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

The PM10 concentration in Maryland, USA is 22.217 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 0.472 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 30.883 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 13.512 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 6.639 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)

Moderate

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)

9.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

37.73 μg/m³

155

255

425

605+

Ozone (O₃)

36.36 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.33 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-07T20:00:00.000Z	44 \| good	7.514 \| good	36.062 \| good	25.598 \| good	0.298 \| good	6.269 \| good	0.252 \| good
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
2026-03-09T19:00:00.000Z	52 \| moderate	9.896 \| good	37.734 \| good	36.364 \| good	0.361 \| good	8.326 \| good	0.16 \| good
2026-03-09T19:00:00.000Z	40 \| good	5.086 \| good	21.923 \| good	43.422 \| good	3.295 \| good	5.961 \| good	0.209 \| 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

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
Accokeek, Maryland	58 Moderate	13.08μg/m³ Fine	48.23μg/m³ Good	30.11ppb Good	0.49ppb Good	17.93ppb Good	0.34ppm Good
Bensville, Maryland	58 Moderate	13.15μg/m³ Fine	47.55μg/m³ Good	29.75ppb Good	0.47ppb Good	17.99ppb Good	0.34ppm Good
Brandywine, Maryland	58 Moderate	13.18μg/m³ Fine	22.72μg/m³ Good	24.48ppb Good	0.50ppb Good	19.96ppb Good	0.34ppm Good
Clinton, Maryland	58 Moderate	13.18μg/m³ Fine	22.82μg/m³ Good	25.77ppb Good	0.52ppb Good	20.35ppb Good	0.34ppm Good
Fort Washington, Maryland	58 Moderate	13.03μg/m³ Fine	58.37μg/m³ Fine	25.63ppb Good	0.51ppb Good	19.46ppb Good	0.35ppm Good
Glassmanor, Maryland	58 Moderate	13.17μg/m³ Fine	57.06μg/m³ Fine	17.48ppb Good	0.56ppb Good	22.43ppb Good	0.39ppm Good
Hillcrest Heights, Maryland	58 Moderate	12.72μg/m³ Fine	53.51μg/m³ Good	18.48ppb Good	0.56ppb Good	22.93ppb Good	0.42ppm Good
La Plata, Maryland	58 Moderate	13.15μg/m³ Fine	47.04μg/m³ Good	23.70ppb Good	0.40ppb Good	6.06ppb Good	0.34ppm Good
Milford Mill, Maryland	58 Moderate	12.79μg/m³ Fine	17.23μg/m³ Good	31.16ppb Good	0.44ppb Good	12.46ppb Good	0.30ppm Good
Oxon Hill, Maryland	58 Moderate	13.16μg/m³ Fine	56.61μg/m³ Fine	17.53ppb Good	0.56ppb Good	22.44ppb Good	0.39ppm Good
Parole, Maryland	58 Moderate	13.17μg/m³ Fine	15.16μg/m³ Good	28.81ppb Good	0.47ppb Good	7.45ppb Good	0.31ppm Good
Waldorf, Maryland	58 Moderate	13.15μg/m³ Fine	22.58μg/m³ Good	23.16ppb Good	0.47ppb Good	17.91ppb Good	0.34ppm Good
Camp Springs, Maryland	56 Moderate	12.36μg/m³ Fine	51.52μg/m³ Good	21.47ppb Good	0.55ppb Good	22.86ppb Good	0.43ppm Good
Garrison, Maryland	56 Moderate	12.44μg/m³ Fine	17.02μg/m³ Good	31.40ppb Good	0.44ppb Good	12.57ppb Good	0.30ppm Good
Pikesville, Maryland	58 Moderate	12.53μg/m³ Fine	17.20μg/m³ Good	31.41ppb Good	0.43ppb Good	12.45ppb Good	0.30ppm Good
Suitland, Maryland	56 Moderate	12.23μg/m³ Fine	54.73μg/m³ Fine	19.27ppb Good	0.55ppb Good	23.44ppb Good	0.46ppm Good
Forestville, Maryland	56 Moderate	12.03μg/m³ Hazardous	49.07μg/m³ Good	22.30ppb Good	0.54ppb Good	22.93ppb Good	0.44ppm Good
Friendly, Maryland	56 Moderate	11.98μg/m³ Good	47.06μg/m³ Good	19.03ppb Good	0.58ppb Good	21.81ppb Good	0.38ppm Good
Rosaryville, Maryland	56 Moderate	11.72μg/m³ Good	38.72μg/m³ Good	28.74ppb Good	0.52ppb Good	22.01ppb Good	0.39ppm Good
Hyattsville, Maryland	56 Moderate	11.52μg/m³ Good	48.20μg/m³ Good	20.50ppb Good	0.54ppb Good	21.28ppb Good	0.45ppm Good
Lochearn, Maryland	56 Moderate	11.57μg/m³ Good	17.19μg/m³ Good	32.11ppb Good	0.44ppb Good	12.55ppb Good	0.30ppm Good
Randallstown, Maryland	56 Moderate	11.57μg/m³ Good	16.79μg/m³ Good	31.82ppb Good	0.45ppb Good	12.67ppb Good	0.30ppm Good
Chillum, Maryland	54 Moderate	11.04μg/m³ Good	40.32μg/m³ Good	22.17ppb Good	0.53ppb Good	17.43ppb Good	0.39ppm Good
Marlton, Maryland	54 Moderate	10.70μg/m³ Good	25.45μg/m³ Good	35.21ppb Good	0.49ppb Good	20.15ppb Good	0.37ppm Good
Owings Mills, Maryland	54 Moderate	10.93μg/m³ Good	17.04μg/m³ Good	33.02ppb Good	0.44ppb Good	12.61ppb Good	0.30ppm Good
Bethesda, Maryland	52 Moderate	10.32μg/m³ Good	33.47μg/m³ Good	24.11ppb Good	0.53ppb Good	17.75ppb Good	0.35ppm Good
California, Maryland	52 Moderate	10.07μg/m³ Good	21.62μg/m³ Good	23.47ppb Good	0.38ppb Good	18.33ppb Good	0.33ppm Good
Langley Park, Maryland	52 Moderate	10.22μg/m³ Good	34.70μg/m³ Good	21.64ppb Good	0.53ppb Good	16.27ppb Good	0.39ppm Good
Potomac, Maryland	52 Moderate	10.27μg/m³ Good	26.91μg/m³ Good	31.33ppb Good	0.52ppb Good	17.42ppb Good	0.34ppm Good
Brock Hall, Maryland	52 Moderate	9.87μg/m³ Good	16.02μg/m³ Good	40.04ppb Good	0.47ppb Good	20.14ppb Good	0.33ppm Good
Linthicum, Maryland	52 Moderate	9.92μg/m³ Good	16.86μg/m³ Good	40.45ppb Good	0.43ppb Good	11.34ppb Good	0.30ppm Good
Westphalia, Maryland	52 Moderate	9.86μg/m³ Good	24.07μg/m³ Good	34.60ppb Good	0.49ppb Good	20.72ppb Good	0.36ppm Good
Catonsville, Maryland	49 Good	9.24μg/m³ Good	16.83μg/m³ Good	34.00ppb Good	0.47ppb Good	12.56ppb Good	0.30ppm Good
East Riverdale, Maryland	49 Good	9.36μg/m³ Good	39.03μg/m³ Good	21.73ppb Good	0.50ppb Good	19.02ppb Good	0.40ppm Good
Ferndale, Maryland	49 Good	9.43μg/m³ Good	17.15μg/m³ Good	39.15ppb Good	0.44ppb Good	11.23ppb Good	0.30ppm Good
Adelphi, Maryland	49 Good	8.99μg/m³ Good	31.38μg/m³ Good	22.43ppb Good	0.50ppb Good	15.73ppb Good	0.37ppm Good
Arbutus, Maryland	49 Good	8.93μg/m³ Good	17.21μg/m³ Good	37.06ppb Good	0.46ppb Good	12.07ppb Good	0.30ppm Good
College Park, Maryland	49 Good	8.83μg/m³ Good	34.00μg/m³ Good	22.55ppb Good	0.49ppb Good	16.81ppb Good	0.37ppm Good
Glen Burnie, Maryland	49 Good	8.75μg/m³ Good	16.68μg/m³ Good	38.82ppb Good	0.44ppb Good	11.27ppb Good	0.30ppm Good
Largo, Maryland	44 Good	8.47μg/m³ Good	24.27μg/m³ Good	31.64ppb Good	0.47ppb Good	19.41ppb Good	0.35ppm Good
Kettering, Maryland	44 Good	8.47μg/m³ Good	24.27μg/m³ Good	31.64ppb Good	0.47ppb Good	19.41ppb Good	0.35ppm Good
Landover, Maryland	49 Good	8.63μg/m³ Good	38.53μg/m³ Good	22.91ppb Good	0.49ppb Good	20.01ppb Good	0.40ppm Good
Summerfield, Maryland	49 Good	8.63μg/m³ Good	38.53μg/m³ Good	22.91ppb Good	0.49ppb Good	20.01ppb Good	0.40ppm Good
White Oak, Maryland	44 Good	8.41μg/m³ Good	29.38μg/m³ Good	22.94ppb Good	0.49ppb Good	15.02ppb Good	0.35ppm Good
Ellicott City, Maryland	44 Good	8.18μg/m³ Good	30.11μg/m³ Good	26.42ppb Good	0.92ppb Good	13.46ppb Good	0.29ppm Good
Woodlawn CDP, Maryland	44 Good	8.18μg/m³ Good	36.52μg/m³ Good	23.46ppb Good	0.48ppb Good	19.17ppb Good	0.38ppm Good
New Carrollton, Maryland	44 Good	8.18μg/m³ Good	36.52μg/m³ Good	23.46ppb Good	0.48ppb Good	19.17ppb Good	0.38ppm Good
Baltimore, Maryland	44 Good	7.80μg/m³ Good	21.14μg/m³ Good	36.66ppb Good	0.43ppb Good	11.13ppb Good	0.30ppm Good
Lake Arbor, Maryland	38 Good	7.38μg/m³ Good	21.93μg/m³ Good	31.29ppb Good	0.45ppb Good	18.21ppb Good	0.33ppm Good
Kemp Mill, Maryland	38 Good	7.50μg/m³ Good	25.55μg/m³ Good	27.28ppb Good	0.50ppb Good	15.18ppb Good	0.33ppm Good

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

0.21ppm

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 03:00:00 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 38, indicating Good 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 6.639 μg/m³.

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

The PM₁₀ concentration in Maryland, USA is 22.217 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 0.317 ppm.

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

Currently, Maryland, USA has a sulfur dioxide (SO₂) concentration of 0.472 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 30.883 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 13.512 ppb.

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