What are the current PM10 levels at Columbia, Maryland?

The current PM10 levels in Columbia, Maryland are 28.37 μg/m3.

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

The current sulfur dioxide (SO2) levels in Columbia, Maryland are 0.401 ppb.

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

The current ozone (O3) levels at Columbia, Maryland is 3.587 ppm.

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

The current nitrogen dioxide (NO2) levels at Columbia, Maryland is 13.985 ppb.

Real-time air quality index in Columbia, Maryland today

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

Stay updated with real-time air quality in Columbia, 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

Columbia, Maryland

Last updated: ... (Local time)

Common air pollutants in Columbia, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.56 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.37 μg/m³

155

255

425

605+

Ozone (O₃)

3.59 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.98 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Columbia, Maryland

Scroll To Air Quality Map

Track live Columbia, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T12:00:00.000Z	38 \| good	6.727 \| good	29.805 \| good	7.672 \| good	0.127 \| good	10.038 \| good	0.276 \| good
2025-10-19T13:00:00.000Z	38 \| good	6.634 \| good	28.97 \| good	5.245 \| good	0.136 \| good	9.528 \| good	0.276 \| good
2025-10-19T14:00:00.000Z	49 \| good	8.721 \| good	38.854 \| good	15.756 \| good	0.141 \| good	6.94 \| good	0.284 \| good
2025-10-19T15:00:00.000Z	44 \| good	8.375 \| good	36.143 \| good	25.042 \| good	0.238 \| good	5.068 \| good	0.276 \| good
2025-10-19T16:00:00.000Z	49 \| good	9.23 \| good	40.443 \| good	30.065 \| good	0.318 \| good	3.816 \| good	0.26 \| good
2025-10-19T17:00:00.000Z	52 \| moderate	9.669 \| good	43.018 \| good	37.422 \| good	0.318 \| good	3.481 \| good	0.26 \| good
2025-10-19T18:00:00.000Z	49 \| good	8.578 \| good	37.488 \| good	41.642 \| good	0.258 \| good	3.604 \| good	0.182 \| good
2025-10-19T19:00:00.000Z	44 \| good	8.085 \| good	35.577 \| good	42.726 \| good	0.27 \| good	2.394 \| good	0.26 \| good
2025-10-19T20:00:00.000Z	44 \| good	7.769 \| good	33.907 \| good	44.631 \| good	0.257 \| good	1.933 \| good	0.185 \| good
2025-10-19T21:00:00.000Z	41 \| good	7.346 \| good	32.285 \| good	43.858 \| good	0.238 \| good	2.229 \| good	0.182 \| good
2025-10-19T22:00:00.000Z	40 \| good	6.056 \| good	26.149 \| good	43.478 \| good	0.244 \| good	3.02 \| good	0.182 \| good
2025-10-19T23:00:00.000Z	40 \| good	4.662 \| good	20.342 \| good	42.929 \| good	0.264 \| good	3.402 \| good	0.182 \| good
2025-10-20T00:00:00.000Z	34 \| good	5.535 \| good	24.488 \| good	36.717 \| good	0.243 \| good	3.318 \| good	0.182 \| good
2025-10-20T01:00:00.000Z	36 \| good	5.923 \| good	26.556 \| good	39.087 \| good	0.179 \| good	3.829 \| good	0.186 \| good
2025-10-20T02:00:00.000Z	36 \| good	4.928 \| good	21.885 \| good	38.503 \| good	0.221 \| good	3.046 \| good	0.185 \| good
2025-10-20T03:00:00.000Z	34 \| good	4.62 \| good	19.554 \| good	37.169 \| good	0.174 \| good	3.132 \| good	0.105 \| good
2025-10-20T04:00:00.000Z	32 \| good	4.682 \| good	19.468 \| good	34.578 \| good	0.162 \| good	3.134 \| good	0.105 \| good
2025-10-20T05:00:00.000Z	34 \| good	5.066 \| good	22.752 \| good	36.578 \| good	0.208 \| good	3.295 \| good	0.105 \| good
2025-10-20T06:00:00.000Z	31 \| good	4.958 \| good	21.473 \| good	34.479 \| good	0.144 \| good	2.914 \| good	0.105 \| good
2025-10-20T07:00:00.000Z	31 \| good	4.807 \| good	21.479 \| good	34.009 \| good	0.16 \| good	2.636 \| good	0.105 \| good
2025-10-20T08:00:00.000Z	28 \| good	2.888 \| good	12.008 \| good	30.424 \| good	0.167 \| good	4.115 \| good	0.105 \| good
2025-10-20T09:00:00.000Z	23 \| good	1.647 \| good	6.606 \| good	25.145 \| good	0.162 \| good	5.317 \| good	0.107 \| good
2025-10-20T10:00:00.000Z	23 \| good	0.892 \| good	3.676 \| good	25.283 \| good	0.158 \| good	3.057 \| good	0.105 \| good
2025-10-20T11:00:00.000Z	20 \| good	0.98 \| good	3.796 \| good	22.283 \| good	0.145 \| good	4.122 \| good	0.105 \| good
2025-10-20T12:00:00.000Z	21 \| good	1.674 \| good	6.732 \| good	23.392 \| good	0.155 \| good	3.892 \| good	0.105 \| good
2025-10-20T13:00:00.000Z	22 \| good	1.604 \| good	6.585 \| good	23.785 \| good	0.145 \| good	5.574 \| good	0.11 \| good
2025-10-20T14:00:00.000Z	23 \| good	2.402 \| good	9.189 \| good	24.889 \| good	0.146 \| good	4.803 \| good	0.107 \| good
2025-10-20T15:00:00.000Z	25 \| good	3.18 \| good	13.041 \| good	26.934 \| good	0.168 \| good	2.9 \| good	0.105 \| good
2025-10-20T16:00:00.000Z	27 \| good	3.06 \| good	12.619 \| good	29.383 \| good	0.227 \| good	2.075 \| good	0.103 \| good
2025-10-20T17:00:00.000Z	27 \| good	2.937 \| good	12.892 \| good	29.481 \| good	0.177 \| good	2.183 \| good	0.119 \| good
2025-10-20T18:00:00.000Z	29 \| good	2.986 \| good	13.467 \| good	31.478 \| good	0.156 \| good	1.987 \| good	0.105 \| good
2025-10-20T19:00:00.000Z	31 \| good	3.735 \| good	15.997 \| good	33.993 \| good	0.131 \| good	2.03 \| good	0.105 \| good
2025-10-20T20:00:00.000Z	31 \| good	3.836 \| good	17.764 \| good	33.588 \| good	0.136 \| good	1.974 \| good	0.105 \| good
2025-10-20T21:00:00.000Z	31 \| good	3.103 \| good	13.334 \| good	32.816 \| good	0.125 \| good	1.68 \| good	0.105 \| good
2025-10-20T22:00:00.000Z	31 \| good	2.194 \| good	9.448 \| good	33.413 \| good	0.14 \| good	3.139 \| good	0.105 \| good
2025-10-20T23:00:00.000Z	29 \| good	3.716 \| good	16.237 \| good	30.995 \| good	0.141 \| good	4.204 \| good	0.105 \| good
2025-10-21T00:00:00.000Z	27 \| good	4.657 \| good	20.251 \| good	27.76 \| good	0.131 \| good	5.894 \| good	0.105 \| good
2025-10-21T01:00:00.000Z	33 \| good	5.627 \| good	25.104 \| good	25.234 \| good	0.136 \| good	7.782 \| good	0.181 \| good
2025-10-21T02:00:00.000Z	27 \| good	4.938 \| good	21.627 \| good	23.115 \| good	0.128 \| good	10.101 \| good	0.289 \| good
2025-10-21T03:00:00.000Z	44 \| good	7.706 \| good	34.028 \| good	15.78 \| good	1.806 \| good	18.448 \| good	0.227 \| good
2025-10-21T04:00:00.000Z	38 \| good	6.996 \| good	31.144 \| good	15.354 \| good	0.193 \| good	12.86 \| good	0.214 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.72 \| good	28.943 \| good	10.022 \| good	0.154 \| good	14.966 \| good	0.23 \| good
2025-10-21T06:00:00.000Z	33 \| good	6.434 \| good	28.71 \| good	8.112 \| good	0.147 \| good	16.529 \| good	0.163 \| good
2025-10-21T07:00:00.000Z	38 \| good	6.586 \| good	29.463 \| good	6.638 \| good	0.146 \| good	15.491 \| good	0.159 \| good
2025-10-21T08:00:00.000Z	27 \| good	5.349 \| good	23.432 \| good	6.137 \| good	0.23 \| good	14.932 \| good	0.161 \| good
2025-10-21T09:00:00.000Z	33 \| good	5.513 \| good	23.698 \| good	6.39 \| good	0.235 \| good	14.985 \| good	0.306 \| good
2025-10-21T10:00:00.000Z	33 \| good	5.668 \| good	23.804 \| good	2.66 \| good	0.364 \| good	14.853 \| good	0.312 \| good
2025-10-21T11:00:00.000Z	38 \| good	6.556 \| good	28.37 \| good	3.587 \| good	0.401 \| good	13.985 \| good	0.244 \| good
2025-10-21T11:00:00.000Z	38 \| good	6.556 \| good	28.37 \| good	3.587 \| good	0.401 \| good	13.985 \| good	0.244 \| good
2025-10-21T12:00:00.000Z	52 \| moderate	10.403 \| good	45.997 \| good	2.568 \| good	2.915 \| good	21.006 \| good	0.309 \| good
2025-10-21T13:00:00.000Z	52 \| moderate	10.151 \| good	45.312 \| good	8.08 \| good	2.855 \| good	17.333 \| good	0.284 \| good
2025-10-21T14:00:00.000Z	38 \| good	7.437 \| good	32.794 \| good	19.187 \| good	2.796 \| good	13.661 \| good	0.259 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.458 \| good	32.6 \| good	29.163 \| good	2.737 \| good	9.988 \| good	0.234 \| good
2025-10-21T16:00:00.000Z	44 \| good	7.808 \| good	34.357 \| good	36.108 \| good	2.741 \| good	7.995 \| good	0.218 \| good
2025-10-21T17:00:00.000Z	39 \| good	6.051 \| good	26.343 \| good	42.447 \| good	2.746 \| good	6.001 \| good	0.202 \| good
2025-10-21T18:00:00.000Z	44 \| good	6.451 \| good	28.61 \| good	46.982 \| good	2.75 \| good	4.008 \| good	0.186 \| good
2025-10-21T19:00:00.000Z	44 \| good	7.11 \| good	31.377 \| good	48.036 \| good	2.656 \| good	4.314 \| good	0.184 \| good
2025-10-21T20:00:00.000Z	44 \| good	7.598 \| good	33.417 \| good	46.591 \| good	2.562 \| good	4.62 \| good	0.182 \| good
2025-10-21T21:00:00.000Z	40 \| good	7.172 \| good	31.766 \| good	42.895 \| good	2.467 \| good	4.926 \| good	0.18 \| good
2025-10-21T22:00:00.000Z	38 \| good	6.705 \| good	29.649 \| good	38.423 \| good	2.422 \| good	10.345 \| good	0.216 \| good
2025-10-21T23:00:00.000Z	49 \| good	9.102 \| good	40.733 \| good	32.55 \| good	2.377 \| good	15.764 \| good	0.252 \| good
2025-10-22T00:00:00.000Z	30 \| good	5.24 \| good	23.004 \| good	31.85 \| good	2.332 \| good	21.183 \| good	0.288 \| good
2025-10-22T01:00:00.000Z	25 \| good	3.94 \| good	17.288 \| good	27.156 \| good	2.242 \| good	18.426 \| good	0.267 \| good
2025-10-22T02:00:00.000Z	33 \| good	6.336 \| good	28.006 \| good	23.242 \| good	2.153 \| good	15.669 \| good	0.246 \| good
2025-10-22T03:00:00.000Z	38 \| good	6.818 \| good	30.106 \| good	22.593 \| good	2.063 \| good	12.913 \| good	0.225 \| good
2025-10-22T04:00:00.000Z	49 \| good	8.709 \| good	38.127 \| good	19.944 \| good	2.013 \| good	11.618 \| good	0.217 \| good
2025-10-22T05:00:00.000Z	54 \| moderate	10.943 \| good	48.367 \| good	17.73 \| good	1.963 \| good	10.323 \| good	0.21 \| good
2025-10-22T06:00:00.000Z	58 \| moderate	12.521 \| fine	55.864 \| fine	13.677 \| good	1.913 \| good	9.028 \| good	0.202 \| good
2025-10-22T07:00:00.000Z	58 \| moderate	12.561 \| fine	56.211 \| fine	10.037 \| good	2.234 \| good	7.417 \| good	0.185 \| good
2025-10-22T08:00:00.000Z	49 \| good	8.72 \| good	38.752 \| good	15.85 \| good	2.556 \| good	5.806 \| good	0.167 \| good
2025-10-22T09:00:00.000Z	38 \| good	6.574 \| good	29.495 \| good	19.823 \| good	2.877 \| good	4.195 \| good	0.15 \| good
2025-10-22T10:00:00.000Z	27 \| good	5.315 \| good	22.659 \| good	15.667 \| good	3.045 \| good	5.585 \| good	0.155 \| good
2025-10-22T11:00:00.000Z	33 \| good	5.885 \| good	26.017 \| good	9.853 \| good	3.214 \| good	6.976 \| good	0.159 \| good
2025-10-22T12:00:00.000Z	33 \| good	6.142 \| good	27.141 \| good	15.59 \| good	3.382 \| good	8.367 \| good	0.164 \| good
2025-10-22T13:00:00.000Z	38 \| good	7.062 \| good	31.462 \| good	26.487 \| good	3.209 \| good	6.409 \| good	0.152 \| good
2025-10-22T14:00:00.000Z	31 \| good	4.401 \| good	19.243 \| good	33.215 \| good	3.035 \| good	4.452 \| good	0.141 \| good
2025-10-22T15:00:00.000Z	33 \| good	5.283 \| good	22.914 \| good	35.85 \| good	2.862 \| good	2.494 \| good	0.129 \| good
2025-10-22T16:00:00.000Z	34 \| good	5.09 \| good	21.914 \| good	37.394 \| good	2.669 \| good	2.371 \| good	0.127 \| good
2025-10-22T17:00:00.000Z	35 \| good	3.264 \| good	13.767 \| good	37.744 \| good	2.476 \| good	2.247 \| good	0.125 \| good
2025-10-22T18:00:00.000Z	35 \| good	3.496 \| good	15.3 \| good	38.21 \| good	2.283 \| good	2.124 \| good	0.123 \| good
2025-10-22T19:00:00.000Z	36 \| good	3.47 \| good	15.293 \| good	38.766 \| good	2.278 \| good	2.576 \| good	0.126 \| good
2025-10-22T20:00:00.000Z	35 \| good	3.731 \| good	16.417 \| good	38.099 \| good	2.272 \| good	3.028 \| good	0.13 \| good
2025-10-22T21:00:00.000Z	32 \| good	3.651 \| good	15.948 \| good	35.198 \| good	2.267 \| good	3.48 \| good	0.134 \| good
2025-10-22T22:00:00.000Z	31 \| good	2.272 \| good	9.35 \| good	32.747 \| good	2.346 \| good	6.522 \| good	0.154 \| good
2025-10-22T23:00:00.000Z	29 \| good	3.474 \| good	15.378 \| good	30.635 \| good	2.426 \| good	9.564 \| good	0.174 \| good
2025-10-23T00:00:00.000Z	27 \| good	4.721 \| good	20.456 \| good	28.012 \| good	2.505 \| good	12.606 \| good	0.194 \| good
2025-10-23T01:00:00.000Z	33 \| good	5.942 \| good	26.048 \| good	23.705 \| good	2.598 \| good	10.622 \| good	0.179 \| good
2025-10-23T02:00:00.000Z	38 \| good	6.779 \| good	30.075 \| good	19.277 \| good	2.692 \| good	8.638 \| good	0.164 \| good
2025-10-23T03:00:00.000Z	38 \| good	6.99 \| good	30.902 \| good	18.727 \| good	2.785 \| good	6.653 \| good	0.149 \| good
2025-10-23T04:00:00.000Z	38 \| good	6.821 \| good	30.378 \| good	17.431 \| good	2.804 \| good	6.505 \| good	0.148 \| good
2025-10-23T05:00:00.000Z	44 \| good	7.89 \| good	34.615 \| good	18.172 \| good	2.822 \| good	6.356 \| good	0.147 \| good
2025-10-23T06:00:00.000Z	33 \| good	6.154 \| good	6.161 \| good	23.472 \| good	2.869 \| good	6.265 \| good	0.146 \| good
2025-10-23T07:00:00.000Z	33 \| good	6.29 \| good	27.969 \| good	17.872 \| good	2.647 \| good	5.719 \| good	0.143 \| good
2025-10-23T08:00:00.000Z	44 \| good	7.577 \| good	33.45 \| good	15.886 \| good	2.454 \| good	5.231 \| good	0.14 \| good
2025-10-23T09:00:00.000Z	38 \| good	6.938 \| good	30.993 \| good	11.099 \| good	2.261 \| good	4.743 \| good	0.137 \| good
2025-10-23T10:00:00.000Z	44 \| good	7.629 \| good	33.54 \| good	7.663 \| good	2.241 \| good	5.917 \| good	0.147 \| good
2025-10-23T11:00:00.000Z	44 \| good	7.546 \| good	33.192 \| good	6.465 \| good	2.22 \| good	7.091 \| good	0.156 \| good

Columbia

Empower business decisions with accurate air quality data

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

0.31ppm

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 Columbia, Maryland updated?

Air quality data for Columbia, Maryland is updated on an hourly basis.

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

The worst air quality in Columbia, Maryland was recorded at 03:00:00 on 2025-10-21.

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

The best air quality in Columbia, Maryland was recorded at 11:00:00 on 2025-10-20.

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

The real-time air quality index in Columbia, Maryland is 38, currently categorized as Good.

Which pollutant is found most often in Columbia, Maryland?

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

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

If the air quality in Columbia, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.

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

The measured PM_2.5 levels in Columbia, Maryland at present are 6.556 μg/m³.

What are the current PM₁₀ levels at Columbia, Maryland?

The current PM₁₀ levels in Columbia, Maryland are 28.37 μg/m³.

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

The current carbon monoxide (CO) level in Columbia, Maryland is 0.244 ppm.

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

The current sulfur dioxide (SO₂) levels in Columbia, Maryland are 0.401 ppb.

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

The current ozone (O₃) levels at Columbia, Maryland is 3.587 ppm.

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

The current nitrogen dioxide (NO₂) levels at Columbia, Maryland is 13.985 ppb.

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