What are the current PM10 levels at Arnold, Maryland?

The current PM10 levels in Arnold, Maryland are 28.223 μg/m3.

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

The current sulfur dioxide (SO2) levels in Arnold, Maryland are 0.176 ppb.

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

The current ozone (O3) levels at Arnold, Maryland is 37.053 ppm.

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

The current nitrogen dioxide (NO2) levels at Arnold, Maryland is 3.926 ppb.

Live air quality index in Arnold, Maryland today

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

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)

Major air pollutants in Arnold, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.58 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.22 μg/m³

155

255

425

605+

Ozone (O₃)

37.05 ppb

201

201+

Sulfur Dioxide (SO₂)

0.18 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.93 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Arnold, Maryland

Get Live Pollen Counts

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
2025-06-05T00:00:00.000Z	49 \| good	5.442 \| good	23.317 \| good	53.415 \| good	0.218 \| good	4.708 \| good	0.285 \| good
2025-06-05T01:00:00.000Z	49 \| good	6.294 \| good	24.959 \| good	53.5 \| good	0.243 \| good	6.555 \| good	0.304 \| good
2025-06-05T02:00:00.000Z	49 \| good	6.586 \| good	22.349 \| good	53.17 \| good	0.22 \| good	6.224 \| good	0.304 \| good
2025-06-05T03:00:00.000Z	44 \| good	8.323 \| good	41.007 \| good	47.845 \| good	0.212 \| good	7.433 \| good	0.304 \| good
2025-06-05T04:00:00.000Z	44 \| good	6.73 \| good	47.908 \| good	44.265 \| good	0.193 \| good	10.133 \| good	0.28 \| good
2025-06-05T05:00:00.000Z	38 \| good	7.354 \| good	31.032 \| good	37.898 \| good	0.221 \| good	8.472 \| good	0.317 \| good
2025-06-05T06:00:00.000Z	49 \| good	8.772 \| good	48.883 \| good	37.674 \| good	0.202 \| good	7.661 \| good	0.256 \| good
2025-06-05T07:00:00.000Z	40 \| good	6.709 \| good	43.27 \| good	29.39 \| good	0.213 \| good	10.842 \| good	0.261 \| good
2025-06-05T08:00:00.000Z	44 \| good	8.39 \| good	33.428 \| good	34.218 \| good	0.279 \| good	9.408 \| good	0.261 \| good
2025-06-05T09:00:00.000Z	44 \| good	7.566 \| good	29.225 \| good	32.668 \| good	0.231 \| good	7.428 \| good	0.28 \| good
2025-06-05T10:00:00.000Z	38 \| good	7.263 \| good	22.526 \| good	32.508 \| good	0.185 \| good	11.86 \| good	0.286 \| good
2025-06-05T11:00:00.000Z	33 \| good	6.28 \| good	22.722 \| good	23.355 \| good	0.298 \| good	12.733 \| good	0.244 \| good
2025-06-05T12:00:00.000Z	38 \| good	6.887 \| good	35.096 \| good	19.187 \| good	0.399 \| good	6.321 \| good	0.315 \| good
2025-06-05T13:00:00.000Z	49 \| good	8.712 \| good	25.52 \| good	27.333 \| good	0.337 \| good	11.165 \| good	0.243 \| good
2025-06-05T14:00:00.000Z	49 \| good	9.16 \| good	47.126 \| good	35.337 \| good	0.262 \| good	10.888 \| good	0.243 \| good
2025-06-05T15:00:00.000Z	54 \| moderate	10.88 \| good	43.819 \| good	33.705 \| good	0.433 \| good	9.461 \| good	0.243 \| good
2025-06-05T16:00:00.000Z	49 \| good	9.384 \| good	43.268 \| good	37.702 \| good	0.952 \| good	7.318 \| good	0.243 \| good
2025-06-05T17:00:00.000Z	54 \| moderate	10.546 \| good	44.192 \| good	44.076 \| good	0.355 \| good	5.401 \| good	0.243 \| good
2025-06-05T18:00:00.000Z	56 \| moderate	12.258 \| fine	46.66 \| good	45.799 \| good	0.275 \| good	4.575 \| good	0.219 \| good
2025-06-05T19:00:00.000Z	54 \| moderate	11.443 \| good	43.368 \| good	45.086 \| good	0.279 \| good	4.27 \| good	0.219 \| good
2025-06-05T20:00:00.000Z	54 \| moderate	11.059 \| good	41.229 \| good	51.104 \| good	0.238 \| good	4.555 \| good	0.195 \| good
2025-06-05T21:00:00.000Z	54 \| moderate	11.145 \| good	35.511 \| good	50.985 \| good	0.273 \| good	4.355 \| good	0.243 \| good
2025-06-05T22:00:00.000Z	54 \| moderate	11.21 \| good	38.891 \| good	48.117 \| good	0.239 \| good	5.026 \| good	0.237 \| good
2025-06-05T23:00:00.000Z	52 \| moderate	9.951 \| good	48.501 \| good	52.106 \| good	0.969 \| good	4.325 \| good	0.237 \| good
2025-06-06T00:00:00.000Z	54 \| moderate	10.783 \| good	47.097 \| good	49.673 \| good	0.306 \| good	5.327 \| good	0.237 \| good
2025-06-06T01:00:00.000Z	53 \| moderate	9.71 \| good	59.69 \| fine	44.828 \| good	0.288 \| good	6.53 \| good	0.237 \| good
2025-06-06T02:00:00.000Z	54 \| moderate	11.092 \| good	41.028 \| good	41.493 \| good	0.208 \| good	4.466 \| good	0.256 \| good
2025-06-06T03:00:00.000Z	54 \| moderate	11.436 \| good	45.611 \| good	37.876 \| good	0.237 \| good	5.824 \| good	0.298 \| good
2025-06-06T04:00:00.000Z	52 \| moderate	10.098 \| good	41.835 \| good	32.051 \| good	0.2 \| good	6.148 \| good	0.274 \| good
2025-06-06T05:00:00.000Z	52 \| moderate	10.43 \| good	44.652 \| good	30.647 \| good	0.207 \| good	7.544 \| good	0.298 \| good
2025-06-06T06:00:00.000Z	52 \| moderate	9.619 \| good	48.136 \| good	25.535 \| good	0.165 \| good	8.86 \| good	0.274 \| good
2025-06-06T07:00:00.000Z	52 \| moderate	7.678 \| good	57.751 \| fine	20.618 \| good	0.172 \| good	8.894 \| good	0.274 \| good
2025-06-06T08:00:00.000Z	49 \| good	9.085 \| good	30.703 \| good	16.189 \| good	0.182 \| good	7.872 \| good	0.256 \| good
2025-06-06T09:00:00.000Z	44 \| good	7.852 \| good	31.868 \| good	19.276 \| good	0.182 \| good	7.898 \| good	0.28 \| good
2025-06-06T10:00:00.000Z	38 \| good	6.956 \| good	22.501 \| good	19.611 \| good	0.2 \| good	13.979 \| good	0.359 \| good
2025-06-06T11:00:00.000Z	49 \| good	9.087 \| good	48.272 \| good	15.246 \| good	0.195 \| good	11.633 \| good	0.28 \| good
2025-06-06T12:00:00.000Z	49 \| good	9.376 \| good	38.862 \| good	13.927 \| good	0.195 \| good	12.456 \| good	0.46 \| good
2025-06-06T13:00:00.000Z	52 \| moderate	9.511 \| good	46.276 \| good	17.478 \| good	0.208 \| good	12.693 \| good	0.392 \| good
2025-06-06T14:00:00.000Z	56 \| moderate	11.571 \| good	47.081 \| good	20.125 \| good	0.251 \| good	11.53 \| good	0.321 \| good
2025-06-06T15:00:00.000Z	54 \| moderate	11.322 \| good	54.421 \| good	26.483 \| good	0.278 \| good	8.761 \| good	0.261 \| good
2025-06-06T16:00:00.000Z	58 \| moderate	13.289 \| fine	59.367 \| fine	33.924 \| good	0.932 \| good	6.079 \| good	0.195 \| good
2025-06-06T17:00:00.000Z	56 \| moderate	12.284 \| fine	62.382 \| fine	39.831 \| good	0.74 \| good	4.353 \| good	0.195 \| good
2025-06-06T18:00:00.000Z	55 \| moderate	11.07 \| good	64.238 \| fine	41.587 \| good	0.293 \| good	3.548 \| good	0.22 \| good
2025-06-06T19:00:00.000Z	56 \| moderate	12.156 \| fine	46.106 \| good	42.636 \| good	0.214 \| good	3.631 \| good	0.301 \| good
2025-06-06T20:00:00.000Z	52 \| moderate	10 \| good	40.743 \| good	40.335 \| good	0.203 \| good	4.241 \| good	0.34 \| good
2025-06-06T21:00:00.000Z	44 \| good	7.752 \| good	32.661 \| good	38.492 \| good	0.265 \| good	2.806 \| good	0.22 \| good
2025-06-06T22:00:00.000Z	49 \| good	8.681 \| good	35.181 \| good	37.065 \| good	0.236 \| good	3.467 \| good	0.213 \| good
2025-06-06T23:00:00.000Z	34 \| good	5.582 \| good	28.223 \| good	37.053 \| good	0.176 \| good	3.926 \| good	0.213 \| good
2025-06-06T23:00:00.000Z	34 \| good	5.582 \| good	28.223 \| good	37.053 \| good	0.176 \| good	3.926 \| good	0.213 \| good
2025-06-07T00:00:00.000Z	44 \| good	8.04 \| good	35.079 \| good	41.473 \| good	1.047 \| good	6.243 \| good	0.224 \| good
2025-06-07T01:00:00.000Z	49 \| good	8.649 \| good	37.971 \| good	37.548 \| good	1.52 \| good	8.544 \| good	0.249 \| good
2025-06-07T02:00:00.000Z	49 \| good	9.251 \| good	41.04 \| good	31.878 \| good	1.427 \| good	7.922 \| good	0.238 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.942 \| good	43.987 \| good	27.557 \| good	1.334 \| good	7.3 \| good	0.227 \| good
2025-06-07T04:00:00.000Z	49 \| good	9.175 \| good	40.941 \| good	24.077 \| good	1.844 \| good	8.684 \| good	0.244 \| good
2025-06-07T05:00:00.000Z	52 \| moderate	10.013 \| good	44.869 \| good	23.384 \| good	1.843 \| good	8.544 \| good	0.239 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.552 \| good	37.16 \| good	24.149 \| good	1.842 \| good	8.404 \| good	0.235 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.907 \| good	34.184 \| good	25.324 \| good	1.914 \| good	6.29 \| good	0.226 \| good
2025-06-07T08:00:00.000Z	44 \| good	7.602 \| good	33.152 \| good	23.942 \| good	2.004 \| good	6.521 \| good	0.226 \| good
2025-06-07T09:00:00.000Z	49 \| good	8.788 \| good	38.305 \| good	24.296 \| good	2.094 \| good	6.752 \| good	0.225 \| good
2025-06-07T10:00:00.000Z	44 \| good	7.706 \| good	34.007 \| good	20.728 \| good	2.185 \| good	5.255 \| good	0.233 \| good
2025-06-07T11:00:00.000Z	38 \| good	7.458 \| good	32.992 \| good	22.615 \| good	2.226 \| good	5.58 \| good	0.235 \| good
2025-06-07T12:00:00.000Z	44 \| good	8.179 \| good	35.957 \| good	28.627 \| good	2.267 \| good	5.904 \| good	0.237 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.814 \| good	38.97 \| good	36.1 \| good	2.51 \| good	2.978 \| good	0.224 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	10.745 \| good	47.915 \| good	41.468 \| good	2.606 \| good	3.294 \| good	0.23 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.364 \| good	45.94 \| good	46.551 \| good	2.703 \| good	3.611 \| good	0.237 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.678 \| good	47.109 \| good	51.869 \| good	1.961 \| good	2.001 \| good	0.23 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.627 \| good	47.003 \| good	55.661 \| fine	2.209 \| good	2.435 \| good	0.243 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	10.545 \| good	46.979 \| good	57.019 \| fine	2.456 \| good	2.869 \| good	0.256 \| good
2025-06-07T19:00:00.000Z	54 \| moderate	10.544 \| good	46.993 \| good	55.306 \| fine	1.48 \| good	2.282 \| good	0.236 \| good
2025-06-07T20:00:00.000Z	52 \| moderate	9.517 \| good	42.216 \| good	52.921 \| good	1.682 \| good	2.711 \| good	0.257 \| good
2025-06-07T21:00:00.000Z	49 \| good	9.37 \| good	41.992 \| good	51.708 \| good	1.884 \| good	3.14 \| good	0.278 \| good
2025-06-07T22:00:00.000Z	46 \| good	7.497 \| good	33.078 \| good	50.485 \| good	1.296 \| good	8.658 \| good	0.289 \| good
2025-06-07T23:00:00.000Z	44 \| good	7.812 \| good	34.131 \| good	47.556 \| good	1.358 \| good	9.025 \| good	0.312 \| good
2025-06-08T00:00:00.000Z	38 \| good	5.252 \| good	22.88 \| good	41.207 \| good	1.421 \| good	9.393 \| good	0.335 \| good
2025-06-08T01:00:00.000Z	44 \| good	8.246 \| good	36.661 \| good	32.905 \| good	1.509 \| good	18.341 \| good	0.358 \| good
2025-06-08T02:00:00.000Z	60 \| moderate	14.133 \| fine	62.593 \| fine	28.268 \| good	1.525 \| good	15.853 \| good	0.349 \| good
2025-06-08T03:00:00.000Z	71 \| moderate	20.317 \| fine	88.594 \| fine	24.204 \| good	1.541 \| good	13.366 \| good	0.339 \| good
2025-06-08T04:00:00.000Z	77 \| moderate	23.434 \| fine	102.755 \| fine	15.276 \| good	1.601 \| good	15.141 \| good	0.349 \| good
2025-06-08T05:00:00.000Z	71 \| moderate	20.289 \| fine	89.45 \| fine	19.107 \| good	1.58 \| good	13.441 \| good	0.341 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	15.374 \| fine	69.24 \| fine	20.28 \| good	1.56 \| good	11.742 \| good	0.333 \| good
2025-06-08T07:00:00.000Z	56 \| moderate	11.961 \| good	52.867 \| good	19.323 \| good	1.937 \| good	8.813 \| good	0.305 \| good
2025-06-08T08:00:00.000Z	49 \| good	8.764 \| good	38.559 \| good	19.949 \| good	1.84 \| good	8.397 \| good	0.301 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	9.782 \| good	43.359 \| good	14.985 \| good	1.743 \| good	7.981 \| good	0.297 \| good
2025-06-08T10:00:00.000Z	54 \| moderate	10.589 \| good	46.54 \| good	16.119 \| good	2.034 \| good	8.888 \| good	0.3 \| good
2025-06-08T11:00:00.000Z	62 \| moderate	14.984 \| fine	67.234 \| fine	16.477 \| good	1.907 \| good	8.553 \| good	0.296 \| good
2025-06-08T12:00:00.000Z	66 \| moderate	16.502 \| fine	72.945 \| fine	25.77 \| good	1.781 \| good	8.219 \| good	0.291 \| good
2025-06-08T13:00:00.000Z	56 \| moderate	11.656 \| good	51.655 \| good	38.581 \| good	1.868 \| good	8.865 \| good	0.285 \| good
2025-06-08T14:00:00.000Z	52 \| moderate	9.958 \| good	44.687 \| good	37.928 \| good	1.78 \| good	8.293 \| good	0.281 \| good
2025-06-08T15:00:00.000Z	49 \| good	9.06 \| good	40.638 \| good	41.231 \| good	1.693 \| good	7.722 \| good	0.277 \| good
2025-06-08T16:00:00.000Z	49 \| good	8.9 \| good	38.919 \| good	48.586 \| good	1.534 \| good	4.47 \| good	0.256 \| good
2025-06-08T17:00:00.000Z	49 \| good	7.576 \| good	32.981 \| good	53.063 \| good	1.342 \| good	4.049 \| good	0.249 \| good
2025-06-08T18:00:00.000Z	54 \| moderate	7.44 \| good	32.877 \| good	55.97 \| fine	1.15 \| good	3.627 \| good	0.242 \| good
2025-06-08T19:00:00.000Z	54 \| moderate	6.707 \| good	29.829 \| good	56.195 \| fine	1.055 \| good	3.444 \| good	0.234 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	6.055 \| good	26.916 \| good	55.849 \| fine	0.914 \| good	3.05 \| good	0.229 \| good
2025-06-08T21:00:00.000Z	47 \| good	5.741 \| good	25.026 \| good	51.298 \| good	0.773 \| good	2.656 \| good	0.224 \| good
2025-06-08T22:00:00.000Z	47 \| good	6.473 \| good	29.073 \| good	50.637 \| good	0.838 \| good	4.866 \| good	0.228 \| good
2025-06-08T23:00:00.000Z	49 \| good	6.805 \| good	30.04 \| good	52.968 \| good	0.711 \| good	4.198 \| good	0.224 \| good

Arnold

Empower business decisions with accurate air quality data

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

0.21ppm

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

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 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 04:00:00 on 2025-06-06.

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

The best air quality in Arnold, Maryland was recorded at 10:00:00 on 2025-06-06.

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

The real-time air quality index in Arnold, Maryland is 34, 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 5.582 μg/m³.

What are the current PM₁₀ levels at Arnold, Maryland?

The current PM₁₀ levels in Arnold, Maryland are 28.223 μg/m³.

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

The current carbon monoxide (CO) level in Arnold, Maryland is 0.213 ppm.

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

The current sulfur dioxide (SO₂) levels in Arnold, Maryland are 0.176 ppb.

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

The current ozone (O₃) levels at Arnold, Maryland is 37.053 ppm.

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

The current nitrogen dioxide (NO₂) levels at Arnold, Maryland is 3.926 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T00:00:00.000Z	49 \| good	5.442 \| good	23.317 \| good	53.415 \| good	0.218 \| good	4.708 \| good	0.285 \| good
2025-06-05T01:00:00.000Z	49 \| good	6.294 \| good	24.959 \| good	53.5 \| good	0.243 \| good	6.555 \| good	0.304 \| good
2025-06-05T02:00:00.000Z	49 \| good	6.586 \| good	22.349 \| good	53.17 \| good	0.22 \| good	6.224 \| good	0.304 \| good
2025-06-05T03:00:00.000Z	44 \| good	8.323 \| good	41.007 \| good	47.845 \| good	0.212 \| good	7.433 \| good	0.304 \| good
2025-06-05T04:00:00.000Z	44 \| good	6.73 \| good	47.908 \| good	44.265 \| good	0.193 \| good	10.133 \| good	0.28 \| good
2025-06-05T05:00:00.000Z	38 \| good	7.354 \| good	31.032 \| good	37.898 \| good	0.221 \| good	8.472 \| good	0.317 \| good
2025-06-05T06:00:00.000Z	49 \| good	8.772 \| good	48.883 \| good	37.674 \| good	0.202 \| good	7.661 \| good	0.256 \| good
2025-06-05T07:00:00.000Z	40 \| good	6.709 \| good	43.27 \| good	29.39 \| good	0.213 \| good	10.842 \| good	0.261 \| good
2025-06-05T08:00:00.000Z	44 \| good	8.39 \| good	33.428 \| good	34.218 \| good	0.279 \| good	9.408 \| good	0.261 \| good
2025-06-05T09:00:00.000Z	44 \| good	7.566 \| good	29.225 \| good	32.668 \| good	0.231 \| good	7.428 \| good	0.28 \| good
2025-06-05T10:00:00.000Z	38 \| good	7.263 \| good	22.526 \| good	32.508 \| good	0.185 \| good	11.86 \| good	0.286 \| good
2025-06-05T11:00:00.000Z	33 \| good	6.28 \| good	22.722 \| good	23.355 \| good	0.298 \| good	12.733 \| good	0.244 \| good
2025-06-05T12:00:00.000Z	38 \| good	6.887 \| good	35.096 \| good	19.187 \| good	0.399 \| good	6.321 \| good	0.315 \| good
2025-06-05T13:00:00.000Z	49 \| good	8.712 \| good	25.52 \| good	27.333 \| good	0.337 \| good	11.165 \| good	0.243 \| good
2025-06-05T14:00:00.000Z	49 \| good	9.16 \| good	47.126 \| good	35.337 \| good	0.262 \| good	10.888 \| good	0.243 \| good
2025-06-05T15:00:00.000Z	54 \| moderate	10.88 \| good	43.819 \| good	33.705 \| good	0.433 \| good	9.461 \| good	0.243 \| good
2025-06-05T16:00:00.000Z	49 \| good	9.384 \| good	43.268 \| good	37.702 \| good	0.952 \| good	7.318 \| good	0.243 \| good
2025-06-05T17:00:00.000Z	54 \| moderate	10.546 \| good	44.192 \| good	44.076 \| good	0.355 \| good	5.401 \| good	0.243 \| good
2025-06-05T18:00:00.000Z	56 \| moderate	12.258 \| fine	46.66 \| good	45.799 \| good	0.275 \| good	4.575 \| good	0.219 \| good
2025-06-05T19:00:00.000Z	54 \| moderate	11.443 \| good	43.368 \| good	45.086 \| good	0.279 \| good	4.27 \| good	0.219 \| good
2025-06-05T20:00:00.000Z	54 \| moderate	11.059 \| good	41.229 \| good	51.104 \| good	0.238 \| good	4.555 \| good	0.195 \| good
2025-06-05T21:00:00.000Z	54 \| moderate	11.145 \| good	35.511 \| good	50.985 \| good	0.273 \| good	4.355 \| good	0.243 \| good
2025-06-05T22:00:00.000Z	54 \| moderate	11.21 \| good	38.891 \| good	48.117 \| good	0.239 \| good	5.026 \| good	0.237 \| good
2025-06-05T23:00:00.000Z	52 \| moderate	9.951 \| good	48.501 \| good	52.106 \| good	0.969 \| good	4.325 \| good	0.237 \| good
2025-06-06T00:00:00.000Z	54 \| moderate	10.783 \| good	47.097 \| good	49.673 \| good	0.306 \| good	5.327 \| good	0.237 \| good
2025-06-06T01:00:00.000Z	53 \| moderate	9.71 \| good	59.69 \| fine	44.828 \| good	0.288 \| good	6.53 \| good	0.237 \| good
2025-06-06T02:00:00.000Z	54 \| moderate	11.092 \| good	41.028 \| good	41.493 \| good	0.208 \| good	4.466 \| good	0.256 \| good
2025-06-06T03:00:00.000Z	54 \| moderate	11.436 \| good	45.611 \| good	37.876 \| good	0.237 \| good	5.824 \| good	0.298 \| good
2025-06-06T04:00:00.000Z	52 \| moderate	10.098 \| good	41.835 \| good	32.051 \| good	0.2 \| good	6.148 \| good	0.274 \| good
2025-06-06T05:00:00.000Z	52 \| moderate	10.43 \| good	44.652 \| good	30.647 \| good	0.207 \| good	7.544 \| good	0.298 \| good
2025-06-06T06:00:00.000Z	52 \| moderate	9.619 \| good	48.136 \| good	25.535 \| good	0.165 \| good	8.86 \| good	0.274 \| good
2025-06-06T07:00:00.000Z	52 \| moderate	7.678 \| good	57.751 \| fine	20.618 \| good	0.172 \| good	8.894 \| good	0.274 \| good
2025-06-06T08:00:00.000Z	49 \| good	9.085 \| good	30.703 \| good	16.189 \| good	0.182 \| good	7.872 \| good	0.256 \| good
2025-06-06T09:00:00.000Z	44 \| good	7.852 \| good	31.868 \| good	19.276 \| good	0.182 \| good	7.898 \| good	0.28 \| good
2025-06-06T10:00:00.000Z	38 \| good	6.956 \| good	22.501 \| good	19.611 \| good	0.2 \| good	13.979 \| good	0.359 \| good
2025-06-06T11:00:00.000Z	49 \| good	9.087 \| good	48.272 \| good	15.246 \| good	0.195 \| good	11.633 \| good	0.28 \| good
2025-06-06T12:00:00.000Z	49 \| good	9.376 \| good	38.862 \| good	13.927 \| good	0.195 \| good	12.456 \| good	0.46 \| good
2025-06-06T13:00:00.000Z	52 \| moderate	9.511 \| good	46.276 \| good	17.478 \| good	0.208 \| good	12.693 \| good	0.392 \| good
2025-06-06T14:00:00.000Z	56 \| moderate	11.571 \| good	47.081 \| good	20.125 \| good	0.251 \| good	11.53 \| good	0.321 \| good
2025-06-06T15:00:00.000Z	54 \| moderate	11.322 \| good	54.421 \| good	26.483 \| good	0.278 \| good	8.761 \| good	0.261 \| good
2025-06-06T16:00:00.000Z	58 \| moderate	13.289 \| fine	59.367 \| fine	33.924 \| good	0.932 \| good	6.079 \| good	0.195 \| good
2025-06-06T17:00:00.000Z	56 \| moderate	12.284 \| fine	62.382 \| fine	39.831 \| good	0.74 \| good	4.353 \| good	0.195 \| good
2025-06-06T18:00:00.000Z	55 \| moderate	11.07 \| good	64.238 \| fine	41.587 \| good	0.293 \| good	3.548 \| good	0.22 \| good
2025-06-06T19:00:00.000Z	56 \| moderate	12.156 \| fine	46.106 \| good	42.636 \| good	0.214 \| good	3.631 \| good	0.301 \| good
2025-06-06T20:00:00.000Z	52 \| moderate	10 \| good	40.743 \| good	40.335 \| good	0.203 \| good	4.241 \| good	0.34 \| good
2025-06-06T21:00:00.000Z	44 \| good	7.752 \| good	32.661 \| good	38.492 \| good	0.265 \| good	2.806 \| good	0.22 \| good
2025-06-06T22:00:00.000Z	49 \| good	8.681 \| good	35.181 \| good	37.065 \| good	0.236 \| good	3.467 \| good	0.213 \| good
2025-06-06T23:00:00.000Z	34 \| good	5.582 \| good	28.223 \| good	37.053 \| good	0.176 \| good	3.926 \| good	0.213 \| good
2025-06-06T23:00:00.000Z	34 \| good	5.582 \| good	28.223 \| good	37.053 \| good	0.176 \| good	3.926 \| good	0.213 \| good
2025-06-07T00:00:00.000Z	44 \| good	8.04 \| good	35.079 \| good	41.473 \| good	1.047 \| good	6.243 \| good	0.224 \| good
2025-06-07T01:00:00.000Z	49 \| good	8.649 \| good	37.971 \| good	37.548 \| good	1.52 \| good	8.544 \| good	0.249 \| good
2025-06-07T02:00:00.000Z	49 \| good	9.251 \| good	41.04 \| good	31.878 \| good	1.427 \| good	7.922 \| good	0.238 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.942 \| good	43.987 \| good	27.557 \| good	1.334 \| good	7.3 \| good	0.227 \| good
2025-06-07T04:00:00.000Z	49 \| good	9.175 \| good	40.941 \| good	24.077 \| good	1.844 \| good	8.684 \| good	0.244 \| good
2025-06-07T05:00:00.000Z	52 \| moderate	10.013 \| good	44.869 \| good	23.384 \| good	1.843 \| good	8.544 \| good	0.239 \| good
2025-06-07T06:00:00.000Z	49 \| good	8.552 \| good	37.16 \| good	24.149 \| good	1.842 \| good	8.404 \| good	0.235 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.907 \| good	34.184 \| good	25.324 \| good	1.914 \| good	6.29 \| good	0.226 \| good
2025-06-07T08:00:00.000Z	44 \| good	7.602 \| good	33.152 \| good	23.942 \| good	2.004 \| good	6.521 \| good	0.226 \| good
2025-06-07T09:00:00.000Z	49 \| good	8.788 \| good	38.305 \| good	24.296 \| good	2.094 \| good	6.752 \| good	0.225 \| good
2025-06-07T10:00:00.000Z	44 \| good	7.706 \| good	34.007 \| good	20.728 \| good	2.185 \| good	5.255 \| good	0.233 \| good
2025-06-07T11:00:00.000Z	38 \| good	7.458 \| good	32.992 \| good	22.615 \| good	2.226 \| good	5.58 \| good	0.235 \| good
2025-06-07T12:00:00.000Z	44 \| good	8.179 \| good	35.957 \| good	28.627 \| good	2.267 \| good	5.904 \| good	0.237 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.814 \| good	38.97 \| good	36.1 \| good	2.51 \| good	2.978 \| good	0.224 \| good
2025-06-07T14:00:00.000Z	54 \| moderate	10.745 \| good	47.915 \| good	41.468 \| good	2.606 \| good	3.294 \| good	0.23 \| good
2025-06-07T15:00:00.000Z	52 \| moderate	10.364 \| good	45.94 \| good	46.551 \| good	2.703 \| good	3.611 \| good	0.237 \| good
2025-06-07T16:00:00.000Z	54 \| moderate	10.678 \| good	47.109 \| good	51.869 \| good	1.961 \| good	2.001 \| good	0.23 \| good
2025-06-07T17:00:00.000Z	54 \| moderate	10.627 \| good	47.003 \| good	55.661 \| fine	2.209 \| good	2.435 \| good	0.243 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	10.545 \| good	46.979 \| good	57.019 \| fine	2.456 \| good	2.869 \| good	0.256 \| good
2025-06-07T19:00:00.000Z	54 \| moderate	10.544 \| good	46.993 \| good	55.306 \| fine	1.48 \| good	2.282 \| good	0.236 \| good
2025-06-07T20:00:00.000Z	52 \| moderate	9.517 \| good	42.216 \| good	52.921 \| good	1.682 \| good	2.711 \| good	0.257 \| good
2025-06-07T21:00:00.000Z	49 \| good	9.37 \| good	41.992 \| good	51.708 \| good	1.884 \| good	3.14 \| good	0.278 \| good
2025-06-07T22:00:00.000Z	46 \| good	7.497 \| good	33.078 \| good	50.485 \| good	1.296 \| good	8.658 \| good	0.289 \| good
2025-06-07T23:00:00.000Z	44 \| good	7.812 \| good	34.131 \| good	47.556 \| good	1.358 \| good	9.025 \| good	0.312 \| good
2025-06-08T00:00:00.000Z	38 \| good	5.252 \| good	22.88 \| good	41.207 \| good	1.421 \| good	9.393 \| good	0.335 \| good
2025-06-08T01:00:00.000Z	44 \| good	8.246 \| good	36.661 \| good	32.905 \| good	1.509 \| good	18.341 \| good	0.358 \| good
2025-06-08T02:00:00.000Z	60 \| moderate	14.133 \| fine	62.593 \| fine	28.268 \| good	1.525 \| good	15.853 \| good	0.349 \| good
2025-06-08T03:00:00.000Z	71 \| moderate	20.317 \| fine	88.594 \| fine	24.204 \| good	1.541 \| good	13.366 \| good	0.339 \| good
2025-06-08T04:00:00.000Z	77 \| moderate	23.434 \| fine	102.755 \| fine	15.276 \| good	1.601 \| good	15.141 \| good	0.349 \| good
2025-06-08T05:00:00.000Z	71 \| moderate	20.289 \| fine	89.45 \| fine	19.107 \| good	1.58 \| good	13.441 \| good	0.341 \| good
2025-06-08T06:00:00.000Z	62 \| moderate	15.374 \| fine	69.24 \| fine	20.28 \| good	1.56 \| good	11.742 \| good	0.333 \| good
2025-06-08T07:00:00.000Z	56 \| moderate	11.961 \| good	52.867 \| good	19.323 \| good	1.937 \| good	8.813 \| good	0.305 \| good
2025-06-08T08:00:00.000Z	49 \| good	8.764 \| good	38.559 \| good	19.949 \| good	1.84 \| good	8.397 \| good	0.301 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	9.782 \| good	43.359 \| good	14.985 \| good	1.743 \| good	7.981 \| good	0.297 \| good
2025-06-08T10:00:00.000Z	54 \| moderate	10.589 \| good	46.54 \| good	16.119 \| good	2.034 \| good	8.888 \| good	0.3 \| good
2025-06-08T11:00:00.000Z	62 \| moderate	14.984 \| fine	67.234 \| fine	16.477 \| good	1.907 \| good	8.553 \| good	0.296 \| good
2025-06-08T12:00:00.000Z	66 \| moderate	16.502 \| fine	72.945 \| fine	25.77 \| good	1.781 \| good	8.219 \| good	0.291 \| good
2025-06-08T13:00:00.000Z	56 \| moderate	11.656 \| good	51.655 \| good	38.581 \| good	1.868 \| good	8.865 \| good	0.285 \| good
2025-06-08T14:00:00.000Z	52 \| moderate	9.958 \| good	44.687 \| good	37.928 \| good	1.78 \| good	8.293 \| good	0.281 \| good
2025-06-08T15:00:00.000Z	49 \| good	9.06 \| good	40.638 \| good	41.231 \| good	1.693 \| good	7.722 \| good	0.277 \| good
2025-06-08T16:00:00.000Z	49 \| good	8.9 \| good	38.919 \| good	48.586 \| good	1.534 \| good	4.47 \| good	0.256 \| good
2025-06-08T17:00:00.000Z	49 \| good	7.576 \| good	32.981 \| good	53.063 \| good	1.342 \| good	4.049 \| good	0.249 \| good
2025-06-08T18:00:00.000Z	54 \| moderate	7.44 \| good	32.877 \| good	55.97 \| fine	1.15 \| good	3.627 \| good	0.242 \| good
2025-06-08T19:00:00.000Z	54 \| moderate	6.707 \| good	29.829 \| good	56.195 \| fine	1.055 \| good	3.444 \| good	0.234 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	6.055 \| good	26.916 \| good	55.849 \| fine	0.914 \| good	3.05 \| good	0.229 \| good
2025-06-08T21:00:00.000Z	47 \| good	5.741 \| good	25.026 \| good	51.298 \| good	0.773 \| good	2.656 \| good	0.224 \| good
2025-06-08T22:00:00.000Z	47 \| good	6.473 \| good	29.073 \| good	50.637 \| good	0.838 \| good	4.866 \| good	0.228 \| good
2025-06-08T23:00:00.000Z	49 \| good	6.805 \| good	30.04 \| good	52.968 \| good	0.711 \| good	4.198 \| good	0.224 \| good

Live air quality index in Arnold, Maryland today

Major air pollutants in Arnold, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Arnold, Maryland air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Severna Park, Maryland

Annapolis, Maryland

Parole, Maryland

Lake Shore, Maryland

Annapolis Neck, Maryland

Pasadena, Maryland

How accurate is Maryland, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Arnold, Maryland?

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

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

What are the current PM10 levels at Arnold, Maryland?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What are the current PM₁₀ levels at Arnold, Maryland?

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

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

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