What is the PM10 level in Maryland, USA at the moment?

The PM10 concentration in Maryland, USA is 37.734 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Maryland, USA at the moment?

Currently, Maryland, USA has a sulfur dioxide (SO2) concentration of 0.361 ppb.

What is the ozone (O3) level in Maryland, USA at the moment?

The current ozone (O3) level in Maryland, USA at the moment is 36.364 ppm.

What is the nitrogen dioxide (NO2) level in Maryland, USA at the moment?

Nitrogen dioxide (NO2) level in Maryland, USA at the moment is 8.326 ppb.

Live air quality index in Maryland, USA today

Q: What is the PM2.5 level in Maryland, USA at the moment?

PM2.5 levels in Maryland, USA are currently 9.896 μg/m3.

Stay updated with real-time air quality in Maryland, USA 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

Maryland, USA

Last updated: ... (Local time)

Major air pollutants in Maryland, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.95 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.24 μg/m³

155

255

425

605+

Ozone (O₃)

39.93 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.24 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Maryland, USA

Scroll To Air Quality Map

Track live Maryland, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	49 \| good	8.65 \| good	38.176 \| good	23.201 \| good	0.262 \| good	6.102 \| good	0.252 \| good
2026-03-07T22:00:00.000Z	38 \| good	7.237 \| good	40.72 \| good	27.806 \| good	0.256 \| good	5.09 \| good	0.2 \| good
2026-03-07T23:00:00.000Z	49 \| good	8.871 \| good	27.403 \| good	28.54 \| good	0.313 \| good	6.222 \| good	0.226 \| good
2026-03-08T00:00:00.000Z	49 \| good	8.56 \| good	23.874 \| good	24.719 \| good	0.297 \| good	10.144 \| good	0.287 \| good
2026-03-08T01:00:00.000Z	49 \| good	9.134 \| good	41.776 \| good	24.176 \| good	0.275 \| good	12.042 \| good	0.362 \| good
2026-03-08T02:00:00.000Z	38 \| good	6.766 \| good	34.052 \| good	18.956 \| good	0.241 \| good	12.997 \| good	0.403 \| good
2026-03-08T03:00:00.000Z	44 \| good	7.709 \| good	33.804 \| good	21.312 \| good	1.281 \| good	6.063 \| good	0.135 \| good
2026-03-08T04:00:00.000Z	54 \| moderate	11.138 \| good	55.192 \| fine	17.521 \| good	0.243 \| good	11.167 \| good	0.356 \| good
2026-03-08T05:00:00.000Z	54 \| moderate	10.945 \| good	53.049 \| good	13.617 \| good	0.268 \| good	13.55 \| good	0.396 \| good
2026-03-08T06:00:00.000Z	67 \| moderate	14.008 \| fine	87.266 \| fine	5.851 \| good	0.23 \| good	15.546 \| good	0.487 \| good
2026-03-08T07:00:00.000Z	56 \| moderate	11.539 \| good	50.942 \| good	6.646 \| good	0.246 \| good	16.097 \| good	0.519 \| good
2026-03-08T08:00:00.000Z	56 \| moderate	11.61 \| good	49.137 \| good	7.495 \| good	0.295 \| good	15.15 \| good	0.46 \| good
2026-03-08T09:00:00.000Z	52 \| moderate	9.823 \| good	45.78 \| good	8.023 \| good	0.326 \| good	13.841 \| good	0.39 \| good
2026-03-08T10:00:00.000Z	49 \| good	8.715 \| good	39.72 \| good	9.26 \| good	0.358 \| good	14.435 \| good	0.33 \| good
2026-03-08T11:00:00.000Z	58 \| moderate	12.995 \| fine	58.463 \| fine	12.816 \| good	0.418 \| good	11.382 \| good	0.29 \| good
2026-03-08T12:00:00.000Z	54 \| moderate	11.227 \| good	51.348 \| good	12.941 \| good	0.451 \| good	11.08 \| good	0.278 \| good
2026-03-08T13:00:00.000Z	44 \| good	8.443 \| good	37.949 \| good	11.96 \| good	0.452 \| good	13.535 \| good	0.278 \| good
2026-03-08T14:00:00.000Z	38 \| good	6.996 \| good	23.785 \| good	8.169 \| good	0.541 \| good	12.557 \| good	0.285 \| good
2026-03-08T15:00:00.000Z	56 \| moderate	11.605 \| good	52.216 \| good	5.037 \| good	0.59 \| good	14.682 \| good	0.377 \| good
2026-03-08T16:00:00.000Z	49 \| good	8.927 \| good	31.192 \| good	14.643 \| good	0.486 \| good	15.635 \| good	0.273 \| good
2026-03-08T17:00:00.000Z	52 \| moderate	10.021 \| good	35.27 \| good	29.268 \| good	0.464 \| good	10.35 \| good	0.214 \| good
2026-03-08T18:00:00.000Z	33 \| good	6.479 \| good	25.211 \| good	20.309 \| good	0.336 \| good	3.961 \| good	0.14 \| good
2026-03-08T19:00:00.000Z	31 \| good	4.187 \| good	21.521 \| good	33.752 \| good	0.397 \| good	3.006 \| good	0.136 \| good
2026-03-08T20:00:00.000Z	32 \| good	3.542 \| good	17.535 \| good	35.446 \| good	0.341 \| good	2.265 \| good	0.14 \| good
2026-03-08T21:00:00.000Z	35 \| good	3.084 \| good	16.921 \| good	37.772 \| good	0.283 \| good	1.728 \| good	0.145 \| good
2026-03-08T22:00:00.000Z	35 \| good	2.376 \| good	14.209 \| good	38.322 \| good	0.28 \| good	2.465 \| good	0.145 \| good
2026-03-08T23:00:00.000Z	34 \| good	3.043 \| good	21.25 \| good	37.406 \| good	0.254 \| good	3.281 \| good	0.145 \| good
2026-03-09T00:00:00.000Z	29 \| good	4.639 \| good	30.59 \| good	29.029 \| good	0.306 \| good	4.853 \| good	0.123 \| good
2026-03-09T01:00:00.000Z	28 \| good	5.414 \| good	29.533 \| good	29.309 \| good	0.406 \| good	8.51 \| good	0.191 \| good
2026-03-09T02:00:00.000Z	23 \| good	4.05 \| good	15.319 \| good	24.628 \| good	0.338 \| good	8.707 \| good	0.194 \| good
2026-03-09T03:00:00.000Z	49 \| good	9.474 \| good	42.144 \| good	14.537 \| good	2.413 \| good	23.269 \| good	0.364 \| good
2026-03-09T04:00:00.000Z	23 \| good	4.234 \| good	15.195 \| good	24.707 \| good	0.263 \| good	14.842 \| good	0.285 \| good
2026-03-09T05:00:00.000Z	27 \| good	4.505 \| good	27.536 \| good	10.399 \| good	0.261 \| good	18.93 \| good	0.346 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.634 \| good	21.02 \| good	22.226 \| good	0.255 \| good	24.534 \| good	0.378 \| good
2026-03-09T07:00:00.000Z	27 \| good	5.25 \| good	27.531 \| good	14.614 \| good	0.266 \| good	18.626 \| good	0.375 \| good
2026-03-09T08:00:00.000Z	26 \| good	4.16 \| good	27.614 \| good	14.853 \| good	0.303 \| good	17.542 \| good	0.384 \| good
2026-03-09T09:00:00.000Z	33 \| good	5.52 \| good	22.085 \| good	14.873 \| good	0.245 \| good	20.63 \| good	0.382 \| good
2026-03-09T10:00:00.000Z	33 \| good	5.906 \| good	24.373 \| good	8.282 \| good	0.371 \| good	20.618 \| good	0.408 \| good
2026-03-09T11:00:00.000Z	44 \| good	8.365 \| good	38.501 \| good	4.476 \| good	0.509 \| good	23.407 \| good	0.424 \| good
2026-03-09T12:00:00.000Z	44 \| good	8.145 \| good	29.524 \| good	3.988 \| good	0.808 \| good	22.622 \| good	0.583 \| good
2026-03-09T13:00:00.000Z	44 \| good	7.852 \| good	30.144 \| good	9.778 \| good	0.828 \| good	22.987 \| good	0.663 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.357 \| good	22.751 \| good	10.357 \| good	0.988 \| good	23.79 \| good	0.737 \| good
2026-03-09T15:00:00.000Z	38 \| good	7.365 \| good	40.676 \| good	20.324 \| good	0.967 \| good	28.53 \| good	0.602 \| good
2026-03-09T16:00:00.000Z	32 \| good	4.751 \| good	21.81 \| good	34.949 \| good	0.527 \| good	21.867 \| good	0.469 \| good
2026-03-09T17:00:00.000Z	32 \| good	3.022 \| good	30.514 \| good	35.452 \| good	0.42 \| good	11.989 \| good	0.298 \| good
2026-03-09T18:00:00.000Z	73 \| moderate	21.075 \| fine	67.04 \| fine	39.635 \| good	0.271 \| good	7.02 \| good	0.158 \| good
2026-03-09T19:00:00.000Z	40 \| good	3.069 \| good	12.816 \| good	42.701 \| good	0.27 \| good	5.854 \| good	0.146 \| good
2026-03-09T20:00:00.000Z	37 \| good	5.948 \| good	22.236 \| good	39.934 \| good	0.379 \| good	4.244 \| good	0.16 \| good
2026-03-09T20:00:00.000Z	42 \| good	4.827 \| good	21.075 \| good	44.606 \| good	2.864 \| good	5.76 \| good	0.204 \| good
2026-03-09T21:00:00.000Z	40 \| good	5.873 \| good	25.693 \| good	43.154 \| good	2.433 \| good	5.559 \| good	0.2 \| good
2026-03-09T22:00:00.000Z	36 \| good	3.906 \| good	17.024 \| good	38.781 \| good	2.173 \| good	10.918 \| good	0.233 \| good
2026-03-09T23:00:00.000Z	28 \| good	4.514 \| good	19.538 \| good	30.399 \| good	1.913 \| good	16.277 \| good	0.266 \| good
2026-03-10T00:00:00.000Z	27 \| good	5.228 \| good	22.817 \| good	24.44 \| good	1.653 \| good	21.637 \| good	0.299 \| good
2026-03-10T01:00:00.000Z	33 \| good	5.639 \| good	24.706 \| good	21.498 \| good	1.532 \| good	20.316 \| good	0.288 \| good
2026-03-10T02:00:00.000Z	38 \| good	7.179 \| good	31.78 \| good	30.788 \| good	1.411 \| good	18.995 \| good	0.277 \| good
2026-03-10T03:00:00.000Z	44 \| good	8.191 \| good	35.696 \| good	28.744 \| good	1.29 \| good	17.674 \| good	0.267 \| good
2026-03-10T04:00:00.000Z	44 \| good	7.674 \| good	33.67 \| good	27.027 \| good	1.244 \| good	16.721 \| good	0.258 \| good
2026-03-10T05:00:00.000Z	44 \| good	8.467 \| good	37.212 \| good	25.817 \| good	1.199 \| good	15.768 \| good	0.249 \| good
2026-03-10T06:00:00.000Z	52 \| moderate	10.039 \| good	44.601 \| good	20.798 \| good	1.153 \| good	14.814 \| good	0.241 \| good
2026-03-10T07:00:00.000Z	54 \| moderate	11.117 \| good	48.971 \| good	7.593 \| good	1.214 \| good	15.259 \| good	0.24 \| good
2026-03-10T08:00:00.000Z	54 \| moderate	10.64 \| good	46.971 \| good	7.435 \| good	1.275 \| good	15.704 \| good	0.24 \| good
2026-03-10T09:00:00.000Z	44 \| good	8.296 \| good	36.447 \| good	8.038 \| good	1.336 \| good	16.148 \| good	0.239 \| good
2026-03-10T10:00:00.000Z	38 \| good	7.023 \| good	30.881 \| good	11.471 \| good	1.451 \| good	16.912 \| good	0.268 \| good
2026-03-10T11:00:00.000Z	49 \| good	9.172 \| good	40.663 \| good	7.883 \| good	1.565 \| good	17.675 \| good	0.297 \| good
2026-03-10T12:00:00.000Z	49 \| good	9.292 \| good	40.827 \| good	7.269 \| good	1.68 \| good	18.439 \| good	0.326 \| good
2026-03-10T13:00:00.000Z	38 \| good	6.94 \| good	30.749 \| good	14.404 \| good	1.808 \| good	16.696 \| good	0.319 \| good
2026-03-10T14:00:00.000Z	38 \| good	6.651 \| good	29.452 \| good	21.324 \| good	1.936 \| good	14.953 \| good	0.313 \| good
2026-03-10T15:00:00.000Z	33 \| good	6.34 \| good	28.017 \| good	33.684 \| good	2.064 \| good	13.209 \| good	0.307 \| good
2026-03-10T16:00:00.000Z	39 \| good	6.142 \| good	27.189 \| good	42.498 \| good	1.953 \| good	11.054 \| good	0.278 \| good
2026-03-10T17:00:00.000Z	42 \| good	5.345 \| good	22.976 \| good	45.471 \| good	1.841 \| good	8.898 \| good	0.25 \| good
2026-03-10T18:00:00.000Z	40 \| good	4.781 \| good	20.672 \| good	42.932 \| good	1.73 \| good	6.742 \| good	0.221 \| good
2026-03-10T19:00:00.000Z	40 \| good	5.909 \| good	25.575 \| good	42.971 \| good	1.551 \| good	6.672 \| good	0.217 \| good
2026-03-10T20:00:00.000Z	38 \| good	6.144 \| good	27.392 \| good	41.471 \| good	1.372 \| good	6.601 \| good	0.214 \| good
2026-03-10T21:00:00.000Z	38 \| good	6.773 \| good	30.092 \| good	38.455 \| good	1.192 \| good	6.53 \| good	0.21 \| good
2026-03-10T22:00:00.000Z	32 \| good	5.213 \| good	22.52 \| good	35.425 \| good	1.21 \| good	9.549 \| good	0.227 \| good
2026-03-10T23:00:00.000Z	38 \| good	7.358 \| good	32.565 \| good	33.831 \| good	1.227 \| good	12.568 \| good	0.244 \| good
2026-03-11T00:00:00.000Z	33 \| good	5.899 \| good	25.605 \| good	26.001 \| good	1.244 \| good	15.587 \| good	0.261 \| good
2026-03-11T01:00:00.000Z	33 \| good	5.526 \| good	23.724 \| good	29.689 \| good	1.276 \| good	14.541 \| good	0.253 \| good
2026-03-11T02:00:00.000Z	52 \| moderate	10.167 \| good	45.226 \| good	33.782 \| good	1.309 \| good	13.496 \| good	0.246 \| good
2026-03-11T03:00:00.000Z	54 \| moderate	10.821 \| good	47.808 \| good	30.29 \| good	1.341 \| good	12.45 \| good	0.238 \| good
2026-03-11T04:00:00.000Z	52 \| moderate	10.12 \| good	44.948 \| good	25.186 \| good	1.329 \| good	11.523 \| good	0.227 \| good
2026-03-11T05:00:00.000Z	52 \| moderate	10.022 \| good	44.565 \| good	20.059 \| good	1.317 \| good	10.596 \| good	0.216 \| good
2026-03-11T06:00:00.000Z	62 \| moderate	14.578 \| fine	14.709 \| good	26.231 \| good	1.32 \| good	9.748 \| good	0.205 \| good
2026-03-11T07:00:00.000Z	52 \| moderate	9.513 \| good	42.336 \| good	16.369 \| good	1.393 \| good	8.957 \| good	0.195 \| good
2026-03-11T08:00:00.000Z	54 \| moderate	11.42 \| good	50.633 \| good	10.048 \| good	1.482 \| good	8.245 \| good	0.184 \| good
2026-03-11T09:00:00.000Z	52 \| moderate	10.295 \| good	45.691 \| good	8.581 \| good	1.57 \| good	7.534 \| good	0.174 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.169 \| good	35.79 \| good	11.328 \| good	1.665 \| good	8.825 \| good	0.18 \| good
2026-03-11T11:00:00.000Z	38 \| good	7.149 \| good	31.695 \| good	11.196 \| good	1.76 \| good	10.117 \| good	0.186 \| good
2026-03-11T12:00:00.000Z	58 \| moderate	13.487 \| fine	13.572 \| good	19.404 \| good	1.862 \| good	11.475 \| good	0.193 \| good
2026-03-11T13:00:00.000Z	60 \| moderate	14.031 \| fine	14.098 \| good	21.169 \| good	1.902 \| good	10.132 \| good	0.197 \| good
2026-03-11T14:00:00.000Z	58 \| moderate	13.397 \| fine	13.462 \| good	22.934 \| good	1.943 \| good	8.789 \| good	0.2 \| good
2026-03-11T15:00:00.000Z	58 \| moderate	12.533 \| fine	12.603 \| good	24.7 \| good	1.983 \| good	7.446 \| good	0.204 \| good
2026-03-11T16:00:00.000Z	56 \| moderate	12.049 \| good	12.119 \| good	27.678 \| good	1.778 \| good	6.528 \| good	0.192 \| good
2026-03-11T17:00:00.000Z	27 \| good	4.591 \| good	19.737 \| good	24.297 \| good	1.56 \| good	5.579 \| good	0.181 \| good
2026-03-11T18:00:00.000Z	54 \| moderate	10.572 \| good	10.663 \| good	33.635 \| good	1.368 \| good	4.693 \| good	0.169 \| good
2026-03-11T19:00:00.000Z	52 \| moderate	10.273 \| good	10.401 \| good	34.358 \| good	1.203 \| good	4.658 \| good	0.165 \| good

Maryland

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Maryland, USA air quality map: Stay updated on AQI near you

Air quality in cities of Maryland, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Glassmanor, Maryland	137 Unhealthy for sensitive groups	49.87μg/m³ Moderate	212.89μg/m³ Moderate	28.66ppb Good	0.48ppb Good	11.57ppb Good	0.14ppm Good
Oxon Hill, Maryland	132 Unhealthy for sensitive groups	48.50μg/m³ Moderate	206.90μg/m³ Moderate	28.60ppb Good	0.48ppb Good	11.53ppb Good	0.14ppm Good
Friendly, Maryland	97 Moderate	34.37μg/m³ Fine	144.38μg/m³ Fine	29.34ppb Good	0.52ppb Good	10.46ppb Good	0.14ppm Good
Hillcrest Heights, Maryland	81 Moderate	25.48μg/m³ Fine	108.88μg/m³ Fine	27.37ppb Good	0.48ppb Good	11.88ppb Good	0.12ppm Good
Waldorf, Maryland	78 Moderate	21.89μg/m³ Fine	110.34μg/m³ Fine	37.80ppb Good	0.51ppb Good	9.53ppb Good	0.15ppm Good
Camp Springs, Maryland	77 Moderate	22.92μg/m³ Fine	98.03μg/m³ Fine	29.25ppb Good	0.46ppb Good	12.35ppb Good	0.13ppm Good
Brandywine, Maryland	77 Moderate	22.80μg/m³ Fine	84.81μg/m³ Fine	39.52ppb Good	0.44ppb Good	10.60ppb Good	0.15ppm Good
Marlton, Maryland	77 Moderate	22.77μg/m³ Fine	87.21μg/m³ Fine	38.83ppb Good	0.41ppb Good	10.49ppb Good	0.14ppm Good
Rosaryville, Maryland	77 Moderate	22.70μg/m³ Fine	93.11μg/m³ Fine	34.52ppb Good	0.43ppb Good	11.58ppb Good	0.14ppm Good
Cloverly, Maryland	73 Moderate	21.06μg/m³ Fine	68.70μg/m³ Fine	33.37ppb Good	0.33ppb Good	11.54ppb Good	0.16ppm Good
Brock Hall, Maryland	73 Moderate	20.54μg/m³ Fine	76.97μg/m³ Fine	42.44ppb Good	0.38ppb Good	10.11ppb Good	0.15ppm Good
Westphalia, Maryland	71 Moderate	20.26μg/m³ Fine	78.38μg/m³ Fine	38.19ppb Good	0.39ppb Good	10.72ppb Good	0.14ppm Good
Frederick, Maryland	69 Moderate	19.31μg/m³ Fine	88.03μg/m³ Fine	40.96ppb Good	0.38ppb Good	3.51ppb Good	0.16ppm Good
Redland, Maryland	69 Moderate	19.13μg/m³ Fine	82.60μg/m³ Fine	41.48ppb Good	0.45ppb Good	9.40ppb Good	0.17ppm Good
Rockville, Maryland	69 Moderate	19.44μg/m³ Fine	83.99μg/m³ Fine	40.28ppb Good	0.47ppb Good	9.62ppb Good	0.17ppm Good
Forestville, Maryland	69 Moderate	18.99μg/m³ Fine	80.95μg/m³ Fine	29.35ppb Good	0.45ppb Good	12.43ppb Good	0.12ppm Good
North Bethesda, Maryland	69 Moderate	18.65μg/m³ Fine	80.54μg/m³ Fine	37.97ppb Good	0.47ppb Good	9.61ppb Good	0.18ppm Good
Silver Spring, Maryland	69 Moderate	18.62μg/m³ Fine	84.19μg/m³ Fine	30.57ppb Good	0.46ppb Good	9.25ppb Good	0.20ppm Good
Aspen Hill, Maryland	69 Moderate	18.55μg/m³ Fine	80.05μg/m³ Fine	39.53ppb Good	0.45ppb Good	9.36ppb Good	0.18ppm Good
Bensville, Maryland	67 Moderate	18.39μg/m³ Fine	24.71μg/m³ Good	35.80ppb Good	0.53ppb Good	9.93ppb Good	0.15ppm Good
Crofton, Maryland	67 Moderate	18.29μg/m³ Fine	24.56μg/m³ Good	37.41ppb Good	0.27ppb Good	8.26ppb Good	0.16ppm Good
Flower Hill, Maryland	67 Moderate	18.50μg/m³ Fine	80.88μg/m³ Fine	40.85ppb Good	0.45ppb Good	9.05ppb Good	0.18ppm Good
Montgomery Village, Maryland	67 Moderate	18.41μg/m³ Fine	80.53μg/m³ Fine	40.80ppb Good	0.45ppb Good	9.01ppb Good	0.18ppm Good
Olney, Maryland	67 Moderate	18.30μg/m³ Fine	78.64μg/m³ Fine	40.88ppb Good	0.44ppb Good	9.19ppb Good	0.17ppm Good
Takoma Park, Maryland	67 Moderate	18.47μg/m³ Fine	83.50μg/m³ Fine	30.49ppb Good	0.46ppb Good	9.30ppb Good	0.20ppm Good
Accokeek, Maryland	67 Moderate	17.52μg/m³ Fine	24.69μg/m³ Good	35.78ppb Good	0.53ppb Good	9.51ppb Good	0.15ppm Good
Gaithersburg, Maryland	67 Moderate	17.79μg/m³ Fine	39.74μg/m³ Good	35.98ppb Good	0.46ppb Good	9.90ppb Good	0.17ppm Good
Linganore, Maryland	67 Moderate	17.71μg/m³ Fine	80.31μg/m³ Fine	41.02ppb Good	0.38ppb Good	3.88ppb Good	0.16ppm Good
Travilah, Maryland	67 Moderate	17.85μg/m³ Fine	76.41μg/m³ Fine	36.37ppb Good	0.48ppb Good	9.56ppb Good	0.18ppm Good
Urbana, Maryland	67 Moderate	17.93μg/m³ Fine	81.28μg/m³ Fine	40.83ppb Good	0.38ppb Good	3.83ppb Good	0.16ppm Good
Fort Washington, Maryland	66 Moderate	17.46μg/m³ Fine	42.84μg/m³ Good	37.85ppb Good	0.57ppb Good	9.05ppb Good	0.15ppm Good
Glenmont, Maryland	66 Moderate	17.16μg/m³ Fine	74.52μg/m³ Fine	35.57ppb Good	0.44ppb Good	9.23ppb Good	0.19ppm Good
Wheaton, Maryland	66 Moderate	17.16μg/m³ Fine	74.52μg/m³ Fine	35.57ppb Good	0.44ppb Good	9.23ppb Good	0.19ppm Good
Kemp Mill, Maryland	66 Moderate	16.99μg/m³ Fine	74.18μg/m³ Fine	34.40ppb Good	0.44ppb Good	9.21ppb Good	0.20ppm Good
Ballenger Creek, Maryland	66 Moderate	16.59μg/m³ Fine	74.95μg/m³ Fine	40.50ppb Good	0.38ppb Good	3.84ppb Good	0.16ppm Good
Clinton, Maryland	66 Moderate	16.89μg/m³ Fine	17.30μg/m³ Good	40.54ppb Good	0.44ppb Good	10.58ppb Good	0.15ppm Good
Bethesda, Maryland	64 Moderate	16.37μg/m³ Fine	70.34μg/m³ Fine	31.75ppb Good	0.48ppb Good	9.57ppb Good	0.20ppm Good
Langley Park, Maryland	64 Moderate	15.97μg/m³ Fine	72.11μg/m³ Fine	29.73ppb Good	0.46ppb Good	10.28ppb Good	0.19ppm Good
Suitland, Maryland	64 Moderate	15.52μg/m³ Fine	68.16μg/m³ Fine	26.69ppb Good	0.46ppb Good	12.93ppb Good	0.13ppm Good
Chillum, Maryland	62 Moderate	14.96μg/m³ Fine	67.48μg/m³ Fine	29.89ppb Good	0.46ppb Good	10.71ppb Good	0.22ppm Good
Odenton, Maryland	60 Moderate	14.34μg/m³ Fine	17.63μg/m³ Good	38.66ppb Good	0.28ppb Good	8.37ppb Good	0.16ppm Good
Adelphi, Maryland	60 Moderate	14.15μg/m³ Fine	61.72μg/m³ Fine	30.08ppb Good	0.43ppb Good	9.60ppb Good	0.18ppm Good
Colesville, Maryland	60 Moderate	14.06μg/m³ Fine	58.51μg/m³ Fine	35.25ppb Good	0.39ppb Good	7.92ppb Good	0.18ppm Good
Largo, Maryland	60 Moderate	13.85μg/m³ Fine	51.07μg/m³ Good	35.70ppb Good	0.37ppb Good	10.15ppb Good	0.13ppm Good
Kettering, Maryland	60 Moderate	13.85μg/m³ Fine	51.07μg/m³ Good	35.70ppb Good	0.37ppb Good	10.15ppb Good	0.13ppm Good
White Oak, Maryland	60 Moderate	13.64μg/m³ Fine	58.15μg/m³ Fine	30.61ppb Good	0.41ppb Good	9.04ppb Good	0.17ppm Good
Lake Arbor, Maryland	58 Moderate	12.53μg/m³ Fine	44.18μg/m³ Good	35.49ppb Good	0.35ppb Good	9.53ppb Good	0.13ppm Good
College Park, Maryland	56 Moderate	11.86μg/m³ Good	50.11μg/m³ Good	29.79ppb Good	0.41ppb Good	9.72ppb Good	0.16ppm Good
Hyattsville, Maryland	54 Moderate	11.02μg/m³ Good	49.65μg/m³ Good	27.50ppb Good	0.46ppb Good	12.15ppb Good	0.16ppm Good
East Riverdale, Maryland	52 Moderate	10.11μg/m³ Good	42.64μg/m³ Good	28.51ppb Good	0.41ppb Good	10.69ppb Good	0.14ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.18ppm

How accurate is Maryland, USA air quality data?

Air quality and pollutant data for Maryland, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

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Frequently asked questions

How often is air quality information updated for Maryland, USA?

The air quality information for Maryland, USA is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Maryland, USA at its worst?

In the past 24 hours, the air quality in Maryland, USA was at its worst at 06:00:00 on 2026-03-09.

When did Maryland, USA experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Maryland, USA was observed at 04:00:00 on 2026-03-09.

What is the AQI in Maryland, USA right now?

As of now, the AQI in Maryland, USA is 52, indicating Moderate conditions.

What is the most common type of pollution in Maryland, USA?

Maryland, USA air has the highest levels of PM2.5.

What should I do in case of poor air quality in Maryland, USA?

Poor air quality in Maryland, USA means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Maryland, USA at the moment?

PM_2.5 levels in Maryland, USA are currently 9.896 μg/m³.

What is the PM₁₀ level in Maryland, USA at the moment?

The PM₁₀ concentration in Maryland, USA is 37.734 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Maryland, USA at the moment?

The current carbon monoxide (CO) concentration in Maryland, USA is 0.16 ppm.

What is the sulfur dioxide (SO₂) level in Maryland, USA at the moment?

Currently, Maryland, USA has a sulfur dioxide (SO₂) concentration of 0.361 ppb.

What is the ozone (O₃) level in Maryland, USA at the moment?

The current ozone (O₃) level in Maryland, USA at the moment is 36.364 ppm.

What is the nitrogen dioxide (NO₂) level in Maryland, USA at the moment?

Nitrogen dioxide (NO₂) level in Maryland, USA at the moment is 8.326 ppb.

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