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

The PM10 concentration in Maryland, USA is 34.186 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 0.358 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 14.937 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 15.535 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 7.933 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)

7.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.86 μg/m³

155

255

425

605+

Ozone (O₃)

20.32 ppb

201

201+

Sulfur Dioxide (SO₂)

0.37 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.93 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Maryland, USA

Get Live Pollen Counts

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
2025-11-13T20:00:00.000Z	31 \| good	1.269 \| good	9.307 \| good	34.158 \| good	0.548 \| good	2.337 \| good	0.116 \| good
2025-11-13T21:00:00.000Z	29 \| good	1.652 \| good	11.02 \| good	30.522 \| good	0.435 \| good	2.652 \| good	0.116 \| good
2025-11-13T22:00:00.000Z	29 \| good	1.921 \| good	11.429 \| good	30.906 \| good	0.395 \| good	3.04 \| good	0.116 \| good
2025-11-13T23:00:00.000Z	30 \| good	3.215 \| good	9.049 \| good	31.517 \| good	0.451 \| good	4.405 \| good	0.134 \| good
2025-11-14T00:00:00.000Z	30 \| good	3.925 \| good	12.256 \| good	31.505 \| good	0.56 \| good	10.314 \| good	0.191 \| good
2025-11-14T01:00:00.000Z	19 \| good	3.046 \| good	13.661 \| good	20.757 \| good	0.389 \| good	12.671 \| good	0.234 \| good
2025-11-14T02:00:00.000Z	27 \| good	4.699 \| good	18.146 \| good	17.002 \| good	0.429 \| good	15.62 \| good	0.248 \| good
2025-11-14T03:00:00.000Z	38 \| good	7.07 \| good	33.073 \| good	11.482 \| good	0.421 \| good	26.491 \| good	0.415 \| good
2025-11-14T04:00:00.000Z	31 \| good	5.458 \| good	21.224 \| good	13.148 \| good	0.294 \| good	32.858 \| good	0.469 \| good
2025-11-14T05:00:00.000Z	30 \| good	4.704 \| good	25.521 \| good	9.538 \| good	0.392 \| good	32.137 \| good	0.529 \| good
2025-11-14T06:00:00.000Z	28 \| good	4.736 \| good	23.294 \| good	7.73 \| good	0.504 \| good	29.798 \| good	0.511 \| good
2025-11-14T07:00:00.000Z	27 \| good	4.774 \| good	17.012 \| good	5.63 \| good	0.505 \| good	29.443 \| good	0.479 \| good
2025-11-14T08:00:00.000Z	54 \| moderate	10.563 \| good	39.751 \| good	6.52 \| good	0.334 \| good	30.959 \| good	0.523 \| good
2025-11-14T09:00:00.000Z	49 \| good	8.64 \| good	29.953 \| good	4.471 \| good	0.344 \| good	29.053 \| good	0.523 \| good
2025-11-14T10:00:00.000Z	49 \| good	9.299 \| good	29.57 \| good	6.338 \| good	0.439 \| good	24.387 \| good	0.454 \| good
2025-11-14T11:00:00.000Z	24 \| good	3.358 \| good	12.563 \| good	8.87 \| good	0.33 \| good	24.665 \| good	0.511 \| good
2025-11-14T12:00:00.000Z	49 \| good	9.484 \| good	30.842 \| good	4.634 \| good	0.405 \| good	29.816 \| good	0.452 \| good
2025-11-14T13:00:00.000Z	33 \| good	5.894 \| good	14.845 \| good	5.85 \| good	0.522 \| good	29.227 \| good	0.452 \| good
2025-11-14T14:00:00.000Z	33 \| good	5.013 \| good	35.774 \| good	12.578 \| good	0.789 \| good	27.896 \| good	0.59 \| good
2025-11-14T15:00:00.000Z	38 \| good	6.508 \| good	21.501 \| good	12.079 \| good	0.896 \| good	25.787 \| good	0.402 \| good
2025-11-14T16:00:00.000Z	22 \| good	4.252 \| good	16.689 \| good	14.009 \| good	0.949 \| good	19.146 \| good	0.225 \| good
2025-11-14T17:00:00.000Z	33 \| good	6.493 \| good	22.737 \| good	22.427 \| good	0.512 \| good	9.814 \| good	0.167 \| good
2025-11-14T18:00:00.000Z	27 \| good	5.485 \| good	16.413 \| good	28.171 \| good	0.369 \| good	5.48 \| good	0.166 \| good
2025-11-14T19:00:00.000Z	29 \| good	3.625 \| good	13.85 \| good	31.401 \| good	0.391 \| good	4.992 \| good	0.158 \| good
2025-11-14T20:00:00.000Z	31 \| good	3.514 \| good	13.743 \| good	34.267 \| good	0.347 \| good	6.938 \| good	0.154 \| good
2025-11-14T21:00:00.000Z	31 \| good	3.932 \| good	12.345 \| good	32.887 \| good	0.281 \| good	7.675 \| good	0.154 \| good
2025-11-14T22:00:00.000Z	30 \| good	3.744 \| good	14.772 \| good	31.585 \| good	0.314 \| good	6.566 \| good	0.158 \| good
2025-11-14T23:00:00.000Z	25 \| good	3.43 \| good	12.776 \| good	27.26 \| good	0.38 \| good	10.033 \| good	0.188 \| good
2025-11-15T00:00:00.000Z	27 \| good	4.528 \| good	17.417 \| good	26.327 \| good	0.317 \| good	15.075 \| good	0.39 \| good
2025-11-15T01:00:00.000Z	29 \| good	3.817 \| good	14.771 \| good	21.848 \| good	0.356 \| good	30.977 \| good	0.48 \| good
2025-11-15T02:00:00.000Z	30 \| good	4.726 \| good	20.645 \| good	18.398 \| good	0.358 \| good	32.119 \| good	0.481 \| good
2025-11-15T03:00:00.000Z	27 \| good	5.262 \| good	18.325 \| good	19.609 \| good	0.278 \| good	29.093 \| good	0.345 \| good
2025-11-15T04:00:00.000Z	33 \| good	5.564 \| good	16.029 \| good	21.645 \| good	0.291 \| good	25.006 \| good	0.345 \| good
2025-11-15T05:00:00.000Z	38 \| good	6.673 \| good	28.906 \| good	22.8 \| good	0.247 \| good	18.94 \| good	0.331 \| good
2025-11-15T06:00:00.000Z	44 \| good	7.765 \| good	31.908 \| good	19.484 \| good	0.234 \| good	19.513 \| good	0.272 \| good
2025-11-15T07:00:00.000Z	44 \| good	7.807 \| good	32.509 \| good	17.462 \| good	0.235 \| good	19.294 \| good	0.291 \| good
2025-11-15T08:00:00.000Z	44 \| good	7.521 \| good	29.735 \| good	17.199 \| good	0.323 \| good	22.812 \| good	0.29 \| good
2025-11-15T09:00:00.000Z	44 \| good	8.123 \| good	27.614 \| good	12.234 \| good	0.351 \| good	22.994 \| good	0.317 \| good
2025-11-15T10:00:00.000Z	44 \| good	7.991 \| good	28.235 \| good	14.444 \| good	0.312 \| good	22.413 \| good	0.317 \| good
2025-11-15T11:00:00.000Z	38 \| good	7.481 \| good	32.38 \| good	14.35 \| good	0.309 \| good	22.021 \| good	0.342 \| good
2025-11-15T12:00:00.000Z	38 \| good	7.021 \| good	37.427 \| good	6.85 \| good	0.29 \| good	23.969 \| good	0.381 \| good
2025-11-15T13:00:00.000Z	33 \| good	5.634 \| good	27.624 \| good	11.208 \| good	0.288 \| good	19.785 \| good	0.384 \| good
2025-11-15T14:00:00.000Z	38 \| good	6.97 \| good	32.773 \| good	10.95 \| good	0.288 \| good	16.814 \| good	0.448 \| good
2025-11-15T15:00:00.000Z	58 \| moderate	13.04 \| fine	56.783 \| fine	7.802 \| good	0.326 \| good	14.508 \| good	0.425 \| good
2025-11-15T16:00:00.000Z	49 \| good	9.344 \| good	45.888 \| good	10.773 \| good	0.331 \| good	14.4 \| good	0.38 \| good
2025-11-15T17:00:00.000Z	38 \| good	6.73 \| good	31.949 \| good	13.787 \| good	0.398 \| good	17.771 \| good	0.381 \| good
2025-11-15T18:00:00.000Z	38 \| good	6.648 \| good	29.637 \| good	15.722 \| good	0.317 \| good	17.358 \| good	0.355 \| good
2025-11-15T19:00:00.000Z	38 \| good	7.295 \| good	32.435 \| good	18.45 \| good	0.319 \| good	15.561 \| good	0.341 \| good
2025-11-15T19:00:00.000Z	38 \| good	7.452 \| good	29.86 \| good	20.321 \| good	0.371 \| good	12.926 \| good	0.359 \| good
2025-11-15T17:00:00.000Z	54 \| moderate	11.315 \| good	50.683 \| good	20.522 \| good	4.727 \| good	16.761 \| good	0.334 \| good
2025-11-15T18:00:00.000Z	52 \| moderate	10.307 \| good	45.621 \| good	21.294 \| good	5.048 \| good	16.339 \| good	0.297 \| good
2025-11-15T19:00:00.000Z	54 \| moderate	10.787 \| good	47.671 \| good	21.845 \| good	4.552 \| good	16.533 \| good	0.293 \| good
2025-11-15T20:00:00.000Z	54 \| moderate	10.689 \| good	47.368 \| good	22.699 \| good	4.057 \| good	16.727 \| good	0.289 \| good
2025-11-15T21:00:00.000Z	49 \| good	8.812 \| good	38.664 \| good	22.895 \| good	3.561 \| good	16.921 \| good	0.285 \| good
2025-11-15T22:00:00.000Z	38 \| good	7.1 \| good	31.398 \| good	22.723 \| good	2.969 \| good	15.397 \| good	0.271 \| good
2025-11-15T23:00:00.000Z	30 \| good	4.773 \| good	20.979 \| good	32.235 \| good	2.377 \| good	13.873 \| good	0.256 \| good
2025-11-16T00:00:00.000Z	33 \| good	6.015 \| good	26.92 \| good	35.469 \| good	1.785 \| good	12.349 \| good	0.242 \| good
2025-11-16T01:00:00.000Z	38 \| good	6.91 \| good	30.483 \| good	34.671 \| good	1.551 \| good	10.176 \| good	0.22 \| good
2025-11-16T02:00:00.000Z	33 \| good	6.161 \| good	27.352 \| good	34.145 \| good	1.317 \| good	8.002 \| good	0.199 \| good
2025-11-16T03:00:00.000Z	33 \| good	5.817 \| good	25.175 \| good	32.768 \| good	1.083 \| good	5.829 \| good	0.177 \| good
2025-11-16T04:00:00.000Z	33 \| good	5.803 \| good	25.175 \| good	30.965 \| good	1.068 \| good	5.058 \| good	0.169 \| good
2025-11-16T05:00:00.000Z	33 \| good	6.499 \| good	29.061 \| good	32.106 \| good	1.052 \| good	4.286 \| good	0.161 \| good
2025-11-16T06:00:00.000Z	33 \| good	5.99 \| good	26.567 \| good	31.831 \| good	1.036 \| good	3.514 \| good	0.153 \| good
2025-11-16T07:00:00.000Z	28 \| good	5.1 \| good	21.799 \| good	29.757 \| good	1.296 \| good	3.295 \| good	0.151 \| good
2025-11-16T08:00:00.000Z	26 \| good	3.21 \| good	13.853 \| good	28.243 \| good	1.555 \| good	3.076 \| good	0.149 \| good
2025-11-16T09:00:00.000Z	28 \| good	3.174 \| good	13.47 \| good	30.371 \| good	1.815 \| good	2.857 \| good	0.147 \| good
2025-11-16T10:00:00.000Z	29 \| good	2.685 \| good	10.766 \| good	30.788 \| good	1.853 \| good	3.498 \| good	0.153 \| good
2025-11-16T11:00:00.000Z	28 \| good	4.02 \| good	17.459 \| good	29.537 \| good	1.891 \| good	4.139 \| good	0.159 \| good
2025-11-16T12:00:00.000Z	27 \| good	4.794 \| good	20.68 \| good	27.751 \| good	1.929 \| good	4.779 \| good	0.166 \| good
2025-11-16T13:00:00.000Z	26 \| good	2.706 \| good	11.153 \| good	27.996 \| good	1.819 \| good	3.982 \| good	0.163 \| good
2025-11-16T14:00:00.000Z	29 \| good	1.284 \| good	5.06 \| good	30.777 \| good	1.71 \| good	3.185 \| good	0.159 \| good
2025-11-16T15:00:00.000Z	30 \| good	1.418 \| good	5.616 \| good	31.986 \| good	1.601 \| good	2.388 \| good	0.156 \| good
2025-11-16T16:00:00.000Z	31 \| good	1.298 \| good	5.037 \| good	33.246 \| good	1.548 \| good	2.193 \| good	0.151 \| good
2025-11-16T17:00:00.000Z	32 \| good	1.245 \| good	4.926 \| good	34.713 \| good	1.496 \| good	1.997 \| good	0.146 \| good
2025-11-16T18:00:00.000Z	33 \| good	1.009 \| good	4.037 \| good	35.884 \| good	1.443 \| good	1.802 \| good	0.142 \| good
2025-11-16T19:00:00.000Z	32 \| good	1.529 \| good	6.085 \| good	35.287 \| good	1.397 \| good	2.082 \| good	0.141 \| good
2025-11-16T20:00:00.000Z	33 \| good	1.501 \| good	6.25 \| good	35.775 \| good	1.351 \| good	2.362 \| good	0.14 \| good
2025-11-16T21:00:00.000Z	32 \| good	1.125 \| good	4.854 \| good	35.349 \| good	1.305 \| good	2.641 \| good	0.139 \| good
2025-11-16T22:00:00.000Z	29 \| good	1.672 \| good	6.908 \| good	31.413 \| good	1.295 \| good	3.065 \| good	0.142 \| good
2025-11-16T23:00:00.000Z	28 \| good	2.027 \| good	7.973 \| good	29.89 \| good	1.284 \| good	3.488 \| good	0.146 \| good
2025-11-17T00:00:00.000Z	26 \| good	2.995 \| good	12.113 \| good	27.811 \| good	1.274 \| good	3.912 \| good	0.15 \| good
2025-11-17T01:00:00.000Z	24 \| good	3.128 \| good	13.008 \| good	26.47 \| good	1.285 \| good	3.774 \| good	0.149 \| good
2025-11-17T02:00:00.000Z	24 \| good	1.998 \| good	8.287 \| good	26.456 \| good	1.296 \| good	3.637 \| good	0.149 \| good
2025-11-17T03:00:00.000Z	26 \| good	1.2 \| good	4.812 \| good	27.658 \| good	1.307 \| good	3.499 \| good	0.148 \| good
2025-11-17T04:00:00.000Z	25 \| good	1.741 \| good	7.275 \| good	26.8 \| good	1.315 \| good	3.213 \| good	0.146 \| good
2025-11-17T05:00:00.000Z	24 \| good	2.471 \| good	10.096 \| good	26.421 \| good	1.324 \| good	2.927 \| good	0.144 \| good
2025-11-17T06:00:00.000Z	23 \| good	2.347 \| good	9.775 \| good	25.327 \| good	1.333 \| good	2.641 \| good	0.142 \| good
2025-11-17T07:00:00.000Z	22 \| good	1.758 \| good	7.517 \| good	24.442 \| good	1.317 \| good	2.549 \| good	0.141 \| good
2025-11-17T08:00:00.000Z	22 \| good	1.713 \| good	7.288 \| good	24.44 \| good	1.302 \| good	2.458 \| good	0.14 \| good
2025-11-17T09:00:00.000Z	22 \| good	2.075 \| good	8.493 \| good	24.211 \| good	1.286 \| good	2.367 \| good	0.139 \| good
2025-11-17T10:00:00.000Z	22 \| good	1.373 \| good	5.559 \| good	23.558 \| good	1.272 \| good	2.904 \| good	0.142 \| good
2025-11-17T11:00:00.000Z	22 \| good	1.095 \| good	4.67 \| good	23.789 \| good	1.258 \| good	3.441 \| good	0.145 \| good
2025-11-17T12:00:00.000Z	21 \| good	0.611 \| good	2.228 \| good	23.408 \| good	1.244 \| good	3.978 \| good	0.148 \| good
2025-11-17T13:00:00.000Z	22 \| good	0.692 \| good	2.654 \| good	24.305 \| good	1.175 \| good	3.365 \| good	0.145 \| good
2025-11-17T14:00:00.000Z	27 \| good	0.548 \| good	2.061 \| good	28.573 \| good	1.106 \| good	2.752 \| good	0.142 \| good
2025-11-17T15:00:00.000Z	28 \| good	1.087 \| good	4.401 \| good	30.034 \| good	1.037 \| good	2.139 \| good	0.139 \| good
2025-11-17T16:00:00.000Z	28 \| good	1.729 \| good	7.069 \| good	30.364 \| good	1.087 \| good	2.018 \| good	0.138 \| 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
Eldersburg, Maryland	58 Moderate	12.79μg/m³ Fine	64.97μg/m³ Fine	22.02ppb Good	0.29ppb Good	17.91ppb Good	0.36ppm Good
Garrison, Maryland	56 Moderate	12.30μg/m³ Fine	55.81μg/m³ Fine	16.70ppb Good	0.29ppb Good	16.28ppb Good	0.35ppm Good
Milford Mill, Maryland	56 Moderate	12.37μg/m³ Fine	56.21μg/m³ Fine	16.62ppb Good	0.29ppb Good	16.35ppb Good	0.35ppm Good
Pikesville, Maryland	56 Moderate	12.31μg/m³ Fine	55.83μg/m³ Fine	16.70ppb Good	0.29ppb Good	16.28ppb Good	0.35ppm Good
Westminster, Maryland	56 Moderate	12.16μg/m³ Fine	53.36μg/m³ Good	20.92ppb Good	0.30ppb Good	17.95ppb Good	0.36ppm Good
Lochearn, Maryland	56 Moderate	11.82μg/m³ Good	53.14μg/m³ Good	17.16ppb Good	0.30ppb Good	15.87ppb Good	0.35ppm Good
Reisterstown, Maryland	56 Moderate	11.96μg/m³ Good	51.66μg/m³ Good	16.57ppb Good	0.29ppb Good	19.80ppb Good	0.36ppm Good
Owings Mills, Maryland	56 Moderate	11.74μg/m³ Good	52.59μg/m³ Good	17.23ppb Good	0.30ppb Good	15.78ppb Good	0.35ppm Good
Randallstown, Maryland	56 Moderate	11.86μg/m³ Good	53.39μg/m³ Good	17.06ppb Good	0.30ppb Good	15.94ppb Good	0.35ppm Good
Ellicott City, Maryland	54 Moderate	11.05μg/m³ Good	41.92μg/m³ Good	16.32ppb Good	0.29ppb Good	16.86ppb Good	0.34ppm Good
Catonsville, Maryland	52 Moderate	10.32μg/m³ Good	45.06μg/m³ Good	18.39ppb Good	0.30ppb Good	14.77ppb Good	0.34ppm Good
Cloverly, Maryland	52 Moderate	9.98μg/m³ Good	45.98μg/m³ Good	18.90ppb Good	0.20ppb Good	15.94ppb Good	0.35ppm Good
Cumberland, Maryland	52 Moderate	9.82μg/m³ Good	45.61μg/m³ Good	19.48ppb Good	1.18ppb Good	4.17ppb Good	0.22ppm Good
Cockeysville, Maryland	52 Moderate	9.96μg/m³ Good	46.27μg/m³ Good	19.40ppb Good	0.30ppb Good	14.09ppb Good	0.36ppm Good
Mays Chapel, Maryland	52 Moderate	9.90μg/m³ Good	41.88μg/m³ Good	19.52ppb Good	0.33ppb Good	13.88ppb Good	0.35ppm Good
Linganore, Maryland	49 Good	9.22μg/m³ Good	41.01μg/m³ Good	27.70ppb Good	0.32ppb Good	20.15ppb Good	0.38ppm Good
North Laurel, Maryland	49 Good	9.36μg/m³ Good	41.84μg/m³ Good	18.39ppb Good	0.30ppb Good	16.64ppb Good	0.30ppm Good
Green Valley, Maryland	49 Good	9.06μg/m³ Good	39.45μg/m³ Good	27.26ppb Good	0.30ppb Good	15.52ppb Good	0.37ppm Good
Columbia, Maryland	49 Good	8.83μg/m³ Good	39.52μg/m³ Good	18.49ppb Good	0.28ppb Good	15.62ppb Good	0.30ppm Good
Ilchester, Maryland	49 Good	8.86μg/m³ Good	38.28μg/m³ Good	19.01ppb Good	0.28ppb Good	14.38ppb Good	0.31ppm Good
Redland, Maryland	49 Good	8.91μg/m³ Good	39.88μg/m³ Good	17.14ppb Good	0.25ppb Good	16.93ppb Good	0.38ppm Good
Rockville, Maryland	49 Good	8.83μg/m³ Good	39.36μg/m³ Good	16.72ppb Good	0.26ppb Good	17.57ppb Good	0.39ppm Good
Essex, Maryland	49 Good	8.67μg/m³ Good	16.80μg/m³ Good	24.82ppb Good	0.49ppb Good	9.25ppb Good	0.36ppm Good
Elkridge, Maryland	49 Good	8.80μg/m³ Good	37.95μg/m³ Good	19.04ppb Good	0.28ppb Good	14.34ppb Good	0.31ppm Good
Olney, Maryland	49 Good	8.71μg/m³ Good	39.30μg/m³ Good	17.29ppb Good	0.24ppb Good	16.53ppb Good	0.37ppm Good
Dundalk, Maryland	49 Good	8.58μg/m³ Good	22.25μg/m³ Good	23.62ppb Good	0.45ppb Good	10.29ppb Good	0.36ppm Good
Middle River, Maryland	49 Good	8.53μg/m³ Good	19.36μg/m³ Good	24.24ppb Good	0.47ppb Good	9.71ppb Good	0.36ppm Good
Montgomery Village, Maryland	49 Good	8.53μg/m³ Good	37.59μg/m³ Good	17.02ppb Good	0.26ppb Good	16.57ppb Good	0.37ppm Good
Rossville, Maryland	49 Good	8.54μg/m³ Good	21.28μg/m³ Good	23.85ppb Good	0.45ppb Good	10.07ppb Good	0.36ppm Good
Overlea, Maryland	49 Good	8.54μg/m³ Good	21.28μg/m³ Good	23.85ppb Good	0.45ppb Good	10.07ppb Good	0.36ppm Good
Rosedale, Maryland	49 Good	8.58μg/m³ Good	19.76μg/m³ Good	24.18ppb Good	0.47ppb Good	9.80ppb Good	0.36ppm Good
Towson, Maryland	49 Good	8.53μg/m³ Good	34.92μg/m³ Good	20.96ppb Good	0.34ppb Good	12.60ppb Good	0.36ppm Good
Aspen Hill, Maryland	44 Good	8.40μg/m³ Good	37.88μg/m³ Good	17.04ppb Good	0.25ppb Good	16.90ppb Good	0.39ppm Good
Baltimore, Maryland	44 Good	8.40μg/m³ Good	34.30μg/m³ Good	20.97ppb Good	0.33ppb Good	12.54ppb Good	0.35ppm Good
Parkville, Maryland	44 Good	8.31μg/m³ Good	30.49μg/m³ Good	21.88ppb Good	0.37ppb Good	11.78ppb Good	0.36ppm Good
Carney, Maryland	44 Good	8.31μg/m³ Good	30.49μg/m³ Good	21.88ppb Good	0.37ppb Good	11.78ppb Good	0.36ppm Good
Flower Hill, Maryland	44 Good	8.39μg/m³ Good	36.28μg/m³ Good	16.58ppb Good	0.27ppb Good	17.03ppb Good	0.38ppm Good
North Bethesda, Maryland	44 Good	8.44μg/m³ Good	37.18μg/m³ Good	16.26ppb Good	0.28ppb Good	18.28ppb Good	0.41ppm Good
Perry Hall, Maryland	44 Good	8.28μg/m³ Good	24.48μg/m³ Good	23.19ppb Good	0.42ppb Good	10.46ppb Good	0.36ppm Good
Travilah, Maryland	44 Good	8.15μg/m³ Good	35.20μg/m³ Good	16.25ppb Good	0.30ppb Good	18.99ppb Good	0.41ppm Good
White Marsh, Maryland	44 Good	8.28μg/m³ Good	24.40μg/m³ Good	23.20ppb Good	0.42ppb Good	10.45ppb Good	0.36ppm Good
Damascus, Maryland	44 Good	7.79μg/m³ Good	39.46μg/m³ Good	25.38ppb Good	0.28ppb Good	16.73ppb Good	0.37ppm Good
Honeygo, Maryland	44 Good	7.91μg/m³ Good	24.59μg/m³ Good	23.06ppb Good	0.42ppb Good	10.42ppb Good	0.36ppm Good
Scaggsville, Maryland	44 Good	7.90μg/m³ Good	35.35μg/m³ Good	18.44ppb Good	0.26ppb Good	15.24ppb Good	0.29ppm Good
Urbana, Maryland	44 Good	7.76μg/m³ Good	34.79μg/m³ Good	27.33ppb Good	0.32ppb Good	18.42ppb Good	0.38ppm Good
Fort Meade, Maryland	44 Good	7.61μg/m³ Good	34.05μg/m³ Good	18.61ppb Good	0.25ppb Good	14.27ppb Good	0.29ppm Good
Frederick, Maryland	44 Good	7.61μg/m³ Good	33.97μg/m³ Good	27.93ppb Good	0.33ppb Good	19.88ppb Good	0.38ppm Good
Glenmont, Maryland	38 Good	7.43μg/m³ Good	33.46μg/m³ Good	16.62ppb Good	0.27ppb Good	17.44ppb Good	0.40ppm Good
Wheaton, Maryland	38 Good	7.43μg/m³ Good	33.46μg/m³ Good	16.62ppb Good	0.27ppb Good	17.44ppb Good	0.40ppm Good
Bensville, Maryland	38 Good	7.27μg/m³ Good	26.09μg/m³ Good	26.14ppb Good	0.65ppb Good	9.42ppb Good	0.40ppm Good

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

0.22ppm

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

Check live rankings of places in the USA affected by air pollution.

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Check live rankings of places in the USA with the cleanest air.

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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 2025-11-15.

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 2025-11-14.

What is the AQI in Maryland, USA right now?

As of now, the AQI in Maryland, USA is 44, 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 7.933 μg/m³.

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

The PM₁₀ concentration in Maryland, USA is 34.186 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 0.393 ppm.

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

Currently, Maryland, USA has a sulfur dioxide (SO₂) concentration of 0.358 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 14.937 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 15.535 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-11-13T20:00:00.000Z	31 \| good	1.269 \| good	9.307 \| good	34.158 \| good	0.548 \| good	2.337 \| good	0.116 \| good
2025-11-13T21:00:00.000Z	29 \| good	1.652 \| good	11.02 \| good	30.522 \| good	0.435 \| good	2.652 \| good	0.116 \| good
2025-11-13T22:00:00.000Z	29 \| good	1.921 \| good	11.429 \| good	30.906 \| good	0.395 \| good	3.04 \| good	0.116 \| good
2025-11-13T23:00:00.000Z	30 \| good	3.215 \| good	9.049 \| good	31.517 \| good	0.451 \| good	4.405 \| good	0.134 \| good
2025-11-14T00:00:00.000Z	30 \| good	3.925 \| good	12.256 \| good	31.505 \| good	0.56 \| good	10.314 \| good	0.191 \| good
2025-11-14T01:00:00.000Z	19 \| good	3.046 \| good	13.661 \| good	20.757 \| good	0.389 \| good	12.671 \| good	0.234 \| good
2025-11-14T02:00:00.000Z	27 \| good	4.699 \| good	18.146 \| good	17.002 \| good	0.429 \| good	15.62 \| good	0.248 \| good
2025-11-14T03:00:00.000Z	38 \| good	7.07 \| good	33.073 \| good	11.482 \| good	0.421 \| good	26.491 \| good	0.415 \| good
2025-11-14T04:00:00.000Z	31 \| good	5.458 \| good	21.224 \| good	13.148 \| good	0.294 \| good	32.858 \| good	0.469 \| good
2025-11-14T05:00:00.000Z	30 \| good	4.704 \| good	25.521 \| good	9.538 \| good	0.392 \| good	32.137 \| good	0.529 \| good
2025-11-14T06:00:00.000Z	28 \| good	4.736 \| good	23.294 \| good	7.73 \| good	0.504 \| good	29.798 \| good	0.511 \| good
2025-11-14T07:00:00.000Z	27 \| good	4.774 \| good	17.012 \| good	5.63 \| good	0.505 \| good	29.443 \| good	0.479 \| good
2025-11-14T08:00:00.000Z	54 \| moderate	10.563 \| good	39.751 \| good	6.52 \| good	0.334 \| good	30.959 \| good	0.523 \| good
2025-11-14T09:00:00.000Z	49 \| good	8.64 \| good	29.953 \| good	4.471 \| good	0.344 \| good	29.053 \| good	0.523 \| good
2025-11-14T10:00:00.000Z	49 \| good	9.299 \| good	29.57 \| good	6.338 \| good	0.439 \| good	24.387 \| good	0.454 \| good
2025-11-14T11:00:00.000Z	24 \| good	3.358 \| good	12.563 \| good	8.87 \| good	0.33 \| good	24.665 \| good	0.511 \| good
2025-11-14T12:00:00.000Z	49 \| good	9.484 \| good	30.842 \| good	4.634 \| good	0.405 \| good	29.816 \| good	0.452 \| good
2025-11-14T13:00:00.000Z	33 \| good	5.894 \| good	14.845 \| good	5.85 \| good	0.522 \| good	29.227 \| good	0.452 \| good
2025-11-14T14:00:00.000Z	33 \| good	5.013 \| good	35.774 \| good	12.578 \| good	0.789 \| good	27.896 \| good	0.59 \| good
2025-11-14T15:00:00.000Z	38 \| good	6.508 \| good	21.501 \| good	12.079 \| good	0.896 \| good	25.787 \| good	0.402 \| good
2025-11-14T16:00:00.000Z	22 \| good	4.252 \| good	16.689 \| good	14.009 \| good	0.949 \| good	19.146 \| good	0.225 \| good
2025-11-14T17:00:00.000Z	33 \| good	6.493 \| good	22.737 \| good	22.427 \| good	0.512 \| good	9.814 \| good	0.167 \| good
2025-11-14T18:00:00.000Z	27 \| good	5.485 \| good	16.413 \| good	28.171 \| good	0.369 \| good	5.48 \| good	0.166 \| good
2025-11-14T19:00:00.000Z	29 \| good	3.625 \| good	13.85 \| good	31.401 \| good	0.391 \| good	4.992 \| good	0.158 \| good
2025-11-14T20:00:00.000Z	31 \| good	3.514 \| good	13.743 \| good	34.267 \| good	0.347 \| good	6.938 \| good	0.154 \| good
2025-11-14T21:00:00.000Z	31 \| good	3.932 \| good	12.345 \| good	32.887 \| good	0.281 \| good	7.675 \| good	0.154 \| good
2025-11-14T22:00:00.000Z	30 \| good	3.744 \| good	14.772 \| good	31.585 \| good	0.314 \| good	6.566 \| good	0.158 \| good
2025-11-14T23:00:00.000Z	25 \| good	3.43 \| good	12.776 \| good	27.26 \| good	0.38 \| good	10.033 \| good	0.188 \| good
2025-11-15T00:00:00.000Z	27 \| good	4.528 \| good	17.417 \| good	26.327 \| good	0.317 \| good	15.075 \| good	0.39 \| good
2025-11-15T01:00:00.000Z	29 \| good	3.817 \| good	14.771 \| good	21.848 \| good	0.356 \| good	30.977 \| good	0.48 \| good
2025-11-15T02:00:00.000Z	30 \| good	4.726 \| good	20.645 \| good	18.398 \| good	0.358 \| good	32.119 \| good	0.481 \| good
2025-11-15T03:00:00.000Z	27 \| good	5.262 \| good	18.325 \| good	19.609 \| good	0.278 \| good	29.093 \| good	0.345 \| good
2025-11-15T04:00:00.000Z	33 \| good	5.564 \| good	16.029 \| good	21.645 \| good	0.291 \| good	25.006 \| good	0.345 \| good
2025-11-15T05:00:00.000Z	38 \| good	6.673 \| good	28.906 \| good	22.8 \| good	0.247 \| good	18.94 \| good	0.331 \| good
2025-11-15T06:00:00.000Z	44 \| good	7.765 \| good	31.908 \| good	19.484 \| good	0.234 \| good	19.513 \| good	0.272 \| good
2025-11-15T07:00:00.000Z	44 \| good	7.807 \| good	32.509 \| good	17.462 \| good	0.235 \| good	19.294 \| good	0.291 \| good
2025-11-15T08:00:00.000Z	44 \| good	7.521 \| good	29.735 \| good	17.199 \| good	0.323 \| good	22.812 \| good	0.29 \| good
2025-11-15T09:00:00.000Z	44 \| good	8.123 \| good	27.614 \| good	12.234 \| good	0.351 \| good	22.994 \| good	0.317 \| good
2025-11-15T10:00:00.000Z	44 \| good	7.991 \| good	28.235 \| good	14.444 \| good	0.312 \| good	22.413 \| good	0.317 \| good
2025-11-15T11:00:00.000Z	38 \| good	7.481 \| good	32.38 \| good	14.35 \| good	0.309 \| good	22.021 \| good	0.342 \| good
2025-11-15T12:00:00.000Z	38 \| good	7.021 \| good	37.427 \| good	6.85 \| good	0.29 \| good	23.969 \| good	0.381 \| good
2025-11-15T13:00:00.000Z	33 \| good	5.634 \| good	27.624 \| good	11.208 \| good	0.288 \| good	19.785 \| good	0.384 \| good
2025-11-15T14:00:00.000Z	38 \| good	6.97 \| good	32.773 \| good	10.95 \| good	0.288 \| good	16.814 \| good	0.448 \| good
2025-11-15T15:00:00.000Z	58 \| moderate	13.04 \| fine	56.783 \| fine	7.802 \| good	0.326 \| good	14.508 \| good	0.425 \| good
2025-11-15T16:00:00.000Z	49 \| good	9.344 \| good	45.888 \| good	10.773 \| good	0.331 \| good	14.4 \| good	0.38 \| good
2025-11-15T17:00:00.000Z	38 \| good	6.73 \| good	31.949 \| good	13.787 \| good	0.398 \| good	17.771 \| good	0.381 \| good
2025-11-15T18:00:00.000Z	38 \| good	6.648 \| good	29.637 \| good	15.722 \| good	0.317 \| good	17.358 \| good	0.355 \| good
2025-11-15T19:00:00.000Z	38 \| good	7.295 \| good	32.435 \| good	18.45 \| good	0.319 \| good	15.561 \| good	0.341 \| good
2025-11-15T19:00:00.000Z	38 \| good	7.452 \| good	29.86 \| good	20.321 \| good	0.371 \| good	12.926 \| good	0.359 \| good
2025-11-15T17:00:00.000Z	54 \| moderate	11.315 \| good	50.683 \| good	20.522 \| good	4.727 \| good	16.761 \| good	0.334 \| good
2025-11-15T18:00:00.000Z	52 \| moderate	10.307 \| good	45.621 \| good	21.294 \| good	5.048 \| good	16.339 \| good	0.297 \| good
2025-11-15T19:00:00.000Z	54 \| moderate	10.787 \| good	47.671 \| good	21.845 \| good	4.552 \| good	16.533 \| good	0.293 \| good
2025-11-15T20:00:00.000Z	54 \| moderate	10.689 \| good	47.368 \| good	22.699 \| good	4.057 \| good	16.727 \| good	0.289 \| good
2025-11-15T21:00:00.000Z	49 \| good	8.812 \| good	38.664 \| good	22.895 \| good	3.561 \| good	16.921 \| good	0.285 \| good
2025-11-15T22:00:00.000Z	38 \| good	7.1 \| good	31.398 \| good	22.723 \| good	2.969 \| good	15.397 \| good	0.271 \| good
2025-11-15T23:00:00.000Z	30 \| good	4.773 \| good	20.979 \| good	32.235 \| good	2.377 \| good	13.873 \| good	0.256 \| good
2025-11-16T00:00:00.000Z	33 \| good	6.015 \| good	26.92 \| good	35.469 \| good	1.785 \| good	12.349 \| good	0.242 \| good
2025-11-16T01:00:00.000Z	38 \| good	6.91 \| good	30.483 \| good	34.671 \| good	1.551 \| good	10.176 \| good	0.22 \| good
2025-11-16T02:00:00.000Z	33 \| good	6.161 \| good	27.352 \| good	34.145 \| good	1.317 \| good	8.002 \| good	0.199 \| good
2025-11-16T03:00:00.000Z	33 \| good	5.817 \| good	25.175 \| good	32.768 \| good	1.083 \| good	5.829 \| good	0.177 \| good
2025-11-16T04:00:00.000Z	33 \| good	5.803 \| good	25.175 \| good	30.965 \| good	1.068 \| good	5.058 \| good	0.169 \| good
2025-11-16T05:00:00.000Z	33 \| good	6.499 \| good	29.061 \| good	32.106 \| good	1.052 \| good	4.286 \| good	0.161 \| good
2025-11-16T06:00:00.000Z	33 \| good	5.99 \| good	26.567 \| good	31.831 \| good	1.036 \| good	3.514 \| good	0.153 \| good
2025-11-16T07:00:00.000Z	28 \| good	5.1 \| good	21.799 \| good	29.757 \| good	1.296 \| good	3.295 \| good	0.151 \| good
2025-11-16T08:00:00.000Z	26 \| good	3.21 \| good	13.853 \| good	28.243 \| good	1.555 \| good	3.076 \| good	0.149 \| good
2025-11-16T09:00:00.000Z	28 \| good	3.174 \| good	13.47 \| good	30.371 \| good	1.815 \| good	2.857 \| good	0.147 \| good
2025-11-16T10:00:00.000Z	29 \| good	2.685 \| good	10.766 \| good	30.788 \| good	1.853 \| good	3.498 \| good	0.153 \| good
2025-11-16T11:00:00.000Z	28 \| good	4.02 \| good	17.459 \| good	29.537 \| good	1.891 \| good	4.139 \| good	0.159 \| good
2025-11-16T12:00:00.000Z	27 \| good	4.794 \| good	20.68 \| good	27.751 \| good	1.929 \| good	4.779 \| good	0.166 \| good
2025-11-16T13:00:00.000Z	26 \| good	2.706 \| good	11.153 \| good	27.996 \| good	1.819 \| good	3.982 \| good	0.163 \| good
2025-11-16T14:00:00.000Z	29 \| good	1.284 \| good	5.06 \| good	30.777 \| good	1.71 \| good	3.185 \| good	0.159 \| good
2025-11-16T15:00:00.000Z	30 \| good	1.418 \| good	5.616 \| good	31.986 \| good	1.601 \| good	2.388 \| good	0.156 \| good
2025-11-16T16:00:00.000Z	31 \| good	1.298 \| good	5.037 \| good	33.246 \| good	1.548 \| good	2.193 \| good	0.151 \| good
2025-11-16T17:00:00.000Z	32 \| good	1.245 \| good	4.926 \| good	34.713 \| good	1.496 \| good	1.997 \| good	0.146 \| good
2025-11-16T18:00:00.000Z	33 \| good	1.009 \| good	4.037 \| good	35.884 \| good	1.443 \| good	1.802 \| good	0.142 \| good
2025-11-16T19:00:00.000Z	32 \| good	1.529 \| good	6.085 \| good	35.287 \| good	1.397 \| good	2.082 \| good	0.141 \| good
2025-11-16T20:00:00.000Z	33 \| good	1.501 \| good	6.25 \| good	35.775 \| good	1.351 \| good	2.362 \| good	0.14 \| good
2025-11-16T21:00:00.000Z	32 \| good	1.125 \| good	4.854 \| good	35.349 \| good	1.305 \| good	2.641 \| good	0.139 \| good
2025-11-16T22:00:00.000Z	29 \| good	1.672 \| good	6.908 \| good	31.413 \| good	1.295 \| good	3.065 \| good	0.142 \| good
2025-11-16T23:00:00.000Z	28 \| good	2.027 \| good	7.973 \| good	29.89 \| good	1.284 \| good	3.488 \| good	0.146 \| good
2025-11-17T00:00:00.000Z	26 \| good	2.995 \| good	12.113 \| good	27.811 \| good	1.274 \| good	3.912 \| good	0.15 \| good
2025-11-17T01:00:00.000Z	24 \| good	3.128 \| good	13.008 \| good	26.47 \| good	1.285 \| good	3.774 \| good	0.149 \| good
2025-11-17T02:00:00.000Z	24 \| good	1.998 \| good	8.287 \| good	26.456 \| good	1.296 \| good	3.637 \| good	0.149 \| good
2025-11-17T03:00:00.000Z	26 \| good	1.2 \| good	4.812 \| good	27.658 \| good	1.307 \| good	3.499 \| good	0.148 \| good
2025-11-17T04:00:00.000Z	25 \| good	1.741 \| good	7.275 \| good	26.8 \| good	1.315 \| good	3.213 \| good	0.146 \| good
2025-11-17T05:00:00.000Z	24 \| good	2.471 \| good	10.096 \| good	26.421 \| good	1.324 \| good	2.927 \| good	0.144 \| good
2025-11-17T06:00:00.000Z	23 \| good	2.347 \| good	9.775 \| good	25.327 \| good	1.333 \| good	2.641 \| good	0.142 \| good
2025-11-17T07:00:00.000Z	22 \| good	1.758 \| good	7.517 \| good	24.442 \| good	1.317 \| good	2.549 \| good	0.141 \| good
2025-11-17T08:00:00.000Z	22 \| good	1.713 \| good	7.288 \| good	24.44 \| good	1.302 \| good	2.458 \| good	0.14 \| good
2025-11-17T09:00:00.000Z	22 \| good	2.075 \| good	8.493 \| good	24.211 \| good	1.286 \| good	2.367 \| good	0.139 \| good
2025-11-17T10:00:00.000Z	22 \| good	1.373 \| good	5.559 \| good	23.558 \| good	1.272 \| good	2.904 \| good	0.142 \| good
2025-11-17T11:00:00.000Z	22 \| good	1.095 \| good	4.67 \| good	23.789 \| good	1.258 \| good	3.441 \| good	0.145 \| good
2025-11-17T12:00:00.000Z	21 \| good	0.611 \| good	2.228 \| good	23.408 \| good	1.244 \| good	3.978 \| good	0.148 \| good
2025-11-17T13:00:00.000Z	22 \| good	0.692 \| good	2.654 \| good	24.305 \| good	1.175 \| good	3.365 \| good	0.145 \| good
2025-11-17T14:00:00.000Z	27 \| good	0.548 \| good	2.061 \| good	28.573 \| good	1.106 \| good	2.752 \| good	0.142 \| good
2025-11-17T15:00:00.000Z	28 \| good	1.087 \| good	4.401 \| good	30.034 \| good	1.037 \| good	2.139 \| good	0.139 \| good
2025-11-17T16:00:00.000Z	28 \| good	1.729 \| good	7.069 \| good	30.364 \| good	1.087 \| good	2.018 \| good	0.138 \| good

Live air quality index in Maryland, USA today

Major air pollutants in Maryland, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Maryland, USA air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in cities of Maryland, USA

Air quality in nearby states

Delaware, USA

New Jersey, USA

Pennsylvania, USA

Virginia, USA

New York, USA

West Virginia, USA

How accurate is Maryland, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What is the AQI in Maryland, USA right now?

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

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

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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