What is the PM10 level in Mequon, Wisconsin at the moment?

The PM10 concentration in Mequon, Wisconsin is 4.325 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Mequon, Wisconsin at the moment?

Currently, Mequon, Wisconsin has a sulfur dioxide (SO2) concentration of 0.876 ppb.

What is the ozone (O3) level in Mequon, Wisconsin at the moment?

The current ozone (O3) level in Mequon, Wisconsin at the moment is 17.204 ppm.

What is the nitrogen dioxide (NO2) level in Mequon, Wisconsin at the moment?

Nitrogen dioxide (NO2) level in Mequon, Wisconsin at the moment is 4.153 ppb.

Live air quality index in Mequon, Wisconsin today

Q: What is the PM2.5 level in Mequon, Wisconsin at the moment?

PM2.5 levels in Mequon, Wisconsin are currently 1.205 μg/m3.

Stay updated with real-time air quality in Mequon, Wisconsin 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

Mequon, Wisconsin

Last updated: ... (Local time)

Major air pollutants in Mequon, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.77 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.04 μg/m³

155

255

425

605+

Ozone (O₃)

6.26 ppb

201

201+

Sulfur Dioxide (SO₂)

1.07 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.88 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Mequon, Wisconsin

Get Live Pollen Counts

Mequon, Wisconsin

Scroll To Air Quality Map

Track live Mequon, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-22T08:00:00.000Z	18 \| good	0.94 \| good	2.65 \| good	19.013 \| good	1.004 \| good	2.099 \| good	0.126 \| good
2025-10-22T09:00:00.000Z	19 \| good	0.808 \| good	2.827 \| good	20.052 \| good	0.891 \| good	1.973 \| good	0.1 \| good
2025-10-22T10:00:00.000Z	18 \| good	0.839 \| good	2.891 \| good	19.107 \| good	0.756 \| good	2.238 \| good	0.118 \| good
2025-10-22T11:00:00.000Z	19 \| good	0.916 \| good	3.391 \| good	20.177 \| good	0.801 \| good	3.145 \| good	0.177 \| good
2025-10-22T12:00:00.000Z	18 \| good	0.737 \| good	2 \| good	19.113 \| good	0.873 \| good	3.951 \| good	0.181 \| good
2025-10-22T13:00:00.000Z	16 \| good	0.748 \| good	2.375 \| good	17.357 \| good	0.833 \| good	4.17 \| good	0.21 \| good
2025-10-22T14:00:00.000Z	19 \| good	0.701 \| good	2.993 \| good	20.293 \| good	0.741 \| good	4.154 \| good	0.205 \| good
2025-10-22T15:00:00.000Z	18 \| good	0.697 \| good	3.088 \| good	19.146 \| good	0.853 \| good	4.034 \| good	0.203 \| good
2025-10-22T16:00:00.000Z	15 \| good	0.712 \| good	3.296 \| good	16.07 \| good	0.861 \| good	4.116 \| good	0.203 \| good
2025-10-22T17:00:00.000Z	17 \| good	0.736 \| good	3.295 \| good	17.985 \| good	0.869 \| good	3.923 \| good	0.203 \| good
2025-10-22T18:00:00.000Z	14 \| good	0.947 \| good	3.227 \| good	15.089 \| good	0.816 \| good	3.485 \| good	0.179 \| good
2025-10-22T19:00:00.000Z	17 \| good	0.955 \| good	3.015 \| good	17.728 \| good	0.753 \| good	3.647 \| good	0.203 \| good
2025-10-22T20:00:00.000Z	16 \| good	1.018 \| good	3.76 \| good	17.494 \| good	0.814 \| good	3.612 \| good	0.248 \| good
2025-10-22T21:00:00.000Z	16 \| good	1.137 \| good	3.133 \| good	17.373 \| good	0.773 \| good	3.388 \| good	0.279 \| good
2025-10-22T22:00:00.000Z	18 \| good	1.21 \| good	3.776 \| good	18.658 \| good	0.848 \| good	3.567 \| good	0.278 \| good
2025-10-22T23:00:00.000Z	15 \| good	1.156 \| good	4.004 \| good	16.254 \| good	0.863 \| good	3.73 \| good	0.278 \| good
2025-10-23T00:00:00.000Z	16 \| good	1.159 \| good	4.041 \| good	16.612 \| good	0.829 \| good	3.944 \| good	0.248 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.25 \| good	4.417 \| good	15.098 \| good	0.782 \| good	3.733 \| good	0.185 \| good
2025-10-23T02:00:00.000Z	14 \| good	1.216 \| good	3.488 \| good	15.314 \| good	0.84 \| good	3.333 \| good	0.215 \| good
2025-10-23T03:00:00.000Z	14 \| good	1.009 \| good	3.385 \| good	15.146 \| good	0.801 \| good	3.277 \| good	0.215 \| good
2025-10-23T04:00:00.000Z	14 \| good	1.184 \| good	3.335 \| good	14.719 \| good	0.775 \| good	3.344 \| good	0.215 \| good
2025-10-23T05:00:00.000Z	14 \| good	1.175 \| good	4.109 \| good	14.763 \| good	0.797 \| good	3.09 \| good	0.238 \| good
2025-10-23T06:00:00.000Z	14 \| good	1.226 \| good	3.74 \| good	15.067 \| good	0.792 \| good	3.544 \| good	0.223 \| good
2025-10-23T07:00:00.000Z	13 \| good	1.201 \| good	3.66 \| good	14.468 \| good	0.807 \| good	3.578 \| good	0.217 \| good
2025-10-23T08:00:00.000Z	13 \| good	1.207 \| good	4.068 \| good	13.979 \| good	0.796 \| good	3.711 \| good	0.211 \| good
2025-10-23T09:00:00.000Z	13 \| good	1.248 \| good	3.218 \| good	14.166 \| good	0.771 \| good	3.34 \| good	0.194 \| good
2025-10-23T10:00:00.000Z	11 \| good	1.298 \| good	4.479 \| good	12.402 \| good	0.845 \| good	4.293 \| good	0.205 \| good
2025-10-23T11:00:00.000Z	11 \| good	1.388 \| good	4.273 \| good	12.239 \| good	0.997 \| good	4.25 \| good	0.28 \| good
2025-10-23T12:00:00.000Z	16 \| good	1.34 \| good	3.364 \| good	16.856 \| good	0.931 \| good	5.538 \| good	0.297 \| good
2025-10-23T13:00:00.000Z	16 \| good	1.323 \| good	3.594 \| good	17.306 \| good	0.965 \| good	5.55 \| good	0.298 \| good
2025-10-23T14:00:00.000Z	13 \| good	1.205 \| good	3.656 \| good	13.989 \| good	0.861 \| good	5.648 \| good	0.38 \| good
2025-10-23T15:00:00.000Z	11 \| good	1.152 \| good	4.56 \| good	11.899 \| good	0.983 \| good	4.398 \| good	0.26 \| good
2025-10-23T16:00:00.000Z	12 \| good	0.989 \| good	3.059 \| good	12.812 \| good	1.225 \| good	4.337 \| good	0.278 \| good
2025-10-23T17:00:00.000Z	16 \| good	1.039 \| good	3.483 \| good	17.495 \| good	1.108 \| good	4.279 \| good	0.272 \| good
2025-10-23T18:00:00.000Z	15 \| good	0.999 \| good	3.669 \| good	16.121 \| good	0.961 \| good	4.417 \| good	0.179 \| good
2025-10-23T19:00:00.000Z	17 \| good	1.18 \| good	3.131 \| good	18.164 \| good	0.94 \| good	4.773 \| good	0.248 \| good
2025-10-23T20:00:00.000Z	19 \| good	1.514 \| good	3.906 \| good	19.882 \| good	1.045 \| good	6.12 \| good	0.346 \| good
2025-10-23T21:00:00.000Z	20 \| good	1.922 \| good	5.128 \| good	21.557 \| good	1.147 \| good	5.181 \| good	0.324 \| good
2025-10-23T22:00:00.000Z	19 \| good	2.037 \| good	6.165 \| good	21.414 \| good	1.082 \| good	5.247 \| good	0.346 \| good
2025-10-23T23:00:00.000Z	20 \| good	1.801 \| good	5.466 \| good	22.148 \| good	1.005 \| good	5.238 \| good	0.316 \| good
2025-10-24T00:00:00.000Z	23 \| good	2.111 \| good	6.197 \| good	24.767 \| good	1.046 \| good	4.7 \| good	0.292 \| good
2025-10-24T01:00:00.000Z	22 \| good	2.616 \| good	6.973 \| good	24.237 \| good	1.337 \| good	6.634 \| good	0.255 \| good
2025-10-24T02:00:00.000Z	19 \| good	2.815 \| good	6.739 \| good	20.234 \| good	1.12 \| good	7.12 \| good	0.372 \| good
2025-10-24T03:00:00.000Z	17 \| good	0.399 \| good	1.117 \| good	17.521 \| good	0.481 \| good	3.353 \| good	0.129 \| good
2025-10-24T04:00:00.000Z	16 \| good	3.015 \| good	9.397 \| good	14.44 \| good	1.011 \| good	7.835 \| good	0.212 \| good
2025-10-24T05:00:00.000Z	16 \| good	2.781 \| good	7.803 \| good	15.15 \| good	1.018 \| good	7.008 \| good	0.225 \| good
2025-10-24T06:00:00.000Z	16 \| good	2.804 \| good	7.164 \| good	12.871 \| good	1.023 \| good	7.059 \| good	0.231 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.779 \| good	8.27 \| good	12.857 \| good	1.082 \| good	6.918 \| good	0.237 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.772 \| good	10.042 \| good	6.261 \| good	1.069 \| good	6.88 \| good	0.23 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.237 \| good	5.079 \| good	15.474 \| good	0.37 \| good	2.324 \| good	0.132 \| good
2025-10-23T02:00:00.000Z	17 \| good	0.279 \| good	0.856 \| good	17.727 \| good	0.417 \| good	2.264 \| good	0.133 \| good
2025-10-23T03:00:00.000Z	18 \| good	0.626 \| good	2 \| good	18.581 \| good	0.464 \| good	2.204 \| good	0.134 \| good
2025-10-23T04:00:00.000Z	19 \| good	0.594 \| good	2 \| good	20.729 \| good	0.489 \| good	2.133 \| good	0.133 \| good
2025-10-23T05:00:00.000Z	19 \| good	0.613 \| good	2 \| good	20.549 \| good	0.514 \| good	2.061 \| good	0.133 \| good
2025-10-23T06:00:00.000Z	18 \| good	0.623 \| good	2 \| good	18.618 \| good	0.539 \| good	1.99 \| good	0.133 \| good
2025-10-23T07:00:00.000Z	17 \| good	0.205 \| good	0.295 \| good	18.082 \| good	0.536 \| good	1.901 \| good	0.131 \| good
2025-10-23T08:00:00.000Z	17 \| good	0.624 \| good	2 \| good	18.05 \| good	0.532 \| good	1.811 \| good	0.129 \| good
2025-10-23T09:00:00.000Z	19 \| good	0.639 \| good	2 \| good	19.766 \| good	0.528 \| good	1.722 \| good	0.127 \| good
2025-10-23T10:00:00.000Z	20 \| good	0.321 \| good	0.978 \| good	22.363 \| good	0.529 \| good	1.862 \| good	0.127 \| good
2025-10-23T11:00:00.000Z	18 \| good	0.5 \| good	1.897 \| good	18.631 \| good	0.531 \| good	2.002 \| good	0.127 \| good
2025-10-23T12:00:00.000Z	13 \| good	0.663 \| good	2.255 \| good	14.26 \| good	0.532 \| good	2.143 \| good	0.127 \| good
2025-10-23T13:00:00.000Z	16 \| good	0.239 \| good	0.981 \| good	16.793 \| good	0.533 \| good	1.985 \| good	0.126 \| good
2025-10-23T14:00:00.000Z	18 \| good	0.227 \| good	0.878 \| good	19.01 \| good	0.533 \| good	1.828 \| good	0.126 \| good
2025-10-23T15:00:00.000Z	19 \| good	0.466 \| good	2 \| good	21.041 \| good	0.534 \| good	1.67 \| good	0.125 \| good
2025-10-23T16:00:00.000Z	21 \| good	0.966 \| good	3.947 \| good	22.918 \| good	0.472 \| good	1.51 \| good	0.124 \| good
2025-10-23T17:00:00.000Z	21 \| good	1.228 \| good	5.007 \| good	22.94 \| good	0.411 \| good	1.35 \| good	0.122 \| good
2025-10-23T18:00:00.000Z	20 \| good	1.038 \| good	4.254 \| good	22.369 \| good	0.349 \| good	1.19 \| good	0.12 \| good
2025-10-23T19:00:00.000Z	19 \| good	1.005 \| good	4.009 \| good	20.904 \| good	0.329 \| good	1.208 \| good	0.12 \| good
2025-10-23T20:00:00.000Z	21 \| good	0.988 \| good	3.98 \| good	23.314 \| good	0.308 \| good	1.227 \| good	0.119 \| good
2025-10-23T21:00:00.000Z	22 \| good	0.267 \| good	0.907 \| good	24.445 \| good	0.288 \| good	1.245 \| good	0.118 \| good
2025-10-23T22:00:00.000Z	23 \| good	0.675 \| good	2.276 \| good	25.394 \| good	0.311 \| good	1.753 \| good	0.122 \| good
2025-10-23T23:00:00.000Z	18 \| good	1.141 \| good	4.842 \| good	19.419 \| good	0.333 \| good	2.261 \| good	0.127 \| good
2025-10-24T00:00:00.000Z	11 \| good	1.662 \| good	6.978 \| good	11.9 \| good	0.355 \| good	2.768 \| good	0.131 \| good
2025-10-24T01:00:00.000Z	11 \| good	1.541 \| good	6.14 \| good	10.222 \| good	0.387 \| good	3.02 \| good	0.134 \| good
2025-10-24T02:00:00.000Z	11 \| good	1.246 \| good	4.905 \| good	11.732 \| good	0.419 \| good	3.272 \| good	0.137 \| good
2025-10-24T03:00:00.000Z	13 \| good	0.988 \| good	3.989 \| good	14.038 \| good	0.451 \| good	3.523 \| good	0.14 \| good
2025-10-24T04:00:00.000Z	15 \| good	0.691 \| good	2.676 \| good	15.934 \| good	0.462 \| good	3.535 \| good	0.14 \| good
2025-10-24T05:00:00.000Z	13 \| good	0.314 \| good	1.139 \| good	13.919 \| good	0.473 \| good	3.547 \| good	0.141 \| good
2025-10-24T06:00:00.000Z	12 \| good	0.34 \| good	1.158 \| good	13.2 \| good	0.483 \| good	3.559 \| good	0.141 \| good
2025-10-24T07:00:00.000Z	14 \| good	0.335 \| good	1.35 \| good	14.55 \| good	0.534 \| good	3.643 \| good	0.142 \| good
2025-10-24T08:00:00.000Z	14 \| good	0.483 \| good	2 \| good	15.387 \| good	0.584 \| good	3.728 \| good	0.143 \| good
2025-10-24T09:00:00.000Z	14 \| good	0.56 \| good	2.014 \| good	15.103 \| good	0.635 \| good	3.813 \| good	0.143 \| good
2025-10-24T10:00:00.000Z	18 \| good	1.222 \| good	4.981 \| good	19.18 \| good	0.707 \| good	4.423 \| good	0.147 \| good
2025-10-24T11:00:00.000Z	14 \| good	1.861 \| good	7.893 \| good	14.833 \| good	0.779 \| good	5.032 \| good	0.151 \| good
2025-10-24T12:00:00.000Z	11 \| good	2.419 \| good	9.893 \| good	10.957 \| good	0.851 \| good	5.642 \| good	0.156 \| good
2025-10-24T13:00:00.000Z	16 \| good	2.941 \| good	12.143 \| good	11.501 \| good	0.944 \| good	5.194 \| good	0.16 \| good
2025-10-24T14:00:00.000Z	16 \| good	2.681 \| good	11.12 \| good	16.739 \| good	1.038 \| good	4.746 \| good	0.164 \| good
2025-10-24T15:00:00.000Z	19 \| good	2.805 \| good	11.266 \| good	20.611 \| good	1.132 \| good	4.298 \| good	0.168 \| good
2025-10-24T16:00:00.000Z	22 \| good	2.761 \| good	11.232 \| good	23.814 \| good	0.92 \| good	3.287 \| good	0.155 \| good
2025-10-24T17:00:00.000Z	24 \| good	2.335 \| good	9.878 \| good	25.973 \| good	0.709 \| good	2.276 \| good	0.142 \| good
2025-10-24T18:00:00.000Z	24 \| good	2.44 \| good	9.947 \| good	25.733 \| good	0.497 \| good	1.265 \| good	0.129 \| good
2025-10-24T19:00:00.000Z	22 \| good	2.36 \| good	9.878 \| good	23.596 \| good	0.52 \| good	1.392 \| good	0.13 \| good
2025-10-24T20:00:00.000Z	22 \| good	3.434 \| good	15.258 \| good	23.686 \| good	0.544 \| good	1.518 \| good	0.13 \| good
2025-10-24T21:00:00.000Z	27 \| good	4.708 \| good	20.521 \| good	25.356 \| good	0.567 \| good	1.645 \| good	0.131 \| good
2025-10-24T22:00:00.000Z	44 \| good	8.419 \| good	37.171 \| good	23.398 \| good	0.662 \| good	6.327 \| good	0.169 \| good
2025-10-24T23:00:00.000Z	54 \| moderate	11.092 \| good	49.224 \| good	16.443 \| good	0.756 \| good	11.01 \| good	0.207 \| good
2025-10-25T00:00:00.000Z	52 \| moderate	9.704 \| good	10.041 \| good	19.639 \| good	0.856 \| good	15.915 \| good	0.246 \| good

Mequon

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Mequon, Wisconsin air quality map: Stay updated on AQI near you

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How accurate is Wisconsin, USA air quality data?

Air quality and pollutant data for Wisconsin, 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 Mequon, Wisconsin?

The air quality information for Mequon, Wisconsin is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Mequon, Wisconsin at its worst?

In the past 24 hours, the air quality in Mequon, Wisconsin was at its worst at 09:00:00 on 2025-10-22.

When did Mequon, Wisconsin experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Mequon, Wisconsin was observed at 06:00:00 on 2025-10-22.

What is the AQI in Mequon, Wisconsin right now?

As of now, the AQI in Mequon, Wisconsin is 16, indicating Good conditions.

What is the most common type of pollution in Mequon, Wisconsin?

Mequon, Wisconsin air has the highest levels of O3.

What should I do in case of poor air quality in Mequon, Wisconsin?

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

What is the PM_2.5 level in Mequon, Wisconsin at the moment?

PM_2.5 levels in Mequon, Wisconsin are currently 1.205 μg/m³.

What is the PM₁₀ level in Mequon, Wisconsin at the moment?

The PM₁₀ concentration in Mequon, Wisconsin is 4.325 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Mequon, Wisconsin at the moment?

The current carbon monoxide (CO) concentration in Mequon, Wisconsin is 0.257 ppm.

What is the sulfur dioxide (SO₂) level in Mequon, Wisconsin at the moment?

Currently, Mequon, Wisconsin has a sulfur dioxide (SO₂) concentration of 0.876 ppb.

What is the ozone (O₃) level in Mequon, Wisconsin at the moment?

The current ozone (O₃) level in Mequon, Wisconsin at the moment is 17.204 ppm.

What is the nitrogen dioxide (NO₂) level in Mequon, Wisconsin at the moment?

Nitrogen dioxide (NO₂) level in Mequon, Wisconsin at the moment is 4.153 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-22T08:00:00.000Z	18 \| good	0.94 \| good	2.65 \| good	19.013 \| good	1.004 \| good	2.099 \| good	0.126 \| good
2025-10-22T09:00:00.000Z	19 \| good	0.808 \| good	2.827 \| good	20.052 \| good	0.891 \| good	1.973 \| good	0.1 \| good
2025-10-22T10:00:00.000Z	18 \| good	0.839 \| good	2.891 \| good	19.107 \| good	0.756 \| good	2.238 \| good	0.118 \| good
2025-10-22T11:00:00.000Z	19 \| good	0.916 \| good	3.391 \| good	20.177 \| good	0.801 \| good	3.145 \| good	0.177 \| good
2025-10-22T12:00:00.000Z	18 \| good	0.737 \| good	2 \| good	19.113 \| good	0.873 \| good	3.951 \| good	0.181 \| good
2025-10-22T13:00:00.000Z	16 \| good	0.748 \| good	2.375 \| good	17.357 \| good	0.833 \| good	4.17 \| good	0.21 \| good
2025-10-22T14:00:00.000Z	19 \| good	0.701 \| good	2.993 \| good	20.293 \| good	0.741 \| good	4.154 \| good	0.205 \| good
2025-10-22T15:00:00.000Z	18 \| good	0.697 \| good	3.088 \| good	19.146 \| good	0.853 \| good	4.034 \| good	0.203 \| good
2025-10-22T16:00:00.000Z	15 \| good	0.712 \| good	3.296 \| good	16.07 \| good	0.861 \| good	4.116 \| good	0.203 \| good
2025-10-22T17:00:00.000Z	17 \| good	0.736 \| good	3.295 \| good	17.985 \| good	0.869 \| good	3.923 \| good	0.203 \| good
2025-10-22T18:00:00.000Z	14 \| good	0.947 \| good	3.227 \| good	15.089 \| good	0.816 \| good	3.485 \| good	0.179 \| good
2025-10-22T19:00:00.000Z	17 \| good	0.955 \| good	3.015 \| good	17.728 \| good	0.753 \| good	3.647 \| good	0.203 \| good
2025-10-22T20:00:00.000Z	16 \| good	1.018 \| good	3.76 \| good	17.494 \| good	0.814 \| good	3.612 \| good	0.248 \| good
2025-10-22T21:00:00.000Z	16 \| good	1.137 \| good	3.133 \| good	17.373 \| good	0.773 \| good	3.388 \| good	0.279 \| good
2025-10-22T22:00:00.000Z	18 \| good	1.21 \| good	3.776 \| good	18.658 \| good	0.848 \| good	3.567 \| good	0.278 \| good
2025-10-22T23:00:00.000Z	15 \| good	1.156 \| good	4.004 \| good	16.254 \| good	0.863 \| good	3.73 \| good	0.278 \| good
2025-10-23T00:00:00.000Z	16 \| good	1.159 \| good	4.041 \| good	16.612 \| good	0.829 \| good	3.944 \| good	0.248 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.25 \| good	4.417 \| good	15.098 \| good	0.782 \| good	3.733 \| good	0.185 \| good
2025-10-23T02:00:00.000Z	14 \| good	1.216 \| good	3.488 \| good	15.314 \| good	0.84 \| good	3.333 \| good	0.215 \| good
2025-10-23T03:00:00.000Z	14 \| good	1.009 \| good	3.385 \| good	15.146 \| good	0.801 \| good	3.277 \| good	0.215 \| good
2025-10-23T04:00:00.000Z	14 \| good	1.184 \| good	3.335 \| good	14.719 \| good	0.775 \| good	3.344 \| good	0.215 \| good
2025-10-23T05:00:00.000Z	14 \| good	1.175 \| good	4.109 \| good	14.763 \| good	0.797 \| good	3.09 \| good	0.238 \| good
2025-10-23T06:00:00.000Z	14 \| good	1.226 \| good	3.74 \| good	15.067 \| good	0.792 \| good	3.544 \| good	0.223 \| good
2025-10-23T07:00:00.000Z	13 \| good	1.201 \| good	3.66 \| good	14.468 \| good	0.807 \| good	3.578 \| good	0.217 \| good
2025-10-23T08:00:00.000Z	13 \| good	1.207 \| good	4.068 \| good	13.979 \| good	0.796 \| good	3.711 \| good	0.211 \| good
2025-10-23T09:00:00.000Z	13 \| good	1.248 \| good	3.218 \| good	14.166 \| good	0.771 \| good	3.34 \| good	0.194 \| good
2025-10-23T10:00:00.000Z	11 \| good	1.298 \| good	4.479 \| good	12.402 \| good	0.845 \| good	4.293 \| good	0.205 \| good
2025-10-23T11:00:00.000Z	11 \| good	1.388 \| good	4.273 \| good	12.239 \| good	0.997 \| good	4.25 \| good	0.28 \| good
2025-10-23T12:00:00.000Z	16 \| good	1.34 \| good	3.364 \| good	16.856 \| good	0.931 \| good	5.538 \| good	0.297 \| good
2025-10-23T13:00:00.000Z	16 \| good	1.323 \| good	3.594 \| good	17.306 \| good	0.965 \| good	5.55 \| good	0.298 \| good
2025-10-23T14:00:00.000Z	13 \| good	1.205 \| good	3.656 \| good	13.989 \| good	0.861 \| good	5.648 \| good	0.38 \| good
2025-10-23T15:00:00.000Z	11 \| good	1.152 \| good	4.56 \| good	11.899 \| good	0.983 \| good	4.398 \| good	0.26 \| good
2025-10-23T16:00:00.000Z	12 \| good	0.989 \| good	3.059 \| good	12.812 \| good	1.225 \| good	4.337 \| good	0.278 \| good
2025-10-23T17:00:00.000Z	16 \| good	1.039 \| good	3.483 \| good	17.495 \| good	1.108 \| good	4.279 \| good	0.272 \| good
2025-10-23T18:00:00.000Z	15 \| good	0.999 \| good	3.669 \| good	16.121 \| good	0.961 \| good	4.417 \| good	0.179 \| good
2025-10-23T19:00:00.000Z	17 \| good	1.18 \| good	3.131 \| good	18.164 \| good	0.94 \| good	4.773 \| good	0.248 \| good
2025-10-23T20:00:00.000Z	19 \| good	1.514 \| good	3.906 \| good	19.882 \| good	1.045 \| good	6.12 \| good	0.346 \| good
2025-10-23T21:00:00.000Z	20 \| good	1.922 \| good	5.128 \| good	21.557 \| good	1.147 \| good	5.181 \| good	0.324 \| good
2025-10-23T22:00:00.000Z	19 \| good	2.037 \| good	6.165 \| good	21.414 \| good	1.082 \| good	5.247 \| good	0.346 \| good
2025-10-23T23:00:00.000Z	20 \| good	1.801 \| good	5.466 \| good	22.148 \| good	1.005 \| good	5.238 \| good	0.316 \| good
2025-10-24T00:00:00.000Z	23 \| good	2.111 \| good	6.197 \| good	24.767 \| good	1.046 \| good	4.7 \| good	0.292 \| good
2025-10-24T01:00:00.000Z	22 \| good	2.616 \| good	6.973 \| good	24.237 \| good	1.337 \| good	6.634 \| good	0.255 \| good
2025-10-24T02:00:00.000Z	19 \| good	2.815 \| good	6.739 \| good	20.234 \| good	1.12 \| good	7.12 \| good	0.372 \| good
2025-10-24T03:00:00.000Z	17 \| good	0.399 \| good	1.117 \| good	17.521 \| good	0.481 \| good	3.353 \| good	0.129 \| good
2025-10-24T04:00:00.000Z	16 \| good	3.015 \| good	9.397 \| good	14.44 \| good	1.011 \| good	7.835 \| good	0.212 \| good
2025-10-24T05:00:00.000Z	16 \| good	2.781 \| good	7.803 \| good	15.15 \| good	1.018 \| good	7.008 \| good	0.225 \| good
2025-10-24T06:00:00.000Z	16 \| good	2.804 \| good	7.164 \| good	12.871 \| good	1.023 \| good	7.059 \| good	0.231 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.779 \| good	8.27 \| good	12.857 \| good	1.082 \| good	6.918 \| good	0.237 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.772 \| good	10.042 \| good	6.261 \| good	1.069 \| good	6.88 \| good	0.23 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.237 \| good	5.079 \| good	15.474 \| good	0.37 \| good	2.324 \| good	0.132 \| good
2025-10-23T02:00:00.000Z	17 \| good	0.279 \| good	0.856 \| good	17.727 \| good	0.417 \| good	2.264 \| good	0.133 \| good
2025-10-23T03:00:00.000Z	18 \| good	0.626 \| good	2 \| good	18.581 \| good	0.464 \| good	2.204 \| good	0.134 \| good
2025-10-23T04:00:00.000Z	19 \| good	0.594 \| good	2 \| good	20.729 \| good	0.489 \| good	2.133 \| good	0.133 \| good
2025-10-23T05:00:00.000Z	19 \| good	0.613 \| good	2 \| good	20.549 \| good	0.514 \| good	2.061 \| good	0.133 \| good
2025-10-23T06:00:00.000Z	18 \| good	0.623 \| good	2 \| good	18.618 \| good	0.539 \| good	1.99 \| good	0.133 \| good
2025-10-23T07:00:00.000Z	17 \| good	0.205 \| good	0.295 \| good	18.082 \| good	0.536 \| good	1.901 \| good	0.131 \| good
2025-10-23T08:00:00.000Z	17 \| good	0.624 \| good	2 \| good	18.05 \| good	0.532 \| good	1.811 \| good	0.129 \| good
2025-10-23T09:00:00.000Z	19 \| good	0.639 \| good	2 \| good	19.766 \| good	0.528 \| good	1.722 \| good	0.127 \| good
2025-10-23T10:00:00.000Z	20 \| good	0.321 \| good	0.978 \| good	22.363 \| good	0.529 \| good	1.862 \| good	0.127 \| good
2025-10-23T11:00:00.000Z	18 \| good	0.5 \| good	1.897 \| good	18.631 \| good	0.531 \| good	2.002 \| good	0.127 \| good
2025-10-23T12:00:00.000Z	13 \| good	0.663 \| good	2.255 \| good	14.26 \| good	0.532 \| good	2.143 \| good	0.127 \| good
2025-10-23T13:00:00.000Z	16 \| good	0.239 \| good	0.981 \| good	16.793 \| good	0.533 \| good	1.985 \| good	0.126 \| good
2025-10-23T14:00:00.000Z	18 \| good	0.227 \| good	0.878 \| good	19.01 \| good	0.533 \| good	1.828 \| good	0.126 \| good
2025-10-23T15:00:00.000Z	19 \| good	0.466 \| good	2 \| good	21.041 \| good	0.534 \| good	1.67 \| good	0.125 \| good
2025-10-23T16:00:00.000Z	21 \| good	0.966 \| good	3.947 \| good	22.918 \| good	0.472 \| good	1.51 \| good	0.124 \| good
2025-10-23T17:00:00.000Z	21 \| good	1.228 \| good	5.007 \| good	22.94 \| good	0.411 \| good	1.35 \| good	0.122 \| good
2025-10-23T18:00:00.000Z	20 \| good	1.038 \| good	4.254 \| good	22.369 \| good	0.349 \| good	1.19 \| good	0.12 \| good
2025-10-23T19:00:00.000Z	19 \| good	1.005 \| good	4.009 \| good	20.904 \| good	0.329 \| good	1.208 \| good	0.12 \| good
2025-10-23T20:00:00.000Z	21 \| good	0.988 \| good	3.98 \| good	23.314 \| good	0.308 \| good	1.227 \| good	0.119 \| good
2025-10-23T21:00:00.000Z	22 \| good	0.267 \| good	0.907 \| good	24.445 \| good	0.288 \| good	1.245 \| good	0.118 \| good
2025-10-23T22:00:00.000Z	23 \| good	0.675 \| good	2.276 \| good	25.394 \| good	0.311 \| good	1.753 \| good	0.122 \| good
2025-10-23T23:00:00.000Z	18 \| good	1.141 \| good	4.842 \| good	19.419 \| good	0.333 \| good	2.261 \| good	0.127 \| good
2025-10-24T00:00:00.000Z	11 \| good	1.662 \| good	6.978 \| good	11.9 \| good	0.355 \| good	2.768 \| good	0.131 \| good
2025-10-24T01:00:00.000Z	11 \| good	1.541 \| good	6.14 \| good	10.222 \| good	0.387 \| good	3.02 \| good	0.134 \| good
2025-10-24T02:00:00.000Z	11 \| good	1.246 \| good	4.905 \| good	11.732 \| good	0.419 \| good	3.272 \| good	0.137 \| good
2025-10-24T03:00:00.000Z	13 \| good	0.988 \| good	3.989 \| good	14.038 \| good	0.451 \| good	3.523 \| good	0.14 \| good
2025-10-24T04:00:00.000Z	15 \| good	0.691 \| good	2.676 \| good	15.934 \| good	0.462 \| good	3.535 \| good	0.14 \| good
2025-10-24T05:00:00.000Z	13 \| good	0.314 \| good	1.139 \| good	13.919 \| good	0.473 \| good	3.547 \| good	0.141 \| good
2025-10-24T06:00:00.000Z	12 \| good	0.34 \| good	1.158 \| good	13.2 \| good	0.483 \| good	3.559 \| good	0.141 \| good
2025-10-24T07:00:00.000Z	14 \| good	0.335 \| good	1.35 \| good	14.55 \| good	0.534 \| good	3.643 \| good	0.142 \| good
2025-10-24T08:00:00.000Z	14 \| good	0.483 \| good	2 \| good	15.387 \| good	0.584 \| good	3.728 \| good	0.143 \| good
2025-10-24T09:00:00.000Z	14 \| good	0.56 \| good	2.014 \| good	15.103 \| good	0.635 \| good	3.813 \| good	0.143 \| good
2025-10-24T10:00:00.000Z	18 \| good	1.222 \| good	4.981 \| good	19.18 \| good	0.707 \| good	4.423 \| good	0.147 \| good
2025-10-24T11:00:00.000Z	14 \| good	1.861 \| good	7.893 \| good	14.833 \| good	0.779 \| good	5.032 \| good	0.151 \| good
2025-10-24T12:00:00.000Z	11 \| good	2.419 \| good	9.893 \| good	10.957 \| good	0.851 \| good	5.642 \| good	0.156 \| good
2025-10-24T13:00:00.000Z	16 \| good	2.941 \| good	12.143 \| good	11.501 \| good	0.944 \| good	5.194 \| good	0.16 \| good
2025-10-24T14:00:00.000Z	16 \| good	2.681 \| good	11.12 \| good	16.739 \| good	1.038 \| good	4.746 \| good	0.164 \| good
2025-10-24T15:00:00.000Z	19 \| good	2.805 \| good	11.266 \| good	20.611 \| good	1.132 \| good	4.298 \| good	0.168 \| good
2025-10-24T16:00:00.000Z	22 \| good	2.761 \| good	11.232 \| good	23.814 \| good	0.92 \| good	3.287 \| good	0.155 \| good
2025-10-24T17:00:00.000Z	24 \| good	2.335 \| good	9.878 \| good	25.973 \| good	0.709 \| good	2.276 \| good	0.142 \| good
2025-10-24T18:00:00.000Z	24 \| good	2.44 \| good	9.947 \| good	25.733 \| good	0.497 \| good	1.265 \| good	0.129 \| good
2025-10-24T19:00:00.000Z	22 \| good	2.36 \| good	9.878 \| good	23.596 \| good	0.52 \| good	1.392 \| good	0.13 \| good
2025-10-24T20:00:00.000Z	22 \| good	3.434 \| good	15.258 \| good	23.686 \| good	0.544 \| good	1.518 \| good	0.13 \| good
2025-10-24T21:00:00.000Z	27 \| good	4.708 \| good	20.521 \| good	25.356 \| good	0.567 \| good	1.645 \| good	0.131 \| good
2025-10-24T22:00:00.000Z	44 \| good	8.419 \| good	37.171 \| good	23.398 \| good	0.662 \| good	6.327 \| good	0.169 \| good
2025-10-24T23:00:00.000Z	54 \| moderate	11.092 \| good	49.224 \| good	16.443 \| good	0.756 \| good	11.01 \| good	0.207 \| good
2025-10-25T00:00:00.000Z	52 \| moderate	9.704 \| good	10.041 \| good	19.639 \| good	0.856 \| good	15.915 \| good	0.246 \| good

Live air quality index in Mequon, Wisconsin today

Major air pollutants in Mequon, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Germantown, Wisconsin

Brown Deer, Wisconsin

Menomonee Falls, Wisconsin

Cedarburg, Wisconsin

Glendale, Wisconsin

Grafton, Wisconsin

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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 Mequon, Wisconsin at the moment?

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What is the sulfur dioxide (SO₂) level in Mequon, Wisconsin at the moment?

What is the ozone (O₃) level in Mequon, Wisconsin at the moment?

What is the nitrogen dioxide (NO₂) level in Mequon, Wisconsin at the moment?