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

The current PM10 concentration at Grand Terrace, California is 28.332 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 0.8 ppb.

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

The current ozone (O3) concentration at Grand Terrace, California is 6.769 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 27.778 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 16.265 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)

Moderate

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)

16.27 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.33 μg/m³

155

255

425

605+

Ozone (O₃)

6.77 ppb

201

201+

Sulfur Dioxide (SO₂)

0.80 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

27.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.88 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Grand Terrace, California

Get Live Pollen Counts

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
2025-12-05T08:00:00.000Z	38 \| good	7.342 \| good	23.516 \| good	9.997 \| good	0.743 \| good	29.025 \| good	0.341 \| good
2025-12-05T09:00:00.000Z	44 \| good	7.755 \| good	23.307 \| good	7.911 \| good	0.73 \| good	28.227 \| good	0.371 \| good
2025-12-05T10:00:00.000Z	44 \| good	8.315 \| good	24.3 \| good	7.445 \| good	0.699 \| good	29.41 \| good	0.379 \| good
2025-12-05T11:00:00.000Z	44 \| good	7.877 \| good	24.515 \| good	7.196 \| good	0.797 \| good	27.375 \| good	0.354 \| good
2025-12-05T12:00:00.000Z	38 \| good	7.135 \| good	23.411 \| good	4.828 \| good	0.802 \| good	28.275 \| good	0.422 \| good
2025-12-05T13:00:00.000Z	38 \| good	7.344 \| good	24.374 \| good	4.749 \| good	0.803 \| good	28.423 \| good	0.422 \| good
2025-12-05T14:00:00.000Z	49 \| good	9.22 \| good	30.366 \| good	5.696 \| good	0.982 \| good	29.28 \| good	0.573 \| good
2025-12-05T15:00:00.000Z	49 \| good	9.26 \| good	41.684 \| good	8.139 \| good	1.008 \| good	29.139 \| good	0.703 \| good
2025-12-05T16:00:00.000Z	54 \| moderate	10.775 \| good	50.575 \| good	8.801 \| good	1.115 \| good	30.213 \| good	0.697 \| good
2025-12-05T17:00:00.000Z	58 \| moderate	12.744 \| fine	57.267 \| fine	13.175 \| good	0.99 \| good	28.742 \| good	0.493 \| good
2025-12-05T18:00:00.000Z	56 \| moderate	12.053 \| good	44.522 \| good	12.868 \| good	0.888 \| good	25.842 \| good	0.379 \| good
2025-12-05T19:00:00.000Z	44 \| good	8.231 \| good	35.723 \| good	19.691 \| good	0.701 \| good	18.688 \| good	0.292 \| good
2025-12-05T20:00:00.000Z	49 \| good	9.213 \| good	28.973 \| good	23.614 \| good	0.715 \| good	14.233 \| good	0.229 \| good
2025-12-05T21:00:00.000Z	33 \| good	6.474 \| good	25.862 \| good	26.135 \| good	0.676 \| good	13.508 \| good	0.229 \| good
2025-12-05T22:00:00.000Z	29 \| good	4.976 \| good	23.413 \| good	30.604 \| good	0.626 \| good	11.293 \| good	0.198 \| good
2025-12-05T23:00:00.000Z	30 \| good	4.66 \| good	19.079 \| good	32.407 \| good	0.605 \| good	11.793 \| good	0.229 \| good
2025-12-06T00:00:00.000Z	30 \| good	5.323 \| good	19.287 \| good	32.024 \| good	0.594 \| good	13.892 \| good	0.229 \| good
2025-12-06T01:00:00.000Z	28 \| good	5.059 \| good	25.921 \| good	30.046 \| good	0.54 \| good	20.2 \| good	0.329 \| good
2025-12-06T02:00:00.000Z	38 \| good	6.616 \| good	28.42 \| good	27.21 \| good	0.571 \| good	27.637 \| good	0.409 \| good
2025-12-06T03:00:00.000Z	49 \| good	9.293 \| good	35.326 \| good	19.681 \| good	0.671 \| good	32.986 \| good	0.621 \| good
2025-12-06T04:00:00.000Z	58 \| moderate	12.607 \| fine	45.113 \| good	14.329 \| good	0.957 \| good	37.025 \| good	0.685 \| good
2025-12-06T05:00:00.000Z	62 \| moderate	15.068 \| fine	57.352 \| fine	10.517 \| good	1.181 \| good	38.617 \| good	0.777 \| good
2025-12-06T06:00:00.000Z	67 \| moderate	18.404 \| fine	60.682 \| fine	5.877 \| good	1.244 \| good	38.312 \| good	0.861 \| good
2025-12-06T07:00:00.000Z	67 \| moderate	17.688 \| fine	59.047 \| fine	5.684 \| good	1.256 \| good	38.083 \| good	0.861 \| good
2025-12-06T08:00:00.000Z	69 \| moderate	19.475 \| fine	53.981 \| good	2.602 \| good	1.173 \| good	32.997 \| good	1.002 \| good
2025-12-06T09:00:00.000Z	71 \| moderate	19.774 \| fine	55.01 \| fine	2.151 \| good	1.205 \| good	31.072 \| good	0.956 \| good
2025-12-06T10:00:00.000Z	71 \| moderate	19.984 \| fine	52.762 \| good	3.78 \| good	1.171 \| good	29.789 \| good	0.951 \| good
2025-12-06T11:00:00.000Z	64 \| moderate	15.738 \| fine	44.72 \| good	2.851 \| good	1.116 \| good	28.82 \| good	0.753 \| good
2025-12-06T12:00:00.000Z	66 \| moderate	16.831 \| fine	46.997 \| good	3.727 \| good	0.968 \| good	26.336 \| good	0.638 \| good
2025-12-06T13:00:00.000Z	66 \| moderate	16.543 \| fine	44.152 \| good	4.116 \| good	0.968 \| good	26.29 \| good	0.638 \| good
2025-12-06T14:00:00.000Z	64 \| moderate	16.098 \| fine	35.773 \| good	5.408 \| good	1.045 \| good	25.894 \| good	0.722 \| good
2025-12-06T15:00:00.000Z	64 \| moderate	16.263 \| fine	37.24 \| good	5.147 \| good	1.285 \| good	26.937 \| good	0.699 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	16.347 \| fine	50.478 \| good	7.829 \| good	1.27 \| good	27.269 \| good	0.739 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.876 \| fine	47.186 \| good	10.266 \| good	1.132 \| good	28.253 \| good	0.636 \| good
2025-12-06T18:00:00.000Z	62 \| moderate	15.136 \| fine	43.965 \| good	12.187 \| good	0.89 \| good	26.01 \| good	0.44 \| good
2025-12-06T19:00:00.000Z	60 \| moderate	13.587 \| fine	39.452 \| good	17.261 \| good	0.959 \| good	22.864 \| good	0.376 \| good
2025-12-06T20:00:00.000Z	58 \| moderate	12.585 \| fine	31.601 \| good	22.76 \| good	0.828 \| good	18.882 \| good	0.308 \| good
2025-12-06T21:00:00.000Z	54 \| moderate	10.988 \| good	31.944 \| good	29.933 \| good	0.677 \| good	15.201 \| good	0.229 \| good
2025-12-06T22:00:00.000Z	52 \| moderate	9.889 \| good	28.482 \| good	33.885 \| good	0.657 \| good	10.865 \| good	0.215 \| good
2025-12-06T23:00:00.000Z	52 \| moderate	10.046 \| good	22.906 \| good	36.376 \| good	0.796 \| good	12.27 \| good	0.291 \| good
2025-12-07T00:00:00.000Z	52 \| moderate	9.858 \| good	24.51 \| good	37.543 \| good	0.749 \| good	12.76 \| good	0.298 \| good
2025-12-07T01:00:00.000Z	52 \| moderate	10.273 \| good	29.791 \| good	35.132 \| good	0.757 \| good	18.6 \| good	0.405 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	12.236 \| fine	37.742 \| good	31.357 \| good	0.827 \| good	23.909 \| good	0.506 \| good
2025-12-07T03:00:00.000Z	64 \| moderate	16.43 \| fine	44.753 \| good	24.519 \| good	0.792 \| good	27.967 \| good	0.594 \| good
2025-12-07T04:00:00.000Z	67 \| moderate	18.316 \| fine	46.672 \| good	20.151 \| good	0.959 \| good	29.168 \| good	0.701 \| good
2025-12-07T05:00:00.000Z	73 \| moderate	20.955 \| fine	52.069 \| good	19.691 \| good	1.014 \| good	33.836 \| good	0.847 \| good
2025-12-07T06:00:00.000Z	79 \| moderate	24.245 \| fine	56.76 \| fine	9.897 \| good	0.818 \| good	33.745 \| good	0.932 \| good
2025-12-07T07:00:00.000Z	77 \| moderate	23.477 \| fine	53.911 \| good	9.96 \| good	0.822 \| good	33.719 \| good	0.932 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	16.265 \| fine	28.332 \| good	6.769 \| good	0.8 \| good	27.778 \| good	0.875 \| good
2025-12-07T08:00:00.000Z	73 \| moderate	20.828 \| fine	91.69 \| fine	5.034 \| good	2.794 \| good	31.011 \| good	0.456 \| good
2025-12-07T09:00:00.000Z	71 \| moderate	19.586 \| fine	85.987 \| fine	4.346 \| good	2.238 \| good	28.912 \| good	0.432 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	16.904 \| fine	74.841 \| fine	5.698 \| good	2.085 \| good	26.731 \| good	0.395 \| good
2025-12-07T11:00:00.000Z	66 \| moderate	16.735 \| fine	74.377 \| fine	5.517 \| good	1.931 \| good	24.55 \| good	0.358 \| good
2025-12-07T12:00:00.000Z	60 \| moderate	13.638 \| fine	60.537 \| fine	5.479 \| good	1.778 \| good	22.369 \| good	0.32 \| good
2025-12-07T13:00:00.000Z	60 \| moderate	13.58 \| fine	60.058 \| fine	5.68 \| good	1.749 \| good	21.759 \| good	0.323 \| good
2025-12-07T14:00:00.000Z	52 \| moderate	10.471 \| good	47.145 \| good	5.735 \| good	1.721 \| good	21.149 \| good	0.326 \| good
2025-12-07T15:00:00.000Z	49 \| good	9.066 \| good	40.348 \| good	3.978 \| good	1.693 \| good	20.539 \| good	0.328 \| good
2025-12-07T16:00:00.000Z	54 \| moderate	10.534 \| good	47.051 \| good	9.499 \| good	1.771 \| good	17.54 \| good	0.303 \| good
2025-12-07T17:00:00.000Z	49 \| good	8.943 \| good	39.563 \| good	13.85 \| good	1.85 \| good	14.54 \| good	0.279 \| good
2025-12-07T18:00:00.000Z	49 \| good	8.57 \| good	37.996 \| good	23.171 \| good	1.928 \| good	11.541 \| good	0.254 \| good
2025-12-07T19:00:00.000Z	49 \| good	9.393 \| good	42.081 \| good	28.69 \| good	2.046 \| good	10.152 \| good	0.229 \| good
2025-12-07T20:00:00.000Z	52 \| moderate	9.505 \| good	42.312 \| good	33.147 \| good	2.165 \| good	8.763 \| good	0.205 \| good
2025-12-07T21:00:00.000Z	49 \| good	8.894 \| good	39.562 \| good	37.47 \| good	2.283 \| good	7.374 \| good	0.18 \| good
2025-12-07T22:00:00.000Z	44 \| good	7.539 \| good	32.99 \| good	38.799 \| good	2.546 \| good	10.136 \| good	0.194 \| good
2025-12-07T23:00:00.000Z	49 \| good	8.856 \| good	39.177 \| good	36.622 \| good	2.809 \| good	12.897 \| good	0.208 \| good
2025-12-08T00:00:00.000Z	56 \| moderate	12.248 \| fine	54.786 \| good	27.783 \| good	3.071 \| good	15.659 \| good	0.222 \| good
2025-12-08T01:00:00.000Z	66 \| moderate	17.338 \| fine	76.665 \| fine	16.084 \| good	3.376 \| good	22.779 \| good	0.297 \| good
2025-12-08T02:00:00.000Z	79 \| moderate	24.184 \| fine	105.327 \| fine	9.888 \| good	3.681 \| good	29.899 \| good	0.373 \| good
2025-12-08T03:00:00.000Z	79 \| moderate	23.982 \| fine	104.674 \| fine	7.061 \| good	3.985 \| good	37.019 \| good	0.449 \| good
2025-12-08T04:00:00.000Z	81 \| moderate	24.772 \| fine	108.207 \| fine	3.962 \| good	3.454 \| good	35.361 \| good	0.453 \| good
2025-12-08T05:00:00.000Z	77 \| moderate	23.017 \| fine	100.682 \| fine	3.299 \| good	2.922 \| good	33.702 \| good	0.458 \| good
2025-12-08T06:00:00.000Z	73 \| moderate	21.18 \| fine	93.274 \| fine	4.252 \| good	2.39 \| good	32.044 \| good	0.463 \| good
2025-12-08T07:00:00.000Z	75 \| moderate	21.572 \| fine	94.904 \| fine	5.223 \| good	2.038 \| good	29.691 \| good	0.419 \| good
2025-12-08T08:00:00.000Z	77 \| moderate	22.698 \| fine	99.43 \| fine	5.554 \| good	1.685 \| good	27.339 \| good	0.376 \| good
2025-12-08T09:00:00.000Z	77 \| moderate	22.983 \| fine	100.773 \| fine	4.41 \| good	1.332 \| good	24.986 \| good	0.332 \| good
2025-12-08T10:00:00.000Z	71 \| moderate	19.615 \| fine	86.073 \| fine	4.29 \| good	1.281 \| good	22.101 \| good	0.303 \| good
2025-12-08T11:00:00.000Z	66 \| moderate	17.045 \| fine	75.514 \| fine	4.886 \| good	1.23 \| good	19.216 \| good	0.273 \| good
2025-12-08T12:00:00.000Z	62 \| moderate	15.465 \| fine	69.07 \| fine	5.762 \| good	1.178 \| good	16.33 \| good	0.244 \| good
2025-12-08T13:00:00.000Z	58 \| moderate	13.292 \| fine	59.091 \| fine	5.22 \| good	1.31 \| good	17.085 \| good	0.254 \| good
2025-12-08T14:00:00.000Z	54 \| moderate	10.975 \| good	49.227 \| good	7.589 \| good	1.442 \| good	17.839 \| good	0.265 \| good
2025-12-08T15:00:00.000Z	58 \| moderate	12.868 \| fine	57.411 \| fine	9.778 \| good	1.574 \| good	18.594 \| good	0.276 \| good
2025-12-08T16:00:00.000Z	58 \| moderate	12.534 \| fine	55.711 \| fine	15.988 \| good	1.71 \| good	16.017 \| good	0.268 \| good
2025-12-08T17:00:00.000Z	52 \| moderate	10.178 \| good	45.456 \| good	20.629 \| good	1.846 \| good	13.44 \| good	0.26 \| good
2025-12-08T18:00:00.000Z	27 \| good	4.787 \| good	20.782 \| good	29.398 \| good	1.983 \| good	10.864 \| good	0.251 \| good
2025-12-08T19:00:00.000Z	31 \| good	3.891 \| good	16.762 \| good	34.462 \| good	1.911 \| good	9.194 \| good	0.222 \| good
2025-12-08T20:00:00.000Z	33 \| good	2.531 \| good	10.581 \| good	36.113 \| good	1.84 \| good	7.525 \| good	0.193 \| good
2025-12-08T21:00:00.000Z	35 \| good	2.006 \| good	8.103 \| good	38.105 \| good	1.769 \| good	5.856 \| good	0.164 \| good
2025-12-08T22:00:00.000Z	34 \| good	2.076 \| good	8.543 \| good	37.267 \| good	1.869 \| good	7.794 \| good	0.171 \| good
2025-12-08T23:00:00.000Z	32 \| good	1.758 \| good	7.062 \| good	34.717 \| good	1.968 \| good	9.731 \| good	0.177 \| good
2025-12-09T00:00:00.000Z	30 \| good	1.708 \| good	7.002 \| good	31.619 \| good	2.068 \| good	11.669 \| good	0.183 \| good
2025-12-09T01:00:00.000Z	28 \| good	0.803 \| good	2.854 \| good	30.007 \| good	2.163 \| good	17.863 \| good	0.238 \| good
2025-12-09T02:00:00.000Z	30 \| good	0.901 \| good	3.519 \| good	31.846 \| good	2.258 \| good	24.058 \| good	0.293 \| good
2025-12-09T03:00:00.000Z	28 \| good	1.249 \| good	5.116 \| good	27.249 \| good	2.354 \| good	30.252 \| good	0.347 \| good
2025-12-09T04:00:00.000Z	26 \| good	1.977 \| good	8.247 \| good	16.814 \| good	2.051 \| good	28.143 \| good	0.326 \| good
2025-12-09T05:00:00.000Z	25 \| good	4.168 \| good	18.417 \| good	9.28 \| good	1.747 \| good	26.033 \| good	0.304 \| good
2025-12-09T06:00:00.000Z	60 \| moderate	13.809 \| fine	13.939 \| good	8.096 \| good	1.433 \| good	23.794 \| good	0.282 \| good
2025-12-09T07:00:00.000Z	38 \| good	6.687 \| good	29.268 \| good	6.079 \| good	1.276 \| good	21.069 \| good	0.254 \| good

Grand Terrace

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

0.92ppm

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 06:00:00 on 2025-12-07.

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 01:00:00 on 2025-12-07.

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

The current air quality in Grand Terrace, California is 64, categorized as Moderate 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 16.265 μg/m³.

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

The current PM₁₀ concentration at Grand Terrace, California is 28.332 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 0.875 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 0.8 ppb.

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

The current ozone (O₃) concentration at Grand Terrace, California is 6.769 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 27.778 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T08:00:00.000Z	38 \| good	7.342 \| good	23.516 \| good	9.997 \| good	0.743 \| good	29.025 \| good	0.341 \| good
2025-12-05T09:00:00.000Z	44 \| good	7.755 \| good	23.307 \| good	7.911 \| good	0.73 \| good	28.227 \| good	0.371 \| good
2025-12-05T10:00:00.000Z	44 \| good	8.315 \| good	24.3 \| good	7.445 \| good	0.699 \| good	29.41 \| good	0.379 \| good
2025-12-05T11:00:00.000Z	44 \| good	7.877 \| good	24.515 \| good	7.196 \| good	0.797 \| good	27.375 \| good	0.354 \| good
2025-12-05T12:00:00.000Z	38 \| good	7.135 \| good	23.411 \| good	4.828 \| good	0.802 \| good	28.275 \| good	0.422 \| good
2025-12-05T13:00:00.000Z	38 \| good	7.344 \| good	24.374 \| good	4.749 \| good	0.803 \| good	28.423 \| good	0.422 \| good
2025-12-05T14:00:00.000Z	49 \| good	9.22 \| good	30.366 \| good	5.696 \| good	0.982 \| good	29.28 \| good	0.573 \| good
2025-12-05T15:00:00.000Z	49 \| good	9.26 \| good	41.684 \| good	8.139 \| good	1.008 \| good	29.139 \| good	0.703 \| good
2025-12-05T16:00:00.000Z	54 \| moderate	10.775 \| good	50.575 \| good	8.801 \| good	1.115 \| good	30.213 \| good	0.697 \| good
2025-12-05T17:00:00.000Z	58 \| moderate	12.744 \| fine	57.267 \| fine	13.175 \| good	0.99 \| good	28.742 \| good	0.493 \| good
2025-12-05T18:00:00.000Z	56 \| moderate	12.053 \| good	44.522 \| good	12.868 \| good	0.888 \| good	25.842 \| good	0.379 \| good
2025-12-05T19:00:00.000Z	44 \| good	8.231 \| good	35.723 \| good	19.691 \| good	0.701 \| good	18.688 \| good	0.292 \| good
2025-12-05T20:00:00.000Z	49 \| good	9.213 \| good	28.973 \| good	23.614 \| good	0.715 \| good	14.233 \| good	0.229 \| good
2025-12-05T21:00:00.000Z	33 \| good	6.474 \| good	25.862 \| good	26.135 \| good	0.676 \| good	13.508 \| good	0.229 \| good
2025-12-05T22:00:00.000Z	29 \| good	4.976 \| good	23.413 \| good	30.604 \| good	0.626 \| good	11.293 \| good	0.198 \| good
2025-12-05T23:00:00.000Z	30 \| good	4.66 \| good	19.079 \| good	32.407 \| good	0.605 \| good	11.793 \| good	0.229 \| good
2025-12-06T00:00:00.000Z	30 \| good	5.323 \| good	19.287 \| good	32.024 \| good	0.594 \| good	13.892 \| good	0.229 \| good
2025-12-06T01:00:00.000Z	28 \| good	5.059 \| good	25.921 \| good	30.046 \| good	0.54 \| good	20.2 \| good	0.329 \| good
2025-12-06T02:00:00.000Z	38 \| good	6.616 \| good	28.42 \| good	27.21 \| good	0.571 \| good	27.637 \| good	0.409 \| good
2025-12-06T03:00:00.000Z	49 \| good	9.293 \| good	35.326 \| good	19.681 \| good	0.671 \| good	32.986 \| good	0.621 \| good
2025-12-06T04:00:00.000Z	58 \| moderate	12.607 \| fine	45.113 \| good	14.329 \| good	0.957 \| good	37.025 \| good	0.685 \| good
2025-12-06T05:00:00.000Z	62 \| moderate	15.068 \| fine	57.352 \| fine	10.517 \| good	1.181 \| good	38.617 \| good	0.777 \| good
2025-12-06T06:00:00.000Z	67 \| moderate	18.404 \| fine	60.682 \| fine	5.877 \| good	1.244 \| good	38.312 \| good	0.861 \| good
2025-12-06T07:00:00.000Z	67 \| moderate	17.688 \| fine	59.047 \| fine	5.684 \| good	1.256 \| good	38.083 \| good	0.861 \| good
2025-12-06T08:00:00.000Z	69 \| moderate	19.475 \| fine	53.981 \| good	2.602 \| good	1.173 \| good	32.997 \| good	1.002 \| good
2025-12-06T09:00:00.000Z	71 \| moderate	19.774 \| fine	55.01 \| fine	2.151 \| good	1.205 \| good	31.072 \| good	0.956 \| good
2025-12-06T10:00:00.000Z	71 \| moderate	19.984 \| fine	52.762 \| good	3.78 \| good	1.171 \| good	29.789 \| good	0.951 \| good
2025-12-06T11:00:00.000Z	64 \| moderate	15.738 \| fine	44.72 \| good	2.851 \| good	1.116 \| good	28.82 \| good	0.753 \| good
2025-12-06T12:00:00.000Z	66 \| moderate	16.831 \| fine	46.997 \| good	3.727 \| good	0.968 \| good	26.336 \| good	0.638 \| good
2025-12-06T13:00:00.000Z	66 \| moderate	16.543 \| fine	44.152 \| good	4.116 \| good	0.968 \| good	26.29 \| good	0.638 \| good
2025-12-06T14:00:00.000Z	64 \| moderate	16.098 \| fine	35.773 \| good	5.408 \| good	1.045 \| good	25.894 \| good	0.722 \| good
2025-12-06T15:00:00.000Z	64 \| moderate	16.263 \| fine	37.24 \| good	5.147 \| good	1.285 \| good	26.937 \| good	0.699 \| good
2025-12-06T16:00:00.000Z	64 \| moderate	16.347 \| fine	50.478 \| good	7.829 \| good	1.27 \| good	27.269 \| good	0.739 \| good
2025-12-06T17:00:00.000Z	62 \| moderate	14.876 \| fine	47.186 \| good	10.266 \| good	1.132 \| good	28.253 \| good	0.636 \| good
2025-12-06T18:00:00.000Z	62 \| moderate	15.136 \| fine	43.965 \| good	12.187 \| good	0.89 \| good	26.01 \| good	0.44 \| good
2025-12-06T19:00:00.000Z	60 \| moderate	13.587 \| fine	39.452 \| good	17.261 \| good	0.959 \| good	22.864 \| good	0.376 \| good
2025-12-06T20:00:00.000Z	58 \| moderate	12.585 \| fine	31.601 \| good	22.76 \| good	0.828 \| good	18.882 \| good	0.308 \| good
2025-12-06T21:00:00.000Z	54 \| moderate	10.988 \| good	31.944 \| good	29.933 \| good	0.677 \| good	15.201 \| good	0.229 \| good
2025-12-06T22:00:00.000Z	52 \| moderate	9.889 \| good	28.482 \| good	33.885 \| good	0.657 \| good	10.865 \| good	0.215 \| good
2025-12-06T23:00:00.000Z	52 \| moderate	10.046 \| good	22.906 \| good	36.376 \| good	0.796 \| good	12.27 \| good	0.291 \| good
2025-12-07T00:00:00.000Z	52 \| moderate	9.858 \| good	24.51 \| good	37.543 \| good	0.749 \| good	12.76 \| good	0.298 \| good
2025-12-07T01:00:00.000Z	52 \| moderate	10.273 \| good	29.791 \| good	35.132 \| good	0.757 \| good	18.6 \| good	0.405 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	12.236 \| fine	37.742 \| good	31.357 \| good	0.827 \| good	23.909 \| good	0.506 \| good
2025-12-07T03:00:00.000Z	64 \| moderate	16.43 \| fine	44.753 \| good	24.519 \| good	0.792 \| good	27.967 \| good	0.594 \| good
2025-12-07T04:00:00.000Z	67 \| moderate	18.316 \| fine	46.672 \| good	20.151 \| good	0.959 \| good	29.168 \| good	0.701 \| good
2025-12-07T05:00:00.000Z	73 \| moderate	20.955 \| fine	52.069 \| good	19.691 \| good	1.014 \| good	33.836 \| good	0.847 \| good
2025-12-07T06:00:00.000Z	79 \| moderate	24.245 \| fine	56.76 \| fine	9.897 \| good	0.818 \| good	33.745 \| good	0.932 \| good
2025-12-07T07:00:00.000Z	77 \| moderate	23.477 \| fine	53.911 \| good	9.96 \| good	0.822 \| good	33.719 \| good	0.932 \| good
2025-12-07T07:00:00.000Z	64 \| moderate	16.265 \| fine	28.332 \| good	6.769 \| good	0.8 \| good	27.778 \| good	0.875 \| good
2025-12-07T08:00:00.000Z	73 \| moderate	20.828 \| fine	91.69 \| fine	5.034 \| good	2.794 \| good	31.011 \| good	0.456 \| good
2025-12-07T09:00:00.000Z	71 \| moderate	19.586 \| fine	85.987 \| fine	4.346 \| good	2.238 \| good	28.912 \| good	0.432 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	16.904 \| fine	74.841 \| fine	5.698 \| good	2.085 \| good	26.731 \| good	0.395 \| good
2025-12-07T11:00:00.000Z	66 \| moderate	16.735 \| fine	74.377 \| fine	5.517 \| good	1.931 \| good	24.55 \| good	0.358 \| good
2025-12-07T12:00:00.000Z	60 \| moderate	13.638 \| fine	60.537 \| fine	5.479 \| good	1.778 \| good	22.369 \| good	0.32 \| good
2025-12-07T13:00:00.000Z	60 \| moderate	13.58 \| fine	60.058 \| fine	5.68 \| good	1.749 \| good	21.759 \| good	0.323 \| good
2025-12-07T14:00:00.000Z	52 \| moderate	10.471 \| good	47.145 \| good	5.735 \| good	1.721 \| good	21.149 \| good	0.326 \| good
2025-12-07T15:00:00.000Z	49 \| good	9.066 \| good	40.348 \| good	3.978 \| good	1.693 \| good	20.539 \| good	0.328 \| good
2025-12-07T16:00:00.000Z	54 \| moderate	10.534 \| good	47.051 \| good	9.499 \| good	1.771 \| good	17.54 \| good	0.303 \| good
2025-12-07T17:00:00.000Z	49 \| good	8.943 \| good	39.563 \| good	13.85 \| good	1.85 \| good	14.54 \| good	0.279 \| good
2025-12-07T18:00:00.000Z	49 \| good	8.57 \| good	37.996 \| good	23.171 \| good	1.928 \| good	11.541 \| good	0.254 \| good
2025-12-07T19:00:00.000Z	49 \| good	9.393 \| good	42.081 \| good	28.69 \| good	2.046 \| good	10.152 \| good	0.229 \| good
2025-12-07T20:00:00.000Z	52 \| moderate	9.505 \| good	42.312 \| good	33.147 \| good	2.165 \| good	8.763 \| good	0.205 \| good
2025-12-07T21:00:00.000Z	49 \| good	8.894 \| good	39.562 \| good	37.47 \| good	2.283 \| good	7.374 \| good	0.18 \| good
2025-12-07T22:00:00.000Z	44 \| good	7.539 \| good	32.99 \| good	38.799 \| good	2.546 \| good	10.136 \| good	0.194 \| good
2025-12-07T23:00:00.000Z	49 \| good	8.856 \| good	39.177 \| good	36.622 \| good	2.809 \| good	12.897 \| good	0.208 \| good
2025-12-08T00:00:00.000Z	56 \| moderate	12.248 \| fine	54.786 \| good	27.783 \| good	3.071 \| good	15.659 \| good	0.222 \| good
2025-12-08T01:00:00.000Z	66 \| moderate	17.338 \| fine	76.665 \| fine	16.084 \| good	3.376 \| good	22.779 \| good	0.297 \| good
2025-12-08T02:00:00.000Z	79 \| moderate	24.184 \| fine	105.327 \| fine	9.888 \| good	3.681 \| good	29.899 \| good	0.373 \| good
2025-12-08T03:00:00.000Z	79 \| moderate	23.982 \| fine	104.674 \| fine	7.061 \| good	3.985 \| good	37.019 \| good	0.449 \| good
2025-12-08T04:00:00.000Z	81 \| moderate	24.772 \| fine	108.207 \| fine	3.962 \| good	3.454 \| good	35.361 \| good	0.453 \| good
2025-12-08T05:00:00.000Z	77 \| moderate	23.017 \| fine	100.682 \| fine	3.299 \| good	2.922 \| good	33.702 \| good	0.458 \| good
2025-12-08T06:00:00.000Z	73 \| moderate	21.18 \| fine	93.274 \| fine	4.252 \| good	2.39 \| good	32.044 \| good	0.463 \| good
2025-12-08T07:00:00.000Z	75 \| moderate	21.572 \| fine	94.904 \| fine	5.223 \| good	2.038 \| good	29.691 \| good	0.419 \| good
2025-12-08T08:00:00.000Z	77 \| moderate	22.698 \| fine	99.43 \| fine	5.554 \| good	1.685 \| good	27.339 \| good	0.376 \| good
2025-12-08T09:00:00.000Z	77 \| moderate	22.983 \| fine	100.773 \| fine	4.41 \| good	1.332 \| good	24.986 \| good	0.332 \| good
2025-12-08T10:00:00.000Z	71 \| moderate	19.615 \| fine	86.073 \| fine	4.29 \| good	1.281 \| good	22.101 \| good	0.303 \| good
2025-12-08T11:00:00.000Z	66 \| moderate	17.045 \| fine	75.514 \| fine	4.886 \| good	1.23 \| good	19.216 \| good	0.273 \| good
2025-12-08T12:00:00.000Z	62 \| moderate	15.465 \| fine	69.07 \| fine	5.762 \| good	1.178 \| good	16.33 \| good	0.244 \| good
2025-12-08T13:00:00.000Z	58 \| moderate	13.292 \| fine	59.091 \| fine	5.22 \| good	1.31 \| good	17.085 \| good	0.254 \| good
2025-12-08T14:00:00.000Z	54 \| moderate	10.975 \| good	49.227 \| good	7.589 \| good	1.442 \| good	17.839 \| good	0.265 \| good
2025-12-08T15:00:00.000Z	58 \| moderate	12.868 \| fine	57.411 \| fine	9.778 \| good	1.574 \| good	18.594 \| good	0.276 \| good
2025-12-08T16:00:00.000Z	58 \| moderate	12.534 \| fine	55.711 \| fine	15.988 \| good	1.71 \| good	16.017 \| good	0.268 \| good
2025-12-08T17:00:00.000Z	52 \| moderate	10.178 \| good	45.456 \| good	20.629 \| good	1.846 \| good	13.44 \| good	0.26 \| good
2025-12-08T18:00:00.000Z	27 \| good	4.787 \| good	20.782 \| good	29.398 \| good	1.983 \| good	10.864 \| good	0.251 \| good
2025-12-08T19:00:00.000Z	31 \| good	3.891 \| good	16.762 \| good	34.462 \| good	1.911 \| good	9.194 \| good	0.222 \| good
2025-12-08T20:00:00.000Z	33 \| good	2.531 \| good	10.581 \| good	36.113 \| good	1.84 \| good	7.525 \| good	0.193 \| good
2025-12-08T21:00:00.000Z	35 \| good	2.006 \| good	8.103 \| good	38.105 \| good	1.769 \| good	5.856 \| good	0.164 \| good
2025-12-08T22:00:00.000Z	34 \| good	2.076 \| good	8.543 \| good	37.267 \| good	1.869 \| good	7.794 \| good	0.171 \| good
2025-12-08T23:00:00.000Z	32 \| good	1.758 \| good	7.062 \| good	34.717 \| good	1.968 \| good	9.731 \| good	0.177 \| good
2025-12-09T00:00:00.000Z	30 \| good	1.708 \| good	7.002 \| good	31.619 \| good	2.068 \| good	11.669 \| good	0.183 \| good
2025-12-09T01:00:00.000Z	28 \| good	0.803 \| good	2.854 \| good	30.007 \| good	2.163 \| good	17.863 \| good	0.238 \| good
2025-12-09T02:00:00.000Z	30 \| good	0.901 \| good	3.519 \| good	31.846 \| good	2.258 \| good	24.058 \| good	0.293 \| good
2025-12-09T03:00:00.000Z	28 \| good	1.249 \| good	5.116 \| good	27.249 \| good	2.354 \| good	30.252 \| good	0.347 \| good
2025-12-09T04:00:00.000Z	26 \| good	1.977 \| good	8.247 \| good	16.814 \| good	2.051 \| good	28.143 \| good	0.326 \| good
2025-12-09T05:00:00.000Z	25 \| good	4.168 \| good	18.417 \| good	9.28 \| good	1.747 \| good	26.033 \| good	0.304 \| good
2025-12-09T06:00:00.000Z	60 \| moderate	13.809 \| fine	13.939 \| good	8.096 \| good	1.433 \| good	23.794 \| good	0.282 \| good
2025-12-09T07:00:00.000Z	38 \| good	6.687 \| good	29.268 \| good	6.079 \| good	1.276 \| good	21.069 \| good	0.254 \| good

Grand Terrace, California live air quality index now

Major air pollutants in Grand Terrace, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Colton, California

Loma Linda, California

Riverside, California

San Bernardino, California

Bloomington, California

Rialto, California

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Frequently asked questions

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

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

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

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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