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

Currently, Granite City, Illinois has a sulfur dioxide (SO2) concentration of 0.418 ppb.

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

The current ozone (O3) level in Granite City, Illinois at the moment is 23.43 ppm.

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

Nitrogen dioxide (NO2) level in Granite City, Illinois at the moment is 8.478 ppb.

Real-time air quality index in Granite City, Illinois today

Name: Live air pollution levels in Granite City, Illinois today
Creator: Ambee

Stay updated with real-time air quality in Granite City, 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

Granite City, Illinois

Last updated: ... (Local time)

Major air pollutants in Granite City, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.88 μg/m³

155

255

425

605+

Ozone (O₃)

23.43 ppb

201

201+

Sulfur Dioxide (SO₂)

0.42 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.48 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Granite City, Illinois

Get Live Pollen Counts

Granite City, Illinois

Scroll To Air Quality Map

Track live Granite City, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-12T17:00:00.000Z	38 \| good	6.5 \| good	29 \| good	27.987 \| good	0.378 \| good	2.57 \| good	0.131 \| good
2025-07-12T18:00:00.000Z	38 \| good	7 \| good	31 \| good	31.435 \| good	0.343 \| good	2.255 \| good	0.131 \| good
2025-07-12T19:00:00.000Z	38 \| good	6.9 \| good	31 \| good	32.828 \| good	0.322 \| good	1.721 \| good	0.132 \| good
2025-07-12T20:00:00.000Z	38 \| good	6.6 \| good	30 \| good	34.899 \| good	0.319 \| good	1.634 \| good	0.133 \| good
2025-07-12T21:00:00.000Z	35 \| good	6.3 \| good	28 \| good	37.708 \| good	0.315 \| good	1.441 \| good	0.131 \| good
2025-07-12T22:00:00.000Z	36 \| good	5.2 \| good	23 \| good	39.138 \| good	0.318 \| good	1.598 \| good	0.133 \| good
2025-07-12T23:00:00.000Z	36 \| good	4.5 \| good	20 \| good	38.61 \| good	0.282 \| good	1.304 \| good	0.107 \| good
2025-07-13T00:00:00.000Z	36 \| good	3.9 \| good	17 \| good	39.252 \| good	0.488 \| good	1.38 \| good	0.105 \| good
2025-07-13T01:00:00.000Z	37 \| good	3.8 \| good	17 \| good	39.826 \| good	0.41 \| good	1.58 \| good	0.105 \| good
2025-07-13T02:00:00.000Z	34 \| good	4.2 \| good	19 \| good	37.217 \| good	0.363 \| good	2.261 \| good	0.134 \| good
2025-07-13T03:00:00.000Z	27 \| good	5.2 \| good	23 \| good	29.101 \| good	0.373 \| good	5.64 \| good	0.269 \| good
2025-07-13T04:00:00.000Z	27 \| good	5.4 \| good	23 \| good	26.126 \| good	0.543 \| good	9.497 \| good	0.295 \| good
2025-07-13T05:00:00.000Z	33 \| good	6.3 \| good	28 \| good	21.694 \| good	0.396 \| good	10.263 \| good	0.353 \| good
2025-07-13T06:00:00.000Z	44 \| good	7.6 \| good	34 \| good	18.29 \| good	0.53 \| good	11.293 \| good	0.296 \| good
2025-07-13T07:00:00.000Z	49 \| good	9.1 \| good	41 \| good	17.065 \| good	0.529 \| good	13.039 \| good	0.295 \| good
2025-07-13T08:00:00.000Z	49 \| good	8.7 \| good	38 \| good	12.046 \| good	0.528 \| good	11.832 \| good	0.294 \| good
2025-07-13T09:00:00.000Z	44 \| good	8 \| good	35 \| good	11.722 \| good	0.399 \| good	11.772 \| good	0.226 \| good
2025-07-13T10:00:00.000Z	38 \| good	7 \| good	31 \| good	13.857 \| good	0.595 \| good	9.587 \| good	0.131 \| good
2025-07-13T11:00:00.000Z	33 \| good	6.2 \| good	28 \| good	11.58 \| good	0.592 \| good	13.465 \| good	0.131 \| good
2025-07-13T12:00:00.000Z	33 \| good	6.2 \| good	28 \| good	14.178 \| good	0.43 \| good	13.344 \| good	0.228 \| good
2025-07-13T13:00:00.000Z	33 \| good	6.2 \| good	28 \| good	18.92 \| good	1.559 \| good	10.57 \| good	0.228 \| good
2025-07-13T14:00:00.000Z	27 \| good	5.1 \| good	22 \| good	20.266 \| good	0.826 \| good	7.685 \| good	0.157 \| good
2025-07-13T15:00:00.000Z	27 \| good	4.8 \| good	21 \| good	21.879 \| good	1.044 \| good	5.237 \| good	0.161 \| good
2025-07-13T16:00:00.000Z	31 \| good	4.8 \| good	21 \| good	32.777 \| good	1.484 \| good	4.884 \| good	0.161 \| good
2025-07-13T17:00:00.000Z	33 \| good	6 \| good	27 \| good	35.664 \| good	1.384 \| good	4.118 \| good	0.2 \| good
2025-07-13T18:00:00.000Z	33 \| good	5.6 \| good	24 \| good	34.046 \| good	0.929 \| good	3.985 \| good	0.131 \| good
2025-07-13T19:00:00.000Z	29 \| good	5.1 \| good	22 \| good	31.066 \| good	1.011 \| good	3.401 \| good	0.131 \| good
2025-07-13T20:00:00.000Z	30 \| good	4.8 \| good	21 \| good	32.265 \| good	0.419 \| good	3.323 \| good	0.198 \| good
2025-07-13T21:00:00.000Z	33 \| good	4.7 \| good	21 \| good	36.162 \| good	0.321 \| good	3.668 \| good	0.131 \| good
2025-07-13T22:00:00.000Z	30 \| good	4.6 \| good	20 \| good	31.536 \| good	0.407 \| good	3.251 \| good	0.198 \| good
2025-07-13T23:00:00.000Z	25 \| good	4.3 \| good	19 \| good	27.401 \| good	0.34 \| good	5.128 \| good	0.198 \| good
2025-07-14T00:00:00.000Z	23 \| good	3.7 \| good	16 \| good	25.228 \| good	0.355 \| good	4.979 \| good	0.198 \| good
2025-07-14T01:00:00.000Z	25 \| good	3.4 \| good	15 \| good	26.791 \| good	0.36 \| good	8.226 \| good	0.225 \| good
2025-07-14T02:00:00.000Z	22 \| good	3.4 \| good	15 \| good	24.044 \| good	0.308 \| good	8.725 \| good	0.227 \| good
2025-07-14T03:00:00.000Z	22 \| good	3.5 \| good	16 \| good	23.255 \| good	0.32 \| good	9.625 \| good	0.23 \| good
2025-07-14T04:00:00.000Z	22 \| good	3.7 \| good	16 \| good	23.219 \| good	0.334 \| good	8.368 \| good	0.201 \| good
2025-07-14T05:00:00.000Z	22 \| good	3.5 \| good	16 \| good	22.135 \| good	0.323 \| good	6.906 \| good	0.133 \| good
2025-07-14T06:00:00.000Z	19 \| good	3.3 \| good	15 \| good	20.211 \| good	0.324 \| good	5.802 \| good	0.199 \| good
2025-07-14T07:00:00.000Z	16 \| good	3.1 \| good	14 \| good	17.04 \| good	0.306 \| good	6.437 \| good	0.199 \| good
2025-07-14T08:00:00.000Z	18 \| good	3.3 \| good	15 \| good	18.817 \| good	0.287 \| good	6.714 \| good	0.199 \| good
2025-07-14T09:00:00.000Z	22 \| good	3.8 \| good	17 \| good	13.847 \| good	0.253 \| good	6.805 \| good	0.105 \| good
2025-07-14T10:00:00.000Z	27 \| good	5 \| good	22 \| good	20.842 \| good	0.34 \| good	7.301 \| good	0.104 \| good
2025-07-14T11:00:00.000Z	33 \| good	5.7 \| good	25 \| good	20.371 \| good	1.202 \| good	6.623 \| good	0.104 \| good
2025-07-14T12:00:00.000Z	33 \| good	6.2 \| good	28 \| good	21.887 \| good	0.917 \| good	7.02 \| good	0.105 \| good
2025-07-14T13:00:00.000Z	33 \| good	6.3 \| good	28 \| good	23.8 \| good	0.507 \| good	8.093 \| good	0.201 \| good
2025-07-14T14:00:00.000Z	33 \| good	6.1 \| good	27 \| good	24.561 \| good	0.381 \| good	8.803 \| good	0.237 \| good
2025-07-14T15:00:00.000Z	33 \| good	6.1 \| good	27 \| good	23.685 \| good	0.436 \| good	8.127 \| good	0.227 \| good
2025-07-14T16:00:00.000Z	38 \| good	6.63 \| good	26.878 \| good	23.43 \| good	0.418 \| good	8.478 \| good	0.222 \| good
2025-07-14T17:00:00.000Z	40 \| good	6.088 \| good	27.041 \| good	43.331 \| good	0.731 \| good	1.554 \| good	0.182 \| good
2025-07-14T18:00:00.000Z	39 \| good	4.808 \| good	20.828 \| good	42.096 \| good	0.76 \| good	1.215 \| good	0.177 \| good
2025-07-14T19:00:00.000Z	42 \| good	4.116 \| good	18.119 \| good	44.935 \| good	0.704 \| good	1.335 \| good	0.177 \| good
2025-07-14T20:00:00.000Z	42 \| good	3.719 \| good	16.305 \| good	45.102 \| good	0.648 \| good	1.455 \| good	0.177 \| good
2025-07-14T21:00:00.000Z	44 \| good	4.205 \| good	18.533 \| good	47.371 \| good	0.592 \| good	1.575 \| good	0.178 \| good
2025-07-14T22:00:00.000Z	42 \| good	4.511 \| good	19.741 \| good	45.093 \| good	0.62 \| good	2.313 \| good	0.184 \| good
2025-07-14T23:00:00.000Z	38 \| good	3.349 \| good	14.734 \| good	40.895 \| good	0.648 \| good	3.05 \| good	0.191 \| good
2025-07-15T00:00:00.000Z	37 \| good	2.91 \| good	12.393 \| good	40.059 \| good	0.676 \| good	3.788 \| good	0.198 \| good
2025-07-15T01:00:00.000Z	32 \| good	3.959 \| good	17.041 \| good	35.462 \| good	0.78 \| good	5.709 \| good	0.219 \| good
2025-07-15T02:00:00.000Z	25 \| good	4.475 \| good	19.499 \| good	26.571 \| good	0.883 \| good	7.631 \| good	0.239 \| good
2025-07-15T03:00:00.000Z	38 \| good	7.06 \| good	31.204 \| good	23.433 \| good	0.986 \| good	9.552 \| good	0.26 \| good
2025-07-15T04:00:00.000Z	44 \| good	7.843 \| good	34.324 \| good	23.239 \| good	1.056 \| good	10.949 \| good	0.275 \| good
2025-07-15T05:00:00.000Z	38 \| good	6.729 \| good	30.184 \| good	20.689 \| good	1.126 \| good	12.347 \| good	0.289 \| good
2025-07-15T06:00:00.000Z	27 \| good	5.495 \| good	23.703 \| good	19.994 \| good	1.197 \| good	13.744 \| good	0.303 \| good
2025-07-15T07:00:00.000Z	27 \| good	5.195 \| good	22.558 \| good	15.346 \| good	1.108 \| good	12.63 \| good	0.292 \| good
2025-07-15T08:00:00.000Z	33 \| good	6.362 \| good	28.475 \| good	14.748 \| good	1.019 \| good	11.516 \| good	0.282 \| good
2025-07-15T09:00:00.000Z	49 \| good	8.667 \| good	38.573 \| good	14.331 \| good	0.93 \| good	10.402 \| good	0.271 \| good
2025-07-15T10:00:00.000Z	38 \| good	7.019 \| good	31.391 \| good	10.439 \| good	0.837 \| good	8.914 \| good	0.257 \| good
2025-07-15T11:00:00.000Z	38 \| good	7.2 \| good	31.918 \| good	9.022 \| good	0.744 \| good	7.426 \| good	0.244 \| good
2025-07-15T12:00:00.000Z	38 \| good	6.922 \| good	30.645 \| good	16.655 \| good	0.651 \| good	5.938 \| good	0.23 \| good
2025-07-15T13:00:00.000Z	33 \| good	5.937 \| good	26.441 \| good	25.662 \| good	0.745 \| good	4.758 \| good	0.22 \| good
2025-07-15T14:00:00.000Z	34 \| good	5.549 \| good	24.001 \| good	36.879 \| good	0.839 \| good	3.577 \| good	0.21 \| good
2025-07-15T15:00:00.000Z	41 \| good	5.448 \| good	23.212 \| good	44.308 \| good	0.934 \| good	2.397 \| good	0.2 \| good
2025-07-15T16:00:00.000Z	43 \| good	6.309 \| good	28.188 \| good	45.607 \| good	0.906 \| good	2.081 \| good	0.196 \| good
2025-07-15T17:00:00.000Z	42 \| good	6.043 \| good	26.639 \| good	45.018 \| good	0.879 \| good	1.766 \| good	0.192 \| good
2025-07-15T18:00:00.000Z	44 \| good	5.06 \| good	21.87 \| good	46.595 \| good	0.852 \| good	1.451 \| good	0.189 \| good
2025-07-15T19:00:00.000Z	48 \| good	6.524 \| good	29.219 \| good	51.984 \| good	0.797 \| good	1.66 \| good	0.191 \| good
2025-07-15T20:00:00.000Z	51 \| moderate	6.64 \| good	29.535 \| good	55.398 \| fine	0.743 \| good	1.869 \| good	0.194 \| good
2025-07-15T21:00:00.000Z	61 \| moderate	6.153 \| good	27.284 \| good	57.737 \| fine	0.688 \| good	2.078 \| good	0.197 \| good
2025-07-15T22:00:00.000Z	71 \| moderate	8.443 \| good	37.205 \| good	61.058 \| fine	0.789 \| good	2.552 \| good	0.205 \| good
2025-07-15T23:00:00.000Z	51 \| moderate	6.343 \| good	28.236 \| good	55.41 \| fine	0.89 \| good	3.026 \| good	0.213 \| good
2025-07-16T00:00:00.000Z	46 \| good	6.104 \| good	26.788 \| good	50.151 \| good	0.991 \| good	3.5 \| good	0.221 \| good
2025-07-16T01:00:00.000Z	39 \| good	7.306 \| good	32.279 \| good	42.193 \| good	1.054 \| good	4.833 \| good	0.234 \| good
2025-07-16T02:00:00.000Z	38 \| good	6.865 \| good	30.423 \| good	31.432 \| good	1.116 \| good	6.165 \| good	0.247 \| good
2025-07-16T03:00:00.000Z	49 \| good	8.878 \| good	39.174 \| good	24.75 \| good	1.179 \| good	7.498 \| good	0.261 \| good
2025-07-16T04:00:00.000Z	52 \| moderate	9.603 \| good	42.463 \| good	19.572 \| good	1.146 \| good	7.41 \| good	0.261 \| good
2025-07-16T05:00:00.000Z	49 \| good	8.625 \| good	37.965 \| good	20.051 \| good	1.113 \| good	7.322 \| good	0.26 \| good
2025-07-16T06:00:00.000Z	49 \| good	8.883 \| good	39.068 \| good	17.503 \| good	1.079 \| good	7.234 \| good	0.26 \| good
2025-07-16T07:00:00.000Z	44 \| good	8.29 \| good	36.226 \| good	13.135 \| good	0.957 \| good	6.44 \| good	0.253 \| good
2025-07-16T08:00:00.000Z	38 \| good	7.418 \| good	32.81 \| good	12.77 \| good	0.835 \| good	5.645 \| good	0.246 \| good
2025-07-16T09:00:00.000Z	38 \| good	7.403 \| good	32.636 \| good	14.391 \| good	0.713 \| good	4.85 \| good	0.24 \| good
2025-07-16T10:00:00.000Z	27 \| good	4.912 \| good	21.305 \| good	11.997 \| good	0.658 \| good	4.296 \| good	0.238 \| good
2025-07-16T11:00:00.000Z	27 \| good	4.661 \| good	20.19 \| good	10.721 \| good	0.603 \| good	3.741 \| good	0.236 \| good
2025-07-16T12:00:00.000Z	27 \| good	5.102 \| good	22.256 \| good	19.04 \| good	0.548 \| good	3.187 \| good	0.234 \| good
2025-07-16T13:00:00.000Z	25 \| good	4.033 \| good	17.675 \| good	27.241 \| good	0.644 \| good	2.711 \| good	0.232 \| good
2025-07-16T14:00:00.000Z	35 \| good	4.558 \| good	19.719 \| good	38.376 \| good	0.74 \| good	2.235 \| good	0.23 \| good
2025-07-16T15:00:00.000Z	43 \| good	4.998 \| good	21.635 \| good	45.829 \| good	0.837 \| good	1.759 \| good	0.228 \| good
2025-07-16T16:00:00.000Z	44 \| good	4.997 \| good	21.816 \| good	47.649 \| good	0.881 \| good	1.564 \| good	0.212 \| good

Granite City

Get reliable air quality data to drive your business

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

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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 Granite City, Illinois?

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

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

In the past 24 hours, the air quality in Granite City, Illinois was at its worst at 03:00:00 on 2025-07-14.

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

In the last 24 hours, the best air quality in Granite City, Illinois was observed at 07:00:00 on 2025-07-14.

What is the AQI in Granite City, Illinois right now?

As of now, the AQI in Granite City, Illinois is 38, indicating Good conditions.

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

Granite City, Illinois air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Granite City, Illinois are currently 6.63 μg/m³.

What is the PM₁₀ level in Granite City, Illinois at the moment?

The PM₁₀ concentration in Granite City, Illinois is 26.878 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Granite City, Illinois is 0.222 ppm.

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

Currently, Granite City, Illinois has a sulfur dioxide (SO₂) concentration of 0.418 ppb.

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

The current ozone (O₃) level in Granite City, Illinois at the moment is 23.43 ppm.

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

Nitrogen dioxide (NO₂) level in Granite City, Illinois at the moment is 8.478 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-12T17:00:00.000Z	38 \| good	6.5 \| good	29 \| good	27.987 \| good	0.378 \| good	2.57 \| good	0.131 \| good
2025-07-12T18:00:00.000Z	38 \| good	7 \| good	31 \| good	31.435 \| good	0.343 \| good	2.255 \| good	0.131 \| good
2025-07-12T19:00:00.000Z	38 \| good	6.9 \| good	31 \| good	32.828 \| good	0.322 \| good	1.721 \| good	0.132 \| good
2025-07-12T20:00:00.000Z	38 \| good	6.6 \| good	30 \| good	34.899 \| good	0.319 \| good	1.634 \| good	0.133 \| good
2025-07-12T21:00:00.000Z	35 \| good	6.3 \| good	28 \| good	37.708 \| good	0.315 \| good	1.441 \| good	0.131 \| good
2025-07-12T22:00:00.000Z	36 \| good	5.2 \| good	23 \| good	39.138 \| good	0.318 \| good	1.598 \| good	0.133 \| good
2025-07-12T23:00:00.000Z	36 \| good	4.5 \| good	20 \| good	38.61 \| good	0.282 \| good	1.304 \| good	0.107 \| good
2025-07-13T00:00:00.000Z	36 \| good	3.9 \| good	17 \| good	39.252 \| good	0.488 \| good	1.38 \| good	0.105 \| good
2025-07-13T01:00:00.000Z	37 \| good	3.8 \| good	17 \| good	39.826 \| good	0.41 \| good	1.58 \| good	0.105 \| good
2025-07-13T02:00:00.000Z	34 \| good	4.2 \| good	19 \| good	37.217 \| good	0.363 \| good	2.261 \| good	0.134 \| good
2025-07-13T03:00:00.000Z	27 \| good	5.2 \| good	23 \| good	29.101 \| good	0.373 \| good	5.64 \| good	0.269 \| good
2025-07-13T04:00:00.000Z	27 \| good	5.4 \| good	23 \| good	26.126 \| good	0.543 \| good	9.497 \| good	0.295 \| good
2025-07-13T05:00:00.000Z	33 \| good	6.3 \| good	28 \| good	21.694 \| good	0.396 \| good	10.263 \| good	0.353 \| good
2025-07-13T06:00:00.000Z	44 \| good	7.6 \| good	34 \| good	18.29 \| good	0.53 \| good	11.293 \| good	0.296 \| good
2025-07-13T07:00:00.000Z	49 \| good	9.1 \| good	41 \| good	17.065 \| good	0.529 \| good	13.039 \| good	0.295 \| good
2025-07-13T08:00:00.000Z	49 \| good	8.7 \| good	38 \| good	12.046 \| good	0.528 \| good	11.832 \| good	0.294 \| good
2025-07-13T09:00:00.000Z	44 \| good	8 \| good	35 \| good	11.722 \| good	0.399 \| good	11.772 \| good	0.226 \| good
2025-07-13T10:00:00.000Z	38 \| good	7 \| good	31 \| good	13.857 \| good	0.595 \| good	9.587 \| good	0.131 \| good
2025-07-13T11:00:00.000Z	33 \| good	6.2 \| good	28 \| good	11.58 \| good	0.592 \| good	13.465 \| good	0.131 \| good
2025-07-13T12:00:00.000Z	33 \| good	6.2 \| good	28 \| good	14.178 \| good	0.43 \| good	13.344 \| good	0.228 \| good
2025-07-13T13:00:00.000Z	33 \| good	6.2 \| good	28 \| good	18.92 \| good	1.559 \| good	10.57 \| good	0.228 \| good
2025-07-13T14:00:00.000Z	27 \| good	5.1 \| good	22 \| good	20.266 \| good	0.826 \| good	7.685 \| good	0.157 \| good
2025-07-13T15:00:00.000Z	27 \| good	4.8 \| good	21 \| good	21.879 \| good	1.044 \| good	5.237 \| good	0.161 \| good
2025-07-13T16:00:00.000Z	31 \| good	4.8 \| good	21 \| good	32.777 \| good	1.484 \| good	4.884 \| good	0.161 \| good
2025-07-13T17:00:00.000Z	33 \| good	6 \| good	27 \| good	35.664 \| good	1.384 \| good	4.118 \| good	0.2 \| good
2025-07-13T18:00:00.000Z	33 \| good	5.6 \| good	24 \| good	34.046 \| good	0.929 \| good	3.985 \| good	0.131 \| good
2025-07-13T19:00:00.000Z	29 \| good	5.1 \| good	22 \| good	31.066 \| good	1.011 \| good	3.401 \| good	0.131 \| good
2025-07-13T20:00:00.000Z	30 \| good	4.8 \| good	21 \| good	32.265 \| good	0.419 \| good	3.323 \| good	0.198 \| good
2025-07-13T21:00:00.000Z	33 \| good	4.7 \| good	21 \| good	36.162 \| good	0.321 \| good	3.668 \| good	0.131 \| good
2025-07-13T22:00:00.000Z	30 \| good	4.6 \| good	20 \| good	31.536 \| good	0.407 \| good	3.251 \| good	0.198 \| good
2025-07-13T23:00:00.000Z	25 \| good	4.3 \| good	19 \| good	27.401 \| good	0.34 \| good	5.128 \| good	0.198 \| good
2025-07-14T00:00:00.000Z	23 \| good	3.7 \| good	16 \| good	25.228 \| good	0.355 \| good	4.979 \| good	0.198 \| good
2025-07-14T01:00:00.000Z	25 \| good	3.4 \| good	15 \| good	26.791 \| good	0.36 \| good	8.226 \| good	0.225 \| good
2025-07-14T02:00:00.000Z	22 \| good	3.4 \| good	15 \| good	24.044 \| good	0.308 \| good	8.725 \| good	0.227 \| good
2025-07-14T03:00:00.000Z	22 \| good	3.5 \| good	16 \| good	23.255 \| good	0.32 \| good	9.625 \| good	0.23 \| good
2025-07-14T04:00:00.000Z	22 \| good	3.7 \| good	16 \| good	23.219 \| good	0.334 \| good	8.368 \| good	0.201 \| good
2025-07-14T05:00:00.000Z	22 \| good	3.5 \| good	16 \| good	22.135 \| good	0.323 \| good	6.906 \| good	0.133 \| good
2025-07-14T06:00:00.000Z	19 \| good	3.3 \| good	15 \| good	20.211 \| good	0.324 \| good	5.802 \| good	0.199 \| good
2025-07-14T07:00:00.000Z	16 \| good	3.1 \| good	14 \| good	17.04 \| good	0.306 \| good	6.437 \| good	0.199 \| good
2025-07-14T08:00:00.000Z	18 \| good	3.3 \| good	15 \| good	18.817 \| good	0.287 \| good	6.714 \| good	0.199 \| good
2025-07-14T09:00:00.000Z	22 \| good	3.8 \| good	17 \| good	13.847 \| good	0.253 \| good	6.805 \| good	0.105 \| good
2025-07-14T10:00:00.000Z	27 \| good	5 \| good	22 \| good	20.842 \| good	0.34 \| good	7.301 \| good	0.104 \| good
2025-07-14T11:00:00.000Z	33 \| good	5.7 \| good	25 \| good	20.371 \| good	1.202 \| good	6.623 \| good	0.104 \| good
2025-07-14T12:00:00.000Z	33 \| good	6.2 \| good	28 \| good	21.887 \| good	0.917 \| good	7.02 \| good	0.105 \| good
2025-07-14T13:00:00.000Z	33 \| good	6.3 \| good	28 \| good	23.8 \| good	0.507 \| good	8.093 \| good	0.201 \| good
2025-07-14T14:00:00.000Z	33 \| good	6.1 \| good	27 \| good	24.561 \| good	0.381 \| good	8.803 \| good	0.237 \| good
2025-07-14T15:00:00.000Z	33 \| good	6.1 \| good	27 \| good	23.685 \| good	0.436 \| good	8.127 \| good	0.227 \| good
2025-07-14T16:00:00.000Z	38 \| good	6.63 \| good	26.878 \| good	23.43 \| good	0.418 \| good	8.478 \| good	0.222 \| good
2025-07-14T17:00:00.000Z	40 \| good	6.088 \| good	27.041 \| good	43.331 \| good	0.731 \| good	1.554 \| good	0.182 \| good
2025-07-14T18:00:00.000Z	39 \| good	4.808 \| good	20.828 \| good	42.096 \| good	0.76 \| good	1.215 \| good	0.177 \| good
2025-07-14T19:00:00.000Z	42 \| good	4.116 \| good	18.119 \| good	44.935 \| good	0.704 \| good	1.335 \| good	0.177 \| good
2025-07-14T20:00:00.000Z	42 \| good	3.719 \| good	16.305 \| good	45.102 \| good	0.648 \| good	1.455 \| good	0.177 \| good
2025-07-14T21:00:00.000Z	44 \| good	4.205 \| good	18.533 \| good	47.371 \| good	0.592 \| good	1.575 \| good	0.178 \| good
2025-07-14T22:00:00.000Z	42 \| good	4.511 \| good	19.741 \| good	45.093 \| good	0.62 \| good	2.313 \| good	0.184 \| good
2025-07-14T23:00:00.000Z	38 \| good	3.349 \| good	14.734 \| good	40.895 \| good	0.648 \| good	3.05 \| good	0.191 \| good
2025-07-15T00:00:00.000Z	37 \| good	2.91 \| good	12.393 \| good	40.059 \| good	0.676 \| good	3.788 \| good	0.198 \| good
2025-07-15T01:00:00.000Z	32 \| good	3.959 \| good	17.041 \| good	35.462 \| good	0.78 \| good	5.709 \| good	0.219 \| good
2025-07-15T02:00:00.000Z	25 \| good	4.475 \| good	19.499 \| good	26.571 \| good	0.883 \| good	7.631 \| good	0.239 \| good
2025-07-15T03:00:00.000Z	38 \| good	7.06 \| good	31.204 \| good	23.433 \| good	0.986 \| good	9.552 \| good	0.26 \| good
2025-07-15T04:00:00.000Z	44 \| good	7.843 \| good	34.324 \| good	23.239 \| good	1.056 \| good	10.949 \| good	0.275 \| good
2025-07-15T05:00:00.000Z	38 \| good	6.729 \| good	30.184 \| good	20.689 \| good	1.126 \| good	12.347 \| good	0.289 \| good
2025-07-15T06:00:00.000Z	27 \| good	5.495 \| good	23.703 \| good	19.994 \| good	1.197 \| good	13.744 \| good	0.303 \| good
2025-07-15T07:00:00.000Z	27 \| good	5.195 \| good	22.558 \| good	15.346 \| good	1.108 \| good	12.63 \| good	0.292 \| good
2025-07-15T08:00:00.000Z	33 \| good	6.362 \| good	28.475 \| good	14.748 \| good	1.019 \| good	11.516 \| good	0.282 \| good
2025-07-15T09:00:00.000Z	49 \| good	8.667 \| good	38.573 \| good	14.331 \| good	0.93 \| good	10.402 \| good	0.271 \| good
2025-07-15T10:00:00.000Z	38 \| good	7.019 \| good	31.391 \| good	10.439 \| good	0.837 \| good	8.914 \| good	0.257 \| good
2025-07-15T11:00:00.000Z	38 \| good	7.2 \| good	31.918 \| good	9.022 \| good	0.744 \| good	7.426 \| good	0.244 \| good
2025-07-15T12:00:00.000Z	38 \| good	6.922 \| good	30.645 \| good	16.655 \| good	0.651 \| good	5.938 \| good	0.23 \| good
2025-07-15T13:00:00.000Z	33 \| good	5.937 \| good	26.441 \| good	25.662 \| good	0.745 \| good	4.758 \| good	0.22 \| good
2025-07-15T14:00:00.000Z	34 \| good	5.549 \| good	24.001 \| good	36.879 \| good	0.839 \| good	3.577 \| good	0.21 \| good
2025-07-15T15:00:00.000Z	41 \| good	5.448 \| good	23.212 \| good	44.308 \| good	0.934 \| good	2.397 \| good	0.2 \| good
2025-07-15T16:00:00.000Z	43 \| good	6.309 \| good	28.188 \| good	45.607 \| good	0.906 \| good	2.081 \| good	0.196 \| good
2025-07-15T17:00:00.000Z	42 \| good	6.043 \| good	26.639 \| good	45.018 \| good	0.879 \| good	1.766 \| good	0.192 \| good
2025-07-15T18:00:00.000Z	44 \| good	5.06 \| good	21.87 \| good	46.595 \| good	0.852 \| good	1.451 \| good	0.189 \| good
2025-07-15T19:00:00.000Z	48 \| good	6.524 \| good	29.219 \| good	51.984 \| good	0.797 \| good	1.66 \| good	0.191 \| good
2025-07-15T20:00:00.000Z	51 \| moderate	6.64 \| good	29.535 \| good	55.398 \| fine	0.743 \| good	1.869 \| good	0.194 \| good
2025-07-15T21:00:00.000Z	61 \| moderate	6.153 \| good	27.284 \| good	57.737 \| fine	0.688 \| good	2.078 \| good	0.197 \| good
2025-07-15T22:00:00.000Z	71 \| moderate	8.443 \| good	37.205 \| good	61.058 \| fine	0.789 \| good	2.552 \| good	0.205 \| good
2025-07-15T23:00:00.000Z	51 \| moderate	6.343 \| good	28.236 \| good	55.41 \| fine	0.89 \| good	3.026 \| good	0.213 \| good
2025-07-16T00:00:00.000Z	46 \| good	6.104 \| good	26.788 \| good	50.151 \| good	0.991 \| good	3.5 \| good	0.221 \| good
2025-07-16T01:00:00.000Z	39 \| good	7.306 \| good	32.279 \| good	42.193 \| good	1.054 \| good	4.833 \| good	0.234 \| good
2025-07-16T02:00:00.000Z	38 \| good	6.865 \| good	30.423 \| good	31.432 \| good	1.116 \| good	6.165 \| good	0.247 \| good
2025-07-16T03:00:00.000Z	49 \| good	8.878 \| good	39.174 \| good	24.75 \| good	1.179 \| good	7.498 \| good	0.261 \| good
2025-07-16T04:00:00.000Z	52 \| moderate	9.603 \| good	42.463 \| good	19.572 \| good	1.146 \| good	7.41 \| good	0.261 \| good
2025-07-16T05:00:00.000Z	49 \| good	8.625 \| good	37.965 \| good	20.051 \| good	1.113 \| good	7.322 \| good	0.26 \| good
2025-07-16T06:00:00.000Z	49 \| good	8.883 \| good	39.068 \| good	17.503 \| good	1.079 \| good	7.234 \| good	0.26 \| good
2025-07-16T07:00:00.000Z	44 \| good	8.29 \| good	36.226 \| good	13.135 \| good	0.957 \| good	6.44 \| good	0.253 \| good
2025-07-16T08:00:00.000Z	38 \| good	7.418 \| good	32.81 \| good	12.77 \| good	0.835 \| good	5.645 \| good	0.246 \| good
2025-07-16T09:00:00.000Z	38 \| good	7.403 \| good	32.636 \| good	14.391 \| good	0.713 \| good	4.85 \| good	0.24 \| good
2025-07-16T10:00:00.000Z	27 \| good	4.912 \| good	21.305 \| good	11.997 \| good	0.658 \| good	4.296 \| good	0.238 \| good
2025-07-16T11:00:00.000Z	27 \| good	4.661 \| good	20.19 \| good	10.721 \| good	0.603 \| good	3.741 \| good	0.236 \| good
2025-07-16T12:00:00.000Z	27 \| good	5.102 \| good	22.256 \| good	19.04 \| good	0.548 \| good	3.187 \| good	0.234 \| good
2025-07-16T13:00:00.000Z	25 \| good	4.033 \| good	17.675 \| good	27.241 \| good	0.644 \| good	2.711 \| good	0.232 \| good
2025-07-16T14:00:00.000Z	35 \| good	4.558 \| good	19.719 \| good	38.376 \| good	0.74 \| good	2.235 \| good	0.23 \| good
2025-07-16T15:00:00.000Z	43 \| good	4.998 \| good	21.635 \| good	45.829 \| good	0.837 \| good	1.759 \| good	0.228 \| good
2025-07-16T16:00:00.000Z	44 \| good	4.997 \| good	21.816 \| good	47.649 \| good	0.881 \| good	1.564 \| good	0.212 \| good

Real-time air quality index in Granite City, Illinois today

Major air pollutants in Granite City, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Granite City, Illinois air quality forecast and history

Get reliable air quality data to drive your business

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

Air quality in nearby cities

Bellefontaine Neighbors, Missouri

East St. Louis, Illinois

St. Louis, Missouri

Jennings, Missouri

Spanish Lake, Missouri

Ferguson, Missouri

How accurate is Illinois, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Granite City, Illinois?

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

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What is the AQI in Granite City, Illinois right now?

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

What is the PM2.5 level in Granite City, Illinois at the moment?

What is the PM10 level in Granite City, Illinois at the moment?

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

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

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

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

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 Granite City, Illinois at the moment?

What is the PM₁₀ level in Granite City, Illinois at the moment?

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

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

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