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

The current PM10 concentration at Crofton, Maryland is 64.136 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Crofton, Maryland is 0.893 ppb.

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

The current ozone (O3) concentration at Crofton, Maryland is 3.662 ppm.

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

The current nitrogen dioxide (NO2) concentration at Crofton, Maryland is 15.318 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 17.443 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)

Moderate

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)

17.44 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

64.14 μg/m³

155

255

425

605+

Ozone (O₃)

3.66 ppb

201

201+

Sulfur Dioxide (SO₂)

0.89 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.32 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.45 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-12-05T15:00:00.000Z	33 \| good	5.671 \| good	22.89 \| good	30.221 \| good	0.222 \| good	10.983 \| good	0.178 \| good
2025-12-05T16:00:00.000Z	28 \| good	4.556 \| good	15.477 \| good	29.521 \| good	0.171 \| good	10.589 \| good	0.192 \| good
2025-12-05T17:00:00.000Z	27 \| good	5.447 \| good	25.671 \| good	27.522 \| good	0.19 \| good	10.294 \| good	0.178 \| good
2025-12-05T18:00:00.000Z	27 \| good	4.167 \| good	10.038 \| good	29.483 \| good	0.429 \| good	9.266 \| good	0.178 \| good
2025-12-05T19:00:00.000Z	33 \| good	6.058 \| good	23.782 \| good	29.158 \| good	0.134 \| good	11.987 \| good	0.202 \| good
2025-12-05T20:00:00.000Z	38 \| good	6.539 \| good	30.978 \| good	26.729 \| good	0.289 \| good	15.383 \| good	0.247 \| good
2025-12-05T21:00:00.000Z	38 \| good	7.41 \| good	36.162 \| good	25.196 \| good	0.275 \| good	19.888 \| good	0.233 \| good
2025-12-05T22:00:00.000Z	52 \| moderate	9.889 \| good	44.394 \| good	21.742 \| good	0.131 \| good	17.897 \| good	0.233 \| good
2025-12-05T23:00:00.000Z	54 \| moderate	10.661 \| good	36.727 \| good	19.572 \| good	0.135 \| good	20.261 \| good	0.256 \| good
2025-12-06T00:00:00.000Z	52 \| moderate	9.599 \| good	25.907 \| good	14.481 \| good	0.226 \| good	20.579 \| good	0.264 \| good
2025-12-06T01:00:00.000Z	52 \| moderate	10.239 \| good	25.03 \| good	12.685 \| good	0.13 \| good	22.963 \| good	0.24 \| good
2025-12-06T02:00:00.000Z	52 \| moderate	10.152 \| good	31.834 \| good	11.326 \| good	0.253 \| good	20.293 \| good	0.24 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	11.429 \| good	49.006 \| good	11.597 \| good	0.204 \| good	14.653 \| good	0.24 \| good
2025-12-06T04:00:00.000Z	58 \| moderate	12.687 \| fine	47.433 \| good	12.534 \| good	0.187 \| good	11.975 \| good	0.194 \| good
2025-12-06T05:00:00.000Z	58 \| moderate	13.3 \| fine	36.58 \| good	13.466 \| good	0.233 \| good	9.73 \| good	0.231 \| good
2025-12-06T06:00:00.000Z	58 \| moderate	13.385 \| fine	44.104 \| good	14.912 \| good	0.206 \| good	9.233 \| good	0.178 \| good
2025-12-06T07:00:00.000Z	58 \| moderate	12.955 \| fine	57.206 \| fine	14.009 \| good	0.215 \| good	10.215 \| good	0.178 \| good
2025-12-06T08:00:00.000Z	60 \| moderate	14.226 \| fine	52.629 \| good	14.426 \| good	0.185 \| good	12.431 \| good	0.24 \| good
2025-12-06T09:00:00.000Z	60 \| moderate	14.211 \| fine	54.722 \| good	14.64 \| good	0.193 \| good	13.123 \| good	0.194 \| good
2025-12-06T10:00:00.000Z	62 \| moderate	15.225 \| fine	40.579 \| good	15.282 \| good	0.248 \| good	10.649 \| good	0.194 \| good
2025-12-06T11:00:00.000Z	60 \| moderate	13.858 \| fine	61.238 \| fine	14.002 \| good	0.254 \| good	9.234 \| good	0.201 \| good
2025-12-06T12:00:00.000Z	62 \| moderate	15.317 \| fine	70.852 \| fine	12.932 \| good	0.133 \| good	9.757 \| good	0.211 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	13.515 \| fine	52.951 \| good	12.275 \| good	0.136 \| good	10.77 \| good	0.225 \| good
2025-12-06T14:00:00.000Z	62 \| moderate	15.362 \| fine	67.065 \| fine	11.121 \| good	0.145 \| good	17.187 \| good	0.311 \| good
2025-12-06T15:00:00.000Z	69 \| moderate	18.524 \| fine	56.416 \| fine	11.734 \| good	0.15 \| good	18.311 \| good	0.316 \| good
2025-12-06T16:00:00.000Z	67 \| moderate	18.049 \| fine	73.625 \| fine	12.745 \| good	0.252 \| good	17.62 \| good	0.278 \| good
2025-12-06T17:00:00.000Z	64 \| moderate	15.918 \| fine	65.118 \| fine	14.689 \| good	0.261 \| good	13.203 \| good	0.278 \| good
2025-12-06T18:00:00.000Z	62 \| moderate	14.884 \| fine	45.939 \| good	15.297 \| good	0.268 \| good	9.812 \| good	0.203 \| good
2025-12-06T19:00:00.000Z	56 \| moderate	12.253 \| fine	41.096 \| good	16.589 \| good	0.202 \| good	9.076 \| good	0.163 \| good
2025-12-06T20:00:00.000Z	49 \| good	8.612 \| good	44.502 \| good	19.051 \| good	0.181 \| good	7.028 \| good	0.154 \| good
2025-12-06T21:00:00.000Z	38 \| good	6.511 \| good	35.625 \| good	20.31 \| good	0.161 \| good	6.649 \| good	0.14 \| good
2025-12-06T22:00:00.000Z	38 \| good	6.809 \| good	26.194 \| good	22.786 \| good	0.231 \| good	6.432 \| good	0.149 \| good
2025-12-06T23:00:00.000Z	49 \| good	9.353 \| good	28.802 \| good	24.094 \| good	0.204 \| good	7.56 \| good	0.139 \| good
2025-12-07T00:00:00.000Z	44 \| good	8.159 \| good	38.248 \| good	24.245 \| good	0.198 \| good	11.759 \| good	0.252 \| good
2025-12-07T01:00:00.000Z	53 \| moderate	9.078 \| good	58.732 \| fine	23.753 \| good	0.249 \| good	14.667 \| good	0.294 \| good
2025-12-07T02:00:00.000Z	52 \| moderate	9.721 \| good	38.44 \| good	17.239 \| good	0.334 \| good	17.227 \| good	0.376 \| good
2025-12-07T03:00:00.000Z	66 \| moderate	16.91 \| fine	77.316 \| fine	12.791 \| good	0.186 \| good	17.619 \| good	0.363 \| good
2025-12-07T04:00:00.000Z	69 \| moderate	19.401 \| fine	78.022 \| fine	10.279 \| good	0.331 \| good	17.07 \| good	0.416 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	15.69 \| fine	79.454 \| fine	5.826 \| good	0.388 \| good	16.544 \| good	0.43 \| good
2025-12-07T06:00:00.000Z	73 \| moderate	21.025 \| fine	94.463 \| fine	3.203 \| good	0.411 \| good	16.2 \| good	0.423 \| good
2025-12-07T07:00:00.000Z	70 \| moderate	17.932 \| fine	93.428 \| fine	3.108 \| good	0.414 \| good	15.152 \| good	0.394 \| good
2025-12-07T08:00:00.000Z	69 \| moderate	18.953 \| fine	73.132 \| fine	2.05 \| good	0.394 \| good	12.223 \| good	0.447 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	15.916 \| fine	60.881 \| fine	1.994 \| good	0.431 \| good	11.802 \| good	0.432 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	17.349 \| fine	54.039 \| good	1.768 \| good	0.445 \| good	12.498 \| good	0.411 \| good
2025-12-07T11:00:00.000Z	58 \| moderate	12.702 \| fine	56.364 \| fine	10.154 \| good	0.58 \| good	14.038 \| good	0.493 \| good
2025-12-07T12:00:00.000Z	64 \| moderate	15.521 \| fine	75.255 \| fine	3.024 \| good	0.824 \| good	13.672 \| good	0.495 \| good
2025-12-07T13:00:00.000Z	66 \| moderate	16.051 \| fine	85.813 \| fine	1.945 \| good	0.817 \| good	13.471 \| good	0.486 \| good
2025-12-07T14:00:00.000Z	66 \| moderate	17 \| fine	71.04 \| fine	3.152 \| good	0.801 \| good	15.039 \| good	0.464 \| good
2025-12-07T14:00:00.000Z	66 \| moderate	17.443 \| fine	64.136 \| fine	3.662 \| good	0.893 \| good	15.318 \| good	0.45 \| good
2025-12-07T15:00:00.000Z	62 \| moderate	14.995 \| fine	66.903 \| fine	19 \| good	6.076 \| good	12.171 \| good	0.283 \| good
2025-12-07T16:00:00.000Z	60 \| moderate	13.69 \| fine	61.213 \| fine	25.494 \| good	6.102 \| good	10.634 \| good	0.257 \| good
2025-12-07T17:00:00.000Z	56 \| moderate	11.561 \| good	51.229 \| good	29.053 \| good	6.127 \| good	9.096 \| good	0.231 \| good
2025-12-07T18:00:00.000Z	54 \| moderate	11.401 \| good	50.69 \| good	31.553 \| good	6.152 \| good	7.559 \| good	0.205 \| good
2025-12-07T19:00:00.000Z	52 \| moderate	10.4 \| good	46.012 \| good	31.893 \| good	6.001 \| good	9.242 \| good	0.214 \| good
2025-12-07T20:00:00.000Z	49 \| good	8.862 \| good	39.225 \| good	32.093 \| good	5.849 \| good	10.924 \| good	0.223 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.046 \| good	48.601 \| good	28.984 \| good	5.697 \| good	12.607 \| good	0.232 \| good
2025-12-07T22:00:00.000Z	58 \| moderate	13.398 \| fine	59.802 \| fine	20.917 \| good	5.693 \| good	18.049 \| good	0.325 \| good
2025-12-07T23:00:00.000Z	66 \| moderate	17.005 \| fine	75.57 \| fine	12.559 \| good	5.688 \| good	23.49 \| good	0.418 \| good
2025-12-08T00:00:00.000Z	75 \| moderate	22.197 \| fine	97.538 \| fine	8.536 \| good	5.683 \| good	28.931 \| good	0.51 \| good
2025-12-08T01:00:00.000Z	81 \| moderate	25.117 \| fine	109.518 \| fine	4.44 \| good	5.887 \| good	29.316 \| good	0.55 \| good
2025-12-08T02:00:00.000Z	82 \| moderate	26.437 \| fine	114.49 \| fine	2.175 \| good	6.091 \| good	29.7 \| good	0.59 \| good
2025-12-08T03:00:00.000Z	82 \| moderate	26.305 \| fine	114.018 \| fine	6.515 \| good	6.295 \| good	30.084 \| good	0.63 \| good
2025-12-08T04:00:00.000Z	75 \| moderate	21.703 \| fine	95.512 \| fine	12.505 \| good	5.776 \| good	28.508 \| good	0.536 \| good
2025-12-08T05:00:00.000Z	64 \| moderate	15.563 \| fine	69.179 \| fine	16.92 \| good	5.258 \| good	26.933 \| good	0.443 \| good
2025-12-08T06:00:00.000Z	54 \| moderate	11.111 \| good	49.096 \| good	21.655 \| good	4.739 \| good	25.357 \| good	0.349 \| good
2025-12-08T07:00:00.000Z	44 \| good	7.742 \| good	33.997 \| good	23.732 \| good	4.393 \| good	19.122 \| good	0.302 \| good
2025-12-08T08:00:00.000Z	23 \| good	3.531 \| good	15.547 \| good	24.982 \| good	4.048 \| good	12.888 \| good	0.255 \| good
2025-12-08T09:00:00.000Z	24 \| good	2.602 \| good	10.76 \| good	25.98 \| good	3.702 \| good	6.654 \| good	0.208 \| good
2025-12-08T10:00:00.000Z	25 \| good	0.94 \| good	3.759 \| good	26.956 \| good	3.033 \| good	6.306 \| good	0.198 \| good
2025-12-08T11:00:00.000Z	23 \| good	0.741 \| good	2.916 \| good	25.201 \| good	2.365 \| good	5.957 \| good	0.187 \| good
2025-12-08T12:00:00.000Z	21 \| good	0.749 \| good	2.97 \| good	22.814 \| good	1.697 \| good	5.609 \| good	0.176 \| good
2025-12-08T13:00:00.000Z	23 \| good	1.498 \| good	5.898 \| good	25.022 \| good	1.771 \| good	5.152 \| good	0.173 \| good
2025-12-08T14:00:00.000Z	25 \| good	1.317 \| good	5.079 \| good	26.719 \| good	1.845 \| good	4.696 \| good	0.171 \| good
2025-12-08T15:00:00.000Z	26 \| good	0.636 \| good	2.089 \| good	28.285 \| good	1.919 \| good	4.24 \| good	0.168 \| good
2025-12-08T16:00:00.000Z	27 \| good	1.133 \| good	4.631 \| good	28.827 \| good	1.905 \| good	3.966 \| good	0.167 \| good
2025-12-08T17:00:00.000Z	25 \| good	0.634 \| good	2.15 \| good	27.352 \| good	1.892 \| good	3.691 \| good	0.165 \| good
2025-12-08T18:00:00.000Z	26 \| good	0.62 \| good	2.127 \| good	27.592 \| good	1.878 \| good	3.417 \| good	0.164 \| good
2025-12-08T19:00:00.000Z	25 \| good	0.484 \| good	1.917 \| good	26.579 \| good	1.94 \| good	4.089 \| good	0.165 \| good
2025-12-08T20:00:00.000Z	25 \| good	0.29 \| good	0.939 \| good	27.252 \| good	2.002 \| good	4.762 \| good	0.166 \| good
2025-12-08T21:00:00.000Z	24 \| good	0.423 \| good	1.917 \| good	26.437 \| good	2.064 \| good	5.434 \| good	0.166 \| good
2025-12-08T22:00:00.000Z	21 \| good	0.211 \| good	0.844 \| good	22.89 \| good	2.114 \| good	7.518 \| good	0.179 \| good
2025-12-08T23:00:00.000Z	21 \| good	0.591 \| good	2.045 \| good	22.532 \| good	2.164 \| good	9.601 \| good	0.191 \| good
2025-12-09T00:00:00.000Z	19 \| good	2.601 \| good	10.346 \| good	19.947 \| good	2.214 \| good	11.685 \| good	0.203 \| good
2025-12-09T01:00:00.000Z	22 \| good	3.593 \| good	15.921 \| good	17.997 \| good	2.229 \| good	11.648 \| good	0.202 \| good
2025-12-09T02:00:00.000Z	22 \| good	4.03 \| good	17.85 \| good	16.56 \| good	2.244 \| good	11.612 \| good	0.2 \| good
2025-12-09T03:00:00.000Z	27 \| good	5.221 \| good	22.826 \| good	16.071 \| good	2.259 \| good	11.575 \| good	0.199 \| good
2025-12-09T04:00:00.000Z	33 \| good	6.317 \| good	28.159 \| good	15.518 \| good	2.164 \| good	11.105 \| good	0.198 \| good
2025-12-09T05:00:00.000Z	38 \| good	6.51 \| good	29.103 \| good	12.708 \| good	2.069 \| good	10.635 \| good	0.198 \| good
2025-12-09T06:00:00.000Z	33 \| good	5.804 \| good	25.022 \| good	11.253 \| good	1.974 \| good	10.165 \| good	0.197 \| good
2025-12-09T07:00:00.000Z	33 \| good	6.192 \| good	27.691 \| good	10.448 \| good	1.957 \| good	10.09 \| good	0.197 \| good
2025-12-09T08:00:00.000Z	33 \| good	5.771 \| good	24.916 \| good	8.383 \| good	1.94 \| good	10.015 \| good	0.197 \| good
2025-12-09T09:00:00.000Z	33 \| good	6.241 \| good	27.696 \| good	7.659 \| good	1.923 \| good	9.94 \| good	0.197 \| good
2025-12-09T10:00:00.000Z	33 \| good	5.773 \| good	24.845 \| good	7.78 \| good	2.088 \| good	13.194 \| good	0.217 \| good
2025-12-09T11:00:00.000Z	38 \| good	7.451 \| good	32.878 \| good	4.626 \| good	2.253 \| good	16.449 \| good	0.237 \| good
2025-12-09T12:00:00.000Z	49 \| good	8.867 \| good	38.904 \| good	2.658 \| good	2.418 \| good	19.703 \| good	0.256 \| good
2025-12-09T13:00:00.000Z	49 \| good	9.366 \| good	41.832 \| good	8.028 \| good	2.715 \| good	17.089 \| good	0.243 \| good
2025-12-09T14:00:00.000Z	49 \| good	8.903 \| good	39.129 \| good	15.484 \| good	3.012 \| good	14.474 \| good	0.229 \| good

Crofton

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Crofton, Maryland air quality map: Track AQI near you

0.46ppm

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 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 06:00:00 on 2025-12-07.

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 10:00:00 on 2025-12-06.

What is the current air quality in Crofton, Maryland?

The current air quality in Crofton, Maryland is 66, categorized as Moderate based on real-time data.

What pollutant is the most common in Crofton, Maryland?

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

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 17.443 μg/m³.

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

The current PM₁₀ concentration at Crofton, Maryland is 64.136 μg/m³.

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

The current carbon monoxide (CO) concentration at Crofton, Maryland is 0.45 ppm.

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

The current sulfur dioxide (SO₂) concentration at Crofton, Maryland is 0.893 ppb.

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

The current ozone (O₃) concentration at Crofton, Maryland is 3.662 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Crofton, Maryland is 15.318 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T15:00:00.000Z	33 \| good	5.671 \| good	22.89 \| good	30.221 \| good	0.222 \| good	10.983 \| good	0.178 \| good
2025-12-05T16:00:00.000Z	28 \| good	4.556 \| good	15.477 \| good	29.521 \| good	0.171 \| good	10.589 \| good	0.192 \| good
2025-12-05T17:00:00.000Z	27 \| good	5.447 \| good	25.671 \| good	27.522 \| good	0.19 \| good	10.294 \| good	0.178 \| good
2025-12-05T18:00:00.000Z	27 \| good	4.167 \| good	10.038 \| good	29.483 \| good	0.429 \| good	9.266 \| good	0.178 \| good
2025-12-05T19:00:00.000Z	33 \| good	6.058 \| good	23.782 \| good	29.158 \| good	0.134 \| good	11.987 \| good	0.202 \| good
2025-12-05T20:00:00.000Z	38 \| good	6.539 \| good	30.978 \| good	26.729 \| good	0.289 \| good	15.383 \| good	0.247 \| good
2025-12-05T21:00:00.000Z	38 \| good	7.41 \| good	36.162 \| good	25.196 \| good	0.275 \| good	19.888 \| good	0.233 \| good
2025-12-05T22:00:00.000Z	52 \| moderate	9.889 \| good	44.394 \| good	21.742 \| good	0.131 \| good	17.897 \| good	0.233 \| good
2025-12-05T23:00:00.000Z	54 \| moderate	10.661 \| good	36.727 \| good	19.572 \| good	0.135 \| good	20.261 \| good	0.256 \| good
2025-12-06T00:00:00.000Z	52 \| moderate	9.599 \| good	25.907 \| good	14.481 \| good	0.226 \| good	20.579 \| good	0.264 \| good
2025-12-06T01:00:00.000Z	52 \| moderate	10.239 \| good	25.03 \| good	12.685 \| good	0.13 \| good	22.963 \| good	0.24 \| good
2025-12-06T02:00:00.000Z	52 \| moderate	10.152 \| good	31.834 \| good	11.326 \| good	0.253 \| good	20.293 \| good	0.24 \| good
2025-12-06T03:00:00.000Z	54 \| moderate	11.429 \| good	49.006 \| good	11.597 \| good	0.204 \| good	14.653 \| good	0.24 \| good
2025-12-06T04:00:00.000Z	58 \| moderate	12.687 \| fine	47.433 \| good	12.534 \| good	0.187 \| good	11.975 \| good	0.194 \| good
2025-12-06T05:00:00.000Z	58 \| moderate	13.3 \| fine	36.58 \| good	13.466 \| good	0.233 \| good	9.73 \| good	0.231 \| good
2025-12-06T06:00:00.000Z	58 \| moderate	13.385 \| fine	44.104 \| good	14.912 \| good	0.206 \| good	9.233 \| good	0.178 \| good
2025-12-06T07:00:00.000Z	58 \| moderate	12.955 \| fine	57.206 \| fine	14.009 \| good	0.215 \| good	10.215 \| good	0.178 \| good
2025-12-06T08:00:00.000Z	60 \| moderate	14.226 \| fine	52.629 \| good	14.426 \| good	0.185 \| good	12.431 \| good	0.24 \| good
2025-12-06T09:00:00.000Z	60 \| moderate	14.211 \| fine	54.722 \| good	14.64 \| good	0.193 \| good	13.123 \| good	0.194 \| good
2025-12-06T10:00:00.000Z	62 \| moderate	15.225 \| fine	40.579 \| good	15.282 \| good	0.248 \| good	10.649 \| good	0.194 \| good
2025-12-06T11:00:00.000Z	60 \| moderate	13.858 \| fine	61.238 \| fine	14.002 \| good	0.254 \| good	9.234 \| good	0.201 \| good
2025-12-06T12:00:00.000Z	62 \| moderate	15.317 \| fine	70.852 \| fine	12.932 \| good	0.133 \| good	9.757 \| good	0.211 \| good
2025-12-06T13:00:00.000Z	60 \| moderate	13.515 \| fine	52.951 \| good	12.275 \| good	0.136 \| good	10.77 \| good	0.225 \| good
2025-12-06T14:00:00.000Z	62 \| moderate	15.362 \| fine	67.065 \| fine	11.121 \| good	0.145 \| good	17.187 \| good	0.311 \| good
2025-12-06T15:00:00.000Z	69 \| moderate	18.524 \| fine	56.416 \| fine	11.734 \| good	0.15 \| good	18.311 \| good	0.316 \| good
2025-12-06T16:00:00.000Z	67 \| moderate	18.049 \| fine	73.625 \| fine	12.745 \| good	0.252 \| good	17.62 \| good	0.278 \| good
2025-12-06T17:00:00.000Z	64 \| moderate	15.918 \| fine	65.118 \| fine	14.689 \| good	0.261 \| good	13.203 \| good	0.278 \| good
2025-12-06T18:00:00.000Z	62 \| moderate	14.884 \| fine	45.939 \| good	15.297 \| good	0.268 \| good	9.812 \| good	0.203 \| good
2025-12-06T19:00:00.000Z	56 \| moderate	12.253 \| fine	41.096 \| good	16.589 \| good	0.202 \| good	9.076 \| good	0.163 \| good
2025-12-06T20:00:00.000Z	49 \| good	8.612 \| good	44.502 \| good	19.051 \| good	0.181 \| good	7.028 \| good	0.154 \| good
2025-12-06T21:00:00.000Z	38 \| good	6.511 \| good	35.625 \| good	20.31 \| good	0.161 \| good	6.649 \| good	0.14 \| good
2025-12-06T22:00:00.000Z	38 \| good	6.809 \| good	26.194 \| good	22.786 \| good	0.231 \| good	6.432 \| good	0.149 \| good
2025-12-06T23:00:00.000Z	49 \| good	9.353 \| good	28.802 \| good	24.094 \| good	0.204 \| good	7.56 \| good	0.139 \| good
2025-12-07T00:00:00.000Z	44 \| good	8.159 \| good	38.248 \| good	24.245 \| good	0.198 \| good	11.759 \| good	0.252 \| good
2025-12-07T01:00:00.000Z	53 \| moderate	9.078 \| good	58.732 \| fine	23.753 \| good	0.249 \| good	14.667 \| good	0.294 \| good
2025-12-07T02:00:00.000Z	52 \| moderate	9.721 \| good	38.44 \| good	17.239 \| good	0.334 \| good	17.227 \| good	0.376 \| good
2025-12-07T03:00:00.000Z	66 \| moderate	16.91 \| fine	77.316 \| fine	12.791 \| good	0.186 \| good	17.619 \| good	0.363 \| good
2025-12-07T04:00:00.000Z	69 \| moderate	19.401 \| fine	78.022 \| fine	10.279 \| good	0.331 \| good	17.07 \| good	0.416 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	15.69 \| fine	79.454 \| fine	5.826 \| good	0.388 \| good	16.544 \| good	0.43 \| good
2025-12-07T06:00:00.000Z	73 \| moderate	21.025 \| fine	94.463 \| fine	3.203 \| good	0.411 \| good	16.2 \| good	0.423 \| good
2025-12-07T07:00:00.000Z	70 \| moderate	17.932 \| fine	93.428 \| fine	3.108 \| good	0.414 \| good	15.152 \| good	0.394 \| good
2025-12-07T08:00:00.000Z	69 \| moderate	18.953 \| fine	73.132 \| fine	2.05 \| good	0.394 \| good	12.223 \| good	0.447 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	15.916 \| fine	60.881 \| fine	1.994 \| good	0.431 \| good	11.802 \| good	0.432 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	17.349 \| fine	54.039 \| good	1.768 \| good	0.445 \| good	12.498 \| good	0.411 \| good
2025-12-07T11:00:00.000Z	58 \| moderate	12.702 \| fine	56.364 \| fine	10.154 \| good	0.58 \| good	14.038 \| good	0.493 \| good
2025-12-07T12:00:00.000Z	64 \| moderate	15.521 \| fine	75.255 \| fine	3.024 \| good	0.824 \| good	13.672 \| good	0.495 \| good
2025-12-07T13:00:00.000Z	66 \| moderate	16.051 \| fine	85.813 \| fine	1.945 \| good	0.817 \| good	13.471 \| good	0.486 \| good
2025-12-07T14:00:00.000Z	66 \| moderate	17 \| fine	71.04 \| fine	3.152 \| good	0.801 \| good	15.039 \| good	0.464 \| good
2025-12-07T14:00:00.000Z	66 \| moderate	17.443 \| fine	64.136 \| fine	3.662 \| good	0.893 \| good	15.318 \| good	0.45 \| good
2025-12-07T15:00:00.000Z	62 \| moderate	14.995 \| fine	66.903 \| fine	19 \| good	6.076 \| good	12.171 \| good	0.283 \| good
2025-12-07T16:00:00.000Z	60 \| moderate	13.69 \| fine	61.213 \| fine	25.494 \| good	6.102 \| good	10.634 \| good	0.257 \| good
2025-12-07T17:00:00.000Z	56 \| moderate	11.561 \| good	51.229 \| good	29.053 \| good	6.127 \| good	9.096 \| good	0.231 \| good
2025-12-07T18:00:00.000Z	54 \| moderate	11.401 \| good	50.69 \| good	31.553 \| good	6.152 \| good	7.559 \| good	0.205 \| good
2025-12-07T19:00:00.000Z	52 \| moderate	10.4 \| good	46.012 \| good	31.893 \| good	6.001 \| good	9.242 \| good	0.214 \| good
2025-12-07T20:00:00.000Z	49 \| good	8.862 \| good	39.225 \| good	32.093 \| good	5.849 \| good	10.924 \| good	0.223 \| good
2025-12-07T21:00:00.000Z	54 \| moderate	11.046 \| good	48.601 \| good	28.984 \| good	5.697 \| good	12.607 \| good	0.232 \| good
2025-12-07T22:00:00.000Z	58 \| moderate	13.398 \| fine	59.802 \| fine	20.917 \| good	5.693 \| good	18.049 \| good	0.325 \| good
2025-12-07T23:00:00.000Z	66 \| moderate	17.005 \| fine	75.57 \| fine	12.559 \| good	5.688 \| good	23.49 \| good	0.418 \| good
2025-12-08T00:00:00.000Z	75 \| moderate	22.197 \| fine	97.538 \| fine	8.536 \| good	5.683 \| good	28.931 \| good	0.51 \| good
2025-12-08T01:00:00.000Z	81 \| moderate	25.117 \| fine	109.518 \| fine	4.44 \| good	5.887 \| good	29.316 \| good	0.55 \| good
2025-12-08T02:00:00.000Z	82 \| moderate	26.437 \| fine	114.49 \| fine	2.175 \| good	6.091 \| good	29.7 \| good	0.59 \| good
2025-12-08T03:00:00.000Z	82 \| moderate	26.305 \| fine	114.018 \| fine	6.515 \| good	6.295 \| good	30.084 \| good	0.63 \| good
2025-12-08T04:00:00.000Z	75 \| moderate	21.703 \| fine	95.512 \| fine	12.505 \| good	5.776 \| good	28.508 \| good	0.536 \| good
2025-12-08T05:00:00.000Z	64 \| moderate	15.563 \| fine	69.179 \| fine	16.92 \| good	5.258 \| good	26.933 \| good	0.443 \| good
2025-12-08T06:00:00.000Z	54 \| moderate	11.111 \| good	49.096 \| good	21.655 \| good	4.739 \| good	25.357 \| good	0.349 \| good
2025-12-08T07:00:00.000Z	44 \| good	7.742 \| good	33.997 \| good	23.732 \| good	4.393 \| good	19.122 \| good	0.302 \| good
2025-12-08T08:00:00.000Z	23 \| good	3.531 \| good	15.547 \| good	24.982 \| good	4.048 \| good	12.888 \| good	0.255 \| good
2025-12-08T09:00:00.000Z	24 \| good	2.602 \| good	10.76 \| good	25.98 \| good	3.702 \| good	6.654 \| good	0.208 \| good
2025-12-08T10:00:00.000Z	25 \| good	0.94 \| good	3.759 \| good	26.956 \| good	3.033 \| good	6.306 \| good	0.198 \| good
2025-12-08T11:00:00.000Z	23 \| good	0.741 \| good	2.916 \| good	25.201 \| good	2.365 \| good	5.957 \| good	0.187 \| good
2025-12-08T12:00:00.000Z	21 \| good	0.749 \| good	2.97 \| good	22.814 \| good	1.697 \| good	5.609 \| good	0.176 \| good
2025-12-08T13:00:00.000Z	23 \| good	1.498 \| good	5.898 \| good	25.022 \| good	1.771 \| good	5.152 \| good	0.173 \| good
2025-12-08T14:00:00.000Z	25 \| good	1.317 \| good	5.079 \| good	26.719 \| good	1.845 \| good	4.696 \| good	0.171 \| good
2025-12-08T15:00:00.000Z	26 \| good	0.636 \| good	2.089 \| good	28.285 \| good	1.919 \| good	4.24 \| good	0.168 \| good
2025-12-08T16:00:00.000Z	27 \| good	1.133 \| good	4.631 \| good	28.827 \| good	1.905 \| good	3.966 \| good	0.167 \| good
2025-12-08T17:00:00.000Z	25 \| good	0.634 \| good	2.15 \| good	27.352 \| good	1.892 \| good	3.691 \| good	0.165 \| good
2025-12-08T18:00:00.000Z	26 \| good	0.62 \| good	2.127 \| good	27.592 \| good	1.878 \| good	3.417 \| good	0.164 \| good
2025-12-08T19:00:00.000Z	25 \| good	0.484 \| good	1.917 \| good	26.579 \| good	1.94 \| good	4.089 \| good	0.165 \| good
2025-12-08T20:00:00.000Z	25 \| good	0.29 \| good	0.939 \| good	27.252 \| good	2.002 \| good	4.762 \| good	0.166 \| good
2025-12-08T21:00:00.000Z	24 \| good	0.423 \| good	1.917 \| good	26.437 \| good	2.064 \| good	5.434 \| good	0.166 \| good
2025-12-08T22:00:00.000Z	21 \| good	0.211 \| good	0.844 \| good	22.89 \| good	2.114 \| good	7.518 \| good	0.179 \| good
2025-12-08T23:00:00.000Z	21 \| good	0.591 \| good	2.045 \| good	22.532 \| good	2.164 \| good	9.601 \| good	0.191 \| good
2025-12-09T00:00:00.000Z	19 \| good	2.601 \| good	10.346 \| good	19.947 \| good	2.214 \| good	11.685 \| good	0.203 \| good
2025-12-09T01:00:00.000Z	22 \| good	3.593 \| good	15.921 \| good	17.997 \| good	2.229 \| good	11.648 \| good	0.202 \| good
2025-12-09T02:00:00.000Z	22 \| good	4.03 \| good	17.85 \| good	16.56 \| good	2.244 \| good	11.612 \| good	0.2 \| good
2025-12-09T03:00:00.000Z	27 \| good	5.221 \| good	22.826 \| good	16.071 \| good	2.259 \| good	11.575 \| good	0.199 \| good
2025-12-09T04:00:00.000Z	33 \| good	6.317 \| good	28.159 \| good	15.518 \| good	2.164 \| good	11.105 \| good	0.198 \| good
2025-12-09T05:00:00.000Z	38 \| good	6.51 \| good	29.103 \| good	12.708 \| good	2.069 \| good	10.635 \| good	0.198 \| good
2025-12-09T06:00:00.000Z	33 \| good	5.804 \| good	25.022 \| good	11.253 \| good	1.974 \| good	10.165 \| good	0.197 \| good
2025-12-09T07:00:00.000Z	33 \| good	6.192 \| good	27.691 \| good	10.448 \| good	1.957 \| good	10.09 \| good	0.197 \| good
2025-12-09T08:00:00.000Z	33 \| good	5.771 \| good	24.916 \| good	8.383 \| good	1.94 \| good	10.015 \| good	0.197 \| good
2025-12-09T09:00:00.000Z	33 \| good	6.241 \| good	27.696 \| good	7.659 \| good	1.923 \| good	9.94 \| good	0.197 \| good
2025-12-09T10:00:00.000Z	33 \| good	5.773 \| good	24.845 \| good	7.78 \| good	2.088 \| good	13.194 \| good	0.217 \| good
2025-12-09T11:00:00.000Z	38 \| good	7.451 \| good	32.878 \| good	4.626 \| good	2.253 \| good	16.449 \| good	0.237 \| good
2025-12-09T12:00:00.000Z	49 \| good	8.867 \| good	38.904 \| good	2.658 \| good	2.418 \| good	19.703 \| good	0.256 \| good
2025-12-09T13:00:00.000Z	49 \| good	9.366 \| good	41.832 \| good	8.028 \| good	2.715 \| good	17.089 \| good	0.243 \| good
2025-12-09T14:00:00.000Z	49 \| good	8.903 \| good	39.129 \| good	15.484 \| good	3.012 \| good	14.474 \| good	0.229 \| 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)

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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

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Frequently asked questions

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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?

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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?

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