What are the current PM10 levels at Deforest, Wisconsin?

The current PM10 levels in Deforest, Wisconsin are 34.06 μg/m3.

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

The current sulfur dioxide (SO2) levels in Deforest, Wisconsin are 0.438 ppb.

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

The current ozone (O3) levels at Deforest, Wisconsin is 36.219 ppm.

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

The current nitrogen dioxide (NO2) levels at Deforest, Wisconsin is 4.567 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 10.578 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)

Moderate

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)

10.58 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

34.06 μg/m³

155

255

425

605+

Ozone (O₃)

36.22 ppb

201

201+

Sulfur Dioxide (SO₂)

0.44 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.57 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-07-16T09:00:00.000Z	86 \| moderate	27.547 \| fine	96.486 \| fine	39.788 \| good	0.484 \| good	5.112 \| good	1.32 \| good
2026-07-16T10:00:00.000Z	134 \| sensitive	49.182 \| moderate	168.34 \| moderate	28.034 \| good	0.633 \| good	10.694 \| good	1.429 \| good
2026-07-16T11:00:00.000Z	176 \| unhealthy	91.077 \| poor	241.564 \| moderate	32.252 \| good	0.67 \| good	9.212 \| good	1.806 \| good
2026-07-16T12:00:00.000Z	359 \| hazardous	299.003 \| vPoor	400.112 \| poor	27.216 \| good	0.615 \| good	9.24 \| good	1.934 \| good
2026-07-16T13:00:00.000Z	276 \| vUnhealthy	200.617 \| poor	327.208 \| poor	29.398 \| good	0.615 \| good	7.097 \| good	1.934 \| good
2026-07-16T14:00:00.000Z	341 \| hazardous	276.27 \| vPoor	439.551 \| vPoor	28.827 \| good	0.652 \| good	4.517 \| good	1.905 \| good
2026-07-16T15:00:00.000Z	189 \| unhealthy	97.564 \| poor	331.675 \| poor	33.144 \| good	0.64 \| good	4.176 \| good	1.901 \| good
2026-07-16T16:00:00.000Z	209 \| vUnhealthy	133.95 \| poor	323.257 \| poor	38.508 \| good	0.651 \| good	3.513 \| good	1.784 \| good
2026-07-16T17:00:00.000Z	317 \| hazardous	245.589 \| poor	397.176 \| poor	38.034 \| good	0.64 \| good	2.636 \| good	1.646 \| good
2026-07-16T18:00:00.000Z	261 \| vUnhealthy	158.572 \| poor	397.119 \| poor	41.856 \| good	0.687 \| good	2.319 \| good	1.529 \| good
2026-07-16T19:00:00.000Z	380 \| hazardous	325.041 \| vPoor	465.428 \| vPoor	52.336 \| good	0.667 \| good	3.059 \| good	1.4 \| good
2026-07-16T20:00:00.000Z	331 \| hazardous	263.46 \| vPoor	407.112 \| poor	56.699 \| fine	0.626 \| good	1.973 \| good	1.266 \| good
2026-07-16T21:00:00.000Z	300 \| vUnhealthy	224.638 \| poor	359.862 \| poor	60.143 \| fine	0.651 \| good	2.43 \| good	1.187 \| good
2026-07-16T22:00:00.000Z	279 \| vUnhealthy	204.38 \| poor	290.443 \| poor	64.625 \| fine	0.644 \| good	3.166 \| good	1.087 \| good
2026-07-16T23:00:00.000Z	347 \| hazardous	283.407 \| vPoor	401.656 \| poor	69.015 \| fine	0.633 \| good	2.298 \| good	1.056 \| good
2026-07-17T00:00:00.000Z	219 \| vUnhealthy	144.008 \| poor	240.361 \| moderate	53.111 \| good	0.615 \| good	3.185 \| good	1.067 \| good
2026-07-17T01:00:00.000Z	184 \| unhealthy	102.67 \| poor	223.676 \| moderate	65.75 \| fine	0.56 \| good	4.95 \| good	1.135 \| good
2026-07-17T02:00:00.000Z	318 \| hazardous	246.86 \| poor	403.759 \| poor	58.235 \| fine	0.549 \| good	5.546 \| good	1.22 \| good
2026-07-17T03:00:00.000Z	229 \| vUnhealthy	154.211 \| poor	339.622 \| poor	58.306 \| fine	0.477 \| good	4.21 \| good	1.353 \| good
2026-07-17T04:00:00.000Z	248 \| vUnhealthy	173.028 \| poor	208.068 \| moderate	52.471 \| good	0.513 \| good	4.859 \| good	1.531 \| good
2026-07-17T05:00:00.000Z	266 \| vUnhealthy	191.378 \| poor	313.695 \| poor	37.15 \| good	0.483 \| good	4.87 \| good	1.453 \| good
2026-07-17T06:00:00.000Z	265 \| vUnhealthy	189.981 \| poor	327.376 \| poor	40.243 \| good	0.537 \| good	5.377 \| good	1.595 \| good
2026-07-17T07:00:00.000Z	226 \| vUnhealthy	150.526 \| poor	287.035 \| poor	45.643 \| good	0.536 \| good	5.472 \| good	1.586 \| good
2026-07-17T08:00:00.000Z	265 \| vUnhealthy	190.077 \| poor	302.817 \| poor	31.548 \| good	0.501 \| good	4.885 \| good	1.524 \| good
2026-07-17T09:00:00.000Z	283 \| vUnhealthy	208.3 \| poor	381.514 \| poor	37.739 \| good	0.428 \| good	5.669 \| good	1.603 \| good
2026-07-17T10:00:00.000Z	323 \| hazardous	252.947 \| vPoor	391.69 \| poor	35.546 \| good	0.464 \| good	11.389 \| good	1.617 \| good
2026-07-17T11:00:00.000Z	305 \| hazardous	231.458 \| poor	413.806 \| poor	36.394 \| good	0.459 \| good	12.227 \| good	1.708 \| good
2026-07-17T12:00:00.000Z	321 \| hazardous	250.775 \| vPoor	412.915 \| poor	28.868 \| good	0.429 \| good	13.049 \| good	1.775 \| good
2026-07-17T13:00:00.000Z	300 \| vUnhealthy	224.701 \| poor	401.783 \| poor	27.482 \| good	0.429 \| good	12.56 \| good	1.793 \| good
2026-07-17T14:00:00.000Z	324 \| hazardous	254.528 \| vPoor	427.307 \| vPoor	41.239 \| good	0.818 \| good	12.236 \| good	1.719 \| good
2026-07-17T15:00:00.000Z	299 \| vUnhealthy	224.056 \| poor	401.599 \| poor	34.737 \| good	0.972 \| good	8.784 \| good	1.467 \| good
2026-07-17T16:00:00.000Z	240 \| vUnhealthy	165.017 \| poor	296.003 \| poor	45.397 \| good	0.857 \| good	2.369 \| good	1.062 \| good
2026-07-17T17:00:00.000Z	206 \| vUnhealthy	131.451 \| poor	275.249 \| poor	47.195 \| good	0.58 \| good	2.077 \| good	0.926 \| good
2026-07-17T18:00:00.000Z	177 \| unhealthy	93.09 \| poor	245.765 \| moderate	47.804 \| good	0.588 \| good	1.403 \| good	0.8 \| good
2026-07-17T19:00:00.000Z	171 \| unhealthy	84.049 \| poor	150.795 \| fine	47.849 \| good	0.697 \| good	5.145 \| good	0.486 \| good
2026-07-17T20:00:00.000Z	172 \| unhealthy	86.47 \| poor	209.627 \| moderate	46.068 \| good	0.697 \| good	4.243 \| good	0.395 \| good
2026-07-17T21:00:00.000Z	77 \| moderate	23.206 \| fine	57.912 \| fine	48.52 \| good	0.554 \| good	5.1 \| good	0.325 \| good
2026-07-17T22:00:00.000Z	66 \| moderate	17.174 \| fine	39.491 \| good	45.425 \| good	0.469 \| good	4.728 \| good	0.355 \| good
2026-07-17T23:00:00.000Z	58 \| moderate	13.224 \| fine	40.943 \| good	44.211 \| good	0.414 \| good	5.19 \| good	0.329 \| good
2026-07-18T00:00:00.000Z	66 \| moderate	17.08 \| fine	35.24 \| good	42.598 \| good	0.407 \| good	4.734 \| good	0.321 \| good
2026-07-18T01:00:00.000Z	56 \| moderate	11.656 \| good	43.229 \| good	40.353 \| good	0.436 \| good	4.603 \| good	0.223 \| good
2026-07-18T02:00:00.000Z	64 \| moderate	15.56 \| fine	61.168 \| fine	40.454 \| good	0.407 \| good	6.287 \| good	0.205 \| good
2026-07-18T03:00:00.000Z	62 \| moderate	14.556 \| fine	48.727 \| good	40.679 \| good	0.425 \| good	6.532 \| good	0.219 \| good
2026-07-18T04:00:00.000Z	54 \| moderate	11.431 \| good	37.572 \| good	40.947 \| good	0.377 \| good	5.708 \| good	0.187 \| good
2026-07-18T05:00:00.000Z	52 \| moderate	10.446 \| good	47.714 \| good	37.158 \| good	0.431 \| good	4.529 \| good	0.156 \| good
2026-07-18T06:00:00.000Z	54 \| moderate	10.537 \| good	42.389 \| good	36.796 \| good	0.438 \| good	4.347 \| good	0.14 \| good
2026-07-18T07:00:00.000Z	54 \| moderate	10.578 \| good	34.06 \| good	36.219 \| good	0.438 \| good	4.567 \| good	0.132 \| good
2026-07-18T08:00:00.000Z	54 \| moderate	10.578 \| good	34.06 \| good	36.219 \| good	0.438 \| good	4.567 \| good	0.132 \| good
2026-07-18T08:00:00.000Z	38 \| good	6.896 \| good	30.494 \| good	37.788 \| good	0.25 \| good	2.436 \| good	0.162 \| good
2026-07-18T09:00:00.000Z	33 \| good	6.37 \| good	28.229 \| good	36.441 \| good	0.239 \| good	2.456 \| good	0.158 \| good
2026-07-18T10:00:00.000Z	54 \| moderate	11.401 \| good	50.418 \| good	29.726 \| good	0.228 \| good	2.485 \| good	0.153 \| good
2026-07-18T11:00:00.000Z	58 \| moderate	12.701 \| fine	57.412 \| fine	30.441 \| good	0.223 \| good	2.515 \| good	0.148 \| good
2026-07-18T12:00:00.000Z	54 \| moderate	10.851 \| good	48.105 \| good	27.933 \| good	0.218 \| good	2.26 \| good	0.145 \| good
2026-07-18T13:00:00.000Z	52 \| moderate	9.763 \| good	43.11 \| good	31.783 \| good	0.226 \| good	1.739 \| good	0.145 \| good
2026-07-18T14:00:00.000Z	54 \| moderate	10.897 \| good	48.045 \| good	34.294 \| good	0.224 \| good	1.093 \| good	0.148 \| good
2026-07-18T15:00:00.000Z	54 \| moderate	11.178 \| good	49.446 \| good	38.725 \| good	0.206 \| good	0.715 \| good	0.152 \| good
2026-07-18T16:00:00.000Z	52 \| moderate	10.466 \| good	46.401 \| good	40.56 \| good	0.181 \| good	0.521 \| good	0.155 \| good
2026-07-18T17:00:00.000Z	54 \| moderate	11.02 \| good	48.852 \| good	38.945 \| good	0.159 \| good	0.419 \| good	0.154 \| good
2026-07-18T18:00:00.000Z	54 \| moderate	11.159 \| good	49.402 \| good	40.014 \| good	0.147 \| good	0.374 \| good	0.153 \| good
2026-07-18T19:00:00.000Z	54 \| moderate	10.859 \| good	47.866 \| good	39.797 \| good	0.145 \| good	0.365 \| good	0.152 \| good
2026-07-18T20:00:00.000Z	56 \| moderate	12.023 \| good	53.767 \| good	40.795 \| good	0.146 \| good	0.374 \| good	0.152 \| good
2026-07-18T21:00:00.000Z	62 \| moderate	14.688 \| fine	65.217 \| fine	38.547 \| good	0.148 \| good	0.403 \| good	0.154 \| good
2026-07-18T22:00:00.000Z	60 \| moderate	14.015 \| fine	62.452 \| fine	37.586 \| good	0.155 \| good	0.465 \| good	0.162 \| good
2026-07-18T23:00:00.000Z	54 \| moderate	10.733 \| good	47.299 \| good	36.074 \| good	0.179 \| good	0.593 \| good	0.182 \| good
2026-07-19T00:00:00.000Z	79 \| moderate	23.515 \| fine	102.435 \| fine	39.825 \| good	0.225 \| good	0.891 \| good	0.217 \| good
2026-07-19T01:00:00.000Z	154 \| unhealthy	59.798 \| poor	257.142 \| poor	46.67 \| good	0.282 \| good	1.59 \| good	0.263 \| good
2026-07-19T02:00:00.000Z	187 \| unhealthy	107.217 \| poor	308.712 \| poor	53.671 \| good	0.371 \| good	2.381 \| good	0.322 \| good
2026-07-19T03:00:00.000Z	184 \| unhealthy	101.527 \| poor	301.845 \| poor	51.084 \| good	0.486 \| good	2.772 \| good	0.396 \| good
2026-07-19T04:00:00.000Z	187 \| unhealthy	107.229 \| poor	308.4 \| poor	50.142 \| good	0.568 \| good	2.898 \| good	0.46 \| good
2026-07-19T05:00:00.000Z	201 \| vUnhealthy	126.144 \| poor	327.618 \| poor	50.008 \| good	0.581 \| good	2.859 \| good	0.491 \| good
2026-07-19T06:00:00.000Z	202 \| vUnhealthy	127.488 \| poor	329.306 \| poor	46.85 \| good	0.545 \| good	2.844 \| good	0.492 \| good
2026-07-19T07:00:00.000Z	197 \| unhealthy	121.379 \| poor	322.966 \| poor	42.401 \| good	0.49 \| good	3.21 \| good	0.477 \| good
2026-07-19T08:00:00.000Z	193 \| unhealthy	114.705 \| poor	315.798 \| poor	40.283 \| good	0.451 \| good	3.815 \| good	0.46 \| good
2026-07-19T09:00:00.000Z	191 \| unhealthy	112.29 \| poor	313.44 \| poor	37.378 \| good	0.439 \| good	4.677 \| good	0.446 \| good
2026-07-19T10:00:00.000Z	197 \| unhealthy	120.697 \| poor	322.098 \| poor	37.299 \| good	0.441 \| good	5.168 \| good	0.43 \| good
2026-07-19T11:00:00.000Z	194 \| unhealthy	117.417 \| poor	318.923 \| poor	37.276 \| good	0.437 \| good	6.308 \| good	0.422 \| good
2026-07-19T12:00:00.000Z	178 \| unhealthy	94.004 \| poor	294.484 \| poor	39.164 \| good	0.396 \| good	5.224 \| good	0.405 \| good
2026-07-19T13:00:00.000Z	155 \| unhealthy	61.035 \| poor	260.382 \| poor	40.735 \| good	0.36 \| good	2.641 \| good	0.356 \| good
2026-07-19T14:00:00.000Z	132 \| sensitive	47.92 \| moderate	216.347 \| moderate	40.981 \| good	0.344 \| good	1.557 \| good	0.309 \| good
2026-07-19T15:00:00.000Z	117 \| sensitive	42.302 \| moderate	188.493 \| moderate	41.323 \| good	0.312 \| good	0.975 \| good	0.278 \| good
2026-07-19T16:00:00.000Z	120 \| sensitive	43.247 \| moderate	192.91 \| moderate	41.96 \| good	0.291 \| good	0.656 \| good	0.268 \| good
2026-07-19T17:00:00.000Z	142 \| sensitive	52.105 \| moderate	235.95 \| moderate	43.927 \| good	0.3 \| good	0.514 \| good	0.275 \| good
2026-07-19T18:00:00.000Z	153 \| unhealthy	58.577 \| poor	257.974 \| poor	46.854 \| good	0.313 \| good	0.451 \| good	0.282 \| good
2026-07-19T19:00:00.000Z	159 \| unhealthy	66.604 \| poor	266.528 \| poor	51.272 \| good	0.307 \| good	0.437 \| good	0.279 \| good
2026-07-19T20:00:00.000Z	161 \| unhealthy	70.236 \| poor	270.528 \| poor	54.101 \| good	0.296 \| good	0.45 \| good	0.274 \| good
2026-07-19T21:00:00.000Z	169 \| unhealthy	81.498 \| poor	281.509 \| poor	54.448 \| good	0.288 \| good	0.484 \| good	0.271 \| good
2026-07-19T22:00:00.000Z	181 \| unhealthy	97.752 \| poor	298.341 \| poor	55.138 \| fine	0.285 \| good	0.541 \| good	0.27 \| good
2026-07-19T23:00:00.000Z	172 \| unhealthy	86.462 \| poor	286.714 \| poor	50.601 \| good	0.285 \| good	0.653 \| good	0.272 \| good
2026-07-20T00:00:00.000Z	103 \| sensitive	36.472 \| moderate	159.399 \| moderate	46.559 \| good	0.28 \| good	1.051 \| good	0.277 \| good
2026-07-20T01:00:00.000Z	117 \| sensitive	42 \| moderate	186.63 \| moderate	40.004 \| good	0.272 \| good	2.939 \| good	0.29 \| good
2026-07-20T02:00:00.000Z	134 \| sensitive	48.584 \| moderate	219.281 \| moderate	39.515 \| good	0.291 \| good	4.852 \| good	0.301 \| good
2026-07-20T03:00:00.000Z	152 \| unhealthy	57.46 \| poor	257.062 \| poor	37.876 \| good	0.319 \| good	5.867 \| good	0.306 \| good
2026-07-20T04:00:00.000Z	159 \| unhealthy	67.49 \| poor	266.943 \| poor	39.487 \| good	0.338 \| good	6.517 \| good	0.307 \| good
2026-07-20T05:00:00.000Z	173 \| unhealthy	87.184 \| poor	287.664 \| poor	39.048 \| good	0.343 \| good	6.588 \| good	0.305 \| good
2026-07-20T06:00:00.000Z	58 \| moderate	12.993 \| fine	13.185 \| good	33.559 \| good	0.349 \| good	6.292 \| good	0.295 \| good
2026-07-20T07:00:00.000Z	186 \| unhealthy	105.702 \| poor	306.251 \| poor	32.249 \| good	0.36 \| good	5.788 \| good	0.289 \| good

DeForest

Empower business decisions with accurate air quality data

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

0.14ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 02:00:00 on 2026-07-17.

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

The best air quality in Deforest, Wisconsin was recorded at 05:00:00 on 2026-07-18.

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

The real-time air quality index in Deforest, Wisconsin is 54, currently categorized as Moderate.

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 10.578 μg/m³.

What are the current PM₁₀ levels at Deforest, Wisconsin?

The current PM₁₀ levels in Deforest, Wisconsin are 34.06 μg/m³.

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

The current carbon monoxide (CO) level in Deforest, Wisconsin is 0.132 ppm.

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

The current sulfur dioxide (SO₂) levels in Deforest, Wisconsin are 0.438 ppb.

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

The current ozone (O₃) levels at Deforest, Wisconsin is 36.219 ppm.

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

The current nitrogen dioxide (NO₂) levels at Deforest, Wisconsin is 4.567 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-16T09:00:00.000Z	86 \| moderate	27.547 \| fine	96.486 \| fine	39.788 \| good	0.484 \| good	5.112 \| good	1.32 \| good
2026-07-16T10:00:00.000Z	134 \| sensitive	49.182 \| moderate	168.34 \| moderate	28.034 \| good	0.633 \| good	10.694 \| good	1.429 \| good
2026-07-16T11:00:00.000Z	176 \| unhealthy	91.077 \| poor	241.564 \| moderate	32.252 \| good	0.67 \| good	9.212 \| good	1.806 \| good
2026-07-16T12:00:00.000Z	359 \| hazardous	299.003 \| vPoor	400.112 \| poor	27.216 \| good	0.615 \| good	9.24 \| good	1.934 \| good
2026-07-16T13:00:00.000Z	276 \| vUnhealthy	200.617 \| poor	327.208 \| poor	29.398 \| good	0.615 \| good	7.097 \| good	1.934 \| good
2026-07-16T14:00:00.000Z	341 \| hazardous	276.27 \| vPoor	439.551 \| vPoor	28.827 \| good	0.652 \| good	4.517 \| good	1.905 \| good
2026-07-16T15:00:00.000Z	189 \| unhealthy	97.564 \| poor	331.675 \| poor	33.144 \| good	0.64 \| good	4.176 \| good	1.901 \| good
2026-07-16T16:00:00.000Z	209 \| vUnhealthy	133.95 \| poor	323.257 \| poor	38.508 \| good	0.651 \| good	3.513 \| good	1.784 \| good
2026-07-16T17:00:00.000Z	317 \| hazardous	245.589 \| poor	397.176 \| poor	38.034 \| good	0.64 \| good	2.636 \| good	1.646 \| good
2026-07-16T18:00:00.000Z	261 \| vUnhealthy	158.572 \| poor	397.119 \| poor	41.856 \| good	0.687 \| good	2.319 \| good	1.529 \| good
2026-07-16T19:00:00.000Z	380 \| hazardous	325.041 \| vPoor	465.428 \| vPoor	52.336 \| good	0.667 \| good	3.059 \| good	1.4 \| good
2026-07-16T20:00:00.000Z	331 \| hazardous	263.46 \| vPoor	407.112 \| poor	56.699 \| fine	0.626 \| good	1.973 \| good	1.266 \| good
2026-07-16T21:00:00.000Z	300 \| vUnhealthy	224.638 \| poor	359.862 \| poor	60.143 \| fine	0.651 \| good	2.43 \| good	1.187 \| good
2026-07-16T22:00:00.000Z	279 \| vUnhealthy	204.38 \| poor	290.443 \| poor	64.625 \| fine	0.644 \| good	3.166 \| good	1.087 \| good
2026-07-16T23:00:00.000Z	347 \| hazardous	283.407 \| vPoor	401.656 \| poor	69.015 \| fine	0.633 \| good	2.298 \| good	1.056 \| good
2026-07-17T00:00:00.000Z	219 \| vUnhealthy	144.008 \| poor	240.361 \| moderate	53.111 \| good	0.615 \| good	3.185 \| good	1.067 \| good
2026-07-17T01:00:00.000Z	184 \| unhealthy	102.67 \| poor	223.676 \| moderate	65.75 \| fine	0.56 \| good	4.95 \| good	1.135 \| good
2026-07-17T02:00:00.000Z	318 \| hazardous	246.86 \| poor	403.759 \| poor	58.235 \| fine	0.549 \| good	5.546 \| good	1.22 \| good
2026-07-17T03:00:00.000Z	229 \| vUnhealthy	154.211 \| poor	339.622 \| poor	58.306 \| fine	0.477 \| good	4.21 \| good	1.353 \| good
2026-07-17T04:00:00.000Z	248 \| vUnhealthy	173.028 \| poor	208.068 \| moderate	52.471 \| good	0.513 \| good	4.859 \| good	1.531 \| good
2026-07-17T05:00:00.000Z	266 \| vUnhealthy	191.378 \| poor	313.695 \| poor	37.15 \| good	0.483 \| good	4.87 \| good	1.453 \| good
2026-07-17T06:00:00.000Z	265 \| vUnhealthy	189.981 \| poor	327.376 \| poor	40.243 \| good	0.537 \| good	5.377 \| good	1.595 \| good
2026-07-17T07:00:00.000Z	226 \| vUnhealthy	150.526 \| poor	287.035 \| poor	45.643 \| good	0.536 \| good	5.472 \| good	1.586 \| good
2026-07-17T08:00:00.000Z	265 \| vUnhealthy	190.077 \| poor	302.817 \| poor	31.548 \| good	0.501 \| good	4.885 \| good	1.524 \| good
2026-07-17T09:00:00.000Z	283 \| vUnhealthy	208.3 \| poor	381.514 \| poor	37.739 \| good	0.428 \| good	5.669 \| good	1.603 \| good
2026-07-17T10:00:00.000Z	323 \| hazardous	252.947 \| vPoor	391.69 \| poor	35.546 \| good	0.464 \| good	11.389 \| good	1.617 \| good
2026-07-17T11:00:00.000Z	305 \| hazardous	231.458 \| poor	413.806 \| poor	36.394 \| good	0.459 \| good	12.227 \| good	1.708 \| good
2026-07-17T12:00:00.000Z	321 \| hazardous	250.775 \| vPoor	412.915 \| poor	28.868 \| good	0.429 \| good	13.049 \| good	1.775 \| good
2026-07-17T13:00:00.000Z	300 \| vUnhealthy	224.701 \| poor	401.783 \| poor	27.482 \| good	0.429 \| good	12.56 \| good	1.793 \| good
2026-07-17T14:00:00.000Z	324 \| hazardous	254.528 \| vPoor	427.307 \| vPoor	41.239 \| good	0.818 \| good	12.236 \| good	1.719 \| good
2026-07-17T15:00:00.000Z	299 \| vUnhealthy	224.056 \| poor	401.599 \| poor	34.737 \| good	0.972 \| good	8.784 \| good	1.467 \| good
2026-07-17T16:00:00.000Z	240 \| vUnhealthy	165.017 \| poor	296.003 \| poor	45.397 \| good	0.857 \| good	2.369 \| good	1.062 \| good
2026-07-17T17:00:00.000Z	206 \| vUnhealthy	131.451 \| poor	275.249 \| poor	47.195 \| good	0.58 \| good	2.077 \| good	0.926 \| good
2026-07-17T18:00:00.000Z	177 \| unhealthy	93.09 \| poor	245.765 \| moderate	47.804 \| good	0.588 \| good	1.403 \| good	0.8 \| good
2026-07-17T19:00:00.000Z	171 \| unhealthy	84.049 \| poor	150.795 \| fine	47.849 \| good	0.697 \| good	5.145 \| good	0.486 \| good
2026-07-17T20:00:00.000Z	172 \| unhealthy	86.47 \| poor	209.627 \| moderate	46.068 \| good	0.697 \| good	4.243 \| good	0.395 \| good
2026-07-17T21:00:00.000Z	77 \| moderate	23.206 \| fine	57.912 \| fine	48.52 \| good	0.554 \| good	5.1 \| good	0.325 \| good
2026-07-17T22:00:00.000Z	66 \| moderate	17.174 \| fine	39.491 \| good	45.425 \| good	0.469 \| good	4.728 \| good	0.355 \| good
2026-07-17T23:00:00.000Z	58 \| moderate	13.224 \| fine	40.943 \| good	44.211 \| good	0.414 \| good	5.19 \| good	0.329 \| good
2026-07-18T00:00:00.000Z	66 \| moderate	17.08 \| fine	35.24 \| good	42.598 \| good	0.407 \| good	4.734 \| good	0.321 \| good
2026-07-18T01:00:00.000Z	56 \| moderate	11.656 \| good	43.229 \| good	40.353 \| good	0.436 \| good	4.603 \| good	0.223 \| good
2026-07-18T02:00:00.000Z	64 \| moderate	15.56 \| fine	61.168 \| fine	40.454 \| good	0.407 \| good	6.287 \| good	0.205 \| good
2026-07-18T03:00:00.000Z	62 \| moderate	14.556 \| fine	48.727 \| good	40.679 \| good	0.425 \| good	6.532 \| good	0.219 \| good
2026-07-18T04:00:00.000Z	54 \| moderate	11.431 \| good	37.572 \| good	40.947 \| good	0.377 \| good	5.708 \| good	0.187 \| good
2026-07-18T05:00:00.000Z	52 \| moderate	10.446 \| good	47.714 \| good	37.158 \| good	0.431 \| good	4.529 \| good	0.156 \| good
2026-07-18T06:00:00.000Z	54 \| moderate	10.537 \| good	42.389 \| good	36.796 \| good	0.438 \| good	4.347 \| good	0.14 \| good
2026-07-18T07:00:00.000Z	54 \| moderate	10.578 \| good	34.06 \| good	36.219 \| good	0.438 \| good	4.567 \| good	0.132 \| good
2026-07-18T08:00:00.000Z	54 \| moderate	10.578 \| good	34.06 \| good	36.219 \| good	0.438 \| good	4.567 \| good	0.132 \| good
2026-07-18T08:00:00.000Z	38 \| good	6.896 \| good	30.494 \| good	37.788 \| good	0.25 \| good	2.436 \| good	0.162 \| good
2026-07-18T09:00:00.000Z	33 \| good	6.37 \| good	28.229 \| good	36.441 \| good	0.239 \| good	2.456 \| good	0.158 \| good
2026-07-18T10:00:00.000Z	54 \| moderate	11.401 \| good	50.418 \| good	29.726 \| good	0.228 \| good	2.485 \| good	0.153 \| good
2026-07-18T11:00:00.000Z	58 \| moderate	12.701 \| fine	57.412 \| fine	30.441 \| good	0.223 \| good	2.515 \| good	0.148 \| good
2026-07-18T12:00:00.000Z	54 \| moderate	10.851 \| good	48.105 \| good	27.933 \| good	0.218 \| good	2.26 \| good	0.145 \| good
2026-07-18T13:00:00.000Z	52 \| moderate	9.763 \| good	43.11 \| good	31.783 \| good	0.226 \| good	1.739 \| good	0.145 \| good
2026-07-18T14:00:00.000Z	54 \| moderate	10.897 \| good	48.045 \| good	34.294 \| good	0.224 \| good	1.093 \| good	0.148 \| good
2026-07-18T15:00:00.000Z	54 \| moderate	11.178 \| good	49.446 \| good	38.725 \| good	0.206 \| good	0.715 \| good	0.152 \| good
2026-07-18T16:00:00.000Z	52 \| moderate	10.466 \| good	46.401 \| good	40.56 \| good	0.181 \| good	0.521 \| good	0.155 \| good
2026-07-18T17:00:00.000Z	54 \| moderate	11.02 \| good	48.852 \| good	38.945 \| good	0.159 \| good	0.419 \| good	0.154 \| good
2026-07-18T18:00:00.000Z	54 \| moderate	11.159 \| good	49.402 \| good	40.014 \| good	0.147 \| good	0.374 \| good	0.153 \| good
2026-07-18T19:00:00.000Z	54 \| moderate	10.859 \| good	47.866 \| good	39.797 \| good	0.145 \| good	0.365 \| good	0.152 \| good
2026-07-18T20:00:00.000Z	56 \| moderate	12.023 \| good	53.767 \| good	40.795 \| good	0.146 \| good	0.374 \| good	0.152 \| good
2026-07-18T21:00:00.000Z	62 \| moderate	14.688 \| fine	65.217 \| fine	38.547 \| good	0.148 \| good	0.403 \| good	0.154 \| good
2026-07-18T22:00:00.000Z	60 \| moderate	14.015 \| fine	62.452 \| fine	37.586 \| good	0.155 \| good	0.465 \| good	0.162 \| good
2026-07-18T23:00:00.000Z	54 \| moderate	10.733 \| good	47.299 \| good	36.074 \| good	0.179 \| good	0.593 \| good	0.182 \| good
2026-07-19T00:00:00.000Z	79 \| moderate	23.515 \| fine	102.435 \| fine	39.825 \| good	0.225 \| good	0.891 \| good	0.217 \| good
2026-07-19T01:00:00.000Z	154 \| unhealthy	59.798 \| poor	257.142 \| poor	46.67 \| good	0.282 \| good	1.59 \| good	0.263 \| good
2026-07-19T02:00:00.000Z	187 \| unhealthy	107.217 \| poor	308.712 \| poor	53.671 \| good	0.371 \| good	2.381 \| good	0.322 \| good
2026-07-19T03:00:00.000Z	184 \| unhealthy	101.527 \| poor	301.845 \| poor	51.084 \| good	0.486 \| good	2.772 \| good	0.396 \| good
2026-07-19T04:00:00.000Z	187 \| unhealthy	107.229 \| poor	308.4 \| poor	50.142 \| good	0.568 \| good	2.898 \| good	0.46 \| good
2026-07-19T05:00:00.000Z	201 \| vUnhealthy	126.144 \| poor	327.618 \| poor	50.008 \| good	0.581 \| good	2.859 \| good	0.491 \| good
2026-07-19T06:00:00.000Z	202 \| vUnhealthy	127.488 \| poor	329.306 \| poor	46.85 \| good	0.545 \| good	2.844 \| good	0.492 \| good
2026-07-19T07:00:00.000Z	197 \| unhealthy	121.379 \| poor	322.966 \| poor	42.401 \| good	0.49 \| good	3.21 \| good	0.477 \| good
2026-07-19T08:00:00.000Z	193 \| unhealthy	114.705 \| poor	315.798 \| poor	40.283 \| good	0.451 \| good	3.815 \| good	0.46 \| good
2026-07-19T09:00:00.000Z	191 \| unhealthy	112.29 \| poor	313.44 \| poor	37.378 \| good	0.439 \| good	4.677 \| good	0.446 \| good
2026-07-19T10:00:00.000Z	197 \| unhealthy	120.697 \| poor	322.098 \| poor	37.299 \| good	0.441 \| good	5.168 \| good	0.43 \| good
2026-07-19T11:00:00.000Z	194 \| unhealthy	117.417 \| poor	318.923 \| poor	37.276 \| good	0.437 \| good	6.308 \| good	0.422 \| good
2026-07-19T12:00:00.000Z	178 \| unhealthy	94.004 \| poor	294.484 \| poor	39.164 \| good	0.396 \| good	5.224 \| good	0.405 \| good
2026-07-19T13:00:00.000Z	155 \| unhealthy	61.035 \| poor	260.382 \| poor	40.735 \| good	0.36 \| good	2.641 \| good	0.356 \| good
2026-07-19T14:00:00.000Z	132 \| sensitive	47.92 \| moderate	216.347 \| moderate	40.981 \| good	0.344 \| good	1.557 \| good	0.309 \| good
2026-07-19T15:00:00.000Z	117 \| sensitive	42.302 \| moderate	188.493 \| moderate	41.323 \| good	0.312 \| good	0.975 \| good	0.278 \| good
2026-07-19T16:00:00.000Z	120 \| sensitive	43.247 \| moderate	192.91 \| moderate	41.96 \| good	0.291 \| good	0.656 \| good	0.268 \| good
2026-07-19T17:00:00.000Z	142 \| sensitive	52.105 \| moderate	235.95 \| moderate	43.927 \| good	0.3 \| good	0.514 \| good	0.275 \| good
2026-07-19T18:00:00.000Z	153 \| unhealthy	58.577 \| poor	257.974 \| poor	46.854 \| good	0.313 \| good	0.451 \| good	0.282 \| good
2026-07-19T19:00:00.000Z	159 \| unhealthy	66.604 \| poor	266.528 \| poor	51.272 \| good	0.307 \| good	0.437 \| good	0.279 \| good
2026-07-19T20:00:00.000Z	161 \| unhealthy	70.236 \| poor	270.528 \| poor	54.101 \| good	0.296 \| good	0.45 \| good	0.274 \| good
2026-07-19T21:00:00.000Z	169 \| unhealthy	81.498 \| poor	281.509 \| poor	54.448 \| good	0.288 \| good	0.484 \| good	0.271 \| good
2026-07-19T22:00:00.000Z	181 \| unhealthy	97.752 \| poor	298.341 \| poor	55.138 \| fine	0.285 \| good	0.541 \| good	0.27 \| good
2026-07-19T23:00:00.000Z	172 \| unhealthy	86.462 \| poor	286.714 \| poor	50.601 \| good	0.285 \| good	0.653 \| good	0.272 \| good
2026-07-20T00:00:00.000Z	103 \| sensitive	36.472 \| moderate	159.399 \| moderate	46.559 \| good	0.28 \| good	1.051 \| good	0.277 \| good
2026-07-20T01:00:00.000Z	117 \| sensitive	42 \| moderate	186.63 \| moderate	40.004 \| good	0.272 \| good	2.939 \| good	0.29 \| good
2026-07-20T02:00:00.000Z	134 \| sensitive	48.584 \| moderate	219.281 \| moderate	39.515 \| good	0.291 \| good	4.852 \| good	0.301 \| good
2026-07-20T03:00:00.000Z	152 \| unhealthy	57.46 \| poor	257.062 \| poor	37.876 \| good	0.319 \| good	5.867 \| good	0.306 \| good
2026-07-20T04:00:00.000Z	159 \| unhealthy	67.49 \| poor	266.943 \| poor	39.487 \| good	0.338 \| good	6.517 \| good	0.307 \| good
2026-07-20T05:00:00.000Z	173 \| unhealthy	87.184 \| poor	287.664 \| poor	39.048 \| good	0.343 \| good	6.588 \| good	0.305 \| good
2026-07-20T06:00:00.000Z	58 \| moderate	12.993 \| fine	13.185 \| good	33.559 \| good	0.349 \| good	6.292 \| good	0.295 \| good
2026-07-20T07:00:00.000Z	186 \| unhealthy	105.702 \| poor	306.251 \| poor	32.249 \| good	0.36 \| good	5.788 \| good	0.289 \| 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)

Track live DeForest, Wisconsin air quality forecast and history

Empower business decisions with accurate air quality data

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

How accurate is Wisconsin, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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?

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

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?