What are the current PM10 levels at Greenfield, Wisconsin?

The current PM10 levels in Greenfield, Wisconsin are 84.349 μg/m3.

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

The current sulfur dioxide (SO2) levels in Greenfield, Wisconsin are 0.159 ppb.

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

The current ozone (O3) levels at Greenfield, Wisconsin is 40.35 ppm.

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

The current nitrogen dioxide (NO2) levels at Greenfield, Wisconsin is 8.257 ppb.

Live air quality index in Greenfield, Wisconsin today

Name: Live air pollution levels in Greenfield, Wisconsin today
Creator: Ambee

Stay updated with real-time air quality in Greenfield, 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

Greenfield, Wisconsin

Last updated: ... (Local time)

Major air pollutants in Greenfield, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

31.78 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

84.35 μg/m³

155

255

425

605+

Ozone (O₃)

40.35 ppb

201

201+

Sulfur Dioxide (SO₂)

0.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Greenfield, Wisconsin

Get Live Pollen Counts

Greenfield, Wisconsin

Scroll To Air Quality Map

Track live Greenfield, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	44 \| good	8.091 \| good	32.294 \| good	39.179 \| good	0.171 \| good	3.228 \| good	0.395 \| good
2025-06-04T08:00:00.000Z	60 \| moderate	14.022 \| fine	46.866 \| good	35.688 \| good	0.392 \| good	5.762 \| good	0.818 \| good
2025-06-04T09:00:00.000Z	73 \| moderate	21.48 \| fine	65.772 \| fine	31.032 \| good	0.364 \| good	5.442 \| good	1.153 \| good
2025-06-04T10:00:00.000Z	86 \| moderate	28.225 \| fine	92.679 \| fine	28.267 \| good	0.477 \| good	4.506 \| good	1.153 \| good
2025-06-04T11:00:00.000Z	96 \| moderate	32.796 \| fine	112.642 \| fine	27.923 \| good	0.397 \| good	5.903 \| good	1.314 \| good
2025-06-04T12:00:00.000Z	94 \| moderate	31.758 \| fine	112.774 \| fine	30.981 \| good	0.331 \| good	6.584 \| good	0.883 \| good
2025-06-04T13:00:00.000Z	139 \| sensitive	51.076 \| moderate	230.846 \| moderate	36.665 \| good	0.269 \| good	2.589 \| good	0.211 \| good
2025-06-04T14:00:00.000Z	134 \| sensitive	49.172 \| moderate	152.038 \| fine	32.611 \| good	0.351 \| good	4.512 \| good	0.894 \| good
2025-06-04T15:00:00.000Z	134 \| sensitive	48.534 \| moderate	154.675 \| fine	36.037 \| good	0.395 \| good	3.684 \| good	0.884 \| good
2025-06-04T16:00:00.000Z	122 \| sensitive	43.97 \| moderate	156.364 \| moderate	38.469 \| good	0.422 \| good	2.962 \| good	0.561 \| good
2025-06-04T17:00:00.000Z	132 \| sensitive	47.994 \| moderate	174.252 \| moderate	36.592 \| good	0.513 \| good	5.077 \| good	0.834 \| good
2025-06-04T18:00:00.000Z	144 \| sensitive	53.017 \| moderate	184.436 \| moderate	37.023 \| good	0.677 \| good	3.428 \| good	0.833 \| good
2025-06-04T19:00:00.000Z	144 \| sensitive	52.743 \| moderate	178.122 \| moderate	40.696 \| good	0.372 \| good	3.086 \| good	0.744 \| good
2025-06-04T20:00:00.000Z	149 \| sensitive	55.212 \| moderate	176.416 \| moderate	41.999 \| good	0.337 \| good	3.893 \| good	0.485 \| good
2025-06-04T21:00:00.000Z	153 \| unhealthy	59.178 \| poor	216.808 \| moderate	42.638 \| good	0.438 \| good	1.915 \| good	0.381 \| good
2025-06-04T22:00:00.000Z	132 \| sensitive	47.801 \| moderate	159.218 \| moderate	44.003 \| good	0.409 \| good	2.167 \| good	0.381 \| good
2025-06-04T23:00:00.000Z	129 \| sensitive	46.789 \| moderate	162.142 \| moderate	42.038 \| good	0.384 \| good	2.3 \| good	0.381 \| good
2025-06-05T00:00:00.000Z	115 \| sensitive	41.351 \| moderate	143.528 \| fine	41.591 \| good	0.162 \| good	3.187 \| good	0.303 \| good
2025-06-05T01:00:00.000Z	112 \| sensitive	39.795 \| moderate	139.682 \| fine	40.546 \| good	0.163 \| good	3.786 \| good	0.396 \| good
2025-06-05T02:00:00.000Z	115 \| sensitive	41.071 \| moderate	137.491 \| fine	37.491 \| good	0.255 \| good	15.293 \| good	0.576 \| good
2025-06-05T03:00:00.000Z	117 \| sensitive	41.791 \| moderate	135.319 \| fine	28.655 \| good	0.341 \| good	22.564 \| good	0.576 \| good
2025-06-05T04:00:00.000Z	117 \| sensitive	42.24 \| moderate	149.517 \| fine	21.53 \| good	0.34 \| good	21.189 \| good	0.74 \| good
2025-06-05T05:00:00.000Z	117 \| sensitive	42.47 \| moderate	159.464 \| moderate	17.584 \| good	0.273 \| good	20.739 \| good	0.656 \| good
2025-06-05T06:00:00.000Z	122 \| sensitive	43.793 \| moderate	174.856 \| moderate	11.48 \| good	0.276 \| good	19.659 \| good	0.656 \| good
2025-06-05T07:00:00.000Z	124 \| sensitive	45.15 \| moderate	176.91 \| moderate	6.452 \| good	0.417 \| good	22.407 \| good	0.571 \| good
2025-06-05T08:00:00.000Z	124 \| sensitive	45.368 \| moderate	160.487 \| moderate	5.491 \| good	0.192 \| good	19.347 \| good	0.489 \| good
2025-06-05T09:00:00.000Z	127 \| sensitive	46.277 \| moderate	171.893 \| moderate	5.78 \| good	0.173 \| good	18.153 \| good	0.573 \| good
2025-06-05T10:00:00.000Z	129 \| sensitive	46.838 \| moderate	166.633 \| moderate	5.126 \| good	0.249 \| good	20.345 \| good	0.571 \| good
2025-06-05T11:00:00.000Z	129 \| sensitive	47.213 \| moderate	155.592 \| moderate	5.379 \| good	0.325 \| good	22.267 \| good	0.744 \| good
2025-06-05T12:00:00.000Z	129 \| sensitive	47.437 \| moderate	173.543 \| moderate	7.758 \| good	0.255 \| good	20.756 \| good	0.745 \| good
2025-06-05T13:00:00.000Z	129 \| sensitive	46.856 \| moderate	169.551 \| moderate	12.423 \| good	0.385 \| good	14.202 \| good	0.576 \| good
2025-06-05T14:00:00.000Z	127 \| sensitive	46.487 \| moderate	172.43 \| moderate	20.665 \| good	0.208 \| good	5.972 \| good	0.404 \| good
2025-06-05T15:00:00.000Z	129 \| sensitive	46.712 \| moderate	176.33 \| moderate	25.149 \| good	0.247 \| good	3.544 \| good	0.395 \| good
2025-06-05T16:00:00.000Z	129 \| sensitive	46.572 \| moderate	173.735 \| moderate	31.339 \| good	0.474 \| good	4.218 \| good	0.395 \| good
2025-06-05T17:00:00.000Z	129 \| sensitive	47.324 \| moderate	178.117 \| moderate	37.044 \| good	0.76 \| good	4.025 \| good	0.386 \| good
2025-06-05T18:00:00.000Z	129 \| sensitive	47.262 \| moderate	158.608 \| moderate	44.065 \| good	0.538 \| good	2.264 \| good	0.384 \| good
2025-06-05T19:00:00.000Z	129 \| sensitive	47.091 \| moderate	156.376 \| moderate	47.594 \| good	0.389 \| good	2.53 \| good	0.297 \| good
2025-06-05T20:00:00.000Z	129 \| sensitive	47.127 \| moderate	165.05 \| moderate	47.182 \| good	0.661 \| good	2.521 \| good	0.295 \| good
2025-06-05T21:00:00.000Z	132 \| sensitive	47.814 \| moderate	190.774 \| moderate	48.673 \| good	0.698 \| good	2.173 \| good	0.29 \| good
2025-06-05T22:00:00.000Z	124 \| sensitive	45.432 \| moderate	190.556 \| moderate	50.424 \| good	0.374 \| good	3.324 \| good	0.29 \| good
2025-06-05T23:00:00.000Z	124 \| sensitive	45.281 \| moderate	175.035 \| moderate	52.266 \| good	0.38 \| good	4.497 \| good	0.287 \| good
2025-06-06T00:00:00.000Z	107 \| sensitive	38.262 \| moderate	149.301 \| fine	49.961 \| good	0.594 \| good	4.762 \| good	0.29 \| good
2025-06-06T01:00:00.000Z	94 \| moderate	31.526 \| fine	113.713 \| fine	46.967 \| good	0.806 \| good	5.106 \| good	0.29 \| good
2025-06-06T02:00:00.000Z	102 \| sensitive	35.733 \| moderate	141.412 \| fine	45.977 \| good	0.204 \| good	4.597 \| good	0.292 \| good
2025-06-06T03:00:00.000Z	99 \| moderate	34.851 \| fine	135.482 \| fine	46.139 \| good	0.424 \| good	5.362 \| good	0.295 \| good
2025-06-06T04:00:00.000Z	97 \| moderate	34.257 \| fine	132.408 \| fine	41.623 \| good	0.147 \| good	6.103 \| good	0.293 \| good
2025-06-06T05:00:00.000Z	99 \| moderate	35.431 \| fine	124.528 \| fine	35.437 \| good	0.701 \| good	10.06 \| good	0.379 \| good
2025-06-06T06:00:00.000Z	107 \| sensitive	37.799 \| moderate	141.481 \| fine	28.533 \| good	0.611 \| good	12.312 \| good	0.382 \| good
2025-06-06T05:00:00.000Z	94 \| moderate	31.78 \| fine	84.349 \| fine	40.35 \| good	0.159 \| good	8.257 \| good	0.296 \| good
2025-06-06T06:00:00.000Z	124 \| sensitive	44.811 \| moderate	200.394 \| moderate	27.977 \| good	0.331 \| good	4.082 \| good	0.208 \| good
2025-06-06T07:00:00.000Z	113 \| sensitive	40.316 \| moderate	178.717 \| moderate	25.599 \| good	0.34 \| good	4.234 \| good	0.199 \| good
2025-06-06T08:00:00.000Z	96 \| moderate	32.867 \| fine	142.143 \| fine	22.617 \| good	0.299 \| good	3.778 \| good	0.197 \| good
2025-06-06T09:00:00.000Z	84 \| moderate	27.416 \| fine	119.334 \| fine	22.273 \| good	0.257 \| good	3.323 \| good	0.194 \| good
2025-06-06T10:00:00.000Z	71 \| moderate	20.346 \| fine	89.345 \| fine	21.234 \| good	0.384 \| good	6.602 \| good	0.216 \| good
2025-06-06T11:00:00.000Z	77 \| moderate	22.635 \| fine	98.877 \| fine	18.514 \| good	0.364 \| good	6.27 \| good	0.216 \| good
2025-06-06T12:00:00.000Z	79 \| moderate	23.742 \| fine	103.76 \| fine	23.953 \| good	0.343 \| good	5.939 \| good	0.215 \| good
2025-06-06T13:00:00.000Z	79 \| moderate	23.851 \| fine	104.064 \| fine	31.968 \| good	0.584 \| good	5.36 \| good	0.24 \| good
2025-06-06T14:00:00.000Z	71 \| moderate	20.3 \| fine	89.123 \| fine	34.867 \| good	0.555 \| good	6.321 \| good	0.251 \| good
2025-06-06T15:00:00.000Z	75 \| moderate	21.558 \| fine	94.504 \| fine	36.765 \| good	0.526 \| good	7.283 \| good	0.263 \| good
2025-06-06T16:00:00.000Z	77 \| moderate	23.145 \| fine	101.79 \| fine	40.172 \| good	0.578 \| good	3.417 \| good	0.22 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	18.996 \| fine	83.512 \| fine	45.632 \| good	0.555 \| good	4.583 \| good	0.237 \| good
2025-06-06T18:00:00.000Z	67 \| moderate	17.551 \| fine	77.733 \| fine	47.359 \| good	0.531 \| good	5.749 \| good	0.253 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	15.747 \| fine	69.792 \| fine	44.636 \| good	0.555 \| good	3.029 \| good	0.212 \| good
2025-06-06T20:00:00.000Z	62 \| moderate	15.384 \| fine	68.482 \| fine	43.488 \| good	0.538 \| good	4.185 \| good	0.229 \| good
2025-06-06T21:00:00.000Z	58 \| moderate	13.167 \| fine	59.179 \| fine	42.545 \| good	0.521 \| good	5.341 \| good	0.245 \| good
2025-06-06T22:00:00.000Z	58 \| moderate	13.148 \| fine	58.685 \| fine	43.65 \| good	0.615 \| good	7.737 \| good	0.248 \| good
2025-06-06T23:00:00.000Z	49 \| good	9.174 \| good	40.463 \| good	39.987 \| good	0.605 \| good	9.828 \| good	0.27 \| good
2025-06-07T00:00:00.000Z	49 \| good	8.528 \| good	37.782 \| good	33.375 \| good	0.596 \| good	11.919 \| good	0.292 \| good
2025-06-07T01:00:00.000Z	33 \| good	5.893 \| good	25.868 \| good	30.423 \| good	0.693 \| good	9.914 \| good	0.256 \| good
2025-06-07T02:00:00.000Z	52 \| moderate	9.613 \| good	42.518 \| good	31.811 \| good	0.662 \| good	9.796 \| good	0.255 \| good
2025-06-07T03:00:00.000Z	64 \| moderate	15.581 \| fine	69.849 \| fine	33.297 \| good	0.631 \| good	9.679 \| good	0.254 \| good
2025-06-07T04:00:00.000Z	38 \| good	6.797 \| good	30.062 \| good	34.45 \| good	0.55 \| good	6.174 \| good	0.223 \| good
2025-06-07T05:00:00.000Z	30 \| good	1.993 \| good	8.315 \| good	31.594 \| good	0.472 \| good	5.612 \| good	0.219 \| good
2025-06-07T06:00:00.000Z	25 \| good	1.962 \| good	8.127 \| good	27.036 \| good	0.395 \| good	5.05 \| good	0.215 \| good
2025-06-07T07:00:00.000Z	23 \| good	2.685 \| good	11.01 \| good	25.011 \| good	0.423 \| good	4.912 \| good	0.205 \| good
2025-06-07T08:00:00.000Z	22 \| good	2.735 \| good	11.32 \| good	24.165 \| good	0.36 \| good	4.358 \| good	0.203 \| good
2025-06-07T09:00:00.000Z	24 \| good	2.861 \| good	11.999 \| good	25.976 \| good	0.296 \| good	3.804 \| good	0.201 \| good
2025-06-07T10:00:00.000Z	28 \| good	2.111 \| good	8.518 \| good	29.553 \| good	0.317 \| good	3.695 \| good	0.199 \| good
2025-06-07T11:00:00.000Z	26 \| good	2.832 \| good	11.552 \| good	28.125 \| good	0.281 \| good	3.448 \| good	0.199 \| good
2025-06-07T12:00:00.000Z	28 \| good	3.758 \| good	16.36 \| good	30.447 \| good	0.246 \| good	3.2 \| good	0.199 \| good
2025-06-07T13:00:00.000Z	33 \| good	5.903 \| good	25.751 \| good	31.811 \| good	0.395 \| good	2.875 \| good	0.205 \| good
2025-06-07T14:00:00.000Z	31 \| good	5.329 \| good	23.066 \| good	32.762 \| good	0.353 \| good	3.104 \| good	0.211 \| good
2025-06-07T15:00:00.000Z	29 \| good	3.026 \| good	12.47 \| good	31.381 \| good	0.311 \| good	3.332 \| good	0.217 \| good
2025-06-07T16:00:00.000Z	30 \| good	3.95 \| good	17.116 \| good	31.87 \| good	0.44 \| good	1.882 \| good	0.195 \| good
2025-06-07T17:00:00.000Z	31 \| good	3.59 \| good	15.845 \| good	32.91 \| good	0.407 \| good	2.412 \| good	0.207 \| good
2025-06-07T18:00:00.000Z	30 \| good	4.914 \| good	21.365 \| good	32.27 \| good	0.375 \| good	2.942 \| good	0.219 \| good
2025-06-07T19:00:00.000Z	33 \| good	6.284 \| good	27.919 \| good	31.531 \| good	0.552 \| good	2.172 \| good	0.195 \| good
2025-06-07T20:00:00.000Z	38 \| good	6.845 \| good	30.189 \| good	30.826 \| good	0.511 \| good	2.731 \| good	0.207 \| good
2025-06-07T21:00:00.000Z	33 \| good	5.854 \| good	25.461 \| good	31.098 \| good	0.47 \| good	3.289 \| good	0.219 \| good
2025-06-07T22:00:00.000Z	44 \| good	7.976 \| good	35.074 \| good	32.267 \| good	0.686 \| good	6.291 \| good	0.225 \| good
2025-06-07T23:00:00.000Z	31 \| good	4.443 \| good	19.181 \| good	34.192 \| good	0.604 \| good	7.292 \| good	0.237 \| good
2025-06-08T00:00:00.000Z	66 \| moderate	16.728 \| fine	17.148 \| good	45.761 \| good	0.522 \| good	8.298 \| good	0.25 \| good
2025-06-08T01:00:00.000Z	33 \| good	5.987 \| good	26.149 \| good	34.617 \| good	0.714 \| good	9.163 \| good	0.241 \| good
2025-06-08T02:00:00.000Z	33 \| good	6.413 \| good	28.852 \| good	32.602 \| good	0.641 \| good	9.457 \| good	0.243 \| good
2025-06-08T03:00:00.000Z	38 \| good	6.762 \| good	30.046 \| good	30.855 \| good	0.568 \| good	9.752 \| good	0.245 \| good
2025-06-08T04:00:00.000Z	56 \| moderate	11.613 \| good	51.529 \| good	30.323 \| good	0.677 \| good	8.801 \| good	0.234 \| good
2025-06-08T05:00:00.000Z	54 \| moderate	11.329 \| good	49.929 \| good	30.267 \| good	0.625 \| good	8.785 \| good	0.231 \| good

Greenfield

Empower business decisions with accurate air quality data

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

0.29ppm

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 Greenfield, Wisconsin updated?

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

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

The worst air quality in Greenfield, Wisconsin was recorded at 08:00:00 on 2025-06-05.

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

The best air quality in Greenfield, Wisconsin was recorded at 03:00:00 on 2025-06-06.

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

The real-time air quality index in Greenfield, Wisconsin is 94, currently categorized as Moderate.

Which pollutant is found most often in Greenfield, Wisconsin?

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

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

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

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

The measured PM_2.5 levels in Greenfield, Wisconsin at present are 31.78 μg/m³.

What are the current PM₁₀ levels at Greenfield, Wisconsin?

The current PM₁₀ levels in Greenfield, Wisconsin are 84.349 μg/m³.

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

The current carbon monoxide (CO) level in Greenfield, Wisconsin is 0.296 ppm.

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

The current sulfur dioxide (SO₂) levels in Greenfield, Wisconsin are 0.159 ppb.

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

The current ozone (O₃) levels at Greenfield, Wisconsin is 40.35 ppm.

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

The current nitrogen dioxide (NO₂) levels at Greenfield, Wisconsin is 8.257 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	44 \| good	8.091 \| good	32.294 \| good	39.179 \| good	0.171 \| good	3.228 \| good	0.395 \| good
2025-06-04T08:00:00.000Z	60 \| moderate	14.022 \| fine	46.866 \| good	35.688 \| good	0.392 \| good	5.762 \| good	0.818 \| good
2025-06-04T09:00:00.000Z	73 \| moderate	21.48 \| fine	65.772 \| fine	31.032 \| good	0.364 \| good	5.442 \| good	1.153 \| good
2025-06-04T10:00:00.000Z	86 \| moderate	28.225 \| fine	92.679 \| fine	28.267 \| good	0.477 \| good	4.506 \| good	1.153 \| good
2025-06-04T11:00:00.000Z	96 \| moderate	32.796 \| fine	112.642 \| fine	27.923 \| good	0.397 \| good	5.903 \| good	1.314 \| good
2025-06-04T12:00:00.000Z	94 \| moderate	31.758 \| fine	112.774 \| fine	30.981 \| good	0.331 \| good	6.584 \| good	0.883 \| good
2025-06-04T13:00:00.000Z	139 \| sensitive	51.076 \| moderate	230.846 \| moderate	36.665 \| good	0.269 \| good	2.589 \| good	0.211 \| good
2025-06-04T14:00:00.000Z	134 \| sensitive	49.172 \| moderate	152.038 \| fine	32.611 \| good	0.351 \| good	4.512 \| good	0.894 \| good
2025-06-04T15:00:00.000Z	134 \| sensitive	48.534 \| moderate	154.675 \| fine	36.037 \| good	0.395 \| good	3.684 \| good	0.884 \| good
2025-06-04T16:00:00.000Z	122 \| sensitive	43.97 \| moderate	156.364 \| moderate	38.469 \| good	0.422 \| good	2.962 \| good	0.561 \| good
2025-06-04T17:00:00.000Z	132 \| sensitive	47.994 \| moderate	174.252 \| moderate	36.592 \| good	0.513 \| good	5.077 \| good	0.834 \| good
2025-06-04T18:00:00.000Z	144 \| sensitive	53.017 \| moderate	184.436 \| moderate	37.023 \| good	0.677 \| good	3.428 \| good	0.833 \| good
2025-06-04T19:00:00.000Z	144 \| sensitive	52.743 \| moderate	178.122 \| moderate	40.696 \| good	0.372 \| good	3.086 \| good	0.744 \| good
2025-06-04T20:00:00.000Z	149 \| sensitive	55.212 \| moderate	176.416 \| moderate	41.999 \| good	0.337 \| good	3.893 \| good	0.485 \| good
2025-06-04T21:00:00.000Z	153 \| unhealthy	59.178 \| poor	216.808 \| moderate	42.638 \| good	0.438 \| good	1.915 \| good	0.381 \| good
2025-06-04T22:00:00.000Z	132 \| sensitive	47.801 \| moderate	159.218 \| moderate	44.003 \| good	0.409 \| good	2.167 \| good	0.381 \| good
2025-06-04T23:00:00.000Z	129 \| sensitive	46.789 \| moderate	162.142 \| moderate	42.038 \| good	0.384 \| good	2.3 \| good	0.381 \| good
2025-06-05T00:00:00.000Z	115 \| sensitive	41.351 \| moderate	143.528 \| fine	41.591 \| good	0.162 \| good	3.187 \| good	0.303 \| good
2025-06-05T01:00:00.000Z	112 \| sensitive	39.795 \| moderate	139.682 \| fine	40.546 \| good	0.163 \| good	3.786 \| good	0.396 \| good
2025-06-05T02:00:00.000Z	115 \| sensitive	41.071 \| moderate	137.491 \| fine	37.491 \| good	0.255 \| good	15.293 \| good	0.576 \| good
2025-06-05T03:00:00.000Z	117 \| sensitive	41.791 \| moderate	135.319 \| fine	28.655 \| good	0.341 \| good	22.564 \| good	0.576 \| good
2025-06-05T04:00:00.000Z	117 \| sensitive	42.24 \| moderate	149.517 \| fine	21.53 \| good	0.34 \| good	21.189 \| good	0.74 \| good
2025-06-05T05:00:00.000Z	117 \| sensitive	42.47 \| moderate	159.464 \| moderate	17.584 \| good	0.273 \| good	20.739 \| good	0.656 \| good
2025-06-05T06:00:00.000Z	122 \| sensitive	43.793 \| moderate	174.856 \| moderate	11.48 \| good	0.276 \| good	19.659 \| good	0.656 \| good
2025-06-05T07:00:00.000Z	124 \| sensitive	45.15 \| moderate	176.91 \| moderate	6.452 \| good	0.417 \| good	22.407 \| good	0.571 \| good
2025-06-05T08:00:00.000Z	124 \| sensitive	45.368 \| moderate	160.487 \| moderate	5.491 \| good	0.192 \| good	19.347 \| good	0.489 \| good
2025-06-05T09:00:00.000Z	127 \| sensitive	46.277 \| moderate	171.893 \| moderate	5.78 \| good	0.173 \| good	18.153 \| good	0.573 \| good
2025-06-05T10:00:00.000Z	129 \| sensitive	46.838 \| moderate	166.633 \| moderate	5.126 \| good	0.249 \| good	20.345 \| good	0.571 \| good
2025-06-05T11:00:00.000Z	129 \| sensitive	47.213 \| moderate	155.592 \| moderate	5.379 \| good	0.325 \| good	22.267 \| good	0.744 \| good
2025-06-05T12:00:00.000Z	129 \| sensitive	47.437 \| moderate	173.543 \| moderate	7.758 \| good	0.255 \| good	20.756 \| good	0.745 \| good
2025-06-05T13:00:00.000Z	129 \| sensitive	46.856 \| moderate	169.551 \| moderate	12.423 \| good	0.385 \| good	14.202 \| good	0.576 \| good
2025-06-05T14:00:00.000Z	127 \| sensitive	46.487 \| moderate	172.43 \| moderate	20.665 \| good	0.208 \| good	5.972 \| good	0.404 \| good
2025-06-05T15:00:00.000Z	129 \| sensitive	46.712 \| moderate	176.33 \| moderate	25.149 \| good	0.247 \| good	3.544 \| good	0.395 \| good
2025-06-05T16:00:00.000Z	129 \| sensitive	46.572 \| moderate	173.735 \| moderate	31.339 \| good	0.474 \| good	4.218 \| good	0.395 \| good
2025-06-05T17:00:00.000Z	129 \| sensitive	47.324 \| moderate	178.117 \| moderate	37.044 \| good	0.76 \| good	4.025 \| good	0.386 \| good
2025-06-05T18:00:00.000Z	129 \| sensitive	47.262 \| moderate	158.608 \| moderate	44.065 \| good	0.538 \| good	2.264 \| good	0.384 \| good
2025-06-05T19:00:00.000Z	129 \| sensitive	47.091 \| moderate	156.376 \| moderate	47.594 \| good	0.389 \| good	2.53 \| good	0.297 \| good
2025-06-05T20:00:00.000Z	129 \| sensitive	47.127 \| moderate	165.05 \| moderate	47.182 \| good	0.661 \| good	2.521 \| good	0.295 \| good
2025-06-05T21:00:00.000Z	132 \| sensitive	47.814 \| moderate	190.774 \| moderate	48.673 \| good	0.698 \| good	2.173 \| good	0.29 \| good
2025-06-05T22:00:00.000Z	124 \| sensitive	45.432 \| moderate	190.556 \| moderate	50.424 \| good	0.374 \| good	3.324 \| good	0.29 \| good
2025-06-05T23:00:00.000Z	124 \| sensitive	45.281 \| moderate	175.035 \| moderate	52.266 \| good	0.38 \| good	4.497 \| good	0.287 \| good
2025-06-06T00:00:00.000Z	107 \| sensitive	38.262 \| moderate	149.301 \| fine	49.961 \| good	0.594 \| good	4.762 \| good	0.29 \| good
2025-06-06T01:00:00.000Z	94 \| moderate	31.526 \| fine	113.713 \| fine	46.967 \| good	0.806 \| good	5.106 \| good	0.29 \| good
2025-06-06T02:00:00.000Z	102 \| sensitive	35.733 \| moderate	141.412 \| fine	45.977 \| good	0.204 \| good	4.597 \| good	0.292 \| good
2025-06-06T03:00:00.000Z	99 \| moderate	34.851 \| fine	135.482 \| fine	46.139 \| good	0.424 \| good	5.362 \| good	0.295 \| good
2025-06-06T04:00:00.000Z	97 \| moderate	34.257 \| fine	132.408 \| fine	41.623 \| good	0.147 \| good	6.103 \| good	0.293 \| good
2025-06-06T05:00:00.000Z	99 \| moderate	35.431 \| fine	124.528 \| fine	35.437 \| good	0.701 \| good	10.06 \| good	0.379 \| good
2025-06-06T06:00:00.000Z	107 \| sensitive	37.799 \| moderate	141.481 \| fine	28.533 \| good	0.611 \| good	12.312 \| good	0.382 \| good
2025-06-06T05:00:00.000Z	94 \| moderate	31.78 \| fine	84.349 \| fine	40.35 \| good	0.159 \| good	8.257 \| good	0.296 \| good
2025-06-06T06:00:00.000Z	124 \| sensitive	44.811 \| moderate	200.394 \| moderate	27.977 \| good	0.331 \| good	4.082 \| good	0.208 \| good
2025-06-06T07:00:00.000Z	113 \| sensitive	40.316 \| moderate	178.717 \| moderate	25.599 \| good	0.34 \| good	4.234 \| good	0.199 \| good
2025-06-06T08:00:00.000Z	96 \| moderate	32.867 \| fine	142.143 \| fine	22.617 \| good	0.299 \| good	3.778 \| good	0.197 \| good
2025-06-06T09:00:00.000Z	84 \| moderate	27.416 \| fine	119.334 \| fine	22.273 \| good	0.257 \| good	3.323 \| good	0.194 \| good
2025-06-06T10:00:00.000Z	71 \| moderate	20.346 \| fine	89.345 \| fine	21.234 \| good	0.384 \| good	6.602 \| good	0.216 \| good
2025-06-06T11:00:00.000Z	77 \| moderate	22.635 \| fine	98.877 \| fine	18.514 \| good	0.364 \| good	6.27 \| good	0.216 \| good
2025-06-06T12:00:00.000Z	79 \| moderate	23.742 \| fine	103.76 \| fine	23.953 \| good	0.343 \| good	5.939 \| good	0.215 \| good
2025-06-06T13:00:00.000Z	79 \| moderate	23.851 \| fine	104.064 \| fine	31.968 \| good	0.584 \| good	5.36 \| good	0.24 \| good
2025-06-06T14:00:00.000Z	71 \| moderate	20.3 \| fine	89.123 \| fine	34.867 \| good	0.555 \| good	6.321 \| good	0.251 \| good
2025-06-06T15:00:00.000Z	75 \| moderate	21.558 \| fine	94.504 \| fine	36.765 \| good	0.526 \| good	7.283 \| good	0.263 \| good
2025-06-06T16:00:00.000Z	77 \| moderate	23.145 \| fine	101.79 \| fine	40.172 \| good	0.578 \| good	3.417 \| good	0.22 \| good
2025-06-06T17:00:00.000Z	69 \| moderate	18.996 \| fine	83.512 \| fine	45.632 \| good	0.555 \| good	4.583 \| good	0.237 \| good
2025-06-06T18:00:00.000Z	67 \| moderate	17.551 \| fine	77.733 \| fine	47.359 \| good	0.531 \| good	5.749 \| good	0.253 \| good
2025-06-06T19:00:00.000Z	64 \| moderate	15.747 \| fine	69.792 \| fine	44.636 \| good	0.555 \| good	3.029 \| good	0.212 \| good
2025-06-06T20:00:00.000Z	62 \| moderate	15.384 \| fine	68.482 \| fine	43.488 \| good	0.538 \| good	4.185 \| good	0.229 \| good
2025-06-06T21:00:00.000Z	58 \| moderate	13.167 \| fine	59.179 \| fine	42.545 \| good	0.521 \| good	5.341 \| good	0.245 \| good
2025-06-06T22:00:00.000Z	58 \| moderate	13.148 \| fine	58.685 \| fine	43.65 \| good	0.615 \| good	7.737 \| good	0.248 \| good
2025-06-06T23:00:00.000Z	49 \| good	9.174 \| good	40.463 \| good	39.987 \| good	0.605 \| good	9.828 \| good	0.27 \| good
2025-06-07T00:00:00.000Z	49 \| good	8.528 \| good	37.782 \| good	33.375 \| good	0.596 \| good	11.919 \| good	0.292 \| good
2025-06-07T01:00:00.000Z	33 \| good	5.893 \| good	25.868 \| good	30.423 \| good	0.693 \| good	9.914 \| good	0.256 \| good
2025-06-07T02:00:00.000Z	52 \| moderate	9.613 \| good	42.518 \| good	31.811 \| good	0.662 \| good	9.796 \| good	0.255 \| good
2025-06-07T03:00:00.000Z	64 \| moderate	15.581 \| fine	69.849 \| fine	33.297 \| good	0.631 \| good	9.679 \| good	0.254 \| good
2025-06-07T04:00:00.000Z	38 \| good	6.797 \| good	30.062 \| good	34.45 \| good	0.55 \| good	6.174 \| good	0.223 \| good
2025-06-07T05:00:00.000Z	30 \| good	1.993 \| good	8.315 \| good	31.594 \| good	0.472 \| good	5.612 \| good	0.219 \| good
2025-06-07T06:00:00.000Z	25 \| good	1.962 \| good	8.127 \| good	27.036 \| good	0.395 \| good	5.05 \| good	0.215 \| good
2025-06-07T07:00:00.000Z	23 \| good	2.685 \| good	11.01 \| good	25.011 \| good	0.423 \| good	4.912 \| good	0.205 \| good
2025-06-07T08:00:00.000Z	22 \| good	2.735 \| good	11.32 \| good	24.165 \| good	0.36 \| good	4.358 \| good	0.203 \| good
2025-06-07T09:00:00.000Z	24 \| good	2.861 \| good	11.999 \| good	25.976 \| good	0.296 \| good	3.804 \| good	0.201 \| good
2025-06-07T10:00:00.000Z	28 \| good	2.111 \| good	8.518 \| good	29.553 \| good	0.317 \| good	3.695 \| good	0.199 \| good
2025-06-07T11:00:00.000Z	26 \| good	2.832 \| good	11.552 \| good	28.125 \| good	0.281 \| good	3.448 \| good	0.199 \| good
2025-06-07T12:00:00.000Z	28 \| good	3.758 \| good	16.36 \| good	30.447 \| good	0.246 \| good	3.2 \| good	0.199 \| good
2025-06-07T13:00:00.000Z	33 \| good	5.903 \| good	25.751 \| good	31.811 \| good	0.395 \| good	2.875 \| good	0.205 \| good
2025-06-07T14:00:00.000Z	31 \| good	5.329 \| good	23.066 \| good	32.762 \| good	0.353 \| good	3.104 \| good	0.211 \| good
2025-06-07T15:00:00.000Z	29 \| good	3.026 \| good	12.47 \| good	31.381 \| good	0.311 \| good	3.332 \| good	0.217 \| good
2025-06-07T16:00:00.000Z	30 \| good	3.95 \| good	17.116 \| good	31.87 \| good	0.44 \| good	1.882 \| good	0.195 \| good
2025-06-07T17:00:00.000Z	31 \| good	3.59 \| good	15.845 \| good	32.91 \| good	0.407 \| good	2.412 \| good	0.207 \| good
2025-06-07T18:00:00.000Z	30 \| good	4.914 \| good	21.365 \| good	32.27 \| good	0.375 \| good	2.942 \| good	0.219 \| good
2025-06-07T19:00:00.000Z	33 \| good	6.284 \| good	27.919 \| good	31.531 \| good	0.552 \| good	2.172 \| good	0.195 \| good
2025-06-07T20:00:00.000Z	38 \| good	6.845 \| good	30.189 \| good	30.826 \| good	0.511 \| good	2.731 \| good	0.207 \| good
2025-06-07T21:00:00.000Z	33 \| good	5.854 \| good	25.461 \| good	31.098 \| good	0.47 \| good	3.289 \| good	0.219 \| good
2025-06-07T22:00:00.000Z	44 \| good	7.976 \| good	35.074 \| good	32.267 \| good	0.686 \| good	6.291 \| good	0.225 \| good
2025-06-07T23:00:00.000Z	31 \| good	4.443 \| good	19.181 \| good	34.192 \| good	0.604 \| good	7.292 \| good	0.237 \| good
2025-06-08T00:00:00.000Z	66 \| moderate	16.728 \| fine	17.148 \| good	45.761 \| good	0.522 \| good	8.298 \| good	0.25 \| good
2025-06-08T01:00:00.000Z	33 \| good	5.987 \| good	26.149 \| good	34.617 \| good	0.714 \| good	9.163 \| good	0.241 \| good
2025-06-08T02:00:00.000Z	33 \| good	6.413 \| good	28.852 \| good	32.602 \| good	0.641 \| good	9.457 \| good	0.243 \| good
2025-06-08T03:00:00.000Z	38 \| good	6.762 \| good	30.046 \| good	30.855 \| good	0.568 \| good	9.752 \| good	0.245 \| good
2025-06-08T04:00:00.000Z	56 \| moderate	11.613 \| good	51.529 \| good	30.323 \| good	0.677 \| good	8.801 \| good	0.234 \| good
2025-06-08T05:00:00.000Z	54 \| moderate	11.329 \| good	49.929 \| good	30.267 \| good	0.625 \| good	8.785 \| good	0.231 \| good

Live air quality index in Greenfield, Wisconsin today

Major air pollutants in Greenfield, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Greenfield, Wisconsin air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Greendale, Wisconsin

West Allis, Wisconsin

New Berlin, Wisconsin

Franklin, Wisconsin

Wauwatosa, Wisconsin

Milwaukee, Wisconsin

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Frequently asked questions

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

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

What are the current PM10 levels at Greenfield, Wisconsin?

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

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

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

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

What are the current PM₁₀ levels at Greenfield, Wisconsin?

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

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

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