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

The current PM10 concentration at Greenfield, Massachusetts is 35.005 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Greenfield, Massachusetts is 0.14 ppb.

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

The current ozone (O3) concentration at Greenfield, Massachusetts is 38.001 ppm.

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

The current nitrogen dioxide (NO2) concentration at Greenfield, Massachusetts is 6.609 ppb.

Greenfield, Massachusetts live air quality index now

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

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)

Moderate

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)

21.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

96.98 μg/m³

155

255

425

605+

Ozone (O₃)

14.01 ppb

201

201+

Sulfur Dioxide (SO₂)

0.30 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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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
2025-07-30T05:00:00.000Z	33 \| good	6.201 \| good	28 \| good	28.004 \| good	0.416 \| good	13.829 \| good	0.249 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.848 \| good	47.178 \| good	28.003 \| good	0.337 \| good	16.061 \| good	0.24 \| good
2025-07-30T07:00:00.000Z	50 \| good	9.275 \| good	53.589 \| good	21.001 \| good	0.16 \| good	13.096 \| good	0.23 \| good
2025-07-30T08:00:00.000Z	38 \| good	7.201 \| good	31.998 \| good	20.999 \| good	0.125 \| good	12.067 \| good	0.24 \| good
2025-07-30T09:00:00.000Z	38 \| good	7.401 \| good	32.997 \| good	16.001 \| good	0.139 \| good	10.582 \| good	0.23 \| good
2025-07-30T10:00:00.000Z	38 \| good	7.401 \| good	32.997 \| good	14.001 \| good	0.139 \| good	10.785 \| good	0.252 \| good
2025-07-30T11:00:00.000Z	44 \| good	7.501 \| good	32.997 \| good	14.001 \| good	0.113 \| good	6.22 \| good	0.273 \| good
2025-07-30T12:00:00.000Z	44 \| good	7.501 \| good	32.997 \| good	13.003 \| good	0.141 \| good	4.796 \| good	0.294 \| good
2025-07-30T13:00:00.000Z	44 \| good	7.501 \| good	32.997 \| good	16.001 \| good	0.204 \| good	4.273 \| good	0.294 \| good
2025-07-30T14:00:00.000Z	44 \| good	7.501 \| good	32.998 \| good	17.004 \| good	0.159 \| good	3.272 \| good	0.273 \| good
2025-07-30T15:00:00.000Z	44 \| good	7.501 \| good	32.998 \| good	23 \| good	0.215 \| good	5.024 \| good	0.295 \| good
2025-07-30T16:00:00.000Z	44 \| good	7.501 \| good	32.999 \| good	27.002 \| good	0.288 \| good	4.733 \| good	0.559 \| good
2025-07-30T17:00:00.000Z	38 \| good	7.401 \| good	32.999 \| good	31.003 \| good	0.813 \| good	3.429 \| good	0.249 \| good
2025-07-30T18:00:00.000Z	38 \| good	7.301 \| good	32 \| good	34.002 \| good	0.282 \| good	2.264 \| good	0.206 \| good
2025-07-30T19:00:00.000Z	38 \| good	7.201 \| good	32 \| good	36.002 \| good	0.207 \| good	1.525 \| good	0.206 \| good
2025-07-30T20:00:00.000Z	38 \| good	7.101 \| good	31.999 \| good	36.005 \| good	0.185 \| good	1.324 \| good	0.206 \| good
2025-07-30T21:00:00.000Z	38 \| good	6.901 \| good	30.999 \| good	36.005 \| good	0.235 \| good	1.36 \| good	0.191 \| good
2025-07-30T22:00:00.000Z	38 \| good	6.601 \| good	29.998 \| good	36.004 \| good	0.246 \| good	2.358 \| good	0.234 \| good
2025-07-30T23:00:00.000Z	35 \| good	6.001 \| good	27 \| good	38 \| good	0.23 \| good	2.813 \| good	0.257 \| good
2025-07-31T00:00:00.000Z	33 \| good	5.901 \| good	27 \| good	36.002 \| good	0.251 \| good	1.599 \| good	0.235 \| good
2025-07-31T01:00:00.000Z	33 \| good	5.701 \| good	25.001 \| good	30.006 \| good	0.186 \| good	4.301 \| good	0.235 \| good
2025-07-31T02:00:00.000Z	33 \| good	5.801 \| good	25.001 \| good	24.008 \| good	0.195 \| good	6.313 \| good	0.235 \| good
2025-07-31T03:00:00.000Z	33 \| good	5.901 \| good	26.999 \| good	24.006 \| good	0.204 \| good	6.025 \| good	0.235 \| good
2025-07-31T04:00:00.000Z	33 \| good	5.901 \| good	26.999 \| good	24.006 \| good	0.173 \| good	5.533 \| good	0.223 \| good
2025-07-31T05:00:00.000Z	33 \| good	5.901 \| good	26.999 \| good	24.004 \| good	0.413 \| good	7.951 \| good	0.223 \| good
2025-07-31T06:00:00.000Z	56 \| moderate	11.81 \| good	26.748 \| good	24.004 \| good	0.966 \| good	7.327 \| good	0.295 \| good
2025-07-31T07:00:00.000Z	52 \| moderate	9.846 \| good	50.421 \| good	22.999 \| good	0.125 \| good	6.766 \| good	0.225 \| good
2025-07-31T08:00:00.000Z	38 \| good	7.3 \| good	31.997 \| good	23 \| good	0.148 \| good	9.055 \| good	0.225 \| good
2025-07-31T09:00:00.000Z	44 \| good	8 \| good	34.995 \| good	22.998 \| good	0.133 \| good	10.951 \| good	0.215 \| good
2025-07-31T10:00:00.000Z	49 \| good	8.7 \| good	37.994 \| good	23 \| good	0.1 \| good	3.579 \| good	0.237 \| good
2025-07-31T11:00:00.000Z	52 \| moderate	9.9 \| good	43.991 \| good	18.003 \| good	0.302 \| good	2.463 \| good	0.258 \| good
2025-07-31T12:00:00.000Z	56 \| moderate	11.6 \| good	50.992 \| good	19.003 \| good	0.664 \| good	3.048 \| good	0.273 \| good
2025-07-31T13:00:00.000Z	66 \| moderate	16.599 \| fine	72.985 \| fine	22.001 \| good	0.346 \| good	2.538 \| good	0.297 \| good
2025-07-31T14:00:00.000Z	73 \| moderate	21.298 \| fine	92.978 \| fine	19.004 \| good	0.124 \| good	2.699 \| good	0.318 \| good
2025-07-31T15:00:00.000Z	82 \| moderate	25.697 \| fine	112.97 \| fine	17.005 \| good	0.113 \| good	2.568 \| good	0.336 \| good
2025-07-31T16:00:00.000Z	88 \| moderate	28.898 \| fine	124.97 \| fine	17.005 \| good	0.124 \| good	2.326 \| good	0.376 \| good
2025-07-31T17:00:00.000Z	92 \| moderate	30.799 \| fine	132.971 \| fine	20.003 \| good	0.1 \| good	1.986 \| good	0.376 \| good
2025-07-31T18:00:00.000Z	90 \| moderate	30.1 \| fine	130.976 \| fine	22 \| good	0.1 \| good	2.591 \| good	0.312 \| good
2025-07-31T19:00:00.000Z	84 \| moderate	27.404 \| fine	118.989 \| fine	24 \| good	0.114 \| good	2.591 \| good	0.334 \| good
2025-07-31T20:00:00.000Z	84 \| moderate	26.504 \| fine	114.99 \| fine	22 \| good	0.232 \| good	2.466 \| good	0.312 \| good
2025-07-31T21:00:00.000Z	84 \| moderate	27.202 \| fine	118.983 \| fine	22 \| good	0.204 \| good	2.313 \| good	0.319 \| good
2025-07-31T22:00:00.000Z	86 \| moderate	28.199 \| fine	122.97 \| fine	18.004 \| good	0.183 \| good	1.714 \| good	0.297 \| good
2025-07-31T23:00:00.000Z	27 \| good	4.83 \| good	21.003 \| good	12.262 \| good	0.214 \| good	2.351 \| good	0.245 \| good
2025-08-01T00:00:00.000Z	84 \| moderate	27.097 \| fine	118.963 \| fine	16.007 \| good	0.313 \| good	1.805 \| good	0.297 \| good
2025-08-01T01:00:00.000Z	82 \| moderate	25.597 \| fine	110.965 \| fine	15.005 \| good	0.227 \| good	2.677 \| good	0.276 \| good
2025-08-01T02:00:00.000Z	79 \| moderate	23.997 \| fine	104.967 \| fine	14.005 \| good	0.249 \| good	1.718 \| good	0.276 \| good
2025-08-01T03:00:00.000Z	75 \| moderate	21.899 \| fine	96.977 \| fine	14.007 \| good	0.3 \| good	1.408 \| good	0.276 \| good
2025-08-01T04:00:00.000Z	75 \| moderate	21.899 \| fine	96.977 \| fine	14.007 \| good	0.3 \| good	1.408 \| good	0.276 \| good
2025-07-25T08:00:00.000Z	49 \| good	9.21 \| good	41.02 \| good	25.051 \| good	1.35 \| good	2.527 \| good	0.237 \| good
2025-07-25T09:00:00.000Z	49 \| good	8.846 \| good	39.021 \| good	26.838 \| good	1.386 \| good	2.507 \| good	0.238 \| good
2025-07-25T10:00:00.000Z	54 \| moderate	10.623 \| good	47.023 \| good	17.132 \| good	1.377 \| good	2.349 \| good	0.24 \| good
2025-07-25T11:00:00.000Z	52 \| moderate	9.785 \| good	43.053 \| good	28.195 \| good	1.369 \| good	2.191 \| good	0.243 \| good
2025-07-25T12:00:00.000Z	58 \| moderate	12.711 \| fine	57.035 \| fine	26.11 \| good	1.361 \| good	2.034 \| good	0.245 \| good
2025-07-25T13:00:00.000Z	62 \| moderate	14.68 \| fine	65.025 \| fine	32.077 \| good	1.739 \| good	1.649 \| good	0.236 \| good
2025-07-25T14:00:00.000Z	56 \| moderate	11.562 \| good	51.024 \| good	37.648 \| good	2.116 \| good	1.265 \| good	0.226 \| good
2025-07-25T15:00:00.000Z	52 \| moderate	9.731 \| good	43.022 \| good	34.067 \| good	2.494 \| good	0.88 \| good	0.216 \| good
2025-07-25T16:00:00.000Z	44 \| good	7.58 \| good	33.016 \| good	30.385 \| good	2.095 \| good	0.839 \| good	0.205 \| good
2025-07-25T17:00:00.000Z	44 \| good	8.381 \| good	36.971 \| good	37.311 \| good	1.695 \| good	0.797 \| good	0.195 \| good
2025-07-25T18:00:00.000Z	38 \| good	6.951 \| good	30.981 \| good	36.568 \| good	1.296 \| good	0.756 \| good	0.184 \| good
2025-07-25T19:00:00.000Z	44 \| good	8.031 \| good	34.998 \| good	38.446 \| good	1.031 \| good	0.859 \| good	0.183 \| good
2025-07-25T20:00:00.000Z	38 \| good	5.804 \| good	24.994 \| good	40.751 \| good	0.766 \| good	0.962 \| good	0.182 \| good
2025-07-25T21:00:00.000Z	38 \| good	5.483 \| good	23.05 \| good	41.016 \| good	0.501 \| good	1.066 \| good	0.181 \| good
2025-07-25T22:00:00.000Z	39 \| good	3.972 \| good	17.014 \| good	42.297 \| good	0.385 \| good	1.284 \| good	0.174 \| good
2025-07-25T23:00:00.000Z	37 \| good	3.947 \| good	17.023 \| good	40.131 \| good	0.269 \| good	1.503 \| good	0.167 \| good
2025-07-26T00:00:00.000Z	31 \| good	1.823 \| good	7.965 \| good	33.787 \| good	0.153 \| good	1.722 \| good	0.159 \| good
2025-07-26T01:00:00.000Z	27 \| good	2.1 \| good	8.053 \| good	28.673 \| good	0.156 \| good	1.678 \| good	0.163 \| good
2025-07-26T02:00:00.000Z	28 \| good	3.004 \| good	12.042 \| good	29.684 \| good	0.159 \| good	1.635 \| good	0.167 \| good
2025-07-26T03:00:00.000Z	24 \| good	4.29 \| good	18.983 \| good	26.344 \| good	0.161 \| good	1.592 \| good	0.17 \| good
2025-07-26T04:00:00.000Z	27 \| good	5.372 \| good	23.023 \| good	24.265 \| good	0.195 \| good	1.585 \| good	0.182 \| good
2025-07-26T05:00:00.000Z	33 \| good	6.257 \| good	28.022 \| good	25.313 \| good	0.228 \| good	1.578 \| good	0.194 \| good
2025-07-26T06:00:00.000Z	54 \| moderate	10.922 \| good	48.035 \| good	23.823 \| good	0.262 \| good	1.571 \| good	0.205 \| good
2025-07-26T07:00:00.000Z	58 \| moderate	13.491 \| fine	60.963 \| fine	22.073 \| good	0.277 \| good	1.514 \| good	0.214 \| good
2025-07-26T08:00:00.000Z	62 \| moderate	15.422 \| fine	68.989 \| fine	20.094 \| good	0.292 \| good	1.458 \| good	0.223 \| good
2025-07-26T09:00:00.000Z	75 \| moderate	22.082 \| fine	96.968 \| fine	12.78 \| good	0.307 \| good	1.402 \| good	0.231 \| good
2025-07-26T10:00:00.000Z	69 \| moderate	19.087 \| fine	84.933 \| fine	14.708 \| good	0.291 \| good	1.335 \| good	0.237 \| good
2025-07-26T11:00:00.000Z	67 \| moderate	17.827 \| fine	79.004 \| fine	16.213 \| good	0.275 \| good	1.269 \| good	0.243 \| good
2025-07-26T12:00:00.000Z	56 \| moderate	12.299 \| fine	55.054 \| fine	18.68 \| good	0.259 \| good	1.202 \| good	0.248 \| good
2025-07-26T13:00:00.000Z	52 \| moderate	10.425 \| good	46.027 \| good	21.907 \| good	0.25 \| good	0.988 \| good	0.241 \| good
2025-07-26T14:00:00.000Z	54 \| moderate	11.271 \| good	49.982 \| good	26.661 \| good	0.242 \| good	0.775 \| good	0.234 \| good
2025-07-26T15:00:00.000Z	56 \| moderate	11.627 \| good	51.063 \| good	32.787 \| good	0.234 \| good	0.561 \| good	0.227 \| good
2025-07-26T16:00:00.000Z	56 \| moderate	12.143 \| fine	54.982 \| good	34.658 \| good	0.229 \| good	0.528 \| good	0.228 \| good
2025-07-26T17:00:00.000Z	54 \| moderate	11.494 \| good	50.994 \| good	38.054 \| good	0.225 \| good	0.496 \| good	0.229 \| good
2025-07-26T18:00:00.000Z	54 \| moderate	11.002 \| good	48.97 \| good	39.004 \| good	0.22 \| good	0.464 \| good	0.231 \| good
2025-07-26T19:00:00.000Z	52 \| moderate	9.828 \| good	43.98 \| good	36.52 \| good	0.212 \| good	0.509 \| good	0.23 \| good
2025-07-26T20:00:00.000Z	38 \| good	7.342 \| good	32.053 \| good	32.35 \| good	0.205 \| good	0.555 \| good	0.229 \| good
2025-07-26T21:00:00.000Z	44 \| good	7.576 \| good	33.031 \| good	27.097 \| good	0.197 \| good	0.601 \| good	0.228 \| good
2025-07-26T22:00:00.000Z	33 \| good	6.404 \| good	28.06 \| good	31.04 \| good	0.208 \| good	1.574 \| good	0.24 \| good
2025-07-26T23:00:00.000Z	38 \| good	6.856 \| good	30.032 \| good	27.086 \| good	0.22 \| good	2.547 \| good	0.253 \| good
2025-07-27T00:00:00.000Z	44 \| good	8.366 \| good	36.956 \| good	27.317 \| good	0.231 \| good	3.52 \| good	0.265 \| good
2025-07-27T01:00:00.000Z	52 \| moderate	10.436 \| good	46.021 \| good	21.857 \| good	0.306 \| good	3.778 \| good	0.273 \| good
2025-07-27T02:00:00.000Z	56 \| moderate	12.24 \| fine	54.966 \| good	23.714 \| good	0.381 \| good	4.035 \| good	0.282 \| good
2025-07-27T03:00:00.000Z	52 \| moderate	9.912 \| good	44.002 \| good	25.55 \| good	0.456 \| good	4.293 \| good	0.29 \| good
2025-07-27T04:00:00.000Z	52 \| moderate	9.604 \| good	42.958 \| good	27.423 \| good	0.468 \| good	4.005 \| good	0.285 \| good
2025-07-27T05:00:00.000Z	49 \| good	9.284 \| good	41.011 \| good	24.572 \| good	0.481 \| good	3.718 \| good	0.28 \| good
2025-07-27T06:00:00.000Z	38 \| good	7.328 \| good	7.585 \| good	34.966 \| good	0.488 \| good	3.369 \| good	0.273 \| good
2025-07-27T07:00:00.000Z	44 \| good	8.485 \| good	37.016 \| good	19.317 \| good	0.521 \| good	3.384 \| good	0.272 \| good

Greenfield

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Greenfield, Massachusetts air quality map: Track AQI near you

0.25ppm

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 06:00:00 on 2025-07-25.

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 02:00:00 on 2025-07-24.

What is the current air quality in Greenfield, Massachusetts?

The current air quality in Greenfield, Massachusetts is 54, categorized as Moderate based on real-time data.

What pollutant is the most common in Greenfield, Massachusetts?

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

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 10.563 μg/m³.

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

The current PM₁₀ concentration at Greenfield, Massachusetts is 35.005 μg/m³.

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

The current carbon monoxide (CO) concentration at Greenfield, Massachusetts is 0.211 ppm.

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

The current sulfur dioxide (SO₂) concentration at Greenfield, Massachusetts is 0.14 ppb.

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

The current ozone (O₃) concentration at Greenfield, Massachusetts is 38.001 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Greenfield, Massachusetts is 6.609 ppb.

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