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

The current PM10 concentration at Bristol, Connecticut is 21.898 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Bristol, Connecticut is 1.745 ppb.

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

The current ozone (O3) concentration at Bristol, Connecticut is 33.346 ppm.

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

The current nitrogen dioxide (NO2) concentration at Bristol, Connecticut is 5.86 ppb.

Bristol, Connecticut live air quality index now

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

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)

Good

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)

9.23 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.49 μg/m³

155

255

425

605+

Ozone (O₃)

27.92 ppb

201

201+

Sulfur Dioxide (SO₂)

1.26 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

9.69 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 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
2025-07-15T11:00:00.000Z	33 \| good	5.907 \| good	20.252 \| good	16.681 \| good	0.197 \| good	9.389 \| good	0.324 \| good
2025-07-15T12:00:00.000Z	27 \| good	5.41 \| good	18.011 \| good	17.975 \| good	0.234 \| good	9.426 \| good	0.289 \| good
2025-07-15T13:00:00.000Z	27 \| good	4.853 \| good	14.534 \| good	27.244 \| good	0.17 \| good	8.447 \| good	0.289 \| good
2025-07-15T14:00:00.000Z	27 \| good	5.142 \| good	11.118 \| good	23.548 \| good	0.221 \| good	8.354 \| good	0.254 \| good
2025-07-15T15:00:00.000Z	29 \| good	4.833 \| good	22.088 \| good	30.948 \| good	0.152 \| good	8.511 \| good	0.27 \| good
2025-07-15T16:00:00.000Z	29 \| good	3.841 \| good	16.22 \| good	31.155 \| good	0.148 \| good	9.504 \| good	0.296 \| good
2025-07-15T17:00:00.000Z	33 \| good	4.38 \| good	19.995 \| good	35.606 \| good	0.138 \| good	9.398 \| good	0.304 \| good
2025-07-15T18:00:00.000Z	49 \| good	8.503 \| good	23.036 \| good	34.05 \| good	0.167 \| good	9.138 \| good	0.304 \| good
2025-07-15T19:00:00.000Z	54 \| moderate	10.783 \| good	34.822 \| good	38.208 \| good	0.137 \| good	8.275 \| good	0.297 \| good
2025-07-15T20:00:00.000Z	35 \| good	5.731 \| good	25.643 \| good	38.144 \| good	0.119 \| good	8.665 \| good	0.339 \| good
2025-07-15T21:00:00.000Z	38 \| good	3.968 \| good	17.093 \| good	40.594 \| good	0.18 \| good	8.396 \| good	0.347 \| good
2025-07-15T22:00:00.000Z	41 \| good	4.433 \| good	10.216 \| good	44.308 \| good	0.138 \| good	6.849 \| good	0.312 \| good
2025-07-15T23:00:00.000Z	44 \| good	4.753 \| good	14.321 \| good	47.481 \| good	0.138 \| good	7.658 \| good	0.304 \| good
2025-07-16T00:00:00.000Z	48 \| good	4.255 \| good	10.917 \| good	51.863 \| good	0.114 \| good	6.396 \| good	0.297 \| good
2025-07-16T01:00:00.000Z	41 \| good	4.743 \| good	14.376 \| good	44.16 \| good	0.208 \| good	6.723 \| good	0.297 \| good
2025-07-16T02:00:00.000Z	38 \| good	4.895 \| good	15.083 \| good	41.363 \| good	0.223 \| good	7.319 \| good	0.277 \| good
2025-07-16T03:00:00.000Z	44 \| good	7.856 \| good	34.243 \| good	39.082 \| good	0.93 \| good	7.399 \| good	0.234 \| good
2025-07-16T04:00:00.000Z	31 \| good	5.274 \| good	20.6 \| good	34.301 \| good	0.218 \| good	8.523 \| good	0.262 \| good
2025-07-16T05:00:00.000Z	30 \| good	5.365 \| good	19.247 \| good	31.602 \| good	0.777 \| good	5.985 \| good	0.263 \| good
2025-07-16T06:00:00.000Z	32 \| good	5.15 \| good	28.258 \| good	34.568 \| good	0.847 \| good	8.707 \| good	0.263 \| good
2025-07-16T07:00:00.000Z	27 \| good	5.414 \| good	16.766 \| good	27.162 \| good	0.314 \| good	8.346 \| good	0.263 \| good
2025-07-16T08:00:00.000Z	27 \| good	5.476 \| good	27.024 \| good	26.365 \| good	0.195 \| good	10.591 \| good	0.249 \| good
2025-07-16T09:00:00.000Z	33 \| good	5.662 \| good	20.378 \| good	24.052 \| good	0.157 \| good	13.103 \| good	0.262 \| good
2025-07-16T10:00:00.000Z	38 \| good	6.502 \| good	16.172 \| good	26.484 \| good	0.193 \| good	12.191 \| good	0.332 \| good
2025-07-16T11:00:00.000Z	38 \| good	7.317 \| good	28.445 \| good	24.723 \| good	0.198 \| good	13.206 \| good	0.36 \| good
2025-07-16T12:00:00.000Z	56 \| moderate	8.978 \| good	65.943 \| fine	28.203 \| good	0.157 \| good	9.84 \| good	0.346 \| good
2025-07-16T13:00:00.000Z	38 \| good	7.402 \| good	30.864 \| good	20.405 \| good	0.234 \| good	10.619 \| good	0.381 \| good
2025-07-16T14:00:00.000Z	38 \| good	7.002 \| good	20.638 \| good	26.93 \| good	0.209 \| good	12.027 \| good	0.312 \| good
2025-07-16T15:00:00.000Z	49 \| good	8.921 \| good	37.64 \| good	29.413 \| good	0.28 \| good	12.354 \| good	0.374 \| good
2025-07-16T16:00:00.000Z	49 \| good	8.979 \| good	48.638 \| good	37.236 \| good	0.201 \| good	10.325 \| good	0.403 \| good
2025-07-16T17:00:00.000Z	44 \| good	7.812 \| good	18.728 \| good	45.952 \| good	0.282 \| good	9.987 \| good	0.243 \| good
2025-07-16T18:00:00.000Z	51 \| moderate	7.275 \| good	35.713 \| good	54.986 \| good	0.198 \| good	8.537 \| good	0.278 \| good
2025-07-16T19:00:00.000Z	50 \| good	7.194 \| good	36.362 \| good	53.612 \| good	0.257 \| good	9.179 \| good	0.356 \| good
2025-07-16T20:00:00.000Z	48 \| good	7.848 \| good	30.926 \| good	52.447 \| good	0.908 \| good	8.785 \| good	0.374 \| good
2025-07-16T21:00:00.000Z	80 \| moderate	8.85 \| good	29.08 \| good	64.122 \| fine	0.485 \| good	8.528 \| good	0.243 \| good
2025-07-16T22:00:00.000Z	87 \| moderate	8.475 \| good	24.248 \| good	66.081 \| fine	0.511 \| good	9.659 \| good	0.277 \| good
2025-07-16T23:00:00.000Z	58 \| moderate	7.884 \| good	19.526 \| good	57.116 \| fine	0.207 \| good	7.662 \| good	0.277 \| good
2025-07-17T00:00:00.000Z	47 \| good	6.598 \| good	23.373 \| good	51.214 \| good	0.245 \| good	6.89 \| good	0.27 \| good
2025-07-17T01:00:00.000Z	44 \| good	7.943 \| good	22.974 \| good	45.302 \| good	0.262 \| good	6.075 \| good	0.277 \| good
2025-07-17T02:00:00.000Z	44 \| good	8.118 \| good	20.926 \| good	43.935 \| good	0.247 \| good	5.983 \| good	0.242 \| good
2025-07-17T03:00:00.000Z	44 \| good	7.708 \| good	19.784 \| good	36.044 \| good	0.279 \| good	5.91 \| good	0.235 \| good
2025-07-17T04:00:00.000Z	44 \| good	7.788 \| good	23.102 \| good	34.262 \| good	1.244 \| good	5.092 \| good	0.249 \| good
2025-07-17T05:00:00.000Z	44 \| good	8.068 \| good	19.416 \| good	31.87 \| good	1.629 \| good	4.833 \| good	0.249 \| good
2025-07-17T06:00:00.000Z	44 \| good	7.906 \| good	21.898 \| good	33.346 \| good	1.745 \| good	5.86 \| good	0.213 \| good
2025-07-17T07:00:00.000Z	44 \| good	8.229 \| good	17.052 \| good	26.302 \| good	1.562 \| good	6.217 \| good	0.207 \| good
2025-07-17T08:00:00.000Z	49 \| good	8.732 \| good	18.683 \| good	30.483 \| good	1.138 \| good	5.67 \| good	0.234 \| good
2025-07-17T09:00:00.000Z	49 \| good	9.231 \| good	20.494 \| good	27.921 \| good	1.263 \| good	9.685 \| good	0.227 \| good
2025-07-17T10:00:00.000Z	49 \| good	9.231 \| good	20.494 \| good	27.921 \| good	1.263 \| good	9.685 \| good	0.227 \| good
2025-07-17T07:00:00.000Z	49 \| good	8.699 \| good	38.247 \| good	28.127 \| good	1.931 \| good	7.416 \| good	0.215 \| good
2025-07-17T08:00:00.000Z	52 \| moderate	10.11 \| good	45.044 \| good	22.832 \| good	1.988 \| good	7.208 \| good	0.215 \| good
2025-07-17T09:00:00.000Z	49 \| good	9.133 \| good	40.73 \| good	22.802 \| good	2.045 \| good	7 \| good	0.214 \| good
2025-07-17T10:00:00.000Z	38 \| good	6.544 \| good	29.119 \| good	30.315 \| good	1.765 \| good	6.692 \| good	0.21 \| good
2025-07-17T11:00:00.000Z	30 \| good	4.97 \| good	21.226 \| good	31.831 \| good	1.486 \| good	6.385 \| good	0.206 \| good
2025-07-17T12:00:00.000Z	29 \| good	3.794 \| good	16.521 \| good	31.232 \| good	1.206 \| good	6.077 \| good	0.201 \| good
2025-07-17T13:00:00.000Z	29 \| good	3.573 \| good	16 \| good	30.644 \| good	1.005 \| good	4.97 \| good	0.199 \| good
2025-07-17T14:00:00.000Z	32 \| good	4.063 \| good	17.864 \| good	35.202 \| good	0.803 \| good	3.863 \| good	0.197 \| good
2025-07-17T15:00:00.000Z	44 \| good	5.483 \| good	23.83 \| good	47.837 \| good	0.601 \| good	2.755 \| good	0.195 \| good
2025-07-17T16:00:00.000Z	44 \| good	5.587 \| good	23.959 \| good	47.496 \| good	0.626 \| good	2.407 \| good	0.194 \| good
2025-07-17T17:00:00.000Z	40 \| good	4.865 \| good	21.019 \| good	42.679 \| good	0.651 \| good	2.059 \| good	0.194 \| good
2025-07-17T18:00:00.000Z	39 \| good	5.003 \| good	21.803 \| good	41.538 \| good	0.675 \| good	1.711 \| good	0.193 \| good
2025-07-17T19:00:00.000Z	39 \| good	5.584 \| good	24.065 \| good	42.196 \| good	0.683 \| good	1.774 \| good	0.196 \| good
2025-07-17T20:00:00.000Z	42 \| good	5.196 \| good	22.748 \| good	45.148 \| good	0.692 \| good	1.837 \| good	0.199 \| good
2025-07-17T21:00:00.000Z	43 \| good	5 \| good	21.849 \| good	45.569 \| good	0.7 \| good	1.9 \| good	0.203 \| good
2025-07-17T22:00:00.000Z	39 \| good	4.965 \| good	21.19 \| good	42.312 \| good	0.679 \| good	2.641 \| good	0.208 \| good
2025-07-17T23:00:00.000Z	36 \| good	4.056 \| good	17.801 \| good	39.021 \| good	0.657 \| good	3.383 \| good	0.213 \| good
2025-07-18T00:00:00.000Z	36 \| good	4.997 \| good	21.836 \| good	38.713 \| good	0.636 \| good	4.124 \| good	0.219 \| good
2025-07-18T01:00:00.000Z	38 \| good	5.666 \| good	24.204 \| good	40.585 \| good	0.867 \| good	4.118 \| good	0.217 \| good
2025-07-18T02:00:00.000Z	37 \| good	5.967 \| good	26.54 \| good	39.771 \| good	1.097 \| good	4.112 \| good	0.214 \| good
2025-07-18T03:00:00.000Z	34 \| good	5.391 \| good	22.94 \| good	36.821 \| good	1.328 \| good	4.106 \| good	0.212 \| good
2025-07-18T04:00:00.000Z	30 \| good	5.09 \| good	21.9 \| good	31.96 \| good	1.091 \| good	3.463 \| good	0.202 \| good
2025-07-18T05:00:00.000Z	27 \| good	5.125 \| good	22.142 \| good	29.088 \| good	0.854 \| good	2.82 \| good	0.193 \| good
2025-07-18T06:00:00.000Z	28 \| good	5.094 \| good	21.937 \| good	29.924 \| good	0.617 \| good	2.177 \| good	0.184 \| good
2025-07-18T07:00:00.000Z	25 \| good	4.184 \| good	18.106 \| good	27.493 \| good	0.51 \| good	1.908 \| good	0.172 \| good
2025-07-18T08:00:00.000Z	22 \| good	3.38 \| good	14.925 \| good	23.584 \| good	0.403 \| good	1.639 \| good	0.16 \| good
2025-07-18T09:00:00.000Z	22 \| good	3.582 \| good	15.87 \| good	19.349 \| good	0.296 \| good	1.37 \| good	0.148 \| good
2025-07-18T10:00:00.000Z	22 \| good	3.871 \| good	17.019 \| good	18.907 \| good	0.268 \| good	1.261 \| good	0.145 \| good
2025-07-18T11:00:00.000Z	22 \| good	3.807 \| good	16.849 \| good	18.572 \| good	0.239 \| good	1.151 \| good	0.141 \| good
2025-07-18T12:00:00.000Z	22 \| good	3.961 \| good	17.107 \| good	22.089 \| good	0.21 \| good	1.042 \| good	0.138 \| good
2025-07-18T13:00:00.000Z	22 \| good	4.091 \| good	18 \| good	24.394 \| good	0.218 \| good	0.964 \| good	0.137 \| good
2025-07-18T14:00:00.000Z	26 \| good	4.176 \| good	18.262 \| good	28.202 \| good	0.226 \| good	0.887 \| good	0.136 \| good
2025-07-18T15:00:00.000Z	29 \| good	4.219 \| good	18.863 \| good	31.156 \| good	0.234 \| good	0.809 \| good	0.135 \| good
2025-07-18T16:00:00.000Z	31 \| good	4.438 \| good	19.041 \| good	33.073 \| good	0.242 \| good	0.833 \| good	0.132 \| good
2025-07-18T17:00:00.000Z	31 \| good	3.946 \| good	17.159 \| good	32.599 \| good	0.25 \| good	0.857 \| good	0.129 \| good
2025-07-18T18:00:00.000Z	29 \| good	3.564 \| good	15.762 \| good	30.886 \| good	0.258 \| good	0.881 \| good	0.126 \| good
2025-07-18T19:00:00.000Z	26 \| good	2.657 \| good	10.771 \| good	28.385 \| good	0.259 \| good	0.914 \| good	0.127 \| good
2025-07-18T20:00:00.000Z	27 \| good	2.028 \| good	8.099 \| good	28.708 \| good	0.259 \| good	0.947 \| good	0.127 \| good
2025-07-18T21:00:00.000Z	27 \| good	2.103 \| good	8.665 \| good	28.889 \| good	0.26 \| good	0.98 \| good	0.127 \| good
2025-07-18T22:00:00.000Z	27 \| good	2.103 \| good	8.814 \| good	29.319 \| good	0.302 \| good	2.873 \| good	0.147 \| good
2025-07-18T23:00:00.000Z	27 \| good	1.747 \| good	7.062 \| good	28.636 \| good	0.345 \| good	4.766 \| good	0.167 \| good
2025-07-19T00:00:00.000Z	24 \| good	1.744 \| good	7.039 \| good	25.952 \| good	0.387 \| good	6.659 \| good	0.186 \| good
2025-07-19T01:00:00.000Z	24 \| good	1.445 \| good	5.899 \| good	25.797 \| good	0.449 \| good	8.96 \| good	0.212 \| good
2025-07-19T02:00:00.000Z	23 \| good	0.993 \| good	3.864 \| good	24.537 \| good	0.51 \| good	11.261 \| good	0.238 \| good
2025-07-19T03:00:00.000Z	21 \| good	0.399 \| good	1.214 \| good	23.232 \| good	0.572 \| good	13.561 \| good	0.264 \| good
2025-07-19T04:00:00.000Z	20 \| good	0.695 \| good	2.737 \| good	22.055 \| good	0.552 \| good	12.719 \| good	0.259 \| good
2025-07-19T05:00:00.000Z	19 \| good	0.937 \| good	3.784 \| good	19.542 \| good	0.531 \| good	11.877 \| good	0.255 \| good
2025-07-19T06:00:00.000Z	49 \| good	8.709 \| good	8.776 \| good	22.528 \| good	0.505 \| good	10.894 \| good	0.249 \| good

Bristol

Get reliable air quality data to drive your business

Bristol, Connecticut air quality map: Track AQI near you

0.25ppm

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 10:00:00 on 2025-07-16.

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 08:00:00 on 2025-07-16.

What is the current air quality in Bristol, Connecticut?

The current air quality in Bristol, Connecticut is 44, categorized as Good based on real-time data.

What pollutant is the most common in Bristol, Connecticut?

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

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 7.906 μg/m³.

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

The current PM₁₀ concentration at Bristol, Connecticut is 21.898 μg/m³.

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

The current carbon monoxide (CO) concentration at Bristol, Connecticut is 0.213 ppm.

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

The current sulfur dioxide (SO₂) concentration at Bristol, Connecticut is 1.745 ppb.

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

The current ozone (O₃) concentration at Bristol, Connecticut is 33.346 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Bristol, Connecticut is 5.86 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-15T11:00:00.000Z	33 \| good	5.907 \| good	20.252 \| good	16.681 \| good	0.197 \| good	9.389 \| good	0.324 \| good
2025-07-15T12:00:00.000Z	27 \| good	5.41 \| good	18.011 \| good	17.975 \| good	0.234 \| good	9.426 \| good	0.289 \| good
2025-07-15T13:00:00.000Z	27 \| good	4.853 \| good	14.534 \| good	27.244 \| good	0.17 \| good	8.447 \| good	0.289 \| good
2025-07-15T14:00:00.000Z	27 \| good	5.142 \| good	11.118 \| good	23.548 \| good	0.221 \| good	8.354 \| good	0.254 \| good
2025-07-15T15:00:00.000Z	29 \| good	4.833 \| good	22.088 \| good	30.948 \| good	0.152 \| good	8.511 \| good	0.27 \| good
2025-07-15T16:00:00.000Z	29 \| good	3.841 \| good	16.22 \| good	31.155 \| good	0.148 \| good	9.504 \| good	0.296 \| good
2025-07-15T17:00:00.000Z	33 \| good	4.38 \| good	19.995 \| good	35.606 \| good	0.138 \| good	9.398 \| good	0.304 \| good
2025-07-15T18:00:00.000Z	49 \| good	8.503 \| good	23.036 \| good	34.05 \| good	0.167 \| good	9.138 \| good	0.304 \| good
2025-07-15T19:00:00.000Z	54 \| moderate	10.783 \| good	34.822 \| good	38.208 \| good	0.137 \| good	8.275 \| good	0.297 \| good
2025-07-15T20:00:00.000Z	35 \| good	5.731 \| good	25.643 \| good	38.144 \| good	0.119 \| good	8.665 \| good	0.339 \| good
2025-07-15T21:00:00.000Z	38 \| good	3.968 \| good	17.093 \| good	40.594 \| good	0.18 \| good	8.396 \| good	0.347 \| good
2025-07-15T22:00:00.000Z	41 \| good	4.433 \| good	10.216 \| good	44.308 \| good	0.138 \| good	6.849 \| good	0.312 \| good
2025-07-15T23:00:00.000Z	44 \| good	4.753 \| good	14.321 \| good	47.481 \| good	0.138 \| good	7.658 \| good	0.304 \| good
2025-07-16T00:00:00.000Z	48 \| good	4.255 \| good	10.917 \| good	51.863 \| good	0.114 \| good	6.396 \| good	0.297 \| good
2025-07-16T01:00:00.000Z	41 \| good	4.743 \| good	14.376 \| good	44.16 \| good	0.208 \| good	6.723 \| good	0.297 \| good
2025-07-16T02:00:00.000Z	38 \| good	4.895 \| good	15.083 \| good	41.363 \| good	0.223 \| good	7.319 \| good	0.277 \| good
2025-07-16T03:00:00.000Z	44 \| good	7.856 \| good	34.243 \| good	39.082 \| good	0.93 \| good	7.399 \| good	0.234 \| good
2025-07-16T04:00:00.000Z	31 \| good	5.274 \| good	20.6 \| good	34.301 \| good	0.218 \| good	8.523 \| good	0.262 \| good
2025-07-16T05:00:00.000Z	30 \| good	5.365 \| good	19.247 \| good	31.602 \| good	0.777 \| good	5.985 \| good	0.263 \| good
2025-07-16T06:00:00.000Z	32 \| good	5.15 \| good	28.258 \| good	34.568 \| good	0.847 \| good	8.707 \| good	0.263 \| good
2025-07-16T07:00:00.000Z	27 \| good	5.414 \| good	16.766 \| good	27.162 \| good	0.314 \| good	8.346 \| good	0.263 \| good
2025-07-16T08:00:00.000Z	27 \| good	5.476 \| good	27.024 \| good	26.365 \| good	0.195 \| good	10.591 \| good	0.249 \| good
2025-07-16T09:00:00.000Z	33 \| good	5.662 \| good	20.378 \| good	24.052 \| good	0.157 \| good	13.103 \| good	0.262 \| good
2025-07-16T10:00:00.000Z	38 \| good	6.502 \| good	16.172 \| good	26.484 \| good	0.193 \| good	12.191 \| good	0.332 \| good
2025-07-16T11:00:00.000Z	38 \| good	7.317 \| good	28.445 \| good	24.723 \| good	0.198 \| good	13.206 \| good	0.36 \| good
2025-07-16T12:00:00.000Z	56 \| moderate	8.978 \| good	65.943 \| fine	28.203 \| good	0.157 \| good	9.84 \| good	0.346 \| good
2025-07-16T13:00:00.000Z	38 \| good	7.402 \| good	30.864 \| good	20.405 \| good	0.234 \| good	10.619 \| good	0.381 \| good
2025-07-16T14:00:00.000Z	38 \| good	7.002 \| good	20.638 \| good	26.93 \| good	0.209 \| good	12.027 \| good	0.312 \| good
2025-07-16T15:00:00.000Z	49 \| good	8.921 \| good	37.64 \| good	29.413 \| good	0.28 \| good	12.354 \| good	0.374 \| good
2025-07-16T16:00:00.000Z	49 \| good	8.979 \| good	48.638 \| good	37.236 \| good	0.201 \| good	10.325 \| good	0.403 \| good
2025-07-16T17:00:00.000Z	44 \| good	7.812 \| good	18.728 \| good	45.952 \| good	0.282 \| good	9.987 \| good	0.243 \| good
2025-07-16T18:00:00.000Z	51 \| moderate	7.275 \| good	35.713 \| good	54.986 \| good	0.198 \| good	8.537 \| good	0.278 \| good
2025-07-16T19:00:00.000Z	50 \| good	7.194 \| good	36.362 \| good	53.612 \| good	0.257 \| good	9.179 \| good	0.356 \| good
2025-07-16T20:00:00.000Z	48 \| good	7.848 \| good	30.926 \| good	52.447 \| good	0.908 \| good	8.785 \| good	0.374 \| good
2025-07-16T21:00:00.000Z	80 \| moderate	8.85 \| good	29.08 \| good	64.122 \| fine	0.485 \| good	8.528 \| good	0.243 \| good
2025-07-16T22:00:00.000Z	87 \| moderate	8.475 \| good	24.248 \| good	66.081 \| fine	0.511 \| good	9.659 \| good	0.277 \| good
2025-07-16T23:00:00.000Z	58 \| moderate	7.884 \| good	19.526 \| good	57.116 \| fine	0.207 \| good	7.662 \| good	0.277 \| good
2025-07-17T00:00:00.000Z	47 \| good	6.598 \| good	23.373 \| good	51.214 \| good	0.245 \| good	6.89 \| good	0.27 \| good
2025-07-17T01:00:00.000Z	44 \| good	7.943 \| good	22.974 \| good	45.302 \| good	0.262 \| good	6.075 \| good	0.277 \| good
2025-07-17T02:00:00.000Z	44 \| good	8.118 \| good	20.926 \| good	43.935 \| good	0.247 \| good	5.983 \| good	0.242 \| good
2025-07-17T03:00:00.000Z	44 \| good	7.708 \| good	19.784 \| good	36.044 \| good	0.279 \| good	5.91 \| good	0.235 \| good
2025-07-17T04:00:00.000Z	44 \| good	7.788 \| good	23.102 \| good	34.262 \| good	1.244 \| good	5.092 \| good	0.249 \| good
2025-07-17T05:00:00.000Z	44 \| good	8.068 \| good	19.416 \| good	31.87 \| good	1.629 \| good	4.833 \| good	0.249 \| good
2025-07-17T06:00:00.000Z	44 \| good	7.906 \| good	21.898 \| good	33.346 \| good	1.745 \| good	5.86 \| good	0.213 \| good
2025-07-17T07:00:00.000Z	44 \| good	8.229 \| good	17.052 \| good	26.302 \| good	1.562 \| good	6.217 \| good	0.207 \| good
2025-07-17T08:00:00.000Z	49 \| good	8.732 \| good	18.683 \| good	30.483 \| good	1.138 \| good	5.67 \| good	0.234 \| good
2025-07-17T09:00:00.000Z	49 \| good	9.231 \| good	20.494 \| good	27.921 \| good	1.263 \| good	9.685 \| good	0.227 \| good
2025-07-17T10:00:00.000Z	49 \| good	9.231 \| good	20.494 \| good	27.921 \| good	1.263 \| good	9.685 \| good	0.227 \| good
2025-07-17T07:00:00.000Z	49 \| good	8.699 \| good	38.247 \| good	28.127 \| good	1.931 \| good	7.416 \| good	0.215 \| good
2025-07-17T08:00:00.000Z	52 \| moderate	10.11 \| good	45.044 \| good	22.832 \| good	1.988 \| good	7.208 \| good	0.215 \| good
2025-07-17T09:00:00.000Z	49 \| good	9.133 \| good	40.73 \| good	22.802 \| good	2.045 \| good	7 \| good	0.214 \| good
2025-07-17T10:00:00.000Z	38 \| good	6.544 \| good	29.119 \| good	30.315 \| good	1.765 \| good	6.692 \| good	0.21 \| good
2025-07-17T11:00:00.000Z	30 \| good	4.97 \| good	21.226 \| good	31.831 \| good	1.486 \| good	6.385 \| good	0.206 \| good
2025-07-17T12:00:00.000Z	29 \| good	3.794 \| good	16.521 \| good	31.232 \| good	1.206 \| good	6.077 \| good	0.201 \| good
2025-07-17T13:00:00.000Z	29 \| good	3.573 \| good	16 \| good	30.644 \| good	1.005 \| good	4.97 \| good	0.199 \| good
2025-07-17T14:00:00.000Z	32 \| good	4.063 \| good	17.864 \| good	35.202 \| good	0.803 \| good	3.863 \| good	0.197 \| good
2025-07-17T15:00:00.000Z	44 \| good	5.483 \| good	23.83 \| good	47.837 \| good	0.601 \| good	2.755 \| good	0.195 \| good
2025-07-17T16:00:00.000Z	44 \| good	5.587 \| good	23.959 \| good	47.496 \| good	0.626 \| good	2.407 \| good	0.194 \| good
2025-07-17T17:00:00.000Z	40 \| good	4.865 \| good	21.019 \| good	42.679 \| good	0.651 \| good	2.059 \| good	0.194 \| good
2025-07-17T18:00:00.000Z	39 \| good	5.003 \| good	21.803 \| good	41.538 \| good	0.675 \| good	1.711 \| good	0.193 \| good
2025-07-17T19:00:00.000Z	39 \| good	5.584 \| good	24.065 \| good	42.196 \| good	0.683 \| good	1.774 \| good	0.196 \| good
2025-07-17T20:00:00.000Z	42 \| good	5.196 \| good	22.748 \| good	45.148 \| good	0.692 \| good	1.837 \| good	0.199 \| good
2025-07-17T21:00:00.000Z	43 \| good	5 \| good	21.849 \| good	45.569 \| good	0.7 \| good	1.9 \| good	0.203 \| good
2025-07-17T22:00:00.000Z	39 \| good	4.965 \| good	21.19 \| good	42.312 \| good	0.679 \| good	2.641 \| good	0.208 \| good
2025-07-17T23:00:00.000Z	36 \| good	4.056 \| good	17.801 \| good	39.021 \| good	0.657 \| good	3.383 \| good	0.213 \| good
2025-07-18T00:00:00.000Z	36 \| good	4.997 \| good	21.836 \| good	38.713 \| good	0.636 \| good	4.124 \| good	0.219 \| good
2025-07-18T01:00:00.000Z	38 \| good	5.666 \| good	24.204 \| good	40.585 \| good	0.867 \| good	4.118 \| good	0.217 \| good
2025-07-18T02:00:00.000Z	37 \| good	5.967 \| good	26.54 \| good	39.771 \| good	1.097 \| good	4.112 \| good	0.214 \| good
2025-07-18T03:00:00.000Z	34 \| good	5.391 \| good	22.94 \| good	36.821 \| good	1.328 \| good	4.106 \| good	0.212 \| good
2025-07-18T04:00:00.000Z	30 \| good	5.09 \| good	21.9 \| good	31.96 \| good	1.091 \| good	3.463 \| good	0.202 \| good
2025-07-18T05:00:00.000Z	27 \| good	5.125 \| good	22.142 \| good	29.088 \| good	0.854 \| good	2.82 \| good	0.193 \| good
2025-07-18T06:00:00.000Z	28 \| good	5.094 \| good	21.937 \| good	29.924 \| good	0.617 \| good	2.177 \| good	0.184 \| good
2025-07-18T07:00:00.000Z	25 \| good	4.184 \| good	18.106 \| good	27.493 \| good	0.51 \| good	1.908 \| good	0.172 \| good
2025-07-18T08:00:00.000Z	22 \| good	3.38 \| good	14.925 \| good	23.584 \| good	0.403 \| good	1.639 \| good	0.16 \| good
2025-07-18T09:00:00.000Z	22 \| good	3.582 \| good	15.87 \| good	19.349 \| good	0.296 \| good	1.37 \| good	0.148 \| good
2025-07-18T10:00:00.000Z	22 \| good	3.871 \| good	17.019 \| good	18.907 \| good	0.268 \| good	1.261 \| good	0.145 \| good
2025-07-18T11:00:00.000Z	22 \| good	3.807 \| good	16.849 \| good	18.572 \| good	0.239 \| good	1.151 \| good	0.141 \| good
2025-07-18T12:00:00.000Z	22 \| good	3.961 \| good	17.107 \| good	22.089 \| good	0.21 \| good	1.042 \| good	0.138 \| good
2025-07-18T13:00:00.000Z	22 \| good	4.091 \| good	18 \| good	24.394 \| good	0.218 \| good	0.964 \| good	0.137 \| good
2025-07-18T14:00:00.000Z	26 \| good	4.176 \| good	18.262 \| good	28.202 \| good	0.226 \| good	0.887 \| good	0.136 \| good
2025-07-18T15:00:00.000Z	29 \| good	4.219 \| good	18.863 \| good	31.156 \| good	0.234 \| good	0.809 \| good	0.135 \| good
2025-07-18T16:00:00.000Z	31 \| good	4.438 \| good	19.041 \| good	33.073 \| good	0.242 \| good	0.833 \| good	0.132 \| good
2025-07-18T17:00:00.000Z	31 \| good	3.946 \| good	17.159 \| good	32.599 \| good	0.25 \| good	0.857 \| good	0.129 \| good
2025-07-18T18:00:00.000Z	29 \| good	3.564 \| good	15.762 \| good	30.886 \| good	0.258 \| good	0.881 \| good	0.126 \| good
2025-07-18T19:00:00.000Z	26 \| good	2.657 \| good	10.771 \| good	28.385 \| good	0.259 \| good	0.914 \| good	0.127 \| good
2025-07-18T20:00:00.000Z	27 \| good	2.028 \| good	8.099 \| good	28.708 \| good	0.259 \| good	0.947 \| good	0.127 \| good
2025-07-18T21:00:00.000Z	27 \| good	2.103 \| good	8.665 \| good	28.889 \| good	0.26 \| good	0.98 \| good	0.127 \| good
2025-07-18T22:00:00.000Z	27 \| good	2.103 \| good	8.814 \| good	29.319 \| good	0.302 \| good	2.873 \| good	0.147 \| good
2025-07-18T23:00:00.000Z	27 \| good	1.747 \| good	7.062 \| good	28.636 \| good	0.345 \| good	4.766 \| good	0.167 \| good
2025-07-19T00:00:00.000Z	24 \| good	1.744 \| good	7.039 \| good	25.952 \| good	0.387 \| good	6.659 \| good	0.186 \| good
2025-07-19T01:00:00.000Z	24 \| good	1.445 \| good	5.899 \| good	25.797 \| good	0.449 \| good	8.96 \| good	0.212 \| good
2025-07-19T02:00:00.000Z	23 \| good	0.993 \| good	3.864 \| good	24.537 \| good	0.51 \| good	11.261 \| good	0.238 \| good
2025-07-19T03:00:00.000Z	21 \| good	0.399 \| good	1.214 \| good	23.232 \| good	0.572 \| good	13.561 \| good	0.264 \| good
2025-07-19T04:00:00.000Z	20 \| good	0.695 \| good	2.737 \| good	22.055 \| good	0.552 \| good	12.719 \| good	0.259 \| good
2025-07-19T05:00:00.000Z	19 \| good	0.937 \| good	3.784 \| good	19.542 \| good	0.531 \| good	11.877 \| good	0.255 \| good
2025-07-19T06:00:00.000Z	49 \| good	8.709 \| good	8.776 \| good	22.528 \| good	0.505 \| good	10.894 \| good	0.249 \| 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?