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

Fontana, California currently has a PM10 concentration of 28.825 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Fontana, California is 0.867 ppb.

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

Fontana, California currently has an ozone (O3) concentration of 34.222 ppm.

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

The current level of nitrogen dioxide (NO2) in Fontana, California is 8.189 ppb.

Current air quality index in Fontana, California today

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

Fontana, California currently has a PM2.5 concentration of 7.12 μg/m3.

Stay updated with real-time air quality in Fontana, 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

Fontana, California

Last updated: ... (Local time)

Common air pollutants in Fontana, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.12 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.82 μg/m³

155

255

425

605+

Ozone (O₃)

34.22 ppb

201

201+

Sulfur Dioxide (SO₂)

0.87 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.19 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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Fontana, California

Scroll To Air Quality Map

Track live Fontana, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	39 \| good	4.553 \| good	30.817 \| good	42.432 \| good	0.489 \| good	0.911 \| good	0.104 \| good
2026-03-07T22:00:00.000Z	40 \| good	2.109 \| good	28.556 \| good	43.031 \| good	0.478 \| good	0.725 \| good	0.104 \| good
2026-03-07T23:00:00.000Z	41 \| good	2.787 \| good	26.143 \| good	43.867 \| good	0.534 \| good	0.646 \| good	0.104 \| good
2026-03-08T00:00:00.000Z	39 \| good	3.091 \| good	25.414 \| good	42.244 \| good	0.477 \| good	0.766 \| good	0.104 \| good
2026-03-08T01:00:00.000Z	39 \| good	2.923 \| good	22.323 \| good	41.789 \| good	0.533 \| good	1.119 \| good	0.104 \| good
2026-03-08T02:00:00.000Z	38 \| good	3.002 \| good	18.209 \| good	41.106 \| good	0.475 \| good	1.219 \| good	0.106 \| good
2026-03-08T03:00:00.000Z	42 \| good	1.242 \| good	5.069 \| good	45.107 \| good	0.593 \| good	8.968 \| good	0.17 \| good
2026-03-08T04:00:00.000Z	38 \| good	2.783 \| good	13.899 \| good	40.733 \| good	0.527 \| good	2.56 \| good	0.12 \| good
2026-03-08T05:00:00.000Z	40 \| good	3.307 \| good	12.812 \| good	43.363 \| good	0.588 \| good	2.005 \| good	0.138 \| good
2026-03-08T06:00:00.000Z	40 \| good	3.038 \| good	11.552 \| good	43.308 \| good	0.52 \| good	2.929 \| good	0.151 \| good
2026-03-08T07:00:00.000Z	41 \| good	3.108 \| good	11.573 \| good	43.784 \| good	0.523 \| good	2.929 \| good	0.151 \| good
2026-03-08T08:00:00.000Z	41 \| good	3.296 \| good	22.388 \| good	44.482 \| good	0.477 \| good	1.288 \| good	0.133 \| good
2026-03-08T09:00:00.000Z	39 \| good	3.168 \| good	28.137 \| good	41.93 \| good	0.509 \| good	1.298 \| good	0.127 \| good
2026-03-08T10:00:00.000Z	39 \| good	3.181 \| good	29.921 \| good	41.854 \| good	0.509 \| good	1.298 \| good	0.127 \| good
2026-03-08T11:00:00.000Z	39 \| good	3.313 \| good	26.396 \| good	41.728 \| good	0.511 \| good	1.298 \| good	0.127 \| good
2026-03-08T12:00:00.000Z	39 \| good	3.202 \| good	27.484 \| good	42.095 \| good	0.438 \| good	8.507 \| good	0.417 \| good
2026-03-08T13:00:00.000Z	39 \| good	2.216 \| good	10.249 \| good	42.095 \| good	0.587 \| good	10.175 \| good	0.417 \| good
2026-03-08T14:00:00.000Z	35 \| good	4.275 \| good	12.742 \| good	37.86 \| good	0.48 \| good	1.562 \| good	0.162 \| good
2026-03-08T15:00:00.000Z	36 \| good	3.757 \| good	12.163 \| good	39.26 \| good	0.583 \| good	2.584 \| good	0.171 \| good
2026-03-08T16:00:00.000Z	35 \| good	2.82 \| good	13.045 \| good	38.44 \| good	0.544 \| good	2.439 \| good	0.163 \| good
2026-03-08T17:00:00.000Z	37 \| good	2.564 \| good	20.329 \| good	40.484 \| good	0.538 \| good	1.97 \| good	0.144 \| good
2026-03-08T18:00:00.000Z	39 \| good	2.749 \| good	22.411 \| good	42.037 \| good	0.481 \| good	1.226 \| good	0.129 \| good
2026-03-08T19:00:00.000Z	40 \| good	3.511 \| good	25.001 \| good	43.343 \| good	0.482 \| good	1.154 \| good	0.117 \| good
2026-03-08T20:00:00.000Z	41 \| good	3.882 \| good	26.598 \| good	43.791 \| good	0.48 \| good	1.426 \| good	0.111 \| good
2026-03-08T21:00:00.000Z	42 \| good	3.418 \| good	24.528 \| good	44.65 \| good	0.539 \| good	1.182 \| good	0.108 \| good
2026-03-08T22:00:00.000Z	43 \| good	1.59 \| good	20.342 \| good	46.388 \| good	0.588 \| good	1.274 \| good	0.108 \| good
2026-03-08T23:00:00.000Z	44 \| good	2.154 \| good	16.979 \| good	47.913 \| good	0.521 \| good	1.365 \| good	0.107 \| good
2026-03-09T00:00:00.000Z	45 \| good	2.388 \| good	14.921 \| good	48.53 \| good	0.567 \| good	1.415 \| good	0.111 \| good
2026-03-09T01:00:00.000Z	44 \| good	2.028 \| good	14.661 \| good	47.638 \| good	0.576 \| good	1.633 \| good	0.107 \| good
2026-03-09T02:00:00.000Z	43 \| good	2.482 \| good	14.653 \| good	45.988 \| good	0.578 \| good	2.538 \| good	0.11 \| good
2026-03-09T03:00:00.000Z	49 \| good	9.255 \| good	40.961 \| good	35.582 \| good	1.114 \| good	25.139 \| good	0.262 \| good
2026-03-09T04:00:00.000Z	40 \| good	3.737 \| good	16.004 \| good	43.493 \| good	0.569 \| good	5.96 \| good	0.189 \| good
2026-03-09T05:00:00.000Z	34 \| good	4.108 \| good	16.69 \| good	37.443 \| good	0.726 \| good	12.143 \| good	0.229 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.076 \| good	19.154 \| good	35.851 \| good	0.556 \| good	16.089 \| good	0.218 \| good
2026-03-09T07:00:00.000Z	33 \| good	4.785 \| good	18.945 \| good	35.669 \| good	0.561 \| good	16.089 \| good	0.217 \| good
2026-03-09T08:00:00.000Z	38 \| good	6.613 \| good	22.79 \| good	26.419 \| good	0.681 \| good	26.507 \| good	0.363 \| good
2026-03-09T09:00:00.000Z	38 \| good	7.443 \| good	24.783 \| good	27.877 \| good	0.649 \| good	12.237 \| good	0.174 \| good
2026-03-09T10:00:00.000Z	38 \| good	7.382 \| good	22.09 \| good	27.401 \| good	0.572 \| good	7.421 \| good	0.199 \| good
2026-03-09T11:00:00.000Z	38 \| good	6.955 \| good	22.017 \| good	24.497 \| good	0.608 \| good	13.106 \| good	0.204 \| good
2026-03-09T12:00:00.000Z	38 \| good	6.743 \| good	23.433 \| good	23.401 \| good	0.555 \| good	15.875 \| good	0.299 \| good
2026-03-09T13:00:00.000Z	38 \| good	6.732 \| good	23.146 \| good	23.222 \| good	0.553 \| good	15.875 \| good	0.299 \| good
2026-03-09T14:00:00.000Z	33 \| good	6.461 \| good	27.883 \| good	16.103 \| good	0.645 \| good	27.312 \| good	0.399 \| good
2026-03-09T15:00:00.000Z	49 \| good	8.501 \| good	39.707 \| good	12.386 \| good	0.799 \| good	28.55 \| good	0.611 \| good
2026-03-09T16:00:00.000Z	56 \| moderate	11.957 \| good	57.49 \| fine	11.367 \| good	0.96 \| good	30.602 \| good	0.51 \| good
2026-03-09T17:00:00.000Z	56 \| moderate	11.989 \| good	53.127 \| good	15.241 \| good	0.849 \| good	23.403 \| good	0.363 \| good
2026-03-09T18:00:00.000Z	52 \| moderate	9.62 \| good	42.05 \| good	20.783 \| good	0.716 \| good	15.819 \| good	0.3 \| good
2026-03-09T19:00:00.000Z	49 \| good	8.698 \| good	35.205 \| good	28.362 \| good	0.681 \| good	10.872 \| good	0.205 \| good
2026-03-09T20:00:00.000Z	44 \| good	7.883 \| good	29.638 \| good	34.294 \| good	0.677 \| good	8.369 \| good	0.205 \| good
2026-03-09T20:00:00.000Z	38 \| good	7.12 \| good	28.825 \| good	34.222 \| good	0.867 \| good	8.189 \| good	0.206 \| good
2026-03-09T21:00:00.000Z	52 \| moderate	10.251 \| good	45.415 \| good	49.583 \| good	1.586 \| good	3.708 \| good	0.155 \| good
2026-03-09T22:00:00.000Z	52 \| moderate	10.181 \| good	45.079 \| good	53.432 \| good	1.639 \| good	3.829 \| good	0.153 \| good
2026-03-09T23:00:00.000Z	58 \| moderate	9.016 \| good	40.317 \| good	56.801 \| fine	1.693 \| good	3.95 \| good	0.15 \| good
2026-03-10T00:00:00.000Z	54 \| moderate	10.861 \| good	48.108 \| good	55.579 \| fine	1.746 \| good	4.072 \| good	0.148 \| good
2026-03-10T01:00:00.000Z	49 \| good	8.848 \| good	38.766 \| good	49.651 \| good	1.962 \| good	7.744 \| good	0.164 \| good
2026-03-10T02:00:00.000Z	37 \| good	4.854 \| good	20.964 \| good	40.087 \| good	2.178 \| good	11.416 \| good	0.181 \| good
2026-03-10T03:00:00.000Z	39 \| good	5.24 \| good	22.671 \| good	41.542 \| good	2.394 \| good	15.089 \| good	0.197 \| good
2026-03-10T04:00:00.000Z	34 \| good	3.817 \| good	16.551 \| good	37.473 \| good	2.578 \| good	19.821 \| good	0.221 \| good
2026-03-10T05:00:00.000Z	31 \| good	4.553 \| good	19.846 \| good	33.313 \| good	2.761 \| good	24.552 \| good	0.246 \| good
2026-03-10T06:00:00.000Z	29 \| good	3.713 \| good	16.09 \| good	31.058 \| good	2.945 \| good	29.284 \| good	0.271 \| good
2026-03-10T07:00:00.000Z	49 \| good	8.577 \| good	37.681 \| good	26.443 \| good	3.001 \| good	30.198 \| good	0.286 \| good
2026-03-10T08:00:00.000Z	54 \| moderate	11.356 \| good	50.242 \| good	19.797 \| good	3.057 \| good	31.112 \| good	0.301 \| good
2026-03-10T09:00:00.000Z	58 \| moderate	13.313 \| fine	59.507 \| fine	18.895 \| good	3.114 \| good	32.026 \| good	0.316 \| good
2026-03-10T10:00:00.000Z	52 \| moderate	9.908 \| good	44.256 \| good	28.449 \| good	3.075 \| good	29.858 \| good	0.304 \| good
2026-03-10T11:00:00.000Z	54 \| moderate	10.671 \| good	47.308 \| good	27.244 \| good	3.036 \| good	27.691 \| good	0.293 \| good
2026-03-10T12:00:00.000Z	52 \| moderate	9.894 \| good	43.666 \| good	20.422 \| good	2.997 \| good	25.523 \| good	0.282 \| good
2026-03-10T13:00:00.000Z	58 \| moderate	12.75 \| fine	57.22 \| fine	22.671 \| good	2.942 \| good	24.19 \| good	0.292 \| good
2026-03-10T14:00:00.000Z	58 \| moderate	12.714 \| fine	56.952 \| fine	24.919 \| good	2.888 \| good	22.858 \| good	0.302 \| good
2026-03-10T15:00:00.000Z	52 \| moderate	9.652 \| good	42.937 \| good	20.936 \| good	2.833 \| good	21.526 \| good	0.312 \| good
2026-03-10T16:00:00.000Z	49 \| good	9.268 \| good	40.768 \| good	28.761 \| good	3.002 \| good	17.451 \| good	0.267 \| good
2026-03-10T17:00:00.000Z	49 \| good	9.336 \| good	41.429 \| good	34.95 \| good	3.17 \| good	13.377 \| good	0.222 \| good
2026-03-10T18:00:00.000Z	49 \| good	8.656 \| good	38.119 \| good	33.744 \| good	3.339 \| good	9.302 \| good	0.177 \| good
2026-03-10T19:00:00.000Z	54 \| moderate	11.242 \| good	49.944 \| good	38.713 \| good	3.182 \| good	8.289 \| good	0.173 \| good
2026-03-10T20:00:00.000Z	52 \| moderate	9.525 \| good	42.481 \| good	44.889 \| good	3.026 \| good	7.275 \| good	0.168 \| good
2026-03-10T21:00:00.000Z	56 \| moderate	11.924 \| good	53.371 \| good	50.544 \| good	2.869 \| good	6.262 \| good	0.164 \| good
2026-03-10T22:00:00.000Z	58 \| moderate	12.908 \| fine	57.78 \| fine	50.647 \| good	2.932 \| good	6.421 \| good	0.163 \| good
2026-03-10T23:00:00.000Z	52 \| moderate	9.887 \| good	43.936 \| good	49.09 \| good	2.996 \| good	6.581 \| good	0.161 \| good
2026-03-11T00:00:00.000Z	46 \| good	7.761 \| good	34.258 \| good	50.196 \| good	3.06 \| good	6.741 \| good	0.16 \| good
2026-03-11T01:00:00.000Z	45 \| good	5.304 \| good	23.129 \| good	48.709 \| good	3.083 \| good	10.571 \| good	0.178 \| good
2026-03-11T02:00:00.000Z	44 \| good	7.664 \| good	33.719 \| good	40.653 \| good	3.106 \| good	14.401 \| good	0.196 \| good
2026-03-11T03:00:00.000Z	36 \| good	6.405 \| good	28.49 \| good	39.143 \| good	3.13 \| good	18.231 \| good	0.214 \| good
2026-03-11T04:00:00.000Z	38 \| good	6.762 \| good	29.938 \| good	33.967 \| good	3.284 \| good	23.49 \| good	0.24 \| good
2026-03-11T05:00:00.000Z	44 \| good	8.004 \| good	35.214 \| good	23.763 \| good	3.438 \| good	28.749 \| good	0.265 \| good
2026-03-11T06:00:00.000Z	81 \| moderate	24.562 \| fine	28.093 \| good	8.221 \| good	3.598 \| good	33.951 \| good	0.292 \| good
2026-03-11T07:00:00.000Z	52 \| moderate	9.776 \| good	43.113 \| good	20.605 \| good	3.414 \| good	33.647 \| good	0.307 \| good
2026-03-11T08:00:00.000Z	58 \| moderate	12.992 \| fine	58.504 \| fine	17.283 \| good	3.236 \| good	33.286 \| good	0.323 \| good
2026-03-11T09:00:00.000Z	60 \| moderate	13.804 \| fine	61.808 \| fine	15.544 \| good	3.057 \| good	32.926 \| good	0.339 \| good
2026-03-11T10:00:00.000Z	52 \| moderate	10.224 \| good	45.574 \| good	15.044 \| good	2.655 \| good	30.38 \| good	0.328 \| good
2026-03-11T11:00:00.000Z	54 \| moderate	10.605 \| good	47.063 \| good	13.08 \| good	2.253 \| good	27.835 \| good	0.318 \| good
2026-03-11T12:00:00.000Z	84 \| moderate	26.704 \| fine	27.5 \| good	5.236 \| good	1.848 \| good	25.197 \| good	0.308 \| good
2026-03-11T13:00:00.000Z	81 \| moderate	24.87 \| fine	25.618 \| good	7.11 \| good	1.924 \| good	22.996 \| good	0.305 \| good
2026-03-11T14:00:00.000Z	79 \| moderate	23.551 \| fine	24.383 \| good	8.983 \| good	1.999 \| good	20.795 \| good	0.301 \| good
2026-03-11T15:00:00.000Z	79 \| moderate	23.941 \| fine	24.891 \| good	10.856 \| good	2.075 \| good	18.593 \| good	0.298 \| good
2026-03-11T16:00:00.000Z	73 \| moderate	20.655 \| fine	21.847 \| good	22.704 \| good	2.222 \| good	15.18 \| good	0.266 \| good
2026-03-11T17:00:00.000Z	52 \| moderate	9.752 \| good	43.242 \| good	29.064 \| good	2.388 \| good	11.885 \| good	0.234 \| good
2026-03-11T18:00:00.000Z	56 \| moderate	12.144 \| fine	14.771 \| good	46.399 \| good	2.517 \| good	8.354 \| good	0.201 \| good
2026-03-11T19:00:00.000Z	56 \| moderate	11.858 \| good	14.383 \| good	50.148 \| good	2.568 \| good	8.007 \| good	0.198 \| good
2026-03-11T20:00:00.000Z	56 \| moderate	12.068 \| good	14.537 \| good	53.896 \| good	2.619 \| good	7.659 \| good	0.194 \| good

Fontana

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Fontana, 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

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Frequently asked questions

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

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

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

Fontana, California experienced its worst air quality at 05:00:00, 2026-03-09.

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

The best air quality in Fontana, California was observed at 02:00:00 on 2026-03-09.

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

The air quality in Fontana, California right now is Good, with an AQI of 38.

What pollutant is most frequently found in Fontana, California?

In Fontana, California, PM2.5 is the most frequently found pollutant.

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

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

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

Fontana, California currently has a PM_2.5 concentration of 7.12 μg/m³.

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

Fontana, California currently has a PM₁₀ concentration of 28.825 μg/m³.

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

The current carbon monoxide (CO) level in Fontana, California is 0.206 ppm.

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

The current sulfur dioxide (SO₂) concentration in Fontana, California is 0.867 ppb.

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

Fontana, California currently has an ozone (O₃) concentration of 34.222 ppm.

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

The current level of nitrogen dioxide (NO₂) in Fontana, California is 8.189 ppb.

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