What is the PM10 level in Meriden, Connecticut at the moment?

The PM10 concentration in Meriden, Connecticut is 14.16 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Meriden, Connecticut at the moment?

Currently, Meriden, Connecticut has a sulfur dioxide (SO2) concentration of 0.28 ppb.

What is the ozone (O3) level in Meriden, Connecticut at the moment?

The current ozone (O3) level in Meriden, Connecticut at the moment is 46.975 ppm.

What is the nitrogen dioxide (NO2) level in Meriden, Connecticut at the moment?

Nitrogen dioxide (NO2) level in Meriden, Connecticut at the moment is 4.505 ppb.

Live air quality index in Meriden, Connecticut today

Q: What is the PM2.5 level in Meriden, Connecticut at the moment?

PM2.5 levels in Meriden, Connecticut are currently 4.986 μg/m3.

Stay updated with real-time air quality in Meriden, 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

Meriden, Connecticut

Last updated: ... (Local time)

Major air pollutants in Meriden, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.56 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.85 μg/m³

155

255

425

605+

Ozone (O₃)

47.69 ppb

201

201+

Sulfur Dioxide (SO₂)

0.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.17 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

Please contact us for custom requests

Meriden, Connecticut

Scroll To Air Quality Map

Track live Meriden, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-28T00:00:00.000Z	38 \| good	2.547 \| good	5.823 \| good	41.357 \| good	0.125 \| good	7.111 \| good	0.193 \| good
2026-03-28T01:00:00.000Z	36 \| good	2.972 \| good	12.723 \| good	39.247 \| good	0.167 \| good	9.265 \| good	0.186 \| good
2026-03-28T02:00:00.000Z	31 \| good	3.519 \| good	13.081 \| good	34.138 \| good	0.149 \| good	9.061 \| good	0.193 \| good
2026-03-28T03:00:00.000Z	23 \| good	4.266 \| good	17.3 \| good	24.696 \| good	0.128 \| good	9.909 \| good	0.252 \| good
2026-03-28T04:00:00.000Z	27 \| good	4.636 \| good	11.946 \| good	24.296 \| good	0.146 \| good	12.558 \| good	0.245 \| good
2026-03-28T05:00:00.000Z	27 \| good	5.191 \| good	9.468 \| good	26.558 \| good	0.131 \| good	13.842 \| good	0.245 \| good
2026-03-28T06:00:00.000Z	27 \| good	4.921 \| good	12.864 \| good	24.161 \| good	0.178 \| good	12.699 \| good	0.209 \| good
2026-03-28T07:00:00.000Z	29 \| good	4.736 \| good	9.32 \| good	31.239 \| good	0.149 \| good	8.518 \| good	0.177 \| good
2026-03-28T08:00:00.000Z	29 \| good	4.374 \| good	12.187 \| good	31.341 \| good	0.125 \| good	5.824 \| good	0.186 \| good
2026-03-28T09:00:00.000Z	31 \| good	4.316 \| good	11.752 \| good	32.712 \| good	0.125 \| good	4.775 \| good	0.186 \| good
2026-03-28T10:00:00.000Z	31 \| good	4.182 \| good	12.148 \| good	33.917 \| good	0.124 \| good	5.657 \| good	0.159 \| good
2026-03-28T11:00:00.000Z	32 \| good	4.123 \| good	11.208 \| good	35.327 \| good	0.115 \| good	5.416 \| good	0.113 \| good
2026-03-28T12:00:00.000Z	32 \| good	4.23 \| good	17.986 \| good	35.484 \| good	0.134 \| good	5.225 \| good	0.154 \| good
2026-03-28T13:00:00.000Z	33 \| good	4.196 \| good	9.581 \| good	35.922 \| good	0.207 \| good	3.538 \| good	0.209 \| good
2026-03-28T14:00:00.000Z	34 \| good	4.198 \| good	11.14 \| good	36.579 \| good	0.134 \| good	3.139 \| good	0.165 \| good
2026-03-28T15:00:00.000Z	34 \| good	4.105 \| good	13.963 \| good	37.425 \| good	0.133 \| good	2.245 \| good	0.159 \| good
2026-03-28T16:00:00.000Z	36 \| good	4.082 \| good	14.131 \| good	39.292 \| good	0.141 \| good	2.039 \| good	0.113 \| good
2026-03-28T17:00:00.000Z	38 \| good	4.124 \| good	12.905 \| good	40.983 \| good	0.207 \| good	2.036 \| good	0.113 \| good
2026-03-28T18:00:00.000Z	39 \| good	4.082 \| good	10.318 \| good	41.744 \| good	0.171 \| good	1.843 \| good	0.141 \| good
2026-03-28T19:00:00.000Z	38 \| good	4.077 \| good	10.503 \| good	40.575 \| good	0.171 \| good	2.107 \| good	0.141 \| good
2026-03-28T20:00:00.000Z	39 \| good	3.764 \| good	10.045 \| good	41.799 \| good	0.16 \| good	2.195 \| good	0.141 \| good
2026-03-28T21:00:00.000Z	37 \| good	3.647 \| good	12.57 \| good	40.111 \| good	0.115 \| good	2.468 \| good	0.186 \| good
2026-03-28T22:00:00.000Z	37 \| good	3.309 \| good	9.837 \| good	39.71 \| good	0.118 \| good	2.311 \| good	0.159 \| good
2026-03-28T23:00:00.000Z	38 \| good	3.138 \| good	9.982 \| good	41.298 \| good	0.133 \| good	2.783 \| good	0.141 \| good
2026-03-29T00:00:00.000Z	36 \| good	3.2 \| good	14.869 \| good	39.343 \| good	0.219 \| good	3.448 \| good	0.141 \| good
2026-03-29T01:00:00.000Z	34 \| good	3.44 \| good	15.856 \| good	36.707 \| good	0.244 \| good	6.839 \| good	0.193 \| good
2026-03-29T02:00:00.000Z	31 \| good	3.999 \| good	23.077 \| good	34.208 \| good	0.177 \| good	7.618 \| good	0.199 \| good
2026-03-29T03:00:00.000Z	27 \| good	5.043 \| good	21.791 \| good	23.747 \| good	0.722 \| good	5.556 \| good	0.223 \| good
2026-03-29T04:00:00.000Z	32 \| good	4.53 \| good	17.467 \| good	35.006 \| good	0.144 \| good	11.902 \| good	0.238 \| good
2026-03-29T05:00:00.000Z	27 \| good	4.808 \| good	10.063 \| good	27.378 \| good	0.237 \| good	14.445 \| good	0.193 \| good
2026-03-29T06:00:00.000Z	31 \| good	4.223 \| good	12.072 \| good	33.449 \| good	0.237 \| good	14.996 \| good	0.193 \| good
2026-03-29T07:00:00.000Z	27 \| good	4.876 \| good	14.133 \| good	27.344 \| good	0.403 \| good	16.337 \| good	0.232 \| good
2026-03-29T08:00:00.000Z	33 \| good	6.115 \| good	15.557 \| good	19.579 \| good	0.257 \| good	26.949 \| good	0.286 \| good
2026-03-29T09:00:00.000Z	33 \| good	5.95 \| good	13.463 \| good	21.282 \| good	0.421 \| good	30.826 \| good	0.332 \| good
2026-03-29T10:00:00.000Z	33 \| good	6.037 \| good	14.091 \| good	21.986 \| good	0.369 \| good	26.446 \| good	0.305 \| good
2026-03-29T11:00:00.000Z	33 \| good	5.889 \| good	23.546 \| good	23.824 \| good	0.459 \| good	25.426 \| good	0.357 \| good
2026-03-29T12:00:00.000Z	38 \| good	7.158 \| good	21.335 \| good	19.883 \| good	0.452 \| good	20.185 \| good	0.345 \| good
2026-03-29T13:00:00.000Z	38 \| good	6.787 \| good	16.565 \| good	16.85 \| good	0.374 \| good	14.316 \| good	0.299 \| good
2026-03-29T14:00:00.000Z	33 \| good	6.24 \| good	21.476 \| good	23.643 \| good	0.4 \| good	9.2 \| good	0.174 \| good
2026-03-29T15:00:00.000Z	29 \| good	4.275 \| good	17.871 \| good	31.2 \| good	0.36 \| good	6.362 \| good	0.168 \| good
2026-03-29T16:00:00.000Z	32 \| good	4.306 \| good	23.036 \| good	35.126 \| good	0.259 \| good	4.444 \| good	0.187 \| good
2026-03-29T17:00:00.000Z	32 \| good	4.543 \| good	11.445 \| good	35.338 \| good	0.238 \| good	3.759 \| good	0.255 \| good
2026-03-29T18:00:00.000Z	34 \| good	4.895 \| good	10.443 \| good	36.531 \| good	0.266 \| good	5.72 \| good	0.182 \| good
2026-03-29T19:00:00.000Z	42 \| good	4.853 \| good	11.653 \| good	44.659 \| good	0.24 \| good	5.017 \| good	0.182 \| good
2026-03-29T20:00:00.000Z	42 \| good	5.132 \| good	15.202 \| good	45.307 \| good	0.28 \| good	5.039 \| good	0.182 \| good
2026-03-29T21:00:00.000Z	44 \| good	4.98 \| good	18.247 \| good	46.652 \| good	0.283 \| good	5.112 \| good	0.182 \| good
2026-03-29T22:00:00.000Z	44 \| good	5.547 \| good	20.925 \| good	47.153 \| good	0.317 \| good	5.78 \| good	0.154 \| good
2026-03-29T23:00:00.000Z	44 \| good	5.557 \| good	20.852 \| good	47.69 \| good	0.311 \| good	5.174 \| good	0.161 \| good
2026-03-29T23:00:00.000Z	41 \| good	6.954 \| good	30.483 \| good	44.013 \| good	2.219 \| good	8.797 \| good	0.206 \| good
2026-03-30T00:00:00.000Z	37 \| good	6.069 \| good	27.062 \| good	40.076 \| good	2.156 \| good	9.979 \| good	0.217 \| good
2026-03-30T01:00:00.000Z	36 \| good	6.24 \| good	28.126 \| good	38.603 \| good	1.954 \| good	9.182 \| good	0.211 \| good
2026-03-30T02:00:00.000Z	36 \| good	6.25 \| good	27.92 \| good	39.483 \| good	1.753 \| good	8.385 \| good	0.205 \| good
2026-03-30T03:00:00.000Z	38 \| good	6.584 \| good	29.552 \| good	38.049 \| good	1.552 \| good	7.588 \| good	0.199 \| good
2026-03-30T04:00:00.000Z	44 \| good	7.913 \| good	34.696 \| good	38.533 \| good	1.445 \| good	6.735 \| good	0.187 \| good
2026-03-30T05:00:00.000Z	44 \| good	7.818 \| good	34.476 \| good	35.963 \| good	1.338 \| good	5.882 \| good	0.174 \| good
2026-03-30T06:00:00.000Z	33 \| good	6.166 \| good	27.343 \| good	35.824 \| good	1.231 \| good	5.03 \| good	0.161 \| good
2026-03-30T07:00:00.000Z	34 \| good	4.191 \| good	18.334 \| good	37.385 \| good	1.226 \| good	4.536 \| good	0.163 \| good
2026-03-30T08:00:00.000Z	31 \| good	4.441 \| good	19.28 \| good	33.711 \| good	1.221 \| good	4.043 \| good	0.164 \| good
2026-03-30T09:00:00.000Z	30 \| good	3.816 \| good	16.937 \| good	32.157 \| good	1.216 \| good	3.549 \| good	0.165 \| good
2026-03-30T10:00:00.000Z	24 \| good	2.967 \| good	12.296 \| good	26.032 \| good	1.354 \| good	4.269 \| good	0.178 \| good
2026-03-30T11:00:00.000Z	22 \| good	4.018 \| good	17.316 \| good	21.878 \| good	1.492 \| good	4.988 \| good	0.191 \| good
2026-03-30T12:00:00.000Z	27 \| good	4.932 \| good	21.342 \| good	22.298 \| good	1.63 \| good	5.708 \| good	0.205 \| good
2026-03-30T13:00:00.000Z	38 \| good	6.692 \| good	29.901 \| good	26.779 \| good	1.788 \| good	5.982 \| good	0.206 \| good
2026-03-30T14:00:00.000Z	38 \| good	7.106 \| good	31.211 \| good	27.705 \| good	1.945 \| good	6.256 \| good	0.208 \| good
2026-03-30T15:00:00.000Z	38 \| good	7.249 \| good	32.126 \| good	27.494 \| good	2.103 \| good	6.53 \| good	0.209 \| good
2026-03-30T16:00:00.000Z	38 \| good	7.154 \| good	31.856 \| good	27.446 \| good	2.196 \| good	5.911 \| good	0.2 \| good
2026-03-30T17:00:00.000Z	38 \| good	6.76 \| good	29.977 \| good	26.552 \| good	2.289 \| good	5.292 \| good	0.191 \| good
2026-03-30T18:00:00.000Z	52 \| moderate	9.727 \| good	43.485 \| good	38.009 \| good	2.382 \| good	4.674 \| good	0.181 \| good
2026-03-30T19:00:00.000Z	49 \| good	9.072 \| good	40.413 \| good	35.205 \| good	2.344 \| good	4.74 \| good	0.18 \| good
2026-03-30T20:00:00.000Z	44 \| good	8.37 \| good	36.914 \| good	31.084 \| good	2.306 \| good	4.806 \| good	0.179 \| good
2026-03-30T21:00:00.000Z	44 \| good	8.241 \| good	36.222 \| good	34.851 \| good	2.268 \| good	4.872 \| good	0.179 \| good
2026-03-30T22:00:00.000Z	38 \| good	6.856 \| good	30.335 \| good	35.674 \| good	2.4 \| good	6.763 \| good	0.19 \| good
2026-03-30T23:00:00.000Z	52 \| moderate	9.938 \| good	44.313 \| good	28.069 \| good	2.532 \| good	8.654 \| good	0.201 \| good
2026-03-31T00:00:00.000Z	54 \| moderate	11.133 \| good	49.651 \| good	27.35 \| good	2.664 \| good	10.545 \| good	0.213 \| good
2026-03-31T01:00:00.000Z	58 \| moderate	13.331 \| fine	59.67 \| fine	25.935 \| good	2.753 \| good	10.88 \| good	0.216 \| good
2026-03-31T02:00:00.000Z	69 \| moderate	18.989 \| fine	83.552 \| fine	17.859 \| good	2.842 \| good	11.215 \| good	0.218 \| good
2026-03-31T03:00:00.000Z	64 \| moderate	16.351 \| fine	72.397 \| fine	20.665 \| good	2.931 \| good	11.551 \| good	0.221 \| good
2026-03-31T04:00:00.000Z	62 \| moderate	14.658 \| fine	65.516 \| fine	25.542 \| good	2.811 \| good	10.758 \| good	0.214 \| good
2026-03-31T05:00:00.000Z	58 \| moderate	13.226 \| fine	59.367 \| fine	26.853 \| good	2.691 \| good	9.964 \| good	0.207 \| good
2026-03-31T06:00:00.000Z	58 \| moderate	13.413 \| fine	13.725 \| good	35.81 \| good	2.607 \| good	9.283 \| good	0.201 \| good
2026-03-31T07:00:00.000Z	56 \| moderate	12.356 \| fine	55.399 \| fine	25.185 \| good	2.451 \| good	8.415 \| good	0.192 \| good
2026-03-31T08:00:00.000Z	60 \| moderate	13.878 \| fine	62.159 \| fine	20.386 \| good	2.33 \| good	7.659 \| good	0.185 \| good
2026-03-31T09:00:00.000Z	58 \| moderate	13.087 \| fine	58.794 \| fine	12.502 \| good	2.209 \| good	6.903 \| good	0.178 \| good
2026-03-31T10:00:00.000Z	38 \| good	7.315 \| good	32.032 \| good	22.374 \| good	2.07 \| good	7.351 \| good	0.177 \| good
2026-03-31T11:00:00.000Z	33 \| good	6.214 \| good	27.755 \| good	21.128 \| good	1.93 \| good	7.799 \| good	0.176 \| good
2026-03-31T12:00:00.000Z	52 \| moderate	10.226 \| good	10.592 \| good	35.107 \| good	1.811 \| good	8.325 \| good	0.175 \| good
2026-03-31T13:00:00.000Z	54 \| moderate	10.795 \| good	11.181 \| good	34.765 \| good	1.889 \| good	8.186 \| good	0.182 \| good
2026-03-31T14:00:00.000Z	54 \| moderate	10.929 \| good	11.264 \| good	34.423 \| good	1.968 \| good	8.047 \| good	0.189 \| good
2026-03-31T15:00:00.000Z	54 \| moderate	10.542 \| good	10.953 \| good	34.08 \| good	2.047 \| good	7.908 \| good	0.196 \| good
2026-03-31T16:00:00.000Z	52 \| moderate	10.488 \| good	10.918 \| good	36.954 \| good	1.986 \| good	7.218 \| good	0.19 \| good
2026-03-31T17:00:00.000Z	54 \| moderate	11.266 \| good	49.809 \| good	24.924 \| good	1.908 \| good	6.49 \| good	0.184 \| good
2026-03-31T18:00:00.000Z	52 \| moderate	10.364 \| good	10.79 \| good	42.702 \| good	1.864 \| good	5.838 \| good	0.179 \| good
2026-03-31T19:00:00.000Z	52 \| moderate	10.248 \| good	10.714 \| good	43.539 \| good	1.844 \| good	6.135 \| good	0.18 \| good
2026-03-31T20:00:00.000Z	52 \| moderate	10.287 \| good	10.765 \| good	44.376 \| good	1.825 \| good	6.432 \| good	0.18 \| good
2026-03-31T21:00:00.000Z	52 \| moderate	10.446 \| good	10.945 \| good	45.213 \| good	1.805 \| good	6.728 \| good	0.18 \| good
2026-03-31T22:00:00.000Z	54 \| moderate	10.61 \| good	11.103 \| good	44.102 \| good	1.875 \| good	8.187 \| good	0.187 \| good

Meriden

Get reliable air quality data to drive your business

Meriden, Connecticut air quality map: Stay updated on AQI near you

0.24ppm

How accurate is Connecticut, USA air quality data?

Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is air quality information updated for Meriden, Connecticut?

The air quality information for Meriden, Connecticut is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Meriden, Connecticut at its worst?

In the past 24 hours, the air quality in Meriden, Connecticut was at its worst at 09:00:00 on 2026-03-29.

When did Meriden, Connecticut experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Meriden, Connecticut was observed at 11:00:00 on 2026-03-29.

What is the AQI in Meriden, Connecticut right now?

As of now, the AQI in Meriden, Connecticut is 44, indicating Good conditions.

What is the most common type of pollution in Meriden, Connecticut?

Meriden, Connecticut air has the highest levels of O3.

What should I do in case of poor air quality in Meriden, Connecticut?

Poor air quality in Meriden, Connecticut means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Meriden, Connecticut at the moment?

PM_2.5 levels in Meriden, Connecticut are currently 4.986 μg/m³.

What is the PM₁₀ level in Meriden, Connecticut at the moment?

The PM₁₀ concentration in Meriden, Connecticut is 14.16 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Meriden, Connecticut at the moment?

The current carbon monoxide (CO) concentration in Meriden, Connecticut is 0.194 ppm.

What is the sulfur dioxide (SO₂) level in Meriden, Connecticut at the moment?

Currently, Meriden, Connecticut has a sulfur dioxide (SO₂) concentration of 0.28 ppb.

What is the ozone (O₃) level in Meriden, Connecticut at the moment?

The current ozone (O₃) level in Meriden, Connecticut at the moment is 46.975 ppm.

What is the nitrogen dioxide (NO₂) level in Meriden, Connecticut at the moment?

Nitrogen dioxide (NO₂) level in Meriden, Connecticut at the moment is 4.505 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions