What are the current PM10 levels at Reading, Massachusetts?

The current PM10 levels in Reading, Massachusetts are 19.53 μg/m3.

What are the current sulfur dioxide (SO2) levels at Reading, Massachusetts?

The current sulfur dioxide (SO2) levels in Reading, Massachusetts are 0.409 ppb.

What are the current ozone (O3) levels at Reading, Massachusetts?

The current ozone (O3) levels at Reading, Massachusetts is 29.295 ppm.

What are the current nitrogen dioxide (NO2) levels at Reading, Massachusetts?

The current nitrogen dioxide (NO2) levels at Reading, Massachusetts is 6.801 ppb.

Real-time air quality index in Reading, Massachusetts today

Name: Live air pollution levels in Reading, Massachusetts today
Creator: Ambee

Stay updated with real-time air quality in Reading, Massachusetts 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

Reading, Massachusetts

Last updated: ... (Local time)

Common air pollutants in Reading, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

28.95 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

107.45 μg/m³

155

255

425

605+

Ozone (O₃)

24.55 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.53 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Reading, Massachusetts

Get Live Pollen Counts

Reading, Massachusetts

Scroll To Air Quality Map

Track live Reading, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T04:00:00.000Z	52 \| moderate	10.239 \| good	46.686 \| good	26.791 \| good	0.371 \| good	9.595 \| good	0.318 \| good
2025-07-30T05:00:00.000Z	52 \| moderate	9.768 \| good	38.636 \| good	31.778 \| good	0.4 \| good	16.442 \| good	0.327 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.62 \| good	22.948 \| good	33.953 \| good	0.322 \| good	12.569 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	58 \| moderate	7.949 \| good	69.017 \| fine	33.303 \| good	0.505 \| good	13.422 \| good	0.34 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.688 \| good	42.768 \| good	26.377 \| good	0.534 \| good	14.705 \| good	0.322 \| good
2025-07-30T09:00:00.000Z	54 \| moderate	10.586 \| good	48.186 \| good	23.708 \| good	0.513 \| good	10.058 \| good	0.236 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	10.2 \| good	44.459 \| good	16.407 \| good	0.4 \| good	9.585 \| good	0.236 \| good
2025-07-30T11:00:00.000Z	44 \| good	8.165 \| good	31.14 \| good	17.287 \| good	0.419 \| good	14.91 \| good	0.256 \| good
2025-07-30T12:00:00.000Z	44 \| good	8.064 \| good	28.268 \| good	19.531 \| good	0.487 \| good	11.15 \| good	0.347 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.664 \| good	37.629 \| good	20.492 \| good	0.407 \| good	10.049 \| good	0.318 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	10.221 \| good	40.285 \| good	29.557 \| good	0.463 \| good	7.166 \| good	0.277 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.977 \| good	47.06 \| good	28.956 \| good	0.39 \| good	3.59 \| good	0.27 \| good
2025-07-30T16:00:00.000Z	49 \| good	8.973 \| good	50.17 \| good	38.394 \| good	0.412 \| good	5.27 \| good	0.246 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	9.627 \| good	37.161 \| good	40.23 \| good	0.598 \| good	6.423 \| good	0.277 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	9.599 \| good	40.826 \| good	42.752 \| good	0.618 \| good	6.542 \| good	0.258 \| good
2025-07-30T19:00:00.000Z	56 \| moderate	11.69 \| good	41.611 \| good	42.554 \| good	0.583 \| good	5.832 \| good	0.267 \| good
2025-07-30T20:00:00.000Z	52 \| moderate	9.596 \| good	35.048 \| good	40.612 \| good	0.505 \| good	5.441 \| good	0.267 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.156 \| good	46.058 \| good	44.298 \| good	0.537 \| good	5.338 \| good	0.28 \| good
2025-07-30T22:00:00.000Z	52 \| moderate	10.065 \| good	51.806 \| good	42.318 \| good	0.477 \| good	7.582 \| good	0.312 \| good
2025-07-30T23:00:00.000Z	44 \| good	8.238 \| good	31.219 \| good	39.223 \| good	0.638 \| good	11.696 \| good	0.249 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.155 \| good	47.294 \| good	37.596 \| good	0.421 \| good	8.807 \| good	0.249 \| good
2025-07-31T01:00:00.000Z	44 \| good	8.278 \| good	29.851 \| good	39.457 \| good	0.401 \| good	11.48 \| good	0.311 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.973 \| good	44.052 \| good	37.8 \| good	0.378 \| good	9.132 \| good	0.28 \| good
2025-07-31T03:00:00.000Z	49 \| good	8.942 \| good	30.46 \| good	27.725 \| good	0.408 \| good	7.445 \| good	0.249 \| good
2025-07-31T04:00:00.000Z	49 \| good	8.63 \| good	19.53 \| good	29.295 \| good	0.409 \| good	6.801 \| good	0.277 \| good
2025-07-31T05:00:00.000Z	49 \| good	9.356 \| good	38.293 \| good	37.047 \| good	0.48 \| good	10.086 \| good	0.291 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	10.589 \| good	87.142 \| fine	34.328 \| good	0.967 \| good	9.237 \| good	0.326 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	19.953 \| fine	59.745 \| fine	23.993 \| good	0.363 \| good	11.497 \| good	0.227 \| good
2025-07-31T08:00:00.000Z	56 \| moderate	11.777 \| good	55.243 \| fine	32.54 \| good	0.463 \| good	12.078 \| good	0.227 \| good
2025-07-31T09:00:00.000Z	49 \| good	8.968 \| good	30 \| good	23.991 \| good	0.594 \| good	6.334 \| good	0.187 \| good
2025-07-31T10:00:00.000Z	49 \| good	9.291 \| good	32.79 \| good	28.122 \| good	0.693 \| good	5.023 \| good	0.187 \| good
2025-07-31T11:00:00.000Z	52 \| moderate	10.156 \| good	25.972 \| good	24.718 \| good	0.594 \| good	6.288 \| good	0.269 \| good
2025-07-31T12:00:00.000Z	52 \| moderate	10.461 \| good	41.132 \| good	24.97 \| good	1.002 \| good	7.606 \| good	0.287 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	13.112 \| fine	57.617 \| fine	25.128 \| good	0.74 \| good	7.968 \| good	0.318 \| good
2025-07-31T14:00:00.000Z	69 \| moderate	19.484 \| fine	43.643 \| good	26.019 \| good	0.339 \| good	7.602 \| good	0.328 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	18.98 \| fine	82.151 \| fine	25.402 \| good	0.335 \| good	7.555 \| good	0.359 \| good
2025-07-31T16:00:00.000Z	79 \| moderate	23.783 \| fine	64.908 \| fine	25.56 \| good	0.384 \| good	5.84 \| good	0.359 \| good
2025-07-31T17:00:00.000Z	82 \| moderate	26.222 \| fine	89.219 \| fine	24.194 \| good	0.354 \| good	6.029 \| good	0.328 \| good
2025-07-31T18:00:00.000Z	86 \| moderate	28.325 \| fine	102.949 \| fine	23.074 \| good	0.307 \| good	5.495 \| good	0.328 \| good
2025-07-31T19:00:00.000Z	96 \| moderate	33.043 \| fine	77.862 \| fine	22.717 \| good	0.342 \| good	5.07 \| good	0.359 \| good
2025-07-31T20:00:00.000Z	97 \| moderate	33.947 \| fine	98.504 \| fine	25.796 \| good	0.378 \| good	4.125 \| good	0.328 \| good
2025-07-31T21:00:00.000Z	96 \| moderate	32.528 \| fine	115.512 \| fine	28.053 \| good	0.332 \| good	4.483 \| good	0.31 \| good
2025-07-31T22:00:00.000Z	92 \| moderate	31.153 \| fine	82.651 \| fine	23.706 \| good	0.321 \| good	5.464 \| good	0.31 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	13.138 \| fine	59.058 \| fine	22.215 \| good	0.631 \| good	5.271 \| good	0.28 \| good
2025-08-01T00:00:00.000Z	88 \| moderate	28.862 \| fine	37.982 \| good	23.701 \| good	0.345 \| good	7.255 \| good	0.31 \| good
2025-08-01T01:00:00.000Z	90 \| moderate	30.251 \| fine	120.946 \| fine	25.11 \| good	0.335 \| good	4.923 \| good	0.3 \| good
2025-08-01T02:00:00.000Z	92 \| moderate	30.983 \| fine	68.478 \| fine	27.331 \| good	0.292 \| good	4.393 \| good	0.269 \| good
2025-08-01T03:00:00.000Z	88 \| moderate	28.948 \| fine	107.452 \| fine	24.554 \| good	0.294 \| good	4.533 \| good	0.269 \| good
2025-08-01T03:00:00.000Z	88 \| moderate	28.948 \| fine	107.452 \| fine	24.554 \| good	0.294 \| good	4.533 \| good	0.269 \| good
2025-07-31T06:00:00.000Z	77 \| moderate	23.012 \| fine	100.881 \| fine	22.025 \| good	0.538 \| good	3.196 \| good	0.232 \| good
2025-07-31T07:00:00.000Z	79 \| moderate	23.774 \| fine	103.53 \| fine	24.092 \| good	0.585 \| good	3.083 \| good	0.238 \| good
2025-07-31T08:00:00.000Z	79 \| moderate	24.397 \| fine	106.519 \| fine	22.426 \| good	0.632 \| good	2.97 \| good	0.244 \| good
2025-07-31T09:00:00.000Z	90 \| moderate	29.722 \| fine	128.897 \| fine	20.172 \| good	0.679 \| good	2.857 \| good	0.251 \| good
2025-07-31T10:00:00.000Z	88 \| moderate	29.473 \| fine	128.346 \| fine	20.521 \| good	0.734 \| good	3.247 \| good	0.259 \| good
2025-07-31T11:00:00.000Z	88 \| moderate	29.206 \| fine	126.259 \| fine	25.707 \| good	0.79 \| good	3.636 \| good	0.267 \| good
2025-07-31T12:00:00.000Z	90 \| moderate	29.569 \| fine	128.552 \| fine	27.996 \| good	0.846 \| good	4.026 \| good	0.275 \| good
2025-07-31T13:00:00.000Z	86 \| moderate	27.562 \| fine	120.197 \| fine	30.217 \| good	0.8 \| good	3.517 \| good	0.269 \| good
2025-07-31T14:00:00.000Z	79 \| moderate	24.442 \| fine	106.23 \| fine	31.066 \| good	0.754 \| good	3.008 \| good	0.263 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	19.259 \| fine	84.905 \| fine	32.365 \| good	0.708 \| good	2.499 \| good	0.258 \| good
2025-07-31T16:00:00.000Z	66 \| moderate	16.713 \| fine	74.386 \| fine	34.621 \| good	0.658 \| good	2.22 \| good	0.253 \| good
2025-07-31T17:00:00.000Z	64 \| moderate	16.135 \| fine	71.26 \| fine	34.571 \| good	0.608 \| good	1.942 \| good	0.248 \| good
2025-07-31T18:00:00.000Z	64 \| moderate	16.312 \| fine	72.953 \| fine	35.175 \| good	0.558 \| good	1.664 \| good	0.244 \| good
2025-07-31T19:00:00.000Z	66 \| moderate	16.912 \| fine	75.226 \| fine	33.628 \| good	0.585 \| good	2.039 \| good	0.245 \| good
2025-07-31T20:00:00.000Z	69 \| moderate	19.454 \| fine	85.913 \| fine	28.746 \| good	0.612 \| good	2.415 \| good	0.246 \| good
2025-07-31T21:00:00.000Z	66 \| moderate	17.241 \| fine	76.357 \| fine	25.118 \| good	0.639 \| good	2.79 \| good	0.248 \| good
2025-07-31T22:00:00.000Z	60 \| moderate	14.16 \| fine	63.491 \| fine	22.9 \| good	0.71 \| good	4.348 \| good	0.258 \| good
2025-07-31T23:00:00.000Z	54 \| moderate	10.825 \| good	48.178 \| good	25.327 \| good	0.78 \| good	5.905 \| good	0.268 \| good
2025-08-01T00:00:00.000Z	52 \| moderate	9.809 \| good	43.535 \| good	24.485 \| good	0.85 \| good	7.462 \| good	0.278 \| good
2025-08-01T01:00:00.000Z	52 \| moderate	10.034 \| good	44.334 \| good	23.361 \| good	0.927 \| good	8.071 \| good	0.284 \| good
2025-08-01T02:00:00.000Z	52 \| moderate	10.088 \| good	44.929 \| good	24.121 \| good	1.004 \| good	8.679 \| good	0.29 \| good
2025-08-01T03:00:00.000Z	54 \| moderate	10.913 \| good	48.224 \| good	22.52 \| good	1.081 \| good	9.287 \| good	0.295 \| good
2025-08-01T04:00:00.000Z	54 \| moderate	11.365 \| good	50.574 \| good	21.86 \| good	1.184 \| good	9.01 \| good	0.293 \| good
2025-08-01T05:00:00.000Z	54 \| moderate	11.292 \| good	49.844 \| good	23.152 \| good	1.288 \| good	8.733 \| good	0.292 \| good
2025-08-01T06:00:00.000Z	52 \| moderate	9.763 \| good	43.497 \| good	24.635 \| good	1.392 \| good	8.456 \| good	0.29 \| good
2025-08-01T07:00:00.000Z	49 \| good	9.183 \| good	41.181 \| good	25.079 \| good	1.279 \| good	7.025 \| good	0.274 \| good
2025-08-01T08:00:00.000Z	44 \| good	8.361 \| good	36.656 \| good	25.478 \| good	1.166 \| good	5.594 \| good	0.258 \| good
2025-08-01T09:00:00.000Z	44 \| good	7.585 \| good	33.408 \| good	22.261 \| good	1.052 \| good	4.162 \| good	0.241 \| good
2025-08-01T10:00:00.000Z	44 \| good	7.545 \| good	33.458 \| good	20.124 \| good	0.914 \| good	4.306 \| good	0.23 \| good
2025-08-01T11:00:00.000Z	49 \| good	9.258 \| good	41.2 \| good	19.142 \| good	0.776 \| good	4.45 \| good	0.22 \| good
2025-08-01T12:00:00.000Z	49 \| good	9.44 \| good	42.192 \| good	20.029 \| good	0.638 \| good	4.593 \| good	0.209 \| good
2025-08-01T13:00:00.000Z	44 \| good	7.784 \| good	34.25 \| good	22.002 \| good	0.635 \| good	4.693 \| good	0.206 \| good
2025-08-01T14:00:00.000Z	33 \| good	5.699 \| good	24.605 \| good	24.613 \| good	0.633 \| good	4.793 \| good	0.203 \| good
2025-08-01T15:00:00.000Z	33 \| good	5.573 \| good	23.973 \| good	24.588 \| good	0.63 \| good	4.893 \| good	0.201 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.028 \| good	21.85 \| good	23.432 \| good	0.63 \| good	4.34 \| good	0.196 \| good
2025-08-01T17:00:00.000Z	27 \| good	5.25 \| good	22.688 \| good	23.822 \| good	0.63 \| good	3.787 \| good	0.192 \| good
2025-08-01T18:00:00.000Z	22 \| good	4.446 \| good	19.224 \| good	24.112 \| good	0.63 \| good	3.234 \| good	0.187 \| good
2025-08-01T19:00:00.000Z	22 \| good	4.04 \| good	17.836 \| good	24.429 \| good	0.621 \| good	3.223 \| good	0.188 \| good
2025-08-01T20:00:00.000Z	22 \| good	4.389 \| good	19.006 \| good	23.716 \| good	0.612 \| good	3.212 \| good	0.188 \| good
2025-08-01T21:00:00.000Z	20 \| good	3.381 \| good	14.792 \| good	22.322 \| good	0.602 \| good	3.202 \| good	0.189 \| good
2025-08-01T22:00:00.000Z	22 \| good	3.538 \| good	15.766 \| good	21.636 \| good	0.618 \| good	4.127 \| good	0.196 \| good
2025-08-01T23:00:00.000Z	27 \| good	4.629 \| good	19.96 \| good	18.846 \| good	0.634 \| good	5.051 \| good	0.203 \| good
2025-08-02T00:00:00.000Z	66 \| moderate	16.742 \| fine	18.306 \| good	36.363 \| good	0.638 \| good	5.863 \| good	0.208 \| good
2025-08-02T01:00:00.000Z	49 \| good	8.72 \| good	38.139 \| good	20.357 \| good	0.7 \| good	7.101 \| good	0.22 \| good
2025-08-02T02:00:00.000Z	44 \| good	8.446 \| good	37.543 \| good	20.612 \| good	0.749 \| good	8.225 \| good	0.23 \| good
2025-08-02T03:00:00.000Z	44 \| good	8.319 \| good	36.312 \| good	19.835 \| good	0.798 \| good	9.35 \| good	0.24 \| good
2025-08-02T04:00:00.000Z	49 \| good	8.79 \| good	38.981 \| good	17.025 \| good	0.81 \| good	9.034 \| good	0.241 \| good
2025-08-02T05:00:00.000Z	52 \| moderate	9.626 \| good	42.817 \| good	16.515 \| good	0.822 \| good	8.718 \| good	0.242 \| good

Reading

Empower business decisions with accurate air quality data

Reading, Massachusetts air quality map: Real-time AQI near you

0.27ppm

How accurate is Massachusetts, USA air quality data?

Air quality measurements for Massachusetts, 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 Reading, Massachusetts updated?

Air quality data for Reading, Massachusetts is updated on an hourly basis.

When did Reading, Massachusetts experience the worst air quality in the last 24 hours?

The worst air quality in Reading, Massachusetts was recorded at 07:00:00 on 2025-07-30.

When did Reading, Massachusetts have its best air quality in the last 24 hours?

The best air quality in Reading, Massachusetts was recorded at 01:00:00 on 2025-07-31.

What is the real-time air quality index for Reading, Massachusetts?

The real-time air quality index in Reading, Massachusetts is 49, currently categorized as Good.

Which pollutant is found most often in Reading, Massachusetts?

The most common pollutant in Reading, Massachusetts is PM2.5.

What can I do if the air quality in Reading, Massachusetts is poor?

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

What are the current PM_2.5 levels in Reading, Massachusetts?

The measured PM_2.5 levels in Reading, Massachusetts at present are 8.63 μg/m³.

What are the current PM₁₀ levels at Reading, Massachusetts?

The current PM₁₀ levels in Reading, Massachusetts are 19.53 μg/m³.

What are the current carbon monoxide (CO) levels at Reading, Massachusetts?

The current carbon monoxide (CO) level in Reading, Massachusetts is 0.277 ppm.

What are the current sulfur dioxide (SO₂) levels at Reading, Massachusetts?

The current sulfur dioxide (SO₂) levels in Reading, Massachusetts are 0.409 ppb.

What are the current ozone (O₃) levels at Reading, Massachusetts?

The current ozone (O₃) levels at Reading, Massachusetts is 29.295 ppm.

What are the current nitrogen dioxide (NO₂) levels at Reading, Massachusetts?

The current nitrogen dioxide (NO₂) levels at Reading, Massachusetts is 6.801 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-30T04:00:00.000Z	52 \| moderate	10.239 \| good	46.686 \| good	26.791 \| good	0.371 \| good	9.595 \| good	0.318 \| good
2025-07-30T05:00:00.000Z	52 \| moderate	9.768 \| good	38.636 \| good	31.778 \| good	0.4 \| good	16.442 \| good	0.327 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.62 \| good	22.948 \| good	33.953 \| good	0.322 \| good	12.569 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	58 \| moderate	7.949 \| good	69.017 \| fine	33.303 \| good	0.505 \| good	13.422 \| good	0.34 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.688 \| good	42.768 \| good	26.377 \| good	0.534 \| good	14.705 \| good	0.322 \| good
2025-07-30T09:00:00.000Z	54 \| moderate	10.586 \| good	48.186 \| good	23.708 \| good	0.513 \| good	10.058 \| good	0.236 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	10.2 \| good	44.459 \| good	16.407 \| good	0.4 \| good	9.585 \| good	0.236 \| good
2025-07-30T11:00:00.000Z	44 \| good	8.165 \| good	31.14 \| good	17.287 \| good	0.419 \| good	14.91 \| good	0.256 \| good
2025-07-30T12:00:00.000Z	44 \| good	8.064 \| good	28.268 \| good	19.531 \| good	0.487 \| good	11.15 \| good	0.347 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.664 \| good	37.629 \| good	20.492 \| good	0.407 \| good	10.049 \| good	0.318 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	10.221 \| good	40.285 \| good	29.557 \| good	0.463 \| good	7.166 \| good	0.277 \| good
2025-07-30T15:00:00.000Z	52 \| moderate	9.977 \| good	47.06 \| good	28.956 \| good	0.39 \| good	3.59 \| good	0.27 \| good
2025-07-30T16:00:00.000Z	49 \| good	8.973 \| good	50.17 \| good	38.394 \| good	0.412 \| good	5.27 \| good	0.246 \| good
2025-07-30T17:00:00.000Z	52 \| moderate	9.627 \| good	37.161 \| good	40.23 \| good	0.598 \| good	6.423 \| good	0.277 \| good
2025-07-30T18:00:00.000Z	52 \| moderate	9.599 \| good	40.826 \| good	42.752 \| good	0.618 \| good	6.542 \| good	0.258 \| good
2025-07-30T19:00:00.000Z	56 \| moderate	11.69 \| good	41.611 \| good	42.554 \| good	0.583 \| good	5.832 \| good	0.267 \| good
2025-07-30T20:00:00.000Z	52 \| moderate	9.596 \| good	35.048 \| good	40.612 \| good	0.505 \| good	5.441 \| good	0.267 \| good
2025-07-30T21:00:00.000Z	52 \| moderate	10.156 \| good	46.058 \| good	44.298 \| good	0.537 \| good	5.338 \| good	0.28 \| good
2025-07-30T22:00:00.000Z	52 \| moderate	10.065 \| good	51.806 \| good	42.318 \| good	0.477 \| good	7.582 \| good	0.312 \| good
2025-07-30T23:00:00.000Z	44 \| good	8.238 \| good	31.219 \| good	39.223 \| good	0.638 \| good	11.696 \| good	0.249 \| good
2025-07-31T00:00:00.000Z	49 \| good	9.155 \| good	47.294 \| good	37.596 \| good	0.421 \| good	8.807 \| good	0.249 \| good
2025-07-31T01:00:00.000Z	44 \| good	8.278 \| good	29.851 \| good	39.457 \| good	0.401 \| good	11.48 \| good	0.311 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.973 \| good	44.052 \| good	37.8 \| good	0.378 \| good	9.132 \| good	0.28 \| good
2025-07-31T03:00:00.000Z	49 \| good	8.942 \| good	30.46 \| good	27.725 \| good	0.408 \| good	7.445 \| good	0.249 \| good
2025-07-31T04:00:00.000Z	49 \| good	8.63 \| good	19.53 \| good	29.295 \| good	0.409 \| good	6.801 \| good	0.277 \| good
2025-07-31T05:00:00.000Z	49 \| good	9.356 \| good	38.293 \| good	37.047 \| good	0.48 \| good	10.086 \| good	0.291 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	10.589 \| good	87.142 \| fine	34.328 \| good	0.967 \| good	9.237 \| good	0.326 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	19.953 \| fine	59.745 \| fine	23.993 \| good	0.363 \| good	11.497 \| good	0.227 \| good
2025-07-31T08:00:00.000Z	56 \| moderate	11.777 \| good	55.243 \| fine	32.54 \| good	0.463 \| good	12.078 \| good	0.227 \| good
2025-07-31T09:00:00.000Z	49 \| good	8.968 \| good	30 \| good	23.991 \| good	0.594 \| good	6.334 \| good	0.187 \| good
2025-07-31T10:00:00.000Z	49 \| good	9.291 \| good	32.79 \| good	28.122 \| good	0.693 \| good	5.023 \| good	0.187 \| good
2025-07-31T11:00:00.000Z	52 \| moderate	10.156 \| good	25.972 \| good	24.718 \| good	0.594 \| good	6.288 \| good	0.269 \| good
2025-07-31T12:00:00.000Z	52 \| moderate	10.461 \| good	41.132 \| good	24.97 \| good	1.002 \| good	7.606 \| good	0.287 \| good
2025-07-31T13:00:00.000Z	58 \| moderate	13.112 \| fine	57.617 \| fine	25.128 \| good	0.74 \| good	7.968 \| good	0.318 \| good
2025-07-31T14:00:00.000Z	69 \| moderate	19.484 \| fine	43.643 \| good	26.019 \| good	0.339 \| good	7.602 \| good	0.328 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	18.98 \| fine	82.151 \| fine	25.402 \| good	0.335 \| good	7.555 \| good	0.359 \| good
2025-07-31T16:00:00.000Z	79 \| moderate	23.783 \| fine	64.908 \| fine	25.56 \| good	0.384 \| good	5.84 \| good	0.359 \| good
2025-07-31T17:00:00.000Z	82 \| moderate	26.222 \| fine	89.219 \| fine	24.194 \| good	0.354 \| good	6.029 \| good	0.328 \| good
2025-07-31T18:00:00.000Z	86 \| moderate	28.325 \| fine	102.949 \| fine	23.074 \| good	0.307 \| good	5.495 \| good	0.328 \| good
2025-07-31T19:00:00.000Z	96 \| moderate	33.043 \| fine	77.862 \| fine	22.717 \| good	0.342 \| good	5.07 \| good	0.359 \| good
2025-07-31T20:00:00.000Z	97 \| moderate	33.947 \| fine	98.504 \| fine	25.796 \| good	0.378 \| good	4.125 \| good	0.328 \| good
2025-07-31T21:00:00.000Z	96 \| moderate	32.528 \| fine	115.512 \| fine	28.053 \| good	0.332 \| good	4.483 \| good	0.31 \| good
2025-07-31T22:00:00.000Z	92 \| moderate	31.153 \| fine	82.651 \| fine	23.706 \| good	0.321 \| good	5.464 \| good	0.31 \| good
2025-07-31T23:00:00.000Z	58 \| moderate	13.138 \| fine	59.058 \| fine	22.215 \| good	0.631 \| good	5.271 \| good	0.28 \| good
2025-08-01T00:00:00.000Z	88 \| moderate	28.862 \| fine	37.982 \| good	23.701 \| good	0.345 \| good	7.255 \| good	0.31 \| good
2025-08-01T01:00:00.000Z	90 \| moderate	30.251 \| fine	120.946 \| fine	25.11 \| good	0.335 \| good	4.923 \| good	0.3 \| good
2025-08-01T02:00:00.000Z	92 \| moderate	30.983 \| fine	68.478 \| fine	27.331 \| good	0.292 \| good	4.393 \| good	0.269 \| good
2025-08-01T03:00:00.000Z	88 \| moderate	28.948 \| fine	107.452 \| fine	24.554 \| good	0.294 \| good	4.533 \| good	0.269 \| good
2025-08-01T03:00:00.000Z	88 \| moderate	28.948 \| fine	107.452 \| fine	24.554 \| good	0.294 \| good	4.533 \| good	0.269 \| good
2025-07-31T06:00:00.000Z	77 \| moderate	23.012 \| fine	100.881 \| fine	22.025 \| good	0.538 \| good	3.196 \| good	0.232 \| good
2025-07-31T07:00:00.000Z	79 \| moderate	23.774 \| fine	103.53 \| fine	24.092 \| good	0.585 \| good	3.083 \| good	0.238 \| good
2025-07-31T08:00:00.000Z	79 \| moderate	24.397 \| fine	106.519 \| fine	22.426 \| good	0.632 \| good	2.97 \| good	0.244 \| good
2025-07-31T09:00:00.000Z	90 \| moderate	29.722 \| fine	128.897 \| fine	20.172 \| good	0.679 \| good	2.857 \| good	0.251 \| good
2025-07-31T10:00:00.000Z	88 \| moderate	29.473 \| fine	128.346 \| fine	20.521 \| good	0.734 \| good	3.247 \| good	0.259 \| good
2025-07-31T11:00:00.000Z	88 \| moderate	29.206 \| fine	126.259 \| fine	25.707 \| good	0.79 \| good	3.636 \| good	0.267 \| good
2025-07-31T12:00:00.000Z	90 \| moderate	29.569 \| fine	128.552 \| fine	27.996 \| good	0.846 \| good	4.026 \| good	0.275 \| good
2025-07-31T13:00:00.000Z	86 \| moderate	27.562 \| fine	120.197 \| fine	30.217 \| good	0.8 \| good	3.517 \| good	0.269 \| good
2025-07-31T14:00:00.000Z	79 \| moderate	24.442 \| fine	106.23 \| fine	31.066 \| good	0.754 \| good	3.008 \| good	0.263 \| good
2025-07-31T15:00:00.000Z	69 \| moderate	19.259 \| fine	84.905 \| fine	32.365 \| good	0.708 \| good	2.499 \| good	0.258 \| good
2025-07-31T16:00:00.000Z	66 \| moderate	16.713 \| fine	74.386 \| fine	34.621 \| good	0.658 \| good	2.22 \| good	0.253 \| good
2025-07-31T17:00:00.000Z	64 \| moderate	16.135 \| fine	71.26 \| fine	34.571 \| good	0.608 \| good	1.942 \| good	0.248 \| good
2025-07-31T18:00:00.000Z	64 \| moderate	16.312 \| fine	72.953 \| fine	35.175 \| good	0.558 \| good	1.664 \| good	0.244 \| good
2025-07-31T19:00:00.000Z	66 \| moderate	16.912 \| fine	75.226 \| fine	33.628 \| good	0.585 \| good	2.039 \| good	0.245 \| good
2025-07-31T20:00:00.000Z	69 \| moderate	19.454 \| fine	85.913 \| fine	28.746 \| good	0.612 \| good	2.415 \| good	0.246 \| good
2025-07-31T21:00:00.000Z	66 \| moderate	17.241 \| fine	76.357 \| fine	25.118 \| good	0.639 \| good	2.79 \| good	0.248 \| good
2025-07-31T22:00:00.000Z	60 \| moderate	14.16 \| fine	63.491 \| fine	22.9 \| good	0.71 \| good	4.348 \| good	0.258 \| good
2025-07-31T23:00:00.000Z	54 \| moderate	10.825 \| good	48.178 \| good	25.327 \| good	0.78 \| good	5.905 \| good	0.268 \| good
2025-08-01T00:00:00.000Z	52 \| moderate	9.809 \| good	43.535 \| good	24.485 \| good	0.85 \| good	7.462 \| good	0.278 \| good
2025-08-01T01:00:00.000Z	52 \| moderate	10.034 \| good	44.334 \| good	23.361 \| good	0.927 \| good	8.071 \| good	0.284 \| good
2025-08-01T02:00:00.000Z	52 \| moderate	10.088 \| good	44.929 \| good	24.121 \| good	1.004 \| good	8.679 \| good	0.29 \| good
2025-08-01T03:00:00.000Z	54 \| moderate	10.913 \| good	48.224 \| good	22.52 \| good	1.081 \| good	9.287 \| good	0.295 \| good
2025-08-01T04:00:00.000Z	54 \| moderate	11.365 \| good	50.574 \| good	21.86 \| good	1.184 \| good	9.01 \| good	0.293 \| good
2025-08-01T05:00:00.000Z	54 \| moderate	11.292 \| good	49.844 \| good	23.152 \| good	1.288 \| good	8.733 \| good	0.292 \| good
2025-08-01T06:00:00.000Z	52 \| moderate	9.763 \| good	43.497 \| good	24.635 \| good	1.392 \| good	8.456 \| good	0.29 \| good
2025-08-01T07:00:00.000Z	49 \| good	9.183 \| good	41.181 \| good	25.079 \| good	1.279 \| good	7.025 \| good	0.274 \| good
2025-08-01T08:00:00.000Z	44 \| good	8.361 \| good	36.656 \| good	25.478 \| good	1.166 \| good	5.594 \| good	0.258 \| good
2025-08-01T09:00:00.000Z	44 \| good	7.585 \| good	33.408 \| good	22.261 \| good	1.052 \| good	4.162 \| good	0.241 \| good
2025-08-01T10:00:00.000Z	44 \| good	7.545 \| good	33.458 \| good	20.124 \| good	0.914 \| good	4.306 \| good	0.23 \| good
2025-08-01T11:00:00.000Z	49 \| good	9.258 \| good	41.2 \| good	19.142 \| good	0.776 \| good	4.45 \| good	0.22 \| good
2025-08-01T12:00:00.000Z	49 \| good	9.44 \| good	42.192 \| good	20.029 \| good	0.638 \| good	4.593 \| good	0.209 \| good
2025-08-01T13:00:00.000Z	44 \| good	7.784 \| good	34.25 \| good	22.002 \| good	0.635 \| good	4.693 \| good	0.206 \| good
2025-08-01T14:00:00.000Z	33 \| good	5.699 \| good	24.605 \| good	24.613 \| good	0.633 \| good	4.793 \| good	0.203 \| good
2025-08-01T15:00:00.000Z	33 \| good	5.573 \| good	23.973 \| good	24.588 \| good	0.63 \| good	4.893 \| good	0.201 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.028 \| good	21.85 \| good	23.432 \| good	0.63 \| good	4.34 \| good	0.196 \| good
2025-08-01T17:00:00.000Z	27 \| good	5.25 \| good	22.688 \| good	23.822 \| good	0.63 \| good	3.787 \| good	0.192 \| good
2025-08-01T18:00:00.000Z	22 \| good	4.446 \| good	19.224 \| good	24.112 \| good	0.63 \| good	3.234 \| good	0.187 \| good
2025-08-01T19:00:00.000Z	22 \| good	4.04 \| good	17.836 \| good	24.429 \| good	0.621 \| good	3.223 \| good	0.188 \| good
2025-08-01T20:00:00.000Z	22 \| good	4.389 \| good	19.006 \| good	23.716 \| good	0.612 \| good	3.212 \| good	0.188 \| good
2025-08-01T21:00:00.000Z	20 \| good	3.381 \| good	14.792 \| good	22.322 \| good	0.602 \| good	3.202 \| good	0.189 \| good
2025-08-01T22:00:00.000Z	22 \| good	3.538 \| good	15.766 \| good	21.636 \| good	0.618 \| good	4.127 \| good	0.196 \| good
2025-08-01T23:00:00.000Z	27 \| good	4.629 \| good	19.96 \| good	18.846 \| good	0.634 \| good	5.051 \| good	0.203 \| good
2025-08-02T00:00:00.000Z	66 \| moderate	16.742 \| fine	18.306 \| good	36.363 \| good	0.638 \| good	5.863 \| good	0.208 \| good
2025-08-02T01:00:00.000Z	49 \| good	8.72 \| good	38.139 \| good	20.357 \| good	0.7 \| good	7.101 \| good	0.22 \| good
2025-08-02T02:00:00.000Z	44 \| good	8.446 \| good	37.543 \| good	20.612 \| good	0.749 \| good	8.225 \| good	0.23 \| good
2025-08-02T03:00:00.000Z	44 \| good	8.319 \| good	36.312 \| good	19.835 \| good	0.798 \| good	9.35 \| good	0.24 \| good
2025-08-02T04:00:00.000Z	49 \| good	8.79 \| good	38.981 \| good	17.025 \| good	0.81 \| good	9.034 \| good	0.241 \| good
2025-08-02T05:00:00.000Z	52 \| moderate	9.626 \| good	42.817 \| good	16.515 \| good	0.822 \| good	8.718 \| good	0.242 \| good

Real-time air quality index in Reading, Massachusetts today

Common air pollutants in Reading, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Reading, Massachusetts air quality forecast and history

Empower business decisions with accurate air quality data

Reading, Massachusetts air quality map: Real-time AQI near you

Air quality in nearby cities

Wakefield, Massachusetts

Stoneham, Massachusetts

Lynnfield, Massachusetts

North Reading, Massachusetts

Wilmington, Massachusetts

Woburn, Massachusetts

How accurate is Massachusetts, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for Reading, Massachusetts updated?

When did Reading, Massachusetts experience the worst air quality in the last 24 hours?

When did Reading, Massachusetts have its best air quality in the last 24 hours?

What is the real-time air quality index for Reading, Massachusetts?

Which pollutant is found most often in Reading, Massachusetts?

What can I do if the air quality in Reading, Massachusetts is poor?

What are the current PM2.5 levels in Reading, Massachusetts?

What are the current PM10 levels at Reading, Massachusetts?

What are the current carbon monoxide (CO) levels at Reading, Massachusetts?

What are the current sulfur dioxide (SO2) levels at Reading, Massachusetts?

What are the current ozone (O3) levels at Reading, Massachusetts?

What are the current nitrogen dioxide (NO2) levels at Reading, Massachusetts?

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 Reading, Massachusetts?

What are the current PM₁₀ levels at Reading, Massachusetts?

What are the current sulfur dioxide (SO₂) levels at Reading, Massachusetts?

What are the current ozone (O₃) levels at Reading, Massachusetts?

What are the current nitrogen dioxide (NO₂) levels at Reading, Massachusetts?