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

The current PM10 concentration at Crofton, Maryland is 8.92 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Crofton, Maryland is 0.145 ppb.

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

The current ozone (O3) concentration at Crofton, Maryland is 33.801 ppm.

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

The current nitrogen dioxide (NO2) concentration at Crofton, Maryland is 3.21 ppb.

Crofton, Maryland live air quality index now

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

The current PM2.5 concentration at Crofton, Maryland is 1.502 μg/m3.

Stay updated with real-time air quality in Crofton, 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

Crofton, Maryland

Last updated: ... (Local time)

Major air pollutants in Crofton, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

8.92 μg/m³

155

255

425

605+

Ozone (O₃)

33.80 ppb

201

201+

Sulfur Dioxide (SO₂)

0.14 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.21 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Crofton, Maryland

Get Live Pollen Counts

Crofton, Maryland

Scroll To Air Quality Map

Track live Crofton, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	39 \| good	3.02 \| good	15.451 \| good	41.532 \| good	0.119 \| good	4.657 \| good	0.13 \| good
2026-10-20T22:00:00.000Z	38 \| good	2.95 \| good	16.708 \| good	40.939 \| good	0.122 \| good	4.487 \| good	0.13 \| good
2026-10-20T23:00:00.000Z	35 \| good	2.875 \| good	8.402 \| good	38.255 \| good	0.175 \| good	3.772 \| good	0.154 \| good
2026-10-21T00:00:00.000Z	32 \| good	3.758 \| good	16.046 \| good	35.311 \| good	0.448 \| good	6.893 \| good	0.196 \| good
2026-10-21T01:00:00.000Z	33 \| good	6.375 \| good	29.502 \| good	36.19 \| good	0.434 \| good	12.129 \| good	0.198 \| good
2026-10-21T02:00:00.000Z	33 \| good	5.601 \| good	26.096 \| good	35.92 \| good	0.48 \| good	11.807 \| good	0.234 \| good
2026-10-21T03:00:00.000Z	52 \| moderate	10.132 \| good	45 \| good	13.05 \| good	0.875 \| good	10.221 \| good	0.209 \| good
2026-10-21T04:00:00.000Z	33 \| good	6.151 \| good	25.009 \| good	17.776 \| good	0.31 \| good	11.342 \| good	0.296 \| good
2026-10-21T05:00:00.000Z	27 \| good	4.955 \| good	17.22 \| good	22.793 \| good	0.294 \| good	13.387 \| good	0.296 \| good
2026-10-21T06:00:00.000Z	22 \| good	4.151 \| good	15.581 \| good	21.829 \| good	0.338 \| good	11.165 \| good	0.262 \| good
2026-10-21T07:00:00.000Z	33 \| good	5.93 \| good	26.875 \| good	21.941 \| good	0.35 \| good	9.866 \| good	0.226 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.077 \| good	16.585 \| good	23.478 \| good	0.355 \| good	8.741 \| good	0.19 \| good
2026-10-21T09:00:00.000Z	22 \| good	4.458 \| good	14.951 \| good	19.339 \| good	0.111 \| good	7.826 \| good	0.174 \| good
2026-10-21T10:00:00.000Z	22 \| good	4.173 \| good	20.941 \| good	21.723 \| good	0.353 \| good	10.117 \| good	0.178 \| good
2026-10-21T11:00:00.000Z	20 \| good	3.242 \| good	7.679 \| good	21.59 \| good	0.398 \| good	11.679 \| good	0.226 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.526 \| good	9.218 \| good	17.86 \| good	0.367 \| good	11.97 \| good	0.208 \| good
2026-10-21T13:00:00.000Z	44 \| good	8.359 \| good	35.206 \| good	15.335 \| good	0.401 \| good	13.933 \| good	0.208 \| good
2026-10-21T14:00:00.000Z	27 \| good	4.696 \| good	24.508 \| good	21.618 \| good	0.144 \| good	9.932 \| good	0.19 \| good
2026-10-21T15:00:00.000Z	22 \| good	3.536 \| good	17.176 \| good	21.402 \| good	0.144 \| good	6.115 \| good	0.172 \| good
2026-10-21T16:00:00.000Z	25 \| good	2.357 \| good	6.413 \| good	27.394 \| good	0.298 \| good	4.809 \| good	0.148 \| good
2026-10-21T17:00:00.000Z	27 \| good	2.081 \| good	6.424 \| good	28.606 \| good	0.264 \| good	3.559 \| good	0.13 \| good
2026-10-21T18:00:00.000Z	30 \| good	1.635 \| good	6.522 \| good	32.439 \| good	0.231 \| good	2.602 \| good	0.114 \| good
2026-10-21T19:00:00.000Z	33 \| good	3.149 \| good	14.743 \| good	36.291 \| good	0.134 \| good	2.629 \| good	0.1 \| good
2026-10-21T20:00:00.000Z	32 \| good	3.1 \| good	12.729 \| good	35.055 \| good	0.122 \| good	2.863 \| good	0.1 \| good
2026-10-21T21:00:00.000Z	31 \| good	2.473 \| good	9.572 \| good	34.369 \| good	0.135 \| good	3.2 \| good	0.116 \| good
2026-10-21T22:00:00.000Z	30 \| good	3.63 \| good	13.638 \| good	32.211 \| good	0.176 \| good	2.842 \| good	0.116 \| good
2026-10-21T23:00:00.000Z	30 \| good	3.937 \| good	13.494 \| good	32.169 \| good	0.325 \| good	3.952 \| good	0.182 \| good
2026-10-22T00:00:00.000Z	24 \| good	3.605 \| good	14.456 \| good	25.993 \| good	0.48 \| good	6.618 \| good	0.159 \| good
2026-10-22T01:00:00.000Z	22 \| good	3.558 \| good	19.38 \| good	23.604 \| good	0.517 \| good	9.975 \| good	0.214 \| good
2026-10-22T02:00:00.000Z	16 \| good	2.536 \| good	12.867 \| good	17.056 \| good	0.4 \| good	11.496 \| good	0.25 \| good
2026-10-22T03:00:00.000Z	22 \| good	3.692 \| good	15.755 \| good	12.576 \| good	0.716 \| good	12.234 \| good	0.216 \| good
2026-10-22T04:00:00.000Z	27 \| good	4.845 \| good	21.482 \| good	16.292 \| good	0.356 \| good	9.542 \| good	0.226 \| good
2026-10-22T05:00:00.000Z	22 \| good	4.337 \| good	15.074 \| good	19.011 \| good	0.344 \| good	10.193 \| good	0.298 \| good
2026-10-22T06:00:00.000Z	27 \| good	4.691 \| good	18.285 \| good	18.18 \| good	0.152 \| good	9.864 \| good	0.296 \| good
2026-10-22T07:00:00.000Z	18 \| good	3.39 \| good	18.969 \| good	17.031 \| good	0.152 \| good	7.055 \| good	0.262 \| good
2026-10-22T08:00:00.000Z	27 \| good	4.632 \| good	18.535 \| good	9.737 \| good	0.282 \| good	10.484 \| good	0.226 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.602 \| good	19.846 \| good	18.917 \| good	0.502 \| good	11.369 \| good	0.212 \| good
2026-10-22T10:00:00.000Z	27 \| good	5.019 \| good	18.848 \| good	16.681 \| good	0.672 \| good	11.503 \| good	0.248 \| good
2026-10-22T11:00:00.000Z	33 \| good	5.69 \| good	19.622 \| good	12.234 \| good	0.587 \| good	14.577 \| good	0.248 \| good
2026-10-22T12:00:00.000Z	16 \| good	2.509 \| good	12.316 \| good	16.366 \| good	0.686 \| good	15.329 \| good	0.272 \| good
2026-10-22T13:00:00.000Z	27 \| good	5.482 \| good	14.432 \| good	15.261 \| good	0.686 \| good	16.828 \| good	0.236 \| good
2026-10-22T14:00:00.000Z	22 \| good	4.268 \| good	18.73 \| good	21.676 \| good	0.236 \| good	11.045 \| good	0.184 \| good
2026-10-22T15:00:00.000Z	22 \| good	3.508 \| good	18.034 \| good	23.356 \| good	0.161 \| good	7.14 \| good	0.13 \| good
2026-10-22T16:00:00.000Z	25 \| good	2.968 \| good	12.253 \| good	26.981 \| good	0.122 \| good	4.953 \| good	0.114 \| good
2026-10-22T17:00:00.000Z	29 \| good	2.683 \| good	10.352 \| good	31.179 \| good	0.135 \| good	4.249 \| good	0.1 \| good
2026-10-22T18:00:00.000Z	31 \| good	3.334 \| good	10.541 \| good	33.092 \| good	0.128 \| good	3.478 \| good	0.1 \| good
2026-10-22T19:00:00.000Z	33 \| good	1.941 \| good	7.321 \| good	36.129 \| good	0.229 \| good	3.48 \| good	0.1 \| good
2026-10-22T20:00:00.000Z	31 \| good	1.502 \| good	8.92 \| good	33.801 \| good	0.145 \| good	3.21 \| good	0.1 \| good
2026-10-22T20:00:00.000Z	31 \| good	1.502 \| good	8.92 \| good	33.801 \| good	0.145 \| good	3.21 \| good	0.1 \| good
2026-10-22T21:00:00.000Z	34 \| good	2.235 \| good	9.23 \| good	36.621 \| good	0.613 \| good	2.958 \| good	0.171 \| good
2026-10-22T22:00:00.000Z	28 \| good	1.392 \| good	5.769 \| good	30.399 \| good	0.623 \| good	6.49 \| good	0.2 \| good
2026-10-22T23:00:00.000Z	20 \| good	1.427 \| good	5.768 \| good	22.448 \| good	0.645 \| good	11.112 \| good	0.236 \| good
2026-10-23T00:00:00.000Z	22 \| good	3.697 \| good	15.963 \| good	15.33 \| good	0.659 \| good	12.621 \| good	0.242 \| good
2026-10-23T01:00:00.000Z	27 \| good	4.873 \| good	20.98 \| good	15.442 \| good	0.66 \| good	12.726 \| good	0.238 \| good
2026-10-23T02:00:00.000Z	27 \| good	5.376 \| good	23.384 \| good	16.044 \| good	0.674 \| good	11.839 \| good	0.228 \| good
2026-10-23T03:00:00.000Z	27 \| good	4.756 \| good	20.687 \| good	19.555 \| good	0.721 \| good	10.647 \| good	0.219 \| good
2026-10-23T04:00:00.000Z	27 \| good	4.896 \| good	21.274 \| good	21.546 \| good	0.794 \| good	8.808 \| good	0.211 \| good
2026-10-23T05:00:00.000Z	22 \| good	4.186 \| good	18.526 \| good	20.695 \| good	0.859 \| good	6.595 \| good	0.203 \| good
2026-10-23T06:00:00.000Z	27 \| good	4.582 \| good	20.015 \| good	22.872 \| good	0.893 \| good	4.993 \| good	0.194 \| good
2026-10-23T07:00:00.000Z	27 \| good	4.78 \| good	20.944 \| good	21.135 \| good	0.876 \| good	4.035 \| good	0.188 \| good
2026-10-23T08:00:00.000Z	22 \| good	4.133 \| good	17.991 \| good	20.15 \| good	0.83 \| good	3.502 \| good	0.184 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.923 \| good	17.081 \| good	16.704 \| good	0.773 \| good	3.223 \| good	0.18 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.438 \| good	19.336 \| good	14.414 \| good	0.726 \| good	3.198 \| good	0.179 \| good
2026-10-23T11:00:00.000Z	22 \| good	3.874 \| good	16.826 \| good	13.358 \| good	0.706 \| good	3.757 \| good	0.181 \| good
2026-10-23T12:00:00.000Z	16 \| good	1.928 \| good	7.791 \| good	17.199 \| good	0.715 \| good	5.202 \| good	0.193 \| good
2026-10-23T13:00:00.000Z	22 \| good	0.673 \| good	2.451 \| good	23.823 \| good	0.732 \| good	4.068 \| good	0.193 \| good
2026-10-23T14:00:00.000Z	23 \| good	1.154 \| good	4.696 \| good	25.227 \| good	0.758 \| good	3.118 \| good	0.187 \| good
2026-10-23T15:00:00.000Z	25 \| good	2.308 \| good	9.428 \| good	26.703 \| good	0.789 \| good	2.697 \| good	0.182 \| good
2026-10-23T16:00:00.000Z	28 \| good	3.032 \| good	13.072 \| good	30.367 \| good	0.811 \| good	2.466 \| good	0.177 \| good
2026-10-23T17:00:00.000Z	31 \| good	3.098 \| good	13.094 \| good	33.9 \| good	0.815 \| good	2.292 \| good	0.173 \| good
2026-10-23T18:00:00.000Z	33 \| good	3.419 \| good	14.581 \| good	36.205 \| good	0.815 \| good	2.235 \| good	0.17 \| good
2026-10-23T19:00:00.000Z	34 \| good	3.618 \| good	16.095 \| good	36.924 \| good	0.812 \| good	2.275 \| good	0.168 \| good
2026-10-23T20:00:00.000Z	34 \| good	2.669 \| good	10.748 \| good	36.755 \| good	0.814 \| good	2.507 \| good	0.167 \| good
2026-10-23T21:00:00.000Z	32 \| good	2.603 \| good	10.522 \| good	35.082 \| good	0.822 \| good	3.119 \| good	0.168 \| good
2026-10-23T22:00:00.000Z	26 \| good	1.279 \| good	5.256 \| good	28.299 \| good	0.836 \| good	7.655 \| good	0.203 \| good
2026-10-23T23:00:00.000Z	21 \| good	2.09 \| good	8.624 \| good	23.488 \| good	0.886 \| good	15.823 \| good	0.267 \| good
2026-10-24T00:00:00.000Z	22 \| good	3.945 \| good	17.05 \| good	18.521 \| good	0.923 \| good	18.325 \| good	0.279 \| good
2026-10-24T01:00:00.000Z	19 \| good	3.404 \| good	14.649 \| good	20.663 \| good	0.922 \| good	17.975 \| good	0.262 \| good
2026-10-24T02:00:00.000Z	20 \| good	2.016 \| good	8.165 \| good	21.853 \| good	0.9 \| good	17.636 \| good	0.251 \| good
2026-10-24T03:00:00.000Z	20 \| good	1.7 \| good	7.03 \| good	21.708 \| good	0.874 \| good	17.677 \| good	0.245 \| good
2026-10-24T04:00:00.000Z	19 \| good	1.269 \| good	5.034 \| good	21.44 \| good	0.836 \| good	17.438 \| good	0.244 \| good
2026-10-24T05:00:00.000Z	19 \| good	1.095 \| good	4.565 \| good	21.262 \| good	0.782 \| good	16.203 \| good	0.238 \| good
2026-10-24T06:00:00.000Z	21 \| good	0.636 \| good	2.234 \| good	22.562 \| good	0.756 \| good	15.507 \| good	0.232 \| good
2026-10-24T07:00:00.000Z	19 \| good	0.588 \| good	1.897 \| good	20.445 \| good	0.753 \| good	15.448 \| good	0.228 \| good
2026-10-24T08:00:00.000Z	16 \| good	0.894 \| good	3.287 \| good	17.089 \| good	0.759 \| good	15.953 \| good	0.229 \| good
2026-10-24T09:00:00.000Z	16 \| good	0.963 \| good	3.801 \| good	12.162 \| good	0.773 \| good	16.768 \| good	0.233 \| good
2026-10-24T10:00:00.000Z	17 \| good	0.998 \| good	3.945 \| good	11.045 \| good	0.764 \| good	17.613 \| good	0.244 \| good
2026-10-24T11:00:00.000Z	17 \| good	1.204 \| good	4.796 \| good	9.649 \| good	0.756 \| good	18.351 \| good	0.265 \| good
2026-10-24T12:00:00.000Z	17 \| good	1.672 \| good	6.791 \| good	12.46 \| good	0.805 \| good	17.651 \| good	0.311 \| good
2026-10-24T13:00:00.000Z	19 \| good	1.422 \| good	5.934 \| good	20.01 \| good	0.843 \| good	13.939 \| good	0.337 \| good
2026-10-24T14:00:00.000Z	27 \| good	1.232 \| good	4.978 \| good	28.713 \| good	1.092 \| good	10.103 \| good	0.25 \| good
2026-10-24T15:00:00.000Z	31 \| good	1.595 \| good	6.642 \| good	33.49 \| good	1.118 \| good	4.899 \| good	0.184 \| good
2026-10-24T16:00:00.000Z	35 \| good	0.917 \| good	3.763 \| good	38.301 \| good	1.024 \| good	3.747 \| good	0.174 \| good
2026-10-24T17:00:00.000Z	38 \| good	0.742 \| good	2.763 \| good	40.598 \| good	0.966 \| good	3.295 \| good	0.171 \| good
2026-10-24T18:00:00.000Z	38 \| good	0.777 \| good	2.929 \| good	41.254 \| good	0.926 \| good	3.07 \| good	0.169 \| good
2026-10-24T19:00:00.000Z	38 \| good	0.861 \| good	3.254 \| good	41.336 \| good	0.895 \| good	2.991 \| good	0.168 \| good
2026-10-24T20:00:00.000Z	36 \| good	0.636 \| good	2.432 \| good	39.102 \| good	0.879 \| good	3.138 \| good	0.168 \| good

Crofton

Get reliable air quality data to drive your business

Crofton, Maryland air quality map: Track AQI near you

0.10ppm

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

Air quality levels in US

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

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

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

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

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

The worst air quality in Crofton, Maryland in the last 24 hours was observed at 07:00:00 on 2026-10-22.

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

In the last 24 hrs, the best air quality in Crofton, Maryland was observed at 12:00:00 on 2026-10-22.

What is the current air quality in Crofton, Maryland?

The current air quality in Crofton, Maryland is 31, categorized as Good based on real-time data.

What pollutant is the most common in Crofton, Maryland?

The most common pollutant in Crofton, Maryland is O3.

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

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

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

The current PM_2.5 concentration at Crofton, Maryland is 1.502 μg/m³.

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

The current PM₁₀ concentration at Crofton, Maryland is 8.92 μg/m³.

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

The current carbon monoxide (CO) concentration at Crofton, Maryland is 0.1 ppm.

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

The current sulfur dioxide (SO₂) concentration at Crofton, Maryland is 0.145 ppb.

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

The current ozone (O₃) concentration at Crofton, Maryland is 33.801 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Crofton, Maryland is 3.21 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	39 \| good	3.02 \| good	15.451 \| good	41.532 \| good	0.119 \| good	4.657 \| good	0.13 \| good
2026-10-20T22:00:00.000Z	38 \| good	2.95 \| good	16.708 \| good	40.939 \| good	0.122 \| good	4.487 \| good	0.13 \| good
2026-10-20T23:00:00.000Z	35 \| good	2.875 \| good	8.402 \| good	38.255 \| good	0.175 \| good	3.772 \| good	0.154 \| good
2026-10-21T00:00:00.000Z	32 \| good	3.758 \| good	16.046 \| good	35.311 \| good	0.448 \| good	6.893 \| good	0.196 \| good
2026-10-21T01:00:00.000Z	33 \| good	6.375 \| good	29.502 \| good	36.19 \| good	0.434 \| good	12.129 \| good	0.198 \| good
2026-10-21T02:00:00.000Z	33 \| good	5.601 \| good	26.096 \| good	35.92 \| good	0.48 \| good	11.807 \| good	0.234 \| good
2026-10-21T03:00:00.000Z	52 \| moderate	10.132 \| good	45 \| good	13.05 \| good	0.875 \| good	10.221 \| good	0.209 \| good
2026-10-21T04:00:00.000Z	33 \| good	6.151 \| good	25.009 \| good	17.776 \| good	0.31 \| good	11.342 \| good	0.296 \| good
2026-10-21T05:00:00.000Z	27 \| good	4.955 \| good	17.22 \| good	22.793 \| good	0.294 \| good	13.387 \| good	0.296 \| good
2026-10-21T06:00:00.000Z	22 \| good	4.151 \| good	15.581 \| good	21.829 \| good	0.338 \| good	11.165 \| good	0.262 \| good
2026-10-21T07:00:00.000Z	33 \| good	5.93 \| good	26.875 \| good	21.941 \| good	0.35 \| good	9.866 \| good	0.226 \| good
2026-10-21T08:00:00.000Z	27 \| good	5.077 \| good	16.585 \| good	23.478 \| good	0.355 \| good	8.741 \| good	0.19 \| good
2026-10-21T09:00:00.000Z	22 \| good	4.458 \| good	14.951 \| good	19.339 \| good	0.111 \| good	7.826 \| good	0.174 \| good
2026-10-21T10:00:00.000Z	22 \| good	4.173 \| good	20.941 \| good	21.723 \| good	0.353 \| good	10.117 \| good	0.178 \| good
2026-10-21T11:00:00.000Z	20 \| good	3.242 \| good	7.679 \| good	21.59 \| good	0.398 \| good	11.679 \| good	0.226 \| good
2026-10-21T12:00:00.000Z	22 \| good	3.526 \| good	9.218 \| good	17.86 \| good	0.367 \| good	11.97 \| good	0.208 \| good
2026-10-21T13:00:00.000Z	44 \| good	8.359 \| good	35.206 \| good	15.335 \| good	0.401 \| good	13.933 \| good	0.208 \| good
2026-10-21T14:00:00.000Z	27 \| good	4.696 \| good	24.508 \| good	21.618 \| good	0.144 \| good	9.932 \| good	0.19 \| good
2026-10-21T15:00:00.000Z	22 \| good	3.536 \| good	17.176 \| good	21.402 \| good	0.144 \| good	6.115 \| good	0.172 \| good
2026-10-21T16:00:00.000Z	25 \| good	2.357 \| good	6.413 \| good	27.394 \| good	0.298 \| good	4.809 \| good	0.148 \| good
2026-10-21T17:00:00.000Z	27 \| good	2.081 \| good	6.424 \| good	28.606 \| good	0.264 \| good	3.559 \| good	0.13 \| good
2026-10-21T18:00:00.000Z	30 \| good	1.635 \| good	6.522 \| good	32.439 \| good	0.231 \| good	2.602 \| good	0.114 \| good
2026-10-21T19:00:00.000Z	33 \| good	3.149 \| good	14.743 \| good	36.291 \| good	0.134 \| good	2.629 \| good	0.1 \| good
2026-10-21T20:00:00.000Z	32 \| good	3.1 \| good	12.729 \| good	35.055 \| good	0.122 \| good	2.863 \| good	0.1 \| good
2026-10-21T21:00:00.000Z	31 \| good	2.473 \| good	9.572 \| good	34.369 \| good	0.135 \| good	3.2 \| good	0.116 \| good
2026-10-21T22:00:00.000Z	30 \| good	3.63 \| good	13.638 \| good	32.211 \| good	0.176 \| good	2.842 \| good	0.116 \| good
2026-10-21T23:00:00.000Z	30 \| good	3.937 \| good	13.494 \| good	32.169 \| good	0.325 \| good	3.952 \| good	0.182 \| good
2026-10-22T00:00:00.000Z	24 \| good	3.605 \| good	14.456 \| good	25.993 \| good	0.48 \| good	6.618 \| good	0.159 \| good
2026-10-22T01:00:00.000Z	22 \| good	3.558 \| good	19.38 \| good	23.604 \| good	0.517 \| good	9.975 \| good	0.214 \| good
2026-10-22T02:00:00.000Z	16 \| good	2.536 \| good	12.867 \| good	17.056 \| good	0.4 \| good	11.496 \| good	0.25 \| good
2026-10-22T03:00:00.000Z	22 \| good	3.692 \| good	15.755 \| good	12.576 \| good	0.716 \| good	12.234 \| good	0.216 \| good
2026-10-22T04:00:00.000Z	27 \| good	4.845 \| good	21.482 \| good	16.292 \| good	0.356 \| good	9.542 \| good	0.226 \| good
2026-10-22T05:00:00.000Z	22 \| good	4.337 \| good	15.074 \| good	19.011 \| good	0.344 \| good	10.193 \| good	0.298 \| good
2026-10-22T06:00:00.000Z	27 \| good	4.691 \| good	18.285 \| good	18.18 \| good	0.152 \| good	9.864 \| good	0.296 \| good
2026-10-22T07:00:00.000Z	18 \| good	3.39 \| good	18.969 \| good	17.031 \| good	0.152 \| good	7.055 \| good	0.262 \| good
2026-10-22T08:00:00.000Z	27 \| good	4.632 \| good	18.535 \| good	9.737 \| good	0.282 \| good	10.484 \| good	0.226 \| good
2026-10-22T09:00:00.000Z	22 \| good	3.602 \| good	19.846 \| good	18.917 \| good	0.502 \| good	11.369 \| good	0.212 \| good
2026-10-22T10:00:00.000Z	27 \| good	5.019 \| good	18.848 \| good	16.681 \| good	0.672 \| good	11.503 \| good	0.248 \| good
2026-10-22T11:00:00.000Z	33 \| good	5.69 \| good	19.622 \| good	12.234 \| good	0.587 \| good	14.577 \| good	0.248 \| good
2026-10-22T12:00:00.000Z	16 \| good	2.509 \| good	12.316 \| good	16.366 \| good	0.686 \| good	15.329 \| good	0.272 \| good
2026-10-22T13:00:00.000Z	27 \| good	5.482 \| good	14.432 \| good	15.261 \| good	0.686 \| good	16.828 \| good	0.236 \| good
2026-10-22T14:00:00.000Z	22 \| good	4.268 \| good	18.73 \| good	21.676 \| good	0.236 \| good	11.045 \| good	0.184 \| good
2026-10-22T15:00:00.000Z	22 \| good	3.508 \| good	18.034 \| good	23.356 \| good	0.161 \| good	7.14 \| good	0.13 \| good
2026-10-22T16:00:00.000Z	25 \| good	2.968 \| good	12.253 \| good	26.981 \| good	0.122 \| good	4.953 \| good	0.114 \| good
2026-10-22T17:00:00.000Z	29 \| good	2.683 \| good	10.352 \| good	31.179 \| good	0.135 \| good	4.249 \| good	0.1 \| good
2026-10-22T18:00:00.000Z	31 \| good	3.334 \| good	10.541 \| good	33.092 \| good	0.128 \| good	3.478 \| good	0.1 \| good
2026-10-22T19:00:00.000Z	33 \| good	1.941 \| good	7.321 \| good	36.129 \| good	0.229 \| good	3.48 \| good	0.1 \| good
2026-10-22T20:00:00.000Z	31 \| good	1.502 \| good	8.92 \| good	33.801 \| good	0.145 \| good	3.21 \| good	0.1 \| good
2026-10-22T20:00:00.000Z	31 \| good	1.502 \| good	8.92 \| good	33.801 \| good	0.145 \| good	3.21 \| good	0.1 \| good
2026-10-22T21:00:00.000Z	34 \| good	2.235 \| good	9.23 \| good	36.621 \| good	0.613 \| good	2.958 \| good	0.171 \| good
2026-10-22T22:00:00.000Z	28 \| good	1.392 \| good	5.769 \| good	30.399 \| good	0.623 \| good	6.49 \| good	0.2 \| good
2026-10-22T23:00:00.000Z	20 \| good	1.427 \| good	5.768 \| good	22.448 \| good	0.645 \| good	11.112 \| good	0.236 \| good
2026-10-23T00:00:00.000Z	22 \| good	3.697 \| good	15.963 \| good	15.33 \| good	0.659 \| good	12.621 \| good	0.242 \| good
2026-10-23T01:00:00.000Z	27 \| good	4.873 \| good	20.98 \| good	15.442 \| good	0.66 \| good	12.726 \| good	0.238 \| good
2026-10-23T02:00:00.000Z	27 \| good	5.376 \| good	23.384 \| good	16.044 \| good	0.674 \| good	11.839 \| good	0.228 \| good
2026-10-23T03:00:00.000Z	27 \| good	4.756 \| good	20.687 \| good	19.555 \| good	0.721 \| good	10.647 \| good	0.219 \| good
2026-10-23T04:00:00.000Z	27 \| good	4.896 \| good	21.274 \| good	21.546 \| good	0.794 \| good	8.808 \| good	0.211 \| good
2026-10-23T05:00:00.000Z	22 \| good	4.186 \| good	18.526 \| good	20.695 \| good	0.859 \| good	6.595 \| good	0.203 \| good
2026-10-23T06:00:00.000Z	27 \| good	4.582 \| good	20.015 \| good	22.872 \| good	0.893 \| good	4.993 \| good	0.194 \| good
2026-10-23T07:00:00.000Z	27 \| good	4.78 \| good	20.944 \| good	21.135 \| good	0.876 \| good	4.035 \| good	0.188 \| good
2026-10-23T08:00:00.000Z	22 \| good	4.133 \| good	17.991 \| good	20.15 \| good	0.83 \| good	3.502 \| good	0.184 \| good
2026-10-23T09:00:00.000Z	22 \| good	3.923 \| good	17.081 \| good	16.704 \| good	0.773 \| good	3.223 \| good	0.18 \| good
2026-10-23T10:00:00.000Z	22 \| good	4.438 \| good	19.336 \| good	14.414 \| good	0.726 \| good	3.198 \| good	0.179 \| good
2026-10-23T11:00:00.000Z	22 \| good	3.874 \| good	16.826 \| good	13.358 \| good	0.706 \| good	3.757 \| good	0.181 \| good
2026-10-23T12:00:00.000Z	16 \| good	1.928 \| good	7.791 \| good	17.199 \| good	0.715 \| good	5.202 \| good	0.193 \| good
2026-10-23T13:00:00.000Z	22 \| good	0.673 \| good	2.451 \| good	23.823 \| good	0.732 \| good	4.068 \| good	0.193 \| good
2026-10-23T14:00:00.000Z	23 \| good	1.154 \| good	4.696 \| good	25.227 \| good	0.758 \| good	3.118 \| good	0.187 \| good
2026-10-23T15:00:00.000Z	25 \| good	2.308 \| good	9.428 \| good	26.703 \| good	0.789 \| good	2.697 \| good	0.182 \| good
2026-10-23T16:00:00.000Z	28 \| good	3.032 \| good	13.072 \| good	30.367 \| good	0.811 \| good	2.466 \| good	0.177 \| good
2026-10-23T17:00:00.000Z	31 \| good	3.098 \| good	13.094 \| good	33.9 \| good	0.815 \| good	2.292 \| good	0.173 \| good
2026-10-23T18:00:00.000Z	33 \| good	3.419 \| good	14.581 \| good	36.205 \| good	0.815 \| good	2.235 \| good	0.17 \| good
2026-10-23T19:00:00.000Z	34 \| good	3.618 \| good	16.095 \| good	36.924 \| good	0.812 \| good	2.275 \| good	0.168 \| good
2026-10-23T20:00:00.000Z	34 \| good	2.669 \| good	10.748 \| good	36.755 \| good	0.814 \| good	2.507 \| good	0.167 \| good
2026-10-23T21:00:00.000Z	32 \| good	2.603 \| good	10.522 \| good	35.082 \| good	0.822 \| good	3.119 \| good	0.168 \| good
2026-10-23T22:00:00.000Z	26 \| good	1.279 \| good	5.256 \| good	28.299 \| good	0.836 \| good	7.655 \| good	0.203 \| good
2026-10-23T23:00:00.000Z	21 \| good	2.09 \| good	8.624 \| good	23.488 \| good	0.886 \| good	15.823 \| good	0.267 \| good
2026-10-24T00:00:00.000Z	22 \| good	3.945 \| good	17.05 \| good	18.521 \| good	0.923 \| good	18.325 \| good	0.279 \| good
2026-10-24T01:00:00.000Z	19 \| good	3.404 \| good	14.649 \| good	20.663 \| good	0.922 \| good	17.975 \| good	0.262 \| good
2026-10-24T02:00:00.000Z	20 \| good	2.016 \| good	8.165 \| good	21.853 \| good	0.9 \| good	17.636 \| good	0.251 \| good
2026-10-24T03:00:00.000Z	20 \| good	1.7 \| good	7.03 \| good	21.708 \| good	0.874 \| good	17.677 \| good	0.245 \| good
2026-10-24T04:00:00.000Z	19 \| good	1.269 \| good	5.034 \| good	21.44 \| good	0.836 \| good	17.438 \| good	0.244 \| good
2026-10-24T05:00:00.000Z	19 \| good	1.095 \| good	4.565 \| good	21.262 \| good	0.782 \| good	16.203 \| good	0.238 \| good
2026-10-24T06:00:00.000Z	21 \| good	0.636 \| good	2.234 \| good	22.562 \| good	0.756 \| good	15.507 \| good	0.232 \| good
2026-10-24T07:00:00.000Z	19 \| good	0.588 \| good	1.897 \| good	20.445 \| good	0.753 \| good	15.448 \| good	0.228 \| good
2026-10-24T08:00:00.000Z	16 \| good	0.894 \| good	3.287 \| good	17.089 \| good	0.759 \| good	15.953 \| good	0.229 \| good
2026-10-24T09:00:00.000Z	16 \| good	0.963 \| good	3.801 \| good	12.162 \| good	0.773 \| good	16.768 \| good	0.233 \| good
2026-10-24T10:00:00.000Z	17 \| good	0.998 \| good	3.945 \| good	11.045 \| good	0.764 \| good	17.613 \| good	0.244 \| good
2026-10-24T11:00:00.000Z	17 \| good	1.204 \| good	4.796 \| good	9.649 \| good	0.756 \| good	18.351 \| good	0.265 \| good
2026-10-24T12:00:00.000Z	17 \| good	1.672 \| good	6.791 \| good	12.46 \| good	0.805 \| good	17.651 \| good	0.311 \| good
2026-10-24T13:00:00.000Z	19 \| good	1.422 \| good	5.934 \| good	20.01 \| good	0.843 \| good	13.939 \| good	0.337 \| good
2026-10-24T14:00:00.000Z	27 \| good	1.232 \| good	4.978 \| good	28.713 \| good	1.092 \| good	10.103 \| good	0.25 \| good
2026-10-24T15:00:00.000Z	31 \| good	1.595 \| good	6.642 \| good	33.49 \| good	1.118 \| good	4.899 \| good	0.184 \| good
2026-10-24T16:00:00.000Z	35 \| good	0.917 \| good	3.763 \| good	38.301 \| good	1.024 \| good	3.747 \| good	0.174 \| good
2026-10-24T17:00:00.000Z	38 \| good	0.742 \| good	2.763 \| good	40.598 \| good	0.966 \| good	3.295 \| good	0.171 \| good
2026-10-24T18:00:00.000Z	38 \| good	0.777 \| good	2.929 \| good	41.254 \| good	0.926 \| good	3.07 \| good	0.169 \| good
2026-10-24T19:00:00.000Z	38 \| good	0.861 \| good	3.254 \| good	41.336 \| good	0.895 \| good	2.991 \| good	0.168 \| good
2026-10-24T20:00:00.000Z	36 \| good	0.636 \| good	2.432 \| good	39.102 \| good	0.879 \| good	3.138 \| good	0.168 \| good

Crofton, Maryland live air quality index now

Major air pollutants in Crofton, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Crofton, Maryland air quality forecast and history

Get reliable air quality data to drive your business

Crofton, Maryland air quality map: Track AQI near you

Air quality in nearby cities

Bowie, Maryland

Odenton, Maryland

Glenn Dale, Maryland

Fort Meade, Maryland

Parole, Maryland

Mitchellville, Maryland

How accurate is Maryland, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What is the current air quality in Crofton, Maryland?

What pollutant is the most common in Crofton, Maryland?

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

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

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

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

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

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

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

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

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

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

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