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

The current PM10 concentration at Columbia, Illinois is 28.857 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Columbia, Illinois is 1.752 ppb.

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

The current ozone (O3) concentration at Columbia, Illinois is 54.053 ppm.

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

The current nitrogen dioxide (NO2) concentration at Columbia, Illinois is 6.071 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 9.061 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)

9.06 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.86 μg/m³

155

255

425

605+

Ozone (O₃)

54.05 ppb

201

201+

Sulfur Dioxide (SO₂)

1.75 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.07 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-10-20T23:00:00.000Z	45 \| good	7.113 \| good	17.786 \| good	48.934 \| good	1.372 \| good	6.11 \| good	0.238 \| good
2026-10-21T00:00:00.000Z	43 \| good	4.956 \| good	17.786 \| good	46.209 \| good	1.212 \| good	11.639 \| good	0.427 \| good
2026-10-21T01:00:00.000Z	44 \| good	7.964 \| good	25.211 \| good	39.084 \| good	0.943 \| good	13.553 \| good	0.673 \| good
2026-10-21T02:00:00.000Z	58 \| moderate	13.273 \| fine	61.636 \| fine	35.627 \| good	0.839 \| good	19.637 \| good	0.726 \| good
2026-10-21T03:00:00.000Z	60 \| moderate	13.646 \| fine	61.108 \| fine	17.154 \| good	1.195 \| good	20.704 \| good	0.267 \| good
2026-10-21T04:00:00.000Z	62 \| moderate	14.912 \| fine	37.696 \| good	22.361 \| good	0.719 \| good	29.562 \| good	0.65 \| good
2026-10-21T05:00:00.000Z	60 \| moderate	13.969 \| fine	34.411 \| good	21.07 \| good	0.714 \| good	30.113 \| good	0.833 \| good
2026-10-21T06:00:00.000Z	60 \| moderate	13.794 \| fine	31.238 \| good	15.406 \| good	0.795 \| good	29.883 \| good	0.963 \| good
2026-10-21T07:00:00.000Z	54 \| moderate	10.687 \| good	35.118 \| good	12.528 \| good	0.797 \| good	28.902 \| good	0.963 \| good
2026-10-21T08:00:00.000Z	56 \| moderate	11.76 \| good	38.788 \| good	14.264 \| good	0.797 \| good	24.188 \| good	0.963 \| good
2026-10-21T09:00:00.000Z	44 \| good	7.806 \| good	43.332 \| good	7.225 \| good	0.679 \| good	17.837 \| good	0.824 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.903 \| good	32.228 \| good	8.85 \| good	0.593 \| good	17.822 \| good	0.828 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.471 \| good	24.969 \| good	8.442 \| good	0.768 \| good	13.572 \| good	0.779 \| good
2026-10-21T12:00:00.000Z	44 \| good	8.181 \| good	25.873 \| good	4.285 \| good	1.015 \| good	7.29 \| good	0.875 \| good
2026-10-21T13:00:00.000Z	49 \| good	8.543 \| good	42.546 \| good	5.779 \| good	1.012 \| good	17.221 \| good	0.878 \| good
2026-10-21T14:00:00.000Z	54 \| moderate	11.211 \| good	54.724 \| good	8.47 \| good	1.14 \| good	17.848 \| good	0.996 \| good
2026-10-21T15:00:00.000Z	56 \| moderate	12.196 \| fine	43.922 \| good	10.312 \| good	1.221 \| good	25.147 \| good	0.75 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	12.829 \| fine	54.883 \| good	12.796 \| good	0.961 \| good	21.929 \| good	0.571 \| good
2026-10-21T17:00:00.000Z	56 \| moderate	12.448 \| fine	48.708 \| good	27.778 \| good	2.207 \| good	19.349 \| good	0.435 \| good
2026-10-21T18:00:00.000Z	52 \| moderate	9.643 \| good	44.474 \| good	39.138 \| good	1.983 \| good	11.099 \| good	0.297 \| good
2026-10-21T19:00:00.000Z	52 \| moderate	10.085 \| good	42.788 \| good	46.333 \| good	1.917 \| good	8.847 \| good	0.286 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.264 \| good	33.245 \| good	47.887 \| good	1.361 \| good	8.902 \| good	0.244 \| good
2026-10-21T21:00:00.000Z	47 \| good	7.514 \| good	32.808 \| good	50.521 \| good	1.143 \| good	8.179 \| good	0.242 \| good
2026-10-21T22:00:00.000Z	47 \| good	6.879 \| good	24.055 \| good	50.902 \| good	1.067 \| good	8.009 \| good	0.248 \| good
2026-10-21T23:00:00.000Z	46 \| good	5.933 \| good	18.355 \| good	49.746 \| good	0.928 \| good	7.714 \| good	0.248 \| good
2026-10-22T00:00:00.000Z	42 \| good	6.217 \| good	39.418 \| good	44.864 \| good	0.755 \| good	17.111 \| good	0.293 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	10.577 \| good	40.983 \| good	45.15 \| good	0.802 \| good	33.264 \| good	0.673 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.557 \| good	37.825 \| good	40.373 \| good	0.722 \| good	35.112 \| good	0.711 \| good
2026-10-22T03:00:00.000Z	58 \| moderate	12.798 \| fine	57.295 \| fine	22.341 \| good	3.223 \| good	38.196 \| good	0.438 \| good
2026-10-22T04:00:00.000Z	60 \| moderate	13.529 \| fine	35.233 \| good	21.457 \| good	0.945 \| good	26.552 \| good	0.992 \| good
2026-10-22T05:00:00.000Z	69 \| moderate	19.413 \| fine	65.75 \| fine	24.353 \| good	0.746 \| good	25.09 \| good	0.974 \| good
2026-10-22T06:00:00.000Z	71 \| moderate	19.561 \| fine	65.545 \| fine	26.202 \| good	0.723 \| good	18.713 \| good	0.917 \| good
2026-10-22T07:00:00.000Z	57 \| moderate	10.905 \| good	67.533 \| fine	19.44 \| good	0.734 \| good	13.28 \| good	0.917 \| good
2026-10-22T08:00:00.000Z	60 \| moderate	14.251 \| fine	40.593 \| good	16.626 \| good	0.738 \| good	19.887 \| good	0.888 \| good
2026-10-22T09:00:00.000Z	58 \| moderate	12.546 \| fine	50.991 \| good	8.013 \| good	0.732 \| good	18.753 \| good	0.856 \| good
2026-10-22T10:00:00.000Z	58 \| moderate	13.397 \| fine	64.661 \| fine	6.979 \| good	0.738 \| good	16.572 \| good	0.76 \| good
2026-10-22T11:00:00.000Z	56 \| moderate	11.83 \| good	41.461 \| good	6.06 \| good	0.655 \| good	15.476 \| good	0.782 \| good
2026-10-22T12:00:00.000Z	49 \| good	9.16 \| good	44.856 \| good	6.912 \| good	0.697 \| good	17.489 \| good	0.826 \| good
2026-10-22T13:00:00.000Z	58 \| moderate	13.447 \| fine	66.496 \| fine	4.588 \| good	0.694 \| good	17.016 \| good	0.809 \| good
2026-10-22T14:00:00.000Z	58 \| moderate	12.616 \| fine	62.541 \| fine	8.881 \| good	0.762 \| good	14.809 \| good	0.851 \| good
2026-10-22T15:00:00.000Z	54 \| moderate	10.929 \| good	49.753 \| good	15.179 \| good	1.118 \| good	11.882 \| good	0.793 \| good
2026-10-22T16:00:00.000Z	56 \| moderate	11.683 \| good	60.307 \| fine	19.843 \| good	0.818 \| good	16.705 \| good	0.754 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	13.857 \| fine	63.332 \| fine	29.715 \| good	2.605 \| good	22.527 \| good	0.571 \| good
2026-10-22T18:00:00.000Z	56 \| moderate	11.65 \| good	42.403 \| good	39.9 \| good	3.351 \| good	13.364 \| good	0.523 \| good
2026-10-22T19:00:00.000Z	54 \| moderate	11.454 \| good	34.671 \| good	46.065 \| good	3.84 \| good	8.352 \| good	0.44 \| good
2026-10-22T20:00:00.000Z	52 \| moderate	9.87 \| good	33.463 \| good	48.529 \| good	2.178 \| good	7.538 \| good	0.196 \| good
2026-10-22T21:00:00.000Z	50 \| good	9.061 \| good	28.857 \| good	54.053 \| good	1.752 \| good	6.071 \| good	0.196 \| good
2026-10-22T22:00:00.000Z	50 \| good	9.061 \| good	28.857 \| good	54.053 \| good	1.752 \| good	6.071 \| good	0.196 \| good
2026-10-22T23:00:00.000Z	54 \| moderate	10.769 \| good	47.705 \| good	45.483 \| good	2.012 \| good	10.657 \| good	0.236 \| good
2026-10-23T00:00:00.000Z	52 \| moderate	9.701 \| good	43.063 \| good	35.055 \| good	2.097 \| good	19.814 \| good	0.303 \| good
2026-10-23T01:00:00.000Z	54 \| moderate	11.449 \| good	50.991 \| good	22.098 \| good	2.156 \| good	26.804 \| good	0.348 \| good
2026-10-23T02:00:00.000Z	60 \| moderate	13.637 \| fine	61.168 \| fine	19.503 \| good	2.111 \| good	29.638 \| good	0.37 \| good
2026-10-23T03:00:00.000Z	60 \| moderate	14.265 \| fine	63.388 \| fine	14.117 \| good	1.982 \| good	29.839 \| good	0.376 \| good
2026-10-23T04:00:00.000Z	58 \| moderate	12.686 \| fine	57.111 \| fine	13.394 \| good	1.828 \| good	28.955 \| good	0.375 \| good
2026-10-23T05:00:00.000Z	56 \| moderate	12.162 \| fine	54.579 \| good	14.408 \| good	1.617 \| good	26.406 \| good	0.364 \| good
2026-10-23T06:00:00.000Z	56 \| moderate	12.421 \| fine	55.981 \| fine	13.878 \| good	1.366 \| good	22.031 \| good	0.338 \| good
2026-10-23T07:00:00.000Z	58 \| moderate	12.617 \| fine	56.494 \| fine	14.338 \| good	1.167 \| good	17.837 \| good	0.308 \| good
2026-10-23T08:00:00.000Z	58 \| moderate	12.671 \| fine	56.652 \| fine	12.096 \| good	1.018 \| good	14.208 \| good	0.281 \| good
2026-10-23T09:00:00.000Z	58 \| moderate	13.066 \| fine	58.731 \| fine	11.642 \| good	0.936 \| good	11.545 \| good	0.262 \| good
2026-10-23T10:00:00.000Z	58 \| moderate	13.073 \| fine	58.731 \| fine	12.913 \| good	0.91 \| good	10.346 \| good	0.253 \| good
2026-10-23T11:00:00.000Z	60 \| moderate	13.531 \| fine	60.842 \| fine	10.828 \| good	0.921 \| good	10.281 \| good	0.252 \| good
2026-10-23T12:00:00.000Z	58 \| moderate	13.253 \| fine	60.245 \| fine	8.853 \| good	0.977 \| good	11.849 \| good	0.26 \| good
2026-10-23T13:00:00.000Z	62 \| moderate	14.682 \| fine	66.081 \| fine	12.555 \| good	1.067 \| good	13.635 \| good	0.283 \| good
2026-10-23T14:00:00.000Z	67 \| moderate	17.958 \| fine	79.969 \| fine	19.218 \| good	1.062 \| good	10.33 \| good	0.285 \| good
2026-10-23T15:00:00.000Z	64 \| moderate	16.376 \| fine	72.662 \| fine	26.745 \| good	1.203 \| good	7.342 \| good	0.255 \| good
2026-10-23T16:00:00.000Z	58 \| moderate	13.48 \| fine	60.84 \| fine	36.016 \| good	1.429 \| good	4.912 \| good	0.226 \| good
2026-10-23T17:00:00.000Z	52 \| moderate	9.814 \| good	43.841 \| good	44.646 \| good	1.699 \| good	2.991 \| good	0.202 \| good
2026-10-23T18:00:00.000Z	52 \| moderate	10.119 \| good	45.135 \| good	49.321 \| good	1.656 \| good	1.612 \| good	0.182 \| good
2026-10-23T19:00:00.000Z	52 \| moderate	10.216 \| good	45.17 \| good	51.843 \| good	1.516 \| good	1.231 \| good	0.176 \| good
2026-10-23T20:00:00.000Z	52 \| moderate	9.616 \| good	42.953 \| good	54.543 \| good	1.446 \| good	1.178 \| good	0.175 \| good
2026-10-23T21:00:00.000Z	54 \| moderate	8.512 \| good	37.249 \| good	56.235 \| fine	1.41 \| good	1.309 \| good	0.176 \| good
2026-10-23T22:00:00.000Z	49 \| good	9.421 \| good	41.815 \| good	53.494 \| good	1.373 \| good	1.89 \| good	0.18 \| good
2026-10-23T23:00:00.000Z	54 \| moderate	11.079 \| good	49.16 \| good	40.011 \| good	1.288 \| good	4.893 \| good	0.202 \| good
2026-10-24T00:00:00.000Z	52 \| moderate	9.87 \| good	43.922 \| good	29.496 \| good	1.248 \| good	7.617 \| good	0.222 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	10.143 \| good	44.991 \| good	22.671 \| good	1.22 \| good	7.83 \| good	0.221 \| good
2026-10-24T02:00:00.000Z	56 \| moderate	11.697 \| good	51.821 \| good	22.193 \| good	1.199 \| good	7.529 \| good	0.219 \| good
2026-10-24T03:00:00.000Z	60 \| moderate	13.59 \| fine	60.817 \| fine	20.134 \| good	1.183 \| good	7.009 \| good	0.216 \| good
2026-10-24T04:00:00.000Z	60 \| moderate	13.681 \| fine	61.982 \| fine	19.629 \| good	1.173 \| good	6.555 \| good	0.214 \| good
2026-10-24T05:00:00.000Z	58 \| moderate	13.092 \| fine	58.592 \| fine	18.495 \| good	1.149 \| good	5.951 \| good	0.213 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	12.912 \| fine	58.291 \| fine	15.919 \| good	1.115 \| good	5.371 \| good	0.212 \| good
2026-10-24T07:00:00.000Z	54 \| moderate	10.972 \| good	48.547 \| good	13.12 \| good	1.087 \| good	5.144 \| good	0.212 \| good
2026-10-24T08:00:00.000Z	54 \| moderate	10.791 \| good	47.616 \| good	11.671 \| good	1.058 \| good	5.161 \| good	0.213 \| good
2026-10-24T09:00:00.000Z	54 \| moderate	10.667 \| good	47.496 \| good	10.799 \| good	1.033 \| good	5.408 \| good	0.215 \| good
2026-10-24T10:00:00.000Z	52 \| moderate	10.38 \| good	45.887 \| good	9.809 \| good	1.016 \| good	5.768 \| good	0.217 \| good
2026-10-24T11:00:00.000Z	52 \| moderate	10.325 \| good	45.705 \| good	10.086 \| good	1.009 \| good	6.314 \| good	0.221 \| good
2026-10-24T12:00:00.000Z	38 \| good	7.424 \| good	32.685 \| good	9.096 \| good	1.031 \| good	7.711 \| good	0.228 \| good
2026-10-24T13:00:00.000Z	44 \| good	8.095 \| good	35.464 \| good	10.009 \| good	1.069 \| good	9.327 \| good	0.244 \| good
2026-10-24T14:00:00.000Z	56 \| moderate	11.593 \| good	51.321 \| good	16.987 \| good	1.042 \| good	7.638 \| good	0.251 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	10.934 \| good	48.344 \| good	23.495 \| good	1.126 \| good	5.379 \| good	0.231 \| good
2026-10-24T16:00:00.000Z	49 \| good	9.127 \| good	40.438 \| good	32.964 \| good	1.211 \| good	3.853 \| good	0.214 \| good
2026-10-24T17:00:00.000Z	37 \| good	5.376 \| good	23.033 \| good	40.335 \| good	1.287 \| good	2.577 \| good	0.196 \| good
2026-10-24T18:00:00.000Z	42 \| good	5.297 \| good	23.052 \| good	44.695 \| good	1.271 \| good	1.656 \| good	0.18 \| good
2026-10-24T19:00:00.000Z	45 \| good	6.991 \| good	30.957 \| good	48.515 \| good	1.237 \| good	1.297 \| good	0.172 \| good
2026-10-24T20:00:00.000Z	47 \| good	5.619 \| good	24.01 \| good	50.865 \| good	1.174 \| good	1.258 \| good	0.169 \| good
2026-10-24T21:00:00.000Z	47 \| good	4.952 \| good	21.076 \| good	51.117 \| good	1.117 \| good	1.366 \| good	0.167 \| good
2026-10-24T22:00:00.000Z	44 \| good	6.359 \| good	28.627 \| good	48.478 \| good	1.061 \| good	2.147 \| good	0.172 \| 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 06:00:00 on 2026-10-22.

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 12:00:00 on 2026-10-22.

What is the current air quality in Columbia, Illinois?

The current air quality in Columbia, Illinois is 50, 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 9.061 μg/m³.

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

The current PM₁₀ concentration at Columbia, Illinois is 28.857 μg/m³.

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

The current carbon monoxide (CO) concentration at Columbia, Illinois is 0.196 ppm.

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

The current sulfur dioxide (SO₂) concentration at Columbia, Illinois is 1.752 ppb.

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

The current ozone (O₃) concentration at Columbia, Illinois is 54.053 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Columbia, Illinois is 6.071 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T23:00:00.000Z	45 \| good	7.113 \| good	17.786 \| good	48.934 \| good	1.372 \| good	6.11 \| good	0.238 \| good
2026-10-21T00:00:00.000Z	43 \| good	4.956 \| good	17.786 \| good	46.209 \| good	1.212 \| good	11.639 \| good	0.427 \| good
2026-10-21T01:00:00.000Z	44 \| good	7.964 \| good	25.211 \| good	39.084 \| good	0.943 \| good	13.553 \| good	0.673 \| good
2026-10-21T02:00:00.000Z	58 \| moderate	13.273 \| fine	61.636 \| fine	35.627 \| good	0.839 \| good	19.637 \| good	0.726 \| good
2026-10-21T03:00:00.000Z	60 \| moderate	13.646 \| fine	61.108 \| fine	17.154 \| good	1.195 \| good	20.704 \| good	0.267 \| good
2026-10-21T04:00:00.000Z	62 \| moderate	14.912 \| fine	37.696 \| good	22.361 \| good	0.719 \| good	29.562 \| good	0.65 \| good
2026-10-21T05:00:00.000Z	60 \| moderate	13.969 \| fine	34.411 \| good	21.07 \| good	0.714 \| good	30.113 \| good	0.833 \| good
2026-10-21T06:00:00.000Z	60 \| moderate	13.794 \| fine	31.238 \| good	15.406 \| good	0.795 \| good	29.883 \| good	0.963 \| good
2026-10-21T07:00:00.000Z	54 \| moderate	10.687 \| good	35.118 \| good	12.528 \| good	0.797 \| good	28.902 \| good	0.963 \| good
2026-10-21T08:00:00.000Z	56 \| moderate	11.76 \| good	38.788 \| good	14.264 \| good	0.797 \| good	24.188 \| good	0.963 \| good
2026-10-21T09:00:00.000Z	44 \| good	7.806 \| good	43.332 \| good	7.225 \| good	0.679 \| good	17.837 \| good	0.824 \| good
2026-10-21T10:00:00.000Z	38 \| good	6.903 \| good	32.228 \| good	8.85 \| good	0.593 \| good	17.822 \| good	0.828 \| good
2026-10-21T11:00:00.000Z	38 \| good	7.471 \| good	24.969 \| good	8.442 \| good	0.768 \| good	13.572 \| good	0.779 \| good
2026-10-21T12:00:00.000Z	44 \| good	8.181 \| good	25.873 \| good	4.285 \| good	1.015 \| good	7.29 \| good	0.875 \| good
2026-10-21T13:00:00.000Z	49 \| good	8.543 \| good	42.546 \| good	5.779 \| good	1.012 \| good	17.221 \| good	0.878 \| good
2026-10-21T14:00:00.000Z	54 \| moderate	11.211 \| good	54.724 \| good	8.47 \| good	1.14 \| good	17.848 \| good	0.996 \| good
2026-10-21T15:00:00.000Z	56 \| moderate	12.196 \| fine	43.922 \| good	10.312 \| good	1.221 \| good	25.147 \| good	0.75 \| good
2026-10-21T16:00:00.000Z	58 \| moderate	12.829 \| fine	54.883 \| good	12.796 \| good	0.961 \| good	21.929 \| good	0.571 \| good
2026-10-21T17:00:00.000Z	56 \| moderate	12.448 \| fine	48.708 \| good	27.778 \| good	2.207 \| good	19.349 \| good	0.435 \| good
2026-10-21T18:00:00.000Z	52 \| moderate	9.643 \| good	44.474 \| good	39.138 \| good	1.983 \| good	11.099 \| good	0.297 \| good
2026-10-21T19:00:00.000Z	52 \| moderate	10.085 \| good	42.788 \| good	46.333 \| good	1.917 \| good	8.847 \| good	0.286 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.264 \| good	33.245 \| good	47.887 \| good	1.361 \| good	8.902 \| good	0.244 \| good
2026-10-21T21:00:00.000Z	47 \| good	7.514 \| good	32.808 \| good	50.521 \| good	1.143 \| good	8.179 \| good	0.242 \| good
2026-10-21T22:00:00.000Z	47 \| good	6.879 \| good	24.055 \| good	50.902 \| good	1.067 \| good	8.009 \| good	0.248 \| good
2026-10-21T23:00:00.000Z	46 \| good	5.933 \| good	18.355 \| good	49.746 \| good	0.928 \| good	7.714 \| good	0.248 \| good
2026-10-22T00:00:00.000Z	42 \| good	6.217 \| good	39.418 \| good	44.864 \| good	0.755 \| good	17.111 \| good	0.293 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	10.577 \| good	40.983 \| good	45.15 \| good	0.802 \| good	33.264 \| good	0.673 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.557 \| good	37.825 \| good	40.373 \| good	0.722 \| good	35.112 \| good	0.711 \| good
2026-10-22T03:00:00.000Z	58 \| moderate	12.798 \| fine	57.295 \| fine	22.341 \| good	3.223 \| good	38.196 \| good	0.438 \| good
2026-10-22T04:00:00.000Z	60 \| moderate	13.529 \| fine	35.233 \| good	21.457 \| good	0.945 \| good	26.552 \| good	0.992 \| good
2026-10-22T05:00:00.000Z	69 \| moderate	19.413 \| fine	65.75 \| fine	24.353 \| good	0.746 \| good	25.09 \| good	0.974 \| good
2026-10-22T06:00:00.000Z	71 \| moderate	19.561 \| fine	65.545 \| fine	26.202 \| good	0.723 \| good	18.713 \| good	0.917 \| good
2026-10-22T07:00:00.000Z	57 \| moderate	10.905 \| good	67.533 \| fine	19.44 \| good	0.734 \| good	13.28 \| good	0.917 \| good
2026-10-22T08:00:00.000Z	60 \| moderate	14.251 \| fine	40.593 \| good	16.626 \| good	0.738 \| good	19.887 \| good	0.888 \| good
2026-10-22T09:00:00.000Z	58 \| moderate	12.546 \| fine	50.991 \| good	8.013 \| good	0.732 \| good	18.753 \| good	0.856 \| good
2026-10-22T10:00:00.000Z	58 \| moderate	13.397 \| fine	64.661 \| fine	6.979 \| good	0.738 \| good	16.572 \| good	0.76 \| good
2026-10-22T11:00:00.000Z	56 \| moderate	11.83 \| good	41.461 \| good	6.06 \| good	0.655 \| good	15.476 \| good	0.782 \| good
2026-10-22T12:00:00.000Z	49 \| good	9.16 \| good	44.856 \| good	6.912 \| good	0.697 \| good	17.489 \| good	0.826 \| good
2026-10-22T13:00:00.000Z	58 \| moderate	13.447 \| fine	66.496 \| fine	4.588 \| good	0.694 \| good	17.016 \| good	0.809 \| good
2026-10-22T14:00:00.000Z	58 \| moderate	12.616 \| fine	62.541 \| fine	8.881 \| good	0.762 \| good	14.809 \| good	0.851 \| good
2026-10-22T15:00:00.000Z	54 \| moderate	10.929 \| good	49.753 \| good	15.179 \| good	1.118 \| good	11.882 \| good	0.793 \| good
2026-10-22T16:00:00.000Z	56 \| moderate	11.683 \| good	60.307 \| fine	19.843 \| good	0.818 \| good	16.705 \| good	0.754 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	13.857 \| fine	63.332 \| fine	29.715 \| good	2.605 \| good	22.527 \| good	0.571 \| good
2026-10-22T18:00:00.000Z	56 \| moderate	11.65 \| good	42.403 \| good	39.9 \| good	3.351 \| good	13.364 \| good	0.523 \| good
2026-10-22T19:00:00.000Z	54 \| moderate	11.454 \| good	34.671 \| good	46.065 \| good	3.84 \| good	8.352 \| good	0.44 \| good
2026-10-22T20:00:00.000Z	52 \| moderate	9.87 \| good	33.463 \| good	48.529 \| good	2.178 \| good	7.538 \| good	0.196 \| good
2026-10-22T21:00:00.000Z	50 \| good	9.061 \| good	28.857 \| good	54.053 \| good	1.752 \| good	6.071 \| good	0.196 \| good
2026-10-22T22:00:00.000Z	50 \| good	9.061 \| good	28.857 \| good	54.053 \| good	1.752 \| good	6.071 \| good	0.196 \| good
2026-10-22T23:00:00.000Z	54 \| moderate	10.769 \| good	47.705 \| good	45.483 \| good	2.012 \| good	10.657 \| good	0.236 \| good
2026-10-23T00:00:00.000Z	52 \| moderate	9.701 \| good	43.063 \| good	35.055 \| good	2.097 \| good	19.814 \| good	0.303 \| good
2026-10-23T01:00:00.000Z	54 \| moderate	11.449 \| good	50.991 \| good	22.098 \| good	2.156 \| good	26.804 \| good	0.348 \| good
2026-10-23T02:00:00.000Z	60 \| moderate	13.637 \| fine	61.168 \| fine	19.503 \| good	2.111 \| good	29.638 \| good	0.37 \| good
2026-10-23T03:00:00.000Z	60 \| moderate	14.265 \| fine	63.388 \| fine	14.117 \| good	1.982 \| good	29.839 \| good	0.376 \| good
2026-10-23T04:00:00.000Z	58 \| moderate	12.686 \| fine	57.111 \| fine	13.394 \| good	1.828 \| good	28.955 \| good	0.375 \| good
2026-10-23T05:00:00.000Z	56 \| moderate	12.162 \| fine	54.579 \| good	14.408 \| good	1.617 \| good	26.406 \| good	0.364 \| good
2026-10-23T06:00:00.000Z	56 \| moderate	12.421 \| fine	55.981 \| fine	13.878 \| good	1.366 \| good	22.031 \| good	0.338 \| good
2026-10-23T07:00:00.000Z	58 \| moderate	12.617 \| fine	56.494 \| fine	14.338 \| good	1.167 \| good	17.837 \| good	0.308 \| good
2026-10-23T08:00:00.000Z	58 \| moderate	12.671 \| fine	56.652 \| fine	12.096 \| good	1.018 \| good	14.208 \| good	0.281 \| good
2026-10-23T09:00:00.000Z	58 \| moderate	13.066 \| fine	58.731 \| fine	11.642 \| good	0.936 \| good	11.545 \| good	0.262 \| good
2026-10-23T10:00:00.000Z	58 \| moderate	13.073 \| fine	58.731 \| fine	12.913 \| good	0.91 \| good	10.346 \| good	0.253 \| good
2026-10-23T11:00:00.000Z	60 \| moderate	13.531 \| fine	60.842 \| fine	10.828 \| good	0.921 \| good	10.281 \| good	0.252 \| good
2026-10-23T12:00:00.000Z	58 \| moderate	13.253 \| fine	60.245 \| fine	8.853 \| good	0.977 \| good	11.849 \| good	0.26 \| good
2026-10-23T13:00:00.000Z	62 \| moderate	14.682 \| fine	66.081 \| fine	12.555 \| good	1.067 \| good	13.635 \| good	0.283 \| good
2026-10-23T14:00:00.000Z	67 \| moderate	17.958 \| fine	79.969 \| fine	19.218 \| good	1.062 \| good	10.33 \| good	0.285 \| good
2026-10-23T15:00:00.000Z	64 \| moderate	16.376 \| fine	72.662 \| fine	26.745 \| good	1.203 \| good	7.342 \| good	0.255 \| good
2026-10-23T16:00:00.000Z	58 \| moderate	13.48 \| fine	60.84 \| fine	36.016 \| good	1.429 \| good	4.912 \| good	0.226 \| good
2026-10-23T17:00:00.000Z	52 \| moderate	9.814 \| good	43.841 \| good	44.646 \| good	1.699 \| good	2.991 \| good	0.202 \| good
2026-10-23T18:00:00.000Z	52 \| moderate	10.119 \| good	45.135 \| good	49.321 \| good	1.656 \| good	1.612 \| good	0.182 \| good
2026-10-23T19:00:00.000Z	52 \| moderate	10.216 \| good	45.17 \| good	51.843 \| good	1.516 \| good	1.231 \| good	0.176 \| good
2026-10-23T20:00:00.000Z	52 \| moderate	9.616 \| good	42.953 \| good	54.543 \| good	1.446 \| good	1.178 \| good	0.175 \| good
2026-10-23T21:00:00.000Z	54 \| moderate	8.512 \| good	37.249 \| good	56.235 \| fine	1.41 \| good	1.309 \| good	0.176 \| good
2026-10-23T22:00:00.000Z	49 \| good	9.421 \| good	41.815 \| good	53.494 \| good	1.373 \| good	1.89 \| good	0.18 \| good
2026-10-23T23:00:00.000Z	54 \| moderate	11.079 \| good	49.16 \| good	40.011 \| good	1.288 \| good	4.893 \| good	0.202 \| good
2026-10-24T00:00:00.000Z	52 \| moderate	9.87 \| good	43.922 \| good	29.496 \| good	1.248 \| good	7.617 \| good	0.222 \| good
2026-10-24T01:00:00.000Z	52 \| moderate	10.143 \| good	44.991 \| good	22.671 \| good	1.22 \| good	7.83 \| good	0.221 \| good
2026-10-24T02:00:00.000Z	56 \| moderate	11.697 \| good	51.821 \| good	22.193 \| good	1.199 \| good	7.529 \| good	0.219 \| good
2026-10-24T03:00:00.000Z	60 \| moderate	13.59 \| fine	60.817 \| fine	20.134 \| good	1.183 \| good	7.009 \| good	0.216 \| good
2026-10-24T04:00:00.000Z	60 \| moderate	13.681 \| fine	61.982 \| fine	19.629 \| good	1.173 \| good	6.555 \| good	0.214 \| good
2026-10-24T05:00:00.000Z	58 \| moderate	13.092 \| fine	58.592 \| fine	18.495 \| good	1.149 \| good	5.951 \| good	0.213 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	12.912 \| fine	58.291 \| fine	15.919 \| good	1.115 \| good	5.371 \| good	0.212 \| good
2026-10-24T07:00:00.000Z	54 \| moderate	10.972 \| good	48.547 \| good	13.12 \| good	1.087 \| good	5.144 \| good	0.212 \| good
2026-10-24T08:00:00.000Z	54 \| moderate	10.791 \| good	47.616 \| good	11.671 \| good	1.058 \| good	5.161 \| good	0.213 \| good
2026-10-24T09:00:00.000Z	54 \| moderate	10.667 \| good	47.496 \| good	10.799 \| good	1.033 \| good	5.408 \| good	0.215 \| good
2026-10-24T10:00:00.000Z	52 \| moderate	10.38 \| good	45.887 \| good	9.809 \| good	1.016 \| good	5.768 \| good	0.217 \| good
2026-10-24T11:00:00.000Z	52 \| moderate	10.325 \| good	45.705 \| good	10.086 \| good	1.009 \| good	6.314 \| good	0.221 \| good
2026-10-24T12:00:00.000Z	38 \| good	7.424 \| good	32.685 \| good	9.096 \| good	1.031 \| good	7.711 \| good	0.228 \| good
2026-10-24T13:00:00.000Z	44 \| good	8.095 \| good	35.464 \| good	10.009 \| good	1.069 \| good	9.327 \| good	0.244 \| good
2026-10-24T14:00:00.000Z	56 \| moderate	11.593 \| good	51.321 \| good	16.987 \| good	1.042 \| good	7.638 \| good	0.251 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	10.934 \| good	48.344 \| good	23.495 \| good	1.126 \| good	5.379 \| good	0.231 \| good
2026-10-24T16:00:00.000Z	49 \| good	9.127 \| good	40.438 \| good	32.964 \| good	1.211 \| good	3.853 \| good	0.214 \| good
2026-10-24T17:00:00.000Z	37 \| good	5.376 \| good	23.033 \| good	40.335 \| good	1.287 \| good	2.577 \| good	0.196 \| good
2026-10-24T18:00:00.000Z	42 \| good	5.297 \| good	23.052 \| good	44.695 \| good	1.271 \| good	1.656 \| good	0.18 \| good
2026-10-24T19:00:00.000Z	45 \| good	6.991 \| good	30.957 \| good	48.515 \| good	1.237 \| good	1.297 \| good	0.172 \| good
2026-10-24T20:00:00.000Z	47 \| good	5.619 \| good	24.01 \| good	50.865 \| good	1.174 \| good	1.258 \| good	0.169 \| good
2026-10-24T21:00:00.000Z	47 \| good	4.952 \| good	21.076 \| good	51.117 \| good	1.117 \| good	1.366 \| good	0.167 \| good
2026-10-24T22:00:00.000Z	44 \| good	6.359 \| good	28.627 \| good	48.478 \| good	1.061 \| good	2.147 \| good	0.172 \| 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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Air quality in nearby cities

Oakville, Missouri

Lemay, Missouri

Waterloo, Illinois

Mehlville, Missouri

Cahokia Heights, Illinois

Arnold, Missouri

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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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