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

The current PM10 concentration at Highland, California is 40.486 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Highland, California is 1.059 ppb.

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

The current ozone (O3) concentration at Highland, California is 19.918 ppm.

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

The current nitrogen dioxide (NO2) concentration at Highland, California is 31.584 ppb.

Highland, California live air quality index now

Name: Live air pollution levels in Highland, California today
Creator: Ambee

Stay updated with real-time air quality in Highland, 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

Highland, California

Last updated: ... (Local time)

Major air pollutants in Highland, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.24 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

40.49 μg/m³

155

255

425

605+

Ozone (O₃)

19.92 ppb

201

201+

Sulfur Dioxide (SO₂)

1.06 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

31.58 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.80 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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Highland, California

Scroll To Air Quality Map

Track live Highland, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T16:00:00.000Z	38 \| good	6.757 \| good	25.291 \| good	21.307 \| good	0.662 \| good	20.614 \| good	0.49 \| good
2025-10-19T17:00:00.000Z	27 \| good	5.424 \| good	21.36 \| good	28.352 \| good	0.579 \| good	13.181 \| good	0.312 \| good
2025-10-19T18:00:00.000Z	33 \| good	4.255 \| good	18.304 \| good	35.593 \| good	0.484 \| good	7.741 \| good	0.224 \| good
2025-10-19T19:00:00.000Z	37 \| good	3.484 \| good	20.236 \| good	39.824 \| good	0.466 \| good	6.106 \| good	0.19 \| good
2025-10-19T20:00:00.000Z	46 \| good	4.243 \| good	19.904 \| good	49.854 \| good	0.439 \| good	5.008 \| good	0.196 \| good
2025-10-19T21:00:00.000Z	58 \| moderate	3.684 \| good	17.379 \| good	56.948 \| fine	0.464 \| good	4.307 \| good	0.196 \| good
2025-10-19T22:00:00.000Z	74 \| moderate	3.731 \| good	17.591 \| good	61.897 \| fine	0.448 \| good	3.85 \| good	0.196 \| good
2025-10-19T23:00:00.000Z	87 \| moderate	3.726 \| good	15.484 \| good	65.625 \| fine	0.468 \| good	4.327 \| good	0.212 \| good
2025-10-20T00:00:00.000Z	97 \| moderate	4.276 \| good	16.497 \| good	69.466 \| fine	0.494 \| good	4.422 \| good	0.212 \| good
2025-10-20T01:00:00.000Z	84 \| moderate	4.953 \| good	18.566 \| good	64.637 \| fine	0.789 \| good	6.055 \| good	0.212 \| good
2025-10-20T02:00:00.000Z	67 \| moderate	5.104 \| good	21.139 \| good	60.021 \| fine	0.923 \| good	9.57 \| good	0.214 \| good
2025-10-20T03:00:00.000Z	54 \| moderate	6.153 \| good	27.157 \| good	55.811 \| fine	0.669 \| good	12.932 \| good	0.302 \| good
2025-10-20T04:00:00.000Z	47 \| good	7.778 \| good	30.859 \| good	51.048 \| good	0.456 \| good	17.359 \| good	0.402 \| good
2025-10-20T05:00:00.000Z	52 \| moderate	10.128 \| good	33.527 \| good	40.999 \| good	0.544 \| good	23.578 \| good	0.521 \| good
2025-10-20T06:00:00.000Z	52 \| moderate	9.965 \| good	41.249 \| good	35.518 \| good	0.445 \| good	25.077 \| good	0.418 \| good
2025-10-20T07:00:00.000Z	44 \| good	7.578 \| good	32.221 \| good	35.518 \| good	0.456 \| good	25.741 \| good	0.418 \| good
2025-10-20T08:00:00.000Z	49 \| good	8.967 \| good	31.911 \| good	26.069 \| good	0.449 \| good	26.22 \| good	0.514 \| good
2025-10-20T09:00:00.000Z	44 \| good	8.219 \| good	29.4 \| good	24.535 \| good	0.471 \| good	22.64 \| good	0.487 \| good
2025-10-20T10:00:00.000Z	33 \| good	6.459 \| good	25.476 \| good	23.521 \| good	0.406 \| good	22.163 \| good	0.499 \| good
2025-10-20T11:00:00.000Z	33 \| good	6.262 \| good	23.742 \| good	19.669 \| good	0.504 \| good	23.733 \| good	0.565 \| good
2025-10-20T12:00:00.000Z	33 \| good	5.884 \| good	23.411 \| good	17.745 \| good	0.465 \| good	22.796 \| good	0.565 \| good
2025-10-20T13:00:00.000Z	33 \| good	6.073 \| good	21.507 \| good	17.745 \| good	0.466 \| good	23.11 \| good	0.565 \| good
2025-10-20T14:00:00.000Z	33 \| good	6.087 \| good	24.659 \| good	18.772 \| good	0.49 \| good	26.269 \| good	0.608 \| good
2025-10-20T15:00:00.000Z	33 \| good	6.254 \| good	26.378 \| good	18.95 \| good	0.529 \| good	28.636 \| good	0.784 \| good
2025-10-20T16:00:00.000Z	49 \| good	8.626 \| good	36.5 \| good	23.625 \| good	1.184 \| good	27.723 \| good	0.64 \| good
2025-10-20T17:00:00.000Z	52 \| moderate	9.624 \| good	37.611 \| good	32.766 \| good	0.683 \| good	17.843 \| good	0.365 \| good
2025-10-20T18:00:00.000Z	44 \| good	7.547 \| good	31.454 \| good	42.966 \| good	0.598 \| good	9.77 \| good	0.265 \| good
2025-10-20T19:00:00.000Z	45 \| good	5.868 \| good	25.737 \| good	48.597 \| good	0.497 \| good	6.363 \| good	0.218 \| good
2025-10-20T20:00:00.000Z	51 \| moderate	4.049 \| good	17.095 \| good	55.203 \| fine	0.525 \| good	4.627 \| good	0.2 \| good
2025-10-20T21:00:00.000Z	61 \| moderate	3.522 \| good	16.441 \| good	58.446 \| fine	0.517 \| good	5.194 \| good	0.2 \| good
2025-10-20T22:00:00.000Z	74 \| moderate	3.265 \| good	15.284 \| good	61.855 \| fine	0.507 \| good	7.728 \| good	0.2 \| good
2025-10-20T23:00:00.000Z	80 \| moderate	3.746 \| good	15.501 \| good	63.57 \| fine	0.602 \| good	8.958 \| good	0.194 \| good
2025-10-21T00:00:00.000Z	67 \| moderate	4.222 \| good	19.491 \| good	59.804 \| fine	0.787 \| good	10.633 \| good	0.272 \| good
2025-10-21T01:00:00.000Z	51 \| moderate	4.73 \| good	23.886 \| good	54.992 \| good	0.824 \| good	14.846 \| good	0.284 \| good
2025-10-21T02:00:00.000Z	42 \| good	5.954 \| good	28.238 \| good	45.409 \| good	0.709 \| good	26.19 \| good	0.378 \| good
2025-10-21T03:00:00.000Z	62 \| moderate	15.009 \| fine	67.021 \| fine	33.478 \| good	4.403 \| good	22.338 \| good	0.344 \| good
2025-10-21T04:00:00.000Z	54 \| moderate	11.198 \| good	43.984 \| good	41.949 \| good	0.775 \| good	25.874 \| good	0.484 \| good
2025-10-21T05:00:00.000Z	52 \| moderate	10.277 \| good	46.202 \| good	42.15 \| good	0.709 \| good	34.295 \| good	0.506 \| good
2025-10-21T06:00:00.000Z	56 \| moderate	12.121 \| fine	55.005 \| fine	21.621 \| good	0.649 \| good	41.018 \| good	0.666 \| good
2025-10-21T07:00:00.000Z	54 \| moderate	11.333 \| good	46.144 \| good	21.621 \| good	0.655 \| good	42.673 \| good	0.666 \| good
2025-10-21T08:00:00.000Z	54 \| moderate	11.288 \| good	44.941 \| good	17.013 \| good	0.502 \| good	35.527 \| good	0.594 \| good
2025-10-21T09:00:00.000Z	52 \| moderate	9.922 \| good	39.887 \| good	17.013 \| good	0.502 \| good	34.909 \| good	0.588 \| good
2025-10-21T10:00:00.000Z	49 \| good	9.21 \| good	34.854 \| good	17.121 \| good	0.448 \| good	29.274 \| good	0.514 \| good
2025-10-21T11:00:00.000Z	44 \| good	7.614 \| good	31.803 \| good	14.764 \| good	0.541 \| good	27.77 \| good	0.502 \| good
2025-10-21T12:00:00.000Z	38 \| good	7.331 \| good	27.356 \| good	20.589 \| good	0.556 \| good	27.276 \| good	0.514 \| good
2025-10-21T13:00:00.000Z	38 \| good	7.29 \| good	26.944 \| good	18.653 \| good	0.558 \| good	27.622 \| good	0.514 \| good
2025-10-21T14:00:00.000Z	38 \| good	7.217 \| good	29.354 \| good	17.005 \| good	0.818 \| good	30.222 \| good	0.67 \| good
2025-10-21T15:00:00.000Z	49 \| good	9.237 \| good	40.486 \| good	19.918 \| good	1.059 \| good	31.584 \| good	0.802 \| good
2025-10-21T15:00:00.000Z	49 \| good	9.237 \| good	40.486 \| good	19.918 \| good	1.059 \| good	31.584 \| good	0.802 \| good
2025-10-21T16:00:00.000Z	27 \| good	4.741 \| good	20.541 \| good	28.435 \| good	1.438 \| good	9.407 \| good	0.211 \| good
2025-10-21T17:00:00.000Z	35 \| good	5.56 \| good	23.642 \| good	38.367 \| good	1.656 \| good	6.512 \| good	0.177 \| good
2025-10-21T18:00:00.000Z	43 \| good	5.681 \| good	24.235 \| good	45.662 \| good	1.874 \| good	3.617 \| good	0.142 \| good
2025-10-21T19:00:00.000Z	49 \| good	5.384 \| good	23.025 \| good	53.041 \| good	1.958 \| good	3.226 \| good	0.144 \| good
2025-10-21T20:00:00.000Z	64 \| moderate	7.197 \| good	31.965 \| good	59.115 \| fine	2.043 \| good	2.835 \| good	0.147 \| good
2025-10-21T21:00:00.000Z	84 \| moderate	8.783 \| good	38.032 \| good	65.053 \| fine	2.128 \| good	2.445 \| good	0.149 \| good
2025-10-21T22:00:00.000Z	100 \| moderate	10.815 \| good	47.928 \| good	70.024 \| fine	2.217 \| good	2.922 \| good	0.154 \| good
2025-10-21T23:00:00.000Z	112 \| sensitive	12.76 \| fine	56.93 \| fine	74.24 \| moderate	2.306 \| good	3.399 \| good	0.159 \| good
2025-10-22T00:00:00.000Z	90 \| moderate	13.023 \| fine	58.845 \| fine	67.043 \| fine	2.395 \| good	3.877 \| good	0.165 \| good
2025-10-22T01:00:00.000Z	54 \| moderate	10.631 \| good	46.883 \| good	51.244 \| good	2.826 \| good	9.119 \| good	0.209 \| good
2025-10-22T02:00:00.000Z	56 \| moderate	11.986 \| good	53.855 \| good	40.572 \| good	3.256 \| good	14.361 \| good	0.254 \| good
2025-10-22T03:00:00.000Z	60 \| moderate	13.582 \| fine	60.894 \| fine	36.627 \| good	3.686 \| good	19.602 \| good	0.299 \| good
2025-10-22T04:00:00.000Z	64 \| moderate	16.344 \| fine	72.906 \| fine	30.383 \| good	3.892 \| good	21.568 \| good	0.32 \| good
2025-10-22T05:00:00.000Z	62 \| moderate	14.848 \| fine	66.893 \| fine	30.118 \| good	4.098 \| good	23.534 \| good	0.341 \| good
2025-10-22T06:00:00.000Z	62 \| moderate	14.993 \| fine	66.961 \| fine	30.979 \| good	4.304 \| good	25.5 \| good	0.362 \| good
2025-10-22T07:00:00.000Z	62 \| moderate	14.823 \| fine	66.884 \| fine	30.924 \| good	4.44 \| good	23.834 \| good	0.359 \| good
2025-10-22T08:00:00.000Z	64 \| moderate	16.168 \| fine	72.82 \| fine	25.623 \| good	4.575 \| good	22.168 \| good	0.356 \| good
2025-10-22T09:00:00.000Z	66 \| moderate	16.926 \| fine	74.83 \| fine	21.521 \| good	4.71 \| good	20.502 \| good	0.354 \| good
2025-10-22T10:00:00.000Z	66 \| moderate	17.283 \| fine	76.762 \| fine	18.797 \| good	4.594 \| good	19.492 \| good	0.344 \| good
2025-10-22T11:00:00.000Z	64 \| moderate	16.367 \| fine	72.825 \| fine	17.519 \| good	4.479 \| good	18.483 \| good	0.335 \| good
2025-10-22T12:00:00.000Z	64 \| moderate	16.401 \| fine	72.827 \| fine	12.518 \| good	4.364 \| good	17.473 \| good	0.325 \| good
2025-10-22T13:00:00.000Z	67 \| moderate	18.45 \| fine	80.921 \| fine	13.967 \| good	4.266 \| good	18.334 \| good	0.345 \| good
2025-10-22T14:00:00.000Z	67 \| moderate	18.098 \| fine	79.095 \| fine	13.818 \| good	4.169 \| good	19.194 \| good	0.364 \| good
2025-10-22T15:00:00.000Z	64 \| moderate	15.944 \| fine	71.01 \| fine	20.228 \| good	4.072 \| good	20.054 \| good	0.383 \| good
2025-10-22T16:00:00.000Z	62 \| moderate	15.243 \| fine	68.901 \| fine	29.943 \| good	3.91 \| good	16.253 \| good	0.322 \| good
2025-10-22T17:00:00.000Z	58 \| moderate	12.895 \| fine	57.109 \| fine	38.117 \| good	3.748 \| good	12.452 \| good	0.261 \| good
2025-10-22T18:00:00.000Z	49 \| good	9.353 \| good	42.009 \| good	41.929 \| good	3.586 \| good	8.65 \| good	0.2 \| good
2025-10-22T19:00:00.000Z	42 \| good	7.23 \| good	32.021 \| good	44.79 \| good	3.137 \| good	7.373 \| good	0.184 \| good
2025-10-22T20:00:00.000Z	41 \| good	5.789 \| good	25.059 \| good	44.181 \| good	2.687 \| good	6.097 \| good	0.167 \| good
2025-10-22T21:00:00.000Z	41 \| good	4.388 \| good	19.045 \| good	43.842 \| good	2.237 \| good	4.82 \| good	0.15 \| good
2025-10-22T22:00:00.000Z	41 \| good	4.089 \| good	17.992 \| good	44.451 \| good	2.412 \| good	5.361 \| good	0.151 \| good
2025-10-22T23:00:00.000Z	41 \| good	4.336 \| good	18.978 \| good	44.015 \| good	2.588 \| good	5.903 \| good	0.152 \| good
2025-10-23T00:00:00.000Z	41 \| good	4.536 \| good	19.97 \| good	44.492 \| good	2.763 \| good	6.444 \| good	0.153 \| good
2025-10-23T01:00:00.000Z	36 \| good	3.203 \| good	13.96 \| good	39.061 \| good	2.889 \| good	8.626 \| good	0.166 \| good
2025-10-23T02:00:00.000Z	31 \| good	4.412 \| good	19.002 \| good	33.942 \| good	3.014 \| good	10.807 \| good	0.178 \| good
2025-10-23T03:00:00.000Z	33 \| good	6.475 \| good	29.006 \| good	33.903 \| good	3.14 \| good	12.988 \| good	0.191 \| good
2025-10-23T04:00:00.000Z	52 \| moderate	9.931 \| good	44.068 \| good	28.482 \| good	3.21 \| good	14.892 \| good	0.204 \| good
2025-10-23T05:00:00.000Z	44 \| good	7.965 \| good	35.018 \| good	25.454 \| good	3.279 \| good	16.795 \| good	0.217 \| good
2025-10-23T06:00:00.000Z	44 \| good	8.32 \| good	36.974 \| good	21.678 \| good	3.349 \| good	18.699 \| good	0.23 \| good
2025-10-23T07:00:00.000Z	44 \| good	8.263 \| good	36.02 \| good	19.177 \| good	3.178 \| good	19.044 \| good	0.238 \| good
2025-10-23T08:00:00.000Z	49 \| good	8.79 \| good	38.064 \| good	17.434 \| good	3.006 \| good	19.389 \| good	0.246 \| good
2025-10-23T09:00:00.000Z	49 \| good	8.799 \| good	38.975 \| good	12.728 \| good	2.835 \| good	19.734 \| good	0.254 \| good
2025-10-23T10:00:00.000Z	52 \| moderate	9.678 \| good	42.95 \| good	13.121 \| good	2.638 \| good	18.597 \| good	0.249 \| good
2025-10-23T11:00:00.000Z	52 \| moderate	10.183 \| good	44.905 \| good	12.841 \| good	2.442 \| good	17.46 \| good	0.244 \| good
2025-10-23T12:00:00.000Z	49 \| good	9.192 \| good	40.826 \| good	11.008 \| good	2.246 \| good	16.323 \| good	0.24 \| good
2025-10-23T13:00:00.000Z	52 \| moderate	9.985 \| good	44.807 \| good	12.518 \| good	2.13 \| good	15.255 \| good	0.246 \| good
2025-10-23T14:00:00.000Z	44 \| good	8.091 \| good	35.844 \| good	12.952 \| good	2.014 \| good	14.187 \| good	0.252 \| good
2025-10-23T15:00:00.000Z	44 \| good	8.148 \| good	35.912 \| good	21.138 \| good	1.897 \| good	13.119 \| good	0.257 \| good

Highland

Get reliable air quality data to drive your business

Highland, California air quality map: Track AQI near you

0.75ppm

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 Highland, California updated?

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

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

The worst air quality in Highland, California in the last 24 hours was observed at 11:00:00 on 2025-10-20.

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

In the last 24 hrs, the best air quality in Highland, California was observed at 03:00:00 on 2025-10-20.

What is the current air quality in Highland, California?

The current air quality in Highland, California is 49, categorized as Good based on real-time data.

What pollutant is the most common in Highland, California?

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

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

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

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

The current PM_2.5 concentration at Highland, California is 9.237 μg/m³.

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

The current PM₁₀ concentration at Highland, California is 40.486 μg/m³.

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

The current carbon monoxide (CO) concentration at Highland, California is 0.802 ppm.

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

The current sulfur dioxide (SO₂) concentration at Highland, California is 1.059 ppb.

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

The current ozone (O₃) concentration at Highland, California is 19.918 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Highland, California is 31.584 ppb.

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