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

The current PM10 concentration at Langley Park, Maryland is 54.056 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 0.496 ppb.

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

The current ozone (O3) concentration at Langley Park, Maryland is 42.705 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 19.673 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 11.98 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)

11.98 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

54.06 μg/m³

155

255

425

605+

Ozone (O₃)

42.70 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

19.67 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.44 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Very high

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
2026-04-22T06:00:00.000Z	39 \| good	4.115 \| good	17.392 \| good	42.213 \| good	0.379 \| good	7.294 \| good	0.181 \| good
2026-04-22T07:00:00.000Z	40 \| good	4.2 \| good	19.211 \| good	43.001 \| good	0.418 \| good	3.368 \| good	0.144 \| good
2026-04-22T08:00:00.000Z	40 \| good	3.965 \| good	16.472 \| good	42.77 \| good	0.38 \| good	4.285 \| good	0.15 \| good
2026-04-22T09:00:00.000Z	40 \| good	4.341 \| good	16.271 \| good	42.989 \| good	0.411 \| good	5.819 \| good	0.181 \| good
2026-04-22T10:00:00.000Z	41 \| good	4.903 \| good	21.095 \| good	44.403 \| good	0.372 \| good	4.697 \| good	0.213 \| good
2026-04-22T11:00:00.000Z	41 \| good	4.572 \| good	20.261 \| good	44.195 \| good	0.366 \| good	6.192 \| good	0.213 \| good
2026-04-22T12:00:00.000Z	39 \| good	5.24 \| good	22.364 \| good	42.149 \| good	0.475 \| good	7.564 \| good	0.224 \| good
2026-04-22T13:00:00.000Z	37 \| good	4.712 \| good	20.34 \| good	39.628 \| good	0.736 \| good	9.975 \| good	0.192 \| good
2026-04-22T14:00:00.000Z	36 \| good	5.155 \| good	22.007 \| good	38.716 \| good	1.104 \| good	12.448 \| good	0.255 \| good
2026-04-22T15:00:00.000Z	35 \| good	5.702 \| good	26.424 \| good	38.499 \| good	0.948 \| good	10.721 \| good	0.244 \| good
2026-04-22T16:00:00.000Z	49 \| good	9.407 \| good	37.351 \| good	38.413 \| good	0.648 \| good	11.11 \| good	0.255 \| good
2026-04-22T17:00:00.000Z	49 \| good	9.472 \| good	36.709 \| good	34.114 \| good	0.539 \| good	12.896 \| good	0.25 \| good
2026-04-22T18:00:00.000Z	44 \| good	8.027 \| good	33.734 \| good	35.889 \| good	0.735 \| good	15.51 \| good	0.357 \| good
2026-04-22T19:00:00.000Z	44 \| good	8.047 \| good	36.782 \| good	42.714 \| good	0.773 \| good	11.578 \| good	0.25 \| good
2026-04-22T20:00:00.000Z	44 \| good	8.077 \| good	34.323 \| good	43.607 \| good	0.736 \| good	10.165 \| good	0.242 \| good
2026-04-22T21:00:00.000Z	44 \| good	8.329 \| good	34.522 \| good	47.372 \| good	0.541 \| good	6.575 \| good	0.242 \| good
2026-04-22T22:00:00.000Z	49 \| good	9.023 \| good	42.23 \| good	50.208 \| good	0.568 \| good	5.146 \| good	0.242 \| good
2026-04-22T23:00:00.000Z	49 \| good	8.482 \| good	38.988 \| good	53.44 \| good	0.577 \| good	5.109 \| good	0.247 \| good
2026-04-23T00:00:00.000Z	49 \| good	8.634 \| good	39.649 \| good	50.748 \| good	0.534 \| good	7.395 \| good	0.279 \| good
2026-04-23T01:00:00.000Z	44 \| good	8.463 \| good	38.189 \| good	47.852 \| good	0.457 \| good	10.356 \| good	0.344 \| good
2026-04-23T02:00:00.000Z	49 \| good	9.352 \| good	40.679 \| good	40.751 \| good	0.41 \| good	15.109 \| good	0.42 \| good
2026-04-23T03:00:00.000Z	49 \| good	9.38 \| good	36.149 \| good	35.958 \| good	0.417 \| good	18.575 \| good	0.47 \| good
2026-04-23T04:00:00.000Z	54 \| moderate	10.644 \| good	40.806 \| good	31.157 \| good	0.428 \| good	18.18 \| good	0.48 \| good
2026-04-23T05:00:00.000Z	52 \| moderate	9.92 \| good	43.521 \| good	24.782 \| good	0.428 \| good	20.679 \| good	0.496 \| good
2026-04-23T06:00:00.000Z	49 \| good	9.48 \| good	38.977 \| good	22.785 \| good	0.377 \| good	13.652 \| good	0.476 \| good
2026-04-23T07:00:00.000Z	49 \| good	9.424 \| good	34.733 \| good	30.977 \| good	0.407 \| good	10.748 \| good	0.27 \| good
2026-04-23T08:00:00.000Z	49 \| good	9.341 \| good	42.6 \| good	34.035 \| good	0.372 \| good	5.144 \| good	0.16 \| good
2026-04-23T09:00:00.000Z	49 \| good	8.983 \| good	37.355 \| good	34.016 \| good	0.37 \| good	5.998 \| good	0.192 \| good
2026-04-23T10:00:00.000Z	49 \| good	8.852 \| good	36.497 \| good	30.41 \| good	0.355 \| good	9.685 \| good	0.368 \| good
2026-04-23T11:00:00.000Z	49 \| good	8.575 \| good	34.024 \| good	32.324 \| good	0.37 \| good	11.647 \| good	0.405 \| good
2026-04-23T12:00:00.000Z	49 \| good	9.494 \| good	47.859 \| good	32.187 \| good	0.393 \| good	14.435 \| good	0.473 \| good
2026-04-23T13:00:00.000Z	49 \| good	9.198 \| good	33.641 \| good	29.105 \| good	0.498 \| good	18.976 \| good	0.447 \| good
2026-04-23T14:00:00.000Z	54 \| moderate	11.43 \| good	50.845 \| good	29.282 \| good	0.597 \| good	17.458 \| good	0.428 \| good
2026-04-23T15:00:00.000Z	56 \| moderate	12.165 \| fine	55.772 \| fine	34.632 \| good	0.645 \| good	13.946 \| good	0.32 \| good
2026-04-23T16:00:00.000Z	49 \| good	8.858 \| good	36.449 \| good	46.165 \| good	0.706 \| good	5.341 \| good	0.236 \| good
2026-04-23T17:00:00.000Z	52 \| moderate	9.747 \| good	38.34 \| good	50.231 \| good	0.817 \| good	4.015 \| good	0.205 \| good
2026-04-23T18:00:00.000Z	54 \| moderate	10.471 \| good	43.837 \| good	55.575 \| fine	0.717 \| good	2.767 \| good	0.205 \| good
2026-04-23T19:00:00.000Z	67 \| moderate	10.542 \| good	45.533 \| good	60.161 \| fine	0.753 \| good	2.805 \| good	0.205 \| good
2026-04-23T20:00:00.000Z	74 \| moderate	10.127 \| good	46.407 \| good	62.003 \| fine	0.612 \| good	4.346 \| good	0.186 \| good
2026-04-23T21:00:00.000Z	67 \| moderate	9.411 \| good	42.455 \| good	60.416 \| fine	0.722 \| good	2.233 \| good	0.186 \| good
2026-04-23T22:00:00.000Z	74 \| moderate	8.151 \| good	38.072 \| good	61.91 \| fine	0.597 \| good	1.792 \| good	0.16 \| good
2026-04-23T23:00:00.000Z	71 \| moderate	8.699 \| good	33.317 \| good	61.379 \| fine	0.594 \| good	1.642 \| good	0.16 \| good
2026-04-24T00:00:00.000Z	74 \| moderate	7.94 \| good	34.362 \| good	61.899 \| fine	0.632 \| good	2.029 \| good	0.16 \| good
2026-04-24T01:00:00.000Z	64 \| moderate	8.126 \| good	36.977 \| good	59.019 \| fine	0.656 \| good	3.511 \| good	0.224 \| good
2026-04-24T02:00:00.000Z	51 \| moderate	8.356 \| good	37.106 \| good	54.965 \| good	0.579 \| good	9.51 \| good	0.357 \| good
2026-04-24T03:00:00.000Z	54 \| moderate	11.403 \| good	50.528 \| good	25.646 \| good	2.349 \| good	17.586 \| good	0.304 \| good
2026-04-24T04:00:00.000Z	56 \| moderate	11.98 \| good	54.056 \| good	42.705 \| good	0.496 \| good	19.673 \| good	0.443 \| good
2026-04-24T05:00:00.000Z	56 \| moderate	11.98 \| good	54.056 \| good	42.705 \| good	0.496 \| good	19.673 \| good	0.443 \| good
2026-04-24T06:00:00.000Z	56 \| moderate	11.848 \| good	52.502 \| good	16.457 \| good	2.779 \| good	12.855 \| good	0.284 \| good
2026-04-24T07:00:00.000Z	52 \| moderate	9.555 \| good	42.347 \| good	12.815 \| good	2.589 \| good	11.682 \| good	0.269 \| good
2026-04-24T08:00:00.000Z	44 \| good	7.627 \| good	33.327 \| good	10.225 \| good	2.4 \| good	10.508 \| good	0.254 \| good
2026-04-24T09:00:00.000Z	27 \| good	5.42 \| good	23.257 \| good	9.477 \| good	2.21 \| good	9.334 \| good	0.239 \| good
2026-04-24T10:00:00.000Z	27 \| good	5.496 \| good	23.766 \| good	7.841 \| good	2.126 \| good	9.272 \| good	0.234 \| good
2026-04-24T11:00:00.000Z	22 \| good	3.671 \| good	16.084 \| good	14.091 \| good	2.042 \| good	9.21 \| good	0.229 \| good
2026-04-24T12:00:00.000Z	27 \| good	5.173 \| good	22.459 \| good	21.887 \| good	1.958 \| good	9.148 \| good	0.224 \| good
2026-04-24T13:00:00.000Z	28 \| good	4.586 \| good	19.879 \| good	29.997 \| good	2.097 \| good	7.981 \| good	0.212 \| good
2026-04-24T14:00:00.000Z	44 \| good	7.784 \| good	34.212 \| good	33.328 \| good	2.237 \| good	6.815 \| good	0.199 \| good
2026-04-24T15:00:00.000Z	44 \| good	8.472 \| good	37.22 \| good	35.348 \| good	2.376 \| good	5.648 \| good	0.187 \| good
2026-04-24T16:00:00.000Z	52 \| moderate	9.52 \| good	42.189 \| good	49.084 \| good	2.512 \| good	4.811 \| good	0.184 \| good
2026-04-24T17:00:00.000Z	64 \| moderate	8.514 \| good	37.404 \| good	59.475 \| fine	2.648 \| good	3.974 \| good	0.18 \| good
2026-04-24T18:00:00.000Z	77 \| moderate	8.942 \| good	39.647 \| good	62.547 \| fine	2.784 \| good	3.137 \| good	0.177 \| good
2026-04-24T19:00:00.000Z	64 \| moderate	8.409 \| good	36.891 \| good	59.003 \| fine	2.77 \| good	3.145 \| good	0.178 \| good
2026-04-24T20:00:00.000Z	51 \| moderate	7.327 \| good	32.108 \| good	54.633 \| good	2.757 \| good	3.153 \| good	0.18 \| good
2026-04-24T21:00:00.000Z	54 \| moderate	7.493 \| good	32.861 \| good	55.938 \| fine	2.743 \| good	3.16 \| good	0.181 \| good
2026-04-24T22:00:00.000Z	50 \| good	8.021 \| good	34.966 \| good	54.064 \| good	2.617 \| good	5.858 \| good	0.199 \| good
2026-04-24T23:00:00.000Z	47 \| good	6.088 \| good	27.08 \| good	51.337 \| good	2.49 \| good	8.556 \| good	0.216 \| good
2026-04-25T00:00:00.000Z	44 \| good	6.01 \| good	26.909 \| good	47.154 \| good	2.364 \| good	11.253 \| good	0.233 \| good
2026-04-25T01:00:00.000Z	36 \| good	5.821 \| good	25.546 \| good	39.3 \| good	2.143 \| good	10.919 \| good	0.227 \| good
2026-04-25T02:00:00.000Z	38 \| good	6.63 \| good	29.472 \| good	33.365 \| good	1.921 \| good	10.585 \| good	0.221 \| good
2026-04-25T03:00:00.000Z	38 \| good	6.679 \| good	29.819 \| good	32.785 \| good	1.7 \| good	10.251 \| good	0.215 \| good
2026-04-25T04:00:00.000Z	33 \| good	5.901 \| good	25.966 \| good	33.514 \| good	1.541 \| good	9.408 \| good	0.207 \| good
2026-04-25T05:00:00.000Z	31 \| good	4.625 \| good	20.065 \| good	33.249 \| good	1.382 \| good	8.565 \| good	0.199 \| good
2026-04-25T06:00:00.000Z	31 \| good	4.228 \| good	18.454 \| good	32.929 \| good	1.223 \| good	7.722 \| good	0.192 \| good
2026-04-25T07:00:00.000Z	29 \| good	4.182 \| good	18.298 \| good	31.238 \| good	1.16 \| good	6.578 \| good	0.179 \| good
2026-04-25T08:00:00.000Z	27 \| good	4.363 \| good	19.002 \| good	29.266 \| good	1.097 \| good	5.435 \| good	0.166 \| good
2026-04-25T09:00:00.000Z	23 \| good	3.257 \| good	13.926 \| good	25.182 \| good	1.034 \| good	4.292 \| good	0.153 \| good
2026-04-25T10:00:00.000Z	22 \| good	3.7 \| good	16.094 \| good	19.681 \| good	1.018 \| good	4.077 \| good	0.152 \| good
2026-04-25T11:00:00.000Z	23 \| good	3.79 \| good	16.604 \| good	24.876 \| good	1.001 \| good	3.861 \| good	0.151 \| good
2026-04-25T12:00:00.000Z	28 \| good	4.849 \| good	21.058 \| good	30.236 \| good	0.984 \| good	3.646 \| good	0.15 \| good
2026-04-25T13:00:00.000Z	33 \| good	6.013 \| good	26.425 \| good	34.431 \| good	1.024 \| good	3.17 \| good	0.15 \| good
2026-04-25T14:00:00.000Z	52 \| moderate	9.54 \| good	42.127 \| good	35.229 \| good	1.064 \| good	2.694 \| good	0.151 \| good
2026-04-25T15:00:00.000Z	52 \| moderate	10.26 \| good	45.632 \| good	33.814 \| good	1.105 \| good	2.219 \| good	0.151 \| good
2026-04-25T16:00:00.000Z	52 \| moderate	10.205 \| good	45.237 \| good	45.233 \| good	1.07 \| good	1.877 \| good	0.149 \| good
2026-04-25T17:00:00.000Z	51 \| moderate	7.235 \| good	31.952 \| good	54.811 \| good	1.035 \| good	1.536 \| good	0.147 \| good
2026-04-25T18:00:00.000Z	51 \| moderate	6.702 \| good	29.77 \| good	54.857 \| good	1.001 \| good	1.194 \| good	0.145 \| good
2026-04-25T19:00:00.000Z	61 \| moderate	7.694 \| good	33.835 \| good	57.713 \| fine	0.947 \| good	1.377 \| good	0.145 \| good
2026-04-25T20:00:00.000Z	61 \| moderate	8.423 \| good	37.03 \| good	57.748 \| fine	0.893 \| good	1.559 \| good	0.145 \| good
2026-04-25T21:00:00.000Z	61 \| moderate	6.969 \| good	30.965 \| good	58.188 \| fine	0.839 \| good	1.741 \| good	0.145 \| good
2026-04-25T22:00:00.000Z	51 \| moderate	6.24 \| good	27.475 \| good	54.863 \| good	0.845 \| good	2.829 \| good	0.152 \| good
2026-04-25T23:00:00.000Z	43 \| good	5.656 \| good	24.107 \| good	45.836 \| good	0.85 \| good	3.916 \| good	0.158 \| good
2026-04-26T00:00:00.000Z	56 \| moderate	12.064 \| good	13.755 \| good	47.473 \| good	0.845 \| good	4.983 \| good	0.165 \| good
2026-04-26T01:00:00.000Z	30 \| good	5.068 \| good	21.935 \| good	32.438 \| good	0.851 \| good	4.792 \| good	0.163 \| good
2026-04-26T02:00:00.000Z	26 \| good	4.176 \| good	18.48 \| good	28.17 \| good	0.846 \| good	4.581 \| good	0.161 \| good
2026-04-26T03:00:00.000Z	23 \| good	2.964 \| good	12.413 \| good	24.977 \| good	0.841 \| good	4.369 \| good	0.159 \| good
2026-04-26T04:00:00.000Z	25 \| good	3.081 \| good	12.933 \| good	26.788 \| good	0.793 \| good	3.86 \| good	0.156 \| good
2026-04-26T05:00:00.000Z	27 \| good	2.704 \| good	10.943 \| good	28.914 \| good	0.745 \| good	3.35 \| good	0.153 \| good

Langley Park

Get reliable air quality data to drive your business

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

0.48ppm

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 12:00:00 on 2026-04-24.

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 04:00:00 on 2026-04-23.

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

The current air quality in Langley Park, Maryland is 56, 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 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 11.98 μg/m³.

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

The current PM₁₀ concentration at Langley Park, Maryland is 54.056 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 0.443 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 0.496 ppb.

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

The current ozone (O₃) concentration at Langley Park, Maryland is 42.705 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 19.673 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T06:00:00.000Z	39 \| good	4.115 \| good	17.392 \| good	42.213 \| good	0.379 \| good	7.294 \| good	0.181 \| good
2026-04-22T07:00:00.000Z	40 \| good	4.2 \| good	19.211 \| good	43.001 \| good	0.418 \| good	3.368 \| good	0.144 \| good
2026-04-22T08:00:00.000Z	40 \| good	3.965 \| good	16.472 \| good	42.77 \| good	0.38 \| good	4.285 \| good	0.15 \| good
2026-04-22T09:00:00.000Z	40 \| good	4.341 \| good	16.271 \| good	42.989 \| good	0.411 \| good	5.819 \| good	0.181 \| good
2026-04-22T10:00:00.000Z	41 \| good	4.903 \| good	21.095 \| good	44.403 \| good	0.372 \| good	4.697 \| good	0.213 \| good
2026-04-22T11:00:00.000Z	41 \| good	4.572 \| good	20.261 \| good	44.195 \| good	0.366 \| good	6.192 \| good	0.213 \| good
2026-04-22T12:00:00.000Z	39 \| good	5.24 \| good	22.364 \| good	42.149 \| good	0.475 \| good	7.564 \| good	0.224 \| good
2026-04-22T13:00:00.000Z	37 \| good	4.712 \| good	20.34 \| good	39.628 \| good	0.736 \| good	9.975 \| good	0.192 \| good
2026-04-22T14:00:00.000Z	36 \| good	5.155 \| good	22.007 \| good	38.716 \| good	1.104 \| good	12.448 \| good	0.255 \| good
2026-04-22T15:00:00.000Z	35 \| good	5.702 \| good	26.424 \| good	38.499 \| good	0.948 \| good	10.721 \| good	0.244 \| good
2026-04-22T16:00:00.000Z	49 \| good	9.407 \| good	37.351 \| good	38.413 \| good	0.648 \| good	11.11 \| good	0.255 \| good
2026-04-22T17:00:00.000Z	49 \| good	9.472 \| good	36.709 \| good	34.114 \| good	0.539 \| good	12.896 \| good	0.25 \| good
2026-04-22T18:00:00.000Z	44 \| good	8.027 \| good	33.734 \| good	35.889 \| good	0.735 \| good	15.51 \| good	0.357 \| good
2026-04-22T19:00:00.000Z	44 \| good	8.047 \| good	36.782 \| good	42.714 \| good	0.773 \| good	11.578 \| good	0.25 \| good
2026-04-22T20:00:00.000Z	44 \| good	8.077 \| good	34.323 \| good	43.607 \| good	0.736 \| good	10.165 \| good	0.242 \| good
2026-04-22T21:00:00.000Z	44 \| good	8.329 \| good	34.522 \| good	47.372 \| good	0.541 \| good	6.575 \| good	0.242 \| good
2026-04-22T22:00:00.000Z	49 \| good	9.023 \| good	42.23 \| good	50.208 \| good	0.568 \| good	5.146 \| good	0.242 \| good
2026-04-22T23:00:00.000Z	49 \| good	8.482 \| good	38.988 \| good	53.44 \| good	0.577 \| good	5.109 \| good	0.247 \| good
2026-04-23T00:00:00.000Z	49 \| good	8.634 \| good	39.649 \| good	50.748 \| good	0.534 \| good	7.395 \| good	0.279 \| good
2026-04-23T01:00:00.000Z	44 \| good	8.463 \| good	38.189 \| good	47.852 \| good	0.457 \| good	10.356 \| good	0.344 \| good
2026-04-23T02:00:00.000Z	49 \| good	9.352 \| good	40.679 \| good	40.751 \| good	0.41 \| good	15.109 \| good	0.42 \| good
2026-04-23T03:00:00.000Z	49 \| good	9.38 \| good	36.149 \| good	35.958 \| good	0.417 \| good	18.575 \| good	0.47 \| good
2026-04-23T04:00:00.000Z	54 \| moderate	10.644 \| good	40.806 \| good	31.157 \| good	0.428 \| good	18.18 \| good	0.48 \| good
2026-04-23T05:00:00.000Z	52 \| moderate	9.92 \| good	43.521 \| good	24.782 \| good	0.428 \| good	20.679 \| good	0.496 \| good
2026-04-23T06:00:00.000Z	49 \| good	9.48 \| good	38.977 \| good	22.785 \| good	0.377 \| good	13.652 \| good	0.476 \| good
2026-04-23T07:00:00.000Z	49 \| good	9.424 \| good	34.733 \| good	30.977 \| good	0.407 \| good	10.748 \| good	0.27 \| good
2026-04-23T08:00:00.000Z	49 \| good	9.341 \| good	42.6 \| good	34.035 \| good	0.372 \| good	5.144 \| good	0.16 \| good
2026-04-23T09:00:00.000Z	49 \| good	8.983 \| good	37.355 \| good	34.016 \| good	0.37 \| good	5.998 \| good	0.192 \| good
2026-04-23T10:00:00.000Z	49 \| good	8.852 \| good	36.497 \| good	30.41 \| good	0.355 \| good	9.685 \| good	0.368 \| good
2026-04-23T11:00:00.000Z	49 \| good	8.575 \| good	34.024 \| good	32.324 \| good	0.37 \| good	11.647 \| good	0.405 \| good
2026-04-23T12:00:00.000Z	49 \| good	9.494 \| good	47.859 \| good	32.187 \| good	0.393 \| good	14.435 \| good	0.473 \| good
2026-04-23T13:00:00.000Z	49 \| good	9.198 \| good	33.641 \| good	29.105 \| good	0.498 \| good	18.976 \| good	0.447 \| good
2026-04-23T14:00:00.000Z	54 \| moderate	11.43 \| good	50.845 \| good	29.282 \| good	0.597 \| good	17.458 \| good	0.428 \| good
2026-04-23T15:00:00.000Z	56 \| moderate	12.165 \| fine	55.772 \| fine	34.632 \| good	0.645 \| good	13.946 \| good	0.32 \| good
2026-04-23T16:00:00.000Z	49 \| good	8.858 \| good	36.449 \| good	46.165 \| good	0.706 \| good	5.341 \| good	0.236 \| good
2026-04-23T17:00:00.000Z	52 \| moderate	9.747 \| good	38.34 \| good	50.231 \| good	0.817 \| good	4.015 \| good	0.205 \| good
2026-04-23T18:00:00.000Z	54 \| moderate	10.471 \| good	43.837 \| good	55.575 \| fine	0.717 \| good	2.767 \| good	0.205 \| good
2026-04-23T19:00:00.000Z	67 \| moderate	10.542 \| good	45.533 \| good	60.161 \| fine	0.753 \| good	2.805 \| good	0.205 \| good
2026-04-23T20:00:00.000Z	74 \| moderate	10.127 \| good	46.407 \| good	62.003 \| fine	0.612 \| good	4.346 \| good	0.186 \| good
2026-04-23T21:00:00.000Z	67 \| moderate	9.411 \| good	42.455 \| good	60.416 \| fine	0.722 \| good	2.233 \| good	0.186 \| good
2026-04-23T22:00:00.000Z	74 \| moderate	8.151 \| good	38.072 \| good	61.91 \| fine	0.597 \| good	1.792 \| good	0.16 \| good
2026-04-23T23:00:00.000Z	71 \| moderate	8.699 \| good	33.317 \| good	61.379 \| fine	0.594 \| good	1.642 \| good	0.16 \| good
2026-04-24T00:00:00.000Z	74 \| moderate	7.94 \| good	34.362 \| good	61.899 \| fine	0.632 \| good	2.029 \| good	0.16 \| good
2026-04-24T01:00:00.000Z	64 \| moderate	8.126 \| good	36.977 \| good	59.019 \| fine	0.656 \| good	3.511 \| good	0.224 \| good
2026-04-24T02:00:00.000Z	51 \| moderate	8.356 \| good	37.106 \| good	54.965 \| good	0.579 \| good	9.51 \| good	0.357 \| good
2026-04-24T03:00:00.000Z	54 \| moderate	11.403 \| good	50.528 \| good	25.646 \| good	2.349 \| good	17.586 \| good	0.304 \| good
2026-04-24T04:00:00.000Z	56 \| moderate	11.98 \| good	54.056 \| good	42.705 \| good	0.496 \| good	19.673 \| good	0.443 \| good
2026-04-24T05:00:00.000Z	56 \| moderate	11.98 \| good	54.056 \| good	42.705 \| good	0.496 \| good	19.673 \| good	0.443 \| good
2026-04-24T06:00:00.000Z	56 \| moderate	11.848 \| good	52.502 \| good	16.457 \| good	2.779 \| good	12.855 \| good	0.284 \| good
2026-04-24T07:00:00.000Z	52 \| moderate	9.555 \| good	42.347 \| good	12.815 \| good	2.589 \| good	11.682 \| good	0.269 \| good
2026-04-24T08:00:00.000Z	44 \| good	7.627 \| good	33.327 \| good	10.225 \| good	2.4 \| good	10.508 \| good	0.254 \| good
2026-04-24T09:00:00.000Z	27 \| good	5.42 \| good	23.257 \| good	9.477 \| good	2.21 \| good	9.334 \| good	0.239 \| good
2026-04-24T10:00:00.000Z	27 \| good	5.496 \| good	23.766 \| good	7.841 \| good	2.126 \| good	9.272 \| good	0.234 \| good
2026-04-24T11:00:00.000Z	22 \| good	3.671 \| good	16.084 \| good	14.091 \| good	2.042 \| good	9.21 \| good	0.229 \| good
2026-04-24T12:00:00.000Z	27 \| good	5.173 \| good	22.459 \| good	21.887 \| good	1.958 \| good	9.148 \| good	0.224 \| good
2026-04-24T13:00:00.000Z	28 \| good	4.586 \| good	19.879 \| good	29.997 \| good	2.097 \| good	7.981 \| good	0.212 \| good
2026-04-24T14:00:00.000Z	44 \| good	7.784 \| good	34.212 \| good	33.328 \| good	2.237 \| good	6.815 \| good	0.199 \| good
2026-04-24T15:00:00.000Z	44 \| good	8.472 \| good	37.22 \| good	35.348 \| good	2.376 \| good	5.648 \| good	0.187 \| good
2026-04-24T16:00:00.000Z	52 \| moderate	9.52 \| good	42.189 \| good	49.084 \| good	2.512 \| good	4.811 \| good	0.184 \| good
2026-04-24T17:00:00.000Z	64 \| moderate	8.514 \| good	37.404 \| good	59.475 \| fine	2.648 \| good	3.974 \| good	0.18 \| good
2026-04-24T18:00:00.000Z	77 \| moderate	8.942 \| good	39.647 \| good	62.547 \| fine	2.784 \| good	3.137 \| good	0.177 \| good
2026-04-24T19:00:00.000Z	64 \| moderate	8.409 \| good	36.891 \| good	59.003 \| fine	2.77 \| good	3.145 \| good	0.178 \| good
2026-04-24T20:00:00.000Z	51 \| moderate	7.327 \| good	32.108 \| good	54.633 \| good	2.757 \| good	3.153 \| good	0.18 \| good
2026-04-24T21:00:00.000Z	54 \| moderate	7.493 \| good	32.861 \| good	55.938 \| fine	2.743 \| good	3.16 \| good	0.181 \| good
2026-04-24T22:00:00.000Z	50 \| good	8.021 \| good	34.966 \| good	54.064 \| good	2.617 \| good	5.858 \| good	0.199 \| good
2026-04-24T23:00:00.000Z	47 \| good	6.088 \| good	27.08 \| good	51.337 \| good	2.49 \| good	8.556 \| good	0.216 \| good
2026-04-25T00:00:00.000Z	44 \| good	6.01 \| good	26.909 \| good	47.154 \| good	2.364 \| good	11.253 \| good	0.233 \| good
2026-04-25T01:00:00.000Z	36 \| good	5.821 \| good	25.546 \| good	39.3 \| good	2.143 \| good	10.919 \| good	0.227 \| good
2026-04-25T02:00:00.000Z	38 \| good	6.63 \| good	29.472 \| good	33.365 \| good	1.921 \| good	10.585 \| good	0.221 \| good
2026-04-25T03:00:00.000Z	38 \| good	6.679 \| good	29.819 \| good	32.785 \| good	1.7 \| good	10.251 \| good	0.215 \| good
2026-04-25T04:00:00.000Z	33 \| good	5.901 \| good	25.966 \| good	33.514 \| good	1.541 \| good	9.408 \| good	0.207 \| good
2026-04-25T05:00:00.000Z	31 \| good	4.625 \| good	20.065 \| good	33.249 \| good	1.382 \| good	8.565 \| good	0.199 \| good
2026-04-25T06:00:00.000Z	31 \| good	4.228 \| good	18.454 \| good	32.929 \| good	1.223 \| good	7.722 \| good	0.192 \| good
2026-04-25T07:00:00.000Z	29 \| good	4.182 \| good	18.298 \| good	31.238 \| good	1.16 \| good	6.578 \| good	0.179 \| good
2026-04-25T08:00:00.000Z	27 \| good	4.363 \| good	19.002 \| good	29.266 \| good	1.097 \| good	5.435 \| good	0.166 \| good
2026-04-25T09:00:00.000Z	23 \| good	3.257 \| good	13.926 \| good	25.182 \| good	1.034 \| good	4.292 \| good	0.153 \| good
2026-04-25T10:00:00.000Z	22 \| good	3.7 \| good	16.094 \| good	19.681 \| good	1.018 \| good	4.077 \| good	0.152 \| good
2026-04-25T11:00:00.000Z	23 \| good	3.79 \| good	16.604 \| good	24.876 \| good	1.001 \| good	3.861 \| good	0.151 \| good
2026-04-25T12:00:00.000Z	28 \| good	4.849 \| good	21.058 \| good	30.236 \| good	0.984 \| good	3.646 \| good	0.15 \| good
2026-04-25T13:00:00.000Z	33 \| good	6.013 \| good	26.425 \| good	34.431 \| good	1.024 \| good	3.17 \| good	0.15 \| good
2026-04-25T14:00:00.000Z	52 \| moderate	9.54 \| good	42.127 \| good	35.229 \| good	1.064 \| good	2.694 \| good	0.151 \| good
2026-04-25T15:00:00.000Z	52 \| moderate	10.26 \| good	45.632 \| good	33.814 \| good	1.105 \| good	2.219 \| good	0.151 \| good
2026-04-25T16:00:00.000Z	52 \| moderate	10.205 \| good	45.237 \| good	45.233 \| good	1.07 \| good	1.877 \| good	0.149 \| good
2026-04-25T17:00:00.000Z	51 \| moderate	7.235 \| good	31.952 \| good	54.811 \| good	1.035 \| good	1.536 \| good	0.147 \| good
2026-04-25T18:00:00.000Z	51 \| moderate	6.702 \| good	29.77 \| good	54.857 \| good	1.001 \| good	1.194 \| good	0.145 \| good
2026-04-25T19:00:00.000Z	61 \| moderate	7.694 \| good	33.835 \| good	57.713 \| fine	0.947 \| good	1.377 \| good	0.145 \| good
2026-04-25T20:00:00.000Z	61 \| moderate	8.423 \| good	37.03 \| good	57.748 \| fine	0.893 \| good	1.559 \| good	0.145 \| good
2026-04-25T21:00:00.000Z	61 \| moderate	6.969 \| good	30.965 \| good	58.188 \| fine	0.839 \| good	1.741 \| good	0.145 \| good
2026-04-25T22:00:00.000Z	51 \| moderate	6.24 \| good	27.475 \| good	54.863 \| good	0.845 \| good	2.829 \| good	0.152 \| good
2026-04-25T23:00:00.000Z	43 \| good	5.656 \| good	24.107 \| good	45.836 \| good	0.85 \| good	3.916 \| good	0.158 \| good
2026-04-26T00:00:00.000Z	56 \| moderate	12.064 \| good	13.755 \| good	47.473 \| good	0.845 \| good	4.983 \| good	0.165 \| good
2026-04-26T01:00:00.000Z	30 \| good	5.068 \| good	21.935 \| good	32.438 \| good	0.851 \| good	4.792 \| good	0.163 \| good
2026-04-26T02:00:00.000Z	26 \| good	4.176 \| good	18.48 \| good	28.17 \| good	0.846 \| good	4.581 \| good	0.161 \| good
2026-04-26T03:00:00.000Z	23 \| good	2.964 \| good	12.413 \| good	24.977 \| good	0.841 \| good	4.369 \| good	0.159 \| good
2026-04-26T04:00:00.000Z	25 \| good	3.081 \| good	12.933 \| good	26.788 \| good	0.793 \| good	3.86 \| good	0.156 \| good
2026-04-26T05:00:00.000Z	27 \| good	2.704 \| good	10.943 \| good	28.914 \| good	0.745 \| good	3.35 \| good	0.153 \| 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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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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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?

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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?