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

The current PM10 concentration at Greenfield, Massachusetts is 32 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Greenfield, Massachusetts is 0.492 ppb.

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

The current ozone (O3) concentration at Greenfield, Massachusetts is 27.998 ppm.

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

The current nitrogen dioxide (NO2) concentration at Greenfield, Massachusetts is 10.897 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 7.301 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)

7.30 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.00 μg/m³

155

255

425

605+

Ozone (O₃)

28.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.49 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.90 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.34 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
2025-12-27T00:00:00.000Z	31 \| good	3.5 \| good	15.995 \| good	33.999 \| good	0.394 \| good	6.22 \| good	0.2 \| good
2025-12-27T01:00:00.000Z	31 \| good	3.9 \| good	16.996 \| good	33.997 \| good	0.368 \| good	3.189 \| good	0.265 \| good
2025-12-27T02:00:00.000Z	31 \| good	4.2 \| good	18.995 \| good	33.996 \| good	0.318 \| good	4.849 \| good	0.217 \| good
2025-12-27T03:00:00.000Z	29 \| good	4.499 \| good	19.995 \| good	30.996 \| good	0.294 \| good	7.446 \| good	0.192 \| good
2025-12-27T04:00:00.000Z	29 \| good	4.899 \| good	20.994 \| good	30.997 \| good	0.295 \| good	9.209 \| good	0.217 \| good
2025-12-27T05:00:00.000Z	28 \| good	4.7 \| good	20.996 \| good	29.998 \| good	0.266 \| good	9.012 \| good	0.215 \| good
2025-12-27T06:00:00.000Z	28 \| good	5.399 \| good	22.995 \| good	29.997 \| good	0.265 \| good	7.783 \| good	0.215 \| good
2025-12-27T07:00:00.000Z	27 \| good	5.399 \| good	22.995 \| good	28.998 \| good	0.266 \| good	8.223 \| good	0.2 \| good
2025-12-27T08:00:00.000Z	27 \| good	5 \| good	21.997 \| good	27.999 \| good	0.203 \| good	11.237 \| good	0.2 \| good
2025-12-27T09:00:00.000Z	27 \| good	4.699 \| good	20.994 \| good	28.998 \| good	0.309 \| good	9.459 \| good	0.175 \| good
2025-12-27T10:00:00.000Z	27 \| good	4.699 \| good	20.994 \| good	28.998 \| good	0.251 \| good	5.908 \| good	0.179 \| good
2025-12-27T11:00:00.000Z	27 \| good	4.499 \| good	19.994 \| good	28.999 \| good	0.223 \| good	3.914 \| good	0.156 \| good
2025-12-27T12:00:00.000Z	28 \| good	4.499 \| good	19.994 \| good	29.999 \| good	0.223 \| good	2.812 \| good	0.156 \| good
2025-12-27T13:00:00.000Z	28 \| good	4.599 \| good	19.994 \| good	30 \| good	0.251 \| good	3.676 \| good	0.155 \| good
2025-12-27T14:00:00.000Z	28 \| good	4.499 \| good	19.994 \| good	30 \| good	0.311 \| good	3.343 \| good	0.217 \| good
2025-12-27T15:00:00.000Z	28 \| good	4.299 \| good	18.995 \| good	30.001 \| good	0.279 \| good	2.897 \| good	0.217 \| good
2025-12-27T16:00:00.000Z	29 \| good	4.2 \| good	18.995 \| good	31.001 \| good	0.277 \| good	2.777 \| good	0.196 \| good
2025-12-27T17:00:00.000Z	28 \| good	4.2 \| good	18.995 \| good	30.001 \| good	0.261 \| good	3.199 \| good	0.219 \| good
2025-12-27T18:00:00.000Z	29 \| good	4.1 \| good	17.996 \| good	30.999 \| good	0.278 \| good	4.442 \| good	0.171 \| good
2025-12-27T19:00:00.000Z	31 \| good	4.1 \| good	17.996 \| good	32.999 \| good	0.279 \| good	4.762 \| good	0.171 \| good
2025-12-27T20:00:00.000Z	31 \| good	4.1 \| good	17.996 \| good	33 \| good	0.279 \| good	4.622 \| good	0.156 \| good
2025-12-27T21:00:00.000Z	31 \| good	4.199 \| good	18.994 \| good	33 \| good	0.279 \| good	4.392 \| good	0.179 \| good
2025-12-27T22:00:00.000Z	33 \| good	5.698 \| good	24.988 \| good	32.002 \| good	0.279 \| good	6.562 \| good	0.242 \| good
2025-12-27T23:00:00.000Z	33 \| good	6.298 \| good	27.989 \| good	22.009 \| good	0.335 \| good	6.673 \| good	0.279 \| good
2025-12-28T00:00:00.000Z	66 \| moderate	17.388 \| fine	76.946 \| fine	16.011 \| good	0.366 \| good	15.667 \| good	0.351 \| good
2025-12-28T01:00:00.000Z	73 \| moderate	20.986 \| fine	92.935 \| fine	10.014 \| good	0.468 \| good	18.318 \| good	0.444 \| good
2025-12-28T02:00:00.000Z	69 \| moderate	19.09 \| fine	84.952 \| fine	7.013 \| good	0.482 \| good	16.118 \| good	0.502 \| good
2025-12-28T03:00:00.000Z	67 \| moderate	18.124 \| fine	80.963 \| fine	12.89 \| good	0.554 \| good	8.603 \| good	0.217 \| good
2025-12-28T04:00:00.000Z	67 \| moderate	17.693 \| fine	78.968 \| fine	6.011 \| good	0.495 \| good	11.431 \| good	0.47 \| good
2025-12-28T05:00:00.000Z	69 \| moderate	19.293 \| fine	84.969 \| fine	6.01 \| good	0.41 \| good	16.683 \| good	0.474 \| good
2025-12-28T06:00:00.000Z	82 \| moderate	25.689 \| fine	112.951 \| fine	6.009 \| good	0.505 \| good	17.626 \| good	0.335 \| good
2025-12-28T07:00:00.000Z	82 \| moderate	25.689 \| fine	112.951 \| fine	7.009 \| good	0.508 \| good	19.017 \| good	0.35 \| good
2025-12-28T08:00:00.000Z	84 \| moderate	26.589 \| fine	114.953 \| fine	6.009 \| good	0.421 \| good	21.2 \| good	0.288 \| good
2025-12-28T09:00:00.000Z	79 \| moderate	24.292 \| fine	106.961 \| fine	6.007 \| good	0.562 \| good	23.819 \| good	0.383 \| good
2025-12-28T10:00:00.000Z	69 \| moderate	18.696 \| fine	82.981 \| fine	6.007 \| good	0.59 \| good	23.436 \| good	0.42 \| good
2025-12-28T11:00:00.000Z	71 \| moderate	20.194 \| fine	88.973 \| fine	5.005 \| good	0.489 \| good	22.274 \| good	0.34 \| good
2025-12-28T12:00:00.000Z	73 \| moderate	20.794 \| fine	90.97 \| fine	6.006 \| good	0.463 \| good	21.356 \| good	0.341 \| good
2025-12-28T13:00:00.000Z	73 \| moderate	20.794 \| fine	90.97 \| fine	6.006 \| good	0.463 \| good	21.252 \| good	0.403 \| good
2025-12-28T14:00:00.000Z	69 \| moderate	18.594 \| fine	82.972 \| fine	7.006 \| good	0.481 \| good	20.454 \| good	0.465 \| good
2025-12-28T15:00:00.000Z	66 \| moderate	16.995 \| fine	74.974 \| fine	12.002 \| good	0.325 \| good	13.168 \| good	0.275 \| good
2025-12-28T16:00:00.000Z	60 \| moderate	13.697 \| fine	60.982 \| fine	19.997 \| good	0.38 \| good	11.27 \| good	0.212 \| good
2025-12-28T17:00:00.000Z	54 \| moderate	11.198 \| good	49.986 \| good	23.995 \| good	0.359 \| good	9.05 \| good	0.188 \| good
2025-12-28T18:00:00.000Z	52 \| moderate	9.698 \| good	42.988 \| good	24.998 \| good	0.361 \| good	6.178 \| good	0.188 \| good
2025-12-28T19:00:00.000Z	44 \| good	8.499 \| good	36.991 \| good	27.998 \| good	0.328 \| good	8.286 \| good	0.237 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.799 \| good	33.994 \| good	29.997 \| good	0.328 \| good	9.841 \| good	0.278 \| good
2025-12-28T21:00:00.000Z	38 \| good	7.301 \| good	31.999 \| good	30.997 \| good	0.329 \| good	9.025 \| good	0.257 \| good
2025-12-28T22:00:00.000Z	38 \| good	7.301 \| good	32 \| good	27.998 \| good	0.492 \| good	10.897 \| good	0.345 \| good
2025-12-28T23:00:00.000Z	38 \| good	7.301 \| good	32 \| good	27.998 \| good	0.492 \| good	10.897 \| good	0.345 \| good
2025-12-29T00:00:00.000Z	71 \| moderate	19.717 \| fine	86.995 \| fine	9.341 \| good	0.911 \| good	10.54 \| good	0.229 \| good
2025-12-29T01:00:00.000Z	67 \| moderate	18.141 \| fine	80.97 \| fine	11.438 \| good	1.259 \| good	12.053 \| good	0.231 \| good
2025-12-29T02:00:00.000Z	62 \| moderate	15.426 \| fine	69.023 \| fine	8.589 \| good	1.607 \| good	13.565 \| good	0.233 \| good
2025-12-29T03:00:00.000Z	58 \| moderate	13.126 \| fine	59.003 \| fine	10.349 \| good	1.956 \| good	15.078 \| good	0.234 \| good
2025-12-29T04:00:00.000Z	52 \| moderate	10.437 \| good	46.081 \| good	8.743 \| good	1.79 \| good	15.62 \| good	0.231 \| good
2025-12-29T05:00:00.000Z	58 \| moderate	12.93 \| fine	58.948 \| fine	4.037 \| good	1.625 \| good	16.162 \| good	0.227 \| good
2025-12-29T06:00:00.000Z	54 \| moderate	10.719 \| good	48.033 \| good	13.051 \| good	1.46 \| good	16.703 \| good	0.223 \| good
2025-12-29T07:00:00.000Z	44 \| good	8.253 \| good	36.144 \| good	19.737 \| good	1.197 \| good	13.342 \| good	0.204 \| good
2025-12-29T08:00:00.000Z	33 \| good	6.442 \| good	29.048 \| good	18.074 \| good	0.935 \| good	9.98 \| good	0.184 \| good
2025-12-29T09:00:00.000Z	33 \| good	5.955 \| good	26.992 \| good	19.252 \| good	0.673 \| good	6.619 \| good	0.165 \| good
2025-12-29T10:00:00.000Z	22 \| good	4.132 \| good	18.044 \| good	14.14 \| good	0.713 \| good	6.031 \| good	0.165 \| good
2025-12-29T11:00:00.000Z	17 \| good	3.237 \| good	14.02 \| good	18.246 \| good	0.754 \| good	5.443 \| good	0.165 \| good
2025-12-29T12:00:00.000Z	22 \| good	3.692 \| good	16.017 \| good	13.441 \| good	0.794 \| good	4.855 \| good	0.165 \| good
2025-12-29T13:00:00.000Z	22 \| good	3.63 \| good	15.998 \| good	16.219 \| good	0.893 \| good	5.28 \| good	0.172 \| good
2025-12-29T14:00:00.000Z	27 \| good	4.808 \| good	20.971 \| good	15.354 \| good	0.991 \| good	5.705 \| good	0.178 \| good
2025-12-29T15:00:00.000Z	33 \| good	6.068 \| good	27.012 \| good	14.019 \| good	1.089 \| good	6.13 \| good	0.185 \| good
2025-12-29T16:00:00.000Z	38 \| good	7.14 \| good	31.978 \| good	14.271 \| good	1.054 \| good	7.008 \| good	0.191 \| good
2025-12-29T17:00:00.000Z	49 \| good	9.128 \| good	40.959 \| good	13.019 \| good	1.019 \| good	7.885 \| good	0.196 \| good
2025-12-29T18:00:00.000Z	52 \| moderate	9.928 \| good	43.992 \| good	9.869 \| good	0.984 \| good	8.763 \| good	0.202 \| good
2025-12-29T19:00:00.000Z	44 \| good	8.381 \| good	36.989 \| good	16.756 \| good	1.019 \| good	8.107 \| good	0.199 \| good
2025-12-29T20:00:00.000Z	44 \| good	7.978 \| good	34.991 \| good	22.62 \| good	1.053 \| good	7.451 \| good	0.195 \| good
2025-12-29T21:00:00.000Z	38 \| good	6.777 \| good	30.008 \| good	32.627 \| good	1.087 \| good	6.795 \| good	0.192 \| good
2025-12-29T22:00:00.000Z	30 \| good	1.073 \| good	4.047 \| good	32.128 \| good	0.925 \| good	5.275 \| good	0.186 \| good
2025-12-29T23:00:00.000Z	33 \| good	5.968 \| good	26.959 \| good	26.508 \| good	0.762 \| good	3.755 \| good	0.18 \| good
2025-12-30T00:00:00.000Z	27 \| good	4.45 \| good	19.019 \| good	28.577 \| good	0.6 \| good	2.235 \| good	0.173 \| good
2025-12-30T01:00:00.000Z	24 \| good	2.351 \| good	9.983 \| good	25.681 \| good	0.507 \| good	2.096 \| good	0.169 \| good
2025-12-30T02:00:00.000Z	22 \| good	1.011 \| good	4.007 \| good	24.018 \| good	0.415 \| good	1.956 \| good	0.165 \| good
2025-12-30T03:00:00.000Z	23 \| good	0.402 \| good	1.958 \| good	24.881 \| good	0.322 \| good	1.817 \| good	0.161 \| good
2025-12-30T04:00:00.000Z	31 \| good	0.626 \| good	2.023 \| good	32.643 \| good	0.297 \| good	1.559 \| good	0.154 \| good
2025-12-30T05:00:00.000Z	31 \| good	0.26 \| good	0.996 \| good	34.185 \| good	0.273 \| good	1.3 \| good	0.147 \| good
2025-12-30T06:00:00.000Z	31 \| good	0.163 \| good	0.035 \| good	34.466 \| good	0.248 \| good	1.041 \| good	0.14 \| good
2025-12-30T07:00:00.000Z	31 \| good	0.321 \| good	1.005 \| good	32.797 \| good	0.238 \| good	0.946 \| good	0.139 \| good
2025-12-30T08:00:00.000Z	30 \| good	0.359 \| good	1.023 \| good	32.138 \| good	0.228 \| good	0.851 \| good	0.138 \| good
2025-12-30T09:00:00.000Z	31 \| good	0.3 \| good	1 \| good	33.697 \| good	0.219 \| good	0.756 \| good	0.136 \| good
2025-12-30T10:00:00.000Z	31 \| good	0.271 \| good	0.993 \| good	33.364 \| good	0.203 \| good	0.78 \| good	0.136 \| good
2025-12-30T11:00:00.000Z	29 \| good	0.131 \| good	0.021 \| good	30.761 \| good	0.187 \| good	0.803 \| good	0.136 \| good
2025-12-30T12:00:00.000Z	29 \| good	0.23 \| good	0.974 \| good	30.929 \| good	0.171 \| good	0.827 \| good	0.137 \| good
2025-12-30T13:00:00.000Z	31 \| good	0.23 \| good	0.979 \| good	34.324 \| good	0.165 \| good	0.781 \| good	0.135 \| good
2025-12-30T14:00:00.000Z	31 \| good	0.25 \| good	0.979 \| good	34.207 \| good	0.16 \| good	0.736 \| good	0.134 \| good
2025-12-30T15:00:00.000Z	30 \| good	0.28 \| good	0.979 \| good	31.744 \| good	0.155 \| good	0.691 \| good	0.133 \| good
2025-12-30T16:00:00.000Z	29 \| good	0.211 \| good	0.967 \| good	30.992 \| good	0.153 \| good	0.679 \| good	0.133 \| good
2025-12-30T17:00:00.000Z	28 \| good	0.469 \| good	1.967 \| good	30.084 \| good	0.15 \| good	0.667 \| good	0.132 \| good
2025-12-30T18:00:00.000Z	29 \| good	0.669 \| good	2.036 \| good	31.104 \| good	0.148 \| good	0.656 \| good	0.132 \| good
2025-12-30T19:00:00.000Z	30 \| good	0.289 \| good	0.993 \| good	32.389 \| good	0.161 \| good	0.853 \| good	0.132 \| good
2025-12-30T20:00:00.000Z	30 \| good	0.3 \| good	1 \| good	32.287 \| good	0.174 \| good	1.05 \| good	0.132 \| good
2025-12-30T21:00:00.000Z	31 \| good	0.18 \| good	0.036 \| good	33.427 \| good	0.188 \| good	1.247 \| good	0.132 \| good
2025-12-30T22:00:00.000Z	34 \| good	0.33 \| good	1 \| good	36.516 \| good	0.233 \| good	1.359 \| good	0.133 \| good
2025-12-30T23:00:00.000Z	34 \| good	2.278 \| good	9.024 \| good	36.748 \| good	0.279 \| good	1.471 \| good	0.133 \| good

Greenfield

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Greenfield, Massachusetts air quality map: Track AQI near you

0.46ppm

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 08:00:00 on 2025-12-28.

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 11:00:00 on 2025-12-27.

What is the current air quality in Greenfield, Massachusetts?

The current air quality in Greenfield, Massachusetts is 38, 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 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 7.301 μg/m³.

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

The current PM₁₀ concentration at Greenfield, Massachusetts is 32 μg/m³.

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

The current carbon monoxide (CO) concentration at Greenfield, Massachusetts is 0.345 ppm.

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

The current sulfur dioxide (SO₂) concentration at Greenfield, Massachusetts is 0.492 ppb.

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

The current ozone (O₃) concentration at Greenfield, Massachusetts is 27.998 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Greenfield, Massachusetts is 10.897 ppb.

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