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

The PM10 concentration in Adelphi, Maryland is 25.155 μg/m3 at the moment.

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

Currently, Adelphi, Maryland has a sulfur dioxide (SO2) concentration of 0.183 ppb.

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

The current ozone (O3) level in Adelphi, Maryland at the moment is 17.976 ppm.

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

Nitrogen dioxide (NO2) level in Adelphi, Maryland at the moment is 8.248 ppb.

Live air quality index in Adelphi, Maryland today

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

Stay updated with real-time air quality in Adelphi, 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

Adelphi, Maryland

Last updated: ... (Local time)

Major air pollutants in Adelphi, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.71 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.16 μg/m³

155

255

425

605+

Ozone (O₃)

17.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Adelphi, Maryland

Get Live Pollen Counts

Adelphi, Maryland

Scroll To Air Quality Map

Track live Adelphi, 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	5.707 \| good	25.155 \| good	17.976 \| good	0.183 \| good	8.248 \| good	0.22 \| 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

Adelphi

Get reliable air quality data to drive your business

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

0.25ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is air quality information updated for Adelphi, Maryland?

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

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

In the past 24 hours, the air quality in Adelphi, Maryland was at its worst at 03:00:00 on 2025-10-22.

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

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

What is the AQI in Adelphi, Maryland right now?

As of now, the AQI in Adelphi, Maryland is 33, indicating Good conditions.

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

Adelphi, Maryland air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Adelphi, Maryland are currently 5.707 μg/m³.

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

The PM₁₀ concentration in Adelphi, Maryland is 25.155 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Adelphi, Maryland is 0.22 ppm.

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

Currently, Adelphi, Maryland has a sulfur dioxide (SO₂) concentration of 0.183 ppb.

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

The current ozone (O₃) level in Adelphi, Maryland at the moment is 17.976 ppm.

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

Nitrogen dioxide (NO₂) level in Adelphi, Maryland at the moment is 8.248 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

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	5.707 \| good	25.155 \| good	17.976 \| good	0.183 \| good	8.248 \| good	0.22 \| 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

Live air quality index in Adelphi, Maryland today

Major air pollutants in Adelphi, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Adelphi, Maryland air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Langley Park, Maryland

College Park, Maryland

Takoma Park, Maryland

White Oak, Maryland

Chillum, Maryland

Silver Spring, Maryland

How accurate is Maryland, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Adelphi, Maryland?

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

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

What is the AQI in Adelphi, Maryland right now?

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

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

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

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

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

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

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

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

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 Adelphi, Maryland at the moment?

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

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

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

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