What is the current concentration of PM10 in Langley Park, Maryland?

The current PM10 concentration at Langley Park, Maryland is 25.865 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Langley Park, Maryland?

The current sulfur dioxide (SO2) concentration at Langley Park, Maryland is 0.194 ppb.

What is the current concentration of ozone (O3) in Langley Park, Maryland?

The current ozone (O3) concentration at Langley Park, Maryland is 17.617 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Langley Park, Maryland?

The current nitrogen dioxide (NO2) concentration at Langley Park, Maryland is 8.93 ppb.

Langley Park, Maryland live air quality index now

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

Stay updated with real-time air quality in Langley Park, 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

Langley Park, Maryland

Last updated: ... (Local time)

Major air pollutants in Langley Park, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.87 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.86 μg/m³

155

255

425

605+

Ozone (O₃)

17.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.19 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.93 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Langley Park, Maryland

Get Live Pollen Counts

Langley Park, Maryland

Scroll To Air Quality Map

Track live Langley Park, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T06:00:00.000Z	22 \| good	1.713 \| good	7.081 \| good	24.497 \| good	0.126 \| good	3.113 \| good	0.182 \| good
2025-10-20T07:00:00.000Z	22 \| good	1.26 \| good	4.144 \| good	24.15 \| good	0.157 \| good	2.679 \| good	0.182 \| good
2025-10-20T08:00:00.000Z	20 \| good	1.294 \| good	5.542 \| good	22.354 \| good	0.129 \| good	3.309 \| good	0.182 \| good
2025-10-20T09:00:00.000Z	19 \| good	1.03 \| good	3.42 \| good	20.056 \| good	0.16 \| good	4.219 \| good	0.216 \| good
2025-10-20T10:00:00.000Z	19 \| good	1.469 \| good	5.853 \| good	20.35 \| good	0.157 \| good	2.656 \| good	0.182 \| good
2025-10-20T11:00:00.000Z	17 \| good	0.74 \| good	3.212 \| good	18.342 \| good	0.153 \| good	3.074 \| good	0.176 \| good
2025-10-20T12:00:00.000Z	19 \| good	1.289 \| good	6.182 \| good	20.457 \| good	0.165 \| good	3.111 \| good	0.138 \| good
2025-10-20T13:00:00.000Z	19 \| good	0.986 \| good	5.437 \| good	19.62 \| good	0.135 \| good	4.98 \| good	0.209 \| good
2025-10-20T14:00:00.000Z	18 \| good	1.428 \| good	5.628 \| good	18.917 \| good	0.16 \| good	5 \| good	0.216 \| good
2025-10-20T15:00:00.000Z	19 \| good	2.391 \| good	9.28 \| good	20.446 \| good	0.183 \| good	3.204 \| good	0.171 \| good
2025-10-20T16:00:00.000Z	20 \| good	1.908 \| good	6.392 \| good	21.927 \| good	0.21 \| good	2.209 \| good	0.138 \| good
2025-10-20T17:00:00.000Z	21 \| good	2.733 \| good	11.702 \| good	22.822 \| good	0.169 \| good	2.091 \| good	0.156 \| good
2025-10-20T18:00:00.000Z	22 \| good	1.74 \| good	8.761 \| good	23.869 \| good	0.162 \| good	1.733 \| good	0.171 \| good
2025-10-20T19:00:00.000Z	23 \| good	1.165 \| good	4.701 \| good	24.504 \| good	0.154 \| good	1.71 \| good	0.171 \| good
2025-10-20T20:00:00.000Z	21 \| good	1.359 \| good	6.343 \| good	23.205 \| good	0.159 \| good	1.792 \| good	0.171 \| good
2025-10-20T21:00:00.000Z	21 \| good	1.131 \| good	4.402 \| good	23.33 \| good	0.139 \| good	1.875 \| good	0.171 \| good
2025-10-20T22:00:00.000Z	23 \| good	2.362 \| good	10.027 \| good	25.168 \| good	0.153 \| good	2.855 \| good	0.171 \| good
2025-10-20T23:00:00.000Z	23 \| good	2.131 \| good	9.341 \| good	25.467 \| good	0.156 \| good	2.57 \| good	0.171 \| good
2025-10-21T00:00:00.000Z	23 \| good	1.826 \| good	7.387 \| good	24.525 \| good	0.144 \| good	3.111 \| good	0.171 \| good
2025-10-21T01:00:00.000Z	21 \| good	2.07 \| good	9.957 \| good	23.4 \| good	0.171 \| good	5.434 \| good	0.182 \| good
2025-10-21T02:00:00.000Z	19 \| good	2.554 \| good	12.989 \| good	20.766 \| good	0.145 \| good	9.087 \| good	0.275 \| good
2025-10-21T03:00:00.000Z	49 \| good	9.441 \| good	42.002 \| good	10.39 \| good	2.036 \| good	19.115 \| good	0.241 \| good
2025-10-21T04:00:00.000Z	22 \| good	4.486 \| good	19.915 \| good	14.689 \| good	0.193 \| good	14.892 \| good	0.41 \| good
2025-10-21T05:00:00.000Z	22 \| good	4.269 \| good	18.064 \| good	11.97 \| good	0.167 \| good	15.931 \| good	0.433 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.36 \| good	24.457 \| good	7.466 \| good	0.16 \| good	18.807 \| good	0.467 \| good
2025-10-21T07:00:00.000Z	27 \| good	4.943 \| good	22.468 \| good	6.101 \| good	0.16 \| good	16.692 \| good	0.403 \| good
2025-10-21T08:00:00.000Z	33 \| good	6.296 \| good	28.664 \| good	5.166 \| good	0.223 \| good	17.081 \| good	0.429 \| good
2025-10-21T09:00:00.000Z	27 \| good	5.394 \| good	22.896 \| good	4.239 \| good	0.225 \| good	16.631 \| good	0.397 \| good
2025-10-21T10:00:00.000Z	27 \| good	5.087 \| good	20.934 \| good	2.196 \| good	0.314 \| good	16.861 \| good	0.397 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.208 \| good	26.886 \| good	2.549 \| good	0.309 \| good	14.118 \| good	0.464 \| good
2025-10-21T12:00:00.000Z	33 \| good	6.443 \| good	27.94 \| good	3.307 \| good	0.365 \| good	13.966 \| good	0.663 \| good
2025-10-21T13:00:00.000Z	38 \| good	6.951 \| good	29.481 \| good	3.24 \| good	0.393 \| good	14.172 \| good	0.786 \| good
2025-10-21T14:00:00.000Z	44 \| good	7.542 \| good	35.564 \| good	3.693 \| good	0.349 \| good	15.467 \| good	0.792 \| good
2025-10-21T15:00:00.000Z	44 \| good	8.255 \| good	35.754 \| good	5.427 \| good	0.334 \| good	16.993 \| good	0.619 \| good
2025-10-21T16:00:00.000Z	33 \| good	6.022 \| good	30.84 \| good	10.321 \| good	0.377 \| good	10.022 \| good	0.296 \| good
2025-10-21T17:00:00.000Z	33 \| good	5.933 \| good	24.709 \| good	15.138 \| good	0.304 \| good	7.078 \| good	0.214 \| good
2025-10-21T18:00:00.000Z	22 \| good	3.864 \| good	16.665 \| good	17.734 \| good	0.272 \| good	5.875 \| good	0.18 \| good
2025-10-21T19:00:00.000Z	19 \| good	3.19 \| good	12.717 \| good	20.438 \| good	0.251 \| good	5.1 \| good	0.18 \| good
2025-10-21T20:00:00.000Z	21 \| good	3.491 \| good	16.226 \| good	23.332 \| good	0.282 \| good	4.866 \| good	0.214 \| good
2025-10-21T21:00:00.000Z	27 \| good	4.914 \| good	20.545 \| good	25.342 \| good	0.281 \| good	5.224 \| good	0.214 \| good
2025-10-21T22:00:00.000Z	23 \| good	3.563 \| good	15.736 \| good	24.699 \| good	0.32 \| good	5.273 \| good	0.214 \| good
2025-10-21T23:00:00.000Z	27 \| good	5.049 \| good	20.481 \| good	25.709 \| good	0.283 \| good	6.24 \| good	0.246 \| good
2025-10-22T00:00:00.000Z	23 \| good	3.539 \| good	14.198 \| good	24.756 \| good	0.284 \| good	9.583 \| good	0.371 \| good
2025-10-22T01:00:00.000Z	27 \| good	4.585 \| good	20.72 \| good	24.179 \| good	0.234 \| good	10.393 \| good	0.36 \| good
2025-10-22T02:00:00.000Z	27 \| good	5.115 \| good	20.848 \| good	22.913 \| good	0.247 \| good	8.872 \| good	0.306 \| good
2025-10-22T03:00:00.000Z	54 \| moderate	11.473 \| good	51.09 \| good	16.227 \| good	1.829 \| good	6.939 \| good	0.175 \| good
2025-10-22T04:00:00.000Z	38 \| good	6.721 \| good	31.921 \| good	20.969 \| good	0.215 \| good	7.203 \| good	0.22 \| good
2025-10-22T05:00:00.000Z	33 \| good	5.707 \| good	25.155 \| good	17.976 \| good	0.183 \| good	8.248 \| good	0.22 \| good
2025-10-22T05:00:00.000Z	33 \| good	5.869 \| good	25.865 \| good	17.617 \| good	0.194 \| good	8.93 \| good	0.24 \| good
2025-10-22T06:00:00.000Z	44 \| good	7.748 \| good	33.89 \| good	17.652 \| good	1.59 \| good	5.373 \| good	0.165 \| good
2025-10-22T07:00:00.000Z	38 \| good	6.551 \| good	29.312 \| good	16.186 \| good	1.869 \| good	4.705 \| good	0.156 \| good
2025-10-22T08:00:00.000Z	33 \| good	6.333 \| good	28.024 \| good	16.77 \| good	2.147 \| good	4.037 \| good	0.146 \| good
2025-10-22T09:00:00.000Z	33 \| good	5.899 \| good	26.051 \| good	15.847 \| good	2.426 \| good	3.37 \| good	0.137 \| good
2025-10-22T10:00:00.000Z	33 \| good	5.501 \| good	23.656 \| good	13.694 \| good	2.498 \| good	4.227 \| good	0.141 \| good
2025-10-22T11:00:00.000Z	33 \| good	5.752 \| good	24.789 \| good	6.391 \| good	2.571 \| good	5.085 \| good	0.145 \| good
2025-10-22T12:00:00.000Z	38 \| good	6.537 \| good	28.818 \| good	8.708 \| good	2.643 \| good	5.942 \| good	0.15 \| good
2025-10-22T13:00:00.000Z	27 \| good	5.342 \| good	22.989 \| good	18.593 \| good	2.522 \| good	4.754 \| good	0.145 \| good
2025-10-22T14:00:00.000Z	30 \| good	2.757 \| good	11.513 \| good	31.579 \| good	2.4 \| good	3.565 \| good	0.14 \| good
2025-10-22T15:00:00.000Z	32 \| good	2.377 \| good	9.613 \| good	34.839 \| good	2.278 \| good	2.376 \| good	0.135 \| good
2025-10-22T16:00:00.000Z	33 \| good	2.687 \| good	11.013 \| good	35.509 \| good	2.077 \| good	2.182 \| good	0.132 \| good
2025-10-22T17:00:00.000Z	31 \| good	1.772 \| good	7.346 \| good	34.153 \| good	1.876 \| good	1.987 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	31 \| good	3.182 \| good	13.297 \| good	32.756 \| good	1.674 \| good	1.792 \| good	0.124 \| good
2025-10-22T19:00:00.000Z	31 \| good	2.662 \| good	10.644 \| good	32.615 \| good	1.555 \| good	2.202 \| good	0.127 \| good
2025-10-22T20:00:00.000Z	29 \| good	3.045 \| good	12.789 \| good	31.49 \| good	1.435 \| good	2.611 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	28 \| good	2.908 \| good	11.894 \| good	29.916 \| good	1.316 \| good	3.02 \| good	0.132 \| good
2025-10-22T22:00:00.000Z	27 \| good	2.287 \| good	9.538 \| good	29.189 \| good	1.481 \| good	7.038 \| good	0.16 \| good
2025-10-22T23:00:00.000Z	27 \| good	2.796 \| good	11.209 \| good	28.593 \| good	1.646 \| good	11.057 \| good	0.189 \| good
2025-10-23T00:00:00.000Z	27 \| good	5.461 \| good	23.631 \| good	19.167 \| good	1.811 \| good	15.075 \| good	0.217 \| good
2025-10-23T01:00:00.000Z	33 \| good	5.58 \| good	24.138 \| good	16.929 \| good	2.021 \| good	13.661 \| good	0.205 \| good
2025-10-23T02:00:00.000Z	33 \| good	5.893 \| good	25.655 \| good	18.746 \| good	2.232 \| good	12.247 \| good	0.193 \| good
2025-10-23T03:00:00.000Z	33 \| good	6.041 \| good	27.035 \| good	15.168 \| good	2.442 \| good	10.833 \| good	0.18 \| good
2025-10-23T04:00:00.000Z	38 \| good	6.911 \| good	30.707 \| good	13.713 \| good	2.418 \| good	9.871 \| good	0.174 \| good
2025-10-23T05:00:00.000Z	49 \| good	9.015 \| good	40.212 \| good	14.385 \| good	2.394 \| good	8.909 \| good	0.168 \| good
2025-10-23T06:00:00.000Z	49 \| good	9.368 \| good	41.567 \| good	14.335 \| good	2.37 \| good	7.947 \| good	0.162 \| good
2025-10-23T07:00:00.000Z	44 \| good	7.87 \| good	34.505 \| good	13.96 \| good	2.228 \| good	6.877 \| good	0.154 \| good
2025-10-23T08:00:00.000Z	44 \| good	7.571 \| good	33.116 \| good	11.458 \| good	2.085 \| good	5.807 \| good	0.147 \| good
2025-10-23T09:00:00.000Z	38 \| good	7.15 \| good	31.642 \| good	10.581 \| good	1.942 \| good	4.738 \| good	0.139 \| good
2025-10-23T10:00:00.000Z	38 \| good	7.457 \| good	32.899 \| good	7.574 \| good	1.953 \| good	5.483 \| good	0.145 \| good
2025-10-23T11:00:00.000Z	44 \| good	8.134 \| good	35.715 \| good	1.888 \| good	1.965 \| good	6.228 \| good	0.15 \| good
2025-10-23T12:00:00.000Z	49 \| good	9.027 \| good	39.96 \| good	3.485 \| good	1.976 \| good	6.974 \| good	0.155 \| good
2025-10-23T13:00:00.000Z	44 \| good	8.303 \| good	36.544 \| good	12.779 \| good	2.014 \| good	5.423 \| good	0.147 \| good
2025-10-23T14:00:00.000Z	24 \| good	4.2 \| good	18.538 \| good	26.249 \| good	2.051 \| good	3.871 \| good	0.138 \| good
2025-10-23T15:00:00.000Z	29 \| good	2.738 \| good	11.314 \| good	30.567 \| good	2.089 \| good	2.32 \| good	0.129 \| good
2025-10-23T16:00:00.000Z	30 \| good	2.354 \| good	9.571 \| good	32.081 \| good	1.859 \| good	2.145 \| good	0.127 \| good
2025-10-23T17:00:00.000Z	30 \| good	0.809 \| good	3.009 \| good	32.498 \| good	1.629 \| good	1.969 \| good	0.124 \| good
2025-10-23T18:00:00.000Z	31 \| good	2.019 \| good	8.337 \| good	33.363 \| good	1.4 \| good	1.794 \| good	0.122 \| good
2025-10-23T19:00:00.000Z	32 \| good	1.681 \| good	6.851 \| good	34.657 \| good	1.347 \| good	2.104 \| good	0.125 \| good
2025-10-23T20:00:00.000Z	31 \| good	1.759 \| good	7.309 \| good	33.057 \| good	1.295 \| good	2.415 \| good	0.127 \| good
2025-10-23T21:00:00.000Z	31 \| good	0.788 \| good	3.088 \| good	32.893 \| good	1.242 \| good	2.725 \| good	0.13 \| good
2025-10-23T22:00:00.000Z	27 \| good	0.631 \| good	2.476 \| good	29.444 \| good	1.369 \| good	5.863 \| good	0.153 \| good
2025-10-23T23:00:00.000Z	21 \| good	1.182 \| good	4.709 \| good	23.396 \| good	1.496 \| good	9.001 \| good	0.176 \| good
2025-10-24T00:00:00.000Z	22 \| good	4.201 \| good	18.398 \| good	15.986 \| good	1.623 \| good	12.14 \| good	0.2 \| good
2025-10-24T01:00:00.000Z	27 \| good	4.836 \| good	20.83 \| good	11.512 \| good	1.712 \| good	11.089 \| good	0.192 \| good
2025-10-24T02:00:00.000Z	33 \| good	6.284 \| good	27.338 \| good	10.881 \| good	1.802 \| good	10.038 \| good	0.185 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.136 \| good	31.462 \| good	9.211 \| good	1.891 \| good	8.988 \| good	0.178 \| good
2025-10-24T04:00:00.000Z	44 \| good	8.42 \| good	37.173 \| good	6.687 \| good	1.914 \| good	8.353 \| good	0.174 \| good
2025-10-24T05:00:00.000Z	52 \| moderate	9.782 \| good	43.329 \| good	7.286 \| good	1.936 \| good	7.718 \| good	0.171 \| good

Langley Park

Get reliable air quality data to drive your business

Langley Park, Maryland air quality map: Track AQI near you

0.22ppm

How accurate is Maryland, USA air quality data?

Air quality data and pollutant measurements for Maryland, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Langley Park, Maryland updated?

The air quality for Langley Park, Maryland is updated every hour.

When was the worst air quality at Langley Park, Maryland in the last 24 hrs?

The worst air quality in Langley Park, Maryland in the last 24 hours was observed at 03:00:00 on 2025-10-22.

When was the best air quality at Langley Park, Maryland in the last 24 hrs?

In the last 24 hrs, the best air quality in Langley Park, Maryland was observed at 07:00:00 on 2025-10-21.

What is the current air quality in Langley Park, Maryland?

The current air quality in Langley Park, Maryland is 33, categorized as Good based on real-time data.

What pollutant is the most common in Langley Park, Maryland?

The most common pollutant in Langley Park, Maryland is PM2.5.

What should I do if the air quality in Langley Park, Maryland is poor?

If the air quality in Langley Park, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Langley Park, Maryland?

The current PM_2.5 concentration at Langley Park, Maryland is 5.869 μg/m³.

What is the current concentration of PM₁₀ in Langley Park, Maryland?

The current PM₁₀ concentration at Langley Park, Maryland is 25.865 μg/m³.

What is the current concentration of carbon monoxide (CO) in Langley Park, Maryland?

The current carbon monoxide (CO) concentration at Langley Park, Maryland is 0.24 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Langley Park, Maryland?

The current sulfur dioxide (SO₂) concentration at Langley Park, Maryland is 0.194 ppb.

What is the current concentration of ozone (O₃) in Langley Park, Maryland?

The current ozone (O₃) concentration at Langley Park, Maryland is 17.617 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Langley Park, Maryland?

The current nitrogen dioxide (NO₂) concentration at Langley Park, Maryland is 8.93 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T06:00:00.000Z	22 \| good	1.713 \| good	7.081 \| good	24.497 \| good	0.126 \| good	3.113 \| good	0.182 \| good
2025-10-20T07:00:00.000Z	22 \| good	1.26 \| good	4.144 \| good	24.15 \| good	0.157 \| good	2.679 \| good	0.182 \| good
2025-10-20T08:00:00.000Z	20 \| good	1.294 \| good	5.542 \| good	22.354 \| good	0.129 \| good	3.309 \| good	0.182 \| good
2025-10-20T09:00:00.000Z	19 \| good	1.03 \| good	3.42 \| good	20.056 \| good	0.16 \| good	4.219 \| good	0.216 \| good
2025-10-20T10:00:00.000Z	19 \| good	1.469 \| good	5.853 \| good	20.35 \| good	0.157 \| good	2.656 \| good	0.182 \| good
2025-10-20T11:00:00.000Z	17 \| good	0.74 \| good	3.212 \| good	18.342 \| good	0.153 \| good	3.074 \| good	0.176 \| good
2025-10-20T12:00:00.000Z	19 \| good	1.289 \| good	6.182 \| good	20.457 \| good	0.165 \| good	3.111 \| good	0.138 \| good
2025-10-20T13:00:00.000Z	19 \| good	0.986 \| good	5.437 \| good	19.62 \| good	0.135 \| good	4.98 \| good	0.209 \| good
2025-10-20T14:00:00.000Z	18 \| good	1.428 \| good	5.628 \| good	18.917 \| good	0.16 \| good	5 \| good	0.216 \| good
2025-10-20T15:00:00.000Z	19 \| good	2.391 \| good	9.28 \| good	20.446 \| good	0.183 \| good	3.204 \| good	0.171 \| good
2025-10-20T16:00:00.000Z	20 \| good	1.908 \| good	6.392 \| good	21.927 \| good	0.21 \| good	2.209 \| good	0.138 \| good
2025-10-20T17:00:00.000Z	21 \| good	2.733 \| good	11.702 \| good	22.822 \| good	0.169 \| good	2.091 \| good	0.156 \| good
2025-10-20T18:00:00.000Z	22 \| good	1.74 \| good	8.761 \| good	23.869 \| good	0.162 \| good	1.733 \| good	0.171 \| good
2025-10-20T19:00:00.000Z	23 \| good	1.165 \| good	4.701 \| good	24.504 \| good	0.154 \| good	1.71 \| good	0.171 \| good
2025-10-20T20:00:00.000Z	21 \| good	1.359 \| good	6.343 \| good	23.205 \| good	0.159 \| good	1.792 \| good	0.171 \| good
2025-10-20T21:00:00.000Z	21 \| good	1.131 \| good	4.402 \| good	23.33 \| good	0.139 \| good	1.875 \| good	0.171 \| good
2025-10-20T22:00:00.000Z	23 \| good	2.362 \| good	10.027 \| good	25.168 \| good	0.153 \| good	2.855 \| good	0.171 \| good
2025-10-20T23:00:00.000Z	23 \| good	2.131 \| good	9.341 \| good	25.467 \| good	0.156 \| good	2.57 \| good	0.171 \| good
2025-10-21T00:00:00.000Z	23 \| good	1.826 \| good	7.387 \| good	24.525 \| good	0.144 \| good	3.111 \| good	0.171 \| good
2025-10-21T01:00:00.000Z	21 \| good	2.07 \| good	9.957 \| good	23.4 \| good	0.171 \| good	5.434 \| good	0.182 \| good
2025-10-21T02:00:00.000Z	19 \| good	2.554 \| good	12.989 \| good	20.766 \| good	0.145 \| good	9.087 \| good	0.275 \| good
2025-10-21T03:00:00.000Z	49 \| good	9.441 \| good	42.002 \| good	10.39 \| good	2.036 \| good	19.115 \| good	0.241 \| good
2025-10-21T04:00:00.000Z	22 \| good	4.486 \| good	19.915 \| good	14.689 \| good	0.193 \| good	14.892 \| good	0.41 \| good
2025-10-21T05:00:00.000Z	22 \| good	4.269 \| good	18.064 \| good	11.97 \| good	0.167 \| good	15.931 \| good	0.433 \| good
2025-10-21T06:00:00.000Z	27 \| good	5.36 \| good	24.457 \| good	7.466 \| good	0.16 \| good	18.807 \| good	0.467 \| good
2025-10-21T07:00:00.000Z	27 \| good	4.943 \| good	22.468 \| good	6.101 \| good	0.16 \| good	16.692 \| good	0.403 \| good
2025-10-21T08:00:00.000Z	33 \| good	6.296 \| good	28.664 \| good	5.166 \| good	0.223 \| good	17.081 \| good	0.429 \| good
2025-10-21T09:00:00.000Z	27 \| good	5.394 \| good	22.896 \| good	4.239 \| good	0.225 \| good	16.631 \| good	0.397 \| good
2025-10-21T10:00:00.000Z	27 \| good	5.087 \| good	20.934 \| good	2.196 \| good	0.314 \| good	16.861 \| good	0.397 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.208 \| good	26.886 \| good	2.549 \| good	0.309 \| good	14.118 \| good	0.464 \| good
2025-10-21T12:00:00.000Z	33 \| good	6.443 \| good	27.94 \| good	3.307 \| good	0.365 \| good	13.966 \| good	0.663 \| good
2025-10-21T13:00:00.000Z	38 \| good	6.951 \| good	29.481 \| good	3.24 \| good	0.393 \| good	14.172 \| good	0.786 \| good
2025-10-21T14:00:00.000Z	44 \| good	7.542 \| good	35.564 \| good	3.693 \| good	0.349 \| good	15.467 \| good	0.792 \| good
2025-10-21T15:00:00.000Z	44 \| good	8.255 \| good	35.754 \| good	5.427 \| good	0.334 \| good	16.993 \| good	0.619 \| good
2025-10-21T16:00:00.000Z	33 \| good	6.022 \| good	30.84 \| good	10.321 \| good	0.377 \| good	10.022 \| good	0.296 \| good
2025-10-21T17:00:00.000Z	33 \| good	5.933 \| good	24.709 \| good	15.138 \| good	0.304 \| good	7.078 \| good	0.214 \| good
2025-10-21T18:00:00.000Z	22 \| good	3.864 \| good	16.665 \| good	17.734 \| good	0.272 \| good	5.875 \| good	0.18 \| good
2025-10-21T19:00:00.000Z	19 \| good	3.19 \| good	12.717 \| good	20.438 \| good	0.251 \| good	5.1 \| good	0.18 \| good
2025-10-21T20:00:00.000Z	21 \| good	3.491 \| good	16.226 \| good	23.332 \| good	0.282 \| good	4.866 \| good	0.214 \| good
2025-10-21T21:00:00.000Z	27 \| good	4.914 \| good	20.545 \| good	25.342 \| good	0.281 \| good	5.224 \| good	0.214 \| good
2025-10-21T22:00:00.000Z	23 \| good	3.563 \| good	15.736 \| good	24.699 \| good	0.32 \| good	5.273 \| good	0.214 \| good
2025-10-21T23:00:00.000Z	27 \| good	5.049 \| good	20.481 \| good	25.709 \| good	0.283 \| good	6.24 \| good	0.246 \| good
2025-10-22T00:00:00.000Z	23 \| good	3.539 \| good	14.198 \| good	24.756 \| good	0.284 \| good	9.583 \| good	0.371 \| good
2025-10-22T01:00:00.000Z	27 \| good	4.585 \| good	20.72 \| good	24.179 \| good	0.234 \| good	10.393 \| good	0.36 \| good
2025-10-22T02:00:00.000Z	27 \| good	5.115 \| good	20.848 \| good	22.913 \| good	0.247 \| good	8.872 \| good	0.306 \| good
2025-10-22T03:00:00.000Z	54 \| moderate	11.473 \| good	51.09 \| good	16.227 \| good	1.829 \| good	6.939 \| good	0.175 \| good
2025-10-22T04:00:00.000Z	38 \| good	6.721 \| good	31.921 \| good	20.969 \| good	0.215 \| good	7.203 \| good	0.22 \| good
2025-10-22T05:00:00.000Z	33 \| good	5.707 \| good	25.155 \| good	17.976 \| good	0.183 \| good	8.248 \| good	0.22 \| good
2025-10-22T05:00:00.000Z	33 \| good	5.869 \| good	25.865 \| good	17.617 \| good	0.194 \| good	8.93 \| good	0.24 \| good
2025-10-22T06:00:00.000Z	44 \| good	7.748 \| good	33.89 \| good	17.652 \| good	1.59 \| good	5.373 \| good	0.165 \| good
2025-10-22T07:00:00.000Z	38 \| good	6.551 \| good	29.312 \| good	16.186 \| good	1.869 \| good	4.705 \| good	0.156 \| good
2025-10-22T08:00:00.000Z	33 \| good	6.333 \| good	28.024 \| good	16.77 \| good	2.147 \| good	4.037 \| good	0.146 \| good
2025-10-22T09:00:00.000Z	33 \| good	5.899 \| good	26.051 \| good	15.847 \| good	2.426 \| good	3.37 \| good	0.137 \| good
2025-10-22T10:00:00.000Z	33 \| good	5.501 \| good	23.656 \| good	13.694 \| good	2.498 \| good	4.227 \| good	0.141 \| good
2025-10-22T11:00:00.000Z	33 \| good	5.752 \| good	24.789 \| good	6.391 \| good	2.571 \| good	5.085 \| good	0.145 \| good
2025-10-22T12:00:00.000Z	38 \| good	6.537 \| good	28.818 \| good	8.708 \| good	2.643 \| good	5.942 \| good	0.15 \| good
2025-10-22T13:00:00.000Z	27 \| good	5.342 \| good	22.989 \| good	18.593 \| good	2.522 \| good	4.754 \| good	0.145 \| good
2025-10-22T14:00:00.000Z	30 \| good	2.757 \| good	11.513 \| good	31.579 \| good	2.4 \| good	3.565 \| good	0.14 \| good
2025-10-22T15:00:00.000Z	32 \| good	2.377 \| good	9.613 \| good	34.839 \| good	2.278 \| good	2.376 \| good	0.135 \| good
2025-10-22T16:00:00.000Z	33 \| good	2.687 \| good	11.013 \| good	35.509 \| good	2.077 \| good	2.182 \| good	0.132 \| good
2025-10-22T17:00:00.000Z	31 \| good	1.772 \| good	7.346 \| good	34.153 \| good	1.876 \| good	1.987 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	31 \| good	3.182 \| good	13.297 \| good	32.756 \| good	1.674 \| good	1.792 \| good	0.124 \| good
2025-10-22T19:00:00.000Z	31 \| good	2.662 \| good	10.644 \| good	32.615 \| good	1.555 \| good	2.202 \| good	0.127 \| good
2025-10-22T20:00:00.000Z	29 \| good	3.045 \| good	12.789 \| good	31.49 \| good	1.435 \| good	2.611 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	28 \| good	2.908 \| good	11.894 \| good	29.916 \| good	1.316 \| good	3.02 \| good	0.132 \| good
2025-10-22T22:00:00.000Z	27 \| good	2.287 \| good	9.538 \| good	29.189 \| good	1.481 \| good	7.038 \| good	0.16 \| good
2025-10-22T23:00:00.000Z	27 \| good	2.796 \| good	11.209 \| good	28.593 \| good	1.646 \| good	11.057 \| good	0.189 \| good
2025-10-23T00:00:00.000Z	27 \| good	5.461 \| good	23.631 \| good	19.167 \| good	1.811 \| good	15.075 \| good	0.217 \| good
2025-10-23T01:00:00.000Z	33 \| good	5.58 \| good	24.138 \| good	16.929 \| good	2.021 \| good	13.661 \| good	0.205 \| good
2025-10-23T02:00:00.000Z	33 \| good	5.893 \| good	25.655 \| good	18.746 \| good	2.232 \| good	12.247 \| good	0.193 \| good
2025-10-23T03:00:00.000Z	33 \| good	6.041 \| good	27.035 \| good	15.168 \| good	2.442 \| good	10.833 \| good	0.18 \| good
2025-10-23T04:00:00.000Z	38 \| good	6.911 \| good	30.707 \| good	13.713 \| good	2.418 \| good	9.871 \| good	0.174 \| good
2025-10-23T05:00:00.000Z	49 \| good	9.015 \| good	40.212 \| good	14.385 \| good	2.394 \| good	8.909 \| good	0.168 \| good
2025-10-23T06:00:00.000Z	49 \| good	9.368 \| good	41.567 \| good	14.335 \| good	2.37 \| good	7.947 \| good	0.162 \| good
2025-10-23T07:00:00.000Z	44 \| good	7.87 \| good	34.505 \| good	13.96 \| good	2.228 \| good	6.877 \| good	0.154 \| good
2025-10-23T08:00:00.000Z	44 \| good	7.571 \| good	33.116 \| good	11.458 \| good	2.085 \| good	5.807 \| good	0.147 \| good
2025-10-23T09:00:00.000Z	38 \| good	7.15 \| good	31.642 \| good	10.581 \| good	1.942 \| good	4.738 \| good	0.139 \| good
2025-10-23T10:00:00.000Z	38 \| good	7.457 \| good	32.899 \| good	7.574 \| good	1.953 \| good	5.483 \| good	0.145 \| good
2025-10-23T11:00:00.000Z	44 \| good	8.134 \| good	35.715 \| good	1.888 \| good	1.965 \| good	6.228 \| good	0.15 \| good
2025-10-23T12:00:00.000Z	49 \| good	9.027 \| good	39.96 \| good	3.485 \| good	1.976 \| good	6.974 \| good	0.155 \| good
2025-10-23T13:00:00.000Z	44 \| good	8.303 \| good	36.544 \| good	12.779 \| good	2.014 \| good	5.423 \| good	0.147 \| good
2025-10-23T14:00:00.000Z	24 \| good	4.2 \| good	18.538 \| good	26.249 \| good	2.051 \| good	3.871 \| good	0.138 \| good
2025-10-23T15:00:00.000Z	29 \| good	2.738 \| good	11.314 \| good	30.567 \| good	2.089 \| good	2.32 \| good	0.129 \| good
2025-10-23T16:00:00.000Z	30 \| good	2.354 \| good	9.571 \| good	32.081 \| good	1.859 \| good	2.145 \| good	0.127 \| good
2025-10-23T17:00:00.000Z	30 \| good	0.809 \| good	3.009 \| good	32.498 \| good	1.629 \| good	1.969 \| good	0.124 \| good
2025-10-23T18:00:00.000Z	31 \| good	2.019 \| good	8.337 \| good	33.363 \| good	1.4 \| good	1.794 \| good	0.122 \| good
2025-10-23T19:00:00.000Z	32 \| good	1.681 \| good	6.851 \| good	34.657 \| good	1.347 \| good	2.104 \| good	0.125 \| good
2025-10-23T20:00:00.000Z	31 \| good	1.759 \| good	7.309 \| good	33.057 \| good	1.295 \| good	2.415 \| good	0.127 \| good
2025-10-23T21:00:00.000Z	31 \| good	0.788 \| good	3.088 \| good	32.893 \| good	1.242 \| good	2.725 \| good	0.13 \| good
2025-10-23T22:00:00.000Z	27 \| good	0.631 \| good	2.476 \| good	29.444 \| good	1.369 \| good	5.863 \| good	0.153 \| good
2025-10-23T23:00:00.000Z	21 \| good	1.182 \| good	4.709 \| good	23.396 \| good	1.496 \| good	9.001 \| good	0.176 \| good
2025-10-24T00:00:00.000Z	22 \| good	4.201 \| good	18.398 \| good	15.986 \| good	1.623 \| good	12.14 \| good	0.2 \| good
2025-10-24T01:00:00.000Z	27 \| good	4.836 \| good	20.83 \| good	11.512 \| good	1.712 \| good	11.089 \| good	0.192 \| good
2025-10-24T02:00:00.000Z	33 \| good	6.284 \| good	27.338 \| good	10.881 \| good	1.802 \| good	10.038 \| good	0.185 \| good
2025-10-24T03:00:00.000Z	38 \| good	7.136 \| good	31.462 \| good	9.211 \| good	1.891 \| good	8.988 \| good	0.178 \| good
2025-10-24T04:00:00.000Z	44 \| good	8.42 \| good	37.173 \| good	6.687 \| good	1.914 \| good	8.353 \| good	0.174 \| good
2025-10-24T05:00:00.000Z	52 \| moderate	9.782 \| good	43.329 \| good	7.286 \| good	1.936 \| good	7.718 \| good	0.171 \| good

Langley Park, Maryland live air quality index now

Major air pollutants in Langley Park, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Langley Park, Maryland air quality map: Track AQI near you

Air quality in nearby cities

Adelphi, Maryland

Takoma Park, Maryland

Chillum, Maryland

College Park, Maryland

Silver Spring, Maryland

Hyattsville, Maryland

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Frequently asked questions

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What is the current concentration of PM2.5 in Langley Park, Maryland?

What is the current concentration of PM10 in Langley Park, Maryland?

What is the current concentration of carbon monoxide (CO) in Langley Park, Maryland?

What is the current concentration of sulfur dioxide (SO2) in Langley Park, Maryland?

What is the current concentration of ozone (O3) in Langley Park, Maryland?

What is the current concentration of nitrogen dioxide (NO2) in Langley Park, Maryland?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Langley Park, Maryland?

What is the current concentration of PM₁₀ in Langley Park, Maryland?

What is the current concentration of sulfur dioxide (SO₂) in Langley Park, Maryland?

What is the current concentration of ozone (O₃) in Langley Park, Maryland?

What is the current concentration of nitrogen dioxide (NO₂) in Langley Park, Maryland?