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

The PM10 concentration in Maryland, USA is 37.936 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 0.212 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 11.745 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 10.715 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 9.828 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)

9.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

36.90 μg/m³

155

255

425

605+

Ozone (O₃)

13.91 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.93 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 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
2026-03-04T16:00:00.000Z	60 \| moderate	13.869 \| fine	50.903 \| good	8.371 \| good	0.453 \| good	16.345 \| good	0.431 \| good
2026-03-04T17:00:00.000Z	62 \| moderate	14.571 \| fine	58.989 \| fine	11.073 \| good	0.462 \| good	15.061 \| good	0.399 \| good
2026-03-04T18:00:00.000Z	62 \| moderate	15.381 \| fine	60.95 \| fine	9.643 \| good	0.441 \| good	15.185 \| good	0.337 \| good
2026-03-04T19:00:00.000Z	60 \| moderate	14.114 \| fine	62.848 \| fine	12.073 \| good	0.476 \| good	17.43 \| good	0.354 \| good
2026-03-04T20:00:00.000Z	58 \| moderate	13.422 \| fine	53.921 \| good	10.132 \| good	0.355 \| good	18.192 \| good	0.397 \| good
2026-03-04T21:00:00.000Z	56 \| moderate	11.896 \| good	34.547 \| good	8.24 \| good	0.324 \| good	17.886 \| good	0.371 \| good
2026-03-04T22:00:00.000Z	56 \| moderate	12.093 \| good	44.549 \| good	11.957 \| good	0.245 \| good	15.349 \| good	0.383 \| good
2026-03-04T23:00:00.000Z	56 \| moderate	11.557 \| good	43.671 \| good	13.001 \| good	0.344 \| good	18.541 \| good	0.397 \| good
2026-03-05T00:00:00.000Z	58 \| moderate	13.078 \| fine	40.667 \| good	10.558 \| good	0.316 \| good	21.349 \| good	0.4 \| good
2026-03-05T01:00:00.000Z	60 \| moderate	13.613 \| fine	42.229 \| good	8.27 \| good	0.31 \| good	20.134 \| good	0.4 \| good
2026-03-05T02:00:00.000Z	67 \| moderate	17.542 \| fine	54.47 \| good	6.611 \| good	0.27 \| good	18.893 \| good	0.365 \| good
2026-03-05T03:00:00.000Z	64 \| moderate	15.684 \| fine	69.603 \| fine	10.841 \| good	4.912 \| good	24.961 \| good	0.528 \| good
2026-03-05T04:00:00.000Z	67 \| moderate	17.71 \| fine	67.828 \| fine	8.077 \| good	0.31 \| good	17.758 \| good	0.359 \| good
2026-03-05T05:00:00.000Z	64 \| moderate	16.106 \| fine	66.251 \| fine	9.172 \| good	0.205 \| good	17.578 \| good	0.348 \| good
2026-03-05T06:00:00.000Z	66 \| moderate	16.977 \| fine	33.075 \| good	4.075 \| good	0.303 \| good	18.794 \| good	0.308 \| good
2026-03-05T07:00:00.000Z	62 \| moderate	14.793 \| fine	44.669 \| good	3.879 \| good	0.274 \| good	23.418 \| good	0.315 \| good
2026-03-05T08:00:00.000Z	64 \| moderate	15.741 \| fine	34.007 \| good	6.574 \| good	0.31 \| good	25.049 \| good	0.324 \| good
2026-03-05T09:00:00.000Z	58 \| moderate	13.192 \| fine	35.437 \| good	8.684 \| good	0.304 \| good	20.205 \| good	0.34 \| good
2026-03-05T10:00:00.000Z	62 \| moderate	15.083 \| fine	34.335 \| good	4.543 \| good	0.218 \| good	16.787 \| good	0.324 \| good
2026-03-05T11:00:00.000Z	58 \| moderate	13.35 \| fine	52.783 \| good	7.46 \| good	0.225 \| good	15.798 \| good	0.3 \| good
2026-03-05T12:00:00.000Z	66 \| moderate	17.25 \| fine	41.706 \| good	5.7 \| good	0.195 \| good	13.972 \| good	0.318 \| good
2026-03-05T13:00:00.000Z	73 \| moderate	21.203 \| fine	72.712 \| fine	2.595 \| good	0.194 \| good	13.628 \| good	0.332 \| good
2026-03-05T14:00:00.000Z	71 \| moderate	20.43 \| fine	49.866 \| good	5.755 \| good	0.226 \| good	13.62 \| good	0.358 \| good
2026-03-05T15:00:00.000Z	54 \| moderate	11.436 \| good	26.637 \| good	14.744 \| good	0.226 \| good	12.6 \| good	0.349 \| good
2026-03-05T16:00:00.000Z	56 \| moderate	11.855 \| good	47.738 \| good	15.244 \| good	0.234 \| good	11.564 \| good	0.338 \| good
2026-03-05T17:00:00.000Z	58 \| moderate	13.268 \| fine	64.534 \| fine	17.029 \| good	0.306 \| good	11.517 \| good	0.306 \| good
2026-03-05T18:00:00.000Z	62 \| moderate	15.04 \| fine	58.592 \| fine	9.136 \| good	0.38 \| good	11.254 \| good	0.314 \| good
2026-03-05T19:00:00.000Z	64 \| moderate	16.263 \| fine	60.298 \| fine	15.31 \| good	0.374 \| good	9.913 \| good	0.331 \| good
2026-03-05T20:00:00.000Z	67 \| moderate	17.965 \| fine	50.936 \| good	12.273 \| good	0.412 \| good	10.292 \| good	0.371 \| good
2026-03-05T21:00:00.000Z	69 \| moderate	18.639 \| fine	60.905 \| fine	18.828 \| good	0.426 \| good	11.679 \| good	0.388 \| good
2026-03-05T22:00:00.000Z	71 \| moderate	19.924 \| fine	83.852 \| fine	21.018 \| good	0.427 \| good	15.215 \| good	0.374 \| good
2026-03-05T23:00:00.000Z	64 \| moderate	16.017 \| fine	63.269 \| fine	14.75 \| good	0.371 \| good	13.375 \| good	0.409 \| good
2026-03-06T00:00:00.000Z	64 \| moderate	15.69 \| fine	41.666 \| good	12.861 \| good	0.303 \| good	12.089 \| good	0.348 \| good
2026-03-06T01:00:00.000Z	62 \| moderate	15.372 \| fine	48.943 \| good	15.277 \| good	0.319 \| good	12.094 \| good	0.307 \| good
2026-03-06T02:00:00.000Z	62 \| moderate	14.628 \| fine	54.375 \| good	14.511 \| good	0.262 \| good	12.617 \| good	0.325 \| good
2026-03-06T03:00:00.000Z	52 \| moderate	9.688 \| good	43.482 \| good	32.333 \| good	0.897 \| good	8.751 \| good	0.241 \| good
2026-03-06T04:00:00.000Z	56 \| moderate	12.108 \| fine	19.321 \| good	15.871 \| good	0.276 \| good	12.143 \| good	0.293 \| good
2026-03-06T05:00:00.000Z	58 \| moderate	13.191 \| fine	53.018 \| good	11.226 \| good	0.178 \| good	14.251 \| good	0.275 \| good
2026-03-06T06:00:00.000Z	56 \| moderate	12.195 \| fine	47.955 \| good	14.59 \| good	0.16 \| good	14.495 \| good	0.29 \| good
2026-03-06T07:00:00.000Z	62 \| moderate	15.226 \| fine	24.289 \| good	9.086 \| good	0.176 \| good	14.621 \| good	0.275 \| good
2026-03-06T08:00:00.000Z	73 \| moderate	20.581 \| fine	34.08 \| good	8.823 \| good	0.173 \| good	13.154 \| good	0.275 \| good
2026-03-06T09:00:00.000Z	67 \| moderate	17.754 \| fine	47.959 \| good	8.722 \| good	0.175 \| good	13.109 \| good	0.275 \| good
2026-03-06T10:00:00.000Z	44 \| good	8.113 \| good	34.207 \| good	9.409 \| good	0.178 \| good	10.673 \| good	0.275 \| good
2026-03-06T11:00:00.000Z	52 \| moderate	9.707 \| good	19.336 \| good	15.542 \| good	0.2 \| good	11.818 \| good	0.315 \| good
2026-03-06T12:00:00.000Z	38 \| good	6.634 \| good	29.575 \| good	13.557 \| good	0.205 \| good	11.944 \| good	0.3 \| good
2026-03-06T13:00:00.000Z	49 \| good	8.697 \| good	31.748 \| good	16.793 \| good	0.188 \| good	12.087 \| good	0.318 \| good
2026-03-06T14:00:00.000Z	49 \| good	9.16 \| good	38.241 \| good	13.192 \| good	0.268 \| good	12.808 \| good	0.293 \| good
2026-03-06T15:00:00.000Z	52 \| moderate	9.635 \| good	36.895 \| good	13.912 \| good	0.277 \| good	10.927 \| good	0.305 \| good
2026-03-06T15:00:00.000Z	62 \| moderate	14.891 \| fine	66.315 \| fine	21.063 \| good	2.307 \| good	8.363 \| good	0.283 \| good
2026-03-06T16:00:00.000Z	54 \| moderate	10.902 \| good	48.358 \| good	22.533 \| good	2.476 \| good	7.704 \| good	0.273 \| good
2026-03-06T17:00:00.000Z	54 \| moderate	10.601 \| good	46.901 \| good	23.259 \| good	2.646 \| good	7.045 \| good	0.263 \| good
2026-03-06T18:00:00.000Z	52 \| moderate	9.846 \| good	43.781 \| good	23.94 \| good	2.815 \| good	6.386 \| good	0.253 \| good
2026-03-06T19:00:00.000Z	44 \| good	7.91 \| good	34.465 \| good	24.078 \| good	2.62 \| good	6.312 \| good	0.245 \| good
2026-03-06T20:00:00.000Z	38 \| good	6.641 \| good	29.756 \| good	23.714 \| good	2.426 \| good	6.238 \| good	0.238 \| good
2026-03-06T21:00:00.000Z	38 \| good	6.602 \| good	29.398 \| good	21.31 \| good	2.231 \| good	6.164 \| good	0.23 \| good
2026-03-06T22:00:00.000Z	56 \| moderate	12.189 \| fine	55.081 \| fine	18.526 \| good	1.906 \| good	6.864 \| good	0.227 \| good
2026-03-06T23:00:00.000Z	38 \| good	7.411 \| good	32.755 \| good	19.253 \| good	1.581 \| good	7.565 \| good	0.223 \| good
2026-03-07T00:00:00.000Z	44 \| good	8.281 \| good	36.083 \| good	21.041 \| good	1.257 \| good	8.266 \| good	0.22 \| good
2026-03-07T01:00:00.000Z	49 \| good	8.821 \| good	39.037 \| good	19.362 \| good	1.108 \| good	7.109 \| good	0.206 \| good
2026-03-07T02:00:00.000Z	44 \| good	8.108 \| good	35.632 \| good	19.985 \| good	0.959 \| good	5.953 \| good	0.191 \| good
2026-03-07T03:00:00.000Z	38 \| good	7.159 \| good	31.569 \| good	22.625 \| good	0.81 \| good	4.796 \| good	0.176 \| good
2026-03-07T04:00:00.000Z	33 \| good	6.193 \| good	27.861 \| good	23.065 \| good	0.751 \| good	4.365 \| good	0.173 \| good
2026-03-07T05:00:00.000Z	33 \| good	5.748 \| good	25.027 \| good	21.974 \| good	0.693 \| good	3.933 \| good	0.169 \| good
2026-03-07T06:00:00.000Z	33 \| good	6.423 \| good	28.642 \| good	19.385 \| good	0.634 \| good	3.502 \| good	0.166 \| good
2026-03-07T07:00:00.000Z	38 \| good	6.878 \| good	30.419 \| good	18.736 \| good	0.616 \| good	3.387 \| good	0.164 \| good
2026-03-07T08:00:00.000Z	38 \| good	7.283 \| good	32.29 \| good	16.238 \| good	0.597 \| good	3.273 \| good	0.161 \| good
2026-03-07T09:00:00.000Z	44 \| good	7.973 \| good	34.747 \| good	14.436 \| good	0.578 \| good	3.159 \| good	0.159 \| good
2026-03-07T10:00:00.000Z	38 \| good	7.346 \| good	32.433 \| good	14.951 \| good	0.635 \| good	4.562 \| good	0.167 \| good
2026-03-07T11:00:00.000Z	38 \| good	6.867 \| good	30.401 \| good	17.207 \| good	0.692 \| good	5.964 \| good	0.175 \| good
2026-03-07T12:00:00.000Z	44 \| good	7.644 \| good	33.392 \| good	18.106 \| good	0.748 \| good	7.367 \| good	0.183 \| good
2026-03-07T13:00:00.000Z	33 \| good	6.26 \| good	27.927 \| good	19.905 \| good	0.849 \| good	7.747 \| good	0.19 \| good
2026-03-07T14:00:00.000Z	33 \| good	6.32 \| good	28.064 \| good	22.751 \| good	0.951 \| good	8.126 \| good	0.197 \| good
2026-03-07T15:00:00.000Z	38 \| good	7.029 \| good	30.934 \| good	24.501 \| good	1.052 \| good	8.506 \| good	0.205 \| good
2026-03-07T16:00:00.000Z	38 \| good	7.378 \| good	32.578 \| good	25.455 \| good	1.119 \| good	7.408 \| good	0.197 \| good
2026-03-07T17:00:00.000Z	44 \| good	7.82 \| good	34.464 \| good	25.827 \| good	1.185 \| good	6.311 \| good	0.19 \| good
2026-03-07T18:00:00.000Z	49 \| good	8.541 \| good	37.585 \| good	28.404 \| good	1.251 \| good	5.213 \| good	0.182 \| good
2026-03-07T19:00:00.000Z	44 \| good	8.174 \| good	35.883 \| good	31.767 \| good	1.225 \| good	5.281 \| good	0.175 \| good
2026-03-07T20:00:00.000Z	49 \| good	8.93 \| good	39.242 \| good	34.838 \| good	1.2 \| good	5.349 \| good	0.168 \| good
2026-03-07T21:00:00.000Z	52 \| moderate	10.388 \| good	45.904 \| good	35.853 \| good	1.174 \| good	5.417 \| good	0.16 \| good
2026-03-07T22:00:00.000Z	54 \| moderate	11.389 \| good	50.538 \| good	31.337 \| good	1.146 \| good	6.603 \| good	0.159 \| good
2026-03-07T23:00:00.000Z	52 \| moderate	9.812 \| good	43.532 \| good	28.301 \| good	1.119 \| good	7.788 \| good	0.158 \| good
2026-03-08T00:00:00.000Z	54 \| moderate	10.848 \| good	47.992 \| good	31.407 \| good	1.092 \| good	8.973 \| good	0.156 \| good
2026-03-08T01:00:00.000Z	56 \| moderate	11.882 \| good	53.013 \| good	25.879 \| good	1.147 \| good	7.845 \| good	0.145 \| good
2026-03-08T02:00:00.000Z	52 \| moderate	9.874 \| good	43.792 \| good	20.083 \| good	1.202 \| good	6.717 \| good	0.133 \| good
2026-03-08T03:00:00.000Z	33 \| good	6.386 \| good	27.937 \| good	21.083 \| good	1.257 \| good	5.589 \| good	0.122 \| good
2026-03-08T04:00:00.000Z	33 \| good	5.532 \| good	23.845 \| good	22.358 \| good	1.249 \| good	4.935 \| good	0.118 \| good
2026-03-08T05:00:00.000Z	27 \| good	5.144 \| good	22.304 \| good	22.408 \| good	1.241 \| good	4.282 \| good	0.114 \| good
2026-03-08T06:00:00.000Z	33 \| good	6.442 \| good	6.594 \| good	29.682 \| good	1.237 \| good	3.625 \| good	0.109 \| good
2026-03-08T07:00:00.000Z	27 \| good	5.473 \| good	23.482 \| good	25.859 \| good	1.216 \| good	3.435 \| good	0.109 \| good
2026-03-08T08:00:00.000Z	33 \| good	6.006 \| good	27.057 \| good	24.996 \| good	1.199 \| good	3.241 \| good	0.109 \| good
2026-03-08T09:00:00.000Z	38 \| good	7.377 \| good	32.605 \| good	22.2 \| good	1.181 \| good	3.048 \| good	0.108 \| good
2026-03-08T10:00:00.000Z	38 \| good	6.564 \| good	28.999 \| good	19.376 \| good	1.177 \| good	3.92 \| good	0.114 \| good
2026-03-08T11:00:00.000Z	38 \| good	6.647 \| good	29.601 \| good	17.208 \| good	1.173 \| good	4.792 \| good	0.121 \| good
2026-03-08T12:00:00.000Z	33 \| good	6.3 \| good	6.388 \| good	25.687 \| good	1.168 \| good	5.669 \| good	0.127 \| good
2026-03-08T13:00:00.000Z	38 \| good	6.815 \| good	6.89 \| good	24.152 \| good	1.234 \| good	6.606 \| good	0.141 \| good
2026-03-08T14:00:00.000Z	38 \| good	7.152 \| good	7.219 \| good	22.617 \| good	1.301 \| good	7.543 \| good	0.154 \| 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	13.04μg/m³ Fine	42.61μg/m³ Good	13.44ppb Good	0.24ppb Good	12.56ppb Good	0.31ppm Good
Arbutus, Maryland	54 Moderate	10.83μg/m³ Good	45.19μg/m³ Good	14.30ppb Good	0.22ppb Good	9.78ppb Good	0.33ppm Good
Ballenger Creek, Maryland	56 Moderate	12.04μg/m³ Hazardous	45.60μg/m³ Good	4.04ppb Good	0.22ppb Good	12.44ppb Good	0.32ppm Good
Arnold, Maryland	54 Moderate	11.25μg/m³ Good	33.43μg/m³ Good	8.98ppb Good	0.23ppb Good	12.72ppb Good	0.32ppm Good
Bel Air town, Maryland	38 Good	7.16μg/m³ Good	27.75μg/m³ Good	17.19ppb Good	0.22ppb Good	10.21ppb Good	0.32ppm Good
Annapolis Neck, Maryland	56 Moderate	11.80μg/m³ Good	42.77μg/m³ Good	17.48ppb Good	0.18ppb Good	14.28ppb Good	0.32ppm Good
Baltimore, Maryland	52 Moderate	10.04μg/m³ Good	41.09μg/m³ Good	13.85ppb Good	0.22ppb Good	9.60ppb Good	0.32ppm Good
Bensville, Maryland	62 Moderate	14.84μg/m³ Fine	41.43μg/m³ Good	12.15ppb Good	0.23ppb Good	12.50ppb Good	0.31ppm Good
Bethesda, Maryland	54 Moderate	11.49μg/m³ Good	47.63μg/m³ Good	8.89ppb Good	0.23ppb Good	11.34ppb Good	0.33ppm Good
Annapolis, Maryland	56 Moderate	11.80μg/m³ Good	42.77μg/m³ Good	17.48ppb Good	0.18ppb Good	14.28ppb Good	0.32ppm Good
Bel Air South, Maryland	33 Good	6.17μg/m³ Good	23.41μg/m³ Good	19.33ppb Good	0.21ppb Good	11.24ppb Good	0.32ppm Good
Beltsville, Maryland	38 Good	6.97μg/m³ Good	29.18μg/m³ Good	12.29ppb Good	0.12ppb Good	8.93ppb Good	0.24ppm Good
Aberdeen, Maryland	38 Good	7.43μg/m³ Good	28.27μg/m³ Good	21.08ppb Good	0.19ppb Good	12.71ppb Good	0.32ppm Good
Adelphi, Maryland	56 Moderate	11.74μg/m³ Good	50.70μg/m³ Good	9.67ppb Good	0.20ppb Good	11.03ppb Good	0.35ppm Good
Aspen Hill, Maryland	38 Good	7.21μg/m³ Good	31.48μg/m³ Good	6.18ppb Good	0.21ppb Good	10.18ppb Good	0.33ppm Good
Bel Air North, Maryland	38 Good	6.91μg/m³ Good	24.73μg/m³ Good	20.92ppb Good	0.22ppb Good	9.88ppb Good	0.32ppm Good
Calverton, Maryland	49 Good	8.59μg/m³ Good	36.45μg/m³ Good	12.37ppb Good	0.16ppb Good	9.51ppb Good	0.29ppm Good
Brandywine, Maryland	60 Moderate	14.41μg/m³ Fine	49.64μg/m³ Good	14.56ppb Good	0.21ppb Good	14.39ppb Good	0.32ppm Good
Burtonsville, Maryland	44 Good	7.75μg/m³ Good	32.49μg/m³ Good	11.57ppb Good	0.16ppb Good	9.26ppb Good	0.29ppm Good
California, Maryland	38 Good	6.52μg/m³ Good	23.84μg/m³ Good	14.90ppb Good	0.25ppb Good	8.06ppb Good	0.32ppm Good
Bowie, Maryland	49 Good	9.00μg/m³ Good	33.01μg/m³ Good	16.50ppb Good	0.15ppb Good	9.88ppb Good	0.29ppm Good
Catonsville, Maryland	52 Moderate	10.30μg/m³ Good	42.86μg/m³ Good	13.19ppb Good	0.22ppb Good	9.80ppb Good	0.33ppm Good
Cambridge, Maryland	38 Good	6.79μg/m³ Good	31.59μg/m³ Good	17.45ppb Good	0.18ppb Good	8.48ppb Good	0.32ppm Good
Camp Springs, Maryland	56 Moderate	12.36μg/m³ Fine	54.34μg/m³ Fine	6.86ppb Good	0.23ppb Good	13.24ppb Good	0.36ppm Good
Carney, Maryland	49 Good	8.71μg/m³ Good	32.70μg/m³ Good	13.49ppb Good	0.22ppb Good	9.39ppb Good	0.32ppm Good
Chillum, Maryland	56 Moderate	12.37μg/m³ Fine	54.63μg/m³ Fine	10.11ppb Good	0.22ppb Good	11.46ppb Good	0.37ppm Good
Brock Hall, Maryland	56 Moderate	11.50μg/m³ Good	43.00μg/m³ Good	10.92ppb Good	0.20ppb Good	12.38ppb Good	0.32ppm Good
Parkville, Maryland	49 Good	8.71μg/m³ Good	32.70μg/m³ Good	13.49ppb Good	0.22ppb Good	9.39ppb Good	0.32ppm Good
Clarksburg, Maryland	56 Moderate	11.57μg/m³ Good	33.56μg/m³ Good	4.05ppb Good	0.23ppb Good	10.09ppb Good	0.32ppm Good
Cloverly, Maryland	62 Moderate	15.10μg/m³ Fine	41.27μg/m³ Good	7.44ppb Good	0.18ppb Good	10.00ppb Good	0.32ppm Good
College Park, Maryland	56 Moderate	11.62μg/m³ Good	51.04μg/m³ Good	9.06ppb Good	0.20ppb Good	11.43ppb Good	0.35ppm Good
Crofton, Maryland	49 Good	8.91μg/m³ Good	31.72μg/m³ Good	15.50ppb Good	0.19ppb Good	12.38ppb Good	0.32ppm Good
Cumberland, Maryland	33 Good	6.47μg/m³ Good	26.59μg/m³ Good	15.95ppb Good	0.49ppb Good	5.88ppb Good	0.32ppm Good
Columbia, Maryland	49 Good	9.13μg/m³ Good	39.83μg/m³ Good	12.27ppb Good	0.21ppb Good	9.86ppb Good	0.36ppm Good
Cockeysville, Maryland	38 Good	6.66μg/m³ Good	29.04μg/m³ Good	13.91ppb Good	0.22ppb Good	9.80ppb Good	0.32ppm Good
Damascus, Maryland	54 Moderate	11.45μg/m³ Good	33.44μg/m³ Good	9.00ppb Good	0.21ppb Good	10.05ppb Good	0.32ppm Good
Clinton, Maryland	60 Moderate	13.67μg/m³ Fine	41.69μg/m³ Good	14.34ppb Good	0.22ppb Good	12.52ppb Good	0.32ppm Good
Colesville, Maryland	49 Good	8.95μg/m³ Good	38.83μg/m³ Good	9.76ppb Good	0.19ppb Good	9.97ppb Good	0.32ppm Good
Dundalk, Maryland	49 Good	8.70μg/m³ Good	22.41μg/m³ Good	15.43ppb Good	0.22ppb Good	8.98ppb Good	0.32ppm Good
East Riverdale, Maryland	56 Moderate	12.16μg/m³ Fine	54.02μg/m³ Fine	7.87ppb Good	0.20ppb Good	12.18ppb Good	0.36ppm Good
Fairland, Maryland	44 Good	7.52μg/m³ Good	31.57μg/m³ Good	11.95ppb Good	0.15ppb Good	9.12ppb Good	0.28ppm Good
Eldersburg, Maryland	52 Moderate	10.07μg/m³ Good	37.80μg/m³ Good	9.08ppb Good	0.21ppb Good	9.88ppb Good	0.33ppm Good
Ellicott City, Maryland	54 Moderate	11.14μg/m³ Good	50.54μg/m³ Good	12.14ppb Good	0.24ppb Good	10.13ppb Good	0.33ppm Good
Forestville, Maryland	58 Moderate	12.70μg/m³ Fine	55.46μg/m³ Fine	6.79ppb Good	0.23ppb Good	13.28ppb Good	0.37ppm Good
Frederick, Maryland	56 Moderate	11.96μg/m³ Good	49.99μg/m³ Good	4.02ppb Good	0.21ppb Good	12.66ppb Good	0.32ppm Good
Fort Meade, Maryland	49 Good	9.06μg/m³ Good	36.77μg/m³ Good	14.33ppb Good	0.18ppb Good	9.63ppb Good	0.32ppm Good
Fort Washington, Maryland	56 Moderate	11.52μg/m³ Good	30.58μg/m³ Good	11.98ppb Good	0.24ppb Good	12.67ppb Good	0.31ppm Good
Easton, Maryland	58 Moderate	12.61μg/m³ Fine	43.45μg/m³ Good	22.02ppb Good	0.17ppb Good	6.92ppb Good	0.32ppm Good
Elkridge, Maryland	52 Moderate	9.92μg/m³ Good	41.24μg/m³ Good	13.80ppb Good	0.20ppb Good	9.73ppb Good	0.33ppm Good
Essex, Maryland	44 Good	8.29μg/m³ Good	12.30μg/m³ Good	15.96ppb Good	0.22ppb Good	8.49ppb Good	0.32ppm Good

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

0.35ppm

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 08:00:00 on 2026-03-06.

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 12:00:00 on 2026-03-06.

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 9.828 μg/m³.

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

The PM₁₀ concentration in Maryland, USA is 37.936 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 0.326 ppm.

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

Currently, Maryland, USA has a sulfur dioxide (SO₂) concentration of 0.212 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 11.745 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 10.715 ppb.

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