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

The PM10 concentration in Lone Tree, Colorado is 42.898 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 1.335 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 48.579 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 25.728 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 11.78 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)

Moderate

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)

9.27 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

42.01 μg/m³

155

255

425

605+

Ozone (O₃)

57.17 ppb

201

201+

Sulfur Dioxide (SO₂)

0.96 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.94 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 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
2026-08-10T19:00:00.000Z	67 \| moderate	16.201 \| fine	72.753 \| fine	60.245 \| fine	0.718 \| good	18.823 \| good	0.339 \| good
2026-08-10T20:00:00.000Z	108 \| sensitive	22.413 \| fine	98.344 \| fine	73.328 \| moderate	0.294 \| good	0.589 \| good	0.169 \| good
2026-08-10T21:00:00.000Z	101 \| sensitive	20.019 \| fine	88.282 \| fine	71.203 \| moderate	0.29 \| good	0.679 \| good	0.167 \| good
2026-08-10T22:00:00.000Z	108 \| sensitive	17.703 \| fine	78.381 \| fine	73.365 \| moderate	0.288 \| good	1.307 \| good	0.171 \| good
2026-08-10T23:00:00.000Z	93 \| moderate	17.251 \| fine	76.381 \| fine	68.252 \| fine	0.299 \| good	2.031 \| good	0.176 \| good
2026-08-11T00:00:00.000Z	90 \| moderate	18.89 \| fine	83.209 \| fine	67.241 \| fine	0.289 \| good	1.902 \| good	0.171 \| good
2026-08-11T01:00:00.000Z	93 \| moderate	19.261 \| fine	85.026 \| fine	68.072 \| fine	0.296 \| good	2.605 \| good	0.175 \| good
2026-08-11T02:00:00.000Z	77 \| moderate	18.341 \| fine	81.19 \| fine	62.569 \| fine	0.297 \| good	4.573 \| good	0.187 \| good
2026-08-11T03:00:00.000Z	67 \| moderate	18.324 \| fine	80.9 \| fine	56.732 \| fine	0.31 \| good	6.295 \| good	0.199 \| good
2026-08-11T04:00:00.000Z	67 \| moderate	17.684 \| fine	78.687 \| fine	54.353 \| good	0.315 \| good	6.945 \| good	0.204 \| good
2026-08-11T05:00:00.000Z	64 \| moderate	16.458 \| fine	73.208 \| fine	54.56 \| good	0.308 \| good	7.117 \| good	0.205 \| good
2026-08-11T06:00:00.000Z	62 \| moderate	15.145 \| fine	67.678 \| fine	53.2 \| good	0.29 \| good	7.11 \| good	0.205 \| good
2026-08-11T07:00:00.000Z	58 \| moderate	11.982 \| good	49.489 \| good	56.958 \| fine	0.657 \| good	8.45 \| good	0.196 \| good
2026-08-11T08:00:00.000Z	61 \| moderate	11.106 \| good	49.088 \| good	57.929 \| fine	0.661 \| good	8.606 \| good	0.196 \| good
2026-08-11T09:00:00.000Z	54 \| moderate	10.272 \| good	35.961 \| good	55.707 \| fine	0.668 \| good	9.371 \| good	0.196 \| good
2026-08-11T10:00:00.000Z	52 \| moderate	10.055 \| good	45.117 \| good	53.37 \| good	1.039 \| good	12.963 \| good	0.244 \| good
2026-08-11T11:00:00.000Z	54 \| moderate	11.283 \| good	50.945 \| good	50.512 \| good	0.759 \| good	16.563 \| good	0.244 \| good
2026-08-11T12:00:00.000Z	52 \| moderate	10.122 \| good	36.83 \| good	51.04 \| good	0.981 \| good	23.195 \| good	0.277 \| good
2026-08-11T13:00:00.000Z	54 \| moderate	11.223 \| good	49.382 \| good	48.523 \| good	1.057 \| good	28.887 \| good	0.461 \| good
2026-08-11T14:00:00.000Z	52 \| moderate	10.463 \| good	41.839 \| good	47.936 \| good	0.962 \| good	28.46 \| good	0.412 \| good
2026-08-11T15:00:00.000Z	56 \| moderate	11.78 \| good	42.898 \| good	48.579 \| good	1.335 \| good	25.728 \| good	0.371 \| good
2026-08-11T16:00:00.000Z	56 \| moderate	11.53 \| good	50.381 \| good	52.567 \| good	1.332 \| good	24.106 \| good	0.317 \| good
2026-08-11T17:00:00.000Z	58 \| moderate	11.693 \| good	51.693 \| good	56.763 \| fine	1.001 \| good	12.467 \| good	0.277 \| good
2026-08-11T18:00:00.000Z	74 \| moderate	11.858 \| good	50.148 \| good	61.559 \| fine	0.728 \| good	9.803 \| good	0.203 \| good
2026-08-11T19:00:00.000Z	87 \| moderate	11.93 \| good	52.179 \| good	66.192 \| fine	0.908 \| good	10.781 \| good	0.244 \| good
2026-08-11T20:00:00.000Z	97 \| moderate	11.931 \| good	52.846 \| good	68.522 \| fine	0.872 \| good	18.701 \| good	0.373 \| good
2026-08-11T21:00:00.000Z	112 \| sensitive	12.715 \| fine	58.041 \| fine	74.255 \| moderate	0.761 \| good	22.549 \| good	0.379 \| good
2026-08-11T22:00:00.000Z	122 \| sensitive	13.412 \| fine	61.323 \| fine	77.282 \| moderate	0.727 \| good	17.267 \| good	0.339 \| good
2026-08-11T23:00:00.000Z	112 \| sensitive	12.072 \| good	49.653 \| good	73.65 \| moderate	0.707 \| good	18.744 \| good	0.379 \| good
2026-08-12T00:00:00.000Z	108 \| sensitive	11.373 \| good	50.673 \| good	72.533 \| moderate	0.632 \| good	14.5 \| good	0.331 \| good
2026-08-12T01:00:00.000Z	97 \| moderate	10.338 \| good	46.993 \| good	69.24 \| fine	0.638 \| good	18.127 \| good	0.365 \| good
2026-08-12T02:00:00.000Z	90 \| moderate	9.931 \| good	44.355 \| good	67.185 \| fine	0.738 \| good	17.846 \| good	0.365 \| good
2026-08-12T03:00:00.000Z	73 \| moderate	21.173 \| fine	93.25 \| fine	52.942 \| good	0.214 \| good	5.568 \| good	0.181 \| good
2026-08-12T04:00:00.000Z	64 \| moderate	9.244 \| good	38.55 \| good	59.106 \| fine	0.565 \| good	16.824 \| good	0.423 \| good
2026-08-12T05:00:00.000Z	64 \| moderate	9.092 \| good	41.998 \| good	59.482 \| fine	0.565 \| good	18.488 \| good	0.336 \| good
2026-08-12T06:00:00.000Z	52 \| moderate	9.615 \| good	42.616 \| good	54.805 \| good	0.557 \| good	16.865 \| good	0.336 \| good
2026-08-12T07:00:00.000Z	52 \| moderate	9.704 \| good	42.771 \| good	52.937 \| good	0.592 \| good	13.583 \| good	0.277 \| good
2026-08-12T08:00:00.000Z	49 \| good	9.304 \| good	41.587 \| good	51.808 \| good	0.646 \| good	13.202 \| good	0.244 \| good
2026-08-12T09:00:00.000Z	50 \| good	8.399 \| good	35.849 \| good	54.201 \| good	0.728 \| good	8.29 \| good	0.244 \| good
2026-08-12T10:00:00.000Z	49 \| good	8.35 \| good	33.022 \| good	52.668 \| good	0.64 \| good	8.842 \| good	0.244 \| good
2026-08-12T11:00:00.000Z	47 \| good	8.127 \| good	31.17 \| good	50.753 \| good	0.674 \| good	11.905 \| good	0.2 \| good
2026-08-12T12:00:00.000Z	45 \| good	7.584 \| good	25.782 \| good	49.389 \| good	0.697 \| good	21.617 \| good	0.387 \| good
2026-08-12T13:00:00.000Z	44 \| good	8.025 \| good	35.63 \| good	47.874 \| good	0.688 \| good	29.646 \| good	0.468 \| good
2026-08-12T14:00:00.000Z	45 \| good	8.347 \| good	36.041 \| good	49.253 \| good	0.856 \| good	34.641 \| good	0.701 \| good
2026-08-12T15:00:00.000Z	49 \| good	9.007 \| good	44.552 \| good	48.499 \| good	1.011 \| good	28.706 \| good	0.508 \| good
2026-08-12T16:00:00.000Z	49 \| good	8.97 \| good	39.011 \| good	52.628 \| good	0.784 \| good	21.771 \| good	0.379 \| good
2026-08-12T17:00:00.000Z	58 \| moderate	9.269 \| good	42.013 \| good	57.169 \| fine	0.957 \| good	13.944 \| good	0.292 \| good
2026-08-12T18:00:00.000Z	58 \| moderate	9.269 \| good	42.013 \| good	57.169 \| fine	0.957 \| good	13.944 \| good	0.292 \| good
2026-08-11T17:00:00.000Z	100 \| moderate	25.454 \| fine	111.316 \| fine	69.911 \| fine	0.325 \| good	1.106 \| good	0.157 \| good
2026-08-11T18:00:00.000Z	119 \| sensitive	25.196 \| fine	109.613 \| fine	75.897 \| moderate	0.269 \| good	0.653 \| good	0.151 \| good
2026-08-11T19:00:00.000Z	119 \| sensitive	23.138 \| fine	101.444 \| fine	75.871 \| moderate	0.252 \| good	0.581 \| good	0.148 \| good
2026-08-11T20:00:00.000Z	105 \| sensitive	22.849 \| fine	99.692 \| fine	72.207 \| moderate	0.251 \| good	0.617 \| good	0.146 \| good
2026-08-11T21:00:00.000Z	101 \| sensitive	21.172 \| fine	93.287 \| fine	71.303 \| moderate	0.239 \| good	0.805 \| good	0.146 \| good
2026-08-11T22:00:00.000Z	97 \| moderate	19.598 \| fine	86.585 \| fine	69.49 \| fine	0.239 \| good	1.131 \| good	0.147 \| good
2026-08-11T23:00:00.000Z	77 \| moderate	17.175 \| fine	76.47 \| fine	63.279 \| fine	0.27 \| good	1.747 \| good	0.154 \| good
2026-08-12T00:00:00.000Z	80 \| moderate	18.28 \| fine	80.574 \| fine	63.991 \| fine	0.272 \| good	2.28 \| good	0.16 \| good
2026-08-12T01:00:00.000Z	67 \| moderate	14.779 \| fine	66.101 \| fine	59.89 \| fine	0.258 \| good	3.484 \| good	0.17 \| good
2026-08-12T02:00:00.000Z	66 \| moderate	17.456 \| fine	77.09 \| fine	56.201 \| fine	0.251 \| good	4.864 \| good	0.18 \| good
2026-08-12T03:00:00.000Z	71 \| moderate	19.901 \| fine	87.732 \| fine	50.681 \| good	0.252 \| good	6.274 \| good	0.189 \| good
2026-08-12T04:00:00.000Z	73 \| moderate	20.674 \| fine	91.194 \| fine	50.558 \| good	0.247 \| good	7.08 \| good	0.194 \| good
2026-08-12T05:00:00.000Z	66 \| moderate	17.477 \| fine	76.938 \| fine	50.644 \| good	0.238 \| good	7.533 \| good	0.196 \| good
2026-08-12T06:00:00.000Z	62 \| moderate	15.075 \| fine	67.634 \| fine	51.921 \| good	0.232 \| good	8.44 \| good	0.204 \| good
2026-08-12T07:00:00.000Z	58 \| moderate	13.342 \| fine	59.987 \| fine	48.453 \| good	0.219 \| good	8.282 \| good	0.207 \| good
2026-08-12T08:00:00.000Z	56 \| moderate	12.248 \| fine	55.172 \| fine	49.013 \| good	0.205 \| good	7.852 \| good	0.204 \| good
2026-08-12T09:00:00.000Z	58 \| moderate	13.02 \| fine	58.053 \| fine	48.188 \| good	0.192 \| good	7.315 \| good	0.2 \| good
2026-08-12T10:00:00.000Z	60 \| moderate	13.851 \| fine	62.209 \| fine	45.294 \| good	0.175 \| good	6.937 \| good	0.195 \| good
2026-08-12T11:00:00.000Z	54 \| moderate	11.202 \| good	49.63 \| good	42.487 \| good	0.159 \| good	6.683 \| good	0.19 \| good
2026-08-12T12:00:00.000Z	56 \| moderate	11.728 \| good	52.298 \| good	38.663 \| good	0.148 \| good	6.582 \| good	0.186 \| good
2026-08-12T13:00:00.000Z	56 \| moderate	12.049 \| good	53.802 \| good	38.082 \| good	0.132 \| good	5.946 \| good	0.183 \| good
2026-08-12T14:00:00.000Z	58 \| moderate	12.637 \| fine	56.362 \| fine	41.038 \| good	0.139 \| good	5.632 \| good	0.186 \| good
2026-08-12T15:00:00.000Z	62 \| moderate	14.641 \| fine	65.268 \| fine	47.862 \| good	0.165 \| good	4.722 \| good	0.174 \| good
2026-08-12T16:00:00.000Z	64 \| moderate	16.191 \| fine	72.053 \| fine	55.203 \| fine	0.232 \| good	2.736 \| good	0.154 \| good
2026-08-12T17:00:00.000Z	87 \| moderate	17.261 \| fine	76.548 \| fine	66.101 \| fine	0.273 \| good	1.489 \| good	0.144 \| good
2026-08-12T18:00:00.000Z	100 \| moderate	17.871 \| fine	79.003 \| fine	69.97 \| fine	0.251 \| good	0.915 \| good	0.139 \| good
2026-08-12T19:00:00.000Z	84 \| moderate	15.827 \| fine	70.41 \| fine	64.911 \| fine	0.225 \| good	0.684 \| good	0.137 \| good
2026-08-12T20:00:00.000Z	61 \| moderate	13.593 \| fine	60.911 \| fine	58.053 \| fine	0.207 \| good	0.65 \| good	0.136 \| good
2026-08-12T21:00:00.000Z	58 \| moderate	13.025 \| fine	58.733 \| fine	56.815 \| fine	0.208 \| good	0.773 \| good	0.137 \| good
2026-08-12T22:00:00.000Z	62 \| moderate	14.936 \| fine	67.045 \| fine	53.079 \| good	0.246 \| good	1.142 \| good	0.139 \| good
2026-08-12T23:00:00.000Z	62 \| moderate	15.144 \| fine	67.565 \| fine	47.387 \| good	0.284 \| good	1.597 \| good	0.141 \| good
2026-08-13T00:00:00.000Z	64 \| moderate	16.451 \| fine	72.896 \| fine	52.417 \| good	0.31 \| good	2.55 \| good	0.148 \| good
2026-08-13T01:00:00.000Z	66 \| moderate	16.572 \| fine	73.766 \| fine	49.38 \| good	0.289 \| good	3.982 \| good	0.16 \| good
2026-08-13T02:00:00.000Z	67 \| moderate	18.277 \| fine	80.676 \| fine	43.219 \| good	0.258 \| good	5.627 \| good	0.173 \| good
2026-08-13T03:00:00.000Z	64 \| moderate	16.415 \| fine	73.148 \| fine	44.631 \| good	0.27 \| good	7.192 \| good	0.184 \| good
2026-08-13T04:00:00.000Z	62 \| moderate	14.926 \| fine	66.835 \| fine	44.1 \| good	0.27 \| good	9.264 \| good	0.196 \| good
2026-08-13T05:00:00.000Z	60 \| moderate	13.917 \| fine	62.174 \| fine	48.647 \| good	0.27 \| good	11.386 \| good	0.21 \| good
2026-08-13T06:00:00.000Z	56 \| moderate	12.119 \| fine	54.105 \| good	50.077 \| good	0.26 \| good	12.264 \| good	0.22 \| good
2026-08-13T07:00:00.000Z	56 \| moderate	12.162 \| fine	54.486 \| good	46.328 \| good	0.239 \| good	12.449 \| good	0.228 \| good
2026-08-13T08:00:00.000Z	54 \| moderate	10.656 \| good	47.086 \| good	42.754 \| good	0.225 \| good	12.263 \| good	0.23 \| good
2026-08-13T09:00:00.000Z	54 \| moderate	11.481 \| good	51.023 \| good	41.901 \| good	0.202 \| good	11.751 \| good	0.228 \| good
2026-08-13T10:00:00.000Z	56 \| moderate	11.613 \| good	51.832 \| good	39.657 \| good	0.171 \| good	11.325 \| good	0.226 \| good
2026-08-13T11:00:00.000Z	58 \| moderate	13.141 \| fine	58.888 \| fine	35.619 \| good	0.148 \| good	10.908 \| good	0.223 \| good
2026-08-13T12:00:00.000Z	67 \| moderate	17.822 \| fine	79.1 \| fine	28.183 \| good	0.132 \| good	10.471 \| good	0.22 \| good
2026-08-13T13:00:00.000Z	66 \| moderate	16.501 \| fine	73.694 \| fine	36.354 \| good	0.144 \| good	7.918 \| good	0.212 \| good
2026-08-13T14:00:00.000Z	62 \| moderate	14.639 \| fine	65.176 \| fine	40.3 \| good	0.165 \| good	6.669 \| good	0.215 \| good
2026-08-13T15:00:00.000Z	62 \| moderate	14.749 \| fine	65.799 \| fine	41.699 \| good	0.253 \| good	5.398 \| good	0.194 \| good
2026-08-13T16:00:00.000Z	66 \| moderate	16.694 \| fine	74.015 \| fine	45.054 \| good	0.375 \| good	3.456 \| good	0.173 \| good

Lone Tree

Get reliable air quality data to drive your business

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

0.37ppm

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

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 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 10:00:00 on 2026-08-10.

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 02:00:00 on 2026-08-11.

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

As of now, the AQI in Lone Tree, Colorado is 56, indicating Moderate conditions.

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

Lone Tree, Colorado air has the highest levels of PM2.5.

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 11.78 μg/m³.

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

The PM₁₀ concentration in Lone Tree, Colorado is 42.898 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 0.371 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 1.335 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 48.579 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 25.728 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-10T19:00:00.000Z	67 \| moderate	16.201 \| fine	72.753 \| fine	60.245 \| fine	0.718 \| good	18.823 \| good	0.339 \| good
2026-08-10T20:00:00.000Z	108 \| sensitive	22.413 \| fine	98.344 \| fine	73.328 \| moderate	0.294 \| good	0.589 \| good	0.169 \| good
2026-08-10T21:00:00.000Z	101 \| sensitive	20.019 \| fine	88.282 \| fine	71.203 \| moderate	0.29 \| good	0.679 \| good	0.167 \| good
2026-08-10T22:00:00.000Z	108 \| sensitive	17.703 \| fine	78.381 \| fine	73.365 \| moderate	0.288 \| good	1.307 \| good	0.171 \| good
2026-08-10T23:00:00.000Z	93 \| moderate	17.251 \| fine	76.381 \| fine	68.252 \| fine	0.299 \| good	2.031 \| good	0.176 \| good
2026-08-11T00:00:00.000Z	90 \| moderate	18.89 \| fine	83.209 \| fine	67.241 \| fine	0.289 \| good	1.902 \| good	0.171 \| good
2026-08-11T01:00:00.000Z	93 \| moderate	19.261 \| fine	85.026 \| fine	68.072 \| fine	0.296 \| good	2.605 \| good	0.175 \| good
2026-08-11T02:00:00.000Z	77 \| moderate	18.341 \| fine	81.19 \| fine	62.569 \| fine	0.297 \| good	4.573 \| good	0.187 \| good
2026-08-11T03:00:00.000Z	67 \| moderate	18.324 \| fine	80.9 \| fine	56.732 \| fine	0.31 \| good	6.295 \| good	0.199 \| good
2026-08-11T04:00:00.000Z	67 \| moderate	17.684 \| fine	78.687 \| fine	54.353 \| good	0.315 \| good	6.945 \| good	0.204 \| good
2026-08-11T05:00:00.000Z	64 \| moderate	16.458 \| fine	73.208 \| fine	54.56 \| good	0.308 \| good	7.117 \| good	0.205 \| good
2026-08-11T06:00:00.000Z	62 \| moderate	15.145 \| fine	67.678 \| fine	53.2 \| good	0.29 \| good	7.11 \| good	0.205 \| good
2026-08-11T07:00:00.000Z	58 \| moderate	11.982 \| good	49.489 \| good	56.958 \| fine	0.657 \| good	8.45 \| good	0.196 \| good
2026-08-11T08:00:00.000Z	61 \| moderate	11.106 \| good	49.088 \| good	57.929 \| fine	0.661 \| good	8.606 \| good	0.196 \| good
2026-08-11T09:00:00.000Z	54 \| moderate	10.272 \| good	35.961 \| good	55.707 \| fine	0.668 \| good	9.371 \| good	0.196 \| good
2026-08-11T10:00:00.000Z	52 \| moderate	10.055 \| good	45.117 \| good	53.37 \| good	1.039 \| good	12.963 \| good	0.244 \| good
2026-08-11T11:00:00.000Z	54 \| moderate	11.283 \| good	50.945 \| good	50.512 \| good	0.759 \| good	16.563 \| good	0.244 \| good
2026-08-11T12:00:00.000Z	52 \| moderate	10.122 \| good	36.83 \| good	51.04 \| good	0.981 \| good	23.195 \| good	0.277 \| good
2026-08-11T13:00:00.000Z	54 \| moderate	11.223 \| good	49.382 \| good	48.523 \| good	1.057 \| good	28.887 \| good	0.461 \| good
2026-08-11T14:00:00.000Z	52 \| moderate	10.463 \| good	41.839 \| good	47.936 \| good	0.962 \| good	28.46 \| good	0.412 \| good
2026-08-11T15:00:00.000Z	56 \| moderate	11.78 \| good	42.898 \| good	48.579 \| good	1.335 \| good	25.728 \| good	0.371 \| good
2026-08-11T16:00:00.000Z	56 \| moderate	11.53 \| good	50.381 \| good	52.567 \| good	1.332 \| good	24.106 \| good	0.317 \| good
2026-08-11T17:00:00.000Z	58 \| moderate	11.693 \| good	51.693 \| good	56.763 \| fine	1.001 \| good	12.467 \| good	0.277 \| good
2026-08-11T18:00:00.000Z	74 \| moderate	11.858 \| good	50.148 \| good	61.559 \| fine	0.728 \| good	9.803 \| good	0.203 \| good
2026-08-11T19:00:00.000Z	87 \| moderate	11.93 \| good	52.179 \| good	66.192 \| fine	0.908 \| good	10.781 \| good	0.244 \| good
2026-08-11T20:00:00.000Z	97 \| moderate	11.931 \| good	52.846 \| good	68.522 \| fine	0.872 \| good	18.701 \| good	0.373 \| good
2026-08-11T21:00:00.000Z	112 \| sensitive	12.715 \| fine	58.041 \| fine	74.255 \| moderate	0.761 \| good	22.549 \| good	0.379 \| good
2026-08-11T22:00:00.000Z	122 \| sensitive	13.412 \| fine	61.323 \| fine	77.282 \| moderate	0.727 \| good	17.267 \| good	0.339 \| good
2026-08-11T23:00:00.000Z	112 \| sensitive	12.072 \| good	49.653 \| good	73.65 \| moderate	0.707 \| good	18.744 \| good	0.379 \| good
2026-08-12T00:00:00.000Z	108 \| sensitive	11.373 \| good	50.673 \| good	72.533 \| moderate	0.632 \| good	14.5 \| good	0.331 \| good
2026-08-12T01:00:00.000Z	97 \| moderate	10.338 \| good	46.993 \| good	69.24 \| fine	0.638 \| good	18.127 \| good	0.365 \| good
2026-08-12T02:00:00.000Z	90 \| moderate	9.931 \| good	44.355 \| good	67.185 \| fine	0.738 \| good	17.846 \| good	0.365 \| good
2026-08-12T03:00:00.000Z	73 \| moderate	21.173 \| fine	93.25 \| fine	52.942 \| good	0.214 \| good	5.568 \| good	0.181 \| good
2026-08-12T04:00:00.000Z	64 \| moderate	9.244 \| good	38.55 \| good	59.106 \| fine	0.565 \| good	16.824 \| good	0.423 \| good
2026-08-12T05:00:00.000Z	64 \| moderate	9.092 \| good	41.998 \| good	59.482 \| fine	0.565 \| good	18.488 \| good	0.336 \| good
2026-08-12T06:00:00.000Z	52 \| moderate	9.615 \| good	42.616 \| good	54.805 \| good	0.557 \| good	16.865 \| good	0.336 \| good
2026-08-12T07:00:00.000Z	52 \| moderate	9.704 \| good	42.771 \| good	52.937 \| good	0.592 \| good	13.583 \| good	0.277 \| good
2026-08-12T08:00:00.000Z	49 \| good	9.304 \| good	41.587 \| good	51.808 \| good	0.646 \| good	13.202 \| good	0.244 \| good
2026-08-12T09:00:00.000Z	50 \| good	8.399 \| good	35.849 \| good	54.201 \| good	0.728 \| good	8.29 \| good	0.244 \| good
2026-08-12T10:00:00.000Z	49 \| good	8.35 \| good	33.022 \| good	52.668 \| good	0.64 \| good	8.842 \| good	0.244 \| good
2026-08-12T11:00:00.000Z	47 \| good	8.127 \| good	31.17 \| good	50.753 \| good	0.674 \| good	11.905 \| good	0.2 \| good
2026-08-12T12:00:00.000Z	45 \| good	7.584 \| good	25.782 \| good	49.389 \| good	0.697 \| good	21.617 \| good	0.387 \| good
2026-08-12T13:00:00.000Z	44 \| good	8.025 \| good	35.63 \| good	47.874 \| good	0.688 \| good	29.646 \| good	0.468 \| good
2026-08-12T14:00:00.000Z	45 \| good	8.347 \| good	36.041 \| good	49.253 \| good	0.856 \| good	34.641 \| good	0.701 \| good
2026-08-12T15:00:00.000Z	49 \| good	9.007 \| good	44.552 \| good	48.499 \| good	1.011 \| good	28.706 \| good	0.508 \| good
2026-08-12T16:00:00.000Z	49 \| good	8.97 \| good	39.011 \| good	52.628 \| good	0.784 \| good	21.771 \| good	0.379 \| good
2026-08-12T17:00:00.000Z	58 \| moderate	9.269 \| good	42.013 \| good	57.169 \| fine	0.957 \| good	13.944 \| good	0.292 \| good
2026-08-12T18:00:00.000Z	58 \| moderate	9.269 \| good	42.013 \| good	57.169 \| fine	0.957 \| good	13.944 \| good	0.292 \| good
2026-08-11T17:00:00.000Z	100 \| moderate	25.454 \| fine	111.316 \| fine	69.911 \| fine	0.325 \| good	1.106 \| good	0.157 \| good
2026-08-11T18:00:00.000Z	119 \| sensitive	25.196 \| fine	109.613 \| fine	75.897 \| moderate	0.269 \| good	0.653 \| good	0.151 \| good
2026-08-11T19:00:00.000Z	119 \| sensitive	23.138 \| fine	101.444 \| fine	75.871 \| moderate	0.252 \| good	0.581 \| good	0.148 \| good
2026-08-11T20:00:00.000Z	105 \| sensitive	22.849 \| fine	99.692 \| fine	72.207 \| moderate	0.251 \| good	0.617 \| good	0.146 \| good
2026-08-11T21:00:00.000Z	101 \| sensitive	21.172 \| fine	93.287 \| fine	71.303 \| moderate	0.239 \| good	0.805 \| good	0.146 \| good
2026-08-11T22:00:00.000Z	97 \| moderate	19.598 \| fine	86.585 \| fine	69.49 \| fine	0.239 \| good	1.131 \| good	0.147 \| good
2026-08-11T23:00:00.000Z	77 \| moderate	17.175 \| fine	76.47 \| fine	63.279 \| fine	0.27 \| good	1.747 \| good	0.154 \| good
2026-08-12T00:00:00.000Z	80 \| moderate	18.28 \| fine	80.574 \| fine	63.991 \| fine	0.272 \| good	2.28 \| good	0.16 \| good
2026-08-12T01:00:00.000Z	67 \| moderate	14.779 \| fine	66.101 \| fine	59.89 \| fine	0.258 \| good	3.484 \| good	0.17 \| good
2026-08-12T02:00:00.000Z	66 \| moderate	17.456 \| fine	77.09 \| fine	56.201 \| fine	0.251 \| good	4.864 \| good	0.18 \| good
2026-08-12T03:00:00.000Z	71 \| moderate	19.901 \| fine	87.732 \| fine	50.681 \| good	0.252 \| good	6.274 \| good	0.189 \| good
2026-08-12T04:00:00.000Z	73 \| moderate	20.674 \| fine	91.194 \| fine	50.558 \| good	0.247 \| good	7.08 \| good	0.194 \| good
2026-08-12T05:00:00.000Z	66 \| moderate	17.477 \| fine	76.938 \| fine	50.644 \| good	0.238 \| good	7.533 \| good	0.196 \| good
2026-08-12T06:00:00.000Z	62 \| moderate	15.075 \| fine	67.634 \| fine	51.921 \| good	0.232 \| good	8.44 \| good	0.204 \| good
2026-08-12T07:00:00.000Z	58 \| moderate	13.342 \| fine	59.987 \| fine	48.453 \| good	0.219 \| good	8.282 \| good	0.207 \| good
2026-08-12T08:00:00.000Z	56 \| moderate	12.248 \| fine	55.172 \| fine	49.013 \| good	0.205 \| good	7.852 \| good	0.204 \| good
2026-08-12T09:00:00.000Z	58 \| moderate	13.02 \| fine	58.053 \| fine	48.188 \| good	0.192 \| good	7.315 \| good	0.2 \| good
2026-08-12T10:00:00.000Z	60 \| moderate	13.851 \| fine	62.209 \| fine	45.294 \| good	0.175 \| good	6.937 \| good	0.195 \| good
2026-08-12T11:00:00.000Z	54 \| moderate	11.202 \| good	49.63 \| good	42.487 \| good	0.159 \| good	6.683 \| good	0.19 \| good
2026-08-12T12:00:00.000Z	56 \| moderate	11.728 \| good	52.298 \| good	38.663 \| good	0.148 \| good	6.582 \| good	0.186 \| good
2026-08-12T13:00:00.000Z	56 \| moderate	12.049 \| good	53.802 \| good	38.082 \| good	0.132 \| good	5.946 \| good	0.183 \| good
2026-08-12T14:00:00.000Z	58 \| moderate	12.637 \| fine	56.362 \| fine	41.038 \| good	0.139 \| good	5.632 \| good	0.186 \| good
2026-08-12T15:00:00.000Z	62 \| moderate	14.641 \| fine	65.268 \| fine	47.862 \| good	0.165 \| good	4.722 \| good	0.174 \| good
2026-08-12T16:00:00.000Z	64 \| moderate	16.191 \| fine	72.053 \| fine	55.203 \| fine	0.232 \| good	2.736 \| good	0.154 \| good
2026-08-12T17:00:00.000Z	87 \| moderate	17.261 \| fine	76.548 \| fine	66.101 \| fine	0.273 \| good	1.489 \| good	0.144 \| good
2026-08-12T18:00:00.000Z	100 \| moderate	17.871 \| fine	79.003 \| fine	69.97 \| fine	0.251 \| good	0.915 \| good	0.139 \| good
2026-08-12T19:00:00.000Z	84 \| moderate	15.827 \| fine	70.41 \| fine	64.911 \| fine	0.225 \| good	0.684 \| good	0.137 \| good
2026-08-12T20:00:00.000Z	61 \| moderate	13.593 \| fine	60.911 \| fine	58.053 \| fine	0.207 \| good	0.65 \| good	0.136 \| good
2026-08-12T21:00:00.000Z	58 \| moderate	13.025 \| fine	58.733 \| fine	56.815 \| fine	0.208 \| good	0.773 \| good	0.137 \| good
2026-08-12T22:00:00.000Z	62 \| moderate	14.936 \| fine	67.045 \| fine	53.079 \| good	0.246 \| good	1.142 \| good	0.139 \| good
2026-08-12T23:00:00.000Z	62 \| moderate	15.144 \| fine	67.565 \| fine	47.387 \| good	0.284 \| good	1.597 \| good	0.141 \| good
2026-08-13T00:00:00.000Z	64 \| moderate	16.451 \| fine	72.896 \| fine	52.417 \| good	0.31 \| good	2.55 \| good	0.148 \| good
2026-08-13T01:00:00.000Z	66 \| moderate	16.572 \| fine	73.766 \| fine	49.38 \| good	0.289 \| good	3.982 \| good	0.16 \| good
2026-08-13T02:00:00.000Z	67 \| moderate	18.277 \| fine	80.676 \| fine	43.219 \| good	0.258 \| good	5.627 \| good	0.173 \| good
2026-08-13T03:00:00.000Z	64 \| moderate	16.415 \| fine	73.148 \| fine	44.631 \| good	0.27 \| good	7.192 \| good	0.184 \| good
2026-08-13T04:00:00.000Z	62 \| moderate	14.926 \| fine	66.835 \| fine	44.1 \| good	0.27 \| good	9.264 \| good	0.196 \| good
2026-08-13T05:00:00.000Z	60 \| moderate	13.917 \| fine	62.174 \| fine	48.647 \| good	0.27 \| good	11.386 \| good	0.21 \| good
2026-08-13T06:00:00.000Z	56 \| moderate	12.119 \| fine	54.105 \| good	50.077 \| good	0.26 \| good	12.264 \| good	0.22 \| good
2026-08-13T07:00:00.000Z	56 \| moderate	12.162 \| fine	54.486 \| good	46.328 \| good	0.239 \| good	12.449 \| good	0.228 \| good
2026-08-13T08:00:00.000Z	54 \| moderate	10.656 \| good	47.086 \| good	42.754 \| good	0.225 \| good	12.263 \| good	0.23 \| good
2026-08-13T09:00:00.000Z	54 \| moderate	11.481 \| good	51.023 \| good	41.901 \| good	0.202 \| good	11.751 \| good	0.228 \| good
2026-08-13T10:00:00.000Z	56 \| moderate	11.613 \| good	51.832 \| good	39.657 \| good	0.171 \| good	11.325 \| good	0.226 \| good
2026-08-13T11:00:00.000Z	58 \| moderate	13.141 \| fine	58.888 \| fine	35.619 \| good	0.148 \| good	10.908 \| good	0.223 \| good
2026-08-13T12:00:00.000Z	67 \| moderate	17.822 \| fine	79.1 \| fine	28.183 \| good	0.132 \| good	10.471 \| good	0.22 \| good
2026-08-13T13:00:00.000Z	66 \| moderate	16.501 \| fine	73.694 \| fine	36.354 \| good	0.144 \| good	7.918 \| good	0.212 \| good
2026-08-13T14:00:00.000Z	62 \| moderate	14.639 \| fine	65.176 \| fine	40.3 \| good	0.165 \| good	6.669 \| good	0.215 \| good
2026-08-13T15:00:00.000Z	62 \| moderate	14.749 \| fine	65.799 \| fine	41.699 \| good	0.253 \| good	5.398 \| good	0.194 \| good
2026-08-13T16:00:00.000Z	66 \| moderate	16.694 \| fine	74.015 \| fine	45.054 \| good	0.375 \| good	3.456 \| good	0.173 \| 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)

Track live Lone Tree, Colorado air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Centennial, Colorado

Castle Pines, Colorado

Highlands Ranch, Colorado

Greenwood Village, Colorado

Parker, Colorado

Littleton, Colorado

How accurate is Colorado, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

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

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

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

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

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

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?

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?

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

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?