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

The current PM10 concentration at Columbia, Illinois is 19.919 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Columbia, Illinois is 0.76 ppb.

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

The current ozone (O3) concentration at Columbia, Illinois is 44.609 ppm.

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

The current nitrogen dioxide (NO2) concentration at Columbia, Illinois is 3.917 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 4.117 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)

4.48 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.84 μg/m³

155

255

425

605+

Ozone (O₃)

42.10 ppb

201

201+

Sulfur Dioxide (SO₂)

0.66 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.81 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-10-04T01:00:00.000Z	54 \| moderate	10.661 \| good	46.649 \| good	24.276 \| good	0.746 \| good	14.128 \| good	0.399 \| good
2026-10-04T02:00:00.000Z	62 \| moderate	15.311 \| fine	63.009 \| fine	20.913 \| good	0.773 \| good	17.279 \| good	0.595 \| good
2026-10-04T03:00:00.000Z	49 \| good	9.479 \| good	42.07 \| good	23.816 \| good	1.101 \| good	17.331 \| good	0.229 \| good
2026-10-04T04:00:00.000Z	73 \| moderate	21.057 \| fine	81.038 \| fine	13.546 \| good	0.976 \| good	19.514 \| good	0.792 \| good
2026-10-04T05:00:00.000Z	71 \| moderate	20.427 \| fine	78.879 \| fine	9.841 \| good	0.864 \| good	17.799 \| good	0.834 \| good
2026-10-04T06:00:00.000Z	71 \| moderate	19.825 \| fine	76.878 \| fine	8.827 \| good	0.793 \| good	17.667 \| good	0.734 \| good
2026-10-04T07:00:00.000Z	71 \| moderate	19.825 \| fine	76.878 \| fine	10.54 \| good	0.788 \| good	17.272 \| good	0.734 \| good
2026-10-04T08:00:00.000Z	71 \| moderate	19.559 \| fine	75.738 \| fine	12.61 \| good	0.785 \| good	17.14 \| good	0.733 \| good
2026-10-04T09:00:00.000Z	67 \| moderate	18.166 \| fine	71.186 \| fine	5.29 \| good	0.594 \| good	13.882 \| good	0.731 \| good
2026-10-04T10:00:00.000Z	62 \| moderate	15.333 \| fine	62.257 \| fine	6.885 \| good	0.531 \| good	14.251 \| good	0.681 \| good
2026-10-04T11:00:00.000Z	58 \| moderate	12.575 \| fine	50.335 \| good	8.158 \| good	0.501 \| good	12.981 \| good	0.681 \| good
2026-10-04T12:00:00.000Z	54 \| moderate	10.918 \| good	43.662 \| good	5.573 \| good	0.458 \| good	12.03 \| good	0.434 \| good
2026-10-04T13:00:00.000Z	81 \| moderate	24.82 \| fine	107.862 \| fine	15.579 \| good	1.271 \| good	17.659 \| good	0.317 \| good
2026-10-04T14:00:00.000Z	49 \| good	9.414 \| good	39.135 \| good	7.97 \| good	0.651 \| good	8.466 \| good	0.436 \| good
2026-10-04T15:00:00.000Z	44 \| good	8.159 \| good	32.296 \| good	15.426 \| good	0.645 \| good	6.541 \| good	0.252 \| good
2026-10-04T16:00:00.000Z	33 \| good	5.896 \| good	23.06 \| good	19.814 \| good	1.536 \| good	4.941 \| good	0.251 \| good
2026-10-04T17:00:00.000Z	33 \| good	5.603 \| good	22.699 \| good	26.285 \| good	1.195 \| good	3.578 \| good	0.198 \| good
2026-10-04T18:00:00.000Z	32 \| good	4.907 \| good	21.462 \| good	34.561 \| good	1.451 \| good	3.487 \| good	0.198 \| good
2026-10-04T19:00:00.000Z	35 \| good	5.943 \| good	26.244 \| good	37.701 \| good	1.176 \| good	2.97 \| good	0.198 \| good
2026-10-04T20:00:00.000Z	38 \| good	6.659 \| good	32.087 \| good	40.837 \| good	1.254 \| good	3.344 \| good	0.198 \| good
2026-10-04T21:00:00.000Z	40 \| good	5.891 \| good	26.206 \| good	42.945 \| good	1.186 \| good	5.014 \| good	0.199 \| good
2026-10-04T22:00:00.000Z	39 \| good	5.177 \| good	22.312 \| good	42.187 \| good	0.99 \| good	3.404 \| good	0.199 \| good
2026-10-04T23:00:00.000Z	36 \| good	4.253 \| good	17.415 \| good	39 \| good	0.871 \| good	3.875 \| good	0.154 \| good
2026-10-05T00:00:00.000Z	34 \| good	4.126 \| good	17.532 \| good	37.094 \| good	0.793 \| good	6.151 \| good	0.2 \| good
2026-10-05T01:00:00.000Z	33 \| good	4.887 \| good	22.001 \| good	36.091 \| good	0.752 \| good	6.574 \| good	0.254 \| good
2026-10-05T02:00:00.000Z	31 \| good	2.364 \| good	10.445 \| good	33.388 \| good	0.599 \| good	6.677 \| good	0.256 \| good
2026-10-05T03:00:00.000Z	22 \| good	3.754 \| good	16.151 \| good	23.448 \| good	0.664 \| good	7.398 \| good	0.184 \| good
2026-10-05T04:00:00.000Z	22 \| good	2.518 \| good	13.059 \| good	24.384 \| good	0.576 \| good	6.175 \| good	0.161 \| good
2026-10-05T05:00:00.000Z	22 \| good	2.941 \| good	14.877 \| good	23.948 \| good	0.565 \| good	5.838 \| good	0.158 \| good
2026-10-05T06:00:00.000Z	20 \| good	3.182 \| good	15.609 \| good	21.651 \| good	0.702 \| good	5.626 \| good	0.156 \| good
2026-10-05T07:00:00.000Z	19 \| good	3.182 \| good	15.609 \| good	20.243 \| good	0.701 \| good	5.629 \| good	0.157 \| good
2026-10-05T08:00:00.000Z	20 \| good	3.201 \| good	15.799 \| good	21.597 \| good	0.7 \| good	5.639 \| good	0.157 \| good
2026-10-05T09:00:00.000Z	16 \| good	3.201 \| good	15.799 \| good	16.549 \| good	0.61 \| good	6.784 \| good	0.216 \| good
2026-10-05T10:00:00.000Z	22 \| good	3.568 \| good	15.144 \| good	15.904 \| good	0.55 \| good	7.495 \| good	0.155 \| good
2026-10-05T11:00:00.000Z	16 \| good	2.978 \| good	13.081 \| good	14.702 \| good	0.585 \| good	8.023 \| good	0.249 \| good
2026-10-05T12:00:00.000Z	22 \| good	4.023 \| good	16.269 \| good	13.73 \| good	0.56 \| good	12.317 \| good	0.249 \| good
2026-10-05T13:00:00.000Z	22 \| good	4.123 \| good	18.692 \| good	14.346 \| good	0.523 \| good	15.743 \| good	0.389 \| good
2026-10-05T14:00:00.000Z	27 \| good	4.97 \| good	23.387 \| good	14.185 \| good	1.684 \| good	13.533 \| good	0.303 \| good
2026-10-05T15:00:00.000Z	27 \| good	5.109 \| good	23.924 \| good	17.432 \| good	3.277 \| good	11.158 \| good	0.297 \| good
2026-10-05T16:00:00.000Z	27 \| good	4.566 \| good	22.077 \| good	21.982 \| good	1.159 \| good	7.968 \| good	0.245 \| good
2026-10-05T17:00:00.000Z	25 \| good	4.353 \| good	19.972 \| good	26.53 \| good	0.768 \| good	6.127 \| good	0.198 \| good
2026-10-05T18:00:00.000Z	31 \| good	4.1 \| good	19.027 \| good	32.787 \| good	0.738 \| good	4.132 \| good	0.198 \| good
2026-10-05T19:00:00.000Z	34 \| good	2.903 \| good	15.242 \| good	37.473 \| good	1.287 \| good	5.103 \| good	0.197 \| good
2026-10-05T20:00:00.000Z	39 \| good	3.176 \| good	16.625 \| good	42.202 \| good	1.178 \| good	4.12 \| good	0.198 \| good
2026-10-05T21:00:00.000Z	40 \| good	4.427 \| good	19.976 \| good	43.378 \| good	0.927 \| good	4.883 \| good	0.197 \| good
2026-10-05T22:00:00.000Z	42 \| good	4.117 \| good	19.919 \| good	44.609 \| good	0.76 \| good	3.917 \| good	0.197 \| good
2026-10-05T23:00:00.000Z	39 \| good	4.518 \| good	21.1 \| good	42.314 \| good	1.011 \| good	4.217 \| good	0.198 \| good
2026-10-06T00:00:00.000Z	39 \| good	4.482 \| good	20.843 \| good	42.098 \| good	0.658 \| good	8.815 \| good	0.2 \| good
2026-10-06T00:00:00.000Z	39 \| good	4.482 \| good	20.843 \| good	42.098 \| good	0.658 \| good	8.815 \| good	0.2 \| good
2026-10-06T00:00:00.000Z	49 \| good	9.434 \| good	42.123 \| good	27.06 \| good	1.341 \| good	9.893 \| good	0.226 \| good
2026-10-06T01:00:00.000Z	56 \| moderate	11.975 \| good	53.675 \| good	19.649 \| good	1.368 \| good	13.804 \| good	0.253 \| good
2026-10-06T02:00:00.000Z	64 \| moderate	15.693 \| fine	70.148 \| fine	18.525 \| good	1.353 \| good	14.971 \| good	0.258 \| good
2026-10-06T03:00:00.000Z	64 \| moderate	15.689 \| fine	70.103 \| fine	19.241 \| good	1.299 \| good	15.18 \| good	0.257 \| good
2026-10-06T04:00:00.000Z	56 \| moderate	12.289 \| fine	55.778 \| fine	18.129 \| good	1.221 \| good	14.859 \| good	0.254 \| good
2026-10-06T05:00:00.000Z	52 \| moderate	10.175 \| good	45.01 \| good	17.494 \| good	1.131 \| good	13.698 \| good	0.249 \| good
2026-10-06T06:00:00.000Z	56 \| moderate	11.668 \| good	51.866 \| good	14.34 \| good	1.054 \| good	12.111 \| good	0.243 \| good
2026-10-06T07:00:00.000Z	52 \| moderate	10.382 \| good	45.963 \| good	15.076 \| good	1.013 \| good	11.11 \| good	0.238 \| good
2026-10-06T08:00:00.000Z	56 \| moderate	11.749 \| good	52.267 \| good	13.33 \| good	0.995 \| good	10.662 \| good	0.235 \| good
2026-10-06T09:00:00.000Z	49 \| good	9.212 \| good	40.887 \| good	12.406 \| good	0.987 \| good	10.536 \| good	0.235 \| good
2026-10-06T10:00:00.000Z	38 \| good	7.451 \| good	32.992 \| good	13.763 \| good	0.987 \| good	10.456 \| good	0.234 \| good
2026-10-06T11:00:00.000Z	33 \| good	5.676 \| good	24.702 \| good	9.941 \| good	0.995 \| good	10.578 \| good	0.234 \| good
2026-10-06T12:00:00.000Z	38 \| good	7.28 \| good	32.054 \| good	8.713 \| good	1.024 \| good	11.614 \| good	0.241 \| good
2026-10-06T13:00:00.000Z	22 \| good	4.416 \| good	19.21 \| good	14.217 \| good	1.046 \| good	11.059 \| good	0.257 \| good
2026-10-06T14:00:00.000Z	22 \| good	4.342 \| good	19.115 \| good	22.168 \| good	1.073 \| good	8.043 \| good	0.247 \| good
2026-10-06T15:00:00.000Z	26 \| good	3.451 \| good	15.056 \| good	28.439 \| good	1.189 \| good	5.314 \| good	0.216 \| good
2026-10-06T16:00:00.000Z	35 \| good	4.844 \| good	21.082 \| good	37.818 \| good	1.495 \| good	3.25 \| good	0.19 \| good
2026-10-06T17:00:00.000Z	43 \| good	4.416 \| good	19.161 \| good	46.042 \| good	1.628 \| good	1.784 \| good	0.17 \| good
2026-10-06T18:00:00.000Z	48 \| good	4.535 \| good	19.875 \| good	52.295 \| good	1.595 \| good	1.285 \| good	0.163 \| good
2026-10-06T19:00:00.000Z	61 \| moderate	5.696 \| good	24.359 \| good	58.26 \| fine	1.515 \| good	1.115 \| good	0.161 \| good
2026-10-06T20:00:00.000Z	67 \| moderate	3.238 \| good	14.162 \| good	59.571 \| fine	1.472 \| good	1.11 \| good	0.161 \| good
2026-10-06T21:00:00.000Z	61 \| moderate	2.961 \| good	12.108 \| good	57.834 \| fine	1.452 \| good	1.211 \| good	0.16 \| good
2026-10-06T22:00:00.000Z	48 \| good	2.715 \| good	11.085 \| good	52.258 \| good	1.445 \| good	1.486 \| good	0.161 \| good
2026-10-06T23:00:00.000Z	39 \| good	5.228 \| good	22.62 \| good	42.074 \| good	1.362 \| good	3.843 \| good	0.177 \| good
2026-10-07T00:00:00.000Z	33 \| good	6.173 \| good	27.369 \| good	34.257 \| good	1.316 \| good	8.533 \| good	0.215 \| good
2026-10-07T01:00:00.000Z	33 \| good	5.703 \| good	24.518 \| good	29.083 \| good	1.228 \| good	9.28 \| good	0.219 \| good
2026-10-07T02:00:00.000Z	33 \| good	6.489 \| good	28.666 \| good	29.55 \| good	1.104 \| good	8.048 \| good	0.206 \| good
2026-10-07T03:00:00.000Z	44 \| good	7.66 \| good	33.82 \| good	28.572 \| good	0.985 \| good	6.649 \| good	0.191 \| good
2026-10-07T04:00:00.000Z	44 \| good	8.051 \| good	35.598 \| good	28.515 \| good	0.894 \| good	5.67 \| good	0.181 \| good
2026-10-07T05:00:00.000Z	44 \| good	8.057 \| good	35.543 \| good	28.527 \| good	0.82 \| good	4.852 \| good	0.176 \| good
2026-10-07T06:00:00.000Z	52 \| moderate	9.895 \| good	44.273 \| good	26.476 \| good	0.76 \| good	4.09 \| good	0.172 \| good
2026-10-07T07:00:00.000Z	49 \| good	9.138 \| good	40.379 \| good	23.455 \| good	0.719 \| good	3.584 \| good	0.169 \| good
2026-10-07T08:00:00.000Z	54 \| moderate	10.546 \| good	46.641 \| good	22.408 \| good	0.691 \| good	3.292 \| good	0.167 \| good
2026-10-07T09:00:00.000Z	44 \| good	7.682 \| good	33.42 \| good	20.707 \| good	0.676 \| good	3.221 \| good	0.166 \| good
2026-10-07T10:00:00.000Z	38 \| good	7.285 \| good	32.379 \| good	22.397 \| good	0.671 \| good	3.346 \| good	0.166 \| good
2026-10-07T11:00:00.000Z	38 \| good	6.834 \| good	30.35 \| good	20.529 \| good	0.679 \| good	3.635 \| good	0.167 \| good
2026-10-07T12:00:00.000Z	44 \| good	7.501 \| good	33.07 \| good	18.432 \| good	0.707 \| good	4.424 \| good	0.171 \| good
2026-10-07T13:00:00.000Z	33 \| good	6.488 \| good	28.699 \| good	22.282 \| good	0.745 \| good	5.064 \| good	0.179 \| good
2026-10-07T14:00:00.000Z	33 \| good	5.933 \| good	26.457 \| good	30.427 \| good	0.791 \| good	4.868 \| good	0.189 \| good
2026-10-07T15:00:00.000Z	36 \| good	5.909 \| good	25.96 \| good	38.864 \| good	0.914 \| good	3.525 \| good	0.182 \| good
2026-10-07T16:00:00.000Z	44 \| good	6.745 \| good	29.573 \| good	47.579 \| good	1.193 \| good	2.531 \| good	0.177 \| good
2026-10-07T17:00:00.000Z	47 \| good	7.425 \| good	32.644 \| good	51.212 \| good	1.442 \| good	1.701 \| good	0.17 \| good
2026-10-07T18:00:00.000Z	48 \| good	7.05 \| good	30.971 \| good	52.404 \| good	1.543 \| good	1.272 \| good	0.164 \| good
2026-10-07T19:00:00.000Z	51 \| moderate	7.032 \| good	31.422 \| good	54.65 \| good	1.42 \| good	1.098 \| good	0.161 \| good
2026-10-07T20:00:00.000Z	51 \| moderate	5.534 \| good	23.866 \| good	54.938 \| good	1.335 \| good	1.085 \| good	0.159 \| good
2026-10-07T21:00:00.000Z	54 \| moderate	5.879 \| good	25.336 \| good	56.181 \| fine	1.29 \| good	1.192 \| good	0.159 \| good
2026-10-07T22:00:00.000Z	54 \| moderate	5.982 \| good	26.57 \| good	56.295 \| fine	1.282 \| good	1.491 \| good	0.159 \| good
2026-10-07T23:00:00.000Z	42 \| good	6.98 \| good	31.189 \| good	45.342 \| good	1.255 \| good	3.589 \| good	0.175 \| good

Columbia

Get reliable air quality data to drive your business

Columbia, Illinois air quality map: Track AQI near you

0.19ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 10:00:00 on 2026-10-05.

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 2026-10-05.

What is the current air quality in Columbia, Illinois?

The current air quality in Columbia, Illinois is 42, 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 4.117 μg/m³.

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

The current PM₁₀ concentration at Columbia, Illinois is 19.919 μg/m³.

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

The current carbon monoxide (CO) concentration at Columbia, Illinois is 0.197 ppm.

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

The current sulfur dioxide (SO₂) concentration at Columbia, Illinois is 0.76 ppb.

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

The current ozone (O₃) concentration at Columbia, Illinois is 44.609 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Columbia, Illinois is 3.917 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-04T01:00:00.000Z	54 \| moderate	10.661 \| good	46.649 \| good	24.276 \| good	0.746 \| good	14.128 \| good	0.399 \| good
2026-10-04T02:00:00.000Z	62 \| moderate	15.311 \| fine	63.009 \| fine	20.913 \| good	0.773 \| good	17.279 \| good	0.595 \| good
2026-10-04T03:00:00.000Z	49 \| good	9.479 \| good	42.07 \| good	23.816 \| good	1.101 \| good	17.331 \| good	0.229 \| good
2026-10-04T04:00:00.000Z	73 \| moderate	21.057 \| fine	81.038 \| fine	13.546 \| good	0.976 \| good	19.514 \| good	0.792 \| good
2026-10-04T05:00:00.000Z	71 \| moderate	20.427 \| fine	78.879 \| fine	9.841 \| good	0.864 \| good	17.799 \| good	0.834 \| good
2026-10-04T06:00:00.000Z	71 \| moderate	19.825 \| fine	76.878 \| fine	8.827 \| good	0.793 \| good	17.667 \| good	0.734 \| good
2026-10-04T07:00:00.000Z	71 \| moderate	19.825 \| fine	76.878 \| fine	10.54 \| good	0.788 \| good	17.272 \| good	0.734 \| good
2026-10-04T08:00:00.000Z	71 \| moderate	19.559 \| fine	75.738 \| fine	12.61 \| good	0.785 \| good	17.14 \| good	0.733 \| good
2026-10-04T09:00:00.000Z	67 \| moderate	18.166 \| fine	71.186 \| fine	5.29 \| good	0.594 \| good	13.882 \| good	0.731 \| good
2026-10-04T10:00:00.000Z	62 \| moderate	15.333 \| fine	62.257 \| fine	6.885 \| good	0.531 \| good	14.251 \| good	0.681 \| good
2026-10-04T11:00:00.000Z	58 \| moderate	12.575 \| fine	50.335 \| good	8.158 \| good	0.501 \| good	12.981 \| good	0.681 \| good
2026-10-04T12:00:00.000Z	54 \| moderate	10.918 \| good	43.662 \| good	5.573 \| good	0.458 \| good	12.03 \| good	0.434 \| good
2026-10-04T13:00:00.000Z	81 \| moderate	24.82 \| fine	107.862 \| fine	15.579 \| good	1.271 \| good	17.659 \| good	0.317 \| good
2026-10-04T14:00:00.000Z	49 \| good	9.414 \| good	39.135 \| good	7.97 \| good	0.651 \| good	8.466 \| good	0.436 \| good
2026-10-04T15:00:00.000Z	44 \| good	8.159 \| good	32.296 \| good	15.426 \| good	0.645 \| good	6.541 \| good	0.252 \| good
2026-10-04T16:00:00.000Z	33 \| good	5.896 \| good	23.06 \| good	19.814 \| good	1.536 \| good	4.941 \| good	0.251 \| good
2026-10-04T17:00:00.000Z	33 \| good	5.603 \| good	22.699 \| good	26.285 \| good	1.195 \| good	3.578 \| good	0.198 \| good
2026-10-04T18:00:00.000Z	32 \| good	4.907 \| good	21.462 \| good	34.561 \| good	1.451 \| good	3.487 \| good	0.198 \| good
2026-10-04T19:00:00.000Z	35 \| good	5.943 \| good	26.244 \| good	37.701 \| good	1.176 \| good	2.97 \| good	0.198 \| good
2026-10-04T20:00:00.000Z	38 \| good	6.659 \| good	32.087 \| good	40.837 \| good	1.254 \| good	3.344 \| good	0.198 \| good
2026-10-04T21:00:00.000Z	40 \| good	5.891 \| good	26.206 \| good	42.945 \| good	1.186 \| good	5.014 \| good	0.199 \| good
2026-10-04T22:00:00.000Z	39 \| good	5.177 \| good	22.312 \| good	42.187 \| good	0.99 \| good	3.404 \| good	0.199 \| good
2026-10-04T23:00:00.000Z	36 \| good	4.253 \| good	17.415 \| good	39 \| good	0.871 \| good	3.875 \| good	0.154 \| good
2026-10-05T00:00:00.000Z	34 \| good	4.126 \| good	17.532 \| good	37.094 \| good	0.793 \| good	6.151 \| good	0.2 \| good
2026-10-05T01:00:00.000Z	33 \| good	4.887 \| good	22.001 \| good	36.091 \| good	0.752 \| good	6.574 \| good	0.254 \| good
2026-10-05T02:00:00.000Z	31 \| good	2.364 \| good	10.445 \| good	33.388 \| good	0.599 \| good	6.677 \| good	0.256 \| good
2026-10-05T03:00:00.000Z	22 \| good	3.754 \| good	16.151 \| good	23.448 \| good	0.664 \| good	7.398 \| good	0.184 \| good
2026-10-05T04:00:00.000Z	22 \| good	2.518 \| good	13.059 \| good	24.384 \| good	0.576 \| good	6.175 \| good	0.161 \| good
2026-10-05T05:00:00.000Z	22 \| good	2.941 \| good	14.877 \| good	23.948 \| good	0.565 \| good	5.838 \| good	0.158 \| good
2026-10-05T06:00:00.000Z	20 \| good	3.182 \| good	15.609 \| good	21.651 \| good	0.702 \| good	5.626 \| good	0.156 \| good
2026-10-05T07:00:00.000Z	19 \| good	3.182 \| good	15.609 \| good	20.243 \| good	0.701 \| good	5.629 \| good	0.157 \| good
2026-10-05T08:00:00.000Z	20 \| good	3.201 \| good	15.799 \| good	21.597 \| good	0.7 \| good	5.639 \| good	0.157 \| good
2026-10-05T09:00:00.000Z	16 \| good	3.201 \| good	15.799 \| good	16.549 \| good	0.61 \| good	6.784 \| good	0.216 \| good
2026-10-05T10:00:00.000Z	22 \| good	3.568 \| good	15.144 \| good	15.904 \| good	0.55 \| good	7.495 \| good	0.155 \| good
2026-10-05T11:00:00.000Z	16 \| good	2.978 \| good	13.081 \| good	14.702 \| good	0.585 \| good	8.023 \| good	0.249 \| good
2026-10-05T12:00:00.000Z	22 \| good	4.023 \| good	16.269 \| good	13.73 \| good	0.56 \| good	12.317 \| good	0.249 \| good
2026-10-05T13:00:00.000Z	22 \| good	4.123 \| good	18.692 \| good	14.346 \| good	0.523 \| good	15.743 \| good	0.389 \| good
2026-10-05T14:00:00.000Z	27 \| good	4.97 \| good	23.387 \| good	14.185 \| good	1.684 \| good	13.533 \| good	0.303 \| good
2026-10-05T15:00:00.000Z	27 \| good	5.109 \| good	23.924 \| good	17.432 \| good	3.277 \| good	11.158 \| good	0.297 \| good
2026-10-05T16:00:00.000Z	27 \| good	4.566 \| good	22.077 \| good	21.982 \| good	1.159 \| good	7.968 \| good	0.245 \| good
2026-10-05T17:00:00.000Z	25 \| good	4.353 \| good	19.972 \| good	26.53 \| good	0.768 \| good	6.127 \| good	0.198 \| good
2026-10-05T18:00:00.000Z	31 \| good	4.1 \| good	19.027 \| good	32.787 \| good	0.738 \| good	4.132 \| good	0.198 \| good
2026-10-05T19:00:00.000Z	34 \| good	2.903 \| good	15.242 \| good	37.473 \| good	1.287 \| good	5.103 \| good	0.197 \| good
2026-10-05T20:00:00.000Z	39 \| good	3.176 \| good	16.625 \| good	42.202 \| good	1.178 \| good	4.12 \| good	0.198 \| good
2026-10-05T21:00:00.000Z	40 \| good	4.427 \| good	19.976 \| good	43.378 \| good	0.927 \| good	4.883 \| good	0.197 \| good
2026-10-05T22:00:00.000Z	42 \| good	4.117 \| good	19.919 \| good	44.609 \| good	0.76 \| good	3.917 \| good	0.197 \| good
2026-10-05T23:00:00.000Z	39 \| good	4.518 \| good	21.1 \| good	42.314 \| good	1.011 \| good	4.217 \| good	0.198 \| good
2026-10-06T00:00:00.000Z	39 \| good	4.482 \| good	20.843 \| good	42.098 \| good	0.658 \| good	8.815 \| good	0.2 \| good
2026-10-06T00:00:00.000Z	39 \| good	4.482 \| good	20.843 \| good	42.098 \| good	0.658 \| good	8.815 \| good	0.2 \| good
2026-10-06T00:00:00.000Z	49 \| good	9.434 \| good	42.123 \| good	27.06 \| good	1.341 \| good	9.893 \| good	0.226 \| good
2026-10-06T01:00:00.000Z	56 \| moderate	11.975 \| good	53.675 \| good	19.649 \| good	1.368 \| good	13.804 \| good	0.253 \| good
2026-10-06T02:00:00.000Z	64 \| moderate	15.693 \| fine	70.148 \| fine	18.525 \| good	1.353 \| good	14.971 \| good	0.258 \| good
2026-10-06T03:00:00.000Z	64 \| moderate	15.689 \| fine	70.103 \| fine	19.241 \| good	1.299 \| good	15.18 \| good	0.257 \| good
2026-10-06T04:00:00.000Z	56 \| moderate	12.289 \| fine	55.778 \| fine	18.129 \| good	1.221 \| good	14.859 \| good	0.254 \| good
2026-10-06T05:00:00.000Z	52 \| moderate	10.175 \| good	45.01 \| good	17.494 \| good	1.131 \| good	13.698 \| good	0.249 \| good
2026-10-06T06:00:00.000Z	56 \| moderate	11.668 \| good	51.866 \| good	14.34 \| good	1.054 \| good	12.111 \| good	0.243 \| good
2026-10-06T07:00:00.000Z	52 \| moderate	10.382 \| good	45.963 \| good	15.076 \| good	1.013 \| good	11.11 \| good	0.238 \| good
2026-10-06T08:00:00.000Z	56 \| moderate	11.749 \| good	52.267 \| good	13.33 \| good	0.995 \| good	10.662 \| good	0.235 \| good
2026-10-06T09:00:00.000Z	49 \| good	9.212 \| good	40.887 \| good	12.406 \| good	0.987 \| good	10.536 \| good	0.235 \| good
2026-10-06T10:00:00.000Z	38 \| good	7.451 \| good	32.992 \| good	13.763 \| good	0.987 \| good	10.456 \| good	0.234 \| good
2026-10-06T11:00:00.000Z	33 \| good	5.676 \| good	24.702 \| good	9.941 \| good	0.995 \| good	10.578 \| good	0.234 \| good
2026-10-06T12:00:00.000Z	38 \| good	7.28 \| good	32.054 \| good	8.713 \| good	1.024 \| good	11.614 \| good	0.241 \| good
2026-10-06T13:00:00.000Z	22 \| good	4.416 \| good	19.21 \| good	14.217 \| good	1.046 \| good	11.059 \| good	0.257 \| good
2026-10-06T14:00:00.000Z	22 \| good	4.342 \| good	19.115 \| good	22.168 \| good	1.073 \| good	8.043 \| good	0.247 \| good
2026-10-06T15:00:00.000Z	26 \| good	3.451 \| good	15.056 \| good	28.439 \| good	1.189 \| good	5.314 \| good	0.216 \| good
2026-10-06T16:00:00.000Z	35 \| good	4.844 \| good	21.082 \| good	37.818 \| good	1.495 \| good	3.25 \| good	0.19 \| good
2026-10-06T17:00:00.000Z	43 \| good	4.416 \| good	19.161 \| good	46.042 \| good	1.628 \| good	1.784 \| good	0.17 \| good
2026-10-06T18:00:00.000Z	48 \| good	4.535 \| good	19.875 \| good	52.295 \| good	1.595 \| good	1.285 \| good	0.163 \| good
2026-10-06T19:00:00.000Z	61 \| moderate	5.696 \| good	24.359 \| good	58.26 \| fine	1.515 \| good	1.115 \| good	0.161 \| good
2026-10-06T20:00:00.000Z	67 \| moderate	3.238 \| good	14.162 \| good	59.571 \| fine	1.472 \| good	1.11 \| good	0.161 \| good
2026-10-06T21:00:00.000Z	61 \| moderate	2.961 \| good	12.108 \| good	57.834 \| fine	1.452 \| good	1.211 \| good	0.16 \| good
2026-10-06T22:00:00.000Z	48 \| good	2.715 \| good	11.085 \| good	52.258 \| good	1.445 \| good	1.486 \| good	0.161 \| good
2026-10-06T23:00:00.000Z	39 \| good	5.228 \| good	22.62 \| good	42.074 \| good	1.362 \| good	3.843 \| good	0.177 \| good
2026-10-07T00:00:00.000Z	33 \| good	6.173 \| good	27.369 \| good	34.257 \| good	1.316 \| good	8.533 \| good	0.215 \| good
2026-10-07T01:00:00.000Z	33 \| good	5.703 \| good	24.518 \| good	29.083 \| good	1.228 \| good	9.28 \| good	0.219 \| good
2026-10-07T02:00:00.000Z	33 \| good	6.489 \| good	28.666 \| good	29.55 \| good	1.104 \| good	8.048 \| good	0.206 \| good
2026-10-07T03:00:00.000Z	44 \| good	7.66 \| good	33.82 \| good	28.572 \| good	0.985 \| good	6.649 \| good	0.191 \| good
2026-10-07T04:00:00.000Z	44 \| good	8.051 \| good	35.598 \| good	28.515 \| good	0.894 \| good	5.67 \| good	0.181 \| good
2026-10-07T05:00:00.000Z	44 \| good	8.057 \| good	35.543 \| good	28.527 \| good	0.82 \| good	4.852 \| good	0.176 \| good
2026-10-07T06:00:00.000Z	52 \| moderate	9.895 \| good	44.273 \| good	26.476 \| good	0.76 \| good	4.09 \| good	0.172 \| good
2026-10-07T07:00:00.000Z	49 \| good	9.138 \| good	40.379 \| good	23.455 \| good	0.719 \| good	3.584 \| good	0.169 \| good
2026-10-07T08:00:00.000Z	54 \| moderate	10.546 \| good	46.641 \| good	22.408 \| good	0.691 \| good	3.292 \| good	0.167 \| good
2026-10-07T09:00:00.000Z	44 \| good	7.682 \| good	33.42 \| good	20.707 \| good	0.676 \| good	3.221 \| good	0.166 \| good
2026-10-07T10:00:00.000Z	38 \| good	7.285 \| good	32.379 \| good	22.397 \| good	0.671 \| good	3.346 \| good	0.166 \| good
2026-10-07T11:00:00.000Z	38 \| good	6.834 \| good	30.35 \| good	20.529 \| good	0.679 \| good	3.635 \| good	0.167 \| good
2026-10-07T12:00:00.000Z	44 \| good	7.501 \| good	33.07 \| good	18.432 \| good	0.707 \| good	4.424 \| good	0.171 \| good
2026-10-07T13:00:00.000Z	33 \| good	6.488 \| good	28.699 \| good	22.282 \| good	0.745 \| good	5.064 \| good	0.179 \| good
2026-10-07T14:00:00.000Z	33 \| good	5.933 \| good	26.457 \| good	30.427 \| good	0.791 \| good	4.868 \| good	0.189 \| good
2026-10-07T15:00:00.000Z	36 \| good	5.909 \| good	25.96 \| good	38.864 \| good	0.914 \| good	3.525 \| good	0.182 \| good
2026-10-07T16:00:00.000Z	44 \| good	6.745 \| good	29.573 \| good	47.579 \| good	1.193 \| good	2.531 \| good	0.177 \| good
2026-10-07T17:00:00.000Z	47 \| good	7.425 \| good	32.644 \| good	51.212 \| good	1.442 \| good	1.701 \| good	0.17 \| good
2026-10-07T18:00:00.000Z	48 \| good	7.05 \| good	30.971 \| good	52.404 \| good	1.543 \| good	1.272 \| good	0.164 \| good
2026-10-07T19:00:00.000Z	51 \| moderate	7.032 \| good	31.422 \| good	54.65 \| good	1.42 \| good	1.098 \| good	0.161 \| good
2026-10-07T20:00:00.000Z	51 \| moderate	5.534 \| good	23.866 \| good	54.938 \| good	1.335 \| good	1.085 \| good	0.159 \| good
2026-10-07T21:00:00.000Z	54 \| moderate	5.879 \| good	25.336 \| good	56.181 \| fine	1.29 \| good	1.192 \| good	0.159 \| good
2026-10-07T22:00:00.000Z	54 \| moderate	5.982 \| good	26.57 \| good	56.295 \| fine	1.282 \| good	1.491 \| good	0.159 \| good
2026-10-07T23:00:00.000Z	42 \| good	6.98 \| good	31.189 \| good	45.342 \| good	1.255 \| good	3.589 \| good	0.175 \| 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)

Track live Columbia, Illinois air quality forecast and history

Get reliable air quality data to drive your business

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

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is the air quality data for Columbia, Illinois updated?

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

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

What is the current air quality in Columbia, Illinois?

What pollutant is the most common in Columbia, Illinois?

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

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

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

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

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

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

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

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?

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

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

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

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