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

The current PM10 concentration at Highland, California is 39.339 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Highland, California is 0.521 ppb.

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

The current ozone (O3) concentration at Highland, California is 5.544 ppm.

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

The current nitrogen dioxide (NO2) concentration at Highland, California is 26.471 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 12.587 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)

Moderate

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)

12.59 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.34 μg/m³

155

255

425

605+

Ozone (O₃)

5.54 ppb

201

201+

Sulfur Dioxide (SO₂)

0.52 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

26.47 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.61 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
2026-01-21T11:00:00.000Z	22 \| good	4.3 \| good	15.885 \| good	20.05 \| good	0.571 \| good	19.837 \| good	0.569 \| good
2026-01-21T12:00:00.000Z	21 \| good	2.883 \| good	10.009 \| good	22.664 \| good	0.508 \| good	16.44 \| good	0.496 \| good
2026-01-21T13:00:00.000Z	22 \| good	3.785 \| good	15.04 \| good	22.673 \| good	0.472 \| good	17.302 \| good	0.496 \| good
2026-01-21T14:00:00.000Z	19 \| good	3.419 \| good	11.677 \| good	20.214 \| good	0.748 \| good	20.153 \| good	0.594 \| good
2026-01-21T15:00:00.000Z	19 \| good	3.024 \| good	14.314 \| good	17.935 \| good	0.877 \| good	19.645 \| good	0.754 \| good
2026-01-21T16:00:00.000Z	22 \| good	4.302 \| good	20.333 \| good	17.368 \| good	0.961 \| good	22.569 \| good	0.818 \| good
2026-01-21T17:00:00.000Z	33 \| good	6.336 \| good	28.478 \| good	13.564 \| good	1.031 \| good	22.33 \| good	0.77 \| good
2026-01-21T18:00:00.000Z	38 \| good	6.878 \| good	25.07 \| good	24.931 \| good	0.792 \| good	24.46 \| good	0.724 \| good
2026-01-21T19:00:00.000Z	38 \| good	6.73 \| good	32.082 \| good	26.594 \| good	0.923 \| good	24.637 \| good	0.74 \| good
2026-01-21T20:00:00.000Z	33 \| good	6.145 \| good	29.487 \| good	30.237 \| good	0.723 \| good	21.309 \| good	0.622 \| good
2026-01-21T21:00:00.000Z	33 \| good	5.761 \| good	19.34 \| good	31.269 \| good	0.554 \| good	9.552 \| good	0.653 \| good
2026-01-21T22:00:00.000Z	31 \| good	3.369 \| good	15.261 \| good	33.808 \| good	0.566 \| good	11.821 \| good	0.594 \| good
2026-01-21T23:00:00.000Z	32 \| good	4.254 \| good	9.242 \| good	34.53 \| good	0.556 \| good	17.024 \| good	0.546 \| good
2026-01-22T00:00:00.000Z	33 \| good	5.651 \| good	28.894 \| good	30.72 \| good	0.591 \| good	15.779 \| good	0.546 \| good
2026-01-22T01:00:00.000Z	52 \| moderate	10.268 \| good	33.534 \| good	25.144 \| good	0.487 \| good	15.799 \| good	0.528 \| good
2026-01-22T02:00:00.000Z	52 \| moderate	10.383 \| good	47.633 \| good	20.648 \| good	0.473 \| good	26.118 \| good	0.661 \| good
2026-01-22T03:00:00.000Z	62 \| moderate	14.929 \| fine	48.334 \| good	11.076 \| good	0.43 \| good	35.741 \| good	0.683 \| good
2026-01-22T04:00:00.000Z	64 \| moderate	15.824 \| fine	36.676 \| good	7.164 \| good	0.456 \| good	33.213 \| good	0.728 \| good
2026-01-22T05:00:00.000Z	71 \| moderate	19.707 \| fine	49.751 \| good	6.046 \| good	0.657 \| good	34.786 \| good	0.761 \| good
2026-01-22T06:00:00.000Z	64 \| moderate	15.626 \| fine	57.574 \| fine	7.686 \| good	0.536 \| good	37.449 \| good	0.828 \| good
2026-01-22T07:00:00.000Z	49 \| good	8.668 \| good	32.931 \| good	7.64 \| good	0.554 \| good	33.606 \| good	0.894 \| good
2026-01-22T08:00:00.000Z	49 \| good	9.354 \| good	29.772 \| good	8.53 \| good	0.573 \| good	31.145 \| good	0.81 \| good
2026-01-22T09:00:00.000Z	54 \| moderate	11.045 \| good	36.084 \| good	13.517 \| good	0.557 \| good	29.744 \| good	0.778 \| good
2026-01-22T10:00:00.000Z	56 \| moderate	12.042 \| good	39.416 \| good	16.292 \| good	0.567 \| good	24.151 \| good	0.769 \| good
2026-01-22T11:00:00.000Z	58 \| moderate	13.212 \| fine	40.889 \| good	16.809 \| good	0.658 \| good	18.87 \| good	0.649 \| good
2026-01-22T12:00:00.000Z	33 \| good	6.093 \| good	24.033 \| good	14.405 \| good	0.583 \| good	21.119 \| good	0.661 \| good
2026-01-22T13:00:00.000Z	38 \| good	6.581 \| good	21.397 \| good	14.389 \| good	0.584 \| good	21.551 \| good	0.661 \| good
2026-01-22T14:00:00.000Z	54 \| moderate	10.54 \| good	27.165 \| good	5.813 \| good	0.581 \| good	24.195 \| good	0.718 \| good
2026-01-22T15:00:00.000Z	62 \| moderate	14.503 \| fine	32.908 \| good	6.052 \| good	0.716 \| good	25.069 \| good	0.785 \| good
2026-01-22T16:00:00.000Z	71 \| moderate	19.663 \| fine	48.027 \| good	8.078 \| good	0.79 \| good	23.907 \| good	0.811 \| good
2026-01-22T17:00:00.000Z	71 \| moderate	20.461 \| fine	68.046 \| fine	10.746 \| good	0.876 \| good	21.536 \| good	0.754 \| good
2026-01-22T18:00:00.000Z	110 \| sensitive	39.049 \| moderate	104.521 \| fine	12.673 \| good	0.9 \| good	24.927 \| good	0.701 \| good
2026-01-22T19:00:00.000Z	81 \| moderate	25.239 \| fine	62.635 \| fine	14.525 \| good	0.752 \| good	22.485 \| good	0.704 \| good
2026-01-22T20:00:00.000Z	86 \| moderate	27.678 \| fine	51.45 \| good	16.321 \| good	0.592 \| good	30.271 \| good	0.599 \| good
2026-01-22T21:00:00.000Z	60 \| moderate	13.82 \| fine	37.114 \| good	20.606 \| good	0.589 \| good	28.265 \| good	0.607 \| good
2026-01-22T22:00:00.000Z	56 \| moderate	12.123 \| fine	38.076 \| good	21.665 \| good	0.623 \| good	29.518 \| good	0.598 \| good
2026-01-22T23:00:00.000Z	67 \| moderate	17.774 \| fine	67.926 \| fine	16.346 \| good	0.606 \| good	24.024 \| good	0.587 \| good
2026-01-23T00:00:00.000Z	82 \| moderate	26.158 \| fine	75.379 \| fine	10.986 \| good	0.428 \| good	38.228 \| good	0.599 \| good
2026-01-23T01:00:00.000Z	56 \| moderate	11.979 \| good	39.06 \| good	9.76 \| good	0.432 \| good	29.862 \| good	0.588 \| good
2026-01-23T02:00:00.000Z	44 \| good	8.273 \| good	28.42 \| good	8.608 \| good	0.417 \| good	26.589 \| good	0.598 \| good
2026-01-23T03:00:00.000Z	56 \| moderate	12.481 \| fine	55.98 \| fine	6.826 \| good	0.361 \| good	22.04 \| good	0.553 \| good
2026-01-23T04:00:00.000Z	56 \| moderate	11.6 \| good	40.495 \| good	7.841 \| good	0.358 \| good	23.444 \| good	0.53 \| good
2026-01-23T05:00:00.000Z	60 \| moderate	13.564 \| fine	35.832 \| good	6.987 \| good	0.51 \| good	24.001 \| good	0.622 \| good
2026-01-23T06:00:00.000Z	58 \| moderate	12.714 \| fine	50.365 \| good	6.1 \| good	0.422 \| good	24.225 \| good	0.608 \| good
2026-01-23T07:00:00.000Z	58 \| moderate	13.006 \| fine	53.482 \| good	6.162 \| good	0.425 \| good	25.691 \| good	0.608 \| good
2026-01-23T08:00:00.000Z	62 \| moderate	15.109 \| fine	37.832 \| good	5.022 \| good	0.534 \| good	26.828 \| good	0.607 \| good
2026-01-23T09:00:00.000Z	64 \| moderate	16.095 \| fine	31.166 \| good	5.055 \| good	0.522 \| good	24.539 \| good	0.616 \| good
2026-01-23T10:00:00.000Z	58 \| moderate	12.587 \| fine	39.339 \| good	5.544 \| good	0.521 \| good	26.471 \| good	0.611 \| good
2026-01-23T11:00:00.000Z	86 \| moderate	28.146 \| fine	122.161 \| fine	5.491 \| good	1.316 \| good	22.91 \| good	0.337 \| good
2026-01-23T12:00:00.000Z	88 \| moderate	28.955 \| fine	125.566 \| fine	4.142 \| good	1.232 \| good	21.508 \| good	0.306 \| good
2026-01-23T13:00:00.000Z	92 \| moderate	31.152 \| fine	134.716 \| fine	3.832 \| good	1.359 \| good	21.511 \| good	0.311 \| good
2026-01-23T14:00:00.000Z	94 \| moderate	31.775 \| fine	137.459 \| fine	4.571 \| good	1.487 \| good	21.514 \| good	0.316 \| good
2026-01-23T15:00:00.000Z	97 \| moderate	34.107 \| fine	147.96 \| fine	5.071 \| good	1.614 \| good	21.517 \| good	0.321 \| good
2026-01-23T16:00:00.000Z	94 \| moderate	32.377 \| fine	140.156 \| fine	6.909 \| good	2.111 \| good	17.996 \| good	0.283 \| good
2026-01-23T17:00:00.000Z	88 \| moderate	29.23 \| fine	126.571 \| fine	15.196 \| good	2.608 \| good	14.475 \| good	0.245 \| good
2026-01-23T18:00:00.000Z	82 \| moderate	25.792 \| fine	112.376 \| fine	23.443 \| good	3.105 \| good	10.954 \| good	0.206 \| good
2026-01-23T19:00:00.000Z	67 \| moderate	18.365 \| fine	80.555 \| fine	30.442 \| good	2.987 \| good	11.11 \| good	0.206 \| good
2026-01-23T20:00:00.000Z	58 \| moderate	12.726 \| fine	57.125 \| fine	34.702 \| good	2.868 \| good	11.266 \| good	0.206 \| good
2026-01-23T21:00:00.000Z	44 \| good	8.087 \| good	35.577 \| good	37.023 \| good	2.75 \| good	11.423 \| good	0.205 \| good
2026-01-23T22:00:00.000Z	35 \| good	6.45 \| good	28.677 \| good	38.324 \| good	2.938 \| good	13.391 \| good	0.208 \| good
2026-01-23T23:00:00.000Z	44 \| good	7.525 \| good	33.028 \| good	36.432 \| good	3.127 \| good	15.36 \| good	0.211 \| good
2026-01-24T00:00:00.000Z	62 \| moderate	15.034 \| fine	66.978 \| fine	32.599 \| good	3.315 \| good	17.328 \| good	0.213 \| good
2026-01-24T01:00:00.000Z	62 \| moderate	15.336 \| fine	68.156 \| fine	24.067 \| good	3.472 \| good	23.984 \| good	0.253 \| good
2026-01-24T02:00:00.000Z	64 \| moderate	16.054 \| fine	71.193 \| fine	18.539 \| good	3.629 \| good	30.639 \| good	0.292 \| good
2026-01-24T03:00:00.000Z	64 \| moderate	15.558 \| fine	69.803 \| fine	15.555 \| good	3.786 \| good	37.295 \| good	0.332 \| good
2026-01-24T04:00:00.000Z	62 \| moderate	15.363 \| fine	68.595 \| fine	15.036 \| good	3.821 \| good	37.014 \| good	0.336 \| good
2026-01-24T05:00:00.000Z	62 \| moderate	15.396 \| fine	68.72 \| fine	15.231 \| good	3.855 \| good	36.734 \| good	0.339 \| good
2026-01-24T06:00:00.000Z	60 \| moderate	13.598 \| fine	61.13 \| fine	13.182 \| good	3.889 \| good	36.453 \| good	0.343 \| good
2026-01-24T07:00:00.000Z	56 \| moderate	11.77 \| good	52.616 \| good	16.221 \| good	3.913 \| good	31.594 \| good	0.312 \| good
2026-01-24T08:00:00.000Z	54 \| moderate	10.874 \| good	48.863 \| good	15.734 \| good	3.937 \| good	26.736 \| good	0.281 \| good
2026-01-24T09:00:00.000Z	54 \| moderate	10.75 \| good	47.812 \| good	15.433 \| good	3.961 \| good	21.878 \| good	0.25 \| good
2026-01-24T10:00:00.000Z	44 \| good	8.179 \| good	36.536 \| good	13.573 \| good	4.135 \| good	19.689 \| good	0.234 \| good
2026-01-24T11:00:00.000Z	44 \| good	7.569 \| good	33.202 \| good	11.772 \| good	4.31 \| good	17.501 \| good	0.218 \| good
2026-01-24T12:00:00.000Z	38 \| good	7.001 \| good	30.709 \| good	12.666 \| good	4.485 \| good	15.312 \| good	0.202 \| good
2026-01-24T13:00:00.000Z	33 \| good	6.498 \| good	28.583 \| good	12.198 \| good	4.357 \| good	15.866 \| good	0.208 \| good
2026-01-24T14:00:00.000Z	27 \| good	5.156 \| good	22.705 \| good	10.539 \| good	4.229 \| good	16.419 \| good	0.214 \| good
2026-01-24T15:00:00.000Z	27 \| good	5.073 \| good	22.317 \| good	10.026 \| good	4.101 \| good	16.972 \| good	0.22 \| good
2026-01-24T16:00:00.000Z	33 \| good	6.195 \| good	26.936 \| good	17.453 \| good	4.245 \| good	15.129 \| good	0.213 \| good
2026-01-24T17:00:00.000Z	24 \| good	4.374 \| good	18.92 \| good	25.635 \| good	4.388 \| good	13.286 \| good	0.206 \| good
2026-01-24T18:00:00.000Z	28 \| good	3.755 \| good	16.339 \| good	29.894 \| good	4.531 \| good	11.443 \| good	0.198 \| good
2026-01-24T19:00:00.000Z	31 \| good	3.746 \| good	15.869 \| good	34.018 \| good	4.122 \| good	10.572 \| good	0.191 \| good
2026-01-24T20:00:00.000Z	34 \| good	2.623 \| good	10.978 \| good	37.274 \| good	3.713 \| good	9.701 \| good	0.183 \| good
2026-01-24T21:00:00.000Z	37 \| good	2.654 \| good	11.017 \| good	39.809 \| good	3.303 \| good	8.83 \| good	0.175 \| good
2026-01-24T22:00:00.000Z	39 \| good	3.775 \| good	16.408 \| good	41.733 \| good	2.835 \| good	8.202 \| good	0.166 \| good
2026-01-24T23:00:00.000Z	39 \| good	6.624 \| good	29.058 \| good	41.796 \| good	2.367 \| good	7.574 \| good	0.157 \| good
2026-01-25T00:00:00.000Z	54 \| moderate	11.157 \| good	50.023 \| good	44.494 \| good	1.9 \| good	6.946 \| good	0.148 \| good
2026-01-25T01:00:00.000Z	60 \| moderate	13.836 \| fine	62.244 \| fine	36.51 \| good	2.216 \| good	13.262 \| good	0.19 \| good
2026-01-25T02:00:00.000Z	62 \| moderate	15.241 \| fine	67.408 \| fine	27.786 \| good	2.532 \| good	19.578 \| good	0.233 \| good
2026-01-25T03:00:00.000Z	60 \| moderate	13.808 \| fine	62.274 \| fine	22.135 \| good	2.848 \| good	25.894 \| good	0.275 \| good
2026-01-25T04:00:00.000Z	58 \| moderate	13.233 \| fine	59.339 \| fine	18.459 \| good	2.499 \| good	24.855 \| good	0.292 \| good
2026-01-25T05:00:00.000Z	58 \| moderate	13.418 \| fine	60.401 \| fine	15.613 \| good	2.149 \| good	23.816 \| good	0.31 \| good
2026-01-25T06:00:00.000Z	71 \| moderate	19.901 \| fine	20.151 \| good	9.905 \| good	1.811 \| good	23.141 \| good	0.331 \| good
2026-01-25T07:00:00.000Z	54 \| moderate	10.616 \| good	47.169 \| good	12.721 \| good	1.406 \| good	20.771 \| good	0.294 \| good
2026-01-25T08:00:00.000Z	38 \| good	6.971 \| good	30.45 \| good	12.413 \| good	1.012 \| good	18.765 \| good	0.261 \| good
2026-01-25T09:00:00.000Z	27 \| good	4.972 \| good	21.484 \| good	13.469 \| good	0.619 \| good	16.759 \| good	0.229 \| good
2026-01-25T10:00:00.000Z	22 \| good	3.525 \| good	15.331 \| good	13.553 \| good	0.6 \| good	13.775 \| good	0.208 \| good

Highland

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Highland, California air quality map: Track AQI near you

0.60ppm

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 06:00:00 on 2026-01-22.

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 12:00:00 on 2026-01-22.

What is the current air quality in Highland, California?

The current air quality in Highland, California is 58, categorized as Moderate 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 12.587 μg/m³.

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

The current PM₁₀ concentration at Highland, California is 39.339 μg/m³.

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

The current carbon monoxide (CO) concentration at Highland, California is 0.611 ppm.

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

The current sulfur dioxide (SO₂) concentration at Highland, California is 0.521 ppb.

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

The current ozone (O₃) concentration at Highland, California is 5.544 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Highland, California is 26.471 ppb.

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