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

Fontana, California currently has a PM10 concentration of 53.559 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Fontana, California is 0.629 ppb.

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

Fontana, California currently has an ozone (O3) concentration of 5.986 ppm.

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

The current level of nitrogen dioxide (NO2) in Fontana, California is 36.582 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 37.141 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)

105

Unhealthy for sensitive groups

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)

37.14 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

53.56 μg/m³

155

255

425

605+

Ozone (O₃)

5.99 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

36.58 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.68 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Fontana, California

Get Live Pollen Counts

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
2026-01-21T03:00:00.000Z	69 \| moderate	18.532 \| fine	81.699 \| fine	6.363 \| good	2.766 \| good	34.188 \| good	0.393 \| good
2026-01-21T04:00:00.000Z	64 \| moderate	16.435 \| fine	50.671 \| good	16.112 \| good	0.493 \| good	33.707 \| good	0.743 \| good
2026-01-21T05:00:00.000Z	62 \| moderate	14.716 \| fine	53.42 \| good	11.765 \| good	0.738 \| good	37.094 \| good	0.736 \| good
2026-01-21T06:00:00.000Z	58 \| moderate	13.463 \| fine	42.345 \| good	11.962 \| good	0.513 \| good	34.474 \| good	0.581 \| good
2026-01-21T07:00:00.000Z	58 \| moderate	13.378 \| fine	43.466 \| good	10.51 \| good	0.535 \| good	34.474 \| good	0.581 \| good
2026-01-21T08:00:00.000Z	56 \| moderate	12.383 \| fine	38.528 \| good	5.855 \| good	0.631 \| good	31.768 \| good	0.454 \| good
2026-01-21T09:00:00.000Z	56 \| moderate	12.263 \| fine	37.301 \| good	5.401 \| good	0.56 \| good	30.138 \| good	0.499 \| good
2026-01-21T10:00:00.000Z	54 \| moderate	11.478 \| good	34.077 \| good	5.96 \| good	0.484 \| good	29.594 \| good	0.465 \| good
2026-01-21T11:00:00.000Z	56 \| moderate	12.116 \| fine	32.453 \| good	5.979 \| good	0.565 \| good	30.143 \| good	0.596 \| good
2026-01-21T12:00:00.000Z	58 \| moderate	12.761 \| fine	32.921 \| good	5.966 \| good	0.507 \| good	27.58 \| good	0.525 \| good
2026-01-21T13:00:00.000Z	56 \| moderate	12.308 \| fine	31.323 \| good	5.981 \| good	0.501 \| good	27.58 \| good	0.525 \| good
2026-01-21T14:00:00.000Z	62 \| moderate	15.182 \| fine	40.298 \| good	3.688 \| good	0.799 \| good	26.287 \| good	0.645 \| good
2026-01-21T15:00:00.000Z	60 \| moderate	13.863 \| fine	43.005 \| good	6.348 \| good	1.009 \| good	26.566 \| good	0.854 \| good
2026-01-21T16:00:00.000Z	66 \| moderate	16.834 \| fine	53.935 \| good	4.982 \| good	1.133 \| good	28.464 \| good	0.877 \| good
2026-01-21T17:00:00.000Z	64 \| moderate	16.439 \| fine	62.629 \| fine	9.43 \| good	1.276 \| good	30.947 \| good	0.812 \| good
2026-01-21T18:00:00.000Z	62 \| moderate	15.335 \| fine	60.104 \| fine	10.663 \| good	0.952 \| good	34.04 \| good	0.732 \| good
2026-01-21T19:00:00.000Z	69 \| moderate	19.283 \| fine	71.819 \| fine	11.054 \| good	1.055 \| good	36.316 \| good	0.737 \| good
2026-01-21T20:00:00.000Z	67 \| moderate	17.847 \| fine	73.967 \| fine	11.204 \| good	0.808 \| good	34.249 \| good	0.606 \| good
2026-01-21T21:00:00.000Z	62 \| moderate	14.836 \| fine	64.908 \| fine	13.453 \| good	0.678 \| good	33.175 \| good	0.641 \| good
2026-01-21T22:00:00.000Z	60 \| moderate	13.629 \| fine	54.991 \| good	12.617 \| good	0.664 \| good	32.314 \| good	0.552 \| good
2026-01-21T23:00:00.000Z	60 \| moderate	14.253 \| fine	53.791 \| good	15.477 \| good	0.641 \| good	32.871 \| good	0.54 \| good
2026-01-22T00:00:00.000Z	62 \| moderate	15.17 \| fine	59.373 \| fine	14.456 \| good	0.678 \| good	31.823 \| good	0.54 \| good
2026-01-22T01:00:00.000Z	66 \| moderate	16.556 \| fine	56.919 \| fine	16.485 \| good	0.538 \| good	24.169 \| good	0.488 \| good
2026-01-22T02:00:00.000Z	77 \| moderate	23.363 \| fine	57.228 \| fine	11.998 \| good	0.53 \| good	34.476 \| good	0.669 \| good
2026-01-22T03:00:00.000Z	88 \| moderate	28.831 \| fine	58.09 \| fine	12.303 \| good	0.47 \| good	36.304 \| good	0.676 \| good
2026-01-22T04:00:00.000Z	94 \| moderate	31.691 \| fine	60.407 \| fine	9.273 \| good	0.481 \| good	37.428 \| good	0.754 \| good
2026-01-22T05:00:00.000Z	97 \| moderate	33.955 \| fine	61.687 \| fine	7.42 \| good	0.716 \| good	38.282 \| good	0.789 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	34.67 \| fine	65.512 \| fine	5.997 \| good	0.632 \| good	37.304 \| good	0.854 \| good
2026-01-22T07:00:00.000Z	102 \| sensitive	35.857 \| moderate	63.266 \| fine	4.949 \| good	0.64 \| good	37.258 \| good	0.898 \| good
2026-01-22T08:00:00.000Z	99 \| moderate	34.773 \| fine	63.706 \| fine	3.472 \| good	0.647 \| good	37.566 \| good	0.804 \| good
2026-01-22T09:00:00.000Z	92 \| moderate	30.585 \| fine	56.944 \| fine	1.602 \| good	0.683 \| good	34.202 \| good	0.794 \| good
2026-01-22T10:00:00.000Z	86 \| moderate	27.867 \| fine	57.958 \| fine	3.761 \| good	0.679 \| good	33.936 \| good	0.817 \| good
2026-01-22T11:00:00.000Z	86 \| moderate	28.149 \| fine	60.322 \| fine	2.504 \| good	0.697 \| good	33.428 \| good	0.712 \| good
2026-01-22T12:00:00.000Z	97 \| moderate	34.235 \| fine	55.645 \| fine	2.607 \| good	0.609 \| good	31.936 \| good	0.715 \| good
2026-01-22T13:00:00.000Z	96 \| moderate	32.838 \| fine	55.946 \| fine	2.268 \| good	0.609 \| good	31.788 \| good	0.715 \| good
2026-01-22T14:00:00.000Z	115 \| sensitive	41.276 \| moderate	60.209 \| fine	2.872 \| good	0.598 \| good	27.242 \| good	0.732 \| good
2026-01-22T15:00:00.000Z	115 \| sensitive	41.004 \| moderate	66.658 \| fine	1.865 \| good	0.739 \| good	27.271 \| good	0.797 \| good
2026-01-22T16:00:00.000Z	122 \| sensitive	43.512 \| moderate	70.597 \| fine	3.959 \| good	0.752 \| good	26.592 \| good	0.824 \| good
2026-01-22T17:00:00.000Z	129 \| sensitive	46.702 \| moderate	70.26 \| fine	5.72 \| good	0.836 \| good	26.944 \| good	0.761 \| good
2026-01-22T18:00:00.000Z	144 \| sensitive	53.013 \| moderate	77.342 \| fine	7.738 \| good	0.867 \| good	28.194 \| good	0.726 \| good
2026-01-22T19:00:00.000Z	137 \| sensitive	49.782 \| moderate	72.97 \| fine	12.19 \| good	0.754 \| good	28.04 \| good	0.707 \| good
2026-01-22T20:00:00.000Z	139 \| sensitive	51.423 \| moderate	71.57 \| fine	14.335 \| good	0.642 \| good	30.437 \| good	0.626 \| good
2026-01-22T21:00:00.000Z	142 \| sensitive	52.126 \| moderate	69.983 \| fine	14.511 \| good	0.626 \| good	28.759 \| good	0.654 \| good
2026-01-22T22:00:00.000Z	139 \| sensitive	51.101 \| moderate	74.372 \| fine	15.679 \| good	0.614 \| good	32.526 \| good	0.652 \| good
2026-01-22T23:00:00.000Z	144 \| sensitive	52.548 \| moderate	77.725 \| fine	13.911 \| good	0.596 \| good	32.78 \| good	0.623 \| good
2026-01-23T00:00:00.000Z	147 \| sensitive	53.641 \| moderate	70.867 \| fine	13.006 \| good	0.458 \| good	31.625 \| good	0.627 \| good
2026-01-23T01:00:00.000Z	139 \| sensitive	51.48 \| moderate	63.261 \| fine	9.817 \| good	0.453 \| good	33.699 \| good	0.649 \| good
2026-01-23T02:00:00.000Z	86 \| moderate	28.216 \| fine	56.886 \| fine	6.961 \| good	0.443 \| good	33.444 \| good	0.651 \| good
2026-01-23T02:00:00.000Z	105 \| sensitive	37.141 \| moderate	53.559 \| good	5.986 \| good	0.629 \| good	36.582 \| good	0.684 \| good
2026-01-23T03:00:00.000Z	58 \| moderate	13.036 \| fine	58.501 \| fine	16.202 \| good	2.762 \| good	32.812 \| good	0.332 \| good
2026-01-23T04:00:00.000Z	56 \| moderate	12.219 \| fine	54.681 \| good	11.496 \| good	3.042 \| good	33.17 \| good	0.367 \| good
2026-01-23T05:00:00.000Z	58 \| moderate	13.313 \| fine	59.528 \| fine	10.015 \| good	3.322 \| good	33.528 \| good	0.402 \| good
2026-01-23T06:00:00.000Z	67 \| moderate	17.587 \| fine	78.217 \| fine	4.251 \| good	3.602 \| good	33.886 \| good	0.437 \| good
2026-01-23T07:00:00.000Z	71 \| moderate	19.561 \| fine	86.026 \| fine	1.843 \| good	3.363 \| good	32.317 \| good	0.424 \| good
2026-01-23T08:00:00.000Z	75 \| moderate	21.957 \| fine	96.264 \| fine	2.068 \| good	3.124 \| good	30.749 \| good	0.412 \| good
2026-01-23T09:00:00.000Z	77 \| moderate	22.97 \| fine	100.9 \| fine	3.055 \| good	2.885 \| good	29.181 \| good	0.399 \| good
2026-01-23T10:00:00.000Z	69 \| moderate	19.394 \| fine	85.372 \| fine	2.926 \| good	2.798 \| good	27.855 \| good	0.38 \| good
2026-01-23T11:00:00.000Z	69 \| moderate	19.378 \| fine	84.827 \| fine	3.021 \| good	2.71 \| good	26.529 \| good	0.36 \| good
2026-01-23T12:00:00.000Z	75 \| moderate	22.028 \| fine	96.716 \| fine	1.641 \| good	2.623 \| good	25.203 \| good	0.341 \| good
2026-01-23T13:00:00.000Z	67 \| moderate	18.15 \| fine	79.881 \| fine	1.376 \| good	2.848 \| good	25.463 \| good	0.348 \| good
2026-01-23T14:00:00.000Z	77 \| moderate	22.746 \| fine	100.208 \| fine	1.398 \| good	3.073 \| good	25.722 \| good	0.354 \| good
2026-01-23T15:00:00.000Z	81 \| moderate	24.933 \| fine	108.787 \| fine	1.763 \| good	3.299 \| good	25.982 \| good	0.361 \| good
2026-01-23T16:00:00.000Z	79 \| moderate	24.344 \| fine	106.234 \| fine	2.645 \| good	3.627 \| good	23.005 \| good	0.324 \| good
2026-01-23T17:00:00.000Z	75 \| moderate	21.507 \| fine	94.403 \| fine	6.569 \| good	3.955 \| good	20.029 \| good	0.288 \| good
2026-01-23T18:00:00.000Z	75 \| moderate	21.597 \| fine	94.685 \| fine	14.285 \| good	4.283 \| good	17.052 \| good	0.251 \| good
2026-01-23T19:00:00.000Z	62 \| moderate	15.47 \| fine	68.482 \| fine	25.993 \| good	3.467 \| good	14.167 \| good	0.219 \| good
2026-01-23T20:00:00.000Z	58 \| moderate	13.214 \| fine	59.15 \| fine	32.22 \| good	2.65 \| good	11.282 \| good	0.186 \| good
2026-01-23T21:00:00.000Z	58 \| moderate	13.285 \| fine	58.813 \| fine	32.757 \| good	1.834 \| good	8.396 \| good	0.154 \| good
2026-01-23T22:00:00.000Z	60 \| moderate	13.716 \| fine	61.166 \| fine	31.62 \| good	1.938 \| good	9.226 \| good	0.154 \| good
2026-01-23T23:00:00.000Z	60 \| moderate	14.378 \| fine	64.705 \| fine	31.568 \| good	2.041 \| good	10.056 \| good	0.154 \| good
2026-01-24T00:00:00.000Z	52 \| moderate	10.186 \| good	45.51 \| good	32.878 \| good	2.145 \| good	10.886 \| good	0.154 \| good
2026-01-24T01:00:00.000Z	58 \| moderate	12.548 \| fine	56.019 \| fine	29.579 \| good	2.539 \| good	17.735 \| good	0.198 \| good
2026-01-24T02:00:00.000Z	58 \| moderate	12.783 \| fine	57.688 \| fine	17.675 \| good	2.933 \| good	24.583 \| good	0.243 \| good
2026-01-24T03:00:00.000Z	56 \| moderate	12.225 \| fine	54.94 \| good	13.207 \| good	3.327 \| good	31.432 \| good	0.287 \| good
2026-01-24T04:00:00.000Z	56 \| moderate	12.267 \| fine	55.027 \| fine	8.582 \| good	3.548 \| good	31.167 \| good	0.298 \| good
2026-01-24T05:00:00.000Z	60 \| moderate	14.341 \| fine	64.739 \| fine	6.161 \| good	3.77 \| good	30.903 \| good	0.309 \| good
2026-01-24T06:00:00.000Z	64 \| moderate	15.684 \| fine	70.007 \| fine	4.179 \| good	3.991 \| good	30.638 \| good	0.32 \| good
2026-01-24T07:00:00.000Z	71 \| moderate	19.596 \| fine	86.193 \| fine	2.559 \| good	4.044 \| good	28.765 \| good	0.303 \| good
2026-01-24T08:00:00.000Z	67 \| moderate	17.539 \| fine	77.791 \| fine	3.257 \| good	4.097 \| good	26.891 \| good	0.286 \| good
2026-01-24T09:00:00.000Z	67 \| moderate	18.017 \| fine	79.704 \| fine	2.749 \| good	4.15 \| good	25.017 \| good	0.269 \| good
2026-01-24T10:00:00.000Z	66 \| moderate	16.542 \| fine	73.438 \| fine	3.18 \| good	4.181 \| good	23.693 \| good	0.253 \| good
2026-01-24T11:00:00.000Z	69 \| moderate	18.582 \| fine	81.938 \| fine	3.59 \| good	4.212 \| good	22.37 \| good	0.238 \| good
2026-01-24T12:00:00.000Z	69 \| moderate	18.753 \| fine	82.394 \| fine	2.701 \| good	4.243 \| good	21.046 \| good	0.223 \| good
2026-01-24T13:00:00.000Z	66 \| moderate	17.012 \| fine	75.21 \| fine	2.861 \| good	4.341 \| good	20.89 \| good	0.227 \| good
2026-01-24T14:00:00.000Z	71 \| moderate	20.018 \| fine	88.136 \| fine	2.594 \| good	4.439 \| good	20.734 \| good	0.231 \| good
2026-01-24T15:00:00.000Z	71 \| moderate	20.16 \| fine	88.737 \| fine	2.819 \| good	4.537 \| good	20.578 \| good	0.235 \| good
2026-01-24T16:00:00.000Z	73 \| moderate	20.546 \| fine	90.135 \| fine	3.128 \| good	4.402 \| good	16.781 \| good	0.212 \| good
2026-01-24T17:00:00.000Z	60 \| moderate	13.788 \| fine	61.737 \| fine	10.201 \| good	4.267 \| good	12.983 \| good	0.19 \| good
2026-01-24T18:00:00.000Z	54 \| moderate	11.316 \| good	50.675 \| good	20.4 \| good	4.132 \| good	9.186 \| good	0.167 \| good
2026-01-24T19:00:00.000Z	38 \| good	6.911 \| good	30.394 \| good	31.898 \| good	3.479 \| good	7.752 \| good	0.158 \| good
2026-01-24T20:00:00.000Z	35 \| good	4.237 \| good	18.429 \| good	37.806 \| good	2.825 \| good	6.318 \| good	0.15 \| good
2026-01-24T21:00:00.000Z	37 \| good	2.823 \| good	12.189 \| good	39.972 \| good	2.172 \| good	4.884 \| good	0.142 \| good
2026-01-24T22:00:00.000Z	35 \| good	2.996 \| good	12.881 \| good	37.991 \| good	2.169 \| good	5.221 \| good	0.142 \| good
2026-01-24T23:00:00.000Z	33 \| good	2.028 \| good	8.124 \| good	36.293 \| good	2.166 \| good	5.558 \| good	0.143 \| good
2026-01-25T00:00:00.000Z	49 \| good	9.183 \| good	9.709 \| good	41.31 \| good	2.135 \| good	5.823 \| good	0.143 \| good
2026-01-25T01:00:00.000Z	33 \| good	1.858 \| good	7.531 \| good	36.168 \| good	2.431 \| good	11.821 \| good	0.181 \| good
2026-01-25T02:00:00.000Z	25 \| good	3.493 \| good	15.126 \| good	27.022 \| good	2.698 \| good	17.747 \| good	0.219 \| good

Fontana

Empower business decisions with accurate air quality data

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

0.61ppm

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

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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 12:00:00, 2026-01-23.

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 2026-01-22.

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

The air quality in Fontana, California right now is Unhealthy for Sensitive Groups, with an AQI of 105.

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 37.141 μg/m³.

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

Fontana, California currently has a PM₁₀ concentration of 53.559 μg/m³.

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

The current carbon monoxide (CO) level in Fontana, California is 0.684 ppm.

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

The current sulfur dioxide (SO₂) concentration in Fontana, California is 0.629 ppb.

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

Fontana, California currently has an ozone (O₃) concentration of 5.986 ppm.

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

The current level of nitrogen dioxide (NO₂) in Fontana, California is 36.582 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T03:00:00.000Z	69 \| moderate	18.532 \| fine	81.699 \| fine	6.363 \| good	2.766 \| good	34.188 \| good	0.393 \| good
2026-01-21T04:00:00.000Z	64 \| moderate	16.435 \| fine	50.671 \| good	16.112 \| good	0.493 \| good	33.707 \| good	0.743 \| good
2026-01-21T05:00:00.000Z	62 \| moderate	14.716 \| fine	53.42 \| good	11.765 \| good	0.738 \| good	37.094 \| good	0.736 \| good
2026-01-21T06:00:00.000Z	58 \| moderate	13.463 \| fine	42.345 \| good	11.962 \| good	0.513 \| good	34.474 \| good	0.581 \| good
2026-01-21T07:00:00.000Z	58 \| moderate	13.378 \| fine	43.466 \| good	10.51 \| good	0.535 \| good	34.474 \| good	0.581 \| good
2026-01-21T08:00:00.000Z	56 \| moderate	12.383 \| fine	38.528 \| good	5.855 \| good	0.631 \| good	31.768 \| good	0.454 \| good
2026-01-21T09:00:00.000Z	56 \| moderate	12.263 \| fine	37.301 \| good	5.401 \| good	0.56 \| good	30.138 \| good	0.499 \| good
2026-01-21T10:00:00.000Z	54 \| moderate	11.478 \| good	34.077 \| good	5.96 \| good	0.484 \| good	29.594 \| good	0.465 \| good
2026-01-21T11:00:00.000Z	56 \| moderate	12.116 \| fine	32.453 \| good	5.979 \| good	0.565 \| good	30.143 \| good	0.596 \| good
2026-01-21T12:00:00.000Z	58 \| moderate	12.761 \| fine	32.921 \| good	5.966 \| good	0.507 \| good	27.58 \| good	0.525 \| good
2026-01-21T13:00:00.000Z	56 \| moderate	12.308 \| fine	31.323 \| good	5.981 \| good	0.501 \| good	27.58 \| good	0.525 \| good
2026-01-21T14:00:00.000Z	62 \| moderate	15.182 \| fine	40.298 \| good	3.688 \| good	0.799 \| good	26.287 \| good	0.645 \| good
2026-01-21T15:00:00.000Z	60 \| moderate	13.863 \| fine	43.005 \| good	6.348 \| good	1.009 \| good	26.566 \| good	0.854 \| good
2026-01-21T16:00:00.000Z	66 \| moderate	16.834 \| fine	53.935 \| good	4.982 \| good	1.133 \| good	28.464 \| good	0.877 \| good
2026-01-21T17:00:00.000Z	64 \| moderate	16.439 \| fine	62.629 \| fine	9.43 \| good	1.276 \| good	30.947 \| good	0.812 \| good
2026-01-21T18:00:00.000Z	62 \| moderate	15.335 \| fine	60.104 \| fine	10.663 \| good	0.952 \| good	34.04 \| good	0.732 \| good
2026-01-21T19:00:00.000Z	69 \| moderate	19.283 \| fine	71.819 \| fine	11.054 \| good	1.055 \| good	36.316 \| good	0.737 \| good
2026-01-21T20:00:00.000Z	67 \| moderate	17.847 \| fine	73.967 \| fine	11.204 \| good	0.808 \| good	34.249 \| good	0.606 \| good
2026-01-21T21:00:00.000Z	62 \| moderate	14.836 \| fine	64.908 \| fine	13.453 \| good	0.678 \| good	33.175 \| good	0.641 \| good
2026-01-21T22:00:00.000Z	60 \| moderate	13.629 \| fine	54.991 \| good	12.617 \| good	0.664 \| good	32.314 \| good	0.552 \| good
2026-01-21T23:00:00.000Z	60 \| moderate	14.253 \| fine	53.791 \| good	15.477 \| good	0.641 \| good	32.871 \| good	0.54 \| good
2026-01-22T00:00:00.000Z	62 \| moderate	15.17 \| fine	59.373 \| fine	14.456 \| good	0.678 \| good	31.823 \| good	0.54 \| good
2026-01-22T01:00:00.000Z	66 \| moderate	16.556 \| fine	56.919 \| fine	16.485 \| good	0.538 \| good	24.169 \| good	0.488 \| good
2026-01-22T02:00:00.000Z	77 \| moderate	23.363 \| fine	57.228 \| fine	11.998 \| good	0.53 \| good	34.476 \| good	0.669 \| good
2026-01-22T03:00:00.000Z	88 \| moderate	28.831 \| fine	58.09 \| fine	12.303 \| good	0.47 \| good	36.304 \| good	0.676 \| good
2026-01-22T04:00:00.000Z	94 \| moderate	31.691 \| fine	60.407 \| fine	9.273 \| good	0.481 \| good	37.428 \| good	0.754 \| good
2026-01-22T05:00:00.000Z	97 \| moderate	33.955 \| fine	61.687 \| fine	7.42 \| good	0.716 \| good	38.282 \| good	0.789 \| good
2026-01-22T06:00:00.000Z	99 \| moderate	34.67 \| fine	65.512 \| fine	5.997 \| good	0.632 \| good	37.304 \| good	0.854 \| good
2026-01-22T07:00:00.000Z	102 \| sensitive	35.857 \| moderate	63.266 \| fine	4.949 \| good	0.64 \| good	37.258 \| good	0.898 \| good
2026-01-22T08:00:00.000Z	99 \| moderate	34.773 \| fine	63.706 \| fine	3.472 \| good	0.647 \| good	37.566 \| good	0.804 \| good
2026-01-22T09:00:00.000Z	92 \| moderate	30.585 \| fine	56.944 \| fine	1.602 \| good	0.683 \| good	34.202 \| good	0.794 \| good
2026-01-22T10:00:00.000Z	86 \| moderate	27.867 \| fine	57.958 \| fine	3.761 \| good	0.679 \| good	33.936 \| good	0.817 \| good
2026-01-22T11:00:00.000Z	86 \| moderate	28.149 \| fine	60.322 \| fine	2.504 \| good	0.697 \| good	33.428 \| good	0.712 \| good
2026-01-22T12:00:00.000Z	97 \| moderate	34.235 \| fine	55.645 \| fine	2.607 \| good	0.609 \| good	31.936 \| good	0.715 \| good
2026-01-22T13:00:00.000Z	96 \| moderate	32.838 \| fine	55.946 \| fine	2.268 \| good	0.609 \| good	31.788 \| good	0.715 \| good
2026-01-22T14:00:00.000Z	115 \| sensitive	41.276 \| moderate	60.209 \| fine	2.872 \| good	0.598 \| good	27.242 \| good	0.732 \| good
2026-01-22T15:00:00.000Z	115 \| sensitive	41.004 \| moderate	66.658 \| fine	1.865 \| good	0.739 \| good	27.271 \| good	0.797 \| good
2026-01-22T16:00:00.000Z	122 \| sensitive	43.512 \| moderate	70.597 \| fine	3.959 \| good	0.752 \| good	26.592 \| good	0.824 \| good
2026-01-22T17:00:00.000Z	129 \| sensitive	46.702 \| moderate	70.26 \| fine	5.72 \| good	0.836 \| good	26.944 \| good	0.761 \| good
2026-01-22T18:00:00.000Z	144 \| sensitive	53.013 \| moderate	77.342 \| fine	7.738 \| good	0.867 \| good	28.194 \| good	0.726 \| good
2026-01-22T19:00:00.000Z	137 \| sensitive	49.782 \| moderate	72.97 \| fine	12.19 \| good	0.754 \| good	28.04 \| good	0.707 \| good
2026-01-22T20:00:00.000Z	139 \| sensitive	51.423 \| moderate	71.57 \| fine	14.335 \| good	0.642 \| good	30.437 \| good	0.626 \| good
2026-01-22T21:00:00.000Z	142 \| sensitive	52.126 \| moderate	69.983 \| fine	14.511 \| good	0.626 \| good	28.759 \| good	0.654 \| good
2026-01-22T22:00:00.000Z	139 \| sensitive	51.101 \| moderate	74.372 \| fine	15.679 \| good	0.614 \| good	32.526 \| good	0.652 \| good
2026-01-22T23:00:00.000Z	144 \| sensitive	52.548 \| moderate	77.725 \| fine	13.911 \| good	0.596 \| good	32.78 \| good	0.623 \| good
2026-01-23T00:00:00.000Z	147 \| sensitive	53.641 \| moderate	70.867 \| fine	13.006 \| good	0.458 \| good	31.625 \| good	0.627 \| good
2026-01-23T01:00:00.000Z	139 \| sensitive	51.48 \| moderate	63.261 \| fine	9.817 \| good	0.453 \| good	33.699 \| good	0.649 \| good
2026-01-23T02:00:00.000Z	86 \| moderate	28.216 \| fine	56.886 \| fine	6.961 \| good	0.443 \| good	33.444 \| good	0.651 \| good
2026-01-23T02:00:00.000Z	105 \| sensitive	37.141 \| moderate	53.559 \| good	5.986 \| good	0.629 \| good	36.582 \| good	0.684 \| good
2026-01-23T03:00:00.000Z	58 \| moderate	13.036 \| fine	58.501 \| fine	16.202 \| good	2.762 \| good	32.812 \| good	0.332 \| good
2026-01-23T04:00:00.000Z	56 \| moderate	12.219 \| fine	54.681 \| good	11.496 \| good	3.042 \| good	33.17 \| good	0.367 \| good
2026-01-23T05:00:00.000Z	58 \| moderate	13.313 \| fine	59.528 \| fine	10.015 \| good	3.322 \| good	33.528 \| good	0.402 \| good
2026-01-23T06:00:00.000Z	67 \| moderate	17.587 \| fine	78.217 \| fine	4.251 \| good	3.602 \| good	33.886 \| good	0.437 \| good
2026-01-23T07:00:00.000Z	71 \| moderate	19.561 \| fine	86.026 \| fine	1.843 \| good	3.363 \| good	32.317 \| good	0.424 \| good
2026-01-23T08:00:00.000Z	75 \| moderate	21.957 \| fine	96.264 \| fine	2.068 \| good	3.124 \| good	30.749 \| good	0.412 \| good
2026-01-23T09:00:00.000Z	77 \| moderate	22.97 \| fine	100.9 \| fine	3.055 \| good	2.885 \| good	29.181 \| good	0.399 \| good
2026-01-23T10:00:00.000Z	69 \| moderate	19.394 \| fine	85.372 \| fine	2.926 \| good	2.798 \| good	27.855 \| good	0.38 \| good
2026-01-23T11:00:00.000Z	69 \| moderate	19.378 \| fine	84.827 \| fine	3.021 \| good	2.71 \| good	26.529 \| good	0.36 \| good
2026-01-23T12:00:00.000Z	75 \| moderate	22.028 \| fine	96.716 \| fine	1.641 \| good	2.623 \| good	25.203 \| good	0.341 \| good
2026-01-23T13:00:00.000Z	67 \| moderate	18.15 \| fine	79.881 \| fine	1.376 \| good	2.848 \| good	25.463 \| good	0.348 \| good
2026-01-23T14:00:00.000Z	77 \| moderate	22.746 \| fine	100.208 \| fine	1.398 \| good	3.073 \| good	25.722 \| good	0.354 \| good
2026-01-23T15:00:00.000Z	81 \| moderate	24.933 \| fine	108.787 \| fine	1.763 \| good	3.299 \| good	25.982 \| good	0.361 \| good
2026-01-23T16:00:00.000Z	79 \| moderate	24.344 \| fine	106.234 \| fine	2.645 \| good	3.627 \| good	23.005 \| good	0.324 \| good
2026-01-23T17:00:00.000Z	75 \| moderate	21.507 \| fine	94.403 \| fine	6.569 \| good	3.955 \| good	20.029 \| good	0.288 \| good
2026-01-23T18:00:00.000Z	75 \| moderate	21.597 \| fine	94.685 \| fine	14.285 \| good	4.283 \| good	17.052 \| good	0.251 \| good
2026-01-23T19:00:00.000Z	62 \| moderate	15.47 \| fine	68.482 \| fine	25.993 \| good	3.467 \| good	14.167 \| good	0.219 \| good
2026-01-23T20:00:00.000Z	58 \| moderate	13.214 \| fine	59.15 \| fine	32.22 \| good	2.65 \| good	11.282 \| good	0.186 \| good
2026-01-23T21:00:00.000Z	58 \| moderate	13.285 \| fine	58.813 \| fine	32.757 \| good	1.834 \| good	8.396 \| good	0.154 \| good
2026-01-23T22:00:00.000Z	60 \| moderate	13.716 \| fine	61.166 \| fine	31.62 \| good	1.938 \| good	9.226 \| good	0.154 \| good
2026-01-23T23:00:00.000Z	60 \| moderate	14.378 \| fine	64.705 \| fine	31.568 \| good	2.041 \| good	10.056 \| good	0.154 \| good
2026-01-24T00:00:00.000Z	52 \| moderate	10.186 \| good	45.51 \| good	32.878 \| good	2.145 \| good	10.886 \| good	0.154 \| good
2026-01-24T01:00:00.000Z	58 \| moderate	12.548 \| fine	56.019 \| fine	29.579 \| good	2.539 \| good	17.735 \| good	0.198 \| good
2026-01-24T02:00:00.000Z	58 \| moderate	12.783 \| fine	57.688 \| fine	17.675 \| good	2.933 \| good	24.583 \| good	0.243 \| good
2026-01-24T03:00:00.000Z	56 \| moderate	12.225 \| fine	54.94 \| good	13.207 \| good	3.327 \| good	31.432 \| good	0.287 \| good
2026-01-24T04:00:00.000Z	56 \| moderate	12.267 \| fine	55.027 \| fine	8.582 \| good	3.548 \| good	31.167 \| good	0.298 \| good
2026-01-24T05:00:00.000Z	60 \| moderate	14.341 \| fine	64.739 \| fine	6.161 \| good	3.77 \| good	30.903 \| good	0.309 \| good
2026-01-24T06:00:00.000Z	64 \| moderate	15.684 \| fine	70.007 \| fine	4.179 \| good	3.991 \| good	30.638 \| good	0.32 \| good
2026-01-24T07:00:00.000Z	71 \| moderate	19.596 \| fine	86.193 \| fine	2.559 \| good	4.044 \| good	28.765 \| good	0.303 \| good
2026-01-24T08:00:00.000Z	67 \| moderate	17.539 \| fine	77.791 \| fine	3.257 \| good	4.097 \| good	26.891 \| good	0.286 \| good
2026-01-24T09:00:00.000Z	67 \| moderate	18.017 \| fine	79.704 \| fine	2.749 \| good	4.15 \| good	25.017 \| good	0.269 \| good
2026-01-24T10:00:00.000Z	66 \| moderate	16.542 \| fine	73.438 \| fine	3.18 \| good	4.181 \| good	23.693 \| good	0.253 \| good
2026-01-24T11:00:00.000Z	69 \| moderate	18.582 \| fine	81.938 \| fine	3.59 \| good	4.212 \| good	22.37 \| good	0.238 \| good
2026-01-24T12:00:00.000Z	69 \| moderate	18.753 \| fine	82.394 \| fine	2.701 \| good	4.243 \| good	21.046 \| good	0.223 \| good
2026-01-24T13:00:00.000Z	66 \| moderate	17.012 \| fine	75.21 \| fine	2.861 \| good	4.341 \| good	20.89 \| good	0.227 \| good
2026-01-24T14:00:00.000Z	71 \| moderate	20.018 \| fine	88.136 \| fine	2.594 \| good	4.439 \| good	20.734 \| good	0.231 \| good
2026-01-24T15:00:00.000Z	71 \| moderate	20.16 \| fine	88.737 \| fine	2.819 \| good	4.537 \| good	20.578 \| good	0.235 \| good
2026-01-24T16:00:00.000Z	73 \| moderate	20.546 \| fine	90.135 \| fine	3.128 \| good	4.402 \| good	16.781 \| good	0.212 \| good
2026-01-24T17:00:00.000Z	60 \| moderate	13.788 \| fine	61.737 \| fine	10.201 \| good	4.267 \| good	12.983 \| good	0.19 \| good
2026-01-24T18:00:00.000Z	54 \| moderate	11.316 \| good	50.675 \| good	20.4 \| good	4.132 \| good	9.186 \| good	0.167 \| good
2026-01-24T19:00:00.000Z	38 \| good	6.911 \| good	30.394 \| good	31.898 \| good	3.479 \| good	7.752 \| good	0.158 \| good
2026-01-24T20:00:00.000Z	35 \| good	4.237 \| good	18.429 \| good	37.806 \| good	2.825 \| good	6.318 \| good	0.15 \| good
2026-01-24T21:00:00.000Z	37 \| good	2.823 \| good	12.189 \| good	39.972 \| good	2.172 \| good	4.884 \| good	0.142 \| good
2026-01-24T22:00:00.000Z	35 \| good	2.996 \| good	12.881 \| good	37.991 \| good	2.169 \| good	5.221 \| good	0.142 \| good
2026-01-24T23:00:00.000Z	33 \| good	2.028 \| good	8.124 \| good	36.293 \| good	2.166 \| good	5.558 \| good	0.143 \| good
2026-01-25T00:00:00.000Z	49 \| good	9.183 \| good	9.709 \| good	41.31 \| good	2.135 \| good	5.823 \| good	0.143 \| good
2026-01-25T01:00:00.000Z	33 \| good	1.858 \| good	7.531 \| good	36.168 \| good	2.431 \| good	11.821 \| good	0.181 \| good
2026-01-25T02:00:00.000Z	25 \| good	3.493 \| good	15.126 \| good	27.022 \| good	2.698 \| good	17.747 \| good	0.219 \| good

Current air quality index in Fontana, California today

Common air pollutants in Fontana, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Fontana, California air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

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Frequently asked questions

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

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

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

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

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

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

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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 Fontana, California right now?

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

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

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

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