What are the current PM10 levels at Deforest, Wisconsin?

The current PM10 levels in Deforest, Wisconsin are 42.931 μg/m3.

What are the current sulfur dioxide (SO2) levels at Deforest, Wisconsin?

The current sulfur dioxide (SO2) levels in Deforest, Wisconsin are 0.651 ppb.

What are the current ozone (O3) levels at Deforest, Wisconsin?

The current ozone (O3) levels at Deforest, Wisconsin is 31.026 ppm.

What are the current nitrogen dioxide (NO2) levels at Deforest, Wisconsin?

The current nitrogen dioxide (NO2) levels at Deforest, Wisconsin is 6.15 ppb.

Real-time air quality index in DeForest, Wisconsin today

Q: What are the current PM2.5 levels in Deforest, Wisconsin?

The measured PM2.5 levels in Deforest, Wisconsin at present are 8.736 μg/m3.

Stay updated with real-time air quality in DeForest, 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

DeForest, Wisconsin

Last updated: ... (Local time)

Common air pollutants in DeForest, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.74 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

42.93 μg/m³

155

255

425

605+

Ozone (O₃)

31.03 ppb

201

201+

Sulfur Dioxide (SO₂)

0.65 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.15 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

DeForest, Wisconsin

Get Live Pollen Counts

DeForest, Wisconsin

Scroll To Air Quality Map

Track live DeForest, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	37 \| good	6.184 \| good	31.397 \| good	39.649 \| good	0.52 \| good	2.435 \| good	0.213 \| good
2026-10-20T22:00:00.000Z	39 \| good	5.624 \| good	25.999 \| good	42.42 \| good	0.436 \| good	2.121 \| good	0.213 \| good
2026-10-20T23:00:00.000Z	42 \| good	5.364 \| good	32.598 \| good	44.803 \| good	0.385 \| good	5.326 \| good	0.222 \| good
2026-10-21T00:00:00.000Z	38 \| good	6.713 \| good	33.095 \| good	41.248 \| good	0.287 \| good	9.546 \| good	0.262 \| good
2026-10-21T01:00:00.000Z	49 \| good	8.579 \| good	31.251 \| good	39.046 \| good	0.376 \| good	12.281 \| good	0.27 \| good
2026-10-21T02:00:00.000Z	52 \| moderate	9.953 \| good	52.265 \| good	29.577 \| good	0.304 \| good	13.436 \| good	0.279 \| good
2026-10-21T03:00:00.000Z	66 \| moderate	16.59 \| fine	73.144 \| fine	18.295 \| good	1.505 \| good	12.897 \| good	0.227 \| good
2026-10-21T04:00:00.000Z	49 \| good	9.379 \| good	34.81 \| good	25.579 \| good	0.426 \| good	16.064 \| good	0.276 \| good
2026-10-21T05:00:00.000Z	54 \| moderate	10.603 \| good	52.531 \| good	22.187 \| good	0.895 \| good	16.372 \| good	0.269 \| good
2026-10-21T06:00:00.000Z	54 \| moderate	10.98 \| good	56.901 \| fine	23.938 \| good	0.874 \| good	16.023 \| good	0.253 \| good
2026-10-21T07:00:00.000Z	37 \| good	5.884 \| good	39.98 \| good	33.98 \| good	0.769 \| good	13.091 \| good	0.262 \| good
2026-10-21T08:00:00.000Z	49 \| good	8.826 \| good	43.3 \| good	37.768 \| good	0.494 \| good	13.844 \| good	0.24 \| good
2026-10-21T09:00:00.000Z	52 \| moderate	9.738 \| good	48.864 \| good	41.414 \| good	0.4 \| good	14.091 \| good	0.231 \| good
2026-10-21T10:00:00.000Z	60 \| moderate	14.252 \| fine	48.155 \| good	39.144 \| good	0.517 \| good	13.213 \| good	0.262 \| good
2026-10-21T11:00:00.000Z	66 \| moderate	16.704 \| fine	57.463 \| fine	30.216 \| good	0.544 \| good	15.315 \| good	0.308 \| good
2026-10-21T12:00:00.000Z	62 \| moderate	15.277 \| fine	47.723 \| good	17.579 \| good	0.599 \| good	15.999 \| good	0.323 \| good
2026-10-21T13:00:00.000Z	66 \| moderate	17.389 \| fine	37.538 \| good	11.363 \| good	0.567 \| good	16.916 \| good	0.323 \| good
2026-10-21T14:00:00.000Z	75 \| moderate	22.461 \| fine	43.688 \| good	20.154 \| good	1.082 \| good	18.785 \| good	0.393 \| good
2026-10-21T15:00:00.000Z	69 \| moderate	19.253 \| fine	57.006 \| fine	12.808 \| good	0.863 \| good	15.189 \| good	0.375 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	14.923 \| fine	59.399 \| fine	19.291 \| good	0.799 \| good	13.665 \| good	0.276 \| good
2026-10-21T17:00:00.000Z	54 \| moderate	11.091 \| good	46.239 \| good	26.574 \| good	0.862 \| good	12.14 \| good	0.251 \| good
2026-10-21T18:00:00.000Z	52 \| moderate	10.137 \| good	45.34 \| good	24.03 \| good	0.957 \| good	7.795 \| good	0.236 \| good
2026-10-21T19:00:00.000Z	52 \| moderate	10.39 \| good	39.925 \| good	37.169 \| good	0.829 \| good	7.291 \| good	0.236 \| good
2026-10-21T20:00:00.000Z	49 \| good	8.877 \| good	33.942 \| good	39.645 \| good	0.758 \| good	6.146 \| good	0.236 \| good
2026-10-21T21:00:00.000Z	44 \| good	8.486 \| good	30.887 \| good	33.013 \| good	0.887 \| good	6.661 \| good	0.236 \| good
2026-10-21T22:00:00.000Z	44 \| good	8.073 \| good	31.89 \| good	33.435 \| good	0.796 \| good	7.227 \| good	0.236 \| good
2026-10-21T23:00:00.000Z	44 \| good	7.821 \| good	31.575 \| good	45.043 \| good	0.551 \| good	3.946 \| good	0.245 \| good
2026-10-22T00:00:00.000Z	44 \| good	7.869 \| good	27.755 \| good	45.604 \| good	0.431 \| good	4.105 \| good	0.291 \| good
2026-10-22T01:00:00.000Z	49 \| good	9.117 \| good	33.516 \| good	42.223 \| good	0.421 \| good	5.539 \| good	0.331 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	9.631 \| good	38.528 \| good	37.886 \| good	0.437 \| good	6.07 \| good	0.338 \| good
2026-10-22T03:00:00.000Z	33 \| good	5.59 \| good	23.888 \| good	22.74 \| good	0.57 \| good	10.855 \| good	0.228 \| good
2026-10-22T04:00:00.000Z	54 \| moderate	10.948 \| good	39.288 \| good	31.071 \| good	0.367 \| good	6.422 \| good	0.37 \| good
2026-10-22T05:00:00.000Z	56 \| moderate	11.803 \| good	44.341 \| good	14.619 \| good	0.402 \| good	9.177 \| good	0.354 \| good
2026-10-22T06:00:00.000Z	56 \| moderate	11.533 \| good	29.461 \| good	26.987 \| good	0.385 \| good	10.06 \| good	0.407 \| good
2026-10-22T07:00:00.000Z	56 \| moderate	11.888 \| good	29.624 \| good	34.455 \| good	0.385 \| good	9.017 \| good	0.4 \| good
2026-10-22T08:00:00.000Z	54 \| moderate	10.938 \| good	35.63 \| good	35.21 \| good	0.383 \| good	7.501 \| good	0.324 \| good
2026-10-22T09:00:00.000Z	54 \| moderate	10.775 \| good	34.378 \| good	25.13 \| good	0.332 \| good	11.669 \| good	0.315 \| good
2026-10-22T10:00:00.000Z	54 \| moderate	10.546 \| good	37.232 \| good	10.983 \| good	0.446 \| good	14.939 \| good	0.3 \| good
2026-10-22T11:00:00.000Z	49 \| good	9.448 \| good	46.713 \| good	19.217 \| good	0.428 \| good	16.797 \| good	0.383 \| good
2026-10-22T12:00:00.000Z	58 \| moderate	13.475 \| fine	57.437 \| fine	12.9 \| good	0.314 \| good	18.325 \| good	0.432 \| good
2026-10-22T13:00:00.000Z	58 \| moderate	13.157 \| fine	53.438 \| good	11.981 \| good	0.314 \| good	21.567 \| good	0.381 \| good
2026-10-22T14:00:00.000Z	56 \| moderate	11.599 \| good	47.815 \| good	16.71 \| good	0.379 \| good	21.309 \| good	0.419 \| good
2026-10-22T15:00:00.000Z	56 \| moderate	11.936 \| good	32.966 \| good	14.695 \| good	0.312 \| good	16.359 \| good	0.419 \| good
2026-10-22T16:00:00.000Z	60 \| moderate	14.445 \| fine	57.482 \| fine	25.669 \| good	0.451 \| good	18.354 \| good	0.297 \| good
2026-10-22T17:00:00.000Z	58 \| moderate	12.558 \| fine	57.889 \| fine	24.46 \| good	0.498 \| good	11.58 \| good	0.269 \| good
2026-10-22T18:00:00.000Z	56 \| moderate	12.156 \| fine	49.761 \| good	25.701 \| good	0.531 \| good	6.36 \| good	0.231 \| good
2026-10-22T19:00:00.000Z	49 \| good	9.456 \| good	31.978 \| good	32.919 \| good	0.58 \| good	5.829 \| good	0.213 \| good
2026-10-22T20:00:00.000Z	49 \| good	8.736 \| good	42.931 \| good	31.026 \| good	0.651 \| good	6.15 \| good	0.213 \| good
2026-10-22T20:00:00.000Z	49 \| good	8.736 \| good	42.931 \| good	31.026 \| good	0.651 \| good	6.15 \| good	0.213 \| good
2026-10-22T21:00:00.000Z	44 \| good	5.385 \| good	22.907 \| good	47.219 \| good	0.383 \| good	0.981 \| good	0.145 \| good
2026-10-22T22:00:00.000Z	39 \| good	4.152 \| good	18.401 \| good	41.629 \| good	0.358 \| good	2.032 \| good	0.153 \| good
2026-10-22T23:00:00.000Z	31 \| good	2.217 \| good	9.205 \| good	33.053 \| good	0.365 \| good	5.065 \| good	0.178 \| good
2026-10-23T00:00:00.000Z	27 \| good	1.925 \| good	8.076 \| good	28.781 \| good	0.394 \| good	8.236 \| good	0.205 \| good
2026-10-23T01:00:00.000Z	22 \| good	3.785 \| good	16.416 \| good	20.033 \| good	0.425 \| good	9.914 \| good	0.22 \| good
2026-10-23T02:00:00.000Z	27 \| good	4.896 \| good	21.065 \| good	18.951 \| good	0.456 \| good	10.591 \| good	0.228 \| good
2026-10-23T03:00:00.000Z	38 \| good	6.807 \| good	30.424 \| good	23.048 \| good	0.485 \| good	10.671 \| good	0.232 \| good
2026-10-23T04:00:00.000Z	44 \| good	8.399 \| good	36.968 \| good	27.123 \| good	0.511 \| good	10.63 \| good	0.236 \| good
2026-10-23T05:00:00.000Z	56 \| moderate	11.609 \| good	51.375 \| good	26.148 \| good	0.534 \| good	10.221 \| good	0.237 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.833 \| fine	57.487 \| fine	24.007 \| good	0.564 \| good	9.685 \| good	0.237 \| good
2026-10-23T07:00:00.000Z	58 \| moderate	13.353 \| fine	60.353 \| fine	22.75 \| good	0.607 \| good	9.355 \| good	0.238 \| good
2026-10-23T08:00:00.000Z	62 \| moderate	14.729 \| fine	65.518 \| fine	23.682 \| good	0.655 \| good	9.198 \| good	0.238 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	16.628 \| fine	74.276 \| fine	21.168 \| good	0.704 \| good	9.143 \| good	0.239 \| good
2026-10-23T10:00:00.000Z	69 \| moderate	18.675 \| fine	82.378 \| fine	18.124 \| good	0.755 \| good	9.124 \| good	0.239 \| good
2026-10-23T11:00:00.000Z	69 \| moderate	18.572 \| fine	81.847 \| fine	13.643 \| good	0.819 \| good	9.21 \| good	0.24 \| good
2026-10-23T12:00:00.000Z	71 \| moderate	19.777 \| fine	86.84 \| fine	8.096 \| good	0.914 \| good	9.708 \| good	0.244 \| good
2026-10-23T13:00:00.000Z	73 \| moderate	21.302 \| fine	93.358 \| fine	8.312 \| good	1.039 \| good	10.802 \| good	0.25 \| good
2026-10-23T14:00:00.000Z	77 \| moderate	23.439 \| fine	102.717 \| fine	11.873 \| good	1.156 \| good	10.716 \| good	0.255 \| good
2026-10-23T15:00:00.000Z	75 \| moderate	22.351 \| fine	98.075 \| fine	20.487 \| good	1.27 \| good	10.191 \| good	0.258 \| good
2026-10-23T16:00:00.000Z	66 \| moderate	16.743 \| fine	74.243 \| fine	29.888 \| good	1.405 \| good	8.904 \| good	0.253 \| good
2026-10-23T17:00:00.000Z	56 \| moderate	12.434 \| fine	55.689 \| fine	39.998 \| good	1.475 \| good	6.574 \| good	0.236 \| good
2026-10-23T18:00:00.000Z	54 \| moderate	10.779 \| good	47.644 \| good	43.432 \| good	1.382 \| good	4.316 \| good	0.212 \| good
2026-10-23T19:00:00.000Z	52 \| moderate	9.818 \| good	43.644 \| good	45.639 \| good	1.111 \| good	2.191 \| good	0.186 \| good
2026-10-23T20:00:00.000Z	49 \| good	8.83 \| good	38.814 \| good	43.849 \| good	0.937 \| good	1.46 \| good	0.175 \| good
2026-10-23T21:00:00.000Z	49 \| good	9.024 \| good	39.969 \| good	40.144 \| good	0.873 \| good	1.336 \| good	0.172 \| good
2026-10-23T22:00:00.000Z	56 \| moderate	11.537 \| good	51.154 \| good	34.582 \| good	0.846 \| good	1.944 \| good	0.176 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	13.954 \| fine	63.112 \| fine	29.741 \| good	0.831 \| good	3.566 \| good	0.19 \| good
2026-10-24T00:00:00.000Z	56 \| moderate	12.328 \| fine	55.147 \| fine	29.273 \| good	0.861 \| good	5.169 \| good	0.203 \| good
2026-10-24T01:00:00.000Z	54 \| moderate	11.004 \| good	48.66 \| good	27.865 \| good	0.954 \| good	5.994 \| good	0.209 \| good
2026-10-24T02:00:00.000Z	52 \| moderate	9.979 \| good	44.421 \| good	28.957 \| good	1.097 \| good	6.752 \| good	0.215 \| good
2026-10-24T03:00:00.000Z	54 \| moderate	10.679 \| good	47.297 \| good	30.542 \| good	1.269 \| good	7.267 \| good	0.219 \| good
2026-10-24T04:00:00.000Z	52 \| moderate	10.006 \| good	44.602 \| good	29.792 \| good	1.446 \| good	7.499 \| good	0.222 \| good
2026-10-24T05:00:00.000Z	54 \| moderate	10.606 \| good	47.246 \| good	29.084 \| good	1.588 \| good	7.371 \| good	0.223 \| good
2026-10-24T06:00:00.000Z	54 \| moderate	10.543 \| good	46.735 \| good	29.988 \| good	1.669 \| good	7.117 \| good	0.222 \| good
2026-10-24T07:00:00.000Z	49 \| good	9.163 \| good	40.735 \| good	26.953 \| good	1.675 \| good	6.988 \| good	0.221 \| good
2026-10-24T08:00:00.000Z	49 \| good	9.192 \| good	40.771 \| good	28.246 \| good	1.594 \| good	6.9 \| good	0.22 \| good
2026-10-24T09:00:00.000Z	52 \| moderate	10.164 \| good	45.099 \| good	28.485 \| good	1.456 \| good	6.654 \| good	0.219 \| good
2026-10-24T10:00:00.000Z	58 \| moderate	12.771 \| fine	57.312 \| fine	28.376 \| good	1.292 \| good	6.206 \| good	0.216 \| good
2026-10-24T11:00:00.000Z	60 \| moderate	14.074 \| fine	63.395 \| fine	25.282 \| good	1.133 \| good	5.716 \| good	0.214 \| good
2026-10-24T12:00:00.000Z	58 \| moderate	12.817 \| fine	57.451 \| fine	23.966 \| good	1.012 \| good	5.54 \| good	0.213 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	12.582 \| fine	56.653 \| fine	25.364 \| good	0.941 \| good	5.981 \| good	0.214 \| good
2026-10-24T14:00:00.000Z	58 \| moderate	13.002 \| fine	58.687 \| fine	26.297 \| good	0.881 \| good	5.575 \| good	0.218 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	11.4 \| good	50.517 \| good	32.923 \| good	0.897 \| good	4.707 \| good	0.216 \| good
2026-10-24T16:00:00.000Z	49 \| good	9.058 \| good	40.182 \| good	38.503 \| good	0.955 \| good	3.761 \| good	0.211 \| good
2026-10-24T17:00:00.000Z	49 \| good	9.194 \| good	40.539 \| good	42.01 \| good	1.041 \| good	2.811 \| good	0.203 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	10.18 \| good	45.04 \| good	41.324 \| good	1.11 \| good	2.117 \| good	0.196 \| good
2026-10-24T19:00:00.000Z	52 \| moderate	10.201 \| good	45.215 \| good	39.083 \| good	1.139 \| good	1.734 \| good	0.191 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	11.245 \| good	49.717 \| good	38.004 \| good	1.133 \| good	1.561 \| good	0.188 \| good

DeForest

Empower business decisions with accurate air quality data

DeForest, Wisconsin air quality map: Real-time AQI near you

0.21ppm

How accurate is Wisconsin, USA air quality data?

Air quality measurements for Wisconsin, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Deforest, Wisconsin updated?

Air quality data for Deforest, Wisconsin is updated on an hourly basis.

When did Deforest, Wisconsin experience the worst air quality in the last 24 hours?

The worst air quality in Deforest, Wisconsin was recorded at 04:00:00 on 2026-10-22.

When did Deforest, Wisconsin have its best air quality in the last 24 hours?

The best air quality in Deforest, Wisconsin was recorded at 03:00:00 on 2026-10-22.

What is the real-time air quality index for Deforest, Wisconsin?

The real-time air quality index in Deforest, Wisconsin is 49, currently categorized as Good.

Which pollutant is found most often in Deforest, Wisconsin?

The most common pollutant in Deforest, Wisconsin is PM2.5.

What can I do if the air quality in Deforest, Wisconsin is poor?

If the air quality in Deforest, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Deforest, Wisconsin?

The measured PM_2.5 levels in Deforest, Wisconsin at present are 8.736 μg/m³.

What are the current PM₁₀ levels at Deforest, Wisconsin?

The current PM₁₀ levels in Deforest, Wisconsin are 42.931 μg/m³.

What are the current carbon monoxide (CO) levels at Deforest, Wisconsin?

The current carbon monoxide (CO) level in Deforest, Wisconsin is 0.213 ppm.

What are the current sulfur dioxide (SO₂) levels at Deforest, Wisconsin?

The current sulfur dioxide (SO₂) levels in Deforest, Wisconsin are 0.651 ppb.

What are the current ozone (O₃) levels at Deforest, Wisconsin?

The current ozone (O₃) levels at Deforest, Wisconsin is 31.026 ppm.

What are the current nitrogen dioxide (NO₂) levels at Deforest, Wisconsin?

The current nitrogen dioxide (NO₂) levels at Deforest, Wisconsin is 6.15 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	37 \| good	6.184 \| good	31.397 \| good	39.649 \| good	0.52 \| good	2.435 \| good	0.213 \| good
2026-10-20T22:00:00.000Z	39 \| good	5.624 \| good	25.999 \| good	42.42 \| good	0.436 \| good	2.121 \| good	0.213 \| good
2026-10-20T23:00:00.000Z	42 \| good	5.364 \| good	32.598 \| good	44.803 \| good	0.385 \| good	5.326 \| good	0.222 \| good
2026-10-21T00:00:00.000Z	38 \| good	6.713 \| good	33.095 \| good	41.248 \| good	0.287 \| good	9.546 \| good	0.262 \| good
2026-10-21T01:00:00.000Z	49 \| good	8.579 \| good	31.251 \| good	39.046 \| good	0.376 \| good	12.281 \| good	0.27 \| good
2026-10-21T02:00:00.000Z	52 \| moderate	9.953 \| good	52.265 \| good	29.577 \| good	0.304 \| good	13.436 \| good	0.279 \| good
2026-10-21T03:00:00.000Z	66 \| moderate	16.59 \| fine	73.144 \| fine	18.295 \| good	1.505 \| good	12.897 \| good	0.227 \| good
2026-10-21T04:00:00.000Z	49 \| good	9.379 \| good	34.81 \| good	25.579 \| good	0.426 \| good	16.064 \| good	0.276 \| good
2026-10-21T05:00:00.000Z	54 \| moderate	10.603 \| good	52.531 \| good	22.187 \| good	0.895 \| good	16.372 \| good	0.269 \| good
2026-10-21T06:00:00.000Z	54 \| moderate	10.98 \| good	56.901 \| fine	23.938 \| good	0.874 \| good	16.023 \| good	0.253 \| good
2026-10-21T07:00:00.000Z	37 \| good	5.884 \| good	39.98 \| good	33.98 \| good	0.769 \| good	13.091 \| good	0.262 \| good
2026-10-21T08:00:00.000Z	49 \| good	8.826 \| good	43.3 \| good	37.768 \| good	0.494 \| good	13.844 \| good	0.24 \| good
2026-10-21T09:00:00.000Z	52 \| moderate	9.738 \| good	48.864 \| good	41.414 \| good	0.4 \| good	14.091 \| good	0.231 \| good
2026-10-21T10:00:00.000Z	60 \| moderate	14.252 \| fine	48.155 \| good	39.144 \| good	0.517 \| good	13.213 \| good	0.262 \| good
2026-10-21T11:00:00.000Z	66 \| moderate	16.704 \| fine	57.463 \| fine	30.216 \| good	0.544 \| good	15.315 \| good	0.308 \| good
2026-10-21T12:00:00.000Z	62 \| moderate	15.277 \| fine	47.723 \| good	17.579 \| good	0.599 \| good	15.999 \| good	0.323 \| good
2026-10-21T13:00:00.000Z	66 \| moderate	17.389 \| fine	37.538 \| good	11.363 \| good	0.567 \| good	16.916 \| good	0.323 \| good
2026-10-21T14:00:00.000Z	75 \| moderate	22.461 \| fine	43.688 \| good	20.154 \| good	1.082 \| good	18.785 \| good	0.393 \| good
2026-10-21T15:00:00.000Z	69 \| moderate	19.253 \| fine	57.006 \| fine	12.808 \| good	0.863 \| good	15.189 \| good	0.375 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	14.923 \| fine	59.399 \| fine	19.291 \| good	0.799 \| good	13.665 \| good	0.276 \| good
2026-10-21T17:00:00.000Z	54 \| moderate	11.091 \| good	46.239 \| good	26.574 \| good	0.862 \| good	12.14 \| good	0.251 \| good
2026-10-21T18:00:00.000Z	52 \| moderate	10.137 \| good	45.34 \| good	24.03 \| good	0.957 \| good	7.795 \| good	0.236 \| good
2026-10-21T19:00:00.000Z	52 \| moderate	10.39 \| good	39.925 \| good	37.169 \| good	0.829 \| good	7.291 \| good	0.236 \| good
2026-10-21T20:00:00.000Z	49 \| good	8.877 \| good	33.942 \| good	39.645 \| good	0.758 \| good	6.146 \| good	0.236 \| good
2026-10-21T21:00:00.000Z	44 \| good	8.486 \| good	30.887 \| good	33.013 \| good	0.887 \| good	6.661 \| good	0.236 \| good
2026-10-21T22:00:00.000Z	44 \| good	8.073 \| good	31.89 \| good	33.435 \| good	0.796 \| good	7.227 \| good	0.236 \| good
2026-10-21T23:00:00.000Z	44 \| good	7.821 \| good	31.575 \| good	45.043 \| good	0.551 \| good	3.946 \| good	0.245 \| good
2026-10-22T00:00:00.000Z	44 \| good	7.869 \| good	27.755 \| good	45.604 \| good	0.431 \| good	4.105 \| good	0.291 \| good
2026-10-22T01:00:00.000Z	49 \| good	9.117 \| good	33.516 \| good	42.223 \| good	0.421 \| good	5.539 \| good	0.331 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	9.631 \| good	38.528 \| good	37.886 \| good	0.437 \| good	6.07 \| good	0.338 \| good
2026-10-22T03:00:00.000Z	33 \| good	5.59 \| good	23.888 \| good	22.74 \| good	0.57 \| good	10.855 \| good	0.228 \| good
2026-10-22T04:00:00.000Z	54 \| moderate	10.948 \| good	39.288 \| good	31.071 \| good	0.367 \| good	6.422 \| good	0.37 \| good
2026-10-22T05:00:00.000Z	56 \| moderate	11.803 \| good	44.341 \| good	14.619 \| good	0.402 \| good	9.177 \| good	0.354 \| good
2026-10-22T06:00:00.000Z	56 \| moderate	11.533 \| good	29.461 \| good	26.987 \| good	0.385 \| good	10.06 \| good	0.407 \| good
2026-10-22T07:00:00.000Z	56 \| moderate	11.888 \| good	29.624 \| good	34.455 \| good	0.385 \| good	9.017 \| good	0.4 \| good
2026-10-22T08:00:00.000Z	54 \| moderate	10.938 \| good	35.63 \| good	35.21 \| good	0.383 \| good	7.501 \| good	0.324 \| good
2026-10-22T09:00:00.000Z	54 \| moderate	10.775 \| good	34.378 \| good	25.13 \| good	0.332 \| good	11.669 \| good	0.315 \| good
2026-10-22T10:00:00.000Z	54 \| moderate	10.546 \| good	37.232 \| good	10.983 \| good	0.446 \| good	14.939 \| good	0.3 \| good
2026-10-22T11:00:00.000Z	49 \| good	9.448 \| good	46.713 \| good	19.217 \| good	0.428 \| good	16.797 \| good	0.383 \| good
2026-10-22T12:00:00.000Z	58 \| moderate	13.475 \| fine	57.437 \| fine	12.9 \| good	0.314 \| good	18.325 \| good	0.432 \| good
2026-10-22T13:00:00.000Z	58 \| moderate	13.157 \| fine	53.438 \| good	11.981 \| good	0.314 \| good	21.567 \| good	0.381 \| good
2026-10-22T14:00:00.000Z	56 \| moderate	11.599 \| good	47.815 \| good	16.71 \| good	0.379 \| good	21.309 \| good	0.419 \| good
2026-10-22T15:00:00.000Z	56 \| moderate	11.936 \| good	32.966 \| good	14.695 \| good	0.312 \| good	16.359 \| good	0.419 \| good
2026-10-22T16:00:00.000Z	60 \| moderate	14.445 \| fine	57.482 \| fine	25.669 \| good	0.451 \| good	18.354 \| good	0.297 \| good
2026-10-22T17:00:00.000Z	58 \| moderate	12.558 \| fine	57.889 \| fine	24.46 \| good	0.498 \| good	11.58 \| good	0.269 \| good
2026-10-22T18:00:00.000Z	56 \| moderate	12.156 \| fine	49.761 \| good	25.701 \| good	0.531 \| good	6.36 \| good	0.231 \| good
2026-10-22T19:00:00.000Z	49 \| good	9.456 \| good	31.978 \| good	32.919 \| good	0.58 \| good	5.829 \| good	0.213 \| good
2026-10-22T20:00:00.000Z	49 \| good	8.736 \| good	42.931 \| good	31.026 \| good	0.651 \| good	6.15 \| good	0.213 \| good
2026-10-22T20:00:00.000Z	49 \| good	8.736 \| good	42.931 \| good	31.026 \| good	0.651 \| good	6.15 \| good	0.213 \| good
2026-10-22T21:00:00.000Z	44 \| good	5.385 \| good	22.907 \| good	47.219 \| good	0.383 \| good	0.981 \| good	0.145 \| good
2026-10-22T22:00:00.000Z	39 \| good	4.152 \| good	18.401 \| good	41.629 \| good	0.358 \| good	2.032 \| good	0.153 \| good
2026-10-22T23:00:00.000Z	31 \| good	2.217 \| good	9.205 \| good	33.053 \| good	0.365 \| good	5.065 \| good	0.178 \| good
2026-10-23T00:00:00.000Z	27 \| good	1.925 \| good	8.076 \| good	28.781 \| good	0.394 \| good	8.236 \| good	0.205 \| good
2026-10-23T01:00:00.000Z	22 \| good	3.785 \| good	16.416 \| good	20.033 \| good	0.425 \| good	9.914 \| good	0.22 \| good
2026-10-23T02:00:00.000Z	27 \| good	4.896 \| good	21.065 \| good	18.951 \| good	0.456 \| good	10.591 \| good	0.228 \| good
2026-10-23T03:00:00.000Z	38 \| good	6.807 \| good	30.424 \| good	23.048 \| good	0.485 \| good	10.671 \| good	0.232 \| good
2026-10-23T04:00:00.000Z	44 \| good	8.399 \| good	36.968 \| good	27.123 \| good	0.511 \| good	10.63 \| good	0.236 \| good
2026-10-23T05:00:00.000Z	56 \| moderate	11.609 \| good	51.375 \| good	26.148 \| good	0.534 \| good	10.221 \| good	0.237 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.833 \| fine	57.487 \| fine	24.007 \| good	0.564 \| good	9.685 \| good	0.237 \| good
2026-10-23T07:00:00.000Z	58 \| moderate	13.353 \| fine	60.353 \| fine	22.75 \| good	0.607 \| good	9.355 \| good	0.238 \| good
2026-10-23T08:00:00.000Z	62 \| moderate	14.729 \| fine	65.518 \| fine	23.682 \| good	0.655 \| good	9.198 \| good	0.238 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	16.628 \| fine	74.276 \| fine	21.168 \| good	0.704 \| good	9.143 \| good	0.239 \| good
2026-10-23T10:00:00.000Z	69 \| moderate	18.675 \| fine	82.378 \| fine	18.124 \| good	0.755 \| good	9.124 \| good	0.239 \| good
2026-10-23T11:00:00.000Z	69 \| moderate	18.572 \| fine	81.847 \| fine	13.643 \| good	0.819 \| good	9.21 \| good	0.24 \| good
2026-10-23T12:00:00.000Z	71 \| moderate	19.777 \| fine	86.84 \| fine	8.096 \| good	0.914 \| good	9.708 \| good	0.244 \| good
2026-10-23T13:00:00.000Z	73 \| moderate	21.302 \| fine	93.358 \| fine	8.312 \| good	1.039 \| good	10.802 \| good	0.25 \| good
2026-10-23T14:00:00.000Z	77 \| moderate	23.439 \| fine	102.717 \| fine	11.873 \| good	1.156 \| good	10.716 \| good	0.255 \| good
2026-10-23T15:00:00.000Z	75 \| moderate	22.351 \| fine	98.075 \| fine	20.487 \| good	1.27 \| good	10.191 \| good	0.258 \| good
2026-10-23T16:00:00.000Z	66 \| moderate	16.743 \| fine	74.243 \| fine	29.888 \| good	1.405 \| good	8.904 \| good	0.253 \| good
2026-10-23T17:00:00.000Z	56 \| moderate	12.434 \| fine	55.689 \| fine	39.998 \| good	1.475 \| good	6.574 \| good	0.236 \| good
2026-10-23T18:00:00.000Z	54 \| moderate	10.779 \| good	47.644 \| good	43.432 \| good	1.382 \| good	4.316 \| good	0.212 \| good
2026-10-23T19:00:00.000Z	52 \| moderate	9.818 \| good	43.644 \| good	45.639 \| good	1.111 \| good	2.191 \| good	0.186 \| good
2026-10-23T20:00:00.000Z	49 \| good	8.83 \| good	38.814 \| good	43.849 \| good	0.937 \| good	1.46 \| good	0.175 \| good
2026-10-23T21:00:00.000Z	49 \| good	9.024 \| good	39.969 \| good	40.144 \| good	0.873 \| good	1.336 \| good	0.172 \| good
2026-10-23T22:00:00.000Z	56 \| moderate	11.537 \| good	51.154 \| good	34.582 \| good	0.846 \| good	1.944 \| good	0.176 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	13.954 \| fine	63.112 \| fine	29.741 \| good	0.831 \| good	3.566 \| good	0.19 \| good
2026-10-24T00:00:00.000Z	56 \| moderate	12.328 \| fine	55.147 \| fine	29.273 \| good	0.861 \| good	5.169 \| good	0.203 \| good
2026-10-24T01:00:00.000Z	54 \| moderate	11.004 \| good	48.66 \| good	27.865 \| good	0.954 \| good	5.994 \| good	0.209 \| good
2026-10-24T02:00:00.000Z	52 \| moderate	9.979 \| good	44.421 \| good	28.957 \| good	1.097 \| good	6.752 \| good	0.215 \| good
2026-10-24T03:00:00.000Z	54 \| moderate	10.679 \| good	47.297 \| good	30.542 \| good	1.269 \| good	7.267 \| good	0.219 \| good
2026-10-24T04:00:00.000Z	52 \| moderate	10.006 \| good	44.602 \| good	29.792 \| good	1.446 \| good	7.499 \| good	0.222 \| good
2026-10-24T05:00:00.000Z	54 \| moderate	10.606 \| good	47.246 \| good	29.084 \| good	1.588 \| good	7.371 \| good	0.223 \| good
2026-10-24T06:00:00.000Z	54 \| moderate	10.543 \| good	46.735 \| good	29.988 \| good	1.669 \| good	7.117 \| good	0.222 \| good
2026-10-24T07:00:00.000Z	49 \| good	9.163 \| good	40.735 \| good	26.953 \| good	1.675 \| good	6.988 \| good	0.221 \| good
2026-10-24T08:00:00.000Z	49 \| good	9.192 \| good	40.771 \| good	28.246 \| good	1.594 \| good	6.9 \| good	0.22 \| good
2026-10-24T09:00:00.000Z	52 \| moderate	10.164 \| good	45.099 \| good	28.485 \| good	1.456 \| good	6.654 \| good	0.219 \| good
2026-10-24T10:00:00.000Z	58 \| moderate	12.771 \| fine	57.312 \| fine	28.376 \| good	1.292 \| good	6.206 \| good	0.216 \| good
2026-10-24T11:00:00.000Z	60 \| moderate	14.074 \| fine	63.395 \| fine	25.282 \| good	1.133 \| good	5.716 \| good	0.214 \| good
2026-10-24T12:00:00.000Z	58 \| moderate	12.817 \| fine	57.451 \| fine	23.966 \| good	1.012 \| good	5.54 \| good	0.213 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	12.582 \| fine	56.653 \| fine	25.364 \| good	0.941 \| good	5.981 \| good	0.214 \| good
2026-10-24T14:00:00.000Z	58 \| moderate	13.002 \| fine	58.687 \| fine	26.297 \| good	0.881 \| good	5.575 \| good	0.218 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	11.4 \| good	50.517 \| good	32.923 \| good	0.897 \| good	4.707 \| good	0.216 \| good
2026-10-24T16:00:00.000Z	49 \| good	9.058 \| good	40.182 \| good	38.503 \| good	0.955 \| good	3.761 \| good	0.211 \| good
2026-10-24T17:00:00.000Z	49 \| good	9.194 \| good	40.539 \| good	42.01 \| good	1.041 \| good	2.811 \| good	0.203 \| good
2026-10-24T18:00:00.000Z	52 \| moderate	10.18 \| good	45.04 \| good	41.324 \| good	1.11 \| good	2.117 \| good	0.196 \| good
2026-10-24T19:00:00.000Z	52 \| moderate	10.201 \| good	45.215 \| good	39.083 \| good	1.139 \| good	1.734 \| good	0.191 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	11.245 \| good	49.717 \| good	38.004 \| good	1.133 \| good	1.561 \| good	0.188 \| good

Real-time air quality index in DeForest, Wisconsin today

Common air pollutants in DeForest, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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DeForest, Wisconsin air quality map: Real-time AQI near you

Air quality in nearby cities

DeForest, Wisconsin

Waunakee, Wisconsin

Sun Prairie, Wisconsin

Madison, Wisconsin

Middleton, Wisconsin

Fitchburg, Wisconsin

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Frequently asked questions

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When did Deforest, Wisconsin have its best air quality in the last 24 hours?

What is the real-time air quality index for Deforest, Wisconsin?

Which pollutant is found most often in Deforest, Wisconsin?

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What are the current PM2.5 levels in Deforest, Wisconsin?

What are the current PM10 levels at Deforest, Wisconsin?

What are the current carbon monoxide (CO) levels at Deforest, Wisconsin?

What are the current sulfur dioxide (SO2) levels at Deforest, Wisconsin?

What are the current ozone (O3) levels at Deforest, Wisconsin?

What are the current nitrogen dioxide (NO2) levels at Deforest, Wisconsin?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Deforest, Wisconsin?

What are the current PM₁₀ levels at Deforest, Wisconsin?

What are the current sulfur dioxide (SO₂) levels at Deforest, Wisconsin?

What are the current ozone (O₃) levels at Deforest, Wisconsin?

What are the current nitrogen dioxide (NO₂) levels at Deforest, Wisconsin?