What are the current PM10 levels at Zion, Illinois?

The current PM10 levels in Zion, Illinois are 83.826 μg/m3.

What are the current sulfur dioxide (SO2) levels at Zion, Illinois?

The current sulfur dioxide (SO2) levels in Zion, Illinois are 1.26 ppb.

What are the current ozone (O3) levels at Zion, Illinois?

The current ozone (O3) levels at Zion, Illinois is 42.678 ppm.

What are the current nitrogen dioxide (NO2) levels at Zion, Illinois?

The current nitrogen dioxide (NO2) levels at Zion, Illinois is 7.832 ppb.

Real-time air quality index in Zion, Illinois today

Q: What are the current PM2.5 levels in Zion, Illinois?

The measured PM2.5 levels in Zion, Illinois at present are 18.469 μg/m3.

Stay updated with real-time air quality in Zion, 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

Zion, Illinois

Last updated: ... (Local time)

Common air pollutants in Zion, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

18.47 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

83.83 μg/m³

155

255

425

605+

Ozone (O₃)

42.68 ppb

201

201+

Sulfur Dioxide (SO₂)

1.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.83 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Zion, Illinois

Get Live Pollen Counts

Zion, Illinois

Scroll To Air Quality Map

Track live Zion, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	43 \| good	5.448 \| good	19.118 \| good	45.994 \| good	2.98 \| good	3.407 \| good	0.241 \| good
2026-10-20T23:00:00.000Z	44 \| good	5.606 \| good	24.264 \| good	46.515 \| good	0.666 \| good	4.691 \| good	0.252 \| good
2026-10-21T00:00:00.000Z	40 \| good	5.467 \| good	23.861 \| good	42.574 \| good	0.59 \| good	10.697 \| good	0.281 \| good
2026-10-21T01:00:00.000Z	33 \| good	5.862 \| good	22.213 \| good	34.262 \| good	0.465 \| good	13.971 \| good	0.292 \| good
2026-10-21T02:00:00.000Z	33 \| good	6.315 \| good	30.163 \| good	25.715 \| good	0.437 \| good	16.546 \| good	0.303 \| good
2026-10-21T03:00:00.000Z	38 \| good	6.809 \| good	30.247 \| good	32.054 \| good	1.955 \| good	21.186 \| good	0.23 \| good
2026-10-21T04:00:00.000Z	38 \| good	6.978 \| good	33.251 \| good	11.918 \| good	0.581 \| good	24.675 \| good	0.364 \| good
2026-10-21T05:00:00.000Z	44 \| good	7.693 \| good	43.402 \| good	8.132 \| good	1.369 \| good	27.26 \| good	0.323 \| good
2026-10-21T06:00:00.000Z	38 \| good	7.441 \| good	32.476 \| good	6.77 \| good	1.514 \| good	26.494 \| good	0.314 \| good
2026-10-21T07:00:00.000Z	44 \| good	7.952 \| good	30.324 \| good	6.755 \| good	1.307 \| good	22.53 \| good	0.325 \| good
2026-10-21T08:00:00.000Z	54 \| moderate	11.214 \| good	31.479 \| good	7.6 \| good	0.797 \| good	22.622 \| good	0.275 \| good
2026-10-21T09:00:00.000Z	54 \| moderate	10.744 \| good	45.896 \| good	8.378 \| good	0.775 \| good	22.432 \| good	0.263 \| good
2026-10-21T10:00:00.000Z	52 \| moderate	10.105 \| good	31.433 \| good	7.02 \| good	0.869 \| good	22.686 \| good	0.325 \| good
2026-10-21T11:00:00.000Z	56 \| moderate	11.951 \| good	45.547 \| good	8.123 \| good	0.955 \| good	23.844 \| good	0.426 \| good
2026-10-21T12:00:00.000Z	56 \| moderate	12.063 \| good	34.267 \| good	6.55 \| good	0.926 \| good	22.57 \| good	0.435 \| good
2026-10-21T13:00:00.000Z	58 \| moderate	12.742 \| fine	43.354 \| good	6.518 \| good	0.955 \| good	19.482 \| good	0.435 \| good
2026-10-21T14:00:00.000Z	69 \| moderate	18.918 \| fine	60.654 \| fine	9.1 \| good	1.155 \| good	24.716 \| good	0.494 \| good
2026-10-21T15:00:00.000Z	62 \| moderate	14.722 \| fine	68.151 \| fine	11.257 \| good	1.428 \| good	23.218 \| good	0.466 \| good
2026-10-21T16:00:00.000Z	67 \| moderate	18.31 \| fine	67.878 \| fine	11.457 \| good	1.733 \| good	21.447 \| good	0.365 \| good
2026-10-21T17:00:00.000Z	71 \| moderate	20.315 \| fine	88.022 \| fine	15.307 \| good	1.733 \| good	19.203 \| good	0.3 \| good
2026-10-21T18:00:00.000Z	64 \| moderate	16.068 \| fine	68.432 \| fine	16.18 \| good	1.68 \| good	17.323 \| good	0.291 \| good
2026-10-21T19:00:00.000Z	67 \| moderate	17.512 \| fine	57.468 \| fine	18.04 \| good	1.205 \| good	16.818 \| good	0.291 \| good
2026-10-21T20:00:00.000Z	62 \| moderate	15.058 \| fine	56.197 \| fine	22.787 \| good	1.218 \| good	15.199 \| good	0.291 \| good
2026-10-21T21:00:00.000Z	66 \| moderate	16.573 \| fine	56.746 \| fine	25.265 \| good	1.416 \| good	13.925 \| good	0.291 \| good
2026-10-21T22:00:00.000Z	69 \| moderate	18.737 \| fine	77.031 \| fine	26.317 \| good	1.255 \| good	15.03 \| good	0.291 \| good
2026-10-21T23:00:00.000Z	73 \| moderate	20.591 \| fine	81.714 \| fine	24.849 \| good	1.402 \| good	17.639 \| good	0.303 \| good
2026-10-22T00:00:00.000Z	75 \| moderate	21.69 \| fine	81.322 \| fine	21.841 \| good	0.964 \| good	16.65 \| good	0.373 \| good
2026-10-22T01:00:00.000Z	73 \| moderate	21.336 \| fine	97.72 \| fine	22.555 \| good	0.838 \| good	27.336 \| good	0.402 \| good
2026-10-22T02:00:00.000Z	66 \| moderate	16.873 \| fine	62.842 \| fine	27.603 \| good	0.67 \| good	32.233 \| good	0.444 \| good
2026-10-22T03:00:00.000Z	49 \| good	9.154 \| good	40.441 \| good	14.196 \| good	1.806 \| good	38.271 \| good	0.379 \| good
2026-10-22T04:00:00.000Z	66 \| moderate	16.849 \| fine	63.062 \| fine	22.722 \| good	0.935 \| good	30.349 \| good	0.505 \| good
2026-10-22T05:00:00.000Z	62 \| moderate	15.165 \| fine	62.908 \| fine	18.959 \| good	0.782 \| good	26.258 \| good	0.452 \| good
2026-10-22T06:00:00.000Z	60 \| moderate	13.636 \| fine	58.845 \| fine	14.777 \| good	0.687 \| good	23.151 \| good	0.394 \| good
2026-10-22T07:00:00.000Z	67 \| moderate	17.636 \| fine	75.198 \| fine	12.472 \| good	0.676 \| good	24.017 \| good	0.394 \| good
2026-10-22T08:00:00.000Z	69 \| moderate	18.814 \| fine	80.529 \| fine	16.352 \| good	0.686 \| good	18.396 \| good	0.36 \| good
2026-10-22T09:00:00.000Z	69 \| moderate	19.379 \| fine	72.019 \| fine	15.601 \| good	0.635 \| good	17.392 \| good	0.348 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	15.807 \| fine	60.096 \| fine	15.214 \| good	0.668 \| good	15.959 \| good	0.339 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	15.909 \| fine	67.693 \| fine	15.224 \| good	0.673 \| good	14.835 \| good	0.463 \| good
2026-10-22T12:00:00.000Z	62 \| moderate	14.955 \| fine	53.577 \| good	17.657 \| good	0.359 \| good	13.485 \| good	0.499 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	14.038 \| fine	61.364 \| fine	19.113 \| good	0.372 \| good	17.14 \| good	0.486 \| good
2026-10-22T14:00:00.000Z	60 \| moderate	13.679 \| fine	58.612 \| fine	17.576 \| good	0.819 \| good	20.625 \| good	0.546 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.326 \| fine	67.586 \| fine	21.357 \| good	0.892 \| good	16.813 \| good	0.511 \| good
2026-10-22T16:00:00.000Z	67 \| moderate	17.582 \| fine	74.927 \| fine	28.829 \| good	0.784 \| good	14.632 \| good	0.326 \| good
2026-10-22T17:00:00.000Z	67 \| moderate	17.799 \| fine	73.14 \| fine	28.288 \| good	0.839 \| good	12.9 \| good	0.323 \| good
2026-10-22T18:00:00.000Z	66 \| moderate	16.975 \| fine	64.362 \| fine	29.577 \| good	0.666 \| good	7.555 \| good	0.263 \| good
2026-10-22T19:00:00.000Z	67 \| moderate	17.584 \| fine	74.644 \| fine	35.949 \| good	1.416 \| good	9.117 \| good	0.241 \| good
2026-10-22T20:00:00.000Z	67 \| moderate	17.944 \| fine	78.322 \| fine	39.646 \| good	1.309 \| good	9.555 \| good	0.241 \| good
2026-10-22T21:00:00.000Z	67 \| moderate	18.469 \| fine	83.826 \| fine	42.678 \| good	1.26 \| good	7.832 \| good	0.291 \| good
2026-10-22T21:00:00.000Z	67 \| moderate	18.469 \| fine	83.826 \| fine	42.678 \| good	1.26 \| good	7.832 \| good	0.291 \| good
2026-10-22T22:00:00.000Z	73 \| moderate	20.551 \| fine	90.412 \| fine	47.565 \| good	0.731 \| good	17.583 \| good	0.299 \| good
2026-10-22T23:00:00.000Z	71 \| moderate	20.438 \| fine	89.863 \| fine	39.701 \| good	0.746 \| good	25.776 \| good	0.341 \| good
2026-10-23T00:00:00.000Z	58 \| moderate	13.219 \| fine	59.02 \| fine	27.37 \| good	0.831 \| good	31.183 \| good	0.368 \| good
2026-10-23T01:00:00.000Z	54 \| moderate	11.456 \| good	50.839 \| good	37.293 \| good	0.934 \| good	33.645 \| good	0.37 \| good
2026-10-23T02:00:00.000Z	49 \| good	9.356 \| good	41.323 \| good	35.888 \| good	1.047 \| good	35.54 \| good	0.367 \| good
2026-10-23T03:00:00.000Z	44 \| good	8.28 \| good	36.403 \| good	30.273 \| good	1.166 \| good	36.386 \| good	0.363 \| good
2026-10-23T04:00:00.000Z	44 \| good	7.827 \| good	34.313 \| good	24.616 \| good	1.271 \| good	37.016 \| good	0.366 \| good
2026-10-23T05:00:00.000Z	35 \| good	6.038 \| good	26.73 \| good	23.116 \| good	1.322 \| good	36.87 \| good	0.367 \| good
2026-10-23T06:00:00.000Z	35 \| good	6.406 \| good	28.24 \| good	21.809 \| good	1.354 \| good	36.576 \| good	0.362 \| good
2026-10-23T07:00:00.000Z	38 \| good	6.545 \| good	28.734 \| good	21.654 \| good	1.431 \| good	36.596 \| good	0.357 \| good
2026-10-23T08:00:00.000Z	44 \| good	8.275 \| good	36.179 \| good	19.134 \| good	1.538 \| good	36.875 \| good	0.355 \| good
2026-10-23T09:00:00.000Z	52 \| moderate	9.507 \| good	42.538 \| good	20.537 \| good	1.691 \| good	37.359 \| good	0.354 \| good
2026-10-23T10:00:00.000Z	54 \| moderate	10.93 \| good	48.472 \| good	22.698 \| good	1.936 \| good	37.742 \| good	0.353 \| good
2026-10-23T11:00:00.000Z	58 \| moderate	12.838 \| fine	57.508 \| fine	16.897 \| good	2.165 \| good	38.285 \| good	0.356 \| good
2026-10-23T12:00:00.000Z	62 \| moderate	15.274 \| fine	68.302 \| fine	11.379 \| good	2.467 \| good	38.382 \| good	0.365 \| good
2026-10-23T13:00:00.000Z	69 \| moderate	18.527 \| fine	81.696 \| fine	9.044 \| good	2.713 \| good	34.243 \| good	0.386 \| good
2026-10-23T14:00:00.000Z	73 \| moderate	21.239 \| fine	93.238 \| fine	15.442 \| good	2.887 \| good	29.143 \| good	0.386 \| good
2026-10-23T15:00:00.000Z	77 \| moderate	23.211 \| fine	101.698 \| fine	24.038 \| good	2.927 \| good	26.378 \| good	0.38 \| good
2026-10-23T16:00:00.000Z	79 \| moderate	23.887 \| fine	104.498 \| fine	28.571 \| good	2.923 \| good	23.73 \| good	0.35 \| good
2026-10-23T17:00:00.000Z	75 \| moderate	21.573 \| fine	94.467 \| fine	31.668 \| good	2.663 \| good	21.154 \| good	0.322 \| good
2026-10-23T18:00:00.000Z	71 \| moderate	19.685 \| fine	86.751 \| fine	34.83 \| good	2.499 \| good	18.575 \| good	0.3 \| good
2026-10-23T19:00:00.000Z	69 \| moderate	18.606 \| fine	82.12 \| fine	38.141 \| good	2.251 \| good	16.852 \| good	0.288 \| good
2026-10-23T20:00:00.000Z	69 \| moderate	18.629 \| fine	82.489 \| fine	38.242 \| good	2.044 \| good	15.723 \| good	0.276 \| good
2026-10-23T21:00:00.000Z	67 \| moderate	18.069 \| fine	79.706 \| fine	42.552 \| good	1.964 \| good	15.185 \| good	0.264 \| good
2026-10-23T22:00:00.000Z	64 \| moderate	16.265 \| fine	71.82 \| fine	48.902 \| good	1.901 \| good	17.396 \| good	0.265 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	14.355 \| fine	64.457 \| fine	44.918 \| good	1.945 \| good	20.276 \| good	0.271 \| good
2026-10-24T00:00:00.000Z	52 \| moderate	10.013 \| good	44.58 \| good	36.87 \| good	1.946 \| good	21.041 \| good	0.27 \| good
2026-10-24T01:00:00.000Z	49 \| good	9.292 \| good	41.029 \| good	31.875 \| good	1.874 \| good	20.738 \| good	0.258 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	10.87 \| good	48.205 \| good	25.863 \| good	1.746 \| good	20.401 \| good	0.248 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	12.766 \| fine	56.919 \| fine	18.916 \| good	1.597 \| good	20.011 \| good	0.24 \| good
2026-10-24T04:00:00.000Z	60 \| moderate	13.693 \| fine	61.418 \| fine	21.667 \| good	1.47 \| good	19.072 \| good	0.236 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.507 \| fine	60.876 \| fine	21.482 \| good	1.393 \| good	16.875 \| good	0.233 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	12.778 \| fine	57.313 \| fine	19.41 \| good	1.366 \| good	15.275 \| good	0.232 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	12.591 \| fine	56.73 \| fine	12.541 \| good	1.422 \| good	13.411 \| good	0.231 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	12.8 \| fine	57.666 \| fine	11.341 \| good	1.451 \| good	11.862 \| good	0.229 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.029 \| good	53.425 \| good	11.256 \| good	1.437 \| good	10.633 \| good	0.227 \| good
2026-10-24T10:00:00.000Z	54 \| moderate	10.83 \| good	48.129 \| good	13.355 \| good	1.419 \| good	9.911 \| good	0.227 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	11.322 \| good	50.045 \| good	14.555 \| good	1.426 \| good	9.947 \| good	0.227 \| good
2026-10-24T12:00:00.000Z	54 \| moderate	11.143 \| good	49.156 \| good	13.227 \| good	1.478 \| good	11.497 \| good	0.232 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	10.633 \| good	47.084 \| good	16.357 \| good	1.54 \| good	13.278 \| good	0.239 \| good
2026-10-24T14:00:00.000Z	56 \| moderate	11.593 \| good	51.9 \| good	25.609 \| good	1.602 \| good	13.494 \| good	0.247 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	13.134 \| fine	58.838 \| fine	32.272 \| good	1.655 \| good	13.362 \| good	0.25 \| good
2026-10-24T16:00:00.000Z	62 \| moderate	15.059 \| fine	67.378 \| fine	34.366 \| good	1.648 \| good	13.347 \| good	0.251 \| good
2026-10-24T17:00:00.000Z	64 \| moderate	15.979 \| fine	71.137 \| fine	37.502 \| good	1.575 \| good	13.35 \| good	0.252 \| good
2026-10-24T18:00:00.000Z	64 \| moderate	16.09 \| fine	71.516 \| fine	40.231 \| good	1.563 \| good	12.705 \| good	0.249 \| good
2026-10-24T19:00:00.000Z	66 \| moderate	16.688 \| fine	74.503 \| fine	45.908 \| good	1.521 \| good	12.028 \| good	0.243 \| good
2026-10-24T20:00:00.000Z	67 \| moderate	17.873 \| fine	79.063 \| fine	46.217 \| good	1.611 \| good	12.212 \| good	0.239 \| good
2026-10-24T21:00:00.000Z	66 \| moderate	17.411 \| fine	77.106 \| fine	47.575 \| good	1.631 \| good	13.145 \| good	0.238 \| good

Zion

Empower business decisions with accurate air quality data

Zion, Illinois air quality map: Real-time AQI near you

0.25ppm

How accurate is Illinois, USA air quality data?

Air quality measurements for Illinois, 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 Zion, Illinois updated?

Air quality data for Zion, Illinois is updated on an hourly basis.

When did Zion, Illinois experience the worst air quality in the last 24 hours?

The worst air quality in Zion, Illinois was recorded at 12:00:00 on 2026-10-22.

When did Zion, Illinois have its best air quality in the last 24 hours?

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

What is the real-time air quality index for Zion, Illinois?

The real-time air quality index in Zion, Illinois is 67, currently categorized as Moderate.

Which pollutant is found most often in Zion, Illinois?

The most common pollutant in Zion, Illinois is PM2.5.

What can I do if the air quality in Zion, Illinois is poor?

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

What are the current PM_2.5 levels in Zion, Illinois?

The measured PM_2.5 levels in Zion, Illinois at present are 18.469 μg/m³.

What are the current PM₁₀ levels at Zion, Illinois?

The current PM₁₀ levels in Zion, Illinois are 83.826 μg/m³.

What are the current carbon monoxide (CO) levels at Zion, Illinois?

The current carbon monoxide (CO) level in Zion, Illinois is 0.291 ppm.

What are the current sulfur dioxide (SO₂) levels at Zion, Illinois?

The current sulfur dioxide (SO₂) levels in Zion, Illinois are 1.26 ppb.

What are the current ozone (O₃) levels at Zion, Illinois?

The current ozone (O₃) levels at Zion, Illinois is 42.678 ppm.

What are the current nitrogen dioxide (NO₂) levels at Zion, Illinois?

The current nitrogen dioxide (NO₂) levels at Zion, Illinois is 7.832 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	43 \| good	5.448 \| good	19.118 \| good	45.994 \| good	2.98 \| good	3.407 \| good	0.241 \| good
2026-10-20T23:00:00.000Z	44 \| good	5.606 \| good	24.264 \| good	46.515 \| good	0.666 \| good	4.691 \| good	0.252 \| good
2026-10-21T00:00:00.000Z	40 \| good	5.467 \| good	23.861 \| good	42.574 \| good	0.59 \| good	10.697 \| good	0.281 \| good
2026-10-21T01:00:00.000Z	33 \| good	5.862 \| good	22.213 \| good	34.262 \| good	0.465 \| good	13.971 \| good	0.292 \| good
2026-10-21T02:00:00.000Z	33 \| good	6.315 \| good	30.163 \| good	25.715 \| good	0.437 \| good	16.546 \| good	0.303 \| good
2026-10-21T03:00:00.000Z	38 \| good	6.809 \| good	30.247 \| good	32.054 \| good	1.955 \| good	21.186 \| good	0.23 \| good
2026-10-21T04:00:00.000Z	38 \| good	6.978 \| good	33.251 \| good	11.918 \| good	0.581 \| good	24.675 \| good	0.364 \| good
2026-10-21T05:00:00.000Z	44 \| good	7.693 \| good	43.402 \| good	8.132 \| good	1.369 \| good	27.26 \| good	0.323 \| good
2026-10-21T06:00:00.000Z	38 \| good	7.441 \| good	32.476 \| good	6.77 \| good	1.514 \| good	26.494 \| good	0.314 \| good
2026-10-21T07:00:00.000Z	44 \| good	7.952 \| good	30.324 \| good	6.755 \| good	1.307 \| good	22.53 \| good	0.325 \| good
2026-10-21T08:00:00.000Z	54 \| moderate	11.214 \| good	31.479 \| good	7.6 \| good	0.797 \| good	22.622 \| good	0.275 \| good
2026-10-21T09:00:00.000Z	54 \| moderate	10.744 \| good	45.896 \| good	8.378 \| good	0.775 \| good	22.432 \| good	0.263 \| good
2026-10-21T10:00:00.000Z	52 \| moderate	10.105 \| good	31.433 \| good	7.02 \| good	0.869 \| good	22.686 \| good	0.325 \| good
2026-10-21T11:00:00.000Z	56 \| moderate	11.951 \| good	45.547 \| good	8.123 \| good	0.955 \| good	23.844 \| good	0.426 \| good
2026-10-21T12:00:00.000Z	56 \| moderate	12.063 \| good	34.267 \| good	6.55 \| good	0.926 \| good	22.57 \| good	0.435 \| good
2026-10-21T13:00:00.000Z	58 \| moderate	12.742 \| fine	43.354 \| good	6.518 \| good	0.955 \| good	19.482 \| good	0.435 \| good
2026-10-21T14:00:00.000Z	69 \| moderate	18.918 \| fine	60.654 \| fine	9.1 \| good	1.155 \| good	24.716 \| good	0.494 \| good
2026-10-21T15:00:00.000Z	62 \| moderate	14.722 \| fine	68.151 \| fine	11.257 \| good	1.428 \| good	23.218 \| good	0.466 \| good
2026-10-21T16:00:00.000Z	67 \| moderate	18.31 \| fine	67.878 \| fine	11.457 \| good	1.733 \| good	21.447 \| good	0.365 \| good
2026-10-21T17:00:00.000Z	71 \| moderate	20.315 \| fine	88.022 \| fine	15.307 \| good	1.733 \| good	19.203 \| good	0.3 \| good
2026-10-21T18:00:00.000Z	64 \| moderate	16.068 \| fine	68.432 \| fine	16.18 \| good	1.68 \| good	17.323 \| good	0.291 \| good
2026-10-21T19:00:00.000Z	67 \| moderate	17.512 \| fine	57.468 \| fine	18.04 \| good	1.205 \| good	16.818 \| good	0.291 \| good
2026-10-21T20:00:00.000Z	62 \| moderate	15.058 \| fine	56.197 \| fine	22.787 \| good	1.218 \| good	15.199 \| good	0.291 \| good
2026-10-21T21:00:00.000Z	66 \| moderate	16.573 \| fine	56.746 \| fine	25.265 \| good	1.416 \| good	13.925 \| good	0.291 \| good
2026-10-21T22:00:00.000Z	69 \| moderate	18.737 \| fine	77.031 \| fine	26.317 \| good	1.255 \| good	15.03 \| good	0.291 \| good
2026-10-21T23:00:00.000Z	73 \| moderate	20.591 \| fine	81.714 \| fine	24.849 \| good	1.402 \| good	17.639 \| good	0.303 \| good
2026-10-22T00:00:00.000Z	75 \| moderate	21.69 \| fine	81.322 \| fine	21.841 \| good	0.964 \| good	16.65 \| good	0.373 \| good
2026-10-22T01:00:00.000Z	73 \| moderate	21.336 \| fine	97.72 \| fine	22.555 \| good	0.838 \| good	27.336 \| good	0.402 \| good
2026-10-22T02:00:00.000Z	66 \| moderate	16.873 \| fine	62.842 \| fine	27.603 \| good	0.67 \| good	32.233 \| good	0.444 \| good
2026-10-22T03:00:00.000Z	49 \| good	9.154 \| good	40.441 \| good	14.196 \| good	1.806 \| good	38.271 \| good	0.379 \| good
2026-10-22T04:00:00.000Z	66 \| moderate	16.849 \| fine	63.062 \| fine	22.722 \| good	0.935 \| good	30.349 \| good	0.505 \| good
2026-10-22T05:00:00.000Z	62 \| moderate	15.165 \| fine	62.908 \| fine	18.959 \| good	0.782 \| good	26.258 \| good	0.452 \| good
2026-10-22T06:00:00.000Z	60 \| moderate	13.636 \| fine	58.845 \| fine	14.777 \| good	0.687 \| good	23.151 \| good	0.394 \| good
2026-10-22T07:00:00.000Z	67 \| moderate	17.636 \| fine	75.198 \| fine	12.472 \| good	0.676 \| good	24.017 \| good	0.394 \| good
2026-10-22T08:00:00.000Z	69 \| moderate	18.814 \| fine	80.529 \| fine	16.352 \| good	0.686 \| good	18.396 \| good	0.36 \| good
2026-10-22T09:00:00.000Z	69 \| moderate	19.379 \| fine	72.019 \| fine	15.601 \| good	0.635 \| good	17.392 \| good	0.348 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	15.807 \| fine	60.096 \| fine	15.214 \| good	0.668 \| good	15.959 \| good	0.339 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	15.909 \| fine	67.693 \| fine	15.224 \| good	0.673 \| good	14.835 \| good	0.463 \| good
2026-10-22T12:00:00.000Z	62 \| moderate	14.955 \| fine	53.577 \| good	17.657 \| good	0.359 \| good	13.485 \| good	0.499 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	14.038 \| fine	61.364 \| fine	19.113 \| good	0.372 \| good	17.14 \| good	0.486 \| good
2026-10-22T14:00:00.000Z	60 \| moderate	13.679 \| fine	58.612 \| fine	17.576 \| good	0.819 \| good	20.625 \| good	0.546 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.326 \| fine	67.586 \| fine	21.357 \| good	0.892 \| good	16.813 \| good	0.511 \| good
2026-10-22T16:00:00.000Z	67 \| moderate	17.582 \| fine	74.927 \| fine	28.829 \| good	0.784 \| good	14.632 \| good	0.326 \| good
2026-10-22T17:00:00.000Z	67 \| moderate	17.799 \| fine	73.14 \| fine	28.288 \| good	0.839 \| good	12.9 \| good	0.323 \| good
2026-10-22T18:00:00.000Z	66 \| moderate	16.975 \| fine	64.362 \| fine	29.577 \| good	0.666 \| good	7.555 \| good	0.263 \| good
2026-10-22T19:00:00.000Z	67 \| moderate	17.584 \| fine	74.644 \| fine	35.949 \| good	1.416 \| good	9.117 \| good	0.241 \| good
2026-10-22T20:00:00.000Z	67 \| moderate	17.944 \| fine	78.322 \| fine	39.646 \| good	1.309 \| good	9.555 \| good	0.241 \| good
2026-10-22T21:00:00.000Z	67 \| moderate	18.469 \| fine	83.826 \| fine	42.678 \| good	1.26 \| good	7.832 \| good	0.291 \| good
2026-10-22T21:00:00.000Z	67 \| moderate	18.469 \| fine	83.826 \| fine	42.678 \| good	1.26 \| good	7.832 \| good	0.291 \| good
2026-10-22T22:00:00.000Z	73 \| moderate	20.551 \| fine	90.412 \| fine	47.565 \| good	0.731 \| good	17.583 \| good	0.299 \| good
2026-10-22T23:00:00.000Z	71 \| moderate	20.438 \| fine	89.863 \| fine	39.701 \| good	0.746 \| good	25.776 \| good	0.341 \| good
2026-10-23T00:00:00.000Z	58 \| moderate	13.219 \| fine	59.02 \| fine	27.37 \| good	0.831 \| good	31.183 \| good	0.368 \| good
2026-10-23T01:00:00.000Z	54 \| moderate	11.456 \| good	50.839 \| good	37.293 \| good	0.934 \| good	33.645 \| good	0.37 \| good
2026-10-23T02:00:00.000Z	49 \| good	9.356 \| good	41.323 \| good	35.888 \| good	1.047 \| good	35.54 \| good	0.367 \| good
2026-10-23T03:00:00.000Z	44 \| good	8.28 \| good	36.403 \| good	30.273 \| good	1.166 \| good	36.386 \| good	0.363 \| good
2026-10-23T04:00:00.000Z	44 \| good	7.827 \| good	34.313 \| good	24.616 \| good	1.271 \| good	37.016 \| good	0.366 \| good
2026-10-23T05:00:00.000Z	35 \| good	6.038 \| good	26.73 \| good	23.116 \| good	1.322 \| good	36.87 \| good	0.367 \| good
2026-10-23T06:00:00.000Z	35 \| good	6.406 \| good	28.24 \| good	21.809 \| good	1.354 \| good	36.576 \| good	0.362 \| good
2026-10-23T07:00:00.000Z	38 \| good	6.545 \| good	28.734 \| good	21.654 \| good	1.431 \| good	36.596 \| good	0.357 \| good
2026-10-23T08:00:00.000Z	44 \| good	8.275 \| good	36.179 \| good	19.134 \| good	1.538 \| good	36.875 \| good	0.355 \| good
2026-10-23T09:00:00.000Z	52 \| moderate	9.507 \| good	42.538 \| good	20.537 \| good	1.691 \| good	37.359 \| good	0.354 \| good
2026-10-23T10:00:00.000Z	54 \| moderate	10.93 \| good	48.472 \| good	22.698 \| good	1.936 \| good	37.742 \| good	0.353 \| good
2026-10-23T11:00:00.000Z	58 \| moderate	12.838 \| fine	57.508 \| fine	16.897 \| good	2.165 \| good	38.285 \| good	0.356 \| good
2026-10-23T12:00:00.000Z	62 \| moderate	15.274 \| fine	68.302 \| fine	11.379 \| good	2.467 \| good	38.382 \| good	0.365 \| good
2026-10-23T13:00:00.000Z	69 \| moderate	18.527 \| fine	81.696 \| fine	9.044 \| good	2.713 \| good	34.243 \| good	0.386 \| good
2026-10-23T14:00:00.000Z	73 \| moderate	21.239 \| fine	93.238 \| fine	15.442 \| good	2.887 \| good	29.143 \| good	0.386 \| good
2026-10-23T15:00:00.000Z	77 \| moderate	23.211 \| fine	101.698 \| fine	24.038 \| good	2.927 \| good	26.378 \| good	0.38 \| good
2026-10-23T16:00:00.000Z	79 \| moderate	23.887 \| fine	104.498 \| fine	28.571 \| good	2.923 \| good	23.73 \| good	0.35 \| good
2026-10-23T17:00:00.000Z	75 \| moderate	21.573 \| fine	94.467 \| fine	31.668 \| good	2.663 \| good	21.154 \| good	0.322 \| good
2026-10-23T18:00:00.000Z	71 \| moderate	19.685 \| fine	86.751 \| fine	34.83 \| good	2.499 \| good	18.575 \| good	0.3 \| good
2026-10-23T19:00:00.000Z	69 \| moderate	18.606 \| fine	82.12 \| fine	38.141 \| good	2.251 \| good	16.852 \| good	0.288 \| good
2026-10-23T20:00:00.000Z	69 \| moderate	18.629 \| fine	82.489 \| fine	38.242 \| good	2.044 \| good	15.723 \| good	0.276 \| good
2026-10-23T21:00:00.000Z	67 \| moderate	18.069 \| fine	79.706 \| fine	42.552 \| good	1.964 \| good	15.185 \| good	0.264 \| good
2026-10-23T22:00:00.000Z	64 \| moderate	16.265 \| fine	71.82 \| fine	48.902 \| good	1.901 \| good	17.396 \| good	0.265 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	14.355 \| fine	64.457 \| fine	44.918 \| good	1.945 \| good	20.276 \| good	0.271 \| good
2026-10-24T00:00:00.000Z	52 \| moderate	10.013 \| good	44.58 \| good	36.87 \| good	1.946 \| good	21.041 \| good	0.27 \| good
2026-10-24T01:00:00.000Z	49 \| good	9.292 \| good	41.029 \| good	31.875 \| good	1.874 \| good	20.738 \| good	0.258 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	10.87 \| good	48.205 \| good	25.863 \| good	1.746 \| good	20.401 \| good	0.248 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	12.766 \| fine	56.919 \| fine	18.916 \| good	1.597 \| good	20.011 \| good	0.24 \| good
2026-10-24T04:00:00.000Z	60 \| moderate	13.693 \| fine	61.418 \| fine	21.667 \| good	1.47 \| good	19.072 \| good	0.236 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.507 \| fine	60.876 \| fine	21.482 \| good	1.393 \| good	16.875 \| good	0.233 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	12.778 \| fine	57.313 \| fine	19.41 \| good	1.366 \| good	15.275 \| good	0.232 \| good
2026-10-24T07:00:00.000Z	58 \| moderate	12.591 \| fine	56.73 \| fine	12.541 \| good	1.422 \| good	13.411 \| good	0.231 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	12.8 \| fine	57.666 \| fine	11.341 \| good	1.451 \| good	11.862 \| good	0.229 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.029 \| good	53.425 \| good	11.256 \| good	1.437 \| good	10.633 \| good	0.227 \| good
2026-10-24T10:00:00.000Z	54 \| moderate	10.83 \| good	48.129 \| good	13.355 \| good	1.419 \| good	9.911 \| good	0.227 \| good
2026-10-24T11:00:00.000Z	54 \| moderate	11.322 \| good	50.045 \| good	14.555 \| good	1.426 \| good	9.947 \| good	0.227 \| good
2026-10-24T12:00:00.000Z	54 \| moderate	11.143 \| good	49.156 \| good	13.227 \| good	1.478 \| good	11.497 \| good	0.232 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	10.633 \| good	47.084 \| good	16.357 \| good	1.54 \| good	13.278 \| good	0.239 \| good
2026-10-24T14:00:00.000Z	56 \| moderate	11.593 \| good	51.9 \| good	25.609 \| good	1.602 \| good	13.494 \| good	0.247 \| good
2026-10-24T15:00:00.000Z	58 \| moderate	13.134 \| fine	58.838 \| fine	32.272 \| good	1.655 \| good	13.362 \| good	0.25 \| good
2026-10-24T16:00:00.000Z	62 \| moderate	15.059 \| fine	67.378 \| fine	34.366 \| good	1.648 \| good	13.347 \| good	0.251 \| good
2026-10-24T17:00:00.000Z	64 \| moderate	15.979 \| fine	71.137 \| fine	37.502 \| good	1.575 \| good	13.35 \| good	0.252 \| good
2026-10-24T18:00:00.000Z	64 \| moderate	16.09 \| fine	71.516 \| fine	40.231 \| good	1.563 \| good	12.705 \| good	0.249 \| good
2026-10-24T19:00:00.000Z	66 \| moderate	16.688 \| fine	74.503 \| fine	45.908 \| good	1.521 \| good	12.028 \| good	0.243 \| good
2026-10-24T20:00:00.000Z	67 \| moderate	17.873 \| fine	79.063 \| fine	46.217 \| good	1.611 \| good	12.212 \| good	0.239 \| good
2026-10-24T21:00:00.000Z	66 \| moderate	17.411 \| fine	77.106 \| fine	47.575 \| good	1.631 \| good	13.145 \| good	0.238 \| good

Real-time air quality index in Zion, Illinois today

Common air pollutants in Zion, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Zion, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

Zion, Illinois air quality map: Real-time AQI near you

Air quality in nearby cities

Beach Park, Illinois

Waukegan, Illinois

Gurnee, Illinois

North Chicago, Illinois

Pleasant Prairie, Wisconsin

Kenosha, Wisconsin

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Zion, Illinois updated?

When did Zion, Illinois experience the worst air quality in the last 24 hours?

When did Zion, Illinois have its best air quality in the last 24 hours?

What is the real-time air quality index for Zion, Illinois?

Which pollutant is found most often in Zion, Illinois?

What can I do if the air quality in Zion, Illinois is poor?

What are the current PM2.5 levels in Zion, Illinois?

What are the current PM10 levels at Zion, Illinois?

What are the current carbon monoxide (CO) levels at Zion, Illinois?

What are the current sulfur dioxide (SO2) levels at Zion, Illinois?

What are the current ozone (O3) levels at Zion, Illinois?

What are the current nitrogen dioxide (NO2) levels at Zion, Illinois?

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 Zion, Illinois?

What are the current PM₁₀ levels at Zion, Illinois?

What are the current sulfur dioxide (SO₂) levels at Zion, Illinois?

What are the current ozone (O₃) levels at Zion, Illinois?

What are the current nitrogen dioxide (NO₂) levels at Zion, Illinois?