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 0.422 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 40.122 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 8.151 ppb.

Live air quality index in Granite City, Illinois today

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

PM2.5 levels in Granite City, Illinois are currently 12.063 μg/m3.

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

The PM10 concentration in Granite City, Illinois is 53.204 μg/m3 at the moment.

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)

Moderate

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)

12.06 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

53.20 μg/m³

155

255

425

605+

Ozone (O₃)

40.12 ppb

201

201+

Sulfur Dioxide (SO₂)

0.42 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.15 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2026-08-10T22:00:00.000Z	44 \| good	7.603 \| good	33.372 \| good	43.82 \| good	1.535 \| good	1.406 \| good	0.192 \| good
2026-08-10T23:00:00.000Z	44 \| good	8.153 \| good	35.723 \| good	40.095 \| good	1.376 \| good	2.653 \| good	0.207 \| good
2026-08-11T00:00:00.000Z	34 \| good	5.517 \| good	23.95 \| good	36.635 \| good	1.12 \| good	3.007 \| good	0.196 \| good
2026-08-11T01:00:00.000Z	49 \| good	8.873 \| good	38.975 \| good	29.752 \| good	1.112 \| good	5.012 \| good	0.209 \| good
2026-08-11T02:00:00.000Z	44 \| good	8.419 \| good	36.797 \| good	24.909 \| good	1.088 \| good	5.845 \| good	0.213 \| good
2026-08-11T03:00:00.000Z	44 \| good	8.196 \| good	35.904 \| good	20.616 \| good	1.011 \| good	5.533 \| good	0.209 \| good
2026-08-11T04:00:00.000Z	38 \| good	7.001 \| good	31.138 \| good	18.922 \| good	0.903 \| good	4.946 \| good	0.202 \| good
2026-08-11T05:00:00.000Z	44 \| good	7.943 \| good	34.877 \| good	16.367 \| good	0.809 \| good	4.207 \| good	0.193 \| good
2026-08-11T06:00:00.000Z	44 \| good	7.686 \| good	33.714 \| good	15.447 \| good	0.746 \| good	3.829 \| good	0.187 \| good
2026-08-11T07:00:00.000Z	60 \| moderate	14 \| fine	63 \| fine	15.308 \| good	0.701 \| good	7.845 \| good	0.231 \| good
2026-08-11T08:00:00.000Z	60 \| moderate	14.3 \| fine	65 \| fine	15.255 \| good	0.699 \| good	7.8 \| good	0.231 \| good
2026-08-11T09:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	19.035 \| good	1.292 \| good	8.16 \| good	0.203 \| good
2026-08-11T10:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	14.916 \| good	2.331 \| good	8.129 \| good	0.258 \| good
2026-08-11T11:00:00.000Z	62 \| moderate	14.6 \| fine	65 \| fine	17.478 \| good	3.065 \| good	10.183 \| good	0.231 \| good
2026-08-11T12:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	17 \| good	1.67 \| good	9.523 \| good	0.231 \| good
2026-08-11T13:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	17.914 \| good	0.622 \| good	8.206 \| good	0.231 \| good
2026-08-11T14:00:00.000Z	62 \| moderate	14.9 \| fine	67 \| fine	20.834 \| good	0.948 \| good	7.302 \| good	0.298 \| good
2026-08-11T15:00:00.000Z	58 \| moderate	12.9 \| fine	59 \| fine	26.412 \| good	0.842 \| good	5.685 \| good	0.231 \| good
2026-08-11T16:00:00.000Z	56 \| moderate	11.5 \| good	51 \| good	29.776 \| good	1.015 \| good	4.335 \| good	0.203 \| good
2026-08-11T17:00:00.000Z	54 \| moderate	10.7 \| good	48 \| good	32.215 \| good	0.73 \| good	4.362 \| good	0.229 \| good
2026-08-11T18:00:00.000Z	52 \| moderate	10.1 \| good	45 \| good	42.611 \| good	0.598 \| good	4.599 \| good	0.202 \| good
2026-08-11T19:00:00.000Z	49 \| good	9.4 \| good	42 \| good	41.681 \| good	0.544 \| good	5.747 \| good	0.229 \| good
2026-08-11T20:00:00.000Z	49 \| good	8.8 \| good	39 \| good	48.124 \| good	0.307 \| good	6.029 \| good	0.229 \| good
2026-08-11T21:00:00.000Z	49 \| good	8.7 \| good	38 \| good	45.52 \| good	0.582 \| good	5.22 \| good	0.202 \| good
2026-08-11T22:00:00.000Z	49 \| good	9 \| good	41 \| good	48.903 \| good	0.536 \| good	4.834 \| good	0.203 \| good
2026-08-11T23:00:00.000Z	49 \| good	9.1 \| good	41 \| good	40.683 \| good	0.65 \| good	4.377 \| good	0.203 \| good
2026-08-12T00:00:00.000Z	49 \| good	9.2 \| good	41 \| good	44.679 \| good	0.596 \| good	4.26 \| good	0.203 \| good
2026-08-12T01:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	31.922 \| good	0.706 \| good	3.812 \| good	0.203 \| good
2026-08-12T02:00:00.000Z	52 \| moderate	10.4 \| good	46 \| good	29.255 \| good	0.619 \| good	5.769 \| good	0.202 \| good
2026-08-12T03:00:00.000Z	38 \| good	6.87 \| good	30.299 \| good	20.569 \| good	1.064 \| good	6.18 \| good	0.189 \| good
2026-08-12T04:00:00.000Z	56 \| moderate	11.5 \| good	51 \| good	25.264 \| good	0.654 \| good	7.705 \| good	0.258 \| good
2026-08-12T05:00:00.000Z	56 \| moderate	12 \| good	54 \| good	22.65 \| good	0.399 \| good	8.348 \| good	0.231 \| good
2026-08-12T06:00:00.000Z	56 \| moderate	12 \| good	54 \| good	18.479 \| good	0.467 \| good	6.378 \| good	0.202 \| good
2026-08-12T07:00:00.000Z	58 \| moderate	12.5 \| fine	57 \| fine	20.618 \| good	0.46 \| good	6.423 \| good	0.202 \| good
2026-08-12T08:00:00.000Z	56 \| moderate	12 \| good	54 \| good	15.922 \| good	0.456 \| good	6.511 \| good	0.205 \| good
2026-08-12T09:00:00.000Z	56 \| moderate	11.9 \| good	54 \| good	21.352 \| good	0.378 \| good	4.165 \| good	0.202 \| good
2026-08-12T10:00:00.000Z	56 \| moderate	12.3 \| fine	55 \| fine	14.939 \| good	0.454 \| good	4.24 \| good	0.202 \| good
2026-08-12T11:00:00.000Z	58 \| moderate	12.6 \| fine	57 \| fine	17.036 \| good	0.936 \| good	6.4 \| good	0.202 \| good
2026-08-12T12:00:00.000Z	60 \| moderate	13.6 \| fine	61 \| fine	16.791 \| good	0.882 \| good	9.827 \| good	0.229 \| good
2026-08-12T13:00:00.000Z	60 \| moderate	13.6 \| fine	61 \| fine	25.361 \| good	0.489 \| good	8.105 \| good	0.296 \| good
2026-08-12T14:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	28.733 \| good	0.767 \| good	4.644 \| good	0.232 \| good
2026-08-12T15:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	33.067 \| good	1.192 \| good	4.239 \| good	0.202 \| good
2026-08-12T16:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	32.674 \| good	1.77 \| good	4.12 \| good	0.229 \| good
2026-08-12T17:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	33.046 \| good	2.417 \| good	5.126 \| good	0.231 \| good
2026-08-12T18:00:00.000Z	60 \| moderate	13.6 \| fine	61 \| fine	32.825 \| good	1.735 \| good	4.317 \| good	0.233 \| good
2026-08-12T19:00:00.000Z	58 \| moderate	13.2 \| fine	59 \| fine	38.485 \| good	0.417 \| good	4.52 \| good	0.204 \| good
2026-08-12T20:00:00.000Z	58 \| moderate	13.3 \| fine	61 \| fine	38.492 \| good	0.445 \| good	8.012 \| good	0.235 \| good
2026-08-12T21:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	38.327 \| good	0.479 \| good	7.056 \| good	0.34 \| good
2026-08-12T21:00:00.000Z	56 \| moderate	12.063 \| good	53.204 \| good	40.122 \| good	0.422 \| good	8.151 \| good	0.228 \| good
2026-08-12T22:00:00.000Z	39 \| good	7.235 \| good	31.6 \| good	41.978 \| good	1.437 \| good	1.456 \| good	0.157 \| good
2026-08-12T23:00:00.000Z	49 \| good	9.463 \| good	42.138 \| good	36.434 \| good	1.533 \| good	1.978 \| good	0.163 \| good
2026-08-13T00:00:00.000Z	44 \| good	8.047 \| good	35.139 \| good	30.978 \| good	1.413 \| good	4.496 \| good	0.188 \| good
2026-08-13T01:00:00.000Z	52 \| moderate	10.409 \| good	46.019 \| good	20.604 \| good	1.341 \| good	8.187 \| good	0.216 \| good
2026-08-13T02:00:00.000Z	52 \| moderate	10.059 \| good	44.593 \| good	22.505 \| good	1.271 \| good	10.865 \| good	0.234 \| good
2026-08-13T03:00:00.000Z	44 \| good	7.761 \| good	34.016 \| good	23.455 \| good	1.157 \| good	10.92 \| good	0.233 \| good
2026-08-13T04:00:00.000Z	44 \| good	8.338 \| good	36.5 \| good	22.095 \| good	1.006 \| good	10.164 \| good	0.225 \| good
2026-08-13T05:00:00.000Z	52 \| moderate	9.777 \| good	43.664 \| good	20.748 \| good	0.829 \| good	8.997 \| good	0.214 \| good
2026-08-13T06:00:00.000Z	52 \| moderate	9.764 \| good	43.341 \| good	20.675 \| good	0.67 \| good	7.457 \| good	0.2 \| good
2026-08-13T07:00:00.000Z	49 \| good	8.743 \| good	38.321 \| good	17.245 \| good	0.592 \| good	5.981 \| good	0.184 \| good
2026-08-13T08:00:00.000Z	49 \| good	9.354 \| good	41.388 \| good	16.86 \| good	0.579 \| good	4.757 \| good	0.17 \| good
2026-08-13T09:00:00.000Z	44 \| good	8.226 \| good	36.104 \| good	12.265 \| good	0.585 \| good	3.916 \| good	0.159 \| good
2026-08-13T10:00:00.000Z	44 \| good	7.677 \| good	33.792 \| good	12.746 \| good	0.592 \| good	3.895 \| good	0.155 \| good
2026-08-13T11:00:00.000Z	38 \| good	7.095 \| good	31.505 \| good	11.108 \| good	0.518 \| good	5.333 \| good	0.163 \| good
2026-08-13T12:00:00.000Z	49 \| good	8.906 \| good	39.564 \| good	12.745 \| good	0.45 \| good	4.987 \| good	0.164 \| good
2026-08-13T13:00:00.000Z	49 \| good	9.383 \| good	42.102 \| good	17.052 \| good	0.427 \| good	5.351 \| good	0.17 \| good
2026-08-13T14:00:00.000Z	52 \| moderate	10.381 \| good	46.089 \| good	24.78 \| good	0.478 \| good	5.097 \| good	0.18 \| good
2026-08-13T15:00:00.000Z	49 \| good	8.604 \| good	38.172 \| good	34.356 \| good	0.537 \| good	3.22 \| good	0.184 \| good
2026-08-13T16:00:00.000Z	38 \| good	5.996 \| good	26.257 \| good	41.021 \| good	0.784 \| good	2.007 \| good	0.178 \| good
2026-08-13T17:00:00.000Z	40 \| good	7.099 \| good	31.417 \| good	43.429 \| good	1.159 \| good	1.687 \| good	0.174 \| good
2026-08-13T18:00:00.000Z	44 \| good	8.283 \| good	36.312 \| good	46.886 \| good	1.446 \| good	1.563 \| good	0.174 \| good
2026-08-13T19:00:00.000Z	41 \| good	7.309 \| good	32.39 \| good	43.98 \| good	1.625 \| good	1.465 \| good	0.173 \| good
2026-08-13T20:00:00.000Z	44 \| good	6.454 \| good	28.697 \| good	47.485 \| good	1.657 \| good	1.419 \| good	0.171 \| good
2026-08-13T21:00:00.000Z	43 \| good	5.214 \| good	22.403 \| good	46.36 \| good	1.619 \| good	1.449 \| good	0.168 \| good
2026-08-13T22:00:00.000Z	40 \| good	5.505 \| good	23.9 \| good	42.86 \| good	1.577 \| good	1.632 \| good	0.166 \| good
2026-08-13T23:00:00.000Z	36 \| good	6.002 \| good	26.139 \| good	38.722 \| good	1.423 \| good	3.702 \| good	0.188 \| good
2026-08-14T00:00:00.000Z	33 \| good	5.862 \| good	25.536 \| good	31.198 \| good	1.275 \| good	6.079 \| good	0.214 \| good
2026-08-14T01:00:00.000Z	44 \| good	7.678 \| good	33.736 \| good	29.421 \| good	1.166 \| good	7.858 \| good	0.225 \| good
2026-08-14T02:00:00.000Z	49 \| good	8.779 \| good	38.317 \| good	25.915 \| good	1.03 \| good	7.983 \| good	0.22 \| good
2026-08-14T03:00:00.000Z	49 \| good	8.974 \| good	39.88 \| good	23.973 \| good	0.867 \| good	7.339 \| good	0.209 \| good
2026-08-14T04:00:00.000Z	49 \| good	8.994 \| good	39.89 \| good	24.54 \| good	0.744 \| good	6.852 \| good	0.2 \| good
2026-08-14T05:00:00.000Z	49 \| good	9.078 \| good	40.616 \| good	26.498 \| good	0.685 \| good	6.977 \| good	0.197 \| good
2026-08-14T06:00:00.000Z	52 \| moderate	10.012 \| good	44.523 \| good	25.609 \| good	0.661 \| good	6.742 \| good	0.192 \| good
2026-08-14T07:00:00.000Z	54 \| moderate	10.636 \| good	47.074 \| good	21.166 \| good	0.681 \| good	5.943 \| good	0.182 \| good
2026-08-14T08:00:00.000Z	54 \| moderate	10.502 \| good	46.773 \| good	18.21 \| good	0.69 \| good	5.713 \| good	0.174 \| good
2026-08-14T09:00:00.000Z	54 \| moderate	11.051 \| good	49.129 \| good	12.826 \| good	0.723 \| good	5.136 \| good	0.166 \| good
2026-08-14T10:00:00.000Z	56 \| moderate	12.32 \| fine	55.271 \| fine	10.725 \| good	0.737 \| good	4.248 \| good	0.155 \| good
2026-08-14T11:00:00.000Z	56 \| moderate	12.164 \| fine	54.839 \| good	10.426 \| good	0.731 \| good	3.838 \| good	0.147 \| good
2026-08-14T12:00:00.000Z	56 \| moderate	11.953 \| good	53.848 \| good	13.971 \| good	0.707 \| good	3.523 \| good	0.147 \| good
2026-08-14T13:00:00.000Z	54 \| moderate	11.044 \| good	48.796 \| good	20.681 \| good	0.699 \| good	3.377 \| good	0.157 \| good
2026-08-14T14:00:00.000Z	56 \| moderate	12.024 \| good	53.407 \| good	27.416 \| good	0.743 \| good	3.182 \| good	0.174 \| good
2026-08-14T15:00:00.000Z	56 \| moderate	12.366 \| fine	55.825 \| fine	41.075 \| good	0.908 \| good	2.314 \| good	0.176 \| good
2026-08-14T16:00:00.000Z	54 \| moderate	11.179 \| good	49.526 \| good	53.854 \| good	1.161 \| good	1.757 \| good	0.174 \| good
2026-08-14T17:00:00.000Z	56 \| moderate	11.572 \| good	51.669 \| good	56.084 \| fine	1.358 \| good	1.45 \| good	0.173 \| good
2026-08-14T18:00:00.000Z	58 \| moderate	12.662 \| fine	57.11 \| fine	55.614 \| fine	1.489 \| good	1.31 \| good	0.174 \| good
2026-08-14T19:00:00.000Z	52 \| moderate	10.325 \| good	45.637 \| good	53.63 \| good	1.552 \| good	1.247 \| good	0.176 \| good
2026-08-14T20:00:00.000Z	52 \| moderate	9.756 \| good	43.351 \| good	51.184 \| good	1.559 \| good	1.259 \| good	0.176 \| good
2026-08-14T21:00:00.000Z	52 \| moderate	10.186 \| good	45.184 \| good	46.027 \| good	1.542 \| good	1.299 \| good	0.176 \| good

Granite City

Get reliable air quality data to drive your business

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

0.25ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 06:00:00 on 2026-08-12.

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 03:00:00 on 2026-08-12.

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

As of now, the AQI in Granite City, Illinois is 56, indicating Moderate 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 12.063 μg/m³.

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

The PM₁₀ concentration in Granite City, Illinois is 53.204 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 0.228 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 0.422 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 40.122 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 8.151 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-10T22:00:00.000Z	44 \| good	7.603 \| good	33.372 \| good	43.82 \| good	1.535 \| good	1.406 \| good	0.192 \| good
2026-08-10T23:00:00.000Z	44 \| good	8.153 \| good	35.723 \| good	40.095 \| good	1.376 \| good	2.653 \| good	0.207 \| good
2026-08-11T00:00:00.000Z	34 \| good	5.517 \| good	23.95 \| good	36.635 \| good	1.12 \| good	3.007 \| good	0.196 \| good
2026-08-11T01:00:00.000Z	49 \| good	8.873 \| good	38.975 \| good	29.752 \| good	1.112 \| good	5.012 \| good	0.209 \| good
2026-08-11T02:00:00.000Z	44 \| good	8.419 \| good	36.797 \| good	24.909 \| good	1.088 \| good	5.845 \| good	0.213 \| good
2026-08-11T03:00:00.000Z	44 \| good	8.196 \| good	35.904 \| good	20.616 \| good	1.011 \| good	5.533 \| good	0.209 \| good
2026-08-11T04:00:00.000Z	38 \| good	7.001 \| good	31.138 \| good	18.922 \| good	0.903 \| good	4.946 \| good	0.202 \| good
2026-08-11T05:00:00.000Z	44 \| good	7.943 \| good	34.877 \| good	16.367 \| good	0.809 \| good	4.207 \| good	0.193 \| good
2026-08-11T06:00:00.000Z	44 \| good	7.686 \| good	33.714 \| good	15.447 \| good	0.746 \| good	3.829 \| good	0.187 \| good
2026-08-11T07:00:00.000Z	60 \| moderate	14 \| fine	63 \| fine	15.308 \| good	0.701 \| good	7.845 \| good	0.231 \| good
2026-08-11T08:00:00.000Z	60 \| moderate	14.3 \| fine	65 \| fine	15.255 \| good	0.699 \| good	7.8 \| good	0.231 \| good
2026-08-11T09:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	19.035 \| good	1.292 \| good	8.16 \| good	0.203 \| good
2026-08-11T10:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	14.916 \| good	2.331 \| good	8.129 \| good	0.258 \| good
2026-08-11T11:00:00.000Z	62 \| moderate	14.6 \| fine	65 \| fine	17.478 \| good	3.065 \| good	10.183 \| good	0.231 \| good
2026-08-11T12:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	17 \| good	1.67 \| good	9.523 \| good	0.231 \| good
2026-08-11T13:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	17.914 \| good	0.622 \| good	8.206 \| good	0.231 \| good
2026-08-11T14:00:00.000Z	62 \| moderate	14.9 \| fine	67 \| fine	20.834 \| good	0.948 \| good	7.302 \| good	0.298 \| good
2026-08-11T15:00:00.000Z	58 \| moderate	12.9 \| fine	59 \| fine	26.412 \| good	0.842 \| good	5.685 \| good	0.231 \| good
2026-08-11T16:00:00.000Z	56 \| moderate	11.5 \| good	51 \| good	29.776 \| good	1.015 \| good	4.335 \| good	0.203 \| good
2026-08-11T17:00:00.000Z	54 \| moderate	10.7 \| good	48 \| good	32.215 \| good	0.73 \| good	4.362 \| good	0.229 \| good
2026-08-11T18:00:00.000Z	52 \| moderate	10.1 \| good	45 \| good	42.611 \| good	0.598 \| good	4.599 \| good	0.202 \| good
2026-08-11T19:00:00.000Z	49 \| good	9.4 \| good	42 \| good	41.681 \| good	0.544 \| good	5.747 \| good	0.229 \| good
2026-08-11T20:00:00.000Z	49 \| good	8.8 \| good	39 \| good	48.124 \| good	0.307 \| good	6.029 \| good	0.229 \| good
2026-08-11T21:00:00.000Z	49 \| good	8.7 \| good	38 \| good	45.52 \| good	0.582 \| good	5.22 \| good	0.202 \| good
2026-08-11T22:00:00.000Z	49 \| good	9 \| good	41 \| good	48.903 \| good	0.536 \| good	4.834 \| good	0.203 \| good
2026-08-11T23:00:00.000Z	49 \| good	9.1 \| good	41 \| good	40.683 \| good	0.65 \| good	4.377 \| good	0.203 \| good
2026-08-12T00:00:00.000Z	49 \| good	9.2 \| good	41 \| good	44.679 \| good	0.596 \| good	4.26 \| good	0.203 \| good
2026-08-12T01:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	31.922 \| good	0.706 \| good	3.812 \| good	0.203 \| good
2026-08-12T02:00:00.000Z	52 \| moderate	10.4 \| good	46 \| good	29.255 \| good	0.619 \| good	5.769 \| good	0.202 \| good
2026-08-12T03:00:00.000Z	38 \| good	6.87 \| good	30.299 \| good	20.569 \| good	1.064 \| good	6.18 \| good	0.189 \| good
2026-08-12T04:00:00.000Z	56 \| moderate	11.5 \| good	51 \| good	25.264 \| good	0.654 \| good	7.705 \| good	0.258 \| good
2026-08-12T05:00:00.000Z	56 \| moderate	12 \| good	54 \| good	22.65 \| good	0.399 \| good	8.348 \| good	0.231 \| good
2026-08-12T06:00:00.000Z	56 \| moderate	12 \| good	54 \| good	18.479 \| good	0.467 \| good	6.378 \| good	0.202 \| good
2026-08-12T07:00:00.000Z	58 \| moderate	12.5 \| fine	57 \| fine	20.618 \| good	0.46 \| good	6.423 \| good	0.202 \| good
2026-08-12T08:00:00.000Z	56 \| moderate	12 \| good	54 \| good	15.922 \| good	0.456 \| good	6.511 \| good	0.205 \| good
2026-08-12T09:00:00.000Z	56 \| moderate	11.9 \| good	54 \| good	21.352 \| good	0.378 \| good	4.165 \| good	0.202 \| good
2026-08-12T10:00:00.000Z	56 \| moderate	12.3 \| fine	55 \| fine	14.939 \| good	0.454 \| good	4.24 \| good	0.202 \| good
2026-08-12T11:00:00.000Z	58 \| moderate	12.6 \| fine	57 \| fine	17.036 \| good	0.936 \| good	6.4 \| good	0.202 \| good
2026-08-12T12:00:00.000Z	60 \| moderate	13.6 \| fine	61 \| fine	16.791 \| good	0.882 \| good	9.827 \| good	0.229 \| good
2026-08-12T13:00:00.000Z	60 \| moderate	13.6 \| fine	61 \| fine	25.361 \| good	0.489 \| good	8.105 \| good	0.296 \| good
2026-08-12T14:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	28.733 \| good	0.767 \| good	4.644 \| good	0.232 \| good
2026-08-12T15:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	33.067 \| good	1.192 \| good	4.239 \| good	0.202 \| good
2026-08-12T16:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	32.674 \| good	1.77 \| good	4.12 \| good	0.229 \| good
2026-08-12T17:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	33.046 \| good	2.417 \| good	5.126 \| good	0.231 \| good
2026-08-12T18:00:00.000Z	60 \| moderate	13.6 \| fine	61 \| fine	32.825 \| good	1.735 \| good	4.317 \| good	0.233 \| good
2026-08-12T19:00:00.000Z	58 \| moderate	13.2 \| fine	59 \| fine	38.485 \| good	0.417 \| good	4.52 \| good	0.204 \| good
2026-08-12T20:00:00.000Z	58 \| moderate	13.3 \| fine	61 \| fine	38.492 \| good	0.445 \| good	8.012 \| good	0.235 \| good
2026-08-12T21:00:00.000Z	58 \| moderate	13.4 \| fine	61 \| fine	38.327 \| good	0.479 \| good	7.056 \| good	0.34 \| good
2026-08-12T21:00:00.000Z	56 \| moderate	12.063 \| good	53.204 \| good	40.122 \| good	0.422 \| good	8.151 \| good	0.228 \| good
2026-08-12T22:00:00.000Z	39 \| good	7.235 \| good	31.6 \| good	41.978 \| good	1.437 \| good	1.456 \| good	0.157 \| good
2026-08-12T23:00:00.000Z	49 \| good	9.463 \| good	42.138 \| good	36.434 \| good	1.533 \| good	1.978 \| good	0.163 \| good
2026-08-13T00:00:00.000Z	44 \| good	8.047 \| good	35.139 \| good	30.978 \| good	1.413 \| good	4.496 \| good	0.188 \| good
2026-08-13T01:00:00.000Z	52 \| moderate	10.409 \| good	46.019 \| good	20.604 \| good	1.341 \| good	8.187 \| good	0.216 \| good
2026-08-13T02:00:00.000Z	52 \| moderate	10.059 \| good	44.593 \| good	22.505 \| good	1.271 \| good	10.865 \| good	0.234 \| good
2026-08-13T03:00:00.000Z	44 \| good	7.761 \| good	34.016 \| good	23.455 \| good	1.157 \| good	10.92 \| good	0.233 \| good
2026-08-13T04:00:00.000Z	44 \| good	8.338 \| good	36.5 \| good	22.095 \| good	1.006 \| good	10.164 \| good	0.225 \| good
2026-08-13T05:00:00.000Z	52 \| moderate	9.777 \| good	43.664 \| good	20.748 \| good	0.829 \| good	8.997 \| good	0.214 \| good
2026-08-13T06:00:00.000Z	52 \| moderate	9.764 \| good	43.341 \| good	20.675 \| good	0.67 \| good	7.457 \| good	0.2 \| good
2026-08-13T07:00:00.000Z	49 \| good	8.743 \| good	38.321 \| good	17.245 \| good	0.592 \| good	5.981 \| good	0.184 \| good
2026-08-13T08:00:00.000Z	49 \| good	9.354 \| good	41.388 \| good	16.86 \| good	0.579 \| good	4.757 \| good	0.17 \| good
2026-08-13T09:00:00.000Z	44 \| good	8.226 \| good	36.104 \| good	12.265 \| good	0.585 \| good	3.916 \| good	0.159 \| good
2026-08-13T10:00:00.000Z	44 \| good	7.677 \| good	33.792 \| good	12.746 \| good	0.592 \| good	3.895 \| good	0.155 \| good
2026-08-13T11:00:00.000Z	38 \| good	7.095 \| good	31.505 \| good	11.108 \| good	0.518 \| good	5.333 \| good	0.163 \| good
2026-08-13T12:00:00.000Z	49 \| good	8.906 \| good	39.564 \| good	12.745 \| good	0.45 \| good	4.987 \| good	0.164 \| good
2026-08-13T13:00:00.000Z	49 \| good	9.383 \| good	42.102 \| good	17.052 \| good	0.427 \| good	5.351 \| good	0.17 \| good
2026-08-13T14:00:00.000Z	52 \| moderate	10.381 \| good	46.089 \| good	24.78 \| good	0.478 \| good	5.097 \| good	0.18 \| good
2026-08-13T15:00:00.000Z	49 \| good	8.604 \| good	38.172 \| good	34.356 \| good	0.537 \| good	3.22 \| good	0.184 \| good
2026-08-13T16:00:00.000Z	38 \| good	5.996 \| good	26.257 \| good	41.021 \| good	0.784 \| good	2.007 \| good	0.178 \| good
2026-08-13T17:00:00.000Z	40 \| good	7.099 \| good	31.417 \| good	43.429 \| good	1.159 \| good	1.687 \| good	0.174 \| good
2026-08-13T18:00:00.000Z	44 \| good	8.283 \| good	36.312 \| good	46.886 \| good	1.446 \| good	1.563 \| good	0.174 \| good
2026-08-13T19:00:00.000Z	41 \| good	7.309 \| good	32.39 \| good	43.98 \| good	1.625 \| good	1.465 \| good	0.173 \| good
2026-08-13T20:00:00.000Z	44 \| good	6.454 \| good	28.697 \| good	47.485 \| good	1.657 \| good	1.419 \| good	0.171 \| good
2026-08-13T21:00:00.000Z	43 \| good	5.214 \| good	22.403 \| good	46.36 \| good	1.619 \| good	1.449 \| good	0.168 \| good
2026-08-13T22:00:00.000Z	40 \| good	5.505 \| good	23.9 \| good	42.86 \| good	1.577 \| good	1.632 \| good	0.166 \| good
2026-08-13T23:00:00.000Z	36 \| good	6.002 \| good	26.139 \| good	38.722 \| good	1.423 \| good	3.702 \| good	0.188 \| good
2026-08-14T00:00:00.000Z	33 \| good	5.862 \| good	25.536 \| good	31.198 \| good	1.275 \| good	6.079 \| good	0.214 \| good
2026-08-14T01:00:00.000Z	44 \| good	7.678 \| good	33.736 \| good	29.421 \| good	1.166 \| good	7.858 \| good	0.225 \| good
2026-08-14T02:00:00.000Z	49 \| good	8.779 \| good	38.317 \| good	25.915 \| good	1.03 \| good	7.983 \| good	0.22 \| good
2026-08-14T03:00:00.000Z	49 \| good	8.974 \| good	39.88 \| good	23.973 \| good	0.867 \| good	7.339 \| good	0.209 \| good
2026-08-14T04:00:00.000Z	49 \| good	8.994 \| good	39.89 \| good	24.54 \| good	0.744 \| good	6.852 \| good	0.2 \| good
2026-08-14T05:00:00.000Z	49 \| good	9.078 \| good	40.616 \| good	26.498 \| good	0.685 \| good	6.977 \| good	0.197 \| good
2026-08-14T06:00:00.000Z	52 \| moderate	10.012 \| good	44.523 \| good	25.609 \| good	0.661 \| good	6.742 \| good	0.192 \| good
2026-08-14T07:00:00.000Z	54 \| moderate	10.636 \| good	47.074 \| good	21.166 \| good	0.681 \| good	5.943 \| good	0.182 \| good
2026-08-14T08:00:00.000Z	54 \| moderate	10.502 \| good	46.773 \| good	18.21 \| good	0.69 \| good	5.713 \| good	0.174 \| good
2026-08-14T09:00:00.000Z	54 \| moderate	11.051 \| good	49.129 \| good	12.826 \| good	0.723 \| good	5.136 \| good	0.166 \| good
2026-08-14T10:00:00.000Z	56 \| moderate	12.32 \| fine	55.271 \| fine	10.725 \| good	0.737 \| good	4.248 \| good	0.155 \| good
2026-08-14T11:00:00.000Z	56 \| moderate	12.164 \| fine	54.839 \| good	10.426 \| good	0.731 \| good	3.838 \| good	0.147 \| good
2026-08-14T12:00:00.000Z	56 \| moderate	11.953 \| good	53.848 \| good	13.971 \| good	0.707 \| good	3.523 \| good	0.147 \| good
2026-08-14T13:00:00.000Z	54 \| moderate	11.044 \| good	48.796 \| good	20.681 \| good	0.699 \| good	3.377 \| good	0.157 \| good
2026-08-14T14:00:00.000Z	56 \| moderate	12.024 \| good	53.407 \| good	27.416 \| good	0.743 \| good	3.182 \| good	0.174 \| good
2026-08-14T15:00:00.000Z	56 \| moderate	12.366 \| fine	55.825 \| fine	41.075 \| good	0.908 \| good	2.314 \| good	0.176 \| good
2026-08-14T16:00:00.000Z	54 \| moderate	11.179 \| good	49.526 \| good	53.854 \| good	1.161 \| good	1.757 \| good	0.174 \| good
2026-08-14T17:00:00.000Z	56 \| moderate	11.572 \| good	51.669 \| good	56.084 \| fine	1.358 \| good	1.45 \| good	0.173 \| good
2026-08-14T18:00:00.000Z	58 \| moderate	12.662 \| fine	57.11 \| fine	55.614 \| fine	1.489 \| good	1.31 \| good	0.174 \| good
2026-08-14T19:00:00.000Z	52 \| moderate	10.325 \| good	45.637 \| good	53.63 \| good	1.552 \| good	1.247 \| good	0.176 \| good
2026-08-14T20:00:00.000Z	52 \| moderate	9.756 \| good	43.351 \| good	51.184 \| good	1.559 \| good	1.259 \| good	0.176 \| good
2026-08-14T21:00:00.000Z	52 \| moderate	10.186 \| good	45.184 \| good	46.027 \| good	1.542 \| good	1.299 \| good	0.176 \| good

Live 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?

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

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

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

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?