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

The PM10 concentration in Frederick, Colorado is 40.605 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 0.663 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 23.855 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 20.73 ppb.

Live air quality index in Frederick, Colorado today

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

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)

5.61 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

40.60 μg/m³

155

255

425

605+

Ozone (O₃)

23.86 ppb

201

201+

Sulfur Dioxide (SO₂)

0.66 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

20.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2025-10-20T10:00:00.000Z	36 \| good	2.404 \| good	13.606 \| good	39.423 \| good	0.63 \| good	5.844 \| good	0.147 \| good
2025-10-20T11:00:00.000Z	35 \| good	2.253 \| good	9.189 \| good	37.824 \| good	0.675 \| good	15.858 \| good	0.125 \| good
2025-10-20T12:00:00.000Z	31 \| good	2.293 \| good	24.029 \| good	32.997 \| good	0.586 \| good	21.952 \| good	0.125 \| good
2025-10-20T13:00:00.000Z	31 \| good	3.169 \| good	20.122 \| good	33.778 \| good	0.438 \| good	13.125 \| good	0.153 \| good
2025-10-20T14:00:00.000Z	42 \| good	4.217 \| good	44.779 \| good	41.311 \| good	0.41 \| good	6.357 \| good	0.199 \| good
2025-10-20T15:00:00.000Z	41 \| good	2.848 \| good	28.245 \| good	44.371 \| good	0.412 \| good	1.934 \| good	0.149 \| good
2025-10-20T16:00:00.000Z	41 \| good	2.664 \| good	15.252 \| good	43.644 \| good	0.48 \| good	1.502 \| good	0.149 \| good
2025-10-20T17:00:00.000Z	41 \| good	2.773 \| good	14.111 \| good	44.462 \| good	0.366 \| good	3.662 \| good	0.147 \| good
2025-10-20T18:00:00.000Z	42 \| good	2.838 \| good	14.619 \| good	45.498 \| good	0.323 \| good	6.265 \| good	0.147 \| good
2025-10-20T19:00:00.000Z	40 \| good	2.4 \| good	14.437 \| good	42.864 \| good	0.321 \| good	5.916 \| good	0.147 \| good
2025-10-20T20:00:00.000Z	42 \| good	2.209 \| good	15.017 \| good	45.29 \| good	0.32 \| good	7.136 \| good	0.147 \| good
2025-10-20T21:00:00.000Z	44 \| good	1.98 \| good	15.862 \| good	46.541 \| good	0.318 \| good	7.832 \| good	0.147 \| good
2025-10-20T22:00:00.000Z	42 \| good	1.855 \| good	13.871 \| good	44.668 \| good	0.356 \| good	10.159 \| good	0.17 \| good
2025-10-20T23:00:00.000Z	40 \| good	2.163 \| good	12.177 \| good	43.32 \| good	0.356 \| good	10.666 \| good	0.173 \| good
2025-10-21T00:00:00.000Z	41 \| good	2.26 \| good	14.744 \| good	44.289 \| good	0.313 \| good	11.694 \| good	0.173 \| good
2025-10-21T01:00:00.000Z	39 \| good	2.417 \| good	18.337 \| good	41.74 \| good	0.311 \| good	11.156 \| good	0.173 \| good
2025-10-21T02:00:00.000Z	39 \| good	1.958 \| good	9.444 \| good	42.221 \| good	0.488 \| good	8.58 \| good	0.167 \| good
2025-10-21T03:00:00.000Z	24 \| good	2.653 \| good	10.955 \| good	25.851 \| good	0.44 \| good	7.536 \| good	0.142 \| good
2025-10-21T04:00:00.000Z	37 \| good	2.898 \| good	14.795 \| good	40.475 \| good	0.326 \| good	14.642 \| good	0.197 \| good
2025-10-21T05:00:00.000Z	37 \| good	2.829 \| good	14.076 \| good	39.931 \| good	1.006 \| good	15.338 \| good	0.214 \| good
2025-10-21T06:00:00.000Z	32 \| good	3.017 \| good	14.986 \| good	34.531 \| good	0.552 \| good	17.248 \| good	0.214 \| good
2025-10-21T07:00:00.000Z	31 \| good	3.321 \| good	18.289 \| good	33.093 \| good	0.33 \| good	18.434 \| good	0.164 \| good
2025-10-21T08:00:00.000Z	27 \| good	3.765 \| good	13.382 \| good	29.023 \| good	0.903 \| good	16.343 \| good	0.19 \| good
2025-10-21T09:00:00.000Z	25 \| good	3.237 \| good	13.911 \| good	26.699 \| good	0.789 \| good	13.808 \| good	0.19 \| good
2025-10-21T10:00:00.000Z	22 \| good	3.227 \| good	13.816 \| good	24.043 \| good	0.603 \| good	16.793 \| good	0.192 \| good
2025-10-21T11:00:00.000Z	22 \| good	3.516 \| good	16.729 \| good	20.306 \| good	0.617 \| good	14.855 \| good	0.19 \| good
2025-10-21T12:00:00.000Z	22 \| good	3.504 \| good	9.268 \| good	16.513 \| good	0.666 \| good	14.143 \| good	0.24 \| good
2025-10-21T13:00:00.000Z	19 \| good	3.478 \| good	13.566 \| good	17.129 \| good	1.046 \| good	19.833 \| good	0.314 \| good
2025-10-21T14:00:00.000Z	46 \| good	6.449 \| good	50.484 \| good	26.645 \| good	0.961 \| good	23.755 \| good	0.479 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.473 \| good	36.856 \| good	28.58 \| good	1.305 \| good	24.347 \| good	0.47 \| good
2025-10-21T16:00:00.000Z	44 \| good	8.203 \| good	46.785 \| good	29.816 \| good	1.085 \| good	20.903 \| good	0.322 \| good
2025-10-21T17:00:00.000Z	38 \| good	6.583 \| good	38.827 \| good	31.867 \| good	0.918 \| good	16.574 \| good	0.242 \| good
2025-10-21T18:00:00.000Z	38 \| good	7.312 \| good	40.249 \| good	39.626 \| good	0.875 \| good	12.312 \| good	0.192 \| good
2025-10-21T19:00:00.000Z	41 \| good	5.383 \| good	39.092 \| good	43.989 \| good	0.661 \| good	10.684 \| good	0.167 \| good
2025-10-21T20:00:00.000Z	42 \| good	4.935 \| good	43.356 \| good	45.08 \| good	0.945 \| good	8.318 \| good	0.193 \| good
2025-10-21T21:00:00.000Z	43 \| good	5.742 \| good	30.814 \| good	45.69 \| good	0.725 \| good	6.381 \| good	0.217 \| good
2025-10-21T22:00:00.000Z	43 \| good	5.078 \| good	31.176 \| good	46.012 \| good	0.676 \| good	8.238 \| good	0.19 \| good
2025-10-21T23:00:00.000Z	45 \| good	3.524 \| good	18.513 \| good	48.546 \| good	0.59 \| good	10.736 \| good	0.19 \| good
2025-10-22T00:00:00.000Z	44 \| good	3.392 \| good	27.34 \| good	48.134 \| good	0.719 \| good	14.609 \| good	0.233 \| good
2025-10-22T01:00:00.000Z	41 \| good	4.11 \| good	30.584 \| good	43.617 \| good	0.639 \| good	34.725 \| good	0.482 \| good
2025-10-22T02:00:00.000Z	38 \| good	4.782 \| good	29.062 \| good	41.166 \| good	0.757 \| good	28.218 \| good	0.479 \| good
2025-10-22T03:00:00.000Z	44 \| good	8.067 \| good	35.105 \| good	17.175 \| good	0.881 \| good	16.601 \| good	0.215 \| good
2025-10-22T04:00:00.000Z	42 \| good	5.087 \| good	44.552 \| good	20.342 \| good	0.439 \| good	24.773 \| good	0.296 \| good
2025-10-22T05:00:00.000Z	31 \| good	5.418 \| good	32.861 \| good	17.562 \| good	0.406 \| good	26.586 \| good	0.256 \| good
2025-10-22T06:00:00.000Z	27 \| good	4.7 \| good	23.232 \| good	16.061 \| good	0.379 \| good	16.858 \| good	0.292 \| good
2025-10-22T07:00:00.000Z	27 \| good	5.106 \| good	29.043 \| good	24.448 \| good	0.547 \| good	17.091 \| good	0.214 \| good
2025-10-22T08:00:00.000Z	38 \| good	5.609 \| good	40.605 \| good	23.855 \| good	0.663 \| good	20.73 \| good	0.239 \| good
2025-10-22T09:00:00.000Z	28 \| good	5.379 \| good	29.985 \| good	18.616 \| good	0.478 \| good	28.311 \| good	0.242 \| good
2025-10-22T09:00:00.000Z	38 \| good	5.609 \| good	40.605 \| good	23.855 \| good	0.663 \| good	20.73 \| good	0.239 \| good
2025-10-22T10:00:00.000Z	33 \| good	5.549 \| good	24.162 \| good	12.152 \| good	0.634 \| good	17.626 \| good	0.234 \| good
2025-10-22T11:00:00.000Z	27 \| good	4.646 \| good	19.878 \| good	10.788 \| good	0.58 \| good	16.822 \| good	0.226 \| good
2025-10-22T12:00:00.000Z	27 \| good	4.616 \| good	19.93 \| good	8.549 \| good	0.526 \| good	16.018 \| good	0.218 \| good
2025-10-22T13:00:00.000Z	27 \| good	5.218 \| good	22.579 \| good	7.22 \| good	0.586 \| good	14.906 \| good	0.242 \| good
2025-10-22T14:00:00.000Z	44 \| good	7.827 \| good	34.61 \| good	12.715 \| good	0.647 \| good	13.794 \| good	0.266 \| good
2025-10-22T15:00:00.000Z	49 \| good	9.128 \| good	40.461 \| good	21.158 \| good	0.708 \| good	12.682 \| good	0.289 \| good
2025-10-22T16:00:00.000Z	49 \| good	9.276 \| good	41.143 \| good	26.995 \| good	0.871 \| good	10.257 \| good	0.243 \| good
2025-10-22T17:00:00.000Z	44 \| good	7.686 \| good	33.581 \| good	34.413 \| good	1.034 \| good	7.832 \| good	0.197 \| good
2025-10-22T18:00:00.000Z	38 \| good	7.313 \| good	32.221 \| good	39.456 \| good	1.198 \| good	5.407 \| good	0.151 \| good
2025-10-22T19:00:00.000Z	40 \| good	6.223 \| good	27.293 \| good	42.978 \| good	1.1 \| good	4.748 \| good	0.144 \| good
2025-10-22T20:00:00.000Z	43 \| good	4.96 \| good	21.514 \| good	45.669 \| good	1.003 \| good	4.089 \| good	0.136 \| good
2025-10-22T21:00:00.000Z	44 \| good	3.827 \| good	16.442 \| good	47.233 \| good	0.905 \| good	3.429 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	44 \| good	4.451 \| good	19.254 \| good	48.281 \| good	0.822 \| good	4.811 \| good	0.139 \| good
2025-10-22T23:00:00.000Z	41 \| good	5.226 \| good	22.689 \| good	43.599 \| good	0.739 \| good	6.193 \| good	0.149 \| good
2025-10-23T00:00:00.000Z	33 \| good	5.169 \| good	22.513 \| good	36.17 \| good	0.657 \| good	7.574 \| good	0.159 \| good
2025-10-23T01:00:00.000Z	38 \| good	6.544 \| good	28.761 \| good	30.204 \| good	0.813 \| good	11.793 \| good	0.195 \| good
2025-10-23T02:00:00.000Z	49 \| good	9.324 \| good	41.468 \| good	22.141 \| good	0.968 \| good	16.013 \| good	0.231 \| good
2025-10-23T03:00:00.000Z	49 \| good	9.008 \| good	39.363 \| good	14.958 \| good	1.124 \| good	20.232 \| good	0.267 \| good
2025-10-23T04:00:00.000Z	56 \| moderate	11.963 \| good	53.423 \| good	10.052 \| good	1.132 \| good	20.275 \| good	0.28 \| good
2025-10-23T05:00:00.000Z	58 \| moderate	12.709 \| fine	57.233 \| fine	8.684 \| good	1.141 \| good	20.318 \| good	0.293 \| good
2025-10-23T06:00:00.000Z	58 \| moderate	13.377 \| fine	60.437 \| fine	8.134 \| good	1.149 \| good	20.361 \| good	0.306 \| good
2025-10-23T07:00:00.000Z	58 \| moderate	13.316 \| fine	59.911 \| fine	8.562 \| good	0.999 \| good	19.161 \| good	0.295 \| good
2025-10-23T08:00:00.000Z	54 \| moderate	11.206 \| good	50.019 \| good	10.141 \| good	0.849 \| good	17.961 \| good	0.285 \| good
2025-10-23T09:00:00.000Z	44 \| good	7.965 \| good	34.899 \| good	11.8 \| good	0.699 \| good	16.761 \| good	0.274 \| good
2025-10-23T10:00:00.000Z	44 \| good	7.707 \| good	34.007 \| good	12.713 \| good	0.648 \| good	15.619 \| good	0.259 \| good
2025-10-23T11:00:00.000Z	38 \| good	6.941 \| good	30.717 \| good	11.626 \| good	0.597 \| good	14.478 \| good	0.244 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.154 \| good	27.136 \| good	11.84 \| good	0.546 \| good	13.337 \| good	0.229 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.299 \| good	32.284 \| good	9.337 \| good	0.599 \| good	12.575 \| good	0.254 \| good
2025-10-23T14:00:00.000Z	49 \| good	9.026 \| good	39.76 \| good	12.138 \| good	0.652 \| good	11.812 \| good	0.279 \| good
2025-10-23T15:00:00.000Z	49 \| good	8.881 \| good	39.038 \| good	22.479 \| good	0.705 \| good	11.05 \| good	0.304 \| good
2025-10-23T16:00:00.000Z	38 \| good	7.267 \| good	31.888 \| good	28.766 \| good	0.935 \| good	10.011 \| good	0.266 \| good
2025-10-23T17:00:00.000Z	44 \| good	7.579 \| good	33.416 \| good	34.202 \| good	1.166 \| good	8.973 \| good	0.229 \| good
2025-10-23T18:00:00.000Z	44 \| good	8.245 \| good	36.182 \| good	38.444 \| good	1.397 \| good	7.934 \| good	0.192 \| good
2025-10-23T19:00:00.000Z	39 \| good	7.115 \| good	31.659 \| good	41.86 \| good	1.341 \| good	7.373 \| good	0.18 \| good
2025-10-23T20:00:00.000Z	44 \| good	7.555 \| good	33.573 \| good	45.966 \| good	1.286 \| good	6.813 \| good	0.169 \| good
2025-10-23T21:00:00.000Z	44 \| good	7.12 \| good	31.72 \| good	47.812 \| good	1.231 \| good	6.252 \| good	0.157 \| good
2025-10-23T22:00:00.000Z	45 \| good	5.391 \| good	23.352 \| good	48.747 \| good	1.141 \| good	7.701 \| good	0.166 \| good
2025-10-23T23:00:00.000Z	42 \| good	4.804 \| good	20.967 \| good	44.889 \| good	1.051 \| good	9.15 \| good	0.175 \| good
2025-10-24T00:00:00.000Z	33 \| good	4.77 \| good	20.554 \| good	36.466 \| good	0.961 \| good	10.599 \| good	0.184 \| good
2025-10-24T01:00:00.000Z	33 \| good	6.14 \| good	27.316 \| good	27.507 \| good	0.953 \| good	12.917 \| good	0.204 \| good
2025-10-24T02:00:00.000Z	44 \| good	7.976 \| good	35.048 \| good	23.284 \| good	0.946 \| good	15.236 \| good	0.225 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.362 \| good	32.585 \| good	23.266 \| good	0.939 \| good	17.555 \| good	0.246 \| good
2025-10-24T04:00:00.000Z	44 \| good	7.596 \| good	33.618 \| good	21.881 \| good	0.88 \| good	17.206 \| good	0.245 \| good
2025-10-24T05:00:00.000Z	44 \| good	7.696 \| good	33.684 \| good	21.842 \| good	0.822 \| good	16.858 \| good	0.245 \| good
2025-10-24T06:00:00.000Z	49 \| good	8.833 \| good	9.197 \| good	17.329 \| good	0.759 \| good	16.341 \| good	0.244 \| good
2025-10-24T07:00:00.000Z	44 \| good	8.078 \| good	35.523 \| good	15.898 \| good	0.715 \| good	15.647 \| good	0.234 \| good
2025-10-24T08:00:00.000Z	44 \| good	7.997 \| good	34.885 \| good	16.11 \| good	0.666 \| good	14.784 \| good	0.223 \| good
2025-10-24T09:00:00.000Z	33 \| good	6.436 \| good	28.409 \| good	16.99 \| good	0.616 \| good	13.922 \| good	0.212 \| good

Frederick

Get reliable air quality data to drive your business

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

0.24ppm

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 2025-10-21.

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 01:00:00 on 2025-10-21.

What is the AQI in Frederick, Colorado right now?

As of now, the AQI in Frederick, Colorado is 38, indicating Good conditions.

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

Frederick, Colorado air has the highest levels of PM10.

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 5.609 μg/m³.

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

The PM₁₀ concentration in Frederick, Colorado is 40.605 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 0.239 ppm.

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

Currently, Frederick, Colorado has a sulfur dioxide (SO₂) concentration of 0.663 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 23.855 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 20.73 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T10:00:00.000Z	36 \| good	2.404 \| good	13.606 \| good	39.423 \| good	0.63 \| good	5.844 \| good	0.147 \| good
2025-10-20T11:00:00.000Z	35 \| good	2.253 \| good	9.189 \| good	37.824 \| good	0.675 \| good	15.858 \| good	0.125 \| good
2025-10-20T12:00:00.000Z	31 \| good	2.293 \| good	24.029 \| good	32.997 \| good	0.586 \| good	21.952 \| good	0.125 \| good
2025-10-20T13:00:00.000Z	31 \| good	3.169 \| good	20.122 \| good	33.778 \| good	0.438 \| good	13.125 \| good	0.153 \| good
2025-10-20T14:00:00.000Z	42 \| good	4.217 \| good	44.779 \| good	41.311 \| good	0.41 \| good	6.357 \| good	0.199 \| good
2025-10-20T15:00:00.000Z	41 \| good	2.848 \| good	28.245 \| good	44.371 \| good	0.412 \| good	1.934 \| good	0.149 \| good
2025-10-20T16:00:00.000Z	41 \| good	2.664 \| good	15.252 \| good	43.644 \| good	0.48 \| good	1.502 \| good	0.149 \| good
2025-10-20T17:00:00.000Z	41 \| good	2.773 \| good	14.111 \| good	44.462 \| good	0.366 \| good	3.662 \| good	0.147 \| good
2025-10-20T18:00:00.000Z	42 \| good	2.838 \| good	14.619 \| good	45.498 \| good	0.323 \| good	6.265 \| good	0.147 \| good
2025-10-20T19:00:00.000Z	40 \| good	2.4 \| good	14.437 \| good	42.864 \| good	0.321 \| good	5.916 \| good	0.147 \| good
2025-10-20T20:00:00.000Z	42 \| good	2.209 \| good	15.017 \| good	45.29 \| good	0.32 \| good	7.136 \| good	0.147 \| good
2025-10-20T21:00:00.000Z	44 \| good	1.98 \| good	15.862 \| good	46.541 \| good	0.318 \| good	7.832 \| good	0.147 \| good
2025-10-20T22:00:00.000Z	42 \| good	1.855 \| good	13.871 \| good	44.668 \| good	0.356 \| good	10.159 \| good	0.17 \| good
2025-10-20T23:00:00.000Z	40 \| good	2.163 \| good	12.177 \| good	43.32 \| good	0.356 \| good	10.666 \| good	0.173 \| good
2025-10-21T00:00:00.000Z	41 \| good	2.26 \| good	14.744 \| good	44.289 \| good	0.313 \| good	11.694 \| good	0.173 \| good
2025-10-21T01:00:00.000Z	39 \| good	2.417 \| good	18.337 \| good	41.74 \| good	0.311 \| good	11.156 \| good	0.173 \| good
2025-10-21T02:00:00.000Z	39 \| good	1.958 \| good	9.444 \| good	42.221 \| good	0.488 \| good	8.58 \| good	0.167 \| good
2025-10-21T03:00:00.000Z	24 \| good	2.653 \| good	10.955 \| good	25.851 \| good	0.44 \| good	7.536 \| good	0.142 \| good
2025-10-21T04:00:00.000Z	37 \| good	2.898 \| good	14.795 \| good	40.475 \| good	0.326 \| good	14.642 \| good	0.197 \| good
2025-10-21T05:00:00.000Z	37 \| good	2.829 \| good	14.076 \| good	39.931 \| good	1.006 \| good	15.338 \| good	0.214 \| good
2025-10-21T06:00:00.000Z	32 \| good	3.017 \| good	14.986 \| good	34.531 \| good	0.552 \| good	17.248 \| good	0.214 \| good
2025-10-21T07:00:00.000Z	31 \| good	3.321 \| good	18.289 \| good	33.093 \| good	0.33 \| good	18.434 \| good	0.164 \| good
2025-10-21T08:00:00.000Z	27 \| good	3.765 \| good	13.382 \| good	29.023 \| good	0.903 \| good	16.343 \| good	0.19 \| good
2025-10-21T09:00:00.000Z	25 \| good	3.237 \| good	13.911 \| good	26.699 \| good	0.789 \| good	13.808 \| good	0.19 \| good
2025-10-21T10:00:00.000Z	22 \| good	3.227 \| good	13.816 \| good	24.043 \| good	0.603 \| good	16.793 \| good	0.192 \| good
2025-10-21T11:00:00.000Z	22 \| good	3.516 \| good	16.729 \| good	20.306 \| good	0.617 \| good	14.855 \| good	0.19 \| good
2025-10-21T12:00:00.000Z	22 \| good	3.504 \| good	9.268 \| good	16.513 \| good	0.666 \| good	14.143 \| good	0.24 \| good
2025-10-21T13:00:00.000Z	19 \| good	3.478 \| good	13.566 \| good	17.129 \| good	1.046 \| good	19.833 \| good	0.314 \| good
2025-10-21T14:00:00.000Z	46 \| good	6.449 \| good	50.484 \| good	26.645 \| good	0.961 \| good	23.755 \| good	0.479 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.473 \| good	36.856 \| good	28.58 \| good	1.305 \| good	24.347 \| good	0.47 \| good
2025-10-21T16:00:00.000Z	44 \| good	8.203 \| good	46.785 \| good	29.816 \| good	1.085 \| good	20.903 \| good	0.322 \| good
2025-10-21T17:00:00.000Z	38 \| good	6.583 \| good	38.827 \| good	31.867 \| good	0.918 \| good	16.574 \| good	0.242 \| good
2025-10-21T18:00:00.000Z	38 \| good	7.312 \| good	40.249 \| good	39.626 \| good	0.875 \| good	12.312 \| good	0.192 \| good
2025-10-21T19:00:00.000Z	41 \| good	5.383 \| good	39.092 \| good	43.989 \| good	0.661 \| good	10.684 \| good	0.167 \| good
2025-10-21T20:00:00.000Z	42 \| good	4.935 \| good	43.356 \| good	45.08 \| good	0.945 \| good	8.318 \| good	0.193 \| good
2025-10-21T21:00:00.000Z	43 \| good	5.742 \| good	30.814 \| good	45.69 \| good	0.725 \| good	6.381 \| good	0.217 \| good
2025-10-21T22:00:00.000Z	43 \| good	5.078 \| good	31.176 \| good	46.012 \| good	0.676 \| good	8.238 \| good	0.19 \| good
2025-10-21T23:00:00.000Z	45 \| good	3.524 \| good	18.513 \| good	48.546 \| good	0.59 \| good	10.736 \| good	0.19 \| good
2025-10-22T00:00:00.000Z	44 \| good	3.392 \| good	27.34 \| good	48.134 \| good	0.719 \| good	14.609 \| good	0.233 \| good
2025-10-22T01:00:00.000Z	41 \| good	4.11 \| good	30.584 \| good	43.617 \| good	0.639 \| good	34.725 \| good	0.482 \| good
2025-10-22T02:00:00.000Z	38 \| good	4.782 \| good	29.062 \| good	41.166 \| good	0.757 \| good	28.218 \| good	0.479 \| good
2025-10-22T03:00:00.000Z	44 \| good	8.067 \| good	35.105 \| good	17.175 \| good	0.881 \| good	16.601 \| good	0.215 \| good
2025-10-22T04:00:00.000Z	42 \| good	5.087 \| good	44.552 \| good	20.342 \| good	0.439 \| good	24.773 \| good	0.296 \| good
2025-10-22T05:00:00.000Z	31 \| good	5.418 \| good	32.861 \| good	17.562 \| good	0.406 \| good	26.586 \| good	0.256 \| good
2025-10-22T06:00:00.000Z	27 \| good	4.7 \| good	23.232 \| good	16.061 \| good	0.379 \| good	16.858 \| good	0.292 \| good
2025-10-22T07:00:00.000Z	27 \| good	5.106 \| good	29.043 \| good	24.448 \| good	0.547 \| good	17.091 \| good	0.214 \| good
2025-10-22T08:00:00.000Z	38 \| good	5.609 \| good	40.605 \| good	23.855 \| good	0.663 \| good	20.73 \| good	0.239 \| good
2025-10-22T09:00:00.000Z	28 \| good	5.379 \| good	29.985 \| good	18.616 \| good	0.478 \| good	28.311 \| good	0.242 \| good
2025-10-22T09:00:00.000Z	38 \| good	5.609 \| good	40.605 \| good	23.855 \| good	0.663 \| good	20.73 \| good	0.239 \| good
2025-10-22T10:00:00.000Z	33 \| good	5.549 \| good	24.162 \| good	12.152 \| good	0.634 \| good	17.626 \| good	0.234 \| good
2025-10-22T11:00:00.000Z	27 \| good	4.646 \| good	19.878 \| good	10.788 \| good	0.58 \| good	16.822 \| good	0.226 \| good
2025-10-22T12:00:00.000Z	27 \| good	4.616 \| good	19.93 \| good	8.549 \| good	0.526 \| good	16.018 \| good	0.218 \| good
2025-10-22T13:00:00.000Z	27 \| good	5.218 \| good	22.579 \| good	7.22 \| good	0.586 \| good	14.906 \| good	0.242 \| good
2025-10-22T14:00:00.000Z	44 \| good	7.827 \| good	34.61 \| good	12.715 \| good	0.647 \| good	13.794 \| good	0.266 \| good
2025-10-22T15:00:00.000Z	49 \| good	9.128 \| good	40.461 \| good	21.158 \| good	0.708 \| good	12.682 \| good	0.289 \| good
2025-10-22T16:00:00.000Z	49 \| good	9.276 \| good	41.143 \| good	26.995 \| good	0.871 \| good	10.257 \| good	0.243 \| good
2025-10-22T17:00:00.000Z	44 \| good	7.686 \| good	33.581 \| good	34.413 \| good	1.034 \| good	7.832 \| good	0.197 \| good
2025-10-22T18:00:00.000Z	38 \| good	7.313 \| good	32.221 \| good	39.456 \| good	1.198 \| good	5.407 \| good	0.151 \| good
2025-10-22T19:00:00.000Z	40 \| good	6.223 \| good	27.293 \| good	42.978 \| good	1.1 \| good	4.748 \| good	0.144 \| good
2025-10-22T20:00:00.000Z	43 \| good	4.96 \| good	21.514 \| good	45.669 \| good	1.003 \| good	4.089 \| good	0.136 \| good
2025-10-22T21:00:00.000Z	44 \| good	3.827 \| good	16.442 \| good	47.233 \| good	0.905 \| good	3.429 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	44 \| good	4.451 \| good	19.254 \| good	48.281 \| good	0.822 \| good	4.811 \| good	0.139 \| good
2025-10-22T23:00:00.000Z	41 \| good	5.226 \| good	22.689 \| good	43.599 \| good	0.739 \| good	6.193 \| good	0.149 \| good
2025-10-23T00:00:00.000Z	33 \| good	5.169 \| good	22.513 \| good	36.17 \| good	0.657 \| good	7.574 \| good	0.159 \| good
2025-10-23T01:00:00.000Z	38 \| good	6.544 \| good	28.761 \| good	30.204 \| good	0.813 \| good	11.793 \| good	0.195 \| good
2025-10-23T02:00:00.000Z	49 \| good	9.324 \| good	41.468 \| good	22.141 \| good	0.968 \| good	16.013 \| good	0.231 \| good
2025-10-23T03:00:00.000Z	49 \| good	9.008 \| good	39.363 \| good	14.958 \| good	1.124 \| good	20.232 \| good	0.267 \| good
2025-10-23T04:00:00.000Z	56 \| moderate	11.963 \| good	53.423 \| good	10.052 \| good	1.132 \| good	20.275 \| good	0.28 \| good
2025-10-23T05:00:00.000Z	58 \| moderate	12.709 \| fine	57.233 \| fine	8.684 \| good	1.141 \| good	20.318 \| good	0.293 \| good
2025-10-23T06:00:00.000Z	58 \| moderate	13.377 \| fine	60.437 \| fine	8.134 \| good	1.149 \| good	20.361 \| good	0.306 \| good
2025-10-23T07:00:00.000Z	58 \| moderate	13.316 \| fine	59.911 \| fine	8.562 \| good	0.999 \| good	19.161 \| good	0.295 \| good
2025-10-23T08:00:00.000Z	54 \| moderate	11.206 \| good	50.019 \| good	10.141 \| good	0.849 \| good	17.961 \| good	0.285 \| good
2025-10-23T09:00:00.000Z	44 \| good	7.965 \| good	34.899 \| good	11.8 \| good	0.699 \| good	16.761 \| good	0.274 \| good
2025-10-23T10:00:00.000Z	44 \| good	7.707 \| good	34.007 \| good	12.713 \| good	0.648 \| good	15.619 \| good	0.259 \| good
2025-10-23T11:00:00.000Z	38 \| good	6.941 \| good	30.717 \| good	11.626 \| good	0.597 \| good	14.478 \| good	0.244 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.154 \| good	27.136 \| good	11.84 \| good	0.546 \| good	13.337 \| good	0.229 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.299 \| good	32.284 \| good	9.337 \| good	0.599 \| good	12.575 \| good	0.254 \| good
2025-10-23T14:00:00.000Z	49 \| good	9.026 \| good	39.76 \| good	12.138 \| good	0.652 \| good	11.812 \| good	0.279 \| good
2025-10-23T15:00:00.000Z	49 \| good	8.881 \| good	39.038 \| good	22.479 \| good	0.705 \| good	11.05 \| good	0.304 \| good
2025-10-23T16:00:00.000Z	38 \| good	7.267 \| good	31.888 \| good	28.766 \| good	0.935 \| good	10.011 \| good	0.266 \| good
2025-10-23T17:00:00.000Z	44 \| good	7.579 \| good	33.416 \| good	34.202 \| good	1.166 \| good	8.973 \| good	0.229 \| good
2025-10-23T18:00:00.000Z	44 \| good	8.245 \| good	36.182 \| good	38.444 \| good	1.397 \| good	7.934 \| good	0.192 \| good
2025-10-23T19:00:00.000Z	39 \| good	7.115 \| good	31.659 \| good	41.86 \| good	1.341 \| good	7.373 \| good	0.18 \| good
2025-10-23T20:00:00.000Z	44 \| good	7.555 \| good	33.573 \| good	45.966 \| good	1.286 \| good	6.813 \| good	0.169 \| good
2025-10-23T21:00:00.000Z	44 \| good	7.12 \| good	31.72 \| good	47.812 \| good	1.231 \| good	6.252 \| good	0.157 \| good
2025-10-23T22:00:00.000Z	45 \| good	5.391 \| good	23.352 \| good	48.747 \| good	1.141 \| good	7.701 \| good	0.166 \| good
2025-10-23T23:00:00.000Z	42 \| good	4.804 \| good	20.967 \| good	44.889 \| good	1.051 \| good	9.15 \| good	0.175 \| good
2025-10-24T00:00:00.000Z	33 \| good	4.77 \| good	20.554 \| good	36.466 \| good	0.961 \| good	10.599 \| good	0.184 \| good
2025-10-24T01:00:00.000Z	33 \| good	6.14 \| good	27.316 \| good	27.507 \| good	0.953 \| good	12.917 \| good	0.204 \| good
2025-10-24T02:00:00.000Z	44 \| good	7.976 \| good	35.048 \| good	23.284 \| good	0.946 \| good	15.236 \| good	0.225 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.362 \| good	32.585 \| good	23.266 \| good	0.939 \| good	17.555 \| good	0.246 \| good
2025-10-24T04:00:00.000Z	44 \| good	7.596 \| good	33.618 \| good	21.881 \| good	0.88 \| good	17.206 \| good	0.245 \| good
2025-10-24T05:00:00.000Z	44 \| good	7.696 \| good	33.684 \| good	21.842 \| good	0.822 \| good	16.858 \| good	0.245 \| good
2025-10-24T06:00:00.000Z	49 \| good	8.833 \| good	9.197 \| good	17.329 \| good	0.759 \| good	16.341 \| good	0.244 \| good
2025-10-24T07:00:00.000Z	44 \| good	8.078 \| good	35.523 \| good	15.898 \| good	0.715 \| good	15.647 \| good	0.234 \| good
2025-10-24T08:00:00.000Z	44 \| good	7.997 \| good	34.885 \| good	16.11 \| good	0.666 \| good	14.784 \| good	0.223 \| good
2025-10-24T09:00:00.000Z	33 \| good	6.436 \| good	28.409 \| good	16.99 \| good	0.616 \| good	13.922 \| good	0.212 \| 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

Firestone, Colorado

Erie, Colorado

Longmont, Colorado

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Gunbarrel, Colorado

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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