What is the current concentration of PM10 in Hamilton, Ohio?

The current PM10 concentration at Hamilton, Ohio is 39.936 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Hamilton, Ohio?

The current sulfur dioxide (SO2) concentration at Hamilton, Ohio is 0.928 ppb.

What is the current concentration of ozone (O3) in Hamilton, Ohio?

The current ozone (O3) concentration at Hamilton, Ohio is 50.559 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Hamilton, Ohio?

The current nitrogen dioxide (NO2) concentration at Hamilton, Ohio is 15.229 ppb.

Hamilton, Ohio live air quality index now

Q: What is the current concentration of PM2.5 in Hamilton, Ohio?

The current PM2.5 concentration at Hamilton, Ohio is 6.496 μg/m3.

Stay updated with real-time air quality in Hamilton, Ohio 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

Hamilton, Ohio

Last updated: ... (Local time)

Major air pollutants in Hamilton, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.94 μg/m³

155

255

425

605+

Ozone (O₃)

50.56 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.23 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.32 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Hamilton, Ohio

Get Live Pollen Counts

Hamilton, Ohio

Scroll To Air Quality Map

Track live Hamilton, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T00:00:00.000Z	36 \| good	6.068 \| good	25.705 \| good	38.827 \| good	0.868 \| good	21.356 \| good	0.465 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	9.982 \| good	35.799 \| good	38.506 \| good	0.845 \| good	29.723 \| good	0.594 \| good
2026-10-21T02:00:00.000Z	58 \| moderate	9.659 \| good	69.625 \| fine	19.266 \| good	0.593 \| good	26.784 \| good	0.609 \| good
2026-10-21T03:00:00.000Z	79 \| moderate	23.645 \| fine	103.845 \| fine	5.653 \| good	1.06 \| good	15.439 \| good	0.269 \| good
2026-10-21T04:00:00.000Z	54 \| moderate	11.056 \| good	60.123 \| fine	15.941 \| good	0.574 \| good	24.693 \| good	0.533 \| good
2026-10-21T05:00:00.000Z	62 \| moderate	15.219 \| fine	36.144 \| good	11.911 \| good	1.019 \| good	26.784 \| good	0.473 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	14.793 \| fine	35.146 \| good	8.977 \| good	0.699 \| good	22.333 \| good	0.404 \| good
2026-10-21T07:00:00.000Z	69 \| moderate	18.928 \| fine	58.252 \| fine	10.971 \| good	0.679 \| good	20.692 \| good	0.424 \| good
2026-10-21T08:00:00.000Z	58 \| moderate	13.277 \| fine	37.446 \| good	9.455 \| good	0.716 \| good	20.473 \| good	0.35 \| good
2026-10-21T09:00:00.000Z	56 \| moderate	11.812 \| good	45.826 \| good	7.194 \| good	0.677 \| good	19.617 \| good	0.358 \| good
2026-10-21T10:00:00.000Z	54 \| moderate	11.168 \| good	40.048 \| good	4.115 \| good	0.652 \| good	19.947 \| good	0.373 \| good
2026-10-21T11:00:00.000Z	56 \| moderate	12.182 \| fine	40.46 \| good	1.134 \| good	0.708 \| good	19.197 \| good	0.487 \| good
2026-10-21T12:00:00.000Z	54 \| moderate	10.682 \| good	39.428 \| good	2.11 \| good	0.951 \| good	19.095 \| good	0.817 \| good
2026-10-21T13:00:00.000Z	54 \| moderate	11.198 \| good	57.695 \| fine	5.009 \| good	0.974 \| good	19.129 \| good	0.913 \| good
2026-10-21T14:00:00.000Z	56 \| moderate	11.948 \| good	48.669 \| good	6.018 \| good	0.958 \| good	18.495 \| good	0.808 \| good
2026-10-21T15:00:00.000Z	58 \| moderate	13.346 \| fine	33.621 \| good	9.965 \| good	0.441 \| good	19.733 \| good	0.624 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	15.338 \| fine	31.457 \| good	13.108 \| good	0.789 \| good	26.201 \| good	0.617 \| good
2026-10-21T17:00:00.000Z	66 \| moderate	16.852 \| fine	38.823 \| good	23.032 \| good	4.955 \| good	29.719 \| good	0.549 \| good
2026-10-21T18:00:00.000Z	58 \| moderate	13.499 \| fine	58.462 \| fine	29.972 \| good	1.752 \| good	26.609 \| good	0.375 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	10.736 \| good	40.465 \| good	37.977 \| good	1.525 \| good	22.119 \| good	0.321 \| good
2026-10-21T20:00:00.000Z	49 \| good	8.661 \| good	32.935 \| good	41.97 \| good	1.357 \| good	19.799 \| good	0.314 \| good
2026-10-21T21:00:00.000Z	43 \| good	7.427 \| good	22.225 \| good	45.961 \| good	1.474 \| good	17.558 \| good	0.321 \| good
2026-10-21T22:00:00.000Z	42 \| good	6.312 \| good	26.934 \| good	44.946 \| good	0.825 \| good	18.347 \| good	0.39 \| good
2026-10-21T23:00:00.000Z	43 \| good	6.037 \| good	25.301 \| good	45.958 \| good	0.81 \| good	14.452 \| good	0.344 \| good
2026-10-22T00:00:00.000Z	43 \| good	6.001 \| good	25.714 \| good	45.856 \| good	0.824 \| good	15.541 \| good	0.419 \| good
2026-10-22T01:00:00.000Z	42 \| good	6.332 \| good	39.609 \| good	44.664 \| good	0.94 \| good	26.818 \| good	0.533 \| good
2026-10-22T02:00:00.000Z	43 \| good	6.76 \| good	46.292 \| good	43.728 \| good	0.988 \| good	25.415 \| good	0.54 \| good
2026-10-22T03:00:00.000Z	75 \| moderate	22.465 \| fine	98.122 \| fine	10.491 \| good	1.199 \| good	19.984 \| good	0.343 \| good
2026-10-22T04:00:00.000Z	54 \| moderate	10.691 \| good	57.988 \| fine	26.649 \| good	1.001 \| good	26.368 \| good	0.577 \| good
2026-10-22T05:00:00.000Z	52 \| moderate	10.403 \| good	39.278 \| good	24.814 \| good	1.029 \| good	21.48 \| good	0.608 \| good
2026-10-22T06:00:00.000Z	49 \| good	9.476 \| good	39.952 \| good	20.68 \| good	0.694 \| good	23.129 \| good	0.487 \| good
2026-10-22T07:00:00.000Z	54 \| moderate	10.73 \| good	46.858 \| good	16.963 \| good	0.714 \| good	19.215 \| good	0.479 \| good
2026-10-22T08:00:00.000Z	56 \| moderate	11.843 \| good	46.241 \| good	9.143 \| good	0.658 \| good	19.14 \| good	0.394 \| good
2026-10-22T09:00:00.000Z	56 \| moderate	11.658 \| good	52.656 \| good	2.381 \| good	0.652 \| good	16.526 \| good	0.386 \| good
2026-10-22T10:00:00.000Z	56 \| moderate	11.615 \| good	31.496 \| good	1.419 \| good	0.746 \| good	17.108 \| good	0.404 \| good
2026-10-22T11:00:00.000Z	58 \| moderate	12.917 \| fine	45.235 \| good	7.768 \| good	0.875 \| good	16.969 \| good	0.479 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	15.533 \| fine	35.577 \| good	8.228 \| good	0.962 \| good	17.727 \| good	0.673 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	13.727 \| fine	53.503 \| good	2.044 \| good	0.77 \| good	16.466 \| good	0.698 \| good
2026-10-22T14:00:00.000Z	56 \| moderate	11.787 \| good	37.444 \| good	3.162 \| good	0.919 \| good	16.434 \| good	0.844 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.299 \| fine	65.419 \| fine	10.139 \| good	0.976 \| good	14.035 \| good	0.609 \| good
2026-10-22T16:00:00.000Z	60 \| moderate	13.85 \| fine	45.127 \| good	22.693 \| good	0.883 \| good	13.889 \| good	0.549 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	14.149 \| fine	34.508 \| good	31.913 \| good	2.272 \| good	9.977 \| good	0.542 \| good
2026-10-22T18:00:00.000Z	52 \| moderate	10.022 \| good	30.342 \| good	36.885 \| good	1.819 \| good	22.615 \| good	0.236 \| good
2026-10-22T19:00:00.000Z	44 \| good	7.789 \| good	32.996 \| good	45.913 \| good	2.359 \| good	19.315 \| good	0.261 \| good
2026-10-22T20:00:00.000Z	47 \| good	6.958 \| good	30.505 \| good	50.829 \| good	3.027 \| good	19.592 \| good	0.314 \| good
2026-10-22T21:00:00.000Z	47 \| good	7.759 \| good	31.601 \| good	50.778 \| good	1.82 \| good	19.318 \| good	0.314 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.789 \| good	24.577 \| good	50.757 \| good	0.9 \| good	19.492 \| good	0.314 \| good
2026-10-22T23:00:00.000Z	47 \| good	6.496 \| good	39.936 \| good	50.559 \| good	0.928 \| good	15.229 \| good	0.321 \| good
2026-10-22T23:00:00.000Z	47 \| good	6.496 \| good	39.936 \| good	50.559 \| good	0.928 \| good	15.229 \| good	0.321 \| good
2026-10-23T00:00:00.000Z	56 \| moderate	11.885 \| good	53.504 \| good	12.013 \| good	1.267 \| good	10.003 \| good	0.259 \| good
2026-10-23T01:00:00.000Z	60 \| moderate	14.091 \| fine	63.286 \| fine	6.507 \| good	1.285 \| good	11.42 \| good	0.269 \| good
2026-10-23T02:00:00.000Z	67 \| moderate	18.464 \| fine	81.633 \| fine	5.192 \| good	1.296 \| good	12.226 \| good	0.275 \| good
2026-10-23T03:00:00.000Z	73 \| moderate	21.438 \| fine	94.474 \| fine	4.759 \| good	1.302 \| good	12.871 \| good	0.28 \| good
2026-10-23T04:00:00.000Z	71 \| moderate	20.366 \| fine	89.255 \| fine	3.272 \| good	1.302 \| good	12.954 \| good	0.283 \| good
2026-10-23T05:00:00.000Z	71 \| moderate	20.232 \| fine	88.845 \| fine	4.309 \| good	1.296 \| good	12.061 \| good	0.28 \| good
2026-10-23T06:00:00.000Z	69 \| moderate	19.059 \| fine	83.955 \| fine	5.968 \| good	1.29 \| good	11.138 \| good	0.275 \| good
2026-10-23T07:00:00.000Z	67 \| moderate	18.266 \| fine	80.992 \| fine	7.068 \| good	1.284 \| good	10.548 \| good	0.271 \| good
2026-10-23T08:00:00.000Z	67 \| moderate	18.357 \| fine	81.475 \| fine	4.59 \| good	1.275 \| good	10.185 \| good	0.267 \| good
2026-10-23T09:00:00.000Z	71 \| moderate	20.414 \| fine	90.019 \| fine	2.878 \| good	1.267 \| good	9.944 \| good	0.263 \| good
2026-10-23T10:00:00.000Z	67 \| moderate	18.431 \| fine	81.414 \| fine	4.285 \| good	1.261 \| good	9.845 \| good	0.261 \| good
2026-10-23T11:00:00.000Z	73 \| moderate	20.746 \| fine	91.247 \| fine	3.708 \| good	1.264 \| good	10.122 \| good	0.262 \| good
2026-10-23T12:00:00.000Z	69 \| moderate	19.08 \| fine	84.687 \| fine	3.028 \| good	1.284 \| good	11.696 \| good	0.275 \| good
2026-10-23T13:00:00.000Z	60 \| moderate	14.218 \| fine	64.017 \| fine	7.719 \| good	1.285 \| good	10.957 \| good	0.296 \| good
2026-10-23T14:00:00.000Z	60 \| moderate	13.614 \| fine	61.467 \| fine	18.06 \| good	1.384 \| good	8.543 \| good	0.291 \| good
2026-10-23T15:00:00.000Z	60 \| moderate	14.499 \| fine	64.908 \| fine	30.122 \| good	1.708 \| good	6.239 \| good	0.259 \| good
2026-10-23T16:00:00.000Z	54 \| moderate	11.181 \| good	49.275 \| good	38.331 \| good	1.739 \| good	3.716 \| good	0.218 \| good
2026-10-23T17:00:00.000Z	44 \| good	8.37 \| good	36.691 \| good	44.178 \| good	1.355 \| good	2.057 \| good	0.192 \| good
2026-10-23T18:00:00.000Z	44 \| good	7.375 \| good	32.557 \| good	46.979 \| good	1.163 \| good	1.47 \| good	0.185 \| good
2026-10-23T19:00:00.000Z	44 \| good	6.362 \| good	28.322 \| good	47.141 \| good	1.087 \| good	1.276 \| good	0.182 \| good
2026-10-23T20:00:00.000Z	44 \| good	6.361 \| good	28.269 \| good	48.146 \| good	1.058 \| good	1.261 \| good	0.182 \| good
2026-10-23T21:00:00.000Z	44 \| good	7.991 \| good	35.247 \| good	45.895 \| good	1.054 \| good	1.437 \| good	0.183 \| good
2026-10-23T22:00:00.000Z	52 \| moderate	9.73 \| good	43.375 \| good	38.076 \| good	1.045 \| good	2.175 \| good	0.19 \| good
2026-10-23T23:00:00.000Z	62 \| moderate	14.979 \| fine	67.255 \| fine	30.662 \| good	0.999 \| good	5.986 \| good	0.224 \| good
2026-10-24T00:00:00.000Z	66 \| moderate	17.325 \| fine	76.614 \| fine	22.454 \| good	0.98 \| good	9.174 \| good	0.252 \| good
2026-10-24T01:00:00.000Z	66 \| moderate	17.093 \| fine	76.119 \| fine	18.516 \| good	0.964 \| good	10.193 \| good	0.254 \| good
2026-10-24T02:00:00.000Z	73 \| moderate	21.341 \| fine	93.407 \| fine	17.272 \| good	0.937 \| good	11.075 \| good	0.257 \| good
2026-10-24T03:00:00.000Z	75 \| moderate	21.834 \| fine	95.865 \| fine	17.461 \| good	0.908 \| good	11.796 \| good	0.259 \| good
2026-10-24T04:00:00.000Z	71 \| moderate	19.928 \| fine	87.716 \| fine	14.75 \| good	0.874 \| good	12.04 \| good	0.261 \| good
2026-10-24T05:00:00.000Z	67 \| moderate	18.451 \| fine	81.471 \| fine	12.856 \| good	0.835 \| good	11.397 \| good	0.26 \| good
2026-10-24T06:00:00.000Z	66 \| moderate	17.008 \| fine	75.701 \| fine	11.852 \| good	0.807 \| good	10.541 \| good	0.257 \| good
2026-10-24T07:00:00.000Z	64 \| moderate	16.094 \| fine	71.532 \| fine	10.401 \| good	0.792 \| good	10.012 \| good	0.254 \| good
2026-10-24T08:00:00.000Z	64 \| moderate	15.824 \| fine	70.124 \| fine	8.787 \| good	0.787 \| good	9.643 \| good	0.252 \| good
2026-10-24T09:00:00.000Z	69 \| moderate	18.858 \| fine	83.246 \| fine	10.102 \| good	0.791 \| good	9.282 \| good	0.25 \| good
2026-10-24T10:00:00.000Z	62 \| moderate	15.132 \| fine	67.338 \| fine	10.904 \| good	0.808 \| good	8.98 \| good	0.249 \| good
2026-10-24T11:00:00.000Z	66 \| moderate	17.361 \| fine	76.451 \| fine	10.135 \| good	0.831 \| good	9.208 \| good	0.25 \| good
2026-10-24T12:00:00.000Z	62 \| moderate	15.418 \| fine	68.396 \| fine	10.194 \| good	0.855 \| good	10.754 \| good	0.262 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	13.204 \| fine	59.364 \| fine	12.869 \| good	0.857 \| good	9.822 \| good	0.279 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	14.029 \| fine	62.884 \| fine	19.458 \| good	0.957 \| good	7.185 \| good	0.267 \| good
2026-10-24T15:00:00.000Z	62 \| moderate	14.688 \| fine	65.697 \| fine	27.192 \| good	1.252 \| good	5.158 \| good	0.237 \| good
2026-10-24T16:00:00.000Z	54 \| moderate	11.069 \| good	49.006 \| good	35.89 \| good	1.549 \| good	3.008 \| good	0.204 \| good
2026-10-24T17:00:00.000Z	49 \| good	9.05 \| good	40.406 \| good	42.823 \| good	1.286 \| good	1.746 \| good	0.189 \| good
2026-10-24T18:00:00.000Z	44 \| good	8.085 \| good	35.202 \| good	46.69 \| good	1.164 \| good	1.404 \| good	0.185 \| good
2026-10-24T19:00:00.000Z	45 \| good	7.414 \| good	32.863 \| good	48.855 \| good	1.083 \| good	1.274 \| good	0.182 \| good
2026-10-24T20:00:00.000Z	46 \| good	7.024 \| good	31.326 \| good	50.495 \| good	1.028 \| good	1.291 \| good	0.18 \| good
2026-10-24T21:00:00.000Z	47 \| good	8.373 \| good	36.764 \| good	51.149 \| good	0.99 \| good	1.477 \| good	0.179 \| good
2026-10-24T22:00:00.000Z	52 \| moderate	9.835 \| good	43.765 \| good	44.942 \| good	0.938 \| good	2.391 \| good	0.186 \| good
2026-10-24T23:00:00.000Z	64 \| moderate	16.129 \| fine	71.263 \| fine	30.641 \| good	0.89 \| good	7.338 \| good	0.225 \| good

Hamilton

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Hamilton, Ohio air quality map: Track AQI near you

0.29ppm

How accurate is Ohio, USA air quality data?

Air quality data and pollutant measurements for Ohio, 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 Hamilton, Ohio updated?

The air quality for Hamilton, Ohio is updated every hour.

When was the worst air quality at Hamilton, Ohio in the last 24 hrs?

The worst air quality in Hamilton, Ohio in the last 24 hours was observed at 03:00:00 on 2026-10-22.

When was the best air quality at Hamilton, Ohio in the last 24 hrs?

In the last 24 hrs, the best air quality in Hamilton, Ohio was observed at 01:00:00 on 2026-10-22.

What is the current air quality in Hamilton, Ohio?

The current air quality in Hamilton, Ohio is 47, categorized as Good based on real-time data.

What pollutant is the most common in Hamilton, Ohio?

The most common pollutant in Hamilton, Ohio is O3.

What should I do if the air quality in Hamilton, Ohio is poor?

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

What is the current concentration of PM_2.5 in Hamilton, Ohio?

The current PM_2.5 concentration at Hamilton, Ohio is 6.496 μg/m³.

What is the current concentration of PM₁₀ in Hamilton, Ohio?

The current PM₁₀ concentration at Hamilton, Ohio is 39.936 μg/m³.

What is the current concentration of carbon monoxide (CO) in Hamilton, Ohio?

The current carbon monoxide (CO) concentration at Hamilton, Ohio is 0.321 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Hamilton, Ohio?

The current sulfur dioxide (SO₂) concentration at Hamilton, Ohio is 0.928 ppb.

What is the current concentration of ozone (O₃) in Hamilton, Ohio?

The current ozone (O₃) concentration at Hamilton, Ohio is 50.559 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Hamilton, Ohio?

The current nitrogen dioxide (NO₂) concentration at Hamilton, Ohio is 15.229 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-21T00:00:00.000Z	36 \| good	6.068 \| good	25.705 \| good	38.827 \| good	0.868 \| good	21.356 \| good	0.465 \| good
2026-10-21T01:00:00.000Z	52 \| moderate	9.982 \| good	35.799 \| good	38.506 \| good	0.845 \| good	29.723 \| good	0.594 \| good
2026-10-21T02:00:00.000Z	58 \| moderate	9.659 \| good	69.625 \| fine	19.266 \| good	0.593 \| good	26.784 \| good	0.609 \| good
2026-10-21T03:00:00.000Z	79 \| moderate	23.645 \| fine	103.845 \| fine	5.653 \| good	1.06 \| good	15.439 \| good	0.269 \| good
2026-10-21T04:00:00.000Z	54 \| moderate	11.056 \| good	60.123 \| fine	15.941 \| good	0.574 \| good	24.693 \| good	0.533 \| good
2026-10-21T05:00:00.000Z	62 \| moderate	15.219 \| fine	36.144 \| good	11.911 \| good	1.019 \| good	26.784 \| good	0.473 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	14.793 \| fine	35.146 \| good	8.977 \| good	0.699 \| good	22.333 \| good	0.404 \| good
2026-10-21T07:00:00.000Z	69 \| moderate	18.928 \| fine	58.252 \| fine	10.971 \| good	0.679 \| good	20.692 \| good	0.424 \| good
2026-10-21T08:00:00.000Z	58 \| moderate	13.277 \| fine	37.446 \| good	9.455 \| good	0.716 \| good	20.473 \| good	0.35 \| good
2026-10-21T09:00:00.000Z	56 \| moderate	11.812 \| good	45.826 \| good	7.194 \| good	0.677 \| good	19.617 \| good	0.358 \| good
2026-10-21T10:00:00.000Z	54 \| moderate	11.168 \| good	40.048 \| good	4.115 \| good	0.652 \| good	19.947 \| good	0.373 \| good
2026-10-21T11:00:00.000Z	56 \| moderate	12.182 \| fine	40.46 \| good	1.134 \| good	0.708 \| good	19.197 \| good	0.487 \| good
2026-10-21T12:00:00.000Z	54 \| moderate	10.682 \| good	39.428 \| good	2.11 \| good	0.951 \| good	19.095 \| good	0.817 \| good
2026-10-21T13:00:00.000Z	54 \| moderate	11.198 \| good	57.695 \| fine	5.009 \| good	0.974 \| good	19.129 \| good	0.913 \| good
2026-10-21T14:00:00.000Z	56 \| moderate	11.948 \| good	48.669 \| good	6.018 \| good	0.958 \| good	18.495 \| good	0.808 \| good
2026-10-21T15:00:00.000Z	58 \| moderate	13.346 \| fine	33.621 \| good	9.965 \| good	0.441 \| good	19.733 \| good	0.624 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	15.338 \| fine	31.457 \| good	13.108 \| good	0.789 \| good	26.201 \| good	0.617 \| good
2026-10-21T17:00:00.000Z	66 \| moderate	16.852 \| fine	38.823 \| good	23.032 \| good	4.955 \| good	29.719 \| good	0.549 \| good
2026-10-21T18:00:00.000Z	58 \| moderate	13.499 \| fine	58.462 \| fine	29.972 \| good	1.752 \| good	26.609 \| good	0.375 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	10.736 \| good	40.465 \| good	37.977 \| good	1.525 \| good	22.119 \| good	0.321 \| good
2026-10-21T20:00:00.000Z	49 \| good	8.661 \| good	32.935 \| good	41.97 \| good	1.357 \| good	19.799 \| good	0.314 \| good
2026-10-21T21:00:00.000Z	43 \| good	7.427 \| good	22.225 \| good	45.961 \| good	1.474 \| good	17.558 \| good	0.321 \| good
2026-10-21T22:00:00.000Z	42 \| good	6.312 \| good	26.934 \| good	44.946 \| good	0.825 \| good	18.347 \| good	0.39 \| good
2026-10-21T23:00:00.000Z	43 \| good	6.037 \| good	25.301 \| good	45.958 \| good	0.81 \| good	14.452 \| good	0.344 \| good
2026-10-22T00:00:00.000Z	43 \| good	6.001 \| good	25.714 \| good	45.856 \| good	0.824 \| good	15.541 \| good	0.419 \| good
2026-10-22T01:00:00.000Z	42 \| good	6.332 \| good	39.609 \| good	44.664 \| good	0.94 \| good	26.818 \| good	0.533 \| good
2026-10-22T02:00:00.000Z	43 \| good	6.76 \| good	46.292 \| good	43.728 \| good	0.988 \| good	25.415 \| good	0.54 \| good
2026-10-22T03:00:00.000Z	75 \| moderate	22.465 \| fine	98.122 \| fine	10.491 \| good	1.199 \| good	19.984 \| good	0.343 \| good
2026-10-22T04:00:00.000Z	54 \| moderate	10.691 \| good	57.988 \| fine	26.649 \| good	1.001 \| good	26.368 \| good	0.577 \| good
2026-10-22T05:00:00.000Z	52 \| moderate	10.403 \| good	39.278 \| good	24.814 \| good	1.029 \| good	21.48 \| good	0.608 \| good
2026-10-22T06:00:00.000Z	49 \| good	9.476 \| good	39.952 \| good	20.68 \| good	0.694 \| good	23.129 \| good	0.487 \| good
2026-10-22T07:00:00.000Z	54 \| moderate	10.73 \| good	46.858 \| good	16.963 \| good	0.714 \| good	19.215 \| good	0.479 \| good
2026-10-22T08:00:00.000Z	56 \| moderate	11.843 \| good	46.241 \| good	9.143 \| good	0.658 \| good	19.14 \| good	0.394 \| good
2026-10-22T09:00:00.000Z	56 \| moderate	11.658 \| good	52.656 \| good	2.381 \| good	0.652 \| good	16.526 \| good	0.386 \| good
2026-10-22T10:00:00.000Z	56 \| moderate	11.615 \| good	31.496 \| good	1.419 \| good	0.746 \| good	17.108 \| good	0.404 \| good
2026-10-22T11:00:00.000Z	58 \| moderate	12.917 \| fine	45.235 \| good	7.768 \| good	0.875 \| good	16.969 \| good	0.479 \| good
2026-10-22T12:00:00.000Z	64 \| moderate	15.533 \| fine	35.577 \| good	8.228 \| good	0.962 \| good	17.727 \| good	0.673 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	13.727 \| fine	53.503 \| good	2.044 \| good	0.77 \| good	16.466 \| good	0.698 \| good
2026-10-22T14:00:00.000Z	56 \| moderate	11.787 \| good	37.444 \| good	3.162 \| good	0.919 \| good	16.434 \| good	0.844 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.299 \| fine	65.419 \| fine	10.139 \| good	0.976 \| good	14.035 \| good	0.609 \| good
2026-10-22T16:00:00.000Z	60 \| moderate	13.85 \| fine	45.127 \| good	22.693 \| good	0.883 \| good	13.889 \| good	0.549 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	14.149 \| fine	34.508 \| good	31.913 \| good	2.272 \| good	9.977 \| good	0.542 \| good
2026-10-22T18:00:00.000Z	52 \| moderate	10.022 \| good	30.342 \| good	36.885 \| good	1.819 \| good	22.615 \| good	0.236 \| good
2026-10-22T19:00:00.000Z	44 \| good	7.789 \| good	32.996 \| good	45.913 \| good	2.359 \| good	19.315 \| good	0.261 \| good
2026-10-22T20:00:00.000Z	47 \| good	6.958 \| good	30.505 \| good	50.829 \| good	3.027 \| good	19.592 \| good	0.314 \| good
2026-10-22T21:00:00.000Z	47 \| good	7.759 \| good	31.601 \| good	50.778 \| good	1.82 \| good	19.318 \| good	0.314 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.789 \| good	24.577 \| good	50.757 \| good	0.9 \| good	19.492 \| good	0.314 \| good
2026-10-22T23:00:00.000Z	47 \| good	6.496 \| good	39.936 \| good	50.559 \| good	0.928 \| good	15.229 \| good	0.321 \| good
2026-10-22T23:00:00.000Z	47 \| good	6.496 \| good	39.936 \| good	50.559 \| good	0.928 \| good	15.229 \| good	0.321 \| good
2026-10-23T00:00:00.000Z	56 \| moderate	11.885 \| good	53.504 \| good	12.013 \| good	1.267 \| good	10.003 \| good	0.259 \| good
2026-10-23T01:00:00.000Z	60 \| moderate	14.091 \| fine	63.286 \| fine	6.507 \| good	1.285 \| good	11.42 \| good	0.269 \| good
2026-10-23T02:00:00.000Z	67 \| moderate	18.464 \| fine	81.633 \| fine	5.192 \| good	1.296 \| good	12.226 \| good	0.275 \| good
2026-10-23T03:00:00.000Z	73 \| moderate	21.438 \| fine	94.474 \| fine	4.759 \| good	1.302 \| good	12.871 \| good	0.28 \| good
2026-10-23T04:00:00.000Z	71 \| moderate	20.366 \| fine	89.255 \| fine	3.272 \| good	1.302 \| good	12.954 \| good	0.283 \| good
2026-10-23T05:00:00.000Z	71 \| moderate	20.232 \| fine	88.845 \| fine	4.309 \| good	1.296 \| good	12.061 \| good	0.28 \| good
2026-10-23T06:00:00.000Z	69 \| moderate	19.059 \| fine	83.955 \| fine	5.968 \| good	1.29 \| good	11.138 \| good	0.275 \| good
2026-10-23T07:00:00.000Z	67 \| moderate	18.266 \| fine	80.992 \| fine	7.068 \| good	1.284 \| good	10.548 \| good	0.271 \| good
2026-10-23T08:00:00.000Z	67 \| moderate	18.357 \| fine	81.475 \| fine	4.59 \| good	1.275 \| good	10.185 \| good	0.267 \| good
2026-10-23T09:00:00.000Z	71 \| moderate	20.414 \| fine	90.019 \| fine	2.878 \| good	1.267 \| good	9.944 \| good	0.263 \| good
2026-10-23T10:00:00.000Z	67 \| moderate	18.431 \| fine	81.414 \| fine	4.285 \| good	1.261 \| good	9.845 \| good	0.261 \| good
2026-10-23T11:00:00.000Z	73 \| moderate	20.746 \| fine	91.247 \| fine	3.708 \| good	1.264 \| good	10.122 \| good	0.262 \| good
2026-10-23T12:00:00.000Z	69 \| moderate	19.08 \| fine	84.687 \| fine	3.028 \| good	1.284 \| good	11.696 \| good	0.275 \| good
2026-10-23T13:00:00.000Z	60 \| moderate	14.218 \| fine	64.017 \| fine	7.719 \| good	1.285 \| good	10.957 \| good	0.296 \| good
2026-10-23T14:00:00.000Z	60 \| moderate	13.614 \| fine	61.467 \| fine	18.06 \| good	1.384 \| good	8.543 \| good	0.291 \| good
2026-10-23T15:00:00.000Z	60 \| moderate	14.499 \| fine	64.908 \| fine	30.122 \| good	1.708 \| good	6.239 \| good	0.259 \| good
2026-10-23T16:00:00.000Z	54 \| moderate	11.181 \| good	49.275 \| good	38.331 \| good	1.739 \| good	3.716 \| good	0.218 \| good
2026-10-23T17:00:00.000Z	44 \| good	8.37 \| good	36.691 \| good	44.178 \| good	1.355 \| good	2.057 \| good	0.192 \| good
2026-10-23T18:00:00.000Z	44 \| good	7.375 \| good	32.557 \| good	46.979 \| good	1.163 \| good	1.47 \| good	0.185 \| good
2026-10-23T19:00:00.000Z	44 \| good	6.362 \| good	28.322 \| good	47.141 \| good	1.087 \| good	1.276 \| good	0.182 \| good
2026-10-23T20:00:00.000Z	44 \| good	6.361 \| good	28.269 \| good	48.146 \| good	1.058 \| good	1.261 \| good	0.182 \| good
2026-10-23T21:00:00.000Z	44 \| good	7.991 \| good	35.247 \| good	45.895 \| good	1.054 \| good	1.437 \| good	0.183 \| good
2026-10-23T22:00:00.000Z	52 \| moderate	9.73 \| good	43.375 \| good	38.076 \| good	1.045 \| good	2.175 \| good	0.19 \| good
2026-10-23T23:00:00.000Z	62 \| moderate	14.979 \| fine	67.255 \| fine	30.662 \| good	0.999 \| good	5.986 \| good	0.224 \| good
2026-10-24T00:00:00.000Z	66 \| moderate	17.325 \| fine	76.614 \| fine	22.454 \| good	0.98 \| good	9.174 \| good	0.252 \| good
2026-10-24T01:00:00.000Z	66 \| moderate	17.093 \| fine	76.119 \| fine	18.516 \| good	0.964 \| good	10.193 \| good	0.254 \| good
2026-10-24T02:00:00.000Z	73 \| moderate	21.341 \| fine	93.407 \| fine	17.272 \| good	0.937 \| good	11.075 \| good	0.257 \| good
2026-10-24T03:00:00.000Z	75 \| moderate	21.834 \| fine	95.865 \| fine	17.461 \| good	0.908 \| good	11.796 \| good	0.259 \| good
2026-10-24T04:00:00.000Z	71 \| moderate	19.928 \| fine	87.716 \| fine	14.75 \| good	0.874 \| good	12.04 \| good	0.261 \| good
2026-10-24T05:00:00.000Z	67 \| moderate	18.451 \| fine	81.471 \| fine	12.856 \| good	0.835 \| good	11.397 \| good	0.26 \| good
2026-10-24T06:00:00.000Z	66 \| moderate	17.008 \| fine	75.701 \| fine	11.852 \| good	0.807 \| good	10.541 \| good	0.257 \| good
2026-10-24T07:00:00.000Z	64 \| moderate	16.094 \| fine	71.532 \| fine	10.401 \| good	0.792 \| good	10.012 \| good	0.254 \| good
2026-10-24T08:00:00.000Z	64 \| moderate	15.824 \| fine	70.124 \| fine	8.787 \| good	0.787 \| good	9.643 \| good	0.252 \| good
2026-10-24T09:00:00.000Z	69 \| moderate	18.858 \| fine	83.246 \| fine	10.102 \| good	0.791 \| good	9.282 \| good	0.25 \| good
2026-10-24T10:00:00.000Z	62 \| moderate	15.132 \| fine	67.338 \| fine	10.904 \| good	0.808 \| good	8.98 \| good	0.249 \| good
2026-10-24T11:00:00.000Z	66 \| moderate	17.361 \| fine	76.451 \| fine	10.135 \| good	0.831 \| good	9.208 \| good	0.25 \| good
2026-10-24T12:00:00.000Z	62 \| moderate	15.418 \| fine	68.396 \| fine	10.194 \| good	0.855 \| good	10.754 \| good	0.262 \| good
2026-10-24T13:00:00.000Z	58 \| moderate	13.204 \| fine	59.364 \| fine	12.869 \| good	0.857 \| good	9.822 \| good	0.279 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	14.029 \| fine	62.884 \| fine	19.458 \| good	0.957 \| good	7.185 \| good	0.267 \| good
2026-10-24T15:00:00.000Z	62 \| moderate	14.688 \| fine	65.697 \| fine	27.192 \| good	1.252 \| good	5.158 \| good	0.237 \| good
2026-10-24T16:00:00.000Z	54 \| moderate	11.069 \| good	49.006 \| good	35.89 \| good	1.549 \| good	3.008 \| good	0.204 \| good
2026-10-24T17:00:00.000Z	49 \| good	9.05 \| good	40.406 \| good	42.823 \| good	1.286 \| good	1.746 \| good	0.189 \| good
2026-10-24T18:00:00.000Z	44 \| good	8.085 \| good	35.202 \| good	46.69 \| good	1.164 \| good	1.404 \| good	0.185 \| good
2026-10-24T19:00:00.000Z	45 \| good	7.414 \| good	32.863 \| good	48.855 \| good	1.083 \| good	1.274 \| good	0.182 \| good
2026-10-24T20:00:00.000Z	46 \| good	7.024 \| good	31.326 \| good	50.495 \| good	1.028 \| good	1.291 \| good	0.18 \| good
2026-10-24T21:00:00.000Z	47 \| good	8.373 \| good	36.764 \| good	51.149 \| good	0.99 \| good	1.477 \| good	0.179 \| good
2026-10-24T22:00:00.000Z	52 \| moderate	9.835 \| good	43.765 \| good	44.942 \| good	0.938 \| good	2.391 \| good	0.186 \| good
2026-10-24T23:00:00.000Z	64 \| moderate	16.129 \| fine	71.263 \| fine	30.641 \| good	0.89 \| good	7.338 \| good	0.225 \| good

Hamilton, Ohio live air quality index now

Major air pollutants in Hamilton, Ohio

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Hamilton, Ohio air quality forecast and history

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Hamilton, Ohio air quality map: Track AQI near you

Air quality in nearby cities

Fairfield, Ohio

Trenton, Ohio

Forest Park, Ohio

Springdale, Ohio

Northbrook, Ohio

Monroe, Ohio

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Air quality levels in US

Frequently asked questions

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What is the current concentration of PM2.5 in Hamilton, Ohio?

What is the current concentration of PM10 in Hamilton, Ohio?

What is the current concentration of carbon monoxide (CO) in Hamilton, Ohio?

What is the current concentration of sulfur dioxide (SO2) in Hamilton, Ohio?

What is the current concentration of ozone (O3) in Hamilton, Ohio?

What is the current concentration of nitrogen dioxide (NO2) in Hamilton, Ohio?

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 Hamilton, Ohio?

What is the current concentration of PM₁₀ in Hamilton, Ohio?

What is the current concentration of sulfur dioxide (SO₂) in Hamilton, Ohio?

What is the current concentration of ozone (O₃) in Hamilton, Ohio?

What is the current concentration of nitrogen dioxide (NO₂) in Hamilton, Ohio?