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

Colorado, USA currently has a PM10 concentration of 43.917 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Colorado, USA is 0.388 ppb.

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

Colorado, USA currently has an ozone (O3) concentration of 32.698 ppm.

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

The current level of nitrogen dioxide (NO2) in Colorado, USA is 16.781 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)

Moderate

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)

13.16 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

53.79 μg/m³

155

255

425

605+

Ozone (O₃)

31.95 ppb

201

201+

Sulfur Dioxide (SO₂)

1.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.13 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.61 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-02T16:00:00.000Z	35 \| good	5.127 \| good	18.952 \| good	38.232 \| good	0.392 \| good	3.138 \| good	0.25 \| good
2025-09-02T17:00:00.000Z	38 \| good	5.424 \| good	19.448 \| good	40.771 \| good	0.373 \| good	6.089 \| good	0.237 \| good
2025-09-02T18:00:00.000Z	40 \| good	5.632 \| good	16.292 \| good	42.684 \| good	0.616 \| good	12.065 \| good	0.224 \| good
2025-09-02T19:00:00.000Z	44 \| good	5.055 \| good	13.862 \| good	47.46 \| good	0.847 \| good	8.821 \| good	0.198 \| good
2025-09-02T20:00:00.000Z	46 \| good	6.555 \| good	18.231 \| good	50.125 \| good	0.563 \| good	5.913 \| good	0.224 \| good
2025-09-02T21:00:00.000Z	49 \| good	6.215 \| good	18.52 \| good	52.607 \| good	0.37 \| good	5.766 \| good	0.145 \| good
2025-09-02T22:00:00.000Z	46 \| good	7.374 \| good	16.091 \| good	50.004 \| good	0.306 \| good	4.461 \| good	0.151 \| good
2025-09-02T23:00:00.000Z	50 \| good	6.323 \| good	18.74 \| good	54.245 \| good	0.284 \| good	5.96 \| good	0.199 \| good
2025-09-03T00:00:00.000Z	51 \| moderate	5.582 \| good	24.353 \| good	54.68 \| good	0.239 \| good	4.303 \| good	0.226 \| good
2025-09-03T01:00:00.000Z	46 \| good	5.667 \| good	20.916 \| good	50.014 \| good	0.21 \| good	1.494 \| good	0.253 \| good
2025-09-03T02:00:00.000Z	47 \| good	6.562 \| good	20.209 \| good	51.072 \| good	0.213 \| good	2.512 \| good	0.228 \| good
2025-09-03T03:00:00.000Z	49 \| good	5.838 \| good	25.317 \| good	52.775 \| good	0.263 \| good	5.701 \| good	0.156 \| good
2025-09-03T04:00:00.000Z	47 \| good	5.802 \| good	20.331 \| good	50.505 \| good	0.241 \| good	4.137 \| good	0.292 \| good
2025-09-03T05:00:00.000Z	44 \| good	5.966 \| good	18.9 \| good	48.489 \| good	0.272 \| good	3.51 \| good	0.293 \| good
2025-09-03T06:00:00.000Z	44 \| good	6.064 \| good	31.712 \| good	47.811 \| good	0.297 \| good	7.099 \| good	0.266 \| good
2025-09-03T07:00:00.000Z	44 \| good	6.283 \| good	26.207 \| good	47.368 \| good	0.301 \| good	4.524 \| good	0.221 \| good
2025-09-03T08:00:00.000Z	44 \| good	6.787 \| good	25.21 \| good	46.963 \| good	0.393 \| good	3.617 \| good	0.176 \| good
2025-09-03T09:00:00.000Z	39 \| good	6.567 \| good	21.994 \| good	42.35 \| good	0.281 \| good	4.773 \| good	0.18 \| good
2025-09-03T10:00:00.000Z	39 \| good	6.835 \| good	12.593 \| good	42.266 \| good	0.277 \| good	4.881 \| good	0.13 \| good
2025-09-03T11:00:00.000Z	40 \| good	7.035 \| good	14.968 \| good	43.189 \| good	0.309 \| good	3.943 \| good	0.211 \| good
2025-09-03T12:00:00.000Z	42 \| good	6.673 \| good	14.949 \| good	45.272 \| good	0.367 \| good	8.987 \| good	0.27 \| good
2025-09-03T13:00:00.000Z	41 \| good	6.447 \| good	14.102 \| good	44.42 \| good	0.576 \| good	4.044 \| good	0.441 \| good
2025-09-03T14:00:00.000Z	42 \| good	6.205 \| good	12.712 \| good	44.912 \| good	0.824 \| good	4.146 \| good	0.547 \| good
2025-09-03T15:00:00.000Z	41 \| good	7.136 \| good	18.69 \| good	44.099 \| good	1.229 \| good	5.142 \| good	0.431 \| good
2025-09-03T16:00:00.000Z	41 \| good	6.368 \| good	27.684 \| good	43.611 \| good	1.515 \| good	2.375 \| good	0.306 \| good
2025-09-03T17:00:00.000Z	38 \| good	6.791 \| good	25.844 \| good	38.701 \| good	1.015 \| good	5.804 \| good	0.3 \| good
2025-09-03T18:00:00.000Z	44 \| good	7.03 \| good	28.828 \| good	47.046 \| good	0.292 \| good	8.252 \| good	0.324 \| good
2025-09-03T19:00:00.000Z	44 \| good	6.264 \| good	21.787 \| good	47.198 \| good	0.211 \| good	6.649 \| good	0.363 \| good
2025-09-03T20:00:00.000Z	49 \| good	7.326 \| good	18.025 \| good	52.687 \| good	0.221 \| good	6.623 \| good	0.369 \| good
2025-09-03T21:00:00.000Z	49 \| good	7.773 \| good	23.116 \| good	52.562 \| good	0.299 \| good	5.637 \| good	0.3 \| good
2025-09-03T22:00:00.000Z	51 \| moderate	8.214 \| good	17.742 \| good	54.645 \| good	0.288 \| good	4.431 \| good	0.3 \| good
2025-09-03T23:00:00.000Z	51 \| moderate	7.133 \| good	19.666 \| good	54.584 \| good	0.463 \| good	7.413 \| good	0.193 \| good
2025-09-04T00:00:00.000Z	61 \| moderate	10.219 \| good	21.068 \| good	57.566 \| fine	0.779 \| good	3.735 \| good	0.164 \| good
2025-09-04T01:00:00.000Z	51 \| moderate	6.217 \| good	37.45 \| good	55.313 \| fine	0.336 \| good	2.275 \| good	0.165 \| good
2025-09-04T02:00:00.000Z	54 \| moderate	10.778 \| good	17.157 \| good	52.182 \| good	0.285 \| good	3.027 \| good	0.167 \| good
2025-09-04T03:00:00.000Z	54 \| moderate	10.903 \| good	55.967 \| fine	51.998 \| good	0.367 \| good	3.025 \| good	0.335 \| good
2025-09-04T04:00:00.000Z	46 \| good	7.894 \| good	23.399 \| good	49.918 \| good	0.313 \| good	4.5 \| good	0.338 \| good
2025-09-04T05:00:00.000Z	45 \| good	8.213 \| good	19.605 \| good	48.804 \| good	0.595 \| good	6.175 \| good	0.312 \| good
2025-09-04T06:00:00.000Z	52 \| moderate	9.809 \| good	26.281 \| good	48.068 \| good	0.486 \| good	5.822 \| good	0.314 \| good
2025-09-04T07:00:00.000Z	56 \| moderate	11.54 \| good	21.591 \| good	45.333 \| good	0.367 \| good	8.697 \| good	0.199 \| good
2025-09-04T08:00:00.000Z	54 \| moderate	10.596 \| good	20.314 \| good	42.932 \| good	0.438 \| good	6.832 \| good	0.166 \| good
2025-09-04T09:00:00.000Z	54 \| moderate	10.542 \| good	23.383 \| good	45.654 \| good	0.415 \| good	4.285 \| good	0.142 \| good
2025-09-04T10:00:00.000Z	54 \| moderate	11.102 \| good	26.363 \| good	47.301 \| good	0.561 \| good	3.077 \| good	0.141 \| good
2025-09-04T11:00:00.000Z	49 \| good	9.277 \| good	18.425 \| good	42.971 \| good	0.333 \| good	3.074 \| good	0.163 \| good
2025-09-04T12:00:00.000Z	56 \| moderate	11.611 \| good	29.303 \| good	47.901 \| good	0.39 \| good	4.429 \| good	0.323 \| good
2025-09-04T13:00:00.000Z	37 \| good	5.807 \| good	25.441 \| good	39.503 \| good	0.126 \| good	2.009 \| good	0.106 \| good
2025-09-04T14:00:00.000Z	49 \| good	9.351 \| good	22.161 \| good	46.439 \| good	1.188 \| good	5.838 \| good	0.521 \| good
2025-09-04T15:00:00.000Z	44 \| good	8.025 \| good	23.836 \| good	47.111 \| good	0.809 \| good	4.512 \| good	0.355 \| good
2025-09-04T15:00:00.000Z	58 \| moderate	13.165 \| fine	53.79 \| good	31.95 \| good	1.293 \| good	22.134 \| good	0.607 \| good
2025-09-04T13:00:00.000Z	34 \| good	3.282 \| good	14.503 \| good	36.977 \| good	0.118 \| good	2.031 \| good	0.106 \| good
2025-09-04T14:00:00.000Z	38 \| good	3.983 \| good	17.445 \| good	40.794 \| good	0.118 \| good	1.696 \| good	0.107 \| good
2025-09-04T15:00:00.000Z	45 \| good	3.853 \| good	17.036 \| good	49.438 \| good	0.118 \| good	1.362 \| good	0.108 \| good
2025-09-04T16:00:00.000Z	47 \| good	3.846 \| good	17 \| good	51.05 \| good	0.117 \| good	0.977 \| good	0.104 \| good
2025-09-04T17:00:00.000Z	48 \| good	4.017 \| good	18 \| good	51.921 \| good	0.117 \| good	0.593 \| good	0.099 \| good
2025-09-04T18:00:00.000Z	50 \| good	3.578 \| good	15.972 \| good	53.672 \| good	0.116 \| good	0.209 \| good	0.094 \| good
2025-09-04T19:00:00.000Z	51 \| moderate	3.683 \| good	16.036 \| good	55.311 \| fine	0.123 \| good	0.209 \| good	0.095 \| good
2025-09-04T20:00:00.000Z	54 \| moderate	5.812 \| good	25.472 \| good	55.648 \| fine	0.13 \| good	0.209 \| good	0.095 \| good
2025-09-04T21:00:00.000Z	58 \| moderate	12.574 \| fine	56.554 \| fine	54.012 \| good	0.137 \| good	0.209 \| good	0.095 \| good
2025-09-04T22:00:00.000Z	67 \| moderate	17.681 \| fine	78.23 \| fine	52.262 \| good	0.139 \| good	0.611 \| good	0.099 \| good
2025-09-04T23:00:00.000Z	73 \| moderate	21.426 \| fine	94.426 \| fine	52.179 \| good	0.14 \| good	1.013 \| good	0.103 \| good
2025-09-05T00:00:00.000Z	81 \| moderate	24.74 \| fine	108.061 \| fine	49.576 \| good	0.142 \| good	1.414 \| good	0.107 \| good
2025-09-05T01:00:00.000Z	82 \| moderate	25.794 \| fine	112.502 \| fine	48.596 \| good	0.146 \| good	2.239 \| good	0.114 \| good
2025-09-05T02:00:00.000Z	79 \| moderate	23.951 \| fine	104.969 \| fine	44.111 \| good	0.15 \| good	3.064 \| good	0.122 \| good
2025-09-05T03:00:00.000Z	69 \| moderate	19.472 \| fine	86.376 \| fine	39.812 \| good	0.153 \| good	3.889 \| good	0.129 \| good
2025-09-05T04:00:00.000Z	58 \| moderate	12.957 \| fine	57.721 \| fine	36.193 \| good	0.181 \| good	3.996 \| good	0.131 \| good
2025-09-05T05:00:00.000Z	52 \| moderate	9.924 \| good	44.068 \| good	33.977 \| good	0.209 \| good	4.102 \| good	0.133 \| good
2025-09-05T06:00:00.000Z	56 \| moderate	11.81 \| good	52.605 \| good	33.846 \| good	0.237 \| good	4.208 \| good	0.135 \| good
2025-09-05T07:00:00.000Z	56 \| moderate	11.513 \| good	50.847 \| good	33.065 \| good	0.295 \| good	3.999 \| good	0.14 \| good
2025-09-05T08:00:00.000Z	54 \| moderate	10.724 \| good	47.406 \| good	32.619 \| good	0.354 \| good	3.79 \| good	0.144 \| good
2025-09-05T09:00:00.000Z	52 \| moderate	9.572 \| good	42.67 \| good	33.088 \| good	0.413 \| good	3.581 \| good	0.149 \| good
2025-09-05T10:00:00.000Z	49 \| good	8.622 \| good	37.843 \| good	35.917 \| good	0.41 \| good	3.601 \| good	0.151 \| good
2025-09-05T11:00:00.000Z	44 \| good	8.122 \| good	35.756 \| good	39.121 \| good	0.408 \| good	3.62 \| good	0.153 \| good
2025-09-05T12:00:00.000Z	38 \| good	6.73 \| good	29.947 \| good	32.726 \| good	0.406 \| good	3.639 \| good	0.155 \| good
2025-09-05T13:00:00.000Z	38 \| good	6.634 \| good	29.675 \| good	32.05 \| good	0.428 \| good	3.131 \| good	0.156 \| good
2025-09-05T14:00:00.000Z	34 \| good	6.186 \| good	27.713 \| good	37.066 \| good	0.45 \| good	2.623 \| good	0.156 \| good
2025-09-05T15:00:00.000Z	39 \| good	4.48 \| good	19 \| good	42.295 \| good	0.472 \| good	2.115 \| good	0.156 \| good
2025-09-05T16:00:00.000Z	42 \| good	4.424 \| good	18.911 \| good	44.783 \| good	0.407 \| good	1.587 \| good	0.146 \| good
2025-09-05T17:00:00.000Z	42 \| good	4.613 \| good	19.84 \| good	44.9 \| good	0.342 \| good	1.059 \| good	0.136 \| good
2025-09-05T18:00:00.000Z	42 \| good	4.382 \| good	19 \| good	44.662 \| good	0.276 \| good	0.531 \| good	0.127 \| good
2025-09-05T19:00:00.000Z	42 \| good	3.877 \| good	16.809 \| good	45.002 \| good	0.256 \| good	0.559 \| good	0.124 \| good
2025-09-05T20:00:00.000Z	41 \| good	3.891 \| good	16.843 \| good	44.299 \| good	0.236 \| good	0.587 \| good	0.122 \| good
2025-09-05T21:00:00.000Z	41 \| good	4.172 \| good	18.623 \| good	44.349 \| good	0.216 \| good	0.615 \| good	0.12 \| good
2025-09-05T22:00:00.000Z	39 \| good	4.895 \| good	20.968 \| good	42.232 \| good	0.248 \| good	0.797 \| good	0.124 \| good
2025-09-05T23:00:00.000Z	36 \| good	5.273 \| good	22.706 \| good	39.359 \| good	0.28 \| good	0.98 \| good	0.129 \| good
2025-09-06T00:00:00.000Z	38 \| good	5.07 \| good	21.748 \| good	41.256 \| good	0.312 \| good	1.162 \| good	0.133 \| good
2025-09-06T01:00:00.000Z	38 \| good	3.855 \| good	16.898 \| good	40.908 \| good	0.323 \| good	2.863 \| good	0.148 \| good
2025-09-06T02:00:00.000Z	35 \| good	2.768 \| good	11.63 \| good	38.116 \| good	0.333 \| good	4.563 \| good	0.163 \| good
2025-09-06T03:00:00.000Z	33 \| good	2.05 \| good	8.347 \| good	36.158 \| good	0.344 \| good	6.264 \| good	0.178 \| good
2025-09-06T04:00:00.000Z	34 \| good	2.012 \| good	8.139 \| good	36.998 \| good	0.295 \| good	6.68 \| good	0.181 \| good
2025-09-06T05:00:00.000Z	35 \| good	1.952 \| good	8.008 \| good	37.602 \| good	0.247 \| good	7.097 \| good	0.183 \| good
2025-09-06T06:00:00.000Z	56 \| moderate	11.543 \| good	13.643 \| good	33.545 \| good	0.181 \| good	7.376 \| good	0.183 \| good
2025-09-06T07:00:00.000Z	34 \| good	3.408 \| good	14.918 \| good	37.23 \| good	0.158 \| good	6.594 \| good	0.174 \| good
2025-09-06T08:00:00.000Z	34 \| good	4.209 \| good	18.543 \| good	37.45 \| good	0.118 \| good	5.674 \| good	0.162 \| good
2025-09-06T09:00:00.000Z	33 \| good	4.858 \| good	20.975 \| good	36.271 \| good	0.077 \| good	4.754 \| good	0.15 \| good
2025-09-06T10:00:00.000Z	33 \| good	6.398 \| good	28.757 \| good	35.162 \| good	0.071 \| good	4.182 \| good	0.144 \| good
2025-09-06T11:00:00.000Z	38 \| good	7.016 \| good	30.971 \| good	34.954 \| good	0.064 \| good	3.61 \| good	0.137 \| good
2025-09-06T12:00:00.000Z	49 \| good	9.326 \| good	10.979 \| good	34.15 \| good	0.058 \| good	3.038 \| good	0.13 \| 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
Fort Collins, Colorado	62 Moderate	14.52μg/m³ Fine	64.86μg/m³ Fine	20.15ppb Good	0.17ppb Good	4.66ppb Good	0.14ppm Good
Commerce City, Colorado	58 Moderate	13.02μg/m³ Fine	58.29μg/m³ Fine	8.57ppb Good	0.45ppb Good	7.79ppb Good	0.17ppm Good
Welby, Colorado	58 Moderate	12.71μg/m³ Fine	56.57μg/m³ Fine	8.73ppb Good	0.45ppb Good	8.08ppb Good	0.17ppm Good
Thornton, Colorado	56 Moderate	12.15μg/m³ Fine	53.92μg/m³ Good	10.01ppb Good	0.43ppb Good	7.96ppb Good	0.17ppm Good
Windsor, Colorado	56 Moderate	12.16μg/m³ Fine	54.43μg/m³ Fine	18.67ppb Good	0.24ppb Good	7.23ppb Good	0.17ppm Good
Aurora, Colorado	56 Moderate	11.80μg/m³ Good	52.42μg/m³ Good	14.29ppb Good	0.52ppb Good	7.91ppb Good	0.17ppm Good
Cherry Creek, Colorado	56 Moderate	12.09μg/m³ Hazardous	54.15μg/m³ Fine	12.29ppb Good	0.45ppb Good	7.11ppb Good	0.16ppm Good
Evans, Colorado	56 Moderate	11.80μg/m³ Good	51.97μg/m³ Good	16.58ppb Good	0.27ppb Good	8.05ppb Good	0.17ppm Good
Sherrelwood, Colorado	56 Moderate	11.83μg/m³ Good	51.98μg/m³ Good	10.13ppb Good	0.39ppb Good	7.05ppb Good	0.16ppm Good
Wellington, Colorado	56 Moderate	11.79μg/m³ Good	52.35μg/m³ Good	23.01ppb Good	0.15ppb Good	4.42ppb Good	0.14ppm Good
Denver, Colorado	54 Moderate	11.36μg/m³ Good	50.16μg/m³ Good	13.99ppb Good	0.41ppb Good	6.51ppb Good	0.16ppm Good
Federal Heights, Colorado	54 Moderate	11.41μg/m³ Good	50.26μg/m³ Good	11.55ppb Good	0.38ppb Good	7.17ppb Good	0.16ppm Good
Fort Morgan, Colorado	54 Moderate	11.48μg/m³ Good	50.55μg/m³ Good	14.91ppb Good	0.27ppb Good	4.20ppb Good	0.15ppm Good
Four Square Mile, Colorado	54 Moderate	11.33μg/m³ Good	50.52μg/m³ Good	15.81ppb Good	0.51ppb Good	7.51ppb Good	0.17ppm Good
Northglenn, Colorado	54 Moderate	11.27μg/m³ Good	49.78μg/m³ Good	12.20ppb Good	0.39ppb Good	7.35ppb Good	0.16ppm Good
Severance, Colorado	54 Moderate	11.28μg/m³ Good	49.92μg/m³ Good	20.51ppb Good	0.24ppb Good	7.10ppb Good	0.17ppm Good
Berkley, Colorado	54 Moderate	10.83μg/m³ Good	47.99μg/m³ Good	14.42ppb Good	0.35ppb Good	6.36ppb Good	0.15ppm Good
Edwards, Colorado	54 Moderate	11.06μg/m³ Good	49.03μg/m³ Good	33.98ppb Good	0.17ppb Good	3.68ppb Good	0.12ppm Good
Greeley, Colorado	54 Moderate	11.05μg/m³ Good	49.01μg/m³ Good	18.95ppb Good	0.26ppb Good	7.99ppb Good	0.17ppm Good
Johnstown, Colorado	54 Moderate	10.67μg/m³ Good	47.47μg/m³ Good	18.54ppb Good	0.27ppb Good	7.33ppb Good	0.16ppm Good
Loveland, Colorado	54 Moderate	10.71μg/m³ Good	47.52μg/m³ Good	23.29ppb Good	0.19ppb Good	5.02ppb Good	0.14ppm Good
Westminster, Colorado	54 Moderate	10.77μg/m³ Good	47.72μg/m³ Good	14.59ppb Good	0.34ppb Good	6.37ppb Good	0.15ppm Good
Brighton, Colorado	52 Moderate	10.33μg/m³ Good	45.89μg/m³ Good	14.40ppb Good	0.63ppb Good	12.89ppb Good	0.21ppm Good
Englewood, Colorado	52 Moderate	10.34μg/m³ Good	45.77μg/m³ Good	19.58ppb Good	0.41ppb Good	6.25ppb Good	0.15ppm Good
Arvada, Colorado	52 Moderate	9.56μg/m³ Good	42.37μg/m³ Good	21.09ppb Good	0.31ppb Good	5.60ppb Good	0.15ppm Good
Cimarron Hills, Colorado	52 Moderate	9.63μg/m³ Good	42.85μg/m³ Good	29.23ppb Good	0.43ppb Good	3.49ppb Good	0.14ppm Good
Broomfield, Colorado	52 Moderate	9.56μg/m³ Good	42.21μg/m³ Good	21.37ppb Good	0.28ppb Good	5.78ppb Good	0.15ppm Good
Firestone, Colorado	52 Moderate	9.87μg/m³ Good	43.65μg/m³ Good	16.68ppb Good	0.43ppb Good	9.04ppb Good	0.18ppm Good
Frederick, Colorado	52 Moderate	9.88μg/m³ Good	43.73μg/m³ Good	16.52ppb Good	0.45ppb Good	9.49ppb Good	0.18ppm Good
Greenwood Village, Colorado	52 Moderate	10.00μg/m³ Good	44.32μg/m³ Good	21.73ppb Good	0.45ppb Good	6.56ppb Good	0.16ppm Good
Wheat Ridge, Colorado	52 Moderate	9.84μg/m³ Good	43.49μg/m³ Good	19.81ppb Good	0.33ppb Good	5.60ppb Good	0.15ppm Good
Centennial, Colorado	49 Good	9.43μg/m³ Good	41.73μg/m³ Good	23.52ppb Good	0.49ppb Good	7.02ppb Good	0.16ppm Good
Fountain, Colorado	49 Good	9.31μg/m³ Good	41.24μg/m³ Good	29.59ppb Good	0.42ppb Good	3.62ppb Good	0.14ppm Good
Littleton, Colorado	49 Good	9.41μg/m³ Good	41.77μg/m³ Good	24.20ppb Good	0.40ppb Good	5.89ppb Good	0.15ppm Good
SecurityWidefield, Colorado	49 Good	9.35μg/m³ Good	41.44μg/m³ Good	31.14ppb Good	0.44ppb Good	3.51ppb Good	0.14ppm Good
Colorado Springs, Colorado	49 Good	8.99μg/m³ Good	39.86μg/m³ Good	35.31ppb Good	0.45ppb Good	3.49ppb Good	0.14ppm Good
Fort Carson, Colorado	49 Good	8.91μg/m³ Good	39.13μg/m³ Good	34.52ppb Good	0.45ppb Good	3.50ppb Good	0.14ppm Good
Erie, Colorado	49 Good	8.98μg/m³ Good	39.38μg/m³ Good	20.16ppb Good	0.27ppb Good	5.72ppb Good	0.14ppm Good
Lafayette, Colorado	49 Good	9.01μg/m³ Good	40.14μg/m³ Good	22.88ppb Good	0.25ppb Good	5.42ppb Good	0.14ppm Good
Lakewood, Colorado	49 Good	8.85μg/m³ Good	39.03μg/m³ Good	25.60ppb Good	0.31ppb Good	5.05ppb Good	0.14ppm Good
Lone Tree, Colorado	49 Good	8.66μg/m³ Good	38.09μg/m³ Good	25.38ppb Good	0.50ppb Good	7.18ppb Good	0.17ppm Good
Berthoud, Colorado	49 Good	8.56μg/m³ Good	37.63μg/m³ Good	25.87ppb Good	0.20ppb Good	4.92ppb Good	0.14ppm Good
Highlands Ranch, Colorado	49 Good	8.61μg/m³ Good	37.72μg/m³ Good	26.70ppb Good	0.41ppb Good	5.94ppb Good	0.15ppm Good
Longmont, Colorado	49 Good	8.58μg/m³ Good	37.75μg/m³ Good	21.20ppb Good	0.24ppb Good	5.55ppb Good	0.14ppm Good
Sterling, Colorado	44 Good	8.48μg/m³ Good	37.00μg/m³ Good	21.04ppb Good	0.16ppb Good	2.44ppb Good	0.14ppm Good
Columbine, Colorado	44 Good	8.38μg/m³ Good	36.84μg/m³ Good	28.29ppb Good	0.31ppb Good	4.77ppb Good	0.14ppm Good
Gunbarrel, Colorado	44 Good	8.28μg/m³ Good	36.79μg/m³ Good	24.38ppb Good	0.21ppb Good	4.73ppb Good	0.14ppm Good
Louisville, Colorado	44 Good	8.21μg/m³ Good	36.39μg/m³ Good	28.98ppb Good	0.21ppb Good	4.70ppb Good	0.14ppm Good
Black Forest, Colorado	44 Good	8.06μg/m³ Good	35.47μg/m³ Good	30.75ppb Good	0.40ppb Good	3.53ppb Good	0.14ppm Good
Clifton, Colorado	44 Good	7.80μg/m³ Good	34.13μg/m³ Good	21.73ppb Good	0.31ppb Good	4.27ppb Good	0.13ppm Good

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

0.21ppm

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 12:00:00, 2025-09-04.

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

The best air quality in Colorado, USA was observed at 05:00:00 on 2025-09-03.

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

The air quality in Colorado, USA right now is Moderate, with an AQI of 56.

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 12.055 μg/m³.

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

Colorado, USA currently has a PM₁₀ concentration of 43.917 μg/m³.

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

The current carbon monoxide (CO) level in Colorado, USA is 0.337 ppm.

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

The current sulfur dioxide (SO₂) concentration in Colorado, USA is 0.388 ppb.

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

Colorado, USA currently has an ozone (O₃) concentration of 32.698 ppm.

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

The current level of nitrogen dioxide (NO₂) in Colorado, USA is 16.781 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-02T16:00:00.000Z	35 \| good	5.127 \| good	18.952 \| good	38.232 \| good	0.392 \| good	3.138 \| good	0.25 \| good
2025-09-02T17:00:00.000Z	38 \| good	5.424 \| good	19.448 \| good	40.771 \| good	0.373 \| good	6.089 \| good	0.237 \| good
2025-09-02T18:00:00.000Z	40 \| good	5.632 \| good	16.292 \| good	42.684 \| good	0.616 \| good	12.065 \| good	0.224 \| good
2025-09-02T19:00:00.000Z	44 \| good	5.055 \| good	13.862 \| good	47.46 \| good	0.847 \| good	8.821 \| good	0.198 \| good
2025-09-02T20:00:00.000Z	46 \| good	6.555 \| good	18.231 \| good	50.125 \| good	0.563 \| good	5.913 \| good	0.224 \| good
2025-09-02T21:00:00.000Z	49 \| good	6.215 \| good	18.52 \| good	52.607 \| good	0.37 \| good	5.766 \| good	0.145 \| good
2025-09-02T22:00:00.000Z	46 \| good	7.374 \| good	16.091 \| good	50.004 \| good	0.306 \| good	4.461 \| good	0.151 \| good
2025-09-02T23:00:00.000Z	50 \| good	6.323 \| good	18.74 \| good	54.245 \| good	0.284 \| good	5.96 \| good	0.199 \| good
2025-09-03T00:00:00.000Z	51 \| moderate	5.582 \| good	24.353 \| good	54.68 \| good	0.239 \| good	4.303 \| good	0.226 \| good
2025-09-03T01:00:00.000Z	46 \| good	5.667 \| good	20.916 \| good	50.014 \| good	0.21 \| good	1.494 \| good	0.253 \| good
2025-09-03T02:00:00.000Z	47 \| good	6.562 \| good	20.209 \| good	51.072 \| good	0.213 \| good	2.512 \| good	0.228 \| good
2025-09-03T03:00:00.000Z	49 \| good	5.838 \| good	25.317 \| good	52.775 \| good	0.263 \| good	5.701 \| good	0.156 \| good
2025-09-03T04:00:00.000Z	47 \| good	5.802 \| good	20.331 \| good	50.505 \| good	0.241 \| good	4.137 \| good	0.292 \| good
2025-09-03T05:00:00.000Z	44 \| good	5.966 \| good	18.9 \| good	48.489 \| good	0.272 \| good	3.51 \| good	0.293 \| good
2025-09-03T06:00:00.000Z	44 \| good	6.064 \| good	31.712 \| good	47.811 \| good	0.297 \| good	7.099 \| good	0.266 \| good
2025-09-03T07:00:00.000Z	44 \| good	6.283 \| good	26.207 \| good	47.368 \| good	0.301 \| good	4.524 \| good	0.221 \| good
2025-09-03T08:00:00.000Z	44 \| good	6.787 \| good	25.21 \| good	46.963 \| good	0.393 \| good	3.617 \| good	0.176 \| good
2025-09-03T09:00:00.000Z	39 \| good	6.567 \| good	21.994 \| good	42.35 \| good	0.281 \| good	4.773 \| good	0.18 \| good
2025-09-03T10:00:00.000Z	39 \| good	6.835 \| good	12.593 \| good	42.266 \| good	0.277 \| good	4.881 \| good	0.13 \| good
2025-09-03T11:00:00.000Z	40 \| good	7.035 \| good	14.968 \| good	43.189 \| good	0.309 \| good	3.943 \| good	0.211 \| good
2025-09-03T12:00:00.000Z	42 \| good	6.673 \| good	14.949 \| good	45.272 \| good	0.367 \| good	8.987 \| good	0.27 \| good
2025-09-03T13:00:00.000Z	41 \| good	6.447 \| good	14.102 \| good	44.42 \| good	0.576 \| good	4.044 \| good	0.441 \| good
2025-09-03T14:00:00.000Z	42 \| good	6.205 \| good	12.712 \| good	44.912 \| good	0.824 \| good	4.146 \| good	0.547 \| good
2025-09-03T15:00:00.000Z	41 \| good	7.136 \| good	18.69 \| good	44.099 \| good	1.229 \| good	5.142 \| good	0.431 \| good
2025-09-03T16:00:00.000Z	41 \| good	6.368 \| good	27.684 \| good	43.611 \| good	1.515 \| good	2.375 \| good	0.306 \| good
2025-09-03T17:00:00.000Z	38 \| good	6.791 \| good	25.844 \| good	38.701 \| good	1.015 \| good	5.804 \| good	0.3 \| good
2025-09-03T18:00:00.000Z	44 \| good	7.03 \| good	28.828 \| good	47.046 \| good	0.292 \| good	8.252 \| good	0.324 \| good
2025-09-03T19:00:00.000Z	44 \| good	6.264 \| good	21.787 \| good	47.198 \| good	0.211 \| good	6.649 \| good	0.363 \| good
2025-09-03T20:00:00.000Z	49 \| good	7.326 \| good	18.025 \| good	52.687 \| good	0.221 \| good	6.623 \| good	0.369 \| good
2025-09-03T21:00:00.000Z	49 \| good	7.773 \| good	23.116 \| good	52.562 \| good	0.299 \| good	5.637 \| good	0.3 \| good
2025-09-03T22:00:00.000Z	51 \| moderate	8.214 \| good	17.742 \| good	54.645 \| good	0.288 \| good	4.431 \| good	0.3 \| good
2025-09-03T23:00:00.000Z	51 \| moderate	7.133 \| good	19.666 \| good	54.584 \| good	0.463 \| good	7.413 \| good	0.193 \| good
2025-09-04T00:00:00.000Z	61 \| moderate	10.219 \| good	21.068 \| good	57.566 \| fine	0.779 \| good	3.735 \| good	0.164 \| good
2025-09-04T01:00:00.000Z	51 \| moderate	6.217 \| good	37.45 \| good	55.313 \| fine	0.336 \| good	2.275 \| good	0.165 \| good
2025-09-04T02:00:00.000Z	54 \| moderate	10.778 \| good	17.157 \| good	52.182 \| good	0.285 \| good	3.027 \| good	0.167 \| good
2025-09-04T03:00:00.000Z	54 \| moderate	10.903 \| good	55.967 \| fine	51.998 \| good	0.367 \| good	3.025 \| good	0.335 \| good
2025-09-04T04:00:00.000Z	46 \| good	7.894 \| good	23.399 \| good	49.918 \| good	0.313 \| good	4.5 \| good	0.338 \| good
2025-09-04T05:00:00.000Z	45 \| good	8.213 \| good	19.605 \| good	48.804 \| good	0.595 \| good	6.175 \| good	0.312 \| good
2025-09-04T06:00:00.000Z	52 \| moderate	9.809 \| good	26.281 \| good	48.068 \| good	0.486 \| good	5.822 \| good	0.314 \| good
2025-09-04T07:00:00.000Z	56 \| moderate	11.54 \| good	21.591 \| good	45.333 \| good	0.367 \| good	8.697 \| good	0.199 \| good
2025-09-04T08:00:00.000Z	54 \| moderate	10.596 \| good	20.314 \| good	42.932 \| good	0.438 \| good	6.832 \| good	0.166 \| good
2025-09-04T09:00:00.000Z	54 \| moderate	10.542 \| good	23.383 \| good	45.654 \| good	0.415 \| good	4.285 \| good	0.142 \| good
2025-09-04T10:00:00.000Z	54 \| moderate	11.102 \| good	26.363 \| good	47.301 \| good	0.561 \| good	3.077 \| good	0.141 \| good
2025-09-04T11:00:00.000Z	49 \| good	9.277 \| good	18.425 \| good	42.971 \| good	0.333 \| good	3.074 \| good	0.163 \| good
2025-09-04T12:00:00.000Z	56 \| moderate	11.611 \| good	29.303 \| good	47.901 \| good	0.39 \| good	4.429 \| good	0.323 \| good
2025-09-04T13:00:00.000Z	37 \| good	5.807 \| good	25.441 \| good	39.503 \| good	0.126 \| good	2.009 \| good	0.106 \| good
2025-09-04T14:00:00.000Z	49 \| good	9.351 \| good	22.161 \| good	46.439 \| good	1.188 \| good	5.838 \| good	0.521 \| good
2025-09-04T15:00:00.000Z	44 \| good	8.025 \| good	23.836 \| good	47.111 \| good	0.809 \| good	4.512 \| good	0.355 \| good
2025-09-04T15:00:00.000Z	58 \| moderate	13.165 \| fine	53.79 \| good	31.95 \| good	1.293 \| good	22.134 \| good	0.607 \| good
2025-09-04T13:00:00.000Z	34 \| good	3.282 \| good	14.503 \| good	36.977 \| good	0.118 \| good	2.031 \| good	0.106 \| good
2025-09-04T14:00:00.000Z	38 \| good	3.983 \| good	17.445 \| good	40.794 \| good	0.118 \| good	1.696 \| good	0.107 \| good
2025-09-04T15:00:00.000Z	45 \| good	3.853 \| good	17.036 \| good	49.438 \| good	0.118 \| good	1.362 \| good	0.108 \| good
2025-09-04T16:00:00.000Z	47 \| good	3.846 \| good	17 \| good	51.05 \| good	0.117 \| good	0.977 \| good	0.104 \| good
2025-09-04T17:00:00.000Z	48 \| good	4.017 \| good	18 \| good	51.921 \| good	0.117 \| good	0.593 \| good	0.099 \| good
2025-09-04T18:00:00.000Z	50 \| good	3.578 \| good	15.972 \| good	53.672 \| good	0.116 \| good	0.209 \| good	0.094 \| good
2025-09-04T19:00:00.000Z	51 \| moderate	3.683 \| good	16.036 \| good	55.311 \| fine	0.123 \| good	0.209 \| good	0.095 \| good
2025-09-04T20:00:00.000Z	54 \| moderate	5.812 \| good	25.472 \| good	55.648 \| fine	0.13 \| good	0.209 \| good	0.095 \| good
2025-09-04T21:00:00.000Z	58 \| moderate	12.574 \| fine	56.554 \| fine	54.012 \| good	0.137 \| good	0.209 \| good	0.095 \| good
2025-09-04T22:00:00.000Z	67 \| moderate	17.681 \| fine	78.23 \| fine	52.262 \| good	0.139 \| good	0.611 \| good	0.099 \| good
2025-09-04T23:00:00.000Z	73 \| moderate	21.426 \| fine	94.426 \| fine	52.179 \| good	0.14 \| good	1.013 \| good	0.103 \| good
2025-09-05T00:00:00.000Z	81 \| moderate	24.74 \| fine	108.061 \| fine	49.576 \| good	0.142 \| good	1.414 \| good	0.107 \| good
2025-09-05T01:00:00.000Z	82 \| moderate	25.794 \| fine	112.502 \| fine	48.596 \| good	0.146 \| good	2.239 \| good	0.114 \| good
2025-09-05T02:00:00.000Z	79 \| moderate	23.951 \| fine	104.969 \| fine	44.111 \| good	0.15 \| good	3.064 \| good	0.122 \| good
2025-09-05T03:00:00.000Z	69 \| moderate	19.472 \| fine	86.376 \| fine	39.812 \| good	0.153 \| good	3.889 \| good	0.129 \| good
2025-09-05T04:00:00.000Z	58 \| moderate	12.957 \| fine	57.721 \| fine	36.193 \| good	0.181 \| good	3.996 \| good	0.131 \| good
2025-09-05T05:00:00.000Z	52 \| moderate	9.924 \| good	44.068 \| good	33.977 \| good	0.209 \| good	4.102 \| good	0.133 \| good
2025-09-05T06:00:00.000Z	56 \| moderate	11.81 \| good	52.605 \| good	33.846 \| good	0.237 \| good	4.208 \| good	0.135 \| good
2025-09-05T07:00:00.000Z	56 \| moderate	11.513 \| good	50.847 \| good	33.065 \| good	0.295 \| good	3.999 \| good	0.14 \| good
2025-09-05T08:00:00.000Z	54 \| moderate	10.724 \| good	47.406 \| good	32.619 \| good	0.354 \| good	3.79 \| good	0.144 \| good
2025-09-05T09:00:00.000Z	52 \| moderate	9.572 \| good	42.67 \| good	33.088 \| good	0.413 \| good	3.581 \| good	0.149 \| good
2025-09-05T10:00:00.000Z	49 \| good	8.622 \| good	37.843 \| good	35.917 \| good	0.41 \| good	3.601 \| good	0.151 \| good
2025-09-05T11:00:00.000Z	44 \| good	8.122 \| good	35.756 \| good	39.121 \| good	0.408 \| good	3.62 \| good	0.153 \| good
2025-09-05T12:00:00.000Z	38 \| good	6.73 \| good	29.947 \| good	32.726 \| good	0.406 \| good	3.639 \| good	0.155 \| good
2025-09-05T13:00:00.000Z	38 \| good	6.634 \| good	29.675 \| good	32.05 \| good	0.428 \| good	3.131 \| good	0.156 \| good
2025-09-05T14:00:00.000Z	34 \| good	6.186 \| good	27.713 \| good	37.066 \| good	0.45 \| good	2.623 \| good	0.156 \| good
2025-09-05T15:00:00.000Z	39 \| good	4.48 \| good	19 \| good	42.295 \| good	0.472 \| good	2.115 \| good	0.156 \| good
2025-09-05T16:00:00.000Z	42 \| good	4.424 \| good	18.911 \| good	44.783 \| good	0.407 \| good	1.587 \| good	0.146 \| good
2025-09-05T17:00:00.000Z	42 \| good	4.613 \| good	19.84 \| good	44.9 \| good	0.342 \| good	1.059 \| good	0.136 \| good
2025-09-05T18:00:00.000Z	42 \| good	4.382 \| good	19 \| good	44.662 \| good	0.276 \| good	0.531 \| good	0.127 \| good
2025-09-05T19:00:00.000Z	42 \| good	3.877 \| good	16.809 \| good	45.002 \| good	0.256 \| good	0.559 \| good	0.124 \| good
2025-09-05T20:00:00.000Z	41 \| good	3.891 \| good	16.843 \| good	44.299 \| good	0.236 \| good	0.587 \| good	0.122 \| good
2025-09-05T21:00:00.000Z	41 \| good	4.172 \| good	18.623 \| good	44.349 \| good	0.216 \| good	0.615 \| good	0.12 \| good
2025-09-05T22:00:00.000Z	39 \| good	4.895 \| good	20.968 \| good	42.232 \| good	0.248 \| good	0.797 \| good	0.124 \| good
2025-09-05T23:00:00.000Z	36 \| good	5.273 \| good	22.706 \| good	39.359 \| good	0.28 \| good	0.98 \| good	0.129 \| good
2025-09-06T00:00:00.000Z	38 \| good	5.07 \| good	21.748 \| good	41.256 \| good	0.312 \| good	1.162 \| good	0.133 \| good
2025-09-06T01:00:00.000Z	38 \| good	3.855 \| good	16.898 \| good	40.908 \| good	0.323 \| good	2.863 \| good	0.148 \| good
2025-09-06T02:00:00.000Z	35 \| good	2.768 \| good	11.63 \| good	38.116 \| good	0.333 \| good	4.563 \| good	0.163 \| good
2025-09-06T03:00:00.000Z	33 \| good	2.05 \| good	8.347 \| good	36.158 \| good	0.344 \| good	6.264 \| good	0.178 \| good
2025-09-06T04:00:00.000Z	34 \| good	2.012 \| good	8.139 \| good	36.998 \| good	0.295 \| good	6.68 \| good	0.181 \| good
2025-09-06T05:00:00.000Z	35 \| good	1.952 \| good	8.008 \| good	37.602 \| good	0.247 \| good	7.097 \| good	0.183 \| good
2025-09-06T06:00:00.000Z	56 \| moderate	11.543 \| good	13.643 \| good	33.545 \| good	0.181 \| good	7.376 \| good	0.183 \| good
2025-09-06T07:00:00.000Z	34 \| good	3.408 \| good	14.918 \| good	37.23 \| good	0.158 \| good	6.594 \| good	0.174 \| good
2025-09-06T08:00:00.000Z	34 \| good	4.209 \| good	18.543 \| good	37.45 \| good	0.118 \| good	5.674 \| good	0.162 \| good
2025-09-06T09:00:00.000Z	33 \| good	4.858 \| good	20.975 \| good	36.271 \| good	0.077 \| good	4.754 \| good	0.15 \| good
2025-09-06T10:00:00.000Z	33 \| good	6.398 \| good	28.757 \| good	35.162 \| good	0.071 \| good	4.182 \| good	0.144 \| good
2025-09-06T11:00:00.000Z	38 \| good	7.016 \| good	30.971 \| good	34.954 \| good	0.064 \| good	3.61 \| good	0.137 \| good
2025-09-06T12:00:00.000Z	49 \| good	9.326 \| good	10.979 \| good	34.15 \| good	0.058 \| good	3.038 \| good	0.13 \| 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?