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

The current PM10 concentration at Grand Terrace, California is 53.828 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 0.633 ppb.

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

The current ozone (O3) concentration at Grand Terrace, California is 80.629 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 7.301 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 12.692 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)

136

Unhealthy for sensitive groups

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)

12.69 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

53.83 μg/m³

155

255

425

605+

Ozone (O₃)

80.63 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.30 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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
2026-07-21T23:00:00.000Z	61 \| moderate	9.205 \| good	38.109 \| good	58.434 \| fine	0.367 \| good	3.511 \| good	0.135 \| good
2026-07-22T00:00:00.000Z	71 \| moderate	9.169 \| good	38.779 \| good	61.117 \| fine	0.392 \| good	3.568 \| good	0.119 \| good
2026-07-22T01:00:00.000Z	74 \| moderate	8.643 \| good	38.008 \| good	62.255 \| fine	0.47 \| good	4.217 \| good	0.121 \| good
2026-07-22T02:00:00.000Z	49 \| good	9.38 \| good	35.066 \| good	52.172 \| good	0.455 \| good	4.557 \| good	0.119 \| good
2026-07-22T03:00:00.000Z	44 \| good	8.383 \| good	34.258 \| good	44.206 \| good	0.357 \| good	5.048 \| good	0.121 \| good
2026-07-22T04:00:00.000Z	44 \| good	8.331 \| good	33.241 \| good	40.14 \| good	0.369 \| good	5.748 \| good	0.123 \| good
2026-07-22T05:00:00.000Z	44 \| good	7.999 \| good	29.561 \| good	37.579 \| good	0.424 \| good	6.61 \| good	0.14 \| good
2026-07-22T06:00:00.000Z	44 \| good	8.058 \| good	28.015 \| good	32.823 \| good	0.387 \| good	6.933 \| good	0.127 \| good
2026-07-22T07:00:00.000Z	44 \| good	8.013 \| good	27.645 \| good	32.913 \| good	0.387 \| good	6.933 \| good	0.127 \| good
2026-07-22T08:00:00.000Z	49 \| good	8.885 \| good	30.397 \| good	23.433 \| good	0.385 \| good	8.588 \| good	0.219 \| good
2026-07-22T09:00:00.000Z	49 \| good	8.537 \| good	27.285 \| good	18.587 \| good	0.387 \| good	11.157 \| good	0.214 \| good
2026-07-22T10:00:00.000Z	38 \| good	7.398 \| good	24.067 \| good	17.222 \| good	0.368 \| good	12.394 \| good	0.214 \| good
2026-07-22T11:00:00.000Z	38 \| good	6.755 \| good	24.412 \| good	13.529 \| good	0.612 \| good	14.842 \| good	0.212 \| good
2026-07-22T12:00:00.000Z	38 \| good	6.615 \| good	24.543 \| good	12.416 \| good	0.384 \| good	13.852 \| good	0.294 \| good
2026-07-22T13:00:00.000Z	38 \| good	6.691 \| good	24.433 \| good	12.425 \| good	0.384 \| good	13.852 \| good	0.294 \| good
2026-07-22T14:00:00.000Z	44 \| good	8.426 \| good	30.506 \| good	14.822 \| good	0.397 \| good	16.453 \| good	0.332 \| good
2026-07-22T15:00:00.000Z	52 \| moderate	10.346 \| good	39.487 \| good	17.9 \| good	0.544 \| good	14.086 \| good	0.25 \| good
2026-07-22T16:00:00.000Z	52 \| moderate	10.387 \| good	39.872 \| good	19.818 \| good	0.613 \| good	12.43 \| good	0.22 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.817 \| good	34.326 \| good	23.534 \| good	0.511 \| good	8.722 \| good	0.218 \| good
2026-07-22T18:00:00.000Z	44 \| good	8.181 \| good	32.686 \| good	29.939 \| good	0.486 \| good	7.146 \| good	0.218 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.299 \| good	34.34 \| good	37.612 \| good	0.497 \| good	5.587 \| good	0.219 \| good
2026-07-22T20:00:00.000Z	52 \| moderate	9.641 \| good	36.223 \| good	45.83 \| good	0.434 \| good	5.1 \| good	0.219 \| good
2026-07-22T21:00:00.000Z	54 \| moderate	10.607 \| good	37.842 \| good	54.398 \| good	0.423 \| good	4.836 \| good	0.218 \| good
2026-07-22T22:00:00.000Z	64 \| moderate	9.799 \| good	40.383 \| good	59.413 \| fine	0.394 \| good	4.722 \| good	0.217 \| good
2026-07-22T23:00:00.000Z	84 \| moderate	11.291 \| good	40.819 \| good	64.606 \| fine	0.371 \| good	4.964 \| good	0.219 \| good
2026-07-23T00:00:00.000Z	93 \| moderate	12.427 \| fine	40.921 \| good	68.404 \| fine	0.464 \| good	5.226 \| good	0.217 \| good
2026-07-23T01:00:00.000Z	87 \| moderate	12.322 \| fine	40.844 \| good	65.581 \| fine	0.549 \| good	5.331 \| good	0.217 \| good
2026-07-23T02:00:00.000Z	64 \| moderate	10.716 \| good	38.891 \| good	59.338 \| fine	0.563 \| good	4.951 \| good	0.219 \| good
2026-07-23T03:00:00.000Z	58 \| moderate	12.617 \| fine	56.493 \| fine	42.752 \| good	1.042 \| good	3.421 \| good	0.118 \| good
2026-07-23T04:00:00.000Z	52 \| moderate	9.567 \| good	34.465 \| good	48.521 \| good	0.476 \| good	7.248 \| good	0.219 \| good
2026-07-23T05:00:00.000Z	49 \| good	8.596 \| good	33.399 \| good	40.896 \| good	0.528 \| good	8.579 \| good	0.219 \| good
2026-07-23T06:00:00.000Z	38 \| good	7.347 \| good	32.752 \| good	32.486 \| good	0.46 \| good	10.813 \| good	0.221 \| good
2026-07-23T07:00:00.000Z	38 \| good	7.305 \| good	32.866 \| good	32.42 \| good	0.457 \| good	10.813 \| good	0.221 \| good
2026-07-23T08:00:00.000Z	38 \| good	7.459 \| good	31.865 \| good	19.743 \| good	0.391 \| good	9.904 \| good	0.22 \| good
2026-07-23T09:00:00.000Z	44 \| good	7.892 \| good	30.963 \| good	17.348 \| good	0.41 \| good	9.48 \| good	0.216 \| good
2026-07-23T10:00:00.000Z	38 \| good	7.152 \| good	30.784 \| good	15.909 \| good	0.392 \| good	11.191 \| good	0.296 \| good
2026-07-23T11:00:00.000Z	44 \| good	8.31 \| good	30.432 \| good	14.906 \| good	0.669 \| good	11.817 \| good	0.216 \| good
2026-07-23T12:00:00.000Z	49 \| good	9.368 \| good	34.177 \| good	14.806 \| good	0.422 \| good	13.979 \| good	0.233 \| good
2026-07-23T13:00:00.000Z	49 \| good	9.349 \| good	34.076 \| good	13.051 \| good	0.42 \| good	13.979 \| good	0.232 \| good
2026-07-23T14:00:00.000Z	49 \| good	9.229 \| good	38.847 \| good	13.341 \| good	0.442 \| good	14.803 \| good	0.337 \| good
2026-07-23T15:00:00.000Z	56 \| moderate	12.048 \| good	40.848 \| good	16.73 \| good	0.575 \| good	13.088 \| good	0.26 \| good
2026-07-23T16:00:00.000Z	58 \| moderate	12.938 \| fine	40.93 \| good	16.721 \| good	0.565 \| good	14.714 \| good	0.257 \| good
2026-07-23T17:00:00.000Z	56 \| moderate	12.103 \| fine	45.078 \| good	31.218 \| good	0.531 \| good	14.356 \| good	0.238 \| good
2026-07-23T18:00:00.000Z	58 \| moderate	12.908 \| fine	48.679 \| good	40.585 \| good	0.626 \| good	14.426 \| good	0.317 \| good
2026-07-23T19:00:00.000Z	58 \| moderate	13.143 \| fine	51.4 \| good	55.11 \| fine	0.606 \| good	11.422 \| good	0.223 \| good
2026-07-23T20:00:00.000Z	93 \| moderate	14.029 \| fine	55.548 \| fine	68.224 \| fine	0.498 \| good	7.751 \| good	0.221 \| good
2026-07-23T21:00:00.000Z	126 \| sensitive	14.35 \| fine	59.828 \| fine	78.432 \| moderate	0.504 \| good	7.736 \| good	0.219 \| good
2026-07-23T22:00:00.000Z	136 \| sensitive	12.692 \| fine	53.828 \| good	80.629 \| moderate	0.633 \| good	7.301 \| good	0.239 \| good
2026-07-23T23:00:00.000Z	159 \| unhealthy	21.533 \| fine	94.405 \| fine	88.991 \| poor	0.716 \| good	1.525 \| good	0.13 \| good
2026-07-24T00:00:00.000Z	143 \| sensitive	18.571 \| fine	82.267 \| fine	82.567 \| moderate	0.778 \| good	1.687 \| good	0.127 \| good
2026-07-24T01:00:00.000Z	122 \| sensitive	17.897 \| fine	79.569 \| fine	76.964 \| moderate	0.859 \| good	2.104 \| good	0.126 \| good
2026-07-24T02:00:00.000Z	112 \| sensitive	17.221 \| fine	76.12 \| fine	73.706 \| moderate	0.951 \| good	2.947 \| good	0.127 \| good
2026-07-24T03:00:00.000Z	64 \| moderate	16.397 \| fine	72.82 \| fine	56.933 \| fine	1.023 \| good	4.495 \| good	0.131 \| good
2026-07-24T04:00:00.000Z	62 \| moderate	15.311 \| fine	68.314 \| fine	45.94 \| good	1.064 \| good	5.742 \| good	0.136 \| good
2026-07-24T05:00:00.000Z	66 \| moderate	16.894 \| fine	74.684 \| fine	37.951 \| good	1.079 \| good	6.952 \| good	0.141 \| good
2026-07-24T06:00:00.000Z	64 \| moderate	16.485 \| fine	72.684 \| fine	31.511 \| good	1.087 \| good	8.841 \| good	0.15 \| good
2026-07-24T07:00:00.000Z	66 \| moderate	16.658 \| fine	73.855 \| fine	27.787 \| good	1.071 \| good	11.106 \| good	0.162 \| good
2026-07-24T08:00:00.000Z	66 \| moderate	17.028 \| fine	76.317 \| fine	23.26 \| good	1.022 \| good	12.406 \| good	0.172 \| good
2026-07-24T09:00:00.000Z	64 \| moderate	16.106 \| fine	71.29 \| fine	20.323 \| good	0.979 \| good	13.59 \| good	0.181 \| good
2026-07-24T10:00:00.000Z	66 \| moderate	17.056 \| fine	76.291 \| fine	16.765 \| good	0.949 \| good	14.725 \| good	0.191 \| good
2026-07-24T11:00:00.000Z	66 \| moderate	17.099 \| fine	75.86 \| fine	14.217 \| good	0.925 \| good	15.591 \| good	0.2 \| good
2026-07-24T12:00:00.000Z	79 \| moderate	23.891 \| fine	104.83 \| fine	12.769 \| good	0.902 \| good	16.047 \| good	0.206 \| good
2026-07-24T13:00:00.000Z	79 \| moderate	23.726 \| fine	104.26 \| fine	7.763 \| good	0.877 \| good	15.741 \| good	0.211 \| good
2026-07-24T14:00:00.000Z	81 \| moderate	25.394 \| fine	110.465 \| fine	15.053 \| good	0.83 \| good	13.046 \| good	0.216 \| good
2026-07-24T15:00:00.000Z	81 \| moderate	24.985 \| fine	109.535 \| fine	25.009 \| good	0.876 \| good	7.604 \| good	0.171 \| good
2026-07-24T16:00:00.000Z	71 \| moderate	20 \| fine	87.883 \| fine	38.647 \| good	0.817 \| good	5.021 \| good	0.152 \| good
2026-07-24T17:00:00.000Z	73 \| moderate	21.471 \| fine	93.876 \| fine	58.637 \| fine	0.779 \| good	3.632 \| good	0.143 \| good
2026-07-24T18:00:00.000Z	140 \| sensitive	23.949 \| fine	104.372 \| fine	81.627 \| moderate	0.741 \| good	2.635 \| good	0.138 \| good
2026-07-24T19:00:00.000Z	177 \| unhealthy	25.087 \| fine	109.367 \| fine	96.38 \| poor	0.694 \| good	1.855 \| good	0.133 \| good
2026-07-24T20:00:00.000Z	195 \| unhealthy	24.685 \| fine	107.552 \| fine	102.895 \| poor	0.642 \| good	1.38 \| good	0.127 \| good
2026-07-24T21:00:00.000Z	166 \| unhealthy	18.511 \| fine	82.055 \| fine	92.05 \| poor	0.606 \| good	1.197 \| good	0.123 \| good
2026-07-24T22:00:00.000Z	136 \| sensitive	15.516 \| fine	69.259 \| fine	81.452 \| moderate	0.581 \| good	1.152 \| good	0.118 \| good
2026-07-24T23:00:00.000Z	112 \| sensitive	12.466 \| fine	56.225 \| fine	73.651 \| moderate	0.582 \| good	1.202 \| good	0.115 \| good
2026-07-25T00:00:00.000Z	90 \| moderate	11.635 \| good	51.832 \| good	66.9 \| fine	0.555 \| good	1.295 \| good	0.11 \| good
2026-07-25T01:00:00.000Z	67 \| moderate	11.05 \| good	48.826 \| good	60.185 \| fine	0.568 \| good	1.547 \| good	0.108 \| good
2026-07-25T02:00:00.000Z	52 \| moderate	10.027 \| good	44.491 \| good	51.311 \| good	0.601 \| good	2.116 \| good	0.108 \| good
2026-07-25T03:00:00.000Z	56 \| moderate	12.062 \| good	53.947 \| good	42.692 \| good	0.655 \| good	3.267 \| good	0.111 \| good
2026-07-25T04:00:00.000Z	58 \| moderate	13.097 \| fine	58.687 \| fine	33.669 \| good	0.707 \| good	4.475 \| good	0.116 \| good
2026-07-25T05:00:00.000Z	62 \| moderate	14.747 \| fine	66.084 \| fine	28.516 \| good	0.74 \| good	5.914 \| good	0.122 \| good
2026-07-25T06:00:00.000Z	62 \| moderate	15.336 \| fine	68.317 \| fine	23.993 \| good	0.775 \| good	8.04 \| good	0.133 \| good
2026-07-25T07:00:00.000Z	64 \| moderate	15.718 \| fine	69.826 \| fine	23.284 \| good	0.778 \| good	9.348 \| good	0.14 \| good
2026-07-25T08:00:00.000Z	67 \| moderate	17.592 \| fine	77.6 \| fine	21.344 \| good	0.768 \| good	10.986 \| good	0.15 \| good
2026-07-25T09:00:00.000Z	64 \| moderate	16.146 \| fine	71.321 \| fine	17.733 \| good	0.762 \| good	12.337 \| good	0.158 \| good
2026-07-25T10:00:00.000Z	66 \| moderate	16.857 \| fine	74.825 \| fine	13.417 \| good	0.771 \| good	13.298 \| good	0.164 \| good
2026-07-25T11:00:00.000Z	64 \| moderate	15.614 \| fine	69.139 \| fine	10.449 \| good	0.772 \| good	14.048 \| good	0.169 \| good
2026-07-25T12:00:00.000Z	69 \| moderate	18.913 \| fine	83.569 \| fine	8.94 \| good	0.753 \| good	14.755 \| good	0.174 \| good
2026-07-25T13:00:00.000Z	67 \| moderate	17.842 \| fine	78.913 \| fine	8.56 \| good	0.718 \| good	14.915 \| good	0.178 \| good
2026-07-25T14:00:00.000Z	73 \| moderate	20.9 \| fine	92.194 \| fine	12.923 \| good	0.669 \| good	12.494 \| good	0.183 \| good
2026-07-25T15:00:00.000Z	69 \| moderate	19.429 \| fine	85.53 \| fine	21.465 \| good	0.704 \| good	7.412 \| good	0.153 \| good
2026-07-25T16:00:00.000Z	66 \| moderate	17.133 \| fine	75.921 \| fine	34.593 \| good	0.694 \| good	5.073 \| good	0.136 \| good
2026-07-25T17:00:00.000Z	62 \| moderate	15.167 \| fine	67.86 \| fine	48.259 \| good	0.676 \| good	3.808 \| good	0.128 \| good
2026-07-25T18:00:00.000Z	58 \| moderate	13.342 \| fine	60.02 \| fine	56.479 \| fine	0.624 \| good	2.727 \| good	0.121 \| good
2026-07-25T19:00:00.000Z	84 \| moderate	10.144 \| good	45.173 \| good	64.672 \| fine	0.573 \| good	1.89 \| good	0.118 \| good
2026-07-25T20:00:00.000Z	100 \| moderate	10.783 \| good	47.689 \| good	69.601 \| fine	0.518 \| good	1.386 \| good	0.114 \| good
2026-07-25T21:00:00.000Z	100 \| moderate	10.196 \| good	45.201 \| good	70.417 \| fine	0.485 \| good	1.18 \| good	0.112 \| good
2026-07-25T22:00:00.000Z	100 \| moderate	12.052 \| good	53.859 \| good	70.236 \| fine	0.481 \| good	1.118 \| good	0.11 \| good

Grand Terrace

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

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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 09:00:00 on 2026-07-23.

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 10:00:00 on 2026-07-23.

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

The current air quality in Grand Terrace, California is 136, categorized as Unhealthy for Sensitive Groups 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 12.692 μg/m³.

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

The current PM₁₀ concentration at Grand Terrace, California is 53.828 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 0.239 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 0.633 ppb.

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

The current ozone (O₃) concentration at Grand Terrace, California is 80.629 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 7.301 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T23:00:00.000Z	61 \| moderate	9.205 \| good	38.109 \| good	58.434 \| fine	0.367 \| good	3.511 \| good	0.135 \| good
2026-07-22T00:00:00.000Z	71 \| moderate	9.169 \| good	38.779 \| good	61.117 \| fine	0.392 \| good	3.568 \| good	0.119 \| good
2026-07-22T01:00:00.000Z	74 \| moderate	8.643 \| good	38.008 \| good	62.255 \| fine	0.47 \| good	4.217 \| good	0.121 \| good
2026-07-22T02:00:00.000Z	49 \| good	9.38 \| good	35.066 \| good	52.172 \| good	0.455 \| good	4.557 \| good	0.119 \| good
2026-07-22T03:00:00.000Z	44 \| good	8.383 \| good	34.258 \| good	44.206 \| good	0.357 \| good	5.048 \| good	0.121 \| good
2026-07-22T04:00:00.000Z	44 \| good	8.331 \| good	33.241 \| good	40.14 \| good	0.369 \| good	5.748 \| good	0.123 \| good
2026-07-22T05:00:00.000Z	44 \| good	7.999 \| good	29.561 \| good	37.579 \| good	0.424 \| good	6.61 \| good	0.14 \| good
2026-07-22T06:00:00.000Z	44 \| good	8.058 \| good	28.015 \| good	32.823 \| good	0.387 \| good	6.933 \| good	0.127 \| good
2026-07-22T07:00:00.000Z	44 \| good	8.013 \| good	27.645 \| good	32.913 \| good	0.387 \| good	6.933 \| good	0.127 \| good
2026-07-22T08:00:00.000Z	49 \| good	8.885 \| good	30.397 \| good	23.433 \| good	0.385 \| good	8.588 \| good	0.219 \| good
2026-07-22T09:00:00.000Z	49 \| good	8.537 \| good	27.285 \| good	18.587 \| good	0.387 \| good	11.157 \| good	0.214 \| good
2026-07-22T10:00:00.000Z	38 \| good	7.398 \| good	24.067 \| good	17.222 \| good	0.368 \| good	12.394 \| good	0.214 \| good
2026-07-22T11:00:00.000Z	38 \| good	6.755 \| good	24.412 \| good	13.529 \| good	0.612 \| good	14.842 \| good	0.212 \| good
2026-07-22T12:00:00.000Z	38 \| good	6.615 \| good	24.543 \| good	12.416 \| good	0.384 \| good	13.852 \| good	0.294 \| good
2026-07-22T13:00:00.000Z	38 \| good	6.691 \| good	24.433 \| good	12.425 \| good	0.384 \| good	13.852 \| good	0.294 \| good
2026-07-22T14:00:00.000Z	44 \| good	8.426 \| good	30.506 \| good	14.822 \| good	0.397 \| good	16.453 \| good	0.332 \| good
2026-07-22T15:00:00.000Z	52 \| moderate	10.346 \| good	39.487 \| good	17.9 \| good	0.544 \| good	14.086 \| good	0.25 \| good
2026-07-22T16:00:00.000Z	52 \| moderate	10.387 \| good	39.872 \| good	19.818 \| good	0.613 \| good	12.43 \| good	0.22 \| good
2026-07-22T17:00:00.000Z	49 \| good	8.817 \| good	34.326 \| good	23.534 \| good	0.511 \| good	8.722 \| good	0.218 \| good
2026-07-22T18:00:00.000Z	44 \| good	8.181 \| good	32.686 \| good	29.939 \| good	0.486 \| good	7.146 \| good	0.218 \| good
2026-07-22T19:00:00.000Z	49 \| good	9.299 \| good	34.34 \| good	37.612 \| good	0.497 \| good	5.587 \| good	0.219 \| good
2026-07-22T20:00:00.000Z	52 \| moderate	9.641 \| good	36.223 \| good	45.83 \| good	0.434 \| good	5.1 \| good	0.219 \| good
2026-07-22T21:00:00.000Z	54 \| moderate	10.607 \| good	37.842 \| good	54.398 \| good	0.423 \| good	4.836 \| good	0.218 \| good
2026-07-22T22:00:00.000Z	64 \| moderate	9.799 \| good	40.383 \| good	59.413 \| fine	0.394 \| good	4.722 \| good	0.217 \| good
2026-07-22T23:00:00.000Z	84 \| moderate	11.291 \| good	40.819 \| good	64.606 \| fine	0.371 \| good	4.964 \| good	0.219 \| good
2026-07-23T00:00:00.000Z	93 \| moderate	12.427 \| fine	40.921 \| good	68.404 \| fine	0.464 \| good	5.226 \| good	0.217 \| good
2026-07-23T01:00:00.000Z	87 \| moderate	12.322 \| fine	40.844 \| good	65.581 \| fine	0.549 \| good	5.331 \| good	0.217 \| good
2026-07-23T02:00:00.000Z	64 \| moderate	10.716 \| good	38.891 \| good	59.338 \| fine	0.563 \| good	4.951 \| good	0.219 \| good
2026-07-23T03:00:00.000Z	58 \| moderate	12.617 \| fine	56.493 \| fine	42.752 \| good	1.042 \| good	3.421 \| good	0.118 \| good
2026-07-23T04:00:00.000Z	52 \| moderate	9.567 \| good	34.465 \| good	48.521 \| good	0.476 \| good	7.248 \| good	0.219 \| good
2026-07-23T05:00:00.000Z	49 \| good	8.596 \| good	33.399 \| good	40.896 \| good	0.528 \| good	8.579 \| good	0.219 \| good
2026-07-23T06:00:00.000Z	38 \| good	7.347 \| good	32.752 \| good	32.486 \| good	0.46 \| good	10.813 \| good	0.221 \| good
2026-07-23T07:00:00.000Z	38 \| good	7.305 \| good	32.866 \| good	32.42 \| good	0.457 \| good	10.813 \| good	0.221 \| good
2026-07-23T08:00:00.000Z	38 \| good	7.459 \| good	31.865 \| good	19.743 \| good	0.391 \| good	9.904 \| good	0.22 \| good
2026-07-23T09:00:00.000Z	44 \| good	7.892 \| good	30.963 \| good	17.348 \| good	0.41 \| good	9.48 \| good	0.216 \| good
2026-07-23T10:00:00.000Z	38 \| good	7.152 \| good	30.784 \| good	15.909 \| good	0.392 \| good	11.191 \| good	0.296 \| good
2026-07-23T11:00:00.000Z	44 \| good	8.31 \| good	30.432 \| good	14.906 \| good	0.669 \| good	11.817 \| good	0.216 \| good
2026-07-23T12:00:00.000Z	49 \| good	9.368 \| good	34.177 \| good	14.806 \| good	0.422 \| good	13.979 \| good	0.233 \| good
2026-07-23T13:00:00.000Z	49 \| good	9.349 \| good	34.076 \| good	13.051 \| good	0.42 \| good	13.979 \| good	0.232 \| good
2026-07-23T14:00:00.000Z	49 \| good	9.229 \| good	38.847 \| good	13.341 \| good	0.442 \| good	14.803 \| good	0.337 \| good
2026-07-23T15:00:00.000Z	56 \| moderate	12.048 \| good	40.848 \| good	16.73 \| good	0.575 \| good	13.088 \| good	0.26 \| good
2026-07-23T16:00:00.000Z	58 \| moderate	12.938 \| fine	40.93 \| good	16.721 \| good	0.565 \| good	14.714 \| good	0.257 \| good
2026-07-23T17:00:00.000Z	56 \| moderate	12.103 \| fine	45.078 \| good	31.218 \| good	0.531 \| good	14.356 \| good	0.238 \| good
2026-07-23T18:00:00.000Z	58 \| moderate	12.908 \| fine	48.679 \| good	40.585 \| good	0.626 \| good	14.426 \| good	0.317 \| good
2026-07-23T19:00:00.000Z	58 \| moderate	13.143 \| fine	51.4 \| good	55.11 \| fine	0.606 \| good	11.422 \| good	0.223 \| good
2026-07-23T20:00:00.000Z	93 \| moderate	14.029 \| fine	55.548 \| fine	68.224 \| fine	0.498 \| good	7.751 \| good	0.221 \| good
2026-07-23T21:00:00.000Z	126 \| sensitive	14.35 \| fine	59.828 \| fine	78.432 \| moderate	0.504 \| good	7.736 \| good	0.219 \| good
2026-07-23T22:00:00.000Z	136 \| sensitive	12.692 \| fine	53.828 \| good	80.629 \| moderate	0.633 \| good	7.301 \| good	0.239 \| good
2026-07-23T23:00:00.000Z	159 \| unhealthy	21.533 \| fine	94.405 \| fine	88.991 \| poor	0.716 \| good	1.525 \| good	0.13 \| good
2026-07-24T00:00:00.000Z	143 \| sensitive	18.571 \| fine	82.267 \| fine	82.567 \| moderate	0.778 \| good	1.687 \| good	0.127 \| good
2026-07-24T01:00:00.000Z	122 \| sensitive	17.897 \| fine	79.569 \| fine	76.964 \| moderate	0.859 \| good	2.104 \| good	0.126 \| good
2026-07-24T02:00:00.000Z	112 \| sensitive	17.221 \| fine	76.12 \| fine	73.706 \| moderate	0.951 \| good	2.947 \| good	0.127 \| good
2026-07-24T03:00:00.000Z	64 \| moderate	16.397 \| fine	72.82 \| fine	56.933 \| fine	1.023 \| good	4.495 \| good	0.131 \| good
2026-07-24T04:00:00.000Z	62 \| moderate	15.311 \| fine	68.314 \| fine	45.94 \| good	1.064 \| good	5.742 \| good	0.136 \| good
2026-07-24T05:00:00.000Z	66 \| moderate	16.894 \| fine	74.684 \| fine	37.951 \| good	1.079 \| good	6.952 \| good	0.141 \| good
2026-07-24T06:00:00.000Z	64 \| moderate	16.485 \| fine	72.684 \| fine	31.511 \| good	1.087 \| good	8.841 \| good	0.15 \| good
2026-07-24T07:00:00.000Z	66 \| moderate	16.658 \| fine	73.855 \| fine	27.787 \| good	1.071 \| good	11.106 \| good	0.162 \| good
2026-07-24T08:00:00.000Z	66 \| moderate	17.028 \| fine	76.317 \| fine	23.26 \| good	1.022 \| good	12.406 \| good	0.172 \| good
2026-07-24T09:00:00.000Z	64 \| moderate	16.106 \| fine	71.29 \| fine	20.323 \| good	0.979 \| good	13.59 \| good	0.181 \| good
2026-07-24T10:00:00.000Z	66 \| moderate	17.056 \| fine	76.291 \| fine	16.765 \| good	0.949 \| good	14.725 \| good	0.191 \| good
2026-07-24T11:00:00.000Z	66 \| moderate	17.099 \| fine	75.86 \| fine	14.217 \| good	0.925 \| good	15.591 \| good	0.2 \| good
2026-07-24T12:00:00.000Z	79 \| moderate	23.891 \| fine	104.83 \| fine	12.769 \| good	0.902 \| good	16.047 \| good	0.206 \| good
2026-07-24T13:00:00.000Z	79 \| moderate	23.726 \| fine	104.26 \| fine	7.763 \| good	0.877 \| good	15.741 \| good	0.211 \| good
2026-07-24T14:00:00.000Z	81 \| moderate	25.394 \| fine	110.465 \| fine	15.053 \| good	0.83 \| good	13.046 \| good	0.216 \| good
2026-07-24T15:00:00.000Z	81 \| moderate	24.985 \| fine	109.535 \| fine	25.009 \| good	0.876 \| good	7.604 \| good	0.171 \| good
2026-07-24T16:00:00.000Z	71 \| moderate	20 \| fine	87.883 \| fine	38.647 \| good	0.817 \| good	5.021 \| good	0.152 \| good
2026-07-24T17:00:00.000Z	73 \| moderate	21.471 \| fine	93.876 \| fine	58.637 \| fine	0.779 \| good	3.632 \| good	0.143 \| good
2026-07-24T18:00:00.000Z	140 \| sensitive	23.949 \| fine	104.372 \| fine	81.627 \| moderate	0.741 \| good	2.635 \| good	0.138 \| good
2026-07-24T19:00:00.000Z	177 \| unhealthy	25.087 \| fine	109.367 \| fine	96.38 \| poor	0.694 \| good	1.855 \| good	0.133 \| good
2026-07-24T20:00:00.000Z	195 \| unhealthy	24.685 \| fine	107.552 \| fine	102.895 \| poor	0.642 \| good	1.38 \| good	0.127 \| good
2026-07-24T21:00:00.000Z	166 \| unhealthy	18.511 \| fine	82.055 \| fine	92.05 \| poor	0.606 \| good	1.197 \| good	0.123 \| good
2026-07-24T22:00:00.000Z	136 \| sensitive	15.516 \| fine	69.259 \| fine	81.452 \| moderate	0.581 \| good	1.152 \| good	0.118 \| good
2026-07-24T23:00:00.000Z	112 \| sensitive	12.466 \| fine	56.225 \| fine	73.651 \| moderate	0.582 \| good	1.202 \| good	0.115 \| good
2026-07-25T00:00:00.000Z	90 \| moderate	11.635 \| good	51.832 \| good	66.9 \| fine	0.555 \| good	1.295 \| good	0.11 \| good
2026-07-25T01:00:00.000Z	67 \| moderate	11.05 \| good	48.826 \| good	60.185 \| fine	0.568 \| good	1.547 \| good	0.108 \| good
2026-07-25T02:00:00.000Z	52 \| moderate	10.027 \| good	44.491 \| good	51.311 \| good	0.601 \| good	2.116 \| good	0.108 \| good
2026-07-25T03:00:00.000Z	56 \| moderate	12.062 \| good	53.947 \| good	42.692 \| good	0.655 \| good	3.267 \| good	0.111 \| good
2026-07-25T04:00:00.000Z	58 \| moderate	13.097 \| fine	58.687 \| fine	33.669 \| good	0.707 \| good	4.475 \| good	0.116 \| good
2026-07-25T05:00:00.000Z	62 \| moderate	14.747 \| fine	66.084 \| fine	28.516 \| good	0.74 \| good	5.914 \| good	0.122 \| good
2026-07-25T06:00:00.000Z	62 \| moderate	15.336 \| fine	68.317 \| fine	23.993 \| good	0.775 \| good	8.04 \| good	0.133 \| good
2026-07-25T07:00:00.000Z	64 \| moderate	15.718 \| fine	69.826 \| fine	23.284 \| good	0.778 \| good	9.348 \| good	0.14 \| good
2026-07-25T08:00:00.000Z	67 \| moderate	17.592 \| fine	77.6 \| fine	21.344 \| good	0.768 \| good	10.986 \| good	0.15 \| good
2026-07-25T09:00:00.000Z	64 \| moderate	16.146 \| fine	71.321 \| fine	17.733 \| good	0.762 \| good	12.337 \| good	0.158 \| good
2026-07-25T10:00:00.000Z	66 \| moderate	16.857 \| fine	74.825 \| fine	13.417 \| good	0.771 \| good	13.298 \| good	0.164 \| good
2026-07-25T11:00:00.000Z	64 \| moderate	15.614 \| fine	69.139 \| fine	10.449 \| good	0.772 \| good	14.048 \| good	0.169 \| good
2026-07-25T12:00:00.000Z	69 \| moderate	18.913 \| fine	83.569 \| fine	8.94 \| good	0.753 \| good	14.755 \| good	0.174 \| good
2026-07-25T13:00:00.000Z	67 \| moderate	17.842 \| fine	78.913 \| fine	8.56 \| good	0.718 \| good	14.915 \| good	0.178 \| good
2026-07-25T14:00:00.000Z	73 \| moderate	20.9 \| fine	92.194 \| fine	12.923 \| good	0.669 \| good	12.494 \| good	0.183 \| good
2026-07-25T15:00:00.000Z	69 \| moderate	19.429 \| fine	85.53 \| fine	21.465 \| good	0.704 \| good	7.412 \| good	0.153 \| good
2026-07-25T16:00:00.000Z	66 \| moderate	17.133 \| fine	75.921 \| fine	34.593 \| good	0.694 \| good	5.073 \| good	0.136 \| good
2026-07-25T17:00:00.000Z	62 \| moderate	15.167 \| fine	67.86 \| fine	48.259 \| good	0.676 \| good	3.808 \| good	0.128 \| good
2026-07-25T18:00:00.000Z	58 \| moderate	13.342 \| fine	60.02 \| fine	56.479 \| fine	0.624 \| good	2.727 \| good	0.121 \| good
2026-07-25T19:00:00.000Z	84 \| moderate	10.144 \| good	45.173 \| good	64.672 \| fine	0.573 \| good	1.89 \| good	0.118 \| good
2026-07-25T20:00:00.000Z	100 \| moderate	10.783 \| good	47.689 \| good	69.601 \| fine	0.518 \| good	1.386 \| good	0.114 \| good
2026-07-25T21:00:00.000Z	100 \| moderate	10.196 \| good	45.201 \| good	70.417 \| fine	0.485 \| good	1.18 \| good	0.112 \| good
2026-07-25T22:00:00.000Z	100 \| moderate	12.052 \| good	53.859 \| good	70.236 \| fine	0.481 \| good	1.118 \| good	0.11 \| 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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Grand Terrace, California air quality map: Track AQI near you

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?

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

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?

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

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

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?

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

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

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