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

The PM10 concentration in Waldorf, Maryland is 13.065 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 0.341 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 35.537 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 9.713 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 2.391 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)

Good

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)

2.39 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.06 μg/m³

155

255

425

605+

Ozone (O₃)

35.54 ppb

201

201+

Sulfur Dioxide (SO₂)

0.34 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-03-12T09:00:00.000Z	44 \| good	7.926 \| good	28.326 \| good	27.44 \| good	0.446 \| good	4.378 \| good	0.174 \| good
2026-03-12T10:00:00.000Z	38 \| good	6.949 \| good	23.504 \| good	20.139 \| good	0.436 \| good	5.664 \| good	0.152 \| good
2026-03-12T11:00:00.000Z	27 \| good	4.826 \| good	18.376 \| good	26.845 \| good	0.406 \| good	4.245 \| good	0.158 \| good
2026-03-12T12:00:00.000Z	28 \| good	2.81 \| good	16.094 \| good	29.817 \| good	0.37 \| good	3.048 \| good	0.14 \| good
2026-03-12T13:00:00.000Z	26 \| good	1.875 \| good	9.718 \| good	27.733 \| good	0.375 \| good	3.597 \| good	0.12 \| good
2026-03-12T14:00:00.000Z	24 \| good	2.067 \| good	9.319 \| good	26.172 \| good	0.365 \| good	4.383 \| good	0.12 \| good
2026-03-12T15:00:00.000Z	26 \| good	1.881 \| good	6.064 \| good	28.456 \| good	0.348 \| good	4.745 \| good	0.12 \| good
2026-03-12T16:00:00.000Z	28 \| good	1.367 \| good	5.881 \| good	29.577 \| good	0.378 \| good	4.076 \| good	0.125 \| good
2026-03-12T17:00:00.000Z	28 \| good	1.884 \| good	8.932 \| good	29.556 \| good	0.351 \| good	4.923 \| good	0.171 \| good
2026-03-12T18:00:00.000Z	29 \| good	1.698 \| good	8.048 \| good	30.903 \| good	0.375 \| good	6.507 \| good	0.199 \| good
2026-03-12T19:00:00.000Z	28 \| good	1.498 \| good	5.521 \| good	29.614 \| good	0.366 \| good	7.252 \| good	0.174 \| good
2026-03-12T20:00:00.000Z	25 \| good	2.431 \| good	8.437 \| good	26.56 \| good	0.324 \| good	10.015 \| good	0.194 \| good
2026-03-12T21:00:00.000Z	27 \| good	2.873 \| good	12.453 \| good	28.579 \| good	0.324 \| good	14.723 \| good	0.22 \| good
2026-03-12T22:00:00.000Z	26 \| good	2.586 \| good	9.972 \| good	28.477 \| good	0.346 \| good	10.966 \| good	0.258 \| good
2026-03-12T23:00:00.000Z	28 \| good	5.039 \| good	15.864 \| good	29.643 \| good	0.357 \| good	6.616 \| good	0.146 \| good
2026-03-13T00:00:00.000Z	31 \| good	3.903 \| good	17.291 \| good	33.787 \| good	0.412 \| good	3.546 \| good	0.146 \| good
2026-03-13T01:00:00.000Z	34 \| good	2.909 \| good	9.664 \| good	36.74 \| good	0.351 \| good	3.129 \| good	0.126 \| good
2026-03-13T02:00:00.000Z	30 \| good	2.751 \| good	9.104 \| good	32.276 \| good	0.349 \| good	3.771 \| good	0.126 \| good
2026-03-13T03:00:00.000Z	31 \| good	3.248 \| good	13.75 \| good	33.63 \| good	0.459 \| good	6.104 \| good	0.138 \| good
2026-03-13T04:00:00.000Z	27 \| good	2.255 \| good	7.41 \| good	28.56 \| good	0.454 \| good	8.832 \| good	0.126 \| good
2026-03-13T05:00:00.000Z	23 \| good	1.636 \| good	9.801 \| good	24.785 \| good	0.352 \| good	10.578 \| good	0.187 \| good
2026-03-13T06:00:00.000Z	20 \| good	2.69 \| good	12.27 \| good	21.52 \| good	0.338 \| good	14.659 \| good	0.2 \| good
2026-03-13T07:00:00.000Z	27 \| good	4.642 \| good	14.004 \| good	19.755 \| good	0.35 \| good	19.939 \| good	0.246 \| good
2026-03-13T08:00:00.000Z	25 \| good	4.404 \| good	14.876 \| good	19.341 \| good	0.412 \| good	26.974 \| good	0.297 \| good
2026-03-13T09:00:00.000Z	25 \| good	3.794 \| good	10.973 \| good	14.827 \| good	0.545 \| good	27.073 \| good	0.303 \| good
2026-03-13T10:00:00.000Z	28 \| good	3.474 \| good	5.448 \| good	21.388 \| good	0.584 \| good	29.983 \| good	0.338 \| good
2026-03-13T11:00:00.000Z	30 \| good	2.228 \| good	11.206 \| good	16.93 \| good	0.697 \| good	31.891 \| good	0.415 \| good
2026-03-13T12:00:00.000Z	29 \| good	3.019 \| good	7.782 \| good	17.781 \| good	0.649 \| good	31.308 \| good	0.461 \| good
2026-03-13T13:00:00.000Z	30 \| good	4.815 \| good	16.94 \| good	13.038 \| good	0.637 \| good	31.64 \| good	0.487 \| good
2026-03-13T14:00:00.000Z	22 \| good	4.27 \| good	18.739 \| good	14.201 \| good	0.547 \| good	21.572 \| good	0.402 \| good
2026-03-13T15:00:00.000Z	22 \| good	4.104 \| good	14.966 \| good	22.26 \| good	0.454 \| good	10.596 \| good	0.281 \| good
2026-03-13T16:00:00.000Z	24 \| good	3.658 \| good	9.601 \| good	26.127 \| good	0.445 \| good	8.386 \| good	0.184 \| good
2026-03-13T17:00:00.000Z	28 \| good	2.803 \| good	11.701 \| good	30.069 \| good	0.523 \| good	5.921 \| good	0.158 \| good
2026-03-13T18:00:00.000Z	32 \| good	2.569 \| good	11.244 \| good	35.152 \| good	0.476 \| good	5.977 \| good	0.158 \| good
2026-03-13T19:00:00.000Z	36 \| good	2.372 \| good	7.072 \| good	39.385 \| good	0.461 \| good	5.071 \| good	0.158 \| good
2026-03-13T20:00:00.000Z	38 \| good	2.785 \| good	7.728 \| good	41.258 \| good	0.444 \| good	5.798 \| good	0.158 \| good
2026-03-13T21:00:00.000Z	38 \| good	2.225 \| good	9.051 \| good	41.01 \| good	0.387 \| good	4.863 \| good	0.158 \| good
2026-03-13T22:00:00.000Z	38 \| good	2.156 \| good	11.366 \| good	40.727 \| good	0.406 \| good	3.755 \| good	0.158 \| good
2026-03-13T23:00:00.000Z	36 \| good	3.026 \| good	12.044 \| good	39.329 \| good	0.379 \| good	3.257 \| good	0.158 \| good
2026-03-14T00:00:00.000Z	39 \| good	2.36 \| good	10.794 \| good	41.79 \| good	0.4 \| good	3.892 \| good	0.171 \| good
2026-03-14T01:00:00.000Z	37 \| good	2.194 \| good	15.83 \| good	39.646 \| good	0.362 \| good	3.564 \| good	0.171 \| good
2026-03-14T02:00:00.000Z	35 \| good	3.771 \| good	14.76 \| good	38.119 \| good	0.365 \| good	3.589 \| good	0.171 \| good
2026-03-14T03:00:00.000Z	40 \| good	4.23 \| good	15.097 \| good	42.927 \| good	0.418 \| good	3.658 \| good	0.158 \| good
2026-03-14T04:00:00.000Z	37 \| good	4.944 \| good	16.847 \| good	39.621 \| good	0.433 \| good	5.294 \| good	0.171 \| good
2026-03-14T05:00:00.000Z	37 \| good	2.11 \| good	13.413 \| good	39.872 \| good	0.444 \| good	6.753 \| good	0.171 \| good
2026-03-14T06:00:00.000Z	35 \| good	3.804 \| good	16.436 \| good	38.129 \| good	0.441 \| good	8.464 \| good	0.158 \| good
2026-03-14T07:00:00.000Z	36 \| good	2.761 \| good	18.766 \| good	38.588 \| good	0.445 \| good	7.666 \| good	0.184 \| good
2026-03-14T08:00:00.000Z	33 \| good	2.391 \| good	13.065 \| good	35.537 \| good	0.341 \| good	9.713 \| good	0.197 \| good
2026-03-14T08:00:00.000Z	33 \| good	2.391 \| good	13.065 \| good	35.537 \| good	0.341 \| good	9.713 \| good	0.197 \| good
2026-03-14T09:00:00.000Z	44 \| good	7.732 \| good	34.066 \| good	31.855 \| good	1.305 \| good	2.774 \| good	0.15 \| good
2026-03-14T10:00:00.000Z	31 \| good	5.212 \| good	22.393 \| good	32.926 \| good	1.349 \| good	3.27 \| good	0.151 \| good
2026-03-14T11:00:00.000Z	30 \| good	5.313 \| good	22.9 \| good	31.795 \| good	1.393 \| good	3.766 \| good	0.152 \| good
2026-03-14T12:00:00.000Z	30 \| good	3.26 \| good	14.32 \| good	31.625 \| good	1.436 \| good	4.261 \| good	0.154 \| good
2026-03-14T13:00:00.000Z	31 \| good	4.117 \| good	18.066 \| good	33.525 \| good	1.382 \| good	3.6 \| good	0.149 \| good
2026-03-14T14:00:00.000Z	31 \| good	3.528 \| good	15.51 \| good	34.167 \| good	1.328 \| good	2.938 \| good	0.144 \| good
2026-03-14T15:00:00.000Z	34 \| good	4.448 \| good	19.148 \| good	36.863 \| good	1.273 \| good	2.276 \| good	0.14 \| good
2026-03-14T16:00:00.000Z	36 \| good	6.109 \| good	27.013 \| good	39.442 \| good	1.265 \| good	2.05 \| good	0.137 \| good
2026-03-14T17:00:00.000Z	37 \| good	4.985 \| good	21.51 \| good	39.834 \| good	1.256 \| good	1.825 \| good	0.134 \| good
2026-03-14T18:00:00.000Z	39 \| good	4.583 \| good	19.906 \| good	42.031 \| good	1.248 \| good	1.6 \| good	0.132 \| good
2026-03-14T19:00:00.000Z	39 \| good	3.224 \| good	14 \| good	41.662 \| good	1.305 \| good	1.7 \| good	0.133 \| good
2026-03-14T20:00:00.000Z	37 \| good	2.359 \| good	9.972 \| good	39.531 \| good	1.362 \| good	1.8 \| good	0.133 \| good
2026-03-14T21:00:00.000Z	36 \| good	2.946 \| good	12 \| good	38.71 \| good	1.419 \| good	1.901 \| good	0.134 \| good
2026-03-14T22:00:00.000Z	33 \| good	1.756 \| good	7.197 \| good	35.797 \| good	1.536 \| good	6.294 \| good	0.168 \| good
2026-03-14T23:00:00.000Z	31 \| good	1.185 \| good	4.833 \| good	33.734 \| good	1.653 \| good	10.687 \| good	0.201 \| good
2026-03-15T00:00:00.000Z	29 \| good	1.789 \| good	7.591 \| good	30.574 \| good	1.77 \| good	15.081 \| good	0.235 \| good
2026-03-15T01:00:00.000Z	22 \| good	3.161 \| good	13.768 \| good	23.786 \| good	1.88 \| good	15.251 \| good	0.236 \| good
2026-03-15T02:00:00.000Z	22 \| good	4.074 \| good	17.944 \| good	23.252 \| good	1.99 \| good	15.421 \| good	0.237 \| good
2026-03-15T03:00:00.000Z	27 \| good	4.701 \| good	20.435 \| good	23.075 \| good	2.101 \| good	15.592 \| good	0.238 \| good
2026-03-15T04:00:00.000Z	27 \| good	4.792 \| good	20.837 \| good	19.187 \| good	1.982 \| good	12.776 \| good	0.222 \| good
2026-03-15T05:00:00.000Z	33 \| good	5.629 \| good	24.314 \| good	19.146 \| good	1.864 \| good	9.96 \| good	0.207 \| good
2026-03-15T06:00:00.000Z	22 \| good	4.429 \| good	19.522 \| good	22.378 \| good	1.746 \| good	7.145 \| good	0.191 \| good
2026-03-15T07:00:00.000Z	22 \| good	3.826 \| good	16.636 \| good	24.319 \| good	1.609 \| good	6.051 \| good	0.182 \| good
2026-03-15T08:00:00.000Z	24 \| good	4.376 \| good	19.035 \| good	25.705 \| good	1.473 \| good	4.958 \| good	0.172 \| good
2026-03-15T09:00:00.000Z	27 \| good	4.531 \| good	19.78 \| good	25.329 \| good	1.336 \| good	3.865 \| good	0.163 \| good
2026-03-15T10:00:00.000Z	23 \| good	4.218 \| good	18.714 \| good	24.914 \| good	1.303 \| good	4.475 \| good	0.166 \| good
2026-03-15T11:00:00.000Z	22 \| good	3.775 \| good	16.292 \| good	23.469 \| good	1.27 \| good	5.085 \| good	0.168 \| good
2026-03-15T12:00:00.000Z	24 \| good	3.824 \| good	16.513 \| good	26.106 \| good	1.237 \| good	5.696 \| good	0.17 \| good
2026-03-15T13:00:00.000Z	33 \| good	6.023 \| good	26.554 \| good	33.81 \| good	1.131 \| good	4.778 \| good	0.167 \| good
2026-03-15T14:00:00.000Z	33 \| good	5.805 \| good	24.947 \| good	35.979 \| good	1.025 \| good	3.86 \| good	0.163 \| good
2026-03-15T15:00:00.000Z	38 \| good	6.665 \| good	29.526 \| good	39.267 \| good	0.919 \| good	2.942 \| good	0.16 \| good
2026-03-15T16:00:00.000Z	44 \| good	7.717 \| good	34.056 \| good	42.07 \| good	0.822 \| good	2.355 \| good	0.153 \| good
2026-03-15T17:00:00.000Z	40 \| good	4.73 \| good	20.714 \| good	42.89 \| good	0.725 \| good	1.768 \| good	0.146 \| good
2026-03-15T18:00:00.000Z	40 \| good	4.079 \| good	17.969 \| good	42.9 \| good	0.628 \| good	1.182 \| good	0.14 \| good
2026-03-15T19:00:00.000Z	40 \| good	4.448 \| good	19 \| good	43.257 \| good	0.584 \| good	1.169 \| good	0.139 \| good
2026-03-15T20:00:00.000Z	39 \| good	5.406 \| good	23.069 \| good	41.894 \| good	0.54 \| good	1.157 \| good	0.138 \| good
2026-03-15T21:00:00.000Z	39 \| good	4.981 \| good	21.538 \| good	42.001 \| good	0.496 \| good	1.145 \| good	0.138 \| good
2026-03-15T22:00:00.000Z	40 \| good	2.58 \| good	10.49 \| good	43.421 \| good	0.488 \| good	1.608 \| good	0.142 \| good
2026-03-15T23:00:00.000Z	40 \| good	2.717 \| good	11.22 \| good	42.868 \| good	0.48 \| good	2.071 \| good	0.146 \| good
2026-03-16T00:00:00.000Z	37 \| good	3.705 \| good	16 \| good	39.96 \| good	0.473 \| good	2.533 \| good	0.15 \| good
2026-03-16T01:00:00.000Z	36 \| good	3.822 \| good	16.49 \| good	39.086 \| good	0.45 \| good	2.357 \| good	0.145 \| good
2026-03-16T02:00:00.000Z	38 \| good	5.452 \| good	23.245 \| good	41.318 \| good	0.427 \| good	2.181 \| good	0.14 \| good
2026-03-16T03:00:00.000Z	44 \| good	7.918 \| good	34.639 \| good	42.551 \| good	0.404 \| good	2.005 \| good	0.135 \| good
2026-03-16T04:00:00.000Z	49 \| good	8.579 \| good	37.542 \| good	42.317 \| good	0.349 \| good	1.682 \| good	0.13 \| good
2026-03-16T05:00:00.000Z	44 \| good	7.778 \| good	34.028 \| good	41.795 \| good	0.294 \| good	1.359 \| good	0.125 \| good
2026-03-16T06:00:00.000Z	47 \| good	5.847 \| good	8.213 \| good	50.59 \| good	0.237 \| good	1.033 \| good	0.119 \| good
2026-03-16T07:00:00.000Z	44 \| good	7.538 \| good	33.044 \| good	39.614 \| good	0.228 \| good	0.981 \| good	0.117 \| good
2026-03-16T08:00:00.000Z	38 \| good	6.718 \| good	29.969 \| good	38.183 \| good	0.218 \| good	0.925 \| good	0.115 \| good

Waldorf

Get reliable air quality data to drive your business

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

0.19ppm

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 03:00:00 on 2026-03-14.

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 03:00:00 on 2026-03-13.

What is the AQI in Waldorf, Maryland right now?

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

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

Waldorf, Maryland air has the highest levels of O3.

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 2.391 μg/m³.

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

The PM₁₀ concentration in Waldorf, Maryland is 13.065 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 0.197 ppm.

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

Currently, Waldorf, Maryland has a sulfur dioxide (SO₂) concentration of 0.341 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 35.537 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 9.713 ppb.

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