What is the PM10 level in Cary, Illinois at the moment?

The PM10 concentration in Cary, Illinois is 16 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Cary, Illinois at the moment?

Currently, Cary, Illinois has a sulfur dioxide (SO2) concentration of 0.487 ppb.

What is the ozone (O3) level in Cary, Illinois at the moment?

The current ozone (O3) level in Cary, Illinois at the moment is 33 ppm.

What is the nitrogen dioxide (NO2) level in Cary, Illinois at the moment?

Nitrogen dioxide (NO2) level in Cary, Illinois at the moment is 3.634 ppb.

Live air quality index in Cary, Illinois today

Q: What is the PM2.5 level in Cary, Illinois at the moment?

PM2.5 levels in Cary, Illinois are currently 3.5 μg/m3.

Stay updated with real-time air quality in Cary, 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

Cary, Illinois

Last updated: ... (Local time)

Major air pollutants in Cary, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.00 μg/m³

155

255

425

605+

Ozone (O₃)

33.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.63 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.17 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Cary, Illinois

Scroll To Air Quality Map

Track live Cary, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-11T16:00:00.000Z	29 \| good	1.8 \| good	8.001 \| good	30.998 \| good	0.238 \| good	5.994 \| good	0.224 \| good
2026-03-11T17:00:00.000Z	28 \| good	1.6 \| good	7.001 \| good	29.998 \| good	0.232 \| good	7.466 \| good	0.162 \| good
2026-03-11T18:00:00.000Z	26 \| good	1.6 \| good	7.001 \| good	27.999 \| good	0.309 \| good	6.819 \| good	0.162 \| good
2026-03-11T19:00:00.000Z	25 \| good	1.8 \| good	8 \| good	26.999 \| good	0.409 \| good	7.256 \| good	0.203 \| good
2026-03-11T20:00:00.000Z	27 \| good	1.8 \| good	8 \| good	28.999 \| good	0.346 \| good	6.603 \| good	0.203 \| good
2026-03-11T21:00:00.000Z	28 \| good	1.7 \| good	7 \| good	29.998 \| good	0.309 \| good	5.729 \| good	0.244 \| good
2026-03-11T22:00:00.000Z	27 \| good	1.3 \| good	5 \| good	28.999 \| good	0.275 \| good	5.203 \| good	0.203 \| good
2026-03-11T23:00:00.000Z	30 \| good	1.2 \| good	5.001 \| good	31.999 \| good	0.295 \| good	4.812 \| good	0.203 \| good
2026-03-12T00:00:00.000Z	31 \| good	1.2 \| good	5 \| good	33.999 \| good	0.27 \| good	4.531 \| good	0.203 \| good
2026-03-12T01:00:00.000Z	34 \| good	1.5 \| good	6 \| good	36.998 \| good	0.256 \| good	5.698 \| good	0.216 \| good
2026-03-12T02:00:00.000Z	34 \| good	1.8 \| good	8.002 \| good	36.999 \| good	0.404 \| good	6.534 \| good	0.203 \| good
2026-03-12T03:00:00.000Z	31 \| good	1.8 \| good	8 \| good	33.999 \| good	0.319 \| good	5.162 \| good	0.175 \| good
2026-03-12T04:00:00.000Z	31 \| good	2 \| good	8 \| good	33.999 \| good	0.332 \| good	6.506 \| good	0.203 \| good
2026-03-12T05:00:00.000Z	30 \| good	2.2 \| good	9 \| good	31.999 \| good	0.516 \| good	11.147 \| good	0.163 \| good
2026-03-12T06:00:00.000Z	31 \| good	2.2 \| good	9 \| good	32.999 \| good	2.655 \| good	9.851 \| good	0.162 \| good
2026-03-12T07:00:00.000Z	30 \| good	2.4 \| good	10 \| good	31.999 \| good	4.809 \| good	10.83 \| good	0.162 \| good
2026-03-12T08:00:00.000Z	30 \| good	2.7 \| good	11 \| good	31.999 \| good	2.054 \| good	9.448 \| good	0.162 \| good
2026-03-12T09:00:00.000Z	29 \| good	2.9 \| good	12 \| good	30.999 \| good	0.718 \| good	9.082 \| good	0.162 \| good
2026-03-12T10:00:00.000Z	29 \| good	3.2 \| good	14 \| good	30.999 \| good	0.45 \| good	8.499 \| good	0.203 \| good
2026-03-12T11:00:00.000Z	28 \| good	3.5 \| good	16 \| good	29.999 \| good	0.487 \| good	14.474 \| good	0.215 \| good
2026-03-12T12:00:00.000Z	25 \| good	3.8 \| good	17 \| good	26.999 \| good	0.424 \| good	17.051 \| good	0.269 \| good
2026-03-12T13:00:00.000Z	25 \| good	3.8 \| good	17 \| good	26.998 \| good	0.397 \| good	19.224 \| good	0.265 \| good
2026-03-12T14:00:00.000Z	27 \| good	4.6 \| good	20.001 \| good	25.998 \| good	0.444 \| good	17.134 \| good	0.286 \| good
2026-03-12T15:00:00.000Z	27 \| good	5.1 \| good	22.001 \| good	25.999 \| good	0.374 \| good	9.52 \| good	0.211 \| good
2026-03-12T16:00:00.000Z	27 \| good	5.4 \| good	23.001 \| good	28.999 \| good	0.387 \| good	7.583 \| good	0.203 \| good
2026-03-12T17:00:00.000Z	29 \| good	5.2 \| good	23.001 \| good	30.999 \| good	0.427 \| good	7.325 \| good	0.203 \| good
2026-03-12T18:00:00.000Z	32 \| good	5.1 \| good	22.001 \| good	34.999 \| good	0.468 \| good	6.441 \| good	0.203 \| good
2026-03-12T19:00:00.000Z	35 \| good	5.1 \| good	22.001 \| good	37.999 \| good	0.51 \| good	6.27 \| good	0.203 \| good
2026-03-12T20:00:00.000Z	36 \| good	5 \| good	22.001 \| good	38.999 \| good	1.204 \| good	5.441 \| good	0.244 \| good
2026-03-12T21:00:00.000Z	38 \| good	5 \| good	22 \| good	40.999 \| good	2.009 \| good	5.259 \| good	0.203 \| good
2026-03-12T22:00:00.000Z	40 \| good	4.5 \| good	20 \| good	42.999 \| good	1.5 \| good	4.859 \| good	0.244 \| good
2026-03-12T23:00:00.000Z	41 \| good	3.9 \| good	17.001 \| good	43.999 \| good	0.903 \| good	4.93 \| good	0.217 \| good
2026-03-13T00:00:00.000Z	40 \| good	3.9 \| good	17.001 \| good	42.999 \| good	0.407 \| good	6.351 \| good	0.255 \| good
2026-03-13T01:00:00.000Z	40 \| good	4 \| good	18 \| good	42.999 \| good	0.815 \| good	6.637 \| good	0.211 \| good
2026-03-13T02:00:00.000Z	36 \| good	3.2 \| good	14 \| good	39 \| good	0.341 \| good	6.936 \| good	0.211 \| good
2026-03-13T03:00:00.000Z	39 \| good	2.8 \| good	12 \| good	41.999 \| good	0.732 \| good	6.777 \| good	0.16 \| good
2026-03-13T04:00:00.000Z	34 \| good	2.7 \| good	11 \| good	37 \| good	0.965 \| good	3.824 \| good	0.16 \| good
2026-03-13T05:00:00.000Z	34 \| good	2.7 \| good	11 \| good	37 \| good	0.628 \| good	2.265 \| good	0.16 \| good
2026-03-13T06:00:00.000Z	35 \| good	3 \| good	12.001 \| good	38 \| good	1.631 \| good	2.303 \| good	0.16 \| good
2026-03-13T07:00:00.000Z	36 \| good	3 \| good	12.001 \| good	39 \| good	1.126 \| good	1.887 \| good	0.16 \| good
2026-03-13T08:00:00.000Z	38 \| good	3.3 \| good	15 \| good	40.999 \| good	0.61 \| good	2.209 \| good	0.16 \| good
2026-03-13T09:00:00.000Z	36 \| good	3.3 \| good	15 \| good	38.999 \| good	0.509 \| good	2.176 \| good	0.152 \| good
2026-03-13T10:00:00.000Z	38 \| good	3.3 \| good	15 \| good	40.999 \| good	0.509 \| good	2.702 \| good	0.152 \| good
2026-03-13T11:00:00.000Z	36 \| good	3.2 \| good	14 \| good	38.999 \| good	0.521 \| good	3.084 \| good	0.16 \| good
2026-03-13T12:00:00.000Z	35 \| good	3.2 \| good	14 \| good	38 \| good	0.458 \| good	3.221 \| good	0.16 \| good
2026-03-13T13:00:00.000Z	33 \| good	3.3 \| good	15 \| good	36 \| good	0.548 \| good	3.851 \| good	0.203 \| good
2026-03-13T14:00:00.000Z	31 \| good	3.5 \| good	16 \| good	33 \| good	0.487 \| good	3.634 \| good	0.175 \| good
2026-03-13T15:00:00.000Z	31 \| good	3.5 \| good	16 \| good	33 \| good	0.487 \| good	3.634 \| good	0.175 \| good
2026-03-13T15:00:00.000Z	31 \| good	3.547 \| good	15.46 \| good	33.851 \| good	0.239 \| good	1.641 \| good	0.154 \| good
2026-03-13T16:00:00.000Z	31 \| good	3.334 \| good	14.483 \| good	33.906 \| good	0.256 \| good	1.351 \| good	0.151 \| good
2026-03-13T17:00:00.000Z	33 \| good	3.544 \| good	15.853 \| good	36.327 \| good	0.274 \| good	1.06 \| good	0.148 \| good
2026-03-13T18:00:00.000Z	33 \| good	2.494 \| good	10.405 \| good	36.164 \| good	0.291 \| good	0.77 \| good	0.145 \| good
2026-03-13T19:00:00.000Z	34 \| good	2.153 \| good	9.022 \| good	37.286 \| good	0.293 \| good	0.804 \| good	0.143 \| good
2026-03-13T20:00:00.000Z	37 \| good	2.021 \| good	8.451 \| good	39.793 \| good	0.295 \| good	0.839 \| good	0.142 \| good
2026-03-13T21:00:00.000Z	37 \| good	1.854 \| good	7.853 \| good	40.233 \| good	0.296 \| good	0.873 \| good	0.14 \| good
2026-03-13T22:00:00.000Z	39 \| good	0.712 \| good	2.518 \| good	41.72 \| good	0.322 \| good	1.418 \| good	0.141 \| good
2026-03-13T23:00:00.000Z	36 \| good	1.976 \| good	8 \| good	39.359 \| good	0.348 \| good	1.962 \| good	0.141 \| good
2026-03-14T00:00:00.000Z	32 \| good	2.729 \| good	11.257 \| good	35.249 \| good	0.373 \| good	2.506 \| good	0.141 \| good
2026-03-14T01:00:00.000Z	31 \| good	2.32 \| good	9.732 \| good	33.385 \| good	0.385 \| good	2.531 \| good	0.144 \| good
2026-03-14T02:00:00.000Z	28 \| good	3.598 \| good	15.867 \| good	30.005 \| good	0.396 \| good	2.556 \| good	0.146 \| good
2026-03-14T03:00:00.000Z	28 \| good	3.219 \| good	14 \| good	30.006 \| good	0.408 \| good	2.581 \| good	0.149 \| good
2026-03-14T04:00:00.000Z	29 \| good	4.072 \| good	17.722 \| good	30.99 \| good	0.397 \| good	2.44 \| good	0.155 \| good
2026-03-14T05:00:00.000Z	27 \| good	4.619 \| good	20.392 \| good	29.247 \| good	0.386 \| good	2.299 \| good	0.161 \| good
2026-03-14T06:00:00.000Z	33 \| good	5.885 \| good	26.407 \| good	27.826 \| good	0.376 \| good	2.158 \| good	0.168 \| good
2026-03-14T07:00:00.000Z	33 \| good	5.624 \| good	24.212 \| good	26.499 \| good	0.422 \| good	2.334 \| good	0.17 \| good
2026-03-14T08:00:00.000Z	33 \| good	5.606 \| good	24.291 \| good	27.064 \| good	0.468 \| good	2.509 \| good	0.172 \| good
2026-03-14T09:00:00.000Z	27 \| good	5.257 \| good	22.507 \| good	26.038 \| good	0.514 \| good	2.685 \| good	0.175 \| good
2026-03-14T10:00:00.000Z	24 \| good	3.573 \| good	15.371 \| good	25.907 \| good	0.591 \| good	3.164 \| good	0.178 \| good
2026-03-14T11:00:00.000Z	24 \| good	1.471 \| good	6.052 \| good	26.064 \| good	0.669 \| good	3.644 \| good	0.181 \| good
2026-03-14T12:00:00.000Z	25 \| good	1.265 \| good	5.072 \| good	27.273 \| good	0.747 \| good	4.123 \| good	0.184 \| good
2026-03-14T13:00:00.000Z	27 \| good	1.16 \| good	4.33 \| good	29.252 \| good	0.87 \| good	4.124 \| good	0.185 \| good
2026-03-14T14:00:00.000Z	27 \| good	2.124 \| good	8.82 \| good	29.259 \| good	0.993 \| good	4.125 \| good	0.185 \| good
2026-03-14T15:00:00.000Z	27 \| good	2.769 \| good	11.114 \| good	29.011 \| good	1.117 \| good	4.126 \| good	0.186 \| good
2026-03-14T16:00:00.000Z	28 \| good	4.092 \| good	17.684 \| good	29.905 \| good	1.341 \| good	4.428 \| good	0.183 \| good
2026-03-14T17:00:00.000Z	28 \| good	4.392 \| good	19.34 \| good	30.19 \| good	1.565 \| good	4.73 \| good	0.18 \| good
2026-03-14T18:00:00.000Z	32 \| good	3.962 \| good	17.011 \| good	35.487 \| good	1.79 \| good	5.032 \| good	0.178 \| good
2026-03-14T19:00:00.000Z	33 \| good	5.076 \| good	22.055 \| good	36.283 \| good	1.984 \| good	5.966 \| good	0.18 \| good
2026-03-14T20:00:00.000Z	33 \| good	5.091 \| good	22.021 \| good	36.232 \| good	2.177 \| good	6.899 \| good	0.183 \| good
2026-03-14T21:00:00.000Z	38 \| good	6.817 \| good	30.082 \| good	35.877 \| good	2.371 \| good	7.832 \| good	0.186 \| good
2026-03-14T22:00:00.000Z	33 \| good	5.642 \| good	24.898 \| good	32.457 \| good	2.351 \| good	8.917 \| good	0.193 \| good
2026-03-14T23:00:00.000Z	30 \| good	2.928 \| good	12.574 \| good	32.332 \| good	2.33 \| good	10.002 \| good	0.199 \| good
2026-03-15T00:00:00.000Z	30 \| good	3.561 \| good	15.696 \| good	32.359 \| good	2.31 \| good	11.087 \| good	0.206 \| good
2026-03-15T01:00:00.000Z	26 \| good	3.421 \| good	15.127 \| good	28.26 \| good	2.071 \| good	10.358 \| good	0.201 \| good
2026-03-15T02:00:00.000Z	33 \| good	5.978 \| good	25.858 \| good	31.849 \| good	1.832 \| good	9.629 \| good	0.196 \| good
2026-03-15T03:00:00.000Z	32 \| good	4.621 \| good	20.304 \| good	35.233 \| good	1.594 \| good	8.9 \| good	0.191 \| good
2026-03-15T04:00:00.000Z	35 \| good	4.016 \| good	17.338 \| good	37.605 \| good	1.54 \| good	7.757 \| good	0.184 \| good
2026-03-15T05:00:00.000Z	36 \| good	5.102 \| good	22.155 \| good	39.085 \| good	1.486 \| good	6.614 \| good	0.177 \| good
2026-03-15T06:00:00.000Z	38 \| good	6.521 \| good	29.244 \| good	35.234 \| good	1.432 \| good	5.471 \| good	0.169 \| good
2026-03-15T07:00:00.000Z	34 \| good	5.15 \| good	22.338 \| good	37.2 \| good	1.731 \| good	5.071 \| good	0.169 \| good
2026-03-15T08:00:00.000Z	33 \| good	6.137 \| good	27.227 \| good	35.339 \| good	2.03 \| good	4.67 \| good	0.168 \| good
2026-03-15T09:00:00.000Z	33 \| good	6.06 \| good	26.947 \| good	33.584 \| good	2.329 \| good	4.269 \| good	0.167 \| good
2026-03-15T10:00:00.000Z	38 \| good	6.932 \| good	30.483 \| good	32.128 \| good	2.473 \| good	4.354 \| good	0.165 \| good
2026-03-15T11:00:00.000Z	29 \| good	5.39 \| good	23 \| good	30.954 \| good	2.618 \| good	4.44 \| good	0.164 \| good
2026-03-15T12:00:00.000Z	38 \| good	7.144 \| good	7.872 \| good	34.948 \| good	2.775 \| good	4.528 \| good	0.163 \| good
2026-03-15T13:00:00.000Z	33 \| good	6.476 \| good	6.914 \| good	36.443 \| good	2.416 \| good	5.097 \| good	0.165 \| good
2026-03-15T14:00:00.000Z	38 \| good	6.899 \| good	7.266 \| good	37.938 \| good	2.057 \| good	5.667 \| good	0.168 \| good

Cary

Get reliable air quality data to drive your business

Cary, Illinois air quality map: Stay updated on AQI near you

0.20ppm

How accurate is Illinois, USA air quality data?

Air quality and pollutant data for Illinois, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Cary, Illinois?

The air quality information for Cary, Illinois is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Cary, Illinois at its worst?

In the past 24 hours, the air quality in Cary, Illinois was at its worst at 11:00:00 on 2026-03-12.

When did Cary, Illinois experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Cary, Illinois was observed at 02:00:00 on 2026-03-12.

What is the AQI in Cary, Illinois right now?

As of now, the AQI in Cary, Illinois is 31, indicating Good conditions.

What is the most common type of pollution in Cary, Illinois?

Cary, Illinois air has the highest levels of O3.

What should I do in case of poor air quality in Cary, Illinois?

Poor air quality in Cary, Illinois means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Cary, Illinois at the moment?

PM_2.5 levels in Cary, Illinois are currently 3.5 μg/m³.

What is the PM₁₀ level in Cary, Illinois at the moment?

The PM₁₀ concentration in Cary, Illinois is 16 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Cary, Illinois at the moment?

The current carbon monoxide (CO) concentration in Cary, Illinois is 0.175 ppm.

What is the sulfur dioxide (SO₂) level in Cary, Illinois at the moment?

Currently, Cary, Illinois has a sulfur dioxide (SO₂) concentration of 0.487 ppb.

What is the ozone (O₃) level in Cary, Illinois at the moment?

The current ozone (O₃) level in Cary, Illinois at the moment is 33 ppm.

What is the nitrogen dioxide (NO₂) level in Cary, Illinois at the moment?

Nitrogen dioxide (NO₂) level in Cary, Illinois at the moment is 3.634 ppb.

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