What is the current concentration of PM10 in Grand Terrace, California?

The current PM10 concentration at Grand Terrace, California is 28.97 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Grand Terrace, California is 0.625 ppb.

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

The current ozone (O3) concentration at Grand Terrace, California is 36.1 ppm.

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

The current nitrogen dioxide (NO2) concentration at Grand Terrace, California is 6.862 ppb.

Grand Terrace, California live air quality index now

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

The current PM2.5 concentration at Grand Terrace, California is 7.217 μg/m3.

Stay updated with real-time air quality in Grand Terrace, 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

Grand Terrace, California

Last updated: ... (Local time)

Major air pollutants in Grand Terrace, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.22 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.97 μg/m³

155

255

425

605+

Ozone (O₃)

36.10 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.86 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

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Grand Terrace, California

Scroll To Air Quality Map

Track live Grand Terrace, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	39 \| good	4.553 \| good	30.817 \| good	42.432 \| good	0.489 \| good	0.911 \| good	0.104 \| good
2026-03-07T22:00:00.000Z	40 \| good	2.109 \| good	28.556 \| good	43.031 \| good	0.478 \| good	0.725 \| good	0.104 \| good
2026-03-07T23:00:00.000Z	41 \| good	2.787 \| good	26.143 \| good	43.867 \| good	0.534 \| good	0.646 \| good	0.104 \| good
2026-03-08T00:00:00.000Z	39 \| good	3.091 \| good	25.414 \| good	42.244 \| good	0.477 \| good	0.766 \| good	0.104 \| good
2026-03-08T01:00:00.000Z	39 \| good	2.923 \| good	22.323 \| good	41.789 \| good	0.533 \| good	1.119 \| good	0.104 \| good
2026-03-08T02:00:00.000Z	38 \| good	3.002 \| good	18.209 \| good	41.106 \| good	0.475 \| good	1.219 \| good	0.106 \| good
2026-03-08T03:00:00.000Z	42 \| good	1.242 \| good	5.069 \| good	45.107 \| good	0.593 \| good	8.968 \| good	0.17 \| good
2026-03-08T04:00:00.000Z	38 \| good	2.783 \| good	13.899 \| good	40.733 \| good	0.527 \| good	2.56 \| good	0.12 \| good
2026-03-08T05:00:00.000Z	40 \| good	3.307 \| good	12.812 \| good	43.363 \| good	0.588 \| good	2.005 \| good	0.138 \| good
2026-03-08T06:00:00.000Z	40 \| good	3.038 \| good	11.552 \| good	43.308 \| good	0.52 \| good	2.929 \| good	0.151 \| good
2026-03-08T07:00:00.000Z	41 \| good	3.108 \| good	11.573 \| good	43.784 \| good	0.523 \| good	2.929 \| good	0.151 \| good
2026-03-08T08:00:00.000Z	41 \| good	3.296 \| good	22.388 \| good	44.482 \| good	0.477 \| good	1.288 \| good	0.133 \| good
2026-03-08T09:00:00.000Z	39 \| good	3.168 \| good	28.137 \| good	41.93 \| good	0.509 \| good	1.298 \| good	0.127 \| good
2026-03-08T10:00:00.000Z	39 \| good	3.181 \| good	29.921 \| good	41.854 \| good	0.509 \| good	1.298 \| good	0.127 \| good
2026-03-08T11:00:00.000Z	39 \| good	3.313 \| good	26.396 \| good	41.728 \| good	0.511 \| good	1.298 \| good	0.127 \| good
2026-03-08T12:00:00.000Z	39 \| good	3.202 \| good	27.484 \| good	42.095 \| good	0.438 \| good	8.507 \| good	0.417 \| good
2026-03-08T13:00:00.000Z	39 \| good	2.216 \| good	10.249 \| good	42.095 \| good	0.587 \| good	10.175 \| good	0.417 \| good
2026-03-08T14:00:00.000Z	35 \| good	4.275 \| good	12.742 \| good	37.86 \| good	0.48 \| good	1.562 \| good	0.162 \| good
2026-03-08T15:00:00.000Z	36 \| good	3.757 \| good	12.163 \| good	39.26 \| good	0.583 \| good	2.584 \| good	0.171 \| good
2026-03-08T16:00:00.000Z	35 \| good	2.82 \| good	13.045 \| good	38.44 \| good	0.544 \| good	2.439 \| good	0.163 \| good
2026-03-08T17:00:00.000Z	37 \| good	2.564 \| good	20.329 \| good	40.484 \| good	0.538 \| good	1.97 \| good	0.144 \| good
2026-03-08T18:00:00.000Z	39 \| good	2.749 \| good	22.411 \| good	42.037 \| good	0.481 \| good	1.226 \| good	0.129 \| good
2026-03-08T19:00:00.000Z	40 \| good	3.511 \| good	25.001 \| good	43.343 \| good	0.482 \| good	1.154 \| good	0.117 \| good
2026-03-08T20:00:00.000Z	41 \| good	3.882 \| good	26.598 \| good	43.791 \| good	0.48 \| good	1.426 \| good	0.111 \| good
2026-03-08T21:00:00.000Z	42 \| good	3.418 \| good	24.528 \| good	44.65 \| good	0.539 \| good	1.182 \| good	0.108 \| good
2026-03-08T22:00:00.000Z	43 \| good	1.59 \| good	20.342 \| good	46.388 \| good	0.588 \| good	1.274 \| good	0.108 \| good
2026-03-08T23:00:00.000Z	44 \| good	2.154 \| good	16.979 \| good	47.913 \| good	0.521 \| good	1.365 \| good	0.107 \| good
2026-03-09T00:00:00.000Z	45 \| good	2.388 \| good	14.921 \| good	48.53 \| good	0.567 \| good	1.415 \| good	0.111 \| good
2026-03-09T01:00:00.000Z	44 \| good	2.028 \| good	14.661 \| good	47.638 \| good	0.576 \| good	1.633 \| good	0.107 \| good
2026-03-09T02:00:00.000Z	43 \| good	2.482 \| good	14.653 \| good	45.988 \| good	0.578 \| good	2.538 \| good	0.11 \| good
2026-03-09T03:00:00.000Z	49 \| good	9.255 \| good	40.961 \| good	35.582 \| good	1.114 \| good	25.139 \| good	0.262 \| good
2026-03-09T04:00:00.000Z	40 \| good	3.737 \| good	16.004 \| good	43.493 \| good	0.569 \| good	5.96 \| good	0.189 \| good
2026-03-09T05:00:00.000Z	34 \| good	4.108 \| good	16.69 \| good	37.443 \| good	0.726 \| good	12.143 \| good	0.229 \| good
2026-03-09T06:00:00.000Z	33 \| good	5.076 \| good	19.154 \| good	35.851 \| good	0.556 \| good	16.089 \| good	0.218 \| good
2026-03-09T07:00:00.000Z	33 \| good	4.785 \| good	18.945 \| good	35.669 \| good	0.561 \| good	16.089 \| good	0.217 \| good
2026-03-09T08:00:00.000Z	38 \| good	6.613 \| good	22.79 \| good	26.419 \| good	0.681 \| good	26.507 \| good	0.363 \| good
2026-03-09T09:00:00.000Z	38 \| good	7.443 \| good	24.783 \| good	27.877 \| good	0.649 \| good	12.237 \| good	0.174 \| good
2026-03-09T10:00:00.000Z	38 \| good	7.382 \| good	22.09 \| good	27.401 \| good	0.572 \| good	7.421 \| good	0.199 \| good
2026-03-09T11:00:00.000Z	38 \| good	6.955 \| good	22.017 \| good	24.497 \| good	0.608 \| good	13.106 \| good	0.204 \| good
2026-03-09T12:00:00.000Z	38 \| good	6.743 \| good	23.433 \| good	23.401 \| good	0.555 \| good	15.875 \| good	0.299 \| good
2026-03-09T13:00:00.000Z	38 \| good	6.732 \| good	23.146 \| good	23.222 \| good	0.553 \| good	15.875 \| good	0.299 \| good
2026-03-09T14:00:00.000Z	33 \| good	6.461 \| good	27.883 \| good	16.103 \| good	0.645 \| good	27.312 \| good	0.399 \| good
2026-03-09T15:00:00.000Z	49 \| good	8.501 \| good	39.707 \| good	12.386 \| good	0.799 \| good	28.55 \| good	0.611 \| good
2026-03-09T16:00:00.000Z	56 \| moderate	11.957 \| good	57.49 \| fine	11.367 \| good	0.96 \| good	30.602 \| good	0.51 \| good
2026-03-09T17:00:00.000Z	56 \| moderate	11.989 \| good	53.127 \| good	15.241 \| good	0.849 \| good	23.403 \| good	0.363 \| good
2026-03-09T18:00:00.000Z	52 \| moderate	9.62 \| good	42.05 \| good	20.783 \| good	0.716 \| good	15.819 \| good	0.3 \| good
2026-03-09T19:00:00.000Z	49 \| good	8.698 \| good	35.205 \| good	28.362 \| good	0.681 \| good	10.872 \| good	0.205 \| good
2026-03-09T20:00:00.000Z	44 \| good	7.883 \| good	29.638 \| good	34.294 \| good	0.677 \| good	8.369 \| good	0.205 \| good
2026-03-09T20:00:00.000Z	38 \| good	7.217 \| good	28.97 \| good	36.1 \| good	0.625 \| good	6.862 \| good	0.21 \| good
2026-03-09T21:00:00.000Z	52 \| moderate	10.251 \| good	45.415 \| good	49.583 \| good	1.586 \| good	3.708 \| good	0.155 \| good
2026-03-09T22:00:00.000Z	52 \| moderate	10.181 \| good	45.079 \| good	53.432 \| good	1.639 \| good	3.829 \| good	0.153 \| good
2026-03-09T23:00:00.000Z	58 \| moderate	9.016 \| good	40.317 \| good	56.801 \| fine	1.693 \| good	3.95 \| good	0.15 \| good
2026-03-10T00:00:00.000Z	54 \| moderate	10.861 \| good	48.108 \| good	55.579 \| fine	1.746 \| good	4.072 \| good	0.148 \| good
2026-03-10T01:00:00.000Z	49 \| good	8.848 \| good	38.766 \| good	49.651 \| good	1.962 \| good	7.744 \| good	0.164 \| good
2026-03-10T02:00:00.000Z	37 \| good	4.854 \| good	20.964 \| good	40.087 \| good	2.178 \| good	11.416 \| good	0.181 \| good
2026-03-10T03:00:00.000Z	39 \| good	5.24 \| good	22.671 \| good	41.542 \| good	2.394 \| good	15.089 \| good	0.197 \| good
2026-03-10T04:00:00.000Z	34 \| good	3.817 \| good	16.551 \| good	37.473 \| good	2.578 \| good	19.821 \| good	0.221 \| good
2026-03-10T05:00:00.000Z	31 \| good	4.553 \| good	19.846 \| good	33.313 \| good	2.761 \| good	24.552 \| good	0.246 \| good
2026-03-10T06:00:00.000Z	29 \| good	3.713 \| good	16.09 \| good	31.058 \| good	2.945 \| good	29.284 \| good	0.271 \| good
2026-03-10T07:00:00.000Z	49 \| good	8.577 \| good	37.681 \| good	26.443 \| good	3.001 \| good	30.198 \| good	0.286 \| good
2026-03-10T08:00:00.000Z	54 \| moderate	11.356 \| good	50.242 \| good	19.797 \| good	3.057 \| good	31.112 \| good	0.301 \| good
2026-03-10T09:00:00.000Z	58 \| moderate	13.313 \| fine	59.507 \| fine	18.895 \| good	3.114 \| good	32.026 \| good	0.316 \| good
2026-03-10T10:00:00.000Z	52 \| moderate	9.908 \| good	44.256 \| good	28.449 \| good	3.075 \| good	29.858 \| good	0.304 \| good
2026-03-10T11:00:00.000Z	54 \| moderate	10.671 \| good	47.308 \| good	27.244 \| good	3.036 \| good	27.691 \| good	0.293 \| good
2026-03-10T12:00:00.000Z	52 \| moderate	9.894 \| good	43.666 \| good	20.422 \| good	2.997 \| good	25.523 \| good	0.282 \| good
2026-03-10T13:00:00.000Z	58 \| moderate	12.75 \| fine	57.22 \| fine	22.671 \| good	2.942 \| good	24.19 \| good	0.292 \| good
2026-03-10T14:00:00.000Z	58 \| moderate	12.714 \| fine	56.952 \| fine	24.919 \| good	2.888 \| good	22.858 \| good	0.302 \| good
2026-03-10T15:00:00.000Z	52 \| moderate	9.652 \| good	42.937 \| good	20.936 \| good	2.833 \| good	21.526 \| good	0.312 \| good
2026-03-10T16:00:00.000Z	49 \| good	9.268 \| good	40.768 \| good	28.761 \| good	3.002 \| good	17.451 \| good	0.267 \| good
2026-03-10T17:00:00.000Z	49 \| good	9.336 \| good	41.429 \| good	34.95 \| good	3.17 \| good	13.377 \| good	0.222 \| good
2026-03-10T18:00:00.000Z	49 \| good	8.656 \| good	38.119 \| good	33.744 \| good	3.339 \| good	9.302 \| good	0.177 \| good
2026-03-10T19:00:00.000Z	54 \| moderate	11.242 \| good	49.944 \| good	38.713 \| good	3.182 \| good	8.289 \| good	0.173 \| good
2026-03-10T20:00:00.000Z	52 \| moderate	9.525 \| good	42.481 \| good	44.889 \| good	3.026 \| good	7.275 \| good	0.168 \| good
2026-03-10T21:00:00.000Z	56 \| moderate	11.924 \| good	53.371 \| good	50.544 \| good	2.869 \| good	6.262 \| good	0.164 \| good
2026-03-10T22:00:00.000Z	58 \| moderate	12.908 \| fine	57.78 \| fine	50.647 \| good	2.932 \| good	6.421 \| good	0.163 \| good
2026-03-10T23:00:00.000Z	52 \| moderate	9.887 \| good	43.936 \| good	49.09 \| good	2.996 \| good	6.581 \| good	0.161 \| good
2026-03-11T00:00:00.000Z	46 \| good	7.761 \| good	34.258 \| good	50.196 \| good	3.06 \| good	6.741 \| good	0.16 \| good
2026-03-11T01:00:00.000Z	45 \| good	5.304 \| good	23.129 \| good	48.709 \| good	3.083 \| good	10.571 \| good	0.178 \| good
2026-03-11T02:00:00.000Z	44 \| good	7.664 \| good	33.719 \| good	40.653 \| good	3.106 \| good	14.401 \| good	0.196 \| good
2026-03-11T03:00:00.000Z	36 \| good	6.405 \| good	28.49 \| good	39.143 \| good	3.13 \| good	18.231 \| good	0.214 \| good
2026-03-11T04:00:00.000Z	38 \| good	6.762 \| good	29.938 \| good	33.967 \| good	3.284 \| good	23.49 \| good	0.24 \| good
2026-03-11T05:00:00.000Z	44 \| good	8.004 \| good	35.214 \| good	23.763 \| good	3.438 \| good	28.749 \| good	0.265 \| good
2026-03-11T06:00:00.000Z	81 \| moderate	24.562 \| fine	28.093 \| good	8.221 \| good	3.598 \| good	33.951 \| good	0.292 \| good
2026-03-11T07:00:00.000Z	52 \| moderate	9.776 \| good	43.113 \| good	20.605 \| good	3.414 \| good	33.647 \| good	0.307 \| good
2026-03-11T08:00:00.000Z	58 \| moderate	12.992 \| fine	58.504 \| fine	17.283 \| good	3.236 \| good	33.286 \| good	0.323 \| good
2026-03-11T09:00:00.000Z	60 \| moderate	13.804 \| fine	61.808 \| fine	15.544 \| good	3.057 \| good	32.926 \| good	0.339 \| good
2026-03-11T10:00:00.000Z	52 \| moderate	10.224 \| good	45.574 \| good	15.044 \| good	2.655 \| good	30.38 \| good	0.328 \| good
2026-03-11T11:00:00.000Z	54 \| moderate	10.605 \| good	47.063 \| good	13.08 \| good	2.253 \| good	27.835 \| good	0.318 \| good
2026-03-11T12:00:00.000Z	84 \| moderate	26.704 \| fine	27.5 \| good	5.236 \| good	1.848 \| good	25.197 \| good	0.308 \| good
2026-03-11T13:00:00.000Z	81 \| moderate	24.87 \| fine	25.618 \| good	7.11 \| good	1.924 \| good	22.996 \| good	0.305 \| good
2026-03-11T14:00:00.000Z	79 \| moderate	23.551 \| fine	24.383 \| good	8.983 \| good	1.999 \| good	20.795 \| good	0.301 \| good
2026-03-11T15:00:00.000Z	79 \| moderate	23.941 \| fine	24.891 \| good	10.856 \| good	2.075 \| good	18.593 \| good	0.298 \| good
2026-03-11T16:00:00.000Z	73 \| moderate	20.655 \| fine	21.847 \| good	22.704 \| good	2.222 \| good	15.18 \| good	0.266 \| good
2026-03-11T17:00:00.000Z	52 \| moderate	9.752 \| good	43.242 \| good	29.064 \| good	2.388 \| good	11.885 \| good	0.234 \| good
2026-03-11T18:00:00.000Z	56 \| moderate	12.144 \| fine	14.771 \| good	46.399 \| good	2.517 \| good	8.354 \| good	0.201 \| good
2026-03-11T19:00:00.000Z	56 \| moderate	11.858 \| good	14.383 \| good	50.148 \| good	2.568 \| good	8.007 \| good	0.198 \| good
2026-03-11T20:00:00.000Z	56 \| moderate	12.068 \| good	14.537 \| good	53.896 \| good	2.619 \| good	7.659 \| good	0.194 \| good

Grand Terrace

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Grand Terrace, California air quality map: Track AQI near you

0.21ppm

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 Grand Terrace, California updated?

The air quality for Grand Terrace, California is updated every hour.

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

The worst air quality in Grand Terrace, California in the last 24 hours was observed at 05:00:00 on 2026-03-09.

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

In the last 24 hrs, the best air quality in Grand Terrace, California was observed at 02:00:00 on 2026-03-09.

What is the current air quality in Grand Terrace, California?

The current air quality in Grand Terrace, California is 38, categorized as Good based on real-time data.

What pollutant is the most common in Grand Terrace, California?

The most common pollutant in Grand Terrace, California is PM2.5.

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

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

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

The current PM_2.5 concentration at Grand Terrace, California is 7.217 μg/m³.

What is the current concentration of PM₁₀ in Grand Terrace, California?

The current PM₁₀ concentration at Grand Terrace, California is 28.97 μg/m³.

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

The current carbon monoxide (CO) concentration at Grand Terrace, California is 0.21 ppm.

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

The current sulfur dioxide (SO₂) concentration at Grand Terrace, California is 0.625 ppb.

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

The current ozone (O₃) concentration at Grand Terrace, California is 36.1 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Grand Terrace, California is 6.862 ppb.

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