What is the PM10 level in Frederick, Colorado at the moment?

The PM10 concentration in Frederick, Colorado is 7.557 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Frederick, Colorado at the moment?

Currently, Frederick, Colorado has a sulfur dioxide (SO2) concentration of 0.324 ppb.

What is the ozone (O3) level in Frederick, Colorado at the moment?

The current ozone (O3) level in Frederick, Colorado at the moment is 36.983 ppm.

What is the nitrogen dioxide (NO2) level in Frederick, Colorado at the moment?

Nitrogen dioxide (NO2) level in Frederick, Colorado at the moment is 13.951 ppb.

Live air quality index in Frederick, Colorado today

Q: What is the PM2.5 level in Frederick, Colorado at the moment?

PM2.5 levels in Frederick, Colorado are currently 2.843 μg/m3.

Stay updated with real-time air quality in Frederick, Colorado featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Frederick, Colorado

Last updated: ... (Local time)

Major air pollutants in Frederick, Colorado

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.84 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

7.56 μg/m³

155

255

425

605+

Ozone (O₃)

36.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.95 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Frederick, Colorado

Get Live Pollen Counts

Frederick, Colorado

Scroll To Air Quality Map

Track live Frederick, Colorado air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T12:00:00.000Z	58 \| moderate	12.834 \| fine	50.149 \| good	16.203 \| good	0.725 \| good	28.632 \| good	0.429 \| good
2025-12-05T13:00:00.000Z	54 \| moderate	10.539 \| good	13.013 \| good	10.647 \| good	0.793 \| good	28.417 \| good	0.504 \| good
2025-12-05T14:00:00.000Z	60 \| moderate	14.236 \| fine	29.626 \| good	10.14 \| good	1.347 \| good	36.606 \| good	0.59 \| good
2025-12-05T15:00:00.000Z	60 \| moderate	13.968 \| fine	45.702 \| good	15.863 \| good	1.677 \| good	34.719 \| good	0.618 \| good
2025-12-05T16:00:00.000Z	44 \| good	8.169 \| good	34.1 \| good	21.073 \| good	1.42 \| good	33.021 \| good	0.518 \| good
2025-12-05T17:00:00.000Z	64 \| moderate	15.731 \| fine	25.822 \| good	21.959 \| good	1.472 \| good	32.491 \| good	0.46 \| good
2025-12-05T18:00:00.000Z	66 \| moderate	16.532 \| fine	22.079 \| good	26.793 \| good	1.242 \| good	27.294 \| good	0.467 \| good
2025-12-05T19:00:00.000Z	73 \| moderate	20.778 \| fine	42.096 \| good	24.526 \| good	1.175 \| good	25.577 \| good	0.471 \| good
2025-12-05T20:00:00.000Z	73 \| moderate	21.172 \| fine	61.349 \| fine	22.596 \| good	1.403 \| good	21.781 \| good	0.449 \| good
2025-12-05T21:00:00.000Z	62 \| moderate	14.566 \| fine	33.129 \| good	23.251 \| good	1.339 \| good	21.492 \| good	0.471 \| good
2025-12-05T22:00:00.000Z	64 \| moderate	16.052 \| fine	45.957 \| good	23.986 \| good	1.169 \| good	29.205 \| good	0.494 \| good
2025-12-05T23:00:00.000Z	64 \| moderate	16.27 \| fine	45.22 \| good	22.101 \| good	1.097 \| good	32.233 \| good	0.478 \| good
2025-12-06T00:00:00.000Z	73 \| moderate	21.116 \| fine	30.112 \| good	16.989 \| good	0.76 \| good	38.871 \| good	0.572 \| good
2025-12-06T01:00:00.000Z	58 \| moderate	12.6 \| fine	28.532 \| good	8.615 \| good	1.422 \| good	41.367 \| good	0.674 \| good
2025-12-06T02:00:00.000Z	62 \| moderate	15.246 \| fine	46.079 \| good	9.406 \| good	1.349 \| good	42.988 \| good	0.837 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	11.158 \| good	19.311 \| good	6.95 \| good	1.238 \| good	41.88 \| good	0.737 \| good
2025-12-06T04:00:00.000Z	62 \| moderate	14.648 \| fine	32.562 \| good	16.165 \| good	0.907 \| good	35.114 \| good	0.576 \| good
2025-12-06T05:00:00.000Z	82 \| moderate	26.022 \| fine	52.898 \| good	13.683 \| good	0.592 \| good	27.612 \| good	0.451 \| good
2025-12-06T06:00:00.000Z	38 \| good	6.79 \| good	20.793 \| good	10.044 \| good	0.347 \| good	29.855 \| good	0.404 \| good
2025-12-06T07:00:00.000Z	52 \| moderate	9.583 \| good	29.64 \| good	9.408 \| good	0.323 \| good	32.182 \| good	0.396 \| good
2025-12-06T08:00:00.000Z	38 \| good	6.581 \| good	15.66 \| good	9.977 \| good	0.486 \| good	28.568 \| good	0.391 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	14.589 \| fine	45.322 \| good	11.775 \| good	0.479 \| good	28.311 \| good	0.388 \| good
2025-12-06T10:00:00.000Z	52 \| moderate	9.996 \| good	33.203 \| good	8.194 \| good	0.656 \| good	26.739 \| good	0.406 \| good
2025-12-06T11:00:00.000Z	33 \| good	6.327 \| good	17.969 \| good	20.953 \| good	0.558 \| good	23.216 \| good	0.355 \| good
2025-12-06T12:00:00.000Z	56 \| moderate	12.134 \| fine	32.81 \| good	19.474 \| good	0.742 \| good	31.851 \| good	0.334 \| good
2025-12-06T13:00:00.000Z	56 \| moderate	11.81 \| good	17.35 \| good	32.826 \| good	0.726 \| good	24.428 \| good	0.429 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	13.254 \| fine	36.692 \| good	34.319 \| good	0.843 \| good	22.336 \| good	0.468 \| good
2025-12-06T15:00:00.000Z	54 \| moderate	11.197 \| good	24.369 \| good	33.089 \| good	1.109 \| good	23.45 \| good	0.542 \| good
2025-12-06T16:00:00.000Z	49 \| good	8.617 \| good	24.82 \| good	29.197 \| good	1.358 \| good	14.819 \| good	0.532 \| good
2025-12-06T17:00:00.000Z	33 \| good	6.24 \| good	9.098 \| good	22.412 \| good	0.814 \| good	10.377 \| good	0.215 \| good
2025-12-06T18:00:00.000Z	32 \| good	4.039 \| good	30.58 \| good	34.512 \| good	0.564 \| good	6.931 \| good	0.237 \| good
2025-12-06T19:00:00.000Z	31 \| good	2.478 \| good	5.814 \| good	33.204 \| good	0.474 \| good	7.539 \| good	0.237 \| good
2025-12-06T20:00:00.000Z	31 \| good	1.937 \| good	7.129 \| good	33.148 \| good	0.378 \| good	6.605 \| good	0.19 \| good
2025-12-06T21:00:00.000Z	32 \| good	1.678 \| good	6.847 \| good	34.88 \| good	0.402 \| good	6.23 \| good	0.19 \| good
2025-12-06T22:00:00.000Z	34 \| good	1.092 \| good	6.734 \| good	37.33 \| good	0.349 \| good	5.55 \| good	0.197 \| good
2025-12-06T23:00:00.000Z	33 \| good	1.088 \| good	6.143 \| good	36.364 \| good	0.535 \| good	7.598 \| good	0.199 \| good
2025-12-07T00:00:00.000Z	34 \| good	1.956 \| good	9.035 \| good	36.515 \| good	0.286 \| good	12.609 \| good	0.24 \| good
2025-12-07T01:00:00.000Z	33 \| good	2.341 \| good	6.61 \| good	36.119 \| good	0.276 \| good	11.649 \| good	0.24 \| good
2025-12-07T02:00:00.000Z	39 \| good	1.602 \| good	3.166 \| good	41.671 \| good	0.304 \| good	13.406 \| good	0.216 \| good
2025-12-07T03:00:00.000Z	37 \| good	2.122 \| good	4.183 \| good	40.011 \| good	0.338 \| good	11.009 \| good	0.189 \| good
2025-12-07T04:00:00.000Z	35 \| good	2.346 \| good	6.428 \| good	38.035 \| good	0.259 \| good	6.594 \| good	0.256 \| good
2025-12-07T05:00:00.000Z	35 \| good	2.22 \| good	5.346 \| good	38.276 \| good	0.234 \| good	5.56 \| good	0.222 \| good
2025-12-07T06:00:00.000Z	33 \| good	2.996 \| good	10.687 \| good	36.113 \| good	0.389 \| good	5.26 \| good	0.214 \| good
2025-12-07T07:00:00.000Z	33 \| good	2.74 \| good	9.09 \| good	36.076 \| good	0.29 \| good	12.921 \| good	0.206 \| good
2025-12-07T08:00:00.000Z	34 \| good	2.01 \| good	6.558 \| good	37.271 \| good	0.254 \| good	14.067 \| good	0.189 \| good
2025-12-07T09:00:00.000Z	31 \| good	2.264 \| good	7.555 \| good	32.838 \| good	0.241 \| good	20.786 \| good	0.189 \| good
2025-12-07T10:00:00.000Z	32 \| good	2.174 \| good	7.108 \| good	35.308 \| good	0.324 \| good	15.442 \| good	0.172 \| good
2025-12-07T11:00:00.000Z	34 \| good	2.843 \| good	7.557 \| good	36.983 \| good	0.324 \| good	13.951 \| good	0.212 \| good
2025-12-07T11:00:00.000Z	34 \| good	2.843 \| good	7.557 \| good	36.983 \| good	0.324 \| good	13.951 \| good	0.212 \| good
2025-12-07T12:00:00.000Z	27 \| good	5.332 \| good	22.916 \| good	28.154 \| good	0.429 \| good	21.173 \| good	0.206 \| good
2025-12-07T13:00:00.000Z	33 \| good	5.916 \| good	26.319 \| good	31.068 \| good	0.538 \| good	20.312 \| good	0.224 \| good
2025-12-07T14:00:00.000Z	33 \| good	6.376 \| good	28.279 \| good	34.36 \| good	0.647 \| good	19.451 \| good	0.242 \| good
2025-12-07T15:00:00.000Z	38 \| good	6.944 \| good	30.386 \| good	33.935 \| good	0.755 \| good	18.59 \| good	0.259 \| good
2025-12-07T16:00:00.000Z	33 \| good	6.148 \| good	27.343 \| good	33.573 \| good	0.673 \| good	13.313 \| good	0.218 \| good
2025-12-07T17:00:00.000Z	34 \| good	5.117 \| good	21.9 \| good	37.31 \| good	0.59 \| good	8.035 \| good	0.176 \| good
2025-12-07T18:00:00.000Z	36 \| good	4.131 \| good	17.748 \| good	38.817 \| good	0.508 \| good	2.758 \| good	0.134 \| good
2025-12-07T19:00:00.000Z	36 \| good	4.123 \| good	17.839 \| good	39.318 \| good	0.504 \| good	2.564 \| good	0.132 \| good
2025-12-07T20:00:00.000Z	38 \| good	3.35 \| good	14.726 \| good	40.927 \| good	0.501 \| good	2.37 \| good	0.13 \| good
2025-12-07T21:00:00.000Z	37 \| good	2.837 \| good	11.793 \| good	39.831 \| good	0.498 \| good	2.176 \| good	0.128 \| good
2025-12-07T22:00:00.000Z	35 \| good	2.938 \| good	11.98 \| good	38.005 \| good	0.567 \| good	6.727 \| good	0.158 \| good
2025-12-07T23:00:00.000Z	32 \| good	4.969 \| good	21.431 \| good	35.457 \| good	0.636 \| good	11.279 \| good	0.188 \| good
2025-12-08T00:00:00.000Z	31 \| good	4.375 \| good	19.139 \| good	33.612 \| good	0.706 \| good	15.83 \| good	0.218 \| good
2025-12-08T01:00:00.000Z	30 \| good	4.857 \| good	21.152 \| good	31.601 \| good	0.72 \| good	17.266 \| good	0.226 \| good
2025-12-08T02:00:00.000Z	38 \| good	6.512 \| good	28.895 \| good	29.982 \| good	0.733 \| good	18.703 \| good	0.234 \| good
2025-12-08T03:00:00.000Z	38 \| good	6.602 \| good	29.359 \| good	24.826 \| good	0.747 \| good	20.14 \| good	0.241 \| good
2025-12-08T04:00:00.000Z	44 \| good	7.855 \| good	34.334 \| good	22.239 \| good	0.765 \| good	20.159 \| good	0.238 \| good
2025-12-08T05:00:00.000Z	38 \| good	7.17 \| good	31.339 \| good	23.938 \| good	0.783 \| good	20.179 \| good	0.235 \| good
2025-12-08T06:00:00.000Z	33 \| good	5.519 \| good	24.057 \| good	26.654 \| good	0.801 \| good	20.198 \| good	0.231 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.769 \| good	20.707 \| good	26.094 \| good	0.752 \| good	19.205 \| good	0.225 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.847 \| good	25.296 \| good	23.328 \| good	0.704 \| good	18.213 \| good	0.219 \| good
2025-12-08T09:00:00.000Z	38 \| good	6.597 \| good	29.087 \| good	19.4 \| good	0.655 \| good	17.22 \| good	0.212 \| good
2025-12-08T10:00:00.000Z	33 \| good	6.032 \| good	26.964 \| good	16.457 \| good	0.61 \| good	15.483 \| good	0.199 \| good
2025-12-08T11:00:00.000Z	44 \| good	7.532 \| good	32.892 \| good	17.549 \| good	0.565 \| good	13.745 \| good	0.185 \| good
2025-12-08T12:00:00.000Z	44 \| good	8.215 \| good	36.019 \| good	17.983 \| good	0.52 \| good	12.007 \| good	0.171 \| good
2025-12-08T13:00:00.000Z	44 \| good	8.479 \| good	36.963 \| good	19.98 \| good	0.582 \| good	13.101 \| good	0.187 \| good
2025-12-08T14:00:00.000Z	49 \| good	9.325 \| good	41.512 \| good	19.21 \| good	0.645 \| good	14.194 \| good	0.203 \| good
2025-12-08T15:00:00.000Z	52 \| moderate	10.182 \| good	44.912 \| good	22.882 \| good	0.707 \| good	15.287 \| good	0.218 \| good
2025-12-08T16:00:00.000Z	49 \| good	8.906 \| good	39.838 \| good	29.754 \| good	0.763 \| good	14.135 \| good	0.222 \| good
2025-12-08T17:00:00.000Z	38 \| good	6.578 \| good	29.245 \| good	36.614 \| good	0.819 \| good	12.982 \| good	0.226 \| good
2025-12-08T18:00:00.000Z	35 \| good	4.922 \| good	21.484 \| good	38.389 \| good	0.875 \| good	11.83 \| good	0.229 \| good
2025-12-08T19:00:00.000Z	35 \| good	4.622 \| good	19.993 \| good	38.199 \| good	0.94 \| good	10.429 \| good	0.204 \| good
2025-12-08T20:00:00.000Z	33 \| good	4.432 \| good	19.022 \| good	36.389 \| good	1.005 \| good	9.029 \| good	0.179 \| good
2025-12-08T21:00:00.000Z	33 \| good	3.472 \| good	15.387 \| good	36.25 \| good	1.069 \| good	7.628 \| good	0.154 \| good
2025-12-08T22:00:00.000Z	35 \| good	3.404 \| good	14.775 \| good	37.979 \| good	1.17 \| good	13.722 \| good	0.206 \| good
2025-12-08T23:00:00.000Z	37 \| good	3.751 \| good	16.472 \| good	40.355 \| good	1.27 \| good	19.815 \| good	0.257 \| good
2025-12-09T00:00:00.000Z	39 \| good	2.277 \| good	9.499 \| good	41.857 \| good	1.371 \| good	25.908 \| good	0.309 \| good
2025-12-09T01:00:00.000Z	39 \| good	3.457 \| good	15.278 \| good	41.835 \| good	1.301 \| good	26.779 \| good	0.308 \| good
2025-12-09T02:00:00.000Z	37 \| good	4.401 \| good	19.193 \| good	39.912 \| good	1.232 \| good	27.651 \| good	0.308 \| good
2025-12-09T03:00:00.000Z	33 \| good	3.165 \| good	13.956 \| good	35.616 \| good	1.163 \| good	28.522 \| good	0.308 \| good
2025-12-09T04:00:00.000Z	32 \| good	2.65 \| good	10.8 \| good	34.569 \| good	1.012 \| good	27.232 \| good	0.284 \| good
2025-12-09T05:00:00.000Z	35 \| good	1.796 \| good	7.517 \| good	38.398 \| good	0.862 \| good	25.941 \| good	0.26 \| good
2025-12-09T06:00:00.000Z	52 \| moderate	9.727 \| good	9.919 \| good	19.908 \| good	0.704 \| good	24.255 \| good	0.234 \| good
2025-12-09T07:00:00.000Z	31 \| good	4.05 \| good	17.842 \| good	32.552 \| good	0.627 \| good	21.04 \| good	0.215 \| good
2025-12-09T08:00:00.000Z	29 \| good	3.225 \| good	13.926 \| good	31.48 \| good	0.542 \| good	17.429 \| good	0.193 \| good
2025-12-09T09:00:00.000Z	32 \| good	2.723 \| good	11.115 \| good	34.538 \| good	0.458 \| good	13.819 \| good	0.172 \| good
2025-12-09T10:00:00.000Z	32 \| good	2.412 \| good	10.013 \| good	34.881 \| good	0.443 \| good	11.875 \| good	0.16 \| good
2025-12-09T11:00:00.000Z	31 \| good	3.614 \| good	16.056 \| good	33.076 \| good	0.428 \| good	9.931 \| good	0.147 \| good

Frederick

Get reliable air quality data to drive your business

Frederick, Colorado air quality map: Stay updated on AQI near you

0.17ppm

How accurate is Colorado, USA air quality data?

Air quality and pollutant data for Colorado, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Frederick, Colorado?

The air quality information for Frederick, Colorado is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Frederick, Colorado at its worst?

In the past 24 hours, the air quality in Frederick, Colorado was at its worst at 02:00:00 on 2025-12-06.

When did Frederick, Colorado experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Frederick, Colorado was observed at 09:00:00 on 2025-12-07.

What is the AQI in Frederick, Colorado right now?

As of now, the AQI in Frederick, Colorado is 34, indicating Good conditions.

What is the most common type of pollution in Frederick, Colorado?

Frederick, Colorado air has the highest levels of O3.

What should I do in case of poor air quality in Frederick, Colorado?

Poor air quality in Frederick, Colorado means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Frederick, Colorado at the moment?

PM_2.5 levels in Frederick, Colorado are currently 2.843 μg/m³.

What is the PM₁₀ level in Frederick, Colorado at the moment?

The PM₁₀ concentration in Frederick, Colorado is 7.557 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Frederick, Colorado at the moment?

The current carbon monoxide (CO) concentration in Frederick, Colorado is 0.212 ppm.

What is the sulfur dioxide (SO₂) level in Frederick, Colorado at the moment?

Currently, Frederick, Colorado has a sulfur dioxide (SO₂) concentration of 0.324 ppb.

What is the ozone (O₃) level in Frederick, Colorado at the moment?

The current ozone (O₃) level in Frederick, Colorado at the moment is 36.983 ppm.

What is the nitrogen dioxide (NO₂) level in Frederick, Colorado at the moment?

Nitrogen dioxide (NO₂) level in Frederick, Colorado at the moment is 13.951 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T12:00:00.000Z	58 \| moderate	12.834 \| fine	50.149 \| good	16.203 \| good	0.725 \| good	28.632 \| good	0.429 \| good
2025-12-05T13:00:00.000Z	54 \| moderate	10.539 \| good	13.013 \| good	10.647 \| good	0.793 \| good	28.417 \| good	0.504 \| good
2025-12-05T14:00:00.000Z	60 \| moderate	14.236 \| fine	29.626 \| good	10.14 \| good	1.347 \| good	36.606 \| good	0.59 \| good
2025-12-05T15:00:00.000Z	60 \| moderate	13.968 \| fine	45.702 \| good	15.863 \| good	1.677 \| good	34.719 \| good	0.618 \| good
2025-12-05T16:00:00.000Z	44 \| good	8.169 \| good	34.1 \| good	21.073 \| good	1.42 \| good	33.021 \| good	0.518 \| good
2025-12-05T17:00:00.000Z	64 \| moderate	15.731 \| fine	25.822 \| good	21.959 \| good	1.472 \| good	32.491 \| good	0.46 \| good
2025-12-05T18:00:00.000Z	66 \| moderate	16.532 \| fine	22.079 \| good	26.793 \| good	1.242 \| good	27.294 \| good	0.467 \| good
2025-12-05T19:00:00.000Z	73 \| moderate	20.778 \| fine	42.096 \| good	24.526 \| good	1.175 \| good	25.577 \| good	0.471 \| good
2025-12-05T20:00:00.000Z	73 \| moderate	21.172 \| fine	61.349 \| fine	22.596 \| good	1.403 \| good	21.781 \| good	0.449 \| good
2025-12-05T21:00:00.000Z	62 \| moderate	14.566 \| fine	33.129 \| good	23.251 \| good	1.339 \| good	21.492 \| good	0.471 \| good
2025-12-05T22:00:00.000Z	64 \| moderate	16.052 \| fine	45.957 \| good	23.986 \| good	1.169 \| good	29.205 \| good	0.494 \| good
2025-12-05T23:00:00.000Z	64 \| moderate	16.27 \| fine	45.22 \| good	22.101 \| good	1.097 \| good	32.233 \| good	0.478 \| good
2025-12-06T00:00:00.000Z	73 \| moderate	21.116 \| fine	30.112 \| good	16.989 \| good	0.76 \| good	38.871 \| good	0.572 \| good
2025-12-06T01:00:00.000Z	58 \| moderate	12.6 \| fine	28.532 \| good	8.615 \| good	1.422 \| good	41.367 \| good	0.674 \| good
2025-12-06T02:00:00.000Z	62 \| moderate	15.246 \| fine	46.079 \| good	9.406 \| good	1.349 \| good	42.988 \| good	0.837 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	11.158 \| good	19.311 \| good	6.95 \| good	1.238 \| good	41.88 \| good	0.737 \| good
2025-12-06T04:00:00.000Z	62 \| moderate	14.648 \| fine	32.562 \| good	16.165 \| good	0.907 \| good	35.114 \| good	0.576 \| good
2025-12-06T05:00:00.000Z	82 \| moderate	26.022 \| fine	52.898 \| good	13.683 \| good	0.592 \| good	27.612 \| good	0.451 \| good
2025-12-06T06:00:00.000Z	38 \| good	6.79 \| good	20.793 \| good	10.044 \| good	0.347 \| good	29.855 \| good	0.404 \| good
2025-12-06T07:00:00.000Z	52 \| moderate	9.583 \| good	29.64 \| good	9.408 \| good	0.323 \| good	32.182 \| good	0.396 \| good
2025-12-06T08:00:00.000Z	38 \| good	6.581 \| good	15.66 \| good	9.977 \| good	0.486 \| good	28.568 \| good	0.391 \| good
2025-12-06T09:00:00.000Z	62 \| moderate	14.589 \| fine	45.322 \| good	11.775 \| good	0.479 \| good	28.311 \| good	0.388 \| good
2025-12-06T10:00:00.000Z	52 \| moderate	9.996 \| good	33.203 \| good	8.194 \| good	0.656 \| good	26.739 \| good	0.406 \| good
2025-12-06T11:00:00.000Z	33 \| good	6.327 \| good	17.969 \| good	20.953 \| good	0.558 \| good	23.216 \| good	0.355 \| good
2025-12-06T12:00:00.000Z	56 \| moderate	12.134 \| fine	32.81 \| good	19.474 \| good	0.742 \| good	31.851 \| good	0.334 \| good
2025-12-06T13:00:00.000Z	56 \| moderate	11.81 \| good	17.35 \| good	32.826 \| good	0.726 \| good	24.428 \| good	0.429 \| good
2025-12-06T14:00:00.000Z	58 \| moderate	13.254 \| fine	36.692 \| good	34.319 \| good	0.843 \| good	22.336 \| good	0.468 \| good
2025-12-06T15:00:00.000Z	54 \| moderate	11.197 \| good	24.369 \| good	33.089 \| good	1.109 \| good	23.45 \| good	0.542 \| good
2025-12-06T16:00:00.000Z	49 \| good	8.617 \| good	24.82 \| good	29.197 \| good	1.358 \| good	14.819 \| good	0.532 \| good
2025-12-06T17:00:00.000Z	33 \| good	6.24 \| good	9.098 \| good	22.412 \| good	0.814 \| good	10.377 \| good	0.215 \| good
2025-12-06T18:00:00.000Z	32 \| good	4.039 \| good	30.58 \| good	34.512 \| good	0.564 \| good	6.931 \| good	0.237 \| good
2025-12-06T19:00:00.000Z	31 \| good	2.478 \| good	5.814 \| good	33.204 \| good	0.474 \| good	7.539 \| good	0.237 \| good
2025-12-06T20:00:00.000Z	31 \| good	1.937 \| good	7.129 \| good	33.148 \| good	0.378 \| good	6.605 \| good	0.19 \| good
2025-12-06T21:00:00.000Z	32 \| good	1.678 \| good	6.847 \| good	34.88 \| good	0.402 \| good	6.23 \| good	0.19 \| good
2025-12-06T22:00:00.000Z	34 \| good	1.092 \| good	6.734 \| good	37.33 \| good	0.349 \| good	5.55 \| good	0.197 \| good
2025-12-06T23:00:00.000Z	33 \| good	1.088 \| good	6.143 \| good	36.364 \| good	0.535 \| good	7.598 \| good	0.199 \| good
2025-12-07T00:00:00.000Z	34 \| good	1.956 \| good	9.035 \| good	36.515 \| good	0.286 \| good	12.609 \| good	0.24 \| good
2025-12-07T01:00:00.000Z	33 \| good	2.341 \| good	6.61 \| good	36.119 \| good	0.276 \| good	11.649 \| good	0.24 \| good
2025-12-07T02:00:00.000Z	39 \| good	1.602 \| good	3.166 \| good	41.671 \| good	0.304 \| good	13.406 \| good	0.216 \| good
2025-12-07T03:00:00.000Z	37 \| good	2.122 \| good	4.183 \| good	40.011 \| good	0.338 \| good	11.009 \| good	0.189 \| good
2025-12-07T04:00:00.000Z	35 \| good	2.346 \| good	6.428 \| good	38.035 \| good	0.259 \| good	6.594 \| good	0.256 \| good
2025-12-07T05:00:00.000Z	35 \| good	2.22 \| good	5.346 \| good	38.276 \| good	0.234 \| good	5.56 \| good	0.222 \| good
2025-12-07T06:00:00.000Z	33 \| good	2.996 \| good	10.687 \| good	36.113 \| good	0.389 \| good	5.26 \| good	0.214 \| good
2025-12-07T07:00:00.000Z	33 \| good	2.74 \| good	9.09 \| good	36.076 \| good	0.29 \| good	12.921 \| good	0.206 \| good
2025-12-07T08:00:00.000Z	34 \| good	2.01 \| good	6.558 \| good	37.271 \| good	0.254 \| good	14.067 \| good	0.189 \| good
2025-12-07T09:00:00.000Z	31 \| good	2.264 \| good	7.555 \| good	32.838 \| good	0.241 \| good	20.786 \| good	0.189 \| good
2025-12-07T10:00:00.000Z	32 \| good	2.174 \| good	7.108 \| good	35.308 \| good	0.324 \| good	15.442 \| good	0.172 \| good
2025-12-07T11:00:00.000Z	34 \| good	2.843 \| good	7.557 \| good	36.983 \| good	0.324 \| good	13.951 \| good	0.212 \| good
2025-12-07T11:00:00.000Z	34 \| good	2.843 \| good	7.557 \| good	36.983 \| good	0.324 \| good	13.951 \| good	0.212 \| good
2025-12-07T12:00:00.000Z	27 \| good	5.332 \| good	22.916 \| good	28.154 \| good	0.429 \| good	21.173 \| good	0.206 \| good
2025-12-07T13:00:00.000Z	33 \| good	5.916 \| good	26.319 \| good	31.068 \| good	0.538 \| good	20.312 \| good	0.224 \| good
2025-12-07T14:00:00.000Z	33 \| good	6.376 \| good	28.279 \| good	34.36 \| good	0.647 \| good	19.451 \| good	0.242 \| good
2025-12-07T15:00:00.000Z	38 \| good	6.944 \| good	30.386 \| good	33.935 \| good	0.755 \| good	18.59 \| good	0.259 \| good
2025-12-07T16:00:00.000Z	33 \| good	6.148 \| good	27.343 \| good	33.573 \| good	0.673 \| good	13.313 \| good	0.218 \| good
2025-12-07T17:00:00.000Z	34 \| good	5.117 \| good	21.9 \| good	37.31 \| good	0.59 \| good	8.035 \| good	0.176 \| good
2025-12-07T18:00:00.000Z	36 \| good	4.131 \| good	17.748 \| good	38.817 \| good	0.508 \| good	2.758 \| good	0.134 \| good
2025-12-07T19:00:00.000Z	36 \| good	4.123 \| good	17.839 \| good	39.318 \| good	0.504 \| good	2.564 \| good	0.132 \| good
2025-12-07T20:00:00.000Z	38 \| good	3.35 \| good	14.726 \| good	40.927 \| good	0.501 \| good	2.37 \| good	0.13 \| good
2025-12-07T21:00:00.000Z	37 \| good	2.837 \| good	11.793 \| good	39.831 \| good	0.498 \| good	2.176 \| good	0.128 \| good
2025-12-07T22:00:00.000Z	35 \| good	2.938 \| good	11.98 \| good	38.005 \| good	0.567 \| good	6.727 \| good	0.158 \| good
2025-12-07T23:00:00.000Z	32 \| good	4.969 \| good	21.431 \| good	35.457 \| good	0.636 \| good	11.279 \| good	0.188 \| good
2025-12-08T00:00:00.000Z	31 \| good	4.375 \| good	19.139 \| good	33.612 \| good	0.706 \| good	15.83 \| good	0.218 \| good
2025-12-08T01:00:00.000Z	30 \| good	4.857 \| good	21.152 \| good	31.601 \| good	0.72 \| good	17.266 \| good	0.226 \| good
2025-12-08T02:00:00.000Z	38 \| good	6.512 \| good	28.895 \| good	29.982 \| good	0.733 \| good	18.703 \| good	0.234 \| good
2025-12-08T03:00:00.000Z	38 \| good	6.602 \| good	29.359 \| good	24.826 \| good	0.747 \| good	20.14 \| good	0.241 \| good
2025-12-08T04:00:00.000Z	44 \| good	7.855 \| good	34.334 \| good	22.239 \| good	0.765 \| good	20.159 \| good	0.238 \| good
2025-12-08T05:00:00.000Z	38 \| good	7.17 \| good	31.339 \| good	23.938 \| good	0.783 \| good	20.179 \| good	0.235 \| good
2025-12-08T06:00:00.000Z	33 \| good	5.519 \| good	24.057 \| good	26.654 \| good	0.801 \| good	20.198 \| good	0.231 \| good
2025-12-08T07:00:00.000Z	27 \| good	4.769 \| good	20.707 \| good	26.094 \| good	0.752 \| good	19.205 \| good	0.225 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.847 \| good	25.296 \| good	23.328 \| good	0.704 \| good	18.213 \| good	0.219 \| good
2025-12-08T09:00:00.000Z	38 \| good	6.597 \| good	29.087 \| good	19.4 \| good	0.655 \| good	17.22 \| good	0.212 \| good
2025-12-08T10:00:00.000Z	33 \| good	6.032 \| good	26.964 \| good	16.457 \| good	0.61 \| good	15.483 \| good	0.199 \| good
2025-12-08T11:00:00.000Z	44 \| good	7.532 \| good	32.892 \| good	17.549 \| good	0.565 \| good	13.745 \| good	0.185 \| good
2025-12-08T12:00:00.000Z	44 \| good	8.215 \| good	36.019 \| good	17.983 \| good	0.52 \| good	12.007 \| good	0.171 \| good
2025-12-08T13:00:00.000Z	44 \| good	8.479 \| good	36.963 \| good	19.98 \| good	0.582 \| good	13.101 \| good	0.187 \| good
2025-12-08T14:00:00.000Z	49 \| good	9.325 \| good	41.512 \| good	19.21 \| good	0.645 \| good	14.194 \| good	0.203 \| good
2025-12-08T15:00:00.000Z	52 \| moderate	10.182 \| good	44.912 \| good	22.882 \| good	0.707 \| good	15.287 \| good	0.218 \| good
2025-12-08T16:00:00.000Z	49 \| good	8.906 \| good	39.838 \| good	29.754 \| good	0.763 \| good	14.135 \| good	0.222 \| good
2025-12-08T17:00:00.000Z	38 \| good	6.578 \| good	29.245 \| good	36.614 \| good	0.819 \| good	12.982 \| good	0.226 \| good
2025-12-08T18:00:00.000Z	35 \| good	4.922 \| good	21.484 \| good	38.389 \| good	0.875 \| good	11.83 \| good	0.229 \| good
2025-12-08T19:00:00.000Z	35 \| good	4.622 \| good	19.993 \| good	38.199 \| good	0.94 \| good	10.429 \| good	0.204 \| good
2025-12-08T20:00:00.000Z	33 \| good	4.432 \| good	19.022 \| good	36.389 \| good	1.005 \| good	9.029 \| good	0.179 \| good
2025-12-08T21:00:00.000Z	33 \| good	3.472 \| good	15.387 \| good	36.25 \| good	1.069 \| good	7.628 \| good	0.154 \| good
2025-12-08T22:00:00.000Z	35 \| good	3.404 \| good	14.775 \| good	37.979 \| good	1.17 \| good	13.722 \| good	0.206 \| good
2025-12-08T23:00:00.000Z	37 \| good	3.751 \| good	16.472 \| good	40.355 \| good	1.27 \| good	19.815 \| good	0.257 \| good
2025-12-09T00:00:00.000Z	39 \| good	2.277 \| good	9.499 \| good	41.857 \| good	1.371 \| good	25.908 \| good	0.309 \| good
2025-12-09T01:00:00.000Z	39 \| good	3.457 \| good	15.278 \| good	41.835 \| good	1.301 \| good	26.779 \| good	0.308 \| good
2025-12-09T02:00:00.000Z	37 \| good	4.401 \| good	19.193 \| good	39.912 \| good	1.232 \| good	27.651 \| good	0.308 \| good
2025-12-09T03:00:00.000Z	33 \| good	3.165 \| good	13.956 \| good	35.616 \| good	1.163 \| good	28.522 \| good	0.308 \| good
2025-12-09T04:00:00.000Z	32 \| good	2.65 \| good	10.8 \| good	34.569 \| good	1.012 \| good	27.232 \| good	0.284 \| good
2025-12-09T05:00:00.000Z	35 \| good	1.796 \| good	7.517 \| good	38.398 \| good	0.862 \| good	25.941 \| good	0.26 \| good
2025-12-09T06:00:00.000Z	52 \| moderate	9.727 \| good	9.919 \| good	19.908 \| good	0.704 \| good	24.255 \| good	0.234 \| good
2025-12-09T07:00:00.000Z	31 \| good	4.05 \| good	17.842 \| good	32.552 \| good	0.627 \| good	21.04 \| good	0.215 \| good
2025-12-09T08:00:00.000Z	29 \| good	3.225 \| good	13.926 \| good	31.48 \| good	0.542 \| good	17.429 \| good	0.193 \| good
2025-12-09T09:00:00.000Z	32 \| good	2.723 \| good	11.115 \| good	34.538 \| good	0.458 \| good	13.819 \| good	0.172 \| good
2025-12-09T10:00:00.000Z	32 \| good	2.412 \| good	10.013 \| good	34.881 \| good	0.443 \| good	11.875 \| good	0.16 \| good
2025-12-09T11:00:00.000Z	31 \| good	3.614 \| good	16.056 \| good	33.076 \| good	0.428 \| good	9.931 \| good	0.147 \| good

Live air quality index in Frederick, Colorado today

Major air pollutants in Frederick, Colorado

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Frederick, Colorado air quality map: Stay updated on AQI near you

Air quality in nearby cities

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Erie, Colorado

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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