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

The current PM10 concentration at Grand Terrace, California is 16.742 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 0.946 ppb.

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

The current ozone (O3) concentration at Grand Terrace, California is 5.057 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 10.736 ppb.

Grand Terrace, California live air quality index now

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

The current PM2.5 concentration at Grand Terrace, California is 7.286 μg/m3.

Stay updated with real-time air quality in Grand Terrace, California featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

Grand Terrace, California

Last updated: ... (Local time)

Major air pollutants in Grand Terrace, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.29 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.74 μg/m³

155

255

425

605+

Ozone (O₃)

5.06 ppb

201

201+

Sulfur Dioxide (SO₂)

0.95 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.74 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.39 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
2026-09-05T12:00:00.000Z	56 \| moderate	11.557 \| good	27.259 \| good	8.741 \| good	0.376 \| good	18.892 \| good	0.484 \| good
2026-09-05T13:00:00.000Z	56 \| moderate	11.586 \| good	27.463 \| good	8.741 \| good	0.376 \| good	18.962 \| good	0.484 \| good
2026-09-05T14:00:00.000Z	56 \| moderate	12.253 \| fine	34.081 \| good	8.483 \| good	0.553 \| good	17.501 \| good	0.589 \| good
2026-09-05T15:00:00.000Z	58 \| moderate	13.042 \| fine	47.057 \| good	10.925 \| good	0.848 \| good	23.363 \| good	0.587 \| good
2026-09-05T16:00:00.000Z	60 \| moderate	13.673 \| fine	47.17 \| good	17.887 \| good	0.736 \| good	24.445 \| good	0.408 \| good
2026-09-05T17:00:00.000Z	56 \| moderate	12.064 \| good	37.11 \| good	26.898 \| good	0.558 \| good	17.916 \| good	0.311 \| good
2026-09-05T18:00:00.000Z	49 \| good	8.996 \| good	29.262 \| good	41.602 \| good	0.463 \| good	7.367 \| good	0.225 \| good
2026-09-05T19:00:00.000Z	45 \| good	8.136 \| good	21.041 \| good	49.483 \| good	0.449 \| good	4.087 \| good	0.219 \| good
2026-09-05T20:00:00.000Z	50 \| good	6.883 \| good	20.957 \| good	54.405 \| good	0.448 \| good	2.723 \| good	0.127 \| good
2026-09-05T21:00:00.000Z	54 \| moderate	5.72 \| good	19.27 \| good	55.594 \| fine	0.46 \| good	1.989 \| good	0.131 \| good
2026-09-05T22:00:00.000Z	49 \| good	5.327 \| good	17.677 \| good	53.378 \| good	0.363 \| good	1.702 \| good	0.127 \| good
2026-09-05T23:00:00.000Z	64 \| moderate	5.939 \| good	17.776 \| good	59.327 \| fine	0.468 \| good	1.852 \| good	0.129 \| good
2026-09-06T00:00:00.000Z	77 \| moderate	6.656 \| good	19.271 \| good	62.535 \| fine	0.472 \| good	2.32 \| good	0.215 \| good
2026-09-06T01:00:00.000Z	64 \| moderate	6.734 \| good	21.327 \| good	58.745 \| fine	0.458 \| good	2.691 \| good	0.22 \| good
2026-09-06T02:00:00.000Z	50 \| good	6.602 \| good	28.068 \| good	53.709 \| good	0.47 \| good	3.503 \| good	0.224 \| good
2026-09-06T03:00:00.000Z	44 \| good	8.254 \| good	36.099 \| good	35.323 \| good	0.398 \| good	2.999 \| good	0.113 \| good
2026-09-06T04:00:00.000Z	33 \| good	5.171 \| good	30.176 \| good	36.447 \| good	0.377 \| good	3.919 \| good	0.145 \| good
2026-09-06T05:00:00.000Z	33 \| good	6.304 \| good	28.936 \| good	30.011 \| good	0.525 \| good	6.662 \| good	0.241 \| good
2026-09-06T06:00:00.000Z	49 \| good	8.633 \| good	28.462 \| good	25.533 \| good	0.47 \| good	8.732 \| good	0.244 \| good
2026-09-06T07:00:00.000Z	49 \| good	8.646 \| good	28.26 \| good	25.533 \| good	0.467 \| good	8.815 \| good	0.245 \| good
2026-09-06T08:00:00.000Z	49 \| good	8.692 \| good	30.628 \| good	23.34 \| good	0.477 \| good	9.405 \| good	0.337 \| good
2026-09-06T09:00:00.000Z	49 \| good	8.7 \| good	36.286 \| good	16.179 \| good	0.497 \| good	13.432 \| good	0.41 \| good
2026-09-06T10:00:00.000Z	49 \| good	8.803 \| good	35.537 \| good	16.06 \| good	0.497 \| good	13.433 \| good	0.41 \| good
2026-09-06T11:00:00.000Z	49 \| good	8.686 \| good	35.291 \| good	16.06 \| good	0.497 \| good	13.413 \| good	0.41 \| good
2026-09-06T12:00:00.000Z	49 \| good	9.293 \| good	30.654 \| good	10.839 \| good	0.457 \| good	15.757 \| good	0.321 \| good
2026-09-06T13:00:00.000Z	49 \| good	9.354 \| good	30.972 \| good	10.839 \| good	0.458 \| good	15.756 \| good	0.321 \| good
2026-09-06T14:00:00.000Z	49 \| good	9.427 \| good	36.779 \| good	13.203 \| good	0.47 \| good	20.137 \| good	0.318 \| good
2026-09-06T15:00:00.000Z	49 \| good	9.453 \| good	37.562 \| good	13.203 \| good	0.471 \| good	20.183 \| good	0.309 \| good
2026-09-06T16:00:00.000Z	49 \| good	8.927 \| good	31.776 \| good	13.203 \| good	0.524 \| good	17.201 \| good	0.307 \| good
2026-09-06T17:00:00.000Z	52 \| moderate	9.971 \| good	29.022 \| good	15.92 \| good	0.473 \| good	18.744 \| good	0.314 \| good
2026-09-06T18:00:00.000Z	52 \| moderate	9.874 \| good	23.736 \| good	17.667 \| good	0.457 \| good	16.269 \| good	0.313 \| good
2026-09-06T19:00:00.000Z	52 \| moderate	9.694 \| good	21.39 \| good	15.807 \| good	0.374 \| good	17.551 \| good	0.302 \| good
2026-09-06T20:00:00.000Z	49 \| good	9.317 \| good	18.198 \| good	20.609 \| good	0.374 \| good	13.141 \| good	0.303 \| good
2026-09-06T21:00:00.000Z	49 \| good	8.711 \| good	16.971 \| good	21.607 \| good	0.375 \| good	9.726 \| good	0.208 \| good
2026-09-06T22:00:00.000Z	44 \| good	8.27 \| good	15.465 \| good	20.064 \| good	0.374 \| good	10.711 \| good	0.208 \| good
2026-09-06T23:00:00.000Z	49 \| good	8.629 \| good	15.207 \| good	20.947 \| good	0.389 \| good	9.959 \| good	0.213 \| good
2026-09-07T00:00:00.000Z	49 \| good	8.735 \| good	15.398 \| good	19.757 \| good	0.471 \| good	10.08 \| good	0.214 \| good
2026-09-07T01:00:00.000Z	52 \| moderate	9.518 \| good	17.36 \| good	14.76 \| good	0.471 \| good	14.352 \| good	0.306 \| good
2026-09-07T02:00:00.000Z	52 \| moderate	9.812 \| good	19.46 \| good	10.295 \| good	0.454 \| good	16.329 \| good	0.307 \| good
2026-09-07T03:00:00.000Z	33 \| good	6.225 \| good	27.259 \| good	26.253 \| good	0.246 \| good	11.39 \| good	0.151 \| good
2026-09-07T04:00:00.000Z	58 \| moderate	12.755 \| fine	20.04 \| good	6.485 \| good	0.456 \| good	19.109 \| good	0.41 \| good
2026-09-07T05:00:00.000Z	60 \| moderate	13.506 \| fine	19.048 \| good	6.144 \| good	0.534 \| good	18.671 \| good	0.423 \| good
2026-09-07T06:00:00.000Z	60 \| moderate	13.915 \| fine	18.442 \| good	6.418 \| good	0.649 \| good	19.601 \| good	0.513 \| good
2026-09-07T07:00:00.000Z	60 \| moderate	13.884 \| fine	18.311 \| good	6.505 \| good	0.648 \| good	19.589 \| good	0.511 \| good
2026-09-07T08:00:00.000Z	52 \| moderate	10.293 \| good	16.456 \| good	6.674 \| good	0.718 \| good	15.841 \| good	0.502 \| good
2026-09-07T09:00:00.000Z	58 \| moderate	12.711 \| fine	20.33 \| good	5.607 \| good	0.735 \| good	14.961 \| good	0.497 \| good
2026-09-07T10:00:00.000Z	56 \| moderate	12.289 \| fine	18.302 \| good	6.727 \| good	0.624 \| good	14.4 \| good	0.399 \| good
2026-09-07T11:00:00.000Z	54 \| moderate	11.041 \| good	16.986 \| good	7.015 \| good	0.985 \| good	14.103 \| good	0.398 \| good
2026-09-07T11:00:00.000Z	38 \| good	7.286 \| good	16.742 \| good	5.057 \| good	0.946 \| good	10.736 \| good	0.393 \| good
2026-09-07T12:00:00.000Z	56 \| moderate	12.256 \| fine	54.602 \| good	2.079 \| good	0.219 \| good	12.482 \| good	0.173 \| good
2026-09-07T13:00:00.000Z	58 \| moderate	13.262 \| fine	59.302 \| fine	1.853 \| good	0.223 \| good	12.178 \| good	0.17 \| good
2026-09-07T14:00:00.000Z	60 \| moderate	14.237 \| fine	63.581 \| fine	3.237 \| good	0.249 \| good	10.699 \| good	0.173 \| good
2026-09-07T15:00:00.000Z	60 \| moderate	14.368 \| fine	64.485 \| fine	10.062 \| good	0.302 \| good	8.973 \| good	0.184 \| good
2026-09-07T16:00:00.000Z	54 \| moderate	10.927 \| good	48.444 \| good	20.593 \| good	0.317 \| good	4.571 \| good	0.131 \| good
2026-09-07T17:00:00.000Z	49 \| good	8.528 \| good	37.669 \| good	33.579 \| good	0.253 \| good	2.37 \| good	0.11 \| good
2026-09-07T18:00:00.000Z	39 \| good	7.331 \| good	32.466 \| good	42.441 \| good	0.224 \| good	1.452 \| good	0.102 \| good
2026-09-07T19:00:00.000Z	45 \| good	7.449 \| good	32.89 \| good	49.21 \| good	0.222 \| good	1.108 \| good	0.1 \| good
2026-09-07T20:00:00.000Z	54 \| moderate	6.399 \| good	28.482 \| good	56.121 \| fine	0.239 \| good	0.998 \| good	0.1 \| good
2026-09-07T21:00:00.000Z	64 \| moderate	5.825 \| good	25.676 \| good	58.987 \| fine	0.273 \| good	0.962 \| good	0.1 \| good
2026-09-07T22:00:00.000Z	74 \| moderate	7.664 \| good	33.648 \| good	61.901 \| fine	0.318 \| good	1.021 \| good	0.101 \| good
2026-09-07T23:00:00.000Z	93 \| moderate	8.388 \| good	36.881 \| good	68.494 \| fine	0.397 \| good	1.135 \| good	0.103 \| good
2026-09-08T00:00:00.000Z	105 \| sensitive	11.728 \| good	52.131 \| good	71.729 \| moderate	0.487 \| good	1.447 \| good	0.106 \| good
2026-09-08T01:00:00.000Z	74 \| moderate	10.06 \| good	44.685 \| good	62.201 \| fine	0.596 \| good	2.221 \| good	0.11 \| good
2026-09-08T02:00:00.000Z	52 \| moderate	10.005 \| good	44.408 \| good	45.282 \| good	0.728 \| good	4.461 \| good	0.122 \| good
2026-09-08T03:00:00.000Z	52 \| moderate	10.196 \| good	45.271 \| good	31.55 \| good	0.866 \| good	8.636 \| good	0.143 \| good
2026-09-08T04:00:00.000Z	49 \| good	9.191 \| good	40.862 \| good	22.071 \| good	0.991 \| good	11.977 \| good	0.16 \| good
2026-09-08T05:00:00.000Z	52 \| moderate	9.605 \| good	42.864 \| good	15.559 \| good	1.081 \| good	14.967 \| good	0.174 \| good
2026-09-08T06:00:00.000Z	49 \| good	8.928 \| good	39.42 \| good	10.785 \| good	1.123 \| good	17.459 \| good	0.186 \| good
2026-09-08T07:00:00.000Z	44 \| good	7.806 \| good	34.313 \| good	7.831 \| good	1.104 \| good	19.608 \| good	0.198 \| good
2026-09-08T08:00:00.000Z	49 \| good	8.857 \| good	38.927 \| good	5.587 \| good	1.031 \| good	20.257 \| good	0.203 \| good
2026-09-08T09:00:00.000Z	49 \| good	9.362 \| good	41.8 \| good	5.276 \| good	0.936 \| good	19.753 \| good	0.202 \| good
2026-09-08T10:00:00.000Z	54 \| moderate	10.817 \| good	47.944 \| good	4.721 \| good	0.843 \| good	18.546 \| good	0.198 \| good
2026-09-08T11:00:00.000Z	54 \| moderate	10.995 \| good	48.631 \| good	3.778 \| good	0.771 \| good	17.222 \| good	0.192 \| good
2026-09-08T12:00:00.000Z	54 \| moderate	11.439 \| good	50.532 \| good	2.337 \| good	0.702 \| good	16.141 \| good	0.187 \| good
2026-09-08T13:00:00.000Z	58 \| moderate	13.05 \| fine	58.529 \| fine	1.594 \| good	0.638 \| good	15.466 \| good	0.184 \| good
2026-09-08T14:00:00.000Z	60 \| moderate	14.372 \| fine	64.09 \| fine	2.535 \| good	0.593 \| good	13.243 \| good	0.187 \| good
2026-09-08T15:00:00.000Z	60 \| moderate	14.237 \| fine	63.519 \| fine	10.867 \| good	0.583 \| good	10.161 \| good	0.194 \| good
2026-09-08T16:00:00.000Z	56 \| moderate	11.53 \| good	51.529 \| good	24.104 \| good	0.663 \| good	5.398 \| good	0.14 \| good
2026-09-08T17:00:00.000Z	56 \| moderate	12.112 \| fine	54.35 \| good	39.372 \| good	0.673 \| good	3.729 \| good	0.122 \| good
2026-09-08T18:00:00.000Z	49 \| good	8.513 \| good	37.485 \| good	50.665 \| good	0.669 \| good	3.062 \| good	0.119 \| good
2026-09-08T19:00:00.000Z	58 \| moderate	4.82 \| good	21.346 \| good	57.234 \| fine	0.671 \| good	2.531 \| good	0.12 \| good
2026-09-08T20:00:00.000Z	80 \| moderate	4.566 \| good	19.9 \| good	64.153 \| fine	0.679 \| good	2.114 \| good	0.121 \| good
2026-09-08T21:00:00.000Z	100 \| moderate	6.106 \| good	26.684 \| good	70.292 \| fine	0.697 \| good	1.872 \| good	0.123 \| good
2026-09-08T22:00:00.000Z	119 \| sensitive	8.275 \| good	36.426 \| good	76.081 \| moderate	0.735 \| good	1.799 \| good	0.126 \| good
2026-09-08T23:00:00.000Z	156 \| unhealthy	10.189 \| good	45.158 \| good	88.291 \| poor	0.811 \| good	1.977 \| good	0.13 \| good
2026-09-09T00:00:00.000Z	182 \| unhealthy	14.314 \| fine	64.076 \| fine	97.502 \| poor	0.922 \| good	2.496 \| good	0.134 \| good
2026-09-09T01:00:00.000Z	156 \| unhealthy	14.363 \| fine	64.633 \| fine	87.942 \| poor	1.04 \| good	3.61 \| good	0.14 \| good
2026-09-09T02:00:00.000Z	66 \| moderate	16.618 \| fine	73.995 \| fine	59.389 \| fine	1.142 \| good	6.895 \| good	0.155 \| good
2026-09-09T03:00:00.000Z	58 \| moderate	13.051 \| fine	58.923 \| fine	46.846 \| good	1.174 \| good	11.413 \| good	0.18 \| good
2026-09-09T04:00:00.000Z	62 \| moderate	14.752 \| fine	65.68 \| fine	35.799 \| good	1.204 \| good	14.519 \| good	0.195 \| good
2026-09-09T05:00:00.000Z	62 \| moderate	14.702 \| fine	66.031 \| fine	29.185 \| good	1.225 \| good	16.263 \| good	0.206 \| good
2026-09-09T06:00:00.000Z	62 \| moderate	15.212 \| fine	68.059 \| fine	24.741 \| good	1.147 \| good	18.244 \| good	0.219 \| good
2026-09-09T07:00:00.000Z	62 \| moderate	15.474 \| fine	68.761 \| fine	23.363 \| good	1.013 \| good	19.309 \| good	0.228 \| good
2026-09-09T08:00:00.000Z	62 \| moderate	14.772 \| fine	65.997 \| fine	20.323 \| good	0.875 \| good	19.135 \| good	0.23 \| good
2026-09-09T09:00:00.000Z	60 \| moderate	13.933 \| fine	62.76 \| fine	18.609 \| good	0.759 \| good	18.72 \| good	0.228 \| good
2026-09-09T10:00:00.000Z	60 \| moderate	13.823 \| fine	61.563 \| fine	17.034 \| good	0.653 \| good	18.024 \| good	0.224 \| good
2026-09-09T11:00:00.000Z	64 \| moderate	15.814 \| fine	70.297 \| fine	15.08 \| good	0.557 \| good	17.045 \| good	0.217 \| good

Grand Terrace

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

0.40ppm

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

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 03:00:00 on 2026-09-07.

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

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

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

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

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

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

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

The current PM_2.5 concentration at Grand Terrace, California is 7.286 μg/m³.

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

The current PM₁₀ concentration at Grand Terrace, California is 16.742 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 0.393 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 0.946 ppb.

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

The current ozone (O₃) concentration at Grand Terrace, California is 5.057 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 10.736 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-05T12:00:00.000Z	56 \| moderate	11.557 \| good	27.259 \| good	8.741 \| good	0.376 \| good	18.892 \| good	0.484 \| good
2026-09-05T13:00:00.000Z	56 \| moderate	11.586 \| good	27.463 \| good	8.741 \| good	0.376 \| good	18.962 \| good	0.484 \| good
2026-09-05T14:00:00.000Z	56 \| moderate	12.253 \| fine	34.081 \| good	8.483 \| good	0.553 \| good	17.501 \| good	0.589 \| good
2026-09-05T15:00:00.000Z	58 \| moderate	13.042 \| fine	47.057 \| good	10.925 \| good	0.848 \| good	23.363 \| good	0.587 \| good
2026-09-05T16:00:00.000Z	60 \| moderate	13.673 \| fine	47.17 \| good	17.887 \| good	0.736 \| good	24.445 \| good	0.408 \| good
2026-09-05T17:00:00.000Z	56 \| moderate	12.064 \| good	37.11 \| good	26.898 \| good	0.558 \| good	17.916 \| good	0.311 \| good
2026-09-05T18:00:00.000Z	49 \| good	8.996 \| good	29.262 \| good	41.602 \| good	0.463 \| good	7.367 \| good	0.225 \| good
2026-09-05T19:00:00.000Z	45 \| good	8.136 \| good	21.041 \| good	49.483 \| good	0.449 \| good	4.087 \| good	0.219 \| good
2026-09-05T20:00:00.000Z	50 \| good	6.883 \| good	20.957 \| good	54.405 \| good	0.448 \| good	2.723 \| good	0.127 \| good
2026-09-05T21:00:00.000Z	54 \| moderate	5.72 \| good	19.27 \| good	55.594 \| fine	0.46 \| good	1.989 \| good	0.131 \| good
2026-09-05T22:00:00.000Z	49 \| good	5.327 \| good	17.677 \| good	53.378 \| good	0.363 \| good	1.702 \| good	0.127 \| good
2026-09-05T23:00:00.000Z	64 \| moderate	5.939 \| good	17.776 \| good	59.327 \| fine	0.468 \| good	1.852 \| good	0.129 \| good
2026-09-06T00:00:00.000Z	77 \| moderate	6.656 \| good	19.271 \| good	62.535 \| fine	0.472 \| good	2.32 \| good	0.215 \| good
2026-09-06T01:00:00.000Z	64 \| moderate	6.734 \| good	21.327 \| good	58.745 \| fine	0.458 \| good	2.691 \| good	0.22 \| good
2026-09-06T02:00:00.000Z	50 \| good	6.602 \| good	28.068 \| good	53.709 \| good	0.47 \| good	3.503 \| good	0.224 \| good
2026-09-06T03:00:00.000Z	44 \| good	8.254 \| good	36.099 \| good	35.323 \| good	0.398 \| good	2.999 \| good	0.113 \| good
2026-09-06T04:00:00.000Z	33 \| good	5.171 \| good	30.176 \| good	36.447 \| good	0.377 \| good	3.919 \| good	0.145 \| good
2026-09-06T05:00:00.000Z	33 \| good	6.304 \| good	28.936 \| good	30.011 \| good	0.525 \| good	6.662 \| good	0.241 \| good
2026-09-06T06:00:00.000Z	49 \| good	8.633 \| good	28.462 \| good	25.533 \| good	0.47 \| good	8.732 \| good	0.244 \| good
2026-09-06T07:00:00.000Z	49 \| good	8.646 \| good	28.26 \| good	25.533 \| good	0.467 \| good	8.815 \| good	0.245 \| good
2026-09-06T08:00:00.000Z	49 \| good	8.692 \| good	30.628 \| good	23.34 \| good	0.477 \| good	9.405 \| good	0.337 \| good
2026-09-06T09:00:00.000Z	49 \| good	8.7 \| good	36.286 \| good	16.179 \| good	0.497 \| good	13.432 \| good	0.41 \| good
2026-09-06T10:00:00.000Z	49 \| good	8.803 \| good	35.537 \| good	16.06 \| good	0.497 \| good	13.433 \| good	0.41 \| good
2026-09-06T11:00:00.000Z	49 \| good	8.686 \| good	35.291 \| good	16.06 \| good	0.497 \| good	13.413 \| good	0.41 \| good
2026-09-06T12:00:00.000Z	49 \| good	9.293 \| good	30.654 \| good	10.839 \| good	0.457 \| good	15.757 \| good	0.321 \| good
2026-09-06T13:00:00.000Z	49 \| good	9.354 \| good	30.972 \| good	10.839 \| good	0.458 \| good	15.756 \| good	0.321 \| good
2026-09-06T14:00:00.000Z	49 \| good	9.427 \| good	36.779 \| good	13.203 \| good	0.47 \| good	20.137 \| good	0.318 \| good
2026-09-06T15:00:00.000Z	49 \| good	9.453 \| good	37.562 \| good	13.203 \| good	0.471 \| good	20.183 \| good	0.309 \| good
2026-09-06T16:00:00.000Z	49 \| good	8.927 \| good	31.776 \| good	13.203 \| good	0.524 \| good	17.201 \| good	0.307 \| good
2026-09-06T17:00:00.000Z	52 \| moderate	9.971 \| good	29.022 \| good	15.92 \| good	0.473 \| good	18.744 \| good	0.314 \| good
2026-09-06T18:00:00.000Z	52 \| moderate	9.874 \| good	23.736 \| good	17.667 \| good	0.457 \| good	16.269 \| good	0.313 \| good
2026-09-06T19:00:00.000Z	52 \| moderate	9.694 \| good	21.39 \| good	15.807 \| good	0.374 \| good	17.551 \| good	0.302 \| good
2026-09-06T20:00:00.000Z	49 \| good	9.317 \| good	18.198 \| good	20.609 \| good	0.374 \| good	13.141 \| good	0.303 \| good
2026-09-06T21:00:00.000Z	49 \| good	8.711 \| good	16.971 \| good	21.607 \| good	0.375 \| good	9.726 \| good	0.208 \| good
2026-09-06T22:00:00.000Z	44 \| good	8.27 \| good	15.465 \| good	20.064 \| good	0.374 \| good	10.711 \| good	0.208 \| good
2026-09-06T23:00:00.000Z	49 \| good	8.629 \| good	15.207 \| good	20.947 \| good	0.389 \| good	9.959 \| good	0.213 \| good
2026-09-07T00:00:00.000Z	49 \| good	8.735 \| good	15.398 \| good	19.757 \| good	0.471 \| good	10.08 \| good	0.214 \| good
2026-09-07T01:00:00.000Z	52 \| moderate	9.518 \| good	17.36 \| good	14.76 \| good	0.471 \| good	14.352 \| good	0.306 \| good
2026-09-07T02:00:00.000Z	52 \| moderate	9.812 \| good	19.46 \| good	10.295 \| good	0.454 \| good	16.329 \| good	0.307 \| good
2026-09-07T03:00:00.000Z	33 \| good	6.225 \| good	27.259 \| good	26.253 \| good	0.246 \| good	11.39 \| good	0.151 \| good
2026-09-07T04:00:00.000Z	58 \| moderate	12.755 \| fine	20.04 \| good	6.485 \| good	0.456 \| good	19.109 \| good	0.41 \| good
2026-09-07T05:00:00.000Z	60 \| moderate	13.506 \| fine	19.048 \| good	6.144 \| good	0.534 \| good	18.671 \| good	0.423 \| good
2026-09-07T06:00:00.000Z	60 \| moderate	13.915 \| fine	18.442 \| good	6.418 \| good	0.649 \| good	19.601 \| good	0.513 \| good
2026-09-07T07:00:00.000Z	60 \| moderate	13.884 \| fine	18.311 \| good	6.505 \| good	0.648 \| good	19.589 \| good	0.511 \| good
2026-09-07T08:00:00.000Z	52 \| moderate	10.293 \| good	16.456 \| good	6.674 \| good	0.718 \| good	15.841 \| good	0.502 \| good
2026-09-07T09:00:00.000Z	58 \| moderate	12.711 \| fine	20.33 \| good	5.607 \| good	0.735 \| good	14.961 \| good	0.497 \| good
2026-09-07T10:00:00.000Z	56 \| moderate	12.289 \| fine	18.302 \| good	6.727 \| good	0.624 \| good	14.4 \| good	0.399 \| good
2026-09-07T11:00:00.000Z	54 \| moderate	11.041 \| good	16.986 \| good	7.015 \| good	0.985 \| good	14.103 \| good	0.398 \| good
2026-09-07T11:00:00.000Z	38 \| good	7.286 \| good	16.742 \| good	5.057 \| good	0.946 \| good	10.736 \| good	0.393 \| good
2026-09-07T12:00:00.000Z	56 \| moderate	12.256 \| fine	54.602 \| good	2.079 \| good	0.219 \| good	12.482 \| good	0.173 \| good
2026-09-07T13:00:00.000Z	58 \| moderate	13.262 \| fine	59.302 \| fine	1.853 \| good	0.223 \| good	12.178 \| good	0.17 \| good
2026-09-07T14:00:00.000Z	60 \| moderate	14.237 \| fine	63.581 \| fine	3.237 \| good	0.249 \| good	10.699 \| good	0.173 \| good
2026-09-07T15:00:00.000Z	60 \| moderate	14.368 \| fine	64.485 \| fine	10.062 \| good	0.302 \| good	8.973 \| good	0.184 \| good
2026-09-07T16:00:00.000Z	54 \| moderate	10.927 \| good	48.444 \| good	20.593 \| good	0.317 \| good	4.571 \| good	0.131 \| good
2026-09-07T17:00:00.000Z	49 \| good	8.528 \| good	37.669 \| good	33.579 \| good	0.253 \| good	2.37 \| good	0.11 \| good
2026-09-07T18:00:00.000Z	39 \| good	7.331 \| good	32.466 \| good	42.441 \| good	0.224 \| good	1.452 \| good	0.102 \| good
2026-09-07T19:00:00.000Z	45 \| good	7.449 \| good	32.89 \| good	49.21 \| good	0.222 \| good	1.108 \| good	0.1 \| good
2026-09-07T20:00:00.000Z	54 \| moderate	6.399 \| good	28.482 \| good	56.121 \| fine	0.239 \| good	0.998 \| good	0.1 \| good
2026-09-07T21:00:00.000Z	64 \| moderate	5.825 \| good	25.676 \| good	58.987 \| fine	0.273 \| good	0.962 \| good	0.1 \| good
2026-09-07T22:00:00.000Z	74 \| moderate	7.664 \| good	33.648 \| good	61.901 \| fine	0.318 \| good	1.021 \| good	0.101 \| good
2026-09-07T23:00:00.000Z	93 \| moderate	8.388 \| good	36.881 \| good	68.494 \| fine	0.397 \| good	1.135 \| good	0.103 \| good
2026-09-08T00:00:00.000Z	105 \| sensitive	11.728 \| good	52.131 \| good	71.729 \| moderate	0.487 \| good	1.447 \| good	0.106 \| good
2026-09-08T01:00:00.000Z	74 \| moderate	10.06 \| good	44.685 \| good	62.201 \| fine	0.596 \| good	2.221 \| good	0.11 \| good
2026-09-08T02:00:00.000Z	52 \| moderate	10.005 \| good	44.408 \| good	45.282 \| good	0.728 \| good	4.461 \| good	0.122 \| good
2026-09-08T03:00:00.000Z	52 \| moderate	10.196 \| good	45.271 \| good	31.55 \| good	0.866 \| good	8.636 \| good	0.143 \| good
2026-09-08T04:00:00.000Z	49 \| good	9.191 \| good	40.862 \| good	22.071 \| good	0.991 \| good	11.977 \| good	0.16 \| good
2026-09-08T05:00:00.000Z	52 \| moderate	9.605 \| good	42.864 \| good	15.559 \| good	1.081 \| good	14.967 \| good	0.174 \| good
2026-09-08T06:00:00.000Z	49 \| good	8.928 \| good	39.42 \| good	10.785 \| good	1.123 \| good	17.459 \| good	0.186 \| good
2026-09-08T07:00:00.000Z	44 \| good	7.806 \| good	34.313 \| good	7.831 \| good	1.104 \| good	19.608 \| good	0.198 \| good
2026-09-08T08:00:00.000Z	49 \| good	8.857 \| good	38.927 \| good	5.587 \| good	1.031 \| good	20.257 \| good	0.203 \| good
2026-09-08T09:00:00.000Z	49 \| good	9.362 \| good	41.8 \| good	5.276 \| good	0.936 \| good	19.753 \| good	0.202 \| good
2026-09-08T10:00:00.000Z	54 \| moderate	10.817 \| good	47.944 \| good	4.721 \| good	0.843 \| good	18.546 \| good	0.198 \| good
2026-09-08T11:00:00.000Z	54 \| moderate	10.995 \| good	48.631 \| good	3.778 \| good	0.771 \| good	17.222 \| good	0.192 \| good
2026-09-08T12:00:00.000Z	54 \| moderate	11.439 \| good	50.532 \| good	2.337 \| good	0.702 \| good	16.141 \| good	0.187 \| good
2026-09-08T13:00:00.000Z	58 \| moderate	13.05 \| fine	58.529 \| fine	1.594 \| good	0.638 \| good	15.466 \| good	0.184 \| good
2026-09-08T14:00:00.000Z	60 \| moderate	14.372 \| fine	64.09 \| fine	2.535 \| good	0.593 \| good	13.243 \| good	0.187 \| good
2026-09-08T15:00:00.000Z	60 \| moderate	14.237 \| fine	63.519 \| fine	10.867 \| good	0.583 \| good	10.161 \| good	0.194 \| good
2026-09-08T16:00:00.000Z	56 \| moderate	11.53 \| good	51.529 \| good	24.104 \| good	0.663 \| good	5.398 \| good	0.14 \| good
2026-09-08T17:00:00.000Z	56 \| moderate	12.112 \| fine	54.35 \| good	39.372 \| good	0.673 \| good	3.729 \| good	0.122 \| good
2026-09-08T18:00:00.000Z	49 \| good	8.513 \| good	37.485 \| good	50.665 \| good	0.669 \| good	3.062 \| good	0.119 \| good
2026-09-08T19:00:00.000Z	58 \| moderate	4.82 \| good	21.346 \| good	57.234 \| fine	0.671 \| good	2.531 \| good	0.12 \| good
2026-09-08T20:00:00.000Z	80 \| moderate	4.566 \| good	19.9 \| good	64.153 \| fine	0.679 \| good	2.114 \| good	0.121 \| good
2026-09-08T21:00:00.000Z	100 \| moderate	6.106 \| good	26.684 \| good	70.292 \| fine	0.697 \| good	1.872 \| good	0.123 \| good
2026-09-08T22:00:00.000Z	119 \| sensitive	8.275 \| good	36.426 \| good	76.081 \| moderate	0.735 \| good	1.799 \| good	0.126 \| good
2026-09-08T23:00:00.000Z	156 \| unhealthy	10.189 \| good	45.158 \| good	88.291 \| poor	0.811 \| good	1.977 \| good	0.13 \| good
2026-09-09T00:00:00.000Z	182 \| unhealthy	14.314 \| fine	64.076 \| fine	97.502 \| poor	0.922 \| good	2.496 \| good	0.134 \| good
2026-09-09T01:00:00.000Z	156 \| unhealthy	14.363 \| fine	64.633 \| fine	87.942 \| poor	1.04 \| good	3.61 \| good	0.14 \| good
2026-09-09T02:00:00.000Z	66 \| moderate	16.618 \| fine	73.995 \| fine	59.389 \| fine	1.142 \| good	6.895 \| good	0.155 \| good
2026-09-09T03:00:00.000Z	58 \| moderate	13.051 \| fine	58.923 \| fine	46.846 \| good	1.174 \| good	11.413 \| good	0.18 \| good
2026-09-09T04:00:00.000Z	62 \| moderate	14.752 \| fine	65.68 \| fine	35.799 \| good	1.204 \| good	14.519 \| good	0.195 \| good
2026-09-09T05:00:00.000Z	62 \| moderate	14.702 \| fine	66.031 \| fine	29.185 \| good	1.225 \| good	16.263 \| good	0.206 \| good
2026-09-09T06:00:00.000Z	62 \| moderate	15.212 \| fine	68.059 \| fine	24.741 \| good	1.147 \| good	18.244 \| good	0.219 \| good
2026-09-09T07:00:00.000Z	62 \| moderate	15.474 \| fine	68.761 \| fine	23.363 \| good	1.013 \| good	19.309 \| good	0.228 \| good
2026-09-09T08:00:00.000Z	62 \| moderate	14.772 \| fine	65.997 \| fine	20.323 \| good	0.875 \| good	19.135 \| good	0.23 \| good
2026-09-09T09:00:00.000Z	60 \| moderate	13.933 \| fine	62.76 \| fine	18.609 \| good	0.759 \| good	18.72 \| good	0.228 \| good
2026-09-09T10:00:00.000Z	60 \| moderate	13.823 \| fine	61.563 \| fine	17.034 \| good	0.653 \| good	18.024 \| good	0.224 \| good
2026-09-09T11:00:00.000Z	64 \| moderate	15.814 \| fine	70.297 \| fine	15.08 \| good	0.557 \| good	17.045 \| good	0.217 \| 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 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?