What is the current concentration of PM10 in Columbia, Illinois?

The current PM10 concentration at Columbia, Illinois is 32.429 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Columbia, Illinois is 0.949 ppb.

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

The current ozone (O3) concentration at Columbia, Illinois is 33.111 ppm.

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

The current nitrogen dioxide (NO2) concentration at Columbia, Illinois is 2.338 ppb.

Columbia, Illinois live air quality index now

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

Stay updated with real-time air quality in Columbia, 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)

Good

Columbia, Illinois

Last updated: ... (Local time)

Major air pollutants in Columbia, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.14 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.19 μg/m³

155

255

425

605+

Ozone (O₃)

12.32 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.30 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Columbia, Illinois

Get Live Pollen Counts

Columbia, Illinois

Scroll To Air Quality Map

Track live Columbia, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T12:00:00.000Z	56 \| moderate	11.639 \| good	50.259 \| good	10.92 \| good	0.894 \| good	3.674 \| good	0.147 \| good
2025-07-20T13:00:00.000Z	58 \| moderate	12.713 \| fine	53.149 \| good	15.041 \| good	0.658 \| good	3.535 \| good	0.147 \| good
2025-07-20T14:00:00.000Z	58 \| moderate	12.713 \| fine	53.149 \| good	15.093 \| good	0.974 \| good	2.573 \| good	0.152 \| good
2025-07-20T15:00:00.000Z	56 \| moderate	11.648 \| good	49.466 \| good	17.856 \| good	0.57 \| good	2.046 \| good	0.147 \| good
2025-07-20T16:00:00.000Z	56 \| moderate	12.027 \| good	47.551 \| good	21.913 \| good	1.396 \| good	1.884 \| good	0.149 \| good
2025-07-20T17:00:00.000Z	56 \| moderate	11.545 \| good	45.792 \| good	24.282 \| good	1.036 \| good	1.856 \| good	0.148 \| good
2025-07-20T18:00:00.000Z	54 \| moderate	10.906 \| good	44.547 \| good	28.315 \| good	1.328 \| good	2.066 \| good	0.192 \| good
2025-07-20T19:00:00.000Z	56 \| moderate	11.566 \| good	47.068 \| good	30.35 \| good	1.083 \| good	2.112 \| good	0.192 \| good
2025-07-20T20:00:00.000Z	52 \| moderate	10.233 \| good	39.651 \| good	30.506 \| good	0.772 \| good	2.124 \| good	0.192 \| good
2025-07-20T21:00:00.000Z	44 \| good	8.144 \| good	31.252 \| good	33.815 \| good	0.91 \| good	2.204 \| good	0.192 \| good
2025-07-20T22:00:00.000Z	38 \| good	7.082 \| good	27.261 \| good	36.284 \| good	0.974 \| good	2.112 \| good	0.192 \| good
2025-07-20T23:00:00.000Z	33 \| good	5.754 \| good	22.249 \| good	34.643 \| good	0.739 \| good	2.15 \| good	0.148 \| good
2025-07-21T00:00:00.000Z	38 \| good	7.356 \| good	32.429 \| good	33.111 \| good	0.949 \| good	2.338 \| good	0.148 \| good
2025-07-21T01:00:00.000Z	44 \| good	8.028 \| good	33.269 \| good	29.91 \| good	0.443 \| good	2.722 \| good	0.148 \| good
2025-07-21T02:00:00.000Z	44 \| good	7.845 \| good	33.034 \| good	25.537 \| good	0.428 \| good	2.766 \| good	0.148 \| good
2025-07-21T03:00:00.000Z	44 \| good	8.193 \| good	34.642 \| good	16.412 \| good	0.443 \| good	4.758 \| good	0.245 \| good
2025-07-21T04:00:00.000Z	44 \| good	7.714 \| good	32.035 \| good	16.762 \| good	0.398 \| good	5.479 \| good	0.195 \| good
2025-07-21T05:00:00.000Z	38 \| good	7.377 \| good	28.653 \| good	16.034 \| good	0.508 \| good	4.071 \| good	0.15 \| good
2025-07-21T06:00:00.000Z	49 \| good	8.692 \| good	33.886 \| good	16.721 \| good	1.646 \| good	2.567 \| good	0.103 \| good
2025-07-21T07:00:00.000Z	44 \| good	7.952 \| good	30.277 \| good	15.818 \| good	1.651 \| good	2.409 \| good	0.103 \| good
2025-07-21T08:00:00.000Z	44 \| good	7.952 \| good	30.277 \| good	19.554 \| good	1.657 \| good	2.412 \| good	0.103 \| good
2025-07-21T09:00:00.000Z	24 \| good	3.159 \| good	13.209 \| good	25.951 \| good	1.87 \| good	4.009 \| good	0.103 \| good
2025-07-21T10:00:00.000Z	29 \| good	1.679 \| good	6.788 \| good	30.506 \| good	0.815 \| good	4.19 \| good	0.103 \| good
2025-07-21T11:00:00.000Z	30 \| good	2.292 \| good	8.678 \| good	31.549 \| good	0.322 \| good	5.993 \| good	0.148 \| good
2025-07-21T12:00:00.000Z	31 \| good	2.858 \| good	11.653 \| good	33.251 \| good	0.226 \| good	5.627 \| good	0.148 \| good
2025-07-21T13:00:00.000Z	29 \| good	2.71 \| good	10.33 \| good	31.462 \| good	0.215 \| good	7.577 \| good	0.201 \| good
2025-07-21T14:00:00.000Z	28 \| good	2.42 \| good	10.261 \| good	30.451 \| good	0.291 \| good	8.803 \| good	0.248 \| good
2025-07-21T15:00:00.000Z	27 \| good	3.608 \| good	15.216 \| good	28.529 \| good	0.318 \| good	8.847 \| good	0.246 \| good
2025-07-21T16:00:00.000Z	27 \| good	4.07 \| good	18.397 \| good	28.558 \| good	0.608 \| good	10.066 \| good	0.2 \| good
2025-07-21T17:00:00.000Z	31 \| good	3.153 \| good	15.086 \| good	32.546 \| good	1.486 \| good	6.45 \| good	0.2 \| good
2025-07-21T18:00:00.000Z	33 \| good	3.9 \| good	18.342 \| good	35.904 \| good	1.502 \| good	6.734 \| good	0.195 \| good
2025-07-21T19:00:00.000Z	35 \| good	3.875 \| good	17.65 \| good	37.831 \| good	0.605 \| good	4.599 \| good	0.197 \| good
2025-07-21T20:00:00.000Z	36 \| good	4.328 \| good	18.614 \| good	38.517 \| good	0.568 \| good	3.332 \| good	0.148 \| good
2025-07-21T21:00:00.000Z	41 \| good	5.091 \| good	21.003 \| good	44.274 \| good	0.431 \| good	3.992 \| good	0.149 \| good
2025-07-21T22:00:00.000Z	43 \| good	4.961 \| good	20.992 \| good	46.296 \| good	0.35 \| good	3.689 \| good	0.148 \| good
2025-07-21T23:00:00.000Z	44 \| good	6.419 \| good	22.4 \| good	46.501 \| good	0.4 \| good	3.647 \| good	0.198 \| good
2025-07-22T00:00:00.000Z	42 \| good	7.116 \| good	25.109 \| good	45.155 \| good	0.408 \| good	4.407 \| good	0.198 \| good
2025-07-22T01:00:00.000Z	44 \| good	7.601 \| good	29.194 \| good	39.842 \| good	0.382 \| good	5.253 \| good	0.243 \| good
2025-07-22T02:00:00.000Z	44 \| good	7.702 \| good	28.997 \| good	34.962 \| good	0.365 \| good	7.172 \| good	0.245 \| good
2025-07-22T03:00:00.000Z	44 \| good	7.815 \| good	33.96 \| good	20.779 \| good	1.317 \| good	7.558 \| good	0.251 \| good
2025-07-22T04:00:00.000Z	38 \| good	6.733 \| good	26.278 \| good	25.827 \| good	0.445 \| good	9.32 \| good	0.246 \| good
2025-07-22T05:00:00.000Z	44 \| good	7.807 \| good	30.108 \| good	24.731 \| good	0.442 \| good	11.195 \| good	0.245 \| good
2025-07-22T06:00:00.000Z	38 \| good	7.267 \| good	27.503 \| good	19.271 \| good	0.409 \| good	13.155 \| good	0.2 \| good
2025-07-22T07:00:00.000Z	38 \| good	7.362 \| good	27.883 \| good	17.499 \| good	0.401 \| good	12.993 \| good	0.198 \| good
2025-07-22T08:00:00.000Z	38 \| good	7.362 \| good	27.883 \| good	17.782 \| good	0.392 \| good	12.896 \| good	0.198 \| good
2025-07-22T09:00:00.000Z	38 \| good	6.573 \| good	27.556 \| good	12.056 \| good	0.429 \| good	11.462 \| good	0.198 \| good
2025-07-22T10:00:00.000Z	44 \| good	8.139 \| good	30.19 \| good	12.316 \| good	0.362 \| good	12.304 \| good	0.198 \| good
2025-07-22T11:00:00.000Z	44 \| good	8.139 \| good	30.19 \| good	12.316 \| good	0.362 \| good	12.304 \| good	0.198 \| good
2025-07-21T02:00:00.000Z	54 \| moderate	10.534 \| good	47.005 \| good	15.912 \| good	0.655 \| good	5.85 \| good	0.206 \| good
2025-07-21T03:00:00.000Z	54 \| moderate	11.484 \| good	50.848 \| good	13.677 \| good	0.656 \| good	7.091 \| good	0.222 \| good
2025-07-21T04:00:00.000Z	54 \| moderate	11.018 \| good	48.857 \| good	13.288 \| good	0.615 \| good	6.12 \| good	0.211 \| good
2025-07-21T05:00:00.000Z	52 \| moderate	10.305 \| good	45.478 \| good	13.894 \| good	0.574 \| good	5.149 \| good	0.2 \| good
2025-07-21T06:00:00.000Z	49 \| good	8.608 \| good	37.498 \| good	11.55 \| good	0.533 \| good	4.179 \| good	0.189 \| good
2025-07-21T07:00:00.000Z	38 \| good	7.042 \| good	31.455 \| good	7.881 \| good	0.523 \| good	3.957 \| good	0.184 \| good
2025-07-21T08:00:00.000Z	44 \| good	7.762 \| good	34.073 \| good	8.094 \| good	0.513 \| good	3.735 \| good	0.18 \| good
2025-07-21T09:00:00.000Z	22 \| good	4.241 \| good	18.584 \| good	14.655 \| good	0.503 \| good	3.513 \| good	0.175 \| good
2025-07-21T10:00:00.000Z	19 \| good	2.24 \| good	9.111 \| good	20.733 \| good	0.504 \| good	3.698 \| good	0.176 \| good
2025-07-21T11:00:00.000Z	22 \| good	4.281 \| good	19.089 \| good	16.715 \| good	0.505 \| good	3.884 \| good	0.178 \| good
2025-07-21T12:00:00.000Z	22 \| good	4.196 \| good	18.189 \| good	20.487 \| good	0.506 \| good	4.069 \| good	0.179 \| good
2025-07-21T13:00:00.000Z	27 \| good	4.691 \| good	20.563 \| good	24.876 \| good	0.675 \| good	3.406 \| good	0.181 \| good
2025-07-21T14:00:00.000Z	27 \| good	4.714 \| good	20.234 \| good	26.958 \| good	0.844 \| good	2.744 \| good	0.183 \| good
2025-07-21T15:00:00.000Z	29 \| good	3.904 \| good	17.054 \| good	30.972 \| good	1.014 \| good	2.081 \| good	0.185 \| good
2025-07-21T16:00:00.000Z	31 \| good	3.511 \| good	15.303 \| good	34.35 \| good	1.102 \| good	1.865 \| good	0.179 \| good
2025-07-21T17:00:00.000Z	38 \| good	6.189 \| good	27.564 \| good	41.012 \| good	1.191 \| good	1.648 \| good	0.174 \| good
2025-07-21T18:00:00.000Z	49 \| good	9.041 \| good	40.218 \| good	45.832 \| good	1.279 \| good	1.432 \| good	0.168 \| good
2025-07-21T19:00:00.000Z	46 \| good	7.185 \| good	31.639 \| good	50.033 \| good	1.281 \| good	1.408 \| good	0.167 \| good
2025-07-21T20:00:00.000Z	49 \| good	7.146 \| good	31.534 \| good	52.704 \| good	1.283 \| good	1.384 \| good	0.165 \| good
2025-07-21T21:00:00.000Z	49 \| good	7.976 \| good	34.934 \| good	52.901 \| good	1.285 \| good	1.36 \| good	0.163 \| good
2025-07-21T22:00:00.000Z	44 \| good	8.393 \| good	36.717 \| good	43.551 \| good	1.246 \| good	2.507 \| good	0.176 \| good
2025-07-21T23:00:00.000Z	38 \| good	6.572 \| good	29.437 \| good	35.838 \| good	1.207 \| good	3.655 \| good	0.19 \| good
2025-07-22T00:00:00.000Z	27 \| good	4.566 \| good	19.934 \| good	28.09 \| good	1.168 \| good	4.802 \| good	0.204 \| good
2025-07-22T01:00:00.000Z	33 \| good	5.756 \| good	24.905 \| good	26.359 \| good	1.19 \| good	6.994 \| good	0.238 \| good
2025-07-22T02:00:00.000Z	33 \| good	5.865 \| good	25.274 \| good	24.563 \| good	1.212 \| good	9.186 \| good	0.271 \| good
2025-07-22T03:00:00.000Z	33 \| good	6.136 \| good	27.202 \| good	20.176 \| good	1.234 \| good	11.378 \| good	0.305 \| good
2025-07-22T04:00:00.000Z	38 \| good	7.005 \| good	31 \| good	19.337 \| good	1.149 \| good	10.05 \| good	0.287 \| good
2025-07-22T05:00:00.000Z	33 \| good	6.355 \| good	28.272 \| good	20.077 \| good	1.063 \| good	8.722 \| good	0.27 \| good
2025-07-22T06:00:00.000Z	38 \| good	6.5 \| good	29.016 \| good	22.661 \| good	0.977 \| good	7.395 \| good	0.253 \| good
2025-07-22T07:00:00.000Z	38 \| good	6.57 \| good	29.239 \| good	22.605 \| good	0.978 \| good	6.934 \| good	0.245 \| good
2025-07-22T08:00:00.000Z	33 \| good	6.133 \| good	27.353 \| good	21.584 \| good	0.98 \| good	6.474 \| good	0.237 \| good
2025-07-22T09:00:00.000Z	27 \| good	4.974 \| good	21.543 \| good	22.684 \| good	0.981 \| good	6.014 \| good	0.229 \| good
2025-07-22T10:00:00.000Z	22 \| good	2.55 \| good	10.308 \| good	23.778 \| good	0.99 \| good	5.668 \| good	0.228 \| good
2025-07-22T11:00:00.000Z	20 \| good	1.869 \| good	7.898 \| good	22.475 \| good	0.999 \| good	5.323 \| good	0.227 \| good
2025-07-22T12:00:00.000Z	21 \| good	2.632 \| good	11.067 \| good	23.096 \| good	1.007 \| good	4.977 \| good	0.225 \| good
2025-07-22T13:00:00.000Z	23 \| good	2.084 \| good	8.276 \| good	24.631 \| good	1.02 \| good	4.057 \| good	0.224 \| good
2025-07-22T14:00:00.000Z	27 \| good	4.542 \| good	19.633 \| good	28.868 \| good	1.033 \| good	3.137 \| good	0.223 \| good
2025-07-22T15:00:00.000Z	29 \| good	4.969 \| good	21.298 \| good	31.372 \| good	1.046 \| good	2.216 \| good	0.222 \| good
2025-07-22T16:00:00.000Z	33 \| good	6.274 \| good	28.125 \| good	34.341 \| good	1.211 \| good	2.016 \| good	0.213 \| good
2025-07-22T17:00:00.000Z	38 \| good	6.958 \| good	30.603 \| good	38.113 \| good	1.376 \| good	1.817 \| good	0.203 \| good
2025-07-22T18:00:00.000Z	49 \| good	9.344 \| good	41.664 \| good	43.357 \| good	1.541 \| good	1.617 \| good	0.194 \| good
2025-07-22T19:00:00.000Z	44 \| good	7.722 \| good	34.06 \| good	43.787 \| good	1.455 \| good	1.538 \| good	0.186 \| good
2025-07-22T20:00:00.000Z	38 \| good	7.07 \| good	31.054 \| good	40.168 \| good	1.37 \| good	1.459 \| good	0.178 \| good
2025-07-22T21:00:00.000Z	44 \| good	8.332 \| good	36.454 \| good	41.762 \| good	1.285 \| good	1.381 \| good	0.17 \| good
2025-07-22T22:00:00.000Z	54 \| moderate	10.881 \| good	48.029 \| good	43.362 \| good	1.273 \| good	2.406 \| good	0.182 \| good
2025-07-22T23:00:00.000Z	49 \| good	9.429 \| good	41.897 \| good	39.329 \| good	1.262 \| good	3.431 \| good	0.193 \| good
2025-07-23T00:00:00.000Z	67 \| moderate	10.404 \| good	13.561 \| good	60.041 \| fine	1.245 \| good	4.412 \| good	0.203 \| good
2025-07-23T01:00:00.000Z	33 \| good	6.043 \| good	26.469 \| good	29.838 \| good	1.337 \| good	6.574 \| good	0.231 \| good

Columbia

Get reliable air quality data to drive your business

Columbia, Illinois air quality map: Track AQI near you

0.16ppm

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 Columbia, Illinois updated?

The air quality for Columbia, Illinois is updated every hour.

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

The worst air quality in Columbia, Illinois in the last 24 hours was observed at 02:00:00 on 2025-07-20.

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

In the last 24 hrs, the best air quality in Columbia, Illinois was observed at 11:00:00 on 2025-07-20.

What is the current air quality in Columbia, Illinois?

The current air quality in Columbia, Illinois is 38, categorized as Good based on real-time data.

What pollutant is the most common in Columbia, Illinois?

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

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

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

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

The current PM_2.5 concentration at Columbia, Illinois is 7.356 μg/m³.

What is the current concentration of PM₁₀ in Columbia, Illinois?

The current PM₁₀ concentration at Columbia, Illinois is 32.429 μg/m³.

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

The current carbon monoxide (CO) concentration at Columbia, Illinois is 0.148 ppm.

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

The current sulfur dioxide (SO₂) concentration at Columbia, Illinois is 0.949 ppb.

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

The current ozone (O₃) concentration at Columbia, Illinois is 33.111 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Columbia, Illinois is 2.338 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T12:00:00.000Z	56 \| moderate	11.639 \| good	50.259 \| good	10.92 \| good	0.894 \| good	3.674 \| good	0.147 \| good
2025-07-20T13:00:00.000Z	58 \| moderate	12.713 \| fine	53.149 \| good	15.041 \| good	0.658 \| good	3.535 \| good	0.147 \| good
2025-07-20T14:00:00.000Z	58 \| moderate	12.713 \| fine	53.149 \| good	15.093 \| good	0.974 \| good	2.573 \| good	0.152 \| good
2025-07-20T15:00:00.000Z	56 \| moderate	11.648 \| good	49.466 \| good	17.856 \| good	0.57 \| good	2.046 \| good	0.147 \| good
2025-07-20T16:00:00.000Z	56 \| moderate	12.027 \| good	47.551 \| good	21.913 \| good	1.396 \| good	1.884 \| good	0.149 \| good
2025-07-20T17:00:00.000Z	56 \| moderate	11.545 \| good	45.792 \| good	24.282 \| good	1.036 \| good	1.856 \| good	0.148 \| good
2025-07-20T18:00:00.000Z	54 \| moderate	10.906 \| good	44.547 \| good	28.315 \| good	1.328 \| good	2.066 \| good	0.192 \| good
2025-07-20T19:00:00.000Z	56 \| moderate	11.566 \| good	47.068 \| good	30.35 \| good	1.083 \| good	2.112 \| good	0.192 \| good
2025-07-20T20:00:00.000Z	52 \| moderate	10.233 \| good	39.651 \| good	30.506 \| good	0.772 \| good	2.124 \| good	0.192 \| good
2025-07-20T21:00:00.000Z	44 \| good	8.144 \| good	31.252 \| good	33.815 \| good	0.91 \| good	2.204 \| good	0.192 \| good
2025-07-20T22:00:00.000Z	38 \| good	7.082 \| good	27.261 \| good	36.284 \| good	0.974 \| good	2.112 \| good	0.192 \| good
2025-07-20T23:00:00.000Z	33 \| good	5.754 \| good	22.249 \| good	34.643 \| good	0.739 \| good	2.15 \| good	0.148 \| good
2025-07-21T00:00:00.000Z	38 \| good	7.356 \| good	32.429 \| good	33.111 \| good	0.949 \| good	2.338 \| good	0.148 \| good
2025-07-21T01:00:00.000Z	44 \| good	8.028 \| good	33.269 \| good	29.91 \| good	0.443 \| good	2.722 \| good	0.148 \| good
2025-07-21T02:00:00.000Z	44 \| good	7.845 \| good	33.034 \| good	25.537 \| good	0.428 \| good	2.766 \| good	0.148 \| good
2025-07-21T03:00:00.000Z	44 \| good	8.193 \| good	34.642 \| good	16.412 \| good	0.443 \| good	4.758 \| good	0.245 \| good
2025-07-21T04:00:00.000Z	44 \| good	7.714 \| good	32.035 \| good	16.762 \| good	0.398 \| good	5.479 \| good	0.195 \| good
2025-07-21T05:00:00.000Z	38 \| good	7.377 \| good	28.653 \| good	16.034 \| good	0.508 \| good	4.071 \| good	0.15 \| good
2025-07-21T06:00:00.000Z	49 \| good	8.692 \| good	33.886 \| good	16.721 \| good	1.646 \| good	2.567 \| good	0.103 \| good
2025-07-21T07:00:00.000Z	44 \| good	7.952 \| good	30.277 \| good	15.818 \| good	1.651 \| good	2.409 \| good	0.103 \| good
2025-07-21T08:00:00.000Z	44 \| good	7.952 \| good	30.277 \| good	19.554 \| good	1.657 \| good	2.412 \| good	0.103 \| good
2025-07-21T09:00:00.000Z	24 \| good	3.159 \| good	13.209 \| good	25.951 \| good	1.87 \| good	4.009 \| good	0.103 \| good
2025-07-21T10:00:00.000Z	29 \| good	1.679 \| good	6.788 \| good	30.506 \| good	0.815 \| good	4.19 \| good	0.103 \| good
2025-07-21T11:00:00.000Z	30 \| good	2.292 \| good	8.678 \| good	31.549 \| good	0.322 \| good	5.993 \| good	0.148 \| good
2025-07-21T12:00:00.000Z	31 \| good	2.858 \| good	11.653 \| good	33.251 \| good	0.226 \| good	5.627 \| good	0.148 \| good
2025-07-21T13:00:00.000Z	29 \| good	2.71 \| good	10.33 \| good	31.462 \| good	0.215 \| good	7.577 \| good	0.201 \| good
2025-07-21T14:00:00.000Z	28 \| good	2.42 \| good	10.261 \| good	30.451 \| good	0.291 \| good	8.803 \| good	0.248 \| good
2025-07-21T15:00:00.000Z	27 \| good	3.608 \| good	15.216 \| good	28.529 \| good	0.318 \| good	8.847 \| good	0.246 \| good
2025-07-21T16:00:00.000Z	27 \| good	4.07 \| good	18.397 \| good	28.558 \| good	0.608 \| good	10.066 \| good	0.2 \| good
2025-07-21T17:00:00.000Z	31 \| good	3.153 \| good	15.086 \| good	32.546 \| good	1.486 \| good	6.45 \| good	0.2 \| good
2025-07-21T18:00:00.000Z	33 \| good	3.9 \| good	18.342 \| good	35.904 \| good	1.502 \| good	6.734 \| good	0.195 \| good
2025-07-21T19:00:00.000Z	35 \| good	3.875 \| good	17.65 \| good	37.831 \| good	0.605 \| good	4.599 \| good	0.197 \| good
2025-07-21T20:00:00.000Z	36 \| good	4.328 \| good	18.614 \| good	38.517 \| good	0.568 \| good	3.332 \| good	0.148 \| good
2025-07-21T21:00:00.000Z	41 \| good	5.091 \| good	21.003 \| good	44.274 \| good	0.431 \| good	3.992 \| good	0.149 \| good
2025-07-21T22:00:00.000Z	43 \| good	4.961 \| good	20.992 \| good	46.296 \| good	0.35 \| good	3.689 \| good	0.148 \| good
2025-07-21T23:00:00.000Z	44 \| good	6.419 \| good	22.4 \| good	46.501 \| good	0.4 \| good	3.647 \| good	0.198 \| good
2025-07-22T00:00:00.000Z	42 \| good	7.116 \| good	25.109 \| good	45.155 \| good	0.408 \| good	4.407 \| good	0.198 \| good
2025-07-22T01:00:00.000Z	44 \| good	7.601 \| good	29.194 \| good	39.842 \| good	0.382 \| good	5.253 \| good	0.243 \| good
2025-07-22T02:00:00.000Z	44 \| good	7.702 \| good	28.997 \| good	34.962 \| good	0.365 \| good	7.172 \| good	0.245 \| good
2025-07-22T03:00:00.000Z	44 \| good	7.815 \| good	33.96 \| good	20.779 \| good	1.317 \| good	7.558 \| good	0.251 \| good
2025-07-22T04:00:00.000Z	38 \| good	6.733 \| good	26.278 \| good	25.827 \| good	0.445 \| good	9.32 \| good	0.246 \| good
2025-07-22T05:00:00.000Z	44 \| good	7.807 \| good	30.108 \| good	24.731 \| good	0.442 \| good	11.195 \| good	0.245 \| good
2025-07-22T06:00:00.000Z	38 \| good	7.267 \| good	27.503 \| good	19.271 \| good	0.409 \| good	13.155 \| good	0.2 \| good
2025-07-22T07:00:00.000Z	38 \| good	7.362 \| good	27.883 \| good	17.499 \| good	0.401 \| good	12.993 \| good	0.198 \| good
2025-07-22T08:00:00.000Z	38 \| good	7.362 \| good	27.883 \| good	17.782 \| good	0.392 \| good	12.896 \| good	0.198 \| good
2025-07-22T09:00:00.000Z	38 \| good	6.573 \| good	27.556 \| good	12.056 \| good	0.429 \| good	11.462 \| good	0.198 \| good
2025-07-22T10:00:00.000Z	44 \| good	8.139 \| good	30.19 \| good	12.316 \| good	0.362 \| good	12.304 \| good	0.198 \| good
2025-07-22T11:00:00.000Z	44 \| good	8.139 \| good	30.19 \| good	12.316 \| good	0.362 \| good	12.304 \| good	0.198 \| good
2025-07-21T02:00:00.000Z	54 \| moderate	10.534 \| good	47.005 \| good	15.912 \| good	0.655 \| good	5.85 \| good	0.206 \| good
2025-07-21T03:00:00.000Z	54 \| moderate	11.484 \| good	50.848 \| good	13.677 \| good	0.656 \| good	7.091 \| good	0.222 \| good
2025-07-21T04:00:00.000Z	54 \| moderate	11.018 \| good	48.857 \| good	13.288 \| good	0.615 \| good	6.12 \| good	0.211 \| good
2025-07-21T05:00:00.000Z	52 \| moderate	10.305 \| good	45.478 \| good	13.894 \| good	0.574 \| good	5.149 \| good	0.2 \| good
2025-07-21T06:00:00.000Z	49 \| good	8.608 \| good	37.498 \| good	11.55 \| good	0.533 \| good	4.179 \| good	0.189 \| good
2025-07-21T07:00:00.000Z	38 \| good	7.042 \| good	31.455 \| good	7.881 \| good	0.523 \| good	3.957 \| good	0.184 \| good
2025-07-21T08:00:00.000Z	44 \| good	7.762 \| good	34.073 \| good	8.094 \| good	0.513 \| good	3.735 \| good	0.18 \| good
2025-07-21T09:00:00.000Z	22 \| good	4.241 \| good	18.584 \| good	14.655 \| good	0.503 \| good	3.513 \| good	0.175 \| good
2025-07-21T10:00:00.000Z	19 \| good	2.24 \| good	9.111 \| good	20.733 \| good	0.504 \| good	3.698 \| good	0.176 \| good
2025-07-21T11:00:00.000Z	22 \| good	4.281 \| good	19.089 \| good	16.715 \| good	0.505 \| good	3.884 \| good	0.178 \| good
2025-07-21T12:00:00.000Z	22 \| good	4.196 \| good	18.189 \| good	20.487 \| good	0.506 \| good	4.069 \| good	0.179 \| good
2025-07-21T13:00:00.000Z	27 \| good	4.691 \| good	20.563 \| good	24.876 \| good	0.675 \| good	3.406 \| good	0.181 \| good
2025-07-21T14:00:00.000Z	27 \| good	4.714 \| good	20.234 \| good	26.958 \| good	0.844 \| good	2.744 \| good	0.183 \| good
2025-07-21T15:00:00.000Z	29 \| good	3.904 \| good	17.054 \| good	30.972 \| good	1.014 \| good	2.081 \| good	0.185 \| good
2025-07-21T16:00:00.000Z	31 \| good	3.511 \| good	15.303 \| good	34.35 \| good	1.102 \| good	1.865 \| good	0.179 \| good
2025-07-21T17:00:00.000Z	38 \| good	6.189 \| good	27.564 \| good	41.012 \| good	1.191 \| good	1.648 \| good	0.174 \| good
2025-07-21T18:00:00.000Z	49 \| good	9.041 \| good	40.218 \| good	45.832 \| good	1.279 \| good	1.432 \| good	0.168 \| good
2025-07-21T19:00:00.000Z	46 \| good	7.185 \| good	31.639 \| good	50.033 \| good	1.281 \| good	1.408 \| good	0.167 \| good
2025-07-21T20:00:00.000Z	49 \| good	7.146 \| good	31.534 \| good	52.704 \| good	1.283 \| good	1.384 \| good	0.165 \| good
2025-07-21T21:00:00.000Z	49 \| good	7.976 \| good	34.934 \| good	52.901 \| good	1.285 \| good	1.36 \| good	0.163 \| good
2025-07-21T22:00:00.000Z	44 \| good	8.393 \| good	36.717 \| good	43.551 \| good	1.246 \| good	2.507 \| good	0.176 \| good
2025-07-21T23:00:00.000Z	38 \| good	6.572 \| good	29.437 \| good	35.838 \| good	1.207 \| good	3.655 \| good	0.19 \| good
2025-07-22T00:00:00.000Z	27 \| good	4.566 \| good	19.934 \| good	28.09 \| good	1.168 \| good	4.802 \| good	0.204 \| good
2025-07-22T01:00:00.000Z	33 \| good	5.756 \| good	24.905 \| good	26.359 \| good	1.19 \| good	6.994 \| good	0.238 \| good
2025-07-22T02:00:00.000Z	33 \| good	5.865 \| good	25.274 \| good	24.563 \| good	1.212 \| good	9.186 \| good	0.271 \| good
2025-07-22T03:00:00.000Z	33 \| good	6.136 \| good	27.202 \| good	20.176 \| good	1.234 \| good	11.378 \| good	0.305 \| good
2025-07-22T04:00:00.000Z	38 \| good	7.005 \| good	31 \| good	19.337 \| good	1.149 \| good	10.05 \| good	0.287 \| good
2025-07-22T05:00:00.000Z	33 \| good	6.355 \| good	28.272 \| good	20.077 \| good	1.063 \| good	8.722 \| good	0.27 \| good
2025-07-22T06:00:00.000Z	38 \| good	6.5 \| good	29.016 \| good	22.661 \| good	0.977 \| good	7.395 \| good	0.253 \| good
2025-07-22T07:00:00.000Z	38 \| good	6.57 \| good	29.239 \| good	22.605 \| good	0.978 \| good	6.934 \| good	0.245 \| good
2025-07-22T08:00:00.000Z	33 \| good	6.133 \| good	27.353 \| good	21.584 \| good	0.98 \| good	6.474 \| good	0.237 \| good
2025-07-22T09:00:00.000Z	27 \| good	4.974 \| good	21.543 \| good	22.684 \| good	0.981 \| good	6.014 \| good	0.229 \| good
2025-07-22T10:00:00.000Z	22 \| good	2.55 \| good	10.308 \| good	23.778 \| good	0.99 \| good	5.668 \| good	0.228 \| good
2025-07-22T11:00:00.000Z	20 \| good	1.869 \| good	7.898 \| good	22.475 \| good	0.999 \| good	5.323 \| good	0.227 \| good
2025-07-22T12:00:00.000Z	21 \| good	2.632 \| good	11.067 \| good	23.096 \| good	1.007 \| good	4.977 \| good	0.225 \| good
2025-07-22T13:00:00.000Z	23 \| good	2.084 \| good	8.276 \| good	24.631 \| good	1.02 \| good	4.057 \| good	0.224 \| good
2025-07-22T14:00:00.000Z	27 \| good	4.542 \| good	19.633 \| good	28.868 \| good	1.033 \| good	3.137 \| good	0.223 \| good
2025-07-22T15:00:00.000Z	29 \| good	4.969 \| good	21.298 \| good	31.372 \| good	1.046 \| good	2.216 \| good	0.222 \| good
2025-07-22T16:00:00.000Z	33 \| good	6.274 \| good	28.125 \| good	34.341 \| good	1.211 \| good	2.016 \| good	0.213 \| good
2025-07-22T17:00:00.000Z	38 \| good	6.958 \| good	30.603 \| good	38.113 \| good	1.376 \| good	1.817 \| good	0.203 \| good
2025-07-22T18:00:00.000Z	49 \| good	9.344 \| good	41.664 \| good	43.357 \| good	1.541 \| good	1.617 \| good	0.194 \| good
2025-07-22T19:00:00.000Z	44 \| good	7.722 \| good	34.06 \| good	43.787 \| good	1.455 \| good	1.538 \| good	0.186 \| good
2025-07-22T20:00:00.000Z	38 \| good	7.07 \| good	31.054 \| good	40.168 \| good	1.37 \| good	1.459 \| good	0.178 \| good
2025-07-22T21:00:00.000Z	44 \| good	8.332 \| good	36.454 \| good	41.762 \| good	1.285 \| good	1.381 \| good	0.17 \| good
2025-07-22T22:00:00.000Z	54 \| moderate	10.881 \| good	48.029 \| good	43.362 \| good	1.273 \| good	2.406 \| good	0.182 \| good
2025-07-22T23:00:00.000Z	49 \| good	9.429 \| good	41.897 \| good	39.329 \| good	1.262 \| good	3.431 \| good	0.193 \| good
2025-07-23T00:00:00.000Z	67 \| moderate	10.404 \| good	13.561 \| good	60.041 \| fine	1.245 \| good	4.412 \| good	0.203 \| good
2025-07-23T01:00:00.000Z	33 \| good	6.043 \| good	26.469 \| good	29.838 \| good	1.337 \| good	6.574 \| good	0.231 \| good

Columbia, Illinois live air quality index now

Major air pollutants in Columbia, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Columbia, Illinois air quality map: Track AQI near you

Air quality in nearby cities

Oakville, Missouri

Lemay, Missouri

Waterloo, Illinois

Mehlville, Missouri

Cahokia Heights, Illinois

Arnold, Missouri

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Frequently asked questions

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

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

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

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

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