What are the current PM10 levels at Arnold, Maryland?

The current PM10 levels in Arnold, Maryland are 33.845 μg/m3.

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

The current sulfur dioxide (SO2) levels in Arnold, Maryland are 0.296 ppb.

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

The current ozone (O3) levels at Arnold, Maryland is 26.368 ppm.

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

The current nitrogen dioxide (NO2) levels at Arnold, Maryland is 5.147 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 6.08 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)

6.08 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

33.84 μg/m³

155

255

425

605+

Ozone (O₃)

26.37 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.15 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2026-03-05T04:00:00.000Z	66 \| moderate	16.981 \| fine	68.568 \| fine	13.154 \| good	0.331 \| good	16.221 \| good	0.36 \| good
2026-03-05T05:00:00.000Z	64 \| moderate	15.516 \| fine	66.42 \| fine	11.727 \| good	0.213 \| good	18.696 \| good	0.354 \| good
2026-03-05T06:00:00.000Z	64 \| moderate	15.841 \| fine	31.875 \| good	9.192 \| good	0.224 \| good	13.778 \| good	0.313 \| good
2026-03-05T07:00:00.000Z	62 \| moderate	14.65 \| fine	44.49 \| good	8.178 \| good	0.231 \| good	13.173 \| good	0.317 \| good
2026-03-05T08:00:00.000Z	64 \| moderate	16.039 \| fine	34.407 \| good	4.981 \| good	0.261 \| good	11.819 \| good	0.323 \| good
2026-03-05T09:00:00.000Z	54 \| moderate	11.188 \| good	39.21 \| good	7.042 \| good	0.27 \| good	10.819 \| good	0.34 \| good
2026-03-05T10:00:00.000Z	62 \| moderate	15.116 \| fine	38.962 \| good	5.083 \| good	0.203 \| good	10.499 \| good	0.323 \| good
2026-03-05T11:00:00.000Z	58 \| moderate	13.027 \| fine	39.785 \| good	7.869 \| good	0.201 \| good	11.322 \| good	0.301 \| good
2026-03-05T12:00:00.000Z	64 \| moderate	15.64 \| fine	43.467 \| good	5.611 \| good	0.182 \| good	10.626 \| good	0.32 \| good
2026-03-05T13:00:00.000Z	73 \| moderate	21.48 \| fine	72.512 \| fine	3.782 \| good	0.179 \| good	11.414 \| good	0.336 \| good
2026-03-05T14:00:00.000Z	66 \| moderate	17.389 \| fine	55.361 \| fine	8.136 \| good	0.193 \| good	12.645 \| good	0.36 \| good
2026-03-05T15:00:00.000Z	62 \| moderate	14.582 \| fine	65.485 \| fine	14.89 \| good	0.207 \| good	12.948 \| good	0.354 \| good
2026-03-05T16:00:00.000Z	67 \| moderate	18.44 \| fine	49.428 \| good	15.775 \| good	0.212 \| good	14.049 \| good	0.346 \| good
2026-03-05T17:00:00.000Z	64 \| moderate	15.8 \| fine	64.448 \| fine	17.136 \| good	0.285 \| good	11.711 \| good	0.311 \| good
2026-03-05T18:00:00.000Z	73 \| moderate	20.711 \| fine	91.107 \| fine	9.77 \| good	0.35 \| good	11 \| good	0.317 \| good
2026-03-05T19:00:00.000Z	75 \| moderate	21.961 \| fine	98.92 \| fine	13.977 \| good	0.359 \| good	9.836 \| good	0.335 \| good
2026-03-05T20:00:00.000Z	73 \| moderate	20.926 \| fine	84.666 \| fine	16.991 \| good	0.412 \| good	11.13 \| good	0.375 \| good
2026-03-05T21:00:00.000Z	71 \| moderate	19.579 \| fine	59.317 \| fine	19.256 \| good	0.4 \| good	14.194 \| good	0.394 \| good
2026-03-05T22:00:00.000Z	73 \| moderate	21.117 \| fine	75.06 \| fine	19.357 \| good	0.382 \| good	12.885 \| good	0.378 \| good
2026-03-05T23:00:00.000Z	73 \| moderate	20.577 \| fine	74.212 \| fine	17.437 \| good	0.298 \| good	10.264 \| good	0.413 \| good
2026-03-06T00:00:00.000Z	62 \| moderate	15.466 \| fine	48.142 \| good	19.086 \| good	0.305 \| good	6.569 \| good	0.354 \| good
2026-03-06T01:00:00.000Z	64 \| moderate	16.468 \| fine	64.622 \| fine	12.145 \| good	0.247 \| good	7.245 \| good	0.312 \| good
2026-03-06T02:00:00.000Z	60 \| moderate	13.863 \| fine	62.53 \| fine	12.602 \| good	0.189 \| good	10.011 \| good	0.331 \| good
2026-03-06T03:00:00.000Z	49 \| good	9.434 \| good	42.093 \| good	34.948 \| good	0.471 \| good	5.633 \| good	0.216 \| good
2026-03-06T04:00:00.000Z	49 \| good	9.255 \| good	22.181 \| good	14.982 \| good	0.256 \| good	9.098 \| good	0.296 \| good
2026-03-06T05:00:00.000Z	58 \| moderate	12.745 \| fine	48.006 \| good	12.172 \| good	0.163 \| good	9.057 \| good	0.277 \| good
2026-03-06T06:00:00.000Z	54 \| moderate	10.539 \| good	40.141 \| good	11.909 \| good	0.151 \| good	10.648 \| good	0.294 \| good
2026-03-06T07:00:00.000Z	67 \| moderate	17.523 \| fine	34.96 \| good	13.669 \| good	0.167 \| good	13.337 \| good	0.277 \| good
2026-03-06T08:00:00.000Z	38 \| good	7.491 \| good	16.888 \| good	8.242 \| good	0.163 \| good	10.605 \| good	0.277 \| good
2026-03-06T09:00:00.000Z	60 \| moderate	13.953 \| fine	53.872 \| good	13.964 \| good	0.166 \| good	12.057 \| good	0.277 \| good
2026-03-06T10:00:00.000Z	44 \| good	7.986 \| good	31.668 \| good	18.637 \| good	0.168 \| good	9.593 \| good	0.277 \| good
2026-03-06T11:00:00.000Z	49 \| good	9.06 \| good	36.021 \| good	15.814 \| good	0.196 \| good	13.882 \| good	0.318 \| good
2026-03-06T12:00:00.000Z	27 \| good	5.442 \| good	25.089 \| good	13.083 \| good	0.246 \| good	14.408 \| good	0.301 \| good
2026-03-06T13:00:00.000Z	54 \| moderate	11.252 \| good	33.432 \| good	8.976 \| good	0.228 \| good	12.72 \| good	0.32 \| good
2026-03-06T14:00:00.000Z	44 \| good	8.466 \| good	26.584 \| good	16.274 \| good	0.247 \| good	12.384 \| good	0.296 \| good
2026-03-06T15:00:00.000Z	44 \| good	8.173 \| good	22.016 \| good	15.266 \| good	0.174 \| good	10.334 \| good	0.312 \| good
2026-03-06T16:00:00.000Z	34 \| good	6.002 \| good	37.471 \| good	16.38 \| good	0.175 \| good	11.983 \| good	0.328 \| good
2026-03-06T17:00:00.000Z	54 \| moderate	10.731 \| good	55.132 \| fine	20.517 \| good	0.198 \| good	11.957 \| good	0.296 \| good
2026-03-06T18:00:00.000Z	52 \| moderate	9.998 \| good	48.665 \| good	21.49 \| good	0.296 \| good	10.907 \| good	0.254 \| good
2026-03-06T19:00:00.000Z	49 \| good	8.833 \| good	44.803 \| good	24.123 \| good	0.323 \| good	9.742 \| good	0.254 \| good
2026-03-06T20:00:00.000Z	44 \| good	8.459 \| good	38.039 \| good	22.97 \| good	0.274 \| good	8.923 \| good	0.26 \| good
2026-03-06T21:00:00.000Z	54 \| moderate	10.62 \| good	34.236 \| good	23.376 \| good	0.213 \| good	7.776 \| good	0.236 \| good
2026-03-06T22:00:00.000Z	54 \| moderate	11.273 \| good	48.569 \| good	21.635 \| good	0.255 \| good	10.084 \| good	0.255 \| good
2026-03-06T23:00:00.000Z	44 \| good	8.25 \| good	42.889 \| good	26.475 \| good	0.292 \| good	9.668 \| good	0.278 \| good
2026-03-07T00:00:00.000Z	49 \| good	9.172 \| good	32.028 \| good	29.608 \| good	0.337 \| good	8.42 \| good	0.252 \| good
2026-03-07T01:00:00.000Z	49 \| good	9.452 \| good	22.285 \| good	27.247 \| good	0.176 \| good	8.522 \| good	0.277 \| good
2026-03-07T02:00:00.000Z	33 \| good	6.08 \| good	33.845 \| good	26.368 \| good	0.296 \| good	5.147 \| good	0.236 \| good
2026-03-07T03:00:00.000Z	33 \| good	6.08 \| good	33.845 \| good	26.368 \| good	0.296 \| good	5.147 \| good	0.236 \| good
2026-03-07T04:00:00.000Z	33 \| good	5.743 \| good	25.061 \| good	21.888 \| good	0.516 \| good	3.139 \| good	0.166 \| good
2026-03-07T05:00:00.000Z	33 \| good	5.562 \| good	23.973 \| good	20.562 \| good	0.481 \| good	2.872 \| good	0.163 \| good
2026-03-07T06:00:00.000Z	33 \| good	6.477 \| good	28.955 \| good	19.061 \| good	0.445 \| good	2.605 \| good	0.161 \| good
2026-03-07T07:00:00.000Z	38 \| good	7.031 \| good	31.053 \| good	18.837 \| good	0.438 \| good	2.543 \| good	0.159 \| good
2026-03-07T08:00:00.000Z	38 \| good	7.314 \| good	32.085 \| good	16.57 \| good	0.431 \| good	2.481 \| good	0.157 \| good
2026-03-07T09:00:00.000Z	44 \| good	7.61 \| good	33.89 \| good	14.812 \| good	0.424 \| good	2.419 \| good	0.155 \| good
2026-03-07T10:00:00.000Z	44 \| good	7.595 \| good	33.795 \| good	11.963 \| good	0.466 \| good	3.354 \| good	0.161 \| good
2026-03-07T11:00:00.000Z	38 \| good	6.804 \| good	30.04 \| good	13.064 \| good	0.509 \| good	4.289 \| good	0.167 \| good
2026-03-07T12:00:00.000Z	38 \| good	7.054 \| good	31.032 \| good	17.671 \| good	0.551 \| good	5.224 \| good	0.174 \| good
2026-03-07T13:00:00.000Z	33 \| good	6.35 \| good	28.082 \| good	21.233 \| good	0.628 \| good	5.838 \| good	0.184 \| good
2026-03-07T14:00:00.000Z	38 \| good	6.55 \| good	29.065 \| good	23.366 \| good	0.705 \| good	6.453 \| good	0.195 \| good
2026-03-07T15:00:00.000Z	38 \| good	6.85 \| good	30.101 \| good	24.808 \| good	0.781 \| good	7.068 \| good	0.205 \| good
2026-03-07T16:00:00.000Z	38 \| good	7.052 \| good	31.079 \| good	25.732 \| good	0.821 \| good	6.46 \| good	0.201 \| good
2026-03-07T17:00:00.000Z	38 \| good	7.216 \| good	32.01 \| good	26.868 \| good	0.862 \| good	5.852 \| good	0.196 \| good
2026-03-07T18:00:00.000Z	44 \| good	7.86 \| good	34.101 \| good	28.81 \| good	0.902 \| good	5.244 \| good	0.191 \| good
2026-03-07T19:00:00.000Z	44 \| good	7.978 \| good	35.025 \| good	30.543 \| good	0.864 \| good	5.309 \| good	0.184 \| good
2026-03-07T20:00:00.000Z	49 \| good	8.604 \| good	37.948 \| good	32.55 \| good	0.826 \| good	5.375 \| good	0.176 \| good
2026-03-07T21:00:00.000Z	52 \| moderate	9.645 \| good	43.06 \| good	33.475 \| good	0.789 \| good	5.44 \| good	0.169 \| good
2026-03-07T22:00:00.000Z	52 \| moderate	9.775 \| good	43.183 \| good	33.652 \| good	0.783 \| good	6.208 \| good	0.163 \| good
2026-03-07T23:00:00.000Z	44 \| good	7.559 \| good	33.217 \| good	35.273 \| good	0.778 \| good	6.977 \| good	0.157 \| good
2026-03-08T00:00:00.000Z	49 \| good	8.788 \| good	38.304 \| good	38.215 \| good	0.773 \| good	7.745 \| good	0.152 \| good
2026-03-08T01:00:00.000Z	52 \| moderate	9.619 \| good	43.115 \| good	33.795 \| good	0.856 \| good	6.878 \| good	0.142 \| good
2026-03-08T02:00:00.000Z	49 \| good	8.728 \| good	38.076 \| good	27.619 \| good	0.939 \| good	6.01 \| good	0.132 \| good
2026-03-08T03:00:00.000Z	33 \| good	5.666 \| good	24.265 \| good	24.625 \| good	1.022 \| good	5.143 \| good	0.122 \| good
2026-03-08T04:00:00.000Z	27 \| good	5.002 \| good	21.143 \| good	23.433 \| good	1.043 \| good	4.639 \| good	0.117 \| good
2026-03-08T05:00:00.000Z	27 \| good	5.404 \| good	23.007 \| good	22.971 \| good	1.064 \| good	4.135 \| good	0.113 \| good
2026-03-08T06:00:00.000Z	33 \| good	5.788 \| good	5.959 \| good	29.431 \| good	1.084 \| good	3.606 \| good	0.109 \| good
2026-03-08T07:00:00.000Z	33 \| good	5.714 \| good	24.864 \| good	24.754 \| good	1.108 \| good	3.461 \| good	0.108 \| good
2026-03-08T08:00:00.000Z	33 \| good	6.146 \| good	26.923 \| good	24.392 \| good	1.131 \| good	3.292 \| good	0.108 \| good
2026-03-08T09:00:00.000Z	38 \| good	7.013 \| good	31.015 \| good	21.51 \| good	1.153 \| good	3.122 \| good	0.107 \| good
2026-03-08T10:00:00.000Z	38 \| good	6.52 \| good	28.955 \| good	21.295 \| good	1.165 \| good	3.802 \| good	0.113 \| good
2026-03-08T11:00:00.000Z	33 \| good	6.249 \| good	27.986 \| good	21.589 \| good	1.176 \| good	4.482 \| good	0.119 \| good
2026-03-08T12:00:00.000Z	38 \| good	6.563 \| good	6.668 \| good	26.465 \| good	1.182 \| good	5.132 \| good	0.125 \| good
2026-03-08T13:00:00.000Z	38 \| good	7.042 \| good	7.132 \| good	25.197 \| good	1.249 \| good	6.067 \| good	0.139 \| good
2026-03-08T14:00:00.000Z	38 \| good	7.455 \| good	7.536 \| good	23.929 \| good	1.317 \| good	7.001 \| good	0.153 \| good
2026-03-08T15:00:00.000Z	44 \| good	7.861 \| good	7.943 \| good	22.662 \| good	1.384 \| good	7.936 \| good	0.168 \| good
2026-03-08T16:00:00.000Z	44 \| good	7.762 \| good	7.86 \| good	24.165 \| good	1.511 \| good	7.257 \| good	0.167 \| good
2026-03-08T17:00:00.000Z	44 \| good	7.753 \| good	7.87 \| good	25.669 \| good	1.638 \| good	6.578 \| good	0.167 \| good
2026-03-08T18:00:00.000Z	38 \| good	7.213 \| good	7.396 \| good	27.172 \| good	1.764 \| good	5.899 \| good	0.167 \| good
2026-03-08T19:00:00.000Z	38 \| good	7.103 \| good	7.366 \| good	28.507 \| good	1.663 \| good	5.938 \| good	0.167 \| good
2026-03-08T20:00:00.000Z	38 \| good	7.216 \| good	7.487 \| good	29.841 \| good	1.562 \| good	5.977 \| good	0.167 \| good
2026-03-08T21:00:00.000Z	38 \| good	6.785 \| good	7.132 \| good	31.175 \| good	1.46 \| good	6.017 \| good	0.167 \| good
2026-03-08T22:00:00.000Z	38 \| good	7.017 \| good	7.34 \| good	27.804 \| good	1.547 \| good	9.068 \| good	0.189 \| good
2026-03-08T23:00:00.000Z	44 \| good	7.863 \| good	8.185 \| good	24.434 \| good	1.635 \| good	12.119 \| good	0.21 \| good
2026-03-09T00:00:00.000Z	49 \| good	9.137 \| good	9.458 \| good	21.063 \| good	1.722 \| good	15.169 \| good	0.231 \| good
2026-03-09T01:00:00.000Z	52 \| moderate	10.068 \| good	10.381 \| good	21.923 \| good	1.879 \| good	15.264 \| good	0.235 \| good
2026-03-09T02:00:00.000Z	52 \| moderate	10.266 \| good	10.576 \| good	22.782 \| good	2.037 \| good	15.359 \| good	0.239 \| good
2026-03-09T03:00:00.000Z	52 \| moderate	9.893 \| good	10.188 \| good	23.641 \| good	2.195 \| good	15.453 \| good	0.243 \| good

Arnold

Empower business decisions with accurate air quality data

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

0.24ppm

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 07:00:00 on 2026-03-06.

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

The best air quality in Arnold, Maryland was recorded at 12:00:00 on 2026-03-06.

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

The real-time air quality index in Arnold, Maryland is 33, currently categorized as Good.

Which pollutant is found most often in Arnold, Maryland?

The most common pollutant in Arnold, Maryland is PM2.5.

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 6.08 μg/m³.

What are the current PM₁₀ levels at Arnold, Maryland?

The current PM₁₀ levels in Arnold, Maryland are 33.845 μg/m³.

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

The current carbon monoxide (CO) level in Arnold, Maryland is 0.236 ppm.

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

The current sulfur dioxide (SO₂) levels in Arnold, Maryland are 0.296 ppb.

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

The current ozone (O₃) levels at Arnold, Maryland is 26.368 ppm.

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

The current nitrogen dioxide (NO₂) levels at Arnold, Maryland is 5.147 ppb.

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