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

The current PM10 concentration at Columbia, Illinois is 12.983 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Columbia, Illinois is 0.78 ppb.

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

The current ozone (O3) concentration at Columbia, Illinois is 27.5 ppm.

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

The current nitrogen dioxide (NO2) concentration at Columbia, Illinois is 5.614 ppb.

Columbia, Illinois live air quality index now

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

The current PM2.5 concentration at Columbia, Illinois is 2.952 μg/m3.

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)

2.95 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.98 μg/m³

155

255

425

605+

Ozone (O₃)

27.50 ppb

201

201+

Sulfur Dioxide (SO₂)

0.78 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.61 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
2026-09-05T15:00:00.000Z	49 \| good	8.595 \| good	33.444 \| good	26.447 \| good	0.705 \| good	3.121 \| good	0.204 \| good
2026-09-05T16:00:00.000Z	38 \| good	7.295 \| good	27.595 \| good	33.09 \| good	0.732 \| good	3.667 \| good	0.205 \| good
2026-09-05T17:00:00.000Z	44 \| good	8.074 \| good	30.057 \| good	37.459 \| good	0.737 \| good	2.894 \| good	0.203 \| good
2026-09-05T18:00:00.000Z	54 \| moderate	10.56 \| good	39.576 \| good	41.857 \| good	0.659 \| good	3.263 \| good	0.204 \| good
2026-09-05T19:00:00.000Z	49 \| good	9.083 \| good	34.134 \| good	45.356 \| good	0.729 \| good	3.304 \| good	0.201 \| good
2026-09-05T20:00:00.000Z	44 \| good	7.529 \| good	29.556 \| good	46.72 \| good	0.915 \| good	2.846 \| good	0.156 \| good
2026-09-05T21:00:00.000Z	43 \| good	6.251 \| good	27.061 \| good	45.717 \| good	0.715 \| good	2.689 \| good	0.2 \| good
2026-09-05T22:00:00.000Z	42 \| good	6.792 \| good	27.661 \| good	44.681 \| good	0.746 \| good	2.54 \| good	0.155 \| good
2026-09-05T23:00:00.000Z	39 \| good	4.659 \| good	18.756 \| good	41.968 \| good	0.863 \| good	3.073 \| good	0.155 \| good
2026-09-06T00:00:00.000Z	44 \| good	7.685 \| good	28.932 \| good	39.54 \| good	0.942 \| good	5.114 \| good	0.156 \| good
2026-09-06T01:00:00.000Z	44 \| good	7.684 \| good	28.698 \| good	33.767 \| good	2.007 \| good	6.217 \| good	0.252 \| good
2026-09-06T02:00:00.000Z	29 \| good	5.44 \| good	22.176 \| good	31.108 \| good	1.932 \| good	9.178 \| good	0.302 \| good
2026-09-06T03:00:00.000Z	33 \| good	6.222 \| good	27.29 \| good	31.411 \| good	0.851 \| good	7.407 \| good	0.199 \| good
2026-09-06T04:00:00.000Z	44 \| good	7.681 \| good	32.843 \| good	31.455 \| good	0.944 \| good	5.79 \| good	0.203 \| good
2026-09-06T05:00:00.000Z	44 \| good	7.511 \| good	30.852 \| good	29.271 \| good	1.033 \| good	5.546 \| good	0.252 \| good
2026-09-06T06:00:00.000Z	33 \| good	6.442 \| good	28.712 \| good	31.218 \| good	0.924 \| good	5.432 \| good	0.352 \| good
2026-09-06T07:00:00.000Z	33 \| good	6.442 \| good	28.712 \| good	29.845 \| good	0.922 \| good	5.322 \| good	0.352 \| good
2026-09-06T08:00:00.000Z	33 \| good	6.442 \| good	28.712 \| good	31.436 \| good	0.921 \| good	5.365 \| good	0.352 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.277 \| good	24.204 \| good	34.277 \| good	0.752 \| good	4.192 \| good	0.2 \| good
2026-09-06T10:00:00.000Z	33 \| good	6.39 \| good	25.055 \| good	32.308 \| good	0.664 \| good	3.48 \| good	0.2 \| good
2026-09-06T11:00:00.000Z	33 \| good	6.118 \| good	24.462 \| good	31.718 \| good	0.665 \| good	3.599 \| good	0.2 \| good
2026-09-06T12:00:00.000Z	33 \| good	6.136 \| good	21.51 \| good	32.454 \| good	0.661 \| good	4.291 \| good	0.2 \| good
2026-09-06T13:00:00.000Z	38 \| good	6.624 \| good	25.701 \| good	32.523 \| good	0.78 \| good	4.323 \| good	0.2 \| good
2026-09-06T14:00:00.000Z	44 \| good	7.64 \| good	26.841 \| good	31.363 \| good	1.258 \| good	4.351 \| good	0.2 \| good
2026-09-06T15:00:00.000Z	49 \| good	9.132 \| good	31.612 \| good	30.892 \| good	1.207 \| good	4.283 \| good	0.2 \| good
2026-09-06T16:00:00.000Z	38 \| good	7.351 \| good	25.296 \| good	29.233 \| good	1.459 \| good	3.595 \| good	0.25 \| good
2026-09-06T17:00:00.000Z	38 \| good	6.621 \| good	24.128 \| good	28.722 \| good	0.91 \| good	2.815 \| good	0.2 \| good
2026-09-06T18:00:00.000Z	33 \| good	5.913 \| good	21.561 \| good	31.231 \| good	1.823 \| good	3 \| good	0.25 \| good
2026-09-06T19:00:00.000Z	38 \| good	6.823 \| good	26.857 \| good	33.95 \| good	1.326 \| good	2.608 \| good	0.2 \| good
2026-09-06T20:00:00.000Z	38 \| good	6.873 \| good	26.695 \| good	36.542 \| good	0.932 \| good	2.466 \| good	0.2 \| good
2026-09-06T21:00:00.000Z	37 \| good	6.339 \| good	24.295 \| good	40.005 \| good	0.996 \| good	3.139 \| good	0.2 \| good
2026-09-06T22:00:00.000Z	37 \| good	6.406 \| good	26.754 \| good	40.482 \| good	0.635 \| good	2.471 \| good	0.155 \| good
2026-09-06T23:00:00.000Z	38 \| good	6.435 \| good	23.9 \| good	40.864 \| good	0.65 \| good	2.488 \| good	0.155 \| good
2026-09-07T00:00:00.000Z	39 \| good	5.243 \| good	18.586 \| good	42.15 \| good	0.931 \| good	3.355 \| good	0.155 \| good
2026-09-07T01:00:00.000Z	36 \| good	3.915 \| good	12.566 \| good	38.679 \| good	1.778 \| good	4.788 \| good	0.205 \| good
2026-09-07T02:00:00.000Z	34 \| good	3.315 \| good	13.327 \| good	36.896 \| good	2.696 \| good	5.382 \| good	0.25 \| good
2026-09-07T03:00:00.000Z	33 \| good	5.826 \| good	25.053 \| good	30.679 \| good	0.603 \| good	3.855 \| good	0.158 \| good
2026-09-07T04:00:00.000Z	31 \| good	4.09 \| good	15.258 \| good	34.172 \| good	0.854 \| good	4.211 \| good	0.2 \| good
2026-09-07T05:00:00.000Z	31 \| good	3.733 \| good	14.884 \| good	33.482 \| good	0.679 \| good	3.727 \| good	0.153 \| good
2026-09-07T06:00:00.000Z	29 \| good	3.507 \| good	14.36 \| good	31.445 \| good	0.642 \| good	4.032 \| good	0.153 \| good
2026-09-07T07:00:00.000Z	29 \| good	3.507 \| good	14.36 \| good	31.401 \| good	0.641 \| good	4.047 \| good	0.153 \| good
2026-09-07T08:00:00.000Z	29 \| good	3.545 \| good	14.55 \| good	30.625 \| good	0.641 \| good	4.035 \| good	0.153 \| good
2026-09-07T09:00:00.000Z	27 \| good	2.29 \| good	10.258 \| good	29.316 \| good	0.736 \| good	3.901 \| good	0.153 \| good
2026-09-07T10:00:00.000Z	26 \| good	2.666 \| good	11.719 \| good	28.202 \| good	0.667 \| good	4.64 \| good	0.153 \| good
2026-09-07T11:00:00.000Z	25 \| good	3.321 \| good	12.951 \| good	27.213 \| good	0.663 \| good	4.39 \| good	0.153 \| good
2026-09-07T12:00:00.000Z	25 \| good	3.671 \| good	12.019 \| good	26.721 \| good	0.683 \| good	5.367 \| good	0.153 \| good
2026-09-07T13:00:00.000Z	25 \| good	2.952 \| good	12.983 \| good	27.5 \| good	0.78 \| good	5.614 \| good	0.198 \| good
2026-09-07T14:00:00.000Z	26 \| good	2.952 \| good	12.983 \| good	27.5 \| good	0.78 \| good	5.614 \| good	0.198 \| good
2026-09-07T15:00:00.000Z	44 \| good	7.836 \| good	34.185 \| good	39.815 \| good	0.968 \| good	2.241 \| good	0.184 \| good
2026-09-07T16:00:00.000Z	44 \| good	7.891 \| good	34.726 \| good	45.407 \| good	0.977 \| good	1.374 \| good	0.177 \| good
2026-09-07T17:00:00.000Z	44 \| good	8.443 \| good	36.78 \| good	46.371 \| good	0.948 \| good	0.967 \| good	0.173 \| good
2026-09-07T18:00:00.000Z	44 \| good	7.753 \| good	33.78 \| good	48.279 \| good	0.899 \| good	0.837 \| good	0.171 \| good
2026-09-07T19:00:00.000Z	49 \| good	8.693 \| good	37.866 \| good	51.004 \| good	0.856 \| good	0.801 \| good	0.171 \| good
2026-09-07T20:00:00.000Z	49 \| good	6.012 \| good	27.033 \| good	53.105 \| good	0.835 \| good	0.834 \| good	0.171 \| good
2026-09-07T21:00:00.000Z	49 \| good	5.778 \| good	25.31 \| good	52.755 \| good	0.825 \| good	0.91 \| good	0.172 \| good
2026-09-07T22:00:00.000Z	48 \| good	5.166 \| good	22.234 \| good	51.881 \| good	0.807 \| good	1.049 \| good	0.172 \| good
2026-09-07T23:00:00.000Z	44 \| good	3.623 \| good	15.982 \| good	48.117 \| good	0.79 \| good	1.444 \| good	0.174 \| good
2026-09-08T00:00:00.000Z	36 \| good	4.691 \| good	20.593 \| good	39.054 \| good	0.742 \| good	3.249 \| good	0.187 \| good
2026-09-08T01:00:00.000Z	32 \| good	5.26 \| good	22.624 \| good	35.296 \| good	0.738 \| good	5.358 \| good	0.201 \| good
2026-09-08T02:00:00.000Z	38 \| good	6.854 \| good	30.029 \| good	28.329 \| good	0.744 \| good	5.775 \| good	0.202 \| good
2026-09-08T03:00:00.000Z	38 \| good	6.783 \| good	29.997 \| good	26.951 \| good	0.74 \| good	5.611 \| good	0.199 \| good
2026-09-08T04:00:00.000Z	44 \| good	8.023 \| good	35.186 \| good	26.121 \| good	0.732 \| good	5.625 \| good	0.197 \| good
2026-09-08T05:00:00.000Z	44 \| good	8.395 \| good	36.946 \| good	23.109 \| good	0.722 \| good	5.849 \| good	0.198 \| good
2026-09-08T06:00:00.000Z	44 \| good	7.998 \| good	35.167 \| good	19.664 \| good	0.709 \| good	6.008 \| good	0.199 \| good
2026-09-08T07:00:00.000Z	38 \| good	7.132 \| good	31.789 \| good	17.728 \| good	0.713 \| good	6.29 \| good	0.2 \| good
2026-09-08T08:00:00.000Z	38 \| good	7.191 \| good	31.927 \| good	17.228 \| good	0.725 \| good	6.811 \| good	0.203 \| good
2026-09-08T09:00:00.000Z	38 \| good	7.484 \| good	33.004 \| good	17.96 \| good	0.747 \| good	7.557 \| good	0.208 \| good
2026-09-08T10:00:00.000Z	44 \| good	8.254 \| good	36.327 \| good	17.791 \| good	0.775 \| good	8.381 \| good	0.213 \| good
2026-09-08T11:00:00.000Z	54 \| moderate	10.523 \| good	46.882 \| good	15.071 \| good	0.807 \| good	9.215 \| good	0.218 \| good
2026-09-08T12:00:00.000Z	54 \| moderate	10.903 \| good	48.429 \| good	15.702 \| good	0.83 \| good	9.693 \| good	0.225 \| good
2026-09-08T13:00:00.000Z	54 \| moderate	11.339 \| good	50.075 \| good	24.37 \| good	0.838 \| good	8.435 \| good	0.233 \| good
2026-09-08T14:00:00.000Z	54 \| moderate	11.274 \| good	49.569 \| good	29.686 \| good	0.947 \| good	6.287 \| good	0.229 \| good
2026-09-08T15:00:00.000Z	49 \| good	8.794 \| good	38.262 \| good	37.542 \| good	1.166 \| good	3.724 \| good	0.218 \| good
2026-09-08T16:00:00.000Z	52 \| moderate	9.797 \| good	43.375 \| good	47.815 \| good	1.439 \| good	2.157 \| good	0.209 \| good
2026-09-08T17:00:00.000Z	56 \| moderate	11.696 \| good	51.709 \| good	53.515 \| good	1.543 \| good	1.442 \| good	0.203 \| good
2026-09-08T18:00:00.000Z	54 \| moderate	10.508 \| good	46.687 \| good	55.874 \| fine	1.606 \| good	1.15 \| good	0.197 \| good
2026-09-08T19:00:00.000Z	54 \| moderate	11.142 \| good	49.116 \| good	55.53 \| fine	1.498 \| good	1.039 \| good	0.192 \| good
2026-09-08T20:00:00.000Z	54 \| moderate	9.468 \| good	42.082 \| good	56.136 \| fine	1.298 \| good	1.008 \| good	0.188 \| good
2026-09-08T21:00:00.000Z	54 \| moderate	9.834 \| good	43.757 \| good	55.676 \| fine	1.133 \| good	1.02 \| good	0.186 \| good
2026-09-08T22:00:00.000Z	51 \| moderate	7.985 \| good	35.055 \| good	54.676 \| good	1.01 \| good	1.134 \| good	0.186 \| good
2026-09-08T23:00:00.000Z	49 \| good	8.676 \| good	38.02 \| good	50.475 \| good	0.905 \| good	1.789 \| good	0.193 \| good
2026-09-09T00:00:00.000Z	49 \| good	8.857 \| good	38.816 \| good	37.666 \| good	0.816 \| good	4.167 \| good	0.216 \| good
2026-09-09T01:00:00.000Z	49 \| good	8.852 \| good	38.846 \| good	29.818 \| good	0.775 \| good	6.518 \| good	0.237 \| good
2026-09-09T02:00:00.000Z	49 \| good	8.688 \| good	37.867 \| good	26.764 \| good	0.742 \| good	6.879 \| good	0.242 \| good
2026-09-09T03:00:00.000Z	49 \| good	9.146 \| good	40.662 \| good	26.219 \| good	0.702 \| good	6.314 \| good	0.24 \| good
2026-09-09T04:00:00.000Z	54 \| moderate	10.913 \| good	48.36 \| good	26.186 \| good	0.655 \| good	5.537 \| good	0.235 \| good
2026-09-09T05:00:00.000Z	58 \| moderate	12.885 \| fine	58.369 \| fine	25.233 \| good	0.607 \| good	4.733 \| good	0.23 \| good
2026-09-09T06:00:00.000Z	58 \| moderate	12.657 \| fine	57 \| fine	27.215 \| good	0.561 \| good	3.908 \| good	0.224 \| good
2026-09-09T07:00:00.000Z	58 \| moderate	12.685 \| fine	57 \| fine	30.552 \| good	0.525 \| good	3.24 \| good	0.218 \| good
2026-09-09T08:00:00.000Z	54 \| moderate	11.301 \| good	49.913 \| good	30.203 \| good	0.496 \| good	2.727 \| good	0.214 \| good
2026-09-09T09:00:00.000Z	49 \| good	9.254 \| good	41.122 \| good	31.762 \| good	0.488 \| good	2.443 \| good	0.212 \| good
2026-09-09T10:00:00.000Z	49 \| good	8.637 \| good	37.842 \| good	28.166 \| good	0.506 \| good	2.347 \| good	0.211 \| good
2026-09-09T11:00:00.000Z	54 \| moderate	10.549 \| good	46.408 \| good	25.371 \| good	0.542 \| good	2.336 \| good	0.21 \| good
2026-09-09T12:00:00.000Z	56 \| moderate	12.413 \| fine	55.413 \| fine	26.32 \| good	0.578 \| good	2.374 \| good	0.21 \| good
2026-09-09T13:00:00.000Z	60 \| moderate	13.647 \| fine	61.329 \| fine	28.485 \| good	0.617 \| good	2.403 \| good	0.213 \| good
2026-09-09T14:00:00.000Z	58 \| moderate	13.24 \| fine	59.427 \| fine	32.044 \| good	0.666 \| good	2.237 \| good	0.22 \| good

Columbia

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Columbia, Illinois air quality map: Track AQI near you

0.20ppm

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 03:00:00 on 2026-09-06.

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 01:00:00 on 2026-09-07.

What is the current air quality in Columbia, Illinois?

The current air quality in Columbia, Illinois is 26, 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 O3.

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 2.952 μg/m³.

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

The current PM₁₀ concentration at Columbia, Illinois is 12.983 μg/m³.

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

The current carbon monoxide (CO) concentration at Columbia, Illinois is 0.198 ppm.

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

The current sulfur dioxide (SO₂) concentration at Columbia, Illinois is 0.78 ppb.

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

The current ozone (O₃) concentration at Columbia, Illinois is 27.5 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Columbia, Illinois is 5.614 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T15:00:00.000Z	49 \| good	8.595 \| good	33.444 \| good	26.447 \| good	0.705 \| good	3.121 \| good	0.204 \| good
2026-09-05T16:00:00.000Z	38 \| good	7.295 \| good	27.595 \| good	33.09 \| good	0.732 \| good	3.667 \| good	0.205 \| good
2026-09-05T17:00:00.000Z	44 \| good	8.074 \| good	30.057 \| good	37.459 \| good	0.737 \| good	2.894 \| good	0.203 \| good
2026-09-05T18:00:00.000Z	54 \| moderate	10.56 \| good	39.576 \| good	41.857 \| good	0.659 \| good	3.263 \| good	0.204 \| good
2026-09-05T19:00:00.000Z	49 \| good	9.083 \| good	34.134 \| good	45.356 \| good	0.729 \| good	3.304 \| good	0.201 \| good
2026-09-05T20:00:00.000Z	44 \| good	7.529 \| good	29.556 \| good	46.72 \| good	0.915 \| good	2.846 \| good	0.156 \| good
2026-09-05T21:00:00.000Z	43 \| good	6.251 \| good	27.061 \| good	45.717 \| good	0.715 \| good	2.689 \| good	0.2 \| good
2026-09-05T22:00:00.000Z	42 \| good	6.792 \| good	27.661 \| good	44.681 \| good	0.746 \| good	2.54 \| good	0.155 \| good
2026-09-05T23:00:00.000Z	39 \| good	4.659 \| good	18.756 \| good	41.968 \| good	0.863 \| good	3.073 \| good	0.155 \| good
2026-09-06T00:00:00.000Z	44 \| good	7.685 \| good	28.932 \| good	39.54 \| good	0.942 \| good	5.114 \| good	0.156 \| good
2026-09-06T01:00:00.000Z	44 \| good	7.684 \| good	28.698 \| good	33.767 \| good	2.007 \| good	6.217 \| good	0.252 \| good
2026-09-06T02:00:00.000Z	29 \| good	5.44 \| good	22.176 \| good	31.108 \| good	1.932 \| good	9.178 \| good	0.302 \| good
2026-09-06T03:00:00.000Z	33 \| good	6.222 \| good	27.29 \| good	31.411 \| good	0.851 \| good	7.407 \| good	0.199 \| good
2026-09-06T04:00:00.000Z	44 \| good	7.681 \| good	32.843 \| good	31.455 \| good	0.944 \| good	5.79 \| good	0.203 \| good
2026-09-06T05:00:00.000Z	44 \| good	7.511 \| good	30.852 \| good	29.271 \| good	1.033 \| good	5.546 \| good	0.252 \| good
2026-09-06T06:00:00.000Z	33 \| good	6.442 \| good	28.712 \| good	31.218 \| good	0.924 \| good	5.432 \| good	0.352 \| good
2026-09-06T07:00:00.000Z	33 \| good	6.442 \| good	28.712 \| good	29.845 \| good	0.922 \| good	5.322 \| good	0.352 \| good
2026-09-06T08:00:00.000Z	33 \| good	6.442 \| good	28.712 \| good	31.436 \| good	0.921 \| good	5.365 \| good	0.352 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.277 \| good	24.204 \| good	34.277 \| good	0.752 \| good	4.192 \| good	0.2 \| good
2026-09-06T10:00:00.000Z	33 \| good	6.39 \| good	25.055 \| good	32.308 \| good	0.664 \| good	3.48 \| good	0.2 \| good
2026-09-06T11:00:00.000Z	33 \| good	6.118 \| good	24.462 \| good	31.718 \| good	0.665 \| good	3.599 \| good	0.2 \| good
2026-09-06T12:00:00.000Z	33 \| good	6.136 \| good	21.51 \| good	32.454 \| good	0.661 \| good	4.291 \| good	0.2 \| good
2026-09-06T13:00:00.000Z	38 \| good	6.624 \| good	25.701 \| good	32.523 \| good	0.78 \| good	4.323 \| good	0.2 \| good
2026-09-06T14:00:00.000Z	44 \| good	7.64 \| good	26.841 \| good	31.363 \| good	1.258 \| good	4.351 \| good	0.2 \| good
2026-09-06T15:00:00.000Z	49 \| good	9.132 \| good	31.612 \| good	30.892 \| good	1.207 \| good	4.283 \| good	0.2 \| good
2026-09-06T16:00:00.000Z	38 \| good	7.351 \| good	25.296 \| good	29.233 \| good	1.459 \| good	3.595 \| good	0.25 \| good
2026-09-06T17:00:00.000Z	38 \| good	6.621 \| good	24.128 \| good	28.722 \| good	0.91 \| good	2.815 \| good	0.2 \| good
2026-09-06T18:00:00.000Z	33 \| good	5.913 \| good	21.561 \| good	31.231 \| good	1.823 \| good	3 \| good	0.25 \| good
2026-09-06T19:00:00.000Z	38 \| good	6.823 \| good	26.857 \| good	33.95 \| good	1.326 \| good	2.608 \| good	0.2 \| good
2026-09-06T20:00:00.000Z	38 \| good	6.873 \| good	26.695 \| good	36.542 \| good	0.932 \| good	2.466 \| good	0.2 \| good
2026-09-06T21:00:00.000Z	37 \| good	6.339 \| good	24.295 \| good	40.005 \| good	0.996 \| good	3.139 \| good	0.2 \| good
2026-09-06T22:00:00.000Z	37 \| good	6.406 \| good	26.754 \| good	40.482 \| good	0.635 \| good	2.471 \| good	0.155 \| good
2026-09-06T23:00:00.000Z	38 \| good	6.435 \| good	23.9 \| good	40.864 \| good	0.65 \| good	2.488 \| good	0.155 \| good
2026-09-07T00:00:00.000Z	39 \| good	5.243 \| good	18.586 \| good	42.15 \| good	0.931 \| good	3.355 \| good	0.155 \| good
2026-09-07T01:00:00.000Z	36 \| good	3.915 \| good	12.566 \| good	38.679 \| good	1.778 \| good	4.788 \| good	0.205 \| good
2026-09-07T02:00:00.000Z	34 \| good	3.315 \| good	13.327 \| good	36.896 \| good	2.696 \| good	5.382 \| good	0.25 \| good
2026-09-07T03:00:00.000Z	33 \| good	5.826 \| good	25.053 \| good	30.679 \| good	0.603 \| good	3.855 \| good	0.158 \| good
2026-09-07T04:00:00.000Z	31 \| good	4.09 \| good	15.258 \| good	34.172 \| good	0.854 \| good	4.211 \| good	0.2 \| good
2026-09-07T05:00:00.000Z	31 \| good	3.733 \| good	14.884 \| good	33.482 \| good	0.679 \| good	3.727 \| good	0.153 \| good
2026-09-07T06:00:00.000Z	29 \| good	3.507 \| good	14.36 \| good	31.445 \| good	0.642 \| good	4.032 \| good	0.153 \| good
2026-09-07T07:00:00.000Z	29 \| good	3.507 \| good	14.36 \| good	31.401 \| good	0.641 \| good	4.047 \| good	0.153 \| good
2026-09-07T08:00:00.000Z	29 \| good	3.545 \| good	14.55 \| good	30.625 \| good	0.641 \| good	4.035 \| good	0.153 \| good
2026-09-07T09:00:00.000Z	27 \| good	2.29 \| good	10.258 \| good	29.316 \| good	0.736 \| good	3.901 \| good	0.153 \| good
2026-09-07T10:00:00.000Z	26 \| good	2.666 \| good	11.719 \| good	28.202 \| good	0.667 \| good	4.64 \| good	0.153 \| good
2026-09-07T11:00:00.000Z	25 \| good	3.321 \| good	12.951 \| good	27.213 \| good	0.663 \| good	4.39 \| good	0.153 \| good
2026-09-07T12:00:00.000Z	25 \| good	3.671 \| good	12.019 \| good	26.721 \| good	0.683 \| good	5.367 \| good	0.153 \| good
2026-09-07T13:00:00.000Z	25 \| good	2.952 \| good	12.983 \| good	27.5 \| good	0.78 \| good	5.614 \| good	0.198 \| good
2026-09-07T14:00:00.000Z	26 \| good	2.952 \| good	12.983 \| good	27.5 \| good	0.78 \| good	5.614 \| good	0.198 \| good
2026-09-07T15:00:00.000Z	44 \| good	7.836 \| good	34.185 \| good	39.815 \| good	0.968 \| good	2.241 \| good	0.184 \| good
2026-09-07T16:00:00.000Z	44 \| good	7.891 \| good	34.726 \| good	45.407 \| good	0.977 \| good	1.374 \| good	0.177 \| good
2026-09-07T17:00:00.000Z	44 \| good	8.443 \| good	36.78 \| good	46.371 \| good	0.948 \| good	0.967 \| good	0.173 \| good
2026-09-07T18:00:00.000Z	44 \| good	7.753 \| good	33.78 \| good	48.279 \| good	0.899 \| good	0.837 \| good	0.171 \| good
2026-09-07T19:00:00.000Z	49 \| good	8.693 \| good	37.866 \| good	51.004 \| good	0.856 \| good	0.801 \| good	0.171 \| good
2026-09-07T20:00:00.000Z	49 \| good	6.012 \| good	27.033 \| good	53.105 \| good	0.835 \| good	0.834 \| good	0.171 \| good
2026-09-07T21:00:00.000Z	49 \| good	5.778 \| good	25.31 \| good	52.755 \| good	0.825 \| good	0.91 \| good	0.172 \| good
2026-09-07T22:00:00.000Z	48 \| good	5.166 \| good	22.234 \| good	51.881 \| good	0.807 \| good	1.049 \| good	0.172 \| good
2026-09-07T23:00:00.000Z	44 \| good	3.623 \| good	15.982 \| good	48.117 \| good	0.79 \| good	1.444 \| good	0.174 \| good
2026-09-08T00:00:00.000Z	36 \| good	4.691 \| good	20.593 \| good	39.054 \| good	0.742 \| good	3.249 \| good	0.187 \| good
2026-09-08T01:00:00.000Z	32 \| good	5.26 \| good	22.624 \| good	35.296 \| good	0.738 \| good	5.358 \| good	0.201 \| good
2026-09-08T02:00:00.000Z	38 \| good	6.854 \| good	30.029 \| good	28.329 \| good	0.744 \| good	5.775 \| good	0.202 \| good
2026-09-08T03:00:00.000Z	38 \| good	6.783 \| good	29.997 \| good	26.951 \| good	0.74 \| good	5.611 \| good	0.199 \| good
2026-09-08T04:00:00.000Z	44 \| good	8.023 \| good	35.186 \| good	26.121 \| good	0.732 \| good	5.625 \| good	0.197 \| good
2026-09-08T05:00:00.000Z	44 \| good	8.395 \| good	36.946 \| good	23.109 \| good	0.722 \| good	5.849 \| good	0.198 \| good
2026-09-08T06:00:00.000Z	44 \| good	7.998 \| good	35.167 \| good	19.664 \| good	0.709 \| good	6.008 \| good	0.199 \| good
2026-09-08T07:00:00.000Z	38 \| good	7.132 \| good	31.789 \| good	17.728 \| good	0.713 \| good	6.29 \| good	0.2 \| good
2026-09-08T08:00:00.000Z	38 \| good	7.191 \| good	31.927 \| good	17.228 \| good	0.725 \| good	6.811 \| good	0.203 \| good
2026-09-08T09:00:00.000Z	38 \| good	7.484 \| good	33.004 \| good	17.96 \| good	0.747 \| good	7.557 \| good	0.208 \| good
2026-09-08T10:00:00.000Z	44 \| good	8.254 \| good	36.327 \| good	17.791 \| good	0.775 \| good	8.381 \| good	0.213 \| good
2026-09-08T11:00:00.000Z	54 \| moderate	10.523 \| good	46.882 \| good	15.071 \| good	0.807 \| good	9.215 \| good	0.218 \| good
2026-09-08T12:00:00.000Z	54 \| moderate	10.903 \| good	48.429 \| good	15.702 \| good	0.83 \| good	9.693 \| good	0.225 \| good
2026-09-08T13:00:00.000Z	54 \| moderate	11.339 \| good	50.075 \| good	24.37 \| good	0.838 \| good	8.435 \| good	0.233 \| good
2026-09-08T14:00:00.000Z	54 \| moderate	11.274 \| good	49.569 \| good	29.686 \| good	0.947 \| good	6.287 \| good	0.229 \| good
2026-09-08T15:00:00.000Z	49 \| good	8.794 \| good	38.262 \| good	37.542 \| good	1.166 \| good	3.724 \| good	0.218 \| good
2026-09-08T16:00:00.000Z	52 \| moderate	9.797 \| good	43.375 \| good	47.815 \| good	1.439 \| good	2.157 \| good	0.209 \| good
2026-09-08T17:00:00.000Z	56 \| moderate	11.696 \| good	51.709 \| good	53.515 \| good	1.543 \| good	1.442 \| good	0.203 \| good
2026-09-08T18:00:00.000Z	54 \| moderate	10.508 \| good	46.687 \| good	55.874 \| fine	1.606 \| good	1.15 \| good	0.197 \| good
2026-09-08T19:00:00.000Z	54 \| moderate	11.142 \| good	49.116 \| good	55.53 \| fine	1.498 \| good	1.039 \| good	0.192 \| good
2026-09-08T20:00:00.000Z	54 \| moderate	9.468 \| good	42.082 \| good	56.136 \| fine	1.298 \| good	1.008 \| good	0.188 \| good
2026-09-08T21:00:00.000Z	54 \| moderate	9.834 \| good	43.757 \| good	55.676 \| fine	1.133 \| good	1.02 \| good	0.186 \| good
2026-09-08T22:00:00.000Z	51 \| moderate	7.985 \| good	35.055 \| good	54.676 \| good	1.01 \| good	1.134 \| good	0.186 \| good
2026-09-08T23:00:00.000Z	49 \| good	8.676 \| good	38.02 \| good	50.475 \| good	0.905 \| good	1.789 \| good	0.193 \| good
2026-09-09T00:00:00.000Z	49 \| good	8.857 \| good	38.816 \| good	37.666 \| good	0.816 \| good	4.167 \| good	0.216 \| good
2026-09-09T01:00:00.000Z	49 \| good	8.852 \| good	38.846 \| good	29.818 \| good	0.775 \| good	6.518 \| good	0.237 \| good
2026-09-09T02:00:00.000Z	49 \| good	8.688 \| good	37.867 \| good	26.764 \| good	0.742 \| good	6.879 \| good	0.242 \| good
2026-09-09T03:00:00.000Z	49 \| good	9.146 \| good	40.662 \| good	26.219 \| good	0.702 \| good	6.314 \| good	0.24 \| good
2026-09-09T04:00:00.000Z	54 \| moderate	10.913 \| good	48.36 \| good	26.186 \| good	0.655 \| good	5.537 \| good	0.235 \| good
2026-09-09T05:00:00.000Z	58 \| moderate	12.885 \| fine	58.369 \| fine	25.233 \| good	0.607 \| good	4.733 \| good	0.23 \| good
2026-09-09T06:00:00.000Z	58 \| moderate	12.657 \| fine	57 \| fine	27.215 \| good	0.561 \| good	3.908 \| good	0.224 \| good
2026-09-09T07:00:00.000Z	58 \| moderate	12.685 \| fine	57 \| fine	30.552 \| good	0.525 \| good	3.24 \| good	0.218 \| good
2026-09-09T08:00:00.000Z	54 \| moderate	11.301 \| good	49.913 \| good	30.203 \| good	0.496 \| good	2.727 \| good	0.214 \| good
2026-09-09T09:00:00.000Z	49 \| good	9.254 \| good	41.122 \| good	31.762 \| good	0.488 \| good	2.443 \| good	0.212 \| good
2026-09-09T10:00:00.000Z	49 \| good	8.637 \| good	37.842 \| good	28.166 \| good	0.506 \| good	2.347 \| good	0.211 \| good
2026-09-09T11:00:00.000Z	54 \| moderate	10.549 \| good	46.408 \| good	25.371 \| good	0.542 \| good	2.336 \| good	0.21 \| good
2026-09-09T12:00:00.000Z	56 \| moderate	12.413 \| fine	55.413 \| fine	26.32 \| good	0.578 \| good	2.374 \| good	0.21 \| good
2026-09-09T13:00:00.000Z	60 \| moderate	13.647 \| fine	61.329 \| fine	28.485 \| good	0.617 \| good	2.403 \| good	0.213 \| good
2026-09-09T14:00:00.000Z	58 \| moderate	13.24 \| fine	59.427 \| fine	32.044 \| good	0.666 \| good	2.237 \| good	0.22 \| 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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What is the current concentration of sulfur dioxide (SO2) 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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