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

Colorado, USA currently has a PM10 concentration of 18.143 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Colorado, USA is 0.933 ppb.

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

Colorado, USA currently has an ozone (O3) concentration of 33.402 ppm.

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

The current level of nitrogen dioxide (NO2) in Colorado, USA is 12.644 ppb.

Current air quality index in Colorado, USA today

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

Colorado, USA currently has a PM2.5 concentration of 2.988 μg/m3.

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)

2.51 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.28 μg/m³

155

255

425

605+

Ozone (O₃)

35.75 ppb

201

201+

Sulfur Dioxide (SO₂)

0.62 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.21 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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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
2026-03-07T20:00:00.000Z	42 \| good	1.721 \| good	6.329 \| good	44.569 \| good	0.799 \| good	8.617 \| good	0.227 \| good
2026-03-07T21:00:00.000Z	43 \| good	1.304 \| good	6.677 \| good	46.367 \| good	0.515 \| good	6.664 \| good	0.203 \| good
2026-03-07T22:00:00.000Z	44 \| good	1.106 \| good	5.582 \| good	46.968 \| good	0.468 \| good	6.256 \| good	0.204 \| good
2026-03-07T23:00:00.000Z	44 \| good	1.351 \| good	5.713 \| good	47.971 \| good	0.477 \| good	3.278 \| good	0.228 \| good
2026-03-08T00:00:00.000Z	43 \| good	1.213 \| good	7.919 \| good	45.774 \| good	0.421 \| good	2.138 \| good	0.242 \| good
2026-03-08T01:00:00.000Z	44 \| good	1.386 \| good	7.83 \| good	47.054 \| good	0.575 \| good	0.945 \| good	0.242 \| good
2026-03-08T02:00:00.000Z	44 \| good	1.511 \| good	7.98 \| good	46.918 \| good	0.428 \| good	1.847 \| good	0.332 \| good
2026-03-08T03:00:00.000Z	44 \| good	0.69 \| good	2.191 \| good	48.405 \| good	0.075 \| good	2.814 \| good	0.138 \| good
2026-03-08T04:00:00.000Z	42 \| good	2.407 \| good	9.057 \| good	44.774 \| good	0.45 \| good	2.16 \| good	0.416 \| good
2026-03-08T05:00:00.000Z	42 \| good	2.567 \| good	8.362 \| good	44.966 \| good	0.589 \| good	2.042 \| good	0.425 \| good
2026-03-08T06:00:00.000Z	41 \| good	3.204 \| good	11.413 \| good	44.256 \| good	0.619 \| good	1.863 \| good	0.374 \| good
2026-03-08T07:00:00.000Z	42 \| good	2.464 \| good	11.167 \| good	45.025 \| good	0.696 \| good	1.715 \| good	0.438 \| good
2026-03-08T08:00:00.000Z	41 \| good	1.469 \| good	7.01 \| good	44.309 \| good	0.92 \| good	1.515 \| good	0.456 \| good
2026-03-08T09:00:00.000Z	39 \| good	1.335 \| good	5.445 \| good	42.213 \| good	0.769 \| good	1.924 \| good	0.41 \| good
2026-03-08T10:00:00.000Z	40 \| good	1.073 \| good	3.909 \| good	42.703 \| good	0.804 \| good	1.878 \| good	0.347 \| good
2026-03-08T11:00:00.000Z	37 \| good	1.057 \| good	3.63 \| good	40.014 \| good	0.805 \| good	1.428 \| good	0.267 \| good
2026-03-08T12:00:00.000Z	38 \| good	0.914 \| good	4.529 \| good	41.298 \| good	0.66 \| good	4.548 \| good	0.25 \| good
2026-03-08T13:00:00.000Z	37 \| good	0.604 \| good	2.849 \| good	40.101 \| good	0.79 \| good	1.335 \| good	0.266 \| good
2026-03-08T14:00:00.000Z	37 \| good	0.8 \| good	3.773 \| good	39.96 \| good	0.581 \| good	1.738 \| good	0.268 \| good
2026-03-08T15:00:00.000Z	38 \| good	1.791 \| good	4.992 \| good	40.788 \| good	0.672 \| good	4.054 \| good	0.25 \| good
2026-03-08T16:00:00.000Z	37 \| good	1.645 \| good	7.491 \| good	40.366 \| good	0.883 \| good	4.927 \| good	0.188 \| good
2026-03-08T17:00:00.000Z	38 \| good	0.858 \| good	4.949 \| good	41.032 \| good	0.67 \| good	3.855 \| good	0.181 \| good
2026-03-08T18:00:00.000Z	39 \| good	1.348 \| good	7.313 \| good	42.097 \| good	0.862 \| good	3.922 \| good	0.204 \| good
2026-03-08T19:00:00.000Z	39 \| good	1.325 \| good	8.204 \| good	42.431 \| good	0.779 \| good	8.64 \| good	0.242 \| good
2026-03-08T20:00:00.000Z	39 \| good	0.976 \| good	5.069 \| good	41.867 \| good	0.705 \| good	7.592 \| good	0.215 \| good
2026-03-08T21:00:00.000Z	39 \| good	1.01 \| good	7.65 \| good	41.647 \| good	0.631 \| good	7.538 \| good	0.219 \| good
2026-03-08T22:00:00.000Z	40 \| good	0.92 \| good	7.001 \| good	43.238 \| good	0.485 \| good	2.492 \| good	0.211 \| good
2026-03-08T23:00:00.000Z	39 \| good	1.619 \| good	7.092 \| good	41.766 \| good	0.51 \| good	1.618 \| good	0.208 \| good
2026-03-09T00:00:00.000Z	39 \| good	0.87 \| good	7.787 \| good	42.197 \| good	0.493 \| good	1.251 \| good	0.221 \| good
2026-03-09T01:00:00.000Z	38 \| good	1.782 \| good	10.394 \| good	40.744 \| good	0.526 \| good	1.111 \| good	0.237 \| good
2026-03-09T02:00:00.000Z	38 \| good	1.709 \| good	14.332 \| good	40.815 \| good	0.474 \| good	2.418 \| good	0.23 \| good
2026-03-09T03:00:00.000Z	44 \| good	0.443 \| good	2 \| good	46.562 \| good	0.135 \| good	3.632 \| good	0.144 \| good
2026-03-09T04:00:00.000Z	38 \| good	1.322 \| good	7.546 \| good	40.915 \| good	0.467 \| good	3.005 \| good	0.239 \| good
2026-03-09T05:00:00.000Z	38 \| good	1.04 \| good	5.21 \| good	40.599 \| good	0.536 \| good	2.318 \| good	0.27 \| good
2026-03-09T06:00:00.000Z	38 \| good	0.916 \| good	5.394 \| good	40.677 \| good	0.6 \| good	2.706 \| good	0.23 \| good
2026-03-09T07:00:00.000Z	36 \| good	0.814 \| good	5.937 \| good	39.346 \| good	0.818 \| good	2.223 \| good	0.181 \| good
2026-03-09T08:00:00.000Z	36 \| good	1.5 \| good	7.314 \| good	39.175 \| good	1.014 \| good	1.502 \| good	0.151 \| good
2026-03-09T09:00:00.000Z	34 \| good	1.032 \| good	7.265 \| good	36.723 \| good	0.74 \| good	1.315 \| good	0.208 \| good
2026-03-09T10:00:00.000Z	34 \| good	0.749 \| good	7.715 \| good	36.74 \| good	0.671 \| good	1.311 \| good	0.181 \| good
2026-03-09T11:00:00.000Z	37 \| good	0.98 \| good	5.708 \| good	39.689 \| good	0.522 \| good	1.354 \| good	0.19 \| good
2026-03-09T12:00:00.000Z	37 \| good	0.957 \| good	5.15 \| good	39.555 \| good	0.691 \| good	1.847 \| good	0.252 \| good
2026-03-09T13:00:00.000Z	35 \| good	1.119 \| good	4.879 \| good	38.421 \| good	0.754 \| good	2.695 \| good	0.35 \| good
2026-03-09T14:00:00.000Z	35 \| good	1.581 \| good	7.327 \| good	38.338 \| good	1.181 \| good	4.343 \| good	0.575 \| good
2026-03-09T15:00:00.000Z	31 \| good	2.295 \| good	28.041 \| good	34.346 \| good	1.339 \| good	4.84 \| good	0.661 \| good
2026-03-09T16:00:00.000Z	34 \| good	2.546 \| good	8.468 \| good	37.184 \| good	1.233 \| good	3.872 \| good	0.444 \| good
2026-03-09T17:00:00.000Z	36 \| good	1.765 \| good	6.748 \| good	39.121 \| good	0.919 \| good	2.837 \| good	0.224 \| good
2026-03-09T18:00:00.000Z	35 \| good	2.045 \| good	5.989 \| good	38.486 \| good	0.619 \| good	4.364 \| good	0.145 \| good
2026-03-09T19:00:00.000Z	37 \| good	1.986 \| good	9.894 \| good	39.567 \| good	0.491 \| good	9.067 \| good	0.173 \| good
2026-03-09T19:00:00.000Z	33 \| good	2.508 \| good	16.283 \| good	35.747 \| good	0.618 \| good	5.211 \| good	0.146 \| good
2026-03-09T19:00:00.000Z	41 \| good	0.147 \| good	0.056 \| good	44.423 \| good	0.097 \| good	0.196 \| good	0.119 \| good
2026-03-09T20:00:00.000Z	43 \| good	0.221 \| good	0.909 \| good	45.957 \| good	0.099 \| good	0.177 \| good	0.118 \| good
2026-03-09T21:00:00.000Z	44 \| good	0.292 \| good	1 \| good	47.056 \| good	0.102 \| good	0.159 \| good	0.117 \| good
2026-03-09T22:00:00.000Z	44 \| good	0.279 \| good	1 \| good	47.797 \| good	0.106 \| good	0.235 \| good	0.118 \| good
2026-03-09T23:00:00.000Z	43 \| good	0.291 \| good	1 \| good	45.661 \| good	0.111 \| good	0.311 \| good	0.119 \| good
2026-03-10T00:00:00.000Z	44 \| good	0.31 \| good	1 \| good	47.047 \| good	0.116 \| good	0.387 \| good	0.12 \| good
2026-03-10T01:00:00.000Z	44 \| good	0.321 \| good	1 \| good	47.615 \| good	0.135 \| good	1.011 \| good	0.127 \| good
2026-03-10T02:00:00.000Z	45 \| good	0.33 \| good	1 \| good	48.673 \| good	0.154 \| good	1.635 \| good	0.134 \| good
2026-03-10T03:00:00.000Z	44 \| good	0.331 \| good	1 \| good	47.795 \| good	0.173 \| good	2.259 \| good	0.141 \| good
2026-03-10T04:00:00.000Z	44 \| good	0.343 \| good	1 \| good	46.588 \| good	0.19 \| good	2.166 \| good	0.14 \| good
2026-03-10T05:00:00.000Z	44 \| good	0.348 \| good	1 \| good	47.323 \| good	0.207 \| good	2.073 \| good	0.14 \| good
2026-03-10T06:00:00.000Z	44 \| good	0.358 \| good	1 \| good	48.306 \| good	0.225 \| good	1.98 \| good	0.139 \| good
2026-03-10T07:00:00.000Z	44 \| good	0.546 \| good	2 \| good	47.158 \| good	0.225 \| good	1.667 \| good	0.135 \| good
2026-03-10T08:00:00.000Z	44 \| good	0.845 \| good	3.06 \| good	46.87 \| good	0.225 \| good	1.353 \| good	0.131 \| good
2026-03-10T09:00:00.000Z	44 \| good	0.962 \| good	3.939 \| good	46.583 \| good	0.225 \| good	1.04 \| good	0.128 \| good
2026-03-10T10:00:00.000Z	43 \| good	0.204 \| good	0.385 \| good	46.171 \| good	0.211 \| good	0.926 \| good	0.125 \| good
2026-03-10T11:00:00.000Z	42 \| good	0.13 \| good	0.034 \| good	45.281 \| good	0.198 \| good	0.812 \| good	0.123 \| good
2026-03-10T12:00:00.000Z	42 \| good	0.434 \| good	2 \| good	44.67 \| good	0.184 \| good	0.698 \| good	0.12 \| good
2026-03-10T13:00:00.000Z	40 \| good	0.423 \| good	2 \| good	43.163 \| good	0.186 \| good	1.001 \| good	0.125 \| good
2026-03-10T14:00:00.000Z	39 \| good	0.42 \| good	2 \| good	42.086 \| good	0.187 \| good	1.304 \| good	0.129 \| good
2026-03-10T15:00:00.000Z	40 \| good	0.627 \| good	2 \| good	42.814 \| good	0.188 \| good	1.608 \| good	0.134 \| good
2026-03-10T16:00:00.000Z	42 \| good	0.269 \| good	1 \| good	45.162 \| good	0.185 \| good	1.142 \| good	0.127 \| good
2026-03-10T17:00:00.000Z	43 \| good	0.35 \| good	1 \| good	45.746 \| good	0.182 \| good	0.676 \| good	0.121 \| good
2026-03-10T18:00:00.000Z	44 \| good	0.652 \| good	2 \| good	46.735 \| good	0.179 \| good	0.21 \| good	0.114 \| good
2026-03-10T19:00:00.000Z	44 \| good	0.402 \| good	1.776 \| good	47.224 \| good	0.162 \| good	0.191 \| good	0.113 \| good
2026-03-10T20:00:00.000Z	45 \| good	0.608 \| good	2 \| good	49.131 \| good	0.145 \| good	0.173 \| good	0.111 \| good
2026-03-10T21:00:00.000Z	46 \| good	1.594 \| good	6.224 \| good	49.865 \| good	0.128 \| good	0.154 \| good	0.11 \| good
2026-03-10T22:00:00.000Z	49 \| good	1.089 \| good	4.253 \| good	52.743 \| good	0.121 \| good	0.219 \| good	0.111 \| good
2026-03-10T23:00:00.000Z	49 \| good	0.866 \| good	3 \| good	53.17 \| good	0.114 \| good	0.284 \| good	0.111 \| good
2026-03-11T00:00:00.000Z	51 \| moderate	0.372 \| good	1 \| good	55.279 \| fine	0.108 \| good	0.349 \| good	0.112 \| good
2026-03-11T01:00:00.000Z	51 \| moderate	0.397 \| good	1.718 \| good	54.549 \| good	0.129 \| good	0.988 \| good	0.119 \| good
2026-03-11T02:00:00.000Z	50 \| good	0.4 \| good	1.875 \| good	53.559 \| good	0.15 \| good	1.626 \| good	0.126 \| good
2026-03-11T03:00:00.000Z	46 \| good	0.366 \| good	1 \| good	49.568 \| good	0.172 \| good	2.265 \| good	0.133 \| good
2026-03-11T04:00:00.000Z	42 \| good	0.414 \| good	2 \| good	44.668 \| good	0.165 \| good	2.004 \| good	0.13 \| good
2026-03-11T05:00:00.000Z	39 \| good	0.425 \| good	2 \| good	41.5 \| good	0.158 \| good	1.743 \| good	0.128 \| good
2026-03-11T06:00:00.000Z	49 \| good	3.103 \| good	6.645 \| good	53.374 \| good	0.146 \| good	1.378 \| good	0.125 \| good
2026-03-11T07:00:00.000Z	37 \| good	0.458 \| good	2 \| good	40.117 \| good	0.143 \| good	1.363 \| good	0.124 \| good
2026-03-11T08:00:00.000Z	37 \| good	0.21 \| good	0.778 \| good	40.358 \| good	0.136 \| good	1.242 \| good	0.122 \| good
2026-03-11T09:00:00.000Z	39 \| good	0.285 \| good	1 \| good	41.818 \| good	0.129 \| good	1.122 \| good	0.12 \| good
2026-03-11T10:00:00.000Z	42 \| good	0.512 \| good	2 \| good	44.613 \| good	0.122 \| good	1.028 \| good	0.119 \| good
2026-03-11T11:00:00.000Z	41 \| good	0.527 \| good	2 \| good	43.655 \| good	0.115 \| good	0.934 \| good	0.117 \| good
2026-03-11T12:00:00.000Z	45 \| good	2.515 \| good	6.323 \| good	49.475 \| good	0.103 \| good	0.76 \| good	0.115 \| good
2026-03-11T13:00:00.000Z	46 \| good	2.54 \| good	6.463 \| good	49.682 \| good	0.115 \| good	0.846 \| good	0.118 \| good
2026-03-11T14:00:00.000Z	46 \| good	2.662 \| good	6.65 \| good	49.888 \| good	0.127 \| good	0.932 \| good	0.12 \| good
2026-03-11T15:00:00.000Z	46 \| good	2.57 \| good	6.43 \| good	50.095 \| good	0.139 \| good	1.018 \| good	0.122 \| good
2026-03-11T16:00:00.000Z	48 \| good	2.394 \| good	6.252 \| good	51.816 \| good	0.127 \| good	0.763 \| good	0.12 \| good
2026-03-11T17:00:00.000Z	44 \| good	0.358 \| good	1.222 \| good	47.223 \| good	0.119 \| good	0.546 \| good	0.118 \| good
2026-03-11T18:00:00.000Z	51 \| moderate	1.947 \| good	4.969 \| good	55.256 \| fine	0.103 \| good	0.254 \| good	0.115 \| 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
Welby, Colorado	40 Good	4.68μg/m³ Good	43.07μg/m³ Good	22.15ppb Good	0.82ppb Good	14.08ppb Good	0.28ppm Good
Durango, Colorado	39 Good	3.56μg/m³ Good	42.14μg/m³ Good	36.70ppb Good	2.77ppb Good	4.58ppb Good	0.29ppm Good
Commerce City, Colorado	38 Good	4.61μg/m³ Good	41.23μg/m³ Good	22.58ppb Good	0.88ppb Good	15.22ppb Good	0.28ppm Good
Louisville, Colorado	37 Good	2.52μg/m³ Good	21.66μg/m³ Good	39.78ppb Good	0.96ppb Good	11.86ppb Good	0.24ppm Good
Superior, Colorado	37 Good	2.45μg/m³ Good	23.59μg/m³ Good	40.33ppb Good	0.96ppb Good	12.11ppb Good	0.25ppm Good
Canon City, Colorado	36 Good	0.66μg/m³ Good	6.21μg/m³ Good	38.56ppb Good	0.91ppb Good	3.80ppb Good	0.22ppm Good
Gunbarrel, Colorado	36 Good	2.85μg/m³ Good	20.49μg/m³ Good	39.12ppb Good	0.95ppb Good	11.45ppb Good	0.23ppm Good
Loveland, Colorado	36 Good	3.49μg/m³ Good	14.68μg/m³ Good	38.67ppb Good	0.95ppb Good	7.72ppb Good	0.16ppm Good
Berthoud, Colorado	35 Good	3.69μg/m³ Good	17.10μg/m³ Good	37.78ppb Good	0.95ppb Good	8.94ppb Good	0.19ppm Good
Boulder, Colorado	35 Good	2.00μg/m³ Good	24.97μg/m³ Good	37.58ppb Good	0.95ppb Good	11.69ppb Good	0.23ppm Good
Colorado Springs, Colorado	34 Good	2.96μg/m³ Good	11.87μg/m³ Good	37.47ppb Good	0.92ppb Good	15.93ppb Good	0.23ppm Good
Columbine, Colorado	35 Good	1.66μg/m³ Good	8.75μg/m³ Good	37.58ppb Good	0.92ppb Good	14.63ppb Good	0.27ppm Good
Dakota Ridge, Colorado	34 Good	1.68μg/m³ Good	8.17μg/m³ Good	37.33ppb Good	0.93ppb Good	13.54ppb Good	0.27ppm Good
Erie, Colorado	35 Good	3.49μg/m³ Good	15.18μg/m³ Good	37.90ppb Good	0.95ppb Good	16.79ppb Good	0.23ppm Good
Fort Collins, Colorado	35 Good	4.27μg/m³ Good	17.89μg/m³ Good	37.97ppb Good	0.96ppb Good	7.08ppb Good	0.10ppm Good
Lafayette, Colorado	35 Good	2.80μg/m³ Good	23.01μg/m³ Good	37.72ppb Good	0.94ppb Good	11.88ppb Good	0.24ppm Good
Ken Caryl, Colorado	35 Good	1.60μg/m³ Good	8.19μg/m³ Good	37.52ppb Good	0.93ppb Good	13.66ppb Good	0.27ppm Good
Thornton, Colorado	35 Good	4.56μg/m³ Good	38.31μg/m³ Good	22.89ppb Good	0.90ppb Good	15.51ppb Good	0.28ppm Good
The Pinery, Colorado	34 Good	1.90μg/m³ Good	7.61μg/m³ Good	37.28ppb Good	0.92ppb Good	18.16ppb Good	0.24ppm Good
Broomfield, Colorado	33 Good	3.81μg/m³ Good	15.98μg/m³ Good	36.35ppb Good	0.97ppb Good	18.05ppb Good	0.26ppm Good
Frederick, Colorado	34 Good	3.59μg/m³ Good	14.72μg/m³ Good	36.65ppb Good	0.94ppb Good	15.48ppb Good	0.23ppm Good
Fort Carson, Colorado	34 Good	2.61μg/m³ Good	10.95μg/m³ Good	37.11ppb Good	0.92ppb Good	14.43ppb Good	0.23ppm Good
Edwards, Colorado	33 Good	3.35μg/m³ Good	19.58μg/m³ Good	36.35ppb Good	0.90ppb Good	1.98ppb Good	0.21ppm Good
Firestone, Colorado	34 Good	3.59μg/m³ Good	14.72μg/m³ Good	36.65ppb Good	0.94ppb Good	15.48ppb Good	0.23ppm Good
Golden, Colorado	34 Good	1.91μg/m³ Good	8.47μg/m³ Good	36.62ppb Good	0.94ppb Good	12.67ppb Good	0.27ppm Good
Johnstown, Colorado	34 Good	3.97μg/m³ Good	21.09μg/m³ Good	36.63ppb Good	0.95ppb Good	17.62ppb Good	0.19ppm Good
Longmont, Colorado	34 Good	2.30μg/m³ Good	10.01μg/m³ Good	36.95ppb Good	0.95ppb Good	11.34ppb Good	0.21ppm Good
Littleton, Colorado	33 Good	2.63μg/m³ Good	10.95μg/m³ Good	36.45ppb Good	0.91ppb Good	16.49ppb Good	0.27ppm Good
SecurityWidefield, Colorado	34 Good	2.56μg/m³ Good	10.94μg/m³ Good	36.92ppb Good	0.92ppb Good	14.33ppb Good	0.23ppm Good
Steamboat Springs, Colorado	34 Good	4.70μg/m³ Good	36.98μg/m³ Good	36.81ppb Good	0.89ppb Good	1.74ppb Good	0.19ppm Good
Black Forest, Colorado	33 Good	2.16μg/m³ Good	9.22μg/m³ Good	35.63ppb Good	0.94ppb Good	12.67ppb Good	0.23ppm Good
Centennial, Colorado	32 Good	2.33μg/m³ Good	12.72μg/m³ Good	35.14ppb Good	0.90ppb Good	17.63ppb Good	0.27ppm Good
Castle Pines, Colorado	32 Good	2.25μg/m³ Good	12.47μg/m³ Good	35.39ppb Good	0.90ppb Good	17.22ppb Good	0.27ppm Good
Fairmount, Colorado	33 Good	2.05μg/m³ Good	10.50μg/m³ Good	36.14ppb Good	0.97ppb Good	13.35ppb Good	0.27ppm Good
Fountain, Colorado	33 Good	1.92μg/m³ Good	19.62μg/m³ Good	36.13ppb Good	0.94ppb Good	16.16ppb Good	0.23ppm Good
Greenwood Village, Colorado	32 Good	2.39μg/m³ Good	12.40μg/m³ Good	35.31ppb Good	0.90ppb Good	17.54ppb Good	0.27ppm Good
Greeley, Colorado	32 Good	4.48μg/m³ Good	20.06μg/m³ Good	35.33ppb Good	0.95ppb Good	14.25ppb Good	0.20ppm Good
Highlands Ranch, Colorado	33 Good	2.13μg/m³ Good	10.28μg/m³ Good	35.98ppb Good	0.91ppb Good	17.61ppb Good	0.27ppm Good
Lakewood, Colorado	33 Good	2.16μg/m³ Good	9.31μg/m³ Good	35.95ppb Good	0.92ppb Good	13.69ppb Good	0.28ppm Good
Lone Tree, Colorado	32 Good	2.33μg/m³ Good	12.88μg/m³ Good	35.13ppb Good	0.90ppb Good	17.51ppb Good	0.27ppm Good
Parker, Colorado	32 Good	1.91μg/m³ Good	7.58μg/m³ Good	35.23ppb Good	0.92ppb Good	19.15ppb Good	0.25ppm Good
Pueblo West, Colorado	33 Good	1.55μg/m³ Good	13.23μg/m³ Good	36.06ppb Good	0.94ppb Good	8.74ppb Good	0.22ppm Good
Pueblo, Colorado	33 Good	0.84μg/m³ Good	6.32μg/m³ Good	36.02ppb Good	0.94ppb Good	15.92ppb Good	0.22ppm Good
Severance, Colorado	32 Good	2.87μg/m³ Good	12.92μg/m³ Good	35.34ppb Good	0.95ppb Good	7.72ppb Good	0.17ppm Good
Sterling, Colorado	32 Good	2.21μg/m³ Good	9.00μg/m³ Good	35.23ppb Good	0.28ppb Good	2.58ppb Good	0.16ppm Good
Wellington, Colorado	33 Good	3.67μg/m³ Good	19.16μg/m³ Good	36.00ppb Good	0.96ppb Good	7.00ppb Good	0.15ppm Good
Windsor, Colorado	33 Good	2.40μg/m³ Good	10.46μg/m³ Good	35.87ppb Good	0.95ppb Good	5.87ppb Good	0.16ppm Good
Cimarron Hills, Colorado	32 Good	1.98μg/m³ Good	19.05μg/m³ Good	34.89ppb Good	0.94ppb Good	16.11ppb Good	0.23ppm Good
Castle Rock, Colorado	32 Good	1.78μg/m³ Good	8.21μg/m³ Good	34.95ppb Good	0.92ppb Good	13.05ppb Good	0.25ppm Good
Cherry Creek, Colorado	31 Good	3.24μg/m³ Good	34.32μg/m³ Good	26.91ppb Good	0.93ppb Good	18.75ppb Good	0.29ppm Good

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

0.20ppm

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

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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 03:00:00, 2026-03-09.

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

The best air quality in Colorado, USA was observed at 03:00:00 on 2026-03-09.

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

The air quality in Colorado, USA right now is Good, with an AQI of 31.

What pollutant is most frequently found in Colorado, USA?

In Colorado, USA, O3 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 2.988 μg/m³.

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

Colorado, USA currently has a PM₁₀ concentration of 18.143 μg/m³.

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

The current carbon monoxide (CO) level in Colorado, USA is 0.237 ppm.

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

The current sulfur dioxide (SO₂) concentration in Colorado, USA is 0.933 ppb.

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

Colorado, USA currently has an ozone (O₃) concentration of 33.402 ppm.

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

The current level of nitrogen dioxide (NO₂) in Colorado, USA is 12.644 ppb.

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