What is the current level of PM10 in Littleton, Colorado?

Littleton, Colorado currently has a PM10 concentration of 87.31 μg/m3.

What is the current level of sulfur dioxide (SO2) in Littleton, Colorado?

The current sulfur dioxide (SO2) concentration in Littleton, Colorado is 1.154 ppb.

What is the current level of ozone (O3) in Littleton, Colorado?

Littleton, Colorado currently has an ozone (O3) concentration of 26.638 ppm.

What is the current level of nitrogen dioxide (NO2) in Littleton, Colorado?

The current level of nitrogen dioxide (NO2) in Littleton, Colorado is 12.341 ppb.

Current air quality index in Littleton, Colorado today

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

Stay updated with real-time air quality in Littleton, 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

Littleton, Colorado

Last updated: ... (Local time)

Common air pollutants in Littleton, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

78.29 μg/m³

155

255

425

605+

Ozone (O₃)

41.41 ppb

201

201+

Sulfur Dioxide (SO₂)

0.35 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.53 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Littleton, Colorado

Get Live Pollen Counts

Littleton, Colorado

Scroll To Air Quality Map

Track live Littleton, Colorado air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T21:00:00.000Z	84 \| moderate	13.4 \| fine	61 \| fine	65.311 \| fine	0.493 \| good	7.761 \| good	0.261 \| good
2025-09-04T22:00:00.000Z	84 \| moderate	13.4 \| fine	61 \| fine	65.035 \| fine	0.438 \| good	12.919 \| good	0.272 \| good
2025-09-04T23:00:00.000Z	80 \| moderate	13.7 \| fine	61 \| fine	63.521 \| fine	0.388 \| good	8.725 \| good	0.226 \| good
2025-09-05T00:00:00.000Z	84 \| moderate	12.8 \| fine	57 \| fine	64.903 \| fine	0.47 \| good	10.268 \| good	0.317 \| good
2025-09-05T01:00:00.000Z	74 \| moderate	9.9 \| good	44 \| good	61.915 \| fine	0.364 \| good	11.561 \| good	0.365 \| good
2025-09-05T02:00:00.000Z	71 \| moderate	18 \| fine	79 \| fine	61.473 \| fine	0.502 \| good	8.116 \| good	0.429 \| good
2025-09-05T03:00:00.000Z	90 \| moderate	30.3 \| fine	131 \| fine	55.252 \| fine	0.406 \| good	6.945 \| good	0.376 \| good
2025-09-05T04:00:00.000Z	96 \| moderate	33 \| fine	143 \| fine	47.284 \| good	0.397 \| good	10.015 \| good	0.288 \| good
2025-09-05T05:00:00.000Z	99 \| moderate	34.5 \| fine	149 \| fine	44.663 \| good	0.396 \| good	8.626 \| good	0.253 \| good
2025-09-05T06:00:00.000Z	96 \| moderate	32.7 \| fine	141 \| fine	46.466 \| good	0.395 \| good	5.549 \| good	0.253 \| good
2025-09-05T07:00:00.000Z	92 \| moderate	31.1 \| fine	135 \| fine	40.253 \| good	0.234 \| good	5.185 \| good	0.207 \| good
2025-09-05T08:00:00.000Z	90 \| moderate	29.6 \| fine	129 \| fine	38.871 \| good	0.258 \| good	4.965 \| good	0.207 \| good
2025-09-05T09:00:00.000Z	90 \| moderate	29.6 \| fine	129 \| fine	34.647 \| good	0.228 \| good	5.88 \| good	0.253 \| good
2025-09-05T10:00:00.000Z	86 \| moderate	27.5 \| fine	119 \| fine	30.996 \| good	0.309 \| good	6.085 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	84 \| moderate	27 \| fine	117 \| fine	30.178 \| good	0.27 \| good	6.024 \| good	0.236 \| good
2025-09-05T12:00:00.000Z	84 \| moderate	27.3 \| fine	119 \| fine	32.045 \| good	0.269 \| good	7.507 \| good	0.236 \| good
2025-09-05T13:00:00.000Z	84 \| moderate	26.9 \| fine	117 \| fine	30.341 \| good	0.229 \| good	7.135 \| good	0.236 \| good
2025-09-05T14:00:00.000Z	84 \| moderate	26.5 \| fine	115 \| fine	33.335 \| good	0.174 \| good	6.78 \| good	0.2 \| good
2025-09-05T15:00:00.000Z	79 \| moderate	24.1 \| fine	105 \| fine	30.266 \| good	0.184 \| good	6.664 \| good	0.253 \| good
2025-09-05T16:00:00.000Z	77 \| moderate	23.4 \| fine	103 \| fine	34.707 \| good	0.291 \| good	6.252 \| good	0.288 \| good
2025-09-05T17:00:00.000Z	77 \| moderate	23.1 \| fine	101 \| fine	33.282 \| good	0.234 \| good	5.416 \| good	0.246 \| good
2025-09-05T18:00:00.000Z	77 \| moderate	23.4 \| fine	103 \| fine	37.415 \| good	0.243 \| good	5.824 \| good	0.253 \| good
2025-09-05T19:00:00.000Z	79 \| moderate	23.6 \| fine	103 \| fine	36.664 \| good	0.36 \| good	6.685 \| good	0.246 \| good
2025-09-05T20:00:00.000Z	79 \| moderate	24 \| fine	105 \| fine	40.145 \| good	0.285 \| good	8.733 \| good	0.334 \| good
2025-09-05T21:00:00.000Z	79 \| moderate	23.9 \| fine	105 \| fine	40.281 \| good	0.308 \| good	8.4 \| good	0.363 \| good
2025-09-05T22:00:00.000Z	77 \| moderate	22.8 \| fine	101 \| fine	35.836 \| good	0.349 \| good	7.844 \| good	0.246 \| good
2025-09-05T23:00:00.000Z	75 \| moderate	21.5 \| fine	95 \| fine	32.95 \| good	0.327 \| good	8.216 \| good	0.253 \| good
2025-09-06T00:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	37.495 \| good	0.349 \| good	10.287 \| good	0.298 \| good
2025-09-06T01:00:00.000Z	71 \| moderate	19.9 \| fine	87 \| fine	32.13 \| good	0.35 \| good	12.353 \| good	0.39 \| good
2025-09-06T02:00:00.000Z	71 \| moderate	19.6 \| fine	87 \| fine	30.714 \| good	0.277 \| good	12.037 \| good	0.436 \| good
2025-09-06T03:00:00.000Z	71 \| moderate	19.7 \| fine	87 \| fine	27.51 \| good	0.195 \| good	14.487 \| good	0.478 \| good
2025-09-06T04:00:00.000Z	71 \| moderate	19.9 \| fine	87 \| fine	27.164 \| good	0.359 \| good	12.864 \| good	0.386 \| good
2025-09-06T05:00:00.000Z	71 \| moderate	20.2 \| fine	89 \| fine	27.838 \| good	0.36 \| good	13.208 \| good	0.52 \| good
2025-09-06T06:00:00.000Z	75 \| moderate	21.5 \| fine	95 \| fine	26.97 \| good	0.252 \| good	18.365 \| good	0.56 \| good
2025-09-06T07:00:00.000Z	73 \| moderate	21.1 \| fine	93 \| fine	28.371 \| good	0.349 \| good	19.798 \| good	0.56 \| good
2025-09-06T08:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	25.767 \| good	0.373 \| good	19.814 \| good	0.472 \| good
2025-09-06T09:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	24.687 \| good	0.26 \| good	15.325 \| good	0.426 \| good
2025-09-06T10:00:00.000Z	73 \| moderate	20.5 \| fine	91 \| fine	19.757 \| good	0.228 \| good	12.666 \| good	0.363 \| good
2025-09-06T11:00:00.000Z	73 \| moderate	20.5 \| fine	91 \| fine	22.701 \| good	0.287 \| good	10.647 \| good	0.281 \| good
2025-09-06T12:00:00.000Z	71 \| moderate	20.4 \| fine	89 \| fine	24.726 \| good	0.333 \| good	10.879 \| good	0.281 \| good
2025-09-06T13:00:00.000Z	71 \| moderate	20.4 \| fine	89 \| fine	24.583 \| good	0.268 \| good	13 \| good	0.387 \| good
2025-09-06T14:00:00.000Z	71 \| moderate	20.3 \| fine	89 \| fine	26.999 \| good	0.823 \| good	13.638 \| good	0.387 \| good
2025-09-06T15:00:00.000Z	71 \| moderate	20.2 \| fine	89 \| fine	21.789 \| good	1.033 \| good	13.024 \| good	0.342 \| good
2025-09-06T16:00:00.000Z	71 \| moderate	20.4 \| fine	89 \| fine	27.027 \| good	1.169 \| good	12.364 \| good	0.334 \| good
2025-09-06T17:00:00.000Z	71 \| moderate	20 \| fine	89 \| fine	25.001 \| good	0.593 \| good	9.251 \| good	0.281 \| good
2025-09-06T18:00:00.000Z	69 \| moderate	19.1 \| fine	85 \| fine	33.06 \| good	0.352 \| good	7.401 \| good	0.288 \| good
2025-09-06T19:00:00.000Z	69 \| moderate	18.6 \| fine	83 \| fine	41.865 \| good	0.352 \| good	6.534 \| good	0.288 \| good
2025-09-06T20:00:00.000Z	66 \| moderate	17.2 \| fine	77 \| fine	46.941 \| good	0.288 \| good	6.311 \| good	0.253 \| good
2025-09-06T20:00:00.000Z	69 \| moderate	18.631 \| fine	78.288 \| fine	41.406 \| good	0.352 \| good	6.53 \| good	0.288 \| good
2025-09-06T18:00:00.000Z	60 \| moderate	13.558 \| fine	60.945 \| fine	49.914 \| good	0.994 \| good	1.989 \| good	0.215 \| good
2025-09-06T19:00:00.000Z	62 \| moderate	15.077 \| fine	67.914 \| fine	52.983 \| good	0.87 \| good	1.644 \| good	0.208 \| good
2025-09-06T20:00:00.000Z	62 \| moderate	14.988 \| fine	66.892 \| fine	54.931 \| good	0.746 \| good	1.299 \| good	0.202 \| good
2025-09-06T21:00:00.000Z	62 \| moderate	14.63 \| fine	65.062 \| fine	55.205 \| fine	0.621 \| good	0.954 \| good	0.195 \| good
2025-09-06T22:00:00.000Z	61 \| moderate	14.194 \| fine	62.963 \| fine	57.702 \| fine	0.611 \| good	1.374 \| good	0.195 \| good
2025-09-06T23:00:00.000Z	60 \| moderate	13.973 \| fine	62.703 \| fine	54.221 \| good	0.601 \| good	1.794 \| good	0.195 \| good
2025-09-07T00:00:00.000Z	60 \| moderate	14.129 \| fine	63.529 \| fine	52.64 \| good	0.591 \| good	2.214 \| good	0.195 \| good
2025-09-07T01:00:00.000Z	67 \| moderate	17.761 \| fine	78.699 \| fine	46.891 \| good	0.677 \| good	7.674 \| good	0.242 \| good
2025-09-07T02:00:00.000Z	71 \| moderate	19.945 \| fine	88.219 \| fine	38.703 \| good	0.764 \| good	13.134 \| good	0.289 \| good
2025-09-07T03:00:00.000Z	67 \| moderate	17.535 \| fine	77.467 \| fine	38.866 \| good	0.85 \| good	18.594 \| good	0.335 \| good
2025-09-07T04:00:00.000Z	66 \| moderate	17.13 \| fine	75.871 \| fine	39.628 \| good	0.787 \| good	17.317 \| good	0.323 \| good
2025-09-07T05:00:00.000Z	64 \| moderate	15.879 \| fine	70.968 \| fine	36.748 \| good	0.724 \| good	16.039 \| good	0.311 \| good
2025-09-07T06:00:00.000Z	62 \| moderate	15.162 \| fine	67.711 \| fine	35.583 \| good	0.661 \| good	14.762 \| good	0.299 \| good
2025-09-07T07:00:00.000Z	60 \| moderate	14.152 \| fine	63.57 \| fine	35.069 \| good	0.579 \| good	12.483 \| good	0.273 \| good
2025-09-07T08:00:00.000Z	56 \| moderate	12.491 \| fine	55.85 \| fine	34.751 \| good	0.498 \| good	10.203 \| good	0.247 \| good
2025-09-07T09:00:00.000Z	56 \| moderate	12.096 \| good	54.426 \| good	33.736 \| good	0.417 \| good	7.924 \| good	0.221 \| good
2025-09-07T10:00:00.000Z	56 \| moderate	12.37 \| fine	55.825 \| fine	30.486 \| good	0.382 \| good	7.287 \| good	0.21 \| good
2025-09-07T11:00:00.000Z	62 \| moderate	14.645 \| fine	65.011 \| fine	30.267 \| good	0.346 \| good	6.65 \| good	0.198 \| good
2025-09-07T12:00:00.000Z	60 \| moderate	14.361 \| fine	64.557 \| fine	27.143 \| good	0.311 \| good	6.014 \| good	0.187 \| good
2025-09-07T13:00:00.000Z	62 \| moderate	15.368 \| fine	68.553 \| fine	24.486 \| good	0.368 \| good	6.048 \| good	0.196 \| good
2025-09-07T14:00:00.000Z	62 \| moderate	15.022 \| fine	67.196 \| fine	28.937 \| good	0.424 \| good	6.082 \| good	0.205 \| good
2025-09-07T15:00:00.000Z	60 \| moderate	13.805 \| fine	62.497 \| fine	35.327 \| good	0.481 \| good	6.116 \| good	0.214 \| good
2025-09-07T16:00:00.000Z	58 \| moderate	12.99 \| fine	58.549 \| fine	41.321 \| good	0.607 \| good	4.615 \| good	0.198 \| good
2025-09-07T17:00:00.000Z	58 \| moderate	12.904 \| fine	58.033 \| fine	48.126 \| good	0.732 \| good	3.114 \| good	0.183 \| good
2025-09-07T18:00:00.000Z	56 \| moderate	12.24 \| fine	55.356 \| fine	49.642 \| good	0.858 \| good	1.613 \| good	0.168 \| good
2025-09-07T19:00:00.000Z	54 \| moderate	11.428 \| good	50.473 \| good	51.227 \| good	0.78 \| good	1.552 \| good	0.164 \| good
2025-09-07T20:00:00.000Z	52 \| moderate	10.462 \| good	46.218 \| good	53.141 \| good	0.702 \| good	1.492 \| good	0.161 \| good
2025-09-07T21:00:00.000Z	54 \| moderate	9.639 \| good	43.103 \| good	55.527 \| fine	0.624 \| good	1.432 \| good	0.158 \| good
2025-09-07T22:00:00.000Z	52 \| moderate	9.573 \| good	42.681 \| good	54.09 \| good	0.615 \| good	1.854 \| good	0.159 \| good
2025-09-07T23:00:00.000Z	58 \| moderate	12.816 \| fine	57.475 \| fine	51.566 \| good	0.607 \| good	2.277 \| good	0.16 \| good
2025-09-08T00:00:00.000Z	62 \| moderate	14.516 \| fine	64.807 \| fine	50.201 \| good	0.599 \| good	2.7 \| good	0.161 \| good
2025-09-08T01:00:00.000Z	73 \| moderate	20.94 \| fine	92.656 \| fine	44.52 \| good	0.589 \| good	6.716 \| good	0.193 \| good
2025-09-08T02:00:00.000Z	73 \| moderate	20.95 \| fine	91.836 \| fine	41.187 \| good	0.579 \| good	10.732 \| good	0.225 \| good
2025-09-08T03:00:00.000Z	67 \| moderate	17.612 \| fine	78.006 \| fine	40.505 \| good	0.57 \| good	14.748 \| good	0.258 \| good
2025-09-08T04:00:00.000Z	60 \| moderate	14.215 \| fine	63.802 \| fine	42.257 \| good	0.52 \| good	13.987 \| good	0.247 \| good
2025-09-08T05:00:00.000Z	54 \| moderate	11.339 \| good	50.2 \| good	41.976 \| good	0.471 \| good	13.227 \| good	0.237 \| good
2025-09-08T06:00:00.000Z	54 \| moderate	10.636 \| good	47.09 \| good	40.894 \| good	0.421 \| good	12.466 \| good	0.227 \| good
2025-09-08T07:00:00.000Z	54 \| moderate	10.666 \| good	47.203 \| good	41.318 \| good	0.379 \| good	10.87 \| good	0.209 \| good
2025-09-08T08:00:00.000Z	54 \| moderate	11.435 \| good	50.377 \| good	38.605 \| good	0.337 \| good	9.274 \| good	0.191 \| good
2025-09-08T09:00:00.000Z	56 \| moderate	11.591 \| good	51.273 \| good	37.08 \| good	0.295 \| good	7.679 \| good	0.173 \| good
2025-09-08T10:00:00.000Z	54 \| moderate	11.417 \| good	50.587 \| good	35.95 \| good	0.285 \| good	6.762 \| good	0.161 \| good
2025-09-08T11:00:00.000Z	56 \| moderate	11.695 \| good	51.874 \| good	33.626 \| good	0.276 \| good	5.845 \| good	0.148 \| good
2025-09-08T12:00:00.000Z	56 \| moderate	11.788 \| good	52.595 \| good	29.59 \| good	0.266 \| good	4.928 \| good	0.136 \| good
2025-09-08T13:00:00.000Z	56 \| moderate	11.902 \| good	52.841 \| good	29.585 \| good	0.307 \| good	4.951 \| good	0.143 \| good
2025-09-08T14:00:00.000Z	54 \| moderate	10.64 \| good	47.239 \| good	33.159 \| good	0.348 \| good	4.975 \| good	0.151 \| good
2025-09-08T15:00:00.000Z	49 \| good	8.534 \| good	37.503 \| good	39.119 \| good	0.39 \| good	4.998 \| good	0.158 \| good
2025-09-08T16:00:00.000Z	44 \| good	7.906 \| good	34.773 \| good	44.129 \| good	0.409 \| good	3.558 \| good	0.138 \| good
2025-09-08T17:00:00.000Z	49 \| good	8.969 \| good	39.662 \| good	45.995 \| good	0.428 \| good	2.118 \| good	0.118 \| good

Littleton

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Littleton, Colorado

0.34ppm

How accurate is Colorado, USA air quality data?

The air quality data for Colorado, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Littleton, Colorado get updated?

Air quality updates for Littleton, Colorado are available every hour.

What time in the past 24 hours saw the poorest air quality in Littleton, Colorado?

Littleton, Colorado experienced its worst air quality at 09:00:00, 2025-09-05.

When was air quality in Littleton, Colorado the best over the past 24 hours?

The best air quality in Littleton, Colorado was observed at 04:00:00 on 2025-09-06.

What is the air quality in Littleton, Colorado right now?

The air quality in Littleton, Colorado right now is Moderate, with an AQI of 73.

What pollutant is most frequently found in Littleton, Colorado?

In Littleton, Colorado, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Littleton, Colorado is poor?

When air quality in Littleton, Colorado is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Littleton, Colorado right now?

Littleton, Colorado currently has a PM_2.5 concentration of 20.532 μg/m³.

What is the current level of PM₁₀ in Littleton, Colorado?

Littleton, Colorado currently has a PM₁₀ concentration of 87.31 μg/m³.

What is the current level of carbon monoxide (CO) in Littleton, Colorado?

The current carbon monoxide (CO) level in Littleton, Colorado is 0.335 ppm.

What is the current level of sulfur dioxide (SO₂) in Littleton, Colorado?

The current sulfur dioxide (SO₂) concentration in Littleton, Colorado is 1.154 ppb.

What is the current level of ozone (O₃) in Littleton, Colorado?

Littleton, Colorado currently has an ozone (O₃) concentration of 26.638 ppm.

What is the current level of nitrogen dioxide (NO₂) in Littleton, Colorado?

The current level of nitrogen dioxide (NO₂) in Littleton, Colorado is 12.341 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T21:00:00.000Z	84 \| moderate	13.4 \| fine	61 \| fine	65.311 \| fine	0.493 \| good	7.761 \| good	0.261 \| good
2025-09-04T22:00:00.000Z	84 \| moderate	13.4 \| fine	61 \| fine	65.035 \| fine	0.438 \| good	12.919 \| good	0.272 \| good
2025-09-04T23:00:00.000Z	80 \| moderate	13.7 \| fine	61 \| fine	63.521 \| fine	0.388 \| good	8.725 \| good	0.226 \| good
2025-09-05T00:00:00.000Z	84 \| moderate	12.8 \| fine	57 \| fine	64.903 \| fine	0.47 \| good	10.268 \| good	0.317 \| good
2025-09-05T01:00:00.000Z	74 \| moderate	9.9 \| good	44 \| good	61.915 \| fine	0.364 \| good	11.561 \| good	0.365 \| good
2025-09-05T02:00:00.000Z	71 \| moderate	18 \| fine	79 \| fine	61.473 \| fine	0.502 \| good	8.116 \| good	0.429 \| good
2025-09-05T03:00:00.000Z	90 \| moderate	30.3 \| fine	131 \| fine	55.252 \| fine	0.406 \| good	6.945 \| good	0.376 \| good
2025-09-05T04:00:00.000Z	96 \| moderate	33 \| fine	143 \| fine	47.284 \| good	0.397 \| good	10.015 \| good	0.288 \| good
2025-09-05T05:00:00.000Z	99 \| moderate	34.5 \| fine	149 \| fine	44.663 \| good	0.396 \| good	8.626 \| good	0.253 \| good
2025-09-05T06:00:00.000Z	96 \| moderate	32.7 \| fine	141 \| fine	46.466 \| good	0.395 \| good	5.549 \| good	0.253 \| good
2025-09-05T07:00:00.000Z	92 \| moderate	31.1 \| fine	135 \| fine	40.253 \| good	0.234 \| good	5.185 \| good	0.207 \| good
2025-09-05T08:00:00.000Z	90 \| moderate	29.6 \| fine	129 \| fine	38.871 \| good	0.258 \| good	4.965 \| good	0.207 \| good
2025-09-05T09:00:00.000Z	90 \| moderate	29.6 \| fine	129 \| fine	34.647 \| good	0.228 \| good	5.88 \| good	0.253 \| good
2025-09-05T10:00:00.000Z	86 \| moderate	27.5 \| fine	119 \| fine	30.996 \| good	0.309 \| good	6.085 \| good	0.2 \| good
2025-09-05T11:00:00.000Z	84 \| moderate	27 \| fine	117 \| fine	30.178 \| good	0.27 \| good	6.024 \| good	0.236 \| good
2025-09-05T12:00:00.000Z	84 \| moderate	27.3 \| fine	119 \| fine	32.045 \| good	0.269 \| good	7.507 \| good	0.236 \| good
2025-09-05T13:00:00.000Z	84 \| moderate	26.9 \| fine	117 \| fine	30.341 \| good	0.229 \| good	7.135 \| good	0.236 \| good
2025-09-05T14:00:00.000Z	84 \| moderate	26.5 \| fine	115 \| fine	33.335 \| good	0.174 \| good	6.78 \| good	0.2 \| good
2025-09-05T15:00:00.000Z	79 \| moderate	24.1 \| fine	105 \| fine	30.266 \| good	0.184 \| good	6.664 \| good	0.253 \| good
2025-09-05T16:00:00.000Z	77 \| moderate	23.4 \| fine	103 \| fine	34.707 \| good	0.291 \| good	6.252 \| good	0.288 \| good
2025-09-05T17:00:00.000Z	77 \| moderate	23.1 \| fine	101 \| fine	33.282 \| good	0.234 \| good	5.416 \| good	0.246 \| good
2025-09-05T18:00:00.000Z	77 \| moderate	23.4 \| fine	103 \| fine	37.415 \| good	0.243 \| good	5.824 \| good	0.253 \| good
2025-09-05T19:00:00.000Z	79 \| moderate	23.6 \| fine	103 \| fine	36.664 \| good	0.36 \| good	6.685 \| good	0.246 \| good
2025-09-05T20:00:00.000Z	79 \| moderate	24 \| fine	105 \| fine	40.145 \| good	0.285 \| good	8.733 \| good	0.334 \| good
2025-09-05T21:00:00.000Z	79 \| moderate	23.9 \| fine	105 \| fine	40.281 \| good	0.308 \| good	8.4 \| good	0.363 \| good
2025-09-05T22:00:00.000Z	77 \| moderate	22.8 \| fine	101 \| fine	35.836 \| good	0.349 \| good	7.844 \| good	0.246 \| good
2025-09-05T23:00:00.000Z	75 \| moderate	21.5 \| fine	95 \| fine	32.95 \| good	0.327 \| good	8.216 \| good	0.253 \| good
2025-09-06T00:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	37.495 \| good	0.349 \| good	10.287 \| good	0.298 \| good
2025-09-06T01:00:00.000Z	71 \| moderate	19.9 \| fine	87 \| fine	32.13 \| good	0.35 \| good	12.353 \| good	0.39 \| good
2025-09-06T02:00:00.000Z	71 \| moderate	19.6 \| fine	87 \| fine	30.714 \| good	0.277 \| good	12.037 \| good	0.436 \| good
2025-09-06T03:00:00.000Z	71 \| moderate	19.7 \| fine	87 \| fine	27.51 \| good	0.195 \| good	14.487 \| good	0.478 \| good
2025-09-06T04:00:00.000Z	71 \| moderate	19.9 \| fine	87 \| fine	27.164 \| good	0.359 \| good	12.864 \| good	0.386 \| good
2025-09-06T05:00:00.000Z	71 \| moderate	20.2 \| fine	89 \| fine	27.838 \| good	0.36 \| good	13.208 \| good	0.52 \| good
2025-09-06T06:00:00.000Z	75 \| moderate	21.5 \| fine	95 \| fine	26.97 \| good	0.252 \| good	18.365 \| good	0.56 \| good
2025-09-06T07:00:00.000Z	73 \| moderate	21.1 \| fine	93 \| fine	28.371 \| good	0.349 \| good	19.798 \| good	0.56 \| good
2025-09-06T08:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	25.767 \| good	0.373 \| good	19.814 \| good	0.472 \| good
2025-09-06T09:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	24.687 \| good	0.26 \| good	15.325 \| good	0.426 \| good
2025-09-06T10:00:00.000Z	73 \| moderate	20.5 \| fine	91 \| fine	19.757 \| good	0.228 \| good	12.666 \| good	0.363 \| good
2025-09-06T11:00:00.000Z	73 \| moderate	20.5 \| fine	91 \| fine	22.701 \| good	0.287 \| good	10.647 \| good	0.281 \| good
2025-09-06T12:00:00.000Z	71 \| moderate	20.4 \| fine	89 \| fine	24.726 \| good	0.333 \| good	10.879 \| good	0.281 \| good
2025-09-06T13:00:00.000Z	71 \| moderate	20.4 \| fine	89 \| fine	24.583 \| good	0.268 \| good	13 \| good	0.387 \| good
2025-09-06T14:00:00.000Z	71 \| moderate	20.3 \| fine	89 \| fine	26.999 \| good	0.823 \| good	13.638 \| good	0.387 \| good
2025-09-06T15:00:00.000Z	71 \| moderate	20.2 \| fine	89 \| fine	21.789 \| good	1.033 \| good	13.024 \| good	0.342 \| good
2025-09-06T16:00:00.000Z	71 \| moderate	20.4 \| fine	89 \| fine	27.027 \| good	1.169 \| good	12.364 \| good	0.334 \| good
2025-09-06T17:00:00.000Z	71 \| moderate	20 \| fine	89 \| fine	25.001 \| good	0.593 \| good	9.251 \| good	0.281 \| good
2025-09-06T18:00:00.000Z	69 \| moderate	19.1 \| fine	85 \| fine	33.06 \| good	0.352 \| good	7.401 \| good	0.288 \| good
2025-09-06T19:00:00.000Z	69 \| moderate	18.6 \| fine	83 \| fine	41.865 \| good	0.352 \| good	6.534 \| good	0.288 \| good
2025-09-06T20:00:00.000Z	66 \| moderate	17.2 \| fine	77 \| fine	46.941 \| good	0.288 \| good	6.311 \| good	0.253 \| good
2025-09-06T20:00:00.000Z	69 \| moderate	18.631 \| fine	78.288 \| fine	41.406 \| good	0.352 \| good	6.53 \| good	0.288 \| good
2025-09-06T18:00:00.000Z	60 \| moderate	13.558 \| fine	60.945 \| fine	49.914 \| good	0.994 \| good	1.989 \| good	0.215 \| good
2025-09-06T19:00:00.000Z	62 \| moderate	15.077 \| fine	67.914 \| fine	52.983 \| good	0.87 \| good	1.644 \| good	0.208 \| good
2025-09-06T20:00:00.000Z	62 \| moderate	14.988 \| fine	66.892 \| fine	54.931 \| good	0.746 \| good	1.299 \| good	0.202 \| good
2025-09-06T21:00:00.000Z	62 \| moderate	14.63 \| fine	65.062 \| fine	55.205 \| fine	0.621 \| good	0.954 \| good	0.195 \| good
2025-09-06T22:00:00.000Z	61 \| moderate	14.194 \| fine	62.963 \| fine	57.702 \| fine	0.611 \| good	1.374 \| good	0.195 \| good
2025-09-06T23:00:00.000Z	60 \| moderate	13.973 \| fine	62.703 \| fine	54.221 \| good	0.601 \| good	1.794 \| good	0.195 \| good
2025-09-07T00:00:00.000Z	60 \| moderate	14.129 \| fine	63.529 \| fine	52.64 \| good	0.591 \| good	2.214 \| good	0.195 \| good
2025-09-07T01:00:00.000Z	67 \| moderate	17.761 \| fine	78.699 \| fine	46.891 \| good	0.677 \| good	7.674 \| good	0.242 \| good
2025-09-07T02:00:00.000Z	71 \| moderate	19.945 \| fine	88.219 \| fine	38.703 \| good	0.764 \| good	13.134 \| good	0.289 \| good
2025-09-07T03:00:00.000Z	67 \| moderate	17.535 \| fine	77.467 \| fine	38.866 \| good	0.85 \| good	18.594 \| good	0.335 \| good
2025-09-07T04:00:00.000Z	66 \| moderate	17.13 \| fine	75.871 \| fine	39.628 \| good	0.787 \| good	17.317 \| good	0.323 \| good
2025-09-07T05:00:00.000Z	64 \| moderate	15.879 \| fine	70.968 \| fine	36.748 \| good	0.724 \| good	16.039 \| good	0.311 \| good
2025-09-07T06:00:00.000Z	62 \| moderate	15.162 \| fine	67.711 \| fine	35.583 \| good	0.661 \| good	14.762 \| good	0.299 \| good
2025-09-07T07:00:00.000Z	60 \| moderate	14.152 \| fine	63.57 \| fine	35.069 \| good	0.579 \| good	12.483 \| good	0.273 \| good
2025-09-07T08:00:00.000Z	56 \| moderate	12.491 \| fine	55.85 \| fine	34.751 \| good	0.498 \| good	10.203 \| good	0.247 \| good
2025-09-07T09:00:00.000Z	56 \| moderate	12.096 \| good	54.426 \| good	33.736 \| good	0.417 \| good	7.924 \| good	0.221 \| good
2025-09-07T10:00:00.000Z	56 \| moderate	12.37 \| fine	55.825 \| fine	30.486 \| good	0.382 \| good	7.287 \| good	0.21 \| good
2025-09-07T11:00:00.000Z	62 \| moderate	14.645 \| fine	65.011 \| fine	30.267 \| good	0.346 \| good	6.65 \| good	0.198 \| good
2025-09-07T12:00:00.000Z	60 \| moderate	14.361 \| fine	64.557 \| fine	27.143 \| good	0.311 \| good	6.014 \| good	0.187 \| good
2025-09-07T13:00:00.000Z	62 \| moderate	15.368 \| fine	68.553 \| fine	24.486 \| good	0.368 \| good	6.048 \| good	0.196 \| good
2025-09-07T14:00:00.000Z	62 \| moderate	15.022 \| fine	67.196 \| fine	28.937 \| good	0.424 \| good	6.082 \| good	0.205 \| good
2025-09-07T15:00:00.000Z	60 \| moderate	13.805 \| fine	62.497 \| fine	35.327 \| good	0.481 \| good	6.116 \| good	0.214 \| good
2025-09-07T16:00:00.000Z	58 \| moderate	12.99 \| fine	58.549 \| fine	41.321 \| good	0.607 \| good	4.615 \| good	0.198 \| good
2025-09-07T17:00:00.000Z	58 \| moderate	12.904 \| fine	58.033 \| fine	48.126 \| good	0.732 \| good	3.114 \| good	0.183 \| good
2025-09-07T18:00:00.000Z	56 \| moderate	12.24 \| fine	55.356 \| fine	49.642 \| good	0.858 \| good	1.613 \| good	0.168 \| good
2025-09-07T19:00:00.000Z	54 \| moderate	11.428 \| good	50.473 \| good	51.227 \| good	0.78 \| good	1.552 \| good	0.164 \| good
2025-09-07T20:00:00.000Z	52 \| moderate	10.462 \| good	46.218 \| good	53.141 \| good	0.702 \| good	1.492 \| good	0.161 \| good
2025-09-07T21:00:00.000Z	54 \| moderate	9.639 \| good	43.103 \| good	55.527 \| fine	0.624 \| good	1.432 \| good	0.158 \| good
2025-09-07T22:00:00.000Z	52 \| moderate	9.573 \| good	42.681 \| good	54.09 \| good	0.615 \| good	1.854 \| good	0.159 \| good
2025-09-07T23:00:00.000Z	58 \| moderate	12.816 \| fine	57.475 \| fine	51.566 \| good	0.607 \| good	2.277 \| good	0.16 \| good
2025-09-08T00:00:00.000Z	62 \| moderate	14.516 \| fine	64.807 \| fine	50.201 \| good	0.599 \| good	2.7 \| good	0.161 \| good
2025-09-08T01:00:00.000Z	73 \| moderate	20.94 \| fine	92.656 \| fine	44.52 \| good	0.589 \| good	6.716 \| good	0.193 \| good
2025-09-08T02:00:00.000Z	73 \| moderate	20.95 \| fine	91.836 \| fine	41.187 \| good	0.579 \| good	10.732 \| good	0.225 \| good
2025-09-08T03:00:00.000Z	67 \| moderate	17.612 \| fine	78.006 \| fine	40.505 \| good	0.57 \| good	14.748 \| good	0.258 \| good
2025-09-08T04:00:00.000Z	60 \| moderate	14.215 \| fine	63.802 \| fine	42.257 \| good	0.52 \| good	13.987 \| good	0.247 \| good
2025-09-08T05:00:00.000Z	54 \| moderate	11.339 \| good	50.2 \| good	41.976 \| good	0.471 \| good	13.227 \| good	0.237 \| good
2025-09-08T06:00:00.000Z	54 \| moderate	10.636 \| good	47.09 \| good	40.894 \| good	0.421 \| good	12.466 \| good	0.227 \| good
2025-09-08T07:00:00.000Z	54 \| moderate	10.666 \| good	47.203 \| good	41.318 \| good	0.379 \| good	10.87 \| good	0.209 \| good
2025-09-08T08:00:00.000Z	54 \| moderate	11.435 \| good	50.377 \| good	38.605 \| good	0.337 \| good	9.274 \| good	0.191 \| good
2025-09-08T09:00:00.000Z	56 \| moderate	11.591 \| good	51.273 \| good	37.08 \| good	0.295 \| good	7.679 \| good	0.173 \| good
2025-09-08T10:00:00.000Z	54 \| moderate	11.417 \| good	50.587 \| good	35.95 \| good	0.285 \| good	6.762 \| good	0.161 \| good
2025-09-08T11:00:00.000Z	56 \| moderate	11.695 \| good	51.874 \| good	33.626 \| good	0.276 \| good	5.845 \| good	0.148 \| good
2025-09-08T12:00:00.000Z	56 \| moderate	11.788 \| good	52.595 \| good	29.59 \| good	0.266 \| good	4.928 \| good	0.136 \| good
2025-09-08T13:00:00.000Z	56 \| moderate	11.902 \| good	52.841 \| good	29.585 \| good	0.307 \| good	4.951 \| good	0.143 \| good
2025-09-08T14:00:00.000Z	54 \| moderate	10.64 \| good	47.239 \| good	33.159 \| good	0.348 \| good	4.975 \| good	0.151 \| good
2025-09-08T15:00:00.000Z	49 \| good	8.534 \| good	37.503 \| good	39.119 \| good	0.39 \| good	4.998 \| good	0.158 \| good
2025-09-08T16:00:00.000Z	44 \| good	7.906 \| good	34.773 \| good	44.129 \| good	0.409 \| good	3.558 \| good	0.138 \| good
2025-09-08T17:00:00.000Z	49 \| good	8.969 \| good	39.662 \| good	45.995 \| good	0.428 \| good	2.118 \| good	0.118 \| good

Current air quality index in Littleton, Colorado today

Common air pollutants in Littleton, Colorado

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near Littleton, Colorado

Air quality in nearby cities

Englewood, Colorado

Columbine, Colorado

Greenwood Village, Colorado

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Ken Caryl, Colorado

Lakewood, Colorado

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Frequently asked questions

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What is the PM2.5 concentration in Littleton, Colorado right now?

What is the current level of PM10 in Littleton, Colorado?

What is the current level of carbon monoxide (CO) in Littleton, Colorado?

What is the current level of sulfur dioxide (SO2) in Littleton, Colorado?

What is the current level of ozone (O3) in Littleton, Colorado?

What is the current level of nitrogen dioxide (NO2) in Littleton, Colorado?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Littleton, Colorado right now?

What is the current level of PM₁₀ in Littleton, Colorado?

What is the current level of sulfur dioxide (SO₂) in Littleton, Colorado?

What is the current level of ozone (O₃) in Littleton, Colorado?

What is the current level of nitrogen dioxide (NO₂) in Littleton, Colorado?