What is the PM10 level in Winfield, Illinois at the moment?

The PM10 concentration in Winfield, Illinois is 83.791 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Winfield, Illinois at the moment?

Currently, Winfield, Illinois has a sulfur dioxide (SO2) concentration of 0.731 ppb.

What is the ozone (O3) level in Winfield, Illinois at the moment?

The current ozone (O3) level in Winfield, Illinois at the moment is 53.115 ppm.

What is the nitrogen dioxide (NO2) level in Winfield, Illinois at the moment?

Nitrogen dioxide (NO2) level in Winfield, Illinois at the moment is 1.863 ppb.

Live air quality index in Winfield, Illinois today

Name: Live air pollution levels in Winfield, Illinois today
Creator: Ambee

Stay updated with real-time air quality in Winfield, Illinois 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

Winfield, Illinois

Last updated: ... (Local time)

Major air pollutants in Winfield, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

21.99 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

96.90 μg/m³

155

255

425

605+

Ozone (O₃)

44.28 ppb

201

201+

Sulfur Dioxide (SO₂)

0.53 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.50 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.53 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Winfield, Illinois

Get Live Pollen Counts

Winfield, Illinois

Scroll To Air Quality Map

Track live Winfield, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-21T05:00:00.000Z	67 \| moderate	18.384 \| fine	71.356 \| fine	30.919 \| good	0.406 \| good	2.027 \| good	0.265 \| good
2025-07-21T06:00:00.000Z	62 \| moderate	14.617 \| fine	72.791 \| fine	27.692 \| good	0.47 \| good	3.505 \| good	0.244 \| good
2025-07-21T07:00:00.000Z	92 \| moderate	31.182 \| fine	121.245 \| fine	27.677 \| good	0.59 \| good	1.876 \| good	0.231 \| good
2025-07-21T08:00:00.000Z	90 \| moderate	30.07 \| fine	131.622 \| fine	25.307 \| good	0.405 \| good	3.087 \| good	0.204 \| good
2025-07-21T09:00:00.000Z	99 \| moderate	35.159 \| fine	146.629 \| fine	23.719 \| good	0.366 \| good	4.134 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	117 \| sensitive	42.134 \| moderate	185.611 \| moderate	20.915 \| good	0.431 \| good	7.004 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	119 \| sensitive	43.248 \| moderate	190.473 \| moderate	17.62 \| good	0.702 \| good	4.784 \| good	0.175 \| good
2025-07-21T12:00:00.000Z	110 \| sensitive	39.026 \| moderate	171.138 \| moderate	16.716 \| good	0.978 \| good	6.152 \| good	0.175 \| good
2025-07-21T13:00:00.000Z	102 \| sensitive	36.319 \| moderate	158.288 \| moderate	13.076 \| good	1.039 \| good	7.208 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	91 \| moderate	28.694 \| fine	135.816 \| fine	18.967 \| good	0.849 \| good	4.458 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	82 \| moderate	25.917 \| fine	109.26 \| fine	24.544 \| good	2.678 \| good	3.727 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	75 \| moderate	21.788 \| fine	87.834 \| fine	25.997 \| good	2.795 \| good	2.225 \| good	0.141 \| good
2025-07-21T17:00:00.000Z	71 \| moderate	19.769 \| fine	78.772 \| fine	32.845 \| good	1.274 \| good	1.594 \| good	0.14 \| good
2025-07-21T18:00:00.000Z	75 \| moderate	22.361 \| fine	85.946 \| fine	38.889 \| good	1.108 \| good	1.768 \| good	0.166 \| good
2025-07-21T19:00:00.000Z	77 \| moderate	22.974 \| fine	77.404 \| fine	45.976 \| good	1.466 \| good	1.878 \| good	0.201 \| good
2025-07-21T20:00:00.000Z	73 \| moderate	20.691 \| fine	91.848 \| fine	47.896 \| good	0.935 \| good	1.429 \| good	0.191 \| good
2025-07-21T21:00:00.000Z	73 \| moderate	20.693 \| fine	94.583 \| fine	51.408 \| good	2.122 \| good	1.503 \| good	0.201 \| good
2025-07-21T22:00:00.000Z	69 \| moderate	19.188 \| fine	83.566 \| fine	56.695 \| fine	2.202 \| good	1.665 \| good	0.234 \| good
2025-07-21T23:00:00.000Z	73 \| moderate	21.116 \| fine	87.32 \| fine	56.579 \| fine	1.322 \| good	1.215 \| good	0.245 \| good
2025-07-22T00:00:00.000Z	77 \| moderate	22.8 \| fine	100.02 \| fine	51.7 \| good	1.199 \| good	1.902 \| good	0.267 \| good
2025-07-22T01:00:00.000Z	77 \| moderate	23.159 \| fine	100.329 \| fine	50.51 \| good	1.761 \| good	3.43 \| good	0.285 \| good
2025-07-22T02:00:00.000Z	79 \| moderate	24.403 \| fine	88.092 \| fine	47.583 \| good	1.47 \| good	8.064 \| good	0.276 \| good
2025-07-22T03:00:00.000Z	64 \| moderate	15.954 \| fine	70.728 \| fine	21.727 \| good	1.766 \| good	10.564 \| good	0.297 \| good
2025-07-22T04:00:00.000Z	84 \| moderate	26.669 \| fine	111.027 \| fine	37.875 \| good	0.445 \| good	7.675 \| good	0.201 \| good
2025-07-22T05:00:00.000Z	90 \| moderate	29.725 \| fine	124.098 \| fine	30.581 \| good	0.557 \| good	8.221 \| good	0.159 \| good
2025-07-22T06:00:00.000Z	86 \| moderate	28.333 \| fine	120.899 \| fine	27.693 \| good	0.905 \| good	10.511 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	88 \| moderate	29.157 \| fine	124.607 \| fine	26.822 \| good	0.738 \| good	10.143 \| good	0.129 \| good
2025-07-22T08:00:00.000Z	86 \| moderate	28.267 \| fine	115.672 \| fine	25.841 \| good	0.466 \| good	12.687 \| good	0.129 \| good
2025-07-22T09:00:00.000Z	88 \| moderate	29.264 \| fine	118.099 \| fine	21.48 \| good	0.317 \| good	11.061 \| good	0.116 \| good
2025-07-22T10:00:00.000Z	92 \| moderate	30.936 \| fine	126.627 \| fine	19.795 \| good	0.358 \| good	10.268 \| good	0.129 \| good
2025-07-22T11:00:00.000Z	92 \| moderate	30.771 \| fine	132.445 \| fine	18.518 \| good	0.526 \| good	9.007 \| good	0.18 \| good
2025-07-22T12:00:00.000Z	90 \| moderate	29.637 \| fine	132.105 \| fine	15.685 \| good	0.524 \| good	8.868 \| good	0.181 \| good
2025-07-22T13:00:00.000Z	90 \| moderate	30.166 \| fine	130.427 \| fine	18.658 \| good	0.319 \| good	6.897 \| good	0.18 \| good
2025-07-22T14:00:00.000Z	92 \| moderate	31.36 \| fine	136.217 \| fine	23.923 \| good	0.683 \| good	4.801 \| good	0.192 \| good
2025-07-22T15:00:00.000Z	92 \| moderate	30.568 \| fine	132.352 \| fine	25.405 \| good	0.796 \| good	4.907 \| good	0.225 \| good
2025-07-22T16:00:00.000Z	92 \| moderate	31.133 \| fine	136.164 \| fine	32.255 \| good	1.192 \| good	3.538 \| good	0.211 \| good
2025-07-22T17:00:00.000Z	92 \| moderate	30.612 \| fine	133.327 \| fine	40.622 \| good	1.047 \| good	2.128 \| good	0.211 \| good
2025-07-22T18:00:00.000Z	88 \| moderate	29.145 \| fine	126.106 \| fine	45.424 \| good	1.05 \| good	2.159 \| good	0.196 \| good
2025-07-22T19:00:00.000Z	88 \| moderate	29.26 \| fine	125.554 \| fine	49.322 \| good	0.904 \| good	1.951 \| good	0.232 \| good
2025-07-22T20:00:00.000Z	81 \| moderate	25.185 \| fine	107.199 \| fine	52.728 \| good	0.777 \| good	1.751 \| good	0.249 \| good
2025-07-22T21:00:00.000Z	81 \| moderate	25.325 \| fine	109.899 \| fine	52.969 \| good	0.682 \| good	1.871 \| good	0.354 \| good
2025-07-22T22:00:00.000Z	77 \| moderate	22.604 \| fine	99.303 \| fine	52.892 \| good	0.759 \| good	1.92 \| good	0.471 \| good
2025-07-22T23:00:00.000Z	73 \| moderate	21.21 \| fine	83.791 \| fine	53.115 \| good	0.731 \| good	1.863 \| good	0.542 \| good
2025-07-23T00:00:00.000Z	73 \| moderate	20.674 \| fine	86.105 \| fine	53.142 \| good	0.845 \| good	1.86 \| good	0.507 \| good
2025-07-23T01:00:00.000Z	73 \| moderate	20.845 \| fine	90.83 \| fine	51.451 \| good	0.693 \| good	3.048 \| good	0.479 \| good
2025-07-23T02:00:00.000Z	73 \| moderate	20.809 \| fine	92.546 \| fine	48.568 \| good	0.627 \| good	4.938 \| good	0.515 \| good
2025-07-23T03:00:00.000Z	75 \| moderate	21.989 \| fine	96.903 \| fine	44.277 \| good	0.525 \| good	5.504 \| good	0.528 \| good
2025-07-23T04:00:00.000Z	75 \| moderate	21.989 \| fine	96.903 \| fine	44.277 \| good	0.525 \| good	5.504 \| good	0.528 \| good
2025-07-23T01:00:00.000Z	52 \| moderate	10.322 \| good	45.652 \| good	31.801 \| good	1.82 \| good	7.235 \| good	0.255 \| good
2025-07-23T02:00:00.000Z	54 \| moderate	10.861 \| good	48.153 \| good	25.983 \| good	1.884 \| good	8.786 \| good	0.264 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	11.067 \| good	49.492 \| good	25.173 \| good	1.947 \| good	10.336 \| good	0.274 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	10.575 \| good	46.871 \| good	24.702 \| good	1.936 \| good	9.42 \| good	0.269 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.22 \| good	50.025 \| good	24.44 \| good	1.924 \| good	8.504 \| good	0.264 \| good
2025-07-23T06:00:00.000Z	60 \| moderate	14.031 \| fine	62.878 \| fine	24.065 \| good	1.913 \| good	7.588 \| good	0.258 \| good
2025-07-23T07:00:00.000Z	60 \| moderate	14.278 \| fine	63.905 \| fine	23.253 \| good	1.863 \| good	7.255 \| good	0.255 \| good
2025-07-23T08:00:00.000Z	64 \| moderate	15.847 \| fine	70.822 \| fine	20.658 \| good	1.814 \| good	6.923 \| good	0.252 \| good
2025-07-23T09:00:00.000Z	64 \| moderate	16.41 \| fine	72.289 \| fine	19.664 \| good	1.765 \| good	6.591 \| good	0.249 \| good
2025-07-23T10:00:00.000Z	71 \| moderate	20.411 \| fine	89.894 \| fine	18.972 \| good	1.836 \| good	6.549 \| good	0.252 \| good
2025-07-23T11:00:00.000Z	71 \| moderate	19.502 \| fine	85.834 \| fine	16.95 \| good	1.908 \| good	6.507 \| good	0.254 \| good
2025-07-23T12:00:00.000Z	67 \| moderate	18.198 \| fine	80.654 \| fine	22.344 \| good	1.979 \| good	6.466 \| good	0.257 \| good
2025-07-23T13:00:00.000Z	67 \| moderate	17.982 \| fine	79.88 \| fine	29.76 \| good	2.516 \| good	5.888 \| good	0.262 \| good
2025-07-23T14:00:00.000Z	69 \| moderate	19.344 \| fine	85.678 \| fine	35.678 \| good	3.053 \| good	5.311 \| good	0.268 \| good
2025-07-23T15:00:00.000Z	67 \| moderate	18.205 \| fine	80.259 \| fine	39.16 \| good	3.59 \| good	4.734 \| good	0.273 \| good
2025-07-23T16:00:00.000Z	67 \| moderate	17.83 \| fine	79.077 \| fine	44.012 \| good	3.743 \| good	3.723 \| good	0.255 \| good
2025-07-23T17:00:00.000Z	67 \| moderate	17.6 \| fine	78.055 \| fine	47.266 \| good	3.896 \| good	2.713 \| good	0.237 \| good
2025-07-23T18:00:00.000Z	69 \| moderate	18.769 \| fine	83.142 \| fine	51.251 \| good	4.05 \| good	1.702 \| good	0.219 \| good
2025-07-23T19:00:00.000Z	69 \| moderate	18.981 \| fine	84.09 \| fine	49.816 \| good	3.437 \| good	1.694 \| good	0.21 \| good
2025-07-23T20:00:00.000Z	71 \| moderate	20.252 \| fine	89 \| fine	50.319 \| good	2.824 \| good	1.687 \| good	0.201 \| good
2025-07-23T21:00:00.000Z	73 \| moderate	21.398 \| fine	94.117 \| fine	50.989 \| good	2.211 \| good	1.679 \| good	0.192 \| good
2025-07-23T22:00:00.000Z	77 \| moderate	22.505 \| fine	98.058 \| fine	49.39 \| good	2.069 \| good	2.97 \| good	0.2 \| good
2025-07-23T23:00:00.000Z	77 \| moderate	22.671 \| fine	99.851 \| fine	42.799 \| good	1.927 \| good	4.26 \| good	0.207 \| good
2025-07-24T00:00:00.000Z	66 \| moderate	17.231 \| fine	76.908 \| fine	38.603 \| good	1.784 \| good	5.551 \| good	0.215 \| good
2025-07-24T01:00:00.000Z	60 \| moderate	14.141 \| fine	63.203 \| fine	34.272 \| good	1.718 \| good	6.164 \| good	0.216 \| good
2025-07-24T02:00:00.000Z	62 \| moderate	14.763 \| fine	66.026 \| fine	28.444 \| good	1.651 \| good	6.776 \| good	0.217 \| good
2025-07-24T03:00:00.000Z	62 \| moderate	14.828 \| fine	66.153 \| fine	27.437 \| good	1.584 \| good	7.388 \| good	0.219 \| good
2025-07-24T04:00:00.000Z	67 \| moderate	18.177 \| fine	80.84 \| fine	24.146 \| good	1.449 \| good	7.033 \| good	0.217 \| good
2025-07-24T05:00:00.000Z	71 \| moderate	19.71 \| fine	86.925 \| fine	22.437 \| good	1.314 \| good	6.679 \| good	0.215 \| good
2025-07-24T06:00:00.000Z	71 \| moderate	20.22 \| fine	89.003 \| fine	20.322 \| good	1.179 \| good	6.324 \| good	0.213 \| good
2025-07-24T07:00:00.000Z	73 \| moderate	21.215 \| fine	93 \| fine	19.553 \| good	1.296 \| good	5.912 \| good	0.212 \| good
2025-07-24T08:00:00.000Z	73 \| moderate	21.033 \| fine	92.837 \| fine	16.083 \| good	1.412 \| good	5.5 \| good	0.211 \| good
2025-07-24T09:00:00.000Z	73 \| moderate	21.199 \| fine	93.035 \| fine	14.543 \| good	1.529 \| good	5.088 \| good	0.21 \| good
2025-07-24T10:00:00.000Z	79 \| moderate	24.336 \| fine	105.921 \| fine	13.741 \| good	2.078 \| good	5.033 \| good	0.21 \| good
2025-07-24T11:00:00.000Z	75 \| moderate	22.126 \| fine	96.913 \| fine	15.838 \| good	2.627 \| good	4.977 \| good	0.211 \| good
2025-07-24T12:00:00.000Z	69 \| moderate	18.785 \| fine	82.979 \| fine	20.318 \| good	3.176 \| good	4.922 \| good	0.211 \| good
2025-07-24T13:00:00.000Z	66 \| moderate	16.962 \| fine	74.899 \| fine	26.26 \| good	3.181 \| good	4.469 \| good	0.214 \| good
2025-07-24T14:00:00.000Z	62 \| moderate	14.844 \| fine	66.763 \| fine	34.8 \| good	3.185 \| good	4.016 \| good	0.217 \| good
2025-07-24T15:00:00.000Z	56 \| moderate	12.296 \| fine	55.577 \| fine	36.456 \| good	3.189 \| good	3.564 \| good	0.22 \| good
2025-07-24T16:00:00.000Z	56 \| moderate	11.909 \| good	52.928 \| good	40.912 \| good	2.683 \| good	2.877 \| good	0.21 \| good
2025-07-24T17:00:00.000Z	56 \| moderate	11.966 \| good	53.547 \| good	41.482 \| good	2.176 \| good	2.19 \| good	0.201 \| good
2025-07-24T18:00:00.000Z	52 \| moderate	10.305 \| good	45.622 \| good	44.814 \| good	1.669 \| good	1.504 \| good	0.191 \| good
2025-07-24T19:00:00.000Z	52 \| moderate	9.638 \| good	42.643 \| good	46.485 \| good	1.444 \| good	1.494 \| good	0.186 \| good
2025-07-24T20:00:00.000Z	49 \| good	9.001 \| good	39.543 \| good	46.785 \| good	1.219 \| good	1.484 \| good	0.18 \| good
2025-07-24T21:00:00.000Z	44 \| good	8.12 \| good	35.679 \| good	42.272 \| good	0.993 \| good	1.474 \| good	0.174 \| good
2025-07-24T22:00:00.000Z	49 \| good	8.749 \| good	38.468 \| good	31.343 \| good	1.006 \| good	2.371 \| good	0.181 \| good
2025-07-24T23:00:00.000Z	52 \| moderate	9.599 \| good	42.907 \| good	30.213 \| good	1.018 \| good	3.268 \| good	0.188 \| good
2025-07-25T00:00:00.000Z	77 \| moderate	6.622 \| good	7.676 \| good	62.744 \| fine	1.033 \| good	4.168 \| good	0.195 \| good

Winfield

Get reliable air quality data to drive your business

Winfield, Illinois air quality map: Stay updated on AQI near you

0.55ppm

How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Winfield, Illinois?

The air quality information for Winfield, Illinois is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Winfield, Illinois at its worst?

In the past 24 hours, the air quality in Winfield, Illinois was at its worst at 05:00:00 on 2025-07-22.

When did Winfield, Illinois experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Winfield, Illinois was observed at 03:00:00 on 2025-07-22.

What is the AQI in Winfield, Illinois right now?

As of now, the AQI in Winfield, Illinois is 73, indicating Moderate conditions.

What is the most common type of pollution in Winfield, Illinois?

Winfield, Illinois air has the highest levels of PM2.5.

What should I do in case of poor air quality in Winfield, Illinois?

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

What is the PM_2.5 level in Winfield, Illinois at the moment?

PM_2.5 levels in Winfield, Illinois are currently 21.21 μg/m³.

What is the PM₁₀ level in Winfield, Illinois at the moment?

The PM₁₀ concentration in Winfield, Illinois is 83.791 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Winfield, Illinois at the moment?

The current carbon monoxide (CO) concentration in Winfield, Illinois is 0.542 ppm.

What is the sulfur dioxide (SO₂) level in Winfield, Illinois at the moment?

Currently, Winfield, Illinois has a sulfur dioxide (SO₂) concentration of 0.731 ppb.

What is the ozone (O₃) level in Winfield, Illinois at the moment?

The current ozone (O₃) level in Winfield, Illinois at the moment is 53.115 ppm.

What is the nitrogen dioxide (NO₂) level in Winfield, Illinois at the moment?

Nitrogen dioxide (NO₂) level in Winfield, Illinois at the moment is 1.863 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-21T05:00:00.000Z	67 \| moderate	18.384 \| fine	71.356 \| fine	30.919 \| good	0.406 \| good	2.027 \| good	0.265 \| good
2025-07-21T06:00:00.000Z	62 \| moderate	14.617 \| fine	72.791 \| fine	27.692 \| good	0.47 \| good	3.505 \| good	0.244 \| good
2025-07-21T07:00:00.000Z	92 \| moderate	31.182 \| fine	121.245 \| fine	27.677 \| good	0.59 \| good	1.876 \| good	0.231 \| good
2025-07-21T08:00:00.000Z	90 \| moderate	30.07 \| fine	131.622 \| fine	25.307 \| good	0.405 \| good	3.087 \| good	0.204 \| good
2025-07-21T09:00:00.000Z	99 \| moderate	35.159 \| fine	146.629 \| fine	23.719 \| good	0.366 \| good	4.134 \| good	0.21 \| good
2025-07-21T10:00:00.000Z	117 \| sensitive	42.134 \| moderate	185.611 \| moderate	20.915 \| good	0.431 \| good	7.004 \| good	0.21 \| good
2025-07-21T11:00:00.000Z	119 \| sensitive	43.248 \| moderate	190.473 \| moderate	17.62 \| good	0.702 \| good	4.784 \| good	0.175 \| good
2025-07-21T12:00:00.000Z	110 \| sensitive	39.026 \| moderate	171.138 \| moderate	16.716 \| good	0.978 \| good	6.152 \| good	0.175 \| good
2025-07-21T13:00:00.000Z	102 \| sensitive	36.319 \| moderate	158.288 \| moderate	13.076 \| good	1.039 \| good	7.208 \| good	0.177 \| good
2025-07-21T14:00:00.000Z	91 \| moderate	28.694 \| fine	135.816 \| fine	18.967 \| good	0.849 \| good	4.458 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	82 \| moderate	25.917 \| fine	109.26 \| fine	24.544 \| good	2.678 \| good	3.727 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	75 \| moderate	21.788 \| fine	87.834 \| fine	25.997 \| good	2.795 \| good	2.225 \| good	0.141 \| good
2025-07-21T17:00:00.000Z	71 \| moderate	19.769 \| fine	78.772 \| fine	32.845 \| good	1.274 \| good	1.594 \| good	0.14 \| good
2025-07-21T18:00:00.000Z	75 \| moderate	22.361 \| fine	85.946 \| fine	38.889 \| good	1.108 \| good	1.768 \| good	0.166 \| good
2025-07-21T19:00:00.000Z	77 \| moderate	22.974 \| fine	77.404 \| fine	45.976 \| good	1.466 \| good	1.878 \| good	0.201 \| good
2025-07-21T20:00:00.000Z	73 \| moderate	20.691 \| fine	91.848 \| fine	47.896 \| good	0.935 \| good	1.429 \| good	0.191 \| good
2025-07-21T21:00:00.000Z	73 \| moderate	20.693 \| fine	94.583 \| fine	51.408 \| good	2.122 \| good	1.503 \| good	0.201 \| good
2025-07-21T22:00:00.000Z	69 \| moderate	19.188 \| fine	83.566 \| fine	56.695 \| fine	2.202 \| good	1.665 \| good	0.234 \| good
2025-07-21T23:00:00.000Z	73 \| moderate	21.116 \| fine	87.32 \| fine	56.579 \| fine	1.322 \| good	1.215 \| good	0.245 \| good
2025-07-22T00:00:00.000Z	77 \| moderate	22.8 \| fine	100.02 \| fine	51.7 \| good	1.199 \| good	1.902 \| good	0.267 \| good
2025-07-22T01:00:00.000Z	77 \| moderate	23.159 \| fine	100.329 \| fine	50.51 \| good	1.761 \| good	3.43 \| good	0.285 \| good
2025-07-22T02:00:00.000Z	79 \| moderate	24.403 \| fine	88.092 \| fine	47.583 \| good	1.47 \| good	8.064 \| good	0.276 \| good
2025-07-22T03:00:00.000Z	64 \| moderate	15.954 \| fine	70.728 \| fine	21.727 \| good	1.766 \| good	10.564 \| good	0.297 \| good
2025-07-22T04:00:00.000Z	84 \| moderate	26.669 \| fine	111.027 \| fine	37.875 \| good	0.445 \| good	7.675 \| good	0.201 \| good
2025-07-22T05:00:00.000Z	90 \| moderate	29.725 \| fine	124.098 \| fine	30.581 \| good	0.557 \| good	8.221 \| good	0.159 \| good
2025-07-22T06:00:00.000Z	86 \| moderate	28.333 \| fine	120.899 \| fine	27.693 \| good	0.905 \| good	10.511 \| good	0.159 \| good
2025-07-22T07:00:00.000Z	88 \| moderate	29.157 \| fine	124.607 \| fine	26.822 \| good	0.738 \| good	10.143 \| good	0.129 \| good
2025-07-22T08:00:00.000Z	86 \| moderate	28.267 \| fine	115.672 \| fine	25.841 \| good	0.466 \| good	12.687 \| good	0.129 \| good
2025-07-22T09:00:00.000Z	88 \| moderate	29.264 \| fine	118.099 \| fine	21.48 \| good	0.317 \| good	11.061 \| good	0.116 \| good
2025-07-22T10:00:00.000Z	92 \| moderate	30.936 \| fine	126.627 \| fine	19.795 \| good	0.358 \| good	10.268 \| good	0.129 \| good
2025-07-22T11:00:00.000Z	92 \| moderate	30.771 \| fine	132.445 \| fine	18.518 \| good	0.526 \| good	9.007 \| good	0.18 \| good
2025-07-22T12:00:00.000Z	90 \| moderate	29.637 \| fine	132.105 \| fine	15.685 \| good	0.524 \| good	8.868 \| good	0.181 \| good
2025-07-22T13:00:00.000Z	90 \| moderate	30.166 \| fine	130.427 \| fine	18.658 \| good	0.319 \| good	6.897 \| good	0.18 \| good
2025-07-22T14:00:00.000Z	92 \| moderate	31.36 \| fine	136.217 \| fine	23.923 \| good	0.683 \| good	4.801 \| good	0.192 \| good
2025-07-22T15:00:00.000Z	92 \| moderate	30.568 \| fine	132.352 \| fine	25.405 \| good	0.796 \| good	4.907 \| good	0.225 \| good
2025-07-22T16:00:00.000Z	92 \| moderate	31.133 \| fine	136.164 \| fine	32.255 \| good	1.192 \| good	3.538 \| good	0.211 \| good
2025-07-22T17:00:00.000Z	92 \| moderate	30.612 \| fine	133.327 \| fine	40.622 \| good	1.047 \| good	2.128 \| good	0.211 \| good
2025-07-22T18:00:00.000Z	88 \| moderate	29.145 \| fine	126.106 \| fine	45.424 \| good	1.05 \| good	2.159 \| good	0.196 \| good
2025-07-22T19:00:00.000Z	88 \| moderate	29.26 \| fine	125.554 \| fine	49.322 \| good	0.904 \| good	1.951 \| good	0.232 \| good
2025-07-22T20:00:00.000Z	81 \| moderate	25.185 \| fine	107.199 \| fine	52.728 \| good	0.777 \| good	1.751 \| good	0.249 \| good
2025-07-22T21:00:00.000Z	81 \| moderate	25.325 \| fine	109.899 \| fine	52.969 \| good	0.682 \| good	1.871 \| good	0.354 \| good
2025-07-22T22:00:00.000Z	77 \| moderate	22.604 \| fine	99.303 \| fine	52.892 \| good	0.759 \| good	1.92 \| good	0.471 \| good
2025-07-22T23:00:00.000Z	73 \| moderate	21.21 \| fine	83.791 \| fine	53.115 \| good	0.731 \| good	1.863 \| good	0.542 \| good
2025-07-23T00:00:00.000Z	73 \| moderate	20.674 \| fine	86.105 \| fine	53.142 \| good	0.845 \| good	1.86 \| good	0.507 \| good
2025-07-23T01:00:00.000Z	73 \| moderate	20.845 \| fine	90.83 \| fine	51.451 \| good	0.693 \| good	3.048 \| good	0.479 \| good
2025-07-23T02:00:00.000Z	73 \| moderate	20.809 \| fine	92.546 \| fine	48.568 \| good	0.627 \| good	4.938 \| good	0.515 \| good
2025-07-23T03:00:00.000Z	75 \| moderate	21.989 \| fine	96.903 \| fine	44.277 \| good	0.525 \| good	5.504 \| good	0.528 \| good
2025-07-23T04:00:00.000Z	75 \| moderate	21.989 \| fine	96.903 \| fine	44.277 \| good	0.525 \| good	5.504 \| good	0.528 \| good
2025-07-23T01:00:00.000Z	52 \| moderate	10.322 \| good	45.652 \| good	31.801 \| good	1.82 \| good	7.235 \| good	0.255 \| good
2025-07-23T02:00:00.000Z	54 \| moderate	10.861 \| good	48.153 \| good	25.983 \| good	1.884 \| good	8.786 \| good	0.264 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	11.067 \| good	49.492 \| good	25.173 \| good	1.947 \| good	10.336 \| good	0.274 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	10.575 \| good	46.871 \| good	24.702 \| good	1.936 \| good	9.42 \| good	0.269 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.22 \| good	50.025 \| good	24.44 \| good	1.924 \| good	8.504 \| good	0.264 \| good
2025-07-23T06:00:00.000Z	60 \| moderate	14.031 \| fine	62.878 \| fine	24.065 \| good	1.913 \| good	7.588 \| good	0.258 \| good
2025-07-23T07:00:00.000Z	60 \| moderate	14.278 \| fine	63.905 \| fine	23.253 \| good	1.863 \| good	7.255 \| good	0.255 \| good
2025-07-23T08:00:00.000Z	64 \| moderate	15.847 \| fine	70.822 \| fine	20.658 \| good	1.814 \| good	6.923 \| good	0.252 \| good
2025-07-23T09:00:00.000Z	64 \| moderate	16.41 \| fine	72.289 \| fine	19.664 \| good	1.765 \| good	6.591 \| good	0.249 \| good
2025-07-23T10:00:00.000Z	71 \| moderate	20.411 \| fine	89.894 \| fine	18.972 \| good	1.836 \| good	6.549 \| good	0.252 \| good
2025-07-23T11:00:00.000Z	71 \| moderate	19.502 \| fine	85.834 \| fine	16.95 \| good	1.908 \| good	6.507 \| good	0.254 \| good
2025-07-23T12:00:00.000Z	67 \| moderate	18.198 \| fine	80.654 \| fine	22.344 \| good	1.979 \| good	6.466 \| good	0.257 \| good
2025-07-23T13:00:00.000Z	67 \| moderate	17.982 \| fine	79.88 \| fine	29.76 \| good	2.516 \| good	5.888 \| good	0.262 \| good
2025-07-23T14:00:00.000Z	69 \| moderate	19.344 \| fine	85.678 \| fine	35.678 \| good	3.053 \| good	5.311 \| good	0.268 \| good
2025-07-23T15:00:00.000Z	67 \| moderate	18.205 \| fine	80.259 \| fine	39.16 \| good	3.59 \| good	4.734 \| good	0.273 \| good
2025-07-23T16:00:00.000Z	67 \| moderate	17.83 \| fine	79.077 \| fine	44.012 \| good	3.743 \| good	3.723 \| good	0.255 \| good
2025-07-23T17:00:00.000Z	67 \| moderate	17.6 \| fine	78.055 \| fine	47.266 \| good	3.896 \| good	2.713 \| good	0.237 \| good
2025-07-23T18:00:00.000Z	69 \| moderate	18.769 \| fine	83.142 \| fine	51.251 \| good	4.05 \| good	1.702 \| good	0.219 \| good
2025-07-23T19:00:00.000Z	69 \| moderate	18.981 \| fine	84.09 \| fine	49.816 \| good	3.437 \| good	1.694 \| good	0.21 \| good
2025-07-23T20:00:00.000Z	71 \| moderate	20.252 \| fine	89 \| fine	50.319 \| good	2.824 \| good	1.687 \| good	0.201 \| good
2025-07-23T21:00:00.000Z	73 \| moderate	21.398 \| fine	94.117 \| fine	50.989 \| good	2.211 \| good	1.679 \| good	0.192 \| good
2025-07-23T22:00:00.000Z	77 \| moderate	22.505 \| fine	98.058 \| fine	49.39 \| good	2.069 \| good	2.97 \| good	0.2 \| good
2025-07-23T23:00:00.000Z	77 \| moderate	22.671 \| fine	99.851 \| fine	42.799 \| good	1.927 \| good	4.26 \| good	0.207 \| good
2025-07-24T00:00:00.000Z	66 \| moderate	17.231 \| fine	76.908 \| fine	38.603 \| good	1.784 \| good	5.551 \| good	0.215 \| good
2025-07-24T01:00:00.000Z	60 \| moderate	14.141 \| fine	63.203 \| fine	34.272 \| good	1.718 \| good	6.164 \| good	0.216 \| good
2025-07-24T02:00:00.000Z	62 \| moderate	14.763 \| fine	66.026 \| fine	28.444 \| good	1.651 \| good	6.776 \| good	0.217 \| good
2025-07-24T03:00:00.000Z	62 \| moderate	14.828 \| fine	66.153 \| fine	27.437 \| good	1.584 \| good	7.388 \| good	0.219 \| good
2025-07-24T04:00:00.000Z	67 \| moderate	18.177 \| fine	80.84 \| fine	24.146 \| good	1.449 \| good	7.033 \| good	0.217 \| good
2025-07-24T05:00:00.000Z	71 \| moderate	19.71 \| fine	86.925 \| fine	22.437 \| good	1.314 \| good	6.679 \| good	0.215 \| good
2025-07-24T06:00:00.000Z	71 \| moderate	20.22 \| fine	89.003 \| fine	20.322 \| good	1.179 \| good	6.324 \| good	0.213 \| good
2025-07-24T07:00:00.000Z	73 \| moderate	21.215 \| fine	93 \| fine	19.553 \| good	1.296 \| good	5.912 \| good	0.212 \| good
2025-07-24T08:00:00.000Z	73 \| moderate	21.033 \| fine	92.837 \| fine	16.083 \| good	1.412 \| good	5.5 \| good	0.211 \| good
2025-07-24T09:00:00.000Z	73 \| moderate	21.199 \| fine	93.035 \| fine	14.543 \| good	1.529 \| good	5.088 \| good	0.21 \| good
2025-07-24T10:00:00.000Z	79 \| moderate	24.336 \| fine	105.921 \| fine	13.741 \| good	2.078 \| good	5.033 \| good	0.21 \| good
2025-07-24T11:00:00.000Z	75 \| moderate	22.126 \| fine	96.913 \| fine	15.838 \| good	2.627 \| good	4.977 \| good	0.211 \| good
2025-07-24T12:00:00.000Z	69 \| moderate	18.785 \| fine	82.979 \| fine	20.318 \| good	3.176 \| good	4.922 \| good	0.211 \| good
2025-07-24T13:00:00.000Z	66 \| moderate	16.962 \| fine	74.899 \| fine	26.26 \| good	3.181 \| good	4.469 \| good	0.214 \| good
2025-07-24T14:00:00.000Z	62 \| moderate	14.844 \| fine	66.763 \| fine	34.8 \| good	3.185 \| good	4.016 \| good	0.217 \| good
2025-07-24T15:00:00.000Z	56 \| moderate	12.296 \| fine	55.577 \| fine	36.456 \| good	3.189 \| good	3.564 \| good	0.22 \| good
2025-07-24T16:00:00.000Z	56 \| moderate	11.909 \| good	52.928 \| good	40.912 \| good	2.683 \| good	2.877 \| good	0.21 \| good
2025-07-24T17:00:00.000Z	56 \| moderate	11.966 \| good	53.547 \| good	41.482 \| good	2.176 \| good	2.19 \| good	0.201 \| good
2025-07-24T18:00:00.000Z	52 \| moderate	10.305 \| good	45.622 \| good	44.814 \| good	1.669 \| good	1.504 \| good	0.191 \| good
2025-07-24T19:00:00.000Z	52 \| moderate	9.638 \| good	42.643 \| good	46.485 \| good	1.444 \| good	1.494 \| good	0.186 \| good
2025-07-24T20:00:00.000Z	49 \| good	9.001 \| good	39.543 \| good	46.785 \| good	1.219 \| good	1.484 \| good	0.18 \| good
2025-07-24T21:00:00.000Z	44 \| good	8.12 \| good	35.679 \| good	42.272 \| good	0.993 \| good	1.474 \| good	0.174 \| good
2025-07-24T22:00:00.000Z	49 \| good	8.749 \| good	38.468 \| good	31.343 \| good	1.006 \| good	2.371 \| good	0.181 \| good
2025-07-24T23:00:00.000Z	52 \| moderate	9.599 \| good	42.907 \| good	30.213 \| good	1.018 \| good	3.268 \| good	0.188 \| good
2025-07-25T00:00:00.000Z	77 \| moderate	6.622 \| good	7.676 \| good	62.744 \| fine	1.033 \| good	4.168 \| good	0.195 \| good

Live air quality index in Winfield, Illinois today

Major air pollutants in Winfield, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Winfield, Illinois air quality map: Stay updated on AQI near you

Air quality in nearby cities

West Chicago, Illinois

Wheaton, Illinois

Warrenville, Illinois

Carol Stream, Illinois

Glen Ellyn, Illinois

Glendale Heights, Illinois

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Frequently asked questions

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What is the sulfur dioxide (SO2) level in Winfield, Illinois at the moment?

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What is the nitrogen dioxide (NO2) level in Winfield, Illinois at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Winfield, Illinois at the moment?

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What is the sulfur dioxide (SO₂) level in Winfield, Illinois at the moment?

What is the ozone (O₃) level in Winfield, Illinois at the moment?

What is the nitrogen dioxide (NO₂) level in Winfield, Illinois at the moment?