good	41.055 \| good	38.86 \| good	1.354 \| good	9.593 \| good	0.405 \| good
2025-06-01T05:00:00.000Z	49 \| good	9.106 \| good	40.981 \| good	35.576 \| good	1.339 \| good	9.194 \| good	0.429 \| good
2025-06-01T06:00:00.000Z	49 \| good	9.101 \| good	40.966 \| good	34.036 \| good	1.414 \| good	10.747 \| good	0.385 \| good
2025-06-01T07:00:00.000Z	49 \| good	9.495 \| good	42.363 \| good	29.482 \| good	1.514 \| good	6.801 \| good	0.356 \| good
2025-06-01T08:00:00.000Z	49 \| good	9.493 \| good	42.236 \| good	25.834 \| good	1.466 \| good	5.018 \| good	0.32 \| good
2025-06-01T09:00:00.000Z	52 \| moderate	9.865 \| good	43.997 \| good	26.764 \| good	1.48 \| good	6.611 \| good	0.339 \| good
2025-06-01T10:00:00.000Z	52 \| moderate	10.193 \| good	45.506 \| good	24.138 \| good	1.438 \| good	7.067 \| good	0.331 \| good
2025-05-29T08:00:00.000Z	22 \| good	4.239 \| good	18.631 \| good	7.444 \| good	1.614 \| good	9.457 \| good	0.522 \| good
2025-05-29T09:00:00.000Z	44 \| good	7.698 \| good	34 \| good	6.043 \| good	0.33 \| good	3.897 \| good	0.214 \| good
2025-05-29T10:00:00.000Z	27 \| good	5.13 \| good	22 \| good	9.005 \| good	0.265 \| good	3.148 \| good	0.22 \| good
2025-05-29T11:00:00.000Z	33 \| good	6.408 \| good	29 \| good	6.285 \| good	0.312 \| good	3.16 \| good	0.218 \| good
2025-05-29T12:00:00.000Z	44 \| good	7.69 \| good	34 \| good	9.56 \| good	0.359 \| good	3.172 \| good	0.216 \| good
2025-05-29T13:00:00.000Z	44 \| good	8.102 \| good	35.605 \| good	18.663 \| good	0.438 \| good	1.206 \| good	0.19 \| good
2025-05-29T14:00:00.000Z	33 \| good	6.442 \| good	28.957 \| good	28.681 \| good	0.472 \| good	1.24 \| good	0.191 \| good
2025-05-29T15:00:00.000Z	36 \| good	6.12 \| good	27.172 \| good	38.61 \| good	0.507 \| good	1.275 \| good	0.192 \| good
2025-05-29T16:00:00.000Z	42 \| good	3.831 \| good	16.493 \| good	44.74 \| good	0.529 \| good	0.597 \| good	0.178 \| good
2025-05-29T17:00:00.000Z	44 \| good	3.536 \| good	15.502 \| good	48.212 \| good	0.578 \| good	0.627 \| good	0.179 \| good
2025-05-29T18:00:00.000Z	39 \| good	3.664 \| good	16.343 \| good	41.85 \| good	0.627 \| good	0.656 \| good	0.18 \| good
2025-05-29T19:00:00.000Z	37 \| good	4.847 \| good	20.966 \| good	40.349 \| good	0.333 \| good	0.826 \| good	0.172 \| good
2025-05-29T20:00:00.000Z	36 \| good	6.197 \| good	27.422 \| good	38.852 \| good	0.377 \| good	0.872 \| good	0.174 \| good
2025-05-29T21:00:00.000Z	38 \| good	7.332 \| good	32 \| good	36.368 \| good	0.42 \| good	0.917 \| good	0.175 \| good
2025-05-29T22:00:00.000Z	27 \| good	5.338 \| good	22.939 \| good	28.964 \| good	0.256 \| good	2.759 \| good	0.192 \| good
2025-05-29T23:00:00.000Z	29 \| good	4.53 \| good	19.636 \| good	30.782 \| good	0.279 \| good	2.83 \| good	0.194 \| good
2025-05-30T00:00:00.000Z	34 \| good	5.835 \| good	25.04 \| good	37.227 \| good	0.302 \| good	2.901 \| good	0.196 \| good
2025-05-30T01:00:00.000Z	33 \| good	5.772 \| good	25.371 \| good	30.287 \| good	0.397 \| good	4.06 \| good	0.209 \| good
2025-05-30T02:00:00.000Z	26 \| good	4.306 \| good	18.588 \| good	28.314 \| good	0.421 \| good	4.046 \| good	0.209 \| good
2025-05-30T03:00:00.000Z	26 \| good	3.459 \| good	15.175 \| good	27.571 \| good	0.445 \| good	4.031 \| good	0.209 \| good
2025-05-30T04:00:00.000Z	25 \| good	3.129 \| good	14 \| good	26.812 \| good	0.373 \| good	5.52 \| good	0.234 \| good
2025-05-30T05:00:00.000Z	26 \| good	3.322 \| good	14.361 \| good	27.999 \| good	0.428 \| good	5.625 \| good	0.235 \| good
2025-05-30T06:00:00.000Z	27 \| good	3.428 \| good	15.337 \| good	28.649 \| good	0.483 \| good	5.729 \| good	0.236 \| good
2025-05-30T07:00:00.000Z	23 \| good	3.493 \| good	15.247 \| good	25.241 \| good	0.067 \| good	3.507 \| good	0.223 \| good
2025-05-30T08:00:00.000Z	22 \| good	4.395 \| good	18.917 \| good	20.296 \| good	0.098 \| good	3.48 \| good	0.222 \| good
2025-05-30T09:00:00.000Z	27 \| good	4.552 \| good	20.148 \| good	20.409 \| good	0.129 \| good	3.452 \| good	0.221 \| good
2025-05-30T10:00:00.000Z	18 \| good	1.343 \| good	5.222 \| good	18.568 \| good	0.135 \| good	1.665 \| good	0.196 \| good
2025-05-30T11:00:00.000Z	19 \| good	3.214 \| good	14 \| good	20.587 \| good	0.145 \| good	1.663 \| good	0.195 \| good
2025-05-30T12:00:00.000Z	24 \| good	3.494 \| good	15.823 \| good	26.397 \| good	0.154 \| good	1.661 \| good	0.194 \| good
2025-05-30T13:00:00.000Z	31 \| good	4.291 \| good	18.555 \| good	34.37 \| good	0.194 \| good	1.237 \| good	0.186 \| good
2025-05-30T14:00:00.000Z	29 \| good	4.305 \| good	18.967 \| good	30.77 \| good	0.218 \| good	1.284 \| good	0.187 \| good
2025-05-30T15:00:00.000Z	32 \| good	3.636 \| good	16.031 \| good	35.43 \| good	0.242 \| good	1.331 \| good	0.188 \| good
2025-05-30T16:00:00.000Z	40 \| good	3.618 \| good	16.074 \| good	43.297 \| good	0.186 \| good	0.868 \| good	0.173 \| good
2025-05-30T17:00:00.000Z	44 \| good	4.262 \| good	18.694 \| good	47.283 \| good	0.21 \| good	0.902 \| good	0.174 \| good
2025-05-30T18:00:00.000Z	44 \| good	4.249 \| good	18.707 \| good	48.175 \| good	0.234 \| good	0.936 \| good	0.176 \| good
2025-05-30T19:00:00.000Z	41 \| good	2.969 \| good	12.676 \| good	44.352 \| good	1.493 \| good	1.099 \| good	0.155 \| good
2025-05-30T20:00:00.000Z	40 \| good	3.013 \| good	12.738 \| good	43.49 \| good	1.486 \| good	1.202 \| good	0.157 \| good
2025-05-30T21:00:00.000Z	39 \| good	2.525 \| good	10.071 \| good	41.712 \| good	1.478 \| good	1.304 \| good	0.159 \| good
2025-05-30T22:00:00.000Z	36 \| good	3.81 \| good	16.634 \| good	39.354 \| good	0.909 \| good	1.569 \| good	0.152 \| good
2025-05-30T23:00:00.000Z	39 \| good	2.407 \| good	10 \| good	42.068 \| good	0.986 \| good	1.738 \| good	0.153 \| good
2025-05-31T00:00:00.000Z	32 \| good	4.334 \| good	18.907 \| good	34.664 \| good	1.064 \| good	1.907 \| good	0.153 \| good
2025-05-31T01:00:00.000Z	25 \| good	3.071 \| good	12.58 \| good	26.762 \| good	0.923 \| good	2.109 \| good	0.164 \| good
2025-05-31T02:00:00.000Z	22 \| good	2.947 \| good	12.379 \| good	23.596 \| good	0.902 \| good	2.339 \| good	0.167 \| good
2025-05-31T03:00:00.000Z	22 \| good	2.647 \| good	10.713 \| good	23.927 \| good	0.881 \| good	2.569 \| good	0.169 \| good
2025-05-31T04:00:00.000Z	22 \| good	2.737 \| good	10.925 \| good	23.661 \| good	1.272 \| good	2.034 \| good	0.162 \| good
2025-05-31T05:00:00.000Z	20 \| good	1.95 \| good	7.758 \| good	21.774 \| good	1.206 \| good	2.156 \| good	0.164 \| good
2025-05-31T06:00:00.000Z	49 \| good	9.417 \| good	9.531 \| good	36.667 \| good	1.143 \| good	2.298 \| good	0.166 \| good
2025-05-31T07:00:00.000Z	19 \| good	2.577 \| good	10.663 \| good	20.692 \| good	1.073 \| good	1.734 \| good	0.151 \| good
2025-05-31T08:00:00.000Z	17 \| good	2.255 \| good	8.77 \| good	18.42 \| good	1.185 \| good	1.771 \| good	0.153 \| good

Real-time air quality index in Knoxville, Tennessee today

Major air pollutants in Knoxville, Tennessee

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Knoxville, Tennessee air quality forecast and history

Get reliable air quality data to drive your business

Knoxville, Tennessee air quality map: Stay updated on AQI near you

Air quality in nearby cities

Powell, Tennessee

Seymour, Tennessee

Alcoa, Tennessee

Maryville, Tennessee

Farragut, Tennessee

Clinton, Tennessee

How accurate is Tennessee, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Knoxville, Tennessee?

What time in the last 24 hours was the air quality in Knoxville, Tennessee at its worst?

When did Knoxville, Tennessee experience the best air quality in the last 24 hours?

What is the AQI in Knoxville, Tennessee right now?

What is the most common type of pollution in Knoxville, Tennessee?

What should I do in case of poor air quality in Knoxville, Tennessee?

What is the PM2.5 level in Knoxville, Tennessee at the moment?

What is the PM10 level in Knoxville, Tennessee at the moment?

What is the carbon monoxide (CO) level in Knoxville, Tennessee at the moment?

What is the sulfur dioxide (SO2) level in Knoxville, Tennessee at the moment?

What is the ozone (O3) level in Knoxville, Tennessee at the moment?

What is the nitrogen dioxide (NO2) level in Knoxville, Tennessee at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Knoxville, Tennessee at the moment?

What is the PM₁₀ level in Knoxville, Tennessee at the moment?

What is the sulfur dioxide (SO₂) level in Knoxville, Tennessee at the moment?

What is the ozone (O₃) level in Knoxville, Tennessee at the moment?

What is the nitrogen dioxide (NO₂) level in Knoxville, Tennessee at the moment?