What is the PM10 level in Lone Tree, Colorado at the moment?

The PM10 concentration in Lone Tree, Colorado is 27.082 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Lone Tree, Colorado at the moment?

Currently, Lone Tree, Colorado has a sulfur dioxide (SO2) concentration of 0.686 ppb.

What is the ozone (O3) level in Lone Tree, Colorado at the moment?

The current ozone (O3) level in Lone Tree, Colorado at the moment is 31.97 ppm.

What is the nitrogen dioxide (NO2) level in Lone Tree, Colorado at the moment?

Nitrogen dioxide (NO2) level in Lone Tree, Colorado at the moment is 24.752 ppb.

Live air quality index in Lone Tree, Colorado today

Q: What is the PM2.5 level in Lone Tree, Colorado at the moment?

PM2.5 levels in Lone Tree, Colorado are currently 4.759 μg/m3.

Stay updated with real-time air quality in Lone Tree, Colorado 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

Lone Tree, Colorado

Last updated: ... (Local time)

Major air pollutants in Lone Tree, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.76 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.08 μg/m³

155

255

425

605+

Ozone (O₃)

31.97 ppb

201

201+

Sulfur Dioxide (SO₂)

0.69 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

24.75 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.39 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Lone Tree, Colorado

Get Live Pollen Counts

Lone Tree, Colorado

Scroll To Air Quality Map

Track live Lone Tree, Colorado air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T14:00:00.000Z	41 \| good	5.201 \| good	17.448 \| good	44.328 \| good	0.639 \| good	12.865 \| good	0.191 \| good
2026-06-06T15:00:00.000Z	44 \| good	7.192 \| good	29.091 \| good	46.664 \| good	0.997 \| good	12.557 \| good	0.268 \| good
2026-06-06T16:00:00.000Z	45 \| good	7.832 \| good	31.551 \| good	49.12 \| good	1.203 \| good	11.936 \| good	0.241 \| good
2026-06-06T17:00:00.000Z	49 \| good	7.952 \| good	31.302 \| good	52.709 \| good	0.976 \| good	11.056 \| good	0.196 \| good
2026-06-06T18:00:00.000Z	61 \| moderate	5.78 \| good	24.87 \| good	57.755 \| fine	1.045 \| good	13.428 \| good	0.297 \| good
2026-06-06T19:00:00.000Z	64 \| moderate	5.296 \| good	20.279 \| good	58.997 \| fine	0.762 \| good	12.834 \| good	0.263 \| good
2026-06-06T20:00:00.000Z	64 \| moderate	5.533 \| good	25.347 \| good	58.945 \| fine	0.587 \| good	8.682 \| good	0.213 \| good
2026-06-06T21:00:00.000Z	67 \| moderate	3.384 \| good	15.837 \| good	59.614 \| fine	0.541 \| good	5.124 \| good	0.15 \| good
2026-06-06T22:00:00.000Z	71 \| moderate	3.596 \| good	19.284 \| good	61.201 \| fine	0.567 \| good	4.376 \| good	0.15 \| good
2026-06-06T23:00:00.000Z	71 \| moderate	3.477 \| good	18.287 \| good	61.431 \| fine	0.652 \| good	4.968 \| good	0.15 \| good
2026-06-07T00:00:00.000Z	64 \| moderate	2.296 \| good	10.241 \| good	58.636 \| fine	0.587 \| good	6.386 \| good	0.201 \| good
2026-06-07T01:00:00.000Z	58 \| moderate	3.398 \| good	15.034 \| good	57.013 \| fine	0.567 \| good	8.803 \| good	0.251 \| good
2026-06-07T02:00:00.000Z	58 \| moderate	3.507 \| good	17.108 \| good	57.124 \| fine	0.658 \| good	11.251 \| good	0.307 \| good
2026-06-07T03:00:00.000Z	58 \| moderate	4.036 \| good	20.893 \| good	57.387 \| fine	0.49 \| good	4.876 \| good	0.156 \| good
2026-06-07T04:00:00.000Z	58 \| moderate	4.295 \| good	31.763 \| good	56.846 \| fine	0.554 \| good	5.236 \| good	0.201 \| good
2026-06-07T05:00:00.000Z	54 \| moderate	4.959 \| good	56.016 \| fine	55.616 \| fine	0.796 \| good	7.527 \| good	0.201 \| good
2026-06-07T06:00:00.000Z	50 \| good	4.463 \| good	26.183 \| good	54.243 \| good	0.837 \| good	9.389 \| good	0.285 \| good
2026-06-07T07:00:00.000Z	49 \| good	3.858 \| good	21.326 \| good	52.917 \| good	0.554 \| good	7.902 \| good	0.234 \| good
2026-06-07T08:00:00.000Z	49 \| good	3.404 \| good	17.161 \| good	52.719 \| good	0.509 \| good	8.493 \| good	0.184 \| good
2026-06-07T09:00:00.000Z	47 \| good	2.659 \| good	9.763 \| good	51.045 \| good	0.611 \| good	9.189 \| good	0.234 \| good
2026-06-07T10:00:00.000Z	47 \| good	2.713 \| good	12.078 \| good	50.528 \| good	0.62 \| good	11.659 \| good	0.201 \| good
2026-06-07T11:00:00.000Z	46 \| good	3.698 \| good	15.014 \| good	49.671 \| good	0.625 \| good	14.978 \| good	0.15 \| good
2026-06-07T12:00:00.000Z	48 \| good	4.109 \| good	17.3 \| good	51.623 \| good	0.518 \| good	17.172 \| good	0.184 \| good
2026-06-07T13:00:00.000Z	48 \| good	3.948 \| good	15.304 \| good	51.683 \| good	0.594 \| good	14.61 \| good	0.234 \| good
2026-06-07T14:00:00.000Z	48 \| good	3.883 \| good	15.374 \| good	51.999 \| good	0.706 \| good	10.16 \| good	0.24 \| good
2026-06-07T15:00:00.000Z	48 \| good	3.729 \| good	15.174 \| good	51.66 \| good	0.65 \| good	9.034 \| good	0.201 \| good
2026-06-07T16:00:00.000Z	48 \| good	2.854 \| good	15.356 \| good	51.932 \| good	1.018 \| good	9.03 \| good	0.156 \| good
2026-06-07T17:00:00.000Z	50 \| good	2.97 \| good	18.515 \| good	53.811 \| good	0.615 \| good	3.86 \| good	0.1 \| good
2026-06-07T18:00:00.000Z	51 \| moderate	3.555 \| good	20.559 \| good	55.362 \| fine	0.577 \| good	3.485 \| good	0.1 \| good
2026-06-07T19:00:00.000Z	54 \| moderate	3.443 \| good	16.011 \| good	56.056 \| fine	0.632 \| good	4.179 \| good	0.15 \| good
2026-06-07T20:00:00.000Z	54 \| moderate	3.746 \| good	20.969 \| good	56.426 \| fine	0.587 \| good	4.077 \| good	0.15 \| good
2026-06-07T21:00:00.000Z	54 \| moderate	4.183 \| good	18.058 \| good	55.728 \| fine	0.561 \| good	4.541 \| good	0.15 \| good
2026-06-07T22:00:00.000Z	51 \| moderate	4.207 \| good	26.963 \| good	55.04 \| fine	0.465 \| good	7.54 \| good	0.201 \| good
2026-06-07T23:00:00.000Z	50 \| good	4.002 \| good	23.453 \| good	53.657 \| good	0.566 \| good	8.853 \| good	0.256 \| good
2026-06-08T00:00:00.000Z	48 \| good	3.023 \| good	21.086 \| good	52.32 \| good	0.505 \| good	8.018 \| good	0.307 \| good
2026-06-08T01:00:00.000Z	47 \| good	3.504 \| good	19.702 \| good	51.453 \| good	0.475 \| good	12.439 \| good	0.29 \| good
2026-06-08T02:00:00.000Z	45 \| good	3.66 \| good	27.499 \| good	48.758 \| good	0.591 \| good	11.27 \| good	0.24 \| good
2026-06-08T03:00:00.000Z	88 \| moderate	28.807 \| fine	125.291 \| fine	46.504 \| good	0.246 \| good	11.43 \| good	0.165 \| good
2026-06-08T04:00:00.000Z	42 \| good	4.026 \| good	17.883 \| good	44.784 \| good	0.687 \| good	22.355 \| good	0.425 \| good
2026-06-08T05:00:00.000Z	40 \| good	4.336 \| good	19.136 \| good	43.126 \| good	0.67 \| good	24.813 \| good	0.408 \| good
2026-06-08T06:00:00.000Z	37 \| good	3.888 \| good	21.521 \| good	40.173 \| good	0.639 \| good	19.569 \| good	0.449 \| good
2026-06-08T07:00:00.000Z	34 \| good	3.902 \| good	34.478 \| good	36.663 \| good	0.66 \| good	24.012 \| good	0.414 \| good
2026-06-08T08:00:00.000Z	62 \| moderate	4.303 \| good	77.699 \| fine	34.239 \| good	0.66 \| good	27.67 \| good	0.327 \| good
2026-06-08T09:00:00.000Z	32 \| good	4.191 \| good	26.525 \| good	35.035 \| good	0.69 \| good	23.147 \| good	0.275 \| good
2026-06-08T10:00:00.000Z	32 \| good	4.122 \| good	20.259 \| good	34.854 \| good	1.103 \| good	15.541 \| good	0.239 \| good
2026-06-08T11:00:00.000Z	31 \| good	4.445 \| good	19.824 \| good	34.115 \| good	0.83 \| good	16.09 \| good	0.201 \| good
2026-06-08T12:00:00.000Z	32 \| good	4.143 \| good	19.771 \| good	34.806 \| good	0.656 \| good	15.517 \| good	0.351 \| good
2026-06-08T13:00:00.000Z	30 \| good	4.759 \| good	27.082 \| good	31.97 \| good	0.686 \| good	24.752 \| good	0.391 \| good
2026-06-08T13:00:00.000Z	30 \| good	4.759 \| good	27.082 \| good	31.97 \| good	0.686 \| good	24.752 \| good	0.391 \| good
2026-06-08T14:00:00.000Z	56 \| moderate	11.653 \| good	52.048 \| good	35.229 \| good	0.219 \| good	4.51 \| good	0.128 \| good
2026-06-08T15:00:00.000Z	52 \| moderate	10.003 \| good	44.162 \| good	43.425 \| good	0.319 \| good	2.664 \| good	0.116 \| good
2026-06-08T16:00:00.000Z	48 \| good	8.483 \| good	37.307 \| good	51.614 \| good	0.327 \| good	1.882 \| good	0.113 \| good
2026-06-08T17:00:00.000Z	61 \| moderate	4.988 \| good	21.564 \| good	58.145 \| fine	0.302 \| good	1.299 \| good	0.11 \| good
2026-06-08T18:00:00.000Z	58 \| moderate	1.355 \| good	5.347 \| good	57.005 \| fine	0.264 \| good	0.866 \| good	0.107 \| good
2026-06-08T19:00:00.000Z	49 \| good	0.803 \| good	3.167 \| good	53.318 \| good	0.216 \| good	0.686 \| good	0.104 \| good
2026-06-08T20:00:00.000Z	49 \| good	1.717 \| good	7.184 \| good	52.539 \| good	0.178 \| good	0.589 \| good	0.103 \| good
2026-06-08T21:00:00.000Z	49 \| good	2.256 \| good	9.484 \| good	53.295 \| good	0.165 \| good	0.688 \| good	0.102 \| good
2026-06-08T22:00:00.000Z	58 \| moderate	5.909 \| good	25.894 \| good	57.189 \| fine	0.183 \| good	0.863 \| good	0.103 \| good
2026-06-08T23:00:00.000Z	67 \| moderate	6.81 \| good	30.107 \| good	60.033 \| fine	0.211 \| good	1.05 \| good	0.104 \| good
2026-06-09T00:00:00.000Z	61 \| moderate	6.747 \| good	29.801 \| good	58.424 \| fine	0.233 \| good	1.368 \| good	0.106 \| good
2026-06-09T01:00:00.000Z	50 \| good	4.79 \| good	20.752 \| good	53.649 \| good	0.256 \| good	1.974 \| good	0.11 \| good
2026-06-09T02:00:00.000Z	50 \| good	3.419 \| good	14.685 \| good	53.608 \| good	0.268 \| good	2.674 \| good	0.114 \| good
2026-06-09T03:00:00.000Z	45 \| good	2.611 \| good	10.993 \| good	48.509 \| good	0.252 \| good	4.697 \| good	0.125 \| good
2026-06-09T04:00:00.000Z	43 \| good	2.703 \| good	11.155 \| good	45.566 \| good	0.227 \| good	4.385 \| good	0.123 \| good
2026-06-09T05:00:00.000Z	40 \| good	5.673 \| good	24.643 \| good	43.045 \| good	0.222 \| good	5.268 \| good	0.129 \| good
2026-06-09T06:00:00.000Z	56 \| moderate	12.488 \| fine	55.553 \| fine	48.273 \| good	0.222 \| good	6.199 \| good	0.137 \| good
2026-06-09T07:00:00.000Z	66 \| moderate	17.304 \| fine	76.434 \| fine	45.382 \| good	0.21 \| good	5.982 \| good	0.139 \| good
2026-06-09T08:00:00.000Z	64 \| moderate	16.091 \| fine	71.493 \| fine	45.242 \| good	0.2 \| good	5.34 \| good	0.136 \| good
2026-06-09T09:00:00.000Z	64 \| moderate	15.703 \| fine	70.235 \| fine	44.027 \| good	0.194 \| good	5.08 \| good	0.134 \| good
2026-06-09T10:00:00.000Z	54 \| moderate	11.203 \| good	50.194 \| good	39.073 \| good	0.189 \| good	5.239 \| good	0.134 \| good
2026-06-09T11:00:00.000Z	44 \| good	8.2 \| good	35.993 \| good	35.765 \| good	0.184 \| good	5.381 \| good	0.133 \| good
2026-06-09T12:00:00.000Z	33 \| good	5.484 \| good	23.697 \| good	35.918 \| good	0.176 \| good	4.98 \| good	0.131 \| good
2026-06-09T13:00:00.000Z	31 \| good	4.519 \| good	19.66 \| good	33.44 \| good	0.168 \| good	3.763 \| good	0.128 \| good
2026-06-09T14:00:00.000Z	33 \| good	5.806 \| good	25.436 \| good	32.541 \| good	0.178 \| good	3.672 \| good	0.131 \| good
2026-06-09T15:00:00.000Z	39 \| good	5.24 \| good	22.52 \| good	42.3 \| good	0.223 \| good	2.48 \| good	0.114 \| good
2026-06-09T16:00:00.000Z	54 \| moderate	3.775 \| good	16.51 \| good	55.511 \| fine	0.206 \| good	1.014 \| good	0.095 \| good
2026-06-09T17:00:00.000Z	74 \| moderate	2.499 \| good	10.059 \| good	61.542 \| fine	0.168 \| good	0.514 \| good	0.088 \| good
2026-06-09T18:00:00.000Z	67 \| moderate	3.464 \| good	14.973 \| good	60.371 \| fine	0.156 \| good	0.401 \| good	0.087 \| good
2026-06-09T19:00:00.000Z	71 \| moderate	6.124 \| good	26.73 \| good	60.503 \| fine	0.155 \| good	0.349 \| good	0.087 \| good
2026-06-09T20:00:00.000Z	67 \| moderate	5.136 \| good	22.093 \| good	60.433 \| fine	0.163 \| good	0.335 \| good	0.089 \| good
2026-06-09T21:00:00.000Z	64 \| moderate	11.896 \| good	52.963 \| good	59.006 \| fine	0.17 \| good	0.349 \| good	0.091 \| good
2026-06-09T22:00:00.000Z	64 \| moderate	16.286 \| fine	71.961 \| fine	57.637 \| fine	0.17 \| good	0.36 \| good	0.092 \| good
2026-06-09T23:00:00.000Z	66 \| moderate	17.479 \| fine	77.167 \| fine	58.368 \| fine	0.158 \| good	0.393 \| good	0.092 \| good
2026-06-10T00:00:00.000Z	69 \| moderate	18.569 \| fine	82.154 \| fine	54.739 \| good	0.129 \| good	0.48 \| good	0.091 \| good
2026-06-10T01:00:00.000Z	149 \| sensitive	55.056 \| moderate	246.945 \| moderate	53.813 \| good	0.096 \| good	0.701 \| good	0.092 \| good
2026-06-10T02:00:00.000Z	115 \| sensitive	41.153 \| moderate	182.44 \| moderate	46.96 \| good	0.092 \| good	1.858 \| good	0.098 \| good
2026-06-10T03:00:00.000Z	92 \| moderate	30.575 \| fine	132.274 \| fine	45.591 \| good	0.119 \| good	5.177 \| good	0.117 \| good
2026-06-10T04:00:00.000Z	77 \| moderate	22.606 \| fine	98.689 \| fine	48.251 \| good	0.15 \| good	8.406 \| good	0.137 \| good
2026-06-10T05:00:00.000Z	81 \| moderate	25.351 \| fine	110.012 \| fine	41.808 \| good	0.169 \| good	10.797 \| good	0.152 \| good
2026-06-10T06:00:00.000Z	49 \| good	9.351 \| good	10.723 \| good	22.483 \| good	0.174 \| good	12.436 \| good	0.165 \| good
2026-06-10T07:00:00.000Z	115 \| sensitive	40.636 \| moderate	180.226 \| moderate	38.272 \| good	0.166 \| good	11.896 \| good	0.168 \| good
2026-06-10T08:00:00.000Z	99 \| moderate	34.32 \| fine	150.667 \| fine	34.888 \| good	0.159 \| good	10.989 \| good	0.164 \| good
2026-06-10T09:00:00.000Z	77 \| moderate	23.189 \| fine	101.497 \| fine	32.837 \| good	0.15 \| good	9.729 \| good	0.154 \| good
2026-06-10T10:00:00.000Z	75 \| moderate	22.495 \| fine	98.707 \| fine	30.284 \| good	0.146 \| good	8.803 \| good	0.147 \| good
2026-06-10T11:00:00.000Z	92 \| moderate	30.93 \| fine	135.599 \| fine	24.812 \| good	0.14 \| good	8.529 \| good	0.144 \| good
2026-06-10T12:00:00.000Z	38 \| good	6.907 \| good	9.528 \| good	22.931 \| good	0.144 \| good	6.74 \| good	0.135 \| good
2026-06-10T13:00:00.000Z	33 \| good	6.103 \| good	8.391 \| good	25.741 \| good	0.147 \| good	4.613 \| good	0.125 \| good

Lone Tree

Get reliable air quality data to drive your business

Lone Tree, Colorado air quality map: Stay updated on AQI near you

0.38ppm

How accurate is Colorado, USA air quality data?

Air quality and pollutant data for Colorado, 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

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Frequently asked questions

How often is air quality information updated for Lone Tree, Colorado?

The air quality information for Lone Tree, Colorado is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Lone Tree, Colorado at its worst?

In the past 24 hours, the air quality in Lone Tree, Colorado was at its worst at 03:00:00 on 2026-06-08.

When did Lone Tree, Colorado experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Lone Tree, Colorado was observed at 11:00:00 on 2026-06-08.

What is the AQI in Lone Tree, Colorado right now?

As of now, the AQI in Lone Tree, Colorado is 30, indicating Good conditions.

What is the most common type of pollution in Lone Tree, Colorado?

Lone Tree, Colorado air has the highest levels of O3.

What should I do in case of poor air quality in Lone Tree, Colorado?

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

What is the PM_2.5 level in Lone Tree, Colorado at the moment?

PM_2.5 levels in Lone Tree, Colorado are currently 4.759 μg/m³.

What is the PM₁₀ level in Lone Tree, Colorado at the moment?

The PM₁₀ concentration in Lone Tree, Colorado is 27.082 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Lone Tree, Colorado at the moment?

The current carbon monoxide (CO) concentration in Lone Tree, Colorado is 0.391 ppm.

What is the sulfur dioxide (SO₂) level in Lone Tree, Colorado at the moment?

Currently, Lone Tree, Colorado has a sulfur dioxide (SO₂) concentration of 0.686 ppb.

What is the ozone (O₃) level in Lone Tree, Colorado at the moment?

The current ozone (O₃) level in Lone Tree, Colorado at the moment is 31.97 ppm.

What is the nitrogen dioxide (NO₂) level in Lone Tree, Colorado at the moment?

Nitrogen dioxide (NO₂) level in Lone Tree, Colorado at the moment is 24.752 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T14:00:00.000Z	41 \| good	5.201 \| good	17.448 \| good	44.328 \| good	0.639 \| good	12.865 \| good	0.191 \| good
2026-06-06T15:00:00.000Z	44 \| good	7.192 \| good	29.091 \| good	46.664 \| good	0.997 \| good	12.557 \| good	0.268 \| good
2026-06-06T16:00:00.000Z	45 \| good	7.832 \| good	31.551 \| good	49.12 \| good	1.203 \| good	11.936 \| good	0.241 \| good
2026-06-06T17:00:00.000Z	49 \| good	7.952 \| good	31.302 \| good	52.709 \| good	0.976 \| good	11.056 \| good	0.196 \| good
2026-06-06T18:00:00.000Z	61 \| moderate	5.78 \| good	24.87 \| good	57.755 \| fine	1.045 \| good	13.428 \| good	0.297 \| good
2026-06-06T19:00:00.000Z	64 \| moderate	5.296 \| good	20.279 \| good	58.997 \| fine	0.762 \| good	12.834 \| good	0.263 \| good
2026-06-06T20:00:00.000Z	64 \| moderate	5.533 \| good	25.347 \| good	58.945 \| fine	0.587 \| good	8.682 \| good	0.213 \| good
2026-06-06T21:00:00.000Z	67 \| moderate	3.384 \| good	15.837 \| good	59.614 \| fine	0.541 \| good	5.124 \| good	0.15 \| good
2026-06-06T22:00:00.000Z	71 \| moderate	3.596 \| good	19.284 \| good	61.201 \| fine	0.567 \| good	4.376 \| good	0.15 \| good
2026-06-06T23:00:00.000Z	71 \| moderate	3.477 \| good	18.287 \| good	61.431 \| fine	0.652 \| good	4.968 \| good	0.15 \| good
2026-06-07T00:00:00.000Z	64 \| moderate	2.296 \| good	10.241 \| good	58.636 \| fine	0.587 \| good	6.386 \| good	0.201 \| good
2026-06-07T01:00:00.000Z	58 \| moderate	3.398 \| good	15.034 \| good	57.013 \| fine	0.567 \| good	8.803 \| good	0.251 \| good
2026-06-07T02:00:00.000Z	58 \| moderate	3.507 \| good	17.108 \| good	57.124 \| fine	0.658 \| good	11.251 \| good	0.307 \| good
2026-06-07T03:00:00.000Z	58 \| moderate	4.036 \| good	20.893 \| good	57.387 \| fine	0.49 \| good	4.876 \| good	0.156 \| good
2026-06-07T04:00:00.000Z	58 \| moderate	4.295 \| good	31.763 \| good	56.846 \| fine	0.554 \| good	5.236 \| good	0.201 \| good
2026-06-07T05:00:00.000Z	54 \| moderate	4.959 \| good	56.016 \| fine	55.616 \| fine	0.796 \| good	7.527 \| good	0.201 \| good
2026-06-07T06:00:00.000Z	50 \| good	4.463 \| good	26.183 \| good	54.243 \| good	0.837 \| good	9.389 \| good	0.285 \| good
2026-06-07T07:00:00.000Z	49 \| good	3.858 \| good	21.326 \| good	52.917 \| good	0.554 \| good	7.902 \| good	0.234 \| good
2026-06-07T08:00:00.000Z	49 \| good	3.404 \| good	17.161 \| good	52.719 \| good	0.509 \| good	8.493 \| good	0.184 \| good
2026-06-07T09:00:00.000Z	47 \| good	2.659 \| good	9.763 \| good	51.045 \| good	0.611 \| good	9.189 \| good	0.234 \| good
2026-06-07T10:00:00.000Z	47 \| good	2.713 \| good	12.078 \| good	50.528 \| good	0.62 \| good	11.659 \| good	0.201 \| good
2026-06-07T11:00:00.000Z	46 \| good	3.698 \| good	15.014 \| good	49.671 \| good	0.625 \| good	14.978 \| good	0.15 \| good
2026-06-07T12:00:00.000Z	48 \| good	4.109 \| good	17.3 \| good	51.623 \| good	0.518 \| good	17.172 \| good	0.184 \| good
2026-06-07T13:00:00.000Z	48 \| good	3.948 \| good	15.304 \| good	51.683 \| good	0.594 \| good	14.61 \| good	0.234 \| good
2026-06-07T14:00:00.000Z	48 \| good	3.883 \| good	15.374 \| good	51.999 \| good	0.706 \| good	10.16 \| good	0.24 \| good
2026-06-07T15:00:00.000Z	48 \| good	3.729 \| good	15.174 \| good	51.66 \| good	0.65 \| good	9.034 \| good	0.201 \| good
2026-06-07T16:00:00.000Z	48 \| good	2.854 \| good	15.356 \| good	51.932 \| good	1.018 \| good	9.03 \| good	0.156 \| good
2026-06-07T17:00:00.000Z	50 \| good	2.97 \| good	18.515 \| good	53.811 \| good	0.615 \| good	3.86 \| good	0.1 \| good
2026-06-07T18:00:00.000Z	51 \| moderate	3.555 \| good	20.559 \| good	55.362 \| fine	0.577 \| good	3.485 \| good	0.1 \| good
2026-06-07T19:00:00.000Z	54 \| moderate	3.443 \| good	16.011 \| good	56.056 \| fine	0.632 \| good	4.179 \| good	0.15 \| good
2026-06-07T20:00:00.000Z	54 \| moderate	3.746 \| good	20.969 \| good	56.426 \| fine	0.587 \| good	4.077 \| good	0.15 \| good
2026-06-07T21:00:00.000Z	54 \| moderate	4.183 \| good	18.058 \| good	55.728 \| fine	0.561 \| good	4.541 \| good	0.15 \| good
2026-06-07T22:00:00.000Z	51 \| moderate	4.207 \| good	26.963 \| good	55.04 \| fine	0.465 \| good	7.54 \| good	0.201 \| good
2026-06-07T23:00:00.000Z	50 \| good	4.002 \| good	23.453 \| good	53.657 \| good	0.566 \| good	8.853 \| good	0.256 \| good
2026-06-08T00:00:00.000Z	48 \| good	3.023 \| good	21.086 \| good	52.32 \| good	0.505 \| good	8.018 \| good	0.307 \| good
2026-06-08T01:00:00.000Z	47 \| good	3.504 \| good	19.702 \| good	51.453 \| good	0.475 \| good	12.439 \| good	0.29 \| good
2026-06-08T02:00:00.000Z	45 \| good	3.66 \| good	27.499 \| good	48.758 \| good	0.591 \| good	11.27 \| good	0.24 \| good
2026-06-08T03:00:00.000Z	88 \| moderate	28.807 \| fine	125.291 \| fine	46.504 \| good	0.246 \| good	11.43 \| good	0.165 \| good
2026-06-08T04:00:00.000Z	42 \| good	4.026 \| good	17.883 \| good	44.784 \| good	0.687 \| good	22.355 \| good	0.425 \| good
2026-06-08T05:00:00.000Z	40 \| good	4.336 \| good	19.136 \| good	43.126 \| good	0.67 \| good	24.813 \| good	0.408 \| good
2026-06-08T06:00:00.000Z	37 \| good	3.888 \| good	21.521 \| good	40.173 \| good	0.639 \| good	19.569 \| good	0.449 \| good
2026-06-08T07:00:00.000Z	34 \| good	3.902 \| good	34.478 \| good	36.663 \| good	0.66 \| good	24.012 \| good	0.414 \| good
2026-06-08T08:00:00.000Z	62 \| moderate	4.303 \| good	77.699 \| fine	34.239 \| good	0.66 \| good	27.67 \| good	0.327 \| good
2026-06-08T09:00:00.000Z	32 \| good	4.191 \| good	26.525 \| good	35.035 \| good	0.69 \| good	23.147 \| good	0.275 \| good
2026-06-08T10:00:00.000Z	32 \| good	4.122 \| good	20.259 \| good	34.854 \| good	1.103 \| good	15.541 \| good	0.239 \| good
2026-06-08T11:00:00.000Z	31 \| good	4.445 \| good	19.824 \| good	34.115 \| good	0.83 \| good	16.09 \| good	0.201 \| good
2026-06-08T12:00:00.000Z	32 \| good	4.143 \| good	19.771 \| good	34.806 \| good	0.656 \| good	15.517 \| good	0.351 \| good
2026-06-08T13:00:00.000Z	30 \| good	4.759 \| good	27.082 \| good	31.97 \| good	0.686 \| good	24.752 \| good	0.391 \| good
2026-06-08T13:00:00.000Z	30 \| good	4.759 \| good	27.082 \| good	31.97 \| good	0.686 \| good	24.752 \| good	0.391 \| good
2026-06-08T14:00:00.000Z	56 \| moderate	11.653 \| good	52.048 \| good	35.229 \| good	0.219 \| good	4.51 \| good	0.128 \| good
2026-06-08T15:00:00.000Z	52 \| moderate	10.003 \| good	44.162 \| good	43.425 \| good	0.319 \| good	2.664 \| good	0.116 \| good
2026-06-08T16:00:00.000Z	48 \| good	8.483 \| good	37.307 \| good	51.614 \| good	0.327 \| good	1.882 \| good	0.113 \| good
2026-06-08T17:00:00.000Z	61 \| moderate	4.988 \| good	21.564 \| good	58.145 \| fine	0.302 \| good	1.299 \| good	0.11 \| good
2026-06-08T18:00:00.000Z	58 \| moderate	1.355 \| good	5.347 \| good	57.005 \| fine	0.264 \| good	0.866 \| good	0.107 \| good
2026-06-08T19:00:00.000Z	49 \| good	0.803 \| good	3.167 \| good	53.318 \| good	0.216 \| good	0.686 \| good	0.104 \| good
2026-06-08T20:00:00.000Z	49 \| good	1.717 \| good	7.184 \| good	52.539 \| good	0.178 \| good	0.589 \| good	0.103 \| good
2026-06-08T21:00:00.000Z	49 \| good	2.256 \| good	9.484 \| good	53.295 \| good	0.165 \| good	0.688 \| good	0.102 \| good
2026-06-08T22:00:00.000Z	58 \| moderate	5.909 \| good	25.894 \| good	57.189 \| fine	0.183 \| good	0.863 \| good	0.103 \| good
2026-06-08T23:00:00.000Z	67 \| moderate	6.81 \| good	30.107 \| good	60.033 \| fine	0.211 \| good	1.05 \| good	0.104 \| good
2026-06-09T00:00:00.000Z	61 \| moderate	6.747 \| good	29.801 \| good	58.424 \| fine	0.233 \| good	1.368 \| good	0.106 \| good
2026-06-09T01:00:00.000Z	50 \| good	4.79 \| good	20.752 \| good	53.649 \| good	0.256 \| good	1.974 \| good	0.11 \| good
2026-06-09T02:00:00.000Z	50 \| good	3.419 \| good	14.685 \| good	53.608 \| good	0.268 \| good	2.674 \| good	0.114 \| good
2026-06-09T03:00:00.000Z	45 \| good	2.611 \| good	10.993 \| good	48.509 \| good	0.252 \| good	4.697 \| good	0.125 \| good
2026-06-09T04:00:00.000Z	43 \| good	2.703 \| good	11.155 \| good	45.566 \| good	0.227 \| good	4.385 \| good	0.123 \| good
2026-06-09T05:00:00.000Z	40 \| good	5.673 \| good	24.643 \| good	43.045 \| good	0.222 \| good	5.268 \| good	0.129 \| good
2026-06-09T06:00:00.000Z	56 \| moderate	12.488 \| fine	55.553 \| fine	48.273 \| good	0.222 \| good	6.199 \| good	0.137 \| good
2026-06-09T07:00:00.000Z	66 \| moderate	17.304 \| fine	76.434 \| fine	45.382 \| good	0.21 \| good	5.982 \| good	0.139 \| good
2026-06-09T08:00:00.000Z	64 \| moderate	16.091 \| fine	71.493 \| fine	45.242 \| good	0.2 \| good	5.34 \| good	0.136 \| good
2026-06-09T09:00:00.000Z	64 \| moderate	15.703 \| fine	70.235 \| fine	44.027 \| good	0.194 \| good	5.08 \| good	0.134 \| good
2026-06-09T10:00:00.000Z	54 \| moderate	11.203 \| good	50.194 \| good	39.073 \| good	0.189 \| good	5.239 \| good	0.134 \| good
2026-06-09T11:00:00.000Z	44 \| good	8.2 \| good	35.993 \| good	35.765 \| good	0.184 \| good	5.381 \| good	0.133 \| good
2026-06-09T12:00:00.000Z	33 \| good	5.484 \| good	23.697 \| good	35.918 \| good	0.176 \| good	4.98 \| good	0.131 \| good
2026-06-09T13:00:00.000Z	31 \| good	4.519 \| good	19.66 \| good	33.44 \| good	0.168 \| good	3.763 \| good	0.128 \| good
2026-06-09T14:00:00.000Z	33 \| good	5.806 \| good	25.436 \| good	32.541 \| good	0.178 \| good	3.672 \| good	0.131 \| good
2026-06-09T15:00:00.000Z	39 \| good	5.24 \| good	22.52 \| good	42.3 \| good	0.223 \| good	2.48 \| good	0.114 \| good
2026-06-09T16:00:00.000Z	54 \| moderate	3.775 \| good	16.51 \| good	55.511 \| fine	0.206 \| good	1.014 \| good	0.095 \| good
2026-06-09T17:00:00.000Z	74 \| moderate	2.499 \| good	10.059 \| good	61.542 \| fine	0.168 \| good	0.514 \| good	0.088 \| good
2026-06-09T18:00:00.000Z	67 \| moderate	3.464 \| good	14.973 \| good	60.371 \| fine	0.156 \| good	0.401 \| good	0.087 \| good
2026-06-09T19:00:00.000Z	71 \| moderate	6.124 \| good	26.73 \| good	60.503 \| fine	0.155 \| good	0.349 \| good	0.087 \| good
2026-06-09T20:00:00.000Z	67 \| moderate	5.136 \| good	22.093 \| good	60.433 \| fine	0.163 \| good	0.335 \| good	0.089 \| good
2026-06-09T21:00:00.000Z	64 \| moderate	11.896 \| good	52.963 \| good	59.006 \| fine	0.17 \| good	0.349 \| good	0.091 \| good
2026-06-09T22:00:00.000Z	64 \| moderate	16.286 \| fine	71.961 \| fine	57.637 \| fine	0.17 \| good	0.36 \| good	0.092 \| good
2026-06-09T23:00:00.000Z	66 \| moderate	17.479 \| fine	77.167 \| fine	58.368 \| fine	0.158 \| good	0.393 \| good	0.092 \| good
2026-06-10T00:00:00.000Z	69 \| moderate	18.569 \| fine	82.154 \| fine	54.739 \| good	0.129 \| good	0.48 \| good	0.091 \| good
2026-06-10T01:00:00.000Z	149 \| sensitive	55.056 \| moderate	246.945 \| moderate	53.813 \| good	0.096 \| good	0.701 \| good	0.092 \| good
2026-06-10T02:00:00.000Z	115 \| sensitive	41.153 \| moderate	182.44 \| moderate	46.96 \| good	0.092 \| good	1.858 \| good	0.098 \| good
2026-06-10T03:00:00.000Z	92 \| moderate	30.575 \| fine	132.274 \| fine	45.591 \| good	0.119 \| good	5.177 \| good	0.117 \| good
2026-06-10T04:00:00.000Z	77 \| moderate	22.606 \| fine	98.689 \| fine	48.251 \| good	0.15 \| good	8.406 \| good	0.137 \| good
2026-06-10T05:00:00.000Z	81 \| moderate	25.351 \| fine	110.012 \| fine	41.808 \| good	0.169 \| good	10.797 \| good	0.152 \| good
2026-06-10T06:00:00.000Z	49 \| good	9.351 \| good	10.723 \| good	22.483 \| good	0.174 \| good	12.436 \| good	0.165 \| good
2026-06-10T07:00:00.000Z	115 \| sensitive	40.636 \| moderate	180.226 \| moderate	38.272 \| good	0.166 \| good	11.896 \| good	0.168 \| good
2026-06-10T08:00:00.000Z	99 \| moderate	34.32 \| fine	150.667 \| fine	34.888 \| good	0.159 \| good	10.989 \| good	0.164 \| good
2026-06-10T09:00:00.000Z	77 \| moderate	23.189 \| fine	101.497 \| fine	32.837 \| good	0.15 \| good	9.729 \| good	0.154 \| good
2026-06-10T10:00:00.000Z	75 \| moderate	22.495 \| fine	98.707 \| fine	30.284 \| good	0.146 \| good	8.803 \| good	0.147 \| good
2026-06-10T11:00:00.000Z	92 \| moderate	30.93 \| fine	135.599 \| fine	24.812 \| good	0.14 \| good	8.529 \| good	0.144 \| good
2026-06-10T12:00:00.000Z	38 \| good	6.907 \| good	9.528 \| good	22.931 \| good	0.144 \| good	6.74 \| good	0.135 \| good
2026-06-10T13:00:00.000Z	33 \| good	6.103 \| good	8.391 \| good	25.741 \| good	0.147 \| good	4.613 \| good	0.125 \| good

Live air quality index in Lone Tree, Colorado today

Major air pollutants in Lone Tree, Colorado

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

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Highlands Ranch, Colorado

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Frequently asked questions

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What is the nitrogen dioxide (NO2) level in Lone Tree, Colorado 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 Lone Tree, Colorado at the moment?

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What is the sulfur dioxide (SO₂) level in Lone Tree, Colorado at the moment?

What is the ozone (O₃) level in Lone Tree, Colorado at the moment?

What is the nitrogen dioxide (NO₂) level in Lone Tree, Colorado at the moment?