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

The current PM10 concentration at Alum Rock, California is 29.765 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 0.429 ppb.

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

The current ozone (O3) concentration at Alum Rock, California is 24.743 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 5.168 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 6.567 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)

Good

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)

6.57 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

29.77 μg/m³

155

255

425

605+

Ozone (O₃)

24.74 ppb

201

201+

Sulfur Dioxide (SO₂)

0.43 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.17 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-09-19T08:00:00.000Z	44 \| good	8.432 \| good	36.674 \| good	26.623 \| good	0.312 \| good	6.303 \| good	0.446 \| good
2026-09-19T09:00:00.000Z	44 \| good	8.439 \| good	36.853 \| good	26.623 \| good	0.312 \| good	6.307 \| good	0.446 \| good
2026-09-19T10:00:00.000Z	44 \| good	8.394 \| good	36.629 \| good	26.623 \| good	0.492 \| good	2.741 \| good	0.126 \| good
2026-09-19T11:00:00.000Z	44 \| good	7.611 \| good	31.273 \| good	25.706 \| good	0.472 \| good	2.81 \| good	0.126 \| good
2026-09-19T12:00:00.000Z	27 \| good	4.8 \| good	20.748 \| good	21.935 \| good	0.459 \| good	3.572 \| good	0.148 \| good
2026-09-19T13:00:00.000Z	44 \| good	7.776 \| good	34.896 \| good	21.284 \| good	0.293 \| good	2.093 \| good	0.297 \| good
2026-09-19T14:00:00.000Z	44 \| good	8.466 \| good	37.334 \| good	27.77 \| good	0.443 \| good	2.425 \| good	0.275 \| good
2026-09-19T15:00:00.000Z	49 \| good	8.683 \| good	37.847 \| good	27.782 \| good	0.31 \| good	3.106 \| good	0.275 \| good
2026-09-19T16:00:00.000Z	49 \| good	8.737 \| good	38.496 \| good	27.695 \| good	0.329 \| good	3.309 \| good	0.275 \| good
2026-09-19T17:00:00.000Z	52 \| moderate	9.983 \| good	44.46 \| good	28.637 \| good	0.347 \| good	6.29 \| good	0.372 \| good
2026-09-19T18:00:00.000Z	54 \| moderate	11.106 \| good	49.715 \| good	27.811 \| good	0.387 \| good	5.735 \| good	0.372 \| good
2026-09-19T19:00:00.000Z	52 \| moderate	10.469 \| good	46.931 \| good	29.766 \| good	0.368 \| good	6.809 \| good	0.446 \| good
2026-09-19T20:00:00.000Z	54 \| moderate	10.613 \| good	47.624 \| good	30.871 \| good	0.557 \| good	7.069 \| good	0.373 \| good
2026-09-19T21:00:00.000Z	54 \| moderate	10.655 \| good	47.72 \| good	33.937 \| good	0.428 \| good	6.163 \| good	0.374 \| good
2026-09-19T22:00:00.000Z	52 \| moderate	9.761 \| good	43.187 \| good	35.078 \| good	0.446 \| good	4.939 \| good	0.424 \| good
2026-09-19T23:00:00.000Z	44 \| good	8.004 \| good	36.279 \| good	37.033 \| good	0.362 \| good	5.35 \| good	0.448 \| good
2026-09-20T00:00:00.000Z	38 \| good	6.961 \| good	30.64 \| good	38.994 \| good	0.321 \| good	5.693 \| good	0.447 \| good
2026-09-20T01:00:00.000Z	38 \| good	6.821 \| good	29.838 \| good	40.888 \| good	0.333 \| good	5.927 \| good	0.424 \| good
2026-09-20T02:00:00.000Z	44 \| good	7.514 \| good	33.291 \| good	36.016 \| good	0.297 \| good	5.879 \| good	0.447 \| good
2026-09-20T03:00:00.000Z	49 \| good	9.156 \| good	41.021 \| good	34.047 \| good	0.436 \| good	3.39 \| good	0.14 \| good
2026-09-20T04:00:00.000Z	44 \| good	8.2 \| good	36.319 \| good	31.857 \| good	0.384 \| good	6.923 \| good	0.424 \| good
2026-09-20T05:00:00.000Z	49 \| good	8.975 \| good	39.789 \| good	29.838 \| good	0.406 \| good	6.524 \| good	0.423 \| good
2026-09-20T06:00:00.000Z	49 \| good	8.967 \| good	39.38 \| good	29.745 \| good	0.487 \| good	6.56 \| good	0.446 \| good
2026-09-20T07:00:00.000Z	49 \| good	8.912 \| good	39.195 \| good	30.583 \| good	0.35 \| good	6.576 \| good	0.446 \| good
2026-09-20T08:00:00.000Z	49 \| good	8.841 \| good	39.058 \| good	26.764 \| good	0.509 \| good	6.352 \| good	0.446 \| good
2026-09-20T09:00:00.000Z	49 \| good	8.858 \| good	39.294 \| good	26.764 \| good	0.556 \| good	6.336 \| good	0.446 \| good
2026-09-20T10:00:00.000Z	49 \| good	8.831 \| good	39.532 \| good	26.764 \| good	0.673 \| good	4.049 \| good	0.138 \| good
2026-09-20T11:00:00.000Z	38 \| good	6.898 \| good	30.658 \| good	26.133 \| good	0.575 \| good	3.137 \| good	0.138 \| good
2026-09-20T12:00:00.000Z	27 \| good	4.566 \| good	20.023 \| good	18.035 \| good	0.528 \| good	2.107 \| good	0.138 \| good
2026-09-20T13:00:00.000Z	33 \| good	6.455 \| good	28.494 \| good	21.607 \| good	0.365 \| good	2.834 \| good	0.298 \| good
2026-09-20T14:00:00.000Z	38 \| good	6.557 \| good	29.159 \| good	26.89 \| good	0.364 \| good	2.061 \| good	0.275 \| good
2026-09-20T15:00:00.000Z	38 \| good	7.107 \| good	31.22 \| good	28.641 \| good	0.345 \| good	3.505 \| good	0.349 \| good
2026-09-20T16:00:00.000Z	38 \| good	7.122 \| good	30.956 \| good	29.647 \| good	0.328 \| good	1.988 \| good	0.275 \| good
2026-09-20T17:00:00.000Z	33 \| good	6.499 \| good	28.746 \| good	29.701 \| good	0.364 \| good	2.459 \| good	0.275 \| good
2026-09-20T18:00:00.000Z	38 \| good	7.338 \| good	32.206 \| good	27.776 \| good	0.328 \| good	3.847 \| good	0.349 \| good
2026-09-20T19:00:00.000Z	44 \| good	7.608 \| good	33.99 \| good	26.886 \| good	0.592 \| good	4.095 \| good	0.349 \| good
2026-09-20T20:00:00.000Z	38 \| good	6.827 \| good	30.379 \| good	27.905 \| good	0.349 \| good	3.988 \| good	0.349 \| good
2026-09-20T21:00:00.000Z	38 \| good	7.045 \| good	31.624 \| good	30.819 \| good	0.529 \| good	3.482 \| good	0.349 \| good
2026-09-20T22:00:00.000Z	30 \| good	4.045 \| good	17.317 \| good	31.855 \| good	0.535 \| good	4.053 \| good	0.349 \| good
2026-09-20T23:00:00.000Z	28 \| good	4.141 \| good	18.462 \| good	29.971 \| good	0.558 \| good	4.797 \| good	0.349 \| good
2026-09-21T00:00:00.000Z	29 \| good	5.064 \| good	22.063 \| good	30.919 \| good	0.346 \| good	4.755 \| good	0.423 \| good
2026-09-21T01:00:00.000Z	30 \| good	5.085 \| good	22.469 \| good	31.838 \| good	0.486 \| good	6.251 \| good	0.423 \| good
2026-09-21T02:00:00.000Z	27 \| good	5.477 \| good	23.64 \| good	28.971 \| good	0.516 \| good	7.503 \| good	0.446 \| good
2026-09-21T03:00:00.000Z	38 \| good	7.248 \| good	32.026 \| good	31.833 \| good	0.371 \| good	3.783 \| good	0.148 \| good
2026-09-21T04:00:00.000Z	27 \| good	5.188 \| good	23.46 \| good	28.807 \| good	0.449 \| good	6.766 \| good	0.447 \| good
2026-09-21T05:00:00.000Z	27 \| good	5.04 \| good	22.402 \| good	26.848 \| good	0.327 \| good	7.571 \| good	0.423 \| good
2026-09-21T06:00:00.000Z	38 \| good	6.785 \| good	30.131 \| good	23.836 \| good	0.484 \| good	5.581 \| good	0.349 \| good
2026-09-21T07:00:00.000Z	38 \| good	6.567 \| good	29.765 \| good	24.743 \| good	0.429 \| good	5.168 \| good	0.349 \| good
2026-09-21T07:00:00.000Z	38 \| good	6.567 \| good	29.765 \| good	24.743 \| good	0.429 \| good	5.168 \| good	0.349 \| good
2026-09-21T08:00:00.000Z	38 \| good	6.596 \| good	29.006 \| good	29.82 \| good	0.371 \| good	6.001 \| good	0.159 \| good
2026-09-21T09:00:00.000Z	28 \| good	5.497 \| good	23.067 \| good	30.3 \| good	0.377 \| good	5.542 \| good	0.157 \| good
2026-09-21T10:00:00.000Z	28 \| good	5.327 \| good	23.025 \| good	30.184 \| good	0.373 \| good	5.295 \| good	0.156 \| good
2026-09-21T11:00:00.000Z	29 \| good	4.459 \| good	19.051 \| good	30.739 \| good	0.359 \| good	5.129 \| good	0.156 \| good
2026-09-21T12:00:00.000Z	22 \| good	4.351 \| good	19.042 \| good	21.489 \| good	0.345 \| good	4.801 \| good	0.155 \| good
2026-09-21T13:00:00.000Z	27 \| good	4.652 \| good	20.052 \| good	25.481 \| good	0.337 \| good	4.397 \| good	0.154 \| good
2026-09-21T14:00:00.000Z	33 \| good	5.65 \| good	24.078 \| good	25.77 \| good	0.33 \| good	4.276 \| good	0.154 \| good
2026-09-21T15:00:00.000Z	38 \| good	6.948 \| good	31.014 \| good	22.963 \| good	0.346 \| good	3.471 \| good	0.151 \| good
2026-09-21T16:00:00.000Z	49 \| good	9.046 \| good	40.981 \| good	25.636 \| good	0.353 \| good	2.506 \| good	0.147 \| good
2026-09-21T17:00:00.000Z	52 \| moderate	9.526 \| good	43.002 \| good	26.204 \| good	0.348 \| good	1.895 \| good	0.143 \| good
2026-09-21T18:00:00.000Z	44 \| good	8.44 \| good	37.049 \| good	29.134 \| good	0.346 \| good	1.528 \| good	0.14 \| good
2026-09-21T19:00:00.000Z	54 \| moderate	10.662 \| good	47.016 \| good	34.498 \| good	0.341 \| good	1.175 \| good	0.138 \| good
2026-09-21T20:00:00.000Z	52 \| moderate	9.557 \| good	43 \| good	40.415 \| good	0.334 \| good	0.933 \| good	0.136 \| good
2026-09-21T21:00:00.000Z	44 \| good	8.421 \| good	37.05 \| good	44.195 \| good	0.328 \| good	0.821 \| good	0.135 \| good
2026-09-21T22:00:00.000Z	44 \| good	8.488 \| good	37.052 \| good	45.502 \| good	0.324 \| good	0.796 \| good	0.134 \| good
2026-09-21T23:00:00.000Z	49 \| good	8.514 \| good	37.037 \| good	43.754 \| good	0.324 \| good	0.869 \| good	0.133 \| good
2026-09-22T00:00:00.000Z	49 \| good	8.803 \| good	39.006 \| good	39.198 \| good	0.325 \| good	1.054 \| good	0.132 \| good
2026-09-22T01:00:00.000Z	52 \| moderate	10.046 \| good	44.963 \| good	35.638 \| good	0.332 \| good	1.529 \| good	0.132 \| good
2026-09-22T02:00:00.000Z	38 \| good	7.468 \| good	33.027 \| good	29.782 \| good	0.34 \| good	2.302 \| good	0.133 \| good
2026-09-22T03:00:00.000Z	44 \| good	7.875 \| good	34.048 \| good	31.087 \| good	0.357 \| good	3.39 \| good	0.137 \| good
2026-09-22T04:00:00.000Z	44 \| good	7.796 \| good	34.027 \| good	30.762 \| good	0.374 \| good	4.205 \| good	0.139 \| good
2026-09-22T05:00:00.000Z	49 \| good	8.904 \| good	39.034 \| good	28.201 \| good	0.382 \| good	4.787 \| good	0.141 \| good
2026-09-22T06:00:00.000Z	44 \| good	8.498 \| good	37.054 \| good	27.217 \| good	0.39 \| good	5.416 \| good	0.144 \| good
2026-09-22T07:00:00.000Z	38 \| good	7.105 \| good	31.073 \| good	27.567 \| good	0.392 \| good	6.151 \| good	0.147 \| good
2026-09-22T08:00:00.000Z	33 \| good	6.271 \| good	28.057 \| good	24.189 \| good	0.389 \| good	6.642 \| good	0.149 \| good
2026-09-22T09:00:00.000Z	44 \| good	7.565 \| good	33.081 \| good	25.712 \| good	0.385 \| good	7.16 \| good	0.152 \| good
2026-09-22T10:00:00.000Z	44 \| good	8.4 \| good	37.04 \| good	26.331 \| good	0.382 \| good	7.183 \| good	0.151 \| good
2026-09-22T11:00:00.000Z	38 \| good	7.308 \| good	32.046 \| good	27.002 \| good	0.373 \| good	6.829 \| good	0.149 \| good
2026-09-22T12:00:00.000Z	27 \| good	4.742 \| good	21.034 \| good	26.201 \| good	0.368 \| good	6.562 \| good	0.146 \| good
2026-09-22T13:00:00.000Z	38 \| good	6.547 \| good	29.025 \| good	25.645 \| good	0.364 \| good	6.562 \| good	0.145 \| good
2026-09-22T14:00:00.000Z	33 \| good	6.157 \| good	27.033 \| good	25.258 \| good	0.364 \| good	7.036 \| good	0.148 \| good
2026-09-22T15:00:00.000Z	38 \| good	6.803 \| good	30.019 \| good	25.944 \| good	0.388 \| good	6.182 \| good	0.148 \| good
2026-09-22T16:00:00.000Z	44 \| good	7.64 \| good	33.984 \| good	26.165 \| good	0.435 \| good	3.977 \| good	0.136 \| good
2026-09-22T17:00:00.000Z	38 \| good	6.687 \| good	30.014 \| good	28.891 \| good	0.429 \| good	2.802 \| good	0.132 \| good
2026-09-22T18:00:00.000Z	44 \| good	7.913 \| good	35.006 \| good	32.245 \| good	0.418 \| good	2.075 \| good	0.131 \| good
2026-09-22T19:00:00.000Z	49 \| good	9.498 \| good	42.961 \| good	35.778 \| good	0.412 \| good	1.583 \| good	0.131 \| good
2026-09-22T20:00:00.000Z	49 \| good	9.327 \| good	41.962 \| good	39.649 \| good	0.412 \| good	1.289 \| good	0.131 \| good
2026-09-22T21:00:00.000Z	52 \| moderate	9.588 \| good	42.987 \| good	42.569 \| good	0.413 \| good	1.126 \| good	0.131 \| good
2026-09-22T22:00:00.000Z	49 \| good	9.39 \| good	41.993 \| good	43.831 \| good	0.418 \| good	1.109 \| good	0.131 \| good
2026-09-22T23:00:00.000Z	52 \| moderate	9.503 \| good	42.987 \| good	44.605 \| good	0.425 \| good	1.186 \| good	0.131 \| good
2026-09-23T00:00:00.000Z	49 \| good	9.194 \| good	41.014 \| good	40.467 \| good	0.425 \| good	1.446 \| good	0.13 \| good
2026-09-23T01:00:00.000Z	52 \| moderate	9.89 \| good	44.004 \| good	36.045 \| good	0.419 \| good	2.037 \| good	0.129 \| good
2026-09-23T02:00:00.000Z	44 \| good	7.761 \| good	34.051 \| good	30.078 \| good	0.416 \| good	3.181 \| good	0.13 \| good
2026-09-23T03:00:00.000Z	49 \| good	9.288 \| good	41.037 \| good	33.771 \| good	0.43 \| good	5.058 \| good	0.135 \| good
2026-09-23T04:00:00.000Z	52 \| moderate	10.06 \| good	45.027 \| good	33.849 \| good	0.444 \| good	7.107 \| good	0.142 \| good
2026-09-23T05:00:00.000Z	56 \| moderate	11.964 \| good	53.984 \| good	30.123 \| good	0.45 \| good	9.25 \| good	0.15 \| good
2026-09-23T06:00:00.000Z	56 \| moderate	11.698 \| good	51.083 \| good	30.931 \| good	0.452 \| good	11.434 \| good	0.16 \| good
2026-09-23T07:00:00.000Z	38 \| good	7.327 \| good	32.141 \| good	34.894 \| good	0.446 \| good	12.809 \| good	0.169 \| good

Alum Rock

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

0.26ppm

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 10:00:00 on 2026-09-20.

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 05:00:00 on 2026-09-21.

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

The current air quality in Alum Rock, California is 38, categorized as Good 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 6.567 μg/m³.

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

The current PM₁₀ concentration at Alum Rock, California is 29.765 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 0.349 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 0.429 ppb.

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

The current ozone (O₃) concentration at Alum Rock, California is 24.743 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 5.168 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-19T08:00:00.000Z	44 \| good	8.432 \| good	36.674 \| good	26.623 \| good	0.312 \| good	6.303 \| good	0.446 \| good
2026-09-19T09:00:00.000Z	44 \| good	8.439 \| good	36.853 \| good	26.623 \| good	0.312 \| good	6.307 \| good	0.446 \| good
2026-09-19T10:00:00.000Z	44 \| good	8.394 \| good	36.629 \| good	26.623 \| good	0.492 \| good	2.741 \| good	0.126 \| good
2026-09-19T11:00:00.000Z	44 \| good	7.611 \| good	31.273 \| good	25.706 \| good	0.472 \| good	2.81 \| good	0.126 \| good
2026-09-19T12:00:00.000Z	27 \| good	4.8 \| good	20.748 \| good	21.935 \| good	0.459 \| good	3.572 \| good	0.148 \| good
2026-09-19T13:00:00.000Z	44 \| good	7.776 \| good	34.896 \| good	21.284 \| good	0.293 \| good	2.093 \| good	0.297 \| good
2026-09-19T14:00:00.000Z	44 \| good	8.466 \| good	37.334 \| good	27.77 \| good	0.443 \| good	2.425 \| good	0.275 \| good
2026-09-19T15:00:00.000Z	49 \| good	8.683 \| good	37.847 \| good	27.782 \| good	0.31 \| good	3.106 \| good	0.275 \| good
2026-09-19T16:00:00.000Z	49 \| good	8.737 \| good	38.496 \| good	27.695 \| good	0.329 \| good	3.309 \| good	0.275 \| good
2026-09-19T17:00:00.000Z	52 \| moderate	9.983 \| good	44.46 \| good	28.637 \| good	0.347 \| good	6.29 \| good	0.372 \| good
2026-09-19T18:00:00.000Z	54 \| moderate	11.106 \| good	49.715 \| good	27.811 \| good	0.387 \| good	5.735 \| good	0.372 \| good
2026-09-19T19:00:00.000Z	52 \| moderate	10.469 \| good	46.931 \| good	29.766 \| good	0.368 \| good	6.809 \| good	0.446 \| good
2026-09-19T20:00:00.000Z	54 \| moderate	10.613 \| good	47.624 \| good	30.871 \| good	0.557 \| good	7.069 \| good	0.373 \| good
2026-09-19T21:00:00.000Z	54 \| moderate	10.655 \| good	47.72 \| good	33.937 \| good	0.428 \| good	6.163 \| good	0.374 \| good
2026-09-19T22:00:00.000Z	52 \| moderate	9.761 \| good	43.187 \| good	35.078 \| good	0.446 \| good	4.939 \| good	0.424 \| good
2026-09-19T23:00:00.000Z	44 \| good	8.004 \| good	36.279 \| good	37.033 \| good	0.362 \| good	5.35 \| good	0.448 \| good
2026-09-20T00:00:00.000Z	38 \| good	6.961 \| good	30.64 \| good	38.994 \| good	0.321 \| good	5.693 \| good	0.447 \| good
2026-09-20T01:00:00.000Z	38 \| good	6.821 \| good	29.838 \| good	40.888 \| good	0.333 \| good	5.927 \| good	0.424 \| good
2026-09-20T02:00:00.000Z	44 \| good	7.514 \| good	33.291 \| good	36.016 \| good	0.297 \| good	5.879 \| good	0.447 \| good
2026-09-20T03:00:00.000Z	49 \| good	9.156 \| good	41.021 \| good	34.047 \| good	0.436 \| good	3.39 \| good	0.14 \| good
2026-09-20T04:00:00.000Z	44 \| good	8.2 \| good	36.319 \| good	31.857 \| good	0.384 \| good	6.923 \| good	0.424 \| good
2026-09-20T05:00:00.000Z	49 \| good	8.975 \| good	39.789 \| good	29.838 \| good	0.406 \| good	6.524 \| good	0.423 \| good
2026-09-20T06:00:00.000Z	49 \| good	8.967 \| good	39.38 \| good	29.745 \| good	0.487 \| good	6.56 \| good	0.446 \| good
2026-09-20T07:00:00.000Z	49 \| good	8.912 \| good	39.195 \| good	30.583 \| good	0.35 \| good	6.576 \| good	0.446 \| good
2026-09-20T08:00:00.000Z	49 \| good	8.841 \| good	39.058 \| good	26.764 \| good	0.509 \| good	6.352 \| good	0.446 \| good
2026-09-20T09:00:00.000Z	49 \| good	8.858 \| good	39.294 \| good	26.764 \| good	0.556 \| good	6.336 \| good	0.446 \| good
2026-09-20T10:00:00.000Z	49 \| good	8.831 \| good	39.532 \| good	26.764 \| good	0.673 \| good	4.049 \| good	0.138 \| good
2026-09-20T11:00:00.000Z	38 \| good	6.898 \| good	30.658 \| good	26.133 \| good	0.575 \| good	3.137 \| good	0.138 \| good
2026-09-20T12:00:00.000Z	27 \| good	4.566 \| good	20.023 \| good	18.035 \| good	0.528 \| good	2.107 \| good	0.138 \| good
2026-09-20T13:00:00.000Z	33 \| good	6.455 \| good	28.494 \| good	21.607 \| good	0.365 \| good	2.834 \| good	0.298 \| good
2026-09-20T14:00:00.000Z	38 \| good	6.557 \| good	29.159 \| good	26.89 \| good	0.364 \| good	2.061 \| good	0.275 \| good
2026-09-20T15:00:00.000Z	38 \| good	7.107 \| good	31.22 \| good	28.641 \| good	0.345 \| good	3.505 \| good	0.349 \| good
2026-09-20T16:00:00.000Z	38 \| good	7.122 \| good	30.956 \| good	29.647 \| good	0.328 \| good	1.988 \| good	0.275 \| good
2026-09-20T17:00:00.000Z	33 \| good	6.499 \| good	28.746 \| good	29.701 \| good	0.364 \| good	2.459 \| good	0.275 \| good
2026-09-20T18:00:00.000Z	38 \| good	7.338 \| good	32.206 \| good	27.776 \| good	0.328 \| good	3.847 \| good	0.349 \| good
2026-09-20T19:00:00.000Z	44 \| good	7.608 \| good	33.99 \| good	26.886 \| good	0.592 \| good	4.095 \| good	0.349 \| good
2026-09-20T20:00:00.000Z	38 \| good	6.827 \| good	30.379 \| good	27.905 \| good	0.349 \| good	3.988 \| good	0.349 \| good
2026-09-20T21:00:00.000Z	38 \| good	7.045 \| good	31.624 \| good	30.819 \| good	0.529 \| good	3.482 \| good	0.349 \| good
2026-09-20T22:00:00.000Z	30 \| good	4.045 \| good	17.317 \| good	31.855 \| good	0.535 \| good	4.053 \| good	0.349 \| good
2026-09-20T23:00:00.000Z	28 \| good	4.141 \| good	18.462 \| good	29.971 \| good	0.558 \| good	4.797 \| good	0.349 \| good
2026-09-21T00:00:00.000Z	29 \| good	5.064 \| good	22.063 \| good	30.919 \| good	0.346 \| good	4.755 \| good	0.423 \| good
2026-09-21T01:00:00.000Z	30 \| good	5.085 \| good	22.469 \| good	31.838 \| good	0.486 \| good	6.251 \| good	0.423 \| good
2026-09-21T02:00:00.000Z	27 \| good	5.477 \| good	23.64 \| good	28.971 \| good	0.516 \| good	7.503 \| good	0.446 \| good
2026-09-21T03:00:00.000Z	38 \| good	7.248 \| good	32.026 \| good	31.833 \| good	0.371 \| good	3.783 \| good	0.148 \| good
2026-09-21T04:00:00.000Z	27 \| good	5.188 \| good	23.46 \| good	28.807 \| good	0.449 \| good	6.766 \| good	0.447 \| good
2026-09-21T05:00:00.000Z	27 \| good	5.04 \| good	22.402 \| good	26.848 \| good	0.327 \| good	7.571 \| good	0.423 \| good
2026-09-21T06:00:00.000Z	38 \| good	6.785 \| good	30.131 \| good	23.836 \| good	0.484 \| good	5.581 \| good	0.349 \| good
2026-09-21T07:00:00.000Z	38 \| good	6.567 \| good	29.765 \| good	24.743 \| good	0.429 \| good	5.168 \| good	0.349 \| good
2026-09-21T07:00:00.000Z	38 \| good	6.567 \| good	29.765 \| good	24.743 \| good	0.429 \| good	5.168 \| good	0.349 \| good
2026-09-21T08:00:00.000Z	38 \| good	6.596 \| good	29.006 \| good	29.82 \| good	0.371 \| good	6.001 \| good	0.159 \| good
2026-09-21T09:00:00.000Z	28 \| good	5.497 \| good	23.067 \| good	30.3 \| good	0.377 \| good	5.542 \| good	0.157 \| good
2026-09-21T10:00:00.000Z	28 \| good	5.327 \| good	23.025 \| good	30.184 \| good	0.373 \| good	5.295 \| good	0.156 \| good
2026-09-21T11:00:00.000Z	29 \| good	4.459 \| good	19.051 \| good	30.739 \| good	0.359 \| good	5.129 \| good	0.156 \| good
2026-09-21T12:00:00.000Z	22 \| good	4.351 \| good	19.042 \| good	21.489 \| good	0.345 \| good	4.801 \| good	0.155 \| good
2026-09-21T13:00:00.000Z	27 \| good	4.652 \| good	20.052 \| good	25.481 \| good	0.337 \| good	4.397 \| good	0.154 \| good
2026-09-21T14:00:00.000Z	33 \| good	5.65 \| good	24.078 \| good	25.77 \| good	0.33 \| good	4.276 \| good	0.154 \| good
2026-09-21T15:00:00.000Z	38 \| good	6.948 \| good	31.014 \| good	22.963 \| good	0.346 \| good	3.471 \| good	0.151 \| good
2026-09-21T16:00:00.000Z	49 \| good	9.046 \| good	40.981 \| good	25.636 \| good	0.353 \| good	2.506 \| good	0.147 \| good
2026-09-21T17:00:00.000Z	52 \| moderate	9.526 \| good	43.002 \| good	26.204 \| good	0.348 \| good	1.895 \| good	0.143 \| good
2026-09-21T18:00:00.000Z	44 \| good	8.44 \| good	37.049 \| good	29.134 \| good	0.346 \| good	1.528 \| good	0.14 \| good
2026-09-21T19:00:00.000Z	54 \| moderate	10.662 \| good	47.016 \| good	34.498 \| good	0.341 \| good	1.175 \| good	0.138 \| good
2026-09-21T20:00:00.000Z	52 \| moderate	9.557 \| good	43 \| good	40.415 \| good	0.334 \| good	0.933 \| good	0.136 \| good
2026-09-21T21:00:00.000Z	44 \| good	8.421 \| good	37.05 \| good	44.195 \| good	0.328 \| good	0.821 \| good	0.135 \| good
2026-09-21T22:00:00.000Z	44 \| good	8.488 \| good	37.052 \| good	45.502 \| good	0.324 \| good	0.796 \| good	0.134 \| good
2026-09-21T23:00:00.000Z	49 \| good	8.514 \| good	37.037 \| good	43.754 \| good	0.324 \| good	0.869 \| good	0.133 \| good
2026-09-22T00:00:00.000Z	49 \| good	8.803 \| good	39.006 \| good	39.198 \| good	0.325 \| good	1.054 \| good	0.132 \| good
2026-09-22T01:00:00.000Z	52 \| moderate	10.046 \| good	44.963 \| good	35.638 \| good	0.332 \| good	1.529 \| good	0.132 \| good
2026-09-22T02:00:00.000Z	38 \| good	7.468 \| good	33.027 \| good	29.782 \| good	0.34 \| good	2.302 \| good	0.133 \| good
2026-09-22T03:00:00.000Z	44 \| good	7.875 \| good	34.048 \| good	31.087 \| good	0.357 \| good	3.39 \| good	0.137 \| good
2026-09-22T04:00:00.000Z	44 \| good	7.796 \| good	34.027 \| good	30.762 \| good	0.374 \| good	4.205 \| good	0.139 \| good
2026-09-22T05:00:00.000Z	49 \| good	8.904 \| good	39.034 \| good	28.201 \| good	0.382 \| good	4.787 \| good	0.141 \| good
2026-09-22T06:00:00.000Z	44 \| good	8.498 \| good	37.054 \| good	27.217 \| good	0.39 \| good	5.416 \| good	0.144 \| good
2026-09-22T07:00:00.000Z	38 \| good	7.105 \| good	31.073 \| good	27.567 \| good	0.392 \| good	6.151 \| good	0.147 \| good
2026-09-22T08:00:00.000Z	33 \| good	6.271 \| good	28.057 \| good	24.189 \| good	0.389 \| good	6.642 \| good	0.149 \| good
2026-09-22T09:00:00.000Z	44 \| good	7.565 \| good	33.081 \| good	25.712 \| good	0.385 \| good	7.16 \| good	0.152 \| good
2026-09-22T10:00:00.000Z	44 \| good	8.4 \| good	37.04 \| good	26.331 \| good	0.382 \| good	7.183 \| good	0.151 \| good
2026-09-22T11:00:00.000Z	38 \| good	7.308 \| good	32.046 \| good	27.002 \| good	0.373 \| good	6.829 \| good	0.149 \| good
2026-09-22T12:00:00.000Z	27 \| good	4.742 \| good	21.034 \| good	26.201 \| good	0.368 \| good	6.562 \| good	0.146 \| good
2026-09-22T13:00:00.000Z	38 \| good	6.547 \| good	29.025 \| good	25.645 \| good	0.364 \| good	6.562 \| good	0.145 \| good
2026-09-22T14:00:00.000Z	33 \| good	6.157 \| good	27.033 \| good	25.258 \| good	0.364 \| good	7.036 \| good	0.148 \| good
2026-09-22T15:00:00.000Z	38 \| good	6.803 \| good	30.019 \| good	25.944 \| good	0.388 \| good	6.182 \| good	0.148 \| good
2026-09-22T16:00:00.000Z	44 \| good	7.64 \| good	33.984 \| good	26.165 \| good	0.435 \| good	3.977 \| good	0.136 \| good
2026-09-22T17:00:00.000Z	38 \| good	6.687 \| good	30.014 \| good	28.891 \| good	0.429 \| good	2.802 \| good	0.132 \| good
2026-09-22T18:00:00.000Z	44 \| good	7.913 \| good	35.006 \| good	32.245 \| good	0.418 \| good	2.075 \| good	0.131 \| good
2026-09-22T19:00:00.000Z	49 \| good	9.498 \| good	42.961 \| good	35.778 \| good	0.412 \| good	1.583 \| good	0.131 \| good
2026-09-22T20:00:00.000Z	49 \| good	9.327 \| good	41.962 \| good	39.649 \| good	0.412 \| good	1.289 \| good	0.131 \| good
2026-09-22T21:00:00.000Z	52 \| moderate	9.588 \| good	42.987 \| good	42.569 \| good	0.413 \| good	1.126 \| good	0.131 \| good
2026-09-22T22:00:00.000Z	49 \| good	9.39 \| good	41.993 \| good	43.831 \| good	0.418 \| good	1.109 \| good	0.131 \| good
2026-09-22T23:00:00.000Z	52 \| moderate	9.503 \| good	42.987 \| good	44.605 \| good	0.425 \| good	1.186 \| good	0.131 \| good
2026-09-23T00:00:00.000Z	49 \| good	9.194 \| good	41.014 \| good	40.467 \| good	0.425 \| good	1.446 \| good	0.13 \| good
2026-09-23T01:00:00.000Z	52 \| moderate	9.89 \| good	44.004 \| good	36.045 \| good	0.419 \| good	2.037 \| good	0.129 \| good
2026-09-23T02:00:00.000Z	44 \| good	7.761 \| good	34.051 \| good	30.078 \| good	0.416 \| good	3.181 \| good	0.13 \| good
2026-09-23T03:00:00.000Z	49 \| good	9.288 \| good	41.037 \| good	33.771 \| good	0.43 \| good	5.058 \| good	0.135 \| good
2026-09-23T04:00:00.000Z	52 \| moderate	10.06 \| good	45.027 \| good	33.849 \| good	0.444 \| good	7.107 \| good	0.142 \| good
2026-09-23T05:00:00.000Z	56 \| moderate	11.964 \| good	53.984 \| good	30.123 \| good	0.45 \| good	9.25 \| good	0.15 \| good
2026-09-23T06:00:00.000Z	56 \| moderate	11.698 \| good	51.083 \| good	30.931 \| good	0.452 \| good	11.434 \| good	0.16 \| good
2026-09-23T07:00:00.000Z	38 \| good	7.327 \| good	32.141 \| good	34.894 \| good	0.446 \| good	12.809 \| good	0.169 \| 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)

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

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