What is the current level of PM10 in Perry Hall, Maryland?

Perry Hall, Maryland currently has a PM10 concentration of 16.784 μg/m3.

What is the current level of sulfur dioxide (SO2) in Perry Hall, Maryland?

The current sulfur dioxide (SO2) concentration in Perry Hall, Maryland is 0.164 ppb.

What is the current level of ozone (O3) in Perry Hall, Maryland?

Perry Hall, Maryland currently has an ozone (O3) concentration of 49.046 ppm.

What is the current level of nitrogen dioxide (NO2) in Perry Hall, Maryland?

The current level of nitrogen dioxide (NO2) in Perry Hall, Maryland is 2.482 ppb.

Current air quality index in Perry Hall, Maryland today

Q: What is the PM2.5 concentration in Perry Hall, Maryland right now?

Perry Hall, Maryland currently has a PM2.5 concentration of 4.193 μg/m3.

Stay updated with real-time air quality in Perry Hall, 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

Perry Hall, Maryland

Last updated: ... (Local time)

Common air pollutants in Perry Hall, Maryland

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.19 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.78 μg/m³

155

255

425

605+

Ozone (O₃)

49.05 ppb

201

201+

Sulfur Dioxide (SO₂)

0.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.48 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Perry Hall, Maryland

Get Live Pollen Counts

Perry Hall, Maryland

Scroll To Air Quality Map

Track live Perry Hall, Maryland air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	39 \| good	6.137 \| good	27.999 \| good	42.04 \| good	0.271 \| good	3.505 \| good	0.165 \| good
2026-07-22T00:00:00.000Z	36 \| good	5.248 \| good	24.662 \| good	39.296 \| good	0.251 \| good	4.97 \| good	0.224 \| good
2026-07-22T01:00:00.000Z	31 \| good	5.261 \| good	24.059 \| good	34.007 \| good	0.266 \| good	7.585 \| good	0.224 \| good
2026-07-22T02:00:00.000Z	31 \| good	4.964 \| good	21.621 \| good	34.047 \| good	0.268 \| good	7.653 \| good	0.241 \| good
2026-07-22T03:00:00.000Z	31 \| good	4.481 \| good	22.234 \| good	33.087 \| good	0.511 \| good	6.889 \| good	0.241 \| good
2026-07-22T04:00:00.000Z	29 \| good	4.27 \| good	19.806 \| good	30.955 \| good	0.38 \| good	7.092 \| good	0.248 \| good
2026-07-22T05:00:00.000Z	28 \| good	4.04 \| good	20.18 \| good	29.511 \| good	0.393 \| good	6.69 \| good	0.196 \| good
2026-07-22T06:00:00.000Z	28 \| good	4.175 \| good	22.196 \| good	30.423 \| good	0.259 \| good	5.756 \| good	0.22 \| good
2026-07-22T07:00:00.000Z	29 \| good	4.13 \| good	22.537 \| good	30.511 \| good	0.259 \| good	5.749 \| good	0.203 \| good
2026-07-22T08:00:00.000Z	27 \| good	2.565 \| good	11.105 \| good	28.591 \| good	0.326 \| good	5.36 \| good	0.203 \| good
2026-07-22T09:00:00.000Z	26 \| good	3.753 \| good	16.778 \| good	28.261 \| good	0.328 \| good	6.053 \| good	0.231 \| good
2026-07-22T10:00:00.000Z	24 \| good	4.223 \| good	18.321 \| good	25.725 \| good	0.262 \| good	8.169 \| good	0.248 \| good
2026-07-22T11:00:00.000Z	20 \| good	3.487 \| good	16.128 \| good	22.462 \| good	0.27 \| good	10.551 \| good	0.248 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.863 \| good	15.53 \| good	22.684 \| good	0.297 \| good	8.244 \| good	0.263 \| good
2026-07-22T13:00:00.000Z	22 \| good	3.647 \| good	17.59 \| good	22.563 \| good	0.295 \| good	8.392 \| good	0.263 \| good
2026-07-22T14:00:00.000Z	31 \| good	4.611 \| good	20.993 \| good	32.606 \| good	0.375 \| good	3.639 \| good	0.263 \| good
2026-07-22T15:00:00.000Z	34 \| good	5.68 \| good	26.122 \| good	37.191 \| good	0.351 \| good	3.148 \| good	0.263 \| good
2026-07-22T16:00:00.000Z	44 \| good	8.321 \| good	37.341 \| good	41.363 \| good	0.279 \| good	2.436 \| good	0.248 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.518 \| good	37.035 \| good	44.663 \| good	0.212 \| good	2.41 \| good	0.231 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.189 \| good	38.439 \| good	47.06 \| good	0.232 \| good	2.246 \| good	0.208 \| good
2026-07-22T19:00:00.000Z	49 \| good	8.878 \| good	38.137 \| good	48.519 \| good	0.222 \| good	2.049 \| good	0.208 \| good
2026-07-22T20:00:00.000Z	49 \| good	9.334 \| good	40.609 \| good	49.261 \| good	0.219 \| good	1.902 \| good	0.203 \| good
2026-07-22T21:00:00.000Z	45 \| good	8.212 \| good	37.39 \| good	48.817 \| good	0.207 \| good	1.859 \| good	0.208 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.602 \| good	37.053 \| good	49.291 \| good	0.206 \| good	2.115 \| good	0.208 \| good
2026-07-22T23:00:00.000Z	49 \| good	8.597 \| good	37.432 \| good	48.916 \| good	0.321 \| good	2.509 \| good	0.231 \| good
2026-07-23T00:00:00.000Z	49 \| good	8.692 \| good	40.086 \| good	46.653 \| good	0.216 \| good	3.048 \| good	0.231 \| good
2026-07-23T01:00:00.000Z	49 \| good	8.833 \| good	37.773 \| good	43.041 \| good	0.214 \| good	2.759 \| good	0.231 \| good
2026-07-23T02:00:00.000Z	49 \| good	8.759 \| good	38.156 \| good	40.521 \| good	0.188 \| good	3.118 \| good	0.231 \| good
2026-07-23T03:00:00.000Z	26 \| good	1.172 \| good	4.999 \| good	27.978 \| good	0.467 \| good	5.341 \| good	0.203 \| good
2026-07-23T04:00:00.000Z	38 \| good	7.031 \| good	30.919 \| good	37.005 \| good	0.198 \| good	2.511 \| good	0.203 \| good
2026-07-23T05:00:00.000Z	33 \| good	6.45 \| good	29.199 \| good	34.925 \| good	0.198 \| good	2.638 \| good	0.188 \| good
2026-07-23T06:00:00.000Z	33 \| good	5.98 \| good	25.781 \| good	32.111 \| good	0.202 \| good	2.905 \| good	0.164 \| good
2026-07-23T07:00:00.000Z	33 \| good	5.805 \| good	25.306 \| good	31.978 \| good	0.205 \| good	2.809 \| good	0.148 \| good
2026-07-23T08:00:00.000Z	33 \| good	5.506 \| good	24.065 \| good	26.947 \| good	0.327 \| good	4.068 \| good	0.148 \| good
2026-07-23T09:00:00.000Z	27 \| good	4.516 \| good	19.51 \| good	25.343 \| good	0.364 \| good	4.401 \| good	0.131 \| good
2026-07-23T10:00:00.000Z	27 \| good	4.787 \| good	19.75 \| good	24.26 \| good	0.364 \| good	5.768 \| good	0.148 \| good
2026-07-23T11:00:00.000Z	27 \| good	4.779 \| good	19.208 \| good	23.012 \| good	0.42 \| good	6.05 \| good	0.148 \| good
2026-07-23T12:00:00.000Z	21 \| good	3.221 \| good	13.986 \| good	22.974 \| good	0.418 \| good	4.981 \| good	0.148 \| good
2026-07-23T13:00:00.000Z	21 \| good	3.344 \| good	14.513 \| good	22.82 \| good	0.441 \| good	4.902 \| good	0.148 \| good
2026-07-23T14:00:00.000Z	28 \| good	3.754 \| good	16.237 \| good	30.049 \| good	0.206 \| good	2.598 \| good	0.148 \| good
2026-07-23T15:00:00.000Z	31 \| good	4.092 \| good	17.675 \| good	33.016 \| good	0.206 \| good	2.202 \| good	0.148 \| good
2026-07-23T16:00:00.000Z	34 \| good	4.033 \| good	17.18 \| good	37.482 \| good	0.201 \| good	1.724 \| good	0.148 \| good
2026-07-23T17:00:00.000Z	38 \| good	4.56 \| good	19.366 \| good	40.8 \| good	0.357 \| good	1.667 \| good	0.148 \| good
2026-07-23T18:00:00.000Z	40 \| good	4.523 \| good	19.186 \| good	43.368 \| good	0.206 \| good	2.025 \| good	0.148 \| good
2026-07-23T19:00:00.000Z	43 \| good	4.722 \| good	20.281 \| good	46.395 \| good	0.206 \| good	1.759 \| good	0.148 \| good
2026-07-23T20:00:00.000Z	45 \| good	4.975 \| good	20.667 \| good	48.542 \| good	0.184 \| good	2.141 \| good	0.148 \| good
2026-07-23T21:00:00.000Z	45 \| good	5.16 \| good	21.755 \| good	49.186 \| good	0.194 \| good	2.407 \| good	0.148 \| good
2026-07-23T22:00:00.000Z	45 \| good	4.193 \| good	16.784 \| good	49.046 \| good	0.164 \| good	2.482 \| good	0.149 \| good
2026-07-23T23:00:00.000Z	42 \| good	0.807 \| good	3.141 \| good	45.171 \| good	0.53 \| good	1.748 \| good	0.144 \| good
2026-07-24T00:00:00.000Z	34 \| good	1.029 \| good	4.161 \| good	36.559 \| good	0.564 \| good	4.327 \| good	0.167 \| good
2026-07-24T01:00:00.000Z	31 \| good	1.186 \| good	5.046 \| good	32.561 \| good	0.63 \| good	7.542 \| good	0.19 \| good
2026-07-24T02:00:00.000Z	22 \| good	1.27 \| good	5.148 \| good	24.173 \| good	0.694 \| good	9.224 \| good	0.201 \| good
2026-07-24T03:00:00.000Z	19 \| good	1.446 \| good	6.142 \| good	19.952 \| good	0.736 \| good	10.802 \| good	0.21 \| good
2026-07-24T04:00:00.000Z	17 \| good	1.393 \| good	5.292 \| good	17.713 \| good	0.733 \| good	12.401 \| good	0.221 \| good
2026-07-24T05:00:00.000Z	17 \| good	1.781 \| good	7.281 \| good	17.663 \| good	0.691 \| good	13.264 \| good	0.23 \| good
2026-07-24T06:00:00.000Z	16 \| good	1.603 \| good	6.827 \| good	16.844 \| good	0.64 \| good	13.443 \| good	0.231 \| good
2026-07-24T07:00:00.000Z	14 \| good	0.874 \| good	3.597 \| good	15.3 \| good	0.592 \| good	13.201 \| good	0.229 \| good
2026-07-24T08:00:00.000Z	17 \| good	1.202 \| good	4.713 \| good	18.16 \| good	0.56 \| good	12.85 \| good	0.225 \| good
2026-07-24T09:00:00.000Z	18 \| good	2.975 \| good	11.932 \| good	18.506 \| good	0.541 \| good	12.349 \| good	0.219 \| good
2026-07-24T10:00:00.000Z	27 \| good	4.975 \| good	21.124 \| good	15.891 \| good	0.517 \| good	11.584 \| good	0.213 \| good
2026-07-24T11:00:00.000Z	22 \| good	3.596 \| good	15.612 \| good	17.837 \| good	0.489 \| good	9.408 \| good	0.204 \| good
2026-07-24T12:00:00.000Z	33 \| good	5.846 \| good	26.161 \| good	25.123 \| good	0.498 \| good	6.946 \| good	0.191 \| good
2026-07-24T13:00:00.000Z	31 \| good	5.26 \| good	22.734 \| good	33.146 \| good	0.535 \| good	4.097 \| good	0.168 \| good
2026-07-24T14:00:00.000Z	38 \| good	6.91 \| good	30.754 \| good	41.323 \| good	0.541 \| good	2.22 \| good	0.155 \| good
2026-07-24T15:00:00.000Z	45 \| good	5.679 \| good	24.674 \| good	48.818 \| good	0.512 \| good	1.249 \| good	0.147 \| good
2026-07-24T16:00:00.000Z	46 \| good	2.593 \| good	10.335 \| good	50.449 \| good	0.469 \| good	0.874 \| good	0.143 \| good
2026-07-24T17:00:00.000Z	45 \| good	1.042 \| good	4.123 \| good	48.801 \| good	0.444 \| good	0.742 \| good	0.143 \| good
2026-07-24T18:00:00.000Z	43 \| good	0.621 \| good	2.17 \| good	46.462 \| good	0.423 \| good	0.719 \| good	0.143 \| good
2026-07-24T19:00:00.000Z	42 \| good	0.816 \| good	2.925 \| good	45.234 \| good	0.405 \| good	0.759 \| good	0.144 \| good
2026-07-24T20:00:00.000Z	44 \| good	0.638 \| good	2.662 \| good	47.381 \| good	0.39 \| good	0.853 \| good	0.145 \| good
2026-07-24T21:00:00.000Z	43 \| good	0.803 \| good	3.127 \| good	46.381 \| good	0.372 \| good	1.044 \| good	0.146 \| good
2026-07-24T22:00:00.000Z	42 \| good	0.83 \| good	3.189 \| good	44.64 \| good	0.351 \| good	1.536 \| good	0.149 \| good
2026-07-24T23:00:00.000Z	40 \| good	0.212 \| good	0.458 \| good	42.893 \| good	0.327 \| good	2.447 \| good	0.156 \| good
2026-07-25T00:00:00.000Z	31 \| good	0.973 \| good	3.742 \| good	34.341 \| good	0.306 \| good	3.005 \| good	0.157 \| good
2026-07-25T01:00:00.000Z	31 \| good	0.67 \| good	2.666 \| good	32.798 \| good	0.282 \| good	3.105 \| good	0.152 \| good
2026-07-25T02:00:00.000Z	30 \| good	1.17 \| good	4.769 \| good	32.085 \| good	0.266 \| good	3.287 \| good	0.148 \| good
2026-07-25T03:00:00.000Z	28 \| good	0.526 \| good	1.988 \| good	29.861 \| good	0.258 \| good	3.619 \| good	0.145 \| good
2026-07-25T04:00:00.000Z	25 \| good	0.505 \| good	1.742 \| good	26.54 \| good	0.258 \| good	3.953 \| good	0.144 \| good
2026-07-25T05:00:00.000Z	21 \| good	1.111 \| good	4.76 \| good	23.245 \| good	0.263 \| good	4.235 \| good	0.143 \| good
2026-07-25T06:00:00.000Z	20 \| good	1.216 \| good	4.722 \| good	21.885 \| good	0.271 \| good	4.642 \| good	0.143 \| good
2026-07-25T07:00:00.000Z	16 \| good	0.042 \| good	0.125 \| good	17.294 \| good	0.283 \| good	5.509 \| good	0.145 \| good
2026-07-25T08:00:00.000Z	17 \| good	0.647 \| good	2 \| good	17.693 \| good	0.3 \| good	6.703 \| good	0.149 \| good
2026-07-25T09:00:00.000Z	10 \| good	0.899 \| good	3.542 \| good	11.262 \| good	0.311 \| good	7.669 \| good	0.153 \| good
2026-07-25T10:00:00.000Z	11 \| good	2.081 \| good	8.493 \| good	10.451 \| good	0.324 \| good	7.831 \| good	0.153 \| good
2026-07-25T11:00:00.000Z	16 \| good	3.335 \| good	14.722 \| good	12.976 \| good	0.329 \| good	7.294 \| good	0.154 \| good
2026-07-25T12:00:00.000Z	38 \| good	7.47 \| good	33.015 \| good	17.386 \| good	0.367 \| good	5.436 \| good	0.152 \| good
2026-07-25T13:00:00.000Z	23 \| good	4.112 \| good	17.872 \| good	24.573 \| good	0.41 \| good	2.789 \| good	0.138 \| good
2026-07-25T14:00:00.000Z	30 \| good	2.058 \| good	8.123 \| good	31.706 \| good	0.372 \| good	1.573 \| good	0.133 \| good
2026-07-25T15:00:00.000Z	33 \| good	0.86 \| good	3.151 \| good	36.162 \| good	0.321 \| good	0.98 \| good	0.132 \| good
2026-07-25T16:00:00.000Z	36 \| good	0.88 \| good	3.211 \| good	39.412 \| good	0.284 \| good	0.717 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	40 \| good	0.901 \| good	3.293 \| good	42.686 \| good	0.255 \| good	0.605 \| good	0.133 \| good
2026-07-25T18:00:00.000Z	43 \| good	0.28 \| good	1.075 \| good	46.309 \| good	0.23 \| good	0.564 \| good	0.133 \| good
2026-07-25T19:00:00.000Z	46 \| good	1.171 \| good	4.809 \| good	49.649 \| good	0.211 \| good	0.563 \| good	0.133 \| good
2026-07-25T20:00:00.000Z	47 \| good	0.976 \| good	3.789 \| good	50.86 \| good	0.201 \| good	0.585 \| good	0.133 \| good
2026-07-25T21:00:00.000Z	45 \| good	1.266 \| good	4.891 \| good	48.91 \| good	0.197 \| good	0.657 \| good	0.133 \| good
2026-07-25T22:00:00.000Z	44 \| good	1.317 \| good	5.282 \| good	46.938 \| good	0.199 \| good	0.847 \| good	0.134 \| good

Perry Hall

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Perry Hall, Maryland

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How accurate is Maryland, USA air quality data?

The air quality data for Maryland, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Perry Hall, Maryland get updated?

Air quality updates for Perry Hall, Maryland are available every hour.

What time in the past 24 hours saw the poorest air quality in Perry Hall, Maryland?

Perry Hall, Maryland experienced its worst air quality at 02:00:00, 2026-07-23.

When was air quality in Perry Hall, Maryland the best over the past 24 hours?

The best air quality in Perry Hall, Maryland was observed at 01:00:00 on 2026-07-23.

What is the air quality in Perry Hall, Maryland right now?

The air quality in Perry Hall, Maryland right now is Good, with an AQI of 45.

What pollutant is most frequently found in Perry Hall, Maryland?

In Perry Hall, Maryland, O3 is the most frequently found pollutant.

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

When air quality in Perry Hall, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Perry Hall, Maryland right now?

Perry Hall, Maryland currently has a PM_2.5 concentration of 4.193 μg/m³.

What is the current level of PM₁₀ in Perry Hall, Maryland?

Perry Hall, Maryland currently has a PM₁₀ concentration of 16.784 μg/m³.

What is the current level of carbon monoxide (CO) in Perry Hall, Maryland?

The current carbon monoxide (CO) level in Perry Hall, Maryland is 0.149 ppm.

What is the current level of sulfur dioxide (SO₂) in Perry Hall, Maryland?

The current sulfur dioxide (SO₂) concentration in Perry Hall, Maryland is 0.164 ppb.

What is the current level of ozone (O₃) in Perry Hall, Maryland?

Perry Hall, Maryland currently has an ozone (O₃) concentration of 49.046 ppm.

What is the current level of nitrogen dioxide (NO₂) in Perry Hall, Maryland?

The current level of nitrogen dioxide (NO₂) in Perry Hall, Maryland is 2.482 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	39 \| good	6.137 \| good	27.999 \| good	42.04 \| good	0.271 \| good	3.505 \| good	0.165 \| good
2026-07-22T00:00:00.000Z	36 \| good	5.248 \| good	24.662 \| good	39.296 \| good	0.251 \| good	4.97 \| good	0.224 \| good
2026-07-22T01:00:00.000Z	31 \| good	5.261 \| good	24.059 \| good	34.007 \| good	0.266 \| good	7.585 \| good	0.224 \| good
2026-07-22T02:00:00.000Z	31 \| good	4.964 \| good	21.621 \| good	34.047 \| good	0.268 \| good	7.653 \| good	0.241 \| good
2026-07-22T03:00:00.000Z	31 \| good	4.481 \| good	22.234 \| good	33.087 \| good	0.511 \| good	6.889 \| good	0.241 \| good
2026-07-22T04:00:00.000Z	29 \| good	4.27 \| good	19.806 \| good	30.955 \| good	0.38 \| good	7.092 \| good	0.248 \| good
2026-07-22T05:00:00.000Z	28 \| good	4.04 \| good	20.18 \| good	29.511 \| good	0.393 \| good	6.69 \| good	0.196 \| good
2026-07-22T06:00:00.000Z	28 \| good	4.175 \| good	22.196 \| good	30.423 \| good	0.259 \| good	5.756 \| good	0.22 \| good
2026-07-22T07:00:00.000Z	29 \| good	4.13 \| good	22.537 \| good	30.511 \| good	0.259 \| good	5.749 \| good	0.203 \| good
2026-07-22T08:00:00.000Z	27 \| good	2.565 \| good	11.105 \| good	28.591 \| good	0.326 \| good	5.36 \| good	0.203 \| good
2026-07-22T09:00:00.000Z	26 \| good	3.753 \| good	16.778 \| good	28.261 \| good	0.328 \| good	6.053 \| good	0.231 \| good
2026-07-22T10:00:00.000Z	24 \| good	4.223 \| good	18.321 \| good	25.725 \| good	0.262 \| good	8.169 \| good	0.248 \| good
2026-07-22T11:00:00.000Z	20 \| good	3.487 \| good	16.128 \| good	22.462 \| good	0.27 \| good	10.551 \| good	0.248 \| good
2026-07-22T12:00:00.000Z	22 \| good	3.863 \| good	15.53 \| good	22.684 \| good	0.297 \| good	8.244 \| good	0.263 \| good
2026-07-22T13:00:00.000Z	22 \| good	3.647 \| good	17.59 \| good	22.563 \| good	0.295 \| good	8.392 \| good	0.263 \| good
2026-07-22T14:00:00.000Z	31 \| good	4.611 \| good	20.993 \| good	32.606 \| good	0.375 \| good	3.639 \| good	0.263 \| good
2026-07-22T15:00:00.000Z	34 \| good	5.68 \| good	26.122 \| good	37.191 \| good	0.351 \| good	3.148 \| good	0.263 \| good
2026-07-22T16:00:00.000Z	44 \| good	8.321 \| good	37.341 \| good	41.363 \| good	0.279 \| good	2.436 \| good	0.248 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.518 \| good	37.035 \| good	44.663 \| good	0.212 \| good	2.41 \| good	0.231 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.189 \| good	38.439 \| good	47.06 \| good	0.232 \| good	2.246 \| good	0.208 \| good
2026-07-22T19:00:00.000Z	49 \| good	8.878 \| good	38.137 \| good	48.519 \| good	0.222 \| good	2.049 \| good	0.208 \| good
2026-07-22T20:00:00.000Z	49 \| good	9.334 \| good	40.609 \| good	49.261 \| good	0.219 \| good	1.902 \| good	0.203 \| good
2026-07-22T21:00:00.000Z	45 \| good	8.212 \| good	37.39 \| good	48.817 \| good	0.207 \| good	1.859 \| good	0.208 \| good
2026-07-22T22:00:00.000Z	49 \| good	8.602 \| good	37.053 \| good	49.291 \| good	0.206 \| good	2.115 \| good	0.208 \| good
2026-07-22T23:00:00.000Z	49 \| good	8.597 \| good	37.432 \| good	48.916 \| good	0.321 \| good	2.509 \| good	0.231 \| good
2026-07-23T00:00:00.000Z	49 \| good	8.692 \| good	40.086 \| good	46.653 \| good	0.216 \| good	3.048 \| good	0.231 \| good
2026-07-23T01:00:00.000Z	49 \| good	8.833 \| good	37.773 \| good	43.041 \| good	0.214 \| good	2.759 \| good	0.231 \| good
2026-07-23T02:00:00.000Z	49 \| good	8.759 \| good	38.156 \| good	40.521 \| good	0.188 \| good	3.118 \| good	0.231 \| good
2026-07-23T03:00:00.000Z	26 \| good	1.172 \| good	4.999 \| good	27.978 \| good	0.467 \| good	5.341 \| good	0.203 \| good
2026-07-23T04:00:00.000Z	38 \| good	7.031 \| good	30.919 \| good	37.005 \| good	0.198 \| good	2.511 \| good	0.203 \| good
2026-07-23T05:00:00.000Z	33 \| good	6.45 \| good	29.199 \| good	34.925 \| good	0.198 \| good	2.638 \| good	0.188 \| good
2026-07-23T06:00:00.000Z	33 \| good	5.98 \| good	25.781 \| good	32.111 \| good	0.202 \| good	2.905 \| good	0.164 \| good
2026-07-23T07:00:00.000Z	33 \| good	5.805 \| good	25.306 \| good	31.978 \| good	0.205 \| good	2.809 \| good	0.148 \| good
2026-07-23T08:00:00.000Z	33 \| good	5.506 \| good	24.065 \| good	26.947 \| good	0.327 \| good	4.068 \| good	0.148 \| good
2026-07-23T09:00:00.000Z	27 \| good	4.516 \| good	19.51 \| good	25.343 \| good	0.364 \| good	4.401 \| good	0.131 \| good
2026-07-23T10:00:00.000Z	27 \| good	4.787 \| good	19.75 \| good	24.26 \| good	0.364 \| good	5.768 \| good	0.148 \| good
2026-07-23T11:00:00.000Z	27 \| good	4.779 \| good	19.208 \| good	23.012 \| good	0.42 \| good	6.05 \| good	0.148 \| good
2026-07-23T12:00:00.000Z	21 \| good	3.221 \| good	13.986 \| good	22.974 \| good	0.418 \| good	4.981 \| good	0.148 \| good
2026-07-23T13:00:00.000Z	21 \| good	3.344 \| good	14.513 \| good	22.82 \| good	0.441 \| good	4.902 \| good	0.148 \| good
2026-07-23T14:00:00.000Z	28 \| good	3.754 \| good	16.237 \| good	30.049 \| good	0.206 \| good	2.598 \| good	0.148 \| good
2026-07-23T15:00:00.000Z	31 \| good	4.092 \| good	17.675 \| good	33.016 \| good	0.206 \| good	2.202 \| good	0.148 \| good
2026-07-23T16:00:00.000Z	34 \| good	4.033 \| good	17.18 \| good	37.482 \| good	0.201 \| good	1.724 \| good	0.148 \| good
2026-07-23T17:00:00.000Z	38 \| good	4.56 \| good	19.366 \| good	40.8 \| good	0.357 \| good	1.667 \| good	0.148 \| good
2026-07-23T18:00:00.000Z	40 \| good	4.523 \| good	19.186 \| good	43.368 \| good	0.206 \| good	2.025 \| good	0.148 \| good
2026-07-23T19:00:00.000Z	43 \| good	4.722 \| good	20.281 \| good	46.395 \| good	0.206 \| good	1.759 \| good	0.148 \| good
2026-07-23T20:00:00.000Z	45 \| good	4.975 \| good	20.667 \| good	48.542 \| good	0.184 \| good	2.141 \| good	0.148 \| good
2026-07-23T21:00:00.000Z	45 \| good	5.16 \| good	21.755 \| good	49.186 \| good	0.194 \| good	2.407 \| good	0.148 \| good
2026-07-23T22:00:00.000Z	45 \| good	4.193 \| good	16.784 \| good	49.046 \| good	0.164 \| good	2.482 \| good	0.149 \| good
2026-07-23T23:00:00.000Z	42 \| good	0.807 \| good	3.141 \| good	45.171 \| good	0.53 \| good	1.748 \| good	0.144 \| good
2026-07-24T00:00:00.000Z	34 \| good	1.029 \| good	4.161 \| good	36.559 \| good	0.564 \| good	4.327 \| good	0.167 \| good
2026-07-24T01:00:00.000Z	31 \| good	1.186 \| good	5.046 \| good	32.561 \| good	0.63 \| good	7.542 \| good	0.19 \| good
2026-07-24T02:00:00.000Z	22 \| good	1.27 \| good	5.148 \| good	24.173 \| good	0.694 \| good	9.224 \| good	0.201 \| good
2026-07-24T03:00:00.000Z	19 \| good	1.446 \| good	6.142 \| good	19.952 \| good	0.736 \| good	10.802 \| good	0.21 \| good
2026-07-24T04:00:00.000Z	17 \| good	1.393 \| good	5.292 \| good	17.713 \| good	0.733 \| good	12.401 \| good	0.221 \| good
2026-07-24T05:00:00.000Z	17 \| good	1.781 \| good	7.281 \| good	17.663 \| good	0.691 \| good	13.264 \| good	0.23 \| good
2026-07-24T06:00:00.000Z	16 \| good	1.603 \| good	6.827 \| good	16.844 \| good	0.64 \| good	13.443 \| good	0.231 \| good
2026-07-24T07:00:00.000Z	14 \| good	0.874 \| good	3.597 \| good	15.3 \| good	0.592 \| good	13.201 \| good	0.229 \| good
2026-07-24T08:00:00.000Z	17 \| good	1.202 \| good	4.713 \| good	18.16 \| good	0.56 \| good	12.85 \| good	0.225 \| good
2026-07-24T09:00:00.000Z	18 \| good	2.975 \| good	11.932 \| good	18.506 \| good	0.541 \| good	12.349 \| good	0.219 \| good
2026-07-24T10:00:00.000Z	27 \| good	4.975 \| good	21.124 \| good	15.891 \| good	0.517 \| good	11.584 \| good	0.213 \| good
2026-07-24T11:00:00.000Z	22 \| good	3.596 \| good	15.612 \| good	17.837 \| good	0.489 \| good	9.408 \| good	0.204 \| good
2026-07-24T12:00:00.000Z	33 \| good	5.846 \| good	26.161 \| good	25.123 \| good	0.498 \| good	6.946 \| good	0.191 \| good
2026-07-24T13:00:00.000Z	31 \| good	5.26 \| good	22.734 \| good	33.146 \| good	0.535 \| good	4.097 \| good	0.168 \| good
2026-07-24T14:00:00.000Z	38 \| good	6.91 \| good	30.754 \| good	41.323 \| good	0.541 \| good	2.22 \| good	0.155 \| good
2026-07-24T15:00:00.000Z	45 \| good	5.679 \| good	24.674 \| good	48.818 \| good	0.512 \| good	1.249 \| good	0.147 \| good
2026-07-24T16:00:00.000Z	46 \| good	2.593 \| good	10.335 \| good	50.449 \| good	0.469 \| good	0.874 \| good	0.143 \| good
2026-07-24T17:00:00.000Z	45 \| good	1.042 \| good	4.123 \| good	48.801 \| good	0.444 \| good	0.742 \| good	0.143 \| good
2026-07-24T18:00:00.000Z	43 \| good	0.621 \| good	2.17 \| good	46.462 \| good	0.423 \| good	0.719 \| good	0.143 \| good
2026-07-24T19:00:00.000Z	42 \| good	0.816 \| good	2.925 \| good	45.234 \| good	0.405 \| good	0.759 \| good	0.144 \| good
2026-07-24T20:00:00.000Z	44 \| good	0.638 \| good	2.662 \| good	47.381 \| good	0.39 \| good	0.853 \| good	0.145 \| good
2026-07-24T21:00:00.000Z	43 \| good	0.803 \| good	3.127 \| good	46.381 \| good	0.372 \| good	1.044 \| good	0.146 \| good
2026-07-24T22:00:00.000Z	42 \| good	0.83 \| good	3.189 \| good	44.64 \| good	0.351 \| good	1.536 \| good	0.149 \| good
2026-07-24T23:00:00.000Z	40 \| good	0.212 \| good	0.458 \| good	42.893 \| good	0.327 \| good	2.447 \| good	0.156 \| good
2026-07-25T00:00:00.000Z	31 \| good	0.973 \| good	3.742 \| good	34.341 \| good	0.306 \| good	3.005 \| good	0.157 \| good
2026-07-25T01:00:00.000Z	31 \| good	0.67 \| good	2.666 \| good	32.798 \| good	0.282 \| good	3.105 \| good	0.152 \| good
2026-07-25T02:00:00.000Z	30 \| good	1.17 \| good	4.769 \| good	32.085 \| good	0.266 \| good	3.287 \| good	0.148 \| good
2026-07-25T03:00:00.000Z	28 \| good	0.526 \| good	1.988 \| good	29.861 \| good	0.258 \| good	3.619 \| good	0.145 \| good
2026-07-25T04:00:00.000Z	25 \| good	0.505 \| good	1.742 \| good	26.54 \| good	0.258 \| good	3.953 \| good	0.144 \| good
2026-07-25T05:00:00.000Z	21 \| good	1.111 \| good	4.76 \| good	23.245 \| good	0.263 \| good	4.235 \| good	0.143 \| good
2026-07-25T06:00:00.000Z	20 \| good	1.216 \| good	4.722 \| good	21.885 \| good	0.271 \| good	4.642 \| good	0.143 \| good
2026-07-25T07:00:00.000Z	16 \| good	0.042 \| good	0.125 \| good	17.294 \| good	0.283 \| good	5.509 \| good	0.145 \| good
2026-07-25T08:00:00.000Z	17 \| good	0.647 \| good	2 \| good	17.693 \| good	0.3 \| good	6.703 \| good	0.149 \| good
2026-07-25T09:00:00.000Z	10 \| good	0.899 \| good	3.542 \| good	11.262 \| good	0.311 \| good	7.669 \| good	0.153 \| good
2026-07-25T10:00:00.000Z	11 \| good	2.081 \| good	8.493 \| good	10.451 \| good	0.324 \| good	7.831 \| good	0.153 \| good
2026-07-25T11:00:00.000Z	16 \| good	3.335 \| good	14.722 \| good	12.976 \| good	0.329 \| good	7.294 \| good	0.154 \| good
2026-07-25T12:00:00.000Z	38 \| good	7.47 \| good	33.015 \| good	17.386 \| good	0.367 \| good	5.436 \| good	0.152 \| good
2026-07-25T13:00:00.000Z	23 \| good	4.112 \| good	17.872 \| good	24.573 \| good	0.41 \| good	2.789 \| good	0.138 \| good
2026-07-25T14:00:00.000Z	30 \| good	2.058 \| good	8.123 \| good	31.706 \| good	0.372 \| good	1.573 \| good	0.133 \| good
2026-07-25T15:00:00.000Z	33 \| good	0.86 \| good	3.151 \| good	36.162 \| good	0.321 \| good	0.98 \| good	0.132 \| good
2026-07-25T16:00:00.000Z	36 \| good	0.88 \| good	3.211 \| good	39.412 \| good	0.284 \| good	0.717 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	40 \| good	0.901 \| good	3.293 \| good	42.686 \| good	0.255 \| good	0.605 \| good	0.133 \| good
2026-07-25T18:00:00.000Z	43 \| good	0.28 \| good	1.075 \| good	46.309 \| good	0.23 \| good	0.564 \| good	0.133 \| good
2026-07-25T19:00:00.000Z	46 \| good	1.171 \| good	4.809 \| good	49.649 \| good	0.211 \| good	0.563 \| good	0.133 \| good
2026-07-25T20:00:00.000Z	47 \| good	0.976 \| good	3.789 \| good	50.86 \| good	0.201 \| good	0.585 \| good	0.133 \| good
2026-07-25T21:00:00.000Z	45 \| good	1.266 \| good	4.891 \| good	48.91 \| good	0.197 \| good	0.657 \| good	0.133 \| good
2026-07-25T22:00:00.000Z	44 \| good	1.317 \| good	5.282 \| good	46.938 \| good	0.199 \| good	0.847 \| good	0.134 \| good

Current air quality index in Perry Hall, Maryland today

Common air pollutants in Perry Hall, Maryland

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Perry Hall, Maryland air quality forecast and history

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Real-time air quality map: Monitor AQI near Perry Hall, Maryland

Air quality in nearby cities

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White Marsh, Maryland

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Frequently asked questions

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What is the air quality in Perry Hall, Maryland right now?

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What is the PM2.5 concentration in Perry Hall, Maryland right now?

What is the current level of PM10 in Perry Hall, Maryland?

What is the current level of carbon monoxide (CO) in Perry Hall, Maryland?

What is the current level of sulfur dioxide (SO2) in Perry Hall, Maryland?

What is the current level of ozone (O3) in Perry Hall, Maryland?

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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 concentration in Perry Hall, Maryland right now?

What is the current level of PM₁₀ in Perry Hall, Maryland?

What is the current level of sulfur dioxide (SO₂) in Perry Hall, Maryland?

What is the current level of ozone (O₃) in Perry Hall, Maryland?

What is the current level of nitrogen dioxide (NO₂) in Perry Hall, Maryland?