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

The current PM10 concentration at Bristol, Connecticut is 66.742 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Bristol, Connecticut is 0.202 ppb.

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

The current ozone (O3) concentration at Bristol, Connecticut is 17.928 ppm.

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

The current nitrogen dioxide (NO2) concentration at Bristol, Connecticut is 22.897 ppb.

Bristol, Connecticut live air quality index now

Q: What is the current concentration of PM2.5 in Bristol, Connecticut?

The current PM2.5 concentration at Bristol, Connecticut is 12.357 μg/m3.

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

Moderate

Bristol, Connecticut

Last updated: ... (Local time)

Major air pollutants in Bristol, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.36 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

66.74 μg/m³

155

255

425

605+

Ozone (O₃)

17.93 ppb

201

201+

Sulfur Dioxide (SO₂)

0.20 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

22.90 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Bristol, Connecticut

Get Live Pollen Counts

Bristol, Connecticut

Scroll To Air Quality Map

Track live Bristol, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T04:00:00.000Z	27 \| good	5.038 \| good	18.263 \| good	29.144 \| good	0.284 \| good	10.095 \| good	0.2 \| good
2025-12-27T05:00:00.000Z	27 \| good	4.672 \| good	22.614 \| good	27.814 \| good	0.272 \| good	9.093 \| good	0.23 \| good
2025-12-27T06:00:00.000Z	27 \| good	4.973 \| good	17.472 \| good	27.978 \| good	0.272 \| good	8.211 \| good	0.23 \| good
2025-12-27T07:00:00.000Z	24 \| good	3.89 \| good	14.959 \| good	25.75 \| good	0.273 \| good	8.285 \| good	0.2 \| good
2025-12-27T08:00:00.000Z	24 \| good	3.785 \| good	9.28 \| good	26.119 \| good	0.239 \| good	7.23 \| good	0.2 \| good
2025-12-27T09:00:00.000Z	24 \| good	4.281 \| good	8.98 \| good	26.228 \| good	0.298 \| good	7.326 \| good	0.164 \| good
2025-12-27T10:00:00.000Z	27 \| good	5.161 \| good	19.729 \| good	26.636 \| good	0.265 \| good	9.212 \| good	0.152 \| good
2025-12-27T11:00:00.000Z	26 \| good	4.14 \| good	17.032 \| good	27.534 \| good	0.204 \| good	7.382 \| good	0.145 \| good
2025-12-27T12:00:00.000Z	24 \| good	4.4 \| good	16.159 \| good	26.355 \| good	0.137 \| good	8.641 \| good	0.145 \| good
2025-12-27T13:00:00.000Z	22 \| good	3.974 \| good	18.785 \| good	22.648 \| good	0.147 \| good	8.268 \| good	0.145 \| good
2025-12-27T14:00:00.000Z	27 \| good	4.521 \| good	25.25 \| good	24.056 \| good	0.183 \| good	7.646 \| good	0.189 \| good
2025-12-27T15:00:00.000Z	23 \| good	3.929 \| good	15.505 \| good	25.491 \| good	0.159 \| good	7.954 \| good	0.189 \| good
2025-12-27T16:00:00.000Z	26 \| good	4.019 \| good	13.618 \| good	27.884 \| good	0.149 \| good	6.945 \| good	0.211 \| good
2025-12-27T17:00:00.000Z	26 \| good	3.689 \| good	19.076 \| good	28.454 \| good	0.149 \| good	6.276 \| good	0.218 \| good
2025-12-27T18:00:00.000Z	26 \| good	3.795 \| good	8.39 \| good	27.506 \| good	0.159 \| good	6.832 \| good	0.175 \| good
2025-12-27T19:00:00.000Z	29 \| good	3.992 \| good	9.081 \| good	30.615 \| good	0.159 \| good	6.568 \| good	0.175 \| good
2025-12-27T20:00:00.000Z	29 \| good	4.036 \| good	16.649 \| good	31.061 \| good	0.159 \| good	6.552 \| good	0.152 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.125 \| good	15.364 \| good	31.201 \| good	0.16 \| good	6.605 \| good	0.152 \| good
2025-12-27T22:00:00.000Z	26 \| good	4.401 \| good	9.283 \| good	27.511 \| good	0.16 \| good	10.528 \| good	0.233 \| good
2025-12-27T23:00:00.000Z	27 \| good	5.45 \| good	10.548 \| good	25.962 \| good	0.213 \| good	19.606 \| good	0.311 \| good
2025-12-28T00:00:00.000Z	38 \| good	6.685 \| good	24.751 \| good	21.236 \| good	0.222 \| good	22.326 \| good	0.39 \| good
2025-12-28T01:00:00.000Z	49 \| good	9.305 \| good	39.294 \| good	23.575 \| good	0.354 \| good	33.011 \| good	0.517 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	9.941 \| good	24.2 \| good	19.827 \| good	0.426 \| good	36.612 \| good	0.612 \| good
2025-12-28T03:00:00.000Z	58 \| moderate	12.722 \| fine	57.619 \| fine	13.497 \| good	1.103 \| good	14.399 \| good	0.248 \| good
2025-12-28T04:00:00.000Z	52 \| moderate	10.35 \| good	35.795 \| good	15.377 \| good	0.477 \| good	21.063 \| good	0.592 \| good
2025-12-28T05:00:00.000Z	64 \| moderate	16.185 \| fine	40.828 \| good	15.147 \| good	0.327 \| good	26.005 \| good	0.588 \| good
2025-12-28T06:00:00.000Z	58 \| moderate	12.753 \| fine	33.04 \| good	15.101 \| good	0.503 \| good	20.725 \| good	0.405 \| good
2025-12-28T07:00:00.000Z	58 \| moderate	12.539 \| fine	44.655 \| good	18.851 \| good	0.483 \| good	16.117 \| good	0.446 \| good
2025-12-28T08:00:00.000Z	66 \| moderate	17.317 \| fine	82.13 \| fine	12.224 \| good	0.272 \| good	24.454 \| good	0.344 \| good
2025-12-28T09:00:00.000Z	60 \| moderate	14.037 \| fine	57.641 \| fine	10.382 \| good	0.492 \| good	17.359 \| good	0.424 \| good
2025-12-28T10:00:00.000Z	56 \| moderate	11.615 \| good	62.719 \| fine	8.261 \| good	0.44 \| good	23.478 \| good	0.509 \| good
2025-12-28T11:00:00.000Z	56 \| moderate	12.332 \| fine	38.27 \| good	9.811 \| good	0.315 \| good	30.205 \| good	0.377 \| good
2025-12-28T12:00:00.000Z	54 \| moderate	11.289 \| good	47.731 \| good	9.267 \| good	0.342 \| good	24.888 \| good	0.413 \| good
2025-12-28T13:00:00.000Z	58 \| moderate	13.085 \| fine	56.539 \| fine	8.906 \| good	0.345 \| good	24.539 \| good	0.413 \| good
2025-12-28T14:00:00.000Z	60 \| moderate	13.562 \| fine	55.217 \| fine	6.029 \| good	0.387 \| good	28.055 \| good	0.588 \| good
2025-12-28T15:00:00.000Z	56 \| moderate	11.553 \| good	48.859 \| good	10.947 \| good	0.27 \| good	19.793 \| good	0.341 \| good
2025-12-28T16:00:00.000Z	49 \| good	8.707 \| good	23.14 \| good	15.774 \| good	0.239 \| good	17.62 \| good	0.26 \| good
2025-12-28T17:00:00.000Z	49 \| good	8.709 \| good	40.955 \| good	21.866 \| good	0.232 \| good	15.423 \| good	0.224 \| good
2025-12-28T18:00:00.000Z	49 \| good	9.083 \| good	35.507 \| good	23.966 \| good	0.263 \| good	14.043 \| good	0.224 \| good
2025-12-28T19:00:00.000Z	38 \| good	7.449 \| good	15.568 \| good	30.829 \| good	0.247 \| good	17.445 \| good	0.296 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.684 \| good	32.259 \| good	32.992 \| good	0.262 \| good	17.047 \| good	0.332 \| good
2025-12-28T21:00:00.000Z	38 \| good	6.881 \| good	28.626 \| good	29.889 \| good	0.249 \| good	17.284 \| good	0.315 \| good
2025-12-28T22:00:00.000Z	52 \| moderate	10.163 \| good	41.756 \| good	31.757 \| good	0.227 \| good	20.41 \| good	0.425 \| good
2025-12-28T23:00:00.000Z	66 \| moderate	16.612 \| fine	71.32 \| fine	14.606 \| good	0.25 \| good	25.818 \| good	0.403 \| good
2025-12-29T00:00:00.000Z	58 \| moderate	13.255 \| fine	23.638 \| good	8 \| good	0.351 \| good	26.485 \| good	0.347 \| good
2025-12-29T01:00:00.000Z	62 \| moderate	15.292 \| fine	40.128 \| good	7.153 \| good	0.216 \| good	20.643 \| good	0.273 \| good
2025-12-29T02:00:00.000Z	56 \| moderate	11.98 \| good	54.815 \| good	9.449 \| good	0.205 \| good	22.682 \| good	0.273 \| good
2025-12-29T03:00:00.000Z	57 \| moderate	12.357 \| fine	66.742 \| fine	17.928 \| good	0.202 \| good	22.897 \| good	0.269 \| good
2025-12-29T04:00:00.000Z	54 \| moderate	11.093 \| good	48.823 \| good	22.661 \| good	1.746 \| good	23.96 \| good	0.249 \| good
2025-12-29T05:00:00.000Z	44 \| good	7.93 \| good	34.791 \| good	27.742 \| good	1.21 \| good	18.245 \| good	0.218 \| good
2025-12-29T06:00:00.000Z	29 \| good	4.454 \| good	19.121 \| good	31.366 \| good	0.674 \| good	12.531 \| good	0.186 \| good
2025-12-29T07:00:00.000Z	29 \| good	3.192 \| good	13.93 \| good	30.764 \| good	0.648 \| good	9.524 \| good	0.17 \| good
2025-12-29T08:00:00.000Z	28 \| good	3.224 \| good	14.048 \| good	29.683 \| good	0.621 \| good	6.516 \| good	0.155 \| good
2025-12-29T09:00:00.000Z	25 \| good	2.817 \| good	11.331 \| good	27.335 \| good	0.595 \| good	3.509 \| good	0.139 \| good
2025-12-29T10:00:00.000Z	24 \| good	1.94 \| good	7.957 \| good	26.115 \| good	0.788 \| good	4.706 \| good	0.149 \| good
2025-12-29T11:00:00.000Z	22 \| good	1.884 \| good	7.88 \| good	23.792 \| good	0.982 \| good	5.902 \| good	0.159 \| good
2025-12-29T12:00:00.000Z	22 \| good	3.596 \| good	16.028 \| good	19.782 \| good	1.176 \| good	7.099 \| good	0.169 \| good
2025-12-29T13:00:00.000Z	27 \| good	5.472 \| good	23.701 \| good	17.577 \| good	1.302 \| good	8.559 \| good	0.182 \| good
2025-12-29T14:00:00.000Z	38 \| good	7.455 \| good	32.795 \| good	15.489 \| good	1.429 \| good	10.019 \| good	0.195 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.582 \| good	37.772 \| good	15.288 \| good	1.556 \| good	11.478 \| good	0.209 \| good
2025-12-29T16:00:00.000Z	44 \| good	8.317 \| good	36.676 \| good	14.73 \| good	1.557 \| good	11.935 \| good	0.208 \| good
2025-12-29T17:00:00.000Z	49 \| good	8.977 \| good	39.32 \| good	13.11 \| good	1.559 \| good	12.391 \| good	0.207 \| good
2025-12-29T18:00:00.000Z	44 \| good	8.061 \| good	35.212 \| good	20.116 \| good	1.561 \| good	12.847 \| good	0.206 \| good
2025-12-29T19:00:00.000Z	30 \| good	5.151 \| good	22.493 \| good	31.855 \| good	1.617 \| good	11.202 \| good	0.198 \| good
2025-12-29T20:00:00.000Z	36 \| good	2.177 \| good	8.738 \| good	39.45 \| good	1.672 \| good	9.557 \| good	0.19 \| good
2025-12-29T21:00:00.000Z	35 \| good	2.624 \| good	10.97 \| good	38.399 \| good	1.728 \| good	7.912 \| good	0.182 \| good
2025-12-29T22:00:00.000Z	30 \| good	4.98 \| good	21.718 \| good	32.262 \| good	1.574 \| good	6.3 \| good	0.18 \| good
2025-12-29T23:00:00.000Z	27 \| good	4.62 \| good	20.003 \| good	27.481 \| good	1.42 \| good	4.687 \| good	0.179 \| good
2025-12-30T00:00:00.000Z	21 \| good	3.482 \| good	15.644 \| good	22.822 \| good	1.266 \| good	3.075 \| good	0.177 \| good
2025-12-30T01:00:00.000Z	19 \| good	2.62 \| good	10.944 \| good	21.11 \| good	1.056 \| good	2.984 \| good	0.174 \| good
2025-12-30T02:00:00.000Z	19 \| good	2.139 \| good	8.91 \| good	19.966 \| good	0.847 \| good	2.893 \| good	0.17 \| good
2025-12-30T03:00:00.000Z	19 \| good	2.201 \| good	8.998 \| good	21.069 \| good	0.637 \| good	2.802 \| good	0.167 \| good
2025-12-30T04:00:00.000Z	23 \| good	1.635 \| good	6.884 \| good	24.931 \| good	0.538 \| good	2.33 \| good	0.16 \| good
2025-12-30T05:00:00.000Z	27 \| good	1.11 \| good	4.75 \| good	29.492 \| good	0.439 \| good	1.857 \| good	0.152 \| good
2025-12-30T06:00:00.000Z	30 \| good	0.957 \| good	3.933 \| good	32.106 \| good	0.34 \| good	1.385 \| good	0.145 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.936 \| good	3.775 \| good	31.986 \| good	0.31 \| good	1.214 \| good	0.143 \| good
2025-12-30T08:00:00.000Z	30 \| good	1.023 \| good	4.048 \| good	32.192 \| good	0.28 \| good	1.044 \| good	0.14 \| good
2025-12-30T09:00:00.000Z	30 \| good	0.589 \| good	2.132 \| good	31.597 \| good	0.251 \| good	0.873 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	29 \| good	0.557 \| good	2 \| good	31.258 \| good	0.29 \| good	1.177 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	30 \| good	0.377 \| good	1.131 \| good	32.122 \| good	0.328 \| good	1.481 \| good	0.145 \| good
2025-12-30T12:00:00.000Z	29 \| good	0.316 \| good	1 \| good	31.463 \| good	0.367 \| good	1.785 \| good	0.148 \| good
2025-12-30T13:00:00.000Z	31 \| good	0.285 \| good	1 \| good	33.055 \| good	0.367 \| good	1.679 \| good	0.147 \| good
2025-12-30T14:00:00.000Z	30 \| good	0.356 \| good	1.054 \| good	32.459 \| good	0.368 \| good	1.572 \| good	0.146 \| good
2025-12-30T15:00:00.000Z	31 \| good	0.336 \| good	1.024 \| good	33.336 \| good	0.368 \| good	1.466 \| good	0.146 \| good
2025-12-30T16:00:00.000Z	31 \| good	0.345 \| good	1.024 \| good	34.455 \| good	0.356 \| good	1.383 \| good	0.144 \| good
2025-12-30T17:00:00.000Z	33 \| good	0.379 \| good	1.182 \| good	35.854 \| good	0.345 \| good	1.301 \| good	0.142 \| good
2025-12-30T18:00:00.000Z	34 \| good	0.672 \| good	2.25 \| good	36.872 \| good	0.333 \| good	1.218 \| good	0.14 \| good
2025-12-30T19:00:00.000Z	35 \| good	0.968 \| good	3.99 \| good	37.89 \| good	0.371 \| good	1.486 \| good	0.139 \| good
2025-12-30T20:00:00.000Z	36 \| good	0.757 \| good	2.909 \| good	38.988 \| good	0.409 \| good	1.754 \| good	0.138 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.536 \| good	2 \| good	38.22 \| good	0.447 \| good	2.022 \| good	0.137 \| good
2025-12-30T22:00:00.000Z	35 \| good	1.164 \| good	5 \| good	37.59 \| good	0.523 \| good	2.377 \| good	0.138 \| good
2025-12-30T23:00:00.000Z	35 \| good	1.104 \| good	4.777 \| good	37.528 \| good	0.6 \| good	2.731 \| good	0.14 \| good
2025-12-31T00:00:00.000Z	36 \| good	2.145 \| good	2.215 \| good	39.343 \| good	0.683 \| good	3.116 \| good	0.142 \| good
2025-12-31T01:00:00.000Z	31 \| good	0.892 \| good	3.71 \| good	33.871 \| good	0.647 \| good	2.936 \| good	0.141 \| good
2025-12-31T02:00:00.000Z	31 \| good	0.75 \| good	2.91 \| good	32.581 \| good	0.617 \| good	2.785 \| good	0.14 \| good
2025-12-31T03:00:00.000Z	31 \| good	0.878 \| good	3.653 \| good	33.136 \| good	0.588 \| good	2.635 \| good	0.14 \| good

Bristol

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Bristol, 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 Bristol, Connecticut updated?

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

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

The worst air quality in Bristol, Connecticut in the last 24 hours was observed at 11:00:00 on 2025-12-28.

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

In the last 24 hrs, the best air quality in Bristol, Connecticut was observed at 09:00:00 on 2025-12-28.

What is the current air quality in Bristol, Connecticut?

The current air quality in Bristol, Connecticut is 57, categorized as Moderate based on real-time data.

What pollutant is the most common in Bristol, Connecticut?

The most common pollutant in Bristol, Connecticut is PM10.

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

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

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

The current PM_2.5 concentration at Bristol, Connecticut is 12.357 μg/m³.

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

The current PM₁₀ concentration at Bristol, Connecticut is 66.742 μg/m³.

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

The current carbon monoxide (CO) concentration at Bristol, Connecticut is 0.269 ppm.

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

The current sulfur dioxide (SO₂) concentration at Bristol, Connecticut is 0.202 ppb.

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

The current ozone (O₃) concentration at Bristol, Connecticut is 17.928 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Bristol, Connecticut is 22.897 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T04:00:00.000Z	27 \| good	5.038 \| good	18.263 \| good	29.144 \| good	0.284 \| good	10.095 \| good	0.2 \| good
2025-12-27T05:00:00.000Z	27 \| good	4.672 \| good	22.614 \| good	27.814 \| good	0.272 \| good	9.093 \| good	0.23 \| good
2025-12-27T06:00:00.000Z	27 \| good	4.973 \| good	17.472 \| good	27.978 \| good	0.272 \| good	8.211 \| good	0.23 \| good
2025-12-27T07:00:00.000Z	24 \| good	3.89 \| good	14.959 \| good	25.75 \| good	0.273 \| good	8.285 \| good	0.2 \| good
2025-12-27T08:00:00.000Z	24 \| good	3.785 \| good	9.28 \| good	26.119 \| good	0.239 \| good	7.23 \| good	0.2 \| good
2025-12-27T09:00:00.000Z	24 \| good	4.281 \| good	8.98 \| good	26.228 \| good	0.298 \| good	7.326 \| good	0.164 \| good
2025-12-27T10:00:00.000Z	27 \| good	5.161 \| good	19.729 \| good	26.636 \| good	0.265 \| good	9.212 \| good	0.152 \| good
2025-12-27T11:00:00.000Z	26 \| good	4.14 \| good	17.032 \| good	27.534 \| good	0.204 \| good	7.382 \| good	0.145 \| good
2025-12-27T12:00:00.000Z	24 \| good	4.4 \| good	16.159 \| good	26.355 \| good	0.137 \| good	8.641 \| good	0.145 \| good
2025-12-27T13:00:00.000Z	22 \| good	3.974 \| good	18.785 \| good	22.648 \| good	0.147 \| good	8.268 \| good	0.145 \| good
2025-12-27T14:00:00.000Z	27 \| good	4.521 \| good	25.25 \| good	24.056 \| good	0.183 \| good	7.646 \| good	0.189 \| good
2025-12-27T15:00:00.000Z	23 \| good	3.929 \| good	15.505 \| good	25.491 \| good	0.159 \| good	7.954 \| good	0.189 \| good
2025-12-27T16:00:00.000Z	26 \| good	4.019 \| good	13.618 \| good	27.884 \| good	0.149 \| good	6.945 \| good	0.211 \| good
2025-12-27T17:00:00.000Z	26 \| good	3.689 \| good	19.076 \| good	28.454 \| good	0.149 \| good	6.276 \| good	0.218 \| good
2025-12-27T18:00:00.000Z	26 \| good	3.795 \| good	8.39 \| good	27.506 \| good	0.159 \| good	6.832 \| good	0.175 \| good
2025-12-27T19:00:00.000Z	29 \| good	3.992 \| good	9.081 \| good	30.615 \| good	0.159 \| good	6.568 \| good	0.175 \| good
2025-12-27T20:00:00.000Z	29 \| good	4.036 \| good	16.649 \| good	31.061 \| good	0.159 \| good	6.552 \| good	0.152 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.125 \| good	15.364 \| good	31.201 \| good	0.16 \| good	6.605 \| good	0.152 \| good
2025-12-27T22:00:00.000Z	26 \| good	4.401 \| good	9.283 \| good	27.511 \| good	0.16 \| good	10.528 \| good	0.233 \| good
2025-12-27T23:00:00.000Z	27 \| good	5.45 \| good	10.548 \| good	25.962 \| good	0.213 \| good	19.606 \| good	0.311 \| good
2025-12-28T00:00:00.000Z	38 \| good	6.685 \| good	24.751 \| good	21.236 \| good	0.222 \| good	22.326 \| good	0.39 \| good
2025-12-28T01:00:00.000Z	49 \| good	9.305 \| good	39.294 \| good	23.575 \| good	0.354 \| good	33.011 \| good	0.517 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	9.941 \| good	24.2 \| good	19.827 \| good	0.426 \| good	36.612 \| good	0.612 \| good
2025-12-28T03:00:00.000Z	58 \| moderate	12.722 \| fine	57.619 \| fine	13.497 \| good	1.103 \| good	14.399 \| good	0.248 \| good
2025-12-28T04:00:00.000Z	52 \| moderate	10.35 \| good	35.795 \| good	15.377 \| good	0.477 \| good	21.063 \| good	0.592 \| good
2025-12-28T05:00:00.000Z	64 \| moderate	16.185 \| fine	40.828 \| good	15.147 \| good	0.327 \| good	26.005 \| good	0.588 \| good
2025-12-28T06:00:00.000Z	58 \| moderate	12.753 \| fine	33.04 \| good	15.101 \| good	0.503 \| good	20.725 \| good	0.405 \| good
2025-12-28T07:00:00.000Z	58 \| moderate	12.539 \| fine	44.655 \| good	18.851 \| good	0.483 \| good	16.117 \| good	0.446 \| good
2025-12-28T08:00:00.000Z	66 \| moderate	17.317 \| fine	82.13 \| fine	12.224 \| good	0.272 \| good	24.454 \| good	0.344 \| good
2025-12-28T09:00:00.000Z	60 \| moderate	14.037 \| fine	57.641 \| fine	10.382 \| good	0.492 \| good	17.359 \| good	0.424 \| good
2025-12-28T10:00:00.000Z	56 \| moderate	11.615 \| good	62.719 \| fine	8.261 \| good	0.44 \| good	23.478 \| good	0.509 \| good
2025-12-28T11:00:00.000Z	56 \| moderate	12.332 \| fine	38.27 \| good	9.811 \| good	0.315 \| good	30.205 \| good	0.377 \| good
2025-12-28T12:00:00.000Z	54 \| moderate	11.289 \| good	47.731 \| good	9.267 \| good	0.342 \| good	24.888 \| good	0.413 \| good
2025-12-28T13:00:00.000Z	58 \| moderate	13.085 \| fine	56.539 \| fine	8.906 \| good	0.345 \| good	24.539 \| good	0.413 \| good
2025-12-28T14:00:00.000Z	60 \| moderate	13.562 \| fine	55.217 \| fine	6.029 \| good	0.387 \| good	28.055 \| good	0.588 \| good
2025-12-28T15:00:00.000Z	56 \| moderate	11.553 \| good	48.859 \| good	10.947 \| good	0.27 \| good	19.793 \| good	0.341 \| good
2025-12-28T16:00:00.000Z	49 \| good	8.707 \| good	23.14 \| good	15.774 \| good	0.239 \| good	17.62 \| good	0.26 \| good
2025-12-28T17:00:00.000Z	49 \| good	8.709 \| good	40.955 \| good	21.866 \| good	0.232 \| good	15.423 \| good	0.224 \| good
2025-12-28T18:00:00.000Z	49 \| good	9.083 \| good	35.507 \| good	23.966 \| good	0.263 \| good	14.043 \| good	0.224 \| good
2025-12-28T19:00:00.000Z	38 \| good	7.449 \| good	15.568 \| good	30.829 \| good	0.247 \| good	17.445 \| good	0.296 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.684 \| good	32.259 \| good	32.992 \| good	0.262 \| good	17.047 \| good	0.332 \| good
2025-12-28T21:00:00.000Z	38 \| good	6.881 \| good	28.626 \| good	29.889 \| good	0.249 \| good	17.284 \| good	0.315 \| good
2025-12-28T22:00:00.000Z	52 \| moderate	10.163 \| good	41.756 \| good	31.757 \| good	0.227 \| good	20.41 \| good	0.425 \| good
2025-12-28T23:00:00.000Z	66 \| moderate	16.612 \| fine	71.32 \| fine	14.606 \| good	0.25 \| good	25.818 \| good	0.403 \| good
2025-12-29T00:00:00.000Z	58 \| moderate	13.255 \| fine	23.638 \| good	8 \| good	0.351 \| good	26.485 \| good	0.347 \| good
2025-12-29T01:00:00.000Z	62 \| moderate	15.292 \| fine	40.128 \| good	7.153 \| good	0.216 \| good	20.643 \| good	0.273 \| good
2025-12-29T02:00:00.000Z	56 \| moderate	11.98 \| good	54.815 \| good	9.449 \| good	0.205 \| good	22.682 \| good	0.273 \| good
2025-12-29T03:00:00.000Z	57 \| moderate	12.357 \| fine	66.742 \| fine	17.928 \| good	0.202 \| good	22.897 \| good	0.269 \| good
2025-12-29T04:00:00.000Z	54 \| moderate	11.093 \| good	48.823 \| good	22.661 \| good	1.746 \| good	23.96 \| good	0.249 \| good
2025-12-29T05:00:00.000Z	44 \| good	7.93 \| good	34.791 \| good	27.742 \| good	1.21 \| good	18.245 \| good	0.218 \| good
2025-12-29T06:00:00.000Z	29 \| good	4.454 \| good	19.121 \| good	31.366 \| good	0.674 \| good	12.531 \| good	0.186 \| good
2025-12-29T07:00:00.000Z	29 \| good	3.192 \| good	13.93 \| good	30.764 \| good	0.648 \| good	9.524 \| good	0.17 \| good
2025-12-29T08:00:00.000Z	28 \| good	3.224 \| good	14.048 \| good	29.683 \| good	0.621 \| good	6.516 \| good	0.155 \| good
2025-12-29T09:00:00.000Z	25 \| good	2.817 \| good	11.331 \| good	27.335 \| good	0.595 \| good	3.509 \| good	0.139 \| good
2025-12-29T10:00:00.000Z	24 \| good	1.94 \| good	7.957 \| good	26.115 \| good	0.788 \| good	4.706 \| good	0.149 \| good
2025-12-29T11:00:00.000Z	22 \| good	1.884 \| good	7.88 \| good	23.792 \| good	0.982 \| good	5.902 \| good	0.159 \| good
2025-12-29T12:00:00.000Z	22 \| good	3.596 \| good	16.028 \| good	19.782 \| good	1.176 \| good	7.099 \| good	0.169 \| good
2025-12-29T13:00:00.000Z	27 \| good	5.472 \| good	23.701 \| good	17.577 \| good	1.302 \| good	8.559 \| good	0.182 \| good
2025-12-29T14:00:00.000Z	38 \| good	7.455 \| good	32.795 \| good	15.489 \| good	1.429 \| good	10.019 \| good	0.195 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.582 \| good	37.772 \| good	15.288 \| good	1.556 \| good	11.478 \| good	0.209 \| good
2025-12-29T16:00:00.000Z	44 \| good	8.317 \| good	36.676 \| good	14.73 \| good	1.557 \| good	11.935 \| good	0.208 \| good
2025-12-29T17:00:00.000Z	49 \| good	8.977 \| good	39.32 \| good	13.11 \| good	1.559 \| good	12.391 \| good	0.207 \| good
2025-12-29T18:00:00.000Z	44 \| good	8.061 \| good	35.212 \| good	20.116 \| good	1.561 \| good	12.847 \| good	0.206 \| good
2025-12-29T19:00:00.000Z	30 \| good	5.151 \| good	22.493 \| good	31.855 \| good	1.617 \| good	11.202 \| good	0.198 \| good
2025-12-29T20:00:00.000Z	36 \| good	2.177 \| good	8.738 \| good	39.45 \| good	1.672 \| good	9.557 \| good	0.19 \| good
2025-12-29T21:00:00.000Z	35 \| good	2.624 \| good	10.97 \| good	38.399 \| good	1.728 \| good	7.912 \| good	0.182 \| good
2025-12-29T22:00:00.000Z	30 \| good	4.98 \| good	21.718 \| good	32.262 \| good	1.574 \| good	6.3 \| good	0.18 \| good
2025-12-29T23:00:00.000Z	27 \| good	4.62 \| good	20.003 \| good	27.481 \| good	1.42 \| good	4.687 \| good	0.179 \| good
2025-12-30T00:00:00.000Z	21 \| good	3.482 \| good	15.644 \| good	22.822 \| good	1.266 \| good	3.075 \| good	0.177 \| good
2025-12-30T01:00:00.000Z	19 \| good	2.62 \| good	10.944 \| good	21.11 \| good	1.056 \| good	2.984 \| good	0.174 \| good
2025-12-30T02:00:00.000Z	19 \| good	2.139 \| good	8.91 \| good	19.966 \| good	0.847 \| good	2.893 \| good	0.17 \| good
2025-12-30T03:00:00.000Z	19 \| good	2.201 \| good	8.998 \| good	21.069 \| good	0.637 \| good	2.802 \| good	0.167 \| good
2025-12-30T04:00:00.000Z	23 \| good	1.635 \| good	6.884 \| good	24.931 \| good	0.538 \| good	2.33 \| good	0.16 \| good
2025-12-30T05:00:00.000Z	27 \| good	1.11 \| good	4.75 \| good	29.492 \| good	0.439 \| good	1.857 \| good	0.152 \| good
2025-12-30T06:00:00.000Z	30 \| good	0.957 \| good	3.933 \| good	32.106 \| good	0.34 \| good	1.385 \| good	0.145 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.936 \| good	3.775 \| good	31.986 \| good	0.31 \| good	1.214 \| good	0.143 \| good
2025-12-30T08:00:00.000Z	30 \| good	1.023 \| good	4.048 \| good	32.192 \| good	0.28 \| good	1.044 \| good	0.14 \| good
2025-12-30T09:00:00.000Z	30 \| good	0.589 \| good	2.132 \| good	31.597 \| good	0.251 \| good	0.873 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	29 \| good	0.557 \| good	2 \| good	31.258 \| good	0.29 \| good	1.177 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	30 \| good	0.377 \| good	1.131 \| good	32.122 \| good	0.328 \| good	1.481 \| good	0.145 \| good
2025-12-30T12:00:00.000Z	29 \| good	0.316 \| good	1 \| good	31.463 \| good	0.367 \| good	1.785 \| good	0.148 \| good
2025-12-30T13:00:00.000Z	31 \| good	0.285 \| good	1 \| good	33.055 \| good	0.367 \| good	1.679 \| good	0.147 \| good
2025-12-30T14:00:00.000Z	30 \| good	0.356 \| good	1.054 \| good	32.459 \| good	0.368 \| good	1.572 \| good	0.146 \| good
2025-12-30T15:00:00.000Z	31 \| good	0.336 \| good	1.024 \| good	33.336 \| good	0.368 \| good	1.466 \| good	0.146 \| good
2025-12-30T16:00:00.000Z	31 \| good	0.345 \| good	1.024 \| good	34.455 \| good	0.356 \| good	1.383 \| good	0.144 \| good
2025-12-30T17:00:00.000Z	33 \| good	0.379 \| good	1.182 \| good	35.854 \| good	0.345 \| good	1.301 \| good	0.142 \| good
2025-12-30T18:00:00.000Z	34 \| good	0.672 \| good	2.25 \| good	36.872 \| good	0.333 \| good	1.218 \| good	0.14 \| good
2025-12-30T19:00:00.000Z	35 \| good	0.968 \| good	3.99 \| good	37.89 \| good	0.371 \| good	1.486 \| good	0.139 \| good
2025-12-30T20:00:00.000Z	36 \| good	0.757 \| good	2.909 \| good	38.988 \| good	0.409 \| good	1.754 \| good	0.138 \| good
2025-12-30T21:00:00.000Z	35 \| good	0.536 \| good	2 \| good	38.22 \| good	0.447 \| good	2.022 \| good	0.137 \| good
2025-12-30T22:00:00.000Z	35 \| good	1.164 \| good	5 \| good	37.59 \| good	0.523 \| good	2.377 \| good	0.138 \| good
2025-12-30T23:00:00.000Z	35 \| good	1.104 \| good	4.777 \| good	37.528 \| good	0.6 \| good	2.731 \| good	0.14 \| good
2025-12-31T00:00:00.000Z	36 \| good	2.145 \| good	2.215 \| good	39.343 \| good	0.683 \| good	3.116 \| good	0.142 \| good
2025-12-31T01:00:00.000Z	31 \| good	0.892 \| good	3.71 \| good	33.871 \| good	0.647 \| good	2.936 \| good	0.141 \| good
2025-12-31T02:00:00.000Z	31 \| good	0.75 \| good	2.91 \| good	32.581 \| good	0.617 \| good	2.785 \| good	0.14 \| good
2025-12-31T03:00:00.000Z	31 \| good	0.878 \| good	3.653 \| good	33.136 \| good	0.588 \| good	2.635 \| good	0.14 \| good

Bristol, Connecticut live air quality index now

Major air pollutants in Bristol, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Bristol, Connecticut air quality forecast and history

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Bristol, Connecticut air quality map: Track AQI near you

Air quality in nearby cities

Plainville, Connecticut

Wolcott, Connecticut

Plymouth, Connecticut

Southington, Connecticut

New Britain, Connecticut

Farmington, Connecticut

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Frequently asked questions

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What is the current concentration of PM2.5 in Bristol, Connecticut?

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

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

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

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

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

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 Bristol, Connecticut?

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

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

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

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