What are the current PM10 levels at Freeport, Illinois?

The current PM10 levels in Freeport, Illinois are 17.428 μg/m3.

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

The current sulfur dioxide (SO2) levels in Freeport, Illinois are 0.265 ppb.

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

The current ozone (O3) levels at Freeport, Illinois is 44.569 ppm.

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

The current nitrogen dioxide (NO2) levels at Freeport, Illinois is 2.921 ppb.

Real-time air quality index in Freeport, Illinois today

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

The measured PM2.5 levels in Freeport, Illinois at present are 3.522 μg/m3.

Stay updated with real-time air quality in Freeport, 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

Freeport, Illinois

Last updated: ... (Local time)

Common air pollutants in Freeport, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.52 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.43 μg/m³

155

255

425

605+

Ozone (O₃)

44.57 ppb

201

201+

Sulfur Dioxide (SO₂)

0.27 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Freeport, Illinois

Get Live Pollen Counts

Freeport, Illinois

Scroll To Air Quality Map

Track live Freeport, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-11T22:00:00.000Z	39 \| good	3.218 \| good	18.224 \| good	42.231 \| good	0.456 \| good	4.04 \| good	0.121 \| good
2026-06-11T23:00:00.000Z	37 \| good	3.121 \| good	9.685 \| good	39.623 \| good	0.37 \| good	4.68 \| good	0.151 \| good
2026-06-12T00:00:00.000Z	37 \| good	2.862 \| good	10.413 \| good	39.999 \| good	0.533 \| good	3.799 \| good	0.121 \| good
2026-06-12T01:00:00.000Z	35 \| good	2.051 \| good	7.566 \| good	38.382 \| good	0.444 \| good	3.813 \| good	0.131 \| good
2026-06-12T02:00:00.000Z	39 \| good	1.923 \| good	10.239 \| good	42.05 \| good	0.353 \| good	5.677 \| good	0.141 \| good
2026-06-12T03:00:00.000Z	41 \| good	2.383 \| good	14.821 \| good	43.56 \| good	0.369 \| good	4.182 \| good	0.121 \| good
2026-06-12T04:00:00.000Z	37 \| good	2.999 \| good	11.553 \| good	39.875 \| good	0.39 \| good	3.002 \| good	0.121 \| good
2026-06-12T05:00:00.000Z	36 \| good	2.698 \| good	15.179 \| good	39.32 \| good	0.292 \| good	2.534 \| good	0.121 \| good
2026-06-12T06:00:00.000Z	37 \| good	3.539 \| good	18.458 \| good	40.092 \| good	0.269 \| good	3.12 \| good	0.121 \| good
2026-06-12T07:00:00.000Z	36 \| good	3.132 \| good	19.076 \| good	39.226 \| good	0.269 \| good	3.752 \| good	0.121 \| good
2026-06-12T08:00:00.000Z	35 \| good	4.651 \| good	22.194 \| good	37.755 \| good	0.242 \| good	2.934 \| good	0.1 \| good
2026-06-12T09:00:00.000Z	33 \| good	3.307 \| good	16.519 \| good	35.964 \| good	0.34 \| good	3.374 \| good	0.1 \| good
2026-06-12T10:00:00.000Z	34 \| good	3.458 \| good	15.816 \| good	37.17 \| good	0.333 \| good	4.492 \| good	0.121 \| good
2026-06-12T11:00:00.000Z	31 \| good	3.25 \| good	14.208 \| good	33.678 \| good	0.3 \| good	6.574 \| good	0.141 \| good
2026-06-12T12:00:00.000Z	30 \| good	4.127 \| good	13.749 \| good	31.826 \| good	0.351 \| good	7.996 \| good	0.151 \| good
2026-06-12T13:00:00.000Z	27 \| good	3.151 \| good	15.384 \| good	28.935 \| good	0.333 \| good	7.233 \| good	0.151 \| good
2026-06-12T14:00:00.000Z	30 \| good	4.448 \| good	14.108 \| good	31.988 \| good	0.43 \| good	5.667 \| good	0.151 \| good
2026-06-12T15:00:00.000Z	31 \| good	2.772 \| good	18.507 \| good	33.297 \| good	0.373 \| good	4.523 \| good	0.141 \| good
2026-06-12T16:00:00.000Z	32 \| good	2.64 \| good	17.423 \| good	34.931 \| good	0.499 \| good	4.171 \| good	0.122 \| good
2026-06-12T17:00:00.000Z	33 \| good	2.63 \| good	13.676 \| good	36.201 \| good	0.557 \| good	3.619 \| good	0.122 \| good
2026-06-12T18:00:00.000Z	36 \| good	2.819 \| good	12.359 \| good	38.878 \| good	0.509 \| good	2.837 \| good	0.132 \| good
2026-06-12T19:00:00.000Z	37 \| good	2.599 \| good	12.956 \| good	39.702 \| good	0.327 \| good	3.038 \| good	0.143 \| good
2026-06-12T20:00:00.000Z	38 \| good	2.666 \| good	14.504 \| good	40.696 \| good	0.571 \| good	2.937 \| good	0.122 \| good
2026-06-12T21:00:00.000Z	40 \| good	2.791 \| good	12.312 \| good	43.434 \| good	0.388 \| good	2.613 \| good	0.143 \| good
2026-06-12T22:00:00.000Z	41 \| good	2.839 \| good	12.485 \| good	44.447 \| good	0.541 \| good	3.112 \| good	0.165 \| good
2026-06-12T23:00:00.000Z	41 \| good	4.528 \| good	13.11 \| good	44.248 \| good	0.535 \| good	3.013 \| good	0.165 \| good
2026-06-13T00:00:00.000Z	44 \| good	2.703 \| good	10.045 \| good	46.687 \| good	0.491 \| good	3.357 \| good	0.164 \| good
2026-06-13T01:00:00.000Z	38 \| good	2.794 \| good	12.295 \| good	40.737 \| good	0.213 \| good	3.775 \| good	0.186 \| good
2026-06-13T02:00:00.000Z	38 \| good	3.006 \| good	14.202 \| good	41.42 \| good	0.134 \| good	8.184 \| good	0.207 \| good
2026-06-13T03:00:00.000Z	37 \| good	4.616 \| good	20.902 \| good	40.179 \| good	0.197 \| good	11.592 \| good	0.25 \| good
2026-06-13T04:00:00.000Z	35 \| good	5.955 \| good	20.456 \| good	37.889 \| good	0.374 \| good	10.502 \| good	0.26 \| good
2026-06-13T05:00:00.000Z	36 \| good	5.983 \| good	28.139 \| good	38.76 \| good	0.228 \| good	9.175 \| good	0.238 \| good
2026-06-13T06:00:00.000Z	36 \| good	5.367 \| good	29.136 \| good	38.838 \| good	0.432 \| good	8.522 \| good	0.192 \| good
2026-06-13T07:00:00.000Z	32 \| good	5.224 \| good	25.907 \| good	35.172 \| good	0.416 \| good	7.283 \| good	0.192 \| good
2026-06-13T08:00:00.000Z	29 \| good	3.982 \| good	21.754 \| good	31.051 \| good	0.177 \| good	4.192 \| good	0.161 \| good
2026-06-13T09:00:00.000Z	27 \| good	4.795 \| good	22.151 \| good	27.748 \| good	0.36 \| good	4.677 \| good	0.131 \| good
2026-06-13T10:00:00.000Z	28 \| good	3.524 \| good	16.253 \| good	29.901 \| good	0.325 \| good	3.997 \| good	0.131 \| good
2026-06-13T11:00:00.000Z	27 \| good	3.695 \| good	14.45 \| good	28.608 \| good	0.355 \| good	4.23 \| good	0.151 \| good
2026-06-13T12:00:00.000Z	26 \| good	3.591 \| good	17.409 \| good	27.733 \| good	0.362 \| good	5.082 \| good	0.172 \| good
2026-06-13T13:00:00.000Z	24 \| good	3.392 \| good	15.788 \| good	26.113 \| good	0.377 \| good	4.911 \| good	0.172 \| good
2026-06-13T14:00:00.000Z	31 \| good	3.233 \| good	14.585 \| good	32.734 \| good	0.32 \| good	2.945 \| good	0.185 \| good
2026-06-13T15:00:00.000Z	32 \| good	2.812 \| good	13.176 \| good	34.612 \| good	0.411 \| good	2.603 \| good	0.185 \| good
2026-06-13T16:00:00.000Z	36 \| good	2.859 \| good	15.15 \| good	38.848 \| good	0.659 \| good	3.269 \| good	0.175 \| good
2026-06-13T17:00:00.000Z	37 \| good	3.407 \| good	15.385 \| good	39.861 \| good	0.412 \| good	3.171 \| good	0.182 \| good
2026-06-13T18:00:00.000Z	39 \| good	3.511 \| good	14.074 \| good	42.193 \| good	0.331 \| good	2.217 \| good	0.151 \| good
2026-06-13T19:00:00.000Z	39 \| good	3.675 \| good	14.54 \| good	41.569 \| good	0.265 \| good	2.737 \| good	0.182 \| good
2026-06-13T20:00:00.000Z	42 \| good	3.522 \| good	17.428 \| good	44.569 \| good	0.265 \| good	2.921 \| good	0.182 \| good
2026-06-13T21:00:00.000Z	41 \| good	3.058 \| good	15.098 \| good	44.411 \| good	0.265 \| good	2.235 \| good	0.182 \| good
2026-06-13T21:00:00.000Z	42 \| good	3.522 \| good	17.428 \| good	44.569 \| good	0.265 \| good	2.921 \| good	0.182 \| good
2026-06-13T22:00:00.000Z	39 \| good	4.844 \| good	21.102 \| good	41.728 \| good	0.335 \| good	0.735 \| good	0.142 \| good
2026-06-13T23:00:00.000Z	34 \| good	4.448 \| good	19.447 \| good	37.439 \| good	0.273 \| good	1.298 \| good	0.146 \| good
2026-06-14T00:00:00.000Z	36 \| good	4.493 \| good	19.485 \| good	38.852 \| good	0.239 \| good	1.796 \| good	0.148 \| good
2026-06-14T01:00:00.000Z	36 \| good	3.978 \| good	17.084 \| good	38.892 \| good	0.211 \| good	2.578 \| good	0.148 \| good
2026-06-14T02:00:00.000Z	31 \| good	2.906 \| good	11.808 \| good	34.26 \| good	0.196 \| good	3.546 \| good	0.147 \| good
2026-06-14T03:00:00.000Z	29 \| good	2.823 \| good	11.382 \| good	30.532 \| good	0.179 \| good	4.192 \| good	0.143 \| good
2026-06-14T04:00:00.000Z	29 \| good	2.204 \| good	8.968 \| good	30.617 \| good	0.152 \| good	3.915 \| good	0.135 \| good
2026-06-14T05:00:00.000Z	28 \| good	1.88 \| good	7.862 \| good	30.492 \| good	0.117 \| good	3.134 \| good	0.121 \| good
2026-06-14T06:00:00.000Z	27 \| good	1.221 \| good	4.894 \| good	29.146 \| good	0.094 \| good	2.418 \| good	0.112 \| good
2026-06-14T07:00:00.000Z	25 \| good	0.87 \| good	3.105 \| good	27.172 \| good	0.101 \| good	2.098 \| good	0.111 \| good
2026-06-14T08:00:00.000Z	21 \| good	0.489 \| good	1.922 \| good	23.404 \| good	0.101 \| good	1.799 \| good	0.113 \| good
2026-06-14T09:00:00.000Z	19 \| good	0.516 \| good	1.962 \| good	20.626 \| good	0.086 \| good	1.618 \| good	0.113 \| good
2026-06-14T10:00:00.000Z	18 \| good	0.288 \| good	1.138 \| good	19.477 \| good	0.076 \| good	1.675 \| good	0.113 \| good
2026-06-14T11:00:00.000Z	19 \| good	0.5 \| good	1.886 \| good	20.708 \| good	0.075 \| good	1.853 \| good	0.114 \| good
2026-06-14T12:00:00.000Z	22 \| good	0.2 \| good	0.592 \| good	24.058 \| good	0.068 \| good	1.427 \| good	0.114 \| good
2026-06-14T13:00:00.000Z	24 \| good	0.374 \| good	1.304 \| good	26.457 \| good	0.056 \| good	0.971 \| good	0.113 \| good
2026-06-14T14:00:00.000Z	28 \| good	0.594 \| good	2.039 \| good	29.727 \| good	0.05 \| good	0.593 \| good	0.11 \| good
2026-06-14T15:00:00.000Z	28 \| good	0.403 \| good	1.724 \| good	30.155 \| good	0.04 \| good	0.408 \| good	0.107 \| good
2026-06-14T16:00:00.000Z	29 \| good	0.343 \| good	1.105 \| good	30.82 \| good	0.031 \| good	0.338 \| good	0.106 \| good
2026-06-14T17:00:00.000Z	31 \| good	0.44 \| good	1.862 \| good	33.117 \| good	0.026 \| good	0.327 \| good	0.106 \| good
2026-06-14T18:00:00.000Z	32 \| good	0.865 \| good	3.084 \| good	35.095 \| good	0.022 \| good	0.314 \| good	0.106 \| good
2026-06-14T19:00:00.000Z	33 \| good	0.799 \| good	3.084 \| good	35.803 \| good	0.018 \| good	0.281 \| good	0.105 \| good
2026-06-14T20:00:00.000Z	35 \| good	0.731 \| good	2.895 \| good	38.049 \| good	0.016 \| good	0.276 \| good	0.104 \| good
2026-06-14T21:00:00.000Z	39 \| good	0.483 \| good	1.93 \| good	42.086 \| good	0.015 \| good	0.266 \| good	0.103 \| good
2026-06-14T22:00:00.000Z	41 \| good	0.336 \| good	1.092 \| good	43.767 \| good	0.016 \| good	0.295 \| good	0.103 \| good
2026-06-14T23:00:00.000Z	40 \| good	0.298 \| good	1.031 \| good	43.058 \| good	0.019 \| good	0.335 \| good	0.102 \| good
2026-06-15T00:00:00.000Z	37 \| good	0.327 \| good	1 \| good	39.572 \| good	0.023 \| good	0.703 \| good	0.104 \| good
2026-06-15T01:00:00.000Z	28 \| good	1.112 \| good	4.664 \| good	29.501 \| good	0.031 \| good	1.632 \| good	0.109 \| good
2026-06-15T02:00:00.000Z	26 \| good	0.765 \| good	2.863 \| good	27.549 \| good	0.045 \| good	3.433 \| good	0.117 \| good
2026-06-15T03:00:00.000Z	24 \| good	0.651 \| good	2.222 \| good	26.169 \| good	0.059 \| good	4.938 \| good	0.123 \| good
2026-06-15T04:00:00.000Z	23 \| good	0.269 \| good	0.986 \| good	24.918 \| good	0.075 \| good	6.483 \| good	0.13 \| good
2026-06-15T05:00:00.000Z	22 \| good	0.524 \| good	1.969 \| good	23.819 \| good	0.084 \| good	7.269 \| good	0.134 \| good
2026-06-15T06:00:00.000Z	22 \| good	0.539 \| good	2 \| good	24.241 \| good	0.087 \| good	6.714 \| good	0.132 \| good
2026-06-15T07:00:00.000Z	23 \| good	0.322 \| good	1.035 \| good	24.602 \| good	0.096 \| good	6.103 \| good	0.128 \| good
2026-06-15T08:00:00.000Z	22 \| good	0.175 \| good	0.121 \| good	24.032 \| good	0.111 \| good	5.451 \| good	0.124 \| good
2026-06-15T09:00:00.000Z	20 \| good	0.434 \| good	1.895 \| good	22.099 \| good	0.132 \| good	5.119 \| good	0.121 \| good
2026-06-15T10:00:00.000Z	23 \| good	0.888 \| good	3.415 \| good	25.257 \| good	0.152 \| good	5.183 \| good	0.121 \| good
2026-06-15T11:00:00.000Z	24 \| good	0.954 \| good	4 \| good	25.972 \| good	0.157 \| good	5.179 \| good	0.122 \| good
2026-06-15T12:00:00.000Z	25 \| good	0.561 \| good	2 \| good	27.401 \| good	0.143 \| good	3.9 \| good	0.123 \| good
2026-06-15T13:00:00.000Z	28 \| good	0.759 \| good	2.933 \| good	30.28 \| good	0.139 \| good	3.159 \| good	0.123 \| good
2026-06-15T14:00:00.000Z	31 \| good	0.988 \| good	4 \| good	32.734 \| good	0.135 \| good	2.565 \| good	0.122 \| good
2026-06-15T15:00:00.000Z	31 \| good	0.885 \| good	3.509 \| good	33.49 \| good	0.139 \| good	1.927 \| good	0.119 \| good
2026-06-15T16:00:00.000Z	31 \| good	1.231 \| good	5 \| good	33.341 \| good	0.146 \| good	1.179 \| good	0.115 \| good
2026-06-15T17:00:00.000Z	31 \| good	0.973 \| good	3.813 \| good	32.707 \| good	0.141 \| good	0.54 \| good	0.107 \| good
2026-06-15T18:00:00.000Z	31 \| good	1.307 \| good	5 \| good	33.43 \| good	0.132 \| good	0.391 \| good	0.105 \| good
2026-06-15T19:00:00.000Z	30 \| good	1.349 \| good	5.192 \| good	32.293 \| good	0.124 \| good	0.363 \| good	0.104 \| good
2026-06-15T20:00:00.000Z	28 \| good	2.121 \| good	8.58 \| good	29.946 \| good	0.114 \| good	0.385 \| good	0.103 \| good
2026-06-15T21:00:00.000Z	29 \| good	2.824 \| good	11.67 \| good	31.029 \| good	0.102 \| good	0.435 \| good	0.103 \| good

Freeport

Empower business decisions with accurate air quality data

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

0.18ppm

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 Freeport, Illinois updated?

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

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

The worst air quality in Freeport, Illinois was recorded at 12:00:00 on 2026-06-13.

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

The best air quality in Freeport, Illinois was recorded at 01:00:00 on 2026-06-13.

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

The real-time air quality index in Freeport, Illinois is 42, currently categorized as Good.

Which pollutant is found most often in Freeport, Illinois?

The most common pollutant in Freeport, Illinois is O3.

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

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

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

The measured PM_2.5 levels in Freeport, Illinois at present are 3.522 μg/m³.

What are the current PM₁₀ levels at Freeport, Illinois?

The current PM₁₀ levels in Freeport, Illinois are 17.428 μg/m³.

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

The current carbon monoxide (CO) level in Freeport, Illinois is 0.182 ppm.

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

The current sulfur dioxide (SO₂) levels in Freeport, Illinois are 0.265 ppb.

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

The current ozone (O₃) levels at Freeport, Illinois is 44.569 ppm.

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

The current nitrogen dioxide (NO₂) levels at Freeport, Illinois is 2.921 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-11T22:00:00.000Z	39 \| good	3.218 \| good	18.224 \| good	42.231 \| good	0.456 \| good	4.04 \| good	0.121 \| good
2026-06-11T23:00:00.000Z	37 \| good	3.121 \| good	9.685 \| good	39.623 \| good	0.37 \| good	4.68 \| good	0.151 \| good
2026-06-12T00:00:00.000Z	37 \| good	2.862 \| good	10.413 \| good	39.999 \| good	0.533 \| good	3.799 \| good	0.121 \| good
2026-06-12T01:00:00.000Z	35 \| good	2.051 \| good	7.566 \| good	38.382 \| good	0.444 \| good	3.813 \| good	0.131 \| good
2026-06-12T02:00:00.000Z	39 \| good	1.923 \| good	10.239 \| good	42.05 \| good	0.353 \| good	5.677 \| good	0.141 \| good
2026-06-12T03:00:00.000Z	41 \| good	2.383 \| good	14.821 \| good	43.56 \| good	0.369 \| good	4.182 \| good	0.121 \| good
2026-06-12T04:00:00.000Z	37 \| good	2.999 \| good	11.553 \| good	39.875 \| good	0.39 \| good	3.002 \| good	0.121 \| good
2026-06-12T05:00:00.000Z	36 \| good	2.698 \| good	15.179 \| good	39.32 \| good	0.292 \| good	2.534 \| good	0.121 \| good
2026-06-12T06:00:00.000Z	37 \| good	3.539 \| good	18.458 \| good	40.092 \| good	0.269 \| good	3.12 \| good	0.121 \| good
2026-06-12T07:00:00.000Z	36 \| good	3.132 \| good	19.076 \| good	39.226 \| good	0.269 \| good	3.752 \| good	0.121 \| good
2026-06-12T08:00:00.000Z	35 \| good	4.651 \| good	22.194 \| good	37.755 \| good	0.242 \| good	2.934 \| good	0.1 \| good
2026-06-12T09:00:00.000Z	33 \| good	3.307 \| good	16.519 \| good	35.964 \| good	0.34 \| good	3.374 \| good	0.1 \| good
2026-06-12T10:00:00.000Z	34 \| good	3.458 \| good	15.816 \| good	37.17 \| good	0.333 \| good	4.492 \| good	0.121 \| good
2026-06-12T11:00:00.000Z	31 \| good	3.25 \| good	14.208 \| good	33.678 \| good	0.3 \| good	6.574 \| good	0.141 \| good
2026-06-12T12:00:00.000Z	30 \| good	4.127 \| good	13.749 \| good	31.826 \| good	0.351 \| good	7.996 \| good	0.151 \| good
2026-06-12T13:00:00.000Z	27 \| good	3.151 \| good	15.384 \| good	28.935 \| good	0.333 \| good	7.233 \| good	0.151 \| good
2026-06-12T14:00:00.000Z	30 \| good	4.448 \| good	14.108 \| good	31.988 \| good	0.43 \| good	5.667 \| good	0.151 \| good
2026-06-12T15:00:00.000Z	31 \| good	2.772 \| good	18.507 \| good	33.297 \| good	0.373 \| good	4.523 \| good	0.141 \| good
2026-06-12T16:00:00.000Z	32 \| good	2.64 \| good	17.423 \| good	34.931 \| good	0.499 \| good	4.171 \| good	0.122 \| good
2026-06-12T17:00:00.000Z	33 \| good	2.63 \| good	13.676 \| good	36.201 \| good	0.557 \| good	3.619 \| good	0.122 \| good
2026-06-12T18:00:00.000Z	36 \| good	2.819 \| good	12.359 \| good	38.878 \| good	0.509 \| good	2.837 \| good	0.132 \| good
2026-06-12T19:00:00.000Z	37 \| good	2.599 \| good	12.956 \| good	39.702 \| good	0.327 \| good	3.038 \| good	0.143 \| good
2026-06-12T20:00:00.000Z	38 \| good	2.666 \| good	14.504 \| good	40.696 \| good	0.571 \| good	2.937 \| good	0.122 \| good
2026-06-12T21:00:00.000Z	40 \| good	2.791 \| good	12.312 \| good	43.434 \| good	0.388 \| good	2.613 \| good	0.143 \| good
2026-06-12T22:00:00.000Z	41 \| good	2.839 \| good	12.485 \| good	44.447 \| good	0.541 \| good	3.112 \| good	0.165 \| good
2026-06-12T23:00:00.000Z	41 \| good	4.528 \| good	13.11 \| good	44.248 \| good	0.535 \| good	3.013 \| good	0.165 \| good
2026-06-13T00:00:00.000Z	44 \| good	2.703 \| good	10.045 \| good	46.687 \| good	0.491 \| good	3.357 \| good	0.164 \| good
2026-06-13T01:00:00.000Z	38 \| good	2.794 \| good	12.295 \| good	40.737 \| good	0.213 \| good	3.775 \| good	0.186 \| good
2026-06-13T02:00:00.000Z	38 \| good	3.006 \| good	14.202 \| good	41.42 \| good	0.134 \| good	8.184 \| good	0.207 \| good
2026-06-13T03:00:00.000Z	37 \| good	4.616 \| good	20.902 \| good	40.179 \| good	0.197 \| good	11.592 \| good	0.25 \| good
2026-06-13T04:00:00.000Z	35 \| good	5.955 \| good	20.456 \| good	37.889 \| good	0.374 \| good	10.502 \| good	0.26 \| good
2026-06-13T05:00:00.000Z	36 \| good	5.983 \| good	28.139 \| good	38.76 \| good	0.228 \| good	9.175 \| good	0.238 \| good
2026-06-13T06:00:00.000Z	36 \| good	5.367 \| good	29.136 \| good	38.838 \| good	0.432 \| good	8.522 \| good	0.192 \| good
2026-06-13T07:00:00.000Z	32 \| good	5.224 \| good	25.907 \| good	35.172 \| good	0.416 \| good	7.283 \| good	0.192 \| good
2026-06-13T08:00:00.000Z	29 \| good	3.982 \| good	21.754 \| good	31.051 \| good	0.177 \| good	4.192 \| good	0.161 \| good
2026-06-13T09:00:00.000Z	27 \| good	4.795 \| good	22.151 \| good	27.748 \| good	0.36 \| good	4.677 \| good	0.131 \| good
2026-06-13T10:00:00.000Z	28 \| good	3.524 \| good	16.253 \| good	29.901 \| good	0.325 \| good	3.997 \| good	0.131 \| good
2026-06-13T11:00:00.000Z	27 \| good	3.695 \| good	14.45 \| good	28.608 \| good	0.355 \| good	4.23 \| good	0.151 \| good
2026-06-13T12:00:00.000Z	26 \| good	3.591 \| good	17.409 \| good	27.733 \| good	0.362 \| good	5.082 \| good	0.172 \| good
2026-06-13T13:00:00.000Z	24 \| good	3.392 \| good	15.788 \| good	26.113 \| good	0.377 \| good	4.911 \| good	0.172 \| good
2026-06-13T14:00:00.000Z	31 \| good	3.233 \| good	14.585 \| good	32.734 \| good	0.32 \| good	2.945 \| good	0.185 \| good
2026-06-13T15:00:00.000Z	32 \| good	2.812 \| good	13.176 \| good	34.612 \| good	0.411 \| good	2.603 \| good	0.185 \| good
2026-06-13T16:00:00.000Z	36 \| good	2.859 \| good	15.15 \| good	38.848 \| good	0.659 \| good	3.269 \| good	0.175 \| good
2026-06-13T17:00:00.000Z	37 \| good	3.407 \| good	15.385 \| good	39.861 \| good	0.412 \| good	3.171 \| good	0.182 \| good
2026-06-13T18:00:00.000Z	39 \| good	3.511 \| good	14.074 \| good	42.193 \| good	0.331 \| good	2.217 \| good	0.151 \| good
2026-06-13T19:00:00.000Z	39 \| good	3.675 \| good	14.54 \| good	41.569 \| good	0.265 \| good	2.737 \| good	0.182 \| good
2026-06-13T20:00:00.000Z	42 \| good	3.522 \| good	17.428 \| good	44.569 \| good	0.265 \| good	2.921 \| good	0.182 \| good
2026-06-13T21:00:00.000Z	41 \| good	3.058 \| good	15.098 \| good	44.411 \| good	0.265 \| good	2.235 \| good	0.182 \| good
2026-06-13T21:00:00.000Z	42 \| good	3.522 \| good	17.428 \| good	44.569 \| good	0.265 \| good	2.921 \| good	0.182 \| good
2026-06-13T22:00:00.000Z	39 \| good	4.844 \| good	21.102 \| good	41.728 \| good	0.335 \| good	0.735 \| good	0.142 \| good
2026-06-13T23:00:00.000Z	34 \| good	4.448 \| good	19.447 \| good	37.439 \| good	0.273 \| good	1.298 \| good	0.146 \| good
2026-06-14T00:00:00.000Z	36 \| good	4.493 \| good	19.485 \| good	38.852 \| good	0.239 \| good	1.796 \| good	0.148 \| good
2026-06-14T01:00:00.000Z	36 \| good	3.978 \| good	17.084 \| good	38.892 \| good	0.211 \| good	2.578 \| good	0.148 \| good
2026-06-14T02:00:00.000Z	31 \| good	2.906 \| good	11.808 \| good	34.26 \| good	0.196 \| good	3.546 \| good	0.147 \| good
2026-06-14T03:00:00.000Z	29 \| good	2.823 \| good	11.382 \| good	30.532 \| good	0.179 \| good	4.192 \| good	0.143 \| good
2026-06-14T04:00:00.000Z	29 \| good	2.204 \| good	8.968 \| good	30.617 \| good	0.152 \| good	3.915 \| good	0.135 \| good
2026-06-14T05:00:00.000Z	28 \| good	1.88 \| good	7.862 \| good	30.492 \| good	0.117 \| good	3.134 \| good	0.121 \| good
2026-06-14T06:00:00.000Z	27 \| good	1.221 \| good	4.894 \| good	29.146 \| good	0.094 \| good	2.418 \| good	0.112 \| good
2026-06-14T07:00:00.000Z	25 \| good	0.87 \| good	3.105 \| good	27.172 \| good	0.101 \| good	2.098 \| good	0.111 \| good
2026-06-14T08:00:00.000Z	21 \| good	0.489 \| good	1.922 \| good	23.404 \| good	0.101 \| good	1.799 \| good	0.113 \| good
2026-06-14T09:00:00.000Z	19 \| good	0.516 \| good	1.962 \| good	20.626 \| good	0.086 \| good	1.618 \| good	0.113 \| good
2026-06-14T10:00:00.000Z	18 \| good	0.288 \| good	1.138 \| good	19.477 \| good	0.076 \| good	1.675 \| good	0.113 \| good
2026-06-14T11:00:00.000Z	19 \| good	0.5 \| good	1.886 \| good	20.708 \| good	0.075 \| good	1.853 \| good	0.114 \| good
2026-06-14T12:00:00.000Z	22 \| good	0.2 \| good	0.592 \| good	24.058 \| good	0.068 \| good	1.427 \| good	0.114 \| good
2026-06-14T13:00:00.000Z	24 \| good	0.374 \| good	1.304 \| good	26.457 \| good	0.056 \| good	0.971 \| good	0.113 \| good
2026-06-14T14:00:00.000Z	28 \| good	0.594 \| good	2.039 \| good	29.727 \| good	0.05 \| good	0.593 \| good	0.11 \| good
2026-06-14T15:00:00.000Z	28 \| good	0.403 \| good	1.724 \| good	30.155 \| good	0.04 \| good	0.408 \| good	0.107 \| good
2026-06-14T16:00:00.000Z	29 \| good	0.343 \| good	1.105 \| good	30.82 \| good	0.031 \| good	0.338 \| good	0.106 \| good
2026-06-14T17:00:00.000Z	31 \| good	0.44 \| good	1.862 \| good	33.117 \| good	0.026 \| good	0.327 \| good	0.106 \| good
2026-06-14T18:00:00.000Z	32 \| good	0.865 \| good	3.084 \| good	35.095 \| good	0.022 \| good	0.314 \| good	0.106 \| good
2026-06-14T19:00:00.000Z	33 \| good	0.799 \| good	3.084 \| good	35.803 \| good	0.018 \| good	0.281 \| good	0.105 \| good
2026-06-14T20:00:00.000Z	35 \| good	0.731 \| good	2.895 \| good	38.049 \| good	0.016 \| good	0.276 \| good	0.104 \| good
2026-06-14T21:00:00.000Z	39 \| good	0.483 \| good	1.93 \| good	42.086 \| good	0.015 \| good	0.266 \| good	0.103 \| good
2026-06-14T22:00:00.000Z	41 \| good	0.336 \| good	1.092 \| good	43.767 \| good	0.016 \| good	0.295 \| good	0.103 \| good
2026-06-14T23:00:00.000Z	40 \| good	0.298 \| good	1.031 \| good	43.058 \| good	0.019 \| good	0.335 \| good	0.102 \| good
2026-06-15T00:00:00.000Z	37 \| good	0.327 \| good	1 \| good	39.572 \| good	0.023 \| good	0.703 \| good	0.104 \| good
2026-06-15T01:00:00.000Z	28 \| good	1.112 \| good	4.664 \| good	29.501 \| good	0.031 \| good	1.632 \| good	0.109 \| good
2026-06-15T02:00:00.000Z	26 \| good	0.765 \| good	2.863 \| good	27.549 \| good	0.045 \| good	3.433 \| good	0.117 \| good
2026-06-15T03:00:00.000Z	24 \| good	0.651 \| good	2.222 \| good	26.169 \| good	0.059 \| good	4.938 \| good	0.123 \| good
2026-06-15T04:00:00.000Z	23 \| good	0.269 \| good	0.986 \| good	24.918 \| good	0.075 \| good	6.483 \| good	0.13 \| good
2026-06-15T05:00:00.000Z	22 \| good	0.524 \| good	1.969 \| good	23.819 \| good	0.084 \| good	7.269 \| good	0.134 \| good
2026-06-15T06:00:00.000Z	22 \| good	0.539 \| good	2 \| good	24.241 \| good	0.087 \| good	6.714 \| good	0.132 \| good
2026-06-15T07:00:00.000Z	23 \| good	0.322 \| good	1.035 \| good	24.602 \| good	0.096 \| good	6.103 \| good	0.128 \| good
2026-06-15T08:00:00.000Z	22 \| good	0.175 \| good	0.121 \| good	24.032 \| good	0.111 \| good	5.451 \| good	0.124 \| good
2026-06-15T09:00:00.000Z	20 \| good	0.434 \| good	1.895 \| good	22.099 \| good	0.132 \| good	5.119 \| good	0.121 \| good
2026-06-15T10:00:00.000Z	23 \| good	0.888 \| good	3.415 \| good	25.257 \| good	0.152 \| good	5.183 \| good	0.121 \| good
2026-06-15T11:00:00.000Z	24 \| good	0.954 \| good	4 \| good	25.972 \| good	0.157 \| good	5.179 \| good	0.122 \| good
2026-06-15T12:00:00.000Z	25 \| good	0.561 \| good	2 \| good	27.401 \| good	0.143 \| good	3.9 \| good	0.123 \| good
2026-06-15T13:00:00.000Z	28 \| good	0.759 \| good	2.933 \| good	30.28 \| good	0.139 \| good	3.159 \| good	0.123 \| good
2026-06-15T14:00:00.000Z	31 \| good	0.988 \| good	4 \| good	32.734 \| good	0.135 \| good	2.565 \| good	0.122 \| good
2026-06-15T15:00:00.000Z	31 \| good	0.885 \| good	3.509 \| good	33.49 \| good	0.139 \| good	1.927 \| good	0.119 \| good
2026-06-15T16:00:00.000Z	31 \| good	1.231 \| good	5 \| good	33.341 \| good	0.146 \| good	1.179 \| good	0.115 \| good
2026-06-15T17:00:00.000Z	31 \| good	0.973 \| good	3.813 \| good	32.707 \| good	0.141 \| good	0.54 \| good	0.107 \| good
2026-06-15T18:00:00.000Z	31 \| good	1.307 \| good	5 \| good	33.43 \| good	0.132 \| good	0.391 \| good	0.105 \| good
2026-06-15T19:00:00.000Z	30 \| good	1.349 \| good	5.192 \| good	32.293 \| good	0.124 \| good	0.363 \| good	0.104 \| good
2026-06-15T20:00:00.000Z	28 \| good	2.121 \| good	8.58 \| good	29.946 \| good	0.114 \| good	0.385 \| good	0.103 \| good
2026-06-15T21:00:00.000Z	29 \| good	2.824 \| good	11.67 \| good	31.029 \| good	0.102 \| good	0.435 \| good	0.103 \| good

Real-time air quality index in Freeport, Illinois today

Common air pollutants in Freeport, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Freeport, Illinois air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Monroe, Wisconsin

Rockford, Illinois

Loves Park, Illinois

Machesney Park, Illinois

Roscoe, Illinois

Dixon, Illinois

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Freeport, Illinois?

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

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

What are the current PM10 levels at Freeport, Illinois?

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

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

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

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

What are the current PM₁₀ levels at Freeport, Illinois?

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

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

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