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

The current PM10 concentration at Grand Terrace, California is 27.002 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 0.449 ppb.

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

The current ozone (O3) concentration at Grand Terrace, California is 45.023 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 1.261 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 5.264 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)

5.26 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.00 μg/m³

155

255

425

605+

Ozone (O₃)

45.02 ppb

201

201+

Sulfur Dioxide (SO₂)

0.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.26 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.12 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
2026-03-05T00:00:00.000Z	61 \| moderate	11.769 \| good	39.143 \| good	58.151 \| fine	0.546 \| good	7.243 \| good	0.278 \| good
2026-03-05T01:00:00.000Z	56 \| moderate	12.103 \| fine	39.771 \| good	56.409 \| fine	0.494 \| good	7.984 \| good	0.272 \| good
2026-03-05T02:00:00.000Z	56 \| moderate	11.815 \| good	39.542 \| good	56.409 \| fine	0.475 \| good	9.81 \| good	0.272 \| good
2026-03-05T03:00:00.000Z	60 \| moderate	13.763 \| fine	62.505 \| fine	39.831 \| good	5.14 \| good	31.618 \| good	0.299 \| good
2026-03-05T04:00:00.000Z	56 \| moderate	11.681 \| good	37.589 \| good	39.745 \| good	0.479 \| good	11.181 \| good	0.329 \| good
2026-03-05T05:00:00.000Z	54 \| moderate	10.655 \| good	33.233 \| good	33.874 \| good	0.59 \| good	12.797 \| good	0.334 \| good
2026-03-05T06:00:00.000Z	52 \| moderate	10.472 \| good	33.535 \| good	32.192 \| good	0.43 \| good	12.341 \| good	0.315 \| good
2026-03-05T07:00:00.000Z	54 \| moderate	10.523 \| good	33.4 \| good	32.192 \| good	0.433 \| good	12.603 \| good	0.315 \| good
2026-03-05T08:00:00.000Z	52 \| moderate	9.591 \| good	31.511 \| good	22.624 \| good	0.444 \| good	13.721 \| good	0.34 \| good
2026-03-05T09:00:00.000Z	52 \| moderate	9.729 \| good	30.626 \| good	17.176 \| good	0.489 \| good	13.566 \| good	0.238 \| good
2026-03-05T10:00:00.000Z	56 \| moderate	12.035 \| good	30.705 \| good	14.8 \| good	0.458 \| good	16.208 \| good	0.294 \| good
2026-03-05T11:00:00.000Z	58 \| moderate	12.508 \| fine	32.626 \| good	14.744 \| good	0.507 \| good	12.569 \| good	0.238 \| good
2026-03-05T12:00:00.000Z	58 \| moderate	13.094 \| fine	32.758 \| good	14.882 \| good	0.433 \| good	10.03 \| good	0.243 \| good
2026-03-05T13:00:00.000Z	56 \| moderate	12.025 \| good	32.878 \| good	14.882 \| good	0.441 \| good	10.222 \| good	0.243 \| good
2026-03-05T14:00:00.000Z	56 \| moderate	11.821 \| good	34.238 \| good	18.438 \| good	0.455 \| good	10.804 \| good	0.368 \| good
2026-03-05T15:00:00.000Z	56 \| moderate	11.546 \| good	33.675 \| good	23.024 \| good	0.463 \| good	13.838 \| good	0.411 \| good
2026-03-05T16:00:00.000Z	58 \| moderate	12.897 \| fine	37.795 \| good	25.188 \| good	0.469 \| good	14.325 \| good	0.383 \| good
2026-03-05T17:00:00.000Z	75 \| moderate	21.668 \| fine	77.067 \| fine	32.024 \| good	0.465 \| good	8.087 \| good	0.266 \| good
2026-03-05T18:00:00.000Z	73 \| moderate	21.215 \| fine	74.601 \| fine	36.096 \| good	0.448 \| good	3.897 \| good	0.235 \| good
2026-03-05T19:00:00.000Z	173 \| unhealthy	87.021 \| poor	220.398 \| moderate	38.956 \| good	0.474 \| good	2.546 \| good	0.21 \| good
2026-03-05T20:00:00.000Z	172 \| unhealthy	85.277 \| poor	219.587 \| moderate	40.692 \| good	0.484 \| good	2.002 \| good	0.121 \| good
2026-03-05T21:00:00.000Z	73 \| moderate	19.135 \| fine	99.289 \| fine	44.986 \| good	0.439 \| good	1.294 \| good	0.121 \| good
2026-03-05T22:00:00.000Z	65 \| moderate	13.29 \| fine	83.079 \| fine	46.064 \| good	0.447 \| good	1.215 \| good	0.126 \| good
2026-03-05T23:00:00.000Z	64 \| moderate	12.815 \| fine	81.05 \| fine	47.327 \| good	0.429 \| good	1.305 \| good	0.113 \| good
2026-03-06T00:00:00.000Z	47 \| good	7.716 \| good	51.206 \| good	45.9 \| good	0.389 \| good	1.604 \| good	0.179 \| good
2026-03-06T01:00:00.000Z	41 \| good	5.628 \| good	33.057 \| good	43.755 \| good	0.382 \| good	2.053 \| good	0.192 \| good
2026-03-06T02:00:00.000Z	39 \| good	4.115 \| good	26.435 \| good	42.036 \| good	0.419 \| good	2.802 \| good	0.128 \| good
2026-03-06T03:00:00.000Z	34 \| good	4.727 \| good	20.935 \| good	37.036 \| good	0.901 \| good	15.461 \| good	0.211 \| good
2026-03-06T04:00:00.000Z	36 \| good	3.536 \| good	17.285 \| good	38.826 \| good	0.457 \| good	8.348 \| good	0.193 \| good
2026-03-06T05:00:00.000Z	31 \| good	4.568 \| good	17.71 \| good	32.818 \| good	0.582 \| good	10.134 \| good	0.206 \| good
2026-03-06T06:00:00.000Z	30 \| good	5.054 \| good	20.138 \| good	31.84 \| good	0.414 \| good	12.067 \| good	0.278 \| good
2026-03-06T07:00:00.000Z	28 \| good	4.937 \| good	20.688 \| good	30.207 \| good	0.428 \| good	11.26 \| good	0.278 \| good
2026-03-06T08:00:00.000Z	27 \| good	5.232 \| good	19.505 \| good	28.848 \| good	0.418 \| good	6.596 \| good	0.213 \| good
2026-03-06T09:00:00.000Z	27 \| good	4.451 \| good	17.867 \| good	29.273 \| good	0.518 \| good	3.791 \| good	0.243 \| good
2026-03-06T10:00:00.000Z	29 \| good	4.242 \| good	15.78 \| good	31.497 \| good	0.495 \| good	3.142 \| good	0.236 \| good
2026-03-06T11:00:00.000Z	30 \| good	4.463 \| good	18.327 \| good	32.141 \| good	0.534 \| good	3.999 \| good	0.163 \| good
2026-03-06T12:00:00.000Z	31 \| good	4.581 \| good	20.954 \| good	33.733 \| good	0.526 \| good	3.427 \| good	0.148 \| good
2026-03-06T13:00:00.000Z	31 \| good	4.722 \| good	21.333 \| good	33.733 \| good	0.515 \| good	3.241 \| good	0.148 \| good
2026-03-06T14:00:00.000Z	34 \| good	5.147 \| good	23.844 \| good	37.059 \| good	0.448 \| good	1.899 \| good	0.174 \| good
2026-03-06T15:00:00.000Z	36 \| good	4.291 \| good	23.563 \| good	38.983 \| good	0.483 \| good	2.602 \| good	0.212 \| good
2026-03-06T16:00:00.000Z	38 \| good	6.834 \| good	33.18 \| good	40.861 \| good	0.483 \| good	6.952 \| good	0.218 \| good
2026-03-06T17:00:00.000Z	37 \| good	6.17 \| good	29.4 \| good	39.71 \| good	0.526 \| good	10.985 \| good	0.186 \| good
2026-03-06T18:00:00.000Z	54 \| moderate	10.579 \| good	49.796 \| good	42.446 \| good	0.479 \| good	6.152 \| good	0.129 \| good
2026-03-06T19:00:00.000Z	49 \| good	8.903 \| good	43.906 \| good	44.175 \| good	0.456 \| good	1.621 \| good	0.124 \| good
2026-03-06T20:00:00.000Z	49 \| good	8.645 \| good	40.647 \| good	45.602 \| good	0.452 \| good	1.42 \| good	0.119 \| good
2026-03-06T21:00:00.000Z	42 \| good	5.108 \| good	30.171 \| good	45.278 \| good	0.442 \| good	1.365 \| good	0.119 \| good
2026-03-06T22:00:00.000Z	42 \| good	5.264 \| good	27.002 \| good	45.023 \| good	0.449 \| good	1.261 \| good	0.119 \| good
2026-03-06T23:00:00.000Z	42 \| good	5.264 \| good	27.002 \| good	45.023 \| good	0.449 \| good	1.261 \| good	0.119 \| good
2026-03-07T00:00:00.000Z	45 \| good	0.429 \| good	1.384 \| good	48.59 \| good	0.306 \| good	1.435 \| good	0.124 \| good
2026-03-07T01:00:00.000Z	42 \| good	0.965 \| good	3.761 \| good	44.981 \| good	0.482 \| good	6.059 \| good	0.152 \| good
2026-03-07T02:00:00.000Z	32 \| good	4.91 \| good	21.316 \| good	35.009 \| good	0.659 \| good	10.683 \| good	0.18 \| good
2026-03-07T03:00:00.000Z	38 \| good	7.214 \| good	31.865 \| good	26.306 \| good	0.835 \| good	15.307 \| good	0.208 \| good
2026-03-07T04:00:00.000Z	22 \| good	3.667 \| good	16.311 \| good	22.196 \| good	0.981 \| good	18.435 \| good	0.234 \| good
2026-03-07T05:00:00.000Z	21 \| good	1.549 \| good	6.454 \| good	18.844 \| good	1.127 \| good	21.563 \| good	0.26 \| good
2026-03-07T06:00:00.000Z	24 \| good	1.264 \| good	5.16 \| good	11.206 \| good	1.273 \| good	24.692 \| good	0.287 \| good
2026-03-07T07:00:00.000Z	21 \| good	0.92 \| good	3.542 \| good	6.902 \| good	1.076 \| good	22.474 \| good	0.275 \| good
2026-03-07T08:00:00.000Z	19 \| good	2.466 \| good	10.365 \| good	7.024 \| good	0.879 \| good	20.257 \| good	0.264 \| good
2026-03-07T09:00:00.000Z	17 \| good	1.258 \| good	5.501 \| good	6.905 \| good	0.683 \| good	18.04 \| good	0.252 \| good
2026-03-07T10:00:00.000Z	14 \| good	1.71 \| good	7.341 \| good	9.918 \| good	0.616 \| good	14.555 \| good	0.225 \| good
2026-03-07T11:00:00.000Z	13 \| good	0.862 \| good	3.663 \| good	14.23 \| good	0.549 \| good	11.069 \| good	0.197 \| good
2026-03-07T12:00:00.000Z	17 \| good	1.111 \| good	4.364 \| good	18.316 \| good	0.482 \| good	7.584 \| good	0.17 \| good
2026-03-07T13:00:00.000Z	15 \| good	2.431 \| good	10.002 \| good	15.954 \| good	0.512 \| good	7.297 \| good	0.168 \| good
2026-03-07T14:00:00.000Z	27 \| good	5.295 \| good	22.84 \| good	14.984 \| good	0.542 \| good	7.009 \| good	0.166 \| good
2026-03-07T15:00:00.000Z	23 \| good	1.685 \| good	6.57 \| good	25.412 \| good	0.572 \| good	6.722 \| good	0.165 \| good
2026-03-07T16:00:00.000Z	34 \| good	0.386 \| good	1.308 \| good	37.415 \| good	0.515 \| good	5.173 \| good	0.155 \| good
2026-03-07T17:00:00.000Z	38 \| good	0.206 \| good	0.256 \| good	41.127 \| good	0.458 \| good	3.624 \| good	0.146 \| good
2026-03-07T18:00:00.000Z	40 \| good	0.264 \| good	1.028 \| good	43.356 \| good	0.401 \| good	2.075 \| good	0.137 \| good
2026-03-07T19:00:00.000Z	41 \| good	1.639 \| good	6.86 \| good	44.235 \| good	0.327 \| good	1.626 \| good	0.133 \| good
2026-03-07T20:00:00.000Z	41 \| good	4.067 \| good	18.166 \| good	44.093 \| good	0.253 \| good	1.177 \| good	0.128 \| good
2026-03-07T21:00:00.000Z	42 \| good	4.007 \| good	17.601 \| good	45.164 \| good	0.178 \| good	0.728 \| good	0.124 \| good
2026-03-07T22:00:00.000Z	44 \| good	3.06 \| good	12.164 \| good	47.084 \| good	0.181 \| good	0.817 \| good	0.123 \| good
2026-03-07T23:00:00.000Z	44 \| good	1.519 \| good	6.041 \| good	48.113 \| good	0.183 \| good	0.906 \| good	0.122 \| good
2026-03-08T00:00:00.000Z	44 \| good	0.188 \| good	0.257 \| good	48.155 \| good	0.186 \| good	0.994 \| good	0.121 \| good
2026-03-08T01:00:00.000Z	42 \| good	0.723 \| good	2.837 \| good	45.48 \| good	0.34 \| good	4.26 \| good	0.14 \| good
2026-03-08T02:00:00.000Z	36 \| good	0.377 \| good	1.181 \| good	39.222 \| good	0.494 \| good	7.526 \| good	0.159 \| good
2026-03-08T03:00:00.000Z	35 \| good	0.742 \| good	2.365 \| good	38.018 \| good	0.648 \| good	10.792 \| good	0.179 \| good
2026-03-08T04:00:00.000Z	31 \| good	0.885 \| good	3.354 \| good	33.491 \| good	0.809 \| good	14.296 \| good	0.198 \| good
2026-03-08T05:00:00.000Z	28 \| good	0.916 \| good	3.467 \| good	29.999 \| good	0.97 \| good	17.8 \| good	0.217 \| good
2026-03-08T06:00:00.000Z	52 \| moderate	9.619 \| good	11.62 \| good	20.387 \| good	1.126 \| good	21.135 \| good	0.235 \| good
2026-03-08T07:00:00.000Z	16 \| good	1.343 \| good	5.486 \| good	17.175 \| good	0.935 \| good	16.99 \| good	0.213 \| good
2026-03-08T08:00:00.000Z	17 \| good	1.411 \| good	5.737 \| good	18.05 \| good	0.739 \| good	12.676 \| good	0.189 \| good
2026-03-08T09:00:00.000Z	14 \| good	1.175 \| good	4.789 \| good	15.38 \| good	0.543 \| good	8.362 \| good	0.165 \| good
2026-03-08T10:00:00.000Z	13 \| good	1.666 \| good	6.611 \| good	13.848 \| good	0.508 \| good	7.014 \| good	0.155 \| good
2026-03-08T11:00:00.000Z	13 \| good	1.116 \| good	4.637 \| good	14.396 \| good	0.474 \| good	5.667 \| good	0.144 \| good
2026-03-08T12:00:00.000Z	28 \| good	2.636 \| good	3.914 \| good	30.016 \| good	0.44 \| good	4.33 \| good	0.134 \| good
2026-03-08T13:00:00.000Z	28 \| good	2.512 \| good	3.677 \| good	29.84 \| good	0.507 \| good	5.275 \| good	0.142 \| good
2026-03-08T14:00:00.000Z	28 \| good	2.669 \| good	3.727 \| good	29.665 \| good	0.573 \| good	6.22 \| good	0.149 \| good
2026-03-08T15:00:00.000Z	27 \| good	3.772 \| good	4.699 \| good	29.489 \| good	0.639 \| good	7.164 \| good	0.157 \| good
2026-03-08T16:00:00.000Z	33 \| good	5.146 \| good	5.767 \| good	36.123 \| good	0.639 \| good	5.922 \| good	0.151 \| good
2026-03-08T17:00:00.000Z	40 \| good	3.806 \| good	4.486 \| good	42.758 \| good	0.638 \| good	4.68 \| good	0.145 \| good
2026-03-08T18:00:00.000Z	45 \| good	2.687 \| good	3.531 \| good	49.392 \| good	0.637 \| good	3.438 \| good	0.14 \| good
2026-03-08T19:00:00.000Z	48 \| good	2.202 \| good	3.24 \| good	52.21 \| good	0.521 \| good	2.596 \| good	0.132 \| good
2026-03-08T20:00:00.000Z	51 \| moderate	1.958 \| good	3.097 \| good	55.028 \| fine	0.404 \| good	1.753 \| good	0.125 \| good
2026-03-08T21:00:00.000Z	61 \| moderate	1.886 \| good	3.244 \| good	57.845 \| fine	0.288 \| good	0.91 \| good	0.118 \| good
2026-03-08T22:00:00.000Z	58 \| moderate	1.959 \| good	3.632 \| good	57.171 \| fine	0.289 \| good	0.96 \| good	0.117 \| good
2026-03-08T23:00:00.000Z	54 \| moderate	2.076 \| good	3.953 \| good	56.497 \| fine	0.291 \| good	1.011 \| good	0.115 \| good

Grand Terrace

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

0.12ppm

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 11:00:00 on 2026-03-05.

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 09:00:00 on 2026-03-06.

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

The current air quality in Grand Terrace, California is 42, 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 O3.

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 5.264 μg/m³.

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

The current PM₁₀ concentration at Grand Terrace, California is 27.002 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 0.119 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 0.449 ppb.

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

The current ozone (O₃) concentration at Grand Terrace, California is 45.023 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 1.261 ppb.

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