What is the sulfur dioxide (SO2) level in Grass Valley, California at the moment?

Currently, Grass Valley, California has a sulfur dioxide (SO2) concentration of 0.586 ppb.

What is the ozone (O3) level in Grass Valley, California at the moment?

The current ozone (O3) level in Grass Valley, California at the moment is 26.181 ppm.

What is the nitrogen dioxide (NO2) level in Grass Valley, California at the moment?

Nitrogen dioxide (NO2) level in Grass Valley, California at the moment is 2.439 ppb.

Live air quality index in Grass Valley, California today

Q: What is the PM2.5 level in Grass Valley, California at the moment?

PM2.5 levels in Grass Valley, California are currently 8.121 μg/m3.

Q: What is the PM10 level in Grass Valley, California at the moment?

The PM10 concentration in Grass Valley, California is 35.968 μg/m3 at the moment.

Stay updated with real-time air quality in Grass Valley, 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

Grass Valley, California

Last updated: ... (Local time)

Major air pollutants in Grass Valley, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.12 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.97 μg/m³

155

255

425

605+

Ozone (O₃)

26.18 ppb

201

201+

Sulfur Dioxide (SO₂)

0.59 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.44 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Grass Valley, California

Scroll To Air Quality Map

Track live Grass Valley, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-10T22:00:00.000Z	60 \| moderate	14 \| fine	26.985 \| good	29.274 \| good	0.669 \| good	5.907 \| good	0.349 \| good
2026-02-10T23:00:00.000Z	60 \| moderate	14.441 \| fine	54.353 \| good	27.858 \| good	0.632 \| good	3.196 \| good	0.347 \| good
2026-02-11T00:00:00.000Z	66 \| moderate	17.369 \| fine	58.271 \| fine	23.088 \| good	0.523 \| good	3.545 \| good	0.284 \| good
2026-02-11T01:00:00.000Z	64 \| moderate	16.397 \| fine	59.567 \| fine	21.628 \| good	0.609 \| good	5.362 \| good	0.284 \| good
2026-02-11T02:00:00.000Z	62 \| moderate	14.624 \| fine	43.618 \| good	24.621 \| good	0.613 \| good	6.43 \| good	0.303 \| good
2026-02-11T03:00:00.000Z	62 \| moderate	14.541 \| fine	21.292 \| good	24.233 \| good	0.572 \| good	7.378 \| good	0.255 \| good
2026-02-11T04:00:00.000Z	54 \| moderate	11.491 \| good	26.863 \| good	27.926 \| good	0.552 \| good	5.888 \| good	0.27 \| good
2026-02-11T05:00:00.000Z	56 \| moderate	11.851 \| good	28.474 \| good	26.864 \| good	0.592 \| good	6.047 \| good	0.201 \| good
2026-02-11T06:00:00.000Z	38 \| good	7.113 \| good	23.404 \| good	25.347 \| good	0.619 \| good	5.635 \| good	0.221 \| good
2026-02-11T07:00:00.000Z	27 \| good	4.595 \| good	12.877 \| good	27.199 \| good	0.597 \| good	4.552 \| good	0.221 \| good
2026-02-11T08:00:00.000Z	22 \| good	4.368 \| good	12.284 \| good	23.804 \| good	0.594 \| good	4.506 \| good	0.235 \| good
2026-02-11T09:00:00.000Z	30 \| good	5.396 \| good	18.541 \| good	32.191 \| good	0.573 \| good	2.605 \| good	0.219 \| good
2026-02-11T10:00:00.000Z	31 \| good	2.513 \| good	17.298 \| good	32.941 \| good	0.555 \| good	2.259 \| good	0.186 \| good
2026-02-11T11:00:00.000Z	33 \| good	6.04 \| good	15.852 \| good	27.998 \| good	0.572 \| good	1.625 \| good	0.187 \| good
2026-02-11T12:00:00.000Z	29 \| good	4.132 \| good	19.549 \| good	30.987 \| good	0.55 \| good	1.305 \| good	0.187 \| good
2026-02-11T13:00:00.000Z	28 \| good	2.651 \| good	11.99 \| good	30.173 \| good	0.569 \| good	1.718 \| good	0.155 \| good
2026-02-11T14:00:00.000Z	28 \| good	3.959 \| good	10.623 \| good	29.667 \| good	0.663 \| good	1.883 \| good	0.155 \| good
2026-02-11T15:00:00.000Z	38 \| good	7.486 \| good	16.637 \| good	30.747 \| good	0.578 \| good	2.171 \| good	0.134 \| good
2026-02-11T16:00:00.000Z	51 \| moderate	3.017 \| good	54.651 \| good	30.812 \| good	0.641 \| good	4.113 \| good	0.152 \| good
2026-02-11T17:00:00.000Z	31 \| good	4.906 \| good	13.24 \| good	33.247 \| good	0.635 \| good	4.619 \| good	0.199 \| good
2026-02-11T18:00:00.000Z	28 \| good	3.949 \| good	11.822 \| good	30.024 \| good	0.73 \| good	4.769 \| good	0.185 \| good
2026-02-11T19:00:00.000Z	31 \| good	3.686 \| good	13.742 \| good	32.88 \| good	0.751 \| good	3.473 \| good	0.153 \| good
2026-02-11T20:00:00.000Z	38 \| good	6.61 \| good	20.014 \| good	31.513 \| good	0.656 \| good	3.274 \| good	0.166 \| good
2026-02-11T21:00:00.000Z	33 \| good	6.029 \| good	13.728 \| good	29.237 \| good	0.573 \| good	3.537 \| good	0.151 \| good
2026-02-11T22:00:00.000Z	49 \| good	9.061 \| good	42.906 \| good	29.719 \| good	0.571 \| good	2.359 \| good	0.151 \| good
2026-02-11T23:00:00.000Z	31 \| good	1.912 \| good	7.152 \| good	33.529 \| good	0.57 \| good	2.182 \| good	0.171 \| good
2026-02-12T00:00:00.000Z	30 \| good	3.849 \| good	14.432 \| good	32.498 \| good	0.547 \| good	1.886 \| good	0.22 \| good
2026-02-12T01:00:00.000Z	31 \| good	3.902 \| good	6.885 \| good	33.691 \| good	0.528 \| good	2.401 \| good	0.22 \| good
2026-02-12T02:00:00.000Z	31 \| good	2.327 \| good	5.888 \| good	32.909 \| good	0.492 \| good	2.907 \| good	0.22 \| good
2026-02-12T03:00:00.000Z	28 \| good	3.477 \| good	7.377 \| good	30.217 \| good	0.488 \| good	2.935 \| good	0.22 \| good
2026-02-12T04:00:00.000Z	28 \| good	5.31 \| good	18.66 \| good	30.134 \| good	0.47 \| good	4.102 \| good	0.183 \| good
2026-02-12T05:00:00.000Z	52 \| moderate	10.351 \| good	50.559 \| good	31.492 \| good	0.489 \| good	4.632 \| good	0.199 \| good
2026-02-12T06:00:00.000Z	28 \| good	2.393 \| good	9.953 \| good	30.359 \| good	0.513 \| good	6.884 \| good	0.215 \| good
2026-02-12T07:00:00.000Z	26 \| good	1.497 \| good	8.573 \| good	28.012 \| good	0.513 \| good	5.719 \| good	0.215 \| good
2026-02-12T08:00:00.000Z	27 \| good	2.052 \| good	15.059 \| good	29.143 \| good	0.555 \| good	4.572 \| good	0.23 \| good
2026-02-12T09:00:00.000Z	25 \| good	2.455 \| good	10.949 \| good	26.697 \| good	0.574 \| good	3.38 \| good	0.23 \| good
2026-02-12T10:00:00.000Z	19 \| good	1.946 \| good	9.972 \| good	21.315 \| good	0.554 \| good	2.299 \| good	0.277 \| good
2026-02-12T11:00:00.000Z	26 \| good	1.618 \| good	6.066 \| good	28.043 \| good	0.486 \| good	3.376 \| good	0.277 \| good
2026-02-12T12:00:00.000Z	27 \| good	3.264 \| good	17.391 \| good	28.921 \| good	0.504 \| good	5.125 \| good	0.262 \| good
2026-02-12T13:00:00.000Z	29 \| good	2.991 \| good	12.097 \| good	31.175 \| good	0.689 \| good	4.308 \| good	0.246 \| good
2026-02-12T14:00:00.000Z	20 \| good	1.289 \| good	9.506 \| good	22.118 \| good	0.628 \| good	5.24 \| good	0.266 \| good
2026-02-12T15:00:00.000Z	30 \| good	2.289 \| good	11.724 \| good	31.975 \| good	0.569 \| good	7.707 \| good	0.313 \| good
2026-02-12T16:00:00.000Z	15 \| good	1.878 \| good	8.513 \| good	16.464 \| good	0.569 \| good	9.531 \| good	0.277 \| good
2026-02-12T17:00:00.000Z	20 \| good	2.616 \| good	16.246 \| good	21.634 \| good	0.623 \| good	10.806 \| good	0.281 \| good
2026-02-12T18:00:00.000Z	16 \| good	2.63 \| good	10.917 \| good	14.153 \| good	0.668 \| good	7.919 \| good	0.311 \| good
2026-02-12T19:00:00.000Z	27 \| good	5.485 \| good	9.044 \| good	20.864 \| good	0.731 \| good	4.896 \| good	0.266 \| good
2026-02-12T20:00:00.000Z	19 \| good	2.996 \| good	17.056 \| good	21.492 \| good	0.591 \| good	3.073 \| good	0.215 \| good
2026-02-12T21:00:00.000Z	22 \| good	2.448 \| good	21.724 \| good	24.003 \| good	0.555 \| good	2.237 \| good	0.215 \| good
2026-02-12T21:00:00.000Z	44 \| good	8.121 \| good	35.968 \| good	26.181 \| good	0.586 \| good	2.439 \| good	0.217 \| good
2026-02-12T22:00:00.000Z	35 \| good	3.509 \| good	14.575 \| good	38.158 \| good	0.2 \| good	0.564 \| good	0.124 \| good
2026-02-12T23:00:00.000Z	35 \| good	3.351 \| good	14.355 \| good	38.305 \| good	0.185 \| good	0.618 \| good	0.125 \| good
2026-02-13T00:00:00.000Z	35 \| good	3.315 \| good	14.901 \| good	37.564 \| good	0.17 \| good	0.671 \| good	0.126 \| good
2026-02-13T01:00:00.000Z	32 \| good	3.929 \| good	17.142 \| good	35.232 \| good	0.209 \| good	2.347 \| good	0.148 \| good
2026-02-13T02:00:00.000Z	28 \| good	3.715 \| good	16.107 \| good	29.751 \| good	0.247 \| good	4.024 \| good	0.17 \| good
2026-02-13T03:00:00.000Z	24 \| good	4.456 \| good	19.366 \| good	26.11 \| good	0.286 \| good	5.7 \| good	0.192 \| good
2026-02-13T04:00:00.000Z	27 \| good	4.573 \| good	19.928 \| good	28.498 \| good	0.303 \| good	6.262 \| good	0.206 \| good
2026-02-13T05:00:00.000Z	27 \| good	5.04 \| good	22.295 \| good	29.205 \| good	0.32 \| good	6.824 \| good	0.22 \| good
2026-02-13T06:00:00.000Z	31 \| good	5.048 \| good	22.06 \| good	32.628 \| good	0.336 \| good	7.386 \| good	0.234 \| good
2026-02-13T07:00:00.000Z	28 \| good	4.114 \| good	18.109 \| good	29.511 \| good	0.282 \| good	6.759 \| good	0.224 \| good
2026-02-13T08:00:00.000Z	27 \| good	4.396 \| good	19.197 \| good	28.569 \| good	0.228 \| good	6.131 \| good	0.215 \| good
2026-02-13T09:00:00.000Z	26 \| good	3.943 \| good	17.241 \| good	27.665 \| good	0.174 \| good	5.504 \| good	0.206 \| good
2026-02-13T10:00:00.000Z	28 \| good	3.856 \| good	16.729 \| good	29.647 \| good	0.166 \| good	5.006 \| good	0.194 \| good
2026-02-13T11:00:00.000Z	29 \| good	3.819 \| good	16.673 \| good	30.944 \| good	0.157 \| good	4.508 \| good	0.182 \| good
2026-02-13T12:00:00.000Z	28 \| good	3.727 \| good	16.396 \| good	30.148 \| good	0.148 \| good	4.01 \| good	0.17 \| good
2026-02-13T13:00:00.000Z	27 \| good	3.481 \| good	14.722 \| good	29.463 \| good	0.171 \| good	3.975 \| good	0.168 \| good
2026-02-13T14:00:00.000Z	30 \| good	3.094 \| good	12.999 \| good	31.55 \| good	0.193 \| good	3.939 \| good	0.166 \| good
2026-02-13T15:00:00.000Z	30 \| good	3.211 \| good	13.483 \| good	31.718 \| good	0.216 \| good	3.903 \| good	0.163 \| good
2026-02-13T16:00:00.000Z	27 \| good	3.263 \| good	13.731 \| good	29.106 \| good	0.25 \| good	3.339 \| good	0.162 \| good
2026-02-13T17:00:00.000Z	30 \| good	2.871 \| good	11.788 \| good	32.416 \| good	0.285 \| good	2.776 \| good	0.161 \| good
2026-02-13T18:00:00.000Z	33 \| good	3.103 \| good	13.28 \| good	36.182 \| good	0.319 \| good	2.213 \| good	0.16 \| good
2026-02-13T19:00:00.000Z	36 \| good	3.787 \| good	16.561 \| good	38.923 \| good	0.32 \| good	1.932 \| good	0.154 \| good
2026-02-13T20:00:00.000Z	37 \| good	3.672 \| good	16.111 \| good	39.558 \| good	0.321 \| good	1.652 \| good	0.148 \| good
2026-02-13T21:00:00.000Z	37 \| good	3.688 \| good	16.283 \| good	40.11 \| good	0.321 \| good	1.371 \| good	0.143 \| good
2026-02-13T22:00:00.000Z	36 \| good	4.221 \| good	18.521 \| good	38.758 \| good	0.3 \| good	1.406 \| good	0.143 \| good
2026-02-13T23:00:00.000Z	35 \| good	4.837 \| good	21.068 \| good	37.768 \| good	0.279 \| good	1.441 \| good	0.143 \| good
2026-02-14T00:00:00.000Z	31 \| good	5.199 \| good	22.808 \| good	34.068 \| good	0.258 \| good	1.476 \| good	0.144 \| good
2026-02-14T01:00:00.000Z	33 \| good	6 \| good	26.258 \| good	29.247 \| good	0.364 \| good	4.018 \| good	0.175 \| good
2026-02-14T02:00:00.000Z	44 \| good	7.544 \| good	33.405 \| good	25.91 \| good	0.47 \| good	6.56 \| good	0.206 \| good
2026-02-14T03:00:00.000Z	44 \| good	7.904 \| good	35.137 \| good	24.387 \| good	0.575 \| good	9.103 \| good	0.237 \| good
2026-02-14T04:00:00.000Z	44 \| good	8.003 \| good	35.475 \| good	26.724 \| good	0.563 \| good	8.717 \| good	0.238 \| good
2026-02-14T05:00:00.000Z	44 \| good	7.574 \| good	33.652 \| good	29.202 \| good	0.551 \| good	8.331 \| good	0.239 \| good
2026-02-14T06:00:00.000Z	49 \| good	8.656 \| good	8.967 \| good	20.312 \| good	0.546 \| good	8.032 \| good	0.24 \| good
2026-02-14T07:00:00.000Z	33 \| good	5.633 \| good	24.668 \| good	27.797 \| good	0.501 \| good	7.067 \| good	0.228 \| good
2026-02-14T08:00:00.000Z	27 \| good	4.812 \| good	21.041 \| good	26.836 \| good	0.463 \| good	6.189 \| good	0.216 \| good
2026-02-14T09:00:00.000Z	27 \| good	4.614 \| good	20.145 \| good	26.603 \| good	0.425 \| good	5.31 \| good	0.205 \| good
2026-02-14T10:00:00.000Z	30 \| good	4.708 \| good	20.442 \| good	31.971 \| good	0.401 \| good	4.78 \| good	0.196 \| good
2026-02-14T11:00:00.000Z	31 \| good	4.612 \| good	20.193 \| good	32.638 \| good	0.376 \| good	4.249 \| good	0.187 \| good
2026-02-14T12:00:00.000Z	33 \| good	6.207 \| good	6.72 \| good	20.387 \| good	0.357 \| good	3.798 \| good	0.179 \| good
2026-02-14T13:00:00.000Z	33 \| good	6.113 \| good	6.697 \| good	20.973 \| good	0.4 \| good	4.025 \| good	0.18 \| good
2026-02-14T14:00:00.000Z	33 \| good	6.086 \| good	6.75 \| good	21.559 \| good	0.443 \| good	4.252 \| good	0.181 \| good
2026-02-14T15:00:00.000Z	38 \| good	6.732 \| good	7.548 \| good	22.144 \| good	0.486 \| good	4.479 \| good	0.181 \| good
2026-02-14T16:00:00.000Z	27 \| good	4.692 \| good	20.439 \| good	29.406 \| good	0.671 \| good	4.232 \| good	0.181 \| good
2026-02-14T17:00:00.000Z	30 \| good	5.143 \| good	22.234 \| good	32.356 \| good	0.862 \| good	4.068 \| good	0.181 \| good
2026-02-14T18:00:00.000Z	44 \| good	7.695 \| good	10.058 \| good	31.519 \| good	1.055 \| good	3.925 \| good	0.182 \| good
2026-02-14T19:00:00.000Z	44 \| good	8.289 \| good	10.805 \| good	32.372 \| good	1.037 \| good	3.803 \| good	0.18 \| good
2026-02-14T20:00:00.000Z	44 \| good	8.446 \| good	10.531 \| good	33.224 \| good	1.018 \| good	3.681 \| good	0.178 \| good
2026-02-14T21:00:00.000Z	49 \| good	8.588 \| good	10.189 \| good	34.077 \| good	1 \| good	3.559 \| good	0.177 \| good

Grass Valley

Get reliable air quality data to drive your business

Grass Valley, California air quality map: Stay updated on AQI near you

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How accurate is California, USA air quality data?

Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Grass Valley, California?

The air quality information for Grass Valley, California is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Grass Valley, California at its worst?

In the past 24 hours, the air quality in Grass Valley, California was at its worst at 05:00:00 on 2026-02-12.

When did Grass Valley, California experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Grass Valley, California was observed at 04:00:00 on 2026-02-12.

What is the AQI in Grass Valley, California right now?

As of now, the AQI in Grass Valley, California is 44, indicating Good conditions.

What is the most common type of pollution in Grass Valley, California?

Grass Valley, California air has the highest levels of PM2.5.

What should I do in case of poor air quality in Grass Valley, California?

Poor air quality in Grass Valley, California means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Grass Valley, California at the moment?

PM_2.5 levels in Grass Valley, California are currently 8.121 μg/m³.

What is the PM₁₀ level in Grass Valley, California at the moment?

The PM₁₀ concentration in Grass Valley, California is 35.968 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Grass Valley, California at the moment?

The current carbon monoxide (CO) concentration in Grass Valley, California is 0.217 ppm.

What is the sulfur dioxide (SO₂) level in Grass Valley, California at the moment?

Currently, Grass Valley, California has a sulfur dioxide (SO₂) concentration of 0.586 ppb.

What is the ozone (O₃) level in Grass Valley, California at the moment?

The current ozone (O₃) level in Grass Valley, California at the moment is 26.181 ppm.

What is the nitrogen dioxide (NO₂) level in Grass Valley, California at the moment?

Nitrogen dioxide (NO₂) level in Grass Valley, California at the moment is 2.439 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-10T22:00:00.000Z	60 \| moderate	14 \| fine	26.985 \| good	29.274 \| good	0.669 \| good	5.907 \| good	0.349 \| good
2026-02-10T23:00:00.000Z	60 \| moderate	14.441 \| fine	54.353 \| good	27.858 \| good	0.632 \| good	3.196 \| good	0.347 \| good
2026-02-11T00:00:00.000Z	66 \| moderate	17.369 \| fine	58.271 \| fine	23.088 \| good	0.523 \| good	3.545 \| good	0.284 \| good
2026-02-11T01:00:00.000Z	64 \| moderate	16.397 \| fine	59.567 \| fine	21.628 \| good	0.609 \| good	5.362 \| good	0.284 \| good
2026-02-11T02:00:00.000Z	62 \| moderate	14.624 \| fine	43.618 \| good	24.621 \| good	0.613 \| good	6.43 \| good	0.303 \| good
2026-02-11T03:00:00.000Z	62 \| moderate	14.541 \| fine	21.292 \| good	24.233 \| good	0.572 \| good	7.378 \| good	0.255 \| good
2026-02-11T04:00:00.000Z	54 \| moderate	11.491 \| good	26.863 \| good	27.926 \| good	0.552 \| good	5.888 \| good	0.27 \| good
2026-02-11T05:00:00.000Z	56 \| moderate	11.851 \| good	28.474 \| good	26.864 \| good	0.592 \| good	6.047 \| good	0.201 \| good
2026-02-11T06:00:00.000Z	38 \| good	7.113 \| good	23.404 \| good	25.347 \| good	0.619 \| good	5.635 \| good	0.221 \| good
2026-02-11T07:00:00.000Z	27 \| good	4.595 \| good	12.877 \| good	27.199 \| good	0.597 \| good	4.552 \| good	0.221 \| good
2026-02-11T08:00:00.000Z	22 \| good	4.368 \| good	12.284 \| good	23.804 \| good	0.594 \| good	4.506 \| good	0.235 \| good
2026-02-11T09:00:00.000Z	30 \| good	5.396 \| good	18.541 \| good	32.191 \| good	0.573 \| good	2.605 \| good	0.219 \| good
2026-02-11T10:00:00.000Z	31 \| good	2.513 \| good	17.298 \| good	32.941 \| good	0.555 \| good	2.259 \| good	0.186 \| good
2026-02-11T11:00:00.000Z	33 \| good	6.04 \| good	15.852 \| good	27.998 \| good	0.572 \| good	1.625 \| good	0.187 \| good
2026-02-11T12:00:00.000Z	29 \| good	4.132 \| good	19.549 \| good	30.987 \| good	0.55 \| good	1.305 \| good	0.187 \| good
2026-02-11T13:00:00.000Z	28 \| good	2.651 \| good	11.99 \| good	30.173 \| good	0.569 \| good	1.718 \| good	0.155 \| good
2026-02-11T14:00:00.000Z	28 \| good	3.959 \| good	10.623 \| good	29.667 \| good	0.663 \| good	1.883 \| good	0.155 \| good
2026-02-11T15:00:00.000Z	38 \| good	7.486 \| good	16.637 \| good	30.747 \| good	0.578 \| good	2.171 \| good	0.134 \| good
2026-02-11T16:00:00.000Z	51 \| moderate	3.017 \| good	54.651 \| good	30.812 \| good	0.641 \| good	4.113 \| good	0.152 \| good
2026-02-11T17:00:00.000Z	31 \| good	4.906 \| good	13.24 \| good	33.247 \| good	0.635 \| good	4.619 \| good	0.199 \| good
2026-02-11T18:00:00.000Z	28 \| good	3.949 \| good	11.822 \| good	30.024 \| good	0.73 \| good	4.769 \| good	0.185 \| good
2026-02-11T19:00:00.000Z	31 \| good	3.686 \| good	13.742 \| good	32.88 \| good	0.751 \| good	3.473 \| good	0.153 \| good
2026-02-11T20:00:00.000Z	38 \| good	6.61 \| good	20.014 \| good	31.513 \| good	0.656 \| good	3.274 \| good	0.166 \| good
2026-02-11T21:00:00.000Z	33 \| good	6.029 \| good	13.728 \| good	29.237 \| good	0.573 \| good	3.537 \| good	0.151 \| good
2026-02-11T22:00:00.000Z	49 \| good	9.061 \| good	42.906 \| good	29.719 \| good	0.571 \| good	2.359 \| good	0.151 \| good
2026-02-11T23:00:00.000Z	31 \| good	1.912 \| good	7.152 \| good	33.529 \| good	0.57 \| good	2.182 \| good	0.171 \| good
2026-02-12T00:00:00.000Z	30 \| good	3.849 \| good	14.432 \| good	32.498 \| good	0.547 \| good	1.886 \| good	0.22 \| good
2026-02-12T01:00:00.000Z	31 \| good	3.902 \| good	6.885 \| good	33.691 \| good	0.528 \| good	2.401 \| good	0.22 \| good
2026-02-12T02:00:00.000Z	31 \| good	2.327 \| good	5.888 \| good	32.909 \| good	0.492 \| good	2.907 \| good	0.22 \| good
2026-02-12T03:00:00.000Z	28 \| good	3.477 \| good	7.377 \| good	30.217 \| good	0.488 \| good	2.935 \| good	0.22 \| good
2026-02-12T04:00:00.000Z	28 \| good	5.31 \| good	18.66 \| good	30.134 \| good	0.47 \| good	4.102 \| good	0.183 \| good
2026-02-12T05:00:00.000Z	52 \| moderate	10.351 \| good	50.559 \| good	31.492 \| good	0.489 \| good	4.632 \| good	0.199 \| good
2026-02-12T06:00:00.000Z	28 \| good	2.393 \| good	9.953 \| good	30.359 \| good	0.513 \| good	6.884 \| good	0.215 \| good
2026-02-12T07:00:00.000Z	26 \| good	1.497 \| good	8.573 \| good	28.012 \| good	0.513 \| good	5.719 \| good	0.215 \| good
2026-02-12T08:00:00.000Z	27 \| good	2.052 \| good	15.059 \| good	29.143 \| good	0.555 \| good	4.572 \| good	0.23 \| good
2026-02-12T09:00:00.000Z	25 \| good	2.455 \| good	10.949 \| good	26.697 \| good	0.574 \| good	3.38 \| good	0.23 \| good
2026-02-12T10:00:00.000Z	19 \| good	1.946 \| good	9.972 \| good	21.315 \| good	0.554 \| good	2.299 \| good	0.277 \| good
2026-02-12T11:00:00.000Z	26 \| good	1.618 \| good	6.066 \| good	28.043 \| good	0.486 \| good	3.376 \| good	0.277 \| good
2026-02-12T12:00:00.000Z	27 \| good	3.264 \| good	17.391 \| good	28.921 \| good	0.504 \| good	5.125 \| good	0.262 \| good
2026-02-12T13:00:00.000Z	29 \| good	2.991 \| good	12.097 \| good	31.175 \| good	0.689 \| good	4.308 \| good	0.246 \| good
2026-02-12T14:00:00.000Z	20 \| good	1.289 \| good	9.506 \| good	22.118 \| good	0.628 \| good	5.24 \| good	0.266 \| good
2026-02-12T15:00:00.000Z	30 \| good	2.289 \| good	11.724 \| good	31.975 \| good	0.569 \| good	7.707 \| good	0.313 \| good
2026-02-12T16:00:00.000Z	15 \| good	1.878 \| good	8.513 \| good	16.464 \| good	0.569 \| good	9.531 \| good	0.277 \| good
2026-02-12T17:00:00.000Z	20 \| good	2.616 \| good	16.246 \| good	21.634 \| good	0.623 \| good	10.806 \| good	0.281 \| good
2026-02-12T18:00:00.000Z	16 \| good	2.63 \| good	10.917 \| good	14.153 \| good	0.668 \| good	7.919 \| good	0.311 \| good
2026-02-12T19:00:00.000Z	27 \| good	5.485 \| good	9.044 \| good	20.864 \| good	0.731 \| good	4.896 \| good	0.266 \| good
2026-02-12T20:00:00.000Z	19 \| good	2.996 \| good	17.056 \| good	21.492 \| good	0.591 \| good	3.073 \| good	0.215 \| good
2026-02-12T21:00:00.000Z	22 \| good	2.448 \| good	21.724 \| good	24.003 \| good	0.555 \| good	2.237 \| good	0.215 \| good
2026-02-12T21:00:00.000Z	44 \| good	8.121 \| good	35.968 \| good	26.181 \| good	0.586 \| good	2.439 \| good	0.217 \| good
2026-02-12T22:00:00.000Z	35 \| good	3.509 \| good	14.575 \| good	38.158 \| good	0.2 \| good	0.564 \| good	0.124 \| good
2026-02-12T23:00:00.000Z	35 \| good	3.351 \| good	14.355 \| good	38.305 \| good	0.185 \| good	0.618 \| good	0.125 \| good
2026-02-13T00:00:00.000Z	35 \| good	3.315 \| good	14.901 \| good	37.564 \| good	0.17 \| good	0.671 \| good	0.126 \| good
2026-02-13T01:00:00.000Z	32 \| good	3.929 \| good	17.142 \| good	35.232 \| good	0.209 \| good	2.347 \| good	0.148 \| good
2026-02-13T02:00:00.000Z	28 \| good	3.715 \| good	16.107 \| good	29.751 \| good	0.247 \| good	4.024 \| good	0.17 \| good
2026-02-13T03:00:00.000Z	24 \| good	4.456 \| good	19.366 \| good	26.11 \| good	0.286 \| good	5.7 \| good	0.192 \| good
2026-02-13T04:00:00.000Z	27 \| good	4.573 \| good	19.928 \| good	28.498 \| good	0.303 \| good	6.262 \| good	0.206 \| good
2026-02-13T05:00:00.000Z	27 \| good	5.04 \| good	22.295 \| good	29.205 \| good	0.32 \| good	6.824 \| good	0.22 \| good
2026-02-13T06:00:00.000Z	31 \| good	5.048 \| good	22.06 \| good	32.628 \| good	0.336 \| good	7.386 \| good	0.234 \| good
2026-02-13T07:00:00.000Z	28 \| good	4.114 \| good	18.109 \| good	29.511 \| good	0.282 \| good	6.759 \| good	0.224 \| good
2026-02-13T08:00:00.000Z	27 \| good	4.396 \| good	19.197 \| good	28.569 \| good	0.228 \| good	6.131 \| good	0.215 \| good
2026-02-13T09:00:00.000Z	26 \| good	3.943 \| good	17.241 \| good	27.665 \| good	0.174 \| good	5.504 \| good	0.206 \| good
2026-02-13T10:00:00.000Z	28 \| good	3.856 \| good	16.729 \| good	29.647 \| good	0.166 \| good	5.006 \| good	0.194 \| good
2026-02-13T11:00:00.000Z	29 \| good	3.819 \| good	16.673 \| good	30.944 \| good	0.157 \| good	4.508 \| good	0.182 \| good
2026-02-13T12:00:00.000Z	28 \| good	3.727 \| good	16.396 \| good	30.148 \| good	0.148 \| good	4.01 \| good	0.17 \| good
2026-02-13T13:00:00.000Z	27 \| good	3.481 \| good	14.722 \| good	29.463 \| good	0.171 \| good	3.975 \| good	0.168 \| good
2026-02-13T14:00:00.000Z	30 \| good	3.094 \| good	12.999 \| good	31.55 \| good	0.193 \| good	3.939 \| good	0.166 \| good
2026-02-13T15:00:00.000Z	30 \| good	3.211 \| good	13.483 \| good	31.718 \| good	0.216 \| good	3.903 \| good	0.163 \| good
2026-02-13T16:00:00.000Z	27 \| good	3.263 \| good	13.731 \| good	29.106 \| good	0.25 \| good	3.339 \| good	0.162 \| good
2026-02-13T17:00:00.000Z	30 \| good	2.871 \| good	11.788 \| good	32.416 \| good	0.285 \| good	2.776 \| good	0.161 \| good
2026-02-13T18:00:00.000Z	33 \| good	3.103 \| good	13.28 \| good	36.182 \| good	0.319 \| good	2.213 \| good	0.16 \| good
2026-02-13T19:00:00.000Z	36 \| good	3.787 \| good	16.561 \| good	38.923 \| good	0.32 \| good	1.932 \| good	0.154 \| good
2026-02-13T20:00:00.000Z	37 \| good	3.672 \| good	16.111 \| good	39.558 \| good	0.321 \| good	1.652 \| good	0.148 \| good
2026-02-13T21:00:00.000Z	37 \| good	3.688 \| good	16.283 \| good	40.11 \| good	0.321 \| good	1.371 \| good	0.143 \| good
2026-02-13T22:00:00.000Z	36 \| good	4.221 \| good	18.521 \| good	38.758 \| good	0.3 \| good	1.406 \| good	0.143 \| good
2026-02-13T23:00:00.000Z	35 \| good	4.837 \| good	21.068 \| good	37.768 \| good	0.279 \| good	1.441 \| good	0.143 \| good
2026-02-14T00:00:00.000Z	31 \| good	5.199 \| good	22.808 \| good	34.068 \| good	0.258 \| good	1.476 \| good	0.144 \| good
2026-02-14T01:00:00.000Z	33 \| good	6 \| good	26.258 \| good	29.247 \| good	0.364 \| good	4.018 \| good	0.175 \| good
2026-02-14T02:00:00.000Z	44 \| good	7.544 \| good	33.405 \| good	25.91 \| good	0.47 \| good	6.56 \| good	0.206 \| good
2026-02-14T03:00:00.000Z	44 \| good	7.904 \| good	35.137 \| good	24.387 \| good	0.575 \| good	9.103 \| good	0.237 \| good
2026-02-14T04:00:00.000Z	44 \| good	8.003 \| good	35.475 \| good	26.724 \| good	0.563 \| good	8.717 \| good	0.238 \| good
2026-02-14T05:00:00.000Z	44 \| good	7.574 \| good	33.652 \| good	29.202 \| good	0.551 \| good	8.331 \| good	0.239 \| good
2026-02-14T06:00:00.000Z	49 \| good	8.656 \| good	8.967 \| good	20.312 \| good	0.546 \| good	8.032 \| good	0.24 \| good
2026-02-14T07:00:00.000Z	33 \| good	5.633 \| good	24.668 \| good	27.797 \| good	0.501 \| good	7.067 \| good	0.228 \| good
2026-02-14T08:00:00.000Z	27 \| good	4.812 \| good	21.041 \| good	26.836 \| good	0.463 \| good	6.189 \| good	0.216 \| good
2026-02-14T09:00:00.000Z	27 \| good	4.614 \| good	20.145 \| good	26.603 \| good	0.425 \| good	5.31 \| good	0.205 \| good
2026-02-14T10:00:00.000Z	30 \| good	4.708 \| good	20.442 \| good	31.971 \| good	0.401 \| good	4.78 \| good	0.196 \| good
2026-02-14T11:00:00.000Z	31 \| good	4.612 \| good	20.193 \| good	32.638 \| good	0.376 \| good	4.249 \| good	0.187 \| good
2026-02-14T12:00:00.000Z	33 \| good	6.207 \| good	6.72 \| good	20.387 \| good	0.357 \| good	3.798 \| good	0.179 \| good
2026-02-14T13:00:00.000Z	33 \| good	6.113 \| good	6.697 \| good	20.973 \| good	0.4 \| good	4.025 \| good	0.18 \| good
2026-02-14T14:00:00.000Z	33 \| good	6.086 \| good	6.75 \| good	21.559 \| good	0.443 \| good	4.252 \| good	0.181 \| good
2026-02-14T15:00:00.000Z	38 \| good	6.732 \| good	7.548 \| good	22.144 \| good	0.486 \| good	4.479 \| good	0.181 \| good
2026-02-14T16:00:00.000Z	27 \| good	4.692 \| good	20.439 \| good	29.406 \| good	0.671 \| good	4.232 \| good	0.181 \| good
2026-02-14T17:00:00.000Z	30 \| good	5.143 \| good	22.234 \| good	32.356 \| good	0.862 \| good	4.068 \| good	0.181 \| good
2026-02-14T18:00:00.000Z	44 \| good	7.695 \| good	10.058 \| good	31.519 \| good	1.055 \| good	3.925 \| good	0.182 \| good
2026-02-14T19:00:00.000Z	44 \| good	8.289 \| good	10.805 \| good	32.372 \| good	1.037 \| good	3.803 \| good	0.18 \| good
2026-02-14T20:00:00.000Z	44 \| good	8.446 \| good	10.531 \| good	33.224 \| good	1.018 \| good	3.681 \| good	0.178 \| good
2026-02-14T21:00:00.000Z	49 \| good	8.588 \| good	10.189 \| good	34.077 \| good	1 \| good	3.559 \| good	0.177 \| good

Live air quality index in Grass Valley, California today

Major air pollutants in Grass Valley, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)