What are the current PM10 levels at Modesto, California?

The current PM10 levels in Modesto, California are 27.999 μg/m3.

What are the current sulfur dioxide (SO2) levels at Modesto, California?

The current sulfur dioxide (SO2) levels in Modesto, California are 0.761 ppb.

What are the current ozone (O3) levels at Modesto, California?

The current ozone (O3) levels at Modesto, California is 8.003 ppm.

What are the current nitrogen dioxide (NO2) levels at Modesto, California?

The current nitrogen dioxide (NO2) levels at Modesto, California is 12.287 ppb.

Real-time air quality index in Modesto, California today

Q: What are the current PM2.5 levels in Modesto, California?

The measured PM2.5 levels in Modesto, California at present are 11.996 μg/m3.

Stay updated with real-time air quality in Modesto, 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

Modesto, California

Last updated: ... (Local time)

Common air pollutants in Modesto, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

17.89 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.98 μg/m³

155

255

425

605+

Ozone (O₃)

13.01 ppb

201

201+

Sulfur Dioxide (SO₂)

0.75 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.43 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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Modesto, California

Scroll To Air Quality Map

Track live Modesto, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T21:00:00.000Z	38 \| good	6.614 \| good	14.489 \| good	30.289 \| good	0.618 \| good	2.673 \| good	0.268 \| good
2026-03-07T22:00:00.000Z	33 \| good	6.32 \| good	13.557 \| good	36.161 \| good	0.655 \| good	2.629 \| good	0.268 \| good
2026-03-07T23:00:00.000Z	36 \| good	5.321 \| good	15.829 \| good	39.416 \| good	0.643 \| good	2.425 \| good	0.268 \| good
2026-03-08T00:00:00.000Z	38 \| good	4.467 \| good	12.146 \| good	40.613 \| good	0.66 \| good	2.069 \| good	0.268 \| good
2026-03-08T01:00:00.000Z	36 \| good	6.002 \| good	15.731 \| good	39.032 \| good	0.574 \| good	2.151 \| good	0.248 \| good
2026-03-08T02:00:00.000Z	49 \| good	8.733 \| good	19.172 \| good	39.609 \| good	0.635 \| good	2.269 \| good	0.287 \| good
2026-03-08T03:00:00.000Z	60 \| moderate	14.272 \| fine	63.418 \| fine	15.57 \| good	0.782 \| good	15.699 \| good	0.254 \| good
2026-03-08T04:00:00.000Z	49 \| good	8.745 \| good	23.853 \| good	39.392 \| good	0.651 \| good	7.726 \| good	0.313 \| good
2026-03-08T05:00:00.000Z	54 \| moderate	11.125 \| good	26.135 \| good	34.55 \| good	0.804 \| good	7.351 \| good	0.33 \| good
2026-03-08T06:00:00.000Z	60 \| moderate	14.171 \| fine	29.537 \| good	32.197 \| good	0.889 \| good	7.161 \| good	0.348 \| good
2026-03-08T07:00:00.000Z	64 \| moderate	15.746 \| fine	32.922 \| good	28.719 \| good	0.865 \| good	7.196 \| good	0.467 \| good
2026-03-08T08:00:00.000Z	64 \| moderate	15.7 \| fine	33.467 \| good	25.274 \| good	0.858 \| good	6.627 \| good	0.468 \| good
2026-03-08T09:00:00.000Z	62 \| moderate	15.129 \| fine	29.274 \| good	19.958 \| good	0.833 \| good	12.654 \| good	0.451 \| good
2026-03-08T10:00:00.000Z	60 \| moderate	14.265 \| fine	25.811 \| good	19.627 \| good	0.344 \| good	10.679 \| good	0.238 \| good
2026-03-08T11:00:00.000Z	60 \| moderate	13.857 \| fine	21.792 \| good	18.851 \| good	0.383 \| good	6.843 \| good	0.2 \| good
2026-03-08T12:00:00.000Z	58 \| moderate	12.985 \| fine	23.164 \| good	17.134 \| good	0.246 \| good	6.208 \| good	0.375 \| good
2026-03-08T13:00:00.000Z	60 \| moderate	14.13 \| fine	21.496 \| good	14.539 \| good	0.71 \| good	6.482 \| good	0.292 \| good
2026-03-08T14:00:00.000Z	58 \| moderate	13.088 \| fine	21.162 \| good	14.664 \| good	0.726 \| good	4.768 \| good	0.382 \| good
2026-03-08T15:00:00.000Z	58 \| moderate	13.363 \| fine	22.029 \| good	15.093 \| good	0.762 \| good	7.141 \| good	0.302 \| good
2026-03-08T16:00:00.000Z	58 \| moderate	13.22 \| fine	22.11 \| good	14.224 \| good	0.711 \| good	8.255 \| good	0.35 \| good
2026-03-08T17:00:00.000Z	56 \| moderate	12.01 \| good	22.675 \| good	19.263 \| good	0.711 \| good	6.483 \| good	0.423 \| good
2026-03-08T18:00:00.000Z	56 \| moderate	12.019 \| good	25.837 \| good	21.053 \| good	0.936 \| good	4.103 \| good	0.345 \| good
2026-03-08T19:00:00.000Z	58 \| moderate	12.944 \| fine	26.466 \| good	24.649 \| good	1.046 \| good	3.764 \| good	0.341 \| good
2026-03-08T20:00:00.000Z	54 \| moderate	10.575 \| good	25.573 \| good	30.457 \| good	1.112 \| good	3.199 \| good	0.321 \| good
2026-03-08T21:00:00.000Z	44 \| good	7.869 \| good	24.839 \| good	35.547 \| good	1.183 \| good	2.296 \| good	0.322 \| good
2026-03-08T22:00:00.000Z	38 \| good	6.299 \| good	23.3 \| good	41.255 \| good	1.131 \| good	2.044 \| good	0.287 \| good
2026-03-08T23:00:00.000Z	41 \| good	5.29 \| good	20.376 \| good	44.123 \| good	0.97 \| good	2.732 \| good	0.287 \| good
2026-03-09T00:00:00.000Z	41 \| good	5.811 \| good	19.972 \| good	43.598 \| good	0.836 \| good	2.716 \| good	0.287 \| good
2026-03-09T01:00:00.000Z	41 \| good	5.456 \| good	19.076 \| good	44.466 \| good	0.831 \| good	3.573 \| good	0.307 \| good
2026-03-09T02:00:00.000Z	41 \| good	5.337 \| good	17.065 \| good	43.579 \| good	0.821 \| good	4.263 \| good	0.307 \| good
2026-03-09T03:00:00.000Z	56 \| moderate	12.107 \| fine	54.317 \| good	23.274 \| good	0.712 \| good	13.728 \| good	0.253 \| good
2026-03-09T04:00:00.000Z	38 \| good	7.311 \| good	16.658 \| good	38.355 \| good	0.719 \| good	9.932 \| good	0.387 \| good
2026-03-09T05:00:00.000Z	44 \| good	7.716 \| good	18.701 \| good	32.951 \| good	0.628 \| good	8.643 \| good	0.429 \| good
2026-03-09T06:00:00.000Z	49 \| good	9.098 \| good	23.261 \| good	29.304 \| good	0.61 \| good	9.213 \| good	0.416 \| good
2026-03-09T07:00:00.000Z	56 \| moderate	12.259 \| fine	26.526 \| good	19.429 \| good	0.577 \| good	11.285 \| good	0.45 \| good
2026-03-09T08:00:00.000Z	58 \| moderate	12.56 \| fine	28.215 \| good	16.888 \| good	0.632 \| good	12.304 \| good	0.411 \| good
2026-03-09T09:00:00.000Z	60 \| moderate	14.128 \| fine	30.783 \| good	10.348 \| good	0.548 \| good	8.778 \| good	0.388 \| good
2026-03-09T10:00:00.000Z	66 \| moderate	16.964 \| fine	31.061 \| good	11.7 \| good	0.467 \| good	7.485 \| good	0.384 \| good
2026-03-09T11:00:00.000Z	60 \| moderate	14.007 \| fine	27.901 \| good	8.936 \| good	0.612 \| good	7.745 \| good	0.33 \| good
2026-03-09T12:00:00.000Z	56 \| moderate	11.956 \| good	20.729 \| good	11.24 \| good	0.6 \| good	7.507 \| good	0.33 \| good
2026-03-09T13:00:00.000Z	54 \| moderate	11.323 \| good	19.537 \| good	11.075 \| good	0.623 \| good	8.193 \| good	0.33 \| good
2026-03-09T14:00:00.000Z	60 \| moderate	13.892 \| fine	23.366 \| good	11.268 \| good	0.772 \| good	10.313 \| good	0.409 \| good
2026-03-09T15:00:00.000Z	52 \| moderate	10.092 \| good	24.752 \| good	9.381 \| good	0.672 \| good	13.359 \| good	0.385 \| good
2026-03-09T16:00:00.000Z	54 \| moderate	11.474 \| good	27.62 \| good	8.196 \| good	0.759 \| good	12.485 \| good	0.478 \| good
2026-03-09T17:00:00.000Z	60 \| moderate	13.563 \| fine	32.533 \| good	10.823 \| good	0.772 \| good	13.171 \| good	0.556 \| good
2026-03-09T18:00:00.000Z	64 \| moderate	16.092 \| fine	36.135 \| good	13.357 \| good	0.811 \| good	8.979 \| good	0.443 \| good
2026-03-09T19:00:00.000Z	64 \| moderate	16.494 \| fine	36.988 \| good	13.941 \| good	0.753 \| good	6.464 \| good	0.423 \| good
2026-03-09T20:00:00.000Z	60 \| moderate	14.117 \| fine	34.589 \| good	20.255 \| good	0.899 \| good	5.207 \| good	0.37 \| good
2026-03-09T20:00:00.000Z	67 \| moderate	17.889 \| fine	39.976 \| good	13.009 \| good	0.749 \| good	6.314 \| good	0.426 \| good
2026-03-09T18:00:00.000Z	54 \| moderate	10.987 \| good	48.658 \| good	32.959 \| good	1.359 \| good	6.811 \| good	0.229 \| good
2026-03-09T19:00:00.000Z	44 \| good	8.431 \| good	37.273 \| good	39.603 \| good	1.389 \| good	6.319 \| good	0.221 \| good
2026-03-09T20:00:00.000Z	49 \| good	9.121 \| good	40.63 \| good	44.039 \| good	1.42 \| good	5.827 \| good	0.212 \| good
2026-03-09T21:00:00.000Z	49 \| good	8.622 \| good	37.824 \| good	47.667 \| good	1.451 \| good	5.334 \| good	0.204 \| good
2026-03-09T22:00:00.000Z	47 \| good	8.299 \| good	36.424 \| good	50.506 \| good	1.425 \| good	5.262 \| good	0.201 \| good
2026-03-09T23:00:00.000Z	49 \| good	8.829 \| good	38.806 \| good	53.236 \| good	1.4 \| good	5.189 \| good	0.197 \| good
2026-03-10T00:00:00.000Z	52 \| moderate	10.036 \| good	44.402 \| good	52.118 \| good	1.374 \| good	5.117 \| good	0.194 \| good
2026-03-10T01:00:00.000Z	50 \| good	7.281 \| good	32.35 \| good	53.884 \| good	1.404 \| good	7.844 \| good	0.212 \| good
2026-03-10T02:00:00.000Z	71 \| moderate	20.32 \| fine	89.184 \| fine	32.465 \| good	1.434 \| good	10.571 \| good	0.229 \| good
2026-03-10T03:00:00.000Z	75 \| moderate	22.401 \| fine	98.077 \| fine	20.458 \| good	1.463 \| good	13.298 \| good	0.247 \| good
2026-03-10T04:00:00.000Z	71 \| moderate	19.885 \| fine	87.857 \| fine	18.18 \| good	1.471 \| good	14.457 \| good	0.25 \| good
2026-03-10T05:00:00.000Z	56 \| moderate	11.723 \| good	52.461 \| good	21.133 \| good	1.479 \| good	15.616 \| good	0.253 \| good
2026-03-10T06:00:00.000Z	58 \| moderate	12.813 \| fine	57.186 \| fine	21.046 \| good	1.488 \| good	16.776 \| good	0.256 \| good
2026-03-10T07:00:00.000Z	84 \| moderate	26.59 \| fine	115.494 \| fine	24.863 \| good	1.356 \| good	16.355 \| good	0.254 \| good
2026-03-10T08:00:00.000Z	79 \| moderate	23.526 \| fine	102.803 \| fine	23.4 \| good	1.224 \| good	15.934 \| good	0.252 \| good
2026-03-10T09:00:00.000Z	71 \| moderate	19.639 \| fine	87.099 \| fine	17.22 \| good	1.092 \| good	15.513 \| good	0.249 \| good
2026-03-10T10:00:00.000Z	52 \| moderate	10.215 \| good	45.503 \| good	23.818 \| good	0.984 \| good	14.109 \| good	0.237 \| good
2026-03-10T11:00:00.000Z	54 \| moderate	11.312 \| good	50.455 \| good	20.287 \| good	0.876 \| good	12.705 \| good	0.224 \| good
2026-03-10T12:00:00.000Z	58 \| moderate	12.794 \| fine	57.545 \| fine	11.142 \| good	0.768 \| good	11.302 \| good	0.212 \| good
2026-03-10T13:00:00.000Z	54 \| moderate	11.222 \| good	50.074 \| good	11.744 \| good	0.729 \| good	10.431 \| good	0.207 \| good
2026-03-10T14:00:00.000Z	66 \| moderate	17.463 \| fine	76.872 \| fine	8.55 \| good	0.69 \| good	9.559 \| good	0.203 \| good
2026-03-10T15:00:00.000Z	58 \| moderate	12.561 \| fine	56.182 \| fine	16.911 \| good	0.651 \| good	8.688 \| good	0.199 \| good
2026-03-10T16:00:00.000Z	49 \| good	8.835 \| good	39.023 \| good	24.829 \| good	0.756 \| good	7.343 \| good	0.189 \| good
2026-03-10T17:00:00.000Z	44 \| good	8.37 \| good	36.76 \| good	28.466 \| good	0.861 \| good	5.998 \| good	0.18 \| good
2026-03-10T18:00:00.000Z	77 \| moderate	22.54 \| fine	98.942 \| fine	31.85 \| good	0.966 \| good	4.653 \| good	0.17 \| good
2026-03-10T19:00:00.000Z	82 \| moderate	26.243 \| fine	113.78 \| fine	37.667 \| good	0.985 \| good	4.231 \| good	0.165 \| good
2026-03-10T20:00:00.000Z	86 \| moderate	27.549 \| fine	119.873 \| fine	42.02 \| good	1.004 \| good	3.809 \| good	0.159 \| good
2026-03-10T21:00:00.000Z	81 \| moderate	25.341 \| fine	110.753 \| fine	49.434 \| good	1.023 \| good	3.386 \| good	0.154 \| good
2026-03-10T22:00:00.000Z	75 \| moderate	22.302 \| fine	97.563 \| fine	52.042 \| good	1.058 \| good	3.535 \| good	0.154 \| good
2026-03-10T23:00:00.000Z	64 \| moderate	16.158 \| fine	71.932 \| fine	53.587 \| good	1.092 \| good	3.684 \| good	0.153 \| good
2026-03-11T00:00:00.000Z	52 \| moderate	9.671 \| good	42.831 \| good	49.415 \| good	1.126 \| good	3.833 \| good	0.152 \| good
2026-03-11T01:00:00.000Z	44 \| good	7.275 \| good	32.013 \| good	46.886 \| good	1.18 \| good	5.85 \| good	0.166 \| good
2026-03-11T02:00:00.000Z	67 \| moderate	17.862 \| fine	79.514 \| fine	40.253 \| good	1.234 \| good	7.868 \| good	0.181 \| good
2026-03-11T03:00:00.000Z	69 \| moderate	18.776 \| fine	83.195 \| fine	28.052 \| good	1.287 \| good	9.885 \| good	0.195 \| good
2026-03-11T04:00:00.000Z	75 \| moderate	22.286 \| fine	98.011 \| fine	21.373 \| good	1.298 \| good	10.729 \| good	0.2 \| good
2026-03-11T05:00:00.000Z	66 \| moderate	17.057 \| fine	75.399 \| fine	20.804 \| good	1.309 \| good	11.573 \| good	0.206 \| good
2026-03-11T06:00:00.000Z	60 \| moderate	13.676 \| fine	34.386 \| good	19.025 \| good	1.314 \| good	12.528 \| good	0.212 \| good
2026-03-11T07:00:00.000Z	66 \| moderate	16.938 \| fine	75.605 \| fine	22.832 \| good	1.258 \| good	12.282 \| good	0.21 \| good
2026-03-11T08:00:00.000Z	54 \| moderate	10.742 \| good	47.655 \| good	21.185 \| good	1.196 \| good	12.147 \| good	0.209 \| good
2026-03-11T09:00:00.000Z	54 \| moderate	10.946 \| good	48.558 \| good	23.212 \| good	1.134 \| good	12.012 \| good	0.209 \| good
2026-03-11T10:00:00.000Z	60 \| moderate	13.769 \| fine	61.811 \| fine	25.306 \| good	1.082 \| good	11.531 \| good	0.205 \| good
2026-03-11T11:00:00.000Z	60 \| moderate	14.004 \| fine	62.762 \| fine	22.919 \| good	1.03 \| good	11.049 \| good	0.201 \| good
2026-03-11T12:00:00.000Z	54 \| moderate	10.956 \| good	13.371 \| good	16.374 \| good	0.969 \| good	10.754 \| good	0.198 \| good
2026-03-11T13:00:00.000Z	54 \| moderate	10.858 \| good	12.959 \| good	16.905 \| good	0.986 \| good	10.51 \| good	0.199 \| good
2026-03-11T14:00:00.000Z	54 \| moderate	10.833 \| good	12.69 \| good	17.435 \| good	1.004 \| good	10.267 \| good	0.199 \| good
2026-03-11T15:00:00.000Z	54 \| moderate	11.056 \| good	12.721 \| good	17.965 \| good	1.022 \| good	10.023 \| good	0.199 \| good
2026-03-11T16:00:00.000Z	52 \| moderate	10.208 \| good	11.559 \| good	22.139 \| good	1.01 \| good	8.43 \| good	0.198 \| good
2026-03-11T17:00:00.000Z	38 \| good	6.553 \| good	28.762 \| good	26.462 \| good	1.002 \| good	6.802 \| good	0.196 \| good

Modesto

Empower business decisions with accurate air quality data

Modesto, California air quality map: Real-time AQI near you

0.46ppm

How accurate is California, USA air quality data?

Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Modesto, California updated?

Air quality data for Modesto, California is updated on an hourly basis.

When did Modesto, California experience the worst air quality in the last 24 hours?

The worst air quality in Modesto, California was recorded at 10:00:00 on 2026-03-09.

When did Modesto, California have its best air quality in the last 24 hours?

The best air quality in Modesto, California was recorded at 10:00:00 on 2026-03-08.

What is the real-time air quality index for Modesto, California?

The real-time air quality index in Modesto, California is 56, currently categorized as Moderate.

Which pollutant is found most often in Modesto, California?

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

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

If the air quality in Modesto, California is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Modesto, California?

The measured PM_2.5 levels in Modesto, California at present are 11.996 μg/m³.

What are the current PM₁₀ levels at Modesto, California?

The current PM₁₀ levels in Modesto, California are 27.999 μg/m³.

What are the current carbon monoxide (CO) levels at Modesto, California?

The current carbon monoxide (CO) level in Modesto, California is 0.481 ppm.

What are the current sulfur dioxide (SO₂) levels at Modesto, California?

The current sulfur dioxide (SO₂) levels in Modesto, California are 0.761 ppb.

What are the current ozone (O₃) levels at Modesto, California?

The current ozone (O₃) levels at Modesto, California is 8.003 ppm.

What are the current nitrogen dioxide (NO₂) levels at Modesto, California?

The current nitrogen dioxide (NO₂) levels at Modesto, California is 12.287 ppb.

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