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

The current PM10 concentration at Medford, Massachusetts is 48.624 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Medford, Massachusetts is 0.625 ppb.

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

The current ozone (O3) concentration at Medford, Massachusetts is 43.053 ppm.

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

The current nitrogen dioxide (NO2) concentration at Medford, Massachusetts is 8.918 ppb.

Medford, Massachusetts live air quality index now

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

Stay updated with real-time air quality in Medford, 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

Medford, Massachusetts

Last updated: ... (Local time)

Major air pollutants in Medford, Massachusetts

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

19.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

78.63 μg/m³

155

255

425

605+

Ozone (O₃)

25.83 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.74 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Medford, Massachusetts

Get Live Pollen Counts

Medford, Massachusetts

Scroll To Air Quality Map

Track live Medford, Massachusetts air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T16:00:00.000Z	64 \| moderate	16.017 \| fine	70.539 \| fine	36.585 \| good	0.318 \| good	6.353 \| good	0.265 \| good
2025-07-29T17:00:00.000Z	62 \| moderate	15.397 \| fine	54.313 \| good	39.044 \| good	0.401 \| good	5.944 \| good	0.265 \| good
2025-07-29T18:00:00.000Z	60 \| moderate	13.606 \| fine	52.44 \| good	45.34 \| good	0.46 \| good	4.779 \| good	0.254 \| good
2025-07-29T19:00:00.000Z	60 \| moderate	14.377 \| fine	65.612 \| fine	45.357 \| good	0.542 \| good	4.66 \| good	0.264 \| good
2025-07-29T20:00:00.000Z	58 \| moderate	13.081 \| fine	41.586 \| good	49.847 \| good	0.648 \| good	4.271 \| good	0.309 \| good
2025-07-29T21:00:00.000Z	60 \| moderate	13.984 \| fine	43.654 \| good	48.311 \| good	0.601 \| good	3.593 \| good	0.274 \| good
2025-07-29T22:00:00.000Z	60 \| moderate	13.956 \| fine	59.462 \| fine	44.778 \| good	0.6 \| good	3.106 \| good	0.244 \| good
2025-07-29T23:00:00.000Z	54 \| moderate	10.873 \| good	53.236 \| good	42.875 \| good	0.555 \| good	3.106 \| good	0.244 \| good
2025-07-30T00:00:00.000Z	56 \| moderate	12.208 \| fine	32.243 \| good	38.102 \| good	0.703 \| good	3.824 \| good	0.233 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.505 \| good	30.968 \| good	41.825 \| good	0.521 \| good	4.75 \| good	0.2 \| good
2025-07-30T02:00:00.000Z	49 \| good	8.65 \| good	35.511 \| good	39.214 \| good	0.338 \| good	9.497 \| good	0.21 \| good
2025-07-30T03:00:00.000Z	69 \| moderate	18.677 \| fine	81.755 \| fine	18.354 \| good	1.095 \| good	17.537 \| good	0.305 \| good
2025-07-30T04:00:00.000Z	54 \| moderate	10.91 \| good	39.655 \| good	23.14 \| good	0.377 \| good	8.793 \| good	0.319 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.727 \| good	42.004 \| good	27.642 \| good	0.364 \| good	16.458 \| good	0.333 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.701 \| good	28.224 \| good	32.17 \| good	0.288 \| good	21.799 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	62 \| moderate	9.083 \| good	77.645 \| fine	25.303 \| good	0.499 \| good	18.14 \| good	0.337 \| good
2025-07-30T08:00:00.000Z	55 \| moderate	10.257 \| good	63.655 \| fine	22.901 \| good	0.55 \| good	18.337 \| good	0.323 \| good
2025-07-30T09:00:00.000Z	57 \| moderate	9.147 \| good	67.269 \| fine	16.957 \| good	0.513 \| good	10.335 \| good	0.227 \| good
2025-07-30T10:00:00.000Z	49 \| good	9.048 \| good	50.579 \| good	20.44 \| good	0.403 \| good	11.131 \| good	0.227 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.332 \| good	34.439 \| good	17.485 \| good	0.403 \| good	10.201 \| good	0.247 \| good
2025-07-30T12:00:00.000Z	52 \| moderate	9.964 \| good	35.809 \| good	20.07 \| good	0.411 \| good	10.345 \| good	0.342 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.843 \| good	33.876 \| good	27.3 \| good	0.434 \| good	9.34 \| good	0.314 \| good
2025-07-30T14:00:00.000Z	73 \| moderate	9.363 \| good	98.51 \| fine	30.355 \| good	0.526 \| good	8.737 \| good	0.27 \| good
2025-07-30T15:00:00.000Z	55 \| moderate	10.161 \| good	62.696 \| fine	29.068 \| good	0.437 \| good	6.891 \| good	0.261 \| good
2025-07-30T16:00:00.000Z	49 \| good	8.595 \| good	33.734 \| good	39.658 \| good	0.423 \| good	7.164 \| good	0.237 \| good
2025-07-30T17:00:00.000Z	49 \| good	9.459 \| good	37.652 \| good	41.398 \| good	0.596 \| good	9.723 \| good	0.27 \| good
2025-07-30T18:00:00.000Z	54 \| moderate	11.323 \| good	47.015 \| good	46.33 \| good	0.594 \| good	8.231 \| good	0.253 \| good
2025-07-30T19:00:00.000Z	49 \| good	8.932 \| good	34.602 \| good	41.062 \| good	0.589 \| good	7.635 \| good	0.26 \| good
2025-07-30T20:00:00.000Z	49 \| good	8.63 \| good	35.635 \| good	41.021 \| good	0.51 \| good	7.072 \| good	0.26 \| good
2025-07-30T21:00:00.000Z	54 \| moderate	11.035 \| good	44.85 \| good	45.89 \| good	0.523 \| good	7.456 \| good	0.279 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	10.856 \| good	44.61 \| good	43.907 \| good	0.46 \| good	8.611 \| good	0.313 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	9.646 \| good	24.494 \| good	35.184 \| good	0.674 \| good	12.324 \| good	0.246 \| good
2025-07-31T00:00:00.000Z	52 \| moderate	10.101 \| good	37.802 \| good	36.865 \| good	0.421 \| good	8.066 \| good	0.246 \| good
2025-07-31T01:00:00.000Z	52 \| moderate	10.106 \| good	42.564 \| good	39.392 \| good	0.424 \| good	10.627 \| good	0.312 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.891 \| good	44.664 \| good	38.335 \| good	0.438 \| good	8.957 \| good	0.279 \| good
2025-07-31T03:00:00.000Z	52 \| moderate	9.992 \| good	45.623 \| good	29.247 \| good	0.433 \| good	7.32 \| good	0.246 \| good
2025-07-31T04:00:00.000Z	52 \| moderate	9.772 \| good	32.955 \| good	31.001 \| good	0.414 \| good	7.319 \| good	0.275 \| good
2025-07-31T05:00:00.000Z	49 \| good	9.242 \| good	38.801 \| good	37.611 \| good	0.429 \| good	10.966 \| good	0.295 \| good
2025-07-31T06:00:00.000Z	55 \| moderate	10.369 \| good	62.882 \| fine	35.235 \| good	0.878 \| good	11.715 \| good	0.321 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	19.73 \| fine	57.164 \| fine	17.4 \| good	0.366 \| good	13.756 \| good	0.223 \| good
2025-07-31T08:00:00.000Z	49 \| good	9.219 \| good	31.522 \| good	20.391 \| good	0.439 \| good	13.053 \| good	0.223 \| good
2025-07-31T09:00:00.000Z	52 \| moderate	9.704 \| good	45.85 \| good	23.655 \| good	0.54 \| good	8.253 \| good	0.18 \| good
2025-07-31T10:00:00.000Z	56 \| moderate	11.672 \| good	46.294 \| good	21.819 \| good	0.641 \| good	5.485 \| good	0.18 \| good
2025-07-31T11:00:00.000Z	52 \| moderate	9.975 \| good	40.576 \| good	25.41 \| good	0.56 \| good	5.253 \| good	0.267 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	11.133 \| good	28.99 \| good	26.774 \| good	0.726 \| good	6.816 \| good	0.28 \| good
2025-07-31T13:00:00.000Z	62 \| moderate	15.338 \| fine	52.855 \| good	25.017 \| good	0.605 \| good	7.766 \| good	0.313 \| good
2025-07-31T14:00:00.000Z	64 \| moderate	15.773 \| fine	67.784 \| fine	26.364 \| good	0.331 \| good	7.149 \| good	0.324 \| good
2025-07-31T15:00:00.000Z	71 \| moderate	19.672 \| fine	84.708 \| fine	27.012 \| good	0.321 \| good	7.349 \| good	0.357 \| good
2025-07-31T15:00:00.000Z	71 \| moderate	19.799 \| fine	78.63 \| fine	25.828 \| good	0.375 \| good	8.736 \| good	0.351 \| good
2025-07-30T23:00:00.000Z	64 \| moderate	16.384 \| fine	73.067 \| fine	36.975 \| good	0.573 \| good	5.602 \| good	0.232 \| good
2025-07-31T00:00:00.000Z	71 \| moderate	20.366 \| fine	89.758 \| fine	29.38 \| good	0.662 \| good	7.439 \| good	0.248 \| good
2025-07-31T01:00:00.000Z	69 \| moderate	18.502 \| fine	82.222 \| fine	26.623 \| good	0.805 \| good	7.571 \| good	0.251 \| good
2025-07-31T02:00:00.000Z	64 \| moderate	16.201 \| fine	71.658 \| fine	31.572 \| good	0.948 \| good	7.704 \| good	0.254 \| good
2025-07-31T03:00:00.000Z	64 \| moderate	16.321 \| fine	72.815 \| fine	30.078 \| good	1.09 \| good	7.836 \| good	0.257 \| good
2025-07-31T04:00:00.000Z	64 \| moderate	15.825 \| fine	70.603 \| fine	29.14 \| good	0.902 \| good	6.411 \| good	0.249 \| good
2025-07-31T05:00:00.000Z	67 \| moderate	18.429 \| fine	81.105 \| fine	26.22 \| good	0.714 \| good	4.985 \| good	0.241 \| good
2025-07-31T06:00:00.000Z	75 \| moderate	21.652 \| fine	94.613 \| fine	24.038 \| good	0.525 \| good	3.56 \| good	0.233 \| good
2025-07-31T07:00:00.000Z	81 \| moderate	24.925 \| fine	108.521 \| fine	24.82 \| good	0.542 \| good	3.27 \| good	0.237 \| good
2025-07-31T08:00:00.000Z	81 \| moderate	24.521 \| fine	107.055 \| fine	25.301 \| good	0.559 \| good	2.98 \| good	0.241 \| good
2025-07-31T09:00:00.000Z	90 \| moderate	30.192 \| fine	130.915 \| fine	23.553 \| good	0.575 \| good	2.691 \| good	0.245 \| good
2025-07-31T10:00:00.000Z	90 \| moderate	30.192 \| fine	130.923 \| fine	22.771 \| good	0.615 \| good	2.985 \| good	0.253 \| good
2025-07-31T11:00:00.000Z	94 \| moderate	31.566 \| fine	136.151 \| fine	26.452 \| good	0.655 \| good	3.279 \| good	0.26 \| good
2025-07-31T12:00:00.000Z	96 \| moderate	33.065 \| fine	143.19 \| fine	28.199 \| good	0.696 \| good	3.573 \| good	0.268 \| good
2025-07-31T13:00:00.000Z	90 \| moderate	30.366 \| fine	131.73 \| fine	29.748 \| good	0.658 \| good	3.152 \| good	0.266 \| good
2025-07-31T14:00:00.000Z	82 \| moderate	25.828 \| fine	112.045 \| fine	29.155 \| good	0.62 \| good	2.731 \| good	0.263 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	18.189 \| fine	79.857 \| fine	29.496 \| good	0.583 \| good	2.309 \| good	0.26 \| good
2025-07-31T16:00:00.000Z	64 \| moderate	15.625 \| fine	69.26 \| fine	33.555 \| good	0.544 \| good	2.045 \| good	0.256 \| good
2025-07-31T17:00:00.000Z	62 \| moderate	15.034 \| fine	67.182 \| fine	34.523 \| good	0.505 \| good	1.781 \| good	0.252 \| good
2025-07-31T18:00:00.000Z	64 \| moderate	15.948 \| fine	71.088 \| fine	35.306 \| good	0.466 \| good	1.517 \| good	0.247 \| good
2025-07-31T19:00:00.000Z	67 \| moderate	17.726 \| fine	78.754 \| fine	35.506 \| good	0.477 \| good	1.834 \| good	0.247 \| good
2025-07-31T20:00:00.000Z	71 \| moderate	19.859 \| fine	86.84 \| fine	32.679 \| good	0.488 \| good	2.152 \| good	0.247 \| good
2025-07-31T21:00:00.000Z	62 \| moderate	15.278 \| fine	68.672 \| fine	28.695 \| good	0.499 \| good	2.469 \| good	0.248 \| good
2025-07-31T22:00:00.000Z	56 \| moderate	11.935 \| good	53.459 \| good	24.457 \| good	0.539 \| good	3.545 \| good	0.255 \| good
2025-07-31T23:00:00.000Z	52 \| moderate	10.067 \| good	44.838 \| good	24.259 \| good	0.58 \| good	4.621 \| good	0.262 \| good
2025-08-01T00:00:00.000Z	49 \| good	9.153 \| good	40.859 \| good	23.88 \| good	0.62 \| good	5.698 \| good	0.269 \| good
2025-08-01T01:00:00.000Z	52 \| moderate	9.581 \| good	42.94 \| good	22.415 \| good	0.672 \| good	6.158 \| good	0.273 \| good
2025-08-01T02:00:00.000Z	52 \| moderate	9.811 \| good	43.565 \| good	25.112 \| good	0.724 \| good	6.618 \| good	0.278 \| good
2025-08-01T03:00:00.000Z	52 \| moderate	10.5 \| good	46.494 \| good	23.852 \| good	0.775 \| good	7.079 \| good	0.283 \| good
2025-08-01T04:00:00.000Z	54 \| moderate	10.679 \| good	47.264 \| good	23.259 \| good	0.875 \| good	7.035 \| good	0.282 \| good
2025-08-01T05:00:00.000Z	56 \| moderate	11.59 \| good	51.022 \| good	23.904 \| good	0.974 \| good	6.992 \| good	0.281 \| good
2025-08-01T06:00:00.000Z	52 \| moderate	10.469 \| good	46.044 \| good	26.219 \| good	1.073 \| good	6.948 \| good	0.28 \| good
2025-08-01T07:00:00.000Z	49 \| good	9.482 \| good	42.044 \| good	26.899 \| good	1.01 \| good	5.854 \| good	0.266 \| good
2025-08-01T08:00:00.000Z	44 \| good	8.16 \| good	35.947 \| good	27.784 \| good	0.948 \| good	4.76 \| good	0.253 \| good
2025-08-01T09:00:00.000Z	38 \| good	6.559 \| good	29.243 \| good	23.961 \| good	0.885 \| good	3.665 \| good	0.239 \| good
2025-08-01T10:00:00.000Z	38 \| good	6.546 \| good	29.153 \| good	22.106 \| good	0.76 \| good	3.713 \| good	0.229 \| good
2025-08-01T11:00:00.000Z	49 \| good	8.643 \| good	37.831 \| good	20.832 \| good	0.636 \| good	3.76 \| good	0.218 \| good
2025-08-01T12:00:00.000Z	49 \| good	9.19 \| good	40.781 \| good	21.519 \| good	0.511 \| good	3.808 \| good	0.208 \| good
2025-08-01T13:00:00.000Z	44 \| good	7.563 \| good	33.145 \| good	23.305 \| good	0.501 \| good	3.809 \| good	0.204 \| good
2025-08-01T14:00:00.000Z	33 \| good	5.628 \| good	24.141 \| good	24.048 \| good	0.491 \| good	3.81 \| good	0.201 \| good
2025-08-01T15:00:00.000Z	33 \| good	5.508 \| good	23.85 \| good	24.87 \| good	0.481 \| good	3.811 \| good	0.197 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.137 \| good	22.091 \| good	23.777 \| good	0.484 \| good	3.421 \| good	0.193 \| good
2025-08-01T17:00:00.000Z	27 \| good	4.677 \| good	20.183 \| good	23.032 \| good	0.486 \| good	3.03 \| good	0.189 \| good
2025-08-01T18:00:00.000Z	22 \| good	4.034 \| good	17.81 \| good	22.287 \| good	0.488 \| good	2.64 \| good	0.185 \| good
2025-08-01T19:00:00.000Z	22 \| good	3.565 \| good	15.855 \| good	21.695 \| good	0.484 \| good	2.676 \| good	0.184 \| good
2025-08-01T20:00:00.000Z	22 \| good	4.141 \| good	18.147 \| good	22.085 \| good	0.48 \| good	2.712 \| good	0.184 \| good
2025-08-01T21:00:00.000Z	22 \| good	3.651 \| good	16.034 \| good	20.404 \| good	0.476 \| good	2.748 \| good	0.183 \| good
2025-08-01T22:00:00.000Z	20 \| good	2.717 \| good	11.299 \| good	22.493 \| good	0.484 \| good	3.354 \| good	0.187 \| good

Medford

Get reliable air quality data to drive your business

Medford, Massachusetts air quality map: Track AQI near you

0.30ppm

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 Medford, Massachusetts updated?

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

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

The worst air quality in Medford, Massachusetts in the last 24 hours was observed at 03:00:00 on 2025-07-30.

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

In the last 24 hrs, the best air quality in Medford, Massachusetts was observed at 07:00:00 on 2025-07-30.

What is the current air quality in Medford, Massachusetts?

The current air quality in Medford, Massachusetts is 56, categorized as Moderate based on real-time data.

What pollutant is the most common in Medford, Massachusetts?

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

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

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

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

The current PM_2.5 concentration at Medford, Massachusetts is 11.788 μg/m³.

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

The current PM₁₀ concentration at Medford, Massachusetts is 48.624 μg/m³.

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

The current carbon monoxide (CO) concentration at Medford, Massachusetts is 0.303 ppm.

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

The current sulfur dioxide (SO₂) concentration at Medford, Massachusetts is 0.625 ppb.

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

The current ozone (O₃) concentration at Medford, Massachusetts is 43.053 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Medford, Massachusetts is 8.918 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T16:00:00.000Z	64 \| moderate	16.017 \| fine	70.539 \| fine	36.585 \| good	0.318 \| good	6.353 \| good	0.265 \| good
2025-07-29T17:00:00.000Z	62 \| moderate	15.397 \| fine	54.313 \| good	39.044 \| good	0.401 \| good	5.944 \| good	0.265 \| good
2025-07-29T18:00:00.000Z	60 \| moderate	13.606 \| fine	52.44 \| good	45.34 \| good	0.46 \| good	4.779 \| good	0.254 \| good
2025-07-29T19:00:00.000Z	60 \| moderate	14.377 \| fine	65.612 \| fine	45.357 \| good	0.542 \| good	4.66 \| good	0.264 \| good
2025-07-29T20:00:00.000Z	58 \| moderate	13.081 \| fine	41.586 \| good	49.847 \| good	0.648 \| good	4.271 \| good	0.309 \| good
2025-07-29T21:00:00.000Z	60 \| moderate	13.984 \| fine	43.654 \| good	48.311 \| good	0.601 \| good	3.593 \| good	0.274 \| good
2025-07-29T22:00:00.000Z	60 \| moderate	13.956 \| fine	59.462 \| fine	44.778 \| good	0.6 \| good	3.106 \| good	0.244 \| good
2025-07-29T23:00:00.000Z	54 \| moderate	10.873 \| good	53.236 \| good	42.875 \| good	0.555 \| good	3.106 \| good	0.244 \| good
2025-07-30T00:00:00.000Z	56 \| moderate	12.208 \| fine	32.243 \| good	38.102 \| good	0.703 \| good	3.824 \| good	0.233 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.505 \| good	30.968 \| good	41.825 \| good	0.521 \| good	4.75 \| good	0.2 \| good
2025-07-30T02:00:00.000Z	49 \| good	8.65 \| good	35.511 \| good	39.214 \| good	0.338 \| good	9.497 \| good	0.21 \| good
2025-07-30T03:00:00.000Z	69 \| moderate	18.677 \| fine	81.755 \| fine	18.354 \| good	1.095 \| good	17.537 \| good	0.305 \| good
2025-07-30T04:00:00.000Z	54 \| moderate	10.91 \| good	39.655 \| good	23.14 \| good	0.377 \| good	8.793 \| good	0.319 \| good
2025-07-30T05:00:00.000Z	54 \| moderate	10.727 \| good	42.004 \| good	27.642 \| good	0.364 \| good	16.458 \| good	0.333 \| good
2025-07-30T06:00:00.000Z	49 \| good	8.701 \| good	28.224 \| good	32.17 \| good	0.288 \| good	21.799 \| good	0.281 \| good
2025-07-30T07:00:00.000Z	62 \| moderate	9.083 \| good	77.645 \| fine	25.303 \| good	0.499 \| good	18.14 \| good	0.337 \| good
2025-07-30T08:00:00.000Z	55 \| moderate	10.257 \| good	63.655 \| fine	22.901 \| good	0.55 \| good	18.337 \| good	0.323 \| good
2025-07-30T09:00:00.000Z	57 \| moderate	9.147 \| good	67.269 \| fine	16.957 \| good	0.513 \| good	10.335 \| good	0.227 \| good
2025-07-30T10:00:00.000Z	49 \| good	9.048 \| good	50.579 \| good	20.44 \| good	0.403 \| good	11.131 \| good	0.227 \| good
2025-07-30T11:00:00.000Z	52 \| moderate	10.332 \| good	34.439 \| good	17.485 \| good	0.403 \| good	10.201 \| good	0.247 \| good
2025-07-30T12:00:00.000Z	52 \| moderate	9.964 \| good	35.809 \| good	20.07 \| good	0.411 \| good	10.345 \| good	0.342 \| good
2025-07-30T13:00:00.000Z	52 \| moderate	9.843 \| good	33.876 \| good	27.3 \| good	0.434 \| good	9.34 \| good	0.314 \| good
2025-07-30T14:00:00.000Z	73 \| moderate	9.363 \| good	98.51 \| fine	30.355 \| good	0.526 \| good	8.737 \| good	0.27 \| good
2025-07-30T15:00:00.000Z	55 \| moderate	10.161 \| good	62.696 \| fine	29.068 \| good	0.437 \| good	6.891 \| good	0.261 \| good
2025-07-30T16:00:00.000Z	49 \| good	8.595 \| good	33.734 \| good	39.658 \| good	0.423 \| good	7.164 \| good	0.237 \| good
2025-07-30T17:00:00.000Z	49 \| good	9.459 \| good	37.652 \| good	41.398 \| good	0.596 \| good	9.723 \| good	0.27 \| good
2025-07-30T18:00:00.000Z	54 \| moderate	11.323 \| good	47.015 \| good	46.33 \| good	0.594 \| good	8.231 \| good	0.253 \| good
2025-07-30T19:00:00.000Z	49 \| good	8.932 \| good	34.602 \| good	41.062 \| good	0.589 \| good	7.635 \| good	0.26 \| good
2025-07-30T20:00:00.000Z	49 \| good	8.63 \| good	35.635 \| good	41.021 \| good	0.51 \| good	7.072 \| good	0.26 \| good
2025-07-30T21:00:00.000Z	54 \| moderate	11.035 \| good	44.85 \| good	45.89 \| good	0.523 \| good	7.456 \| good	0.279 \| good
2025-07-30T22:00:00.000Z	54 \| moderate	10.856 \| good	44.61 \| good	43.907 \| good	0.46 \| good	8.611 \| good	0.313 \| good
2025-07-30T23:00:00.000Z	52 \| moderate	9.646 \| good	24.494 \| good	35.184 \| good	0.674 \| good	12.324 \| good	0.246 \| good
2025-07-31T00:00:00.000Z	52 \| moderate	10.101 \| good	37.802 \| good	36.865 \| good	0.421 \| good	8.066 \| good	0.246 \| good
2025-07-31T01:00:00.000Z	52 \| moderate	10.106 \| good	42.564 \| good	39.392 \| good	0.424 \| good	10.627 \| good	0.312 \| good
2025-07-31T02:00:00.000Z	54 \| moderate	10.891 \| good	44.664 \| good	38.335 \| good	0.438 \| good	8.957 \| good	0.279 \| good
2025-07-31T03:00:00.000Z	52 \| moderate	9.992 \| good	45.623 \| good	29.247 \| good	0.433 \| good	7.32 \| good	0.246 \| good
2025-07-31T04:00:00.000Z	52 \| moderate	9.772 \| good	32.955 \| good	31.001 \| good	0.414 \| good	7.319 \| good	0.275 \| good
2025-07-31T05:00:00.000Z	49 \| good	9.242 \| good	38.801 \| good	37.611 \| good	0.429 \| good	10.966 \| good	0.295 \| good
2025-07-31T06:00:00.000Z	55 \| moderate	10.369 \| good	62.882 \| fine	35.235 \| good	0.878 \| good	11.715 \| good	0.321 \| good
2025-07-31T07:00:00.000Z	71 \| moderate	19.73 \| fine	57.164 \| fine	17.4 \| good	0.366 \| good	13.756 \| good	0.223 \| good
2025-07-31T08:00:00.000Z	49 \| good	9.219 \| good	31.522 \| good	20.391 \| good	0.439 \| good	13.053 \| good	0.223 \| good
2025-07-31T09:00:00.000Z	52 \| moderate	9.704 \| good	45.85 \| good	23.655 \| good	0.54 \| good	8.253 \| good	0.18 \| good
2025-07-31T10:00:00.000Z	56 \| moderate	11.672 \| good	46.294 \| good	21.819 \| good	0.641 \| good	5.485 \| good	0.18 \| good
2025-07-31T11:00:00.000Z	52 \| moderate	9.975 \| good	40.576 \| good	25.41 \| good	0.56 \| good	5.253 \| good	0.267 \| good
2025-07-31T12:00:00.000Z	54 \| moderate	11.133 \| good	28.99 \| good	26.774 \| good	0.726 \| good	6.816 \| good	0.28 \| good
2025-07-31T13:00:00.000Z	62 \| moderate	15.338 \| fine	52.855 \| good	25.017 \| good	0.605 \| good	7.766 \| good	0.313 \| good
2025-07-31T14:00:00.000Z	64 \| moderate	15.773 \| fine	67.784 \| fine	26.364 \| good	0.331 \| good	7.149 \| good	0.324 \| good
2025-07-31T15:00:00.000Z	71 \| moderate	19.672 \| fine	84.708 \| fine	27.012 \| good	0.321 \| good	7.349 \| good	0.357 \| good
2025-07-31T15:00:00.000Z	71 \| moderate	19.799 \| fine	78.63 \| fine	25.828 \| good	0.375 \| good	8.736 \| good	0.351 \| good
2025-07-30T23:00:00.000Z	64 \| moderate	16.384 \| fine	73.067 \| fine	36.975 \| good	0.573 \| good	5.602 \| good	0.232 \| good
2025-07-31T00:00:00.000Z	71 \| moderate	20.366 \| fine	89.758 \| fine	29.38 \| good	0.662 \| good	7.439 \| good	0.248 \| good
2025-07-31T01:00:00.000Z	69 \| moderate	18.502 \| fine	82.222 \| fine	26.623 \| good	0.805 \| good	7.571 \| good	0.251 \| good
2025-07-31T02:00:00.000Z	64 \| moderate	16.201 \| fine	71.658 \| fine	31.572 \| good	0.948 \| good	7.704 \| good	0.254 \| good
2025-07-31T03:00:00.000Z	64 \| moderate	16.321 \| fine	72.815 \| fine	30.078 \| good	1.09 \| good	7.836 \| good	0.257 \| good
2025-07-31T04:00:00.000Z	64 \| moderate	15.825 \| fine	70.603 \| fine	29.14 \| good	0.902 \| good	6.411 \| good	0.249 \| good
2025-07-31T05:00:00.000Z	67 \| moderate	18.429 \| fine	81.105 \| fine	26.22 \| good	0.714 \| good	4.985 \| good	0.241 \| good
2025-07-31T06:00:00.000Z	75 \| moderate	21.652 \| fine	94.613 \| fine	24.038 \| good	0.525 \| good	3.56 \| good	0.233 \| good
2025-07-31T07:00:00.000Z	81 \| moderate	24.925 \| fine	108.521 \| fine	24.82 \| good	0.542 \| good	3.27 \| good	0.237 \| good
2025-07-31T08:00:00.000Z	81 \| moderate	24.521 \| fine	107.055 \| fine	25.301 \| good	0.559 \| good	2.98 \| good	0.241 \| good
2025-07-31T09:00:00.000Z	90 \| moderate	30.192 \| fine	130.915 \| fine	23.553 \| good	0.575 \| good	2.691 \| good	0.245 \| good
2025-07-31T10:00:00.000Z	90 \| moderate	30.192 \| fine	130.923 \| fine	22.771 \| good	0.615 \| good	2.985 \| good	0.253 \| good
2025-07-31T11:00:00.000Z	94 \| moderate	31.566 \| fine	136.151 \| fine	26.452 \| good	0.655 \| good	3.279 \| good	0.26 \| good
2025-07-31T12:00:00.000Z	96 \| moderate	33.065 \| fine	143.19 \| fine	28.199 \| good	0.696 \| good	3.573 \| good	0.268 \| good
2025-07-31T13:00:00.000Z	90 \| moderate	30.366 \| fine	131.73 \| fine	29.748 \| good	0.658 \| good	3.152 \| good	0.266 \| good
2025-07-31T14:00:00.000Z	82 \| moderate	25.828 \| fine	112.045 \| fine	29.155 \| good	0.62 \| good	2.731 \| good	0.263 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	18.189 \| fine	79.857 \| fine	29.496 \| good	0.583 \| good	2.309 \| good	0.26 \| good
2025-07-31T16:00:00.000Z	64 \| moderate	15.625 \| fine	69.26 \| fine	33.555 \| good	0.544 \| good	2.045 \| good	0.256 \| good
2025-07-31T17:00:00.000Z	62 \| moderate	15.034 \| fine	67.182 \| fine	34.523 \| good	0.505 \| good	1.781 \| good	0.252 \| good
2025-07-31T18:00:00.000Z	64 \| moderate	15.948 \| fine	71.088 \| fine	35.306 \| good	0.466 \| good	1.517 \| good	0.247 \| good
2025-07-31T19:00:00.000Z	67 \| moderate	17.726 \| fine	78.754 \| fine	35.506 \| good	0.477 \| good	1.834 \| good	0.247 \| good
2025-07-31T20:00:00.000Z	71 \| moderate	19.859 \| fine	86.84 \| fine	32.679 \| good	0.488 \| good	2.152 \| good	0.247 \| good
2025-07-31T21:00:00.000Z	62 \| moderate	15.278 \| fine	68.672 \| fine	28.695 \| good	0.499 \| good	2.469 \| good	0.248 \| good
2025-07-31T22:00:00.000Z	56 \| moderate	11.935 \| good	53.459 \| good	24.457 \| good	0.539 \| good	3.545 \| good	0.255 \| good
2025-07-31T23:00:00.000Z	52 \| moderate	10.067 \| good	44.838 \| good	24.259 \| good	0.58 \| good	4.621 \| good	0.262 \| good
2025-08-01T00:00:00.000Z	49 \| good	9.153 \| good	40.859 \| good	23.88 \| good	0.62 \| good	5.698 \| good	0.269 \| good
2025-08-01T01:00:00.000Z	52 \| moderate	9.581 \| good	42.94 \| good	22.415 \| good	0.672 \| good	6.158 \| good	0.273 \| good
2025-08-01T02:00:00.000Z	52 \| moderate	9.811 \| good	43.565 \| good	25.112 \| good	0.724 \| good	6.618 \| good	0.278 \| good
2025-08-01T03:00:00.000Z	52 \| moderate	10.5 \| good	46.494 \| good	23.852 \| good	0.775 \| good	7.079 \| good	0.283 \| good
2025-08-01T04:00:00.000Z	54 \| moderate	10.679 \| good	47.264 \| good	23.259 \| good	0.875 \| good	7.035 \| good	0.282 \| good
2025-08-01T05:00:00.000Z	56 \| moderate	11.59 \| good	51.022 \| good	23.904 \| good	0.974 \| good	6.992 \| good	0.281 \| good
2025-08-01T06:00:00.000Z	52 \| moderate	10.469 \| good	46.044 \| good	26.219 \| good	1.073 \| good	6.948 \| good	0.28 \| good
2025-08-01T07:00:00.000Z	49 \| good	9.482 \| good	42.044 \| good	26.899 \| good	1.01 \| good	5.854 \| good	0.266 \| good
2025-08-01T08:00:00.000Z	44 \| good	8.16 \| good	35.947 \| good	27.784 \| good	0.948 \| good	4.76 \| good	0.253 \| good
2025-08-01T09:00:00.000Z	38 \| good	6.559 \| good	29.243 \| good	23.961 \| good	0.885 \| good	3.665 \| good	0.239 \| good
2025-08-01T10:00:00.000Z	38 \| good	6.546 \| good	29.153 \| good	22.106 \| good	0.76 \| good	3.713 \| good	0.229 \| good
2025-08-01T11:00:00.000Z	49 \| good	8.643 \| good	37.831 \| good	20.832 \| good	0.636 \| good	3.76 \| good	0.218 \| good
2025-08-01T12:00:00.000Z	49 \| good	9.19 \| good	40.781 \| good	21.519 \| good	0.511 \| good	3.808 \| good	0.208 \| good
2025-08-01T13:00:00.000Z	44 \| good	7.563 \| good	33.145 \| good	23.305 \| good	0.501 \| good	3.809 \| good	0.204 \| good
2025-08-01T14:00:00.000Z	33 \| good	5.628 \| good	24.141 \| good	24.048 \| good	0.491 \| good	3.81 \| good	0.201 \| good
2025-08-01T15:00:00.000Z	33 \| good	5.508 \| good	23.85 \| good	24.87 \| good	0.481 \| good	3.811 \| good	0.197 \| good
2025-08-01T16:00:00.000Z	27 \| good	5.137 \| good	22.091 \| good	23.777 \| good	0.484 \| good	3.421 \| good	0.193 \| good
2025-08-01T17:00:00.000Z	27 \| good	4.677 \| good	20.183 \| good	23.032 \| good	0.486 \| good	3.03 \| good	0.189 \| good
2025-08-01T18:00:00.000Z	22 \| good	4.034 \| good	17.81 \| good	22.287 \| good	0.488 \| good	2.64 \| good	0.185 \| good
2025-08-01T19:00:00.000Z	22 \| good	3.565 \| good	15.855 \| good	21.695 \| good	0.484 \| good	2.676 \| good	0.184 \| good
2025-08-01T20:00:00.000Z	22 \| good	4.141 \| good	18.147 \| good	22.085 \| good	0.48 \| good	2.712 \| good	0.184 \| good
2025-08-01T21:00:00.000Z	22 \| good	3.651 \| good	16.034 \| good	20.404 \| good	0.476 \| good	2.748 \| good	0.183 \| good
2025-08-01T22:00:00.000Z	20 \| good	2.717 \| good	11.299 \| good	22.493 \| good	0.484 \| good	3.354 \| good	0.187 \| good

Medford, Massachusetts live air quality index now

Major air pollutants in Medford, Massachusetts

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Malden, Massachusetts

Somerville, Massachusetts

Arlington, Massachusetts

Everett, Massachusetts

Winchester, Massachusetts

Melrose, Massachusetts

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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