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

Colorado, USA currently has a PM10 concentration of 20.599 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Colorado, USA is 0.695 ppb.

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

Colorado, USA currently has an ozone (O3) concentration of 30.76 ppm.

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

The current level of nitrogen dioxide (NO2) in Colorado, USA is 12.618 ppb.

Current air quality index in Colorado, USA today

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

Stay updated with real-time air quality in Colorado, USA 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

Colorado, USA

Last updated: ... (Local time)

Common air pollutants in Colorado, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.46 μg/m³

155

255

425

605+

Ozone (O₃)

30.17 ppb

201

201+

Sulfur Dioxide (SO₂)

0.65 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.39 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Colorado, USA

Get Live Pollen Counts

Colorado, USA

Scroll To Air Quality Map

Track live Colorado, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-18T14:00:00.000Z	52 \| moderate	9.925 \| good	22.865 \| good	38.425 \| good	1.801 \| good	13.053 \| good	0.395 \| good
2025-07-18T15:00:00.000Z	54 \| moderate	11.386 \| good	31.22 \| good	47.929 \| good	2.083 \| good	4.106 \| good	0.384 \| good
2025-07-18T16:00:00.000Z	56 \| moderate	12.374 \| fine	30.86 \| good	47.273 \| good	1.105 \| good	13.006 \| good	0.287 \| good
2025-07-18T17:00:00.000Z	56 \| moderate	11.62 \| good	35.315 \| good	50.073 \| good	1.03 \| good	9.784 \| good	0.227 \| good
2025-07-18T18:00:00.000Z	50 \| good	8.905 \| good	21.383 \| good	54.347 \| good	0.617 \| good	6.688 \| good	0.178 \| good
2025-07-18T19:00:00.000Z	61 \| moderate	8.205 \| good	22.82 \| good	57.65 \| fine	0.786 \| good	9.389 \| good	0.188 \| good
2025-07-18T20:00:00.000Z	51 \| moderate	7.486 \| good	18.72 \| good	54.765 \| good	0.669 \| good	11.205 \| good	0.199 \| good
2025-07-18T21:00:00.000Z	54 \| moderate	7.584 \| good	23.763 \| good	56.028 \| fine	0.667 \| good	10.774 \| good	0.215 \| good
2025-07-18T22:00:00.000Z	51 \| moderate	8.033 \| good	27.016 \| good	55.097 \| fine	0.667 \| good	16.278 \| good	0.253 \| good
2025-07-18T23:00:00.000Z	50 \| good	6.87 \| good	23.217 \| good	54.374 \| good	0.579 \| good	13.141 \| good	0.242 \| good
2025-07-19T00:00:00.000Z	50 \| good	7.491 \| good	27.695 \| good	53.947 \| good	0.548 \| good	10.835 \| good	0.242 \| good
2025-07-19T01:00:00.000Z	47 \| good	5.822 \| good	18.814 \| good	50.938 \| good	0.602 \| good	12.054 \| good	0.323 \| good
2025-07-19T02:00:00.000Z	45 \| good	6.621 \| good	16.978 \| good	49.081 \| good	0.602 \| good	6.09 \| good	0.28 \| good
2025-07-19T03:00:00.000Z	43 \| good	6.886 \| good	19.926 \| good	46.279 \| good	0.57 \| good	4.083 \| good	0.328 \| good
2025-07-19T04:00:00.000Z	44 \| good	7.946 \| good	24.757 \| good	39.147 \| good	0.517 \| good	4.107 \| good	0.323 \| good
2025-07-19T05:00:00.000Z	38 \| good	7.31 \| good	21.864 \| good	40.618 \| good	0.474 \| good	4.319 \| good	0.281 \| good
2025-07-19T06:00:00.000Z	44 \| good	8.019 \| good	20.986 \| good	34.326 \| good	0.523 \| good	3.864 \| good	0.323 \| good
2025-07-19T07:00:00.000Z	38 \| good	6.975 \| good	24.128 \| good	34.698 \| good	0.523 \| good	3.805 \| good	0.285 \| good
2025-07-19T08:00:00.000Z	44 \| good	7.714 \| good	15.39 \| good	39.87 \| good	0.636 \| good	2.875 \| good	0.269 \| good
2025-07-19T09:00:00.000Z	37 \| good	6.346 \| good	14.655 \| good	40.493 \| good	0.628 \| good	3.524 \| good	0.296 \| good
2025-07-19T10:00:00.000Z	36 \| good	6.24 \| good	15.988 \| good	38.818 \| good	0.552 \| good	3.547 \| good	0.224 \| good
2025-07-19T11:00:00.000Z	33 \| good	6.321 \| good	25.817 \| good	36.323 \| good	0.592 \| good	3.922 \| good	0.197 \| good
2025-07-19T12:00:00.000Z	38 \| good	6.818 \| good	25.465 \| good	36.141 \| good	0.606 \| good	8.108 \| good	0.215 \| good
2025-07-19T13:00:00.000Z	32 \| good	5.25 \| good	16.286 \| good	35.431 \| good	0.635 \| good	8.98 \| good	0.269 \| good
2025-07-19T14:00:00.000Z	30 \| good	5.428 \| good	18.379 \| good	31.955 \| good	0.66 \| good	5.251 \| good	0.269 \| good
2025-07-19T15:00:00.000Z	35 \| good	5.36 \| good	16.508 \| good	37.536 \| good	0.543 \| good	3.193 \| good	0.242 \| good
2025-07-19T16:00:00.000Z	43 \| good	6.14 \| good	16.549 \| good	46.23 \| good	0.608 \| good	6.709 \| good	0.242 \| good
2025-07-19T17:00:00.000Z	46 \| good	7.974 \| good	28.037 \| good	49.629 \| good	0.733 \| good	9.167 \| good	0.188 \| good
2025-07-19T18:00:00.000Z	50 \| good	5.753 \| good	18.465 \| good	53.673 \| good	0.731 \| good	6.809 \| good	0.188 \| good
2025-07-19T19:00:00.000Z	50 \| good	5.177 \| good	16.007 \| good	54.263 \| good	0.791 \| good	6.292 \| good	0.215 \| good
2025-07-19T20:00:00.000Z	50 \| good	5.13 \| good	13.657 \| good	53.569 \| good	0.821 \| good	6.634 \| good	0.188 \| good
2025-07-19T21:00:00.000Z	61 \| moderate	4.821 \| good	12.308 \| good	57.602 \| fine	0.729 \| good	5.999 \| good	0.188 \| good
2025-07-19T22:00:00.000Z	50 \| good	4.174 \| good	15.045 \| good	53.705 \| good	0.671 \| good	6.247 \| good	0.181 \| good
2025-07-19T23:00:00.000Z	51 \| moderate	4.783 \| good	16.812 \| good	54.949 \| good	0.695 \| good	5.143 \| good	0.145 \| good
2025-07-20T00:00:00.000Z	49 \| good	6.061 \| good	20.289 \| good	53.123 \| good	0.516 \| good	3.204 \| good	0.127 \| good
2025-07-20T01:00:00.000Z	50 \| good	5.586 \| good	14.013 \| good	53.828 \| good	0.626 \| good	3.124 \| good	0.226 \| good
2025-07-20T02:00:00.000Z	46 \| good	4.119 \| good	12.467 \| good	49.954 \| good	0.606 \| good	3.809 \| good	0.253 \| good
2025-07-20T03:00:00.000Z	47 \| good	5.588 \| good	19.982 \| good	51.441 \| good	0.551 \| good	2.95 \| good	0.382 \| good
2025-07-20T04:00:00.000Z	46 \| good	4.557 \| good	12.262 \| good	49.608 \| good	0.6 \| good	2.27 \| good	0.36 \| good
2025-07-20T05:00:00.000Z	45 \| good	6.155 \| good	19.945 \| good	49.144 \| good	0.694 \| good	3.186 \| good	0.468 \| good
2025-07-20T06:00:00.000Z	45 \| good	5.663 \| good	16.957 \| good	49.418 \| good	0.577 \| good	3.249 \| good	0.431 \| good
2025-07-20T07:00:00.000Z	45 \| good	5.353 \| good	16.27 \| good	48.953 \| good	0.605 \| good	3.472 \| good	0.332 \| good
2025-07-20T08:00:00.000Z	45 \| good	5.536 \| good	20.72 \| good	48.686 \| good	0.696 \| good	4.547 \| good	0.35 \| good
2025-07-20T09:00:00.000Z	40 \| good	4.633 \| good	19.991 \| good	42.771 \| good	0.712 \| good	4.222 \| good	0.43 \| good
2025-07-20T10:00:00.000Z	40 \| good	7.023 \| good	19.526 \| good	42.711 \| good	0.739 \| good	4.357 \| good	0.296 \| good
2025-07-20T11:00:00.000Z	43 \| good	5.13 \| good	20.114 \| good	46.459 \| good	0.642 \| good	4.101 \| good	0.269 \| good
2025-07-20T12:00:00.000Z	46 \| good	6.763 \| good	20.431 \| good	50.07 \| good	0.67 \| good	7.81 \| good	0.224 \| good
2025-07-20T13:00:00.000Z	28 \| good	5.446 \| good	17.462 \| good	30.169 \| good	0.654 \| good	10.388 \| good	0.238 \| good
2025-07-20T11:00:00.000Z	52 \| moderate	9.661 \| good	42.841 \| good	39.394 \| good	0.124 \| good	3.964 \| good	0.119 \| good
2025-07-20T12:00:00.000Z	54 \| moderate	10.668 \| good	47.486 \| good	37.729 \| good	0.128 \| good	3.346 \| good	0.112 \| good
2025-07-20T13:00:00.000Z	49 \| good	8.625 \| good	37.477 \| good	35.437 \| good	0.141 \| good	2.402 \| good	0.109 \| good
2025-07-20T14:00:00.000Z	36 \| good	2.877 \| good	11.976 \| good	39.304 \| good	0.155 \| good	1.459 \| good	0.105 \| good
2025-07-20T15:00:00.000Z	40 \| good	1.616 \| good	6.743 \| good	43.202 \| good	0.168 \| good	0.515 \| good	0.102 \| good
2025-07-20T16:00:00.000Z	43 \| good	1.444 \| good	5.812 \| good	45.906 \| good	0.148 \| good	0.416 \| good	0.101 \| good
2025-07-20T17:00:00.000Z	44 \| good	1.95 \| good	8.008 \| good	46.865 \| good	0.128 \| good	0.316 \| good	0.1 \| good
2025-07-20T18:00:00.000Z	44 \| good	1.944 \| good	8.008 \| good	47.173 \| good	0.109 \| good	0.216 \| good	0.099 \| good
2025-07-20T19:00:00.000Z	44 \| good	2.076 \| good	8.186 \| good	47.554 \| good	0.102 \| good	0.238 \| good	0.098 \| good
2025-07-20T20:00:00.000Z	44 \| good	2.381 \| good	9.748 \| good	48.293 \| good	0.096 \| good	0.259 \| good	0.097 \| good
2025-07-20T21:00:00.000Z	45 \| good	2.456 \| good	9.847 \| good	49.336 \| good	0.09 \| good	0.281 \| good	0.095 \| good
2025-07-20T22:00:00.000Z	46 \| good	1.415 \| good	5.627 \| good	50.052 \| good	0.107 \| good	0.4 \| good	0.096 \| good
2025-07-20T23:00:00.000Z	47 \| good	1.709 \| good	7.238 \| good	51.334 \| good	0.125 \| good	0.519 \| good	0.097 \| good
2025-07-21T00:00:00.000Z	48 \| good	3.413 \| good	14.819 \| good	51.561 \| good	0.143 \| good	0.638 \| good	0.097 \| good
2025-07-21T01:00:00.000Z	43 \| good	3.661 \| good	15.971 \| good	46.195 \| good	0.157 \| good	1.97 \| good	0.11 \| good
2025-07-21T02:00:00.000Z	42 \| good	2.206 \| good	8.961 \| good	45.435 \| good	0.171 \| good	3.303 \| good	0.123 \| good
2025-07-21T03:00:00.000Z	38 \| good	1.019 \| good	3.912 \| good	40.867 \| good	0.185 \| good	4.636 \| good	0.136 \| good
2025-07-21T04:00:00.000Z	36 \| good	0.284 \| good	0.975 \| good	38.902 \| good	0.176 \| good	4.912 \| good	0.138 \| good
2025-07-21T05:00:00.000Z	36 \| good	0.486 \| good	1.966 \| good	39.051 \| good	0.167 \| good	5.187 \| good	0.14 \| good
2025-07-21T06:00:00.000Z	37 \| good	1.046 \| good	4.121 \| good	39.89 \| good	0.158 \| good	5.463 \| good	0.142 \| good
2025-07-21T07:00:00.000Z	36 \| good	2.351 \| good	10 \| good	38.752 \| good	0.16 \| good	4.886 \| good	0.135 \| good
2025-07-21T08:00:00.000Z	36 \| good	2.491 \| good	10 \| good	38.918 \| good	0.161 \| good	4.308 \| good	0.128 \| good
2025-07-21T09:00:00.000Z	35 \| good	2.072 \| good	8.222 \| good	37.881 \| good	0.163 \| good	3.731 \| good	0.121 \| good
2025-07-21T10:00:00.000Z	36 \| good	2.082 \| good	8.21 \| good	39.217 \| good	0.169 \| good	3.521 \| good	0.117 \| good
2025-07-21T11:00:00.000Z	35 \| good	1.652 \| good	6.809 \| good	37.905 \| good	0.175 \| good	3.31 \| good	0.113 \| good
2025-07-21T12:00:00.000Z	33 \| good	3.004 \| good	13.051 \| good	36.342 \| good	0.182 \| good	3.099 \| good	0.109 \| good
2025-07-21T13:00:00.000Z	31 \| good	4.941 \| good	21.279 \| good	33.562 \| good	0.168 \| good	2.279 \| good	0.106 \| good
2025-07-21T14:00:00.000Z	35 \| good	5.56 \| good	23.894 \| good	37.612 \| good	0.153 \| good	1.458 \| good	0.102 \| good
2025-07-21T15:00:00.000Z	40 \| good	5.241 \| good	22.814 \| good	42.83 \| good	0.139 \| good	0.637 \| good	0.099 \| good
2025-07-21T16:00:00.000Z	42 \| good	5.389 \| good	23.119 \| good	45.419 \| good	0.12 \| good	0.497 \| good	0.096 \| good
2025-07-21T17:00:00.000Z	42 \| good	5.446 \| good	23.215 \| good	45.465 \| good	0.102 \| good	0.357 \| good	0.092 \| good
2025-07-21T18:00:00.000Z	43 \| good	3.762 \| good	16.72 \| good	45.916 \| good	0.083 \| good	0.216 \| good	0.089 \| good
2025-07-21T19:00:00.000Z	43 \| good	3.507 \| good	15.558 \| good	46.192 \| good	0.085 \| good	0.264 \| good	0.089 \| good
2025-07-21T20:00:00.000Z	46 \| good	2.25 \| good	9.071 \| good	50.192 \| good	0.087 \| good	0.312 \| good	0.089 \| good
2025-07-21T21:00:00.000Z	46 \| good	2.573 \| good	10.623 \| good	50.457 \| good	0.088 \| good	0.36 \| good	0.09 \| good
2025-07-21T22:00:00.000Z	46 \| good	1.818 \| good	7.752 \| good	50.107 \| good	0.102 \| good	0.481 \| good	0.092 \| good
2025-07-21T23:00:00.000Z	44 \| good	1.142 \| good	4.839 \| good	46.969 \| good	0.117 \| good	0.602 \| good	0.094 \| good
2025-07-22T00:00:00.000Z	44 \| good	0.656 \| good	2.053 \| good	48.44 \| good	0.131 \| good	0.722 \| good	0.096 \| good
2025-07-22T01:00:00.000Z	44 \| good	0.127 \| good	0.053 \| good	48.443 \| good	0.126 \| good	1.764 \| good	0.106 \| good
2025-07-22T02:00:00.000Z	44 \| good	0.177 \| good	0.224 \| good	47.009 \| good	0.121 \| good	2.806 \| good	0.115 \| good
2025-07-22T03:00:00.000Z	42 \| good	0.896 \| good	3.684 \| good	45.457 \| good	0.117 \| good	3.849 \| good	0.125 \| good
2025-07-22T04:00:00.000Z	39 \| good	3.29 \| good	14.148 \| good	41.948 \| good	0.109 \| good	4.12 \| good	0.128 \| good
2025-07-22T05:00:00.000Z	37 \| good	6.246 \| good	27.504 \| good	39.531 \| good	0.102 \| good	4.392 \| good	0.13 \| good
2025-07-22T06:00:00.000Z	33 \| good	4.442 \| good	5.139 \| good	36.186 \| good	0.089 \| good	4.574 \| good	0.132 \| good
2025-07-22T07:00:00.000Z	54 \| moderate	11.038 \| good	48.663 \| good	37.476 \| good	0.091 \| good	4.444 \| good	0.13 \| good
2025-07-22T08:00:00.000Z	56 \| moderate	12.137 \| fine	54.257 \| good	37.901 \| good	0.088 \| good	4.225 \| good	0.127 \| good
2025-07-22T09:00:00.000Z	56 \| moderate	12.086 \| good	54.172 \| good	38.078 \| good	0.085 \| good	4.006 \| good	0.123 \| good
2025-07-22T10:00:00.000Z	54 \| moderate	10.703 \| good	47.431 \| good	37.45 \| good	0.088 \| good	3.755 \| good	0.12 \| good

Colorado

Empower business decisions with accurate air quality data

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

Air quality in cities of Colorado, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Sterling, Colorado	54 Moderate	11.44μg/m³ Good	50.99μg/m³ Good	33.30ppb Good	0.25ppb Good	3.79ppb Good	0.14ppm Good
Superior, Colorado	46 Good	4.31μg/m³ Good	13.31μg/m³ Good	49.97ppb Good	0.74ppb Good	17.14ppb Good	0.33ppm Good
Welby, Colorado	44 Good	8.16μg/m³ Good	22.20μg/m³ Good	13.10ppb Good	0.33ppb Good	20.77ppb Good	0.37ppm Good
Commerce City, Colorado	44 Good	7.97μg/m³ Good	22.21μg/m³ Good	13.75ppb Good	0.40ppb Good	20.82ppb Good	0.37ppm Good
Longmont, Colorado	44 Good	8.10μg/m³ Good	35.98μg/m³ Good	29.76ppb Good	0.72ppb Good	15.03ppb Good	0.28ppm Good
Thornton, Colorado	44 Good	7.96μg/m³ Good	23.14μg/m³ Good	13.61ppb Good	0.45ppb Good	20.61ppb Good	0.38ppm Good
Aurora, Colorado	44 Good	6.23μg/m³ Good	46.92μg/m³ Good	25.50ppb Good	0.67ppb Good	18.95ppb Good	0.35ppm Good
Boulder, Colorado	44 Good	5.09μg/m³ Good	12.01μg/m³ Good	46.81ppb Good	0.73ppb Good	17.42ppb Good	0.31ppm Good
Durango, Colorado	43 Good	4.65μg/m³ Good	12.17μg/m³ Good	46.06ppb Good	0.60ppb Good	3.76ppb Good	0.28ppm Good
Federal Heights, Colorado	44 Good	7.74μg/m³ Good	24.05μg/m³ Good	14.13ppb Good	0.60ppb Good	20.42ppb Good	0.38ppm Good
Golden, Colorado	44 Good	3.14μg/m³ Good	14.05μg/m³ Good	46.51ppb Good	0.74ppb Good	13.31ppb Good	0.35ppm Good
Northglenn, Colorado	44 Good	7.77μg/m³ Good	23.91μg/m³ Good	14.18ppb Good	0.57ppb Good	20.36ppb Good	0.38ppm Good
Louisville, Colorado	42 Good	4.40μg/m³ Good	14.59μg/m³ Good	45.31ppb Good	0.73ppb Good	16.68ppb Good	0.32ppm Good
Sherrelwood, Colorado	44 Good	7.67μg/m³ Good	24.55μg/m³ Good	14.10ppb Good	0.66ppb Good	20.57ppb Good	0.39ppm Good
Steamboat Springs, Colorado	43 Good	3.50μg/m³ Good	9.02μg/m³ Good	45.90ppb Good	0.79ppb Good	8.65ppb Good	0.26ppm Good
Berkley, Colorado	38 Good	7.37μg/m³ Good	25.89μg/m³ Good	16.02ppb Good	0.84ppb Good	19.85ppb Good	0.40ppm Good
Parker, Colorado	38 Good	7.38μg/m³ Good	26.07μg/m³ Good	33.22ppb Good	0.70ppb Good	17.92ppb Good	0.33ppm Good
The Pinery, Colorado	38 Good	7.41μg/m³ Good	21.26μg/m³ Good	33.32ppb Good	0.69ppb Good	17.44ppb Good	0.32ppm Good
Westminster, Colorado	38 Good	7.48μg/m³ Good	24.62μg/m³ Good	14.61ppb Good	0.77ppb Good	20.16ppb Good	0.39ppm Good
Firestone, Colorado	38 Good	7.33μg/m³ Good	26.93μg/m³ Good	25.57ppb Good	0.68ppb Good	18.27ppb Good	0.29ppm Good
Frederick, Colorado	38 Good	7.33μg/m³ Good	26.93μg/m³ Good	25.57ppb Good	0.68ppb Good	18.27ppb Good	0.29ppm Good
Evans, Colorado	38 Good	7.20μg/m³ Good	24.89μg/m³ Good	27.67ppb Good	0.71ppb Good	16.68ppb Good	0.21ppm Good
Fairmount, Colorado	41 Good	3.42μg/m³ Good	13.62μg/m³ Good	43.72ppb Good	0.77ppb Good	14.84ppb Good	0.36ppm Good
Greeley, Colorado	38 Good	7.20μg/m³ Good	31.36μg/m³ Good	28.12ppb Good	0.71ppb Good	17.00ppb Good	0.21ppm Good
Littleton, Colorado	41 Good	3.12μg/m³ Good	12.75μg/m³ Good	43.70ppb Good	0.75ppb Good	16.31ppb Good	0.36ppm Good
Edwards, Colorado	38 Good	6.75μg/m³ Good	15.19μg/m³ Good	40.64ppb Good	0.77ppb Good	3.85ppb Good	0.28ppm Good
Johnstown, Colorado	38 Good	6.93μg/m³ Good	28.40μg/m³ Good	24.17ppb Good	0.71ppb Good	17.30ppb Good	0.25ppm Good
Lakewood, Colorado	38 Good	3.19μg/m³ Good	13.43μg/m³ Good	40.71ppb Good	0.76ppb Good	15.82ppb Good	0.37ppm Good
Brighton, Colorado	38 Good	6.75μg/m³ Good	34.95μg/m³ Good	25.26ppb Good	0.66ppb Good	17.93ppb Good	0.31ppm Good
Denver, Colorado	38 Good	6.67μg/m³ Good	28.20μg/m³ Good	23.81ppb Good	0.82ppb Good	15.31ppb Good	0.40ppm Good
Dakota Ridge, Colorado	37 Good	3.13μg/m³ Good	11.52μg/m³ Good	40.47ppb Good	0.74ppb Good	14.38ppb Good	0.35ppm Good
Rifle, Colorado	38 Good	6.71μg/m³ Good	34.13μg/m³ Good	29.00ppb Good	0.81ppb Good	3.81ppb Good	0.27ppm Good
Fort Morgan, Colorado	38 Good	6.57μg/m³ Good	29.07μg/m³ Good	32.57ppb Good	0.41ppb Good	5.10ppb Good	0.15ppm Good
Fort Collins, Colorado	38 Good	6.60μg/m³ Good	12.34μg/m³ Good	26.32ppb Good	0.73ppb Good	6.89ppb Good	0.20ppm Good
Ken Caryl, Colorado	36 Good	3.23μg/m³ Good	11.26μg/m³ Good	39.30ppb Good	0.74ppb Good	14.22ppb Good	0.35ppm Good
Lafayette, Colorado	36 Good	5.20μg/m³ Good	17.64μg/m³ Good	38.66ppb Good	0.69ppb Good	17.02ppb Good	0.32ppm Good
Severance, Colorado	33 Good	6.49μg/m³ Good	17.90μg/m³ Good	26.11ppb Good	0.72ppb Good	9.30ppb Good	0.22ppm Good
Columbine, Colorado	35 Good	3.61μg/m³ Good	12.31μg/m³ Good	37.84ppb Good	0.74ppb Good	14.64ppb Good	0.35ppm Good
Four Square Mile, Colorado	33 Good	6.38μg/m³ Good	23.94μg/m³ Good	26.37ppb Good	0.77ppb Good	17.95ppb Good	0.38ppm Good
Clifton, Colorado	33 Good	5.97μg/m³ Good	27.06μg/m³ Good	36.40ppb Good	0.72ppb Good	1.82ppb Good	0.53ppm Good
Fruita, Colorado	34 Good	5.79μg/m³ Good	23.35μg/m³ Good	36.62ppb Good	0.66ppb Good	3.37ppb Good	0.48ppm Good
Gunbarrel, Colorado	33 Good	4.58μg/m³ Good	16.61μg/m³ Good	36.37ppb Good	0.71ppb Good	16.43ppb Good	0.30ppm Good
Highlands Ranch, Colorado	33 Good	6.17μg/m³ Good	26.47μg/m³ Good	36.24ppb Good	0.73ppb Good	17.07ppb Good	0.35ppm Good
Greenwood Village, Colorado	34 Good	5.60μg/m³ Good	23.41μg/m³ Good	36.70ppb Good	0.74ppb Good	17.02ppb Good	0.36ppm Good
Grand Junction, Colorado	33 Good	6.20μg/m³ Good	27.97μg/m³ Good	35.73ppb Good	0.71ppb Good	3.12ppb Good	0.53ppm Good
Windsor, Colorado	33 Good	6.25μg/m³ Good	15.50μg/m³ Good	25.59ppb Good	0.72ppb Good	6.87ppb Good	0.22ppm Good
Centennial, Colorado	33 Good	5.92μg/m³ Good	24.59μg/m³ Good	35.61ppb Good	0.73ppb Good	17.05ppb Good	0.36ppm Good
Castle Pines, Colorado	33 Good	5.62μg/m³ Good	22.69μg/m³ Good	35.39ppb Good	0.73ppb Good	16.62ppb Good	0.36ppm Good
Englewood, Colorado	33 Good	4.94μg/m³ Good	20.22μg/m³ Good	35.96ppb Good	0.75ppb Good	16.73ppb Good	0.37ppm Good
Lone Tree, Colorado	33 Good	5.81μg/m³ Good	23.86μg/m³ Good	35.45ppb Good	0.73ppb Good	16.92ppb Good	0.36ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.24ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

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Check live rankings of places in the USA with the cleanest air.

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Frequently asked questions

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

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

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

Colorado, USA experienced its worst air quality at 09:00:00, 2025-07-19.

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

The best air quality in Colorado, USA was observed at 02:00:00 on 2025-07-19.

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

The air quality in Colorado, USA right now is Good, with an AQI of 33.

What pollutant is most frequently found in Colorado, USA?

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

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

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

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

Colorado, USA currently has a PM_2.5 concentration of 5.683 μg/m³.

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

Colorado, USA currently has a PM₁₀ concentration of 20.599 μg/m³.

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

The current carbon monoxide (CO) level in Colorado, USA is 0.322 ppm.

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

The current sulfur dioxide (SO₂) concentration in Colorado, USA is 0.695 ppb.

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

Colorado, USA currently has an ozone (O₃) concentration of 30.76 ppm.

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

The current level of nitrogen dioxide (NO₂) in Colorado, USA is 12.618 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-18T14:00:00.000Z	52 \| moderate	9.925 \| good	22.865 \| good	38.425 \| good	1.801 \| good	13.053 \| good	0.395 \| good
2025-07-18T15:00:00.000Z	54 \| moderate	11.386 \| good	31.22 \| good	47.929 \| good	2.083 \| good	4.106 \| good	0.384 \| good
2025-07-18T16:00:00.000Z	56 \| moderate	12.374 \| fine	30.86 \| good	47.273 \| good	1.105 \| good	13.006 \| good	0.287 \| good
2025-07-18T17:00:00.000Z	56 \| moderate	11.62 \| good	35.315 \| good	50.073 \| good	1.03 \| good	9.784 \| good	0.227 \| good
2025-07-18T18:00:00.000Z	50 \| good	8.905 \| good	21.383 \| good	54.347 \| good	0.617 \| good	6.688 \| good	0.178 \| good
2025-07-18T19:00:00.000Z	61 \| moderate	8.205 \| good	22.82 \| good	57.65 \| fine	0.786 \| good	9.389 \| good	0.188 \| good
2025-07-18T20:00:00.000Z	51 \| moderate	7.486 \| good	18.72 \| good	54.765 \| good	0.669 \| good	11.205 \| good	0.199 \| good
2025-07-18T21:00:00.000Z	54 \| moderate	7.584 \| good	23.763 \| good	56.028 \| fine	0.667 \| good	10.774 \| good	0.215 \| good
2025-07-18T22:00:00.000Z	51 \| moderate	8.033 \| good	27.016 \| good	55.097 \| fine	0.667 \| good	16.278 \| good	0.253 \| good
2025-07-18T23:00:00.000Z	50 \| good	6.87 \| good	23.217 \| good	54.374 \| good	0.579 \| good	13.141 \| good	0.242 \| good
2025-07-19T00:00:00.000Z	50 \| good	7.491 \| good	27.695 \| good	53.947 \| good	0.548 \| good	10.835 \| good	0.242 \| good
2025-07-19T01:00:00.000Z	47 \| good	5.822 \| good	18.814 \| good	50.938 \| good	0.602 \| good	12.054 \| good	0.323 \| good
2025-07-19T02:00:00.000Z	45 \| good	6.621 \| good	16.978 \| good	49.081 \| good	0.602 \| good	6.09 \| good	0.28 \| good
2025-07-19T03:00:00.000Z	43 \| good	6.886 \| good	19.926 \| good	46.279 \| good	0.57 \| good	4.083 \| good	0.328 \| good
2025-07-19T04:00:00.000Z	44 \| good	7.946 \| good	24.757 \| good	39.147 \| good	0.517 \| good	4.107 \| good	0.323 \| good
2025-07-19T05:00:00.000Z	38 \| good	7.31 \| good	21.864 \| good	40.618 \| good	0.474 \| good	4.319 \| good	0.281 \| good
2025-07-19T06:00:00.000Z	44 \| good	8.019 \| good	20.986 \| good	34.326 \| good	0.523 \| good	3.864 \| good	0.323 \| good
2025-07-19T07:00:00.000Z	38 \| good	6.975 \| good	24.128 \| good	34.698 \| good	0.523 \| good	3.805 \| good	0.285 \| good
2025-07-19T08:00:00.000Z	44 \| good	7.714 \| good	15.39 \| good	39.87 \| good	0.636 \| good	2.875 \| good	0.269 \| good
2025-07-19T09:00:00.000Z	37 \| good	6.346 \| good	14.655 \| good	40.493 \| good	0.628 \| good	3.524 \| good	0.296 \| good
2025-07-19T10:00:00.000Z	36 \| good	6.24 \| good	15.988 \| good	38.818 \| good	0.552 \| good	3.547 \| good	0.224 \| good
2025-07-19T11:00:00.000Z	33 \| good	6.321 \| good	25.817 \| good	36.323 \| good	0.592 \| good	3.922 \| good	0.197 \| good
2025-07-19T12:00:00.000Z	38 \| good	6.818 \| good	25.465 \| good	36.141 \| good	0.606 \| good	8.108 \| good	0.215 \| good
2025-07-19T13:00:00.000Z	32 \| good	5.25 \| good	16.286 \| good	35.431 \| good	0.635 \| good	8.98 \| good	0.269 \| good
2025-07-19T14:00:00.000Z	30 \| good	5.428 \| good	18.379 \| good	31.955 \| good	0.66 \| good	5.251 \| good	0.269 \| good
2025-07-19T15:00:00.000Z	35 \| good	5.36 \| good	16.508 \| good	37.536 \| good	0.543 \| good	3.193 \| good	0.242 \| good
2025-07-19T16:00:00.000Z	43 \| good	6.14 \| good	16.549 \| good	46.23 \| good	0.608 \| good	6.709 \| good	0.242 \| good
2025-07-19T17:00:00.000Z	46 \| good	7.974 \| good	28.037 \| good	49.629 \| good	0.733 \| good	9.167 \| good	0.188 \| good
2025-07-19T18:00:00.000Z	50 \| good	5.753 \| good	18.465 \| good	53.673 \| good	0.731 \| good	6.809 \| good	0.188 \| good
2025-07-19T19:00:00.000Z	50 \| good	5.177 \| good	16.007 \| good	54.263 \| good	0.791 \| good	6.292 \| good	0.215 \| good
2025-07-19T20:00:00.000Z	50 \| good	5.13 \| good	13.657 \| good	53.569 \| good	0.821 \| good	6.634 \| good	0.188 \| good
2025-07-19T21:00:00.000Z	61 \| moderate	4.821 \| good	12.308 \| good	57.602 \| fine	0.729 \| good	5.999 \| good	0.188 \| good
2025-07-19T22:00:00.000Z	50 \| good	4.174 \| good	15.045 \| good	53.705 \| good	0.671 \| good	6.247 \| good	0.181 \| good
2025-07-19T23:00:00.000Z	51 \| moderate	4.783 \| good	16.812 \| good	54.949 \| good	0.695 \| good	5.143 \| good	0.145 \| good
2025-07-20T00:00:00.000Z	49 \| good	6.061 \| good	20.289 \| good	53.123 \| good	0.516 \| good	3.204 \| good	0.127 \| good
2025-07-20T01:00:00.000Z	50 \| good	5.586 \| good	14.013 \| good	53.828 \| good	0.626 \| good	3.124 \| good	0.226 \| good
2025-07-20T02:00:00.000Z	46 \| good	4.119 \| good	12.467 \| good	49.954 \| good	0.606 \| good	3.809 \| good	0.253 \| good
2025-07-20T03:00:00.000Z	47 \| good	5.588 \| good	19.982 \| good	51.441 \| good	0.551 \| good	2.95 \| good	0.382 \| good
2025-07-20T04:00:00.000Z	46 \| good	4.557 \| good	12.262 \| good	49.608 \| good	0.6 \| good	2.27 \| good	0.36 \| good
2025-07-20T05:00:00.000Z	45 \| good	6.155 \| good	19.945 \| good	49.144 \| good	0.694 \| good	3.186 \| good	0.468 \| good
2025-07-20T06:00:00.000Z	45 \| good	5.663 \| good	16.957 \| good	49.418 \| good	0.577 \| good	3.249 \| good	0.431 \| good
2025-07-20T07:00:00.000Z	45 \| good	5.353 \| good	16.27 \| good	48.953 \| good	0.605 \| good	3.472 \| good	0.332 \| good
2025-07-20T08:00:00.000Z	45 \| good	5.536 \| good	20.72 \| good	48.686 \| good	0.696 \| good	4.547 \| good	0.35 \| good
2025-07-20T09:00:00.000Z	40 \| good	4.633 \| good	19.991 \| good	42.771 \| good	0.712 \| good	4.222 \| good	0.43 \| good
2025-07-20T10:00:00.000Z	40 \| good	7.023 \| good	19.526 \| good	42.711 \| good	0.739 \| good	4.357 \| good	0.296 \| good
2025-07-20T11:00:00.000Z	43 \| good	5.13 \| good	20.114 \| good	46.459 \| good	0.642 \| good	4.101 \| good	0.269 \| good
2025-07-20T12:00:00.000Z	46 \| good	6.763 \| good	20.431 \| good	50.07 \| good	0.67 \| good	7.81 \| good	0.224 \| good
2025-07-20T13:00:00.000Z	28 \| good	5.446 \| good	17.462 \| good	30.169 \| good	0.654 \| good	10.388 \| good	0.238 \| good
2025-07-20T11:00:00.000Z	52 \| moderate	9.661 \| good	42.841 \| good	39.394 \| good	0.124 \| good	3.964 \| good	0.119 \| good
2025-07-20T12:00:00.000Z	54 \| moderate	10.668 \| good	47.486 \| good	37.729 \| good	0.128 \| good	3.346 \| good	0.112 \| good
2025-07-20T13:00:00.000Z	49 \| good	8.625 \| good	37.477 \| good	35.437 \| good	0.141 \| good	2.402 \| good	0.109 \| good
2025-07-20T14:00:00.000Z	36 \| good	2.877 \| good	11.976 \| good	39.304 \| good	0.155 \| good	1.459 \| good	0.105 \| good
2025-07-20T15:00:00.000Z	40 \| good	1.616 \| good	6.743 \| good	43.202 \| good	0.168 \| good	0.515 \| good	0.102 \| good
2025-07-20T16:00:00.000Z	43 \| good	1.444 \| good	5.812 \| good	45.906 \| good	0.148 \| good	0.416 \| good	0.101 \| good
2025-07-20T17:00:00.000Z	44 \| good	1.95 \| good	8.008 \| good	46.865 \| good	0.128 \| good	0.316 \| good	0.1 \| good
2025-07-20T18:00:00.000Z	44 \| good	1.944 \| good	8.008 \| good	47.173 \| good	0.109 \| good	0.216 \| good	0.099 \| good
2025-07-20T19:00:00.000Z	44 \| good	2.076 \| good	8.186 \| good	47.554 \| good	0.102 \| good	0.238 \| good	0.098 \| good
2025-07-20T20:00:00.000Z	44 \| good	2.381 \| good	9.748 \| good	48.293 \| good	0.096 \| good	0.259 \| good	0.097 \| good
2025-07-20T21:00:00.000Z	45 \| good	2.456 \| good	9.847 \| good	49.336 \| good	0.09 \| good	0.281 \| good	0.095 \| good
2025-07-20T22:00:00.000Z	46 \| good	1.415 \| good	5.627 \| good	50.052 \| good	0.107 \| good	0.4 \| good	0.096 \| good
2025-07-20T23:00:00.000Z	47 \| good	1.709 \| good	7.238 \| good	51.334 \| good	0.125 \| good	0.519 \| good	0.097 \| good
2025-07-21T00:00:00.000Z	48 \| good	3.413 \| good	14.819 \| good	51.561 \| good	0.143 \| good	0.638 \| good	0.097 \| good
2025-07-21T01:00:00.000Z	43 \| good	3.661 \| good	15.971 \| good	46.195 \| good	0.157 \| good	1.97 \| good	0.11 \| good
2025-07-21T02:00:00.000Z	42 \| good	2.206 \| good	8.961 \| good	45.435 \| good	0.171 \| good	3.303 \| good	0.123 \| good
2025-07-21T03:00:00.000Z	38 \| good	1.019 \| good	3.912 \| good	40.867 \| good	0.185 \| good	4.636 \| good	0.136 \| good
2025-07-21T04:00:00.000Z	36 \| good	0.284 \| good	0.975 \| good	38.902 \| good	0.176 \| good	4.912 \| good	0.138 \| good
2025-07-21T05:00:00.000Z	36 \| good	0.486 \| good	1.966 \| good	39.051 \| good	0.167 \| good	5.187 \| good	0.14 \| good
2025-07-21T06:00:00.000Z	37 \| good	1.046 \| good	4.121 \| good	39.89 \| good	0.158 \| good	5.463 \| good	0.142 \| good
2025-07-21T07:00:00.000Z	36 \| good	2.351 \| good	10 \| good	38.752 \| good	0.16 \| good	4.886 \| good	0.135 \| good
2025-07-21T08:00:00.000Z	36 \| good	2.491 \| good	10 \| good	38.918 \| good	0.161 \| good	4.308 \| good	0.128 \| good
2025-07-21T09:00:00.000Z	35 \| good	2.072 \| good	8.222 \| good	37.881 \| good	0.163 \| good	3.731 \| good	0.121 \| good
2025-07-21T10:00:00.000Z	36 \| good	2.082 \| good	8.21 \| good	39.217 \| good	0.169 \| good	3.521 \| good	0.117 \| good
2025-07-21T11:00:00.000Z	35 \| good	1.652 \| good	6.809 \| good	37.905 \| good	0.175 \| good	3.31 \| good	0.113 \| good
2025-07-21T12:00:00.000Z	33 \| good	3.004 \| good	13.051 \| good	36.342 \| good	0.182 \| good	3.099 \| good	0.109 \| good
2025-07-21T13:00:00.000Z	31 \| good	4.941 \| good	21.279 \| good	33.562 \| good	0.168 \| good	2.279 \| good	0.106 \| good
2025-07-21T14:00:00.000Z	35 \| good	5.56 \| good	23.894 \| good	37.612 \| good	0.153 \| good	1.458 \| good	0.102 \| good
2025-07-21T15:00:00.000Z	40 \| good	5.241 \| good	22.814 \| good	42.83 \| good	0.139 \| good	0.637 \| good	0.099 \| good
2025-07-21T16:00:00.000Z	42 \| good	5.389 \| good	23.119 \| good	45.419 \| good	0.12 \| good	0.497 \| good	0.096 \| good
2025-07-21T17:00:00.000Z	42 \| good	5.446 \| good	23.215 \| good	45.465 \| good	0.102 \| good	0.357 \| good	0.092 \| good
2025-07-21T18:00:00.000Z	43 \| good	3.762 \| good	16.72 \| good	45.916 \| good	0.083 \| good	0.216 \| good	0.089 \| good
2025-07-21T19:00:00.000Z	43 \| good	3.507 \| good	15.558 \| good	46.192 \| good	0.085 \| good	0.264 \| good	0.089 \| good
2025-07-21T20:00:00.000Z	46 \| good	2.25 \| good	9.071 \| good	50.192 \| good	0.087 \| good	0.312 \| good	0.089 \| good
2025-07-21T21:00:00.000Z	46 \| good	2.573 \| good	10.623 \| good	50.457 \| good	0.088 \| good	0.36 \| good	0.09 \| good
2025-07-21T22:00:00.000Z	46 \| good	1.818 \| good	7.752 \| good	50.107 \| good	0.102 \| good	0.481 \| good	0.092 \| good
2025-07-21T23:00:00.000Z	44 \| good	1.142 \| good	4.839 \| good	46.969 \| good	0.117 \| good	0.602 \| good	0.094 \| good
2025-07-22T00:00:00.000Z	44 \| good	0.656 \| good	2.053 \| good	48.44 \| good	0.131 \| good	0.722 \| good	0.096 \| good
2025-07-22T01:00:00.000Z	44 \| good	0.127 \| good	0.053 \| good	48.443 \| good	0.126 \| good	1.764 \| good	0.106 \| good
2025-07-22T02:00:00.000Z	44 \| good	0.177 \| good	0.224 \| good	47.009 \| good	0.121 \| good	2.806 \| good	0.115 \| good
2025-07-22T03:00:00.000Z	42 \| good	0.896 \| good	3.684 \| good	45.457 \| good	0.117 \| good	3.849 \| good	0.125 \| good
2025-07-22T04:00:00.000Z	39 \| good	3.29 \| good	14.148 \| good	41.948 \| good	0.109 \| good	4.12 \| good	0.128 \| good
2025-07-22T05:00:00.000Z	37 \| good	6.246 \| good	27.504 \| good	39.531 \| good	0.102 \| good	4.392 \| good	0.13 \| good
2025-07-22T06:00:00.000Z	33 \| good	4.442 \| good	5.139 \| good	36.186 \| good	0.089 \| good	4.574 \| good	0.132 \| good
2025-07-22T07:00:00.000Z	54 \| moderate	11.038 \| good	48.663 \| good	37.476 \| good	0.091 \| good	4.444 \| good	0.13 \| good
2025-07-22T08:00:00.000Z	56 \| moderate	12.137 \| fine	54.257 \| good	37.901 \| good	0.088 \| good	4.225 \| good	0.127 \| good
2025-07-22T09:00:00.000Z	56 \| moderate	12.086 \| good	54.172 \| good	38.078 \| good	0.085 \| good	4.006 \| good	0.123 \| good
2025-07-22T10:00:00.000Z	54 \| moderate	10.703 \| good	47.431 \| good	37.45 \| good	0.088 \| good	3.755 \| good	0.12 \| good

Current air quality index in Colorado, USA today

Common air pollutants in Colorado, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Colorado, USA air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in cities of Colorado, USA

Air quality in nearby states

Nebraska, USA

Wyoming, USA

New Mexico, USA

Utah, USA

Kansas, USA

South Dakota, USA

How accurate is Colorado, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

What pollutant is most frequently found in Colorado, USA?

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

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

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

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

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

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

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

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 Colorado, USA right now?

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

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

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

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