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

The current PM10 concentration at Fremont, California is 24.068 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Fremont, California is 0.588 ppb.

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

The current ozone (O3) concentration at Fremont, California is 35.61 ppm.

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

The current nitrogen dioxide (NO2) concentration at Fremont, California is 5.777 ppb.

Fremont, California live air quality index now

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

The current PM2.5 concentration at Fremont, California is 5.431 μg/m3.

Stay updated with real-time air quality in Fremont, 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

Fremont, California

Last updated: ... (Local time)

Major air pollutants in Fremont, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.43 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

24.07 μg/m³

155

255

425

605+

Ozone (O₃)

35.61 ppb

201

201+

Sulfur Dioxide (SO₂)

0.59 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Fremont, California

Get Live Pollen Counts

Fremont, California

Scroll To Air Quality Map

Track live Fremont, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T20:00:00.000Z	33 \| good	6.127 \| good	26.75 \| good	31.98 \| good	0.655 \| good	6.875 \| good	0.269 \| good
2025-10-20T21:00:00.000Z	33 \| good	5.836 \| good	24.932 \| good	34.097 \| good	0.63 \| good	4.19 \| good	0.246 \| good
2025-10-20T22:00:00.000Z	34 \| good	3.469 \| good	19.324 \| good	36.671 \| good	0.604 \| good	5.064 \| good	0.297 \| good
2025-10-20T23:00:00.000Z	38 \| good	6.653 \| good	25.893 \| good	38.115 \| good	0.586 \| good	4.752 \| good	0.295 \| good
2025-10-21T00:00:00.000Z	37 \| good	5.454 \| good	23.754 \| good	39.615 \| good	0.543 \| good	4.758 \| good	0.274 \| good
2025-10-21T01:00:00.000Z	37 \| good	5.402 \| good	23.122 \| good	39.514 \| good	0.563 \| good	7.368 \| good	0.23 \| good
2025-10-21T02:00:00.000Z	36 \| good	5.715 \| good	22.044 \| good	39.485 \| good	0.857 \| good	4.753 \| good	0.207 \| good
2025-10-21T03:00:00.000Z	60 \| moderate	14.239 \| fine	63.676 \| fine	21.153 \| good	1.625 \| good	41.432 \| good	0.446 \| good
2025-10-21T04:00:00.000Z	38 \| good	6.904 \| good	27.886 \| good	38.689 \| good	0.809 \| good	20.275 \| good	0.374 \| good
2025-10-21T05:00:00.000Z	38 \| good	7.497 \| good	32.979 \| good	34.97 \| good	0.805 \| good	22.557 \| good	0.571 \| good
2025-10-21T06:00:00.000Z	52 \| moderate	10.41 \| good	40.268 \| good	31.17 \| good	0.751 \| good	17.939 \| good	0.557 \| good
2025-10-21T07:00:00.000Z	54 \| moderate	11.082 \| good	52.046 \| good	30.242 \| good	0.724 \| good	15.185 \| good	0.48 \| good
2025-10-21T08:00:00.000Z	54 \| moderate	10.961 \| good	46.394 \| good	30.19 \| good	0.738 \| good	13.918 \| good	0.433 \| good
2025-10-21T09:00:00.000Z	49 \| good	9.445 \| good	30.602 \| good	29.092 \| good	0.775 \| good	11.456 \| good	0.422 \| good
2025-10-21T10:00:00.000Z	49 \| good	8.699 \| good	36.275 \| good	28.401 \| good	0.8 \| good	11.928 \| good	0.395 \| good
2025-10-21T11:00:00.000Z	38 \| good	7.205 \| good	26.673 \| good	32.667 \| good	0.78 \| good	13.535 \| good	0.429 \| good
2025-10-21T12:00:00.000Z	38 \| good	6.827 \| good	27.574 \| good	30.548 \| good	0.782 \| good	11.215 \| good	0.429 \| good
2025-10-21T13:00:00.000Z	38 \| good	6.548 \| good	26.08 \| good	27.862 \| good	0.833 \| good	13.371 \| good	0.452 \| good
2025-10-21T14:00:00.000Z	33 \| good	5.986 \| good	28.675 \| good	24.332 \| good	0.665 \| good	13.683 \| good	0.507 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.229 \| good	23.405 \| good	27.754 \| good	0.749 \| good	18.275 \| good	0.596 \| good
2025-10-21T16:00:00.000Z	38 \| good	6.912 \| good	28.392 \| good	22.901 \| good	0.749 \| good	20.043 \| good	0.636 \| good
2025-10-21T17:00:00.000Z	44 \| good	8.091 \| good	37.401 \| good	25.63 \| good	0.871 \| good	19.497 \| good	0.733 \| good
2025-10-21T18:00:00.000Z	44 \| good	8.302 \| good	31.502 \| good	24.767 \| good	1.384 \| good	17.368 \| good	0.507 \| good
2025-10-21T19:00:00.000Z	52 \| moderate	9.812 \| good	43.617 \| good	27.535 \| good	1.496 \| good	13.794 \| good	0.447 \| good
2025-10-21T20:00:00.000Z	52 \| moderate	9.566 \| good	34.79 \| good	30.841 \| good	1.128 \| good	8.552 \| good	0.307 \| good
2025-10-21T21:00:00.000Z	38 \| good	7.465 \| good	35.729 \| good	35.318 \| good	1.099 \| good	8.573 \| good	0.333 \| good
2025-10-21T22:00:00.000Z	52 \| moderate	9.903 \| good	35.939 \| good	37.657 \| good	0.931 \| good	5.205 \| good	0.294 \| good
2025-10-21T23:00:00.000Z	49 \| good	8.538 \| good	37.846 \| good	39.871 \| good	0.801 \| good	4.303 \| good	0.252 \| good
2025-10-22T00:00:00.000Z	49 \| good	8.5 \| good	37.515 \| good	37.578 \| good	0.667 \| good	5.844 \| good	0.295 \| good
2025-10-22T01:00:00.000Z	38 \| good	7.091 \| good	29.83 \| good	39.609 \| good	0.721 \| good	7.627 \| good	0.355 \| good
2025-10-22T02:00:00.000Z	44 \| good	7.703 \| good	39.304 \| good	38.7 \| good	0.642 \| good	9.667 \| good	0.399 \| good
2025-10-22T03:00:00.000Z	58 \| moderate	12.805 \| fine	58.005 \| fine	32.622 \| good	2.436 \| good	35.953 \| good	0.373 \| good
2025-10-22T04:00:00.000Z	44 \| good	8.117 \| good	35.592 \| good	37.11 \| good	0.686 \| good	8.424 \| good	0.282 \| good
2025-10-22T05:00:00.000Z	54 \| moderate	10.81 \| good	45.318 \| good	37.339 \| good	0.659 \| good	7.937 \| good	0.271 \| good
2025-10-22T06:00:00.000Z	49 \| good	8.965 \| good	36.56 \| good	36.552 \| good	0.596 \| good	7.773 \| good	0.263 \| good
2025-10-22T07:00:00.000Z	49 \| good	9.187 \| good	45.794 \| good	35.176 \| good	0.583 \| good	7.267 \| good	0.226 \| good
2025-10-22T08:00:00.000Z	52 \| moderate	9.892 \| good	38.401 \| good	32.353 \| good	0.534 \| good	5.585 \| good	0.32 \| good
2025-10-22T09:00:00.000Z	52 \| moderate	9.584 \| good	48.47 \| good	31.561 \| good	0.544 \| good	4.511 \| good	0.214 \| good
2025-10-22T10:00:00.000Z	44 \| good	8.275 \| good	39.082 \| good	32.805 \| good	0.548 \| good	3.212 \| good	0.215 \| good
2025-10-22T11:00:00.000Z	49 \| good	8.737 \| good	36.166 \| good	32.21 \| good	0.559 \| good	3.02 \| good	0.197 \| good
2025-10-22T12:00:00.000Z	38 \| good	7.479 \| good	30.657 \| good	30.976 \| good	0.6 \| good	3.438 \| good	0.18 \| good
2025-10-22T13:00:00.000Z	44 \| good	7.453 \| good	47.37 \| good	29.621 \| good	0.496 \| good	4.781 \| good	0.215 \| good
2025-10-22T14:00:00.000Z	38 \| good	6.638 \| good	28.264 \| good	29.372 \| good	0.844 \| good	4.604 \| good	0.184 \| good
2025-10-22T15:00:00.000Z	33 \| good	5.958 \| good	24.547 \| good	30.007 \| good	0.798 \| good	4.882 \| good	0.223 \| good
2025-10-22T16:00:00.000Z	33 \| good	6.018 \| good	24.704 \| good	29.535 \| good	0.802 \| good	6.024 \| good	0.216 \| good
2025-10-22T17:00:00.000Z	33 \| good	6.006 \| good	26.887 \| good	30.019 \| good	1.1 \| good	5.949 \| good	0.309 \| good
2025-10-22T18:00:00.000Z	33 \| good	5.786 \| good	25.341 \| good	32.648 \| good	1.09 \| good	5.129 \| good	0.237 \| good
2025-10-22T19:00:00.000Z	33 \| good	5.431 \| good	24.068 \| good	35.61 \| good	0.588 \| good	5.777 \| good	0.251 \| good
2025-10-22T19:00:00.000Z	33 \| good	5.431 \| good	24.068 \| good	35.61 \| good	0.588 \| good	5.777 \| good	0.251 \| good
2025-10-22T20:00:00.000Z	33 \| good	5.005 \| good	21.772 \| good	36.331 \| good	0.776 \| good	3.135 \| good	0.132 \| good
2025-10-22T21:00:00.000Z	35 \| good	4.246 \| good	18.628 \| good	38.047 \| good	0.765 \| good	2.643 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	35 \| good	3.282 \| good	14.486 \| good	38.274 \| good	0.795 \| good	2.937 \| good	0.13 \| good
2025-10-22T23:00:00.000Z	32 \| good	3.979 \| good	17.627 \| good	35.439 \| good	0.825 \| good	3.23 \| good	0.131 \| good
2025-10-23T00:00:00.000Z	33 \| good	4.093 \| good	17.898 \| good	36.461 \| good	0.855 \| good	3.523 \| good	0.132 \| good
2025-10-23T01:00:00.000Z	31 \| good	3.699 \| good	15.979 \| good	33.381 \| good	1.021 \| good	8.234 \| good	0.158 \| good
2025-10-23T02:00:00.000Z	28 \| good	4.052 \| good	17.767 \| good	30.458 \| good	1.187 \| good	12.946 \| good	0.183 \| good
2025-10-23T03:00:00.000Z	27 \| good	5.402 \| good	23.001 \| good	26.408 \| good	1.353 \| good	17.657 \| good	0.209 \| good
2025-10-23T04:00:00.000Z	33 \| good	5.913 \| good	25.494 \| good	24.048 \| good	1.406 \| good	20.26 \| good	0.223 \| good
2025-10-23T05:00:00.000Z	27 \| good	5.195 \| good	22.172 \| good	21.644 \| good	1.46 \| good	22.863 \| good	0.237 \| good
2025-10-23T06:00:00.000Z	27 \| good	4.607 \| good	20.214 \| good	21.722 \| good	1.514 \| good	25.466 \| good	0.251 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.343 \| good	19.079 \| good	21.43 \| good	1.429 \| good	22.919 \| good	0.238 \| good
2025-10-23T08:00:00.000Z	22 \| good	3.737 \| good	16.159 \| good	20.116 \| good	1.345 \| good	20.372 \| good	0.224 \| good
2025-10-23T09:00:00.000Z	22 \| good	3.789 \| good	16.198 \| good	19.529 \| good	1.26 \| good	17.825 \| good	0.21 \| good
2025-10-23T10:00:00.000Z	22 \| good	3.759 \| good	16.214 \| good	18.296 \| good	1.128 \| good	14.915 \| good	0.196 \| good
2025-10-23T11:00:00.000Z	22 \| good	4.012 \| good	17.865 \| good	17.52 \| good	0.997 \| good	12.005 \| good	0.181 \| good
2025-10-23T12:00:00.000Z	27 \| good	4.756 \| good	20.925 \| good	17.547 \| good	0.865 \| good	9.096 \| good	0.166 \| good
2025-10-23T13:00:00.000Z	22 \| good	3.881 \| good	16.982 \| good	19.961 \| good	0.918 \| good	11.12 \| good	0.182 \| good
2025-10-23T14:00:00.000Z	18 \| good	3.341 \| good	14.941 \| good	18.561 \| good	0.971 \| good	13.145 \| good	0.198 \| good
2025-10-23T15:00:00.000Z	21 \| good	2.556 \| good	10.242 \| good	22.515 \| good	1.023 \| good	15.169 \| good	0.214 \| good
2025-10-23T16:00:00.000Z	19 \| good	3.044 \| good	12.241 \| good	20.276 \| good	1.127 \| good	12.059 \| good	0.196 \| good
2025-10-23T17:00:00.000Z	27 \| good	4.882 \| good	20.923 \| good	24.452 \| good	1.231 \| good	8.949 \| good	0.179 \| good
2025-10-23T18:00:00.000Z	27 \| good	5.243 \| good	22.89 \| good	27.744 \| good	1.335 \| good	5.839 \| good	0.162 \| good
2025-10-23T19:00:00.000Z	29 \| good	5.377 \| good	22.89 \| good	31.352 \| good	1.405 \| good	5.411 \| good	0.16 \| good
2025-10-23T20:00:00.000Z	32 \| good	5.467 \| good	23.528 \| good	35.395 \| good	1.474 \| good	4.983 \| good	0.158 \| good
2025-10-23T21:00:00.000Z	36 \| good	4.934 \| good	21.191 \| good	38.888 \| good	1.544 \| good	4.555 \| good	0.155 \| good
2025-10-23T22:00:00.000Z	39 \| good	4.836 \| good	21.063 \| good	41.558 \| good	1.601 \| good	5.004 \| good	0.156 \| good
2025-10-23T23:00:00.000Z	39 \| good	5.93 \| good	26.128 \| good	41.794 \| good	1.659 \| good	5.452 \| good	0.157 \| good
2025-10-24T00:00:00.000Z	38 \| good	6.978 \| good	31.063 \| good	41.362 \| good	1.716 \| good	5.901 \| good	0.158 \| good
2025-10-24T01:00:00.000Z	44 \| good	8.156 \| good	36.007 \| good	34.372 \| good	1.743 \| good	12.084 \| good	0.192 \| good
2025-10-24T02:00:00.000Z	49 \| good	9.289 \| good	41.66 \| good	25.729 \| good	1.77 \| good	18.267 \| good	0.226 \| good
2025-10-24T03:00:00.000Z	52 \| moderate	9.643 \| good	42.767 \| good	21.941 \| good	1.797 \| good	24.45 \| good	0.26 \| good
2025-10-24T04:00:00.000Z	52 \| moderate	9.854 \| good	43.854 \| good	19.804 \| good	1.821 \| good	26.164 \| good	0.276 \| good
2025-10-24T05:00:00.000Z	49 \| good	9.396 \| good	41.857 \| good	17.354 \| good	1.844 \| good	27.878 \| good	0.292 \| good
2025-10-24T06:00:00.000Z	49 \| good	8.638 \| good	37.953 \| good	16.885 \| good	1.868 \| good	29.592 \| good	0.307 \| good
2025-10-24T07:00:00.000Z	49 \| good	8.867 \| good	39.578 \| good	15.794 \| good	1.744 \| good	28.686 \| good	0.291 \| good
2025-10-24T08:00:00.000Z	44 \| good	8.225 \| good	36.246 \| good	14.999 \| good	1.621 \| good	27.781 \| good	0.275 \| good
2025-10-24T09:00:00.000Z	44 \| good	8.415 \| good	37.239 \| good	14.695 \| good	1.497 \| good	26.875 \| good	0.259 \| good
2025-10-24T10:00:00.000Z	44 \| good	7.892 \| good	34.942 \| good	15.01 \| good	1.462 \| good	24.628 \| good	0.243 \| good
2025-10-24T11:00:00.000Z	38 \| good	7.482 \| good	32.922 \| good	16.474 \| good	1.426 \| good	22.38 \| good	0.227 \| good
2025-10-24T12:00:00.000Z	44 \| good	7.562 \| good	33.122 \| good	14.946 \| good	1.39 \| good	20.133 \| good	0.211 \| good
2025-10-24T13:00:00.000Z	44 \| good	7.559 \| good	33.062 \| good	15.723 \| good	1.438 \| good	20.098 \| good	0.219 \| good
2025-10-24T14:00:00.000Z	49 \| good	8.955 \| good	39.875 \| good	12.16 \| good	1.486 \| good	20.062 \| good	0.226 \| good
2025-10-24T15:00:00.000Z	52 \| moderate	10.489 \| good	46.327 \| good	16.514 \| good	1.534 \| good	20.027 \| good	0.234 \| good
2025-10-24T16:00:00.000Z	38 \| good	7.149 \| good	31.483 \| good	19.765 \| good	1.539 \| good	15.524 \| good	0.203 \| good
2025-10-24T17:00:00.000Z	33 \| good	6.285 \| good	27.637 \| good	23.897 \| good	1.544 \| good	11.021 \| good	0.172 \| good
2025-10-24T18:00:00.000Z	27 \| good	4.668 \| good	20.531 \| good	26.895 \| good	1.55 \| good	6.518 \| good	0.141 \| good
2025-10-24T19:00:00.000Z	27 \| good	4.867 \| good	20.784 \| good	27.312 \| good	1.443 \| good	5.562 \| good	0.134 \| good

Fremont

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Fremont, California air quality map: Track AQI near you

0.21ppm

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 Fremont, California updated?

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

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

The worst air quality in Fremont, California in the last 24 hours was observed at 03:00:00 on 2025-10-22.

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

In the last 24 hrs, the best air quality in Fremont, California was observed at 06:00:00 on 2025-10-22.

What is the current air quality in Fremont, California?

The current air quality in Fremont, California is 33, categorized as Good based on real-time data.

What pollutant is the most common in Fremont, California?

The most common pollutant in Fremont, California is O3.

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

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

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

The current PM_2.5 concentration at Fremont, California is 5.431 μg/m³.

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

The current PM₁₀ concentration at Fremont, California is 24.068 μg/m³.

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

The current carbon monoxide (CO) concentration at Fremont, California is 0.251 ppm.

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

The current sulfur dioxide (SO₂) concentration at Fremont, California is 0.588 ppb.

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

The current ozone (O₃) concentration at Fremont, California is 35.61 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Fremont, California is 5.777 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T20:00:00.000Z	33 \| good	6.127 \| good	26.75 \| good	31.98 \| good	0.655 \| good	6.875 \| good	0.269 \| good
2025-10-20T21:00:00.000Z	33 \| good	5.836 \| good	24.932 \| good	34.097 \| good	0.63 \| good	4.19 \| good	0.246 \| good
2025-10-20T22:00:00.000Z	34 \| good	3.469 \| good	19.324 \| good	36.671 \| good	0.604 \| good	5.064 \| good	0.297 \| good
2025-10-20T23:00:00.000Z	38 \| good	6.653 \| good	25.893 \| good	38.115 \| good	0.586 \| good	4.752 \| good	0.295 \| good
2025-10-21T00:00:00.000Z	37 \| good	5.454 \| good	23.754 \| good	39.615 \| good	0.543 \| good	4.758 \| good	0.274 \| good
2025-10-21T01:00:00.000Z	37 \| good	5.402 \| good	23.122 \| good	39.514 \| good	0.563 \| good	7.368 \| good	0.23 \| good
2025-10-21T02:00:00.000Z	36 \| good	5.715 \| good	22.044 \| good	39.485 \| good	0.857 \| good	4.753 \| good	0.207 \| good
2025-10-21T03:00:00.000Z	60 \| moderate	14.239 \| fine	63.676 \| fine	21.153 \| good	1.625 \| good	41.432 \| good	0.446 \| good
2025-10-21T04:00:00.000Z	38 \| good	6.904 \| good	27.886 \| good	38.689 \| good	0.809 \| good	20.275 \| good	0.374 \| good
2025-10-21T05:00:00.000Z	38 \| good	7.497 \| good	32.979 \| good	34.97 \| good	0.805 \| good	22.557 \| good	0.571 \| good
2025-10-21T06:00:00.000Z	52 \| moderate	10.41 \| good	40.268 \| good	31.17 \| good	0.751 \| good	17.939 \| good	0.557 \| good
2025-10-21T07:00:00.000Z	54 \| moderate	11.082 \| good	52.046 \| good	30.242 \| good	0.724 \| good	15.185 \| good	0.48 \| good
2025-10-21T08:00:00.000Z	54 \| moderate	10.961 \| good	46.394 \| good	30.19 \| good	0.738 \| good	13.918 \| good	0.433 \| good
2025-10-21T09:00:00.000Z	49 \| good	9.445 \| good	30.602 \| good	29.092 \| good	0.775 \| good	11.456 \| good	0.422 \| good
2025-10-21T10:00:00.000Z	49 \| good	8.699 \| good	36.275 \| good	28.401 \| good	0.8 \| good	11.928 \| good	0.395 \| good
2025-10-21T11:00:00.000Z	38 \| good	7.205 \| good	26.673 \| good	32.667 \| good	0.78 \| good	13.535 \| good	0.429 \| good
2025-10-21T12:00:00.000Z	38 \| good	6.827 \| good	27.574 \| good	30.548 \| good	0.782 \| good	11.215 \| good	0.429 \| good
2025-10-21T13:00:00.000Z	38 \| good	6.548 \| good	26.08 \| good	27.862 \| good	0.833 \| good	13.371 \| good	0.452 \| good
2025-10-21T14:00:00.000Z	33 \| good	5.986 \| good	28.675 \| good	24.332 \| good	0.665 \| good	13.683 \| good	0.507 \| good
2025-10-21T15:00:00.000Z	38 \| good	7.229 \| good	23.405 \| good	27.754 \| good	0.749 \| good	18.275 \| good	0.596 \| good
2025-10-21T16:00:00.000Z	38 \| good	6.912 \| good	28.392 \| good	22.901 \| good	0.749 \| good	20.043 \| good	0.636 \| good
2025-10-21T17:00:00.000Z	44 \| good	8.091 \| good	37.401 \| good	25.63 \| good	0.871 \| good	19.497 \| good	0.733 \| good
2025-10-21T18:00:00.000Z	44 \| good	8.302 \| good	31.502 \| good	24.767 \| good	1.384 \| good	17.368 \| good	0.507 \| good
2025-10-21T19:00:00.000Z	52 \| moderate	9.812 \| good	43.617 \| good	27.535 \| good	1.496 \| good	13.794 \| good	0.447 \| good
2025-10-21T20:00:00.000Z	52 \| moderate	9.566 \| good	34.79 \| good	30.841 \| good	1.128 \| good	8.552 \| good	0.307 \| good
2025-10-21T21:00:00.000Z	38 \| good	7.465 \| good	35.729 \| good	35.318 \| good	1.099 \| good	8.573 \| good	0.333 \| good
2025-10-21T22:00:00.000Z	52 \| moderate	9.903 \| good	35.939 \| good	37.657 \| good	0.931 \| good	5.205 \| good	0.294 \| good
2025-10-21T23:00:00.000Z	49 \| good	8.538 \| good	37.846 \| good	39.871 \| good	0.801 \| good	4.303 \| good	0.252 \| good
2025-10-22T00:00:00.000Z	49 \| good	8.5 \| good	37.515 \| good	37.578 \| good	0.667 \| good	5.844 \| good	0.295 \| good
2025-10-22T01:00:00.000Z	38 \| good	7.091 \| good	29.83 \| good	39.609 \| good	0.721 \| good	7.627 \| good	0.355 \| good
2025-10-22T02:00:00.000Z	44 \| good	7.703 \| good	39.304 \| good	38.7 \| good	0.642 \| good	9.667 \| good	0.399 \| good
2025-10-22T03:00:00.000Z	58 \| moderate	12.805 \| fine	58.005 \| fine	32.622 \| good	2.436 \| good	35.953 \| good	0.373 \| good
2025-10-22T04:00:00.000Z	44 \| good	8.117 \| good	35.592 \| good	37.11 \| good	0.686 \| good	8.424 \| good	0.282 \| good
2025-10-22T05:00:00.000Z	54 \| moderate	10.81 \| good	45.318 \| good	37.339 \| good	0.659 \| good	7.937 \| good	0.271 \| good
2025-10-22T06:00:00.000Z	49 \| good	8.965 \| good	36.56 \| good	36.552 \| good	0.596 \| good	7.773 \| good	0.263 \| good
2025-10-22T07:00:00.000Z	49 \| good	9.187 \| good	45.794 \| good	35.176 \| good	0.583 \| good	7.267 \| good	0.226 \| good
2025-10-22T08:00:00.000Z	52 \| moderate	9.892 \| good	38.401 \| good	32.353 \| good	0.534 \| good	5.585 \| good	0.32 \| good
2025-10-22T09:00:00.000Z	52 \| moderate	9.584 \| good	48.47 \| good	31.561 \| good	0.544 \| good	4.511 \| good	0.214 \| good
2025-10-22T10:00:00.000Z	44 \| good	8.275 \| good	39.082 \| good	32.805 \| good	0.548 \| good	3.212 \| good	0.215 \| good
2025-10-22T11:00:00.000Z	49 \| good	8.737 \| good	36.166 \| good	32.21 \| good	0.559 \| good	3.02 \| good	0.197 \| good
2025-10-22T12:00:00.000Z	38 \| good	7.479 \| good	30.657 \| good	30.976 \| good	0.6 \| good	3.438 \| good	0.18 \| good
2025-10-22T13:00:00.000Z	44 \| good	7.453 \| good	47.37 \| good	29.621 \| good	0.496 \| good	4.781 \| good	0.215 \| good
2025-10-22T14:00:00.000Z	38 \| good	6.638 \| good	28.264 \| good	29.372 \| good	0.844 \| good	4.604 \| good	0.184 \| good
2025-10-22T15:00:00.000Z	33 \| good	5.958 \| good	24.547 \| good	30.007 \| good	0.798 \| good	4.882 \| good	0.223 \| good
2025-10-22T16:00:00.000Z	33 \| good	6.018 \| good	24.704 \| good	29.535 \| good	0.802 \| good	6.024 \| good	0.216 \| good
2025-10-22T17:00:00.000Z	33 \| good	6.006 \| good	26.887 \| good	30.019 \| good	1.1 \| good	5.949 \| good	0.309 \| good
2025-10-22T18:00:00.000Z	33 \| good	5.786 \| good	25.341 \| good	32.648 \| good	1.09 \| good	5.129 \| good	0.237 \| good
2025-10-22T19:00:00.000Z	33 \| good	5.431 \| good	24.068 \| good	35.61 \| good	0.588 \| good	5.777 \| good	0.251 \| good
2025-10-22T19:00:00.000Z	33 \| good	5.431 \| good	24.068 \| good	35.61 \| good	0.588 \| good	5.777 \| good	0.251 \| good
2025-10-22T20:00:00.000Z	33 \| good	5.005 \| good	21.772 \| good	36.331 \| good	0.776 \| good	3.135 \| good	0.132 \| good
2025-10-22T21:00:00.000Z	35 \| good	4.246 \| good	18.628 \| good	38.047 \| good	0.765 \| good	2.643 \| good	0.129 \| good
2025-10-22T22:00:00.000Z	35 \| good	3.282 \| good	14.486 \| good	38.274 \| good	0.795 \| good	2.937 \| good	0.13 \| good
2025-10-22T23:00:00.000Z	32 \| good	3.979 \| good	17.627 \| good	35.439 \| good	0.825 \| good	3.23 \| good	0.131 \| good
2025-10-23T00:00:00.000Z	33 \| good	4.093 \| good	17.898 \| good	36.461 \| good	0.855 \| good	3.523 \| good	0.132 \| good
2025-10-23T01:00:00.000Z	31 \| good	3.699 \| good	15.979 \| good	33.381 \| good	1.021 \| good	8.234 \| good	0.158 \| good
2025-10-23T02:00:00.000Z	28 \| good	4.052 \| good	17.767 \| good	30.458 \| good	1.187 \| good	12.946 \| good	0.183 \| good
2025-10-23T03:00:00.000Z	27 \| good	5.402 \| good	23.001 \| good	26.408 \| good	1.353 \| good	17.657 \| good	0.209 \| good
2025-10-23T04:00:00.000Z	33 \| good	5.913 \| good	25.494 \| good	24.048 \| good	1.406 \| good	20.26 \| good	0.223 \| good
2025-10-23T05:00:00.000Z	27 \| good	5.195 \| good	22.172 \| good	21.644 \| good	1.46 \| good	22.863 \| good	0.237 \| good
2025-10-23T06:00:00.000Z	27 \| good	4.607 \| good	20.214 \| good	21.722 \| good	1.514 \| good	25.466 \| good	0.251 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.343 \| good	19.079 \| good	21.43 \| good	1.429 \| good	22.919 \| good	0.238 \| good
2025-10-23T08:00:00.000Z	22 \| good	3.737 \| good	16.159 \| good	20.116 \| good	1.345 \| good	20.372 \| good	0.224 \| good
2025-10-23T09:00:00.000Z	22 \| good	3.789 \| good	16.198 \| good	19.529 \| good	1.26 \| good	17.825 \| good	0.21 \| good
2025-10-23T10:00:00.000Z	22 \| good	3.759 \| good	16.214 \| good	18.296 \| good	1.128 \| good	14.915 \| good	0.196 \| good
2025-10-23T11:00:00.000Z	22 \| good	4.012 \| good	17.865 \| good	17.52 \| good	0.997 \| good	12.005 \| good	0.181 \| good
2025-10-23T12:00:00.000Z	27 \| good	4.756 \| good	20.925 \| good	17.547 \| good	0.865 \| good	9.096 \| good	0.166 \| good
2025-10-23T13:00:00.000Z	22 \| good	3.881 \| good	16.982 \| good	19.961 \| good	0.918 \| good	11.12 \| good	0.182 \| good
2025-10-23T14:00:00.000Z	18 \| good	3.341 \| good	14.941 \| good	18.561 \| good	0.971 \| good	13.145 \| good	0.198 \| good
2025-10-23T15:00:00.000Z	21 \| good	2.556 \| good	10.242 \| good	22.515 \| good	1.023 \| good	15.169 \| good	0.214 \| good
2025-10-23T16:00:00.000Z	19 \| good	3.044 \| good	12.241 \| good	20.276 \| good	1.127 \| good	12.059 \| good	0.196 \| good
2025-10-23T17:00:00.000Z	27 \| good	4.882 \| good	20.923 \| good	24.452 \| good	1.231 \| good	8.949 \| good	0.179 \| good
2025-10-23T18:00:00.000Z	27 \| good	5.243 \| good	22.89 \| good	27.744 \| good	1.335 \| good	5.839 \| good	0.162 \| good
2025-10-23T19:00:00.000Z	29 \| good	5.377 \| good	22.89 \| good	31.352 \| good	1.405 \| good	5.411 \| good	0.16 \| good
2025-10-23T20:00:00.000Z	32 \| good	5.467 \| good	23.528 \| good	35.395 \| good	1.474 \| good	4.983 \| good	0.158 \| good
2025-10-23T21:00:00.000Z	36 \| good	4.934 \| good	21.191 \| good	38.888 \| good	1.544 \| good	4.555 \| good	0.155 \| good
2025-10-23T22:00:00.000Z	39 \| good	4.836 \| good	21.063 \| good	41.558 \| good	1.601 \| good	5.004 \| good	0.156 \| good
2025-10-23T23:00:00.000Z	39 \| good	5.93 \| good	26.128 \| good	41.794 \| good	1.659 \| good	5.452 \| good	0.157 \| good
2025-10-24T00:00:00.000Z	38 \| good	6.978 \| good	31.063 \| good	41.362 \| good	1.716 \| good	5.901 \| good	0.158 \| good
2025-10-24T01:00:00.000Z	44 \| good	8.156 \| good	36.007 \| good	34.372 \| good	1.743 \| good	12.084 \| good	0.192 \| good
2025-10-24T02:00:00.000Z	49 \| good	9.289 \| good	41.66 \| good	25.729 \| good	1.77 \| good	18.267 \| good	0.226 \| good
2025-10-24T03:00:00.000Z	52 \| moderate	9.643 \| good	42.767 \| good	21.941 \| good	1.797 \| good	24.45 \| good	0.26 \| good
2025-10-24T04:00:00.000Z	52 \| moderate	9.854 \| good	43.854 \| good	19.804 \| good	1.821 \| good	26.164 \| good	0.276 \| good
2025-10-24T05:00:00.000Z	49 \| good	9.396 \| good	41.857 \| good	17.354 \| good	1.844 \| good	27.878 \| good	0.292 \| good
2025-10-24T06:00:00.000Z	49 \| good	8.638 \| good	37.953 \| good	16.885 \| good	1.868 \| good	29.592 \| good	0.307 \| good
2025-10-24T07:00:00.000Z	49 \| good	8.867 \| good	39.578 \| good	15.794 \| good	1.744 \| good	28.686 \| good	0.291 \| good
2025-10-24T08:00:00.000Z	44 \| good	8.225 \| good	36.246 \| good	14.999 \| good	1.621 \| good	27.781 \| good	0.275 \| good
2025-10-24T09:00:00.000Z	44 \| good	8.415 \| good	37.239 \| good	14.695 \| good	1.497 \| good	26.875 \| good	0.259 \| good
2025-10-24T10:00:00.000Z	44 \| good	7.892 \| good	34.942 \| good	15.01 \| good	1.462 \| good	24.628 \| good	0.243 \| good
2025-10-24T11:00:00.000Z	38 \| good	7.482 \| good	32.922 \| good	16.474 \| good	1.426 \| good	22.38 \| good	0.227 \| good
2025-10-24T12:00:00.000Z	44 \| good	7.562 \| good	33.122 \| good	14.946 \| good	1.39 \| good	20.133 \| good	0.211 \| good
2025-10-24T13:00:00.000Z	44 \| good	7.559 \| good	33.062 \| good	15.723 \| good	1.438 \| good	20.098 \| good	0.219 \| good
2025-10-24T14:00:00.000Z	49 \| good	8.955 \| good	39.875 \| good	12.16 \| good	1.486 \| good	20.062 \| good	0.226 \| good
2025-10-24T15:00:00.000Z	52 \| moderate	10.489 \| good	46.327 \| good	16.514 \| good	1.534 \| good	20.027 \| good	0.234 \| good
2025-10-24T16:00:00.000Z	38 \| good	7.149 \| good	31.483 \| good	19.765 \| good	1.539 \| good	15.524 \| good	0.203 \| good
2025-10-24T17:00:00.000Z	33 \| good	6.285 \| good	27.637 \| good	23.897 \| good	1.544 \| good	11.021 \| good	0.172 \| good
2025-10-24T18:00:00.000Z	27 \| good	4.668 \| good	20.531 \| good	26.895 \| good	1.55 \| good	6.518 \| good	0.141 \| good
2025-10-24T19:00:00.000Z	27 \| good	4.867 \| good	20.784 \| good	27.312 \| good	1.443 \| good	5.562 \| good	0.134 \| good

Fremont, California live air quality index now

Major air pollutants in Fremont, 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

Newark, California

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Milpitas, California

Fairview, California

Hayward, California

Pleasanton, 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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