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

Frederick, Maryland currently has a PM10 concentration of 16.379 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Frederick, Maryland is 0.253 ppb.

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

Frederick, Maryland currently has an ozone (O3) concentration of 23.413 ppm.

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

The current level of nitrogen dioxide (NO2) in Frederick, Maryland is 10.472 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 4.637 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)

Good

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)

3.06 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.33 μg/m³

155

255

425

605+

Ozone (O₃)

31.17 ppb

201

201+

Sulfur Dioxide (SO₂)

0.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 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
2026-03-13T15:00:00.000Z	22 \| good	4.428 \| good	14.993 \| good	16.357 \| good	0.39 \| good	11.229 \| good	0.281 \| good
2026-03-13T16:00:00.000Z	23 \| good	3.804 \| good	12.939 \| good	25.185 \| good	0.394 \| good	6.65 \| good	0.18 \| good
2026-03-13T17:00:00.000Z	25 \| good	3.513 \| good	11.894 \| good	27.27 \| good	0.451 \| good	4.481 \| good	0.161 \| good
2026-03-13T18:00:00.000Z	31 \| good	3.069 \| good	10.632 \| good	34.128 \| good	0.405 \| good	3.416 \| good	0.161 \| good
2026-03-13T19:00:00.000Z	35 \| good	2.278 \| good	8.541 \| good	38.032 \| good	0.376 \| good	2.755 \| good	0.161 \| good
2026-03-13T20:00:00.000Z	38 \| good	2.132 \| good	8.735 \| good	41.034 \| good	0.364 \| good	4.805 \| good	0.161 \| good
2026-03-13T21:00:00.000Z	39 \| good	2.253 \| good	10.238 \| good	42.05 \| good	0.338 \| good	3.55 \| good	0.161 \| good
2026-03-13T22:00:00.000Z	38 \| good	2.219 \| good	10.35 \| good	41.048 \| good	0.368 \| good	2.527 \| good	0.161 \| good
2026-03-13T23:00:00.000Z	38 \| good	2.69 \| good	11.25 \| good	40.997 \| good	0.337 \| good	2.176 \| good	0.161 \| good
2026-03-14T00:00:00.000Z	38 \| good	2.299 \| good	10.136 \| good	40.987 \| good	0.367 \| good	2.596 \| good	0.182 \| good
2026-03-14T01:00:00.000Z	39 \| good	2.143 \| good	8.312 \| good	41.933 \| good	0.328 \| good	2.841 \| good	0.182 \| good
2026-03-14T02:00:00.000Z	37 \| good	4.719 \| good	15.451 \| good	40.034 \| good	0.328 \| good	2.85 \| good	0.182 \| good
2026-03-14T03:00:00.000Z	32 \| good	3.993 \| good	17.28 \| good	35.252 \| good	0.366 \| good	2.964 \| good	0.161 \| good
2026-03-14T04:00:00.000Z	31 \| good	3.338 \| good	15.209 \| good	33.293 \| good	0.377 \| good	3.356 \| good	0.182 \| good
2026-03-14T05:00:00.000Z	25 \| good	3.72 \| good	15.637 \| good	27.448 \| good	0.397 \| good	4.278 \| good	0.182 \| good
2026-03-14T06:00:00.000Z	28 \| good	3.298 \| good	20.63 \| good	30.268 \| good	0.409 \| good	4.035 \| good	0.161 \| good
2026-03-14T07:00:00.000Z	28 \| good	2.486 \| good	14.942 \| good	30.251 \| good	0.41 \| good	4.237 \| good	0.18 \| good
2026-03-14T08:00:00.000Z	32 \| good	2.746 \| good	16.965 \| good	35.16 \| good	0.308 \| good	6.328 \| good	0.177 \| good
2026-03-14T09:00:00.000Z	33 \| good	2.504 \| good	14.514 \| good	36.192 \| good	0.325 \| good	7.078 \| good	0.18 \| good
2026-03-14T10:00:00.000Z	40 \| good	2.478 \| good	16.614 \| good	42.986 \| good	0.295 \| good	5.5 \| good	0.177 \| good
2026-03-14T11:00:00.000Z	38 \| good	2.396 \| good	11.852 \| good	41.04 \| good	0.265 \| good	5.462 \| good	0.158 \| good
2026-03-14T12:00:00.000Z	43 \| good	2.503 \| good	11.394 \| good	45.877 \| good	0.331 \| good	3.802 \| good	0.139 \| good
2026-03-14T13:00:00.000Z	43 \| good	1.663 \| good	7.17 \| good	45.861 \| good	0.336 \| good	3.555 \| good	0.139 \| good
2026-03-14T14:00:00.000Z	42 \| good	1.738 \| good	11.625 \| good	44.903 \| good	0.339 \| good	2.635 \| good	0.119 \| good
2026-03-14T15:00:00.000Z	41 \| good	2.207 \| good	7.993 \| good	43.919 \| good	0.375 \| good	2.502 \| good	0.139 \| good
2026-03-14T16:00:00.000Z	42 \| good	1.975 \| good	6.646 \| good	44.922 \| good	0.336 \| good	1.918 \| good	0.121 \| good
2026-03-14T17:00:00.000Z	39 \| good	1.25 \| good	6.799 \| good	42.047 \| good	0.304 \| good	1.832 \| good	0.121 \| good
2026-03-14T18:00:00.000Z	40 \| good	1.439 \| good	6.695 \| good	43.041 \| good	0.348 \| good	1.699 \| good	0.121 \| good
2026-03-14T19:00:00.000Z	39 \| good	1.375 \| good	5.977 \| good	42.128 \| good	0.305 \| good	1.704 \| good	0.121 \| good
2026-03-14T20:00:00.000Z	36 \| good	1.853 \| good	5.667 \| good	39.325 \| good	0.356 \| good	1.547 \| good	0.121 \| good
2026-03-14T21:00:00.000Z	39 \| good	1.569 \| good	7.51 \| good	42.184 \| good	0.299 \| good	1.621 \| good	0.139 \| good
2026-03-14T22:00:00.000Z	39 \| good	1.764 \| good	6.782 \| good	42.212 \| good	0.272 \| good	2.028 \| good	0.139 \| good
2026-03-14T23:00:00.000Z	40 \| good	1.727 \| good	7.73 \| good	43.112 \| good	0.361 \| good	3.225 \| good	0.139 \| good
2026-03-15T00:00:00.000Z	38 \| good	2.323 \| good	9.041 \| good	41.112 \| good	0.284 \| good	3.943 \| good	0.161 \| good
2026-03-15T01:00:00.000Z	37 \| good	2.408 \| good	8.189 \| good	40.055 \| good	0.281 \| good	6.615 \| good	0.2 \| good
2026-03-15T02:00:00.000Z	36 \| good	2.435 \| good	7.864 \| good	39.066 \| good	0.279 \| good	8.065 \| good	0.199 \| good
2026-03-15T03:00:00.000Z	32 \| good	4.182 \| good	13.226 \| good	35.078 \| good	0.302 \| good	4.601 \| good	0.333 \| good
2026-03-15T04:00:00.000Z	27 \| good	4.627 \| good	20.062 \| good	29.021 \| good	0.282 \| good	5.119 \| good	0.333 \| good
2026-03-15T05:00:00.000Z	38 \| good	6.788 \| good	32.848 \| good	25.088 \| good	0.301 \| good	6.816 \| good	0.37 \| good
2026-03-15T06:00:00.000Z	27 \| good	5.492 \| good	18.834 \| good	24.031 \| good	0.278 \| good	24.098 \| good	0.515 \| good
2026-03-15T07:00:00.000Z	52 \| moderate	10.065 \| good	37.333 \| good	24.015 \| good	0.298 \| good	25.502 \| good	0.432 \| good
2026-03-15T08:00:00.000Z	27 \| good	4.641 \| good	18.334 \| good	19.309 \| good	0.277 \| good	12.873 \| good	0.375 \| good
2026-03-15T09:00:00.000Z	33 \| good	5.652 \| good	28.71 \| good	13.567 \| good	0.282 \| good	10.293 \| good	0.317 \| good
2026-03-15T10:00:00.000Z	27 \| good	4.9 \| good	17.536 \| good	15.634 \| good	0.274 \| good	8.54 \| good	0.279 \| good
2026-03-15T11:00:00.000Z	27 \| good	4.544 \| good	14.394 \| good	18.537 \| good	0.278 \| good	10.707 \| good	0.26 \| good
2026-03-15T12:00:00.000Z	27 \| good	4.637 \| good	16.379 \| good	23.413 \| good	0.253 \| good	10.472 \| good	0.24 \| good
2026-03-15T13:00:00.000Z	22 \| good	4.074 \| good	11.983 \| good	23.446 \| good	0.255 \| good	9.085 \| good	0.219 \| good
2026-03-15T14:00:00.000Z	29 \| good	3.064 \| good	13.331 \| good	31.169 \| good	0.308 \| good	5.053 \| good	0.18 \| good
2026-03-15T14:00:00.000Z	29 \| good	3.064 \| good	13.331 \| good	31.169 \| good	0.308 \| good	5.053 \| good	0.18 \| good
2026-03-15T13:00:00.000Z	27 \| good	4.922 \| good	21.001 \| good	21.771 \| good	1.934 \| good	7.228 \| good	0.18 \| good
2026-03-15T14:00:00.000Z	27 \| good	3.641 \| good	15.98 \| good	29.102 \| good	1.894 \| good	6.434 \| good	0.177 \| good
2026-03-15T15:00:00.000Z	31 \| good	3.43 \| good	15.003 \| good	33.92 \| good	1.854 \| good	5.64 \| good	0.175 \| good
2026-03-15T16:00:00.000Z	31 \| good	3.395 \| good	14.844 \| good	34.129 \| good	1.729 \| good	4.946 \| good	0.166 \| good
2026-03-15T17:00:00.000Z	33 \| good	2.579 \| good	10.719 \| good	35.737 \| good	1.603 \| good	4.251 \| good	0.158 \| good
2026-03-15T18:00:00.000Z	33 \| good	2.308 \| good	9.85 \| good	36.264 \| good	1.478 \| good	3.557 \| good	0.15 \| good
2026-03-15T19:00:00.000Z	34 \| good	2.377 \| good	9.903 \| good	37.342 \| good	1.362 \| good	3.109 \| good	0.145 \| good
2026-03-15T20:00:00.000Z	35 \| good	2.097 \| good	8.777 \| good	37.652 \| good	1.247 \| good	2.661 \| good	0.14 \| good
2026-03-15T21:00:00.000Z	37 \| good	2.4 \| good	9.911 \| good	40.022 \| good	1.131 \| good	2.213 \| good	0.135 \| good
2026-03-15T22:00:00.000Z	39 \| good	1.691 \| good	6.935 \| good	41.885 \| good	1.106 \| good	2.83 \| good	0.138 \| good
2026-03-15T23:00:00.000Z	39 \| good	1.894 \| good	7.935 \| good	41.881 \| good	1.082 \| good	3.447 \| good	0.142 \| good
2026-03-16T00:00:00.000Z	37 \| good	2.267 \| good	9.018 \| good	39.863 \| good	1.058 \| good	4.064 \| good	0.145 \| good
2026-03-16T01:00:00.000Z	34 \| good	3.006 \| good	11.972 \| good	36.906 \| good	0.995 \| good	3.791 \| good	0.142 \| good
2026-03-16T02:00:00.000Z	33 \| good	3.565 \| good	15.804 \| good	35.908 \| good	0.932 \| good	3.518 \| good	0.139 \| good
2026-03-16T03:00:00.000Z	31 \| good	4.742 \| good	20.804 \| good	33.203 \| good	0.869 \| good	3.244 \| good	0.136 \| good
2026-03-16T04:00:00.000Z	33 \| good	5.7 \| good	24.724 \| good	34.485 \| good	0.803 \| good	2.826 \| good	0.134 \| good
2026-03-16T05:00:00.000Z	33 \| good	6.221 \| good	27.866 \| good	33.717 \| good	0.736 \| good	2.408 \| good	0.131 \| good
2026-03-16T06:00:00.000Z	33 \| good	6.342 \| good	27.948 \| good	31.198 \| good	0.67 \| good	1.989 \| good	0.129 \| good
2026-03-16T07:00:00.000Z	33 \| good	5.865 \| good	25.19 \| good	27.204 \| good	0.627 \| good	1.884 \| good	0.127 \| good
2026-03-16T08:00:00.000Z	33 \| good	5.907 \| good	26.658 \| good	26.663 \| good	0.584 \| good	1.778 \| good	0.125 \| good
2026-03-16T09:00:00.000Z	22 \| good	4.155 \| good	18.031 \| good	22.548 \| good	0.541 \| good	1.673 \| good	0.122 \| good
2026-03-16T10:00:00.000Z	22 \| good	3.6 \| good	15.841 \| good	20.576 \| good	0.519 \| good	2.051 \| good	0.122 \| good
2026-03-16T11:00:00.000Z	22 \| good	3.705 \| good	16.02 \| good	16.856 \| good	0.496 \| good	2.43 \| good	0.121 \| good
2026-03-16T12:00:00.000Z	18 \| good	3.162 \| good	13.739 \| good	18.564 \| good	0.473 \| good	2.808 \| good	0.121 \| good
2026-03-16T13:00:00.000Z	19 \| good	2.508 \| good	10.031 \| good	19.73 \| good	0.489 \| good	3.162 \| good	0.122 \| good
2026-03-16T14:00:00.000Z	21 \| good	2.469 \| good	9.983 \| good	23.177 \| good	0.505 \| good	3.515 \| good	0.124 \| good
2026-03-16T15:00:00.000Z	23 \| good	2.748 \| good	10.983 \| good	24.776 \| good	0.521 \| good	3.869 \| good	0.125 \| good
2026-03-16T16:00:00.000Z	23 \| good	3.335 \| good	14.784 \| good	24.541 \| good	0.482 \| good	3.047 \| good	0.12 \| good
2026-03-16T17:00:00.000Z	29 \| good	3.85 \| good	16.915 \| good	30.755 \| good	0.444 \| good	2.225 \| good	0.116 \| good
2026-03-16T18:00:00.000Z	32 \| good	4.387 \| good	18.972 \| good	35.245 \| good	0.406 \| good	1.403 \| good	0.111 \| good
2026-03-16T19:00:00.000Z	30 \| good	3.669 \| good	15.963 \| good	31.782 \| good	0.473 \| good	1.857 \| good	0.116 \| good
2026-03-16T20:00:00.000Z	29 \| good	4.223 \| good	18.846 \| good	31.054 \| good	0.539 \| good	2.31 \| good	0.121 \| good
2026-03-16T21:00:00.000Z	27 \| good	4.336 \| good	19 \| good	29.127 \| good	0.606 \| good	2.764 \| good	0.126 \| good
2026-03-16T22:00:00.000Z	28 \| good	5.066 \| good	21.853 \| good	30.042 \| good	0.86 \| good	2.797 \| good	0.135 \| good
2026-03-16T23:00:00.000Z	29 \| good	2.89 \| good	11.815 \| good	31.075 \| good	1.115 \| good	2.83 \| good	0.143 \| good
2026-03-17T00:00:00.000Z	24 \| good	2.847 \| good	11.855 \| good	25.883 \| good	1.369 \| good	2.863 \| good	0.151 \| good
2026-03-17T01:00:00.000Z	19 \| good	1.907 \| good	7.972 \| good	20.235 \| good	1.622 \| good	2.924 \| good	0.157 \| good
2026-03-17T02:00:00.000Z	16 \| good	1.371 \| good	5.138 \| good	16.682 \| good	1.876 \| good	2.985 \| good	0.162 \| good
2026-03-17T03:00:00.000Z	14 \| good	1.649 \| good	6.906 \| good	15.418 \| good	2.129 \| good	3.046 \| good	0.168 \| good
2026-03-17T04:00:00.000Z	11 \| good	2.06 \| good	8.124 \| good	12.343 \| good	1.836 \| good	2.505 \| good	0.166 \| good
2026-03-17T05:00:00.000Z	16 \| good	2.614 \| good	10.279 \| good	7.793 \| good	1.542 \| good	1.965 \| good	0.165 \| good
2026-03-17T06:00:00.000Z	37 \| good	2.378 \| good	2.492 \| good	39.969 \| good	1.251 \| good	1.423 \| good	0.163 \| good
2026-03-17T07:00:00.000Z	22 \| good	3.649 \| good	16.013 \| good	11.054 \| good	1.225 \| good	1.428 \| good	0.164 \| good
2026-03-17T08:00:00.000Z	22 \| good	4.297 \| good	18.861 \| good	11.206 \| good	1.202 \| good	1.432 \| good	0.164 \| good
2026-03-17T09:00:00.000Z	22 \| good	4.135 \| good	17.915 \| good	9.615 \| good	1.178 \| good	1.435 \| good	0.164 \| good
2026-03-17T10:00:00.000Z	22 \| good	3.846 \| good	16.827 \| good	9.062 \| good	1.175 \| good	1.717 \| good	0.166 \| good
2026-03-17T11:00:00.000Z	16 \| good	2.788 \| good	11.768 \| good	8.336 \| good	1.172 \| good	1.998 \| good	0.169 \| good
2026-03-17T12:00:00.000Z	37 \| good	4.48 \| good	4.683 \| good	39.829 \| good	1.171 \| good	2.278 \| good	0.172 \| good

Frederick

Empower business decisions with accurate air quality data

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

0.26ppm

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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Check live rankings of places in the USA affected by air pollution.

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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 07:00:00, 2026-03-15.

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

The best air quality in Frederick, Maryland was observed at 11:00:00 on 2026-03-15.

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

The air quality in Frederick, Maryland right now is Good, with an AQI of 27.

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 4.637 μg/m³.

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

Frederick, Maryland currently has a PM₁₀ concentration of 16.379 μg/m³.

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

The current carbon monoxide (CO) level in Frederick, Maryland is 0.24 ppm.

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

The current sulfur dioxide (SO₂) concentration in Frederick, Maryland is 0.253 ppb.

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

Frederick, Maryland currently has an ozone (O₃) concentration of 23.413 ppm.

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

The current level of nitrogen dioxide (NO₂) in Frederick, Maryland is 10.472 ppb.

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