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

Fontana, California currently has a PM10 concentration of 59.332 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Fontana, California is 0.757 ppb.

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

Fontana, California currently has an ozone (O3) concentration of 75.608 ppm.

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

The current level of nitrogen dioxide (NO2) in Fontana, California is 11.332 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 14.628 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)

119

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)

14.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

59.33 μg/m³

155

255

425

605+

Ozone (O₃)

75.61 ppb

201

201+

Sulfur Dioxide (SO₂)

0.76 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.33 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2026-07-21T23:00:00.000Z	100 \| moderate	8.981 \| good	36.951 \| good	69.803 \| fine	0.452 \| good	5.834 \| good	0.178 \| good
2026-07-22T00:00:00.000Z	84 \| moderate	8.626 \| good	53.942 \| good	64.795 \| fine	0.492 \| good	5.468 \| good	0.147 \| good
2026-07-22T01:00:00.000Z	64 \| moderate	8.914 \| good	35.704 \| good	59.283 \| fine	0.566 \| good	5.992 \| good	0.155 \| good
2026-07-22T02:00:00.000Z	52 \| moderate	9.63 \| good	30.939 \| good	44.532 \| good	0.542 \| good	6.09 \| good	0.147 \| good
2026-07-22T03:00:00.000Z	44 \| good	7.749 \| good	36.968 \| good	40.514 \| good	0.452 \| good	6.437 \| good	0.155 \| good
2026-07-22T04:00:00.000Z	44 \| good	7.694 \| good	21.76 \| good	38.747 \| good	0.483 \| good	5.014 \| good	0.164 \| good
2026-07-22T05:00:00.000Z	92 \| moderate	15.061 \| fine	138.305 \| fine	29.115 \| good	0.633 \| good	5.825 \| good	0.2 \| good
2026-07-22T06:00:00.000Z	68 \| moderate	6.892 \| good	90.128 \| fine	26.302 \| good	0.529 \| good	6.663 \| good	0.18 \| good
2026-07-22T07:00:00.000Z	75 \| moderate	19.523 \| fine	102.958 \| fine	27.069 \| good	0.525 \| good	7.038 \| good	0.18 \| good
2026-07-22T08:00:00.000Z	55 \| moderate	5.006 \| good	64.298 \| fine	23.132 \| good	0.516 \| good	10.372 \| good	0.244 \| good
2026-07-22T09:00:00.000Z	33 \| good	6.232 \| good	23.347 \| good	20.121 \| good	0.516 \| good	10.59 \| good	0.228 \| good
2026-07-22T10:00:00.000Z	22 \| good	4.383 \| good	17.018 \| good	16.83 \| good	0.465 \| good	11.764 \| good	0.228 \| good
2026-07-22T11:00:00.000Z	27 \| good	5.348 \| good	18.557 \| good	13.784 \| good	0.622 \| good	12.306 \| good	0.219 \| good
2026-07-22T12:00:00.000Z	27 \| good	5.322 \| good	14.149 \| good	15.192 \| good	0.495 \| good	11.261 \| good	0.277 \| good
2026-07-22T13:00:00.000Z	33 \| good	5.797 \| good	13.894 \| good	14.469 \| good	0.484 \| good	13.017 \| good	0.277 \| good
2026-07-22T14:00:00.000Z	44 \| good	8.025 \| good	32.878 \| good	13.227 \| good	0.497 \| good	18.677 \| good	0.369 \| good
2026-07-22T15:00:00.000Z	44 \| good	7.802 \| good	35.152 \| good	17.451 \| good	0.718 \| good	16.535 \| good	0.312 \| good
2026-07-22T16:00:00.000Z	49 \| good	8.727 \| good	21.328 \| good	20.629 \| good	0.758 \| good	12.919 \| good	0.25 \| good
2026-07-22T17:00:00.000Z	49 \| good	9.091 \| good	34.437 \| good	24.16 \| good	0.676 \| good	11.163 \| good	0.241 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.289 \| good	44.84 \| good	34.712 \| good	0.623 \| good	9.204 \| good	0.241 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.09 \| good	33.156 \| good	39.996 \| good	0.64 \| good	9.135 \| good	0.246 \| good
2026-07-22T20:00:00.000Z	43 \| good	6.852 \| good	22.79 \| good	46.327 \| good	0.644 \| good	7.769 \| good	0.246 \| good
2026-07-22T21:00:00.000Z	64 \| moderate	7.322 \| good	22.992 \| good	59.405 \| fine	0.625 \| good	6.45 \| good	0.241 \| good
2026-07-22T22:00:00.000Z	80 \| moderate	7.953 \| good	41.561 \| good	63.695 \| fine	0.561 \| good	6.712 \| good	0.236 \| good
2026-07-22T23:00:00.000Z	101 \| sensitive	8.494 \| good	35.702 \| good	70.929 \| fine	0.481 \| good	7.226 \| good	0.244 \| good
2026-07-23T00:00:00.000Z	129 \| sensitive	10.089 \| good	40.865 \| good	79.136 \| moderate	0.563 \| good	7.572 \| good	0.236 \| good
2026-07-23T01:00:00.000Z	112 \| sensitive	8.345 \| good	23.113 \| good	73.751 \| moderate	0.628 \| good	7.727 \| good	0.236 \| good
2026-07-23T02:00:00.000Z	58 \| moderate	8.713 \| good	25.976 \| good	57.182 \| fine	0.657 \| good	7.143 \| good	0.244 \| good
2026-07-23T03:00:00.000Z	58 \| moderate	12.969 \| fine	59.002 \| fine	50.272 \| good	1.02 \| good	3.35 \| good	0.117 \| good
2026-07-23T04:00:00.000Z	49 \| good	8.905 \| good	34.919 \| good	40.515 \| good	0.583 \| good	10.369 \| good	0.244 \| good
2026-07-23T05:00:00.000Z	44 \| good	8.228 \| good	35.807 \| good	33.284 \| good	0.707 \| good	13.137 \| good	0.244 \| good
2026-07-23T06:00:00.000Z	49 \| good	9.241 \| good	31.767 \| good	29.712 \| good	0.557 \| good	15.193 \| good	0.252 \| good
2026-07-23T07:00:00.000Z	44 \| good	8.234 \| good	30.344 \| good	30.953 \| good	0.555 \| good	15.228 \| good	0.252 \| good
2026-07-23T08:00:00.000Z	44 \| good	7.934 \| good	29.553 \| good	29.731 \| good	0.543 \| good	14.436 \| good	0.249 \| good
2026-07-23T09:00:00.000Z	38 \| good	7.103 \| good	30.066 \| good	23.18 \| good	0.595 \| good	14.098 \| good	0.233 \| good
2026-07-23T10:00:00.000Z	33 \| good	6.043 \| good	26.896 \| good	16.62 \| good	0.544 \| good	16.842 \| good	0.282 \| good
2026-07-23T11:00:00.000Z	27 \| good	4.9 \| good	20.427 \| good	23.763 \| good	0.765 \| good	14.15 \| good	0.233 \| good
2026-07-23T12:00:00.000Z	27 \| good	5.111 \| good	20.701 \| good	15.985 \| good	0.57 \| good	12.672 \| good	0.27 \| good
2026-07-23T13:00:00.000Z	33 \| good	6.379 \| good	22.616 \| good	11.947 \| good	0.538 \| good	12.455 \| good	0.27 \| good
2026-07-23T14:00:00.000Z	49 \| good	9.373 \| good	30.382 \| good	18.615 \| good	0.591 \| good	16.318 \| good	0.386 \| good
2026-07-23T15:00:00.000Z	49 \| good	9.319 \| good	39.639 \| good	16.969 \| good	0.794 \| good	19.444 \| good	0.351 \| good
2026-07-23T16:00:00.000Z	44 \| good	8.382 \| good	30.947 \| good	16.576 \| good	0.813 \| good	15.632 \| good	0.337 \| good
2026-07-23T17:00:00.000Z	52 \| moderate	9.601 \| good	38.82 \| good	25.756 \| good	0.733 \| good	11.643 \| good	0.292 \| good
2026-07-23T18:00:00.000Z	54 \| moderate	10.849 \| good	34.558 \| good	44.052 \| good	0.814 \| good	12.277 \| good	0.339 \| good
2026-07-23T19:00:00.000Z	64 \| moderate	9.316 \| good	26.484 \| good	58.771 \| fine	0.761 \| good	10.712 \| good	0.261 \| good
2026-07-23T20:00:00.000Z	80 \| moderate	10.192 \| good	35.979 \| good	64.307 \| fine	0.649 \| good	10.495 \| good	0.255 \| good
2026-07-23T21:00:00.000Z	133 \| sensitive	11.378 \| good	45.652 \| good	80.038 \| moderate	0.662 \| good	9.011 \| good	0.246 \| good
2026-07-23T22:00:00.000Z	119 \| sensitive	14.628 \| fine	59.332 \| fine	75.608 \| moderate	0.757 \| good	11.332 \| good	0.261 \| good
2026-07-23T23:00:00.000Z	164 \| unhealthy	18.091 \| fine	80.583 \| fine	90.636 \| poor	0.709 \| good	1.533 \| good	0.128 \| good
2026-07-24T00:00:00.000Z	154 \| unhealthy	16.393 \| fine	72.814 \| fine	87.184 \| poor	0.772 \| good	1.683 \| good	0.127 \| good
2026-07-24T01:00:00.000Z	129 \| sensitive	14.993 \| fine	66.772 \| fine	79.499 \| moderate	0.859 \| good	2.099 \| good	0.126 \| good
2026-07-24T02:00:00.000Z	119 \| sensitive	15.655 \| fine	69.016 \| fine	76.055 \| moderate	0.957 \| good	2.945 \| good	0.127 \| good
2026-07-24T03:00:00.000Z	60 \| moderate	13.514 \| fine	60.717 \| fine	56.273 \| fine	1.038 \| good	4.516 \| good	0.132 \| good
2026-07-24T04:00:00.000Z	58 \| moderate	12.508 \| fine	56.653 \| fine	44.638 \| good	1.097 \| good	5.892 \| good	0.139 \| good
2026-07-24T05:00:00.000Z	62 \| moderate	14.509 \| fine	64.846 \| fine	37.869 \| good	1.131 \| good	7.153 \| good	0.144 \| good
2026-07-24T06:00:00.000Z	60 \| moderate	14.34 \| fine	64.63 \| fine	32.325 \| good	1.151 \| good	9.002 \| good	0.152 \| good
2026-07-24T07:00:00.000Z	60 \| moderate	13.85 \| fine	62.579 \| fine	29.139 \| good	1.14 \| good	11.16 \| good	0.163 \| good
2026-07-24T08:00:00.000Z	62 \| moderate	15.444 \| fine	68.727 \| fine	24.913 \| good	1.093 \| good	12.417 \| good	0.172 \| good
2026-07-24T09:00:00.000Z	60 \| moderate	14.167 \| fine	62.768 \| fine	21.422 \| good	1.049 \| good	13.587 \| good	0.181 \| good
2026-07-24T10:00:00.000Z	58 \| moderate	13.334 \| fine	60.389 \| fine	16.577 \| good	1.023 \| good	14.733 \| good	0.19 \| good
2026-07-24T11:00:00.000Z	58 \| moderate	13.186 \| fine	58.599 \| fine	14.255 \| good	1.009 \| good	15.639 \| good	0.199 \| good
2026-07-24T12:00:00.000Z	64 \| moderate	16.024 \| fine	70.504 \| fine	12.903 \| good	0.994 \| good	16.133 \| good	0.205 \| good
2026-07-24T13:00:00.000Z	64 \| moderate	16.363 \| fine	72.517 \| fine	8.014 \| good	0.975 \| good	15.95 \| good	0.209 \| good
2026-07-24T14:00:00.000Z	67 \| moderate	17.86 \| fine	78.461 \| fine	14.985 \| good	0.927 \| good	13.392 \| good	0.214 \| good
2026-07-24T15:00:00.000Z	69 \| moderate	18.822 \| fine	82.441 \| fine	22.406 \| good	0.933 \| good	7.464 \| good	0.166 \| good
2026-07-24T16:00:00.000Z	64 \| moderate	15.577 \| fine	68.694 \| fine	30.641 \| good	0.835 \| good	4.865 \| good	0.147 \| good
2026-07-24T17:00:00.000Z	67 \| moderate	17.675 \| fine	78.568 \| fine	45.563 \| good	0.778 \| good	3.53 \| good	0.14 \| good
2026-07-24T18:00:00.000Z	93 \| moderate	19.865 \| fine	86.787 \| fine	68.346 \| fine	0.73 \| good	2.586 \| good	0.135 \| good
2026-07-24T19:00:00.000Z	154 \| unhealthy	19.951 \| fine	88.477 \| fine	87.472 \| poor	0.68 \| good	1.842 \| good	0.131 \| good
2026-07-24T20:00:00.000Z	177 \| unhealthy	19.61 \| fine	86.509 \| fine	95.738 \| poor	0.631 \| good	1.392 \| good	0.126 \| good
2026-07-24T21:00:00.000Z	161 \| unhealthy	14.965 \| fine	66.688 \| fine	90.309 \| poor	0.601 \| good	1.221 \| good	0.122 \| good
2026-07-24T22:00:00.000Z	143 \| sensitive	14.148 \| fine	62.881 \| fine	83.264 \| moderate	0.588 \| good	1.182 \| good	0.118 \| good
2026-07-24T23:00:00.000Z	122 \| sensitive	11.088 \| good	48.938 \| good	77.419 \| moderate	0.598 \| good	1.23 \| good	0.116 \| good
2026-07-25T00:00:00.000Z	100 \| moderate	10.398 \| good	45.92 \| good	70.252 \| fine	0.589 \| good	1.335 \| good	0.112 \| good
2026-07-25T01:00:00.000Z	74 \| moderate	9.819 \| good	43.885 \| good	61.698 \| fine	0.614 \| good	1.601 \| good	0.11 \| good
2026-07-25T02:00:00.000Z	54 \| moderate	10.303 \| good	45.862 \| good	55.867 \| fine	0.656 \| good	2.194 \| good	0.11 \| good
2026-07-25T03:00:00.000Z	54 \| moderate	10.969 \| good	48.815 \| good	45.292 \| good	0.72 \| good	3.384 \| good	0.113 \| good
2026-07-25T04:00:00.000Z	54 \| moderate	11.478 \| good	50.866 \| good	36.03 \| good	0.783 \| good	4.662 \| good	0.118 \| good
2026-07-25T05:00:00.000Z	58 \| moderate	12.666 \| fine	56.749 \| fine	30.181 \| good	0.824 \| good	6.091 \| good	0.124 \| good
2026-07-25T06:00:00.000Z	56 \| moderate	12.437 \| fine	56.596 \| fine	23.415 \| good	0.856 \| good	8.07 \| good	0.133 \| good
2026-07-25T07:00:00.000Z	56 \| moderate	12.059 \| good	54.419 \| good	21.138 \| good	0.852 \| good	9.501 \| good	0.14 \| good
2026-07-25T08:00:00.000Z	58 \| moderate	12.745 \| fine	56.725 \| fine	19.153 \| good	0.834 \| good	11.096 \| good	0.15 \| good
2026-07-25T09:00:00.000Z	54 \| moderate	11.404 \| good	50.446 \| good	15.938 \| good	0.824 \| good	12.437 \| good	0.157 \| good
2026-07-25T10:00:00.000Z	54 \| moderate	11.088 \| good	49.47 \| good	12.294 \| good	0.832 \| good	13.398 \| good	0.163 \| good
2026-07-25T11:00:00.000Z	52 \| moderate	10.134 \| good	44.566 \| good	10.443 \| good	0.832 \| good	14.17 \| good	0.168 \| good
2026-07-25T12:00:00.000Z	54 \| moderate	10.767 \| good	47.493 \| good	9.38 \| good	0.812 \| good	14.95 \| good	0.173 \| good
2026-07-25T13:00:00.000Z	52 \| moderate	10.45 \| good	46.463 \| good	9.268 \| good	0.778 \| good	15.163 \| good	0.178 \| good
2026-07-25T14:00:00.000Z	60 \| moderate	13.632 \| fine	60.465 \| fine	13.036 \| good	0.73 \| good	12.722 \| good	0.183 \| good
2026-07-25T15:00:00.000Z	62 \| moderate	14.521 \| fine	64.538 \| fine	19.293 \| good	0.766 \| good	7.423 \| good	0.151 \| good
2026-07-25T16:00:00.000Z	56 \| moderate	12.41 \| fine	56.398 \| fine	29.427 \| good	0.748 \| good	4.962 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	56 \| moderate	11.838 \| good	53.571 \| good	39.606 \| good	0.714 \| good	3.726 \| good	0.126 \| good
2026-07-25T18:00:00.000Z	52 \| moderate	10.12 \| good	44.753 \| good	49.469 \| good	0.653 \| good	2.702 \| good	0.12 \| good
2026-07-25T19:00:00.000Z	67 \| moderate	8.046 \| good	34.963 \| good	59.782 \| fine	0.596 \| good	1.901 \| good	0.117 \| good
2026-07-25T20:00:00.000Z	87 \| moderate	7.749 \| good	33.846 \| good	65.672 \| fine	0.541 \| good	1.419 \| good	0.114 \| good
2026-07-25T21:00:00.000Z	100 \| moderate	7.419 \| good	32.739 \| good	69.733 \| fine	0.51 \| good	1.221 \| good	0.112 \| good
2026-07-25T22:00:00.000Z	101 \| sensitive	9.645 \| good	42.764 \| good	70.673 \| fine	0.51 \| good	1.16 \| good	0.11 \| good

Fontana

Empower business decisions with accurate air quality data

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

0.24ppm

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 09:00:00, 2026-07-23.

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

The best air quality in Fontana, California was observed at 12:00:00 on 2026-07-23.

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 119.

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 14.628 μg/m³.

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

Fontana, California currently has a PM₁₀ concentration of 59.332 μg/m³.

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

The current carbon monoxide (CO) level in Fontana, California is 0.261 ppm.

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

The current sulfur dioxide (SO₂) concentration in Fontana, California is 0.757 ppb.

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

Fontana, California currently has an ozone (O₃) concentration of 75.608 ppm.

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

The current level of nitrogen dioxide (NO₂) in Fontana, California is 11.332 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	100 \| moderate	8.981 \| good	36.951 \| good	69.803 \| fine	0.452 \| good	5.834 \| good	0.178 \| good
2026-07-22T00:00:00.000Z	84 \| moderate	8.626 \| good	53.942 \| good	64.795 \| fine	0.492 \| good	5.468 \| good	0.147 \| good
2026-07-22T01:00:00.000Z	64 \| moderate	8.914 \| good	35.704 \| good	59.283 \| fine	0.566 \| good	5.992 \| good	0.155 \| good
2026-07-22T02:00:00.000Z	52 \| moderate	9.63 \| good	30.939 \| good	44.532 \| good	0.542 \| good	6.09 \| good	0.147 \| good
2026-07-22T03:00:00.000Z	44 \| good	7.749 \| good	36.968 \| good	40.514 \| good	0.452 \| good	6.437 \| good	0.155 \| good
2026-07-22T04:00:00.000Z	44 \| good	7.694 \| good	21.76 \| good	38.747 \| good	0.483 \| good	5.014 \| good	0.164 \| good
2026-07-22T05:00:00.000Z	92 \| moderate	15.061 \| fine	138.305 \| fine	29.115 \| good	0.633 \| good	5.825 \| good	0.2 \| good
2026-07-22T06:00:00.000Z	68 \| moderate	6.892 \| good	90.128 \| fine	26.302 \| good	0.529 \| good	6.663 \| good	0.18 \| good
2026-07-22T07:00:00.000Z	75 \| moderate	19.523 \| fine	102.958 \| fine	27.069 \| good	0.525 \| good	7.038 \| good	0.18 \| good
2026-07-22T08:00:00.000Z	55 \| moderate	5.006 \| good	64.298 \| fine	23.132 \| good	0.516 \| good	10.372 \| good	0.244 \| good
2026-07-22T09:00:00.000Z	33 \| good	6.232 \| good	23.347 \| good	20.121 \| good	0.516 \| good	10.59 \| good	0.228 \| good
2026-07-22T10:00:00.000Z	22 \| good	4.383 \| good	17.018 \| good	16.83 \| good	0.465 \| good	11.764 \| good	0.228 \| good
2026-07-22T11:00:00.000Z	27 \| good	5.348 \| good	18.557 \| good	13.784 \| good	0.622 \| good	12.306 \| good	0.219 \| good
2026-07-22T12:00:00.000Z	27 \| good	5.322 \| good	14.149 \| good	15.192 \| good	0.495 \| good	11.261 \| good	0.277 \| good
2026-07-22T13:00:00.000Z	33 \| good	5.797 \| good	13.894 \| good	14.469 \| good	0.484 \| good	13.017 \| good	0.277 \| good
2026-07-22T14:00:00.000Z	44 \| good	8.025 \| good	32.878 \| good	13.227 \| good	0.497 \| good	18.677 \| good	0.369 \| good
2026-07-22T15:00:00.000Z	44 \| good	7.802 \| good	35.152 \| good	17.451 \| good	0.718 \| good	16.535 \| good	0.312 \| good
2026-07-22T16:00:00.000Z	49 \| good	8.727 \| good	21.328 \| good	20.629 \| good	0.758 \| good	12.919 \| good	0.25 \| good
2026-07-22T17:00:00.000Z	49 \| good	9.091 \| good	34.437 \| good	24.16 \| good	0.676 \| good	11.163 \| good	0.241 \| good
2026-07-22T18:00:00.000Z	49 \| good	9.289 \| good	44.84 \| good	34.712 \| good	0.623 \| good	9.204 \| good	0.241 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.09 \| good	33.156 \| good	39.996 \| good	0.64 \| good	9.135 \| good	0.246 \| good
2026-07-22T20:00:00.000Z	43 \| good	6.852 \| good	22.79 \| good	46.327 \| good	0.644 \| good	7.769 \| good	0.246 \| good
2026-07-22T21:00:00.000Z	64 \| moderate	7.322 \| good	22.992 \| good	59.405 \| fine	0.625 \| good	6.45 \| good	0.241 \| good
2026-07-22T22:00:00.000Z	80 \| moderate	7.953 \| good	41.561 \| good	63.695 \| fine	0.561 \| good	6.712 \| good	0.236 \| good
2026-07-22T23:00:00.000Z	101 \| sensitive	8.494 \| good	35.702 \| good	70.929 \| fine	0.481 \| good	7.226 \| good	0.244 \| good
2026-07-23T00:00:00.000Z	129 \| sensitive	10.089 \| good	40.865 \| good	79.136 \| moderate	0.563 \| good	7.572 \| good	0.236 \| good
2026-07-23T01:00:00.000Z	112 \| sensitive	8.345 \| good	23.113 \| good	73.751 \| moderate	0.628 \| good	7.727 \| good	0.236 \| good
2026-07-23T02:00:00.000Z	58 \| moderate	8.713 \| good	25.976 \| good	57.182 \| fine	0.657 \| good	7.143 \| good	0.244 \| good
2026-07-23T03:00:00.000Z	58 \| moderate	12.969 \| fine	59.002 \| fine	50.272 \| good	1.02 \| good	3.35 \| good	0.117 \| good
2026-07-23T04:00:00.000Z	49 \| good	8.905 \| good	34.919 \| good	40.515 \| good	0.583 \| good	10.369 \| good	0.244 \| good
2026-07-23T05:00:00.000Z	44 \| good	8.228 \| good	35.807 \| good	33.284 \| good	0.707 \| good	13.137 \| good	0.244 \| good
2026-07-23T06:00:00.000Z	49 \| good	9.241 \| good	31.767 \| good	29.712 \| good	0.557 \| good	15.193 \| good	0.252 \| good
2026-07-23T07:00:00.000Z	44 \| good	8.234 \| good	30.344 \| good	30.953 \| good	0.555 \| good	15.228 \| good	0.252 \| good
2026-07-23T08:00:00.000Z	44 \| good	7.934 \| good	29.553 \| good	29.731 \| good	0.543 \| good	14.436 \| good	0.249 \| good
2026-07-23T09:00:00.000Z	38 \| good	7.103 \| good	30.066 \| good	23.18 \| good	0.595 \| good	14.098 \| good	0.233 \| good
2026-07-23T10:00:00.000Z	33 \| good	6.043 \| good	26.896 \| good	16.62 \| good	0.544 \| good	16.842 \| good	0.282 \| good
2026-07-23T11:00:00.000Z	27 \| good	4.9 \| good	20.427 \| good	23.763 \| good	0.765 \| good	14.15 \| good	0.233 \| good
2026-07-23T12:00:00.000Z	27 \| good	5.111 \| good	20.701 \| good	15.985 \| good	0.57 \| good	12.672 \| good	0.27 \| good
2026-07-23T13:00:00.000Z	33 \| good	6.379 \| good	22.616 \| good	11.947 \| good	0.538 \| good	12.455 \| good	0.27 \| good
2026-07-23T14:00:00.000Z	49 \| good	9.373 \| good	30.382 \| good	18.615 \| good	0.591 \| good	16.318 \| good	0.386 \| good
2026-07-23T15:00:00.000Z	49 \| good	9.319 \| good	39.639 \| good	16.969 \| good	0.794 \| good	19.444 \| good	0.351 \| good
2026-07-23T16:00:00.000Z	44 \| good	8.382 \| good	30.947 \| good	16.576 \| good	0.813 \| good	15.632 \| good	0.337 \| good
2026-07-23T17:00:00.000Z	52 \| moderate	9.601 \| good	38.82 \| good	25.756 \| good	0.733 \| good	11.643 \| good	0.292 \| good
2026-07-23T18:00:00.000Z	54 \| moderate	10.849 \| good	34.558 \| good	44.052 \| good	0.814 \| good	12.277 \| good	0.339 \| good
2026-07-23T19:00:00.000Z	64 \| moderate	9.316 \| good	26.484 \| good	58.771 \| fine	0.761 \| good	10.712 \| good	0.261 \| good
2026-07-23T20:00:00.000Z	80 \| moderate	10.192 \| good	35.979 \| good	64.307 \| fine	0.649 \| good	10.495 \| good	0.255 \| good
2026-07-23T21:00:00.000Z	133 \| sensitive	11.378 \| good	45.652 \| good	80.038 \| moderate	0.662 \| good	9.011 \| good	0.246 \| good
2026-07-23T22:00:00.000Z	119 \| sensitive	14.628 \| fine	59.332 \| fine	75.608 \| moderate	0.757 \| good	11.332 \| good	0.261 \| good
2026-07-23T23:00:00.000Z	164 \| unhealthy	18.091 \| fine	80.583 \| fine	90.636 \| poor	0.709 \| good	1.533 \| good	0.128 \| good
2026-07-24T00:00:00.000Z	154 \| unhealthy	16.393 \| fine	72.814 \| fine	87.184 \| poor	0.772 \| good	1.683 \| good	0.127 \| good
2026-07-24T01:00:00.000Z	129 \| sensitive	14.993 \| fine	66.772 \| fine	79.499 \| moderate	0.859 \| good	2.099 \| good	0.126 \| good
2026-07-24T02:00:00.000Z	119 \| sensitive	15.655 \| fine	69.016 \| fine	76.055 \| moderate	0.957 \| good	2.945 \| good	0.127 \| good
2026-07-24T03:00:00.000Z	60 \| moderate	13.514 \| fine	60.717 \| fine	56.273 \| fine	1.038 \| good	4.516 \| good	0.132 \| good
2026-07-24T04:00:00.000Z	58 \| moderate	12.508 \| fine	56.653 \| fine	44.638 \| good	1.097 \| good	5.892 \| good	0.139 \| good
2026-07-24T05:00:00.000Z	62 \| moderate	14.509 \| fine	64.846 \| fine	37.869 \| good	1.131 \| good	7.153 \| good	0.144 \| good
2026-07-24T06:00:00.000Z	60 \| moderate	14.34 \| fine	64.63 \| fine	32.325 \| good	1.151 \| good	9.002 \| good	0.152 \| good
2026-07-24T07:00:00.000Z	60 \| moderate	13.85 \| fine	62.579 \| fine	29.139 \| good	1.14 \| good	11.16 \| good	0.163 \| good
2026-07-24T08:00:00.000Z	62 \| moderate	15.444 \| fine	68.727 \| fine	24.913 \| good	1.093 \| good	12.417 \| good	0.172 \| good
2026-07-24T09:00:00.000Z	60 \| moderate	14.167 \| fine	62.768 \| fine	21.422 \| good	1.049 \| good	13.587 \| good	0.181 \| good
2026-07-24T10:00:00.000Z	58 \| moderate	13.334 \| fine	60.389 \| fine	16.577 \| good	1.023 \| good	14.733 \| good	0.19 \| good
2026-07-24T11:00:00.000Z	58 \| moderate	13.186 \| fine	58.599 \| fine	14.255 \| good	1.009 \| good	15.639 \| good	0.199 \| good
2026-07-24T12:00:00.000Z	64 \| moderate	16.024 \| fine	70.504 \| fine	12.903 \| good	0.994 \| good	16.133 \| good	0.205 \| good
2026-07-24T13:00:00.000Z	64 \| moderate	16.363 \| fine	72.517 \| fine	8.014 \| good	0.975 \| good	15.95 \| good	0.209 \| good
2026-07-24T14:00:00.000Z	67 \| moderate	17.86 \| fine	78.461 \| fine	14.985 \| good	0.927 \| good	13.392 \| good	0.214 \| good
2026-07-24T15:00:00.000Z	69 \| moderate	18.822 \| fine	82.441 \| fine	22.406 \| good	0.933 \| good	7.464 \| good	0.166 \| good
2026-07-24T16:00:00.000Z	64 \| moderate	15.577 \| fine	68.694 \| fine	30.641 \| good	0.835 \| good	4.865 \| good	0.147 \| good
2026-07-24T17:00:00.000Z	67 \| moderate	17.675 \| fine	78.568 \| fine	45.563 \| good	0.778 \| good	3.53 \| good	0.14 \| good
2026-07-24T18:00:00.000Z	93 \| moderate	19.865 \| fine	86.787 \| fine	68.346 \| fine	0.73 \| good	2.586 \| good	0.135 \| good
2026-07-24T19:00:00.000Z	154 \| unhealthy	19.951 \| fine	88.477 \| fine	87.472 \| poor	0.68 \| good	1.842 \| good	0.131 \| good
2026-07-24T20:00:00.000Z	177 \| unhealthy	19.61 \| fine	86.509 \| fine	95.738 \| poor	0.631 \| good	1.392 \| good	0.126 \| good
2026-07-24T21:00:00.000Z	161 \| unhealthy	14.965 \| fine	66.688 \| fine	90.309 \| poor	0.601 \| good	1.221 \| good	0.122 \| good
2026-07-24T22:00:00.000Z	143 \| sensitive	14.148 \| fine	62.881 \| fine	83.264 \| moderate	0.588 \| good	1.182 \| good	0.118 \| good
2026-07-24T23:00:00.000Z	122 \| sensitive	11.088 \| good	48.938 \| good	77.419 \| moderate	0.598 \| good	1.23 \| good	0.116 \| good
2026-07-25T00:00:00.000Z	100 \| moderate	10.398 \| good	45.92 \| good	70.252 \| fine	0.589 \| good	1.335 \| good	0.112 \| good
2026-07-25T01:00:00.000Z	74 \| moderate	9.819 \| good	43.885 \| good	61.698 \| fine	0.614 \| good	1.601 \| good	0.11 \| good
2026-07-25T02:00:00.000Z	54 \| moderate	10.303 \| good	45.862 \| good	55.867 \| fine	0.656 \| good	2.194 \| good	0.11 \| good
2026-07-25T03:00:00.000Z	54 \| moderate	10.969 \| good	48.815 \| good	45.292 \| good	0.72 \| good	3.384 \| good	0.113 \| good
2026-07-25T04:00:00.000Z	54 \| moderate	11.478 \| good	50.866 \| good	36.03 \| good	0.783 \| good	4.662 \| good	0.118 \| good
2026-07-25T05:00:00.000Z	58 \| moderate	12.666 \| fine	56.749 \| fine	30.181 \| good	0.824 \| good	6.091 \| good	0.124 \| good
2026-07-25T06:00:00.000Z	56 \| moderate	12.437 \| fine	56.596 \| fine	23.415 \| good	0.856 \| good	8.07 \| good	0.133 \| good
2026-07-25T07:00:00.000Z	56 \| moderate	12.059 \| good	54.419 \| good	21.138 \| good	0.852 \| good	9.501 \| good	0.14 \| good
2026-07-25T08:00:00.000Z	58 \| moderate	12.745 \| fine	56.725 \| fine	19.153 \| good	0.834 \| good	11.096 \| good	0.15 \| good
2026-07-25T09:00:00.000Z	54 \| moderate	11.404 \| good	50.446 \| good	15.938 \| good	0.824 \| good	12.437 \| good	0.157 \| good
2026-07-25T10:00:00.000Z	54 \| moderate	11.088 \| good	49.47 \| good	12.294 \| good	0.832 \| good	13.398 \| good	0.163 \| good
2026-07-25T11:00:00.000Z	52 \| moderate	10.134 \| good	44.566 \| good	10.443 \| good	0.832 \| good	14.17 \| good	0.168 \| good
2026-07-25T12:00:00.000Z	54 \| moderate	10.767 \| good	47.493 \| good	9.38 \| good	0.812 \| good	14.95 \| good	0.173 \| good
2026-07-25T13:00:00.000Z	52 \| moderate	10.45 \| good	46.463 \| good	9.268 \| good	0.778 \| good	15.163 \| good	0.178 \| good
2026-07-25T14:00:00.000Z	60 \| moderate	13.632 \| fine	60.465 \| fine	13.036 \| good	0.73 \| good	12.722 \| good	0.183 \| good
2026-07-25T15:00:00.000Z	62 \| moderate	14.521 \| fine	64.538 \| fine	19.293 \| good	0.766 \| good	7.423 \| good	0.151 \| good
2026-07-25T16:00:00.000Z	56 \| moderate	12.41 \| fine	56.398 \| fine	29.427 \| good	0.748 \| good	4.962 \| good	0.133 \| good
2026-07-25T17:00:00.000Z	56 \| moderate	11.838 \| good	53.571 \| good	39.606 \| good	0.714 \| good	3.726 \| good	0.126 \| good
2026-07-25T18:00:00.000Z	52 \| moderate	10.12 \| good	44.753 \| good	49.469 \| good	0.653 \| good	2.702 \| good	0.12 \| good
2026-07-25T19:00:00.000Z	67 \| moderate	8.046 \| good	34.963 \| good	59.782 \| fine	0.596 \| good	1.901 \| good	0.117 \| good
2026-07-25T20:00:00.000Z	87 \| moderate	7.749 \| good	33.846 \| good	65.672 \| fine	0.541 \| good	1.419 \| good	0.114 \| good
2026-07-25T21:00:00.000Z	100 \| moderate	7.419 \| good	32.739 \| good	69.733 \| fine	0.51 \| good	1.221 \| good	0.112 \| good
2026-07-25T22:00:00.000Z	101 \| sensitive	9.645 \| good	42.764 \| good	70.673 \| fine	0.51 \| good	1.16 \| good	0.11 \| 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?

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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?