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

The PM10 concentration in Belvidere, Illinois is 30.285 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 0.423 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 23.968 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 5.112 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)

Moderate

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)

25.65 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

110.69 μg/m³

155

255

425

605+

Ozone (O₃)

28.59 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.85 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-07-20T16:00:00.000Z	27 \| good	4.378 \| good	19.231 \| good	28.653 \| good	0.303 \| good	1.666 \| good	0.201 \| good
2025-07-20T17:00:00.000Z	28 \| good	4.913 \| good	20.595 \| good	30.081 \| good	0.339 \| good	1.93 \| good	0.191 \| good
2025-07-20T18:00:00.000Z	30 \| good	4.56 \| good	15.765 \| good	31.937 \| good	0.349 \| good	1.822 \| good	0.202 \| good
2025-07-20T19:00:00.000Z	33 \| good	5.579 \| good	24.738 \| good	32.092 \| good	0.379 \| good	2.105 \| good	0.202 \| good
2025-07-20T20:00:00.000Z	33 \| good	5.652 \| good	18.564 \| good	34.178 \| good	0.439 \| good	1.643 \| good	0.18 \| good
2025-07-20T21:00:00.000Z	33 \| good	5.768 \| good	15.343 \| good	34.146 \| good	0.506 \| good	1.4 \| good	0.18 \| good
2025-07-20T22:00:00.000Z	29 \| good	5.384 \| good	16.706 \| good	30.667 \| good	0.425 \| good	1.338 \| good	0.138 \| good
2025-07-20T23:00:00.000Z	29 \| good	5.011 \| good	19.54 \| good	30.748 \| good	0.427 \| good	1.948 \| good	0.183 \| good
2025-07-21T00:00:00.000Z	33 \| good	5.695 \| good	20.675 \| good	35.259 \| good	0.407 \| good	1.982 \| good	0.248 \| good
2025-07-21T01:00:00.000Z	31 \| good	5.41 \| good	23.534 \| good	33.977 \| good	0.43 \| good	2.408 \| good	0.258 \| good
2025-07-21T02:00:00.000Z	38 \| good	6.518 \| good	22.964 \| good	34.208 \| good	0.439 \| good	6.249 \| good	0.258 \| good
2025-07-21T03:00:00.000Z	38 \| good	7.285 \| good	28.937 \| good	33.501 \| good	0.407 \| good	4.547 \| good	0.269 \| good
2025-07-21T04:00:00.000Z	73 \| moderate	20.531 \| fine	61.986 \| fine	34.071 \| good	0.328 \| good	3.347 \| good	0.269 \| good
2025-07-21T05:00:00.000Z	90 \| moderate	29.912 \| fine	87.49 \| fine	29.925 \| good	0.413 \| good	2.986 \| good	0.279 \| good
2025-07-21T06:00:00.000Z	66 \| moderate	17.473 \| fine	68.613 \| fine	29.246 \| good	0.429 \| good	2.82 \| good	0.252 \| good
2025-07-21T07:00:00.000Z	99 \| moderate	34.892 \| fine	127.421 \| fine	30.692 \| good	0.501 \| good	2.895 \| good	0.241 \| good
2025-07-21T08:00:00.000Z	90 \| moderate	29.556 \| fine	85.222 \| fine	30.042 \| good	0.423 \| good	3.603 \| good	0.221 \| good
2025-07-21T09:00:00.000Z	102 \| sensitive	35.854 \| moderate	144.708 \| fine	24.745 \| good	0.399 \| good	3.795 \| good	0.214 \| good
2025-07-21T10:00:00.000Z	129 \| sensitive	46.831 \| moderate	151.574 \| fine	29.499 \| good	0.445 \| good	8.447 \| good	0.214 \| good
2025-07-21T11:00:00.000Z	115 \| sensitive	41.409 \| moderate	89.328 \| fine	28.508 \| good	0.646 \| good	5.574 \| good	0.176 \| good
2025-07-21T12:00:00.000Z	94 \| moderate	31.572 \| fine	67.058 \| fine	23.36 \| good	0.855 \| good	7.32 \| good	0.176 \| good
2025-07-21T13:00:00.000Z	142 \| sensitive	52.088 \| moderate	125.974 \| fine	28.285 \| good	0.916 \| good	5.766 \| good	0.184 \| good
2025-07-21T14:00:00.000Z	132 \| sensitive	47.83 \| moderate	156.644 \| moderate	30.521 \| good	0.911 \| good	3.094 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	144 \| sensitive	53.003 \| moderate	232.443 \| moderate	22.423 \| good	1.643 \| good	3.042 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	117 \| sensitive	42.43 \| moderate	141.911 \| fine	30.601 \| good	1.663 \| good	1.906 \| good	0.138 \| good
2025-07-21T17:00:00.000Z	110 \| sensitive	38.519 \| moderate	156.006 \| moderate	34.473 \| good	0.974 \| good	1.542 \| good	0.138 \| good
2025-07-21T18:00:00.000Z	88 \| moderate	28.522 \| fine	90.87 \| fine	40.406 \| good	0.843 \| good	1.853 \| good	0.16 \| good
2025-07-21T19:00:00.000Z	88 \| moderate	29.175 \| fine	95.049 \| fine	44.562 \| good	0.984 \| good	2.04 \| good	0.205 \| good
2025-07-21T20:00:00.000Z	92 \| moderate	31.376 \| fine	129.153 \| fine	49.26 \| good	0.747 \| good	1.568 \| good	0.194 \| good
2025-07-21T21:00:00.000Z	84 \| moderate	25.153 \| fine	121.162 \| fine	51.29 \| good	1.3 \| good	1.74 \| good	0.217 \| good
2025-07-21T22:00:00.000Z	79 \| moderate	23.931 \| fine	86.328 \| fine	48.532 \| good	1.388 \| good	1.957 \| good	0.25 \| good
2025-07-21T23:00:00.000Z	74 \| moderate	21.241 \| fine	101.731 \| fine	54.261 \| good	0.898 \| good	1.587 \| good	0.275 \| good
2025-07-22T00:00:00.000Z	75 \| moderate	22.147 \| fine	93.144 \| fine	36.944 \| good	0.899 \| good	1.9 \| good	0.303 \| good
2025-07-22T01:00:00.000Z	79 \| moderate	23.99 \| fine	83.344 \| fine	47.982 \| good	1.238 \| good	2.585 \| good	0.322 \| good
2025-07-22T02:00:00.000Z	79 \| moderate	22.359 \| fine	112.15 \| fine	42.324 \| good	1.074 \| good	3.439 \| good	0.305 \| good
2025-07-22T03:00:00.000Z	71 \| moderate	19.922 \| fine	87.796 \| fine	29.193 \| good	1.067 \| good	6.236 \| good	0.272 \| good
2025-07-22T04:00:00.000Z	79 \| moderate	23.538 \| fine	91.732 \| fine	37.246 \| good	0.45 \| good	5.734 \| good	0.213 \| good
2025-07-22T05:00:00.000Z	71 \| moderate	20.451 \| fine	83.253 \| fine	32.237 \| good	0.572 \| good	7.217 \| good	0.158 \| good
2025-07-22T06:00:00.000Z	79 \| moderate	23.622 \| fine	80.415 \| fine	34.298 \| good	0.681 \| good	8.671 \| good	0.157 \| good
2025-07-22T07:00:00.000Z	84 \| moderate	27.109 \| fine	113.254 \| fine	31.251 \| good	0.581 \| good	8.108 \| good	0.128 \| good
2025-07-22T08:00:00.000Z	88 \| moderate	26.407 \| fine	129.596 \| fine	24.542 \| good	0.474 \| good	11.476 \| good	0.128 \| good
2025-07-22T09:00:00.000Z	86 \| moderate	28.367 \| fine	122.12 \| fine	23.988 \| good	0.298 \| good	10.743 \| good	0.118 \| good
2025-07-22T10:00:00.000Z	73 \| moderate	20.71 \| fine	70.8 \| fine	21.656 \| good	0.337 \| good	8.734 \| good	0.128 \| good
2025-07-22T11:00:00.000Z	67 \| moderate	18.419 \| fine	77.827 \| fine	22.467 \| good	0.499 \| good	8.906 \| good	0.173 \| good
2025-07-22T12:00:00.000Z	81 \| moderate	24.553 \| fine	83.631 \| fine	18.945 \| good	0.551 \| good	7.403 \| good	0.173 \| good
2025-07-22T13:00:00.000Z	90 \| moderate	29.646 \| fine	134.471 \| fine	20.39 \| good	0.423 \| good	7.263 \| good	0.173 \| good
2025-07-22T14:00:00.000Z	81 \| moderate	24.511 \| fine	85.613 \| fine	21.77 \| good	0.806 \| good	4.609 \| good	0.181 \| good
2025-07-22T15:00:00.000Z	82 \| moderate	25.649 \| fine	110.687 \| fine	28.588 \| good	0.93 \| good	4.848 \| good	0.212 \| good
2025-07-22T15:00:00.000Z	82 \| moderate	25.649 \| fine	110.687 \| fine	28.588 \| good	0.93 \| good	4.848 \| good	0.212 \| good
2025-07-18T04:00:00.000Z	52 \| moderate	10.064 \| good	44.774 \| good	20.304 \| good	0.521 \| good	6.09 \| good	0.168 \| good
2025-07-18T05:00:00.000Z	49 \| good	9.404 \| good	41.652 \| good	18.451 \| good	0.571 \| good	6.323 \| good	0.166 \| good
2025-07-18T06:00:00.000Z	44 \| good	8.221 \| good	36.251 \| good	17.559 \| good	0.622 \| good	6.556 \| good	0.164 \| good
2025-07-18T07:00:00.000Z	38 \| good	7.445 \| good	32.5 \| good	16.447 \| good	0.594 \| good	6.493 \| good	0.159 \| good
2025-07-18T08:00:00.000Z	38 \| good	6.872 \| good	30.11 \| good	15.053 \| good	0.566 \| good	6.431 \| good	0.155 \| good
2025-07-18T09:00:00.000Z	33 \| good	5.868 \| good	25.7 \| good	13.534 \| good	0.537 \| good	6.368 \| good	0.15 \| good
2025-07-18T10:00:00.000Z	33 \| good	5.768 \| good	24.879 \| good	13.075 \| good	0.519 \| good	5.77 \| good	0.149 \| good
2025-07-18T11:00:00.000Z	27 \| good	5.039 \| good	21.502 \| good	10.697 \| good	0.5 \| good	5.172 \| good	0.148 \| good
2025-07-18T12:00:00.000Z	27 \| good	4.528 \| good	19.314 \| good	12.815 \| good	0.481 \| good	4.574 \| good	0.146 \| good
2025-07-18T13:00:00.000Z	27 \| good	5.309 \| good	22.907 \| good	18.708 \| good	0.566 \| good	3.626 \| good	0.144 \| good
2025-07-18T14:00:00.000Z	44 \| good	7.51 \| good	33.177 \| good	25.255 \| good	0.652 \| good	2.678 \| good	0.142 \| good
2025-07-18T15:00:00.000Z	52 \| moderate	9.85 \| good	44.009 \| good	33.326 \| good	0.737 \| good	1.73 \| good	0.139 \| good
2025-07-18T16:00:00.000Z	56 \| moderate	12.35 \| fine	55.947 \| fine	39.142 \| good	0.737 \| good	1.442 \| good	0.14 \| good
2025-07-18T17:00:00.000Z	60 \| moderate	13.878 \| fine	62.711 \| fine	44.241 \| good	0.737 \| good	1.153 \| good	0.14 \| good
2025-07-18T18:00:00.000Z	58 \| moderate	12.695 \| fine	57.01 \| fine	49.348 \| good	0.737 \| good	0.865 \| good	0.141 \| good
2025-07-18T19:00:00.000Z	54 \| moderate	10.684 \| good	47.348 \| good	47.976 \| good	0.729 \| good	0.933 \| good	0.142 \| good
2025-07-18T20:00:00.000Z	44 \| good	8.328 \| good	36.663 \| good	45.665 \| good	0.721 \| good	1.001 \| good	0.143 \| good
2025-07-18T21:00:00.000Z	44 \| good	7.967 \| good	34.647 \| good	41.76 \| good	0.714 \| good	1.069 \| good	0.145 \| good
2025-07-18T22:00:00.000Z	52 \| moderate	9.923 \| good	44.157 \| good	43.039 \| good	0.713 \| good	2.181 \| good	0.156 \| good
2025-07-18T23:00:00.000Z	39 \| good	6.873 \| good	30.574 \| good	42.214 \| good	0.713 \| good	3.294 \| good	0.167 \| good
2025-07-19T00:00:00.000Z	54 \| moderate	11.102 \| good	49.394 \| good	41.159 \| good	0.713 \| good	4.406 \| good	0.178 \| good
2025-07-19T01:00:00.000Z	52 \| moderate	10.494 \| good	46.452 \| good	42.792 \| good	0.849 \| good	6.456 \| good	0.196 \| good
2025-07-19T02:00:00.000Z	58 \| moderate	12.922 \| fine	57.91 \| fine	36.68 \| good	0.985 \| good	8.506 \| good	0.213 \| good
2025-07-19T03:00:00.000Z	56 \| moderate	12.22 \| fine	55.043 \| fine	28.176 \| good	1.122 \| good	10.556 \| good	0.231 \| good
2025-07-19T04:00:00.000Z	60 \| moderate	14.265 \| fine	63.502 \| fine	23.842 \| good	1.497 \| good	9.929 \| good	0.226 \| good
2025-07-19T05:00:00.000Z	60 \| moderate	13.547 \| fine	60.971 \| fine	19.279 \| good	1.873 \| good	9.303 \| good	0.221 \| good
2025-07-19T06:00:00.000Z	56 \| moderate	12.239 \| fine	54.539 \| good	16.969 \| good	2.249 \| good	8.676 \| good	0.216 \| good
2025-07-19T07:00:00.000Z	52 \| moderate	9.977 \| good	44.303 \| good	16.781 \| good	1.949 \| good	7.679 \| good	0.206 \| good
2025-07-19T08:00:00.000Z	56 \| moderate	11.504 \| good	50.928 \| good	18.197 \| good	1.65 \| good	6.683 \| good	0.196 \| good
2025-07-19T09:00:00.000Z	56 \| moderate	12.079 \| good	53.879 \| good	17.277 \| good	1.351 \| good	5.686 \| good	0.186 \| good
2025-07-19T10:00:00.000Z	52 \| moderate	9.665 \| good	43.283 \| good	13.119 \| good	1.083 \| good	5.282 \| good	0.183 \| good
2025-07-19T11:00:00.000Z	54 \| moderate	10.908 \| good	48.11 \| good	13.684 \| good	0.816 \| good	4.879 \| good	0.18 \| good
2025-07-19T12:00:00.000Z	52 \| moderate	10.184 \| good	45.22 \| good	16.081 \| good	0.548 \| good	4.475 \| good	0.177 \| good
2025-07-19T13:00:00.000Z	56 \| moderate	11.519 \| good	50.846 \| good	18.919 \| good	0.414 \| good	4.071 \| good	0.182 \| good
2025-07-19T14:00:00.000Z	54 \| moderate	11.153 \| good	49.345 \| good	23.947 \| good	0.28 \| good	3.668 \| good	0.187 \| good
2025-07-19T15:00:00.000Z	52 \| moderate	9.649 \| good	42.874 \| good	32.987 \| good	0.146 \| good	3.264 \| good	0.192 \| good
2025-07-19T16:00:00.000Z	52 \| moderate	9.565 \| good	42.918 \| good	38.326 \| good	0.133 \| good	2.655 \| good	0.187 \| good
2025-07-19T17:00:00.000Z	52 \| moderate	10.457 \| good	46.417 \| good	41.565 \| good	0.119 \| good	2.045 \| good	0.183 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	11.029 \| good	48.729 \| good	43.307 \| good	0.105 \| good	1.435 \| good	0.178 \| good
2025-07-19T19:00:00.000Z	54 \| moderate	11.278 \| good	50.044 \| good	43.547 \| good	0.095 \| good	1.275 \| good	0.175 \| good
2025-07-19T20:00:00.000Z	52 \| moderate	9.957 \| good	44.233 \| good	42.49 \| good	0.084 \| good	1.115 \| good	0.173 \| good
2025-07-19T21:00:00.000Z	52 \| moderate	9.956 \| good	44.163 \| good	41.664 \| good	0.074 \| good	0.955 \| good	0.171 \| good
2025-07-19T22:00:00.000Z	54 \| moderate	11.072 \| good	49.065 \| good	41.424 \| good	0.083 \| good	1.678 \| good	0.177 \| good
2025-07-19T23:00:00.000Z	52 \| moderate	10.202 \| good	45.154 \| good	38.779 \| good	0.093 \| good	2.401 \| good	0.183 \| good
2025-07-20T00:00:00.000Z	38 \| good	2.009 \| good	2.388 \| good	40.775 \| good	0.102 \| good	3.126 \| good	0.189 \| good
2025-07-20T01:00:00.000Z	56 \| moderate	11.685 \| good	52.141 \| good	37.666 \| good	0.143 \| good	4.727 \| good	0.202 \| good
2025-07-20T02:00:00.000Z	58 \| moderate	12.508 \| fine	56.365 \| fine	31.447 \| good	0.185 \| good	6.33 \| good	0.216 \| good
2025-07-20T03:00:00.000Z	58 \| moderate	12.813 \| fine	57.94 \| fine	23.521 \| good	0.226 \| good	7.934 \| good	0.229 \| good

Belvidere

Get reliable air quality data to drive your business

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

0.20ppm

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 2025-07-17.

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 01:00:00 on 2025-07-17.

What is the AQI in Belvidere, Illinois right now?

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

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

Belvidere, Illinois air has the highest levels of PM2.5.

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 6.813 μg/m³.

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

The PM₁₀ concentration in Belvidere, Illinois is 30.285 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 0.16 ppm.

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

Currently, Belvidere, Illinois has a sulfur dioxide (SO₂) concentration of 0.423 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 23.968 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 5.112 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T16:00:00.000Z	27 \| good	4.378 \| good	19.231 \| good	28.653 \| good	0.303 \| good	1.666 \| good	0.201 \| good
2025-07-20T17:00:00.000Z	28 \| good	4.913 \| good	20.595 \| good	30.081 \| good	0.339 \| good	1.93 \| good	0.191 \| good
2025-07-20T18:00:00.000Z	30 \| good	4.56 \| good	15.765 \| good	31.937 \| good	0.349 \| good	1.822 \| good	0.202 \| good
2025-07-20T19:00:00.000Z	33 \| good	5.579 \| good	24.738 \| good	32.092 \| good	0.379 \| good	2.105 \| good	0.202 \| good
2025-07-20T20:00:00.000Z	33 \| good	5.652 \| good	18.564 \| good	34.178 \| good	0.439 \| good	1.643 \| good	0.18 \| good
2025-07-20T21:00:00.000Z	33 \| good	5.768 \| good	15.343 \| good	34.146 \| good	0.506 \| good	1.4 \| good	0.18 \| good
2025-07-20T22:00:00.000Z	29 \| good	5.384 \| good	16.706 \| good	30.667 \| good	0.425 \| good	1.338 \| good	0.138 \| good
2025-07-20T23:00:00.000Z	29 \| good	5.011 \| good	19.54 \| good	30.748 \| good	0.427 \| good	1.948 \| good	0.183 \| good
2025-07-21T00:00:00.000Z	33 \| good	5.695 \| good	20.675 \| good	35.259 \| good	0.407 \| good	1.982 \| good	0.248 \| good
2025-07-21T01:00:00.000Z	31 \| good	5.41 \| good	23.534 \| good	33.977 \| good	0.43 \| good	2.408 \| good	0.258 \| good
2025-07-21T02:00:00.000Z	38 \| good	6.518 \| good	22.964 \| good	34.208 \| good	0.439 \| good	6.249 \| good	0.258 \| good
2025-07-21T03:00:00.000Z	38 \| good	7.285 \| good	28.937 \| good	33.501 \| good	0.407 \| good	4.547 \| good	0.269 \| good
2025-07-21T04:00:00.000Z	73 \| moderate	20.531 \| fine	61.986 \| fine	34.071 \| good	0.328 \| good	3.347 \| good	0.269 \| good
2025-07-21T05:00:00.000Z	90 \| moderate	29.912 \| fine	87.49 \| fine	29.925 \| good	0.413 \| good	2.986 \| good	0.279 \| good
2025-07-21T06:00:00.000Z	66 \| moderate	17.473 \| fine	68.613 \| fine	29.246 \| good	0.429 \| good	2.82 \| good	0.252 \| good
2025-07-21T07:00:00.000Z	99 \| moderate	34.892 \| fine	127.421 \| fine	30.692 \| good	0.501 \| good	2.895 \| good	0.241 \| good
2025-07-21T08:00:00.000Z	90 \| moderate	29.556 \| fine	85.222 \| fine	30.042 \| good	0.423 \| good	3.603 \| good	0.221 \| good
2025-07-21T09:00:00.000Z	102 \| sensitive	35.854 \| moderate	144.708 \| fine	24.745 \| good	0.399 \| good	3.795 \| good	0.214 \| good
2025-07-21T10:00:00.000Z	129 \| sensitive	46.831 \| moderate	151.574 \| fine	29.499 \| good	0.445 \| good	8.447 \| good	0.214 \| good
2025-07-21T11:00:00.000Z	115 \| sensitive	41.409 \| moderate	89.328 \| fine	28.508 \| good	0.646 \| good	5.574 \| good	0.176 \| good
2025-07-21T12:00:00.000Z	94 \| moderate	31.572 \| fine	67.058 \| fine	23.36 \| good	0.855 \| good	7.32 \| good	0.176 \| good
2025-07-21T13:00:00.000Z	142 \| sensitive	52.088 \| moderate	125.974 \| fine	28.285 \| good	0.916 \| good	5.766 \| good	0.184 \| good
2025-07-21T14:00:00.000Z	132 \| sensitive	47.83 \| moderate	156.644 \| moderate	30.521 \| good	0.911 \| good	3.094 \| good	0.156 \| good
2025-07-21T15:00:00.000Z	144 \| sensitive	53.003 \| moderate	232.443 \| moderate	22.423 \| good	1.643 \| good	3.042 \| good	0.156 \| good
2025-07-21T16:00:00.000Z	117 \| sensitive	42.43 \| moderate	141.911 \| fine	30.601 \| good	1.663 \| good	1.906 \| good	0.138 \| good
2025-07-21T17:00:00.000Z	110 \| sensitive	38.519 \| moderate	156.006 \| moderate	34.473 \| good	0.974 \| good	1.542 \| good	0.138 \| good
2025-07-21T18:00:00.000Z	88 \| moderate	28.522 \| fine	90.87 \| fine	40.406 \| good	0.843 \| good	1.853 \| good	0.16 \| good
2025-07-21T19:00:00.000Z	88 \| moderate	29.175 \| fine	95.049 \| fine	44.562 \| good	0.984 \| good	2.04 \| good	0.205 \| good
2025-07-21T20:00:00.000Z	92 \| moderate	31.376 \| fine	129.153 \| fine	49.26 \| good	0.747 \| good	1.568 \| good	0.194 \| good
2025-07-21T21:00:00.000Z	84 \| moderate	25.153 \| fine	121.162 \| fine	51.29 \| good	1.3 \| good	1.74 \| good	0.217 \| good
2025-07-21T22:00:00.000Z	79 \| moderate	23.931 \| fine	86.328 \| fine	48.532 \| good	1.388 \| good	1.957 \| good	0.25 \| good
2025-07-21T23:00:00.000Z	74 \| moderate	21.241 \| fine	101.731 \| fine	54.261 \| good	0.898 \| good	1.587 \| good	0.275 \| good
2025-07-22T00:00:00.000Z	75 \| moderate	22.147 \| fine	93.144 \| fine	36.944 \| good	0.899 \| good	1.9 \| good	0.303 \| good
2025-07-22T01:00:00.000Z	79 \| moderate	23.99 \| fine	83.344 \| fine	47.982 \| good	1.238 \| good	2.585 \| good	0.322 \| good
2025-07-22T02:00:00.000Z	79 \| moderate	22.359 \| fine	112.15 \| fine	42.324 \| good	1.074 \| good	3.439 \| good	0.305 \| good
2025-07-22T03:00:00.000Z	71 \| moderate	19.922 \| fine	87.796 \| fine	29.193 \| good	1.067 \| good	6.236 \| good	0.272 \| good
2025-07-22T04:00:00.000Z	79 \| moderate	23.538 \| fine	91.732 \| fine	37.246 \| good	0.45 \| good	5.734 \| good	0.213 \| good
2025-07-22T05:00:00.000Z	71 \| moderate	20.451 \| fine	83.253 \| fine	32.237 \| good	0.572 \| good	7.217 \| good	0.158 \| good
2025-07-22T06:00:00.000Z	79 \| moderate	23.622 \| fine	80.415 \| fine	34.298 \| good	0.681 \| good	8.671 \| good	0.157 \| good
2025-07-22T07:00:00.000Z	84 \| moderate	27.109 \| fine	113.254 \| fine	31.251 \| good	0.581 \| good	8.108 \| good	0.128 \| good
2025-07-22T08:00:00.000Z	88 \| moderate	26.407 \| fine	129.596 \| fine	24.542 \| good	0.474 \| good	11.476 \| good	0.128 \| good
2025-07-22T09:00:00.000Z	86 \| moderate	28.367 \| fine	122.12 \| fine	23.988 \| good	0.298 \| good	10.743 \| good	0.118 \| good
2025-07-22T10:00:00.000Z	73 \| moderate	20.71 \| fine	70.8 \| fine	21.656 \| good	0.337 \| good	8.734 \| good	0.128 \| good
2025-07-22T11:00:00.000Z	67 \| moderate	18.419 \| fine	77.827 \| fine	22.467 \| good	0.499 \| good	8.906 \| good	0.173 \| good
2025-07-22T12:00:00.000Z	81 \| moderate	24.553 \| fine	83.631 \| fine	18.945 \| good	0.551 \| good	7.403 \| good	0.173 \| good
2025-07-22T13:00:00.000Z	90 \| moderate	29.646 \| fine	134.471 \| fine	20.39 \| good	0.423 \| good	7.263 \| good	0.173 \| good
2025-07-22T14:00:00.000Z	81 \| moderate	24.511 \| fine	85.613 \| fine	21.77 \| good	0.806 \| good	4.609 \| good	0.181 \| good
2025-07-22T15:00:00.000Z	82 \| moderate	25.649 \| fine	110.687 \| fine	28.588 \| good	0.93 \| good	4.848 \| good	0.212 \| good
2025-07-22T15:00:00.000Z	82 \| moderate	25.649 \| fine	110.687 \| fine	28.588 \| good	0.93 \| good	4.848 \| good	0.212 \| good
2025-07-18T04:00:00.000Z	52 \| moderate	10.064 \| good	44.774 \| good	20.304 \| good	0.521 \| good	6.09 \| good	0.168 \| good
2025-07-18T05:00:00.000Z	49 \| good	9.404 \| good	41.652 \| good	18.451 \| good	0.571 \| good	6.323 \| good	0.166 \| good
2025-07-18T06:00:00.000Z	44 \| good	8.221 \| good	36.251 \| good	17.559 \| good	0.622 \| good	6.556 \| good	0.164 \| good
2025-07-18T07:00:00.000Z	38 \| good	7.445 \| good	32.5 \| good	16.447 \| good	0.594 \| good	6.493 \| good	0.159 \| good
2025-07-18T08:00:00.000Z	38 \| good	6.872 \| good	30.11 \| good	15.053 \| good	0.566 \| good	6.431 \| good	0.155 \| good
2025-07-18T09:00:00.000Z	33 \| good	5.868 \| good	25.7 \| good	13.534 \| good	0.537 \| good	6.368 \| good	0.15 \| good
2025-07-18T10:00:00.000Z	33 \| good	5.768 \| good	24.879 \| good	13.075 \| good	0.519 \| good	5.77 \| good	0.149 \| good
2025-07-18T11:00:00.000Z	27 \| good	5.039 \| good	21.502 \| good	10.697 \| good	0.5 \| good	5.172 \| good	0.148 \| good
2025-07-18T12:00:00.000Z	27 \| good	4.528 \| good	19.314 \| good	12.815 \| good	0.481 \| good	4.574 \| good	0.146 \| good
2025-07-18T13:00:00.000Z	27 \| good	5.309 \| good	22.907 \| good	18.708 \| good	0.566 \| good	3.626 \| good	0.144 \| good
2025-07-18T14:00:00.000Z	44 \| good	7.51 \| good	33.177 \| good	25.255 \| good	0.652 \| good	2.678 \| good	0.142 \| good
2025-07-18T15:00:00.000Z	52 \| moderate	9.85 \| good	44.009 \| good	33.326 \| good	0.737 \| good	1.73 \| good	0.139 \| good
2025-07-18T16:00:00.000Z	56 \| moderate	12.35 \| fine	55.947 \| fine	39.142 \| good	0.737 \| good	1.442 \| good	0.14 \| good
2025-07-18T17:00:00.000Z	60 \| moderate	13.878 \| fine	62.711 \| fine	44.241 \| good	0.737 \| good	1.153 \| good	0.14 \| good
2025-07-18T18:00:00.000Z	58 \| moderate	12.695 \| fine	57.01 \| fine	49.348 \| good	0.737 \| good	0.865 \| good	0.141 \| good
2025-07-18T19:00:00.000Z	54 \| moderate	10.684 \| good	47.348 \| good	47.976 \| good	0.729 \| good	0.933 \| good	0.142 \| good
2025-07-18T20:00:00.000Z	44 \| good	8.328 \| good	36.663 \| good	45.665 \| good	0.721 \| good	1.001 \| good	0.143 \| good
2025-07-18T21:00:00.000Z	44 \| good	7.967 \| good	34.647 \| good	41.76 \| good	0.714 \| good	1.069 \| good	0.145 \| good
2025-07-18T22:00:00.000Z	52 \| moderate	9.923 \| good	44.157 \| good	43.039 \| good	0.713 \| good	2.181 \| good	0.156 \| good
2025-07-18T23:00:00.000Z	39 \| good	6.873 \| good	30.574 \| good	42.214 \| good	0.713 \| good	3.294 \| good	0.167 \| good
2025-07-19T00:00:00.000Z	54 \| moderate	11.102 \| good	49.394 \| good	41.159 \| good	0.713 \| good	4.406 \| good	0.178 \| good
2025-07-19T01:00:00.000Z	52 \| moderate	10.494 \| good	46.452 \| good	42.792 \| good	0.849 \| good	6.456 \| good	0.196 \| good
2025-07-19T02:00:00.000Z	58 \| moderate	12.922 \| fine	57.91 \| fine	36.68 \| good	0.985 \| good	8.506 \| good	0.213 \| good
2025-07-19T03:00:00.000Z	56 \| moderate	12.22 \| fine	55.043 \| fine	28.176 \| good	1.122 \| good	10.556 \| good	0.231 \| good
2025-07-19T04:00:00.000Z	60 \| moderate	14.265 \| fine	63.502 \| fine	23.842 \| good	1.497 \| good	9.929 \| good	0.226 \| good
2025-07-19T05:00:00.000Z	60 \| moderate	13.547 \| fine	60.971 \| fine	19.279 \| good	1.873 \| good	9.303 \| good	0.221 \| good
2025-07-19T06:00:00.000Z	56 \| moderate	12.239 \| fine	54.539 \| good	16.969 \| good	2.249 \| good	8.676 \| good	0.216 \| good
2025-07-19T07:00:00.000Z	52 \| moderate	9.977 \| good	44.303 \| good	16.781 \| good	1.949 \| good	7.679 \| good	0.206 \| good
2025-07-19T08:00:00.000Z	56 \| moderate	11.504 \| good	50.928 \| good	18.197 \| good	1.65 \| good	6.683 \| good	0.196 \| good
2025-07-19T09:00:00.000Z	56 \| moderate	12.079 \| good	53.879 \| good	17.277 \| good	1.351 \| good	5.686 \| good	0.186 \| good
2025-07-19T10:00:00.000Z	52 \| moderate	9.665 \| good	43.283 \| good	13.119 \| good	1.083 \| good	5.282 \| good	0.183 \| good
2025-07-19T11:00:00.000Z	54 \| moderate	10.908 \| good	48.11 \| good	13.684 \| good	0.816 \| good	4.879 \| good	0.18 \| good
2025-07-19T12:00:00.000Z	52 \| moderate	10.184 \| good	45.22 \| good	16.081 \| good	0.548 \| good	4.475 \| good	0.177 \| good
2025-07-19T13:00:00.000Z	56 \| moderate	11.519 \| good	50.846 \| good	18.919 \| good	0.414 \| good	4.071 \| good	0.182 \| good
2025-07-19T14:00:00.000Z	54 \| moderate	11.153 \| good	49.345 \| good	23.947 \| good	0.28 \| good	3.668 \| good	0.187 \| good
2025-07-19T15:00:00.000Z	52 \| moderate	9.649 \| good	42.874 \| good	32.987 \| good	0.146 \| good	3.264 \| good	0.192 \| good
2025-07-19T16:00:00.000Z	52 \| moderate	9.565 \| good	42.918 \| good	38.326 \| good	0.133 \| good	2.655 \| good	0.187 \| good
2025-07-19T17:00:00.000Z	52 \| moderate	10.457 \| good	46.417 \| good	41.565 \| good	0.119 \| good	2.045 \| good	0.183 \| good
2025-07-19T18:00:00.000Z	54 \| moderate	11.029 \| good	48.729 \| good	43.307 \| good	0.105 \| good	1.435 \| good	0.178 \| good
2025-07-19T19:00:00.000Z	54 \| moderate	11.278 \| good	50.044 \| good	43.547 \| good	0.095 \| good	1.275 \| good	0.175 \| good
2025-07-19T20:00:00.000Z	52 \| moderate	9.957 \| good	44.233 \| good	42.49 \| good	0.084 \| good	1.115 \| good	0.173 \| good
2025-07-19T21:00:00.000Z	52 \| moderate	9.956 \| good	44.163 \| good	41.664 \| good	0.074 \| good	0.955 \| good	0.171 \| good
2025-07-19T22:00:00.000Z	54 \| moderate	11.072 \| good	49.065 \| good	41.424 \| good	0.083 \| good	1.678 \| good	0.177 \| good
2025-07-19T23:00:00.000Z	52 \| moderate	10.202 \| good	45.154 \| good	38.779 \| good	0.093 \| good	2.401 \| good	0.183 \| good
2025-07-20T00:00:00.000Z	38 \| good	2.009 \| good	2.388 \| good	40.775 \| good	0.102 \| good	3.126 \| good	0.189 \| good
2025-07-20T01:00:00.000Z	56 \| moderate	11.685 \| good	52.141 \| good	37.666 \| good	0.143 \| good	4.727 \| good	0.202 \| good
2025-07-20T02:00:00.000Z	58 \| moderate	12.508 \| fine	56.365 \| fine	31.447 \| good	0.185 \| good	6.33 \| good	0.216 \| good
2025-07-20T03:00:00.000Z	58 \| moderate	12.813 \| fine	57.94 \| fine	23.521 \| good	0.226 \| good	7.934 \| good	0.229 \| 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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Belvidere, Illinois air quality map: Stay updated on AQI near you

Air quality in nearby cities

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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?

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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?