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

The current PM10 concentration at Eldersburg, Maryland is 18.004 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Eldersburg, Maryland is 0.285 ppb.

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

The current ozone (O3) concentration at Eldersburg, Maryland is 49.367 ppm.

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

The current nitrogen dioxide (NO2) concentration at Eldersburg, Maryland is 3.747 ppb.

Eldersburg, Maryland live air quality index now

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

The current PM2.5 concentration at Eldersburg, Maryland is 4.339 μg/m3.

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)

4.34 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.00 μg/m³

155

255

425

605+

Ozone (O₃)

49.37 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.75 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 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
2026-07-21T23:00:00.000Z	34 \| good	6.177 \| good	36.736 \| good	31.772 \| good	0.507 \| good	5.53 \| good	0.163 \| good
2026-07-22T00:00:00.000Z	44 \| good	8.116 \| good	39.045 \| good	32.247 \| good	0.464 \| good	4.993 \| good	0.227 \| good
2026-07-22T01:00:00.000Z	31 \| good	4.775 \| good	23.968 \| good	32.555 \| good	0.495 \| good	6.364 \| good	0.227 \| good
2026-07-22T02:00:00.000Z	31 \| good	3.863 \| good	18.473 \| good	32.927 \| good	0.506 \| good	7.049 \| good	0.242 \| good
2026-07-22T03:00:00.000Z	31 \| good	4.088 \| good	18.64 \| good	33.977 \| good	0.557 \| good	8.025 \| good	0.242 \| good
2026-07-22T04:00:00.000Z	30 \| good	4.787 \| good	22.199 \| good	31.749 \| good	0.51 \| good	8.45 \| good	0.246 \| good
2026-07-22T05:00:00.000Z	31 \| good	3.171 \| good	15.758 \| good	33.753 \| good	0.539 \| good	7.902 \| good	0.192 \| good
2026-07-22T06:00:00.000Z	31 \| good	2.727 \| good	14.766 \| good	33.256 \| good	0.478 \| good	7.019 \| good	0.214 \| good
2026-07-22T07:00:00.000Z	31 \| good	3.454 \| good	14.459 \| good	34.201 \| good	0.477 \| good	7.288 \| good	0.197 \| good
2026-07-22T08:00:00.000Z	30 \| good	2.512 \| good	11.515 \| good	31.996 \| good	0.504 \| good	6.816 \| good	0.196 \| good
2026-07-22T09:00:00.000Z	28 \| good	3.051 \| good	19.821 \| good	29.51 \| good	0.505 \| good	7.261 \| good	0.229 \| good
2026-07-22T10:00:00.000Z	26 \| good	3.132 \| good	12.506 \| good	27.98 \| good	0.477 \| good	11.863 \| good	0.243 \| good
2026-07-22T11:00:00.000Z	25 \| good	3.241 \| good	19.425 \| good	27.452 \| good	0.48 \| good	12.369 \| good	0.243 \| good
2026-07-22T12:00:00.000Z	24 \| good	3.756 \| good	17.794 \| good	26.421 \| good	0.556 \| good	9.365 \| good	0.257 \| good
2026-07-22T13:00:00.000Z	25 \| good	4.255 \| good	19.558 \| good	26.557 \| good	0.525 \| good	9.635 \| good	0.257 \| good
2026-07-22T14:00:00.000Z	33 \| good	5.896 \| good	26.11 \| good	30.668 \| good	0.557 \| good	6.453 \| good	0.257 \| good
2026-07-22T15:00:00.000Z	38 \| good	7.172 \| good	26.909 \| good	35.469 \| good	0.546 \| good	6.765 \| good	0.257 \| good
2026-07-22T16:00:00.000Z	52 \| moderate	9.95 \| good	45.158 \| good	37.708 \| good	0.398 \| good	5.812 \| good	0.244 \| good
2026-07-22T17:00:00.000Z	52 \| moderate	10.088 \| good	43.928 \| good	43.085 \| good	0.368 \| good	5.057 \| good	0.229 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	9.748 \| good	39.31 \| good	45.502 \| good	0.397 \| good	4.918 \| good	0.204 \| good
2026-07-22T19:00:00.000Z	52 \| moderate	10.032 \| good	44.875 \| good	45.837 \| good	0.372 \| good	4.374 \| good	0.204 \| good
2026-07-22T20:00:00.000Z	44 \| good	8 \| good	29.676 \| good	47.861 \| good	0.367 \| good	3.573 \| good	0.196 \| good
2026-07-22T21:00:00.000Z	44 \| good	7.675 \| good	25.517 \| good	47.716 \| good	0.347 \| good	3.308 \| good	0.204 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.55 \| good	27.308 \| good	47.721 \| good	0.35 \| good	3.683 \| good	0.204 \| good
2026-07-22T23:00:00.000Z	49 \| good	9.378 \| good	40.014 \| good	44.865 \| good	0.449 \| good	4.205 \| good	0.229 \| good
2026-07-23T00:00:00.000Z	44 \| good	8.234 \| good	32.614 \| good	43.821 \| good	0.361 \| good	3.955 \| good	0.229 \| good
2026-07-23T01:00:00.000Z	44 \| good	7.97 \| good	35.167 \| good	41.028 \| good	0.373 \| good	3.665 \| good	0.229 \| good
2026-07-23T02:00:00.000Z	44 \| good	8.451 \| good	33.652 \| good	41.69 \| good	0.32 \| good	6.587 \| good	0.229 \| good
2026-07-23T03:00:00.000Z	25 \| good	0.596 \| good	2.408 \| good	26.743 \| good	0.442 \| good	4.546 \| good	0.19 \| good
2026-07-23T04:00:00.000Z	38 \| good	6.928 \| good	32.029 \| good	35.493 \| good	0.328 \| good	3.437 \| good	0.196 \| good
2026-07-23T05:00:00.000Z	38 \| good	7.069 \| good	31.661 \| good	33.291 \| good	0.327 \| good	3.563 \| good	0.183 \| good
2026-07-23T06:00:00.000Z	28 \| good	5.371 \| good	23.587 \| good	30.397 \| good	0.32 \| good	4.351 \| good	0.158 \| good
2026-07-23T07:00:00.000Z	33 \| good	5.918 \| good	23.526 \| good	30.132 \| good	0.322 \| good	4.356 \| good	0.143 \| good
2026-07-23T08:00:00.000Z	27 \| good	5.103 \| good	19.03 \| good	26.112 \| good	0.355 \| good	5.526 \| good	0.143 \| good
2026-07-23T09:00:00.000Z	23 \| good	4.398 \| good	18.947 \| good	25.12 \| good	0.322 \| good	6.083 \| good	0.129 \| good
2026-07-23T10:00:00.000Z	22 \| good	3.676 \| good	16.532 \| good	24.14 \| good	0.328 \| good	7.321 \| good	0.143 \| good
2026-07-23T11:00:00.000Z	23 \| good	3.951 \| good	14.616 \| good	24.697 \| good	0.419 \| good	8.392 \| good	0.143 \| good
2026-07-23T12:00:00.000Z	23 \| good	4.058 \| good	17.425 \| good	25.406 \| good	0.38 \| good	7.541 \| good	0.143 \| good
2026-07-23T13:00:00.000Z	23 \| good	3.084 \| good	13.677 \| good	24.89 \| good	0.409 \| good	7.288 \| good	0.143 \| good
2026-07-23T14:00:00.000Z	28 \| good	3.178 \| good	16.915 \| good	29.76 \| good	0.312 \| good	4.314 \| good	0.143 \| good
2026-07-23T15:00:00.000Z	32 \| good	3.235 \| good	12.071 \| good	34.541 \| good	0.318 \| good	3.739 \| good	0.143 \| good
2026-07-23T16:00:00.000Z	35 \| good	3.409 \| good	12.823 \| good	37.932 \| good	0.327 \| good	3.311 \| good	0.143 \| good
2026-07-23T17:00:00.000Z	37 \| good	3.84 \| good	14.331 \| good	40.307 \| good	0.374 \| good	2.835 \| good	0.143 \| good
2026-07-23T18:00:00.000Z	41 \| good	3.735 \| good	13.524 \| good	43.852 \| good	0.328 \| good	3.868 \| good	0.143 \| good
2026-07-23T19:00:00.000Z	43 \| good	3.674 \| good	10.965 \| good	46.333 \| good	0.328 \| good	2.135 \| good	0.143 \| good
2026-07-23T20:00:00.000Z	44 \| good	4.333 \| good	13.924 \| good	48.213 \| good	0.265 \| good	3.164 \| good	0.143 \| good
2026-07-23T21:00:00.000Z	45 \| good	4.339 \| good	18.004 \| good	49.367 \| good	0.285 \| good	3.747 \| good	0.143 \| good
2026-07-23T22:00:00.000Z	47 \| good	3.838 \| good	16.539 \| good	51.001 \| good	0.315 \| good	3.821 \| good	0.157 \| good
2026-07-23T22:00:00.000Z	45 \| good	4.339 \| good	18.004 \| good	49.367 \| good	0.285 \| good	3.747 \| good	0.143 \| good
2026-07-23T23:00:00.000Z	41 \| good	1.352 \| good	5.064 \| good	43.946 \| good	0.406 \| good	1.49 \| good	0.14 \| good
2026-07-24T00:00:00.000Z	29 \| good	1.615 \| good	6.656 \| good	31.283 \| good	0.458 \| good	3.877 \| good	0.16 \| good
2026-07-24T01:00:00.000Z	23 \| good	1.822 \| good	7.58 \| good	25.061 \| good	0.548 \| good	7.766 \| good	0.19 \| good
2026-07-24T02:00:00.000Z	21 \| good	1.924 \| good	7.789 \| good	22.652 \| good	0.644 \| good	9.806 \| good	0.204 \| good
2026-07-24T03:00:00.000Z	19 \| good	1.421 \| good	6.024 \| good	20.316 \| good	0.714 \| good	11.549 \| good	0.215 \| good
2026-07-24T04:00:00.000Z	19 \| good	1.482 \| good	6.122 \| good	20.839 \| good	0.744 \| good	13.461 \| good	0.229 \| good
2026-07-24T05:00:00.000Z	18 \| good	0.259 \| good	0.676 \| good	18.729 \| good	0.743 \| good	14.676 \| good	0.241 \| good
2026-07-24T06:00:00.000Z	17 \| good	0.216 \| good	0.31 \| good	18.105 \| good	0.727 \| good	15.246 \| good	0.246 \| good
2026-07-24T07:00:00.000Z	16 \| good	0.908 \| good	3.609 \| good	16.984 \| good	0.692 \| good	15.4 \| good	0.247 \| good
2026-07-24T08:00:00.000Z	16 \| good	1.267 \| good	5.511 \| good	17.211 \| good	0.663 \| good	15.189 \| good	0.245 \| good
2026-07-24T09:00:00.000Z	21 \| good	2.663 \| good	10.563 \| good	23.447 \| good	0.656 \| good	14.564 \| good	0.24 \| good
2026-07-24T10:00:00.000Z	22 \| good	4.018 \| good	17.989 \| good	16.933 \| good	0.653 \| good	13.789 \| good	0.236 \| good
2026-07-24T11:00:00.000Z	22 \| good	4.202 \| good	18.559 \| good	19.521 \| good	0.651 \| good	11.594 \| good	0.23 \| good
2026-07-24T12:00:00.000Z	33 \| good	5.986 \| good	26.969 \| good	24.556 \| good	0.702 \| good	8.96 \| good	0.219 \| good
2026-07-24T13:00:00.000Z	33 \| good	6.443 \| good	29.015 \| good	28.365 \| good	0.816 \| good	5.419 \| good	0.189 \| good
2026-07-24T14:00:00.000Z	38 \| good	6.936 \| good	30.809 \| good	35.676 \| good	0.829 \| good	2.888 \| good	0.169 \| good
2026-07-24T15:00:00.000Z	43 \| good	6.086 \| good	27.033 \| good	45.842 \| good	0.732 \| good	1.498 \| good	0.157 \| good
2026-07-24T16:00:00.000Z	48 \| good	4.829 \| good	20.858 \| good	51.78 \| good	0.627 \| good	0.984 \| good	0.152 \| good
2026-07-24T17:00:00.000Z	50 \| good	3.932 \| good	17.119 \| good	53.838 \| good	0.568 \| good	0.814 \| good	0.15 \| good
2026-07-24T18:00:00.000Z	49 \| good	4.072 \| good	17.851 \| good	52.97 \| good	0.52 \| good	0.768 \| good	0.149 \| good
2026-07-24T19:00:00.000Z	51 \| moderate	3.808 \| good	16.47 \| good	54.95 \| good	0.484 \| good	0.806 \| good	0.149 \| good
2026-07-24T20:00:00.000Z	49 \| good	2.795 \| good	11.47 \| good	53.4 \| good	0.456 \| good	0.895 \| good	0.148 \| good
2026-07-24T21:00:00.000Z	45 \| good	2.281 \| good	9.149 \| good	48.575 \| good	0.433 \| good	1.077 \| good	0.148 \| good
2026-07-24T22:00:00.000Z	44 \| good	2.206 \| good	9.02 \| good	46.747 \| good	0.416 \| good	1.478 \| good	0.15 \| good
2026-07-24T23:00:00.000Z	44 \| good	1.714 \| good	7.069 \| good	46.774 \| good	0.403 \| good	2.259 \| good	0.156 \| good
2026-07-25T00:00:00.000Z	35 \| good	2.108 \| good	8.704 \| good	38.48 \| good	0.398 \| good	3.036 \| good	0.16 \| good
2026-07-25T01:00:00.000Z	31 \| good	2.887 \| good	11.759 \| good	32.627 \| good	0.389 \| good	3.433 \| good	0.159 \| good
2026-07-25T02:00:00.000Z	26 \| good	2.433 \| good	9.785 \| good	28.245 \| good	0.382 \| good	3.809 \| good	0.158 \| good
2026-07-25T03:00:00.000Z	22 \| good	1.855 \| good	7.727 \| good	23.863 \| good	0.377 \| good	4.365 \| good	0.157 \| good
2026-07-25T04:00:00.000Z	20 \| good	1.494 \| good	6.011 \| good	21.614 \| good	0.375 \| good	4.77 \| good	0.156 \| good
2026-07-25T05:00:00.000Z	17 \| good	1.302 \| good	5.069 \| good	17.878 \| good	0.373 \| good	4.97 \| good	0.154 \| good
2026-07-25T06:00:00.000Z	14 \| good	1.009 \| good	4.119 \| good	15.441 \| good	0.377 \| good	5.296 \| good	0.152 \| good
2026-07-25T07:00:00.000Z	14 \| good	0.659 \| good	2.08 \| good	15.162 \| good	0.383 \| good	6.086 \| good	0.153 \| good
2026-07-25T08:00:00.000Z	16 \| good	1.047 \| good	3.873 \| good	17.066 \| good	0.399 \| good	7.349 \| good	0.157 \| good
2026-07-25T09:00:00.000Z	12 \| good	0.458 \| good	1.482 \| good	13.435 \| good	0.413 \| good	8.515 \| good	0.161 \| good
2026-07-25T10:00:00.000Z	12 \| good	1.663 \| good	7.104 \| good	12.963 \| good	0.43 \| good	9.02 \| good	0.163 \| good
2026-07-25T11:00:00.000Z	15 \| good	2.43 \| good	9.851 \| good	16.069 \| good	0.435 \| good	8.558 \| good	0.165 \| good
2026-07-25T12:00:00.000Z	27 \| good	4.561 \| good	19.484 \| good	20.428 \| good	0.503 \| good	6.075 \| good	0.157 \| good
2026-07-25T13:00:00.000Z	23 \| good	2.993 \| good	12.63 \| good	25.268 \| good	0.515 \| good	2.866 \| good	0.139 \| good
2026-07-25T14:00:00.000Z	29 \| good	1.978 \| good	8.151 \| good	31.275 \| good	0.41 \| good	1.638 \| good	0.135 \| good
2026-07-25T15:00:00.000Z	33 \| good	1.137 \| good	4.893 \| good	36.307 \| good	0.337 \| good	1.011 \| good	0.134 \| good
2026-07-25T16:00:00.000Z	37 \| good	1.22 \| good	4.932 \| good	39.803 \| good	0.305 \| good	0.746 \| good	0.136 \| good
2026-07-25T17:00:00.000Z	39 \| good	1.35 \| good	5.265 \| good	41.847 \| good	0.28 \| good	0.637 \| good	0.136 \| good
2026-07-25T18:00:00.000Z	42 \| good	1.77 \| good	7.235 \| good	44.928 \| good	0.258 \| good	0.597 \| good	0.136 \| good
2026-07-25T19:00:00.000Z	46 \| good	2.686 \| good	11.093 \| good	49.574 \| good	0.243 \| good	0.602 \| good	0.136 \| good
2026-07-25T20:00:00.000Z	50 \| good	2.678 \| good	11.093 \| good	53.69 \| good	0.236 \| good	0.628 \| good	0.136 \| good
2026-07-25T21:00:00.000Z	64 \| moderate	2.916 \| good	12.058 \| good	59.165 \| fine	0.234 \| good	0.705 \| good	0.137 \| good
2026-07-25T22:00:00.000Z	58 \| moderate	4.066 \| good	17.802 \| good	57.26 \| fine	0.239 \| good	0.89 \| good	0.138 \| good

Eldersburg

Get reliable air quality data to drive your business

Eldersburg, Maryland air quality map: Track AQI near you

0.15ppm

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 11:00:00 on 2026-07-22.

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 10:00:00 on 2026-07-23.

What is the current air quality in Eldersburg, Maryland?

The current air quality in Eldersburg, Maryland is 45, 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 4.339 μg/m³.

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

The current PM₁₀ concentration at Eldersburg, Maryland is 18.004 μg/m³.

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

The current carbon monoxide (CO) concentration at Eldersburg, Maryland is 0.143 ppm.

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

The current sulfur dioxide (SO₂) concentration at Eldersburg, Maryland is 0.285 ppb.

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

The current ozone (O₃) concentration at Eldersburg, Maryland is 49.367 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Eldersburg, Maryland is 3.747 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	34 \| good	6.177 \| good	36.736 \| good	31.772 \| good	0.507 \| good	5.53 \| good	0.163 \| good
2026-07-22T00:00:00.000Z	44 \| good	8.116 \| good	39.045 \| good	32.247 \| good	0.464 \| good	4.993 \| good	0.227 \| good
2026-07-22T01:00:00.000Z	31 \| good	4.775 \| good	23.968 \| good	32.555 \| good	0.495 \| good	6.364 \| good	0.227 \| good
2026-07-22T02:00:00.000Z	31 \| good	3.863 \| good	18.473 \| good	32.927 \| good	0.506 \| good	7.049 \| good	0.242 \| good
2026-07-22T03:00:00.000Z	31 \| good	4.088 \| good	18.64 \| good	33.977 \| good	0.557 \| good	8.025 \| good	0.242 \| good
2026-07-22T04:00:00.000Z	30 \| good	4.787 \| good	22.199 \| good	31.749 \| good	0.51 \| good	8.45 \| good	0.246 \| good
2026-07-22T05:00:00.000Z	31 \| good	3.171 \| good	15.758 \| good	33.753 \| good	0.539 \| good	7.902 \| good	0.192 \| good
2026-07-22T06:00:00.000Z	31 \| good	2.727 \| good	14.766 \| good	33.256 \| good	0.478 \| good	7.019 \| good	0.214 \| good
2026-07-22T07:00:00.000Z	31 \| good	3.454 \| good	14.459 \| good	34.201 \| good	0.477 \| good	7.288 \| good	0.197 \| good
2026-07-22T08:00:00.000Z	30 \| good	2.512 \| good	11.515 \| good	31.996 \| good	0.504 \| good	6.816 \| good	0.196 \| good
2026-07-22T09:00:00.000Z	28 \| good	3.051 \| good	19.821 \| good	29.51 \| good	0.505 \| good	7.261 \| good	0.229 \| good
2026-07-22T10:00:00.000Z	26 \| good	3.132 \| good	12.506 \| good	27.98 \| good	0.477 \| good	11.863 \| good	0.243 \| good
2026-07-22T11:00:00.000Z	25 \| good	3.241 \| good	19.425 \| good	27.452 \| good	0.48 \| good	12.369 \| good	0.243 \| good
2026-07-22T12:00:00.000Z	24 \| good	3.756 \| good	17.794 \| good	26.421 \| good	0.556 \| good	9.365 \| good	0.257 \| good
2026-07-22T13:00:00.000Z	25 \| good	4.255 \| good	19.558 \| good	26.557 \| good	0.525 \| good	9.635 \| good	0.257 \| good
2026-07-22T14:00:00.000Z	33 \| good	5.896 \| good	26.11 \| good	30.668 \| good	0.557 \| good	6.453 \| good	0.257 \| good
2026-07-22T15:00:00.000Z	38 \| good	7.172 \| good	26.909 \| good	35.469 \| good	0.546 \| good	6.765 \| good	0.257 \| good
2026-07-22T16:00:00.000Z	52 \| moderate	9.95 \| good	45.158 \| good	37.708 \| good	0.398 \| good	5.812 \| good	0.244 \| good
2026-07-22T17:00:00.000Z	52 \| moderate	10.088 \| good	43.928 \| good	43.085 \| good	0.368 \| good	5.057 \| good	0.229 \| good
2026-07-22T18:00:00.000Z	52 \| moderate	9.748 \| good	39.31 \| good	45.502 \| good	0.397 \| good	4.918 \| good	0.204 \| good
2026-07-22T19:00:00.000Z	52 \| moderate	10.032 \| good	44.875 \| good	45.837 \| good	0.372 \| good	4.374 \| good	0.204 \| good
2026-07-22T20:00:00.000Z	44 \| good	8 \| good	29.676 \| good	47.861 \| good	0.367 \| good	3.573 \| good	0.196 \| good
2026-07-22T21:00:00.000Z	44 \| good	7.675 \| good	25.517 \| good	47.716 \| good	0.347 \| good	3.308 \| good	0.204 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.55 \| good	27.308 \| good	47.721 \| good	0.35 \| good	3.683 \| good	0.204 \| good
2026-07-22T23:00:00.000Z	49 \| good	9.378 \| good	40.014 \| good	44.865 \| good	0.449 \| good	4.205 \| good	0.229 \| good
2026-07-23T00:00:00.000Z	44 \| good	8.234 \| good	32.614 \| good	43.821 \| good	0.361 \| good	3.955 \| good	0.229 \| good
2026-07-23T01:00:00.000Z	44 \| good	7.97 \| good	35.167 \| good	41.028 \| good	0.373 \| good	3.665 \| good	0.229 \| good
2026-07-23T02:00:00.000Z	44 \| good	8.451 \| good	33.652 \| good	41.69 \| good	0.32 \| good	6.587 \| good	0.229 \| good
2026-07-23T03:00:00.000Z	25 \| good	0.596 \| good	2.408 \| good	26.743 \| good	0.442 \| good	4.546 \| good	0.19 \| good
2026-07-23T04:00:00.000Z	38 \| good	6.928 \| good	32.029 \| good	35.493 \| good	0.328 \| good	3.437 \| good	0.196 \| good
2026-07-23T05:00:00.000Z	38 \| good	7.069 \| good	31.661 \| good	33.291 \| good	0.327 \| good	3.563 \| good	0.183 \| good
2026-07-23T06:00:00.000Z	28 \| good	5.371 \| good	23.587 \| good	30.397 \| good	0.32 \| good	4.351 \| good	0.158 \| good
2026-07-23T07:00:00.000Z	33 \| good	5.918 \| good	23.526 \| good	30.132 \| good	0.322 \| good	4.356 \| good	0.143 \| good
2026-07-23T08:00:00.000Z	27 \| good	5.103 \| good	19.03 \| good	26.112 \| good	0.355 \| good	5.526 \| good	0.143 \| good
2026-07-23T09:00:00.000Z	23 \| good	4.398 \| good	18.947 \| good	25.12 \| good	0.322 \| good	6.083 \| good	0.129 \| good
2026-07-23T10:00:00.000Z	22 \| good	3.676 \| good	16.532 \| good	24.14 \| good	0.328 \| good	7.321 \| good	0.143 \| good
2026-07-23T11:00:00.000Z	23 \| good	3.951 \| good	14.616 \| good	24.697 \| good	0.419 \| good	8.392 \| good	0.143 \| good
2026-07-23T12:00:00.000Z	23 \| good	4.058 \| good	17.425 \| good	25.406 \| good	0.38 \| good	7.541 \| good	0.143 \| good
2026-07-23T13:00:00.000Z	23 \| good	3.084 \| good	13.677 \| good	24.89 \| good	0.409 \| good	7.288 \| good	0.143 \| good
2026-07-23T14:00:00.000Z	28 \| good	3.178 \| good	16.915 \| good	29.76 \| good	0.312 \| good	4.314 \| good	0.143 \| good
2026-07-23T15:00:00.000Z	32 \| good	3.235 \| good	12.071 \| good	34.541 \| good	0.318 \| good	3.739 \| good	0.143 \| good
2026-07-23T16:00:00.000Z	35 \| good	3.409 \| good	12.823 \| good	37.932 \| good	0.327 \| good	3.311 \| good	0.143 \| good
2026-07-23T17:00:00.000Z	37 \| good	3.84 \| good	14.331 \| good	40.307 \| good	0.374 \| good	2.835 \| good	0.143 \| good
2026-07-23T18:00:00.000Z	41 \| good	3.735 \| good	13.524 \| good	43.852 \| good	0.328 \| good	3.868 \| good	0.143 \| good
2026-07-23T19:00:00.000Z	43 \| good	3.674 \| good	10.965 \| good	46.333 \| good	0.328 \| good	2.135 \| good	0.143 \| good
2026-07-23T20:00:00.000Z	44 \| good	4.333 \| good	13.924 \| good	48.213 \| good	0.265 \| good	3.164 \| good	0.143 \| good
2026-07-23T21:00:00.000Z	45 \| good	4.339 \| good	18.004 \| good	49.367 \| good	0.285 \| good	3.747 \| good	0.143 \| good
2026-07-23T22:00:00.000Z	47 \| good	3.838 \| good	16.539 \| good	51.001 \| good	0.315 \| good	3.821 \| good	0.157 \| good
2026-07-23T22:00:00.000Z	45 \| good	4.339 \| good	18.004 \| good	49.367 \| good	0.285 \| good	3.747 \| good	0.143 \| good
2026-07-23T23:00:00.000Z	41 \| good	1.352 \| good	5.064 \| good	43.946 \| good	0.406 \| good	1.49 \| good	0.14 \| good
2026-07-24T00:00:00.000Z	29 \| good	1.615 \| good	6.656 \| good	31.283 \| good	0.458 \| good	3.877 \| good	0.16 \| good
2026-07-24T01:00:00.000Z	23 \| good	1.822 \| good	7.58 \| good	25.061 \| good	0.548 \| good	7.766 \| good	0.19 \| good
2026-07-24T02:00:00.000Z	21 \| good	1.924 \| good	7.789 \| good	22.652 \| good	0.644 \| good	9.806 \| good	0.204 \| good
2026-07-24T03:00:00.000Z	19 \| good	1.421 \| good	6.024 \| good	20.316 \| good	0.714 \| good	11.549 \| good	0.215 \| good
2026-07-24T04:00:00.000Z	19 \| good	1.482 \| good	6.122 \| good	20.839 \| good	0.744 \| good	13.461 \| good	0.229 \| good
2026-07-24T05:00:00.000Z	18 \| good	0.259 \| good	0.676 \| good	18.729 \| good	0.743 \| good	14.676 \| good	0.241 \| good
2026-07-24T06:00:00.000Z	17 \| good	0.216 \| good	0.31 \| good	18.105 \| good	0.727 \| good	15.246 \| good	0.246 \| good
2026-07-24T07:00:00.000Z	16 \| good	0.908 \| good	3.609 \| good	16.984 \| good	0.692 \| good	15.4 \| good	0.247 \| good
2026-07-24T08:00:00.000Z	16 \| good	1.267 \| good	5.511 \| good	17.211 \| good	0.663 \| good	15.189 \| good	0.245 \| good
2026-07-24T09:00:00.000Z	21 \| good	2.663 \| good	10.563 \| good	23.447 \| good	0.656 \| good	14.564 \| good	0.24 \| good
2026-07-24T10:00:00.000Z	22 \| good	4.018 \| good	17.989 \| good	16.933 \| good	0.653 \| good	13.789 \| good	0.236 \| good
2026-07-24T11:00:00.000Z	22 \| good	4.202 \| good	18.559 \| good	19.521 \| good	0.651 \| good	11.594 \| good	0.23 \| good
2026-07-24T12:00:00.000Z	33 \| good	5.986 \| good	26.969 \| good	24.556 \| good	0.702 \| good	8.96 \| good	0.219 \| good
2026-07-24T13:00:00.000Z	33 \| good	6.443 \| good	29.015 \| good	28.365 \| good	0.816 \| good	5.419 \| good	0.189 \| good
2026-07-24T14:00:00.000Z	38 \| good	6.936 \| good	30.809 \| good	35.676 \| good	0.829 \| good	2.888 \| good	0.169 \| good
2026-07-24T15:00:00.000Z	43 \| good	6.086 \| good	27.033 \| good	45.842 \| good	0.732 \| good	1.498 \| good	0.157 \| good
2026-07-24T16:00:00.000Z	48 \| good	4.829 \| good	20.858 \| good	51.78 \| good	0.627 \| good	0.984 \| good	0.152 \| good
2026-07-24T17:00:00.000Z	50 \| good	3.932 \| good	17.119 \| good	53.838 \| good	0.568 \| good	0.814 \| good	0.15 \| good
2026-07-24T18:00:00.000Z	49 \| good	4.072 \| good	17.851 \| good	52.97 \| good	0.52 \| good	0.768 \| good	0.149 \| good
2026-07-24T19:00:00.000Z	51 \| moderate	3.808 \| good	16.47 \| good	54.95 \| good	0.484 \| good	0.806 \| good	0.149 \| good
2026-07-24T20:00:00.000Z	49 \| good	2.795 \| good	11.47 \| good	53.4 \| good	0.456 \| good	0.895 \| good	0.148 \| good
2026-07-24T21:00:00.000Z	45 \| good	2.281 \| good	9.149 \| good	48.575 \| good	0.433 \| good	1.077 \| good	0.148 \| good
2026-07-24T22:00:00.000Z	44 \| good	2.206 \| good	9.02 \| good	46.747 \| good	0.416 \| good	1.478 \| good	0.15 \| good
2026-07-24T23:00:00.000Z	44 \| good	1.714 \| good	7.069 \| good	46.774 \| good	0.403 \| good	2.259 \| good	0.156 \| good
2026-07-25T00:00:00.000Z	35 \| good	2.108 \| good	8.704 \| good	38.48 \| good	0.398 \| good	3.036 \| good	0.16 \| good
2026-07-25T01:00:00.000Z	31 \| good	2.887 \| good	11.759 \| good	32.627 \| good	0.389 \| good	3.433 \| good	0.159 \| good
2026-07-25T02:00:00.000Z	26 \| good	2.433 \| good	9.785 \| good	28.245 \| good	0.382 \| good	3.809 \| good	0.158 \| good
2026-07-25T03:00:00.000Z	22 \| good	1.855 \| good	7.727 \| good	23.863 \| good	0.377 \| good	4.365 \| good	0.157 \| good
2026-07-25T04:00:00.000Z	20 \| good	1.494 \| good	6.011 \| good	21.614 \| good	0.375 \| good	4.77 \| good	0.156 \| good
2026-07-25T05:00:00.000Z	17 \| good	1.302 \| good	5.069 \| good	17.878 \| good	0.373 \| good	4.97 \| good	0.154 \| good
2026-07-25T06:00:00.000Z	14 \| good	1.009 \| good	4.119 \| good	15.441 \| good	0.377 \| good	5.296 \| good	0.152 \| good
2026-07-25T07:00:00.000Z	14 \| good	0.659 \| good	2.08 \| good	15.162 \| good	0.383 \| good	6.086 \| good	0.153 \| good
2026-07-25T08:00:00.000Z	16 \| good	1.047 \| good	3.873 \| good	17.066 \| good	0.399 \| good	7.349 \| good	0.157 \| good
2026-07-25T09:00:00.000Z	12 \| good	0.458 \| good	1.482 \| good	13.435 \| good	0.413 \| good	8.515 \| good	0.161 \| good
2026-07-25T10:00:00.000Z	12 \| good	1.663 \| good	7.104 \| good	12.963 \| good	0.43 \| good	9.02 \| good	0.163 \| good
2026-07-25T11:00:00.000Z	15 \| good	2.43 \| good	9.851 \| good	16.069 \| good	0.435 \| good	8.558 \| good	0.165 \| good
2026-07-25T12:00:00.000Z	27 \| good	4.561 \| good	19.484 \| good	20.428 \| good	0.503 \| good	6.075 \| good	0.157 \| good
2026-07-25T13:00:00.000Z	23 \| good	2.993 \| good	12.63 \| good	25.268 \| good	0.515 \| good	2.866 \| good	0.139 \| good
2026-07-25T14:00:00.000Z	29 \| good	1.978 \| good	8.151 \| good	31.275 \| good	0.41 \| good	1.638 \| good	0.135 \| good
2026-07-25T15:00:00.000Z	33 \| good	1.137 \| good	4.893 \| good	36.307 \| good	0.337 \| good	1.011 \| good	0.134 \| good
2026-07-25T16:00:00.000Z	37 \| good	1.22 \| good	4.932 \| good	39.803 \| good	0.305 \| good	0.746 \| good	0.136 \| good
2026-07-25T17:00:00.000Z	39 \| good	1.35 \| good	5.265 \| good	41.847 \| good	0.28 \| good	0.637 \| good	0.136 \| good
2026-07-25T18:00:00.000Z	42 \| good	1.77 \| good	7.235 \| good	44.928 \| good	0.258 \| good	0.597 \| good	0.136 \| good
2026-07-25T19:00:00.000Z	46 \| good	2.686 \| good	11.093 \| good	49.574 \| good	0.243 \| good	0.602 \| good	0.136 \| good
2026-07-25T20:00:00.000Z	50 \| good	2.678 \| good	11.093 \| good	53.69 \| good	0.236 \| good	0.628 \| good	0.136 \| good
2026-07-25T21:00:00.000Z	64 \| moderate	2.916 \| good	12.058 \| good	59.165 \| fine	0.234 \| good	0.705 \| good	0.137 \| good
2026-07-25T22:00:00.000Z	58 \| moderate	4.066 \| good	17.802 \| good	57.26 \| fine	0.239 \| good	0.89 \| good	0.138 \| 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?