What is the current concentration of PM10 in Alum Rock, California?

The current PM10 concentration at Alum Rock, California is 70.429 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Alum Rock, California is 0.868 ppb.

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

The current ozone (O3) concentration at Alum Rock, California is 17.046 ppm.

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

The current nitrogen dioxide (NO2) concentration at Alum Rock, California is 13.045 ppb.

Alum Rock, California live air quality index now

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

The current PM2.5 concentration at Alum Rock, California is 15.668 μg/m3.

Stay updated with real-time air quality in Alum Rock, 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

Alum Rock, California

Last updated: ... (Local time)

Major air pollutants in Alum Rock, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

15.67 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

70.43 μg/m³

155

255

425

605+

Ozone (O₃)

17.05 ppb

201

201+

Sulfur Dioxide (SO₂)

0.87 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

13.04 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.47 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Alum Rock, California

Get Live Pollen Counts

Alum Rock, California

Scroll To Air Quality Map

Track live Alum Rock, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T02:00:00.000Z	66 \| moderate	16.574 \| fine	73.335 \| fine	7.549 \| good	0.75 \| good	25.233 \| good	0.821 \| good
2026-01-22T03:00:00.000Z	66 \| moderate	16.948 \| fine	74.518 \| fine	4.161 \| good	0.723 \| good	28.173 \| good	0.921 \| good
2026-01-22T04:00:00.000Z	66 \| moderate	17.043 \| fine	75.979 \| fine	3.143 \| good	0.761 \| good	25.849 \| good	0.846 \| good
2026-01-22T05:00:00.000Z	69 \| moderate	18.84 \| fine	83.666 \| fine	1.176 \| good	0.762 \| good	25.387 \| good	0.895 \| good
2026-01-22T06:00:00.000Z	69 \| moderate	19.074 \| fine	83.798 \| fine	1.125 \| good	0.828 \| good	26.204 \| good	0.92 \| good
2026-01-22T07:00:00.000Z	67 \| moderate	17.7 \| fine	78.952 \| fine	1.147 \| good	0.864 \| good	24.332 \| good	1.018 \| good
2026-01-22T08:00:00.000Z	71 \| moderate	19.89 \| fine	87.992 \| fine	1.156 \| good	0.956 \| good	24.151 \| good	1.069 \| good
2026-01-22T09:00:00.000Z	66 \| moderate	17.384 \| fine	77.316 \| fine	1.172 \| good	0.867 \| good	23.149 \| good	1.016 \| good
2026-01-22T10:00:00.000Z	69 \| moderate	18.812 \| fine	82.611 \| fine	3.518 \| good	0.863 \| good	22.618 \| good	1.112 \| good
2026-01-22T11:00:00.000Z	67 \| moderate	18.295 \| fine	80.567 \| fine	1.164 \| good	0.833 \| good	20.437 \| good	0.964 \| good
2026-01-22T12:00:00.000Z	60 \| moderate	14.185 \| fine	63.189 \| fine	1.478 \| good	0.82 \| good	19.423 \| good	0.89 \| good
2026-01-22T13:00:00.000Z	58 \| moderate	12.964 \| fine	58.101 \| fine	1.484 \| good	0.808 \| good	18.356 \| good	0.889 \| good
2026-01-22T14:00:00.000Z	60 \| moderate	14.304 \| fine	63.94 \| fine	2.01 \| good	0.782 \| good	15.565 \| good	0.82 \| good
2026-01-22T15:00:00.000Z	60 \| moderate	13.868 \| fine	62.704 \| fine	1.375 \| good	0.804 \| good	16.965 \| good	0.989 \| good
2026-01-22T16:00:00.000Z	62 \| moderate	15.068 \| fine	68.19 \| fine	1.368 \| good	0.772 \| good	16.463 \| good	1.258 \| good
2026-01-22T17:00:00.000Z	60 \| moderate	13.965 \| fine	62.727 \| fine	3.376 \| good	0.816 \| good	15.226 \| good	1.234 \| good
2026-01-22T18:00:00.000Z	62 \| moderate	14.875 \| fine	66.456 \| fine	5.193 \| good	0.945 \| good	20.803 \| good	1.351 \| good
2026-01-22T19:00:00.000Z	69 \| moderate	18.685 \| fine	83.136 \| fine	7.248 \| good	0.917 \| good	19.943 \| good	1.21 \| good
2026-01-22T20:00:00.000Z	73 \| moderate	20.917 \| fine	92.193 \| fine	7.385 \| good	1.073 \| good	21.977 \| good	0.982 \| good
2026-01-22T21:00:00.000Z	73 \| moderate	20.733 \| fine	90.899 \| fine	7.385 \| good	0.987 \| good	13.773 \| good	0.493 \| good
2026-01-22T22:00:00.000Z	66 \| moderate	17.399 \| fine	76.303 \| fine	7.443 \| good	0.803 \| good	13.74 \| good	0.379 \| good
2026-01-22T23:00:00.000Z	62 \| moderate	14.653 \| fine	64.818 \| fine	16.946 \| good	0.993 \| good	14.021 \| good	0.402 \| good
2026-01-23T00:00:00.000Z	58 \| moderate	12.669 \| fine	55.799 \| fine	17.108 \| good	0.918 \| good	13.882 \| good	0.4 \| good
2026-01-23T01:00:00.000Z	58 \| moderate	12.674 \| fine	56.934 \| fine	17.193 \| good	0.838 \| good	9.807 \| good	0.368 \| good
2026-01-23T02:00:00.000Z	56 \| moderate	12.086 \| good	54.382 \| good	17.144 \| good	1.484 \| good	11.235 \| good	0.425 \| good
2026-01-23T03:00:00.000Z	52 \| moderate	10.111 \| good	44.859 \| good	13.603 \| good	0.9 \| good	23.07 \| good	0.502 \| good
2026-01-23T04:00:00.000Z	54 \| moderate	11.213 \| good	49.847 \| good	11.989 \| good	0.705 \| good	27.739 \| good	0.594 \| good
2026-01-23T05:00:00.000Z	60 \| moderate	13.624 \| fine	60.762 \| fine	8.193 \| good	0.601 \| good	30.327 \| good	0.77 \| good
2026-01-23T06:00:00.000Z	58 \| moderate	12.836 \| fine	57.158 \| fine	12.023 \| good	0.514 \| good	21.553 \| good	0.748 \| good
2026-01-23T07:00:00.000Z	58 \| moderate	12.896 \| fine	58.22 \| fine	8.939 \| good	0.458 \| good	21.286 \| good	0.699 \| good
2026-01-23T08:00:00.000Z	58 \| moderate	12.684 \| fine	55.908 \| fine	4.098 \| good	0.455 \| good	23.086 \| good	0.795 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	11.239 \| good	49.974 \| good	3.13 \| good	0.492 \| good	22.026 \| good	0.913 \| good
2026-01-23T10:00:00.000Z	60 \| moderate	13.545 \| fine	60.346 \| fine	4.108 \| good	0.524 \| good	20.047 \| good	0.789 \| good
2026-01-23T11:00:00.000Z	60 \| moderate	13.783 \| fine	62.523 \| fine	2.154 \| good	0.52 \| good	20.154 \| good	0.812 \| good
2026-01-23T12:00:00.000Z	58 \| moderate	12.719 \| fine	57.624 \| fine	2.176 \| good	0.385 \| good	19.172 \| good	0.737 \| good
2026-01-23T13:00:00.000Z	58 \| moderate	12.801 \| fine	57.634 \| fine	2.293 \| good	0.905 \| good	19.136 \| good	0.687 \| good
2026-01-23T14:00:00.000Z	60 \| moderate	14.454 \| fine	64.473 \| fine	1.308 \| good	0.836 \| good	16.392 \| good	0.494 \| good
2026-01-23T15:00:00.000Z	56 \| moderate	11.509 \| good	51.865 \| good	3.266 \| good	0.845 \| good	9.835 \| good	0.326 \| good
2026-01-23T16:00:00.000Z	56 \| moderate	11.977 \| good	53.973 \| good	4.304 \| good	0.736 \| good	10.265 \| good	0.4 \| good
2026-01-23T17:00:00.000Z	56 \| moderate	12.205 \| fine	55.439 \| fine	6.366 \| good	0.593 \| good	10.632 \| good	0.424 \| good
2026-01-23T18:00:00.000Z	62 \| moderate	15.222 \| fine	67.635 \| fine	8.067 \| good	0.635 \| good	10.127 \| good	0.42 \| good
2026-01-23T19:00:00.000Z	56 \| moderate	12.135 \| fine	54.974 \| good	11.972 \| good	0.774 \| good	9.407 \| good	0.399 \| good
2026-01-23T20:00:00.000Z	56 \| moderate	11.756 \| good	53.03 \| good	15.978 \| good	0.939 \| good	10.022 \| good	0.448 \| good
2026-01-23T21:00:00.000Z	56 \| moderate	11.626 \| good	52.919 \| good	18.016 \| good	0.772 \| good	9.881 \| good	0.379 \| good
2026-01-23T22:00:00.000Z	56 \| moderate	12.248 \| fine	54.739 \| good	18.005 \| good	0.693 \| good	11.548 \| good	0.453 \| good
2026-01-23T23:00:00.000Z	60 \| moderate	13.587 \| fine	60.429 \| fine	18.939 \| good	0.877 \| good	10.886 \| good	0.401 \| good
2026-01-24T00:00:00.000Z	64 \| moderate	15.668 \| fine	70.429 \| fine	17.046 \| good	0.868 \| good	13.045 \| good	0.473 \| good
2026-01-24T01:00:00.000Z	64 \| moderate	15.668 \| fine	70.429 \| fine	17.046 \| good	0.868 \| good	13.045 \| good	0.473 \| good
2026-01-24T02:00:00.000Z	81 \| moderate	24.511 \| fine	107.114 \| fine	17.187 \| good	2.709 \| good	19.885 \| good	0.294 \| good
2026-01-24T03:00:00.000Z	82 \| moderate	25.903 \| fine	113.144 \| fine	12.422 \| good	2.733 \| good	24.986 \| good	0.331 \| good
2026-01-24T04:00:00.000Z	86 \| moderate	27.84 \| fine	121.129 \| fine	11.444 \| good	2.958 \| good	26.337 \| good	0.348 \| good
2026-01-24T05:00:00.000Z	82 \| moderate	25.828 \| fine	113.1 \| fine	11.817 \| good	3.183 \| good	27.689 \| good	0.365 \| good
2026-01-24T06:00:00.000Z	79 \| moderate	23.885 \| fine	105.071 \| fine	10.342 \| good	3.408 \| good	29.04 \| good	0.382 \| good
2026-01-24T07:00:00.000Z	73 \| moderate	20.973 \| fine	93.014 \| fine	11.878 \| good	3.322 \| good	28.215 \| good	0.379 \| good
2026-01-24T08:00:00.000Z	66 \| moderate	17.179 \| fine	76.972 \| fine	13.232 \| good	3.236 \| good	27.389 \| good	0.376 \| good
2026-01-24T09:00:00.000Z	62 \| moderate	15.339 \| fine	68.939 \| fine	13.16 \| good	3.149 \| good	26.563 \| good	0.374 \| good
2026-01-24T10:00:00.000Z	56 \| moderate	12.459 \| fine	56.901 \| fine	12.176 \| good	3.049 \| good	24.876 \| good	0.357 \| good
2026-01-24T11:00:00.000Z	56 \| moderate	11.798 \| good	51.996 \| good	14.544 \| good	2.949 \| good	23.189 \| good	0.341 \| good
2026-01-24T12:00:00.000Z	54 \| moderate	11.406 \| good	50.947 \| good	17.231 \| good	2.849 \| good	21.502 \| good	0.325 \| good
2026-01-24T13:00:00.000Z	49 \| good	8.923 \| good	38.981 \| good	9.29 \| good	2.748 \| good	20.771 \| good	0.311 \| good
2026-01-24T14:00:00.000Z	22 \| good	4.341 \| good	19.031 \| good	11.103 \| good	2.647 \| good	20.04 \| good	0.297 \| good
2026-01-24T15:00:00.000Z	33 \| good	6.063 \| good	26.938 \| good	11.227 \| good	2.545 \| good	19.31 \| good	0.283 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.881 \| good	26.863 \| good	11.003 \| good	2.201 \| good	15.917 \| good	0.263 \| good
2026-01-24T17:00:00.000Z	33 \| good	5.857 \| good	24.971 \| good	18.836 \| good	1.856 \| good	12.524 \| good	0.243 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.367 \| good	27.935 \| good	23.127 \| good	1.511 \| good	9.131 \| good	0.223 \| good
2026-01-24T19:00:00.000Z	24 \| good	1.717 \| good	7.031 \| good	26.402 \| good	1.316 \| good	7.514 \| good	0.201 \| good
2026-01-24T20:00:00.000Z	30 \| good	1.796 \| good	7.036 \| good	31.654 \| good	1.121 \| good	5.896 \| good	0.178 \| good
2026-01-24T21:00:00.000Z	28 \| good	0.548 \| good	2.034 \| good	30.081 \| good	0.927 \| good	4.279 \| good	0.155 \| good
2026-01-24T22:00:00.000Z	32 \| good	1.276 \| good	5.024 \| good	34.867 \| good	0.889 \| good	4.439 \| good	0.152 \| good
2026-01-24T23:00:00.000Z	30 \| good	0.695 \| good	2.045 \| good	32.118 \| good	0.852 \| good	4.599 \| good	0.149 \| good
2026-01-25T00:00:00.000Z	28 \| good	0.78 \| good	3.041 \| good	30.162 \| good	0.814 \| good	4.759 \| good	0.145 \| good
2026-01-25T01:00:00.000Z	22 \| good	0.937 \| good	4.015 \| good	24.256 \| good	0.896 \| good	10.449 \| good	0.179 \| good
2026-01-25T02:00:00.000Z	18 \| good	2.353 \| good	10.001 \| good	18.797 \| good	0.979 \| good	16.139 \| good	0.214 \| good
2026-01-25T03:00:00.000Z	22 \| good	3.633 \| good	16.001 \| good	16.683 \| good	1.061 \| good	21.829 \| good	0.248 \| good
2026-01-25T04:00:00.000Z	22 \| good	3.384 \| good	14.995 \| good	15.055 \| good	1.107 \| good	22.523 \| good	0.264 \| good
2026-01-25T05:00:00.000Z	22 \| good	3.083 \| good	12.059 \| good	15.597 \| good	1.154 \| good	23.217 \| good	0.279 \| good
2026-01-25T06:00:00.000Z	23 \| good	2.464 \| good	10.038 \| good	18.869 \| good	1.201 \| good	23.911 \| good	0.295 \| good
2026-01-25T07:00:00.000Z	22 \| good	1.537 \| good	6.038 \| good	21.129 \| good	1.088 \| good	22.777 \| good	0.293 \| good
2026-01-25T08:00:00.000Z	21 \| good	1.995 \| good	8.018 \| good	20.199 \| good	0.975 \| good	21.642 \| good	0.29 \| good
2026-01-25T09:00:00.000Z	20 \| good	1.955 \| good	8.013 \| good	16.331 \| good	0.862 \| good	20.508 \| good	0.287 \| good
2026-01-25T10:00:00.000Z	18 \| good	1.306 \| good	5.012 \| good	16.792 \| good	0.79 \| good	19.117 \| good	0.272 \| good
2026-01-25T11:00:00.000Z	17 \| good	2.16 \| good	9.025 \| good	14.813 \| good	0.717 \| good	17.726 \| good	0.258 \| good
2026-01-25T12:00:00.000Z	22 \| good	3.71 \| good	15.979 \| good	13.618 \| good	0.644 \| good	16.334 \| good	0.244 \| good
2026-01-25T13:00:00.000Z	16 \| good	3.101 \| good	13.945 \| good	15.325 \| good	0.686 \| good	16.47 \| good	0.236 \| good
2026-01-25T14:00:00.000Z	16 \| good	0.757 \| good	3 \| good	15.348 \| good	0.728 \| good	16.605 \| good	0.228 \| good
2026-01-25T15:00:00.000Z	16 \| good	2.104 \| good	8.995 \| good	13.033 \| good	0.77 \| good	16.74 \| good	0.22 \| good
2026-01-25T16:00:00.000Z	27 \| good	4.725 \| good	20.948 \| good	12.422 \| good	0.815 \| good	14.84 \| good	0.224 \| good
2026-01-25T17:00:00.000Z	44 \| good	8.178 \| good	35.961 \| good	12.433 \| good	0.859 \| good	12.94 \| good	0.228 \| good
2026-01-25T18:00:00.000Z	49 \| good	8.529 \| good	36.995 \| good	21.748 \| good	0.904 \| good	11.04 \| good	0.232 \| good
2026-01-25T19:00:00.000Z	38 \| good	6.728 \| good	29.973 \| good	30.541 \| good	0.971 \| good	9.142 \| good	0.217 \| good
2026-01-25T20:00:00.000Z	38 \| good	6.504 \| good	28.986 \| good	32.748 \| good	1.038 \| good	7.244 \| good	0.203 \| good
2026-01-25T21:00:00.000Z	32 \| good	2.601 \| good	10.132 \| good	35.13 \| good	1.105 \| good	5.346 \| good	0.188 \| good
2026-01-25T22:00:00.000Z	31 \| good	4.562 \| good	20.05 \| good	34.083 \| good	1.111 \| good	6.418 \| good	0.194 \| good
2026-01-25T23:00:00.000Z	29 \| good	5.297 \| good	23.028 \| good	31.046 \| good	1.117 \| good	7.489 \| good	0.201 \| good
2026-01-26T00:00:00.000Z	58 \| moderate	12.583 \| fine	14.956 \| good	25.221 \| good	1.129 \| good	8.615 \| good	0.207 \| good
2026-01-26T01:00:00.000Z	33 \| good	6.182 \| good	27.057 \| good	27.09 \| good	1.191 \| good	12.756 \| good	0.255 \| good

Alum Rock

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Alum Rock, California air quality map: Track AQI near you

0.43ppm

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 Alum Rock, California updated?

The air quality for Alum Rock, California is updated every hour.

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

The worst air quality in Alum Rock, California in the last 24 hours was observed at 12:00:00 on 2026-01-24.

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

In the last 24 hrs, the best air quality in Alum Rock, California was observed at 03:00:00 on 2026-01-23.

What is the current air quality in Alum Rock, California?

The current air quality in Alum Rock, California is 64, categorized as Moderate based on real-time data.

What pollutant is the most common in Alum Rock, California?

The most common pollutant in Alum Rock, California is PM2.5.

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

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

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

The current PM_2.5 concentration at Alum Rock, California is 15.668 μg/m³.

What is the current concentration of PM₁₀ in Alum Rock, California?

The current PM₁₀ concentration at Alum Rock, California is 70.429 μg/m³.

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

The current carbon monoxide (CO) concentration at Alum Rock, California is 0.473 ppm.

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

The current sulfur dioxide (SO₂) concentration at Alum Rock, California is 0.868 ppb.

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

The current ozone (O₃) concentration at Alum Rock, California is 17.046 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Alum Rock, California is 13.045 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-22T02:00:00.000Z	66 \| moderate	16.574 \| fine	73.335 \| fine	7.549 \| good	0.75 \| good	25.233 \| good	0.821 \| good
2026-01-22T03:00:00.000Z	66 \| moderate	16.948 \| fine	74.518 \| fine	4.161 \| good	0.723 \| good	28.173 \| good	0.921 \| good
2026-01-22T04:00:00.000Z	66 \| moderate	17.043 \| fine	75.979 \| fine	3.143 \| good	0.761 \| good	25.849 \| good	0.846 \| good
2026-01-22T05:00:00.000Z	69 \| moderate	18.84 \| fine	83.666 \| fine	1.176 \| good	0.762 \| good	25.387 \| good	0.895 \| good
2026-01-22T06:00:00.000Z	69 \| moderate	19.074 \| fine	83.798 \| fine	1.125 \| good	0.828 \| good	26.204 \| good	0.92 \| good
2026-01-22T07:00:00.000Z	67 \| moderate	17.7 \| fine	78.952 \| fine	1.147 \| good	0.864 \| good	24.332 \| good	1.018 \| good
2026-01-22T08:00:00.000Z	71 \| moderate	19.89 \| fine	87.992 \| fine	1.156 \| good	0.956 \| good	24.151 \| good	1.069 \| good
2026-01-22T09:00:00.000Z	66 \| moderate	17.384 \| fine	77.316 \| fine	1.172 \| good	0.867 \| good	23.149 \| good	1.016 \| good
2026-01-22T10:00:00.000Z	69 \| moderate	18.812 \| fine	82.611 \| fine	3.518 \| good	0.863 \| good	22.618 \| good	1.112 \| good
2026-01-22T11:00:00.000Z	67 \| moderate	18.295 \| fine	80.567 \| fine	1.164 \| good	0.833 \| good	20.437 \| good	0.964 \| good
2026-01-22T12:00:00.000Z	60 \| moderate	14.185 \| fine	63.189 \| fine	1.478 \| good	0.82 \| good	19.423 \| good	0.89 \| good
2026-01-22T13:00:00.000Z	58 \| moderate	12.964 \| fine	58.101 \| fine	1.484 \| good	0.808 \| good	18.356 \| good	0.889 \| good
2026-01-22T14:00:00.000Z	60 \| moderate	14.304 \| fine	63.94 \| fine	2.01 \| good	0.782 \| good	15.565 \| good	0.82 \| good
2026-01-22T15:00:00.000Z	60 \| moderate	13.868 \| fine	62.704 \| fine	1.375 \| good	0.804 \| good	16.965 \| good	0.989 \| good
2026-01-22T16:00:00.000Z	62 \| moderate	15.068 \| fine	68.19 \| fine	1.368 \| good	0.772 \| good	16.463 \| good	1.258 \| good
2026-01-22T17:00:00.000Z	60 \| moderate	13.965 \| fine	62.727 \| fine	3.376 \| good	0.816 \| good	15.226 \| good	1.234 \| good
2026-01-22T18:00:00.000Z	62 \| moderate	14.875 \| fine	66.456 \| fine	5.193 \| good	0.945 \| good	20.803 \| good	1.351 \| good
2026-01-22T19:00:00.000Z	69 \| moderate	18.685 \| fine	83.136 \| fine	7.248 \| good	0.917 \| good	19.943 \| good	1.21 \| good
2026-01-22T20:00:00.000Z	73 \| moderate	20.917 \| fine	92.193 \| fine	7.385 \| good	1.073 \| good	21.977 \| good	0.982 \| good
2026-01-22T21:00:00.000Z	73 \| moderate	20.733 \| fine	90.899 \| fine	7.385 \| good	0.987 \| good	13.773 \| good	0.493 \| good
2026-01-22T22:00:00.000Z	66 \| moderate	17.399 \| fine	76.303 \| fine	7.443 \| good	0.803 \| good	13.74 \| good	0.379 \| good
2026-01-22T23:00:00.000Z	62 \| moderate	14.653 \| fine	64.818 \| fine	16.946 \| good	0.993 \| good	14.021 \| good	0.402 \| good
2026-01-23T00:00:00.000Z	58 \| moderate	12.669 \| fine	55.799 \| fine	17.108 \| good	0.918 \| good	13.882 \| good	0.4 \| good
2026-01-23T01:00:00.000Z	58 \| moderate	12.674 \| fine	56.934 \| fine	17.193 \| good	0.838 \| good	9.807 \| good	0.368 \| good
2026-01-23T02:00:00.000Z	56 \| moderate	12.086 \| good	54.382 \| good	17.144 \| good	1.484 \| good	11.235 \| good	0.425 \| good
2026-01-23T03:00:00.000Z	52 \| moderate	10.111 \| good	44.859 \| good	13.603 \| good	0.9 \| good	23.07 \| good	0.502 \| good
2026-01-23T04:00:00.000Z	54 \| moderate	11.213 \| good	49.847 \| good	11.989 \| good	0.705 \| good	27.739 \| good	0.594 \| good
2026-01-23T05:00:00.000Z	60 \| moderate	13.624 \| fine	60.762 \| fine	8.193 \| good	0.601 \| good	30.327 \| good	0.77 \| good
2026-01-23T06:00:00.000Z	58 \| moderate	12.836 \| fine	57.158 \| fine	12.023 \| good	0.514 \| good	21.553 \| good	0.748 \| good
2026-01-23T07:00:00.000Z	58 \| moderate	12.896 \| fine	58.22 \| fine	8.939 \| good	0.458 \| good	21.286 \| good	0.699 \| good
2026-01-23T08:00:00.000Z	58 \| moderate	12.684 \| fine	55.908 \| fine	4.098 \| good	0.455 \| good	23.086 \| good	0.795 \| good
2026-01-23T09:00:00.000Z	54 \| moderate	11.239 \| good	49.974 \| good	3.13 \| good	0.492 \| good	22.026 \| good	0.913 \| good
2026-01-23T10:00:00.000Z	60 \| moderate	13.545 \| fine	60.346 \| fine	4.108 \| good	0.524 \| good	20.047 \| good	0.789 \| good
2026-01-23T11:00:00.000Z	60 \| moderate	13.783 \| fine	62.523 \| fine	2.154 \| good	0.52 \| good	20.154 \| good	0.812 \| good
2026-01-23T12:00:00.000Z	58 \| moderate	12.719 \| fine	57.624 \| fine	2.176 \| good	0.385 \| good	19.172 \| good	0.737 \| good
2026-01-23T13:00:00.000Z	58 \| moderate	12.801 \| fine	57.634 \| fine	2.293 \| good	0.905 \| good	19.136 \| good	0.687 \| good
2026-01-23T14:00:00.000Z	60 \| moderate	14.454 \| fine	64.473 \| fine	1.308 \| good	0.836 \| good	16.392 \| good	0.494 \| good
2026-01-23T15:00:00.000Z	56 \| moderate	11.509 \| good	51.865 \| good	3.266 \| good	0.845 \| good	9.835 \| good	0.326 \| good
2026-01-23T16:00:00.000Z	56 \| moderate	11.977 \| good	53.973 \| good	4.304 \| good	0.736 \| good	10.265 \| good	0.4 \| good
2026-01-23T17:00:00.000Z	56 \| moderate	12.205 \| fine	55.439 \| fine	6.366 \| good	0.593 \| good	10.632 \| good	0.424 \| good
2026-01-23T18:00:00.000Z	62 \| moderate	15.222 \| fine	67.635 \| fine	8.067 \| good	0.635 \| good	10.127 \| good	0.42 \| good
2026-01-23T19:00:00.000Z	56 \| moderate	12.135 \| fine	54.974 \| good	11.972 \| good	0.774 \| good	9.407 \| good	0.399 \| good
2026-01-23T20:00:00.000Z	56 \| moderate	11.756 \| good	53.03 \| good	15.978 \| good	0.939 \| good	10.022 \| good	0.448 \| good
2026-01-23T21:00:00.000Z	56 \| moderate	11.626 \| good	52.919 \| good	18.016 \| good	0.772 \| good	9.881 \| good	0.379 \| good
2026-01-23T22:00:00.000Z	56 \| moderate	12.248 \| fine	54.739 \| good	18.005 \| good	0.693 \| good	11.548 \| good	0.453 \| good
2026-01-23T23:00:00.000Z	60 \| moderate	13.587 \| fine	60.429 \| fine	18.939 \| good	0.877 \| good	10.886 \| good	0.401 \| good
2026-01-24T00:00:00.000Z	64 \| moderate	15.668 \| fine	70.429 \| fine	17.046 \| good	0.868 \| good	13.045 \| good	0.473 \| good
2026-01-24T01:00:00.000Z	64 \| moderate	15.668 \| fine	70.429 \| fine	17.046 \| good	0.868 \| good	13.045 \| good	0.473 \| good
2026-01-24T02:00:00.000Z	81 \| moderate	24.511 \| fine	107.114 \| fine	17.187 \| good	2.709 \| good	19.885 \| good	0.294 \| good
2026-01-24T03:00:00.000Z	82 \| moderate	25.903 \| fine	113.144 \| fine	12.422 \| good	2.733 \| good	24.986 \| good	0.331 \| good
2026-01-24T04:00:00.000Z	86 \| moderate	27.84 \| fine	121.129 \| fine	11.444 \| good	2.958 \| good	26.337 \| good	0.348 \| good
2026-01-24T05:00:00.000Z	82 \| moderate	25.828 \| fine	113.1 \| fine	11.817 \| good	3.183 \| good	27.689 \| good	0.365 \| good
2026-01-24T06:00:00.000Z	79 \| moderate	23.885 \| fine	105.071 \| fine	10.342 \| good	3.408 \| good	29.04 \| good	0.382 \| good
2026-01-24T07:00:00.000Z	73 \| moderate	20.973 \| fine	93.014 \| fine	11.878 \| good	3.322 \| good	28.215 \| good	0.379 \| good
2026-01-24T08:00:00.000Z	66 \| moderate	17.179 \| fine	76.972 \| fine	13.232 \| good	3.236 \| good	27.389 \| good	0.376 \| good
2026-01-24T09:00:00.000Z	62 \| moderate	15.339 \| fine	68.939 \| fine	13.16 \| good	3.149 \| good	26.563 \| good	0.374 \| good
2026-01-24T10:00:00.000Z	56 \| moderate	12.459 \| fine	56.901 \| fine	12.176 \| good	3.049 \| good	24.876 \| good	0.357 \| good
2026-01-24T11:00:00.000Z	56 \| moderate	11.798 \| good	51.996 \| good	14.544 \| good	2.949 \| good	23.189 \| good	0.341 \| good
2026-01-24T12:00:00.000Z	54 \| moderate	11.406 \| good	50.947 \| good	17.231 \| good	2.849 \| good	21.502 \| good	0.325 \| good
2026-01-24T13:00:00.000Z	49 \| good	8.923 \| good	38.981 \| good	9.29 \| good	2.748 \| good	20.771 \| good	0.311 \| good
2026-01-24T14:00:00.000Z	22 \| good	4.341 \| good	19.031 \| good	11.103 \| good	2.647 \| good	20.04 \| good	0.297 \| good
2026-01-24T15:00:00.000Z	33 \| good	6.063 \| good	26.938 \| good	11.227 \| good	2.545 \| good	19.31 \| good	0.283 \| good
2026-01-24T16:00:00.000Z	33 \| good	5.881 \| good	26.863 \| good	11.003 \| good	2.201 \| good	15.917 \| good	0.263 \| good
2026-01-24T17:00:00.000Z	33 \| good	5.857 \| good	24.971 \| good	18.836 \| good	1.856 \| good	12.524 \| good	0.243 \| good
2026-01-24T18:00:00.000Z	33 \| good	6.367 \| good	27.935 \| good	23.127 \| good	1.511 \| good	9.131 \| good	0.223 \| good
2026-01-24T19:00:00.000Z	24 \| good	1.717 \| good	7.031 \| good	26.402 \| good	1.316 \| good	7.514 \| good	0.201 \| good
2026-01-24T20:00:00.000Z	30 \| good	1.796 \| good	7.036 \| good	31.654 \| good	1.121 \| good	5.896 \| good	0.178 \| good
2026-01-24T21:00:00.000Z	28 \| good	0.548 \| good	2.034 \| good	30.081 \| good	0.927 \| good	4.279 \| good	0.155 \| good
2026-01-24T22:00:00.000Z	32 \| good	1.276 \| good	5.024 \| good	34.867 \| good	0.889 \| good	4.439 \| good	0.152 \| good
2026-01-24T23:00:00.000Z	30 \| good	0.695 \| good	2.045 \| good	32.118 \| good	0.852 \| good	4.599 \| good	0.149 \| good
2026-01-25T00:00:00.000Z	28 \| good	0.78 \| good	3.041 \| good	30.162 \| good	0.814 \| good	4.759 \| good	0.145 \| good
2026-01-25T01:00:00.000Z	22 \| good	0.937 \| good	4.015 \| good	24.256 \| good	0.896 \| good	10.449 \| good	0.179 \| good
2026-01-25T02:00:00.000Z	18 \| good	2.353 \| good	10.001 \| good	18.797 \| good	0.979 \| good	16.139 \| good	0.214 \| good
2026-01-25T03:00:00.000Z	22 \| good	3.633 \| good	16.001 \| good	16.683 \| good	1.061 \| good	21.829 \| good	0.248 \| good
2026-01-25T04:00:00.000Z	22 \| good	3.384 \| good	14.995 \| good	15.055 \| good	1.107 \| good	22.523 \| good	0.264 \| good
2026-01-25T05:00:00.000Z	22 \| good	3.083 \| good	12.059 \| good	15.597 \| good	1.154 \| good	23.217 \| good	0.279 \| good
2026-01-25T06:00:00.000Z	23 \| good	2.464 \| good	10.038 \| good	18.869 \| good	1.201 \| good	23.911 \| good	0.295 \| good
2026-01-25T07:00:00.000Z	22 \| good	1.537 \| good	6.038 \| good	21.129 \| good	1.088 \| good	22.777 \| good	0.293 \| good
2026-01-25T08:00:00.000Z	21 \| good	1.995 \| good	8.018 \| good	20.199 \| good	0.975 \| good	21.642 \| good	0.29 \| good
2026-01-25T09:00:00.000Z	20 \| good	1.955 \| good	8.013 \| good	16.331 \| good	0.862 \| good	20.508 \| good	0.287 \| good
2026-01-25T10:00:00.000Z	18 \| good	1.306 \| good	5.012 \| good	16.792 \| good	0.79 \| good	19.117 \| good	0.272 \| good
2026-01-25T11:00:00.000Z	17 \| good	2.16 \| good	9.025 \| good	14.813 \| good	0.717 \| good	17.726 \| good	0.258 \| good
2026-01-25T12:00:00.000Z	22 \| good	3.71 \| good	15.979 \| good	13.618 \| good	0.644 \| good	16.334 \| good	0.244 \| good
2026-01-25T13:00:00.000Z	16 \| good	3.101 \| good	13.945 \| good	15.325 \| good	0.686 \| good	16.47 \| good	0.236 \| good
2026-01-25T14:00:00.000Z	16 \| good	0.757 \| good	3 \| good	15.348 \| good	0.728 \| good	16.605 \| good	0.228 \| good
2026-01-25T15:00:00.000Z	16 \| good	2.104 \| good	8.995 \| good	13.033 \| good	0.77 \| good	16.74 \| good	0.22 \| good
2026-01-25T16:00:00.000Z	27 \| good	4.725 \| good	20.948 \| good	12.422 \| good	0.815 \| good	14.84 \| good	0.224 \| good
2026-01-25T17:00:00.000Z	44 \| good	8.178 \| good	35.961 \| good	12.433 \| good	0.859 \| good	12.94 \| good	0.228 \| good
2026-01-25T18:00:00.000Z	49 \| good	8.529 \| good	36.995 \| good	21.748 \| good	0.904 \| good	11.04 \| good	0.232 \| good
2026-01-25T19:00:00.000Z	38 \| good	6.728 \| good	29.973 \| good	30.541 \| good	0.971 \| good	9.142 \| good	0.217 \| good
2026-01-25T20:00:00.000Z	38 \| good	6.504 \| good	28.986 \| good	32.748 \| good	1.038 \| good	7.244 \| good	0.203 \| good
2026-01-25T21:00:00.000Z	32 \| good	2.601 \| good	10.132 \| good	35.13 \| good	1.105 \| good	5.346 \| good	0.188 \| good
2026-01-25T22:00:00.000Z	31 \| good	4.562 \| good	20.05 \| good	34.083 \| good	1.111 \| good	6.418 \| good	0.194 \| good
2026-01-25T23:00:00.000Z	29 \| good	5.297 \| good	23.028 \| good	31.046 \| good	1.117 \| good	7.489 \| good	0.201 \| good
2026-01-26T00:00:00.000Z	58 \| moderate	12.583 \| fine	14.956 \| good	25.221 \| good	1.129 \| good	8.615 \| good	0.207 \| good
2026-01-26T01:00:00.000Z	33 \| good	6.182 \| good	27.057 \| good	27.09 \| good	1.191 \| good	12.756 \| good	0.255 \| good

Alum Rock, California live air quality index now

Major air pollutants in Alum Rock, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

San Jose, California

Milpitas, California

Santa Clara, California

Campbell, California

Sunnyvale, California

Cupertino, California

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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