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

Frederick, Maryland currently has a PM10 concentration of 16.563 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Frederick, Maryland is 0.296 ppb.

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

Frederick, Maryland currently has an ozone (O3) concentration of 16.201 ppm.

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

The current level of nitrogen dioxide (NO2) in Frederick, Maryland is 4.648 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 5.56 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)

5.56 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.56 μg/m³

155

255

425

605+

Ozone (O₃)

16.20 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.65 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

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
2026-08-15T09:00:00.000Z	58 \| moderate	12.757 \| fine	30.273 \| good	3.577 \| good	0.269 \| good	5.086 \| good	0.279 \| good
2026-08-15T10:00:00.000Z	60 \| moderate	13.518 \| fine	59.621 \| fine	4.535 \| good	0.28 \| good	5.743 \| good	0.279 \| good
2026-08-15T11:00:00.000Z	62 \| moderate	14.552 \| fine	66.702 \| fine	7.466 \| good	0.335 \| good	7.199 \| good	0.301 \| good
2026-08-15T12:00:00.000Z	58 \| moderate	13.379 \| fine	54.487 \| good	10.266 \| good	0.367 \| good	5.269 \| good	0.301 \| good
2026-08-15T13:00:00.000Z	54 \| moderate	10.661 \| good	49.168 \| good	10.297 \| good	0.424 \| good	5.624 \| good	0.282 \| good
2026-08-15T14:00:00.000Z	54 \| moderate	10.653 \| good	40.68 \| good	20.157 \| good	0.686 \| good	3.657 \| good	0.339 \| good
2026-08-15T15:00:00.000Z	52 \| moderate	10.13 \| good	33.596 \| good	25.125 \| good	1.062 \| good	2.622 \| good	0.319 \| good
2026-08-15T16:00:00.000Z	52 \| moderate	9.561 \| good	29.961 \| good	30.047 \| good	1.139 \| good	2.535 \| good	0.3 \| good
2026-08-15T17:00:00.000Z	49 \| good	8.711 \| good	30.092 \| good	34.05 \| good	0.637 \| good	1.759 \| good	0.319 \| good
2026-08-15T18:00:00.000Z	38 \| good	6.544 \| good	23.45 \| good	36.093 \| good	0.449 \| good	1.897 \| good	0.3 \| good
2026-08-15T19:00:00.000Z	44 \| good	7.573 \| good	32.374 \| good	40.035 \| good	0.382 \| good	1.796 \| good	0.3 \| good
2026-08-15T20:00:00.000Z	49 \| good	8.547 \| good	26.419 \| good	42.033 \| good	0.532 \| good	2.354 \| good	0.3 \| good
2026-08-15T21:00:00.000Z	42 \| good	6.167 \| good	24.264 \| good	45.027 \| good	0.597 \| good	1.823 \| good	0.279 \| good
2026-08-15T22:00:00.000Z	52 \| moderate	9.506 \| good	32.945 \| good	43.021 \| good	0.597 \| good	2.677 \| good	0.316 \| good
2026-08-15T23:00:00.000Z	54 \| moderate	10.944 \| good	46.422 \| good	40.134 \| good	0.387 \| good	2.257 \| good	0.319 \| good
2026-08-16T00:00:00.000Z	54 \| moderate	10.773 \| good	31.723 \| good	35.213 \| good	0.349 \| good	1.779 \| good	0.359 \| good
2026-08-16T01:00:00.000Z	54 \| moderate	10.524 \| good	27.049 \| good	31.37 \| good	0.24 \| good	2.928 \| good	0.359 \| good
2026-08-16T02:00:00.000Z	56 \| moderate	11.917 \| good	54.014 \| good	26.343 \| good	0.248 \| good	3.13 \| good	0.319 \| good
2026-08-16T03:00:00.000Z	56 \| moderate	12.416 \| fine	57.415 \| fine	28.332 \| good	0.248 \| good	5.56 \| good	0.378 \| good
2026-08-16T04:00:00.000Z	58 \| moderate	12.588 \| fine	55.919 \| fine	28.379 \| good	0.285 \| good	8.346 \| good	0.417 \| good
2026-08-16T05:00:00.000Z	60 \| moderate	13.913 \| fine	34.719 \| good	26.391 \| good	0.3 \| good	7.998 \| good	0.436 \| good
2026-08-16T06:00:00.000Z	56 \| moderate	12.177 \| fine	40.605 \| good	26.148 \| good	0.286 \| good	8.357 \| good	0.478 \| good
2026-08-16T07:00:00.000Z	56 \| moderate	11.945 \| good	45.366 \| good	26.073 \| good	0.253 \| good	6.535 \| good	0.459 \| good
2026-08-16T08:00:00.000Z	56 \| moderate	12.281 \| fine	38.148 \| good	24.194 \| good	0.237 \| good	5.429 \| good	0.361 \| good
2026-08-16T09:00:00.000Z	58 \| moderate	13.019 \| fine	41.199 \| good	23.172 \| good	0.37 \| good	4.81 \| good	0.339 \| good
2026-08-16T10:00:00.000Z	58 \| moderate	13.204 \| fine	50.156 \| good	23.131 \| good	0.344 \| good	3.417 \| good	0.319 \| good
2026-08-16T11:00:00.000Z	58 \| moderate	12.856 \| fine	47.486 \| good	26.16 \| good	0.32 \| good	3.106 \| good	0.3 \| good
2026-08-16T12:00:00.000Z	56 \| moderate	12.224 \| fine	51.224 \| good	28.016 \| good	0.246 \| good	2.772 \| good	0.3 \| good
2026-08-16T13:00:00.000Z	58 \| moderate	13.076 \| fine	56.906 \| fine	28.121 \| good	0.236 \| good	3.779 \| good	0.3 \| good
2026-08-16T14:00:00.000Z	60 \| moderate	13.778 \| fine	58.359 \| fine	36.832 \| good	0.738 \| good	2.648 \| good	0.282 \| good
2026-08-16T15:00:00.000Z	54 \| moderate	11.311 \| good	46.23 \| good	33.054 \| good	0.306 \| good	2.63 \| good	0.282 \| good
2026-08-16T16:00:00.000Z	49 \| good	8.898 \| good	36.885 \| good	39.83 \| good	0.271 \| good	2.815 \| good	0.282 \| good
2026-08-16T17:00:00.000Z	52 \| moderate	9.602 \| good	45.868 \| good	35.94 \| good	0.337 \| good	1.976 \| good	0.3 \| good
2026-08-16T18:00:00.000Z	54 \| moderate	10.951 \| good	45.775 \| good	34.079 \| good	0.265 \| good	1.557 \| good	0.261 \| good
2026-08-16T19:00:00.000Z	54 \| moderate	10.743 \| good	49.474 \| good	32.107 \| good	0.347 \| good	2.107 \| good	0.282 \| good
2026-08-16T20:00:00.000Z	52 \| moderate	9.704 \| good	31.108 \| good	32.035 \| good	0.361 \| good	2.387 \| good	0.282 \| good
2026-08-16T21:00:00.000Z	44 \| good	8.229 \| good	22.116 \| good	32.926 \| good	0.361 \| good	2.421 \| good	0.3 \| good
2026-08-16T22:00:00.000Z	44 \| good	7.629 \| good	22.064 \| good	27.088 \| good	0.235 \| good	4.115 \| good	0.3 \| good
2026-08-16T23:00:00.000Z	38 \| good	6.961 \| good	21.468 \| good	27.081 \| good	0.235 \| good	4.12 \| good	0.3 \| good
2026-08-17T00:00:00.000Z	44 \| good	8.364 \| good	25.983 \| good	26.121 \| good	0.313 \| good	4.659 \| good	0.319 \| good
2026-08-17T01:00:00.000Z	38 \| good	6.614 \| good	27.887 \| good	23.174 \| good	0.232 \| good	5.048 \| good	0.319 \| good
2026-08-17T02:00:00.000Z	44 \| good	8.044 \| good	29.438 \| good	21.183 \| good	0.295 \| good	4.989 \| good	0.341 \| good
2026-08-17T03:00:00.000Z	33 \| good	5.988 \| good	26.967 \| good	32.009 \| good	0.247 \| good	2.971 \| good	0.186 \| good
2026-08-17T04:00:00.000Z	27 \| good	4.535 \| good	19.786 \| good	20.221 \| good	0.771 \| good	6.207 \| good	0.319 \| good
2026-08-17T05:00:00.000Z	27 \| good	5.046 \| good	18.676 \| good	21.111 \| good	0.509 \| good	7.648 \| good	0.3 \| good
2026-08-17T06:00:00.000Z	27 \| good	5.382 \| good	19.932 \| good	16.219 \| good	0.269 \| good	9.523 \| good	0.279 \| good
2026-08-17T07:00:00.000Z	33 \| good	5.56 \| good	16.563 \| good	16.201 \| good	0.296 \| good	4.648 \| good	0.26 \| good
2026-08-17T08:00:00.000Z	33 \| good	5.634 \| good	23.671 \| good	15.127 \| good	0.33 \| good	2.543 \| good	0.26 \| good
2026-08-17T08:00:00.000Z	33 \| good	5.56 \| good	16.563 \| good	16.201 \| good	0.296 \| good	4.648 \| good	0.26 \| good
2026-08-17T09:00:00.000Z	38 \| good	6.934 \| good	30.908 \| good	10.442 \| good	0.427 \| good	2.228 \| good	0.164 \| good
2026-08-17T10:00:00.000Z	38 \| good	6.734 \| good	30 \| good	9.679 \| good	0.479 \| good	2.308 \| good	0.159 \| good
2026-08-17T11:00:00.000Z	38 \| good	6.904 \| good	30.926 \| good	14.044 \| good	0.488 \| good	2.404 \| good	0.157 \| good
2026-08-17T12:00:00.000Z	44 \| good	8.156 \| good	36 \| good	23.906 \| good	0.504 \| good	2.013 \| good	0.159 \| good
2026-08-17T13:00:00.000Z	44 \| good	8.304 \| good	36.11 \| good	32.217 \| good	0.551 \| good	1.576 \| good	0.159 \| good
2026-08-17T14:00:00.000Z	44 \| good	8.492 \| good	37.046 \| good	41.826 \| good	0.559 \| good	1.179 \| good	0.158 \| good
2026-08-17T15:00:00.000Z	44 \| good	7.809 \| good	34.041 \| good	45.482 \| good	0.536 \| good	0.805 \| good	0.158 \| good
2026-08-17T16:00:00.000Z	44 \| good	6.866 \| good	30.072 \| good	48.358 \| good	0.475 \| good	0.598 \| good	0.158 \| good
2026-08-17T17:00:00.000Z	46 \| good	7.183 \| good	31.946 \| good	50.098 \| good	0.421 \| good	0.517 \| good	0.16 \| good
2026-08-17T18:00:00.000Z	49 \| good	7.352 \| good	32.044 \| good	52.564 \| good	0.393 \| good	0.487 \| good	0.163 \| good
2026-08-17T19:00:00.000Z	48 \| good	7.401 \| good	32.884 \| good	51.55 \| good	0.392 \| good	0.481 \| good	0.165 \| good
2026-08-17T20:00:00.000Z	48 \| good	7.251 \| good	31.972 \| good	52.035 \| good	0.395 \| good	0.516 \| good	0.168 \| good
2026-08-17T21:00:00.000Z	48 \| good	6.814 \| good	30.024 \| good	51.698 \| good	0.402 \| good	0.58 \| good	0.169 \| good
2026-08-17T22:00:00.000Z	46 \| good	5.549 \| good	23.89 \| good	49.748 \| good	0.344 \| good	1.207 \| good	0.171 \| good
2026-08-17T23:00:00.000Z	41 \| good	5.437 \| good	23.096 \| good	44.486 \| good	0.318 \| good	2.617 \| good	0.181 \| good
2026-08-18T00:00:00.000Z	38 \| good	7.029 \| good	31.042 \| good	33.679 \| good	0.337 \| good	3.303 \| good	0.184 \| good
2026-08-18T01:00:00.000Z	38 \| good	7.249 \| good	32.022 \| good	28.357 \| good	0.359 \| good	3.948 \| good	0.186 \| good
2026-08-18T02:00:00.000Z	38 \| good	6.719 \| good	30.019 \| good	24.504 \| good	0.371 \| good	4.255 \| good	0.188 \| good
2026-08-18T03:00:00.000Z	33 \| good	5.996 \| good	26.926 \| good	21.519 \| good	0.381 \| good	4.549 \| good	0.191 \| good
2026-08-18T04:00:00.000Z	33 \| good	6.365 \| good	28.115 \| good	12.666 \| good	0.386 \| good	4.587 \| good	0.194 \| good
2026-08-18T05:00:00.000Z	38 \| good	7.442 \| good	32.931 \| good	11.087 \| good	0.384 \| good	3.961 \| good	0.194 \| good
2026-08-18T06:00:00.000Z	44 \| good	8.161 \| good	35.938 \| good	13.695 \| good	0.372 \| good	3.243 \| good	0.192 \| good
2026-08-18T07:00:00.000Z	38 \| good	7.115 \| good	31.859 \| good	8.237 \| good	0.344 \| good	2.792 \| good	0.193 \| good
2026-08-18T08:00:00.000Z	44 \| good	7.95 \| good	34.954 \| good	10.251 \| good	0.309 \| good	2.535 \| good	0.195 \| good
2026-08-18T09:00:00.000Z	49 \| good	9.305 \| good	41.897 \| good	9.899 \| good	0.283 \| good	2.409 \| good	0.196 \| good
2026-08-18T10:00:00.000Z	52 \| moderate	9.74 \| good	43.013 \| good	13.189 \| good	0.273 \| good	2.491 \| good	0.198 \| good
2026-08-18T11:00:00.000Z	52 \| moderate	9.605 \| good	42.95 \| good	13.123 \| good	0.272 \| good	2.611 \| good	0.201 \| good
2026-08-18T12:00:00.000Z	54 \| moderate	10.692 \| good	47.093 \| good	21.118 \| good	0.28 \| good	2.31 \| good	0.207 \| good
2026-08-18T13:00:00.000Z	52 \| moderate	9.628 \| good	43.02 \| good	31.846 \| good	0.33 \| good	1.621 \| good	0.203 \| good
2026-08-18T14:00:00.000Z	49 \| good	9.408 \| good	42.002 \| good	38.33 \| good	0.36 \| good	1.142 \| good	0.198 \| good
2026-08-18T15:00:00.000Z	49 \| good	9.027 \| good	40.841 \| good	42.319 \| good	0.399 \| good	0.776 \| good	0.191 \| good
2026-08-18T16:00:00.000Z	44 \| good	8.083 \| good	35.104 \| good	45.596 \| good	0.395 \| good	0.578 \| good	0.186 \| good
2026-08-18T17:00:00.000Z	44 \| good	7.676 \| good	34 \| good	46.878 \| good	0.372 \| good	0.502 \| good	0.184 \| good
2026-08-18T18:00:00.000Z	44 \| good	7.629 \| good	34 \| good	48.131 \| good	0.361 \| good	0.474 \| good	0.183 \| good
2026-08-18T19:00:00.000Z	48 \| good	7.786 \| good	34.018 \| good	52.081 \| good	0.361 \| good	0.477 \| good	0.182 \| good
2026-08-18T20:00:00.000Z	50 \| good	8.423 \| good	36.942 \| good	54.225 \| good	0.367 \| good	0.493 \| good	0.182 \| good
2026-08-18T21:00:00.000Z	54 \| moderate	8.053 \| good	35.024 \| good	55.524 \| fine	0.371 \| good	0.601 \| good	0.183 \| good
2026-08-18T22:00:00.000Z	48 \| good	7.603 \| good	33.876 \| good	52.301 \| good	0.368 \| good	0.912 \| good	0.185 \| good
2026-08-18T23:00:00.000Z	44 \| good	8.131 \| good	35.916 \| good	37.148 \| good	0.359 \| good	2.795 \| good	0.207 \| good
2026-08-19T00:00:00.000Z	44 \| good	8.151 \| good	35.916 \| good	26.483 \| good	0.373 \| good	5.573 \| good	0.233 \| good
2026-08-19T01:00:00.000Z	52 \| moderate	9.711 \| good	43.027 \| good	22.844 \| good	0.384 \| good	7.298 \| good	0.246 \| good
2026-08-19T02:00:00.000Z	52 \| moderate	10.497 \| good	46.075 \| good	20.849 \| good	0.388 \| good	7.65 \| good	0.247 \| good
2026-08-19T03:00:00.000Z	52 \| moderate	9.72 \| good	43.043 \| good	25.097 \| good	0.404 \| good	9.332 \| good	0.258 \| good
2026-08-19T04:00:00.000Z	52 \| moderate	9.635 \| good	43.011 \| good	22.924 \| good	0.415 \| good	11.191 \| good	0.275 \| good
2026-08-19T05:00:00.000Z	52 \| moderate	10.411 \| good	45.982 \| good	22.271 \| good	0.412 \| good	12.105 \| good	0.287 \| good
2026-08-19T06:00:00.000Z	52 \| moderate	10.286 \| good	10.328 \| good	17.421 \| good	0.41 \| good	12.041 \| good	0.285 \| good
2026-08-19T07:00:00.000Z	52 \| moderate	9.946 \| good	44.02 \| good	14.04 \| good	0.41 \| good	13.095 \| good	0.294 \| good
2026-08-19T08:00:00.000Z	52 \| moderate	10.424 \| good	46.028 \| good	12.647 \| good	0.397 \| good	12.368 \| good	0.288 \| 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

Air quality levels in US

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

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 02:00:00, 2026-08-16.

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

The best air quality in Frederick, Maryland was observed at 06:00:00 on 2026-08-17.

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

The air quality in Frederick, Maryland right now is Good, with an AQI of 33.

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 5.56 μg/m³.

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

Frederick, Maryland currently has a PM₁₀ concentration of 16.563 μg/m³.

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

The current carbon monoxide (CO) level in Frederick, Maryland is 0.26 ppm.

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

The current sulfur dioxide (SO₂) concentration in Frederick, Maryland is 0.296 ppb.

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

Frederick, Maryland currently has an ozone (O₃) concentration of 16.201 ppm.

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

The current level of nitrogen dioxide (NO₂) in Frederick, Maryland is 4.648 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions