What is the current level of PM10 in Tustin, California?

Tustin, California currently has a PM10 concentration of 42.714 μg/m3.

What is the current level of sulfur dioxide (SO2) in Tustin, California?

The current sulfur dioxide (SO2) concentration in Tustin, California is 0.562 ppb.

What is the current level of ozone (O3) in Tustin, California?

Tustin, California currently has an ozone (O3) concentration of 4.491 ppm.

What is the current level of nitrogen dioxide (NO2) in Tustin, California?

The current level of nitrogen dioxide (NO2) in Tustin, California is 31.129 ppb.

Current air quality index in Tustin, California today

Q: What is the PM2.5 concentration in Tustin, California right now?

Tustin, California currently has a PM2.5 concentration of 23.573 μg/m3.

Stay updated with real-time air quality in Tustin, 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

Tustin, California

Last updated: ... (Local time)

Common air pollutants in Tustin, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

23.57 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

42.71 μg/m³

155

255

425

605+

Ozone (O₃)

4.49 ppb

201

201+

Sulfur Dioxide (SO₂)

0.56 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

31.13 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.86 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Tustin, California

Get Live Pollen Counts

Tustin, California

Scroll To Air Quality Map

Track live Tustin, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T11:00:00.000Z	54 \| moderate	10.676 \| good	45.284 \| good	4.711 \| good	0.97 \| good	27.975 \| good	0.569 \| good
2025-12-06T12:00:00.000Z	67 \| moderate	18.13 \| fine	62.08 \| fine	4.765 \| good	0.79 \| good	28.881 \| good	0.569 \| good
2025-12-06T13:00:00.000Z	77 \| moderate	23.037 \| fine	102.784 \| fine	4.168 \| good	0.795 \| good	29.021 \| good	0.569 \| good
2025-12-06T14:00:00.000Z	81 \| moderate	24.968 \| fine	79.93 \| fine	4.034 \| good	0.86 \| good	25.099 \| good	0.604 \| good
2025-12-06T15:00:00.000Z	62 \| moderate	14.519 \| fine	33.243 \| good	3.836 \| good	1.026 \| good	24.683 \| good	0.744 \| good
2025-12-06T16:00:00.000Z	49 \| good	9.496 \| good	12.643 \| good	6.435 \| good	1.063 \| good	29.117 \| good	0.811 \| good
2025-12-06T17:00:00.000Z	52 \| moderate	10.33 \| good	40.531 \| good	11.766 \| good	0.901 \| good	27.773 \| good	0.68 \| good
2025-12-06T18:00:00.000Z	38 \| good	6.825 \| good	35.899 \| good	19.688 \| good	0.752 \| good	25.854 \| good	0.491 \| good
2025-12-06T19:00:00.000Z	33 \| good	6.329 \| good	20.968 \| good	24.864 \| good	1.139 \| good	23.412 \| good	0.439 \| good
2025-12-06T20:00:00.000Z	49 \| good	9.462 \| good	24.159 \| good	32.493 \| good	0.935 \| good	18.949 \| good	0.421 \| good
2025-12-06T21:00:00.000Z	56 \| moderate	12.265 \| fine	25.901 \| good	34.073 \| good	0.949 \| good	15.974 \| good	0.378 \| good
2025-12-06T22:00:00.000Z	35 \| good	4.662 \| good	18.545 \| good	37.527 \| good	0.54 \| good	14.249 \| good	0.32 \| good
2025-12-06T23:00:00.000Z	44 \| good	7.77 \| good	34.695 \| good	39.475 \| good	0.809 \| good	17.22 \| good	0.331 \| good
2025-12-07T00:00:00.000Z	44 \| good	7.771 \| good	43.796 \| good	39.963 \| good	0.819 \| good	12.874 \| good	0.331 \| good
2025-12-07T01:00:00.000Z	54 \| moderate	10.844 \| good	35.903 \| good	40.035 \| good	0.871 \| good	20.172 \| good	0.346 \| good
2025-12-07T02:00:00.000Z	49 \| good	8.538 \| good	44.75 \| good	39.693 \| good	0.873 \| good	20.423 \| good	0.445 \| good
2025-12-07T03:00:00.000Z	66 \| moderate	16.982 \| fine	54.213 \| good	31.052 \| good	0.8 \| good	20.122 \| good	0.557 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	16.122 \| fine	34.62 \| good	30.265 \| good	1.028 \| good	22.29 \| good	0.6 \| good
2025-12-07T05:00:00.000Z	71 \| moderate	19.528 \| fine	72.382 \| fine	28.009 \| good	1.16 \| good	25.954 \| good	0.754 \| good
2025-12-07T06:00:00.000Z	90 \| moderate	29.821 \| fine	69.169 \| fine	26.719 \| good	0.971 \| good	26.04 \| good	0.926 \| good
2025-12-07T07:00:00.000Z	79 \| moderate	23.889 \| fine	78.698 \| fine	20.507 \| good	0.955 \| good	27.295 \| good	0.925 \| good
2025-12-07T08:00:00.000Z	96 \| moderate	33.495 \| fine	67.044 \| fine	14.585 \| good	1.025 \| good	27.371 \| good	0.803 \| good
2025-12-07T09:00:00.000Z	110 \| sensitive	38.688 \| moderate	91.706 \| fine	11.56 \| good	0.87 \| good	26.043 \| good	0.748 \| good
2025-12-07T10:00:00.000Z	88 \| moderate	28.687 \| fine	43.218 \| good	11.287 \| good	0.923 \| good	26.315 \| good	0.659 \| good
2025-12-07T11:00:00.000Z	86 \| moderate	27.844 \| fine	49.279 \| good	8.328 \| good	0.919 \| good	27.232 \| good	0.657 \| good
2025-12-07T12:00:00.000Z	82 \| moderate	26.089 \| fine	77.354 \| fine	3.19 \| good	0.924 \| good	26.209 \| good	0.678 \| good
2025-12-07T13:00:00.000Z	52 \| moderate	9.818 \| good	39.009 \| good	4.585 \| good	0.812 \| good	8.257 \| good	0.593 \| good
2025-12-07T14:00:00.000Z	49 \| good	8.863 \| good	31.7 \| good	3.981 \| good	0.641 \| good	23.16 \| good	0.565 \| good
2025-12-07T15:00:00.000Z	54 \| moderate	10.817 \| good	37.481 \| good	7.095 \| good	0.787 \| good	20.666 \| good	0.654 \| good
2025-12-07T16:00:00.000Z	54 \| moderate	11.38 \| good	53.455 \| good	9.262 \| good	0.886 \| good	21.488 \| good	0.669 \| good
2025-12-07T17:00:00.000Z	67 \| moderate	17.964 \| fine	29.31 \| good	19.772 \| good	0.706 \| good	25.625 \| good	0.648 \| good
2025-12-07T18:00:00.000Z	44 \| good	8.191 \| good	32.908 \| good	17.463 \| good	0.625 \| good	23.039 \| good	0.541 \| good
2025-12-07T19:00:00.000Z	49 \| good	8.772 \| good	30.805 \| good	30.925 \| good	0.776 \| good	17.06 \| good	0.478 \| good
2025-12-07T20:00:00.000Z	49 \| good	8.953 \| good	29.288 \| good	38.479 \| good	0.936 \| good	14.392 \| good	0.504 \| good
2025-12-07T21:00:00.000Z	52 \| moderate	9.873 \| good	28.001 \| good	43.035 \| good	0.73 \| good	9.79 \| good	0.433 \| good
2025-12-07T22:00:00.000Z	49 \| good	8.763 \| good	26.086 \| good	46.861 \| good	0.798 \| good	11.812 \| good	0.448 \| good
2025-12-07T23:00:00.000Z	60 \| moderate	14.163 \| fine	57.126 \| fine	46.126 \| good	1.112 \| good	18.833 \| good	0.523 \| good
2025-12-08T00:00:00.000Z	36 \| good	5.658 \| good	18.316 \| good	38.971 \| good	1.061 \| good	15.734 \| good	0.592 \| good
2025-12-08T01:00:00.000Z	52 \| moderate	9.536 \| good	24.169 \| good	36.126 \| good	0.643 \| good	22.501 \| good	0.678 \| good
2025-12-08T02:00:00.000Z	38 \| good	7.034 \| good	39.012 \| good	30.938 \| good	0.529 \| good	29.653 \| good	0.855 \| good
2025-12-08T03:00:00.000Z	67 \| moderate	17.637 \| fine	63.575 \| fine	18.306 \| good	0.764 \| good	32.709 \| good	1 \| good
2025-12-08T04:00:00.000Z	79 \| moderate	23.591 \| fine	84.536 \| fine	23.238 \| good	0.7 \| good	31.483 \| good	1.145 \| good
2025-12-08T05:00:00.000Z	82 \| moderate	25.906 \| fine	94.386 \| fine	14.632 \| good	0.616 \| good	35.367 \| good	1.13 \| good
2025-12-08T06:00:00.000Z	87 \| moderate	27.325 \| fine	127.07 \| fine	7.485 \| good	0.92 \| good	36.106 \| good	1.179 \| good
2025-12-08T07:00:00.000Z	86 \| moderate	28.299 \| fine	107.347 \| fine	9.235 \| good	0.933 \| good	33.25 \| good	1.081 \| good
2025-12-08T08:00:00.000Z	84 \| moderate	27.225 \| fine	95.182 \| fine	7.491 \| good	0.975 \| good	33.344 \| good	1.031 \| good
2025-12-08T09:00:00.000Z	67 \| moderate	17.756 \| fine	42.832 \| good	6.312 \| good	0.611 \| good	31.753 \| good	0.87 \| good
2025-12-08T10:00:00.000Z	69 \| moderate	18.598 \| fine	35.995 \| good	13.498 \| good	0.985 \| good	29.791 \| good	0.815 \| good
2025-12-08T10:00:00.000Z	79 \| moderate	23.573 \| fine	42.714 \| good	4.491 \| good	0.562 \| good	31.129 \| good	0.862 \| good
2025-12-08T11:00:00.000Z	162 \| unhealthy	71.291 \| poor	271.239 \| poor	12.011 \| good	2.264 \| good	33.115 \| good	0.335 \| good
2025-12-08T12:00:00.000Z	161 \| unhealthy	70.436 \| poor	270.605 \| poor	13.067 \| good	2.053 \| good	31.341 \| good	0.301 \| good
2025-12-08T13:00:00.000Z	159 \| unhealthy	66.978 \| poor	266.424 \| poor	12.941 \| good	2.053 \| good	30.228 \| good	0.292 \| good
2025-12-08T14:00:00.000Z	154 \| unhealthy	59.938 \| poor	257.803 \| poor	11.198 \| good	2.052 \| good	29.115 \| good	0.284 \| good
2025-12-08T15:00:00.000Z	151 \| unhealthy	55.648 \| poor	246.154 \| moderate	9.521 \| good	2.052 \| good	28.001 \| good	0.276 \| good
2025-12-08T16:00:00.000Z	129 \| sensitive	46.915 \| moderate	209.864 \| moderate	10.941 \| good	2.233 \| good	25.067 \| good	0.276 \| good
2025-12-08T17:00:00.000Z	119 \| sensitive	43.301 \| moderate	192.038 \| moderate	20.589 \| good	2.414 \| good	22.133 \| good	0.276 \| good
2025-12-08T18:00:00.000Z	82 \| moderate	26.027 \| fine	114.328 \| fine	29.292 \| good	2.595 \| good	19.199 \| good	0.277 \| good
2025-12-08T19:00:00.000Z	60 \| moderate	14.444 \| fine	63.168 \| fine	34.311 \| good	2.732 \| good	18.137 \| good	0.256 \| good
2025-12-08T20:00:00.000Z	54 \| moderate	11.291 \| good	49.834 \| good	38.038 \| good	2.869 \| good	17.076 \| good	0.235 \| good
2025-12-08T21:00:00.000Z	52 \| moderate	10.428 \| good	45.641 \| good	39.04 \| good	3.006 \| good	16.014 \| good	0.215 \| good
2025-12-08T22:00:00.000Z	49 \| good	9.055 \| good	40.057 \| good	39.162 \| good	3.22 \| good	19.991 \| good	0.23 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.573 \| fine	60.275 \| fine	33.952 \| good	3.433 \| good	23.968 \| good	0.245 \| good
2025-12-09T00:00:00.000Z	66 \| moderate	17.365 \| fine	76.632 \| fine	23.461 \| good	3.647 \| good	27.945 \| good	0.26 \| good
2025-12-09T01:00:00.000Z	73 \| moderate	20.617 \| fine	90.936 \| fine	12.074 \| good	3.744 \| good	31.644 \| good	0.295 \| good
2025-12-09T02:00:00.000Z	71 \| moderate	20.266 \| fine	89.696 \| fine	6.604 \| good	3.841 \| good	35.343 \| good	0.33 \| good
2025-12-09T03:00:00.000Z	66 \| moderate	17.186 \| fine	76.234 \| fine	6.443 \| good	3.938 \| good	39.042 \| good	0.365 \| good
2025-12-09T04:00:00.000Z	58 \| moderate	12.982 \| fine	58.369 \| fine	8.392 \| good	3.603 \| good	37.649 \| good	0.358 \| good
2025-12-09T05:00:00.000Z	49 \| good	8.892 \| good	38.803 \| good	12.953 \| good	3.268 \| good	36.255 \| good	0.352 \| good
2025-12-09T06:00:00.000Z	33 \| good	3.885 \| good	16.889 \| good	18.763 \| good	2.933 \| good	34.862 \| good	0.346 \| good
2025-12-09T07:00:00.000Z	30 \| good	2.235 \| good	9.318 \| good	19.114 \| good	2.468 \| good	31.842 \| good	0.309 \| good
2025-12-09T08:00:00.000Z	27 \| good	3.912 \| good	16.943 \| good	16.914 \| good	2.003 \| good	28.822 \| good	0.272 \| good
2025-12-09T09:00:00.000Z	38 \| good	7.054 \| good	31.039 \| good	13.553 \| good	1.539 \| good	25.802 \| good	0.234 \| good
2025-12-09T10:00:00.000Z	38 \| good	7.423 \| good	32.614 \| good	12.149 \| good	1.456 \| good	22.328 \| good	0.208 \| good
2025-12-09T11:00:00.000Z	44 \| good	8.325 \| good	36.589 \| good	9.195 \| good	1.374 \| good	18.854 \| good	0.182 \| good
2025-12-09T12:00:00.000Z	52 \| moderate	10.456 \| good	46.26 \| good	8.623 \| good	1.291 \| good	15.379 \| good	0.156 \| good
2025-12-09T13:00:00.000Z	22 \| good	3.837 \| good	16.798 \| good	8.926 \| good	1.399 \| good	16.717 \| good	0.164 \| good
2025-12-09T14:00:00.000Z	33 \| good	6.292 \| good	28.028 \| good	8.74 \| good	1.507 \| good	18.056 \| good	0.172 \| good
2025-12-09T15:00:00.000Z	22 \| good	3.542 \| good	15.199 \| good	7.542 \| good	1.616 \| good	19.394 \| good	0.179 \| good
2025-12-09T16:00:00.000Z	22 \| good	4.344 \| good	18.766 \| good	6.947 \| good	1.873 \| good	18.508 \| good	0.195 \| good
2025-12-09T17:00:00.000Z	27 \| good	4.673 \| good	20.535 \| good	13.552 \| good	2.131 \| good	17.623 \| good	0.211 \| good
2025-12-09T18:00:00.000Z	20 \| good	3.475 \| good	14.803 \| good	22.175 \| good	2.388 \| good	16.737 \| good	0.227 \| good
2025-12-09T19:00:00.000Z	25 \| good	3.51 \| good	15.144 \| good	26.966 \| good	2.644 \| good	16.065 \| good	0.212 \| good
2025-12-09T20:00:00.000Z	29 \| good	3.798 \| good	16.196 \| good	30.619 \| good	2.899 \| good	15.392 \| good	0.197 \| good
2025-12-09T21:00:00.000Z	31 \| good	4.716 \| good	20.383 \| good	32.84 \| good	3.155 \| good	14.72 \| good	0.181 \| good
2025-12-09T22:00:00.000Z	33 \| good	5.817 \| good	25.622 \| good	32.995 \| good	3.42 \| good	19.321 \| good	0.204 \| good
2025-12-09T23:00:00.000Z	52 \| moderate	9.864 \| good	44.297 \| good	26.943 \| good	3.685 \| good	23.922 \| good	0.226 \| good
2025-12-10T00:00:00.000Z	54 \| moderate	11.127 \| good	49.781 \| good	14.909 \| good	3.949 \| good	28.524 \| good	0.249 \| good
2025-12-10T01:00:00.000Z	60 \| moderate	13.962 \| fine	62.618 \| fine	4.289 \| good	4.038 \| good	32.64 \| good	0.294 \| good
2025-12-10T02:00:00.000Z	62 \| moderate	15.314 \| fine	68.393 \| fine	2.17 \| good	4.126 \| good	36.757 \| good	0.339 \| good
2025-12-10T03:00:00.000Z	67 \| moderate	17.828 \| fine	79.133 \| fine	1.972 \| good	4.215 \| good	40.874 \| good	0.384 \| good
2025-12-10T04:00:00.000Z	67 \| moderate	18.455 \| fine	81.315 \| fine	1.448 \| good	3.964 \| good	39.49 \| good	0.375 \| good
2025-12-10T05:00:00.000Z	64 \| moderate	15.921 \| fine	70.973 \| fine	2.25 \| good	3.712 \| good	38.105 \| good	0.367 \| good
2025-12-10T06:00:00.000Z	75 \| moderate	21.821 \| fine	22.266 \| good	2.68 \| good	3.474 \| good	36.996 \| good	0.361 \| good
2025-12-10T07:00:00.000Z	58 \| moderate	12.973 \| fine	58.34 \| fine	6.244 \| good	3.114 \| good	35.075 \| good	0.336 \| good
2025-12-10T08:00:00.000Z	58 \| moderate	13.058 \| fine	58.554 \| fine	7.663 \| good	2.766 \| good	33.429 \| good	0.315 \| good
2025-12-10T09:00:00.000Z	56 \| moderate	12.214 \| fine	54.629 \| good	8.607 \| good	2.418 \| good	31.782 \| good	0.294 \| good
2025-12-10T10:00:00.000Z	52 \| moderate	10.359 \| good	46.076 \| good	9.271 \| good	2.155 \| good	28.582 \| good	0.267 \| good

Tustin

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Tustin, California

1.04ppm

How accurate is California, USA air quality data?

The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Tustin, California get updated?

Air quality updates for Tustin, California are available every hour.

What time in the past 24 hours saw the poorest air quality in Tustin, California?

Tustin, California experienced its worst air quality at 10:00:00, 2025-12-07.

When was air quality in Tustin, California the best over the past 24 hours?

The best air quality in Tustin, California was observed at 12:00:00 on 2025-12-08.

What is the air quality in Tustin, California right now?

The air quality in Tustin, California right now is Moderate, with an AQI of 79.

What pollutant is most frequently found in Tustin, California?

In Tustin, California, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Tustin, California is poor?

When air quality in Tustin, California is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Tustin, California right now?

Tustin, California currently has a PM_2.5 concentration of 23.573 μg/m³.

What is the current level of PM₁₀ in Tustin, California?

Tustin, California currently has a PM₁₀ concentration of 42.714 μg/m³.

What is the current level of carbon monoxide (CO) in Tustin, California?

The current carbon monoxide (CO) level in Tustin, California is 0.862 ppm.

What is the current level of sulfur dioxide (SO₂) in Tustin, California?

The current sulfur dioxide (SO₂) concentration in Tustin, California is 0.562 ppb.

What is the current level of ozone (O₃) in Tustin, California?

Tustin, California currently has an ozone (O₃) concentration of 4.491 ppm.

What is the current level of nitrogen dioxide (NO₂) in Tustin, California?

The current level of nitrogen dioxide (NO₂) in Tustin, California is 31.129 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-06T11:00:00.000Z	54 \| moderate	10.676 \| good	45.284 \| good	4.711 \| good	0.97 \| good	27.975 \| good	0.569 \| good
2025-12-06T12:00:00.000Z	67 \| moderate	18.13 \| fine	62.08 \| fine	4.765 \| good	0.79 \| good	28.881 \| good	0.569 \| good
2025-12-06T13:00:00.000Z	77 \| moderate	23.037 \| fine	102.784 \| fine	4.168 \| good	0.795 \| good	29.021 \| good	0.569 \| good
2025-12-06T14:00:00.000Z	81 \| moderate	24.968 \| fine	79.93 \| fine	4.034 \| good	0.86 \| good	25.099 \| good	0.604 \| good
2025-12-06T15:00:00.000Z	62 \| moderate	14.519 \| fine	33.243 \| good	3.836 \| good	1.026 \| good	24.683 \| good	0.744 \| good
2025-12-06T16:00:00.000Z	49 \| good	9.496 \| good	12.643 \| good	6.435 \| good	1.063 \| good	29.117 \| good	0.811 \| good
2025-12-06T17:00:00.000Z	52 \| moderate	10.33 \| good	40.531 \| good	11.766 \| good	0.901 \| good	27.773 \| good	0.68 \| good
2025-12-06T18:00:00.000Z	38 \| good	6.825 \| good	35.899 \| good	19.688 \| good	0.752 \| good	25.854 \| good	0.491 \| good
2025-12-06T19:00:00.000Z	33 \| good	6.329 \| good	20.968 \| good	24.864 \| good	1.139 \| good	23.412 \| good	0.439 \| good
2025-12-06T20:00:00.000Z	49 \| good	9.462 \| good	24.159 \| good	32.493 \| good	0.935 \| good	18.949 \| good	0.421 \| good
2025-12-06T21:00:00.000Z	56 \| moderate	12.265 \| fine	25.901 \| good	34.073 \| good	0.949 \| good	15.974 \| good	0.378 \| good
2025-12-06T22:00:00.000Z	35 \| good	4.662 \| good	18.545 \| good	37.527 \| good	0.54 \| good	14.249 \| good	0.32 \| good
2025-12-06T23:00:00.000Z	44 \| good	7.77 \| good	34.695 \| good	39.475 \| good	0.809 \| good	17.22 \| good	0.331 \| good
2025-12-07T00:00:00.000Z	44 \| good	7.771 \| good	43.796 \| good	39.963 \| good	0.819 \| good	12.874 \| good	0.331 \| good
2025-12-07T01:00:00.000Z	54 \| moderate	10.844 \| good	35.903 \| good	40.035 \| good	0.871 \| good	20.172 \| good	0.346 \| good
2025-12-07T02:00:00.000Z	49 \| good	8.538 \| good	44.75 \| good	39.693 \| good	0.873 \| good	20.423 \| good	0.445 \| good
2025-12-07T03:00:00.000Z	66 \| moderate	16.982 \| fine	54.213 \| good	31.052 \| good	0.8 \| good	20.122 \| good	0.557 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	16.122 \| fine	34.62 \| good	30.265 \| good	1.028 \| good	22.29 \| good	0.6 \| good
2025-12-07T05:00:00.000Z	71 \| moderate	19.528 \| fine	72.382 \| fine	28.009 \| good	1.16 \| good	25.954 \| good	0.754 \| good
2025-12-07T06:00:00.000Z	90 \| moderate	29.821 \| fine	69.169 \| fine	26.719 \| good	0.971 \| good	26.04 \| good	0.926 \| good
2025-12-07T07:00:00.000Z	79 \| moderate	23.889 \| fine	78.698 \| fine	20.507 \| good	0.955 \| good	27.295 \| good	0.925 \| good
2025-12-07T08:00:00.000Z	96 \| moderate	33.495 \| fine	67.044 \| fine	14.585 \| good	1.025 \| good	27.371 \| good	0.803 \| good
2025-12-07T09:00:00.000Z	110 \| sensitive	38.688 \| moderate	91.706 \| fine	11.56 \| good	0.87 \| good	26.043 \| good	0.748 \| good
2025-12-07T10:00:00.000Z	88 \| moderate	28.687 \| fine	43.218 \| good	11.287 \| good	0.923 \| good	26.315 \| good	0.659 \| good
2025-12-07T11:00:00.000Z	86 \| moderate	27.844 \| fine	49.279 \| good	8.328 \| good	0.919 \| good	27.232 \| good	0.657 \| good
2025-12-07T12:00:00.000Z	82 \| moderate	26.089 \| fine	77.354 \| fine	3.19 \| good	0.924 \| good	26.209 \| good	0.678 \| good
2025-12-07T13:00:00.000Z	52 \| moderate	9.818 \| good	39.009 \| good	4.585 \| good	0.812 \| good	8.257 \| good	0.593 \| good
2025-12-07T14:00:00.000Z	49 \| good	8.863 \| good	31.7 \| good	3.981 \| good	0.641 \| good	23.16 \| good	0.565 \| good
2025-12-07T15:00:00.000Z	54 \| moderate	10.817 \| good	37.481 \| good	7.095 \| good	0.787 \| good	20.666 \| good	0.654 \| good
2025-12-07T16:00:00.000Z	54 \| moderate	11.38 \| good	53.455 \| good	9.262 \| good	0.886 \| good	21.488 \| good	0.669 \| good
2025-12-07T17:00:00.000Z	67 \| moderate	17.964 \| fine	29.31 \| good	19.772 \| good	0.706 \| good	25.625 \| good	0.648 \| good
2025-12-07T18:00:00.000Z	44 \| good	8.191 \| good	32.908 \| good	17.463 \| good	0.625 \| good	23.039 \| good	0.541 \| good
2025-12-07T19:00:00.000Z	49 \| good	8.772 \| good	30.805 \| good	30.925 \| good	0.776 \| good	17.06 \| good	0.478 \| good
2025-12-07T20:00:00.000Z	49 \| good	8.953 \| good	29.288 \| good	38.479 \| good	0.936 \| good	14.392 \| good	0.504 \| good
2025-12-07T21:00:00.000Z	52 \| moderate	9.873 \| good	28.001 \| good	43.035 \| good	0.73 \| good	9.79 \| good	0.433 \| good
2025-12-07T22:00:00.000Z	49 \| good	8.763 \| good	26.086 \| good	46.861 \| good	0.798 \| good	11.812 \| good	0.448 \| good
2025-12-07T23:00:00.000Z	60 \| moderate	14.163 \| fine	57.126 \| fine	46.126 \| good	1.112 \| good	18.833 \| good	0.523 \| good
2025-12-08T00:00:00.000Z	36 \| good	5.658 \| good	18.316 \| good	38.971 \| good	1.061 \| good	15.734 \| good	0.592 \| good
2025-12-08T01:00:00.000Z	52 \| moderate	9.536 \| good	24.169 \| good	36.126 \| good	0.643 \| good	22.501 \| good	0.678 \| good
2025-12-08T02:00:00.000Z	38 \| good	7.034 \| good	39.012 \| good	30.938 \| good	0.529 \| good	29.653 \| good	0.855 \| good
2025-12-08T03:00:00.000Z	67 \| moderate	17.637 \| fine	63.575 \| fine	18.306 \| good	0.764 \| good	32.709 \| good	1 \| good
2025-12-08T04:00:00.000Z	79 \| moderate	23.591 \| fine	84.536 \| fine	23.238 \| good	0.7 \| good	31.483 \| good	1.145 \| good
2025-12-08T05:00:00.000Z	82 \| moderate	25.906 \| fine	94.386 \| fine	14.632 \| good	0.616 \| good	35.367 \| good	1.13 \| good
2025-12-08T06:00:00.000Z	87 \| moderate	27.325 \| fine	127.07 \| fine	7.485 \| good	0.92 \| good	36.106 \| good	1.179 \| good
2025-12-08T07:00:00.000Z	86 \| moderate	28.299 \| fine	107.347 \| fine	9.235 \| good	0.933 \| good	33.25 \| good	1.081 \| good
2025-12-08T08:00:00.000Z	84 \| moderate	27.225 \| fine	95.182 \| fine	7.491 \| good	0.975 \| good	33.344 \| good	1.031 \| good
2025-12-08T09:00:00.000Z	67 \| moderate	17.756 \| fine	42.832 \| good	6.312 \| good	0.611 \| good	31.753 \| good	0.87 \| good
2025-12-08T10:00:00.000Z	69 \| moderate	18.598 \| fine	35.995 \| good	13.498 \| good	0.985 \| good	29.791 \| good	0.815 \| good
2025-12-08T10:00:00.000Z	79 \| moderate	23.573 \| fine	42.714 \| good	4.491 \| good	0.562 \| good	31.129 \| good	0.862 \| good
2025-12-08T11:00:00.000Z	162 \| unhealthy	71.291 \| poor	271.239 \| poor	12.011 \| good	2.264 \| good	33.115 \| good	0.335 \| good
2025-12-08T12:00:00.000Z	161 \| unhealthy	70.436 \| poor	270.605 \| poor	13.067 \| good	2.053 \| good	31.341 \| good	0.301 \| good
2025-12-08T13:00:00.000Z	159 \| unhealthy	66.978 \| poor	266.424 \| poor	12.941 \| good	2.053 \| good	30.228 \| good	0.292 \| good
2025-12-08T14:00:00.000Z	154 \| unhealthy	59.938 \| poor	257.803 \| poor	11.198 \| good	2.052 \| good	29.115 \| good	0.284 \| good
2025-12-08T15:00:00.000Z	151 \| unhealthy	55.648 \| poor	246.154 \| moderate	9.521 \| good	2.052 \| good	28.001 \| good	0.276 \| good
2025-12-08T16:00:00.000Z	129 \| sensitive	46.915 \| moderate	209.864 \| moderate	10.941 \| good	2.233 \| good	25.067 \| good	0.276 \| good
2025-12-08T17:00:00.000Z	119 \| sensitive	43.301 \| moderate	192.038 \| moderate	20.589 \| good	2.414 \| good	22.133 \| good	0.276 \| good
2025-12-08T18:00:00.000Z	82 \| moderate	26.027 \| fine	114.328 \| fine	29.292 \| good	2.595 \| good	19.199 \| good	0.277 \| good
2025-12-08T19:00:00.000Z	60 \| moderate	14.444 \| fine	63.168 \| fine	34.311 \| good	2.732 \| good	18.137 \| good	0.256 \| good
2025-12-08T20:00:00.000Z	54 \| moderate	11.291 \| good	49.834 \| good	38.038 \| good	2.869 \| good	17.076 \| good	0.235 \| good
2025-12-08T21:00:00.000Z	52 \| moderate	10.428 \| good	45.641 \| good	39.04 \| good	3.006 \| good	16.014 \| good	0.215 \| good
2025-12-08T22:00:00.000Z	49 \| good	9.055 \| good	40.057 \| good	39.162 \| good	3.22 \| good	19.991 \| good	0.23 \| good
2025-12-08T23:00:00.000Z	60 \| moderate	13.573 \| fine	60.275 \| fine	33.952 \| good	3.433 \| good	23.968 \| good	0.245 \| good
2025-12-09T00:00:00.000Z	66 \| moderate	17.365 \| fine	76.632 \| fine	23.461 \| good	3.647 \| good	27.945 \| good	0.26 \| good
2025-12-09T01:00:00.000Z	73 \| moderate	20.617 \| fine	90.936 \| fine	12.074 \| good	3.744 \| good	31.644 \| good	0.295 \| good
2025-12-09T02:00:00.000Z	71 \| moderate	20.266 \| fine	89.696 \| fine	6.604 \| good	3.841 \| good	35.343 \| good	0.33 \| good
2025-12-09T03:00:00.000Z	66 \| moderate	17.186 \| fine	76.234 \| fine	6.443 \| good	3.938 \| good	39.042 \| good	0.365 \| good
2025-12-09T04:00:00.000Z	58 \| moderate	12.982 \| fine	58.369 \| fine	8.392 \| good	3.603 \| good	37.649 \| good	0.358 \| good
2025-12-09T05:00:00.000Z	49 \| good	8.892 \| good	38.803 \| good	12.953 \| good	3.268 \| good	36.255 \| good	0.352 \| good
2025-12-09T06:00:00.000Z	33 \| good	3.885 \| good	16.889 \| good	18.763 \| good	2.933 \| good	34.862 \| good	0.346 \| good
2025-12-09T07:00:00.000Z	30 \| good	2.235 \| good	9.318 \| good	19.114 \| good	2.468 \| good	31.842 \| good	0.309 \| good
2025-12-09T08:00:00.000Z	27 \| good	3.912 \| good	16.943 \| good	16.914 \| good	2.003 \| good	28.822 \| good	0.272 \| good
2025-12-09T09:00:00.000Z	38 \| good	7.054 \| good	31.039 \| good	13.553 \| good	1.539 \| good	25.802 \| good	0.234 \| good
2025-12-09T10:00:00.000Z	38 \| good	7.423 \| good	32.614 \| good	12.149 \| good	1.456 \| good	22.328 \| good	0.208 \| good
2025-12-09T11:00:00.000Z	44 \| good	8.325 \| good	36.589 \| good	9.195 \| good	1.374 \| good	18.854 \| good	0.182 \| good
2025-12-09T12:00:00.000Z	52 \| moderate	10.456 \| good	46.26 \| good	8.623 \| good	1.291 \| good	15.379 \| good	0.156 \| good
2025-12-09T13:00:00.000Z	22 \| good	3.837 \| good	16.798 \| good	8.926 \| good	1.399 \| good	16.717 \| good	0.164 \| good
2025-12-09T14:00:00.000Z	33 \| good	6.292 \| good	28.028 \| good	8.74 \| good	1.507 \| good	18.056 \| good	0.172 \| good
2025-12-09T15:00:00.000Z	22 \| good	3.542 \| good	15.199 \| good	7.542 \| good	1.616 \| good	19.394 \| good	0.179 \| good
2025-12-09T16:00:00.000Z	22 \| good	4.344 \| good	18.766 \| good	6.947 \| good	1.873 \| good	18.508 \| good	0.195 \| good
2025-12-09T17:00:00.000Z	27 \| good	4.673 \| good	20.535 \| good	13.552 \| good	2.131 \| good	17.623 \| good	0.211 \| good
2025-12-09T18:00:00.000Z	20 \| good	3.475 \| good	14.803 \| good	22.175 \| good	2.388 \| good	16.737 \| good	0.227 \| good
2025-12-09T19:00:00.000Z	25 \| good	3.51 \| good	15.144 \| good	26.966 \| good	2.644 \| good	16.065 \| good	0.212 \| good
2025-12-09T20:00:00.000Z	29 \| good	3.798 \| good	16.196 \| good	30.619 \| good	2.899 \| good	15.392 \| good	0.197 \| good
2025-12-09T21:00:00.000Z	31 \| good	4.716 \| good	20.383 \| good	32.84 \| good	3.155 \| good	14.72 \| good	0.181 \| good
2025-12-09T22:00:00.000Z	33 \| good	5.817 \| good	25.622 \| good	32.995 \| good	3.42 \| good	19.321 \| good	0.204 \| good
2025-12-09T23:00:00.000Z	52 \| moderate	9.864 \| good	44.297 \| good	26.943 \| good	3.685 \| good	23.922 \| good	0.226 \| good
2025-12-10T00:00:00.000Z	54 \| moderate	11.127 \| good	49.781 \| good	14.909 \| good	3.949 \| good	28.524 \| good	0.249 \| good
2025-12-10T01:00:00.000Z	60 \| moderate	13.962 \| fine	62.618 \| fine	4.289 \| good	4.038 \| good	32.64 \| good	0.294 \| good
2025-12-10T02:00:00.000Z	62 \| moderate	15.314 \| fine	68.393 \| fine	2.17 \| good	4.126 \| good	36.757 \| good	0.339 \| good
2025-12-10T03:00:00.000Z	67 \| moderate	17.828 \| fine	79.133 \| fine	1.972 \| good	4.215 \| good	40.874 \| good	0.384 \| good
2025-12-10T04:00:00.000Z	67 \| moderate	18.455 \| fine	81.315 \| fine	1.448 \| good	3.964 \| good	39.49 \| good	0.375 \| good
2025-12-10T05:00:00.000Z	64 \| moderate	15.921 \| fine	70.973 \| fine	2.25 \| good	3.712 \| good	38.105 \| good	0.367 \| good
2025-12-10T06:00:00.000Z	75 \| moderate	21.821 \| fine	22.266 \| good	2.68 \| good	3.474 \| good	36.996 \| good	0.361 \| good
2025-12-10T07:00:00.000Z	58 \| moderate	12.973 \| fine	58.34 \| fine	6.244 \| good	3.114 \| good	35.075 \| good	0.336 \| good
2025-12-10T08:00:00.000Z	58 \| moderate	13.058 \| fine	58.554 \| fine	7.663 \| good	2.766 \| good	33.429 \| good	0.315 \| good
2025-12-10T09:00:00.000Z	56 \| moderate	12.214 \| fine	54.629 \| good	8.607 \| good	2.418 \| good	31.782 \| good	0.294 \| good
2025-12-10T10:00:00.000Z	52 \| moderate	10.359 \| good	46.076 \| good	9.271 \| good	2.155 \| good	28.582 \| good	0.267 \| good

Current air quality index in Tustin, California today

Common air pollutants in Tustin, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Real-time air quality map: Monitor AQI near Tustin, California

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North Tustin, California

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Frequently asked questions

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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