What are the current PM10 levels at Arnold, Maryland?

The current PM10 levels in Arnold, Maryland are 54.73 μg/m3.

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

The current sulfur dioxide (SO2) levels in Arnold, Maryland are 0.294 ppb.

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

The current ozone (O3) levels at Arnold, Maryland is 14.3 ppm.

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

The current nitrogen dioxide (NO2) levels at Arnold, Maryland is 5.349 ppb.

Real-time 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)

Moderate

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)

9.42 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

54.73 μg/m³

155

255

425

605+

Ozone (O₃)

14.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.35 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-07-29T10:00:00.000Z	49 \| good	8.873 \| good	37.365 \| good	6.804 \| good	0.308 \| good	15.088 \| good	0.361 \| good
2025-07-29T11:00:00.000Z	52 \| moderate	9.669 \| good	41.309 \| good	8.497 \| good	0.344 \| good	13.333 \| good	0.369 \| good
2025-07-29T12:00:00.000Z	56 \| moderate	11.694 \| good	52.141 \| good	7.337 \| good	0.352 \| good	10.785 \| good	0.348 \| good
2025-07-29T13:00:00.000Z	54 \| moderate	10.913 \| good	45.151 \| good	9.649 \| good	0.231 \| good	10.852 \| good	0.362 \| good
2025-07-29T14:00:00.000Z	56 \| moderate	12.177 \| fine	46.895 \| good	21.517 \| good	0.604 \| good	13.768 \| good	0.437 \| good
2025-07-29T15:00:00.000Z	62 \| moderate	15.066 \| fine	63.963 \| fine	30.263 \| good	0.318 \| good	10.087 \| good	0.294 \| good
2025-07-29T16:00:00.000Z	66 \| moderate	16.556 \| fine	66.802 \| fine	42.388 \| good	0.541 \| good	5.599 \| good	0.235 \| good
2025-07-29T17:00:00.000Z	64 \| moderate	16.175 \| fine	51.518 \| good	47.186 \| good	0.799 \| good	4.205 \| good	0.211 \| good
2025-07-29T18:00:00.000Z	80 \| moderate	13.712 \| fine	63.414 \| fine	64.314 \| fine	0.775 \| good	3.602 \| good	0.253 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.974 \| good	57.319 \| fine	51.276 \| good	0.613 \| good	3.83 \| good	0.259 \| good
2025-07-29T20:00:00.000Z	64 \| moderate	13.115 \| fine	52.322 \| good	58.821 \| fine	0.405 \| good	3.311 \| good	0.235 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	11.864 \| good	55.854 \| fine	56.857 \| fine	0.264 \| good	2.946 \| good	0.211 \| good
2025-07-29T22:00:00.000Z	77 \| moderate	12.215 \| fine	45.101 \| good	62.754 \| fine	0.245 \| good	3.721 \| good	0.296 \| good
2025-07-29T23:00:00.000Z	74 \| moderate	12.787 \| fine	55.435 \| fine	61.803 \| fine	0.187 \| good	2.737 \| good	0.296 \| good
2025-07-30T00:00:00.000Z	49 \| good	9.354 \| good	32.826 \| good	48.495 \| good	0.273 \| good	4.011 \| good	0.32 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.677 \| good	42.716 \| good	42.61 \| good	0.184 \| good	6.154 \| good	0.374 \| good
2025-07-30T02:00:00.000Z	56 \| moderate	11.649 \| good	41.459 \| good	41.491 \| good	0.238 \| good	7.221 \| good	0.356 \| good
2025-07-30T03:00:00.000Z	58 \| moderate	12.812 \| fine	57.074 \| fine	34.393 \| good	1.504 \| good	9.453 \| good	0.288 \| good
2025-07-30T04:00:00.000Z	54 \| moderate	11.073 \| good	34.884 \| good	42.495 \| good	0.171 \| good	10.417 \| good	0.375 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.667 \| good	20.662 \| good	37.172 \| good	0.292 \| good	15.058 \| good	0.375 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	10.867 \| good	46.547 \| good	31.452 \| good	0.337 \| good	13.113 \| good	0.385 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	10.683 \| good	31.993 \| good	33.65 \| good	0.365 \| good	13.738 \| good	0.361 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.738 \| good	29.871 \| good	29.965 \| good	0.369 \| good	8.928 \| good	0.325 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.431 \| good	39.742 \| good	30.777 \| good	0.252 \| good	8.625 \| good	0.343 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	10.617 \| good	29.44 \| good	33.677 \| good	0.184 \| good	10.141 \| good	0.338 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.286 \| good	34.824 \| good	23.464 \| good	0.296 \| good	10.78 \| good	0.357 \| good
2025-07-30T12:00:00.000Z	56 \| moderate	11.612 \| good	47.205 \| good	16.398 \| good	0.458 \| good	12.462 \| good	0.379 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	10.155 \| good	41.597 \| good	21.043 \| good	0.173 \| good	12.274 \| good	0.359 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	10.85 \| good	53.262 \| good	30.875 \| good	0.196 \| good	11.288 \| good	0.311 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.774 \| good	46.856 \| good	31.532 \| good	0.136 \| good	8.205 \| good	0.295 \| good
2025-07-30T16:00:00.000Z	54 \| moderate	11.098 \| good	49.595 \| good	47.783 \| good	0.2 \| good	4.427 \| good	0.262 \| good
2025-07-30T17:00:00.000Z	58 \| moderate	12.919 \| fine	58.206 \| fine	55.045 \| fine	0.204 \| good	5.269 \| good	0.277 \| good
2025-07-30T18:00:00.000Z	64 \| moderate	12.5 \| fine	45.23 \| good	59.313 \| fine	0.294 \| good	5.373 \| good	0.276 \| good
2025-07-30T19:00:00.000Z	54 \| moderate	10.895 \| good	59.996 \| fine	56.474 \| fine	0.185 \| good	4.203 \| good	0.277 \| good
2025-07-30T20:00:00.000Z	71 \| moderate	10.952 \| good	44.116 \| good	60.805 \| fine	0.271 \| good	4.029 \| good	0.242 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.279 \| good	35.34 \| good	42.055 \| good	0.187 \| good	4.152 \| good	0.236 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	10.994 \| good	39.334 \| good	53.025 \| good	0.152 \| good	3.575 \| good	0.236 \| good
2025-07-30T23:00:00.000Z	49 \| good	8.613 \| good	38.625 \| good	49.28 \| good	0.149 \| good	3.123 \| good	0.26 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.043 \| good	26.855 \| good	46.85 \| good	0.197 \| good	2.773 \| good	0.26 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	10.724 \| good	38.278 \| good	44.405 \| good	0.146 \| good	4.374 \| good	0.272 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.871 \| good	36.526 \| good	42.888 \| good	0.145 \| good	5.269 \| good	0.315 \| good
2025-07-31T03:00:00.000Z	54 \| moderate	10.745 \| good	28.138 \| good	37.723 \| good	0.194 \| good	6.567 \| good	0.296 \| good
2025-07-31T04:00:00.000Z	49 \| good	9.303 \| good	20.538 \| good	36.532 \| good	0.194 \| good	6.594 \| good	0.28 \| good
2025-07-31T05:00:00.000Z	54 \| moderate	11.278 \| good	36.746 \| good	29.896 \| good	0.209 \| good	7.158 \| good	0.261 \| good
2025-07-31T06:00:00.000Z	49 \| good	9.053 \| good	23.063 \| good	23.952 \| good	0.246 \| good	5.589 \| good	0.28 \| good
2025-07-31T07:00:00.000Z	52 \| moderate	9.904 \| good	49.741 \| good	30.278 \| good	0.221 \| good	5.582 \| good	0.242 \| good
2025-07-31T08:00:00.000Z	53 \| moderate	10.346 \| good	59.543 \| fine	24.375 \| good	0.219 \| good	4.995 \| good	0.242 \| good
2025-07-31T09:00:00.000Z	51 \| moderate	9.42 \| good	54.73 \| good	14.3 \| good	0.294 \| good	5.349 \| good	0.261 \| good
2025-07-31T09:00:00.000Z	51 \| moderate	9.42 \| good	54.73 \| good	14.3 \| good	0.294 \| good	5.349 \| good	0.261 \| good
2025-07-31T10:00:00.000Z	54 \| moderate	10.775 \| good	47.741 \| good	18.16 \| good	1.168 \| good	5.282 \| good	0.205 \| good
2025-07-31T11:00:00.000Z	54 \| moderate	11.336 \| good	49.916 \| good	18.523 \| good	1.291 \| good	5.054 \| good	0.206 \| good
2025-07-31T12:00:00.000Z	58 \| moderate	12.739 \| fine	56.866 \| fine	22.928 \| good	1.414 \| good	4.827 \| good	0.207 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	12.7 \| fine	56.815 \| fine	33.959 \| good	1.727 \| good	4 \| good	0.211 \| good
2025-07-31T14:00:00.000Z	56 \| moderate	12.404 \| fine	56.419 \| fine	44.278 \| good	2.04 \| good	3.174 \| good	0.215 \| good
2025-07-31T15:00:00.000Z	54 \| moderate	11.112 \| good	48.939 \| good	46.217 \| good	2.353 \| good	2.347 \| good	0.218 \| good
2025-07-31T16:00:00.000Z	52 \| moderate	9.687 \| good	42.991 \| good	46.276 \| good	2.186 \| good	2.03 \| good	0.214 \| good
2025-07-31T17:00:00.000Z	49 \| good	8.811 \| good	38.944 \| good	44.811 \| good	2.018 \| good	1.714 \| good	0.21 \| good
2025-07-31T18:00:00.000Z	49 \| good	8.992 \| good	39.12 \| good	46.252 \| good	1.85 \| good	1.397 \| good	0.207 \| good
2025-07-31T19:00:00.000Z	44 \| good	8.467 \| good	37.028 \| good	48.085 \| good	1.806 \| good	1.627 \| good	0.206 \| good
2025-07-31T20:00:00.000Z	44 \| good	8.203 \| good	35.794 \| good	47.202 \| good	1.761 \| good	1.857 \| good	0.205 \| good
2025-07-31T21:00:00.000Z	44 \| good	8.454 \| good	36.964 \| good	44.054 \| good	1.717 \| good	2.087 \| good	0.204 \| good
2025-07-31T22:00:00.000Z	38 \| good	6.834 \| good	30.031 \| good	40.53 \| good	1.713 \| good	3.123 \| good	0.21 \| good
2025-07-31T23:00:00.000Z	38 \| good	6.57 \| good	28.987 \| good	40.444 \| good	1.71 \| good	4.16 \| good	0.217 \| good
2025-08-01T00:00:00.000Z	44 \| good	8.077 \| good	34.996 \| good	39.851 \| good	1.706 \| good	5.196 \| good	0.224 \| good
2025-08-01T01:00:00.000Z	38 \| good	6.967 \| good	30.959 \| good	37.044 \| good	1.76 \| good	5.833 \| good	0.229 \| good
2025-08-01T02:00:00.000Z	38 \| good	6.583 \| good	29.699 \| good	31.864 \| good	1.814 \| good	6.471 \| good	0.233 \| good
2025-08-01T03:00:00.000Z	44 \| good	7.531 \| good	32.865 \| good	30.696 \| good	1.868 \| good	7.108 \| good	0.238 \| good
2025-08-01T04:00:00.000Z	49 \| good	9.102 \| good	40.764 \| good	29.182 \| good	2.005 \| good	7.103 \| good	0.244 \| good
2025-08-01T05:00:00.000Z	54 \| moderate	10.838 \| good	47.882 \| good	24.837 \| good	2.141 \| good	7.097 \| good	0.251 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.715 \| good	47.887 \| good	21.213 \| good	2.278 \| good	7.092 \| good	0.258 \| good
2025-08-01T07:00:00.000Z	52 \| moderate	10.471 \| good	46.076 \| good	20.985 \| good	2.126 \| good	6.208 \| good	0.259 \| good
2025-08-01T08:00:00.000Z	54 \| moderate	11.291 \| good	49.967 \| good	19.537 \| good	1.975 \| good	5.324 \| good	0.261 \| good
2025-08-01T09:00:00.000Z	52 \| moderate	10.499 \| good	46.835 \| good	17.999 \| good	1.823 \| good	4.441 \| good	0.263 \| good
2025-08-01T10:00:00.000Z	49 \| good	9.374 \| good	41.95 \| good	17.703 \| good	1.625 \| good	4.18 \| good	0.263 \| good
2025-08-01T11:00:00.000Z	52 \| moderate	9.817 \| good	43.765 \| good	16.099 \| good	1.428 \| good	3.919 \| good	0.262 \| good
2025-08-01T12:00:00.000Z	52 \| moderate	9.864 \| good	43.882 \| good	17.767 \| good	1.23 \| good	3.658 \| good	0.262 \| good
2025-08-01T13:00:00.000Z	49 \| good	9.091 \| good	40.752 \| good	18.999 \| good	1.255 \| good	3.189 \| good	0.263 \| good
2025-08-01T14:00:00.000Z	49 \| good	9.386 \| good	41.897 \| good	19.241 \| good	1.28 \| good	2.72 \| good	0.264 \| good
2025-08-01T15:00:00.000Z	52 \| moderate	9.664 \| good	42.844 \| good	19.586 \| good	1.305 \| good	2.252 \| good	0.264 \| good
2025-08-01T16:00:00.000Z	52 \| moderate	10.144 \| good	44.945 \| good	20.725 \| good	1.236 \| good	1.991 \| good	0.258 \| good
2025-08-01T17:00:00.000Z	54 \| moderate	10.716 \| good	47.817 \| good	19.402 \| good	1.167 \| good	1.731 \| good	0.251 \| good
2025-08-01T18:00:00.000Z	52 \| moderate	9.812 \| good	43.945 \| good	19.8 \| good	1.097 \| good	1.471 \| good	0.245 \| good
2025-08-01T19:00:00.000Z	44 \| good	8.498 \| good	37.078 \| good	20.838 \| good	0.979 \| good	1.62 \| good	0.24 \| good
2025-08-01T20:00:00.000Z	38 \| good	7.342 \| good	32.067 \| good	21.093 \| good	0.86 \| good	1.768 \| good	0.236 \| good
2025-08-01T21:00:00.000Z	44 \| good	8.447 \| good	37.129 \| good	21.77 \| good	0.742 \| good	1.917 \| good	0.231 \| good
2025-08-01T22:00:00.000Z	44 \| good	7.952 \| good	35.155 \| good	23.173 \| good	0.755 \| good	2.668 \| good	0.233 \| good
2025-08-01T23:00:00.000Z	38 \| good	7.155 \| good	32.095 \| good	26.198 \| good	0.767 \| good	3.418 \| good	0.235 \| good
2025-08-02T00:00:00.000Z	38 \| good	6.894 \| good	30.31 \| good	27.836 \| good	0.78 \| good	4.169 \| good	0.237 \| good
2025-08-02T01:00:00.000Z	44 \| good	8.078 \| good	35.36 \| good	27.923 \| good	0.87 \| good	4.462 \| good	0.233 \| good
2025-08-02T02:00:00.000Z	54 \| moderate	10.612 \| good	47.283 \| good	27.068 \| good	0.961 \| good	4.755 \| good	0.229 \| good
2025-08-02T03:00:00.000Z	54 \| moderate	11.182 \| good	49.515 \| good	27.62 \| good	1.052 \| good	5.048 \| good	0.225 \| good
2025-08-02T04:00:00.000Z	52 \| moderate	9.848 \| good	43.917 \| good	27.482 \| good	1.178 \| good	4.969 \| good	0.221 \| good
2025-08-02T05:00:00.000Z	52 \| moderate	9.803 \| good	43.62 \| good	27.576 \| good	1.304 \| good	4.889 \| good	0.217 \| good
2025-08-02T06:00:00.000Z	49 \| good	8.612 \| good	8.676 \| good	44.13 \| good	1.428 \| good	4.81 \| good	0.213 \| good
2025-08-02T07:00:00.000Z	27 \| good	5.464 \| good	23.452 \| good	26.067 \| good	1.498 \| good	4.663 \| good	0.212 \| good
2025-08-02T08:00:00.000Z	38 \| good	6.939 \| good	30.32 \| good	24.156 \| good	1.566 \| good	4.516 \| good	0.211 \| good
2025-08-02T09:00:00.000Z	52 \| moderate	9.615 \| good	42.888 \| good	21.012 \| good	1.635 \| good	4.37 \| good	0.21 \| good

Arnold

Empower business decisions with accurate air quality data

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

0.25ppm

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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Check live rankings of places in the USA affected by air pollution.

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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 08:00:00 on 2025-07-30.

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

The best air quality in Arnold, Maryland was recorded at 06:00:00 on 2025-07-31.

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

The real-time air quality index in Arnold, Maryland is 51, currently categorized as Moderate.

Which pollutant is found most often in Arnold, Maryland?

The most common pollutant in Arnold, Maryland is PM10.

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 9.42 μg/m³.

What are the current PM₁₀ levels at Arnold, Maryland?

The current PM₁₀ levels in Arnold, Maryland are 54.73 μg/m³.

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

The current carbon monoxide (CO) level in Arnold, Maryland is 0.261 ppm.

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

The current sulfur dioxide (SO₂) levels in Arnold, Maryland are 0.294 ppb.

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

The current ozone (O₃) levels at Arnold, Maryland is 14.3 ppm.

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

The current nitrogen dioxide (NO₂) levels at Arnold, Maryland is 5.349 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T10:00:00.000Z	49 \| good	8.873 \| good	37.365 \| good	6.804 \| good	0.308 \| good	15.088 \| good	0.361 \| good
2025-07-29T11:00:00.000Z	52 \| moderate	9.669 \| good	41.309 \| good	8.497 \| good	0.344 \| good	13.333 \| good	0.369 \| good
2025-07-29T12:00:00.000Z	56 \| moderate	11.694 \| good	52.141 \| good	7.337 \| good	0.352 \| good	10.785 \| good	0.348 \| good
2025-07-29T13:00:00.000Z	54 \| moderate	10.913 \| good	45.151 \| good	9.649 \| good	0.231 \| good	10.852 \| good	0.362 \| good
2025-07-29T14:00:00.000Z	56 \| moderate	12.177 \| fine	46.895 \| good	21.517 \| good	0.604 \| good	13.768 \| good	0.437 \| good
2025-07-29T15:00:00.000Z	62 \| moderate	15.066 \| fine	63.963 \| fine	30.263 \| good	0.318 \| good	10.087 \| good	0.294 \| good
2025-07-29T16:00:00.000Z	66 \| moderate	16.556 \| fine	66.802 \| fine	42.388 \| good	0.541 \| good	5.599 \| good	0.235 \| good
2025-07-29T17:00:00.000Z	64 \| moderate	16.175 \| fine	51.518 \| good	47.186 \| good	0.799 \| good	4.205 \| good	0.211 \| good
2025-07-29T18:00:00.000Z	80 \| moderate	13.712 \| fine	63.414 \| fine	64.314 \| fine	0.775 \| good	3.602 \| good	0.253 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.974 \| good	57.319 \| fine	51.276 \| good	0.613 \| good	3.83 \| good	0.259 \| good
2025-07-29T20:00:00.000Z	64 \| moderate	13.115 \| fine	52.322 \| good	58.821 \| fine	0.405 \| good	3.311 \| good	0.235 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	11.864 \| good	55.854 \| fine	56.857 \| fine	0.264 \| good	2.946 \| good	0.211 \| good
2025-07-29T22:00:00.000Z	77 \| moderate	12.215 \| fine	45.101 \| good	62.754 \| fine	0.245 \| good	3.721 \| good	0.296 \| good
2025-07-29T23:00:00.000Z	74 \| moderate	12.787 \| fine	55.435 \| fine	61.803 \| fine	0.187 \| good	2.737 \| good	0.296 \| good
2025-07-30T00:00:00.000Z	49 \| good	9.354 \| good	32.826 \| good	48.495 \| good	0.273 \| good	4.011 \| good	0.32 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.677 \| good	42.716 \| good	42.61 \| good	0.184 \| good	6.154 \| good	0.374 \| good
2025-07-30T02:00:00.000Z	56 \| moderate	11.649 \| good	41.459 \| good	41.491 \| good	0.238 \| good	7.221 \| good	0.356 \| good
2025-07-30T03:00:00.000Z	58 \| moderate	12.812 \| fine	57.074 \| fine	34.393 \| good	1.504 \| good	9.453 \| good	0.288 \| good
2025-07-30T04:00:00.000Z	54 \| moderate	11.073 \| good	34.884 \| good	42.495 \| good	0.171 \| good	10.417 \| good	0.375 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.667 \| good	20.662 \| good	37.172 \| good	0.292 \| good	15.058 \| good	0.375 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	10.867 \| good	46.547 \| good	31.452 \| good	0.337 \| good	13.113 \| good	0.385 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	10.683 \| good	31.993 \| good	33.65 \| good	0.365 \| good	13.738 \| good	0.361 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.738 \| good	29.871 \| good	29.965 \| good	0.369 \| good	8.928 \| good	0.325 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.431 \| good	39.742 \| good	30.777 \| good	0.252 \| good	8.625 \| good	0.343 \| good
2025-07-30T10:00:00.000Z	54 \| moderate	10.617 \| good	29.44 \| good	33.677 \| good	0.184 \| good	10.141 \| good	0.338 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.286 \| good	34.824 \| good	23.464 \| good	0.296 \| good	10.78 \| good	0.357 \| good
2025-07-30T12:00:00.000Z	56 \| moderate	11.612 \| good	47.205 \| good	16.398 \| good	0.458 \| good	12.462 \| good	0.379 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	10.155 \| good	41.597 \| good	21.043 \| good	0.173 \| good	12.274 \| good	0.359 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	10.85 \| good	53.262 \| good	30.875 \| good	0.196 \| good	11.288 \| good	0.311 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.774 \| good	46.856 \| good	31.532 \| good	0.136 \| good	8.205 \| good	0.295 \| good
2025-07-30T16:00:00.000Z	54 \| moderate	11.098 \| good	49.595 \| good	47.783 \| good	0.2 \| good	4.427 \| good	0.262 \| good
2025-07-30T17:00:00.000Z	58 \| moderate	12.919 \| fine	58.206 \| fine	55.045 \| fine	0.204 \| good	5.269 \| good	0.277 \| good
2025-07-30T18:00:00.000Z	64 \| moderate	12.5 \| fine	45.23 \| good	59.313 \| fine	0.294 \| good	5.373 \| good	0.276 \| good
2025-07-30T19:00:00.000Z	54 \| moderate	10.895 \| good	59.996 \| fine	56.474 \| fine	0.185 \| good	4.203 \| good	0.277 \| good
2025-07-30T20:00:00.000Z	71 \| moderate	10.952 \| good	44.116 \| good	60.805 \| fine	0.271 \| good	4.029 \| good	0.242 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.279 \| good	35.34 \| good	42.055 \| good	0.187 \| good	4.152 \| good	0.236 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	10.994 \| good	39.334 \| good	53.025 \| good	0.152 \| good	3.575 \| good	0.236 \| good
2025-07-30T23:00:00.000Z	49 \| good	8.613 \| good	38.625 \| good	49.28 \| good	0.149 \| good	3.123 \| good	0.26 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.043 \| good	26.855 \| good	46.85 \| good	0.197 \| good	2.773 \| good	0.26 \| good
2025-07-31T01:00:00.000Z	54 \| moderate	10.724 \| good	38.278 \| good	44.405 \| good	0.146 \| good	4.374 \| good	0.272 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.871 \| good	36.526 \| good	42.888 \| good	0.145 \| good	5.269 \| good	0.315 \| good
2025-07-31T03:00:00.000Z	54 \| moderate	10.745 \| good	28.138 \| good	37.723 \| good	0.194 \| good	6.567 \| good	0.296 \| good
2025-07-31T04:00:00.000Z	49 \| good	9.303 \| good	20.538 \| good	36.532 \| good	0.194 \| good	6.594 \| good	0.28 \| good
2025-07-31T05:00:00.000Z	54 \| moderate	11.278 \| good	36.746 \| good	29.896 \| good	0.209 \| good	7.158 \| good	0.261 \| good
2025-07-31T06:00:00.000Z	49 \| good	9.053 \| good	23.063 \| good	23.952 \| good	0.246 \| good	5.589 \| good	0.28 \| good
2025-07-31T07:00:00.000Z	52 \| moderate	9.904 \| good	49.741 \| good	30.278 \| good	0.221 \| good	5.582 \| good	0.242 \| good
2025-07-31T08:00:00.000Z	53 \| moderate	10.346 \| good	59.543 \| fine	24.375 \| good	0.219 \| good	4.995 \| good	0.242 \| good
2025-07-31T09:00:00.000Z	51 \| moderate	9.42 \| good	54.73 \| good	14.3 \| good	0.294 \| good	5.349 \| good	0.261 \| good
2025-07-31T09:00:00.000Z	51 \| moderate	9.42 \| good	54.73 \| good	14.3 \| good	0.294 \| good	5.349 \| good	0.261 \| good
2025-07-31T10:00:00.000Z	54 \| moderate	10.775 \| good	47.741 \| good	18.16 \| good	1.168 \| good	5.282 \| good	0.205 \| good
2025-07-31T11:00:00.000Z	54 \| moderate	11.336 \| good	49.916 \| good	18.523 \| good	1.291 \| good	5.054 \| good	0.206 \| good
2025-07-31T12:00:00.000Z	58 \| moderate	12.739 \| fine	56.866 \| fine	22.928 \| good	1.414 \| good	4.827 \| good	0.207 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	12.7 \| fine	56.815 \| fine	33.959 \| good	1.727 \| good	4 \| good	0.211 \| good
2025-07-31T14:00:00.000Z	56 \| moderate	12.404 \| fine	56.419 \| fine	44.278 \| good	2.04 \| good	3.174 \| good	0.215 \| good
2025-07-31T15:00:00.000Z	54 \| moderate	11.112 \| good	48.939 \| good	46.217 \| good	2.353 \| good	2.347 \| good	0.218 \| good
2025-07-31T16:00:00.000Z	52 \| moderate	9.687 \| good	42.991 \| good	46.276 \| good	2.186 \| good	2.03 \| good	0.214 \| good
2025-07-31T17:00:00.000Z	49 \| good	8.811 \| good	38.944 \| good	44.811 \| good	2.018 \| good	1.714 \| good	0.21 \| good
2025-07-31T18:00:00.000Z	49 \| good	8.992 \| good	39.12 \| good	46.252 \| good	1.85 \| good	1.397 \| good	0.207 \| good
2025-07-31T19:00:00.000Z	44 \| good	8.467 \| good	37.028 \| good	48.085 \| good	1.806 \| good	1.627 \| good	0.206 \| good
2025-07-31T20:00:00.000Z	44 \| good	8.203 \| good	35.794 \| good	47.202 \| good	1.761 \| good	1.857 \| good	0.205 \| good
2025-07-31T21:00:00.000Z	44 \| good	8.454 \| good	36.964 \| good	44.054 \| good	1.717 \| good	2.087 \| good	0.204 \| good
2025-07-31T22:00:00.000Z	38 \| good	6.834 \| good	30.031 \| good	40.53 \| good	1.713 \| good	3.123 \| good	0.21 \| good
2025-07-31T23:00:00.000Z	38 \| good	6.57 \| good	28.987 \| good	40.444 \| good	1.71 \| good	4.16 \| good	0.217 \| good
2025-08-01T00:00:00.000Z	44 \| good	8.077 \| good	34.996 \| good	39.851 \| good	1.706 \| good	5.196 \| good	0.224 \| good
2025-08-01T01:00:00.000Z	38 \| good	6.967 \| good	30.959 \| good	37.044 \| good	1.76 \| good	5.833 \| good	0.229 \| good
2025-08-01T02:00:00.000Z	38 \| good	6.583 \| good	29.699 \| good	31.864 \| good	1.814 \| good	6.471 \| good	0.233 \| good
2025-08-01T03:00:00.000Z	44 \| good	7.531 \| good	32.865 \| good	30.696 \| good	1.868 \| good	7.108 \| good	0.238 \| good
2025-08-01T04:00:00.000Z	49 \| good	9.102 \| good	40.764 \| good	29.182 \| good	2.005 \| good	7.103 \| good	0.244 \| good
2025-08-01T05:00:00.000Z	54 \| moderate	10.838 \| good	47.882 \| good	24.837 \| good	2.141 \| good	7.097 \| good	0.251 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.715 \| good	47.887 \| good	21.213 \| good	2.278 \| good	7.092 \| good	0.258 \| good
2025-08-01T07:00:00.000Z	52 \| moderate	10.471 \| good	46.076 \| good	20.985 \| good	2.126 \| good	6.208 \| good	0.259 \| good
2025-08-01T08:00:00.000Z	54 \| moderate	11.291 \| good	49.967 \| good	19.537 \| good	1.975 \| good	5.324 \| good	0.261 \| good
2025-08-01T09:00:00.000Z	52 \| moderate	10.499 \| good	46.835 \| good	17.999 \| good	1.823 \| good	4.441 \| good	0.263 \| good
2025-08-01T10:00:00.000Z	49 \| good	9.374 \| good	41.95 \| good	17.703 \| good	1.625 \| good	4.18 \| good	0.263 \| good
2025-08-01T11:00:00.000Z	52 \| moderate	9.817 \| good	43.765 \| good	16.099 \| good	1.428 \| good	3.919 \| good	0.262 \| good
2025-08-01T12:00:00.000Z	52 \| moderate	9.864 \| good	43.882 \| good	17.767 \| good	1.23 \| good	3.658 \| good	0.262 \| good
2025-08-01T13:00:00.000Z	49 \| good	9.091 \| good	40.752 \| good	18.999 \| good	1.255 \| good	3.189 \| good	0.263 \| good
2025-08-01T14:00:00.000Z	49 \| good	9.386 \| good	41.897 \| good	19.241 \| good	1.28 \| good	2.72 \| good	0.264 \| good
2025-08-01T15:00:00.000Z	52 \| moderate	9.664 \| good	42.844 \| good	19.586 \| good	1.305 \| good	2.252 \| good	0.264 \| good
2025-08-01T16:00:00.000Z	52 \| moderate	10.144 \| good	44.945 \| good	20.725 \| good	1.236 \| good	1.991 \| good	0.258 \| good
2025-08-01T17:00:00.000Z	54 \| moderate	10.716 \| good	47.817 \| good	19.402 \| good	1.167 \| good	1.731 \| good	0.251 \| good
2025-08-01T18:00:00.000Z	52 \| moderate	9.812 \| good	43.945 \| good	19.8 \| good	1.097 \| good	1.471 \| good	0.245 \| good
2025-08-01T19:00:00.000Z	44 \| good	8.498 \| good	37.078 \| good	20.838 \| good	0.979 \| good	1.62 \| good	0.24 \| good
2025-08-01T20:00:00.000Z	38 \| good	7.342 \| good	32.067 \| good	21.093 \| good	0.86 \| good	1.768 \| good	0.236 \| good
2025-08-01T21:00:00.000Z	44 \| good	8.447 \| good	37.129 \| good	21.77 \| good	0.742 \| good	1.917 \| good	0.231 \| good
2025-08-01T22:00:00.000Z	44 \| good	7.952 \| good	35.155 \| good	23.173 \| good	0.755 \| good	2.668 \| good	0.233 \| good
2025-08-01T23:00:00.000Z	38 \| good	7.155 \| good	32.095 \| good	26.198 \| good	0.767 \| good	3.418 \| good	0.235 \| good
2025-08-02T00:00:00.000Z	38 \| good	6.894 \| good	30.31 \| good	27.836 \| good	0.78 \| good	4.169 \| good	0.237 \| good
2025-08-02T01:00:00.000Z	44 \| good	8.078 \| good	35.36 \| good	27.923 \| good	0.87 \| good	4.462 \| good	0.233 \| good
2025-08-02T02:00:00.000Z	54 \| moderate	10.612 \| good	47.283 \| good	27.068 \| good	0.961 \| good	4.755 \| good	0.229 \| good
2025-08-02T03:00:00.000Z	54 \| moderate	11.182 \| good	49.515 \| good	27.62 \| good	1.052 \| good	5.048 \| good	0.225 \| good
2025-08-02T04:00:00.000Z	52 \| moderate	9.848 \| good	43.917 \| good	27.482 \| good	1.178 \| good	4.969 \| good	0.221 \| good
2025-08-02T05:00:00.000Z	52 \| moderate	9.803 \| good	43.62 \| good	27.576 \| good	1.304 \| good	4.889 \| good	0.217 \| good
2025-08-02T06:00:00.000Z	49 \| good	8.612 \| good	8.676 \| good	44.13 \| good	1.428 \| good	4.81 \| good	0.213 \| good
2025-08-02T07:00:00.000Z	27 \| good	5.464 \| good	23.452 \| good	26.067 \| good	1.498 \| good	4.663 \| good	0.212 \| good
2025-08-02T08:00:00.000Z	38 \| good	6.939 \| good	30.32 \| good	24.156 \| good	1.566 \| good	4.516 \| good	0.211 \| good
2025-08-02T09:00:00.000Z	52 \| moderate	9.615 \| good	42.888 \| good	21.012 \| good	1.635 \| good	4.37 \| good	0.21 \| good

Real-time air quality index in Arnold, Maryland today

Common 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

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Annapolis, Maryland

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Frequently asked questions

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

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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?