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

Littleton, Colorado currently has a PM10 concentration of 16.489 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Littleton, Colorado is 0.475 ppb.

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

Littleton, Colorado currently has an ozone (O3) concentration of 31.895 ppm.

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

The current level of nitrogen dioxide (NO2) in Littleton, Colorado is 10.923 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)

Good

Littleton, Colorado

Last updated: ... (Local time)

Major air pollutants in Littleton, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.96 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.49 μg/m³

155

255

425

605+

Ozone (O₃)

31.89 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 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
2025-06-04T09:00:00.000Z	29 \| good	3 \| good	12 \| good	30.544 \| good	0.338 \| good	5.121 \| good	0.185 \| good
2025-06-04T10:00:00.000Z	31 \| good	2 \| good	8 \| good	33.649 \| good	0.382 \| good	8.168 \| good	0.15 \| good
2025-06-04T11:00:00.000Z	25 \| good	2.1 \| good	9 \| good	26.777 \| good	0.412 \| good	13.49 \| good	0.185 \| good
2025-06-04T12:00:00.000Z	31 \| good	2.3 \| good	10 \| good	33.815 \| good	0.5 \| good	12.634 \| good	0.238 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	9.986 \| good	44.143 \| good	20.638 \| good	0.336 \| good	1.669 \| good	0.14 \| good
2025-06-04T14:00:00.000Z	22 \| good	3.3 \| good	15 \| good	24.347 \| good	0.598 \| good	17.967 \| good	0.419 \| good
2025-06-04T15:00:00.000Z	24 \| good	4.2 \| good	19 \| good	25.688 \| good	0.635 \| good	15.892 \| good	0.409 \| good
2025-06-04T16:00:00.000Z	30 \| good	5.4 \| good	23 \| good	31.507 \| good	0.625 \| good	14.039 \| good	0.365 \| good
2025-06-04T17:00:00.000Z	33 \| good	6.3 \| good	28 \| good	30.103 \| good	0.518 \| good	13.033 \| good	0.365 \| good
2025-06-04T18:00:00.000Z	38 \| good	7.3 \| good	32 \| good	37.367 \| good	0.489 \| good	11.987 \| good	0.284 \| good
2025-06-04T19:00:00.000Z	44 \| good	8.4 \| good	37 \| good	39.135 \| good	0.477 \| good	9.37 \| good	0.238 \| good
2025-06-04T20:00:00.000Z	49 \| good	8.8 \| good	39 \| good	43.235 \| good	0.535 \| good	10.873 \| good	0.238 \| good
2025-06-04T21:00:00.000Z	49 \| good	8.7 \| good	38 \| good	44.8 \| good	0.672 \| good	10.954 \| good	0.325 \| good
2025-06-04T22:00:00.000Z	46 \| good	7.5 \| good	33 \| good	50.128 \| good	0.903 \| good	9.141 \| good	0.239 \| good
2025-06-04T23:00:00.000Z	46 \| good	5.9 \| good	27 \| good	49.994 \| good	0.797 \| good	11.314 \| good	0.287 \| good
2025-06-05T00:00:00.000Z	38 \| good	6.5 \| good	29 \| good	41.183 \| good	0.689 \| good	9.979 \| good	0.292 \| good
2025-06-05T01:00:00.000Z	42 \| good	5.4 \| good	23 \| good	44.916 \| good	0.469 \| good	4.722 \| good	0.238 \| good
2025-06-05T02:00:00.000Z	42 \| good	4.5 \| good	20 \| good	44.541 \| good	0.434 \| good	5.816 \| good	0.238 \| good
2025-06-05T03:00:00.000Z	38 \| good	4 \| good	18 \| good	40.915 \| good	0.498 \| good	13.318 \| good	0.33 \| good
2025-06-05T04:00:00.000Z	32 \| good	3.6 \| good	16 \| good	34.738 \| good	0.47 \| good	7.129 \| good	0.29 \| good
2025-06-05T05:00:00.000Z	34 \| good	3.7 \| good	16 \| good	37.095 \| good	0.649 \| good	12.45 \| good	0.336 \| good
2025-06-05T06:00:00.000Z	31 \| good	3.7 \| good	16 \| good	34.459 \| good	0.603 \| good	13.96 \| good	0.291 \| good
2025-06-05T07:00:00.000Z	33 \| good	3.7 \| good	16 \| good	35.594 \| good	0.493 \| good	5.431 \| good	0.185 \| good
2025-06-05T08:00:00.000Z	26 \| good	4.3 \| good	19 \| good	28.483 \| good	0.539 \| good	12.29 \| good	0.231 \| good
2025-06-05T09:00:00.000Z	22 \| good	4.3 \| good	19 \| good	22.242 \| good	0.598 \| good	11.994 \| good	0.231 \| good
2025-06-05T10:00:00.000Z	27 \| good	5.2 \| good	23 \| good	24.892 \| good	0.534 \| good	8.773 \| good	0.185 \| good
2025-06-05T11:00:00.000Z	27 \| good	5.1 \| good	22 \| good	26.415 \| good	0.478 \| good	6.011 \| good	0.231 \| good
2025-06-05T12:00:00.000Z	33 \| good	5.5 \| good	24 \| good	22.879 \| good	0.477 \| good	6.671 \| good	0.337 \| good
2025-06-05T13:00:00.000Z	33 \| good	5.8 \| good	25 \| good	23.908 \| good	0.444 \| good	16.574 \| good	0.465 \| good
2025-06-05T14:00:00.000Z	33 \| good	5.7 \| good	25 \| good	27.347 \| good	0.555 \| good	14.77 \| good	0.383 \| good
2025-06-05T15:00:00.000Z	33 \| good	5.7 \| good	25 \| good	27.58 \| good	0.556 \| good	12.612 \| good	0.292 \| good
2025-06-05T16:00:00.000Z	44 \| good	7.7 \| good	34 \| good	29.683 \| good	0.558 \| good	11.927 \| good	0.327 \| good
2025-06-05T17:00:00.000Z	54 \| moderate	11.2 \| good	50 \| good	30.998 \| good	0.579 \| good	11.74 \| good	0.319 \| good
2025-06-05T18:00:00.000Z	60 \| moderate	14.2 \| fine	63 \| fine	35.882 \| good	0.577 \| good	10.55 \| good	0.277 \| good
2025-06-05T19:00:00.000Z	62 \| moderate	14.8 \| fine	67 \| fine	42.375 \| good	0.749 \| good	11.923 \| good	0.319 \| good
2025-06-05T20:00:00.000Z	58 \| moderate	13.2 \| fine	59 \| fine	42.301 \| good	1.006 \| good	11.018 \| good	0.284 \| good
2025-06-05T21:00:00.000Z	56 \| moderate	12 \| good	54 \| good	43.64 \| good	0.624 \| good	12.865 \| good	0.292 \| good
2025-06-05T22:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	42.266 \| good	0.754 \| good	10.528 \| good	0.246 \| good
2025-06-05T23:00:00.000Z	40 \| good	7.3 \| good	32 \| good	43.261 \| good	0.534 \| good	7.16 \| good	0.199 \| good
2025-06-06T00:00:00.000Z	38 \| good	5.5 \| good	24 \| good	40.757 \| good	0.453 \| good	7.419 \| good	0.2 \| good
2025-06-06T01:00:00.000Z	37 \| good	4.1 \| good	18 \| good	40.059 \| good	0.439 \| good	7.891 \| good	0.246 \| good
2025-06-06T02:00:00.000Z	35 \| good	3.3 \| good	15 \| good	38.488 \| good	0.435 \| good	12.424 \| good	0.284 \| good
2025-06-06T03:00:00.000Z	36 \| good	2.5 \| good	10 \| good	39.466 \| good	0.454 \| good	13.125 \| good	0.284 \| good
2025-06-06T04:00:00.000Z	37 \| good	2.1 \| good	9 \| good	39.898 \| good	0.425 \| good	14.775 \| good	0.284 \| good
2025-06-06T05:00:00.000Z	31 \| good	2.2 \| good	9 \| good	33.975 \| good	0.478 \| good	17.749 \| good	0.274 \| good
2025-06-06T06:00:00.000Z	30 \| good	2.5 \| good	10 \| good	32.39 \| good	0.478 \| good	13.772 \| good	0.274 \| good
2025-06-06T07:00:00.000Z	27 \| good	3.3 \| good	15 \| good	29.248 \| good	0.434 \| good	12.549 \| good	0.319 \| good
2025-06-06T08:00:00.000Z	30 \| good	3.9 \| good	17 \| good	32.223 \| good	0.478 \| good	10.59 \| good	0.267 \| good
2025-06-06T08:00:00.000Z	30 \| good	3.955 \| good	16.489 \| good	31.895 \| good	0.475 \| good	10.923 \| good	0.267 \| good
2025-06-06T09:00:00.000Z	30 \| good	2.231 \| good	9.2 \| good	32.01 \| good	0.583 \| good	9.039 \| good	0.2 \| good
2025-06-06T10:00:00.000Z	28 \| good	3.563 \| good	15.337 \| good	29.528 \| good	0.37 \| good	3.716 \| good	0.151 \| good
2025-06-06T11:00:00.000Z	27 \| good	3.899 \| good	16.851 \| good	28.949 \| good	0.464 \| good	4.287 \| good	0.157 \| good
2025-06-06T12:00:00.000Z	33 \| good	5.732 \| good	24.857 \| good	25.243 \| good	0.558 \| good	4.858 \| good	0.163 \| good
2025-06-06T13:00:00.000Z	33 \| good	5.859 \| good	25.455 \| good	25.279 \| good	0.486 \| good	2.517 \| good	0.141 \| good
2025-06-06T14:00:00.000Z	27 \| good	4.834 \| good	20.775 \| good	27.208 \| good	0.582 \| good	3.047 \| good	0.148 \| good
2025-06-06T15:00:00.000Z	28 \| good	3.534 \| good	15.341 \| good	29.996 \| good	0.677 \| good	3.578 \| good	0.155 \| good
2025-06-06T16:00:00.000Z	31 \| good	1.759 \| good	7.181 \| good	34.462 \| good	0.369 \| good	1.344 \| good	0.13 \| good
2025-06-06T17:00:00.000Z	33 \| good	1.073 \| good	4.339 \| good	35.792 \| good	0.435 \| good	1.59 \| good	0.135 \| good
2025-06-06T18:00:00.000Z	31 \| good	1.657 \| good	6.56 \| good	33.717 \| good	0.501 \| good	1.836 \| good	0.141 \| good
2025-06-06T19:00:00.000Z	30 \| good	2.214 \| good	8.924 \| good	32.065 \| good	0.41 \| good	1.863 \| good	0.136 \| good
2025-06-06T20:00:00.000Z	29 \| good	4.656 \| good	20.647 \| good	31.282 \| good	0.49 \| good	2.281 \| good	0.142 \| good
2025-06-06T21:00:00.000Z	33 \| good	4.169 \| good	18.187 \| good	35.83 \| good	0.57 \| good	2.7 \| good	0.149 \| good
2025-06-06T22:00:00.000Z	38 \| good	3.525 \| good	15.353 \| good	41.058 \| good	0.298 \| good	1.648 \| good	0.131 \| good
2025-06-06T23:00:00.000Z	38 \| good	6.225 \| good	27.142 \| good	40.965 \| good	0.357 \| good	1.937 \| good	0.135 \| good
2025-06-07T00:00:00.000Z	49 \| good	9.076 \| good	39.902 \| good	41.647 \| good	0.416 \| good	2.226 \| good	0.14 \| good
2025-06-07T01:00:00.000Z	49 \| good	8.606 \| good	37.83 \| good	48.655 \| good	0.32 \| good	6.769 \| good	0.172 \| good
2025-06-07T02:00:00.000Z	38 \| good	5.433 \| good	23.257 \| good	40.701 \| good	0.394 \| good	8.292 \| good	0.184 \| good
2025-06-07T03:00:00.000Z	38 \| good	5.833 \| good	25.629 \| good	40.743 \| good	0.467 \| good	9.816 \| good	0.196 \| good
2025-06-07T04:00:00.000Z	31 \| good	4.957 \| good	21.61 \| good	33.416 \| good	0.247 \| good	7.184 \| good	0.175 \| good
2025-06-07T05:00:00.000Z	30 \| good	2.715 \| good	11.45 \| good	31.567 \| good	0.329 \| good	9.215 \| good	0.192 \| good
2025-06-07T06:00:00.000Z	29 \| good	1.887 \| good	7.834 \| good	30.892 \| good	0.411 \| good	11.246 \| good	0.209 \| good
2025-06-07T07:00:00.000Z	28 \| good	1.437 \| good	5.577 \| good	30.176 \| good	0.156 \| good	3.966 \| good	0.147 \| good
2025-06-07T08:00:00.000Z	27 \| good	1.662 \| good	6.693 \| good	29.29 \| good	0.225 \| good	5.175 \| good	0.158 \| good
2025-06-07T09:00:00.000Z	28 \| good	1.757 \| good	7.329 \| good	29.658 \| good	0.295 \| good	6.384 \| good	0.169 \| good
2025-06-07T10:00:00.000Z	27 \| good	1.587 \| good	6.61 \| good	28.617 \| good	0.112 \| good	1.925 \| good	0.128 \| good
2025-06-07T11:00:00.000Z	29 \| good	0.839 \| good	3.025 \| good	30.511 \| good	0.161 \| good	2.397 \| good	0.132 \| good
2025-06-07T12:00:00.000Z	29 \| good	2.045 \| good	8.322 \| good	30.989 \| good	0.21 \| good	2.87 \| good	0.136 \| good
2025-06-07T13:00:00.000Z	27 \| good	3.559 \| good	15.389 \| good	29.368 \| good	0.203 \| good	1.57 \| good	0.133 \| good
2025-06-07T14:00:00.000Z	29 \| good	4.538 \| good	19.619 \| good	30.538 \| good	0.266 \| good	2.026 \| good	0.138 \| good
2025-06-07T15:00:00.000Z	33 \| good	5.629 \| good	24.833 \| good	34.299 \| good	0.329 \| good	2.482 \| good	0.144 \| good
2025-06-07T16:00:00.000Z	38 \| good	6.329 \| good	27.761 \| good	41.1 \| good	0.15 \| good	0.435 \| good	0.115 \| good
2025-06-07T17:00:00.000Z	42 \| good	6.55 \| good	28.987 \| good	45.394 \| good	0.192 \| good	0.548 \| good	0.116 \| good
2025-06-07T18:00:00.000Z	42 \| good	5.002 \| good	21.808 \| good	45.162 \| good	0.233 \| good	0.661 \| good	0.118 \| good
2025-06-07T19:00:00.000Z	39 \| good	1.999 \| good	8.053 \| good	42.029 \| good	0.131 \| good	0.391 \| good	0.113 \| good
2025-06-07T20:00:00.000Z	42 \| good	2.245 \| good	9.46 \| good	44.586 \| good	0.165 \| good	0.484 \| good	0.114 \| good
2025-06-07T21:00:00.000Z	43 \| good	1.676 \| good	6.991 \| good	46.368 \| good	0.2 \| good	0.576 \| good	0.116 \| good
2025-06-07T22:00:00.000Z	43 \| good	1.392 \| good	5.478 \| good	46.318 \| good	0.146 \| good	0.753 \| good	0.115 \| good
2025-06-07T23:00:00.000Z	44 \| good	1.466 \| good	5.685 \| good	46.824 \| good	0.185 \| good	0.942 \| good	0.116 \| good
2025-06-08T00:00:00.000Z	39 \| good	2.463 \| good	10.254 \| good	41.838 \| good	0.223 \| good	1.132 \| good	0.118 \| good
2025-06-08T01:00:00.000Z	34 \| good	3.355 \| good	14.432 \| good	37.15 \| good	0.287 \| good	9.269 \| good	0.191 \| good
2025-06-08T02:00:00.000Z	33 \| good	5.572 \| good	24.189 \| good	34.606 \| good	0.36 \| good	11.392 \| good	0.207 \| good
2025-06-08T03:00:00.000Z	30 \| good	5.246 \| good	22.978 \| good	31.746 \| good	0.432 \| good	13.514 \| good	0.224 \| good
2025-06-08T04:00:00.000Z	28 \| good	4.091 \| good	17.769 \| good	29.675 \| good	0.236 \| good	6.303 \| good	0.167 \| good
2025-06-08T05:00:00.000Z	21 \| good	2.389 \| good	10.205 \| good	22.545 \| good	0.306 \| good	7.754 \| good	0.18 \| good
2025-06-08T06:00:00.000Z	38 \| good	6.872 \| good	7.659 \| good	33.434 \| good	0.377 \| good	9.2 \| good	0.193 \| good
2025-06-08T07:00:00.000Z	21 \| good	1.879 \| good	7.767 \| good	22.781 \| good	0.163 \| good	3.798 \| good	0.14 \| good
2025-06-08T08:00:00.000Z	19 \| good	1.883 \| good	7.579 \| good	20.233 \| good	0.218 \| good	4.591 \| good	0.148 \| good

Littleton

Empower business decisions with accurate air quality data

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

0.35ppm

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 07:00:00, 2025-06-05.

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

The best air quality in Littleton, Colorado was observed at 09:00:00 on 2025-06-05.

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

The air quality in Littleton, Colorado right now is Good, with an AQI of 30.

What pollutant is most frequently found in Littleton, Colorado?

In Littleton, Colorado, O3 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 3.955 μg/m³.

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

Littleton, Colorado currently has a PM₁₀ concentration of 16.489 μg/m³.

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

The current carbon monoxide (CO) level in Littleton, Colorado is 0.267 ppm.

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

The current sulfur dioxide (SO₂) concentration in Littleton, Colorado is 0.475 ppb.

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

Littleton, Colorado currently has an ozone (O₃) concentration of 31.895 ppm.

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

The current level of nitrogen dioxide (NO₂) in Littleton, Colorado is 10.923 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T09:00:00.000Z	29 \| good	3 \| good	12 \| good	30.544 \| good	0.338 \| good	5.121 \| good	0.185 \| good
2025-06-04T10:00:00.000Z	31 \| good	2 \| good	8 \| good	33.649 \| good	0.382 \| good	8.168 \| good	0.15 \| good
2025-06-04T11:00:00.000Z	25 \| good	2.1 \| good	9 \| good	26.777 \| good	0.412 \| good	13.49 \| good	0.185 \| good
2025-06-04T12:00:00.000Z	31 \| good	2.3 \| good	10 \| good	33.815 \| good	0.5 \| good	12.634 \| good	0.238 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	9.986 \| good	44.143 \| good	20.638 \| good	0.336 \| good	1.669 \| good	0.14 \| good
2025-06-04T14:00:00.000Z	22 \| good	3.3 \| good	15 \| good	24.347 \| good	0.598 \| good	17.967 \| good	0.419 \| good
2025-06-04T15:00:00.000Z	24 \| good	4.2 \| good	19 \| good	25.688 \| good	0.635 \| good	15.892 \| good	0.409 \| good
2025-06-04T16:00:00.000Z	30 \| good	5.4 \| good	23 \| good	31.507 \| good	0.625 \| good	14.039 \| good	0.365 \| good
2025-06-04T17:00:00.000Z	33 \| good	6.3 \| good	28 \| good	30.103 \| good	0.518 \| good	13.033 \| good	0.365 \| good
2025-06-04T18:00:00.000Z	38 \| good	7.3 \| good	32 \| good	37.367 \| good	0.489 \| good	11.987 \| good	0.284 \| good
2025-06-04T19:00:00.000Z	44 \| good	8.4 \| good	37 \| good	39.135 \| good	0.477 \| good	9.37 \| good	0.238 \| good
2025-06-04T20:00:00.000Z	49 \| good	8.8 \| good	39 \| good	43.235 \| good	0.535 \| good	10.873 \| good	0.238 \| good
2025-06-04T21:00:00.000Z	49 \| good	8.7 \| good	38 \| good	44.8 \| good	0.672 \| good	10.954 \| good	0.325 \| good
2025-06-04T22:00:00.000Z	46 \| good	7.5 \| good	33 \| good	50.128 \| good	0.903 \| good	9.141 \| good	0.239 \| good
2025-06-04T23:00:00.000Z	46 \| good	5.9 \| good	27 \| good	49.994 \| good	0.797 \| good	11.314 \| good	0.287 \| good
2025-06-05T00:00:00.000Z	38 \| good	6.5 \| good	29 \| good	41.183 \| good	0.689 \| good	9.979 \| good	0.292 \| good
2025-06-05T01:00:00.000Z	42 \| good	5.4 \| good	23 \| good	44.916 \| good	0.469 \| good	4.722 \| good	0.238 \| good
2025-06-05T02:00:00.000Z	42 \| good	4.5 \| good	20 \| good	44.541 \| good	0.434 \| good	5.816 \| good	0.238 \| good
2025-06-05T03:00:00.000Z	38 \| good	4 \| good	18 \| good	40.915 \| good	0.498 \| good	13.318 \| good	0.33 \| good
2025-06-05T04:00:00.000Z	32 \| good	3.6 \| good	16 \| good	34.738 \| good	0.47 \| good	7.129 \| good	0.29 \| good
2025-06-05T05:00:00.000Z	34 \| good	3.7 \| good	16 \| good	37.095 \| good	0.649 \| good	12.45 \| good	0.336 \| good
2025-06-05T06:00:00.000Z	31 \| good	3.7 \| good	16 \| good	34.459 \| good	0.603 \| good	13.96 \| good	0.291 \| good
2025-06-05T07:00:00.000Z	33 \| good	3.7 \| good	16 \| good	35.594 \| good	0.493 \| good	5.431 \| good	0.185 \| good
2025-06-05T08:00:00.000Z	26 \| good	4.3 \| good	19 \| good	28.483 \| good	0.539 \| good	12.29 \| good	0.231 \| good
2025-06-05T09:00:00.000Z	22 \| good	4.3 \| good	19 \| good	22.242 \| good	0.598 \| good	11.994 \| good	0.231 \| good
2025-06-05T10:00:00.000Z	27 \| good	5.2 \| good	23 \| good	24.892 \| good	0.534 \| good	8.773 \| good	0.185 \| good
2025-06-05T11:00:00.000Z	27 \| good	5.1 \| good	22 \| good	26.415 \| good	0.478 \| good	6.011 \| good	0.231 \| good
2025-06-05T12:00:00.000Z	33 \| good	5.5 \| good	24 \| good	22.879 \| good	0.477 \| good	6.671 \| good	0.337 \| good
2025-06-05T13:00:00.000Z	33 \| good	5.8 \| good	25 \| good	23.908 \| good	0.444 \| good	16.574 \| good	0.465 \| good
2025-06-05T14:00:00.000Z	33 \| good	5.7 \| good	25 \| good	27.347 \| good	0.555 \| good	14.77 \| good	0.383 \| good
2025-06-05T15:00:00.000Z	33 \| good	5.7 \| good	25 \| good	27.58 \| good	0.556 \| good	12.612 \| good	0.292 \| good
2025-06-05T16:00:00.000Z	44 \| good	7.7 \| good	34 \| good	29.683 \| good	0.558 \| good	11.927 \| good	0.327 \| good
2025-06-05T17:00:00.000Z	54 \| moderate	11.2 \| good	50 \| good	30.998 \| good	0.579 \| good	11.74 \| good	0.319 \| good
2025-06-05T18:00:00.000Z	60 \| moderate	14.2 \| fine	63 \| fine	35.882 \| good	0.577 \| good	10.55 \| good	0.277 \| good
2025-06-05T19:00:00.000Z	62 \| moderate	14.8 \| fine	67 \| fine	42.375 \| good	0.749 \| good	11.923 \| good	0.319 \| good
2025-06-05T20:00:00.000Z	58 \| moderate	13.2 \| fine	59 \| fine	42.301 \| good	1.006 \| good	11.018 \| good	0.284 \| good
2025-06-05T21:00:00.000Z	56 \| moderate	12 \| good	54 \| good	43.64 \| good	0.624 \| good	12.865 \| good	0.292 \| good
2025-06-05T22:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	42.266 \| good	0.754 \| good	10.528 \| good	0.246 \| good
2025-06-05T23:00:00.000Z	40 \| good	7.3 \| good	32 \| good	43.261 \| good	0.534 \| good	7.16 \| good	0.199 \| good
2025-06-06T00:00:00.000Z	38 \| good	5.5 \| good	24 \| good	40.757 \| good	0.453 \| good	7.419 \| good	0.2 \| good
2025-06-06T01:00:00.000Z	37 \| good	4.1 \| good	18 \| good	40.059 \| good	0.439 \| good	7.891 \| good	0.246 \| good
2025-06-06T02:00:00.000Z	35 \| good	3.3 \| good	15 \| good	38.488 \| good	0.435 \| good	12.424 \| good	0.284 \| good
2025-06-06T03:00:00.000Z	36 \| good	2.5 \| good	10 \| good	39.466 \| good	0.454 \| good	13.125 \| good	0.284 \| good
2025-06-06T04:00:00.000Z	37 \| good	2.1 \| good	9 \| good	39.898 \| good	0.425 \| good	14.775 \| good	0.284 \| good
2025-06-06T05:00:00.000Z	31 \| good	2.2 \| good	9 \| good	33.975 \| good	0.478 \| good	17.749 \| good	0.274 \| good
2025-06-06T06:00:00.000Z	30 \| good	2.5 \| good	10 \| good	32.39 \| good	0.478 \| good	13.772 \| good	0.274 \| good
2025-06-06T07:00:00.000Z	27 \| good	3.3 \| good	15 \| good	29.248 \| good	0.434 \| good	12.549 \| good	0.319 \| good
2025-06-06T08:00:00.000Z	30 \| good	3.9 \| good	17 \| good	32.223 \| good	0.478 \| good	10.59 \| good	0.267 \| good
2025-06-06T08:00:00.000Z	30 \| good	3.955 \| good	16.489 \| good	31.895 \| good	0.475 \| good	10.923 \| good	0.267 \| good
2025-06-06T09:00:00.000Z	30 \| good	2.231 \| good	9.2 \| good	32.01 \| good	0.583 \| good	9.039 \| good	0.2 \| good
2025-06-06T10:00:00.000Z	28 \| good	3.563 \| good	15.337 \| good	29.528 \| good	0.37 \| good	3.716 \| good	0.151 \| good
2025-06-06T11:00:00.000Z	27 \| good	3.899 \| good	16.851 \| good	28.949 \| good	0.464 \| good	4.287 \| good	0.157 \| good
2025-06-06T12:00:00.000Z	33 \| good	5.732 \| good	24.857 \| good	25.243 \| good	0.558 \| good	4.858 \| good	0.163 \| good
2025-06-06T13:00:00.000Z	33 \| good	5.859 \| good	25.455 \| good	25.279 \| good	0.486 \| good	2.517 \| good	0.141 \| good
2025-06-06T14:00:00.000Z	27 \| good	4.834 \| good	20.775 \| good	27.208 \| good	0.582 \| good	3.047 \| good	0.148 \| good
2025-06-06T15:00:00.000Z	28 \| good	3.534 \| good	15.341 \| good	29.996 \| good	0.677 \| good	3.578 \| good	0.155 \| good
2025-06-06T16:00:00.000Z	31 \| good	1.759 \| good	7.181 \| good	34.462 \| good	0.369 \| good	1.344 \| good	0.13 \| good
2025-06-06T17:00:00.000Z	33 \| good	1.073 \| good	4.339 \| good	35.792 \| good	0.435 \| good	1.59 \| good	0.135 \| good
2025-06-06T18:00:00.000Z	31 \| good	1.657 \| good	6.56 \| good	33.717 \| good	0.501 \| good	1.836 \| good	0.141 \| good
2025-06-06T19:00:00.000Z	30 \| good	2.214 \| good	8.924 \| good	32.065 \| good	0.41 \| good	1.863 \| good	0.136 \| good
2025-06-06T20:00:00.000Z	29 \| good	4.656 \| good	20.647 \| good	31.282 \| good	0.49 \| good	2.281 \| good	0.142 \| good
2025-06-06T21:00:00.000Z	33 \| good	4.169 \| good	18.187 \| good	35.83 \| good	0.57 \| good	2.7 \| good	0.149 \| good
2025-06-06T22:00:00.000Z	38 \| good	3.525 \| good	15.353 \| good	41.058 \| good	0.298 \| good	1.648 \| good	0.131 \| good
2025-06-06T23:00:00.000Z	38 \| good	6.225 \| good	27.142 \| good	40.965 \| good	0.357 \| good	1.937 \| good	0.135 \| good
2025-06-07T00:00:00.000Z	49 \| good	9.076 \| good	39.902 \| good	41.647 \| good	0.416 \| good	2.226 \| good	0.14 \| good
2025-06-07T01:00:00.000Z	49 \| good	8.606 \| good	37.83 \| good	48.655 \| good	0.32 \| good	6.769 \| good	0.172 \| good
2025-06-07T02:00:00.000Z	38 \| good	5.433 \| good	23.257 \| good	40.701 \| good	0.394 \| good	8.292 \| good	0.184 \| good
2025-06-07T03:00:00.000Z	38 \| good	5.833 \| good	25.629 \| good	40.743 \| good	0.467 \| good	9.816 \| good	0.196 \| good
2025-06-07T04:00:00.000Z	31 \| good	4.957 \| good	21.61 \| good	33.416 \| good	0.247 \| good	7.184 \| good	0.175 \| good
2025-06-07T05:00:00.000Z	30 \| good	2.715 \| good	11.45 \| good	31.567 \| good	0.329 \| good	9.215 \| good	0.192 \| good
2025-06-07T06:00:00.000Z	29 \| good	1.887 \| good	7.834 \| good	30.892 \| good	0.411 \| good	11.246 \| good	0.209 \| good
2025-06-07T07:00:00.000Z	28 \| good	1.437 \| good	5.577 \| good	30.176 \| good	0.156 \| good	3.966 \| good	0.147 \| good
2025-06-07T08:00:00.000Z	27 \| good	1.662 \| good	6.693 \| good	29.29 \| good	0.225 \| good	5.175 \| good	0.158 \| good
2025-06-07T09:00:00.000Z	28 \| good	1.757 \| good	7.329 \| good	29.658 \| good	0.295 \| good	6.384 \| good	0.169 \| good
2025-06-07T10:00:00.000Z	27 \| good	1.587 \| good	6.61 \| good	28.617 \| good	0.112 \| good	1.925 \| good	0.128 \| good
2025-06-07T11:00:00.000Z	29 \| good	0.839 \| good	3.025 \| good	30.511 \| good	0.161 \| good	2.397 \| good	0.132 \| good
2025-06-07T12:00:00.000Z	29 \| good	2.045 \| good	8.322 \| good	30.989 \| good	0.21 \| good	2.87 \| good	0.136 \| good
2025-06-07T13:00:00.000Z	27 \| good	3.559 \| good	15.389 \| good	29.368 \| good	0.203 \| good	1.57 \| good	0.133 \| good
2025-06-07T14:00:00.000Z	29 \| good	4.538 \| good	19.619 \| good	30.538 \| good	0.266 \| good	2.026 \| good	0.138 \| good
2025-06-07T15:00:00.000Z	33 \| good	5.629 \| good	24.833 \| good	34.299 \| good	0.329 \| good	2.482 \| good	0.144 \| good
2025-06-07T16:00:00.000Z	38 \| good	6.329 \| good	27.761 \| good	41.1 \| good	0.15 \| good	0.435 \| good	0.115 \| good
2025-06-07T17:00:00.000Z	42 \| good	6.55 \| good	28.987 \| good	45.394 \| good	0.192 \| good	0.548 \| good	0.116 \| good
2025-06-07T18:00:00.000Z	42 \| good	5.002 \| good	21.808 \| good	45.162 \| good	0.233 \| good	0.661 \| good	0.118 \| good
2025-06-07T19:00:00.000Z	39 \| good	1.999 \| good	8.053 \| good	42.029 \| good	0.131 \| good	0.391 \| good	0.113 \| good
2025-06-07T20:00:00.000Z	42 \| good	2.245 \| good	9.46 \| good	44.586 \| good	0.165 \| good	0.484 \| good	0.114 \| good
2025-06-07T21:00:00.000Z	43 \| good	1.676 \| good	6.991 \| good	46.368 \| good	0.2 \| good	0.576 \| good	0.116 \| good
2025-06-07T22:00:00.000Z	43 \| good	1.392 \| good	5.478 \| good	46.318 \| good	0.146 \| good	0.753 \| good	0.115 \| good
2025-06-07T23:00:00.000Z	44 \| good	1.466 \| good	5.685 \| good	46.824 \| good	0.185 \| good	0.942 \| good	0.116 \| good
2025-06-08T00:00:00.000Z	39 \| good	2.463 \| good	10.254 \| good	41.838 \| good	0.223 \| good	1.132 \| good	0.118 \| good
2025-06-08T01:00:00.000Z	34 \| good	3.355 \| good	14.432 \| good	37.15 \| good	0.287 \| good	9.269 \| good	0.191 \| good
2025-06-08T02:00:00.000Z	33 \| good	5.572 \| good	24.189 \| good	34.606 \| good	0.36 \| good	11.392 \| good	0.207 \| good
2025-06-08T03:00:00.000Z	30 \| good	5.246 \| good	22.978 \| good	31.746 \| good	0.432 \| good	13.514 \| good	0.224 \| good
2025-06-08T04:00:00.000Z	28 \| good	4.091 \| good	17.769 \| good	29.675 \| good	0.236 \| good	6.303 \| good	0.167 \| good
2025-06-08T05:00:00.000Z	21 \| good	2.389 \| good	10.205 \| good	22.545 \| good	0.306 \| good	7.754 \| good	0.18 \| good
2025-06-08T06:00:00.000Z	38 \| good	6.872 \| good	7.659 \| good	33.434 \| good	0.377 \| good	9.2 \| good	0.193 \| good
2025-06-08T07:00:00.000Z	21 \| good	1.879 \| good	7.767 \| good	22.781 \| good	0.163 \| good	3.798 \| good	0.14 \| good
2025-06-08T08:00:00.000Z	19 \| good	1.883 \| good	7.579 \| good	20.233 \| good	0.218 \| good	4.591 \| good	0.148 \| good

Current air quality index in Littleton, Colorado today

Major air pollutants in Littleton, Colorado

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Littleton, Colorado air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Englewood, Colorado

Columbine, Colorado

Greenwood Village, Colorado

Highlands Ranch, Colorado

Ken Caryl, Colorado

Lakewood, Colorado

How accurate is Colorado, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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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?