What is the current concentration of PM10 in Forest Park, Illinois?

The current PM10 concentration at Forest Park, Illinois is 7.099 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Forest Park, Illinois is 5.137 ppb.

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

The current ozone (O3) concentration at Forest Park, Illinois is 31.325 ppm.

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

The current nitrogen dioxide (NO2) concentration at Forest Park, Illinois is 3.124 ppb.

Forest Park, Illinois live air quality index now

Q: What is the current concentration of PM2.5 in Forest Park, Illinois?

The current PM2.5 concentration at Forest Park, Illinois is 1.745 μg/m3.

Stay updated with real-time air quality in Forest Park, 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

Forest Park, Illinois

Last updated: ... (Local time)

Major air pollutants in Forest Park, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.68 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

6.77 μg/m³

155

255

425

605+

Ozone (O₃)

29.89 ppb

201

201+

Sulfur Dioxide (SO₂)

1.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.93 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Forest Park, Illinois

Get Live Pollen Counts

Forest Park, Illinois

Scroll To Air Quality Map

Track live Forest Park, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-19T12:00:00.000Z	32 \| good	3.73 \| good	16.687 \| good	35.021 \| good	0.371 \| good	5.623 \| good	0.207 \| good
2026-05-19T13:00:00.000Z	31 \| good	4.736 \| good	20.555 \| good	33.097 \| good	0.322 \| good	7.041 \| good	0.207 \| good
2026-05-19T14:00:00.000Z	38 \| good	6.931 \| good	30.62 \| good	31.416 \| good	0.285 \| good	4.892 \| good	0.207 \| good
2026-05-19T15:00:00.000Z	38 \| good	7.364 \| good	32.634 \| good	31.997 \| good	0.327 \| good	4.873 \| good	0.207 \| good
2026-05-19T16:00:00.000Z	38 \| good	7.364 \| good	32.634 \| good	34.634 \| good	0.286 \| good	4.723 \| good	0.207 \| good
2026-05-19T17:00:00.000Z	44 \| good	7.593 \| good	33.524 \| good	36.116 \| good	0.334 \| good	4.318 \| good	0.207 \| good
2026-05-19T18:00:00.000Z	38 \| good	7.136 \| good	31.705 \| good	37.879 \| good	0.327 \| good	3.401 \| good	0.175 \| good
2026-05-19T19:00:00.000Z	44 \| good	7.021 \| good	31.319 \| good	46.999 \| good	0.398 \| good	2.859 \| good	0.175 \| good
2026-05-19T20:00:00.000Z	44 \| good	7.015 \| good	31.01 \| good	48.046 \| good	0.406 \| good	2.827 \| good	0.193 \| good
2026-05-19T21:00:00.000Z	45 \| good	6.517 \| good	29.022 \| good	48.563 \| good	0.343 \| good	2.172 \| good	0.193 \| good
2026-05-19T22:00:00.000Z	45 \| good	6.517 \| good	29.022 \| good	49.201 \| good	0.359 \| good	2.43 \| good	0.226 \| good
2026-05-19T23:00:00.000Z	43 \| good	4.09 \| good	18.263 \| good	45.811 \| good	0.314 \| good	1.924 \| good	0.2 \| good
2026-05-20T00:00:00.000Z	35 \| good	3.844 \| good	17.19 \| good	37.786 \| good	0.345 \| good	3.791 \| good	0.175 \| good
2026-05-20T01:00:00.000Z	28 \| good	3.908 \| good	17.567 \| good	30.135 \| good	0.375 \| good	4.976 \| good	0.18 \| good
2026-05-20T02:00:00.000Z	26 \| good	4.196 \| good	18.447 \| good	28.137 \| good	0.355 \| good	7.042 \| good	0.18 \| good
2026-05-20T03:00:00.000Z	23 \| good	3.727 \| good	16.386 \| good	24.844 \| good	0.488 \| good	5.669 \| good	0.189 \| good
2026-05-20T04:00:00.000Z	22 \| good	3.727 \| good	16.386 \| good	23.888 \| good	0.476 \| good	6.431 \| good	0.157 \| good
2026-05-20T05:00:00.000Z	21 \| good	3.308 \| good	14.823 \| good	22.599 \| good	0.546 \| good	3.871 \| good	0.143 \| good
2026-05-20T06:00:00.000Z	21 \| good	3.158 \| good	14.018 \| good	23.086 \| good	0.332 \| good	6.478 \| good	0.143 \| good
2026-05-20T07:00:00.000Z	21 \| good	3.158 \| good	12.901 \| good	23.348 \| good	0.354 \| good	6.724 \| good	0.143 \| good
2026-05-20T08:00:00.000Z	20 \| good	2.939 \| good	11.513 \| good	21.795 \| good	0.503 \| good	4.209 \| good	0.136 \| good
2026-05-20T09:00:00.000Z	20 \| good	2.901 \| good	11.256 \| good	22.14 \| good	0.331 \| good	5.022 \| good	0.145 \| good
2026-05-20T10:00:00.000Z	20 \| good	2.688 \| good	10.442 \| good	22.234 \| good	0.243 \| good	6.303 \| good	0.145 \| good
2026-05-20T11:00:00.000Z	20 \| good	2.634 \| good	10.88 \| good	21.58 \| good	0.218 \| good	8.53 \| good	0.177 \| good
2026-05-20T12:00:00.000Z	19 \| good	2.539 \| good	10.632 \| good	20.513 \| good	0.202 \| good	8.137 \| good	0.227 \| good
2026-05-20T13:00:00.000Z	18 \| good	2.457 \| good	10.067 \| good	18.758 \| good	0.242 \| good	8.187 \| good	0.226 \| good
2026-05-20T14:00:00.000Z	19 \| good	2.463 \| good	10 \| good	19.769 \| good	0.276 \| good	4.491 \| good	0.165 \| good
2026-05-20T15:00:00.000Z	20 \| good	2.533 \| good	10.566 \| good	21.882 \| good	0.317 \| good	3.586 \| good	0.148 \| good
2026-05-20T16:00:00.000Z	20 \| good	2.471 \| good	10.009 \| good	22.076 \| good	1.371 \| good	2.62 \| good	0.114 \| good
2026-05-20T17:00:00.000Z	19 \| good	2.453 \| good	10.137 \| good	21.371 \| good	5.55 \| good	2.819 \| good	0.129 \| good
2026-05-20T18:00:00.000Z	19 \| good	2.423 \| good	9.832 \| good	20.83 \| good	6.02 \| good	2.261 \| good	0.129 \| good
2026-05-20T19:00:00.000Z	19 \| good	2.46 \| good	9.951 \| good	21.341 \| good	3.43 \| good	2.642 \| good	0.129 \| good
2026-05-20T20:00:00.000Z	20 \| good	2.509 \| good	10.328 \| good	21.88 \| good	2.447 \| good	3.232 \| good	0.129 \| good
2026-05-20T21:00:00.000Z	21 \| good	2.305 \| good	9.832 \| good	22.799 \| good	3.601 \| good	2.805 \| good	0.146 \| good
2026-05-20T22:00:00.000Z	22 \| good	1.881 \| good	8.275 \| good	24.189 \| good	2.986 \| good	2.444 \| good	0.148 \| good
2026-05-20T23:00:00.000Z	24 \| good	1.605 \| good	6.523 \| good	26.013 \| good	5.344 \| good	2.54 \| good	0.148 \| good
2026-05-21T00:00:00.000Z	25 \| good	1.48 \| good	6.394 \| good	27.098 \| good	3.693 \| good	3.896 \| good	0.161 \| good
2026-05-21T01:00:00.000Z	27 \| good	1.448 \| good	6.08 \| good	29.22 \| good	3.364 \| good	4.465 \| good	0.161 \| good
2026-05-21T02:00:00.000Z	27 \| good	1.448 \| good	6.08 \| good	28.922 \| good	2.71 \| good	6.652 \| good	0.193 \| good
2026-05-21T03:00:00.000Z	27 \| good	1.448 \| good	6.08 \| good	29.234 \| good	2.714 \| good	6.795 \| good	0.212 \| good
2026-05-21T04:00:00.000Z	27 \| good	1.777 \| good	7.576 \| good	29.159 \| good	2.56 \| good	6.818 \| good	0.226 \| good
2026-05-21T05:00:00.000Z	27 \| good	1.777 \| good	7.576 \| good	28.84 \| good	2.397 \| good	5.291 \| good	0.161 \| good
2026-05-21T06:00:00.000Z	27 \| good	1.647 \| good	7.075 \| good	29.35 \| good	0.722 \| good	3.454 \| good	0.161 \| good
2026-05-21T07:00:00.000Z	27 \| good	1.634 \| good	6.889 \| good	29.376 \| good	0.723 \| good	3.008 \| good	0.161 \| good
2026-05-21T08:00:00.000Z	28 \| good	1.585 \| good	6.08 \| good	30.098 \| good	5.635 \| good	3.137 \| good	0.161 \| good
2026-05-21T09:00:00.000Z	29 \| good	1.745 \| good	7.099 \| good	31.325 \| good	5.137 \| good	3.124 \| good	0.161 \| good
2026-05-21T10:00:00.000Z	28 \| good	1.745 \| good	7.099 \| good	30.449 \| good	2.15 \| good	3.915 \| good	0.177 \| good
2026-05-21T11:00:00.000Z	28 \| good	1.681 \| good	6.771 \| good	29.895 \| good	1.356 \| good	4.934 \| good	0.192 \| good
2026-05-21T11:00:00.000Z	28 \| good	1.681 \| good	6.771 \| good	29.895 \| good	1.356 \| good	4.934 \| good	0.192 \| good
2026-05-21T10:00:00.000Z	19 \| good	0.815 \| good	3.212 \| good	21.223 \| good	0.304 \| good	2.815 \| good	0.115 \| good
2026-05-21T11:00:00.000Z	23 \| good	0.819 \| good	3.046 \| good	25.185 \| good	0.31 \| good	3.035 \| good	0.116 \| good
2026-05-21T12:00:00.000Z	27 \| good	5.135 \| good	22.144 \| good	24.861 \| good	0.347 \| good	3.265 \| good	0.12 \| good
2026-05-21T13:00:00.000Z	49 \| good	8.879 \| good	38.897 \| good	22.487 \| good	0.431 \| good	3.478 \| good	0.125 \| good
2026-05-21T14:00:00.000Z	52 \| moderate	10.029 \| good	44.481 \| good	23.867 \| good	0.553 \| good	3.484 \| good	0.13 \| good
2026-05-21T15:00:00.000Z	44 \| good	7.993 \| good	34.737 \| good	27.761 \| good	0.694 \| good	3.451 \| good	0.131 \| good
2026-05-21T16:00:00.000Z	34 \| good	3.323 \| good	14.693 \| good	36.839 \| good	0.743 \| good	3.195 \| good	0.129 \| good
2026-05-21T17:00:00.000Z	38 \| good	1.135 \| good	4.683 \| good	40.831 \| good	0.692 \| good	2.685 \| good	0.127 \| good
2026-05-21T18:00:00.000Z	42 \| good	0.469 \| good	1.938 \| good	45.004 \| good	0.649 \| good	2.37 \| good	0.125 \| good
2026-05-21T19:00:00.000Z	46 \| good	0.29 \| good	1.06 \| good	49.73 \| good	0.592 \| good	2.035 \| good	0.124 \| good
2026-05-21T20:00:00.000Z	47 \| good	0.334 \| good	1.124 \| good	51.251 \| good	0.531 \| good	1.902 \| good	0.122 \| good
2026-05-21T21:00:00.000Z	45 \| good	0.983 \| good	4.16 \| good	48.601 \| good	0.491 \| good	2.031 \| good	0.121 \| good
2026-05-21T22:00:00.000Z	42 \| good	1.054 \| good	4.125 \| good	45.006 \| good	0.469 \| good	2.37 \| good	0.121 \| good
2026-05-21T23:00:00.000Z	37 \| good	0.865 \| good	3.486 \| good	40.301 \| good	0.47 \| good	3.133 \| good	0.123 \| good
2026-05-22T00:00:00.000Z	37 \| good	1.065 \| good	4.109 \| good	39.523 \| good	0.475 \| good	4.406 \| good	0.125 \| good
2026-05-22T01:00:00.000Z	32 \| good	0.828 \| good	3.134 \| good	34.721 \| good	0.465 \| good	6.32 \| good	0.127 \| good
2026-05-22T02:00:00.000Z	33 \| good	0.992 \| good	3.824 \| good	36.49 \| good	0.441 \| good	7.825 \| good	0.129 \| good
2026-05-22T03:00:00.000Z	30 \| good	1.122 \| good	4.625 \| good	32.304 \| good	0.418 \| good	9.021 \| good	0.13 \| good
2026-05-22T04:00:00.000Z	27 \| good	1.262 \| good	5.03 \| good	28.87 \| good	0.408 \| good	9.715 \| good	0.132 \| good
2026-05-22T05:00:00.000Z	25 \| good	3.312 \| good	14.609 \| good	26.51 \| good	0.427 \| good	9.793 \| good	0.137 \| good
2026-05-22T06:00:00.000Z	25 \| good	3.028 \| good	12.24 \| good	27.474 \| good	0.514 \| good	8.986 \| good	0.139 \| good
2026-05-22T07:00:00.000Z	26 \| good	2.021 \| good	8.254 \| good	27.548 \| good	0.602 \| good	8.595 \| good	0.14 \| good
2026-05-22T08:00:00.000Z	22 \| good	3.814 \| good	16.418 \| good	24.496 \| good	0.665 \| good	8.308 \| good	0.141 \| good
2026-05-22T09:00:00.000Z	33 \| good	5.795 \| good	25.017 \| good	21.363 \| good	0.732 \| good	7.077 \| good	0.139 \| good
2026-05-22T10:00:00.000Z	52 \| moderate	9.663 \| good	42.802 \| good	21.32 \| good	0.742 \| good	6.459 \| good	0.137 \| good
2026-05-22T11:00:00.000Z	38 \| good	6.625 \| good	29.563 \| good	20.109 \| good	0.745 \| good	6.283 \| good	0.135 \| good
2026-05-22T12:00:00.000Z	33 \| good	5.887 \| good	26.195 \| good	23.133 \| good	0.784 \| good	5.834 \| good	0.136 \| good
2026-05-22T13:00:00.000Z	33 \| good	5.83 \| good	25.919 \| good	26.933 \| good	0.869 \| good	5.739 \| good	0.138 \| good
2026-05-22T14:00:00.000Z	33 \| good	5.843 \| good	25.997 \| good	31.573 \| good	0.947 \| good	5.51 \| good	0.14 \| good
2026-05-22T15:00:00.000Z	38 \| good	6.869 \| good	30.382 \| good	31.33 \| good	0.998 \| good	4.951 \| good	0.14 \| good
2026-05-22T16:00:00.000Z	38 \| good	6.676 \| good	29.748 \| good	29.281 \| good	1.02 \| good	4.412 \| good	0.14 \| good
2026-05-22T17:00:00.000Z	33 \| good	6.049 \| good	27.013 \| good	28.21 \| good	1.021 \| good	4.068 \| good	0.14 \| good
2026-05-22T18:00:00.000Z	29 \| good	3.904 \| good	17.012 \| good	30.705 \| good	1.013 \| good	3.977 \| good	0.141 \| good
2026-05-22T19:00:00.000Z	31 \| good	1.408 \| good	5.387 \| good	34.481 \| good	0.993 \| good	4.112 \| good	0.143 \| good
2026-05-22T20:00:00.000Z	33 \| good	1.597 \| good	6.39 \| good	36.08 \| good	0.919 \| good	4.482 \| good	0.145 \| good
2026-05-22T21:00:00.000Z	31 \| good	1.002 \| good	3.827 \| good	33.552 \| good	0.842 \| good	4.895 \| good	0.148 \| good
2026-05-22T22:00:00.000Z	27 \| good	3.099 \| good	12.908 \| good	29.473 \| good	0.8 \| good	5.844 \| good	0.153 \| good
2026-05-22T23:00:00.000Z	28 \| good	4.342 \| good	19 \| good	29.973 \| good	0.793 \| good	7.421 \| good	0.161 \| good
2026-05-23T00:00:00.000Z	33 \| good	5.871 \| good	25.102 \| good	34.42 \| good	0.812 \| good	8.975 \| good	0.166 \| good
2026-05-23T01:00:00.000Z	33 \| good	6.057 \| good	26.945 \| good	34.603 \| good	0.837 \| good	9.822 \| good	0.163 \| good
2026-05-23T02:00:00.000Z	33 \| good	5.851 \| good	25.662 \| good	36.014 \| good	0.953 \| good	6.781 \| good	0.155 \| good
2026-05-23T03:00:00.000Z	32 \| good	4.677 \| good	20.272 \| good	35.001 \| good	0.996 \| good	6.491 \| good	0.155 \| good
2026-05-23T04:00:00.000Z	28 \| good	4.46 \| good	19.753 \| good	30.09 \| good	1.001 \| good	6.207 \| good	0.155 \| good
2026-05-23T05:00:00.000Z	24 \| good	3.48 \| good	15.597 \| good	26.139 \| good	0.958 \| good	5.784 \| good	0.155 \| good
2026-05-23T06:00:00.000Z	27 \| good	4.917 \| good	4.984 \| good	25.73 \| good	0.866 \| good	5.474 \| good	0.156 \| good
2026-05-23T07:00:00.000Z	23 \| good	3.593 \| good	15.775 \| good	24.934 \| good	0.767 \| good	5.593 \| good	0.157 \| good
2026-05-23T08:00:00.000Z	27 \| good	5.481 \| good	23.666 \| good	24.269 \| good	0.661 \| good	5.717 \| good	0.158 \| good
2026-05-23T09:00:00.000Z	44 \| good	8.117 \| good	35.759 \| good	23.806 \| good	0.574 \| good	5.454 \| good	0.158 \| good

Forest Park

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Forest Park, Illinois air quality map: Track AQI near you

0.16ppm

How accurate is Illinois, USA air quality data?

Air quality data and pollutant measurements for Illinois, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

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

The air quality for Forest Park, Illinois is updated every hour.

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

The worst air quality in Forest Park, Illinois in the last 24 hours was observed at 08:00:00 on 2026-05-21.

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

In the last 24 hrs, the best air quality in Forest Park, Illinois was observed at 01:00:00 on 2026-05-20.

What is the current air quality in Forest Park, Illinois?

The current air quality in Forest Park, Illinois is 29, categorized as Good based on real-time data.

What pollutant is the most common in Forest Park, Illinois?

The most common pollutant in Forest Park, Illinois is O3.

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

If the air quality in Forest Park, Illinois is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Forest Park, Illinois?

The current PM_2.5 concentration at Forest Park, Illinois is 1.745 μg/m³.

What is the current concentration of PM₁₀ in Forest Park, Illinois?

The current PM₁₀ concentration at Forest Park, Illinois is 7.099 μg/m³.

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

The current carbon monoxide (CO) concentration at Forest Park, Illinois is 0.161 ppm.

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

The current sulfur dioxide (SO₂) concentration at Forest Park, Illinois is 5.137 ppb.

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

The current ozone (O₃) concentration at Forest Park, Illinois is 31.325 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Forest Park, Illinois is 3.124 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-19T12:00:00.000Z	32 \| good	3.73 \| good	16.687 \| good	35.021 \| good	0.371 \| good	5.623 \| good	0.207 \| good
2026-05-19T13:00:00.000Z	31 \| good	4.736 \| good	20.555 \| good	33.097 \| good	0.322 \| good	7.041 \| good	0.207 \| good
2026-05-19T14:00:00.000Z	38 \| good	6.931 \| good	30.62 \| good	31.416 \| good	0.285 \| good	4.892 \| good	0.207 \| good
2026-05-19T15:00:00.000Z	38 \| good	7.364 \| good	32.634 \| good	31.997 \| good	0.327 \| good	4.873 \| good	0.207 \| good
2026-05-19T16:00:00.000Z	38 \| good	7.364 \| good	32.634 \| good	34.634 \| good	0.286 \| good	4.723 \| good	0.207 \| good
2026-05-19T17:00:00.000Z	44 \| good	7.593 \| good	33.524 \| good	36.116 \| good	0.334 \| good	4.318 \| good	0.207 \| good
2026-05-19T18:00:00.000Z	38 \| good	7.136 \| good	31.705 \| good	37.879 \| good	0.327 \| good	3.401 \| good	0.175 \| good
2026-05-19T19:00:00.000Z	44 \| good	7.021 \| good	31.319 \| good	46.999 \| good	0.398 \| good	2.859 \| good	0.175 \| good
2026-05-19T20:00:00.000Z	44 \| good	7.015 \| good	31.01 \| good	48.046 \| good	0.406 \| good	2.827 \| good	0.193 \| good
2026-05-19T21:00:00.000Z	45 \| good	6.517 \| good	29.022 \| good	48.563 \| good	0.343 \| good	2.172 \| good	0.193 \| good
2026-05-19T22:00:00.000Z	45 \| good	6.517 \| good	29.022 \| good	49.201 \| good	0.359 \| good	2.43 \| good	0.226 \| good
2026-05-19T23:00:00.000Z	43 \| good	4.09 \| good	18.263 \| good	45.811 \| good	0.314 \| good	1.924 \| good	0.2 \| good
2026-05-20T00:00:00.000Z	35 \| good	3.844 \| good	17.19 \| good	37.786 \| good	0.345 \| good	3.791 \| good	0.175 \| good
2026-05-20T01:00:00.000Z	28 \| good	3.908 \| good	17.567 \| good	30.135 \| good	0.375 \| good	4.976 \| good	0.18 \| good
2026-05-20T02:00:00.000Z	26 \| good	4.196 \| good	18.447 \| good	28.137 \| good	0.355 \| good	7.042 \| good	0.18 \| good
2026-05-20T03:00:00.000Z	23 \| good	3.727 \| good	16.386 \| good	24.844 \| good	0.488 \| good	5.669 \| good	0.189 \| good
2026-05-20T04:00:00.000Z	22 \| good	3.727 \| good	16.386 \| good	23.888 \| good	0.476 \| good	6.431 \| good	0.157 \| good
2026-05-20T05:00:00.000Z	21 \| good	3.308 \| good	14.823 \| good	22.599 \| good	0.546 \| good	3.871 \| good	0.143 \| good
2026-05-20T06:00:00.000Z	21 \| good	3.158 \| good	14.018 \| good	23.086 \| good	0.332 \| good	6.478 \| good	0.143 \| good
2026-05-20T07:00:00.000Z	21 \| good	3.158 \| good	12.901 \| good	23.348 \| good	0.354 \| good	6.724 \| good	0.143 \| good
2026-05-20T08:00:00.000Z	20 \| good	2.939 \| good	11.513 \| good	21.795 \| good	0.503 \| good	4.209 \| good	0.136 \| good
2026-05-20T09:00:00.000Z	20 \| good	2.901 \| good	11.256 \| good	22.14 \| good	0.331 \| good	5.022 \| good	0.145 \| good
2026-05-20T10:00:00.000Z	20 \| good	2.688 \| good	10.442 \| good	22.234 \| good	0.243 \| good	6.303 \| good	0.145 \| good
2026-05-20T11:00:00.000Z	20 \| good	2.634 \| good	10.88 \| good	21.58 \| good	0.218 \| good	8.53 \| good	0.177 \| good
2026-05-20T12:00:00.000Z	19 \| good	2.539 \| good	10.632 \| good	20.513 \| good	0.202 \| good	8.137 \| good	0.227 \| good
2026-05-20T13:00:00.000Z	18 \| good	2.457 \| good	10.067 \| good	18.758 \| good	0.242 \| good	8.187 \| good	0.226 \| good
2026-05-20T14:00:00.000Z	19 \| good	2.463 \| good	10 \| good	19.769 \| good	0.276 \| good	4.491 \| good	0.165 \| good
2026-05-20T15:00:00.000Z	20 \| good	2.533 \| good	10.566 \| good	21.882 \| good	0.317 \| good	3.586 \| good	0.148 \| good
2026-05-20T16:00:00.000Z	20 \| good	2.471 \| good	10.009 \| good	22.076 \| good	1.371 \| good	2.62 \| good	0.114 \| good
2026-05-20T17:00:00.000Z	19 \| good	2.453 \| good	10.137 \| good	21.371 \| good	5.55 \| good	2.819 \| good	0.129 \| good
2026-05-20T18:00:00.000Z	19 \| good	2.423 \| good	9.832 \| good	20.83 \| good	6.02 \| good	2.261 \| good	0.129 \| good
2026-05-20T19:00:00.000Z	19 \| good	2.46 \| good	9.951 \| good	21.341 \| good	3.43 \| good	2.642 \| good	0.129 \| good
2026-05-20T20:00:00.000Z	20 \| good	2.509 \| good	10.328 \| good	21.88 \| good	2.447 \| good	3.232 \| good	0.129 \| good
2026-05-20T21:00:00.000Z	21 \| good	2.305 \| good	9.832 \| good	22.799 \| good	3.601 \| good	2.805 \| good	0.146 \| good
2026-05-20T22:00:00.000Z	22 \| good	1.881 \| good	8.275 \| good	24.189 \| good	2.986 \| good	2.444 \| good	0.148 \| good
2026-05-20T23:00:00.000Z	24 \| good	1.605 \| good	6.523 \| good	26.013 \| good	5.344 \| good	2.54 \| good	0.148 \| good
2026-05-21T00:00:00.000Z	25 \| good	1.48 \| good	6.394 \| good	27.098 \| good	3.693 \| good	3.896 \| good	0.161 \| good
2026-05-21T01:00:00.000Z	27 \| good	1.448 \| good	6.08 \| good	29.22 \| good	3.364 \| good	4.465 \| good	0.161 \| good
2026-05-21T02:00:00.000Z	27 \| good	1.448 \| good	6.08 \| good	28.922 \| good	2.71 \| good	6.652 \| good	0.193 \| good
2026-05-21T03:00:00.000Z	27 \| good	1.448 \| good	6.08 \| good	29.234 \| good	2.714 \| good	6.795 \| good	0.212 \| good
2026-05-21T04:00:00.000Z	27 \| good	1.777 \| good	7.576 \| good	29.159 \| good	2.56 \| good	6.818 \| good	0.226 \| good
2026-05-21T05:00:00.000Z	27 \| good	1.777 \| good	7.576 \| good	28.84 \| good	2.397 \| good	5.291 \| good	0.161 \| good
2026-05-21T06:00:00.000Z	27 \| good	1.647 \| good	7.075 \| good	29.35 \| good	0.722 \| good	3.454 \| good	0.161 \| good
2026-05-21T07:00:00.000Z	27 \| good	1.634 \| good	6.889 \| good	29.376 \| good	0.723 \| good	3.008 \| good	0.161 \| good
2026-05-21T08:00:00.000Z	28 \| good	1.585 \| good	6.08 \| good	30.098 \| good	5.635 \| good	3.137 \| good	0.161 \| good
2026-05-21T09:00:00.000Z	29 \| good	1.745 \| good	7.099 \| good	31.325 \| good	5.137 \| good	3.124 \| good	0.161 \| good
2026-05-21T10:00:00.000Z	28 \| good	1.745 \| good	7.099 \| good	30.449 \| good	2.15 \| good	3.915 \| good	0.177 \| good
2026-05-21T11:00:00.000Z	28 \| good	1.681 \| good	6.771 \| good	29.895 \| good	1.356 \| good	4.934 \| good	0.192 \| good
2026-05-21T11:00:00.000Z	28 \| good	1.681 \| good	6.771 \| good	29.895 \| good	1.356 \| good	4.934 \| good	0.192 \| good
2026-05-21T10:00:00.000Z	19 \| good	0.815 \| good	3.212 \| good	21.223 \| good	0.304 \| good	2.815 \| good	0.115 \| good
2026-05-21T11:00:00.000Z	23 \| good	0.819 \| good	3.046 \| good	25.185 \| good	0.31 \| good	3.035 \| good	0.116 \| good
2026-05-21T12:00:00.000Z	27 \| good	5.135 \| good	22.144 \| good	24.861 \| good	0.347 \| good	3.265 \| good	0.12 \| good
2026-05-21T13:00:00.000Z	49 \| good	8.879 \| good	38.897 \| good	22.487 \| good	0.431 \| good	3.478 \| good	0.125 \| good
2026-05-21T14:00:00.000Z	52 \| moderate	10.029 \| good	44.481 \| good	23.867 \| good	0.553 \| good	3.484 \| good	0.13 \| good
2026-05-21T15:00:00.000Z	44 \| good	7.993 \| good	34.737 \| good	27.761 \| good	0.694 \| good	3.451 \| good	0.131 \| good
2026-05-21T16:00:00.000Z	34 \| good	3.323 \| good	14.693 \| good	36.839 \| good	0.743 \| good	3.195 \| good	0.129 \| good
2026-05-21T17:00:00.000Z	38 \| good	1.135 \| good	4.683 \| good	40.831 \| good	0.692 \| good	2.685 \| good	0.127 \| good
2026-05-21T18:00:00.000Z	42 \| good	0.469 \| good	1.938 \| good	45.004 \| good	0.649 \| good	2.37 \| good	0.125 \| good
2026-05-21T19:00:00.000Z	46 \| good	0.29 \| good	1.06 \| good	49.73 \| good	0.592 \| good	2.035 \| good	0.124 \| good
2026-05-21T20:00:00.000Z	47 \| good	0.334 \| good	1.124 \| good	51.251 \| good	0.531 \| good	1.902 \| good	0.122 \| good
2026-05-21T21:00:00.000Z	45 \| good	0.983 \| good	4.16 \| good	48.601 \| good	0.491 \| good	2.031 \| good	0.121 \| good
2026-05-21T22:00:00.000Z	42 \| good	1.054 \| good	4.125 \| good	45.006 \| good	0.469 \| good	2.37 \| good	0.121 \| good
2026-05-21T23:00:00.000Z	37 \| good	0.865 \| good	3.486 \| good	40.301 \| good	0.47 \| good	3.133 \| good	0.123 \| good
2026-05-22T00:00:00.000Z	37 \| good	1.065 \| good	4.109 \| good	39.523 \| good	0.475 \| good	4.406 \| good	0.125 \| good
2026-05-22T01:00:00.000Z	32 \| good	0.828 \| good	3.134 \| good	34.721 \| good	0.465 \| good	6.32 \| good	0.127 \| good
2026-05-22T02:00:00.000Z	33 \| good	0.992 \| good	3.824 \| good	36.49 \| good	0.441 \| good	7.825 \| good	0.129 \| good
2026-05-22T03:00:00.000Z	30 \| good	1.122 \| good	4.625 \| good	32.304 \| good	0.418 \| good	9.021 \| good	0.13 \| good
2026-05-22T04:00:00.000Z	27 \| good	1.262 \| good	5.03 \| good	28.87 \| good	0.408 \| good	9.715 \| good	0.132 \| good
2026-05-22T05:00:00.000Z	25 \| good	3.312 \| good	14.609 \| good	26.51 \| good	0.427 \| good	9.793 \| good	0.137 \| good
2026-05-22T06:00:00.000Z	25 \| good	3.028 \| good	12.24 \| good	27.474 \| good	0.514 \| good	8.986 \| good	0.139 \| good
2026-05-22T07:00:00.000Z	26 \| good	2.021 \| good	8.254 \| good	27.548 \| good	0.602 \| good	8.595 \| good	0.14 \| good
2026-05-22T08:00:00.000Z	22 \| good	3.814 \| good	16.418 \| good	24.496 \| good	0.665 \| good	8.308 \| good	0.141 \| good
2026-05-22T09:00:00.000Z	33 \| good	5.795 \| good	25.017 \| good	21.363 \| good	0.732 \| good	7.077 \| good	0.139 \| good
2026-05-22T10:00:00.000Z	52 \| moderate	9.663 \| good	42.802 \| good	21.32 \| good	0.742 \| good	6.459 \| good	0.137 \| good
2026-05-22T11:00:00.000Z	38 \| good	6.625 \| good	29.563 \| good	20.109 \| good	0.745 \| good	6.283 \| good	0.135 \| good
2026-05-22T12:00:00.000Z	33 \| good	5.887 \| good	26.195 \| good	23.133 \| good	0.784 \| good	5.834 \| good	0.136 \| good
2026-05-22T13:00:00.000Z	33 \| good	5.83 \| good	25.919 \| good	26.933 \| good	0.869 \| good	5.739 \| good	0.138 \| good
2026-05-22T14:00:00.000Z	33 \| good	5.843 \| good	25.997 \| good	31.573 \| good	0.947 \| good	5.51 \| good	0.14 \| good
2026-05-22T15:00:00.000Z	38 \| good	6.869 \| good	30.382 \| good	31.33 \| good	0.998 \| good	4.951 \| good	0.14 \| good
2026-05-22T16:00:00.000Z	38 \| good	6.676 \| good	29.748 \| good	29.281 \| good	1.02 \| good	4.412 \| good	0.14 \| good
2026-05-22T17:00:00.000Z	33 \| good	6.049 \| good	27.013 \| good	28.21 \| good	1.021 \| good	4.068 \| good	0.14 \| good
2026-05-22T18:00:00.000Z	29 \| good	3.904 \| good	17.012 \| good	30.705 \| good	1.013 \| good	3.977 \| good	0.141 \| good
2026-05-22T19:00:00.000Z	31 \| good	1.408 \| good	5.387 \| good	34.481 \| good	0.993 \| good	4.112 \| good	0.143 \| good
2026-05-22T20:00:00.000Z	33 \| good	1.597 \| good	6.39 \| good	36.08 \| good	0.919 \| good	4.482 \| good	0.145 \| good
2026-05-22T21:00:00.000Z	31 \| good	1.002 \| good	3.827 \| good	33.552 \| good	0.842 \| good	4.895 \| good	0.148 \| good
2026-05-22T22:00:00.000Z	27 \| good	3.099 \| good	12.908 \| good	29.473 \| good	0.8 \| good	5.844 \| good	0.153 \| good
2026-05-22T23:00:00.000Z	28 \| good	4.342 \| good	19 \| good	29.973 \| good	0.793 \| good	7.421 \| good	0.161 \| good
2026-05-23T00:00:00.000Z	33 \| good	5.871 \| good	25.102 \| good	34.42 \| good	0.812 \| good	8.975 \| good	0.166 \| good
2026-05-23T01:00:00.000Z	33 \| good	6.057 \| good	26.945 \| good	34.603 \| good	0.837 \| good	9.822 \| good	0.163 \| good
2026-05-23T02:00:00.000Z	33 \| good	5.851 \| good	25.662 \| good	36.014 \| good	0.953 \| good	6.781 \| good	0.155 \| good
2026-05-23T03:00:00.000Z	32 \| good	4.677 \| good	20.272 \| good	35.001 \| good	0.996 \| good	6.491 \| good	0.155 \| good
2026-05-23T04:00:00.000Z	28 \| good	4.46 \| good	19.753 \| good	30.09 \| good	1.001 \| good	6.207 \| good	0.155 \| good
2026-05-23T05:00:00.000Z	24 \| good	3.48 \| good	15.597 \| good	26.139 \| good	0.958 \| good	5.784 \| good	0.155 \| good
2026-05-23T06:00:00.000Z	27 \| good	4.917 \| good	4.984 \| good	25.73 \| good	0.866 \| good	5.474 \| good	0.156 \| good
2026-05-23T07:00:00.000Z	23 \| good	3.593 \| good	15.775 \| good	24.934 \| good	0.767 \| good	5.593 \| good	0.157 \| good
2026-05-23T08:00:00.000Z	27 \| good	5.481 \| good	23.666 \| good	24.269 \| good	0.661 \| good	5.717 \| good	0.158 \| good
2026-05-23T09:00:00.000Z	44 \| good	8.117 \| good	35.759 \| good	23.806 \| good	0.574 \| good	5.454 \| good	0.158 \| good

Forest Park, Illinois live air quality index now

Major air pollutants in Forest Park, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Forest Park, Illinois air quality map: Track AQI near you

Air quality in nearby cities

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Frequently asked questions

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What is the current concentration of PM10 in Forest Park, Illinois?

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

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

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

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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 current concentration of PM_2.5 in Forest Park, Illinois?

What is the current concentration of PM₁₀ in Forest Park, Illinois?

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

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

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