What is the current level of PM10 in Mason, Ohio?

Mason, Ohio currently has a PM10 concentration of 40.524 μg/m3.

What is the current level of sulfur dioxide (SO2) in Mason, Ohio?

The current sulfur dioxide (SO2) concentration in Mason, Ohio is 1.845 ppb.

What is the current level of ozone (O3) in Mason, Ohio?

Mason, Ohio currently has an ozone (O3) concentration of 33.424 ppm.

What is the current level of nitrogen dioxide (NO2) in Mason, Ohio?

The current level of nitrogen dioxide (NO2) in Mason, Ohio is 21.124 ppb.

Current air quality index in Mason, Ohio today

Q: What is the PM2.5 concentration in Mason, Ohio right now?

Mason, Ohio currently has a PM2.5 concentration of 9.998 μg/m3.

Stay updated with real-time air quality in Mason, 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

Mason, Ohio

Last updated: ... (Local time)

Common air pollutants in Mason, Ohio

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.74 μg/m³

155

255

425

605+

Ozone (O₃)

47.94 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

15.91 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Mason, Ohio

Get Live Pollen Counts

Mason, Ohio

Scroll To Air Quality Map

Track live Mason, Ohio air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T23:00:00.000Z	49 \| good	8.973 \| good	36.048 \| good	41.471 \| good	0.984 \| good	10.46 \| good	0.309 \| good
2026-10-21T00:00:00.000Z	56 \| moderate	11.837 \| good	50.545 \| good	35.702 \| good	0.953 \| good	19.826 \| good	0.43 \| good
2026-10-21T01:00:00.000Z	75 \| moderate	21.879 \| fine	84.759 \| fine	28.242 \| good	0.945 \| good	23.931 \| good	0.538 \| good
2026-10-21T02:00:00.000Z	77 \| moderate	22.555 \| fine	88.72 \| fine	24.133 \| good	0.653 \| good	22.17 \| good	0.553 \| good
2026-10-21T03:00:00.000Z	77 \| moderate	23.458 \| fine	101.944 \| fine	7.226 \| good	1.108 \| good	15.455 \| good	0.27 \| good
2026-10-21T04:00:00.000Z	92 \| moderate	30.663 \| fine	130.48 \| fine	14.996 \| good	0.64 \| good	22.036 \| good	0.483 \| good
2026-10-21T05:00:00.000Z	92 \| moderate	30.981 \| fine	109.095 \| fine	10.729 \| good	1.018 \| good	23.715 \| good	0.434 \| good
2026-10-21T06:00:00.000Z	88 \| moderate	29.284 \| fine	116.763 \| fine	8.794 \| good	0.896 \| good	20.083 \| good	0.377 \| good
2026-10-21T07:00:00.000Z	75 \| moderate	22.279 \| fine	87.645 \| fine	9.766 \| good	0.876 \| good	19.734 \| good	0.4 \| good
2026-10-21T08:00:00.000Z	67 \| moderate	18.046 \| fine	72.506 \| fine	19.677 \| good	0.899 \| good	18.345 \| good	0.333 \| good
2026-10-21T09:00:00.000Z	64 \| moderate	15.644 \| fine	51.357 \| good	11.119 \| good	0.862 \| good	18.316 \| good	0.341 \| good
2026-10-21T10:00:00.000Z	64 \| moderate	16.45 \| fine	66.054 \| fine	7.561 \| good	0.801 \| good	19.168 \| good	0.364 \| good
2026-10-21T11:00:00.000Z	62 \| moderate	15.408 \| fine	63.885 \| fine	4.737 \| good	0.781 \| good	18.927 \| good	0.452 \| good
2026-10-21T12:00:00.000Z	60 \| moderate	13.861 \| fine	51.182 \| good	4.917 \| good	0.994 \| good	18.627 \| good	0.792 \| good
2026-10-21T13:00:00.000Z	58 \| moderate	12.813 \| fine	49.396 \| good	5.261 \| good	0.996 \| good	18.924 \| good	0.882 \| good
2026-10-21T14:00:00.000Z	58 \| moderate	12.944 \| fine	52.162 \| good	6.641 \| good	0.995 \| good	16.839 \| good	0.726 \| good
2026-10-21T15:00:00.000Z	58 \| moderate	13.439 \| fine	53.214 \| good	9.718 \| good	0.437 \| good	17.536 \| good	0.548 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	15.275 \| fine	60.507 \| fine	15.014 \| good	0.965 \| good	22.704 \| good	0.539 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.284 \| fine	71.824 \| fine	23.977 \| good	5.695 \| good	24.818 \| good	0.482 \| good
2026-10-21T18:00:00.000Z	62 \| moderate	14.536 \| fine	51.746 \| good	29.386 \| good	2.011 \| good	21.543 \| good	0.343 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	10.984 \| good	42.397 \| good	37.455 \| good	1.575 \| good	17.515 \| good	0.3 \| good
2026-10-21T20:00:00.000Z	49 \| good	8.794 \| good	35.366 \| good	41.299 \| good	1.291 \| good	15.249 \| good	0.292 \| good
2026-10-21T21:00:00.000Z	44 \| good	7.701 \| good	31.503 \| good	45.205 \| good	1.803 \| good	13.414 \| good	0.3 \| good
2026-10-21T22:00:00.000Z	41 \| good	6.648 \| good	27.779 \| good	43.816 \| good	0.933 \| good	12.887 \| good	0.358 \| good
2026-10-21T23:00:00.000Z	42 \| good	5.789 \| good	24.052 \| good	44.821 \| good	0.967 \| good	12.078 \| good	0.329 \| good
2026-10-22T00:00:00.000Z	40 \| good	6.709 \| good	28.517 \| good	42.95 \| good	0.931 \| good	12.231 \| good	0.393 \| good
2026-10-22T01:00:00.000Z	44 \| good	7.98 \| good	33.525 \| good	36.745 \| good	0.992 \| good	14.363 \| good	0.485 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	10.27 \| good	39.705 \| good	37.383 \| good	1.012 \| good	20.709 \| good	0.493 \| good
2026-10-22T03:00:00.000Z	84 \| moderate	27.491 \| fine	119.456 \| fine	7.044 \| good	1.15 \| good	18.117 \| good	0.325 \| good
2026-10-22T04:00:00.000Z	62 \| moderate	15.099 \| fine	55.711 \| fine	19.149 \| good	1.016 \| good	24.857 \| good	0.532 \| good
2026-10-22T05:00:00.000Z	64 \| moderate	16.334 \| fine	61.326 \| fine	20.625 \| good	1.295 \| good	20.454 \| good	0.547 \| good
2026-10-22T06:00:00.000Z	66 \| moderate	16.74 \| fine	65.151 \| fine	14.095 \| good	0.865 \| good	19.021 \| good	0.448 \| good
2026-10-22T07:00:00.000Z	66 \| moderate	17.377 \| fine	67.585 \| fine	15.257 \| good	0.884 \| good	15.711 \| good	0.438 \| good
2026-10-22T08:00:00.000Z	64 \| moderate	15.822 \| fine	60.781 \| fine	12.701 \| good	0.856 \| good	15.136 \| good	0.358 \| good
2026-10-22T09:00:00.000Z	62 \| moderate	14.72 \| fine	57.66 \| fine	10.58 \| good	0.717 \| good	13.719 \| good	0.35 \| good
2026-10-22T10:00:00.000Z	60 \| moderate	13.768 \| fine	54.025 \| good	10.444 \| good	0.767 \| good	14.169 \| good	0.374 \| good
2026-10-22T11:00:00.000Z	60 \| moderate	13.79 \| fine	50.245 \| good	2.941 \| good	0.989 \| good	14.922 \| good	0.446 \| good
2026-10-22T12:00:00.000Z	60 \| moderate	13.812 \| fine	52.791 \| good	4.827 \| good	0.997 \| good	17.124 \| good	0.663 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	14.392 \| fine	56.731 \| fine	3.049 \| good	0.91 \| good	14.773 \| good	0.638 \| good
2026-10-22T14:00:00.000Z	60 \| moderate	14.302 \| fine	58.398 \| fine	6.643 \| good	0.994 \| good	16.484 \| good	0.741 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.183 \| fine	61.666 \| fine	12.966 \| good	1.001 \| good	13.425 \| good	0.531 \| good
2026-10-22T16:00:00.000Z	62 \| moderate	14.792 \| fine	59.724 \| fine	16.567 \| good	0.989 \| good	15.836 \| good	0.48 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	14.483 \| fine	54.341 \| good	30.52 \| good	2.19 \| good	10.619 \| good	0.471 \| good
2026-10-22T18:00:00.000Z	52 \| moderate	9.906 \| good	37.465 \| good	34.493 \| good	2.113 \| good	19.933 \| good	0.237 \| good
2026-10-22T19:00:00.000Z	44 \| good	7.697 \| good	30.682 \| good	43.927 \| good	2.781 \| good	16.508 \| good	0.252 \| good
2026-10-22T20:00:00.000Z	44 \| good	5.393 \| good	19.742 \| good	46.683 \| good	3.672 \| good	16.568 \| good	0.295 \| good
2026-10-22T21:00:00.000Z	44 \| good	7.557 \| good	32.554 \| good	45.422 \| good	1.785 \| good	15.771 \| good	0.292 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.678 \| good	33.246 \| good	45.471 \| good	0.944 \| good	15.488 \| good	0.292 \| good
2026-10-22T22:00:00.000Z	44 \| good	8.452 \| good	31.736 \| good	47.936 \| good	0.931 \| good	15.909 \| good	0.305 \| good
2026-10-22T20:00:00.000Z	49 \| good	3.008 \| good	12.145 \| good	52.7 \| good	1.607 \| good	1.463 \| good	0.181 \| good
2026-10-22T21:00:00.000Z	45 \| good	4.015 \| good	17.884 \| good	48.701 \| good	1.535 \| good	1.584 \| good	0.181 \| good
2026-10-22T22:00:00.000Z	34 \| good	4.34 \| good	18.915 \| good	37.191 \| good	1.473 \| good	2.871 \| good	0.193 \| good
2026-10-22T23:00:00.000Z	44 \| good	7.882 \| good	34.906 \| good	21.036 \| good	1.4 \| good	7.274 \| good	0.234 \| good
2026-10-23T00:00:00.000Z	49 \| good	9.356 \| good	41.911 \| good	9.421 \| good	1.372 \| good	10.865 \| good	0.266 \| good
2026-10-23T01:00:00.000Z	54 \| moderate	10.9 \| good	48.059 \| good	7.121 \| good	1.378 \| good	12.333 \| good	0.276 \| good
2026-10-23T02:00:00.000Z	58 \| moderate	13.022 \| fine	58.91 \| fine	9.235 \| good	1.377 \| good	13.081 \| good	0.28 \| good
2026-10-23T03:00:00.000Z	66 \| moderate	16.573 \| fine	73.02 \| fine	9.73 \| good	1.371 \| good	13.658 \| good	0.284 \| good
2026-10-23T04:00:00.000Z	64 \| moderate	16.238 \| fine	72.913 \| fine	8.099 \| good	1.359 \| good	13.581 \| good	0.285 \| good
2026-10-23T05:00:00.000Z	64 \| moderate	16.349 \| fine	73.01 \| fine	6.5 \| good	1.339 \| good	12.397 \| good	0.281 \| good
2026-10-23T06:00:00.000Z	64 \| moderate	15.541 \| fine	69.001 \| fine	5.361 \| good	1.317 \| good	11.255 \| good	0.274 \| good
2026-10-23T07:00:00.000Z	62 \| moderate	15.06 \| fine	67.034 \| fine	6.867 \| good	1.296 \| good	10.516 \| good	0.268 \| good
2026-10-23T08:00:00.000Z	62 \| moderate	14.878 \| fine	66.905 \| fine	3.774 \| good	1.277 \| good	10.047 \| good	0.263 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	16.673 \| fine	73.082 \| fine	3.653 \| good	1.265 \| good	9.727 \| good	0.259 \| good
2026-10-23T10:00:00.000Z	60 \| moderate	14.482 \| fine	64.969 \| fine	2.487 \| good	1.259 \| good	9.56 \| good	0.257 \| good
2026-10-23T11:00:00.000Z	62 \| moderate	14.938 \| fine	67.015 \| fine	1.627 \| good	1.266 \| good	9.782 \| good	0.258 \| good
2026-10-23T12:00:00.000Z	60 \| moderate	13.753 \| fine	61.003 \| fine	2.418 \| good	1.291 \| good	11.423 \| good	0.271 \| good
2026-10-23T13:00:00.000Z	49 \| good	8.872 \| good	39.114 \| good	11.367 \| good	1.301 \| good	10.747 \| good	0.294 \| good
2026-10-23T14:00:00.000Z	49 \| good	9.472 \| good	42.103 \| good	22.189 \| good	1.413 \| good	8.451 \| good	0.29 \| good
2026-10-23T15:00:00.000Z	56 \| moderate	11.643 \| good	51.096 \| good	32.381 \| good	1.722 \| good	6.139 \| good	0.258 \| good
2026-10-23T16:00:00.000Z	44 \| good	8.409 \| good	37.038 \| good	40.011 \| good	1.733 \| good	3.618 \| good	0.217 \| good
2026-10-23T17:00:00.000Z	40 \| good	5.954 \| good	26.937 \| good	43.35 \| good	1.343 \| good	1.988 \| good	0.191 \| good
2026-10-23T18:00:00.000Z	42 \| good	5.726 \| good	25.022 \| good	45.215 \| good	1.148 \| good	1.436 \| good	0.184 \| good
2026-10-23T19:00:00.000Z	42 \| good	4.808 \| good	20.987 \| good	45.335 \| good	1.07 \| good	1.268 \| good	0.182 \| good
2026-10-23T20:00:00.000Z	43 \| good	5.088 \| good	22.031 \| good	45.776 \| good	1.037 \| good	1.274 \| good	0.182 \| good
2026-10-23T21:00:00.000Z	40 \| good	6.99 \| good	30.949 \| good	43.375 \| good	1.026 \| good	1.468 \| good	0.183 \| good
2026-10-23T22:00:00.000Z	44 \| good	7.506 \| good	32.977 \| good	37.109 \| good	1.011 \| good	2.241 \| good	0.19 \| good
2026-10-23T23:00:00.000Z	56 \| moderate	11.895 \| good	53.808 \| good	27.693 \| good	0.966 \| good	6.333 \| good	0.226 \| good
2026-10-24T00:00:00.000Z	58 \| moderate	12.565 \| fine	56.88 \| fine	20.402 \| good	0.944 \| good	9.644 \| good	0.254 \| good
2026-10-24T01:00:00.000Z	58 \| moderate	13.199 \| fine	59.036 \| fine	16.813 \| good	0.922 \| good	10.547 \| good	0.254 \| good
2026-10-24T02:00:00.000Z	64 \| moderate	15.576 \| fine	69.052 \| fine	17.214 \| good	0.89 \| good	11.269 \| good	0.255 \| good
2026-10-24T03:00:00.000Z	67 \| moderate	17.735 \| fine	78.917 \| fine	17.439 \| good	0.858 \| good	11.803 \| good	0.256 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	16.255 \| fine	72.925 \| fine	15.205 \| good	0.828 \| good	11.779 \| good	0.257 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	14.927 \| fine	66.933 \| fine	15.547 \| good	0.796 \| good	10.795 \| good	0.254 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	13.082 \| fine	59.002 \| fine	15.292 \| good	0.779 \| good	9.706 \| good	0.249 \| good
2026-10-24T07:00:00.000Z	56 \| moderate	11.925 \| good	53.916 \| good	15.255 \| good	0.777 \| good	9.051 \| good	0.246 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.581 \| good	51.101 \| good	13.131 \| good	0.784 \| good	8.629 \| good	0.244 \| good
2026-10-24T09:00:00.000Z	62 \| moderate	14.505 \| fine	65.01 \| fine	12.205 \| good	0.797 \| good	8.267 \| good	0.241 \| good
2026-10-24T10:00:00.000Z	54 \| moderate	10.704 \| good	47.106 \| good	13.108 \| good	0.817 \| good	7.984 \| good	0.24 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	11.924 \| good	53.919 \| good	14.634 \| good	0.84 \| good	8.251 \| good	0.241 \| good
2026-10-24T12:00:00.000Z	52 \| moderate	10.383 \| good	46.016 \| good	14.672 \| good	0.864 \| good	9.955 \| good	0.253 \| good
2026-10-24T13:00:00.000Z	44 \| good	8.324 \| good	37.013 \| good	17.158 \| good	0.867 \| good	9.295 \| good	0.27 \| good
2026-10-24T14:00:00.000Z	49 \| good	9.476 \| good	42.048 \| good	23.345 \| good	0.958 \| good	6.918 \| good	0.261 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	10.866 \| good	48.084 \| good	30.59 \| good	1.218 \| good	4.988 \| good	0.232 \| good
2026-10-24T16:00:00.000Z	44 \| good	8.149 \| good	36.003 \| good	38.35 \| good	1.467 \| good	2.894 \| good	0.201 \| good
2026-10-24T17:00:00.000Z	40 \| good	6.373 \| good	28.091 \| good	42.722 \| good	1.22 \| good	1.719 \| good	0.186 \| good
2026-10-24T18:00:00.000Z	41 \| good	5.395 \| good	23.084 \| good	43.709 \| good	1.107 \| good	1.398 \| good	0.182 \| good
2026-10-24T19:00:00.000Z	42 \| good	4.055 \| good	18.037 \| good	44.766 \| good	1.03 \| good	1.281 \| good	0.178 \| good

Mason

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Mason, Ohio

0.33ppm

How accurate is Ohio, USA air quality data?

The air quality data for Ohio, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

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 frequently does the air quality data for Mason, Ohio get updated?

Air quality updates for Mason, Ohio are available every hour.

What time in the past 24 hours saw the poorest air quality in Mason, Ohio?

Mason, Ohio experienced its worst air quality at 03:00:00, 2026-10-22.

When was air quality in Mason, Ohio the best over the past 24 hours?

The best air quality in Mason, Ohio was observed at 12:00:00 on 2026-10-22.

What is the air quality in Mason, Ohio right now?

The air quality in Mason, Ohio right now is Moderate, with an AQI of 52.

What pollutant is most frequently found in Mason, Ohio?

In Mason, Ohio, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Mason, Ohio is poor?

When air quality in Mason, Ohio is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Mason, Ohio right now?

Mason, Ohio currently has a PM_2.5 concentration of 9.998 μg/m³.

What is the current level of PM₁₀ in Mason, Ohio?

Mason, Ohio currently has a PM₁₀ concentration of 40.524 μg/m³.

What is the current level of carbon monoxide (CO) in Mason, Ohio?

The current carbon monoxide (CO) level in Mason, Ohio is 0.239 ppm.

What is the current level of sulfur dioxide (SO₂) in Mason, Ohio?

The current sulfur dioxide (SO₂) concentration in Mason, Ohio is 1.845 ppb.

What is the current level of ozone (O₃) in Mason, Ohio?

Mason, Ohio currently has an ozone (O₃) concentration of 33.424 ppm.

What is the current level of nitrogen dioxide (NO₂) in Mason, Ohio?

The current level of nitrogen dioxide (NO₂) in Mason, Ohio is 21.124 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T23:00:00.000Z	49 \| good	8.973 \| good	36.048 \| good	41.471 \| good	0.984 \| good	10.46 \| good	0.309 \| good
2026-10-21T00:00:00.000Z	56 \| moderate	11.837 \| good	50.545 \| good	35.702 \| good	0.953 \| good	19.826 \| good	0.43 \| good
2026-10-21T01:00:00.000Z	75 \| moderate	21.879 \| fine	84.759 \| fine	28.242 \| good	0.945 \| good	23.931 \| good	0.538 \| good
2026-10-21T02:00:00.000Z	77 \| moderate	22.555 \| fine	88.72 \| fine	24.133 \| good	0.653 \| good	22.17 \| good	0.553 \| good
2026-10-21T03:00:00.000Z	77 \| moderate	23.458 \| fine	101.944 \| fine	7.226 \| good	1.108 \| good	15.455 \| good	0.27 \| good
2026-10-21T04:00:00.000Z	92 \| moderate	30.663 \| fine	130.48 \| fine	14.996 \| good	0.64 \| good	22.036 \| good	0.483 \| good
2026-10-21T05:00:00.000Z	92 \| moderate	30.981 \| fine	109.095 \| fine	10.729 \| good	1.018 \| good	23.715 \| good	0.434 \| good
2026-10-21T06:00:00.000Z	88 \| moderate	29.284 \| fine	116.763 \| fine	8.794 \| good	0.896 \| good	20.083 \| good	0.377 \| good
2026-10-21T07:00:00.000Z	75 \| moderate	22.279 \| fine	87.645 \| fine	9.766 \| good	0.876 \| good	19.734 \| good	0.4 \| good
2026-10-21T08:00:00.000Z	67 \| moderate	18.046 \| fine	72.506 \| fine	19.677 \| good	0.899 \| good	18.345 \| good	0.333 \| good
2026-10-21T09:00:00.000Z	64 \| moderate	15.644 \| fine	51.357 \| good	11.119 \| good	0.862 \| good	18.316 \| good	0.341 \| good
2026-10-21T10:00:00.000Z	64 \| moderate	16.45 \| fine	66.054 \| fine	7.561 \| good	0.801 \| good	19.168 \| good	0.364 \| good
2026-10-21T11:00:00.000Z	62 \| moderate	15.408 \| fine	63.885 \| fine	4.737 \| good	0.781 \| good	18.927 \| good	0.452 \| good
2026-10-21T12:00:00.000Z	60 \| moderate	13.861 \| fine	51.182 \| good	4.917 \| good	0.994 \| good	18.627 \| good	0.792 \| good
2026-10-21T13:00:00.000Z	58 \| moderate	12.813 \| fine	49.396 \| good	5.261 \| good	0.996 \| good	18.924 \| good	0.882 \| good
2026-10-21T14:00:00.000Z	58 \| moderate	12.944 \| fine	52.162 \| good	6.641 \| good	0.995 \| good	16.839 \| good	0.726 \| good
2026-10-21T15:00:00.000Z	58 \| moderate	13.439 \| fine	53.214 \| good	9.718 \| good	0.437 \| good	17.536 \| good	0.548 \| good
2026-10-21T16:00:00.000Z	62 \| moderate	15.275 \| fine	60.507 \| fine	15.014 \| good	0.965 \| good	22.704 \| good	0.539 \| good
2026-10-21T17:00:00.000Z	67 \| moderate	18.284 \| fine	71.824 \| fine	23.977 \| good	5.695 \| good	24.818 \| good	0.482 \| good
2026-10-21T18:00:00.000Z	62 \| moderate	14.536 \| fine	51.746 \| good	29.386 \| good	2.011 \| good	21.543 \| good	0.343 \| good
2026-10-21T19:00:00.000Z	54 \| moderate	10.984 \| good	42.397 \| good	37.455 \| good	1.575 \| good	17.515 \| good	0.3 \| good
2026-10-21T20:00:00.000Z	49 \| good	8.794 \| good	35.366 \| good	41.299 \| good	1.291 \| good	15.249 \| good	0.292 \| good
2026-10-21T21:00:00.000Z	44 \| good	7.701 \| good	31.503 \| good	45.205 \| good	1.803 \| good	13.414 \| good	0.3 \| good
2026-10-21T22:00:00.000Z	41 \| good	6.648 \| good	27.779 \| good	43.816 \| good	0.933 \| good	12.887 \| good	0.358 \| good
2026-10-21T23:00:00.000Z	42 \| good	5.789 \| good	24.052 \| good	44.821 \| good	0.967 \| good	12.078 \| good	0.329 \| good
2026-10-22T00:00:00.000Z	40 \| good	6.709 \| good	28.517 \| good	42.95 \| good	0.931 \| good	12.231 \| good	0.393 \| good
2026-10-22T01:00:00.000Z	44 \| good	7.98 \| good	33.525 \| good	36.745 \| good	0.992 \| good	14.363 \| good	0.485 \| good
2026-10-22T02:00:00.000Z	52 \| moderate	10.27 \| good	39.705 \| good	37.383 \| good	1.012 \| good	20.709 \| good	0.493 \| good
2026-10-22T03:00:00.000Z	84 \| moderate	27.491 \| fine	119.456 \| fine	7.044 \| good	1.15 \| good	18.117 \| good	0.325 \| good
2026-10-22T04:00:00.000Z	62 \| moderate	15.099 \| fine	55.711 \| fine	19.149 \| good	1.016 \| good	24.857 \| good	0.532 \| good
2026-10-22T05:00:00.000Z	64 \| moderate	16.334 \| fine	61.326 \| fine	20.625 \| good	1.295 \| good	20.454 \| good	0.547 \| good
2026-10-22T06:00:00.000Z	66 \| moderate	16.74 \| fine	65.151 \| fine	14.095 \| good	0.865 \| good	19.021 \| good	0.448 \| good
2026-10-22T07:00:00.000Z	66 \| moderate	17.377 \| fine	67.585 \| fine	15.257 \| good	0.884 \| good	15.711 \| good	0.438 \| good
2026-10-22T08:00:00.000Z	64 \| moderate	15.822 \| fine	60.781 \| fine	12.701 \| good	0.856 \| good	15.136 \| good	0.358 \| good
2026-10-22T09:00:00.000Z	62 \| moderate	14.72 \| fine	57.66 \| fine	10.58 \| good	0.717 \| good	13.719 \| good	0.35 \| good
2026-10-22T10:00:00.000Z	60 \| moderate	13.768 \| fine	54.025 \| good	10.444 \| good	0.767 \| good	14.169 \| good	0.374 \| good
2026-10-22T11:00:00.000Z	60 \| moderate	13.79 \| fine	50.245 \| good	2.941 \| good	0.989 \| good	14.922 \| good	0.446 \| good
2026-10-22T12:00:00.000Z	60 \| moderate	13.812 \| fine	52.791 \| good	4.827 \| good	0.997 \| good	17.124 \| good	0.663 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	14.392 \| fine	56.731 \| fine	3.049 \| good	0.91 \| good	14.773 \| good	0.638 \| good
2026-10-22T14:00:00.000Z	60 \| moderate	14.302 \| fine	58.398 \| fine	6.643 \| good	0.994 \| good	16.484 \| good	0.741 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.183 \| fine	61.666 \| fine	12.966 \| good	1.001 \| good	13.425 \| good	0.531 \| good
2026-10-22T16:00:00.000Z	62 \| moderate	14.792 \| fine	59.724 \| fine	16.567 \| good	0.989 \| good	15.836 \| good	0.48 \| good
2026-10-22T17:00:00.000Z	60 \| moderate	14.483 \| fine	54.341 \| good	30.52 \| good	2.19 \| good	10.619 \| good	0.471 \| good
2026-10-22T18:00:00.000Z	52 \| moderate	9.906 \| good	37.465 \| good	34.493 \| good	2.113 \| good	19.933 \| good	0.237 \| good
2026-10-22T19:00:00.000Z	44 \| good	7.697 \| good	30.682 \| good	43.927 \| good	2.781 \| good	16.508 \| good	0.252 \| good
2026-10-22T20:00:00.000Z	44 \| good	5.393 \| good	19.742 \| good	46.683 \| good	3.672 \| good	16.568 \| good	0.295 \| good
2026-10-22T21:00:00.000Z	44 \| good	7.557 \| good	32.554 \| good	45.422 \| good	1.785 \| good	15.771 \| good	0.292 \| good
2026-10-22T22:00:00.000Z	52 \| moderate	9.678 \| good	33.246 \| good	45.471 \| good	0.944 \| good	15.488 \| good	0.292 \| good
2026-10-22T22:00:00.000Z	44 \| good	8.452 \| good	31.736 \| good	47.936 \| good	0.931 \| good	15.909 \| good	0.305 \| good
2026-10-22T20:00:00.000Z	49 \| good	3.008 \| good	12.145 \| good	52.7 \| good	1.607 \| good	1.463 \| good	0.181 \| good
2026-10-22T21:00:00.000Z	45 \| good	4.015 \| good	17.884 \| good	48.701 \| good	1.535 \| good	1.584 \| good	0.181 \| good
2026-10-22T22:00:00.000Z	34 \| good	4.34 \| good	18.915 \| good	37.191 \| good	1.473 \| good	2.871 \| good	0.193 \| good
2026-10-22T23:00:00.000Z	44 \| good	7.882 \| good	34.906 \| good	21.036 \| good	1.4 \| good	7.274 \| good	0.234 \| good
2026-10-23T00:00:00.000Z	49 \| good	9.356 \| good	41.911 \| good	9.421 \| good	1.372 \| good	10.865 \| good	0.266 \| good
2026-10-23T01:00:00.000Z	54 \| moderate	10.9 \| good	48.059 \| good	7.121 \| good	1.378 \| good	12.333 \| good	0.276 \| good
2026-10-23T02:00:00.000Z	58 \| moderate	13.022 \| fine	58.91 \| fine	9.235 \| good	1.377 \| good	13.081 \| good	0.28 \| good
2026-10-23T03:00:00.000Z	66 \| moderate	16.573 \| fine	73.02 \| fine	9.73 \| good	1.371 \| good	13.658 \| good	0.284 \| good
2026-10-23T04:00:00.000Z	64 \| moderate	16.238 \| fine	72.913 \| fine	8.099 \| good	1.359 \| good	13.581 \| good	0.285 \| good
2026-10-23T05:00:00.000Z	64 \| moderate	16.349 \| fine	73.01 \| fine	6.5 \| good	1.339 \| good	12.397 \| good	0.281 \| good
2026-10-23T06:00:00.000Z	64 \| moderate	15.541 \| fine	69.001 \| fine	5.361 \| good	1.317 \| good	11.255 \| good	0.274 \| good
2026-10-23T07:00:00.000Z	62 \| moderate	15.06 \| fine	67.034 \| fine	6.867 \| good	1.296 \| good	10.516 \| good	0.268 \| good
2026-10-23T08:00:00.000Z	62 \| moderate	14.878 \| fine	66.905 \| fine	3.774 \| good	1.277 \| good	10.047 \| good	0.263 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	16.673 \| fine	73.082 \| fine	3.653 \| good	1.265 \| good	9.727 \| good	0.259 \| good
2026-10-23T10:00:00.000Z	60 \| moderate	14.482 \| fine	64.969 \| fine	2.487 \| good	1.259 \| good	9.56 \| good	0.257 \| good
2026-10-23T11:00:00.000Z	62 \| moderate	14.938 \| fine	67.015 \| fine	1.627 \| good	1.266 \| good	9.782 \| good	0.258 \| good
2026-10-23T12:00:00.000Z	60 \| moderate	13.753 \| fine	61.003 \| fine	2.418 \| good	1.291 \| good	11.423 \| good	0.271 \| good
2026-10-23T13:00:00.000Z	49 \| good	8.872 \| good	39.114 \| good	11.367 \| good	1.301 \| good	10.747 \| good	0.294 \| good
2026-10-23T14:00:00.000Z	49 \| good	9.472 \| good	42.103 \| good	22.189 \| good	1.413 \| good	8.451 \| good	0.29 \| good
2026-10-23T15:00:00.000Z	56 \| moderate	11.643 \| good	51.096 \| good	32.381 \| good	1.722 \| good	6.139 \| good	0.258 \| good
2026-10-23T16:00:00.000Z	44 \| good	8.409 \| good	37.038 \| good	40.011 \| good	1.733 \| good	3.618 \| good	0.217 \| good
2026-10-23T17:00:00.000Z	40 \| good	5.954 \| good	26.937 \| good	43.35 \| good	1.343 \| good	1.988 \| good	0.191 \| good
2026-10-23T18:00:00.000Z	42 \| good	5.726 \| good	25.022 \| good	45.215 \| good	1.148 \| good	1.436 \| good	0.184 \| good
2026-10-23T19:00:00.000Z	42 \| good	4.808 \| good	20.987 \| good	45.335 \| good	1.07 \| good	1.268 \| good	0.182 \| good
2026-10-23T20:00:00.000Z	43 \| good	5.088 \| good	22.031 \| good	45.776 \| good	1.037 \| good	1.274 \| good	0.182 \| good
2026-10-23T21:00:00.000Z	40 \| good	6.99 \| good	30.949 \| good	43.375 \| good	1.026 \| good	1.468 \| good	0.183 \| good
2026-10-23T22:00:00.000Z	44 \| good	7.506 \| good	32.977 \| good	37.109 \| good	1.011 \| good	2.241 \| good	0.19 \| good
2026-10-23T23:00:00.000Z	56 \| moderate	11.895 \| good	53.808 \| good	27.693 \| good	0.966 \| good	6.333 \| good	0.226 \| good
2026-10-24T00:00:00.000Z	58 \| moderate	12.565 \| fine	56.88 \| fine	20.402 \| good	0.944 \| good	9.644 \| good	0.254 \| good
2026-10-24T01:00:00.000Z	58 \| moderate	13.199 \| fine	59.036 \| fine	16.813 \| good	0.922 \| good	10.547 \| good	0.254 \| good
2026-10-24T02:00:00.000Z	64 \| moderate	15.576 \| fine	69.052 \| fine	17.214 \| good	0.89 \| good	11.269 \| good	0.255 \| good
2026-10-24T03:00:00.000Z	67 \| moderate	17.735 \| fine	78.917 \| fine	17.439 \| good	0.858 \| good	11.803 \| good	0.256 \| good
2026-10-24T04:00:00.000Z	64 \| moderate	16.255 \| fine	72.925 \| fine	15.205 \| good	0.828 \| good	11.779 \| good	0.257 \| good
2026-10-24T05:00:00.000Z	62 \| moderate	14.927 \| fine	66.933 \| fine	15.547 \| good	0.796 \| good	10.795 \| good	0.254 \| good
2026-10-24T06:00:00.000Z	58 \| moderate	13.082 \| fine	59.002 \| fine	15.292 \| good	0.779 \| good	9.706 \| good	0.249 \| good
2026-10-24T07:00:00.000Z	56 \| moderate	11.925 \| good	53.916 \| good	15.255 \| good	0.777 \| good	9.051 \| good	0.246 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.581 \| good	51.101 \| good	13.131 \| good	0.784 \| good	8.629 \| good	0.244 \| good
2026-10-24T09:00:00.000Z	62 \| moderate	14.505 \| fine	65.01 \| fine	12.205 \| good	0.797 \| good	8.267 \| good	0.241 \| good
2026-10-24T10:00:00.000Z	54 \| moderate	10.704 \| good	47.106 \| good	13.108 \| good	0.817 \| good	7.984 \| good	0.24 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	11.924 \| good	53.919 \| good	14.634 \| good	0.84 \| good	8.251 \| good	0.241 \| good
2026-10-24T12:00:00.000Z	52 \| moderate	10.383 \| good	46.016 \| good	14.672 \| good	0.864 \| good	9.955 \| good	0.253 \| good
2026-10-24T13:00:00.000Z	44 \| good	8.324 \| good	37.013 \| good	17.158 \| good	0.867 \| good	9.295 \| good	0.27 \| good
2026-10-24T14:00:00.000Z	49 \| good	9.476 \| good	42.048 \| good	23.345 \| good	0.958 \| good	6.918 \| good	0.261 \| good
2026-10-24T15:00:00.000Z	54 \| moderate	10.866 \| good	48.084 \| good	30.59 \| good	1.218 \| good	4.988 \| good	0.232 \| good
2026-10-24T16:00:00.000Z	44 \| good	8.149 \| good	36.003 \| good	38.35 \| good	1.467 \| good	2.894 \| good	0.201 \| good
2026-10-24T17:00:00.000Z	40 \| good	6.373 \| good	28.091 \| good	42.722 \| good	1.22 \| good	1.719 \| good	0.186 \| good
2026-10-24T18:00:00.000Z	41 \| good	5.395 \| good	23.084 \| good	43.709 \| good	1.107 \| good	1.398 \| good	0.182 \| good
2026-10-24T19:00:00.000Z	42 \| good	4.055 \| good	18.037 \| good	44.766 \| good	1.03 \| good	1.281 \| good	0.178 \| good

Current air quality index in Mason, Ohio today

Common air pollutants in Mason, Ohio

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Mason, Ohio air quality forecast and history

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Mason, Ohio

Air quality in nearby cities

Monroe, Ohio

Loveland, Ohio

Lebanon, Ohio

Sharonville, Ohio

Montgomery, Ohio

Blue Ash, Ohio

How accurate is Ohio, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently does the air quality data for Mason, Ohio get updated?

What time in the past 24 hours saw the poorest air quality in Mason, Ohio?

When was air quality in Mason, Ohio the best over the past 24 hours?

What is the air quality in Mason, Ohio right now?

What pollutant is most frequently found in Mason, Ohio?

What can I do if the air quality in Mason, Ohio is poor?

What is the PM2.5 concentration in Mason, Ohio right now?

What is the current level of PM10 in Mason, Ohio?

What is the current level of carbon monoxide (CO) in Mason, Ohio?

What is the current level of sulfur dioxide (SO2) in Mason, Ohio?

What is the current level of ozone (O3) in Mason, Ohio?

What is the current level of nitrogen dioxide (NO2) in Mason, Ohio?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 concentration in Mason, Ohio right now?

What is the current level of PM₁₀ in Mason, Ohio?

What is the current level of sulfur dioxide (SO₂) in Mason, Ohio?

What is the current level of ozone (O₃) in Mason, Ohio?

What is the current level of nitrogen dioxide (NO₂) in Mason, Ohio?