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

The PM10 concentration in Maryland, USA is 26.898 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 0.282 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 35.529 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 4.378 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 6.714 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)

6.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.90 μg/m³

155

255

425

605+

Ozone (O₃)

35.53 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-09-08T08:00:00.000Z	22 \| good	4.277 \| good	14.071 \| good	6.471 \| good	0.373 \| good	10.109 \| good	0.359 \| good
2026-09-08T09:00:00.000Z	35 \| good	6.246 \| good	37.571 \| good	4.418 \| good	0.515 \| good	11.024 \| good	0.375 \| good
2026-09-08T10:00:00.000Z	33 \| good	5.984 \| good	22.646 \| good	8.27 \| good	0.301 \| good	11.967 \| good	0.419 \| good
2026-09-08T11:00:00.000Z	38 \| good	6.884 \| good	26.071 \| good	10.118 \| good	0.188 \| good	12.395 \| good	0.42 \| good
2026-09-08T12:00:00.000Z	27 \| good	4.778 \| good	24.874 \| good	9.028 \| good	0.219 \| good	14.959 \| good	0.469 \| good
2026-09-08T13:00:00.000Z	27 \| good	5.423 \| good	24.751 \| good	11.44 \| good	0.239 \| good	13.315 \| good	0.53 \| good
2026-09-08T14:00:00.000Z	49 \| good	8.929 \| good	34.742 \| good	15.529 \| good	0.318 \| good	14.955 \| good	0.516 \| good
2026-09-08T15:00:00.000Z	52 \| moderate	9.544 \| good	40.106 \| good	20.871 \| good	0.252 \| good	13.258 \| good	0.36 \| good
2026-09-08T16:00:00.000Z	44 \| good	7.518 \| good	35.526 \| good	32.147 \| good	0.33 \| good	6.925 \| good	0.237 \| good
2026-09-08T17:00:00.000Z	33 \| good	6.373 \| good	18.976 \| good	33.523 \| good	0.31 \| good	5.984 \| good	0.186 \| good
2026-09-08T18:00:00.000Z	38 \| good	7.001 \| good	36.817 \| good	39.791 \| good	0.268 \| good	5.617 \| good	0.186 \| good
2026-09-08T19:00:00.000Z	41 \| good	7.476 \| good	41.851 \| good	43.903 \| good	0.236 \| good	5.337 \| good	0.172 \| good
2026-09-08T20:00:00.000Z	43 \| good	5.535 \| good	23.791 \| good	45.664 \| good	0.205 \| good	3.61 \| good	0.205 \| good
2026-09-08T21:00:00.000Z	43 \| good	7.404 \| good	24.621 \| good	46.122 \| good	0.212 \| good	4.389 \| good	0.205 \| good
2026-09-08T22:00:00.000Z	44 \| good	4.061 \| good	17.941 \| good	47.149 \| good	0.173 \| good	4.869 \| good	0.164 \| good
2026-09-08T23:00:00.000Z	36 \| good	5.692 \| good	22.343 \| good	39.193 \| good	0.167 \| good	6.634 \| good	0.164 \| good
2026-09-09T00:00:00.000Z	33 \| good	4.722 \| good	17.975 \| good	36.241 \| good	0.134 \| good	6.442 \| good	0.228 \| good
2026-09-09T01:00:00.000Z	31 \| good	4.769 \| good	21.409 \| good	32.609 \| good	0.175 \| good	7.051 \| good	0.232 \| good
2026-09-09T02:00:00.000Z	33 \| good	5.607 \| good	23.361 \| good	26.363 \| good	0.216 \| good	8.267 \| good	0.266 \| good
2026-09-09T03:00:00.000Z	33 \| good	5.899 \| good	26.091 \| good	27.123 \| good	0.525 \| good	9.501 \| good	0.229 \| good
2026-09-09T04:00:00.000Z	28 \| good	4.007 \| good	21.595 \| good	29.819 \| good	0.261 \| good	5.3 \| good	0.221 \| good
2026-09-09T05:00:00.000Z	22 \| good	4.214 \| good	15.217 \| good	20.239 \| good	0.252 \| good	6.695 \| good	0.287 \| good
2026-09-09T06:00:00.000Z	27 \| good	4.516 \| good	22.013 \| good	17.529 \| good	0.164 \| good	7.682 \| good	0.287 \| good
2026-09-09T07:00:00.000Z	22 \| good	4.469 \| good	20.9 \| good	18.885 \| good	0.164 \| good	6.176 \| good	0.239 \| good
2026-09-09T08:00:00.000Z	27 \| good	4.696 \| good	20.947 \| good	18.643 \| good	0.188 \| good	7.596 \| good	0.239 \| good
2026-09-09T09:00:00.000Z	27 \| good	5.174 \| good	19.562 \| good	18.526 \| good	0.251 \| good	9.208 \| good	0.239 \| good
2026-09-09T10:00:00.000Z	27 \| good	5.112 \| good	19.903 \| good	20.882 \| good	0.358 \| good	7.759 \| good	0.284 \| good
2026-09-09T11:00:00.000Z	27 \| good	4.745 \| good	13.205 \| good	18.256 \| good	0.19 \| good	8.658 \| good	0.329 \| good
2026-09-09T12:00:00.000Z	33 \| good	6.225 \| good	22.888 \| good	20.358 \| good	0.164 \| good	13.035 \| good	0.306 \| good
2026-09-09T13:00:00.000Z	33 \| good	6.263 \| good	28.481 \| good	17.927 \| good	0.165 \| good	12.231 \| good	0.284 \| good
2026-09-09T14:00:00.000Z	33 \| good	5.959 \| good	25.141 \| good	21.58 \| good	0.253 \| good	10.139 \| good	0.296 \| good
2026-09-09T15:00:00.000Z	33 \| good	5.919 \| good	26.899 \| good	27.532 \| good	0.601 \| good	9.821 \| good	0.239 \| good
2026-09-09T16:00:00.000Z	38 \| good	7.442 \| good	28.197 \| good	34.95 \| good	4.713 \| good	6.795 \| good	0.239 \| good
2026-09-09T17:00:00.000Z	49 \| good	8.994 \| good	41.073 \| good	40.388 \| good	0.814 \| good	4.92 \| good	0.215 \| good
2026-09-09T18:00:00.000Z	49 \| good	9.139 \| good	38.67 \| good	45.067 \| good	0.285 \| good	3.656 \| good	0.229 \| good
2026-09-09T19:00:00.000Z	46 \| good	8 \| good	34.745 \| good	49.929 \| good	0.6 \| good	3.499 \| good	0.215 \| good
2026-09-09T20:00:00.000Z	49 \| good	6.764 \| good	31.877 \| good	52.543 \| good	0.57 \| good	3.678 \| good	0.232 \| good
2026-09-09T21:00:00.000Z	47 \| good	7.556 \| good	37.708 \| good	51.372 \| good	0.405 \| good	5.365 \| good	0.232 \| good
2026-09-09T22:00:00.000Z	46 \| good	7.561 \| good	23.818 \| good	50.288 \| good	0.266 \| good	3.637 \| good	0.258 \| good
2026-09-09T23:00:00.000Z	43 \| good	7.148 \| good	31.866 \| good	45.939 \| good	0.215 \| good	3.928 \| good	0.258 \| good
2026-09-10T00:00:00.000Z	45 \| good	6.68 \| good	20.121 \| good	48.838 \| good	0.189 \| good	3.367 \| good	0.258 \| good
2026-09-10T01:00:00.000Z	44 \| good	7.297 \| good	31.027 \| good	47.551 \| good	0.18 \| good	3.715 \| good	0.277 \| good
2026-09-10T02:00:00.000Z	41 \| good	4.655 \| good	23.904 \| good	44.383 \| good	0.19 \| good	4.9 \| good	0.275 \| good
2026-09-10T03:00:00.000Z	40 \| good	7.408 \| good	26.055 \| good	42.64 \| good	0.177 \| good	3.813 \| good	0.266 \| good
2026-09-10T04:00:00.000Z	38 \| good	6.849 \| good	23.942 \| good	39.834 \| good	1.022 \| good	3.786 \| good	0.277 \| good
2026-09-10T05:00:00.000Z	38 \| good	7.346 \| good	31.188 \| good	37.291 \| good	0.383 \| good	4.052 \| good	0.234 \| good
2026-09-10T06:00:00.000Z	34 \| good	6.056 \| good	27.72 \| good	37.085 \| good	0.255 \| good	5.411 \| good	0.234 \| good
2026-09-10T07:00:00.000Z	33 \| good	6.399 \| good	32.558 \| good	35.722 \| good	0.255 \| good	5.538 \| good	0.216 \| good
2026-09-10T07:00:00.000Z	38 \| good	6.714 \| good	26.898 \| good	35.529 \| good	0.282 \| good	4.378 \| good	0.218 \| good
2026-09-10T08:00:00.000Z	27 \| good	5.38 \| good	23 \| good	27.252 \| good	0.471 \| good	2.119 \| good	0.188 \| good
2026-09-10T09:00:00.000Z	22 \| good	3.698 \| good	16.061 \| good	21.625 \| good	0.486 \| good	2.233 \| good	0.187 \| good
2026-09-10T10:00:00.000Z	33 \| good	5.574 \| good	24.208 \| good	17.697 \| good	0.506 \| good	2.476 \| good	0.188 \| good
2026-09-10T11:00:00.000Z	33 \| good	5.894 \| good	25.89 \| good	14.561 \| good	0.529 \| good	2.958 \| good	0.192 \| good
2026-09-10T12:00:00.000Z	44 \| good	8.208 \| good	36.272 \| good	15.048 \| good	0.548 \| good	4.298 \| good	0.206 \| good
2026-09-10T13:00:00.000Z	44 \| good	8.199 \| good	36.018 \| good	24.04 \| good	0.565 \| good	4.821 \| good	0.22 \| good
2026-09-10T14:00:00.000Z	38 \| good	6.686 \| good	29.749 \| good	37.691 \| good	0.609 \| good	3.39 \| good	0.217 \| good
2026-09-10T15:00:00.000Z	42 \| good	6.344 \| good	28.492 \| good	44.607 \| good	0.629 \| good	1.875 \| good	0.205 \| good
2026-09-10T16:00:00.000Z	43 \| good	6.169 \| good	27.525 \| good	45.611 \| good	0.622 \| good	1.429 \| good	0.189 \| good
2026-09-10T17:00:00.000Z	42 \| good	5.412 \| good	23.127 \| good	44.678 \| good	0.594 \| good	1.371 \| good	0.18 \| good
2026-09-10T18:00:00.000Z	42 \| good	4.997 \| good	21.72 \| good	44.899 \| good	0.549 \| good	1.375 \| good	0.177 \| good
2026-09-10T19:00:00.000Z	34 \| good	4.977 \| good	21.361 \| good	37.436 \| good	0.512 \| good	1.451 \| good	0.178 \| good
2026-09-10T20:00:00.000Z	32 \| good	4.913 \| good	21.367 \| good	35.222 \| good	0.485 \| good	1.593 \| good	0.181 \| good
2026-09-10T21:00:00.000Z	34 \| good	5.893 \| good	25.57 \| good	37.367 \| good	0.478 \| good	1.961 \| good	0.185 \| good
2026-09-10T22:00:00.000Z	33 \| good	6.425 \| good	28.518 \| good	34.339 \| good	0.487 \| good	3.144 \| good	0.197 \| good
2026-09-10T23:00:00.000Z	38 \| good	6.805 \| good	30.2 \| good	27.348 \| good	0.523 \| good	11.749 \| good	0.278 \| good
2026-09-11T00:00:00.000Z	38 \| good	6.555 \| good	29.456 \| good	24.8 \| good	0.549 \| good	17.577 \| good	0.327 \| good
2026-09-11T01:00:00.000Z	33 \| good	5.951 \| good	25.836 \| good	25.535 \| good	0.601 \| good	15.343 \| good	0.297 \| good
2026-09-11T02:00:00.000Z	22 \| good	3.94 \| good	17.247 \| good	23.789 \| good	0.659 \| good	13.099 \| good	0.269 \| good
2026-09-11T03:00:00.000Z	27 \| good	4.925 \| good	21.187 \| good	22.646 \| good	0.719 \| good	13.427 \| good	0.266 \| good
2026-09-11T04:00:00.000Z	23 \| good	4.394 \| good	19.182 \| good	24.865 \| good	0.749 \| good	14.063 \| good	0.271 \| good
2026-09-11T05:00:00.000Z	22 \| good	3.169 \| good	13.565 \| good	24.159 \| good	0.681 \| good	11.742 \| good	0.255 \| good
2026-09-11T06:00:00.000Z	22 \| good	3.744 \| good	16.243 \| good	20.178 \| good	0.55 \| good	8.788 \| good	0.23 \| good
2026-09-11T07:00:00.000Z	22 \| good	4.494 \| good	19.576 \| good	17.235 \| good	0.477 \| good	6.865 \| good	0.212 \| good
2026-09-11T08:00:00.000Z	27 \| good	4.709 \| good	20.275 \| good	16.426 \| good	0.467 \| good	6.165 \| good	0.205 \| good
2026-09-11T09:00:00.000Z	27 \| good	5.384 \| good	23.287 \| good	15.215 \| good	0.448 \| good	5.478 \| good	0.199 \| good
2026-09-11T10:00:00.000Z	33 \| good	5.633 \| good	24.376 \| good	12.34 \| good	0.451 \| good	5.181 \| good	0.194 \| good
2026-09-11T11:00:00.000Z	27 \| good	4.917 \| good	21.43 \| good	10.087 \| good	0.498 \| good	5.634 \| good	0.194 \| good
2026-09-11T12:00:00.000Z	38 \| good	7.26 \| good	31.973 \| good	13.022 \| good	0.57 \| good	6.745 \| good	0.207 \| good
2026-09-11T13:00:00.000Z	44 \| good	8.235 \| good	35.97 \| good	19.943 \| good	0.697 \| good	6.366 \| good	0.216 \| good
2026-09-11T14:00:00.000Z	44 \| good	8.079 \| good	35.414 \| good	28.208 \| good	0.88 \| good	4.374 \| good	0.209 \| good
2026-09-11T15:00:00.000Z	44 \| good	8.184 \| good	35.751 \| good	28.633 \| good	0.943 \| good	2.579 \| good	0.199 \| good
2026-09-11T16:00:00.000Z	49 \| good	8.811 \| good	38.558 \| good	25.911 \| good	0.908 \| good	1.687 \| good	0.19 \| good
2026-09-11T17:00:00.000Z	52 \| moderate	9.951 \| good	44.24 \| good	24.838 \| good	0.838 \| good	1.33 \| good	0.181 \| good
2026-09-11T18:00:00.000Z	52 \| moderate	9.553 \| good	42.621 \| good	33.3 \| good	0.792 \| good	1.264 \| good	0.177 \| good
2026-09-11T19:00:00.000Z	49 \| good	8.769 \| good	38.486 \| good	37.429 \| good	0.761 \| good	1.291 \| good	0.175 \| good
2026-09-11T20:00:00.000Z	44 \| good	8.411 \| good	36.819 \| good	37.893 \| good	0.754 \| good	1.417 \| good	0.174 \| good
2026-09-11T21:00:00.000Z	44 \| good	8.452 \| good	37 \| good	38.718 \| good	0.77 \| good	1.723 \| good	0.176 \| good
2026-09-11T22:00:00.000Z	49 \| good	9.251 \| good	41.407 \| good	35.34 \| good	0.805 \| good	2.669 \| good	0.184 \| good
2026-09-11T23:00:00.000Z	49 \| good	9.393 \| good	41.521 \| good	31.463 \| good	0.836 \| good	8.164 \| good	0.238 \| good
2026-09-12T00:00:00.000Z	52 \| moderate	9.812 \| good	43.254 \| good	27.847 \| good	0.9 \| good	11.587 \| good	0.266 \| good
2026-09-12T01:00:00.000Z	54 \| moderate	11.238 \| good	49.879 \| good	22.826 \| good	0.928 \| good	11.754 \| good	0.26 \| good
2026-09-12T02:00:00.000Z	54 \| moderate	11.31 \| good	50.356 \| good	21.543 \| good	0.906 \| good	12.489 \| good	0.26 \| good
2026-09-12T03:00:00.000Z	54 \| moderate	10.614 \| good	47.102 \| good	20.619 \| good	0.847 \| good	12.847 \| good	0.256 \| good
2026-09-12T04:00:00.000Z	52 \| moderate	10.265 \| good	45.723 \| good	20.06 \| good	0.757 \| good	11.891 \| good	0.247 \| good
2026-09-12T05:00:00.000Z	49 \| good	9.311 \| good	41.351 \| good	21.762 \| good	0.672 \| good	10.467 \| good	0.237 \| good
2026-09-12T06:00:00.000Z	52 \| moderate	9.647 \| good	43.211 \| good	20.368 \| good	0.641 \| good	10.267 \| good	0.232 \| good
2026-09-12T07:00:00.000Z	49 \| good	8.699 \| good	38.102 \| good	23.145 \| good	0.582 \| good	10.42 \| good	0.231 \| good

Maryland

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

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Arbutus, Maryland	44 Good	8.18μg/m³ Good	33.95μg/m³ Good	31.67ppb Good	0.34ppb Good	7.11ppb Good	0.21ppm Good
Ballenger Creek, Maryland	33 Good	6.28μg/m³ Good	21.47μg/m³ Good	34.98ppb Good	0.27ppb Good	1.89ppb Good	0.22ppm Good
Beltsville, Maryland	38 Good	6.90μg/m³ Good	30.74μg/m³ Good	34.17ppb Good	0.13ppb Good	3.63ppb Good	0.20ppm Good
Arnold, Maryland	44 Good	7.59μg/m³ Good	28.82μg/m³ Good	34.43ppb Good	0.32ppb Good	5.81ppb Good	0.22ppm Good
Bel Air South, Maryland	44 Good	7.78μg/m³ Good	33.34μg/m³ Good	33.50ppb Good	0.39ppb Good	5.96ppb Good	0.22ppm Good
Accokeek, Maryland	38 Good	6.60μg/m³ Good	26.03μg/m³ Good	33.33ppb Good	0.30ppb Good	2.53ppb Good	0.22ppm Good
Adelphi, Maryland	35 Good	6.26μg/m³ Good	26.72μg/m³ Good	37.77ppb Good	0.23ppb Good	2.88ppb Good	0.24ppm Good
Bel Air North, Maryland	38 Good	7.15μg/m³ Good	24.81μg/m³ Good	35.35ppb Good	0.38ppb Good	6.20ppb Good	0.22ppm Good
Bethesda, Maryland	36 Good	6.43μg/m³ Good	27.64μg/m³ Good	38.64ppb Good	0.26ppb Good	2.73ppb Good	0.25ppm Good
Bel Air town, Maryland	38 Good	6.91μg/m³ Good	29.88μg/m³ Good	36.38ppb Good	0.38ppb Good	6.13ppb Good	0.22ppm Good
Aberdeen, Maryland	38 Good	6.88μg/m³ Good	28.77μg/m³ Good	35.34ppb Good	0.38ppb Good	6.04ppb Good	0.22ppm Good
Annapolis Neck, Maryland	38 Good	7.49μg/m³ Good	30.17μg/m³ Good	36.10ppb Good	0.26ppb Good	2.90ppb Good	0.22ppm Good
Aspen Hill, Maryland	36 Good	4.40μg/m³ Good	19.37μg/m³ Good	38.55ppb Good	0.24ppb Good	2.87ppb Good	0.23ppm Good
Baltimore, Maryland	44 Good	8.49μg/m³ Good	36.28μg/m³ Good	32.74ppb Good	0.38ppb Good	6.42ppb Good	0.22ppm Good
Annapolis, Maryland	38 Good	7.49μg/m³ Good	30.17μg/m³ Good	36.10ppb Good	0.26ppb Good	2.90ppb Good	0.22ppm Good
Bensville, Maryland	38 Good	6.61μg/m³ Good	24.81μg/m³ Good	33.59ppb Good	0.30ppb Good	2.48ppb Good	0.22ppm Good
Calverton, Maryland	38 Good	6.96μg/m³ Good	30.49μg/m³ Good	35.65ppb Good	0.17ppb Good	3.63ppb Good	0.22ppm Good
Clarksburg, Maryland	44 Good	7.72μg/m³ Good	24.65μg/m³ Good	35.34ppb Good	0.26ppb Good	2.42ppb Good	0.22ppm Good
Brock Hall, Maryland	38 Good	6.65μg/m³ Good	23.57μg/m³ Good	37.89ppb Good	0.24ppb Good	2.97ppb Good	0.22ppm Good
Catonsville, Maryland	44 Good	8.44μg/m³ Good	32.71μg/m³ Good	33.38ppb Good	0.33ppb Good	8.50ppb Good	0.21ppm Good
Bowie, Maryland	34 Good	6.42μg/m³ Good	27.69μg/m³ Good	37.38ppb Good	0.17ppb Good	4.46ppb Good	0.21ppm Good
Camp Springs, Maryland	36 Good	5.25μg/m³ Good	22.39μg/m³ Good	39.23ppb Good	0.27ppb Good	2.97ppb Good	0.21ppm Good
Brandywine, Maryland	44 Good	7.92μg/m³ Good	30.61μg/m³ Good	36.26ppb Good	0.26ppb Good	2.85ppb Good	0.22ppm Good
Cambridge, Maryland	31 Good	4.80μg/m³ Good	19.96μg/m³ Good	34.28ppb Good	0.12ppb Good	2.89ppb Good	0.22ppm Good
Burtonsville, Maryland	38 Good	6.50μg/m³ Good	28.61μg/m³ Good	35.37ppb Good	0.17ppb Good	3.96ppb Good	0.21ppm Good
Chillum, Maryland	38 Good	6.69μg/m³ Good	28.55μg/m³ Good	38.69ppb Good	0.25ppb Good	2.81ppb Good	0.26ppm Good
California, Maryland	31 Good	3.74μg/m³ Good	9.86μg/m³ Good	32.77ppb Good	0.22ppb Good	2.88ppb Good	0.22ppm Good
Carney, Maryland	49 Good	8.96μg/m³ Good	37.72μg/m³ Good	34.33ppb Good	0.41ppb Good	6.25ppb Good	0.22ppm Good
Parkville, Maryland	49 Good	8.96μg/m³ Good	37.72μg/m³ Good	34.33ppb Good	0.41ppb Good	6.25ppb Good	0.22ppm Good
Clinton, Maryland	33 Good	6.40μg/m³ Good	23.46μg/m³ Good	33.56ppb Good	0.27ppb Good	2.85ppb Good	0.22ppm Good
East Riverdale, Maryland	35 Good	5.42μg/m³ Good	23.76μg/m³ Good	37.51ppb Good	0.23ppb Good	3.06ppb Good	0.22ppm Good
College Park, Maryland	34 Good	5.96μg/m³ Good	25.87μg/m³ Good	37.45ppb Good	0.23ppb Good	2.99ppb Good	0.23ppm Good
Cumberland, Maryland	38 Good	7.27μg/m³ Good	28.02μg/m³ Good	26.74ppb Good	0.23ppb Good	3.37ppb Good	0.22ppm Good
Cloverly, Maryland	44 Good	8.49μg/m³ Good	35.70μg/m³ Good	35.25ppb Good	0.21ppb Good	2.97ppb Good	0.22ppm Good
Colesville, Maryland	34 Good	6.16μg/m³ Good	26.75μg/m³ Good	37.06ppb Good	0.21ppb Good	3.25ppb Good	0.23ppm Good
Columbia, Maryland	38 Good	7.09μg/m³ Good	30.66μg/m³ Good	34.49ppb Good	0.20ppb Good	5.93ppb Good	0.20ppm Good
Cockeysville, Maryland	56 Moderate	11.73μg/m³ Good	52.67μg/m³ Good	35.79ppb Good	0.37ppb Good	7.21ppb Good	0.22ppm Good
Crofton, Maryland	33 Good	5.51μg/m³ Good	29.40μg/m³ Good	35.88ppb Good	0.23ppb Good	2.98ppb Good	0.22ppm Good
Damascus, Maryland	44 Good	7.82μg/m³ Good	27.00μg/m³ Good	36.01ppb Good	0.26ppb Good	2.88ppb Good	0.22ppm Good
Dundalk, Maryland	44 Good	7.64μg/m³ Good	28.27μg/m³ Good	32.89ppb Good	0.45ppb Good	5.44ppb Good	0.22ppm Good
Fort Meade, Maryland	38 Good	7.01μg/m³ Good	30.10μg/m³ Good	34.65ppb Good	0.20ppb Good	5.39ppb Good	0.21ppm Good
Eldersburg, Maryland	44 Good	7.55μg/m³ Good	29.02μg/m³ Good	37.76ppb Good	0.27ppb Good	6.03ppb Good	0.22ppm Good
Fort Washington, Maryland	38 Good	6.60μg/m³ Good	26.08μg/m³ Good	34.28ppb Good	0.31ppb Good	2.81ppb Good	0.22ppm Good
Edgewood, Maryland	44 Good	7.61μg/m³ Good	33.92μg/m³ Good	32.09ppb Good	0.39ppb Good	5.97ppb Good	0.22ppm Good
Frederick, Maryland	33 Good	6.26μg/m³ Good	21.19μg/m³ Good	34.14ppb Good	0.27ppb Good	1.82ppb Good	0.22ppm Good
Easton, Maryland	31 Good	5.35μg/m³ Good	16.35μg/m³ Good	34.36ppb Good	0.24ppb Good	2.90ppb Good	0.22ppm Good
Elkridge, Maryland	38 Good	7.35μg/m³ Good	30.57μg/m³ Good	33.15ppb Good	0.25ppb Good	6.39ppb Good	0.21ppm Good
Ellicott City, Maryland	44 Good	7.56μg/m³ Good	29.32μg/m³ Good	35.27ppb Good	0.29ppb Good	6.44ppb Good	0.21ppm Good
Essex, Maryland	38 Good	7.04μg/m³ Good	22.44μg/m³ Good	33.01ppb Good	0.49ppb Good	5.06ppb Good	0.22ppm Good
Ferndale, Maryland	44 Good	7.72μg/m³ Good	32.51μg/m³ Good	30.00ppb Good	0.35ppb Good	6.30ppb Good	0.21ppm Good

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

0.25ppm

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 08:00:00 on 2026-09-09.

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 07:00:00 on 2026-09-09.

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 6.714 μg/m³.

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

The PM₁₀ concentration in Maryland, USA is 26.898 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 0.218 ppm.

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

Currently, Maryland, USA has a sulfur dioxide (SO₂) concentration of 0.282 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 35.529 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 4.378 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-08T08:00:00.000Z	22 \| good	4.277 \| good	14.071 \| good	6.471 \| good	0.373 \| good	10.109 \| good	0.359 \| good
2026-09-08T09:00:00.000Z	35 \| good	6.246 \| good	37.571 \| good	4.418 \| good	0.515 \| good	11.024 \| good	0.375 \| good
2026-09-08T10:00:00.000Z	33 \| good	5.984 \| good	22.646 \| good	8.27 \| good	0.301 \| good	11.967 \| good	0.419 \| good
2026-09-08T11:00:00.000Z	38 \| good	6.884 \| good	26.071 \| good	10.118 \| good	0.188 \| good	12.395 \| good	0.42 \| good
2026-09-08T12:00:00.000Z	27 \| good	4.778 \| good	24.874 \| good	9.028 \| good	0.219 \| good	14.959 \| good	0.469 \| good
2026-09-08T13:00:00.000Z	27 \| good	5.423 \| good	24.751 \| good	11.44 \| good	0.239 \| good	13.315 \| good	0.53 \| good
2026-09-08T14:00:00.000Z	49 \| good	8.929 \| good	34.742 \| good	15.529 \| good	0.318 \| good	14.955 \| good	0.516 \| good
2026-09-08T15:00:00.000Z	52 \| moderate	9.544 \| good	40.106 \| good	20.871 \| good	0.252 \| good	13.258 \| good	0.36 \| good
2026-09-08T16:00:00.000Z	44 \| good	7.518 \| good	35.526 \| good	32.147 \| good	0.33 \| good	6.925 \| good	0.237 \| good
2026-09-08T17:00:00.000Z	33 \| good	6.373 \| good	18.976 \| good	33.523 \| good	0.31 \| good	5.984 \| good	0.186 \| good
2026-09-08T18:00:00.000Z	38 \| good	7.001 \| good	36.817 \| good	39.791 \| good	0.268 \| good	5.617 \| good	0.186 \| good
2026-09-08T19:00:00.000Z	41 \| good	7.476 \| good	41.851 \| good	43.903 \| good	0.236 \| good	5.337 \| good	0.172 \| good
2026-09-08T20:00:00.000Z	43 \| good	5.535 \| good	23.791 \| good	45.664 \| good	0.205 \| good	3.61 \| good	0.205 \| good
2026-09-08T21:00:00.000Z	43 \| good	7.404 \| good	24.621 \| good	46.122 \| good	0.212 \| good	4.389 \| good	0.205 \| good
2026-09-08T22:00:00.000Z	44 \| good	4.061 \| good	17.941 \| good	47.149 \| good	0.173 \| good	4.869 \| good	0.164 \| good
2026-09-08T23:00:00.000Z	36 \| good	5.692 \| good	22.343 \| good	39.193 \| good	0.167 \| good	6.634 \| good	0.164 \| good
2026-09-09T00:00:00.000Z	33 \| good	4.722 \| good	17.975 \| good	36.241 \| good	0.134 \| good	6.442 \| good	0.228 \| good
2026-09-09T01:00:00.000Z	31 \| good	4.769 \| good	21.409 \| good	32.609 \| good	0.175 \| good	7.051 \| good	0.232 \| good
2026-09-09T02:00:00.000Z	33 \| good	5.607 \| good	23.361 \| good	26.363 \| good	0.216 \| good	8.267 \| good	0.266 \| good
2026-09-09T03:00:00.000Z	33 \| good	5.899 \| good	26.091 \| good	27.123 \| good	0.525 \| good	9.501 \| good	0.229 \| good
2026-09-09T04:00:00.000Z	28 \| good	4.007 \| good	21.595 \| good	29.819 \| good	0.261 \| good	5.3 \| good	0.221 \| good
2026-09-09T05:00:00.000Z	22 \| good	4.214 \| good	15.217 \| good	20.239 \| good	0.252 \| good	6.695 \| good	0.287 \| good
2026-09-09T06:00:00.000Z	27 \| good	4.516 \| good	22.013 \| good	17.529 \| good	0.164 \| good	7.682 \| good	0.287 \| good
2026-09-09T07:00:00.000Z	22 \| good	4.469 \| good	20.9 \| good	18.885 \| good	0.164 \| good	6.176 \| good	0.239 \| good
2026-09-09T08:00:00.000Z	27 \| good	4.696 \| good	20.947 \| good	18.643 \| good	0.188 \| good	7.596 \| good	0.239 \| good
2026-09-09T09:00:00.000Z	27 \| good	5.174 \| good	19.562 \| good	18.526 \| good	0.251 \| good	9.208 \| good	0.239 \| good
2026-09-09T10:00:00.000Z	27 \| good	5.112 \| good	19.903 \| good	20.882 \| good	0.358 \| good	7.759 \| good	0.284 \| good
2026-09-09T11:00:00.000Z	27 \| good	4.745 \| good	13.205 \| good	18.256 \| good	0.19 \| good	8.658 \| good	0.329 \| good
2026-09-09T12:00:00.000Z	33 \| good	6.225 \| good	22.888 \| good	20.358 \| good	0.164 \| good	13.035 \| good	0.306 \| good
2026-09-09T13:00:00.000Z	33 \| good	6.263 \| good	28.481 \| good	17.927 \| good	0.165 \| good	12.231 \| good	0.284 \| good
2026-09-09T14:00:00.000Z	33 \| good	5.959 \| good	25.141 \| good	21.58 \| good	0.253 \| good	10.139 \| good	0.296 \| good
2026-09-09T15:00:00.000Z	33 \| good	5.919 \| good	26.899 \| good	27.532 \| good	0.601 \| good	9.821 \| good	0.239 \| good
2026-09-09T16:00:00.000Z	38 \| good	7.442 \| good	28.197 \| good	34.95 \| good	4.713 \| good	6.795 \| good	0.239 \| good
2026-09-09T17:00:00.000Z	49 \| good	8.994 \| good	41.073 \| good	40.388 \| good	0.814 \| good	4.92 \| good	0.215 \| good
2026-09-09T18:00:00.000Z	49 \| good	9.139 \| good	38.67 \| good	45.067 \| good	0.285 \| good	3.656 \| good	0.229 \| good
2026-09-09T19:00:00.000Z	46 \| good	8 \| good	34.745 \| good	49.929 \| good	0.6 \| good	3.499 \| good	0.215 \| good
2026-09-09T20:00:00.000Z	49 \| good	6.764 \| good	31.877 \| good	52.543 \| good	0.57 \| good	3.678 \| good	0.232 \| good
2026-09-09T21:00:00.000Z	47 \| good	7.556 \| good	37.708 \| good	51.372 \| good	0.405 \| good	5.365 \| good	0.232 \| good
2026-09-09T22:00:00.000Z	46 \| good	7.561 \| good	23.818 \| good	50.288 \| good	0.266 \| good	3.637 \| good	0.258 \| good
2026-09-09T23:00:00.000Z	43 \| good	7.148 \| good	31.866 \| good	45.939 \| good	0.215 \| good	3.928 \| good	0.258 \| good
2026-09-10T00:00:00.000Z	45 \| good	6.68 \| good	20.121 \| good	48.838 \| good	0.189 \| good	3.367 \| good	0.258 \| good
2026-09-10T01:00:00.000Z	44 \| good	7.297 \| good	31.027 \| good	47.551 \| good	0.18 \| good	3.715 \| good	0.277 \| good
2026-09-10T02:00:00.000Z	41 \| good	4.655 \| good	23.904 \| good	44.383 \| good	0.19 \| good	4.9 \| good	0.275 \| good
2026-09-10T03:00:00.000Z	40 \| good	7.408 \| good	26.055 \| good	42.64 \| good	0.177 \| good	3.813 \| good	0.266 \| good
2026-09-10T04:00:00.000Z	38 \| good	6.849 \| good	23.942 \| good	39.834 \| good	1.022 \| good	3.786 \| good	0.277 \| good
2026-09-10T05:00:00.000Z	38 \| good	7.346 \| good	31.188 \| good	37.291 \| good	0.383 \| good	4.052 \| good	0.234 \| good
2026-09-10T06:00:00.000Z	34 \| good	6.056 \| good	27.72 \| good	37.085 \| good	0.255 \| good	5.411 \| good	0.234 \| good
2026-09-10T07:00:00.000Z	33 \| good	6.399 \| good	32.558 \| good	35.722 \| good	0.255 \| good	5.538 \| good	0.216 \| good
2026-09-10T07:00:00.000Z	38 \| good	6.714 \| good	26.898 \| good	35.529 \| good	0.282 \| good	4.378 \| good	0.218 \| good
2026-09-10T08:00:00.000Z	27 \| good	5.38 \| good	23 \| good	27.252 \| good	0.471 \| good	2.119 \| good	0.188 \| good
2026-09-10T09:00:00.000Z	22 \| good	3.698 \| good	16.061 \| good	21.625 \| good	0.486 \| good	2.233 \| good	0.187 \| good
2026-09-10T10:00:00.000Z	33 \| good	5.574 \| good	24.208 \| good	17.697 \| good	0.506 \| good	2.476 \| good	0.188 \| good
2026-09-10T11:00:00.000Z	33 \| good	5.894 \| good	25.89 \| good	14.561 \| good	0.529 \| good	2.958 \| good	0.192 \| good
2026-09-10T12:00:00.000Z	44 \| good	8.208 \| good	36.272 \| good	15.048 \| good	0.548 \| good	4.298 \| good	0.206 \| good
2026-09-10T13:00:00.000Z	44 \| good	8.199 \| good	36.018 \| good	24.04 \| good	0.565 \| good	4.821 \| good	0.22 \| good
2026-09-10T14:00:00.000Z	38 \| good	6.686 \| good	29.749 \| good	37.691 \| good	0.609 \| good	3.39 \| good	0.217 \| good
2026-09-10T15:00:00.000Z	42 \| good	6.344 \| good	28.492 \| good	44.607 \| good	0.629 \| good	1.875 \| good	0.205 \| good
2026-09-10T16:00:00.000Z	43 \| good	6.169 \| good	27.525 \| good	45.611 \| good	0.622 \| good	1.429 \| good	0.189 \| good
2026-09-10T17:00:00.000Z	42 \| good	5.412 \| good	23.127 \| good	44.678 \| good	0.594 \| good	1.371 \| good	0.18 \| good
2026-09-10T18:00:00.000Z	42 \| good	4.997 \| good	21.72 \| good	44.899 \| good	0.549 \| good	1.375 \| good	0.177 \| good
2026-09-10T19:00:00.000Z	34 \| good	4.977 \| good	21.361 \| good	37.436 \| good	0.512 \| good	1.451 \| good	0.178 \| good
2026-09-10T20:00:00.000Z	32 \| good	4.913 \| good	21.367 \| good	35.222 \| good	0.485 \| good	1.593 \| good	0.181 \| good
2026-09-10T21:00:00.000Z	34 \| good	5.893 \| good	25.57 \| good	37.367 \| good	0.478 \| good	1.961 \| good	0.185 \| good
2026-09-10T22:00:00.000Z	33 \| good	6.425 \| good	28.518 \| good	34.339 \| good	0.487 \| good	3.144 \| good	0.197 \| good
2026-09-10T23:00:00.000Z	38 \| good	6.805 \| good	30.2 \| good	27.348 \| good	0.523 \| good	11.749 \| good	0.278 \| good
2026-09-11T00:00:00.000Z	38 \| good	6.555 \| good	29.456 \| good	24.8 \| good	0.549 \| good	17.577 \| good	0.327 \| good
2026-09-11T01:00:00.000Z	33 \| good	5.951 \| good	25.836 \| good	25.535 \| good	0.601 \| good	15.343 \| good	0.297 \| good
2026-09-11T02:00:00.000Z	22 \| good	3.94 \| good	17.247 \| good	23.789 \| good	0.659 \| good	13.099 \| good	0.269 \| good
2026-09-11T03:00:00.000Z	27 \| good	4.925 \| good	21.187 \| good	22.646 \| good	0.719 \| good	13.427 \| good	0.266 \| good
2026-09-11T04:00:00.000Z	23 \| good	4.394 \| good	19.182 \| good	24.865 \| good	0.749 \| good	14.063 \| good	0.271 \| good
2026-09-11T05:00:00.000Z	22 \| good	3.169 \| good	13.565 \| good	24.159 \| good	0.681 \| good	11.742 \| good	0.255 \| good
2026-09-11T06:00:00.000Z	22 \| good	3.744 \| good	16.243 \| good	20.178 \| good	0.55 \| good	8.788 \| good	0.23 \| good
2026-09-11T07:00:00.000Z	22 \| good	4.494 \| good	19.576 \| good	17.235 \| good	0.477 \| good	6.865 \| good	0.212 \| good
2026-09-11T08:00:00.000Z	27 \| good	4.709 \| good	20.275 \| good	16.426 \| good	0.467 \| good	6.165 \| good	0.205 \| good
2026-09-11T09:00:00.000Z	27 \| good	5.384 \| good	23.287 \| good	15.215 \| good	0.448 \| good	5.478 \| good	0.199 \| good
2026-09-11T10:00:00.000Z	33 \| good	5.633 \| good	24.376 \| good	12.34 \| good	0.451 \| good	5.181 \| good	0.194 \| good
2026-09-11T11:00:00.000Z	27 \| good	4.917 \| good	21.43 \| good	10.087 \| good	0.498 \| good	5.634 \| good	0.194 \| good
2026-09-11T12:00:00.000Z	38 \| good	7.26 \| good	31.973 \| good	13.022 \| good	0.57 \| good	6.745 \| good	0.207 \| good
2026-09-11T13:00:00.000Z	44 \| good	8.235 \| good	35.97 \| good	19.943 \| good	0.697 \| good	6.366 \| good	0.216 \| good
2026-09-11T14:00:00.000Z	44 \| good	8.079 \| good	35.414 \| good	28.208 \| good	0.88 \| good	4.374 \| good	0.209 \| good
2026-09-11T15:00:00.000Z	44 \| good	8.184 \| good	35.751 \| good	28.633 \| good	0.943 \| good	2.579 \| good	0.199 \| good
2026-09-11T16:00:00.000Z	49 \| good	8.811 \| good	38.558 \| good	25.911 \| good	0.908 \| good	1.687 \| good	0.19 \| good
2026-09-11T17:00:00.000Z	52 \| moderate	9.951 \| good	44.24 \| good	24.838 \| good	0.838 \| good	1.33 \| good	0.181 \| good
2026-09-11T18:00:00.000Z	52 \| moderate	9.553 \| good	42.621 \| good	33.3 \| good	0.792 \| good	1.264 \| good	0.177 \| good
2026-09-11T19:00:00.000Z	49 \| good	8.769 \| good	38.486 \| good	37.429 \| good	0.761 \| good	1.291 \| good	0.175 \| good
2026-09-11T20:00:00.000Z	44 \| good	8.411 \| good	36.819 \| good	37.893 \| good	0.754 \| good	1.417 \| good	0.174 \| good
2026-09-11T21:00:00.000Z	44 \| good	8.452 \| good	37 \| good	38.718 \| good	0.77 \| good	1.723 \| good	0.176 \| good
2026-09-11T22:00:00.000Z	49 \| good	9.251 \| good	41.407 \| good	35.34 \| good	0.805 \| good	2.669 \| good	0.184 \| good
2026-09-11T23:00:00.000Z	49 \| good	9.393 \| good	41.521 \| good	31.463 \| good	0.836 \| good	8.164 \| good	0.238 \| good
2026-09-12T00:00:00.000Z	52 \| moderate	9.812 \| good	43.254 \| good	27.847 \| good	0.9 \| good	11.587 \| good	0.266 \| good
2026-09-12T01:00:00.000Z	54 \| moderate	11.238 \| good	49.879 \| good	22.826 \| good	0.928 \| good	11.754 \| good	0.26 \| good
2026-09-12T02:00:00.000Z	54 \| moderate	11.31 \| good	50.356 \| good	21.543 \| good	0.906 \| good	12.489 \| good	0.26 \| good
2026-09-12T03:00:00.000Z	54 \| moderate	10.614 \| good	47.102 \| good	20.619 \| good	0.847 \| good	12.847 \| good	0.256 \| good
2026-09-12T04:00:00.000Z	52 \| moderate	10.265 \| good	45.723 \| good	20.06 \| good	0.757 \| good	11.891 \| good	0.247 \| good
2026-09-12T05:00:00.000Z	49 \| good	9.311 \| good	41.351 \| good	21.762 \| good	0.672 \| good	10.467 \| good	0.237 \| good
2026-09-12T06:00:00.000Z	52 \| moderate	9.647 \| good	43.211 \| good	20.368 \| good	0.641 \| good	10.267 \| good	0.232 \| good
2026-09-12T07:00:00.000Z	49 \| good	8.699 \| good	38.102 \| good	23.145 \| good	0.582 \| good	10.42 \| good	0.231 \| 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?