What is the current concentration of PM10 in Eldersburg, Maryland?

The current PM10 concentration at Eldersburg, Maryland is 10.615 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Eldersburg, Maryland?

The current sulfur dioxide (SO2) concentration at Eldersburg, Maryland is 0.256 ppb.

What is the current concentration of ozone (O3) in Eldersburg, Maryland?

The current ozone (O3) concentration at Eldersburg, Maryland is 25.873 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Eldersburg, Maryland?

The current nitrogen dioxide (NO2) concentration at Eldersburg, Maryland is 8.086 ppb.

Eldersburg, Maryland live air quality index now

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

Stay updated with real-time air quality in Eldersburg, 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

Eldersburg, Maryland

Last updated: ... (Local time)

Major air pollutants in Eldersburg, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.33 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

33.23 μg/m³

155

255

425

605+

Ozone (O₃)

20.01 ppb

201

201+

Sulfur Dioxide (SO₂)

0.17 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.29 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Eldersburg, Maryland

Get Live Pollen Counts

Eldersburg, Maryland

Scroll To Air Quality Map

Track live Eldersburg, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T09:00:00.000Z	26 \| good	2.283 \| good	10.249 \| good	27.965 \| good	0.188 \| good	6.169 \| good	0.147 \| good
2025-10-20T10:00:00.000Z	25 \| good	1.416 \| good	6.261 \| good	27.291 \| good	0.19 \| good	3.918 \| good	0.132 \| good
2025-10-20T11:00:00.000Z	23 \| good	1.635 \| good	6.231 \| good	25.372 \| good	0.176 \| good	5.086 \| good	0.132 \| good
2025-10-20T12:00:00.000Z	22 \| good	1.608 \| good	6.426 \| good	23.762 \| good	0.195 \| good	5.403 \| good	0.133 \| good
2025-10-20T13:00:00.000Z	22 \| good	1.441 \| good	5.805 \| good	23.802 \| good	0.182 \| good	6.177 \| good	0.163 \| good
2025-10-20T14:00:00.000Z	23 \| good	2.72 \| good	10.279 \| good	25.44 \| good	0.186 \| good	5.108 \| good	0.148 \| good
2025-10-20T15:00:00.000Z	27 \| good	2.981 \| good	11.901 \| good	28.819 \| good	0.228 \| good	3.662 \| good	0.13 \| good
2025-10-20T16:00:00.000Z	29 \| good	3.67 \| good	10.329 \| good	30.535 \| good	0.252 \| good	3.772 \| good	0.117 \| good
2025-10-20T17:00:00.000Z	30 \| good	3.221 \| good	11.164 \| good	32.101 \| good	0.246 \| good	3.147 \| good	0.137 \| good
2025-10-20T18:00:00.000Z	29 \| good	2.419 \| good	11.16 \| good	31.293 \| good	0.202 \| good	2.664 \| good	0.132 \| good
2025-10-20T19:00:00.000Z	29 \| good	2.667 \| good	12.045 \| good	30.814 \| good	0.161 \| good	3.07 \| good	0.132 \| good
2025-10-20T20:00:00.000Z	30 \| good	3.593 \| good	11.88 \| good	31.547 \| good	0.172 \| good	3.032 \| good	0.132 \| good
2025-10-20T21:00:00.000Z	29 \| good	2.364 \| good	10.46 \| good	30.614 \| good	0.147 \| good	2.773 \| good	0.132 \| good
2025-10-20T22:00:00.000Z	29 \| good	2.231 \| good	11.316 \| good	31.079 \| good	0.178 \| good	4.845 \| good	0.132 \| good
2025-10-20T23:00:00.000Z	28 \| good	2.793 \| good	12.839 \| good	30.123 \| good	0.176 \| good	8.529 \| good	0.13 \| good
2025-10-21T00:00:00.000Z	24 \| good	2.977 \| good	14.673 \| good	25.991 \| good	0.158 \| good	8.776 \| good	0.13 \| good
2025-10-21T01:00:00.000Z	23 \| good	4.319 \| good	20.211 \| good	24.777 \| good	0.162 \| good	13.363 \| good	0.164 \| good
2025-10-21T02:00:00.000Z	33 \| good	5.524 \| good	18.168 \| good	21.673 \| good	0.146 \| good	15.042 \| good	0.313 \| good
2025-10-21T03:00:00.000Z	44 \| good	8.392 \| good	36.404 \| good	21.094 \| good	1.706 \| good	13.196 \| good	0.202 \| good
2025-10-21T04:00:00.000Z	33 \| good	5.635 \| good	22.63 \| good	13.085 \| good	0.214 \| good	15.645 \| good	0.289 \| good
2025-10-21T05:00:00.000Z	33 \| good	6.09 \| good	27.056 \| good	11.168 \| good	0.197 \| good	14.17 \| good	0.31 \| good
2025-10-21T06:00:00.000Z	44 \| good	7.673 \| good	30.131 \| good	9.846 \| good	0.186 \| good	12.622 \| good	0.327 \| good
2025-10-21T07:00:00.000Z	33 \| good	6.388 \| good	27.792 \| good	9.295 \| good	0.185 \| good	12.028 \| good	0.298 \| good
2025-10-21T08:00:00.000Z	27 \| good	5.417 \| good	20.91 \| good	6.269 \| good	0.245 \| good	9.691 \| good	0.311 \| good
2025-10-21T09:00:00.000Z	27 \| good	4.825 \| good	20.984 \| good	6.015 \| good	0.246 \| good	9.834 \| good	0.344 \| good
2025-10-21T10:00:00.000Z	27 \| good	5.334 \| good	21.343 \| good	7.552 \| good	0.368 \| good	10.854 \| good	0.377 \| good
2025-10-21T11:00:00.000Z	33 \| good	5.63 \| good	22.543 \| good	7.252 \| good	0.424 \| good	14.601 \| good	0.392 \| good
2025-10-21T12:00:00.000Z	49 \| good	8.795 \| good	27.033 \| good	7.369 \| good	0.582 \| good	12.793 \| good	0.504 \| good
2025-10-21T13:00:00.000Z	38 \| good	7.015 \| good	29.257 \| good	7.633 \| good	0.589 \| good	14.949 \| good	0.552 \| good
2025-10-21T14:00:00.000Z	52 \| moderate	10.034 \| good	41.641 \| good	14.422 \| good	0.38 \| good	18.148 \| good	0.517 \| good
2025-10-21T15:00:00.000Z	52 \| moderate	9.735 \| good	34.037 \| good	16.568 \| good	0.273 \| good	15.94 \| good	0.433 \| good
2025-10-21T16:00:00.000Z	38 \| good	6.506 \| good	27.664 \| good	22.703 \| good	0.308 \| good	9.685 \| good	0.291 \| good
2025-10-21T17:00:00.000Z	27 \| good	5.25 \| good	20.233 \| good	23.965 \| good	0.31 \| good	6.623 \| good	0.189 \| good
2025-10-21T18:00:00.000Z	28 \| good	4.656 \| good	19.19 \| good	29.579 \| good	0.289 \| good	5.899 \| good	0.169 \| good
2025-10-21T19:00:00.000Z	30 \| good	3.921 \| good	17.989 \| good	31.914 \| good	0.262 \| good	5.686 \| good	0.163 \| good
2025-10-21T20:00:00.000Z	34 \| good	4.342 \| good	19.693 \| good	36.702 \| good	0.289 \| good	5.241 \| good	0.184 \| good
2025-10-21T21:00:00.000Z	33 \| good	3.978 \| good	15.108 \| good	36.003 \| good	0.285 \| good	5.517 \| good	0.189 \| good
2025-10-21T22:00:00.000Z	31 \| good	5.022 \| good	22.368 \| good	34.088 \| good	0.297 \| good	6.755 \| good	0.189 \| good
2025-10-21T23:00:00.000Z	28 \| good	4.889 \| good	20.002 \| good	30.031 \| good	0.264 \| good	7.257 \| good	0.174 \| good
2025-10-22T00:00:00.000Z	27 \| good	5.17 \| good	22.143 \| good	28.302 \| good	0.245 \| good	10.137 \| good	0.255 \| good
2025-10-22T01:00:00.000Z	38 \| good	6.53 \| good	25.987 \| good	28.703 \| good	0.201 \| good	10.587 \| good	0.246 \| good
2025-10-22T02:00:00.000Z	33 \| good	6.273 \| good	24.377 \| good	28.897 \| good	0.243 \| good	10.855 \| good	0.27 \| good
2025-10-22T03:00:00.000Z	33 \| good	6.373 \| good	28.486 \| good	22.356 \| good	1.883 \| good	8.659 \| good	0.193 \| good
2025-10-22T04:00:00.000Z	33 \| good	6.327 \| good	25.167 \| good	23.388 \| good	0.211 \| good	8.222 \| good	0.192 \| good
2025-10-22T05:00:00.000Z	33 \| good	6.018 \| good	28.161 \| good	20.443 \| good	0.2 \| good	9.559 \| good	0.186 \| good
2025-10-22T06:00:00.000Z	49 \| good	9.232 \| good	36 \| good	20.506 \| good	0.178 \| good	10.099 \| good	0.228 \| good
2025-10-22T07:00:00.000Z	44 \| good	8.327 \| good	33.227 \| good	20.013 \| good	0.174 \| good	8.294 \| good	0.186 \| good
2025-10-22T08:00:00.000Z	44 \| good	8.327 \| good	33.227 \| good	20.013 \| good	0.174 \| good	8.294 \| good	0.186 \| good
2025-10-22T09:00:00.000Z	27 \| good	5.427 \| good	23.088 \| good	25.36 \| good	2.95 \| good	2.682 \| good	0.132 \| good
2025-10-22T10:00:00.000Z	27 \| good	4.831 \| good	20.824 \| good	23.344 \| good	2.917 \| good	3.295 \| good	0.135 \| good
2025-10-22T11:00:00.000Z	22 \| good	4.017 \| good	17.763 \| good	20.926 \| good	2.883 \| good	3.908 \| good	0.138 \| good
2025-10-22T12:00:00.000Z	24 \| good	4.244 \| good	18.723 \| good	25.6 \| good	2.85 \| good	4.521 \| good	0.141 \| good
2025-10-22T13:00:00.000Z	27 \| good	5.442 \| good	23.579 \| good	27.684 \| good	2.631 \| good	3.743 \| good	0.139 \| good
2025-10-22T14:00:00.000Z	31 \| good	3.671 \| good	15.821 \| good	32.578 \| good	2.412 \| good	2.965 \| good	0.137 \| good
2025-10-22T15:00:00.000Z	32 \| good	2.965 \| good	12.072 \| good	34.795 \| good	2.193 \| good	2.187 \| good	0.135 \| good
2025-10-22T16:00:00.000Z	32 \| good	3.209 \| good	13.528 \| good	35.335 \| good	2.102 \| good	2.032 \| good	0.131 \| good
2025-10-22T17:00:00.000Z	32 \| good	3.68 \| good	16.151 \| good	34.821 \| good	2.012 \| good	1.878 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	33 \| good	4.353 \| good	18.777 \| good	35.837 \| good	1.921 \| good	1.723 \| good	0.124 \| good
2025-10-22T19:00:00.000Z	32 \| good	4.016 \| good	17.467 \| good	35.199 \| good	1.828 \| good	1.966 \| good	0.126 \| good
2025-10-22T20:00:00.000Z	32 \| good	4.088 \| good	17.724 \| good	35.466 \| good	1.734 \| good	2.209 \| good	0.127 \| good
2025-10-22T21:00:00.000Z	31 \| good	3.822 \| good	16.485 \| good	34.494 \| good	1.641 \| good	2.453 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	29 \| good	3.997 \| good	17.375 \| good	30.658 \| good	1.756 \| good	4.672 \| good	0.145 \| good
2025-10-22T23:00:00.000Z	26 \| good	4.334 \| good	18.622 \| good	28.153 \| good	1.871 \| good	6.892 \| good	0.16 \| good
2025-10-23T00:00:00.000Z	33 \| good	6.498 \| good	29.06 \| good	29.371 \| good	1.986 \| good	9.112 \| good	0.175 \| good
2025-10-23T01:00:00.000Z	38 \| good	7.309 \| good	32.409 \| good	24.1 \| good	2.176 \| good	8.02 \| good	0.166 \| good
2025-10-23T02:00:00.000Z	44 \| good	7.948 \| good	34.715 \| good	21.202 \| good	2.367 \| good	6.929 \| good	0.157 \| good
2025-10-23T03:00:00.000Z	44 \| good	8.177 \| good	36.116 \| good	18.207 \| good	2.557 \| good	5.837 \| good	0.148 \| good
2025-10-23T04:00:00.000Z	44 \| good	8.01 \| good	35.382 \| good	19.701 \| good	2.586 \| good	5.559 \| good	0.146 \| good
2025-10-23T05:00:00.000Z	49 \| good	8.509 \| good	37.017 \| good	22.635 \| good	2.615 \| good	5.28 \| good	0.144 \| good
2025-10-23T06:00:00.000Z	44 \| good	8.202 \| good	35.782 \| good	22.041 \| good	2.643 \| good	5.002 \| good	0.142 \| good
2025-10-23T07:00:00.000Z	38 \| good	6.974 \| good	30.801 \| good	21.301 \| good	2.573 \| good	4.603 \| good	0.139 \| good
2025-10-23T08:00:00.000Z	38 \| good	6.768 \| good	29.984 \| good	19.925 \| good	2.503 \| good	4.204 \| good	0.136 \| good
2025-10-23T09:00:00.000Z	33 \| good	6.475 \| good	28.841 \| good	19.305 \| good	2.433 \| good	3.805 \| good	0.133 \| good
2025-10-23T10:00:00.000Z	33 \| good	6.242 \| good	27.743 \| good	16.333 \| good	2.392 \| good	4.494 \| good	0.139 \| good
2025-10-23T11:00:00.000Z	33 \| good	6.149 \| good	27.664 \| good	16.891 \| good	2.351 \| good	5.183 \| good	0.144 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.28 \| good	27.851 \| good	22.759 \| good	2.309 \| good	5.871 \| good	0.15 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.074 \| good	31.551 \| good	26.944 \| good	2.236 \| good	4.652 \| good	0.143 \| good
2025-10-23T14:00:00.000Z	33 \| good	5.874 \| good	26.267 \| good	29.506 \| good	2.164 \| good	3.433 \| good	0.137 \| good
2025-10-23T15:00:00.000Z	29 \| good	4.641 \| good	20.365 \| good	31.287 \| good	2.091 \| good	2.214 \| good	0.131 \| good
2025-10-23T16:00:00.000Z	31 \| good	3.509 \| good	15.483 \| good	33.134 \| good	1.798 \| good	2.016 \| good	0.129 \| good
2025-10-23T17:00:00.000Z	31 \| good	2.788 \| good	11.548 \| good	33.275 \| good	1.504 \| good	1.817 \| good	0.127 \| good
2025-10-23T18:00:00.000Z	31 \| good	2.903 \| good	11.759 \| good	34.189 \| good	1.211 \| good	1.619 \| good	0.125 \| good
2025-10-23T19:00:00.000Z	31 \| good	2.563 \| good	10.455 \| good	34.152 \| good	1.199 \| good	1.848 \| good	0.127 \| good
2025-10-23T20:00:00.000Z	31 \| good	2.396 \| good	9.77 \| good	33.523 \| good	1.187 \| good	2.078 \| good	0.13 \| good
2025-10-23T21:00:00.000Z	31 \| good	1.734 \| good	7.171 \| good	32.958 \| good	1.175 \| good	2.308 \| good	0.132 \| good
2025-10-23T22:00:00.000Z	29 \| good	1.735 \| good	7.189 \| good	30.997 \| good	1.29 \| good	4.27 \| good	0.148 \| good
2025-10-23T23:00:00.000Z	24 \| good	1.878 \| good	7.34 \| good	25.772 \| good	1.405 \| good	6.231 \| good	0.163 \| good
2025-10-24T00:00:00.000Z	27 \| good	4.82 \| good	21.097 \| good	24.031 \| good	1.52 \| good	8.193 \| good	0.179 \| good
2025-10-24T01:00:00.000Z	33 \| good	6.035 \| good	26.687 \| good	20.893 \| good	1.549 \| good	7.722 \| good	0.176 \| good
2025-10-24T02:00:00.000Z	38 \| good	6.57 \| good	29.102 \| good	19.325 \| good	1.578 \| good	7.25 \| good	0.174 \| good
2025-10-24T03:00:00.000Z	38 \| good	6.887 \| good	30.8 \| good	17.936 \| good	1.606 \| good	6.779 \| good	0.171 \| good
2025-10-24T04:00:00.000Z	38 \| good	7.055 \| good	31.383 \| good	19.018 \| good	1.635 \| good	6.383 \| good	0.168 \| good
2025-10-24T05:00:00.000Z	44 \| good	7.61 \| good	33.478 \| good	20.722 \| good	1.663 \| good	5.986 \| good	0.166 \| good
2025-10-24T06:00:00.000Z	22 \| good	3.851 \| good	3.852 \| good	18.984 \| good	1.703 \| good	5.64 \| good	0.163 \| good
2025-10-24T07:00:00.000Z	44 \| good	7.604 \| good	33.456 \| good	16.879 \| good	1.809 \| good	5.525 \| good	0.161 \| good
2025-10-24T08:00:00.000Z	44 \| good	7.823 \| good	34.429 \| good	15.077 \| good	1.926 \| good	5.46 \| good	0.16 \| good

Eldersburg

Get reliable air quality data to drive your business

Eldersburg, Maryland air quality map: Track AQI near you

0.19ppm

How accurate is Maryland, USA air quality data?

Air quality data and pollutant measurements for Maryland, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Eldersburg, Maryland updated?

The air quality for Eldersburg, Maryland is updated every hour.

When was the worst air quality at Eldersburg, Maryland in the last 24 hrs?

The worst air quality in Eldersburg, Maryland in the last 24 hours was observed at 09:00:00 on 2025-10-16.

When was the best air quality at Eldersburg, Maryland in the last 24 hrs?

In the last 24 hrs, the best air quality in Eldersburg, Maryland was observed at 01:00:00 on 2025-10-17.

What is the current air quality in Eldersburg, Maryland?

The current air quality in Eldersburg, Maryland is 24, categorized as Good based on real-time data.

What pollutant is the most common in Eldersburg, Maryland?

The most common pollutant in Eldersburg, Maryland is O3.

What should I do if the air quality in Eldersburg, Maryland is poor?

If the air quality in Eldersburg, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Eldersburg, Maryland?

The current PM_2.5 concentration at Eldersburg, Maryland is 2.452 μg/m³.

What is the current concentration of PM₁₀ in Eldersburg, Maryland?

The current PM₁₀ concentration at Eldersburg, Maryland is 10.615 μg/m³.

What is the current concentration of carbon monoxide (CO) in Eldersburg, Maryland?

The current carbon monoxide (CO) concentration at Eldersburg, Maryland is 0.147 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Eldersburg, Maryland?

The current sulfur dioxide (SO₂) concentration at Eldersburg, Maryland is 0.256 ppb.

What is the current concentration of ozone (O₃) in Eldersburg, Maryland?

The current ozone (O₃) concentration at Eldersburg, Maryland is 25.873 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Eldersburg, Maryland?

The current nitrogen dioxide (NO₂) concentration at Eldersburg, Maryland is 8.086 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T09:00:00.000Z	26 \| good	2.283 \| good	10.249 \| good	27.965 \| good	0.188 \| good	6.169 \| good	0.147 \| good
2025-10-20T10:00:00.000Z	25 \| good	1.416 \| good	6.261 \| good	27.291 \| good	0.19 \| good	3.918 \| good	0.132 \| good
2025-10-20T11:00:00.000Z	23 \| good	1.635 \| good	6.231 \| good	25.372 \| good	0.176 \| good	5.086 \| good	0.132 \| good
2025-10-20T12:00:00.000Z	22 \| good	1.608 \| good	6.426 \| good	23.762 \| good	0.195 \| good	5.403 \| good	0.133 \| good
2025-10-20T13:00:00.000Z	22 \| good	1.441 \| good	5.805 \| good	23.802 \| good	0.182 \| good	6.177 \| good	0.163 \| good
2025-10-20T14:00:00.000Z	23 \| good	2.72 \| good	10.279 \| good	25.44 \| good	0.186 \| good	5.108 \| good	0.148 \| good
2025-10-20T15:00:00.000Z	27 \| good	2.981 \| good	11.901 \| good	28.819 \| good	0.228 \| good	3.662 \| good	0.13 \| good
2025-10-20T16:00:00.000Z	29 \| good	3.67 \| good	10.329 \| good	30.535 \| good	0.252 \| good	3.772 \| good	0.117 \| good
2025-10-20T17:00:00.000Z	30 \| good	3.221 \| good	11.164 \| good	32.101 \| good	0.246 \| good	3.147 \| good	0.137 \| good
2025-10-20T18:00:00.000Z	29 \| good	2.419 \| good	11.16 \| good	31.293 \| good	0.202 \| good	2.664 \| good	0.132 \| good
2025-10-20T19:00:00.000Z	29 \| good	2.667 \| good	12.045 \| good	30.814 \| good	0.161 \| good	3.07 \| good	0.132 \| good
2025-10-20T20:00:00.000Z	30 \| good	3.593 \| good	11.88 \| good	31.547 \| good	0.172 \| good	3.032 \| good	0.132 \| good
2025-10-20T21:00:00.000Z	29 \| good	2.364 \| good	10.46 \| good	30.614 \| good	0.147 \| good	2.773 \| good	0.132 \| good
2025-10-20T22:00:00.000Z	29 \| good	2.231 \| good	11.316 \| good	31.079 \| good	0.178 \| good	4.845 \| good	0.132 \| good
2025-10-20T23:00:00.000Z	28 \| good	2.793 \| good	12.839 \| good	30.123 \| good	0.176 \| good	8.529 \| good	0.13 \| good
2025-10-21T00:00:00.000Z	24 \| good	2.977 \| good	14.673 \| good	25.991 \| good	0.158 \| good	8.776 \| good	0.13 \| good
2025-10-21T01:00:00.000Z	23 \| good	4.319 \| good	20.211 \| good	24.777 \| good	0.162 \| good	13.363 \| good	0.164 \| good
2025-10-21T02:00:00.000Z	33 \| good	5.524 \| good	18.168 \| good	21.673 \| good	0.146 \| good	15.042 \| good	0.313 \| good
2025-10-21T03:00:00.000Z	44 \| good	8.392 \| good	36.404 \| good	21.094 \| good	1.706 \| good	13.196 \| good	0.202 \| good
2025-10-21T04:00:00.000Z	33 \| good	5.635 \| good	22.63 \| good	13.085 \| good	0.214 \| good	15.645 \| good	0.289 \| good
2025-10-21T05:00:00.000Z	33 \| good	6.09 \| good	27.056 \| good	11.168 \| good	0.197 \| good	14.17 \| good	0.31 \| good
2025-10-21T06:00:00.000Z	44 \| good	7.673 \| good	30.131 \| good	9.846 \| good	0.186 \| good	12.622 \| good	0.327 \| good
2025-10-21T07:00:00.000Z	33 \| good	6.388 \| good	27.792 \| good	9.295 \| good	0.185 \| good	12.028 \| good	0.298 \| good
2025-10-21T08:00:00.000Z	27 \| good	5.417 \| good	20.91 \| good	6.269 \| good	0.245 \| good	9.691 \| good	0.311 \| good
2025-10-21T09:00:00.000Z	27 \| good	4.825 \| good	20.984 \| good	6.015 \| good	0.246 \| good	9.834 \| good	0.344 \| good
2025-10-21T10:00:00.000Z	27 \| good	5.334 \| good	21.343 \| good	7.552 \| good	0.368 \| good	10.854 \| good	0.377 \| good
2025-10-21T11:00:00.000Z	33 \| good	5.63 \| good	22.543 \| good	7.252 \| good	0.424 \| good	14.601 \| good	0.392 \| good
2025-10-21T12:00:00.000Z	49 \| good	8.795 \| good	27.033 \| good	7.369 \| good	0.582 \| good	12.793 \| good	0.504 \| good
2025-10-21T13:00:00.000Z	38 \| good	7.015 \| good	29.257 \| good	7.633 \| good	0.589 \| good	14.949 \| good	0.552 \| good
2025-10-21T14:00:00.000Z	52 \| moderate	10.034 \| good	41.641 \| good	14.422 \| good	0.38 \| good	18.148 \| good	0.517 \| good
2025-10-21T15:00:00.000Z	52 \| moderate	9.735 \| good	34.037 \| good	16.568 \| good	0.273 \| good	15.94 \| good	0.433 \| good
2025-10-21T16:00:00.000Z	38 \| good	6.506 \| good	27.664 \| good	22.703 \| good	0.308 \| good	9.685 \| good	0.291 \| good
2025-10-21T17:00:00.000Z	27 \| good	5.25 \| good	20.233 \| good	23.965 \| good	0.31 \| good	6.623 \| good	0.189 \| good
2025-10-21T18:00:00.000Z	28 \| good	4.656 \| good	19.19 \| good	29.579 \| good	0.289 \| good	5.899 \| good	0.169 \| good
2025-10-21T19:00:00.000Z	30 \| good	3.921 \| good	17.989 \| good	31.914 \| good	0.262 \| good	5.686 \| good	0.163 \| good
2025-10-21T20:00:00.000Z	34 \| good	4.342 \| good	19.693 \| good	36.702 \| good	0.289 \| good	5.241 \| good	0.184 \| good
2025-10-21T21:00:00.000Z	33 \| good	3.978 \| good	15.108 \| good	36.003 \| good	0.285 \| good	5.517 \| good	0.189 \| good
2025-10-21T22:00:00.000Z	31 \| good	5.022 \| good	22.368 \| good	34.088 \| good	0.297 \| good	6.755 \| good	0.189 \| good
2025-10-21T23:00:00.000Z	28 \| good	4.889 \| good	20.002 \| good	30.031 \| good	0.264 \| good	7.257 \| good	0.174 \| good
2025-10-22T00:00:00.000Z	27 \| good	5.17 \| good	22.143 \| good	28.302 \| good	0.245 \| good	10.137 \| good	0.255 \| good
2025-10-22T01:00:00.000Z	38 \| good	6.53 \| good	25.987 \| good	28.703 \| good	0.201 \| good	10.587 \| good	0.246 \| good
2025-10-22T02:00:00.000Z	33 \| good	6.273 \| good	24.377 \| good	28.897 \| good	0.243 \| good	10.855 \| good	0.27 \| good
2025-10-22T03:00:00.000Z	33 \| good	6.373 \| good	28.486 \| good	22.356 \| good	1.883 \| good	8.659 \| good	0.193 \| good
2025-10-22T04:00:00.000Z	33 \| good	6.327 \| good	25.167 \| good	23.388 \| good	0.211 \| good	8.222 \| good	0.192 \| good
2025-10-22T05:00:00.000Z	33 \| good	6.018 \| good	28.161 \| good	20.443 \| good	0.2 \| good	9.559 \| good	0.186 \| good
2025-10-22T06:00:00.000Z	49 \| good	9.232 \| good	36 \| good	20.506 \| good	0.178 \| good	10.099 \| good	0.228 \| good
2025-10-22T07:00:00.000Z	44 \| good	8.327 \| good	33.227 \| good	20.013 \| good	0.174 \| good	8.294 \| good	0.186 \| good
2025-10-22T08:00:00.000Z	44 \| good	8.327 \| good	33.227 \| good	20.013 \| good	0.174 \| good	8.294 \| good	0.186 \| good
2025-10-22T09:00:00.000Z	27 \| good	5.427 \| good	23.088 \| good	25.36 \| good	2.95 \| good	2.682 \| good	0.132 \| good
2025-10-22T10:00:00.000Z	27 \| good	4.831 \| good	20.824 \| good	23.344 \| good	2.917 \| good	3.295 \| good	0.135 \| good
2025-10-22T11:00:00.000Z	22 \| good	4.017 \| good	17.763 \| good	20.926 \| good	2.883 \| good	3.908 \| good	0.138 \| good
2025-10-22T12:00:00.000Z	24 \| good	4.244 \| good	18.723 \| good	25.6 \| good	2.85 \| good	4.521 \| good	0.141 \| good
2025-10-22T13:00:00.000Z	27 \| good	5.442 \| good	23.579 \| good	27.684 \| good	2.631 \| good	3.743 \| good	0.139 \| good
2025-10-22T14:00:00.000Z	31 \| good	3.671 \| good	15.821 \| good	32.578 \| good	2.412 \| good	2.965 \| good	0.137 \| good
2025-10-22T15:00:00.000Z	32 \| good	2.965 \| good	12.072 \| good	34.795 \| good	2.193 \| good	2.187 \| good	0.135 \| good
2025-10-22T16:00:00.000Z	32 \| good	3.209 \| good	13.528 \| good	35.335 \| good	2.102 \| good	2.032 \| good	0.131 \| good
2025-10-22T17:00:00.000Z	32 \| good	3.68 \| good	16.151 \| good	34.821 \| good	2.012 \| good	1.878 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	33 \| good	4.353 \| good	18.777 \| good	35.837 \| good	1.921 \| good	1.723 \| good	0.124 \| good
2025-10-22T19:00:00.000Z	32 \| good	4.016 \| good	17.467 \| good	35.199 \| good	1.828 \| good	1.966 \| good	0.126 \| good
2025-10-22T20:00:00.000Z	32 \| good	4.088 \| good	17.724 \| good	35.466 \| good	1.734 \| good	2.209 \| good	0.127 \| good
2025-10-22T21:00:00.000Z	31 \| good	3.822 \| good	16.485 \| good	34.494 \| good	1.641 \| good	2.453 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	29 \| good	3.997 \| good	17.375 \| good	30.658 \| good	1.756 \| good	4.672 \| good	0.145 \| good
2025-10-22T23:00:00.000Z	26 \| good	4.334 \| good	18.622 \| good	28.153 \| good	1.871 \| good	6.892 \| good	0.16 \| good
2025-10-23T00:00:00.000Z	33 \| good	6.498 \| good	29.06 \| good	29.371 \| good	1.986 \| good	9.112 \| good	0.175 \| good
2025-10-23T01:00:00.000Z	38 \| good	7.309 \| good	32.409 \| good	24.1 \| good	2.176 \| good	8.02 \| good	0.166 \| good
2025-10-23T02:00:00.000Z	44 \| good	7.948 \| good	34.715 \| good	21.202 \| good	2.367 \| good	6.929 \| good	0.157 \| good
2025-10-23T03:00:00.000Z	44 \| good	8.177 \| good	36.116 \| good	18.207 \| good	2.557 \| good	5.837 \| good	0.148 \| good
2025-10-23T04:00:00.000Z	44 \| good	8.01 \| good	35.382 \| good	19.701 \| good	2.586 \| good	5.559 \| good	0.146 \| good
2025-10-23T05:00:00.000Z	49 \| good	8.509 \| good	37.017 \| good	22.635 \| good	2.615 \| good	5.28 \| good	0.144 \| good
2025-10-23T06:00:00.000Z	44 \| good	8.202 \| good	35.782 \| good	22.041 \| good	2.643 \| good	5.002 \| good	0.142 \| good
2025-10-23T07:00:00.000Z	38 \| good	6.974 \| good	30.801 \| good	21.301 \| good	2.573 \| good	4.603 \| good	0.139 \| good
2025-10-23T08:00:00.000Z	38 \| good	6.768 \| good	29.984 \| good	19.925 \| good	2.503 \| good	4.204 \| good	0.136 \| good
2025-10-23T09:00:00.000Z	33 \| good	6.475 \| good	28.841 \| good	19.305 \| good	2.433 \| good	3.805 \| good	0.133 \| good
2025-10-23T10:00:00.000Z	33 \| good	6.242 \| good	27.743 \| good	16.333 \| good	2.392 \| good	4.494 \| good	0.139 \| good
2025-10-23T11:00:00.000Z	33 \| good	6.149 \| good	27.664 \| good	16.891 \| good	2.351 \| good	5.183 \| good	0.144 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.28 \| good	27.851 \| good	22.759 \| good	2.309 \| good	5.871 \| good	0.15 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.074 \| good	31.551 \| good	26.944 \| good	2.236 \| good	4.652 \| good	0.143 \| good
2025-10-23T14:00:00.000Z	33 \| good	5.874 \| good	26.267 \| good	29.506 \| good	2.164 \| good	3.433 \| good	0.137 \| good
2025-10-23T15:00:00.000Z	29 \| good	4.641 \| good	20.365 \| good	31.287 \| good	2.091 \| good	2.214 \| good	0.131 \| good
2025-10-23T16:00:00.000Z	31 \| good	3.509 \| good	15.483 \| good	33.134 \| good	1.798 \| good	2.016 \| good	0.129 \| good
2025-10-23T17:00:00.000Z	31 \| good	2.788 \| good	11.548 \| good	33.275 \| good	1.504 \| good	1.817 \| good	0.127 \| good
2025-10-23T18:00:00.000Z	31 \| good	2.903 \| good	11.759 \| good	34.189 \| good	1.211 \| good	1.619 \| good	0.125 \| good
2025-10-23T19:00:00.000Z	31 \| good	2.563 \| good	10.455 \| good	34.152 \| good	1.199 \| good	1.848 \| good	0.127 \| good
2025-10-23T20:00:00.000Z	31 \| good	2.396 \| good	9.77 \| good	33.523 \| good	1.187 \| good	2.078 \| good	0.13 \| good
2025-10-23T21:00:00.000Z	31 \| good	1.734 \| good	7.171 \| good	32.958 \| good	1.175 \| good	2.308 \| good	0.132 \| good
2025-10-23T22:00:00.000Z	29 \| good	1.735 \| good	7.189 \| good	30.997 \| good	1.29 \| good	4.27 \| good	0.148 \| good
2025-10-23T23:00:00.000Z	24 \| good	1.878 \| good	7.34 \| good	25.772 \| good	1.405 \| good	6.231 \| good	0.163 \| good
2025-10-24T00:00:00.000Z	27 \| good	4.82 \| good	21.097 \| good	24.031 \| good	1.52 \| good	8.193 \| good	0.179 \| good
2025-10-24T01:00:00.000Z	33 \| good	6.035 \| good	26.687 \| good	20.893 \| good	1.549 \| good	7.722 \| good	0.176 \| good
2025-10-24T02:00:00.000Z	38 \| good	6.57 \| good	29.102 \| good	19.325 \| good	1.578 \| good	7.25 \| good	0.174 \| good
2025-10-24T03:00:00.000Z	38 \| good	6.887 \| good	30.8 \| good	17.936 \| good	1.606 \| good	6.779 \| good	0.171 \| good
2025-10-24T04:00:00.000Z	38 \| good	7.055 \| good	31.383 \| good	19.018 \| good	1.635 \| good	6.383 \| good	0.168 \| good
2025-10-24T05:00:00.000Z	44 \| good	7.61 \| good	33.478 \| good	20.722 \| good	1.663 \| good	5.986 \| good	0.166 \| good
2025-10-24T06:00:00.000Z	22 \| good	3.851 \| good	3.852 \| good	18.984 \| good	1.703 \| good	5.64 \| good	0.163 \| good
2025-10-24T07:00:00.000Z	44 \| good	7.604 \| good	33.456 \| good	16.879 \| good	1.809 \| good	5.525 \| good	0.161 \| good
2025-10-24T08:00:00.000Z	44 \| good	7.823 \| good	34.429 \| good	15.077 \| good	1.926 \| good	5.46 \| good	0.16 \| good

Eldersburg, Maryland live air quality index now

Major air pollutants in Eldersburg, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Eldersburg, Maryland air quality map: Track AQI near you

Air quality in nearby cities

Reisterstown, Maryland

Randallstown, Maryland

Owings Mills, Maryland

Garrison, Maryland

Milford Mill, Maryland

Westminster, Maryland

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Frequently asked questions

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What is the current concentration of PM2.5 in Eldersburg, Maryland?

What is the current concentration of PM10 in Eldersburg, Maryland?

What is the current concentration of carbon monoxide (CO) in Eldersburg, Maryland?

What is the current concentration of sulfur dioxide (SO2) in Eldersburg, Maryland?

What is the current concentration of ozone (O3) in Eldersburg, Maryland?

What is the current concentration of nitrogen dioxide (NO2) in Eldersburg, Maryland?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Eldersburg, Maryland?

What is the current concentration of PM₁₀ in Eldersburg, Maryland?

What is the current concentration of sulfur dioxide (SO₂) in Eldersburg, Maryland?

What is the current concentration of ozone (O₃) in Eldersburg, Maryland?

What is the current concentration of nitrogen dioxide (NO₂) in Eldersburg, Maryland?