What are the current PM10 levels at Cahokia Heights, Illinois?

The current PM10 levels in Cahokia Heights, Illinois are 56.451 μg/m3.

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

The current sulfur dioxide (SO2) levels in Cahokia Heights, Illinois are 0.716 ppb.

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

The current ozone (O3) levels at Cahokia Heights, Illinois is 10.642 ppm.

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

The current nitrogen dioxide (NO2) levels at Cahokia Heights, Illinois is 35.046 ppb.

Real-time air quality index in Cahokia Heights, Illinois today

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

The measured PM2.5 levels in Cahokia Heights, Illinois at present are 11.574 μg/m3.

Stay updated with real-time air quality in Cahokia Heights, 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

Cahokia Heights, Illinois

Last updated: ... (Local time)

Common air pollutants in Cahokia Heights, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.57 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

56.45 μg/m³

155

255

425

605+

Ozone (O₃)

10.64 ppb

201

201+

Sulfur Dioxide (SO₂)

0.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

35.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.55 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Cahokia Heights, Illinois

Get Live Pollen Counts

Cahokia Heights, Illinois

Scroll To Air Quality Map

Track live Cahokia Heights, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	58 \| moderate	13.372 \| fine	55.198 \| fine	28.526 \| good	0.829 \| good	8.308 \| good	0.239 \| good
2026-01-21T07:00:00.000Z	58 \| moderate	13.372 \| fine	55.198 \| fine	28.879 \| good	0.832 \| good	8.36 \| good	0.238 \| good
2026-01-21T08:00:00.000Z	60 \| moderate	13.972 \| fine	57.926 \| fine	27.605 \| good	0.856 \| good	8.399 \| good	0.235 \| good
2026-01-21T09:00:00.000Z	56 \| moderate	11.872 \| good	47.3 \| good	24.788 \| good	1.027 \| good	9.05 \| good	0.201 \| good
2026-01-21T10:00:00.000Z	49 \| good	9.454 \| good	38.313 \| good	26.428 \| good	1.382 \| good	8.65 \| good	0.201 \| good
2026-01-21T11:00:00.000Z	49 \| good	8.557 \| good	34.854 \| good	25.515 \| good	1.266 \| good	9.326 \| good	0.201 \| good
2026-01-21T12:00:00.000Z	44 \| good	7.705 \| good	32.035 \| good	24.533 \| good	1.517 \| good	9.358 \| good	0.199 \| good
2026-01-21T13:00:00.000Z	38 \| good	7.147 \| good	31.172 \| good	23.129 \| good	1.352 \| good	14.039 \| good	0.234 \| good
2026-01-21T14:00:00.000Z	49 \| good	9.128 \| good	37.678 \| good	23.756 \| good	1.413 \| good	15.232 \| good	0.357 \| good
2026-01-21T15:00:00.000Z	52 \| moderate	10.216 \| good	42.072 \| good	23.933 \| good	1.556 \| good	12.812 \| good	0.331 \| good
2026-01-21T16:00:00.000Z	54 \| moderate	11.114 \| good	47.417 \| good	28.126 \| good	2.022 \| good	7.453 \| good	0.233 \| good
2026-01-21T17:00:00.000Z	56 \| moderate	11.995 \| good	50.18 \| good	26.895 \| good	0.923 \| good	6.704 \| good	0.234 \| good
2026-01-21T18:00:00.000Z	56 \| moderate	11.807 \| good	48.261 \| good	29.925 \| good	1.076 \| good	5.447 \| good	0.233 \| good
2026-01-21T19:00:00.000Z	54 \| moderate	11.21 \| good	46.509 \| good	31.585 \| good	3.908 \| good	4.316 \| good	0.233 \| good
2026-01-21T20:00:00.000Z	52 \| moderate	9.609 \| good	43.675 \| good	31.345 \| good	0.511 \| good	4.154 \| good	0.233 \| good
2026-01-21T21:00:00.000Z	38 \| good	7.342 \| good	35.879 \| good	30.836 \| good	0.334 \| good	3.858 \| good	0.198 \| good
2026-01-21T22:00:00.000Z	33 \| good	5.616 \| good	27.618 \| good	32.075 \| good	0.354 \| good	4.726 \| good	0.199 \| good
2026-01-21T23:00:00.000Z	30 \| good	4.903 \| good	22.831 \| good	31.811 \| good	0.41 \| good	5.214 \| good	0.234 \| good
2026-01-22T00:00:00.000Z	31 \| good	3.968 \| good	18.848 \| good	32.85 \| good	1.598 \| good	7.591 \| good	0.234 \| good
2026-01-22T01:00:00.000Z	27 \| good	4.76 \| good	19.534 \| good	28.298 \| good	2.71 \| good	12.999 \| good	0.33 \| good
2026-01-22T02:00:00.000Z	28 \| good	4.916 \| good	20.668 \| good	29.534 \| good	0.941 \| good	14.398 \| good	0.268 \| good
2026-01-22T03:00:00.000Z	44 \| good	7.51 \| good	33.086 \| good	28.594 \| good	0.683 \| good	13.377 \| good	0.234 \| good
2026-01-22T04:00:00.000Z	33 \| good	6.412 \| good	29.448 \| good	28.204 \| good	1.088 \| good	7.44 \| good	0.199 \| good
2026-01-22T05:00:00.000Z	27 \| good	4.855 \| good	28.15 \| good	26.601 \| good	0.2 \| good	3.966 \| good	0.104 \| good
2026-01-22T06:00:00.000Z	25 \| good	3.878 \| good	24.636 \| good	26.839 \| good	0.185 \| good	3.422 \| good	0.102 \| good
2026-01-22T07:00:00.000Z	25 \| good	3.878 \| good	24.636 \| good	27.273 \| good	0.187 \| good	3.408 \| good	0.104 \| good
2026-01-22T08:00:00.000Z	25 \| good	3.796 \| good	24.363 \| good	26.803 \| good	0.189 \| good	3.405 \| good	0.104 \| good
2026-01-22T09:00:00.000Z	24 \| good	2.534 \| good	13.823 \| good	25.502 \| good	0.207 \| good	3.44 \| good	0.101 \| good
2026-01-22T10:00:00.000Z	23 \| good	1.537 \| good	9.299 \| good	25.421 \| good	0.187 \| good	5.92 \| good	0.101 \| good
2026-01-22T11:00:00.000Z	22 \| good	2.25 \| good	11.832 \| good	24.492 \| good	0.292 \| good	8.446 \| good	0.1 \| good
2026-01-22T12:00:00.000Z	19 \| good	2.551 \| good	13.25 \| good	19.929 \| good	0.417 \| good	14.982 \| good	0.232 \| good
2026-01-22T13:00:00.000Z	18 \| good	2.976 \| good	15.825 \| good	18.565 \| good	0.382 \| good	16.73 \| good	0.26 \| good
2026-01-22T14:00:00.000Z	20 \| good	3.378 \| good	15.054 \| good	17.527 \| good	0.473 \| good	21.316 \| good	0.466 \| good
2026-01-22T15:00:00.000Z	33 \| good	5.525 \| good	24.239 \| good	19.289 \| good	0.61 \| good	21.215 \| good	0.402 \| good
2026-01-22T16:00:00.000Z	33 \| good	6.416 \| good	26.55 \| good	22.302 \| good	0.609 \| good	16.989 \| good	0.33 \| good
2026-01-22T17:00:00.000Z	27 \| good	4.973 \| good	26.128 \| good	23.683 \| good	0.355 \| good	17.043 \| good	0.295 \| good
2026-01-22T18:00:00.000Z	25 \| good	4.155 \| good	23.339 \| good	26.764 \| good	0.403 \| good	11.574 \| good	0.198 \| good
2026-01-22T19:00:00.000Z	28 \| good	5.119 \| good	24.335 \| good	29.593 \| good	0.267 \| good	8.528 \| good	0.198 \| good
2026-01-22T20:00:00.000Z	29 \| good	3.13 \| good	19.1 \| good	31.209 \| good	0.255 \| good	5.622 \| good	0.198 \| good
2026-01-22T21:00:00.000Z	30 \| good	2.822 \| good	16.187 \| good	32.232 \| good	0.197 \| good	5.726 \| good	0.198 \| good
2026-01-22T22:00:00.000Z	30 \| good	2.558 \| good	13.767 \| good	32.392 \| good	0.218 \| good	6.461 \| good	0.198 \| good
2026-01-22T23:00:00.000Z	30 \| good	2.986 \| good	14.55 \| good	31.904 \| good	0.313 \| good	7.727 \| good	0.199 \| good
2026-01-23T00:00:00.000Z	26 \| good	4.236 \| good	21.991 \| good	28.02 \| good	0.329 \| good	13.404 \| good	0.261 \| good
2026-01-23T01:00:00.000Z	27 \| good	5.191 \| good	27.117 \| good	26.779 \| good	0.557 \| good	20.588 \| good	0.298 \| good
2026-01-23T02:00:00.000Z	38 \| good	6.619 \| good	34.118 \| good	20.045 \| good	0.634 \| good	23.394 \| good	0.362 \| good
2026-01-23T03:00:00.000Z	49 \| good	9.144 \| good	43.435 \| good	12.837 \| good	0.669 \| good	27.762 \| good	0.361 \| good
2026-01-23T04:00:00.000Z	56 \| moderate	11.574 \| good	56.451 \| fine	10.642 \| good	0.716 \| good	35.046 \| good	0.554 \| good
2026-01-23T05:00:00.000Z	56 \| moderate	11.574 \| good	56.451 \| fine	10.642 \| good	0.716 \| good	35.046 \| good	0.554 \| good
2026-01-23T06:00:00.000Z	44 \| good	7.541 \| good	33.106 \| good	20.831 \| good	1.29 \| good	13.937 \| good	0.267 \| good
2026-01-23T07:00:00.000Z	33 \| good	5.636 \| good	24.038 \| good	23.132 \| good	1.033 \| good	9.835 \| good	0.228 \| good
2026-01-23T08:00:00.000Z	33 \| good	5.89 \| good	26.219 \| good	24.605 \| good	0.775 \| good	5.732 \| good	0.188 \| good
2026-01-23T09:00:00.000Z	27 \| good	5.268 \| good	22.803 \| good	25.274 \| good	0.518 \| good	1.63 \| good	0.149 \| good
2026-01-23T10:00:00.000Z	33 \| good	6.036 \| good	26.646 \| good	25.249 \| good	0.499 \| good	1.557 \| good	0.146 \| good
2026-01-23T11:00:00.000Z	27 \| good	4.624 \| good	20.136 \| good	24.766 \| good	0.48 \| good	1.484 \| good	0.142 \| good
2026-01-23T12:00:00.000Z	22 \| good	3.613 \| good	15.969 \| good	23.55 \| good	0.461 \| good	1.411 \| good	0.139 \| good
2026-01-23T13:00:00.000Z	27 \| good	4.547 \| good	20 \| good	22.597 \| good	0.483 \| good	1.58 \| good	0.142 \| good
2026-01-23T14:00:00.000Z	27 \| good	4.514 \| good	19.899 \| good	22.612 \| good	0.505 \| good	1.748 \| good	0.145 \| good
2026-01-23T15:00:00.000Z	20 \| good	3.456 \| good	15.438 \| good	22.259 \| good	0.527 \| good	1.917 \| good	0.148 \| good
2026-01-23T16:00:00.000Z	19 \| good	2.764 \| good	11.125 \| good	19.717 \| good	0.575 \| good	1.826 \| good	0.148 \| good
2026-01-23T17:00:00.000Z	19 \| good	2.263 \| good	9.152 \| good	19.658 \| good	0.623 \| good	1.736 \| good	0.148 \| good
2026-01-23T18:00:00.000Z	20 \| good	3.319 \| good	14.569 \| good	21.69 \| good	0.672 \| good	1.645 \| good	0.147 \| good
2026-01-23T19:00:00.000Z	27 \| good	5.051 \| good	21.991 \| good	22.781 \| good	0.723 \| good	1.853 \| good	0.148 \| good
2026-01-23T20:00:00.000Z	33 \| good	5.502 \| good	23.955 \| good	23.849 \| good	0.774 \| good	2.061 \| good	0.149 \| good
2026-01-23T21:00:00.000Z	33 \| good	5.559 \| good	24.254 \| good	24.943 \| good	0.826 \| good	2.27 \| good	0.15 \| good
2026-01-23T22:00:00.000Z	22 \| good	3.27 \| good	13.475 \| good	23.948 \| good	0.857 \| good	2.988 \| good	0.152 \| good
2026-01-23T23:00:00.000Z	21 \| good	2.824 \| good	11.975 \| good	22.615 \| good	0.888 \| good	3.706 \| good	0.155 \| good
2026-01-24T00:00:00.000Z	19 \| good	2.072 \| good	8.337 \| good	21.254 \| good	0.919 \| good	4.425 \| good	0.157 \| good
2026-01-24T01:00:00.000Z	19 \| good	2.402 \| good	9.927 \| good	20.868 \| good	0.906 \| good	4.293 \| good	0.156 \| good
2026-01-24T02:00:00.000Z	22 \| good	3.55 \| good	15.736 \| good	19.229 \| good	0.893 \| good	4.16 \| good	0.156 \| good
2026-01-24T03:00:00.000Z	33 \| good	6.461 \| good	28.853 \| good	18.017 \| good	0.88 \| good	4.028 \| good	0.155 \| good
2026-01-24T04:00:00.000Z	33 \| good	5.577 \| good	23.843 \| good	18.355 \| good	0.815 \| good	3.678 \| good	0.154 \| good
2026-01-24T05:00:00.000Z	27 \| good	4.975 \| good	21.332 \| good	17.925 \| good	0.75 \| good	3.328 \| good	0.153 \| good
2026-01-24T06:00:00.000Z	22 \| good	4.345 \| good	18.957 \| good	18.303 \| good	0.685 \| good	2.978 \| good	0.152 \| good
2026-01-24T07:00:00.000Z	27 \| good	4.518 \| good	19.851 \| good	19.437 \| good	0.64 \| good	2.749 \| good	0.151 \| good
2026-01-24T08:00:00.000Z	22 \| good	4.417 \| good	19 \| good	21.359 \| good	0.595 \| good	2.519 \| good	0.151 \| good
2026-01-24T09:00:00.000Z	19 \| good	2.818 \| good	11.443 \| good	21.257 \| good	0.549 \| good	2.29 \| good	0.15 \| good
2026-01-24T10:00:00.000Z	21 \| good	2.891 \| good	11.889 \| good	22.779 \| good	0.592 \| good	2.39 \| good	0.151 \| good
2026-01-24T11:00:00.000Z	20 \| good	3.451 \| good	15.288 \| good	22.395 \| good	0.636 \| good	2.489 \| good	0.152 \| good
2026-01-24T12:00:00.000Z	33 \| good	5.726 \| good	24.742 \| good	20.811 \| good	0.679 \| good	2.589 \| good	0.153 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.931 \| good	34.845 \| good	19.339 \| good	0.792 \| good	3.152 \| good	0.16 \| good
2026-01-24T14:00:00.000Z	49 \| good	8.649 \| good	37.942 \| good	19.355 \| good	0.904 \| good	3.716 \| good	0.166 \| good
2026-01-24T15:00:00.000Z	44 \| good	7.734 \| good	33.984 \| good	20.309 \| good	1.017 \| good	4.28 \| good	0.173 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.916 \| good	25.652 \| good	21.827 \| good	1.121 \| good	4.044 \| good	0.174 \| good
2026-01-24T17:00:00.000Z	22 \| good	3.655 \| good	16.074 \| good	21.036 \| good	1.225 \| good	3.807 \| good	0.176 \| good
2026-01-24T18:00:00.000Z	27 \| good	5.204 \| good	22.664 \| good	21.614 \| good	1.329 \| good	3.571 \| good	0.178 \| good
2026-01-24T19:00:00.000Z	27 \| good	5.438 \| good	23.28 \| good	21.872 \| good	1.344 \| good	4.033 \| good	0.179 \| good
2026-01-24T20:00:00.000Z	33 \| good	5.844 \| good	25.354 \| good	23.707 \| good	1.359 \| good	4.494 \| good	0.181 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.521 \| good	23.587 \| good	27.206 \| good	1.374 \| good	4.956 \| good	0.182 \| good
2026-01-24T22:00:00.000Z	24 \| good	3.823 \| good	16.522 \| good	26.224 \| good	1.224 \| good	5.761 \| good	0.185 \| good
2026-01-24T23:00:00.000Z	22 \| good	3.293 \| good	14.136 \| good	23.639 \| good	1.073 \| good	6.565 \| good	0.188 \| good
2026-01-25T00:00:00.000Z	38 \| good	7.347 \| good	7.659 \| good	24.633 \| good	0.931 \| good	7.448 \| good	0.191 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.756 \| good	20.845 \| good	21.841 \| good	0.863 \| good	7.061 \| good	0.189 \| good
2026-01-25T02:00:00.000Z	44 \| good	8.153 \| good	35.542 \| good	18.263 \| good	0.803 \| good	6.751 \| good	0.186 \| good
2026-01-25T03:00:00.000Z	54 \| moderate	11.431 \| good	50.544 \| good	17.763 \| good	0.744 \| good	6.441 \| good	0.184 \| good
2026-01-25T04:00:00.000Z	52 \| moderate	9.842 \| good	43.795 \| good	16.663 \| good	0.704 \| good	6.047 \| good	0.183 \| good
2026-01-25T05:00:00.000Z	49 \| good	8.745 \| good	38.106 \| good	16.648 \| good	0.664 \| good	5.653 \| good	0.181 \| good

Cahokia Heights

Empower business decisions with accurate air quality data

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

0.52ppm

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 Cahokia Heights, Illinois updated?

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

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

The worst air quality in Cahokia Heights, Illinois was recorded at 04:00:00 on 2026-01-23.

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

The best air quality in Cahokia Heights, Illinois was recorded at 01:00:00 on 2026-01-22.

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

The real-time air quality index in Cahokia Heights, Illinois is 56, currently categorized as Moderate.

Which pollutant is found most often in Cahokia Heights, Illinois?

The most common pollutant in Cahokia Heights, Illinois is PM2.5.

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

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

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

The measured PM_2.5 levels in Cahokia Heights, Illinois at present are 11.574 μg/m³.

What are the current PM₁₀ levels at Cahokia Heights, Illinois?

The current PM₁₀ levels in Cahokia Heights, Illinois are 56.451 μg/m³.

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

The current carbon monoxide (CO) level in Cahokia Heights, Illinois is 0.554 ppm.

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

The current sulfur dioxide (SO₂) levels in Cahokia Heights, Illinois are 0.716 ppb.

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

The current ozone (O₃) levels at Cahokia Heights, Illinois is 10.642 ppm.

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

The current nitrogen dioxide (NO₂) levels at Cahokia Heights, Illinois is 35.046 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	58 \| moderate	13.372 \| fine	55.198 \| fine	28.526 \| good	0.829 \| good	8.308 \| good	0.239 \| good
2026-01-21T07:00:00.000Z	58 \| moderate	13.372 \| fine	55.198 \| fine	28.879 \| good	0.832 \| good	8.36 \| good	0.238 \| good
2026-01-21T08:00:00.000Z	60 \| moderate	13.972 \| fine	57.926 \| fine	27.605 \| good	0.856 \| good	8.399 \| good	0.235 \| good
2026-01-21T09:00:00.000Z	56 \| moderate	11.872 \| good	47.3 \| good	24.788 \| good	1.027 \| good	9.05 \| good	0.201 \| good
2026-01-21T10:00:00.000Z	49 \| good	9.454 \| good	38.313 \| good	26.428 \| good	1.382 \| good	8.65 \| good	0.201 \| good
2026-01-21T11:00:00.000Z	49 \| good	8.557 \| good	34.854 \| good	25.515 \| good	1.266 \| good	9.326 \| good	0.201 \| good
2026-01-21T12:00:00.000Z	44 \| good	7.705 \| good	32.035 \| good	24.533 \| good	1.517 \| good	9.358 \| good	0.199 \| good
2026-01-21T13:00:00.000Z	38 \| good	7.147 \| good	31.172 \| good	23.129 \| good	1.352 \| good	14.039 \| good	0.234 \| good
2026-01-21T14:00:00.000Z	49 \| good	9.128 \| good	37.678 \| good	23.756 \| good	1.413 \| good	15.232 \| good	0.357 \| good
2026-01-21T15:00:00.000Z	52 \| moderate	10.216 \| good	42.072 \| good	23.933 \| good	1.556 \| good	12.812 \| good	0.331 \| good
2026-01-21T16:00:00.000Z	54 \| moderate	11.114 \| good	47.417 \| good	28.126 \| good	2.022 \| good	7.453 \| good	0.233 \| good
2026-01-21T17:00:00.000Z	56 \| moderate	11.995 \| good	50.18 \| good	26.895 \| good	0.923 \| good	6.704 \| good	0.234 \| good
2026-01-21T18:00:00.000Z	56 \| moderate	11.807 \| good	48.261 \| good	29.925 \| good	1.076 \| good	5.447 \| good	0.233 \| good
2026-01-21T19:00:00.000Z	54 \| moderate	11.21 \| good	46.509 \| good	31.585 \| good	3.908 \| good	4.316 \| good	0.233 \| good
2026-01-21T20:00:00.000Z	52 \| moderate	9.609 \| good	43.675 \| good	31.345 \| good	0.511 \| good	4.154 \| good	0.233 \| good
2026-01-21T21:00:00.000Z	38 \| good	7.342 \| good	35.879 \| good	30.836 \| good	0.334 \| good	3.858 \| good	0.198 \| good
2026-01-21T22:00:00.000Z	33 \| good	5.616 \| good	27.618 \| good	32.075 \| good	0.354 \| good	4.726 \| good	0.199 \| good
2026-01-21T23:00:00.000Z	30 \| good	4.903 \| good	22.831 \| good	31.811 \| good	0.41 \| good	5.214 \| good	0.234 \| good
2026-01-22T00:00:00.000Z	31 \| good	3.968 \| good	18.848 \| good	32.85 \| good	1.598 \| good	7.591 \| good	0.234 \| good
2026-01-22T01:00:00.000Z	27 \| good	4.76 \| good	19.534 \| good	28.298 \| good	2.71 \| good	12.999 \| good	0.33 \| good
2026-01-22T02:00:00.000Z	28 \| good	4.916 \| good	20.668 \| good	29.534 \| good	0.941 \| good	14.398 \| good	0.268 \| good
2026-01-22T03:00:00.000Z	44 \| good	7.51 \| good	33.086 \| good	28.594 \| good	0.683 \| good	13.377 \| good	0.234 \| good
2026-01-22T04:00:00.000Z	33 \| good	6.412 \| good	29.448 \| good	28.204 \| good	1.088 \| good	7.44 \| good	0.199 \| good
2026-01-22T05:00:00.000Z	27 \| good	4.855 \| good	28.15 \| good	26.601 \| good	0.2 \| good	3.966 \| good	0.104 \| good
2026-01-22T06:00:00.000Z	25 \| good	3.878 \| good	24.636 \| good	26.839 \| good	0.185 \| good	3.422 \| good	0.102 \| good
2026-01-22T07:00:00.000Z	25 \| good	3.878 \| good	24.636 \| good	27.273 \| good	0.187 \| good	3.408 \| good	0.104 \| good
2026-01-22T08:00:00.000Z	25 \| good	3.796 \| good	24.363 \| good	26.803 \| good	0.189 \| good	3.405 \| good	0.104 \| good
2026-01-22T09:00:00.000Z	24 \| good	2.534 \| good	13.823 \| good	25.502 \| good	0.207 \| good	3.44 \| good	0.101 \| good
2026-01-22T10:00:00.000Z	23 \| good	1.537 \| good	9.299 \| good	25.421 \| good	0.187 \| good	5.92 \| good	0.101 \| good
2026-01-22T11:00:00.000Z	22 \| good	2.25 \| good	11.832 \| good	24.492 \| good	0.292 \| good	8.446 \| good	0.1 \| good
2026-01-22T12:00:00.000Z	19 \| good	2.551 \| good	13.25 \| good	19.929 \| good	0.417 \| good	14.982 \| good	0.232 \| good
2026-01-22T13:00:00.000Z	18 \| good	2.976 \| good	15.825 \| good	18.565 \| good	0.382 \| good	16.73 \| good	0.26 \| good
2026-01-22T14:00:00.000Z	20 \| good	3.378 \| good	15.054 \| good	17.527 \| good	0.473 \| good	21.316 \| good	0.466 \| good
2026-01-22T15:00:00.000Z	33 \| good	5.525 \| good	24.239 \| good	19.289 \| good	0.61 \| good	21.215 \| good	0.402 \| good
2026-01-22T16:00:00.000Z	33 \| good	6.416 \| good	26.55 \| good	22.302 \| good	0.609 \| good	16.989 \| good	0.33 \| good
2026-01-22T17:00:00.000Z	27 \| good	4.973 \| good	26.128 \| good	23.683 \| good	0.355 \| good	17.043 \| good	0.295 \| good
2026-01-22T18:00:00.000Z	25 \| good	4.155 \| good	23.339 \| good	26.764 \| good	0.403 \| good	11.574 \| good	0.198 \| good
2026-01-22T19:00:00.000Z	28 \| good	5.119 \| good	24.335 \| good	29.593 \| good	0.267 \| good	8.528 \| good	0.198 \| good
2026-01-22T20:00:00.000Z	29 \| good	3.13 \| good	19.1 \| good	31.209 \| good	0.255 \| good	5.622 \| good	0.198 \| good
2026-01-22T21:00:00.000Z	30 \| good	2.822 \| good	16.187 \| good	32.232 \| good	0.197 \| good	5.726 \| good	0.198 \| good
2026-01-22T22:00:00.000Z	30 \| good	2.558 \| good	13.767 \| good	32.392 \| good	0.218 \| good	6.461 \| good	0.198 \| good
2026-01-22T23:00:00.000Z	30 \| good	2.986 \| good	14.55 \| good	31.904 \| good	0.313 \| good	7.727 \| good	0.199 \| good
2026-01-23T00:00:00.000Z	26 \| good	4.236 \| good	21.991 \| good	28.02 \| good	0.329 \| good	13.404 \| good	0.261 \| good
2026-01-23T01:00:00.000Z	27 \| good	5.191 \| good	27.117 \| good	26.779 \| good	0.557 \| good	20.588 \| good	0.298 \| good
2026-01-23T02:00:00.000Z	38 \| good	6.619 \| good	34.118 \| good	20.045 \| good	0.634 \| good	23.394 \| good	0.362 \| good
2026-01-23T03:00:00.000Z	49 \| good	9.144 \| good	43.435 \| good	12.837 \| good	0.669 \| good	27.762 \| good	0.361 \| good
2026-01-23T04:00:00.000Z	56 \| moderate	11.574 \| good	56.451 \| fine	10.642 \| good	0.716 \| good	35.046 \| good	0.554 \| good
2026-01-23T05:00:00.000Z	56 \| moderate	11.574 \| good	56.451 \| fine	10.642 \| good	0.716 \| good	35.046 \| good	0.554 \| good
2026-01-23T06:00:00.000Z	44 \| good	7.541 \| good	33.106 \| good	20.831 \| good	1.29 \| good	13.937 \| good	0.267 \| good
2026-01-23T07:00:00.000Z	33 \| good	5.636 \| good	24.038 \| good	23.132 \| good	1.033 \| good	9.835 \| good	0.228 \| good
2026-01-23T08:00:00.000Z	33 \| good	5.89 \| good	26.219 \| good	24.605 \| good	0.775 \| good	5.732 \| good	0.188 \| good
2026-01-23T09:00:00.000Z	27 \| good	5.268 \| good	22.803 \| good	25.274 \| good	0.518 \| good	1.63 \| good	0.149 \| good
2026-01-23T10:00:00.000Z	33 \| good	6.036 \| good	26.646 \| good	25.249 \| good	0.499 \| good	1.557 \| good	0.146 \| good
2026-01-23T11:00:00.000Z	27 \| good	4.624 \| good	20.136 \| good	24.766 \| good	0.48 \| good	1.484 \| good	0.142 \| good
2026-01-23T12:00:00.000Z	22 \| good	3.613 \| good	15.969 \| good	23.55 \| good	0.461 \| good	1.411 \| good	0.139 \| good
2026-01-23T13:00:00.000Z	27 \| good	4.547 \| good	20 \| good	22.597 \| good	0.483 \| good	1.58 \| good	0.142 \| good
2026-01-23T14:00:00.000Z	27 \| good	4.514 \| good	19.899 \| good	22.612 \| good	0.505 \| good	1.748 \| good	0.145 \| good
2026-01-23T15:00:00.000Z	20 \| good	3.456 \| good	15.438 \| good	22.259 \| good	0.527 \| good	1.917 \| good	0.148 \| good
2026-01-23T16:00:00.000Z	19 \| good	2.764 \| good	11.125 \| good	19.717 \| good	0.575 \| good	1.826 \| good	0.148 \| good
2026-01-23T17:00:00.000Z	19 \| good	2.263 \| good	9.152 \| good	19.658 \| good	0.623 \| good	1.736 \| good	0.148 \| good
2026-01-23T18:00:00.000Z	20 \| good	3.319 \| good	14.569 \| good	21.69 \| good	0.672 \| good	1.645 \| good	0.147 \| good
2026-01-23T19:00:00.000Z	27 \| good	5.051 \| good	21.991 \| good	22.781 \| good	0.723 \| good	1.853 \| good	0.148 \| good
2026-01-23T20:00:00.000Z	33 \| good	5.502 \| good	23.955 \| good	23.849 \| good	0.774 \| good	2.061 \| good	0.149 \| good
2026-01-23T21:00:00.000Z	33 \| good	5.559 \| good	24.254 \| good	24.943 \| good	0.826 \| good	2.27 \| good	0.15 \| good
2026-01-23T22:00:00.000Z	22 \| good	3.27 \| good	13.475 \| good	23.948 \| good	0.857 \| good	2.988 \| good	0.152 \| good
2026-01-23T23:00:00.000Z	21 \| good	2.824 \| good	11.975 \| good	22.615 \| good	0.888 \| good	3.706 \| good	0.155 \| good
2026-01-24T00:00:00.000Z	19 \| good	2.072 \| good	8.337 \| good	21.254 \| good	0.919 \| good	4.425 \| good	0.157 \| good
2026-01-24T01:00:00.000Z	19 \| good	2.402 \| good	9.927 \| good	20.868 \| good	0.906 \| good	4.293 \| good	0.156 \| good
2026-01-24T02:00:00.000Z	22 \| good	3.55 \| good	15.736 \| good	19.229 \| good	0.893 \| good	4.16 \| good	0.156 \| good
2026-01-24T03:00:00.000Z	33 \| good	6.461 \| good	28.853 \| good	18.017 \| good	0.88 \| good	4.028 \| good	0.155 \| good
2026-01-24T04:00:00.000Z	33 \| good	5.577 \| good	23.843 \| good	18.355 \| good	0.815 \| good	3.678 \| good	0.154 \| good
2026-01-24T05:00:00.000Z	27 \| good	4.975 \| good	21.332 \| good	17.925 \| good	0.75 \| good	3.328 \| good	0.153 \| good
2026-01-24T06:00:00.000Z	22 \| good	4.345 \| good	18.957 \| good	18.303 \| good	0.685 \| good	2.978 \| good	0.152 \| good
2026-01-24T07:00:00.000Z	27 \| good	4.518 \| good	19.851 \| good	19.437 \| good	0.64 \| good	2.749 \| good	0.151 \| good
2026-01-24T08:00:00.000Z	22 \| good	4.417 \| good	19 \| good	21.359 \| good	0.595 \| good	2.519 \| good	0.151 \| good
2026-01-24T09:00:00.000Z	19 \| good	2.818 \| good	11.443 \| good	21.257 \| good	0.549 \| good	2.29 \| good	0.15 \| good
2026-01-24T10:00:00.000Z	21 \| good	2.891 \| good	11.889 \| good	22.779 \| good	0.592 \| good	2.39 \| good	0.151 \| good
2026-01-24T11:00:00.000Z	20 \| good	3.451 \| good	15.288 \| good	22.395 \| good	0.636 \| good	2.489 \| good	0.152 \| good
2026-01-24T12:00:00.000Z	33 \| good	5.726 \| good	24.742 \| good	20.811 \| good	0.679 \| good	2.589 \| good	0.153 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.931 \| good	34.845 \| good	19.339 \| good	0.792 \| good	3.152 \| good	0.16 \| good
2026-01-24T14:00:00.000Z	49 \| good	8.649 \| good	37.942 \| good	19.355 \| good	0.904 \| good	3.716 \| good	0.166 \| good
2026-01-24T15:00:00.000Z	44 \| good	7.734 \| good	33.984 \| good	20.309 \| good	1.017 \| good	4.28 \| good	0.173 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.916 \| good	25.652 \| good	21.827 \| good	1.121 \| good	4.044 \| good	0.174 \| good
2026-01-24T17:00:00.000Z	22 \| good	3.655 \| good	16.074 \| good	21.036 \| good	1.225 \| good	3.807 \| good	0.176 \| good
2026-01-24T18:00:00.000Z	27 \| good	5.204 \| good	22.664 \| good	21.614 \| good	1.329 \| good	3.571 \| good	0.178 \| good
2026-01-24T19:00:00.000Z	27 \| good	5.438 \| good	23.28 \| good	21.872 \| good	1.344 \| good	4.033 \| good	0.179 \| good
2026-01-24T20:00:00.000Z	33 \| good	5.844 \| good	25.354 \| good	23.707 \| good	1.359 \| good	4.494 \| good	0.181 \| good
2026-01-24T21:00:00.000Z	33 \| good	5.521 \| good	23.587 \| good	27.206 \| good	1.374 \| good	4.956 \| good	0.182 \| good
2026-01-24T22:00:00.000Z	24 \| good	3.823 \| good	16.522 \| good	26.224 \| good	1.224 \| good	5.761 \| good	0.185 \| good
2026-01-24T23:00:00.000Z	22 \| good	3.293 \| good	14.136 \| good	23.639 \| good	1.073 \| good	6.565 \| good	0.188 \| good
2026-01-25T00:00:00.000Z	38 \| good	7.347 \| good	7.659 \| good	24.633 \| good	0.931 \| good	7.448 \| good	0.191 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.756 \| good	20.845 \| good	21.841 \| good	0.863 \| good	7.061 \| good	0.189 \| good
2026-01-25T02:00:00.000Z	44 \| good	8.153 \| good	35.542 \| good	18.263 \| good	0.803 \| good	6.751 \| good	0.186 \| good
2026-01-25T03:00:00.000Z	54 \| moderate	11.431 \| good	50.544 \| good	17.763 \| good	0.744 \| good	6.441 \| good	0.184 \| good
2026-01-25T04:00:00.000Z	52 \| moderate	9.842 \| good	43.795 \| good	16.663 \| good	0.704 \| good	6.047 \| good	0.183 \| good
2026-01-25T05:00:00.000Z	49 \| good	8.745 \| good	38.106 \| good	16.648 \| good	0.664 \| good	5.653 \| good	0.181 \| good

Real-time air quality index in Cahokia Heights, Illinois today

Common air pollutants in Cahokia Heights, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Cahokia Heights, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

St. Louis, Missouri

East St. Louis, Illinois

Lemay, Missouri

Affton, Missouri

Mehlville, Missouri

Clayton, Missouri

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Cahokia Heights, Illinois?

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

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

What are the current PM10 levels at Cahokia Heights, Illinois?

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

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

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

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

What are the current PM₁₀ levels at Cahokia Heights, Illinois?

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

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

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