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

The PM10 concentration in Lone Tree, Colorado is 80.915 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 0.858 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 20.829 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 14.45 ppb.

Live air quality index in Lone Tree, Colorado today

Name: Live air pollution levels in Lone Tree, Colorado today
Creator: Ambee

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)

20.65 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

54.86 μg/m³

155

255

425

605+

Ozone (O₃)

54.28 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.18 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-05T00:00:00.000Z	80 \| moderate	21.37 \| fine	49.108 \| good	64.246 \| fine	0.465 \| good	10.503 \| good	0.322 \| good
2025-09-05T01:00:00.000Z	67 \| moderate	13.564 \| fine	51.41 \| good	59.85 \| fine	0.362 \| good	12.242 \| good	0.372 \| good
2025-09-05T02:00:00.000Z	84 \| moderate	27.071 \| fine	94.924 \| fine	59.1 \| fine	0.495 \| good	8.047 \| good	0.43 \| good
2025-09-05T03:00:00.000Z	112 \| sensitive	39.893 \| moderate	135.727 \| fine	56.663 \| fine	0.397 \| good	6.61 \| good	0.376 \| good
2025-09-05T04:00:00.000Z	110 \| sensitive	39.298 \| moderate	130.529 \| fine	51.263 \| good	0.392 \| good	9.935 \| good	0.288 \| good
2025-09-05T05:00:00.000Z	122 \| sensitive	44.328 \| moderate	155.417 \| moderate	48.228 \| good	0.392 \| good	8.526 \| good	0.255 \| good
2025-09-05T06:00:00.000Z	110 \| sensitive	39.263 \| moderate	102.226 \| fine	45.884 \| good	0.383 \| good	5.534 \| good	0.255 \| good
2025-09-05T07:00:00.000Z	96 \| moderate	33.12 \| fine	110.926 \| fine	41.918 \| good	0.235 \| good	5.315 \| good	0.207 \| good
2025-09-05T08:00:00.000Z	90 \| moderate	30.432 \| fine	114.034 \| fine	38.616 \| good	0.258 \| good	5.246 \| good	0.207 \| good
2025-09-05T09:00:00.000Z	90 \| moderate	29.877 \| fine	112.326 \| fine	36.138 \| good	0.228 \| good	6.275 \| good	0.255 \| good
2025-09-05T10:00:00.000Z	86 \| moderate	27.519 \| fine	81.133 \| fine	33.231 \| good	0.314 \| good	6.436 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	86 \| moderate	28.026 \| fine	107.244 \| fine	32.02 \| good	0.264 \| good	6.249 \| good	0.233 \| good
2025-09-05T12:00:00.000Z	84 \| moderate	26.559 \| fine	98.759 \| fine	30.775 \| good	0.265 \| good	7.353 \| good	0.233 \| good
2025-09-05T13:00:00.000Z	84 \| moderate	27.126 \| fine	100.626 \| fine	29.153 \| good	0.221 \| good	6.85 \| good	0.233 \| good
2025-09-05T14:00:00.000Z	79 \| moderate	24.222 \| fine	74.842 \| fine	29.428 \| good	0.168 \| good	6.708 \| good	0.2 \| good
2025-09-05T15:00:00.000Z	75 \| moderate	22.491 \| fine	90.149 \| fine	29.771 \| good	0.183 \| good	6.646 \| good	0.255 \| good
2025-09-05T16:00:00.000Z	77 \| moderate	22.801 \| fine	84.099 \| fine	31.445 \| good	0.294 \| good	6.23 \| good	0.288 \| good
2025-09-05T17:00:00.000Z	75 \| moderate	22.01 \| fine	81.743 \| fine	31.299 \| good	0.234 \| good	5.411 \| good	0.248 \| good
2025-09-05T18:00:00.000Z	77 \| moderate	22.898 \| fine	62.197 \| fine	32.265 \| good	0.24 \| good	5.767 \| good	0.255 \| good
2025-09-05T19:00:00.000Z	77 \| moderate	23.048 \| fine	66.446 \| fine	32.576 \| good	0.362 \| good	6.837 \| good	0.248 \| good
2025-09-05T20:00:00.000Z	81 \| moderate	25.189 \| fine	94.657 \| fine	33.88 \| good	0.285 \| good	8.881 \| good	0.336 \| good
2025-09-05T21:00:00.000Z	77 \| moderate	23.364 \| fine	84.878 \| fine	31.989 \| good	0.308 \| good	8.694 \| good	0.362 \| good
2025-09-05T22:00:00.000Z	77 \| moderate	23.2 \| fine	83.202 \| fine	33.056 \| good	0.352 \| good	8.166 \| good	0.248 \| good
2025-09-05T23:00:00.000Z	77 \| moderate	22.706 \| fine	86.676 \| fine	32.25 \| good	0.327 \| good	8.319 \| good	0.255 \| good
2025-09-06T00:00:00.000Z	71 \| moderate	20.124 \| fine	75.057 \| fine	32.251 \| good	0.351 \| good	10.455 \| good	0.303 \| good
2025-09-06T01:00:00.000Z	73 \| moderate	20.825 \| fine	81.383 \| fine	31.582 \| good	0.352 \| good	12.717 \| good	0.398 \| good
2025-09-06T02:00:00.000Z	71 \| moderate	19.718 \| fine	63.305 \| fine	29.507 \| good	0.279 \| good	12.489 \| good	0.446 \| good
2025-09-06T03:00:00.000Z	73 \| moderate	20.542 \| fine	79.148 \| fine	28.636 \| good	0.192 \| good	14.202 \| good	0.486 \| good
2025-09-06T04:00:00.000Z	71 \| moderate	19.782 \| fine	80.152 \| fine	28.733 \| good	0.366 \| good	12.386 \| good	0.39 \| good
2025-09-06T05:00:00.000Z	71 \| moderate	19.605 \| fine	82.466 \| fine	26.453 \| good	0.366 \| good	12.862 \| good	0.526 \| good
2025-09-06T06:00:00.000Z	73 \| moderate	21.19 \| fine	79.598 \| fine	26.668 \| good	0.255 \| good	18.755 \| good	0.567 \| good
2025-09-06T07:00:00.000Z	73 \| moderate	21.247 \| fine	68.216 \| fine	26.011 \| good	0.352 \| good	20.046 \| good	0.567 \| good
2025-09-06T08:00:00.000Z	73 \| moderate	20.67 \| fine	82.05 \| fine	23.022 \| good	0.376 \| good	20.017 \| good	0.48 \| good
2025-09-06T09:00:00.000Z	75 \| moderate	21.826 \| fine	82.518 \| fine	23.999 \| good	0.258 \| good	15.815 \| good	0.432 \| good
2025-09-06T10:00:00.000Z	73 \| moderate	20.852 \| fine	81.437 \| fine	21.474 \| good	0.229 \| good	13.241 \| good	0.362 \| good
2025-09-06T11:00:00.000Z	73 \| moderate	21.192 \| fine	83.381 \| fine	22.662 \| good	0.291 \| good	11.077 \| good	0.281 \| good
2025-09-06T12:00:00.000Z	75 \| moderate	21.782 \| fine	57.959 \| fine	22.984 \| good	0.34 \| good	11.384 \| good	0.281 \| good
2025-09-06T13:00:00.000Z	73 \| moderate	21.204 \| fine	51.441 \| good	21.316 \| good	0.272 \| good	13.634 \| good	0.392 \| good
2025-09-06T14:00:00.000Z	75 \| moderate	21.594 \| fine	80.915 \| fine	20.829 \| good	0.858 \| good	14.45 \| good	0.392 \| good
2025-09-06T15:00:00.000Z	75 \| moderate	21.899 \| fine	82.416 \| fine	22.002 \| good	1.076 \| good	13.492 \| good	0.344 \| good
2025-09-06T16:00:00.000Z	75 \| moderate	21.804 \| fine	76.991 \| fine	25.393 \| good	1.153 \| good	12.437 \| good	0.336 \| good
2025-09-06T17:00:00.000Z	73 \| moderate	20.694 \| fine	81.036 \| fine	27.029 \| good	0.586 \| good	9.206 \| good	0.281 \| good
2025-09-06T18:00:00.000Z	69 \| moderate	18.816 \| fine	53.924 \| good	32.917 \| good	0.351 \| good	7.424 \| good	0.288 \| good
2025-09-06T19:00:00.000Z	69 \| moderate	19.387 \| fine	46.545 \| good	39.094 \| good	0.352 \| good	6.513 \| good	0.288 \| good
2025-09-06T20:00:00.000Z	69 \| moderate	19.316 \| fine	52.2 \| good	45.513 \| good	0.286 \| good	6.416 \| good	0.255 \| good
2025-09-06T21:00:00.000Z	67 \| moderate	18.45 \| fine	67.317 \| fine	50.127 \| good	0.287 \| good	8.206 \| good	0.303 \| good
2025-09-06T22:00:00.000Z	67 \| moderate	18.434 \| fine	44.761 \| good	52.884 \| good	0.309 \| good	7.528 \| good	0.303 \| good
2025-09-06T23:00:00.000Z	73 \| moderate	20.651 \| fine	54.864 \| good	54.278 \| good	0.279 \| good	9.183 \| good	0.35 \| good
2025-09-06T23:00:00.000Z	73 \| moderate	20.651 \| fine	54.864 \| good	54.278 \| good	0.279 \| good	9.183 \| good	0.35 \| good
2025-09-06T16:00:00.000Z	58 \| moderate	13.255 \| fine	59.575 \| fine	43.841 \| good	1.148 \| good	6.202 \| good	0.275 \| good
2025-09-06T17:00:00.000Z	60 \| moderate	14.363 \| fine	64.174 \| fine	47.199 \| good	1.127 \| good	4.198 \| good	0.25 \| good
2025-09-06T18:00:00.000Z	58 \| moderate	13.22 \| fine	59.783 \| fine	48.897 \| good	1.106 \| good	2.195 \| good	0.226 \| good
2025-09-06T19:00:00.000Z	60 \| moderate	13.905 \| fine	61.882 \| fine	50.357 \| good	0.929 \| good	1.787 \| good	0.217 \| good
2025-09-06T20:00:00.000Z	60 \| moderate	13.959 \| fine	62.643 \| fine	50.774 \| good	0.751 \| good	1.379 \| good	0.207 \| good
2025-09-06T21:00:00.000Z	60 \| moderate	14.039 \| fine	63.271 \| fine	50.493 \| good	0.573 \| good	0.972 \| good	0.198 \| good
2025-09-06T22:00:00.000Z	58 \| moderate	13.464 \| fine	60.533 \| fine	52.79 \| good	0.562 \| good	1.374 \| good	0.197 \| good
2025-09-06T23:00:00.000Z	58 \| moderate	13.322 \| fine	60.191 \| fine	49.893 \| good	0.551 \| good	1.776 \| good	0.196 \| good
2025-09-07T00:00:00.000Z	60 \| moderate	13.614 \| fine	61.263 \| fine	49.621 \| good	0.54 \| good	2.178 \| good	0.195 \| good
2025-09-07T01:00:00.000Z	64 \| moderate	15.846 \| fine	70.836 \| fine	49.4 \| good	0.642 \| good	7.975 \| good	0.242 \| good
2025-09-07T02:00:00.000Z	62 \| moderate	15.175 \| fine	67.329 \| fine	42.982 \| good	0.744 \| good	13.772 \| good	0.289 \| good
2025-09-07T03:00:00.000Z	58 \| moderate	12.706 \| fine	57.162 \| fine	41.024 \| good	0.845 \| good	19.569 \| good	0.336 \| good
2025-09-07T04:00:00.000Z	58 \| moderate	12.554 \| fine	56.423 \| fine	39.172 \| good	0.829 \| good	18.689 \| good	0.328 \| good
2025-09-07T05:00:00.000Z	58 \| moderate	13.04 \| fine	58.528 \| fine	35.109 \| good	0.813 \| good	17.809 \| good	0.32 \| good
2025-09-07T06:00:00.000Z	58 \| moderate	13.24 \| fine	59.589 \| fine	34.446 \| good	0.797 \| good	16.929 \| good	0.312 \| good
2025-09-07T07:00:00.000Z	58 \| moderate	12.743 \| fine	57.022 \| fine	34.551 \| good	0.726 \| good	14.781 \| good	0.29 \| good
2025-09-07T08:00:00.000Z	54 \| moderate	11.338 \| good	50.56 \| good	35.246 \| good	0.655 \| good	12.632 \| good	0.269 \| good
2025-09-07T09:00:00.000Z	54 \| moderate	10.91 \| good	48.337 \| good	35.05 \| good	0.583 \| good	10.484 \| good	0.247 \| good
2025-09-07T10:00:00.000Z	54 \| moderate	10.949 \| good	48.629 \| good	31.927 \| good	0.537 \| good	9.695 \| good	0.234 \| good
2025-09-07T11:00:00.000Z	58 \| moderate	13.401 \| fine	60.186 \| fine	32.028 \| good	0.49 \| good	8.906 \| good	0.221 \| good
2025-09-07T12:00:00.000Z	58 \| moderate	12.874 \| fine	57.381 \| fine	30.409 \| good	0.443 \| good	8.117 \| good	0.208 \| good
2025-09-07T13:00:00.000Z	60 \| moderate	13.823 \| fine	61.919 \| fine	26.853 \| good	0.533 \| good	8.073 \| good	0.218 \| good
2025-09-07T14:00:00.000Z	62 \| moderate	14.582 \| fine	65.364 \| fine	29.66 \| good	0.624 \| good	8.028 \| good	0.229 \| good
2025-09-07T15:00:00.000Z	62 \| moderate	14.805 \| fine	66.461 \| fine	34.482 \| good	0.715 \| good	7.984 \| good	0.24 \| good
2025-09-07T16:00:00.000Z	62 \| moderate	15.036 \| fine	67.5 \| fine	41.06 \| good	0.86 \| good	6.036 \| good	0.221 \| good
2025-09-07T17:00:00.000Z	60 \| moderate	14.186 \| fine	63.734 \| fine	48.484 \| good	1.006 \| good	4.088 \| good	0.202 \| good
2025-09-07T18:00:00.000Z	58 \| moderate	13.378 \| fine	60.22 \| fine	51.921 \| good	1.152 \| good	2.139 \| good	0.183 \| good
2025-09-07T19:00:00.000Z	56 \| moderate	12.115 \| fine	54.164 \| good	53.252 \| good	1.005 \| good	1.897 \| good	0.177 \| good
2025-09-07T20:00:00.000Z	54 \| moderate	10.676 \| good	47.462 \| good	53.401 \| good	0.858 \| good	1.656 \| good	0.171 \| good
2025-09-07T21:00:00.000Z	54 \| moderate	9.803 \| good	43.58 \| good	55.602 \| fine	0.712 \| good	1.414 \| good	0.164 \| good
2025-09-07T22:00:00.000Z	50 \| good	9.301 \| good	41.685 \| good	53.843 \| good	0.729 \| good	1.899 \| good	0.166 \| good
2025-09-07T23:00:00.000Z	52 \| moderate	10.374 \| good	46.151 \| good	50.417 \| good	0.746 \| good	2.383 \| good	0.168 \| good
2025-09-08T00:00:00.000Z	52 \| moderate	10.26 \| good	45.598 \| good	50.258 \| good	0.764 \| good	2.868 \| good	0.169 \| good
2025-09-08T01:00:00.000Z	62 \| moderate	15.239 \| fine	67.717 \| fine	47.163 \| good	0.766 \| good	7.53 \| good	0.207 \| good
2025-09-08T02:00:00.000Z	62 \| moderate	15.209 \| fine	67.265 \| fine	42.848 \| good	0.768 \| good	12.193 \| good	0.244 \| good
2025-09-08T03:00:00.000Z	60 \| moderate	14.273 \| fine	63.652 \| fine	41.048 \| good	0.77 \| good	16.855 \| good	0.281 \| good
2025-09-08T04:00:00.000Z	58 \| moderate	12.618 \| fine	56.132 \| fine	41.396 \| good	0.712 \| good	16.554 \| good	0.276 \| good
2025-09-08T05:00:00.000Z	54 \| moderate	10.804 \| good	47.674 \| good	40.483 \| good	0.653 \| good	16.253 \| good	0.272 \| good
2025-09-08T06:00:00.000Z	52 \| moderate	10.482 \| good	46.317 \| good	39.501 \| good	0.595 \| good	15.951 \| good	0.267 \| good
2025-09-08T07:00:00.000Z	54 \| moderate	10.697 \| good	47.251 \| good	39.81 \| good	0.537 \| good	13.99 \| good	0.245 \| good
2025-09-08T08:00:00.000Z	54 \| moderate	11.308 \| good	50.167 \| good	37.614 \| good	0.479 \| good	12.029 \| good	0.224 \| good
2025-09-08T09:00:00.000Z	54 \| moderate	11.335 \| good	50.303 \| good	36.857 \| good	0.421 \| good	10.067 \| good	0.202 \| good
2025-09-08T10:00:00.000Z	54 \| moderate	11.267 \| good	49.792 \| good	34.897 \| good	0.399 \| good	8.789 \| good	0.184 \| good
2025-09-08T11:00:00.000Z	56 \| moderate	11.788 \| good	52.781 \| good	32.021 \| good	0.378 \| good	7.51 \| good	0.166 \| good
2025-09-08T12:00:00.000Z	56 \| moderate	12.182 \| fine	54.036 \| good	28.717 \| good	0.356 \| good	6.232 \| good	0.148 \| good
2025-09-08T13:00:00.000Z	58 \| moderate	12.54 \| fine	56.147 \| fine	28.987 \| good	0.406 \| good	6.263 \| good	0.157 \| good
2025-09-08T14:00:00.000Z	54 \| moderate	11.259 \| good	49.778 \| good	31.932 \| good	0.456 \| good	6.294 \| good	0.165 \| good
2025-09-08T15:00:00.000Z	49 \| good	9.297 \| good	41.375 \| good	37.802 \| good	0.506 \| good	6.325 \| 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

0.39ppm

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 08:00:00 on 2025-09-05.

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 05:00:00 on 2025-09-06.

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

As of now, the AQI in Lone Tree, Colorado is 75, 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 21.594 μg/m³.

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

The PM₁₀ concentration in Lone Tree, Colorado is 80.915 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 0.392 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 0.858 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 20.829 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 14.45 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-05T00:00:00.000Z	80 \| moderate	21.37 \| fine	49.108 \| good	64.246 \| fine	0.465 \| good	10.503 \| good	0.322 \| good
2025-09-05T01:00:00.000Z	67 \| moderate	13.564 \| fine	51.41 \| good	59.85 \| fine	0.362 \| good	12.242 \| good	0.372 \| good
2025-09-05T02:00:00.000Z	84 \| moderate	27.071 \| fine	94.924 \| fine	59.1 \| fine	0.495 \| good	8.047 \| good	0.43 \| good
2025-09-05T03:00:00.000Z	112 \| sensitive	39.893 \| moderate	135.727 \| fine	56.663 \| fine	0.397 \| good	6.61 \| good	0.376 \| good
2025-09-05T04:00:00.000Z	110 \| sensitive	39.298 \| moderate	130.529 \| fine	51.263 \| good	0.392 \| good	9.935 \| good	0.288 \| good
2025-09-05T05:00:00.000Z	122 \| sensitive	44.328 \| moderate	155.417 \| moderate	48.228 \| good	0.392 \| good	8.526 \| good	0.255 \| good
2025-09-05T06:00:00.000Z	110 \| sensitive	39.263 \| moderate	102.226 \| fine	45.884 \| good	0.383 \| good	5.534 \| good	0.255 \| good
2025-09-05T07:00:00.000Z	96 \| moderate	33.12 \| fine	110.926 \| fine	41.918 \| good	0.235 \| good	5.315 \| good	0.207 \| good
2025-09-05T08:00:00.000Z	90 \| moderate	30.432 \| fine	114.034 \| fine	38.616 \| good	0.258 \| good	5.246 \| good	0.207 \| good
2025-09-05T09:00:00.000Z	90 \| moderate	29.877 \| fine	112.326 \| fine	36.138 \| good	0.228 \| good	6.275 \| good	0.255 \| good
2025-09-05T10:00:00.000Z	86 \| moderate	27.519 \| fine	81.133 \| fine	33.231 \| good	0.314 \| good	6.436 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	86 \| moderate	28.026 \| fine	107.244 \| fine	32.02 \| good	0.264 \| good	6.249 \| good	0.233 \| good
2025-09-05T12:00:00.000Z	84 \| moderate	26.559 \| fine	98.759 \| fine	30.775 \| good	0.265 \| good	7.353 \| good	0.233 \| good
2025-09-05T13:00:00.000Z	84 \| moderate	27.126 \| fine	100.626 \| fine	29.153 \| good	0.221 \| good	6.85 \| good	0.233 \| good
2025-09-05T14:00:00.000Z	79 \| moderate	24.222 \| fine	74.842 \| fine	29.428 \| good	0.168 \| good	6.708 \| good	0.2 \| good
2025-09-05T15:00:00.000Z	75 \| moderate	22.491 \| fine	90.149 \| fine	29.771 \| good	0.183 \| good	6.646 \| good	0.255 \| good
2025-09-05T16:00:00.000Z	77 \| moderate	22.801 \| fine	84.099 \| fine	31.445 \| good	0.294 \| good	6.23 \| good	0.288 \| good
2025-09-05T17:00:00.000Z	75 \| moderate	22.01 \| fine	81.743 \| fine	31.299 \| good	0.234 \| good	5.411 \| good	0.248 \| good
2025-09-05T18:00:00.000Z	77 \| moderate	22.898 \| fine	62.197 \| fine	32.265 \| good	0.24 \| good	5.767 \| good	0.255 \| good
2025-09-05T19:00:00.000Z	77 \| moderate	23.048 \| fine	66.446 \| fine	32.576 \| good	0.362 \| good	6.837 \| good	0.248 \| good
2025-09-05T20:00:00.000Z	81 \| moderate	25.189 \| fine	94.657 \| fine	33.88 \| good	0.285 \| good	8.881 \| good	0.336 \| good
2025-09-05T21:00:00.000Z	77 \| moderate	23.364 \| fine	84.878 \| fine	31.989 \| good	0.308 \| good	8.694 \| good	0.362 \| good
2025-09-05T22:00:00.000Z	77 \| moderate	23.2 \| fine	83.202 \| fine	33.056 \| good	0.352 \| good	8.166 \| good	0.248 \| good
2025-09-05T23:00:00.000Z	77 \| moderate	22.706 \| fine	86.676 \| fine	32.25 \| good	0.327 \| good	8.319 \| good	0.255 \| good
2025-09-06T00:00:00.000Z	71 \| moderate	20.124 \| fine	75.057 \| fine	32.251 \| good	0.351 \| good	10.455 \| good	0.303 \| good
2025-09-06T01:00:00.000Z	73 \| moderate	20.825 \| fine	81.383 \| fine	31.582 \| good	0.352 \| good	12.717 \| good	0.398 \| good
2025-09-06T02:00:00.000Z	71 \| moderate	19.718 \| fine	63.305 \| fine	29.507 \| good	0.279 \| good	12.489 \| good	0.446 \| good
2025-09-06T03:00:00.000Z	73 \| moderate	20.542 \| fine	79.148 \| fine	28.636 \| good	0.192 \| good	14.202 \| good	0.486 \| good
2025-09-06T04:00:00.000Z	71 \| moderate	19.782 \| fine	80.152 \| fine	28.733 \| good	0.366 \| good	12.386 \| good	0.39 \| good
2025-09-06T05:00:00.000Z	71 \| moderate	19.605 \| fine	82.466 \| fine	26.453 \| good	0.366 \| good	12.862 \| good	0.526 \| good
2025-09-06T06:00:00.000Z	73 \| moderate	21.19 \| fine	79.598 \| fine	26.668 \| good	0.255 \| good	18.755 \| good	0.567 \| good
2025-09-06T07:00:00.000Z	73 \| moderate	21.247 \| fine	68.216 \| fine	26.011 \| good	0.352 \| good	20.046 \| good	0.567 \| good
2025-09-06T08:00:00.000Z	73 \| moderate	20.67 \| fine	82.05 \| fine	23.022 \| good	0.376 \| good	20.017 \| good	0.48 \| good
2025-09-06T09:00:00.000Z	75 \| moderate	21.826 \| fine	82.518 \| fine	23.999 \| good	0.258 \| good	15.815 \| good	0.432 \| good
2025-09-06T10:00:00.000Z	73 \| moderate	20.852 \| fine	81.437 \| fine	21.474 \| good	0.229 \| good	13.241 \| good	0.362 \| good
2025-09-06T11:00:00.000Z	73 \| moderate	21.192 \| fine	83.381 \| fine	22.662 \| good	0.291 \| good	11.077 \| good	0.281 \| good
2025-09-06T12:00:00.000Z	75 \| moderate	21.782 \| fine	57.959 \| fine	22.984 \| good	0.34 \| good	11.384 \| good	0.281 \| good
2025-09-06T13:00:00.000Z	73 \| moderate	21.204 \| fine	51.441 \| good	21.316 \| good	0.272 \| good	13.634 \| good	0.392 \| good
2025-09-06T14:00:00.000Z	75 \| moderate	21.594 \| fine	80.915 \| fine	20.829 \| good	0.858 \| good	14.45 \| good	0.392 \| good
2025-09-06T15:00:00.000Z	75 \| moderate	21.899 \| fine	82.416 \| fine	22.002 \| good	1.076 \| good	13.492 \| good	0.344 \| good
2025-09-06T16:00:00.000Z	75 \| moderate	21.804 \| fine	76.991 \| fine	25.393 \| good	1.153 \| good	12.437 \| good	0.336 \| good
2025-09-06T17:00:00.000Z	73 \| moderate	20.694 \| fine	81.036 \| fine	27.029 \| good	0.586 \| good	9.206 \| good	0.281 \| good
2025-09-06T18:00:00.000Z	69 \| moderate	18.816 \| fine	53.924 \| good	32.917 \| good	0.351 \| good	7.424 \| good	0.288 \| good
2025-09-06T19:00:00.000Z	69 \| moderate	19.387 \| fine	46.545 \| good	39.094 \| good	0.352 \| good	6.513 \| good	0.288 \| good
2025-09-06T20:00:00.000Z	69 \| moderate	19.316 \| fine	52.2 \| good	45.513 \| good	0.286 \| good	6.416 \| good	0.255 \| good
2025-09-06T21:00:00.000Z	67 \| moderate	18.45 \| fine	67.317 \| fine	50.127 \| good	0.287 \| good	8.206 \| good	0.303 \| good
2025-09-06T22:00:00.000Z	67 \| moderate	18.434 \| fine	44.761 \| good	52.884 \| good	0.309 \| good	7.528 \| good	0.303 \| good
2025-09-06T23:00:00.000Z	73 \| moderate	20.651 \| fine	54.864 \| good	54.278 \| good	0.279 \| good	9.183 \| good	0.35 \| good
2025-09-06T23:00:00.000Z	73 \| moderate	20.651 \| fine	54.864 \| good	54.278 \| good	0.279 \| good	9.183 \| good	0.35 \| good
2025-09-06T16:00:00.000Z	58 \| moderate	13.255 \| fine	59.575 \| fine	43.841 \| good	1.148 \| good	6.202 \| good	0.275 \| good
2025-09-06T17:00:00.000Z	60 \| moderate	14.363 \| fine	64.174 \| fine	47.199 \| good	1.127 \| good	4.198 \| good	0.25 \| good
2025-09-06T18:00:00.000Z	58 \| moderate	13.22 \| fine	59.783 \| fine	48.897 \| good	1.106 \| good	2.195 \| good	0.226 \| good
2025-09-06T19:00:00.000Z	60 \| moderate	13.905 \| fine	61.882 \| fine	50.357 \| good	0.929 \| good	1.787 \| good	0.217 \| good
2025-09-06T20:00:00.000Z	60 \| moderate	13.959 \| fine	62.643 \| fine	50.774 \| good	0.751 \| good	1.379 \| good	0.207 \| good
2025-09-06T21:00:00.000Z	60 \| moderate	14.039 \| fine	63.271 \| fine	50.493 \| good	0.573 \| good	0.972 \| good	0.198 \| good
2025-09-06T22:00:00.000Z	58 \| moderate	13.464 \| fine	60.533 \| fine	52.79 \| good	0.562 \| good	1.374 \| good	0.197 \| good
2025-09-06T23:00:00.000Z	58 \| moderate	13.322 \| fine	60.191 \| fine	49.893 \| good	0.551 \| good	1.776 \| good	0.196 \| good
2025-09-07T00:00:00.000Z	60 \| moderate	13.614 \| fine	61.263 \| fine	49.621 \| good	0.54 \| good	2.178 \| good	0.195 \| good
2025-09-07T01:00:00.000Z	64 \| moderate	15.846 \| fine	70.836 \| fine	49.4 \| good	0.642 \| good	7.975 \| good	0.242 \| good
2025-09-07T02:00:00.000Z	62 \| moderate	15.175 \| fine	67.329 \| fine	42.982 \| good	0.744 \| good	13.772 \| good	0.289 \| good
2025-09-07T03:00:00.000Z	58 \| moderate	12.706 \| fine	57.162 \| fine	41.024 \| good	0.845 \| good	19.569 \| good	0.336 \| good
2025-09-07T04:00:00.000Z	58 \| moderate	12.554 \| fine	56.423 \| fine	39.172 \| good	0.829 \| good	18.689 \| good	0.328 \| good
2025-09-07T05:00:00.000Z	58 \| moderate	13.04 \| fine	58.528 \| fine	35.109 \| good	0.813 \| good	17.809 \| good	0.32 \| good
2025-09-07T06:00:00.000Z	58 \| moderate	13.24 \| fine	59.589 \| fine	34.446 \| good	0.797 \| good	16.929 \| good	0.312 \| good
2025-09-07T07:00:00.000Z	58 \| moderate	12.743 \| fine	57.022 \| fine	34.551 \| good	0.726 \| good	14.781 \| good	0.29 \| good
2025-09-07T08:00:00.000Z	54 \| moderate	11.338 \| good	50.56 \| good	35.246 \| good	0.655 \| good	12.632 \| good	0.269 \| good
2025-09-07T09:00:00.000Z	54 \| moderate	10.91 \| good	48.337 \| good	35.05 \| good	0.583 \| good	10.484 \| good	0.247 \| good
2025-09-07T10:00:00.000Z	54 \| moderate	10.949 \| good	48.629 \| good	31.927 \| good	0.537 \| good	9.695 \| good	0.234 \| good
2025-09-07T11:00:00.000Z	58 \| moderate	13.401 \| fine	60.186 \| fine	32.028 \| good	0.49 \| good	8.906 \| good	0.221 \| good
2025-09-07T12:00:00.000Z	58 \| moderate	12.874 \| fine	57.381 \| fine	30.409 \| good	0.443 \| good	8.117 \| good	0.208 \| good
2025-09-07T13:00:00.000Z	60 \| moderate	13.823 \| fine	61.919 \| fine	26.853 \| good	0.533 \| good	8.073 \| good	0.218 \| good
2025-09-07T14:00:00.000Z	62 \| moderate	14.582 \| fine	65.364 \| fine	29.66 \| good	0.624 \| good	8.028 \| good	0.229 \| good
2025-09-07T15:00:00.000Z	62 \| moderate	14.805 \| fine	66.461 \| fine	34.482 \| good	0.715 \| good	7.984 \| good	0.24 \| good
2025-09-07T16:00:00.000Z	62 \| moderate	15.036 \| fine	67.5 \| fine	41.06 \| good	0.86 \| good	6.036 \| good	0.221 \| good
2025-09-07T17:00:00.000Z	60 \| moderate	14.186 \| fine	63.734 \| fine	48.484 \| good	1.006 \| good	4.088 \| good	0.202 \| good
2025-09-07T18:00:00.000Z	58 \| moderate	13.378 \| fine	60.22 \| fine	51.921 \| good	1.152 \| good	2.139 \| good	0.183 \| good
2025-09-07T19:00:00.000Z	56 \| moderate	12.115 \| fine	54.164 \| good	53.252 \| good	1.005 \| good	1.897 \| good	0.177 \| good
2025-09-07T20:00:00.000Z	54 \| moderate	10.676 \| good	47.462 \| good	53.401 \| good	0.858 \| good	1.656 \| good	0.171 \| good
2025-09-07T21:00:00.000Z	54 \| moderate	9.803 \| good	43.58 \| good	55.602 \| fine	0.712 \| good	1.414 \| good	0.164 \| good
2025-09-07T22:00:00.000Z	50 \| good	9.301 \| good	41.685 \| good	53.843 \| good	0.729 \| good	1.899 \| good	0.166 \| good
2025-09-07T23:00:00.000Z	52 \| moderate	10.374 \| good	46.151 \| good	50.417 \| good	0.746 \| good	2.383 \| good	0.168 \| good
2025-09-08T00:00:00.000Z	52 \| moderate	10.26 \| good	45.598 \| good	50.258 \| good	0.764 \| good	2.868 \| good	0.169 \| good
2025-09-08T01:00:00.000Z	62 \| moderate	15.239 \| fine	67.717 \| fine	47.163 \| good	0.766 \| good	7.53 \| good	0.207 \| good
2025-09-08T02:00:00.000Z	62 \| moderate	15.209 \| fine	67.265 \| fine	42.848 \| good	0.768 \| good	12.193 \| good	0.244 \| good
2025-09-08T03:00:00.000Z	60 \| moderate	14.273 \| fine	63.652 \| fine	41.048 \| good	0.77 \| good	16.855 \| good	0.281 \| good
2025-09-08T04:00:00.000Z	58 \| moderate	12.618 \| fine	56.132 \| fine	41.396 \| good	0.712 \| good	16.554 \| good	0.276 \| good
2025-09-08T05:00:00.000Z	54 \| moderate	10.804 \| good	47.674 \| good	40.483 \| good	0.653 \| good	16.253 \| good	0.272 \| good
2025-09-08T06:00:00.000Z	52 \| moderate	10.482 \| good	46.317 \| good	39.501 \| good	0.595 \| good	15.951 \| good	0.267 \| good
2025-09-08T07:00:00.000Z	54 \| moderate	10.697 \| good	47.251 \| good	39.81 \| good	0.537 \| good	13.99 \| good	0.245 \| good
2025-09-08T08:00:00.000Z	54 \| moderate	11.308 \| good	50.167 \| good	37.614 \| good	0.479 \| good	12.029 \| good	0.224 \| good
2025-09-08T09:00:00.000Z	54 \| moderate	11.335 \| good	50.303 \| good	36.857 \| good	0.421 \| good	10.067 \| good	0.202 \| good
2025-09-08T10:00:00.000Z	54 \| moderate	11.267 \| good	49.792 \| good	34.897 \| good	0.399 \| good	8.789 \| good	0.184 \| good
2025-09-08T11:00:00.000Z	56 \| moderate	11.788 \| good	52.781 \| good	32.021 \| good	0.378 \| good	7.51 \| good	0.166 \| good
2025-09-08T12:00:00.000Z	56 \| moderate	12.182 \| fine	54.036 \| good	28.717 \| good	0.356 \| good	6.232 \| good	0.148 \| good
2025-09-08T13:00:00.000Z	58 \| moderate	12.54 \| fine	56.147 \| fine	28.987 \| good	0.406 \| good	6.263 \| good	0.157 \| good
2025-09-08T14:00:00.000Z	54 \| moderate	11.259 \| good	49.778 \| good	31.932 \| good	0.456 \| good	6.294 \| good	0.165 \| good
2025-09-08T15:00:00.000Z	49 \| good	9.297 \| good	41.375 \| good	37.802 \| good	0.506 \| good	6.325 \| 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)

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

Air quality in nearby cities

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Castle Pines, Colorado

Highlands Ranch, Colorado

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Littleton, Colorado

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Frequently asked questions

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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?

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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?

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?