What are the current PM10 levels at Modesto, California?

The current PM10 levels in Modesto, California are 16.003 μg/m3.

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

The current sulfur dioxide (SO2) levels in Modesto, California are 0.499 ppb.

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

The current ozone (O3) levels at Modesto, California is 20 ppm.

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

The current nitrogen dioxide (NO2) levels at Modesto, California is 3.251 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 4.202 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)

Good

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)

4.20 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.00 μg/m³

155

255

425

605+

Ozone (O₃)

20.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Modesto, California

Get Live Pollen Counts

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
2026-09-19T12:00:00.000Z	33 \| good	5.759 \| good	25.093 \| good	12.06 \| good	0.472 \| good	11.254 \| good	0.162 \| good
2026-09-19T13:00:00.000Z	38 \| good	6.946 \| good	29.039 \| good	13.559 \| good	0.322 \| good	9.935 \| good	0.223 \| good
2026-09-19T14:00:00.000Z	33 \| good	6.221 \| good	33.492 \| good	13.425 \| good	0.495 \| good	5.617 \| good	0.283 \| good
2026-09-19T15:00:00.000Z	33 \| good	6.053 \| good	28.766 \| good	14.652 \| good	0.377 \| good	6.984 \| good	0.268 \| good
2026-09-19T16:00:00.000Z	38 \| good	6.571 \| good	27.968 \| good	17.467 \| good	0.396 \| good	5.381 \| good	0.283 \| good
2026-09-19T17:00:00.000Z	38 \| good	7.094 \| good	26.601 \| good	22.15 \| good	0.406 \| good	4.866 \| good	0.321 \| good
2026-09-19T18:00:00.000Z	49 \| good	9.179 \| good	41.022 \| good	26.368 \| good	0.469 \| good	3.776 \| good	0.336 \| good
2026-09-19T19:00:00.000Z	47 \| good	8.47 \| good	50.93 \| good	29.538 \| good	0.445 \| good	3.079 \| good	0.356 \| good
2026-09-19T20:00:00.000Z	51 \| moderate	7.272 \| good	54.952 \| good	35.377 \| good	0.664 \| good	2.426 \| good	0.336 \| good
2026-09-19T21:00:00.000Z	52 \| moderate	6.382 \| good	58.141 \| fine	40.113 \| good	0.5 \| good	2.636 \| good	0.336 \| good
2026-09-19T22:00:00.000Z	50 \| good	5.41 \| good	54.13 \| good	42.555 \| good	0.558 \| good	2.24 \| good	0.336 \| good
2026-09-19T23:00:00.000Z	43 \| good	4.76 \| good	46.193 \| good	46.175 \| good	0.484 \| good	1.963 \| good	0.353 \| good
2026-09-20T00:00:00.000Z	45 \| good	5.221 \| good	41.594 \| good	49.192 \| good	0.44 \| good	2.184 \| good	0.368 \| good
2026-09-20T01:00:00.000Z	47 \| good	5.657 \| good	44.927 \| good	50.637 \| good	0.446 \| good	2.016 \| good	0.348 \| good
2026-09-20T02:00:00.000Z	47 \| good	7.05 \| good	46.243 \| good	51.258 \| good	0.39 \| good	2.083 \| good	0.368 \| good
2026-09-20T03:00:00.000Z	49 \| good	9.052 \| good	40.898 \| good	37.366 \| good	0.502 \| good	3.658 \| good	0.159 \| good
2026-09-20T04:00:00.000Z	44 \| good	7.883 \| good	38.366 \| good	48.173 \| good	0.464 \| good	3.451 \| good	0.338 \| good
2026-09-20T05:00:00.000Z	49 \| good	9.157 \| good	39.466 \| good	42.498 \| good	0.55 \| good	6.467 \| good	0.321 \| good
2026-09-20T06:00:00.000Z	49 \| good	8.718 \| good	36.675 \| good	39.394 \| good	0.563 \| good	6.178 \| good	0.344 \| good
2026-09-20T07:00:00.000Z	44 \| good	8.092 \| good	34.822 \| good	32.477 \| good	0.423 \| good	5.314 \| good	0.329 \| good
2026-09-20T08:00:00.000Z	38 \| good	6.885 \| good	30.393 \| good	27.743 \| good	0.59 \| good	5.257 \| good	0.329 \| good
2026-09-20T09:00:00.000Z	33 \| good	6.094 \| good	28.314 \| good	26.184 \| good	0.693 \| good	4.893 \| good	0.329 \| good
2026-09-20T10:00:00.000Z	38 \| good	7.124 \| good	25.631 \| good	22.679 \| good	0.713 \| good	8.002 \| good	0.154 \| good
2026-09-20T11:00:00.000Z	38 \| good	6.94 \| good	23.332 \| good	20.766 \| good	0.597 \| good	8.007 \| good	0.154 \| good
2026-09-20T12:00:00.000Z	44 \| good	7.522 \| good	23.429 \| good	16.446 \| good	0.551 \| good	11.423 \| good	0.155 \| good
2026-09-20T13:00:00.000Z	44 \| good	7.661 \| good	23.828 \| good	14.008 \| good	0.434 \| good	12.161 \| good	0.255 \| good
2026-09-20T14:00:00.000Z	44 \| good	7.609 \| good	22.481 \| good	13.66 \| good	0.416 \| good	8.491 \| good	0.268 \| good
2026-09-20T15:00:00.000Z	38 \| good	7.059 \| good	22.266 \| good	16.362 \| good	0.413 \| good	7.946 \| good	0.288 \| good
2026-09-20T16:00:00.000Z	44 \| good	8.082 \| good	22.219 \| good	16.644 \| good	0.4 \| good	6.687 \| good	0.268 \| good
2026-09-20T17:00:00.000Z	44 \| good	7.865 \| good	22.012 \| good	20.528 \| good	0.486 \| good	5.9 \| good	0.269 \| good
2026-09-20T18:00:00.000Z	33 \| good	6.435 \| good	21.911 \| good	24.581 \| good	0.44 \| good	3.487 \| good	0.286 \| good
2026-09-20T19:00:00.000Z	33 \| good	6.07 \| good	21.226 \| good	26.124 \| good	0.794 \| good	3.005 \| good	0.286 \| good
2026-09-20T20:00:00.000Z	27 \| good	5.363 \| good	20.609 \| good	29.083 \| good	0.767 \| good	2.564 \| good	0.286 \| good
2026-09-20T21:00:00.000Z	32 \| good	3.948 \| good	21.107 \| good	34.874 \| good	0.676 \| good	2.322 \| good	0.315 \| good
2026-09-20T22:00:00.000Z	34 \| good	3.684 \| good	21.718 \| good	37.306 \| good	0.658 \| good	2.307 \| good	0.301 \| good
2026-09-20T23:00:00.000Z	40 \| good	3.726 \| good	21.142 \| good	43.267 \| good	0.688 \| good	3.023 \| good	0.301 \| good
2026-09-21T00:00:00.000Z	42 \| good	3.852 \| good	21.951 \| good	44.796 \| good	0.415 \| good	2.711 \| good	0.321 \| good
2026-09-21T01:00:00.000Z	40 \| good	3.955 \| good	21.666 \| good	43.142 \| good	0.588 \| good	2.555 \| good	0.336 \| good
2026-09-21T02:00:00.000Z	37 \| good	4.425 \| good	22.835 \| good	39.827 \| good	0.601 \| good	2.877 \| good	0.368 \| good
2026-09-21T03:00:00.000Z	54 \| moderate	10.96 \| good	48.439 \| good	37.706 \| good	0.626 \| good	4.733 \| good	0.152 \| good
2026-09-21T04:00:00.000Z	34 \| good	4.465 \| good	24.09 \| good	36.84 \| good	0.536 \| good	3.734 \| good	0.341 \| good
2026-09-21T05:00:00.000Z	31 \| good	4.194 \| good	24.921 \| good	33.798 \| good	0.527 \| good	4.175 \| good	0.321 \| good
2026-09-21T06:00:00.000Z	26 \| good	4.323 \| good	24.469 \| good	27.521 \| good	0.607 \| good	4.486 \| good	0.301 \| good
2026-09-21T07:00:00.000Z	33 \| good	5.592 \| good	23.449 \| good	25.168 \| good	0.52 \| good	4.457 \| good	0.301 \| good
2026-09-21T08:00:00.000Z	33 \| good	5.939 \| good	21.302 \| good	24.704 \| good	0.484 \| good	3.957 \| good	0.286 \| good
2026-09-21T09:00:00.000Z	33 \| good	5.544 \| good	20.591 \| good	23.456 \| good	0.477 \| good	3.857 \| good	0.266 \| good
2026-09-21T10:00:00.000Z	27 \| good	4.54 \| good	16.373 \| good	20.151 \| good	0.501 \| good	3.37 \| good	0.266 \| good
2026-09-21T11:00:00.000Z	22 \| good	4.202 \| good	16.003 \| good	20 \| good	0.499 \| good	3.251 \| good	0.269 \| good
2026-09-21T12:00:00.000Z	33 \| good	6.265 \| good	27.834 \| good	13.129 \| good	0.554 \| good	8.431 \| good	0.17 \| good
2026-09-21T13:00:00.000Z	38 \| good	7.184 \| good	31.753 \| good	13.583 \| good	0.537 \| good	8.576 \| good	0.177 \| good
2026-09-21T14:00:00.000Z	38 \| good	7.267 \| good	31.869 \| good	16.724 \| good	0.518 \| good	8.398 \| good	0.184 \| good
2026-09-21T15:00:00.000Z	38 \| good	6.995 \| good	31.073 \| good	21.757 \| good	0.519 \| good	6.19 \| good	0.185 \| good
2026-09-21T16:00:00.000Z	49 \| good	8.561 \| good	37.154 \| good	25.044 \| good	0.507 \| good	4.218 \| good	0.163 \| good
2026-09-21T17:00:00.000Z	44 \| good	8.315 \| good	36.284 \| good	28.644 \| good	0.502 \| good	3.066 \| good	0.152 \| good
2026-09-21T18:00:00.000Z	44 \| good	8.271 \| good	36.178 \| good	34.816 \| good	0.494 \| good	2.325 \| good	0.148 \| good
2026-09-21T19:00:00.000Z	49 \| good	8.519 \| good	37.273 \| good	44.639 \| good	0.481 \| good	1.789 \| good	0.145 \| good
2026-09-21T20:00:00.000Z	47 \| good	8.265 \| good	36.154 \| good	51.188 \| good	0.479 \| good	1.41 \| good	0.143 \| good
2026-09-21T21:00:00.000Z	61 \| moderate	8.898 \| good	39.237 \| good	57.824 \| fine	0.482 \| good	1.155 \| good	0.142 \| good
2026-09-21T22:00:00.000Z	77 \| moderate	8.882 \| good	39.107 \| good	62.898 \| fine	0.49 \| good	1 \| good	0.141 \| good
2026-09-21T23:00:00.000Z	67 \| moderate	9.13 \| good	40.869 \| good	60.125 \| fine	0.5 \| good	0.958 \| good	0.14 \| good
2026-09-22T00:00:00.000Z	58 \| moderate	8.435 \| good	37.101 \| good	56.938 \| fine	0.515 \| good	1.046 \| good	0.139 \| good
2026-09-22T01:00:00.000Z	52 \| moderate	9.822 \| good	43.366 \| good	53.461 \| good	0.543 \| good	1.436 \| good	0.14 \| good
2026-09-22T02:00:00.000Z	49 \| good	9.275 \| good	41.127 \| good	44.971 \| good	0.558 \| good	2.943 \| good	0.146 \| good
2026-09-22T03:00:00.000Z	44 \| good	7.872 \| good	34.316 \| good	37.031 \| good	0.583 \| good	4.311 \| good	0.151 \| good
2026-09-22T04:00:00.000Z	44 \| good	8.21 \| good	36.057 \| good	31.207 \| good	0.6 \| good	4.894 \| good	0.151 \| good
2026-09-22T05:00:00.000Z	38 \| good	7.04 \| good	31.066 \| good	31.604 \| good	0.606 \| good	5.344 \| good	0.152 \| good
2026-09-22T06:00:00.000Z	38 \| good	6.889 \| good	30.776 \| good	29.855 \| good	0.611 \| good	6.1 \| good	0.159 \| good
2026-09-22T07:00:00.000Z	44 \| good	8.49 \| good	37.024 \| good	26.036 \| good	0.609 \| good	6.971 \| good	0.17 \| good
2026-09-22T08:00:00.000Z	44 \| good	8.169 \| good	35.961 \| good	22.614 \| good	0.596 \| good	7.887 \| good	0.182 \| good
2026-09-22T09:00:00.000Z	44 \| good	7.787 \| good	33.917 \| good	20.803 \| good	0.588 \| good	8.78 \| good	0.197 \| good
2026-09-22T10:00:00.000Z	38 \| good	6.823 \| good	29.906 \| good	16.693 \| good	0.576 \| good	9.691 \| good	0.214 \| good
2026-09-22T11:00:00.000Z	44 \| good	8.3 \| good	36.603 \| good	15.561 \| good	0.568 \| good	10.297 \| good	0.227 \| good
2026-09-22T12:00:00.000Z	38 \| good	6.756 \| good	29.692 \| good	9.841 \| good	0.563 \| good	10.547 \| good	0.231 \| good
2026-09-22T13:00:00.000Z	44 \| good	8.278 \| good	36.506 \| good	7.752 \| good	0.556 \| good	10.59 \| good	0.227 \| good
2026-09-22T14:00:00.000Z	44 \| good	7.985 \| good	34.88 \| good	7.69 \| good	0.548 \| good	10.104 \| good	0.222 \| good
2026-09-22T15:00:00.000Z	44 \| good	7.893 \| good	34.841 \| good	16.057 \| good	0.54 \| good	8.076 \| good	0.221 \| good
2026-09-22T16:00:00.000Z	44 \| good	8.379 \| good	36.818 \| good	24.139 \| good	0.599 \| good	5.173 \| good	0.176 \| good
2026-09-22T17:00:00.000Z	44 \| good	8.381 \| good	37.024 \| good	30.799 \| good	0.606 \| good	3.615 \| good	0.148 \| good
2026-09-22T18:00:00.000Z	44 \| good	8.139 \| good	35.813 \| good	38.197 \| good	0.601 \| good	2.747 \| good	0.139 \| good
2026-09-22T19:00:00.000Z	49 \| good	9.274 \| good	41.106 \| good	50.322 \| good	0.568 \| good	2.088 \| good	0.136 \| good
2026-09-22T20:00:00.000Z	61 \| moderate	10.031 \| good	44.686 \| good	57.574 \| fine	0.524 \| good	1.593 \| good	0.137 \| good
2026-09-22T21:00:00.000Z	74 \| moderate	9.815 \| good	43.721 \| good	61.771 \| fine	0.495 \| good	1.27 \| good	0.139 \| good
2026-09-22T22:00:00.000Z	77 \| moderate	10.132 \| good	44.944 \| good	63.251 \| fine	0.49 \| good	1.098 \| good	0.141 \| good
2026-09-22T23:00:00.000Z	71 \| moderate	9.213 \| good	41.071 \| good	61.134 \| fine	0.503 \| good	1.052 \| good	0.144 \| good
2026-09-23T00:00:00.000Z	58 \| moderate	7.778 \| good	34.256 \| good	57.415 \| fine	0.529 \| good	1.187 \| good	0.147 \| good
2026-09-23T01:00:00.000Z	58 \| moderate	8.362 \| good	36.683 \| good	56.793 \| fine	0.565 \| good	1.591 \| good	0.149 \| good
2026-09-23T02:00:00.000Z	52 \| moderate	9.678 \| good	43.111 \| good	47.565 \| good	0.596 \| good	3.211 \| good	0.154 \| good
2026-09-23T03:00:00.000Z	49 \| good	8.678 \| good	37.843 \| good	40.031 \| good	0.661 \| good	4.52 \| good	0.158 \| good
2026-09-23T04:00:00.000Z	44 \| good	7.764 \| good	34.302 \| good	35.729 \| good	0.718 \| good	5.352 \| good	0.157 \| good
2026-09-23T05:00:00.000Z	38 \| good	7.406 \| good	32.372 \| good	30.264 \| good	0.735 \| good	6.491 \| good	0.159 \| good
2026-09-23T06:00:00.000Z	38 \| good	7.229 \| good	31.953 \| good	24.888 \| good	0.727 \| good	7.959 \| good	0.167 \| good
2026-09-23T07:00:00.000Z	49 \| good	9.389 \| good	41.685 \| good	22.22 \| good	0.7 \| good	9.617 \| good	0.18 \| good
2026-09-23T08:00:00.000Z	52 \| moderate	10.281 \| good	45.854 \| good	21.637 \| good	0.671 \| good	11.015 \| good	0.195 \| good
2026-09-23T09:00:00.000Z	49 \| good	9.086 \| good	40.53 \| good	19.22 \| good	0.643 \| good	12.364 \| good	0.211 \| good
2026-09-23T10:00:00.000Z	44 \| good	7.726 \| good	33.907 \| good	17.856 \| good	0.602 \| good	13.763 \| good	0.224 \| good
2026-09-23T11:00:00.000Z	49 \| good	8.588 \| good	37.821 \| good	17.181 \| good	0.556 \| good	14.719 \| good	0.232 \| good

Modesto

Empower business decisions with accurate air quality data

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

0.24ppm

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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Check live rankings of places in the USA affected by air pollution.

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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 03:00:00 on 2026-09-21.

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

The best air quality in Modesto, California was recorded at 06:00:00 on 2026-09-21.

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

The real-time air quality index in Modesto, California is 22, currently categorized as Good.

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 4.202 μg/m³.

What are the current PM₁₀ levels at Modesto, California?

The current PM₁₀ levels in Modesto, California are 16.003 μg/m³.

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

The current carbon monoxide (CO) level in Modesto, California is 0.269 ppm.

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

The current sulfur dioxide (SO₂) levels in Modesto, California are 0.499 ppb.

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

The current ozone (O₃) levels at Modesto, California is 20 ppm.

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

The current nitrogen dioxide (NO₂) levels at Modesto, California is 3.251 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-19T12:00:00.000Z	33 \| good	5.759 \| good	25.093 \| good	12.06 \| good	0.472 \| good	11.254 \| good	0.162 \| good
2026-09-19T13:00:00.000Z	38 \| good	6.946 \| good	29.039 \| good	13.559 \| good	0.322 \| good	9.935 \| good	0.223 \| good
2026-09-19T14:00:00.000Z	33 \| good	6.221 \| good	33.492 \| good	13.425 \| good	0.495 \| good	5.617 \| good	0.283 \| good
2026-09-19T15:00:00.000Z	33 \| good	6.053 \| good	28.766 \| good	14.652 \| good	0.377 \| good	6.984 \| good	0.268 \| good
2026-09-19T16:00:00.000Z	38 \| good	6.571 \| good	27.968 \| good	17.467 \| good	0.396 \| good	5.381 \| good	0.283 \| good
2026-09-19T17:00:00.000Z	38 \| good	7.094 \| good	26.601 \| good	22.15 \| good	0.406 \| good	4.866 \| good	0.321 \| good
2026-09-19T18:00:00.000Z	49 \| good	9.179 \| good	41.022 \| good	26.368 \| good	0.469 \| good	3.776 \| good	0.336 \| good
2026-09-19T19:00:00.000Z	47 \| good	8.47 \| good	50.93 \| good	29.538 \| good	0.445 \| good	3.079 \| good	0.356 \| good
2026-09-19T20:00:00.000Z	51 \| moderate	7.272 \| good	54.952 \| good	35.377 \| good	0.664 \| good	2.426 \| good	0.336 \| good
2026-09-19T21:00:00.000Z	52 \| moderate	6.382 \| good	58.141 \| fine	40.113 \| good	0.5 \| good	2.636 \| good	0.336 \| good
2026-09-19T22:00:00.000Z	50 \| good	5.41 \| good	54.13 \| good	42.555 \| good	0.558 \| good	2.24 \| good	0.336 \| good
2026-09-19T23:00:00.000Z	43 \| good	4.76 \| good	46.193 \| good	46.175 \| good	0.484 \| good	1.963 \| good	0.353 \| good
2026-09-20T00:00:00.000Z	45 \| good	5.221 \| good	41.594 \| good	49.192 \| good	0.44 \| good	2.184 \| good	0.368 \| good
2026-09-20T01:00:00.000Z	47 \| good	5.657 \| good	44.927 \| good	50.637 \| good	0.446 \| good	2.016 \| good	0.348 \| good
2026-09-20T02:00:00.000Z	47 \| good	7.05 \| good	46.243 \| good	51.258 \| good	0.39 \| good	2.083 \| good	0.368 \| good
2026-09-20T03:00:00.000Z	49 \| good	9.052 \| good	40.898 \| good	37.366 \| good	0.502 \| good	3.658 \| good	0.159 \| good
2026-09-20T04:00:00.000Z	44 \| good	7.883 \| good	38.366 \| good	48.173 \| good	0.464 \| good	3.451 \| good	0.338 \| good
2026-09-20T05:00:00.000Z	49 \| good	9.157 \| good	39.466 \| good	42.498 \| good	0.55 \| good	6.467 \| good	0.321 \| good
2026-09-20T06:00:00.000Z	49 \| good	8.718 \| good	36.675 \| good	39.394 \| good	0.563 \| good	6.178 \| good	0.344 \| good
2026-09-20T07:00:00.000Z	44 \| good	8.092 \| good	34.822 \| good	32.477 \| good	0.423 \| good	5.314 \| good	0.329 \| good
2026-09-20T08:00:00.000Z	38 \| good	6.885 \| good	30.393 \| good	27.743 \| good	0.59 \| good	5.257 \| good	0.329 \| good
2026-09-20T09:00:00.000Z	33 \| good	6.094 \| good	28.314 \| good	26.184 \| good	0.693 \| good	4.893 \| good	0.329 \| good
2026-09-20T10:00:00.000Z	38 \| good	7.124 \| good	25.631 \| good	22.679 \| good	0.713 \| good	8.002 \| good	0.154 \| good
2026-09-20T11:00:00.000Z	38 \| good	6.94 \| good	23.332 \| good	20.766 \| good	0.597 \| good	8.007 \| good	0.154 \| good
2026-09-20T12:00:00.000Z	44 \| good	7.522 \| good	23.429 \| good	16.446 \| good	0.551 \| good	11.423 \| good	0.155 \| good
2026-09-20T13:00:00.000Z	44 \| good	7.661 \| good	23.828 \| good	14.008 \| good	0.434 \| good	12.161 \| good	0.255 \| good
2026-09-20T14:00:00.000Z	44 \| good	7.609 \| good	22.481 \| good	13.66 \| good	0.416 \| good	8.491 \| good	0.268 \| good
2026-09-20T15:00:00.000Z	38 \| good	7.059 \| good	22.266 \| good	16.362 \| good	0.413 \| good	7.946 \| good	0.288 \| good
2026-09-20T16:00:00.000Z	44 \| good	8.082 \| good	22.219 \| good	16.644 \| good	0.4 \| good	6.687 \| good	0.268 \| good
2026-09-20T17:00:00.000Z	44 \| good	7.865 \| good	22.012 \| good	20.528 \| good	0.486 \| good	5.9 \| good	0.269 \| good
2026-09-20T18:00:00.000Z	33 \| good	6.435 \| good	21.911 \| good	24.581 \| good	0.44 \| good	3.487 \| good	0.286 \| good
2026-09-20T19:00:00.000Z	33 \| good	6.07 \| good	21.226 \| good	26.124 \| good	0.794 \| good	3.005 \| good	0.286 \| good
2026-09-20T20:00:00.000Z	27 \| good	5.363 \| good	20.609 \| good	29.083 \| good	0.767 \| good	2.564 \| good	0.286 \| good
2026-09-20T21:00:00.000Z	32 \| good	3.948 \| good	21.107 \| good	34.874 \| good	0.676 \| good	2.322 \| good	0.315 \| good
2026-09-20T22:00:00.000Z	34 \| good	3.684 \| good	21.718 \| good	37.306 \| good	0.658 \| good	2.307 \| good	0.301 \| good
2026-09-20T23:00:00.000Z	40 \| good	3.726 \| good	21.142 \| good	43.267 \| good	0.688 \| good	3.023 \| good	0.301 \| good
2026-09-21T00:00:00.000Z	42 \| good	3.852 \| good	21.951 \| good	44.796 \| good	0.415 \| good	2.711 \| good	0.321 \| good
2026-09-21T01:00:00.000Z	40 \| good	3.955 \| good	21.666 \| good	43.142 \| good	0.588 \| good	2.555 \| good	0.336 \| good
2026-09-21T02:00:00.000Z	37 \| good	4.425 \| good	22.835 \| good	39.827 \| good	0.601 \| good	2.877 \| good	0.368 \| good
2026-09-21T03:00:00.000Z	54 \| moderate	10.96 \| good	48.439 \| good	37.706 \| good	0.626 \| good	4.733 \| good	0.152 \| good
2026-09-21T04:00:00.000Z	34 \| good	4.465 \| good	24.09 \| good	36.84 \| good	0.536 \| good	3.734 \| good	0.341 \| good
2026-09-21T05:00:00.000Z	31 \| good	4.194 \| good	24.921 \| good	33.798 \| good	0.527 \| good	4.175 \| good	0.321 \| good
2026-09-21T06:00:00.000Z	26 \| good	4.323 \| good	24.469 \| good	27.521 \| good	0.607 \| good	4.486 \| good	0.301 \| good
2026-09-21T07:00:00.000Z	33 \| good	5.592 \| good	23.449 \| good	25.168 \| good	0.52 \| good	4.457 \| good	0.301 \| good
2026-09-21T08:00:00.000Z	33 \| good	5.939 \| good	21.302 \| good	24.704 \| good	0.484 \| good	3.957 \| good	0.286 \| good
2026-09-21T09:00:00.000Z	33 \| good	5.544 \| good	20.591 \| good	23.456 \| good	0.477 \| good	3.857 \| good	0.266 \| good
2026-09-21T10:00:00.000Z	27 \| good	4.54 \| good	16.373 \| good	20.151 \| good	0.501 \| good	3.37 \| good	0.266 \| good
2026-09-21T11:00:00.000Z	22 \| good	4.202 \| good	16.003 \| good	20 \| good	0.499 \| good	3.251 \| good	0.269 \| good
2026-09-21T12:00:00.000Z	33 \| good	6.265 \| good	27.834 \| good	13.129 \| good	0.554 \| good	8.431 \| good	0.17 \| good
2026-09-21T13:00:00.000Z	38 \| good	7.184 \| good	31.753 \| good	13.583 \| good	0.537 \| good	8.576 \| good	0.177 \| good
2026-09-21T14:00:00.000Z	38 \| good	7.267 \| good	31.869 \| good	16.724 \| good	0.518 \| good	8.398 \| good	0.184 \| good
2026-09-21T15:00:00.000Z	38 \| good	6.995 \| good	31.073 \| good	21.757 \| good	0.519 \| good	6.19 \| good	0.185 \| good
2026-09-21T16:00:00.000Z	49 \| good	8.561 \| good	37.154 \| good	25.044 \| good	0.507 \| good	4.218 \| good	0.163 \| good
2026-09-21T17:00:00.000Z	44 \| good	8.315 \| good	36.284 \| good	28.644 \| good	0.502 \| good	3.066 \| good	0.152 \| good
2026-09-21T18:00:00.000Z	44 \| good	8.271 \| good	36.178 \| good	34.816 \| good	0.494 \| good	2.325 \| good	0.148 \| good
2026-09-21T19:00:00.000Z	49 \| good	8.519 \| good	37.273 \| good	44.639 \| good	0.481 \| good	1.789 \| good	0.145 \| good
2026-09-21T20:00:00.000Z	47 \| good	8.265 \| good	36.154 \| good	51.188 \| good	0.479 \| good	1.41 \| good	0.143 \| good
2026-09-21T21:00:00.000Z	61 \| moderate	8.898 \| good	39.237 \| good	57.824 \| fine	0.482 \| good	1.155 \| good	0.142 \| good
2026-09-21T22:00:00.000Z	77 \| moderate	8.882 \| good	39.107 \| good	62.898 \| fine	0.49 \| good	1 \| good	0.141 \| good
2026-09-21T23:00:00.000Z	67 \| moderate	9.13 \| good	40.869 \| good	60.125 \| fine	0.5 \| good	0.958 \| good	0.14 \| good
2026-09-22T00:00:00.000Z	58 \| moderate	8.435 \| good	37.101 \| good	56.938 \| fine	0.515 \| good	1.046 \| good	0.139 \| good
2026-09-22T01:00:00.000Z	52 \| moderate	9.822 \| good	43.366 \| good	53.461 \| good	0.543 \| good	1.436 \| good	0.14 \| good
2026-09-22T02:00:00.000Z	49 \| good	9.275 \| good	41.127 \| good	44.971 \| good	0.558 \| good	2.943 \| good	0.146 \| good
2026-09-22T03:00:00.000Z	44 \| good	7.872 \| good	34.316 \| good	37.031 \| good	0.583 \| good	4.311 \| good	0.151 \| good
2026-09-22T04:00:00.000Z	44 \| good	8.21 \| good	36.057 \| good	31.207 \| good	0.6 \| good	4.894 \| good	0.151 \| good
2026-09-22T05:00:00.000Z	38 \| good	7.04 \| good	31.066 \| good	31.604 \| good	0.606 \| good	5.344 \| good	0.152 \| good
2026-09-22T06:00:00.000Z	38 \| good	6.889 \| good	30.776 \| good	29.855 \| good	0.611 \| good	6.1 \| good	0.159 \| good
2026-09-22T07:00:00.000Z	44 \| good	8.49 \| good	37.024 \| good	26.036 \| good	0.609 \| good	6.971 \| good	0.17 \| good
2026-09-22T08:00:00.000Z	44 \| good	8.169 \| good	35.961 \| good	22.614 \| good	0.596 \| good	7.887 \| good	0.182 \| good
2026-09-22T09:00:00.000Z	44 \| good	7.787 \| good	33.917 \| good	20.803 \| good	0.588 \| good	8.78 \| good	0.197 \| good
2026-09-22T10:00:00.000Z	38 \| good	6.823 \| good	29.906 \| good	16.693 \| good	0.576 \| good	9.691 \| good	0.214 \| good
2026-09-22T11:00:00.000Z	44 \| good	8.3 \| good	36.603 \| good	15.561 \| good	0.568 \| good	10.297 \| good	0.227 \| good
2026-09-22T12:00:00.000Z	38 \| good	6.756 \| good	29.692 \| good	9.841 \| good	0.563 \| good	10.547 \| good	0.231 \| good
2026-09-22T13:00:00.000Z	44 \| good	8.278 \| good	36.506 \| good	7.752 \| good	0.556 \| good	10.59 \| good	0.227 \| good
2026-09-22T14:00:00.000Z	44 \| good	7.985 \| good	34.88 \| good	7.69 \| good	0.548 \| good	10.104 \| good	0.222 \| good
2026-09-22T15:00:00.000Z	44 \| good	7.893 \| good	34.841 \| good	16.057 \| good	0.54 \| good	8.076 \| good	0.221 \| good
2026-09-22T16:00:00.000Z	44 \| good	8.379 \| good	36.818 \| good	24.139 \| good	0.599 \| good	5.173 \| good	0.176 \| good
2026-09-22T17:00:00.000Z	44 \| good	8.381 \| good	37.024 \| good	30.799 \| good	0.606 \| good	3.615 \| good	0.148 \| good
2026-09-22T18:00:00.000Z	44 \| good	8.139 \| good	35.813 \| good	38.197 \| good	0.601 \| good	2.747 \| good	0.139 \| good
2026-09-22T19:00:00.000Z	49 \| good	9.274 \| good	41.106 \| good	50.322 \| good	0.568 \| good	2.088 \| good	0.136 \| good
2026-09-22T20:00:00.000Z	61 \| moderate	10.031 \| good	44.686 \| good	57.574 \| fine	0.524 \| good	1.593 \| good	0.137 \| good
2026-09-22T21:00:00.000Z	74 \| moderate	9.815 \| good	43.721 \| good	61.771 \| fine	0.495 \| good	1.27 \| good	0.139 \| good
2026-09-22T22:00:00.000Z	77 \| moderate	10.132 \| good	44.944 \| good	63.251 \| fine	0.49 \| good	1.098 \| good	0.141 \| good
2026-09-22T23:00:00.000Z	71 \| moderate	9.213 \| good	41.071 \| good	61.134 \| fine	0.503 \| good	1.052 \| good	0.144 \| good
2026-09-23T00:00:00.000Z	58 \| moderate	7.778 \| good	34.256 \| good	57.415 \| fine	0.529 \| good	1.187 \| good	0.147 \| good
2026-09-23T01:00:00.000Z	58 \| moderate	8.362 \| good	36.683 \| good	56.793 \| fine	0.565 \| good	1.591 \| good	0.149 \| good
2026-09-23T02:00:00.000Z	52 \| moderate	9.678 \| good	43.111 \| good	47.565 \| good	0.596 \| good	3.211 \| good	0.154 \| good
2026-09-23T03:00:00.000Z	49 \| good	8.678 \| good	37.843 \| good	40.031 \| good	0.661 \| good	4.52 \| good	0.158 \| good
2026-09-23T04:00:00.000Z	44 \| good	7.764 \| good	34.302 \| good	35.729 \| good	0.718 \| good	5.352 \| good	0.157 \| good
2026-09-23T05:00:00.000Z	38 \| good	7.406 \| good	32.372 \| good	30.264 \| good	0.735 \| good	6.491 \| good	0.159 \| good
2026-09-23T06:00:00.000Z	38 \| good	7.229 \| good	31.953 \| good	24.888 \| good	0.727 \| good	7.959 \| good	0.167 \| good
2026-09-23T07:00:00.000Z	49 \| good	9.389 \| good	41.685 \| good	22.22 \| good	0.7 \| good	9.617 \| good	0.18 \| good
2026-09-23T08:00:00.000Z	52 \| moderate	10.281 \| good	45.854 \| good	21.637 \| good	0.671 \| good	11.015 \| good	0.195 \| good
2026-09-23T09:00:00.000Z	49 \| good	9.086 \| good	40.53 \| good	19.22 \| good	0.643 \| good	12.364 \| good	0.211 \| good
2026-09-23T10:00:00.000Z	44 \| good	7.726 \| good	33.907 \| good	17.856 \| good	0.602 \| good	13.763 \| good	0.224 \| good
2026-09-23T11:00:00.000Z	49 \| good	8.588 \| good	37.821 \| good	17.181 \| good	0.556 \| good	14.719 \| good	0.232 \| good

Real-time air quality index in Modesto, California today

Common air pollutants in Modesto, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Modesto, California air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

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How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Modesto, California?

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

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

What are the current PM10 levels at Modesto, California?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What are the current PM₁₀ levels at Modesto, California?

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

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

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