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

The current PM10 levels in Rancho Cucamonga, California are 27.543 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 1.007 ppb.

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

The current ozone (O3) levels at Rancho Cucamonga, California is 45.405 ppm.

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

The current nitrogen dioxide (NO2) levels at Rancho Cucamonga, California is 22.407 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 7.772 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)

Good

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)

7.77 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.54 μg/m³

155

255

425

605+

Ozone (O₃)

45.41 ppb

201

201+

Sulfur Dioxide (SO₂)

1.01 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Very high

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
2026-04-22T08:00:00.000Z	29 \| good	3.299 \| good	11.873 \| good	31.114 \| good	0.786 \| good	13.232 \| good	0.224 \| good
2026-04-22T09:00:00.000Z	29 \| good	4.058 \| good	13.034 \| good	30.856 \| good	0.851 \| good	12.752 \| good	0.22 \| good
2026-04-22T10:00:00.000Z	27 \| good	5.016 \| good	10.897 \| good	27.902 \| good	0.785 \| good	14.711 \| good	0.217 \| good
2026-04-22T11:00:00.000Z	33 \| good	5.655 \| good	14.53 \| good	26.634 \| good	0.883 \| good	17.347 \| good	0.292 \| good
2026-04-22T12:00:00.000Z	33 \| good	5.811 \| good	14.621 \| good	24.55 \| good	0.793 \| good	18.429 \| good	0.392 \| good
2026-04-22T13:00:00.000Z	38 \| good	6.555 \| good	25.437 \| good	25.725 \| good	0.852 \| good	30.619 \| good	0.407 \| good
2026-04-22T14:00:00.000Z	33 \| good	5.765 \| good	18.816 \| good	22.838 \| good	0.767 \| good	30.981 \| good	0.456 \| good
2026-04-22T15:00:00.000Z	38 \| good	6.721 \| good	26.275 \| good	24.425 \| good	0.841 \| good	24.922 \| good	0.368 \| good
2026-04-22T16:00:00.000Z	33 \| good	6.348 \| good	25.158 \| good	29.669 \| good	0.837 \| good	17.86 \| good	0.301 \| good
2026-04-22T17:00:00.000Z	33 \| good	6.453 \| good	19.009 \| good	34.258 \| good	0.761 \| good	10.94 \| good	0.227 \| good
2026-04-22T18:00:00.000Z	35 \| good	4.955 \| good	14.164 \| good	38.028 \| good	0.827 \| good	12.779 \| good	0.222 \| good
2026-04-22T19:00:00.000Z	40 \| good	4.745 \| good	15.772 \| good	43.344 \| good	0.752 \| good	13.552 \| good	0.222 \| good
2026-04-22T20:00:00.000Z	44 \| good	4.635 \| good	15.571 \| good	47.752 \| good	0.795 \| good	14.054 \| good	0.216 \| good
2026-04-22T21:00:00.000Z	46 \| good	3.142 \| good	19.362 \| good	49.643 \| good	0.784 \| good	12.745 \| good	0.216 \| good
2026-04-22T22:00:00.000Z	47 \| good	4.367 \| good	17.971 \| good	50.683 \| good	0.793 \| good	12.554 \| good	0.212 \| good
2026-04-22T23:00:00.000Z	49 \| good	4.435 \| good	20.851 \| good	53.134 \| good	0.827 \| good	13.581 \| good	0.212 \| good
2026-04-23T00:00:00.000Z	49 \| good	4.601 \| good	19.812 \| good	52.646 \| good	0.89 \| good	12.763 \| good	0.276 \| good
2026-04-23T01:00:00.000Z	47 \| good	5.586 \| good	26.642 \| good	51.394 \| good	0.896 \| good	12.469 \| good	0.276 \| good
2026-04-23T02:00:00.000Z	46 \| good	4.423 \| good	23.649 \| good	50.076 \| good	0.912 \| good	15.53 \| good	0.276 \| good
2026-04-23T03:00:00.000Z	44 \| good	4.53 \| good	25.454 \| good	47.193 \| good	0.913 \| good	17.922 \| good	0.282 \| good
2026-04-23T04:00:00.000Z	41 \| good	3.899 \| good	20.767 \| good	43.502 \| good	0.917 \| good	19.01 \| good	0.286 \| good
2026-04-23T05:00:00.000Z	36 \| good	5.277 \| good	21.051 \| good	39.093 \| good	1.082 \| good	18.058 \| good	0.286 \| good
2026-04-23T06:00:00.000Z	33 \| good	5.619 \| good	20.344 \| good	34.997 \| good	0.913 \| good	18.317 \| good	0.304 \| good
2026-04-23T07:00:00.000Z	28 \| good	5.376 \| good	21.796 \| good	30.486 \| good	0.987 \| good	18.549 \| good	0.308 \| good
2026-04-23T08:00:00.000Z	27 \| good	5.399 \| good	18.7 \| good	27.245 \| good	0.945 \| good	15.527 \| good	0.23 \| good
2026-04-23T09:00:00.000Z	27 \| good	5.073 \| good	23.639 \| good	23.921 \| good	0.944 \| good	17.775 \| good	0.239 \| good
2026-04-23T10:00:00.000Z	27 \| good	4.547 \| good	18.615 \| good	18.24 \| good	0.865 \| good	20.132 \| good	0.324 \| good
2026-04-23T11:00:00.000Z	38 \| good	6.515 \| good	20.953 \| good	14.597 \| good	0.961 \| good	25.644 \| good	0.303 \| good
2026-04-23T12:00:00.000Z	38 \| good	7.125 \| good	16.935 \| good	12.732 \| good	0.889 \| good	29.071 \| good	0.324 \| good
2026-04-23T13:00:00.000Z	44 \| good	7.65 \| good	18.908 \| good	13.236 \| good	0.947 \| good	30.867 \| good	0.521 \| good
2026-04-23T14:00:00.000Z	38 \| good	7.426 \| good	37.849 \| good	15.445 \| good	1.015 \| good	29 \| good	0.558 \| good
2026-04-23T15:00:00.000Z	38 \| good	7.259 \| good	37.871 \| good	18.184 \| good	1.007 \| good	27.702 \| good	0.42 \| good
2026-04-23T16:00:00.000Z	38 \| good	7.357 \| good	32.297 \| good	23.346 \| good	1.001 \| good	24.453 \| good	0.323 \| good
2026-04-23T17:00:00.000Z	44 \| good	7.744 \| good	34.84 \| good	28.929 \| good	0.985 \| good	22.595 \| good	0.312 \| good
2026-04-23T18:00:00.000Z	44 \| good	7.68 \| good	41.584 \| good	31.452 \| good	0.976 \| good	20.326 \| good	0.29 \| good
2026-04-23T19:00:00.000Z	44 \| good	7.556 \| good	32.207 \| good	37.976 \| good	0.95 \| good	17.487 \| good	0.244 \| good
2026-04-23T20:00:00.000Z	41 \| good	6.81 \| good	31.167 \| good	43.64 \| good	0.932 \| good	15.728 \| good	0.28 \| good
2026-04-23T21:00:00.000Z	46 \| good	7.388 \| good	28.623 \| good	50.476 \| good	0.948 \| good	12.909 \| good	0.227 \| good
2026-04-23T22:00:00.000Z	50 \| good	8.572 \| good	39.339 \| good	54.403 \| good	0.883 \| good	10.186 \| good	0.227 \| good
2026-04-23T23:00:00.000Z	61 \| moderate	8.13 \| good	32.469 \| good	58.007 \| fine	0.909 \| good	11.508 \| good	0.227 \| good
2026-04-24T00:00:00.000Z	61 \| moderate	7.07 \| good	37.741 \| good	58.16 \| fine	0.889 \| good	14.542 \| good	0.29 \| good
2026-04-24T01:00:00.000Z	58 \| moderate	7.748 \| good	35.358 \| good	56.599 \| fine	0.923 \| good	17.126 \| good	0.286 \| good
2026-04-24T02:00:00.000Z	61 \| moderate	9.013 \| good	37.193 \| good	57.97 \| fine	1.051 \| good	19.642 \| good	0.289 \| good
2026-04-24T03:00:00.000Z	58 \| moderate	12.591 \| fine	56.869 \| fine	47.353 \| good	4.443 \| good	13.604 \| good	0.189 \| good
2026-04-24T04:00:00.000Z	49 \| good	9.145 \| good	31.657 \| good	52.21 \| good	1.014 \| good	23.26 \| good	0.297 \| good
2026-04-24T05:00:00.000Z	44 \| good	8.464 \| good	33.068 \| good	46.708 \| good	1.165 \| good	24.554 \| good	0.297 \| good
2026-04-24T06:00:00.000Z	44 \| good	7.772 \| good	27.543 \| good	45.405 \| good	1.007 \| good	22.407 \| good	0.307 \| good
2026-04-24T07:00:00.000Z	44 \| good	7.772 \| good	27.543 \| good	45.405 \| good	1.007 \| good	22.407 \| good	0.307 \| good
2026-04-24T08:00:00.000Z	58 \| moderate	12.799 \| fine	57.086 \| fine	26.892 \| good	4.511 \| good	24.878 \| good	0.256 \| good
2026-04-24T09:00:00.000Z	60 \| moderate	13.939 \| fine	62.677 \| fine	23.213 \| good	4.544 \| good	25.565 \| good	0.265 \| good
2026-04-24T10:00:00.000Z	60 \| moderate	14.098 \| fine	63.389 \| fine	20.385 \| good	4.717 \| good	25.109 \| good	0.264 \| good
2026-04-24T11:00:00.000Z	62 \| moderate	14.585 \| fine	65.408 \| fine	15.582 \| good	4.89 \| good	24.653 \| good	0.264 \| good
2026-04-24T12:00:00.000Z	62 \| moderate	14.744 \| fine	65.883 \| fine	10.829 \| good	5.062 \| good	24.196 \| good	0.264 \| good
2026-04-24T13:00:00.000Z	69 \| moderate	19.486 \| fine	86.039 \| fine	12.683 \| good	5.076 \| good	21.114 \| good	0.258 \| good
2026-04-24T14:00:00.000Z	69 \| moderate	19.153 \| fine	84.564 \| fine	20.304 \| good	5.09 \| good	18.031 \| good	0.251 \| good
2026-04-24T15:00:00.000Z	71 \| moderate	19.919 \| fine	87.127 \| fine	30.352 \| good	5.104 \| good	14.948 \| good	0.245 \| good
2026-04-24T16:00:00.000Z	71 \| moderate	19.607 \| fine	86.16 \| fine	41.294 \| good	4.451 \| good	11.382 \| good	0.217 \| good
2026-04-24T17:00:00.000Z	58 \| moderate	13.461 \| fine	60.322 \| fine	47.896 \| good	3.798 \| good	7.816 \| good	0.188 \| good
2026-04-24T18:00:00.000Z	54 \| moderate	10.917 \| good	48.494 \| good	55.15 \| fine	3.145 \| good	4.25 \| good	0.159 \| good
2026-04-24T19:00:00.000Z	67 \| moderate	8.537 \| good	37.774 \| good	59.887 \| fine	2.655 \| good	3.376 \| good	0.153 \| good
2026-04-24T20:00:00.000Z	77 \| moderate	6.245 \| good	27.434 \| good	63.296 \| fine	2.165 \| good	2.503 \| good	0.146 \| good
2026-04-24T21:00:00.000Z	87 \| moderate	5.627 \| good	24.053 \| good	65.689 \| fine	1.675 \| good	1.63 \| good	0.14 \| good
2026-04-24T22:00:00.000Z	87 \| moderate	5.172 \| good	22.148 \| good	65.566 \| fine	1.569 \| good	1.86 \| good	0.14 \| good
2026-04-24T23:00:00.000Z	84 \| moderate	5.849 \| good	25.302 \| good	64.571 \| fine	1.463 \| good	2.091 \| good	0.139 \| good
2026-04-25T00:00:00.000Z	58 \| moderate	6.498 \| good	28.921 \| good	56.901 \| fine	1.358 \| good	2.322 \| good	0.139 \| good
2026-04-25T01:00:00.000Z	47 \| good	6.852 \| good	30.331 \| good	50.94 \| good	1.559 \| good	4.007 \| good	0.146 \| good
2026-04-25T02:00:00.000Z	48 \| good	7.542 \| good	33.17 \| good	52.248 \| good	1.76 \| good	5.692 \| good	0.153 \| good
2026-04-25T03:00:00.000Z	49 \| good	8.628 \| good	37.894 \| good	49.54 \| good	1.961 \| good	7.377 \| good	0.16 \| good
2026-04-25T04:00:00.000Z	49 \| good	9.211 \| good	41.401 \| good	48.475 \| good	2.063 \| good	8.861 \| good	0.167 \| good
2026-04-25T05:00:00.000Z	52 \| moderate	10.38 \| good	46.165 \| good	48.375 \| good	2.164 \| good	10.344 \| good	0.173 \| good
2026-04-25T06:00:00.000Z	49 \| good	8.809 \| good	38.479 \| good	48.554 \| good	2.265 \| good	11.828 \| good	0.18 \| good
2026-04-25T07:00:00.000Z	49 \| good	9.088 \| good	40.059 \| good	48.04 \| good	2.171 \| good	10.15 \| good	0.173 \| good
2026-04-25T08:00:00.000Z	52 \| moderate	10.199 \| good	45.172 \| good	47.346 \| good	2.076 \| good	8.472 \| good	0.166 \| good
2026-04-25T09:00:00.000Z	54 \| moderate	11.113 \| good	49.27 \| good	44.483 \| good	1.982 \| good	6.794 \| good	0.159 \| good
2026-04-25T10:00:00.000Z	52 \| moderate	9.84 \| good	43.658 \| good	43.446 \| good	1.743 \| good	5.805 \| good	0.153 \| good
2026-04-25T11:00:00.000Z	49 \| good	9.35 \| good	41.756 \| good	39.45 \| good	1.504 \| good	4.816 \| good	0.147 \| good
2026-04-25T12:00:00.000Z	44 \| good	7.507 \| good	32.978 \| good	35.634 \| good	1.266 \| good	3.828 \| good	0.141 \| good
2026-04-25T13:00:00.000Z	31 \| good	4.735 \| good	20.328 \| good	33.331 \| good	1.098 \| good	3.683 \| good	0.14 \| good
2026-04-25T14:00:00.000Z	33 \| good	5.606 \| good	24.448 \| good	36.067 \| good	0.931 \| good	3.537 \| good	0.138 \| good
2026-04-25T15:00:00.000Z	39 \| good	4.593 \| good	19.74 \| good	41.607 \| good	0.764 \| good	3.392 \| good	0.136 \| good
2026-04-25T16:00:00.000Z	43 \| good	6.207 \| good	27.331 \| good	45.984 \| good	0.723 \| good	3.005 \| good	0.134 \| good
2026-04-25T17:00:00.000Z	45 \| good	3.729 \| good	16.594 \| good	48.971 \| good	0.681 \| good	2.618 \| good	0.132 \| good
2026-04-25T18:00:00.000Z	47 \| good	5.115 \| good	22.109 \| good	51.314 \| good	0.64 \| good	2.231 \| good	0.131 \| good
2026-04-25T19:00:00.000Z	49 \| good	3.818 \| good	16.718 \| good	52.94 \| good	0.639 \| good	1.902 \| good	0.129 \| good
2026-04-25T20:00:00.000Z	54 \| moderate	5.044 \| good	22.031 \| good	55.96 \| fine	0.638 \| good	1.574 \| good	0.128 \| good
2026-04-25T21:00:00.000Z	64 \| moderate	5.372 \| good	23.261 \| good	58.755 \| fine	0.637 \| good	1.246 \| good	0.126 \| good
2026-04-25T22:00:00.000Z	64 \| moderate	5.008 \| good	21.439 \| good	59.125 \| fine	0.685 \| good	1.648 \| good	0.126 \| good
2026-04-25T23:00:00.000Z	58 \| moderate	4.807 \| good	20.946 \| good	57.342 \| fine	0.733 \| good	2.05 \| good	0.126 \| good
2026-04-26T00:00:00.000Z	49 \| good	5.956 \| good	26.616 \| good	52.516 \| good	0.781 \| good	2.453 \| good	0.127 \| good
2026-04-26T01:00:00.000Z	46 \| good	5.332 \| good	23.204 \| good	49.571 \| good	0.85 \| good	3.186 \| good	0.127 \| good
2026-04-26T02:00:00.000Z	41 \| good	4.455 \| good	19.418 \| good	44.181 \| good	0.919 \| good	3.918 \| good	0.128 \| good
2026-04-26T03:00:00.000Z	42 \| good	5.01 \| good	21.411 \| good	45.373 \| good	0.989 \| good	4.651 \| good	0.129 \| good
2026-04-26T04:00:00.000Z	39 \| good	4.473 \| good	19.388 \| good	42.435 \| good	1.144 \| good	5.074 \| good	0.129 \| good
2026-04-26T05:00:00.000Z	38 \| good	5.09 \| good	22.131 \| good	40.667 \| good	1.3 \| good	5.497 \| good	0.129 \| good
2026-04-26T06:00:00.000Z	49 \| good	9.386 \| good	14.957 \| good	38.923 \| good	1.469 \| good	5.994 \| good	0.129 \| good
2026-04-26T07:00:00.000Z	37 \| good	3.668 \| good	16.054 \| good	40.225 \| good	1.537 \| good	6.07 \| good	0.129 \| good

Rancho Cucamonga

Empower business decisions with accurate air quality data

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

0.28ppm

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 02:00:00 on 2026-04-24.

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 10:00:00 on 2026-04-23.

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

The real-time air quality index in Rancho Cucamonga, California is 44, currently categorized as Good.

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 7.772 μg/m³.

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

The current PM₁₀ levels in Rancho Cucamonga, California are 27.543 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 0.307 ppm.

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

The current sulfur dioxide (SO₂) levels in Rancho Cucamonga, California are 1.007 ppb.

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

The current ozone (O₃) levels at Rancho Cucamonga, California is 45.405 ppm.

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

The current nitrogen dioxide (NO₂) levels at Rancho Cucamonga, California is 22.407 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T08:00:00.000Z	29 \| good	3.299 \| good	11.873 \| good	31.114 \| good	0.786 \| good	13.232 \| good	0.224 \| good
2026-04-22T09:00:00.000Z	29 \| good	4.058 \| good	13.034 \| good	30.856 \| good	0.851 \| good	12.752 \| good	0.22 \| good
2026-04-22T10:00:00.000Z	27 \| good	5.016 \| good	10.897 \| good	27.902 \| good	0.785 \| good	14.711 \| good	0.217 \| good
2026-04-22T11:00:00.000Z	33 \| good	5.655 \| good	14.53 \| good	26.634 \| good	0.883 \| good	17.347 \| good	0.292 \| good
2026-04-22T12:00:00.000Z	33 \| good	5.811 \| good	14.621 \| good	24.55 \| good	0.793 \| good	18.429 \| good	0.392 \| good
2026-04-22T13:00:00.000Z	38 \| good	6.555 \| good	25.437 \| good	25.725 \| good	0.852 \| good	30.619 \| good	0.407 \| good
2026-04-22T14:00:00.000Z	33 \| good	5.765 \| good	18.816 \| good	22.838 \| good	0.767 \| good	30.981 \| good	0.456 \| good
2026-04-22T15:00:00.000Z	38 \| good	6.721 \| good	26.275 \| good	24.425 \| good	0.841 \| good	24.922 \| good	0.368 \| good
2026-04-22T16:00:00.000Z	33 \| good	6.348 \| good	25.158 \| good	29.669 \| good	0.837 \| good	17.86 \| good	0.301 \| good
2026-04-22T17:00:00.000Z	33 \| good	6.453 \| good	19.009 \| good	34.258 \| good	0.761 \| good	10.94 \| good	0.227 \| good
2026-04-22T18:00:00.000Z	35 \| good	4.955 \| good	14.164 \| good	38.028 \| good	0.827 \| good	12.779 \| good	0.222 \| good
2026-04-22T19:00:00.000Z	40 \| good	4.745 \| good	15.772 \| good	43.344 \| good	0.752 \| good	13.552 \| good	0.222 \| good
2026-04-22T20:00:00.000Z	44 \| good	4.635 \| good	15.571 \| good	47.752 \| good	0.795 \| good	14.054 \| good	0.216 \| good
2026-04-22T21:00:00.000Z	46 \| good	3.142 \| good	19.362 \| good	49.643 \| good	0.784 \| good	12.745 \| good	0.216 \| good
2026-04-22T22:00:00.000Z	47 \| good	4.367 \| good	17.971 \| good	50.683 \| good	0.793 \| good	12.554 \| good	0.212 \| good
2026-04-22T23:00:00.000Z	49 \| good	4.435 \| good	20.851 \| good	53.134 \| good	0.827 \| good	13.581 \| good	0.212 \| good
2026-04-23T00:00:00.000Z	49 \| good	4.601 \| good	19.812 \| good	52.646 \| good	0.89 \| good	12.763 \| good	0.276 \| good
2026-04-23T01:00:00.000Z	47 \| good	5.586 \| good	26.642 \| good	51.394 \| good	0.896 \| good	12.469 \| good	0.276 \| good
2026-04-23T02:00:00.000Z	46 \| good	4.423 \| good	23.649 \| good	50.076 \| good	0.912 \| good	15.53 \| good	0.276 \| good
2026-04-23T03:00:00.000Z	44 \| good	4.53 \| good	25.454 \| good	47.193 \| good	0.913 \| good	17.922 \| good	0.282 \| good
2026-04-23T04:00:00.000Z	41 \| good	3.899 \| good	20.767 \| good	43.502 \| good	0.917 \| good	19.01 \| good	0.286 \| good
2026-04-23T05:00:00.000Z	36 \| good	5.277 \| good	21.051 \| good	39.093 \| good	1.082 \| good	18.058 \| good	0.286 \| good
2026-04-23T06:00:00.000Z	33 \| good	5.619 \| good	20.344 \| good	34.997 \| good	0.913 \| good	18.317 \| good	0.304 \| good
2026-04-23T07:00:00.000Z	28 \| good	5.376 \| good	21.796 \| good	30.486 \| good	0.987 \| good	18.549 \| good	0.308 \| good
2026-04-23T08:00:00.000Z	27 \| good	5.399 \| good	18.7 \| good	27.245 \| good	0.945 \| good	15.527 \| good	0.23 \| good
2026-04-23T09:00:00.000Z	27 \| good	5.073 \| good	23.639 \| good	23.921 \| good	0.944 \| good	17.775 \| good	0.239 \| good
2026-04-23T10:00:00.000Z	27 \| good	4.547 \| good	18.615 \| good	18.24 \| good	0.865 \| good	20.132 \| good	0.324 \| good
2026-04-23T11:00:00.000Z	38 \| good	6.515 \| good	20.953 \| good	14.597 \| good	0.961 \| good	25.644 \| good	0.303 \| good
2026-04-23T12:00:00.000Z	38 \| good	7.125 \| good	16.935 \| good	12.732 \| good	0.889 \| good	29.071 \| good	0.324 \| good
2026-04-23T13:00:00.000Z	44 \| good	7.65 \| good	18.908 \| good	13.236 \| good	0.947 \| good	30.867 \| good	0.521 \| good
2026-04-23T14:00:00.000Z	38 \| good	7.426 \| good	37.849 \| good	15.445 \| good	1.015 \| good	29 \| good	0.558 \| good
2026-04-23T15:00:00.000Z	38 \| good	7.259 \| good	37.871 \| good	18.184 \| good	1.007 \| good	27.702 \| good	0.42 \| good
2026-04-23T16:00:00.000Z	38 \| good	7.357 \| good	32.297 \| good	23.346 \| good	1.001 \| good	24.453 \| good	0.323 \| good
2026-04-23T17:00:00.000Z	44 \| good	7.744 \| good	34.84 \| good	28.929 \| good	0.985 \| good	22.595 \| good	0.312 \| good
2026-04-23T18:00:00.000Z	44 \| good	7.68 \| good	41.584 \| good	31.452 \| good	0.976 \| good	20.326 \| good	0.29 \| good
2026-04-23T19:00:00.000Z	44 \| good	7.556 \| good	32.207 \| good	37.976 \| good	0.95 \| good	17.487 \| good	0.244 \| good
2026-04-23T20:00:00.000Z	41 \| good	6.81 \| good	31.167 \| good	43.64 \| good	0.932 \| good	15.728 \| good	0.28 \| good
2026-04-23T21:00:00.000Z	46 \| good	7.388 \| good	28.623 \| good	50.476 \| good	0.948 \| good	12.909 \| good	0.227 \| good
2026-04-23T22:00:00.000Z	50 \| good	8.572 \| good	39.339 \| good	54.403 \| good	0.883 \| good	10.186 \| good	0.227 \| good
2026-04-23T23:00:00.000Z	61 \| moderate	8.13 \| good	32.469 \| good	58.007 \| fine	0.909 \| good	11.508 \| good	0.227 \| good
2026-04-24T00:00:00.000Z	61 \| moderate	7.07 \| good	37.741 \| good	58.16 \| fine	0.889 \| good	14.542 \| good	0.29 \| good
2026-04-24T01:00:00.000Z	58 \| moderate	7.748 \| good	35.358 \| good	56.599 \| fine	0.923 \| good	17.126 \| good	0.286 \| good
2026-04-24T02:00:00.000Z	61 \| moderate	9.013 \| good	37.193 \| good	57.97 \| fine	1.051 \| good	19.642 \| good	0.289 \| good
2026-04-24T03:00:00.000Z	58 \| moderate	12.591 \| fine	56.869 \| fine	47.353 \| good	4.443 \| good	13.604 \| good	0.189 \| good
2026-04-24T04:00:00.000Z	49 \| good	9.145 \| good	31.657 \| good	52.21 \| good	1.014 \| good	23.26 \| good	0.297 \| good
2026-04-24T05:00:00.000Z	44 \| good	8.464 \| good	33.068 \| good	46.708 \| good	1.165 \| good	24.554 \| good	0.297 \| good
2026-04-24T06:00:00.000Z	44 \| good	7.772 \| good	27.543 \| good	45.405 \| good	1.007 \| good	22.407 \| good	0.307 \| good
2026-04-24T07:00:00.000Z	44 \| good	7.772 \| good	27.543 \| good	45.405 \| good	1.007 \| good	22.407 \| good	0.307 \| good
2026-04-24T08:00:00.000Z	58 \| moderate	12.799 \| fine	57.086 \| fine	26.892 \| good	4.511 \| good	24.878 \| good	0.256 \| good
2026-04-24T09:00:00.000Z	60 \| moderate	13.939 \| fine	62.677 \| fine	23.213 \| good	4.544 \| good	25.565 \| good	0.265 \| good
2026-04-24T10:00:00.000Z	60 \| moderate	14.098 \| fine	63.389 \| fine	20.385 \| good	4.717 \| good	25.109 \| good	0.264 \| good
2026-04-24T11:00:00.000Z	62 \| moderate	14.585 \| fine	65.408 \| fine	15.582 \| good	4.89 \| good	24.653 \| good	0.264 \| good
2026-04-24T12:00:00.000Z	62 \| moderate	14.744 \| fine	65.883 \| fine	10.829 \| good	5.062 \| good	24.196 \| good	0.264 \| good
2026-04-24T13:00:00.000Z	69 \| moderate	19.486 \| fine	86.039 \| fine	12.683 \| good	5.076 \| good	21.114 \| good	0.258 \| good
2026-04-24T14:00:00.000Z	69 \| moderate	19.153 \| fine	84.564 \| fine	20.304 \| good	5.09 \| good	18.031 \| good	0.251 \| good
2026-04-24T15:00:00.000Z	71 \| moderate	19.919 \| fine	87.127 \| fine	30.352 \| good	5.104 \| good	14.948 \| good	0.245 \| good
2026-04-24T16:00:00.000Z	71 \| moderate	19.607 \| fine	86.16 \| fine	41.294 \| good	4.451 \| good	11.382 \| good	0.217 \| good
2026-04-24T17:00:00.000Z	58 \| moderate	13.461 \| fine	60.322 \| fine	47.896 \| good	3.798 \| good	7.816 \| good	0.188 \| good
2026-04-24T18:00:00.000Z	54 \| moderate	10.917 \| good	48.494 \| good	55.15 \| fine	3.145 \| good	4.25 \| good	0.159 \| good
2026-04-24T19:00:00.000Z	67 \| moderate	8.537 \| good	37.774 \| good	59.887 \| fine	2.655 \| good	3.376 \| good	0.153 \| good
2026-04-24T20:00:00.000Z	77 \| moderate	6.245 \| good	27.434 \| good	63.296 \| fine	2.165 \| good	2.503 \| good	0.146 \| good
2026-04-24T21:00:00.000Z	87 \| moderate	5.627 \| good	24.053 \| good	65.689 \| fine	1.675 \| good	1.63 \| good	0.14 \| good
2026-04-24T22:00:00.000Z	87 \| moderate	5.172 \| good	22.148 \| good	65.566 \| fine	1.569 \| good	1.86 \| good	0.14 \| good
2026-04-24T23:00:00.000Z	84 \| moderate	5.849 \| good	25.302 \| good	64.571 \| fine	1.463 \| good	2.091 \| good	0.139 \| good
2026-04-25T00:00:00.000Z	58 \| moderate	6.498 \| good	28.921 \| good	56.901 \| fine	1.358 \| good	2.322 \| good	0.139 \| good
2026-04-25T01:00:00.000Z	47 \| good	6.852 \| good	30.331 \| good	50.94 \| good	1.559 \| good	4.007 \| good	0.146 \| good
2026-04-25T02:00:00.000Z	48 \| good	7.542 \| good	33.17 \| good	52.248 \| good	1.76 \| good	5.692 \| good	0.153 \| good
2026-04-25T03:00:00.000Z	49 \| good	8.628 \| good	37.894 \| good	49.54 \| good	1.961 \| good	7.377 \| good	0.16 \| good
2026-04-25T04:00:00.000Z	49 \| good	9.211 \| good	41.401 \| good	48.475 \| good	2.063 \| good	8.861 \| good	0.167 \| good
2026-04-25T05:00:00.000Z	52 \| moderate	10.38 \| good	46.165 \| good	48.375 \| good	2.164 \| good	10.344 \| good	0.173 \| good
2026-04-25T06:00:00.000Z	49 \| good	8.809 \| good	38.479 \| good	48.554 \| good	2.265 \| good	11.828 \| good	0.18 \| good
2026-04-25T07:00:00.000Z	49 \| good	9.088 \| good	40.059 \| good	48.04 \| good	2.171 \| good	10.15 \| good	0.173 \| good
2026-04-25T08:00:00.000Z	52 \| moderate	10.199 \| good	45.172 \| good	47.346 \| good	2.076 \| good	8.472 \| good	0.166 \| good
2026-04-25T09:00:00.000Z	54 \| moderate	11.113 \| good	49.27 \| good	44.483 \| good	1.982 \| good	6.794 \| good	0.159 \| good
2026-04-25T10:00:00.000Z	52 \| moderate	9.84 \| good	43.658 \| good	43.446 \| good	1.743 \| good	5.805 \| good	0.153 \| good
2026-04-25T11:00:00.000Z	49 \| good	9.35 \| good	41.756 \| good	39.45 \| good	1.504 \| good	4.816 \| good	0.147 \| good
2026-04-25T12:00:00.000Z	44 \| good	7.507 \| good	32.978 \| good	35.634 \| good	1.266 \| good	3.828 \| good	0.141 \| good
2026-04-25T13:00:00.000Z	31 \| good	4.735 \| good	20.328 \| good	33.331 \| good	1.098 \| good	3.683 \| good	0.14 \| good
2026-04-25T14:00:00.000Z	33 \| good	5.606 \| good	24.448 \| good	36.067 \| good	0.931 \| good	3.537 \| good	0.138 \| good
2026-04-25T15:00:00.000Z	39 \| good	4.593 \| good	19.74 \| good	41.607 \| good	0.764 \| good	3.392 \| good	0.136 \| good
2026-04-25T16:00:00.000Z	43 \| good	6.207 \| good	27.331 \| good	45.984 \| good	0.723 \| good	3.005 \| good	0.134 \| good
2026-04-25T17:00:00.000Z	45 \| good	3.729 \| good	16.594 \| good	48.971 \| good	0.681 \| good	2.618 \| good	0.132 \| good
2026-04-25T18:00:00.000Z	47 \| good	5.115 \| good	22.109 \| good	51.314 \| good	0.64 \| good	2.231 \| good	0.131 \| good
2026-04-25T19:00:00.000Z	49 \| good	3.818 \| good	16.718 \| good	52.94 \| good	0.639 \| good	1.902 \| good	0.129 \| good
2026-04-25T20:00:00.000Z	54 \| moderate	5.044 \| good	22.031 \| good	55.96 \| fine	0.638 \| good	1.574 \| good	0.128 \| good
2026-04-25T21:00:00.000Z	64 \| moderate	5.372 \| good	23.261 \| good	58.755 \| fine	0.637 \| good	1.246 \| good	0.126 \| good
2026-04-25T22:00:00.000Z	64 \| moderate	5.008 \| good	21.439 \| good	59.125 \| fine	0.685 \| good	1.648 \| good	0.126 \| good
2026-04-25T23:00:00.000Z	58 \| moderate	4.807 \| good	20.946 \| good	57.342 \| fine	0.733 \| good	2.05 \| good	0.126 \| good
2026-04-26T00:00:00.000Z	49 \| good	5.956 \| good	26.616 \| good	52.516 \| good	0.781 \| good	2.453 \| good	0.127 \| good
2026-04-26T01:00:00.000Z	46 \| good	5.332 \| good	23.204 \| good	49.571 \| good	0.85 \| good	3.186 \| good	0.127 \| good
2026-04-26T02:00:00.000Z	41 \| good	4.455 \| good	19.418 \| good	44.181 \| good	0.919 \| good	3.918 \| good	0.128 \| good
2026-04-26T03:00:00.000Z	42 \| good	5.01 \| good	21.411 \| good	45.373 \| good	0.989 \| good	4.651 \| good	0.129 \| good
2026-04-26T04:00:00.000Z	39 \| good	4.473 \| good	19.388 \| good	42.435 \| good	1.144 \| good	5.074 \| good	0.129 \| good
2026-04-26T05:00:00.000Z	38 \| good	5.09 \| good	22.131 \| good	40.667 \| good	1.3 \| good	5.497 \| good	0.129 \| good
2026-04-26T06:00:00.000Z	49 \| good	9.386 \| good	14.957 \| good	38.923 \| good	1.469 \| good	5.994 \| good	0.129 \| good
2026-04-26T07:00:00.000Z	37 \| good	3.668 \| good	16.054 \| good	40.225 \| good	1.537 \| good	6.07 \| good	0.129 \| 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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Ontario, California

Montclair, California

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Fontana, California

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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?