What are the current PM10 levels at Reading, Massachusetts?

The current PM10 levels in Reading, Massachusetts are 21.927 μg/m3.

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

The current sulfur dioxide (SO2) levels in Reading, Massachusetts are 0.605 ppb.

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

The current ozone (O3) levels at Reading, Massachusetts is 40.804 ppm.

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

The current nitrogen dioxide (NO2) levels at Reading, Massachusetts is 12.204 ppb.

Real-time air quality index in Reading, Massachusetts today

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

The measured PM2.5 levels in Reading, Massachusetts at present are 5.17 μg/m3.

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)

Good

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)

5.17 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

21.93 μg/m³

155

255

425

605+

Ozone (O₃)

40.80 ppb

201

201+

Sulfur Dioxide (SO₂)

0.60 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-05-12T16:00:00.000Z	30 \| good	2.201 \| good	8.494 \| good	31.903 \| good	0.551 \| good	3.418 \| good	0.152 \| good
2026-05-12T17:00:00.000Z	31 \| good	2.201 \| good	8.494 \| good	33.244 \| good	0.522 \| good	3.827 \| good	0.152 \| good
2026-05-12T18:00:00.000Z	31 \| good	2.226 \| good	9.072 \| good	34.253 \| good	0.538 \| good	3.488 \| good	0.152 \| good
2026-05-12T19:00:00.000Z	33 \| good	2.271 \| good	9.244 \| good	35.811 \| good	0.539 \| good	3.469 \| good	0.152 \| good
2026-05-12T20:00:00.000Z	34 \| good	1.795 \| good	6.91 \| good	37.175 \| good	0.55 \| good	2.234 \| good	0.146 \| good
2026-05-12T21:00:00.000Z	35 \| good	1.795 \| good	6.91 \| good	37.903 \| good	0.547 \| good	2.186 \| good	0.146 \| good
2026-05-12T22:00:00.000Z	35 \| good	1.673 \| good	6.415 \| good	37.59 \| good	0.52 \| good	2.675 \| good	0.139 \| good
2026-05-12T23:00:00.000Z	34 \| good	2.17 \| good	8.512 \| good	37.063 \| good	0.512 \| good	5.305 \| good	0.146 \| good
2026-05-13T00:00:00.000Z	34 \| good	2.652 \| good	9.98 \| good	37.022 \| good	0.552 \| good	6.09 \| good	0.185 \| good
2026-05-13T01:00:00.000Z	33 \| good	2.652 \| good	9.98 \| good	35.646 \| good	0.58 \| good	5.721 \| good	0.198 \| good
2026-05-13T02:00:00.000Z	31 \| good	3.293 \| good	12.825 \| good	32.613 \| good	0.613 \| good	10.008 \| good	0.198 \| good
2026-05-13T03:00:00.000Z	33 \| good	5.852 \| good	26.558 \| good	17.064 \| good	0.504 \| good	20.286 \| good	0.218 \| good
2026-05-13T04:00:00.000Z	26 \| good	4.388 \| good	16.235 \| good	28.187 \| good	0.49 \| good	10.933 \| good	0.231 \| good
2026-05-13T05:00:00.000Z	22 \| good	4.388 \| good	16.235 \| good	24.398 \| good	0.495 \| good	10.435 \| good	0.224 \| good
2026-05-13T06:00:00.000Z	22 \| good	4.388 \| good	16.235 \| good	24.138 \| good	0.488 \| good	10.12 \| good	0.218 \| good
2026-05-13T07:00:00.000Z	22 \| good	4.388 \| good	16.235 \| good	22.436 \| good	0.401 \| good	8.077 \| good	0.1 \| good
2026-05-13T08:00:00.000Z	27 \| good	4.694 \| good	16.682 \| good	24.896 \| good	0.455 \| good	7.721 \| good	0.139 \| good
2026-05-13T09:00:00.000Z	23 \| good	4.456 \| good	15.659 \| good	24.536 \| good	0.452 \| good	9.053 \| good	0.139 \| good
2026-05-13T10:00:00.000Z	22 \| good	4.102 \| good	14.317 \| good	20.583 \| good	0.521 \| good	10.244 \| good	0.185 \| good
2026-05-13T11:00:00.000Z	22 \| good	3.978 \| good	13.882 \| good	21.868 \| good	0.515 \| good	11.499 \| good	0.231 \| good
2026-05-13T12:00:00.000Z	22 \| good	3.898 \| good	14.31 \| good	23.863 \| good	0.598 \| good	10.575 \| good	0.239 \| good
2026-05-13T13:00:00.000Z	22 \| good	3.898 \| good	14.31 \| good	23.748 \| good	0.595 \| good	10.721 \| good	0.239 \| good
2026-05-13T14:00:00.000Z	22 \| good	4.409 \| good	17.284 \| good	23.924 \| good	0.557 \| good	12.4 \| good	0.239 \| good
2026-05-13T15:00:00.000Z	27 \| good	5.017 \| good	20.108 \| good	25.651 \| good	0.595 \| good	10.549 \| good	0.199 \| good
2026-05-13T16:00:00.000Z	38 \| good	7.438 \| good	32.982 \| good	28.12 \| good	0.348 \| good	4.26 \| good	0.158 \| good
2026-05-13T17:00:00.000Z	28 \| good	4.968 \| good	19.644 \| good	30.445 \| good	0.341 \| good	7.006 \| good	0.233 \| good
2026-05-13T18:00:00.000Z	30 \| good	4.899 \| good	19.333 \| good	32.456 \| good	0.619 \| good	7.616 \| good	0.278 \| good
2026-05-13T19:00:00.000Z	34 \| good	4.899 \| good	19.333 \| good	37.334 \| good	0.617 \| good	7.489 \| good	0.272 \| good
2026-05-13T20:00:00.000Z	41 \| good	5.21 \| good	21.447 \| good	44.095 \| good	0.671 \| good	4.975 \| good	0.191 \| good
2026-05-13T21:00:00.000Z	39 \| good	5.192 \| good	22.492 \| good	42.22 \| good	0.672 \| good	4.906 \| good	0.152 \| good
2026-05-13T22:00:00.000Z	40 \| good	5.207 \| good	21.789 \| good	43.262 \| good	0.703 \| good	6.045 \| good	0.146 \| good
2026-05-13T23:00:00.000Z	46 \| good	5.188 \| good	21.202 \| good	49.7 \| good	0.665 \| good	6.798 \| good	0.199 \| good
2026-05-14T00:00:00.000Z	42 \| good	5.188 \| good	21.202 \| good	44.639 \| good	0.667 \| good	6.846 \| good	0.193 \| good
2026-05-14T01:00:00.000Z	45 \| good	5.187 \| good	20.914 \| good	48.946 \| good	0.597 \| good	7.202 \| good	0.233 \| good
2026-05-14T02:00:00.000Z	43 \| good	5.38 \| good	20.898 \| good	46.387 \| good	0.605 \| good	6.664 \| good	0.233 \| good
2026-05-14T03:00:00.000Z	43 \| good	5.42 \| good	20.944 \| good	45.662 \| good	0.54 \| good	4.414 \| good	0.264 \| good
2026-05-14T04:00:00.000Z	42 \| good	5.42 \| good	20.944 \| good	45.04 \| good	0.557 \| good	4.326 \| good	0.257 \| good
2026-05-14T05:00:00.000Z	41 \| good	5.402 \| good	20.595 \| good	44.044 \| good	0.559 \| good	3.951 \| good	0.179 \| good
2026-05-14T06:00:00.000Z	42 \| good	5.291 \| good	19.906 \| good	44.612 \| good	0.555 \| good	3.949 \| good	0.179 \| good
2026-05-14T07:00:00.000Z	41 \| good	5.291 \| good	19.906 \| good	43.628 \| good	0.556 \| good	3.6 \| good	0.179 \| good
2026-05-14T08:00:00.000Z	40 \| good	4.857 \| good	17.946 \| good	43.124 \| good	0.54 \| good	3.622 \| good	0.231 \| good
2026-05-14T09:00:00.000Z	37 \| good	4.624 \| good	17.24 \| good	39.902 \| good	0.556 \| good	3.363 \| good	0.139 \| good
2026-05-14T10:00:00.000Z	39 \| good	4.584 \| good	17.222 \| good	42.138 \| good	0.532 \| good	4.691 \| good	0.191 \| good
2026-05-14T11:00:00.000Z	36 \| good	4.637 \| good	17.452 \| good	38.914 \| good	0.644 \| good	6.563 \| good	0.164 \| good
2026-05-14T12:00:00.000Z	37 \| good	4.637 \| good	17.452 \| good	40.152 \| good	0.589 \| good	8.029 \| good	0.204 \| good
2026-05-14T13:00:00.000Z	36 \| good	4.784 \| good	18.051 \| good	39.293 \| good	0.589 \| good	7.857 \| good	0.198 \| good
2026-05-14T14:00:00.000Z	37 \| good	5.483 \| good	20.637 \| good	40.114 \| good	0.603 \| good	6.257 \| good	0.154 \| good
2026-05-14T15:00:00.000Z	40 \| good	5.318 \| good	19.785 \| good	43.274 \| good	0.579 \| good	5.246 \| good	0.148 \| good
2026-05-14T15:00:00.000Z	38 \| good	5.17 \| good	21.927 \| good	40.804 \| good	0.605 \| good	12.204 \| good	0.159 \| good
2026-05-14T16:00:00.000Z	40 \| good	4.384 \| good	18.934 \| good	42.979 \| good	0.236 \| good	4.366 \| good	0.146 \| good
2026-05-14T17:00:00.000Z	36 \| good	4.378 \| good	18.995 \| good	38.743 \| good	0.238 \| good	3.513 \| good	0.144 \| good
2026-05-14T18:00:00.000Z	32 \| good	4.311 \| good	18.919 \| good	35.449 \| good	0.241 \| good	3.544 \| good	0.143 \| good
2026-05-14T19:00:00.000Z	31 \| good	4.92 \| good	20.941 \| good	32.784 \| good	0.247 \| good	4.017 \| good	0.146 \| good
2026-05-14T20:00:00.000Z	28 \| good	4.363 \| good	18.884 \| good	30.054 \| good	0.251 \| good	5.237 \| good	0.153 \| good
2026-05-14T21:00:00.000Z	27 \| good	5.068 \| good	21.814 \| good	28.608 \| good	0.239 \| good	6.184 \| good	0.16 \| good
2026-05-14T22:00:00.000Z	27 \| good	4.779 \| good	20.822 \| good	29.263 \| good	0.229 \| good	8.027 \| good	0.174 \| good
2026-05-14T23:00:00.000Z	31 \| good	3.482 \| good	15.619 \| good	33.134 \| good	0.22 \| good	8.723 \| good	0.177 \| good
2026-05-15T00:00:00.000Z	31 \| good	3.472 \| good	15.568 \| good	32.529 \| good	0.229 \| good	10.436 \| good	0.181 \| good
2026-05-15T01:00:00.000Z	27 \| good	4.615 \| good	20.413 \| good	29.464 \| good	0.237 \| good	11.318 \| good	0.181 \| good
2026-05-15T02:00:00.000Z	33 \| good	5.856 \| good	26.225 \| good	25.949 \| good	0.234 \| good	10.497 \| good	0.173 \| good
2026-05-15T03:00:00.000Z	33 \| good	5.793 \| good	26.06 \| good	25.112 \| good	0.223 \| good	8.727 \| good	0.162 \| good
2026-05-15T04:00:00.000Z	33 \| good	5.68 \| good	24.512 \| good	24.318 \| good	0.214 \| good	7.941 \| good	0.157 \| good
2026-05-15T05:00:00.000Z	27 \| good	5.184 \| good	22.574 \| good	25.144 \| good	0.193 \| good	5.736 \| good	0.147 \| good
2026-05-15T06:00:00.000Z	27 \| good	4.137 \| good	18.531 \| good	28.594 \| good	0.18 \| good	4.306 \| good	0.138 \| good
2026-05-15T07:00:00.000Z	30 \| good	2.828 \| good	12.023 \| good	32.48 \| good	0.176 \| good	3.591 \| good	0.133 \| good
2026-05-15T08:00:00.000Z	31 \| good	2.024 \| good	8.141 \| good	34.16 \| good	0.177 \| good	3.251 \| good	0.129 \| good
2026-05-15T09:00:00.000Z	30 \| good	3.702 \| good	16.093 \| good	31.61 \| good	0.179 \| good	2.917 \| good	0.126 \| good
2026-05-15T10:00:00.000Z	27 \| good	3.293 \| good	14.135 \| good	29.245 \| good	0.183 \| good	2.901 \| good	0.125 \| good
2026-05-15T11:00:00.000Z	26 \| good	3.596 \| good	15.986 \| good	27.999 \| good	0.175 \| good	2.995 \| good	0.125 \| good
2026-05-15T12:00:00.000Z	28 \| good	3.225 \| good	13.975 \| good	29.552 \| good	0.155 \| good	3.433 \| good	0.128 \| good
2026-05-15T13:00:00.000Z	31 \| good	2.96 \| good	11.99 \| good	33.095 \| good	0.142 \| good	3.628 \| good	0.131 \| good
2026-05-15T14:00:00.000Z	32 \| good	3.715 \| good	16.038 \| good	34.603 \| good	0.137 \| good	3.231 \| good	0.129 \| good
2026-05-15T15:00:00.000Z	32 \| good	4.401 \| good	18.981 \| good	35.184 \| good	0.134 \| good	2.648 \| good	0.126 \| good
2026-05-15T16:00:00.000Z	32 \| good	5.29 \| good	22.834 \| good	35.333 \| good	0.138 \| good	2.438 \| good	0.125 \| good
2026-05-15T17:00:00.000Z	33 \| good	5.576 \| good	23.839 \| good	34.2 \| good	0.152 \| good	2.445 \| good	0.126 \| good
2026-05-15T18:00:00.000Z	31 \| good	5.247 \| good	22.746 \| good	33.704 \| good	0.173 \| good	2.6 \| good	0.129 \| good
2026-05-15T19:00:00.000Z	32 \| good	5.118 \| good	21.889 \| good	34.793 \| good	0.193 \| good	2.819 \| good	0.131 \| good
2026-05-15T20:00:00.000Z	31 \| good	4.529 \| good	19.837 \| good	34.18 \| good	0.217 \| good	3.52 \| good	0.137 \| good
2026-05-15T21:00:00.000Z	34 \| good	4.349 \| good	18.867 \| good	36.669 \| good	0.239 \| good	5.311 \| good	0.152 \| good
2026-05-15T22:00:00.000Z	36 \| good	2.159 \| good	8.905 \| good	38.62 \| good	0.26 \| good	6.649 \| good	0.164 \| good
2026-05-15T23:00:00.000Z	37 \| good	2.788 \| good	11.853 \| good	39.593 \| good	0.278 \| good	8.275 \| good	0.177 \| good
2026-05-16T00:00:00.000Z	32 \| good	2.926 \| good	11.936 \| good	34.782 \| good	0.285 \| good	10.596 \| good	0.186 \| good
2026-05-16T01:00:00.000Z	31 \| good	2.607 \| good	10.842 \| good	34.204 \| good	0.285 \| good	10.568 \| good	0.179 \| good
2026-05-16T02:00:00.000Z	31 \| good	2.408 \| good	9.95 \| good	34.073 \| good	0.283 \| good	10.505 \| good	0.175 \| good
2026-05-16T03:00:00.000Z	29 \| good	2.888 \| good	11.903 \| good	31.479 \| good	0.279 \| good	10.567 \| good	0.174 \| good
2026-05-16T04:00:00.000Z	26 \| good	4.174 \| good	18.753 \| good	28.407 \| good	0.251 \| good	9.292 \| good	0.169 \| good
2026-05-16T05:00:00.000Z	26 \| good	4.021 \| good	17.273 \| good	27.849 \| good	0.212 \| good	7.223 \| good	0.159 \| good
2026-05-16T06:00:00.000Z	29 \| good	3.129 \| good	3.415 \| good	30.73 \| good	0.18 \| good	5.704 \| good	0.15 \| good
2026-05-16T07:00:00.000Z	28 \| good	1.579 \| good	6.127 \| good	29.652 \| good	0.161 \| good	4.785 \| good	0.143 \| good
2026-05-16T08:00:00.000Z	26 \| good	1.375 \| good	5.148 \| good	28.25 \| good	0.157 \| good	4.197 \| good	0.14 \| good
2026-05-16T09:00:00.000Z	24 \| good	2.174 \| good	9.054 \| good	25.755 \| good	0.165 \| good	4.125 \| good	0.141 \| good
2026-05-16T10:00:00.000Z	26 \| good	2.257 \| good	9.054 \| good	27.889 \| good	0.174 \| good	4.363 \| good	0.145 \| good
2026-05-16T11:00:00.000Z	28 \| good	2.405 \| good	9.973 \| good	30.376 \| good	0.193 \| good	4.305 \| good	0.152 \| good
2026-05-16T12:00:00.000Z	25 \| good	3.716 \| good	3.822 \| good	27.428 \| good	0.224 \| good	4.327 \| good	0.161 \| good
2026-05-16T13:00:00.000Z	31 \| good	3.984 \| good	4.099 \| good	33.175 \| good	0.267 \| good	3.391 \| good	0.161 \| good
2026-05-16T14:00:00.000Z	37 \| good	4.119 \| good	4.269 \| good	39.905 \| good	0.316 \| good	2.463 \| good	0.155 \| good
2026-05-16T15:00:00.000Z	43 \| good	4.057 \| good	4.242 \| good	45.505 \| good	0.311 \| good	1.82 \| good	0.149 \| good

Reading

Empower business decisions with accurate air quality data

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

0.16ppm

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 11:00:00 on 2026-05-13.

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

The best air quality in Reading, Massachusetts was recorded at 03:00:00 on 2026-05-13.

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

The real-time air quality index in Reading, Massachusetts is 38, currently categorized as Good.

Which pollutant is found most often in Reading, Massachusetts?

The most common pollutant in Reading, Massachusetts is O3.

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 5.17 μg/m³.

What are the current PM₁₀ levels at Reading, Massachusetts?

The current PM₁₀ levels in Reading, Massachusetts are 21.927 μg/m³.

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

The current carbon monoxide (CO) level in Reading, Massachusetts is 0.159 ppm.

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

The current sulfur dioxide (SO₂) levels in Reading, Massachusetts are 0.605 ppb.

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

The current ozone (O₃) levels at Reading, Massachusetts is 40.804 ppm.

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

The current nitrogen dioxide (NO₂) levels at Reading, Massachusetts is 12.204 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-12T16:00:00.000Z	30 \| good	2.201 \| good	8.494 \| good	31.903 \| good	0.551 \| good	3.418 \| good	0.152 \| good
2026-05-12T17:00:00.000Z	31 \| good	2.201 \| good	8.494 \| good	33.244 \| good	0.522 \| good	3.827 \| good	0.152 \| good
2026-05-12T18:00:00.000Z	31 \| good	2.226 \| good	9.072 \| good	34.253 \| good	0.538 \| good	3.488 \| good	0.152 \| good
2026-05-12T19:00:00.000Z	33 \| good	2.271 \| good	9.244 \| good	35.811 \| good	0.539 \| good	3.469 \| good	0.152 \| good
2026-05-12T20:00:00.000Z	34 \| good	1.795 \| good	6.91 \| good	37.175 \| good	0.55 \| good	2.234 \| good	0.146 \| good
2026-05-12T21:00:00.000Z	35 \| good	1.795 \| good	6.91 \| good	37.903 \| good	0.547 \| good	2.186 \| good	0.146 \| good
2026-05-12T22:00:00.000Z	35 \| good	1.673 \| good	6.415 \| good	37.59 \| good	0.52 \| good	2.675 \| good	0.139 \| good
2026-05-12T23:00:00.000Z	34 \| good	2.17 \| good	8.512 \| good	37.063 \| good	0.512 \| good	5.305 \| good	0.146 \| good
2026-05-13T00:00:00.000Z	34 \| good	2.652 \| good	9.98 \| good	37.022 \| good	0.552 \| good	6.09 \| good	0.185 \| good
2026-05-13T01:00:00.000Z	33 \| good	2.652 \| good	9.98 \| good	35.646 \| good	0.58 \| good	5.721 \| good	0.198 \| good
2026-05-13T02:00:00.000Z	31 \| good	3.293 \| good	12.825 \| good	32.613 \| good	0.613 \| good	10.008 \| good	0.198 \| good
2026-05-13T03:00:00.000Z	33 \| good	5.852 \| good	26.558 \| good	17.064 \| good	0.504 \| good	20.286 \| good	0.218 \| good
2026-05-13T04:00:00.000Z	26 \| good	4.388 \| good	16.235 \| good	28.187 \| good	0.49 \| good	10.933 \| good	0.231 \| good
2026-05-13T05:00:00.000Z	22 \| good	4.388 \| good	16.235 \| good	24.398 \| good	0.495 \| good	10.435 \| good	0.224 \| good
2026-05-13T06:00:00.000Z	22 \| good	4.388 \| good	16.235 \| good	24.138 \| good	0.488 \| good	10.12 \| good	0.218 \| good
2026-05-13T07:00:00.000Z	22 \| good	4.388 \| good	16.235 \| good	22.436 \| good	0.401 \| good	8.077 \| good	0.1 \| good
2026-05-13T08:00:00.000Z	27 \| good	4.694 \| good	16.682 \| good	24.896 \| good	0.455 \| good	7.721 \| good	0.139 \| good
2026-05-13T09:00:00.000Z	23 \| good	4.456 \| good	15.659 \| good	24.536 \| good	0.452 \| good	9.053 \| good	0.139 \| good
2026-05-13T10:00:00.000Z	22 \| good	4.102 \| good	14.317 \| good	20.583 \| good	0.521 \| good	10.244 \| good	0.185 \| good
2026-05-13T11:00:00.000Z	22 \| good	3.978 \| good	13.882 \| good	21.868 \| good	0.515 \| good	11.499 \| good	0.231 \| good
2026-05-13T12:00:00.000Z	22 \| good	3.898 \| good	14.31 \| good	23.863 \| good	0.598 \| good	10.575 \| good	0.239 \| good
2026-05-13T13:00:00.000Z	22 \| good	3.898 \| good	14.31 \| good	23.748 \| good	0.595 \| good	10.721 \| good	0.239 \| good
2026-05-13T14:00:00.000Z	22 \| good	4.409 \| good	17.284 \| good	23.924 \| good	0.557 \| good	12.4 \| good	0.239 \| good
2026-05-13T15:00:00.000Z	27 \| good	5.017 \| good	20.108 \| good	25.651 \| good	0.595 \| good	10.549 \| good	0.199 \| good
2026-05-13T16:00:00.000Z	38 \| good	7.438 \| good	32.982 \| good	28.12 \| good	0.348 \| good	4.26 \| good	0.158 \| good
2026-05-13T17:00:00.000Z	28 \| good	4.968 \| good	19.644 \| good	30.445 \| good	0.341 \| good	7.006 \| good	0.233 \| good
2026-05-13T18:00:00.000Z	30 \| good	4.899 \| good	19.333 \| good	32.456 \| good	0.619 \| good	7.616 \| good	0.278 \| good
2026-05-13T19:00:00.000Z	34 \| good	4.899 \| good	19.333 \| good	37.334 \| good	0.617 \| good	7.489 \| good	0.272 \| good
2026-05-13T20:00:00.000Z	41 \| good	5.21 \| good	21.447 \| good	44.095 \| good	0.671 \| good	4.975 \| good	0.191 \| good
2026-05-13T21:00:00.000Z	39 \| good	5.192 \| good	22.492 \| good	42.22 \| good	0.672 \| good	4.906 \| good	0.152 \| good
2026-05-13T22:00:00.000Z	40 \| good	5.207 \| good	21.789 \| good	43.262 \| good	0.703 \| good	6.045 \| good	0.146 \| good
2026-05-13T23:00:00.000Z	46 \| good	5.188 \| good	21.202 \| good	49.7 \| good	0.665 \| good	6.798 \| good	0.199 \| good
2026-05-14T00:00:00.000Z	42 \| good	5.188 \| good	21.202 \| good	44.639 \| good	0.667 \| good	6.846 \| good	0.193 \| good
2026-05-14T01:00:00.000Z	45 \| good	5.187 \| good	20.914 \| good	48.946 \| good	0.597 \| good	7.202 \| good	0.233 \| good
2026-05-14T02:00:00.000Z	43 \| good	5.38 \| good	20.898 \| good	46.387 \| good	0.605 \| good	6.664 \| good	0.233 \| good
2026-05-14T03:00:00.000Z	43 \| good	5.42 \| good	20.944 \| good	45.662 \| good	0.54 \| good	4.414 \| good	0.264 \| good
2026-05-14T04:00:00.000Z	42 \| good	5.42 \| good	20.944 \| good	45.04 \| good	0.557 \| good	4.326 \| good	0.257 \| good
2026-05-14T05:00:00.000Z	41 \| good	5.402 \| good	20.595 \| good	44.044 \| good	0.559 \| good	3.951 \| good	0.179 \| good
2026-05-14T06:00:00.000Z	42 \| good	5.291 \| good	19.906 \| good	44.612 \| good	0.555 \| good	3.949 \| good	0.179 \| good
2026-05-14T07:00:00.000Z	41 \| good	5.291 \| good	19.906 \| good	43.628 \| good	0.556 \| good	3.6 \| good	0.179 \| good
2026-05-14T08:00:00.000Z	40 \| good	4.857 \| good	17.946 \| good	43.124 \| good	0.54 \| good	3.622 \| good	0.231 \| good
2026-05-14T09:00:00.000Z	37 \| good	4.624 \| good	17.24 \| good	39.902 \| good	0.556 \| good	3.363 \| good	0.139 \| good
2026-05-14T10:00:00.000Z	39 \| good	4.584 \| good	17.222 \| good	42.138 \| good	0.532 \| good	4.691 \| good	0.191 \| good
2026-05-14T11:00:00.000Z	36 \| good	4.637 \| good	17.452 \| good	38.914 \| good	0.644 \| good	6.563 \| good	0.164 \| good
2026-05-14T12:00:00.000Z	37 \| good	4.637 \| good	17.452 \| good	40.152 \| good	0.589 \| good	8.029 \| good	0.204 \| good
2026-05-14T13:00:00.000Z	36 \| good	4.784 \| good	18.051 \| good	39.293 \| good	0.589 \| good	7.857 \| good	0.198 \| good
2026-05-14T14:00:00.000Z	37 \| good	5.483 \| good	20.637 \| good	40.114 \| good	0.603 \| good	6.257 \| good	0.154 \| good
2026-05-14T15:00:00.000Z	40 \| good	5.318 \| good	19.785 \| good	43.274 \| good	0.579 \| good	5.246 \| good	0.148 \| good
2026-05-14T15:00:00.000Z	38 \| good	5.17 \| good	21.927 \| good	40.804 \| good	0.605 \| good	12.204 \| good	0.159 \| good
2026-05-14T16:00:00.000Z	40 \| good	4.384 \| good	18.934 \| good	42.979 \| good	0.236 \| good	4.366 \| good	0.146 \| good
2026-05-14T17:00:00.000Z	36 \| good	4.378 \| good	18.995 \| good	38.743 \| good	0.238 \| good	3.513 \| good	0.144 \| good
2026-05-14T18:00:00.000Z	32 \| good	4.311 \| good	18.919 \| good	35.449 \| good	0.241 \| good	3.544 \| good	0.143 \| good
2026-05-14T19:00:00.000Z	31 \| good	4.92 \| good	20.941 \| good	32.784 \| good	0.247 \| good	4.017 \| good	0.146 \| good
2026-05-14T20:00:00.000Z	28 \| good	4.363 \| good	18.884 \| good	30.054 \| good	0.251 \| good	5.237 \| good	0.153 \| good
2026-05-14T21:00:00.000Z	27 \| good	5.068 \| good	21.814 \| good	28.608 \| good	0.239 \| good	6.184 \| good	0.16 \| good
2026-05-14T22:00:00.000Z	27 \| good	4.779 \| good	20.822 \| good	29.263 \| good	0.229 \| good	8.027 \| good	0.174 \| good
2026-05-14T23:00:00.000Z	31 \| good	3.482 \| good	15.619 \| good	33.134 \| good	0.22 \| good	8.723 \| good	0.177 \| good
2026-05-15T00:00:00.000Z	31 \| good	3.472 \| good	15.568 \| good	32.529 \| good	0.229 \| good	10.436 \| good	0.181 \| good
2026-05-15T01:00:00.000Z	27 \| good	4.615 \| good	20.413 \| good	29.464 \| good	0.237 \| good	11.318 \| good	0.181 \| good
2026-05-15T02:00:00.000Z	33 \| good	5.856 \| good	26.225 \| good	25.949 \| good	0.234 \| good	10.497 \| good	0.173 \| good
2026-05-15T03:00:00.000Z	33 \| good	5.793 \| good	26.06 \| good	25.112 \| good	0.223 \| good	8.727 \| good	0.162 \| good
2026-05-15T04:00:00.000Z	33 \| good	5.68 \| good	24.512 \| good	24.318 \| good	0.214 \| good	7.941 \| good	0.157 \| good
2026-05-15T05:00:00.000Z	27 \| good	5.184 \| good	22.574 \| good	25.144 \| good	0.193 \| good	5.736 \| good	0.147 \| good
2026-05-15T06:00:00.000Z	27 \| good	4.137 \| good	18.531 \| good	28.594 \| good	0.18 \| good	4.306 \| good	0.138 \| good
2026-05-15T07:00:00.000Z	30 \| good	2.828 \| good	12.023 \| good	32.48 \| good	0.176 \| good	3.591 \| good	0.133 \| good
2026-05-15T08:00:00.000Z	31 \| good	2.024 \| good	8.141 \| good	34.16 \| good	0.177 \| good	3.251 \| good	0.129 \| good
2026-05-15T09:00:00.000Z	30 \| good	3.702 \| good	16.093 \| good	31.61 \| good	0.179 \| good	2.917 \| good	0.126 \| good
2026-05-15T10:00:00.000Z	27 \| good	3.293 \| good	14.135 \| good	29.245 \| good	0.183 \| good	2.901 \| good	0.125 \| good
2026-05-15T11:00:00.000Z	26 \| good	3.596 \| good	15.986 \| good	27.999 \| good	0.175 \| good	2.995 \| good	0.125 \| good
2026-05-15T12:00:00.000Z	28 \| good	3.225 \| good	13.975 \| good	29.552 \| good	0.155 \| good	3.433 \| good	0.128 \| good
2026-05-15T13:00:00.000Z	31 \| good	2.96 \| good	11.99 \| good	33.095 \| good	0.142 \| good	3.628 \| good	0.131 \| good
2026-05-15T14:00:00.000Z	32 \| good	3.715 \| good	16.038 \| good	34.603 \| good	0.137 \| good	3.231 \| good	0.129 \| good
2026-05-15T15:00:00.000Z	32 \| good	4.401 \| good	18.981 \| good	35.184 \| good	0.134 \| good	2.648 \| good	0.126 \| good
2026-05-15T16:00:00.000Z	32 \| good	5.29 \| good	22.834 \| good	35.333 \| good	0.138 \| good	2.438 \| good	0.125 \| good
2026-05-15T17:00:00.000Z	33 \| good	5.576 \| good	23.839 \| good	34.2 \| good	0.152 \| good	2.445 \| good	0.126 \| good
2026-05-15T18:00:00.000Z	31 \| good	5.247 \| good	22.746 \| good	33.704 \| good	0.173 \| good	2.6 \| good	0.129 \| good
2026-05-15T19:00:00.000Z	32 \| good	5.118 \| good	21.889 \| good	34.793 \| good	0.193 \| good	2.819 \| good	0.131 \| good
2026-05-15T20:00:00.000Z	31 \| good	4.529 \| good	19.837 \| good	34.18 \| good	0.217 \| good	3.52 \| good	0.137 \| good
2026-05-15T21:00:00.000Z	34 \| good	4.349 \| good	18.867 \| good	36.669 \| good	0.239 \| good	5.311 \| good	0.152 \| good
2026-05-15T22:00:00.000Z	36 \| good	2.159 \| good	8.905 \| good	38.62 \| good	0.26 \| good	6.649 \| good	0.164 \| good
2026-05-15T23:00:00.000Z	37 \| good	2.788 \| good	11.853 \| good	39.593 \| good	0.278 \| good	8.275 \| good	0.177 \| good
2026-05-16T00:00:00.000Z	32 \| good	2.926 \| good	11.936 \| good	34.782 \| good	0.285 \| good	10.596 \| good	0.186 \| good
2026-05-16T01:00:00.000Z	31 \| good	2.607 \| good	10.842 \| good	34.204 \| good	0.285 \| good	10.568 \| good	0.179 \| good
2026-05-16T02:00:00.000Z	31 \| good	2.408 \| good	9.95 \| good	34.073 \| good	0.283 \| good	10.505 \| good	0.175 \| good
2026-05-16T03:00:00.000Z	29 \| good	2.888 \| good	11.903 \| good	31.479 \| good	0.279 \| good	10.567 \| good	0.174 \| good
2026-05-16T04:00:00.000Z	26 \| good	4.174 \| good	18.753 \| good	28.407 \| good	0.251 \| good	9.292 \| good	0.169 \| good
2026-05-16T05:00:00.000Z	26 \| good	4.021 \| good	17.273 \| good	27.849 \| good	0.212 \| good	7.223 \| good	0.159 \| good
2026-05-16T06:00:00.000Z	29 \| good	3.129 \| good	3.415 \| good	30.73 \| good	0.18 \| good	5.704 \| good	0.15 \| good
2026-05-16T07:00:00.000Z	28 \| good	1.579 \| good	6.127 \| good	29.652 \| good	0.161 \| good	4.785 \| good	0.143 \| good
2026-05-16T08:00:00.000Z	26 \| good	1.375 \| good	5.148 \| good	28.25 \| good	0.157 \| good	4.197 \| good	0.14 \| good
2026-05-16T09:00:00.000Z	24 \| good	2.174 \| good	9.054 \| good	25.755 \| good	0.165 \| good	4.125 \| good	0.141 \| good
2026-05-16T10:00:00.000Z	26 \| good	2.257 \| good	9.054 \| good	27.889 \| good	0.174 \| good	4.363 \| good	0.145 \| good
2026-05-16T11:00:00.000Z	28 \| good	2.405 \| good	9.973 \| good	30.376 \| good	0.193 \| good	4.305 \| good	0.152 \| good
2026-05-16T12:00:00.000Z	25 \| good	3.716 \| good	3.822 \| good	27.428 \| good	0.224 \| good	4.327 \| good	0.161 \| good
2026-05-16T13:00:00.000Z	31 \| good	3.984 \| good	4.099 \| good	33.175 \| good	0.267 \| good	3.391 \| good	0.161 \| good
2026-05-16T14:00:00.000Z	37 \| good	4.119 \| good	4.269 \| good	39.905 \| good	0.316 \| good	2.463 \| good	0.155 \| good
2026-05-16T15:00:00.000Z	43 \| good	4.057 \| good	4.242 \| good	45.505 \| good	0.311 \| good	1.82 \| good	0.149 \| 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?