What is the current level of PM10 in Frederick, Maryland?

Frederick, Maryland currently has a PM10 concentration of 47.258 μg/m3.

What is the current level of sulfur dioxide (SO2) in Frederick, Maryland?

The current sulfur dioxide (SO2) concentration in Frederick, Maryland is 0.317 ppb.

What is the current level of ozone (O3) in Frederick, Maryland?

Frederick, Maryland currently has an ozone (O3) concentration of 18.574 ppm.

What is the current level of nitrogen dioxide (NO2) in Frederick, Maryland?

The current level of nitrogen dioxide (NO2) in Frederick, Maryland is 10.997 ppb.

Current air quality index in Frederick, Maryland today

Q: What is the PM2.5 concentration in Frederick, Maryland right now?

Frederick, Maryland currently has a PM2.5 concentration of 9.83 μg/m3.

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

Live AQI (Air Quality Index)

Moderate

Frederick, Maryland

Last updated: ... (Local time)

Common air pollutants in Frederick, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.83 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

47.26 μg/m³

155

255

425

605+

Ozone (O₃)

18.57 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.42 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Frederick, Maryland

Scroll To Air Quality Map

Track live Frederick, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T05:00:00.000Z	38 \| good	6.52 \| good	24.023 \| good	24.561 \| good	0.264 \| good	5.35 \| good	0.159 \| good
2025-12-05T06:00:00.000Z	33 \| good	5.883 \| good	26.405 \| good	29.168 \| good	0.381 \| good	4.818 \| good	0.144 \| good
2025-12-05T07:00:00.000Z	33 \| good	6.059 \| good	25.366 \| good	29.277 \| good	0.377 \| good	4.672 \| good	0.12 \| good
2025-12-05T08:00:00.000Z	27 \| good	4.102 \| good	13.3 \| good	28.658 \| good	0.211 \| good	3.342 \| good	0.12 \| good
2025-12-05T09:00:00.000Z	27 \| good	3.452 \| good	10.287 \| good	28.537 \| good	0.169 \| good	3.722 \| good	0.139 \| good
2025-12-05T10:00:00.000Z	28 \| good	2.93 \| good	10.535 \| good	29.996 \| good	0.176 \| good	3.433 \| good	0.139 \| good
2025-12-05T11:00:00.000Z	27 \| good	3.709 \| good	11.539 \| good	28.628 \| good	0.244 \| good	4.092 \| good	0.179 \| good
2025-12-05T12:00:00.000Z	26 \| good	2.951 \| good	12.456 \| good	28.479 \| good	0.308 \| good	4.382 \| good	0.179 \| good
2025-12-05T13:00:00.000Z	29 \| good	2.801 \| good	9.826 \| good	31.064 \| good	0.208 \| good	5.804 \| good	0.236 \| good
2025-12-05T14:00:00.000Z	26 \| good	3.417 \| good	13.131 \| good	28.203 \| good	0.234 \| good	6.838 \| good	0.236 \| good
2025-12-05T15:00:00.000Z	29 \| good	4.483 \| good	10.75 \| good	30.854 \| good	0.23 \| good	11.181 \| good	0.218 \| good
2025-12-05T16:00:00.000Z	29 \| good	4.754 \| good	15.362 \| good	30.655 \| good	0.163 \| good	11.46 \| good	0.236 \| good
2025-12-05T17:00:00.000Z	28 \| good	3.9 \| good	17.019 \| good	29.791 \| good	0.216 \| good	10.972 \| good	0.218 \| good
2025-12-05T18:00:00.000Z	38 \| good	7.419 \| good	28.875 \| good	30.766 \| good	0.427 \| good	11.509 \| good	0.218 \| good
2025-12-05T19:00:00.000Z	28 \| good	4.995 \| good	20.238 \| good	29.861 \| good	0.2 \| good	13.017 \| good	0.24 \| good
2025-12-05T20:00:00.000Z	38 \| good	6.638 \| good	20.032 \| good	29.831 \| good	0.318 \| good	12.257 \| good	0.261 \| good
2025-12-05T21:00:00.000Z	27 \| good	4.887 \| good	24.406 \| good	28.142 \| good	0.271 \| good	15.071 \| good	0.243 \| good
2025-12-05T22:00:00.000Z	33 \| good	5.783 \| good	23.368 \| good	20.858 \| good	0.18 \| good	11.835 \| good	0.243 \| good
2025-12-05T23:00:00.000Z	44 \| good	7.689 \| good	34.2 \| good	22.926 \| good	0.182 \| good	12.272 \| good	0.282 \| good
2025-12-06T00:00:00.000Z	38 \| good	6.936 \| good	21.008 \| good	26.7 \| good	0.228 \| good	11.623 \| good	0.3 \| good
2025-12-06T01:00:00.000Z	44 \| good	8.27 \| good	32.175 \| good	22.155 \| good	0.185 \| good	14.06 \| good	0.277 \| good
2025-12-06T02:00:00.000Z	52 \| moderate	9.549 \| good	39.028 \| good	20.01 \| good	0.27 \| good	15.159 \| good	0.277 \| good
2025-12-06T03:00:00.000Z	58 \| moderate	12.844 \| fine	45.53 \| good	23.363 \| good	0.221 \| good	14.069 \| good	0.277 \| good
2025-12-06T04:00:00.000Z	66 \| moderate	17.388 \| fine	61.727 \| fine	20.1 \| good	0.204 \| good	13.337 \| good	0.256 \| good
2025-12-06T05:00:00.000Z	69 \| moderate	18.778 \| fine	50.757 \| good	15.884 \| good	0.247 \| good	13.5 \| good	0.257 \| good
2025-12-06T06:00:00.000Z	67 \| moderate	18.398 \| fine	45.407 \| good	15.888 \| good	0.225 \| good	12.941 \| good	0.218 \| good
2025-12-06T07:00:00.000Z	52 \| moderate	10.301 \| good	48.245 \| good	11.507 \| good	0.284 \| good	11.886 \| good	0.218 \| good
2025-12-06T08:00:00.000Z	64 \| moderate	15.81 \| fine	56.994 \| fine	13.557 \| good	0.244 \| good	13.714 \| good	0.277 \| good
2025-12-06T09:00:00.000Z	69 \| moderate	19.418 \| fine	53.53 \| good	12.332 \| good	0.24 \| good	13.637 \| good	0.256 \| good
2025-12-06T10:00:00.000Z	69 \| moderate	18.779 \| fine	68.141 \| fine	11.701 \| good	0.225 \| good	13.176 \| good	0.256 \| good
2025-12-06T11:00:00.000Z	71 \| moderate	19.897 \| fine	67.023 \| fine	12.885 \| good	0.242 \| good	12.847 \| good	0.256 \| good
2025-12-06T12:00:00.000Z	71 \| moderate	20.232 \| fine	80.832 \| fine	10.71 \| good	0.142 \| good	14.634 \| good	0.261 \| good
2025-12-06T13:00:00.000Z	73 \| moderate	21.006 \| fine	70.464 \| fine	8.054 \| good	0.146 \| good	10.423 \| good	0.279 \| good
2025-12-06T14:00:00.000Z	66 \| moderate	17.354 \| fine	75.575 \| fine	10.441 \| good	0.174 \| good	10.519 \| good	0.361 \| good
2025-12-06T15:00:00.000Z	66 \| moderate	16.898 \| fine	72.765 \| fine	12.132 \| good	0.218 \| good	7.42 \| good	0.359 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	15.974 \| fine	66.324 \| fine	12.552 \| good	0.272 \| good	4.565 \| good	0.318 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	15.088 \| fine	56.876 \| fine	14.111 \| good	0.298 \| good	4.457 \| good	0.318 \| good
2025-12-06T18:00:00.000Z	56 \| moderate	11.802 \| good	52.119 \| good	21.742 \| good	0.442 \| good	4.509 \| good	0.277 \| good
2025-12-06T19:00:00.000Z	44 \| good	8.415 \| good	21.27 \| good	26.101 \| good	0.304 \| good	4.057 \| good	0.216 \| good
2025-12-06T20:00:00.000Z	52 \| moderate	10.182 \| good	35.546 \| good	25.54 \| good	0.272 \| good	3.638 \| good	0.195 \| good
2025-12-06T21:00:00.000Z	44 \| good	7.604 \| good	22.031 \| good	21.947 \| good	0.239 \| good	3.569 \| good	0.177 \| good
2025-12-06T22:00:00.000Z	52 \| moderate	9.866 \| good	26.089 \| good	22.104 \| good	0.226 \| good	8.756 \| good	0.197 \| good
2025-12-06T23:00:00.000Z	52 \| moderate	10.358 \| good	22.846 \| good	20.352 \| good	0.192 \| good	10.105 \| good	0.177 \| good
2025-12-07T00:00:00.000Z	54 \| moderate	11.287 \| good	46.797 \| good	22.398 \| good	0.189 \| good	13.915 \| good	0.293 \| good
2025-12-07T01:00:00.000Z	60 \| moderate	14.102 \| fine	48.118 \| good	18.737 \| good	0.239 \| good	12.239 \| good	0.357 \| good
2025-12-07T02:00:00.000Z	54 \| moderate	11.421 \| good	57.268 \| fine	13.274 \| good	0.315 \| good	10.178 \| good	0.432 \| good
2025-12-07T03:00:00.000Z	54 \| moderate	11.217 \| good	42.561 \| good	16.386 \| good	0.321 \| good	13.782 \| good	0.414 \| good
2025-12-07T04:00:00.000Z	52 \| moderate	10.448 \| good	55.437 \| fine	18.629 \| good	0.572 \| good	13.505 \| good	0.454 \| good
2025-12-07T04:00:00.000Z	52 \| moderate	9.83 \| good	47.258 \| good	18.574 \| good	0.317 \| good	10.997 \| good	0.417 \| good
2025-12-07T05:00:00.000Z	54 \| moderate	10.563 \| good	46.932 \| good	23.14 \| good	3.369 \| good	7.669 \| good	0.211 \| good
2025-12-07T06:00:00.000Z	52 \| moderate	9.534 \| good	42.813 \| good	23.249 \| good	3.32 \| good	5.917 \| good	0.195 \| good
2025-12-07T07:00:00.000Z	49 \| good	8.631 \| good	37.844 \| good	21.384 \| good	3.385 \| good	6.126 \| good	0.196 \| good
2025-12-07T08:00:00.000Z	49 \| good	8.759 \| good	38.131 \| good	16.649 \| good	3.449 \| good	6.336 \| good	0.197 \| good
2025-12-07T09:00:00.000Z	49 \| good	8.873 \| good	38.862 \| good	23.454 \| good	3.513 \| good	6.545 \| good	0.198 \| good
2025-12-07T10:00:00.000Z	54 \| moderate	10.506 \| good	46.657 \| good	19.466 \| good	3.62 \| good	8.923 \| good	0.216 \| good
2025-12-07T11:00:00.000Z	56 \| moderate	11.818 \| good	53.29 \| good	10.313 \| good	3.728 \| good	11.302 \| good	0.234 \| good
2025-12-07T12:00:00.000Z	58 \| moderate	13.035 \| fine	58.531 \| fine	7.921 \| good	3.835 \| good	13.681 \| good	0.253 \| good
2025-12-07T13:00:00.000Z	60 \| moderate	14.32 \| fine	64.411 \| fine	13.231 \| good	4.061 \| good	10.982 \| good	0.237 \| good
2025-12-07T14:00:00.000Z	58 \| moderate	12.778 \| fine	56.932 \| fine	22.095 \| good	4.287 \| good	8.282 \| good	0.222 \| good
2025-12-07T15:00:00.000Z	54 \| moderate	11.335 \| good	49.955 \| good	25.43 \| good	4.513 \| good	5.583 \| good	0.207 \| good
2025-12-07T16:00:00.000Z	54 \| moderate	11.272 \| good	49.92 \| good	28.847 \| good	4.574 \| good	5.29 \| good	0.204 \| good
2025-12-07T17:00:00.000Z	54 \| moderate	10.824 \| good	47.838 \| good	31.237 \| good	4.634 \| good	4.998 \| good	0.201 \| good
2025-12-07T18:00:00.000Z	52 \| moderate	10.346 \| good	45.856 \| good	29.131 \| good	4.694 \| good	4.705 \| good	0.198 \| good
2025-12-07T19:00:00.000Z	49 \| good	9.424 \| good	41.876 \| good	31.907 \| good	4.515 \| good	5.973 \| good	0.204 \| good
2025-12-07T20:00:00.000Z	49 \| good	9.063 \| good	40.533 \| good	36.445 \| good	4.336 \| good	7.242 \| good	0.209 \| good
2025-12-07T21:00:00.000Z	52 \| moderate	10.109 \| good	44.93 \| good	32.084 \| good	4.156 \| good	8.51 \| good	0.214 \| good
2025-12-07T22:00:00.000Z	54 \| moderate	11.217 \| good	49.749 \| good	26.831 \| good	4.07 \| good	12.997 \| good	0.257 \| good
2025-12-07T23:00:00.000Z	58 \| moderate	13.407 \| fine	60.607 \| fine	23.691 \| good	3.985 \| good	17.484 \| good	0.299 \| good
2025-12-08T00:00:00.000Z	60 \| moderate	13.715 \| fine	61.147 \| fine	21.271 \| good	3.899 \| good	21.971 \| good	0.342 \| good
2025-12-08T01:00:00.000Z	58 \| moderate	13.212 \| fine	59.107 \| fine	18.48 \| good	3.73 \| good	21.979 \| good	0.341 \| good
2025-12-08T02:00:00.000Z	60 \| moderate	14.179 \| fine	63.129 \| fine	17.601 \| good	3.561 \| good	21.988 \| good	0.341 \| good
2025-12-08T03:00:00.000Z	60 \| moderate	13.761 \| fine	62.408 \| fine	17.422 \| good	3.392 \| good	21.996 \| good	0.34 \| good
2025-12-08T04:00:00.000Z	52 \| moderate	9.841 \| good	43.483 \| good	20.579 \| good	3.872 \| good	17.413 \| good	0.302 \| good
2025-12-08T05:00:00.000Z	52 \| moderate	9.782 \| good	43.155 \| good	21.363 \| good	4.352 \| good	12.83 \| good	0.264 \| good
2025-12-08T06:00:00.000Z	54 \| moderate	10.564 \| good	46.984 \| good	24.751 \| good	4.832 \| good	8.247 \| good	0.227 \| good
2025-12-08T07:00:00.000Z	52 \| moderate	9.686 \| good	42.924 \| good	29.555 \| good	4.223 \| good	6.854 \| good	0.214 \| good
2025-12-08T08:00:00.000Z	28 \| good	3.346 \| good	14.75 \| good	30.47 \| good	3.613 \| good	5.461 \| good	0.202 \| good
2025-12-08T09:00:00.000Z	29 \| good	0.617 \| good	2.158 \| good	30.663 \| good	3.004 \| good	4.068 \| good	0.19 \| good
2025-12-08T10:00:00.000Z	27 \| good	0.376 \| good	1.141 \| good	29.402 \| good	2.191 \| good	3.542 \| good	0.178 \| good
2025-12-08T11:00:00.000Z	24 \| good	1.15 \| good	5 \| good	26.333 \| good	1.379 \| good	3.017 \| good	0.166 \| good
2025-12-08T12:00:00.000Z	25 \| good	1.878 \| good	7.969 \| good	27.157 \| good	0.567 \| good	2.491 \| good	0.154 \| good
2025-12-08T13:00:00.000Z	24 \| good	2.906 \| good	12.04 \| good	25.9 \| good	0.618 \| good	2.327 \| good	0.155 \| good
2025-12-08T14:00:00.000Z	24 \| good	2.56 \| good	10.141 \| good	26.112 \| good	0.67 \| good	2.163 \| good	0.155 \| good
2025-12-08T15:00:00.000Z	23 \| good	1.571 \| good	6.13 \| good	24.572 \| good	0.722 \| good	1.999 \| good	0.156 \| good
2025-12-08T16:00:00.000Z	21 \| good	0.986 \| good	3.972 \| good	23.413 \| good	0.777 \| good	1.857 \| good	0.154 \| good
2025-12-08T17:00:00.000Z	24 \| good	0.495 \| good	1.983 \| good	25.594 \| good	0.832 \| good	1.715 \| good	0.153 \| good
2025-12-08T18:00:00.000Z	23 \| good	0.756 \| good	2.862 \| good	24.787 \| good	0.887 \| good	1.573 \| good	0.151 \| good
2025-12-08T19:00:00.000Z	23 \| good	1.199 \| good	4.963 \| good	25.452 \| good	0.944 \| good	2.007 \| good	0.151 \| good
2025-12-08T20:00:00.000Z	24 \| good	1.41 \| good	5.748 \| good	26.448 \| good	1.002 \| good	2.44 \| good	0.151 \| good
2025-12-08T21:00:00.000Z	22 \| good	1.485 \| good	5.893 \| good	24.492 \| good	1.06 \| good	2.874 \| good	0.152 \| good
2025-12-08T22:00:00.000Z	22 \| good	1.686 \| good	6.914 \| good	24.468 \| good	1.197 \| good	6.051 \| good	0.177 \| good
2025-12-08T23:00:00.000Z	19 \| good	2.791 \| good	11.837 \| good	20.953 \| good	1.333 \| good	9.229 \| good	0.201 \| good
2025-12-09T00:00:00.000Z	44 \| good	7.519 \| good	8.121 \| good	22.017 \| good	1.463 \| good	12.43 \| good	0.226 \| good
2025-12-09T01:00:00.000Z	27 \| good	5.239 \| good	22.78 \| good	16.142 \| good	1.677 \| good	12.871 \| good	0.23 \| good
2025-12-09T02:00:00.000Z	38 \| good	7.198 \| good	31.781 \| good	13.993 \| good	1.885 \| good	13.336 \| good	0.234 \| good
2025-12-09T03:00:00.000Z	49 \| good	8.558 \| good	37.601 \| good	11.458 \| good	2.092 \| good	13.801 \| good	0.238 \| good
2025-12-09T04:00:00.000Z	49 \| good	9.189 \| good	40.622 \| good	10.417 \| good	2.243 \| good	13.756 \| good	0.24 \| good

Frederick

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Frederick, Maryland

0.42ppm

How accurate is Maryland, USA air quality data?

The air quality data for Maryland, 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

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Frequently asked questions

How frequently does the air quality data for Frederick, Maryland get updated?

Air quality updates for Frederick, Maryland are available every hour.

What time in the past 24 hours saw the poorest air quality in Frederick, Maryland?

Frederick, Maryland experienced its worst air quality at 01:00:00, 2025-12-06.

When was air quality in Frederick, Maryland the best over the past 24 hours?

The best air quality in Frederick, Maryland was observed at 09:00:00 on 2025-12-06.

What is the air quality in Frederick, Maryland right now?

The air quality in Frederick, Maryland right now is Moderate, with an AQI of 52.

What pollutant is most frequently found in Frederick, Maryland?

In Frederick, Maryland, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Frederick, Maryland is poor?

When air quality in Frederick, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Frederick, Maryland right now?

Frederick, Maryland currently has a PM_2.5 concentration of 9.83 μg/m³.

What is the current level of PM₁₀ in Frederick, Maryland?

Frederick, Maryland currently has a PM₁₀ concentration of 47.258 μg/m³.

What is the current level of carbon monoxide (CO) in Frederick, Maryland?

The current carbon monoxide (CO) level in Frederick, Maryland is 0.417 ppm.

What is the current level of sulfur dioxide (SO₂) in Frederick, Maryland?

The current sulfur dioxide (SO₂) concentration in Frederick, Maryland is 0.317 ppb.

What is the current level of ozone (O₃) in Frederick, Maryland?

Frederick, Maryland currently has an ozone (O₃) concentration of 18.574 ppm.

What is the current level of nitrogen dioxide (NO₂) in Frederick, Maryland?

The current level of nitrogen dioxide (NO₂) in Frederick, Maryland is 10.997 ppb.

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