What are the current PM10 levels at Bethesda, Maryland?

The current PM10 levels in Bethesda, Maryland are 48.126 μg/m3.

What are the current sulfur dioxide (SO2) levels at Bethesda, Maryland?

The current sulfur dioxide (SO2) levels in Bethesda, Maryland are 0.228 ppb.

What are the current ozone (O3) levels at Bethesda, Maryland?

The current ozone (O3) levels at Bethesda, Maryland is 32.528 ppm.

What are the current nitrogen dioxide (NO2) levels at Bethesda, Maryland?

The current nitrogen dioxide (NO2) levels at Bethesda, Maryland is 6.527 ppb.

Live air quality index in Bethesda, Maryland today

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

Stay updated with real-time air quality in Bethesda, 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)

Moderate

Bethesda, Maryland

Last updated: ... (Local time)

Major air pollutants in Bethesda, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.75 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

48.13 μg/m³

155

255

425

605+

Ozone (O₃)

32.53 ppb

201

201+

Sulfur Dioxide (SO₂)

0.23 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.53 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Bethesda, Maryland

Get Live Pollen Counts

Bethesda, Maryland

Scroll To Air Quality Map

Track live Bethesda, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	38 \| good	6.834 \| good	29.609 \| good	36 \| good	0.341 \| good	6.3 \| good	0.287 \| good
2025-06-04T08:00:00.000Z	38 \| good	7.424 \| good	32.383 \| good	33 \| good	0.344 \| good	7.5 \| good	0.274 \| good
2025-06-04T09:00:00.000Z	49 \| good	8.67 \| good	37.213 \| good	28 \| good	0.334 \| good	10 \| good	0.263 \| good
2025-06-04T10:00:00.000Z	38 \| good	7.365 \| good	31.239 \| good	27 \| good	0.393 \| good	8.9 \| good	0.255 \| good
2025-06-04T11:00:00.000Z	52 \| moderate	10.093 \| good	43.073 \| good	29 \| good	0.271 \| good	7.9 \| good	0.33 \| good
2025-06-04T12:00:00.000Z	52 \| moderate	9.869 \| good	47.868 \| good	29 \| good	0.386 \| good	8.8 \| good	0.367 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	10.242 \| good	45.013 \| good	31.668 \| good	2.062 \| good	1.768 \| good	0.23 \| good
2025-06-04T14:00:00.000Z	56 \| moderate	11.953 \| good	53.349 \| good	29 \| good	0.38 \| good	10.2 \| good	0.291 \| good
2025-06-04T15:00:00.000Z	56 \| moderate	11.621 \| good	47.559 \| good	32 \| good	0.344 \| good	10.4 \| good	0.302 \| good
2025-06-04T16:00:00.000Z	58 \| moderate	12.919 \| fine	55.868 \| fine	41 \| good	0.331 \| good	9 \| good	0.302 \| good
2025-06-04T17:00:00.000Z	60 \| moderate	13.602 \| fine	36.005 \| good	41 \| good	0.323 \| good	9 \| good	0.302 \| good
2025-06-04T18:00:00.000Z	71 \| moderate	14.634 \| fine	68.666 \| fine	61 \| fine	0.301 \| good	3.6 \| good	0.282 \| good
2025-06-04T19:00:00.000Z	71 \| moderate	15.077 \| fine	65.614 \| fine	61 \| fine	0.317 \| good	3.6 \| good	0.282 \| good
2025-06-04T20:00:00.000Z	74 \| moderate	16.015 \| fine	68.703 \| fine	62 \| fine	0.273 \| good	3 \| good	0.302 \| good
2025-06-04T21:00:00.000Z	77 \| moderate	16.208 \| fine	65.319 \| fine	63 \| fine	0.294 \| good	3 \| good	0.288 \| good
2025-06-04T22:00:00.000Z	64 \| moderate	15.687 \| fine	69.272 \| fine	58 \| fine	0.259 \| good	2.1 \| good	0.288 \| good
2025-06-04T23:00:00.000Z	64 \| moderate	16.051 \| fine	55.122 \| fine	57 \| fine	0.231 \| good	1.8 \| good	0.288 \| good
2025-06-05T00:00:00.000Z	66 \| moderate	16.869 \| fine	72.078 \| fine	56 \| fine	0.237 \| good	2.8 \| good	0.31 \| good
2025-06-05T01:00:00.000Z	66 \| moderate	16.664 \| fine	49.22 \| good	59 \| fine	0.271 \| good	3.2 \| good	0.33 \| good
2025-06-05T02:00:00.000Z	62 \| moderate	15.453 \| fine	69.267 \| fine	54 \| good	0.232 \| good	4.2 \| good	0.33 \| good
2025-06-05T03:00:00.000Z	58 \| moderate	12.812 \| fine	55.225 \| fine	46 \| good	0.227 \| good	5.4 \| good	0.33 \| good
2025-06-05T04:00:00.000Z	60 \| moderate	14.088 \| fine	63.718 \| fine	46 \| good	0.216 \| good	5.4 \| good	0.321 \| good
2025-06-05T05:00:00.000Z	58 \| moderate	13.062 \| fine	58.933 \| fine	44 \| good	0.23 \| good	5.4 \| good	0.359 \| good
2025-06-05T06:00:00.000Z	58 \| moderate	12.927 \| fine	57.107 \| fine	39 \| good	0.215 \| good	7.128 \| good	0.312 \| good
2025-06-05T07:00:00.000Z	58 \| moderate	13.091 \| fine	33.61 \| good	37 \| good	0.23 \| good	3.6 \| good	0.302 \| good
2025-06-05T08:00:00.000Z	60 \| moderate	13.534 \| fine	59.854 \| fine	37 \| good	0.485 \| good	3.8 \| good	0.302 \| good
2025-06-05T09:00:00.000Z	60 \| moderate	13.637 \| fine	63.668 \| fine	32 \| good	0.457 \| good	3.8 \| good	0.321 \| good
2025-06-05T10:00:00.000Z	58 \| moderate	13.119 \| fine	59.517 \| fine	33 \| good	0.222 \| good	7.521 \| good	0.286 \| good
2025-06-05T11:00:00.000Z	56 \| moderate	11.712 \| good	47.979 \| good	36 \| good	0.323 \| good	3.6 \| good	0.258 \| good
2025-06-05T12:00:00.000Z	54 \| moderate	11.224 \| good	49.096 \| good	36 \| good	0.301 \| good	4 \| good	0.309 \| good
2025-06-05T13:00:00.000Z	54 \| moderate	10.842 \| good	59.854 \| fine	38 \| good	0.301 \| good	5.6 \| good	0.282 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	12.336 \| fine	59.185 \| fine	39 \| good	0.27 \| good	7.5 \| good	0.282 \| good
2025-06-05T15:00:00.000Z	60 \| moderate	13.682 \| fine	52.649 \| good	38 \| good	0.365 \| good	9.6 \| good	0.282 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	14.037 \| fine	58.961 \| fine	43 \| good	0.369 \| good	9.2 \| good	0.282 \| good
2025-06-05T17:00:00.000Z	60 \| moderate	13.627 \| fine	58.321 \| fine	44 \| good	0.363 \| good	6.9 \| good	0.282 \| good
2025-06-05T18:00:00.000Z	64 \| moderate	16.023 \| fine	72.202 \| fine	50 \| good	0.329 \| good	4.2 \| good	0.269 \| good
2025-06-05T19:00:00.000Z	66 \| moderate	16.533 \| fine	71.419 \| fine	49 \| good	0.32 \| good	3.4 \| good	0.269 \| good
2025-06-05T20:00:00.000Z	64 \| moderate	16.492 \| fine	73.166 \| fine	56 \| fine	0.308 \| good	2.9 \| good	0.26 \| good
2025-06-05T21:00:00.000Z	80 \| moderate	16.612 \| fine	72.373 \| fine	64 \| fine	0.326 \| good	2.6 \| good	0.282 \| good
2025-06-05T22:00:00.000Z	67 \| moderate	16.171 \| fine	68.842 \| fine	60 \| fine	0.304 \| good	2.7 \| good	0.288 \| good
2025-06-05T23:00:00.000Z	60 \| moderate	13.658 \| fine	57.265 \| fine	56 \| fine	0.328 \| good	2.3 \| good	0.288 \| good
2025-06-06T00:00:00.000Z	60 \| moderate	13.99 \| fine	60.876 \| fine	53 \| good	0.293 \| good	3.6 \| good	0.288 \| good
2025-06-06T01:00:00.000Z	58 \| moderate	13.313 \| fine	58.404 \| fine	53 \| good	0.287 \| good	2.4 \| good	0.288 \| good
2025-06-06T02:00:00.000Z	54 \| moderate	11.433 \| good	51.299 \| good	46 \| good	0.219 \| good	2.4 \| good	0.307 \| good
2025-06-06T03:00:00.000Z	54 \| moderate	11.208 \| good	44.446 \| good	38 \| good	0.232 \| good	4.8 \| good	0.34 \| good
2025-06-06T04:00:00.000Z	56 \| moderate	11.588 \| good	44.909 \| good	38 \| good	0.226 \| good	4.8 \| good	0.331 \| good
2025-06-06T05:00:00.000Z	54 \| moderate	11.282 \| good	50.524 \| good	39 \| good	0.225 \| good	4.7 \| good	0.34 \| good
2025-06-06T06:00:00.000Z	54 \| moderate	10.868 \| good	51.428 \| good	34 \| good	0.208 \| good	4.4 \| good	0.331 \| good
2025-06-06T06:00:00.000Z	54 \| moderate	10.747 \| good	48.126 \| good	32.528 \| good	0.228 \| good	6.527 \| good	0.302 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	10.599 \| good	46.94 \| good	23.716 \| good	1.022 \| good	5.237 \| good	0.191 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	10.841 \| good	47.985 \| good	19.166 \| good	1.108 \| good	5.428 \| good	0.189 \| good
2025-06-06T09:00:00.000Z	56 \| moderate	11.998 \| good	53.839 \| good	15.002 \| good	1.195 \| good	5.619 \| good	0.188 \| good
2025-06-06T10:00:00.000Z	58 \| moderate	13.062 \| fine	58.876 \| fine	11.296 \| good	1.205 \| good	4.149 \| good	0.203 \| good
2025-06-06T11:00:00.000Z	56 \| moderate	12.022 \| good	53.833 \| good	18.607 \| good	1.298 \| good	4.499 \| good	0.202 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	10.578 \| good	46.874 \| good	27.267 \| good	1.391 \| good	4.85 \| good	0.2 \| good
2025-06-06T13:00:00.000Z	54 \| moderate	10.814 \| good	47.861 \| good	33.817 \| good	1.083 \| good	1.963 \| good	0.17 \| good
2025-06-06T14:00:00.000Z	56 \| moderate	12.461 \| fine	56.622 \| fine	43.581 \| good	1.189 \| good	2.283 \| good	0.168 \| good
2025-06-06T15:00:00.000Z	54 \| moderate	11.211 \| good	49.771 \| good	50.943 \| good	1.295 \| good	2.602 \| good	0.167 \| good
2025-06-06T16:00:00.000Z	50 \| good	9.067 \| good	40.756 \| good	54.381 \| good	0.664 \| good	1.009 \| good	0.142 \| good
2025-06-06T17:00:00.000Z	48 \| good	8.241 \| good	35.933 \| good	52.039 \| good	0.735 \| good	1.075 \| good	0.142 \| good
2025-06-06T18:00:00.000Z	52 \| moderate	9.725 \| good	42.921 \| good	50.936 \| good	0.807 \| good	1.14 \| good	0.141 \| good
2025-06-06T19:00:00.000Z	49 \| good	9.163 \| good	40.927 \| good	50.055 \| good	0.49 \| good	1.353 \| good	0.136 \| good
2025-06-06T20:00:00.000Z	46 \| good	7.693 \| good	33.954 \| good	49.735 \| good	0.546 \| good	1.419 \| good	0.135 \| good
2025-06-06T21:00:00.000Z	44 \| good	8.028 \| good	35.056 \| good	48.122 \| good	0.602 \| good	1.485 \| good	0.134 \| good
2025-06-06T22:00:00.000Z	46 \| good	6.849 \| good	30.035 \| good	50.146 \| good	0.734 \| good	6.575 \| good	0.184 \| good
2025-06-06T23:00:00.000Z	45 \| good	5.791 \| good	25.013 \| good	48.972 \| good	0.805 \| good	6.936 \| good	0.182 \| good
2025-06-07T00:00:00.000Z	38 \| good	6.672 \| good	29.959 \| good	36.725 \| good	0.875 \| good	7.298 \| good	0.18 \| good
2025-06-07T01:00:00.000Z	44 \| good	7.561 \| good	33.15 \| good	26.377 \| good	0.856 \| good	11.655 \| good	0.236 \| good
2025-06-07T02:00:00.000Z	49 \| good	8.503 \| good	37.076 \| good	21.775 \| good	0.866 \| good	12.377 \| good	0.234 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.611 \| good	42.971 \| good	21.354 \| good	0.877 \| good	13.098 \| good	0.231 \| good
2025-06-07T04:00:00.000Z	49 \| good	9.301 \| good	41.096 \| good	20.849 \| good	1.073 \| good	13.323 \| good	0.272 \| good
2025-06-07T05:00:00.000Z	52 \| moderate	10.184 \| good	44.976 \| good	20.435 \| good	1.044 \| good	14.795 \| good	0.274 \| good
2025-06-07T06:00:00.000Z	54 \| moderate	10.551 \| good	46.907 \| good	20.05 \| good	1.016 \| good	16.267 \| good	0.276 \| good
2025-06-07T07:00:00.000Z	52 \| moderate	10.397 \| good	45.976 \| good	17.954 \| good	1.803 \| good	5.027 \| good	0.22 \| good
2025-06-07T08:00:00.000Z	52 \| moderate	9.773 \| good	43.051 \| good	15.929 \| good	1.816 \| good	5.963 \| good	0.223 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	11.349 \| good	50.022 \| good	8.508 \| good	1.828 \| good	6.9 \| good	0.227 \| good
2025-06-07T10:00:00.000Z	54 \| moderate	10.547 \| good	46.894 \| good	11.68 \| good	2.053 \| good	2.899 \| good	0.217 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.445 \| good	41.869 \| good	17.215 \| good	2.112 \| good	3.31 \| good	0.22 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.998 \| good	44.801 \| good	18.412 \| good	2.171 \| good	3.72 \| good	0.223 \| good
2025-06-07T13:00:00.000Z	31 \| good	5.442 \| good	23.095 \| good	32.924 \| good	1.511 \| good	1.67 \| good	0.234 \| good
2025-06-07T14:00:00.000Z	38 \| good	7.272 \| good	31.943 \| good	39.47 \| good	1.592 \| good	1.84 \| good	0.234 \| good
2025-06-07T15:00:00.000Z	49 \| good	9.096 \| good	40.758 \| good	48.498 \| good	1.673 \| good	2.01 \| good	0.235 \| good
2025-06-07T16:00:00.000Z	50 \| good	7.31 \| good	31.998 \| good	53.611 \| good	0.789 \| good	0.977 \| good	0.22 \| good
2025-06-07T17:00:00.000Z	50 \| good	7.577 \| good	33.006 \| good	53.513 \| good	0.823 \| good	1.087 \| good	0.222 \| good
2025-06-07T18:00:00.000Z	54 \| moderate	9.251 \| good	41.057 \| good	55.746 \| fine	0.857 \| good	1.198 \| good	0.224 \| good
2025-06-07T19:00:00.000Z	56 \| moderate	12.021 \| good	53.855 \| good	55.969 \| fine	0.655 \| good	1.283 \| good	0.212 \| good
2025-06-07T20:00:00.000Z	61 \| moderate	13.441 \| fine	60.777 \| fine	57.596 \| fine	0.664 \| good	1.41 \| good	0.214 \| good
2025-06-07T21:00:00.000Z	61 \| moderate	13.412 \| fine	60.833 \| fine	58.051 \| fine	0.672 \| good	1.537 \| good	0.216 \| good
2025-06-07T22:00:00.000Z	71 \| moderate	9.533 \| good	42.949 \| good	60.827 \| fine	0.721 \| good	5.145 \| good	0.25 \| good
2025-06-07T23:00:00.000Z	67 \| moderate	8.45 \| good	37 \| good	59.672 \| fine	0.745 \| good	5.716 \| good	0.254 \| good
2025-06-08T00:00:00.000Z	45 \| good	7.469 \| good	32.892 \| good	49.085 \| good	0.769 \| good	6.287 \| good	0.258 \| good
2025-06-08T01:00:00.000Z	44 \| good	7.892 \| good	34.076 \| good	36.258 \| good	0.935 \| good	12.992 \| good	0.323 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	9.796 \| good	43.916 \| good	28.883 \| good	1.026 \| good	14.051 \| good	0.329 \| good
2025-06-08T03:00:00.000Z	56 \| moderate	11.97 \| good	53.917 \| good	27.64 \| good	1.117 \| good	15.11 \| good	0.336 \| good
2025-06-08T04:00:00.000Z	62 \| moderate	14.563 \| fine	65.031 \| fine	26.981 \| good	1.635 \| good	7.86 \| good	0.3 \| good
2025-06-08T05:00:00.000Z	69 \| moderate	19.336 \| fine	84.927 \| fine	24.561 \| good	1.791 \| good	8.438 \| good	0.303 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	14.76 \| fine	14.982 \| good	34.281 \| good	1.939 \| good	9.097 \| good	0.306 \| good

Bethesda

Empower business decisions with accurate air quality data

Bethesda, Maryland air quality map: Real-time AQI near you

0.30ppm

How accurate is Maryland, USA air quality data?

Air quality measurements for Maryland, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

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 is the air quality data for Bethesda, Maryland updated?

Air quality data for Bethesda, Maryland is updated on an hourly basis.

When did Bethesda, Maryland experience the worst air quality in the last 24 hours?

The worst air quality in Bethesda, Maryland was recorded at 09:00:00 on 2025-06-05.

When did Bethesda, Maryland have its best air quality in the last 24 hours?

The best air quality in Bethesda, Maryland was recorded at 05:00:00 on 2025-06-06.

What is the real-time air quality index for Bethesda, Maryland?

The real-time air quality index in Bethesda, Maryland is 54, currently categorized as Moderate.

Which pollutant is found most often in Bethesda, Maryland?

The most common pollutant in Bethesda, Maryland is PM2.5.

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

If the air quality in Bethesda, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Bethesda, Maryland?

The measured PM_2.5 levels in Bethesda, Maryland at present are 10.747 μg/m³.

What are the current PM₁₀ levels at Bethesda, Maryland?

The current PM₁₀ levels in Bethesda, Maryland are 48.126 μg/m³.

What are the current carbon monoxide (CO) levels at Bethesda, Maryland?

The current carbon monoxide (CO) level in Bethesda, Maryland is 0.302 ppm.

What are the current sulfur dioxide (SO₂) levels at Bethesda, Maryland?

The current sulfur dioxide (SO₂) levels in Bethesda, Maryland are 0.228 ppb.

What are the current ozone (O₃) levels at Bethesda, Maryland?

The current ozone (O₃) levels at Bethesda, Maryland is 32.528 ppm.

What are the current nitrogen dioxide (NO₂) levels at Bethesda, Maryland?

The current nitrogen dioxide (NO₂) levels at Bethesda, Maryland is 6.527 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	38 \| good	6.834 \| good	29.609 \| good	36 \| good	0.341 \| good	6.3 \| good	0.287 \| good
2025-06-04T08:00:00.000Z	38 \| good	7.424 \| good	32.383 \| good	33 \| good	0.344 \| good	7.5 \| good	0.274 \| good
2025-06-04T09:00:00.000Z	49 \| good	8.67 \| good	37.213 \| good	28 \| good	0.334 \| good	10 \| good	0.263 \| good
2025-06-04T10:00:00.000Z	38 \| good	7.365 \| good	31.239 \| good	27 \| good	0.393 \| good	8.9 \| good	0.255 \| good
2025-06-04T11:00:00.000Z	52 \| moderate	10.093 \| good	43.073 \| good	29 \| good	0.271 \| good	7.9 \| good	0.33 \| good
2025-06-04T12:00:00.000Z	52 \| moderate	9.869 \| good	47.868 \| good	29 \| good	0.386 \| good	8.8 \| good	0.367 \| good
2025-06-04T13:00:00.000Z	52 \| moderate	10.242 \| good	45.013 \| good	31.668 \| good	2.062 \| good	1.768 \| good	0.23 \| good
2025-06-04T14:00:00.000Z	56 \| moderate	11.953 \| good	53.349 \| good	29 \| good	0.38 \| good	10.2 \| good	0.291 \| good
2025-06-04T15:00:00.000Z	56 \| moderate	11.621 \| good	47.559 \| good	32 \| good	0.344 \| good	10.4 \| good	0.302 \| good
2025-06-04T16:00:00.000Z	58 \| moderate	12.919 \| fine	55.868 \| fine	41 \| good	0.331 \| good	9 \| good	0.302 \| good
2025-06-04T17:00:00.000Z	60 \| moderate	13.602 \| fine	36.005 \| good	41 \| good	0.323 \| good	9 \| good	0.302 \| good
2025-06-04T18:00:00.000Z	71 \| moderate	14.634 \| fine	68.666 \| fine	61 \| fine	0.301 \| good	3.6 \| good	0.282 \| good
2025-06-04T19:00:00.000Z	71 \| moderate	15.077 \| fine	65.614 \| fine	61 \| fine	0.317 \| good	3.6 \| good	0.282 \| good
2025-06-04T20:00:00.000Z	74 \| moderate	16.015 \| fine	68.703 \| fine	62 \| fine	0.273 \| good	3 \| good	0.302 \| good
2025-06-04T21:00:00.000Z	77 \| moderate	16.208 \| fine	65.319 \| fine	63 \| fine	0.294 \| good	3 \| good	0.288 \| good
2025-06-04T22:00:00.000Z	64 \| moderate	15.687 \| fine	69.272 \| fine	58 \| fine	0.259 \| good	2.1 \| good	0.288 \| good
2025-06-04T23:00:00.000Z	64 \| moderate	16.051 \| fine	55.122 \| fine	57 \| fine	0.231 \| good	1.8 \| good	0.288 \| good
2025-06-05T00:00:00.000Z	66 \| moderate	16.869 \| fine	72.078 \| fine	56 \| fine	0.237 \| good	2.8 \| good	0.31 \| good
2025-06-05T01:00:00.000Z	66 \| moderate	16.664 \| fine	49.22 \| good	59 \| fine	0.271 \| good	3.2 \| good	0.33 \| good
2025-06-05T02:00:00.000Z	62 \| moderate	15.453 \| fine	69.267 \| fine	54 \| good	0.232 \| good	4.2 \| good	0.33 \| good
2025-06-05T03:00:00.000Z	58 \| moderate	12.812 \| fine	55.225 \| fine	46 \| good	0.227 \| good	5.4 \| good	0.33 \| good
2025-06-05T04:00:00.000Z	60 \| moderate	14.088 \| fine	63.718 \| fine	46 \| good	0.216 \| good	5.4 \| good	0.321 \| good
2025-06-05T05:00:00.000Z	58 \| moderate	13.062 \| fine	58.933 \| fine	44 \| good	0.23 \| good	5.4 \| good	0.359 \| good
2025-06-05T06:00:00.000Z	58 \| moderate	12.927 \| fine	57.107 \| fine	39 \| good	0.215 \| good	7.128 \| good	0.312 \| good
2025-06-05T07:00:00.000Z	58 \| moderate	13.091 \| fine	33.61 \| good	37 \| good	0.23 \| good	3.6 \| good	0.302 \| good
2025-06-05T08:00:00.000Z	60 \| moderate	13.534 \| fine	59.854 \| fine	37 \| good	0.485 \| good	3.8 \| good	0.302 \| good
2025-06-05T09:00:00.000Z	60 \| moderate	13.637 \| fine	63.668 \| fine	32 \| good	0.457 \| good	3.8 \| good	0.321 \| good
2025-06-05T10:00:00.000Z	58 \| moderate	13.119 \| fine	59.517 \| fine	33 \| good	0.222 \| good	7.521 \| good	0.286 \| good
2025-06-05T11:00:00.000Z	56 \| moderate	11.712 \| good	47.979 \| good	36 \| good	0.323 \| good	3.6 \| good	0.258 \| good
2025-06-05T12:00:00.000Z	54 \| moderate	11.224 \| good	49.096 \| good	36 \| good	0.301 \| good	4 \| good	0.309 \| good
2025-06-05T13:00:00.000Z	54 \| moderate	10.842 \| good	59.854 \| fine	38 \| good	0.301 \| good	5.6 \| good	0.282 \| good
2025-06-05T14:00:00.000Z	56 \| moderate	12.336 \| fine	59.185 \| fine	39 \| good	0.27 \| good	7.5 \| good	0.282 \| good
2025-06-05T15:00:00.000Z	60 \| moderate	13.682 \| fine	52.649 \| good	38 \| good	0.365 \| good	9.6 \| good	0.282 \| good
2025-06-05T16:00:00.000Z	60 \| moderate	14.037 \| fine	58.961 \| fine	43 \| good	0.369 \| good	9.2 \| good	0.282 \| good
2025-06-05T17:00:00.000Z	60 \| moderate	13.627 \| fine	58.321 \| fine	44 \| good	0.363 \| good	6.9 \| good	0.282 \| good
2025-06-05T18:00:00.000Z	64 \| moderate	16.023 \| fine	72.202 \| fine	50 \| good	0.329 \| good	4.2 \| good	0.269 \| good
2025-06-05T19:00:00.000Z	66 \| moderate	16.533 \| fine	71.419 \| fine	49 \| good	0.32 \| good	3.4 \| good	0.269 \| good
2025-06-05T20:00:00.000Z	64 \| moderate	16.492 \| fine	73.166 \| fine	56 \| fine	0.308 \| good	2.9 \| good	0.26 \| good
2025-06-05T21:00:00.000Z	80 \| moderate	16.612 \| fine	72.373 \| fine	64 \| fine	0.326 \| good	2.6 \| good	0.282 \| good
2025-06-05T22:00:00.000Z	67 \| moderate	16.171 \| fine	68.842 \| fine	60 \| fine	0.304 \| good	2.7 \| good	0.288 \| good
2025-06-05T23:00:00.000Z	60 \| moderate	13.658 \| fine	57.265 \| fine	56 \| fine	0.328 \| good	2.3 \| good	0.288 \| good
2025-06-06T00:00:00.000Z	60 \| moderate	13.99 \| fine	60.876 \| fine	53 \| good	0.293 \| good	3.6 \| good	0.288 \| good
2025-06-06T01:00:00.000Z	58 \| moderate	13.313 \| fine	58.404 \| fine	53 \| good	0.287 \| good	2.4 \| good	0.288 \| good
2025-06-06T02:00:00.000Z	54 \| moderate	11.433 \| good	51.299 \| good	46 \| good	0.219 \| good	2.4 \| good	0.307 \| good
2025-06-06T03:00:00.000Z	54 \| moderate	11.208 \| good	44.446 \| good	38 \| good	0.232 \| good	4.8 \| good	0.34 \| good
2025-06-06T04:00:00.000Z	56 \| moderate	11.588 \| good	44.909 \| good	38 \| good	0.226 \| good	4.8 \| good	0.331 \| good
2025-06-06T05:00:00.000Z	54 \| moderate	11.282 \| good	50.524 \| good	39 \| good	0.225 \| good	4.7 \| good	0.34 \| good
2025-06-06T06:00:00.000Z	54 \| moderate	10.868 \| good	51.428 \| good	34 \| good	0.208 \| good	4.4 \| good	0.331 \| good
2025-06-06T06:00:00.000Z	54 \| moderate	10.747 \| good	48.126 \| good	32.528 \| good	0.228 \| good	6.527 \| good	0.302 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	10.599 \| good	46.94 \| good	23.716 \| good	1.022 \| good	5.237 \| good	0.191 \| good
2025-06-06T08:00:00.000Z	54 \| moderate	10.841 \| good	47.985 \| good	19.166 \| good	1.108 \| good	5.428 \| good	0.189 \| good
2025-06-06T09:00:00.000Z	56 \| moderate	11.998 \| good	53.839 \| good	15.002 \| good	1.195 \| good	5.619 \| good	0.188 \| good
2025-06-06T10:00:00.000Z	58 \| moderate	13.062 \| fine	58.876 \| fine	11.296 \| good	1.205 \| good	4.149 \| good	0.203 \| good
2025-06-06T11:00:00.000Z	56 \| moderate	12.022 \| good	53.833 \| good	18.607 \| good	1.298 \| good	4.499 \| good	0.202 \| good
2025-06-06T12:00:00.000Z	54 \| moderate	10.578 \| good	46.874 \| good	27.267 \| good	1.391 \| good	4.85 \| good	0.2 \| good
2025-06-06T13:00:00.000Z	54 \| moderate	10.814 \| good	47.861 \| good	33.817 \| good	1.083 \| good	1.963 \| good	0.17 \| good
2025-06-06T14:00:00.000Z	56 \| moderate	12.461 \| fine	56.622 \| fine	43.581 \| good	1.189 \| good	2.283 \| good	0.168 \| good
2025-06-06T15:00:00.000Z	54 \| moderate	11.211 \| good	49.771 \| good	50.943 \| good	1.295 \| good	2.602 \| good	0.167 \| good
2025-06-06T16:00:00.000Z	50 \| good	9.067 \| good	40.756 \| good	54.381 \| good	0.664 \| good	1.009 \| good	0.142 \| good
2025-06-06T17:00:00.000Z	48 \| good	8.241 \| good	35.933 \| good	52.039 \| good	0.735 \| good	1.075 \| good	0.142 \| good
2025-06-06T18:00:00.000Z	52 \| moderate	9.725 \| good	42.921 \| good	50.936 \| good	0.807 \| good	1.14 \| good	0.141 \| good
2025-06-06T19:00:00.000Z	49 \| good	9.163 \| good	40.927 \| good	50.055 \| good	0.49 \| good	1.353 \| good	0.136 \| good
2025-06-06T20:00:00.000Z	46 \| good	7.693 \| good	33.954 \| good	49.735 \| good	0.546 \| good	1.419 \| good	0.135 \| good
2025-06-06T21:00:00.000Z	44 \| good	8.028 \| good	35.056 \| good	48.122 \| good	0.602 \| good	1.485 \| good	0.134 \| good
2025-06-06T22:00:00.000Z	46 \| good	6.849 \| good	30.035 \| good	50.146 \| good	0.734 \| good	6.575 \| good	0.184 \| good
2025-06-06T23:00:00.000Z	45 \| good	5.791 \| good	25.013 \| good	48.972 \| good	0.805 \| good	6.936 \| good	0.182 \| good
2025-06-07T00:00:00.000Z	38 \| good	6.672 \| good	29.959 \| good	36.725 \| good	0.875 \| good	7.298 \| good	0.18 \| good
2025-06-07T01:00:00.000Z	44 \| good	7.561 \| good	33.15 \| good	26.377 \| good	0.856 \| good	11.655 \| good	0.236 \| good
2025-06-07T02:00:00.000Z	49 \| good	8.503 \| good	37.076 \| good	21.775 \| good	0.866 \| good	12.377 \| good	0.234 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.611 \| good	42.971 \| good	21.354 \| good	0.877 \| good	13.098 \| good	0.231 \| good
2025-06-07T04:00:00.000Z	49 \| good	9.301 \| good	41.096 \| good	20.849 \| good	1.073 \| good	13.323 \| good	0.272 \| good
2025-06-07T05:00:00.000Z	52 \| moderate	10.184 \| good	44.976 \| good	20.435 \| good	1.044 \| good	14.795 \| good	0.274 \| good
2025-06-07T06:00:00.000Z	54 \| moderate	10.551 \| good	46.907 \| good	20.05 \| good	1.016 \| good	16.267 \| good	0.276 \| good
2025-06-07T07:00:00.000Z	52 \| moderate	10.397 \| good	45.976 \| good	17.954 \| good	1.803 \| good	5.027 \| good	0.22 \| good
2025-06-07T08:00:00.000Z	52 \| moderate	9.773 \| good	43.051 \| good	15.929 \| good	1.816 \| good	5.963 \| good	0.223 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	11.349 \| good	50.022 \| good	8.508 \| good	1.828 \| good	6.9 \| good	0.227 \| good
2025-06-07T10:00:00.000Z	54 \| moderate	10.547 \| good	46.894 \| good	11.68 \| good	2.053 \| good	2.899 \| good	0.217 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.445 \| good	41.869 \| good	17.215 \| good	2.112 \| good	3.31 \| good	0.22 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.998 \| good	44.801 \| good	18.412 \| good	2.171 \| good	3.72 \| good	0.223 \| good
2025-06-07T13:00:00.000Z	31 \| good	5.442 \| good	23.095 \| good	32.924 \| good	1.511 \| good	1.67 \| good	0.234 \| good
2025-06-07T14:00:00.000Z	38 \| good	7.272 \| good	31.943 \| good	39.47 \| good	1.592 \| good	1.84 \| good	0.234 \| good
2025-06-07T15:00:00.000Z	49 \| good	9.096 \| good	40.758 \| good	48.498 \| good	1.673 \| good	2.01 \| good	0.235 \| good
2025-06-07T16:00:00.000Z	50 \| good	7.31 \| good	31.998 \| good	53.611 \| good	0.789 \| good	0.977 \| good	0.22 \| good
2025-06-07T17:00:00.000Z	50 \| good	7.577 \| good	33.006 \| good	53.513 \| good	0.823 \| good	1.087 \| good	0.222 \| good
2025-06-07T18:00:00.000Z	54 \| moderate	9.251 \| good	41.057 \| good	55.746 \| fine	0.857 \| good	1.198 \| good	0.224 \| good
2025-06-07T19:00:00.000Z	56 \| moderate	12.021 \| good	53.855 \| good	55.969 \| fine	0.655 \| good	1.283 \| good	0.212 \| good
2025-06-07T20:00:00.000Z	61 \| moderate	13.441 \| fine	60.777 \| fine	57.596 \| fine	0.664 \| good	1.41 \| good	0.214 \| good
2025-06-07T21:00:00.000Z	61 \| moderate	13.412 \| fine	60.833 \| fine	58.051 \| fine	0.672 \| good	1.537 \| good	0.216 \| good
2025-06-07T22:00:00.000Z	71 \| moderate	9.533 \| good	42.949 \| good	60.827 \| fine	0.721 \| good	5.145 \| good	0.25 \| good
2025-06-07T23:00:00.000Z	67 \| moderate	8.45 \| good	37 \| good	59.672 \| fine	0.745 \| good	5.716 \| good	0.254 \| good
2025-06-08T00:00:00.000Z	45 \| good	7.469 \| good	32.892 \| good	49.085 \| good	0.769 \| good	6.287 \| good	0.258 \| good
2025-06-08T01:00:00.000Z	44 \| good	7.892 \| good	34.076 \| good	36.258 \| good	0.935 \| good	12.992 \| good	0.323 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	9.796 \| good	43.916 \| good	28.883 \| good	1.026 \| good	14.051 \| good	0.329 \| good
2025-06-08T03:00:00.000Z	56 \| moderate	11.97 \| good	53.917 \| good	27.64 \| good	1.117 \| good	15.11 \| good	0.336 \| good
2025-06-08T04:00:00.000Z	62 \| moderate	14.563 \| fine	65.031 \| fine	26.981 \| good	1.635 \| good	7.86 \| good	0.3 \| good
2025-06-08T05:00:00.000Z	69 \| moderate	19.336 \| fine	84.927 \| fine	24.561 \| good	1.791 \| good	8.438 \| good	0.303 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	14.76 \| fine	14.982 \| good	34.281 \| good	1.939 \| good	9.097 \| good	0.306 \| good

Live air quality index in Bethesda, Maryland today

Major air pollutants in Bethesda, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Bethesda, Maryland air quality map: Real-time AQI near you

Air quality in nearby cities

Silver Spring, Maryland

North Bethesda, Maryland

Takoma Park, Maryland

Wheaton, Maryland

Kemp Mill, Maryland

McLean, Virginia

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Frequently asked questions

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What are the current PM2.5 levels in Bethesda, Maryland?

What are the current PM10 levels at Bethesda, Maryland?

What are the current carbon monoxide (CO) levels at Bethesda, Maryland?

What are the current sulfur dioxide (SO2) levels at Bethesda, Maryland?

What are the current ozone (O3) levels at Bethesda, Maryland?

What are the current nitrogen dioxide (NO2) levels at Bethesda, Maryland?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Bethesda, Maryland?

What are the current PM₁₀ levels at Bethesda, Maryland?

What are the current sulfur dioxide (SO₂) levels at Bethesda, Maryland?

What are the current ozone (O₃) levels at Bethesda, Maryland?

What are the current nitrogen dioxide (NO₂) levels at Bethesda, Maryland?