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

The PM10 concentration in Rockford, Illinois is 68.888 μg/m3 at the moment.

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

Currently, Rockford, Illinois has a sulfur dioxide (SO2) concentration of 0.48 ppb.

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

The current ozone (O3) level in Rockford, Illinois at the moment is 46.68 ppm.

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

Nitrogen dioxide (NO2) level in Rockford, Illinois at the moment is 5.883 ppb.

Live air quality index in Rockford, Illinois today

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

PM2.5 levels in Rockford, Illinois are currently 15.593 μg/m3.

Stay updated with real-time air quality in Rockford, 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

Rockford, Illinois

Last updated: ... (Local time)

Major air pollutants in Rockford, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

15.59 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

68.89 μg/m³

155

255

425

605+

Ozone (O₃)

46.68 ppb

201

201+

Sulfur Dioxide (SO₂)

0.48 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.88 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Rockford, Illinois

Get Live Pollen Counts

Rockford, Illinois

Scroll To Air Quality Map

Track live Rockford, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	39 \| good	6.023 \| good	27.206 \| good	41.98 \| good	0.466 \| good	3.606 \| good	0.212 \| good
2026-10-20T22:00:00.000Z	42 \| good	5.721 \| good	25.14 \| good	44.658 \| good	0.618 \| good	2.541 \| good	0.212 \| good
2026-10-20T23:00:00.000Z	42 \| good	5.013 \| good	22.017 \| good	45.076 \| good	0.663 \| good	4.967 \| good	0.222 \| good
2026-10-21T00:00:00.000Z	41 \| good	4.5 \| good	20.014 \| good	44.446 \| good	0.458 \| good	11.907 \| good	0.273 \| good
2026-10-21T01:00:00.000Z	34 \| good	4.605 \| good	20.065 \| good	37.314 \| good	0.48 \| good	13.829 \| good	0.284 \| good
2026-10-21T02:00:00.000Z	33 \| good	5.71 \| good	24.998 \| good	36.098 \| good	0.413 \| good	17.241 \| good	0.294 \| good
2026-10-21T03:00:00.000Z	44 \| good	8.452 \| good	37.023 \| good	14.214 \| good	2.405 \| good	19.745 \| good	0.25 \| good
2026-10-21T04:00:00.000Z	38 \| good	7.095 \| good	31.972 \| good	26.463 \| good	0.463 \| good	24.066 \| good	0.285 \| good
2026-10-21T05:00:00.000Z	44 \| good	8.094 \| good	35.985 \| good	24.936 \| good	1.137 \| good	31.45 \| good	0.279 \| good
2026-10-21T06:00:00.000Z	44 \| good	8.105 \| good	36.008 \| good	17.311 \| good	1.447 \| good	25.586 \| good	0.258 \| good
2026-10-21T07:00:00.000Z	52 \| moderate	9.73 \| good	43.105 \| good	14.168 \| good	1.245 \| good	24.986 \| good	0.269 \| good
2026-10-21T08:00:00.000Z	54 \| moderate	11.235 \| good	50.192 \| good	12.749 \| good	0.737 \| good	23.775 \| good	0.242 \| good
2026-10-21T09:00:00.000Z	60 \| moderate	13.521 \| fine	61.003 \| fine	11.629 \| good	0.717 \| good	21.73 \| good	0.232 \| good
2026-10-21T10:00:00.000Z	71 \| moderate	20.204 \| fine	88.945 \| fine	9.658 \| good	0.78 \| good	20.919 \| good	0.269 \| good
2026-10-21T11:00:00.000Z	71 \| moderate	20.228 \| fine	88.954 \| fine	11.116 \| good	0.84 \| good	18.876 \| good	0.322 \| good
2026-10-21T12:00:00.000Z	82 \| moderate	25.881 \| fine	112.76 \| fine	8.22 \| good	0.813 \| good	16.015 \| good	0.343 \| good
2026-10-21T13:00:00.000Z	82 \| moderate	25.839 \| fine	112.606 \| fine	7.434 \| good	0.769 \| good	17.775 \| good	0.343 \| good
2026-10-21T14:00:00.000Z	90 \| moderate	30.437 \| fine	132.656 \| fine	9.965 \| good	1.071 \| good	16.62 \| good	0.48 \| good
2026-10-21T15:00:00.000Z	90 \| moderate	30.486 \| fine	132.777 \| fine	10.238 \| good	1.273 \| good	13.747 \| good	0.38 \| good
2026-10-21T16:00:00.000Z	94 \| moderate	32.378 \| fine	140.928 \| fine	15.242 \| good	0.562 \| good	14.01 \| good	0.285 \| good
2026-10-21T17:00:00.000Z	81 \| moderate	25.086 \| fine	108.95 \| fine	28.37 \| good	0.729 \| good	12.25 \| good	0.259 \| good
2026-10-21T18:00:00.000Z	67 \| moderate	17.881 \| fine	78.835 \| fine	32.386 \| good	0.89 \| good	7.685 \| good	0.238 \| good
2026-10-21T19:00:00.000Z	67 \| moderate	17.876 \| fine	78.84 \| fine	40.966 \| good	0.78 \| good	3.424 \| good	0.238 \| good
2026-10-21T20:00:00.000Z	54 \| moderate	10.889 \| good	47.924 \| good	45.722 \| good	0.724 \| good	5.922 \| good	0.238 \| good
2026-10-21T21:00:00.000Z	54 \| moderate	10.891 \| good	47.945 \| good	51.126 \| good	0.803 \| good	6.479 \| good	0.238 \| good
2026-10-21T22:00:00.000Z	49 \| good	8.895 \| good	38.975 \| good	51.749 \| good	0.926 \| good	4.367 \| good	0.238 \| good
2026-10-21T23:00:00.000Z	44 \| good	8.297 \| good	36.968 \| good	44.183 \| good	0.511 \| good	10.507 \| good	0.248 \| good
2026-10-22T00:00:00.000Z	44 \| good	8.199 \| good	36.05 \| good	41.46 \| good	0.414 \| good	13.348 \| good	0.306 \| good
2026-10-22T01:00:00.000Z	49 \| good	8.812 \| good	39.083 \| good	37.795 \| good	0.324 \| good	19.451 \| good	0.358 \| good
2026-10-22T02:00:00.000Z	54 \| moderate	11.218 \| good	50.08 \| good	31.841 \| good	0.3 \| good	23.223 \| good	0.363 \| good
2026-10-22T03:00:00.000Z	52 \| moderate	9.773 \| good	43.56 \| good	9.536 \| good	1.034 \| good	20.376 \| good	0.28 \| good
2026-10-22T04:00:00.000Z	60 \| moderate	13.922 \| fine	63.038 \| fine	12.957 \| good	0.204 \| good	24.505 \| good	0.4 \| good
2026-10-22T05:00:00.000Z	69 \| moderate	18.704 \| fine	82.935 \| fine	7.495 \| good	0.225 \| good	25.899 \| good	0.384 \| good
2026-10-22T06:00:00.000Z	69 \| moderate	19.39 \| fine	84.964 \| fine	3.424 \| good	0.225 \| good	22.253 \| good	0.5 \| good
2026-10-22T07:00:00.000Z	69 \| moderate	19.401 \| fine	84.995 \| fine	10.261 \| good	0.225 \| good	22.337 \| good	0.5 \| good
2026-10-22T08:00:00.000Z	69 \| moderate	19.394 \| fine	84.97 \| fine	12.428 \| good	0.309 \| good	20.978 \| good	0.352 \| good
2026-10-22T09:00:00.000Z	69 \| moderate	19.402 \| fine	84.92 \| fine	11.074 \| good	0.234 \| good	15.707 \| good	0.342 \| good
2026-10-22T10:00:00.000Z	66 \| moderate	17.498 \| fine	76.953 \| fine	12.779 \| good	0.375 \| good	15.087 \| good	0.321 \| good
2026-10-22T11:00:00.000Z	66 \| moderate	16.699 \| fine	74.975 \| fine	3.15 \| good	0.365 \| good	14.536 \| good	0.468 \| good
2026-10-22T12:00:00.000Z	66 \| moderate	16.701 \| fine	75.001 \| fine	7.915 \| good	0.169 \| good	15.289 \| good	0.501 \| good
2026-10-22T13:00:00.000Z	67 \| moderate	17.899 \| fine	78.918 \| fine	3.017 \| good	0.169 \| good	15.076 \| good	0.415 \| good
2026-10-22T14:00:00.000Z	71 \| moderate	19.592 \| fine	86.982 \| fine	5.201 \| good	0.26 \| good	20.968 \| good	0.462 \| good
2026-10-22T15:00:00.000Z	73 \| moderate	20.597 \| fine	90.983 \| fine	12.976 \| good	0.217 \| good	15.669 \| good	0.501 \| good
2026-10-22T16:00:00.000Z	75 \| moderate	22.29 \| fine	96.968 \| fine	18.787 \| good	0.475 \| good	12.066 \| good	0.314 \| good
2026-10-22T17:00:00.000Z	75 \| moderate	22.288 \| fine	96.953 \| fine	22.424 \| good	0.442 \| good	11.365 \| good	0.279 \| good
2026-10-22T18:00:00.000Z	71 \| moderate	20.185 \| fine	88.949 \| fine	31.215 \| good	0.493 \| good	6.728 \| good	0.232 \| good
2026-10-22T19:00:00.000Z	71 \| moderate	20.187 \| fine	88.968 \| fine	43.95 \| good	0.734 \| good	5.671 \| good	0.212 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	15.593 \| fine	68.888 \| fine	46.68 \| good	0.48 \| good	5.883 \| good	0.211 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	15.593 \| fine	68.888 \| fine	46.68 \| good	0.48 \| good	5.883 \| good	0.211 \| good
2026-10-22T21:00:00.000Z	67 \| moderate	3.538 \| good	15.544 \| good	60.271 \| fine	0.451 \| good	1.097 \| good	0.152 \| good
2026-10-22T22:00:00.000Z	49 \| good	3.019 \| good	12.166 \| good	53.323 \| good	0.443 \| good	3.098 \| good	0.167 \| good
2026-10-22T23:00:00.000Z	35 \| good	3.772 \| good	16.491 \| good	38.397 \| good	0.542 \| good	8.983 \| good	0.211 \| good
2026-10-23T00:00:00.000Z	23 \| good	2.514 \| good	10.389 \| good	25.492 \| good	0.665 \| good	15.308 \| good	0.259 \| good
2026-10-23T01:00:00.000Z	27 \| good	5.155 \| good	22.497 \| good	17.516 \| good	0.771 \| good	20.317 \| good	0.293 \| good
2026-10-23T02:00:00.000Z	38 \| good	6.988 \| good	30.492 \| good	18.688 \| good	0.808 \| good	21.1 \| good	0.297 \| good
2026-10-23T03:00:00.000Z	54 \| moderate	10.906 \| good	48.283 \| good	14.397 \| good	0.85 \| good	20.602 \| good	0.291 \| good
2026-10-23T04:00:00.000Z	64 \| moderate	15.632 \| fine	69.821 \| fine	11.965 \| good	0.922 \| good	20.947 \| good	0.291 \| good
2026-10-23T05:00:00.000Z	66 \| moderate	16.741 \| fine	74.394 \| fine	10.726 \| good	0.998 \| good	21.009 \| good	0.291 \| good
2026-10-23T06:00:00.000Z	62 \| moderate	15.087 \| fine	67.406 \| fine	8.169 \| good	1.082 \| good	20.698 \| good	0.289 \| good
2026-10-23T07:00:00.000Z	66 \| moderate	16.884 \| fine	74.741 \| fine	8.333 \| good	1.186 \| good	20.389 \| good	0.287 \| good
2026-10-23T08:00:00.000Z	71 \| moderate	20.398 \| fine	89.783 \| fine	5.36 \| good	1.325 \| good	20.029 \| good	0.286 \| good
2026-10-23T09:00:00.000Z	75 \| moderate	21.554 \| fine	94.654 \| fine	4.04 \| good	1.504 \| good	19.549 \| good	0.284 \| good
2026-10-23T10:00:00.000Z	81 \| moderate	25.372 \| fine	110.857 \| fine	1.261 \| good	1.698 \| good	18.723 \| good	0.283 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	26.743 \| fine	116.108 \| fine	2.023 \| good	1.875 \| good	17.657 \| good	0.281 \| good
2026-10-23T12:00:00.000Z	86 \| moderate	27.548 \| fine	119.901 \| fine	2.922 \| good	2.011 \| good	16.934 \| good	0.281 \| good
2026-10-23T13:00:00.000Z	82 \| moderate	26.173 \| fine	114.075 \| fine	4.521 \| good	2.055 \| good	15.265 \| good	0.286 \| good
2026-10-23T14:00:00.000Z	79 \| moderate	23.742 \| fine	104.108 \| fine	17.165 \| good	1.941 \| good	11.792 \| good	0.289 \| good
2026-10-23T15:00:00.000Z	79 \| moderate	23.867 \| fine	104.374 \| fine	29.687 \| good	1.86 \| good	8.936 \| good	0.272 \| good
2026-10-23T16:00:00.000Z	64 \| moderate	16.206 \| fine	72.214 \| fine	35.31 \| good	1.654 \| good	6.383 \| good	0.243 \| good
2026-10-23T17:00:00.000Z	56 \| moderate	11.868 \| good	52.992 \| good	42.19 \| good	1.423 \| good	3.817 \| good	0.21 \| good
2026-10-23T18:00:00.000Z	52 \| moderate	9.69 \| good	43.088 \| good	49.058 \| good	1.303 \| good	1.877 \| good	0.185 \| good
2026-10-23T19:00:00.000Z	49 \| good	9.417 \| good	42 \| good	53.245 \| good	1.127 \| good	1.151 \| good	0.174 \| good
2026-10-23T20:00:00.000Z	54 \| moderate	8.182 \| good	35.781 \| good	55.699 \| fine	1.03 \| good	1.017 \| good	0.17 \| good
2026-10-23T21:00:00.000Z	51 \| moderate	9.373 \| good	41.994 \| good	55.416 \| fine	1.016 \| good	1.158 \| good	0.17 \| good
2026-10-23T22:00:00.000Z	54 \| moderate	11.065 \| good	48.996 \| good	48.71 \| good	1.018 \| good	2.277 \| good	0.178 \| good
2026-10-23T23:00:00.000Z	62 \| moderate	14.926 \| fine	66.53 \| fine	38.754 \| good	1.034 \| good	4.858 \| good	0.197 \| good
2026-10-24T00:00:00.000Z	62 \| moderate	14.742 \| fine	65.57 \| fine	30.791 \| good	1.108 \| good	7.023 \| good	0.212 \| good
2026-10-24T01:00:00.000Z	56 \| moderate	12.47 \| fine	56.38 \| fine	26.969 \| good	1.236 \| good	8.108 \| good	0.216 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	11.405 \| good	50.458 \| good	26.025 \| good	1.386 \| good	9.262 \| good	0.22 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	12.505 \| fine	56.829 \| fine	27.339 \| good	1.52 \| good	10.296 \| good	0.224 \| good
2026-10-24T04:00:00.000Z	56 \| moderate	12.17 \| fine	54.984 \| good	25.317 \| good	1.605 \| good	10.879 \| good	0.227 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.455 \| fine	55.911 \| fine	23.07 \| good	1.595 \| good	10.592 \| good	0.226 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.667 \| fine	61.434 \| fine	23.61 \| good	1.487 \| good	9.665 \| good	0.223 \| good
2026-10-24T07:00:00.000Z	62 \| moderate	14.584 \| fine	64.933 \| fine	22.497 \| good	1.323 \| good	8.609 \| good	0.22 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	13.052 \| fine	58.51 \| fine	21.57 \| good	1.152 \| good	7.649 \| good	0.217 \| good
2026-10-24T09:00:00.000Z	58 \| moderate	12.507 \| fine	56.189 \| fine	19.389 \| good	1.01 \| good	6.915 \| good	0.215 \| good
2026-10-24T10:00:00.000Z	66 \| moderate	16.68 \| fine	74.044 \| fine	19.727 \| good	0.912 \| good	6.434 \| good	0.214 \| good
2026-10-24T11:00:00.000Z	67 \| moderate	17.56 \| fine	78.224 \| fine	20.231 \| good	0.856 \| good	6.19 \| good	0.214 \| good
2026-10-24T12:00:00.000Z	64 \| moderate	16.438 \| fine	72.989 \| fine	21.848 \| good	0.841 \| good	6.345 \| good	0.216 \| good
2026-10-24T13:00:00.000Z	64 \| moderate	15.679 \| fine	69.912 \| fine	26.675 \| good	0.849 \| good	6.725 \| good	0.22 \| good
2026-10-24T14:00:00.000Z	71 \| moderate	20.146 \| fine	88.714 \| fine	27.742 \| good	0.829 \| good	6.397 \| good	0.227 \| good
2026-10-24T15:00:00.000Z	77 \| moderate	22.541 \| fine	98.938 \| fine	34.924 \| good	0.85 \| good	5.308 \| good	0.223 \| good
2026-10-24T16:00:00.000Z	66 \| moderate	16.933 \| fine	75 \| fine	34.24 \| good	0.886 \| good	4.219 \| good	0.214 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	12.141 \| fine	54.695 \| good	39.498 \| good	0.945 \| good	3.157 \| good	0.203 \| good
2026-10-24T18:00:00.000Z	49 \| good	8.85 \| good	38.832 \| good	43.698 \| good	1.047 \| good	2.311 \| good	0.193 \| good
2026-10-24T19:00:00.000Z	49 \| good	8.736 \| good	38.114 \| good	48.68 \| good	1.146 \| good	1.761 \| good	0.186 \| good
2026-10-24T20:00:00.000Z	49 \| good	8.825 \| good	38.612 \| good	52.844 \| good	1.179 \| good	1.526 \| good	0.182 \| good

Rockford

Get reliable air quality data to drive your business

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

0.26ppm

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 Rockford, Illinois?

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

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

In the past 24 hours, the air quality in Rockford, Illinois was at its worst at 05:00:00 on 2026-10-22.

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

In the last 24 hours, the best air quality in Rockford, Illinois was observed at 12:00:00 on 2026-10-22.

What is the AQI in Rockford, Illinois right now?

As of now, the AQI in Rockford, Illinois is 64, indicating Moderate conditions.

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

Rockford, Illinois air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Rockford, Illinois are currently 15.593 μg/m³.

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

The PM₁₀ concentration in Rockford, Illinois is 68.888 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Rockford, Illinois is 0.211 ppm.

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

Currently, Rockford, Illinois has a sulfur dioxide (SO₂) concentration of 0.48 ppb.

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

The current ozone (O₃) level in Rockford, Illinois at the moment is 46.68 ppm.

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

Nitrogen dioxide (NO₂) level in Rockford, Illinois at the moment is 5.883 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	39 \| good	6.023 \| good	27.206 \| good	41.98 \| good	0.466 \| good	3.606 \| good	0.212 \| good
2026-10-20T22:00:00.000Z	42 \| good	5.721 \| good	25.14 \| good	44.658 \| good	0.618 \| good	2.541 \| good	0.212 \| good
2026-10-20T23:00:00.000Z	42 \| good	5.013 \| good	22.017 \| good	45.076 \| good	0.663 \| good	4.967 \| good	0.222 \| good
2026-10-21T00:00:00.000Z	41 \| good	4.5 \| good	20.014 \| good	44.446 \| good	0.458 \| good	11.907 \| good	0.273 \| good
2026-10-21T01:00:00.000Z	34 \| good	4.605 \| good	20.065 \| good	37.314 \| good	0.48 \| good	13.829 \| good	0.284 \| good
2026-10-21T02:00:00.000Z	33 \| good	5.71 \| good	24.998 \| good	36.098 \| good	0.413 \| good	17.241 \| good	0.294 \| good
2026-10-21T03:00:00.000Z	44 \| good	8.452 \| good	37.023 \| good	14.214 \| good	2.405 \| good	19.745 \| good	0.25 \| good
2026-10-21T04:00:00.000Z	38 \| good	7.095 \| good	31.972 \| good	26.463 \| good	0.463 \| good	24.066 \| good	0.285 \| good
2026-10-21T05:00:00.000Z	44 \| good	8.094 \| good	35.985 \| good	24.936 \| good	1.137 \| good	31.45 \| good	0.279 \| good
2026-10-21T06:00:00.000Z	44 \| good	8.105 \| good	36.008 \| good	17.311 \| good	1.447 \| good	25.586 \| good	0.258 \| good
2026-10-21T07:00:00.000Z	52 \| moderate	9.73 \| good	43.105 \| good	14.168 \| good	1.245 \| good	24.986 \| good	0.269 \| good
2026-10-21T08:00:00.000Z	54 \| moderate	11.235 \| good	50.192 \| good	12.749 \| good	0.737 \| good	23.775 \| good	0.242 \| good
2026-10-21T09:00:00.000Z	60 \| moderate	13.521 \| fine	61.003 \| fine	11.629 \| good	0.717 \| good	21.73 \| good	0.232 \| good
2026-10-21T10:00:00.000Z	71 \| moderate	20.204 \| fine	88.945 \| fine	9.658 \| good	0.78 \| good	20.919 \| good	0.269 \| good
2026-10-21T11:00:00.000Z	71 \| moderate	20.228 \| fine	88.954 \| fine	11.116 \| good	0.84 \| good	18.876 \| good	0.322 \| good
2026-10-21T12:00:00.000Z	82 \| moderate	25.881 \| fine	112.76 \| fine	8.22 \| good	0.813 \| good	16.015 \| good	0.343 \| good
2026-10-21T13:00:00.000Z	82 \| moderate	25.839 \| fine	112.606 \| fine	7.434 \| good	0.769 \| good	17.775 \| good	0.343 \| good
2026-10-21T14:00:00.000Z	90 \| moderate	30.437 \| fine	132.656 \| fine	9.965 \| good	1.071 \| good	16.62 \| good	0.48 \| good
2026-10-21T15:00:00.000Z	90 \| moderate	30.486 \| fine	132.777 \| fine	10.238 \| good	1.273 \| good	13.747 \| good	0.38 \| good
2026-10-21T16:00:00.000Z	94 \| moderate	32.378 \| fine	140.928 \| fine	15.242 \| good	0.562 \| good	14.01 \| good	0.285 \| good
2026-10-21T17:00:00.000Z	81 \| moderate	25.086 \| fine	108.95 \| fine	28.37 \| good	0.729 \| good	12.25 \| good	0.259 \| good
2026-10-21T18:00:00.000Z	67 \| moderate	17.881 \| fine	78.835 \| fine	32.386 \| good	0.89 \| good	7.685 \| good	0.238 \| good
2026-10-21T19:00:00.000Z	67 \| moderate	17.876 \| fine	78.84 \| fine	40.966 \| good	0.78 \| good	3.424 \| good	0.238 \| good
2026-10-21T20:00:00.000Z	54 \| moderate	10.889 \| good	47.924 \| good	45.722 \| good	0.724 \| good	5.922 \| good	0.238 \| good
2026-10-21T21:00:00.000Z	54 \| moderate	10.891 \| good	47.945 \| good	51.126 \| good	0.803 \| good	6.479 \| good	0.238 \| good
2026-10-21T22:00:00.000Z	49 \| good	8.895 \| good	38.975 \| good	51.749 \| good	0.926 \| good	4.367 \| good	0.238 \| good
2026-10-21T23:00:00.000Z	44 \| good	8.297 \| good	36.968 \| good	44.183 \| good	0.511 \| good	10.507 \| good	0.248 \| good
2026-10-22T00:00:00.000Z	44 \| good	8.199 \| good	36.05 \| good	41.46 \| good	0.414 \| good	13.348 \| good	0.306 \| good
2026-10-22T01:00:00.000Z	49 \| good	8.812 \| good	39.083 \| good	37.795 \| good	0.324 \| good	19.451 \| good	0.358 \| good
2026-10-22T02:00:00.000Z	54 \| moderate	11.218 \| good	50.08 \| good	31.841 \| good	0.3 \| good	23.223 \| good	0.363 \| good
2026-10-22T03:00:00.000Z	52 \| moderate	9.773 \| good	43.56 \| good	9.536 \| good	1.034 \| good	20.376 \| good	0.28 \| good
2026-10-22T04:00:00.000Z	60 \| moderate	13.922 \| fine	63.038 \| fine	12.957 \| good	0.204 \| good	24.505 \| good	0.4 \| good
2026-10-22T05:00:00.000Z	69 \| moderate	18.704 \| fine	82.935 \| fine	7.495 \| good	0.225 \| good	25.899 \| good	0.384 \| good
2026-10-22T06:00:00.000Z	69 \| moderate	19.39 \| fine	84.964 \| fine	3.424 \| good	0.225 \| good	22.253 \| good	0.5 \| good
2026-10-22T07:00:00.000Z	69 \| moderate	19.401 \| fine	84.995 \| fine	10.261 \| good	0.225 \| good	22.337 \| good	0.5 \| good
2026-10-22T08:00:00.000Z	69 \| moderate	19.394 \| fine	84.97 \| fine	12.428 \| good	0.309 \| good	20.978 \| good	0.352 \| good
2026-10-22T09:00:00.000Z	69 \| moderate	19.402 \| fine	84.92 \| fine	11.074 \| good	0.234 \| good	15.707 \| good	0.342 \| good
2026-10-22T10:00:00.000Z	66 \| moderate	17.498 \| fine	76.953 \| fine	12.779 \| good	0.375 \| good	15.087 \| good	0.321 \| good
2026-10-22T11:00:00.000Z	66 \| moderate	16.699 \| fine	74.975 \| fine	3.15 \| good	0.365 \| good	14.536 \| good	0.468 \| good
2026-10-22T12:00:00.000Z	66 \| moderate	16.701 \| fine	75.001 \| fine	7.915 \| good	0.169 \| good	15.289 \| good	0.501 \| good
2026-10-22T13:00:00.000Z	67 \| moderate	17.899 \| fine	78.918 \| fine	3.017 \| good	0.169 \| good	15.076 \| good	0.415 \| good
2026-10-22T14:00:00.000Z	71 \| moderate	19.592 \| fine	86.982 \| fine	5.201 \| good	0.26 \| good	20.968 \| good	0.462 \| good
2026-10-22T15:00:00.000Z	73 \| moderate	20.597 \| fine	90.983 \| fine	12.976 \| good	0.217 \| good	15.669 \| good	0.501 \| good
2026-10-22T16:00:00.000Z	75 \| moderate	22.29 \| fine	96.968 \| fine	18.787 \| good	0.475 \| good	12.066 \| good	0.314 \| good
2026-10-22T17:00:00.000Z	75 \| moderate	22.288 \| fine	96.953 \| fine	22.424 \| good	0.442 \| good	11.365 \| good	0.279 \| good
2026-10-22T18:00:00.000Z	71 \| moderate	20.185 \| fine	88.949 \| fine	31.215 \| good	0.493 \| good	6.728 \| good	0.232 \| good
2026-10-22T19:00:00.000Z	71 \| moderate	20.187 \| fine	88.968 \| fine	43.95 \| good	0.734 \| good	5.671 \| good	0.212 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	15.593 \| fine	68.888 \| fine	46.68 \| good	0.48 \| good	5.883 \| good	0.211 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	15.593 \| fine	68.888 \| fine	46.68 \| good	0.48 \| good	5.883 \| good	0.211 \| good
2026-10-22T21:00:00.000Z	67 \| moderate	3.538 \| good	15.544 \| good	60.271 \| fine	0.451 \| good	1.097 \| good	0.152 \| good
2026-10-22T22:00:00.000Z	49 \| good	3.019 \| good	12.166 \| good	53.323 \| good	0.443 \| good	3.098 \| good	0.167 \| good
2026-10-22T23:00:00.000Z	35 \| good	3.772 \| good	16.491 \| good	38.397 \| good	0.542 \| good	8.983 \| good	0.211 \| good
2026-10-23T00:00:00.000Z	23 \| good	2.514 \| good	10.389 \| good	25.492 \| good	0.665 \| good	15.308 \| good	0.259 \| good
2026-10-23T01:00:00.000Z	27 \| good	5.155 \| good	22.497 \| good	17.516 \| good	0.771 \| good	20.317 \| good	0.293 \| good
2026-10-23T02:00:00.000Z	38 \| good	6.988 \| good	30.492 \| good	18.688 \| good	0.808 \| good	21.1 \| good	0.297 \| good
2026-10-23T03:00:00.000Z	54 \| moderate	10.906 \| good	48.283 \| good	14.397 \| good	0.85 \| good	20.602 \| good	0.291 \| good
2026-10-23T04:00:00.000Z	64 \| moderate	15.632 \| fine	69.821 \| fine	11.965 \| good	0.922 \| good	20.947 \| good	0.291 \| good
2026-10-23T05:00:00.000Z	66 \| moderate	16.741 \| fine	74.394 \| fine	10.726 \| good	0.998 \| good	21.009 \| good	0.291 \| good
2026-10-23T06:00:00.000Z	62 \| moderate	15.087 \| fine	67.406 \| fine	8.169 \| good	1.082 \| good	20.698 \| good	0.289 \| good
2026-10-23T07:00:00.000Z	66 \| moderate	16.884 \| fine	74.741 \| fine	8.333 \| good	1.186 \| good	20.389 \| good	0.287 \| good
2026-10-23T08:00:00.000Z	71 \| moderate	20.398 \| fine	89.783 \| fine	5.36 \| good	1.325 \| good	20.029 \| good	0.286 \| good
2026-10-23T09:00:00.000Z	75 \| moderate	21.554 \| fine	94.654 \| fine	4.04 \| good	1.504 \| good	19.549 \| good	0.284 \| good
2026-10-23T10:00:00.000Z	81 \| moderate	25.372 \| fine	110.857 \| fine	1.261 \| good	1.698 \| good	18.723 \| good	0.283 \| good
2026-10-23T11:00:00.000Z	84 \| moderate	26.743 \| fine	116.108 \| fine	2.023 \| good	1.875 \| good	17.657 \| good	0.281 \| good
2026-10-23T12:00:00.000Z	86 \| moderate	27.548 \| fine	119.901 \| fine	2.922 \| good	2.011 \| good	16.934 \| good	0.281 \| good
2026-10-23T13:00:00.000Z	82 \| moderate	26.173 \| fine	114.075 \| fine	4.521 \| good	2.055 \| good	15.265 \| good	0.286 \| good
2026-10-23T14:00:00.000Z	79 \| moderate	23.742 \| fine	104.108 \| fine	17.165 \| good	1.941 \| good	11.792 \| good	0.289 \| good
2026-10-23T15:00:00.000Z	79 \| moderate	23.867 \| fine	104.374 \| fine	29.687 \| good	1.86 \| good	8.936 \| good	0.272 \| good
2026-10-23T16:00:00.000Z	64 \| moderate	16.206 \| fine	72.214 \| fine	35.31 \| good	1.654 \| good	6.383 \| good	0.243 \| good
2026-10-23T17:00:00.000Z	56 \| moderate	11.868 \| good	52.992 \| good	42.19 \| good	1.423 \| good	3.817 \| good	0.21 \| good
2026-10-23T18:00:00.000Z	52 \| moderate	9.69 \| good	43.088 \| good	49.058 \| good	1.303 \| good	1.877 \| good	0.185 \| good
2026-10-23T19:00:00.000Z	49 \| good	9.417 \| good	42 \| good	53.245 \| good	1.127 \| good	1.151 \| good	0.174 \| good
2026-10-23T20:00:00.000Z	54 \| moderate	8.182 \| good	35.781 \| good	55.699 \| fine	1.03 \| good	1.017 \| good	0.17 \| good
2026-10-23T21:00:00.000Z	51 \| moderate	9.373 \| good	41.994 \| good	55.416 \| fine	1.016 \| good	1.158 \| good	0.17 \| good
2026-10-23T22:00:00.000Z	54 \| moderate	11.065 \| good	48.996 \| good	48.71 \| good	1.018 \| good	2.277 \| good	0.178 \| good
2026-10-23T23:00:00.000Z	62 \| moderate	14.926 \| fine	66.53 \| fine	38.754 \| good	1.034 \| good	4.858 \| good	0.197 \| good
2026-10-24T00:00:00.000Z	62 \| moderate	14.742 \| fine	65.57 \| fine	30.791 \| good	1.108 \| good	7.023 \| good	0.212 \| good
2026-10-24T01:00:00.000Z	56 \| moderate	12.47 \| fine	56.38 \| fine	26.969 \| good	1.236 \| good	8.108 \| good	0.216 \| good
2026-10-24T02:00:00.000Z	54 \| moderate	11.405 \| good	50.458 \| good	26.025 \| good	1.386 \| good	9.262 \| good	0.22 \| good
2026-10-24T03:00:00.000Z	58 \| moderate	12.505 \| fine	56.829 \| fine	27.339 \| good	1.52 \| good	10.296 \| good	0.224 \| good
2026-10-24T04:00:00.000Z	56 \| moderate	12.17 \| fine	54.984 \| good	25.317 \| good	1.605 \| good	10.879 \| good	0.227 \| good
2026-10-24T05:00:00.000Z	56 \| moderate	12.455 \| fine	55.911 \| fine	23.07 \| good	1.595 \| good	10.592 \| good	0.226 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	13.667 \| fine	61.434 \| fine	23.61 \| good	1.487 \| good	9.665 \| good	0.223 \| good
2026-10-24T07:00:00.000Z	62 \| moderate	14.584 \| fine	64.933 \| fine	22.497 \| good	1.323 \| good	8.609 \| good	0.22 \| good
2026-10-24T08:00:00.000Z	58 \| moderate	13.052 \| fine	58.51 \| fine	21.57 \| good	1.152 \| good	7.649 \| good	0.217 \| good
2026-10-24T09:00:00.000Z	58 \| moderate	12.507 \| fine	56.189 \| fine	19.389 \| good	1.01 \| good	6.915 \| good	0.215 \| good
2026-10-24T10:00:00.000Z	66 \| moderate	16.68 \| fine	74.044 \| fine	19.727 \| good	0.912 \| good	6.434 \| good	0.214 \| good
2026-10-24T11:00:00.000Z	67 \| moderate	17.56 \| fine	78.224 \| fine	20.231 \| good	0.856 \| good	6.19 \| good	0.214 \| good
2026-10-24T12:00:00.000Z	64 \| moderate	16.438 \| fine	72.989 \| fine	21.848 \| good	0.841 \| good	6.345 \| good	0.216 \| good
2026-10-24T13:00:00.000Z	64 \| moderate	15.679 \| fine	69.912 \| fine	26.675 \| good	0.849 \| good	6.725 \| good	0.22 \| good
2026-10-24T14:00:00.000Z	71 \| moderate	20.146 \| fine	88.714 \| fine	27.742 \| good	0.829 \| good	6.397 \| good	0.227 \| good
2026-10-24T15:00:00.000Z	77 \| moderate	22.541 \| fine	98.938 \| fine	34.924 \| good	0.85 \| good	5.308 \| good	0.223 \| good
2026-10-24T16:00:00.000Z	66 \| moderate	16.933 \| fine	75 \| fine	34.24 \| good	0.886 \| good	4.219 \| good	0.214 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	12.141 \| fine	54.695 \| good	39.498 \| good	0.945 \| good	3.157 \| good	0.203 \| good
2026-10-24T18:00:00.000Z	49 \| good	8.85 \| good	38.832 \| good	43.698 \| good	1.047 \| good	2.311 \| good	0.193 \| good
2026-10-24T19:00:00.000Z	49 \| good	8.736 \| good	38.114 \| good	48.68 \| good	1.146 \| good	1.761 \| good	0.186 \| good
2026-10-24T20:00:00.000Z	49 \| good	8.825 \| good	38.612 \| good	52.844 \| good	1.179 \| good	1.526 \| good	0.182 \| good

Live air quality index in Rockford, Illinois today

Major air pollutants in Rockford, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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

Air quality in nearby cities

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Frequently asked questions

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

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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 PM_2.5 level in Rockford, Illinois at the moment?

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