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

Potomac, Maryland currently has a PM10 concentration of 22.582 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Potomac, Maryland is 0.299 ppb.

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

Potomac, Maryland currently has an ozone (O3) concentration of 52.534 ppm.

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

The current level of nitrogen dioxide (NO2) in Potomac, Maryland is 2.693 ppb.

Current air quality index in Potomac, Maryland today

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

Potomac, Maryland currently has a PM2.5 concentration of 4.833 μg/m3.

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)

4.83 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.58 μg/m³

155

255

425

605+

Ozone (O₃)

52.53 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.69 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 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
2026-07-21T22:00:00.000Z	49 \| good	9.088 \| good	22.041 \| good	35.22 \| good	0.65 \| good	3.012 \| good	0.262 \| good
2026-07-21T23:00:00.000Z	33 \| good	6.034 \| good	33.718 \| good	32.886 \| good	0.67 \| good	2.964 \| good	0.198 \| good
2026-07-22T00:00:00.000Z	33 \| good	5.68 \| good	18.325 \| good	28.38 \| good	0.637 \| good	3.055 \| good	0.262 \| good
2026-07-22T01:00:00.000Z	29 \| good	5.443 \| good	24.154 \| good	31.23 \| good	0.629 \| good	2.954 \| good	0.262 \| good
2026-07-22T02:00:00.000Z	33 \| good	5.69 \| good	29.554 \| good	32.276 \| good	0.67 \| good	6.037 \| good	0.282 \| good
2026-07-22T03:00:00.000Z	29 \| good	4.261 \| good	17.597 \| good	31.281 \| good	0.66 \| good	4.13 \| good	0.282 \| good
2026-07-22T04:00:00.000Z	29 \| good	4.207 \| good	27.876 \| good	30.997 \| good	0.707 \| good	4.373 \| good	0.27 \| good
2026-07-22T05:00:00.000Z	27 \| good	3.432 \| good	11.996 \| good	28.543 \| good	0.679 \| good	5.336 \| good	0.241 \| good
2026-07-22T06:00:00.000Z	30 \| good	3.045 \| good	25.885 \| good	31.732 \| good	0.647 \| good	5.738 \| good	0.264 \| good
2026-07-22T07:00:00.000Z	26 \| good	2.932 \| good	24.461 \| good	27.802 \| good	0.64 \| good	5.519 \| good	0.237 \| good
2026-07-22T08:00:00.000Z	27 \| good	1.504 \| good	25.319 \| good	28.748 \| good	0.654 \| good	5.328 \| good	0.237 \| good
2026-07-22T09:00:00.000Z	24 \| good	2.043 \| good	19.731 \| good	25.737 \| good	0.648 \| good	5.448 \| good	0.25 \| good
2026-07-22T10:00:00.000Z	25 \| good	3.908 \| good	27.219 \| good	20.014 \| good	0.635 \| good	4.58 \| good	0.27 \| good
2026-07-22T11:00:00.000Z	18 \| good	3.138 \| good	10.651 \| good	18.971 \| good	0.684 \| good	6.707 \| good	0.27 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.926 \| good	16.985 \| good	20.874 \| good	0.679 \| good	6.825 \| good	0.301 \| good
2026-07-22T13:00:00.000Z	27 \| good	4.791 \| good	20.993 \| good	21.328 \| good	0.675 \| good	8.2 \| good	0.301 \| good
2026-07-22T14:00:00.000Z	38 \| good	6.903 \| good	28.854 \| good	23.731 \| good	0.699 \| good	7.718 \| good	0.301 \| good
2026-07-22T15:00:00.000Z	44 \| good	7.545 \| good	28.969 \| good	26.817 \| good	0.701 \| good	6.061 \| good	0.301 \| good
2026-07-22T16:00:00.000Z	52 \| moderate	9.647 \| good	22.808 \| good	40.472 \| good	0.437 \| good	4.255 \| good	0.278 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.674 \| good	30.834 \| good	37.301 \| good	0.417 \| good	2.826 \| good	0.25 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.075 \| good	38.599 \| good	45.059 \| good	0.433 \| good	2.734 \| good	0.235 \| good
2026-07-22T19:00:00.000Z	54 \| moderate	11.216 \| good	53.027 \| good	50.031 \| good	0.381 \| good	3.257 \| good	0.235 \| good
2026-07-22T20:00:00.000Z	54 \| moderate	11.286 \| good	47.487 \| good	48.281 \| good	0.38 \| good	2.728 \| good	0.237 \| good
2026-07-22T21:00:00.000Z	54 \| moderate	10.632 \| good	46.468 \| good	50.798 \| good	0.346 \| good	2.075 \| good	0.235 \| good
2026-07-22T22:00:00.000Z	52 \| moderate	9.702 \| good	40.046 \| good	48.517 \| good	0.369 \| good	1.772 \| good	0.235 \| good
2026-07-22T23:00:00.000Z	49 \| good	9.002 \| good	24.597 \| good	49.634 \| good	0.436 \| good	3.128 \| good	0.25 \| good
2026-07-23T00:00:00.000Z	49 \| good	8.752 \| good	41.087 \| good	45.005 \| good	0.358 \| good	1.848 \| good	0.25 \| good
2026-07-23T01:00:00.000Z	49 \| good	8.967 \| good	44.01 \| good	48.428 \| good	0.387 \| good	2.438 \| good	0.25 \| good
2026-07-23T02:00:00.000Z	39 \| good	6.78 \| good	34.548 \| good	42.42 \| good	0.33 \| good	2.548 \| good	0.25 \| good
2026-07-23T03:00:00.000Z	23 \| good	1.603 \| good	7 \| good	25.296 \| good	0.628 \| good	6.712 \| good	0.223 \| good
2026-07-23T04:00:00.000Z	41 \| good	5.792 \| good	25.707 \| good	43.63 \| good	0.357 \| good	1.903 \| good	0.236 \| good
2026-07-23T05:00:00.000Z	38 \| good	7.38 \| good	32.796 \| good	35.77 \| good	0.363 \| good	1.806 \| good	0.214 \| good
2026-07-23T06:00:00.000Z	29 \| good	5.035 \| good	19.539 \| good	31.132 \| good	0.366 \| good	3.427 \| good	0.194 \| good
2026-07-23T07:00:00.000Z	33 \| good	5.699 \| good	17.492 \| good	28.342 \| good	0.366 \| good	2.872 \| good	0.164 \| good
2026-07-23T08:00:00.000Z	33 \| good	6.401 \| good	14.198 \| good	29.708 \| good	0.357 \| good	1.895 \| good	0.167 \| good
2026-07-23T09:00:00.000Z	33 \| good	5.688 \| good	24.566 \| good	31.76 \| good	0.318 \| good	2.881 \| good	0.15 \| good
2026-07-23T10:00:00.000Z	30 \| good	2.942 \| good	13.051 \| good	32.084 \| good	0.33 \| good	2.923 \| good	0.17 \| good
2026-07-23T11:00:00.000Z	28 \| good	2.972 \| good	13.255 \| good	29.99 \| good	0.368 \| good	3.861 \| good	0.17 \| good
2026-07-23T12:00:00.000Z	26 \| good	4.208 \| good	17.853 \| good	27.714 \| good	0.361 \| good	4.648 \| good	0.17 \| good
2026-07-23T13:00:00.000Z	29 \| good	2.452 \| good	10.78 \| good	30.952 \| good	0.354 \| good	5.239 \| good	0.17 \| good
2026-07-23T14:00:00.000Z	28 \| good	2.796 \| good	11.681 \| good	29.926 \| good	0.297 \| good	4.958 \| good	0.17 \| good
2026-07-23T15:00:00.000Z	31 \| good	3.178 \| good	13.687 \| good	33.627 \| good	0.345 \| good	4.857 \| good	0.17 \| good
2026-07-23T16:00:00.000Z	33 \| good	4.191 \| good	15.581 \| good	36.232 \| good	0.379 \| good	4.558 \| good	0.17 \| good
2026-07-23T17:00:00.000Z	38 \| good	3.485 \| good	18.64 \| good	41.207 \| good	0.369 \| good	3.853 \| good	0.17 \| good
2026-07-23T18:00:00.000Z	40 \| good	4.936 \| good	18.13 \| good	43.205 \| good	0.338 \| good	3.378 \| good	0.17 \| good
2026-07-23T19:00:00.000Z	44 \| good	4.236 \| good	18.405 \| good	48.042 \| good	0.332 \| good	2.878 \| good	0.17 \| good
2026-07-23T20:00:00.000Z	49 \| good	4.833 \| good	22.582 \| good	52.534 \| good	0.299 \| good	2.693 \| good	0.17 \| good
2026-07-23T21:00:00.000Z	44 \| good	5.267 \| good	20.564 \| good	48.288 \| good	0.345 \| good	3.224 \| good	0.17 \| good
2026-07-23T21:00:00.000Z	49 \| good	4.833 \| good	22.582 \| good	52.534 \| good	0.299 \| good	2.693 \| good	0.17 \| good
2026-07-23T22:00:00.000Z	44 \| good	1.283 \| good	5.118 \| good	47.401 \| good	0.419 \| good	1.212 \| good	0.139 \| good
2026-07-23T23:00:00.000Z	39 \| good	1.541 \| good	5.935 \| good	41.853 \| good	0.445 \| good	1.673 \| good	0.144 \| good
2026-07-24T00:00:00.000Z	27 \| good	1.769 \| good	7.209 \| good	29.206 \| good	0.504 \| good	3.624 \| good	0.16 \| good
2026-07-24T01:00:00.000Z	21 \| good	2.746 \| good	11.43 \| good	22.605 \| good	0.622 \| good	7.862 \| good	0.194 \| good
2026-07-24T02:00:00.000Z	27 \| good	4.628 \| good	20.153 \| good	16.811 \| good	0.709 \| good	9.465 \| good	0.204 \| good
2026-07-24T03:00:00.000Z	27 \| good	4.97 \| good	21.763 \| good	15.682 \| good	0.765 \| good	10.835 \| good	0.212 \| good
2026-07-24T04:00:00.000Z	22 \| good	4.082 \| good	18.076 \| good	16.769 \| good	0.784 \| good	12.319 \| good	0.223 \| good
2026-07-24T05:00:00.000Z	16 \| good	3.491 \| good	15.325 \| good	17.244 \| good	0.776 \| good	13.072 \| good	0.232 \| good
2026-07-24T06:00:00.000Z	16 \| good	2.596 \| good	10.52 \| good	14.452 \| good	0.77 \| good	13.755 \| good	0.237 \| good
2026-07-24T07:00:00.000Z	16 \| good	2.788 \| good	11.44 \| good	12.073 \| good	0.759 \| good	15.116 \| good	0.245 \| good
2026-07-24T08:00:00.000Z	22 \| good	3.661 \| good	16.18 \| good	11.34 \| good	0.735 \| good	16.645 \| good	0.254 \| good
2026-07-24T09:00:00.000Z	38 \| good	7.221 \| good	31.553 \| good	16.512 \| good	0.756 \| good	16.77 \| good	0.254 \| good
2026-07-24T10:00:00.000Z	44 \| good	7.774 \| good	33.869 \| good	10.427 \| good	0.803 \| good	16.608 \| good	0.255 \| good
2026-07-24T11:00:00.000Z	52 \| moderate	9.801 \| good	43.47 \| good	9.821 \| good	0.85 \| good	14.771 \| good	0.258 \| good
2026-07-24T12:00:00.000Z	54 \| moderate	11.098 \| good	48.989 \| good	16.567 \| good	0.964 \| good	12.566 \| good	0.259 \| good
2026-07-24T13:00:00.000Z	54 \| moderate	10.539 \| good	46.514 \| good	28.787 \| good	1.096 \| good	7.739 \| good	0.211 \| good
2026-07-24T14:00:00.000Z	44 \| good	7.981 \| good	34.943 \| good	39.625 \| good	0.95 \| good	3.832 \| good	0.176 \| good
2026-07-24T15:00:00.000Z	46 \| good	5.697 \| good	24.553 \| good	49.867 \| good	0.77 \| good	1.853 \| good	0.161 \| good
2026-07-24T16:00:00.000Z	54 \| moderate	4.042 \| good	17.623 \| good	56.104 \| fine	0.652 \| good	1.149 \| good	0.155 \| good
2026-07-24T17:00:00.000Z	61 \| moderate	3.715 \| good	16.421 \| good	58.472 \| fine	0.583 \| good	0.924 \| good	0.153 \| good
2026-07-24T18:00:00.000Z	58 \| moderate	3.731 \| good	16.377 \| good	56.943 \| fine	0.528 \| good	0.854 \| good	0.152 \| good
2026-07-24T19:00:00.000Z	61 \| moderate	4.36 \| good	19.135 \| good	58.073 \| fine	0.488 \| good	0.887 \| good	0.151 \| good
2026-07-24T20:00:00.000Z	61 \| moderate	3.104 \| good	13.662 \| good	57.562 \| fine	0.456 \| good	0.966 \| good	0.15 \| good
2026-07-24T21:00:00.000Z	50 \| good	2.17 \| good	8.911 \| good	54.265 \| good	0.428 \| good	1.147 \| good	0.15 \| good
2026-07-24T22:00:00.000Z	43 \| good	1.512 \| good	6.087 \| good	45.501 \| good	0.405 \| good	1.505 \| good	0.152 \| good
2026-07-24T23:00:00.000Z	37 \| good	1.078 \| good	4.33 \| good	39.881 \| good	0.384 \| good	1.994 \| good	0.155 \| good
2026-07-25T00:00:00.000Z	30 \| good	1.692 \| good	6.922 \| good	31.631 \| good	0.368 \| good	2.586 \| good	0.158 \| good
2026-07-25T01:00:00.000Z	25 \| good	2.331 \| good	9.581 \| good	27.189 \| good	0.366 \| good	3.278 \| good	0.159 \| good
2026-07-25T02:00:00.000Z	23 \| good	1.648 \| good	6.878 \| good	24.598 \| good	0.377 \| good	4.012 \| good	0.16 \| good
2026-07-25T03:00:00.000Z	21 \| good	0.644 \| good	2.193 \| good	22.676 \| good	0.39 \| good	4.806 \| good	0.161 \| good
2026-07-25T04:00:00.000Z	22 \| good	0.674 \| good	2.17 \| good	23.662 \| good	0.39 \| good	5.2 \| good	0.161 \| good
2026-07-25T05:00:00.000Z	21 \| good	0.55 \| good	2.014 \| good	23.196 \| good	0.378 \| good	5.251 \| good	0.16 \| good
2026-07-25T06:00:00.000Z	21 \| good	1.012 \| good	4.099 \| good	23.042 \| good	0.376 \| good	5.51 \| good	0.158 \| good
2026-07-25T07:00:00.000Z	17 \| good	1.282 \| good	5 \| good	18.495 \| good	0.383 \| good	6.313 \| good	0.159 \| good
2026-07-25T08:00:00.000Z	15 \| good	1.287 \| good	5 \| good	16.257 \| good	0.409 \| good	7.65 \| good	0.163 \| good
2026-07-25T09:00:00.000Z	22 \| good	4.071 \| good	17.646 \| good	10.823 \| good	0.443 \| good	8.77 \| good	0.166 \| good
2026-07-25T10:00:00.000Z	33 \| good	5.785 \| good	25.152 \| good	7.747 \| good	0.483 \| good	9.084 \| good	0.165 \| good
2026-07-25T11:00:00.000Z	38 \| good	6.538 \| good	29.431 \| good	11.371 \| good	0.512 \| good	8.687 \| good	0.166 \| good
2026-07-25T12:00:00.000Z	38 \| good	7.121 \| good	31.171 \| good	20.496 \| good	0.6 \| good	6.702 \| good	0.16 \| good
2026-07-25T13:00:00.000Z	27 \| good	5.271 \| good	22.387 \| good	29.057 \| good	0.577 \| good	3.121 \| good	0.138 \| good
2026-07-25T14:00:00.000Z	34 \| good	3.451 \| good	15.379 \| good	36.959 \| good	0.463 \| good	1.918 \| good	0.136 \| good
2026-07-25T15:00:00.000Z	41 \| good	2.835 \| good	11.625 \| good	44.304 \| good	0.366 \| good	1.175 \| good	0.134 \| good
2026-07-25T16:00:00.000Z	46 \| good	2.816 \| good	11.8 \| good	50.433 \| good	0.306 \| good	0.832 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	51 \| moderate	3.09 \| good	13.413 \| good	54.882 \| good	0.275 \| good	0.692 \| good	0.133 \| good
2026-07-25T18:00:00.000Z	58 \| moderate	3.591 \| good	15.476 \| good	57.285 \| fine	0.257 \| good	0.643 \| good	0.134 \| good
2026-07-25T19:00:00.000Z	64 \| moderate	4.501 \| good	19.451 \| good	59.494 \| fine	0.25 \| good	0.654 \| good	0.135 \| good
2026-07-25T20:00:00.000Z	67 \| moderate	3.982 \| good	17.398 \| good	59.523 \| fine	0.248 \| good	0.684 \| good	0.136 \| good
2026-07-25T21:00:00.000Z	67 \| moderate	3.314 \| good	14.422 \| good	59.73 \| fine	0.249 \| good	0.765 \| good	0.137 \| good

Potomac

Empower business decisions with accurate air quality data

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

0.17ppm

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 09:00:00, 2026-07-22.

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 2026-07-23.

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

The air quality in Potomac, Maryland right now is Good, with an AQI of 49.

What pollutant is most frequently found in Potomac, Maryland?

In Potomac, Maryland, O3 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 4.833 μg/m³.

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

Potomac, Maryland currently has a PM₁₀ concentration of 22.582 μg/m³.

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

The current carbon monoxide (CO) level in Potomac, Maryland is 0.17 ppm.

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

The current sulfur dioxide (SO₂) concentration in Potomac, Maryland is 0.299 ppb.

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

Potomac, Maryland currently has an ozone (O₃) concentration of 52.534 ppm.

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

The current level of nitrogen dioxide (NO₂) in Potomac, Maryland is 2.693 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T22:00:00.000Z	49 \| good	9.088 \| good	22.041 \| good	35.22 \| good	0.65 \| good	3.012 \| good	0.262 \| good
2026-07-21T23:00:00.000Z	33 \| good	6.034 \| good	33.718 \| good	32.886 \| good	0.67 \| good	2.964 \| good	0.198 \| good
2026-07-22T00:00:00.000Z	33 \| good	5.68 \| good	18.325 \| good	28.38 \| good	0.637 \| good	3.055 \| good	0.262 \| good
2026-07-22T01:00:00.000Z	29 \| good	5.443 \| good	24.154 \| good	31.23 \| good	0.629 \| good	2.954 \| good	0.262 \| good
2026-07-22T02:00:00.000Z	33 \| good	5.69 \| good	29.554 \| good	32.276 \| good	0.67 \| good	6.037 \| good	0.282 \| good
2026-07-22T03:00:00.000Z	29 \| good	4.261 \| good	17.597 \| good	31.281 \| good	0.66 \| good	4.13 \| good	0.282 \| good
2026-07-22T04:00:00.000Z	29 \| good	4.207 \| good	27.876 \| good	30.997 \| good	0.707 \| good	4.373 \| good	0.27 \| good
2026-07-22T05:00:00.000Z	27 \| good	3.432 \| good	11.996 \| good	28.543 \| good	0.679 \| good	5.336 \| good	0.241 \| good
2026-07-22T06:00:00.000Z	30 \| good	3.045 \| good	25.885 \| good	31.732 \| good	0.647 \| good	5.738 \| good	0.264 \| good
2026-07-22T07:00:00.000Z	26 \| good	2.932 \| good	24.461 \| good	27.802 \| good	0.64 \| good	5.519 \| good	0.237 \| good
2026-07-22T08:00:00.000Z	27 \| good	1.504 \| good	25.319 \| good	28.748 \| good	0.654 \| good	5.328 \| good	0.237 \| good
2026-07-22T09:00:00.000Z	24 \| good	2.043 \| good	19.731 \| good	25.737 \| good	0.648 \| good	5.448 \| good	0.25 \| good
2026-07-22T10:00:00.000Z	25 \| good	3.908 \| good	27.219 \| good	20.014 \| good	0.635 \| good	4.58 \| good	0.27 \| good
2026-07-22T11:00:00.000Z	18 \| good	3.138 \| good	10.651 \| good	18.971 \| good	0.684 \| good	6.707 \| good	0.27 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.926 \| good	16.985 \| good	20.874 \| good	0.679 \| good	6.825 \| good	0.301 \| good
2026-07-22T13:00:00.000Z	27 \| good	4.791 \| good	20.993 \| good	21.328 \| good	0.675 \| good	8.2 \| good	0.301 \| good
2026-07-22T14:00:00.000Z	38 \| good	6.903 \| good	28.854 \| good	23.731 \| good	0.699 \| good	7.718 \| good	0.301 \| good
2026-07-22T15:00:00.000Z	44 \| good	7.545 \| good	28.969 \| good	26.817 \| good	0.701 \| good	6.061 \| good	0.301 \| good
2026-07-22T16:00:00.000Z	52 \| moderate	9.647 \| good	22.808 \| good	40.472 \| good	0.437 \| good	4.255 \| good	0.278 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.674 \| good	30.834 \| good	37.301 \| good	0.417 \| good	2.826 \| good	0.25 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.075 \| good	38.599 \| good	45.059 \| good	0.433 \| good	2.734 \| good	0.235 \| good
2026-07-22T19:00:00.000Z	54 \| moderate	11.216 \| good	53.027 \| good	50.031 \| good	0.381 \| good	3.257 \| good	0.235 \| good
2026-07-22T20:00:00.000Z	54 \| moderate	11.286 \| good	47.487 \| good	48.281 \| good	0.38 \| good	2.728 \| good	0.237 \| good
2026-07-22T21:00:00.000Z	54 \| moderate	10.632 \| good	46.468 \| good	50.798 \| good	0.346 \| good	2.075 \| good	0.235 \| good
2026-07-22T22:00:00.000Z	52 \| moderate	9.702 \| good	40.046 \| good	48.517 \| good	0.369 \| good	1.772 \| good	0.235 \| good
2026-07-22T23:00:00.000Z	49 \| good	9.002 \| good	24.597 \| good	49.634 \| good	0.436 \| good	3.128 \| good	0.25 \| good
2026-07-23T00:00:00.000Z	49 \| good	8.752 \| good	41.087 \| good	45.005 \| good	0.358 \| good	1.848 \| good	0.25 \| good
2026-07-23T01:00:00.000Z	49 \| good	8.967 \| good	44.01 \| good	48.428 \| good	0.387 \| good	2.438 \| good	0.25 \| good
2026-07-23T02:00:00.000Z	39 \| good	6.78 \| good	34.548 \| good	42.42 \| good	0.33 \| good	2.548 \| good	0.25 \| good
2026-07-23T03:00:00.000Z	23 \| good	1.603 \| good	7 \| good	25.296 \| good	0.628 \| good	6.712 \| good	0.223 \| good
2026-07-23T04:00:00.000Z	41 \| good	5.792 \| good	25.707 \| good	43.63 \| good	0.357 \| good	1.903 \| good	0.236 \| good
2026-07-23T05:00:00.000Z	38 \| good	7.38 \| good	32.796 \| good	35.77 \| good	0.363 \| good	1.806 \| good	0.214 \| good
2026-07-23T06:00:00.000Z	29 \| good	5.035 \| good	19.539 \| good	31.132 \| good	0.366 \| good	3.427 \| good	0.194 \| good
2026-07-23T07:00:00.000Z	33 \| good	5.699 \| good	17.492 \| good	28.342 \| good	0.366 \| good	2.872 \| good	0.164 \| good
2026-07-23T08:00:00.000Z	33 \| good	6.401 \| good	14.198 \| good	29.708 \| good	0.357 \| good	1.895 \| good	0.167 \| good
2026-07-23T09:00:00.000Z	33 \| good	5.688 \| good	24.566 \| good	31.76 \| good	0.318 \| good	2.881 \| good	0.15 \| good
2026-07-23T10:00:00.000Z	30 \| good	2.942 \| good	13.051 \| good	32.084 \| good	0.33 \| good	2.923 \| good	0.17 \| good
2026-07-23T11:00:00.000Z	28 \| good	2.972 \| good	13.255 \| good	29.99 \| good	0.368 \| good	3.861 \| good	0.17 \| good
2026-07-23T12:00:00.000Z	26 \| good	4.208 \| good	17.853 \| good	27.714 \| good	0.361 \| good	4.648 \| good	0.17 \| good
2026-07-23T13:00:00.000Z	29 \| good	2.452 \| good	10.78 \| good	30.952 \| good	0.354 \| good	5.239 \| good	0.17 \| good
2026-07-23T14:00:00.000Z	28 \| good	2.796 \| good	11.681 \| good	29.926 \| good	0.297 \| good	4.958 \| good	0.17 \| good
2026-07-23T15:00:00.000Z	31 \| good	3.178 \| good	13.687 \| good	33.627 \| good	0.345 \| good	4.857 \| good	0.17 \| good
2026-07-23T16:00:00.000Z	33 \| good	4.191 \| good	15.581 \| good	36.232 \| good	0.379 \| good	4.558 \| good	0.17 \| good
2026-07-23T17:00:00.000Z	38 \| good	3.485 \| good	18.64 \| good	41.207 \| good	0.369 \| good	3.853 \| good	0.17 \| good
2026-07-23T18:00:00.000Z	40 \| good	4.936 \| good	18.13 \| good	43.205 \| good	0.338 \| good	3.378 \| good	0.17 \| good
2026-07-23T19:00:00.000Z	44 \| good	4.236 \| good	18.405 \| good	48.042 \| good	0.332 \| good	2.878 \| good	0.17 \| good
2026-07-23T20:00:00.000Z	49 \| good	4.833 \| good	22.582 \| good	52.534 \| good	0.299 \| good	2.693 \| good	0.17 \| good
2026-07-23T21:00:00.000Z	44 \| good	5.267 \| good	20.564 \| good	48.288 \| good	0.345 \| good	3.224 \| good	0.17 \| good
2026-07-23T21:00:00.000Z	49 \| good	4.833 \| good	22.582 \| good	52.534 \| good	0.299 \| good	2.693 \| good	0.17 \| good
2026-07-23T22:00:00.000Z	44 \| good	1.283 \| good	5.118 \| good	47.401 \| good	0.419 \| good	1.212 \| good	0.139 \| good
2026-07-23T23:00:00.000Z	39 \| good	1.541 \| good	5.935 \| good	41.853 \| good	0.445 \| good	1.673 \| good	0.144 \| good
2026-07-24T00:00:00.000Z	27 \| good	1.769 \| good	7.209 \| good	29.206 \| good	0.504 \| good	3.624 \| good	0.16 \| good
2026-07-24T01:00:00.000Z	21 \| good	2.746 \| good	11.43 \| good	22.605 \| good	0.622 \| good	7.862 \| good	0.194 \| good
2026-07-24T02:00:00.000Z	27 \| good	4.628 \| good	20.153 \| good	16.811 \| good	0.709 \| good	9.465 \| good	0.204 \| good
2026-07-24T03:00:00.000Z	27 \| good	4.97 \| good	21.763 \| good	15.682 \| good	0.765 \| good	10.835 \| good	0.212 \| good
2026-07-24T04:00:00.000Z	22 \| good	4.082 \| good	18.076 \| good	16.769 \| good	0.784 \| good	12.319 \| good	0.223 \| good
2026-07-24T05:00:00.000Z	16 \| good	3.491 \| good	15.325 \| good	17.244 \| good	0.776 \| good	13.072 \| good	0.232 \| good
2026-07-24T06:00:00.000Z	16 \| good	2.596 \| good	10.52 \| good	14.452 \| good	0.77 \| good	13.755 \| good	0.237 \| good
2026-07-24T07:00:00.000Z	16 \| good	2.788 \| good	11.44 \| good	12.073 \| good	0.759 \| good	15.116 \| good	0.245 \| good
2026-07-24T08:00:00.000Z	22 \| good	3.661 \| good	16.18 \| good	11.34 \| good	0.735 \| good	16.645 \| good	0.254 \| good
2026-07-24T09:00:00.000Z	38 \| good	7.221 \| good	31.553 \| good	16.512 \| good	0.756 \| good	16.77 \| good	0.254 \| good
2026-07-24T10:00:00.000Z	44 \| good	7.774 \| good	33.869 \| good	10.427 \| good	0.803 \| good	16.608 \| good	0.255 \| good
2026-07-24T11:00:00.000Z	52 \| moderate	9.801 \| good	43.47 \| good	9.821 \| good	0.85 \| good	14.771 \| good	0.258 \| good
2026-07-24T12:00:00.000Z	54 \| moderate	11.098 \| good	48.989 \| good	16.567 \| good	0.964 \| good	12.566 \| good	0.259 \| good
2026-07-24T13:00:00.000Z	54 \| moderate	10.539 \| good	46.514 \| good	28.787 \| good	1.096 \| good	7.739 \| good	0.211 \| good
2026-07-24T14:00:00.000Z	44 \| good	7.981 \| good	34.943 \| good	39.625 \| good	0.95 \| good	3.832 \| good	0.176 \| good
2026-07-24T15:00:00.000Z	46 \| good	5.697 \| good	24.553 \| good	49.867 \| good	0.77 \| good	1.853 \| good	0.161 \| good
2026-07-24T16:00:00.000Z	54 \| moderate	4.042 \| good	17.623 \| good	56.104 \| fine	0.652 \| good	1.149 \| good	0.155 \| good
2026-07-24T17:00:00.000Z	61 \| moderate	3.715 \| good	16.421 \| good	58.472 \| fine	0.583 \| good	0.924 \| good	0.153 \| good
2026-07-24T18:00:00.000Z	58 \| moderate	3.731 \| good	16.377 \| good	56.943 \| fine	0.528 \| good	0.854 \| good	0.152 \| good
2026-07-24T19:00:00.000Z	61 \| moderate	4.36 \| good	19.135 \| good	58.073 \| fine	0.488 \| good	0.887 \| good	0.151 \| good
2026-07-24T20:00:00.000Z	61 \| moderate	3.104 \| good	13.662 \| good	57.562 \| fine	0.456 \| good	0.966 \| good	0.15 \| good
2026-07-24T21:00:00.000Z	50 \| good	2.17 \| good	8.911 \| good	54.265 \| good	0.428 \| good	1.147 \| good	0.15 \| good
2026-07-24T22:00:00.000Z	43 \| good	1.512 \| good	6.087 \| good	45.501 \| good	0.405 \| good	1.505 \| good	0.152 \| good
2026-07-24T23:00:00.000Z	37 \| good	1.078 \| good	4.33 \| good	39.881 \| good	0.384 \| good	1.994 \| good	0.155 \| good
2026-07-25T00:00:00.000Z	30 \| good	1.692 \| good	6.922 \| good	31.631 \| good	0.368 \| good	2.586 \| good	0.158 \| good
2026-07-25T01:00:00.000Z	25 \| good	2.331 \| good	9.581 \| good	27.189 \| good	0.366 \| good	3.278 \| good	0.159 \| good
2026-07-25T02:00:00.000Z	23 \| good	1.648 \| good	6.878 \| good	24.598 \| good	0.377 \| good	4.012 \| good	0.16 \| good
2026-07-25T03:00:00.000Z	21 \| good	0.644 \| good	2.193 \| good	22.676 \| good	0.39 \| good	4.806 \| good	0.161 \| good
2026-07-25T04:00:00.000Z	22 \| good	0.674 \| good	2.17 \| good	23.662 \| good	0.39 \| good	5.2 \| good	0.161 \| good
2026-07-25T05:00:00.000Z	21 \| good	0.55 \| good	2.014 \| good	23.196 \| good	0.378 \| good	5.251 \| good	0.16 \| good
2026-07-25T06:00:00.000Z	21 \| good	1.012 \| good	4.099 \| good	23.042 \| good	0.376 \| good	5.51 \| good	0.158 \| good
2026-07-25T07:00:00.000Z	17 \| good	1.282 \| good	5 \| good	18.495 \| good	0.383 \| good	6.313 \| good	0.159 \| good
2026-07-25T08:00:00.000Z	15 \| good	1.287 \| good	5 \| good	16.257 \| good	0.409 \| good	7.65 \| good	0.163 \| good
2026-07-25T09:00:00.000Z	22 \| good	4.071 \| good	17.646 \| good	10.823 \| good	0.443 \| good	8.77 \| good	0.166 \| good
2026-07-25T10:00:00.000Z	33 \| good	5.785 \| good	25.152 \| good	7.747 \| good	0.483 \| good	9.084 \| good	0.165 \| good
2026-07-25T11:00:00.000Z	38 \| good	6.538 \| good	29.431 \| good	11.371 \| good	0.512 \| good	8.687 \| good	0.166 \| good
2026-07-25T12:00:00.000Z	38 \| good	7.121 \| good	31.171 \| good	20.496 \| good	0.6 \| good	6.702 \| good	0.16 \| good
2026-07-25T13:00:00.000Z	27 \| good	5.271 \| good	22.387 \| good	29.057 \| good	0.577 \| good	3.121 \| good	0.138 \| good
2026-07-25T14:00:00.000Z	34 \| good	3.451 \| good	15.379 \| good	36.959 \| good	0.463 \| good	1.918 \| good	0.136 \| good
2026-07-25T15:00:00.000Z	41 \| good	2.835 \| good	11.625 \| good	44.304 \| good	0.366 \| good	1.175 \| good	0.134 \| good
2026-07-25T16:00:00.000Z	46 \| good	2.816 \| good	11.8 \| good	50.433 \| good	0.306 \| good	0.832 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	51 \| moderate	3.09 \| good	13.413 \| good	54.882 \| good	0.275 \| good	0.692 \| good	0.133 \| good
2026-07-25T18:00:00.000Z	58 \| moderate	3.591 \| good	15.476 \| good	57.285 \| fine	0.257 \| good	0.643 \| good	0.134 \| good
2026-07-25T19:00:00.000Z	64 \| moderate	4.501 \| good	19.451 \| good	59.494 \| fine	0.25 \| good	0.654 \| good	0.135 \| good
2026-07-25T20:00:00.000Z	67 \| moderate	3.982 \| good	17.398 \| good	59.523 \| fine	0.248 \| good	0.684 \| good	0.136 \| good
2026-07-25T21:00:00.000Z	67 \| moderate	3.314 \| good	14.422 \| good	59.73 \| fine	0.249 \| good	0.765 \| good	0.137 \| 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?

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

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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?