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

Hillcrest, California currently has a PM10 concentration of 37.37 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Hillcrest, California is 0.438 ppb.

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

Hillcrest, California currently has an ozone (O3) concentration of 26.535 ppm.

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

The current level of nitrogen dioxide (NO2) in Hillcrest, California is 15.001 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 10.943 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)

10.94 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

37.37 μg/m³

155

255

425

605+

Ozone (O₃)

26.54 ppb

201

201+

Sulfur Dioxide (SO₂)

0.44 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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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
2026-03-02T07:00:00.000Z	33 \| good	6.4 \| good	29 \| good	25 \| good	0.388 \| good	11.079 \| good	0.291 \| good
2026-03-02T08:00:00.000Z	27 \| good	4.5 \| good	21 \| good	22 \| good	0.37 \| good	11.184 \| good	0.201 \| good
2026-03-02T09:00:00.000Z	27 \| good	4.5 \| good	20 \| good	19 \| good	0.396 \| good	11.039 \| good	0.195 \| good
2026-03-02T10:00:00.000Z	22 \| good	3.8 \| good	17 \| good	19 \| good	0.4 \| good	9.774 \| good	0.275 \| good
2026-03-02T11:00:00.000Z	22 \| good	3.6 \| good	16 \| good	15 \| good	0.444 \| good	7.005 \| good	0.275 \| good
2026-03-02T12:00:00.000Z	16 \| good	3.1 \| good	14 \| good	17 \| good	0.415 \| good	4.569 \| good	0.111 \| good
2026-03-02T13:00:00.000Z	16 \| good	2.8 \| good	13 \| good	16 \| good	0.415 \| good	4.793 \| good	0.111 \| good
2026-03-02T14:00:00.000Z	15 \| good	2.4 \| good	11 \| good	16 \| good	0.416 \| good	3.445 \| good	0.131 \| good
2026-03-02T15:00:00.000Z	15 \| good	1.9 \| good	9 \| good	16 \| good	0.419 \| good	4.947 \| good	0.214 \| good
2026-03-02T16:00:00.000Z	15 \| good	1.9 \| good	9 \| good	16 \| good	0.492 \| good	5.99 \| good	0.204 \| good
2026-03-02T17:00:00.000Z	19 \| good	2.4 \| good	11 \| good	21 \| good	0.492 \| good	6.333 \| good	0.195 \| good
2026-03-02T18:00:00.000Z	21 \| good	2.8 \| good	13 \| good	23 \| good	0.523 \| good	5.862 \| good	0.274 \| good
2026-03-02T19:00:00.000Z	23 \| good	2.4 \| good	11 \| good	25 \| good	0.459 \| good	4.347 \| good	0.27 \| good
2026-03-02T20:00:00.000Z	25 \| good	1.9 \| good	9 \| good	27 \| good	0.483 \| good	3.754 \| good	0.185 \| good
2026-03-02T21:00:00.000Z	26 \| good	2.1 \| good	10 \| good	28 \| good	0.507 \| good	3.484 \| good	0.185 \| good
2026-03-02T22:00:00.000Z	28 \| good	2.4 \| good	11 \| good	30 \| good	0.601 \| good	5.606 \| good	0.18 \| good
2026-03-02T23:00:00.000Z	30 \| good	2.4 \| good	11 \| good	32 \| good	0.512 \| good	3.785 \| good	0.18 \| good
2026-03-03T00:00:00.000Z	31 \| good	3.3 \| good	15 \| good	34 \| good	0.463 \| good	3.547 \| good	0.193 \| good
2026-03-03T01:00:00.000Z	31 \| good	3.3 \| good	15 \| good	34 \| good	0.435 \| good	2.845 \| good	0.203 \| good
2026-03-03T02:00:00.000Z	32 \| good	2.8 \| good	13 \| good	35 \| good	0.381 \| good	2.554 \| good	0.185 \| good
2026-03-03T03:00:00.000Z	31 \| good	3.1 \| good	14 \| good	34 \| good	0.346 \| good	2.509 \| good	0.185 \| good
2026-03-03T04:00:00.000Z	30 \| good	3.3 \| good	15 \| good	32 \| good	0.37 \| good	5.409 \| good	0.264 \| good
2026-03-03T05:00:00.000Z	29 \| good	3.3 \| good	15 \| good	31 \| good	0.485 \| good	8.694 \| good	0.269 \| good
2026-03-03T06:00:00.000Z	27 \| good	3.1 \| good	14 \| good	29 \| good	0.579 \| good	10.02 \| good	0.269 \| good
2026-03-03T07:00:00.000Z	24 \| good	4.3 \| good	19 \| good	26 \| good	0.577 \| good	12.379 \| good	0.28 \| good
2026-03-03T08:00:00.000Z	21 \| good	3.3 \| good	15 \| good	23 \| good	0.488 \| good	10.866 \| good	0.29 \| good
2026-03-03T09:00:00.000Z	22 \| good	4 \| good	18 \| good	22 \| good	0.489 \| good	10.107 \| good	0.274 \| good
2026-03-03T10:00:00.000Z	22 \| good	4 \| good	18 \| good	20 \| good	0.506 \| good	10.407 \| good	0.359 \| good
2026-03-03T11:00:00.000Z	27 \| good	4.5 \| good	21 \| good	21 \| good	0.635 \| good	12.378 \| good	0.274 \| good
2026-03-03T12:00:00.000Z	22 \| good	4 \| good	18 \| good	20 \| good	0.576 \| good	8.181 \| good	0.19 \| good
2026-03-03T13:00:00.000Z	19 \| good	3.1 \| good	14 \| good	20 \| good	0.578 \| good	7.6 \| good	0.19 \| good
2026-03-03T14:00:00.000Z	19 \| good	2.8 \| good	13 \| good	20 \| good	0.678 \| good	10.276 \| good	0.119 \| good
2026-03-03T15:00:00.000Z	27 \| good	4.5 \| good	21 \| good	15 \| good	0.843 \| good	12.782 \| good	0.24 \| good
2026-03-03T16:00:00.000Z	33 \| good	5.5 \| good	25 \| good	15 \| good	0.738 \| good	11.71 \| good	0.239 \| good
2026-03-03T17:00:00.000Z	33 \| good	5.5 \| good	25 \| good	15 \| good	0.719 \| good	9.463 \| good	0.215 \| good
2026-03-03T18:00:00.000Z	33 \| good	6 \| good	27 \| good	16 \| good	0.731 \| good	7.964 \| good	0.216 \| good
2026-03-03T19:00:00.000Z	33 \| good	5.5 \| good	25 \| good	18 \| good	0.721 \| good	7.786 \| good	0.211 \| good
2026-03-03T20:00:00.000Z	33 \| good	6 \| good	27 \| good	22 \| good	0.691 \| good	6.561 \| good	0.2 \| good
2026-03-03T21:00:00.000Z	33 \| good	5.7 \| good	26 \| good	26 \| good	0.641 \| good	5.903 \| good	0.205 \| good
2026-03-03T22:00:00.000Z	31 \| good	4.5 \| good	21 \| good	33 \| good	0.669 \| good	4.842 \| good	0.2 \| good
2026-03-03T23:00:00.000Z	33 \| good	4.5 \| good	21 \| good	36 \| good	0.635 \| good	3.227 \| good	0.2 \| good
2026-03-04T00:00:00.000Z	37 \| good	5 \| good	23 \| good	40 \| good	0.606 \| good	4.653 \| good	0.19 \| good
2026-03-04T01:00:00.000Z	37 \| good	4.8 \| good	22 \| good	40 \| good	0.477 \| good	5.47 \| good	0.195 \| good
2026-03-04T02:00:00.000Z	37 \| good	5.2 \| good	24 \| good	40 \| good	0.526 \| good	7.631 \| good	0.2 \| good
2026-03-04T03:00:00.000Z	66 \| moderate	17.412 \| fine	77.424 \| fine	21.116 \| good	0.355 \| good	8.665 \| good	0.21 \| good
2026-03-04T04:00:00.000Z	34 \| good	5 \| good	23 \| good	37 \| good	0.409 \| good	10.462 \| good	0.205 \| good
2026-03-04T05:00:00.000Z	32 \| good	5 \| good	23 \| good	35 \| good	0.503 \| good	10.637 \| good	0.295 \| good
2026-03-04T06:00:00.000Z	54 \| moderate	11 \| good	50 \| good	33 \| good	0.428 \| good	11.133 \| good	0.301 \| good
2026-03-04T06:00:00.000Z	54 \| moderate	10.943 \| good	37.37 \| good	26.535 \| good	0.438 \| good	15.001 \| good	0.3 \| good
2026-03-04T07:00:00.000Z	69 \| moderate	19.497 \| fine	85.917 \| fine	7.05 \| good	0.438 \| good	12.885 \| good	0.24 \| good
2026-03-04T08:00:00.000Z	67 \| moderate	17.939 \| fine	79.034 \| fine	7.247 \| good	0.405 \| good	12.623 \| good	0.239 \| good
2026-03-04T09:00:00.000Z	73 \| moderate	20.583 \| fine	90.369 \| fine	6.772 \| good	0.372 \| good	12.361 \| good	0.237 \| good
2026-03-04T10:00:00.000Z	77 \| moderate	22.632 \| fine	99.22 \| fine	7.077 \| good	0.366 \| good	11.586 \| good	0.227 \| good
2026-03-04T11:00:00.000Z	67 \| moderate	18.407 \| fine	81.498 \| fine	6.887 \| good	0.36 \| good	10.812 \| good	0.217 \| good
2026-03-04T12:00:00.000Z	62 \| moderate	14.746 \| fine	65.692 \| fine	10.323 \| good	0.354 \| good	10.037 \| good	0.207 \| good
2026-03-04T13:00:00.000Z	64 \| moderate	15.948 \| fine	71.144 \| fine	9.185 \| good	0.323 \| good	9.659 \| good	0.208 \| good
2026-03-04T14:00:00.000Z	58 \| moderate	12.618 \| fine	56.303 \| fine	9.679 \| good	0.291 \| good	9.281 \| good	0.209 \| good
2026-03-04T15:00:00.000Z	60 \| moderate	14.385 \| fine	64.76 \| fine	12.724 \| good	0.26 \| good	8.902 \| good	0.209 \| good
2026-03-04T16:00:00.000Z	60 \| moderate	14.398 \| fine	64.624 \| fine	17.418 \| good	0.326 \| good	7.243 \| good	0.202 \| good
2026-03-04T17:00:00.000Z	62 \| moderate	15.384 \| fine	68.458 \| fine	23.216 \| good	0.392 \| good	5.583 \| good	0.195 \| good
2026-03-04T18:00:00.000Z	58 \| moderate	13.054 \| fine	58.854 \| fine	32.535 \| good	0.458 \| good	3.924 \| good	0.188 \| good
2026-03-04T19:00:00.000Z	44 \| good	7.656 \| good	33.644 \| good	37.22 \| good	0.423 \| good	3.558 \| good	0.189 \| good
2026-03-04T20:00:00.000Z	58 \| moderate	12.529 \| fine	56.579 \| fine	37.99 \| good	0.387 \| good	3.192 \| good	0.189 \| good
2026-03-04T21:00:00.000Z	60 \| moderate	14.144 \| fine	63.023 \| fine	38.739 \| good	0.352 \| good	2.825 \| good	0.189 \| good
2026-03-04T22:00:00.000Z	56 \| moderate	12.097 \| good	54.128 \| good	40.479 \| good	0.343 \| good	2.623 \| good	0.183 \| good
2026-03-04T23:00:00.000Z	44 \| good	7.783 \| good	34 \| good	42.458 \| good	0.335 \| good	2.421 \| good	0.176 \| good
2026-03-05T00:00:00.000Z	44 \| good	8.357 \| good	36.589 \| good	46.297 \| good	0.326 \| good	2.219 \| good	0.17 \| good
2026-03-05T01:00:00.000Z	41 \| good	7.127 \| good	31.611 \| good	44.473 \| good	0.351 \| good	3.793 \| good	0.176 \| good
2026-03-05T02:00:00.000Z	49 \| good	9.327 \| good	41.488 \| good	34.573 \| good	0.376 \| good	5.367 \| good	0.182 \| good
2026-03-05T03:00:00.000Z	44 \| good	8.337 \| good	36.672 \| good	30.628 \| good	0.401 \| good	6.941 \| good	0.188 \| good
2026-03-05T04:00:00.000Z	56 \| moderate	11.65 \| good	51.817 \| good	23.745 \| good	0.405 \| good	7.311 \| good	0.187 \| good
2026-03-05T05:00:00.000Z	60 \| moderate	13.772 \| fine	61.823 \| fine	20.25 \| good	0.408 \| good	7.682 \| good	0.186 \| good
2026-03-05T06:00:00.000Z	54 \| moderate	10.57 \| good	46.959 \| good	18.405 \| good	0.412 \| good	8.053 \| good	0.186 \| good
2026-03-05T07:00:00.000Z	49 \| good	8.753 \| good	38.742 \| good	16.222 \| good	0.396 \| good	7.058 \| good	0.173 \| good
2026-03-05T08:00:00.000Z	52 \| moderate	10.285 \| good	45.629 \| good	17.469 \| good	0.38 \| good	6.064 \| good	0.161 \| good
2026-03-05T09:00:00.000Z	38 \| good	6.703 \| good	30.031 \| good	14.695 \| good	0.364 \| good	5.07 \| good	0.148 \| good
2026-03-05T10:00:00.000Z	38 \| good	6.817 \| good	30.189 \| good	16.727 \| good	0.383 \| good	4.765 \| good	0.146 \| good
2026-03-05T11:00:00.000Z	33 \| good	6.123 \| good	26.893 \| good	8.055 \| good	0.402 \| good	4.46 \| good	0.143 \| good
2026-03-05T12:00:00.000Z	33 \| good	6.31 \| good	28.255 \| good	8.092 \| good	0.422 \| good	4.155 \| good	0.14 \| good
2026-03-05T13:00:00.000Z	49 \| good	8.751 \| good	38.686 \| good	7.701 \| good	0.444 \| good	4.568 \| good	0.144 \| good
2026-03-05T14:00:00.000Z	38 \| good	6.722 \| good	30.044 \| good	12.79 \| good	0.466 \| good	4.982 \| good	0.149 \| good
2026-03-05T15:00:00.000Z	52 \| moderate	10.055 \| good	44.596 \| good	15.253 \| good	0.488 \| good	5.395 \| good	0.153 \| good
2026-03-05T16:00:00.000Z	44 \| good	8.103 \| good	35.512 \| good	20.014 \| good	0.5 \| good	4.595 \| good	0.153 \| good
2026-03-05T17:00:00.000Z	44 \| good	8.325 \| good	36.76 \| good	24.873 \| good	0.512 \| good	3.795 \| good	0.152 \| good
2026-03-05T18:00:00.000Z	33 \| good	5.782 \| good	24.954 \| good	27.842 \| good	0.524 \| good	2.995 \| good	0.152 \| good
2026-03-05T19:00:00.000Z	30 \| good	2.04 \| good	8.272 \| good	31.981 \| good	0.465 \| good	2.644 \| good	0.151 \| good
2026-03-05T20:00:00.000Z	32 \| good	2.295 \| good	9.512 \| good	34.625 \| good	0.406 \| good	2.292 \| good	0.15 \| good
2026-03-05T21:00:00.000Z	35 \| good	3.576 \| good	15.719 \| good	37.601 \| good	0.346 \| good	1.941 \| good	0.149 \| good
2026-03-05T22:00:00.000Z	37 \| good	5.165 \| good	22.113 \| good	40.149 \| good	0.308 \| good	1.829 \| good	0.147 \| good
2026-03-05T23:00:00.000Z	38 \| good	5.944 \| good	26.719 \| good	41.458 \| good	0.269 \| good	1.718 \| good	0.146 \| good
2026-03-06T00:00:00.000Z	44 \| good	7.693 \| good	33.841 \| good	42.283 \| good	0.23 \| good	1.606 \| good	0.145 \| good
2026-03-06T01:00:00.000Z	60 \| moderate	14.287 \| fine	63.825 \| fine	39.134 \| good	0.259 \| good	3.908 \| good	0.164 \| good
2026-03-06T02:00:00.000Z	66 \| moderate	16.639 \| fine	73.921 \| fine	19.388 \| good	0.289 \| good	6.209 \| good	0.182 \| good
2026-03-06T03:00:00.000Z	79 \| moderate	24.105 \| fine	104.915 \| fine	10.027 \| good	0.318 \| good	8.51 \| good	0.201 \| good
2026-03-06T04:00:00.000Z	86 \| moderate	28.423 \| fine	123.549 \| fine	8.85 \| good	0.356 \| good	9.542 \| good	0.209 \| good
2026-03-06T05:00:00.000Z	84 \| moderate	27.068 \| fine	117.57 \| fine	8.002 \| good	0.395 \| good	10.573 \| good	0.217 \| good
2026-03-06T06:00:00.000Z	54 \| moderate	10.544 \| good	26.917 \| good	19.611 \| good	0.432 \| good	11.607 \| good	0.225 \| good

Hillcrest

Empower business decisions with accurate air quality data

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

0.30ppm

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 03:00:00, 2026-03-04.

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

The best air quality in Hillcrest, California was observed at 02:00:00 on 2026-03-03.

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, PM2.5 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 10.943 μg/m³.

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

Hillcrest, California currently has a PM₁₀ concentration of 37.37 μg/m³.

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

The current carbon monoxide (CO) level in Hillcrest, California is 0.3 ppm.

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

The current sulfur dioxide (SO₂) concentration in Hillcrest, California is 0.438 ppb.

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

Hillcrest, California currently has an ozone (O₃) concentration of 26.535 ppm.

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

The current level of nitrogen dioxide (NO₂) in Hillcrest, California is 15.001 ppb.

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