What is the current concentration of PM10 in Fairfield, Connecticut?

The current PM10 concentration at Fairfield, Connecticut is 25.661 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Fairfield, Connecticut?

The current sulfur dioxide (SO2) concentration at Fairfield, Connecticut is 0.51 ppb.

What is the current concentration of ozone (O3) in Fairfield, Connecticut?

The current ozone (O3) concentration at Fairfield, Connecticut is 17.542 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Fairfield, Connecticut?

The current nitrogen dioxide (NO2) concentration at Fairfield, Connecticut is 8.839 ppb.

Live air quality index in Fairfield, Connecticut today

Name: Live air pollution levels in Fairfield, Connecticut today
Creator: Ambee

Stay updated with real-time air quality in Fairfield, Connecticut 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

Fairfield, Connecticut

Last updated: ... (Local time)

Major air pollutants in Fairfield, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.43 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.66 μg/m³

155

255

425

605+

Ozone (O₃)

17.54 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.84 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 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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Fairfield, Connecticut

Scroll To Air Quality Map

Track live Fairfield, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T12:00:00.000Z	62 \| moderate	14.904 \| fine	34.264 \| good	20.224 \| good	0.984 \| good	19.972 \| good	0.445 \| good
2025-06-05T13:00:00.000Z	62 \| moderate	14.952 \| fine	36.788 \| good	12.52 \| good	0.675 \| good	21.375 \| good	0.451 \| good
2025-06-05T14:00:00.000Z	62 \| moderate	15.24 \| fine	41.195 \| good	26.74 \| good	0.603 \| good	23.218 \| good	0.385 \| good
2025-06-05T15:00:00.000Z	64 \| moderate	15.708 \| fine	43.165 \| good	34.713 \| good	0.693 \| good	24.503 \| good	0.42 \| good
2025-06-05T16:00:00.000Z	64 \| moderate	16.396 \| fine	47.166 \| good	39.197 \| good	0.722 \| good	23.846 \| good	0.448 \| good
2025-06-05T17:00:00.000Z	71 \| moderate	17.735 \| fine	49.742 \| good	60.692 \| fine	0.584 \| good	25.523 \| good	0.415 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	19.378 \| fine	46.183 \| good	53.279 \| good	0.505 \| good	20.5 \| good	0.384 \| good
2025-06-05T19:00:00.000Z	93 \| moderate	19.413 \| fine	39.872 \| good	68.001 \| fine	0.693 \| good	15.22 \| good	0.398 \| good
2025-06-05T20:00:00.000Z	133 \| sensitive	19.967 \| fine	54.721 \| good	79.75 \| moderate	0.746 \| good	16.481 \| good	0.462 \| good
2025-06-05T21:00:00.000Z	129 \| sensitive	19.14 \| fine	47.589 \| good	78.887 \| moderate	0.564 \| good	12.507 \| good	0.418 \| good
2025-06-05T22:00:00.000Z	129 \| sensitive	18.223 \| fine	39.476 \| good	78.604 \| moderate	0.545 \| good	5.334 \| good	0.417 \| good
2025-06-05T23:00:00.000Z	122 \| sensitive	17.326 \| fine	37.862 \| good	76.797 \| moderate	0.529 \| good	5.423 \| good	0.386 \| good
2025-06-06T00:00:00.000Z	112 \| sensitive	17.022 \| fine	49.489 \| good	73.716 \| moderate	0.432 \| good	9.98 \| good	0.431 \| good
2025-06-06T01:00:00.000Z	97 \| moderate	15.617 \| fine	46.849 \| good	69.238 \| fine	0.544 \| good	8.081 \| good	0.369 \| good
2025-06-06T02:00:00.000Z	64 \| moderate	15.012 \| fine	42.143 \| good	59.207 \| fine	2.175 \| good	6.13 \| good	0.339 \| good
2025-06-06T03:00:00.000Z	62 \| moderate	15.036 \| fine	46.499 \| good	55.44 \| fine	1.391 \| good	6.845 \| good	0.339 \| good
2025-06-06T04:00:00.000Z	62 \| moderate	15.096 \| fine	36.974 \| good	53.94 \| good	0.661 \| good	9.875 \| good	0.29 \| good
2025-06-06T05:00:00.000Z	60 \| moderate	13.645 \| fine	38.777 \| good	44.643 \| good	0.348 \| good	7.504 \| good	0.274 \| good
2025-06-06T06:00:00.000Z	60 \| moderate	13.688 \| fine	37.072 \| good	36.816 \| good	0.279 \| good	21.254 \| good	0.239 \| good
2025-06-06T07:00:00.000Z	62 \| moderate	15.059 \| fine	44.512 \| good	35.841 \| good	0.36 \| good	21.532 \| good	0.223 \| good
2025-06-06T08:00:00.000Z	60 \| moderate	14.006 \| fine	42.145 \| good	27.108 \| good	0.334 \| good	18.268 \| good	0.223 \| good
2025-06-06T09:00:00.000Z	62 \| moderate	15.216 \| fine	43.866 \| good	26.477 \| good	0.444 \| good	17.294 \| good	0.223 \| good
2025-06-06T10:00:00.000Z	64 \| moderate	15.857 \| fine	43.166 \| good	18.446 \| good	0.437 \| good	19.229 \| good	0.223 \| good
2025-06-06T11:00:00.000Z	64 \| moderate	16.5 \| fine	36.494 \| good	21.774 \| good	0.324 \| good	15.136 \| good	0.318 \| good
2025-06-06T12:00:00.000Z	64 \| moderate	16.478 \| fine	41.027 \| good	18.186 \| good	0.36 \| good	15.724 \| good	0.386 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	16.619 \| fine	40.583 \| good	22.729 \| good	0.598 \| good	17.16 \| good	0.34 \| good
2025-06-06T14:00:00.000Z	66 \| moderate	17.235 \| fine	46.331 \| good	32.772 \| good	0.273 \| good	15.337 \| good	0.32 \| good
2025-06-06T15:00:00.000Z	67 \| moderate	17.67 \| fine	47.998 \| good	31.969 \| good	0.344 \| good	10.242 \| good	0.367 \| good
2025-06-06T16:00:00.000Z	69 \| moderate	19.126 \| fine	42.846 \| good	40.203 \| good	0.357 \| good	6.941 \| good	0.37 \| good
2025-06-06T17:00:00.000Z	71 \| moderate	19.569 \| fine	46.226 \| good	48.826 \| good	0.36 \| good	5.915 \| good	0.385 \| good
2025-06-06T18:00:00.000Z	71 \| moderate	19.296 \| fine	42.549 \| good	60.609 \| fine	0.34 \| good	6.369 \| good	0.385 \| good
2025-06-06T19:00:00.000Z	93 \| moderate	18.782 \| fine	48.462 \| good	67.867 \| fine	0.361 \| good	5.476 \| good	0.354 \| good
2025-06-06T20:00:00.000Z	100 \| moderate	17.96 \| fine	45.922 \| good	69.725 \| fine	0.351 \| good	5.14 \| good	0.339 \| good
2025-06-06T21:00:00.000Z	112 \| sensitive	17.215 \| fine	44.152 \| good	73.973 \| moderate	0.354 \| good	6.631 \| good	0.369 \| good
2025-06-06T22:00:00.000Z	100 \| moderate	15.543 \| fine	38.444 \| good	70.086 \| fine	0.263 \| good	4.474 \| good	0.348 \| good
2025-06-06T23:00:00.000Z	61 \| moderate	13.931 \| fine	40.901 \| good	57.67 \| fine	0.278 \| good	9.6 \| good	0.348 \| good
2025-06-07T00:00:00.000Z	58 \| moderate	12.99 \| fine	30.547 \| good	56.018 \| fine	0.247 \| good	11.684 \| good	0.305 \| good
2025-06-07T01:00:00.000Z	56 \| moderate	11.804 \| good	29.745 \| good	46.976 \| good	0.162 \| good	4.011 \| good	0.269 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	11.639 \| good	26.88 \| good	41.57 \| good	0.588 \| good	3.619 \| good	0.27 \| good
2025-06-07T03:00:00.000Z	54 \| moderate	11.092 \| good	27.512 \| good	34.131 \| good	0.618 \| good	5.409 \| good	0.242 \| good
2025-06-07T04:00:00.000Z	54 \| moderate	10.691 \| good	26.81 \| good	31.531 \| good	0.627 \| good	7.478 \| good	0.239 \| good
2025-06-07T05:00:00.000Z	52 \| moderate	10.32 \| good	24.686 \| good	32.995 \| good	0.896 \| good	5.087 \| good	0.367 \| good
2025-06-07T06:00:00.000Z	52 \| moderate	10.106 \| good	23.22 \| good	29.122 \| good	0.863 \| good	6.33 \| good	0.348 \| good
2025-06-07T07:00:00.000Z	52 \| moderate	9.713 \| good	24.652 \| good	34.098 \| good	0.551 \| good	7.483 \| good	0.332 \| good
2025-06-07T08:00:00.000Z	52 \| moderate	9.919 \| good	24.826 \| good	18.334 \| good	0.61 \| good	7.957 \| good	0.353 \| good
2025-06-07T09:00:00.000Z	52 \| moderate	9.85 \| good	25.686 \| good	20.788 \| good	0.58 \| good	10.455 \| good	0.312 \| good
2025-06-07T10:00:00.000Z	49 \| good	9.431 \| good	25.661 \| good	17.542 \| good	0.51 \| good	8.839 \| good	0.241 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.308 \| good	29.784 \| good	17.341 \| good	0.453 \| good	8.355 \| good	0.314 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.431 \| good	25.661 \| good	17.542 \| good	0.51 \| good	8.839 \| good	0.241 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.898 \| good	44.087 \| good	27.037 \| good	0.63 \| good	4.411 \| good	0.148 \| good
2025-06-07T13:00:00.000Z	52 \| moderate	9.779 \| good	43.651 \| good	31.538 \| good	1.509 \| good	7.618 \| good	0.16 \| good
2025-06-07T14:00:00.000Z	52 \| moderate	10.408 \| good	46.133 \| good	32.133 \| good	1.189 \| good	6.516 \| good	0.154 \| good
2025-06-07T15:00:00.000Z	49 \| good	9.454 \| good	42.318 \| good	35.535 \| good	0.869 \| good	5.413 \| good	0.149 \| good
2025-06-07T16:00:00.000Z	44 \| good	8.183 \| good	35.982 \| good	41.498 \| good	1.434 \| good	5.065 \| good	0.185 \| good
2025-06-07T17:00:00.000Z	52 \| moderate	9.95 \| good	44.14 \| good	46.98 \| good	1.274 \| good	4.705 \| good	0.178 \| good
2025-06-07T18:00:00.000Z	49 \| good	9.134 \| good	40.445 \| good	52.355 \| good	1.115 \| good	4.345 \| good	0.17 \| good
2025-06-07T19:00:00.000Z	64 \| moderate	8.287 \| good	36.926 \| good	58.935 \| fine	0.812 \| good	4.06 \| good	0.204 \| good
2025-06-07T20:00:00.000Z	58 \| moderate	6.214 \| good	27.309 \| good	56.864 \| fine	0.753 \| good	3.707 \| good	0.198 \| good
2025-06-07T21:00:00.000Z	56 \| moderate	11.608 \| good	51.834 \| good	49.962 \| good	0.695 \| good	3.354 \| good	0.191 \| good
2025-06-07T22:00:00.000Z	64 \| moderate	16.252 \| fine	72.056 \| fine	49.418 \| good	0.592 \| good	6.428 \| good	0.238 \| good
2025-06-07T23:00:00.000Z	69 \| moderate	18.923 \| fine	83.642 \| fine	45.087 \| good	0.586 \| good	5.793 \| good	0.23 \| good
2025-06-08T00:00:00.000Z	62 \| moderate	14.844 \| fine	66.562 \| fine	41.57 \| good	0.581 \| good	5.158 \| good	0.221 \| good
2025-06-08T01:00:00.000Z	62 \| moderate	14.889 \| fine	66.495 \| fine	36.849 \| good	0.625 \| good	8.941 \| good	0.273 \| good
2025-06-08T02:00:00.000Z	62 \| moderate	15.414 \| fine	68.668 \| fine	33.536 \| good	0.576 \| good	8.038 \| good	0.265 \| good
2025-06-08T03:00:00.000Z	64 \| moderate	15.756 \| fine	69.796 \| fine	29.989 \| good	0.527 \| good	7.136 \| good	0.258 \| good
2025-06-08T04:00:00.000Z	64 \| moderate	15.854 \| fine	70.806 \| fine	29.277 \| good	0.571 \| good	5.163 \| good	0.27 \| good
2025-06-08T05:00:00.000Z	62 \| moderate	14.988 \| fine	67.049 \| fine	26.443 \| good	0.55 \| good	4.856 \| good	0.267 \| good
2025-06-08T06:00:00.000Z	60 \| moderate	14.024 \| fine	63.177 \| fine	22.687 \| good	0.529 \| good	4.549 \| good	0.264 \| good
2025-06-08T07:00:00.000Z	54 \| moderate	11.209 \| good	49.408 \| good	16.756 \| good	0.675 \| good	3.187 \| good	0.29 \| good
2025-06-08T08:00:00.000Z	49 \| good	9.296 \| good	41.238 \| good	12.032 \| good	0.609 \| good	2.923 \| good	0.282 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	10.484 \| good	46.284 \| good	10.287 \| good	0.543 \| good	2.66 \| good	0.275 \| good
2025-06-08T10:00:00.000Z	54 \| moderate	11.171 \| good	49.556 \| good	10.696 \| good	0.608 \| good	3.013 \| good	0.291 \| good
2025-06-08T11:00:00.000Z	58 \| moderate	12.917 \| fine	57.979 \| fine	12.6 \| good	0.528 \| good	2.967 \| good	0.276 \| good
2025-06-08T12:00:00.000Z	66 \| moderate	17.342 \| fine	76.699 \| fine	19.715 \| good	0.448 \| good	2.922 \| good	0.261 \| good
2025-06-08T13:00:00.000Z	69 \| moderate	18.677 \| fine	82.484 \| fine	23.996 \| good	0.394 \| good	2.936 \| good	0.236 \| good
2025-06-08T14:00:00.000Z	69 \| moderate	19.437 \| fine	85.936 \| fine	32.047 \| good	0.37 \| good	2.85 \| good	0.223 \| good
2025-06-08T15:00:00.000Z	69 \| moderate	18.962 \| fine	83.868 \| fine	39.265 \| good	0.346 \| good	2.765 \| good	0.211 \| good
2025-06-08T16:00:00.000Z	64 \| moderate	15.924 \| fine	70.771 \| fine	44.182 \| good	0.362 \| good	2.352 \| good	0.22 \| good
2025-06-08T17:00:00.000Z	62 \| moderate	15.06 \| fine	67.142 \| fine	51.627 \| good	0.329 \| good	2.15 \| good	0.212 \| good
2025-06-08T18:00:00.000Z	64 \| moderate	15.8 \| fine	70.245 \| fine	56.749 \| fine	0.295 \| good	1.948 \| good	0.204 \| good
2025-06-08T19:00:00.000Z	67 \| moderate	14.657 \| fine	65.631 \| fine	59.544 \| fine	0.449 \| good	2.712 \| good	0.216 \| good
2025-06-08T20:00:00.000Z	61 \| moderate	13.654 \| fine	61.936 \| fine	58.171 \| fine	0.398 \| good	2.396 \| good	0.208 \| good
2025-06-08T21:00:00.000Z	56 \| moderate	12.383 \| fine	55.991 \| fine	53.869 \| good	0.347 \| good	2.08 \| good	0.2 \| good
2025-06-08T22:00:00.000Z	58 \| moderate	12.947 \| fine	58.1 \| fine	53.081 \| good	0.588 \| good	6.884 \| good	0.243 \| good
2025-06-08T23:00:00.000Z	54 \| moderate	11.449 \| good	50.509 \| good	47.991 \| good	0.522 \| good	6.18 \| good	0.233 \| good
2025-06-09T00:00:00.000Z	54 \| moderate	11.499 \| good	51.241 \| good	44.528 \| good	0.457 \| good	5.476 \| good	0.223 \| good
2025-06-09T01:00:00.000Z	56 \| moderate	11.709 \| good	51.934 \| good	44.283 \| good	0.859 \| good	8.768 \| good	0.231 \| good
2025-06-09T02:00:00.000Z	56 \| moderate	11.712 \| good	52.083 \| good	44.604 \| good	0.731 \| good	7.943 \| good	0.231 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	10.458 \| good	46.381 \| good	44.868 \| good	0.602 \| good	7.118 \| good	0.231 \| good
2025-06-09T04:00:00.000Z	49 \| good	9.308 \| good	41.694 \| good	40.252 \| good	1.071 \| good	10.731 \| good	0.24 \| good
2025-06-09T05:00:00.000Z	49 \| good	9.333 \| good	41.648 \| good	37.491 \| good	0.889 \| good	9.954 \| good	0.245 \| good
2025-06-09T06:00:00.000Z	49 \| good	9.396 \| good	10.127 \| good	30.476 \| good	0.693 \| good	9.15 \| good	0.25 \| good
2025-06-09T07:00:00.000Z	49 \| good	8.696 \| good	38.088 \| good	32.632 \| good	1.153 \| good	11.24 \| good	0.254 \| good
2025-06-09T08:00:00.000Z	44 \| good	7.677 \| good	33.646 \| good	30.023 \| good	0.935 \| good	10.183 \| good	0.26 \| good
2025-06-09T09:00:00.000Z	49 \| good	9.305 \| good	41.376 \| good	28.52 \| good	0.717 \| good	9.126 \| good	0.266 \| good
2025-06-09T10:00:00.000Z	49 \| good	9.189 \| good	41.067 \| good	25.695 \| good	1.043 \| good	5.576 \| good	0.256 \| good
2025-06-09T11:00:00.000Z	52 \| moderate	9.98 \| good	44.334 \| good	23.807 \| good	0.901 \| good	5.059 \| good	0.258 \| good

Fairfield

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Fairfield, Connecticut air quality map: Track AQI near you

0.27ppm

How accurate is Connecticut, USA air quality data?

Air quality data and pollutant measurements for Connecticut, 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 Fairfield, Connecticut updated?

The air quality for Fairfield, Connecticut is updated every hour.

When was the worst air quality at Fairfield, Connecticut in the last 24 hrs?

The worst air quality in Fairfield, Connecticut in the last 24 hours was observed at 09:00:00 on 2025-06-06.

When was the best air quality at Fairfield, Connecticut in the last 24 hrs?

In the last 24 hrs, the best air quality in Fairfield, Connecticut was observed at 10:00:00 on 2025-06-07.

What is the current air quality in Fairfield, Connecticut?

The current air quality in Fairfield, Connecticut is 49, categorized as Good based on real-time data.

What pollutant is the most common in Fairfield, Connecticut?

The most common pollutant in Fairfield, Connecticut is PM2.5.

What should I do if the air quality in Fairfield, Connecticut is poor?

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

What is the current concentration of PM_2.5 in Fairfield, Connecticut?

The current PM_2.5 concentration at Fairfield, Connecticut is 9.431 μg/m³.

What is the current concentration of PM₁₀ in Fairfield, Connecticut?

The current PM₁₀ concentration at Fairfield, Connecticut is 25.661 μg/m³.

What is the current concentration of carbon monoxide (CO) in Fairfield, Connecticut?

The current carbon monoxide (CO) concentration at Fairfield, Connecticut is 0.241 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Fairfield, Connecticut?

The current sulfur dioxide (SO₂) concentration at Fairfield, Connecticut is 0.51 ppb.

What is the current concentration of ozone (O₃) in Fairfield, Connecticut?

The current ozone (O₃) concentration at Fairfield, Connecticut is 17.542 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Fairfield, Connecticut?

The current nitrogen dioxide (NO₂) concentration at Fairfield, Connecticut is 8.839 ppb.

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