What is the current level of PM10 in Rialto, California?

Rialto, California currently has a PM10 concentration of 30.58 μg/m3.

What is the current level of sulfur dioxide (SO2) in Rialto, California?

The current sulfur dioxide (SO2) concentration in Rialto, California is 0.702 ppb.

What is the current level of ozone (O3) in Rialto, California?

Rialto, California currently has an ozone (O3) concentration of 68.008 ppm.

What is the current level of nitrogen dioxide (NO2) in Rialto, California?

The current level of nitrogen dioxide (NO2) in Rialto, California is 7.65 ppb.

Current air quality index in Rialto, California today

Name: Live air pollution levels in Rialto, California today
Creator: Ambee

Stay updated with real-time air quality in Rialto, 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

Rialto, California

Last updated: ... (Local time)

Common air pollutants in Rialto, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

14.07 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

43.78 μg/m³

155

255

425

605+

Ozone (O₃)

18.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.28 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

19.62 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.49 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Rialto, California

Get Live Pollen Counts

Rialto, California

Scroll To Air Quality Map

Track live Rialto, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T09:00:00.000Z	49 \| good	8.65 \| good	38.893 \| good	13.11 \| good	0.291 \| good	24.293 \| good	0.299 \| good
2025-09-04T10:00:00.000Z	44 \| good	8.494 \| good	38.118 \| good	7.194 \| good	0.279 \| good	24.037 \| good	0.3 \| good
2025-09-04T11:00:00.000Z	44 \| good	7.973 \| good	36.026 \| good	10.068 \| good	0.256 \| good	26.69 \| good	0.3 \| good
2025-09-04T12:00:00.000Z	44 \| good	7.686 \| good	35.301 \| good	9.058 \| good	0.339 \| good	28.376 \| good	0.3 \| good
2025-09-04T13:00:00.000Z	52 \| moderate	9.986 \| good	44.169 \| good	14.354 \| good	2.474 \| good	12.804 \| good	0.271 \| good
2025-09-04T14:00:00.000Z	56 \| moderate	12.458 \| fine	57.605 \| fine	7.125 \| good	0.404 \| good	29.904 \| good	0.4 \| good
2025-09-04T15:00:00.000Z	62 \| moderate	15.257 \| fine	68.384 \| fine	10.145 \| good	0.361 \| good	25.525 \| good	0.4 \| good
2025-09-04T16:00:00.000Z	64 \| moderate	15.797 \| fine	70.553 \| fine	18.143 \| good	0.503 \| good	21.081 \| good	0.302 \| good
2025-09-04T17:00:00.000Z	60 \| moderate	13.95 \| fine	62.535 \| fine	27.097 \| good	0.527 \| good	16.767 \| good	0.302 \| good
2025-09-04T18:00:00.000Z	56 \| moderate	11.524 \| good	51.805 \| good	38.073 \| good	0.475 \| good	15.168 \| good	0.298 \| good
2025-09-04T19:00:00.000Z	52 \| moderate	9.838 \| good	43.971 \| good	50.136 \| good	0.533 \| good	10.085 \| good	0.2 \| good
2025-09-04T20:00:00.000Z	74 \| moderate	9.083 \| good	40.866 \| good	62.062 \| fine	0.542 \| good	8.224 \| good	0.2 \| good
2025-09-04T21:00:00.000Z	108 \| sensitive	9.943 \| good	44.847 \| good	73.083 \| moderate	0.588 \| good	7.132 \| good	0.201 \| good
2025-09-04T22:00:00.000Z	136 \| sensitive	11.449 \| good	51.844 \| good	80.941 \| moderate	0.644 \| good	6.446 \| good	0.201 \| good
2025-09-04T23:00:00.000Z	136 \| sensitive	13.377 \| fine	60.467 \| fine	80.876 \| moderate	0.403 \| good	5.834 \| good	0.199 \| good
2025-09-05T00:00:00.000Z	140 \| sensitive	13.347 \| fine	60.406 \| fine	81.705 \| moderate	0.898 \| good	6.537 \| good	0.199 \| good
2025-09-05T01:00:00.000Z	100 \| moderate	11.408 \| good	51.595 \| good	70.156 \| fine	1.178 \| good	6.043 \| good	0.199 \| good
2025-09-05T02:00:00.000Z	100 \| moderate	9.094 \| good	41.098 \| good	70.156 \| fine	1.057 \| good	7.156 \| good	0.199 \| good
2025-09-05T03:00:00.000Z	50 \| good	8.054 \| good	36.667 \| good	54.149 \| good	0.455 \| good	9.444 \| good	0.199 \| good
2025-09-05T04:00:00.000Z	50 \| good	7.353 \| good	33.8 \| good	54.149 \| good	0.291 \| good	13.017 \| good	0.297 \| good
2025-09-05T05:00:00.000Z	44 \| good	7.54 \| good	34.524 \| good	47.142 \| good	0.429 \| good	13.247 \| good	0.298 \| good
2025-09-05T06:00:00.000Z	38 \| good	7.21 \| good	31.779 \| good	30.284 \| good	0.344 \| good	17.469 \| good	0.201 \| good
2025-09-05T07:00:00.000Z	38 \| good	6.98 \| good	31 \| good	24.291 \| good	0.26 \| good	21.898 \| good	0.299 \| good
2025-09-05T08:00:00.000Z	38 \| good	7.265 \| good	31.859 \| good	22.288 \| good	0.275 \| good	19.939 \| good	0.202 \| good
2025-09-05T09:00:00.000Z	44 \| good	7.914 \| good	35.818 \| good	13.485 \| good	0.277 \| good	20.511 \| good	0.3 \| good
2025-09-05T10:00:00.000Z	49 \| good	8.575 \| good	38.626 \| good	9.55 \| good	0.253 \| good	27.797 \| good	0.3 \| good
2025-09-05T11:00:00.000Z	44 \| good	8.121 \| good	36.845 \| good	8.511 \| good	0.213 \| good	29.756 \| good	0.299 \| good
2025-09-05T12:00:00.000Z	44 \| good	8.372 \| good	37.608 \| good	8.455 \| good	0.184 \| good	24.667 \| good	0.299 \| good
2025-09-05T13:00:00.000Z	52 \| moderate	9.72 \| good	43.289 \| good	7.458 \| good	0.257 \| good	27.833 \| good	0.399 \| good
2025-09-05T14:00:00.000Z	52 \| moderate	9.947 \| good	44.477 \| good	7.524 \| good	0.301 \| good	25.403 \| good	0.402 \| good
2025-09-05T15:00:00.000Z	60 \| moderate	13.868 \| fine	62.959 \| fine	11.465 \| good	0.423 \| good	24.982 \| good	0.499 \| good
2025-09-05T16:00:00.000Z	60 \| moderate	13.863 \| fine	62.086 \| fine	17.509 \| good	0.435 \| good	24.522 \| good	0.4 \| good
2025-09-05T17:00:00.000Z	58 \| moderate	12.918 \| fine	59.116 \| fine	28.238 \| good	0.433 \| good	20.939 \| good	0.302 \| good
2025-09-05T18:00:00.000Z	56 \| moderate	12.469 \| fine	57.543 \| fine	33.343 \| good	0.385 \| good	17.252 \| good	0.3 \| good
2025-09-05T19:00:00.000Z	60 \| moderate	14.307 \| fine	65.646 \| fine	38.32 \| good	0.332 \| good	15.847 \| good	0.202 \| good
2025-09-05T20:00:00.000Z	58 \| moderate	13.332 \| fine	60.482 \| fine	47.164 \| good	0.264 \| good	9.299 \| good	0.199 \| good
2025-09-05T21:00:00.000Z	54 \| moderate	10.714 \| good	48.734 \| good	51.167 \| good	0.307 \| good	5.582 \| good	0.103 \| good
2025-09-05T22:00:00.000Z	54 \| moderate	8.602 \| good	39.187 \| good	56.229 \| fine	0.293 \| good	5.284 \| good	0.2 \| good
2025-09-05T23:00:00.000Z	74 \| moderate	8.412 \| good	37.946 \| good	61.983 \| fine	0.373 \| good	5.349 \| good	0.198 \| good
2025-09-06T00:00:00.000Z	74 \| moderate	9.752 \| good	43.773 \| good	62.003 \| fine	0.394 \| good	6.029 \| good	0.2 \| good
2025-09-06T01:00:00.000Z	84 \| moderate	10.425 \| good	46.446 \| good	64.91 \| fine	0.447 \| good	7.736 \| good	0.201 \| good
2025-09-06T02:00:00.000Z	97 \| moderate	13.337 \| fine	60.893 \| fine	68.776 \| fine	0.402 \| good	12.479 \| good	0.395 \| good
2025-09-06T03:00:00.000Z	84 \| moderate	12.355 \| fine	57.033 \| fine	64.729 \| fine	0.268 \| good	10.667 \| good	0.298 \| good
2025-09-06T04:00:00.000Z	56 \| moderate	11.578 \| good	51.98 \| good	55.876 \| fine	0.338 \| good	11.879 \| good	0.396 \| good
2025-09-06T05:00:00.000Z	54 \| moderate	11.145 \| good	50.125 \| good	48.002 \| good	0.375 \| good	14.494 \| good	0.397 \| good
2025-09-06T06:00:00.000Z	56 \| moderate	12.007 \| good	54.947 \| good	39.155 \| good	0.236 \| good	20.259 \| good	0.398 \| good
2025-09-06T07:00:00.000Z	54 \| moderate	11.403 \| good	51.247 \| good	28.303 \| good	0.29 \| good	24.238 \| good	0.4 \| good
2025-09-06T08:00:00.000Z	60 \| moderate	14.167 \| fine	63.617 \| fine	21.324 \| good	0.284 \| good	31.71 \| good	0.499 \| good
2025-09-06T08:00:00.000Z	60 \| moderate	14.066 \| fine	43.781 \| good	18.616 \| good	0.279 \| good	19.621 \| good	0.486 \| good
2025-08-30T21:00:00.000Z	166 \| unhealthy	9.013 \| good	40.724 \| good	91.927 \| poor	2.592 \| good	2.535 \| good	0.16 \| good
2025-08-30T22:00:00.000Z	174 \| unhealthy	12.671 \| fine	56.913 \| fine	95.131 \| poor	2.619 \| good	2.832 \| good	0.157 \| good
2025-08-30T23:00:00.000Z	177 \| unhealthy	12.499 \| fine	56.83 \| fine	95.993 \| poor	2.645 \| good	3.129 \| good	0.155 \| good
2025-08-31T00:00:00.000Z	140 \| sensitive	13.054 \| fine	59.002 \| fine	82.216 \| moderate	2.672 \| good	3.426 \| good	0.152 \| good
2025-08-31T01:00:00.000Z	108 \| sensitive	12.776 \| fine	57.112 \| fine	73.21 \| moderate	2.917 \| good	5.523 \| good	0.161 \| good
2025-08-31T02:00:00.000Z	56 \| moderate	11.675 \| good	51.259 \| good	56.367 \| fine	3.161 \| good	7.62 \| good	0.17 \| good
2025-08-31T03:00:00.000Z	49 \| good	8.914 \| good	39.045 \| good	43.453 \| good	3.406 \| good	9.717 \| good	0.179 \| good
2025-08-31T04:00:00.000Z	49 \| good	9.134 \| good	40.95 \| good	32.911 \| good	3.539 \| good	12.23 \| good	0.197 \| good
2025-08-31T05:00:00.000Z	44 \| good	8.135 \| good	35.949 \| good	23.344 \| good	3.671 \| good	14.743 \| good	0.216 \| good
2025-08-31T06:00:00.000Z	49 \| good	9.334 \| good	41.941 \| good	19.74 \| good	3.804 \| good	17.256 \| good	0.234 \| good
2025-08-31T07:00:00.000Z	52 \| moderate	10.003 \| good	44.904 \| good	18.367 \| good	3.936 \| good	18.221 \| good	0.246 \| good
2025-08-31T08:00:00.000Z	56 \| moderate	11.976 \| good	53.869 \| good	16.562 \| good	4.068 \| good	19.186 \| good	0.259 \| good
2025-08-31T09:00:00.000Z	60 \| moderate	13.897 \| fine	62.731 \| fine	16.276 \| good	4.201 \| good	20.151 \| good	0.271 \| good
2025-08-31T10:00:00.000Z	54 \| moderate	11.246 \| good	49.91 \| good	17.638 \| good	4.179 \| good	19.048 \| good	0.267 \| good
2025-08-31T11:00:00.000Z	58 \| moderate	12.574 \| fine	56.787 \| fine	17.327 \| good	4.157 \| good	17.944 \| good	0.263 \| good
2025-08-31T12:00:00.000Z	56 \| moderate	12.183 \| fine	54.704 \| good	20.849 \| good	4.135 \| good	16.841 \| good	0.259 \| good
2025-08-31T13:00:00.000Z	56 \| moderate	11.788 \| good	51.962 \| good	17.099 \| good	3.883 \| good	16.838 \| good	0.278 \| good
2025-08-31T14:00:00.000Z	60 \| moderate	13.711 \| fine	60.886 \| fine	20.873 \| good	3.631 \| good	16.836 \| good	0.297 \| good
2025-08-31T15:00:00.000Z	62 \| moderate	14.642 \| fine	64.869 \| fine	31.417 \| good	3.379 \| good	16.833 \| good	0.317 \| good
2025-08-31T16:00:00.000Z	62 \| moderate	15.212 \| fine	68.63 \| fine	45.703 \| good	3.568 \| good	13.867 \| good	0.28 \| good
2025-08-31T17:00:00.000Z	64 \| moderate	15.181 \| fine	68.42 \| fine	59.261 \| fine	3.757 \| good	10.9 \| good	0.243 \| good
2025-08-31T18:00:00.000Z	100 \| moderate	14.131 \| fine	62.66 \| fine	69.605 \| fine	3.945 \| good	7.934 \| good	0.206 \| good
2025-08-31T19:00:00.000Z	133 \| sensitive	14.72 \| fine	66.384 \| fine	80.478 \| moderate	3.607 \| good	6.561 \| good	0.193 \| good
2025-08-31T20:00:00.000Z	150 \| sensitive	11.773 \| good	51.686 \| good	84.726 \| moderate	3.269 \| good	5.187 \| good	0.18 \| good
2025-08-31T21:00:00.000Z	147 \| sensitive	9.988 \| good	44.623 \| good	83.91 \| moderate	2.931 \| good	3.814 \| good	0.167 \| good
2025-08-31T22:00:00.000Z	150 \| sensitive	11.151 \| good	49.794 \| good	85.017 \| moderate	3.164 \| good	3.921 \| good	0.164 \| good
2025-08-31T23:00:00.000Z	151 \| unhealthy	11.868 \| good	53.683 \| good	85.979 \| moderate	3.396 \| good	4.028 \| good	0.161 \| good
2025-09-01T00:00:00.000Z	122 \| sensitive	12.699 \| fine	57.017 \| fine	77.234 \| moderate	3.629 \| good	4.135 \| good	0.158 \| good
2025-09-01T01:00:00.000Z	100 \| moderate	11.366 \| good	49.991 \| good	69.897 \| fine	3.984 \| good	6.365 \| good	0.17 \| good
2025-09-01T02:00:00.000Z	58 \| moderate	12.509 \| fine	56.761 \| fine	55.833 \| fine	4.338 \| good	8.595 \| good	0.181 \| good
2025-09-01T03:00:00.000Z	54 \| moderate	10.863 \| good	47.907 \| good	43.183 \| good	4.692 \| good	10.826 \| good	0.193 \| good
2025-09-01T04:00:00.000Z	56 \| moderate	11.807 \| good	51.954 \| good	36.023 \| good	4.63 \| good	12.933 \| good	0.211 \| good
2025-09-01T05:00:00.000Z	56 \| moderate	12.008 \| good	53.82 \| good	30.767 \| good	4.568 \| good	15.039 \| good	0.23 \| good
2025-09-01T06:00:00.000Z	58 \| moderate	12.652 \| fine	56.853 \| fine	24.075 \| good	4.506 \| good	17.146 \| good	0.249 \| good
2025-09-01T07:00:00.000Z	56 \| moderate	12.209 \| fine	54.74 \| good	20.431 \| good	4.464 \| good	17.656 \| good	0.259 \| good
2025-09-01T08:00:00.000Z	56 \| moderate	11.788 \| good	51.868 \| good	16.745 \| good	4.421 \| good	18.165 \| good	0.269 \| good
2025-09-01T09:00:00.000Z	58 \| moderate	13.066 \| fine	58.71 \| fine	15.217 \| good	4.378 \| good	18.675 \| good	0.28 \| good
2025-09-01T10:00:00.000Z	54 \| moderate	10.579 \| good	46.768 \| good	13.886 \| good	4.05 \| good	17.265 \| good	0.268 \| good
2025-09-01T11:00:00.000Z	56 \| moderate	11.765 \| good	51.763 \| good	12.176 \| good	3.722 \| good	15.855 \| good	0.257 \| good
2025-09-01T12:00:00.000Z	52 \| moderate	10.172 \| good	44.754 \| good	11.491 \| good	3.394 \| good	14.445 \| good	0.245 \| good
2025-09-01T13:00:00.000Z	49 \| good	8.589 \| good	37.722 \| good	10.497 \| good	3.006 \| good	14.124 \| good	0.252 \| good
2025-09-01T14:00:00.000Z	52 \| moderate	9.641 \| good	42.606 \| good	14.06 \| good	2.619 \| good	13.804 \| good	0.259 \| good
2025-09-01T15:00:00.000Z	54 \| moderate	10.908 \| good	47.806 \| good	26.234 \| good	2.231 \| good	13.484 \| good	0.266 \| good
2025-09-01T16:00:00.000Z	60 \| moderate	13.804 \| fine	62.524 \| fine	40.595 \| good	2.359 \| good	10.872 \| good	0.232 \| good
2025-09-01T17:00:00.000Z	61 \| moderate	14.425 \| fine	64.436 \| fine	58.008 \| fine	2.488 \| good	8.259 \| good	0.197 \| good
2025-09-01T18:00:00.000Z	101 \| sensitive	12.079 \| good	54.47 \| good	70.806 \| fine	2.616 \| good	5.647 \| good	0.162 \| good
2025-09-01T19:00:00.000Z	147 \| sensitive	10.988 \| good	48.619 \| good	83.774 \| moderate	2.736 \| good	5.102 \| good	0.162 \| good
2025-09-01T20:00:00.000Z	154 \| unhealthy	9.993 \| good	44.593 \| good	86.719 \| poor	2.857 \| good	4.556 \| good	0.162 \| good

Rialto

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Rialto, California

0.20ppm

How accurate is California, USA air quality data?

The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How frequently does the air quality data for Rialto, California get updated?

Air quality updates for Rialto, California are available every hour.

What time in the past 24 hours saw the poorest air quality in Rialto, California?

Rialto, California experienced its worst air quality at 11:00:00, 2025-08-29.

When was air quality in Rialto, California the best over the past 24 hours?

The best air quality in Rialto, California was observed at 02:00:00 on 2025-08-30.

What is the air quality in Rialto, California right now?

The air quality in Rialto, California right now is Moderate, with an AQI of 93.

What pollutant is most frequently found in Rialto, California?

In Rialto, California, O3 is the most frequently found pollutant.

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

When air quality in Rialto, California is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Rialto, California right now?

Rialto, California currently has a PM_2.5 concentration of 8.755 μg/m³.

What is the current level of PM₁₀ in Rialto, California?

Rialto, California currently has a PM₁₀ concentration of 30.58 μg/m³.

What is the current level of carbon monoxide (CO) in Rialto, California?

The current carbon monoxide (CO) level in Rialto, California is 0.231 ppm.

What is the current level of sulfur dioxide (SO₂) in Rialto, California?

The current sulfur dioxide (SO₂) concentration in Rialto, California is 0.702 ppb.

What is the current level of ozone (O₃) in Rialto, California?

Rialto, California currently has an ozone (O₃) concentration of 68.008 ppm.

What is the current level of nitrogen dioxide (NO₂) in Rialto, California?

The current level of nitrogen dioxide (NO₂) in Rialto, California is 7.65 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-04T09:00:00.000Z	49 \| good	8.65 \| good	38.893 \| good	13.11 \| good	0.291 \| good	24.293 \| good	0.299 \| good
2025-09-04T10:00:00.000Z	44 \| good	8.494 \| good	38.118 \| good	7.194 \| good	0.279 \| good	24.037 \| good	0.3 \| good
2025-09-04T11:00:00.000Z	44 \| good	7.973 \| good	36.026 \| good	10.068 \| good	0.256 \| good	26.69 \| good	0.3 \| good
2025-09-04T12:00:00.000Z	44 \| good	7.686 \| good	35.301 \| good	9.058 \| good	0.339 \| good	28.376 \| good	0.3 \| good
2025-09-04T13:00:00.000Z	52 \| moderate	9.986 \| good	44.169 \| good	14.354 \| good	2.474 \| good	12.804 \| good	0.271 \| good
2025-09-04T14:00:00.000Z	56 \| moderate	12.458 \| fine	57.605 \| fine	7.125 \| good	0.404 \| good	29.904 \| good	0.4 \| good
2025-09-04T15:00:00.000Z	62 \| moderate	15.257 \| fine	68.384 \| fine	10.145 \| good	0.361 \| good	25.525 \| good	0.4 \| good
2025-09-04T16:00:00.000Z	64 \| moderate	15.797 \| fine	70.553 \| fine	18.143 \| good	0.503 \| good	21.081 \| good	0.302 \| good
2025-09-04T17:00:00.000Z	60 \| moderate	13.95 \| fine	62.535 \| fine	27.097 \| good	0.527 \| good	16.767 \| good	0.302 \| good
2025-09-04T18:00:00.000Z	56 \| moderate	11.524 \| good	51.805 \| good	38.073 \| good	0.475 \| good	15.168 \| good	0.298 \| good
2025-09-04T19:00:00.000Z	52 \| moderate	9.838 \| good	43.971 \| good	50.136 \| good	0.533 \| good	10.085 \| good	0.2 \| good
2025-09-04T20:00:00.000Z	74 \| moderate	9.083 \| good	40.866 \| good	62.062 \| fine	0.542 \| good	8.224 \| good	0.2 \| good
2025-09-04T21:00:00.000Z	108 \| sensitive	9.943 \| good	44.847 \| good	73.083 \| moderate	0.588 \| good	7.132 \| good	0.201 \| good
2025-09-04T22:00:00.000Z	136 \| sensitive	11.449 \| good	51.844 \| good	80.941 \| moderate	0.644 \| good	6.446 \| good	0.201 \| good
2025-09-04T23:00:00.000Z	136 \| sensitive	13.377 \| fine	60.467 \| fine	80.876 \| moderate	0.403 \| good	5.834 \| good	0.199 \| good
2025-09-05T00:00:00.000Z	140 \| sensitive	13.347 \| fine	60.406 \| fine	81.705 \| moderate	0.898 \| good	6.537 \| good	0.199 \| good
2025-09-05T01:00:00.000Z	100 \| moderate	11.408 \| good	51.595 \| good	70.156 \| fine	1.178 \| good	6.043 \| good	0.199 \| good
2025-09-05T02:00:00.000Z	100 \| moderate	9.094 \| good	41.098 \| good	70.156 \| fine	1.057 \| good	7.156 \| good	0.199 \| good
2025-09-05T03:00:00.000Z	50 \| good	8.054 \| good	36.667 \| good	54.149 \| good	0.455 \| good	9.444 \| good	0.199 \| good
2025-09-05T04:00:00.000Z	50 \| good	7.353 \| good	33.8 \| good	54.149 \| good	0.291 \| good	13.017 \| good	0.297 \| good
2025-09-05T05:00:00.000Z	44 \| good	7.54 \| good	34.524 \| good	47.142 \| good	0.429 \| good	13.247 \| good	0.298 \| good
2025-09-05T06:00:00.000Z	38 \| good	7.21 \| good	31.779 \| good	30.284 \| good	0.344 \| good	17.469 \| good	0.201 \| good
2025-09-05T07:00:00.000Z	38 \| good	6.98 \| good	31 \| good	24.291 \| good	0.26 \| good	21.898 \| good	0.299 \| good
2025-09-05T08:00:00.000Z	38 \| good	7.265 \| good	31.859 \| good	22.288 \| good	0.275 \| good	19.939 \| good	0.202 \| good
2025-09-05T09:00:00.000Z	44 \| good	7.914 \| good	35.818 \| good	13.485 \| good	0.277 \| good	20.511 \| good	0.3 \| good
2025-09-05T10:00:00.000Z	49 \| good	8.575 \| good	38.626 \| good	9.55 \| good	0.253 \| good	27.797 \| good	0.3 \| good
2025-09-05T11:00:00.000Z	44 \| good	8.121 \| good	36.845 \| good	8.511 \| good	0.213 \| good	29.756 \| good	0.299 \| good
2025-09-05T12:00:00.000Z	44 \| good	8.372 \| good	37.608 \| good	8.455 \| good	0.184 \| good	24.667 \| good	0.299 \| good
2025-09-05T13:00:00.000Z	52 \| moderate	9.72 \| good	43.289 \| good	7.458 \| good	0.257 \| good	27.833 \| good	0.399 \| good
2025-09-05T14:00:00.000Z	52 \| moderate	9.947 \| good	44.477 \| good	7.524 \| good	0.301 \| good	25.403 \| good	0.402 \| good
2025-09-05T15:00:00.000Z	60 \| moderate	13.868 \| fine	62.959 \| fine	11.465 \| good	0.423 \| good	24.982 \| good	0.499 \| good
2025-09-05T16:00:00.000Z	60 \| moderate	13.863 \| fine	62.086 \| fine	17.509 \| good	0.435 \| good	24.522 \| good	0.4 \| good
2025-09-05T17:00:00.000Z	58 \| moderate	12.918 \| fine	59.116 \| fine	28.238 \| good	0.433 \| good	20.939 \| good	0.302 \| good
2025-09-05T18:00:00.000Z	56 \| moderate	12.469 \| fine	57.543 \| fine	33.343 \| good	0.385 \| good	17.252 \| good	0.3 \| good
2025-09-05T19:00:00.000Z	60 \| moderate	14.307 \| fine	65.646 \| fine	38.32 \| good	0.332 \| good	15.847 \| good	0.202 \| good
2025-09-05T20:00:00.000Z	58 \| moderate	13.332 \| fine	60.482 \| fine	47.164 \| good	0.264 \| good	9.299 \| good	0.199 \| good
2025-09-05T21:00:00.000Z	54 \| moderate	10.714 \| good	48.734 \| good	51.167 \| good	0.307 \| good	5.582 \| good	0.103 \| good
2025-09-05T22:00:00.000Z	54 \| moderate	8.602 \| good	39.187 \| good	56.229 \| fine	0.293 \| good	5.284 \| good	0.2 \| good
2025-09-05T23:00:00.000Z	74 \| moderate	8.412 \| good	37.946 \| good	61.983 \| fine	0.373 \| good	5.349 \| good	0.198 \| good
2025-09-06T00:00:00.000Z	74 \| moderate	9.752 \| good	43.773 \| good	62.003 \| fine	0.394 \| good	6.029 \| good	0.2 \| good
2025-09-06T01:00:00.000Z	84 \| moderate	10.425 \| good	46.446 \| good	64.91 \| fine	0.447 \| good	7.736 \| good	0.201 \| good
2025-09-06T02:00:00.000Z	97 \| moderate	13.337 \| fine	60.893 \| fine	68.776 \| fine	0.402 \| good	12.479 \| good	0.395 \| good
2025-09-06T03:00:00.000Z	84 \| moderate	12.355 \| fine	57.033 \| fine	64.729 \| fine	0.268 \| good	10.667 \| good	0.298 \| good
2025-09-06T04:00:00.000Z	56 \| moderate	11.578 \| good	51.98 \| good	55.876 \| fine	0.338 \| good	11.879 \| good	0.396 \| good
2025-09-06T05:00:00.000Z	54 \| moderate	11.145 \| good	50.125 \| good	48.002 \| good	0.375 \| good	14.494 \| good	0.397 \| good
2025-09-06T06:00:00.000Z	56 \| moderate	12.007 \| good	54.947 \| good	39.155 \| good	0.236 \| good	20.259 \| good	0.398 \| good
2025-09-06T07:00:00.000Z	54 \| moderate	11.403 \| good	51.247 \| good	28.303 \| good	0.29 \| good	24.238 \| good	0.4 \| good
2025-09-06T08:00:00.000Z	60 \| moderate	14.167 \| fine	63.617 \| fine	21.324 \| good	0.284 \| good	31.71 \| good	0.499 \| good
2025-09-06T08:00:00.000Z	60 \| moderate	14.066 \| fine	43.781 \| good	18.616 \| good	0.279 \| good	19.621 \| good	0.486 \| good
2025-08-30T21:00:00.000Z	166 \| unhealthy	9.013 \| good	40.724 \| good	91.927 \| poor	2.592 \| good	2.535 \| good	0.16 \| good
2025-08-30T22:00:00.000Z	174 \| unhealthy	12.671 \| fine	56.913 \| fine	95.131 \| poor	2.619 \| good	2.832 \| good	0.157 \| good
2025-08-30T23:00:00.000Z	177 \| unhealthy	12.499 \| fine	56.83 \| fine	95.993 \| poor	2.645 \| good	3.129 \| good	0.155 \| good
2025-08-31T00:00:00.000Z	140 \| sensitive	13.054 \| fine	59.002 \| fine	82.216 \| moderate	2.672 \| good	3.426 \| good	0.152 \| good
2025-08-31T01:00:00.000Z	108 \| sensitive	12.776 \| fine	57.112 \| fine	73.21 \| moderate	2.917 \| good	5.523 \| good	0.161 \| good
2025-08-31T02:00:00.000Z	56 \| moderate	11.675 \| good	51.259 \| good	56.367 \| fine	3.161 \| good	7.62 \| good	0.17 \| good
2025-08-31T03:00:00.000Z	49 \| good	8.914 \| good	39.045 \| good	43.453 \| good	3.406 \| good	9.717 \| good	0.179 \| good
2025-08-31T04:00:00.000Z	49 \| good	9.134 \| good	40.95 \| good	32.911 \| good	3.539 \| good	12.23 \| good	0.197 \| good
2025-08-31T05:00:00.000Z	44 \| good	8.135 \| good	35.949 \| good	23.344 \| good	3.671 \| good	14.743 \| good	0.216 \| good
2025-08-31T06:00:00.000Z	49 \| good	9.334 \| good	41.941 \| good	19.74 \| good	3.804 \| good	17.256 \| good	0.234 \| good
2025-08-31T07:00:00.000Z	52 \| moderate	10.003 \| good	44.904 \| good	18.367 \| good	3.936 \| good	18.221 \| good	0.246 \| good
2025-08-31T08:00:00.000Z	56 \| moderate	11.976 \| good	53.869 \| good	16.562 \| good	4.068 \| good	19.186 \| good	0.259 \| good
2025-08-31T09:00:00.000Z	60 \| moderate	13.897 \| fine	62.731 \| fine	16.276 \| good	4.201 \| good	20.151 \| good	0.271 \| good
2025-08-31T10:00:00.000Z	54 \| moderate	11.246 \| good	49.91 \| good	17.638 \| good	4.179 \| good	19.048 \| good	0.267 \| good
2025-08-31T11:00:00.000Z	58 \| moderate	12.574 \| fine	56.787 \| fine	17.327 \| good	4.157 \| good	17.944 \| good	0.263 \| good
2025-08-31T12:00:00.000Z	56 \| moderate	12.183 \| fine	54.704 \| good	20.849 \| good	4.135 \| good	16.841 \| good	0.259 \| good
2025-08-31T13:00:00.000Z	56 \| moderate	11.788 \| good	51.962 \| good	17.099 \| good	3.883 \| good	16.838 \| good	0.278 \| good
2025-08-31T14:00:00.000Z	60 \| moderate	13.711 \| fine	60.886 \| fine	20.873 \| good	3.631 \| good	16.836 \| good	0.297 \| good
2025-08-31T15:00:00.000Z	62 \| moderate	14.642 \| fine	64.869 \| fine	31.417 \| good	3.379 \| good	16.833 \| good	0.317 \| good
2025-08-31T16:00:00.000Z	62 \| moderate	15.212 \| fine	68.63 \| fine	45.703 \| good	3.568 \| good	13.867 \| good	0.28 \| good
2025-08-31T17:00:00.000Z	64 \| moderate	15.181 \| fine	68.42 \| fine	59.261 \| fine	3.757 \| good	10.9 \| good	0.243 \| good
2025-08-31T18:00:00.000Z	100 \| moderate	14.131 \| fine	62.66 \| fine	69.605 \| fine	3.945 \| good	7.934 \| good	0.206 \| good
2025-08-31T19:00:00.000Z	133 \| sensitive	14.72 \| fine	66.384 \| fine	80.478 \| moderate	3.607 \| good	6.561 \| good	0.193 \| good
2025-08-31T20:00:00.000Z	150 \| sensitive	11.773 \| good	51.686 \| good	84.726 \| moderate	3.269 \| good	5.187 \| good	0.18 \| good
2025-08-31T21:00:00.000Z	147 \| sensitive	9.988 \| good	44.623 \| good	83.91 \| moderate	2.931 \| good	3.814 \| good	0.167 \| good
2025-08-31T22:00:00.000Z	150 \| sensitive	11.151 \| good	49.794 \| good	85.017 \| moderate	3.164 \| good	3.921 \| good	0.164 \| good
2025-08-31T23:00:00.000Z	151 \| unhealthy	11.868 \| good	53.683 \| good	85.979 \| moderate	3.396 \| good	4.028 \| good	0.161 \| good
2025-09-01T00:00:00.000Z	122 \| sensitive	12.699 \| fine	57.017 \| fine	77.234 \| moderate	3.629 \| good	4.135 \| good	0.158 \| good
2025-09-01T01:00:00.000Z	100 \| moderate	11.366 \| good	49.991 \| good	69.897 \| fine	3.984 \| good	6.365 \| good	0.17 \| good
2025-09-01T02:00:00.000Z	58 \| moderate	12.509 \| fine	56.761 \| fine	55.833 \| fine	4.338 \| good	8.595 \| good	0.181 \| good
2025-09-01T03:00:00.000Z	54 \| moderate	10.863 \| good	47.907 \| good	43.183 \| good	4.692 \| good	10.826 \| good	0.193 \| good
2025-09-01T04:00:00.000Z	56 \| moderate	11.807 \| good	51.954 \| good	36.023 \| good	4.63 \| good	12.933 \| good	0.211 \| good
2025-09-01T05:00:00.000Z	56 \| moderate	12.008 \| good	53.82 \| good	30.767 \| good	4.568 \| good	15.039 \| good	0.23 \| good
2025-09-01T06:00:00.000Z	58 \| moderate	12.652 \| fine	56.853 \| fine	24.075 \| good	4.506 \| good	17.146 \| good	0.249 \| good
2025-09-01T07:00:00.000Z	56 \| moderate	12.209 \| fine	54.74 \| good	20.431 \| good	4.464 \| good	17.656 \| good	0.259 \| good
2025-09-01T08:00:00.000Z	56 \| moderate	11.788 \| good	51.868 \| good	16.745 \| good	4.421 \| good	18.165 \| good	0.269 \| good
2025-09-01T09:00:00.000Z	58 \| moderate	13.066 \| fine	58.71 \| fine	15.217 \| good	4.378 \| good	18.675 \| good	0.28 \| good
2025-09-01T10:00:00.000Z	54 \| moderate	10.579 \| good	46.768 \| good	13.886 \| good	4.05 \| good	17.265 \| good	0.268 \| good
2025-09-01T11:00:00.000Z	56 \| moderate	11.765 \| good	51.763 \| good	12.176 \| good	3.722 \| good	15.855 \| good	0.257 \| good
2025-09-01T12:00:00.000Z	52 \| moderate	10.172 \| good	44.754 \| good	11.491 \| good	3.394 \| good	14.445 \| good	0.245 \| good
2025-09-01T13:00:00.000Z	49 \| good	8.589 \| good	37.722 \| good	10.497 \| good	3.006 \| good	14.124 \| good	0.252 \| good
2025-09-01T14:00:00.000Z	52 \| moderate	9.641 \| good	42.606 \| good	14.06 \| good	2.619 \| good	13.804 \| good	0.259 \| good
2025-09-01T15:00:00.000Z	54 \| moderate	10.908 \| good	47.806 \| good	26.234 \| good	2.231 \| good	13.484 \| good	0.266 \| good
2025-09-01T16:00:00.000Z	60 \| moderate	13.804 \| fine	62.524 \| fine	40.595 \| good	2.359 \| good	10.872 \| good	0.232 \| good
2025-09-01T17:00:00.000Z	61 \| moderate	14.425 \| fine	64.436 \| fine	58.008 \| fine	2.488 \| good	8.259 \| good	0.197 \| good
2025-09-01T18:00:00.000Z	101 \| sensitive	12.079 \| good	54.47 \| good	70.806 \| fine	2.616 \| good	5.647 \| good	0.162 \| good
2025-09-01T19:00:00.000Z	147 \| sensitive	10.988 \| good	48.619 \| good	83.774 \| moderate	2.736 \| good	5.102 \| good	0.162 \| good
2025-09-01T20:00:00.000Z	154 \| unhealthy	9.993 \| good	44.593 \| good	86.719 \| poor	2.857 \| good	4.556 \| good	0.162 \| good

Current air quality index in Rialto, California today

Common air pollutants in Rialto, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Rialto, California air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Rialto, California

Air quality in nearby cities

Bloomington, California

Muscoy, California

Fontana, California

Colton, California

San Bernardino, California

Grand Terrace, California

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently does the air quality data for Rialto, California get updated?

What time in the past 24 hours saw the poorest air quality in Rialto, California?

When was air quality in Rialto, California the best over the past 24 hours?

What is the air quality in Rialto, California right now?

What pollutant is most frequently found in Rialto, California?

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

What is the PM2.5 concentration in Rialto, California right now?

What is the current level of PM10 in Rialto, California?

What is the current level of carbon monoxide (CO) in Rialto, California?

What is the current level of sulfur dioxide (SO2) in Rialto, California?

What is the current level of ozone (O3) in Rialto, California?

What is the current level of nitrogen dioxide (NO2) in Rialto, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Rialto, California right now?

What is the current level of PM₁₀ in Rialto, California?

What is the current level of sulfur dioxide (SO₂) in Rialto, California?

What is the current level of ozone (O₃) in Rialto, California?

What is the current level of nitrogen dioxide (NO₂) in Rialto, California?