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

Fontana, California currently has a PM10 concentration of 29.877 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Fontana, California is 0.812 ppb.

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

Fontana, California currently has an ozone (O3) concentration of 29.459 ppm.

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

The current level of nitrogen dioxide (NO2) in Fontana, California is 10.796 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 11.62 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)

Moderate

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)

11.62 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.88 μg/m³

155

255

425

605+

Ozone (O₃)

29.46 ppb

201

201+

Sulfur Dioxide (SO₂)

0.81 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.80 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 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
2026-02-09T07:00:00.000Z	62 \| moderate	14.665 \| fine	41.412 \| good	23.419 \| good	0.637 \| good	23.179 \| good	0.598 \| good
2026-02-09T08:00:00.000Z	60 \| moderate	13.641 \| fine	37.613 \| good	18.616 \| good	0.651 \| good	25.333 \| good	0.607 \| good
2026-02-09T09:00:00.000Z	58 \| moderate	12.801 \| fine	43.817 \| good	10.093 \| good	0.693 \| good	28.083 \| good	0.553 \| good
2026-02-09T10:00:00.000Z	56 \| moderate	11.939 \| good	41.802 \| good	7.115 \| good	0.662 \| good	28.739 \| good	0.495 \| good
2026-02-09T11:00:00.000Z	54 \| moderate	10.552 \| good	33.404 \| good	9.633 \| good	0.664 \| good	23.606 \| good	0.452 \| good
2026-02-09T12:00:00.000Z	49 \| good	8.918 \| good	32.555 \| good	11.777 \| good	0.653 \| good	22.847 \| good	0.448 \| good
2026-02-09T13:00:00.000Z	49 \| good	9.077 \| good	27.949 \| good	11.736 \| good	0.655 \| good	22.847 \| good	0.448 \| good
2026-02-09T14:00:00.000Z	49 \| good	8.764 \| good	48.264 \| good	6.244 \| good	0.75 \| good	33.261 \| good	0.514 \| good
2026-02-09T15:00:00.000Z	44 \| good	7.494 \| good	47.042 \| good	6.583 \| good	0.821 \| good	33.924 \| good	0.714 \| good
2026-02-09T16:00:00.000Z	50 \| good	8.392 \| good	53.504 \| good	6.341 \| good	1.153 \| good	33.715 \| good	0.827 \| good
2026-02-09T17:00:00.000Z	60 \| moderate	9.968 \| good	73.152 \| fine	10.663 \| good	1.622 \| good	37.955 \| good	0.732 \| good
2026-02-09T18:00:00.000Z	55 \| moderate	10.727 \| good	63.277 \| fine	17.669 \| good	0.895 \| good	30.825 \| good	0.476 \| good
2026-02-09T19:00:00.000Z	52 \| moderate	9.828 \| good	58.014 \| fine	22.575 \| good	0.712 \| good	26.618 \| good	0.482 \| good
2026-02-09T20:00:00.000Z	51 \| moderate	8.936 \| good	55.022 \| fine	25.853 \| good	0.844 \| good	30.409 \| good	0.42 \| good
2026-02-09T21:00:00.000Z	49 \| good	9.171 \| good	46.654 \| good	35.146 \| good	0.782 \| good	20.407 \| good	0.312 \| good
2026-02-09T22:00:00.000Z	49 \| good	9.481 \| good	37.434 \| good	41.503 \| good	0.755 \| good	16.42 \| good	0.271 \| good
2026-02-09T23:00:00.000Z	44 \| good	8.473 \| good	32.047 \| good	42.808 \| good	0.737 \| good	13.335 \| good	0.274 \| good
2026-02-10T00:00:00.000Z	40 \| good	6.818 \| good	34.548 \| good	43.167 \| good	0.778 \| good	15.902 \| good	0.37 \| good
2026-02-10T01:00:00.000Z	39 \| good	6.259 \| good	36.874 \| good	41.823 \| good	0.797 \| good	19.502 \| good	0.418 \| good
2026-02-10T02:00:00.000Z	49 \| good	8.578 \| good	44.169 \| good	37.617 \| good	0.755 \| good	25.653 \| good	0.423 \| good
2026-02-10T03:00:00.000Z	52 \| moderate	9.937 \| good	47.592 \| good	31.625 \| good	0.735 \| good	30.013 \| good	0.427 \| good
2026-02-10T04:00:00.000Z	52 \| moderate	10.386 \| good	45.898 \| good	23.175 \| good	0.777 \| good	34.922 \| good	0.527 \| good
2026-02-10T05:00:00.000Z	62 \| moderate	15.022 \| fine	62.676 \| fine	17.944 \| good	0.961 \| good	39.18 \| good	0.608 \| good
2026-02-10T06:00:00.000Z	58 \| moderate	13.001 \| fine	56.683 \| fine	17.084 \| good	0.89 \| good	38.559 \| good	0.634 \| good
2026-02-10T07:00:00.000Z	58 \| moderate	12.889 \| fine	56.397 \| fine	14.283 \| good	0.876 \| good	38.559 \| good	0.634 \| good
2026-02-10T08:00:00.000Z	60 \| moderate	13.545 \| fine	58.433 \| fine	14.046 \| good	0.863 \| good	38.559 \| good	0.634 \| good
2026-02-10T09:00:00.000Z	56 \| moderate	11.726 \| good	42.247 \| good	5.854 \| good	0.767 \| good	33.611 \| good	0.612 \| good
2026-02-10T10:00:00.000Z	54 \| moderate	11.408 \| good	36.821 \| good	8.577 \| good	0.774 \| good	32.363 \| good	0.602 \| good
2026-02-10T11:00:00.000Z	56 \| moderate	12.195 \| fine	33.198 \| good	4.469 \| good	0.757 \| good	31.822 \| good	0.559 \| good
2026-02-10T12:00:00.000Z	58 \| moderate	13.235 \| fine	35.443 \| good	4.052 \| good	0.7 \| good	33.908 \| good	0.559 \| good
2026-02-10T13:00:00.000Z	60 \| moderate	13.522 \| fine	35.97 \| good	4.274 \| good	0.708 \| good	33.908 \| good	0.559 \| good
2026-02-10T14:00:00.000Z	60 \| moderate	14.022 \| fine	44.753 \| good	4.198 \| good	0.816 \| good	35.965 \| good	0.658 \| good
2026-02-10T15:00:00.000Z	62 \| moderate	14.646 \| fine	45.139 \| good	6.195 \| good	1.022 \| good	35.671 \| good	0.711 \| good
2026-02-10T16:00:00.000Z	67 \| moderate	17.846 \| fine	64.569 \| fine	5.88 \| good	1.646 \| good	38.117 \| good	0.769 \| good
2026-02-10T17:00:00.000Z	67 \| moderate	18.335 \| fine	66.126 \| fine	9.111 \| good	1.108 \| good	31.081 \| good	0.521 \| good
2026-02-10T18:00:00.000Z	64 \| moderate	15.909 \| fine	54.898 \| good	16.005 \| good	0.862 \| good	25.775 \| good	0.424 \| good
2026-02-10T19:00:00.000Z	66 \| moderate	16.758 \| fine	52.481 \| good	20.714 \| good	0.864 \| good	23.002 \| good	0.335 \| good
2026-02-10T20:00:00.000Z	66 \| moderate	16.732 \| fine	50.321 \| good	21.497 \| good	0.874 \| good	25.904 \| good	0.391 \| good
2026-02-10T21:00:00.000Z	60 \| moderate	13.743 \| fine	48.193 \| good	22.086 \| good	0.827 \| good	25.238 \| good	0.35 \| good
2026-02-10T22:00:00.000Z	56 \| moderate	11.704 \| good	52.587 \| good	26.379 \| good	0.759 \| good	23.412 \| good	0.401 \| good
2026-02-10T23:00:00.000Z	60 \| moderate	13.813 \| fine	55.264 \| fine	25.475 \| good	0.761 \| good	24.225 \| good	0.398 \| good
2026-02-11T00:00:00.000Z	58 \| moderate	13.054 \| fine	47.688 \| good	29.763 \| good	0.675 \| good	13.207 \| good	0.248 \| good
2026-02-11T01:00:00.000Z	56 \| moderate	11.696 \| good	38.424 \| good	27.875 \| good	0.674 \| good	12.869 \| good	0.257 \| good
2026-02-11T02:00:00.000Z	54 \| moderate	11.219 \| good	43.56 \| good	24.172 \| good	0.678 \| good	16.6 \| good	0.295 \| good
2026-02-11T03:00:00.000Z	52 \| moderate	10.432 \| good	39.7 \| good	26.67 \| good	0.599 \| good	13.542 \| good	0.253 \| good
2026-02-11T04:00:00.000Z	52 \| moderate	9.928 \| good	33.663 \| good	30.58 \| good	0.592 \| good	10.808 \| good	0.258 \| good
2026-02-11T05:00:00.000Z	56 \| moderate	11.62 \| good	29.877 \| good	29.459 \| good	0.812 \| good	10.796 \| good	0.253 \| good
2026-02-11T06:00:00.000Z	56 \| moderate	11.62 \| good	29.877 \| good	29.459 \| good	0.812 \| good	10.796 \| good	0.253 \| good
2026-02-11T07:00:00.000Z	36 \| good	3.983 \| good	17.724 \| good	38.52 \| good	1.421 \| good	11.585 \| good	0.179 \| good
2026-02-11T08:00:00.000Z	33 \| good	1.368 \| good	5.098 \| good	36.244 \| good	1.263 \| good	9.697 \| good	0.167 \| good
2026-02-11T09:00:00.000Z	31 \| good	1.21 \| good	5.147 \| good	34.476 \| good	1.105 \| good	7.809 \| good	0.156 \| good
2026-02-11T10:00:00.000Z	30 \| good	1.955 \| good	8.151 \| good	31.847 \| good	0.985 \| good	6.744 \| good	0.146 \| good
2026-02-11T11:00:00.000Z	30 \| good	2.369 \| good	10.072 \| good	32.31 \| good	0.865 \| good	5.679 \| good	0.137 \| good
2026-02-11T12:00:00.000Z	27 \| good	1.359 \| good	5.209 \| good	29.112 \| good	0.745 \| good	4.614 \| good	0.128 \| good
2026-02-11T13:00:00.000Z	26 \| good	2.877 \| good	12.063 \| good	28.146 \| good	0.771 \| good	5.736 \| good	0.131 \| good
2026-02-11T14:00:00.000Z	27 \| good	4.068 \| good	17.86 \| good	29.179 \| good	0.797 \| good	6.857 \| good	0.133 \| good
2026-02-11T15:00:00.000Z	28 \| good	1.301 \| good	5.092 \| good	30.108 \| good	0.823 \| good	7.979 \| good	0.136 \| good
2026-02-11T16:00:00.000Z	29 \| good	1.709 \| good	7.041 \| good	31.061 \| good	0.886 \| good	7.643 \| good	0.137 \| good
2026-02-11T17:00:00.000Z	30 \| good	4.408 \| good	18.987 \| good	31.981 \| good	0.949 \| good	7.307 \| good	0.138 \| good
2026-02-11T18:00:00.000Z	30 \| good	4.144 \| good	18.119 \| good	31.52 \| good	1.012 \| good	6.971 \| good	0.138 \| good
2026-02-11T19:00:00.000Z	30 \| good	5.446 \| good	23.259 \| good	32.471 \| good	0.868 \| good	5.52 \| good	0.133 \| good
2026-02-11T20:00:00.000Z	33 \| good	5.307 \| good	23.265 \| good	35.991 \| good	0.724 \| good	4.069 \| good	0.127 \| good
2026-02-11T21:00:00.000Z	35 \| good	5.67 \| good	24.265 \| good	37.742 \| good	0.58 \| good	2.619 \| good	0.121 \| good
2026-02-11T22:00:00.000Z	35 \| good	5.648 \| good	24.286 \| good	38.407 \| good	0.634 \| good	2.875 \| good	0.123 \| good
2026-02-11T23:00:00.000Z	33 \| good	3.356 \| good	14.38 \| good	36.28 \| good	0.688 \| good	3.131 \| good	0.125 \| good
2026-02-12T00:00:00.000Z	36 \| good	2.207 \| good	9.331 \| good	39.414 \| good	0.743 \| good	3.388 \| good	0.127 \| good
2026-02-12T01:00:00.000Z	44 \| good	7.651 \| good	33.924 \| good	33.602 \| good	1.052 \| good	10.445 \| good	0.167 \| good
2026-02-12T02:00:00.000Z	38 \| good	7.138 \| good	31.271 \| good	29.036 \| good	1.361 \| good	17.502 \| good	0.208 \| good
2026-02-12T03:00:00.000Z	52 \| moderate	10.264 \| good	45.182 \| good	25.327 \| good	1.671 \| good	24.56 \| good	0.249 \| good
2026-02-12T04:00:00.000Z	38 \| good	7.373 \| good	32.444 \| good	23.412 \| good	1.998 \| good	26.533 \| good	0.278 \| good
2026-02-12T05:00:00.000Z	38 \| good	6.644 \| good	29.552 \| good	24.853 \| good	2.325 \| good	28.506 \| good	0.307 \| good
2026-02-12T06:00:00.000Z	49 \| good	8.593 \| good	37.417 \| good	20.269 \| good	2.651 \| good	30.479 \| good	0.337 \| good
2026-02-12T07:00:00.000Z	56 \| moderate	12.14 \| fine	54.804 \| good	17.947 \| good	2.548 \| good	27.223 \| good	0.316 \| good
2026-02-12T08:00:00.000Z	52 \| moderate	10.236 \| good	45.201 \| good	17.798 \| good	2.445 \| good	23.967 \| good	0.295 \| good
2026-02-12T09:00:00.000Z	44 \| good	7.823 \| good	34.354 \| good	15.823 \| good	2.341 \| good	20.712 \| good	0.275 \| good
2026-02-12T10:00:00.000Z	44 \| good	7.695 \| good	34.276 \| good	13.957 \| good	2.131 \| good	19.254 \| good	0.261 \| good
2026-02-12T11:00:00.000Z	44 \| good	7.565 \| good	33.39 \| good	13.958 \| good	1.921 \| good	17.796 \| good	0.248 \| good
2026-02-12T12:00:00.000Z	44 \| good	8.299 \| good	36.556 \| good	7.931 \| good	1.711 \| good	16.339 \| good	0.234 \| good
2026-02-12T13:00:00.000Z	56 \| moderate	11.957 \| good	52.41 \| good	5.25 \| good	1.667 \| good	16.365 \| good	0.236 \| good
2026-02-12T14:00:00.000Z	56 \| moderate	12.084 \| good	54.486 \| good	5.629 \| good	1.622 \| good	16.391 \| good	0.238 \| good
2026-02-12T15:00:00.000Z	38 \| good	7.262 \| good	31.841 \| good	8.129 \| good	1.578 \| good	16.418 \| good	0.24 \| good
2026-02-12T16:00:00.000Z	58 \| moderate	12.71 \| fine	57.477 \| fine	13.83 \| good	1.618 \| good	12.95 \| good	0.212 \| good
2026-02-12T17:00:00.000Z	56 \| moderate	11.661 \| good	51.518 \| good	24.803 \| good	1.658 \| good	9.483 \| good	0.184 \| good
2026-02-12T18:00:00.000Z	49 \| good	9.326 \| good	41.334 \| good	28.22 \| good	1.699 \| good	6.016 \| good	0.156 \| good
2026-02-12T19:00:00.000Z	52 \| moderate	9.979 \| good	44.228 \| good	29.788 \| good	1.752 \| good	5.57 \| good	0.153 \| good
2026-02-12T20:00:00.000Z	52 \| moderate	9.684 \| good	43.182 \| good	37.113 \| good	1.805 \| good	5.123 \| good	0.15 \| good
2026-02-12T21:00:00.000Z	54 \| moderate	11.236 \| good	49.435 \| good	40.886 \| good	1.858 \| good	4.677 \| good	0.148 \| good
2026-02-12T22:00:00.000Z	52 \| moderate	10.473 \| good	46.511 \| good	41.7 \| good	2.126 \| good	5.578 \| good	0.15 \| good
2026-02-12T23:00:00.000Z	52 \| moderate	9.599 \| good	42.602 \| good	41.125 \| good	2.394 \| good	6.479 \| good	0.153 \| good
2026-02-13T00:00:00.000Z	38 \| good	6.303 \| good	27.784 \| good	41.147 \| good	2.661 \| good	7.38 \| good	0.156 \| good
2026-02-13T01:00:00.000Z	64 \| moderate	15.796 \| fine	71.184 \| fine	32.415 \| good	2.906 \| good	14.734 \| good	0.199 \| good
2026-02-13T02:00:00.000Z	60 \| moderate	13.726 \| fine	61.517 \| fine	27.185 \| good	3.15 \| good	22.087 \| good	0.242 \| good
2026-02-13T03:00:00.000Z	56 \| moderate	12.355 \| fine	55.294 \| fine	25.327 \| good	3.394 \| good	29.44 \| good	0.286 \| good
2026-02-13T04:00:00.000Z	44 \| good	7.807 \| good	34.849 \| good	22.188 \| good	3.387 \| good	30.481 \| good	0.319 \| good
2026-02-13T05:00:00.000Z	33 \| good	6.494 \| good	28.864 \| good	32.325 \| good	3.379 \| good	31.522 \| good	0.352 \| good
2026-02-13T06:00:00.000Z	79 \| moderate	23.605 \| fine	25.003 \| good	5.111 \| good	3.432 \| good	32.768 \| good	0.388 \| good

Fontana

Empower business decisions with accurate air quality data

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

0.23ppm

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, 2026-02-10.

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

The best air quality in Fontana, California was observed at 04:00:00 on 2026-02-11.

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

The air quality in Fontana, California right now is Moderate, with an AQI of 56.

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 11.62 μg/m³.

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

Fontana, California currently has a PM₁₀ concentration of 29.877 μg/m³.

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

The current carbon monoxide (CO) level in Fontana, California is 0.253 ppm.

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

The current sulfur dioxide (SO₂) concentration in Fontana, California is 0.812 ppb.

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

Fontana, California currently has an ozone (O₃) concentration of 29.459 ppm.

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

The current level of nitrogen dioxide (NO₂) in Fontana, California is 10.796 ppb.

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