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

The PM10 concentration in Waldorf, Maryland is 13.332 μg/m3 at the moment.

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

Currently, Waldorf, Maryland has a sulfur dioxide (SO2) concentration of 0.546 ppb.

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

The current ozone (O3) level in Waldorf, Maryland at the moment is 34.103 ppm.

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

Nitrogen dioxide (NO2) level in Waldorf, Maryland at the moment is 3.894 ppb.

Live air quality index in Waldorf, Maryland today

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

PM2.5 levels in Waldorf, Maryland are currently 10.197 μg/m3.

Stay updated with real-time air quality in Waldorf, 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

Waldorf, Maryland

Last updated: ... (Local time)

Major air pollutants in Waldorf, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.20 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.33 μg/m³

155

255

425

605+

Ozone (O₃)

34.10 ppb

201

201+

Sulfur Dioxide (SO₂)

0.55 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.89 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Waldorf, Maryland

Scroll To Air Quality Map

Track live Waldorf, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	44 \| good	7.542 \| good	35.924 \| good	29.05 \| good	0.382 \| good	4.742 \| good	0.219 \| good
2026-03-07T22:00:00.000Z	38 \| good	7.021 \| good	29.514 \| good	30.409 \| good	0.363 \| good	4.925 \| good	0.191 \| good
2026-03-07T23:00:00.000Z	44 \| good	7.727 \| good	29.18 \| good	24.73 \| good	0.383 \| good	4.588 \| good	0.204 \| good
2026-03-08T00:00:00.000Z	49 \| good	8.81 \| good	36.01 \| good	22.409 \| good	0.379 \| good	2.412 \| good	0.27 \| good
2026-03-08T01:00:00.000Z	33 \| good	6.463 \| good	32.115 \| good	24.626 \| good	0.361 \| good	9.974 \| good	0.349 \| good
2026-03-08T02:00:00.000Z	44 \| good	7.879 \| good	18.412 \| good	19.464 \| good	0.341 \| good	13.581 \| good	0.434 \| good
2026-03-08T03:00:00.000Z	38 \| good	7.472 \| good	33.065 \| good	24.19 \| good	1.048 \| good	3.489 \| good	0.118 \| good
2026-03-08T04:00:00.000Z	49 \| good	8.55 \| good	39.187 \| good	22.452 \| good	0.351 \| good	9.448 \| good	0.367 \| good
2026-03-08T05:00:00.000Z	52 \| moderate	10.213 \| good	52.412 \| good	18.467 \| good	0.368 \| good	15.325 \| good	0.404 \| good
2026-03-08T06:00:00.000Z	56 \| moderate	12.215 \| fine	53.982 \| good	17.363 \| good	0.316 \| good	16.925 \| good	0.514 \| good
2026-03-08T07:00:00.000Z	52 \| moderate	9.656 \| good	43.921 \| good	20.33 \| good	0.357 \| good	17.866 \| good	0.554 \| good
2026-03-08T08:00:00.000Z	52 \| moderate	10.133 \| good	47.583 \| good	20.928 \| good	0.392 \| good	23.1 \| good	0.496 \| good
2026-03-08T09:00:00.000Z	49 \| good	9.432 \| good	47.783 \| good	22.459 \| good	0.393 \| good	14.578 \| good	0.411 \| good
2026-03-08T10:00:00.000Z	49 \| good	9.296 \| good	50.117 \| good	20.473 \| good	0.418 \| good	9.386 \| good	0.345 \| good
2026-03-08T11:00:00.000Z	54 \| moderate	10.766 \| good	54.51 \| good	19.057 \| good	0.458 \| good	6.055 \| good	0.28 \| good
2026-03-08T12:00:00.000Z	49 \| good	9.228 \| good	26.994 \| good	21.599 \| good	0.472 \| good	6.403 \| good	0.23 \| good
2026-03-08T13:00:00.000Z	44 \| good	8.356 \| good	38.257 \| good	21.549 \| good	0.479 \| good	10.255 \| good	0.23 \| good
2026-03-08T14:00:00.000Z	38 \| good	7.179 \| good	23.653 \| good	15.203 \| good	0.547 \| good	14.287 \| good	0.26 \| good
2026-03-08T15:00:00.000Z	54 \| moderate	10.871 \| good	29.451 \| good	17.988 \| good	0.554 \| good	12.803 \| good	0.373 \| good
2026-03-08T16:00:00.000Z	54 \| moderate	11.403 \| good	45.807 \| good	21.34 \| good	0.48 \| good	13.435 \| good	0.316 \| good
2026-03-08T17:00:00.000Z	56 \| moderate	11.826 \| good	52.673 \| good	17.328 \| good	0.501 \| good	9.106 \| good	0.258 \| good
2026-03-08T18:00:00.000Z	38 \| good	6.937 \| good	27.608 \| good	23.215 \| good	0.465 \| good	4.675 \| good	0.158 \| good
2026-03-08T19:00:00.000Z	38 \| good	6.591 \| good	39.736 \| good	26.893 \| good	0.469 \| good	2.827 \| good	0.151 \| good
2026-03-08T20:00:00.000Z	30 \| good	4.472 \| good	17.941 \| good	31.677 \| good	0.456 \| good	2.596 \| good	0.135 \| good
2026-03-08T21:00:00.000Z	31 \| good	2.683 \| good	9.199 \| good	33.509 \| good	0.437 \| good	2.292 \| good	0.144 \| good
2026-03-08T22:00:00.000Z	31 \| good	2.14 \| good	14.783 \| good	33.628 \| good	0.429 \| good	2.714 \| good	0.144 \| good
2026-03-08T23:00:00.000Z	31 \| good	2.226 \| good	21.707 \| good	32.822 \| good	0.307 \| good	8.628 \| good	0.144 \| good
2026-03-09T00:00:00.000Z	30 \| good	3.114 \| good	13.088 \| good	31.74 \| good	0.294 \| good	10.313 \| good	0.132 \| good
2026-03-09T01:00:00.000Z	31 \| good	4.959 \| good	21.192 \| good	32.958 \| good	0.354 \| good	10.274 \| good	0.207 \| good
2026-03-09T02:00:00.000Z	28 \| good	5.204 \| good	17.26 \| good	29.698 \| good	0.284 \| good	9.803 \| good	0.207 \| good
2026-03-09T03:00:00.000Z	52 \| moderate	10.153 \| good	45.279 \| good	20.846 \| good	1.934 \| good	18.775 \| good	0.362 \| good
2026-03-09T04:00:00.000Z	38 \| good	7.392 \| good	30.904 \| good	17.431 \| good	0.245 \| good	7.863 \| good	0.365 \| good
2026-03-09T05:00:00.000Z	38 \| good	7.432 \| good	20.022 \| good	18.92 \| good	0.249 \| good	17.725 \| good	0.429 \| good
2026-03-09T06:00:00.000Z	27 \| good	4.767 \| good	26.291 \| good	21.864 \| good	0.256 \| good	24.308 \| good	0.477 \| good
2026-03-09T07:00:00.000Z	27 \| good	4.966 \| good	21.333 \| good	19.255 \| good	0.282 \| good	22.242 \| good	0.477 \| good
2026-03-09T08:00:00.000Z	20 \| good	3.436 \| good	16.639 \| good	16.054 \| good	0.347 \| good	20.808 \| good	0.467 \| good
2026-03-09T09:00:00.000Z	29 \| good	5.407 \| good	31.058 \| good	9.345 \| good	0.286 \| good	21.203 \| good	0.461 \| good
2026-03-09T10:00:00.000Z	33 \| good	5.798 \| good	20.541 \| good	8.465 \| good	0.36 \| good	19.026 \| good	0.477 \| good
2026-03-09T11:00:00.000Z	27 \| good	4.705 \| good	17.169 \| good	12.36 \| good	0.543 \| good	22.707 \| good	0.496 \| good
2026-03-09T12:00:00.000Z	27 \| good	5.447 \| good	15.504 \| good	7.164 \| good	0.744 \| good	27.797 \| good	0.652 \| good
2026-03-09T13:00:00.000Z	52 \| moderate	10.12 \| good	48.854 \| good	5.795 \| good	0.773 \| good	26.235 \| good	0.776 \| good
2026-03-09T14:00:00.000Z	38 \| good	7.139 \| good	29.551 \| good	10.723 \| good	0.906 \| good	24.03 \| good	0.892 \| good
2026-03-09T15:00:00.000Z	33 \| good	6.4 \| good	14.058 \| good	13.937 \| good	0.935 \| good	20.08 \| good	0.754 \| good
2026-03-09T16:00:00.000Z	33 \| good	5.558 \| good	15.569 \| good	28.867 \| good	0.571 \| good	25.682 \| good	0.571 \| good
2026-03-09T17:00:00.000Z	58 \| moderate	13.149 \| fine	22.576 \| good	23.156 \| good	0.473 \| good	17.91 \| good	0.34 \| good
2026-03-09T18:00:00.000Z	78 \| moderate	21.894 \| fine	110.34 \| fine	37.8 \| good	0.508 \| good	9.525 \| good	0.153 \| good
2026-03-09T19:00:00.000Z	52 \| moderate	10.197 \| good	13.332 \| good	34.103 \| good	0.546 \| good	3.894 \| good	0.142 \| good
2026-03-09T20:00:00.000Z	41 \| good	5.897 \| good	8.927 \| good	43.744 \| good	0.49 \| good	3.408 \| good	0.157 \| good
2026-03-09T20:00:00.000Z	52 \| moderate	10.197 \| good	13.332 \| good	34.103 \| good	0.546 \| good	3.894 \| good	0.142 \| good
2026-03-09T21:00:00.000Z	38 \| good	5.593 \| good	24.009 \| good	41.052 \| good	1.265 \| good	2.38 \| good	0.158 \| good
2026-03-09T22:00:00.000Z	37 \| good	4.356 \| good	19.098 \| good	40.415 \| good	1.135 \| good	5.928 \| good	0.184 \| good
2026-03-09T23:00:00.000Z	31 \| good	4.634 \| good	19.985 \| good	34.132 \| good	1.005 \| good	9.477 \| good	0.209 \| good
2026-03-10T00:00:00.000Z	27 \| good	5.033 \| good	21.941 \| good	28.176 \| good	0.876 \| good	13.026 \| good	0.235 \| good
2026-03-10T01:00:00.000Z	38 \| good	6.794 \| good	30.057 \| good	26.25 \| good	0.847 \| good	12.007 \| good	0.226 \| good
2026-03-10T02:00:00.000Z	44 \| good	7.915 \| good	34.61 \| good	28.6 \| good	0.818 \| good	10.989 \| good	0.217 \| good
2026-03-10T03:00:00.000Z	49 \| good	8.686 \| good	38.066 \| good	28.787 \| good	0.789 \| good	9.97 \| good	0.208 \| good
2026-03-10T04:00:00.000Z	49 \| good	8.519 \| good	37 \| good	29.399 \| good	0.783 \| good	9.292 \| good	0.203 \| good
2026-03-10T05:00:00.000Z	52 \| moderate	9.959 \| good	44.561 \| good	27.744 \| good	0.777 \| good	8.615 \| good	0.197 \| good
2026-03-10T06:00:00.000Z	54 \| moderate	10.634 \| good	47.429 \| good	22.607 \| good	0.77 \| good	7.937 \| good	0.191 \| good
2026-03-10T07:00:00.000Z	56 \| moderate	11.826 \| good	52.643 \| good	12.093 \| good	0.833 \| good	8.525 \| good	0.192 \| good
2026-03-10T08:00:00.000Z	54 \| moderate	10.837 \| good	47.733 \| good	11.688 \| good	0.896 \| good	9.113 \| good	0.193 \| good
2026-03-10T09:00:00.000Z	44 \| good	8.189 \| good	35.834 \| good	14.293 \| good	0.959 \| good	9.701 \| good	0.193 \| good
2026-03-10T10:00:00.000Z	33 \| good	5.981 \| good	26.668 \| good	15.993 \| good	1.071 \| good	10.834 \| good	0.217 \| good
2026-03-10T11:00:00.000Z	33 \| good	5.808 \| good	24.953 \| good	13.752 \| good	1.183 \| good	11.967 \| good	0.24 \| good
2026-03-10T12:00:00.000Z	33 \| good	5.837 \| good	25.634 \| good	11.511 \| good	1.295 \| good	13.1 \| good	0.264 \| good
2026-03-10T13:00:00.000Z	38 \| good	7.267 \| good	31.951 \| good	15.816 \| good	1.354 \| good	11.703 \| good	0.26 \| good
2026-03-10T14:00:00.000Z	44 \| good	7.63 \| good	33.938 \| good	22.515 \| good	1.412 \| good	10.307 \| good	0.256 \| good
2026-03-10T15:00:00.000Z	38 \| good	6.745 \| good	29.969 \| good	33.979 \| good	1.471 \| good	8.91 \| good	0.252 \| good
2026-03-10T16:00:00.000Z	36 \| good	6.475 \| good	29 \| good	39.052 \| good	1.293 \| good	6.826 \| good	0.225 \| good
2026-03-10T17:00:00.000Z	38 \| good	5.879 \| good	25.491 \| good	41.034 \| good	1.116 \| good	4.743 \| good	0.198 \| good
2026-03-10T18:00:00.000Z	36 \| good	5.469 \| good	23.277 \| good	38.568 \| good	0.938 \| good	2.659 \| good	0.171 \| good
2026-03-10T19:00:00.000Z	37 \| good	6.027 \| good	26.861 \| good	39.958 \| good	0.86 \| good	2.607 \| good	0.168 \| good
2026-03-10T20:00:00.000Z	38 \| good	6.457 \| good	28.711 \| good	41.026 \| good	0.782 \| good	2.556 \| good	0.165 \| good
2026-03-10T21:00:00.000Z	44 \| good	8 \| good	34.923 \| good	39.677 \| good	0.705 \| good	2.504 \| good	0.162 \| good
2026-03-10T22:00:00.000Z	38 \| good	7.3 \| good	32.274 \| good	37.209 \| good	0.793 \| good	5.144 \| good	0.182 \| good
2026-03-10T23:00:00.000Z	49 \| good	9.31 \| good	41.725 \| good	36.366 \| good	0.882 \| good	7.785 \| good	0.201 \| good
2026-03-11T00:00:00.000Z	33 \| good	6.258 \| good	28 \| good	28.311 \| good	0.971 \| good	10.425 \| good	0.22 \| good
2026-03-11T01:00:00.000Z	38 \| good	7.22 \| good	31.866 \| good	27.128 \| good	1.004 \| good	9.849 \| good	0.215 \| good
2026-03-11T02:00:00.000Z	56 \| moderate	12.254 \| fine	55.214 \| fine	32.562 \| good	1.038 \| good	9.273 \| good	0.21 \| good
2026-03-11T03:00:00.000Z	56 \| moderate	12.312 \| fine	55.678 \| fine	29.804 \| good	1.072 \| good	8.697 \| good	0.205 \| good
2026-03-11T04:00:00.000Z	56 \| moderate	11.69 \| good	52.412 \| good	23.974 \| good	1.148 \| good	7.725 \| good	0.195 \| good
2026-03-11T05:00:00.000Z	56 \| moderate	12.256 \| fine	55.223 \| fine	19.703 \| good	1.225 \| good	6.752 \| good	0.185 \| good
2026-03-11T06:00:00.000Z	54 \| moderate	10.754 \| good	10.906 \| good	31.542 \| good	1.302 \| good	5.777 \| good	0.175 \| good
2026-03-11T07:00:00.000Z	60 \| moderate	13.907 \| fine	62.213 \| fine	17.978 \| good	1.365 \| good	5.343 \| good	0.169 \| good
2026-03-11T08:00:00.000Z	54 \| moderate	10.995 \| good	48.426 \| good	17.054 \| good	1.429 \| good	4.905 \| good	0.162 \| good
2026-03-11T09:00:00.000Z	49 \| good	8.883 \| good	39.602 \| good	13.431 \| good	1.493 \| good	4.468 \| good	0.156 \| good
2026-03-11T10:00:00.000Z	56 \| moderate	11.555 \| good	51.28 \| good	14.669 \| good	1.532 \| good	5.341 \| good	0.16 \| good
2026-03-11T11:00:00.000Z	38 \| good	7.107 \| good	31.438 \| good	16.42 \| good	1.571 \| good	6.214 \| good	0.165 \| good
2026-03-11T12:00:00.000Z	54 \| moderate	11.159 \| good	11.233 \| good	23.668 \| good	1.61 \| good	7.072 \| good	0.169 \| good
2026-03-11T13:00:00.000Z	54 \| moderate	10.858 \| good	10.915 \| good	24.952 \| good	1.601 \| good	6.22 \| good	0.17 \| good
2026-03-11T14:00:00.000Z	52 \| moderate	10.302 \| good	10.363 \| good	26.237 \| good	1.593 \| good	5.368 \| good	0.171 \| good
2026-03-11T15:00:00.000Z	52 \| moderate	9.787 \| good	9.851 \| good	27.521 \| good	1.584 \| good	4.516 \| good	0.172 \| good
2026-03-11T16:00:00.000Z	49 \| good	9.06 \| good	9.125 \| good	30.274 \| good	1.383 \| good	3.889 \| good	0.163 \| good
2026-03-11T17:00:00.000Z	33 \| good	5.882 \| good	25.562 \| good	23.819 \| good	1.18 \| good	3.275 \| good	0.154 \| good
2026-03-11T18:00:00.000Z	38 \| good	7.342 \| good	7.438 \| good	35.779 \| good	0.98 \| good	2.636 \| good	0.144 \| good
2026-03-11T19:00:00.000Z	38 \| good	7.327 \| good	7.466 \| good	36.54 \| good	0.893 \| good	2.526 \| good	0.141 \| good
2026-03-11T20:00:00.000Z	38 \| good	7.048 \| good	7.186 \| good	37.3 \| good	0.807 \| good	2.416 \| good	0.138 \| good

Waldorf

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

0.14ppm

How accurate is Maryland, USA air quality data?

Air quality and pollutant data for Maryland, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

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

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

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

In the past 24 hours, the air quality in Waldorf, Maryland was at its worst at 06:00:00 on 2026-03-09.

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

In the last 24 hours, the best air quality in Waldorf, Maryland was observed at 08:00:00 on 2026-03-09.

What is the AQI in Waldorf, Maryland right now?

As of now, the AQI in Waldorf, Maryland is 52, indicating Moderate conditions.

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

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

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

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

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

PM_2.5 levels in Waldorf, Maryland are currently 10.197 μg/m³.

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

The PM₁₀ concentration in Waldorf, Maryland is 13.332 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Waldorf, Maryland is 0.142 ppm.

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

Currently, Waldorf, Maryland has a sulfur dioxide (SO₂) concentration of 0.546 ppb.

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

The current ozone (O₃) level in Waldorf, Maryland at the moment is 34.103 ppm.

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

Nitrogen dioxide (NO₂) level in Waldorf, Maryland at the moment is 3.894 ppb.

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