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

The current PM10 concentration at Highland, California is 25.172 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Highland, California is 0.603 ppb.

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

The current ozone (O3) concentration at Highland, California is 28.378 ppm.

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

The current nitrogen dioxide (NO2) concentration at Highland, California is 4.857 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 5.619 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)

5.62 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.17 μg/m³

155

255

425

605+

Ozone (O₃)

28.38 ppb

201

201+

Sulfur Dioxide (SO₂)

0.60 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.86 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 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
2026-03-07T12:00:00.000Z	40 \| good	3.038 \| good	14.107 \| good	42.889 \| good	0.465 \| good	1.422 \| good	0.153 \| good
2026-03-07T13:00:00.000Z	40 \| good	3.379 \| good	15.211 \| good	42.889 \| good	0.464 \| good	1.175 \| good	0.153 \| good
2026-03-07T14:00:00.000Z	38 \| good	2.585 \| good	13.485 \| good	40.825 \| good	0.44 \| good	0.999 \| good	0.136 \| good
2026-03-07T15:00:00.000Z	39 \| good	3.711 \| good	18.68 \| good	42.456 \| good	0.498 \| good	1.755 \| good	0.131 \| good
2026-03-07T16:00:00.000Z	41 \| good	4.211 \| good	22.285 \| good	44.39 \| good	0.492 \| good	2.765 \| good	0.131 \| good
2026-03-07T17:00:00.000Z	40 \| good	7.115 \| good	38.138 \| good	43.365 \| good	0.493 \| good	1.393 \| good	0.131 \| good
2026-03-07T18:00:00.000Z	40 \| good	7.103 \| good	36.499 \| good	42.502 \| good	0.468 \| good	0.445 \| good	0.111 \| good
2026-03-07T19:00:00.000Z	39 \| good	5.302 \| good	28.623 \| good	42.348 \| good	0.43 \| good	0.284 \| good	0.111 \| good
2026-03-07T20:00:00.000Z	40 \| good	4.451 \| good	21.511 \| good	42.702 \| good	0.43 \| good	0.861 \| good	0.111 \| good
2026-03-07T21:00:00.000Z	40 \| good	3.578 \| good	18.711 \| good	42.721 \| good	0.506 \| good	0.941 \| good	0.111 \| good
2026-03-07T22:00:00.000Z	40 \| good	3.725 \| good	17.166 \| good	43.174 \| good	0.471 \| good	0.34 \| good	0.111 \| good
2026-03-07T23:00:00.000Z	42 \| good	2.294 \| good	14.011 \| good	45.213 \| good	0.517 \| good	0.667 \| good	0.111 \| good
2026-03-08T00:00:00.000Z	42 \| good	3.557 \| good	18.062 \| good	45.485 \| good	0.469 \| good	0.756 \| good	0.111 \| good
2026-03-08T01:00:00.000Z	42 \| good	2.882 \| good	12.787 \| good	44.735 \| good	0.515 \| good	0.897 \| good	0.111 \| good
2026-03-08T02:00:00.000Z	40 \| good	2.967 \| good	13.201 \| good	43.004 \| good	0.469 \| good	0.74 \| good	0.12 \| good
2026-03-08T03:00:00.000Z	41 \| good	0.897 \| good	3.046 \| good	43.728 \| good	0.549 \| good	8.38 \| good	0.173 \| good
2026-03-08T04:00:00.000Z	40 \| good	2.42 \| good	11.193 \| good	43.185 \| good	0.502 \| good	1.548 \| good	0.164 \| good
2026-03-08T05:00:00.000Z	43 \| good	2.429 \| good	11.973 \| good	45.527 \| good	0.586 \| good	2.575 \| good	0.22 \| good
2026-03-08T06:00:00.000Z	42 \| good	2.374 \| good	10.032 \| good	45.497 \| good	0.489 \| good	3.295 \| good	0.263 \| good
2026-03-08T07:00:00.000Z	43 \| good	2.119 \| good	10.248 \| good	45.538 \| good	0.49 \| good	3.833 \| good	0.263 \| good
2026-03-08T08:00:00.000Z	42 \| good	2.296 \| good	16.158 \| good	44.667 \| good	0.473 \| good	1.752 \| good	0.207 \| good
2026-03-08T09:00:00.000Z	38 \| good	2.715 \| good	13.833 \| good	41.005 \| good	0.478 \| good	1.159 \| good	0.187 \| good
2026-03-08T10:00:00.000Z	38 \| good	2.745 \| good	14.815 \| good	41.005 \| good	0.478 \| good	0.597 \| good	0.187 \| good
2026-03-08T11:00:00.000Z	38 \| good	2.743 \| good	15.763 \| good	41.005 \| good	0.481 \| good	0.579 \| good	0.187 \| good
2026-03-08T12:00:00.000Z	38 \| good	2.985 \| good	13.262 \| good	41.005 \| good	0.44 \| good	8.474 \| good	0.423 \| good
2026-03-08T13:00:00.000Z	38 \| good	2.212 \| good	9.798 \| good	41.005 \| good	0.583 \| good	11.224 \| good	0.423 \| good
2026-03-08T14:00:00.000Z	30 \| good	2.255 \| good	9.85 \| good	31.511 \| good	0.474 \| good	4.719 \| good	0.299 \| good
2026-03-08T15:00:00.000Z	27 \| good	2.398 \| good	10.668 \| good	28.818 \| good	0.585 \| good	9.33 \| good	0.324 \| good
2026-03-08T16:00:00.000Z	28 \| good	3.048 \| good	14.303 \| good	30.27 \| good	0.546 \| good	8.322 \| good	0.301 \| good
2026-03-08T17:00:00.000Z	30 \| good	2.481 \| good	12.778 \| good	32.156 \| good	0.528 \| good	6.351 \| good	0.241 \| good
2026-03-08T18:00:00.000Z	35 \| good	3.004 \| good	14.599 \| good	37.883 \| good	0.484 \| good	1.345 \| good	0.192 \| good
2026-03-08T19:00:00.000Z	37 \| good	3.021 \| good	16.685 \| good	40.18 \| good	0.487 \| good	0.593 \| good	0.154 \| good
2026-03-08T20:00:00.000Z	40 \| good	3.243 \| good	18.039 \| good	43.283 \| good	0.471 \| good	0.657 \| good	0.136 \| good
2026-03-08T21:00:00.000Z	40 \| good	3.204 \| good	16.443 \| good	43.463 \| good	0.526 \| good	0.475 \| good	0.123 \| good
2026-03-08T22:00:00.000Z	44 \| good	2.226 \| good	11.608 \| good	47.298 \| good	0.6 \| good	0.485 \| good	0.123 \| good
2026-03-08T23:00:00.000Z	46 \| good	2.752 \| good	14.581 \| good	50.175 \| good	0.517 \| good	0.456 \| good	0.122 \| good
2026-03-09T00:00:00.000Z	46 \| good	2.341 \| good	11.245 \| good	50.205 \| good	0.532 \| good	0.373 \| good	0.134 \| good
2026-03-09T01:00:00.000Z	44 \| good	1.736 \| good	8.251 \| good	48.003 \| good	0.567 \| good	1.136 \| good	0.122 \| good
2026-03-09T02:00:00.000Z	43 \| good	2.606 \| good	11.753 \| good	46.188 \| good	0.583 \| good	1.573 \| good	0.131 \| good
2026-03-09T03:00:00.000Z	34 \| good	4.855 \| good	20.984 \| good	36.506 \| good	1.026 \| good	23.181 \| good	0.265 \| good
2026-03-09T04:00:00.000Z	38 \| good	3.465 \| good	20.975 \| good	40.591 \| good	0.562 \| good	7.624 \| good	0.305 \| good
2026-03-09T05:00:00.000Z	31 \| good	3.985 \| good	19.334 \| good	34.033 \| good	0.728 \| good	12.623 \| good	0.292 \| good
2026-03-09T06:00:00.000Z	27 \| good	5.038 \| good	24.634 \| good	27.16 \| good	0.526 \| good	19.833 \| good	0.253 \| good
2026-03-09T07:00:00.000Z	25 \| good	4.43 \| good	20.589 \| good	27.16 \| good	0.544 \| good	21.169 \| good	0.253 \| good
2026-03-09T08:00:00.000Z	33 \| good	5.748 \| good	24.647 \| good	23.601 \| good	0.687 \| good	23.954 \| good	0.343 \| good
2026-03-09T09:00:00.000Z	27 \| good	5.472 \| good	21.149 \| good	25.299 \| good	0.619 \| good	13.421 \| good	0.18 \| good
2026-03-09T10:00:00.000Z	27 \| good	4.687 \| good	18.622 \| good	26.744 \| good	0.558 \| good	5.752 \| good	0.194 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.619 \| good	25.172 \| good	28.378 \| good	0.603 \| good	4.857 \| good	0.211 \| good
2026-03-09T11:00:00.000Z	33 \| good	5.619 \| good	25.172 \| good	28.378 \| good	0.603 \| good	4.857 \| good	0.211 \| good
2026-03-09T12:00:00.000Z	23 \| good	2.501 \| good	10.055 \| good	25.289 \| good	0.961 \| good	14.205 \| good	0.221 \| good
2026-03-09T13:00:00.000Z	24 \| good	3.053 \| good	12.157 \| good	25.932 \| good	1.065 \| good	14.833 \| good	0.232 \| good
2026-03-09T14:00:00.000Z	23 \| good	4.328 \| good	19.019 \| good	24.695 \| good	1.17 \| good	15.461 \| good	0.244 \| good
2026-03-09T15:00:00.000Z	22 \| good	3.707 \| good	16.004 \| good	22.886 \| good	1.275 \| good	16.089 \| good	0.255 \| good
2026-03-09T16:00:00.000Z	33 \| good	5.656 \| good	23.975 \| good	26.631 \| good	1.441 \| good	12.78 \| good	0.23 \| good
2026-03-09T17:00:00.000Z	33 \| good	5.901 \| good	26.819 \| good	30.23 \| good	1.608 \| good	9.471 \| good	0.205 \| good
2026-03-09T18:00:00.000Z	34 \| good	6.006 \| good	26.816 \| good	36.528 \| good	1.774 \| good	6.162 \| good	0.179 \| good
2026-03-09T19:00:00.000Z	39 \| good	6.643 \| good	29.767 \| good	42.082 \| good	1.705 \| good	5.478 \| good	0.173 \| good
2026-03-09T20:00:00.000Z	44 \| good	7.615 \| good	33.818 \| good	45.33 \| good	1.635 \| good	4.794 \| good	0.166 \| good
2026-03-09T21:00:00.000Z	49 \| good	8.945 \| good	38.886 \| good	48.227 \| good	1.566 \| good	4.11 \| good	0.159 \| good
2026-03-09T22:00:00.000Z	48 \| good	8.499 \| good	36.949 \| good	52.172 \| good	1.584 \| good	4.094 \| good	0.155 \| good
2026-03-09T23:00:00.000Z	54 \| moderate	7.973 \| good	34.92 \| good	56.142 \| fine	1.603 \| good	4.078 \| good	0.151 \| good
2026-03-10T00:00:00.000Z	64 \| moderate	9.416 \| good	41.938 \| good	58.85 \| fine	1.621 \| good	4.062 \| good	0.148 \| good
2026-03-10T01:00:00.000Z	50 \| good	7.014 \| good	31.012 \| good	53.511 \| good	1.819 \| good	7.171 \| good	0.165 \| good
2026-03-10T02:00:00.000Z	43 \| good	4.98 \| good	21.077 \| good	46.481 \| good	2.017 \| good	10.28 \| good	0.182 \| good
2026-03-10T03:00:00.000Z	44 \| good	4.943 \| good	21.082 \| good	46.738 \| good	2.215 \| good	13.39 \| good	0.199 \| good
2026-03-10T04:00:00.000Z	39 \| good	5.376 \| good	23.066 \| good	41.681 \| good	2.322 \| good	16.843 \| good	0.219 \| good
2026-03-10T05:00:00.000Z	35 \| good	5.066 \| good	22.038 \| good	38.417 \| good	2.429 \| good	20.297 \| good	0.24 \| good
2026-03-10T06:00:00.000Z	33 \| good	5.028 \| good	22.004 \| good	36.071 \| good	2.535 \| good	23.75 \| good	0.261 \| good
2026-03-10T07:00:00.000Z	38 \| good	6.552 \| good	28.967 \| good	34.474 \| good	2.587 \| good	24.402 \| good	0.271 \| good
2026-03-10T08:00:00.000Z	33 \| good	6.462 \| good	28.955 \| good	35.86 \| good	2.639 \| good	25.054 \| good	0.282 \| good
2026-03-10T09:00:00.000Z	38 \| good	6.749 \| good	29.906 \| good	35.214 \| good	2.69 \| good	25.706 \| good	0.293 \| good
2026-03-10T10:00:00.000Z	33 \| good	6.388 \| good	27.976 \| good	35.049 \| good	2.712 \| good	20.05 \| good	0.26 \| good
2026-03-10T11:00:00.000Z	38 \| good	6.696 \| good	29.979 \| good	36.219 \| good	2.734 \| good	14.393 \| good	0.226 \| good
2026-03-10T12:00:00.000Z	29 \| good	5.409 \| good	23.066 \| good	31.292 \| good	2.756 \| good	8.737 \| good	0.193 \| good
2026-03-10T13:00:00.000Z	38 \| good	6.604 \| good	29.945 \| good	33.401 \| good	2.63 \| good	8.954 \| good	0.198 \| good
2026-03-10T14:00:00.000Z	33 \| good	5.711 \| good	25.027 \| good	34.038 \| good	2.505 \| good	9.172 \| good	0.204 \| good
2026-03-10T15:00:00.000Z	30 \| good	3.246 \| good	14.01 \| good	32.26 \| good	2.379 \| good	9.39 \| good	0.21 \| good
2026-03-10T16:00:00.000Z	33 \| good	5.922 \| good	26.941 \| good	35.986 \| good	2.346 \| good	7.765 \| good	0.191 \| good
2026-03-10T17:00:00.000Z	35 \| good	6.157 \| good	26.941 \| good	37.604 \| good	2.312 \| good	6.14 \| good	0.172 \| good
2026-03-10T18:00:00.000Z	38 \| good	6.674 \| good	29.905 \| good	39.362 \| good	2.279 \| good	4.514 \| good	0.154 \| good
2026-03-10T19:00:00.000Z	44 \| good	7.838 \| good	33.942 \| good	42.209 \| good	2.03 \| good	3.963 \| good	0.151 \| good
2026-03-10T20:00:00.000Z	52 \| moderate	9.669 \| good	42.913 \| good	45.305 \| good	1.782 \| good	3.412 \| good	0.148 \| good
2026-03-10T21:00:00.000Z	54 \| moderate	11.448 \| good	50.877 \| good	49.749 \| good	1.533 \| good	2.861 \| good	0.145 \| good
2026-03-10T22:00:00.000Z	58 \| moderate	12.844 \| fine	56.965 \| fine	50.877 \| good	1.52 \| good	3.015 \| good	0.145 \| good
2026-03-10T23:00:00.000Z	56 \| moderate	11.729 \| good	51.95 \| good	50.245 \| good	1.507 \| good	3.169 \| good	0.145 \| good
2026-03-11T00:00:00.000Z	56 \| moderate	11.947 \| good	53.958 \| good	51.188 \| good	1.495 \| good	3.323 \| good	0.146 \| good
2026-03-11T01:00:00.000Z	46 \| good	7.178 \| good	32.046 \| good	50.414 \| good	1.591 \| good	6.544 \| good	0.164 \| good
2026-03-11T02:00:00.000Z	44 \| good	6.842 \| good	30.122 \| good	46.516 \| good	1.687 \| good	9.765 \| good	0.182 \| good
2026-03-11T03:00:00.000Z	41 \| good	6.047 \| good	27.078 \| good	44.432 \| good	1.783 \| good	12.987 \| good	0.2 \| good
2026-03-11T04:00:00.000Z	37 \| good	6.276 \| good	28.102 \| good	40.153 \| good	1.989 \| good	17.65 \| good	0.225 \| good
2026-03-11T05:00:00.000Z	33 \| good	6.456 \| good	29.039 \| good	34.296 \| good	2.195 \| good	22.313 \| good	0.251 \| good
2026-03-11T06:00:00.000Z	77 \| moderate	22.818 \| fine	27.011 \| good	14.772 \| good	2.397 \| good	26.918 \| good	0.276 \| good
2026-03-11T07:00:00.000Z	44 \| good	8.274 \| good	36.058 \| good	27.635 \| good	2.293 \| good	25.466 \| good	0.275 \| good
2026-03-11T08:00:00.000Z	49 \| good	9.08 \| good	40.926 \| good	23.059 \| good	2.184 \| good	23.957 \| good	0.273 \| good
2026-03-11T09:00:00.000Z	44 \| good	8.25 \| good	36.038 \| good	22.46 \| good	2.075 \| good	22.447 \| good	0.272 \| good
2026-03-11T10:00:00.000Z	44 \| good	7.712 \| good	34.051 \| good	25.358 \| good	1.972 \| good	20.305 \| good	0.261 \| good
2026-03-11T11:00:00.000Z	38 \| good	7.362 \| good	32.168 \| good	26.083 \| good	1.868 \| good	18.163 \| good	0.25 \| good

Highland

Get reliable air quality data to drive your business

Highland, California air quality map: Track AQI near you

0.20ppm

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 12:00:00 on 2026-03-09.

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 07:00:00 on 2026-03-09.

What is the current air quality in Highland, California?

The current air quality in Highland, California is 33, 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 5.619 μg/m³.

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

The current PM₁₀ concentration at Highland, California is 25.172 μg/m³.

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

The current carbon monoxide (CO) concentration at Highland, California is 0.211 ppm.

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

The current sulfur dioxide (SO₂) concentration at Highland, California is 0.603 ppb.

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

The current ozone (O₃) concentration at Highland, California is 28.378 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Highland, California is 4.857 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions