What is the current concentration of PM10 in Biddeford, Maine?

The current PM10 concentration at Biddeford, Maine is 47.332 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Biddeford, Maine?

The current sulfur dioxide (SO2) concentration at Biddeford, Maine is 1.076 ppb.

What is the current concentration of ozone (O3) in Biddeford, Maine?

The current ozone (O3) concentration at Biddeford, Maine is 39.553 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Biddeford, Maine?

The current nitrogen dioxide (NO2) concentration at Biddeford, Maine is 3.409 ppb.

Biddeford, Maine live air quality index now

Name: Live air pollution levels in Biddeford, Maine today
Creator: Ambee

Stay updated with real-time air quality in Biddeford, Maine 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

Biddeford, Maine

Last updated: ... (Local time)

Major air pollutants in Biddeford, Maine

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.79 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

38.03 μg/m³

155

255

425

605+

Ozone (O₃)

18.07 ppb

201

201+

Sulfur Dioxide (SO₂)

0.71 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.25 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Biddeford, Maine

Get Live Pollen Counts

Biddeford, Maine

Scroll To Air Quality Map

Track live Biddeford, Maine air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T11:00:00.000Z	62 \| moderate	15.078 \| fine	66.274 \| fine	6.838 \| good	0.395 \| good	11.746 \| good	0.255 \| good
2025-07-29T12:00:00.000Z	63 \| moderate	14.661 \| fine	79.644 \| fine	10.595 \| good	0.408 \| good	14.341 \| good	0.297 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	13.794 \| fine	21.21 \| good	10.784 \| good	1.785 \| good	11.547 \| good	0.27 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.663 \| fine	44.875 \| good	18.269 \| good	1.169 \| good	10.87 \| good	0.307 \| good
2025-07-29T15:00:00.000Z	58 \| moderate	13.143 \| fine	45.41 \| good	19.418 \| good	3.845 \| good	9 \| good	0.264 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.716 \| fine	47.391 \| good	26.642 \| good	1.686 \| good	9.66 \| good	0.241 \| good
2025-07-29T17:00:00.000Z	56 \| moderate	12.476 \| fine	43.91 \| good	33.289 \| good	1.258 \| good	7.642 \| good	0.241 \| good
2025-07-29T18:00:00.000Z	56 \| moderate	11.707 \| good	33.564 \| good	38.132 \| good	2.222 \| good	6.798 \| good	0.223 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.547 \| good	51.52 \| good	39.466 \| good	2.071 \| good	5.991 \| good	0.205 \| good
2025-07-29T20:00:00.000Z	56 \| moderate	11.719 \| good	35.513 \| good	37.759 \| good	1.396 \| good	4.826 \| good	0.244 \| good
2025-07-29T21:00:00.000Z	56 \| moderate	11.78 \| good	47.332 \| good	39.553 \| good	1.076 \| good	3.409 \| good	0.241 \| good
2025-07-29T22:00:00.000Z	60 \| moderate	13.93 \| fine	45.087 \| good	45.363 \| good	2.081 \| good	2.955 \| good	0.237 \| good
2025-07-29T23:00:00.000Z	49 \| good	9.434 \| good	37.596 \| good	45.764 \| good	1.085 \| good	2.744 \| good	0.237 \| good
2025-07-30T00:00:00.000Z	54 \| moderate	11.07 \| good	30.98 \| good	45.491 \| good	1.076 \| good	5.004 \| good	0.221 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	10.053 \| good	26.183 \| good	36.874 \| good	0.562 \| good	5.782 \| good	0.182 \| good
2025-07-30T02:00:00.000Z	49 \| good	9.219 \| good	38.648 \| good	36.28 \| good	0.412 \| good	5.324 \| good	0.182 \| good
2025-07-30T03:00:00.000Z	88 \| moderate	28.575 \| fine	123.992 \| fine	23.643 \| good	0.247 \| good	2.815 \| good	0.202 \| good
2025-07-30T04:00:00.000Z	61 \| moderate	10.56 \| good	74.563 \| fine	29.044 \| good	0.447 \| good	9.145 \| good	0.264 \| good
2025-07-30T05:00:00.000Z	49 \| good	9.42 \| good	39.984 \| good	26.57 \| good	0.469 \| good	5.784 \| good	0.299 \| good
2025-07-30T06:00:00.000Z	63 \| moderate	10.55 \| good	79.42 \| fine	22.855 \| good	0.411 \| good	8.963 \| good	0.264 \| good
2025-07-30T07:00:00.000Z	52 \| moderate	9.541 \| good	57.112 \| fine	16.925 \| good	0.493 \| good	6.167 \| good	0.295 \| good
2025-07-30T08:00:00.000Z	49 \| good	9.06 \| good	22.236 \| good	17.053 \| good	0.548 \| good	6.155 \| good	0.289 \| good
2025-07-30T09:00:00.000Z	49 \| good	9.188 \| good	26.252 \| good	20.562 \| good	0.554 \| good	7.836 \| good	0.249 \| good
2025-07-30T10:00:00.000Z	44 \| good	7.975 \| good	32.149 \| good	20.024 \| good	0.486 \| good	8.095 \| good	0.249 \| good
2025-07-30T11:00:00.000Z	57 \| moderate	8.584 \| good	67.845 \| fine	20.793 \| good	0.619 \| good	6.434 \| good	0.264 \| good
2025-07-30T12:00:00.000Z	44 \| good	7.855 \| good	29.186 \| good	15.039 \| good	0.78 \| good	10.419 \| good	0.308 \| good
2025-07-30T13:00:00.000Z	54 \| moderate	10.636 \| good	43.314 \| good	16.373 \| good	0.942 \| good	5.369 \| good	0.322 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	11.482 \| good	47.613 \| good	25.001 \| good	1.42 \| good	4.369 \| good	0.285 \| good
2025-07-30T15:00:00.000Z	58 \| moderate	13.154 \| fine	39.893 \| good	26.142 \| good	2.278 \| good	6.844 \| good	0.269 \| good
2025-07-30T16:00:00.000Z	63 \| moderate	11.513 \| good	80.114 \| fine	29.955 \| good	1.75 \| good	5.545 \| good	0.264 \| good
2025-07-30T17:00:00.000Z	54 \| moderate	11.125 \| good	43.424 \| good	33.161 \| good	1.396 \| good	6.283 \| good	0.268 \| good
2025-07-30T18:00:00.000Z	54 \| moderate	10.815 \| good	37.432 \| good	35.851 \| good	0.586 \| good	4.865 \| good	0.252 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	9.978 \| good	35.982 \| good	34.853 \| good	0.532 \| good	5.84 \| good	0.252 \| good
2025-07-30T20:00:00.000Z	49 \| good	9.396 \| good	29.6 \| good	34.689 \| good	0.4 \| good	5.311 \| good	0.252 \| good
2025-07-30T21:00:00.000Z	58 \| moderate	13.148 \| fine	41.153 \| good	32.958 \| good	0.437 \| good	5.604 \| good	0.249 \| good
2025-07-30T22:00:00.000Z	56 \| moderate	12.482 \| fine	46.708 \| good	30.415 \| good	0.425 \| good	2.651 \| good	0.286 \| good
2025-07-30T23:00:00.000Z	49 \| good	9.364 \| good	49.237 \| good	26.201 \| good	0.504 \| good	3.152 \| good	0.228 \| good
2025-07-31T00:00:00.000Z	54 \| moderate	10.911 \| good	32.701 \| good	26.283 \| good	0.397 \| good	5.34 \| good	0.228 \| good
2025-07-31T01:00:00.000Z	56 \| moderate	11.59 \| good	26.653 \| good	29.881 \| good	0.383 \| good	7.271 \| good	0.27 \| good
2025-07-31T02:00:00.000Z	60 \| moderate	13.816 \| fine	36.185 \| good	26.182 \| good	0.346 \| good	10.962 \| good	0.249 \| good
2025-07-31T03:00:00.000Z	60 \| moderate	13.828 \| fine	60.097 \| fine	28.265 \| good	0.458 \| good	8.343 \| good	0.228 \| good
2025-07-31T04:00:00.000Z	80 \| moderate	15.538 \| fine	113.858 \| fine	18.892 \| good	0.497 \| good	7.588 \| good	0.228 \| good
2025-07-31T05:00:00.000Z	65 \| moderate	15.406 \| fine	82.675 \| fine	24.522 \| good	0.599 \| good	7.533 \| good	0.274 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	18.007 \| fine	46.074 \| good	22.564 \| good	1.051 \| good	6.548 \| good	0.308 \| good
2025-07-31T07:00:00.000Z	69 \| moderate	19.246 \| fine	55.969 \| fine	13.044 \| good	0.816 \| good	6.989 \| good	0.225 \| good
2025-07-31T08:00:00.000Z	56 \| moderate	12.294 \| fine	58.808 \| fine	23.244 \| good	0.567 \| good	6.782 \| good	0.225 \| good
2025-07-31T09:00:00.000Z	56 \| moderate	11.79 \| good	38.033 \| good	18.074 \| good	0.709 \| good	6.254 \| good	0.203 \| good
2025-07-31T10:00:00.000Z	56 \| moderate	11.79 \| good	38.033 \| good	18.074 \| good	0.709 \| good	6.254 \| good	0.203 \| good
2025-07-29T23:00:00.000Z	73 \| moderate	20.846 \| fine	91.657 \| fine	29.605 \| good	0.197 \| good	2.351 \| good	0.192 \| good
2025-07-30T00:00:00.000Z	71 \| moderate	19.589 \| fine	86.267 \| fine	31.373 \| good	0.182 \| good	2.823 \| good	0.195 \| good
2025-07-30T01:00:00.000Z	77 \| moderate	23.249 \| fine	101.953 \| fine	27.284 \| good	0.2 \| good	2.732 \| good	0.199 \| good
2025-07-30T02:00:00.000Z	79 \| moderate	24.47 \| fine	106.266 \| fine	25.732 \| good	0.218 \| good	2.641 \| good	0.204 \| good
2025-07-30T03:00:00.000Z	88 \| moderate	28.654 \| fine	124.484 \| fine	22.746 \| good	0.237 \| good	2.55 \| good	0.209 \| good
2025-07-30T04:00:00.000Z	94 \| moderate	31.816 \| fine	137.629 \| fine	22.909 \| good	0.264 \| good	2.718 \| good	0.214 \| good
2025-07-30T05:00:00.000Z	86 \| moderate	28.434 \| fine	123.838 \| fine	21.204 \| good	0.291 \| good	2.887 \| good	0.22 \| good
2025-07-30T06:00:00.000Z	82 \| moderate	26.175 \| fine	114.039 \| fine	19.062 \| good	0.317 \| good	3.055 \| good	0.225 \| good
2025-07-30T07:00:00.000Z	81 \| moderate	24.805 \| fine	108.11 \| fine	14.731 \| good	0.32 \| good	3.432 \| good	0.233 \| good
2025-07-30T08:00:00.000Z	73 \| moderate	20.897 \| fine	91.969 \| fine	12.182 \| good	0.323 \| good	3.81 \| good	0.24 \| good
2025-07-30T09:00:00.000Z	79 \| moderate	24.495 \| fine	106.849 \| fine	11.794 \| good	0.326 \| good	4.187 \| good	0.247 \| good
2025-07-30T10:00:00.000Z	77 \| moderate	22.942 \| fine	100.655 \| fine	11.653 \| good	0.338 \| good	3.874 \| good	0.256 \| good
2025-07-30T11:00:00.000Z	67 \| moderate	17.697 \| fine	78.401 \| fine	15.989 \| good	0.35 \| good	3.561 \| good	0.264 \| good
2025-07-30T12:00:00.000Z	66 \| moderate	17.48 \| fine	77.219 \| fine	22.117 \| good	0.361 \| good	3.249 \| good	0.273 \| good
2025-07-30T13:00:00.000Z	71 \| moderate	19.582 \| fine	86.567 \| fine	23.798 \| good	0.408 \| good	2.653 \| good	0.267 \| good
2025-07-30T14:00:00.000Z	71 \| moderate	20.226 \| fine	89.084 \| fine	27.071 \| good	0.455 \| good	2.057 \| good	0.262 \| good
2025-07-30T15:00:00.000Z	71 \| moderate	20.142 \| fine	88.272 \| fine	31.228 \| good	0.501 \| good	1.462 \| good	0.256 \| good
2025-07-30T16:00:00.000Z	71 \| moderate	19.953 \| fine	87.971 \| fine	35.014 \| good	0.45 \| good	1.338 \| good	0.249 \| good
2025-07-30T17:00:00.000Z	73 \| moderate	20.929 \| fine	91.945 \| fine	38.284 \| good	0.398 \| good	1.215 \| good	0.242 \| good
2025-07-30T18:00:00.000Z	71 \| moderate	20.174 \| fine	88.976 \| fine	36.979 \| good	0.346 \| good	1.092 \| good	0.235 \| good
2025-07-30T19:00:00.000Z	64 \| moderate	15.93 \| fine	71.263 \| fine	36.192 \| good	0.322 \| good	1.434 \| good	0.233 \| good
2025-07-30T20:00:00.000Z	64 \| moderate	15.614 \| fine	69.149 \| fine	34.531 \| good	0.299 \| good	1.775 \| good	0.232 \| good
2025-07-30T21:00:00.000Z	66 \| moderate	16.736 \| fine	74.573 \| fine	33.425 \| good	0.275 \| good	2.117 \| good	0.231 \| good
2025-07-30T22:00:00.000Z	66 \| moderate	16.908 \| fine	74.453 \| fine	30.147 \| good	0.267 \| good	3.273 \| good	0.241 \| good
2025-07-30T23:00:00.000Z	64 \| moderate	16.351 \| fine	72.647 \| fine	29.054 \| good	0.26 \| good	4.429 \| good	0.252 \| good
2025-07-31T00:00:00.000Z	64 \| moderate	16.212 \| fine	71.703 \| fine	26.872 \| good	0.252 \| good	5.585 \| good	0.262 \| good
2025-07-31T01:00:00.000Z	64 \| moderate	15.592 \| fine	69.627 \| fine	26.755 \| good	0.272 \| good	5.733 \| good	0.261 \| good
2025-07-31T02:00:00.000Z	66 \| moderate	17.085 \| fine	76.108 \| fine	20.492 \| good	0.293 \| good	5.881 \| good	0.259 \| good
2025-07-31T03:00:00.000Z	69 \| moderate	19.26 \| fine	85.322 \| fine	19.474 \| good	0.313 \| good	6.029 \| good	0.258 \| good
2025-07-31T04:00:00.000Z	73 \| moderate	20.53 \| fine	89.769 \| fine	19.332 \| good	0.311 \| good	5.184 \| good	0.248 \| good
2025-07-31T05:00:00.000Z	73 \| moderate	21.341 \| fine	93.457 \| fine	20.009 \| good	0.31 \| good	4.339 \| good	0.238 \| good
2025-07-31T06:00:00.000Z	73 \| moderate	21.438 \| fine	93.853 \| fine	19.685 \| good	0.308 \| good	3.494 \| good	0.228 \| good
2025-07-31T07:00:00.000Z	79 \| moderate	24.047 \| fine	105.302 \| fine	18.8 \| good	0.315 \| good	3.021 \| good	0.228 \| good
2025-07-31T08:00:00.000Z	92 \| moderate	31.031 \| fine	134.779 \| fine	19.304 \| good	0.321 \| good	2.547 \| good	0.228 \| good
2025-07-31T09:00:00.000Z	62 \| moderate	14.639 \| fine	65.871 \| fine	16.318 \| good	0.327 \| good	2.074 \| good	0.229 \| good
2025-07-31T10:00:00.000Z	67 \| moderate	18.455 \| fine	81.515 \| fine	14.152 \| good	0.33 \| good	2.242 \| good	0.235 \| good
2025-07-31T11:00:00.000Z	64 \| moderate	16.004 \| fine	71.067 \| fine	16.459 \| good	0.332 \| good	2.41 \| good	0.24 \| good
2025-07-31T12:00:00.000Z	66 \| moderate	16.669 \| fine	74.104 \| fine	18.023 \| good	0.335 \| good	2.578 \| good	0.246 \| good
2025-07-31T13:00:00.000Z	66 \| moderate	16.603 \| fine	73.451 \| fine	17.08 \| good	0.349 \| good	2.255 \| good	0.246 \| good
2025-07-31T14:00:00.000Z	62 \| moderate	15.391 \| fine	69.291 \| fine	17.269 \| good	0.363 \| good	1.932 \| good	0.246 \| good
2025-07-31T15:00:00.000Z	58 \| moderate	13.124 \| fine	59.516 \| fine	18.391 \| good	0.377 \| good	1.609 \| good	0.245 \| good
2025-07-31T16:00:00.000Z	54 \| moderate	11.171 \| good	49.365 \| good	16.609 \| good	0.371 \| good	1.457 \| good	0.244 \| good
2025-07-31T17:00:00.000Z	52 \| moderate	10.248 \| good	45.412 \| good	15.057 \| good	0.365 \| good	1.306 \| good	0.242 \| good
2025-07-31T18:00:00.000Z	54 \| moderate	11.269 \| good	49.584 \| good	15.048 \| good	0.359 \| good	1.155 \| good	0.24 \| good
2025-07-31T19:00:00.000Z	54 \| moderate	10.908 \| good	48.146 \| good	19.722 \| good	0.366 \| good	1.518 \| good	0.245 \| good
2025-07-31T20:00:00.000Z	52 \| moderate	10.075 \| good	44.948 \| good	20.608 \| good	0.373 \| good	1.882 \| good	0.249 \| good
2025-07-31T21:00:00.000Z	49 \| good	9.086 \| good	40.334 \| good	19.499 \| good	0.38 \| good	2.246 \| good	0.254 \| good
2025-07-31T22:00:00.000Z	44 \| good	7.861 \| good	34.664 \| good	17.5 \| good	0.383 \| good	2.784 \| good	0.258 \| good

Biddeford

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Biddeford, Maine air quality map: Track AQI near you

0.24ppm

How accurate is Maine, USA air quality data?

Air quality data and pollutant measurements for Maine, 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 Biddeford, Maine updated?

The air quality for Biddeford, Maine is updated every hour.

When was the worst air quality at Biddeford, Maine in the last 24 hrs?

The worst air quality in Biddeford, Maine in the last 24 hours was observed at 12:00:00 on 2025-07-29.

When was the best air quality at Biddeford, Maine in the last 24 hrs?

In the last 24 hrs, the best air quality in Biddeford, Maine was observed at 09:00:00 on 2025-07-29.

What is the current air quality in Biddeford, Maine?

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

What pollutant is the most common in Biddeford, Maine?

The most common pollutant in Biddeford, Maine is PM2.5.

What should I do if the air quality in Biddeford, Maine is poor?

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

What is the current concentration of PM_2.5 in Biddeford, Maine?

The current PM_2.5 concentration at Biddeford, Maine is 11.78 μg/m³.

What is the current concentration of PM₁₀ in Biddeford, Maine?

The current PM₁₀ concentration at Biddeford, Maine is 47.332 μg/m³.

What is the current concentration of carbon monoxide (CO) in Biddeford, Maine?

The current carbon monoxide (CO) concentration at Biddeford, Maine is 0.241 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Biddeford, Maine?

The current sulfur dioxide (SO₂) concentration at Biddeford, Maine is 1.076 ppb.

What is the current concentration of ozone (O₃) in Biddeford, Maine?

The current ozone (O₃) concentration at Biddeford, Maine is 39.553 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Biddeford, Maine?

The current nitrogen dioxide (NO₂) concentration at Biddeford, Maine is 3.409 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T11:00:00.000Z	62 \| moderate	15.078 \| fine	66.274 \| fine	6.838 \| good	0.395 \| good	11.746 \| good	0.255 \| good
2025-07-29T12:00:00.000Z	63 \| moderate	14.661 \| fine	79.644 \| fine	10.595 \| good	0.408 \| good	14.341 \| good	0.297 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	13.794 \| fine	21.21 \| good	10.784 \| good	1.785 \| good	11.547 \| good	0.27 \| good
2025-07-29T14:00:00.000Z	60 \| moderate	13.663 \| fine	44.875 \| good	18.269 \| good	1.169 \| good	10.87 \| good	0.307 \| good
2025-07-29T15:00:00.000Z	58 \| moderate	13.143 \| fine	45.41 \| good	19.418 \| good	3.845 \| good	9 \| good	0.264 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.716 \| fine	47.391 \| good	26.642 \| good	1.686 \| good	9.66 \| good	0.241 \| good
2025-07-29T17:00:00.000Z	56 \| moderate	12.476 \| fine	43.91 \| good	33.289 \| good	1.258 \| good	7.642 \| good	0.241 \| good
2025-07-29T18:00:00.000Z	56 \| moderate	11.707 \| good	33.564 \| good	38.132 \| good	2.222 \| good	6.798 \| good	0.223 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	11.547 \| good	51.52 \| good	39.466 \| good	2.071 \| good	5.991 \| good	0.205 \| good
2025-07-29T20:00:00.000Z	56 \| moderate	11.719 \| good	35.513 \| good	37.759 \| good	1.396 \| good	4.826 \| good	0.244 \| good
2025-07-29T21:00:00.000Z	56 \| moderate	11.78 \| good	47.332 \| good	39.553 \| good	1.076 \| good	3.409 \| good	0.241 \| good
2025-07-29T22:00:00.000Z	60 \| moderate	13.93 \| fine	45.087 \| good	45.363 \| good	2.081 \| good	2.955 \| good	0.237 \| good
2025-07-29T23:00:00.000Z	49 \| good	9.434 \| good	37.596 \| good	45.764 \| good	1.085 \| good	2.744 \| good	0.237 \| good
2025-07-30T00:00:00.000Z	54 \| moderate	11.07 \| good	30.98 \| good	45.491 \| good	1.076 \| good	5.004 \| good	0.221 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	10.053 \| good	26.183 \| good	36.874 \| good	0.562 \| good	5.782 \| good	0.182 \| good
2025-07-30T02:00:00.000Z	49 \| good	9.219 \| good	38.648 \| good	36.28 \| good	0.412 \| good	5.324 \| good	0.182 \| good
2025-07-30T03:00:00.000Z	88 \| moderate	28.575 \| fine	123.992 \| fine	23.643 \| good	0.247 \| good	2.815 \| good	0.202 \| good
2025-07-30T04:00:00.000Z	61 \| moderate	10.56 \| good	74.563 \| fine	29.044 \| good	0.447 \| good	9.145 \| good	0.264 \| good
2025-07-30T05:00:00.000Z	49 \| good	9.42 \| good	39.984 \| good	26.57 \| good	0.469 \| good	5.784 \| good	0.299 \| good
2025-07-30T06:00:00.000Z	63 \| moderate	10.55 \| good	79.42 \| fine	22.855 \| good	0.411 \| good	8.963 \| good	0.264 \| good
2025-07-30T07:00:00.000Z	52 \| moderate	9.541 \| good	57.112 \| fine	16.925 \| good	0.493 \| good	6.167 \| good	0.295 \| good
2025-07-30T08:00:00.000Z	49 \| good	9.06 \| good	22.236 \| good	17.053 \| good	0.548 \| good	6.155 \| good	0.289 \| good
2025-07-30T09:00:00.000Z	49 \| good	9.188 \| good	26.252 \| good	20.562 \| good	0.554 \| good	7.836 \| good	0.249 \| good
2025-07-30T10:00:00.000Z	44 \| good	7.975 \| good	32.149 \| good	20.024 \| good	0.486 \| good	8.095 \| good	0.249 \| good
2025-07-30T11:00:00.000Z	57 \| moderate	8.584 \| good	67.845 \| fine	20.793 \| good	0.619 \| good	6.434 \| good	0.264 \| good
2025-07-30T12:00:00.000Z	44 \| good	7.855 \| good	29.186 \| good	15.039 \| good	0.78 \| good	10.419 \| good	0.308 \| good
2025-07-30T13:00:00.000Z	54 \| moderate	10.636 \| good	43.314 \| good	16.373 \| good	0.942 \| good	5.369 \| good	0.322 \| good
2025-07-30T14:00:00.000Z	54 \| moderate	11.482 \| good	47.613 \| good	25.001 \| good	1.42 \| good	4.369 \| good	0.285 \| good
2025-07-30T15:00:00.000Z	58 \| moderate	13.154 \| fine	39.893 \| good	26.142 \| good	2.278 \| good	6.844 \| good	0.269 \| good
2025-07-30T16:00:00.000Z	63 \| moderate	11.513 \| good	80.114 \| fine	29.955 \| good	1.75 \| good	5.545 \| good	0.264 \| good
2025-07-30T17:00:00.000Z	54 \| moderate	11.125 \| good	43.424 \| good	33.161 \| good	1.396 \| good	6.283 \| good	0.268 \| good
2025-07-30T18:00:00.000Z	54 \| moderate	10.815 \| good	37.432 \| good	35.851 \| good	0.586 \| good	4.865 \| good	0.252 \| good
2025-07-30T19:00:00.000Z	52 \| moderate	9.978 \| good	35.982 \| good	34.853 \| good	0.532 \| good	5.84 \| good	0.252 \| good
2025-07-30T20:00:00.000Z	49 \| good	9.396 \| good	29.6 \| good	34.689 \| good	0.4 \| good	5.311 \| good	0.252 \| good
2025-07-30T21:00:00.000Z	58 \| moderate	13.148 \| fine	41.153 \| good	32.958 \| good	0.437 \| good	5.604 \| good	0.249 \| good
2025-07-30T22:00:00.000Z	56 \| moderate	12.482 \| fine	46.708 \| good	30.415 \| good	0.425 \| good	2.651 \| good	0.286 \| good
2025-07-30T23:00:00.000Z	49 \| good	9.364 \| good	49.237 \| good	26.201 \| good	0.504 \| good	3.152 \| good	0.228 \| good
2025-07-31T00:00:00.000Z	54 \| moderate	10.911 \| good	32.701 \| good	26.283 \| good	0.397 \| good	5.34 \| good	0.228 \| good
2025-07-31T01:00:00.000Z	56 \| moderate	11.59 \| good	26.653 \| good	29.881 \| good	0.383 \| good	7.271 \| good	0.27 \| good
2025-07-31T02:00:00.000Z	60 \| moderate	13.816 \| fine	36.185 \| good	26.182 \| good	0.346 \| good	10.962 \| good	0.249 \| good
2025-07-31T03:00:00.000Z	60 \| moderate	13.828 \| fine	60.097 \| fine	28.265 \| good	0.458 \| good	8.343 \| good	0.228 \| good
2025-07-31T04:00:00.000Z	80 \| moderate	15.538 \| fine	113.858 \| fine	18.892 \| good	0.497 \| good	7.588 \| good	0.228 \| good
2025-07-31T05:00:00.000Z	65 \| moderate	15.406 \| fine	82.675 \| fine	24.522 \| good	0.599 \| good	7.533 \| good	0.274 \| good
2025-07-31T06:00:00.000Z	67 \| moderate	18.007 \| fine	46.074 \| good	22.564 \| good	1.051 \| good	6.548 \| good	0.308 \| good
2025-07-31T07:00:00.000Z	69 \| moderate	19.246 \| fine	55.969 \| fine	13.044 \| good	0.816 \| good	6.989 \| good	0.225 \| good
2025-07-31T08:00:00.000Z	56 \| moderate	12.294 \| fine	58.808 \| fine	23.244 \| good	0.567 \| good	6.782 \| good	0.225 \| good
2025-07-31T09:00:00.000Z	56 \| moderate	11.79 \| good	38.033 \| good	18.074 \| good	0.709 \| good	6.254 \| good	0.203 \| good
2025-07-31T10:00:00.000Z	56 \| moderate	11.79 \| good	38.033 \| good	18.074 \| good	0.709 \| good	6.254 \| good	0.203 \| good
2025-07-29T23:00:00.000Z	73 \| moderate	20.846 \| fine	91.657 \| fine	29.605 \| good	0.197 \| good	2.351 \| good	0.192 \| good
2025-07-30T00:00:00.000Z	71 \| moderate	19.589 \| fine	86.267 \| fine	31.373 \| good	0.182 \| good	2.823 \| good	0.195 \| good
2025-07-30T01:00:00.000Z	77 \| moderate	23.249 \| fine	101.953 \| fine	27.284 \| good	0.2 \| good	2.732 \| good	0.199 \| good
2025-07-30T02:00:00.000Z	79 \| moderate	24.47 \| fine	106.266 \| fine	25.732 \| good	0.218 \| good	2.641 \| good	0.204 \| good
2025-07-30T03:00:00.000Z	88 \| moderate	28.654 \| fine	124.484 \| fine	22.746 \| good	0.237 \| good	2.55 \| good	0.209 \| good
2025-07-30T04:00:00.000Z	94 \| moderate	31.816 \| fine	137.629 \| fine	22.909 \| good	0.264 \| good	2.718 \| good	0.214 \| good
2025-07-30T05:00:00.000Z	86 \| moderate	28.434 \| fine	123.838 \| fine	21.204 \| good	0.291 \| good	2.887 \| good	0.22 \| good
2025-07-30T06:00:00.000Z	82 \| moderate	26.175 \| fine	114.039 \| fine	19.062 \| good	0.317 \| good	3.055 \| good	0.225 \| good
2025-07-30T07:00:00.000Z	81 \| moderate	24.805 \| fine	108.11 \| fine	14.731 \| good	0.32 \| good	3.432 \| good	0.233 \| good
2025-07-30T08:00:00.000Z	73 \| moderate	20.897 \| fine	91.969 \| fine	12.182 \| good	0.323 \| good	3.81 \| good	0.24 \| good
2025-07-30T09:00:00.000Z	79 \| moderate	24.495 \| fine	106.849 \| fine	11.794 \| good	0.326 \| good	4.187 \| good	0.247 \| good
2025-07-30T10:00:00.000Z	77 \| moderate	22.942 \| fine	100.655 \| fine	11.653 \| good	0.338 \| good	3.874 \| good	0.256 \| good
2025-07-30T11:00:00.000Z	67 \| moderate	17.697 \| fine	78.401 \| fine	15.989 \| good	0.35 \| good	3.561 \| good	0.264 \| good
2025-07-30T12:00:00.000Z	66 \| moderate	17.48 \| fine	77.219 \| fine	22.117 \| good	0.361 \| good	3.249 \| good	0.273 \| good
2025-07-30T13:00:00.000Z	71 \| moderate	19.582 \| fine	86.567 \| fine	23.798 \| good	0.408 \| good	2.653 \| good	0.267 \| good
2025-07-30T14:00:00.000Z	71 \| moderate	20.226 \| fine	89.084 \| fine	27.071 \| good	0.455 \| good	2.057 \| good	0.262 \| good
2025-07-30T15:00:00.000Z	71 \| moderate	20.142 \| fine	88.272 \| fine	31.228 \| good	0.501 \| good	1.462 \| good	0.256 \| good
2025-07-30T16:00:00.000Z	71 \| moderate	19.953 \| fine	87.971 \| fine	35.014 \| good	0.45 \| good	1.338 \| good	0.249 \| good
2025-07-30T17:00:00.000Z	73 \| moderate	20.929 \| fine	91.945 \| fine	38.284 \| good	0.398 \| good	1.215 \| good	0.242 \| good
2025-07-30T18:00:00.000Z	71 \| moderate	20.174 \| fine	88.976 \| fine	36.979 \| good	0.346 \| good	1.092 \| good	0.235 \| good
2025-07-30T19:00:00.000Z	64 \| moderate	15.93 \| fine	71.263 \| fine	36.192 \| good	0.322 \| good	1.434 \| good	0.233 \| good
2025-07-30T20:00:00.000Z	64 \| moderate	15.614 \| fine	69.149 \| fine	34.531 \| good	0.299 \| good	1.775 \| good	0.232 \| good
2025-07-30T21:00:00.000Z	66 \| moderate	16.736 \| fine	74.573 \| fine	33.425 \| good	0.275 \| good	2.117 \| good	0.231 \| good
2025-07-30T22:00:00.000Z	66 \| moderate	16.908 \| fine	74.453 \| fine	30.147 \| good	0.267 \| good	3.273 \| good	0.241 \| good
2025-07-30T23:00:00.000Z	64 \| moderate	16.351 \| fine	72.647 \| fine	29.054 \| good	0.26 \| good	4.429 \| good	0.252 \| good
2025-07-31T00:00:00.000Z	64 \| moderate	16.212 \| fine	71.703 \| fine	26.872 \| good	0.252 \| good	5.585 \| good	0.262 \| good
2025-07-31T01:00:00.000Z	64 \| moderate	15.592 \| fine	69.627 \| fine	26.755 \| good	0.272 \| good	5.733 \| good	0.261 \| good
2025-07-31T02:00:00.000Z	66 \| moderate	17.085 \| fine	76.108 \| fine	20.492 \| good	0.293 \| good	5.881 \| good	0.259 \| good
2025-07-31T03:00:00.000Z	69 \| moderate	19.26 \| fine	85.322 \| fine	19.474 \| good	0.313 \| good	6.029 \| good	0.258 \| good
2025-07-31T04:00:00.000Z	73 \| moderate	20.53 \| fine	89.769 \| fine	19.332 \| good	0.311 \| good	5.184 \| good	0.248 \| good
2025-07-31T05:00:00.000Z	73 \| moderate	21.341 \| fine	93.457 \| fine	20.009 \| good	0.31 \| good	4.339 \| good	0.238 \| good
2025-07-31T06:00:00.000Z	73 \| moderate	21.438 \| fine	93.853 \| fine	19.685 \| good	0.308 \| good	3.494 \| good	0.228 \| good
2025-07-31T07:00:00.000Z	79 \| moderate	24.047 \| fine	105.302 \| fine	18.8 \| good	0.315 \| good	3.021 \| good	0.228 \| good
2025-07-31T08:00:00.000Z	92 \| moderate	31.031 \| fine	134.779 \| fine	19.304 \| good	0.321 \| good	2.547 \| good	0.228 \| good
2025-07-31T09:00:00.000Z	62 \| moderate	14.639 \| fine	65.871 \| fine	16.318 \| good	0.327 \| good	2.074 \| good	0.229 \| good
2025-07-31T10:00:00.000Z	67 \| moderate	18.455 \| fine	81.515 \| fine	14.152 \| good	0.33 \| good	2.242 \| good	0.235 \| good
2025-07-31T11:00:00.000Z	64 \| moderate	16.004 \| fine	71.067 \| fine	16.459 \| good	0.332 \| good	2.41 \| good	0.24 \| good
2025-07-31T12:00:00.000Z	66 \| moderate	16.669 \| fine	74.104 \| fine	18.023 \| good	0.335 \| good	2.578 \| good	0.246 \| good
2025-07-31T13:00:00.000Z	66 \| moderate	16.603 \| fine	73.451 \| fine	17.08 \| good	0.349 \| good	2.255 \| good	0.246 \| good
2025-07-31T14:00:00.000Z	62 \| moderate	15.391 \| fine	69.291 \| fine	17.269 \| good	0.363 \| good	1.932 \| good	0.246 \| good
2025-07-31T15:00:00.000Z	58 \| moderate	13.124 \| fine	59.516 \| fine	18.391 \| good	0.377 \| good	1.609 \| good	0.245 \| good
2025-07-31T16:00:00.000Z	54 \| moderate	11.171 \| good	49.365 \| good	16.609 \| good	0.371 \| good	1.457 \| good	0.244 \| good
2025-07-31T17:00:00.000Z	52 \| moderate	10.248 \| good	45.412 \| good	15.057 \| good	0.365 \| good	1.306 \| good	0.242 \| good
2025-07-31T18:00:00.000Z	54 \| moderate	11.269 \| good	49.584 \| good	15.048 \| good	0.359 \| good	1.155 \| good	0.24 \| good
2025-07-31T19:00:00.000Z	54 \| moderate	10.908 \| good	48.146 \| good	19.722 \| good	0.366 \| good	1.518 \| good	0.245 \| good
2025-07-31T20:00:00.000Z	52 \| moderate	10.075 \| good	44.948 \| good	20.608 \| good	0.373 \| good	1.882 \| good	0.249 \| good
2025-07-31T21:00:00.000Z	49 \| good	9.086 \| good	40.334 \| good	19.499 \| good	0.38 \| good	2.246 \| good	0.254 \| good
2025-07-31T22:00:00.000Z	44 \| good	7.861 \| good	34.664 \| good	17.5 \| good	0.383 \| good	2.784 \| good	0.258 \| good

Biddeford, Maine live air quality index now

Major air pollutants in Biddeford, Maine

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Biddeford, Maine air quality map: Track AQI near you

Air quality in nearby cities

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Frequently asked questions

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What is the current concentration of PM2.5 in Biddeford, Maine?

What is the current concentration of PM10 in Biddeford, Maine?

What is the current concentration of carbon monoxide (CO) in Biddeford, Maine?

What is the current concentration of sulfur dioxide (SO2) in Biddeford, Maine?

What is the current concentration of ozone (O3) in Biddeford, Maine?

What is the current concentration of nitrogen dioxide (NO2) in Biddeford, Maine?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Biddeford, Maine?

What is the current concentration of PM₁₀ in Biddeford, Maine?

What is the current concentration of sulfur dioxide (SO₂) in Biddeford, Maine?

What is the current concentration of ozone (O₃) in Biddeford, Maine?

What is the current concentration of nitrogen dioxide (NO₂) in Biddeford, Maine?