What is the current concentration of PM10 in Greenfield, Massachusetts?

The current PM10 concentration at Greenfield, Massachusetts is 11.999 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Greenfield, Massachusetts?

The current sulfur dioxide (SO2) concentration at Greenfield, Massachusetts is 0.194 ppb.

What is the current concentration of ozone (O3) in Greenfield, Massachusetts?

The current ozone (O3) concentration at Greenfield, Massachusetts is 29.003 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Greenfield, Massachusetts?

The current nitrogen dioxide (NO2) concentration at Greenfield, Massachusetts is 1.371 ppb.

Greenfield, Massachusetts live air quality index now

Q: What is the current concentration of PM2.5 in Greenfield, Massachusetts?

The current PM2.5 concentration at Greenfield, Massachusetts is 2.8 μg/m3.

Stay updated with real-time air quality in Greenfield, 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

Greenfield, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Greenfield, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.00 μg/m³

155

255

425

605+

Ozone (O₃)

29.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.19 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 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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Greenfield, Massachusetts

Scroll To Air Quality Map

Track live Greenfield, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-13T21:00:00.000Z	39 \| good	3.7 \| good	15.998 \| good	42.002 \| good	0.285 \| good	1.417 \| good	0.179 \| good
2026-06-13T22:00:00.000Z	40 \| good	4.1 \| good	17.997 \| good	43.001 \| good	0.285 \| good	1.285 \| good	0.145 \| good
2026-06-13T23:00:00.000Z	42 \| good	4.3 \| good	18.996 \| good	44.998 \| good	0.302 \| good	1.374 \| good	0.145 \| good
2026-06-14T00:00:00.000Z	42 \| good	4.3 \| good	18.997 \| good	45 \| good	0.334 \| good	1.989 \| good	0.145 \| good
2026-06-14T01:00:00.000Z	40 \| good	4.3 \| good	18.997 \| good	42.999 \| good	0.349 \| good	3.264 \| good	0.145 \| good
2026-06-14T02:00:00.000Z	42 \| good	4.5 \| good	19.998 \| good	44.996 \| good	0.282 \| good	5.309 \| good	0.166 \| good
2026-06-14T03:00:00.000Z	34 \| good	4.6 \| good	19.999 \| good	36.998 \| good	0.292 \| good	4.167 \| good	0.167 \| good
2026-06-14T04:00:00.000Z	34 \| good	4.802 \| good	21.005 \| good	36.998 \| good	0.282 \| good	5.938 \| good	0.188 \| good
2026-06-14T05:00:00.000Z	31 \| good	4.802 \| good	21.006 \| good	33.997 \| good	0.203 \| good	9.013 \| good	0.211 \| good
2026-06-14T06:00:00.000Z	29 \| good	4.81 \| good	21.041 \| good	30.997 \| good	0.234 \| good	5.995 \| good	0.232 \| good
2026-06-14T07:00:00.000Z	27 \| good	4.81 \| good	21.041 \| good	26 \| good	0.234 \| good	7.211 \| good	0.232 \| good
2026-06-14T08:00:00.000Z	27 \| good	5.009 \| good	22.036 \| good	21.001 \| good	0.281 \| good	6.587 \| good	0.232 \| good
2026-06-14T09:00:00.000Z	27 \| good	5.209 \| good	23.038 \| good	16.002 \| good	0.218 \| good	8.698 \| good	0.167 \| good
2026-06-14T10:00:00.000Z	27 \| good	5.205 \| good	23.019 \| good	16.002 \| good	0.218 \| good	7.856 \| good	0.167 \| good
2026-06-14T11:00:00.000Z	27 \| good	5.304 \| good	23.014 \| good	15.999 \| good	0.234 \| good	5.987 \| good	0.167 \| good
2026-06-14T12:00:00.000Z	27 \| good	5.403 \| good	23.011 \| good	15.001 \| good	0.244 \| good	3.922 \| good	0.167 \| good
2026-06-14T13:00:00.000Z	27 \| good	5.403 \| good	23.011 \| good	21 \| good	0.222 \| good	3.881 \| good	0.208 \| good
2026-06-14T14:00:00.000Z	33 \| good	6.201 \| good	27.998 \| good	25.001 \| good	0.245 \| good	2.813 \| good	0.167 \| good
2026-06-14T15:00:00.000Z	33 \| good	6.4 \| good	28.996 \| good	28.005 \| good	0.233 \| good	2.789 \| good	0.167 \| good
2026-06-14T16:00:00.000Z	34 \| good	6.499 \| good	28.994 \| good	37.002 \| good	0.21 \| good	2.36 \| good	0.167 \| good
2026-06-14T17:00:00.000Z	38 \| good	6.499 \| good	28.994 \| good	41.004 \| good	0.313 \| good	2.512 \| good	0.167 \| good
2026-06-14T18:00:00.000Z	43 \| good	6.099 \| good	26.993 \| good	46.001 \| good	0.427 \| good	2.493 \| good	0.167 \| good
2026-06-14T19:00:00.000Z	44 \| good	5.3 \| good	22.996 \| good	48.003 \| good	0.381 \| good	2.993 \| good	0.185 \| good
2026-06-14T20:00:00.000Z	48 \| good	4.9 \| good	20.999 \| good	52 \| good	0.429 \| good	3.733 \| good	0.167 \| good
2026-06-14T21:00:00.000Z	49 \| good	5.201 \| good	22.999 \| good	53.002 \| good	0.472 \| good	3.681 \| good	0.185 \| good
2026-06-14T22:00:00.000Z	49 \| good	5.7 \| good	24.997 \| good	53.009 \| good	0.472 \| good	3.854 \| good	0.2 \| good
2026-06-14T23:00:00.000Z	64 \| moderate	5.7 \| good	24.997 \| good	59 \| fine	0.471 \| good	3.913 \| good	0.2 \| good
2026-06-15T00:00:00.000Z	77 \| moderate	6.8 \| good	29.994 \| good	62.995 \| fine	0.374 \| good	1.996 \| good	0.163 \| good
2026-06-15T01:00:00.000Z	64 \| moderate	7.099 \| good	31.993 \| good	58.998 \| fine	0.344 \| good	2.678 \| good	0.163 \| good
2026-06-15T02:00:00.000Z	77 \| moderate	7.399 \| good	32.992 \| good	62.994 \| fine	0.341 \| good	2.448 \| good	0.145 \| good
2026-06-15T03:00:00.000Z	64 \| moderate	7.299 \| good	31.993 \| good	58.997 \| fine	0.298 \| good	2.344 \| good	0.145 \| good
2026-06-15T04:00:00.000Z	64 \| moderate	7.099 \| good	31.993 \| good	58.998 \| fine	0.299 \| good	2.323 \| good	0.145 \| good
2026-06-15T05:00:00.000Z	54 \| moderate	6.999 \| good	30.993 \| good	55.999 \| fine	0.273 \| good	2.238 \| good	0.145 \| good
2026-06-15T06:00:00.000Z	51 \| moderate	6.799 \| good	29.994 \| good	54.998 \| good	0.259 \| good	2.353 \| good	0.149 \| good
2026-06-15T07:00:00.000Z	42 \| good	6.799 \| good	29.994 \| good	45.002 \| good	0.258 \| good	2.332 \| good	0.164 \| good
2026-06-15T08:00:00.000Z	42 \| good	6.699 \| good	29.996 \| good	44.997 \| good	0.398 \| good	2.585 \| good	0.145 \| good
2026-06-15T09:00:00.000Z	40 \| good	6.4 \| good	28.996 \| good	42.998 \| good	0.28 \| good	2.051 \| good	0.145 \| good
2026-06-15T10:00:00.000Z	38 \| good	4.9 \| good	20.997 \| good	40.996 \| good	0.263 \| good	2.539 \| good	0.164 \| good
2026-06-15T11:00:00.000Z	34 \| good	4.9 \| good	20.997 \| good	36.998 \| good	0.26 \| good	2.38 \| good	0.149 \| good
2026-06-15T12:00:00.000Z	37 \| good	3 \| good	12.001 \| good	39.995 \| good	0.376 \| good	1.96 \| good	0.149 \| good
2026-06-15T13:00:00.000Z	33 \| good	3 \| good	12.001 \| good	36 \| good	0.347 \| good	1.949 \| good	0.192 \| good
2026-06-15T14:00:00.000Z	32 \| good	2.3 \| good	10.002 \| good	35.002 \| good	0.211 \| good	1.282 \| good	0.138 \| good
2026-06-15T15:00:00.000Z	31 \| good	2.6 \| good	11.001 \| good	34.003 \| good	0.334 \| good	1.627 \| good	0.149 \| good
2026-06-15T16:00:00.000Z	29 \| good	2.9 \| good	11.999 \| good	31.003 \| good	0.3 \| good	1.382 \| good	0.164 \| good
2026-06-15T17:00:00.000Z	29 \| good	3 \| good	11.999 \| good	31.002 \| good	0.211 \| good	1.386 \| good	0.164 \| good
2026-06-15T18:00:00.000Z	30 \| good	2.9 \| good	11.999 \| good	32.002 \| good	0.334 \| good	1.356 \| good	0.164 \| good
2026-06-15T19:00:00.000Z	27 \| good	2.8 \| good	11.999 \| good	29.003 \| good	0.194 \| good	1.371 \| good	0.164 \| good
2026-06-15T20:00:00.000Z	27 \| good	2.8 \| good	11.999 \| good	29.003 \| good	0.194 \| good	1.371 \| good	0.164 \| good
2026-06-15T21:00:00.000Z	31 \| good	1.706 \| good	7.01 \| good	34.243 \| good	0.052 \| good	0.297 \| good	0.111 \| good
2026-06-15T22:00:00.000Z	33 \| good	1.284 \| good	5 \| good	36.456 \| good	0.054 \| good	0.37 \| good	0.112 \| good
2026-06-15T23:00:00.000Z	31 \| good	0.733 \| good	2.977 \| good	33.957 \| good	0.057 \| good	0.513 \| good	0.113 \| good
2026-06-16T00:00:00.000Z	25 \| good	0.681 \| good	2.046 \| good	27.18 \| good	0.066 \| good	0.745 \| good	0.114 \| good
2026-06-16T01:00:00.000Z	27 \| good	1.93 \| good	8 \| good	28.993 \| good	0.081 \| good	1.029 \| good	0.116 \| good
2026-06-16T02:00:00.000Z	28 \| good	1.551 \| good	6.025 \| good	29.572 \| good	0.096 \| good	1.104 \| good	0.116 \| good
2026-06-16T03:00:00.000Z	25 \| good	0.96 \| good	3.977 \| good	26.896 \| good	0.105 \| good	1.126 \| good	0.116 \| good
2026-06-16T04:00:00.000Z	23 \| good	0.752 \| good	2.983 \| good	24.762 \| good	0.106 \| good	1.143 \| good	0.116 \| good
2026-06-16T05:00:00.000Z	23 \| good	1.054 \| good	4.029 \| good	24.65 \| good	0.104 \| good	1.167 \| good	0.117 \| good
2026-06-16T06:00:00.000Z	19 \| good	1.314 \| good	5.004 \| good	20.867 \| good	0.105 \| good	1.277 \| good	0.118 \| good
2026-06-16T07:00:00.000Z	16 \| good	1.624 \| good	6.972 \| good	16.769 \| good	0.112 \| good	1.51 \| good	0.12 \| good
2026-06-16T08:00:00.000Z	12 \| good	1.569 \| good	6.029 \| good	12.9 \| good	0.128 \| good	1.739 \| good	0.122 \| good
2026-06-16T09:00:00.000Z	11 \| good	1.943 \| good	8 \| good	11.195 \| good	0.149 \| good	2.03 \| good	0.124 \| good
2026-06-16T10:00:00.000Z	14 \| good	1.653 \| good	6.977 \| good	14.654 \| good	0.166 \| good	2.213 \| good	0.128 \| good
2026-06-16T11:00:00.000Z	21 \| good	1.166 \| good	4.987 \| good	22.925 \| good	0.18 \| good	1.517 \| good	0.129 \| good
2026-06-16T12:00:00.000Z	24 \| good	1.015 \| good	4.017 \| good	25.862 \| good	0.224 \| good	0.905 \| good	0.123 \| good
2026-06-16T13:00:00.000Z	27 \| good	1.203 \| good	5 \| good	28.982 \| good	0.196 \| good	0.604 \| good	0.121 \| good
2026-06-16T14:00:00.000Z	35 \| good	1.082 \| good	4.035 \| good	37.546 \| good	0.144 \| good	0.384 \| good	0.117 \| good
2026-06-16T15:00:00.000Z	40 \| good	1.98 \| good	8 \| good	43.125 \| good	0.115 \| good	0.281 \| good	0.114 \| good
2026-06-16T16:00:00.000Z	45 \| good	1.904 \| good	8 \| good	48.557 \| good	0.118 \| good	0.236 \| good	0.111 \| good
2026-06-16T17:00:00.000Z	45 \| good	2.034 \| good	8.018 \| good	48.73 \| good	0.133 \| good	0.22 \| good	0.109 \| good
2026-06-16T18:00:00.000Z	44 \| good	0.888 \| good	3.047 \| good	47.43 \| good	0.145 \| good	0.222 \| good	0.107 \| good
2026-06-16T19:00:00.000Z	43 \| good	0.566 \| good	2.013 \| good	46.133 \| good	0.151 \| good	0.23 \| good	0.106 \| good
2026-06-16T20:00:00.000Z	44 \| good	0.805 \| good	3.008 \| good	48.014 \| good	0.155 \| good	0.256 \| good	0.106 \| good
2026-06-16T21:00:00.000Z	49 \| good	0.885 \| good	3.039 \| good	52.764 \| good	0.158 \| good	0.317 \| good	0.107 \| good
2026-06-16T22:00:00.000Z	58 \| moderate	2.239 \| good	9.001 \| good	57.389 \| fine	0.162 \| good	0.432 \| good	0.11 \| good
2026-06-16T23:00:00.000Z	44 \| good	2.725 \| good	11.022 \| good	47.113 \| good	0.158 \| good	1.02 \| good	0.119 \| good
2026-06-17T00:00:00.000Z	31 \| good	2.486 \| good	10.021 \| good	32.523 \| good	0.162 \| good	2.593 \| good	0.138 \| good
2026-06-17T01:00:00.000Z	28 \| good	2.962 \| good	12.036 \| good	29.942 \| good	0.187 \| good	4.862 \| good	0.162 \| good
2026-06-17T02:00:00.000Z	27 \| good	2.401 \| good	9.998 \| good	29.25 \| good	0.206 \| good	6.396 \| good	0.179 \| good
2026-06-17T03:00:00.000Z	28 \| good	2.647 \| good	10.975 \| good	29.595 \| good	0.222 \| good	7.317 \| good	0.191 \| good
2026-06-17T04:00:00.000Z	28 \| good	2.645 \| good	11.015 \| good	30.071 \| good	0.228 \| good	7.585 \| good	0.197 \| good
2026-06-17T05:00:00.000Z	27 \| good	3.563 \| good	15.952 \| good	28.571 \| good	0.231 \| good	7.507 \| good	0.198 \| good
2026-06-17T06:00:00.000Z	26 \| good	3.447 \| good	14.993 \| good	27.507 \| good	0.241 \| good	7.414 \| good	0.197 \| good
2026-06-17T07:00:00.000Z	22 \| good	4.087 \| good	18.001 \| good	23.349 \| good	0.255 \| good	7.335 \| good	0.196 \| good
2026-06-17T08:00:00.000Z	22 \| good	4.415 \| good	19.042 \| good	18.771 \| good	0.274 \| good	7.227 \| good	0.193 \| good
2026-06-17T09:00:00.000Z	27 \| good	5.465 \| good	23.035 \| good	22.637 \| good	0.292 \| good	7.32 \| good	0.193 \| good
2026-06-17T10:00:00.000Z	33 \| good	5.95 \| good	26.979 \| good	19.532 \| good	0.304 \| good	7.129 \| good	0.196 \| good
2026-06-17T11:00:00.000Z	33 \| good	6.412 \| good	28.977 \| good	22.206 \| good	0.29 \| good	5.487 \| good	0.197 \| good
2026-06-17T12:00:00.000Z	33 \| good	5.704 \| good	24.984 \| good	26.316 \| good	0.342 \| good	3.732 \| good	0.182 \| good
2026-06-17T13:00:00.000Z	33 \| good	5.955 \| good	26.976 \| good	28.419 \| good	0.419 \| good	2.513 \| good	0.168 \| good
2026-06-17T14:00:00.000Z	31 \| good	3.606 \| good	16.012 \| good	33.951 \| good	0.484 \| good	1.461 \| good	0.152 \| good
2026-06-17T15:00:00.000Z	35 \| good	3.807 \| good	16.982 \| good	38.376 \| good	0.493 \| good	0.796 \| good	0.136 \| good
2026-06-17T16:00:00.000Z	39 \| good	4.176 \| good	18.045 \| good	42.381 \| good	0.426 \| good	0.554 \| good	0.129 \| good
2026-06-17T17:00:00.000Z	44 \| good	3.574 \| good	15.983 \| good	46.64 \| good	0.39 \| good	0.486 \| good	0.126 \| good
2026-06-17T18:00:00.000Z	44 \| good	3.724 \| good	16.027 \| good	48.434 \| good	0.377 \| good	0.543 \| good	0.126 \| good
2026-06-17T19:00:00.000Z	46 \| good	4.161 \| good	18.028 \| good	49.624 \| good	0.37 \| good	0.586 \| good	0.127 \| good
2026-06-17T20:00:00.000Z	45 \| good	4.283 \| good	18.988 \| good	48.74 \| good	0.365 \| good	0.477 \| good	0.128 \| good

Greenfield

Get reliable air quality data to drive your business

Greenfield, Massachusetts air quality map: Track AQI near you

0.21ppm

How accurate is Massachusetts, USA air quality data?

Air quality data and pollutant measurements for Massachusetts, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Greenfield, Massachusetts updated?

The air quality for Greenfield, Massachusetts is updated every hour.

When was the worst air quality at Greenfield, Massachusetts in the last 24 hrs?

The worst air quality in Greenfield, Massachusetts in the last 24 hours was observed at 02:00:00 on 2026-06-15.

When was the best air quality at Greenfield, Massachusetts in the last 24 hrs?

In the last 24 hrs, the best air quality in Greenfield, Massachusetts was observed at 07:00:00 on 2026-06-15.

What is the current air quality in Greenfield, Massachusetts?

The current air quality in Greenfield, Massachusetts is 27, categorized as Good based on real-time data.

What pollutant is the most common in Greenfield, Massachusetts?

The most common pollutant in Greenfield, Massachusetts is O3.

What should I do if the air quality in Greenfield, Massachusetts is poor?

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

What is the current concentration of PM_2.5 in Greenfield, Massachusetts?

The current PM_2.5 concentration at Greenfield, Massachusetts is 2.8 μg/m³.

What is the current concentration of PM₁₀ in Greenfield, Massachusetts?

The current PM₁₀ concentration at Greenfield, Massachusetts is 11.999 μg/m³.

What is the current concentration of carbon monoxide (CO) in Greenfield, Massachusetts?

The current carbon monoxide (CO) concentration at Greenfield, Massachusetts is 0.164 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Greenfield, Massachusetts?

The current sulfur dioxide (SO₂) concentration at Greenfield, Massachusetts is 0.194 ppb.

What is the current concentration of ozone (O₃) in Greenfield, Massachusetts?

The current ozone (O₃) concentration at Greenfield, Massachusetts is 29.003 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Greenfield, Massachusetts?

The current nitrogen dioxide (NO₂) concentration at Greenfield, Massachusetts is 1.371 ppb.

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