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

The current PM10 concentration at Grand Terrace, California is 53.966 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 1.093 ppb.

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

The current ozone (O3) concentration at Grand Terrace, California is 13.833 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 34.245 ppb.

Grand Terrace, California live air quality index now

Name: Live air pollution levels in Grand Terrace, California today
Creator: Ambee

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)

13.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

53.97 μg/m³

155

255

425

605+

Ozone (O₃)

13.83 ppb

201

201+

Sulfur Dioxide (SO₂)

1.09 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

34.24 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.88 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-10-19T17:00:00.000Z	44 \| good	8.44 \| good	25.445 \| good	22.094 \| good	0.59 \| good	16.903 \| good	0.339 \| good
2025-10-19T18:00:00.000Z	38 \| good	6.547 \| good	20.166 \| good	30.867 \| good	0.489 \| good	10.494 \| good	0.242 \| good
2025-10-19T19:00:00.000Z	35 \| good	5.913 \| good	20.323 \| good	38.4 \| good	0.435 \| good	6.207 \| good	0.19 \| good
2025-10-19T20:00:00.000Z	44 \| good	6.343 \| good	19.091 \| good	48.055 \| good	0.417 \| good	5.36 \| good	0.191 \| good
2025-10-19T21:00:00.000Z	58 \| moderate	6.043 \| good	17.29 \| good	56.522 \| fine	0.443 \| good	5.004 \| good	0.191 \| good
2025-10-19T22:00:00.000Z	77 \| moderate	5.602 \| good	16.407 \| good	62.867 \| fine	0.424 \| good	4.273 \| good	0.191 \| good
2025-10-19T23:00:00.000Z	93 \| moderate	4.982 \| good	15.341 \| good	67.657 \| fine	0.445 \| good	4.407 \| good	0.203 \| good
2025-10-20T00:00:00.000Z	97 \| moderate	5.257 \| good	16.083 \| good	69.255 \| fine	0.463 \| good	4.364 \| good	0.203 \| good
2025-10-20T01:00:00.000Z	77 \| moderate	5.753 \| good	17.259 \| good	63.404 \| fine	0.652 \| good	6.023 \| good	0.203 \| good
2025-10-20T02:00:00.000Z	64 \| moderate	6.052 \| good	22.434 \| good	59.004 \| fine	0.793 \| good	9.333 \| good	0.222 \| good
2025-10-20T03:00:00.000Z	49 \| good	6.99 \| good	24.587 \| good	53.175 \| good	0.74 \| good	13.952 \| good	0.293 \| good
2025-10-20T04:00:00.000Z	49 \| good	8.519 \| good	27.433 \| good	44.916 \| good	0.526 \| good	19.33 \| good	0.41 \| good
2025-10-20T05:00:00.000Z	58 \| moderate	13.435 \| fine	34.3 \| good	33.589 \| good	0.576 \| good	27.998 \| good	0.567 \| good
2025-10-20T06:00:00.000Z	56 \| moderate	11.64 \| good	35.256 \| good	28.081 \| good	0.42 \| good	28.817 \| good	0.431 \| good
2025-10-20T07:00:00.000Z	54 \| moderate	10.699 \| good	31.695 \| good	28.081 \| good	0.429 \| good	29.08 \| good	0.431 \| good
2025-10-20T08:00:00.000Z	56 \| moderate	11.803 \| good	30.781 \| good	13.368 \| good	0.416 \| good	30.072 \| good	0.549 \| good
2025-10-20T09:00:00.000Z	56 \| moderate	12.037 \| good	31.058 \| good	10.543 \| good	0.465 \| good	27.902 \| good	0.507 \| good
2025-10-20T10:00:00.000Z	54 \| moderate	11.2 \| good	29.392 \| good	11.629 \| good	0.406 \| good	27.288 \| good	0.537 \| good
2025-10-20T11:00:00.000Z	54 \| moderate	10.697 \| good	29.373 \| good	7.895 \| good	0.514 \| good	28.494 \| good	0.585 \| good
2025-10-20T12:00:00.000Z	54 \| moderate	10.719 \| good	29.014 \| good	7.125 \| good	0.471 \| good	28.127 \| good	0.585 \| good
2025-10-20T13:00:00.000Z	54 \| moderate	10.794 \| good	28.263 \| good	7.125 \| good	0.472 \| good	28.057 \| good	0.585 \| good
2025-10-20T14:00:00.000Z	52 \| moderate	10.214 \| good	31.706 \| good	10.205 \| good	0.499 \| good	30.257 \| good	0.64 \| good
2025-10-20T15:00:00.000Z	52 \| moderate	10.455 \| good	36.412 \| good	11.975 \| good	0.591 \| good	31.73 \| good	0.779 \| good
2025-10-20T16:00:00.000Z	58 \| moderate	12.989 \| fine	50.988 \| good	16.259 \| good	1.214 \| good	33.125 \| good	0.654 \| good
2025-10-20T17:00:00.000Z	60 \| moderate	13.848 \| fine	51.326 \| good	26.792 \| good	0.668 \| good	24.987 \| good	0.398 \| good
2025-10-20T18:00:00.000Z	56 \| moderate	11.631 \| good	43.077 \| good	37.301 \| good	0.579 \| good	16.52 \| good	0.298 \| good
2025-10-20T19:00:00.000Z	49 \| good	9.151 \| good	31.326 \| good	46.36 \| good	0.459 \| good	8.283 \| good	0.214 \| good
2025-10-20T20:00:00.000Z	49 \| good	6.953 \| good	21.495 \| good	52.524 \| good	0.479 \| good	5.144 \| good	0.191 \| good
2025-10-20T21:00:00.000Z	51 \| moderate	6.045 \| good	18.784 \| good	55.175 \| fine	0.486 \| good	6.099 \| good	0.191 \| good
2025-10-20T22:00:00.000Z	61 \| moderate	5.575 \| good	18.183 \| good	58.304 \| fine	0.48 \| good	8.609 \| good	0.2 \| good
2025-10-20T23:00:00.000Z	74 \| moderate	5.683 \| good	18.559 \| good	62.126 \| fine	0.583 \| good	9.291 \| good	0.172 \| good
2025-10-21T00:00:00.000Z	71 \| moderate	6.155 \| good	21.15 \| good	61.302 \| fine	0.757 \| good	10.229 \| good	0.249 \| good
2025-10-21T01:00:00.000Z	64 \| moderate	6.048 \| good	24.466 \| good	59.032 \| fine	0.717 \| good	13.324 \| good	0.262 \| good
2025-10-21T02:00:00.000Z	46 \| good	6.714 \| good	30.403 \| good	50.394 \| good	0.673 \| good	22.595 \| good	0.351 \| good
2025-10-21T03:00:00.000Z	66 \| moderate	17.453 \| fine	77.157 \| fine	23.162 \| good	5.149 \| good	25.363 \| good	0.366 \| good
2025-10-21T04:00:00.000Z	54 \| moderate	11.39 \| good	40.161 \| good	45.033 \| good	0.783 \| good	26.379 \| good	0.462 \| good
2025-10-21T05:00:00.000Z	58 \| moderate	13.084 \| fine	44.053 \| good	42.019 \| good	0.729 \| good	34.628 \| good	0.502 \| good
2025-10-21T06:00:00.000Z	62 \| moderate	14.92 \| fine	52.266 \| good	19.217 \| good	0.619 \| good	44.176 \| good	0.638 \| good
2025-10-21T07:00:00.000Z	62 \| moderate	14.609 \| fine	48.771 \| good	19.217 \| good	0.626 \| good	45.022 \| good	0.638 \| good
2025-10-21T08:00:00.000Z	62 \| moderate	14.765 \| fine	48.868 \| good	12.34 \| good	0.49 \| good	37.932 \| good	0.589 \| good
2025-10-21T09:00:00.000Z	60 \| moderate	14.026 \| fine	44.476 \| good	12.34 \| good	0.492 \| good	37.719 \| good	0.588 \| good
2025-10-21T10:00:00.000Z	60 \| moderate	13.995 \| fine	41.655 \| good	8.349 \| good	0.46 \| good	34.472 \| good	0.549 \| good
2025-10-21T11:00:00.000Z	56 \| moderate	12.264 \| fine	37.86 \| good	6.506 \| good	0.567 \| good	32.99 \| good	0.529 \| good
2025-10-21T12:00:00.000Z	56 \| moderate	12.21 \| fine	36.149 \| good	12.084 \| good	0.583 \| good	32.037 \| good	0.558 \| good
2025-10-21T13:00:00.000Z	56 \| moderate	12.194 \| fine	35.987 \| good	10.666 \| good	0.584 \| good	32.313 \| good	0.558 \| good
2025-10-21T14:00:00.000Z	56 \| moderate	11.833 \| good	39.532 \| good	9.184 \| good	0.847 \| good	33.083 \| good	0.75 \| good
2025-10-21T15:00:00.000Z	60 \| moderate	13.796 \| fine	53.966 \| good	13.833 \| good	1.093 \| good	34.245 \| good	0.883 \| good
2025-10-21T16:00:00.000Z	60 \| moderate	13.796 \| fine	53.966 \| good	13.833 \| good	1.093 \| good	34.245 \| good	0.883 \| good
2025-10-21T17:00:00.000Z	86 \| moderate	27.511 \| fine	120.178 \| fine	27.169 \| good	1.896 \| good	7.652 \| good	0.185 \| good
2025-10-21T18:00:00.000Z	75 \| moderate	21.938 \| fine	96.526 \| fine	40.444 \| good	2.152 \| good	4.576 \| good	0.15 \| good
2025-10-21T19:00:00.000Z	54 \| moderate	10.667 \| good	47.686 \| good	52.789 \| good	2.273 \| good	4.105 \| good	0.153 \| good
2025-10-21T20:00:00.000Z	74 \| moderate	12.986 \| fine	57.876 \| fine	61.694 \| fine	2.395 \| good	3.634 \| good	0.156 \| good
2025-10-21T21:00:00.000Z	101 \| sensitive	14.382 \| fine	64.11 \| fine	71.412 \| moderate	2.516 \| good	3.163 \| good	0.159 \| good
2025-10-21T22:00:00.000Z	119 \| sensitive	15.398 \| fine	68.133 \| fine	75.988 \| moderate	2.629 \| good	3.779 \| good	0.165 \| good
2025-10-21T23:00:00.000Z	108 \| sensitive	14.002 \| fine	62.369 \| fine	73.019 \| moderate	2.743 \| good	4.395 \| good	0.17 \| good
2025-10-22T00:00:00.000Z	67 \| moderate	8.821 \| good	38.769 \| good	59.528 \| fine	2.856 \| good	5.011 \| good	0.176 \| good
2025-10-22T01:00:00.000Z	44 \| good	5.11 \| good	22.267 \| good	47.569 \| good	3.312 \| good	10.73 \| good	0.222 \| good
2025-10-22T02:00:00.000Z	44 \| good	7.509 \| good	33.05 \| good	37.148 \| good	3.767 \| good	16.449 \| good	0.268 \| good
2025-10-22T03:00:00.000Z	49 \| good	9.099 \| good	40.127 \| good	31.622 \| good	4.223 \| good	22.168 \| good	0.314 \| good
2025-10-22T04:00:00.000Z	64 \| moderate	16.5 \| fine	72.641 \| fine	21.894 \| good	4.38 \| good	24.089 \| good	0.333 \| good
2025-10-22T05:00:00.000Z	56 \| moderate	12.041 \| good	53.189 \| good	21.492 \| good	4.538 \| good	26.01 \| good	0.353 \| good
2025-10-22T06:00:00.000Z	60 \| moderate	13.93 \| fine	63.305 \| fine	19.455 \| good	4.696 \| good	27.93 \| good	0.372 \| good
2025-10-22T07:00:00.000Z	62 \| moderate	14.859 \| fine	65.541 \| fine	16.306 \| good	4.763 \| good	26.251 \| good	0.368 \| good
2025-10-22T08:00:00.000Z	60 \| moderate	14.231 \| fine	63.367 \| fine	15.006 \| good	4.83 \| good	24.571 \| good	0.365 \| good
2025-10-22T09:00:00.000Z	58 \| moderate	13.058 \| fine	59.384 \| fine	13.756 \| good	4.898 \| good	22.892 \| good	0.362 \| good
2025-10-22T10:00:00.000Z	56 \| moderate	12.131 \| fine	54.622 \| good	12.181 \| good	4.767 \| good	21.857 \| good	0.351 \| good
2025-10-22T11:00:00.000Z	58 \| moderate	12.712 \| fine	57.095 \| fine	10.609 \| good	4.637 \| good	20.821 \| good	0.341 \| good
2025-10-22T12:00:00.000Z	54 \| moderate	11.498 \| good	51.193 \| good	3.133 \| good	4.507 \| good	19.786 \| good	0.331 \| good
2025-10-22T13:00:00.000Z	62 \| moderate	14.648 \| fine	65.737 \| fine	2.446 \| good	4.43 \| good	20.576 \| good	0.353 \| good
2025-10-22T14:00:00.000Z	66 \| moderate	16.75 \| fine	74.654 \| fine	4.499 \| good	4.354 \| good	21.366 \| good	0.374 \| good
2025-10-22T15:00:00.000Z	60 \| moderate	14.376 \| fine	64.841 \| fine	13.48 \| good	4.277 \| good	22.156 \| good	0.395 \| good
2025-10-22T16:00:00.000Z	60 \| moderate	14.165 \| fine	63.961 \| fine	23.519 \| good	4.107 \| good	17.875 \| good	0.331 \| good
2025-10-22T17:00:00.000Z	58 \| moderate	12.541 \| fine	56.183 \| fine	32.984 \| good	3.937 \| good	13.594 \| good	0.267 \| good
2025-10-22T18:00:00.000Z	52 \| moderate	9.72 \| good	43.394 \| good	40.428 \| good	3.766 \| good	9.313 \| good	0.204 \| good
2025-10-22T19:00:00.000Z	42 \| good	7.415 \| good	32.592 \| good	45.468 \| good	3.318 \| good	7.965 \| good	0.187 \| good
2025-10-22T20:00:00.000Z	42 \| good	6.145 \| good	27.13 \| good	45.188 \| good	2.869 \| good	6.618 \| good	0.171 \| good
2025-10-22T21:00:00.000Z	41 \| good	5.354 \| good	23.281 \| good	43.819 \| good	2.42 \| good	5.27 \| good	0.154 \| good
2025-10-22T22:00:00.000Z	41 \| good	5.342 \| good	22.621 \| good	44.408 \| good	2.595 \| good	5.818 \| good	0.155 \| good
2025-10-22T23:00:00.000Z	41 \| good	4.752 \| good	20.67 \| good	44.195 \| good	2.77 \| good	6.366 \| good	0.155 \| good
2025-10-23T00:00:00.000Z	41 \| good	3.17 \| good	13.946 \| good	43.787 \| good	2.946 \| good	6.914 \| good	0.156 \| good
2025-10-23T01:00:00.000Z	34 \| good	1.473 \| good	5.611 \| good	36.576 \| good	3.067 \| good	9.301 \| good	0.169 \| good
2025-10-23T02:00:00.000Z	28 \| good	1.599 \| good	6.65 \| good	30.247 \| good	3.189 \| good	11.688 \| good	0.182 \| good
2025-10-23T03:00:00.000Z	25 \| good	3.91 \| good	16.615 \| good	27.377 \| good	3.31 \| good	14.076 \| good	0.195 \| good
2025-10-23T04:00:00.000Z	44 \| good	8.312 \| good	36.252 \| good	20.556 \| good	3.374 \| good	16.137 \| good	0.208 \| good
2025-10-23T05:00:00.000Z	33 \| good	5.759 \| good	24.746 \| good	17.596 \| good	3.438 \| good	18.199 \| good	0.221 \| good
2025-10-23T06:00:00.000Z	38 \| good	6.554 \| good	29.412 \| good	14.646 \| good	3.502 \| good	20.26 \| good	0.234 \| good
2025-10-23T07:00:00.000Z	44 \| good	8.049 \| good	35.666 \| good	11.245 \| good	3.336 \| good	20.702 \| good	0.243 \| good
2025-10-23T08:00:00.000Z	52 \| moderate	10.249 \| good	45.33 \| good	7.685 \| good	3.169 \| good	21.143 \| good	0.252 \| good
2025-10-23T09:00:00.000Z	54 \| moderate	11.147 \| good	49.582 \| good	2.834 \| good	3.002 \| good	21.585 \| good	0.261 \| good
2025-10-23T10:00:00.000Z	54 \| moderate	11.235 \| good	49.748 \| good	4.645 \| good	2.803 \| good	20.44 \| good	0.257 \| good
2025-10-23T11:00:00.000Z	54 \| moderate	11.021 \| good	49.077 \| good	5.807 \| good	2.603 \| good	19.295 \| good	0.253 \| good
2025-10-23T12:00:00.000Z	38 \| good	6.951 \| good	30.464 \| good	5.337 \| good	2.404 \| good	18.151 \| good	0.248 \| good
2025-10-23T13:00:00.000Z	44 \| good	8.372 \| good	36.649 \| good	6.083 \| good	2.29 \| good	16.906 \| good	0.256 \| good
2025-10-23T14:00:00.000Z	49 \| good	8.942 \| good	39.067 \| good	6.474 \| good	2.176 \| good	15.662 \| good	0.263 \| good
2025-10-23T15:00:00.000Z	44 \| good	7.975 \| good	35.192 \| good	16.036 \| good	2.062 \| good	14.417 \| good	0.27 \| good
2025-10-23T16:00:00.000Z	44 \| good	7.552 \| good	33.059 \| good	25.68 \| good	2.113 \| good	11.534 \| good	0.236 \| good

Grand Terrace

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

0.93ppm

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 2025-10-20.

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 2025-10-21.

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

The current air quality in Grand Terrace, California is 60, 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 13.796 μg/m³.

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

The current PM₁₀ concentration at Grand Terrace, California is 53.966 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 0.883 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 1.093 ppb.

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

The current ozone (O₃) concentration at Grand Terrace, California is 13.833 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 34.245 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-19T17:00:00.000Z	44 \| good	8.44 \| good	25.445 \| good	22.094 \| good	0.59 \| good	16.903 \| good	0.339 \| good
2025-10-19T18:00:00.000Z	38 \| good	6.547 \| good	20.166 \| good	30.867 \| good	0.489 \| good	10.494 \| good	0.242 \| good
2025-10-19T19:00:00.000Z	35 \| good	5.913 \| good	20.323 \| good	38.4 \| good	0.435 \| good	6.207 \| good	0.19 \| good
2025-10-19T20:00:00.000Z	44 \| good	6.343 \| good	19.091 \| good	48.055 \| good	0.417 \| good	5.36 \| good	0.191 \| good
2025-10-19T21:00:00.000Z	58 \| moderate	6.043 \| good	17.29 \| good	56.522 \| fine	0.443 \| good	5.004 \| good	0.191 \| good
2025-10-19T22:00:00.000Z	77 \| moderate	5.602 \| good	16.407 \| good	62.867 \| fine	0.424 \| good	4.273 \| good	0.191 \| good
2025-10-19T23:00:00.000Z	93 \| moderate	4.982 \| good	15.341 \| good	67.657 \| fine	0.445 \| good	4.407 \| good	0.203 \| good
2025-10-20T00:00:00.000Z	97 \| moderate	5.257 \| good	16.083 \| good	69.255 \| fine	0.463 \| good	4.364 \| good	0.203 \| good
2025-10-20T01:00:00.000Z	77 \| moderate	5.753 \| good	17.259 \| good	63.404 \| fine	0.652 \| good	6.023 \| good	0.203 \| good
2025-10-20T02:00:00.000Z	64 \| moderate	6.052 \| good	22.434 \| good	59.004 \| fine	0.793 \| good	9.333 \| good	0.222 \| good
2025-10-20T03:00:00.000Z	49 \| good	6.99 \| good	24.587 \| good	53.175 \| good	0.74 \| good	13.952 \| good	0.293 \| good
2025-10-20T04:00:00.000Z	49 \| good	8.519 \| good	27.433 \| good	44.916 \| good	0.526 \| good	19.33 \| good	0.41 \| good
2025-10-20T05:00:00.000Z	58 \| moderate	13.435 \| fine	34.3 \| good	33.589 \| good	0.576 \| good	27.998 \| good	0.567 \| good
2025-10-20T06:00:00.000Z	56 \| moderate	11.64 \| good	35.256 \| good	28.081 \| good	0.42 \| good	28.817 \| good	0.431 \| good
2025-10-20T07:00:00.000Z	54 \| moderate	10.699 \| good	31.695 \| good	28.081 \| good	0.429 \| good	29.08 \| good	0.431 \| good
2025-10-20T08:00:00.000Z	56 \| moderate	11.803 \| good	30.781 \| good	13.368 \| good	0.416 \| good	30.072 \| good	0.549 \| good
2025-10-20T09:00:00.000Z	56 \| moderate	12.037 \| good	31.058 \| good	10.543 \| good	0.465 \| good	27.902 \| good	0.507 \| good
2025-10-20T10:00:00.000Z	54 \| moderate	11.2 \| good	29.392 \| good	11.629 \| good	0.406 \| good	27.288 \| good	0.537 \| good
2025-10-20T11:00:00.000Z	54 \| moderate	10.697 \| good	29.373 \| good	7.895 \| good	0.514 \| good	28.494 \| good	0.585 \| good
2025-10-20T12:00:00.000Z	54 \| moderate	10.719 \| good	29.014 \| good	7.125 \| good	0.471 \| good	28.127 \| good	0.585 \| good
2025-10-20T13:00:00.000Z	54 \| moderate	10.794 \| good	28.263 \| good	7.125 \| good	0.472 \| good	28.057 \| good	0.585 \| good
2025-10-20T14:00:00.000Z	52 \| moderate	10.214 \| good	31.706 \| good	10.205 \| good	0.499 \| good	30.257 \| good	0.64 \| good
2025-10-20T15:00:00.000Z	52 \| moderate	10.455 \| good	36.412 \| good	11.975 \| good	0.591 \| good	31.73 \| good	0.779 \| good
2025-10-20T16:00:00.000Z	58 \| moderate	12.989 \| fine	50.988 \| good	16.259 \| good	1.214 \| good	33.125 \| good	0.654 \| good
2025-10-20T17:00:00.000Z	60 \| moderate	13.848 \| fine	51.326 \| good	26.792 \| good	0.668 \| good	24.987 \| good	0.398 \| good
2025-10-20T18:00:00.000Z	56 \| moderate	11.631 \| good	43.077 \| good	37.301 \| good	0.579 \| good	16.52 \| good	0.298 \| good
2025-10-20T19:00:00.000Z	49 \| good	9.151 \| good	31.326 \| good	46.36 \| good	0.459 \| good	8.283 \| good	0.214 \| good
2025-10-20T20:00:00.000Z	49 \| good	6.953 \| good	21.495 \| good	52.524 \| good	0.479 \| good	5.144 \| good	0.191 \| good
2025-10-20T21:00:00.000Z	51 \| moderate	6.045 \| good	18.784 \| good	55.175 \| fine	0.486 \| good	6.099 \| good	0.191 \| good
2025-10-20T22:00:00.000Z	61 \| moderate	5.575 \| good	18.183 \| good	58.304 \| fine	0.48 \| good	8.609 \| good	0.2 \| good
2025-10-20T23:00:00.000Z	74 \| moderate	5.683 \| good	18.559 \| good	62.126 \| fine	0.583 \| good	9.291 \| good	0.172 \| good
2025-10-21T00:00:00.000Z	71 \| moderate	6.155 \| good	21.15 \| good	61.302 \| fine	0.757 \| good	10.229 \| good	0.249 \| good
2025-10-21T01:00:00.000Z	64 \| moderate	6.048 \| good	24.466 \| good	59.032 \| fine	0.717 \| good	13.324 \| good	0.262 \| good
2025-10-21T02:00:00.000Z	46 \| good	6.714 \| good	30.403 \| good	50.394 \| good	0.673 \| good	22.595 \| good	0.351 \| good
2025-10-21T03:00:00.000Z	66 \| moderate	17.453 \| fine	77.157 \| fine	23.162 \| good	5.149 \| good	25.363 \| good	0.366 \| good
2025-10-21T04:00:00.000Z	54 \| moderate	11.39 \| good	40.161 \| good	45.033 \| good	0.783 \| good	26.379 \| good	0.462 \| good
2025-10-21T05:00:00.000Z	58 \| moderate	13.084 \| fine	44.053 \| good	42.019 \| good	0.729 \| good	34.628 \| good	0.502 \| good
2025-10-21T06:00:00.000Z	62 \| moderate	14.92 \| fine	52.266 \| good	19.217 \| good	0.619 \| good	44.176 \| good	0.638 \| good
2025-10-21T07:00:00.000Z	62 \| moderate	14.609 \| fine	48.771 \| good	19.217 \| good	0.626 \| good	45.022 \| good	0.638 \| good
2025-10-21T08:00:00.000Z	62 \| moderate	14.765 \| fine	48.868 \| good	12.34 \| good	0.49 \| good	37.932 \| good	0.589 \| good
2025-10-21T09:00:00.000Z	60 \| moderate	14.026 \| fine	44.476 \| good	12.34 \| good	0.492 \| good	37.719 \| good	0.588 \| good
2025-10-21T10:00:00.000Z	60 \| moderate	13.995 \| fine	41.655 \| good	8.349 \| good	0.46 \| good	34.472 \| good	0.549 \| good
2025-10-21T11:00:00.000Z	56 \| moderate	12.264 \| fine	37.86 \| good	6.506 \| good	0.567 \| good	32.99 \| good	0.529 \| good
2025-10-21T12:00:00.000Z	56 \| moderate	12.21 \| fine	36.149 \| good	12.084 \| good	0.583 \| good	32.037 \| good	0.558 \| good
2025-10-21T13:00:00.000Z	56 \| moderate	12.194 \| fine	35.987 \| good	10.666 \| good	0.584 \| good	32.313 \| good	0.558 \| good
2025-10-21T14:00:00.000Z	56 \| moderate	11.833 \| good	39.532 \| good	9.184 \| good	0.847 \| good	33.083 \| good	0.75 \| good
2025-10-21T15:00:00.000Z	60 \| moderate	13.796 \| fine	53.966 \| good	13.833 \| good	1.093 \| good	34.245 \| good	0.883 \| good
2025-10-21T16:00:00.000Z	60 \| moderate	13.796 \| fine	53.966 \| good	13.833 \| good	1.093 \| good	34.245 \| good	0.883 \| good
2025-10-21T17:00:00.000Z	86 \| moderate	27.511 \| fine	120.178 \| fine	27.169 \| good	1.896 \| good	7.652 \| good	0.185 \| good
2025-10-21T18:00:00.000Z	75 \| moderate	21.938 \| fine	96.526 \| fine	40.444 \| good	2.152 \| good	4.576 \| good	0.15 \| good
2025-10-21T19:00:00.000Z	54 \| moderate	10.667 \| good	47.686 \| good	52.789 \| good	2.273 \| good	4.105 \| good	0.153 \| good
2025-10-21T20:00:00.000Z	74 \| moderate	12.986 \| fine	57.876 \| fine	61.694 \| fine	2.395 \| good	3.634 \| good	0.156 \| good
2025-10-21T21:00:00.000Z	101 \| sensitive	14.382 \| fine	64.11 \| fine	71.412 \| moderate	2.516 \| good	3.163 \| good	0.159 \| good
2025-10-21T22:00:00.000Z	119 \| sensitive	15.398 \| fine	68.133 \| fine	75.988 \| moderate	2.629 \| good	3.779 \| good	0.165 \| good
2025-10-21T23:00:00.000Z	108 \| sensitive	14.002 \| fine	62.369 \| fine	73.019 \| moderate	2.743 \| good	4.395 \| good	0.17 \| good
2025-10-22T00:00:00.000Z	67 \| moderate	8.821 \| good	38.769 \| good	59.528 \| fine	2.856 \| good	5.011 \| good	0.176 \| good
2025-10-22T01:00:00.000Z	44 \| good	5.11 \| good	22.267 \| good	47.569 \| good	3.312 \| good	10.73 \| good	0.222 \| good
2025-10-22T02:00:00.000Z	44 \| good	7.509 \| good	33.05 \| good	37.148 \| good	3.767 \| good	16.449 \| good	0.268 \| good
2025-10-22T03:00:00.000Z	49 \| good	9.099 \| good	40.127 \| good	31.622 \| good	4.223 \| good	22.168 \| good	0.314 \| good
2025-10-22T04:00:00.000Z	64 \| moderate	16.5 \| fine	72.641 \| fine	21.894 \| good	4.38 \| good	24.089 \| good	0.333 \| good
2025-10-22T05:00:00.000Z	56 \| moderate	12.041 \| good	53.189 \| good	21.492 \| good	4.538 \| good	26.01 \| good	0.353 \| good
2025-10-22T06:00:00.000Z	60 \| moderate	13.93 \| fine	63.305 \| fine	19.455 \| good	4.696 \| good	27.93 \| good	0.372 \| good
2025-10-22T07:00:00.000Z	62 \| moderate	14.859 \| fine	65.541 \| fine	16.306 \| good	4.763 \| good	26.251 \| good	0.368 \| good
2025-10-22T08:00:00.000Z	60 \| moderate	14.231 \| fine	63.367 \| fine	15.006 \| good	4.83 \| good	24.571 \| good	0.365 \| good
2025-10-22T09:00:00.000Z	58 \| moderate	13.058 \| fine	59.384 \| fine	13.756 \| good	4.898 \| good	22.892 \| good	0.362 \| good
2025-10-22T10:00:00.000Z	56 \| moderate	12.131 \| fine	54.622 \| good	12.181 \| good	4.767 \| good	21.857 \| good	0.351 \| good
2025-10-22T11:00:00.000Z	58 \| moderate	12.712 \| fine	57.095 \| fine	10.609 \| good	4.637 \| good	20.821 \| good	0.341 \| good
2025-10-22T12:00:00.000Z	54 \| moderate	11.498 \| good	51.193 \| good	3.133 \| good	4.507 \| good	19.786 \| good	0.331 \| good
2025-10-22T13:00:00.000Z	62 \| moderate	14.648 \| fine	65.737 \| fine	2.446 \| good	4.43 \| good	20.576 \| good	0.353 \| good
2025-10-22T14:00:00.000Z	66 \| moderate	16.75 \| fine	74.654 \| fine	4.499 \| good	4.354 \| good	21.366 \| good	0.374 \| good
2025-10-22T15:00:00.000Z	60 \| moderate	14.376 \| fine	64.841 \| fine	13.48 \| good	4.277 \| good	22.156 \| good	0.395 \| good
2025-10-22T16:00:00.000Z	60 \| moderate	14.165 \| fine	63.961 \| fine	23.519 \| good	4.107 \| good	17.875 \| good	0.331 \| good
2025-10-22T17:00:00.000Z	58 \| moderate	12.541 \| fine	56.183 \| fine	32.984 \| good	3.937 \| good	13.594 \| good	0.267 \| good
2025-10-22T18:00:00.000Z	52 \| moderate	9.72 \| good	43.394 \| good	40.428 \| good	3.766 \| good	9.313 \| good	0.204 \| good
2025-10-22T19:00:00.000Z	42 \| good	7.415 \| good	32.592 \| good	45.468 \| good	3.318 \| good	7.965 \| good	0.187 \| good
2025-10-22T20:00:00.000Z	42 \| good	6.145 \| good	27.13 \| good	45.188 \| good	2.869 \| good	6.618 \| good	0.171 \| good
2025-10-22T21:00:00.000Z	41 \| good	5.354 \| good	23.281 \| good	43.819 \| good	2.42 \| good	5.27 \| good	0.154 \| good
2025-10-22T22:00:00.000Z	41 \| good	5.342 \| good	22.621 \| good	44.408 \| good	2.595 \| good	5.818 \| good	0.155 \| good
2025-10-22T23:00:00.000Z	41 \| good	4.752 \| good	20.67 \| good	44.195 \| good	2.77 \| good	6.366 \| good	0.155 \| good
2025-10-23T00:00:00.000Z	41 \| good	3.17 \| good	13.946 \| good	43.787 \| good	2.946 \| good	6.914 \| good	0.156 \| good
2025-10-23T01:00:00.000Z	34 \| good	1.473 \| good	5.611 \| good	36.576 \| good	3.067 \| good	9.301 \| good	0.169 \| good
2025-10-23T02:00:00.000Z	28 \| good	1.599 \| good	6.65 \| good	30.247 \| good	3.189 \| good	11.688 \| good	0.182 \| good
2025-10-23T03:00:00.000Z	25 \| good	3.91 \| good	16.615 \| good	27.377 \| good	3.31 \| good	14.076 \| good	0.195 \| good
2025-10-23T04:00:00.000Z	44 \| good	8.312 \| good	36.252 \| good	20.556 \| good	3.374 \| good	16.137 \| good	0.208 \| good
2025-10-23T05:00:00.000Z	33 \| good	5.759 \| good	24.746 \| good	17.596 \| good	3.438 \| good	18.199 \| good	0.221 \| good
2025-10-23T06:00:00.000Z	38 \| good	6.554 \| good	29.412 \| good	14.646 \| good	3.502 \| good	20.26 \| good	0.234 \| good
2025-10-23T07:00:00.000Z	44 \| good	8.049 \| good	35.666 \| good	11.245 \| good	3.336 \| good	20.702 \| good	0.243 \| good
2025-10-23T08:00:00.000Z	52 \| moderate	10.249 \| good	45.33 \| good	7.685 \| good	3.169 \| good	21.143 \| good	0.252 \| good
2025-10-23T09:00:00.000Z	54 \| moderate	11.147 \| good	49.582 \| good	2.834 \| good	3.002 \| good	21.585 \| good	0.261 \| good
2025-10-23T10:00:00.000Z	54 \| moderate	11.235 \| good	49.748 \| good	4.645 \| good	2.803 \| good	20.44 \| good	0.257 \| good
2025-10-23T11:00:00.000Z	54 \| moderate	11.021 \| good	49.077 \| good	5.807 \| good	2.603 \| good	19.295 \| good	0.253 \| good
2025-10-23T12:00:00.000Z	38 \| good	6.951 \| good	30.464 \| good	5.337 \| good	2.404 \| good	18.151 \| good	0.248 \| good
2025-10-23T13:00:00.000Z	44 \| good	8.372 \| good	36.649 \| good	6.083 \| good	2.29 \| good	16.906 \| good	0.256 \| good
2025-10-23T14:00:00.000Z	49 \| good	8.942 \| good	39.067 \| good	6.474 \| good	2.176 \| good	15.662 \| good	0.263 \| good
2025-10-23T15:00:00.000Z	44 \| good	7.975 \| good	35.192 \| good	16.036 \| good	2.062 \| good	14.417 \| good	0.27 \| good
2025-10-23T16:00:00.000Z	44 \| good	7.552 \| good	33.059 \| good	25.68 \| good	2.113 \| good	11.534 \| good	0.236 \| 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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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?