What are the current PM10 levels at Folsom, California?

The current PM10 levels in Folsom, California are 45.658 μg/m3.

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

The current sulfur dioxide (SO2) levels in Folsom, California are 0.722 ppb.

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

The current ozone (O3) levels at Folsom, California is 13.97 ppm.

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

The current nitrogen dioxide (NO2) levels at Folsom, California is 2.158 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 10.506 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)

Moderate

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)

10.51 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

45.66 μg/m³

155

255

425

605+

Ozone (O₃)

13.97 ppb

201

201+

Sulfur Dioxide (SO₂)

0.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.16 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.48 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-01-18T01:00:00.000Z	38 \| good	6.825 \| good	30.183 \| good	25.844 \| good	0.618 \| good	3.118 \| good	0.546 \| good
2026-01-18T02:00:00.000Z	52 \| moderate	9.559 \| good	41.905 \| good	24.803 \| good	0.721 \| good	6.112 \| good	0.572 \| good
2026-01-18T03:00:00.000Z	73 \| moderate	21.445 \| fine	94.382 \| fine	17.936 \| good	1.828 \| good	19.998 \| good	0.458 \| good
2026-01-18T04:00:00.000Z	81 \| moderate	25.315 \| fine	110.022 \| fine	17.85 \| good	0.627 \| good	10.196 \| good	0.465 \| good
2026-01-18T05:00:00.000Z	88 \| moderate	29.488 \| fine	127.218 \| fine	13.9 \| good	0.585 \| good	8.164 \| good	0.527 \| good
2026-01-18T06:00:00.000Z	96 \| moderate	33.035 \| fine	142.457 \| fine	8.981 \| good	0.555 \| good	12.115 \| good	0.49 \| good
2026-01-18T07:00:00.000Z	96 \| moderate	33.144 \| fine	142.491 \| fine	8.932 \| good	0.554 \| good	12.07 \| good	0.5 \| good
2026-01-18T08:00:00.000Z	86 \| moderate	28.258 \| fine	121.045 \| fine	6.967 \| good	0.528 \| good	9.062 \| good	0.557 \| good
2026-01-18T09:00:00.000Z	82 \| moderate	25.53 \| fine	109.168 \| fine	6.997 \| good	0.528 \| good	6.097 \| good	0.513 \| good
2026-01-18T10:00:00.000Z	75 \| moderate	22.327 \| fine	95.645 \| fine	6.971 \| good	0.303 \| good	6.065 \| good	0.442 \| good
2026-01-18T11:00:00.000Z	71 \| moderate	20.172 \| fine	87.848 \| fine	8.927 \| good	0.303 \| good	3.16 \| good	0.442 \| good
2026-01-18T12:00:00.000Z	66 \| moderate	16.653 \| fine	72.264 \| fine	7.896 \| good	0.311 \| good	1.248 \| good	0.563 \| good
2026-01-18T13:00:00.000Z	64 \| moderate	16.323 \| fine	72.218 \| fine	7.961 \| good	0.864 \| good	1.229 \| good	0.533 \| good
2026-01-18T14:00:00.000Z	56 \| moderate	11.943 \| good	51.656 \| good	9.914 \| good	0.87 \| good	1.235 \| good	0.459 \| good
2026-01-18T15:00:00.000Z	52 \| moderate	10.348 \| good	45.782 \| good	11.766 \| good	0.631 \| good	1.211 \| good	0.447 \| good
2026-01-18T16:00:00.000Z	52 \| moderate	9.849 \| good	42.903 \| good	10.842 \| good	0.527 \| good	6.096 \| good	0.459 \| good
2026-01-18T17:00:00.000Z	58 \| moderate	12.875 \| fine	56.508 \| fine	9.894 \| good	0.538 \| good	8.031 \| good	0.459 \| good
2026-01-18T18:00:00.000Z	64 \| moderate	15.859 \| fine	69.937 \| fine	8.983 \| good	0.726 \| good	6.066 \| good	0.44 \| good
2026-01-18T19:00:00.000Z	67 \| moderate	18.333 \| fine	79.743 \| fine	10.997 \| good	0.836 \| good	5.065 \| good	0.471 \| good
2026-01-18T20:00:00.000Z	67 \| moderate	18.427 \| fine	81.779 \| fine	11.048 \| good	0.84 \| good	5.054 \| good	0.489 \| good
2026-01-18T21:00:00.000Z	64 \| moderate	15.864 \| fine	70.343 \| fine	14.977 \| good	0.764 \| good	5.024 \| good	0.489 \| good
2026-01-18T22:00:00.000Z	60 \| moderate	13.533 \| fine	60.742 \| fine	17.012 \| good	0.7 \| good	4.032 \| good	0.476 \| good
2026-01-18T23:00:00.000Z	54 \| moderate	11.383 \| good	49.953 \| good	18.111 \| good	0.644 \| good	3.069 \| good	0.451 \| good
2026-01-19T00:00:00.000Z	54 \| moderate	10.725 \| good	46.912 \| good	18.064 \| good	0.573 \| good	3.065 \| good	0.35 \| good
2026-01-19T01:00:00.000Z	49 \| good	8.922 \| good	39.078 \| good	18.024 \| good	0.498 \| good	4.045 \| good	0.306 \| good
2026-01-19T02:00:00.000Z	49 \| good	8.565 \| good	37.238 \| good	19.912 \| good	0.568 \| good	5.076 \| good	0.351 \| good
2026-01-19T03:00:00.000Z	54 \| moderate	11.389 \| good	50.108 \| good	17.941 \| good	0.715 \| good	9.111 \| good	0.383 \| good
2026-01-19T04:00:00.000Z	62 \| moderate	15.313 \| fine	66.95 \| fine	15.978 \| good	0.676 \| good	9.247 \| good	0.569 \| good
2026-01-19T05:00:00.000Z	67 \| moderate	17.778 \| fine	77.137 \| fine	13.944 \| good	0.661 \| good	7.205 \| good	0.687 \| good
2026-01-19T06:00:00.000Z	71 \| moderate	20.497 \| fine	88.786 \| fine	9.077 \| good	0.706 \| good	11.072 \| good	0.812 \| good
2026-01-19T07:00:00.000Z	75 \| moderate	21.798 \| fine	94.48 \| fine	9.004 \| good	0.707 \| good	8.087 \| good	0.801 \| good
2026-01-19T08:00:00.000Z	77 \| moderate	22.921 \| fine	100.069 \| fine	11.811 \| good	0.645 \| good	7.086 \| good	0.827 \| good
2026-01-19T09:00:00.000Z	81 \| moderate	25.029 \| fine	109.379 \| fine	14.737 \| good	0.728 \| good	5.114 \| good	0.721 \| good
2026-01-19T10:00:00.000Z	79 \| moderate	24.149 \| fine	103.48 \| fine	10.826 \| good	0.921 \| good	5.109 \| good	0.549 \| good
2026-01-19T11:00:00.000Z	77 \| moderate	23.007 \| fine	99.387 \| fine	10.813 \| good	0.806 \| good	3.113 \| good	0.442 \| good
2026-01-19T12:00:00.000Z	69 \| moderate	18.752 \| fine	83.891 \| fine	10.797 \| good	0.703 \| good	3.078 \| good	0.418 \| good
2026-01-19T13:00:00.000Z	69 \| moderate	18.748 \| fine	83.86 \| fine	10.828 \| good	1.176 \| good	3.084 \| good	0.38 \| good
2026-01-19T14:00:00.000Z	66 \| moderate	16.685 \| fine	74.038 \| fine	8.891 \| good	1.296 \| good	3.087 \| good	0.393 \| good
2026-01-19T15:00:00.000Z	64 \| moderate	16.248 \| fine	71.912 \| fine	9.883 \| good	0.781 \| good	3.146 \| good	0.369 \| good
2026-01-19T16:00:00.000Z	62 \| moderate	14.52 \| fine	63.976 \| fine	7.937 \| good	0.724 \| good	6.066 \| good	0.369 \| good
2026-01-19T17:00:00.000Z	64 \| moderate	15.629 \| fine	69.594 \| fine	6.022 \| good	0.72 \| good	7.984 \| good	0.395 \| good
2026-01-19T18:00:00.000Z	60 \| moderate	14.288 \| fine	63.907 \| fine	8.969 \| good	0.789 \| good	4.079 \| good	0.464 \| good
2026-01-19T19:00:00.000Z	54 \| moderate	11.142 \| good	48.427 \| good	10.967 \| good	0.902 \| good	2.115 \| good	0.496 \| good
2026-01-19T20:00:00.000Z	49 \| good	8.627 \| good	36.73 \| good	12.007 \| good	0.854 \| good	1.166 \| good	0.44 \| good
2026-01-19T21:00:00.000Z	44 \| good	7.844 \| good	33.86 \| good	14.016 \| good	0.801 \| good	2.124 \| good	0.447 \| good
2026-01-19T22:00:00.000Z	44 \| good	7.953 \| good	33.895 \| good	14.974 \| good	0.832 \| good	2.116 \| good	0.402 \| good
2026-01-19T23:00:00.000Z	54 \| moderate	10.506 \| good	45.658 \| good	13.97 \| good	0.722 \| good	2.158 \| good	0.477 \| good
2026-01-20T00:00:00.000Z	54 \| moderate	10.506 \| good	45.658 \| good	13.97 \| good	0.722 \| good	2.158 \| good	0.477 \| good
2026-01-20T01:00:00.000Z	73 \| moderate	21.264 \| fine	93.559 \| fine	28.472 \| good	1.421 \| good	13.531 \| good	0.304 \| good
2026-01-20T02:00:00.000Z	79 \| moderate	23.579 \| fine	102.923 \| fine	18.413 \| good	1.611 \| good	17.891 \| good	0.352 \| good
2026-01-20T03:00:00.000Z	82 \| moderate	25.809 \| fine	112.811 \| fine	14.809 \| good	1.802 \| good	22.252 \| good	0.4 \| good
2026-01-20T04:00:00.000Z	81 \| moderate	24.846 \| fine	108.464 \| fine	16.4 \| good	1.715 \| good	21.55 \| good	0.394 \| good
2026-01-20T05:00:00.000Z	81 \| moderate	25.441 \| fine	110.789 \| fine	16.303 \| good	1.629 \| good	20.848 \| good	0.388 \| good
2026-01-20T06:00:00.000Z	82 \| moderate	26.114 \| fine	113.653 \| fine	17.296 \| good	1.542 \| good	20.146 \| good	0.382 \| good
2026-01-20T07:00:00.000Z	79 \| moderate	24.316 \| fine	106.095 \| fine	17.799 \| good	1.27 \| good	18.532 \| good	0.346 \| good
2026-01-20T08:00:00.000Z	79 \| moderate	23.916 \| fine	104.522 \| fine	15.994 \| good	0.999 \| good	16.918 \| good	0.309 \| good
2026-01-20T09:00:00.000Z	77 \| moderate	22.607 \| fine	98.479 \| fine	14.15 \| good	0.728 \| good	15.304 \| good	0.272 \| good
2026-01-20T10:00:00.000Z	71 \| moderate	19.94 \| fine	88.098 \| fine	14.351 \| good	0.636 \| good	13.336 \| good	0.247 \| good
2026-01-20T11:00:00.000Z	60 \| moderate	13.844 \| fine	61.776 \| fine	15.362 \| good	0.544 \| good	11.368 \| good	0.222 \| good
2026-01-20T12:00:00.000Z	58 \| moderate	12.776 \| fine	56.735 \| fine	15.043 \| good	0.452 \| good	9.4 \| good	0.197 \| good
2026-01-20T13:00:00.000Z	52 \| moderate	9.635 \| good	42.873 \| good	15.248 \| good	0.527 \| good	10.001 \| good	0.194 \| good
2026-01-20T14:00:00.000Z	54 \| moderate	10.634 \| good	47.321 \| good	12.947 \| good	0.603 \| good	10.602 \| good	0.192 \| good
2026-01-20T15:00:00.000Z	56 \| moderate	11.622 \| good	52.451 \| good	10.266 \| good	0.678 \| good	11.203 \| good	0.19 \| good
2026-01-20T16:00:00.000Z	56 \| moderate	11.664 \| good	52.422 \| good	11.349 \| good	0.752 \| good	10.433 \| good	0.209 \| good
2026-01-20T17:00:00.000Z	56 \| moderate	11.581 \| good	52.097 \| good	14.3 \| good	0.826 \| good	9.662 \| good	0.228 \| good
2026-01-20T18:00:00.000Z	54 \| moderate	11.386 \| good	50.144 \| good	16.564 \| good	0.899 \| good	8.891 \| good	0.246 \| good
2026-01-20T19:00:00.000Z	56 \| moderate	12.393 \| fine	55.573 \| fine	18.73 \| good	0.95 \| good	7.821 \| good	0.229 \| good
2026-01-20T20:00:00.000Z	54 \| moderate	11.043 \| good	49.124 \| good	21.185 \| good	1.001 \| good	6.751 \| good	0.211 \| good
2026-01-20T21:00:00.000Z	56 \| moderate	11.666 \| good	51.959 \| good	23.533 \| good	1.052 \| good	5.682 \| good	0.193 \| good
2026-01-20T22:00:00.000Z	54 \| moderate	11.45 \| good	51.031 \| good	28.405 \| good	1.066 \| good	6.725 \| good	0.204 \| good
2026-01-20T23:00:00.000Z	54 \| moderate	11.308 \| good	50.041 \| good	28.954 \| good	1.08 \| good	7.768 \| good	0.214 \| good
2026-01-21T00:00:00.000Z	52 \| moderate	9.84 \| good	43.881 \| good	29.75 \| good	1.094 \| good	8.812 \| good	0.225 \| good
2026-01-21T01:00:00.000Z	71 \| moderate	19.61 \| fine	86.292 \| fine	24.386 \| good	1.278 \| good	11.982 \| good	0.294 \| good
2026-01-21T02:00:00.000Z	82 \| moderate	25.617 \| fine	111.556 \| fine	15.128 \| good	1.461 \| good	15.151 \| good	0.363 \| good
2026-01-21T03:00:00.000Z	86 \| moderate	27.72 \| fine	120.145 \| fine	10.973 \| good	1.644 \| good	18.321 \| good	0.432 \| good
2026-01-21T04:00:00.000Z	81 \| moderate	25.296 \| fine	110.41 \| fine	8.51 \| good	1.721 \| good	18.069 \| good	0.451 \| good
2026-01-21T05:00:00.000Z	82 \| moderate	25.996 \| fine	113.223 \| fine	9.247 \| good	1.797 \| good	17.817 \| good	0.47 \| good
2026-01-21T06:00:00.000Z	81 \| moderate	25.496 \| fine	110.953 \| fine	9.621 \| good	1.874 \| good	17.565 \| good	0.488 \| good
2026-01-21T07:00:00.000Z	75 \| moderate	22.145 \| fine	96.572 \| fine	7.666 \| good	1.728 \| good	17.09 \| good	0.468 \| good
2026-01-21T08:00:00.000Z	75 \| moderate	22.173 \| fine	97.304 \| fine	7.852 \| good	1.582 \| good	16.614 \| good	0.447 \| good
2026-01-21T09:00:00.000Z	71 \| moderate	20.25 \| fine	89.539 \| fine	5.203 \| good	1.436 \| good	16.139 \| good	0.427 \| good
2026-01-21T10:00:00.000Z	67 \| moderate	18.357 \| fine	80.695 \| fine	6.507 \| good	1.245 \| good	15.086 \| good	0.398 \| good
2026-01-21T11:00:00.000Z	64 \| moderate	16.395 \| fine	73.227 \| fine	7.267 \| good	1.053 \| good	14.032 \| good	0.369 \| good
2026-01-21T12:00:00.000Z	60 \| moderate	13.524 \| fine	60.209 \| fine	7.742 \| good	0.862 \| good	12.979 \| good	0.341 \| good
2026-01-21T13:00:00.000Z	60 \| moderate	13.826 \| fine	61.788 \| fine	8.206 \| good	0.946 \| good	13.039 \| good	0.334 \| good
2026-01-21T14:00:00.000Z	62 \| moderate	15.3 \| fine	67.86 \| fine	6.243 \| good	1.031 \| good	13.098 \| good	0.327 \| good
2026-01-21T15:00:00.000Z	62 \| moderate	14.901 \| fine	66.359 \| fine	4.218 \| good	1.115 \| good	13.158 \| good	0.321 \| good
2026-01-21T16:00:00.000Z	60 \| moderate	14.082 \| fine	62.512 \| fine	3.368 \| good	1.26 \| good	13.099 \| good	0.345 \| good
2026-01-21T17:00:00.000Z	58 \| moderate	13.142 \| fine	58.436 \| fine	6.904 \| good	1.405 \| good	13.04 \| good	0.368 \| good
2026-01-21T18:00:00.000Z	56 \| moderate	11.832 \| good	52.817 \| good	14.375 \| good	1.55 \| good	12.981 \| good	0.392 \| good
2026-01-21T19:00:00.000Z	56 \| moderate	11.757 \| good	52.437 \| good	21.838 \| good	1.697 \| good	13.069 \| good	0.359 \| good
2026-01-21T20:00:00.000Z	60 \| moderate	14.405 \| fine	64.662 \| fine	23.59 \| good	1.845 \| good	13.157 \| good	0.326 \| good
2026-01-21T21:00:00.000Z	60 \| moderate	13.868 \| fine	62.137 \| fine	26.259 \| good	1.993 \| good	13.245 \| good	0.293 \| good
2026-01-21T22:00:00.000Z	60 \| moderate	13.993 \| fine	62.463 \| fine	27.677 \| good	1.952 \| good	14.158 \| good	0.3 \| good
2026-01-21T23:00:00.000Z	56 \| moderate	12.059 \| good	53.816 \| good	25.91 \| good	1.912 \| good	15.071 \| good	0.307 \| good
2026-01-22T00:00:00.000Z	64 \| moderate	15.727 \| fine	16.04 \| good	11.407 \| good	1.864 \| good	15.912 \| good	0.314 \| good

Folsom

Empower business decisions with accurate air quality data

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

0.48ppm

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 09:00:00 on 2026-01-19.

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

The best air quality in Folsom, California was recorded at 10:00:00 on 2026-01-19.

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

The real-time air quality index in Folsom, California is 54, currently categorized as Moderate.

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 10.506 μg/m³.

What are the current PM₁₀ levels at Folsom, California?

The current PM₁₀ levels in Folsom, California are 45.658 μg/m³.

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

The current carbon monoxide (CO) level in Folsom, California is 0.477 ppm.

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

The current sulfur dioxide (SO₂) levels in Folsom, California are 0.722 ppb.

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

The current ozone (O₃) levels at Folsom, California is 13.97 ppm.

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

The current nitrogen dioxide (NO₂) levels at Folsom, California is 2.158 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-18T01:00:00.000Z	38 \| good	6.825 \| good	30.183 \| good	25.844 \| good	0.618 \| good	3.118 \| good	0.546 \| good
2026-01-18T02:00:00.000Z	52 \| moderate	9.559 \| good	41.905 \| good	24.803 \| good	0.721 \| good	6.112 \| good	0.572 \| good
2026-01-18T03:00:00.000Z	73 \| moderate	21.445 \| fine	94.382 \| fine	17.936 \| good	1.828 \| good	19.998 \| good	0.458 \| good
2026-01-18T04:00:00.000Z	81 \| moderate	25.315 \| fine	110.022 \| fine	17.85 \| good	0.627 \| good	10.196 \| good	0.465 \| good
2026-01-18T05:00:00.000Z	88 \| moderate	29.488 \| fine	127.218 \| fine	13.9 \| good	0.585 \| good	8.164 \| good	0.527 \| good
2026-01-18T06:00:00.000Z	96 \| moderate	33.035 \| fine	142.457 \| fine	8.981 \| good	0.555 \| good	12.115 \| good	0.49 \| good
2026-01-18T07:00:00.000Z	96 \| moderate	33.144 \| fine	142.491 \| fine	8.932 \| good	0.554 \| good	12.07 \| good	0.5 \| good
2026-01-18T08:00:00.000Z	86 \| moderate	28.258 \| fine	121.045 \| fine	6.967 \| good	0.528 \| good	9.062 \| good	0.557 \| good
2026-01-18T09:00:00.000Z	82 \| moderate	25.53 \| fine	109.168 \| fine	6.997 \| good	0.528 \| good	6.097 \| good	0.513 \| good
2026-01-18T10:00:00.000Z	75 \| moderate	22.327 \| fine	95.645 \| fine	6.971 \| good	0.303 \| good	6.065 \| good	0.442 \| good
2026-01-18T11:00:00.000Z	71 \| moderate	20.172 \| fine	87.848 \| fine	8.927 \| good	0.303 \| good	3.16 \| good	0.442 \| good
2026-01-18T12:00:00.000Z	66 \| moderate	16.653 \| fine	72.264 \| fine	7.896 \| good	0.311 \| good	1.248 \| good	0.563 \| good
2026-01-18T13:00:00.000Z	64 \| moderate	16.323 \| fine	72.218 \| fine	7.961 \| good	0.864 \| good	1.229 \| good	0.533 \| good
2026-01-18T14:00:00.000Z	56 \| moderate	11.943 \| good	51.656 \| good	9.914 \| good	0.87 \| good	1.235 \| good	0.459 \| good
2026-01-18T15:00:00.000Z	52 \| moderate	10.348 \| good	45.782 \| good	11.766 \| good	0.631 \| good	1.211 \| good	0.447 \| good
2026-01-18T16:00:00.000Z	52 \| moderate	9.849 \| good	42.903 \| good	10.842 \| good	0.527 \| good	6.096 \| good	0.459 \| good
2026-01-18T17:00:00.000Z	58 \| moderate	12.875 \| fine	56.508 \| fine	9.894 \| good	0.538 \| good	8.031 \| good	0.459 \| good
2026-01-18T18:00:00.000Z	64 \| moderate	15.859 \| fine	69.937 \| fine	8.983 \| good	0.726 \| good	6.066 \| good	0.44 \| good
2026-01-18T19:00:00.000Z	67 \| moderate	18.333 \| fine	79.743 \| fine	10.997 \| good	0.836 \| good	5.065 \| good	0.471 \| good
2026-01-18T20:00:00.000Z	67 \| moderate	18.427 \| fine	81.779 \| fine	11.048 \| good	0.84 \| good	5.054 \| good	0.489 \| good
2026-01-18T21:00:00.000Z	64 \| moderate	15.864 \| fine	70.343 \| fine	14.977 \| good	0.764 \| good	5.024 \| good	0.489 \| good
2026-01-18T22:00:00.000Z	60 \| moderate	13.533 \| fine	60.742 \| fine	17.012 \| good	0.7 \| good	4.032 \| good	0.476 \| good
2026-01-18T23:00:00.000Z	54 \| moderate	11.383 \| good	49.953 \| good	18.111 \| good	0.644 \| good	3.069 \| good	0.451 \| good
2026-01-19T00:00:00.000Z	54 \| moderate	10.725 \| good	46.912 \| good	18.064 \| good	0.573 \| good	3.065 \| good	0.35 \| good
2026-01-19T01:00:00.000Z	49 \| good	8.922 \| good	39.078 \| good	18.024 \| good	0.498 \| good	4.045 \| good	0.306 \| good
2026-01-19T02:00:00.000Z	49 \| good	8.565 \| good	37.238 \| good	19.912 \| good	0.568 \| good	5.076 \| good	0.351 \| good
2026-01-19T03:00:00.000Z	54 \| moderate	11.389 \| good	50.108 \| good	17.941 \| good	0.715 \| good	9.111 \| good	0.383 \| good
2026-01-19T04:00:00.000Z	62 \| moderate	15.313 \| fine	66.95 \| fine	15.978 \| good	0.676 \| good	9.247 \| good	0.569 \| good
2026-01-19T05:00:00.000Z	67 \| moderate	17.778 \| fine	77.137 \| fine	13.944 \| good	0.661 \| good	7.205 \| good	0.687 \| good
2026-01-19T06:00:00.000Z	71 \| moderate	20.497 \| fine	88.786 \| fine	9.077 \| good	0.706 \| good	11.072 \| good	0.812 \| good
2026-01-19T07:00:00.000Z	75 \| moderate	21.798 \| fine	94.48 \| fine	9.004 \| good	0.707 \| good	8.087 \| good	0.801 \| good
2026-01-19T08:00:00.000Z	77 \| moderate	22.921 \| fine	100.069 \| fine	11.811 \| good	0.645 \| good	7.086 \| good	0.827 \| good
2026-01-19T09:00:00.000Z	81 \| moderate	25.029 \| fine	109.379 \| fine	14.737 \| good	0.728 \| good	5.114 \| good	0.721 \| good
2026-01-19T10:00:00.000Z	79 \| moderate	24.149 \| fine	103.48 \| fine	10.826 \| good	0.921 \| good	5.109 \| good	0.549 \| good
2026-01-19T11:00:00.000Z	77 \| moderate	23.007 \| fine	99.387 \| fine	10.813 \| good	0.806 \| good	3.113 \| good	0.442 \| good
2026-01-19T12:00:00.000Z	69 \| moderate	18.752 \| fine	83.891 \| fine	10.797 \| good	0.703 \| good	3.078 \| good	0.418 \| good
2026-01-19T13:00:00.000Z	69 \| moderate	18.748 \| fine	83.86 \| fine	10.828 \| good	1.176 \| good	3.084 \| good	0.38 \| good
2026-01-19T14:00:00.000Z	66 \| moderate	16.685 \| fine	74.038 \| fine	8.891 \| good	1.296 \| good	3.087 \| good	0.393 \| good
2026-01-19T15:00:00.000Z	64 \| moderate	16.248 \| fine	71.912 \| fine	9.883 \| good	0.781 \| good	3.146 \| good	0.369 \| good
2026-01-19T16:00:00.000Z	62 \| moderate	14.52 \| fine	63.976 \| fine	7.937 \| good	0.724 \| good	6.066 \| good	0.369 \| good
2026-01-19T17:00:00.000Z	64 \| moderate	15.629 \| fine	69.594 \| fine	6.022 \| good	0.72 \| good	7.984 \| good	0.395 \| good
2026-01-19T18:00:00.000Z	60 \| moderate	14.288 \| fine	63.907 \| fine	8.969 \| good	0.789 \| good	4.079 \| good	0.464 \| good
2026-01-19T19:00:00.000Z	54 \| moderate	11.142 \| good	48.427 \| good	10.967 \| good	0.902 \| good	2.115 \| good	0.496 \| good
2026-01-19T20:00:00.000Z	49 \| good	8.627 \| good	36.73 \| good	12.007 \| good	0.854 \| good	1.166 \| good	0.44 \| good
2026-01-19T21:00:00.000Z	44 \| good	7.844 \| good	33.86 \| good	14.016 \| good	0.801 \| good	2.124 \| good	0.447 \| good
2026-01-19T22:00:00.000Z	44 \| good	7.953 \| good	33.895 \| good	14.974 \| good	0.832 \| good	2.116 \| good	0.402 \| good
2026-01-19T23:00:00.000Z	54 \| moderate	10.506 \| good	45.658 \| good	13.97 \| good	0.722 \| good	2.158 \| good	0.477 \| good
2026-01-20T00:00:00.000Z	54 \| moderate	10.506 \| good	45.658 \| good	13.97 \| good	0.722 \| good	2.158 \| good	0.477 \| good
2026-01-20T01:00:00.000Z	73 \| moderate	21.264 \| fine	93.559 \| fine	28.472 \| good	1.421 \| good	13.531 \| good	0.304 \| good
2026-01-20T02:00:00.000Z	79 \| moderate	23.579 \| fine	102.923 \| fine	18.413 \| good	1.611 \| good	17.891 \| good	0.352 \| good
2026-01-20T03:00:00.000Z	82 \| moderate	25.809 \| fine	112.811 \| fine	14.809 \| good	1.802 \| good	22.252 \| good	0.4 \| good
2026-01-20T04:00:00.000Z	81 \| moderate	24.846 \| fine	108.464 \| fine	16.4 \| good	1.715 \| good	21.55 \| good	0.394 \| good
2026-01-20T05:00:00.000Z	81 \| moderate	25.441 \| fine	110.789 \| fine	16.303 \| good	1.629 \| good	20.848 \| good	0.388 \| good
2026-01-20T06:00:00.000Z	82 \| moderate	26.114 \| fine	113.653 \| fine	17.296 \| good	1.542 \| good	20.146 \| good	0.382 \| good
2026-01-20T07:00:00.000Z	79 \| moderate	24.316 \| fine	106.095 \| fine	17.799 \| good	1.27 \| good	18.532 \| good	0.346 \| good
2026-01-20T08:00:00.000Z	79 \| moderate	23.916 \| fine	104.522 \| fine	15.994 \| good	0.999 \| good	16.918 \| good	0.309 \| good
2026-01-20T09:00:00.000Z	77 \| moderate	22.607 \| fine	98.479 \| fine	14.15 \| good	0.728 \| good	15.304 \| good	0.272 \| good
2026-01-20T10:00:00.000Z	71 \| moderate	19.94 \| fine	88.098 \| fine	14.351 \| good	0.636 \| good	13.336 \| good	0.247 \| good
2026-01-20T11:00:00.000Z	60 \| moderate	13.844 \| fine	61.776 \| fine	15.362 \| good	0.544 \| good	11.368 \| good	0.222 \| good
2026-01-20T12:00:00.000Z	58 \| moderate	12.776 \| fine	56.735 \| fine	15.043 \| good	0.452 \| good	9.4 \| good	0.197 \| good
2026-01-20T13:00:00.000Z	52 \| moderate	9.635 \| good	42.873 \| good	15.248 \| good	0.527 \| good	10.001 \| good	0.194 \| good
2026-01-20T14:00:00.000Z	54 \| moderate	10.634 \| good	47.321 \| good	12.947 \| good	0.603 \| good	10.602 \| good	0.192 \| good
2026-01-20T15:00:00.000Z	56 \| moderate	11.622 \| good	52.451 \| good	10.266 \| good	0.678 \| good	11.203 \| good	0.19 \| good
2026-01-20T16:00:00.000Z	56 \| moderate	11.664 \| good	52.422 \| good	11.349 \| good	0.752 \| good	10.433 \| good	0.209 \| good
2026-01-20T17:00:00.000Z	56 \| moderate	11.581 \| good	52.097 \| good	14.3 \| good	0.826 \| good	9.662 \| good	0.228 \| good
2026-01-20T18:00:00.000Z	54 \| moderate	11.386 \| good	50.144 \| good	16.564 \| good	0.899 \| good	8.891 \| good	0.246 \| good
2026-01-20T19:00:00.000Z	56 \| moderate	12.393 \| fine	55.573 \| fine	18.73 \| good	0.95 \| good	7.821 \| good	0.229 \| good
2026-01-20T20:00:00.000Z	54 \| moderate	11.043 \| good	49.124 \| good	21.185 \| good	1.001 \| good	6.751 \| good	0.211 \| good
2026-01-20T21:00:00.000Z	56 \| moderate	11.666 \| good	51.959 \| good	23.533 \| good	1.052 \| good	5.682 \| good	0.193 \| good
2026-01-20T22:00:00.000Z	54 \| moderate	11.45 \| good	51.031 \| good	28.405 \| good	1.066 \| good	6.725 \| good	0.204 \| good
2026-01-20T23:00:00.000Z	54 \| moderate	11.308 \| good	50.041 \| good	28.954 \| good	1.08 \| good	7.768 \| good	0.214 \| good
2026-01-21T00:00:00.000Z	52 \| moderate	9.84 \| good	43.881 \| good	29.75 \| good	1.094 \| good	8.812 \| good	0.225 \| good
2026-01-21T01:00:00.000Z	71 \| moderate	19.61 \| fine	86.292 \| fine	24.386 \| good	1.278 \| good	11.982 \| good	0.294 \| good
2026-01-21T02:00:00.000Z	82 \| moderate	25.617 \| fine	111.556 \| fine	15.128 \| good	1.461 \| good	15.151 \| good	0.363 \| good
2026-01-21T03:00:00.000Z	86 \| moderate	27.72 \| fine	120.145 \| fine	10.973 \| good	1.644 \| good	18.321 \| good	0.432 \| good
2026-01-21T04:00:00.000Z	81 \| moderate	25.296 \| fine	110.41 \| fine	8.51 \| good	1.721 \| good	18.069 \| good	0.451 \| good
2026-01-21T05:00:00.000Z	82 \| moderate	25.996 \| fine	113.223 \| fine	9.247 \| good	1.797 \| good	17.817 \| good	0.47 \| good
2026-01-21T06:00:00.000Z	81 \| moderate	25.496 \| fine	110.953 \| fine	9.621 \| good	1.874 \| good	17.565 \| good	0.488 \| good
2026-01-21T07:00:00.000Z	75 \| moderate	22.145 \| fine	96.572 \| fine	7.666 \| good	1.728 \| good	17.09 \| good	0.468 \| good
2026-01-21T08:00:00.000Z	75 \| moderate	22.173 \| fine	97.304 \| fine	7.852 \| good	1.582 \| good	16.614 \| good	0.447 \| good
2026-01-21T09:00:00.000Z	71 \| moderate	20.25 \| fine	89.539 \| fine	5.203 \| good	1.436 \| good	16.139 \| good	0.427 \| good
2026-01-21T10:00:00.000Z	67 \| moderate	18.357 \| fine	80.695 \| fine	6.507 \| good	1.245 \| good	15.086 \| good	0.398 \| good
2026-01-21T11:00:00.000Z	64 \| moderate	16.395 \| fine	73.227 \| fine	7.267 \| good	1.053 \| good	14.032 \| good	0.369 \| good
2026-01-21T12:00:00.000Z	60 \| moderate	13.524 \| fine	60.209 \| fine	7.742 \| good	0.862 \| good	12.979 \| good	0.341 \| good
2026-01-21T13:00:00.000Z	60 \| moderate	13.826 \| fine	61.788 \| fine	8.206 \| good	0.946 \| good	13.039 \| good	0.334 \| good
2026-01-21T14:00:00.000Z	62 \| moderate	15.3 \| fine	67.86 \| fine	6.243 \| good	1.031 \| good	13.098 \| good	0.327 \| good
2026-01-21T15:00:00.000Z	62 \| moderate	14.901 \| fine	66.359 \| fine	4.218 \| good	1.115 \| good	13.158 \| good	0.321 \| good
2026-01-21T16:00:00.000Z	60 \| moderate	14.082 \| fine	62.512 \| fine	3.368 \| good	1.26 \| good	13.099 \| good	0.345 \| good
2026-01-21T17:00:00.000Z	58 \| moderate	13.142 \| fine	58.436 \| fine	6.904 \| good	1.405 \| good	13.04 \| good	0.368 \| good
2026-01-21T18:00:00.000Z	56 \| moderate	11.832 \| good	52.817 \| good	14.375 \| good	1.55 \| good	12.981 \| good	0.392 \| good
2026-01-21T19:00:00.000Z	56 \| moderate	11.757 \| good	52.437 \| good	21.838 \| good	1.697 \| good	13.069 \| good	0.359 \| good
2026-01-21T20:00:00.000Z	60 \| moderate	14.405 \| fine	64.662 \| fine	23.59 \| good	1.845 \| good	13.157 \| good	0.326 \| good
2026-01-21T21:00:00.000Z	60 \| moderate	13.868 \| fine	62.137 \| fine	26.259 \| good	1.993 \| good	13.245 \| good	0.293 \| good
2026-01-21T22:00:00.000Z	60 \| moderate	13.993 \| fine	62.463 \| fine	27.677 \| good	1.952 \| good	14.158 \| good	0.3 \| good
2026-01-21T23:00:00.000Z	56 \| moderate	12.059 \| good	53.816 \| good	25.91 \| good	1.912 \| good	15.071 \| good	0.307 \| good
2026-01-22T00:00:00.000Z	64 \| moderate	15.727 \| fine	16.04 \| good	11.407 \| good	1.864 \| good	15.912 \| good	0.314 \| 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

Air quality in nearby cities

Orangevale, California

El Dorado Hills, California

Fair Oaks, California

Granite Bay, California

Citrus Heights, California

Roseville, California

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?