What are the current PM10 levels at Folsom, California?

The current PM10 levels in Folsom, California are 28.746 μg/m3.

What are the current sulfur dioxide (SO2) levels at Folsom, California?

The current sulfur dioxide (SO2) levels in Folsom, California are 1.646 ppb.

What are the current ozone (O3) levels at Folsom, California?

The current ozone (O3) levels at Folsom, California is 32.095 ppm.

What are the current nitrogen dioxide (NO2) levels at Folsom, California?

The current nitrogen dioxide (NO2) levels at Folsom, California is 1.048 ppb.

Real-time air quality index in Folsom, California today

Q: What are the current PM2.5 levels in Folsom, California?

The measured PM2.5 levels in Folsom, California at present are 6.684 μg/m3.

Stay updated with real-time air quality in Folsom, 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

Folsom, California

Last updated: ... (Local time)

Common air pollutants in Folsom, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.68 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.75 μg/m³

155

255

425

605+

Ozone (O₃)

32.09 ppb

201

201+

Sulfur Dioxide (SO₂)

1.65 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Folsom, California

Get Live Pollen Counts

Folsom, California

Scroll To Air Quality Map

Track live Folsom, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-21T01:00:00.000Z	38 \| good	7.363 \| good	32.419 \| good	40.897 \| good	0.507 \| good	1.129 \| good	0.306 \| good
2025-10-21T02:00:00.000Z	37 \| good	4.624 \| good	20.351 \| good	39.821 \| good	0.683 \| good	2.175 \| good	0.319 \| good
2025-10-21T03:00:00.000Z	56 \| moderate	11.602 \| good	51.685 \| good	23.664 \| good	0.989 \| good	28.008 \| good	0.346 \| good
2025-10-21T04:00:00.000Z	34 \| good	5.786 \| good	25.84 \| good	36.765 \| good	0.707 \| good	3.453 \| good	0.467 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.768 \| good	27.003 \| good	34.706 \| good	0.776 \| good	3.529 \| good	0.543 \| good
2025-10-21T06:00:00.000Z	44 \| good	8.059 \| good	28.016 \| good	33.644 \| good	0.751 \| good	2.439 \| good	0.572 \| good
2025-10-21T07:00:00.000Z	49 \| good	9.331 \| good	17.677 \| good	33.595 \| good	0.694 \| good	2.324 \| good	0.597 \| good
2025-10-21T08:00:00.000Z	49 \| good	8.673 \| good	31.905 \| good	29.697 \| good	0.709 \| good	1.238 \| good	0.554 \| good
2025-10-21T09:00:00.000Z	49 \| good	9.464 \| good	43.538 \| good	26.736 \| good	0.822 \| good	8.224 \| good	0.531 \| good
2025-10-21T10:00:00.000Z	44 \| good	7.817 \| good	35.222 \| good	23.792 \| good	0.837 \| good	1.236 \| good	0.488 \| good
2025-10-21T11:00:00.000Z	44 \| good	7.776 \| good	35.785 \| good	21.836 \| good	0.817 \| good	8.79 \| good	0.431 \| good
2025-10-21T12:00:00.000Z	49 \| good	9.313 \| good	23.202 \| good	21.805 \| good	0.817 \| good	7.442 \| good	0.431 \| good
2025-10-21T13:00:00.000Z	49 \| good	8.952 \| good	14.783 \| good	21.786 \| good	0.786 \| good	6.739 \| good	0.431 \| good
2025-10-21T14:00:00.000Z	49 \| good	9.313 \| good	27.016 \| good	20.792 \| good	0.693 \| good	1.195 \| good	0.53 \| good
2025-10-21T15:00:00.000Z	44 \| good	7.778 \| good	26.805 \| good	22.726 \| good	0.673 \| good	2.253 \| good	0.524 \| good
2025-10-21T16:00:00.000Z	52 \| moderate	9.878 \| good	24.862 \| good	21.741 \| good	0.709 \| good	3.415 \| good	0.582 \| good
2025-10-21T17:00:00.000Z	49 \| good	9.464 \| good	36.451 \| good	24.767 \| good	0.845 \| good	14.473 \| good	0.57 \| good
2025-10-21T18:00:00.000Z	49 \| good	8.634 \| good	35.665 \| good	24.833 \| good	1.235 \| good	12.047 \| good	0.352 \| good
2025-10-21T19:00:00.000Z	23 \| good	4.334 \| good	15.31 \| good	24.945 \| good	1.422 \| good	9.784 \| good	0.289 \| good
2025-10-21T20:00:00.000Z	38 \| good	6.631 \| good	26.18 \| good	25.088 \| good	1.091 \| good	6.02 \| good	0.251 \| good
2025-10-21T21:00:00.000Z	38 \| good	7.005 \| good	23.571 \| good	37.849 \| good	1.062 \| good	1.099 \| good	0.251 \| good
2025-10-21T22:00:00.000Z	39 \| good	7.193 \| good	23.703 \| good	41.808 \| good	0.835 \| good	4.542 \| good	0.281 \| good
2025-10-21T23:00:00.000Z	43 \| good	5.549 \| good	15.396 \| good	45.827 \| good	0.684 \| good	1.078 \| good	0.238 \| good
2025-10-22T00:00:00.000Z	44 \| good	6.443 \| good	29.78 \| good	47.822 \| good	0.607 \| good	1.094 \| good	0.225 \| good
2025-10-22T01:00:00.000Z	44 \| good	6.548 \| good	31.531 \| good	46.848 \| good	0.678 \| good	1.153 \| good	0.293 \| good
2025-10-22T02:00:00.000Z	43 \| good	7.015 \| good	30.005 \| good	45.767 \| good	0.587 \| good	2.265 \| good	0.442 \| good
2025-10-22T03:00:00.000Z	56 \| moderate	11.948 \| good	53.365 \| good	31.268 \| good	1.098 \| good	23.941 \| good	0.337 \| good
2025-10-22T04:00:00.000Z	49 \| good	8.617 \| good	39.095 \| good	40.746 \| good	0.604 \| good	2.554 \| good	0.467 \| good
2025-10-22T05:00:00.000Z	49 \| good	9.196 \| good	26.65 \| good	37.645 \| good	0.681 \| good	2.517 \| good	0.411 \| good
2025-10-22T06:00:00.000Z	52 \| moderate	10.403 \| good	33.502 \| good	33.594 \| good	0.625 \| good	2.388 \| good	0.268 \| good
2025-10-22T07:00:00.000Z	49 \| good	8.823 \| good	37.768 \| good	25.768 \| good	0.602 \| good	7.109 \| good	0.225 \| good
2025-10-22T08:00:00.000Z	44 \| good	7.929 \| good	47.672 \| good	25.757 \| good	0.563 \| good	4.094 \| good	0.182 \| good
2025-10-22T09:00:00.000Z	54 \| moderate	11.036 \| good	34.603 \| good	24.771 \| good	0.563 \| good	2.148 \| good	0.225 \| good
2025-10-22T10:00:00.000Z	52 \| moderate	9.872 \| good	28.404 \| good	22.901 \| good	0.574 \| good	2.033 \| good	0.168 \| good
2025-10-22T11:00:00.000Z	44 \| good	8.272 \| good	29.864 \| good	23.039 \| good	0.529 \| good	1.074 \| good	0.168 \| good
2025-10-22T12:00:00.000Z	49 \| good	9.332 \| good	25.755 \| good	25.994 \| good	0.549 \| good	6.446 \| good	0.211 \| good
2025-10-22T13:00:00.000Z	44 \| good	8.273 \| good	36.391 \| good	27.905 \| good	0.486 \| good	1.065 \| good	0.211 \| good
2025-10-22T14:00:00.000Z	33 \| good	6.014 \| good	22.713 \| good	30.842 \| good	0.865 \| good	2.025 \| good	0.168 \| good
2025-10-22T15:00:00.000Z	52 \| moderate	9.819 \| good	38.306 \| good	32.828 \| good	0.823 \| good	1.125 \| good	0.211 \| good
2025-10-22T16:00:00.000Z	38 \| good	6.551 \| good	25.729 \| good	33.862 \| good	0.84 \| good	2.107 \| good	0.211 \| good
2025-10-22T17:00:00.000Z	38 \| good	6.758 \| good	24.576 \| good	32.012 \| good	1.131 \| good	1.156 \| good	0.225 \| good
2025-10-22T18:00:00.000Z	38 \| good	6.989 \| good	22.011 \| good	31.081 \| good	1.152 \| good	1.103 \| good	0.211 \| good
2025-10-22T19:00:00.000Z	33 \| good	6.159 \| good	28.203 \| good	32.051 \| good	0.607 \| good	1.076 \| good	0.225 \| good
2025-10-22T20:00:00.000Z	44 \| good	7.652 \| good	34.33 \| good	33.976 \| good	0.446 \| good	1.068 \| good	0.225 \| good
2025-10-22T21:00:00.000Z	32 \| good	5.052 \| good	23.625 \| good	34.976 \| good	0.423 \| good	1.045 \| good	0.212 \| good
2025-10-22T22:00:00.000Z	38 \| good	7.271 \| good	23.721 \| good	35.028 \| good	0.521 \| good	1.054 \| good	0.211 \| good
2025-10-22T23:00:00.000Z	38 \| good	6.96 \| good	28.793 \| good	33.067 \| good	0.626 \| good	1.063 \| good	0.211 \| good
2025-10-23T00:00:00.000Z	38 \| good	6.684 \| good	28.746 \| good	32.095 \| good	1.646 \| good	1.048 \| good	0.211 \| good
2025-10-23T00:00:00.000Z	38 \| good	6.684 \| good	28.746 \| good	32.095 \| good	1.646 \| good	1.048 \| good	0.211 \| good
2025-10-23T01:00:00.000Z	33 \| good	3.577 \| good	15.837 \| good	35.931 \| good	0.981 \| good	6.365 \| good	0.166 \| good
2025-10-23T02:00:00.000Z	33 \| good	5.538 \| good	24.075 \| good	29.671 \| good	1.03 \| good	8.958 \| good	0.187 \| good
2025-10-23T03:00:00.000Z	33 \| good	5.738 \| good	24.811 \| good	26.706 \| good	1.078 \| good	11.551 \| good	0.209 \| good
2025-10-23T04:00:00.000Z	33 \| good	5.565 \| good	24.181 \| good	25.05 \| good	1.111 \| good	11.903 \| good	0.217 \| good
2025-10-23T05:00:00.000Z	27 \| good	5.259 \| good	22.836 \| good	24.308 \| good	1.144 \| good	12.254 \| good	0.225 \| good
2025-10-23T06:00:00.000Z	27 \| good	4.824 \| good	21.01 \| good	24.48 \| good	1.177 \| good	12.605 \| good	0.233 \| good
2025-10-23T07:00:00.000Z	27 \| good	5.03 \| good	21.74 \| good	23.055 \| good	1.144 \| good	12.532 \| good	0.236 \| good
2025-10-23T08:00:00.000Z	33 \| good	6.195 \| good	27.503 \| good	22.99 \| good	1.11 \| good	12.459 \| good	0.239 \| good
2025-10-23T09:00:00.000Z	38 \| good	6.537 \| good	29.127 \| good	21.565 \| good	1.077 \| good	12.386 \| good	0.243 \| good
2025-10-23T10:00:00.000Z	33 \| good	6.038 \| good	26.443 \| good	19.271 \| good	1.013 \| good	12.138 \| good	0.241 \| good
2025-10-23T11:00:00.000Z	27 \| good	5.167 \| good	22.493 \| good	21.027 \| good	0.949 \| good	11.891 \| good	0.24 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.338 \| good	27.938 \| good	16.919 \| good	0.885 \| good	11.643 \| good	0.238 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.494 \| good	32.996 \| good	13.911 \| good	0.942 \| good	11.485 \| good	0.237 \| good
2025-10-23T14:00:00.000Z	33 \| good	6.362 \| good	27.843 \| good	14.266 \| good	0.998 \| good	11.327 \| good	0.236 \| good
2025-10-23T15:00:00.000Z	33 \| good	5.913 \| good	26.119 \| good	15.447 \| good	1.054 \| good	11.169 \| good	0.234 \| good
2025-10-23T16:00:00.000Z	22 \| good	3.693 \| good	16.051 \| good	21.161 \| good	1.16 \| good	9.175 \| good	0.223 \| good
2025-10-23T17:00:00.000Z	23 \| good	3.643 \| good	15.748 \| good	24.786 \| good	1.266 \| good	7.181 \| good	0.211 \| good
2025-10-23T18:00:00.000Z	28 \| good	5.045 \| good	22.093 \| good	30.228 \| good	1.372 \| good	5.187 \| good	0.199 \| good
2025-10-23T19:00:00.000Z	33 \| good	6.393 \| good	28.239 \| good	35.622 \| good	1.389 \| good	4.648 \| good	0.194 \| good
2025-10-23T20:00:00.000Z	38 \| good	6.933 \| good	30.762 \| good	41.111 \| good	1.406 \| good	4.109 \| good	0.189 \| good
2025-10-23T21:00:00.000Z	42 \| good	6.575 \| good	29.301 \| good	44.563 \| good	1.423 \| good	3.57 \| good	0.185 \| good
2025-10-23T22:00:00.000Z	44 \| good	5.83 \| good	25.077 \| good	47.955 \| good	1.407 \| good	3.704 \| good	0.185 \| good
2025-10-23T23:00:00.000Z	45 \| good	5.065 \| good	21.814 \| good	49.011 \| good	1.39 \| good	3.837 \| good	0.186 \| good
2025-10-24T00:00:00.000Z	44 \| good	4.987 \| good	21.443 \| good	46.932 \| good	1.374 \| good	3.971 \| good	0.186 \| good
2025-10-24T01:00:00.000Z	36 \| good	5.883 \| good	26.005 \| good	39.489 \| good	1.421 \| good	7.861 \| good	0.219 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	10.316 \| good	45.603 \| good	32.199 \| good	1.468 \| good	11.752 \| good	0.252 \| good
2025-10-24T03:00:00.000Z	60 \| moderate	14.081 \| fine	63.039 \| fine	28.586 \| good	1.515 \| good	15.642 \| good	0.285 \| good
2025-10-24T04:00:00.000Z	58 \| moderate	13.454 \| fine	59.899 \| fine	29.185 \| good	1.488 \| good	15.938 \| good	0.291 \| good
2025-10-24T05:00:00.000Z	58 \| moderate	12.541 \| fine	55.887 \| fine	28.571 \| good	1.461 \| good	16.234 \| good	0.298 \| good
2025-10-24T06:00:00.000Z	58 \| moderate	12.552 \| fine	56.335 \| fine	27.284 \| good	1.434 \| good	16.531 \| good	0.305 \| good
2025-10-24T07:00:00.000Z	56 \| moderate	12.023 \| good	54.326 \| good	26.532 \| good	1.357 \| good	15.478 \| good	0.299 \| good
2025-10-24T08:00:00.000Z	58 \| moderate	12.829 \| fine	57.596 \| fine	25.293 \| good	1.279 \| good	14.426 \| good	0.294 \| good
2025-10-24T09:00:00.000Z	60 \| moderate	14.267 \| fine	63.837 \| fine	26.243 \| good	1.202 \| good	13.374 \| good	0.288 \| good
2025-10-24T10:00:00.000Z	62 \| moderate	14.807 \| fine	66.449 \| fine	25.49 \| good	1.165 \| good	12.239 \| good	0.278 \| good
2025-10-24T11:00:00.000Z	64 \| moderate	15.683 \| fine	69.913 \| fine	24.874 \| good	1.129 \| good	11.103 \| good	0.268 \| good
2025-10-24T12:00:00.000Z	67 \| moderate	18.037 \| fine	80.115 \| fine	21.914 \| good	1.092 \| good	9.968 \| good	0.258 \| good
2025-10-24T13:00:00.000Z	69 \| moderate	18.819 \| fine	83.302 \| fine	19.039 \| good	1.111 \| good	10.799 \| good	0.267 \| good
2025-10-24T14:00:00.000Z	67 \| moderate	18.326 \| fine	80.988 \| fine	17.771 \| good	1.13 \| good	11.63 \| good	0.277 \| good
2025-10-24T15:00:00.000Z	71 \| moderate	20.356 \| fine	89.503 \| fine	16.423 \| good	1.149 \| good	12.462 \| good	0.286 \| good
2025-10-24T16:00:00.000Z	67 \| moderate	17.983 \| fine	80.067 \| fine	19.546 \| good	1.362 \| good	10.115 \| good	0.251 \| good
2025-10-24T17:00:00.000Z	56 \| moderate	12.086 \| good	53.84 \| good	23.484 \| good	1.574 \| good	7.768 \| good	0.216 \| good
2025-10-24T18:00:00.000Z	54 \| moderate	11.018 \| good	49.436 \| good	30.743 \| good	1.787 \| good	5.421 \| good	0.181 \| good
2025-10-24T19:00:00.000Z	52 \| moderate	10.204 \| good	45.318 \| good	37.575 \| good	1.64 \| good	4.924 \| good	0.166 \| good
2025-10-24T20:00:00.000Z	52 \| moderate	10.453 \| good	46.13 \| good	43.46 \| good	1.493 \| good	4.427 \| good	0.152 \| good
2025-10-24T21:00:00.000Z	52 \| moderate	9.573 \| good	42.562 \| good	44.278 \| good	1.347 \| good	3.93 \| good	0.137 \| good
2025-10-24T22:00:00.000Z	44 \| good	7.973 \| good	35.054 \| good	44.714 \| good	1.304 \| good	4.168 \| good	0.137 \| good
2025-10-24T23:00:00.000Z	42 \| good	6.127 \| good	27.306 \| good	45.046 \| good	1.261 \| good	4.406 \| good	0.136 \| good
2025-10-25T00:00:00.000Z	38 \| good	7.001 \| good	8.755 \| good	40.349 \| good	1.219 \| good	4.638 \| good	0.135 \| good

Folsom

Empower business decisions with accurate air quality data

Folsom, California air quality map: Real-time AQI near you

How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently is the air quality data for Folsom, California updated?

Air quality data for Folsom, California is updated on an hourly basis.

When did Folsom, California experience the worst air quality in the last 24 hours?

The worst air quality in Folsom, California was recorded at 03:00:00 on 2025-10-22.

When did Folsom, California have its best air quality in the last 24 hours?

The best air quality in Folsom, California was recorded at 09:00:00 on 2025-10-22.

What is the real-time air quality index for Folsom, California?

The real-time air quality index in Folsom, California is 38, currently categorized as Good.

Which pollutant is found most often in Folsom, California?

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

What can I do if the air quality in Folsom, California is poor?

If the air quality in Folsom, California is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Folsom, California?

The measured PM_2.5 levels in Folsom, California at present are 6.684 μg/m³.

What are the current PM₁₀ levels at Folsom, California?

The current PM₁₀ levels in Folsom, California are 28.746 μg/m³.

What are the current carbon monoxide (CO) levels at Folsom, California?

The current carbon monoxide (CO) level in Folsom, California is 0.211 ppm.

What are the current sulfur dioxide (SO₂) levels at Folsom, California?

The current sulfur dioxide (SO₂) levels in Folsom, California are 1.646 ppb.

What are the current ozone (O₃) levels at Folsom, California?

The current ozone (O₃) levels at Folsom, California is 32.095 ppm.

What are the current nitrogen dioxide (NO₂) levels at Folsom, California?

The current nitrogen dioxide (NO₂) levels at Folsom, California is 1.048 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-21T01:00:00.000Z	38 \| good	7.363 \| good	32.419 \| good	40.897 \| good	0.507 \| good	1.129 \| good	0.306 \| good
2025-10-21T02:00:00.000Z	37 \| good	4.624 \| good	20.351 \| good	39.821 \| good	0.683 \| good	2.175 \| good	0.319 \| good
2025-10-21T03:00:00.000Z	56 \| moderate	11.602 \| good	51.685 \| good	23.664 \| good	0.989 \| good	28.008 \| good	0.346 \| good
2025-10-21T04:00:00.000Z	34 \| good	5.786 \| good	25.84 \| good	36.765 \| good	0.707 \| good	3.453 \| good	0.467 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.768 \| good	27.003 \| good	34.706 \| good	0.776 \| good	3.529 \| good	0.543 \| good
2025-10-21T06:00:00.000Z	44 \| good	8.059 \| good	28.016 \| good	33.644 \| good	0.751 \| good	2.439 \| good	0.572 \| good
2025-10-21T07:00:00.000Z	49 \| good	9.331 \| good	17.677 \| good	33.595 \| good	0.694 \| good	2.324 \| good	0.597 \| good
2025-10-21T08:00:00.000Z	49 \| good	8.673 \| good	31.905 \| good	29.697 \| good	0.709 \| good	1.238 \| good	0.554 \| good
2025-10-21T09:00:00.000Z	49 \| good	9.464 \| good	43.538 \| good	26.736 \| good	0.822 \| good	8.224 \| good	0.531 \| good
2025-10-21T10:00:00.000Z	44 \| good	7.817 \| good	35.222 \| good	23.792 \| good	0.837 \| good	1.236 \| good	0.488 \| good
2025-10-21T11:00:00.000Z	44 \| good	7.776 \| good	35.785 \| good	21.836 \| good	0.817 \| good	8.79 \| good	0.431 \| good
2025-10-21T12:00:00.000Z	49 \| good	9.313 \| good	23.202 \| good	21.805 \| good	0.817 \| good	7.442 \| good	0.431 \| good
2025-10-21T13:00:00.000Z	49 \| good	8.952 \| good	14.783 \| good	21.786 \| good	0.786 \| good	6.739 \| good	0.431 \| good
2025-10-21T14:00:00.000Z	49 \| good	9.313 \| good	27.016 \| good	20.792 \| good	0.693 \| good	1.195 \| good	0.53 \| good
2025-10-21T15:00:00.000Z	44 \| good	7.778 \| good	26.805 \| good	22.726 \| good	0.673 \| good	2.253 \| good	0.524 \| good
2025-10-21T16:00:00.000Z	52 \| moderate	9.878 \| good	24.862 \| good	21.741 \| good	0.709 \| good	3.415 \| good	0.582 \| good
2025-10-21T17:00:00.000Z	49 \| good	9.464 \| good	36.451 \| good	24.767 \| good	0.845 \| good	14.473 \| good	0.57 \| good
2025-10-21T18:00:00.000Z	49 \| good	8.634 \| good	35.665 \| good	24.833 \| good	1.235 \| good	12.047 \| good	0.352 \| good
2025-10-21T19:00:00.000Z	23 \| good	4.334 \| good	15.31 \| good	24.945 \| good	1.422 \| good	9.784 \| good	0.289 \| good
2025-10-21T20:00:00.000Z	38 \| good	6.631 \| good	26.18 \| good	25.088 \| good	1.091 \| good	6.02 \| good	0.251 \| good
2025-10-21T21:00:00.000Z	38 \| good	7.005 \| good	23.571 \| good	37.849 \| good	1.062 \| good	1.099 \| good	0.251 \| good
2025-10-21T22:00:00.000Z	39 \| good	7.193 \| good	23.703 \| good	41.808 \| good	0.835 \| good	4.542 \| good	0.281 \| good
2025-10-21T23:00:00.000Z	43 \| good	5.549 \| good	15.396 \| good	45.827 \| good	0.684 \| good	1.078 \| good	0.238 \| good
2025-10-22T00:00:00.000Z	44 \| good	6.443 \| good	29.78 \| good	47.822 \| good	0.607 \| good	1.094 \| good	0.225 \| good
2025-10-22T01:00:00.000Z	44 \| good	6.548 \| good	31.531 \| good	46.848 \| good	0.678 \| good	1.153 \| good	0.293 \| good
2025-10-22T02:00:00.000Z	43 \| good	7.015 \| good	30.005 \| good	45.767 \| good	0.587 \| good	2.265 \| good	0.442 \| good
2025-10-22T03:00:00.000Z	56 \| moderate	11.948 \| good	53.365 \| good	31.268 \| good	1.098 \| good	23.941 \| good	0.337 \| good
2025-10-22T04:00:00.000Z	49 \| good	8.617 \| good	39.095 \| good	40.746 \| good	0.604 \| good	2.554 \| good	0.467 \| good
2025-10-22T05:00:00.000Z	49 \| good	9.196 \| good	26.65 \| good	37.645 \| good	0.681 \| good	2.517 \| good	0.411 \| good
2025-10-22T06:00:00.000Z	52 \| moderate	10.403 \| good	33.502 \| good	33.594 \| good	0.625 \| good	2.388 \| good	0.268 \| good
2025-10-22T07:00:00.000Z	49 \| good	8.823 \| good	37.768 \| good	25.768 \| good	0.602 \| good	7.109 \| good	0.225 \| good
2025-10-22T08:00:00.000Z	44 \| good	7.929 \| good	47.672 \| good	25.757 \| good	0.563 \| good	4.094 \| good	0.182 \| good
2025-10-22T09:00:00.000Z	54 \| moderate	11.036 \| good	34.603 \| good	24.771 \| good	0.563 \| good	2.148 \| good	0.225 \| good
2025-10-22T10:00:00.000Z	52 \| moderate	9.872 \| good	28.404 \| good	22.901 \| good	0.574 \| good	2.033 \| good	0.168 \| good
2025-10-22T11:00:00.000Z	44 \| good	8.272 \| good	29.864 \| good	23.039 \| good	0.529 \| good	1.074 \| good	0.168 \| good
2025-10-22T12:00:00.000Z	49 \| good	9.332 \| good	25.755 \| good	25.994 \| good	0.549 \| good	6.446 \| good	0.211 \| good
2025-10-22T13:00:00.000Z	44 \| good	8.273 \| good	36.391 \| good	27.905 \| good	0.486 \| good	1.065 \| good	0.211 \| good
2025-10-22T14:00:00.000Z	33 \| good	6.014 \| good	22.713 \| good	30.842 \| good	0.865 \| good	2.025 \| good	0.168 \| good
2025-10-22T15:00:00.000Z	52 \| moderate	9.819 \| good	38.306 \| good	32.828 \| good	0.823 \| good	1.125 \| good	0.211 \| good
2025-10-22T16:00:00.000Z	38 \| good	6.551 \| good	25.729 \| good	33.862 \| good	0.84 \| good	2.107 \| good	0.211 \| good
2025-10-22T17:00:00.000Z	38 \| good	6.758 \| good	24.576 \| good	32.012 \| good	1.131 \| good	1.156 \| good	0.225 \| good
2025-10-22T18:00:00.000Z	38 \| good	6.989 \| good	22.011 \| good	31.081 \| good	1.152 \| good	1.103 \| good	0.211 \| good
2025-10-22T19:00:00.000Z	33 \| good	6.159 \| good	28.203 \| good	32.051 \| good	0.607 \| good	1.076 \| good	0.225 \| good
2025-10-22T20:00:00.000Z	44 \| good	7.652 \| good	34.33 \| good	33.976 \| good	0.446 \| good	1.068 \| good	0.225 \| good
2025-10-22T21:00:00.000Z	32 \| good	5.052 \| good	23.625 \| good	34.976 \| good	0.423 \| good	1.045 \| good	0.212 \| good
2025-10-22T22:00:00.000Z	38 \| good	7.271 \| good	23.721 \| good	35.028 \| good	0.521 \| good	1.054 \| good	0.211 \| good
2025-10-22T23:00:00.000Z	38 \| good	6.96 \| good	28.793 \| good	33.067 \| good	0.626 \| good	1.063 \| good	0.211 \| good
2025-10-23T00:00:00.000Z	38 \| good	6.684 \| good	28.746 \| good	32.095 \| good	1.646 \| good	1.048 \| good	0.211 \| good
2025-10-23T00:00:00.000Z	38 \| good	6.684 \| good	28.746 \| good	32.095 \| good	1.646 \| good	1.048 \| good	0.211 \| good
2025-10-23T01:00:00.000Z	33 \| good	3.577 \| good	15.837 \| good	35.931 \| good	0.981 \| good	6.365 \| good	0.166 \| good
2025-10-23T02:00:00.000Z	33 \| good	5.538 \| good	24.075 \| good	29.671 \| good	1.03 \| good	8.958 \| good	0.187 \| good
2025-10-23T03:00:00.000Z	33 \| good	5.738 \| good	24.811 \| good	26.706 \| good	1.078 \| good	11.551 \| good	0.209 \| good
2025-10-23T04:00:00.000Z	33 \| good	5.565 \| good	24.181 \| good	25.05 \| good	1.111 \| good	11.903 \| good	0.217 \| good
2025-10-23T05:00:00.000Z	27 \| good	5.259 \| good	22.836 \| good	24.308 \| good	1.144 \| good	12.254 \| good	0.225 \| good
2025-10-23T06:00:00.000Z	27 \| good	4.824 \| good	21.01 \| good	24.48 \| good	1.177 \| good	12.605 \| good	0.233 \| good
2025-10-23T07:00:00.000Z	27 \| good	5.03 \| good	21.74 \| good	23.055 \| good	1.144 \| good	12.532 \| good	0.236 \| good
2025-10-23T08:00:00.000Z	33 \| good	6.195 \| good	27.503 \| good	22.99 \| good	1.11 \| good	12.459 \| good	0.239 \| good
2025-10-23T09:00:00.000Z	38 \| good	6.537 \| good	29.127 \| good	21.565 \| good	1.077 \| good	12.386 \| good	0.243 \| good
2025-10-23T10:00:00.000Z	33 \| good	6.038 \| good	26.443 \| good	19.271 \| good	1.013 \| good	12.138 \| good	0.241 \| good
2025-10-23T11:00:00.000Z	27 \| good	5.167 \| good	22.493 \| good	21.027 \| good	0.949 \| good	11.891 \| good	0.24 \| good
2025-10-23T12:00:00.000Z	33 \| good	6.338 \| good	27.938 \| good	16.919 \| good	0.885 \| good	11.643 \| good	0.238 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.494 \| good	32.996 \| good	13.911 \| good	0.942 \| good	11.485 \| good	0.237 \| good
2025-10-23T14:00:00.000Z	33 \| good	6.362 \| good	27.843 \| good	14.266 \| good	0.998 \| good	11.327 \| good	0.236 \| good
2025-10-23T15:00:00.000Z	33 \| good	5.913 \| good	26.119 \| good	15.447 \| good	1.054 \| good	11.169 \| good	0.234 \| good
2025-10-23T16:00:00.000Z	22 \| good	3.693 \| good	16.051 \| good	21.161 \| good	1.16 \| good	9.175 \| good	0.223 \| good
2025-10-23T17:00:00.000Z	23 \| good	3.643 \| good	15.748 \| good	24.786 \| good	1.266 \| good	7.181 \| good	0.211 \| good
2025-10-23T18:00:00.000Z	28 \| good	5.045 \| good	22.093 \| good	30.228 \| good	1.372 \| good	5.187 \| good	0.199 \| good
2025-10-23T19:00:00.000Z	33 \| good	6.393 \| good	28.239 \| good	35.622 \| good	1.389 \| good	4.648 \| good	0.194 \| good
2025-10-23T20:00:00.000Z	38 \| good	6.933 \| good	30.762 \| good	41.111 \| good	1.406 \| good	4.109 \| good	0.189 \| good
2025-10-23T21:00:00.000Z	42 \| good	6.575 \| good	29.301 \| good	44.563 \| good	1.423 \| good	3.57 \| good	0.185 \| good
2025-10-23T22:00:00.000Z	44 \| good	5.83 \| good	25.077 \| good	47.955 \| good	1.407 \| good	3.704 \| good	0.185 \| good
2025-10-23T23:00:00.000Z	45 \| good	5.065 \| good	21.814 \| good	49.011 \| good	1.39 \| good	3.837 \| good	0.186 \| good
2025-10-24T00:00:00.000Z	44 \| good	4.987 \| good	21.443 \| good	46.932 \| good	1.374 \| good	3.971 \| good	0.186 \| good
2025-10-24T01:00:00.000Z	36 \| good	5.883 \| good	26.005 \| good	39.489 \| good	1.421 \| good	7.861 \| good	0.219 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	10.316 \| good	45.603 \| good	32.199 \| good	1.468 \| good	11.752 \| good	0.252 \| good
2025-10-24T03:00:00.000Z	60 \| moderate	14.081 \| fine	63.039 \| fine	28.586 \| good	1.515 \| good	15.642 \| good	0.285 \| good
2025-10-24T04:00:00.000Z	58 \| moderate	13.454 \| fine	59.899 \| fine	29.185 \| good	1.488 \| good	15.938 \| good	0.291 \| good
2025-10-24T05:00:00.000Z	58 \| moderate	12.541 \| fine	55.887 \| fine	28.571 \| good	1.461 \| good	16.234 \| good	0.298 \| good
2025-10-24T06:00:00.000Z	58 \| moderate	12.552 \| fine	56.335 \| fine	27.284 \| good	1.434 \| good	16.531 \| good	0.305 \| good
2025-10-24T07:00:00.000Z	56 \| moderate	12.023 \| good	54.326 \| good	26.532 \| good	1.357 \| good	15.478 \| good	0.299 \| good
2025-10-24T08:00:00.000Z	58 \| moderate	12.829 \| fine	57.596 \| fine	25.293 \| good	1.279 \| good	14.426 \| good	0.294 \| good
2025-10-24T09:00:00.000Z	60 \| moderate	14.267 \| fine	63.837 \| fine	26.243 \| good	1.202 \| good	13.374 \| good	0.288 \| good
2025-10-24T10:00:00.000Z	62 \| moderate	14.807 \| fine	66.449 \| fine	25.49 \| good	1.165 \| good	12.239 \| good	0.278 \| good
2025-10-24T11:00:00.000Z	64 \| moderate	15.683 \| fine	69.913 \| fine	24.874 \| good	1.129 \| good	11.103 \| good	0.268 \| good
2025-10-24T12:00:00.000Z	67 \| moderate	18.037 \| fine	80.115 \| fine	21.914 \| good	1.092 \| good	9.968 \| good	0.258 \| good
2025-10-24T13:00:00.000Z	69 \| moderate	18.819 \| fine	83.302 \| fine	19.039 \| good	1.111 \| good	10.799 \| good	0.267 \| good
2025-10-24T14:00:00.000Z	67 \| moderate	18.326 \| fine	80.988 \| fine	17.771 \| good	1.13 \| good	11.63 \| good	0.277 \| good
2025-10-24T15:00:00.000Z	71 \| moderate	20.356 \| fine	89.503 \| fine	16.423 \| good	1.149 \| good	12.462 \| good	0.286 \| good
2025-10-24T16:00:00.000Z	67 \| moderate	17.983 \| fine	80.067 \| fine	19.546 \| good	1.362 \| good	10.115 \| good	0.251 \| good
2025-10-24T17:00:00.000Z	56 \| moderate	12.086 \| good	53.84 \| good	23.484 \| good	1.574 \| good	7.768 \| good	0.216 \| good
2025-10-24T18:00:00.000Z	54 \| moderate	11.018 \| good	49.436 \| good	30.743 \| good	1.787 \| good	5.421 \| good	0.181 \| good
2025-10-24T19:00:00.000Z	52 \| moderate	10.204 \| good	45.318 \| good	37.575 \| good	1.64 \| good	4.924 \| good	0.166 \| good
2025-10-24T20:00:00.000Z	52 \| moderate	10.453 \| good	46.13 \| good	43.46 \| good	1.493 \| good	4.427 \| good	0.152 \| good
2025-10-24T21:00:00.000Z	52 \| moderate	9.573 \| good	42.562 \| good	44.278 \| good	1.347 \| good	3.93 \| good	0.137 \| good
2025-10-24T22:00:00.000Z	44 \| good	7.973 \| good	35.054 \| good	44.714 \| good	1.304 \| good	4.168 \| good	0.137 \| good
2025-10-24T23:00:00.000Z	42 \| good	6.127 \| good	27.306 \| good	45.046 \| good	1.261 \| good	4.406 \| good	0.136 \| good
2025-10-25T00:00:00.000Z	38 \| good	7.001 \| good	8.755 \| good	40.349 \| good	1.219 \| good	4.638 \| good	0.135 \| good

Real-time air quality index in Folsom, California today

Common air pollutants in Folsom, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Folsom, California air quality forecast and history

Empower business decisions with accurate air quality data

Folsom, California air quality map: Real-time AQI near you

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Folsom, California updated?

When did Folsom, California experience the worst air quality in the last 24 hours?

When did Folsom, California have its best air quality in the last 24 hours?

What is the real-time air quality index for Folsom, California?

Which pollutant is found most often in Folsom, California?

What can I do if the air quality in Folsom, California is poor?

What are the current PM2.5 levels in Folsom, California?

What are the current PM10 levels at Folsom, California?

What are the current carbon monoxide (CO) levels at Folsom, California?

What are the current sulfur dioxide (SO2) levels at Folsom, California?

What are the current ozone (O3) levels at Folsom, California?

What are the current nitrogen dioxide (NO2) levels at Folsom, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Folsom, California?

What are the current PM₁₀ levels at Folsom, California?

What are the current sulfur dioxide (SO₂) levels at Folsom, California?

What are the current ozone (O₃) levels at Folsom, California?

What are the current nitrogen dioxide (NO₂) levels at Folsom, California?