What is the current concentration of PM10 in Vallejo, California?

The current PM10 concentration at Vallejo, California is 111.742 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Vallejo, California?

The current sulfur dioxide (SO2) concentration at Vallejo, California is 1.001 ppb.

What is the current concentration of ozone (O3) in Vallejo, California?

The current ozone (O3) concentration at Vallejo, California is 4.106 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Vallejo, California?

The current nitrogen dioxide (NO2) concentration at Vallejo, California is 26.912 ppb.

Vallejo, California live air quality index now

Q: What is the current concentration of PM2.5 in Vallejo, California?

The current PM2.5 concentration at Vallejo, California is 25.518 μg/m3.

Stay updated with real-time air quality in Vallejo, 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

Vallejo, California

Last updated: ... (Local time)

Major air pollutants in Vallejo, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

25.52 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

111.74 μg/m³

155

255

425

605+

Ozone (O₃)

4.11 ppb

201

201+

Sulfur Dioxide (SO₂)

1.00 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

26.91 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.80 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Vallejo, California

Scroll To Air Quality Map

Track live Vallejo, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-12T09:00:00.000Z	79 \| moderate	24.453 \| fine	107.507 \| fine	2.087 \| good	1.097 \| good	16.964 \| good	0.636 \| good
2026-01-12T10:00:00.000Z	75 \| moderate	22.263 \| fine	97.488 \| fine	2.121 \| good	1 \| good	14.978 \| good	0.558 \| good
2026-01-12T11:00:00.000Z	71 \| moderate	19.81 \| fine	87.755 \| fine	2.127 \| good	0.999 \| good	17.217 \| good	0.534 \| good
2026-01-12T12:00:00.000Z	69 \| moderate	19.248 \| fine	85.863 \| fine	2.179 \| good	0.998 \| good	17.188 \| good	0.509 \| good
2026-01-12T13:00:00.000Z	66 \| moderate	17.006 \| fine	76.131 \| fine	6.067 \| good	2.173 \| good	18.992 \| good	0.514 \| good
2026-01-12T14:00:00.000Z	58 \| moderate	13.372 \| fine	60.392 \| fine	5.976 \| good	1.001 \| good	17.591 \| good	0.534 \| good
2026-01-12T15:00:00.000Z	54 \| moderate	11.126 \| good	49.616 \| good	5.027 \| good	0.809 \| good	16.632 \| good	0.531 \| good
2026-01-12T16:00:00.000Z	58 \| moderate	12.524 \| fine	56.605 \| fine	4.061 \| good	0.903 \| good	17.97 \| good	0.703 \| good
2026-01-12T17:00:00.000Z	56 \| moderate	11.711 \| good	51.553 \| good	4.078 \| good	0.999 \| good	15.848 \| good	0.83 \| good
2026-01-12T18:00:00.000Z	60 \| moderate	14.264 \| fine	64.373 \| fine	3.153 \| good	1.1 \| good	18.12 \| good	0.698 \| good
2026-01-12T19:00:00.000Z	60 \| moderate	14.307 \| fine	64.481 \| fine	3.235 \| good	1.107 \| good	18.048 \| good	0.635 \| good
2026-01-12T20:00:00.000Z	62 \| moderate	14.722 \| fine	66.565 \| fine	3.305 \| good	1.316 \| good	12.813 \| good	0.508 \| good
2026-01-12T21:00:00.000Z	58 \| moderate	13.064 \| fine	58.809 \| fine	3.376 \| good	1.206 \| good	11.167 \| good	0.377 \| good
2026-01-12T22:00:00.000Z	54 \| moderate	11.384 \| good	50.861 \| good	20.065 \| good	0.813 \| good	4.009 \| good	0.3 \| good
2026-01-12T23:00:00.000Z	52 \| moderate	9.585 \| good	42.89 \| good	25.007 \| good	0.615 \| good	3.801 \| good	0.201 \| good
2026-01-13T00:00:00.000Z	49 \| good	8.778 \| good	38.888 \| good	29.893 \| good	0.614 \| good	4.033 \| good	0.2 \| good
2026-01-13T01:00:00.000Z	49 \| good	8.882 \| good	38.91 \| good	33.82 \| good	0.711 \| good	4.169 \| good	0.202 \| good
2026-01-13T02:00:00.000Z	49 \| good	9.368 \| good	41.844 \| good	32.854 \| good	0.905 \| good	5.352 \| good	0.104 \| good
2026-01-13T03:00:00.000Z	54 \| moderate	11.216 \| good	50.07 \| good	29.863 \| good	0.713 \| good	10.657 \| good	0.203 \| good
2026-01-13T04:00:00.000Z	62 \| moderate	15.175 \| fine	67.31 \| fine	23.912 \| good	0.614 \| good	22.093 \| good	0.302 \| good
2026-01-13T05:00:00.000Z	71 \| moderate	20.405 \| fine	90.476 \| fine	13.08 \| good	0.611 \| good	28.583 \| good	0.597 \| good
2026-01-13T06:00:00.000Z	77 \| moderate	22.527 \| fine	98.181 \| fine	6.117 \| good	0.611 \| good	26.506 \| good	0.403 \| good
2026-01-13T07:00:00.000Z	75 \| moderate	21.621 \| fine	94.212 \| fine	4.129 \| good	0.611 \| good	25.959 \| good	0.404 \| good
2026-01-13T08:00:00.000Z	79 \| moderate	23.623 \| fine	103.815 \| fine	3.119 \| good	0.513 \| good	25.771 \| good	0.405 \| good
2026-01-13T09:00:00.000Z	77 \| moderate	23.111 \| fine	101.743 \| fine	6.001 \| good	0.608 \| good	21.923 \| good	0.502 \| good
2026-01-13T10:00:00.000Z	77 \| moderate	23.42 \| fine	101.742 \| fine	5.041 \| good	0.608 \| good	20.759 \| good	0.5 \| good
2026-01-13T11:00:00.000Z	77 \| moderate	23.422 \| fine	101.818 \| fine	5.029 \| good	0.608 \| good	20.745 \| good	0.5 \| good
2026-01-13T12:00:00.000Z	77 \| moderate	23.326 \| fine	101.82 \| fine	3.169 \| good	0.706 \| good	17.112 \| good	0.5 \| good
2026-01-13T13:00:00.000Z	75 \| moderate	21.553 \| fine	93.917 \| fine	4.826 \| good	2.174 \| good	18.356 \| good	0.206 \| good
2026-01-13T14:00:00.000Z	66 \| moderate	17.274 \| fine	76.444 \| fine	7.981 \| good	1.105 \| good	15.256 \| good	0.204 \| good
2026-01-13T15:00:00.000Z	67 \| moderate	17.554 \| fine	78.318 \| fine	8.995 \| good	0.709 \| good	14.575 \| good	0.11 \| good
2026-01-13T16:00:00.000Z	66 \| moderate	17.164 \| fine	76.382 \| fine	5.094 \| good	0.612 \| good	23.212 \| good	0.211 \| good
2026-01-13T17:00:00.000Z	66 \| moderate	16.953 \| fine	76.294 \| fine	10.922 \| good	0.611 \| good	21.082 \| good	0.117 \| good
2026-01-13T18:00:00.000Z	66 \| moderate	16.913 \| fine	74.687 \| fine	16.776 \| good	0.614 \| good	13.045 \| good	0.772 \| good
2026-01-13T19:00:00.000Z	67 \| moderate	17.876 \| fine	78.453 \| fine	17.853 \| good	0.809 \| good	7.057 \| good	0.583 \| good
2026-01-13T20:00:00.000Z	67 \| moderate	18.266 \| fine	80.418 \| fine	18.958 \| good	0.906 \| good	5.996 \| good	0.466 \| good
2026-01-13T21:00:00.000Z	67 \| moderate	17.576 \| fine	78.382 \| fine	26.856 \| good	0.807 \| good	4.329 \| good	0.402 \| good
2026-01-13T22:00:00.000Z	62 \| moderate	15.346 \| fine	68.736 \| fine	29.88 \| good	0.514 \| good	4.233 \| good	0.445 \| good
2026-01-13T23:00:00.000Z	60 \| moderate	14.276 \| fine	64.766 \| fine	29.969 \| good	0.517 \| good	4.13 \| good	0.352 \| good
2026-01-14T00:00:00.000Z	62 \| moderate	14.558 \| fine	64.755 \| fine	31.964 \| good	0.517 \| good	4.516 \| good	0.357 \| good
2026-01-14T01:00:00.000Z	60 \| moderate	13.924 \| fine	62.613 \| fine	34.902 \| good	0.517 \| good	4.523 \| good	0.357 \| good
2026-01-14T02:00:00.000Z	60 \| moderate	13.882 \| fine	62.447 \| fine	31.004 \| good	0.612 \| good	5.561 \| good	0.393 \| good
2026-01-14T03:00:00.000Z	56 \| moderate	12.452 \| fine	56.268 \| fine	7.131 \| good	1.571 \| good	22.22 \| good	0.422 \| good
2026-01-14T04:00:00.000Z	64 \| moderate	15.977 \| fine	70.396 \| fine	22.95 \| good	0.515 \| good	15.785 \| good	0.582 \| good
2026-01-14T05:00:00.000Z	69 \| moderate	18.793 \| fine	82.457 \| fine	13.052 \| good	0.612 \| good	33.166 \| good	0.404 \| good
2026-01-14T06:00:00.000Z	81 \| moderate	25.341 \| fine	109.845 \| fine	11.97 \| good	0.71 \| good	29.763 \| good	0.698 \| good
2026-01-14T07:00:00.000Z	82 \| moderate	25.518 \| fine	111.742 \| fine	4.106 \| good	1.001 \| good	26.912 \| good	0.799 \| good
2026-01-14T08:00:00.000Z	82 \| moderate	25.518 \| fine	111.742 \| fine	4.106 \| good	1.001 \| good	26.912 \| good	0.799 \| good
2026-01-14T09:00:00.000Z	54 \| moderate	11.074 \| good	48.814 \| good	3.4 \| good	1.554 \| good	19.756 \| good	0.471 \| good
2026-01-14T10:00:00.000Z	54 \| moderate	10.776 \| good	47.804 \| good	2.424 \| good	1.367 \| good	19.068 \| good	0.44 \| good
2026-01-14T11:00:00.000Z	52 \| moderate	9.646 \| good	42.82 \| good	2.272 \| good	1.181 \| good	18.38 \| good	0.408 \| good
2026-01-14T12:00:00.000Z	49 \| good	8.789 \| good	38.727 \| good	2.515 \| good	0.994 \| good	17.693 \| good	0.376 \| good
2026-01-14T13:00:00.000Z	38 \| good	6.972 \| good	30.818 \| good	4.843 \| good	0.989 \| good	17.365 \| good	0.362 \| good
2026-01-14T14:00:00.000Z	52 \| moderate	9.997 \| good	44.307 \| good	4.475 \| good	0.984 \| good	17.037 \| good	0.347 \| good
2026-01-14T15:00:00.000Z	49 \| good	8.533 \| good	37.34 \| good	5.499 \| good	0.979 \| good	16.709 \| good	0.332 \| good
2026-01-14T16:00:00.000Z	54 \| moderate	10.565 \| good	46.843 \| good	8.195 \| good	1.115 \| good	15.141 \| good	0.334 \| good
2026-01-14T17:00:00.000Z	54 \| moderate	10.673 \| good	47.514 \| good	12.515 \| good	1.251 \| good	13.572 \| good	0.335 \| good
2026-01-14T18:00:00.000Z	49 \| good	8.913 \| good	39.195 \| good	16.389 \| good	1.387 \| good	12.004 \| good	0.337 \| good
2026-01-14T19:00:00.000Z	44 \| good	7.837 \| good	34.516 \| good	20.97 \| good	1.511 \| good	10.743 \| good	0.305 \| good
2026-01-14T20:00:00.000Z	38 \| good	7.315 \| good	32.07 \| good	28.833 \| good	1.635 \| good	9.482 \| good	0.273 \| good
2026-01-14T21:00:00.000Z	33 \| good	5.812 \| good	25.075 \| good	32.108 \| good	1.759 \| good	8.221 \| good	0.241 \| good
2026-01-14T22:00:00.000Z	33 \| good	5.812 \| good	24.902 \| good	35.792 \| good	1.665 \| good	8.816 \| good	0.241 \| good
2026-01-14T23:00:00.000Z	33 \| good	6.218 \| good	27.462 \| good	35.666 \| good	1.572 \| good	9.411 \| good	0.24 \| good
2026-01-15T00:00:00.000Z	33 \| good	6.339 \| good	28.547 \| good	30.398 \| good	1.478 \| good	10.005 \| good	0.239 \| good
2026-01-15T01:00:00.000Z	33 \| good	6.247 \| good	27.531 \| good	23.315 \| good	1.605 \| good	14.135 \| good	0.299 \| good
2026-01-15T02:00:00.000Z	44 \| good	7.882 \| good	35.107 \| good	18.386 \| good	1.731 \| good	18.264 \| good	0.359 \| good
2026-01-15T03:00:00.000Z	49 \| good	9.134 \| good	40.493 \| good	15.728 \| good	1.858 \| good	22.393 \| good	0.419 \| good
2026-01-15T04:00:00.000Z	54 \| moderate	10.838 \| good	48.279 \| good	15.323 \| good	1.874 \| good	21.821 \| good	0.434 \| good
2026-01-15T05:00:00.000Z	49 \| good	9.119 \| good	39.921 \| good	14.309 \| good	1.89 \| good	21.248 \| good	0.449 \| good
2026-01-15T06:00:00.000Z	52 \| moderate	9.638 \| good	42.795 \| good	11.361 \| good	1.906 \| good	20.675 \| good	0.464 \| good
2026-01-15T07:00:00.000Z	52 \| moderate	10.069 \| good	44.771 \| good	8.335 \| good	1.695 \| good	20.01 \| good	0.443 \| good
2026-01-15T08:00:00.000Z	49 \| good	9.472 \| good	42.26 \| good	6.959 \| good	1.485 \| good	19.346 \| good	0.423 \| good
2026-01-15T09:00:00.000Z	44 \| good	7.951 \| good	34.844 \| good	6.768 \| good	1.274 \| good	18.682 \| good	0.403 \| good
2026-01-15T10:00:00.000Z	44 \| good	7.783 \| good	34.088 \| good	5.513 \| good	1.213 \| good	18.458 \| good	0.366 \| good
2026-01-15T11:00:00.000Z	44 \| good	7.935 \| good	34.938 \| good	4.566 \| good	1.152 \| good	18.234 \| good	0.328 \| good
2026-01-15T12:00:00.000Z	49 \| good	8.884 \| good	38.791 \| good	5.126 \| good	1.092 \| good	18.01 \| good	0.291 \| good
2026-01-15T13:00:00.000Z	49 \| good	9.09 \| good	40.22 \| good	6.346 \| good	1.145 \| good	17.57 \| good	0.283 \| good
2026-01-15T14:00:00.000Z	58 \| moderate	12.593 \| fine	56.385 \| fine	5.967 \| good	1.199 \| good	17.13 \| good	0.275 \| good
2026-01-15T15:00:00.000Z	54 \| moderate	11.318 \| good	50.048 \| good	6.042 \| good	1.253 \| good	16.69 \| good	0.267 \| good
2026-01-15T16:00:00.000Z	58 \| moderate	13.089 \| fine	58.718 \| fine	7.728 \| good	1.29 \| good	14.622 \| good	0.276 \| good
2026-01-15T17:00:00.000Z	58 \| moderate	12.834 \| fine	57.069 \| fine	13.633 \| good	1.327 \| good	12.553 \| good	0.285 \| good
2026-01-15T18:00:00.000Z	54 \| moderate	10.769 \| good	47.695 \| good	19.766 \| good	1.363 \| good	10.485 \| good	0.294 \| good
2026-01-15T19:00:00.000Z	49 \| good	8.75 \| good	38.802 \| good	26.154 \| good	1.336 \| good	9.4 \| good	0.269 \| good
2026-01-15T20:00:00.000Z	44 \| good	8.385 \| good	36.929 \| good	33.874 \| good	1.309 \| good	8.314 \| good	0.244 \| good
2026-01-15T21:00:00.000Z	38 \| good	7.35 \| good	32.387 \| good	35.984 \| good	1.281 \| good	7.229 \| good	0.219 \| good
2026-01-15T22:00:00.000Z	38 \| good	6.915 \| good	30.69 \| good	37.084 \| good	1.235 \| good	7.675 \| good	0.217 \| good
2026-01-15T23:00:00.000Z	49 \| good	8.929 \| good	39.475 \| good	37.016 \| good	1.189 \| good	8.121 \| good	0.216 \| good
2026-01-16T00:00:00.000Z	44 \| good	8.184 \| good	35.894 \| good	31.533 \| good	1.143 \| good	8.568 \| good	0.214 \| good
2026-01-16T01:00:00.000Z	49 \| good	9.335 \| good	41.402 \| good	21.714 \| good	1.213 \| good	12.736 \| good	0.257 \| good
2026-01-16T02:00:00.000Z	52 \| moderate	10.024 \| good	44.352 \| good	15.166 \| good	1.283 \| good	16.905 \| good	0.3 \| good
2026-01-16T03:00:00.000Z	56 \| moderate	11.695 \| good	51.957 \| good	12.066 \| good	1.352 \| good	21.073 \| good	0.343 \| good
2026-01-16T04:00:00.000Z	58 \| moderate	13.353 \| fine	59.629 \| fine	10.924 \| good	1.403 \| good	21.074 \| good	0.361 \| good
2026-01-16T05:00:00.000Z	58 \| moderate	12.523 \| fine	56.375 \| fine	10.366 \| good	1.453 \| good	21.074 \| good	0.378 \| good
2026-01-16T06:00:00.000Z	75 \| moderate	22.464 \| fine	23.09 \| good	1.243 \| good	1.506 \| good	21.175 \| good	0.397 \| good
2026-01-16T07:00:00.000Z	58 \| moderate	12.938 \| fine	58.169 \| fine	6.745 \| good	1.359 \| good	20.377 \| good	0.383 \| good
2026-01-16T08:00:00.000Z	54 \| moderate	10.634 \| good	47.231 \| good	5.468 \| good	1.216 \| good	19.679 \| good	0.369 \| good

Vallejo

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Vallejo, California air quality map: Track AQI near you

0.67ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Vallejo, California updated?

The air quality for Vallejo, California is updated every hour.

When was the worst air quality at Vallejo, California in the last 24 hrs?

The worst air quality in Vallejo, California in the last 24 hours was observed at 07:00:00 on 2026-01-14.

When was the best air quality at Vallejo, California in the last 24 hrs?

In the last 24 hrs, the best air quality in Vallejo, California was observed at 03:00:00 on 2026-01-14.

What is the current air quality in Vallejo, California?

The current air quality in Vallejo, California is 82, categorized as Moderate based on real-time data.

What pollutant is the most common in Vallejo, California?

The most common pollutant in Vallejo, California is PM2.5.

What should I do if the air quality in Vallejo, California is poor?

If the air quality in Vallejo, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Vallejo, California?

The current PM_2.5 concentration at Vallejo, California is 25.518 μg/m³.

What is the current concentration of PM₁₀ in Vallejo, California?

The current PM₁₀ concentration at Vallejo, California is 111.742 μg/m³.

What is the current concentration of carbon monoxide (CO) in Vallejo, California?

The current carbon monoxide (CO) concentration at Vallejo, California is 0.799 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Vallejo, California?

The current sulfur dioxide (SO₂) concentration at Vallejo, California is 1.001 ppb.

What is the current concentration of ozone (O₃) in Vallejo, California?

The current ozone (O₃) concentration at Vallejo, California is 4.106 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Vallejo, California?

The current nitrogen dioxide (NO₂) concentration at Vallejo, California is 26.912 ppb.

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