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

Littleton, Colorado currently has a PM10 concentration of 34.577 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Littleton, Colorado is 0.821 ppb.

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

Littleton, Colorado currently has an ozone (O3) concentration of 40.334 ppm.

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

The current level of nitrogen dioxide (NO2) in Littleton, Colorado is 14.023 ppb.

Current air quality index in Littleton, Colorado today

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

Littleton, Colorado currently has a PM2.5 concentration of 8.092 μg/m3.

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)

Common air pollutants in Littleton, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.09 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

34.58 μg/m³

155

255

425

605+

Ozone (O₃)

40.33 ppb

201

201+

Sulfur Dioxide (SO₂)

0.82 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-02-10T23:00:00.000Z	35 \| good	1.7 \| good	7 \| good	38.448 \| good	0.356 \| good	5.372 \| good	0.188 \| good
2026-02-11T00:00:00.000Z	36 \| good	1.7 \| good	7 \| good	38.639 \| good	0.232 \| good	7.161 \| good	0.188 \| good
2026-02-11T01:00:00.000Z	32 \| good	1.8 \| good	8 \| good	35.147 \| good	0.349 \| good	8.315 \| good	0.196 \| good
2026-02-11T02:00:00.000Z	28 \| good	1.9 \| good	8 \| good	29.678 \| good	0.339 \| good	11.039 \| good	0.245 \| good
2026-02-11T03:00:00.000Z	23 \| good	2.2 \| good	9 \| good	25.29 \| good	0.355 \| good	13.649 \| good	0.252 \| good
2026-02-11T04:00:00.000Z	26 \| good	2.7 \| good	11 \| good	28.382 \| good	0.423 \| good	11.866 \| good	0.269 \| good
2026-02-11T05:00:00.000Z	22 \| good	3.6 \| good	16 \| good	20.384 \| good	0.313 \| good	13.558 \| good	0.413 \| good
2026-02-11T06:00:00.000Z	25 \| good	3.6 \| good	16 \| good	21.821 \| good	0.353 \| good	26.633 \| good	0.485 \| good
2026-02-11T07:00:00.000Z	31 \| good	4.1 \| good	18 \| good	25.683 \| good	0.312 \| good	32.766 \| good	0.507 \| good
2026-02-11T08:00:00.000Z	31 \| good	4.1 \| good	18 \| good	18.512 \| good	0.394 \| good	33.01 \| good	0.447 \| good
2026-02-11T09:00:00.000Z	33 \| good	3.1 \| good	14 \| good	14.363 \| good	0.633 \| good	34.672 \| good	0.482 \| good
2026-02-11T10:00:00.000Z	32 \| good	2.7 \| good	11 \| good	11.84 \| good	0.624 \| good	33.825 \| good	0.394 \| good
2026-02-11T11:00:00.000Z	32 \| good	2.6 \| good	11 \| good	22.129 \| good	0.702 \| good	33.693 \| good	0.346 \| good
2026-02-11T12:00:00.000Z	28 \| good	2.6 \| good	11 \| good	21.399 \| good	0.749 \| good	29.705 \| good	0.49 \| good
2026-02-11T13:00:00.000Z	27 \| good	2.8 \| good	12 \| good	21.53 \| good	0.935 \| good	28.944 \| good	0.666 \| good
2026-02-11T14:00:00.000Z	33 \| good	3.5 \| good	16 \| good	19.843 \| good	1.418 \| good	35.286 \| good	0.925 \| good
2026-02-11T15:00:00.000Z	31 \| good	4.6 \| good	20 \| good	11.187 \| good	1.819 \| good	32.973 \| good	0.792 \| good
2026-02-11T16:00:00.000Z	27 \| good	5.1 \| good	22 \| good	16.009 \| good	1.918 \| good	27.091 \| good	0.884 \| good
2026-02-11T17:00:00.000Z	33 \| good	6.4 \| good	29 \| good	25.12 \| good	1.257 \| good	20.041 \| good	0.511 \| good
2026-02-11T18:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	22.379 \| good	1.383 \| good	18.153 \| good	0.415 \| good
2026-02-11T19:00:00.000Z	56 \| moderate	11.6 \| good	51 \| good	34.921 \| good	1.851 \| good	21.965 \| good	0.403 \| good
2026-02-11T20:00:00.000Z	56 \| moderate	11.7 \| good	52 \| good	27.403 \| good	1.958 \| good	30.564 \| good	0.502 \| good
2026-02-11T21:00:00.000Z	58 \| moderate	13.2 \| fine	59 \| fine	35.947 \| good	2.481 \| good	33.09 \| good	0.478 \| good
2026-02-11T22:00:00.000Z	62 \| moderate	15.2 \| fine	69 \| fine	36.842 \| good	2.047 \| good	25.498 \| good	0.407 \| good
2026-02-11T23:00:00.000Z	64 \| moderate	15.8 \| fine	71 \| fine	34.262 \| good	1.213 \| good	23.179 \| good	0.323 \| good
2026-02-12T00:00:00.000Z	54 \| moderate	11.4 \| good	51 \| good	33.009 \| good	0.894 \| good	23.832 \| good	0.327 \| good
2026-02-12T01:00:00.000Z	49 \| good	9 \| good	41 \| good	34.241 \| good	0.719 \| good	23.461 \| good	0.475 \| good
2026-02-12T02:00:00.000Z	52 \| moderate	10.2 \| good	45 \| good	27.769 \| good	0.641 \| good	32.976 \| good	0.598 \| good
2026-02-12T03:00:00.000Z	58 \| moderate	13.1 \| fine	59 \| fine	23.266 \| good	0.666 \| good	36.175 \| good	0.652 \| good
2026-02-12T04:00:00.000Z	60 \| moderate	13.8 \| fine	63 \| fine	23.983 \| good	0.65 \| good	35.461 \| good	0.81 \| good
2026-02-12T05:00:00.000Z	58 \| moderate	13.3 \| fine	61 \| fine	23.872 \| good	0.775 \| good	38.884 \| good	0.709 \| good
2026-02-12T06:00:00.000Z	58 \| moderate	13.3 \| fine	61 \| fine	22.497 \| good	0.91 \| good	38.066 \| good	0.91 \| good
2026-02-12T07:00:00.000Z	54 \| moderate	10.9 \| good	48 \| good	39.358 \| good	0.809 \| good	22.538 \| good	0.734 \| good
2026-02-12T08:00:00.000Z	54 \| moderate	10.9 \| good	48 \| good	33.428 \| good	1.208 \| good	20.903 \| good	0.611 \| good
2026-02-12T09:00:00.000Z	49 \| good	9.1 \| good	41 \| good	35.951 \| good	0.656 \| good	24.148 \| good	0.667 \| good
2026-02-12T10:00:00.000Z	38 \| good	7.1 \| good	32 \| good	41.457 \| good	0.88 \| good	24.038 \| good	0.618 \| good
2026-02-12T11:00:00.000Z	29 \| good	4.7 \| good	21 \| good	31.26 \| good	0.587 \| good	18.847 \| good	0.468 \| good
2026-02-12T12:00:00.000Z	20 \| good	3 \| good	12 \| good	22.167 \| good	0.476 \| good	20.318 \| good	0.457 \| good
2026-02-12T13:00:00.000Z	25 \| good	2.3 \| good	10 \| good	19.181 \| good	0.997 \| good	26.181 \| good	0.511 \| good
2026-02-12T14:00:00.000Z	34 \| good	2.2 \| good	9 \| good	37.014 \| good	1.105 \| good	28.99 \| good	0.878 \| good
2026-02-12T15:00:00.000Z	38 \| good	3.3 \| good	15 \| good	17.812 \| good	1.636 \| good	39.94 \| good	0.959 \| good
2026-02-12T16:00:00.000Z	34 \| good	4.6 \| good	20 \| good	27.703 \| good	1.672 \| good	35.696 \| good	1.031 \| good
2026-02-12T17:00:00.000Z	33 \| good	5.9 \| good	27 \| good	21.622 \| good	0.803 \| good	21.752 \| good	0.608 \| good
2026-02-12T18:00:00.000Z	44 \| good	8 \| good	35 \| good	31.569 \| good	0.658 \| good	15.597 \| good	0.369 \| good
2026-02-12T19:00:00.000Z	49 \| good	9.2 \| good	41 \| good	29.901 \| good	0.607 \| good	14.398 \| good	0.28 \| good
2026-02-12T20:00:00.000Z	49 \| good	8.6 \| good	38 \| good	32.113 \| good	0.412 \| good	14.689 \| good	0.234 \| good
2026-02-12T21:00:00.000Z	44 \| good	8.2 \| good	36 \| good	40.889 \| good	0.819 \| good	14.033 \| good	0.234 \| good
2026-02-12T22:00:00.000Z	44 \| good	7.6 \| good	34 \| good	42.079 \| good	0.854 \| good	13.439 \| good	0.234 \| good
2026-02-12T22:00:00.000Z	44 \| good	8.092 \| good	34.577 \| good	40.334 \| good	0.821 \| good	14.023 \| good	0.235 \| good
2026-02-12T23:00:00.000Z	35 \| good	4.657 \| good	20.307 \| good	38.268 \| good	0.46 \| good	3.175 \| good	0.113 \| good
2026-02-13T00:00:00.000Z	36 \| good	3.533 \| good	15.49 \| good	38.751 \| good	0.488 \| good	3.782 \| good	0.118 \| good
2026-02-13T01:00:00.000Z	33 \| good	6.284 \| good	27.597 \| good	28.28 \| good	0.668 \| good	7.91 \| good	0.148 \| good
2026-02-13T02:00:00.000Z	28 \| good	5.106 \| good	22.038 \| good	29.826 \| good	0.847 \| good	12.039 \| good	0.177 \| good
2026-02-13T03:00:00.000Z	27 \| good	4.144 \| good	17.742 \| good	28.85 \| good	1.026 \| good	16.167 \| good	0.207 \| good
2026-02-13T04:00:00.000Z	28 \| good	4.605 \| good	19.802 \| good	29.64 \| good	1.065 \| good	16.16 \| good	0.206 \| good
2026-02-13T05:00:00.000Z	29 \| good	4.586 \| good	19.793 \| good	31.283 \| good	1.104 \| good	16.153 \| good	0.205 \| good
2026-02-13T06:00:00.000Z	33 \| good	5.989 \| good	26.27 \| good	27.164 \| good	1.142 \| good	16.146 \| good	0.203 \| good
2026-02-13T07:00:00.000Z	44 \| good	7.587 \| good	33.701 \| good	16.752 \| good	1.155 \| good	16.65 \| good	0.206 \| good
2026-02-13T08:00:00.000Z	33 \| good	6.07 \| good	26.672 \| good	17.487 \| good	1.168 \| good	17.154 \| good	0.209 \| good
2026-02-13T09:00:00.000Z	33 \| good	5.657 \| good	24.565 \| good	22.074 \| good	1.181 \| good	17.658 \| good	0.213 \| good
2026-02-13T10:00:00.000Z	30 \| good	3.516 \| good	15.183 \| good	32.058 \| good	1.067 \| good	16.753 \| good	0.207 \| good
2026-02-13T11:00:00.000Z	28 \| good	3.04 \| good	13.027 \| good	30.309 \| good	0.953 \| good	15.848 \| good	0.202 \| good
2026-02-13T12:00:00.000Z	29 \| good	2.527 \| good	10.53 \| good	30.54 \| good	0.84 \| good	14.943 \| good	0.197 \| good
2026-02-13T13:00:00.000Z	25 \| good	2.238 \| good	9.158 \| good	27.226 \| good	0.882 \| good	14.24 \| good	0.214 \| good
2026-02-13T14:00:00.000Z	23 \| good	3.475 \| good	15.298 \| good	25.059 \| good	0.925 \| good	13.537 \| good	0.232 \| good
2026-02-13T15:00:00.000Z	27 \| good	4.864 \| good	21.125 \| good	23.365 \| good	0.968 \| good	12.834 \| good	0.25 \| good
2026-02-13T16:00:00.000Z	33 \| good	6.181 \| good	26.898 \| good	29.52 \| good	1.099 \| good	10.428 \| good	0.216 \| good
2026-02-13T17:00:00.000Z	38 \| good	7.109 \| good	31.69 \| good	31.31 \| good	1.231 \| good	8.022 \| good	0.182 \| good
2026-02-13T18:00:00.000Z	38 \| good	2.931 \| good	12.418 \| good	41.239 \| good	1.363 \| good	5.616 \| good	0.148 \| good
2026-02-13T19:00:00.000Z	40 \| good	4.263 \| good	18.53 \| good	42.793 \| good	1.277 \| good	5.423 \| good	0.144 \| good
2026-02-13T20:00:00.000Z	40 \| good	3.888 \| good	17.143 \| good	42.871 \| good	1.192 \| good	5.23 \| good	0.139 \| good
2026-02-13T21:00:00.000Z	42 \| good	3.831 \| good	16.403 \| good	44.739 \| good	1.106 \| good	5.037 \| good	0.135 \| good
2026-02-13T22:00:00.000Z	41 \| good	4.494 \| good	19.579 \| good	43.625 \| good	1.07 \| good	5.561 \| good	0.137 \| good
2026-02-13T23:00:00.000Z	54 \| moderate	11.379 \| good	50.359 \| good	37.621 \| good	1.033 \| good	6.085 \| good	0.14 \| good
2026-02-14T00:00:00.000Z	44 \| good	7.68 \| good	33.883 \| good	32.929 \| good	0.997 \| good	6.61 \| good	0.142 \| good
2026-02-14T01:00:00.000Z	38 \| good	7.353 \| good	32.509 \| good	34.544 \| good	1.077 \| good	8.465 \| good	0.154 \| good
2026-02-14T02:00:00.000Z	49 \| good	9.174 \| good	41.044 \| good	27.835 \| good	1.158 \| good	10.32 \| good	0.166 \| good
2026-02-14T03:00:00.000Z	54 \| moderate	10.843 \| good	48.101 \| good	26.093 \| good	1.238 \| good	12.175 \| good	0.178 \| good
2026-02-14T04:00:00.000Z	54 \| moderate	10.766 \| good	47.872 \| good	23.421 \| good	1.217 \| good	11.611 \| good	0.175 \| good
2026-02-14T05:00:00.000Z	52 \| moderate	10.457 \| good	47.117 \| good	25.165 \| good	1.195 \| good	11.046 \| good	0.172 \| good
2026-02-14T06:00:00.000Z	44 \| good	8.141 \| good	9.272 \| good	32.501 \| good	1.165 \| good	10.447 \| good	0.168 \| good
2026-02-14T07:00:00.000Z	39 \| good	3.869 \| good	17.08 \| good	42.411 \| good	1.051 \| good	9.342 \| good	0.163 \| good
2026-02-14T08:00:00.000Z	40 \| good	2.774 \| good	11.723 \| good	42.536 \| good	0.928 \| good	8.202 \| good	0.157 \| good
2026-02-14T09:00:00.000Z	39 \| good	1.825 \| good	7.719 \| good	41.549 \| good	0.805 \| good	7.062 \| good	0.151 \| good
2026-02-14T10:00:00.000Z	33 \| good	5.798 \| good	25.245 \| good	34.854 \| good	0.746 \| good	7.247 \| good	0.151 \| good
2026-02-14T11:00:00.000Z	36 \| good	3.267 \| good	13.727 \| good	38.98 \| good	0.686 \| good	7.432 \| good	0.15 \| good
2026-02-14T12:00:00.000Z	30 \| good	5.19 \| good	5.553 \| good	32.434 \| good	0.624 \| good	7.613 \| good	0.15 \| good
2026-02-14T13:00:00.000Z	31 \| good	5.194 \| good	5.49 \| good	33.502 \| good	0.646 \| good	7.98 \| good	0.157 \| good
2026-02-14T14:00:00.000Z	33 \| good	6.079 \| good	6.325 \| good	34.569 \| good	0.668 \| good	8.348 \| good	0.164 \| good
2026-02-14T15:00:00.000Z	33 \| good	5.903 \| good	6.14 \| good	35.637 \| good	0.69 \| good	8.715 \| good	0.171 \| good
2026-02-14T16:00:00.000Z	37 \| good	4.128 \| good	18.235 \| good	39.713 \| good	0.666 \| good	6.75 \| good	0.158 \| good
2026-02-14T17:00:00.000Z	39 \| good	4.447 \| good	19.344 \| good	41.749 \| good	0.639 \| good	4.775 \| good	0.145 \| good
2026-02-14T18:00:00.000Z	54 \| moderate	2.5 \| good	3.235 \| good	55.849 \| fine	0.611 \| good	2.804 \| good	0.132 \| good
2026-02-14T19:00:00.000Z	64 \| moderate	2.456 \| good	3.469 \| good	58.8 \| fine	0.556 \| good	2.424 \| good	0.129 \| good
2026-02-14T20:00:00.000Z	74 \| moderate	2.54 \| good	3.717 \| good	61.751 \| fine	0.501 \| good	2.044 \| good	0.125 \| good
2026-02-14T21:00:00.000Z	84 \| moderate	2.576 \| good	3.823 \| good	64.702 \| fine	0.446 \| good	1.664 \| good	0.121 \| good
2026-02-14T22:00:00.000Z	77 \| moderate	2.546 \| good	3.811 \| good	63.016 \| fine	0.47 \| good	2.396 \| good	0.126 \| good

Littleton

Empower business decisions with accurate air quality data

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

0.25ppm

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 11:00:00, 2026-02-11.

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

The best air quality in Littleton, Colorado was observed at 12:00:00 on 2026-02-12.

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

The air quality in Littleton, Colorado right now is Good, with an AQI of 44.

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 8.092 μg/m³.

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

Littleton, Colorado currently has a PM₁₀ concentration of 34.577 μg/m³.

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

The current carbon monoxide (CO) level in Littleton, Colorado is 0.235 ppm.

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

The current sulfur dioxide (SO₂) concentration in Littleton, Colorado is 0.821 ppb.

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

Littleton, Colorado currently has an ozone (O₃) concentration of 40.334 ppm.

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

The current level of nitrogen dioxide (NO₂) in Littleton, Colorado is 14.023 ppb.

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