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 0.722 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 11.439 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 33.751 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 10.084 μg/m3.

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

The PM10 concentration in Granite City, Illinois is 43.345 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)

10.08 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

43.34 μg/m³

155

255

425

605+

Ozone (O₃)

11.44 ppb

201

201+

Sulfur Dioxide (SO₂)

0.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

33.75 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.56 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
2026-01-21T06:00:00.000Z	62 \| moderate	15.3 \| fine	69 \| fine	27.284 \| good	0.848 \| good	8.262 \| good	0.235 \| good
2026-01-21T07:00:00.000Z	62 \| moderate	15.3 \| fine	69 \| fine	28.142 \| good	0.847 \| good	8.187 \| good	0.233 \| good
2026-01-21T08:00:00.000Z	69 \| moderate	18.9 \| fine	83 \| fine	26.165 \| good	0.871 \| good	8.121 \| good	0.227 \| good
2026-01-21T09:00:00.000Z	69 \| moderate	18.6 \| fine	83 \| fine	26.993 \| good	1.034 \| good	8.048 \| good	0.202 \| good
2026-01-21T10:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	27.587 \| good	1.438 \| good	7.533 \| good	0.202 \| good
2026-01-21T11:00:00.000Z	56 \| moderate	12.3 \| fine	55 \| fine	25.43 \| good	1.313 \| good	8.197 \| good	0.202 \| good
2026-01-21T12:00:00.000Z	56 \| moderate	11.8 \| good	52 \| good	24.638 \| good	1.643 \| good	8.388 \| good	0.198 \| good
2026-01-21T13:00:00.000Z	56 \| moderate	11.8 \| good	52 \| good	23.785 \| good	1.452 \| good	12.25 \| good	0.225 \| good
2026-01-21T14:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	23.356 \| good	1.469 \| good	13.784 \| good	0.357 \| good
2026-01-21T15:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	23.619 \| good	1.587 \| good	12.25 \| good	0.32 \| good
2026-01-21T16:00:00.000Z	67 \| moderate	17.9 \| fine	79 \| fine	27.947 \| good	1.995 \| good	7.594 \| good	0.224 \| good
2026-01-21T17:00:00.000Z	67 \| moderate	17.8 \| fine	79 \| fine	27.041 \| good	0.925 \| good	6.546 \| good	0.225 \| good
2026-01-21T18:00:00.000Z	66 \| moderate	17.2 \| fine	77 \| fine	30.299 \| good	1.076 \| good	5.272 \| good	0.224 \| good
2026-01-21T19:00:00.000Z	62 \| moderate	14.8 \| fine	67 \| fine	32.48 \| good	3.871 \| good	4.147 \| good	0.224 \| good
2026-01-21T20:00:00.000Z	56 \| moderate	11.5 \| good	51 \| good	33.324 \| good	0.513 \| good	4.054 \| good	0.224 \| good
2026-01-21T21:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	32.208 \| good	0.339 \| good	3.761 \| good	0.196 \| good
2026-01-21T22:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	32.308 \| good	0.366 \| good	4.89 \| good	0.198 \| good
2026-01-21T23:00:00.000Z	44 \| good	7.9 \| good	35 \| good	31.472 \| good	0.42 \| good	5.161 \| good	0.225 \| good
2026-01-22T00:00:00.000Z	38 \| good	6.9 \| good	31 \| good	30.392 \| good	1.588 \| good	7.416 \| good	0.225 \| good
2026-01-22T01:00:00.000Z	38 \| good	7 \| good	31 \| good	27.733 \| good	2.675 \| good	12.135 \| good	0.318 \| good
2026-01-22T02:00:00.000Z	38 \| good	6.9 \| good	31 \| good	29.436 \| good	0.938 \| good	12.087 \| good	0.251 \| good
2026-01-22T03:00:00.000Z	38 \| good	7.1 \| good	32 \| good	24.909 \| good	0.699 \| good	10.75 \| good	0.225 \| good
2026-01-22T04:00:00.000Z	38 \| good	6.7 \| good	30 \| good	27.906 \| good	1.085 \| good	6.482 \| good	0.198 \| good
2026-01-22T05:00:00.000Z	38 \| good	6.5 \| good	29 \| good	28.95 \| good	0.214 \| good	3.778 \| good	0.107 \| good
2026-01-22T06:00:00.000Z	27 \| good	5.3 \| good	23 \| good	28.72 \| good	0.201 \| good	3.396 \| good	0.104 \| good
2026-01-22T07:00:00.000Z	27 \| good	5.3 \| good	23 \| good	27.728 \| good	0.199 \| good	3.362 \| good	0.107 \| good
2026-01-22T08:00:00.000Z	26 \| good	4.4 \| good	19 \| good	28.375 \| good	0.201 \| good	3.268 \| good	0.107 \| good
2026-01-22T09:00:00.000Z	28 \| good	3.2 \| good	14 \| good	29.947 \| good	0.219 \| good	3.144 \| good	0.102 \| good
2026-01-22T10:00:00.000Z	27 \| good	3.2 \| good	14 \| good	29.283 \| good	0.199 \| good	4.94 \| good	0.102 \| good
2026-01-22T11:00:00.000Z	29 \| good	3.9 \| good	17 \| good	31.293 \| good	0.303 \| good	6.764 \| good	0.1 \| good
2026-01-22T12:00:00.000Z	24 \| good	4.4 \| good	19 \| good	25.751 \| good	0.432 \| good	12.125 \| good	0.222 \| good
2026-01-22T13:00:00.000Z	22 \| good	4.4 \| good	19 \| good	22.85 \| good	0.396 \| good	14.873 \| good	0.263 \| good
2026-01-22T14:00:00.000Z	38 \| good	6.9 \| good	31 \| good	20.029 \| good	0.487 \| good	19.016 \| good	0.446 \| good
2026-01-22T15:00:00.000Z	44 \| good	7.6 \| good	34 \| good	21.266 \| good	0.629 \| good	18.82 \| good	0.375 \| good
2026-01-22T16:00:00.000Z	38 \| good	7 \| good	31 \| good	21.269 \| good	0.631 \| good	14.34 \| good	0.318 \| good
2026-01-22T17:00:00.000Z	38 \| good	6.7 \| good	30 \| good	23.514 \| good	0.35 \| good	13.706 \| good	0.29 \| good
2026-01-22T18:00:00.000Z	33 \| good	6 \| good	27 \| good	26.817 \| good	0.395 \| good	11.233 \| good	0.196 \| good
2026-01-22T19:00:00.000Z	28 \| good	4.8 \| good	21 \| good	30.275 \| good	0.265 \| good	8.049 \| good	0.196 \| good
2026-01-22T20:00:00.000Z	29 \| good	4 \| good	18 \| good	31.307 \| good	0.249 \| good	5.508 \| good	0.196 \| good
2026-01-22T21:00:00.000Z	30 \| good	4 \| good	18 \| good	32.332 \| good	0.185 \| good	5.454 \| good	0.196 \| good
2026-01-22T22:00:00.000Z	30 \| good	3.8 \| good	17 \| good	32.178 \| good	0.203 \| good	6.391 \| good	0.196 \| good
2026-01-22T23:00:00.000Z	30 \| good	3.8 \| good	17 \| good	31.647 \| good	0.303 \| good	7.819 \| good	0.198 \| good
2026-01-23T00:00:00.000Z	25 \| good	4.3 \| good	19 \| good	26.528 \| good	0.339 \| good	16.396 \| good	0.265 \| good
2026-01-23T01:00:00.000Z	27 \| good	5.4 \| good	23 \| good	25.26 \| good	0.573 \| good	22.898 \| good	0.296 \| good
2026-01-23T02:00:00.000Z	33 \| good	6.1 \| good	27 \| good	20.656 \| good	0.662 \| good	27.662 \| good	0.366 \| good
2026-01-23T03:00:00.000Z	52 \| moderate	9.5 \| good	43 \| good	12.825 \| good	0.677 \| good	30.773 \| good	0.365 \| good
2026-01-23T04:00:00.000Z	54 \| moderate	10.9 \| good	48 \| good	11.368 \| good	0.757 \| good	34.159 \| good	0.553 \| good
2026-01-23T05:00:00.000Z	52 \| moderate	10.084 \| good	43.345 \| good	11.439 \| good	0.722 \| good	33.751 \| good	0.561 \| good
2026-01-23T06:00:00.000Z	38 \| good	6.644 \| good	29.722 \| good	23.134 \| good	0.915 \| good	9.99 \| good	0.228 \| good
2026-01-23T07:00:00.000Z	33 \| good	6.158 \| good	27.425 \| good	24.847 \| good	0.75 \| good	7.066 \| good	0.2 \| good
2026-01-23T08:00:00.000Z	33 \| good	6.068 \| good	27.041 \| good	25.694 \| good	0.584 \| good	4.142 \| good	0.172 \| good
2026-01-23T09:00:00.000Z	33 \| good	6.303 \| good	28.101 \| good	26.489 \| good	0.419 \| good	1.218 \| good	0.144 \| good
2026-01-23T10:00:00.000Z	27 \| good	5.391 \| good	23.275 \| good	25.911 \| good	0.397 \| good	1.203 \| good	0.142 \| good
2026-01-23T11:00:00.000Z	27 \| good	4.558 \| good	19.875 \| good	25.113 \| good	0.375 \| good	1.189 \| good	0.14 \| good
2026-01-23T12:00:00.000Z	22 \| good	4.279 \| good	18.527 \| good	24.014 \| good	0.354 \| good	1.174 \| good	0.137 \| good
2026-01-23T13:00:00.000Z	27 \| good	4.714 \| good	20.52 \| good	24.584 \| good	0.371 \| good	1.329 \| good	0.14 \| good
2026-01-23T14:00:00.000Z	27 \| good	5.169 \| good	22.443 \| good	23.895 \| good	0.389 \| good	1.484 \| good	0.143 \| good
2026-01-23T15:00:00.000Z	22 \| good	4.112 \| good	17.966 \| good	23.09 \| good	0.407 \| good	1.638 \| good	0.147 \| good
2026-01-23T16:00:00.000Z	19 \| good	3.065 \| good	12.899 \| good	21.124 \| good	0.457 \| good	1.576 \| good	0.146 \| good
2026-01-23T17:00:00.000Z	20 \| good	2.923 \| good	12.049 \| good	21.683 \| good	0.507 \| good	1.513 \| good	0.146 \| good
2026-01-23T18:00:00.000Z	27 \| good	4.598 \| good	20.048 \| good	23.775 \| good	0.557 \| good	1.45 \| good	0.146 \| good
2026-01-23T19:00:00.000Z	33 \| good	6.311 \| good	27.955 \| good	24.764 \| good	0.61 \| good	1.65 \| good	0.147 \| good
2026-01-23T20:00:00.000Z	38 \| good	7.102 \| good	31.282 \| good	25.022 \| good	0.663 \| good	1.849 \| good	0.148 \| good
2026-01-23T21:00:00.000Z	38 \| good	7.328 \| good	32.04 \| good	25.43 \| good	0.716 \| good	2.049 \| good	0.148 \| good
2026-01-23T22:00:00.000Z	22 \| good	3.977 \| good	17.169 \| good	24.006 \| good	0.751 \| good	2.758 \| good	0.15 \| good
2026-01-23T23:00:00.000Z	21 \| good	2.827 \| good	12.162 \| good	23.462 \| good	0.786 \| good	3.468 \| good	0.152 \| good
2026-01-24T00:00:00.000Z	19 \| good	1.61 \| good	6.694 \| good	21.344 \| good	0.82 \| good	4.178 \| good	0.154 \| good
2026-01-24T01:00:00.000Z	19 \| good	2.405 \| good	9.96 \| good	20.684 \| good	0.82 \| good	4.048 \| good	0.154 \| good
2026-01-24T02:00:00.000Z	18 \| good	3.268 \| good	14.424 \| good	18.993 \| good	0.821 \| good	3.917 \| good	0.153 \| good
2026-01-24T03:00:00.000Z	27 \| good	5.284 \| good	22.746 \| good	18.995 \| good	0.821 \| good	3.787 \| good	0.152 \| good
2026-01-24T04:00:00.000Z	27 \| good	4.609 \| good	20.227 \| good	19.838 \| good	0.755 \| good	3.466 \| good	0.152 \| good
2026-01-24T05:00:00.000Z	22 \| good	4.346 \| good	19.117 \| good	19.538 \| good	0.689 \| good	3.145 \| good	0.151 \| good
2026-01-24T06:00:00.000Z	22 \| good	4.338 \| good	19.083 \| good	19.431 \| good	0.623 \| good	2.824 \| good	0.151 \| good
2026-01-24T07:00:00.000Z	27 \| good	5.234 \| good	22.432 \| good	20.557 \| good	0.569 \| good	2.607 \| good	0.15 \| good
2026-01-24T08:00:00.000Z	27 \| good	4.629 \| good	20.047 \| good	21.922 \| good	0.515 \| good	2.389 \| good	0.149 \| good
2026-01-24T09:00:00.000Z	22 \| good	3.587 \| good	15.458 \| good	22.03 \| good	0.461 \| good	2.172 \| good	0.149 \| good
2026-01-24T10:00:00.000Z	21 \| good	3.434 \| good	14.757 \| good	23.456 \| good	0.504 \| good	2.26 \| good	0.15 \| good
2026-01-24T11:00:00.000Z	22 \| good	3.948 \| good	17.305 \| good	23.074 \| good	0.547 \| good	2.349 \| good	0.151 \| good
2026-01-24T12:00:00.000Z	33 \| good	5.686 \| good	24.426 \| good	21.424 \| good	0.59 \| good	2.438 \| good	0.152 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.825 \| good	34.291 \| good	20.397 \| good	0.68 \| good	2.953 \| good	0.158 \| good
2026-01-24T14:00:00.000Z	49 \| good	8.933 \| good	39.298 \| good	20 \| good	0.771 \| good	3.468 \| good	0.164 \| good
2026-01-24T15:00:00.000Z	44 \| good	7.912 \| good	34.634 \| good	20.921 \| good	0.862 \| good	3.984 \| good	0.17 \| good
2026-01-24T16:00:00.000Z	33 \| good	6.034 \| good	26.662 \| good	22.544 \| good	0.919 \| good	3.757 \| good	0.172 \| good
2026-01-24T17:00:00.000Z	22 \| good	4.312 \| good	18.948 \| good	22.957 \| good	0.977 \| good	3.531 \| good	0.173 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.071 \| good	27.096 \| good	24.136 \| good	1.035 \| good	3.304 \| good	0.175 \| good
2026-01-24T19:00:00.000Z	38 \| good	7.166 \| good	31.62 \| good	23.563 \| good	1.025 \| good	3.759 \| good	0.177 \| good
2026-01-24T20:00:00.000Z	44 \| good	7.934 \| good	35.169 \| good	24.376 \| good	1.015 \| good	4.213 \| good	0.179 \| good
2026-01-24T21:00:00.000Z	44 \| good	8.377 \| good	37.097 \| good	26.292 \| good	1.005 \| good	4.667 \| good	0.181 \| good
2026-01-24T22:00:00.000Z	33 \| good	5.625 \| good	24.711 \| good	25.738 \| good	0.895 \| good	5.383 \| good	0.183 \| good
2026-01-24T23:00:00.000Z	22 \| good	4.043 \| good	17.698 \| good	24.121 \| good	0.785 \| good	6.1 \| good	0.184 \| good
2026-01-25T00:00:00.000Z	38 \| good	7.015 \| good	7.309 \| good	25.461 \| good	0.676 \| good	6.731 \| good	0.185 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.591 \| good	19.961 \| good	22.533 \| good	0.64 \| good	6.484 \| good	0.184 \| good
2026-01-25T02:00:00.000Z	38 \| good	6.908 \| good	30.632 \| good	19.103 \| good	0.605 \| good	6.152 \| good	0.181 \| good
2026-01-25T03:00:00.000Z	52 \| moderate	9.513 \| good	42.189 \| good	18.615 \| good	0.571 \| good	5.821 \| good	0.179 \| good
2026-01-25T04:00:00.000Z	44 \| good	8.395 \| good	36.857 \| good	18.705 \| good	0.547 \| good	5.421 \| good	0.178 \| good
2026-01-25T05:00:00.000Z	44 \| good	7.948 \| good	34.771 \| good	18.607 \| good	0.523 \| good	5.021 \| 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

0.54ppm

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 04:00:00 on 2026-01-23.

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 01:00:00 on 2026-01-22.

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

As of now, the AQI in Granite City, Illinois is 52, 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 10.084 μg/m³.

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

The PM₁₀ concentration in Granite City, Illinois is 43.345 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 0.561 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 0.722 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 11.439 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 33.751 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	62 \| moderate	15.3 \| fine	69 \| fine	27.284 \| good	0.848 \| good	8.262 \| good	0.235 \| good
2026-01-21T07:00:00.000Z	62 \| moderate	15.3 \| fine	69 \| fine	28.142 \| good	0.847 \| good	8.187 \| good	0.233 \| good
2026-01-21T08:00:00.000Z	69 \| moderate	18.9 \| fine	83 \| fine	26.165 \| good	0.871 \| good	8.121 \| good	0.227 \| good
2026-01-21T09:00:00.000Z	69 \| moderate	18.6 \| fine	83 \| fine	26.993 \| good	1.034 \| good	8.048 \| good	0.202 \| good
2026-01-21T10:00:00.000Z	62 \| moderate	14.7 \| fine	65 \| fine	27.587 \| good	1.438 \| good	7.533 \| good	0.202 \| good
2026-01-21T11:00:00.000Z	56 \| moderate	12.3 \| fine	55 \| fine	25.43 \| good	1.313 \| good	8.197 \| good	0.202 \| good
2026-01-21T12:00:00.000Z	56 \| moderate	11.8 \| good	52 \| good	24.638 \| good	1.643 \| good	8.388 \| good	0.198 \| good
2026-01-21T13:00:00.000Z	56 \| moderate	11.8 \| good	52 \| good	23.785 \| good	1.452 \| good	12.25 \| good	0.225 \| good
2026-01-21T14:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	23.356 \| good	1.469 \| good	13.784 \| good	0.357 \| good
2026-01-21T15:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	23.619 \| good	1.587 \| good	12.25 \| good	0.32 \| good
2026-01-21T16:00:00.000Z	67 \| moderate	17.9 \| fine	79 \| fine	27.947 \| good	1.995 \| good	7.594 \| good	0.224 \| good
2026-01-21T17:00:00.000Z	67 \| moderate	17.8 \| fine	79 \| fine	27.041 \| good	0.925 \| good	6.546 \| good	0.225 \| good
2026-01-21T18:00:00.000Z	66 \| moderate	17.2 \| fine	77 \| fine	30.299 \| good	1.076 \| good	5.272 \| good	0.224 \| good
2026-01-21T19:00:00.000Z	62 \| moderate	14.8 \| fine	67 \| fine	32.48 \| good	3.871 \| good	4.147 \| good	0.224 \| good
2026-01-21T20:00:00.000Z	56 \| moderate	11.5 \| good	51 \| good	33.324 \| good	0.513 \| good	4.054 \| good	0.224 \| good
2026-01-21T21:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	32.208 \| good	0.339 \| good	3.761 \| good	0.196 \| good
2026-01-21T22:00:00.000Z	52 \| moderate	9.7 \| good	43 \| good	32.308 \| good	0.366 \| good	4.89 \| good	0.198 \| good
2026-01-21T23:00:00.000Z	44 \| good	7.9 \| good	35 \| good	31.472 \| good	0.42 \| good	5.161 \| good	0.225 \| good
2026-01-22T00:00:00.000Z	38 \| good	6.9 \| good	31 \| good	30.392 \| good	1.588 \| good	7.416 \| good	0.225 \| good
2026-01-22T01:00:00.000Z	38 \| good	7 \| good	31 \| good	27.733 \| good	2.675 \| good	12.135 \| good	0.318 \| good
2026-01-22T02:00:00.000Z	38 \| good	6.9 \| good	31 \| good	29.436 \| good	0.938 \| good	12.087 \| good	0.251 \| good
2026-01-22T03:00:00.000Z	38 \| good	7.1 \| good	32 \| good	24.909 \| good	0.699 \| good	10.75 \| good	0.225 \| good
2026-01-22T04:00:00.000Z	38 \| good	6.7 \| good	30 \| good	27.906 \| good	1.085 \| good	6.482 \| good	0.198 \| good
2026-01-22T05:00:00.000Z	38 \| good	6.5 \| good	29 \| good	28.95 \| good	0.214 \| good	3.778 \| good	0.107 \| good
2026-01-22T06:00:00.000Z	27 \| good	5.3 \| good	23 \| good	28.72 \| good	0.201 \| good	3.396 \| good	0.104 \| good
2026-01-22T07:00:00.000Z	27 \| good	5.3 \| good	23 \| good	27.728 \| good	0.199 \| good	3.362 \| good	0.107 \| good
2026-01-22T08:00:00.000Z	26 \| good	4.4 \| good	19 \| good	28.375 \| good	0.201 \| good	3.268 \| good	0.107 \| good
2026-01-22T09:00:00.000Z	28 \| good	3.2 \| good	14 \| good	29.947 \| good	0.219 \| good	3.144 \| good	0.102 \| good
2026-01-22T10:00:00.000Z	27 \| good	3.2 \| good	14 \| good	29.283 \| good	0.199 \| good	4.94 \| good	0.102 \| good
2026-01-22T11:00:00.000Z	29 \| good	3.9 \| good	17 \| good	31.293 \| good	0.303 \| good	6.764 \| good	0.1 \| good
2026-01-22T12:00:00.000Z	24 \| good	4.4 \| good	19 \| good	25.751 \| good	0.432 \| good	12.125 \| good	0.222 \| good
2026-01-22T13:00:00.000Z	22 \| good	4.4 \| good	19 \| good	22.85 \| good	0.396 \| good	14.873 \| good	0.263 \| good
2026-01-22T14:00:00.000Z	38 \| good	6.9 \| good	31 \| good	20.029 \| good	0.487 \| good	19.016 \| good	0.446 \| good
2026-01-22T15:00:00.000Z	44 \| good	7.6 \| good	34 \| good	21.266 \| good	0.629 \| good	18.82 \| good	0.375 \| good
2026-01-22T16:00:00.000Z	38 \| good	7 \| good	31 \| good	21.269 \| good	0.631 \| good	14.34 \| good	0.318 \| good
2026-01-22T17:00:00.000Z	38 \| good	6.7 \| good	30 \| good	23.514 \| good	0.35 \| good	13.706 \| good	0.29 \| good
2026-01-22T18:00:00.000Z	33 \| good	6 \| good	27 \| good	26.817 \| good	0.395 \| good	11.233 \| good	0.196 \| good
2026-01-22T19:00:00.000Z	28 \| good	4.8 \| good	21 \| good	30.275 \| good	0.265 \| good	8.049 \| good	0.196 \| good
2026-01-22T20:00:00.000Z	29 \| good	4 \| good	18 \| good	31.307 \| good	0.249 \| good	5.508 \| good	0.196 \| good
2026-01-22T21:00:00.000Z	30 \| good	4 \| good	18 \| good	32.332 \| good	0.185 \| good	5.454 \| good	0.196 \| good
2026-01-22T22:00:00.000Z	30 \| good	3.8 \| good	17 \| good	32.178 \| good	0.203 \| good	6.391 \| good	0.196 \| good
2026-01-22T23:00:00.000Z	30 \| good	3.8 \| good	17 \| good	31.647 \| good	0.303 \| good	7.819 \| good	0.198 \| good
2026-01-23T00:00:00.000Z	25 \| good	4.3 \| good	19 \| good	26.528 \| good	0.339 \| good	16.396 \| good	0.265 \| good
2026-01-23T01:00:00.000Z	27 \| good	5.4 \| good	23 \| good	25.26 \| good	0.573 \| good	22.898 \| good	0.296 \| good
2026-01-23T02:00:00.000Z	33 \| good	6.1 \| good	27 \| good	20.656 \| good	0.662 \| good	27.662 \| good	0.366 \| good
2026-01-23T03:00:00.000Z	52 \| moderate	9.5 \| good	43 \| good	12.825 \| good	0.677 \| good	30.773 \| good	0.365 \| good
2026-01-23T04:00:00.000Z	54 \| moderate	10.9 \| good	48 \| good	11.368 \| good	0.757 \| good	34.159 \| good	0.553 \| good
2026-01-23T05:00:00.000Z	52 \| moderate	10.084 \| good	43.345 \| good	11.439 \| good	0.722 \| good	33.751 \| good	0.561 \| good
2026-01-23T06:00:00.000Z	38 \| good	6.644 \| good	29.722 \| good	23.134 \| good	0.915 \| good	9.99 \| good	0.228 \| good
2026-01-23T07:00:00.000Z	33 \| good	6.158 \| good	27.425 \| good	24.847 \| good	0.75 \| good	7.066 \| good	0.2 \| good
2026-01-23T08:00:00.000Z	33 \| good	6.068 \| good	27.041 \| good	25.694 \| good	0.584 \| good	4.142 \| good	0.172 \| good
2026-01-23T09:00:00.000Z	33 \| good	6.303 \| good	28.101 \| good	26.489 \| good	0.419 \| good	1.218 \| good	0.144 \| good
2026-01-23T10:00:00.000Z	27 \| good	5.391 \| good	23.275 \| good	25.911 \| good	0.397 \| good	1.203 \| good	0.142 \| good
2026-01-23T11:00:00.000Z	27 \| good	4.558 \| good	19.875 \| good	25.113 \| good	0.375 \| good	1.189 \| good	0.14 \| good
2026-01-23T12:00:00.000Z	22 \| good	4.279 \| good	18.527 \| good	24.014 \| good	0.354 \| good	1.174 \| good	0.137 \| good
2026-01-23T13:00:00.000Z	27 \| good	4.714 \| good	20.52 \| good	24.584 \| good	0.371 \| good	1.329 \| good	0.14 \| good
2026-01-23T14:00:00.000Z	27 \| good	5.169 \| good	22.443 \| good	23.895 \| good	0.389 \| good	1.484 \| good	0.143 \| good
2026-01-23T15:00:00.000Z	22 \| good	4.112 \| good	17.966 \| good	23.09 \| good	0.407 \| good	1.638 \| good	0.147 \| good
2026-01-23T16:00:00.000Z	19 \| good	3.065 \| good	12.899 \| good	21.124 \| good	0.457 \| good	1.576 \| good	0.146 \| good
2026-01-23T17:00:00.000Z	20 \| good	2.923 \| good	12.049 \| good	21.683 \| good	0.507 \| good	1.513 \| good	0.146 \| good
2026-01-23T18:00:00.000Z	27 \| good	4.598 \| good	20.048 \| good	23.775 \| good	0.557 \| good	1.45 \| good	0.146 \| good
2026-01-23T19:00:00.000Z	33 \| good	6.311 \| good	27.955 \| good	24.764 \| good	0.61 \| good	1.65 \| good	0.147 \| good
2026-01-23T20:00:00.000Z	38 \| good	7.102 \| good	31.282 \| good	25.022 \| good	0.663 \| good	1.849 \| good	0.148 \| good
2026-01-23T21:00:00.000Z	38 \| good	7.328 \| good	32.04 \| good	25.43 \| good	0.716 \| good	2.049 \| good	0.148 \| good
2026-01-23T22:00:00.000Z	22 \| good	3.977 \| good	17.169 \| good	24.006 \| good	0.751 \| good	2.758 \| good	0.15 \| good
2026-01-23T23:00:00.000Z	21 \| good	2.827 \| good	12.162 \| good	23.462 \| good	0.786 \| good	3.468 \| good	0.152 \| good
2026-01-24T00:00:00.000Z	19 \| good	1.61 \| good	6.694 \| good	21.344 \| good	0.82 \| good	4.178 \| good	0.154 \| good
2026-01-24T01:00:00.000Z	19 \| good	2.405 \| good	9.96 \| good	20.684 \| good	0.82 \| good	4.048 \| good	0.154 \| good
2026-01-24T02:00:00.000Z	18 \| good	3.268 \| good	14.424 \| good	18.993 \| good	0.821 \| good	3.917 \| good	0.153 \| good
2026-01-24T03:00:00.000Z	27 \| good	5.284 \| good	22.746 \| good	18.995 \| good	0.821 \| good	3.787 \| good	0.152 \| good
2026-01-24T04:00:00.000Z	27 \| good	4.609 \| good	20.227 \| good	19.838 \| good	0.755 \| good	3.466 \| good	0.152 \| good
2026-01-24T05:00:00.000Z	22 \| good	4.346 \| good	19.117 \| good	19.538 \| good	0.689 \| good	3.145 \| good	0.151 \| good
2026-01-24T06:00:00.000Z	22 \| good	4.338 \| good	19.083 \| good	19.431 \| good	0.623 \| good	2.824 \| good	0.151 \| good
2026-01-24T07:00:00.000Z	27 \| good	5.234 \| good	22.432 \| good	20.557 \| good	0.569 \| good	2.607 \| good	0.15 \| good
2026-01-24T08:00:00.000Z	27 \| good	4.629 \| good	20.047 \| good	21.922 \| good	0.515 \| good	2.389 \| good	0.149 \| good
2026-01-24T09:00:00.000Z	22 \| good	3.587 \| good	15.458 \| good	22.03 \| good	0.461 \| good	2.172 \| good	0.149 \| good
2026-01-24T10:00:00.000Z	21 \| good	3.434 \| good	14.757 \| good	23.456 \| good	0.504 \| good	2.26 \| good	0.15 \| good
2026-01-24T11:00:00.000Z	22 \| good	3.948 \| good	17.305 \| good	23.074 \| good	0.547 \| good	2.349 \| good	0.151 \| good
2026-01-24T12:00:00.000Z	33 \| good	5.686 \| good	24.426 \| good	21.424 \| good	0.59 \| good	2.438 \| good	0.152 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.825 \| good	34.291 \| good	20.397 \| good	0.68 \| good	2.953 \| good	0.158 \| good
2026-01-24T14:00:00.000Z	49 \| good	8.933 \| good	39.298 \| good	20 \| good	0.771 \| good	3.468 \| good	0.164 \| good
2026-01-24T15:00:00.000Z	44 \| good	7.912 \| good	34.634 \| good	20.921 \| good	0.862 \| good	3.984 \| good	0.17 \| good
2026-01-24T16:00:00.000Z	33 \| good	6.034 \| good	26.662 \| good	22.544 \| good	0.919 \| good	3.757 \| good	0.172 \| good
2026-01-24T17:00:00.000Z	22 \| good	4.312 \| good	18.948 \| good	22.957 \| good	0.977 \| good	3.531 \| good	0.173 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.071 \| good	27.096 \| good	24.136 \| good	1.035 \| good	3.304 \| good	0.175 \| good
2026-01-24T19:00:00.000Z	38 \| good	7.166 \| good	31.62 \| good	23.563 \| good	1.025 \| good	3.759 \| good	0.177 \| good
2026-01-24T20:00:00.000Z	44 \| good	7.934 \| good	35.169 \| good	24.376 \| good	1.015 \| good	4.213 \| good	0.179 \| good
2026-01-24T21:00:00.000Z	44 \| good	8.377 \| good	37.097 \| good	26.292 \| good	1.005 \| good	4.667 \| good	0.181 \| good
2026-01-24T22:00:00.000Z	33 \| good	5.625 \| good	24.711 \| good	25.738 \| good	0.895 \| good	5.383 \| good	0.183 \| good
2026-01-24T23:00:00.000Z	22 \| good	4.043 \| good	17.698 \| good	24.121 \| good	0.785 \| good	6.1 \| good	0.184 \| good
2026-01-25T00:00:00.000Z	38 \| good	7.015 \| good	7.309 \| good	25.461 \| good	0.676 \| good	6.731 \| good	0.185 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.591 \| good	19.961 \| good	22.533 \| good	0.64 \| good	6.484 \| good	0.184 \| good
2026-01-25T02:00:00.000Z	38 \| good	6.908 \| good	30.632 \| good	19.103 \| good	0.605 \| good	6.152 \| good	0.181 \| good
2026-01-25T03:00:00.000Z	52 \| moderate	9.513 \| good	42.189 \| good	18.615 \| good	0.571 \| good	5.821 \| good	0.179 \| good
2026-01-25T04:00:00.000Z	44 \| good	8.395 \| good	36.857 \| good	18.705 \| good	0.547 \| good	5.421 \| good	0.178 \| good
2026-01-25T05:00:00.000Z	44 \| good	7.948 \| good	34.771 \| good	18.607 \| good	0.523 \| good	5.021 \| 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)

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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

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Frequently asked questions

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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?