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

Hillcrest, California currently has a PM10 concentration of 38.871 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Hillcrest, California is 1.016 ppb.

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

Hillcrest, California currently has an ozone (O3) concentration of 56.06 ppm.

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

The current level of nitrogen dioxide (NO2) in Hillcrest, California is 10.451 ppb.

Current air quality index in Hillcrest, California today

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

Hillcrest, California currently has a PM2.5 concentration of 5.971 μg/m3.

Stay updated with real-time air quality in Hillcrest, 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

Hillcrest, California

Last updated: ... (Local time)

Common air pollutants in Hillcrest, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.97 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

38.87 μg/m³

155

255

425

605+

Ozone (O₃)

56.06 ppb

201

201+

Sulfur Dioxide (SO₂)

1.02 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.45 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Hillcrest, California

Get Live Pollen Counts

Hillcrest, California

Scroll To Air Quality Map

Track live Hillcrest, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T03:00:00.000Z	42 \| good	4.8 \| good	22 \| good	45 \| good	0.571 \| good	6.155 \| good	0.1 \| good
2026-07-22T04:00:00.000Z	49 \| good	9.3 \| good	42 \| good	36 \| good	0.572 \| good	4.538 \| good	0.1 \| good
2026-07-22T05:00:00.000Z	54 \| moderate	10.5 \| good	47 \| good	18 \| good	0.727 \| good	2.805 \| good	0.11 \| good
2026-07-22T06:00:00.000Z	56 \| moderate	12.1 \| fine	56 \| fine	16 \| good	0.659 \| good	3.116 \| good	0.11 \| good
2026-07-22T07:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	16 \| good	0.683 \| good	3.225 \| good	0.11 \| good
2026-07-22T08:00:00.000Z	38 \| good	7.4 \| good	34 \| good	16 \| good	0.615 \| good	3.153 \| good	0.105 \| good
2026-07-22T09:00:00.000Z	38 \| good	7.2 \| good	32 \| good	17 \| good	0.59 \| good	7.506 \| good	0.1 \| good
2026-07-22T10:00:00.000Z	27 \| good	4.8 \| good	22 \| good	16 \| good	0.553 \| good	4.601 \| good	0.1 \| good
2026-07-22T11:00:00.000Z	22 \| good	4 \| good	18 \| good	14 \| good	0.766 \| good	3.967 \| good	0.1 \| good
2026-07-22T12:00:00.000Z	16 \| good	3.1 \| good	14 \| good	13 \| good	0.616 \| good	3.538 \| good	0.1 \| good
2026-07-22T13:00:00.000Z	14 \| good	2.4 \| good	11 \| good	15 \| good	0.544 \| good	3.219 \| good	0.1 \| good
2026-07-22T14:00:00.000Z	16 \| good	2.6 \| good	12 \| good	15 \| good	0.538 \| good	7.621 \| good	0.105 \| good
2026-07-22T15:00:00.000Z	22 \| good	4.3 \| good	19 \| good	18 \| good	0.67 \| good	8.608 \| good	0.105 \| good
2026-07-22T16:00:00.000Z	38 \| good	7.2 \| good	32 \| good	20 \| good	0.859 \| good	6.589 \| good	0.105 \| good
2026-07-22T17:00:00.000Z	33 \| good	6.4 \| good	29 \| good	21 \| good	1.017 \| good	5.245 \| good	0.11 \| good
2026-07-22T18:00:00.000Z	33 \| good	5.7 \| good	26 \| good	27 \| good	0.906 \| good	4.946 \| good	0.105 \| good
2026-07-22T19:00:00.000Z	31 \| good	5.2 \| good	24 \| good	33 \| good	0.884 \| good	5.78 \| good	0.118 \| good
2026-07-22T20:00:00.000Z	33 \| good	5.7 \| good	26 \| good	35 \| good	0.928 \| good	5.602 \| good	0.118 \| good
2026-07-22T21:00:00.000Z	37 \| good	5.2 \| good	24 \| good	40 \| good	0.816 \| good	6.353 \| good	0.105 \| good
2026-07-22T22:00:00.000Z	35 \| good	5 \| good	23 \| good	38 \| good	0.785 \| good	5.821 \| good	0.1 \| good
2026-07-22T23:00:00.000Z	35 \| good	5 \| good	23 \| good	38 \| good	0.684 \| good	6.567 \| good	0.1 \| good
2026-07-23T00:00:00.000Z	40 \| good	4.5 \| good	21 \| good	43 \| good	0.708 \| good	6.173 \| good	0.1 \| good
2026-07-23T01:00:00.000Z	42 \| good	5.2 \| good	24 \| good	45 \| good	0.763 \| good	7.378 \| good	0.1 \| good
2026-07-23T02:00:00.000Z	46 \| good	6.4 \| good	29 \| good	50 \| good	0.757 \| good	6.545 \| good	0.1 \| good
2026-07-23T03:00:00.000Z	49 \| good	9.39 \| good	41.669 \| good	45.221 \| good	0.137 \| good	1.144 \| good	0.088 \| good
2026-07-23T04:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	49 \| good	0.754 \| good	5.184 \| good	0.1 \| good
2026-07-23T05:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	45 \| good	0.849 \| good	4.917 \| good	0.1 \| good
2026-07-23T06:00:00.000Z	52 \| moderate	10 \| good	45 \| good	43 \| good	0.738 \| good	4.25 \| good	0.1 \| good
2026-07-23T07:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	46 \| good	0.69 \| good	4.605 \| good	0.1 \| good
2026-07-23T08:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	42 \| good	0.653 \| good	4.029 \| good	0.105 \| good
2026-07-23T09:00:00.000Z	54 \| moderate	10.8 \| good	49 \| good	37 \| good	0.715 \| good	6.093 \| good	0.105 \| good
2026-07-23T10:00:00.000Z	60 \| moderate	13.5 \| fine	62 \| fine	29 \| good	0.607 \| good	6.405 \| good	0.105 \| good
2026-07-23T11:00:00.000Z	60 \| moderate	13.5 \| fine	61 \| fine	25 \| good	0.714 \| good	6.423 \| good	0.105 \| good
2026-07-23T12:00:00.000Z	60 \| moderate	13.5 \| fine	62 \| fine	26 \| good	0.554 \| good	6.092 \| good	0.11 \| good
2026-07-23T13:00:00.000Z	56 \| moderate	11.7 \| good	53 \| good	24 \| good	0.553 \| good	5.128 \| good	0.11 \| good
2026-07-23T14:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	24 \| good	0.637 \| good	9.603 \| good	0.12 \| good
2026-07-23T15:00:00.000Z	49 \| good	9.3 \| good	42 \| good	28 \| good	0.818 \| good	10.361 \| good	0.205 \| good
2026-07-23T16:00:00.000Z	52 \| moderate	9.8 \| good	44 \| good	29 \| good	0.866 \| good	9.743 \| good	0.2 \| good
2026-07-23T17:00:00.000Z	52 \| moderate	10 \| good	45 \| good	34 \| good	0.807 \| good	8.435 \| good	0.195 \| good
2026-07-23T18:00:00.000Z	54 \| moderate	10.5 \| good	47 \| good	36 \| good	0.841 \| good	8.474 \| good	0.2 \| good
2026-07-23T19:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	38 \| good	0.803 \| good	6.879 \| good	0.209 \| good
2026-07-23T20:00:00.000Z	52 \| moderate	10 \| good	45 \| good	45 \| good	0.79 \| good	5.47 \| good	0.203 \| good
2026-07-23T21:00:00.000Z	49 \| good	9.3 \| good	42 \| good	45 \| good	0.832 \| good	5.872 \| good	0.118 \| good
2026-07-23T22:00:00.000Z	45 \| good	8.1 \| good	37 \| good	49 \| good	0.955 \| good	6.424 \| good	0.105 \| good
2026-07-23T23:00:00.000Z	47 \| good	7.6 \| good	35 \| good	51 \| good	1.014 \| good	7.366 \| good	0.105 \| good
2026-07-24T00:00:00.000Z	45 \| good	7.4 \| good	34 \| good	49 \| good	0.97 \| good	8.584 \| good	0.1 \| good
2026-07-24T01:00:00.000Z	46 \| good	7.6 \| good	35 \| good	50 \| good	1.015 \| good	7.911 \| good	0.1 \| good
2026-07-24T02:00:00.000Z	54 \| moderate	5.971 \| good	38.871 \| good	56.06 \| fine	1.016 \| good	10.451 \| good	0.1 \| good
2026-07-24T03:00:00.000Z	58 \| moderate	12.563 \| fine	56.298 \| fine	45.213 \| good	0.315 \| good	2.58 \| good	0.104 \| good
2026-07-24T04:00:00.000Z	60 \| moderate	13.619 \| fine	61.184 \| fine	39.784 \| good	0.323 \| good	5.125 \| good	0.113 \| good
2026-07-24T05:00:00.000Z	56 \| moderate	12.131 \| fine	54.69 \| good	38.436 \| good	0.33 \| good	6.829 \| good	0.118 \| good
2026-07-24T06:00:00.000Z	58 \| moderate	13.188 \| fine	59.264 \| fine	34.086 \| good	0.336 \| good	8.191 \| good	0.122 \| good
2026-07-24T07:00:00.000Z	54 \| moderate	10.86 \| good	48.205 \| good	32.648 \| good	0.34 \| good	9.12 \| good	0.125 \| good
2026-07-24T08:00:00.000Z	54 \| moderate	11.35 \| good	50.124 \| good	28.124 \| good	0.344 \| good	9.097 \| good	0.124 \| good
2026-07-24T09:00:00.000Z	49 \| good	8.792 \| good	38.914 \| good	26.71 \| good	0.348 \| good	8.613 \| good	0.121 \| good
2026-07-24T10:00:00.000Z	49 \| good	8.8 \| good	38.843 \| good	23.697 \| good	0.348 \| good	8.53 \| good	0.119 \| good
2026-07-24T11:00:00.000Z	44 \| good	8.397 \| good	37.003 \| good	20.619 \| good	0.344 \| good	8.847 \| good	0.118 \| good
2026-07-24T12:00:00.000Z	52 \| moderate	9.994 \| good	44.219 \| good	20.09 \| good	0.339 \| good	9.354 \| good	0.118 \| good
2026-07-24T13:00:00.000Z	58 \| moderate	12.874 \| fine	58.098 \| fine	19.49 \| good	0.336 \| good	9.646 \| good	0.119 \| good
2026-07-24T14:00:00.000Z	58 \| moderate	12.649 \| fine	56.996 \| fine	26.15 \| good	0.329 \| good	8.356 \| good	0.122 \| good
2026-07-24T15:00:00.000Z	52 \| moderate	9.861 \| good	43.908 \| good	36.327 \| good	0.355 \| good	5.152 \| good	0.114 \| good
2026-07-24T16:00:00.000Z	52 \| moderate	9.893 \| good	43.864 \| good	44.515 \| good	0.401 \| good	2.87 \| good	0.105 \| good
2026-07-24T17:00:00.000Z	54 \| moderate	11.161 \| good	49.21 \| good	52.589 \| good	0.437 \| good	2.201 \| good	0.104 \| good
2026-07-24T18:00:00.000Z	71 \| moderate	9.57 \| good	42.537 \| good	61.086 \| fine	0.452 \| good	1.745 \| good	0.104 \| good
2026-07-24T19:00:00.000Z	84 \| moderate	8.797 \| good	39.047 \| good	65.369 \| fine	0.45 \| good	1.316 \| good	0.104 \| good
2026-07-24T20:00:00.000Z	87 \| moderate	8.987 \| good	39.792 \| good	65.899 \| fine	0.431 \| good	0.952 \| good	0.105 \| good
2026-07-24T21:00:00.000Z	80 \| moderate	8.837 \| good	38.879 \| good	63.738 \| fine	0.4 \| good	0.714 \| good	0.105 \| good
2026-07-24T22:00:00.000Z	77 \| moderate	8.206 \| good	35.901 \| good	63.179 \| fine	0.365 \| good	0.587 \| good	0.105 \| good
2026-07-24T23:00:00.000Z	74 \| moderate	7.611 \| good	33.692 \| good	62.387 \| fine	0.337 \| good	0.526 \| good	0.105 \| good
2026-07-25T00:00:00.000Z	64 \| moderate	7.084 \| good	31.436 \| good	59.01 \| fine	0.315 \| good	0.524 \| good	0.104 \| good
2026-07-25T01:00:00.000Z	58 \| moderate	8.916 \| good	39.318 \| good	57.316 \| fine	0.296 \| good	0.576 \| good	0.103 \| good
2026-07-25T02:00:00.000Z	51 \| moderate	8.961 \| good	39.841 \| good	54.855 \| good	0.284 \| good	0.78 \| good	0.103 \| good
2026-07-25T03:00:00.000Z	54 \| moderate	11.308 \| good	49.957 \| good	42.99 \| good	0.275 \| good	1.817 \| good	0.107 \| good
2026-07-25T04:00:00.000Z	56 \| moderate	12.026 \| good	53.697 \| good	35.62 \| good	0.282 \| good	3.86 \| good	0.113 \| good
2026-07-25T05:00:00.000Z	54 \| moderate	10.539 \| good	46.526 \| good	37.11 \| good	0.291 \| good	5.236 \| good	0.117 \| good
2026-07-25T06:00:00.000Z	56 \| moderate	11.703 \| good	52.081 \| good	34.379 \| good	0.303 \| good	6.038 \| good	0.119 \| good
2026-07-25T07:00:00.000Z	52 \| moderate	10.368 \| good	45.69 \| good	33.866 \| good	0.308 \| good	6.262 \| good	0.119 \| good
2026-07-25T08:00:00.000Z	54 \| moderate	11.33 \| good	50.076 \| good	31.624 \| good	0.308 \| good	6.389 \| good	0.118 \| good
2026-07-25T09:00:00.000Z	52 \| moderate	9.706 \| good	43.074 \| good	28.117 \| good	0.309 \| good	6.774 \| good	0.117 \| good
2026-07-25T10:00:00.000Z	49 \| good	9.307 \| good	41.193 \| good	25.681 \| good	0.311 \| good	7.206 \| good	0.117 \| good
2026-07-25T11:00:00.000Z	49 \| good	8.823 \| good	38.758 \| good	20.124 \| good	0.312 \| good	7.692 \| good	0.117 \| good
2026-07-25T12:00:00.000Z	44 \| good	7.984 \| good	35.148 \| good	21.12 \| good	0.314 \| good	8.223 \| good	0.118 \| good
2026-07-25T13:00:00.000Z	52 \| moderate	9.916 \| good	43.968 \| good	20.947 \| good	0.315 \| good	8.778 \| good	0.119 \| good
2026-07-25T14:00:00.000Z	56 \| moderate	11.779 \| good	52.639 \| good	26.039 \| good	0.309 \| good	8.166 \| good	0.12 \| good
2026-07-25T15:00:00.000Z	44 \| good	7.908 \| good	34.615 \| good	32.335 \| good	0.334 \| good	5.004 \| good	0.113 \| good
2026-07-25T16:00:00.000Z	44 \| good	7.737 \| good	34.088 \| good	39.99 \| good	0.382 \| good	2.51 \| good	0.103 \| good
2026-07-25T17:00:00.000Z	49 \| good	9.386 \| good	41.825 \| good	48.236 \| good	0.414 \| good	1.875 \| good	0.103 \| good
2026-07-25T18:00:00.000Z	54 \| moderate	7.961 \| good	34.738 \| good	56.041 \| fine	0.431 \| good	1.434 \| good	0.103 \| good
2026-07-25T19:00:00.000Z	61 \| moderate	6.241 \| good	27.846 \| good	57.734 \| fine	0.429 \| good	1.063 \| good	0.103 \| good
2026-07-25T20:00:00.000Z	54 \| moderate	6.976 \| good	30.846 \| good	55.878 \| fine	0.412 \| good	0.783 \| good	0.104 \| good
2026-07-25T21:00:00.000Z	50 \| good	6.922 \| good	30.377 \| good	54.397 \| good	0.386 \| good	0.613 \| good	0.104 \| good
2026-07-25T22:00:00.000Z	51 \| moderate	6.398 \| good	28.315 \| good	54.544 \| good	0.359 \| good	0.528 \| good	0.104 \| good
2026-07-25T23:00:00.000Z	51 \| moderate	6.941 \| good	30.7 \| good	54.652 \| good	0.333 \| good	0.49 \| good	0.103 \| good
2026-07-26T00:00:00.000Z	67 \| moderate	11.506 \| good	54.935 \| good	59.747 \| fine	0.305 \| good	0.498 \| good	0.102 \| good
2026-07-26T01:00:00.000Z	71 \| moderate	8.31 \| good	36.161 \| good	61.344 \| fine	0.283 \| good	0.549 \| good	0.1 \| good
2026-07-26T02:00:00.000Z	71 \| moderate	9.517 \| good	42.257 \| good	60.712 \| fine	0.27 \| good	0.735 \| good	0.1 \| good

Hillcrest

Empower business decisions with accurate air quality data

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

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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 Hillcrest, California get updated?

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

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

Hillcrest, California experienced its worst air quality at 12:00:00, 2026-07-23.

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

The best air quality in Hillcrest, California was observed at 12:00:00 on 2026-07-24.

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

The air quality in Hillcrest, California right now is Moderate, with an AQI of 54.

What pollutant is most frequently found in Hillcrest, California?

In Hillcrest, California, O3 is the most frequently found pollutant.

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

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

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

Hillcrest, California currently has a PM_2.5 concentration of 5.971 μg/m³.

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

Hillcrest, California currently has a PM₁₀ concentration of 38.871 μg/m³.

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

The current carbon monoxide (CO) level in Hillcrest, California is 0.1 ppm.

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

The current sulfur dioxide (SO₂) concentration in Hillcrest, California is 1.016 ppb.

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

Hillcrest, California currently has an ozone (O₃) concentration of 56.06 ppm.

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

The current level of nitrogen dioxide (NO₂) in Hillcrest, California is 10.451 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-22T03:00:00.000Z	42 \| good	4.8 \| good	22 \| good	45 \| good	0.571 \| good	6.155 \| good	0.1 \| good
2026-07-22T04:00:00.000Z	49 \| good	9.3 \| good	42 \| good	36 \| good	0.572 \| good	4.538 \| good	0.1 \| good
2026-07-22T05:00:00.000Z	54 \| moderate	10.5 \| good	47 \| good	18 \| good	0.727 \| good	2.805 \| good	0.11 \| good
2026-07-22T06:00:00.000Z	56 \| moderate	12.1 \| fine	56 \| fine	16 \| good	0.659 \| good	3.116 \| good	0.11 \| good
2026-07-22T07:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	16 \| good	0.683 \| good	3.225 \| good	0.11 \| good
2026-07-22T08:00:00.000Z	38 \| good	7.4 \| good	34 \| good	16 \| good	0.615 \| good	3.153 \| good	0.105 \| good
2026-07-22T09:00:00.000Z	38 \| good	7.2 \| good	32 \| good	17 \| good	0.59 \| good	7.506 \| good	0.1 \| good
2026-07-22T10:00:00.000Z	27 \| good	4.8 \| good	22 \| good	16 \| good	0.553 \| good	4.601 \| good	0.1 \| good
2026-07-22T11:00:00.000Z	22 \| good	4 \| good	18 \| good	14 \| good	0.766 \| good	3.967 \| good	0.1 \| good
2026-07-22T12:00:00.000Z	16 \| good	3.1 \| good	14 \| good	13 \| good	0.616 \| good	3.538 \| good	0.1 \| good
2026-07-22T13:00:00.000Z	14 \| good	2.4 \| good	11 \| good	15 \| good	0.544 \| good	3.219 \| good	0.1 \| good
2026-07-22T14:00:00.000Z	16 \| good	2.6 \| good	12 \| good	15 \| good	0.538 \| good	7.621 \| good	0.105 \| good
2026-07-22T15:00:00.000Z	22 \| good	4.3 \| good	19 \| good	18 \| good	0.67 \| good	8.608 \| good	0.105 \| good
2026-07-22T16:00:00.000Z	38 \| good	7.2 \| good	32 \| good	20 \| good	0.859 \| good	6.589 \| good	0.105 \| good
2026-07-22T17:00:00.000Z	33 \| good	6.4 \| good	29 \| good	21 \| good	1.017 \| good	5.245 \| good	0.11 \| good
2026-07-22T18:00:00.000Z	33 \| good	5.7 \| good	26 \| good	27 \| good	0.906 \| good	4.946 \| good	0.105 \| good
2026-07-22T19:00:00.000Z	31 \| good	5.2 \| good	24 \| good	33 \| good	0.884 \| good	5.78 \| good	0.118 \| good
2026-07-22T20:00:00.000Z	33 \| good	5.7 \| good	26 \| good	35 \| good	0.928 \| good	5.602 \| good	0.118 \| good
2026-07-22T21:00:00.000Z	37 \| good	5.2 \| good	24 \| good	40 \| good	0.816 \| good	6.353 \| good	0.105 \| good
2026-07-22T22:00:00.000Z	35 \| good	5 \| good	23 \| good	38 \| good	0.785 \| good	5.821 \| good	0.1 \| good
2026-07-22T23:00:00.000Z	35 \| good	5 \| good	23 \| good	38 \| good	0.684 \| good	6.567 \| good	0.1 \| good
2026-07-23T00:00:00.000Z	40 \| good	4.5 \| good	21 \| good	43 \| good	0.708 \| good	6.173 \| good	0.1 \| good
2026-07-23T01:00:00.000Z	42 \| good	5.2 \| good	24 \| good	45 \| good	0.763 \| good	7.378 \| good	0.1 \| good
2026-07-23T02:00:00.000Z	46 \| good	6.4 \| good	29 \| good	50 \| good	0.757 \| good	6.545 \| good	0.1 \| good
2026-07-23T03:00:00.000Z	49 \| good	9.39 \| good	41.669 \| good	45.221 \| good	0.137 \| good	1.144 \| good	0.088 \| good
2026-07-23T04:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	49 \| good	0.754 \| good	5.184 \| good	0.1 \| good
2026-07-23T05:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	45 \| good	0.849 \| good	4.917 \| good	0.1 \| good
2026-07-23T06:00:00.000Z	52 \| moderate	10 \| good	45 \| good	43 \| good	0.738 \| good	4.25 \| good	0.1 \| good
2026-07-23T07:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	46 \| good	0.69 \| good	4.605 \| good	0.1 \| good
2026-07-23T08:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	42 \| good	0.653 \| good	4.029 \| good	0.105 \| good
2026-07-23T09:00:00.000Z	54 \| moderate	10.8 \| good	49 \| good	37 \| good	0.715 \| good	6.093 \| good	0.105 \| good
2026-07-23T10:00:00.000Z	60 \| moderate	13.5 \| fine	62 \| fine	29 \| good	0.607 \| good	6.405 \| good	0.105 \| good
2026-07-23T11:00:00.000Z	60 \| moderate	13.5 \| fine	61 \| fine	25 \| good	0.714 \| good	6.423 \| good	0.105 \| good
2026-07-23T12:00:00.000Z	60 \| moderate	13.5 \| fine	62 \| fine	26 \| good	0.554 \| good	6.092 \| good	0.11 \| good
2026-07-23T13:00:00.000Z	56 \| moderate	11.7 \| good	53 \| good	24 \| good	0.553 \| good	5.128 \| good	0.11 \| good
2026-07-23T14:00:00.000Z	52 \| moderate	9.6 \| good	43 \| good	24 \| good	0.637 \| good	9.603 \| good	0.12 \| good
2026-07-23T15:00:00.000Z	49 \| good	9.3 \| good	42 \| good	28 \| good	0.818 \| good	10.361 \| good	0.205 \| good
2026-07-23T16:00:00.000Z	52 \| moderate	9.8 \| good	44 \| good	29 \| good	0.866 \| good	9.743 \| good	0.2 \| good
2026-07-23T17:00:00.000Z	52 \| moderate	10 \| good	45 \| good	34 \| good	0.807 \| good	8.435 \| good	0.195 \| good
2026-07-23T18:00:00.000Z	54 \| moderate	10.5 \| good	47 \| good	36 \| good	0.841 \| good	8.474 \| good	0.2 \| good
2026-07-23T19:00:00.000Z	52 \| moderate	10.3 \| good	46 \| good	38 \| good	0.803 \| good	6.879 \| good	0.209 \| good
2026-07-23T20:00:00.000Z	52 \| moderate	10 \| good	45 \| good	45 \| good	0.79 \| good	5.47 \| good	0.203 \| good
2026-07-23T21:00:00.000Z	49 \| good	9.3 \| good	42 \| good	45 \| good	0.832 \| good	5.872 \| good	0.118 \| good
2026-07-23T22:00:00.000Z	45 \| good	8.1 \| good	37 \| good	49 \| good	0.955 \| good	6.424 \| good	0.105 \| good
2026-07-23T23:00:00.000Z	47 \| good	7.6 \| good	35 \| good	51 \| good	1.014 \| good	7.366 \| good	0.105 \| good
2026-07-24T00:00:00.000Z	45 \| good	7.4 \| good	34 \| good	49 \| good	0.97 \| good	8.584 \| good	0.1 \| good
2026-07-24T01:00:00.000Z	46 \| good	7.6 \| good	35 \| good	50 \| good	1.015 \| good	7.911 \| good	0.1 \| good
2026-07-24T02:00:00.000Z	54 \| moderate	5.971 \| good	38.871 \| good	56.06 \| fine	1.016 \| good	10.451 \| good	0.1 \| good
2026-07-24T03:00:00.000Z	58 \| moderate	12.563 \| fine	56.298 \| fine	45.213 \| good	0.315 \| good	2.58 \| good	0.104 \| good
2026-07-24T04:00:00.000Z	60 \| moderate	13.619 \| fine	61.184 \| fine	39.784 \| good	0.323 \| good	5.125 \| good	0.113 \| good
2026-07-24T05:00:00.000Z	56 \| moderate	12.131 \| fine	54.69 \| good	38.436 \| good	0.33 \| good	6.829 \| good	0.118 \| good
2026-07-24T06:00:00.000Z	58 \| moderate	13.188 \| fine	59.264 \| fine	34.086 \| good	0.336 \| good	8.191 \| good	0.122 \| good
2026-07-24T07:00:00.000Z	54 \| moderate	10.86 \| good	48.205 \| good	32.648 \| good	0.34 \| good	9.12 \| good	0.125 \| good
2026-07-24T08:00:00.000Z	54 \| moderate	11.35 \| good	50.124 \| good	28.124 \| good	0.344 \| good	9.097 \| good	0.124 \| good
2026-07-24T09:00:00.000Z	49 \| good	8.792 \| good	38.914 \| good	26.71 \| good	0.348 \| good	8.613 \| good	0.121 \| good
2026-07-24T10:00:00.000Z	49 \| good	8.8 \| good	38.843 \| good	23.697 \| good	0.348 \| good	8.53 \| good	0.119 \| good
2026-07-24T11:00:00.000Z	44 \| good	8.397 \| good	37.003 \| good	20.619 \| good	0.344 \| good	8.847 \| good	0.118 \| good
2026-07-24T12:00:00.000Z	52 \| moderate	9.994 \| good	44.219 \| good	20.09 \| good	0.339 \| good	9.354 \| good	0.118 \| good
2026-07-24T13:00:00.000Z	58 \| moderate	12.874 \| fine	58.098 \| fine	19.49 \| good	0.336 \| good	9.646 \| good	0.119 \| good
2026-07-24T14:00:00.000Z	58 \| moderate	12.649 \| fine	56.996 \| fine	26.15 \| good	0.329 \| good	8.356 \| good	0.122 \| good
2026-07-24T15:00:00.000Z	52 \| moderate	9.861 \| good	43.908 \| good	36.327 \| good	0.355 \| good	5.152 \| good	0.114 \| good
2026-07-24T16:00:00.000Z	52 \| moderate	9.893 \| good	43.864 \| good	44.515 \| good	0.401 \| good	2.87 \| good	0.105 \| good
2026-07-24T17:00:00.000Z	54 \| moderate	11.161 \| good	49.21 \| good	52.589 \| good	0.437 \| good	2.201 \| good	0.104 \| good
2026-07-24T18:00:00.000Z	71 \| moderate	9.57 \| good	42.537 \| good	61.086 \| fine	0.452 \| good	1.745 \| good	0.104 \| good
2026-07-24T19:00:00.000Z	84 \| moderate	8.797 \| good	39.047 \| good	65.369 \| fine	0.45 \| good	1.316 \| good	0.104 \| good
2026-07-24T20:00:00.000Z	87 \| moderate	8.987 \| good	39.792 \| good	65.899 \| fine	0.431 \| good	0.952 \| good	0.105 \| good
2026-07-24T21:00:00.000Z	80 \| moderate	8.837 \| good	38.879 \| good	63.738 \| fine	0.4 \| good	0.714 \| good	0.105 \| good
2026-07-24T22:00:00.000Z	77 \| moderate	8.206 \| good	35.901 \| good	63.179 \| fine	0.365 \| good	0.587 \| good	0.105 \| good
2026-07-24T23:00:00.000Z	74 \| moderate	7.611 \| good	33.692 \| good	62.387 \| fine	0.337 \| good	0.526 \| good	0.105 \| good
2026-07-25T00:00:00.000Z	64 \| moderate	7.084 \| good	31.436 \| good	59.01 \| fine	0.315 \| good	0.524 \| good	0.104 \| good
2026-07-25T01:00:00.000Z	58 \| moderate	8.916 \| good	39.318 \| good	57.316 \| fine	0.296 \| good	0.576 \| good	0.103 \| good
2026-07-25T02:00:00.000Z	51 \| moderate	8.961 \| good	39.841 \| good	54.855 \| good	0.284 \| good	0.78 \| good	0.103 \| good
2026-07-25T03:00:00.000Z	54 \| moderate	11.308 \| good	49.957 \| good	42.99 \| good	0.275 \| good	1.817 \| good	0.107 \| good
2026-07-25T04:00:00.000Z	56 \| moderate	12.026 \| good	53.697 \| good	35.62 \| good	0.282 \| good	3.86 \| good	0.113 \| good
2026-07-25T05:00:00.000Z	54 \| moderate	10.539 \| good	46.526 \| good	37.11 \| good	0.291 \| good	5.236 \| good	0.117 \| good
2026-07-25T06:00:00.000Z	56 \| moderate	11.703 \| good	52.081 \| good	34.379 \| good	0.303 \| good	6.038 \| good	0.119 \| good
2026-07-25T07:00:00.000Z	52 \| moderate	10.368 \| good	45.69 \| good	33.866 \| good	0.308 \| good	6.262 \| good	0.119 \| good
2026-07-25T08:00:00.000Z	54 \| moderate	11.33 \| good	50.076 \| good	31.624 \| good	0.308 \| good	6.389 \| good	0.118 \| good
2026-07-25T09:00:00.000Z	52 \| moderate	9.706 \| good	43.074 \| good	28.117 \| good	0.309 \| good	6.774 \| good	0.117 \| good
2026-07-25T10:00:00.000Z	49 \| good	9.307 \| good	41.193 \| good	25.681 \| good	0.311 \| good	7.206 \| good	0.117 \| good
2026-07-25T11:00:00.000Z	49 \| good	8.823 \| good	38.758 \| good	20.124 \| good	0.312 \| good	7.692 \| good	0.117 \| good
2026-07-25T12:00:00.000Z	44 \| good	7.984 \| good	35.148 \| good	21.12 \| good	0.314 \| good	8.223 \| good	0.118 \| good
2026-07-25T13:00:00.000Z	52 \| moderate	9.916 \| good	43.968 \| good	20.947 \| good	0.315 \| good	8.778 \| good	0.119 \| good
2026-07-25T14:00:00.000Z	56 \| moderate	11.779 \| good	52.639 \| good	26.039 \| good	0.309 \| good	8.166 \| good	0.12 \| good
2026-07-25T15:00:00.000Z	44 \| good	7.908 \| good	34.615 \| good	32.335 \| good	0.334 \| good	5.004 \| good	0.113 \| good
2026-07-25T16:00:00.000Z	44 \| good	7.737 \| good	34.088 \| good	39.99 \| good	0.382 \| good	2.51 \| good	0.103 \| good
2026-07-25T17:00:00.000Z	49 \| good	9.386 \| good	41.825 \| good	48.236 \| good	0.414 \| good	1.875 \| good	0.103 \| good
2026-07-25T18:00:00.000Z	54 \| moderate	7.961 \| good	34.738 \| good	56.041 \| fine	0.431 \| good	1.434 \| good	0.103 \| good
2026-07-25T19:00:00.000Z	61 \| moderate	6.241 \| good	27.846 \| good	57.734 \| fine	0.429 \| good	1.063 \| good	0.103 \| good
2026-07-25T20:00:00.000Z	54 \| moderate	6.976 \| good	30.846 \| good	55.878 \| fine	0.412 \| good	0.783 \| good	0.104 \| good
2026-07-25T21:00:00.000Z	50 \| good	6.922 \| good	30.377 \| good	54.397 \| good	0.386 \| good	0.613 \| good	0.104 \| good
2026-07-25T22:00:00.000Z	51 \| moderate	6.398 \| good	28.315 \| good	54.544 \| good	0.359 \| good	0.528 \| good	0.104 \| good
2026-07-25T23:00:00.000Z	51 \| moderate	6.941 \| good	30.7 \| good	54.652 \| good	0.333 \| good	0.49 \| good	0.103 \| good
2026-07-26T00:00:00.000Z	67 \| moderate	11.506 \| good	54.935 \| good	59.747 \| fine	0.305 \| good	0.498 \| good	0.102 \| good
2026-07-26T01:00:00.000Z	71 \| moderate	8.31 \| good	36.161 \| good	61.344 \| fine	0.283 \| good	0.549 \| good	0.1 \| good
2026-07-26T02:00:00.000Z	71 \| moderate	9.517 \| good	42.257 \| good	60.712 \| fine	0.27 \| good	0.735 \| good	0.1 \| good

Current air quality index in Hillcrest, California today

Common air pollutants in Hillcrest, 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 Hillcrest, California

Air quality in nearby cities

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Frequently asked questions

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What is the PM2.5 concentration in Hillcrest, California right now?

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

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

What is the current level of sulfur dioxide (SO2) in Hillcrest, 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 PM_2.5 concentration in Hillcrest, California right now?

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

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

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

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