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

Rialto, California currently has a PM10 concentration of 29.374 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Rialto, California is 0.706 ppb.

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

Rialto, California currently has an ozone (O3) concentration of 41.774 ppm.

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

The current level of nitrogen dioxide (NO2) in Rialto, California is 7.023 ppb.

Current air quality index in Rialto, California today

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

Rialto, California currently has a PM2.5 concentration of 6.278 μg/m3.

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)

Good

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)

6.28 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.37 μg/m³

155

255

425

605+

Ozone (O₃)

41.77 ppb

201

201+

Sulfur Dioxide (SO₂)

0.71 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.02 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

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
2026-03-07T22:00:00.000Z	40 \| good	3.294 \| good	19.485 \| good	43.101 \| good	0.457 \| good	0.291 \| good	0.109 \| good
2026-03-07T23:00:00.000Z	43 \| good	2.618 \| good	16.527 \| good	45.675 \| good	0.508 \| good	0.606 \| good	0.109 \| good
2026-03-08T00:00:00.000Z	42 \| good	3.743 \| good	20.497 \| good	45.327 \| good	0.455 \| good	0.712 \| good	0.109 \| good
2026-03-08T01:00:00.000Z	41 \| good	2.766 \| good	14.814 \| good	44.217 \| good	0.507 \| good	0.897 \| good	0.109 \| good
2026-03-08T02:00:00.000Z	39 \| good	2.887 \| good	14.414 \| good	42.078 \| good	0.457 \| good	0.564 \| good	0.116 \| good
2026-03-08T03:00:00.000Z	42 \| good	0.72 \| good	2.797 \| good	44.531 \| good	0.619 \| good	9.548 \| good	0.179 \| good
2026-03-08T04:00:00.000Z	40 \| good	2.446 \| good	12.418 \| good	43.214 \| good	0.497 \| good	1.153 \| good	0.153 \| good
2026-03-08T05:00:00.000Z	43 \| good	2.507 \| good	12.354 \| good	46.224 \| good	0.567 \| good	1.572 \| good	0.199 \| good
2026-03-08T06:00:00.000Z	43 \| good	2.203 \| good	10.226 \| good	46.163 \| good	0.484 \| good	2.36 \| good	0.234 \| good
2026-03-08T07:00:00.000Z	43 \| good	2.111 \| good	10.305 \| good	46.314 \| good	0.485 \| good	2.58 \| good	0.234 \| good
2026-03-08T08:00:00.000Z	43 \| good	2.365 \| good	14.996 \| good	45.649 \| good	0.458 \| good	1.105 \| good	0.188 \| good
2026-03-08T09:00:00.000Z	39 \| good	2.775 \| good	16.605 \| good	42.435 \| good	0.467 \| good	0.797 \| good	0.172 \| good
2026-03-08T10:00:00.000Z	39 \| good	2.785 \| good	16.914 \| good	42.435 \| good	0.467 \| good	0.594 \| good	0.172 \| good
2026-03-08T11:00:00.000Z	39 \| good	2.784 \| good	17.32 \| good	42.435 \| good	0.47 \| good	0.587 \| good	0.172 \| good
2026-03-08T12:00:00.000Z	39 \| good	2.876 \| good	16.356 \| good	42.435 \| good	0.44 \| good	8.247 \| good	0.421 \| good
2026-03-08T13:00:00.000Z	39 \| good	2.25 \| good	9.905 \| good	42.435 \| good	0.584 \| good	10.752 \| good	0.421 \| good
2026-03-08T14:00:00.000Z	31 \| good	2.635 \| good	10.583 \| good	33.133 \| good	0.459 \| good	4.326 \| good	0.264 \| good
2026-03-08T15:00:00.000Z	28 \| good	2.755 \| good	11.695 \| good	30.353 \| good	0.567 \| good	9.194 \| good	0.285 \| good
2026-03-08T16:00:00.000Z	29 \| good	3.101 \| good	14.752 \| good	31.22 \| good	0.531 \| good	7.966 \| good	0.266 \| good
2026-03-08T17:00:00.000Z	31 \| good	2.851 \| good	16.325 \| good	32.704 \| good	0.516 \| good	5.972 \| good	0.216 \| good
2026-03-08T18:00:00.000Z	36 \| good	3.064 \| good	17.332 \| good	38.768 \| good	0.467 \| good	1.333 \| good	0.176 \| good
2026-03-08T19:00:00.000Z	38 \| good	3.248 \| good	18.258 \| good	41.113 \| good	0.469 \| good	0.648 \| good	0.145 \| good
2026-03-08T20:00:00.000Z	41 \| good	3.385 \| good	19.346 \| good	43.641 \| good	0.457 \| good	0.747 \| good	0.13 \| good
2026-03-08T21:00:00.000Z	41 \| good	3.331 \| good	18.091 \| good	43.855 \| good	0.515 \| good	0.543 \| good	0.119 \| good
2026-03-08T22:00:00.000Z	44 \| good	2.403 \| good	14.498 \| good	47.345 \| good	0.581 \| good	0.557 \| good	0.119 \| good
2026-03-08T23:00:00.000Z	47 \| good	2.679 \| good	15.11 \| good	50.677 \| good	0.499 \| good	0.538 \| good	0.119 \| good
2026-03-09T00:00:00.000Z	47 \| good	2.315 \| good	11.988 \| good	50.738 \| good	0.526 \| good	0.421 \| good	0.128 \| good
2026-03-09T01:00:00.000Z	44 \| good	1.844 \| good	9.601 \| good	48.152 \| good	0.554 \| good	0.905 \| good	0.119 \| good
2026-03-09T02:00:00.000Z	43 \| good	2.364 \| good	11.476 \| good	46.343 \| good	0.568 \| good	1.455 \| good	0.125 \| good
2026-03-09T03:00:00.000Z	38 \| good	7.246 \| good	32.245 \| good	33.753 \| good	1.148 \| good	26.007 \| good	0.281 \| good
2026-03-09T04:00:00.000Z	39 \| good	3.601 \| good	18.648 \| good	42.27 \| good	0.55 \| good	7.04 \| good	0.272 \| good
2026-03-09T05:00:00.000Z	32 \| good	4.175 \| good	18.982 \| good	35.161 \| good	0.704 \| good	12.991 \| good	0.276 \| good
2026-03-09T06:00:00.000Z	27 \| good	4.912 \| good	22.395 \| good	27.92 \| good	0.518 \| good	22.195 \| good	0.244 \| good
2026-03-09T07:00:00.000Z	27 \| good	4.69 \| good	20.923 \| good	27.92 \| good	0.532 \| good	22.668 \| good	0.244 \| good
2026-03-09T08:00:00.000Z	33 \| good	5.89 \| good	24.83 \| good	22.19 \| good	0.668 \| good	27.153 \| good	0.341 \| good
2026-03-09T09:00:00.000Z	33 \| good	5.543 \| good	22.089 \| good	24.242 \| good	0.603 \| good	12.278 \| good	0.172 \| good
2026-03-09T10:00:00.000Z	27 \| good	5.091 \| good	18.847 \| good	25.242 \| good	0.544 \| good	5.624 \| good	0.195 \| good
2026-03-09T11:00:00.000Z	33 \| good	6.405 \| good	26.483 \| good	26.361 \| good	0.586 \| good	6.117 \| good	0.209 \| good
2026-03-09T12:00:00.000Z	27 \| good	5.053 \| good	21.401 \| good	27.299 \| good	0.517 \| good	9.901 \| good	0.295 \| good
2026-03-09T13:00:00.000Z	27 \| good	5.092 \| good	21.634 \| good	27.299 \| good	0.512 \| good	9.766 \| good	0.295 \| good
2026-03-09T14:00:00.000Z	33 \| good	6.259 \| good	27.725 \| good	20.414 \| good	0.553 \| good	24.517 \| good	0.436 \| good
2026-03-09T15:00:00.000Z	44 \| good	7.969 \| good	37.18 \| good	18.131 \| good	0.668 \| good	24.628 \| good	0.63 \| good
2026-03-09T16:00:00.000Z	49 \| good	9.211 \| good	43.231 \| good	15.537 \| good	0.837 \| good	23.331 \| good	0.525 \| good
2026-03-09T17:00:00.000Z	49 \| good	8.84 \| good	40.259 \| good	19.145 \| good	0.807 \| good	17.363 \| good	0.362 \| good
2026-03-09T18:00:00.000Z	44 \| good	7.789 \| good	35.411 \| good	23.601 \| good	0.674 \| good	10.197 \| good	0.298 \| good
2026-03-09T19:00:00.000Z	38 \| good	6.974 \| good	30.856 \| good	30.639 \| good	0.653 \| good	8.144 \| good	0.212 \| good
2026-03-09T20:00:00.000Z	35 \| good	6.358 \| good	27.415 \| good	37.6 \| good	0.639 \| good	6.65 \| good	0.212 \| good
2026-03-09T21:00:00.000Z	38 \| good	5.864 \| good	26.406 \| good	40.871 \| good	0.663 \| good	5.634 \| good	0.221 \| good
2026-03-09T21:00:00.000Z	39 \| good	6.278 \| good	29.374 \| good	41.774 \| good	0.706 \| good	7.023 \| good	0.218 \| good
2026-03-09T22:00:00.000Z	52 \| moderate	9.7 \| good	43.357 \| good	54.3 \| good	1.702 \| good	4.226 \| good	0.163 \| good
2026-03-09T23:00:00.000Z	64 \| moderate	8.843 \| good	38.874 \| good	58.952 \| fine	1.674 \| good	4.139 \| good	0.159 \| good
2026-03-10T00:00:00.000Z	61 \| moderate	10.599 \| good	47.059 \| good	58.023 \| fine	1.645 \| good	4.051 \| good	0.154 \| good
2026-03-10T01:00:00.000Z	49 \| good	8.937 \| good	39.506 \| good	51.764 \| good	1.845 \| good	7.186 \| good	0.169 \| good
2026-03-10T02:00:00.000Z	39 \| good	4.216 \| good	18.174 \| good	41.779 \| good	2.045 \| good	10.322 \| good	0.184 \| good
2026-03-10T03:00:00.000Z	40 \| good	5.455 \| good	23.612 \| good	42.79 \| good	2.244 \| good	13.457 \| good	0.199 \| good
2026-03-10T04:00:00.000Z	36 \| good	4.793 \| good	20.611 \| good	38.592 \| good	2.392 \| good	17.464 \| good	0.221 \| good
2026-03-10T05:00:00.000Z	31 \| good	5.402 \| good	23.633 \| good	34.416 \| good	2.54 \| good	21.471 \| good	0.242 \| good
2026-03-10T06:00:00.000Z	30 \| good	4.126 \| good	17.717 \| good	32.118 \| good	2.687 \| good	25.478 \| good	0.264 \| good
2026-03-10T07:00:00.000Z	44 \| good	7.865 \| good	34.49 \| good	28.305 \| good	2.694 \| good	26.772 \| good	0.28 \| good
2026-03-10T08:00:00.000Z	54 \| moderate	11.256 \| good	50.29 \| good	23.047 \| good	2.701 \| good	28.066 \| good	0.295 \| good
2026-03-10T09:00:00.000Z	56 \| moderate	12.01 \| good	53.727 \| good	21.312 \| good	2.708 \| good	29.36 \| good	0.31 \| good
2026-03-10T10:00:00.000Z	49 \| good	8.897 \| good	39.226 \| good	28.467 \| good	2.617 \| good	26.862 \| good	0.297 \| good
2026-03-10T11:00:00.000Z	49 \| good	9.118 \| good	40.447 \| good	27.998 \| good	2.527 \| good	24.364 \| good	0.284 \| good
2026-03-10T12:00:00.000Z	44 \| good	8.1 \| good	35.636 \| good	22.186 \| good	2.436 \| good	21.866 \| good	0.271 \| good
2026-03-10T13:00:00.000Z	52 \| moderate	10.003 \| good	44.207 \| good	24.608 \| good	2.408 \| good	20.815 \| good	0.282 \| good
2026-03-10T14:00:00.000Z	52 \| moderate	9.743 \| good	43.324 \| good	27.081 \| good	2.379 \| good	19.764 \| good	0.293 \| good
2026-03-10T15:00:00.000Z	38 \| good	6.952 \| good	30.873 \| good	21.305 \| good	2.351 \| good	18.713 \| good	0.303 \| good
2026-03-10T16:00:00.000Z	38 \| good	7.491 \| good	33.196 \| good	30.289 \| good	2.606 \| good	15.016 \| good	0.26 \| good
2026-03-10T17:00:00.000Z	44 \| good	7.535 \| good	33.34 \| good	36.488 \| good	2.861 \| good	11.319 \| good	0.217 \| good
2026-03-10T18:00:00.000Z	34 \| good	6.388 \| good	28.304 \| good	37.103 \| good	3.116 \| good	7.622 \| good	0.174 \| good
2026-03-10T19:00:00.000Z	44 \| good	8.478 \| good	37.041 \| good	40.546 \| good	2.928 \| good	7.007 \| good	0.171 \| good
2026-03-10T20:00:00.000Z	49 \| good	8.934 \| good	39.532 \| good	45.376 \| good	2.74 \| good	6.391 \| good	0.168 \| good
2026-03-10T21:00:00.000Z	54 \| moderate	10.83 \| good	47.939 \| good	50.895 \| good	2.552 \| good	5.775 \| good	0.165 \| good
2026-03-10T22:00:00.000Z	58 \| moderate	12.798 \| fine	57.543 \| fine	51.671 \| good	2.624 \| good	5.975 \| good	0.164 \| good
2026-03-10T23:00:00.000Z	52 \| moderate	10.371 \| good	45.805 \| good	49.412 \| good	2.695 \| good	6.175 \| good	0.163 \| good
2026-03-11T00:00:00.000Z	46 \| good	7.507 \| good	33.008 \| good	49.544 \| good	2.767 \| good	6.375 \| good	0.162 \| good
2026-03-11T01:00:00.000Z	46 \| good	4.578 \| good	19.905 \| good	49.96 \| good	2.808 \| good	10.002 \| good	0.181 \| good
2026-03-11T02:00:00.000Z	40 \| good	6.605 \| good	29.275 \| good	43.187 \| good	2.849 \| good	13.629 \| good	0.2 \| good
2026-03-11T03:00:00.000Z	37 \| good	5.995 \| good	26.333 \| good	40.388 \| good	2.89 \| good	17.257 \| good	0.219 \| good
2026-03-11T04:00:00.000Z	38 \| good	6.778 \| good	30.199 \| good	35.183 \| good	3.108 \| good	22.894 \| good	0.25 \| good
2026-03-11T05:00:00.000Z	44 \| good	8.137 \| good	35.777 \| good	27.396 \| good	3.326 \| good	28.531 \| good	0.281 \| good
2026-03-11T06:00:00.000Z	84 \| moderate	26.882 \| fine	31.076 \| good	9.156 \| good	3.545 \| good	34.321 \| good	0.314 \| good
2026-03-11T07:00:00.000Z	49 \| good	9.081 \| good	39.825 \| good	20.904 \| good	3.219 \| good	33.403 \| good	0.328 \| good
2026-03-11T08:00:00.000Z	58 \| moderate	13.311 \| fine	60.229 \| fine	17.679 \| good	2.894 \| good	32.637 \| good	0.344 \| good
2026-03-11T09:00:00.000Z	60 \| moderate	13.571 \| fine	60.809 \| fine	16.405 \| good	2.569 \| good	31.871 \| good	0.36 \| good
2026-03-11T10:00:00.000Z	52 \| moderate	10.218 \| good	45.333 \| good	14.066 \| good	2.218 \| good	28.81 \| good	0.343 \| good
2026-03-11T11:00:00.000Z	54 \| moderate	10.66 \| good	47.285 \| good	13.057 \| good	1.868 \| good	25.749 \| good	0.325 \| good
2026-03-11T12:00:00.000Z	82 \| moderate	26.39 \| fine	27.026 \| good	6.719 \| good	1.498 \| good	22.647 \| good	0.309 \| good
2026-03-11T13:00:00.000Z	79 \| moderate	24.093 \| fine	24.677 \| good	9.147 \| good	1.581 \| good	20.001 \| good	0.299 \| good
2026-03-11T14:00:00.000Z	75 \| moderate	22.018 \| fine	22.704 \| good	11.574 \| good	1.664 \| good	17.356 \| good	0.29 \| good
2026-03-11T15:00:00.000Z	75 \| moderate	21.77 \| fine	22.451 \| good	14.002 \| good	1.747 \| good	14.711 \| good	0.28 \| good
2026-03-11T16:00:00.000Z	67 \| moderate	17.508 \| fine	18.367 \| good	25.693 \| good	1.855 \| good	11.714 \| good	0.25 \| good
2026-03-11T17:00:00.000Z	44 \| good	7.725 \| good	34.026 \| good	33.158 \| good	1.973 \| good	8.843 \| good	0.22 \| good
2026-03-11T18:00:00.000Z	52 \| moderate	9.786 \| good	11.725 \| good	49.075 \| good	2.069 \| good	5.722 \| good	0.189 \| good
2026-03-11T19:00:00.000Z	52 \| moderate	9.999 \| good	11.982 \| good	52.489 \| good	2.164 \| good	5.791 \| good	0.189 \| good
2026-03-11T20:00:00.000Z	54 \| moderate	10.727 \| good	12.737 \| good	55.902 \| fine	2.259 \| good	5.861 \| good	0.189 \| good
2026-03-11T21:00:00.000Z	64 \| moderate	11.497 \| good	13.515 \| good	59.315 \| fine	2.354 \| good	5.93 \| good	0.189 \| good

Rialto

Empower business decisions with accurate air quality data

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

0.21ppm

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

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

The best air quality in Rialto, California was observed at 01:00:00 on 2026-03-09.

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

The air quality in Rialto, California right now is Good, with an AQI of 39.

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 6.278 μg/m³.

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

Rialto, California currently has a PM₁₀ concentration of 29.374 μg/m³.

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

The current carbon monoxide (CO) level in Rialto, California is 0.218 ppm.

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

The current sulfur dioxide (SO₂) concentration in Rialto, California is 0.706 ppb.

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

Rialto, California currently has an ozone (O₃) concentration of 41.774 ppm.

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

The current level of nitrogen dioxide (NO₂) in Rialto, California is 7.023 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions