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

The PM10 concentration in Severn, Maryland is 20.503 μg/m3 at the moment.

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

Currently, Severn, Maryland has a sulfur dioxide (SO2) concentration of 0.308 ppb.

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

The current ozone (O3) level in Severn, Maryland at the moment is 52.253 ppm.

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

Nitrogen dioxide (NO2) level in Severn, Maryland at the moment is 2.428 ppb.

Live air quality index in Severn, Maryland today

Q: What is the PM2.5 level in Severn, Maryland at the moment?

PM2.5 levels in Severn, Maryland are currently 4.64 μg/m3.

Stay updated with real-time air quality in Severn, 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

Severn, Maryland

Last updated: ... (Local time)

Major air pollutants in Severn, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.64 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.50 μg/m³

155

255

425

605+

Ozone (O₃)

52.25 ppb

201

201+

Sulfur Dioxide (SO₂)

0.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.43 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Severn, Maryland

Get Live Pollen Counts

Severn, Maryland

Scroll To Air Quality Map

Track live Severn, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	38 \| good	6.78 \| good	28.715 \| good	38.527 \| good	0.47 \| good	3.826 \| good	0.137 \| good
2026-07-22T00:00:00.000Z	33 \| good	5.737 \| good	21.96 \| good	31.278 \| good	0.413 \| good	3.818 \| good	0.195 \| good
2026-07-22T01:00:00.000Z	33 \| good	5.615 \| good	25.946 \| good	28.741 \| good	0.459 \| good	5.601 \| good	0.195 \| good
2026-07-22T02:00:00.000Z	27 \| good	5.279 \| good	23.856 \| good	29.374 \| good	0.468 \| good	5.94 \| good	0.205 \| good
2026-07-22T03:00:00.000Z	28 \| good	3.845 \| good	19.013 \| good	29.563 \| good	0.518 \| good	6.042 \| good	0.205 \| good
2026-07-22T04:00:00.000Z	25 \| good	3.674 \| good	15.731 \| good	26.623 \| good	0.479 \| good	6.782 \| good	0.228 \| good
2026-07-22T05:00:00.000Z	22 \| good	3.3 \| good	20.441 \| good	24.49 \| good	0.495 \| good	6.827 \| good	0.157 \| good
2026-07-22T06:00:00.000Z	23 \| good	2.96 \| good	18.702 \| good	25.35 \| good	0.427 \| good	6.059 \| good	0.186 \| good
2026-07-22T07:00:00.000Z	25 \| good	2.904 \| good	19.046 \| good	27.426 \| good	0.425 \| good	6.28 \| good	0.176 \| good
2026-07-22T08:00:00.000Z	21 \| good	2.013 \| good	9.236 \| good	22.508 \| good	0.458 \| good	5.771 \| good	0.176 \| good
2026-07-22T09:00:00.000Z	19 \| good	3.015 \| good	17.376 \| good	21.061 \| good	0.461 \| good	6.183 \| good	0.218 \| good
2026-07-22T10:00:00.000Z	17 \| good	3.038 \| good	14.152 \| good	18.072 \| good	0.427 \| good	9.216 \| good	0.228 \| good
2026-07-22T11:00:00.000Z	16 \| good	2.598 \| good	11.506 \| good	15.712 \| good	0.437 \| good	10.434 \| good	0.228 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.819 \| good	19.924 \| good	15.704 \| good	0.467 \| good	8.019 \| good	0.237 \| good
2026-07-22T13:00:00.000Z	22 \| good	3.637 \| good	17.61 \| good	16.844 \| good	0.464 \| good	9.015 \| good	0.237 \| good
2026-07-22T14:00:00.000Z	33 \| good	5.674 \| good	22.448 \| good	25.916 \| good	0.511 \| good	4.828 \| good	0.236 \| good
2026-07-22T15:00:00.000Z	38 \| good	7.004 \| good	30.033 \| good	33.319 \| good	0.503 \| good	4.548 \| good	0.236 \| good
2026-07-22T16:00:00.000Z	49 \| good	9.361 \| good	38.308 \| good	40.319 \| good	0.426 \| good	3.651 \| good	0.227 \| good
2026-07-22T17:00:00.000Z	49 \| good	9.162 \| good	36.127 \| good	42.94 \| good	0.398 \| good	2.657 \| good	0.218 \| good
2026-07-22T18:00:00.000Z	49 \| good	8.983 \| good	37.383 \| good	46.225 \| good	0.408 \| good	2.504 \| good	0.185 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.481 \| good	44.702 \| good	47.366 \| good	0.396 \| good	2.582 \| good	0.185 \| good
2026-07-22T20:00:00.000Z	49 \| good	8.916 \| good	39.492 \| good	48.641 \| good	0.397 \| good	2.254 \| good	0.178 \| good
2026-07-22T21:00:00.000Z	49 \| good	8.835 \| good	38.041 \| good	48.7 \| good	0.383 \| good	2.022 \| good	0.185 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.642 \| good	37.249 \| good	49.508 \| good	0.39 \| good	2.025 \| good	0.185 \| good
2026-07-22T23:00:00.000Z	44 \| good	8.434 \| good	32 \| good	47.287 \| good	0.459 \| good	1.766 \| good	0.218 \| good
2026-07-23T00:00:00.000Z	49 \| good	9.047 \| good	35.064 \| good	45.914 \| good	0.405 \| good	3.261 \| good	0.218 \| good
2026-07-23T01:00:00.000Z	49 \| good	8.504 \| good	34.725 \| good	42.413 \| good	0.396 \| good	4.042 \| good	0.218 \| good
2026-07-23T02:00:00.000Z	49 \| good	8.901 \| good	39.186 \| good	39.937 \| good	0.33 \| good	2.619 \| good	0.218 \| good
2026-07-23T03:00:00.000Z	22 \| good	0.637 \| good	2.035 \| good	24.165 \| good	0.569 \| good	7.708 \| good	0.227 \| good
2026-07-23T04:00:00.000Z	44 \| good	8.039 \| good	35.139 \| good	37.195 \| good	0.344 \| good	2.326 \| good	0.178 \| good
2026-07-23T05:00:00.000Z	38 \| good	7.397 \| good	33.388 \| good	35.632 \| good	0.342 \| good	2.304 \| good	0.17 \| good
2026-07-23T06:00:00.000Z	33 \| good	6.221 \| good	27.302 \| good	32.518 \| good	0.346 \| good	2.479 \| good	0.137 \| good
2026-07-23T07:00:00.000Z	38 \| good	7.002 \| good	29.988 \| good	32.411 \| good	0.348 \| good	2.565 \| good	0.128 \| good
2026-07-23T08:00:00.000Z	33 \| good	5.747 \| good	24.743 \| good	29.051 \| good	0.393 \| good	3.408 \| good	0.128 \| good
2026-07-23T09:00:00.000Z	27 \| good	5.384 \| good	23.539 \| good	27.777 \| good	0.364 \| good	3.832 \| good	0.118 \| good
2026-07-23T10:00:00.000Z	27 \| good	4.584 \| good	20.311 \| good	25.548 \| good	0.364 \| good	4.941 \| good	0.128 \| good
2026-07-23T11:00:00.000Z	23 \| good	4.485 \| good	17.095 \| good	25.17 \| good	0.449 \| good	4.782 \| good	0.128 \| good
2026-07-23T12:00:00.000Z	23 \| good	4.48 \| good	18.976 \| good	24.54 \| good	0.437 \| good	4.704 \| good	0.128 \| good
2026-07-23T13:00:00.000Z	22 \| good	4.171 \| good	16.231 \| good	24.359 \| good	0.448 \| good	4.832 \| good	0.128 \| good
2026-07-23T14:00:00.000Z	27 \| good	3.234 \| good	14.661 \| good	29.118 \| good	0.341 \| good	3.438 \| good	0.128 \| good
2026-07-23T15:00:00.000Z	31 \| good	3.5 \| good	16.046 \| good	34.345 \| good	0.347 \| good	2.994 \| good	0.128 \| good
2026-07-23T16:00:00.000Z	35 \| good	3.537 \| good	14.206 \| good	38.039 \| good	0.355 \| good	2.497 \| good	0.128 \| good
2026-07-23T17:00:00.000Z	40 \| good	3.522 \| good	15.149 \| good	42.506 \| good	0.421 \| good	2.125 \| good	0.128 \| good
2026-07-23T18:00:00.000Z	42 \| good	3.979 \| good	17.348 \| good	45.204 \| good	0.354 \| good	2.266 \| good	0.128 \| good
2026-07-23T19:00:00.000Z	44 \| good	4.184 \| good	14.37 \| good	47.874 \| good	0.354 \| good	1.827 \| good	0.128 \| good
2026-07-23T20:00:00.000Z	46 \| good	4.925 \| good	21.331 \| good	49.8 \| good	0.297 \| good	1.99 \| good	0.128 \| good
2026-07-23T21:00:00.000Z	48 \| good	4.64 \| good	20.503 \| good	52.253 \| good	0.308 \| good	2.428 \| good	0.128 \| good
2026-07-23T22:00:00.000Z	49 \| good	3.861 \| good	17.159 \| good	53.062 \| good	0.351 \| good	2.37 \| good	0.137 \| good
2026-07-23T22:00:00.000Z	48 \| good	4.64 \| good	20.503 \| good	52.253 \| good	0.308 \| good	2.428 \| good	0.128 \| good
2026-07-23T23:00:00.000Z	41 \| good	1.031 \| good	4.017 \| good	44.319 \| good	0.545 \| good	1.921 \| good	0.141 \| good
2026-07-24T00:00:00.000Z	30 \| good	1.251 \| good	4.979 \| good	31.542 \| good	0.607 \| good	4.406 \| good	0.16 \| good
2026-07-24T01:00:00.000Z	25 \| good	1.604 \| good	6.97 \| good	26.52 \| good	0.708 \| good	8.958 \| good	0.191 \| good
2026-07-24T02:00:00.000Z	19 \| good	2.33 \| good	9.978 \| good	20.439 \| good	0.81 \| good	11.646 \| good	0.207 \| good
2026-07-24T03:00:00.000Z	16 \| good	2.48 \| good	10.263 \| good	16.72 \| good	0.876 \| good	15.262 \| good	0.228 \| good
2026-07-24T04:00:00.000Z	19 \| good	2.992 \| good	12.227 \| good	14.357 \| good	0.897 \| good	19.506 \| good	0.257 \| good
2026-07-24T05:00:00.000Z	21 \| good	3.136 \| good	13.981 \| good	13.27 \| good	0.874 \| good	22.059 \| good	0.279 \| good
2026-07-24T06:00:00.000Z	22 \| good	3.05 \| good	12.166 \| good	10.376 \| good	0.831 \| good	22.883 \| good	0.288 \| good
2026-07-24T07:00:00.000Z	27 \| good	4.662 \| good	20.084 \| good	9.949 \| good	0.762 \| good	22.455 \| good	0.287 \| good
2026-07-24T08:00:00.000Z	27 \| good	5.424 \| good	22.989 \| good	9.462 \| good	0.713 \| good	21.382 \| good	0.28 \| good
2026-07-24T09:00:00.000Z	33 \| good	6.228 \| good	27.836 \| good	9.714 \| good	0.688 \| good	19.714 \| good	0.269 \| good
2026-07-24T10:00:00.000Z	44 \| good	7.503 \| good	32.9 \| good	8.147 \| good	0.67 \| good	17.661 \| good	0.256 \| good
2026-07-24T11:00:00.000Z	49 \| good	9.077 \| good	40.675 \| good	10.082 \| good	0.66 \| good	14.009 \| good	0.242 \| good
2026-07-24T12:00:00.000Z	52 \| moderate	9.725 \| good	42.856 \| good	18.828 \| good	0.721 \| good	10.723 \| good	0.226 \| good
2026-07-24T13:00:00.000Z	49 \| good	8.935 \| good	38.959 \| good	32.965 \| good	0.818 \| good	5.985 \| good	0.184 \| good
2026-07-24T14:00:00.000Z	44 \| good	7.759 \| good	34.014 \| good	43.55 \| good	0.777 \| good	3.148 \| good	0.164 \| good
2026-07-24T15:00:00.000Z	47 \| good	5.624 \| good	24.187 \| good	50.876 \| good	0.656 \| good	1.659 \| good	0.154 \| good
2026-07-24T16:00:00.000Z	50 \| good	3.597 \| good	15.953 \| good	53.926 \| good	0.566 \| good	1.093 \| good	0.149 \| good
2026-07-24T17:00:00.000Z	48 \| good	1.769 \| good	7.067 \| good	52.046 \| good	0.518 \| good	0.901 \| good	0.147 \| good
2026-07-24T18:00:00.000Z	45 \| good	1.844 \| good	7.988 \| good	49.393 \| good	0.474 \| good	0.848 \| good	0.146 \| good
2026-07-24T19:00:00.000Z	44 \| good	1.967 \| good	7.988 \| good	47.307 \| good	0.439 \| good	0.893 \| good	0.146 \| good
2026-07-24T20:00:00.000Z	44 \| good	0.796 \| good	3.038 \| good	47.821 \| good	0.414 \| good	1.01 \| good	0.145 \| good
2026-07-24T21:00:00.000Z	44 \| good	0.555 \| good	2.056 \| good	46.715 \| good	0.39 \| good	1.234 \| good	0.146 \| good
2026-07-24T22:00:00.000Z	38 \| good	1.009 \| good	4.02 \| good	41.159 \| good	0.369 \| good	1.703 \| good	0.149 \| good
2026-07-24T23:00:00.000Z	33 \| good	1.469 \| good	5.953 \| good	36.192 \| good	0.351 \| good	2.421 \| good	0.154 \| good
2026-07-25T00:00:00.000Z	27 \| good	1.575 \| good	6.06 \| good	29.049 \| good	0.335 \| good	3.037 \| good	0.156 \| good
2026-07-25T01:00:00.000Z	24 \| good	1.356 \| good	5.06 \| good	26.392 \| good	0.314 \| good	3.173 \| good	0.152 \| good
2026-07-25T02:00:00.000Z	24 \| good	0.986 \| good	3.923 \| good	26.043 \| good	0.308 \| good	3.474 \| good	0.149 \| good
2026-07-25T03:00:00.000Z	24 \| good	0.916 \| good	3.855 \| good	26.145 \| good	0.314 \| good	4.162 \| good	0.149 \| good
2026-07-25T04:00:00.000Z	24 \| good	0.875 \| good	3.017 \| good	25.81 \| good	0.322 \| good	4.673 \| good	0.148 \| good
2026-07-25T05:00:00.000Z	22 \| good	0.637 \| good	2.054 \| good	24.136 \| good	0.328 \| good	4.981 \| good	0.148 \| good
2026-07-25T06:00:00.000Z	20 \| good	0.654 \| good	2.112 \| good	21.685 \| good	0.335 \| good	5.33 \| good	0.147 \| good
2026-07-25T07:00:00.000Z	17 \| good	1.241 \| good	4.807 \| good	17.843 \| good	0.348 \| good	6.148 \| good	0.148 \| good
2026-07-25T08:00:00.000Z	15 \| good	0.627 \| good	1.938 \| good	16.488 \| good	0.374 \| good	7.466 \| good	0.152 \| good
2026-07-25T09:00:00.000Z	13 \| good	2.255 \| good	9.038 \| good	13.53 \| good	0.39 \| good	8.469 \| good	0.155 \| good
2026-07-25T10:00:00.000Z	22 \| good	3.529 \| good	16.015 \| good	11.1 \| good	0.42 \| good	8.422 \| good	0.153 \| good
2026-07-25T11:00:00.000Z	22 \| good	4.481 \| good	19.024 \| good	13.543 \| good	0.441 \| good	7.883 \| good	0.153 \| good
2026-07-25T12:00:00.000Z	38 \| good	7.03 \| good	30.943 \| good	19.64 \| good	0.518 \| good	6.034 \| good	0.15 \| good
2026-07-25T13:00:00.000Z	33 \| good	5.757 \| good	25.003 \| good	26.572 \| good	0.51 \| good	3.052 \| good	0.137 \| good
2026-07-25T14:00:00.000Z	31 \| good	3.838 \| good	16.964 \| good	32.857 \| good	0.424 \| good	1.868 \| good	0.134 \| good
2026-07-25T15:00:00.000Z	37 \| good	1.37 \| good	5.111 \| good	40.005 \| good	0.344 \| good	1.15 \| good	0.133 \| good
2026-07-25T16:00:00.000Z	41 \| good	1.168 \| good	4.957 \| good	44.144 \| good	0.29 \| good	0.822 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	43 \| good	1 \| good	4.038 \| good	46.463 \| good	0.255 \| good	0.687 \| good	0.133 \| good
2026-07-25T18:00:00.000Z	45 \| good	1.114 \| good	4.902 \| good	48.874 \| good	0.234 \| good	0.64 \| good	0.133 \| good
2026-07-25T19:00:00.000Z	45 \| good	2.093 \| good	8.108 \| good	49.206 \| good	0.225 \| good	0.655 \| good	0.133 \| good
2026-07-25T20:00:00.000Z	45 \| good	1.423 \| good	6.05 \| good	48.962 \| good	0.224 \| good	0.688 \| good	0.133 \| good
2026-07-25T21:00:00.000Z	45 \| good	1.361 \| good	5.09 \| good	48.557 \| good	0.226 \| good	0.781 \| good	0.134 \| good
2026-07-25T22:00:00.000Z	43 \| good	1.114 \| good	4.182 \| good	45.515 \| good	0.235 \| good	1.007 \| good	0.135 \| good

Severn

Get reliable air quality data to drive your business

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

0.12ppm

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 Severn, Maryland?

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

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

In the past 24 hours, the air quality in Severn, Maryland was at its worst at 02:00:00 on 2026-07-23.

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

In the last 24 hours, the best air quality in Severn, Maryland was observed at 01:00:00 on 2026-07-23.

What is the AQI in Severn, Maryland right now?

As of now, the AQI in Severn, Maryland is 48, indicating Good conditions.

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

Severn, Maryland air has the highest levels of O3.

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

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

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

PM_2.5 levels in Severn, Maryland are currently 4.64 μg/m³.

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

The PM₁₀ concentration in Severn, Maryland is 20.503 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Severn, Maryland is 0.128 ppm.

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

Currently, Severn, Maryland has a sulfur dioxide (SO₂) concentration of 0.308 ppb.

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

The current ozone (O₃) level in Severn, Maryland at the moment is 52.253 ppm.

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

Nitrogen dioxide (NO₂) level in Severn, Maryland at the moment is 2.428 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	38 \| good	6.78 \| good	28.715 \| good	38.527 \| good	0.47 \| good	3.826 \| good	0.137 \| good
2026-07-22T00:00:00.000Z	33 \| good	5.737 \| good	21.96 \| good	31.278 \| good	0.413 \| good	3.818 \| good	0.195 \| good
2026-07-22T01:00:00.000Z	33 \| good	5.615 \| good	25.946 \| good	28.741 \| good	0.459 \| good	5.601 \| good	0.195 \| good
2026-07-22T02:00:00.000Z	27 \| good	5.279 \| good	23.856 \| good	29.374 \| good	0.468 \| good	5.94 \| good	0.205 \| good
2026-07-22T03:00:00.000Z	28 \| good	3.845 \| good	19.013 \| good	29.563 \| good	0.518 \| good	6.042 \| good	0.205 \| good
2026-07-22T04:00:00.000Z	25 \| good	3.674 \| good	15.731 \| good	26.623 \| good	0.479 \| good	6.782 \| good	0.228 \| good
2026-07-22T05:00:00.000Z	22 \| good	3.3 \| good	20.441 \| good	24.49 \| good	0.495 \| good	6.827 \| good	0.157 \| good
2026-07-22T06:00:00.000Z	23 \| good	2.96 \| good	18.702 \| good	25.35 \| good	0.427 \| good	6.059 \| good	0.186 \| good
2026-07-22T07:00:00.000Z	25 \| good	2.904 \| good	19.046 \| good	27.426 \| good	0.425 \| good	6.28 \| good	0.176 \| good
2026-07-22T08:00:00.000Z	21 \| good	2.013 \| good	9.236 \| good	22.508 \| good	0.458 \| good	5.771 \| good	0.176 \| good
2026-07-22T09:00:00.000Z	19 \| good	3.015 \| good	17.376 \| good	21.061 \| good	0.461 \| good	6.183 \| good	0.218 \| good
2026-07-22T10:00:00.000Z	17 \| good	3.038 \| good	14.152 \| good	18.072 \| good	0.427 \| good	9.216 \| good	0.228 \| good
2026-07-22T11:00:00.000Z	16 \| good	2.598 \| good	11.506 \| good	15.712 \| good	0.437 \| good	10.434 \| good	0.228 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.819 \| good	19.924 \| good	15.704 \| good	0.467 \| good	8.019 \| good	0.237 \| good
2026-07-22T13:00:00.000Z	22 \| good	3.637 \| good	17.61 \| good	16.844 \| good	0.464 \| good	9.015 \| good	0.237 \| good
2026-07-22T14:00:00.000Z	33 \| good	5.674 \| good	22.448 \| good	25.916 \| good	0.511 \| good	4.828 \| good	0.236 \| good
2026-07-22T15:00:00.000Z	38 \| good	7.004 \| good	30.033 \| good	33.319 \| good	0.503 \| good	4.548 \| good	0.236 \| good
2026-07-22T16:00:00.000Z	49 \| good	9.361 \| good	38.308 \| good	40.319 \| good	0.426 \| good	3.651 \| good	0.227 \| good
2026-07-22T17:00:00.000Z	49 \| good	9.162 \| good	36.127 \| good	42.94 \| good	0.398 \| good	2.657 \| good	0.218 \| good
2026-07-22T18:00:00.000Z	49 \| good	8.983 \| good	37.383 \| good	46.225 \| good	0.408 \| good	2.504 \| good	0.185 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.481 \| good	44.702 \| good	47.366 \| good	0.396 \| good	2.582 \| good	0.185 \| good
2026-07-22T20:00:00.000Z	49 \| good	8.916 \| good	39.492 \| good	48.641 \| good	0.397 \| good	2.254 \| good	0.178 \| good
2026-07-22T21:00:00.000Z	49 \| good	8.835 \| good	38.041 \| good	48.7 \| good	0.383 \| good	2.022 \| good	0.185 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.642 \| good	37.249 \| good	49.508 \| good	0.39 \| good	2.025 \| good	0.185 \| good
2026-07-22T23:00:00.000Z	44 \| good	8.434 \| good	32 \| good	47.287 \| good	0.459 \| good	1.766 \| good	0.218 \| good
2026-07-23T00:00:00.000Z	49 \| good	9.047 \| good	35.064 \| good	45.914 \| good	0.405 \| good	3.261 \| good	0.218 \| good
2026-07-23T01:00:00.000Z	49 \| good	8.504 \| good	34.725 \| good	42.413 \| good	0.396 \| good	4.042 \| good	0.218 \| good
2026-07-23T02:00:00.000Z	49 \| good	8.901 \| good	39.186 \| good	39.937 \| good	0.33 \| good	2.619 \| good	0.218 \| good
2026-07-23T03:00:00.000Z	22 \| good	0.637 \| good	2.035 \| good	24.165 \| good	0.569 \| good	7.708 \| good	0.227 \| good
2026-07-23T04:00:00.000Z	44 \| good	8.039 \| good	35.139 \| good	37.195 \| good	0.344 \| good	2.326 \| good	0.178 \| good
2026-07-23T05:00:00.000Z	38 \| good	7.397 \| good	33.388 \| good	35.632 \| good	0.342 \| good	2.304 \| good	0.17 \| good
2026-07-23T06:00:00.000Z	33 \| good	6.221 \| good	27.302 \| good	32.518 \| good	0.346 \| good	2.479 \| good	0.137 \| good
2026-07-23T07:00:00.000Z	38 \| good	7.002 \| good	29.988 \| good	32.411 \| good	0.348 \| good	2.565 \| good	0.128 \| good
2026-07-23T08:00:00.000Z	33 \| good	5.747 \| good	24.743 \| good	29.051 \| good	0.393 \| good	3.408 \| good	0.128 \| good
2026-07-23T09:00:00.000Z	27 \| good	5.384 \| good	23.539 \| good	27.777 \| good	0.364 \| good	3.832 \| good	0.118 \| good
2026-07-23T10:00:00.000Z	27 \| good	4.584 \| good	20.311 \| good	25.548 \| good	0.364 \| good	4.941 \| good	0.128 \| good
2026-07-23T11:00:00.000Z	23 \| good	4.485 \| good	17.095 \| good	25.17 \| good	0.449 \| good	4.782 \| good	0.128 \| good
2026-07-23T12:00:00.000Z	23 \| good	4.48 \| good	18.976 \| good	24.54 \| good	0.437 \| good	4.704 \| good	0.128 \| good
2026-07-23T13:00:00.000Z	22 \| good	4.171 \| good	16.231 \| good	24.359 \| good	0.448 \| good	4.832 \| good	0.128 \| good
2026-07-23T14:00:00.000Z	27 \| good	3.234 \| good	14.661 \| good	29.118 \| good	0.341 \| good	3.438 \| good	0.128 \| good
2026-07-23T15:00:00.000Z	31 \| good	3.5 \| good	16.046 \| good	34.345 \| good	0.347 \| good	2.994 \| good	0.128 \| good
2026-07-23T16:00:00.000Z	35 \| good	3.537 \| good	14.206 \| good	38.039 \| good	0.355 \| good	2.497 \| good	0.128 \| good
2026-07-23T17:00:00.000Z	40 \| good	3.522 \| good	15.149 \| good	42.506 \| good	0.421 \| good	2.125 \| good	0.128 \| good
2026-07-23T18:00:00.000Z	42 \| good	3.979 \| good	17.348 \| good	45.204 \| good	0.354 \| good	2.266 \| good	0.128 \| good
2026-07-23T19:00:00.000Z	44 \| good	4.184 \| good	14.37 \| good	47.874 \| good	0.354 \| good	1.827 \| good	0.128 \| good
2026-07-23T20:00:00.000Z	46 \| good	4.925 \| good	21.331 \| good	49.8 \| good	0.297 \| good	1.99 \| good	0.128 \| good
2026-07-23T21:00:00.000Z	48 \| good	4.64 \| good	20.503 \| good	52.253 \| good	0.308 \| good	2.428 \| good	0.128 \| good
2026-07-23T22:00:00.000Z	49 \| good	3.861 \| good	17.159 \| good	53.062 \| good	0.351 \| good	2.37 \| good	0.137 \| good
2026-07-23T22:00:00.000Z	48 \| good	4.64 \| good	20.503 \| good	52.253 \| good	0.308 \| good	2.428 \| good	0.128 \| good
2026-07-23T23:00:00.000Z	41 \| good	1.031 \| good	4.017 \| good	44.319 \| good	0.545 \| good	1.921 \| good	0.141 \| good
2026-07-24T00:00:00.000Z	30 \| good	1.251 \| good	4.979 \| good	31.542 \| good	0.607 \| good	4.406 \| good	0.16 \| good
2026-07-24T01:00:00.000Z	25 \| good	1.604 \| good	6.97 \| good	26.52 \| good	0.708 \| good	8.958 \| good	0.191 \| good
2026-07-24T02:00:00.000Z	19 \| good	2.33 \| good	9.978 \| good	20.439 \| good	0.81 \| good	11.646 \| good	0.207 \| good
2026-07-24T03:00:00.000Z	16 \| good	2.48 \| good	10.263 \| good	16.72 \| good	0.876 \| good	15.262 \| good	0.228 \| good
2026-07-24T04:00:00.000Z	19 \| good	2.992 \| good	12.227 \| good	14.357 \| good	0.897 \| good	19.506 \| good	0.257 \| good
2026-07-24T05:00:00.000Z	21 \| good	3.136 \| good	13.981 \| good	13.27 \| good	0.874 \| good	22.059 \| good	0.279 \| good
2026-07-24T06:00:00.000Z	22 \| good	3.05 \| good	12.166 \| good	10.376 \| good	0.831 \| good	22.883 \| good	0.288 \| good
2026-07-24T07:00:00.000Z	27 \| good	4.662 \| good	20.084 \| good	9.949 \| good	0.762 \| good	22.455 \| good	0.287 \| good
2026-07-24T08:00:00.000Z	27 \| good	5.424 \| good	22.989 \| good	9.462 \| good	0.713 \| good	21.382 \| good	0.28 \| good
2026-07-24T09:00:00.000Z	33 \| good	6.228 \| good	27.836 \| good	9.714 \| good	0.688 \| good	19.714 \| good	0.269 \| good
2026-07-24T10:00:00.000Z	44 \| good	7.503 \| good	32.9 \| good	8.147 \| good	0.67 \| good	17.661 \| good	0.256 \| good
2026-07-24T11:00:00.000Z	49 \| good	9.077 \| good	40.675 \| good	10.082 \| good	0.66 \| good	14.009 \| good	0.242 \| good
2026-07-24T12:00:00.000Z	52 \| moderate	9.725 \| good	42.856 \| good	18.828 \| good	0.721 \| good	10.723 \| good	0.226 \| good
2026-07-24T13:00:00.000Z	49 \| good	8.935 \| good	38.959 \| good	32.965 \| good	0.818 \| good	5.985 \| good	0.184 \| good
2026-07-24T14:00:00.000Z	44 \| good	7.759 \| good	34.014 \| good	43.55 \| good	0.777 \| good	3.148 \| good	0.164 \| good
2026-07-24T15:00:00.000Z	47 \| good	5.624 \| good	24.187 \| good	50.876 \| good	0.656 \| good	1.659 \| good	0.154 \| good
2026-07-24T16:00:00.000Z	50 \| good	3.597 \| good	15.953 \| good	53.926 \| good	0.566 \| good	1.093 \| good	0.149 \| good
2026-07-24T17:00:00.000Z	48 \| good	1.769 \| good	7.067 \| good	52.046 \| good	0.518 \| good	0.901 \| good	0.147 \| good
2026-07-24T18:00:00.000Z	45 \| good	1.844 \| good	7.988 \| good	49.393 \| good	0.474 \| good	0.848 \| good	0.146 \| good
2026-07-24T19:00:00.000Z	44 \| good	1.967 \| good	7.988 \| good	47.307 \| good	0.439 \| good	0.893 \| good	0.146 \| good
2026-07-24T20:00:00.000Z	44 \| good	0.796 \| good	3.038 \| good	47.821 \| good	0.414 \| good	1.01 \| good	0.145 \| good
2026-07-24T21:00:00.000Z	44 \| good	0.555 \| good	2.056 \| good	46.715 \| good	0.39 \| good	1.234 \| good	0.146 \| good
2026-07-24T22:00:00.000Z	38 \| good	1.009 \| good	4.02 \| good	41.159 \| good	0.369 \| good	1.703 \| good	0.149 \| good
2026-07-24T23:00:00.000Z	33 \| good	1.469 \| good	5.953 \| good	36.192 \| good	0.351 \| good	2.421 \| good	0.154 \| good
2026-07-25T00:00:00.000Z	27 \| good	1.575 \| good	6.06 \| good	29.049 \| good	0.335 \| good	3.037 \| good	0.156 \| good
2026-07-25T01:00:00.000Z	24 \| good	1.356 \| good	5.06 \| good	26.392 \| good	0.314 \| good	3.173 \| good	0.152 \| good
2026-07-25T02:00:00.000Z	24 \| good	0.986 \| good	3.923 \| good	26.043 \| good	0.308 \| good	3.474 \| good	0.149 \| good
2026-07-25T03:00:00.000Z	24 \| good	0.916 \| good	3.855 \| good	26.145 \| good	0.314 \| good	4.162 \| good	0.149 \| good
2026-07-25T04:00:00.000Z	24 \| good	0.875 \| good	3.017 \| good	25.81 \| good	0.322 \| good	4.673 \| good	0.148 \| good
2026-07-25T05:00:00.000Z	22 \| good	0.637 \| good	2.054 \| good	24.136 \| good	0.328 \| good	4.981 \| good	0.148 \| good
2026-07-25T06:00:00.000Z	20 \| good	0.654 \| good	2.112 \| good	21.685 \| good	0.335 \| good	5.33 \| good	0.147 \| good
2026-07-25T07:00:00.000Z	17 \| good	1.241 \| good	4.807 \| good	17.843 \| good	0.348 \| good	6.148 \| good	0.148 \| good
2026-07-25T08:00:00.000Z	15 \| good	0.627 \| good	1.938 \| good	16.488 \| good	0.374 \| good	7.466 \| good	0.152 \| good
2026-07-25T09:00:00.000Z	13 \| good	2.255 \| good	9.038 \| good	13.53 \| good	0.39 \| good	8.469 \| good	0.155 \| good
2026-07-25T10:00:00.000Z	22 \| good	3.529 \| good	16.015 \| good	11.1 \| good	0.42 \| good	8.422 \| good	0.153 \| good
2026-07-25T11:00:00.000Z	22 \| good	4.481 \| good	19.024 \| good	13.543 \| good	0.441 \| good	7.883 \| good	0.153 \| good
2026-07-25T12:00:00.000Z	38 \| good	7.03 \| good	30.943 \| good	19.64 \| good	0.518 \| good	6.034 \| good	0.15 \| good
2026-07-25T13:00:00.000Z	33 \| good	5.757 \| good	25.003 \| good	26.572 \| good	0.51 \| good	3.052 \| good	0.137 \| good
2026-07-25T14:00:00.000Z	31 \| good	3.838 \| good	16.964 \| good	32.857 \| good	0.424 \| good	1.868 \| good	0.134 \| good
2026-07-25T15:00:00.000Z	37 \| good	1.37 \| good	5.111 \| good	40.005 \| good	0.344 \| good	1.15 \| good	0.133 \| good
2026-07-25T16:00:00.000Z	41 \| good	1.168 \| good	4.957 \| good	44.144 \| good	0.29 \| good	0.822 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	43 \| good	1 \| good	4.038 \| good	46.463 \| good	0.255 \| good	0.687 \| good	0.133 \| good
2026-07-25T18:00:00.000Z	45 \| good	1.114 \| good	4.902 \| good	48.874 \| good	0.234 \| good	0.64 \| good	0.133 \| good
2026-07-25T19:00:00.000Z	45 \| good	2.093 \| good	8.108 \| good	49.206 \| good	0.225 \| good	0.655 \| good	0.133 \| good
2026-07-25T20:00:00.000Z	45 \| good	1.423 \| good	6.05 \| good	48.962 \| good	0.224 \| good	0.688 \| good	0.133 \| good
2026-07-25T21:00:00.000Z	45 \| good	1.361 \| good	5.09 \| good	48.557 \| good	0.226 \| good	0.781 \| good	0.134 \| good
2026-07-25T22:00:00.000Z	43 \| good	1.114 \| good	4.182 \| good	45.515 \| good	0.235 \| good	1.007 \| good	0.135 \| good

Live air quality index in Severn, Maryland today

Major air pollutants in Severn, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

Fort Meade, Maryland

Odenton, Maryland

Glen Burnie, Maryland

Ferndale, Maryland

Linthicum, Maryland

Elkridge, Maryland

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Frequently asked questions

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

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

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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 Severn, Maryland at the moment?

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

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

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

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