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

The current PM10 concentration at Highland, California is 17.748 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Highland, California is 1.273 ppb.

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

The current ozone (O3) concentration at Highland, California is 23.909 ppm.

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

The current nitrogen dioxide (NO2) concentration at Highland, California is 27.146 ppb.

Highland, California live air quality index now

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

The current PM2.5 concentration at Highland, California is 4.648 μg/m3.

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)

4.65 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.75 μg/m³

155

255

425

605+

Ozone (O₃)

23.91 ppb

201

201+

Sulfur Dioxide (SO₂)

1.27 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

27.15 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.72 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

Please contact us for custom requests

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
2025-12-07T18:00:00.000Z	33 \| good	6.407 \| good	16.447 \| good	23.466 \| good	0.824 \| good	14.955 \| good	0.473 \| good
2025-12-07T19:00:00.000Z	27 \| good	5.413 \| good	16.727 \| good	28.256 \| good	0.802 \| good	10.296 \| good	0.333 \| good
2025-12-07T20:00:00.000Z	31 \| good	4.956 \| good	21.169 \| good	33.302 \| good	0.756 \| good	7.442 \| good	0.246 \| good
2025-12-07T21:00:00.000Z	34 \| good	4.142 \| good	13.618 \| good	37.046 \| good	0.695 \| good	6.363 \| good	0.27 \| good
2025-12-07T22:00:00.000Z	34 \| good	3.522 \| good	12.977 \| good	37.051 \| good	0.688 \| good	8.69 \| good	0.27 \| good
2025-12-07T23:00:00.000Z	34 \| good	3.449 \| good	11.532 \| good	37.069 \| good	0.817 \| good	7.889 \| good	0.274 \| good
2025-12-08T00:00:00.000Z	32 \| good	4.365 \| good	15.521 \| good	35.151 \| good	0.746 \| good	6.375 \| good	0.249 \| good
2025-12-08T01:00:00.000Z	33 \| good	6.121 \| good	21.41 \| good	31.947 \| good	0.639 \| good	15.966 \| good	0.357 \| good
2025-12-08T02:00:00.000Z	49 \| good	8.91 \| good	44.094 \| good	28.779 \| good	0.691 \| good	21.384 \| good	0.573 \| good
2025-12-08T03:00:00.000Z	56 \| moderate	11.72 \| good	42.872 \| good	24.374 \| good	0.841 \| good	29.742 \| good	0.834 \| good
2025-12-08T04:00:00.000Z	62 \| moderate	15.121 \| fine	54.489 \| good	20.232 \| good	0.898 \| good	32.953 \| good	0.869 \| good
2025-12-08T05:00:00.000Z	69 \| moderate	18.877 \| fine	57.163 \| fine	19.222 \| good	1.03 \| good	32.847 \| good	0.932 \| good
2025-12-08T06:00:00.000Z	71 \| moderate	19.779 \| fine	73.888 \| fine	17.293 \| good	1.015 \| good	30.973 \| good	0.873 \| good
2025-12-08T07:00:00.000Z	54 \| moderate	11.19 \| good	41.686 \| good	17.24 \| good	1.09 \| good	30.456 \| good	0.856 \| good
2025-12-08T08:00:00.000Z	56 \| moderate	11.513 \| good	39.281 \| good	15.328 \| good	1.055 \| good	26.946 \| good	0.912 \| good
2025-12-08T09:00:00.000Z	49 \| good	8.693 \| good	30.511 \| good	16.522 \| good	0.898 \| good	25.658 \| good	0.759 \| good
2025-12-08T10:00:00.000Z	38 \| good	7.331 \| good	22.142 \| good	16.852 \| good	0.89 \| good	22.929 \| good	0.697 \| good
2025-12-08T11:00:00.000Z	33 \| good	5.972 \| good	15.535 \| good	16.621 \| good	0.878 \| good	21.775 \| good	0.586 \| good
2025-12-08T12:00:00.000Z	27 \| good	5.203 \| good	18.422 \| good	18.199 \| good	0.853 \| good	20.352 \| good	0.561 \| good
2025-12-08T13:00:00.000Z	27 \| good	4.941 \| good	14.996 \| good	18.146 \| good	0.853 \| good	23.332 \| good	0.561 \| good
2025-12-08T14:00:00.000Z	27 \| good	5.192 \| good	15.4 \| good	19.58 \| good	0.862 \| good	25.674 \| good	0.56 \| good
2025-12-08T15:00:00.000Z	29 \| good	5.078 \| good	18.704 \| good	21.307 \| good	0.952 \| good	31.044 \| good	0.657 \| good
2025-12-08T16:00:00.000Z	44 \| good	8.231 \| good	32.115 \| good	21.289 \| good	1.144 \| good	29.964 \| good	0.714 \| good
2025-12-08T17:00:00.000Z	33 \| good	5.895 \| good	29.672 \| good	24.08 \| good	0.92 \| good	24.91 \| good	0.523 \| good
2025-12-08T18:00:00.000Z	33 \| good	6.387 \| good	31.156 \| good	27.565 \| good	0.762 \| good	18.223 \| good	0.341 \| good
2025-12-08T19:00:00.000Z	49 \| good	8.575 \| good	42.814 \| good	30.046 \| good	0.753 \| good	8.935 \| good	0.311 \| good
2025-12-08T20:00:00.000Z	30 \| good	4.858 \| good	23.755 \| good	32.086 \| good	0.728 \| good	6.924 \| good	0.112 \| good
2025-12-08T21:00:00.000Z	32 \| good	3.804 \| good	19.377 \| good	35.184 \| good	0.572 \| good	3.511 \| good	0.108 \| good
2025-12-08T22:00:00.000Z	34 \| good	3.344 \| good	20.914 \| good	36.685 \| good	0.517 \| good	4.482 \| good	0.108 \| good
2025-12-08T23:00:00.000Z	34 \| good	2.821 \| good	13.093 \| good	36.55 \| good	0.519 \| good	5.157 \| good	0.125 \| good
2025-12-09T00:00:00.000Z	32 \| good	2.362 \| good	12.975 \| good	35.004 \| good	0.583 \| good	10.702 \| good	0.125 \| good
2025-12-09T01:00:00.000Z	29 \| good	3.385 \| good	18.77 \| good	30.985 \| good	0.662 \| good	17.614 \| good	0.146 \| good
2025-12-09T02:00:00.000Z	28 \| good	4.895 \| good	22.935 \| good	29.71 \| good	0.609 \| good	17.382 \| good	0.155 \| good
2025-12-09T03:00:00.000Z	25 \| good	2.553 \| good	10.064 \| good	24.119 \| good	1.69 \| good	26.16 \| good	0.306 \| good
2025-12-09T04:00:00.000Z	27 \| good	5.212 \| good	23.785 \| good	25.769 \| good	0.697 \| good	14.142 \| good	0.184 \| good
2025-12-09T05:00:00.000Z	33 \| good	5.582 \| good	22.343 \| good	25.892 \| good	0.663 \| good	15.668 \| good	0.226 \| good
2025-12-09T06:00:00.000Z	27 \| good	5.488 \| good	20.623 \| good	25.969 \| good	0.669 \| good	12.937 \| good	0.204 \| good
2025-12-09T07:00:00.000Z	33 \| good	5.928 \| good	17.503 \| good	25.969 \| good	0.381 \| good	14.958 \| good	0.266 \| good
2025-12-09T08:00:00.000Z	23 \| good	4.269 \| good	12.679 \| good	24.631 \| good	0.596 \| good	17.838 \| good	0.417 \| good
2025-12-09T09:00:00.000Z	27 \| good	5.181 \| good	16.224 \| good	23.093 \| good	0.531 \| good	12.196 \| good	0.342 \| good
2025-12-09T10:00:00.000Z	21 \| good	2.664 \| good	10.18 \| good	22.909 \| good	0.558 \| good	15.735 \| good	0.319 \| good
2025-12-09T11:00:00.000Z	20 \| good	2.958 \| good	12.048 \| good	21.97 \| good	0.835 \| good	17.223 \| good	0.32 \| good
2025-12-09T12:00:00.000Z	21 \| good	1.925 \| good	8.866 \| good	21.796 \| good	0.751 \| good	21.751 \| good	0.303 \| good
2025-12-09T13:00:00.000Z	20 \| good	2.374 \| good	14.219 \| good	21.796 \| good	0.752 \| good	21.404 \| good	0.303 \| good
2025-12-09T14:00:00.000Z	23 \| good	3.252 \| good	17.084 \| good	20.999 \| good	0.86 \| good	24.251 \| good	0.548 \| good
2025-12-09T15:00:00.000Z	25 \| good	3.899 \| good	17.143 \| good	22.575 \| good	1.033 \| good	27.01 \| good	0.561 \| good
2025-12-09T16:00:00.000Z	27 \| good	4.648 \| good	17.748 \| good	23.909 \| good	1.273 \| good	27.146 \| good	0.724 \| good
2025-12-09T17:00:00.000Z	27 \| good	4.648 \| good	17.748 \| good	23.909 \| good	1.273 \| good	27.146 \| good	0.724 \| good
2025-12-09T18:00:00.000Z	27 \| good	2.387 \| good	10.062 \| good	29.226 \| good	1.464 \| good	9.601 \| good	0.228 \| good
2025-12-09T19:00:00.000Z	32 \| good	0.981 \| good	4.021 \| good	34.59 \| good	1.465 \| good	8.037 \| good	0.204 \| good
2025-12-09T20:00:00.000Z	34 \| good	0.197 \| good	0.107 \| good	36.701 \| good	1.467 \| good	6.472 \| good	0.18 \| good
2025-12-09T21:00:00.000Z	35 \| good	1.391 \| good	5.052 \| good	37.745 \| good	1.469 \| good	4.908 \| good	0.156 \| good
2025-12-09T22:00:00.000Z	35 \| good	0.502 \| good	2.02 \| good	37.644 \| good	1.53 \| good	6.214 \| good	0.162 \| good
2025-12-09T23:00:00.000Z	32 \| good	1.339 \| good	4.989 \| good	35.288 \| good	1.59 \| good	7.521 \| good	0.169 \| good
2025-12-10T00:00:00.000Z	26 \| good	1.849 \| good	7.961 \| good	28.048 \| good	1.651 \| good	8.828 \| good	0.175 \| good
2025-12-10T01:00:00.000Z	21 \| good	1.202 \| good	5.067 \| good	23.303 \| good	1.727 \| good	15.955 \| good	0.242 \| good
2025-12-10T02:00:00.000Z	22 \| good	3.55 \| good	16.028 \| good	21.171 \| good	1.802 \| good	23.083 \| good	0.308 \| good
2025-12-10T03:00:00.000Z	28 \| good	2.94 \| good	12.112 \| good	17.987 \| good	1.878 \| good	30.211 \| good	0.375 \| good
2025-12-10T04:00:00.000Z	27 \| good	3.43 \| good	15.075 \| good	19.336 \| good	1.744 \| good	28.522 \| good	0.355 \| good
2025-12-10T05:00:00.000Z	25 \| good	3.709 \| good	16.09 \| good	19.681 \| good	1.609 \| good	26.834 \| good	0.336 \| good
2025-12-10T06:00:00.000Z	24 \| good	3.205 \| good	14.044 \| good	20.208 \| good	1.475 \| good	25.146 \| good	0.316 \| good
2025-12-10T07:00:00.000Z	27 \| good	4.658 \| good	20.102 \| good	20.243 \| good	1.302 \| good	21.954 \| good	0.291 \| good
2025-12-10T08:00:00.000Z	27 \| good	4.542 \| good	20.04 \| good	20.113 \| good	1.13 \| good	18.763 \| good	0.266 \| good
2025-12-10T09:00:00.000Z	18 \| good	2.152 \| good	9.021 \| good	18.897 \| good	0.957 \| good	15.571 \| good	0.242 \| good
2025-12-10T10:00:00.000Z	17 \| good	0.716 \| good	2.985 \| good	18.221 \| good	0.913 \| good	13.922 \| good	0.227 \| good
2025-12-10T11:00:00.000Z	17 \| good	0.258 \| good	1.014 \| good	18.459 \| good	0.869 \| good	12.273 \| good	0.212 \| good
2025-12-10T12:00:00.000Z	18 \| good	0.879 \| good	3.07 \| good	18.731 \| good	0.825 \| good	10.624 \| good	0.197 \| good
2025-12-10T13:00:00.000Z	16 \| good	0.864 \| good	3.049 \| good	16.832 \| good	0.914 \| good	12.332 \| good	0.21 \| good
2025-12-10T14:00:00.000Z	16 \| good	1.524 \| good	6.025 \| good	16.582 \| good	1.003 \| good	14.039 \| good	0.223 \| good
2025-12-10T15:00:00.000Z	16 \| good	1.515 \| good	6.034 \| good	16.658 \| good	1.092 \| good	15.747 \| good	0.236 \| good
2025-12-10T16:00:00.000Z	15 \| good	1.996 \| good	8.072 \| good	15.708 \| good	1.195 \| good	13.919 \| good	0.235 \| good
2025-12-10T17:00:00.000Z	20 \| good	2.237 \| good	9.111 \| good	22.141 \| good	1.297 \| good	12.091 \| good	0.234 \| good
2025-12-10T18:00:00.000Z	28 \| good	1.127 \| good	5.024 \| good	29.673 \| good	1.4 \| good	10.263 \| good	0.234 \| good
2025-12-10T19:00:00.000Z	32 \| good	0.386 \| good	1.073 \| good	34.765 \| good	1.375 \| good	8.135 \| good	0.198 \| good
2025-12-10T20:00:00.000Z	35 \| good	1.18 \| good	4.945 \| good	38.234 \| good	1.351 \| good	6.007 \| good	0.161 \| good
2025-12-10T21:00:00.000Z	37 \| good	0.832 \| good	3.026 \| good	39.819 \| good	1.327 \| good	3.879 \| good	0.125 \| good
2025-12-10T22:00:00.000Z	36 \| good	1.533 \| good	5.945 \| good	39.236 \| good	1.446 \| good	5.719 \| good	0.135 \| good
2025-12-10T23:00:00.000Z	33 \| good	1.821 \| good	7.882 \| good	36.293 \| good	1.564 \| good	7.559 \| good	0.145 \| good
2025-12-11T00:00:00.000Z	26 \| good	2.028 \| good	7.979 \| good	28.089 \| good	1.683 \| good	9.4 \| good	0.154 \| good
2025-12-11T01:00:00.000Z	20 \| good	1.45 \| good	6.032 \| good	22.231 \| good	1.923 \| good	16.567 \| good	0.219 \| good
2025-12-11T02:00:00.000Z	23 \| good	2.074 \| good	8.15 \| good	23.25 \| good	2.163 \| good	23.735 \| good	0.284 \| good
2025-12-11T03:00:00.000Z	29 \| good	1.54 \| good	6.097 \| good	18.295 \| good	2.404 \| good	30.902 \| good	0.349 \| good
2025-12-11T04:00:00.000Z	27 \| good	2.192 \| good	9.075 \| good	18.496 \| good	2.111 \| good	29.494 \| good	0.343 \| good
2025-12-11T05:00:00.000Z	26 \| good	2.783 \| good	11.11 \| good	19.749 \| good	1.819 \| good	28.087 \| good	0.336 \| good
2025-12-11T06:00:00.000Z	25 \| good	2.765 \| good	11.094 \| good	18.779 \| good	1.527 \| good	26.679 \| good	0.33 \| good
2025-12-11T07:00:00.000Z	22 \| good	3.528 \| good	16.041 \| good	18.391 \| good	1.369 \| good	23.4 \| good	0.296 \| good
2025-12-11T08:00:00.000Z	19 \| good	2.636 \| good	11.049 \| good	18.398 \| good	1.211 \| good	20.12 \| good	0.261 \| good
2025-12-11T09:00:00.000Z	17 \| good	1.042 \| good	4.057 \| good	18.22 \| good	1.054 \| good	16.841 \| good	0.227 \| good
2025-12-11T10:00:00.000Z	17 \| good	0.655 \| good	2.036 \| good	17.934 \| good	1.033 \| good	14.808 \| good	0.211 \| good
2025-12-11T11:00:00.000Z	19 \| good	0.594 \| good	2.013 \| good	19.741 \| good	1.012 \| good	12.776 \| good	0.195 \| good
2025-12-11T12:00:00.000Z	19 \| good	0.486 \| good	1.994 \| good	19.738 \| good	0.991 \| good	10.744 \| good	0.179 \| good
2025-12-11T13:00:00.000Z	15 \| good	0.488 \| good	2 \| good	16.375 \| good	1.066 \| good	12.569 \| good	0.196 \| good
2025-12-11T14:00:00.000Z	14 \| good	0.832 \| good	3.05 \| good	14.913 \| good	1.14 \| good	14.395 \| good	0.213 \| good
2025-12-11T15:00:00.000Z	15 \| good	1.509 \| good	6.039 \| good	13.754 \| good	1.214 \| good	16.221 \| good	0.229 \| good
2025-12-11T16:00:00.000Z	16 \| good	3.045 \| good	12.159 \| good	15.063 \| good	1.374 \| good	14.314 \| good	0.226 \| good
2025-12-11T17:00:00.000Z	19 \| good	2.468 \| good	10.089 \| good	21.471 \| good	1.534 \| good	12.407 \| good	0.223 \| good

Highland

Get reliable air quality data to drive your business

Highland, California air quality map: Track AQI near you

0.73ppm

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

Air quality levels in US

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

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 07:00:00 on 2025-12-08.

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 01:00:00 on 2025-12-09.

What is the current air quality in Highland, California?

The current air quality in Highland, California is 27, 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 4.648 μg/m³.

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

The current PM₁₀ concentration at Highland, California is 17.748 μg/m³.

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

The current carbon monoxide (CO) concentration at Highland, California is 0.724 ppm.

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

The current sulfur dioxide (SO₂) concentration at Highland, California is 1.273 ppb.

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

The current ozone (O₃) concentration at Highland, California is 23.909 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Highland, California is 27.146 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions