What are the current PM10 levels at Barrington, Illinois?

The current PM10 levels in Barrington, Illinois are 30.012 μg/m3.

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

The current sulfur dioxide (SO2) levels in Barrington, Illinois are 0.726 ppb.

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

The current ozone (O3) levels at Barrington, Illinois is 47.96 ppm.

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

The current nitrogen dioxide (NO2) levels at Barrington, Illinois is 22.206 ppb.

Real-time air quality index in Barrington, Illinois today

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

The measured PM2.5 levels in Barrington, Illinois at present are 11.922 μg/m3.

Stay updated with real-time air quality in Barrington, Illinois featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Moderate

Barrington, Illinois

Last updated: ... (Local time)

Common air pollutants in Barrington, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.01 μg/m³

155

255

425

605+

Ozone (O₃)

47.96 ppb

201

201+

Sulfur Dioxide (SO₂)

0.73 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.21 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Barrington, Illinois

Get Live Pollen Counts

Barrington, Illinois

Scroll To Air Quality Map

Track live Barrington, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T00:00:00.000Z	44 \| good	7.662 \| good	31.05 \| good	42.802 \| good	0.853 \| good	24.547 \| good	0.273 \| good
2026-10-21T01:00:00.000Z	38 \| good	6.624 \| good	28.903 \| good	40.638 \| good	0.658 \| good	30.346 \| good	0.285 \| good
2026-10-21T02:00:00.000Z	44 \| good	8.39 \| good	39.564 \| good	38.219 \| good	0.577 \| good	29.231 \| good	0.297 \| good
2026-10-21T03:00:00.000Z	58 \| moderate	13.344 \| fine	59.804 \| fine	9.105 \| good	2.934 \| good	36.714 \| good	0.303 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	11.745 \| good	48.084 \| good	25.767 \| good	0.556 \| good	28.492 \| good	0.326 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	12.9 \| fine	49.106 \| good	10.563 \| good	1.317 \| good	24.495 \| good	0.3 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	15.26 \| fine	67.367 \| fine	7.572 \| good	1.665 \| good	22.447 \| good	0.287 \| good
2026-10-21T07:00:00.000Z	62 \| moderate	14.762 \| fine	56.612 \| fine	5.134 \| good	1.432 \| good	18.623 \| good	0.299 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	14.679 \| fine	48.228 \| good	10.997 \| good	0.833 \| good	20.03 \| good	0.261 \| good
2026-10-21T09:00:00.000Z	62 \| moderate	15.363 \| fine	68.965 \| fine	4.61 \| good	0.804 \| good	19.485 \| good	0.249 \| good
2026-10-21T10:00:00.000Z	66 \| moderate	17.202 \| fine	65.543 \| fine	12.422 \| good	0.865 \| good	20.881 \| good	0.3 \| good
2026-10-21T11:00:00.000Z	71 \| moderate	19.735 \| fine	71.271 \| fine	9.141 \| good	0.937 \| good	23.503 \| good	0.377 \| good
2026-10-21T12:00:00.000Z	84 \| moderate	27.428 \| fine	39.428 \| good	7.884 \| good	0.912 \| good	22.189 \| good	0.389 \| good
2026-10-21T13:00:00.000Z	64 \| moderate	16.324 \| fine	33.107 \| good	8.141 \| good	0.95 \| good	17.416 \| good	0.389 \| good
2026-10-21T14:00:00.000Z	71 \| moderate	20.043 \| fine	36.324 \| good	7.723 \| good	1.155 \| good	24.599 \| good	0.515 \| good
2026-10-21T15:00:00.000Z	66 \| moderate	17.08 \| fine	55.544 \| fine	12.915 \| good	1.53 \| good	23.3 \| good	0.424 \| good
2026-10-21T16:00:00.000Z	71 \| moderate	19.802 \| fine	53.895 \| good	15.042 \| good	1.795 \| good	21.482 \| good	0.326 \| good
2026-10-21T17:00:00.000Z	62 \| moderate	15.447 \| fine	57.236 \| fine	22.188 \| good	1.609 \| good	20.394 \| good	0.276 \| good
2026-10-21T18:00:00.000Z	56 \| moderate	12.163 \| fine	51.123 \| good	29.673 \| good	1.612 \| good	19.072 \| good	0.263 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	10.807 \| good	37.836 \| good	37.32 \| good	1.134 \| good	15.35 \| good	0.263 \| good
2026-10-21T20:00:00.000Z	38 \| good	6.427 \| good	26.805 \| good	40.545 \| good	1.12 \| good	12.799 \| good	0.263 \| good
2026-10-21T21:00:00.000Z	41 \| good	7.07 \| good	29.274 \| good	43.621 \| good	1.09 \| good	14.39 \| good	0.263 \| good
2026-10-21T22:00:00.000Z	47 \| good	7.389 \| good	39.079 \| good	50.815 \| good	1.201 \| good	14.258 \| good	0.263 \| good
2026-10-21T23:00:00.000Z	46 \| good	6.798 \| good	28.46 \| good	49.553 \| good	1.741 \| good	11.357 \| good	0.276 \| good
2026-10-22T00:00:00.000Z	44 \| good	8.049 \| good	23.821 \| good	45.739 \| good	1.273 \| good	12.432 \| good	0.339 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	11.417 \| good	42.666 \| good	40.766 \| good	0.933 \| good	19.516 \| good	0.375 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.623 \| good	41.092 \| good	28.143 \| good	0.757 \| good	33.239 \| good	0.402 \| good
2026-10-22T03:00:00.000Z	37 \| good	5.387 \| good	22.868 \| good	21.082 \| good	2.26 \| good	38.561 \| good	0.449 \| good
2026-10-22T04:00:00.000Z	56 \| moderate	12.409 \| fine	43.001 \| good	18.439 \| good	1.232 \| good	30.275 \| good	0.452 \| good
2026-10-22T05:00:00.000Z	60 \| moderate	14.292 \| fine	51.996 \| good	16.823 \| good	1.015 \| good	27.138 \| good	0.414 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	16.035 \| fine	72.72 \| fine	11.663 \| good	0.95 \| good	22.354 \| good	0.467 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.567 \| fine	63.692 \| fine	7.199 \| good	0.928 \| good	21.783 \| good	0.466 \| good
2026-10-22T08:00:00.000Z	62 \| moderate	15.207 \| fine	55.25 \| fine	8.154 \| good	0.706 \| good	17.769 \| good	0.348 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.027 \| fine	72.698 \| fine	17.326 \| good	0.7 \| good	17.316 \| good	0.336 \| good
2026-10-22T10:00:00.000Z	62 \| moderate	15.324 \| fine	69.93 \| fine	14.684 \| good	0.574 \| good	14.538 \| good	0.324 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	16.149 \| fine	54.934 \| good	13.898 \| good	0.686 \| good	13.201 \| good	0.497 \| good
2026-10-22T12:00:00.000Z	66 \| moderate	16.656 \| fine	48.651 \| good	6.998 \| good	0.665 \| good	18.84 \| good	0.523 \| good
2026-10-22T13:00:00.000Z	66 \| moderate	16.659 \| fine	57.558 \| fine	12.321 \| good	0.723 \| good	17.173 \| good	0.45 \| good
2026-10-22T14:00:00.000Z	66 \| moderate	17.49 \| fine	58.726 \| fine	17.723 \| good	0.968 \| good	32.464 \| good	0.501 \| good
2026-10-22T15:00:00.000Z	66 \| moderate	16.712 \| fine	85.71 \| fine	11.19 \| good	1.115 \| good	31.663 \| good	0.54 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	16.371 \| fine	68.258 \| fine	24.475 \| good	1.33 \| good	17.623 \| good	0.321 \| good
2026-10-22T17:00:00.000Z	66 \| moderate	16.774 \| fine	70.297 \| fine	25.841 \| good	1.601 \| good	11.138 \| good	0.3 \| good
2026-10-22T18:00:00.000Z	56 \| moderate	12.332 \| fine	54.872 \| good	29.593 \| good	1.331 \| good	7.178 \| good	0.249 \| good
2026-10-22T19:00:00.000Z	54 \| moderate	10.722 \| good	50.267 \| good	34.617 \| good	1.91 \| good	7.624 \| good	0.225 \| good
2026-10-22T20:00:00.000Z	52 \| moderate	10.122 \| good	47.233 \| good	37.544 \| good	1.426 \| good	6.719 \| good	0.225 \| good
2026-10-22T21:00:00.000Z	54 \| moderate	10.866 \| good	56.796 \| fine	33.995 \| good	1.439 \| good	7.74 \| good	0.263 \| good
2026-10-22T22:00:00.000Z	54 \| moderate	11.01 \| good	47.255 \| good	43.454 \| good	1.17 \| good	11.902 \| good	0.263 \| good
2026-10-22T23:00:00.000Z	56 \| moderate	11.922 \| good	30.012 \| good	47.96 \| good	0.726 \| good	22.206 \| good	0.276 \| good
2026-10-22T23:00:00.000Z	56 \| moderate	11.922 \| good	30.012 \| good	47.96 \| good	0.726 \| good	22.206 \| good	0.276 \| good
2026-10-23T00:00:00.000Z	60 \| moderate	13.671 \| fine	61.62 \| fine	26.459 \| good	1.633 \| good	39.648 \| good	0.415 \| good
2026-10-23T01:00:00.000Z	58 \| moderate	13.292 \| fine	59.941 \| fine	21.504 \| good	1.796 \| good	42.577 \| good	0.431 \| good
2026-10-23T02:00:00.000Z	58 \| moderate	12.829 \| fine	57.472 \| fine	17.489 \| good	1.968 \| good	44.941 \| good	0.43 \| good
2026-10-23T03:00:00.000Z	58 \| moderate	13.175 \| fine	58.54 \| fine	15.245 \| good	2.148 \| good	46.11 \| good	0.432 \| good
2026-10-23T04:00:00.000Z	58 \| moderate	12.525 \| fine	56.506 \| fine	14.09 \| good	2.299 \| good	46.636 \| good	0.439 \| good
2026-10-23T05:00:00.000Z	56 \| moderate	11.988 \| good	53.085 \| good	12.495 \| good	2.332 \| good	46.43 \| good	0.442 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.703 \| fine	57.557 \| fine	11.414 \| good	2.325 \| good	45.838 \| good	0.43 \| good
2026-10-23T07:00:00.000Z	60 \| moderate	13.652 \| fine	61.679 \| fine	12.623 \| good	2.403 \| good	45.027 \| good	0.416 \| good
2026-10-23T08:00:00.000Z	62 \| moderate	14.528 \| fine	65.088 \| fine	12.294 \| good	2.543 \| good	44.058 \| good	0.405 \| good
2026-10-23T09:00:00.000Z	67 \| moderate	18.327 \| fine	81.184 \| fine	11.236 \| good	2.722 \| good	42.848 \| good	0.393 \| good
2026-10-23T10:00:00.000Z	81 \| moderate	24.772 \| fine	108.232 \| fine	8.506 \| good	2.959 \| good	41.371 \| good	0.384 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	26.689 \| fine	115.549 \| fine	4.37 \| good	3.164 \| good	39.956 \| good	0.38 \| good
2026-10-23T12:00:00.000Z	82 \| moderate	26.194 \| fine	114.043 \| fine	2.362 \| good	3.396 \| good	38.723 \| good	0.39 \| good
2026-10-23T13:00:00.000Z	79 \| moderate	24.466 \| fine	107.132 \| fine	5.516 \| good	3.552 \| good	34.292 \| good	0.42 \| good
2026-10-23T14:00:00.000Z	71 \| moderate	19.909 \| fine	87.897 \| fine	15.689 \| good	3.325 \| good	28.304 \| good	0.41 \| good
2026-10-23T15:00:00.000Z	64 \| moderate	16.361 \| fine	72.742 \| fine	27.361 \| good	3.087 \| good	24.605 \| good	0.381 \| good
2026-10-23T16:00:00.000Z	62 \| moderate	15.349 \| fine	68.885 \| fine	37.948 \| good	2.731 \| good	20.52 \| good	0.322 \| good
2026-10-23T17:00:00.000Z	62 \| moderate	14.547 \| fine	65.084 \| fine	46.073 \| good	2.344 \| good	16.014 \| good	0.272 \| good
2026-10-23T18:00:00.000Z	60 \| moderate	14.248 \| fine	63.451 \| fine	50.625 \| good	2.308 \| good	11.615 \| good	0.238 \| good
2026-10-23T19:00:00.000Z	60 \| moderate	14.027 \| fine	62.812 \| fine	54.79 \| good	2.205 \| good	9.319 \| good	0.224 \| good
2026-10-23T20:00:00.000Z	60 \| moderate	13.512 \| fine	61.022 \| fine	56.364 \| fine	2.062 \| good	8.527 \| good	0.218 \| good
2026-10-23T21:00:00.000Z	60 \| moderate	13.6 \| fine	61.456 \| fine	53.608 \| good	2.02 \| good	8.847 \| good	0.215 \| good
2026-10-23T22:00:00.000Z	62 \| moderate	14.814 \| fine	66.687 \| fine	43.204 \| good	1.964 \| good	13.671 \| good	0.235 \| good
2026-10-23T23:00:00.000Z	66 \| moderate	17.19 \| fine	75.731 \| fine	28.288 \| good	2.02 \| good	22.334 \| good	0.272 \| good
2026-10-24T00:00:00.000Z	67 \| moderate	17.756 \| fine	78.965 \| fine	17.469 \| good	2.129 \| good	28.54 \| good	0.291 \| good
2026-10-24T01:00:00.000Z	64 \| moderate	16.408 \| fine	73.337 \| fine	11.874 \| good	2.206 \| good	30.778 \| good	0.285 \| good
2026-10-24T02:00:00.000Z	64 \| moderate	16.244 \| fine	72.103 \| fine	9.424 \| good	2.227 \| good	31.711 \| good	0.278 \| good
2026-10-24T03:00:00.000Z	64 \| moderate	15.984 \| fine	71.767 \| fine	11.105 \| good	2.207 \| good	31.406 \| good	0.27 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	16.049 \| fine	71.608 \| fine	13.825 \| good	2.153 \| good	29.337 \| good	0.263 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	15.149 \| fine	67.853 \| fine	19.017 \| good	2.06 \| good	24.551 \| good	0.254 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	14.355 \| fine	64.135 \| fine	22.135 \| good	1.962 \| good	19.991 \| good	0.245 \| good
2026-10-24T07:00:00.000Z	60 \| moderate	13.938 \| fine	62.356 \| fine	21.897 \| good	1.859 \| good	16.495 \| good	0.238 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.775 \| good	51.777 \| good	23.579 \| good	1.75 \| good	14.093 \| good	0.234 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.081 \| good	54.576 \| good	23.108 \| good	1.65 \| good	12.615 \| good	0.231 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.377 \| fine	56.186 \| fine	20.99 \| good	1.581 \| good	12.017 \| good	0.231 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.48 \| fine	56.406 \| fine	19.347 \| good	1.555 \| good	12.399 \| good	0.233 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	11.575 \| good	51.229 \| good	17.854 \| good	1.598 \| good	15.324 \| good	0.241 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	10.809 \| good	48.173 \| good	19.366 \| good	1.652 \| good	16.671 \| good	0.253 \| good
2026-10-24T14:00:00.000Z	56 \| moderate	12.064 \| good	54.418 \| good	27.717 \| good	1.66 \| good	15.817 \| good	0.266 \| good
2026-10-24T15:00:00.000Z	56 \| moderate	12.082 \| good	54.124 \| good	35.556 \| good	1.698 \| good	14.328 \| good	0.261 \| good
2026-10-24T16:00:00.000Z	54 \| moderate	11.134 \| good	49.031 \| good	42.955 \| good	1.7 \| good	13.3 \| good	0.255 \| good
2026-10-24T17:00:00.000Z	52 \| moderate	10.293 \| good	45.669 \| good	47.258 \| good	1.688 \| good	12.412 \| good	0.247 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	10.984 \| good	48.79 \| good	49.243 \| good	1.692 \| good	10.987 \| good	0.237 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	10.97 \| good	48.513 \| good	51.431 \| good	1.664 \| good	9.467 \| good	0.224 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	10.75 \| good	47.612 \| good	52.592 \| good	1.668 \| good	8.973 \| good	0.217 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	10.576 \| good	46.977 \| good	52.549 \| good	1.676 \| good	9.835 \| good	0.216 \| good
2026-10-24T22:00:00.000Z	54 \| moderate	10.554 \| good	46.844 \| good	46.469 \| good	1.659 \| good	12.899 \| good	0.226 \| good
2026-10-24T23:00:00.000Z	56 \| moderate	12.454 \| fine	56.305 \| fine	40.358 \| good	1.681 \| good	17.578 \| good	0.243 \| good

Barrington

Empower business decisions with accurate air quality data

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

0.27ppm

How accurate is Illinois, USA air quality data?

Air quality measurements for Illinois, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

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

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

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

The worst air quality in Barrington, Illinois was recorded at 05:00:00 on 2026-10-22.

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

The best air quality in Barrington, Illinois was recorded at 03:00:00 on 2026-10-22.

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

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

Which pollutant is found most often in Barrington, Illinois?

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

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

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

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

The measured PM_2.5 levels in Barrington, Illinois at present are 11.922 μg/m³.

What are the current PM₁₀ levels at Barrington, Illinois?

The current PM₁₀ levels in Barrington, Illinois are 30.012 μg/m³.

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

The current carbon monoxide (CO) level in Barrington, Illinois is 0.276 ppm.

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

The current sulfur dioxide (SO₂) levels in Barrington, Illinois are 0.726 ppb.

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

The current ozone (O₃) levels at Barrington, Illinois is 47.96 ppm.

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

The current nitrogen dioxide (NO₂) levels at Barrington, Illinois is 22.206 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T00:00:00.000Z	44 \| good	7.662 \| good	31.05 \| good	42.802 \| good	0.853 \| good	24.547 \| good	0.273 \| good
2026-10-21T01:00:00.000Z	38 \| good	6.624 \| good	28.903 \| good	40.638 \| good	0.658 \| good	30.346 \| good	0.285 \| good
2026-10-21T02:00:00.000Z	44 \| good	8.39 \| good	39.564 \| good	38.219 \| good	0.577 \| good	29.231 \| good	0.297 \| good
2026-10-21T03:00:00.000Z	58 \| moderate	13.344 \| fine	59.804 \| fine	9.105 \| good	2.934 \| good	36.714 \| good	0.303 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	11.745 \| good	48.084 \| good	25.767 \| good	0.556 \| good	28.492 \| good	0.326 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	12.9 \| fine	49.106 \| good	10.563 \| good	1.317 \| good	24.495 \| good	0.3 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	15.26 \| fine	67.367 \| fine	7.572 \| good	1.665 \| good	22.447 \| good	0.287 \| good
2026-10-21T07:00:00.000Z	62 \| moderate	14.762 \| fine	56.612 \| fine	5.134 \| good	1.432 \| good	18.623 \| good	0.299 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	14.679 \| fine	48.228 \| good	10.997 \| good	0.833 \| good	20.03 \| good	0.261 \| good
2026-10-21T09:00:00.000Z	62 \| moderate	15.363 \| fine	68.965 \| fine	4.61 \| good	0.804 \| good	19.485 \| good	0.249 \| good
2026-10-21T10:00:00.000Z	66 \| moderate	17.202 \| fine	65.543 \| fine	12.422 \| good	0.865 \| good	20.881 \| good	0.3 \| good
2026-10-21T11:00:00.000Z	71 \| moderate	19.735 \| fine	71.271 \| fine	9.141 \| good	0.937 \| good	23.503 \| good	0.377 \| good
2026-10-21T12:00:00.000Z	84 \| moderate	27.428 \| fine	39.428 \| good	7.884 \| good	0.912 \| good	22.189 \| good	0.389 \| good
2026-10-21T13:00:00.000Z	64 \| moderate	16.324 \| fine	33.107 \| good	8.141 \| good	0.95 \| good	17.416 \| good	0.389 \| good
2026-10-21T14:00:00.000Z	71 \| moderate	20.043 \| fine	36.324 \| good	7.723 \| good	1.155 \| good	24.599 \| good	0.515 \| good
2026-10-21T15:00:00.000Z	66 \| moderate	17.08 \| fine	55.544 \| fine	12.915 \| good	1.53 \| good	23.3 \| good	0.424 \| good
2026-10-21T16:00:00.000Z	71 \| moderate	19.802 \| fine	53.895 \| good	15.042 \| good	1.795 \| good	21.482 \| good	0.326 \| good
2026-10-21T17:00:00.000Z	62 \| moderate	15.447 \| fine	57.236 \| fine	22.188 \| good	1.609 \| good	20.394 \| good	0.276 \| good
2026-10-21T18:00:00.000Z	56 \| moderate	12.163 \| fine	51.123 \| good	29.673 \| good	1.612 \| good	19.072 \| good	0.263 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	10.807 \| good	37.836 \| good	37.32 \| good	1.134 \| good	15.35 \| good	0.263 \| good
2026-10-21T20:00:00.000Z	38 \| good	6.427 \| good	26.805 \| good	40.545 \| good	1.12 \| good	12.799 \| good	0.263 \| good
2026-10-21T21:00:00.000Z	41 \| good	7.07 \| good	29.274 \| good	43.621 \| good	1.09 \| good	14.39 \| good	0.263 \| good
2026-10-21T22:00:00.000Z	47 \| good	7.389 \| good	39.079 \| good	50.815 \| good	1.201 \| good	14.258 \| good	0.263 \| good
2026-10-21T23:00:00.000Z	46 \| good	6.798 \| good	28.46 \| good	49.553 \| good	1.741 \| good	11.357 \| good	0.276 \| good
2026-10-22T00:00:00.000Z	44 \| good	8.049 \| good	23.821 \| good	45.739 \| good	1.273 \| good	12.432 \| good	0.339 \| good
2026-10-22T01:00:00.000Z	54 \| moderate	11.417 \| good	42.666 \| good	40.766 \| good	0.933 \| good	19.516 \| good	0.375 \| good
2026-10-22T02:00:00.000Z	56 \| moderate	11.623 \| good	41.092 \| good	28.143 \| good	0.757 \| good	33.239 \| good	0.402 \| good
2026-10-22T03:00:00.000Z	37 \| good	5.387 \| good	22.868 \| good	21.082 \| good	2.26 \| good	38.561 \| good	0.449 \| good
2026-10-22T04:00:00.000Z	56 \| moderate	12.409 \| fine	43.001 \| good	18.439 \| good	1.232 \| good	30.275 \| good	0.452 \| good
2026-10-22T05:00:00.000Z	60 \| moderate	14.292 \| fine	51.996 \| good	16.823 \| good	1.015 \| good	27.138 \| good	0.414 \| good
2026-10-22T06:00:00.000Z	64 \| moderate	16.035 \| fine	72.72 \| fine	11.663 \| good	0.95 \| good	22.354 \| good	0.467 \| good
2026-10-22T07:00:00.000Z	64 \| moderate	15.567 \| fine	63.692 \| fine	7.199 \| good	0.928 \| good	21.783 \| good	0.466 \| good
2026-10-22T08:00:00.000Z	62 \| moderate	15.207 \| fine	55.25 \| fine	8.154 \| good	0.706 \| good	17.769 \| good	0.348 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.027 \| fine	72.698 \| fine	17.326 \| good	0.7 \| good	17.316 \| good	0.336 \| good
2026-10-22T10:00:00.000Z	62 \| moderate	15.324 \| fine	69.93 \| fine	14.684 \| good	0.574 \| good	14.538 \| good	0.324 \| good
2026-10-22T11:00:00.000Z	64 \| moderate	16.149 \| fine	54.934 \| good	13.898 \| good	0.686 \| good	13.201 \| good	0.497 \| good
2026-10-22T12:00:00.000Z	66 \| moderate	16.656 \| fine	48.651 \| good	6.998 \| good	0.665 \| good	18.84 \| good	0.523 \| good
2026-10-22T13:00:00.000Z	66 \| moderate	16.659 \| fine	57.558 \| fine	12.321 \| good	0.723 \| good	17.173 \| good	0.45 \| good
2026-10-22T14:00:00.000Z	66 \| moderate	17.49 \| fine	58.726 \| fine	17.723 \| good	0.968 \| good	32.464 \| good	0.501 \| good
2026-10-22T15:00:00.000Z	66 \| moderate	16.712 \| fine	85.71 \| fine	11.19 \| good	1.115 \| good	31.663 \| good	0.54 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	16.371 \| fine	68.258 \| fine	24.475 \| good	1.33 \| good	17.623 \| good	0.321 \| good
2026-10-22T17:00:00.000Z	66 \| moderate	16.774 \| fine	70.297 \| fine	25.841 \| good	1.601 \| good	11.138 \| good	0.3 \| good
2026-10-22T18:00:00.000Z	56 \| moderate	12.332 \| fine	54.872 \| good	29.593 \| good	1.331 \| good	7.178 \| good	0.249 \| good
2026-10-22T19:00:00.000Z	54 \| moderate	10.722 \| good	50.267 \| good	34.617 \| good	1.91 \| good	7.624 \| good	0.225 \| good
2026-10-22T20:00:00.000Z	52 \| moderate	10.122 \| good	47.233 \| good	37.544 \| good	1.426 \| good	6.719 \| good	0.225 \| good
2026-10-22T21:00:00.000Z	54 \| moderate	10.866 \| good	56.796 \| fine	33.995 \| good	1.439 \| good	7.74 \| good	0.263 \| good
2026-10-22T22:00:00.000Z	54 \| moderate	11.01 \| good	47.255 \| good	43.454 \| good	1.17 \| good	11.902 \| good	0.263 \| good
2026-10-22T23:00:00.000Z	56 \| moderate	11.922 \| good	30.012 \| good	47.96 \| good	0.726 \| good	22.206 \| good	0.276 \| good
2026-10-22T23:00:00.000Z	56 \| moderate	11.922 \| good	30.012 \| good	47.96 \| good	0.726 \| good	22.206 \| good	0.276 \| good
2026-10-23T00:00:00.000Z	60 \| moderate	13.671 \| fine	61.62 \| fine	26.459 \| good	1.633 \| good	39.648 \| good	0.415 \| good
2026-10-23T01:00:00.000Z	58 \| moderate	13.292 \| fine	59.941 \| fine	21.504 \| good	1.796 \| good	42.577 \| good	0.431 \| good
2026-10-23T02:00:00.000Z	58 \| moderate	12.829 \| fine	57.472 \| fine	17.489 \| good	1.968 \| good	44.941 \| good	0.43 \| good
2026-10-23T03:00:00.000Z	58 \| moderate	13.175 \| fine	58.54 \| fine	15.245 \| good	2.148 \| good	46.11 \| good	0.432 \| good
2026-10-23T04:00:00.000Z	58 \| moderate	12.525 \| fine	56.506 \| fine	14.09 \| good	2.299 \| good	46.636 \| good	0.439 \| good
2026-10-23T05:00:00.000Z	56 \| moderate	11.988 \| good	53.085 \| good	12.495 \| good	2.332 \| good	46.43 \| good	0.442 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	12.703 \| fine	57.557 \| fine	11.414 \| good	2.325 \| good	45.838 \| good	0.43 \| good
2026-10-23T07:00:00.000Z	60 \| moderate	13.652 \| fine	61.679 \| fine	12.623 \| good	2.403 \| good	45.027 \| good	0.416 \| good
2026-10-23T08:00:00.000Z	62 \| moderate	14.528 \| fine	65.088 \| fine	12.294 \| good	2.543 \| good	44.058 \| good	0.405 \| good
2026-10-23T09:00:00.000Z	67 \| moderate	18.327 \| fine	81.184 \| fine	11.236 \| good	2.722 \| good	42.848 \| good	0.393 \| good
2026-10-23T10:00:00.000Z	81 \| moderate	24.772 \| fine	108.232 \| fine	8.506 \| good	2.959 \| good	41.371 \| good	0.384 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	26.689 \| fine	115.549 \| fine	4.37 \| good	3.164 \| good	39.956 \| good	0.38 \| good
2026-10-23T12:00:00.000Z	82 \| moderate	26.194 \| fine	114.043 \| fine	2.362 \| good	3.396 \| good	38.723 \| good	0.39 \| good
2026-10-23T13:00:00.000Z	79 \| moderate	24.466 \| fine	107.132 \| fine	5.516 \| good	3.552 \| good	34.292 \| good	0.42 \| good
2026-10-23T14:00:00.000Z	71 \| moderate	19.909 \| fine	87.897 \| fine	15.689 \| good	3.325 \| good	28.304 \| good	0.41 \| good
2026-10-23T15:00:00.000Z	64 \| moderate	16.361 \| fine	72.742 \| fine	27.361 \| good	3.087 \| good	24.605 \| good	0.381 \| good
2026-10-23T16:00:00.000Z	62 \| moderate	15.349 \| fine	68.885 \| fine	37.948 \| good	2.731 \| good	20.52 \| good	0.322 \| good
2026-10-23T17:00:00.000Z	62 \| moderate	14.547 \| fine	65.084 \| fine	46.073 \| good	2.344 \| good	16.014 \| good	0.272 \| good
2026-10-23T18:00:00.000Z	60 \| moderate	14.248 \| fine	63.451 \| fine	50.625 \| good	2.308 \| good	11.615 \| good	0.238 \| good
2026-10-23T19:00:00.000Z	60 \| moderate	14.027 \| fine	62.812 \| fine	54.79 \| good	2.205 \| good	9.319 \| good	0.224 \| good
2026-10-23T20:00:00.000Z	60 \| moderate	13.512 \| fine	61.022 \| fine	56.364 \| fine	2.062 \| good	8.527 \| good	0.218 \| good
2026-10-23T21:00:00.000Z	60 \| moderate	13.6 \| fine	61.456 \| fine	53.608 \| good	2.02 \| good	8.847 \| good	0.215 \| good
2026-10-23T22:00:00.000Z	62 \| moderate	14.814 \| fine	66.687 \| fine	43.204 \| good	1.964 \| good	13.671 \| good	0.235 \| good
2026-10-23T23:00:00.000Z	66 \| moderate	17.19 \| fine	75.731 \| fine	28.288 \| good	2.02 \| good	22.334 \| good	0.272 \| good
2026-10-24T00:00:00.000Z	67 \| moderate	17.756 \| fine	78.965 \| fine	17.469 \| good	2.129 \| good	28.54 \| good	0.291 \| good
2026-10-24T01:00:00.000Z	64 \| moderate	16.408 \| fine	73.337 \| fine	11.874 \| good	2.206 \| good	30.778 \| good	0.285 \| good
2026-10-24T02:00:00.000Z	64 \| moderate	16.244 \| fine	72.103 \| fine	9.424 \| good	2.227 \| good	31.711 \| good	0.278 \| good
2026-10-24T03:00:00.000Z	64 \| moderate	15.984 \| fine	71.767 \| fine	11.105 \| good	2.207 \| good	31.406 \| good	0.27 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	16.049 \| fine	71.608 \| fine	13.825 \| good	2.153 \| good	29.337 \| good	0.263 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	15.149 \| fine	67.853 \| fine	19.017 \| good	2.06 \| good	24.551 \| good	0.254 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	14.355 \| fine	64.135 \| fine	22.135 \| good	1.962 \| good	19.991 \| good	0.245 \| good
2026-10-24T07:00:00.000Z	60 \| moderate	13.938 \| fine	62.356 \| fine	21.897 \| good	1.859 \| good	16.495 \| good	0.238 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.775 \| good	51.777 \| good	23.579 \| good	1.75 \| good	14.093 \| good	0.234 \| good
2026-10-24T09:00:00.000Z	56 \| moderate	12.081 \| good	54.576 \| good	23.108 \| good	1.65 \| good	12.615 \| good	0.231 \| good
2026-10-24T10:00:00.000Z	56 \| moderate	12.377 \| fine	56.186 \| fine	20.99 \| good	1.581 \| good	12.017 \| good	0.231 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.48 \| fine	56.406 \| fine	19.347 \| good	1.555 \| good	12.399 \| good	0.233 \| good
2026-10-24T12:00:00.000Z	56 \| moderate	11.575 \| good	51.229 \| good	17.854 \| good	1.598 \| good	15.324 \| good	0.241 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	10.809 \| good	48.173 \| good	19.366 \| good	1.652 \| good	16.671 \| good	0.253 \| good
2026-10-24T14:00:00.000Z	56 \| moderate	12.064 \| good	54.418 \| good	27.717 \| good	1.66 \| good	15.817 \| good	0.266 \| good
2026-10-24T15:00:00.000Z	56 \| moderate	12.082 \| good	54.124 \| good	35.556 \| good	1.698 \| good	14.328 \| good	0.261 \| good
2026-10-24T16:00:00.000Z	54 \| moderate	11.134 \| good	49.031 \| good	42.955 \| good	1.7 \| good	13.3 \| good	0.255 \| good
2026-10-24T17:00:00.000Z	52 \| moderate	10.293 \| good	45.669 \| good	47.258 \| good	1.688 \| good	12.412 \| good	0.247 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	10.984 \| good	48.79 \| good	49.243 \| good	1.692 \| good	10.987 \| good	0.237 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	10.97 \| good	48.513 \| good	51.431 \| good	1.664 \| good	9.467 \| good	0.224 \| good
2026-10-24T20:00:00.000Z	54 \| moderate	10.75 \| good	47.612 \| good	52.592 \| good	1.668 \| good	8.973 \| good	0.217 \| good
2026-10-24T21:00:00.000Z	54 \| moderate	10.576 \| good	46.977 \| good	52.549 \| good	1.676 \| good	9.835 \| good	0.216 \| good
2026-10-24T22:00:00.000Z	54 \| moderate	10.554 \| good	46.844 \| good	46.469 \| good	1.659 \| good	12.899 \| good	0.226 \| good
2026-10-24T23:00:00.000Z	56 \| moderate	12.454 \| fine	56.305 \| fine	40.358 \| good	1.681 \| good	17.578 \| good	0.243 \| good

Real-time air quality index in Barrington, Illinois today

Common air pollutants in Barrington, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Barrington, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

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How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Barrington, Illinois?

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

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

What are the current PM10 levels at Barrington, Illinois?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What are the current PM₁₀ levels at Barrington, Illinois?

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

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

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