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

The current PM10 concentration at Bristol, Connecticut is 41.758 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Bristol, Connecticut is 0.286 ppb.

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

The current ozone (O3) concentration at Bristol, Connecticut is 35.111 ppm.

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

The current nitrogen dioxide (NO2) concentration at Bristol, Connecticut is 4.876 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 11.614 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)

11.61 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

41.76 μg/m³

155

255

425

605+

Ozone (O₃)

35.11 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.88 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.18 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
2026-06-27T20:00:00.000Z	42 \| good	6.518 \| good	11.574 \| good	44.769 \| good	0.244 \| good	8.989 \| good	0.196 \| good
2026-06-27T21:00:00.000Z	39 \| good	6.387 \| good	10.585 \| good	42.317 \| good	0.273 \| good	8.285 \| good	0.159 \| good
2026-06-27T22:00:00.000Z	38 \| good	6.212 \| good	10.519 \| good	41.192 \| good	0.331 \| good	10.952 \| good	0.185 \| good
2026-06-27T23:00:00.000Z	38 \| good	6.272 \| good	10.508 \| good	41.445 \| good	0.263 \| good	8.397 \| good	0.222 \| good
2026-06-28T00:00:00.000Z	40 \| good	6.263 \| good	10.684 \| good	43.154 \| good	0.197 \| good	8.106 \| good	0.272 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.637 \| good	11.283 \| good	39.598 \| good	0.233 \| good	9.284 \| good	0.235 \| good
2026-06-28T02:00:00.000Z	44 \| good	8.241 \| good	13.867 \| good	39.491 \| good	0.177 \| good	11.657 \| good	0.268 \| good
2026-06-28T03:00:00.000Z	67 \| moderate	18.123 \| fine	79.769 \| fine	41.338 \| good	0.323 \| good	11.236 \| good	0.264 \| good
2026-06-28T04:00:00.000Z	49 \| good	8.83 \| good	15.684 \| good	35.49 \| good	0.258 \| good	11.476 \| good	0.299 \| good
2026-06-28T05:00:00.000Z	49 \| good	9.215 \| good	15.814 \| good	28.737 \| good	0.21 \| good	11.314 \| good	0.328 \| good
2026-06-28T06:00:00.000Z	49 \| good	9.181 \| good	16.457 \| good	19.327 \| good	0.195 \| good	9.541 \| good	0.335 \| good
2026-06-28T07:00:00.000Z	49 \| good	9.179 \| good	16.66 \| good	19.43 \| good	0.317 \| good	8.646 \| good	0.309 \| good
2026-06-28T08:00:00.000Z	49 \| good	9.239 \| good	16.349 \| good	18.119 \| good	0.212 \| good	11.406 \| good	0.309 \| good
2026-06-28T09:00:00.000Z	49 \| good	9.268 \| good	16.6 \| good	19.578 \| good	0.325 \| good	10.108 \| good	0.272 \| good
2026-06-28T10:00:00.000Z	49 \| good	8.865 \| good	15.434 \| good	16.45 \| good	0.297 \| good	9.886 \| good	0.242 \| good
2026-06-28T11:00:00.000Z	49 \| good	8.802 \| good	15.321 \| good	15.26 \| good	0.324 \| good	7.467 \| good	0.272 \| good
2026-06-28T12:00:00.000Z	49 \| good	8.62 \| good	14.455 \| good	13.56 \| good	0.347 \| good	8.036 \| good	0.24 \| good
2026-06-28T13:00:00.000Z	49 \| good	8.674 \| good	14.76 \| good	14.053 \| good	0.517 \| good	5.477 \| good	0.205 \| good
2026-06-28T14:00:00.000Z	49 \| good	8.647 \| good	14.307 \| good	18.953 \| good	0.218 \| good	4.354 \| good	0.195 \| good
2026-06-28T15:00:00.000Z	44 \| good	8.049 \| good	13.3 \| good	21.341 \| good	0.244 \| good	3.763 \| good	0.17 \| good
2026-06-28T16:00:00.000Z	44 \| good	7.938 \| good	12.174 \| good	30.364 \| good	0.326 \| good	4.933 \| good	0.207 \| good
2026-06-28T17:00:00.000Z	44 \| good	8.006 \| good	11.833 \| good	32.233 \| good	0.218 \| good	5.586 \| good	0.17 \| good
2026-06-28T18:00:00.000Z	44 \| good	8.203 \| good	12.979 \| good	40.184 \| good	0.207 \| good	5.116 \| good	0.195 \| good
2026-06-28T19:00:00.000Z	44 \| good	8.124 \| good	11.698 \| good	37.881 \| good	0.284 \| good	3.524 \| good	0.232 \| good
2026-06-28T20:00:00.000Z	44 \| good	8.27 \| good	12.471 \| good	38.185 \| good	0.328 \| good	3.274 \| good	0.195 \| good
2026-06-28T21:00:00.000Z	49 \| good	8.549 \| good	12.754 \| good	45.057 \| good	0.356 \| good	4.515 \| good	0.195 \| good
2026-06-28T22:00:00.000Z	49 \| good	8.544 \| good	12.625 \| good	47.713 \| good	0.319 \| good	5.431 \| good	0.215 \| good
2026-06-28T23:00:00.000Z	50 \| good	8.351 \| good	12.513 \| good	54.112 \| good	0.288 \| good	6.364 \| good	0.189 \| good
2026-06-29T00:00:00.000Z	47 \| good	7.672 \| good	11.578 \| good	50.735 \| good	0.289 \| good	5.011 \| good	0.216 \| good
2026-06-29T01:00:00.000Z	44 \| good	7.602 \| good	14.08 \| good	47.257 \| good	0.31 \| good	6.702 \| good	0.189 \| good
2026-06-29T02:00:00.000Z	44 \| good	7.895 \| good	16.421 \| good	46.497 \| good	0.36 \| good	6.778 \| good	0.189 \| good
2026-06-29T03:00:00.000Z	62 \| moderate	14.703 \| fine	65.985 \| fine	40.126 \| good	0.321 \| good	8.97 \| good	0.24 \| good
2026-06-29T04:00:00.000Z	44 \| good	8.114 \| good	17.268 \| good	42.35 \| good	0.359 \| good	7.482 \| good	0.216 \| good
2026-06-29T05:00:00.000Z	44 \| good	7.873 \| good	16.787 \| good	40.996 \| good	0.378 \| good	8.937 \| good	0.183 \| good
2026-06-29T06:00:00.000Z	44 \| good	7.66 \| good	15.045 \| good	33.522 \| good	0.282 \| good	8.707 \| good	0.187 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.619 \| good	15.41 \| good	29.46 \| good	0.452 \| good	9.96 \| good	0.196 \| good
2026-06-29T08:00:00.000Z	44 \| good	7.544 \| good	14.378 \| good	27.087 \| good	0.281 \| good	12.525 \| good	0.187 \| good
2026-06-29T09:00:00.000Z	44 \| good	7.507 \| good	14.679 \| good	26.453 \| good	0.284 \| good	11.151 \| good	0.18 \| good
2026-06-29T10:00:00.000Z	44 \| good	7.895 \| good	16.355 \| good	22.604 \| good	0.161 \| good	8.142 \| good	0.186 \| good
2026-06-29T11:00:00.000Z	44 \| good	8.092 \| good	17.215 \| good	20.856 \| good	0.297 \| good	11.25 \| good	0.22 \| good
2026-06-29T12:00:00.000Z	44 \| good	7.953 \| good	21.482 \| good	18.945 \| good	0.259 \| good	9.402 \| good	0.208 \| good
2026-06-29T13:00:00.000Z	44 \| good	7.695 \| good	21.174 \| good	17.834 \| good	0.369 \| good	7.001 \| good	0.233 \| good
2026-06-29T14:00:00.000Z	49 \| good	8.689 \| good	19.972 \| good	23.948 \| good	0.365 \| good	4.709 \| good	0.177 \| good
2026-06-29T15:00:00.000Z	49 \| good	9.24 \| good	18.108 \| good	31.15 \| good	0.282 \| good	5.621 \| good	0.171 \| good
2026-06-29T16:00:00.000Z	52 \| moderate	10.46 \| good	17.707 \| good	28.91 \| good	0.254 \| good	6.235 \| good	0.19 \| good
2026-06-29T17:00:00.000Z	54 \| moderate	11.231 \| good	22.581 \| good	32.362 \| good	0.287 \| good	4.614 \| good	0.2 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	11.842 \| good	22.109 \| good	36.092 \| good	0.314 \| good	6.275 \| good	0.2 \| good
2026-06-29T19:00:00.000Z	56 \| moderate	12.375 \| fine	28.623 \| good	36.641 \| good	0.26 \| good	6.303 \| good	0.17 \| good
2026-06-29T19:00:00.000Z	56 \| moderate	11.614 \| good	41.758 \| good	35.111 \| good	0.286 \| good	4.876 \| good	0.182 \| good
2026-06-29T20:00:00.000Z	32 \| good	3.351 \| good	14.577 \| good	35.381 \| good	0.194 \| good	0.704 \| good	0.149 \| good
2026-06-29T21:00:00.000Z	33 \| good	2.84 \| good	11.655 \| good	35.523 \| good	0.193 \| good	0.89 \| good	0.153 \| good
2026-06-29T22:00:00.000Z	33 \| good	4.171 \| good	18.347 \| good	35.733 \| good	0.191 \| good	1.601 \| good	0.165 \| good
2026-06-29T23:00:00.000Z	37 \| good	6.273 \| good	27.916 \| good	40.484 \| good	0.196 \| good	2.564 \| good	0.184 \| good
2026-06-30T00:00:00.000Z	49 \| good	9.255 \| good	41.113 \| good	46.055 \| good	0.225 \| good	3.944 \| good	0.196 \| good
2026-06-30T01:00:00.000Z	54 \| moderate	10.713 \| good	47.448 \| good	44.512 \| good	0.285 \| good	6.895 \| good	0.218 \| good
2026-06-30T02:00:00.000Z	58 \| moderate	12.684 \| fine	57.352 \| fine	39.952 \| good	0.338 \| good	6.783 \| good	0.209 \| good
2026-06-30T03:00:00.000Z	58 \| moderate	13.469 \| fine	60.561 \| fine	36.315 \| good	0.415 \| good	6.485 \| good	0.195 \| good
2026-06-30T04:00:00.000Z	58 \| moderate	13.036 \| fine	58.949 \| fine	32.489 \| good	0.497 \| good	6.903 \| good	0.188 \| good
2026-06-30T05:00:00.000Z	54 \| moderate	11.394 \| good	50.517 \| good	28.451 \| good	0.56 \| good	7.253 \| good	0.181 \| good
2026-06-30T06:00:00.000Z	54 \| moderate	11.375 \| good	50.567 \| good	26.01 \| good	0.619 \| good	7.747 \| good	0.175 \| good
2026-06-30T07:00:00.000Z	54 \| moderate	11.323 \| good	50.22 \| good	22.874 \| good	0.665 \| good	8.239 \| good	0.172 \| good
2026-06-30T08:00:00.000Z	54 \| moderate	11.442 \| good	50.687 \| good	20.767 \| good	0.697 \| good	8.738 \| good	0.172 \| good
2026-06-30T09:00:00.000Z	58 \| moderate	12.604 \| fine	56.881 \| fine	20.286 \| good	0.712 \| good	9.198 \| good	0.175 \| good
2026-06-30T10:00:00.000Z	60 \| moderate	13.627 \| fine	61.507 \| fine	18.425 \| good	0.71 \| good	9.547 \| good	0.181 \| good
2026-06-30T11:00:00.000Z	62 \| moderate	15.246 \| fine	67.983 \| fine	22.728 \| good	0.646 \| good	7.723 \| good	0.188 \| good
2026-06-30T12:00:00.000Z	60 \| moderate	13.646 \| fine	61.877 \| fine	31.807 \| good	0.613 \| good	5.494 \| good	0.196 \| good
2026-06-30T13:00:00.000Z	56 \| moderate	12.474 \| fine	56.211 \| fine	40.889 \| good	0.624 \| good	3.566 \| good	0.199 \| good
2026-06-30T14:00:00.000Z	58 \| moderate	12.589 \| fine	57 \| fine	48.704 \| good	0.603 \| good	2.225 \| good	0.196 \| good
2026-06-30T15:00:00.000Z	56 \| moderate	12.426 \| fine	56.355 \| fine	53.755 \| good	0.575 \| good	1.529 \| good	0.184 \| good
2026-06-30T16:00:00.000Z	56 \| moderate	12.039 \| good	53.647 \| good	56.32 \| fine	0.52 \| good	1.225 \| good	0.174 \| good
2026-06-30T17:00:00.000Z	58 \| moderate	11.739 \| good	52.204 \| good	57.1 \| fine	0.487 \| good	1.073 \| good	0.17 \| good
2026-06-30T18:00:00.000Z	77 \| moderate	11.859 \| good	52.894 \| good	63.208 \| fine	0.485 \| good	1.008 \| good	0.168 \| good
2026-06-30T19:00:00.000Z	97 \| moderate	13.265 \| fine	59.421 \| fine	69.478 \| fine	0.501 \| good	0.987 \| good	0.166 \| good
2026-06-30T20:00:00.000Z	105 \| sensitive	12.566 \| fine	57.085 \| fine	71.693 \| moderate	0.505 \| good	1.041 \| good	0.163 \| good
2026-06-30T21:00:00.000Z	87 \| moderate	9.283 \| good	41.346 \| good	65.599 \| fine	0.494 \| good	1.193 \| good	0.16 \| good
2026-06-30T22:00:00.000Z	51 \| moderate	7.497 \| good	33.107 \| good	54.932 \| good	0.457 \| good	1.644 \| good	0.162 \| good
2026-06-30T23:00:00.000Z	43 \| good	5.708 \| good	25.096 \| good	46.185 \| good	0.414 \| good	2.4 \| good	0.164 \| good
2026-07-01T00:00:00.000Z	40 \| good	5.829 \| good	25.622 \| good	43.291 \| good	0.379 \| good	3.207 \| good	0.162 \| good
2026-07-01T01:00:00.000Z	35 \| good	6.444 \| good	28.84 \| good	38.241 \| good	0.372 \| good	4.12 \| good	0.16 \| good
2026-07-01T02:00:00.000Z	44 \| good	7.954 \| good	34.902 \| good	34.719 \| good	0.394 \| good	4.944 \| good	0.159 \| good
2026-07-01T03:00:00.000Z	52 \| moderate	10.447 \| good	46.124 \| good	31.448 \| good	0.441 \| good	5.792 \| good	0.158 \| good
2026-07-01T04:00:00.000Z	58 \| moderate	12.742 \| fine	57.305 \| fine	28.363 \| good	0.487 \| good	6.495 \| good	0.16 \| good
2026-07-01T05:00:00.000Z	58 \| moderate	12.731 \| fine	57.267 \| fine	28.969 \| good	0.516 \| good	6.721 \| good	0.161 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	11.36 \| good	50.203 \| good	28.246 \| good	0.532 \| good	6.504 \| good	0.158 \| good
2026-07-01T07:00:00.000Z	52 \| moderate	9.954 \| good	44.319 \| good	26.119 \| good	0.543 \| good	5.668 \| good	0.151 \| good
2026-07-01T08:00:00.000Z	52 \| moderate	9.521 \| good	42.465 \| good	24.357 \| good	0.542 \| good	4.991 \| good	0.146 \| good
2026-07-01T09:00:00.000Z	49 \| good	8.818 \| good	38.816 \| good	21.251 \| good	0.535 \| good	4.727 \| good	0.144 \| good
2026-07-01T10:00:00.000Z	49 \| good	8.917 \| good	39.518 \| good	22.446 \| good	0.521 \| good	4.641 \| good	0.144 \| good
2026-07-01T11:00:00.000Z	49 \| good	9.283 \| good	41.484 \| good	27.777 \| good	0.495 \| good	4.02 \| good	0.148 \| good
2026-07-01T12:00:00.000Z	52 \| moderate	9.553 \| good	42.674 \| good	35.514 \| good	0.496 \| good	3.401 \| good	0.156 \| good
2026-07-01T13:00:00.000Z	58 \| moderate	12.582 \| fine	56.898 \| fine	43.804 \| good	0.531 \| good	2.56 \| good	0.167 \| good
2026-07-01T14:00:00.000Z	66 \| moderate	16.827 \| fine	74.911 \| fine	48.572 \| good	0.555 \| good	1.831 \| good	0.177 \| good
2026-07-01T15:00:00.000Z	73 \| moderate	20.948 \| fine	91.763 \| fine	50.582 \| good	0.583 \| good	1.458 \| good	0.185 \| good
2026-07-01T16:00:00.000Z	77 \| moderate	23.267 \| fine	101.746 \| fine	50.567 \| good	0.619 \| good	1.258 \| good	0.193 \| good
2026-07-01T17:00:00.000Z	77 \| moderate	23.415 \| fine	102.762 \| fine	49.296 \| good	0.647 \| good	1.093 \| good	0.194 \| good
2026-07-01T18:00:00.000Z	77 \| moderate	22.872 \| fine	100.384 \| fine	47.805 \| good	0.623 \| good	0.954 \| good	0.189 \| good
2026-07-01T19:00:00.000Z	77 \| moderate	23 \| fine	101.177 \| fine	47.914 \| good	0.573 \| good	0.924 \| good	0.185 \| good

Bristol

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Bristol, Connecticut air quality map: Track AQI near you

0.16ppm

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 03:00:00 on 2026-06-29.

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 01:00:00 on 2026-06-29.

What is the current air quality in Bristol, Connecticut?

The current air quality in Bristol, Connecticut is 56, 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 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 11.614 μg/m³.

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

The current PM₁₀ concentration at Bristol, Connecticut is 41.758 μg/m³.

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

The current carbon monoxide (CO) concentration at Bristol, Connecticut is 0.182 ppm.

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

The current sulfur dioxide (SO₂) concentration at Bristol, Connecticut is 0.286 ppb.

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

The current ozone (O₃) concentration at Bristol, Connecticut is 35.111 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Bristol, Connecticut is 4.876 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-27T20:00:00.000Z	42 \| good	6.518 \| good	11.574 \| good	44.769 \| good	0.244 \| good	8.989 \| good	0.196 \| good
2026-06-27T21:00:00.000Z	39 \| good	6.387 \| good	10.585 \| good	42.317 \| good	0.273 \| good	8.285 \| good	0.159 \| good
2026-06-27T22:00:00.000Z	38 \| good	6.212 \| good	10.519 \| good	41.192 \| good	0.331 \| good	10.952 \| good	0.185 \| good
2026-06-27T23:00:00.000Z	38 \| good	6.272 \| good	10.508 \| good	41.445 \| good	0.263 \| good	8.397 \| good	0.222 \| good
2026-06-28T00:00:00.000Z	40 \| good	6.263 \| good	10.684 \| good	43.154 \| good	0.197 \| good	8.106 \| good	0.272 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.637 \| good	11.283 \| good	39.598 \| good	0.233 \| good	9.284 \| good	0.235 \| good
2026-06-28T02:00:00.000Z	44 \| good	8.241 \| good	13.867 \| good	39.491 \| good	0.177 \| good	11.657 \| good	0.268 \| good
2026-06-28T03:00:00.000Z	67 \| moderate	18.123 \| fine	79.769 \| fine	41.338 \| good	0.323 \| good	11.236 \| good	0.264 \| good
2026-06-28T04:00:00.000Z	49 \| good	8.83 \| good	15.684 \| good	35.49 \| good	0.258 \| good	11.476 \| good	0.299 \| good
2026-06-28T05:00:00.000Z	49 \| good	9.215 \| good	15.814 \| good	28.737 \| good	0.21 \| good	11.314 \| good	0.328 \| good
2026-06-28T06:00:00.000Z	49 \| good	9.181 \| good	16.457 \| good	19.327 \| good	0.195 \| good	9.541 \| good	0.335 \| good
2026-06-28T07:00:00.000Z	49 \| good	9.179 \| good	16.66 \| good	19.43 \| good	0.317 \| good	8.646 \| good	0.309 \| good
2026-06-28T08:00:00.000Z	49 \| good	9.239 \| good	16.349 \| good	18.119 \| good	0.212 \| good	11.406 \| good	0.309 \| good
2026-06-28T09:00:00.000Z	49 \| good	9.268 \| good	16.6 \| good	19.578 \| good	0.325 \| good	10.108 \| good	0.272 \| good
2026-06-28T10:00:00.000Z	49 \| good	8.865 \| good	15.434 \| good	16.45 \| good	0.297 \| good	9.886 \| good	0.242 \| good
2026-06-28T11:00:00.000Z	49 \| good	8.802 \| good	15.321 \| good	15.26 \| good	0.324 \| good	7.467 \| good	0.272 \| good
2026-06-28T12:00:00.000Z	49 \| good	8.62 \| good	14.455 \| good	13.56 \| good	0.347 \| good	8.036 \| good	0.24 \| good
2026-06-28T13:00:00.000Z	49 \| good	8.674 \| good	14.76 \| good	14.053 \| good	0.517 \| good	5.477 \| good	0.205 \| good
2026-06-28T14:00:00.000Z	49 \| good	8.647 \| good	14.307 \| good	18.953 \| good	0.218 \| good	4.354 \| good	0.195 \| good
2026-06-28T15:00:00.000Z	44 \| good	8.049 \| good	13.3 \| good	21.341 \| good	0.244 \| good	3.763 \| good	0.17 \| good
2026-06-28T16:00:00.000Z	44 \| good	7.938 \| good	12.174 \| good	30.364 \| good	0.326 \| good	4.933 \| good	0.207 \| good
2026-06-28T17:00:00.000Z	44 \| good	8.006 \| good	11.833 \| good	32.233 \| good	0.218 \| good	5.586 \| good	0.17 \| good
2026-06-28T18:00:00.000Z	44 \| good	8.203 \| good	12.979 \| good	40.184 \| good	0.207 \| good	5.116 \| good	0.195 \| good
2026-06-28T19:00:00.000Z	44 \| good	8.124 \| good	11.698 \| good	37.881 \| good	0.284 \| good	3.524 \| good	0.232 \| good
2026-06-28T20:00:00.000Z	44 \| good	8.27 \| good	12.471 \| good	38.185 \| good	0.328 \| good	3.274 \| good	0.195 \| good
2026-06-28T21:00:00.000Z	49 \| good	8.549 \| good	12.754 \| good	45.057 \| good	0.356 \| good	4.515 \| good	0.195 \| good
2026-06-28T22:00:00.000Z	49 \| good	8.544 \| good	12.625 \| good	47.713 \| good	0.319 \| good	5.431 \| good	0.215 \| good
2026-06-28T23:00:00.000Z	50 \| good	8.351 \| good	12.513 \| good	54.112 \| good	0.288 \| good	6.364 \| good	0.189 \| good
2026-06-29T00:00:00.000Z	47 \| good	7.672 \| good	11.578 \| good	50.735 \| good	0.289 \| good	5.011 \| good	0.216 \| good
2026-06-29T01:00:00.000Z	44 \| good	7.602 \| good	14.08 \| good	47.257 \| good	0.31 \| good	6.702 \| good	0.189 \| good
2026-06-29T02:00:00.000Z	44 \| good	7.895 \| good	16.421 \| good	46.497 \| good	0.36 \| good	6.778 \| good	0.189 \| good
2026-06-29T03:00:00.000Z	62 \| moderate	14.703 \| fine	65.985 \| fine	40.126 \| good	0.321 \| good	8.97 \| good	0.24 \| good
2026-06-29T04:00:00.000Z	44 \| good	8.114 \| good	17.268 \| good	42.35 \| good	0.359 \| good	7.482 \| good	0.216 \| good
2026-06-29T05:00:00.000Z	44 \| good	7.873 \| good	16.787 \| good	40.996 \| good	0.378 \| good	8.937 \| good	0.183 \| good
2026-06-29T06:00:00.000Z	44 \| good	7.66 \| good	15.045 \| good	33.522 \| good	0.282 \| good	8.707 \| good	0.187 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.619 \| good	15.41 \| good	29.46 \| good	0.452 \| good	9.96 \| good	0.196 \| good
2026-06-29T08:00:00.000Z	44 \| good	7.544 \| good	14.378 \| good	27.087 \| good	0.281 \| good	12.525 \| good	0.187 \| good
2026-06-29T09:00:00.000Z	44 \| good	7.507 \| good	14.679 \| good	26.453 \| good	0.284 \| good	11.151 \| good	0.18 \| good
2026-06-29T10:00:00.000Z	44 \| good	7.895 \| good	16.355 \| good	22.604 \| good	0.161 \| good	8.142 \| good	0.186 \| good
2026-06-29T11:00:00.000Z	44 \| good	8.092 \| good	17.215 \| good	20.856 \| good	0.297 \| good	11.25 \| good	0.22 \| good
2026-06-29T12:00:00.000Z	44 \| good	7.953 \| good	21.482 \| good	18.945 \| good	0.259 \| good	9.402 \| good	0.208 \| good
2026-06-29T13:00:00.000Z	44 \| good	7.695 \| good	21.174 \| good	17.834 \| good	0.369 \| good	7.001 \| good	0.233 \| good
2026-06-29T14:00:00.000Z	49 \| good	8.689 \| good	19.972 \| good	23.948 \| good	0.365 \| good	4.709 \| good	0.177 \| good
2026-06-29T15:00:00.000Z	49 \| good	9.24 \| good	18.108 \| good	31.15 \| good	0.282 \| good	5.621 \| good	0.171 \| good
2026-06-29T16:00:00.000Z	52 \| moderate	10.46 \| good	17.707 \| good	28.91 \| good	0.254 \| good	6.235 \| good	0.19 \| good
2026-06-29T17:00:00.000Z	54 \| moderate	11.231 \| good	22.581 \| good	32.362 \| good	0.287 \| good	4.614 \| good	0.2 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	11.842 \| good	22.109 \| good	36.092 \| good	0.314 \| good	6.275 \| good	0.2 \| good
2026-06-29T19:00:00.000Z	56 \| moderate	12.375 \| fine	28.623 \| good	36.641 \| good	0.26 \| good	6.303 \| good	0.17 \| good
2026-06-29T19:00:00.000Z	56 \| moderate	11.614 \| good	41.758 \| good	35.111 \| good	0.286 \| good	4.876 \| good	0.182 \| good
2026-06-29T20:00:00.000Z	32 \| good	3.351 \| good	14.577 \| good	35.381 \| good	0.194 \| good	0.704 \| good	0.149 \| good
2026-06-29T21:00:00.000Z	33 \| good	2.84 \| good	11.655 \| good	35.523 \| good	0.193 \| good	0.89 \| good	0.153 \| good
2026-06-29T22:00:00.000Z	33 \| good	4.171 \| good	18.347 \| good	35.733 \| good	0.191 \| good	1.601 \| good	0.165 \| good
2026-06-29T23:00:00.000Z	37 \| good	6.273 \| good	27.916 \| good	40.484 \| good	0.196 \| good	2.564 \| good	0.184 \| good
2026-06-30T00:00:00.000Z	49 \| good	9.255 \| good	41.113 \| good	46.055 \| good	0.225 \| good	3.944 \| good	0.196 \| good
2026-06-30T01:00:00.000Z	54 \| moderate	10.713 \| good	47.448 \| good	44.512 \| good	0.285 \| good	6.895 \| good	0.218 \| good
2026-06-30T02:00:00.000Z	58 \| moderate	12.684 \| fine	57.352 \| fine	39.952 \| good	0.338 \| good	6.783 \| good	0.209 \| good
2026-06-30T03:00:00.000Z	58 \| moderate	13.469 \| fine	60.561 \| fine	36.315 \| good	0.415 \| good	6.485 \| good	0.195 \| good
2026-06-30T04:00:00.000Z	58 \| moderate	13.036 \| fine	58.949 \| fine	32.489 \| good	0.497 \| good	6.903 \| good	0.188 \| good
2026-06-30T05:00:00.000Z	54 \| moderate	11.394 \| good	50.517 \| good	28.451 \| good	0.56 \| good	7.253 \| good	0.181 \| good
2026-06-30T06:00:00.000Z	54 \| moderate	11.375 \| good	50.567 \| good	26.01 \| good	0.619 \| good	7.747 \| good	0.175 \| good
2026-06-30T07:00:00.000Z	54 \| moderate	11.323 \| good	50.22 \| good	22.874 \| good	0.665 \| good	8.239 \| good	0.172 \| good
2026-06-30T08:00:00.000Z	54 \| moderate	11.442 \| good	50.687 \| good	20.767 \| good	0.697 \| good	8.738 \| good	0.172 \| good
2026-06-30T09:00:00.000Z	58 \| moderate	12.604 \| fine	56.881 \| fine	20.286 \| good	0.712 \| good	9.198 \| good	0.175 \| good
2026-06-30T10:00:00.000Z	60 \| moderate	13.627 \| fine	61.507 \| fine	18.425 \| good	0.71 \| good	9.547 \| good	0.181 \| good
2026-06-30T11:00:00.000Z	62 \| moderate	15.246 \| fine	67.983 \| fine	22.728 \| good	0.646 \| good	7.723 \| good	0.188 \| good
2026-06-30T12:00:00.000Z	60 \| moderate	13.646 \| fine	61.877 \| fine	31.807 \| good	0.613 \| good	5.494 \| good	0.196 \| good
2026-06-30T13:00:00.000Z	56 \| moderate	12.474 \| fine	56.211 \| fine	40.889 \| good	0.624 \| good	3.566 \| good	0.199 \| good
2026-06-30T14:00:00.000Z	58 \| moderate	12.589 \| fine	57 \| fine	48.704 \| good	0.603 \| good	2.225 \| good	0.196 \| good
2026-06-30T15:00:00.000Z	56 \| moderate	12.426 \| fine	56.355 \| fine	53.755 \| good	0.575 \| good	1.529 \| good	0.184 \| good
2026-06-30T16:00:00.000Z	56 \| moderate	12.039 \| good	53.647 \| good	56.32 \| fine	0.52 \| good	1.225 \| good	0.174 \| good
2026-06-30T17:00:00.000Z	58 \| moderate	11.739 \| good	52.204 \| good	57.1 \| fine	0.487 \| good	1.073 \| good	0.17 \| good
2026-06-30T18:00:00.000Z	77 \| moderate	11.859 \| good	52.894 \| good	63.208 \| fine	0.485 \| good	1.008 \| good	0.168 \| good
2026-06-30T19:00:00.000Z	97 \| moderate	13.265 \| fine	59.421 \| fine	69.478 \| fine	0.501 \| good	0.987 \| good	0.166 \| good
2026-06-30T20:00:00.000Z	105 \| sensitive	12.566 \| fine	57.085 \| fine	71.693 \| moderate	0.505 \| good	1.041 \| good	0.163 \| good
2026-06-30T21:00:00.000Z	87 \| moderate	9.283 \| good	41.346 \| good	65.599 \| fine	0.494 \| good	1.193 \| good	0.16 \| good
2026-06-30T22:00:00.000Z	51 \| moderate	7.497 \| good	33.107 \| good	54.932 \| good	0.457 \| good	1.644 \| good	0.162 \| good
2026-06-30T23:00:00.000Z	43 \| good	5.708 \| good	25.096 \| good	46.185 \| good	0.414 \| good	2.4 \| good	0.164 \| good
2026-07-01T00:00:00.000Z	40 \| good	5.829 \| good	25.622 \| good	43.291 \| good	0.379 \| good	3.207 \| good	0.162 \| good
2026-07-01T01:00:00.000Z	35 \| good	6.444 \| good	28.84 \| good	38.241 \| good	0.372 \| good	4.12 \| good	0.16 \| good
2026-07-01T02:00:00.000Z	44 \| good	7.954 \| good	34.902 \| good	34.719 \| good	0.394 \| good	4.944 \| good	0.159 \| good
2026-07-01T03:00:00.000Z	52 \| moderate	10.447 \| good	46.124 \| good	31.448 \| good	0.441 \| good	5.792 \| good	0.158 \| good
2026-07-01T04:00:00.000Z	58 \| moderate	12.742 \| fine	57.305 \| fine	28.363 \| good	0.487 \| good	6.495 \| good	0.16 \| good
2026-07-01T05:00:00.000Z	58 \| moderate	12.731 \| fine	57.267 \| fine	28.969 \| good	0.516 \| good	6.721 \| good	0.161 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	11.36 \| good	50.203 \| good	28.246 \| good	0.532 \| good	6.504 \| good	0.158 \| good
2026-07-01T07:00:00.000Z	52 \| moderate	9.954 \| good	44.319 \| good	26.119 \| good	0.543 \| good	5.668 \| good	0.151 \| good
2026-07-01T08:00:00.000Z	52 \| moderate	9.521 \| good	42.465 \| good	24.357 \| good	0.542 \| good	4.991 \| good	0.146 \| good
2026-07-01T09:00:00.000Z	49 \| good	8.818 \| good	38.816 \| good	21.251 \| good	0.535 \| good	4.727 \| good	0.144 \| good
2026-07-01T10:00:00.000Z	49 \| good	8.917 \| good	39.518 \| good	22.446 \| good	0.521 \| good	4.641 \| good	0.144 \| good
2026-07-01T11:00:00.000Z	49 \| good	9.283 \| good	41.484 \| good	27.777 \| good	0.495 \| good	4.02 \| good	0.148 \| good
2026-07-01T12:00:00.000Z	52 \| moderate	9.553 \| good	42.674 \| good	35.514 \| good	0.496 \| good	3.401 \| good	0.156 \| good
2026-07-01T13:00:00.000Z	58 \| moderate	12.582 \| fine	56.898 \| fine	43.804 \| good	0.531 \| good	2.56 \| good	0.167 \| good
2026-07-01T14:00:00.000Z	66 \| moderate	16.827 \| fine	74.911 \| fine	48.572 \| good	0.555 \| good	1.831 \| good	0.177 \| good
2026-07-01T15:00:00.000Z	73 \| moderate	20.948 \| fine	91.763 \| fine	50.582 \| good	0.583 \| good	1.458 \| good	0.185 \| good
2026-07-01T16:00:00.000Z	77 \| moderate	23.267 \| fine	101.746 \| fine	50.567 \| good	0.619 \| good	1.258 \| good	0.193 \| good
2026-07-01T17:00:00.000Z	77 \| moderate	23.415 \| fine	102.762 \| fine	49.296 \| good	0.647 \| good	1.093 \| good	0.194 \| good
2026-07-01T18:00:00.000Z	77 \| moderate	22.872 \| fine	100.384 \| fine	47.805 \| good	0.623 \| good	0.954 \| good	0.189 \| good
2026-07-01T19:00:00.000Z	77 \| moderate	23 \| fine	101.177 \| fine	47.914 \| good	0.573 \| good	0.924 \| good	0.185 \| 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)

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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?