What is the current concentration of PM10 in Hayward, California?

The current PM10 concentration at Hayward, California is 32.08 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Hayward, California?

The current sulfur dioxide (SO2) concentration at Hayward, California is 0.372 ppb.

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

The current ozone (O3) concentration at Hayward, California is 42.544 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Hayward, California?

The current nitrogen dioxide (NO2) concentration at Hayward, California is 3.554 ppb.

Hayward, California live air quality index now

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

The current PM2.5 concentration at Hayward, California is 7.993 μg/m3.

Stay updated with real-time air quality in Hayward, 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

Hayward, California

Last updated: ... (Local time)

Major air pollutants in Hayward, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.66 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.00 μg/m³

155

255

425

605+

Ozone (O₃)

40.73 ppb

201

201+

Sulfur Dioxide (SO₂)

0.59 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.11 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Hayward, California

Get Live Pollen Counts

Hayward, California

Scroll To Air Quality Map

Track live Hayward, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-23T21:00:00.000Z	31 \| good	3.878 \| good	15.206 \| good	32.746 \| good	0.503 \| good	6.313 \| good	0.314 \| good
2026-04-23T22:00:00.000Z	32 \| good	3.461 \| good	17.019 \| good	34.799 \| good	0.489 \| good	5.729 \| good	0.314 \| good
2026-04-23T23:00:00.000Z	35 \| good	3.254 \| good	21.14 \| good	38.484 \| good	0.374 \| good	6.815 \| good	0.331 \| good
2026-04-24T00:00:00.000Z	38 \| good	4.096 \| good	20.741 \| good	40.832 \| good	0.435 \| good	4.434 \| good	0.3 \| good
2026-04-24T01:00:00.000Z	37 \| good	4.135 \| good	13.427 \| good	40.496 \| good	0.431 \| good	3.911 \| good	0.298 \| good
2026-04-24T02:00:00.000Z	37 \| good	3.058 \| good	10.815 \| good	39.699 \| good	0.425 \| good	2.814 \| good	0.268 \| good
2026-04-24T03:00:00.000Z	30 \| good	4.54 \| good	19.914 \| good	32.373 \| good	1.079 \| good	10.576 \| good	0.181 \| good
2026-04-24T04:00:00.000Z	35 \| good	2.622 \| good	9.385 \| good	38.237 \| good	0.424 \| good	5.568 \| good	0.272 \| good
2026-04-24T05:00:00.000Z	33 \| good	3.695 \| good	17.328 \| good	36.245 \| good	0.493 \| good	8.086 \| good	0.287 \| good
2026-04-24T06:00:00.000Z	34 \| good	6.09 \| good	22.813 \| good	37.185 \| good	0.509 \| good	8.122 \| good	0.298 \| good
2026-04-24T07:00:00.000Z	34 \| good	5.672 \| good	23.371 \| good	36.992 \| good	0.581 \| good	9.782 \| good	0.3 \| good
2026-04-24T08:00:00.000Z	34 \| good	6.276 \| good	28.207 \| good	36.937 \| good	0.391 \| good	7.55 \| good	0.269 \| good
2026-04-24T09:00:00.000Z	34 \| good	5.322 \| good	19.551 \| good	36.737 \| good	0.414 \| good	3.493 \| good	0.269 \| good
2026-04-24T10:00:00.000Z	33 \| good	6.136 \| good	26.364 \| good	35.388 \| good	0.376 \| good	3.525 \| good	0.24 \| good
2026-04-24T11:00:00.000Z	44 \| good	8.086 \| good	30.233 \| good	34.284 \| good	0.347 \| good	3.609 \| good	0.269 \| good
2026-04-24T12:00:00.000Z	33 \| good	5.878 \| good	23.427 \| good	34.592 \| good	0.364 \| good	4.023 \| good	0.269 \| good
2026-04-24T13:00:00.000Z	35 \| good	6.158 \| good	28.963 \| good	37.988 \| good	0.397 \| good	4.554 \| good	0.269 \| good
2026-04-24T14:00:00.000Z	36 \| good	5.53 \| good	24.927 \| good	38.505 \| good	0.469 \| good	8.875 \| good	0.298 \| good
2026-04-24T15:00:00.000Z	35 \| good	6.085 \| good	25.21 \| good	37.691 \| good	0.39 \| good	8.99 \| good	0.298 \| good
2026-04-24T16:00:00.000Z	44 \| good	7.656 \| good	29.861 \| good	38.153 \| good	0.511 \| good	7.922 \| good	0.329 \| good
2026-04-24T17:00:00.000Z	38 \| good	7.096 \| good	29.622 \| good	40.479 \| good	0.465 \| good	4.5 \| good	0.298 \| good
2026-04-24T18:00:00.000Z	39 \| good	7.095 \| good	31.175 \| good	42.117 \| good	0.423 \| good	5.264 \| good	0.314 \| good
2026-04-24T19:00:00.000Z	49 \| good	8.908 \| good	40.332 \| good	41.237 \| good	0.29 \| good	5.616 \| good	0.3 \| good
2026-04-24T20:00:00.000Z	52 \| moderate	10.084 \| good	40.203 \| good	42.275 \| good	0.293 \| good	5.294 \| good	0.301 \| good
2026-04-24T21:00:00.000Z	49 \| good	8.702 \| good	29.315 \| good	42.369 \| good	0.379 \| good	4.392 \| good	0.3 \| good
2026-04-24T22:00:00.000Z	52 \| moderate	9.557 \| good	40.263 \| good	43.315 \| good	0.369 \| good	4.753 \| good	0.3 \| good
2026-04-24T23:00:00.000Z	49 \| good	9.169 \| good	43.12 \| good	42.463 \| good	0.284 \| good	3.767 \| good	0.3 \| good
2026-04-25T00:00:00.000Z	52 \| moderate	9.509 \| good	40.723 \| good	41.387 \| good	0.397 \| good	2.926 \| good	0.285 \| good
2026-04-25T01:00:00.000Z	49 \| good	9.022 \| good	39.132 \| good	39.858 \| good	0.38 \| good	3.303 \| good	0.315 \| good
2026-04-25T02:00:00.000Z	49 \| good	8.889 \| good	35.238 \| good	39.947 \| good	0.279 \| good	3.089 \| good	0.298 \| good
2026-04-25T03:00:00.000Z	44 \| good	7.744 \| good	29.998 \| good	39.553 \| good	0.412 \| good	2.343 \| good	0.314 \| good
2026-04-25T04:00:00.000Z	38 \| good	6.935 \| good	26.917 \| good	38.79 \| good	0.435 \| good	2.383 \| good	0.283 \| good
2026-04-25T05:00:00.000Z	44 \| good	7.877 \| good	25.508 \| good	38.631 \| good	0.39 \| good	2.601 \| good	0.269 \| good
2026-04-25T06:00:00.000Z	49 \| good	8.522 \| good	30.084 \| good	39.27 \| good	0.37 \| good	2.843 \| good	0.269 \| good
2026-04-25T07:00:00.000Z	44 \| good	7.809 \| good	37.157 \| good	40.065 \| good	0.287 \| good	2.705 \| good	0.269 \| good
2026-04-25T08:00:00.000Z	44 \| good	8.082 \| good	39.576 \| good	38.35 \| good	0.305 \| good	2.323 \| good	0.269 \| good
2026-04-25T09:00:00.000Z	35 \| good	6.299 \| good	25.268 \| good	38.461 \| good	0.305 \| good	2.248 \| good	0.269 \| good
2026-04-25T10:00:00.000Z	38 \| good	7.163 \| good	23.708 \| good	38.484 \| good	0.468 \| good	1.59 \| good	0.144 \| good
2026-04-25T11:00:00.000Z	36 \| good	5.294 \| good	18.618 \| good	38.862 \| good	0.538 \| good	1.73 \| good	0.131 \| good
2026-04-25T12:00:00.000Z	38 \| good	7.039 \| good	22.94 \| good	35.618 \| good	0.215 \| good	1.547 \| good	0.236 \| good
2026-04-25T13:00:00.000Z	38 \| good	6.225 \| good	30.387 \| good	41.084 \| good	0.382 \| good	1.525 \| good	0.224 \| good
2026-04-25T14:00:00.000Z	40 \| good	6.205 \| good	26.887 \| good	43.002 \| good	0.495 \| good	2.521 \| good	0.24 \| good
2026-04-25T15:00:00.000Z	40 \| good	6.883 \| good	32.731 \| good	43.393 \| good	0.382 \| good	3.422 \| good	0.24 \| good
2026-04-25T16:00:00.000Z	44 \| good	7.993 \| good	32.08 \| good	42.544 \| good	0.372 \| good	3.554 \| good	0.269 \| good
2026-04-25T17:00:00.000Z	38 \| good	7.185 \| good	35.404 \| good	41.382 \| good	0.549 \| good	3.298 \| good	0.269 \| good
2026-04-25T18:00:00.000Z	37 \| good	6.001 \| good	24.934 \| good	40.455 \| good	0.584 \| good	1.918 \| good	0.269 \| good
2026-04-25T19:00:00.000Z	44 \| good	7.664 \| good	31.997 \| good	40.731 \| good	0.588 \| good	2.106 \| good	0.269 \| good
2026-04-25T20:00:00.000Z	49 \| good	8.83 \| good	39.862 \| good	40.85 \| good	0.714 \| good	2.216 \| good	0.283 \| good
2026-04-25T20:00:00.000Z	44 \| good	7.664 \| good	31.997 \| good	40.731 \| good	0.588 \| good	2.106 \| good	0.269 \| good
2026-04-25T18:00:00.000Z	38 \| good	4.939 \| good	21.137 \| good	40.639 \| good	0.653 \| good	2.893 \| good	0.128 \| good
2026-04-25T19:00:00.000Z	39 \| good	5.166 \| good	22.372 \| good	42.253 \| good	0.64 \| good	2.747 \| good	0.127 \| good
2026-04-25T20:00:00.000Z	38 \| good	5.055 \| good	21.927 \| good	41.129 \| good	0.626 \| good	2.601 \| good	0.126 \| good
2026-04-25T21:00:00.000Z	39 \| good	4.876 \| good	20.972 \| good	41.511 \| good	0.613 \| good	2.455 \| good	0.125 \| good
2026-04-25T22:00:00.000Z	37 \| good	4.918 \| good	21.245 \| good	39.995 \| good	0.581 \| good	2.465 \| good	0.125 \| good
2026-04-25T23:00:00.000Z	37 \| good	4.442 \| good	19.183 \| good	40.327 \| good	0.55 \| good	2.475 \| good	0.124 \| good
2026-04-26T00:00:00.000Z	40 \| good	4.623 \| good	19.844 \| good	42.507 \| good	0.518 \| good	2.484 \| good	0.124 \| good
2026-04-26T01:00:00.000Z	41 \| good	4.371 \| good	19.061 \| good	44.145 \| good	0.521 \| good	3.196 \| good	0.127 \| good
2026-04-26T02:00:00.000Z	38 \| good	5.341 \| good	22.995 \| good	40.814 \| good	0.524 \| good	3.908 \| good	0.131 \| good
2026-04-26T03:00:00.000Z	37 \| good	5.173 \| good	22.113 \| good	40.215 \| good	0.527 \| good	4.62 \| good	0.134 \| good
2026-04-26T04:00:00.000Z	36 \| good	5.153 \| good	22.201 \| good	39.183 \| good	0.621 \| good	5.291 \| good	0.137 \| good
2026-04-26T05:00:00.000Z	36 \| good	5.089 \| good	22.177 \| good	39.049 \| good	0.715 \| good	5.963 \| good	0.139 \| good
2026-04-26T06:00:00.000Z	34 \| good	4.797 \| good	20.716 \| good	37.212 \| good	0.809 \| good	6.634 \| good	0.141 \| good
2026-04-26T07:00:00.000Z	31 \| good	4.382 \| good	19.085 \| good	34.432 \| good	0.825 \| good	7.191 \| good	0.145 \| good
2026-04-26T08:00:00.000Z	33 \| good	5.632 \| good	24.755 \| good	32.344 \| good	0.841 \| good	7.748 \| good	0.15 \| good
2026-04-26T09:00:00.000Z	29 \| good	5.338 \| good	23.054 \| good	31.308 \| good	0.857 \| good	8.306 \| good	0.154 \| good
2026-04-26T10:00:00.000Z	31 \| good	4.852 \| good	21.162 \| good	33.42 \| good	0.871 \| good	7.8 \| good	0.151 \| good
2026-04-26T11:00:00.000Z	32 \| good	3.763 \| good	16.742 \| good	34.934 \| good	0.885 \| good	7.294 \| good	0.149 \| good
2026-04-26T12:00:00.000Z	32 \| good	3.207 \| good	13.94 \| good	34.737 \| good	0.899 \| good	6.788 \| good	0.147 \| good
2026-04-26T13:00:00.000Z	32 \| good	3.314 \| good	14.352 \| good	35.032 \| good	0.92 \| good	6.541 \| good	0.148 \| good
2026-04-26T14:00:00.000Z	31 \| good	4.553 \| good	19.986 \| good	33.409 \| good	0.941 \| good	6.295 \| good	0.15 \| good
2026-04-26T15:00:00.000Z	33 \| good	5.617 \| good	24.085 \| good	35.639 \| good	0.962 \| good	6.048 \| good	0.151 \| good
2026-04-26T16:00:00.000Z	37 \| good	6.405 \| good	28.691 \| good	40.162 \| good	0.896 \| good	4.924 \| good	0.147 \| good
2026-04-26T17:00:00.000Z	42 \| good	6.845 \| good	30.156 \| good	45.006 \| good	0.831 \| good	3.799 \| good	0.143 \| good
2026-04-26T18:00:00.000Z	43 \| good	6.962 \| good	30.811 \| good	45.549 \| good	0.766 \| good	2.674 \| good	0.139 \| good
2026-04-26T19:00:00.000Z	43 \| good	6.825 \| good	29.99 \| good	46.086 \| good	0.722 \| good	2.223 \| good	0.136 \| good
2026-04-26T20:00:00.000Z	44 \| good	6.663 \| good	29.705 \| good	47.48 \| good	0.678 \| good	1.771 \| good	0.133 \| good
2026-04-26T21:00:00.000Z	46 \| good	5.862 \| good	25.96 \| good	50.096 \| good	0.633 \| good	1.32 \| good	0.13 \| good
2026-04-26T22:00:00.000Z	47 \| good	5.769 \| good	25.14 \| good	51.134 \| good	0.619 \| good	1.414 \| good	0.129 \| good
2026-04-26T23:00:00.000Z	47 \| good	5.529 \| good	23.568 \| good	50.996 \| good	0.605 \| good	1.509 \| good	0.129 \| good
2026-04-27T00:00:00.000Z	46 \| good	4.562 \| good	19.872 \| good	50.041 \| good	0.591 \| good	1.603 \| good	0.128 \| good
2026-04-27T01:00:00.000Z	45 \| good	4.572 \| good	19.769 \| good	49.373 \| good	0.614 \| good	2.556 \| good	0.131 \| good
2026-04-27T02:00:00.000Z	44 \| good	4.784 \| good	20.901 \| good	47.201 \| good	0.638 \| good	3.508 \| good	0.135 \| good
2026-04-27T03:00:00.000Z	40 \| good	5.425 \| good	22.977 \| good	42.534 \| good	0.661 \| good	4.461 \| good	0.138 \| good
2026-04-27T04:00:00.000Z	37 \| good	5.859 \| good	25.184 \| good	39.653 \| good	0.777 \| good	6.67 \| good	0.147 \| good
2026-04-27T05:00:00.000Z	34 \| good	5.405 \| good	23.333 \| good	37.002 \| good	0.893 \| good	8.88 \| good	0.156 \| good
2026-04-27T06:00:00.000Z	33 \| good	4.868 \| good	21.037 \| good	35.866 \| good	1.009 \| good	11.09 \| good	0.164 \| good
2026-04-27T07:00:00.000Z	32 \| good	5.077 \| good	21.839 \| good	35.312 \| good	1.002 \| good	11.176 \| good	0.166 \| good
2026-04-27T08:00:00.000Z	33 \| good	6.236 \| good	27.31 \| good	33.561 \| good	0.995 \| good	11.262 \| good	0.167 \| good
2026-04-27T09:00:00.000Z	33 \| good	6.335 \| good	28.051 \| good	31.236 \| good	0.988 \| good	11.348 \| good	0.168 \| good
2026-04-27T10:00:00.000Z	38 \| good	7.281 \| good	31.888 \| good	28.824 \| good	0.963 \| good	10.835 \| good	0.164 \| good
2026-04-27T11:00:00.000Z	38 \| good	7.405 \| good	32.613 \| good	28.299 \| good	0.938 \| good	10.321 \| good	0.161 \| good
2026-04-27T12:00:00.000Z	44 \| good	7.87 \| good	34.72 \| good	25.619 \| good	0.914 \| good	9.808 \| good	0.157 \| good
2026-04-27T13:00:00.000Z	44 \| good	8.498 \| good	37.348 \| good	26.154 \| good	0.96 \| good	9.735 \| good	0.163 \| good
2026-04-27T14:00:00.000Z	44 \| good	8.071 \| good	35.35 \| good	28.59 \| good	1.007 \| good	9.662 \| good	0.169 \| good
2026-04-27T15:00:00.000Z	38 \| good	7.16 \| good	31.643 \| good	34.948 \| good	1.054 \| good	9.589 \| good	0.174 \| good
2026-04-27T16:00:00.000Z	38 \| good	6.126 \| good	27.18 \| good	40.662 \| good	0.967 \| good	7.245 \| good	0.159 \| good
2026-04-27T17:00:00.000Z	39 \| good	7.293 \| good	32 \| good	41.818 \| good	0.88 \| good	4.902 \| good	0.143 \| good

Hayward

Get reliable air quality data to drive your business

Hayward, California air quality map: Track AQI near you

0.26ppm

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 Hayward, California updated?

The air quality for Hayward, California is updated every hour.

When was the worst air quality at Hayward, California in the last 24 hrs?

The worst air quality in Hayward, California in the last 24 hours was observed at 12:00:00 on 2026-04-25.

When was the best air quality at Hayward, California in the last 24 hrs?

In the last 24 hrs, the best air quality in Hayward, California was observed at 09:00:00 on 2026-04-25.

What is the current air quality in Hayward, California?

The current air quality in Hayward, California is 44, categorized as Good based on real-time data.

What pollutant is the most common in Hayward, California?

The most common pollutant in Hayward, California is PM2.5.

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

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

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

The current PM_2.5 concentration at Hayward, California is 7.993 μg/m³.

What is the current concentration of PM₁₀ in Hayward, California?

The current PM₁₀ concentration at Hayward, California is 32.08 μg/m³.

What is the current concentration of carbon monoxide (CO) in Hayward, California?

The current carbon monoxide (CO) concentration at Hayward, California is 0.269 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Hayward, California?

The current sulfur dioxide (SO₂) concentration at Hayward, California is 0.372 ppb.

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

The current ozone (O₃) concentration at Hayward, California is 42.544 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Hayward, California?

The current nitrogen dioxide (NO₂) concentration at Hayward, California is 3.554 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-23T21:00:00.000Z	31 \| good	3.878 \| good	15.206 \| good	32.746 \| good	0.503 \| good	6.313 \| good	0.314 \| good
2026-04-23T22:00:00.000Z	32 \| good	3.461 \| good	17.019 \| good	34.799 \| good	0.489 \| good	5.729 \| good	0.314 \| good
2026-04-23T23:00:00.000Z	35 \| good	3.254 \| good	21.14 \| good	38.484 \| good	0.374 \| good	6.815 \| good	0.331 \| good
2026-04-24T00:00:00.000Z	38 \| good	4.096 \| good	20.741 \| good	40.832 \| good	0.435 \| good	4.434 \| good	0.3 \| good
2026-04-24T01:00:00.000Z	37 \| good	4.135 \| good	13.427 \| good	40.496 \| good	0.431 \| good	3.911 \| good	0.298 \| good
2026-04-24T02:00:00.000Z	37 \| good	3.058 \| good	10.815 \| good	39.699 \| good	0.425 \| good	2.814 \| good	0.268 \| good
2026-04-24T03:00:00.000Z	30 \| good	4.54 \| good	19.914 \| good	32.373 \| good	1.079 \| good	10.576 \| good	0.181 \| good
2026-04-24T04:00:00.000Z	35 \| good	2.622 \| good	9.385 \| good	38.237 \| good	0.424 \| good	5.568 \| good	0.272 \| good
2026-04-24T05:00:00.000Z	33 \| good	3.695 \| good	17.328 \| good	36.245 \| good	0.493 \| good	8.086 \| good	0.287 \| good
2026-04-24T06:00:00.000Z	34 \| good	6.09 \| good	22.813 \| good	37.185 \| good	0.509 \| good	8.122 \| good	0.298 \| good
2026-04-24T07:00:00.000Z	34 \| good	5.672 \| good	23.371 \| good	36.992 \| good	0.581 \| good	9.782 \| good	0.3 \| good
2026-04-24T08:00:00.000Z	34 \| good	6.276 \| good	28.207 \| good	36.937 \| good	0.391 \| good	7.55 \| good	0.269 \| good
2026-04-24T09:00:00.000Z	34 \| good	5.322 \| good	19.551 \| good	36.737 \| good	0.414 \| good	3.493 \| good	0.269 \| good
2026-04-24T10:00:00.000Z	33 \| good	6.136 \| good	26.364 \| good	35.388 \| good	0.376 \| good	3.525 \| good	0.24 \| good
2026-04-24T11:00:00.000Z	44 \| good	8.086 \| good	30.233 \| good	34.284 \| good	0.347 \| good	3.609 \| good	0.269 \| good
2026-04-24T12:00:00.000Z	33 \| good	5.878 \| good	23.427 \| good	34.592 \| good	0.364 \| good	4.023 \| good	0.269 \| good
2026-04-24T13:00:00.000Z	35 \| good	6.158 \| good	28.963 \| good	37.988 \| good	0.397 \| good	4.554 \| good	0.269 \| good
2026-04-24T14:00:00.000Z	36 \| good	5.53 \| good	24.927 \| good	38.505 \| good	0.469 \| good	8.875 \| good	0.298 \| good
2026-04-24T15:00:00.000Z	35 \| good	6.085 \| good	25.21 \| good	37.691 \| good	0.39 \| good	8.99 \| good	0.298 \| good
2026-04-24T16:00:00.000Z	44 \| good	7.656 \| good	29.861 \| good	38.153 \| good	0.511 \| good	7.922 \| good	0.329 \| good
2026-04-24T17:00:00.000Z	38 \| good	7.096 \| good	29.622 \| good	40.479 \| good	0.465 \| good	4.5 \| good	0.298 \| good
2026-04-24T18:00:00.000Z	39 \| good	7.095 \| good	31.175 \| good	42.117 \| good	0.423 \| good	5.264 \| good	0.314 \| good
2026-04-24T19:00:00.000Z	49 \| good	8.908 \| good	40.332 \| good	41.237 \| good	0.29 \| good	5.616 \| good	0.3 \| good
2026-04-24T20:00:00.000Z	52 \| moderate	10.084 \| good	40.203 \| good	42.275 \| good	0.293 \| good	5.294 \| good	0.301 \| good
2026-04-24T21:00:00.000Z	49 \| good	8.702 \| good	29.315 \| good	42.369 \| good	0.379 \| good	4.392 \| good	0.3 \| good
2026-04-24T22:00:00.000Z	52 \| moderate	9.557 \| good	40.263 \| good	43.315 \| good	0.369 \| good	4.753 \| good	0.3 \| good
2026-04-24T23:00:00.000Z	49 \| good	9.169 \| good	43.12 \| good	42.463 \| good	0.284 \| good	3.767 \| good	0.3 \| good
2026-04-25T00:00:00.000Z	52 \| moderate	9.509 \| good	40.723 \| good	41.387 \| good	0.397 \| good	2.926 \| good	0.285 \| good
2026-04-25T01:00:00.000Z	49 \| good	9.022 \| good	39.132 \| good	39.858 \| good	0.38 \| good	3.303 \| good	0.315 \| good
2026-04-25T02:00:00.000Z	49 \| good	8.889 \| good	35.238 \| good	39.947 \| good	0.279 \| good	3.089 \| good	0.298 \| good
2026-04-25T03:00:00.000Z	44 \| good	7.744 \| good	29.998 \| good	39.553 \| good	0.412 \| good	2.343 \| good	0.314 \| good
2026-04-25T04:00:00.000Z	38 \| good	6.935 \| good	26.917 \| good	38.79 \| good	0.435 \| good	2.383 \| good	0.283 \| good
2026-04-25T05:00:00.000Z	44 \| good	7.877 \| good	25.508 \| good	38.631 \| good	0.39 \| good	2.601 \| good	0.269 \| good
2026-04-25T06:00:00.000Z	49 \| good	8.522 \| good	30.084 \| good	39.27 \| good	0.37 \| good	2.843 \| good	0.269 \| good
2026-04-25T07:00:00.000Z	44 \| good	7.809 \| good	37.157 \| good	40.065 \| good	0.287 \| good	2.705 \| good	0.269 \| good
2026-04-25T08:00:00.000Z	44 \| good	8.082 \| good	39.576 \| good	38.35 \| good	0.305 \| good	2.323 \| good	0.269 \| good
2026-04-25T09:00:00.000Z	35 \| good	6.299 \| good	25.268 \| good	38.461 \| good	0.305 \| good	2.248 \| good	0.269 \| good
2026-04-25T10:00:00.000Z	38 \| good	7.163 \| good	23.708 \| good	38.484 \| good	0.468 \| good	1.59 \| good	0.144 \| good
2026-04-25T11:00:00.000Z	36 \| good	5.294 \| good	18.618 \| good	38.862 \| good	0.538 \| good	1.73 \| good	0.131 \| good
2026-04-25T12:00:00.000Z	38 \| good	7.039 \| good	22.94 \| good	35.618 \| good	0.215 \| good	1.547 \| good	0.236 \| good
2026-04-25T13:00:00.000Z	38 \| good	6.225 \| good	30.387 \| good	41.084 \| good	0.382 \| good	1.525 \| good	0.224 \| good
2026-04-25T14:00:00.000Z	40 \| good	6.205 \| good	26.887 \| good	43.002 \| good	0.495 \| good	2.521 \| good	0.24 \| good
2026-04-25T15:00:00.000Z	40 \| good	6.883 \| good	32.731 \| good	43.393 \| good	0.382 \| good	3.422 \| good	0.24 \| good
2026-04-25T16:00:00.000Z	44 \| good	7.993 \| good	32.08 \| good	42.544 \| good	0.372 \| good	3.554 \| good	0.269 \| good
2026-04-25T17:00:00.000Z	38 \| good	7.185 \| good	35.404 \| good	41.382 \| good	0.549 \| good	3.298 \| good	0.269 \| good
2026-04-25T18:00:00.000Z	37 \| good	6.001 \| good	24.934 \| good	40.455 \| good	0.584 \| good	1.918 \| good	0.269 \| good
2026-04-25T19:00:00.000Z	44 \| good	7.664 \| good	31.997 \| good	40.731 \| good	0.588 \| good	2.106 \| good	0.269 \| good
2026-04-25T20:00:00.000Z	49 \| good	8.83 \| good	39.862 \| good	40.85 \| good	0.714 \| good	2.216 \| good	0.283 \| good
2026-04-25T20:00:00.000Z	44 \| good	7.664 \| good	31.997 \| good	40.731 \| good	0.588 \| good	2.106 \| good	0.269 \| good
2026-04-25T18:00:00.000Z	38 \| good	4.939 \| good	21.137 \| good	40.639 \| good	0.653 \| good	2.893 \| good	0.128 \| good
2026-04-25T19:00:00.000Z	39 \| good	5.166 \| good	22.372 \| good	42.253 \| good	0.64 \| good	2.747 \| good	0.127 \| good
2026-04-25T20:00:00.000Z	38 \| good	5.055 \| good	21.927 \| good	41.129 \| good	0.626 \| good	2.601 \| good	0.126 \| good
2026-04-25T21:00:00.000Z	39 \| good	4.876 \| good	20.972 \| good	41.511 \| good	0.613 \| good	2.455 \| good	0.125 \| good
2026-04-25T22:00:00.000Z	37 \| good	4.918 \| good	21.245 \| good	39.995 \| good	0.581 \| good	2.465 \| good	0.125 \| good
2026-04-25T23:00:00.000Z	37 \| good	4.442 \| good	19.183 \| good	40.327 \| good	0.55 \| good	2.475 \| good	0.124 \| good
2026-04-26T00:00:00.000Z	40 \| good	4.623 \| good	19.844 \| good	42.507 \| good	0.518 \| good	2.484 \| good	0.124 \| good
2026-04-26T01:00:00.000Z	41 \| good	4.371 \| good	19.061 \| good	44.145 \| good	0.521 \| good	3.196 \| good	0.127 \| good
2026-04-26T02:00:00.000Z	38 \| good	5.341 \| good	22.995 \| good	40.814 \| good	0.524 \| good	3.908 \| good	0.131 \| good
2026-04-26T03:00:00.000Z	37 \| good	5.173 \| good	22.113 \| good	40.215 \| good	0.527 \| good	4.62 \| good	0.134 \| good
2026-04-26T04:00:00.000Z	36 \| good	5.153 \| good	22.201 \| good	39.183 \| good	0.621 \| good	5.291 \| good	0.137 \| good
2026-04-26T05:00:00.000Z	36 \| good	5.089 \| good	22.177 \| good	39.049 \| good	0.715 \| good	5.963 \| good	0.139 \| good
2026-04-26T06:00:00.000Z	34 \| good	4.797 \| good	20.716 \| good	37.212 \| good	0.809 \| good	6.634 \| good	0.141 \| good
2026-04-26T07:00:00.000Z	31 \| good	4.382 \| good	19.085 \| good	34.432 \| good	0.825 \| good	7.191 \| good	0.145 \| good
2026-04-26T08:00:00.000Z	33 \| good	5.632 \| good	24.755 \| good	32.344 \| good	0.841 \| good	7.748 \| good	0.15 \| good
2026-04-26T09:00:00.000Z	29 \| good	5.338 \| good	23.054 \| good	31.308 \| good	0.857 \| good	8.306 \| good	0.154 \| good
2026-04-26T10:00:00.000Z	31 \| good	4.852 \| good	21.162 \| good	33.42 \| good	0.871 \| good	7.8 \| good	0.151 \| good
2026-04-26T11:00:00.000Z	32 \| good	3.763 \| good	16.742 \| good	34.934 \| good	0.885 \| good	7.294 \| good	0.149 \| good
2026-04-26T12:00:00.000Z	32 \| good	3.207 \| good	13.94 \| good	34.737 \| good	0.899 \| good	6.788 \| good	0.147 \| good
2026-04-26T13:00:00.000Z	32 \| good	3.314 \| good	14.352 \| good	35.032 \| good	0.92 \| good	6.541 \| good	0.148 \| good
2026-04-26T14:00:00.000Z	31 \| good	4.553 \| good	19.986 \| good	33.409 \| good	0.941 \| good	6.295 \| good	0.15 \| good
2026-04-26T15:00:00.000Z	33 \| good	5.617 \| good	24.085 \| good	35.639 \| good	0.962 \| good	6.048 \| good	0.151 \| good
2026-04-26T16:00:00.000Z	37 \| good	6.405 \| good	28.691 \| good	40.162 \| good	0.896 \| good	4.924 \| good	0.147 \| good
2026-04-26T17:00:00.000Z	42 \| good	6.845 \| good	30.156 \| good	45.006 \| good	0.831 \| good	3.799 \| good	0.143 \| good
2026-04-26T18:00:00.000Z	43 \| good	6.962 \| good	30.811 \| good	45.549 \| good	0.766 \| good	2.674 \| good	0.139 \| good
2026-04-26T19:00:00.000Z	43 \| good	6.825 \| good	29.99 \| good	46.086 \| good	0.722 \| good	2.223 \| good	0.136 \| good
2026-04-26T20:00:00.000Z	44 \| good	6.663 \| good	29.705 \| good	47.48 \| good	0.678 \| good	1.771 \| good	0.133 \| good
2026-04-26T21:00:00.000Z	46 \| good	5.862 \| good	25.96 \| good	50.096 \| good	0.633 \| good	1.32 \| good	0.13 \| good
2026-04-26T22:00:00.000Z	47 \| good	5.769 \| good	25.14 \| good	51.134 \| good	0.619 \| good	1.414 \| good	0.129 \| good
2026-04-26T23:00:00.000Z	47 \| good	5.529 \| good	23.568 \| good	50.996 \| good	0.605 \| good	1.509 \| good	0.129 \| good
2026-04-27T00:00:00.000Z	46 \| good	4.562 \| good	19.872 \| good	50.041 \| good	0.591 \| good	1.603 \| good	0.128 \| good
2026-04-27T01:00:00.000Z	45 \| good	4.572 \| good	19.769 \| good	49.373 \| good	0.614 \| good	2.556 \| good	0.131 \| good
2026-04-27T02:00:00.000Z	44 \| good	4.784 \| good	20.901 \| good	47.201 \| good	0.638 \| good	3.508 \| good	0.135 \| good
2026-04-27T03:00:00.000Z	40 \| good	5.425 \| good	22.977 \| good	42.534 \| good	0.661 \| good	4.461 \| good	0.138 \| good
2026-04-27T04:00:00.000Z	37 \| good	5.859 \| good	25.184 \| good	39.653 \| good	0.777 \| good	6.67 \| good	0.147 \| good
2026-04-27T05:00:00.000Z	34 \| good	5.405 \| good	23.333 \| good	37.002 \| good	0.893 \| good	8.88 \| good	0.156 \| good
2026-04-27T06:00:00.000Z	33 \| good	4.868 \| good	21.037 \| good	35.866 \| good	1.009 \| good	11.09 \| good	0.164 \| good
2026-04-27T07:00:00.000Z	32 \| good	5.077 \| good	21.839 \| good	35.312 \| good	1.002 \| good	11.176 \| good	0.166 \| good
2026-04-27T08:00:00.000Z	33 \| good	6.236 \| good	27.31 \| good	33.561 \| good	0.995 \| good	11.262 \| good	0.167 \| good
2026-04-27T09:00:00.000Z	33 \| good	6.335 \| good	28.051 \| good	31.236 \| good	0.988 \| good	11.348 \| good	0.168 \| good
2026-04-27T10:00:00.000Z	38 \| good	7.281 \| good	31.888 \| good	28.824 \| good	0.963 \| good	10.835 \| good	0.164 \| good
2026-04-27T11:00:00.000Z	38 \| good	7.405 \| good	32.613 \| good	28.299 \| good	0.938 \| good	10.321 \| good	0.161 \| good
2026-04-27T12:00:00.000Z	44 \| good	7.87 \| good	34.72 \| good	25.619 \| good	0.914 \| good	9.808 \| good	0.157 \| good
2026-04-27T13:00:00.000Z	44 \| good	8.498 \| good	37.348 \| good	26.154 \| good	0.96 \| good	9.735 \| good	0.163 \| good
2026-04-27T14:00:00.000Z	44 \| good	8.071 \| good	35.35 \| good	28.59 \| good	1.007 \| good	9.662 \| good	0.169 \| good
2026-04-27T15:00:00.000Z	38 \| good	7.16 \| good	31.643 \| good	34.948 \| good	1.054 \| good	9.589 \| good	0.174 \| good
2026-04-27T16:00:00.000Z	38 \| good	6.126 \| good	27.18 \| good	40.662 \| good	0.967 \| good	7.245 \| good	0.159 \| good
2026-04-27T17:00:00.000Z	39 \| good	7.293 \| good	32 \| good	41.818 \| good	0.88 \| good	4.902 \| good	0.143 \| good

Hayward, California live air quality index now

Major air pollutants in Hayward, 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

Cherryland, California

Fairview, California

Castro Valley, California

Ashland, California

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Union City, 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 Hayward, California?

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