What are the current PM10 levels at Columbia, Maryland?

The current PM10 levels in Columbia, Maryland are 10.868 μg/m3.

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

The current sulfur dioxide (SO2) levels in Columbia, Maryland are 0.139 ppb.

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

The current ozone (O3) levels at Columbia, Maryland is 32.917 ppm.

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

The current nitrogen dioxide (NO2) levels at Columbia, Maryland is 3.565 ppb.

Real-time air quality index in Columbia, Maryland today

Q: What are the current PM2.5 levels in Columbia, Maryland?

The measured PM2.5 levels in Columbia, Maryland at present are 2.598 μg/m3.

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)

2.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.87 μg/m³

155

255

425

605+

Ozone (O₃)

32.92 ppb

201

201+

Sulfur Dioxide (SO₂)

0.14 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.56 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 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
2026-10-20T22:00:00.000Z	40 \| good	3.6 \| good	16 \| good	43.148 \| good	0.114 \| good	3.748 \| good	0.1 \| good
2026-10-20T23:00:00.000Z	39 \| good	3.8 \| good	17 \| good	41.517 \| good	0.178 \| good	4.223 \| good	0.2 \| good
2026-10-21T00:00:00.000Z	37 \| good	3.4 \| good	15 \| good	40.069 \| good	0.436 \| good	6.696 \| good	0.2 \| good
2026-10-21T01:00:00.000Z	28 \| good	3.7 \| good	16 \| good	30.387 \| good	0.421 \| good	12.488 \| good	0.2 \| good
2026-10-21T02:00:00.000Z	28 \| good	4.8 \| good	21 \| good	29.886 \| good	0.469 \| good	13.788 \| good	0.2 \| good
2026-10-21T03:00:00.000Z	52 \| moderate	9.533 \| good	42.636 \| good	11.328 \| good	0.804 \| good	9.422 \| good	0.197 \| good
2026-10-21T04:00:00.000Z	33 \| good	5.9 \| good	27 \| good	22.142 \| good	0.303 \| good	6.37 \| good	0.2 \| good
2026-10-21T05:00:00.000Z	33 \| good	5.9 \| good	27 \| good	20.604 \| good	0.298 \| good	8.461 \| good	0.2 \| good
2026-10-21T06:00:00.000Z	27 \| good	5.4 \| good	23 \| good	23.252 \| good	0.333 \| good	8.212 \| good	0.2 \| good
2026-10-21T07:00:00.000Z	27 \| good	5.4 \| good	23 \| good	24.749 \| good	0.345 \| good	7.938 \| good	0.2 \| good
2026-10-21T08:00:00.000Z	33 \| good	5.6 \| good	24 \| good	19.814 \| good	0.351 \| good	6.277 \| good	0.2 \| good
2026-10-21T09:00:00.000Z	38 \| good	6.8 \| good	30 \| good	23.165 \| good	0.111 \| good	7.072 \| good	0.2 \| good
2026-10-21T10:00:00.000Z	33 \| good	5.9 \| good	27 \| good	20.806 \| good	0.361 \| good	8.79 \| good	0.2 \| good
2026-10-21T11:00:00.000Z	33 \| good	5.9 \| good	27 \| good	19.517 \| good	0.437 \| good	13.005 \| good	0.2 \| good
2026-10-21T12:00:00.000Z	33 \| good	6.3 \| good	28 \| good	20.277 \| good	0.363 \| good	13.317 \| good	0.2 \| good
2026-10-21T13:00:00.000Z	33 \| good	6.3 \| good	28 \| good	19.602 \| good	0.397 \| good	15.911 \| good	0.2 \| good
2026-10-21T14:00:00.000Z	22 \| good	3.8 \| good	17 \| good	21.913 \| good	0.129 \| good	9.107 \| good	0.2 \| good
2026-10-21T15:00:00.000Z	23 \| good	3.9 \| good	17 \| good	25.29 \| good	0.129 \| good	5.814 \| good	0.2 \| good
2026-10-21T16:00:00.000Z	23 \| good	3.9 \| good	17 \| good	25.029 \| good	0.263 \| good	4.413 \| good	0.1 \| good
2026-10-21T17:00:00.000Z	26 \| good	3.9 \| good	17 \| good	27.635 \| good	0.202 \| good	3.018 \| good	0.1 \| good
2026-10-21T18:00:00.000Z	30 \| good	3.4 \| good	15 \| good	31.944 \| good	0.185 \| good	2.08 \| good	0.1 \| good
2026-10-21T19:00:00.000Z	31 \| good	3.2 \| good	14 \| good	32.911 \| good	0.122 \| good	2.175 \| good	0.1 \| good
2026-10-21T20:00:00.000Z	31 \| good	3.1 \| good	14 \| good	33.895 \| good	0.115 \| good	2.728 \| good	0.1 \| good
2026-10-21T21:00:00.000Z	31 \| good	3.5 \| good	16 \| good	33.49 \| good	0.122 \| good	3.18 \| good	0.1 \| good
2026-10-21T22:00:00.000Z	31 \| good	4.7 \| good	21 \| good	33.463 \| good	0.18 \| good	3.562 \| good	0.1 \| good
2026-10-21T23:00:00.000Z	33 \| good	5.8 \| good	25 \| good	27.578 \| good	0.331 \| good	4.128 \| good	0.2 \| good
2026-10-22T00:00:00.000Z	27 \| good	5.4 \| good	23 \| good	26.731 \| good	0.472 \| good	5.884 \| good	0.1 \| good
2026-10-22T01:00:00.000Z	27 \| good	5.2 \| good	23 \| good	25.658 \| good	0.509 \| good	10.133 \| good	0.2 \| good
2026-10-22T02:00:00.000Z	27 \| good	5.1 \| good	22 \| good	22.468 \| good	0.392 \| good	10.743 \| good	0.2 \| good
2026-10-22T03:00:00.000Z	22 \| good	4.143 \| good	18.091 \| good	15.653 \| good	0.593 \| good	11.451 \| good	0.207 \| good
2026-10-22T04:00:00.000Z	27 \| good	4.7 \| good	21 \| good	17.603 \| good	0.352 \| good	11.036 \| good	0.2 \| good
2026-10-22T05:00:00.000Z	22 \| good	4.3 \| good	19 \| good	19.71 \| good	0.342 \| good	10.096 \| good	0.2 \| good
2026-10-22T06:00:00.000Z	22 \| good	3.6 \| good	16 \| good	14.148 \| good	0.154 \| good	8.968 \| good	0.2 \| good
2026-10-22T07:00:00.000Z	22 \| good	3.6 \| good	16 \| good	13.764 \| good	0.154 \| good	9.07 \| good	0.2 \| good
2026-10-22T08:00:00.000Z	16 \| good	3.4 \| good	15 \| good	10.529 \| good	0.289 \| good	8.595 \| good	0.2 \| good
2026-10-22T09:00:00.000Z	16 \| good	3.2 \| good	14 \| good	12.423 \| good	0.499 \| good	10.93 \| good	0.2 \| good
2026-10-22T10:00:00.000Z	27 \| good	4.6 \| good	20 \| good	15.734 \| good	0.675 \| good	7.325 \| good	0.2 \| good
2026-10-22T11:00:00.000Z	27 \| good	5.3 \| good	23 \| good	10.469 \| good	0.614 \| good	13.936 \| good	0.2 \| good
2026-10-22T12:00:00.000Z	38 \| good	6.6 \| good	30 \| good	13.217 \| good	0.686 \| good	15.243 \| good	0.2 \| good
2026-10-22T13:00:00.000Z	38 \| good	6.6 \| good	30 \| good	15.01 \| good	0.685 \| good	16.851 \| good	0.2 \| good
2026-10-22T14:00:00.000Z	27 \| good	4.6 \| good	20 \| good	19.079 \| good	0.243 \| good	9.546 \| good	0.1 \| good
2026-10-22T15:00:00.000Z	27 \| good	4.8 \| good	21 \| good	25.486 \| good	0.139 \| good	5.246 \| good	0.1 \| good
2026-10-22T16:00:00.000Z	27 \| good	3.9 \| good	17 \| good	28.517 \| good	0.115 \| good	2.681 \| good	0.1 \| good
2026-10-22T17:00:00.000Z	29 \| good	3.9 \| good	17 \| good	31.093 \| good	0.122 \| good	2.29 \| good	0.1 \| good
2026-10-22T18:00:00.000Z	31 \| good	3.9 \| good	17 \| good	32.915 \| good	0.119 \| good	2.727 \| good	0.1 \| good
2026-10-22T19:00:00.000Z	31 \| good	1.729 \| good	5.613 \| good	32.715 \| good	0.179 \| good	3.008 \| good	0.1 \| good
2026-10-22T20:00:00.000Z	30 \| good	1.5 \| good	6 \| good	31.931 \| good	0.13 \| good	2.56 \| good	0.1 \| good
2026-10-22T21:00:00.000Z	31 \| good	2.8 \| good	12 \| good	32.642 \| good	0.135 \| good	3.413 \| good	0.1 \| good
2026-10-22T21:00:00.000Z	31 \| good	2.598 \| good	10.868 \| good	32.917 \| good	0.139 \| good	3.565 \| good	0.101 \| good
2026-10-22T22:00:00.000Z	26 \| good	1.44 \| good	5.636 \| good	28.248 \| good	0.579 \| good	7.495 \| good	0.205 \| good
2026-10-22T23:00:00.000Z	23 \| good	1.176 \| good	4.454 \| good	25.2 \| good	0.588 \| good	12.52 \| good	0.242 \| good
2026-10-23T00:00:00.000Z	22 \| good	3.818 \| good	16.494 \| good	19.6 \| good	0.583 \| good	13.431 \| good	0.243 \| good
2026-10-23T01:00:00.000Z	27 \| good	4.882 \| good	21.268 \| good	19.491 \| good	0.58 \| good	12.756 \| good	0.234 \| good
2026-10-23T02:00:00.000Z	27 \| good	5.322 \| good	22.699 \| good	19.53 \| good	0.608 \| good	11.31 \| good	0.222 \| good
2026-10-23T03:00:00.000Z	27 \| good	4.88 \| good	21.326 \| good	21.322 \| good	0.683 \| good	9.796 \| good	0.213 \| good
2026-10-23T04:00:00.000Z	27 \| good	4.685 \| good	20.271 \| good	21.661 \| good	0.783 \| good	7.75 \| good	0.206 \| good
2026-10-23T05:00:00.000Z	22 \| good	4.448 \| good	19.241 \| good	20.654 \| good	0.856 \| good	5.605 \| good	0.198 \| good
2026-10-23T06:00:00.000Z	27 \| good	4.912 \| good	21.241 \| good	22.575 \| good	0.877 \| good	4.253 \| good	0.19 \| good
2026-10-23T07:00:00.000Z	27 \| good	5.411 \| good	23.034 \| good	20.833 \| good	0.84 \| good	3.572 \| good	0.185 \| good
2026-10-23T08:00:00.000Z	27 \| good	5.492 \| good	23.593 \| good	19.905 \| good	0.779 \| good	3.237 \| good	0.181 \| good
2026-10-23T09:00:00.000Z	27 \| good	4.547 \| good	19.867 \| good	17.497 \| good	0.715 \| good	3.049 \| good	0.178 \| good
2026-10-23T10:00:00.000Z	27 \| good	5.023 \| good	21.928 \| good	14.852 \| good	0.672 \| good	3.103 \| good	0.176 \| good
2026-10-23T11:00:00.000Z	33 \| good	5.678 \| good	24.751 \| good	13.898 \| good	0.663 \| good	3.896 \| good	0.18 \| good
2026-10-23T12:00:00.000Z	22 \| good	3.859 \| good	16.855 \| good	16.146 \| good	0.682 \| good	5.648 \| good	0.193 \| good
2026-10-23T13:00:00.000Z	21 \| good	1.811 \| good	7.548 \| good	23.224 \| good	0.708 \| good	4.226 \| good	0.192 \| good
2026-10-23T14:00:00.000Z	25 \| good	1.173 \| good	4.63 \| good	26.625 \| good	0.739 \| good	3.098 \| good	0.186 \| good
2026-10-23T15:00:00.000Z	27 \| good	1.549 \| good	6.067 \| good	28.578 \| good	0.78 \| good	2.672 \| good	0.182 \| good
2026-10-23T16:00:00.000Z	30 \| good	2.243 \| good	9 \| good	31.72 \| good	0.813 \| good	2.443 \| good	0.177 \| good
2026-10-23T17:00:00.000Z	32 \| good	1.79 \| good	7.331 \| good	34.694 \| good	0.817 \| good	2.285 \| good	0.173 \| good
2026-10-23T18:00:00.000Z	33 \| good	1.907 \| good	8.179 \| good	36.369 \| good	0.822 \| good	2.264 \| good	0.17 \| good
2026-10-23T19:00:00.000Z	34 \| good	2.754 \| good	11.302 \| good	36.525 \| good	0.825 \| good	2.356 \| good	0.169 \| good
2026-10-23T20:00:00.000Z	32 \| good	2.217 \| good	8.99 \| good	35.436 \| good	0.827 \| good	2.619 \| good	0.167 \| good
2026-10-23T21:00:00.000Z	31 \| good	3.419 \| good	15.051 \| good	32.595 \| good	0.839 \| good	3.367 \| good	0.169 \| good
2026-10-23T22:00:00.000Z	33 \| good	5.606 \| good	24.402 \| good	22.966 \| good	0.863 \| good	9.977 \| good	0.219 \| good
2026-10-23T23:00:00.000Z	38 \| good	7.153 \| good	31.675 \| good	15.356 \| good	0.925 \| good	21.763 \| good	0.305 \| good
2026-10-24T00:00:00.000Z	49 \| good	9.23 \| good	41.208 \| good	7.969 \| good	0.985 \| good	25.207 \| good	0.321 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	9.695 \| good	43.362 \| good	8.207 \| good	1.013 \| good	24.906 \| good	0.302 \| good
2026-10-24T02:00:00.000Z	44 \| good	7.797 \| good	34.524 \| good	9.512 \| good	1.026 \| good	24.767 \| good	0.29 \| good
2026-10-24T03:00:00.000Z	27 \| good	5.237 \| good	22.884 \| good	11.201 \| good	1.03 \| good	25.288 \| good	0.285 \| good
2026-10-24T04:00:00.000Z	24 \| good	3.561 \| good	15.218 \| good	13.51 \| good	1.018 \| good	25.447 \| good	0.286 \| good
2026-10-24T05:00:00.000Z	23 \| good	2.08 \| good	8.423 \| good	15.3 \| good	0.98 \| good	23.977 \| good	0.28 \| good
2026-10-24T06:00:00.000Z	22 \| good	2.392 \| good	9.794 \| good	16.976 \| good	0.956 \| good	22.917 \| good	0.272 \| good
2026-10-24T07:00:00.000Z	22 \| good	1.809 \| good	7.571 \| good	16.036 \| good	0.953 \| good	22.546 \| good	0.267 \| good
2026-10-24T08:00:00.000Z	22 \| good	2.636 \| good	10.97 \| good	12.705 \| good	0.96 \| good	22.756 \| good	0.265 \| good
2026-10-24T09:00:00.000Z	22 \| good	2.358 \| good	9.763 \| good	7.71 \| good	0.965 \| good	23.419 \| good	0.269 \| good
2026-10-24T10:00:00.000Z	23 \| good	2.605 \| good	10.607 \| good	6.079 \| good	0.931 \| good	24.132 \| good	0.281 \| good
2026-10-24T11:00:00.000Z	23 \| good	3.114 \| good	13.532 \| good	4.091 \| good	0.888 \| good	24.406 \| good	0.308 \| good
2026-10-24T12:00:00.000Z	21 \| good	3.423 \| good	14.804 \| good	8.355 \| good	0.905 \| good	21.577 \| good	0.365 \| good
2026-10-24T13:00:00.000Z	17 \| good	2.68 \| good	11.025 \| good	17.994 \| good	0.922 \| good	16.507 \| good	0.397 \| good
2026-10-24T14:00:00.000Z	25 \| good	1.641 \| good	6.836 \| good	27.406 \| good	1.283 \| good	11.761 \| good	0.274 \| good
2026-10-24T15:00:00.000Z	30 \| good	1.38 \| good	5.468 \| good	31.938 \| good	1.359 \| good	5.586 \| good	0.191 \| good
2026-10-24T16:00:00.000Z	33 \| good	1.099 \| good	4.305 \| good	36.473 \| good	1.234 \| good	4.364 \| good	0.179 \| good
2026-10-24T17:00:00.000Z	36 \| good	0.592 \| good	2.339 \| good	38.787 \| good	1.18 \| good	3.958 \| good	0.177 \| good
2026-10-24T18:00:00.000Z	38 \| good	0.561 \| good	2.123 \| good	40.583 \| good	1.144 \| good	3.761 \| good	0.175 \| good
2026-10-24T19:00:00.000Z	39 \| good	1.058 \| good	4.275 \| good	42.082 \| good	1.104 \| good	3.669 \| good	0.173 \| good
2026-10-24T20:00:00.000Z	36 \| good	0.563 \| good	2.187 \| good	39.492 \| good	1.086 \| good	3.856 \| good	0.173 \| good
2026-10-24T21:00:00.000Z	35 \| good	1.463 \| good	5.845 \| good	37.573 \| good	1.097 \| good	4.641 \| good	0.176 \| good

Columbia

Empower business decisions with accurate air quality data

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

0.10ppm

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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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 01:00:00 on 2026-10-22.

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

The best air quality in Columbia, Maryland was recorded at 09:00:00 on 2026-10-22.

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

The real-time air quality index in Columbia, Maryland is 31, currently categorized as Good.

Which pollutant is found most often in Columbia, Maryland?

The most common pollutant in Columbia, Maryland is O3.

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 2.598 μg/m³.

What are the current PM₁₀ levels at Columbia, Maryland?

The current PM₁₀ levels in Columbia, Maryland are 10.868 μg/m³.

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

The current carbon monoxide (CO) level in Columbia, Maryland is 0.101 ppm.

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

The current sulfur dioxide (SO₂) levels in Columbia, Maryland are 0.139 ppb.

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

The current ozone (O₃) levels at Columbia, Maryland is 32.917 ppm.

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

The current nitrogen dioxide (NO₂) levels at Columbia, Maryland is 3.565 ppb.

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