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

The current PM10 levels in Rancho Cucamonga, California are 26.257 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 0.838 ppb.

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

The current ozone (O3) levels at Rancho Cucamonga, California is 38.059 ppm.

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

The current nitrogen dioxide (NO2) levels at Rancho Cucamonga, California is 10.57 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 6.66 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)

6.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

26.26 μg/m³

155

255

425

605+

Ozone (O₃)

38.06 ppb

201

201+

Sulfur Dioxide (SO₂)

0.84 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.57 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-07T21:00:00.000Z	39 \| good	6.527 \| good	32.201 \| good	42.051 \| good	0.665 \| good	1.704 \| good	0.107 \| good
2026-03-07T22:00:00.000Z	40 \| good	2.352 \| good	28.486 \| good	43.195 \| good	0.636 \| good	1.468 \| good	0.107 \| good
2026-03-07T23:00:00.000Z	40 \| good	2.802 \| good	27.35 \| good	42.972 \| good	0.664 \| good	1.444 \| good	0.107 \| good
2026-03-08T00:00:00.000Z	39 \| good	3.204 \| good	23.638 \| good	42.044 \| good	0.634 \| good	1.424 \| good	0.107 \| good
2026-03-08T01:00:00.000Z	38 \| good	3.055 \| good	22.117 \| good	41.407 \| good	0.66 \| good	1.671 \| good	0.107 \| good
2026-03-08T02:00:00.000Z	38 \| good	3.264 \| good	21.989 \| good	40.756 \| good	0.626 \| good	2.295 \| good	0.111 \| good
2026-03-08T03:00:00.000Z	39 \| good	1.986 \| good	8.071 \| good	41.82 \| good	0.648 \| good	9.929 \| good	0.168 \| good
2026-03-08T04:00:00.000Z	35 \| good	3.516 \| good	14.445 \| good	37.598 \| good	0.644 \| good	3.524 \| good	0.134 \| good
2026-03-08T05:00:00.000Z	36 \| good	3.911 \| good	15.707 \| good	38.662 \| good	0.79 \| good	2.66 \| good	0.163 \| good
2026-03-08T06:00:00.000Z	37 \| good	3.97 \| good	14.94 \| good	39.733 \| good	0.626 \| good	2.413 \| good	0.184 \| good
2026-03-08T07:00:00.000Z	35 \| good	3.724 \| good	13.291 \| good	37.616 \| good	0.634 \| good	2.413 \| good	0.184 \| good
2026-03-08T08:00:00.000Z	38 \| good	3.651 \| good	26.095 \| good	41.032 \| good	0.628 \| good	1.776 \| good	0.155 \| good
2026-03-08T09:00:00.000Z	38 \| good	2.968 \| good	28.404 \| good	40.759 \| good	0.675 \| good	1.494 \| good	0.144 \| good
2026-03-08T10:00:00.000Z	37 \| good	3.108 \| good	33.394 \| good	40.057 \| good	0.675 \| good	1.494 \| good	0.144 \| good
2026-03-08T11:00:00.000Z	36 \| good	3.435 \| good	37.61 \| good	38.976 \| good	0.679 \| good	1.494 \| good	0.144 \| good
2026-03-08T12:00:00.000Z	38 \| good	2.722 \| good	10.778 \| good	40.613 \| good	0.44 \| good	9.004 \| good	0.409 \| good
2026-03-08T13:00:00.000Z	37 \| good	2.234 \| good	8.158 \| good	40.045 \| good	0.597 \| good	10.315 \| good	0.409 \| good
2026-03-08T14:00:00.000Z	33 \| good	4.515 \| good	12.399 \| good	36.391 \| good	0.635 \| good	1.542 \| good	0.203 \| good
2026-03-08T15:00:00.000Z	35 \| good	3.791 \| good	11.811 \| good	38.091 \| good	0.744 \| good	3.362 \| good	0.219 \| good
2026-03-08T16:00:00.000Z	32 \| good	3.686 \| good	15.453 \| good	34.554 \| good	0.683 \| good	1.742 \| good	0.207 \| good
2026-03-08T17:00:00.000Z	37 \| good	3.438 \| good	15.656 \| good	39.861 \| good	0.67 \| good	1.813 \| good	0.177 \| good
2026-03-08T18:00:00.000Z	37 \| good	2.137 \| good	13.809 \| good	40.485 \| good	0.636 \| good	1.307 \| good	0.149 \| good
2026-03-08T19:00:00.000Z	41 \| good	3.42 \| good	21.403 \| good	44.025 \| good	0.641 \| good	1.336 \| good	0.128 \| good
2026-03-08T20:00:00.000Z	41 \| good	4.421 \| good	20.83 \| good	43.817 \| good	0.64 \| good	1.555 \| good	0.12 \| good
2026-03-08T21:00:00.000Z	42 \| good	4.631 \| good	24.992 \| good	45.283 \| good	0.678 \| good	1.6 \| good	0.114 \| good
2026-03-08T22:00:00.000Z	44 \| good	1.451 \| good	19.323 \| good	47.018 \| good	0.763 \| good	1.88 \| good	0.114 \| good
2026-03-08T23:00:00.000Z	45 \| good	2.383 \| good	15.945 \| good	48.659 \| good	0.706 \| good	1.77 \| good	0.113 \| good
2026-03-09T00:00:00.000Z	45 \| good	2.517 \| good	15.541 \| good	49.135 \| good	0.711 \| good	2.252 \| good	0.12 \| good
2026-03-09T01:00:00.000Z	44 \| good	2.151 \| good	21.007 \| good	48.099 \| good	0.73 \| good	2.184 \| good	0.113 \| good
2026-03-09T02:00:00.000Z	42 \| good	2.632 \| good	16.298 \| good	45.391 \| good	0.731 \| good	3.087 \| good	0.117 \| good
2026-03-09T03:00:00.000Z	44 \| good	8.163 \| good	36.074 \| good	38.461 \| good	1.232 \| good	27.852 \| good	0.261 \| good
2026-03-09T04:00:00.000Z	35 \| good	5.05 \| good	21.225 \| good	37.905 \| good	0.704 \| good	12.457 \| good	0.257 \| good
2026-03-09T05:00:00.000Z	31 \| good	4.146 \| good	17.069 \| good	33.341 \| good	0.939 \| good	16.882 \| good	0.248 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.773 \| good	23.541 \| good	36.219 \| good	0.672 \| good	22.854 \| good	0.231 \| good
2026-03-09T07:00:00.000Z	31 \| good	5.066 \| good	25.897 \| good	33.927 \| good	0.678 \| good	22.854 \| good	0.231 \| good
2026-03-09T08:00:00.000Z	33 \| good	5.734 \| good	20.754 \| good	29.37 \| good	0.83 \| good	31.808 \| good	0.422 \| good
2026-03-09T09:00:00.000Z	44 \| good	7.738 \| good	27.178 \| good	27.469 \| good	0.828 \| good	17.683 \| good	0.241 \| good
2026-03-09T10:00:00.000Z	38 \| good	6.999 \| good	26.573 \| good	24.493 \| good	0.708 \| good	10.567 \| good	0.198 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.83 \| good	20.95 \| good	22.218 \| good	0.761 \| good	17.944 \| good	0.207 \| good
2026-03-09T12:00:00.000Z	27 \| good	5.38 \| good	24.762 \| good	24.299 \| good	0.673 \| good	23.473 \| good	0.298 \| good
2026-03-09T13:00:00.000Z	27 \| good	5.424 \| good	23.912 \| good	23.46 \| good	0.67 \| good	23.473 \| good	0.298 \| good
2026-03-09T14:00:00.000Z	32 \| good	5.454 \| good	27.643 \| good	14.321 \| good	0.804 \| good	34.426 \| good	0.48 \| good
2026-03-09T15:00:00.000Z	44 \| good	8.354 \| good	36.53 \| good	16.241 \| good	0.973 \| good	34.589 \| good	0.619 \| good
2026-03-09T16:00:00.000Z	54 \| moderate	11.179 \| good	51.057 \| good	12.881 \| good	1.1 \| good	36.773 \| good	0.517 \| good
2026-03-09T17:00:00.000Z	56 \| moderate	12.007 \| good	49.104 \| good	16.141 \| good	1.026 \| good	30.074 \| good	0.33 \| good
2026-03-09T18:00:00.000Z	49 \| good	8.6 \| good	35.037 \| good	25.509 \| good	0.898 \| good	22.066 \| good	0.301 \| good
2026-03-09T19:00:00.000Z	44 \| good	7.864 \| good	29.814 \| good	32.787 \| good	0.844 \| good	19.157 \| good	0.209 \| good
2026-03-09T20:00:00.000Z	38 \| good	6.66 \| good	26.257 \| good	38.059 \| good	0.838 \| good	10.57 \| good	0.209 \| good
2026-03-09T20:00:00.000Z	38 \| good	6.66 \| good	26.257 \| good	38.059 \| good	0.838 \| good	10.57 \| good	0.209 \| good
2026-03-09T21:00:00.000Z	52 \| moderate	9.567 \| good	42.42 \| good	50.377 \| good	1.545 \| good	3.412 \| good	0.147 \| good
2026-03-09T22:00:00.000Z	49 \| good	9.33 \| good	41.627 \| good	52.42 \| good	1.701 \| good	3.775 \| good	0.146 \| good
2026-03-09T23:00:00.000Z	50 \| good	8.679 \| good	37.968 \| good	53.783 \| good	1.857 \| good	4.139 \| good	0.145 \| good
2026-03-10T00:00:00.000Z	52 \| moderate	10.358 \| good	45.629 \| good	52.334 \| good	2.013 \| good	4.502 \| good	0.144 \| good
2026-03-10T01:00:00.000Z	44 \| good	8.081 \| good	35.526 \| good	47.987 \| good	2.255 \| good	9.12 \| good	0.163 \| good
2026-03-10T02:00:00.000Z	36 \| good	5.468 \| good	23.775 \| good	39.237 \| good	2.498 \| good	13.738 \| good	0.182 \| good
2026-03-10T03:00:00.000Z	37 \| good	4.732 \| good	20.322 \| good	40.32 \| good	2.74 \| good	18.356 \| good	0.201 \| good
2026-03-10T04:00:00.000Z	33 \| good	2.713 \| good	11.251 \| good	36.314 \| good	2.949 \| good	23.937 \| good	0.228 \| good
2026-03-10T05:00:00.000Z	30 \| good	4.294 \| good	18.842 \| good	31.858 \| good	3.158 \| good	29.517 \| good	0.255 \| good
2026-03-10T06:00:00.000Z	33 \| good	5.081 \| good	22.044 \| good	28.764 \| good	3.367 \| good	35.097 \| good	0.283 \| good
2026-03-10T07:00:00.000Z	54 \| moderate	10.736 \| good	47.529 \| good	22.746 \| good	3.479 \| good	35.718 \| good	0.3 \| good
2026-03-10T08:00:00.000Z	56 \| moderate	12.317 \| fine	55.403 \| fine	17.265 \| good	3.591 \| good	36.338 \| good	0.317 \| good
2026-03-10T09:00:00.000Z	62 \| moderate	14.742 \| fine	65.81 \| fine	16.587 \| good	3.703 \| good	36.959 \| good	0.335 \| good
2026-03-10T10:00:00.000Z	54 \| moderate	11.118 \| good	49.322 \| good	28.112 \| good	3.718 \| good	35.226 \| good	0.326 \| good
2026-03-10T11:00:00.000Z	54 \| moderate	11.38 \| good	50.305 \| good	29.977 \| good	3.734 \| good	33.494 \| good	0.317 \| good
2026-03-10T12:00:00.000Z	52 \| moderate	9.548 \| good	42.375 \| good	24.248 \| good	3.749 \| good	31.762 \| good	0.308 \| good
2026-03-10T13:00:00.000Z	58 \| moderate	12.51 \| fine	56.457 \| fine	26.136 \| good	3.678 \| good	30.013 \| good	0.319 \| good
2026-03-10T14:00:00.000Z	56 \| moderate	11.894 \| good	52.792 \| good	27.255 \| good	3.606 \| good	28.265 \| good	0.33 \| good
2026-03-10T15:00:00.000Z	58 \| moderate	13.408 \| fine	59.971 \| fine	21.83 \| good	3.535 \| good	26.516 \| good	0.341 \| good
2026-03-10T16:00:00.000Z	54 \| moderate	11.27 \| good	50.247 \| good	27.991 \| good	3.671 \| good	21.905 \| good	0.29 \| good
2026-03-10T17:00:00.000Z	56 \| moderate	11.922 \| good	52.735 \| good	34.183 \| good	3.807 \| good	17.293 \| good	0.24 \| good
2026-03-10T18:00:00.000Z	56 \| moderate	11.587 \| good	51.14 \| good	31.691 \| good	3.943 \| good	12.681 \| good	0.19 \| good
2026-03-10T19:00:00.000Z	60 \| moderate	13.574 \| fine	61.351 \| fine	37.56 \| good	3.798 \| good	11.007 \| good	0.183 \| good
2026-03-10T20:00:00.000Z	52 \| moderate	10.471 \| good	46.513 \| good	43.763 \| good	3.653 \| good	9.333 \| good	0.175 \| good
2026-03-10T21:00:00.000Z	58 \| moderate	13.355 \| fine	60.049 \| fine	47.456 \| good	3.508 \| good	7.659 \| good	0.168 \| good
2026-03-10T22:00:00.000Z	58 \| moderate	13.252 \| fine	59.563 \| fine	47.232 \| good	3.532 \| good	7.68 \| good	0.165 \| good
2026-03-10T23:00:00.000Z	52 \| moderate	10.225 \| good	45.659 \| good	47.757 \| good	3.555 \| good	7.7 \| good	0.163 \| good
2026-03-11T00:00:00.000Z	46 \| good	8.164 \| good	36.208 \| good	50.496 \| good	3.579 \| good	7.721 \| good	0.16 \| good
2026-03-11T01:00:00.000Z	43 \| good	6.647 \| good	29.32 \| good	45.879 \| good	3.538 \| good	12.054 \| good	0.178 \| good
2026-03-11T02:00:00.000Z	38 \| good	7.468 \| good	33.043 \| good	38.169 \| good	3.497 \| good	16.387 \| good	0.196 \| good
2026-03-11T03:00:00.000Z	38 \| good	6.578 \| good	29.272 \| good	37.206 \| good	3.456 \| good	20.72 \| good	0.214 \| good
2026-03-11T04:00:00.000Z	38 \| good	6.78 \| good	30.269 \| good	30.96 \| good	3.553 \| good	25.867 \| good	0.234 \| good
2026-03-11T05:00:00.000Z	44 \| good	8.348 \| good	36.816 \| good	20.125 \| good	3.649 \| good	31.015 \| good	0.255 \| good
2026-03-11T06:00:00.000Z	77 \| moderate	22.868 \| fine	26.305 \| good	4.451 \| good	3.726 \| good	36.43 \| good	0.276 \| good
2026-03-11T07:00:00.000Z	54 \| moderate	10.869 \| good	48.058 \| good	19.377 \| good	3.736 \| good	36.109 \| good	0.294 \| good
2026-03-11T08:00:00.000Z	54 \| moderate	11.331 \| good	50.213 \| good	19.623 \| good	3.727 \| good	36.055 \| good	0.312 \| good
2026-03-11T09:00:00.000Z	54 \| moderate	10.847 \| good	48.246 \| good	17.631 \| good	3.718 \| good	36.002 \| good	0.33 \| good
2026-03-11T10:00:00.000Z	44 \| good	8.436 \| good	37.066 \| good	18.297 \| good	3.238 \| good	33.996 \| good	0.328 \| good
2026-03-11T11:00:00.000Z	44 \| good	7.622 \| good	33.952 \| good	17.807 \| good	2.758 \| good	31.989 \| good	0.326 \| good
2026-03-11T12:00:00.000Z	88 \| moderate	28.812 \| fine	29.685 \| good	1.968 \| good	2.282 \| good	30.203 \| good	0.327 \| good
2026-03-11T13:00:00.000Z	84 \| moderate	27.346 \| fine	28.202 \| good	3.598 \| good	2.414 \| good	28.439 \| good	0.328 \| good
2026-03-11T14:00:00.000Z	84 \| moderate	26.574 \| fine	27.538 \| good	5.228 \| good	2.545 \| good	26.676 \| good	0.328 \| good
2026-03-11T15:00:00.000Z	86 \| moderate	27.641 \| fine	28.862 \| good	6.858 \| good	2.677 \| good	24.912 \| good	0.328 \| good
2026-03-11T16:00:00.000Z	82 \| moderate	25.809 \| fine	27.201 \| good	18.427 \| good	2.937 \| good	21.03 \| good	0.296 \| good
2026-03-11T17:00:00.000Z	56 \| moderate	12.159 \| fine	54.707 \| good	25.198 \| good	3.132 \| good	16.746 \| good	0.261 \| good
2026-03-11T18:00:00.000Z	64 \| moderate	16.358 \| fine	19.331 \| good	41.566 \| good	3.459 \| good	13.264 \| good	0.232 \| good
2026-03-11T19:00:00.000Z	62 \| moderate	15.459 \| fine	18.211 \| good	46.036 \| good	3.507 \| good	12.485 \| good	0.224 \| good
2026-03-11T20:00:00.000Z	62 \| moderate	15.195 \| fine	17.847 \| good	50.506 \| good	3.555 \| good	11.707 \| good	0.216 \| good

Rancho Cucamonga

Empower business decisions with accurate air quality data

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

0.21ppm

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 05:00:00 on 2026-03-09.

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 01:00:00 on 2026-03-09.

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

The real-time air quality index in Rancho Cucamonga, California is 38, 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 6.66 μg/m³.

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

The current PM₁₀ levels in Rancho Cucamonga, California are 26.257 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 0.209 ppm.

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

The current sulfur dioxide (SO₂) levels in Rancho Cucamonga, California are 0.838 ppb.

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

The current ozone (O₃) levels at Rancho Cucamonga, California is 38.059 ppm.

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

The current nitrogen dioxide (NO₂) levels at Rancho Cucamonga, California is 10.57 ppb.

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