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

Potomac, Maryland currently has a PM10 concentration of 36.513 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Potomac, Maryland is 0.239 ppb.

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

Potomac, Maryland currently has an ozone (O3) concentration of 12.17 ppm.

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

The current level of nitrogen dioxide (NO2) in Potomac, Maryland is 10.668 ppb.

Current air quality index in Potomac, Maryland today

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

Stay updated with real-time air quality in Potomac, 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

Potomac, Maryland

Last updated: ... (Local time)

Common air pollutants in Potomac, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.49 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.38 μg/m³

155

255

425

605+

Ozone (O₃)

26.58 ppb

201

201+

Sulfur Dioxide (SO₂)

0.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.85 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Potomac, Maryland

Get Live Pollen Counts

Potomac, Maryland

Scroll To Air Quality Map

Track live Potomac, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-26T01:00:00.000Z	39 \| good	7.325 \| good	32.63 \| good	42.176 \| good	0.174 \| good	4.573 \| good	0.217 \| good
2025-07-26T02:00:00.000Z	33 \| good	6.073 \| good	29.884 \| good	33.384 \| good	0.161 \| good	6.042 \| good	0.243 \| good
2025-07-26T03:00:00.000Z	38 \| good	6.992 \| good	33.414 \| good	34.357 \| good	0.122 \| good	6.152 \| good	0.243 \| good
2025-07-26T04:00:00.000Z	38 \| good	6.886 \| good	28.688 \| good	31.376 \| good	0.138 \| good	7.845 \| good	0.299 \| good
2025-07-26T05:00:00.000Z	44 \| good	7.533 \| good	21.017 \| good	28.834 \| good	0.179 \| good	10.194 \| good	0.34 \| good
2025-07-26T06:00:00.000Z	33 \| good	6.33 \| good	27.521 \| good	22.697 \| good	0.164 \| good	9.335 \| good	0.34 \| good
2025-07-26T07:00:00.000Z	44 \| good	7.86 \| good	22.26 \| good	22.301 \| good	0.122 \| good	6.784 \| good	0.306 \| good
2025-07-26T08:00:00.000Z	49 \| good	8.935 \| good	38.457 \| good	18.945 \| good	0.114 \| good	7.674 \| good	0.313 \| good
2025-07-26T09:00:00.000Z	38 \| good	7.449 \| good	29.567 \| good	16.802 \| good	0.124 \| good	6.406 \| good	0.293 \| good
2025-07-26T10:00:00.000Z	33 \| good	6.281 \| good	27.307 \| good	14.542 \| good	0.124 \| good	7.052 \| good	0.32 \| good
2025-07-26T11:00:00.000Z	33 \| good	6.361 \| good	21.188 \| good	13.53 \| good	0.152 \| good	7.475 \| good	0.297 \| good
2025-07-26T12:00:00.000Z	38 \| good	6.58 \| good	25.708 \| good	20.883 \| good	0.142 \| good	8.164 \| good	0.292 \| good
2025-07-26T13:00:00.000Z	44 \| good	8.072 \| good	37.418 \| good	18.436 \| good	0.16 \| good	8.153 \| good	0.252 \| good
2025-07-26T14:00:00.000Z	44 \| good	8.071 \| good	30.511 \| good	27.572 \| good	0.157 \| good	6.743 \| good	0.232 \| good
2025-07-26T15:00:00.000Z	44 \| good	7.635 \| good	26.493 \| good	29.442 \| good	0.329 \| good	6.623 \| good	0.237 \| good
2025-07-26T16:00:00.000Z	38 \| good	6.632 \| good	22.055 \| good	37.352 \| good	0.344 \| good	5.175 \| good	0.237 \| good
2025-07-26T17:00:00.000Z	44 \| good	7.748 \| good	23.993 \| good	40.454 \| good	0.203 \| good	3.749 \| good	0.217 \| good
2025-07-26T18:00:00.000Z	41 \| good	6.732 \| good	26.158 \| good	44.077 \| good	0.201 \| good	3.067 \| good	0.217 \| good
2025-07-26T19:00:00.000Z	45 \| good	5.915 \| good	26.159 \| good	48.534 \| good	0.117 \| good	3.369 \| good	0.217 \| good
2025-07-26T20:00:00.000Z	44 \| good	6.385 \| good	18.203 \| good	48.305 \| good	0.125 \| good	3.783 \| good	0.25 \| good
2025-07-26T21:00:00.000Z	46 \| good	6.214 \| good	17.977 \| good	50.101 \| good	0.281 \| good	2.548 \| good	0.25 \| good
2025-07-26T22:00:00.000Z	45 \| good	6.74 \| good	21.241 \| good	49.382 \| good	0.311 \| good	3.152 \| good	0.25 \| good
2025-07-26T23:00:00.000Z	39 \| good	5.995 \| good	32.05 \| good	42.175 \| good	0.13 \| good	4.313 \| good	0.25 \| good
2025-07-27T00:00:00.000Z	47 \| good	7.612 \| good	50.614 \| good	43.797 \| good	0.123 \| good	6.352 \| good	0.287 \| good
2025-07-27T01:00:00.000Z	49 \| good	9.487 \| good	34.847 \| good	41.747 \| good	0.202 \| good	8.743 \| good	0.323 \| good
2025-07-27T02:00:00.000Z	44 \| good	7.785 \| good	33.008 \| good	44.465 \| good	0.168 \| good	6.223 \| good	0.286 \| good
2025-07-27T03:00:00.000Z	54 \| moderate	10.743 \| good	56.544 \| fine	38.567 \| good	0.175 \| good	4.802 \| good	0.286 \| good
2025-07-27T04:00:00.000Z	70 \| moderate	7.551 \| good	93.807 \| fine	33.752 \| good	0.28 \| good	3.358 \| good	0.272 \| good
2025-07-27T05:00:00.000Z	54 \| moderate	11.385 \| good	37.086 \| good	32.063 \| good	0.17 \| good	3.367 \| good	0.314 \| good
2025-07-27T06:00:00.000Z	54 \| moderate	11.308 \| good	61.211 \| fine	30.628 \| good	0.191 \| good	2.668 \| good	0.286 \| good
2025-07-27T07:00:00.000Z	52 \| moderate	10.175 \| good	41.665 \| good	31.457 \| good	0.142 \| good	2.161 \| good	0.237 \| good
2025-07-27T08:00:00.000Z	68 \| moderate	9.538 \| good	89.065 \| fine	30.135 \| good	0.195 \| good	2.525 \| good	0.237 \| good
2025-07-27T09:00:00.000Z	73 \| moderate	11.683 \| good	100.461 \| fine	35.138 \| good	0.251 \| good	2.327 \| good	0.237 \| good
2025-07-27T10:00:00.000Z	72 \| moderate	9.264 \| good	98.067 \| fine	22.806 \| good	0.253 \| good	2.425 \| good	0.237 \| good
2025-07-27T11:00:00.000Z	91 \| moderate	11.09 \| good	134.845 \| fine	28.319 \| good	0.226 \| good	2.926 \| good	0.25 \| good
2025-07-27T12:00:00.000Z	52 \| moderate	10.45 \| good	48.456 \| good	32.047 \| good	0.24 \| good	3.347 \| good	0.27 \| good
2025-07-27T13:00:00.000Z	54 \| moderate	10.593 \| good	52.095 \| good	37.913 \| good	0.157 \| good	3.52 \| good	0.25 \| good
2025-07-27T14:00:00.000Z	49 \| good	8.767 \| good	36.928 \| good	28.856 \| good	0.227 \| good	3.125 \| good	0.217 \| good
2025-07-27T15:00:00.000Z	44 \| good	8.335 \| good	37.102 \| good	30.663 \| good	0.238 \| good	2.16 \| good	0.232 \| good
2025-07-27T16:00:00.000Z	49 \| good	9.214 \| good	23.89 \| good	38.605 \| good	0.135 \| good	2.22 \| good	0.232 \| good
2025-07-27T17:00:00.000Z	54 \| moderate	11.044 \| good	47.619 \| good	40.985 \| good	0.332 \| good	2.426 \| good	0.217 \| good
2025-07-27T18:00:00.000Z	44 \| good	7.742 \| good	31.102 \| good	39.403 \| good	0.158 \| good	1.847 \| good	0.217 \| good
2025-07-27T19:00:00.000Z	38 \| good	7.302 \| good	29.77 \| good	36.145 \| good	0.112 \| good	2.09 \| good	0.217 \| good
2025-07-27T20:00:00.000Z	31 \| good	4.79 \| good	21.75 \| good	34.422 \| good	0.119 \| good	3.123 \| good	0.25 \| good
2025-07-27T21:00:00.000Z	33 \| good	5.257 \| good	23.387 \| good	36.138 \| good	0.205 \| good	4.302 \| good	0.257 \| good
2025-07-27T22:00:00.000Z	33 \| good	4.933 \| good	23.348 \| good	36.245 \| good	0.148 \| good	3.258 \| good	0.262 \| good
2025-07-27T23:00:00.000Z	28 \| good	3.77 \| good	17.108 \| good	30.483 \| good	0.165 \| good	4.513 \| good	0.294 \| good
2025-07-28T00:00:00.000Z	25 \| good	3.491 \| good	14.384 \| good	26.582 \| good	0.263 \| good	5.853 \| good	0.294 \| good
2025-07-28T00:00:00.000Z	25 \| good	3.491 \| good	14.384 \| good	26.582 \| good	0.263 \| good	5.853 \| good	0.294 \| good
2025-07-22T13:00:00.000Z	27 \| good	4.764 \| good	20.98 \| good	16.53 \| good	1.64 \| good	3.416 \| good	0.187 \| good
2025-07-22T14:00:00.000Z	20 \| good	3.375 \| good	14.948 \| good	22.274 \| good	1.742 \| good	2.861 \| good	0.183 \| good
2025-07-22T15:00:00.000Z	25 \| good	3.386 \| good	14.854 \| good	26.839 \| good	1.844 \| good	2.306 \| good	0.178 \| good
2025-07-22T16:00:00.000Z	27 \| good	3.013 \| good	12.483 \| good	29.162 \| good	1.844 \| good	1.951 \| good	0.181 \| good
2025-07-22T17:00:00.000Z	33 \| good	4.441 \| good	19.152 \| good	36.329 \| good	1.843 \| good	1.595 \| good	0.185 \| good
2025-07-22T18:00:00.000Z	36 \| good	5.322 \| good	23.143 \| good	39.351 \| good	1.842 \| good	1.24 \| good	0.189 \| good
2025-07-22T19:00:00.000Z	38 \| good	7.271 \| good	32.104 \| good	40.471 \| good	1.856 \| good	1.343 \| good	0.191 \| good
2025-07-22T20:00:00.000Z	44 \| good	8.321 \| good	36.643 \| good	41.398 \| good	1.87 \| good	1.446 \| good	0.194 \| good
2025-07-22T21:00:00.000Z	38 \| good	7.201 \| good	31.951 \| good	40.244 \| good	1.884 \| good	1.548 \| good	0.197 \| good
2025-07-22T22:00:00.000Z	35 \| good	4.404 \| good	19.063 \| good	37.735 \| good	1.915 \| good	4.1 \| good	0.225 \| good
2025-07-22T23:00:00.000Z	33 \| good	2.817 \| good	11.614 \| good	35.912 \| good	1.946 \| good	6.651 \| good	0.252 \| good
2025-07-23T00:00:00.000Z	27 \| good	4.736 \| good	20.327 \| good	25.93 \| good	1.977 \| good	9.202 \| good	0.28 \| good
2025-07-23T01:00:00.000Z	38 \| good	7.386 \| good	32.197 \| good	18.956 \| good	2.049 \| good	9.605 \| good	0.281 \| good
2025-07-23T02:00:00.000Z	54 \| moderate	10.731 \| good	47.512 \| good	15.295 \| good	2.121 \| good	10.009 \| good	0.282 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	11.2 \| good	49.615 \| good	14.405 \| good	2.193 \| good	10.413 \| good	0.283 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	11.354 \| good	50.562 \| good	10.326 \| good	2.076 \| good	9.911 \| good	0.276 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.052 \| good	49.257 \| good	11.994 \| good	1.958 \| good	9.409 \| good	0.269 \| good
2025-07-23T06:00:00.000Z	52 \| moderate	10.097 \| good	44.597 \| good	9.996 \| good	1.84 \| good	8.907 \| good	0.262 \| good
2025-07-23T07:00:00.000Z	52 \| moderate	9.739 \| good	43.046 \| good	5.509 \| good	1.779 \| good	8.724 \| good	0.259 \| good
2025-07-23T08:00:00.000Z	49 \| good	8.811 \| good	38.592 \| good	4.287 \| good	1.719 \| good	8.54 \| good	0.256 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	11.51 \| good	50.686 \| good	2.633 \| good	1.658 \| good	8.357 \| good	0.253 \| good
2025-07-23T10:00:00.000Z	54 \| moderate	10.815 \| good	48.021 \| good	3.382 \| good	1.687 \| good	8.093 \| good	0.259 \| good
2025-07-23T11:00:00.000Z	49 \| good	8.651 \| good	38.222 \| good	4.976 \| good	1.715 \| good	7.829 \| good	0.265 \| good
2025-07-23T12:00:00.000Z	38 \| good	7.33 \| good	32.083 \| good	11.466 \| good	1.744 \| good	7.565 \| good	0.271 \| good
2025-07-23T13:00:00.000Z	44 \| good	7.627 \| good	33.67 \| good	19.962 \| good	1.874 \| good	5.724 \| good	0.252 \| good
2025-07-23T14:00:00.000Z	38 \| good	6.584 \| good	29.325 \| good	31.884 \| good	2.004 \| good	3.882 \| good	0.232 \| good
2025-07-23T15:00:00.000Z	49 \| good	8.582 \| good	37.841 \| good	42.797 \| good	2.133 \| good	2.041 \| good	0.213 \| good
2025-07-23T16:00:00.000Z	49 \| good	8.59 \| good	37.781 \| good	48.751 \| good	2.062 \| good	1.771 \| good	0.21 \| good
2025-07-23T17:00:00.000Z	52 \| moderate	9.686 \| good	42.706 \| good	54.148 \| good	1.99 \| good	1.501 \| good	0.208 \| good
2025-07-23T18:00:00.000Z	74 \| moderate	10.134 \| good	44.672 \| good	61.826 \| fine	1.918 \| good	1.231 \| good	0.206 \| good
2025-07-23T19:00:00.000Z	74 \| moderate	10.096 \| good	44.756 \| good	61.624 \| fine	1.9 \| good	1.418 \| good	0.207 \| good
2025-07-23T20:00:00.000Z	74 \| moderate	10.804 \| good	47.763 \| good	62.199 \| fine	1.882 \| good	1.605 \| good	0.209 \| good
2025-07-23T21:00:00.000Z	67 \| moderate	8.225 \| good	36.409 \| good	60.315 \| fine	1.863 \| good	1.791 \| good	0.21 \| good
2025-07-23T22:00:00.000Z	49 \| good	9.218 \| good	41.081 \| good	53.441 \| good	1.943 \| good	3.574 \| good	0.225 \| good
2025-07-23T23:00:00.000Z	40 \| good	7.176 \| good	31.767 \| good	42.902 \| good	2.022 \| good	5.356 \| good	0.239 \| good
2025-07-24T00:00:00.000Z	44 \| good	7.93 \| good	34.869 \| good	35.328 \| good	2.102 \| good	7.139 \| good	0.254 \| good
2025-07-24T01:00:00.000Z	49 \| good	9.25 \| good	40.911 \| good	27.006 \| good	2.048 \| good	7.35 \| good	0.246 \| good
2025-07-24T02:00:00.000Z	49 \| good	9.335 \| good	41.318 \| good	17.475 \| good	1.994 \| good	7.562 \| good	0.239 \| good
2025-07-24T03:00:00.000Z	38 \| good	6.861 \| good	30.406 \| good	15.566 \| good	1.941 \| good	7.773 \| good	0.231 \| good
2025-07-24T04:00:00.000Z	33 \| good	5.695 \| good	24.773 \| good	11.64 \| good	1.775 \| good	6.988 \| good	0.224 \| good
2025-07-24T05:00:00.000Z	22 \| good	4.181 \| good	17.975 \| good	9.433 \| good	1.609 \| good	6.204 \| good	0.217 \| good
2025-07-24T06:00:00.000Z	58 \| moderate	12.65 \| fine	13.044 \| good	36.758 \| good	1.445 \| good	5.428 \| good	0.209 \| good
2025-07-24T07:00:00.000Z	38 \| good	6.718 \| good	29.987 \| good	7.138 \| good	1.433 \| good	5.026 \| good	0.207 \| good
2025-07-24T08:00:00.000Z	27 \| good	4.853 \| good	21.153 \| good	6.944 \| good	1.422 \| good	4.632 \| good	0.205 \| good
2025-07-24T09:00:00.000Z	38 \| good	7.055 \| good	31.079 \| good	5.383 \| good	1.411 \| good	4.238 \| good	0.203 \| good
2025-07-24T10:00:00.000Z	38 \| good	7.415 \| good	32.456 \| good	7.461 \| good	1.491 \| good	4.255 \| good	0.21 \| good
2025-07-24T11:00:00.000Z	38 \| good	7.227 \| good	32.014 \| good	11.914 \| good	1.57 \| good	4.272 \| good	0.218 \| good
2025-07-24T12:00:00.000Z	58 \| moderate	13.288 \| fine	13.67 \| good	35.437 \| good	1.65 \| good	4.288 \| good	0.225 \| good

Potomac

Empower business decisions with accurate air quality data

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

0.30ppm

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 Potomac, Maryland get updated?

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

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

Potomac, Maryland experienced its worst air quality at 03:00:00, 2025-07-22.

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

The best air quality in Potomac, Maryland was observed at 03:00:00 on 2025-07-21.

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

The air quality in Potomac, Maryland right now is Moderate, with an AQI of 54.

What pollutant is most frequently found in Potomac, Maryland?

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

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

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

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

Potomac, Maryland currently has a PM_2.5 concentration of 10.598 μg/m³.

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

Potomac, Maryland currently has a PM₁₀ concentration of 36.513 μg/m³.

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

The current carbon monoxide (CO) level in Potomac, Maryland is 0.295 ppm.

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

The current sulfur dioxide (SO₂) concentration in Potomac, Maryland is 0.239 ppb.

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

Potomac, Maryland currently has an ozone (O₃) concentration of 12.17 ppm.

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

The current level of nitrogen dioxide (NO₂) in Potomac, Maryland is 10.668 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-26T01:00:00.000Z	39 \| good	7.325 \| good	32.63 \| good	42.176 \| good	0.174 \| good	4.573 \| good	0.217 \| good
2025-07-26T02:00:00.000Z	33 \| good	6.073 \| good	29.884 \| good	33.384 \| good	0.161 \| good	6.042 \| good	0.243 \| good
2025-07-26T03:00:00.000Z	38 \| good	6.992 \| good	33.414 \| good	34.357 \| good	0.122 \| good	6.152 \| good	0.243 \| good
2025-07-26T04:00:00.000Z	38 \| good	6.886 \| good	28.688 \| good	31.376 \| good	0.138 \| good	7.845 \| good	0.299 \| good
2025-07-26T05:00:00.000Z	44 \| good	7.533 \| good	21.017 \| good	28.834 \| good	0.179 \| good	10.194 \| good	0.34 \| good
2025-07-26T06:00:00.000Z	33 \| good	6.33 \| good	27.521 \| good	22.697 \| good	0.164 \| good	9.335 \| good	0.34 \| good
2025-07-26T07:00:00.000Z	44 \| good	7.86 \| good	22.26 \| good	22.301 \| good	0.122 \| good	6.784 \| good	0.306 \| good
2025-07-26T08:00:00.000Z	49 \| good	8.935 \| good	38.457 \| good	18.945 \| good	0.114 \| good	7.674 \| good	0.313 \| good
2025-07-26T09:00:00.000Z	38 \| good	7.449 \| good	29.567 \| good	16.802 \| good	0.124 \| good	6.406 \| good	0.293 \| good
2025-07-26T10:00:00.000Z	33 \| good	6.281 \| good	27.307 \| good	14.542 \| good	0.124 \| good	7.052 \| good	0.32 \| good
2025-07-26T11:00:00.000Z	33 \| good	6.361 \| good	21.188 \| good	13.53 \| good	0.152 \| good	7.475 \| good	0.297 \| good
2025-07-26T12:00:00.000Z	38 \| good	6.58 \| good	25.708 \| good	20.883 \| good	0.142 \| good	8.164 \| good	0.292 \| good
2025-07-26T13:00:00.000Z	44 \| good	8.072 \| good	37.418 \| good	18.436 \| good	0.16 \| good	8.153 \| good	0.252 \| good
2025-07-26T14:00:00.000Z	44 \| good	8.071 \| good	30.511 \| good	27.572 \| good	0.157 \| good	6.743 \| good	0.232 \| good
2025-07-26T15:00:00.000Z	44 \| good	7.635 \| good	26.493 \| good	29.442 \| good	0.329 \| good	6.623 \| good	0.237 \| good
2025-07-26T16:00:00.000Z	38 \| good	6.632 \| good	22.055 \| good	37.352 \| good	0.344 \| good	5.175 \| good	0.237 \| good
2025-07-26T17:00:00.000Z	44 \| good	7.748 \| good	23.993 \| good	40.454 \| good	0.203 \| good	3.749 \| good	0.217 \| good
2025-07-26T18:00:00.000Z	41 \| good	6.732 \| good	26.158 \| good	44.077 \| good	0.201 \| good	3.067 \| good	0.217 \| good
2025-07-26T19:00:00.000Z	45 \| good	5.915 \| good	26.159 \| good	48.534 \| good	0.117 \| good	3.369 \| good	0.217 \| good
2025-07-26T20:00:00.000Z	44 \| good	6.385 \| good	18.203 \| good	48.305 \| good	0.125 \| good	3.783 \| good	0.25 \| good
2025-07-26T21:00:00.000Z	46 \| good	6.214 \| good	17.977 \| good	50.101 \| good	0.281 \| good	2.548 \| good	0.25 \| good
2025-07-26T22:00:00.000Z	45 \| good	6.74 \| good	21.241 \| good	49.382 \| good	0.311 \| good	3.152 \| good	0.25 \| good
2025-07-26T23:00:00.000Z	39 \| good	5.995 \| good	32.05 \| good	42.175 \| good	0.13 \| good	4.313 \| good	0.25 \| good
2025-07-27T00:00:00.000Z	47 \| good	7.612 \| good	50.614 \| good	43.797 \| good	0.123 \| good	6.352 \| good	0.287 \| good
2025-07-27T01:00:00.000Z	49 \| good	9.487 \| good	34.847 \| good	41.747 \| good	0.202 \| good	8.743 \| good	0.323 \| good
2025-07-27T02:00:00.000Z	44 \| good	7.785 \| good	33.008 \| good	44.465 \| good	0.168 \| good	6.223 \| good	0.286 \| good
2025-07-27T03:00:00.000Z	54 \| moderate	10.743 \| good	56.544 \| fine	38.567 \| good	0.175 \| good	4.802 \| good	0.286 \| good
2025-07-27T04:00:00.000Z	70 \| moderate	7.551 \| good	93.807 \| fine	33.752 \| good	0.28 \| good	3.358 \| good	0.272 \| good
2025-07-27T05:00:00.000Z	54 \| moderate	11.385 \| good	37.086 \| good	32.063 \| good	0.17 \| good	3.367 \| good	0.314 \| good
2025-07-27T06:00:00.000Z	54 \| moderate	11.308 \| good	61.211 \| fine	30.628 \| good	0.191 \| good	2.668 \| good	0.286 \| good
2025-07-27T07:00:00.000Z	52 \| moderate	10.175 \| good	41.665 \| good	31.457 \| good	0.142 \| good	2.161 \| good	0.237 \| good
2025-07-27T08:00:00.000Z	68 \| moderate	9.538 \| good	89.065 \| fine	30.135 \| good	0.195 \| good	2.525 \| good	0.237 \| good
2025-07-27T09:00:00.000Z	73 \| moderate	11.683 \| good	100.461 \| fine	35.138 \| good	0.251 \| good	2.327 \| good	0.237 \| good
2025-07-27T10:00:00.000Z	72 \| moderate	9.264 \| good	98.067 \| fine	22.806 \| good	0.253 \| good	2.425 \| good	0.237 \| good
2025-07-27T11:00:00.000Z	91 \| moderate	11.09 \| good	134.845 \| fine	28.319 \| good	0.226 \| good	2.926 \| good	0.25 \| good
2025-07-27T12:00:00.000Z	52 \| moderate	10.45 \| good	48.456 \| good	32.047 \| good	0.24 \| good	3.347 \| good	0.27 \| good
2025-07-27T13:00:00.000Z	54 \| moderate	10.593 \| good	52.095 \| good	37.913 \| good	0.157 \| good	3.52 \| good	0.25 \| good
2025-07-27T14:00:00.000Z	49 \| good	8.767 \| good	36.928 \| good	28.856 \| good	0.227 \| good	3.125 \| good	0.217 \| good
2025-07-27T15:00:00.000Z	44 \| good	8.335 \| good	37.102 \| good	30.663 \| good	0.238 \| good	2.16 \| good	0.232 \| good
2025-07-27T16:00:00.000Z	49 \| good	9.214 \| good	23.89 \| good	38.605 \| good	0.135 \| good	2.22 \| good	0.232 \| good
2025-07-27T17:00:00.000Z	54 \| moderate	11.044 \| good	47.619 \| good	40.985 \| good	0.332 \| good	2.426 \| good	0.217 \| good
2025-07-27T18:00:00.000Z	44 \| good	7.742 \| good	31.102 \| good	39.403 \| good	0.158 \| good	1.847 \| good	0.217 \| good
2025-07-27T19:00:00.000Z	38 \| good	7.302 \| good	29.77 \| good	36.145 \| good	0.112 \| good	2.09 \| good	0.217 \| good
2025-07-27T20:00:00.000Z	31 \| good	4.79 \| good	21.75 \| good	34.422 \| good	0.119 \| good	3.123 \| good	0.25 \| good
2025-07-27T21:00:00.000Z	33 \| good	5.257 \| good	23.387 \| good	36.138 \| good	0.205 \| good	4.302 \| good	0.257 \| good
2025-07-27T22:00:00.000Z	33 \| good	4.933 \| good	23.348 \| good	36.245 \| good	0.148 \| good	3.258 \| good	0.262 \| good
2025-07-27T23:00:00.000Z	28 \| good	3.77 \| good	17.108 \| good	30.483 \| good	0.165 \| good	4.513 \| good	0.294 \| good
2025-07-28T00:00:00.000Z	25 \| good	3.491 \| good	14.384 \| good	26.582 \| good	0.263 \| good	5.853 \| good	0.294 \| good
2025-07-28T00:00:00.000Z	25 \| good	3.491 \| good	14.384 \| good	26.582 \| good	0.263 \| good	5.853 \| good	0.294 \| good
2025-07-22T13:00:00.000Z	27 \| good	4.764 \| good	20.98 \| good	16.53 \| good	1.64 \| good	3.416 \| good	0.187 \| good
2025-07-22T14:00:00.000Z	20 \| good	3.375 \| good	14.948 \| good	22.274 \| good	1.742 \| good	2.861 \| good	0.183 \| good
2025-07-22T15:00:00.000Z	25 \| good	3.386 \| good	14.854 \| good	26.839 \| good	1.844 \| good	2.306 \| good	0.178 \| good
2025-07-22T16:00:00.000Z	27 \| good	3.013 \| good	12.483 \| good	29.162 \| good	1.844 \| good	1.951 \| good	0.181 \| good
2025-07-22T17:00:00.000Z	33 \| good	4.441 \| good	19.152 \| good	36.329 \| good	1.843 \| good	1.595 \| good	0.185 \| good
2025-07-22T18:00:00.000Z	36 \| good	5.322 \| good	23.143 \| good	39.351 \| good	1.842 \| good	1.24 \| good	0.189 \| good
2025-07-22T19:00:00.000Z	38 \| good	7.271 \| good	32.104 \| good	40.471 \| good	1.856 \| good	1.343 \| good	0.191 \| good
2025-07-22T20:00:00.000Z	44 \| good	8.321 \| good	36.643 \| good	41.398 \| good	1.87 \| good	1.446 \| good	0.194 \| good
2025-07-22T21:00:00.000Z	38 \| good	7.201 \| good	31.951 \| good	40.244 \| good	1.884 \| good	1.548 \| good	0.197 \| good
2025-07-22T22:00:00.000Z	35 \| good	4.404 \| good	19.063 \| good	37.735 \| good	1.915 \| good	4.1 \| good	0.225 \| good
2025-07-22T23:00:00.000Z	33 \| good	2.817 \| good	11.614 \| good	35.912 \| good	1.946 \| good	6.651 \| good	0.252 \| good
2025-07-23T00:00:00.000Z	27 \| good	4.736 \| good	20.327 \| good	25.93 \| good	1.977 \| good	9.202 \| good	0.28 \| good
2025-07-23T01:00:00.000Z	38 \| good	7.386 \| good	32.197 \| good	18.956 \| good	2.049 \| good	9.605 \| good	0.281 \| good
2025-07-23T02:00:00.000Z	54 \| moderate	10.731 \| good	47.512 \| good	15.295 \| good	2.121 \| good	10.009 \| good	0.282 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	11.2 \| good	49.615 \| good	14.405 \| good	2.193 \| good	10.413 \| good	0.283 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	11.354 \| good	50.562 \| good	10.326 \| good	2.076 \| good	9.911 \| good	0.276 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.052 \| good	49.257 \| good	11.994 \| good	1.958 \| good	9.409 \| good	0.269 \| good
2025-07-23T06:00:00.000Z	52 \| moderate	10.097 \| good	44.597 \| good	9.996 \| good	1.84 \| good	8.907 \| good	0.262 \| good
2025-07-23T07:00:00.000Z	52 \| moderate	9.739 \| good	43.046 \| good	5.509 \| good	1.779 \| good	8.724 \| good	0.259 \| good
2025-07-23T08:00:00.000Z	49 \| good	8.811 \| good	38.592 \| good	4.287 \| good	1.719 \| good	8.54 \| good	0.256 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	11.51 \| good	50.686 \| good	2.633 \| good	1.658 \| good	8.357 \| good	0.253 \| good
2025-07-23T10:00:00.000Z	54 \| moderate	10.815 \| good	48.021 \| good	3.382 \| good	1.687 \| good	8.093 \| good	0.259 \| good
2025-07-23T11:00:00.000Z	49 \| good	8.651 \| good	38.222 \| good	4.976 \| good	1.715 \| good	7.829 \| good	0.265 \| good
2025-07-23T12:00:00.000Z	38 \| good	7.33 \| good	32.083 \| good	11.466 \| good	1.744 \| good	7.565 \| good	0.271 \| good
2025-07-23T13:00:00.000Z	44 \| good	7.627 \| good	33.67 \| good	19.962 \| good	1.874 \| good	5.724 \| good	0.252 \| good
2025-07-23T14:00:00.000Z	38 \| good	6.584 \| good	29.325 \| good	31.884 \| good	2.004 \| good	3.882 \| good	0.232 \| good
2025-07-23T15:00:00.000Z	49 \| good	8.582 \| good	37.841 \| good	42.797 \| good	2.133 \| good	2.041 \| good	0.213 \| good
2025-07-23T16:00:00.000Z	49 \| good	8.59 \| good	37.781 \| good	48.751 \| good	2.062 \| good	1.771 \| good	0.21 \| good
2025-07-23T17:00:00.000Z	52 \| moderate	9.686 \| good	42.706 \| good	54.148 \| good	1.99 \| good	1.501 \| good	0.208 \| good
2025-07-23T18:00:00.000Z	74 \| moderate	10.134 \| good	44.672 \| good	61.826 \| fine	1.918 \| good	1.231 \| good	0.206 \| good
2025-07-23T19:00:00.000Z	74 \| moderate	10.096 \| good	44.756 \| good	61.624 \| fine	1.9 \| good	1.418 \| good	0.207 \| good
2025-07-23T20:00:00.000Z	74 \| moderate	10.804 \| good	47.763 \| good	62.199 \| fine	1.882 \| good	1.605 \| good	0.209 \| good
2025-07-23T21:00:00.000Z	67 \| moderate	8.225 \| good	36.409 \| good	60.315 \| fine	1.863 \| good	1.791 \| good	0.21 \| good
2025-07-23T22:00:00.000Z	49 \| good	9.218 \| good	41.081 \| good	53.441 \| good	1.943 \| good	3.574 \| good	0.225 \| good
2025-07-23T23:00:00.000Z	40 \| good	7.176 \| good	31.767 \| good	42.902 \| good	2.022 \| good	5.356 \| good	0.239 \| good
2025-07-24T00:00:00.000Z	44 \| good	7.93 \| good	34.869 \| good	35.328 \| good	2.102 \| good	7.139 \| good	0.254 \| good
2025-07-24T01:00:00.000Z	49 \| good	9.25 \| good	40.911 \| good	27.006 \| good	2.048 \| good	7.35 \| good	0.246 \| good
2025-07-24T02:00:00.000Z	49 \| good	9.335 \| good	41.318 \| good	17.475 \| good	1.994 \| good	7.562 \| good	0.239 \| good
2025-07-24T03:00:00.000Z	38 \| good	6.861 \| good	30.406 \| good	15.566 \| good	1.941 \| good	7.773 \| good	0.231 \| good
2025-07-24T04:00:00.000Z	33 \| good	5.695 \| good	24.773 \| good	11.64 \| good	1.775 \| good	6.988 \| good	0.224 \| good
2025-07-24T05:00:00.000Z	22 \| good	4.181 \| good	17.975 \| good	9.433 \| good	1.609 \| good	6.204 \| good	0.217 \| good
2025-07-24T06:00:00.000Z	58 \| moderate	12.65 \| fine	13.044 \| good	36.758 \| good	1.445 \| good	5.428 \| good	0.209 \| good
2025-07-24T07:00:00.000Z	38 \| good	6.718 \| good	29.987 \| good	7.138 \| good	1.433 \| good	5.026 \| good	0.207 \| good
2025-07-24T08:00:00.000Z	27 \| good	4.853 \| good	21.153 \| good	6.944 \| good	1.422 \| good	4.632 \| good	0.205 \| good
2025-07-24T09:00:00.000Z	38 \| good	7.055 \| good	31.079 \| good	5.383 \| good	1.411 \| good	4.238 \| good	0.203 \| good
2025-07-24T10:00:00.000Z	38 \| good	7.415 \| good	32.456 \| good	7.461 \| good	1.491 \| good	4.255 \| good	0.21 \| good
2025-07-24T11:00:00.000Z	38 \| good	7.227 \| good	32.014 \| good	11.914 \| good	1.57 \| good	4.272 \| good	0.218 \| good
2025-07-24T12:00:00.000Z	58 \| moderate	13.288 \| fine	13.67 \| good	35.437 \| good	1.65 \| good	4.288 \| good	0.225 \| good

Current air quality index in Potomac, Maryland today

Common air pollutants in Potomac, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Potomac, Maryland air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Travilah, Maryland

Great Falls, Virginia

North Bethesda, Maryland

Rockville, Maryland

North Potomac, Maryland

McLean, Virginia

How accurate is Maryland, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What pollutant is most frequently found in Potomac, Maryland?

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

What is the PM2.5 concentration in Potomac, Maryland right now?

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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