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

The PM10 concentration in Maryland, USA is 21.603 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 0.191 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 23.799 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 7.037 ppb.

Live air quality index in Maryland, USA today

Name: Live air pollution levels in Maryland, USA today
Creator: Ambee

Stay updated with real-time air quality in Maryland, USA featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Maryland, USA

Last updated: ... (Local time)

Major air pollutants in Maryland, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.28 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.81 μg/m³

155

255

425

605+

Ozone (O₃)

28.33 ppb

201

201+

Sulfur Dioxide (SO₂)

0.24 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2025-09-02T16:00:00.000Z	30 \| good	3.267 \| good	15.902 \| good	31.637 \| good	0.183 \| good	5.151 \| good	0.19 \| good
2025-09-02T17:00:00.000Z	33 \| good	3.845 \| good	13.816 \| good	35.768 \| good	0.165 \| good	4.192 \| good	0.173 \| good
2025-09-02T18:00:00.000Z	35 \| good	3.518 \| good	13.457 \| good	38.102 \| good	0.192 \| good	4.019 \| good	0.19 \| good
2025-09-02T19:00:00.000Z	38 \| good	3.629 \| good	14.844 \| good	40.934 \| good	0.192 \| good	3.853 \| good	0.182 \| good
2025-09-02T20:00:00.000Z	41 \| good	4.707 \| good	14.206 \| good	44.392 \| good	0.128 \| good	1.904 \| good	0.182 \| good
2025-09-02T21:00:00.000Z	40 \| good	2.393 \| good	9.822 \| good	42.539 \| good	0.139 \| good	1.653 \| good	0.182 \| good
2025-09-02T22:00:00.000Z	39 \| good	2.431 \| good	8.856 \| good	41.734 \| good	0.138 \| good	1.483 \| good	0.182 \| good
2025-09-02T23:00:00.000Z	38 \| good	2.683 \| good	10.451 \| good	41.472 \| good	0.149 \| good	2.833 \| good	0.229 \| good
2025-09-03T00:00:00.000Z	38 \| good	3.212 \| good	16.43 \| good	40.89 \| good	0.182 \| good	5.823 \| good	0.209 \| good
2025-09-03T01:00:00.000Z	36 \| good	2.499 \| good	10.878 \| good	38.844 \| good	0.202 \| good	10.695 \| good	0.224 \| good
2025-09-03T02:00:00.000Z	29 \| good	2.216 \| good	12.15 \| good	30.918 \| good	0.254 \| good	15.243 \| good	0.259 \| good
2025-09-03T03:00:00.000Z	22 \| good	3.993 \| good	17.41 \| good	17.927 \| good	1.428 \| good	22.211 \| good	0.347 \| good
2025-09-03T04:00:00.000Z	22 \| good	3.709 \| good	12.747 \| good	24.365 \| good	0.203 \| good	12.716 \| good	0.273 \| good
2025-09-03T05:00:00.000Z	22 \| good	4.134 \| good	14.031 \| good	12.805 \| good	0.161 \| good	13.351 \| good	0.288 \| good
2025-09-03T06:00:00.000Z	22 \| good	4.071 \| good	14.943 \| good	12.636 \| good	0.213 \| good	12.492 \| good	0.288 \| good
2025-09-03T07:00:00.000Z	22 \| good	4.35 \| good	14.891 \| good	8.843 \| good	0.193 \| good	11.093 \| good	0.33 \| good
2025-09-03T08:00:00.000Z	16 \| good	3.409 \| good	16.281 \| good	11.982 \| good	0.2 \| good	10.979 \| good	0.296 \| good
2025-09-03T09:00:00.000Z	22 \| good	4.389 \| good	20.649 \| good	9.591 \| good	0.175 \| good	12.434 \| good	0.27 \| good
2025-09-03T10:00:00.000Z	25 \| good	4.302 \| good	27.015 \| good	7.633 \| good	0.181 \| good	11.867 \| good	0.27 \| good
2025-09-03T11:00:00.000Z	38 \| good	7.296 \| good	17.756 \| good	6.775 \| good	0.169 \| good	13.788 \| good	0.304 \| good
2025-09-03T12:00:00.000Z	31 \| good	5.258 \| good	34.389 \| good	7.171 \| good	0.249 \| good	13.037 \| good	0.397 \| good
2025-09-03T13:00:00.000Z	27 \| good	4.679 \| good	18.946 \| good	10.942 \| good	0.407 \| good	13.917 \| good	0.432 \| good
2025-09-03T14:00:00.000Z	33 \| good	6.337 \| good	24.931 \| good	14.353 \| good	0.492 \| good	17.101 \| good	0.388 \| good
2025-09-03T15:00:00.000Z	33 \| good	5.756 \| good	29.916 \| good	23.097 \| good	0.408 \| good	10.915 \| good	0.272 \| good
2025-09-03T16:00:00.000Z	33 \| good	5.61 \| good	22.747 \| good	28.427 \| good	0.27 \| good	7.033 \| good	0.213 \| good
2025-09-03T17:00:00.000Z	35 \| good	5.583 \| good	23.209 \| good	37.908 \| good	0.216 \| good	6.185 \| good	0.188 \| good
2025-09-03T18:00:00.000Z	41 \| good	5.857 \| good	28.594 \| good	44.47 \| good	0.213 \| good	5.085 \| good	0.198 \| good
2025-09-03T19:00:00.000Z	46 \| good	5.116 \| good	18.588 \| good	50.457 \| good	0.185 \| good	3.962 \| good	0.183 \| good
2025-09-03T20:00:00.000Z	45 \| good	4.387 \| good	16.55 \| good	48.671 \| good	0.184 \| good	3.86 \| good	0.197 \| good
2025-09-03T21:00:00.000Z	44 \| good	3.799 \| good	18.741 \| good	46.715 \| good	0.183 \| good	3.092 \| good	0.197 \| good
2025-09-03T22:00:00.000Z	44 \| good	3.811 \| good	17.151 \| good	46.611 \| good	0.239 \| good	2.905 \| good	0.182 \| good
2025-09-03T23:00:00.000Z	41 \| good	4.022 \| good	18.399 \| good	43.778 \| good	0.21 \| good	3.752 \| good	0.21 \| good
2025-09-04T00:00:00.000Z	41 \| good	4.295 \| good	14.43 \| good	44.383 \| good	0.213 \| good	5.376 \| good	0.21 \| good
2025-09-04T01:00:00.000Z	40 \| good	3.893 \| good	15.217 \| good	42.509 \| good	0.257 \| good	6.889 \| good	0.247 \| good
2025-09-04T02:00:00.000Z	37 \| good	4.053 \| good	16.04 \| good	40.103 \| good	0.363 \| good	9.308 \| good	0.23 \| good
2025-09-04T03:00:00.000Z	31 \| good	4.115 \| good	13.407 \| good	33.428 \| good	0.341 \| good	8.578 \| good	0.23 \| good
2025-09-04T04:00:00.000Z	30 \| good	4.216 \| good	17.121 \| good	31.906 \| good	0.216 \| good	11.307 \| good	0.205 \| good
2025-09-04T05:00:00.000Z	27 \| good	3.756 \| good	15.05 \| good	29.258 \| good	0.209 \| good	7.542 \| good	0.209 \| good
2025-09-04T06:00:00.000Z	22 \| good	3.116 \| good	14.672 \| good	24.398 \| good	0.205 \| good	4.52 \| good	0.173 \| good
2025-09-04T07:00:00.000Z	22 \| good	4.016 \| good	14.219 \| good	24.232 \| good	0.176 \| good	3.256 \| good	0.158 \| good
2025-09-04T08:00:00.000Z	22 \| good	3.794 \| good	15.845 \| good	21.811 \| good	0.185 \| good	3.02 \| good	0.158 \| good
2025-09-04T09:00:00.000Z	22 \| good	3.646 \| good	15.146 \| good	18.122 \| good	0.224 \| good	4.227 \| good	0.197 \| good
2025-09-04T10:00:00.000Z	22 \| good	4.058 \| good	12.952 \| good	20.467 \| good	0.213 \| good	3.376 \| good	0.231 \| good
2025-09-04T11:00:00.000Z	25 \| good	4.263 \| good	13.391 \| good	26.819 \| good	0.172 \| good	5.552 \| good	0.271 \| good
2025-09-04T12:00:00.000Z	27 \| good	4.617 \| good	16.203 \| good	23.884 \| good	0.197 \| good	7.381 \| good	0.237 \| good
2025-09-04T13:00:00.000Z	44 \| good	8.139 \| good	35.685 \| good	36.941 \| good	1.995 \| good	4.329 \| good	0.177 \| good
2025-09-04T14:00:00.000Z	33 \| good	5.539 \| good	20.463 \| good	27.923 \| good	0.235 \| good	5.773 \| good	0.23 \| good
2025-09-04T15:00:00.000Z	33 \| good	6.241 \| good	30.75 \| good	33.002 \| good	0.192 \| good	4.264 \| good	0.213 \| good
2025-09-04T15:00:00.000Z	27 \| good	5.276 \| good	21.811 \| good	28.329 \| good	0.238 \| good	6.382 \| good	0.228 \| good
2025-09-04T13:00:00.000Z	31 \| good	4.591 \| good	19.722 \| good	32.795 \| good	1.695 \| good	4.368 \| good	0.188 \| good
2025-09-04T14:00:00.000Z	38 \| good	6.815 \| good	30.432 \| good	39.679 \| good	1.751 \| good	3.39 \| good	0.189 \| good
2025-09-04T15:00:00.000Z	44 \| good	7.825 \| good	34.523 \| good	43.358 \| good	1.807 \| good	2.411 \| good	0.191 \| good
2025-09-04T16:00:00.000Z	44 \| good	8.107 \| good	35.693 \| good	48.401 \| good	1.649 \| good	2.036 \| good	0.185 \| good
2025-09-04T17:00:00.000Z	49 \| good	8.643 \| good	38.002 \| good	49.978 \| good	1.491 \| good	1.66 \| good	0.179 \| good
2025-09-04T18:00:00.000Z	49 \| good	8.517 \| good	37.302 \| good	50.82 \| good	1.333 \| good	1.284 \| good	0.174 \| good
2025-09-04T19:00:00.000Z	47 \| good	7.514 \| good	33.1 \| good	51.054 \| good	1.269 \| good	1.426 \| good	0.173 \| good
2025-09-04T20:00:00.000Z	46 \| good	7.329 \| good	32.274 \| good	49.912 \| good	1.204 \| good	1.567 \| good	0.172 \| good
2025-09-04T21:00:00.000Z	49 \| good	8.555 \| good	37.203 \| good	49.465 \| good	1.14 \| good	1.709 \| good	0.17 \| good
2025-09-04T22:00:00.000Z	45 \| good	6.987 \| good	31.045 \| good	49.219 \| good	1.258 \| good	2.528 \| good	0.179 \| good
2025-09-04T23:00:00.000Z	42 \| good	5.324 \| good	22.847 \| good	44.908 \| good	1.376 \| good	3.347 \| good	0.187 \| good
2025-09-05T00:00:00.000Z	38 \| good	6.9 \| good	30.617 \| good	41.385 \| good	1.495 \| good	4.166 \| good	0.195 \| good
2025-09-05T01:00:00.000Z	44 \| good	8.153 \| good	35.689 \| good	32.862 \| good	1.464 \| good	5.003 \| good	0.204 \| good
2025-09-05T02:00:00.000Z	52 \| moderate	10.028 \| good	44.512 \| good	31.887 \| good	1.433 \| good	5.84 \| good	0.212 \| good
2025-09-05T03:00:00.000Z	38 \| good	7.306 \| good	32.355 \| good	29.537 \| good	1.403 \| good	6.676 \| good	0.221 \| good
2025-09-05T04:00:00.000Z	38 \| good	7.016 \| good	30.686 \| good	27.719 \| good	1.413 \| good	6.102 \| good	0.218 \| good
2025-09-05T05:00:00.000Z	38 \| good	6.668 \| good	29.717 \| good	25.446 \| good	1.424 \| good	5.527 \| good	0.216 \| good
2025-09-05T06:00:00.000Z	33 \| good	5.523 \| good	24.066 \| good	23.819 \| good	1.434 \| good	4.952 \| good	0.213 \| good
2025-09-05T07:00:00.000Z	27 \| good	5.251 \| good	22.553 \| good	21.005 \| good	1.456 \| good	4.45 \| good	0.208 \| good
2025-09-05T08:00:00.000Z	33 \| good	5.804 \| good	25.175 \| good	14.759 \| good	1.477 \| good	3.947 \| good	0.203 \| good
2025-09-05T09:00:00.000Z	44 \| good	7.722 \| good	33.732 \| good	14.931 \| good	1.499 \| good	3.445 \| good	0.198 \| good
2025-09-05T10:00:00.000Z	49 \| good	8.523 \| good	37.428 \| good	10.242 \| good	1.575 \| good	3.964 \| good	0.203 \| good
2025-09-05T11:00:00.000Z	44 \| good	8.136 \| good	36.008 \| good	10.313 \| good	1.651 \| good	4.482 \| good	0.208 \| good
2025-09-05T12:00:00.000Z	44 \| good	7.739 \| good	33.825 \| good	16.973 \| good	1.727 \| good	5.001 \| good	0.213 \| good
2025-09-05T13:00:00.000Z	38 \| good	7.48 \| good	32.754 \| good	26.631 \| good	1.823 \| good	4.15 \| good	0.218 \| good
2025-09-05T14:00:00.000Z	44 \| good	7.599 \| good	33.62 \| good	34.946 \| good	1.919 \| good	3.298 \| good	0.223 \| good
2025-09-05T15:00:00.000Z	44 \| good	7.617 \| good	33.706 \| good	40.377 \| good	2.015 \| good	2.447 \| good	0.227 \| good
2025-09-05T16:00:00.000Z	44 \| good	7.062 \| good	31.097 \| good	47.038 \| good	1.69 \| good	2.147 \| good	0.219 \| good
2025-09-05T17:00:00.000Z	44 \| good	6.441 \| good	28.983 \| good	47.887 \| good	1.365 \| good	1.846 \| good	0.211 \| good
2025-09-05T18:00:00.000Z	44 \| good	5.707 \| good	24.692 \| good	47.954 \| good	1.04 \| good	1.546 \| good	0.202 \| good
2025-09-05T19:00:00.000Z	45 \| good	5.24 \| good	22.629 \| good	48.834 \| good	0.996 \| good	1.704 \| good	0.202 \| good
2025-09-05T20:00:00.000Z	47 \| good	5.494 \| good	23.775 \| good	50.737 \| good	0.952 \| good	1.862 \| good	0.202 \| good
2025-09-05T21:00:00.000Z	46 \| good	5.871 \| good	25.746 \| good	49.828 \| good	0.908 \| good	2.021 \| good	0.202 \| good
2025-09-05T22:00:00.000Z	43 \| good	6.599 \| good	29.49 \| good	46.249 \| good	0.988 \| good	4.331 \| good	0.219 \| good
2025-09-05T23:00:00.000Z	38 \| good	6.897 \| good	30.564 \| good	39.709 \| good	1.067 \| good	6.64 \| good	0.237 \| good
2025-09-06T00:00:00.000Z	38 \| good	6.912 \| good	30.79 \| good	37.285 \| good	1.147 \| good	8.95 \| good	0.254 \| good
2025-09-06T01:00:00.000Z	38 \| good	6.629 \| good	29.373 \| good	33.067 \| good	1.247 \| good	8.278 \| good	0.248 \| good
2025-09-06T02:00:00.000Z	33 \| good	6.175 \| good	27.576 \| good	29.804 \| good	1.347 \| good	7.605 \| good	0.243 \| good
2025-09-06T03:00:00.000Z	33 \| good	5.512 \| good	23.733 \| good	25.285 \| good	1.448 \| good	6.932 \| good	0.237 \| good
2025-09-06T04:00:00.000Z	33 \| good	6.259 \| good	27.797 \| good	21.637 \| good	1.497 \| good	6.03 \| good	0.23 \| good
2025-09-06T05:00:00.000Z	38 \| good	6.941 \| good	30.771 \| good	21.441 \| good	1.546 \| good	5.128 \| good	0.224 \| good
2025-09-06T06:00:00.000Z	52 \| moderate	9.74 \| good	9.827 \| good	49.062 \| good	1.608 \| good	4.233 \| good	0.218 \| good
2025-09-06T07:00:00.000Z	38 \| good	6.515 \| good	29.016 \| good	21.531 \| good	1.573 \| good	4.031 \| good	0.213 \| good
2025-09-06T08:00:00.000Z	27 \| good	5.451 \| good	23.517 \| good	19.424 \| good	1.551 \| good	3.837 \| good	0.209 \| good
2025-09-06T09:00:00.000Z	22 \| good	4.147 \| good	18.376 \| good	18.541 \| good	1.528 \| good	3.642 \| good	0.205 \| good
2025-09-06T10:00:00.000Z	22 \| good	4.458 \| good	19.395 \| good	16.536 \| good	1.514 \| good	4.419 \| good	0.21 \| good
2025-09-06T11:00:00.000Z	27 \| good	4.68 \| good	20.055 \| good	15.363 \| good	1.5 \| good	5.197 \| good	0.214 \| good
2025-09-06T12:00:00.000Z	44 \| good	7.888 \| good	7.981 \| good	35.425 \| good	1.497 \| good	6.001 \| good	0.219 \| 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
Bethesda, Maryland	54 Moderate	10.62μg/m³ Good	47.34μg/m³ Good	36.76ppb Good	2.12ppb Good	4.40ppb Good	0.19ppm Good
Chillum, Maryland	54 Moderate	10.71μg/m³ Good	47.53μg/m³ Good	36.51ppb Good	2.01ppb Good	4.25ppb Good	0.19ppm Good
Glassmanor, Maryland	52 Moderate	10.14μg/m³ Good	45.08μg/m³ Good	35.74ppb Good	1.85ppb Good	3.97ppb Good	0.18ppm Good
Hyattsville, Maryland	52 Moderate	10.46μg/m³ Good	46.29μg/m³ Good	36.24ppb Good	1.98ppb Good	4.21ppb Good	0.18ppm Good
Langley Park, Maryland	52 Moderate	10.12μg/m³ Good	44.83μg/m³ Good	36.20ppb Good	2.06ppb Good	4.34ppb Good	0.19ppm Good
Oxon Hill, Maryland	52 Moderate	10.09μg/m³ Good	44.95μg/m³ Good	35.69ppb Good	1.84ppb Good	3.96ppb Good	0.18ppm Good
Potomac, Maryland	52 Moderate	10.17μg/m³ Good	45.07μg/m³ Good	35.73ppb Good	2.15ppb Good	4.43ppb Good	0.19ppm Good
Silver Spring, Maryland	52 Moderate	10.24μg/m³ Good	45.33μg/m³ Good	36.41ppb Good	2.08ppb Good	4.35ppb Good	0.19ppm Good
Takoma Park, Maryland	52 Moderate	10.31μg/m³ Good	45.66μg/m³ Good	36.41ppb Good	2.06ppb Good	4.31ppb Good	0.19ppm Good
Adelphi, Maryland	52 Moderate	9.88μg/m³ Good	43.91μg/m³ Good	36.10ppb Good	2.08ppb Good	4.38ppb Good	0.19ppm Good
College Park, Maryland	52 Moderate	9.94μg/m³ Good	44.15μg/m³ Good	36.12ppb Good	2.05ppb Good	4.34ppb Good	0.18ppm Good
East Riverdale, Maryland	52 Moderate	9.95μg/m³ Good	44.10μg/m³ Good	36.20ppb Good	1.97ppb Good	4.19ppb Good	0.18ppm Good
Friendly, Maryland	52 Moderate	9.51μg/m³ Good	42.26μg/m³ Good	35.29ppb Good	1.80ppb Good	3.83ppb Good	0.18ppm Good
Hillcrest Heights, Maryland	52 Moderate	9.91μg/m³ Good	43.95μg/m³ Good	35.48ppb Good	1.80ppb Good	3.86ppb Good	0.18ppm Good
Landover, Maryland	52 Moderate	9.69μg/m³ Good	43.05μg/m³ Good	36.06ppb Good	1.86ppb Good	4.00ppb Good	0.18ppm Good
Summerfield, Maryland	52 Moderate	9.69μg/m³ Good	43.05μg/m³ Good	36.06ppb Good	1.86ppb Good	4.00ppb Good	0.18ppm Good
New Carrollton, Maryland	52 Moderate	9.92μg/m³ Good	43.98μg/m³ Good	36.19ppb Good	1.96ppb Good	4.18ppb Good	0.18ppm Good
Woodlawn CDP, Maryland	52 Moderate	9.92μg/m³ Good	43.98μg/m³ Good	36.19ppb Good	1.96ppb Good	4.18ppb Good	0.18ppm Good
Suitland, Maryland	52 Moderate	9.98μg/m³ Good	44.13μg/m³ Good	35.52ppb Good	1.79ppb Good	3.86ppb Good	0.18ppm Good
Camp Springs, Maryland	49 Good	9.27μg/m³ Good	40.91μg/m³ Good	34.91ppb Good	1.74ppb Good	3.75ppb Good	0.18ppm Good
Forestville, Maryland	49 Good	9.31μg/m³ Good	41.14μg/m³ Good	35.03ppb Good	1.74ppb Good	3.76ppb Good	0.18ppm Good
Frederick, Maryland	49 Good	9.28μg/m³ Good	41.01μg/m³ Good	29.99ppb Good	1.85ppb Good	3.33ppb Good	0.19ppm Good
Greenbelt, Maryland	49 Good	9.36μg/m³ Good	41.59μg/m³ Good	36.13ppb Good	2.07ppb Good	4.39ppb Good	0.18ppm Good
Kemp Mill, Maryland	49 Good	9.46μg/m³ Good	41.86μg/m³ Good	35.79ppb Good	2.19ppb Good	4.50ppb Good	0.19ppm Good
Lanham, Maryland	49 Good	9.42μg/m³ Good	41.87μg/m³ Good	36.37ppb Good	1.92ppb Good	4.13ppb Good	0.18ppm Good
Seabrook, Maryland	49 Good	9.42μg/m³ Good	41.87μg/m³ Good	36.37ppb Good	1.92ppb Good	4.13ppb Good	0.18ppm Good
Linganore, Maryland	49 Good	9.27μg/m³ Good	41.00μg/m³ Good	30.63ppb Good	2.08ppb Good	3.81ppb Good	0.19ppm Good
Urbana, Maryland	49 Good	9.38μg/m³ Good	41.65μg/m³ Good	30.15ppb Good	2.04ppb Good	3.75ppb Good	0.19ppm Good
White Oak, Maryland	49 Good	9.47μg/m³ Good	41.83μg/m³ Good	35.75ppb Good	2.16ppb Good	4.51ppb Good	0.19ppm Good
Baltimore, Maryland	49 Good	8.95μg/m³ Good	38.98μg/m³ Good	34.07ppb Good	2.08ppb Good	4.43ppb Good	0.18ppm Good
Clinton, Maryland	49 Good	8.86μg/m³ Good	39.07μg/m³ Good	34.49ppb Good	1.72ppb Good	3.68ppb Good	0.18ppm Good
Colesville, Maryland	49 Good	8.97μg/m³ Good	39.10μg/m³ Good	35.40ppb Good	2.21ppb Good	4.58ppb Good	0.19ppm Good
Fort Washington, Maryland	49 Good	8.95μg/m³ Good	39.00μg/m³ Good	34.91ppb Good	1.76ppb Good	3.68ppb Good	0.18ppm Good
Garrison, Maryland	49 Good	8.96μg/m³ Good	39.00μg/m³ Good	29.99ppb Good	2.38ppb Good	4.55ppb Good	0.18ppm Good
Glenn Dale, Maryland	49 Good	8.95μg/m³ Good	39.50μg/m³ Good	36.62ppb Good	1.95ppb Good	4.18ppb Good	0.18ppm Good
Green Valley, Maryland	49 Good	8.94μg/m³ Good	39.10μg/m³ Good	31.21ppb Good	2.19ppb Good	4.22ppb Good	0.20ppm Good
Kettering, Maryland	49 Good	8.84μg/m³ Good	39.10μg/m³ Good	35.10ppb Good	1.74ppb Good	3.77ppb Good	0.18ppm Good
Largo, Maryland	49 Good	8.84μg/m³ Good	39.10μg/m³ Good	35.10ppb Good	1.74ppb Good	3.77ppb Good	0.18ppm Good
Lake Arbor, Maryland	49 Good	8.95μg/m³ Good	39.04μg/m³ Good	36.04ppb Good	1.77ppb Good	3.84ppb Good	0.18ppm Good
Lochearn, Maryland	49 Good	8.90μg/m³ Good	38.94μg/m³ Good	32.30ppb Good	2.37ppb Good	4.82ppb Good	0.18ppm Good
Milford Mill, Maryland	49 Good	8.93μg/m³ Good	39.00μg/m³ Good	31.34ppb Good	2.38ppb Good	4.75ppb Good	0.18ppm Good
Mitchellville, Maryland	49 Good	8.96μg/m³ Good	39.14μg/m³ Good	36.70ppb Good	1.86ppb Good	4.01ppb Good	0.18ppm Good
Owings Mills, Maryland	49 Good	8.96μg/m³ Good	39.00μg/m³ Good	29.41ppb Good	2.41ppb Good	4.48ppb Good	0.18ppm Good
Pikesville, Maryland	49 Good	8.95μg/m³ Good	39.00μg/m³ Good	31.11ppb Good	2.34ppb Good	4.58ppb Good	0.18ppm Good
Randallstown, Maryland	49 Good	8.92μg/m³ Good	39.00μg/m³ Good	30.43ppb Good	2.40ppb Good	4.70ppb Good	0.18ppm Good
Reisterstown, Maryland	49 Good	8.96μg/m³ Good	39.04μg/m³ Good	29.12ppb Good	2.49ppb Good	4.36ppb Good	0.18ppm Good
Westminster, Maryland	49 Good	8.99μg/m³ Good	39.37μg/m³ Good	32.21ppb Good	2.32ppb Good	4.00ppb Good	0.18ppm Good
Aspen Hill, Maryland	49 Good	8.73μg/m³ Good	38.63μg/m³ Good	35.01ppb Good	2.23ppb Good	4.58ppb Good	0.19ppm Good
Bowie, Maryland	49 Good	8.81μg/m³ Good	38.98μg/m³ Good	36.71ppb Good	2.01ppb Good	4.32ppb Good	0.18ppm Good
Burtonsville, Maryland	49 Good	8.81μg/m³ Good	39.02μg/m³ Good	34.52ppb Good	2.27ppb Good	4.73ppb Good	0.19ppm Good

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

0.18ppm

How accurate is Maryland, USA air quality data?

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

Source: Ambee Data Sources

Air quality levels in US

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 07:00:00 on 2025-09-03.

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 10:00:00 on 2025-09-04.

What is the AQI in Maryland, USA right now?

As of now, the AQI in Maryland, USA is 27, 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 5.092 μg/m³.

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

The PM₁₀ concentration in Maryland, USA is 21.603 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 0.225 ppm.

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

Currently, Maryland, USA has a sulfur dioxide (SO₂) concentration of 0.191 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 23.799 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 7.037 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-02T16:00:00.000Z	30 \| good	3.267 \| good	15.902 \| good	31.637 \| good	0.183 \| good	5.151 \| good	0.19 \| good
2025-09-02T17:00:00.000Z	33 \| good	3.845 \| good	13.816 \| good	35.768 \| good	0.165 \| good	4.192 \| good	0.173 \| good
2025-09-02T18:00:00.000Z	35 \| good	3.518 \| good	13.457 \| good	38.102 \| good	0.192 \| good	4.019 \| good	0.19 \| good
2025-09-02T19:00:00.000Z	38 \| good	3.629 \| good	14.844 \| good	40.934 \| good	0.192 \| good	3.853 \| good	0.182 \| good
2025-09-02T20:00:00.000Z	41 \| good	4.707 \| good	14.206 \| good	44.392 \| good	0.128 \| good	1.904 \| good	0.182 \| good
2025-09-02T21:00:00.000Z	40 \| good	2.393 \| good	9.822 \| good	42.539 \| good	0.139 \| good	1.653 \| good	0.182 \| good
2025-09-02T22:00:00.000Z	39 \| good	2.431 \| good	8.856 \| good	41.734 \| good	0.138 \| good	1.483 \| good	0.182 \| good
2025-09-02T23:00:00.000Z	38 \| good	2.683 \| good	10.451 \| good	41.472 \| good	0.149 \| good	2.833 \| good	0.229 \| good
2025-09-03T00:00:00.000Z	38 \| good	3.212 \| good	16.43 \| good	40.89 \| good	0.182 \| good	5.823 \| good	0.209 \| good
2025-09-03T01:00:00.000Z	36 \| good	2.499 \| good	10.878 \| good	38.844 \| good	0.202 \| good	10.695 \| good	0.224 \| good
2025-09-03T02:00:00.000Z	29 \| good	2.216 \| good	12.15 \| good	30.918 \| good	0.254 \| good	15.243 \| good	0.259 \| good
2025-09-03T03:00:00.000Z	22 \| good	3.993 \| good	17.41 \| good	17.927 \| good	1.428 \| good	22.211 \| good	0.347 \| good
2025-09-03T04:00:00.000Z	22 \| good	3.709 \| good	12.747 \| good	24.365 \| good	0.203 \| good	12.716 \| good	0.273 \| good
2025-09-03T05:00:00.000Z	22 \| good	4.134 \| good	14.031 \| good	12.805 \| good	0.161 \| good	13.351 \| good	0.288 \| good
2025-09-03T06:00:00.000Z	22 \| good	4.071 \| good	14.943 \| good	12.636 \| good	0.213 \| good	12.492 \| good	0.288 \| good
2025-09-03T07:00:00.000Z	22 \| good	4.35 \| good	14.891 \| good	8.843 \| good	0.193 \| good	11.093 \| good	0.33 \| good
2025-09-03T08:00:00.000Z	16 \| good	3.409 \| good	16.281 \| good	11.982 \| good	0.2 \| good	10.979 \| good	0.296 \| good
2025-09-03T09:00:00.000Z	22 \| good	4.389 \| good	20.649 \| good	9.591 \| good	0.175 \| good	12.434 \| good	0.27 \| good
2025-09-03T10:00:00.000Z	25 \| good	4.302 \| good	27.015 \| good	7.633 \| good	0.181 \| good	11.867 \| good	0.27 \| good
2025-09-03T11:00:00.000Z	38 \| good	7.296 \| good	17.756 \| good	6.775 \| good	0.169 \| good	13.788 \| good	0.304 \| good
2025-09-03T12:00:00.000Z	31 \| good	5.258 \| good	34.389 \| good	7.171 \| good	0.249 \| good	13.037 \| good	0.397 \| good
2025-09-03T13:00:00.000Z	27 \| good	4.679 \| good	18.946 \| good	10.942 \| good	0.407 \| good	13.917 \| good	0.432 \| good
2025-09-03T14:00:00.000Z	33 \| good	6.337 \| good	24.931 \| good	14.353 \| good	0.492 \| good	17.101 \| good	0.388 \| good
2025-09-03T15:00:00.000Z	33 \| good	5.756 \| good	29.916 \| good	23.097 \| good	0.408 \| good	10.915 \| good	0.272 \| good
2025-09-03T16:00:00.000Z	33 \| good	5.61 \| good	22.747 \| good	28.427 \| good	0.27 \| good	7.033 \| good	0.213 \| good
2025-09-03T17:00:00.000Z	35 \| good	5.583 \| good	23.209 \| good	37.908 \| good	0.216 \| good	6.185 \| good	0.188 \| good
2025-09-03T18:00:00.000Z	41 \| good	5.857 \| good	28.594 \| good	44.47 \| good	0.213 \| good	5.085 \| good	0.198 \| good
2025-09-03T19:00:00.000Z	46 \| good	5.116 \| good	18.588 \| good	50.457 \| good	0.185 \| good	3.962 \| good	0.183 \| good
2025-09-03T20:00:00.000Z	45 \| good	4.387 \| good	16.55 \| good	48.671 \| good	0.184 \| good	3.86 \| good	0.197 \| good
2025-09-03T21:00:00.000Z	44 \| good	3.799 \| good	18.741 \| good	46.715 \| good	0.183 \| good	3.092 \| good	0.197 \| good
2025-09-03T22:00:00.000Z	44 \| good	3.811 \| good	17.151 \| good	46.611 \| good	0.239 \| good	2.905 \| good	0.182 \| good
2025-09-03T23:00:00.000Z	41 \| good	4.022 \| good	18.399 \| good	43.778 \| good	0.21 \| good	3.752 \| good	0.21 \| good
2025-09-04T00:00:00.000Z	41 \| good	4.295 \| good	14.43 \| good	44.383 \| good	0.213 \| good	5.376 \| good	0.21 \| good
2025-09-04T01:00:00.000Z	40 \| good	3.893 \| good	15.217 \| good	42.509 \| good	0.257 \| good	6.889 \| good	0.247 \| good
2025-09-04T02:00:00.000Z	37 \| good	4.053 \| good	16.04 \| good	40.103 \| good	0.363 \| good	9.308 \| good	0.23 \| good
2025-09-04T03:00:00.000Z	31 \| good	4.115 \| good	13.407 \| good	33.428 \| good	0.341 \| good	8.578 \| good	0.23 \| good
2025-09-04T04:00:00.000Z	30 \| good	4.216 \| good	17.121 \| good	31.906 \| good	0.216 \| good	11.307 \| good	0.205 \| good
2025-09-04T05:00:00.000Z	27 \| good	3.756 \| good	15.05 \| good	29.258 \| good	0.209 \| good	7.542 \| good	0.209 \| good
2025-09-04T06:00:00.000Z	22 \| good	3.116 \| good	14.672 \| good	24.398 \| good	0.205 \| good	4.52 \| good	0.173 \| good
2025-09-04T07:00:00.000Z	22 \| good	4.016 \| good	14.219 \| good	24.232 \| good	0.176 \| good	3.256 \| good	0.158 \| good
2025-09-04T08:00:00.000Z	22 \| good	3.794 \| good	15.845 \| good	21.811 \| good	0.185 \| good	3.02 \| good	0.158 \| good
2025-09-04T09:00:00.000Z	22 \| good	3.646 \| good	15.146 \| good	18.122 \| good	0.224 \| good	4.227 \| good	0.197 \| good
2025-09-04T10:00:00.000Z	22 \| good	4.058 \| good	12.952 \| good	20.467 \| good	0.213 \| good	3.376 \| good	0.231 \| good
2025-09-04T11:00:00.000Z	25 \| good	4.263 \| good	13.391 \| good	26.819 \| good	0.172 \| good	5.552 \| good	0.271 \| good
2025-09-04T12:00:00.000Z	27 \| good	4.617 \| good	16.203 \| good	23.884 \| good	0.197 \| good	7.381 \| good	0.237 \| good
2025-09-04T13:00:00.000Z	44 \| good	8.139 \| good	35.685 \| good	36.941 \| good	1.995 \| good	4.329 \| good	0.177 \| good
2025-09-04T14:00:00.000Z	33 \| good	5.539 \| good	20.463 \| good	27.923 \| good	0.235 \| good	5.773 \| good	0.23 \| good
2025-09-04T15:00:00.000Z	33 \| good	6.241 \| good	30.75 \| good	33.002 \| good	0.192 \| good	4.264 \| good	0.213 \| good
2025-09-04T15:00:00.000Z	27 \| good	5.276 \| good	21.811 \| good	28.329 \| good	0.238 \| good	6.382 \| good	0.228 \| good
2025-09-04T13:00:00.000Z	31 \| good	4.591 \| good	19.722 \| good	32.795 \| good	1.695 \| good	4.368 \| good	0.188 \| good
2025-09-04T14:00:00.000Z	38 \| good	6.815 \| good	30.432 \| good	39.679 \| good	1.751 \| good	3.39 \| good	0.189 \| good
2025-09-04T15:00:00.000Z	44 \| good	7.825 \| good	34.523 \| good	43.358 \| good	1.807 \| good	2.411 \| good	0.191 \| good
2025-09-04T16:00:00.000Z	44 \| good	8.107 \| good	35.693 \| good	48.401 \| good	1.649 \| good	2.036 \| good	0.185 \| good
2025-09-04T17:00:00.000Z	49 \| good	8.643 \| good	38.002 \| good	49.978 \| good	1.491 \| good	1.66 \| good	0.179 \| good
2025-09-04T18:00:00.000Z	49 \| good	8.517 \| good	37.302 \| good	50.82 \| good	1.333 \| good	1.284 \| good	0.174 \| good
2025-09-04T19:00:00.000Z	47 \| good	7.514 \| good	33.1 \| good	51.054 \| good	1.269 \| good	1.426 \| good	0.173 \| good
2025-09-04T20:00:00.000Z	46 \| good	7.329 \| good	32.274 \| good	49.912 \| good	1.204 \| good	1.567 \| good	0.172 \| good
2025-09-04T21:00:00.000Z	49 \| good	8.555 \| good	37.203 \| good	49.465 \| good	1.14 \| good	1.709 \| good	0.17 \| good
2025-09-04T22:00:00.000Z	45 \| good	6.987 \| good	31.045 \| good	49.219 \| good	1.258 \| good	2.528 \| good	0.179 \| good
2025-09-04T23:00:00.000Z	42 \| good	5.324 \| good	22.847 \| good	44.908 \| good	1.376 \| good	3.347 \| good	0.187 \| good
2025-09-05T00:00:00.000Z	38 \| good	6.9 \| good	30.617 \| good	41.385 \| good	1.495 \| good	4.166 \| good	0.195 \| good
2025-09-05T01:00:00.000Z	44 \| good	8.153 \| good	35.689 \| good	32.862 \| good	1.464 \| good	5.003 \| good	0.204 \| good
2025-09-05T02:00:00.000Z	52 \| moderate	10.028 \| good	44.512 \| good	31.887 \| good	1.433 \| good	5.84 \| good	0.212 \| good
2025-09-05T03:00:00.000Z	38 \| good	7.306 \| good	32.355 \| good	29.537 \| good	1.403 \| good	6.676 \| good	0.221 \| good
2025-09-05T04:00:00.000Z	38 \| good	7.016 \| good	30.686 \| good	27.719 \| good	1.413 \| good	6.102 \| good	0.218 \| good
2025-09-05T05:00:00.000Z	38 \| good	6.668 \| good	29.717 \| good	25.446 \| good	1.424 \| good	5.527 \| good	0.216 \| good
2025-09-05T06:00:00.000Z	33 \| good	5.523 \| good	24.066 \| good	23.819 \| good	1.434 \| good	4.952 \| good	0.213 \| good
2025-09-05T07:00:00.000Z	27 \| good	5.251 \| good	22.553 \| good	21.005 \| good	1.456 \| good	4.45 \| good	0.208 \| good
2025-09-05T08:00:00.000Z	33 \| good	5.804 \| good	25.175 \| good	14.759 \| good	1.477 \| good	3.947 \| good	0.203 \| good
2025-09-05T09:00:00.000Z	44 \| good	7.722 \| good	33.732 \| good	14.931 \| good	1.499 \| good	3.445 \| good	0.198 \| good
2025-09-05T10:00:00.000Z	49 \| good	8.523 \| good	37.428 \| good	10.242 \| good	1.575 \| good	3.964 \| good	0.203 \| good
2025-09-05T11:00:00.000Z	44 \| good	8.136 \| good	36.008 \| good	10.313 \| good	1.651 \| good	4.482 \| good	0.208 \| good
2025-09-05T12:00:00.000Z	44 \| good	7.739 \| good	33.825 \| good	16.973 \| good	1.727 \| good	5.001 \| good	0.213 \| good
2025-09-05T13:00:00.000Z	38 \| good	7.48 \| good	32.754 \| good	26.631 \| good	1.823 \| good	4.15 \| good	0.218 \| good
2025-09-05T14:00:00.000Z	44 \| good	7.599 \| good	33.62 \| good	34.946 \| good	1.919 \| good	3.298 \| good	0.223 \| good
2025-09-05T15:00:00.000Z	44 \| good	7.617 \| good	33.706 \| good	40.377 \| good	2.015 \| good	2.447 \| good	0.227 \| good
2025-09-05T16:00:00.000Z	44 \| good	7.062 \| good	31.097 \| good	47.038 \| good	1.69 \| good	2.147 \| good	0.219 \| good
2025-09-05T17:00:00.000Z	44 \| good	6.441 \| good	28.983 \| good	47.887 \| good	1.365 \| good	1.846 \| good	0.211 \| good
2025-09-05T18:00:00.000Z	44 \| good	5.707 \| good	24.692 \| good	47.954 \| good	1.04 \| good	1.546 \| good	0.202 \| good
2025-09-05T19:00:00.000Z	45 \| good	5.24 \| good	22.629 \| good	48.834 \| good	0.996 \| good	1.704 \| good	0.202 \| good
2025-09-05T20:00:00.000Z	47 \| good	5.494 \| good	23.775 \| good	50.737 \| good	0.952 \| good	1.862 \| good	0.202 \| good
2025-09-05T21:00:00.000Z	46 \| good	5.871 \| good	25.746 \| good	49.828 \| good	0.908 \| good	2.021 \| good	0.202 \| good
2025-09-05T22:00:00.000Z	43 \| good	6.599 \| good	29.49 \| good	46.249 \| good	0.988 \| good	4.331 \| good	0.219 \| good
2025-09-05T23:00:00.000Z	38 \| good	6.897 \| good	30.564 \| good	39.709 \| good	1.067 \| good	6.64 \| good	0.237 \| good
2025-09-06T00:00:00.000Z	38 \| good	6.912 \| good	30.79 \| good	37.285 \| good	1.147 \| good	8.95 \| good	0.254 \| good
2025-09-06T01:00:00.000Z	38 \| good	6.629 \| good	29.373 \| good	33.067 \| good	1.247 \| good	8.278 \| good	0.248 \| good
2025-09-06T02:00:00.000Z	33 \| good	6.175 \| good	27.576 \| good	29.804 \| good	1.347 \| good	7.605 \| good	0.243 \| good
2025-09-06T03:00:00.000Z	33 \| good	5.512 \| good	23.733 \| good	25.285 \| good	1.448 \| good	6.932 \| good	0.237 \| good
2025-09-06T04:00:00.000Z	33 \| good	6.259 \| good	27.797 \| good	21.637 \| good	1.497 \| good	6.03 \| good	0.23 \| good
2025-09-06T05:00:00.000Z	38 \| good	6.941 \| good	30.771 \| good	21.441 \| good	1.546 \| good	5.128 \| good	0.224 \| good
2025-09-06T06:00:00.000Z	52 \| moderate	9.74 \| good	9.827 \| good	49.062 \| good	1.608 \| good	4.233 \| good	0.218 \| good
2025-09-06T07:00:00.000Z	38 \| good	6.515 \| good	29.016 \| good	21.531 \| good	1.573 \| good	4.031 \| good	0.213 \| good
2025-09-06T08:00:00.000Z	27 \| good	5.451 \| good	23.517 \| good	19.424 \| good	1.551 \| good	3.837 \| good	0.209 \| good
2025-09-06T09:00:00.000Z	22 \| good	4.147 \| good	18.376 \| good	18.541 \| good	1.528 \| good	3.642 \| good	0.205 \| good
2025-09-06T10:00:00.000Z	22 \| good	4.458 \| good	19.395 \| good	16.536 \| good	1.514 \| good	4.419 \| good	0.21 \| good
2025-09-06T11:00:00.000Z	27 \| good	4.68 \| good	20.055 \| good	15.363 \| good	1.5 \| good	5.197 \| good	0.214 \| good
2025-09-06T12:00:00.000Z	44 \| good	7.888 \| good	7.981 \| good	35.425 \| good	1.497 \| good	6.001 \| good	0.219 \| 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?