What is the sulfur dioxide (SO2) level in Reisterstown, Maryland at the moment?

Currently, Reisterstown, Maryland has a sulfur dioxide (SO2) concentration of 0.21 ppb.

What is the ozone (O3) level in Reisterstown, Maryland at the moment?

The current ozone (O3) level in Reisterstown, Maryland at the moment is 33.323 ppm.

What is the nitrogen dioxide (NO2) level in Reisterstown, Maryland at the moment?

Nitrogen dioxide (NO2) level in Reisterstown, Maryland at the moment is 3.824 ppb.

Live air quality index in Reisterstown, Maryland today

Q: What is the PM2.5 level in Reisterstown, Maryland at the moment?

PM2.5 levels in Reisterstown, Maryland are currently 2.735 μg/m3.

Q: What is the PM10 level in Reisterstown, Maryland at the moment?

The PM10 concentration in Reisterstown, Maryland is 12.673 μg/m3 at the moment.

Stay updated with real-time air quality in Reisterstown, 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

Reisterstown, Maryland

Last updated: ... (Local time)

Major air pollutants in Reisterstown, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.73 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.67 μg/m³

155

255

425

605+

Ozone (O₃)

33.32 ppb

201

201+

Sulfur Dioxide (SO₂)

0.21 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.82 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.11 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Reisterstown, Maryland

Get Live Pollen Counts

Reisterstown, Maryland

Scroll To Air Quality Map

Track live Reisterstown, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	41 \| good	2.935 \| good	12.386 \| good	43.737 \| good	0.138 \| good	4.201 \| good	0.132 \| good
2026-10-20T23:00:00.000Z	35 \| good	3.523 \| good	17.333 \| good	37.57 \| good	0.192 \| good	8.905 \| good	0.161 \| good
2026-10-21T00:00:00.000Z	34 \| good	5.254 \| good	36.744 \| good	33.452 \| good	0.232 \| good	13.02 \| good	0.199 \| good
2026-10-21T01:00:00.000Z	27 \| good	4.593 \| good	11.923 \| good	27.124 \| good	0.321 \| good	15.315 \| good	0.201 \| good
2026-10-21T02:00:00.000Z	52 \| moderate	9.801 \| good	45.87 \| good	19.544 \| good	0.373 \| good	16.295 \| good	0.233 \| good
2026-10-21T03:00:00.000Z	56 \| moderate	12.344 \| fine	55.026 \| fine	9.382 \| good	0.689 \| good	5.724 \| good	0.176 \| good
2026-10-21T04:00:00.000Z	44 \| good	7.816 \| good	34.199 \| good	19.566 \| good	0.227 \| good	12.946 \| good	0.292 \| good
2026-10-21T05:00:00.000Z	49 \| good	8.611 \| good	37.061 \| good	23.929 \| good	0.131 \| good	11.764 \| good	0.292 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.221 \| good	25.58 \| good	16.234 \| good	0.154 \| good	9.779 \| good	0.258 \| good
2026-10-21T07:00:00.000Z	33 \| good	6.27 \| good	19.947 \| good	23.871 \| good	0.232 \| good	9.994 \| good	0.226 \| good
2026-10-21T08:00:00.000Z	27 \| good	4.8 \| good	17.56 \| good	19.227 \| good	0.182 \| good	9.45 \| good	0.193 \| good
2026-10-21T09:00:00.000Z	22 \| good	4.452 \| good	17.396 \| good	19.947 \| good	0.12 \| good	9.855 \| good	0.176 \| good
2026-10-21T10:00:00.000Z	27 \| good	4.582 \| good	13.99 \| good	18.854 \| good	0.335 \| good	12.351 \| good	0.177 \| good
2026-10-21T11:00:00.000Z	22 \| good	4.157 \| good	17.275 \| good	19.906 \| good	0.366 \| good	11.494 \| good	0.226 \| good
2026-10-21T12:00:00.000Z	44 \| good	8.381 \| good	20.739 \| good	20.871 \| good	0.318 \| good	10.711 \| good	0.21 \| good
2026-10-21T13:00:00.000Z	38 \| good	6.502 \| good	17.952 \| good	9.969 \| good	0.35 \| good	11.115 \| good	0.21 \| good
2026-10-21T14:00:00.000Z	33 \| good	5.704 \| good	18.657 \| good	18.54 \| good	0.176 \| good	5.784 \| good	0.193 \| good
2026-10-21T15:00:00.000Z	23 \| good	4.451 \| good	17.408 \| good	25.371 \| good	0.176 \| good	4.148 \| good	0.177 \| good
2026-10-21T16:00:00.000Z	23 \| good	3.942 \| good	15.643 \| good	25.383 \| good	0.217 \| good	4.329 \| good	0.148 \| good
2026-10-21T17:00:00.000Z	26 \| good	3.684 \| good	13.863 \| good	28.421 \| good	0.193 \| good	4.784 \| good	0.132 \| good
2026-10-21T18:00:00.000Z	31 \| good	2.925 \| good	13.717 \| good	32.925 \| good	0.173 \| good	3.9 \| good	0.115 \| good
2026-10-21T19:00:00.000Z	31 \| good	3.727 \| good	15.487 \| good	33.664 \| good	0.163 \| good	3.944 \| good	0.1 \| good
2026-10-21T20:00:00.000Z	32 \| good	3.72 \| good	16.186 \| good	34.65 \| good	0.137 \| good	4.046 \| good	0.1 \| good
2026-10-21T21:00:00.000Z	30 \| good	4.204 \| good	17.18 \| good	32.041 \| good	0.149 \| good	3.716 \| good	0.117 \| good
2026-10-21T22:00:00.000Z	31 \| good	3.866 \| good	12.329 \| good	33.884 \| good	0.205 \| good	4.325 \| good	0.117 \| good
2026-10-21T23:00:00.000Z	28 \| good	3.681 \| good	15.249 \| good	29.737 \| good	0.306 \| good	5.997 \| good	0.184 \| good
2026-10-22T00:00:00.000Z	28 \| good	3.943 \| good	17.306 \| good	30.341 \| good	0.43 \| good	12.977 \| good	0.16 \| good
2026-10-22T01:00:00.000Z	27 \| good	5.167 \| good	12.356 \| good	27.489 \| good	0.477 \| good	13.896 \| good	0.175 \| good
2026-10-22T02:00:00.000Z	44 \| good	8.417 \| good	38.134 \| good	24.576 \| good	0.297 \| good	13.85 \| good	0.247 \| good
2026-10-22T03:00:00.000Z	44 \| good	8.136 \| good	35.809 \| good	13.317 \| good	0.487 \| good	7.32 \| good	0.187 \| good
2026-10-22T04:00:00.000Z	33 \| good	6.152 \| good	18.015 \| good	16.363 \| good	0.26 \| good	14.443 \| good	0.226 \| good
2026-10-22T05:00:00.000Z	38 \| good	6.731 \| good	22.512 \| good	13.189 \| good	0.261 \| good	12.729 \| good	0.291 \| good
2026-10-22T06:00:00.000Z	44 \| good	7.682 \| good	26.11 \| good	18.921 \| good	0.241 \| good	11.573 \| good	0.292 \| good
2026-10-22T07:00:00.000Z	38 \| good	6.629 \| good	20.258 \| good	17.111 \| good	0.241 \| good	11.134 \| good	0.258 \| good
2026-10-22T08:00:00.000Z	33 \| good	6.011 \| good	16.904 \| good	17.254 \| good	0.386 \| good	11.579 \| good	0.226 \| good
2026-10-22T09:00:00.000Z	33 \| good	6.425 \| good	27.778 \| good	19.843 \| good	0.469 \| good	13.714 \| good	0.211 \| good
2026-10-22T10:00:00.000Z	27 \| good	5.096 \| good	21.186 \| good	13.559 \| good	0.66 \| good	14.937 \| good	0.243 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.773 \| good	14.089 \| good	9.215 \| good	0.632 \| good	16.137 \| good	0.243 \| good
2026-10-22T12:00:00.000Z	38 \| good	7.285 \| good	30.269 \| good	15.425 \| good	0.668 \| good	15.23 \| good	0.232 \| good
2026-10-22T13:00:00.000Z	33 \| good	6.323 \| good	24.685 \| good	13.497 \| good	0.665 \| good	15.528 \| good	0.203 \| good
2026-10-22T14:00:00.000Z	33 \| good	6.115 \| good	21.319 \| good	21.464 \| good	0.334 \| good	8.955 \| good	0.181 \| good
2026-10-22T15:00:00.000Z	22 \| good	3.812 \| good	16.019 \| good	23.794 \| good	0.251 \| good	6.502 \| good	0.132 \| good
2026-10-22T16:00:00.000Z	24 \| good	3.945 \| good	18.851 \| good	26.473 \| good	0.137 \| good	5.687 \| good	0.115 \| good
2026-10-22T17:00:00.000Z	29 \| good	3.995 \| good	16.254 \| good	30.942 \| good	0.149 \| good	4.747 \| good	0.114 \| good
2026-10-22T18:00:00.000Z	31 \| good	2.37 \| good	14.973 \| good	32.513 \| good	0.21 \| good	5.328 \| good	0.114 \| good
2026-10-22T19:00:00.000Z	31 \| good	2.535 \| good	12.222 \| good	32.853 \| good	0.224 \| good	4.715 \| good	0.114 \| good
2026-10-22T20:00:00.000Z	30 \| good	3.513 \| good	13.85 \| good	32.121 \| good	0.172 \| good	4.924 \| good	0.114 \| good
2026-10-22T21:00:00.000Z	31 \| good	2.735 \| good	12.673 \| good	33.323 \| good	0.21 \| good	3.824 \| good	0.114 \| good
2026-10-22T21:00:00.000Z	31 \| good	2.735 \| good	12.673 \| good	33.323 \| good	0.21 \| good	3.824 \| good	0.114 \| good
2026-10-22T22:00:00.000Z	28 \| good	2.817 \| good	11.641 \| good	30.086 \| good	0.452 \| good	4.14 \| good	0.183 \| good
2026-10-22T23:00:00.000Z	27 \| good	5.286 \| good	22.625 \| good	25.802 \| good	0.459 \| good	6.879 \| good	0.205 \| good
2026-10-23T00:00:00.000Z	33 \| good	5.872 \| good	26.437 \| good	21.065 \| good	0.479 \| good	7.519 \| good	0.208 \| good
2026-10-23T01:00:00.000Z	44 \| good	7.628 \| good	33.67 \| good	18.242 \| good	0.523 \| good	7.246 \| good	0.204 \| good
2026-10-23T02:00:00.000Z	44 \| good	8.203 \| good	35.854 \| good	18.92 \| good	0.605 \| good	6.497 \| good	0.199 \| good
2026-10-23T03:00:00.000Z	38 \| good	7.3 \| good	32 \| good	19.967 \| good	0.712 \| good	5.652 \| good	0.197 \| good
2026-10-23T04:00:00.000Z	52 \| moderate	10.058 \| good	44.375 \| good	19.743 \| good	0.796 \| good	4.648 \| good	0.194 \| good
2026-10-23T05:00:00.000Z	38 \| good	7.181 \| good	31.686 \| good	20.037 \| good	0.822 \| good	3.659 \| good	0.19 \| good
2026-10-23T06:00:00.000Z	44 \| good	7.603 \| good	33.633 \| good	17.348 \| good	0.789 \| good	3.024 \| good	0.186 \| good
2026-10-23T07:00:00.000Z	44 \| good	7.605 \| good	33.615 \| good	15.663 \| good	0.714 \| good	2.642 \| good	0.182 \| good
2026-10-23T08:00:00.000Z	33 \| good	6.436 \| good	28.824 \| good	14.459 \| good	0.631 \| good	2.379 \| good	0.177 \| good
2026-10-23T09:00:00.000Z	38 \| good	7.334 \| good	32.599 \| good	15.155 \| good	0.563 \| good	2.214 \| good	0.174 \| good
2026-10-23T10:00:00.000Z	44 \| good	7.523 \| good	33.44 \| good	11.047 \| good	0.528 \| good	2.224 \| good	0.171 \| good
2026-10-23T11:00:00.000Z	44 \| good	8.14 \| good	35.652 \| good	11.614 \| good	0.527 \| good	2.693 \| good	0.172 \| good
2026-10-23T12:00:00.000Z	38 \| good	7.467 \| good	32.81 \| good	15.618 \| good	0.549 \| good	3.618 \| good	0.181 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.737 \| good	29.875 \| good	22.384 \| good	0.579 \| good	2.649 \| good	0.179 \| good
2026-10-23T14:00:00.000Z	27 \| good	4.713 \| good	20.737 \| good	26.532 \| good	0.61 \| good	2.059 \| good	0.176 \| good
2026-10-23T15:00:00.000Z	28 \| good	4.208 \| good	18.589 \| good	30.276 \| good	0.639 \| good	1.793 \| good	0.172 \| good
2026-10-23T16:00:00.000Z	30 \| good	2.994 \| good	12.125 \| good	32.014 \| good	0.66 \| good	1.627 \| good	0.168 \| good
2026-10-23T17:00:00.000Z	31 \| good	2.953 \| good	12.021 \| good	33.927 \| good	0.661 \| good	1.508 \| good	0.164 \| good
2026-10-23T18:00:00.000Z	32 \| good	2.978 \| good	12.03 \| good	35.347 \| good	0.657 \| good	1.456 \| good	0.161 \| good
2026-10-23T19:00:00.000Z	34 \| good	2.324 \| good	9.901 \| good	37.417 \| good	0.651 \| good	1.471 \| good	0.158 \| good
2026-10-23T20:00:00.000Z	35 \| good	2.097 \| good	8.803 \| good	37.912 \| good	0.649 \| good	1.613 \| good	0.156 \| good
2026-10-23T21:00:00.000Z	34 \| good	1.553 \| good	6.281 \| good	37.434 \| good	0.656 \| good	2.067 \| good	0.157 \| good
2026-10-23T22:00:00.000Z	30 \| good	1.597 \| good	6.357 \| good	31.565 \| good	0.65 \| good	6.138 \| good	0.19 \| good
2026-10-23T23:00:00.000Z	24 \| good	2.75 \| good	11.397 \| good	26.052 \| good	0.703 \| good	14.05 \| good	0.254 \| good
2026-10-24T00:00:00.000Z	21 \| good	2.224 \| good	9.139 \| good	23.174 \| good	0.741 \| good	17.776 \| good	0.279 \| good
2026-10-24T01:00:00.000Z	21 \| good	3.035 \| good	12.372 \| good	22.618 \| good	0.77 \| good	18.345 \| good	0.275 \| good
2026-10-24T02:00:00.000Z	27 \| good	4.772 \| good	20.894 \| good	19.794 \| good	0.8 \| good	18.644 \| good	0.27 \| good
2026-10-24T03:00:00.000Z	38 \| good	6.589 \| good	29.192 \| good	16.22 \| good	0.844 \| good	19.327 \| good	0.271 \| good
2026-10-24T04:00:00.000Z	49 \| good	9.261 \| good	41.506 \| good	13.036 \| good	0.88 \| good	19.866 \| good	0.274 \| good
2026-10-24T05:00:00.000Z	38 \| good	7.062 \| good	31.661 \| good	10.171 \| good	0.897 \| good	19.566 \| good	0.274 \| good
2026-10-24T06:00:00.000Z	27 \| good	5.107 \| good	22.007 \| good	9.826 \| good	0.919 \| good	19.476 \| good	0.271 \| good
2026-10-24T07:00:00.000Z	22 \| good	4.032 \| good	17.785 \| good	8.828 \| good	0.956 \| good	19.719 \| good	0.27 \| good
2026-10-24T08:00:00.000Z	22 \| good	4.126 \| good	17.912 \| good	8.989 \| good	0.987 \| good	20.33 \| good	0.271 \| good
2026-10-24T09:00:00.000Z	27 \| good	4.513 \| good	19.73 \| good	6.899 \| good	1.008 \| good	20.956 \| good	0.276 \| good
2026-10-24T10:00:00.000Z	21 \| good	2.925 \| good	11.989 \| good	7.293 \| good	1.011 \| good	21.739 \| good	0.285 \| good
2026-10-24T11:00:00.000Z	22 \| good	3.088 \| good	12.367 \| good	7.946 \| good	1.008 \| good	22.698 \| good	0.304 \| good
2026-10-24T12:00:00.000Z	19 \| good	3.36 \| good	14.955 \| good	10.086 \| good	1.036 \| good	20.262 \| good	0.344 \| good
2026-10-24T13:00:00.000Z	19 \| good	2.171 \| good	9.066 \| good	19.768 \| good	0.965 \| good	14.695 \| good	0.372 \| good
2026-10-24T14:00:00.000Z	26 \| good	1.995 \| good	8.065 \| good	28.311 \| good	1.23 \| good	8.792 \| good	0.248 \| good
2026-10-24T15:00:00.000Z	31 \| good	2.09 \| good	8.129 \| good	32.616 \| good	1.408 \| good	4.527 \| good	0.184 \| good
2026-10-24T16:00:00.000Z	34 \| good	1.838 \| good	7.831 \| good	36.589 \| good	1.289 \| good	3.465 \| good	0.172 \| good
2026-10-24T17:00:00.000Z	35 \| good	1.483 \| good	6.023 \| good	38.351 \| good	1.205 \| good	3.125 \| good	0.169 \| good
2026-10-24T18:00:00.000Z	37 \| good	2.633 \| good	10.816 \| good	39.571 \| good	1.149 \| good	2.949 \| good	0.168 \| good
2026-10-24T19:00:00.000Z	37 \| good	2.648 \| good	10.816 \| good	39.703 \| good	1.119 \| good	2.943 \| good	0.168 \| good
2026-10-24T20:00:00.000Z	36 \| good	2.723 \| good	10.866 \| good	39.16 \| good	1.105 \| good	3.136 \| good	0.168 \| good
2026-10-24T21:00:00.000Z	35 \| good	1.973 \| good	7.987 \| good	37.709 \| good	1.104 \| good	3.711 \| good	0.171 \| good

Reisterstown

Get reliable air quality data to drive your business

Reisterstown, Maryland air quality map: Stay updated on AQI near you

0.11ppm

How accurate is Maryland, USA air quality data?

Air quality and pollutant data for Maryland, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Reisterstown, Maryland?

The air quality information for Reisterstown, Maryland is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Reisterstown, Maryland at its worst?

In the past 24 hours, the air quality in Reisterstown, Maryland was at its worst at 06:00:00 on 2026-10-22.

When did Reisterstown, Maryland experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Reisterstown, Maryland was observed at 03:00:00 on 2026-10-22.

What is the AQI in Reisterstown, Maryland right now?

As of now, the AQI in Reisterstown, Maryland is 31, indicating Good conditions.

What is the most common type of pollution in Reisterstown, Maryland?

Reisterstown, Maryland air has the highest levels of O3.

What should I do in case of poor air quality in Reisterstown, Maryland?

Poor air quality in Reisterstown, Maryland means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Reisterstown, Maryland at the moment?

PM_2.5 levels in Reisterstown, Maryland are currently 2.735 μg/m³.

What is the PM₁₀ level in Reisterstown, Maryland at the moment?

The PM₁₀ concentration in Reisterstown, Maryland is 12.673 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Reisterstown, Maryland at the moment?

The current carbon monoxide (CO) concentration in Reisterstown, Maryland is 0.114 ppm.

What is the sulfur dioxide (SO₂) level in Reisterstown, Maryland at the moment?

Currently, Reisterstown, Maryland has a sulfur dioxide (SO₂) concentration of 0.21 ppb.

What is the ozone (O₃) level in Reisterstown, Maryland at the moment?

The current ozone (O₃) level in Reisterstown, Maryland at the moment is 33.323 ppm.

What is the nitrogen dioxide (NO₂) level in Reisterstown, Maryland at the moment?

Nitrogen dioxide (NO₂) level in Reisterstown, Maryland at the moment is 3.824 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	41 \| good	2.935 \| good	12.386 \| good	43.737 \| good	0.138 \| good	4.201 \| good	0.132 \| good
2026-10-20T23:00:00.000Z	35 \| good	3.523 \| good	17.333 \| good	37.57 \| good	0.192 \| good	8.905 \| good	0.161 \| good
2026-10-21T00:00:00.000Z	34 \| good	5.254 \| good	36.744 \| good	33.452 \| good	0.232 \| good	13.02 \| good	0.199 \| good
2026-10-21T01:00:00.000Z	27 \| good	4.593 \| good	11.923 \| good	27.124 \| good	0.321 \| good	15.315 \| good	0.201 \| good
2026-10-21T02:00:00.000Z	52 \| moderate	9.801 \| good	45.87 \| good	19.544 \| good	0.373 \| good	16.295 \| good	0.233 \| good
2026-10-21T03:00:00.000Z	56 \| moderate	12.344 \| fine	55.026 \| fine	9.382 \| good	0.689 \| good	5.724 \| good	0.176 \| good
2026-10-21T04:00:00.000Z	44 \| good	7.816 \| good	34.199 \| good	19.566 \| good	0.227 \| good	12.946 \| good	0.292 \| good
2026-10-21T05:00:00.000Z	49 \| good	8.611 \| good	37.061 \| good	23.929 \| good	0.131 \| good	11.764 \| good	0.292 \| good
2026-10-21T06:00:00.000Z	33 \| good	6.221 \| good	25.58 \| good	16.234 \| good	0.154 \| good	9.779 \| good	0.258 \| good
2026-10-21T07:00:00.000Z	33 \| good	6.27 \| good	19.947 \| good	23.871 \| good	0.232 \| good	9.994 \| good	0.226 \| good
2026-10-21T08:00:00.000Z	27 \| good	4.8 \| good	17.56 \| good	19.227 \| good	0.182 \| good	9.45 \| good	0.193 \| good
2026-10-21T09:00:00.000Z	22 \| good	4.452 \| good	17.396 \| good	19.947 \| good	0.12 \| good	9.855 \| good	0.176 \| good
2026-10-21T10:00:00.000Z	27 \| good	4.582 \| good	13.99 \| good	18.854 \| good	0.335 \| good	12.351 \| good	0.177 \| good
2026-10-21T11:00:00.000Z	22 \| good	4.157 \| good	17.275 \| good	19.906 \| good	0.366 \| good	11.494 \| good	0.226 \| good
2026-10-21T12:00:00.000Z	44 \| good	8.381 \| good	20.739 \| good	20.871 \| good	0.318 \| good	10.711 \| good	0.21 \| good
2026-10-21T13:00:00.000Z	38 \| good	6.502 \| good	17.952 \| good	9.969 \| good	0.35 \| good	11.115 \| good	0.21 \| good
2026-10-21T14:00:00.000Z	33 \| good	5.704 \| good	18.657 \| good	18.54 \| good	0.176 \| good	5.784 \| good	0.193 \| good
2026-10-21T15:00:00.000Z	23 \| good	4.451 \| good	17.408 \| good	25.371 \| good	0.176 \| good	4.148 \| good	0.177 \| good
2026-10-21T16:00:00.000Z	23 \| good	3.942 \| good	15.643 \| good	25.383 \| good	0.217 \| good	4.329 \| good	0.148 \| good
2026-10-21T17:00:00.000Z	26 \| good	3.684 \| good	13.863 \| good	28.421 \| good	0.193 \| good	4.784 \| good	0.132 \| good
2026-10-21T18:00:00.000Z	31 \| good	2.925 \| good	13.717 \| good	32.925 \| good	0.173 \| good	3.9 \| good	0.115 \| good
2026-10-21T19:00:00.000Z	31 \| good	3.727 \| good	15.487 \| good	33.664 \| good	0.163 \| good	3.944 \| good	0.1 \| good
2026-10-21T20:00:00.000Z	32 \| good	3.72 \| good	16.186 \| good	34.65 \| good	0.137 \| good	4.046 \| good	0.1 \| good
2026-10-21T21:00:00.000Z	30 \| good	4.204 \| good	17.18 \| good	32.041 \| good	0.149 \| good	3.716 \| good	0.117 \| good
2026-10-21T22:00:00.000Z	31 \| good	3.866 \| good	12.329 \| good	33.884 \| good	0.205 \| good	4.325 \| good	0.117 \| good
2026-10-21T23:00:00.000Z	28 \| good	3.681 \| good	15.249 \| good	29.737 \| good	0.306 \| good	5.997 \| good	0.184 \| good
2026-10-22T00:00:00.000Z	28 \| good	3.943 \| good	17.306 \| good	30.341 \| good	0.43 \| good	12.977 \| good	0.16 \| good
2026-10-22T01:00:00.000Z	27 \| good	5.167 \| good	12.356 \| good	27.489 \| good	0.477 \| good	13.896 \| good	0.175 \| good
2026-10-22T02:00:00.000Z	44 \| good	8.417 \| good	38.134 \| good	24.576 \| good	0.297 \| good	13.85 \| good	0.247 \| good
2026-10-22T03:00:00.000Z	44 \| good	8.136 \| good	35.809 \| good	13.317 \| good	0.487 \| good	7.32 \| good	0.187 \| good
2026-10-22T04:00:00.000Z	33 \| good	6.152 \| good	18.015 \| good	16.363 \| good	0.26 \| good	14.443 \| good	0.226 \| good
2026-10-22T05:00:00.000Z	38 \| good	6.731 \| good	22.512 \| good	13.189 \| good	0.261 \| good	12.729 \| good	0.291 \| good
2026-10-22T06:00:00.000Z	44 \| good	7.682 \| good	26.11 \| good	18.921 \| good	0.241 \| good	11.573 \| good	0.292 \| good
2026-10-22T07:00:00.000Z	38 \| good	6.629 \| good	20.258 \| good	17.111 \| good	0.241 \| good	11.134 \| good	0.258 \| good
2026-10-22T08:00:00.000Z	33 \| good	6.011 \| good	16.904 \| good	17.254 \| good	0.386 \| good	11.579 \| good	0.226 \| good
2026-10-22T09:00:00.000Z	33 \| good	6.425 \| good	27.778 \| good	19.843 \| good	0.469 \| good	13.714 \| good	0.211 \| good
2026-10-22T10:00:00.000Z	27 \| good	5.096 \| good	21.186 \| good	13.559 \| good	0.66 \| good	14.937 \| good	0.243 \| good
2026-10-22T11:00:00.000Z	22 \| good	3.773 \| good	14.089 \| good	9.215 \| good	0.632 \| good	16.137 \| good	0.243 \| good
2026-10-22T12:00:00.000Z	38 \| good	7.285 \| good	30.269 \| good	15.425 \| good	0.668 \| good	15.23 \| good	0.232 \| good
2026-10-22T13:00:00.000Z	33 \| good	6.323 \| good	24.685 \| good	13.497 \| good	0.665 \| good	15.528 \| good	0.203 \| good
2026-10-22T14:00:00.000Z	33 \| good	6.115 \| good	21.319 \| good	21.464 \| good	0.334 \| good	8.955 \| good	0.181 \| good
2026-10-22T15:00:00.000Z	22 \| good	3.812 \| good	16.019 \| good	23.794 \| good	0.251 \| good	6.502 \| good	0.132 \| good
2026-10-22T16:00:00.000Z	24 \| good	3.945 \| good	18.851 \| good	26.473 \| good	0.137 \| good	5.687 \| good	0.115 \| good
2026-10-22T17:00:00.000Z	29 \| good	3.995 \| good	16.254 \| good	30.942 \| good	0.149 \| good	4.747 \| good	0.114 \| good
2026-10-22T18:00:00.000Z	31 \| good	2.37 \| good	14.973 \| good	32.513 \| good	0.21 \| good	5.328 \| good	0.114 \| good
2026-10-22T19:00:00.000Z	31 \| good	2.535 \| good	12.222 \| good	32.853 \| good	0.224 \| good	4.715 \| good	0.114 \| good
2026-10-22T20:00:00.000Z	30 \| good	3.513 \| good	13.85 \| good	32.121 \| good	0.172 \| good	4.924 \| good	0.114 \| good
2026-10-22T21:00:00.000Z	31 \| good	2.735 \| good	12.673 \| good	33.323 \| good	0.21 \| good	3.824 \| good	0.114 \| good
2026-10-22T21:00:00.000Z	31 \| good	2.735 \| good	12.673 \| good	33.323 \| good	0.21 \| good	3.824 \| good	0.114 \| good
2026-10-22T22:00:00.000Z	28 \| good	2.817 \| good	11.641 \| good	30.086 \| good	0.452 \| good	4.14 \| good	0.183 \| good
2026-10-22T23:00:00.000Z	27 \| good	5.286 \| good	22.625 \| good	25.802 \| good	0.459 \| good	6.879 \| good	0.205 \| good
2026-10-23T00:00:00.000Z	33 \| good	5.872 \| good	26.437 \| good	21.065 \| good	0.479 \| good	7.519 \| good	0.208 \| good
2026-10-23T01:00:00.000Z	44 \| good	7.628 \| good	33.67 \| good	18.242 \| good	0.523 \| good	7.246 \| good	0.204 \| good
2026-10-23T02:00:00.000Z	44 \| good	8.203 \| good	35.854 \| good	18.92 \| good	0.605 \| good	6.497 \| good	0.199 \| good
2026-10-23T03:00:00.000Z	38 \| good	7.3 \| good	32 \| good	19.967 \| good	0.712 \| good	5.652 \| good	0.197 \| good
2026-10-23T04:00:00.000Z	52 \| moderate	10.058 \| good	44.375 \| good	19.743 \| good	0.796 \| good	4.648 \| good	0.194 \| good
2026-10-23T05:00:00.000Z	38 \| good	7.181 \| good	31.686 \| good	20.037 \| good	0.822 \| good	3.659 \| good	0.19 \| good
2026-10-23T06:00:00.000Z	44 \| good	7.603 \| good	33.633 \| good	17.348 \| good	0.789 \| good	3.024 \| good	0.186 \| good
2026-10-23T07:00:00.000Z	44 \| good	7.605 \| good	33.615 \| good	15.663 \| good	0.714 \| good	2.642 \| good	0.182 \| good
2026-10-23T08:00:00.000Z	33 \| good	6.436 \| good	28.824 \| good	14.459 \| good	0.631 \| good	2.379 \| good	0.177 \| good
2026-10-23T09:00:00.000Z	38 \| good	7.334 \| good	32.599 \| good	15.155 \| good	0.563 \| good	2.214 \| good	0.174 \| good
2026-10-23T10:00:00.000Z	44 \| good	7.523 \| good	33.44 \| good	11.047 \| good	0.528 \| good	2.224 \| good	0.171 \| good
2026-10-23T11:00:00.000Z	44 \| good	8.14 \| good	35.652 \| good	11.614 \| good	0.527 \| good	2.693 \| good	0.172 \| good
2026-10-23T12:00:00.000Z	38 \| good	7.467 \| good	32.81 \| good	15.618 \| good	0.549 \| good	3.618 \| good	0.181 \| good
2026-10-23T13:00:00.000Z	38 \| good	6.737 \| good	29.875 \| good	22.384 \| good	0.579 \| good	2.649 \| good	0.179 \| good
2026-10-23T14:00:00.000Z	27 \| good	4.713 \| good	20.737 \| good	26.532 \| good	0.61 \| good	2.059 \| good	0.176 \| good
2026-10-23T15:00:00.000Z	28 \| good	4.208 \| good	18.589 \| good	30.276 \| good	0.639 \| good	1.793 \| good	0.172 \| good
2026-10-23T16:00:00.000Z	30 \| good	2.994 \| good	12.125 \| good	32.014 \| good	0.66 \| good	1.627 \| good	0.168 \| good
2026-10-23T17:00:00.000Z	31 \| good	2.953 \| good	12.021 \| good	33.927 \| good	0.661 \| good	1.508 \| good	0.164 \| good
2026-10-23T18:00:00.000Z	32 \| good	2.978 \| good	12.03 \| good	35.347 \| good	0.657 \| good	1.456 \| good	0.161 \| good
2026-10-23T19:00:00.000Z	34 \| good	2.324 \| good	9.901 \| good	37.417 \| good	0.651 \| good	1.471 \| good	0.158 \| good
2026-10-23T20:00:00.000Z	35 \| good	2.097 \| good	8.803 \| good	37.912 \| good	0.649 \| good	1.613 \| good	0.156 \| good
2026-10-23T21:00:00.000Z	34 \| good	1.553 \| good	6.281 \| good	37.434 \| good	0.656 \| good	2.067 \| good	0.157 \| good
2026-10-23T22:00:00.000Z	30 \| good	1.597 \| good	6.357 \| good	31.565 \| good	0.65 \| good	6.138 \| good	0.19 \| good
2026-10-23T23:00:00.000Z	24 \| good	2.75 \| good	11.397 \| good	26.052 \| good	0.703 \| good	14.05 \| good	0.254 \| good
2026-10-24T00:00:00.000Z	21 \| good	2.224 \| good	9.139 \| good	23.174 \| good	0.741 \| good	17.776 \| good	0.279 \| good
2026-10-24T01:00:00.000Z	21 \| good	3.035 \| good	12.372 \| good	22.618 \| good	0.77 \| good	18.345 \| good	0.275 \| good
2026-10-24T02:00:00.000Z	27 \| good	4.772 \| good	20.894 \| good	19.794 \| good	0.8 \| good	18.644 \| good	0.27 \| good
2026-10-24T03:00:00.000Z	38 \| good	6.589 \| good	29.192 \| good	16.22 \| good	0.844 \| good	19.327 \| good	0.271 \| good
2026-10-24T04:00:00.000Z	49 \| good	9.261 \| good	41.506 \| good	13.036 \| good	0.88 \| good	19.866 \| good	0.274 \| good
2026-10-24T05:00:00.000Z	38 \| good	7.062 \| good	31.661 \| good	10.171 \| good	0.897 \| good	19.566 \| good	0.274 \| good
2026-10-24T06:00:00.000Z	27 \| good	5.107 \| good	22.007 \| good	9.826 \| good	0.919 \| good	19.476 \| good	0.271 \| good
2026-10-24T07:00:00.000Z	22 \| good	4.032 \| good	17.785 \| good	8.828 \| good	0.956 \| good	19.719 \| good	0.27 \| good
2026-10-24T08:00:00.000Z	22 \| good	4.126 \| good	17.912 \| good	8.989 \| good	0.987 \| good	20.33 \| good	0.271 \| good
2026-10-24T09:00:00.000Z	27 \| good	4.513 \| good	19.73 \| good	6.899 \| good	1.008 \| good	20.956 \| good	0.276 \| good
2026-10-24T10:00:00.000Z	21 \| good	2.925 \| good	11.989 \| good	7.293 \| good	1.011 \| good	21.739 \| good	0.285 \| good
2026-10-24T11:00:00.000Z	22 \| good	3.088 \| good	12.367 \| good	7.946 \| good	1.008 \| good	22.698 \| good	0.304 \| good
2026-10-24T12:00:00.000Z	19 \| good	3.36 \| good	14.955 \| good	10.086 \| good	1.036 \| good	20.262 \| good	0.344 \| good
2026-10-24T13:00:00.000Z	19 \| good	2.171 \| good	9.066 \| good	19.768 \| good	0.965 \| good	14.695 \| good	0.372 \| good
2026-10-24T14:00:00.000Z	26 \| good	1.995 \| good	8.065 \| good	28.311 \| good	1.23 \| good	8.792 \| good	0.248 \| good
2026-10-24T15:00:00.000Z	31 \| good	2.09 \| good	8.129 \| good	32.616 \| good	1.408 \| good	4.527 \| good	0.184 \| good
2026-10-24T16:00:00.000Z	34 \| good	1.838 \| good	7.831 \| good	36.589 \| good	1.289 \| good	3.465 \| good	0.172 \| good
2026-10-24T17:00:00.000Z	35 \| good	1.483 \| good	6.023 \| good	38.351 \| good	1.205 \| good	3.125 \| good	0.169 \| good
2026-10-24T18:00:00.000Z	37 \| good	2.633 \| good	10.816 \| good	39.571 \| good	1.149 \| good	2.949 \| good	0.168 \| good
2026-10-24T19:00:00.000Z	37 \| good	2.648 \| good	10.816 \| good	39.703 \| good	1.119 \| good	2.943 \| good	0.168 \| good
2026-10-24T20:00:00.000Z	36 \| good	2.723 \| good	10.866 \| good	39.16 \| good	1.105 \| good	3.136 \| good	0.168 \| good
2026-10-24T21:00:00.000Z	35 \| good	1.973 \| good	7.987 \| good	37.709 \| good	1.104 \| good	3.711 \| good	0.171 \| good

Live air quality index in Reisterstown, Maryland today

Major air pollutants in Reisterstown, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Reisterstown, Maryland air quality map: Stay updated on AQI near you

Air quality in nearby cities

Owings Mills, Maryland

Garrison, Maryland

Randallstown, Maryland

Eldersburg, Maryland

Pikesville, Maryland

Milford Mill, Maryland

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Frequently asked questions

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Reisterstown, Maryland at the moment?

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What is the ozone (O₃) level in Reisterstown, Maryland at the moment?

What is the nitrogen dioxide (NO₂) level in Reisterstown, Maryland at the moment?