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

The current PM10 concentration at Vallejo, California is 29.736 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Vallejo, California is 0.425 ppb.

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

The current ozone (O3) concentration at Vallejo, California is 33.023 ppm.

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

The current nitrogen dioxide (NO2) concentration at Vallejo, California is 2.427 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 6.743 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)

Good

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)

9.08 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

40.91 μg/m³

155

255

425

605+

Ozone (O₃)

36.96 ppb

201

201+

Sulfur Dioxide (SO₂)

0.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2025-10-21T04:00:00.000Z	27 \| good	4.996 \| good	21.973 \| good	16.107 \| good	0.613 \| good	24.149 \| good	0.501 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.979 \| good	30.976 \| good	8.217 \| good	0.809 \| good	29.03 \| good	0.795 \| good
2025-10-21T06:00:00.000Z	44 \| good	8.029 \| good	35.154 \| good	6.274 \| good	0.808 \| good	27.114 \| good	0.894 \| good
2025-10-21T07:00:00.000Z	54 \| moderate	11.434 \| good	50.553 \| good	6.15 \| good	0.903 \| good	26.167 \| good	0.992 \| good
2025-10-21T08:00:00.000Z	52 \| moderate	10.183 \| good	44.957 \| good	6.074 \| good	0.904 \| good	23.715 \| good	0.992 \| good
2025-10-21T09:00:00.000Z	52 \| moderate	9.539 \| good	42.938 \| good	5.07 \| good	0.807 \| good	21.436 \| good	0.797 \| good
2025-10-21T10:00:00.000Z	49 \| good	9.309 \| good	41.848 \| good	5.07 \| good	0.71 \| good	19.775 \| good	0.699 \| good
2025-10-21T11:00:00.000Z	49 \| good	9.303 \| good	41.951 \| good	5.063 \| good	0.71 \| good	19.775 \| good	0.699 \| good
2025-10-21T12:00:00.000Z	38 \| good	7.003 \| good	31.056 \| good	5.069 \| good	0.71 \| good	18.782 \| good	0.699 \| good
2025-10-21T13:00:00.000Z	33 \| good	6.021 \| good	27.096 \| good	5.044 \| good	0.907 \| good	16.638 \| good	0.697 \| good
2025-10-21T14:00:00.000Z	33 \| good	5.981 \| good	26.878 \| good	5.088 \| good	0.707 \| good	16.397 \| good	0.696 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.474 \| good	32.809 \| good	5.103 \| good	0.706 \| good	17.192 \| good	0.895 \| good
2025-10-21T16:00:00.000Z	44 \| good	8.12 \| good	35.628 \| good	6.052 \| good	0.803 \| good	17.792 \| good	0.898 \| good
2025-10-21T17:00:00.000Z	44 \| good	7.583 \| good	34.053 \| good	11.939 \| good	0.809 \| good	19.606 \| good	0.8 \| good
2025-10-21T18:00:00.000Z	38 \| good	6.767 \| good	29.772 \| good	23.684 \| good	0.907 \| good	9.146 \| good	0.403 \| good
2025-10-21T19:00:00.000Z	33 \| good	6.403 \| good	28.978 \| good	28.678 \| good	0.719 \| good	6.087 \| good	0.399 \| good
2025-10-21T20:00:00.000Z	38 \| good	7.09 \| good	31.954 \| good	33.768 \| good	0.617 \| good	3.439 \| good	0.299 \| good
2025-10-21T21:00:00.000Z	38 \| good	6.585 \| good	29.85 \| good	36.83 \| good	0.613 \| good	2.929 \| good	0.299 \| good
2025-10-21T22:00:00.000Z	37 \| good	4.705 \| good	21.026 \| good	39.878 \| good	0.61 \| good	2.421 \| good	0.299 \| good
2025-10-21T23:00:00.000Z	39 \| good	6.361 \| good	28.794 \| good	41.953 \| good	0.51 \| good	2.417 \| good	0.299 \| good
2025-10-22T00:00:00.000Z	42 \| good	5.676 \| good	24.891 \| good	44.917 \| good	0.509 \| good	3.105 \| good	0.299 \| good
2025-10-22T01:00:00.000Z	44 \| good	8.218 \| good	36.62 \| good	43.882 \| good	0.706 \| good	5.465 \| good	0.398 \| good
2025-10-22T02:00:00.000Z	52 \| moderate	10.493 \| good	46.53 \| good	41.871 \| good	0.804 \| good	5.126 \| good	0.4 \| good
2025-10-22T03:00:00.000Z	64 \| moderate	16.404 \| fine	72.903 \| fine	35.019 \| good	1.394 \| good	23.731 \| good	0.311 \| good
2025-10-22T04:00:00.000Z	56 \| moderate	11.561 \| good	50.854 \| good	39.892 \| good	0.509 \| good	4.438 \| good	0.302 \| good
2025-10-22T05:00:00.000Z	52 \| moderate	10.276 \| good	45.897 \| good	36.987 \| good	0.509 \| good	2.531 \| good	0.301 \| good
2025-10-22T06:00:00.000Z	49 \| good	9.098 \| good	40.947 \| good	40.914 \| good	0.508 \| good	1.331 \| good	0.301 \| good
2025-10-22T07:00:00.000Z	49 \| good	8.53 \| good	37.148 \| good	39.003 \| good	0.41 \| good	1.715 \| good	0.301 \| good
2025-10-22T08:00:00.000Z	44 \| good	7.723 \| good	34.112 \| good	40.903 \| good	0.409 \| good	1.316 \| good	0.301 \| good
2025-10-22T09:00:00.000Z	44 \| good	8.299 \| good	36.971 \| good	40.844 \| good	0.313 \| good	1.312 \| good	0.3 \| good
2025-10-22T10:00:00.000Z	44 \| good	8.081 \| good	35.911 \| good	40.862 \| good	0.313 \| good	1.211 \| good	0.301 \| good
2025-10-22T11:00:00.000Z	44 \| good	8.083 \| good	35.911 \| good	40.868 \| good	0.313 \| good	1.212 \| good	0.301 \| good
2025-10-22T12:00:00.000Z	44 \| good	7.763 \| good	33.818 \| good	39.876 \| good	0.315 \| good	1.226 \| good	0.3 \| good
2025-10-22T13:00:00.000Z	38 \| good	7.455 \| good	32.781 \| good	33.964 \| good	0.311 \| good	1.22 \| good	0.298 \| good
2025-10-22T14:00:00.000Z	44 \| good	7.614 \| good	33.58 \| good	33.025 \| good	0.32 \| good	1.695 \| good	0.3 \| good
2025-10-22T15:00:00.000Z	38 \| good	7.028 \| good	31.644 \| good	32.05 \| good	0.318 \| good	1.794 \| good	0.3 \| good
2025-10-22T16:00:00.000Z	38 \| good	6.636 \| good	29.714 \| good	33.032 \| good	0.32 \| good	2.002 \| good	0.299 \| good
2025-10-22T17:00:00.000Z	38 \| good	6.755 \| good	29.801 \| good	32.06 \| good	0.425 \| good	2.909 \| good	0.3 \| good
2025-10-22T18:00:00.000Z	38 \| good	6.743 \| good	29.736 \| good	33.023 \| good	0.425 \| good	2.427 \| good	0.3 \| good
2025-10-22T19:00:00.000Z	49 \| good	9.211 \| good	41.588 \| good	35.968 \| good	0.313 \| good	1.543 \| good	0.3 \| good
2025-10-22T20:00:00.000Z	38 \| good	7.46 \| good	32.84 \| good	37.018 \| good	0.309 \| good	1.434 \| good	0.3 \| good
2025-10-22T21:00:00.000Z	34 \| good	5.617 \| good	24.09 \| good	36.984 \| good	0.309 \| good	1.517 \| good	0.3 \| good
2025-10-22T22:00:00.000Z	34 \| good	5.831 \| good	25.133 \| good	36.995 \| good	0.506 \| good	2.899 \| good	0.3 \| good
2025-10-22T23:00:00.000Z	38 \| good	7.404 \| good	33.005 \| good	36.026 \| good	0.41 \| good	3.766 \| good	0.3 \| good
2025-10-23T00:00:00.000Z	49 \| good	8.717 \| good	38.101 \| good	37.967 \| good	0.341 \| good	1.808 \| good	0.3 \| good
2025-10-23T01:00:00.000Z	44 \| good	8.317 \| good	37.055 \| good	36.944 \| good	0.331 \| good	2.415 \| good	0.3 \| good
2025-10-23T02:00:00.000Z	49 \| good	9.084 \| good	40.911 \| good	36.958 \| good	0.311 \| good	1.714 \| good	0.3 \| good
2025-10-23T03:00:00.000Z	49 \| good	9.084 \| good	40.911 \| good	36.958 \| good	0.311 \| good	1.714 \| good	0.3 \| good
2025-10-22T20:00:00.000Z	36 \| good	5.147 \| good	22.355 \| good	38.6 \| good	0.511 \| good	1.609 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	44 \| good	7.508 \| good	33.17 \| good	38.572 \| good	0.536 \| good	1.392 \| good	0.127 \| good
2025-10-22T22:00:00.000Z	35 \| good	6.209 \| good	27.452 \| good	38.364 \| good	0.562 \| good	1.573 \| good	0.128 \| good
2025-10-22T23:00:00.000Z	44 \| good	7.956 \| good	35.17 \| good	37.74 \| good	0.587 \| good	1.755 \| good	0.129 \| good
2025-10-23T00:00:00.000Z	35 \| good	5.436 \| good	23.347 \| good	38.175 \| good	0.613 \| good	1.937 \| good	0.13 \| good
2025-10-23T01:00:00.000Z	32 \| good	4.52 \| good	19.836 \| good	34.99 \| good	0.674 \| good	4.055 \| good	0.144 \| good
2025-10-23T02:00:00.000Z	28 \| good	5.341 \| good	22.705 \| good	30.206 \| good	0.735 \| good	6.174 \| good	0.158 \| good
2025-10-23T03:00:00.000Z	27 \| good	5.457 \| good	23.457 \| good	19.484 \| good	0.797 \| good	8.293 \| good	0.172 \| good
2025-10-23T04:00:00.000Z	27 \| good	4.78 \| good	20.847 \| good	18.282 \| good	0.765 \| good	8.84 \| good	0.175 \| good
2025-10-23T05:00:00.000Z	33 \| good	6.473 \| good	28.424 \| good	18.405 \| good	0.733 \| good	9.387 \| good	0.178 \| good
2025-10-23T06:00:00.000Z	22 \| good	4.14 \| good	18.317 \| good	18.111 \| good	0.702 \| good	9.934 \| good	0.182 \| good
2025-10-23T07:00:00.000Z	18 \| good	2.914 \| good	11.909 \| good	18.674 \| good	0.635 \| good	8.675 \| good	0.176 \| good
2025-10-23T08:00:00.000Z	19 \| good	3.349 \| good	14.973 \| good	19.899 \| good	0.568 \| good	7.416 \| good	0.171 \| good
2025-10-23T09:00:00.000Z	19 \| good	3.099 \| good	13.186 \| good	20.285 \| good	0.501 \| good	6.157 \| good	0.165 \| good
2025-10-23T10:00:00.000Z	19 \| good	3.282 \| good	14.306 \| good	19.71 \| good	0.476 \| good	5.518 \| good	0.161 \| good
2025-10-23T11:00:00.000Z	15 \| good	2.386 \| good	10.009 \| good	15.827 \| good	0.452 \| good	4.879 \| good	0.157 \| good
2025-10-23T12:00:00.000Z	16 \| good	3.17 \| good	13.69 \| good	12.034 \| good	0.427 \| good	4.24 \| good	0.154 \| good
2025-10-23T13:00:00.000Z	22 \| good	3.793 \| good	16.618 \| good	12.186 \| good	0.453 \| good	5.483 \| good	0.164 \| good
2025-10-23T14:00:00.000Z	17 \| good	3.291 \| good	14.248 \| good	18.063 \| good	0.479 \| good	6.726 \| good	0.174 \| good
2025-10-23T15:00:00.000Z	22 \| good	4.072 \| good	17.773 \| good	22.207 \| good	0.505 \| good	7.969 \| good	0.185 \| good
2025-10-23T16:00:00.000Z	27 \| good	4.734 \| good	20.82 \| good	22.737 \| good	0.594 \| good	6.378 \| good	0.176 \| good
2025-10-23T17:00:00.000Z	27 \| good	5.18 \| good	22.316 \| good	24.005 \| good	0.684 \| good	4.788 \| good	0.167 \| good
2025-10-23T18:00:00.000Z	38 \| good	7.428 \| good	32.834 \| good	27.444 \| good	0.773 \| good	3.197 \| good	0.158 \| good
2025-10-23T19:00:00.000Z	38 \| good	7.335 \| good	32.107 \| good	33.107 \| good	0.824 \| good	2.908 \| good	0.155 \| good
2025-10-23T20:00:00.000Z	44 \| good	7.583 \| good	33.533 \| good	38.959 \| good	0.875 \| good	2.618 \| good	0.153 \| good
2025-10-23T21:00:00.000Z	49 \| good	8.859 \| good	39.712 \| good	40.718 \| good	0.925 \| good	2.329 \| good	0.15 \| good
2025-10-23T22:00:00.000Z	39 \| good	7.37 \| good	32.67 \| good	42.105 \| good	0.914 \| good	2.542 \| good	0.15 \| good
2025-10-23T23:00:00.000Z	44 \| good	7.952 \| good	34.7 \| good	43.181 \| good	0.902 \| good	2.754 \| good	0.149 \| good
2025-10-24T00:00:00.000Z	44 \| good	7.504 \| good	32.783 \| good	43.291 \| good	0.89 \| good	2.967 \| good	0.149 \| good
2025-10-24T01:00:00.000Z	44 \| good	8.336 \| good	36.552 \| good	32.63 \| good	0.88 \| good	6.269 \| good	0.17 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	9.729 \| good	43.245 \| good	18.102 \| good	0.871 \| good	9.571 \| good	0.191 \| good
2025-10-24T03:00:00.000Z	49 \| good	8.997 \| good	40.213 \| good	10.871 \| good	0.861 \| good	12.873 \| good	0.212 \| good
2025-10-24T04:00:00.000Z	44 \| good	8.462 \| good	37.31 \| good	10.359 \| good	0.885 \| good	13.794 \| good	0.219 \| good
2025-10-24T05:00:00.000Z	52 \| moderate	10.232 \| good	45.277 \| good	15.369 \| good	0.908 \| good	14.715 \| good	0.225 \| good
2025-10-24T06:00:00.000Z	44 \| good	8.481 \| good	37.043 \| good	15.676 \| good	0.932 \| good	15.636 \| good	0.231 \| good
2025-10-24T07:00:00.000Z	44 \| good	7.999 \| good	34.78 \| good	13.616 \| good	0.865 \| good	14.747 \| good	0.221 \| good
2025-10-24T08:00:00.000Z	44 \| good	7.83 \| good	34.539 \| good	12.801 \| good	0.798 \| good	13.857 \| good	0.211 \| good
2025-10-24T09:00:00.000Z	38 \| good	6.885 \| good	30.404 \| good	12.66 \| good	0.732 \| good	12.967 \| good	0.2 \| good
2025-10-24T10:00:00.000Z	27 \| good	5.34 \| good	22.816 \| good	13.642 \| good	0.705 \| good	11.958 \| good	0.191 \| good
2025-10-24T11:00:00.000Z	22 \| good	4.45 \| good	19.239 \| good	14.98 \| good	0.678 \| good	10.948 \| good	0.182 \| good
2025-10-24T12:00:00.000Z	27 \| good	4.894 \| good	21.048 \| good	9.997 \| good	0.651 \| good	9.938 \| good	0.173 \| good
2025-10-24T13:00:00.000Z	27 \| good	4.758 \| good	20.719 \| good	6.795 \| good	0.654 \| good	10.01 \| good	0.177 \| good
2025-10-24T14:00:00.000Z	27 \| good	4.732 \| good	20.376 \| good	9.07 \| good	0.657 \| good	10.081 \| good	0.181 \| good
2025-10-24T15:00:00.000Z	33 \| good	6.291 \| good	27.568 \| good	12.705 \| good	0.661 \| good	10.152 \| good	0.184 \| good
2025-10-24T16:00:00.000Z	33 \| good	5.935 \| good	25.95 \| good	18.452 \| good	0.679 \| good	7.86 \| good	0.167 \| good
2025-10-24T17:00:00.000Z	33 \| good	5.894 \| good	25.823 \| good	21.968 \| good	0.696 \| good	5.569 \| good	0.15 \| good
2025-10-24T18:00:00.000Z	33 \| good	6.428 \| good	28.376 \| good	27.526 \| good	0.714 \| good	3.277 \| good	0.133 \| good
2025-10-24T19:00:00.000Z	44 \| good	7.766 \| good	33.797 \| good	27.95 \| good	0.676 \| good	2.757 \| good	0.126 \| good

Vallejo

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Vallejo, California air quality map: Track AQI near you

0.28ppm

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 03:00:00 on 2025-10-22.

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 07:00:00 on 2025-10-21.

What is the current air quality in Vallejo, California?

The current air quality in Vallejo, California is 38, categorized as Good 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 6.743 μg/m³.

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

The current PM₁₀ concentration at Vallejo, California is 29.736 μg/m³.

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

The current carbon monoxide (CO) concentration at Vallejo, California is 0.3 ppm.

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

The current sulfur dioxide (SO₂) concentration at Vallejo, California is 0.425 ppb.

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

The current ozone (O₃) concentration at Vallejo, California is 33.023 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Vallejo, California is 2.427 ppb.

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