What is the PM10 level in White Marsh, Maryland at the moment?

The PM10 concentration in White Marsh, Maryland is 18.151 μg/m3 at the moment.

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

Currently, White Marsh, Maryland has a sulfur dioxide (SO2) concentration of 0.349 ppb.

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

The current ozone (O3) level in White Marsh, Maryland at the moment is 36.78 ppm.

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

Nitrogen dioxide (NO2) level in White Marsh, Maryland at the moment is 4.592 ppb.

Live air quality index in White Marsh, Maryland today

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

Stay updated with real-time air quality in White Marsh, Maryland 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

White Marsh, Maryland

Last updated: ... (Local time)

Major air pollutants in White Marsh, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.54 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.15 μg/m³

155

255

425

605+

Ozone (O₃)

36.78 ppb

201

201+

Sulfur Dioxide (SO₂)

0.35 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.59 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

White Marsh, Maryland

Get Live Pollen Counts

White Marsh, Maryland

Scroll To Air Quality Map

Track live White Marsh, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T22:00:00.000Z	44 \| good	8.275 \| good	27.933 \| good	40.569 \| good	0.269 \| good	4.227 \| good	0.127 \| good
2025-10-19T23:00:00.000Z	44 \| good	7.821 \| good	26.996 \| good	39.273 \| good	0.358 \| good	5.348 \| good	0.127 \| good
2025-10-20T00:00:00.000Z	38 \| good	6.55 \| good	23.311 \| good	40.268 \| good	0.293 \| good	4.508 \| good	0.127 \| good
2025-10-20T01:00:00.000Z	35 \| good	5.851 \| good	20.041 \| good	38.282 \| good	0.278 \| good	5.609 \| good	0.195 \| good
2025-10-20T02:00:00.000Z	35 \| good	5.629 \| good	20.046 \| good	38.162 \| good	0.283 \| good	4.495 \| good	0.132 \| good
2025-10-20T03:00:00.000Z	34 \| good	5.494 \| good	20.327 \| good	37.306 \| good	0.278 \| good	4.678 \| good	0.112 \| good
2025-10-20T04:00:00.000Z	37 \| good	4.625 \| good	17.228 \| good	39.827 \| good	0.262 \| good	3.561 \| good	0.112 \| good
2025-10-20T05:00:00.000Z	34 \| good	3.743 \| good	13.814 \| good	37.243 \| good	0.205 \| good	4.175 \| good	0.112 \| good
2025-10-20T06:00:00.000Z	31 \| good	3.296 \| good	11.435 \| good	34.415 \| good	0.26 \| good	4.299 \| good	0.112 \| good
2025-10-20T07:00:00.000Z	31 \| good	3.206 \| good	11.117 \| good	34.415 \| good	0.267 \| good	4.276 \| good	0.112 \| good
2025-10-20T08:00:00.000Z	29 \| good	2.988 \| good	10.646 \| good	31.476 \| good	0.268 \| good	5.781 \| good	0.112 \| good
2025-10-20T09:00:00.000Z	25 \| good	2.564 \| good	9.162 \| good	27.038 \| good	0.201 \| good	6.565 \| good	0.117 \| good
2025-10-20T10:00:00.000Z	26 \| good	1.817 \| good	6.313 \| good	27.546 \| good	0.201 \| good	5.359 \| good	0.112 \| good
2025-10-20T11:00:00.000Z	24 \| good	1.4 \| good	5.335 \| good	26.107 \| good	0.201 \| good	6.777 \| good	0.112 \| good
2025-10-20T12:00:00.000Z	24 \| good	1.634 \| good	6.65 \| good	26.175 \| good	0.271 \| good	7.73 \| good	0.177 \| good
2025-10-20T13:00:00.000Z	24 \| good	1.602 \| good	6.683 \| good	26.175 \| good	0.274 \| good	7.777 \| good	0.188 \| good
2025-10-20T14:00:00.000Z	24 \| good	2.212 \| good	10.029 \| good	26.016 \| good	0.212 \| good	5.752 \| good	0.117 \| good
2025-10-20T15:00:00.000Z	24 \| good	2.308 \| good	9.087 \| good	25.827 \| good	0.282 \| good	3.921 \| good	0.112 \| good
2025-10-20T16:00:00.000Z	26 \| good	2.46 \| good	13.077 \| good	28.343 \| good	0.29 \| good	3.949 \| good	0.117 \| good
2025-10-20T17:00:00.000Z	28 \| good	3.044 \| good	11.671 \| good	29.868 \| good	0.292 \| good	3.755 \| good	0.14 \| good
2025-10-20T18:00:00.000Z	30 \| good	3.475 \| good	13.847 \| good	31.784 \| good	0.268 \| good	3.492 \| good	0.134 \| good
2025-10-20T19:00:00.000Z	29 \| good	3.669 \| good	14.36 \| good	31.164 \| good	0.174 \| good	3.526 \| good	0.134 \| good
2025-10-20T20:00:00.000Z	29 \| good	3.389 \| good	13.335 \| good	31.06 \| good	0.188 \| good	3.583 \| good	0.134 \| good
2025-10-20T21:00:00.000Z	30 \| good	2.961 \| good	11.656 \| good	31.912 \| good	0.119 \| good	3.67 \| good	0.134 \| good
2025-10-20T22:00:00.000Z	30 \| good	3.142 \| good	11.858 \| good	32.257 \| good	0.135 \| good	4.552 \| good	0.134 \| good
2025-10-20T23:00:00.000Z	27 \| good	3.379 \| good	13.018 \| good	29.466 \| good	0.194 \| good	7.093 \| good	0.112 \| good
2025-10-21T00:00:00.000Z	26 \| good	3.859 \| good	14.506 \| good	28.137 \| good	0.192 \| good	8.621 \| good	0.112 \| good
2025-10-21T01:00:00.000Z	24 \| good	4.235 \| good	16.324 \| good	26.232 \| good	0.185 \| good	11.644 \| good	0.121 \| good
2025-10-21T02:00:00.000Z	27 \| good	5.155 \| good	19.958 \| good	20.782 \| good	0.18 \| good	14.739 \| good	0.434 \| good
2025-10-21T03:00:00.000Z	56 \| moderate	11.582 \| good	51.448 \| good	15.376 \| good	1.688 \| good	11.556 \| good	0.185 \| good
2025-10-21T04:00:00.000Z	33 \| good	6.084 \| good	21.808 \| good	10.611 \| good	0.207 \| good	18.922 \| good	0.234 \| good
2025-10-21T05:00:00.000Z	33 \| good	6.388 \| good	22.1 \| good	5.762 \| good	0.265 \| good	19.511 \| good	0.242 \| good
2025-10-21T06:00:00.000Z	38 \| good	7.441 \| good	24.891 \| good	5.477 \| good	0.259 \| good	17.21 \| good	0.381 \| good
2025-10-21T07:00:00.000Z	44 \| good	7.64 \| good	26.268 \| good	5.477 \| good	0.258 \| good	17.265 \| good	0.37 \| good
2025-10-21T08:00:00.000Z	38 \| good	6.935 \| good	22.378 \| good	4.969 \| good	0.341 \| good	15.967 \| good	0.375 \| good
2025-10-21T09:00:00.000Z	38 \| good	6.763 \| good	21.943 \| good	4.705 \| good	0.34 \| good	16.119 \| good	0.317 \| good
2025-10-21T10:00:00.000Z	38 \| good	6.538 \| good	21.152 \| good	2.939 \| good	0.578 \| good	18.034 \| good	0.46 \| good
2025-10-21T11:00:00.000Z	38 \| good	6.736 \| good	22.135 \| good	2.704 \| good	0.789 \| good	17.463 \| good	0.533 \| good
2025-10-21T12:00:00.000Z	38 \| good	7.116 \| good	23.141 \| good	2.762 \| good	1.17 \| good	18.841 \| good	0.571 \| good
2025-10-21T13:00:00.000Z	38 \| good	7.129 \| good	23.246 \| good	2.762 \| good	1.172 \| good	18.365 \| good	0.588 \| good
2025-10-21T14:00:00.000Z	44 \| good	8.478 \| good	29.206 \| good	6.439 \| good	0.521 \| good	19.879 \| good	0.313 \| good
2025-10-21T15:00:00.000Z	44 \| good	7.848 \| good	26.751 \| good	11.485 \| good	0.299 \| good	14.894 \| good	0.219 \| good
2025-10-21T16:00:00.000Z	33 \| good	6.083 \| good	21.469 \| good	19.665 \| good	0.239 \| good	8.031 \| good	0.29 \| good
2025-10-21T17:00:00.000Z	27 \| good	5.413 \| good	19.756 \| good	24.304 \| good	0.354 \| good	5.912 \| good	0.202 \| good
2025-10-21T18:00:00.000Z	27 \| good	4.756 \| good	17.695 \| good	29.138 \| good	0.343 \| good	4.861 \| good	0.181 \| good
2025-10-21T19:00:00.000Z	31 \| good	4.466 \| good	17.189 \| good	34.312 \| good	0.269 \| good	4.795 \| good	0.172 \| good
2025-10-21T20:00:00.000Z	34 \| good	4.543 \| good	18.151 \| good	36.78 \| good	0.349 \| good	4.592 \| good	0.193 \| good
2025-10-21T21:00:00.000Z	34 \| good	4.543 \| good	18.151 \| good	36.78 \| good	0.349 \| good	4.592 \| good	0.193 \| good
2025-10-19T20:00:00.000Z	46 \| good	5.966 \| good	26.183 \| good	49.667 \| good	1.664 \| good	1.927 \| good	0.156 \| good
2025-10-19T21:00:00.000Z	45 \| good	6.507 \| good	28.969 \| good	48.698 \| good	1.444 \| good	2.037 \| good	0.151 \| good
2025-10-19T22:00:00.000Z	41 \| good	5.438 \| good	23.625 \| good	44.112 \| good	1.264 \| good	2.383 \| good	0.146 \| good
2025-10-19T23:00:00.000Z	35 \| good	5.303 \| good	22.893 \| good	38.197 \| good	1.084 \| good	2.73 \| good	0.141 \| good
2025-10-20T00:00:00.000Z	38 \| good	7.316 \| good	32.234 \| good	35.573 \| good	0.905 \| good	3.076 \| good	0.136 \| good
2025-10-20T01:00:00.000Z	38 \| good	6.91 \| good	30.446 \| good	31.404 \| good	0.828 \| good	2.922 \| good	0.129 \| good
2025-10-20T02:00:00.000Z	29 \| good	5.38 \| good	23.29 \| good	31.483 \| good	0.752 \| good	2.767 \| good	0.122 \| good
2025-10-20T03:00:00.000Z	35 \| good	4.885 \| good	21.406 \| good	38.272 \| good	0.676 \| good	2.613 \| good	0.115 \| good
2025-10-20T04:00:00.000Z	35 \| good	5.235 \| good	22.467 \| good	38.379 \| good	0.932 \| good	2.706 \| good	0.12 \| good
2025-10-20T05:00:00.000Z	34 \| good	5.6 \| good	24.656 \| good	37.326 \| good	1.188 \| good	2.799 \| good	0.126 \| good
2025-10-20T06:00:00.000Z	33 \| good	6.445 \| good	28.787 \| good	32.045 \| good	1.444 \| good	2.892 \| good	0.131 \| good
2025-10-20T07:00:00.000Z	27 \| good	5.261 \| good	22.95 \| good	29.101 \| good	1.666 \| good	2.611 \| good	0.127 \| good
2025-10-20T08:00:00.000Z	33 \| good	6.199 \| good	27.1 \| good	27.899 \| good	1.889 \| good	2.33 \| good	0.122 \| good
2025-10-20T09:00:00.000Z	33 \| good	6.213 \| good	27.341 \| good	28.35 \| good	2.111 \| good	2.049 \| good	0.117 \| good
2025-10-20T10:00:00.000Z	33 \| good	5.649 \| good	24.591 \| good	26.841 \| good	1.927 \| good	2.401 \| good	0.119 \| good
2025-10-20T11:00:00.000Z	33 \| good	5.979 \| good	26.454 \| good	25.018 \| good	1.743 \| good	2.752 \| good	0.12 \| good
2025-10-20T12:00:00.000Z	33 \| good	6.082 \| good	26.624 \| good	26.557 \| good	1.56 \| good	3.103 \| good	0.122 \| good
2025-10-20T13:00:00.000Z	38 \| good	7.198 \| good	31.866 \| good	26.178 \| good	1.596 \| good	2.789 \| good	0.124 \| good
2025-10-20T14:00:00.000Z	44 \| good	8.266 \| good	36.312 \| good	29.803 \| good	1.632 \| good	2.474 \| good	0.126 \| good
2025-10-20T15:00:00.000Z	33 \| good	6.088 \| good	26.91 \| good	34.444 \| good	1.669 \| good	2.16 \| good	0.128 \| good
2025-10-20T16:00:00.000Z	34 \| good	6.116 \| good	26.638 \| good	37.078 \| good	1.564 \| good	1.935 \| good	0.127 \| good
2025-10-20T17:00:00.000Z	37 \| good	4.975 \| good	21.342 \| good	39.792 \| good	1.46 \| good	1.71 \| good	0.125 \| good
2025-10-20T18:00:00.000Z	38 \| good	3.745 \| good	16.443 \| good	41.016 \| good	1.355 \| good	1.485 \| good	0.124 \| good
2025-10-20T19:00:00.000Z	37 \| good	4.433 \| good	19.436 \| good	40.191 \| good	1.405 \| good	1.706 \| good	0.125 \| good
2025-10-20T20:00:00.000Z	37 \| good	4.512 \| good	19.583 \| good	40.261 \| good	1.455 \| good	1.927 \| good	0.126 \| good
2025-10-20T21:00:00.000Z	37 \| good	5.431 \| good	23.398 \| good	39.68 \| good	1.504 \| good	2.148 \| good	0.127 \| good
2025-10-20T22:00:00.000Z	29 \| good	5.061 \| good	21.763 \| good	31.145 \| good	1.577 \| good	3.982 \| good	0.141 \| good
2025-10-20T23:00:00.000Z	44 \| good	8.361 \| good	36.812 \| good	22.157 \| good	1.65 \| good	5.815 \| good	0.154 \| good
2025-10-21T00:00:00.000Z	49 \| good	9.467 \| good	42.342 \| good	14.763 \| good	1.722 \| good	7.648 \| good	0.168 \| good
2025-10-21T01:00:00.000Z	54 \| moderate	10.865 \| good	48.293 \| good	10.677 \| good	1.743 \| good	8.058 \| good	0.171 \| good
2025-10-21T02:00:00.000Z	54 \| moderate	10.769 \| good	47.723 \| good	11.664 \| good	1.765 \| good	8.467 \| good	0.174 \| good
2025-10-21T03:00:00.000Z	54 \| moderate	10.927 \| good	48.433 \| good	14.027 \| good	1.786 \| good	8.877 \| good	0.178 \| good
2025-10-21T04:00:00.000Z	52 \| moderate	9.7 \| good	43.109 \| good	10.819 \| good	1.807 \| good	9.144 \| good	0.18 \| good
2025-10-21T05:00:00.000Z	52 \| moderate	9.627 \| good	42.62 \| good	9.286 \| good	1.827 \| good	9.41 \| good	0.181 \| good
2025-10-21T06:00:00.000Z	52 \| moderate	10.403 \| good	45.97 \| good	6.476 \| good	1.848 \| good	9.677 \| good	0.183 \| good
2025-10-21T07:00:00.000Z	56 \| moderate	12.374 \| fine	55.218 \| fine	4.325 \| good	1.962 \| good	9.819 \| good	0.183 \| good
2025-10-21T08:00:00.000Z	58 \| moderate	13.497 \| fine	60.906 \| fine	3.682 \| good	2.075 \| good	9.961 \| good	0.182 \| good
2025-10-21T09:00:00.000Z	58 \| moderate	12.754 \| fine	57.126 \| fine	2.488 \| good	2.189 \| good	10.103 \| good	0.182 \| good
2025-10-21T10:00:00.000Z	60 \| moderate	13.756 \| fine	61.955 \| fine	3.663 \| good	2.389 \| good	11.503 \| good	0.198 \| good
2025-10-21T11:00:00.000Z	62 \| moderate	15.489 \| fine	69.57 \| fine	1.946 \| good	2.589 \| good	12.902 \| good	0.213 \| good
2025-10-21T12:00:00.000Z	67 \| moderate	17.588 \| fine	78.064 \| fine	2.56 \| good	2.79 \| good	14.302 \| good	0.229 \| good
2025-10-21T13:00:00.000Z	66 \| moderate	17.094 \| fine	75.764 \| fine	11.655 \| good	3.104 \| good	11.643 \| good	0.213 \| good
2025-10-21T14:00:00.000Z	52 \| moderate	10.288 \| good	45.854 \| good	21.859 \| good	3.419 \| good	8.984 \| good	0.197 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.029 \| good	31.347 \| good	28.513 \| good	3.734 \| good	6.326 \| good	0.182 \| good
2025-10-21T16:00:00.000Z	38 \| good	7.191 \| good	31.758 \| good	35.161 \| good	3.332 \| good	5.004 \| good	0.171 \| good
2025-10-21T17:00:00.000Z	38 \| good	6.683 \| good	29.506 \| good	38.951 \| good	2.931 \| good	3.682 \| good	0.16 \| good
2025-10-21T18:00:00.000Z	39 \| good	6.45 \| good	28.381 \| good	42.377 \| good	2.53 \| good	2.361 \| good	0.149 \| good
2025-10-21T19:00:00.000Z	42 \| good	6.736 \| good	29.714 \| good	45.373 \| good	2.426 \| good	2.524 \| good	0.15 \| good

White Marsh

Get reliable air quality data to drive your business

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

0.19ppm

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

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Frequently asked questions

How often is air quality information updated for White Marsh, Maryland?

The air quality information for White Marsh, Maryland is updated every hour for accuracy.

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

In the past 24 hours, the air quality in White Marsh, Maryland was at its worst at 03:00:00 on 2025-10-21.

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

In the last 24 hours, the best air quality in White Marsh, Maryland was observed at 01:00:00 on 2025-10-21.

What is the AQI in White Marsh, Maryland right now?

As of now, the AQI in White Marsh, Maryland is 34, indicating Good conditions.

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

White Marsh, Maryland air has the highest levels of O3.

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

Poor air quality in White Marsh, Maryland means it's advisable to stay indoors and wear a mask for your protection.

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

PM_2.5 levels in White Marsh, Maryland are currently 4.543 μg/m³.

What is the PM₁₀ level in White Marsh, Maryland at the moment?

The PM₁₀ concentration in White Marsh, Maryland is 18.151 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in White Marsh, Maryland is 0.193 ppm.

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

Currently, White Marsh, Maryland has a sulfur dioxide (SO₂) concentration of 0.349 ppb.

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

The current ozone (O₃) level in White Marsh, Maryland at the moment is 36.78 ppm.

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

Nitrogen dioxide (NO₂) level in White Marsh, Maryland at the moment is 4.592 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T22:00:00.000Z	44 \| good	8.275 \| good	27.933 \| good	40.569 \| good	0.269 \| good	4.227 \| good	0.127 \| good
2025-10-19T23:00:00.000Z	44 \| good	7.821 \| good	26.996 \| good	39.273 \| good	0.358 \| good	5.348 \| good	0.127 \| good
2025-10-20T00:00:00.000Z	38 \| good	6.55 \| good	23.311 \| good	40.268 \| good	0.293 \| good	4.508 \| good	0.127 \| good
2025-10-20T01:00:00.000Z	35 \| good	5.851 \| good	20.041 \| good	38.282 \| good	0.278 \| good	5.609 \| good	0.195 \| good
2025-10-20T02:00:00.000Z	35 \| good	5.629 \| good	20.046 \| good	38.162 \| good	0.283 \| good	4.495 \| good	0.132 \| good
2025-10-20T03:00:00.000Z	34 \| good	5.494 \| good	20.327 \| good	37.306 \| good	0.278 \| good	4.678 \| good	0.112 \| good
2025-10-20T04:00:00.000Z	37 \| good	4.625 \| good	17.228 \| good	39.827 \| good	0.262 \| good	3.561 \| good	0.112 \| good
2025-10-20T05:00:00.000Z	34 \| good	3.743 \| good	13.814 \| good	37.243 \| good	0.205 \| good	4.175 \| good	0.112 \| good
2025-10-20T06:00:00.000Z	31 \| good	3.296 \| good	11.435 \| good	34.415 \| good	0.26 \| good	4.299 \| good	0.112 \| good
2025-10-20T07:00:00.000Z	31 \| good	3.206 \| good	11.117 \| good	34.415 \| good	0.267 \| good	4.276 \| good	0.112 \| good
2025-10-20T08:00:00.000Z	29 \| good	2.988 \| good	10.646 \| good	31.476 \| good	0.268 \| good	5.781 \| good	0.112 \| good
2025-10-20T09:00:00.000Z	25 \| good	2.564 \| good	9.162 \| good	27.038 \| good	0.201 \| good	6.565 \| good	0.117 \| good
2025-10-20T10:00:00.000Z	26 \| good	1.817 \| good	6.313 \| good	27.546 \| good	0.201 \| good	5.359 \| good	0.112 \| good
2025-10-20T11:00:00.000Z	24 \| good	1.4 \| good	5.335 \| good	26.107 \| good	0.201 \| good	6.777 \| good	0.112 \| good
2025-10-20T12:00:00.000Z	24 \| good	1.634 \| good	6.65 \| good	26.175 \| good	0.271 \| good	7.73 \| good	0.177 \| good
2025-10-20T13:00:00.000Z	24 \| good	1.602 \| good	6.683 \| good	26.175 \| good	0.274 \| good	7.777 \| good	0.188 \| good
2025-10-20T14:00:00.000Z	24 \| good	2.212 \| good	10.029 \| good	26.016 \| good	0.212 \| good	5.752 \| good	0.117 \| good
2025-10-20T15:00:00.000Z	24 \| good	2.308 \| good	9.087 \| good	25.827 \| good	0.282 \| good	3.921 \| good	0.112 \| good
2025-10-20T16:00:00.000Z	26 \| good	2.46 \| good	13.077 \| good	28.343 \| good	0.29 \| good	3.949 \| good	0.117 \| good
2025-10-20T17:00:00.000Z	28 \| good	3.044 \| good	11.671 \| good	29.868 \| good	0.292 \| good	3.755 \| good	0.14 \| good
2025-10-20T18:00:00.000Z	30 \| good	3.475 \| good	13.847 \| good	31.784 \| good	0.268 \| good	3.492 \| good	0.134 \| good
2025-10-20T19:00:00.000Z	29 \| good	3.669 \| good	14.36 \| good	31.164 \| good	0.174 \| good	3.526 \| good	0.134 \| good
2025-10-20T20:00:00.000Z	29 \| good	3.389 \| good	13.335 \| good	31.06 \| good	0.188 \| good	3.583 \| good	0.134 \| good
2025-10-20T21:00:00.000Z	30 \| good	2.961 \| good	11.656 \| good	31.912 \| good	0.119 \| good	3.67 \| good	0.134 \| good
2025-10-20T22:00:00.000Z	30 \| good	3.142 \| good	11.858 \| good	32.257 \| good	0.135 \| good	4.552 \| good	0.134 \| good
2025-10-20T23:00:00.000Z	27 \| good	3.379 \| good	13.018 \| good	29.466 \| good	0.194 \| good	7.093 \| good	0.112 \| good
2025-10-21T00:00:00.000Z	26 \| good	3.859 \| good	14.506 \| good	28.137 \| good	0.192 \| good	8.621 \| good	0.112 \| good
2025-10-21T01:00:00.000Z	24 \| good	4.235 \| good	16.324 \| good	26.232 \| good	0.185 \| good	11.644 \| good	0.121 \| good
2025-10-21T02:00:00.000Z	27 \| good	5.155 \| good	19.958 \| good	20.782 \| good	0.18 \| good	14.739 \| good	0.434 \| good
2025-10-21T03:00:00.000Z	56 \| moderate	11.582 \| good	51.448 \| good	15.376 \| good	1.688 \| good	11.556 \| good	0.185 \| good
2025-10-21T04:00:00.000Z	33 \| good	6.084 \| good	21.808 \| good	10.611 \| good	0.207 \| good	18.922 \| good	0.234 \| good
2025-10-21T05:00:00.000Z	33 \| good	6.388 \| good	22.1 \| good	5.762 \| good	0.265 \| good	19.511 \| good	0.242 \| good
2025-10-21T06:00:00.000Z	38 \| good	7.441 \| good	24.891 \| good	5.477 \| good	0.259 \| good	17.21 \| good	0.381 \| good
2025-10-21T07:00:00.000Z	44 \| good	7.64 \| good	26.268 \| good	5.477 \| good	0.258 \| good	17.265 \| good	0.37 \| good
2025-10-21T08:00:00.000Z	38 \| good	6.935 \| good	22.378 \| good	4.969 \| good	0.341 \| good	15.967 \| good	0.375 \| good
2025-10-21T09:00:00.000Z	38 \| good	6.763 \| good	21.943 \| good	4.705 \| good	0.34 \| good	16.119 \| good	0.317 \| good
2025-10-21T10:00:00.000Z	38 \| good	6.538 \| good	21.152 \| good	2.939 \| good	0.578 \| good	18.034 \| good	0.46 \| good
2025-10-21T11:00:00.000Z	38 \| good	6.736 \| good	22.135 \| good	2.704 \| good	0.789 \| good	17.463 \| good	0.533 \| good
2025-10-21T12:00:00.000Z	38 \| good	7.116 \| good	23.141 \| good	2.762 \| good	1.17 \| good	18.841 \| good	0.571 \| good
2025-10-21T13:00:00.000Z	38 \| good	7.129 \| good	23.246 \| good	2.762 \| good	1.172 \| good	18.365 \| good	0.588 \| good
2025-10-21T14:00:00.000Z	44 \| good	8.478 \| good	29.206 \| good	6.439 \| good	0.521 \| good	19.879 \| good	0.313 \| good
2025-10-21T15:00:00.000Z	44 \| good	7.848 \| good	26.751 \| good	11.485 \| good	0.299 \| good	14.894 \| good	0.219 \| good
2025-10-21T16:00:00.000Z	33 \| good	6.083 \| good	21.469 \| good	19.665 \| good	0.239 \| good	8.031 \| good	0.29 \| good
2025-10-21T17:00:00.000Z	27 \| good	5.413 \| good	19.756 \| good	24.304 \| good	0.354 \| good	5.912 \| good	0.202 \| good
2025-10-21T18:00:00.000Z	27 \| good	4.756 \| good	17.695 \| good	29.138 \| good	0.343 \| good	4.861 \| good	0.181 \| good
2025-10-21T19:00:00.000Z	31 \| good	4.466 \| good	17.189 \| good	34.312 \| good	0.269 \| good	4.795 \| good	0.172 \| good
2025-10-21T20:00:00.000Z	34 \| good	4.543 \| good	18.151 \| good	36.78 \| good	0.349 \| good	4.592 \| good	0.193 \| good
2025-10-21T21:00:00.000Z	34 \| good	4.543 \| good	18.151 \| good	36.78 \| good	0.349 \| good	4.592 \| good	0.193 \| good
2025-10-19T20:00:00.000Z	46 \| good	5.966 \| good	26.183 \| good	49.667 \| good	1.664 \| good	1.927 \| good	0.156 \| good
2025-10-19T21:00:00.000Z	45 \| good	6.507 \| good	28.969 \| good	48.698 \| good	1.444 \| good	2.037 \| good	0.151 \| good
2025-10-19T22:00:00.000Z	41 \| good	5.438 \| good	23.625 \| good	44.112 \| good	1.264 \| good	2.383 \| good	0.146 \| good
2025-10-19T23:00:00.000Z	35 \| good	5.303 \| good	22.893 \| good	38.197 \| good	1.084 \| good	2.73 \| good	0.141 \| good
2025-10-20T00:00:00.000Z	38 \| good	7.316 \| good	32.234 \| good	35.573 \| good	0.905 \| good	3.076 \| good	0.136 \| good
2025-10-20T01:00:00.000Z	38 \| good	6.91 \| good	30.446 \| good	31.404 \| good	0.828 \| good	2.922 \| good	0.129 \| good
2025-10-20T02:00:00.000Z	29 \| good	5.38 \| good	23.29 \| good	31.483 \| good	0.752 \| good	2.767 \| good	0.122 \| good
2025-10-20T03:00:00.000Z	35 \| good	4.885 \| good	21.406 \| good	38.272 \| good	0.676 \| good	2.613 \| good	0.115 \| good
2025-10-20T04:00:00.000Z	35 \| good	5.235 \| good	22.467 \| good	38.379 \| good	0.932 \| good	2.706 \| good	0.12 \| good
2025-10-20T05:00:00.000Z	34 \| good	5.6 \| good	24.656 \| good	37.326 \| good	1.188 \| good	2.799 \| good	0.126 \| good
2025-10-20T06:00:00.000Z	33 \| good	6.445 \| good	28.787 \| good	32.045 \| good	1.444 \| good	2.892 \| good	0.131 \| good
2025-10-20T07:00:00.000Z	27 \| good	5.261 \| good	22.95 \| good	29.101 \| good	1.666 \| good	2.611 \| good	0.127 \| good
2025-10-20T08:00:00.000Z	33 \| good	6.199 \| good	27.1 \| good	27.899 \| good	1.889 \| good	2.33 \| good	0.122 \| good
2025-10-20T09:00:00.000Z	33 \| good	6.213 \| good	27.341 \| good	28.35 \| good	2.111 \| good	2.049 \| good	0.117 \| good
2025-10-20T10:00:00.000Z	33 \| good	5.649 \| good	24.591 \| good	26.841 \| good	1.927 \| good	2.401 \| good	0.119 \| good
2025-10-20T11:00:00.000Z	33 \| good	5.979 \| good	26.454 \| good	25.018 \| good	1.743 \| good	2.752 \| good	0.12 \| good
2025-10-20T12:00:00.000Z	33 \| good	6.082 \| good	26.624 \| good	26.557 \| good	1.56 \| good	3.103 \| good	0.122 \| good
2025-10-20T13:00:00.000Z	38 \| good	7.198 \| good	31.866 \| good	26.178 \| good	1.596 \| good	2.789 \| good	0.124 \| good
2025-10-20T14:00:00.000Z	44 \| good	8.266 \| good	36.312 \| good	29.803 \| good	1.632 \| good	2.474 \| good	0.126 \| good
2025-10-20T15:00:00.000Z	33 \| good	6.088 \| good	26.91 \| good	34.444 \| good	1.669 \| good	2.16 \| good	0.128 \| good
2025-10-20T16:00:00.000Z	34 \| good	6.116 \| good	26.638 \| good	37.078 \| good	1.564 \| good	1.935 \| good	0.127 \| good
2025-10-20T17:00:00.000Z	37 \| good	4.975 \| good	21.342 \| good	39.792 \| good	1.46 \| good	1.71 \| good	0.125 \| good
2025-10-20T18:00:00.000Z	38 \| good	3.745 \| good	16.443 \| good	41.016 \| good	1.355 \| good	1.485 \| good	0.124 \| good
2025-10-20T19:00:00.000Z	37 \| good	4.433 \| good	19.436 \| good	40.191 \| good	1.405 \| good	1.706 \| good	0.125 \| good
2025-10-20T20:00:00.000Z	37 \| good	4.512 \| good	19.583 \| good	40.261 \| good	1.455 \| good	1.927 \| good	0.126 \| good
2025-10-20T21:00:00.000Z	37 \| good	5.431 \| good	23.398 \| good	39.68 \| good	1.504 \| good	2.148 \| good	0.127 \| good
2025-10-20T22:00:00.000Z	29 \| good	5.061 \| good	21.763 \| good	31.145 \| good	1.577 \| good	3.982 \| good	0.141 \| good
2025-10-20T23:00:00.000Z	44 \| good	8.361 \| good	36.812 \| good	22.157 \| good	1.65 \| good	5.815 \| good	0.154 \| good
2025-10-21T00:00:00.000Z	49 \| good	9.467 \| good	42.342 \| good	14.763 \| good	1.722 \| good	7.648 \| good	0.168 \| good
2025-10-21T01:00:00.000Z	54 \| moderate	10.865 \| good	48.293 \| good	10.677 \| good	1.743 \| good	8.058 \| good	0.171 \| good
2025-10-21T02:00:00.000Z	54 \| moderate	10.769 \| good	47.723 \| good	11.664 \| good	1.765 \| good	8.467 \| good	0.174 \| good
2025-10-21T03:00:00.000Z	54 \| moderate	10.927 \| good	48.433 \| good	14.027 \| good	1.786 \| good	8.877 \| good	0.178 \| good
2025-10-21T04:00:00.000Z	52 \| moderate	9.7 \| good	43.109 \| good	10.819 \| good	1.807 \| good	9.144 \| good	0.18 \| good
2025-10-21T05:00:00.000Z	52 \| moderate	9.627 \| good	42.62 \| good	9.286 \| good	1.827 \| good	9.41 \| good	0.181 \| good
2025-10-21T06:00:00.000Z	52 \| moderate	10.403 \| good	45.97 \| good	6.476 \| good	1.848 \| good	9.677 \| good	0.183 \| good
2025-10-21T07:00:00.000Z	56 \| moderate	12.374 \| fine	55.218 \| fine	4.325 \| good	1.962 \| good	9.819 \| good	0.183 \| good
2025-10-21T08:00:00.000Z	58 \| moderate	13.497 \| fine	60.906 \| fine	3.682 \| good	2.075 \| good	9.961 \| good	0.182 \| good
2025-10-21T09:00:00.000Z	58 \| moderate	12.754 \| fine	57.126 \| fine	2.488 \| good	2.189 \| good	10.103 \| good	0.182 \| good
2025-10-21T10:00:00.000Z	60 \| moderate	13.756 \| fine	61.955 \| fine	3.663 \| good	2.389 \| good	11.503 \| good	0.198 \| good
2025-10-21T11:00:00.000Z	62 \| moderate	15.489 \| fine	69.57 \| fine	1.946 \| good	2.589 \| good	12.902 \| good	0.213 \| good
2025-10-21T12:00:00.000Z	67 \| moderate	17.588 \| fine	78.064 \| fine	2.56 \| good	2.79 \| good	14.302 \| good	0.229 \| good
2025-10-21T13:00:00.000Z	66 \| moderate	17.094 \| fine	75.764 \| fine	11.655 \| good	3.104 \| good	11.643 \| good	0.213 \| good
2025-10-21T14:00:00.000Z	52 \| moderate	10.288 \| good	45.854 \| good	21.859 \| good	3.419 \| good	8.984 \| good	0.197 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.029 \| good	31.347 \| good	28.513 \| good	3.734 \| good	6.326 \| good	0.182 \| good
2025-10-21T16:00:00.000Z	38 \| good	7.191 \| good	31.758 \| good	35.161 \| good	3.332 \| good	5.004 \| good	0.171 \| good
2025-10-21T17:00:00.000Z	38 \| good	6.683 \| good	29.506 \| good	38.951 \| good	2.931 \| good	3.682 \| good	0.16 \| good
2025-10-21T18:00:00.000Z	39 \| good	6.45 \| good	28.381 \| good	42.377 \| good	2.53 \| good	2.361 \| good	0.149 \| good
2025-10-21T19:00:00.000Z	42 \| good	6.736 \| good	29.714 \| good	45.373 \| good	2.426 \| good	2.524 \| good	0.15 \| good

Live air quality index in White Marsh, Maryland today

Major air pollutants in White Marsh, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Perry Hall, Maryland

Honeygo, Maryland

Rossville, Maryland

Middle River, Maryland

Overlea, Maryland

Carney, Maryland

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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