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

Fontana, California currently has a PM10 concentration of 38.914 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Fontana, California is 1.194 ppb.

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

Fontana, California currently has an ozone (O3) concentration of 62.026 ppm.

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

The current level of nitrogen dioxide (NO2) in Fontana, California is 10.366 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 8.858 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)

8.86 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

38.91 μg/m³

155

255

425

605+

Ozone (O₃)

62.03 ppb

201

201+

Sulfur Dioxide (SO₂)

1.19 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-04-22T04:00:00.000Z	32 \| good	4.458 \| good	13.386 \| good	35.106 \| good	0.916 \| good	8.904 \| good	0.259 \| good
2026-04-22T05:00:00.000Z	31 \| good	4.364 \| good	11.813 \| good	33.95 \| good	1.168 \| good	11.765 \| good	0.263 \| good
2026-04-22T06:00:00.000Z	31 \| good	4.45 \| good	14.017 \| good	33.751 \| good	1.162 \| good	11.765 \| good	0.263 \| good
2026-04-22T07:00:00.000Z	30 \| good	4.629 \| good	10.394 \| good	31.723 \| good	0.954 \| good	12.891 \| good	0.271 \| good
2026-04-22T08:00:00.000Z	28 \| good	2.496 \| good	9.768 \| good	29.737 \| good	0.89 \| good	8.247 \| good	0.217 \| good
2026-04-22T09:00:00.000Z	29 \| good	3.806 \| good	11.169 \| good	30.686 \| good	0.956 \| good	6.438 \| good	0.214 \| good
2026-04-22T10:00:00.000Z	28 \| good	5.145 \| good	10.347 \| good	29.588 \| good	0.888 \| good	8.568 \| good	0.212 \| good
2026-04-22T11:00:00.000Z	33 \| good	5.54 \| good	11.869 \| good	29.365 \| good	0.971 \| good	9.076 \| good	0.271 \| good
2026-04-22T12:00:00.000Z	27 \| good	5.409 \| good	13.265 \| good	27.211 \| good	0.892 \| good	12.8 \| good	0.371 \| good
2026-04-22T13:00:00.000Z	27 \| good	5.07 \| good	19.794 \| good	28.135 \| good	0.96 \| good	19.602 \| good	0.359 \| good
2026-04-22T14:00:00.000Z	27 \| good	5.327 \| good	17.52 \| good	26.898 \| good	0.884 \| good	21.071 \| good	0.44 \| good
2026-04-22T15:00:00.000Z	33 \| good	6.471 \| good	25.397 \| good	27.446 \| good	0.972 \| good	16.561 \| good	0.371 \| good
2026-04-22T16:00:00.000Z	33 \| good	6.012 \| good	22.705 \| good	33.895 \| good	0.933 \| good	8.637 \| good	0.277 \| good
2026-04-22T17:00:00.000Z	34 \| good	6.201 \| good	18.555 \| good	37.028 \| good	0.886 \| good	6.801 \| good	0.218 \| good
2026-04-22T18:00:00.000Z	38 \| good	5.506 \| good	16.166 \| good	40.716 \| good	0.913 \| good	6.671 \| good	0.215 \| good
2026-04-22T19:00:00.000Z	42 \| good	4.98 \| good	17.061 \| good	44.989 \| good	0.84 \| good	5.246 \| good	0.215 \| good
2026-04-22T20:00:00.000Z	44 \| good	4.624 \| good	17.59 \| good	48.14 \| good	0.899 \| good	5.41 \| good	0.21 \| good
2026-04-22T21:00:00.000Z	45 \| good	2.806 \| good	18.165 \| good	49.346 \| good	0.892 \| good	5.644 \| good	0.21 \| good
2026-04-22T22:00:00.000Z	46 \| good	4.067 \| good	19.911 \| good	50.429 \| good	0.894 \| good	5.597 \| good	0.207 \| good
2026-04-22T23:00:00.000Z	50 \| good	3.817 \| good	21.82 \| good	54.008 \| good	0.925 \| good	5.37 \| good	0.207 \| good
2026-04-23T00:00:00.000Z	51 \| moderate	4.287 \| good	24.606 \| good	54.605 \| good	0.992 \| good	5.172 \| good	0.259 \| good
2026-04-23T01:00:00.000Z	50 \| good	5.184 \| good	26.456 \| good	54.033 \| good	0.996 \| good	5.588 \| good	0.259 \| good
2026-04-23T02:00:00.000Z	49 \| good	4.699 \| good	23.13 \| good	52.624 \| good	1.004 \| good	7.394 \| good	0.259 \| good
2026-04-23T03:00:00.000Z	45 \| good	3.927 \| good	24.423 \| good	49.453 \| good	1.006 \| good	9.768 \| good	0.263 \| good
2026-04-23T04:00:00.000Z	41 \| good	3.799 \| good	21.019 \| good	44.24 \| good	1.009 \| good	11.682 \| good	0.267 \| good
2026-04-23T05:00:00.000Z	37 \| good	4.817 \| good	20.677 \| good	40.315 \| good	1.161 \| good	11.881 \| good	0.267 \| good
2026-04-23T06:00:00.000Z	35 \| good	4.659 \| good	20.905 \| good	37.927 \| good	0.968 \| good	10.105 \| good	0.279 \| good
2026-04-23T07:00:00.000Z	31 \| good	4.054 \| good	20.871 \| good	32.742 \| good	1.065 \| good	11.81 \| good	0.282 \| good
2026-04-23T08:00:00.000Z	27 \| good	4.342 \| good	17.953 \| good	28.944 \| good	1.004 \| good	14.319 \| good	0.221 \| good
2026-04-23T09:00:00.000Z	27 \| good	4.54 \| good	20.413 \| good	24.858 \| good	1.001 \| good	15.241 \| good	0.25 \| good
2026-04-23T10:00:00.000Z	27 \| good	4.885 \| good	18.974 \| good	19.523 \| good	0.93 \| good	18.865 \| good	0.339 \| good
2026-04-23T11:00:00.000Z	33 \| good	5.76 \| good	22.268 \| good	14.152 \| good	1.029 \| good	19.765 \| good	0.301 \| good
2026-04-23T12:00:00.000Z	33 \| good	6.325 \| good	20.799 \| good	11.6 \| good	0.957 \| good	23.238 \| good	0.339 \| good
2026-04-23T13:00:00.000Z	33 \| good	6.471 \| good	21.372 \| good	11.778 \| good	1.021 \| good	26.685 \| good	0.538 \| good
2026-04-23T14:00:00.000Z	38 \| good	6.937 \| good	41.241 \| good	12.704 \| good	1.11 \| good	26.332 \| good	0.587 \| good
2026-04-23T15:00:00.000Z	44 \| good	8.018 \| good	35.225 \| good	17.506 \| good	1.105 \| good	22.279 \| good	0.414 \| good
2026-04-23T16:00:00.000Z	44 \| good	7.986 \| good	31.801 \| good	23.08 \| good	1.102 \| good	16.488 \| good	0.315 \| good
2026-04-23T17:00:00.000Z	38 \| good	6.653 \| good	31.493 \| good	28.37 \| good	1.095 \| good	15.636 \| good	0.307 \| good
2026-04-23T18:00:00.000Z	33 \| good	6.489 \| good	33.571 \| good	30.957 \| good	1.091 \| good	14.405 \| good	0.27 \| good
2026-04-23T19:00:00.000Z	38 \| good	7.353 \| good	32.347 \| good	37.509 \| good	1.038 \| good	10.894 \| good	0.253 \| good
2026-04-23T20:00:00.000Z	40 \| good	7.303 \| good	30.244 \| good	42.507 \| good	1.012 \| good	10.264 \| good	0.262 \| good
2026-04-23T21:00:00.000Z	45 \| good	7.793 \| good	30.227 \| good	48.586 \| good	1.018 \| good	8.356 \| good	0.218 \| good
2026-04-23T22:00:00.000Z	50 \| good	8.702 \| good	31.51 \| good	54.018 \| good	0.951 \| good	5.349 \| good	0.218 \| good
2026-04-23T23:00:00.000Z	58 \| moderate	7.739 \| good	30.175 \| good	56.819 \| fine	1.002 \| good	6.007 \| good	0.218 \| good
2026-04-24T00:00:00.000Z	67 \| moderate	6.61 \| good	30.424 \| good	60.372 \| fine	0.991 \| good	6.386 \| good	0.27 \| good
2026-04-24T01:00:00.000Z	74 \| moderate	7.368 \| good	35.8 \| good	61.791 \| fine	1.044 \| good	8.128 \| good	0.267 \| good
2026-04-24T02:00:00.000Z	74 \| moderate	8.858 \| good	38.914 \| good	62.026 \| fine	1.194 \| good	10.366 \| good	0.268 \| good
2026-04-24T03:00:00.000Z	56 \| moderate	11.844 \| good	52.139 \| good	48.501 \| good	3.778 \| good	11.28 \| good	0.182 \| good
2026-04-24T03:00:00.000Z	74 \| moderate	8.858 \| good	38.914 \| good	62.026 \| fine	1.194 \| good	10.366 \| good	0.268 \| good
2026-04-24T04:00:00.000Z	56 \| moderate	12.144 \| fine	54.863 \| good	44.837 \| good	3.84 \| good	13.555 \| good	0.194 \| good
2026-04-24T05:00:00.000Z	56 \| moderate	12.203 \| fine	54.812 \| good	45.202 \| good	3.896 \| good	15.701 \| good	0.207 \| good
2026-04-24T06:00:00.000Z	54 \| moderate	11.294 \| good	50.012 \| good	43.497 \| good	3.953 \| good	17.848 \| good	0.22 \| good
2026-04-24T07:00:00.000Z	54 \| moderate	10.878 \| good	48.002 \| good	31.197 \| good	3.943 \| good	19.257 \| good	0.233 \| good
2026-04-24T08:00:00.000Z	56 \| moderate	12.498 \| fine	56.899 \| fine	22.422 \| good	3.934 \| good	20.667 \| good	0.246 \| good
2026-04-24T09:00:00.000Z	58 \| moderate	13.241 \| fine	59.195 \| fine	18.086 \| good	3.925 \| good	22.076 \| good	0.259 \| good
2026-04-24T10:00:00.000Z	62 \| moderate	15.156 \| fine	67.11 \| fine	15.064 \| good	3.927 \| good	21.685 \| good	0.259 \| good
2026-04-24T11:00:00.000Z	60 \| moderate	13.984 \| fine	63.033 \| fine	10.706 \| good	3.929 \| good	21.294 \| good	0.259 \| good
2026-04-24T12:00:00.000Z	60 \| moderate	14.336 \| fine	64.897 \| fine	8.403 \| good	3.931 \| good	20.904 \| good	0.258 \| good
2026-04-24T13:00:00.000Z	62 \| moderate	15.478 \| fine	69.196 \| fine	9.619 \| good	4.094 \| good	18.272 \| good	0.253 \| good
2026-04-24T14:00:00.000Z	64 \| moderate	15.802 \| fine	70.927 \| fine	18.012 \| good	4.256 \| good	15.641 \| good	0.247 \| good
2026-04-24T15:00:00.000Z	62 \| moderate	15.263 \| fine	69.009 \| fine	30.701 \| good	4.419 \| good	13.009 \| good	0.242 \| good
2026-04-24T16:00:00.000Z	62 \| moderate	15.398 \| fine	69.009 \| fine	44.012 \| good	3.998 \| good	10.038 \| good	0.214 \| good
2026-04-24T17:00:00.000Z	54 \| moderate	11.192 \| good	49.407 \| good	48.156 \| good	3.576 \| good	7.067 \| good	0.187 \| good
2026-04-24T18:00:00.000Z	54 \| moderate	10.325 \| good	45.922 \| good	55.746 \| fine	3.155 \| good	4.096 \| good	0.16 \| good
2026-04-24T19:00:00.000Z	67 \| moderate	9.204 \| good	40.945 \| good	60.451 \| fine	2.648 \| good	3.293 \| good	0.153 \| good
2026-04-24T20:00:00.000Z	84 \| moderate	7.825 \| good	34.022 \| good	64.677 \| fine	2.141 \| good	2.49 \| good	0.146 \| good
2026-04-24T21:00:00.000Z	93 \| moderate	6.122 \| good	27.126 \| good	68.26 \| fine	1.635 \| good	1.687 \| good	0.139 \| good
2026-04-24T22:00:00.000Z	100 \| moderate	5.555 \| good	24.155 \| good	69.76 \| fine	1.523 \| good	2.074 \| good	0.138 \| good
2026-04-24T23:00:00.000Z	90 \| moderate	6.168 \| good	27.077 \| good	67.299 \| fine	1.412 \| good	2.461 \| good	0.138 \| good
2026-04-25T00:00:00.000Z	61 \| moderate	6.709 \| good	29.892 \| good	57.644 \| fine	1.3 \| good	2.847 \| good	0.137 \| good
2026-04-25T01:00:00.000Z	49 \| good	6.573 \| good	29.067 \| good	52.598 \| good	1.413 \| good	4.308 \| good	0.144 \| good
2026-04-25T02:00:00.000Z	45 \| good	7.753 \| good	34.027 \| good	49.119 \| good	1.526 \| good	5.77 \| good	0.151 \| good
2026-04-25T03:00:00.000Z	48 \| good	7.96 \| good	35.055 \| good	52.427 \| good	1.639 \| good	7.231 \| good	0.158 \| good
2026-04-25T04:00:00.000Z	49 \| good	9.073 \| good	40.838 \| good	49.979 \| good	1.748 \| good	8.6 \| good	0.165 \| good
2026-04-25T05:00:00.000Z	52 \| moderate	10.067 \| good	44.794 \| good	50.603 \| good	1.856 \| good	9.97 \| good	0.173 \| good
2026-04-25T06:00:00.000Z	49 \| good	8.908 \| good	39.01 \| good	52.275 \| good	1.965 \| good	11.339 \| good	0.18 \| good
2026-04-25T07:00:00.000Z	49 \| good	8.42 \| good	36.87 \| good	53.266 \| good	1.924 \| good	10.373 \| good	0.177 \| good
2026-04-25T08:00:00.000Z	49 \| good	9.026 \| good	40.658 \| good	50.501 \| good	1.883 \| good	9.407 \| good	0.174 \| good
2026-04-25T09:00:00.000Z	52 \| moderate	10.094 \| good	44.798 \| good	46.382 \| good	1.842 \| good	8.441 \| good	0.171 \| good
2026-04-25T10:00:00.000Z	49 \| good	9.18 \| good	40.773 \| good	43.713 \| good	1.65 \| good	7.194 \| good	0.163 \| good
2026-04-25T11:00:00.000Z	49 \| good	8.505 \| good	36.978 \| good	39.369 \| good	1.457 \| good	5.947 \| good	0.155 \| good
2026-04-25T12:00:00.000Z	38 \| good	7.115 \| good	31.846 \| good	33.717 \| good	1.264 \| good	4.7 \| good	0.148 \| good
2026-04-25T13:00:00.000Z	28 \| good	5.281 \| good	22.975 \| good	29.722 \| good	1.089 \| good	4.275 \| good	0.145 \| good
2026-04-25T14:00:00.000Z	38 \| good	7.243 \| good	31.951 \| good	35.606 \| good	0.915 \| good	3.85 \| good	0.143 \| good
2026-04-25T15:00:00.000Z	39 \| good	5.685 \| good	24.152 \| good	42.129 \| good	0.741 \| good	3.426 \| good	0.141 \| good
2026-04-25T16:00:00.000Z	43 \| good	6.917 \| good	30.973 \| good	45.741 \| good	0.674 \| good	2.938 \| good	0.138 \| good
2026-04-25T17:00:00.000Z	46 \| good	3.428 \| good	15.057 \| good	49.921 \| good	0.608 \| good	2.451 \| good	0.135 \| good
2026-04-25T18:00:00.000Z	51 \| moderate	4.299 \| good	18.774 \| good	54.563 \| good	0.541 \| good	1.964 \| good	0.132 \| good
2026-04-25T19:00:00.000Z	54 \| moderate	3.243 \| good	13.854 \| good	56.31 \| fine	0.527 \| good	1.72 \| good	0.13 \| good
2026-04-25T20:00:00.000Z	61 \| moderate	4.482 \| good	19.118 \| good	58.268 \| fine	0.513 \| good	1.476 \| good	0.128 \| good
2026-04-25T21:00:00.000Z	67 \| moderate	6.056 \| good	27.005 \| good	59.685 \| fine	0.499 \| good	1.233 \| good	0.126 \| good
2026-04-25T22:00:00.000Z	67 \| moderate	5.459 \| good	23.239 \| good	59.824 \| fine	0.507 \| good	1.592 \| good	0.126 \| good
2026-04-25T23:00:00.000Z	61 \| moderate	5.251 \| good	22.955 \| good	58.434 \| fine	0.514 \| good	1.951 \| good	0.126 \| good
2026-04-26T00:00:00.000Z	49 \| good	8.252 \| good	12.974 \| good	52.958 \| good	0.526 \| good	2.332 \| good	0.126 \| good
2026-04-26T01:00:00.000Z	44 \| good	5.093 \| good	22.123 \| good	47.604 \| good	0.623 \| good	2.984 \| good	0.127 \| good
2026-04-26T02:00:00.000Z	43 \| good	4.748 \| good	20.977 \| good	46.047 \| good	0.723 \| good	3.657 \| good	0.129 \| good
2026-04-26T03:00:00.000Z	41 \| good	4.625 \| good	20.101 \| good	44.187 \| good	0.824 \| good	4.331 \| good	0.13 \| good

Fontana

Empower business decisions with accurate air quality data

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

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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 02:00:00, 2026-04-24.

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

The best air quality in Fontana, California was observed at 10:00:00 on 2026-04-23.

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

The air quality in Fontana, California right now is Moderate, with an AQI of 74.

What pollutant is most frequently found in Fontana, California?

In Fontana, California, O3 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 8.858 μg/m³.

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

Fontana, California currently has a PM₁₀ concentration of 38.914 μg/m³.

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

The current carbon monoxide (CO) level in Fontana, California is 0.268 ppm.

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

The current sulfur dioxide (SO₂) concentration in Fontana, California is 1.194 ppb.

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

Fontana, California currently has an ozone (O₃) concentration of 62.026 ppm.

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

The current level of nitrogen dioxide (NO₂) in Fontana, California is 10.366 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T04:00:00.000Z	32 \| good	4.458 \| good	13.386 \| good	35.106 \| good	0.916 \| good	8.904 \| good	0.259 \| good
2026-04-22T05:00:00.000Z	31 \| good	4.364 \| good	11.813 \| good	33.95 \| good	1.168 \| good	11.765 \| good	0.263 \| good
2026-04-22T06:00:00.000Z	31 \| good	4.45 \| good	14.017 \| good	33.751 \| good	1.162 \| good	11.765 \| good	0.263 \| good
2026-04-22T07:00:00.000Z	30 \| good	4.629 \| good	10.394 \| good	31.723 \| good	0.954 \| good	12.891 \| good	0.271 \| good
2026-04-22T08:00:00.000Z	28 \| good	2.496 \| good	9.768 \| good	29.737 \| good	0.89 \| good	8.247 \| good	0.217 \| good
2026-04-22T09:00:00.000Z	29 \| good	3.806 \| good	11.169 \| good	30.686 \| good	0.956 \| good	6.438 \| good	0.214 \| good
2026-04-22T10:00:00.000Z	28 \| good	5.145 \| good	10.347 \| good	29.588 \| good	0.888 \| good	8.568 \| good	0.212 \| good
2026-04-22T11:00:00.000Z	33 \| good	5.54 \| good	11.869 \| good	29.365 \| good	0.971 \| good	9.076 \| good	0.271 \| good
2026-04-22T12:00:00.000Z	27 \| good	5.409 \| good	13.265 \| good	27.211 \| good	0.892 \| good	12.8 \| good	0.371 \| good
2026-04-22T13:00:00.000Z	27 \| good	5.07 \| good	19.794 \| good	28.135 \| good	0.96 \| good	19.602 \| good	0.359 \| good
2026-04-22T14:00:00.000Z	27 \| good	5.327 \| good	17.52 \| good	26.898 \| good	0.884 \| good	21.071 \| good	0.44 \| good
2026-04-22T15:00:00.000Z	33 \| good	6.471 \| good	25.397 \| good	27.446 \| good	0.972 \| good	16.561 \| good	0.371 \| good
2026-04-22T16:00:00.000Z	33 \| good	6.012 \| good	22.705 \| good	33.895 \| good	0.933 \| good	8.637 \| good	0.277 \| good
2026-04-22T17:00:00.000Z	34 \| good	6.201 \| good	18.555 \| good	37.028 \| good	0.886 \| good	6.801 \| good	0.218 \| good
2026-04-22T18:00:00.000Z	38 \| good	5.506 \| good	16.166 \| good	40.716 \| good	0.913 \| good	6.671 \| good	0.215 \| good
2026-04-22T19:00:00.000Z	42 \| good	4.98 \| good	17.061 \| good	44.989 \| good	0.84 \| good	5.246 \| good	0.215 \| good
2026-04-22T20:00:00.000Z	44 \| good	4.624 \| good	17.59 \| good	48.14 \| good	0.899 \| good	5.41 \| good	0.21 \| good
2026-04-22T21:00:00.000Z	45 \| good	2.806 \| good	18.165 \| good	49.346 \| good	0.892 \| good	5.644 \| good	0.21 \| good
2026-04-22T22:00:00.000Z	46 \| good	4.067 \| good	19.911 \| good	50.429 \| good	0.894 \| good	5.597 \| good	0.207 \| good
2026-04-22T23:00:00.000Z	50 \| good	3.817 \| good	21.82 \| good	54.008 \| good	0.925 \| good	5.37 \| good	0.207 \| good
2026-04-23T00:00:00.000Z	51 \| moderate	4.287 \| good	24.606 \| good	54.605 \| good	0.992 \| good	5.172 \| good	0.259 \| good
2026-04-23T01:00:00.000Z	50 \| good	5.184 \| good	26.456 \| good	54.033 \| good	0.996 \| good	5.588 \| good	0.259 \| good
2026-04-23T02:00:00.000Z	49 \| good	4.699 \| good	23.13 \| good	52.624 \| good	1.004 \| good	7.394 \| good	0.259 \| good
2026-04-23T03:00:00.000Z	45 \| good	3.927 \| good	24.423 \| good	49.453 \| good	1.006 \| good	9.768 \| good	0.263 \| good
2026-04-23T04:00:00.000Z	41 \| good	3.799 \| good	21.019 \| good	44.24 \| good	1.009 \| good	11.682 \| good	0.267 \| good
2026-04-23T05:00:00.000Z	37 \| good	4.817 \| good	20.677 \| good	40.315 \| good	1.161 \| good	11.881 \| good	0.267 \| good
2026-04-23T06:00:00.000Z	35 \| good	4.659 \| good	20.905 \| good	37.927 \| good	0.968 \| good	10.105 \| good	0.279 \| good
2026-04-23T07:00:00.000Z	31 \| good	4.054 \| good	20.871 \| good	32.742 \| good	1.065 \| good	11.81 \| good	0.282 \| good
2026-04-23T08:00:00.000Z	27 \| good	4.342 \| good	17.953 \| good	28.944 \| good	1.004 \| good	14.319 \| good	0.221 \| good
2026-04-23T09:00:00.000Z	27 \| good	4.54 \| good	20.413 \| good	24.858 \| good	1.001 \| good	15.241 \| good	0.25 \| good
2026-04-23T10:00:00.000Z	27 \| good	4.885 \| good	18.974 \| good	19.523 \| good	0.93 \| good	18.865 \| good	0.339 \| good
2026-04-23T11:00:00.000Z	33 \| good	5.76 \| good	22.268 \| good	14.152 \| good	1.029 \| good	19.765 \| good	0.301 \| good
2026-04-23T12:00:00.000Z	33 \| good	6.325 \| good	20.799 \| good	11.6 \| good	0.957 \| good	23.238 \| good	0.339 \| good
2026-04-23T13:00:00.000Z	33 \| good	6.471 \| good	21.372 \| good	11.778 \| good	1.021 \| good	26.685 \| good	0.538 \| good
2026-04-23T14:00:00.000Z	38 \| good	6.937 \| good	41.241 \| good	12.704 \| good	1.11 \| good	26.332 \| good	0.587 \| good
2026-04-23T15:00:00.000Z	44 \| good	8.018 \| good	35.225 \| good	17.506 \| good	1.105 \| good	22.279 \| good	0.414 \| good
2026-04-23T16:00:00.000Z	44 \| good	7.986 \| good	31.801 \| good	23.08 \| good	1.102 \| good	16.488 \| good	0.315 \| good
2026-04-23T17:00:00.000Z	38 \| good	6.653 \| good	31.493 \| good	28.37 \| good	1.095 \| good	15.636 \| good	0.307 \| good
2026-04-23T18:00:00.000Z	33 \| good	6.489 \| good	33.571 \| good	30.957 \| good	1.091 \| good	14.405 \| good	0.27 \| good
2026-04-23T19:00:00.000Z	38 \| good	7.353 \| good	32.347 \| good	37.509 \| good	1.038 \| good	10.894 \| good	0.253 \| good
2026-04-23T20:00:00.000Z	40 \| good	7.303 \| good	30.244 \| good	42.507 \| good	1.012 \| good	10.264 \| good	0.262 \| good
2026-04-23T21:00:00.000Z	45 \| good	7.793 \| good	30.227 \| good	48.586 \| good	1.018 \| good	8.356 \| good	0.218 \| good
2026-04-23T22:00:00.000Z	50 \| good	8.702 \| good	31.51 \| good	54.018 \| good	0.951 \| good	5.349 \| good	0.218 \| good
2026-04-23T23:00:00.000Z	58 \| moderate	7.739 \| good	30.175 \| good	56.819 \| fine	1.002 \| good	6.007 \| good	0.218 \| good
2026-04-24T00:00:00.000Z	67 \| moderate	6.61 \| good	30.424 \| good	60.372 \| fine	0.991 \| good	6.386 \| good	0.27 \| good
2026-04-24T01:00:00.000Z	74 \| moderate	7.368 \| good	35.8 \| good	61.791 \| fine	1.044 \| good	8.128 \| good	0.267 \| good
2026-04-24T02:00:00.000Z	74 \| moderate	8.858 \| good	38.914 \| good	62.026 \| fine	1.194 \| good	10.366 \| good	0.268 \| good
2026-04-24T03:00:00.000Z	56 \| moderate	11.844 \| good	52.139 \| good	48.501 \| good	3.778 \| good	11.28 \| good	0.182 \| good
2026-04-24T03:00:00.000Z	74 \| moderate	8.858 \| good	38.914 \| good	62.026 \| fine	1.194 \| good	10.366 \| good	0.268 \| good
2026-04-24T04:00:00.000Z	56 \| moderate	12.144 \| fine	54.863 \| good	44.837 \| good	3.84 \| good	13.555 \| good	0.194 \| good
2026-04-24T05:00:00.000Z	56 \| moderate	12.203 \| fine	54.812 \| good	45.202 \| good	3.896 \| good	15.701 \| good	0.207 \| good
2026-04-24T06:00:00.000Z	54 \| moderate	11.294 \| good	50.012 \| good	43.497 \| good	3.953 \| good	17.848 \| good	0.22 \| good
2026-04-24T07:00:00.000Z	54 \| moderate	10.878 \| good	48.002 \| good	31.197 \| good	3.943 \| good	19.257 \| good	0.233 \| good
2026-04-24T08:00:00.000Z	56 \| moderate	12.498 \| fine	56.899 \| fine	22.422 \| good	3.934 \| good	20.667 \| good	0.246 \| good
2026-04-24T09:00:00.000Z	58 \| moderate	13.241 \| fine	59.195 \| fine	18.086 \| good	3.925 \| good	22.076 \| good	0.259 \| good
2026-04-24T10:00:00.000Z	62 \| moderate	15.156 \| fine	67.11 \| fine	15.064 \| good	3.927 \| good	21.685 \| good	0.259 \| good
2026-04-24T11:00:00.000Z	60 \| moderate	13.984 \| fine	63.033 \| fine	10.706 \| good	3.929 \| good	21.294 \| good	0.259 \| good
2026-04-24T12:00:00.000Z	60 \| moderate	14.336 \| fine	64.897 \| fine	8.403 \| good	3.931 \| good	20.904 \| good	0.258 \| good
2026-04-24T13:00:00.000Z	62 \| moderate	15.478 \| fine	69.196 \| fine	9.619 \| good	4.094 \| good	18.272 \| good	0.253 \| good
2026-04-24T14:00:00.000Z	64 \| moderate	15.802 \| fine	70.927 \| fine	18.012 \| good	4.256 \| good	15.641 \| good	0.247 \| good
2026-04-24T15:00:00.000Z	62 \| moderate	15.263 \| fine	69.009 \| fine	30.701 \| good	4.419 \| good	13.009 \| good	0.242 \| good
2026-04-24T16:00:00.000Z	62 \| moderate	15.398 \| fine	69.009 \| fine	44.012 \| good	3.998 \| good	10.038 \| good	0.214 \| good
2026-04-24T17:00:00.000Z	54 \| moderate	11.192 \| good	49.407 \| good	48.156 \| good	3.576 \| good	7.067 \| good	0.187 \| good
2026-04-24T18:00:00.000Z	54 \| moderate	10.325 \| good	45.922 \| good	55.746 \| fine	3.155 \| good	4.096 \| good	0.16 \| good
2026-04-24T19:00:00.000Z	67 \| moderate	9.204 \| good	40.945 \| good	60.451 \| fine	2.648 \| good	3.293 \| good	0.153 \| good
2026-04-24T20:00:00.000Z	84 \| moderate	7.825 \| good	34.022 \| good	64.677 \| fine	2.141 \| good	2.49 \| good	0.146 \| good
2026-04-24T21:00:00.000Z	93 \| moderate	6.122 \| good	27.126 \| good	68.26 \| fine	1.635 \| good	1.687 \| good	0.139 \| good
2026-04-24T22:00:00.000Z	100 \| moderate	5.555 \| good	24.155 \| good	69.76 \| fine	1.523 \| good	2.074 \| good	0.138 \| good
2026-04-24T23:00:00.000Z	90 \| moderate	6.168 \| good	27.077 \| good	67.299 \| fine	1.412 \| good	2.461 \| good	0.138 \| good
2026-04-25T00:00:00.000Z	61 \| moderate	6.709 \| good	29.892 \| good	57.644 \| fine	1.3 \| good	2.847 \| good	0.137 \| good
2026-04-25T01:00:00.000Z	49 \| good	6.573 \| good	29.067 \| good	52.598 \| good	1.413 \| good	4.308 \| good	0.144 \| good
2026-04-25T02:00:00.000Z	45 \| good	7.753 \| good	34.027 \| good	49.119 \| good	1.526 \| good	5.77 \| good	0.151 \| good
2026-04-25T03:00:00.000Z	48 \| good	7.96 \| good	35.055 \| good	52.427 \| good	1.639 \| good	7.231 \| good	0.158 \| good
2026-04-25T04:00:00.000Z	49 \| good	9.073 \| good	40.838 \| good	49.979 \| good	1.748 \| good	8.6 \| good	0.165 \| good
2026-04-25T05:00:00.000Z	52 \| moderate	10.067 \| good	44.794 \| good	50.603 \| good	1.856 \| good	9.97 \| good	0.173 \| good
2026-04-25T06:00:00.000Z	49 \| good	8.908 \| good	39.01 \| good	52.275 \| good	1.965 \| good	11.339 \| good	0.18 \| good
2026-04-25T07:00:00.000Z	49 \| good	8.42 \| good	36.87 \| good	53.266 \| good	1.924 \| good	10.373 \| good	0.177 \| good
2026-04-25T08:00:00.000Z	49 \| good	9.026 \| good	40.658 \| good	50.501 \| good	1.883 \| good	9.407 \| good	0.174 \| good
2026-04-25T09:00:00.000Z	52 \| moderate	10.094 \| good	44.798 \| good	46.382 \| good	1.842 \| good	8.441 \| good	0.171 \| good
2026-04-25T10:00:00.000Z	49 \| good	9.18 \| good	40.773 \| good	43.713 \| good	1.65 \| good	7.194 \| good	0.163 \| good
2026-04-25T11:00:00.000Z	49 \| good	8.505 \| good	36.978 \| good	39.369 \| good	1.457 \| good	5.947 \| good	0.155 \| good
2026-04-25T12:00:00.000Z	38 \| good	7.115 \| good	31.846 \| good	33.717 \| good	1.264 \| good	4.7 \| good	0.148 \| good
2026-04-25T13:00:00.000Z	28 \| good	5.281 \| good	22.975 \| good	29.722 \| good	1.089 \| good	4.275 \| good	0.145 \| good
2026-04-25T14:00:00.000Z	38 \| good	7.243 \| good	31.951 \| good	35.606 \| good	0.915 \| good	3.85 \| good	0.143 \| good
2026-04-25T15:00:00.000Z	39 \| good	5.685 \| good	24.152 \| good	42.129 \| good	0.741 \| good	3.426 \| good	0.141 \| good
2026-04-25T16:00:00.000Z	43 \| good	6.917 \| good	30.973 \| good	45.741 \| good	0.674 \| good	2.938 \| good	0.138 \| good
2026-04-25T17:00:00.000Z	46 \| good	3.428 \| good	15.057 \| good	49.921 \| good	0.608 \| good	2.451 \| good	0.135 \| good
2026-04-25T18:00:00.000Z	51 \| moderate	4.299 \| good	18.774 \| good	54.563 \| good	0.541 \| good	1.964 \| good	0.132 \| good
2026-04-25T19:00:00.000Z	54 \| moderate	3.243 \| good	13.854 \| good	56.31 \| fine	0.527 \| good	1.72 \| good	0.13 \| good
2026-04-25T20:00:00.000Z	61 \| moderate	4.482 \| good	19.118 \| good	58.268 \| fine	0.513 \| good	1.476 \| good	0.128 \| good
2026-04-25T21:00:00.000Z	67 \| moderate	6.056 \| good	27.005 \| good	59.685 \| fine	0.499 \| good	1.233 \| good	0.126 \| good
2026-04-25T22:00:00.000Z	67 \| moderate	5.459 \| good	23.239 \| good	59.824 \| fine	0.507 \| good	1.592 \| good	0.126 \| good
2026-04-25T23:00:00.000Z	61 \| moderate	5.251 \| good	22.955 \| good	58.434 \| fine	0.514 \| good	1.951 \| good	0.126 \| good
2026-04-26T00:00:00.000Z	49 \| good	8.252 \| good	12.974 \| good	52.958 \| good	0.526 \| good	2.332 \| good	0.126 \| good
2026-04-26T01:00:00.000Z	44 \| good	5.093 \| good	22.123 \| good	47.604 \| good	0.623 \| good	2.984 \| good	0.127 \| good
2026-04-26T02:00:00.000Z	43 \| good	4.748 \| good	20.977 \| good	46.047 \| good	0.723 \| good	3.657 \| good	0.129 \| good
2026-04-26T03:00:00.000Z	41 \| good	4.625 \| good	20.101 \| good	44.187 \| good	0.824 \| good	4.331 \| good	0.13 \| 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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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?

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

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