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

The current PM10 levels in Rancho Cucamonga, California are 32.8 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 0.343 ppb.

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

The current ozone (O3) levels at Rancho Cucamonga, California is 33.224 ppm.

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

The current nitrogen dioxide (NO2) levels at Rancho Cucamonga, California is 20.294 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 11.954 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)

12.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.31 μg/m³

155

255

425

605+

Ozone (O₃)

36.45 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

16.72 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2026-06-06T19:00:00.000Z	67 \| moderate	17.714 \| fine	45.385 \| good	50.995 \| good	0.335 \| good	12.385 \| good	0.273 \| good
2026-06-06T20:00:00.000Z	66 \| moderate	17.254 \| fine	49.144 \| good	56.684 \| fine	0.419 \| good	11.951 \| good	0.266 \| good
2026-06-06T21:00:00.000Z	64 \| moderate	16.192 \| fine	46.578 \| good	58.284 \| fine	0.417 \| good	10.307 \| good	0.266 \| good
2026-06-06T22:00:00.000Z	74 \| moderate	13.443 \| fine	40.67 \| good	61.552 \| fine	0.368 \| good	10.542 \| good	0.275 \| good
2026-06-06T23:00:00.000Z	71 \| moderate	12.281 \| fine	38.96 \| good	60.964 \| fine	0.292 \| good	10.003 \| good	0.262 \| good
2026-06-07T00:00:00.000Z	58 \| moderate	10.873 \| good	41.998 \| good	56.709 \| fine	0.314 \| good	9.18 \| good	0.262 \| good
2026-06-07T01:00:00.000Z	49 \| good	8.818 \| good	40.679 \| good	53.046 \| good	0.31 \| good	8.891 \| good	0.262 \| good
2026-06-07T02:00:00.000Z	49 \| good	9.109 \| good	36.207 \| good	46.485 \| good	0.295 \| good	9.507 \| good	0.262 \| good
2026-06-07T03:00:00.000Z	52 \| moderate	9.818 \| good	33.538 \| good	44.641 \| good	0.283 \| good	10.864 \| good	0.269 \| good
2026-06-07T04:00:00.000Z	49 \| good	9.398 \| good	31.21 \| good	42.228 \| good	0.365 \| good	10.428 \| good	0.269 \| good
2026-06-07T05:00:00.000Z	52 \| moderate	9.835 \| good	29.449 \| good	40.666 \| good	0.488 \| good	11.059 \| good	0.262 \| good
2026-06-07T06:00:00.000Z	49 \| good	9.38 \| good	24.581 \| good	40.251 \| good	0.344 \| good	9.209 \| good	0.273 \| good
2026-06-07T07:00:00.000Z	52 \| moderate	10.355 \| good	27.287 \| good	37.65 \| good	0.342 \| good	9.209 \| good	0.273 \| good
2026-06-07T08:00:00.000Z	54 \| moderate	11.317 \| good	25.233 \| good	35.705 \| good	0.343 \| good	9.089 \| good	0.2 \| good
2026-06-07T09:00:00.000Z	52 \| moderate	10.055 \| good	21.302 \| good	34.56 \| good	0.35 \| good	8.687 \| good	0.202 \| good
2026-06-07T10:00:00.000Z	52 \| moderate	10.236 \| good	20.533 \| good	35.488 \| good	0.35 \| good	8.687 \| good	0.203 \| good
2026-06-07T11:00:00.000Z	54 \| moderate	10.787 \| good	22.651 \| good	35.555 \| good	0.351 \| good	8.687 \| good	0.203 \| good
2026-06-07T12:00:00.000Z	54 \| moderate	11.152 \| good	21.018 \| good	34.278 \| good	0.216 \| good	8.832 \| good	0.192 \| good
2026-06-07T13:00:00.000Z	54 \| moderate	11.309 \| good	20.574 \| good	33.36 \| good	0.219 \| good	8.832 \| good	0.192 \| good
2026-06-07T14:00:00.000Z	54 \| moderate	10.719 \| good	29.343 \| good	34.318 \| good	0.267 \| good	8.831 \| good	0.205 \| good
2026-06-07T15:00:00.000Z	54 \| moderate	10.731 \| good	26.737 \| good	36.143 \| good	0.343 \| good	9.978 \| good	0.198 \| good
2026-06-07T16:00:00.000Z	56 \| moderate	12.298 \| fine	25.671 \| good	38.889 \| good	0.252 \| good	11.269 \| good	0.205 \| good
2026-06-07T17:00:00.000Z	56 \| moderate	12.337 \| fine	27.007 \| good	41.597 \| good	0.322 \| good	8.811 \| good	0.198 \| good
2026-06-07T18:00:00.000Z	58 \| moderate	13.058 \| fine	27.275 \| good	45.542 \| good	0.332 \| good	8.082 \| good	0.198 \| good
2026-06-07T19:00:00.000Z	56 \| moderate	11.567 \| good	29.14 \| good	50.71 \| good	0.28 \| good	6.047 \| good	0.198 \| good
2026-06-07T20:00:00.000Z	56 \| moderate	11.61 \| good	31.909 \| good	52.633 \| good	0.332 \| good	6.933 \| good	0.198 \| good
2026-06-07T21:00:00.000Z	52 \| moderate	10.192 \| good	31.753 \| good	53.489 \| good	0.364 \| good	7.437 \| good	0.198 \| good
2026-06-07T22:00:00.000Z	51 \| moderate	9.461 \| good	27.878 \| good	54.854 \| good	0.384 \| good	8.012 \| good	0.262 \| good
2026-06-07T23:00:00.000Z	58 \| moderate	10.352 \| good	34.613 \| good	56.761 \| fine	0.301 \| good	7.838 \| good	0.198 \| good
2026-06-08T00:00:00.000Z	58 \| moderate	9.943 \| good	39.652 \| good	57.172 \| fine	0.288 \| good	7.917 \| good	0.198 \| good
2026-06-08T01:00:00.000Z	52 \| moderate	10.265 \| good	38.923 \| good	53.073 \| good	0.397 \| good	7.8 \| good	0.262 \| good
2026-06-08T02:00:00.000Z	54 \| moderate	10.721 \| good	33.669 \| good	49.345 \| good	0.372 \| good	9.464 \| good	0.262 \| good
2026-06-08T03:00:00.000Z	54 \| moderate	10.872 \| good	47.696 \| good	46.086 \| good	0.906 \| good	3.135 \| good	0.112 \| good
2026-06-08T04:00:00.000Z	52 \| moderate	9.817 \| good	30.489 \| good	42.014 \| good	0.385 \| good	10.966 \| good	0.198 \| good
2026-06-08T05:00:00.000Z	52 \| moderate	9.847 \| good	37.309 \| good	40.451 \| good	0.695 \| good	10.995 \| good	0.262 \| good
2026-06-08T06:00:00.000Z	54 \| moderate	10.756 \| good	41.256 \| good	35.995 \| good	0.384 \| good	12.466 \| good	0.209 \| good
2026-06-08T07:00:00.000Z	52 \| moderate	9.681 \| good	26.876 \| good	38.4 \| good	0.379 \| good	12.466 \| good	0.209 \| good
2026-06-08T08:00:00.000Z	54 \| moderate	11.043 \| good	25.665 \| good	31.657 \| good	0.292 \| good	6.978 \| good	0.213 \| good
2026-06-08T09:00:00.000Z	54 \| moderate	10.798 \| good	29.978 \| good	29.454 \| good	0.344 \| good	7.534 \| good	0.213 \| good
2026-06-08T10:00:00.000Z	49 \| good	8.861 \| good	24.728 \| good	28.099 \| good	0.28 \| good	8.075 \| good	0.2 \| good
2026-06-08T11:00:00.000Z	49 \| good	9.48 \| good	31.994 \| good	29.124 \| good	0.363 \| good	7.395 \| good	0.194 \| good
2026-06-08T12:00:00.000Z	52 \| moderate	10.036 \| good	28.726 \| good	30.309 \| good	0.272 \| good	10.294 \| good	0.129 \| good
2026-06-08T13:00:00.000Z	54 \| moderate	11.14 \| good	30.004 \| good	30.939 \| good	0.28 \| good	10.294 \| good	0.129 \| good
2026-06-08T14:00:00.000Z	56 \| moderate	11.9 \| good	26.767 \| good	31.42 \| good	0.277 \| good	16.083 \| good	0.191 \| good
2026-06-08T15:00:00.000Z	56 \| moderate	11.945 \| good	28.41 \| good	31.654 \| good	0.261 \| good	17.687 \| good	0.198 \| good
2026-06-08T16:00:00.000Z	56 \| moderate	11.954 \| good	32.8 \| good	33.224 \| good	0.343 \| good	20.294 \| good	0.262 \| good
2026-06-08T17:00:00.000Z	58 \| moderate	12.917 \| fine	35.308 \| good	36.445 \| good	0.283 \| good	16.718 \| good	0.262 \| good
2026-06-08T18:00:00.000Z	58 \| moderate	12.917 \| fine	35.308 \| good	36.445 \| good	0.283 \| good	16.718 \| good	0.262 \| good
2026-06-08T18:00:00.000Z	64 \| moderate	15.974 \| fine	71.34 \| fine	51.484 \| good	0.754 \| good	2.53 \| good	0.121 \| good
2026-06-08T19:00:00.000Z	61 \| moderate	14.028 \| fine	63.145 \| fine	58.102 \| fine	0.722 \| good	1.795 \| good	0.119 \| good
2026-06-08T20:00:00.000Z	74 \| moderate	15.758 \| fine	69.704 \| fine	61.842 \| fine	0.704 \| good	1.377 \| good	0.117 \| good
2026-06-08T21:00:00.000Z	90 \| moderate	15.603 \| fine	69.028 \| fine	66.583 \| fine	0.708 \| good	1.222 \| good	0.116 \| good
2026-06-08T22:00:00.000Z	97 \| moderate	13.622 \| fine	60.936 \| fine	68.676 \| fine	0.748 \| good	1.218 \| good	0.115 \| good
2026-06-08T23:00:00.000Z	90 \| moderate	11.56 \| good	50.987 \| good	67.194 \| fine	0.79 \| good	1.272 \| good	0.114 \| good
2026-06-09T00:00:00.000Z	80 \| moderate	13.535 \| fine	60.863 \| fine	64.222 \| fine	0.821 \| good	1.437 \| good	0.114 \| good
2026-06-09T01:00:00.000Z	64 \| moderate	14.03 \| fine	62.775 \| fine	59.177 \| fine	0.877 \| good	1.913 \| good	0.114 \| good
2026-06-09T02:00:00.000Z	60 \| moderate	14.467 \| fine	64.906 \| fine	50.452 \| good	0.985 \| good	2.814 \| good	0.114 \| good
2026-06-09T03:00:00.000Z	60 \| moderate	13.531 \| fine	60.7 \| fine	46.808 \| good	1.085 \| good	4.214 \| good	0.116 \| good
2026-06-09T04:00:00.000Z	58 \| moderate	13.14 \| fine	58.936 \| fine	41.024 \| good	1.128 \| good	5.647 \| good	0.12 \| good
2026-06-09T05:00:00.000Z	62 \| moderate	14.528 \| fine	64.872 \| fine	37.494 \| good	1.121 \| good	7.397 \| good	0.125 \| good
2026-06-09T06:00:00.000Z	60 \| moderate	14.22 \| fine	63.276 \| fine	35.208 \| good	1.111 \| good	8.972 \| good	0.131 \| good
2026-06-09T07:00:00.000Z	60 \| moderate	14.33 \| fine	64.623 \| fine	32.082 \| good	1.075 \| good	11.209 \| good	0.14 \| good
2026-06-09T08:00:00.000Z	58 \| moderate	13.057 \| fine	58.866 \| fine	26.985 \| good	1.042 \| good	12.855 \| good	0.147 \| good
2026-06-09T09:00:00.000Z	56 \| moderate	12.171 \| fine	54.868 \| good	22.968 \| good	1.024 \| good	14.688 \| good	0.154 \| good
2026-06-09T10:00:00.000Z	56 \| moderate	12.479 \| fine	56.963 \| fine	22.008 \| good	1.016 \| good	16.133 \| good	0.16 \| good
2026-06-09T11:00:00.000Z	54 \| moderate	11.117 \| good	48.856 \| good	22.051 \| good	1.023 \| good	17.445 \| good	0.165 \| good
2026-06-09T12:00:00.000Z	56 \| moderate	12.235 \| fine	55.344 \| fine	21.166 \| good	1.044 \| good	18.894 \| good	0.171 \| good
2026-06-09T13:00:00.000Z	56 \| moderate	12.373 \| fine	55.208 \| fine	23.517 \| good	1.06 \| good	18.687 \| good	0.179 \| good
2026-06-09T14:00:00.000Z	64 \| moderate	16.025 \| fine	71.563 \| fine	25.343 \| good	1.042 \| good	14.335 \| good	0.182 \| good
2026-06-09T15:00:00.000Z	64 \| moderate	15.988 \| fine	71.707 \| fine	28.803 \| good	1.044 \| good	7.451 \| good	0.14 \| good
2026-06-09T16:00:00.000Z	66 \| moderate	16.922 \| fine	75.445 \| fine	32.702 \| good	0.923 \| good	5.53 \| good	0.131 \| good
2026-06-09T17:00:00.000Z	67 \| moderate	18.074 \| fine	79.436 \| fine	38.496 \| good	0.837 \| good	4.183 \| good	0.125 \| good
2026-06-09T18:00:00.000Z	66 \| moderate	17.264 \| fine	76.902 \| fine	48.043 \| good	0.801 \| good	3.166 \| good	0.122 \| good
2026-06-09T19:00:00.000Z	69 \| moderate	18.519 \| fine	81.299 \| fine	57.117 \| fine	0.794 \| good	2.31 \| good	0.12 \| good
2026-06-09T20:00:00.000Z	84 \| moderate	18.775 \| fine	82.891 \| fine	64.824 \| fine	0.814 \| good	1.762 \| good	0.118 \| good
2026-06-09T21:00:00.000Z	105 \| sensitive	18.554 \| fine	82.347 \| fine	72.104 \| moderate	0.875 \| good	1.524 \| good	0.118 \| good
2026-06-09T22:00:00.000Z	122 \| sensitive	18.568 \| fine	82.237 \| fine	76.833 \| moderate	0.959 \| good	1.44 \| good	0.119 \| good
2026-06-09T23:00:00.000Z	115 \| sensitive	18.215 \| fine	80.632 \| fine	75.21 \| moderate	1.049 \| good	1.474 \| good	0.119 \| good
2026-06-10T00:00:00.000Z	101 \| sensitive	18.82 \| fine	82.463 \| fine	71.203 \| moderate	1.142 \| good	1.688 \| good	0.119 \| good
2026-06-10T01:00:00.000Z	84 \| moderate	17.866 \| fine	78.645 \| fine	64.966 \| fine	1.243 \| good	2.17 \| good	0.121 \| good
2026-06-10T02:00:00.000Z	66 \| moderate	17.437 \| fine	77.814 \| fine	55.938 \| fine	1.35 \| good	3.041 \| good	0.122 \| good
2026-06-10T03:00:00.000Z	67 \| moderate	17.988 \| fine	79.692 \| fine	49.564 \| good	1.444 \| good	4.44 \| good	0.124 \| good
2026-06-10T04:00:00.000Z	66 \| moderate	17.081 \| fine	75.679 \| fine	44.14 \| good	1.475 \| good	6.122 \| good	0.128 \| good
2026-06-10T05:00:00.000Z	66 \| moderate	16.8 \| fine	74.032 \| fine	41.667 \| good	1.45 \| good	7.896 \| good	0.133 \| good
2026-06-10T06:00:00.000Z	64 \| moderate	15.788 \| fine	21.861 \| good	38.212 \| good	1.388 \| good	9.467 \| good	0.137 \| good
2026-06-10T07:00:00.000Z	64 \| moderate	16.433 \| fine	72.631 \| fine	34.75 \| good	1.359 \| good	11.38 \| good	0.145 \| good
2026-06-10T08:00:00.000Z	64 \| moderate	15.746 \| fine	70.239 \| fine	28.818 \| good	1.331 \| good	13.155 \| good	0.152 \| good
2026-06-10T09:00:00.000Z	60 \| moderate	14.397 \| fine	64.387 \| fine	23.857 \| good	1.344 \| good	14.959 \| good	0.16 \| good
2026-06-10T10:00:00.000Z	60 \| moderate	13.827 \| fine	62.334 \| fine	19.728 \| good	1.367 \| good	16.429 \| good	0.167 \| good
2026-06-10T11:00:00.000Z	58 \| moderate	12.808 \| fine	57.301 \| fine	18.372 \| good	1.391 \| good	17.815 \| good	0.174 \| good
2026-06-10T12:00:00.000Z	75 \| moderate	21.613 \| fine	28.742 \| good	17.122 \| good	1.409 \| good	19.306 \| good	0.182 \| good
2026-06-10T13:00:00.000Z	77 \| moderate	23.008 \| fine	30.911 \| good	16.36 \| good	1.407 \| good	19.896 \| good	0.193 \| good
2026-06-10T14:00:00.000Z	77 \| moderate	23.25 \| fine	30.835 \| good	17.057 \| good	1.324 \| good	17.147 \| good	0.21 \| good
2026-06-10T15:00:00.000Z	69 \| moderate	19.293 \| fine	30.214 \| good	32.147 \| good	1.37 \| good	8.763 \| good	0.149 \| good
2026-06-10T16:00:00.000Z	66 \| moderate	16.963 \| fine	28.587 \| good	38.293 \| good	1.108 \| good	6.223 \| good	0.135 \| good
2026-06-10T17:00:00.000Z	64 \| moderate	16.397 \| fine	27.017 \| good	46.598 \| good	1.008 \| good	5.053 \| good	0.132 \| good

Rancho Cucamonga

Empower business decisions with accurate air quality data

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

0.25ppm

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 12:00:00 on 2026-06-08.

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 11:00:00 on 2026-06-08.

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

The real-time air quality index in Rancho Cucamonga, California is 56, 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 11.954 μg/m³.

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

The current PM₁₀ levels in Rancho Cucamonga, California are 32.8 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 0.262 ppm.

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

The current sulfur dioxide (SO₂) levels in Rancho Cucamonga, California are 0.343 ppb.

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

The current ozone (O₃) levels at Rancho Cucamonga, California is 33.224 ppm.

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

The current nitrogen dioxide (NO₂) levels at Rancho Cucamonga, California is 20.294 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-06T19:00:00.000Z	67 \| moderate	17.714 \| fine	45.385 \| good	50.995 \| good	0.335 \| good	12.385 \| good	0.273 \| good
2026-06-06T20:00:00.000Z	66 \| moderate	17.254 \| fine	49.144 \| good	56.684 \| fine	0.419 \| good	11.951 \| good	0.266 \| good
2026-06-06T21:00:00.000Z	64 \| moderate	16.192 \| fine	46.578 \| good	58.284 \| fine	0.417 \| good	10.307 \| good	0.266 \| good
2026-06-06T22:00:00.000Z	74 \| moderate	13.443 \| fine	40.67 \| good	61.552 \| fine	0.368 \| good	10.542 \| good	0.275 \| good
2026-06-06T23:00:00.000Z	71 \| moderate	12.281 \| fine	38.96 \| good	60.964 \| fine	0.292 \| good	10.003 \| good	0.262 \| good
2026-06-07T00:00:00.000Z	58 \| moderate	10.873 \| good	41.998 \| good	56.709 \| fine	0.314 \| good	9.18 \| good	0.262 \| good
2026-06-07T01:00:00.000Z	49 \| good	8.818 \| good	40.679 \| good	53.046 \| good	0.31 \| good	8.891 \| good	0.262 \| good
2026-06-07T02:00:00.000Z	49 \| good	9.109 \| good	36.207 \| good	46.485 \| good	0.295 \| good	9.507 \| good	0.262 \| good
2026-06-07T03:00:00.000Z	52 \| moderate	9.818 \| good	33.538 \| good	44.641 \| good	0.283 \| good	10.864 \| good	0.269 \| good
2026-06-07T04:00:00.000Z	49 \| good	9.398 \| good	31.21 \| good	42.228 \| good	0.365 \| good	10.428 \| good	0.269 \| good
2026-06-07T05:00:00.000Z	52 \| moderate	9.835 \| good	29.449 \| good	40.666 \| good	0.488 \| good	11.059 \| good	0.262 \| good
2026-06-07T06:00:00.000Z	49 \| good	9.38 \| good	24.581 \| good	40.251 \| good	0.344 \| good	9.209 \| good	0.273 \| good
2026-06-07T07:00:00.000Z	52 \| moderate	10.355 \| good	27.287 \| good	37.65 \| good	0.342 \| good	9.209 \| good	0.273 \| good
2026-06-07T08:00:00.000Z	54 \| moderate	11.317 \| good	25.233 \| good	35.705 \| good	0.343 \| good	9.089 \| good	0.2 \| good
2026-06-07T09:00:00.000Z	52 \| moderate	10.055 \| good	21.302 \| good	34.56 \| good	0.35 \| good	8.687 \| good	0.202 \| good
2026-06-07T10:00:00.000Z	52 \| moderate	10.236 \| good	20.533 \| good	35.488 \| good	0.35 \| good	8.687 \| good	0.203 \| good
2026-06-07T11:00:00.000Z	54 \| moderate	10.787 \| good	22.651 \| good	35.555 \| good	0.351 \| good	8.687 \| good	0.203 \| good
2026-06-07T12:00:00.000Z	54 \| moderate	11.152 \| good	21.018 \| good	34.278 \| good	0.216 \| good	8.832 \| good	0.192 \| good
2026-06-07T13:00:00.000Z	54 \| moderate	11.309 \| good	20.574 \| good	33.36 \| good	0.219 \| good	8.832 \| good	0.192 \| good
2026-06-07T14:00:00.000Z	54 \| moderate	10.719 \| good	29.343 \| good	34.318 \| good	0.267 \| good	8.831 \| good	0.205 \| good
2026-06-07T15:00:00.000Z	54 \| moderate	10.731 \| good	26.737 \| good	36.143 \| good	0.343 \| good	9.978 \| good	0.198 \| good
2026-06-07T16:00:00.000Z	56 \| moderate	12.298 \| fine	25.671 \| good	38.889 \| good	0.252 \| good	11.269 \| good	0.205 \| good
2026-06-07T17:00:00.000Z	56 \| moderate	12.337 \| fine	27.007 \| good	41.597 \| good	0.322 \| good	8.811 \| good	0.198 \| good
2026-06-07T18:00:00.000Z	58 \| moderate	13.058 \| fine	27.275 \| good	45.542 \| good	0.332 \| good	8.082 \| good	0.198 \| good
2026-06-07T19:00:00.000Z	56 \| moderate	11.567 \| good	29.14 \| good	50.71 \| good	0.28 \| good	6.047 \| good	0.198 \| good
2026-06-07T20:00:00.000Z	56 \| moderate	11.61 \| good	31.909 \| good	52.633 \| good	0.332 \| good	6.933 \| good	0.198 \| good
2026-06-07T21:00:00.000Z	52 \| moderate	10.192 \| good	31.753 \| good	53.489 \| good	0.364 \| good	7.437 \| good	0.198 \| good
2026-06-07T22:00:00.000Z	51 \| moderate	9.461 \| good	27.878 \| good	54.854 \| good	0.384 \| good	8.012 \| good	0.262 \| good
2026-06-07T23:00:00.000Z	58 \| moderate	10.352 \| good	34.613 \| good	56.761 \| fine	0.301 \| good	7.838 \| good	0.198 \| good
2026-06-08T00:00:00.000Z	58 \| moderate	9.943 \| good	39.652 \| good	57.172 \| fine	0.288 \| good	7.917 \| good	0.198 \| good
2026-06-08T01:00:00.000Z	52 \| moderate	10.265 \| good	38.923 \| good	53.073 \| good	0.397 \| good	7.8 \| good	0.262 \| good
2026-06-08T02:00:00.000Z	54 \| moderate	10.721 \| good	33.669 \| good	49.345 \| good	0.372 \| good	9.464 \| good	0.262 \| good
2026-06-08T03:00:00.000Z	54 \| moderate	10.872 \| good	47.696 \| good	46.086 \| good	0.906 \| good	3.135 \| good	0.112 \| good
2026-06-08T04:00:00.000Z	52 \| moderate	9.817 \| good	30.489 \| good	42.014 \| good	0.385 \| good	10.966 \| good	0.198 \| good
2026-06-08T05:00:00.000Z	52 \| moderate	9.847 \| good	37.309 \| good	40.451 \| good	0.695 \| good	10.995 \| good	0.262 \| good
2026-06-08T06:00:00.000Z	54 \| moderate	10.756 \| good	41.256 \| good	35.995 \| good	0.384 \| good	12.466 \| good	0.209 \| good
2026-06-08T07:00:00.000Z	52 \| moderate	9.681 \| good	26.876 \| good	38.4 \| good	0.379 \| good	12.466 \| good	0.209 \| good
2026-06-08T08:00:00.000Z	54 \| moderate	11.043 \| good	25.665 \| good	31.657 \| good	0.292 \| good	6.978 \| good	0.213 \| good
2026-06-08T09:00:00.000Z	54 \| moderate	10.798 \| good	29.978 \| good	29.454 \| good	0.344 \| good	7.534 \| good	0.213 \| good
2026-06-08T10:00:00.000Z	49 \| good	8.861 \| good	24.728 \| good	28.099 \| good	0.28 \| good	8.075 \| good	0.2 \| good
2026-06-08T11:00:00.000Z	49 \| good	9.48 \| good	31.994 \| good	29.124 \| good	0.363 \| good	7.395 \| good	0.194 \| good
2026-06-08T12:00:00.000Z	52 \| moderate	10.036 \| good	28.726 \| good	30.309 \| good	0.272 \| good	10.294 \| good	0.129 \| good
2026-06-08T13:00:00.000Z	54 \| moderate	11.14 \| good	30.004 \| good	30.939 \| good	0.28 \| good	10.294 \| good	0.129 \| good
2026-06-08T14:00:00.000Z	56 \| moderate	11.9 \| good	26.767 \| good	31.42 \| good	0.277 \| good	16.083 \| good	0.191 \| good
2026-06-08T15:00:00.000Z	56 \| moderate	11.945 \| good	28.41 \| good	31.654 \| good	0.261 \| good	17.687 \| good	0.198 \| good
2026-06-08T16:00:00.000Z	56 \| moderate	11.954 \| good	32.8 \| good	33.224 \| good	0.343 \| good	20.294 \| good	0.262 \| good
2026-06-08T17:00:00.000Z	58 \| moderate	12.917 \| fine	35.308 \| good	36.445 \| good	0.283 \| good	16.718 \| good	0.262 \| good
2026-06-08T18:00:00.000Z	58 \| moderate	12.917 \| fine	35.308 \| good	36.445 \| good	0.283 \| good	16.718 \| good	0.262 \| good
2026-06-08T18:00:00.000Z	64 \| moderate	15.974 \| fine	71.34 \| fine	51.484 \| good	0.754 \| good	2.53 \| good	0.121 \| good
2026-06-08T19:00:00.000Z	61 \| moderate	14.028 \| fine	63.145 \| fine	58.102 \| fine	0.722 \| good	1.795 \| good	0.119 \| good
2026-06-08T20:00:00.000Z	74 \| moderate	15.758 \| fine	69.704 \| fine	61.842 \| fine	0.704 \| good	1.377 \| good	0.117 \| good
2026-06-08T21:00:00.000Z	90 \| moderate	15.603 \| fine	69.028 \| fine	66.583 \| fine	0.708 \| good	1.222 \| good	0.116 \| good
2026-06-08T22:00:00.000Z	97 \| moderate	13.622 \| fine	60.936 \| fine	68.676 \| fine	0.748 \| good	1.218 \| good	0.115 \| good
2026-06-08T23:00:00.000Z	90 \| moderate	11.56 \| good	50.987 \| good	67.194 \| fine	0.79 \| good	1.272 \| good	0.114 \| good
2026-06-09T00:00:00.000Z	80 \| moderate	13.535 \| fine	60.863 \| fine	64.222 \| fine	0.821 \| good	1.437 \| good	0.114 \| good
2026-06-09T01:00:00.000Z	64 \| moderate	14.03 \| fine	62.775 \| fine	59.177 \| fine	0.877 \| good	1.913 \| good	0.114 \| good
2026-06-09T02:00:00.000Z	60 \| moderate	14.467 \| fine	64.906 \| fine	50.452 \| good	0.985 \| good	2.814 \| good	0.114 \| good
2026-06-09T03:00:00.000Z	60 \| moderate	13.531 \| fine	60.7 \| fine	46.808 \| good	1.085 \| good	4.214 \| good	0.116 \| good
2026-06-09T04:00:00.000Z	58 \| moderate	13.14 \| fine	58.936 \| fine	41.024 \| good	1.128 \| good	5.647 \| good	0.12 \| good
2026-06-09T05:00:00.000Z	62 \| moderate	14.528 \| fine	64.872 \| fine	37.494 \| good	1.121 \| good	7.397 \| good	0.125 \| good
2026-06-09T06:00:00.000Z	60 \| moderate	14.22 \| fine	63.276 \| fine	35.208 \| good	1.111 \| good	8.972 \| good	0.131 \| good
2026-06-09T07:00:00.000Z	60 \| moderate	14.33 \| fine	64.623 \| fine	32.082 \| good	1.075 \| good	11.209 \| good	0.14 \| good
2026-06-09T08:00:00.000Z	58 \| moderate	13.057 \| fine	58.866 \| fine	26.985 \| good	1.042 \| good	12.855 \| good	0.147 \| good
2026-06-09T09:00:00.000Z	56 \| moderate	12.171 \| fine	54.868 \| good	22.968 \| good	1.024 \| good	14.688 \| good	0.154 \| good
2026-06-09T10:00:00.000Z	56 \| moderate	12.479 \| fine	56.963 \| fine	22.008 \| good	1.016 \| good	16.133 \| good	0.16 \| good
2026-06-09T11:00:00.000Z	54 \| moderate	11.117 \| good	48.856 \| good	22.051 \| good	1.023 \| good	17.445 \| good	0.165 \| good
2026-06-09T12:00:00.000Z	56 \| moderate	12.235 \| fine	55.344 \| fine	21.166 \| good	1.044 \| good	18.894 \| good	0.171 \| good
2026-06-09T13:00:00.000Z	56 \| moderate	12.373 \| fine	55.208 \| fine	23.517 \| good	1.06 \| good	18.687 \| good	0.179 \| good
2026-06-09T14:00:00.000Z	64 \| moderate	16.025 \| fine	71.563 \| fine	25.343 \| good	1.042 \| good	14.335 \| good	0.182 \| good
2026-06-09T15:00:00.000Z	64 \| moderate	15.988 \| fine	71.707 \| fine	28.803 \| good	1.044 \| good	7.451 \| good	0.14 \| good
2026-06-09T16:00:00.000Z	66 \| moderate	16.922 \| fine	75.445 \| fine	32.702 \| good	0.923 \| good	5.53 \| good	0.131 \| good
2026-06-09T17:00:00.000Z	67 \| moderate	18.074 \| fine	79.436 \| fine	38.496 \| good	0.837 \| good	4.183 \| good	0.125 \| good
2026-06-09T18:00:00.000Z	66 \| moderate	17.264 \| fine	76.902 \| fine	48.043 \| good	0.801 \| good	3.166 \| good	0.122 \| good
2026-06-09T19:00:00.000Z	69 \| moderate	18.519 \| fine	81.299 \| fine	57.117 \| fine	0.794 \| good	2.31 \| good	0.12 \| good
2026-06-09T20:00:00.000Z	84 \| moderate	18.775 \| fine	82.891 \| fine	64.824 \| fine	0.814 \| good	1.762 \| good	0.118 \| good
2026-06-09T21:00:00.000Z	105 \| sensitive	18.554 \| fine	82.347 \| fine	72.104 \| moderate	0.875 \| good	1.524 \| good	0.118 \| good
2026-06-09T22:00:00.000Z	122 \| sensitive	18.568 \| fine	82.237 \| fine	76.833 \| moderate	0.959 \| good	1.44 \| good	0.119 \| good
2026-06-09T23:00:00.000Z	115 \| sensitive	18.215 \| fine	80.632 \| fine	75.21 \| moderate	1.049 \| good	1.474 \| good	0.119 \| good
2026-06-10T00:00:00.000Z	101 \| sensitive	18.82 \| fine	82.463 \| fine	71.203 \| moderate	1.142 \| good	1.688 \| good	0.119 \| good
2026-06-10T01:00:00.000Z	84 \| moderate	17.866 \| fine	78.645 \| fine	64.966 \| fine	1.243 \| good	2.17 \| good	0.121 \| good
2026-06-10T02:00:00.000Z	66 \| moderate	17.437 \| fine	77.814 \| fine	55.938 \| fine	1.35 \| good	3.041 \| good	0.122 \| good
2026-06-10T03:00:00.000Z	67 \| moderate	17.988 \| fine	79.692 \| fine	49.564 \| good	1.444 \| good	4.44 \| good	0.124 \| good
2026-06-10T04:00:00.000Z	66 \| moderate	17.081 \| fine	75.679 \| fine	44.14 \| good	1.475 \| good	6.122 \| good	0.128 \| good
2026-06-10T05:00:00.000Z	66 \| moderate	16.8 \| fine	74.032 \| fine	41.667 \| good	1.45 \| good	7.896 \| good	0.133 \| good
2026-06-10T06:00:00.000Z	64 \| moderate	15.788 \| fine	21.861 \| good	38.212 \| good	1.388 \| good	9.467 \| good	0.137 \| good
2026-06-10T07:00:00.000Z	64 \| moderate	16.433 \| fine	72.631 \| fine	34.75 \| good	1.359 \| good	11.38 \| good	0.145 \| good
2026-06-10T08:00:00.000Z	64 \| moderate	15.746 \| fine	70.239 \| fine	28.818 \| good	1.331 \| good	13.155 \| good	0.152 \| good
2026-06-10T09:00:00.000Z	60 \| moderate	14.397 \| fine	64.387 \| fine	23.857 \| good	1.344 \| good	14.959 \| good	0.16 \| good
2026-06-10T10:00:00.000Z	60 \| moderate	13.827 \| fine	62.334 \| fine	19.728 \| good	1.367 \| good	16.429 \| good	0.167 \| good
2026-06-10T11:00:00.000Z	58 \| moderate	12.808 \| fine	57.301 \| fine	18.372 \| good	1.391 \| good	17.815 \| good	0.174 \| good
2026-06-10T12:00:00.000Z	75 \| moderate	21.613 \| fine	28.742 \| good	17.122 \| good	1.409 \| good	19.306 \| good	0.182 \| good
2026-06-10T13:00:00.000Z	77 \| moderate	23.008 \| fine	30.911 \| good	16.36 \| good	1.407 \| good	19.896 \| good	0.193 \| good
2026-06-10T14:00:00.000Z	77 \| moderate	23.25 \| fine	30.835 \| good	17.057 \| good	1.324 \| good	17.147 \| good	0.21 \| good
2026-06-10T15:00:00.000Z	69 \| moderate	19.293 \| fine	30.214 \| good	32.147 \| good	1.37 \| good	8.763 \| good	0.149 \| good
2026-06-10T16:00:00.000Z	66 \| moderate	16.963 \| fine	28.587 \| good	38.293 \| good	1.108 \| good	6.223 \| good	0.135 \| good
2026-06-10T17:00:00.000Z	64 \| moderate	16.397 \| fine	27.017 \| good	46.598 \| good	1.008 \| good	5.053 \| good	0.132 \| 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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How accurate is California, USA air quality data?

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?