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

Frederick, Maryland currently has a PM10 concentration of 42.644 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Frederick, Maryland is 0.203 ppb.

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

Frederick, Maryland currently has an ozone (O3) concentration of 43.712 ppm.

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

The current level of nitrogen dioxide (NO2) in Frederick, Maryland is 4.021 ppb.

Current air quality index in Frederick, Maryland today

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

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)

7.03 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

51.30 μg/m³

155

255

425

605+

Ozone (O₃)

39.83 ppb

201

201+

Sulfur Dioxide (SO₂)

0.19 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 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
2025-07-25T05:00:00.000Z	54 \| moderate	10.571 \| good	50.575 \| good	27.104 \| good	0.384 \| good	3.439 \| good	0.281 \| good
2025-07-25T06:00:00.000Z	52 \| moderate	9.734 \| good	43.354 \| good	23.141 \| good	0.307 \| good	3.634 \| good	0.302 \| good
2025-07-25T07:00:00.000Z	52 \| moderate	9.572 \| good	37.541 \| good	19.203 \| good	0.549 \| good	3.307 \| good	0.284 \| good
2025-07-25T08:00:00.000Z	49 \| good	8.814 \| good	35.442 \| good	17.159 \| good	0.323 \| good	4.425 \| good	0.284 \| good
2025-07-25T09:00:00.000Z	54 \| moderate	10.684 \| good	46.269 \| good	14.207 \| good	0.227 \| good	4.984 \| good	0.263 \| good
2025-07-25T10:00:00.000Z	54 \| moderate	10.838 \| good	43.711 \| good	12.271 \| good	0.243 \| good	5.395 \| good	0.3 \| good
2025-07-25T11:00:00.000Z	52 \| moderate	9.645 \| good	40.015 \| good	12.287 \| good	0.241 \| good	5.624 \| good	0.3 \| good
2025-07-25T12:00:00.000Z	52 \| moderate	9.5 \| good	37.548 \| good	15.185 \| good	0.217 \| good	5.892 \| good	0.3 \| good
2025-07-25T13:00:00.000Z	54 \| moderate	10.718 \| good	45.62 \| good	19.102 \| good	0.204 \| good	6.371 \| good	0.341 \| good
2025-07-25T14:00:00.000Z	52 \| moderate	10.216 \| good	42.452 \| good	26.965 \| good	0.212 \| good	6.239 \| good	0.341 \| good
2025-07-25T15:00:00.000Z	52 \| moderate	10.235 \| good	39.608 \| good	33.914 \| good	0.278 \| good	3.285 \| good	0.321 \| good
2025-07-25T16:00:00.000Z	52 \| moderate	10.072 \| good	39.761 \| good	39.839 \| good	0.216 \| good	2.52 \| good	0.281 \| good
2025-07-25T17:00:00.000Z	54 \| moderate	11.211 \| good	49.459 \| good	45.776 \| good	0.253 \| good	2.247 \| good	0.262 \| good
2025-07-25T18:00:00.000Z	54 \| moderate	10.87 \| good	33.313 \| good	49.758 \| good	0.258 \| good	2.628 \| good	0.202 \| good
2025-07-25T19:00:00.000Z	52 \| moderate	10.215 \| good	41.748 \| good	48.882 \| good	0.217 \| good	2.259 \| good	0.202 \| good
2025-07-25T20:00:00.000Z	56 \| moderate	11.622 \| good	43.949 \| good	50.846 \| good	0.202 \| good	1.802 \| good	0.202 \| good
2025-07-25T21:00:00.000Z	52 \| moderate	10.379 \| good	34.415 \| good	48.867 \| good	0.173 \| good	1.853 \| good	0.202 \| good
2025-07-25T22:00:00.000Z	56 \| moderate	11.946 \| good	45.735 \| good	47.853 \| good	0.193 \| good	2.814 \| good	0.223 \| good
2025-07-25T23:00:00.000Z	56 \| moderate	11.969 \| good	41.092 \| good	44.881 \| good	0.227 \| good	3.069 \| good	0.223 \| good
2025-07-26T00:00:00.000Z	44 \| good	8.286 \| good	40.68 \| good	41.912 \| good	0.197 \| good	3.511 \| good	0.26 \| good
2025-07-26T01:00:00.000Z	38 \| good	7.056 \| good	28.987 \| good	38.929 \| good	0.206 \| good	2.131 \| good	0.202 \| good
2025-07-26T02:00:00.000Z	38 \| good	7.361 \| good	29.533 \| good	35.977 \| good	0.223 \| good	2.611 \| good	0.218 \| good
2025-07-26T03:00:00.000Z	44 \| good	8.384 \| good	35.809 \| good	31.018 \| good	0.214 \| good	3.735 \| good	0.219 \| good
2025-07-26T04:00:00.000Z	44 \| good	7.682 \| good	29.768 \| good	28.924 \| good	0.226 \| good	4.717 \| good	0.277 \| good
2025-07-26T05:00:00.000Z	49 \| good	9.099 \| good	44.083 \| good	24.941 \| good	0.23 \| good	5.522 \| good	0.315 \| good
2025-07-26T06:00:00.000Z	27 \| good	5.249 \| good	23.025 \| good	20.921 \| good	0.226 \| good	4.736 \| good	0.315 \| good
2025-07-26T07:00:00.000Z	27 \| good	5.022 \| good	23.365 \| good	17.889 \| good	0.167 \| good	3.884 \| good	0.274 \| good
2025-07-26T08:00:00.000Z	27 \| good	4.891 \| good	20.84 \| good	14.929 \| good	0.164 \| good	3.791 \| good	0.276 \| good
2025-07-26T09:00:00.000Z	38 \| good	6.855 \| good	25.904 \| good	12.018 \| good	0.205 \| good	7.081 \| good	0.258 \| good
2025-07-26T10:00:00.000Z	33 \| good	5.764 \| good	24.392 \| good	11.99 \| good	0.166 \| good	6.187 \| good	0.296 \| good
2025-07-26T11:00:00.000Z	33 \| good	5.948 \| good	29.052 \| good	12.97 \| good	0.211 \| good	5.518 \| good	0.277 \| good
2025-07-26T12:00:00.000Z	33 \| good	6.34 \| good	27.67 \| good	15.036 \| good	0.157 \| good	4.479 \| good	0.279 \| good
2025-07-26T13:00:00.000Z	44 \| good	7.831 \| good	35.957 \| good	20 \| good	0.196 \| good	3.067 \| good	0.241 \| good
2025-07-26T14:00:00.000Z	49 \| good	8.539 \| good	28.804 \| good	26.954 \| good	0.169 \| good	2.45 \| good	0.223 \| good
2025-07-26T15:00:00.000Z	44 \| good	8.029 \| good	27.106 \| good	32.921 \| good	0.285 \| good	1.682 \| good	0.221 \| good
2025-07-26T16:00:00.000Z	35 \| good	6.077 \| good	20.42 \| good	37.923 \| good	0.286 \| good	1.357 \| good	0.221 \| good
2025-07-26T17:00:00.000Z	40 \| good	6.77 \| good	24.888 \| good	42.867 \| good	0.196 \| good	1.508 \| good	0.202 \| good
2025-07-26T18:00:00.000Z	44 \| good	6.481 \| good	25.253 \| good	46.904 \| good	0.238 \| good	1.446 \| good	0.202 \| good
2025-07-26T19:00:00.000Z	44 \| good	5.539 \| good	24.189 \| good	47.949 \| good	0.131 \| good	2.736 \| good	0.202 \| good
2025-07-26T20:00:00.000Z	44 \| good	5.469 \| good	26.291 \| good	47.957 \| good	0.145 \| good	3.485 \| good	0.243 \| good
2025-07-26T21:00:00.000Z	44 \| good	6.313 \| good	21.376 \| good	46.967 \| good	0.14 \| good	2.5 \| good	0.243 \| good
2025-07-26T22:00:00.000Z	46 \| good	6.029 \| good	20.645 \| good	49.868 \| good	0.155 \| good	2.092 \| good	0.243 \| good
2025-07-26T23:00:00.000Z	81 \| moderate	5.868 \| good	114.551 \| fine	48.872 \| good	0.139 \| good	2.328 \| good	0.243 \| good
2025-07-27T00:00:00.000Z	72 \| moderate	6.76 \| good	96.532 \| fine	44.937 \| good	0.142 \| good	2.511 \| good	0.283 \| good
2025-07-27T01:00:00.000Z	41 \| good	6.641 \| good	26.989 \| good	43.892 \| good	0.206 \| good	2.578 \| good	0.322 \| good
2025-07-27T02:00:00.000Z	64 \| moderate	6.481 \| good	81.245 \| fine	39.932 \| good	0.173 \| good	3.694 \| good	0.282 \| good
2025-07-27T03:00:00.000Z	47 \| good	7.032 \| good	51.295 \| good	39.828 \| good	0.194 \| good	4.921 \| good	0.282 \| good
2025-07-27T04:00:00.000Z	47 \| good	7.032 \| good	51.295 \| good	39.828 \| good	0.194 \| good	4.921 \| good	0.282 \| good
2025-07-23T18:00:00.000Z	71 \| moderate	10.679 \| good	47.053 \| good	61.133 \| fine	1.165 \| good	0.922 \| good	0.196 \| good
2025-07-23T19:00:00.000Z	71 \| moderate	10.814 \| good	47.954 \| good	61.069 \| fine	1.151 \| good	1.027 \| good	0.197 \| good
2025-07-23T20:00:00.000Z	71 \| moderate	10.971 \| good	48.074 \| good	60.7 \| fine	1.138 \| good	1.132 \| good	0.198 \| good
2025-07-23T21:00:00.000Z	58 \| moderate	10.893 \| good	48.026 \| good	56.82 \| fine	1.125 \| good	1.237 \| good	0.199 \| good
2025-07-23T22:00:00.000Z	56 \| moderate	11.737 \| good	51.961 \| good	55.464 \| fine	1.235 \| good	2.187 \| good	0.208 \| good
2025-07-23T23:00:00.000Z	56 \| moderate	11.974 \| good	53.836 \| good	49.571 \| good	1.346 \| good	3.137 \| good	0.217 \| good
2025-07-24T00:00:00.000Z	56 \| moderate	12.005 \| good	53.836 \| good	39.183 \| good	1.457 \| good	4.087 \| good	0.225 \| good
2025-07-24T01:00:00.000Z	56 \| moderate	12.461 \| fine	56.835 \| fine	32.746 \| good	1.544 \| good	4.54 \| good	0.223 \| good
2025-07-24T02:00:00.000Z	54 \| moderate	11.295 \| good	50.064 \| good	30.554 \| good	1.631 \| good	4.994 \| good	0.221 \| good
2025-07-24T03:00:00.000Z	52 \| moderate	10.358 \| good	45.975 \| good	23.664 \| good	1.719 \| good	5.447 \| good	0.219 \| good
2025-07-24T04:00:00.000Z	49 \| good	9.351 \| good	41.867 \| good	21.006 \| good	1.552 \| good	4.947 \| good	0.209 \| good
2025-07-24T05:00:00.000Z	44 \| good	8.466 \| good	37.022 \| good	19.574 \| good	1.386 \| good	4.446 \| good	0.2 \| good
2025-07-24T06:00:00.000Z	44 \| good	7.898 \| good	34.901 \| good	18.276 \| good	1.22 \| good	3.946 \| good	0.19 \| good
2025-07-24T07:00:00.000Z	44 \| good	7.717 \| good	33.978 \| good	15.48 \| good	1.136 \| good	3.726 \| good	0.187 \| good
2025-07-24T08:00:00.000Z	38 \| good	7.492 \| good	33.012 \| good	12.73 \| good	1.052 \| good	3.507 \| good	0.183 \| good
2025-07-24T09:00:00.000Z	38 \| good	7.081 \| good	31.052 \| good	12.018 \| good	0.968 \| good	3.287 \| good	0.18 \| good
2025-07-24T10:00:00.000Z	44 \| good	7.799 \| good	34.013 \| good	13.106 \| good	1.02 \| good	3.175 \| good	0.182 \| good
2025-07-24T11:00:00.000Z	44 \| good	8.263 \| good	36.087 \| good	19.277 \| good	1.072 \| good	3.063 \| good	0.185 \| good
2025-07-24T12:00:00.000Z	44 \| good	8.125 \| good	36.002 \| good	22.874 \| good	1.123 \| good	2.951 \| good	0.188 \| good
2025-07-24T13:00:00.000Z	49 \| good	8.742 \| good	38.038 \| good	29.699 \| good	1.072 \| good	2.382 \| good	0.188 \| good
2025-07-24T14:00:00.000Z	49 \| good	9.027 \| good	40.769 \| good	36.131 \| good	1.021 \| good	1.813 \| good	0.189 \| good
2025-07-24T15:00:00.000Z	52 \| moderate	9.591 \| good	42.915 \| good	42.794 \| good	0.969 \| good	1.244 \| good	0.19 \| good
2025-07-24T16:00:00.000Z	49 \| good	9.182 \| good	40.956 \| good	50.208 \| good	0.868 \| good	1.104 \| good	0.191 \| good
2025-07-24T17:00:00.000Z	54 \| moderate	9.193 \| good	40.932 \| good	55.971 \| fine	0.766 \| good	0.964 \| good	0.193 \| good
2025-07-24T18:00:00.000Z	58 \| moderate	9.023 \| good	40.822 \| good	57.108 \| fine	0.664 \| good	0.823 \| good	0.194 \| good
2025-07-24T19:00:00.000Z	54 \| moderate	8.901 \| good	39.013 \| good	55.643 \| fine	0.653 \| good	0.914 \| good	0.197 \| good
2025-07-24T20:00:00.000Z	51 \| moderate	9.171 \| good	40.902 \| good	55.289 \| fine	0.642 \| good	1.005 \| good	0.199 \| good
2025-07-24T21:00:00.000Z	52 \| moderate	10.483 \| good	46.023 \| good	52.883 \| good	0.632 \| good	1.095 \| good	0.201 \| good
2025-07-24T22:00:00.000Z	54 \| moderate	11.308 \| good	49.925 \| good	48.391 \| good	0.659 \| good	1.863 \| good	0.209 \| good
2025-07-24T23:00:00.000Z	56 \| moderate	12.028 \| good	53.909 \| good	45.822 \| good	0.686 \| good	2.63 \| good	0.217 \| good
2025-07-25T00:00:00.000Z	54 \| moderate	11.433 \| good	50.818 \| good	37.788 \| good	0.714 \| good	3.397 \| good	0.225 \| good
2025-07-25T01:00:00.000Z	54 \| moderate	11.076 \| good	48.925 \| good	33.114 \| good	0.722 \| good	3.689 \| good	0.228 \| good
2025-07-25T02:00:00.000Z	54 \| moderate	10.536 \| good	46.907 \| good	28.668 \| good	0.73 \| good	3.98 \| good	0.23 \| good
2025-07-25T03:00:00.000Z	44 \| good	7.802 \| good	34.053 \| good	23.367 \| good	0.738 \| good	4.272 \| good	0.233 \| good
2025-07-25T04:00:00.000Z	38 \| good	7.458 \| good	33.006 \| good	22.413 \| good	0.729 \| good	3.982 \| good	0.232 \| good
2025-07-25T05:00:00.000Z	49 \| good	8.916 \| good	39.093 \| good	21.953 \| good	0.719 \| good	3.692 \| good	0.231 \| good
2025-07-25T06:00:00.000Z	49 \| good	8.869 \| good	39.133 \| good	19.946 \| good	0.709 \| good	3.402 \| good	0.23 \| good
2025-07-25T07:00:00.000Z	49 \| good	9.238 \| good	41.046 \| good	18.297 \| good	0.723 \| good	3.211 \| good	0.229 \| good
2025-07-25T08:00:00.000Z	49 \| good	9.054 \| good	40.887 \| good	14.567 \| good	0.736 \| good	3.021 \| good	0.228 \| good
2025-07-25T09:00:00.000Z	49 \| good	8.514 \| good	37 \| good	12.003 \| good	0.749 \| good	2.83 \| good	0.226 \| good
2025-07-25T10:00:00.000Z	44 \| good	8.436 \| good	37.008 \| good	11.913 \| good	0.76 \| good	2.838 \| good	0.232 \| good
2025-07-25T11:00:00.000Z	49 \| good	9.107 \| good	40.936 \| good	16.423 \| good	0.771 \| good	2.846 \| good	0.238 \| good
2025-07-25T12:00:00.000Z	52 \| moderate	10.185 \| good	45.065 \| good	24.027 \| good	0.783 \| good	2.855 \| good	0.244 \| good
2025-07-25T13:00:00.000Z	54 \| moderate	11.017 \| good	48.91 \| good	30.917 \| good	1.375 \| good	2.457 \| good	0.243 \| good
2025-07-25T14:00:00.000Z	54 \| moderate	11.474 \| good	50.902 \| good	40.231 \| good	1.967 \| good	2.06 \| good	0.243 \| good
2025-07-25T15:00:00.000Z	56 \| moderate	12.001 \| good	53.877 \| good	50.176 \| good	2.559 \| good	1.663 \| good	0.242 \| good
2025-07-25T16:00:00.000Z	56 \| moderate	11.541 \| good	50.944 \| good	54.027 \| good	2.652 \| good	1.441 \| good	0.229 \| good
2025-07-25T17:00:00.000Z	54 \| moderate	10.797 \| good	47.972 \| good	55.153 \| fine	2.744 \| good	1.219 \| good	0.217 \| good

Frederick

Empower business decisions with accurate air quality data

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

0.29ppm

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 04:00:00, 2025-07-23.

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

The best air quality in Frederick, Maryland was observed at 05:00:00 on 2025-07-22.

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

The air quality in Frederick, Maryland right now is Moderate, with an AQI of 58.

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 12.518 μg/m³.

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

Frederick, Maryland currently has a PM₁₀ concentration of 42.644 μg/m³.

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

The current carbon monoxide (CO) level in Frederick, Maryland is 0.283 ppm.

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

The current sulfur dioxide (SO₂) concentration in Frederick, Maryland is 0.203 ppb.

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

Frederick, Maryland currently has an ozone (O₃) concentration of 43.712 ppm.

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

The current level of nitrogen dioxide (NO₂) in Frederick, Maryland is 4.021 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions