What is the PM10 level in Lewiston, Maine at the moment?

The PM10 concentration in Lewiston, Maine is 10.198 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Lewiston, Maine at the moment?

Currently, Lewiston, Maine has a sulfur dioxide (SO2) concentration of 0.407 ppb.

What is the ozone (O3) level in Lewiston, Maine at the moment?

The current ozone (O3) level in Lewiston, Maine at the moment is 42.149 ppm.

What is the nitrogen dioxide (NO2) level in Lewiston, Maine at the moment?

Nitrogen dioxide (NO2) level in Lewiston, Maine at the moment is 10.484 ppb.

Live air quality index in Lewiston, Maine today

Q: What is the PM2.5 level in Lewiston, Maine at the moment?

PM2.5 levels in Lewiston, Maine are currently 4.8 μg/m3.

Stay updated with real-time air quality in Lewiston, 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)

Good

Lewiston, Maine

Last updated: ... (Local time)

Major air pollutants in Lewiston, Maine

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.90 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.12 μg/m³

155

255

425

605+

Ozone (O₃)

44.60 ppb

201

201+

Sulfur Dioxide (SO₂)

0.39 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.79 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Lewiston, Maine

Scroll To Air Quality Map

Track live Lewiston, Maine air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-28T00:00:00.000Z	40 \| good	2.314 \| good	12.98 \| good	43.327 \| good	0.55 \| good	3.072 \| good	0.166 \| good
2026-03-28T01:00:00.000Z	40 \| good	2.118 \| good	12.012 \| good	42.809 \| good	0.471 \| good	3.174 \| good	0.166 \| good
2026-03-28T02:00:00.000Z	39 \| good	1.523 \| good	12.013 \| good	42.007 \| good	0.588 \| good	3.726 \| good	0.166 \| good
2026-03-28T03:00:00.000Z	36 \| good	1.536 \| good	12.098 \| good	38.892 \| good	0.509 \| good	3.625 \| good	0.183 \| good
2026-03-28T04:00:00.000Z	37 \| good	3.309 \| good	12.01 \| good	39.811 \| good	0.48 \| good	2.003 \| good	0.217 \| good
2026-03-28T05:00:00.000Z	37 \| good	4.098 \| good	12.978 \| good	40.098 \| good	0.374 \| good	2.388 \| good	0.183 \| good
2026-03-28T06:00:00.000Z	36 \| good	4.495 \| good	11.016 \| good	38.874 \| good	0.374 \| good	2.556 \| good	0.183 \| good
2026-03-28T07:00:00.000Z	36 \| good	4.494 \| good	10.979 \| good	38.952 \| good	0.518 \| good	2.579 \| good	0.166 \| good
2026-03-28T08:00:00.000Z	33 \| good	5.088 \| good	9.975 \| good	35.814 \| good	0.495 \| good	1.713 \| good	0.166 \| good
2026-03-28T09:00:00.000Z	32 \| good	4.991 \| good	10.989 \| good	34.546 \| good	0.427 \| good	2.486 \| good	0.166 \| good
2026-03-28T10:00:00.000Z	31 \| good	4.991 \| good	12.105 \| good	34.223 \| good	0.471 \| good	2.645 \| good	0.166 \| good
2026-03-28T11:00:00.000Z	33 \| good	5.976 \| good	14.07 \| good	34.265 \| good	0.491 \| good	3.302 \| good	0.183 \| good
2026-03-28T12:00:00.000Z	33 \| good	5.984 \| good	14.046 \| good	35.602 \| good	0.444 \| good	3.14 \| good	0.183 \| good
2026-03-28T13:00:00.000Z	33 \| good	5.982 \| good	13.156 \| good	33.733 \| good	0.274 \| good	1.964 \| good	0.183 \| good
2026-03-28T14:00:00.000Z	31 \| good	5.29 \| good	10.147 \| good	33.921 \| good	0.543 \| good	1.231 \| good	0.166 \| good
2026-03-28T15:00:00.000Z	33 \| good	5.092 \| good	10.009 \| good	36.182 \| good	0.543 \| good	1.352 \| good	0.166 \| good
2026-03-28T16:00:00.000Z	34 \| good	5.486 \| good	10.039 \| good	37.178 \| good	0.522 \| good	1.526 \| good	0.166 \| good
2026-03-28T17:00:00.000Z	37 \| good	5.683 \| good	10.03 \| good	39.634 \| good	0.542 \| good	1.303 \| good	0.166 \| good
2026-03-28T18:00:00.000Z	37 \| good	3.806 \| good	9.043 \| good	39.862 \| good	0.559 \| good	1.171 \| good	0.166 \| good
2026-03-28T19:00:00.000Z	36 \| good	3.905 \| good	9.005 \| good	39.441 \| good	0.571 \| good	2.449 \| good	0.166 \| good
2026-03-28T20:00:00.000Z	36 \| good	3.905 \| good	9.142 \| good	39.414 \| good	0.39 \| good	7.208 \| good	0.166 \| good
2026-03-28T21:00:00.000Z	36 \| good	2.424 \| good	8.072 \| good	38.957 \| good	0.39 \| good	7.393 \| good	0.166 \| good
2026-03-28T22:00:00.000Z	35 \| good	1.258 \| good	8.136 \| good	38.318 \| good	0.423 \| good	11.867 \| good	0.166 \| good
2026-03-28T23:00:00.000Z	38 \| good	1.172 \| good	7.164 \| good	41.425 \| good	0.422 \| good	14.414 \| good	0.183 \| good
2026-03-29T00:00:00.000Z	33 \| good	3.042 \| good	10.11 \| good	36.388 \| good	0.558 \| good	7.787 \| good	0.183 \| good
2026-03-29T01:00:00.000Z	35 \| good	3.514 \| good	12.968 \| good	37.561 \| good	0.553 \| good	5.64 \| good	0.2 \| good
2026-03-29T02:00:00.000Z	36 \| good	3.724 \| good	11.073 \| good	38.555 \| good	0.588 \| good	5.81 \| good	0.183 \| good
2026-03-29T03:00:00.000Z	26 \| good	3.066 \| good	12.086 \| good	27.792 \| good	0.449 \| good	4.317 \| good	0.229 \| good
2026-03-29T04:00:00.000Z	33 \| good	6.392 \| good	14.01 \| good	35.199 \| good	0.58 \| good	5.615 \| good	0.2 \| good
2026-03-29T05:00:00.000Z	33 \| good	5.712 \| good	14.003 \| good	34.9 \| good	0.566 \| good	5.522 \| good	0.183 \| good
2026-03-29T06:00:00.000Z	33 \| good	5.717 \| good	14.03 \| good	34.679 \| good	0.566 \| good	7.359 \| good	0.183 \| good
2026-03-29T07:00:00.000Z	33 \| good	5.817 \| good	14.009 \| good	33.665 \| good	0.566 \| good	6.831 \| good	0.183 \| good
2026-03-29T08:00:00.000Z	38 \| good	6.895 \| good	11.043 \| good	27.664 \| good	0.536 \| good	8.179 \| good	0.183 \| good
2026-03-29T09:00:00.000Z	33 \| good	6.401 \| good	11.989 \| good	28.158 \| good	0.537 \| good	6.195 \| good	0.183 \| good
2026-03-29T10:00:00.000Z	38 \| good	6.687 \| good	13.008 \| good	24.639 \| good	0.564 \| good	8.569 \| good	0.164 \| good
2026-03-29T11:00:00.000Z	38 \| good	6.791 \| good	14.123 \| good	28.566 \| good	0.594 \| good	7.324 \| good	0.164 \| good
2026-03-29T12:00:00.000Z	33 \| good	6.387 \| good	12.983 \| good	24.122 \| good	0.571 \| good	8.431 \| good	0.181 \| good
2026-03-29T13:00:00.000Z	33 \| good	6.387 \| good	12.992 \| good	30.027 \| good	0.571 \| good	7.639 \| good	0.2 \| good
2026-03-29T14:00:00.000Z	33 \| good	4.794 \| good	9.011 \| good	35.902 \| good	0.556 \| good	2.452 \| good	0.166 \| good
2026-03-29T15:00:00.000Z	34 \| good	3.909 \| good	8.033 \| good	37.157 \| good	0.565 \| good	2.786 \| good	0.166 \| good
2026-03-29T16:00:00.000Z	35 \| good	3.905 \| good	7.106 \| good	37.79 \| good	0.609 \| good	4.185 \| good	0.166 \| good
2026-03-29T17:00:00.000Z	39 \| good	5.869 \| good	7.17 \| good	41.552 \| good	0.604 \| good	3.902 \| good	0.166 \| good
2026-03-29T18:00:00.000Z	39 \| good	5.391 \| good	7.044 \| good	41.627 \| good	0.583 \| good	6.49 \| good	0.166 \| good
2026-03-29T19:00:00.000Z	40 \| good	4.203 \| good	7.047 \| good	42.959 \| good	0.364 \| good	8.874 \| good	0.166 \| good
2026-03-29T20:00:00.000Z	38 \| good	3.616 \| good	10.077 \| good	40.641 \| good	0.408 \| good	10.275 \| good	0.166 \| good
2026-03-29T21:00:00.000Z	39 \| good	4.8 \| good	10.198 \| good	42.149 \| good	0.407 \| good	10.484 \| good	0.166 \| good
2026-03-29T22:00:00.000Z	42 \| good	4.899 \| good	9.116 \| good	44.599 \| good	0.392 \| good	10.792 \| good	0.183 \| good
2026-03-29T23:00:00.000Z	37 \| good	3.918 \| good	10.112 \| good	39.999 \| good	0.407 \| good	16.755 \| good	0.183 \| good
2026-03-29T23:00:00.000Z	42 \| good	4.899 \| good	9.116 \| good	44.599 \| good	0.392 \| good	10.792 \| good	0.183 \| good
2026-03-29T23:00:00.000Z	30 \| good	4.097 \| good	17.855 \| good	31.582 \| good	0.396 \| good	4.016 \| good	0.177 \| good
2026-03-30T00:00:00.000Z	29 \| good	4.974 \| good	21.701 \| good	30.832 \| good	0.445 \| good	5.21 \| good	0.19 \| good
2026-03-30T01:00:00.000Z	30 \| good	2.746 \| good	11.079 \| good	32.35 \| good	0.506 \| good	5.148 \| good	0.189 \| good
2026-03-30T02:00:00.000Z	31 \| good	1.97 \| good	8.085 \| good	33.981 \| good	0.568 \| good	5.087 \| good	0.187 \| good
2026-03-30T03:00:00.000Z	30 \| good	1.407 \| good	5.248 \| good	32.307 \| good	0.629 \| good	5.026 \| good	0.186 \| good
2026-03-30T04:00:00.000Z	26 \| good	3.631 \| good	15.824 \| good	28.469 \| good	0.815 \| good	4.914 \| good	0.187 \| good
2026-03-30T05:00:00.000Z	26 \| good	2.925 \| good	11.88 \| good	28.04 \| good	1.001 \| good	4.801 \| good	0.189 \| good
2026-03-30T06:00:00.000Z	23 \| good	2.03 \| good	8.104 \| good	25.461 \| good	1.187 \| good	4.689 \| good	0.19 \| good
2026-03-30T07:00:00.000Z	38 \| good	7.216 \| good	31.961 \| good	18.18 \| good	1.292 \| good	4.392 \| good	0.192 \| good
2026-03-30T08:00:00.000Z	38 \| good	6.873 \| good	30.24 \| good	21.153 \| good	1.397 \| good	4.096 \| good	0.193 \| good
2026-03-30T09:00:00.000Z	38 \| good	7.328 \| good	32.167 \| good	20.956 \| good	1.502 \| good	3.8 \| good	0.194 \| good
2026-03-30T10:00:00.000Z	49 \| good	9.205 \| good	41 \| good	17.779 \| good	1.371 \| good	4.12 \| good	0.191 \| good
2026-03-30T11:00:00.000Z	56 \| moderate	11.679 \| good	51.735 \| good	16.254 \| good	1.241 \| good	4.44 \| good	0.188 \| good
2026-03-30T12:00:00.000Z	58 \| moderate	13.351 \| fine	60.519 \| fine	20.619 \| good	1.111 \| good	4.76 \| good	0.185 \| good
2026-03-30T13:00:00.000Z	60 \| moderate	14.425 \| fine	64.585 \| fine	27.378 \| good	1.192 \| good	4.264 \| good	0.183 \| good
2026-03-30T14:00:00.000Z	56 \| moderate	12.112 \| fine	54.632 \| good	34.236 \| good	1.273 \| good	3.767 \| good	0.181 \| good
2026-03-30T15:00:00.000Z	38 \| good	6.726 \| good	30.029 \| good	38.392 \| good	1.354 \| good	3.271 \| good	0.179 \| good
2026-03-30T16:00:00.000Z	44 \| good	7.964 \| good	35.069 \| good	42.327 \| good	1.426 \| good	2.802 \| good	0.176 \| good
2026-03-30T17:00:00.000Z	49 \| good	9.267 \| good	41.067 \| good	43.551 \| good	1.498 \| good	2.332 \| good	0.173 \| good
2026-03-30T18:00:00.000Z	49 \| good	9.387 \| good	42.057 \| good	45.611 \| good	1.571 \| good	1.863 \| good	0.17 \| good
2026-03-30T19:00:00.000Z	44 \| good	7.62 \| good	34.016 \| good	44.239 \| good	1.472 \| good	1.831 \| good	0.168 \| good
2026-03-30T20:00:00.000Z	39 \| good	6.51 \| good	29.056 \| good	42.116 \| good	1.374 \| good	1.8 \| good	0.166 \| good
2026-03-30T21:00:00.000Z	49 \| good	9.295 \| good	41.11 \| good	43.645 \| good	1.276 \| good	1.768 \| good	0.164 \| good
2026-03-30T22:00:00.000Z	52 \| moderate	10.391 \| good	45.938 \| good	41.117 \| good	1.189 \| good	2.209 \| good	0.167 \| good
2026-03-30T23:00:00.000Z	33 \| good	5.634 \| good	24.186 \| good	34.975 \| good	1.102 \| good	2.649 \| good	0.171 \| good
2026-03-31T00:00:00.000Z	38 \| good	7.329 \| good	32.155 \| good	36.404 \| good	1.015 \| good	3.09 \| good	0.174 \| good
2026-03-31T01:00:00.000Z	33 \| good	6.388 \| good	28.224 \| good	35.305 \| good	0.967 \| good	2.974 \| good	0.174 \| good
2026-03-31T02:00:00.000Z	33 \| good	6.084 \| good	27.113 \| good	33.317 \| good	0.919 \| good	2.858 \| good	0.173 \| good
2026-03-31T03:00:00.000Z	31 \| good	3.787 \| good	16.338 \| good	34.19 \| good	0.872 \| good	2.742 \| good	0.173 \| good
2026-03-31T04:00:00.000Z	29 \| good	5.16 \| good	22.207 \| good	30.843 \| good	0.85 \| good	2.764 \| good	0.174 \| good
2026-03-31T05:00:00.000Z	33 \| good	6.014 \| good	27.07 \| good	26.905 \| good	0.828 \| good	2.786 \| good	0.175 \| good
2026-03-31T06:00:00.000Z	54 \| moderate	10.81 \| good	12.877 \| good	41.915 \| good	0.805 \| good	2.801 \| good	0.175 \| good
2026-03-31T07:00:00.000Z	38 \| good	6.987 \| good	30.931 \| good	32.518 \| good	0.795 \| good	2.751 \| good	0.175 \| good
2026-03-31T08:00:00.000Z	31 \| good	2.091 \| good	8.381 \| good	33.02 \| good	0.782 \| good	2.695 \| good	0.176 \| good
2026-03-31T09:00:00.000Z	29 \| good	1.744 \| good	7.31 \| good	30.712 \| good	0.77 \| good	2.639 \| good	0.176 \| good
2026-03-31T10:00:00.000Z	49 \| good	8.947 \| good	39.437 \| good	12.984 \| good	0.769 \| good	2.708 \| good	0.179 \| good
2026-03-31T11:00:00.000Z	54 \| moderate	10.916 \| good	48.287 \| good	11.388 \| good	0.769 \| good	2.776 \| good	0.182 \| good
2026-03-31T12:00:00.000Z	62 \| moderate	14.734 \| fine	16.172 \| good	39.998 \| good	0.77 \| good	2.845 \| good	0.185 \| good
2026-03-31T13:00:00.000Z	60 \| moderate	13.895 \| fine	15.139 \| good	40.107 \| good	0.691 \| good	2.825 \| good	0.184 \| good
2026-03-31T14:00:00.000Z	56 \| moderate	12.486 \| fine	13.57 \| good	40.216 \| good	0.611 \| good	2.805 \| good	0.184 \| good
2026-03-31T15:00:00.000Z	54 \| moderate	11.255 \| good	12.265 \| good	40.324 \| good	0.532 \| good	2.784 \| good	0.184 \| good
2026-03-31T16:00:00.000Z	54 \| moderate	10.547 \| good	11.531 \| good	40.959 \| good	0.468 \| good	2.51 \| good	0.181 \| good
2026-03-31T17:00:00.000Z	36 \| good	4.103 \| good	18.05 \| good	39.068 \| good	0.402 \| good	2.228 \| good	0.178 \| good
2026-03-31T18:00:00.000Z	39 \| good	5.363 \| good	5.958 \| good	42.229 \| good	0.34 \| good	1.961 \| good	0.175 \| good
2026-03-31T19:00:00.000Z	39 \| good	3.867 \| good	4.367 \| good	42.451 \| good	0.313 \| good	1.992 \| good	0.174 \| good
2026-03-31T20:00:00.000Z	40 \| good	3.371 \| good	3.843 \| good	42.672 \| good	0.286 \| good	2.022 \| good	0.173 \| good
2026-03-31T21:00:00.000Z	40 \| good	3.385 \| good	3.863 \| good	42.893 \| good	0.259 \| good	2.053 \| good	0.171 \| good
2026-03-31T22:00:00.000Z	39 \| good	3.471 \| good	3.932 \| good	42.203 \| good	0.281 \| good	2.342 \| good	0.174 \| good

Lewiston

Get reliable air quality data to drive your business

Lewiston, Maine air quality map: Stay updated on AQI near you

0.18ppm

How accurate is Maine, USA air quality data?

Air quality and pollutant data for Maine, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

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Frequently asked questions

How often is air quality information updated for Lewiston, Maine?

The air quality information for Lewiston, Maine is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Lewiston, Maine at its worst?

In the past 24 hours, the air quality in Lewiston, Maine was at its worst at 07:00:00 on 2026-03-29.

When did Lewiston, Maine experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Lewiston, Maine was observed at 03:00:00 on 2026-03-29.

What is the AQI in Lewiston, Maine right now?

As of now, the AQI in Lewiston, Maine is 39, indicating Good conditions.

What is the most common type of pollution in Lewiston, Maine?

Lewiston, Maine air has the highest levels of O3.

What should I do in case of poor air quality in Lewiston, Maine?

Poor air quality in Lewiston, Maine means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Lewiston, Maine at the moment?

PM_2.5 levels in Lewiston, Maine are currently 4.8 μg/m³.

What is the PM₁₀ level in Lewiston, Maine at the moment?

The PM₁₀ concentration in Lewiston, Maine is 10.198 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Lewiston, Maine at the moment?

The current carbon monoxide (CO) concentration in Lewiston, Maine is 0.166 ppm.

What is the sulfur dioxide (SO₂) level in Lewiston, Maine at the moment?

Currently, Lewiston, Maine has a sulfur dioxide (SO₂) concentration of 0.407 ppb.

What is the ozone (O₃) level in Lewiston, Maine at the moment?

The current ozone (O₃) level in Lewiston, Maine at the moment is 42.149 ppm.

What is the nitrogen dioxide (NO₂) level in Lewiston, Maine at the moment?

Nitrogen dioxide (NO₂) level in Lewiston, Maine at the moment is 10.484 ppb.

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