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

The current PM10 concentration at Langley Park, Maryland is 63.198 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 0.431 ppb.

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

The current ozone (O3) concentration at Langley Park, Maryland is 36.13 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 7.436 ppb.

Langley Park, Maryland live air quality index now

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

The current PM2.5 concentration at Langley Park, Maryland is 9.595 μg/m3.

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)

Moderate

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)

13.02 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

65.35 μg/m³

155

255

425

605+

Ozone (O₃)

34.97 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.27 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 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
2026-01-21T03:00:00.000Z	38 \| good	6.501 \| good	28.656 \| good	17.316 \| good	2.934 \| good	19.992 \| good	0.25 \| good
2026-01-21T04:00:00.000Z	26 \| good	2.773 \| good	11.91 \| good	28.401 \| good	0.403 \| good	14.14 \| good	0.287 \| good
2026-01-21T05:00:00.000Z	21 \| good	2.961 \| good	12.861 \| good	21.271 \| good	0.64 \| good	22.067 \| good	0.367 \| good
2026-01-21T06:00:00.000Z	31 \| good	3.67 \| good	16.458 \| good	12.016 \| good	0.669 \| good	32.576 \| good	0.524 \| good
2026-01-21T07:00:00.000Z	33 \| good	3.792 \| good	16.59 \| good	10.461 \| good	0.735 \| good	35.279 \| good	0.51 \| good
2026-01-21T08:00:00.000Z	34 \| good	4.903 \| good	20.566 \| good	6.178 \| good	0.802 \| good	36.436 \| good	0.566 \| good
2026-01-21T09:00:00.000Z	35 \| good	6.227 \| good	27.187 \| good	4.144 \| good	0.522 \| good	37.241 \| good	0.501 \| good
2026-01-21T10:00:00.000Z	35 \| good	6.459 \| good	31.107 \| good	2.64 \| good	0.423 \| good	37.071 \| good	0.462 \| good
2026-01-21T11:00:00.000Z	33 \| good	6.144 \| good	26.019 \| good	3.653 \| good	0.821 \| good	34.57 \| good	0.49 \| good
2026-01-21T12:00:00.000Z	35 \| good	6.164 \| good	22.441 \| good	2.972 \| good	0.85 \| good	36.86 \| good	0.64 \| good
2026-01-21T13:00:00.000Z	38 \| good	6.901 \| good	29.399 \| good	3.746 \| good	0.861 \| good	35.926 \| good	0.705 \| good
2026-01-21T14:00:00.000Z	38 \| good	6.522 \| good	29.555 \| good	3.187 \| good	0.935 \| good	36.343 \| good	0.7 \| good
2026-01-21T15:00:00.000Z	44 \| good	7.538 \| good	32.908 \| good	6.159 \| good	1.382 \| good	33.903 \| good	0.604 \| good
2026-01-21T16:00:00.000Z	49 \| good	8.905 \| good	39.935 \| good	13.94 \| good	0.737 \| good	22.957 \| good	0.488 \| good
2026-01-21T17:00:00.000Z	44 \| good	8.164 \| good	35.04 \| good	14.127 \| good	0.656 \| good	22.6 \| good	0.477 \| good
2026-01-21T18:00:00.000Z	49 \| good	9.409 \| good	42.818 \| good	26.014 \| good	0.651 \| good	7.635 \| good	0.253 \| good
2026-01-21T19:00:00.000Z	54 \| moderate	10.58 \| good	50.753 \| good	26.006 \| good	0.729 \| good	7.624 \| good	0.177 \| good
2026-01-21T20:00:00.000Z	49 \| good	8.861 \| good	32.805 \| good	32.101 \| good	0.708 \| good	5.633 \| good	0.175 \| good
2026-01-21T21:00:00.000Z	44 \| good	7.663 \| good	34.366 \| good	34.479 \| good	0.795 \| good	5.869 \| good	0.192 \| good
2026-01-21T22:00:00.000Z	38 \| good	7.097 \| good	35.045 \| good	35.356 \| good	0.698 \| good	8.704 \| good	0.198 \| good
2026-01-21T23:00:00.000Z	38 \| good	7.303 \| good	30.323 \| good	34.313 \| good	0.578 \| good	9.613 \| good	0.198 \| good
2026-01-22T00:00:00.000Z	38 \| good	6.758 \| good	29.597 \| good	31.385 \| good	0.457 \| good	14.459 \| good	0.236 \| good
2026-01-22T01:00:00.000Z	38 \| good	7.29 \| good	31.341 \| good	29.852 \| good	0.482 \| good	14.243 \| good	0.263 \| good
2026-01-22T02:00:00.000Z	49 \| good	8.673 \| good	37.036 \| good	30.505 \| good	0.466 \| good	14.272 \| good	0.229 \| good
2026-01-22T03:00:00.000Z	49 \| good	9.002 \| good	40.19 \| good	31.366 \| good	0.458 \| good	9.927 \| good	0.198 \| good
2026-01-22T04:00:00.000Z	52 \| moderate	10.061 \| good	37.704 \| good	31.342 \| good	0.614 \| good	9.883 \| good	0.193 \| good
2026-01-22T05:00:00.000Z	49 \| good	9.251 \| good	37.375 \| good	31.175 \| good	0.913 \| good	9.646 \| good	0.193 \| good
2026-01-22T06:00:00.000Z	52 \| moderate	10.129 \| good	43.177 \| good	31.136 \| good	0.955 \| good	8.669 \| good	0.193 \| good
2026-01-22T07:00:00.000Z	52 \| moderate	10.221 \| good	41.157 \| good	31.201 \| good	0.771 \| good	9.254 \| good	0.193 \| good
2026-01-22T08:00:00.000Z	54 \| moderate	10.789 \| good	43.465 \| good	31.447 \| good	1.035 \| good	8.876 \| good	0.192 \| good
2026-01-22T09:00:00.000Z	56 \| moderate	11.897 \| good	56.294 \| fine	31.251 \| good	0.929 \| good	9.334 \| good	0.193 \| good
2026-01-22T10:00:00.000Z	60 \| moderate	14.322 \| fine	66.605 \| fine	30.224 \| good	0.927 \| good	10.112 \| good	0.198 \| good
2026-01-22T11:00:00.000Z	60 \| moderate	14.218 \| fine	59.728 \| fine	30.476 \| good	0.832 \| good	10.109 \| good	0.229 \| good
2026-01-22T12:00:00.000Z	64 \| moderate	15.55 \| fine	63.786 \| fine	29.371 \| good	0.862 \| good	12.851 \| good	0.258 \| good
2026-01-22T13:00:00.000Z	64 \| moderate	16.098 \| fine	70.289 \| fine	27.373 \| good	0.819 \| good	15.761 \| good	0.318 \| good
2026-01-22T14:00:00.000Z	66 \| moderate	17.396 \| fine	62.225 \| fine	24.973 \| good	0.894 \| good	19.092 \| good	0.319 \| good
2026-01-22T15:00:00.000Z	75 \| moderate	21.693 \| fine	84.751 \| fine	20.755 \| good	0.806 \| good	25.921 \| good	0.384 \| good
2026-01-22T16:00:00.000Z	73 \| moderate	21.016 \| fine	83.187 \| fine	25.956 \| good	0.847 \| good	18.544 \| good	0.373 \| good
2026-01-22T17:00:00.000Z	75 \| moderate	22.072 \| fine	71.371 \| fine	28.62 \| good	0.738 \| good	13.259 \| good	0.278 \| good
2026-01-22T18:00:00.000Z	69 \| moderate	19.425 \| fine	77.305 \| fine	31.882 \| good	0.638 \| good	9.17 \| good	0.247 \| good
2026-01-22T19:00:00.000Z	67 \| moderate	18.038 \| fine	78.122 \| fine	35.603 \| good	0.503 \| good	5.784 \| good	0.187 \| good
2026-01-22T20:00:00.000Z	60 \| moderate	13.817 \| fine	57.416 \| fine	37.577 \| good	0.46 \| good	5.652 \| good	0.18 \| good
2026-01-22T21:00:00.000Z	56 \| moderate	12.398 \| fine	50.72 \| good	41.059 \| good	0.479 \| good	3.676 \| good	0.18 \| good
2026-01-22T22:00:00.000Z	55 \| moderate	11.371 \| good	62.851 \| fine	40.067 \| good	0.501 \| good	4.633 \| good	0.18 \| good
2026-01-22T23:00:00.000Z	56 \| moderate	12.12 \| fine	55.696 \| fine	39.477 \| good	0.524 \| good	5.164 \| good	0.18 \| good
2026-01-23T00:00:00.000Z	60 \| moderate	14.12 \| fine	64.473 \| fine	36.917 \| good	0.439 \| good	7.674 \| good	0.18 \| good
2026-01-23T01:00:00.000Z	57 \| moderate	11.613 \| good	68.193 \| fine	36.367 \| good	0.434 \| good	7.527 \| good	0.189 \| good
2026-01-23T02:00:00.000Z	60 \| moderate	14.395 \| fine	69.918 \| fine	35.261 \| good	0.514 \| good	9.392 \| good	0.18 \| good
2026-01-23T02:00:00.000Z	58 \| moderate	13.019 \| fine	65.347 \| fine	34.971 \| good	0.511 \| good	9.267 \| good	0.176 \| good
2026-01-23T02:00:00.000Z	28 \| good	3.188 \| good	13.669 \| good	29.51 \| good	3.345 \| good	24.668 \| good	0.315 \| good
2026-01-23T03:00:00.000Z	27 \| good	3.503 \| good	15.345 \| good	28.645 \| good	3.525 \| good	26.043 \| good	0.326 \| good
2026-01-23T04:00:00.000Z	23 \| good	4.124 \| good	18.218 \| good	22.624 \| good	3.485 \| good	24.108 \| good	0.307 \| good
2026-01-23T05:00:00.000Z	33 \| good	5.597 \| good	24.048 \| good	18.457 \| good	3.446 \| good	22.173 \| good	0.289 \| good
2026-01-23T06:00:00.000Z	38 \| good	7.121 \| good	31.679 \| good	12.341 \| good	3.406 \| good	20.238 \| good	0.27 \| good
2026-01-23T07:00:00.000Z	38 \| good	7.472 \| good	32.786 \| good	10.226 \| good	3.429 \| good	17.74 \| good	0.254 \| good
2026-01-23T08:00:00.000Z	38 \| good	7.482 \| good	32.915 \| good	8.74 \| good	3.451 \| good	15.241 \| good	0.238 \| good
2026-01-23T09:00:00.000Z	44 \| good	8.083 \| good	35.279 \| good	8.002 \| good	3.474 \| good	12.743 \| good	0.222 \| good
2026-01-23T10:00:00.000Z	49 \| good	8.665 \| good	38.135 \| good	6.629 \| good	3.778 \| good	15.666 \| good	0.249 \| good
2026-01-23T11:00:00.000Z	49 \| good	9.258 \| good	40.898 \| good	3.177 \| good	4.081 \| good	18.59 \| good	0.276 \| good
2026-01-23T12:00:00.000Z	54 \| moderate	10.582 \| good	46.906 \| good	2.078 \| good	4.384 \| good	21.513 \| good	0.303 \| good
2026-01-23T13:00:00.000Z	56 \| moderate	11.851 \| good	52.629 \| good	6.854 \| good	4.288 \| good	19.676 \| good	0.309 \| good
2026-01-23T14:00:00.000Z	56 \| moderate	11.671 \| good	51.6 \| good	14.319 \| good	4.192 \| good	17.84 \| good	0.315 \| good
2026-01-23T15:00:00.000Z	56 \| moderate	11.586 \| good	51.181 \| good	21.028 \| good	4.096 \| good	16.003 \| good	0.321 \| good
2026-01-23T16:00:00.000Z	38 \| good	7.438 \| good	32.9 \| good	28.929 \| good	3.752 \| good	12.122 \| good	0.275 \| good
2026-01-23T17:00:00.000Z	31 \| good	4.443 \| good	19.5 \| good	33.806 \| good	3.408 \| good	8.24 \| good	0.229 \| good
2026-01-23T18:00:00.000Z	33 \| good	4.402 \| good	19.297 \| good	36.132 \| good	3.064 \| good	4.359 \| good	0.182 \| good
2026-01-23T19:00:00.000Z	33 \| good	4.848 \| good	20.913 \| good	35.621 \| good	3.074 \| good	4.511 \| good	0.182 \| good
2026-01-23T20:00:00.000Z	34 \| good	5.668 \| good	24.508 \| good	36.853 \| good	3.084 \| good	4.663 \| good	0.183 \| good
2026-01-23T21:00:00.000Z	34 \| good	3.541 \| good	15.239 \| good	37.195 \| good	3.094 \| good	4.816 \| good	0.183 \| good
2026-01-23T22:00:00.000Z	33 \| good	1.632 \| good	6.878 \| good	35.778 \| good	2.78 \| good	5.119 \| good	0.176 \| good
2026-01-23T23:00:00.000Z	30 \| good	1.951 \| good	7.997 \| good	32.163 \| good	2.465 \| good	5.423 \| good	0.17 \| good
2026-01-24T00:00:00.000Z	29 \| good	1.634 \| good	6.582 \| good	31.42 \| good	2.15 \| good	5.726 \| good	0.164 \| good
2026-01-24T01:00:00.000Z	31 \| good	1.216 \| good	4.949 \| good	32.826 \| good	2.064 \| good	5.242 \| good	0.161 \| good
2026-01-24T02:00:00.000Z	31 \| good	0.572 \| good	2.303 \| good	33.316 \| good	1.978 \| good	4.757 \| good	0.159 \| good
2026-01-24T03:00:00.000Z	30 \| good	1.165 \| good	4.83 \| good	31.688 \| good	1.892 \| good	4.272 \| good	0.156 \| good
2026-01-24T04:00:00.000Z	26 \| good	1.008 \| good	4.254 \| good	27.978 \| good	1.692 \| good	3.607 \| good	0.151 \| good
2026-01-24T05:00:00.000Z	25 \| good	1.45 \| good	5.703 \| good	27.351 \| good	1.492 \| good	2.941 \| good	0.146 \| good
2026-01-24T06:00:00.000Z	23 \| good	2.357 \| good	9.541 \| good	25.239 \| good	1.291 \| good	2.276 \| good	0.14 \| good
2026-01-24T07:00:00.000Z	22 \| good	1.6 \| good	6.497 \| good	23.685 \| good	1.184 \| good	2.142 \| good	0.14 \| good
2026-01-24T08:00:00.000Z	22 \| good	1.129 \| good	4.583 \| good	23.856 \| good	1.076 \| good	2.009 \| good	0.139 \| good
2026-01-24T09:00:00.000Z	20 \| good	1.908 \| good	7.815 \| good	22.494 \| good	0.969 \| good	1.875 \| good	0.138 \| good
2026-01-24T10:00:00.000Z	20 \| good	1.552 \| good	6.195 \| good	22.278 \| good	0.965 \| good	2.304 \| good	0.14 \| good
2026-01-24T11:00:00.000Z	20 \| good	0.931 \| good	3.714 \| good	22.144 \| good	0.96 \| good	2.732 \| good	0.143 \| good
2026-01-24T12:00:00.000Z	21 \| good	2.358 \| good	9.563 \| good	23.034 \| good	0.956 \| good	3.16 \| good	0.145 \| good
2026-01-24T13:00:00.000Z	22 \| good	2.517 \| good	10.08 \| good	24.193 \| good	1.018 \| good	3.353 \| good	0.149 \| good
2026-01-24T14:00:00.000Z	22 \| good	2.613 \| good	10.581 \| good	24.221 \| good	1.081 \| good	3.546 \| good	0.153 \| good
2026-01-24T15:00:00.000Z	22 \| good	2.362 \| good	9.805 \| good	24.11 \| good	1.143 \| good	3.739 \| good	0.156 \| good
2026-01-24T16:00:00.000Z	22 \| good	2.4 \| good	9.626 \| good	23.836 \| good	1.248 \| good	3.596 \| good	0.156 \| good
2026-01-24T17:00:00.000Z	23 \| good	1.843 \| good	7.6 \| good	24.649 \| good	1.353 \| good	3.454 \| good	0.156 \| good
2026-01-24T18:00:00.000Z	23 \| good	1.775 \| good	7.228 \| good	24.553 \| good	1.458 \| good	3.311 \| good	0.155 \| good
2026-01-24T19:00:00.000Z	23 \| good	3.32 \| good	14.553 \| good	24.63 \| good	1.56 \| good	4.039 \| good	0.157 \| good
2026-01-24T20:00:00.000Z	23 \| good	4.369 \| good	19.167 \| good	24.73 \| good	1.661 \| good	4.767 \| good	0.159 \| good
2026-01-24T21:00:00.000Z	24 \| good	1.692 \| good	7.162 \| good	26.054 \| good	1.763 \| good	5.494 \| good	0.16 \| good
2026-01-24T22:00:00.000Z	23 \| good	1.581 \| good	6.453 \| good	24.785 \| good	1.937 \| good	6.217 \| good	0.164 \| good
2026-01-24T23:00:00.000Z	24 \| good	1.528 \| good	6.119 \| good	25.601 \| good	2.111 \| good	6.939 \| good	0.168 \| good
2026-01-25T00:00:00.000Z	27 \| good	5.023 \| good	5.235 \| good	25.954 \| good	2.321 \| good	7.692 \| good	0.173 \| good
2026-01-25T01:00:00.000Z	24 \| good	0.877 \| good	3.452 \| good	25.786 \| good	2.482 \| good	7.768 \| good	0.174 \| good

Langley Park

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

0.19ppm

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 05:00:00 on 2026-01-22.

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 01:00:00 on 2026-01-22.

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

The current air quality in Langley Park, Maryland is 55, categorized as Moderate based on real-time data.

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

The most common pollutant in Langley Park, Maryland is PM10.

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 9.595 μg/m³.

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

The current PM₁₀ concentration at Langley Park, Maryland is 63.198 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 0.186 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 0.431 ppb.

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

The current ozone (O₃) concentration at Langley Park, Maryland is 36.13 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 7.436 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T03:00:00.000Z	38 \| good	6.501 \| good	28.656 \| good	17.316 \| good	2.934 \| good	19.992 \| good	0.25 \| good
2026-01-21T04:00:00.000Z	26 \| good	2.773 \| good	11.91 \| good	28.401 \| good	0.403 \| good	14.14 \| good	0.287 \| good
2026-01-21T05:00:00.000Z	21 \| good	2.961 \| good	12.861 \| good	21.271 \| good	0.64 \| good	22.067 \| good	0.367 \| good
2026-01-21T06:00:00.000Z	31 \| good	3.67 \| good	16.458 \| good	12.016 \| good	0.669 \| good	32.576 \| good	0.524 \| good
2026-01-21T07:00:00.000Z	33 \| good	3.792 \| good	16.59 \| good	10.461 \| good	0.735 \| good	35.279 \| good	0.51 \| good
2026-01-21T08:00:00.000Z	34 \| good	4.903 \| good	20.566 \| good	6.178 \| good	0.802 \| good	36.436 \| good	0.566 \| good
2026-01-21T09:00:00.000Z	35 \| good	6.227 \| good	27.187 \| good	4.144 \| good	0.522 \| good	37.241 \| good	0.501 \| good
2026-01-21T10:00:00.000Z	35 \| good	6.459 \| good	31.107 \| good	2.64 \| good	0.423 \| good	37.071 \| good	0.462 \| good
2026-01-21T11:00:00.000Z	33 \| good	6.144 \| good	26.019 \| good	3.653 \| good	0.821 \| good	34.57 \| good	0.49 \| good
2026-01-21T12:00:00.000Z	35 \| good	6.164 \| good	22.441 \| good	2.972 \| good	0.85 \| good	36.86 \| good	0.64 \| good
2026-01-21T13:00:00.000Z	38 \| good	6.901 \| good	29.399 \| good	3.746 \| good	0.861 \| good	35.926 \| good	0.705 \| good
2026-01-21T14:00:00.000Z	38 \| good	6.522 \| good	29.555 \| good	3.187 \| good	0.935 \| good	36.343 \| good	0.7 \| good
2026-01-21T15:00:00.000Z	44 \| good	7.538 \| good	32.908 \| good	6.159 \| good	1.382 \| good	33.903 \| good	0.604 \| good
2026-01-21T16:00:00.000Z	49 \| good	8.905 \| good	39.935 \| good	13.94 \| good	0.737 \| good	22.957 \| good	0.488 \| good
2026-01-21T17:00:00.000Z	44 \| good	8.164 \| good	35.04 \| good	14.127 \| good	0.656 \| good	22.6 \| good	0.477 \| good
2026-01-21T18:00:00.000Z	49 \| good	9.409 \| good	42.818 \| good	26.014 \| good	0.651 \| good	7.635 \| good	0.253 \| good
2026-01-21T19:00:00.000Z	54 \| moderate	10.58 \| good	50.753 \| good	26.006 \| good	0.729 \| good	7.624 \| good	0.177 \| good
2026-01-21T20:00:00.000Z	49 \| good	8.861 \| good	32.805 \| good	32.101 \| good	0.708 \| good	5.633 \| good	0.175 \| good
2026-01-21T21:00:00.000Z	44 \| good	7.663 \| good	34.366 \| good	34.479 \| good	0.795 \| good	5.869 \| good	0.192 \| good
2026-01-21T22:00:00.000Z	38 \| good	7.097 \| good	35.045 \| good	35.356 \| good	0.698 \| good	8.704 \| good	0.198 \| good
2026-01-21T23:00:00.000Z	38 \| good	7.303 \| good	30.323 \| good	34.313 \| good	0.578 \| good	9.613 \| good	0.198 \| good
2026-01-22T00:00:00.000Z	38 \| good	6.758 \| good	29.597 \| good	31.385 \| good	0.457 \| good	14.459 \| good	0.236 \| good
2026-01-22T01:00:00.000Z	38 \| good	7.29 \| good	31.341 \| good	29.852 \| good	0.482 \| good	14.243 \| good	0.263 \| good
2026-01-22T02:00:00.000Z	49 \| good	8.673 \| good	37.036 \| good	30.505 \| good	0.466 \| good	14.272 \| good	0.229 \| good
2026-01-22T03:00:00.000Z	49 \| good	9.002 \| good	40.19 \| good	31.366 \| good	0.458 \| good	9.927 \| good	0.198 \| good
2026-01-22T04:00:00.000Z	52 \| moderate	10.061 \| good	37.704 \| good	31.342 \| good	0.614 \| good	9.883 \| good	0.193 \| good
2026-01-22T05:00:00.000Z	49 \| good	9.251 \| good	37.375 \| good	31.175 \| good	0.913 \| good	9.646 \| good	0.193 \| good
2026-01-22T06:00:00.000Z	52 \| moderate	10.129 \| good	43.177 \| good	31.136 \| good	0.955 \| good	8.669 \| good	0.193 \| good
2026-01-22T07:00:00.000Z	52 \| moderate	10.221 \| good	41.157 \| good	31.201 \| good	0.771 \| good	9.254 \| good	0.193 \| good
2026-01-22T08:00:00.000Z	54 \| moderate	10.789 \| good	43.465 \| good	31.447 \| good	1.035 \| good	8.876 \| good	0.192 \| good
2026-01-22T09:00:00.000Z	56 \| moderate	11.897 \| good	56.294 \| fine	31.251 \| good	0.929 \| good	9.334 \| good	0.193 \| good
2026-01-22T10:00:00.000Z	60 \| moderate	14.322 \| fine	66.605 \| fine	30.224 \| good	0.927 \| good	10.112 \| good	0.198 \| good
2026-01-22T11:00:00.000Z	60 \| moderate	14.218 \| fine	59.728 \| fine	30.476 \| good	0.832 \| good	10.109 \| good	0.229 \| good
2026-01-22T12:00:00.000Z	64 \| moderate	15.55 \| fine	63.786 \| fine	29.371 \| good	0.862 \| good	12.851 \| good	0.258 \| good
2026-01-22T13:00:00.000Z	64 \| moderate	16.098 \| fine	70.289 \| fine	27.373 \| good	0.819 \| good	15.761 \| good	0.318 \| good
2026-01-22T14:00:00.000Z	66 \| moderate	17.396 \| fine	62.225 \| fine	24.973 \| good	0.894 \| good	19.092 \| good	0.319 \| good
2026-01-22T15:00:00.000Z	75 \| moderate	21.693 \| fine	84.751 \| fine	20.755 \| good	0.806 \| good	25.921 \| good	0.384 \| good
2026-01-22T16:00:00.000Z	73 \| moderate	21.016 \| fine	83.187 \| fine	25.956 \| good	0.847 \| good	18.544 \| good	0.373 \| good
2026-01-22T17:00:00.000Z	75 \| moderate	22.072 \| fine	71.371 \| fine	28.62 \| good	0.738 \| good	13.259 \| good	0.278 \| good
2026-01-22T18:00:00.000Z	69 \| moderate	19.425 \| fine	77.305 \| fine	31.882 \| good	0.638 \| good	9.17 \| good	0.247 \| good
2026-01-22T19:00:00.000Z	67 \| moderate	18.038 \| fine	78.122 \| fine	35.603 \| good	0.503 \| good	5.784 \| good	0.187 \| good
2026-01-22T20:00:00.000Z	60 \| moderate	13.817 \| fine	57.416 \| fine	37.577 \| good	0.46 \| good	5.652 \| good	0.18 \| good
2026-01-22T21:00:00.000Z	56 \| moderate	12.398 \| fine	50.72 \| good	41.059 \| good	0.479 \| good	3.676 \| good	0.18 \| good
2026-01-22T22:00:00.000Z	55 \| moderate	11.371 \| good	62.851 \| fine	40.067 \| good	0.501 \| good	4.633 \| good	0.18 \| good
2026-01-22T23:00:00.000Z	56 \| moderate	12.12 \| fine	55.696 \| fine	39.477 \| good	0.524 \| good	5.164 \| good	0.18 \| good
2026-01-23T00:00:00.000Z	60 \| moderate	14.12 \| fine	64.473 \| fine	36.917 \| good	0.439 \| good	7.674 \| good	0.18 \| good
2026-01-23T01:00:00.000Z	57 \| moderate	11.613 \| good	68.193 \| fine	36.367 \| good	0.434 \| good	7.527 \| good	0.189 \| good
2026-01-23T02:00:00.000Z	60 \| moderate	14.395 \| fine	69.918 \| fine	35.261 \| good	0.514 \| good	9.392 \| good	0.18 \| good
2026-01-23T02:00:00.000Z	58 \| moderate	13.019 \| fine	65.347 \| fine	34.971 \| good	0.511 \| good	9.267 \| good	0.176 \| good
2026-01-23T02:00:00.000Z	28 \| good	3.188 \| good	13.669 \| good	29.51 \| good	3.345 \| good	24.668 \| good	0.315 \| good
2026-01-23T03:00:00.000Z	27 \| good	3.503 \| good	15.345 \| good	28.645 \| good	3.525 \| good	26.043 \| good	0.326 \| good
2026-01-23T04:00:00.000Z	23 \| good	4.124 \| good	18.218 \| good	22.624 \| good	3.485 \| good	24.108 \| good	0.307 \| good
2026-01-23T05:00:00.000Z	33 \| good	5.597 \| good	24.048 \| good	18.457 \| good	3.446 \| good	22.173 \| good	0.289 \| good
2026-01-23T06:00:00.000Z	38 \| good	7.121 \| good	31.679 \| good	12.341 \| good	3.406 \| good	20.238 \| good	0.27 \| good
2026-01-23T07:00:00.000Z	38 \| good	7.472 \| good	32.786 \| good	10.226 \| good	3.429 \| good	17.74 \| good	0.254 \| good
2026-01-23T08:00:00.000Z	38 \| good	7.482 \| good	32.915 \| good	8.74 \| good	3.451 \| good	15.241 \| good	0.238 \| good
2026-01-23T09:00:00.000Z	44 \| good	8.083 \| good	35.279 \| good	8.002 \| good	3.474 \| good	12.743 \| good	0.222 \| good
2026-01-23T10:00:00.000Z	49 \| good	8.665 \| good	38.135 \| good	6.629 \| good	3.778 \| good	15.666 \| good	0.249 \| good
2026-01-23T11:00:00.000Z	49 \| good	9.258 \| good	40.898 \| good	3.177 \| good	4.081 \| good	18.59 \| good	0.276 \| good
2026-01-23T12:00:00.000Z	54 \| moderate	10.582 \| good	46.906 \| good	2.078 \| good	4.384 \| good	21.513 \| good	0.303 \| good
2026-01-23T13:00:00.000Z	56 \| moderate	11.851 \| good	52.629 \| good	6.854 \| good	4.288 \| good	19.676 \| good	0.309 \| good
2026-01-23T14:00:00.000Z	56 \| moderate	11.671 \| good	51.6 \| good	14.319 \| good	4.192 \| good	17.84 \| good	0.315 \| good
2026-01-23T15:00:00.000Z	56 \| moderate	11.586 \| good	51.181 \| good	21.028 \| good	4.096 \| good	16.003 \| good	0.321 \| good
2026-01-23T16:00:00.000Z	38 \| good	7.438 \| good	32.9 \| good	28.929 \| good	3.752 \| good	12.122 \| good	0.275 \| good
2026-01-23T17:00:00.000Z	31 \| good	4.443 \| good	19.5 \| good	33.806 \| good	3.408 \| good	8.24 \| good	0.229 \| good
2026-01-23T18:00:00.000Z	33 \| good	4.402 \| good	19.297 \| good	36.132 \| good	3.064 \| good	4.359 \| good	0.182 \| good
2026-01-23T19:00:00.000Z	33 \| good	4.848 \| good	20.913 \| good	35.621 \| good	3.074 \| good	4.511 \| good	0.182 \| good
2026-01-23T20:00:00.000Z	34 \| good	5.668 \| good	24.508 \| good	36.853 \| good	3.084 \| good	4.663 \| good	0.183 \| good
2026-01-23T21:00:00.000Z	34 \| good	3.541 \| good	15.239 \| good	37.195 \| good	3.094 \| good	4.816 \| good	0.183 \| good
2026-01-23T22:00:00.000Z	33 \| good	1.632 \| good	6.878 \| good	35.778 \| good	2.78 \| good	5.119 \| good	0.176 \| good
2026-01-23T23:00:00.000Z	30 \| good	1.951 \| good	7.997 \| good	32.163 \| good	2.465 \| good	5.423 \| good	0.17 \| good
2026-01-24T00:00:00.000Z	29 \| good	1.634 \| good	6.582 \| good	31.42 \| good	2.15 \| good	5.726 \| good	0.164 \| good
2026-01-24T01:00:00.000Z	31 \| good	1.216 \| good	4.949 \| good	32.826 \| good	2.064 \| good	5.242 \| good	0.161 \| good
2026-01-24T02:00:00.000Z	31 \| good	0.572 \| good	2.303 \| good	33.316 \| good	1.978 \| good	4.757 \| good	0.159 \| good
2026-01-24T03:00:00.000Z	30 \| good	1.165 \| good	4.83 \| good	31.688 \| good	1.892 \| good	4.272 \| good	0.156 \| good
2026-01-24T04:00:00.000Z	26 \| good	1.008 \| good	4.254 \| good	27.978 \| good	1.692 \| good	3.607 \| good	0.151 \| good
2026-01-24T05:00:00.000Z	25 \| good	1.45 \| good	5.703 \| good	27.351 \| good	1.492 \| good	2.941 \| good	0.146 \| good
2026-01-24T06:00:00.000Z	23 \| good	2.357 \| good	9.541 \| good	25.239 \| good	1.291 \| good	2.276 \| good	0.14 \| good
2026-01-24T07:00:00.000Z	22 \| good	1.6 \| good	6.497 \| good	23.685 \| good	1.184 \| good	2.142 \| good	0.14 \| good
2026-01-24T08:00:00.000Z	22 \| good	1.129 \| good	4.583 \| good	23.856 \| good	1.076 \| good	2.009 \| good	0.139 \| good
2026-01-24T09:00:00.000Z	20 \| good	1.908 \| good	7.815 \| good	22.494 \| good	0.969 \| good	1.875 \| good	0.138 \| good
2026-01-24T10:00:00.000Z	20 \| good	1.552 \| good	6.195 \| good	22.278 \| good	0.965 \| good	2.304 \| good	0.14 \| good
2026-01-24T11:00:00.000Z	20 \| good	0.931 \| good	3.714 \| good	22.144 \| good	0.96 \| good	2.732 \| good	0.143 \| good
2026-01-24T12:00:00.000Z	21 \| good	2.358 \| good	9.563 \| good	23.034 \| good	0.956 \| good	3.16 \| good	0.145 \| good
2026-01-24T13:00:00.000Z	22 \| good	2.517 \| good	10.08 \| good	24.193 \| good	1.018 \| good	3.353 \| good	0.149 \| good
2026-01-24T14:00:00.000Z	22 \| good	2.613 \| good	10.581 \| good	24.221 \| good	1.081 \| good	3.546 \| good	0.153 \| good
2026-01-24T15:00:00.000Z	22 \| good	2.362 \| good	9.805 \| good	24.11 \| good	1.143 \| good	3.739 \| good	0.156 \| good
2026-01-24T16:00:00.000Z	22 \| good	2.4 \| good	9.626 \| good	23.836 \| good	1.248 \| good	3.596 \| good	0.156 \| good
2026-01-24T17:00:00.000Z	23 \| good	1.843 \| good	7.6 \| good	24.649 \| good	1.353 \| good	3.454 \| good	0.156 \| good
2026-01-24T18:00:00.000Z	23 \| good	1.775 \| good	7.228 \| good	24.553 \| good	1.458 \| good	3.311 \| good	0.155 \| good
2026-01-24T19:00:00.000Z	23 \| good	3.32 \| good	14.553 \| good	24.63 \| good	1.56 \| good	4.039 \| good	0.157 \| good
2026-01-24T20:00:00.000Z	23 \| good	4.369 \| good	19.167 \| good	24.73 \| good	1.661 \| good	4.767 \| good	0.159 \| good
2026-01-24T21:00:00.000Z	24 \| good	1.692 \| good	7.162 \| good	26.054 \| good	1.763 \| good	5.494 \| good	0.16 \| good
2026-01-24T22:00:00.000Z	23 \| good	1.581 \| good	6.453 \| good	24.785 \| good	1.937 \| good	6.217 \| good	0.164 \| good
2026-01-24T23:00:00.000Z	24 \| good	1.528 \| good	6.119 \| good	25.601 \| good	2.111 \| good	6.939 \| good	0.168 \| good
2026-01-25T00:00:00.000Z	27 \| good	5.023 \| good	5.235 \| good	25.954 \| good	2.321 \| good	7.692 \| good	0.173 \| good
2026-01-25T01:00:00.000Z	24 \| good	0.877 \| good	3.452 \| good	25.786 \| good	2.482 \| good	7.768 \| good	0.174 \| 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?