What are the current PM10 levels at Arnold, Maryland?

The current PM10 levels in Arnold, Maryland are 15.792 μg/m3.

What are the current sulfur dioxide (SO2) levels at Arnold, Maryland?

The current sulfur dioxide (SO2) levels in Arnold, Maryland are 0.177 ppb.

What are the current ozone (O3) levels at Arnold, Maryland?

The current ozone (O3) levels at Arnold, Maryland is 44.337 ppm.

What are the current nitrogen dioxide (NO2) levels at Arnold, Maryland?

The current nitrogen dioxide (NO2) levels at Arnold, Maryland is 3.386 ppb.

Real-time air quality index in Arnold, Maryland today

Q: What are the current PM2.5 levels in Arnold, Maryland?

The measured PM2.5 levels in Arnold, Maryland at present are 3.52 μg/m3.

Stay updated with real-time air quality in Arnold, 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

Arnold, Maryland

Last updated: ... (Local time)

Common air pollutants in Arnold, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.52 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.79 μg/m³

155

255

425

605+

Ozone (O₃)

44.34 ppb

201

201+

Sulfur Dioxide (SO₂)

0.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.39 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 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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Arnold, Maryland

Scroll To Air Quality Map

Track live Arnold, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T22:00:00.000Z	38 \| good	6.509 \| good	24.322 \| good	28.978 \| good	0.266 \| good	5.687 \| good	0.202 \| good
2026-03-07T23:00:00.000Z	38 \| good	7.289 \| good	28.444 \| good	26.159 \| good	0.359 \| good	5.693 \| good	0.226 \| good
2026-03-08T00:00:00.000Z	44 \| good	7.688 \| good	32.89 \| good	27.771 \| good	0.289 \| good	7.181 \| good	0.286 \| good
2026-03-08T01:00:00.000Z	52 \| moderate	9.935 \| good	41.607 \| good	23.832 \| good	0.262 \| good	12.273 \| good	0.364 \| good
2026-03-08T02:00:00.000Z	52 \| moderate	9.61 \| good	42.022 \| good	22.103 \| good	0.248 \| good	15.844 \| good	0.41 \| good
2026-03-08T03:00:00.000Z	33 \| good	6.486 \| good	29.165 \| good	21.134 \| good	1.03 \| good	5.719 \| good	0.137 \| good
2026-03-08T04:00:00.000Z	38 \| good	6.912 \| good	32.494 \| good	16.542 \| good	0.248 \| good	11.207 \| good	0.359 \| good
2026-03-08T05:00:00.000Z	44 \| good	7.95 \| good	40.684 \| good	11.396 \| good	0.283 \| good	14.062 \| good	0.398 \| good
2026-03-08T06:00:00.000Z	56 \| moderate	12.094 \| good	31.458 \| good	10.696 \| good	0.244 \| good	15.909 \| good	0.493 \| good
2026-03-08T07:00:00.000Z	58 \| moderate	12.655 \| fine	40.472 \| good	6.58 \| good	0.258 \| good	16.419 \| good	0.528 \| good
2026-03-08T08:00:00.000Z	44 \| good	8.208 \| good	36.187 \| good	6.315 \| good	0.296 \| good	15.314 \| good	0.468 \| good
2026-03-08T09:00:00.000Z	49 \| good	8.88 \| good	25.504 \| good	13.63 \| good	0.34 \| good	14.72 \| good	0.394 \| good
2026-03-08T10:00:00.000Z	44 \| good	8.291 \| good	34.495 \| good	15.846 \| good	0.383 \| good	15.151 \| good	0.353 \| good
2026-03-08T11:00:00.000Z	57 \| moderate	11.885 \| good	68.095 \| fine	17.557 \| good	0.442 \| good	12.014 \| good	0.312 \| good
2026-03-08T12:00:00.000Z	54 \| moderate	11.136 \| good	50.134 \| good	9.413 \| good	0.523 \| good	11.378 \| good	0.272 \| good
2026-03-08T13:00:00.000Z	49 \| good	9.404 \| good	43.993 \| good	18.684 \| good	0.512 \| good	13.004 \| good	0.272 \| good
2026-03-08T14:00:00.000Z	44 \| good	8.447 \| good	41.104 \| good	8.698 \| good	0.577 \| good	13.343 \| good	0.284 \| good
2026-03-08T15:00:00.000Z	52 \| moderate	10.345 \| good	57.986 \| fine	5.037 \| good	0.581 \| good	14.965 \| good	0.379 \| good
2026-03-08T16:00:00.000Z	60 \| moderate	13.95 \| fine	31.408 \| good	15.777 \| good	0.483 \| good	14.615 \| good	0.283 \| good
2026-03-08T17:00:00.000Z	54 \| moderate	11.278 \| good	25.786 \| good	27.226 \| good	0.48 \| good	12.814 \| good	0.223 \| good
2026-03-08T18:00:00.000Z	49 \| good	8.675 \| good	43.074 \| good	21.488 \| good	0.331 \| good	7.514 \| good	0.179 \| good
2026-03-08T19:00:00.000Z	34 \| good	5.075 \| good	29.117 \| good	37.352 \| good	0.349 \| good	4.341 \| good	0.179 \| good
2026-03-08T20:00:00.000Z	35 \| good	4.107 \| good	19.485 \| good	37.508 \| good	0.301 \| good	2.507 \| good	0.154 \| good
2026-03-08T21:00:00.000Z	32 \| good	2.741 \| good	15.868 \| good	34.851 \| good	0.253 \| good	2.741 \| good	0.154 \| good
2026-03-08T22:00:00.000Z	35 \| good	1.774 \| good	13.947 \| good	38.081 \| good	0.258 \| good	2.325 \| good	0.162 \| good
2026-03-08T23:00:00.000Z	35 \| good	3.176 \| good	21.768 \| good	37.639 \| good	0.246 \| good	2.993 \| good	0.162 \| good
2026-03-09T00:00:00.000Z	29 \| good	5.453 \| good	24.691 \| good	31.255 \| good	0.311 \| good	10.966 \| good	0.148 \| good
2026-03-09T01:00:00.000Z	28 \| good	3.569 \| good	27.642 \| good	29.892 \| good	0.394 \| good	12.87 \| good	0.193 \| good
2026-03-09T02:00:00.000Z	31 \| good	4.186 \| good	15.623 \| good	33.3 \| good	0.36 \| good	9.446 \| good	0.195 \| good
2026-03-09T03:00:00.000Z	49 \| good	9.23 \| good	40.987 \| good	11.695 \| good	2.289 \| good	23.744 \| good	0.348 \| good
2026-03-09T04:00:00.000Z	22 \| good	4.418 \| good	16.946 \| good	23.206 \| good	0.298 \| good	23.404 \| good	0.297 \| good
2026-03-09T05:00:00.000Z	27 \| good	4.74 \| good	28.429 \| good	25.793 \| good	0.297 \| good	23.061 \| good	0.359 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.891 \| good	22.255 \| good	15.817 \| good	0.288 \| good	20.893 \| good	0.394 \| good
2026-03-09T07:00:00.000Z	33 \| good	6.191 \| good	30.896 \| good	14.999 \| good	0.3 \| good	25.119 \| good	0.391 \| good
2026-03-09T08:00:00.000Z	22 \| good	3.946 \| good	22.321 \| good	16.486 \| good	0.349 \| good	19.492 \| good	0.396 \| good
2026-03-09T09:00:00.000Z	27 \| good	5.44 \| good	26.982 \| good	16.57 \| good	0.323 \| good	20.292 \| good	0.395 \| good
2026-03-09T10:00:00.000Z	49 \| good	8.998 \| good	44.541 \| good	10.264 \| good	0.387 \| good	19.44 \| good	0.418 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.803 \| good	19.088 \| good	13.883 \| good	0.56 \| good	23.752 \| good	0.435 \| good
2026-03-09T12:00:00.000Z	38 \| good	6.69 \| good	19.401 \| good	3.813 \| good	0.898 \| good	28.18 \| good	0.594 \| good
2026-03-09T13:00:00.000Z	52 \| moderate	9.514 \| good	43.154 \| good	4.087 \| good	0.967 \| good	28.099 \| good	0.681 \| good
2026-03-09T14:00:00.000Z	58 \| moderate	12.961 \| fine	42.195 \| good	14.373 \| good	1.356 \| good	24.549 \| good	0.765 \| good
2026-03-09T15:00:00.000Z	52 \| moderate	9.826 \| good	39.05 \| good	9.352 \| good	1.335 \| good	29.571 \| good	0.629 \| good
2026-03-09T16:00:00.000Z	44 \| good	7.56 \| good	33.487 \| good	24.773 \| good	0.613 \| good	19.722 \| good	0.487 \| good
2026-03-09T17:00:00.000Z	31 \| good	5.171 \| good	25.722 \| good	34.016 \| good	0.449 \| good	7.553 \| good	0.307 \| good
2026-03-09T18:00:00.000Z	33 \| good	3.724 \| good	20.502 \| good	36.283 \| good	0.294 \| good	7.634 \| good	0.159 \| good
2026-03-09T19:00:00.000Z	38 \| good	5.208 \| good	14.089 \| good	40.554 \| good	0.284 \| good	4.151 \| good	0.181 \| good
2026-03-09T20:00:00.000Z	35 \| good	3.026 \| good	12.005 \| good	38.007 \| good	0.225 \| good	3.523 \| good	0.194 \| good
2026-03-09T21:00:00.000Z	41 \| good	3.52 \| good	15.792 \| good	44.337 \| good	0.177 \| good	3.386 \| good	0.208 \| good
2026-03-09T21:00:00.000Z	41 \| good	3.52 \| good	15.792 \| good	44.337 \| good	0.177 \| good	3.386 \| good	0.208 \| good
2026-03-09T22:00:00.000Z	37 \| good	5.006 \| good	21.848 \| good	40.479 \| good	2.04 \| good	10.702 \| good	0.264 \| good
2026-03-09T23:00:00.000Z	36 \| good	5.542 \| good	23.95 \| good	39.346 \| good	1.683 \| good	13.105 \| good	0.27 \| good
2026-03-10T00:00:00.000Z	33 \| good	5.582 \| good	24.137 \| good	36.235 \| good	1.326 \| good	15.509 \| good	0.275 \| good
2026-03-10T01:00:00.000Z	33 \| good	6.054 \| good	26.929 \| good	32.758 \| good	1.173 \| good	14.363 \| good	0.265 \| good
2026-03-10T02:00:00.000Z	44 \| good	7.628 \| good	33.879 \| good	36.315 \| good	1.021 \| good	13.217 \| good	0.255 \| good
2026-03-10T03:00:00.000Z	44 \| good	7.614 \| good	33.947 \| good	33.242 \| good	0.868 \| good	12.07 \| good	0.245 \| good
2026-03-10T04:00:00.000Z	38 \| good	7.431 \| good	32.996 \| good	32.169 \| good	0.873 \| good	11.787 \| good	0.24 \| good
2026-03-10T05:00:00.000Z	44 \| good	8.487 \| good	37.029 \| good	32.293 \| good	0.877 \| good	11.503 \| good	0.235 \| good
2026-03-10T06:00:00.000Z	49 \| good	9.155 \| good	41.055 \| good	29.187 \| good	0.882 \| good	11.219 \| good	0.229 \| good
2026-03-10T07:00:00.000Z	52 \| moderate	9.737 \| good	43.112 \| good	11.939 \| good	0.984 \| good	11.647 \| good	0.229 \| good
2026-03-10T08:00:00.000Z	49 \| good	9.296 \| good	41.1 \| good	10.845 \| good	1.087 \| good	12.076 \| good	0.228 \| good
2026-03-10T09:00:00.000Z	44 \| good	8.047 \| good	34.996 \| good	10.994 \| good	1.189 \| good	12.504 \| good	0.227 \| good
2026-03-10T10:00:00.000Z	33 \| good	6.361 \| good	28.162 \| good	21.772 \| good	1.259 \| good	13.1 \| good	0.245 \| good
2026-03-10T11:00:00.000Z	44 \| good	8.072 \| good	35.121 \| good	17.858 \| good	1.328 \| good	13.696 \| good	0.263 \| good
2026-03-10T12:00:00.000Z	44 \| good	7.707 \| good	33.999 \| good	15.649 \| good	1.397 \| good	14.291 \| good	0.281 \| good
2026-03-10T13:00:00.000Z	44 \| good	7.84 \| good	34.05 \| good	18.184 \| good	1.44 \| good	13.035 \| good	0.283 \| good
2026-03-10T14:00:00.000Z	44 \| good	8.355 \| good	36.775 \| good	22.271 \| good	1.484 \| good	11.78 \| good	0.285 \| good
2026-03-10T15:00:00.000Z	49 \| good	8.579 \| good	37.73 \| good	30.841 \| good	1.527 \| good	10.524 \| good	0.286 \| good
2026-03-10T16:00:00.000Z	44 \| good	8.165 \| good	35.837 \| good	40.467 \| good	1.424 \| good	9.155 \| good	0.272 \| good
2026-03-10T17:00:00.000Z	42 \| good	7.358 \| good	32.728 \| good	45.219 \| good	1.322 \| good	7.787 \| good	0.257 \| good
2026-03-10T18:00:00.000Z	49 \| good	9.07 \| good	40.456 \| good	40.177 \| good	1.22 \| good	6.418 \| good	0.242 \| good
2026-03-10T19:00:00.000Z	49 \| good	9.264 \| good	41.526 \| good	40.064 \| good	1.113 \| good	6.439 \| good	0.237 \| good
2026-03-10T20:00:00.000Z	44 \| good	8.442 \| good	36.871 \| good	39.331 \| good	1.006 \| good	6.46 \| good	0.232 \| good
2026-03-10T21:00:00.000Z	49 \| good	8.668 \| good	37.868 \| good	38.642 \| good	0.899 \| good	6.481 \| good	0.227 \| good
2026-03-10T22:00:00.000Z	38 \| good	7.24 \| good	31.92 \| good	39.963 \| good	0.9 \| good	7.953 \| good	0.232 \| good
2026-03-10T23:00:00.000Z	44 \| good	8.401 \| good	36.954 \| good	41.368 \| good	0.902 \| good	9.424 \| good	0.237 \| good
2026-03-11T00:00:00.000Z	40 \| good	6.257 \| good	27.989 \| good	42.6 \| good	0.903 \| good	10.896 \| good	0.242 \| good
2026-03-11T01:00:00.000Z	40 \| good	6.266 \| good	27.986 \| good	42.618 \| good	0.938 \| good	10.044 \| good	0.236 \| good
2026-03-11T02:00:00.000Z	52 \| moderate	9.992 \| good	44.803 \| good	40.193 \| good	0.973 \| good	9.192 \| good	0.231 \| good
2026-03-11T03:00:00.000Z	49 \| good	8.9 \| good	39.257 \| good	35.359 \| good	1.008 \| good	8.34 \| good	0.225 \| good
2026-03-11T04:00:00.000Z	44 \| good	8.036 \| good	35.16 \| good	30.54 \| good	1.009 \| good	8.097 \| good	0.22 \| good
2026-03-11T05:00:00.000Z	44 \| good	7.709 \| good	34.116 \| good	26.655 \| good	1.009 \| good	7.854 \| good	0.214 \| good
2026-03-11T06:00:00.000Z	66 \| moderate	17.389 \| fine	17.504 \| good	30.278 \| good	1.016 \| good	7.604 \| good	0.208 \| good
2026-03-11T07:00:00.000Z	44 \| good	8.027 \| good	35.203 \| good	23.079 \| good	1.127 \| good	7.274 \| good	0.199 \| good
2026-03-11T08:00:00.000Z	52 \| moderate	9.878 \| good	43.998 \| good	16.653 \| good	1.244 \| good	6.936 \| good	0.19 \| good
2026-03-11T09:00:00.000Z	49 \| good	9.08 \| good	40.843 \| good	14.262 \| good	1.361 \| good	6.599 \| good	0.181 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.19 \| good	36.055 \| good	19.266 \| good	1.456 \| good	7.469 \| good	0.183 \| good
2026-03-11T11:00:00.000Z	44 \| good	7.501 \| good	33.035 \| good	20.162 \| good	1.552 \| good	8.34 \| good	0.185 \| good
2026-03-11T12:00:00.000Z	60 \| moderate	13.774 \| fine	13.868 \| good	23.33 \| good	1.645 \| good	9.182 \| good	0.187 \| good
2026-03-11T13:00:00.000Z	60 \| moderate	13.665 \| fine	13.741 \| good	24.301 \| good	1.637 \| good	8.227 \| good	0.19 \| good
2026-03-11T14:00:00.000Z	58 \| moderate	13.258 \| fine	13.33 \| good	25.272 \| good	1.629 \| good	7.272 \| good	0.194 \| good
2026-03-11T15:00:00.000Z	58 \| moderate	13.035 \| fine	13.106 \| good	26.243 \| good	1.62 \| good	6.317 \| good	0.197 \| good
2026-03-11T16:00:00.000Z	58 \| moderate	13.392 \| fine	13.46 \| good	28.537 \| good	1.413 \| good	5.632 \| good	0.189 \| good
2026-03-11T17:00:00.000Z	33 \| good	5.864 \| good	25.087 \| good	27.95 \| good	1.201 \| good	4.973 \| good	0.181 \| good
2026-03-11T18:00:00.000Z	58 \| moderate	13.224 \| fine	13.294 \| good	33.124 \| good	0.997 \| good	4.26 \| good	0.173 \| good
2026-03-11T19:00:00.000Z	58 \| moderate	12.956 \| fine	13.047 \| good	34.016 \| good	0.887 \| good	4.375 \| good	0.17 \| good
2026-03-11T20:00:00.000Z	58 \| moderate	12.505 \| fine	12.595 \| good	34.908 \| good	0.776 \| good	4.489 \| good	0.167 \| good
2026-03-11T21:00:00.000Z	56 \| moderate	12.134 \| fine	12.209 \| good	35.8 \| good	0.666 \| good	4.603 \| good	0.163 \| good

Arnold

Empower business decisions with accurate air quality data

Arnold, Maryland air quality map: Real-time AQI near you

0.19ppm

How accurate is Maryland, USA air quality data?

Air quality measurements for Maryland, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Arnold, Maryland updated?

Air quality data for Arnold, Maryland is updated on an hourly basis.

When did Arnold, Maryland experience the worst air quality in the last 24 hours?

The worst air quality in Arnold, Maryland was recorded at 02:00:00 on 2026-03-09.

When did Arnold, Maryland have its best air quality in the last 24 hours?

The best air quality in Arnold, Maryland was recorded at 08:00:00 on 2026-03-09.

What is the real-time air quality index for Arnold, Maryland?

The real-time air quality index in Arnold, Maryland is 41, currently categorized as Good.

Which pollutant is found most often in Arnold, Maryland?

The most common pollutant in Arnold, Maryland is O3.

What can I do if the air quality in Arnold, Maryland is poor?

If the air quality in Arnold, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Arnold, Maryland?

The measured PM_2.5 levels in Arnold, Maryland at present are 3.52 μg/m³.

What are the current PM₁₀ levels at Arnold, Maryland?

The current PM₁₀ levels in Arnold, Maryland are 15.792 μg/m³.

What are the current carbon monoxide (CO) levels at Arnold, Maryland?

The current carbon monoxide (CO) level in Arnold, Maryland is 0.208 ppm.

What are the current sulfur dioxide (SO₂) levels at Arnold, Maryland?

The current sulfur dioxide (SO₂) levels in Arnold, Maryland are 0.177 ppb.

What are the current ozone (O₃) levels at Arnold, Maryland?

The current ozone (O₃) levels at Arnold, Maryland is 44.337 ppm.

What are the current nitrogen dioxide (NO₂) levels at Arnold, Maryland?

The current nitrogen dioxide (NO₂) levels at Arnold, Maryland is 3.386 ppb.

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