What is the current concentration of PM10 in West Chicago, Illinois?

The current PM10 concentration at West Chicago, Illinois is 91.393 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in West Chicago, Illinois?

The current sulfur dioxide (SO2) concentration at West Chicago, Illinois is 0.486 ppb.

What is the current concentration of ozone (O3) in West Chicago, Illinois?

The current ozone (O3) concentration at West Chicago, Illinois is 55.836 ppm.

What is the current concentration of nitrogen dioxide (NO2) in West Chicago, Illinois?

The current nitrogen dioxide (NO2) concentration at West Chicago, Illinois is 1.904 ppb.

Live air quality index in West Chicago, Illinois today

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

Stay updated with real-time air quality in West Chicago, 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

West Chicago, Illinois

Last updated: ... (Local time)

Major air pollutants in West Chicago, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

31.76 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

91.39 μg/m³

155

255

425

605+

Ozone (O₃)

55.84 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.90 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

West Chicago, Illinois

Get Live Pollen Counts

West Chicago, Illinois

Scroll To Air Quality Map

Track live West Chicago, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T21:00:00.000Z	94 \| moderate	32.351 \| fine	92.597 \| fine	42.03 \| good	0.365 \| good	4.099 \| good	0.329 \| good
2025-06-04T22:00:00.000Z	99 \| moderate	35.169 \| fine	107.91 \| fine	40.65 \| good	0.391 \| good	2.188 \| good	0.329 \| good
2025-06-04T23:00:00.000Z	92 \| moderate	31.486 \| fine	121.062 \| fine	41.516 \| good	0.369 \| good	2.959 \| good	0.329 \| good
2025-06-05T00:00:00.000Z	94 \| moderate	32.496 \| fine	54.746 \| good	42.394 \| good	0.272 \| good	4.271 \| good	0.355 \| good
2025-06-05T01:00:00.000Z	39 \| good	7.4 \| good	33.736 \| good	42.089 \| good	0.274 \| good	4.225 \| good	0.408 \| good
2025-06-05T02:00:00.000Z	129 \| sensitive	47.047 \| moderate	199.946 \| moderate	40.007 \| good	0.354 \| good	12.375 \| good	0.512 \| good
2025-06-05T03:00:00.000Z	75 \| moderate	22.255 \| fine	97.305 \| fine	29.482 \| good	0.405 \| good	18.803 \| good	0.508 \| good
2025-06-05T04:00:00.000Z	71 \| moderate	19.982 \| fine	82.238 \| fine	31.901 \| good	0.389 \| good	30.97 \| good	0.538 \| good
2025-06-05T05:00:00.000Z	71 \| moderate	20.189 \| fine	77.688 \| fine	23.733 \| good	0.367 \| good	27.604 \| good	0.506 \| good
2025-06-05T06:00:00.000Z	86 \| moderate	28.033 \| fine	116.958 \| fine	21.289 \| good	0.323 \| good	25.089 \| good	0.506 \| good
2025-06-05T07:00:00.000Z	86 \| moderate	28.451 \| fine	92.85 \| fine	23.269 \| good	0.434 \| good	18.453 \| good	0.474 \| good
2025-06-05T08:00:00.000Z	97 \| moderate	33.529 \| fine	125.174 \| fine	29.879 \| good	0.456 \| good	16.55 \| good	0.461 \| good
2025-06-05T09:00:00.000Z	99 \| moderate	34.578 \| fine	129.889 \| fine	29.204 \| good	0.441 \| good	15.916 \| good	0.493 \| good
2025-06-05T10:00:00.000Z	105 \| sensitive	36.969 \| moderate	145.934 \| fine	8.783 \| good	0.417 \| good	15.081 \| good	0.473 \| good
2025-06-05T11:00:00.000Z	107 \| sensitive	38.274 \| moderate	141.88 \| fine	24.716 \| good	0.359 \| good	15.772 \| good	0.548 \| good
2025-06-05T12:00:00.000Z	122 \| sensitive	44.177 \| moderate	169.97 \| moderate	15.563 \| good	0.311 \| good	16.587 \| good	0.542 \| good
2025-06-05T13:00:00.000Z	112 \| sensitive	40.198 \| moderate	174.308 \| moderate	20.709 \| good	0.422 \| good	8.235 \| good	0.479 \| good
2025-06-05T14:00:00.000Z	110 \| sensitive	39.147 \| moderate	159.34 \| moderate	20.396 \| good	0.341 \| good	5.216 \| good	0.402 \| good
2025-06-05T15:00:00.000Z	122 \| sensitive	44.105 \| moderate	188.427 \| moderate	35.305 \| good	0.297 \| good	4.283 \| good	0.391 \| good
2025-06-05T16:00:00.000Z	134 \| sensitive	48.938 \| moderate	213.375 \| moderate	38.659 \| good	0.681 \| good	3.54 \| good	0.391 \| good
2025-06-05T17:00:00.000Z	149 \| sensitive	55.293 \| moderate	220.413 \| moderate	41.37 \| good	2.46 \| good	3.738 \| good	0.374 \| good
2025-06-05T18:00:00.000Z	117 \| sensitive	41.752 \| moderate	185.522 \| moderate	42.429 \| good	1.152 \| good	2.692 \| good	0.361 \| good
2025-06-05T19:00:00.000Z	127 \| sensitive	46.027 \| moderate	85.666 \| fine	48.073 \| good	1.253 \| good	1.492 \| good	0.31 \| good
2025-06-05T20:00:00.000Z	152 \| unhealthy	57.461 \| poor	225.933 \| moderate	52.12 \| good	0.921 \| good	2.564 \| good	0.291 \| good
2025-06-05T21:00:00.000Z	119 \| sensitive	42.644 \| moderate	152.083 \| fine	50.778 \| good	0.924 \| good	2.374 \| good	0.264 \| good
2025-06-05T22:00:00.000Z	142 \| sensitive	52.241 \| moderate	155.383 \| moderate	53.927 \| good	0.476 \| good	4.433 \| good	0.264 \| good
2025-06-05T23:00:00.000Z	137 \| sensitive	49.974 \| moderate	165.696 \| moderate	54.713 \| good	0.415 \| good	5.951 \| good	0.245 \| good
2025-06-06T00:00:00.000Z	144 \| sensitive	53.181 \| moderate	210.058 \| moderate	58.143 \| fine	0.786 \| good	5.503 \| good	0.259 \| good
2025-06-06T01:00:00.000Z	146 \| sensitive	52.249 \| moderate	245.333 \| moderate	51.065 \| good	1.152 \| good	6.625 \| good	0.259 \| good
2025-06-06T02:00:00.000Z	132 \| sensitive	48.041 \| moderate	190.572 \| moderate	50.129 \| good	1.917 \| good	6.662 \| good	0.274 \| good
2025-06-06T03:00:00.000Z	144 \| sensitive	53.215 \| moderate	234.551 \| moderate	47.039 \| good	1.982 \| good	11.05 \| good	0.287 \| good
2025-06-06T04:00:00.000Z	122 \| sensitive	44.113 \| moderate	178.034 \| moderate	48.476 \| good	1.883 \| good	3.515 \| good	0.272 \| good
2025-06-06T05:00:00.000Z	139 \| sensitive	50.781 \| moderate	228.122 \| moderate	38.399 \| good	1.018 \| good	5.297 \| good	0.323 \| good
2025-06-06T06:00:00.000Z	134 \| sensitive	49.325 \| moderate	196.46 \| moderate	34.384 \| good	0.847 \| good	7.066 \| good	0.336 \| good
2025-06-06T07:00:00.000Z	127 \| sensitive	45.545 \| moderate	147.972 \| fine	32.039 \| good	0.399 \| good	9.84 \| good	0.31 \| good
2025-06-06T08:00:00.000Z	122 \| sensitive	43.577 \| moderate	196.821 \| moderate	30.437 \| good	0.337 \| good	9.432 \| good	0.325 \| good
2025-06-06T09:00:00.000Z	107 \| sensitive	38.345 \| moderate	161.761 \| moderate	40.063 \| good	0.366 \| good	10.451 \| good	0.325 \| good
2025-06-06T10:00:00.000Z	104 \| sensitive	33.59 \| fine	160.813 \| moderate	15.903 \| good	1.162 \| good	12.769 \| good	0.325 \| good
2025-06-06T11:00:00.000Z	102 \| sensitive	35.78 \| moderate	142.474 \| fine	35.109 \| good	0.335 \| good	14.49 \| good	0.355 \| good
2025-06-06T12:00:00.000Z	99 \| moderate	34.819 \| fine	149.007 \| fine	29.483 \| good	0.389 \| good	11.677 \| good	0.357 \| good
2025-06-06T13:00:00.000Z	96 \| moderate	33.237 \| fine	143.471 \| fine	33.481 \| good	0.403 \| good	6.733 \| good	0.325 \| good
2025-06-06T14:00:00.000Z	107 \| sensitive	38.106 \| moderate	159.658 \| moderate	30.495 \| good	0.39 \| good	12.59 \| good	0.486 \| good
2025-06-06T15:00:00.000Z	96 \| moderate	33.325 \| fine	109.922 \| fine	39.417 \| good	0.469 \| good	10.104 \| good	0.359 \| good
2025-06-06T16:00:00.000Z	92 \| moderate	30.963 \| fine	127.906 \| fine	39.788 \| good	0.765 \| good	3.049 \| good	0.274 \| good
2025-06-06T17:00:00.000Z	96 \| moderate	32.795 \| fine	106.669 \| fine	43.044 \| good	0.67 \| good	3.005 \| good	0.26 \| good
2025-06-06T18:00:00.000Z	90 \| moderate	29.786 \| fine	117.563 \| fine	48.742 \| good	0.423 \| good	2.068 \| good	0.26 \| good
2025-06-06T19:00:00.000Z	107 \| sensitive	37.611 \| moderate	136.661 \| fine	54.268 \| good	1.009 \| good	2.593 \| good	0.232 \| good
2025-06-06T20:00:00.000Z	94 \| moderate	31.762 \| fine	91.393 \| fine	55.836 \| fine	0.486 \| good	1.904 \| good	0.232 \| good
2025-06-06T20:00:00.000Z	94 \| moderate	31.762 \| fine	91.393 \| fine	55.836 \| fine	0.486 \| good	1.904 \| good	0.232 \| good
2025-06-06T21:00:00.000Z	54 \| moderate	11.091 \| good	49.411 \| good	51.064 \| good	1.351 \| good	3.047 \| good	0.196 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.321 \| good	50.376 \| good	46.819 \| good	1.206 \| good	5.708 \| good	0.198 \| good
2025-06-06T23:00:00.000Z	60 \| moderate	13.527 \| fine	60.15 \| fine	41.645 \| good	1.326 \| good	6.85 \| good	0.207 \| good
2025-06-07T00:00:00.000Z	49 \| good	9.298 \| good	41.475 \| good	35.95 \| good	1.445 \| good	7.993 \| good	0.216 \| good
2025-06-07T01:00:00.000Z	56 \| moderate	12.381 \| fine	56.179 \| fine	34.026 \| good	1.523 \| good	11.989 \| good	0.235 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	12.499 \| fine	56.498 \| fine	24.628 \| good	1.601 \| good	13.063 \| good	0.244 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.525 \| good	42.25 \| good	19.789 \| good	1.68 \| good	14.138 \| good	0.252 \| good
2025-06-07T04:00:00.000Z	44 \| good	8.143 \| good	35.426 \| good	19.348 \| good	1.492 \| good	12.718 \| good	0.243 \| good
2025-06-07T05:00:00.000Z	49 \| good	8.875 \| good	38.723 \| good	16.392 \| good	1.496 \| good	12.819 \| good	0.244 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	9.849 \| good	43.548 \| good	14.016 \| good	1.5 \| good	12.92 \| good	0.245 \| good
2025-06-07T07:00:00.000Z	56 \| moderate	11.769 \| good	51.584 \| good	12.127 \| good	1.262 \| good	10.226 \| good	0.221 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	13.217 \| fine	59.231 \| fine	11.829 \| good	1.261 \| good	9.855 \| good	0.218 \| good
2025-06-07T09:00:00.000Z	60 \| moderate	13.787 \| fine	61.634 \| fine	13.132 \| good	1.26 \| good	9.484 \| good	0.215 \| good
2025-06-07T10:00:00.000Z	67 \| moderate	18.306 \| fine	81.016 \| fine	13.996 \| good	1.149 \| good	8.481 \| good	0.222 \| good
2025-06-07T11:00:00.000Z	66 \| moderate	16.862 \| fine	75.194 \| fine	16.524 \| good	1.233 \| good	8.711 \| good	0.222 \| good
2025-06-07T12:00:00.000Z	69 \| moderate	18.76 \| fine	83.032 \| fine	20.944 \| good	1.318 \| good	8.941 \| good	0.223 \| good
2025-06-07T13:00:00.000Z	73 \| moderate	20.571 \| fine	90.119 \| fine	23.254 \| good	2.216 \| good	6.077 \| good	0.224 \| good
2025-06-07T14:00:00.000Z	66 \| moderate	16.974 \| fine	75.968 \| fine	26.769 \| good	2.358 \| good	6.75 \| good	0.231 \| good
2025-06-07T15:00:00.000Z	66 \| moderate	16.759 \| fine	74.057 \| fine	31.933 \| good	2.5 \| good	7.423 \| good	0.238 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.947 \| good	53.656 \| good	36.488 \| good	1.863 \| good	2.947 \| good	0.201 \| good
2025-06-07T17:00:00.000Z	58 \| moderate	12.782 \| fine	56.579 \| fine	39.646 \| good	1.917 \| good	3.446 \| good	0.207 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	13.209 \| fine	60.135 \| fine	41.713 \| good	1.971 \| good	3.945 \| good	0.214 \| good
2025-06-07T19:00:00.000Z	62 \| moderate	15.11 \| fine	68.124 \| fine	42.893 \| good	1.562 \| good	3.532 \| good	0.205 \| good
2025-06-07T20:00:00.000Z	64 \| moderate	16.314 \| fine	72.55 \| fine	41.077 \| good	1.564 \| good	4.277 \| good	0.21 \| good
2025-06-07T21:00:00.000Z	67 \| moderate	17.725 \| fine	78.525 \| fine	40.002 \| good	1.565 \| good	5.021 \| good	0.216 \| good
2025-06-07T22:00:00.000Z	67 \| moderate	17.889 \| fine	78.548 \| fine	41.449 \| good	1.73 \| good	9.615 \| good	0.247 \| good
2025-06-07T23:00:00.000Z	66 \| moderate	17.175 \| fine	76.048 \| fine	43.441 \| good	1.73 \| good	11.239 \| good	0.256 \| good
2025-06-08T00:00:00.000Z	60 \| moderate	13.629 \| fine	60.684 \| fine	38.36 \| good	1.73 \| good	12.862 \| good	0.266 \| good
2025-06-08T01:00:00.000Z	60 \| moderate	14.489 \| fine	64.46 \| fine	36.631 \| good	1.887 \| good	15.153 \| good	0.274 \| good
2025-06-08T02:00:00.000Z	60 \| moderate	14.123 \| fine	62.997 \| fine	31.564 \| good	1.845 \| good	16.001 \| good	0.276 \| good
2025-06-08T03:00:00.000Z	58 \| moderate	13.217 \| fine	59.459 \| fine	24.924 \| good	1.803 \| good	16.849 \| good	0.279 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.137 \| good	31.14 \| good	29.75 \| good	1.8 \| good	15.347 \| good	0.273 \| good
2025-06-08T05:00:00.000Z	27 \| good	4.612 \| good	20.196 \| good	29.288 \| good	1.713 \| good	15.324 \| good	0.27 \| good
2025-06-08T06:00:00.000Z	27 \| good	4.545 \| good	20.084 \| good	27.05 \| good	1.625 \| good	15.3 \| good	0.268 \| good
2025-06-08T07:00:00.000Z	33 \| good	5.595 \| good	24.151 \| good	26.337 \| good	1.737 \| good	17.271 \| good	0.271 \| good
2025-06-08T08:00:00.000Z	38 \| good	6.502 \| good	28.676 \| good	23.935 \| good	1.663 \| good	16.493 \| good	0.265 \| good
2025-06-08T09:00:00.000Z	27 \| good	4.662 \| good	19.826 \| good	22.238 \| good	1.589 \| good	15.716 \| good	0.258 \| good
2025-06-08T10:00:00.000Z	19 \| good	3.164 \| good	12.684 \| good	20.303 \| good	1.699 \| good	15.911 \| good	0.296 \| good
2025-06-08T11:00:00.000Z	18 \| good	2.322 \| good	9.412 \| good	18.852 \| good	1.709 \| good	16.125 \| good	0.293 \| good
2025-06-08T12:00:00.000Z	21 \| good	1.731 \| good	7.391 \| good	23.307 \| good	1.72 \| good	16.338 \| good	0.29 \| good
2025-06-08T13:00:00.000Z	27 \| good	5.29 \| good	22.971 \| good	29.169 \| good	2.747 \| good	4.4 \| good	0.25 \| good
2025-06-08T14:00:00.000Z	44 \| good	8.184 \| good	36.065 \| good	36.524 \| good	3.149 \| good	5.354 \| good	0.257 \| good
2025-06-08T15:00:00.000Z	52 \| moderate	10.152 \| good	44.68 \| good	42.78 \| good	3.552 \| good	6.308 \| good	0.265 \| good
2025-06-08T16:00:00.000Z	44 \| good	8.293 \| good	36.767 \| good	47.512 \| good	1.121 \| good	1.096 \| good	0.198 \| good
2025-06-08T17:00:00.000Z	49 \| good	8.992 \| good	40.596 \| good	48.021 \| good	1.369 \| good	1.392 \| good	0.204 \| good
2025-06-08T18:00:00.000Z	52 \| moderate	10.155 \| good	44.941 \| good	45.218 \| good	1.617 \| good	1.688 \| good	0.209 \| good
2025-06-08T19:00:00.000Z	52 \| moderate	10.07 \| good	44.928 \| good	37.574 \| good	0.485 \| good	1.439 \| good	0.179 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	10.733 \| good	47.917 \| good	31.874 \| good	0.595 \| good	1.686 \| good	0.182 \| good

West Chicago

Get reliable air quality data to drive your business

West Chicago, Illinois air quality map: Track AQI near you

0.23ppm

How accurate is Illinois, USA air quality data?

Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for West Chicago, Illinois updated?

The air quality for West Chicago, Illinois is updated every hour.

When was the worst air quality at West Chicago, Illinois in the last 24 hrs?

The worst air quality in West Chicago, Illinois in the last 24 hours was observed at 08:00:00 on 2025-06-05.

When was the best air quality at West Chicago, Illinois in the last 24 hrs?

In the last 24 hrs, the best air quality in West Chicago, Illinois was observed at 06:00:00 on 2025-06-06.

What is the current air quality in West Chicago, Illinois?

The current air quality in West Chicago, Illinois is 94, categorized as Moderate based on real-time data.

What pollutant is the most common in West Chicago, Illinois?

The most common pollutant in West Chicago, Illinois is PM2.5.

What should I do if the air quality in West Chicago, Illinois is poor?

If the air quality in West Chicago, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in West Chicago, Illinois?

The current PM_2.5 concentration at West Chicago, Illinois is 31.762 μg/m³.

What is the current concentration of PM₁₀ in West Chicago, Illinois?

The current PM₁₀ concentration at West Chicago, Illinois is 91.393 μg/m³.

What is the current concentration of carbon monoxide (CO) in West Chicago, Illinois?

The current carbon monoxide (CO) concentration at West Chicago, Illinois is 0.232 ppm.

What is the current concentration of sulfur dioxide (SO₂) in West Chicago, Illinois?

The current sulfur dioxide (SO₂) concentration at West Chicago, Illinois is 0.486 ppb.

What is the current concentration of ozone (O₃) in West Chicago, Illinois?

The current ozone (O₃) concentration at West Chicago, Illinois is 55.836 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in West Chicago, Illinois?

The current nitrogen dioxide (NO₂) concentration at West Chicago, Illinois is 1.904 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T21:00:00.000Z	94 \| moderate	32.351 \| fine	92.597 \| fine	42.03 \| good	0.365 \| good	4.099 \| good	0.329 \| good
2025-06-04T22:00:00.000Z	99 \| moderate	35.169 \| fine	107.91 \| fine	40.65 \| good	0.391 \| good	2.188 \| good	0.329 \| good
2025-06-04T23:00:00.000Z	92 \| moderate	31.486 \| fine	121.062 \| fine	41.516 \| good	0.369 \| good	2.959 \| good	0.329 \| good
2025-06-05T00:00:00.000Z	94 \| moderate	32.496 \| fine	54.746 \| good	42.394 \| good	0.272 \| good	4.271 \| good	0.355 \| good
2025-06-05T01:00:00.000Z	39 \| good	7.4 \| good	33.736 \| good	42.089 \| good	0.274 \| good	4.225 \| good	0.408 \| good
2025-06-05T02:00:00.000Z	129 \| sensitive	47.047 \| moderate	199.946 \| moderate	40.007 \| good	0.354 \| good	12.375 \| good	0.512 \| good
2025-06-05T03:00:00.000Z	75 \| moderate	22.255 \| fine	97.305 \| fine	29.482 \| good	0.405 \| good	18.803 \| good	0.508 \| good
2025-06-05T04:00:00.000Z	71 \| moderate	19.982 \| fine	82.238 \| fine	31.901 \| good	0.389 \| good	30.97 \| good	0.538 \| good
2025-06-05T05:00:00.000Z	71 \| moderate	20.189 \| fine	77.688 \| fine	23.733 \| good	0.367 \| good	27.604 \| good	0.506 \| good
2025-06-05T06:00:00.000Z	86 \| moderate	28.033 \| fine	116.958 \| fine	21.289 \| good	0.323 \| good	25.089 \| good	0.506 \| good
2025-06-05T07:00:00.000Z	86 \| moderate	28.451 \| fine	92.85 \| fine	23.269 \| good	0.434 \| good	18.453 \| good	0.474 \| good
2025-06-05T08:00:00.000Z	97 \| moderate	33.529 \| fine	125.174 \| fine	29.879 \| good	0.456 \| good	16.55 \| good	0.461 \| good
2025-06-05T09:00:00.000Z	99 \| moderate	34.578 \| fine	129.889 \| fine	29.204 \| good	0.441 \| good	15.916 \| good	0.493 \| good
2025-06-05T10:00:00.000Z	105 \| sensitive	36.969 \| moderate	145.934 \| fine	8.783 \| good	0.417 \| good	15.081 \| good	0.473 \| good
2025-06-05T11:00:00.000Z	107 \| sensitive	38.274 \| moderate	141.88 \| fine	24.716 \| good	0.359 \| good	15.772 \| good	0.548 \| good
2025-06-05T12:00:00.000Z	122 \| sensitive	44.177 \| moderate	169.97 \| moderate	15.563 \| good	0.311 \| good	16.587 \| good	0.542 \| good
2025-06-05T13:00:00.000Z	112 \| sensitive	40.198 \| moderate	174.308 \| moderate	20.709 \| good	0.422 \| good	8.235 \| good	0.479 \| good
2025-06-05T14:00:00.000Z	110 \| sensitive	39.147 \| moderate	159.34 \| moderate	20.396 \| good	0.341 \| good	5.216 \| good	0.402 \| good
2025-06-05T15:00:00.000Z	122 \| sensitive	44.105 \| moderate	188.427 \| moderate	35.305 \| good	0.297 \| good	4.283 \| good	0.391 \| good
2025-06-05T16:00:00.000Z	134 \| sensitive	48.938 \| moderate	213.375 \| moderate	38.659 \| good	0.681 \| good	3.54 \| good	0.391 \| good
2025-06-05T17:00:00.000Z	149 \| sensitive	55.293 \| moderate	220.413 \| moderate	41.37 \| good	2.46 \| good	3.738 \| good	0.374 \| good
2025-06-05T18:00:00.000Z	117 \| sensitive	41.752 \| moderate	185.522 \| moderate	42.429 \| good	1.152 \| good	2.692 \| good	0.361 \| good
2025-06-05T19:00:00.000Z	127 \| sensitive	46.027 \| moderate	85.666 \| fine	48.073 \| good	1.253 \| good	1.492 \| good	0.31 \| good
2025-06-05T20:00:00.000Z	152 \| unhealthy	57.461 \| poor	225.933 \| moderate	52.12 \| good	0.921 \| good	2.564 \| good	0.291 \| good
2025-06-05T21:00:00.000Z	119 \| sensitive	42.644 \| moderate	152.083 \| fine	50.778 \| good	0.924 \| good	2.374 \| good	0.264 \| good
2025-06-05T22:00:00.000Z	142 \| sensitive	52.241 \| moderate	155.383 \| moderate	53.927 \| good	0.476 \| good	4.433 \| good	0.264 \| good
2025-06-05T23:00:00.000Z	137 \| sensitive	49.974 \| moderate	165.696 \| moderate	54.713 \| good	0.415 \| good	5.951 \| good	0.245 \| good
2025-06-06T00:00:00.000Z	144 \| sensitive	53.181 \| moderate	210.058 \| moderate	58.143 \| fine	0.786 \| good	5.503 \| good	0.259 \| good
2025-06-06T01:00:00.000Z	146 \| sensitive	52.249 \| moderate	245.333 \| moderate	51.065 \| good	1.152 \| good	6.625 \| good	0.259 \| good
2025-06-06T02:00:00.000Z	132 \| sensitive	48.041 \| moderate	190.572 \| moderate	50.129 \| good	1.917 \| good	6.662 \| good	0.274 \| good
2025-06-06T03:00:00.000Z	144 \| sensitive	53.215 \| moderate	234.551 \| moderate	47.039 \| good	1.982 \| good	11.05 \| good	0.287 \| good
2025-06-06T04:00:00.000Z	122 \| sensitive	44.113 \| moderate	178.034 \| moderate	48.476 \| good	1.883 \| good	3.515 \| good	0.272 \| good
2025-06-06T05:00:00.000Z	139 \| sensitive	50.781 \| moderate	228.122 \| moderate	38.399 \| good	1.018 \| good	5.297 \| good	0.323 \| good
2025-06-06T06:00:00.000Z	134 \| sensitive	49.325 \| moderate	196.46 \| moderate	34.384 \| good	0.847 \| good	7.066 \| good	0.336 \| good
2025-06-06T07:00:00.000Z	127 \| sensitive	45.545 \| moderate	147.972 \| fine	32.039 \| good	0.399 \| good	9.84 \| good	0.31 \| good
2025-06-06T08:00:00.000Z	122 \| sensitive	43.577 \| moderate	196.821 \| moderate	30.437 \| good	0.337 \| good	9.432 \| good	0.325 \| good
2025-06-06T09:00:00.000Z	107 \| sensitive	38.345 \| moderate	161.761 \| moderate	40.063 \| good	0.366 \| good	10.451 \| good	0.325 \| good
2025-06-06T10:00:00.000Z	104 \| sensitive	33.59 \| fine	160.813 \| moderate	15.903 \| good	1.162 \| good	12.769 \| good	0.325 \| good
2025-06-06T11:00:00.000Z	102 \| sensitive	35.78 \| moderate	142.474 \| fine	35.109 \| good	0.335 \| good	14.49 \| good	0.355 \| good
2025-06-06T12:00:00.000Z	99 \| moderate	34.819 \| fine	149.007 \| fine	29.483 \| good	0.389 \| good	11.677 \| good	0.357 \| good
2025-06-06T13:00:00.000Z	96 \| moderate	33.237 \| fine	143.471 \| fine	33.481 \| good	0.403 \| good	6.733 \| good	0.325 \| good
2025-06-06T14:00:00.000Z	107 \| sensitive	38.106 \| moderate	159.658 \| moderate	30.495 \| good	0.39 \| good	12.59 \| good	0.486 \| good
2025-06-06T15:00:00.000Z	96 \| moderate	33.325 \| fine	109.922 \| fine	39.417 \| good	0.469 \| good	10.104 \| good	0.359 \| good
2025-06-06T16:00:00.000Z	92 \| moderate	30.963 \| fine	127.906 \| fine	39.788 \| good	0.765 \| good	3.049 \| good	0.274 \| good
2025-06-06T17:00:00.000Z	96 \| moderate	32.795 \| fine	106.669 \| fine	43.044 \| good	0.67 \| good	3.005 \| good	0.26 \| good
2025-06-06T18:00:00.000Z	90 \| moderate	29.786 \| fine	117.563 \| fine	48.742 \| good	0.423 \| good	2.068 \| good	0.26 \| good
2025-06-06T19:00:00.000Z	107 \| sensitive	37.611 \| moderate	136.661 \| fine	54.268 \| good	1.009 \| good	2.593 \| good	0.232 \| good
2025-06-06T20:00:00.000Z	94 \| moderate	31.762 \| fine	91.393 \| fine	55.836 \| fine	0.486 \| good	1.904 \| good	0.232 \| good
2025-06-06T20:00:00.000Z	94 \| moderate	31.762 \| fine	91.393 \| fine	55.836 \| fine	0.486 \| good	1.904 \| good	0.232 \| good
2025-06-06T21:00:00.000Z	54 \| moderate	11.091 \| good	49.411 \| good	51.064 \| good	1.351 \| good	3.047 \| good	0.196 \| good
2025-06-06T22:00:00.000Z	54 \| moderate	11.321 \| good	50.376 \| good	46.819 \| good	1.206 \| good	5.708 \| good	0.198 \| good
2025-06-06T23:00:00.000Z	60 \| moderate	13.527 \| fine	60.15 \| fine	41.645 \| good	1.326 \| good	6.85 \| good	0.207 \| good
2025-06-07T00:00:00.000Z	49 \| good	9.298 \| good	41.475 \| good	35.95 \| good	1.445 \| good	7.993 \| good	0.216 \| good
2025-06-07T01:00:00.000Z	56 \| moderate	12.381 \| fine	56.179 \| fine	34.026 \| good	1.523 \| good	11.989 \| good	0.235 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	12.499 \| fine	56.498 \| fine	24.628 \| good	1.601 \| good	13.063 \| good	0.244 \| good
2025-06-07T03:00:00.000Z	52 \| moderate	9.525 \| good	42.25 \| good	19.789 \| good	1.68 \| good	14.138 \| good	0.252 \| good
2025-06-07T04:00:00.000Z	44 \| good	8.143 \| good	35.426 \| good	19.348 \| good	1.492 \| good	12.718 \| good	0.243 \| good
2025-06-07T05:00:00.000Z	49 \| good	8.875 \| good	38.723 \| good	16.392 \| good	1.496 \| good	12.819 \| good	0.244 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	9.849 \| good	43.548 \| good	14.016 \| good	1.5 \| good	12.92 \| good	0.245 \| good
2025-06-07T07:00:00.000Z	56 \| moderate	11.769 \| good	51.584 \| good	12.127 \| good	1.262 \| good	10.226 \| good	0.221 \| good
2025-06-07T08:00:00.000Z	58 \| moderate	13.217 \| fine	59.231 \| fine	11.829 \| good	1.261 \| good	9.855 \| good	0.218 \| good
2025-06-07T09:00:00.000Z	60 \| moderate	13.787 \| fine	61.634 \| fine	13.132 \| good	1.26 \| good	9.484 \| good	0.215 \| good
2025-06-07T10:00:00.000Z	67 \| moderate	18.306 \| fine	81.016 \| fine	13.996 \| good	1.149 \| good	8.481 \| good	0.222 \| good
2025-06-07T11:00:00.000Z	66 \| moderate	16.862 \| fine	75.194 \| fine	16.524 \| good	1.233 \| good	8.711 \| good	0.222 \| good
2025-06-07T12:00:00.000Z	69 \| moderate	18.76 \| fine	83.032 \| fine	20.944 \| good	1.318 \| good	8.941 \| good	0.223 \| good
2025-06-07T13:00:00.000Z	73 \| moderate	20.571 \| fine	90.119 \| fine	23.254 \| good	2.216 \| good	6.077 \| good	0.224 \| good
2025-06-07T14:00:00.000Z	66 \| moderate	16.974 \| fine	75.968 \| fine	26.769 \| good	2.358 \| good	6.75 \| good	0.231 \| good
2025-06-07T15:00:00.000Z	66 \| moderate	16.759 \| fine	74.057 \| fine	31.933 \| good	2.5 \| good	7.423 \| good	0.238 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.947 \| good	53.656 \| good	36.488 \| good	1.863 \| good	2.947 \| good	0.201 \| good
2025-06-07T17:00:00.000Z	58 \| moderate	12.782 \| fine	56.579 \| fine	39.646 \| good	1.917 \| good	3.446 \| good	0.207 \| good
2025-06-07T18:00:00.000Z	58 \| moderate	13.209 \| fine	60.135 \| fine	41.713 \| good	1.971 \| good	3.945 \| good	0.214 \| good
2025-06-07T19:00:00.000Z	62 \| moderate	15.11 \| fine	68.124 \| fine	42.893 \| good	1.562 \| good	3.532 \| good	0.205 \| good
2025-06-07T20:00:00.000Z	64 \| moderate	16.314 \| fine	72.55 \| fine	41.077 \| good	1.564 \| good	4.277 \| good	0.21 \| good
2025-06-07T21:00:00.000Z	67 \| moderate	17.725 \| fine	78.525 \| fine	40.002 \| good	1.565 \| good	5.021 \| good	0.216 \| good
2025-06-07T22:00:00.000Z	67 \| moderate	17.889 \| fine	78.548 \| fine	41.449 \| good	1.73 \| good	9.615 \| good	0.247 \| good
2025-06-07T23:00:00.000Z	66 \| moderate	17.175 \| fine	76.048 \| fine	43.441 \| good	1.73 \| good	11.239 \| good	0.256 \| good
2025-06-08T00:00:00.000Z	60 \| moderate	13.629 \| fine	60.684 \| fine	38.36 \| good	1.73 \| good	12.862 \| good	0.266 \| good
2025-06-08T01:00:00.000Z	60 \| moderate	14.489 \| fine	64.46 \| fine	36.631 \| good	1.887 \| good	15.153 \| good	0.274 \| good
2025-06-08T02:00:00.000Z	60 \| moderate	14.123 \| fine	62.997 \| fine	31.564 \| good	1.845 \| good	16.001 \| good	0.276 \| good
2025-06-08T03:00:00.000Z	58 \| moderate	13.217 \| fine	59.459 \| fine	24.924 \| good	1.803 \| good	16.849 \| good	0.279 \| good
2025-06-08T04:00:00.000Z	38 \| good	7.137 \| good	31.14 \| good	29.75 \| good	1.8 \| good	15.347 \| good	0.273 \| good
2025-06-08T05:00:00.000Z	27 \| good	4.612 \| good	20.196 \| good	29.288 \| good	1.713 \| good	15.324 \| good	0.27 \| good
2025-06-08T06:00:00.000Z	27 \| good	4.545 \| good	20.084 \| good	27.05 \| good	1.625 \| good	15.3 \| good	0.268 \| good
2025-06-08T07:00:00.000Z	33 \| good	5.595 \| good	24.151 \| good	26.337 \| good	1.737 \| good	17.271 \| good	0.271 \| good
2025-06-08T08:00:00.000Z	38 \| good	6.502 \| good	28.676 \| good	23.935 \| good	1.663 \| good	16.493 \| good	0.265 \| good
2025-06-08T09:00:00.000Z	27 \| good	4.662 \| good	19.826 \| good	22.238 \| good	1.589 \| good	15.716 \| good	0.258 \| good
2025-06-08T10:00:00.000Z	19 \| good	3.164 \| good	12.684 \| good	20.303 \| good	1.699 \| good	15.911 \| good	0.296 \| good
2025-06-08T11:00:00.000Z	18 \| good	2.322 \| good	9.412 \| good	18.852 \| good	1.709 \| good	16.125 \| good	0.293 \| good
2025-06-08T12:00:00.000Z	21 \| good	1.731 \| good	7.391 \| good	23.307 \| good	1.72 \| good	16.338 \| good	0.29 \| good
2025-06-08T13:00:00.000Z	27 \| good	5.29 \| good	22.971 \| good	29.169 \| good	2.747 \| good	4.4 \| good	0.25 \| good
2025-06-08T14:00:00.000Z	44 \| good	8.184 \| good	36.065 \| good	36.524 \| good	3.149 \| good	5.354 \| good	0.257 \| good
2025-06-08T15:00:00.000Z	52 \| moderate	10.152 \| good	44.68 \| good	42.78 \| good	3.552 \| good	6.308 \| good	0.265 \| good
2025-06-08T16:00:00.000Z	44 \| good	8.293 \| good	36.767 \| good	47.512 \| good	1.121 \| good	1.096 \| good	0.198 \| good
2025-06-08T17:00:00.000Z	49 \| good	8.992 \| good	40.596 \| good	48.021 \| good	1.369 \| good	1.392 \| good	0.204 \| good
2025-06-08T18:00:00.000Z	52 \| moderate	10.155 \| good	44.941 \| good	45.218 \| good	1.617 \| good	1.688 \| good	0.209 \| good
2025-06-08T19:00:00.000Z	52 \| moderate	10.07 \| good	44.928 \| good	37.574 \| good	0.485 \| good	1.439 \| good	0.179 \| good
2025-06-08T20:00:00.000Z	54 \| moderate	10.733 \| good	47.917 \| good	31.874 \| good	0.595 \| good	1.686 \| good	0.182 \| good

Live air quality index in West Chicago, Illinois today

Major air pollutants in West Chicago, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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West Chicago, Illinois air quality map: Track AQI near you

Air quality in nearby cities

Winfield, Illinois

Carol Stream, Illinois

Warrenville, Illinois

Wheaton, Illinois

St. Charles, Illinois

Batavia, Illinois

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Frequently asked questions

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What is the current concentration of PM2.5 in West Chicago, Illinois?

What is the current concentration of PM10 in West Chicago, Illinois?

What is the current concentration of carbon monoxide (CO) in West Chicago, Illinois?

What is the current concentration of sulfur dioxide (SO2) in West Chicago, Illinois?

What is the current concentration of ozone (O3) in West Chicago, Illinois?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in West Chicago, Illinois?

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What is the current concentration of nitrogen dioxide (NO₂) in West Chicago, Illinois?