What is the PM10 level in Belvidere, Illinois at the moment?

The PM10 concentration in Belvidere, Illinois is 88.124 μg/m3 at the moment.

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

Currently, Belvidere, Illinois has a sulfur dioxide (SO2) concentration of 0.597 ppb.

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

The current ozone (O3) level in Belvidere, Illinois at the moment is 21.6 ppm.

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

Nitrogen dioxide (NO2) level in Belvidere, Illinois at the moment is 5.63 ppb.

Live air quality index in Belvidere, Illinois today

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

Stay updated with real-time air quality in Belvidere, 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

Belvidere, Illinois

Last updated: ... (Local time)

Major air pollutants in Belvidere, Illinois

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.67 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.77 μg/m³

155

255

425

605+

Ozone (O₃)

15.88 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Belvidere, Illinois

Get Live Pollen Counts

Belvidere, Illinois

Scroll To Air Quality Map

Track live Belvidere, Illinois air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T12:00:00.000Z	56 \| moderate	11.786 \| good	60.254 \| fine	9.288 \| good	0.654 \| good	8.962 \| good	0.238 \| good
2025-09-04T13:00:00.000Z	16 \| good	3.191 \| good	13.874 \| good	16.116 \| good	0.303 \| good	3.499 \| good	0.199 \| good
2025-09-04T14:00:00.000Z	44 \| good	7.58 \| good	34.815 \| good	12.147 \| good	0.718 \| good	8.013 \| good	0.244 \| good
2025-09-04T15:00:00.000Z	44 \| good	8.105 \| good	40.439 \| good	14.377 \| good	0.955 \| good	5.541 \| good	0.202 \| good
2025-09-04T16:00:00.000Z	44 \| good	7.828 \| good	32.033 \| good	15.892 \| good	0.711 \| good	4.818 \| good	0.202 \| good
2025-09-04T17:00:00.000Z	44 \| good	7.856 \| good	33.748 \| good	19.685 \| good	0.698 \| good	5.07 \| good	0.23 \| good
2025-09-04T18:00:00.000Z	49 \| good	8.761 \| good	34.618 \| good	23.097 \| good	0.64 \| good	4.887 \| good	0.23 \| good
2025-09-04T19:00:00.000Z	44 \| good	8.442 \| good	48.384 \| good	25.452 \| good	0.666 \| good	4.206 \| good	0.215 \| good
2025-09-04T20:00:00.000Z	49 \| good	8.724 \| good	43.545 \| good	30.53 \| good	0.605 \| good	4.065 \| good	0.26 \| good
2025-09-04T21:00:00.000Z	49 \| good	8.812 \| good	45.212 \| good	30.259 \| good	0.597 \| good	4.134 \| good	0.232 \| good
2025-09-04T22:00:00.000Z	49 \| good	8.632 \| good	34.107 \| good	31.329 \| good	0.69 \| good	4.18 \| good	0.26 \| good
2025-09-04T23:00:00.000Z	49 \| good	8.588 \| good	44.357 \| good	34.365 \| good	0.739 \| good	3.97 \| good	0.26 \| good
2025-09-05T00:00:00.000Z	49 \| good	8.741 \| good	32.871 \| good	34.621 \| good	0.874 \| good	6.323 \| good	0.289 \| good
2025-09-05T01:00:00.000Z	52 \| moderate	10.288 \| good	43.582 \| good	26.336 \| good	0.973 \| good	8.348 \| good	0.289 \| good
2025-09-05T02:00:00.000Z	49 \| good	9.213 \| good	36.875 \| good	29.928 \| good	1.068 \| good	9.728 \| good	0.255 \| good
2025-09-05T03:00:00.000Z	54 \| moderate	10.894 \| good	38.993 \| good	29.2 \| good	1.136 \| good	7.811 \| good	0.228 \| good
2025-09-05T04:00:00.000Z	54 \| moderate	11.391 \| good	41.022 \| good	25.71 \| good	0.928 \| good	6.175 \| good	0.188 \| good
2025-09-05T05:00:00.000Z	58 \| moderate	13.098 \| fine	63.4 \| fine	26.921 \| good	0.77 \| good	4.539 \| good	0.188 \| good
2025-09-05T06:00:00.000Z	56 \| moderate	12.425 \| fine	60.833 \| fine	23.739 \| good	0.796 \| good	3.628 \| good	0.188 \| good
2025-09-05T07:00:00.000Z	55 \| moderate	10.412 \| good	63.08 \| fine	27.785 \| good	0.731 \| good	2.9 \| good	0.215 \| good
2025-09-05T08:00:00.000Z	60 \| moderate	14.339 \| fine	54.771 \| good	24.098 \| good	0.776 \| good	2.218 \| good	0.185 \| good
2025-09-05T09:00:00.000Z	66 \| moderate	17.148 \| fine	72.735 \| fine	28.322 \| good	0.701 \| good	2.581 \| good	0.215 \| good
2025-09-05T10:00:00.000Z	62 \| moderate	15.245 \| fine	58.917 \| fine	21.637 \| good	0.641 \| good	2.776 \| good	0.215 \| good
2025-09-05T11:00:00.000Z	64 \| moderate	16.144 \| fine	51.069 \| good	24.327 \| good	0.637 \| good	2.807 \| good	0.215 \| good
2025-09-05T12:00:00.000Z	58 \| moderate	12.74 \| fine	60.516 \| fine	24.598 \| good	0.621 \| good	4 \| good	0.228 \| good
2025-09-05T13:00:00.000Z	62 \| moderate	14.558 \| fine	63.215 \| fine	26.304 \| good	0.64 \| good	4.09 \| good	0.228 \| good
2025-09-05T14:00:00.000Z	56 \| moderate	11.764 \| good	51.077 \| good	24.548 \| good	0.67 \| good	4.51 \| good	0.216 \| good
2025-09-05T15:00:00.000Z	27 \| good	4.759 \| good	24.193 \| good	23.601 \| good	0.789 \| good	3.946 \| good	0.213 \| good
2025-09-05T16:00:00.000Z	19 \| good	3.478 \| good	11.358 \| good	20.559 \| good	0.556 \| good	4.617 \| good	0.202 \| good
2025-09-05T17:00:00.000Z	20 \| good	2.571 \| good	7.89 \| good	21.982 \| good	0.518 \| good	4.342 \| good	0.202 \| good
2025-09-05T18:00:00.000Z	21 \| good	2.454 \| good	8.141 \| good	23.305 \| good	0.508 \| good	3.496 \| good	0.188 \| good
2025-09-05T19:00:00.000Z	23 \| good	2.813 \| good	8.863 \| good	24.558 \| good	0.511 \| good	3.656 \| good	0.17 \| good
2025-09-05T20:00:00.000Z	25 \| good	2.682 \| good	10.308 \| good	27.128 \| good	0.533 \| good	3.131 \| good	0.17 \| good
2025-09-05T21:00:00.000Z	25 \| good	1.958 \| good	11.549 \| good	27.324 \| good	0.533 \| good	3.248 \| good	0.17 \| good
2025-09-05T22:00:00.000Z	26 \| good	1.716 \| good	13.693 \| good	27.614 \| good	0.55 \| good	3.304 \| good	0.17 \| good
2025-09-05T23:00:00.000Z	30 \| good	1.775 \| good	8.6 \| good	31.796 \| good	0.508 \| good	3.224 \| good	0.17 \| good
2025-09-06T00:00:00.000Z	27 \| good	2.067 \| good	12.461 \| good	28.593 \| good	0.508 \| good	3.626 \| good	0.17 \| good
2025-09-06T01:00:00.000Z	24 \| good	2.591 \| good	10.095 \| good	26.107 \| good	0.564 \| good	4.552 \| good	0.17 \| good
2025-09-06T02:00:00.000Z	23 \| good	2.738 \| good	19.22 \| good	25.273 \| good	0.529 \| good	6.275 \| good	0.188 \| good
2025-09-06T03:00:00.000Z	25 \| good	3.114 \| good	16.702 \| good	27.094 \| good	0.541 \| good	8.041 \| good	0.198 \| good
2025-09-06T04:00:00.000Z	23 \| good	2.947 \| good	13.668 \| good	24.999 \| good	0.457 \| good	7.747 \| good	0.18 \| good
2025-09-06T05:00:00.000Z	21 \| good	3.157 \| good	12.673 \| good	22.665 \| good	2.517 \| good	6.876 \| good	0.14 \| good
2025-09-06T06:00:00.000Z	22 \| good	3.156 \| good	13.295 \| good	24.191 \| good	1.607 \| good	6.172 \| good	0.14 \| good
2025-09-06T07:00:00.000Z	20 \| good	3.077 \| good	13.435 \| good	21.704 \| good	0.469 \| good	6.736 \| good	0.14 \| good
2025-09-06T08:00:00.000Z	17 \| good	3.08 \| good	12.484 \| good	18.202 \| good	0.43 \| good	5.938 \| good	0.14 \| good
2025-09-06T09:00:00.000Z	16 \| good	2.919 \| good	12.352 \| good	15.653 \| good	0.473 \| good	4.568 \| good	0.14 \| good
2025-09-06T10:00:00.000Z	18 \| good	2.673 \| good	18.768 \| good	15.882 \| good	0.474 \| good	4.202 \| good	0.14 \| good
2025-09-06T11:00:00.000Z	16 \| good	3.452 \| good	11.18 \| good	15.046 \| good	0.505 \| good	3.487 \| good	0.14 \| good
2025-09-06T11:00:00.000Z	18 \| good	2.673 \| good	18.768 \| good	15.882 \| good	0.474 \| good	4.202 \| good	0.14 \| good
2025-09-04T05:00:00.000Z	9 \| good	0.636 \| good	2.032 \| good	9.877 \| good	0.211 \| good	4.163 \| good	0.205 \| good
2025-09-04T06:00:00.000Z	9 \| good	1.321 \| good	5.311 \| good	10.043 \| good	0.22 \| good	4.106 \| good	0.208 \| good
2025-09-04T07:00:00.000Z	8 \| good	1.292 \| good	5.072 \| good	8.775 \| good	0.235 \| good	4.051 \| good	0.209 \| good
2025-09-04T08:00:00.000Z	11 \| good	1.843 \| good	7.754 \| good	7.64 \| good	0.25 \| good	3.997 \| good	0.21 \| good
2025-09-04T09:00:00.000Z	11 \| good	2.466 \| good	9.769 \| good	6.305 \| good	0.266 \| good	3.942 \| good	0.211 \| good
2025-09-04T10:00:00.000Z	27 \| good	4.984 \| good	21.353 \| good	7.161 \| good	0.28 \| good	3.983 \| good	0.212 \| good
2025-09-04T11:00:00.000Z	16 \| good	3.312 \| good	14.371 \| good	4.937 \| good	0.294 \| good	4.023 \| good	0.214 \| good
2025-09-04T12:00:00.000Z	27 \| good	4.705 \| good	20.104 \| good	6.137 \| good	0.308 \| good	4.064 \| good	0.216 \| good
2025-09-04T13:00:00.000Z	22 \| good	3.535 \| good	15.515 \| good	15.889 \| good	0.282 \| good	3.122 \| good	0.212 \| good
2025-09-04T14:00:00.000Z	27 \| good	4.503 \| good	19.108 \| good	24.433 \| good	0.256 \| good	2.181 \| good	0.208 \| good
2025-09-04T15:00:00.000Z	28 \| good	1.762 \| good	7.184 \| good	30.238 \| good	0.23 \| good	1.239 \| good	0.204 \| good
2025-09-04T16:00:00.000Z	29 \| good	1.523 \| good	6.437 \| good	31.488 \| good	0.187 \| good	0.989 \| good	0.2 \| good
2025-09-04T17:00:00.000Z	31 \| good	1.23 \| good	4.959 \| good	33.293 \| good	0.144 \| good	0.739 \| good	0.196 \| good
2025-09-04T18:00:00.000Z	31 \| good	1.26 \| good	5.192 \| good	33.989 \| good	0.1 \| good	0.488 \| good	0.191 \| good
2025-09-04T19:00:00.000Z	34 \| good	1.227 \| good	4.842 \| good	36.744 \| good	0.103 \| good	0.522 \| good	0.192 \| good
2025-09-04T20:00:00.000Z	33 \| good	1.126 \| good	4.677 \| good	36.34 \| good	0.105 \| good	0.556 \| good	0.193 \| good
2025-09-04T21:00:00.000Z	31 \| good	1.685 \| good	6.705 \| good	33.599 \| good	0.107 \| good	0.589 \| good	0.194 \| good
2025-09-04T22:00:00.000Z	31 \| good	4.245 \| good	18.636 \| good	32.503 \| good	0.129 \| good	1.358 \| good	0.2 \| good
2025-09-04T23:00:00.000Z	30 \| good	2.383 \| good	9.793 \| good	32.043 \| good	0.151 \| good	2.127 \| good	0.205 \| good
2025-09-05T00:00:00.000Z	27 \| good	1.62 \| good	6.771 \| good	29.49 \| good	0.173 \| good	2.896 \| good	0.211 \| good
2025-09-05T01:00:00.000Z	23 \| good	1.3 \| good	5.176 \| good	24.981 \| good	0.211 \| good	3.437 \| good	0.212 \| good
2025-09-05T02:00:00.000Z	25 \| good	0.594 \| good	2.163 \| good	27.109 \| good	0.25 \| good	3.977 \| good	0.214 \| good
2025-09-05T03:00:00.000Z	26 \| good	1.363 \| good	5.613 \| good	27.645 \| good	0.288 \| good	4.518 \| good	0.216 \| good
2025-09-05T04:00:00.000Z	38 \| good	7.475 \| good	32.571 \| good	26.116 \| good	0.32 \| good	3.915 \| good	0.209 \| good
2025-09-05T05:00:00.000Z	56 \| moderate	12.313 \| fine	55.201 \| fine	24.945 \| good	0.353 \| good	3.313 \| good	0.203 \| good
2025-09-05T06:00:00.000Z	44 \| good	8.319 \| good	36.523 \| good	24.74 \| good	0.386 \| good	2.711 \| good	0.196 \| good
2025-09-05T07:00:00.000Z	44 \| good	8.159 \| good	35.749 \| good	26.891 \| good	0.345 \| good	2.406 \| good	0.195 \| good
2025-09-05T08:00:00.000Z	27 \| good	5.059 \| good	21.703 \| good	28.915 \| good	0.304 \| good	2.1 \| good	0.193 \| good
2025-09-05T09:00:00.000Z	25 \| good	1.199 \| good	4.619 \| good	27.371 \| good	0.264 \| good	1.795 \| good	0.191 \| good
2025-09-05T10:00:00.000Z	22 \| good	3.902 \| good	17.238 \| good	23.387 \| good	0.218 \| good	1.711 \| good	0.19 \| good
2025-09-05T11:00:00.000Z	19 \| good	1.28 \| good	5 \| good	20.214 \| good	0.172 \| good	1.627 \| good	0.188 \| good
2025-09-05T12:00:00.000Z	19 \| good	2.481 \| good	9.684 \| good	20.378 \| good	0.127 \| good	1.542 \| good	0.186 \| good
2025-09-05T13:00:00.000Z	19 \| good	1.241 \| good	4.811 \| good	21.051 \| good	0.133 \| good	1.366 \| good	0.182 \| good
2025-09-05T14:00:00.000Z	21 \| good	1.89 \| good	7.857 \| good	23.026 \| good	0.139 \| good	1.189 \| good	0.179 \| good
2025-09-05T15:00:00.000Z	22 \| good	1.211 \| good	4.669 \| good	23.621 \| good	0.145 \| good	1.013 \| good	0.175 \| good
2025-09-05T16:00:00.000Z	24 \| good	0.705 \| good	2.446 \| good	26.467 \| good	0.138 \| good	0.844 \| good	0.171 \| good
2025-09-05T17:00:00.000Z	23 \| good	0.641 \| good	2 \| good	24.792 \| good	0.13 \| good	0.676 \| good	0.167 \| good
2025-09-05T18:00:00.000Z	22 \| good	0.485 \| good	2 \| good	24.31 \| good	0.123 \| good	0.507 \| good	0.163 \| good
2025-09-05T19:00:00.000Z	23 \| good	0.78 \| good	2.873 \| good	25.015 \| good	0.111 \| good	0.505 \| good	0.156 \| good
2025-09-05T20:00:00.000Z	23 \| good	0.375 \| good	1.616 \| good	25.182 \| good	0.1 \| good	0.503 \| good	0.149 \| good
2025-09-05T21:00:00.000Z	26 \| good	0.187 \| good	0.262 \| good	27.915 \| good	0.089 \| good	0.501 \| good	0.142 \| good
2025-09-05T22:00:00.000Z	24 \| good	0.447 \| good	1.856 \| good	26.456 \| good	0.089 \| good	0.865 \| good	0.138 \| good
2025-09-05T23:00:00.000Z	24 \| good	0.334 \| good	1.328 \| good	26.184 \| good	0.09 \| good	1.23 \| good	0.134 \| good
2025-09-06T00:00:00.000Z	34 \| good	1.855 \| good	1.893 \| good	36.701 \| good	0.092 \| good	1.592 \| good	0.13 \| good
2025-09-06T01:00:00.000Z	21 \| good	1.32 \| good	5 \| good	23.35 \| good	0.11 \| good	2.366 \| good	0.135 \| good
2025-09-06T02:00:00.000Z	19 \| good	1.424 \| good	5.873 \| good	21.16 \| good	0.129 \| good	3.138 \| good	0.139 \| good
2025-09-06T03:00:00.000Z	19 \| good	0.719 \| good	2.652 \| good	20.195 \| good	0.148 \| good	3.91 \| good	0.144 \| good
2025-09-06T04:00:00.000Z	17 \| good	0.391 \| good	1.311 \| good	18.168 \| good	0.163 \| good	4.841 \| good	0.15 \| good

Belvidere

Get reliable air quality data to drive your business

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

0.24ppm

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 Belvidere, Illinois?

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

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

In the past 24 hours, the air quality in Belvidere, Illinois was at its worst at 03:00:00 on 2025-09-04.

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

In the last 24 hours, the best air quality in Belvidere, Illinois was observed at 04:00:00 on 2025-09-03.

What is the AQI in Belvidere, Illinois right now?

As of now, the AQI in Belvidere, Illinois is 67, indicating Moderate conditions.

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

Belvidere, Illinois air has the highest levels of PM10.

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

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

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

PM_2.5 levels in Belvidere, Illinois are currently 18.446 μg/m³.

What is the PM₁₀ level in Belvidere, Illinois at the moment?

The PM₁₀ concentration in Belvidere, Illinois is 88.124 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Belvidere, Illinois is 0.232 ppm.

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

Currently, Belvidere, Illinois has a sulfur dioxide (SO₂) concentration of 0.597 ppb.

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

The current ozone (O₃) level in Belvidere, Illinois at the moment is 21.6 ppm.

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

Nitrogen dioxide (NO₂) level in Belvidere, Illinois at the moment is 5.63 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T12:00:00.000Z	56 \| moderate	11.786 \| good	60.254 \| fine	9.288 \| good	0.654 \| good	8.962 \| good	0.238 \| good
2025-09-04T13:00:00.000Z	16 \| good	3.191 \| good	13.874 \| good	16.116 \| good	0.303 \| good	3.499 \| good	0.199 \| good
2025-09-04T14:00:00.000Z	44 \| good	7.58 \| good	34.815 \| good	12.147 \| good	0.718 \| good	8.013 \| good	0.244 \| good
2025-09-04T15:00:00.000Z	44 \| good	8.105 \| good	40.439 \| good	14.377 \| good	0.955 \| good	5.541 \| good	0.202 \| good
2025-09-04T16:00:00.000Z	44 \| good	7.828 \| good	32.033 \| good	15.892 \| good	0.711 \| good	4.818 \| good	0.202 \| good
2025-09-04T17:00:00.000Z	44 \| good	7.856 \| good	33.748 \| good	19.685 \| good	0.698 \| good	5.07 \| good	0.23 \| good
2025-09-04T18:00:00.000Z	49 \| good	8.761 \| good	34.618 \| good	23.097 \| good	0.64 \| good	4.887 \| good	0.23 \| good
2025-09-04T19:00:00.000Z	44 \| good	8.442 \| good	48.384 \| good	25.452 \| good	0.666 \| good	4.206 \| good	0.215 \| good
2025-09-04T20:00:00.000Z	49 \| good	8.724 \| good	43.545 \| good	30.53 \| good	0.605 \| good	4.065 \| good	0.26 \| good
2025-09-04T21:00:00.000Z	49 \| good	8.812 \| good	45.212 \| good	30.259 \| good	0.597 \| good	4.134 \| good	0.232 \| good
2025-09-04T22:00:00.000Z	49 \| good	8.632 \| good	34.107 \| good	31.329 \| good	0.69 \| good	4.18 \| good	0.26 \| good
2025-09-04T23:00:00.000Z	49 \| good	8.588 \| good	44.357 \| good	34.365 \| good	0.739 \| good	3.97 \| good	0.26 \| good
2025-09-05T00:00:00.000Z	49 \| good	8.741 \| good	32.871 \| good	34.621 \| good	0.874 \| good	6.323 \| good	0.289 \| good
2025-09-05T01:00:00.000Z	52 \| moderate	10.288 \| good	43.582 \| good	26.336 \| good	0.973 \| good	8.348 \| good	0.289 \| good
2025-09-05T02:00:00.000Z	49 \| good	9.213 \| good	36.875 \| good	29.928 \| good	1.068 \| good	9.728 \| good	0.255 \| good
2025-09-05T03:00:00.000Z	54 \| moderate	10.894 \| good	38.993 \| good	29.2 \| good	1.136 \| good	7.811 \| good	0.228 \| good
2025-09-05T04:00:00.000Z	54 \| moderate	11.391 \| good	41.022 \| good	25.71 \| good	0.928 \| good	6.175 \| good	0.188 \| good
2025-09-05T05:00:00.000Z	58 \| moderate	13.098 \| fine	63.4 \| fine	26.921 \| good	0.77 \| good	4.539 \| good	0.188 \| good
2025-09-05T06:00:00.000Z	56 \| moderate	12.425 \| fine	60.833 \| fine	23.739 \| good	0.796 \| good	3.628 \| good	0.188 \| good
2025-09-05T07:00:00.000Z	55 \| moderate	10.412 \| good	63.08 \| fine	27.785 \| good	0.731 \| good	2.9 \| good	0.215 \| good
2025-09-05T08:00:00.000Z	60 \| moderate	14.339 \| fine	54.771 \| good	24.098 \| good	0.776 \| good	2.218 \| good	0.185 \| good
2025-09-05T09:00:00.000Z	66 \| moderate	17.148 \| fine	72.735 \| fine	28.322 \| good	0.701 \| good	2.581 \| good	0.215 \| good
2025-09-05T10:00:00.000Z	62 \| moderate	15.245 \| fine	58.917 \| fine	21.637 \| good	0.641 \| good	2.776 \| good	0.215 \| good
2025-09-05T11:00:00.000Z	64 \| moderate	16.144 \| fine	51.069 \| good	24.327 \| good	0.637 \| good	2.807 \| good	0.215 \| good
2025-09-05T12:00:00.000Z	58 \| moderate	12.74 \| fine	60.516 \| fine	24.598 \| good	0.621 \| good	4 \| good	0.228 \| good
2025-09-05T13:00:00.000Z	62 \| moderate	14.558 \| fine	63.215 \| fine	26.304 \| good	0.64 \| good	4.09 \| good	0.228 \| good
2025-09-05T14:00:00.000Z	56 \| moderate	11.764 \| good	51.077 \| good	24.548 \| good	0.67 \| good	4.51 \| good	0.216 \| good
2025-09-05T15:00:00.000Z	27 \| good	4.759 \| good	24.193 \| good	23.601 \| good	0.789 \| good	3.946 \| good	0.213 \| good
2025-09-05T16:00:00.000Z	19 \| good	3.478 \| good	11.358 \| good	20.559 \| good	0.556 \| good	4.617 \| good	0.202 \| good
2025-09-05T17:00:00.000Z	20 \| good	2.571 \| good	7.89 \| good	21.982 \| good	0.518 \| good	4.342 \| good	0.202 \| good
2025-09-05T18:00:00.000Z	21 \| good	2.454 \| good	8.141 \| good	23.305 \| good	0.508 \| good	3.496 \| good	0.188 \| good
2025-09-05T19:00:00.000Z	23 \| good	2.813 \| good	8.863 \| good	24.558 \| good	0.511 \| good	3.656 \| good	0.17 \| good
2025-09-05T20:00:00.000Z	25 \| good	2.682 \| good	10.308 \| good	27.128 \| good	0.533 \| good	3.131 \| good	0.17 \| good
2025-09-05T21:00:00.000Z	25 \| good	1.958 \| good	11.549 \| good	27.324 \| good	0.533 \| good	3.248 \| good	0.17 \| good
2025-09-05T22:00:00.000Z	26 \| good	1.716 \| good	13.693 \| good	27.614 \| good	0.55 \| good	3.304 \| good	0.17 \| good
2025-09-05T23:00:00.000Z	30 \| good	1.775 \| good	8.6 \| good	31.796 \| good	0.508 \| good	3.224 \| good	0.17 \| good
2025-09-06T00:00:00.000Z	27 \| good	2.067 \| good	12.461 \| good	28.593 \| good	0.508 \| good	3.626 \| good	0.17 \| good
2025-09-06T01:00:00.000Z	24 \| good	2.591 \| good	10.095 \| good	26.107 \| good	0.564 \| good	4.552 \| good	0.17 \| good
2025-09-06T02:00:00.000Z	23 \| good	2.738 \| good	19.22 \| good	25.273 \| good	0.529 \| good	6.275 \| good	0.188 \| good
2025-09-06T03:00:00.000Z	25 \| good	3.114 \| good	16.702 \| good	27.094 \| good	0.541 \| good	8.041 \| good	0.198 \| good
2025-09-06T04:00:00.000Z	23 \| good	2.947 \| good	13.668 \| good	24.999 \| good	0.457 \| good	7.747 \| good	0.18 \| good
2025-09-06T05:00:00.000Z	21 \| good	3.157 \| good	12.673 \| good	22.665 \| good	2.517 \| good	6.876 \| good	0.14 \| good
2025-09-06T06:00:00.000Z	22 \| good	3.156 \| good	13.295 \| good	24.191 \| good	1.607 \| good	6.172 \| good	0.14 \| good
2025-09-06T07:00:00.000Z	20 \| good	3.077 \| good	13.435 \| good	21.704 \| good	0.469 \| good	6.736 \| good	0.14 \| good
2025-09-06T08:00:00.000Z	17 \| good	3.08 \| good	12.484 \| good	18.202 \| good	0.43 \| good	5.938 \| good	0.14 \| good
2025-09-06T09:00:00.000Z	16 \| good	2.919 \| good	12.352 \| good	15.653 \| good	0.473 \| good	4.568 \| good	0.14 \| good
2025-09-06T10:00:00.000Z	18 \| good	2.673 \| good	18.768 \| good	15.882 \| good	0.474 \| good	4.202 \| good	0.14 \| good
2025-09-06T11:00:00.000Z	16 \| good	3.452 \| good	11.18 \| good	15.046 \| good	0.505 \| good	3.487 \| good	0.14 \| good
2025-09-06T11:00:00.000Z	18 \| good	2.673 \| good	18.768 \| good	15.882 \| good	0.474 \| good	4.202 \| good	0.14 \| good
2025-09-04T05:00:00.000Z	9 \| good	0.636 \| good	2.032 \| good	9.877 \| good	0.211 \| good	4.163 \| good	0.205 \| good
2025-09-04T06:00:00.000Z	9 \| good	1.321 \| good	5.311 \| good	10.043 \| good	0.22 \| good	4.106 \| good	0.208 \| good
2025-09-04T07:00:00.000Z	8 \| good	1.292 \| good	5.072 \| good	8.775 \| good	0.235 \| good	4.051 \| good	0.209 \| good
2025-09-04T08:00:00.000Z	11 \| good	1.843 \| good	7.754 \| good	7.64 \| good	0.25 \| good	3.997 \| good	0.21 \| good
2025-09-04T09:00:00.000Z	11 \| good	2.466 \| good	9.769 \| good	6.305 \| good	0.266 \| good	3.942 \| good	0.211 \| good
2025-09-04T10:00:00.000Z	27 \| good	4.984 \| good	21.353 \| good	7.161 \| good	0.28 \| good	3.983 \| good	0.212 \| good
2025-09-04T11:00:00.000Z	16 \| good	3.312 \| good	14.371 \| good	4.937 \| good	0.294 \| good	4.023 \| good	0.214 \| good
2025-09-04T12:00:00.000Z	27 \| good	4.705 \| good	20.104 \| good	6.137 \| good	0.308 \| good	4.064 \| good	0.216 \| good
2025-09-04T13:00:00.000Z	22 \| good	3.535 \| good	15.515 \| good	15.889 \| good	0.282 \| good	3.122 \| good	0.212 \| good
2025-09-04T14:00:00.000Z	27 \| good	4.503 \| good	19.108 \| good	24.433 \| good	0.256 \| good	2.181 \| good	0.208 \| good
2025-09-04T15:00:00.000Z	28 \| good	1.762 \| good	7.184 \| good	30.238 \| good	0.23 \| good	1.239 \| good	0.204 \| good
2025-09-04T16:00:00.000Z	29 \| good	1.523 \| good	6.437 \| good	31.488 \| good	0.187 \| good	0.989 \| good	0.2 \| good
2025-09-04T17:00:00.000Z	31 \| good	1.23 \| good	4.959 \| good	33.293 \| good	0.144 \| good	0.739 \| good	0.196 \| good
2025-09-04T18:00:00.000Z	31 \| good	1.26 \| good	5.192 \| good	33.989 \| good	0.1 \| good	0.488 \| good	0.191 \| good
2025-09-04T19:00:00.000Z	34 \| good	1.227 \| good	4.842 \| good	36.744 \| good	0.103 \| good	0.522 \| good	0.192 \| good
2025-09-04T20:00:00.000Z	33 \| good	1.126 \| good	4.677 \| good	36.34 \| good	0.105 \| good	0.556 \| good	0.193 \| good
2025-09-04T21:00:00.000Z	31 \| good	1.685 \| good	6.705 \| good	33.599 \| good	0.107 \| good	0.589 \| good	0.194 \| good
2025-09-04T22:00:00.000Z	31 \| good	4.245 \| good	18.636 \| good	32.503 \| good	0.129 \| good	1.358 \| good	0.2 \| good
2025-09-04T23:00:00.000Z	30 \| good	2.383 \| good	9.793 \| good	32.043 \| good	0.151 \| good	2.127 \| good	0.205 \| good
2025-09-05T00:00:00.000Z	27 \| good	1.62 \| good	6.771 \| good	29.49 \| good	0.173 \| good	2.896 \| good	0.211 \| good
2025-09-05T01:00:00.000Z	23 \| good	1.3 \| good	5.176 \| good	24.981 \| good	0.211 \| good	3.437 \| good	0.212 \| good
2025-09-05T02:00:00.000Z	25 \| good	0.594 \| good	2.163 \| good	27.109 \| good	0.25 \| good	3.977 \| good	0.214 \| good
2025-09-05T03:00:00.000Z	26 \| good	1.363 \| good	5.613 \| good	27.645 \| good	0.288 \| good	4.518 \| good	0.216 \| good
2025-09-05T04:00:00.000Z	38 \| good	7.475 \| good	32.571 \| good	26.116 \| good	0.32 \| good	3.915 \| good	0.209 \| good
2025-09-05T05:00:00.000Z	56 \| moderate	12.313 \| fine	55.201 \| fine	24.945 \| good	0.353 \| good	3.313 \| good	0.203 \| good
2025-09-05T06:00:00.000Z	44 \| good	8.319 \| good	36.523 \| good	24.74 \| good	0.386 \| good	2.711 \| good	0.196 \| good
2025-09-05T07:00:00.000Z	44 \| good	8.159 \| good	35.749 \| good	26.891 \| good	0.345 \| good	2.406 \| good	0.195 \| good
2025-09-05T08:00:00.000Z	27 \| good	5.059 \| good	21.703 \| good	28.915 \| good	0.304 \| good	2.1 \| good	0.193 \| good
2025-09-05T09:00:00.000Z	25 \| good	1.199 \| good	4.619 \| good	27.371 \| good	0.264 \| good	1.795 \| good	0.191 \| good
2025-09-05T10:00:00.000Z	22 \| good	3.902 \| good	17.238 \| good	23.387 \| good	0.218 \| good	1.711 \| good	0.19 \| good
2025-09-05T11:00:00.000Z	19 \| good	1.28 \| good	5 \| good	20.214 \| good	0.172 \| good	1.627 \| good	0.188 \| good
2025-09-05T12:00:00.000Z	19 \| good	2.481 \| good	9.684 \| good	20.378 \| good	0.127 \| good	1.542 \| good	0.186 \| good
2025-09-05T13:00:00.000Z	19 \| good	1.241 \| good	4.811 \| good	21.051 \| good	0.133 \| good	1.366 \| good	0.182 \| good
2025-09-05T14:00:00.000Z	21 \| good	1.89 \| good	7.857 \| good	23.026 \| good	0.139 \| good	1.189 \| good	0.179 \| good
2025-09-05T15:00:00.000Z	22 \| good	1.211 \| good	4.669 \| good	23.621 \| good	0.145 \| good	1.013 \| good	0.175 \| good
2025-09-05T16:00:00.000Z	24 \| good	0.705 \| good	2.446 \| good	26.467 \| good	0.138 \| good	0.844 \| good	0.171 \| good
2025-09-05T17:00:00.000Z	23 \| good	0.641 \| good	2 \| good	24.792 \| good	0.13 \| good	0.676 \| good	0.167 \| good
2025-09-05T18:00:00.000Z	22 \| good	0.485 \| good	2 \| good	24.31 \| good	0.123 \| good	0.507 \| good	0.163 \| good
2025-09-05T19:00:00.000Z	23 \| good	0.78 \| good	2.873 \| good	25.015 \| good	0.111 \| good	0.505 \| good	0.156 \| good
2025-09-05T20:00:00.000Z	23 \| good	0.375 \| good	1.616 \| good	25.182 \| good	0.1 \| good	0.503 \| good	0.149 \| good
2025-09-05T21:00:00.000Z	26 \| good	0.187 \| good	0.262 \| good	27.915 \| good	0.089 \| good	0.501 \| good	0.142 \| good
2025-09-05T22:00:00.000Z	24 \| good	0.447 \| good	1.856 \| good	26.456 \| good	0.089 \| good	0.865 \| good	0.138 \| good
2025-09-05T23:00:00.000Z	24 \| good	0.334 \| good	1.328 \| good	26.184 \| good	0.09 \| good	1.23 \| good	0.134 \| good
2025-09-06T00:00:00.000Z	34 \| good	1.855 \| good	1.893 \| good	36.701 \| good	0.092 \| good	1.592 \| good	0.13 \| good
2025-09-06T01:00:00.000Z	21 \| good	1.32 \| good	5 \| good	23.35 \| good	0.11 \| good	2.366 \| good	0.135 \| good
2025-09-06T02:00:00.000Z	19 \| good	1.424 \| good	5.873 \| good	21.16 \| good	0.129 \| good	3.138 \| good	0.139 \| good
2025-09-06T03:00:00.000Z	19 \| good	0.719 \| good	2.652 \| good	20.195 \| good	0.148 \| good	3.91 \| good	0.144 \| good
2025-09-06T04:00:00.000Z	17 \| good	0.391 \| good	1.311 \| good	18.168 \| good	0.163 \| good	4.841 \| good	0.15 \| good

Live air quality index in Belvidere, Illinois today

Major air pollutants in Belvidere, Illinois

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

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Frequently asked questions

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

What is the PM₁₀ level in Belvidere, Illinois at the moment?

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

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

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