What are the current PM10 levels at Rancho Cucamonga, California?

The current PM10 levels in Rancho Cucamonga, California are 16.529 μg/m3.

What are the current sulfur dioxide (SO2) levels at Rancho Cucamonga, California?

The current sulfur dioxide (SO2) levels in Rancho Cucamonga, California are 0.943 ppb.

What are the current ozone (O3) levels at Rancho Cucamonga, California?

The current ozone (O3) levels at Rancho Cucamonga, California is 5.481 ppm.

What are the current nitrogen dioxide (NO2) levels at Rancho Cucamonga, California?

The current nitrogen dioxide (NO2) levels at Rancho Cucamonga, California is 13.377 ppb.

Real-time air quality index in Rancho Cucamonga, California today

Q: What are the current PM2.5 levels in Rancho Cucamonga, California?

The measured PM2.5 levels in Rancho Cucamonga, California at present are 10.08 μg/m3.

Stay updated with real-time air quality in Rancho Cucamonga, California 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

Rancho Cucamonga, California

Last updated: ... (Local time)

Common air pollutants in Rancho Cucamonga, California

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)

16.53 μg/m³

155

255

425

605+

Ozone (O₃)

5.48 ppb

201

201+

Sulfur Dioxide (SO₂)

0.94 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.40 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Rancho Cucamonga, California

Get Live Pollen Counts

Rancho Cucamonga, California

Scroll To Air Quality Map

Track live Rancho Cucamonga, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	49 \| good	9.413 \| good	23.817 \| good	12.26 \| good	0.547 \| good	17.931 \| good	0.423 \| good
2026-09-05T13:00:00.000Z	49 \| good	9.255 \| good	22.772 \| good	12.445 \| good	0.548 \| good	17.931 \| good	0.423 \| good
2026-09-05T14:00:00.000Z	52 \| moderate	10.422 \| good	35.987 \| good	13.445 \| good	0.656 \| good	19.978 \| good	0.548 \| good
2026-09-05T15:00:00.000Z	61 \| moderate	12.588 \| fine	76.113 \| fine	15.037 \| good	0.927 \| good	22.565 \| good	0.54 \| good
2026-09-05T16:00:00.000Z	54 \| moderate	10.479 \| good	61.081 \| fine	20.194 \| good	0.801 \| good	24.578 \| good	0.447 \| good
2026-09-05T17:00:00.000Z	49 \| good	8.773 \| good	37.249 \| good	27.181 \| good	0.688 \| good	21.237 \| good	0.361 \| good
2026-09-05T18:00:00.000Z	34 \| good	6.434 \| good	26.387 \| good	36.966 \| good	0.618 \| good	15.535 \| good	0.338 \| good
2026-09-05T19:00:00.000Z	40 \| good	5.683 \| good	21.526 \| good	43.264 \| good	0.578 \| good	10.674 \| good	0.302 \| good
2026-09-05T20:00:00.000Z	42 \| good	5.233 \| good	18.661 \| good	45.411 \| good	0.57 \| good	7.623 \| good	0.242 \| good
2026-09-05T21:00:00.000Z	47 \| good	5.391 \| good	21.907 \| good	51.298 \| good	0.596 \| good	7.523 \| good	0.264 \| good
2026-09-05T22:00:00.000Z	47 \| good	5.528 \| good	17.569 \| good	51.424 \| good	0.516 \| good	8.265 \| good	0.242 \| good
2026-09-05T23:00:00.000Z	48 \| good	2.828 \| good	17.717 \| good	52.292 \| good	0.648 \| good	11.051 \| good	0.256 \| good
2026-09-06T00:00:00.000Z	49 \| good	3.024 \| good	19.878 \| good	52.62 \| good	0.671 \| good	11.882 \| good	0.28 \| good
2026-09-06T01:00:00.000Z	43 \| good	3.394 \| good	18.009 \| good	46.099 \| good	0.631 \| good	12.106 \| good	0.309 \| good
2026-09-06T02:00:00.000Z	44 \| good	5.246 \| good	22.124 \| good	47.433 \| good	0.654 \| good	13.429 \| good	0.331 \| good
2026-09-06T03:00:00.000Z	33 \| good	6 \| good	26.39 \| good	29.495 \| good	0.759 \| good	4.83 \| good	0.127 \| good
2026-09-06T04:00:00.000Z	34 \| good	5.58 \| good	19.01 \| good	37.415 \| good	0.562 \| good	12.538 \| good	0.344 \| good
2026-09-06T05:00:00.000Z	33 \| good	5.75 \| good	22.12 \| good	32.695 \| good	0.828 \| good	13.892 \| good	0.421 \| good
2026-09-06T06:00:00.000Z	38 \| good	6.66 \| good	19.377 \| good	29.49 \| good	0.631 \| good	17.125 \| good	0.435 \| good
2026-09-06T07:00:00.000Z	38 \| good	6.979 \| good	26.352 \| good	28.288 \| good	0.621 \| good	17.125 \| good	0.44 \| good
2026-09-06T08:00:00.000Z	49 \| good	8.865 \| good	27.85 \| good	20.079 \| good	0.658 \| good	19.867 \| good	0.499 \| good
2026-09-06T09:00:00.000Z	52 \| moderate	9.579 \| good	29.652 \| good	16.665 \| good	0.743 \| good	19.154 \| good	0.456 \| good
2026-09-06T10:00:00.000Z	52 \| moderate	9.78 \| good	35.348 \| good	18.956 \| good	0.744 \| good	19.154 \| good	0.456 \| good
2026-09-06T11:00:00.000Z	49 \| good	9.442 \| good	35.666 \| good	16.869 \| good	0.744 \| good	19.154 \| good	0.456 \| good
2026-09-06T12:00:00.000Z	49 \| good	9.489 \| good	30.85 \| good	11.763 \| good	0.593 \| good	21.765 \| good	0.419 \| good
2026-09-06T13:00:00.000Z	49 \| good	8.88 \| good	26.297 \| good	12.223 \| good	0.591 \| good	21.765 \| good	0.419 \| good
2026-09-06T14:00:00.000Z	52 \| moderate	9.645 \| good	35.72 \| good	15.194 \| good	0.614 \| good	19.278 \| good	0.395 \| good
2026-09-06T15:00:00.000Z	49 \| good	9.239 \| good	26.643 \| good	11.998 \| good	0.623 \| good	17.861 \| good	0.349 \| good
2026-09-06T16:00:00.000Z	44 \| good	8.187 \| good	27.198 \| good	11.856 \| good	0.561 \| good	14.485 \| good	0.34 \| good
2026-09-06T17:00:00.000Z	38 \| good	7.409 \| good	20.203 \| good	17.517 \| good	0.631 \| good	18.244 \| good	0.375 \| good
2026-09-06T18:00:00.000Z	44 \| good	8.283 \| good	17.799 \| good	17.115 \| good	0.577 \| good	16.805 \| good	0.371 \| good
2026-09-06T19:00:00.000Z	49 \| good	8.852 \| good	21.999 \| good	16.692 \| good	0.543 \| good	19.522 \| good	0.313 \| good
2026-09-06T20:00:00.000Z	49 \| good	8.646 \| good	29.673 \| good	17.452 \| good	0.538 \| good	20.263 \| good	0.317 \| good
2026-09-06T21:00:00.000Z	49 \| good	8.52 \| good	15.486 \| good	17.66 \| good	0.546 \| good	20.056 \| good	0.244 \| good
2026-09-06T22:00:00.000Z	49 \| good	8.709 \| good	19.321 \| good	17.615 \| good	0.543 \| good	15.293 \| good	0.244 \| good
2026-09-06T23:00:00.000Z	52 \| moderate	9.629 \| good	27.862 \| good	16.794 \| good	0.596 \| good	11.936 \| good	0.272 \| good
2026-09-07T00:00:00.000Z	49 \| good	9.413 \| good	20.168 \| good	14.676 \| good	0.624 \| good	9.185 \| good	0.275 \| good
2026-09-07T01:00:00.000Z	52 \| moderate	9.978 \| good	22.654 \| good	11.929 \| good	0.626 \| good	14.139 \| good	0.335 \| good
2026-09-07T02:00:00.000Z	52 \| moderate	10.134 \| good	18.167 \| good	11.164 \| good	0.563 \| good	16.066 \| good	0.342 \| good
2026-09-07T03:00:00.000Z	38 \| good	6.817 \| good	30.313 \| good	17.163 \| good	0.401 \| good	15.5 \| good	0.166 \| good
2026-09-07T04:00:00.000Z	52 \| moderate	10.282 \| good	18.803 \| good	6.899 \| good	0.576 \| good	16.951 \| good	0.457 \| good
2026-09-07T05:00:00.000Z	54 \| moderate	10.991 \| good	19.817 \| good	5.075 \| good	0.836 \| good	18.589 \| good	0.523 \| good
2026-09-07T06:00:00.000Z	49 \| good	9.499 \| good	21.704 \| good	5.513 \| good	0.729 \| good	18.566 \| good	0.573 \| good
2026-09-07T07:00:00.000Z	52 \| moderate	10.499 \| good	19.929 \| good	5.831 \| good	0.727 \| good	18.566 \| good	0.565 \| good
2026-09-07T08:00:00.000Z	52 \| moderate	10.252 \| good	20.449 \| good	6.055 \| good	0.733 \| good	16.276 \| good	0.515 \| good
2026-09-07T09:00:00.000Z	54 \| moderate	10.849 \| good	26.194 \| good	4.908 \| good	0.788 \| good	14.75 \| good	0.492 \| good
2026-09-07T10:00:00.000Z	52 \| moderate	9.816 \| good	19.499 \| good	5.38 \| good	0.667 \| good	13.534 \| good	0.402 \| good
2026-09-07T11:00:00.000Z	52 \| moderate	10 \| good	17.667 \| good	5.854 \| good	0.915 \| good	13.164 \| good	0.395 \| good
2026-09-07T11:00:00.000Z	52 \| moderate	10.08 \| good	16.529 \| good	5.481 \| good	0.943 \| good	13.377 \| good	0.395 \| good
2026-09-07T12:00:00.000Z	52 \| moderate	9.703 \| good	43.278 \| good	6.13 \| good	0.314 \| good	16.836 \| good	0.205 \| good
2026-09-07T13:00:00.000Z	49 \| good	8.911 \| good	39.506 \| good	4.907 \| good	0.311 \| good	16.54 \| good	0.202 \| good
2026-09-07T14:00:00.000Z	52 \| moderate	9.851 \| good	43.565 \| good	4.189 \| good	0.343 \| good	14.657 \| good	0.204 \| good
2026-09-07T15:00:00.000Z	49 \| good	8.754 \| good	38.694 \| good	8.96 \| good	0.422 \| good	12.828 \| good	0.213 \| good
2026-09-07T16:00:00.000Z	44 \| good	8.252 \| good	36.626 \| good	16.935 \| good	0.43 \| good	8.146 \| good	0.163 \| good
2026-09-07T17:00:00.000Z	52 \| moderate	9.72 \| good	42.822 \| good	26.613 \| good	0.37 \| good	4.368 \| good	0.126 \| good
2026-09-07T18:00:00.000Z	52 \| moderate	9.638 \| good	42.843 \| good	34.653 \| good	0.365 \| good	2.91 \| good	0.116 \| good
2026-09-07T19:00:00.000Z	54 \| moderate	10.504 \| good	46.157 \| good	45.239 \| good	0.392 \| good	2.403 \| good	0.114 \| good
2026-09-07T20:00:00.000Z	56 \| moderate	11.753 \| good	52.394 \| good	55.442 \| fine	0.448 \| good	2.207 \| good	0.113 \| good
2026-09-07T21:00:00.000Z	74 \| moderate	6.959 \| good	31.098 \| good	62.075 \| fine	0.528 \| good	2.055 \| good	0.113 \| good
2026-09-07T22:00:00.000Z	100 \| moderate	7.485 \| good	33.337 \| good	69.623 \| fine	0.619 \| good	1.998 \| good	0.113 \| good
2026-09-07T23:00:00.000Z	101 \| sensitive	8.795 \| good	38.674 \| good	70.892 \| fine	0.771 \| good	2.14 \| good	0.115 \| good
2026-09-08T00:00:00.000Z	64 \| moderate	7.821 \| good	34.101 \| good	58.873 \| fine	0.911 \| good	2.609 \| good	0.118 \| good
2026-09-08T01:00:00.000Z	40 \| good	7.146 \| good	31.817 \| good	43.432 \| good	1.08 \| good	3.886 \| good	0.125 \| good
2026-09-08T02:00:00.000Z	49 \| good	8.509 \| good	37.128 \| good	27.128 \| good	1.272 \| good	7.323 \| good	0.139 \| good
2026-09-08T03:00:00.000Z	38 \| good	6.841 \| good	30.416 \| good	21.313 \| good	1.437 \| good	12.687 \| good	0.161 \| good
2026-09-08T04:00:00.000Z	38 \| good	7.14 \| good	31.762 \| good	13.467 \| good	1.578 \| good	17.677 \| good	0.181 \| good
2026-09-08T05:00:00.000Z	38 \| good	7.126 \| good	31.692 \| good	9.06 \| good	1.677 \| good	21.944 \| good	0.198 \| good
2026-09-08T06:00:00.000Z	38 \| good	7.21 \| good	31.733 \| good	7.504 \| good	1.752 \| good	25.722 \| good	0.214 \| good
2026-09-08T07:00:00.000Z	38 \| good	6.588 \| good	29.405 \| good	6.181 \| good	1.758 \| good	28.527 \| good	0.229 \| good
2026-09-08T08:00:00.000Z	38 \| good	6.639 \| good	29.132 \| good	5.83 \| good	1.679 \| good	30.15 \| good	0.239 \| good
2026-09-08T09:00:00.000Z	38 \| good	7.135 \| good	31.069 \| good	5.33 \| good	1.558 \| good	29.839 \| good	0.24 \| good
2026-09-08T10:00:00.000Z	44 \| good	8.31 \| good	36.28 \| good	4.34 \| good	1.421 \| good	28.164 \| good	0.236 \| good
2026-09-08T11:00:00.000Z	49 \| good	9.087 \| good	40.658 \| good	3.977 \| good	1.291 \| good	26.032 \| good	0.229 \| good
2026-09-08T12:00:00.000Z	52 \| moderate	10.129 \| good	44.759 \| good	3.999 \| good	1.155 \| good	24.019 \| good	0.223 \| good
2026-09-08T13:00:00.000Z	54 \| moderate	10.642 \| good	46.834 \| good	3.949 \| good	1.011 \| good	22.66 \| good	0.22 \| good
2026-09-08T14:00:00.000Z	58 \| moderate	13.028 \| fine	58.976 \| fine	4.489 \| good	0.9 \| good	19.053 \| good	0.225 \| good
2026-09-08T15:00:00.000Z	62 \| moderate	14.691 \| fine	66.119 \| fine	7.919 \| good	0.849 \| good	15.098 \| good	0.234 \| good
2026-09-08T16:00:00.000Z	66 \| moderate	16.743 \| fine	74.492 \| fine	17.569 \| good	0.833 \| good	9.988 \| good	0.179 \| good
2026-09-08T17:00:00.000Z	73 \| moderate	20.657 \| fine	90.836 \| fine	32.674 \| good	0.844 \| good	7.627 \| good	0.154 \| good
2026-09-08T18:00:00.000Z	73 \| moderate	20.754 \| fine	90.743 \| fine	44.596 \| good	0.903 \| good	6.475 \| good	0.15 \| good
2026-09-08T19:00:00.000Z	67 \| moderate	17.855 \| fine	79.023 \| fine	52.572 \| good	0.952 \| good	5.312 \| good	0.147 \| good
2026-09-08T20:00:00.000Z	74 \| moderate	9.485 \| good	42.419 \| good	61.885 \| fine	0.99 \| good	4.363 \| good	0.144 \| good
2026-09-08T21:00:00.000Z	108 \| sensitive	10.37 \| good	46.222 \| good	72.672 \| moderate	1.022 \| good	3.695 \| good	0.143 \| good
2026-09-08T22:00:00.000Z	150 \| sensitive	10.148 \| good	44.761 \| good	84.75 \| moderate	1.059 \| good	3.34 \| good	0.142 \| good
2026-09-08T23:00:00.000Z	154 \| unhealthy	10.305 \| good	45.371 \| good	87.497 \| poor	1.157 \| good	3.478 \| good	0.143 \| good
2026-09-09T00:00:00.000Z	143 \| sensitive	11.489 \| good	51.077 \| good	83.209 \| moderate	1.263 \| good	4.116 \| good	0.145 \| good
2026-09-09T01:00:00.000Z	97 \| moderate	10.477 \| good	46.727 \| good	68.558 \| fine	1.303 \| good	5.596 \| good	0.148 \| good
2026-09-09T02:00:00.000Z	56 \| moderate	11.718 \| good	51.751 \| good	42.434 \| good	1.325 \| good	9.929 \| good	0.164 \| good
2026-09-09T03:00:00.000Z	38 \| good	7.044 \| good	31.413 \| good	33.825 \| good	1.344 \| good	15.204 \| good	0.186 \| good
2026-09-09T04:00:00.000Z	44 \| good	7.75 \| good	34.007 \| good	20.891 \| good	1.37 \| good	20.524 \| good	0.207 \| good
2026-09-09T05:00:00.000Z	44 \| good	8.487 \| good	37.118 \| good	13.741 \| good	1.404 \| good	24.326 \| good	0.226 \| good
2026-09-09T06:00:00.000Z	44 \| good	8.014 \| good	34.953 \| good	10.383 \| good	1.365 \| good	26.334 \| good	0.24 \| good
2026-09-09T07:00:00.000Z	49 \| good	9.322 \| good	41.765 \| good	10.695 \| good	1.3 \| good	26.592 \| good	0.249 \| good
2026-09-09T08:00:00.000Z	49 \| good	8.979 \| good	40.002 \| good	9.317 \| good	1.234 \| good	25.792 \| good	0.251 \| good
2026-09-09T09:00:00.000Z	44 \| good	8.218 \| good	36 \| good	9.601 \| good	1.175 \| good	25.516 \| good	0.252 \| good
2026-09-09T10:00:00.000Z	49 \| good	8.792 \| good	39.269 \| good	9.263 \| good	1.075 \| good	25.313 \| good	0.253 \| good
2026-09-09T11:00:00.000Z	52 \| moderate	9.728 \| good	43.197 \| good	8.813 \| good	0.945 \| good	24.703 \| good	0.253 \| good

Rancho Cucamonga

Empower business decisions with accurate air quality data

Rancho Cucamonga, California air quality map: Real-time AQI near you

0.40ppm

How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Rancho Cucamonga, California updated?

Air quality data for Rancho Cucamonga, California is updated on an hourly basis.

When did Rancho Cucamonga, California experience the worst air quality in the last 24 hours?

The worst air quality in Rancho Cucamonga, California was recorded at 09:00:00 on 2026-09-07.

When did Rancho Cucamonga, California have its best air quality in the last 24 hours?

The best air quality in Rancho Cucamonga, California was recorded at 03:00:00 on 2026-09-07.

What is the real-time air quality index for Rancho Cucamonga, California?

The real-time air quality index in Rancho Cucamonga, California is 52, currently categorized as Moderate.

Which pollutant is found most often in Rancho Cucamonga, California?

The most common pollutant in Rancho Cucamonga, California is PM2.5.

What can I do if the air quality in Rancho Cucamonga, California is poor?

If the air quality in Rancho Cucamonga, California is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Rancho Cucamonga, California?

The measured PM_2.5 levels in Rancho Cucamonga, California at present are 10.08 μg/m³.

What are the current PM₁₀ levels at Rancho Cucamonga, California?

The current PM₁₀ levels in Rancho Cucamonga, California are 16.529 μg/m³.

What are the current carbon monoxide (CO) levels at Rancho Cucamonga, California?

The current carbon monoxide (CO) level in Rancho Cucamonga, California is 0.395 ppm.

What are the current sulfur dioxide (SO₂) levels at Rancho Cucamonga, California?

The current sulfur dioxide (SO₂) levels in Rancho Cucamonga, California are 0.943 ppb.

What are the current ozone (O₃) levels at Rancho Cucamonga, California?

The current ozone (O₃) levels at Rancho Cucamonga, California is 5.481 ppm.

What are the current nitrogen dioxide (NO₂) levels at Rancho Cucamonga, California?

The current nitrogen dioxide (NO₂) levels at Rancho Cucamonga, California is 13.377 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	49 \| good	9.413 \| good	23.817 \| good	12.26 \| good	0.547 \| good	17.931 \| good	0.423 \| good
2026-09-05T13:00:00.000Z	49 \| good	9.255 \| good	22.772 \| good	12.445 \| good	0.548 \| good	17.931 \| good	0.423 \| good
2026-09-05T14:00:00.000Z	52 \| moderate	10.422 \| good	35.987 \| good	13.445 \| good	0.656 \| good	19.978 \| good	0.548 \| good
2026-09-05T15:00:00.000Z	61 \| moderate	12.588 \| fine	76.113 \| fine	15.037 \| good	0.927 \| good	22.565 \| good	0.54 \| good
2026-09-05T16:00:00.000Z	54 \| moderate	10.479 \| good	61.081 \| fine	20.194 \| good	0.801 \| good	24.578 \| good	0.447 \| good
2026-09-05T17:00:00.000Z	49 \| good	8.773 \| good	37.249 \| good	27.181 \| good	0.688 \| good	21.237 \| good	0.361 \| good
2026-09-05T18:00:00.000Z	34 \| good	6.434 \| good	26.387 \| good	36.966 \| good	0.618 \| good	15.535 \| good	0.338 \| good
2026-09-05T19:00:00.000Z	40 \| good	5.683 \| good	21.526 \| good	43.264 \| good	0.578 \| good	10.674 \| good	0.302 \| good
2026-09-05T20:00:00.000Z	42 \| good	5.233 \| good	18.661 \| good	45.411 \| good	0.57 \| good	7.623 \| good	0.242 \| good
2026-09-05T21:00:00.000Z	47 \| good	5.391 \| good	21.907 \| good	51.298 \| good	0.596 \| good	7.523 \| good	0.264 \| good
2026-09-05T22:00:00.000Z	47 \| good	5.528 \| good	17.569 \| good	51.424 \| good	0.516 \| good	8.265 \| good	0.242 \| good
2026-09-05T23:00:00.000Z	48 \| good	2.828 \| good	17.717 \| good	52.292 \| good	0.648 \| good	11.051 \| good	0.256 \| good
2026-09-06T00:00:00.000Z	49 \| good	3.024 \| good	19.878 \| good	52.62 \| good	0.671 \| good	11.882 \| good	0.28 \| good
2026-09-06T01:00:00.000Z	43 \| good	3.394 \| good	18.009 \| good	46.099 \| good	0.631 \| good	12.106 \| good	0.309 \| good
2026-09-06T02:00:00.000Z	44 \| good	5.246 \| good	22.124 \| good	47.433 \| good	0.654 \| good	13.429 \| good	0.331 \| good
2026-09-06T03:00:00.000Z	33 \| good	6 \| good	26.39 \| good	29.495 \| good	0.759 \| good	4.83 \| good	0.127 \| good
2026-09-06T04:00:00.000Z	34 \| good	5.58 \| good	19.01 \| good	37.415 \| good	0.562 \| good	12.538 \| good	0.344 \| good
2026-09-06T05:00:00.000Z	33 \| good	5.75 \| good	22.12 \| good	32.695 \| good	0.828 \| good	13.892 \| good	0.421 \| good
2026-09-06T06:00:00.000Z	38 \| good	6.66 \| good	19.377 \| good	29.49 \| good	0.631 \| good	17.125 \| good	0.435 \| good
2026-09-06T07:00:00.000Z	38 \| good	6.979 \| good	26.352 \| good	28.288 \| good	0.621 \| good	17.125 \| good	0.44 \| good
2026-09-06T08:00:00.000Z	49 \| good	8.865 \| good	27.85 \| good	20.079 \| good	0.658 \| good	19.867 \| good	0.499 \| good
2026-09-06T09:00:00.000Z	52 \| moderate	9.579 \| good	29.652 \| good	16.665 \| good	0.743 \| good	19.154 \| good	0.456 \| good
2026-09-06T10:00:00.000Z	52 \| moderate	9.78 \| good	35.348 \| good	18.956 \| good	0.744 \| good	19.154 \| good	0.456 \| good
2026-09-06T11:00:00.000Z	49 \| good	9.442 \| good	35.666 \| good	16.869 \| good	0.744 \| good	19.154 \| good	0.456 \| good
2026-09-06T12:00:00.000Z	49 \| good	9.489 \| good	30.85 \| good	11.763 \| good	0.593 \| good	21.765 \| good	0.419 \| good
2026-09-06T13:00:00.000Z	49 \| good	8.88 \| good	26.297 \| good	12.223 \| good	0.591 \| good	21.765 \| good	0.419 \| good
2026-09-06T14:00:00.000Z	52 \| moderate	9.645 \| good	35.72 \| good	15.194 \| good	0.614 \| good	19.278 \| good	0.395 \| good
2026-09-06T15:00:00.000Z	49 \| good	9.239 \| good	26.643 \| good	11.998 \| good	0.623 \| good	17.861 \| good	0.349 \| good
2026-09-06T16:00:00.000Z	44 \| good	8.187 \| good	27.198 \| good	11.856 \| good	0.561 \| good	14.485 \| good	0.34 \| good
2026-09-06T17:00:00.000Z	38 \| good	7.409 \| good	20.203 \| good	17.517 \| good	0.631 \| good	18.244 \| good	0.375 \| good
2026-09-06T18:00:00.000Z	44 \| good	8.283 \| good	17.799 \| good	17.115 \| good	0.577 \| good	16.805 \| good	0.371 \| good
2026-09-06T19:00:00.000Z	49 \| good	8.852 \| good	21.999 \| good	16.692 \| good	0.543 \| good	19.522 \| good	0.313 \| good
2026-09-06T20:00:00.000Z	49 \| good	8.646 \| good	29.673 \| good	17.452 \| good	0.538 \| good	20.263 \| good	0.317 \| good
2026-09-06T21:00:00.000Z	49 \| good	8.52 \| good	15.486 \| good	17.66 \| good	0.546 \| good	20.056 \| good	0.244 \| good
2026-09-06T22:00:00.000Z	49 \| good	8.709 \| good	19.321 \| good	17.615 \| good	0.543 \| good	15.293 \| good	0.244 \| good
2026-09-06T23:00:00.000Z	52 \| moderate	9.629 \| good	27.862 \| good	16.794 \| good	0.596 \| good	11.936 \| good	0.272 \| good
2026-09-07T00:00:00.000Z	49 \| good	9.413 \| good	20.168 \| good	14.676 \| good	0.624 \| good	9.185 \| good	0.275 \| good
2026-09-07T01:00:00.000Z	52 \| moderate	9.978 \| good	22.654 \| good	11.929 \| good	0.626 \| good	14.139 \| good	0.335 \| good
2026-09-07T02:00:00.000Z	52 \| moderate	10.134 \| good	18.167 \| good	11.164 \| good	0.563 \| good	16.066 \| good	0.342 \| good
2026-09-07T03:00:00.000Z	38 \| good	6.817 \| good	30.313 \| good	17.163 \| good	0.401 \| good	15.5 \| good	0.166 \| good
2026-09-07T04:00:00.000Z	52 \| moderate	10.282 \| good	18.803 \| good	6.899 \| good	0.576 \| good	16.951 \| good	0.457 \| good
2026-09-07T05:00:00.000Z	54 \| moderate	10.991 \| good	19.817 \| good	5.075 \| good	0.836 \| good	18.589 \| good	0.523 \| good
2026-09-07T06:00:00.000Z	49 \| good	9.499 \| good	21.704 \| good	5.513 \| good	0.729 \| good	18.566 \| good	0.573 \| good
2026-09-07T07:00:00.000Z	52 \| moderate	10.499 \| good	19.929 \| good	5.831 \| good	0.727 \| good	18.566 \| good	0.565 \| good
2026-09-07T08:00:00.000Z	52 \| moderate	10.252 \| good	20.449 \| good	6.055 \| good	0.733 \| good	16.276 \| good	0.515 \| good
2026-09-07T09:00:00.000Z	54 \| moderate	10.849 \| good	26.194 \| good	4.908 \| good	0.788 \| good	14.75 \| good	0.492 \| good
2026-09-07T10:00:00.000Z	52 \| moderate	9.816 \| good	19.499 \| good	5.38 \| good	0.667 \| good	13.534 \| good	0.402 \| good
2026-09-07T11:00:00.000Z	52 \| moderate	10 \| good	17.667 \| good	5.854 \| good	0.915 \| good	13.164 \| good	0.395 \| good
2026-09-07T11:00:00.000Z	52 \| moderate	10.08 \| good	16.529 \| good	5.481 \| good	0.943 \| good	13.377 \| good	0.395 \| good
2026-09-07T12:00:00.000Z	52 \| moderate	9.703 \| good	43.278 \| good	6.13 \| good	0.314 \| good	16.836 \| good	0.205 \| good
2026-09-07T13:00:00.000Z	49 \| good	8.911 \| good	39.506 \| good	4.907 \| good	0.311 \| good	16.54 \| good	0.202 \| good
2026-09-07T14:00:00.000Z	52 \| moderate	9.851 \| good	43.565 \| good	4.189 \| good	0.343 \| good	14.657 \| good	0.204 \| good
2026-09-07T15:00:00.000Z	49 \| good	8.754 \| good	38.694 \| good	8.96 \| good	0.422 \| good	12.828 \| good	0.213 \| good
2026-09-07T16:00:00.000Z	44 \| good	8.252 \| good	36.626 \| good	16.935 \| good	0.43 \| good	8.146 \| good	0.163 \| good
2026-09-07T17:00:00.000Z	52 \| moderate	9.72 \| good	42.822 \| good	26.613 \| good	0.37 \| good	4.368 \| good	0.126 \| good
2026-09-07T18:00:00.000Z	52 \| moderate	9.638 \| good	42.843 \| good	34.653 \| good	0.365 \| good	2.91 \| good	0.116 \| good
2026-09-07T19:00:00.000Z	54 \| moderate	10.504 \| good	46.157 \| good	45.239 \| good	0.392 \| good	2.403 \| good	0.114 \| good
2026-09-07T20:00:00.000Z	56 \| moderate	11.753 \| good	52.394 \| good	55.442 \| fine	0.448 \| good	2.207 \| good	0.113 \| good
2026-09-07T21:00:00.000Z	74 \| moderate	6.959 \| good	31.098 \| good	62.075 \| fine	0.528 \| good	2.055 \| good	0.113 \| good
2026-09-07T22:00:00.000Z	100 \| moderate	7.485 \| good	33.337 \| good	69.623 \| fine	0.619 \| good	1.998 \| good	0.113 \| good
2026-09-07T23:00:00.000Z	101 \| sensitive	8.795 \| good	38.674 \| good	70.892 \| fine	0.771 \| good	2.14 \| good	0.115 \| good
2026-09-08T00:00:00.000Z	64 \| moderate	7.821 \| good	34.101 \| good	58.873 \| fine	0.911 \| good	2.609 \| good	0.118 \| good
2026-09-08T01:00:00.000Z	40 \| good	7.146 \| good	31.817 \| good	43.432 \| good	1.08 \| good	3.886 \| good	0.125 \| good
2026-09-08T02:00:00.000Z	49 \| good	8.509 \| good	37.128 \| good	27.128 \| good	1.272 \| good	7.323 \| good	0.139 \| good
2026-09-08T03:00:00.000Z	38 \| good	6.841 \| good	30.416 \| good	21.313 \| good	1.437 \| good	12.687 \| good	0.161 \| good
2026-09-08T04:00:00.000Z	38 \| good	7.14 \| good	31.762 \| good	13.467 \| good	1.578 \| good	17.677 \| good	0.181 \| good
2026-09-08T05:00:00.000Z	38 \| good	7.126 \| good	31.692 \| good	9.06 \| good	1.677 \| good	21.944 \| good	0.198 \| good
2026-09-08T06:00:00.000Z	38 \| good	7.21 \| good	31.733 \| good	7.504 \| good	1.752 \| good	25.722 \| good	0.214 \| good
2026-09-08T07:00:00.000Z	38 \| good	6.588 \| good	29.405 \| good	6.181 \| good	1.758 \| good	28.527 \| good	0.229 \| good
2026-09-08T08:00:00.000Z	38 \| good	6.639 \| good	29.132 \| good	5.83 \| good	1.679 \| good	30.15 \| good	0.239 \| good
2026-09-08T09:00:00.000Z	38 \| good	7.135 \| good	31.069 \| good	5.33 \| good	1.558 \| good	29.839 \| good	0.24 \| good
2026-09-08T10:00:00.000Z	44 \| good	8.31 \| good	36.28 \| good	4.34 \| good	1.421 \| good	28.164 \| good	0.236 \| good
2026-09-08T11:00:00.000Z	49 \| good	9.087 \| good	40.658 \| good	3.977 \| good	1.291 \| good	26.032 \| good	0.229 \| good
2026-09-08T12:00:00.000Z	52 \| moderate	10.129 \| good	44.759 \| good	3.999 \| good	1.155 \| good	24.019 \| good	0.223 \| good
2026-09-08T13:00:00.000Z	54 \| moderate	10.642 \| good	46.834 \| good	3.949 \| good	1.011 \| good	22.66 \| good	0.22 \| good
2026-09-08T14:00:00.000Z	58 \| moderate	13.028 \| fine	58.976 \| fine	4.489 \| good	0.9 \| good	19.053 \| good	0.225 \| good
2026-09-08T15:00:00.000Z	62 \| moderate	14.691 \| fine	66.119 \| fine	7.919 \| good	0.849 \| good	15.098 \| good	0.234 \| good
2026-09-08T16:00:00.000Z	66 \| moderate	16.743 \| fine	74.492 \| fine	17.569 \| good	0.833 \| good	9.988 \| good	0.179 \| good
2026-09-08T17:00:00.000Z	73 \| moderate	20.657 \| fine	90.836 \| fine	32.674 \| good	0.844 \| good	7.627 \| good	0.154 \| good
2026-09-08T18:00:00.000Z	73 \| moderate	20.754 \| fine	90.743 \| fine	44.596 \| good	0.903 \| good	6.475 \| good	0.15 \| good
2026-09-08T19:00:00.000Z	67 \| moderate	17.855 \| fine	79.023 \| fine	52.572 \| good	0.952 \| good	5.312 \| good	0.147 \| good
2026-09-08T20:00:00.000Z	74 \| moderate	9.485 \| good	42.419 \| good	61.885 \| fine	0.99 \| good	4.363 \| good	0.144 \| good
2026-09-08T21:00:00.000Z	108 \| sensitive	10.37 \| good	46.222 \| good	72.672 \| moderate	1.022 \| good	3.695 \| good	0.143 \| good
2026-09-08T22:00:00.000Z	150 \| sensitive	10.148 \| good	44.761 \| good	84.75 \| moderate	1.059 \| good	3.34 \| good	0.142 \| good
2026-09-08T23:00:00.000Z	154 \| unhealthy	10.305 \| good	45.371 \| good	87.497 \| poor	1.157 \| good	3.478 \| good	0.143 \| good
2026-09-09T00:00:00.000Z	143 \| sensitive	11.489 \| good	51.077 \| good	83.209 \| moderate	1.263 \| good	4.116 \| good	0.145 \| good
2026-09-09T01:00:00.000Z	97 \| moderate	10.477 \| good	46.727 \| good	68.558 \| fine	1.303 \| good	5.596 \| good	0.148 \| good
2026-09-09T02:00:00.000Z	56 \| moderate	11.718 \| good	51.751 \| good	42.434 \| good	1.325 \| good	9.929 \| good	0.164 \| good
2026-09-09T03:00:00.000Z	38 \| good	7.044 \| good	31.413 \| good	33.825 \| good	1.344 \| good	15.204 \| good	0.186 \| good
2026-09-09T04:00:00.000Z	44 \| good	7.75 \| good	34.007 \| good	20.891 \| good	1.37 \| good	20.524 \| good	0.207 \| good
2026-09-09T05:00:00.000Z	44 \| good	8.487 \| good	37.118 \| good	13.741 \| good	1.404 \| good	24.326 \| good	0.226 \| good
2026-09-09T06:00:00.000Z	44 \| good	8.014 \| good	34.953 \| good	10.383 \| good	1.365 \| good	26.334 \| good	0.24 \| good
2026-09-09T07:00:00.000Z	49 \| good	9.322 \| good	41.765 \| good	10.695 \| good	1.3 \| good	26.592 \| good	0.249 \| good
2026-09-09T08:00:00.000Z	49 \| good	8.979 \| good	40.002 \| good	9.317 \| good	1.234 \| good	25.792 \| good	0.251 \| good
2026-09-09T09:00:00.000Z	44 \| good	8.218 \| good	36 \| good	9.601 \| good	1.175 \| good	25.516 \| good	0.252 \| good
2026-09-09T10:00:00.000Z	49 \| good	8.792 \| good	39.269 \| good	9.263 \| good	1.075 \| good	25.313 \| good	0.253 \| good
2026-09-09T11:00:00.000Z	52 \| moderate	9.728 \| good	43.197 \| good	8.813 \| good	0.945 \| good	24.703 \| good	0.253 \| good

Real-time air quality index in Rancho Cucamonga, California today

Common air pollutants in Rancho Cucamonga, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Rancho Cucamonga, California air quality forecast and history

Empower business decisions with accurate air quality data

Rancho Cucamonga, California air quality map: Real-time AQI near you

Air quality in nearby cities

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Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Rancho Cucamonga, California updated?

When did Rancho Cucamonga, California experience the worst air quality in the last 24 hours?

When did Rancho Cucamonga, California have its best air quality in the last 24 hours?

What is the real-time air quality index for Rancho Cucamonga, California?

Which pollutant is found most often in Rancho Cucamonga, California?

What can I do if the air quality in Rancho Cucamonga, California is poor?

What are the current PM2.5 levels in Rancho Cucamonga, California?

What are the current PM10 levels at Rancho Cucamonga, California?

What are the current carbon monoxide (CO) levels at Rancho Cucamonga, California?

What are the current sulfur dioxide (SO2) levels at Rancho Cucamonga, California?

What are the current ozone (O3) levels at Rancho Cucamonga, California?

What are the current nitrogen dioxide (NO2) levels at Rancho Cucamonga, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Rancho Cucamonga, California?

What are the current PM₁₀ levels at Rancho Cucamonga, California?

What are the current sulfur dioxide (SO₂) levels at Rancho Cucamonga, California?

What are the current ozone (O₃) levels at Rancho Cucamonga, California?

What are the current nitrogen dioxide (NO₂) levels at Rancho Cucamonga, California?