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

The current PM10 concentration at Bristol, Connecticut is 41.068 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Bristol, Connecticut is 0.539 ppb.

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

The current ozone (O3) concentration at Bristol, Connecticut is 52.383 ppm.

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

The current nitrogen dioxide (NO2) concentration at Bristol, Connecticut is 10.704 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)

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)

11.24 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.14 μg/m³

155

255

425

605+

Ozone (O₃)

12.63 ppb

201

201+

Sulfur Dioxide (SO₂)

0.19 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.68 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 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
2025-07-28T12:00:00.000Z	64 \| moderate	15.637 \| fine	80.336 \| fine	20.415 \| good	0.242 \| good	9.047 \| good	0.258 \| good
2025-07-28T13:00:00.000Z	73 \| moderate	20.916 \| fine	82.333 \| fine	20.791 \| good	0.254 \| good	7.274 \| good	0.258 \| good
2025-07-28T14:00:00.000Z	60 \| moderate	13.8 \| fine	32.85 \| good	18.058 \| good	0.304 \| good	4.387 \| good	0.25 \| good
2025-07-28T15:00:00.000Z	63 \| moderate	15.313 \| fine	79.939 \| fine	24.369 \| good	0.236 \| good	3.907 \| good	0.25 \| good
2025-07-28T16:00:00.000Z	56 \| moderate	10.724 \| good	66.059 \| fine	26.287 \| good	0.255 \| good	3.267 \| good	0.181 \| good
2025-07-28T17:00:00.000Z	54 \| moderate	10.555 \| good	22.604 \| good	32.46 \| good	0.274 \| good	3.456 \| good	0.181 \| good
2025-07-28T18:00:00.000Z	60 \| moderate	14.106 \| fine	47.579 \| good	34.754 \| good	0.475 \| good	5.815 \| good	0.207 \| good
2025-07-28T19:00:00.000Z	56 \| moderate	11.597 \| good	57.617 \| fine	34.056 \| good	0.214 \| good	4.502 \| good	0.181 \| good
2025-07-28T20:00:00.000Z	52 \| moderate	10.008 \| good	31.963 \| good	39.935 \| good	0.296 \| good	4.746 \| good	0.207 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.065 \| good	37.38 \| good	35.492 \| good	0.228 \| good	2.277 \| good	0.241 \| good
2025-07-28T22:00:00.000Z	54 \| moderate	11.008 \| good	34.852 \| good	36.872 \| good	0.192 \| good	2.572 \| good	0.233 \| good
2025-07-28T23:00:00.000Z	56 \| moderate	12.004 \| good	40.119 \| good	35.712 \| good	0.219 \| good	4.229 \| good	0.221 \| good
2025-07-29T00:00:00.000Z	60 \| moderate	13.641 \| fine	43.185 \| good	37.032 \| good	0.277 \| good	3.988 \| good	0.24 \| good
2025-07-29T01:00:00.000Z	60 \| moderate	14.352 \| fine	28.22 \| good	35.162 \| good	0.229 \| good	3.788 \| good	0.243 \| good
2025-07-29T02:00:00.000Z	62 \| moderate	14.659 \| fine	21.396 \| good	38.654 \| good	0.297 \| good	9.458 \| good	0.262 \| good
2025-07-29T03:00:00.000Z	60 \| moderate	14.234 \| fine	34.368 \| good	30.105 \| good	0.412 \| good	11.025 \| good	0.35 \| good
2025-07-29T04:00:00.000Z	58 \| moderate	13.166 \| fine	34.272 \| good	32.818 \| good	0.347 \| good	11.673 \| good	0.37 \| good
2025-07-29T05:00:00.000Z	56 \| moderate	11.902 \| good	39.504 \| good	32.146 \| good	0.856 \| good	14.285 \| good	0.368 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	13.509 \| fine	32.864 \| good	29.852 \| good	0.698 \| good	15.024 \| good	0.323 \| good
2025-07-29T07:00:00.000Z	58 \| moderate	13.026 \| fine	25.753 \| good	18.281 \| good	0.603 \| good	16.694 \| good	0.368 \| good
2025-07-29T08:00:00.000Z	62 \| moderate	15.078 \| fine	45.602 \| good	23.315 \| good	0.565 \| good	17.425 \| good	0.368 \| good
2025-07-29T09:00:00.000Z	62 \| moderate	14.789 \| fine	37.939 \| good	18.205 \| good	0.263 \| good	10.232 \| good	0.316 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	14.265 \| fine	31.394 \| good	18.993 \| good	0.262 \| good	11.832 \| good	0.375 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	13.962 \| fine	57.749 \| fine	20.372 \| good	0.266 \| good	10.722 \| good	0.431 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	14.621 \| fine	27.219 \| good	19.035 \| good	0.243 \| good	13.03 \| good	0.467 \| good
2025-07-29T13:00:00.000Z	56 \| moderate	12.34 \| fine	46.526 \| good	18.153 \| good	0.297 \| good	12.335 \| good	0.534 \| good
2025-07-29T14:00:00.000Z	58 \| moderate	13.387 \| fine	35.947 \| good	18.418 \| good	0.393 \| good	11.399 \| good	0.389 \| good
2025-07-29T15:00:00.000Z	58 \| moderate	13.34 \| fine	39.213 \| good	31.104 \| good	0.642 \| good	10.421 \| good	0.394 \| good
2025-07-29T16:00:00.000Z	58 \| moderate	13.124 \| fine	28.624 \| good	33.3 \| good	0.616 \| good	7.764 \| good	0.347 \| good
2025-07-29T17:00:00.000Z	56 \| moderate	12.349 \| fine	33.463 \| good	36.834 \| good	0.502 \| good	5.772 \| good	0.34 \| good
2025-07-29T18:00:00.000Z	58 \| moderate	12.594 \| fine	54.305 \| good	38.455 \| good	0.436 \| good	5.54 \| good	0.567 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	12.308 \| fine	51.312 \| good	45.404 \| good	0.415 \| good	7.821 \| good	0.333 \| good
2025-07-29T20:00:00.000Z	58 \| moderate	12.899 \| fine	68.442 \| fine	46.142 \| good	0.494 \| good	12 \| good	0.291 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	13.108 \| fine	29.15 \| good	49.189 \| good	0.533 \| good	10.194 \| good	0.241 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	9.859 \| good	25.611 \| good	52.811 \| good	0.394 \| good	3.657 \| good	0.241 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	9.568 \| good	37.513 \| good	43.144 \| good	0.44 \| good	4.435 \| good	0.241 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	9.924 \| good	35.104 \| good	46.551 \| good	0.456 \| good	5.423 \| good	0.248 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.695 \| good	28.841 \| good	50.144 \| good	0.44 \| good	5.391 \| good	0.224 \| good
2025-07-30T02:00:00.000Z	56 \| moderate	11.541 \| good	25.533 \| good	35.956 \| good	0.489 \| good	9.389 \| good	0.29 \| good
2025-07-30T03:00:00.000Z	66 \| moderate	17.416 \| fine	77.097 \| fine	27.642 \| good	0.82 \| good	10.439 \| good	0.276 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.913 \| good	28.321 \| good	42.302 \| good	0.397 \| good	18.101 \| good	0.302 \| good
2025-07-30T05:00:00.000Z	53 \| moderate	9.42 \| good	59.164 \| fine	47.062 \| good	0.445 \| good	17.597 \| good	0.288 \| good
2025-07-30T06:00:00.000Z	62 \| moderate	14.694 \| fine	68.351 \| fine	44.769 \| good	0.388 \| good	14.927 \| good	0.267 \| good
2025-07-30T07:00:00.000Z	52 \| moderate	10.362 \| good	24.542 \| good	32.037 \| good	0.251 \| good	13.468 \| good	0.254 \| good
2025-07-30T08:00:00.000Z	49 \| good	9.243 \| good	33.721 \| good	30.744 \| good	0.251 \| good	14.677 \| good	0.254 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	9.768 \| good	36.103 \| good	18.763 \| good	0.209 \| good	10.233 \| good	0.207 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	9.917 \| good	24.247 \| good	17.935 \| good	0.189 \| good	12.854 \| good	0.282 \| good
2025-07-30T11:00:00.000Z	54 \| moderate	11.24 \| good	25.143 \| good	12.634 \| good	0.186 \| good	12.683 \| good	0.276 \| good
2025-07-29T22:00:00.000Z	67 \| moderate	17.992 \| fine	79.21 \| fine	39.941 \| good	0.455 \| good	2.86 \| good	0.187 \| good
2025-07-29T23:00:00.000Z	66 \| moderate	17.462 \| fine	77.314 \| fine	34.367 \| good	0.503 \| good	4.38 \| good	0.202 \| good
2025-07-30T00:00:00.000Z	64 \| moderate	16.123 \| fine	71.382 \| fine	33.452 \| good	0.551 \| good	5.901 \| good	0.217 \| good
2025-07-30T01:00:00.000Z	64 \| moderate	15.615 \| fine	69.217 \| fine	30.308 \| good	0.584 \| good	6.192 \| good	0.22 \| good
2025-07-30T02:00:00.000Z	64 \| moderate	15.692 \| fine	70.457 \| fine	28.546 \| good	0.616 \| good	6.483 \| good	0.222 \| good
2025-07-30T03:00:00.000Z	66 \| moderate	16.971 \| fine	75.19 \| fine	25.873 \| good	0.649 \| good	6.773 \| good	0.225 \| good
2025-07-30T04:00:00.000Z	67 \| moderate	18.153 \| fine	80.538 \| fine	24.126 \| good	0.623 \| good	6.027 \| good	0.216 \| good
2025-07-30T05:00:00.000Z	69 \| moderate	18.829 \| fine	83.058 \| fine	23.448 \| good	0.596 \| good	5.282 \| good	0.207 \| good
2025-07-30T06:00:00.000Z	69 \| moderate	19.003 \| fine	83.526 \| fine	20.163 \| good	0.57 \| good	4.536 \| good	0.198 \| good
2025-07-30T07:00:00.000Z	67 \| moderate	17.917 \| fine	79.17 \| fine	17.903 \| good	0.571 \| good	4.346 \| good	0.196 \| good
2025-07-30T08:00:00.000Z	67 \| moderate	17.991 \| fine	79.278 \| fine	16.261 \| good	0.571 \| good	4.155 \| good	0.193 \| good
2025-07-30T09:00:00.000Z	69 \| moderate	19.321 \| fine	85.02 \| fine	15.312 \| good	0.572 \| good	3.965 \| good	0.191 \| good
2025-07-30T10:00:00.000Z	67 \| moderate	18.384 \| fine	81.311 \| fine	14.001 \| good	0.59 \| good	3.969 \| good	0.2 \| good
2025-07-30T11:00:00.000Z	71 \| moderate	20.399 \| fine	89.648 \| fine	18.371 \| good	0.609 \| good	3.973 \| good	0.209 \| good
2025-07-30T12:00:00.000Z	75 \| moderate	21.791 \| fine	95.299 \| fine	28.821 \| good	0.627 \| good	3.977 \| good	0.218 \| good
2025-07-30T13:00:00.000Z	73 \| moderate	20.978 \| fine	92.606 \| fine	36.897 \| good	0.586 \| good	3.285 \| good	0.21 \| good
2025-07-30T14:00:00.000Z	71 \| moderate	19.862 \| fine	87.056 \| fine	41.031 \| good	0.546 \| good	2.592 \| good	0.203 \| good
2025-07-30T15:00:00.000Z	73 \| moderate	20.54 \| fine	90.756 \| fine	41.618 \| good	0.505 \| good	1.899 \| good	0.195 \| good
2025-07-30T16:00:00.000Z	75 \| moderate	21.644 \| fine	95.016 \| fine	46.041 \| good	0.446 \| good	1.622 \| good	0.193 \| good
2025-07-30T17:00:00.000Z	77 \| moderate	22.594 \| fine	98.934 \| fine	52.276 \| good	0.387 \| good	1.344 \| good	0.191 \| good
2025-07-30T18:00:00.000Z	71 \| moderate	20.088 \| fine	88.629 \| fine	53.459 \| good	0.329 \| good	1.067 \| good	0.188 \| good
2025-07-30T19:00:00.000Z	67 \| moderate	18.232 \| fine	80.916 \| fine	51.539 \| good	0.317 \| good	1.135 \| good	0.185 \| good
2025-07-30T20:00:00.000Z	69 \| moderate	19.283 \| fine	84.998 \| fine	52.187 \| good	0.305 \| good	1.202 \| good	0.182 \| good
2025-07-30T21:00:00.000Z	73 \| moderate	20.868 \| fine	92.278 \| fine	54.434 \| good	0.293 \| good	1.27 \| good	0.179 \| good
2025-07-30T22:00:00.000Z	73 \| moderate	20.652 \| fine	90.676 \| fine	46.439 \| good	0.334 \| good	3.008 \| good	0.199 \| good
2025-07-30T23:00:00.000Z	71 \| moderate	20.105 \| fine	88.314 \| fine	45.976 \| good	0.376 \| good	4.745 \| good	0.219 \| good
2025-07-31T00:00:00.000Z	81 \| moderate	24.529 \| fine	106.358 \| fine	47.067 \| good	0.418 \| good	6.482 \| good	0.239 \| good
2025-07-31T01:00:00.000Z	75 \| moderate	22.026 \| fine	96.415 \| fine	45.77 \| good	0.5 \| good	7.418 \| good	0.251 \| good
2025-07-31T02:00:00.000Z	73 \| moderate	20.823 \| fine	91.154 \| fine	45.917 \| good	0.583 \| good	8.353 \| good	0.263 \| good
2025-07-31T03:00:00.000Z	67 \| moderate	18.261 \| fine	80.893 \| fine	42.943 \| good	0.666 \| good	9.289 \| good	0.276 \| good
2025-07-31T04:00:00.000Z	62 \| moderate	15.275 \| fine	68.655 \| fine	40.04 \| good	0.706 \| good	9.582 \| good	0.28 \| good
2025-07-31T05:00:00.000Z	60 \| moderate	14.257 \| fine	63.63 \| fine	37.476 \| good	0.747 \| good	9.876 \| good	0.284 \| good
2025-07-31T06:00:00.000Z	60 \| moderate	13.751 \| fine	61.672 \| fine	37.349 \| good	0.787 \| good	10.169 \| good	0.289 \| good
2025-07-31T07:00:00.000Z	62 \| moderate	14.989 \| fine	67.305 \| fine	34.361 \| good	0.767 \| good	7.835 \| good	0.256 \| good
2025-07-31T08:00:00.000Z	64 \| moderate	16.294 \| fine	71.915 \| fine	28.376 \| good	0.746 \| good	5.501 \| good	0.223 \| good
2025-07-31T09:00:00.000Z	67 \| moderate	18.133 \| fine	80.309 \| fine	25.427 \| good	0.726 \| good	3.168 \| good	0.19 \| good
2025-07-31T10:00:00.000Z	66 \| moderate	16.768 \| fine	74.892 \| fine	24.473 \| good	0.714 \| good	3.153 \| good	0.188 \| good
2025-07-31T11:00:00.000Z	69 \| moderate	18.9 \| fine	83.431 \| fine	25.122 \| good	0.702 \| good	3.139 \| good	0.185 \| good
2025-07-31T12:00:00.000Z	73 \| moderate	21.477 \| fine	93.922 \| fine	27.404 \| good	0.69 \| good	3.125 \| good	0.183 \| good
2025-07-31T13:00:00.000Z	69 \| moderate	18.603 \| fine	82.527 \| fine	28.336 \| good	0.735 \| good	2.989 \| good	0.184 \| good
2025-07-31T14:00:00.000Z	67 \| moderate	17.777 \| fine	78.902 \| fine	31.09 \| good	0.779 \| good	2.853 \| good	0.186 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	17.633 \| fine	78.425 \| fine	33.079 \| good	0.824 \| good	2.717 \| good	0.187 \| good
2025-07-31T16:00:00.000Z	69 \| moderate	19.156 \| fine	84.666 \| fine	31.831 \| good	0.801 \| good	2.441 \| good	0.188 \| good
2025-07-31T17:00:00.000Z	73 \| moderate	21.036 \| fine	92.485 \| fine	28.914 \| good	0.778 \| good	2.165 \| good	0.189 \| good
2025-07-31T18:00:00.000Z	73 \| moderate	21.488 \| fine	94.613 \| fine	29.093 \| good	0.756 \| good	1.889 \| good	0.19 \| good
2025-07-31T19:00:00.000Z	71 \| moderate	19.846 \| fine	87.241 \| fine	29.37 \| good	0.732 \| good	2.214 \| good	0.195 \| good
2025-07-31T20:00:00.000Z	66 \| moderate	17.183 \| fine	76.807 \| fine	30.959 \| good	0.709 \| good	2.539 \| good	0.201 \| good
2025-07-31T21:00:00.000Z	67 \| moderate	18.013 \| fine	79.389 \| fine	30.18 \| good	0.686 \| good	2.864 \| good	0.207 \| good

Bristol

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Bristol, Connecticut air quality map: Track AQI near you

0.29ppm

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 08:00:00 on 2025-07-29.

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 09:00:00 on 2025-07-28.

What is the current air quality in Bristol, Connecticut?

The current air quality in Bristol, Connecticut is 58, 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 12.664 μg/m³.

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

The current PM₁₀ concentration at Bristol, Connecticut is 41.068 μg/m³.

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

The current carbon monoxide (CO) concentration at Bristol, Connecticut is 0.243 ppm.

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

The current sulfur dioxide (SO₂) concentration at Bristol, Connecticut is 0.539 ppb.

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

The current ozone (O₃) concentration at Bristol, Connecticut is 52.383 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Bristol, Connecticut is 10.704 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T12:00:00.000Z	64 \| moderate	15.637 \| fine	80.336 \| fine	20.415 \| good	0.242 \| good	9.047 \| good	0.258 \| good
2025-07-28T13:00:00.000Z	73 \| moderate	20.916 \| fine	82.333 \| fine	20.791 \| good	0.254 \| good	7.274 \| good	0.258 \| good
2025-07-28T14:00:00.000Z	60 \| moderate	13.8 \| fine	32.85 \| good	18.058 \| good	0.304 \| good	4.387 \| good	0.25 \| good
2025-07-28T15:00:00.000Z	63 \| moderate	15.313 \| fine	79.939 \| fine	24.369 \| good	0.236 \| good	3.907 \| good	0.25 \| good
2025-07-28T16:00:00.000Z	56 \| moderate	10.724 \| good	66.059 \| fine	26.287 \| good	0.255 \| good	3.267 \| good	0.181 \| good
2025-07-28T17:00:00.000Z	54 \| moderate	10.555 \| good	22.604 \| good	32.46 \| good	0.274 \| good	3.456 \| good	0.181 \| good
2025-07-28T18:00:00.000Z	60 \| moderate	14.106 \| fine	47.579 \| good	34.754 \| good	0.475 \| good	5.815 \| good	0.207 \| good
2025-07-28T19:00:00.000Z	56 \| moderate	11.597 \| good	57.617 \| fine	34.056 \| good	0.214 \| good	4.502 \| good	0.181 \| good
2025-07-28T20:00:00.000Z	52 \| moderate	10.008 \| good	31.963 \| good	39.935 \| good	0.296 \| good	4.746 \| good	0.207 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.065 \| good	37.38 \| good	35.492 \| good	0.228 \| good	2.277 \| good	0.241 \| good
2025-07-28T22:00:00.000Z	54 \| moderate	11.008 \| good	34.852 \| good	36.872 \| good	0.192 \| good	2.572 \| good	0.233 \| good
2025-07-28T23:00:00.000Z	56 \| moderate	12.004 \| good	40.119 \| good	35.712 \| good	0.219 \| good	4.229 \| good	0.221 \| good
2025-07-29T00:00:00.000Z	60 \| moderate	13.641 \| fine	43.185 \| good	37.032 \| good	0.277 \| good	3.988 \| good	0.24 \| good
2025-07-29T01:00:00.000Z	60 \| moderate	14.352 \| fine	28.22 \| good	35.162 \| good	0.229 \| good	3.788 \| good	0.243 \| good
2025-07-29T02:00:00.000Z	62 \| moderate	14.659 \| fine	21.396 \| good	38.654 \| good	0.297 \| good	9.458 \| good	0.262 \| good
2025-07-29T03:00:00.000Z	60 \| moderate	14.234 \| fine	34.368 \| good	30.105 \| good	0.412 \| good	11.025 \| good	0.35 \| good
2025-07-29T04:00:00.000Z	58 \| moderate	13.166 \| fine	34.272 \| good	32.818 \| good	0.347 \| good	11.673 \| good	0.37 \| good
2025-07-29T05:00:00.000Z	56 \| moderate	11.902 \| good	39.504 \| good	32.146 \| good	0.856 \| good	14.285 \| good	0.368 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	13.509 \| fine	32.864 \| good	29.852 \| good	0.698 \| good	15.024 \| good	0.323 \| good
2025-07-29T07:00:00.000Z	58 \| moderate	13.026 \| fine	25.753 \| good	18.281 \| good	0.603 \| good	16.694 \| good	0.368 \| good
2025-07-29T08:00:00.000Z	62 \| moderate	15.078 \| fine	45.602 \| good	23.315 \| good	0.565 \| good	17.425 \| good	0.368 \| good
2025-07-29T09:00:00.000Z	62 \| moderate	14.789 \| fine	37.939 \| good	18.205 \| good	0.263 \| good	10.232 \| good	0.316 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	14.265 \| fine	31.394 \| good	18.993 \| good	0.262 \| good	11.832 \| good	0.375 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	13.962 \| fine	57.749 \| fine	20.372 \| good	0.266 \| good	10.722 \| good	0.431 \| good
2025-07-29T12:00:00.000Z	62 \| moderate	14.621 \| fine	27.219 \| good	19.035 \| good	0.243 \| good	13.03 \| good	0.467 \| good
2025-07-29T13:00:00.000Z	56 \| moderate	12.34 \| fine	46.526 \| good	18.153 \| good	0.297 \| good	12.335 \| good	0.534 \| good
2025-07-29T14:00:00.000Z	58 \| moderate	13.387 \| fine	35.947 \| good	18.418 \| good	0.393 \| good	11.399 \| good	0.389 \| good
2025-07-29T15:00:00.000Z	58 \| moderate	13.34 \| fine	39.213 \| good	31.104 \| good	0.642 \| good	10.421 \| good	0.394 \| good
2025-07-29T16:00:00.000Z	58 \| moderate	13.124 \| fine	28.624 \| good	33.3 \| good	0.616 \| good	7.764 \| good	0.347 \| good
2025-07-29T17:00:00.000Z	56 \| moderate	12.349 \| fine	33.463 \| good	36.834 \| good	0.502 \| good	5.772 \| good	0.34 \| good
2025-07-29T18:00:00.000Z	58 \| moderate	12.594 \| fine	54.305 \| good	38.455 \| good	0.436 \| good	5.54 \| good	0.567 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	12.308 \| fine	51.312 \| good	45.404 \| good	0.415 \| good	7.821 \| good	0.333 \| good
2025-07-29T20:00:00.000Z	58 \| moderate	12.899 \| fine	68.442 \| fine	46.142 \| good	0.494 \| good	12 \| good	0.291 \| good
2025-07-29T21:00:00.000Z	58 \| moderate	13.108 \| fine	29.15 \| good	49.189 \| good	0.533 \| good	10.194 \| good	0.241 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	9.859 \| good	25.611 \| good	52.811 \| good	0.394 \| good	3.657 \| good	0.241 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	9.568 \| good	37.513 \| good	43.144 \| good	0.44 \| good	4.435 \| good	0.241 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	9.924 \| good	35.104 \| good	46.551 \| good	0.456 \| good	5.423 \| good	0.248 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	9.695 \| good	28.841 \| good	50.144 \| good	0.44 \| good	5.391 \| good	0.224 \| good
2025-07-30T02:00:00.000Z	56 \| moderate	11.541 \| good	25.533 \| good	35.956 \| good	0.489 \| good	9.389 \| good	0.29 \| good
2025-07-30T03:00:00.000Z	66 \| moderate	17.416 \| fine	77.097 \| fine	27.642 \| good	0.82 \| good	10.439 \| good	0.276 \| good
2025-07-30T04:00:00.000Z	52 \| moderate	9.913 \| good	28.321 \| good	42.302 \| good	0.397 \| good	18.101 \| good	0.302 \| good
2025-07-30T05:00:00.000Z	53 \| moderate	9.42 \| good	59.164 \| fine	47.062 \| good	0.445 \| good	17.597 \| good	0.288 \| good
2025-07-30T06:00:00.000Z	62 \| moderate	14.694 \| fine	68.351 \| fine	44.769 \| good	0.388 \| good	14.927 \| good	0.267 \| good
2025-07-30T07:00:00.000Z	52 \| moderate	10.362 \| good	24.542 \| good	32.037 \| good	0.251 \| good	13.468 \| good	0.254 \| good
2025-07-30T08:00:00.000Z	49 \| good	9.243 \| good	33.721 \| good	30.744 \| good	0.251 \| good	14.677 \| good	0.254 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	9.768 \| good	36.103 \| good	18.763 \| good	0.209 \| good	10.233 \| good	0.207 \| good
2025-07-30T10:00:00.000Z	52 \| moderate	9.917 \| good	24.247 \| good	17.935 \| good	0.189 \| good	12.854 \| good	0.282 \| good
2025-07-30T11:00:00.000Z	54 \| moderate	11.24 \| good	25.143 \| good	12.634 \| good	0.186 \| good	12.683 \| good	0.276 \| good
2025-07-29T22:00:00.000Z	67 \| moderate	17.992 \| fine	79.21 \| fine	39.941 \| good	0.455 \| good	2.86 \| good	0.187 \| good
2025-07-29T23:00:00.000Z	66 \| moderate	17.462 \| fine	77.314 \| fine	34.367 \| good	0.503 \| good	4.38 \| good	0.202 \| good
2025-07-30T00:00:00.000Z	64 \| moderate	16.123 \| fine	71.382 \| fine	33.452 \| good	0.551 \| good	5.901 \| good	0.217 \| good
2025-07-30T01:00:00.000Z	64 \| moderate	15.615 \| fine	69.217 \| fine	30.308 \| good	0.584 \| good	6.192 \| good	0.22 \| good
2025-07-30T02:00:00.000Z	64 \| moderate	15.692 \| fine	70.457 \| fine	28.546 \| good	0.616 \| good	6.483 \| good	0.222 \| good
2025-07-30T03:00:00.000Z	66 \| moderate	16.971 \| fine	75.19 \| fine	25.873 \| good	0.649 \| good	6.773 \| good	0.225 \| good
2025-07-30T04:00:00.000Z	67 \| moderate	18.153 \| fine	80.538 \| fine	24.126 \| good	0.623 \| good	6.027 \| good	0.216 \| good
2025-07-30T05:00:00.000Z	69 \| moderate	18.829 \| fine	83.058 \| fine	23.448 \| good	0.596 \| good	5.282 \| good	0.207 \| good
2025-07-30T06:00:00.000Z	69 \| moderate	19.003 \| fine	83.526 \| fine	20.163 \| good	0.57 \| good	4.536 \| good	0.198 \| good
2025-07-30T07:00:00.000Z	67 \| moderate	17.917 \| fine	79.17 \| fine	17.903 \| good	0.571 \| good	4.346 \| good	0.196 \| good
2025-07-30T08:00:00.000Z	67 \| moderate	17.991 \| fine	79.278 \| fine	16.261 \| good	0.571 \| good	4.155 \| good	0.193 \| good
2025-07-30T09:00:00.000Z	69 \| moderate	19.321 \| fine	85.02 \| fine	15.312 \| good	0.572 \| good	3.965 \| good	0.191 \| good
2025-07-30T10:00:00.000Z	67 \| moderate	18.384 \| fine	81.311 \| fine	14.001 \| good	0.59 \| good	3.969 \| good	0.2 \| good
2025-07-30T11:00:00.000Z	71 \| moderate	20.399 \| fine	89.648 \| fine	18.371 \| good	0.609 \| good	3.973 \| good	0.209 \| good
2025-07-30T12:00:00.000Z	75 \| moderate	21.791 \| fine	95.299 \| fine	28.821 \| good	0.627 \| good	3.977 \| good	0.218 \| good
2025-07-30T13:00:00.000Z	73 \| moderate	20.978 \| fine	92.606 \| fine	36.897 \| good	0.586 \| good	3.285 \| good	0.21 \| good
2025-07-30T14:00:00.000Z	71 \| moderate	19.862 \| fine	87.056 \| fine	41.031 \| good	0.546 \| good	2.592 \| good	0.203 \| good
2025-07-30T15:00:00.000Z	73 \| moderate	20.54 \| fine	90.756 \| fine	41.618 \| good	0.505 \| good	1.899 \| good	0.195 \| good
2025-07-30T16:00:00.000Z	75 \| moderate	21.644 \| fine	95.016 \| fine	46.041 \| good	0.446 \| good	1.622 \| good	0.193 \| good
2025-07-30T17:00:00.000Z	77 \| moderate	22.594 \| fine	98.934 \| fine	52.276 \| good	0.387 \| good	1.344 \| good	0.191 \| good
2025-07-30T18:00:00.000Z	71 \| moderate	20.088 \| fine	88.629 \| fine	53.459 \| good	0.329 \| good	1.067 \| good	0.188 \| good
2025-07-30T19:00:00.000Z	67 \| moderate	18.232 \| fine	80.916 \| fine	51.539 \| good	0.317 \| good	1.135 \| good	0.185 \| good
2025-07-30T20:00:00.000Z	69 \| moderate	19.283 \| fine	84.998 \| fine	52.187 \| good	0.305 \| good	1.202 \| good	0.182 \| good
2025-07-30T21:00:00.000Z	73 \| moderate	20.868 \| fine	92.278 \| fine	54.434 \| good	0.293 \| good	1.27 \| good	0.179 \| good
2025-07-30T22:00:00.000Z	73 \| moderate	20.652 \| fine	90.676 \| fine	46.439 \| good	0.334 \| good	3.008 \| good	0.199 \| good
2025-07-30T23:00:00.000Z	71 \| moderate	20.105 \| fine	88.314 \| fine	45.976 \| good	0.376 \| good	4.745 \| good	0.219 \| good
2025-07-31T00:00:00.000Z	81 \| moderate	24.529 \| fine	106.358 \| fine	47.067 \| good	0.418 \| good	6.482 \| good	0.239 \| good
2025-07-31T01:00:00.000Z	75 \| moderate	22.026 \| fine	96.415 \| fine	45.77 \| good	0.5 \| good	7.418 \| good	0.251 \| good
2025-07-31T02:00:00.000Z	73 \| moderate	20.823 \| fine	91.154 \| fine	45.917 \| good	0.583 \| good	8.353 \| good	0.263 \| good
2025-07-31T03:00:00.000Z	67 \| moderate	18.261 \| fine	80.893 \| fine	42.943 \| good	0.666 \| good	9.289 \| good	0.276 \| good
2025-07-31T04:00:00.000Z	62 \| moderate	15.275 \| fine	68.655 \| fine	40.04 \| good	0.706 \| good	9.582 \| good	0.28 \| good
2025-07-31T05:00:00.000Z	60 \| moderate	14.257 \| fine	63.63 \| fine	37.476 \| good	0.747 \| good	9.876 \| good	0.284 \| good
2025-07-31T06:00:00.000Z	60 \| moderate	13.751 \| fine	61.672 \| fine	37.349 \| good	0.787 \| good	10.169 \| good	0.289 \| good
2025-07-31T07:00:00.000Z	62 \| moderate	14.989 \| fine	67.305 \| fine	34.361 \| good	0.767 \| good	7.835 \| good	0.256 \| good
2025-07-31T08:00:00.000Z	64 \| moderate	16.294 \| fine	71.915 \| fine	28.376 \| good	0.746 \| good	5.501 \| good	0.223 \| good
2025-07-31T09:00:00.000Z	67 \| moderate	18.133 \| fine	80.309 \| fine	25.427 \| good	0.726 \| good	3.168 \| good	0.19 \| good
2025-07-31T10:00:00.000Z	66 \| moderate	16.768 \| fine	74.892 \| fine	24.473 \| good	0.714 \| good	3.153 \| good	0.188 \| good
2025-07-31T11:00:00.000Z	69 \| moderate	18.9 \| fine	83.431 \| fine	25.122 \| good	0.702 \| good	3.139 \| good	0.185 \| good
2025-07-31T12:00:00.000Z	73 \| moderate	21.477 \| fine	93.922 \| fine	27.404 \| good	0.69 \| good	3.125 \| good	0.183 \| good
2025-07-31T13:00:00.000Z	69 \| moderate	18.603 \| fine	82.527 \| fine	28.336 \| good	0.735 \| good	2.989 \| good	0.184 \| good
2025-07-31T14:00:00.000Z	67 \| moderate	17.777 \| fine	78.902 \| fine	31.09 \| good	0.779 \| good	2.853 \| good	0.186 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	17.633 \| fine	78.425 \| fine	33.079 \| good	0.824 \| good	2.717 \| good	0.187 \| good
2025-07-31T16:00:00.000Z	69 \| moderate	19.156 \| fine	84.666 \| fine	31.831 \| good	0.801 \| good	2.441 \| good	0.188 \| good
2025-07-31T17:00:00.000Z	73 \| moderate	21.036 \| fine	92.485 \| fine	28.914 \| good	0.778 \| good	2.165 \| good	0.189 \| good
2025-07-31T18:00:00.000Z	73 \| moderate	21.488 \| fine	94.613 \| fine	29.093 \| good	0.756 \| good	1.889 \| good	0.19 \| good
2025-07-31T19:00:00.000Z	71 \| moderate	19.846 \| fine	87.241 \| fine	29.37 \| good	0.732 \| good	2.214 \| good	0.195 \| good
2025-07-31T20:00:00.000Z	66 \| moderate	17.183 \| fine	76.807 \| fine	30.959 \| good	0.709 \| good	2.539 \| good	0.201 \| good
2025-07-31T21:00:00.000Z	67 \| moderate	18.013 \| fine	79.389 \| fine	30.18 \| good	0.686 \| good	2.864 \| good	0.207 \| 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?