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

The PM10 concentration in Frederick, Colorado is 27.677 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 0.813 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 50.494 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 7.889 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)

7.84 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.93 μg/m³

155

255

425

605+

Ozone (O₃)

49.96 ppb

201

201+

Sulfur Dioxide (SO₂)

0.78 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.67 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-08-10T22:00:00.000Z	49 \| good	8.521 \| good	23.406 \| good	50.459 \| good	0.654 \| good	6.411 \| good	0.147 \| good
2025-08-10T23:00:00.000Z	49 \| good	8.939 \| good	25.484 \| good	52.962 \| good	0.57 \| good	3.959 \| good	0.15 \| good
2025-08-11T00:00:00.000Z	49 \| good	9.333 \| good	27.617 \| good	49.115 \| good	0.814 \| good	5.976 \| good	0.19 \| good
2025-08-11T01:00:00.000Z	54 \| moderate	10.853 \| good	39.678 \| good	49.621 \| good	0.595 \| good	4.985 \| good	0.167 \| good
2025-08-11T02:00:00.000Z	40 \| good	6.959 \| good	20.503 \| good	43.268 \| good	0.609 \| good	7.514 \| good	0.215 \| good
2025-08-11T03:00:00.000Z	41 \| good	3.292 \| good	14.273 \| good	43.656 \| good	0.554 \| good	6.171 \| good	0.166 \| good
2025-08-11T04:00:00.000Z	41 \| good	7.107 \| good	17.871 \| good	44.065 \| good	0.597 \| good	7.737 \| good	0.239 \| good
2025-08-11T05:00:00.000Z	39 \| good	6.874 \| good	15.319 \| good	41.622 \| good	0.562 \| good	7.251 \| good	0.167 \| good
2025-08-11T06:00:00.000Z	44 \| good	7.774 \| good	13.459 \| good	37.636 \| good	0.552 \| good	6.108 \| good	0.167 \| good
2025-08-11T07:00:00.000Z	33 \| good	6.457 \| good	15.677 \| good	33.155 \| good	0.502 \| good	9.532 \| good	0.19 \| good
2025-08-11T08:00:00.000Z	33 \| good	6.273 \| good	16.928 \| good	23.704 \| good	0.577 \| good	8.367 \| good	0.192 \| good
2025-08-11T09:00:00.000Z	49 \| good	8.614 \| good	17.703 \| good	29.204 \| good	0.607 \| good	9.451 \| good	0.192 \| good
2025-08-11T10:00:00.000Z	49 \| good	9.035 \| good	22.877 \| good	33.669 \| good	0.633 \| good	8.374 \| good	0.192 \| good
2025-08-11T11:00:00.000Z	62 \| moderate	15.022 \| fine	47.665 \| good	30.125 \| good	0.78 \| good	10.56 \| good	0.192 \| good
2025-08-11T12:00:00.000Z	49 \| good	9.476 \| good	27.083 \| good	25.355 \| good	0.682 \| good	13.272 \| good	0.239 \| good
2025-08-11T13:00:00.000Z	54 \| moderate	11.173 \| good	36.346 \| good	13.944 \| good	0.606 \| good	15.334 \| good	0.34 \| good
2025-08-11T14:00:00.000Z	56 \| moderate	11.949 \| good	35.987 \| good	27.87 \| good	0.826 \| good	13.394 \| good	0.339 \| good
2025-08-11T15:00:00.000Z	54 \| moderate	11.147 \| good	52.723 \| good	30.294 \| good	1.147 \| good	13.881 \| good	0.289 \| good
2025-08-11T16:00:00.000Z	54 \| moderate	11.061 \| good	44.876 \| good	34.45 \| good	0.853 \| good	13.862 \| good	0.289 \| good
2025-08-11T17:00:00.000Z	54 \| moderate	11.497 \| good	49.852 \| good	35.245 \| good	0.819 \| good	11.339 \| good	0.265 \| good
2025-08-11T18:00:00.000Z	38 \| good	7.198 \| good	21.076 \| good	40.923 \| good	0.852 \| good	8.427 \| good	0.242 \| good
2025-08-11T19:00:00.000Z	49 \| good	8.942 \| good	22.765 \| good	44.876 \| good	0.987 \| good	6.556 \| good	0.173 \| good
2025-08-11T20:00:00.000Z	43 \| good	5.09 \| good	15.527 \| good	45.568 \| good	0.753 \| good	5.736 \| good	0.172 \| good
2025-08-11T21:00:00.000Z	46 \| good	5.069 \| good	11.861 \| good	50.277 \| good	0.714 \| good	4.248 \| good	0.147 \| good
2025-08-11T22:00:00.000Z	48 \| good	4.902 \| good	13.582 \| good	52.334 \| good	0.711 \| good	4.093 \| good	0.147 \| good
2025-08-11T23:00:00.000Z	48 \| good	5.548 \| good	17.628 \| good	51.967 \| good	0.685 \| good	6.573 \| good	0.147 \| good
2025-08-12T00:00:00.000Z	45 \| good	5.04 \| good	17.289 \| good	48.699 \| good	0.68 \| good	6.643 \| good	0.147 \| good
2025-08-12T01:00:00.000Z	47 \| good	4.76 \| good	18.785 \| good	50.686 \| good	0.651 \| good	4.635 \| good	0.141 \| good
2025-08-12T02:00:00.000Z	44 \| good	5.166 \| good	20.656 \| good	47.257 \| good	0.625 \| good	4.317 \| good	0.141 \| good
2025-08-12T03:00:00.000Z	39 \| good	4.562 \| good	17.479 \| good	41.621 \| good	0.655 \| good	7.381 \| good	0.171 \| good
2025-08-12T04:00:00.000Z	29 \| good	5.489 \| good	20.409 \| good	30.805 \| good	0.571 \| good	12.975 \| good	0.198 \| good
2025-08-12T05:00:00.000Z	29 \| good	5.331 \| good	18.428 \| good	31.373 \| good	0.57 \| good	13.876 \| good	0.254 \| good
2025-08-12T06:00:00.000Z	27 \| good	4.762 \| good	18.927 \| good	28.049 \| good	0.741 \| good	21.762 \| good	0.267 \| good
2025-08-12T07:00:00.000Z	44 \| good	7.502 \| good	33.285 \| good	28.452 \| good	0.814 \| good	27.604 \| good	0.22 \| good
2025-08-12T08:00:00.000Z	44 \| good	7.853 \| good	36.546 \| good	28.984 \| good	0.853 \| good	13.379 \| good	0.204 \| good
2025-08-12T09:00:00.000Z	38 \| good	6.533 \| good	23.427 \| good	21.914 \| good	0.669 \| good	21.276 \| good	0.207 \| good
2025-08-12T10:00:00.000Z	44 \| good	7.837 \| good	27.985 \| good	18.626 \| good	0.802 \| good	17.015 \| good	0.18 \| good
2025-08-12T11:00:00.000Z	25 \| good	4.085 \| good	26.636 \| good	17.582 \| good	0.871 \| good	24.251 \| good	0.197 \| good
2025-08-12T12:00:00.000Z	33 \| good	5.866 \| good	19.741 \| good	18.537 \| good	0.81 \| good	28.753 \| good	0.271 \| good
2025-08-12T13:00:00.000Z	38 \| good	7.483 \| good	32.504 \| good	21.108 \| good	0.813 \| good	30.084 \| good	0.365 \| good
2025-08-12T14:00:00.000Z	33 \| good	6.136 \| good	20.443 \| good	29.899 \| good	0.824 \| good	21.249 \| good	0.341 \| good
2025-08-12T15:00:00.000Z	38 \| good	7.258 \| good	27.146 \| good	32.326 \| good	0.788 \| good	9.371 \| good	0.24 \| good
2025-08-12T16:00:00.000Z	44 \| good	8.039 \| good	30.897 \| good	34.912 \| good	0.721 \| good	8.526 \| good	0.2 \| good
2025-08-12T17:00:00.000Z	36 \| good	5.993 \| good	20.343 \| good	38.767 \| good	0.628 \| good	8.902 \| good	0.173 \| good
2025-08-12T18:00:00.000Z	41 \| good	7.495 \| good	26.507 \| good	43.572 \| good	0.741 \| good	6.561 \| good	0.173 \| good
2025-08-12T19:00:00.000Z	49 \| good	9.245 \| good	30.554 \| good	45.573 \| good	0.951 \| good	7.475 \| good	0.173 \| good
2025-08-12T20:00:00.000Z	46 \| good	7.843 \| good	29.927 \| good	49.958 \| good	0.781 \| good	5.668 \| good	0.15 \| good
2025-08-12T21:00:00.000Z	46 \| good	7.843 \| good	29.927 \| good	49.958 \| good	0.781 \| good	5.668 \| good	0.15 \| good
2025-08-09T20:00:00.000Z	64 \| moderate	4.912 \| good	21.279 \| good	58.601 \| fine	0.611 \| good	1.455 \| good	0.125 \| good
2025-08-09T21:00:00.000Z	61 \| moderate	4.891 \| good	21.202 \| good	57.905 \| fine	0.623 \| good	1.512 \| good	0.124 \| good
2025-08-09T22:00:00.000Z	54 \| moderate	8.189 \| good	35.818 \| good	55.747 \| fine	0.612 \| good	1.842 \| good	0.126 \| good
2025-08-09T23:00:00.000Z	54 \| moderate	10.201 \| good	45.08 \| good	55.537 \| fine	0.601 \| good	2.171 \| good	0.128 \| good
2025-08-10T00:00:00.000Z	49 \| good	7.446 \| good	32.743 \| good	53.117 \| good	0.59 \| good	2.501 \| good	0.13 \| good
2025-08-10T01:00:00.000Z	39 \| good	2.101 \| good	8.786 \| good	42.058 \| good	0.674 \| good	3.834 \| good	0.141 \| good
2025-08-10T02:00:00.000Z	35 \| good	1.462 \| good	5.848 \| good	37.607 \| good	0.759 \| good	5.168 \| good	0.153 \| good
2025-08-10T03:00:00.000Z	32 \| good	1.879 \| good	7.658 \| good	34.93 \| good	0.843 \| good	6.501 \| good	0.164 \| good
2025-08-10T04:00:00.000Z	28 \| good	1.963 \| good	8.066 \| good	30.086 \| good	0.755 \| good	6.13 \| good	0.16 \| good
2025-08-10T05:00:00.000Z	27 \| good	3.787 \| good	16.289 \| good	29.283 \| good	0.666 \| good	5.759 \| good	0.157 \| good
2025-08-10T06:00:00.000Z	33 \| good	5.532 \| good	24.481 \| good	26.979 \| good	0.578 \| good	5.388 \| good	0.153 \| good
2025-08-10T07:00:00.000Z	38 \| good	7.088 \| good	31.106 \| good	23.625 \| good	0.552 \| good	4.686 \| good	0.146 \| good
2025-08-10T08:00:00.000Z	52 \| moderate	9.573 \| good	42.72 \| good	21.22 \| good	0.526 \| good	3.984 \| good	0.139 \| good
2025-08-10T09:00:00.000Z	49 \| good	9.365 \| good	41.688 \| good	21.797 \| good	0.5 \| good	3.283 \| good	0.132 \| good
2025-08-10T10:00:00.000Z	44 \| good	7.861 \| good	34.436 \| good	23.076 \| good	0.569 \| good	3.406 \| good	0.132 \| good
2025-08-10T11:00:00.000Z	54 \| moderate	11.153 \| good	49.444 \| good	18.204 \| good	0.638 \| good	3.529 \| good	0.133 \| good
2025-08-10T12:00:00.000Z	54 \| moderate	10.651 \| good	47.147 \| good	18.611 \| good	0.706 \| good	3.652 \| good	0.134 \| good
2025-08-10T13:00:00.000Z	54 \| moderate	11.319 \| good	50.037 \| good	24.07 \| good	0.772 \| good	3.51 \| good	0.136 \| good
2025-08-10T14:00:00.000Z	52 \| moderate	10.234 \| good	45.499 \| good	33.775 \| good	0.837 \| good	3.368 \| good	0.137 \| good
2025-08-10T15:00:00.000Z	56 \| moderate	11.749 \| good	52.562 \| good	40.449 \| good	0.903 \| good	3.226 \| good	0.139 \| good
2025-08-10T16:00:00.000Z	52 \| moderate	10.003 \| good	44.13 \| good	47.101 \| good	0.808 \| good	2.804 \| good	0.137 \| good
2025-08-10T17:00:00.000Z	54 \| moderate	10.668 \| good	47.08 \| good	53.691 \| good	0.712 \| good	2.381 \| good	0.135 \| good
2025-08-10T18:00:00.000Z	61 \| moderate	7.284 \| good	32.166 \| good	57.711 \| fine	0.617 \| good	1.959 \| good	0.133 \| good
2025-08-10T19:00:00.000Z	58 \| moderate	5.458 \| good	23.657 \| good	57.356 \| fine	0.561 \| good	2.118 \| good	0.132 \| good
2025-08-10T20:00:00.000Z	54 \| moderate	5.95 \| good	26.263 \| good	56.422 \| fine	0.505 \| good	2.277 \| good	0.131 \| good
2025-08-10T21:00:00.000Z	54 \| moderate	6.771 \| good	29.905 \| good	56.353 \| fine	0.449 \| good	2.436 \| good	0.13 \| good
2025-08-10T22:00:00.000Z	54 \| moderate	10.003 \| good	44.174 \| good	56.468 \| fine	0.434 \| good	2.813 \| good	0.132 \| good
2025-08-10T23:00:00.000Z	51 \| moderate	8.647 \| good	37.954 \| good	55.391 \| fine	0.419 \| good	3.191 \| good	0.133 \| good
2025-08-11T00:00:00.000Z	49 \| good	4.158 \| good	18.312 \| good	52.764 \| good	0.405 \| good	3.568 \| good	0.134 \| good
2025-08-11T01:00:00.000Z	45 \| good	1.359 \| good	5.541 \| good	48.756 \| good	0.449 \| good	4.632 \| good	0.141 \| good
2025-08-11T02:00:00.000Z	42 \| good	2.218 \| good	9.102 \| good	45.173 \| good	0.492 \| good	5.696 \| good	0.148 \| good
2025-08-11T03:00:00.000Z	39 \| good	2.448 \| good	10.286 \| good	41.765 \| good	0.536 \| good	6.76 \| good	0.155 \| good
2025-08-11T04:00:00.000Z	33 \| good	0.998 \| good	4.023 \| good	36.435 \| good	0.607 \| good	7.97 \| good	0.165 \| good
2025-08-11T05:00:00.000Z	31 \| good	2.081 \| good	8.448 \| good	32.58 \| good	0.678 \| good	9.18 \| good	0.175 \| good
2025-08-11T06:00:00.000Z	29 \| good	2.061 \| good	8.286 \| good	30.84 \| good	0.749 \| good	10.39 \| good	0.185 \| good
2025-08-11T07:00:00.000Z	27 \| good	5.465 \| good	23.742 \| good	27.55 \| good	0.765 \| good	11.817 \| good	0.195 \| good
2025-08-11T08:00:00.000Z	49 \| good	8.577 \| good	37.462 \| good	26.794 \| good	0.781 \| good	13.245 \| good	0.206 \| good
2025-08-11T09:00:00.000Z	52 \| moderate	9.772 \| good	43.4 \| good	26.204 \| good	0.798 \| good	14.672 \| good	0.216 \| good
2025-08-11T10:00:00.000Z	54 \| moderate	10.817 \| good	47.852 \| good	24.517 \| good	0.797 \| good	14.333 \| good	0.212 \| good
2025-08-11T11:00:00.000Z	56 \| moderate	11.511 \| good	50.888 \| good	22.49 \| good	0.797 \| good	13.993 \| good	0.208 \| good
2025-08-11T12:00:00.000Z	62 \| moderate	14.911 \| fine	66.381 \| fine	18.985 \| good	0.796 \| good	13.654 \| good	0.204 \| good
2025-08-11T13:00:00.000Z	66 \| moderate	16.84 \| fine	74.879 \| fine	22.908 \| good	0.974 \| good	10.851 \| good	0.19 \| good
2025-08-11T14:00:00.000Z	67 \| moderate	18.287 \| fine	80.785 \| fine	30.324 \| good	1.153 \| good	8.048 \| good	0.175 \| good
2025-08-11T15:00:00.000Z	77 \| moderate	22.564 \| fine	99.149 \| fine	37.941 \| good	1.332 \| good	5.245 \| good	0.16 \| good
2025-08-11T16:00:00.000Z	75 \| moderate	22.467 \| fine	98.52 \| fine	49.783 \| good	1.224 \| good	4.21 \| good	0.155 \| good
2025-08-11T17:00:00.000Z	74 \| moderate	19.516 \| fine	85.862 \| fine	61.567 \| fine	1.116 \| good	3.176 \| good	0.149 \| good
2025-08-11T18:00:00.000Z	74 \| moderate	10.607 \| good	46.884 \| good	61.954 \| fine	1.008 \| good	2.142 \| good	0.143 \| good
2025-08-11T19:00:00.000Z	64 \| moderate	5.507 \| good	23.835 \| good	59.04 \| fine	0.845 \| good	1.75 \| good	0.136 \| good

Frederick

Get reliable air quality data to drive your business

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

0.26ppm

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 11:00:00 on 2025-08-08.

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 2025-08-09.

What is the AQI in Frederick, Colorado right now?

As of now, the AQI in Frederick, Colorado is 52, indicating Moderate conditions.

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

Frederick, Colorado air has the highest levels of PM2.5.

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 9.721 μg/m³.

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

The PM₁₀ concentration in Frederick, Colorado is 27.677 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 0.237 ppm.

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

Currently, Frederick, Colorado has a sulfur dioxide (SO₂) concentration of 0.813 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 50.494 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 7.889 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-08-10T22:00:00.000Z	49 \| good	8.521 \| good	23.406 \| good	50.459 \| good	0.654 \| good	6.411 \| good	0.147 \| good
2025-08-10T23:00:00.000Z	49 \| good	8.939 \| good	25.484 \| good	52.962 \| good	0.57 \| good	3.959 \| good	0.15 \| good
2025-08-11T00:00:00.000Z	49 \| good	9.333 \| good	27.617 \| good	49.115 \| good	0.814 \| good	5.976 \| good	0.19 \| good
2025-08-11T01:00:00.000Z	54 \| moderate	10.853 \| good	39.678 \| good	49.621 \| good	0.595 \| good	4.985 \| good	0.167 \| good
2025-08-11T02:00:00.000Z	40 \| good	6.959 \| good	20.503 \| good	43.268 \| good	0.609 \| good	7.514 \| good	0.215 \| good
2025-08-11T03:00:00.000Z	41 \| good	3.292 \| good	14.273 \| good	43.656 \| good	0.554 \| good	6.171 \| good	0.166 \| good
2025-08-11T04:00:00.000Z	41 \| good	7.107 \| good	17.871 \| good	44.065 \| good	0.597 \| good	7.737 \| good	0.239 \| good
2025-08-11T05:00:00.000Z	39 \| good	6.874 \| good	15.319 \| good	41.622 \| good	0.562 \| good	7.251 \| good	0.167 \| good
2025-08-11T06:00:00.000Z	44 \| good	7.774 \| good	13.459 \| good	37.636 \| good	0.552 \| good	6.108 \| good	0.167 \| good
2025-08-11T07:00:00.000Z	33 \| good	6.457 \| good	15.677 \| good	33.155 \| good	0.502 \| good	9.532 \| good	0.19 \| good
2025-08-11T08:00:00.000Z	33 \| good	6.273 \| good	16.928 \| good	23.704 \| good	0.577 \| good	8.367 \| good	0.192 \| good
2025-08-11T09:00:00.000Z	49 \| good	8.614 \| good	17.703 \| good	29.204 \| good	0.607 \| good	9.451 \| good	0.192 \| good
2025-08-11T10:00:00.000Z	49 \| good	9.035 \| good	22.877 \| good	33.669 \| good	0.633 \| good	8.374 \| good	0.192 \| good
2025-08-11T11:00:00.000Z	62 \| moderate	15.022 \| fine	47.665 \| good	30.125 \| good	0.78 \| good	10.56 \| good	0.192 \| good
2025-08-11T12:00:00.000Z	49 \| good	9.476 \| good	27.083 \| good	25.355 \| good	0.682 \| good	13.272 \| good	0.239 \| good
2025-08-11T13:00:00.000Z	54 \| moderate	11.173 \| good	36.346 \| good	13.944 \| good	0.606 \| good	15.334 \| good	0.34 \| good
2025-08-11T14:00:00.000Z	56 \| moderate	11.949 \| good	35.987 \| good	27.87 \| good	0.826 \| good	13.394 \| good	0.339 \| good
2025-08-11T15:00:00.000Z	54 \| moderate	11.147 \| good	52.723 \| good	30.294 \| good	1.147 \| good	13.881 \| good	0.289 \| good
2025-08-11T16:00:00.000Z	54 \| moderate	11.061 \| good	44.876 \| good	34.45 \| good	0.853 \| good	13.862 \| good	0.289 \| good
2025-08-11T17:00:00.000Z	54 \| moderate	11.497 \| good	49.852 \| good	35.245 \| good	0.819 \| good	11.339 \| good	0.265 \| good
2025-08-11T18:00:00.000Z	38 \| good	7.198 \| good	21.076 \| good	40.923 \| good	0.852 \| good	8.427 \| good	0.242 \| good
2025-08-11T19:00:00.000Z	49 \| good	8.942 \| good	22.765 \| good	44.876 \| good	0.987 \| good	6.556 \| good	0.173 \| good
2025-08-11T20:00:00.000Z	43 \| good	5.09 \| good	15.527 \| good	45.568 \| good	0.753 \| good	5.736 \| good	0.172 \| good
2025-08-11T21:00:00.000Z	46 \| good	5.069 \| good	11.861 \| good	50.277 \| good	0.714 \| good	4.248 \| good	0.147 \| good
2025-08-11T22:00:00.000Z	48 \| good	4.902 \| good	13.582 \| good	52.334 \| good	0.711 \| good	4.093 \| good	0.147 \| good
2025-08-11T23:00:00.000Z	48 \| good	5.548 \| good	17.628 \| good	51.967 \| good	0.685 \| good	6.573 \| good	0.147 \| good
2025-08-12T00:00:00.000Z	45 \| good	5.04 \| good	17.289 \| good	48.699 \| good	0.68 \| good	6.643 \| good	0.147 \| good
2025-08-12T01:00:00.000Z	47 \| good	4.76 \| good	18.785 \| good	50.686 \| good	0.651 \| good	4.635 \| good	0.141 \| good
2025-08-12T02:00:00.000Z	44 \| good	5.166 \| good	20.656 \| good	47.257 \| good	0.625 \| good	4.317 \| good	0.141 \| good
2025-08-12T03:00:00.000Z	39 \| good	4.562 \| good	17.479 \| good	41.621 \| good	0.655 \| good	7.381 \| good	0.171 \| good
2025-08-12T04:00:00.000Z	29 \| good	5.489 \| good	20.409 \| good	30.805 \| good	0.571 \| good	12.975 \| good	0.198 \| good
2025-08-12T05:00:00.000Z	29 \| good	5.331 \| good	18.428 \| good	31.373 \| good	0.57 \| good	13.876 \| good	0.254 \| good
2025-08-12T06:00:00.000Z	27 \| good	4.762 \| good	18.927 \| good	28.049 \| good	0.741 \| good	21.762 \| good	0.267 \| good
2025-08-12T07:00:00.000Z	44 \| good	7.502 \| good	33.285 \| good	28.452 \| good	0.814 \| good	27.604 \| good	0.22 \| good
2025-08-12T08:00:00.000Z	44 \| good	7.853 \| good	36.546 \| good	28.984 \| good	0.853 \| good	13.379 \| good	0.204 \| good
2025-08-12T09:00:00.000Z	38 \| good	6.533 \| good	23.427 \| good	21.914 \| good	0.669 \| good	21.276 \| good	0.207 \| good
2025-08-12T10:00:00.000Z	44 \| good	7.837 \| good	27.985 \| good	18.626 \| good	0.802 \| good	17.015 \| good	0.18 \| good
2025-08-12T11:00:00.000Z	25 \| good	4.085 \| good	26.636 \| good	17.582 \| good	0.871 \| good	24.251 \| good	0.197 \| good
2025-08-12T12:00:00.000Z	33 \| good	5.866 \| good	19.741 \| good	18.537 \| good	0.81 \| good	28.753 \| good	0.271 \| good
2025-08-12T13:00:00.000Z	38 \| good	7.483 \| good	32.504 \| good	21.108 \| good	0.813 \| good	30.084 \| good	0.365 \| good
2025-08-12T14:00:00.000Z	33 \| good	6.136 \| good	20.443 \| good	29.899 \| good	0.824 \| good	21.249 \| good	0.341 \| good
2025-08-12T15:00:00.000Z	38 \| good	7.258 \| good	27.146 \| good	32.326 \| good	0.788 \| good	9.371 \| good	0.24 \| good
2025-08-12T16:00:00.000Z	44 \| good	8.039 \| good	30.897 \| good	34.912 \| good	0.721 \| good	8.526 \| good	0.2 \| good
2025-08-12T17:00:00.000Z	36 \| good	5.993 \| good	20.343 \| good	38.767 \| good	0.628 \| good	8.902 \| good	0.173 \| good
2025-08-12T18:00:00.000Z	41 \| good	7.495 \| good	26.507 \| good	43.572 \| good	0.741 \| good	6.561 \| good	0.173 \| good
2025-08-12T19:00:00.000Z	49 \| good	9.245 \| good	30.554 \| good	45.573 \| good	0.951 \| good	7.475 \| good	0.173 \| good
2025-08-12T20:00:00.000Z	46 \| good	7.843 \| good	29.927 \| good	49.958 \| good	0.781 \| good	5.668 \| good	0.15 \| good
2025-08-12T21:00:00.000Z	46 \| good	7.843 \| good	29.927 \| good	49.958 \| good	0.781 \| good	5.668 \| good	0.15 \| good
2025-08-09T20:00:00.000Z	64 \| moderate	4.912 \| good	21.279 \| good	58.601 \| fine	0.611 \| good	1.455 \| good	0.125 \| good
2025-08-09T21:00:00.000Z	61 \| moderate	4.891 \| good	21.202 \| good	57.905 \| fine	0.623 \| good	1.512 \| good	0.124 \| good
2025-08-09T22:00:00.000Z	54 \| moderate	8.189 \| good	35.818 \| good	55.747 \| fine	0.612 \| good	1.842 \| good	0.126 \| good
2025-08-09T23:00:00.000Z	54 \| moderate	10.201 \| good	45.08 \| good	55.537 \| fine	0.601 \| good	2.171 \| good	0.128 \| good
2025-08-10T00:00:00.000Z	49 \| good	7.446 \| good	32.743 \| good	53.117 \| good	0.59 \| good	2.501 \| good	0.13 \| good
2025-08-10T01:00:00.000Z	39 \| good	2.101 \| good	8.786 \| good	42.058 \| good	0.674 \| good	3.834 \| good	0.141 \| good
2025-08-10T02:00:00.000Z	35 \| good	1.462 \| good	5.848 \| good	37.607 \| good	0.759 \| good	5.168 \| good	0.153 \| good
2025-08-10T03:00:00.000Z	32 \| good	1.879 \| good	7.658 \| good	34.93 \| good	0.843 \| good	6.501 \| good	0.164 \| good
2025-08-10T04:00:00.000Z	28 \| good	1.963 \| good	8.066 \| good	30.086 \| good	0.755 \| good	6.13 \| good	0.16 \| good
2025-08-10T05:00:00.000Z	27 \| good	3.787 \| good	16.289 \| good	29.283 \| good	0.666 \| good	5.759 \| good	0.157 \| good
2025-08-10T06:00:00.000Z	33 \| good	5.532 \| good	24.481 \| good	26.979 \| good	0.578 \| good	5.388 \| good	0.153 \| good
2025-08-10T07:00:00.000Z	38 \| good	7.088 \| good	31.106 \| good	23.625 \| good	0.552 \| good	4.686 \| good	0.146 \| good
2025-08-10T08:00:00.000Z	52 \| moderate	9.573 \| good	42.72 \| good	21.22 \| good	0.526 \| good	3.984 \| good	0.139 \| good
2025-08-10T09:00:00.000Z	49 \| good	9.365 \| good	41.688 \| good	21.797 \| good	0.5 \| good	3.283 \| good	0.132 \| good
2025-08-10T10:00:00.000Z	44 \| good	7.861 \| good	34.436 \| good	23.076 \| good	0.569 \| good	3.406 \| good	0.132 \| good
2025-08-10T11:00:00.000Z	54 \| moderate	11.153 \| good	49.444 \| good	18.204 \| good	0.638 \| good	3.529 \| good	0.133 \| good
2025-08-10T12:00:00.000Z	54 \| moderate	10.651 \| good	47.147 \| good	18.611 \| good	0.706 \| good	3.652 \| good	0.134 \| good
2025-08-10T13:00:00.000Z	54 \| moderate	11.319 \| good	50.037 \| good	24.07 \| good	0.772 \| good	3.51 \| good	0.136 \| good
2025-08-10T14:00:00.000Z	52 \| moderate	10.234 \| good	45.499 \| good	33.775 \| good	0.837 \| good	3.368 \| good	0.137 \| good
2025-08-10T15:00:00.000Z	56 \| moderate	11.749 \| good	52.562 \| good	40.449 \| good	0.903 \| good	3.226 \| good	0.139 \| good
2025-08-10T16:00:00.000Z	52 \| moderate	10.003 \| good	44.13 \| good	47.101 \| good	0.808 \| good	2.804 \| good	0.137 \| good
2025-08-10T17:00:00.000Z	54 \| moderate	10.668 \| good	47.08 \| good	53.691 \| good	0.712 \| good	2.381 \| good	0.135 \| good
2025-08-10T18:00:00.000Z	61 \| moderate	7.284 \| good	32.166 \| good	57.711 \| fine	0.617 \| good	1.959 \| good	0.133 \| good
2025-08-10T19:00:00.000Z	58 \| moderate	5.458 \| good	23.657 \| good	57.356 \| fine	0.561 \| good	2.118 \| good	0.132 \| good
2025-08-10T20:00:00.000Z	54 \| moderate	5.95 \| good	26.263 \| good	56.422 \| fine	0.505 \| good	2.277 \| good	0.131 \| good
2025-08-10T21:00:00.000Z	54 \| moderate	6.771 \| good	29.905 \| good	56.353 \| fine	0.449 \| good	2.436 \| good	0.13 \| good
2025-08-10T22:00:00.000Z	54 \| moderate	10.003 \| good	44.174 \| good	56.468 \| fine	0.434 \| good	2.813 \| good	0.132 \| good
2025-08-10T23:00:00.000Z	51 \| moderate	8.647 \| good	37.954 \| good	55.391 \| fine	0.419 \| good	3.191 \| good	0.133 \| good
2025-08-11T00:00:00.000Z	49 \| good	4.158 \| good	18.312 \| good	52.764 \| good	0.405 \| good	3.568 \| good	0.134 \| good
2025-08-11T01:00:00.000Z	45 \| good	1.359 \| good	5.541 \| good	48.756 \| good	0.449 \| good	4.632 \| good	0.141 \| good
2025-08-11T02:00:00.000Z	42 \| good	2.218 \| good	9.102 \| good	45.173 \| good	0.492 \| good	5.696 \| good	0.148 \| good
2025-08-11T03:00:00.000Z	39 \| good	2.448 \| good	10.286 \| good	41.765 \| good	0.536 \| good	6.76 \| good	0.155 \| good
2025-08-11T04:00:00.000Z	33 \| good	0.998 \| good	4.023 \| good	36.435 \| good	0.607 \| good	7.97 \| good	0.165 \| good
2025-08-11T05:00:00.000Z	31 \| good	2.081 \| good	8.448 \| good	32.58 \| good	0.678 \| good	9.18 \| good	0.175 \| good
2025-08-11T06:00:00.000Z	29 \| good	2.061 \| good	8.286 \| good	30.84 \| good	0.749 \| good	10.39 \| good	0.185 \| good
2025-08-11T07:00:00.000Z	27 \| good	5.465 \| good	23.742 \| good	27.55 \| good	0.765 \| good	11.817 \| good	0.195 \| good
2025-08-11T08:00:00.000Z	49 \| good	8.577 \| good	37.462 \| good	26.794 \| good	0.781 \| good	13.245 \| good	0.206 \| good
2025-08-11T09:00:00.000Z	52 \| moderate	9.772 \| good	43.4 \| good	26.204 \| good	0.798 \| good	14.672 \| good	0.216 \| good
2025-08-11T10:00:00.000Z	54 \| moderate	10.817 \| good	47.852 \| good	24.517 \| good	0.797 \| good	14.333 \| good	0.212 \| good
2025-08-11T11:00:00.000Z	56 \| moderate	11.511 \| good	50.888 \| good	22.49 \| good	0.797 \| good	13.993 \| good	0.208 \| good
2025-08-11T12:00:00.000Z	62 \| moderate	14.911 \| fine	66.381 \| fine	18.985 \| good	0.796 \| good	13.654 \| good	0.204 \| good
2025-08-11T13:00:00.000Z	66 \| moderate	16.84 \| fine	74.879 \| fine	22.908 \| good	0.974 \| good	10.851 \| good	0.19 \| good
2025-08-11T14:00:00.000Z	67 \| moderate	18.287 \| fine	80.785 \| fine	30.324 \| good	1.153 \| good	8.048 \| good	0.175 \| good
2025-08-11T15:00:00.000Z	77 \| moderate	22.564 \| fine	99.149 \| fine	37.941 \| good	1.332 \| good	5.245 \| good	0.16 \| good
2025-08-11T16:00:00.000Z	75 \| moderate	22.467 \| fine	98.52 \| fine	49.783 \| good	1.224 \| good	4.21 \| good	0.155 \| good
2025-08-11T17:00:00.000Z	74 \| moderate	19.516 \| fine	85.862 \| fine	61.567 \| fine	1.116 \| good	3.176 \| good	0.149 \| good
2025-08-11T18:00:00.000Z	74 \| moderate	10.607 \| good	46.884 \| good	61.954 \| fine	1.008 \| good	2.142 \| good	0.143 \| good
2025-08-11T19:00:00.000Z	64 \| moderate	5.507 \| good	23.835 \| good	59.04 \| fine	0.845 \| good	1.75 \| good	0.136 \| 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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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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