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

Hollister, California currently has a PM10 concentration of 18.615 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Hollister, California is 0.466 ppb.

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

Hollister, California currently has an ozone (O3) concentration of 39.574 ppm.

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

The current level of nitrogen dioxide (NO2) in Hollister, California is 2.836 ppb.

Current air quality index in Hollister, California today

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

Hollister, California currently has a PM2.5 concentration of 4.318 μg/m3.

Stay updated with real-time air quality in Hollister, 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

Hollister, California

Last updated: ... (Local time)

Common air pollutants in Hollister, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.16 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

18.75 μg/m³

155

255

425

605+

Ozone (O₃)

40.46 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.59 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.25 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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Hollister, California

Scroll To Air Quality Map

Track live Hollister, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-10T09:00:00.000Z	19 \| good	1.565 \| good	6.318 \| good	20.83 \| good	0.349 \| good	3.899 \| good	0.217 \| good
2026-04-10T10:00:00.000Z	19 \| good	2.201 \| good	9.041 \| good	19.908 \| good	0.306 \| good	2.669 \| good	0.2 \| good
2026-04-10T11:00:00.000Z	20 \| good	1.604 \| good	6.955 \| good	21.871 \| good	0.275 \| good	3.058 \| good	0.156 \| good
2026-04-10T12:00:00.000Z	20 \| good	2.697 \| good	11.519 \| good	21.827 \| good	0.294 \| good	1.958 \| good	0.2 \| good
2026-04-10T13:00:00.000Z	20 \| good	2.331 \| good	9.67 \| good	21.804 \| good	0.313 \| good	2.303 \| good	0.218 \| good
2026-04-10T14:00:00.000Z	18 \| good	2.172 \| good	8.873 \| good	18.967 \| good	0.307 \| good	2.619 \| good	0.235 \| good
2026-04-10T15:00:00.000Z	17 \| good	2.539 \| good	10.843 \| good	17.917 \| good	0.331 \| good	3.502 \| good	0.235 \| good
2026-04-10T16:00:00.000Z	19 \| good	0.364 \| good	1.675 \| good	19.775 \| good	0.331 \| good	4.098 \| good	0.268 \| good
2026-04-10T17:00:00.000Z	20 \| good	0.379 \| good	1.763 \| good	21.645 \| good	0.384 \| good	4.055 \| good	0.268 \| good
2026-04-10T18:00:00.000Z	18 \| good	1.458 \| good	6.26 \| good	18.853 \| good	0.394 \| good	3.449 \| good	0.256 \| good
2026-04-10T19:00:00.000Z	19 \| good	0.803 \| good	3.403 \| good	20.827 \| good	0.429 \| good	2.925 \| good	0.256 \| good
2026-04-10T20:00:00.000Z	19 \| good	1.531 \| good	10.371 \| good	20.961 \| good	0.39 \| good	2.338 \| good	0.228 \| good
2026-04-10T21:00:00.000Z	21 \| good	1.701 \| good	6.798 \| good	22.999 \| good	0.333 \| good	2.819 \| good	0.233 \| good
2026-04-10T22:00:00.000Z	23 \| good	2.391 \| good	9.126 \| good	24.961 \| good	0.329 \| good	2.974 \| good	0.217 \| good
2026-04-10T23:00:00.000Z	25 \| good	0.276 \| good	1.89 \| good	27.136 \| good	0.31 \| good	2.551 \| good	0.233 \| good
2026-04-11T00:00:00.000Z	26 \| good	0.564 \| good	2.859 \| good	28.054 \| good	0.89 \| good	2.459 \| good	0.217 \| good
2026-04-11T01:00:00.000Z	27 \| good	0.368 \| good	4.482 \| good	29.058 \| good	0.759 \| good	2.206 \| good	0.233 \| good
2026-04-11T02:00:00.000Z	28 \| good	0.686 \| good	5.353 \| good	30.081 \| good	0.39 \| good	1.527 \| good	0.245 \| good
2026-04-11T03:00:00.000Z	28 \| good	3.733 \| good	16 \| good	29.587 \| good	0.161 \| good	1.942 \| good	0.125 \| good
2026-04-11T04:00:00.000Z	28 \| good	3.485 \| good	5.013 \| good	30.156 \| good	0.24 \| good	1.944 \| good	0.245 \| good
2026-04-11T05:00:00.000Z	27 \| good	1.117 \| good	5.133 \| good	29.241 \| good	0.284 \| good	3.063 \| good	0.245 \| good
2026-04-11T06:00:00.000Z	24 \| good	0.883 \| good	3.813 \| good	26.357 \| good	0.263 \| good	4.612 \| good	0.245 \| good
2026-04-11T07:00:00.000Z	21 \| good	0.323 \| good	1.486 \| good	22.55 \| good	0.241 \| good	4.226 \| good	0.233 \| good
2026-04-11T08:00:00.000Z	22 \| good	2.859 \| good	11.834 \| good	24.31 \| good	0.263 \| good	3.71 \| good	0.233 \| good
2026-04-11T09:00:00.000Z	22 \| good	1.468 \| good	6.254 \| good	24.28 \| good	0.262 \| good	3.149 \| good	0.233 \| good
2026-04-11T10:00:00.000Z	21 \| good	1.318 \| good	5.554 \| good	23.273 \| good	0.424 \| good	3.604 \| good	0.174 \| good
2026-04-11T11:00:00.000Z	19 \| good	0.852 \| good	2.144 \| good	20.409 \| good	0.502 \| good	4.118 \| good	0.185 \| good
2026-04-11T12:00:00.000Z	18 \| good	0.425 \| good	1.543 \| good	19.053 \| good	0.422 \| good	4.76 \| good	0.174 \| good
2026-04-11T13:00:00.000Z	18 \| good	2.101 \| good	8.974 \| good	19.122 \| good	0.761 \| good	3.002 \| good	0.218 \| good
2026-04-11T14:00:00.000Z	17 \| good	2.505 \| good	10.125 \| good	18.217 \| good	0.466 \| good	3.387 \| good	0.2 \| good
2026-04-11T15:00:00.000Z	18 \| good	1.785 \| good	7.342 \| good	18.957 \| good	0.421 \| good	3.07 \| good	0.245 \| good
2026-04-11T16:00:00.000Z	19 \| good	1.389 \| good	5.379 \| good	20.924 \| good	0.375 \| good	2.906 \| good	0.217 \| good
2026-04-11T17:00:00.000Z	24 \| good	0.237 \| good	0.839 \| good	25.683 \| good	0.442 \| good	3.05 \| good	0.233 \| good
2026-04-11T18:00:00.000Z	27 \| good	1.61 \| good	6.549 \| good	28.766 \| good	0.425 \| good	2.353 \| good	0.217 \| good
2026-04-11T19:00:00.000Z	30 \| good	3.023 \| good	7.105 \| good	31.675 \| good	0.374 \| good	2.205 \| good	0.233 \| good
2026-04-11T20:00:00.000Z	29 \| good	0.434 \| good	2.077 \| good	30.895 \| good	0.332 \| good	2.303 \| good	0.25 \| good
2026-04-11T21:00:00.000Z	31 \| good	0.239 \| good	1.446 \| good	32.95 \| good	0.353 \| good	2.024 \| good	0.233 \| good
2026-04-11T22:00:00.000Z	31 \| good	0.63 \| good	2.988 \| good	32.948 \| good	0.374 \| good	2.029 \| good	0.233 \| good
2026-04-11T23:00:00.000Z	31 \| good	0.779 \| good	3.702 \| good	33.011 \| good	0.353 \| good	2.096 \| good	0.233 \| good
2026-04-12T00:00:00.000Z	31 \| good	1.105 \| good	4.825 \| good	33.942 \| good	0.332 \| good	1.94 \| good	0.19 \| good
2026-04-12T01:00:00.000Z	31 \| good	0.869 \| good	3.736 \| good	33.912 \| good	0.285 \| good	1.904 \| good	0.233 \| good
2026-04-12T02:00:00.000Z	31 \| good	0.563 \| good	2.717 \| good	32.938 \| good	0.26 \| good	1.599 \| good	0.233 \| good
2026-04-12T03:00:00.000Z	30 \| good	2.98 \| good	12.114 \| good	31.514 \| good	0.099 \| good	1.187 \| good	0.119 \| good
2026-04-12T04:00:00.000Z	31 \| good	0.679 \| good	3.265 \| good	32.992 \| good	0.495 \| good	2.284 \| good	0.233 \| good
2026-04-12T05:00:00.000Z	34 \| good	3.906 \| good	17.008 \| good	36.809 \| good	0.493 \| good	2.739 \| good	0.245 \| good
2026-04-12T06:00:00.000Z	34 \| good	3.888 \| good	16.916 \| good	36.918 \| good	0.49 \| good	3.224 \| good	0.25 \| good
2026-04-12T07:00:00.000Z	37 \| good	4.318 \| good	18.615 \| good	39.574 \| good	0.466 \| good	2.836 \| good	0.261 \| good
2026-04-12T08:00:00.000Z	37 \| good	4.156 \| good	18.755 \| good	40.456 \| good	0.514 \| good	2.592 \| good	0.25 \| good
2026-04-12T08:00:00.000Z	37 \| good	4.156 \| good	18.755 \| good	40.456 \| good	0.514 \| good	2.592 \| good	0.25 \| good
2026-04-12T08:00:00.000Z	25 \| good	1.906 \| good	7.963 \| good	26.666 \| good	0.24 \| good	1.087 \| good	0.128 \| good
2026-04-12T09:00:00.000Z	25 \| good	3.493 \| good	15.768 \| good	26.854 \| good	0.27 \| good	0.918 \| good	0.13 \| good
2026-04-12T10:00:00.000Z	22 \| good	3.006 \| good	12.195 \| good	23.529 \| good	0.23 \| good	0.866 \| good	0.128 \| good
2026-04-12T11:00:00.000Z	19 \| good	2.741 \| good	11.093 \| good	20.344 \| good	0.191 \| good	0.815 \| good	0.127 \| good
2026-04-12T12:00:00.000Z	29 \| good	2.496 \| good	10.084 \| good	31.287 \| good	0.151 \| good	0.764 \| good	0.125 \| good
2026-04-12T13:00:00.000Z	25 \| good	0.368 \| good	1.069 \| good	27.122 \| good	0.149 \| good	0.907 \| good	0.127 \| good
2026-04-12T14:00:00.000Z	29 \| good	3.246 \| good	13.963 \| good	30.6 \| good	0.147 \| good	1.049 \| good	0.129 \| good
2026-04-12T15:00:00.000Z	31 \| good	4.678 \| good	19.984 \| good	33.389 \| good	0.145 \| good	1.192 \| good	0.13 \| good
2026-04-12T16:00:00.000Z	29 \| good	4.747 \| good	20.833 \| good	30.908 \| good	0.138 \| good	0.963 \| good	0.129 \| good
2026-04-12T17:00:00.000Z	27 \| good	2.533 \| good	10.067 \| good	28.791 \| good	0.132 \| good	0.734 \| good	0.128 \| good
2026-04-12T18:00:00.000Z	27 \| good	1.093 \| good	4.069 \| good	29.194 \| good	0.126 \| good	0.505 \| good	0.127 \| good
2026-04-12T19:00:00.000Z	29 \| good	1.456 \| good	5.479 \| good	30.694 \| good	0.147 \| good	0.441 \| good	0.127 \| good
2026-04-12T20:00:00.000Z	31 \| good	1.796 \| good	7.46 \| good	33.892 \| good	0.169 \| good	0.376 \| good	0.126 \| good
2026-04-12T21:00:00.000Z	33 \| good	3.167 \| good	12.795 \| good	35.86 \| good	0.191 \| good	0.312 \| good	0.126 \| good
2026-04-12T22:00:00.000Z	35 \| good	1.591 \| good	6.813 \| good	37.992 \| good	0.187 \| good	0.355 \| good	0.126 \| good
2026-04-12T23:00:00.000Z	36 \| good	1.926 \| good	7.975 \| good	38.652 \| good	0.183 \| good	0.399 \| good	0.127 \| good
2026-04-13T00:00:00.000Z	34 \| good	2.476 \| good	10 \| good	37.206 \| good	0.179 \| good	0.443 \| good	0.127 \| good
2026-04-13T01:00:00.000Z	35 \| good	1.04 \| good	4.04 \| good	37.868 \| good	0.182 \| good	1.042 \| good	0.132 \| good
2026-04-13T02:00:00.000Z	33 \| good	1.042 \| good	4.076 \| good	36.312 \| good	0.185 \| good	1.641 \| good	0.136 \| good
2026-04-13T03:00:00.000Z	31 \| good	2.061 \| good	8.096 \| good	33.932 \| good	0.188 \| good	2.24 \| good	0.141 \| good
2026-04-13T04:00:00.000Z	32 \| good	2.727 \| good	10.983 \| good	35.054 \| good	0.267 \| good	4.064 \| good	0.153 \| good
2026-04-13T05:00:00.000Z	30 \| good	2.036 \| good	8.108 \| good	31.57 \| good	0.345 \| good	5.888 \| good	0.165 \| good
2026-04-13T06:00:00.000Z	25 \| good	1.919 \| good	7.983 \| good	27.091 \| good	0.424 \| good	7.713 \| good	0.177 \| good
2026-04-13T07:00:00.000Z	23 \| good	1.385 \| good	5.138 \| good	25.461 \| good	0.458 \| good	8.213 \| good	0.181 \| good
2026-04-13T08:00:00.000Z	22 \| good	1.402 \| good	5.191 \| good	24.133 \| good	0.492 \| good	8.713 \| good	0.184 \| good
2026-04-13T09:00:00.000Z	19 \| good	2.962 \| good	12.053 \| good	21.497 \| good	0.526 \| good	9.213 \| good	0.188 \| good
2026-04-13T10:00:00.000Z	19 \| good	3.016 \| good	12.121 \| good	20.644 \| good	0.498 \| good	8.833 \| good	0.185 \| good
2026-04-13T11:00:00.000Z	19 \| good	3.298 \| good	14.768 \| good	21.156 \| good	0.471 \| good	8.453 \| good	0.183 \| good
2026-04-13T12:00:00.000Z	16 \| good	2.81 \| good	11.837 \| good	16.608 \| good	0.443 \| good	8.073 \| good	0.18 \| good
2026-04-13T13:00:00.000Z	16 \| good	0.347 \| good	1.167 \| good	16.544 \| good	0.378 \| good	7.071 \| good	0.183 \| good
2026-04-13T14:00:00.000Z	19 \| good	2.666 \| good	10.88 \| good	19.78 \| good	0.314 \| good	6.07 \| good	0.185 \| good
2026-04-13T15:00:00.000Z	27 \| good	5.271 \| good	22.768 \| good	23.912 \| good	0.25 \| good	5.068 \| good	0.187 \| good
2026-04-13T16:00:00.000Z	27 \| good	4.544 \| good	19.866 \| good	26.673 \| good	0.259 \| good	3.727 \| good	0.168 \| good
2026-04-13T17:00:00.000Z	26 \| good	2.312 \| good	9.894 \| good	28.282 \| good	0.268 \| good	2.386 \| good	0.15 \| good
2026-04-13T18:00:00.000Z	25 \| good	1.563 \| good	6.107 \| good	26.667 \| good	0.277 \| good	1.045 \| good	0.131 \| good
2026-04-13T19:00:00.000Z	28 \| good	0.571 \| good	2.055 \| good	29.917 \| good	0.255 \| good	0.934 \| good	0.129 \| good
2026-04-13T20:00:00.000Z	31 \| good	0.391 \| good	1.114 \| good	32.788 \| good	0.233 \| good	0.823 \| good	0.127 \| good
2026-04-13T21:00:00.000Z	32 \| good	0.77 \| good	3.048 \| good	34.553 \| good	0.211 \| good	0.712 \| good	0.125 \| good
2026-04-13T22:00:00.000Z	32 \| good	2.673 \| good	10.97 \| good	35.288 \| good	0.253 \| good	0.813 \| good	0.126 \| good
2026-04-13T23:00:00.000Z	35 \| good	2.357 \| good	10.03 \| good	38.408 \| good	0.295 \| good	0.913 \| good	0.127 \| good
2026-04-14T00:00:00.000Z	35 \| good	2.817 \| good	12.008 \| good	38.26 \| good	0.337 \| good	1.014 \| good	0.127 \| good
2026-04-14T01:00:00.000Z	34 \| good	2.253 \| good	9.197 \| good	36.839 \| good	0.424 \| good	1.669 \| good	0.133 \| good
2026-04-14T02:00:00.000Z	33 \| good	3.954 \| good	17.136 \| good	36.155 \| good	0.511 \| good	2.325 \| good	0.138 \| good
2026-04-14T03:00:00.000Z	31 \| good	4.105 \| good	18.008 \| good	33.76 \| good	0.598 \| good	2.98 \| good	0.143 \| good
2026-04-14T04:00:00.000Z	30 \| good	3.161 \| good	13.969 \| good	31.54 \| good	0.631 \| good	3.879 \| good	0.149 \| good
2026-04-14T05:00:00.000Z	27 \| good	3.432 \| good	15.014 \| good	29.09 \| good	0.663 \| good	4.778 \| good	0.154 \| good
2026-04-14T06:00:00.000Z	33 \| good	6.389 \| good	7.906 \| good	29.322 \| good	0.696 \| good	5.695 \| good	0.16 \| good
2026-04-14T07:00:00.000Z	26 \| good	3.526 \| good	15.837 \| good	27.59 \| good	0.684 \| good	5.89 \| good	0.162 \| good

Hollister

Empower business decisions with accurate air quality data

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

0.25ppm

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 Hollister, California get updated?

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

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

Hollister, California experienced its worst air quality at 06:00:00, 2026-04-12.

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

The best air quality in Hollister, California was observed at 02:00:00 on 2026-04-11.

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

The air quality in Hollister, California right now is Good, with an AQI of 37.

What pollutant is most frequently found in Hollister, California?

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

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

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

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

Hollister, California currently has a PM_2.5 concentration of 4.318 μg/m³.

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

Hollister, California currently has a PM₁₀ concentration of 18.615 μg/m³.

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

The current carbon monoxide (CO) level in Hollister, California is 0.261 ppm.

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

The current sulfur dioxide (SO₂) concentration in Hollister, California is 0.466 ppb.

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

Hollister, California currently has an ozone (O₃) concentration of 39.574 ppm.

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

The current level of nitrogen dioxide (NO₂) in Hollister, California is 2.836 ppb.

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