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

Mason, Ohio currently has a PM10 concentration of 16.149 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Mason, Ohio is 1.972 ppb.

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

Mason, Ohio currently has an ozone (O3) concentration of 20.806 ppm.

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

The current level of nitrogen dioxide (NO2) in Mason, Ohio is 8.055 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 3.921 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)

3.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.15 μg/m³

155

255

425

605+

Ozone (O₃)

20.81 ppb

201

201+

Sulfur Dioxide (SO₂)

1.97 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.05 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2025-10-20T15:00:00.000Z	16 \| good	2.744 \| good	10.695 \| good	16.803 \| good	1.533 \| good	12.558 \| good	0.194 \| good
2025-10-20T16:00:00.000Z	16 \| good	2.654 \| good	11.659 \| good	17.027 \| good	1.604 \| good	12.012 \| good	0.188 \| good
2025-10-20T17:00:00.000Z	22 \| good	4.151 \| good	16.89 \| good	18.702 \| good	2.46 \| good	11.904 \| good	0.175 \| good
2025-10-20T18:00:00.000Z	22 \| good	3.912 \| good	15.508 \| good	21.7 \| good	2.445 \| good	8.013 \| good	0.164 \| good
2025-10-20T19:00:00.000Z	22 \| good	3.418 \| good	13.175 \| good	24.245 \| good	1.982 \| good	4.772 \| good	0.132 \| good
2025-10-20T20:00:00.000Z	27 \| good	3.419 \| good	17.398 \| good	28.89 \| good	3.709 \| good	5.363 \| good	0.151 \| good
2025-10-20T21:00:00.000Z	27 \| good	3.493 \| good	17.162 \| good	29.338 \| good	2.534 \| good	5.354 \| good	0.139 \| good
2025-10-20T22:00:00.000Z	30 \| good	3.965 \| good	18.618 \| good	31.877 \| good	2.255 \| good	5.314 \| good	0.171 \| good
2025-10-20T23:00:00.000Z	30 \| good	4.121 \| good	18.248 \| good	32.235 \| good	1.98 \| good	6.317 \| good	0.141 \| good
2025-10-21T00:00:00.000Z	28 \| good	3.176 \| good	14.226 \| good	29.653 \| good	2.009 \| good	9.314 \| good	0.179 \| good
2025-10-21T01:00:00.000Z	25 \| good	3.47 \| good	14.833 \| good	26.798 \| good	1.902 \| good	18.502 \| good	0.23 \| good
2025-10-21T02:00:00.000Z	25 \| good	3.946 \| good	16.171 \| good	26.972 \| good	1.449 \| good	17.515 \| good	0.244 \| good
2025-10-21T03:00:00.000Z	44 \| good	7.896 \| good	34.882 \| good	30.695 \| good	2.284 \| good	4.454 \| good	0.161 \| good
2025-10-21T04:00:00.000Z	44 \| good	7.614 \| good	26.456 \| good	25.298 \| good	1.51 \| good	11.214 \| good	0.173 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.909 \| good	27.238 \| good	24.375 \| good	1.521 \| good	12.34 \| good	0.21 \| good
2025-10-21T06:00:00.000Z	33 \| good	5.706 \| good	19.62 \| good	26.164 \| good	1.478 \| good	10.498 \| good	0.164 \| good
2025-10-21T07:00:00.000Z	27 \| good	4.567 \| good	18.78 \| good	26.924 \| good	1.487 \| good	11.523 \| good	0.164 \| good
2025-10-21T08:00:00.000Z	24 \| good	3.98 \| good	17.031 \| good	26.245 \| good	1.486 \| good	12.119 \| good	0.176 \| good
2025-10-21T09:00:00.000Z	23 \| good	4.104 \| good	17.792 \| good	24.694 \| good	1.544 \| good	10.781 \| good	0.169 \| good
2025-10-21T10:00:00.000Z	38 \| good	7.487 \| good	33.21 \| good	23.319 \| good	1.886 \| good	5.52 \| good	0.169 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.085 \| good	24.903 \| good	26.197 \| good	1.912 \| good	7.297 \| good	0.169 \| good
2025-10-21T12:00:00.000Z	27 \| good	4.901 \| good	20.474 \| good	25.626 \| good	2.398 \| good	10.944 \| good	0.21 \| good
2025-10-21T13:00:00.000Z	27 \| good	4.657 \| good	19.073 \| good	24.028 \| good	1.964 \| good	14.916 \| good	0.254 \| good
2025-10-21T14:00:00.000Z	27 \| good	4.998 \| good	20.76 \| good	22.072 \| good	1.719 \| good	17.035 \| good	0.257 \| good
2025-10-21T15:00:00.000Z	27 \| good	4.875 \| good	20.93 \| good	24.621 \| good	1.958 \| good	13.083 \| good	0.231 \| good
2025-10-21T16:00:00.000Z	26 \| good	4.149 \| good	18.031 \| good	28.386 \| good	1.813 \| good	9.612 \| good	0.21 \| good
2025-10-21T17:00:00.000Z	29 \| good	3.866 \| good	16.475 \| good	31.018 \| good	1.784 \| good	3.741 \| good	0.219 \| good
2025-10-21T18:00:00.000Z	31 \| good	3.526 \| good	15.569 \| good	32.932 \| good	2.234 \| good	4.337 \| good	0.146 \| good
2025-10-21T19:00:00.000Z	31 \| good	3.509 \| good	15.606 \| good	34.048 \| good	2.599 \| good	3.225 \| good	0.146 \| good
2025-10-21T20:00:00.000Z	33 \| good	2.984 \| good	15.59 \| good	36.461 \| good	3.097 \| good	4.265 \| good	0.171 \| good
2025-10-21T21:00:00.000Z	35 \| good	2.744 \| good	12.863 \| good	37.543 \| good	2.788 \| good	4.43 \| good	0.139 \| good
2025-10-21T22:00:00.000Z	33 \| good	3.108 \| good	12.976 \| good	36.15 \| good	2.367 \| good	4.788 \| good	0.139 \| good
2025-10-21T23:00:00.000Z	32 \| good	3.062 \| good	13.33 \| good	34.839 \| good	2.635 \| good	4.526 \| good	0.156 \| good
2025-10-22T00:00:00.000Z	31 \| good	3.067 \| good	14.141 \| good	34.196 \| good	2.389 \| good	8.312 \| good	0.182 \| good
2025-10-22T01:00:00.000Z	31 \| good	2.722 \| good	11.863 \| good	34.378 \| good	2.283 \| good	6.986 \| good	0.141 \| good
2025-10-22T02:00:00.000Z	31 \| good	2.881 \| good	13.106 \| good	33.388 \| good	1.554 \| good	6.943 \| good	0.139 \| good
2025-10-22T03:00:00.000Z	22 \| good	2.923 \| good	12.102 \| good	24.104 \| good	0.994 \| good	2.591 \| good	0.131 \| good
2025-10-22T04:00:00.000Z	29 \| good	2.684 \| good	12.281 \| good	30.575 \| good	2.39 \| good	4.735 \| good	0.134 \| good
2025-10-22T05:00:00.000Z	29 \| good	2.836 \| good	12.563 \| good	31.149 \| good	3.826 \| good	4.848 \| good	0.134 \| good
2025-10-22T06:00:00.000Z	27 \| good	3.028 \| good	14.173 \| good	28.956 \| good	3.72 \| good	5.491 \| good	0.163 \| good
2025-10-22T07:00:00.000Z	25 \| good	2.827 \| good	12.611 \| good	27.095 \| good	3.657 \| good	4.466 \| good	0.171 \| good
2025-10-22T08:00:00.000Z	23 \| good	2.784 \| good	13.346 \| good	24.67 \| good	2.867 \| good	4.186 \| good	0.163 \| good
2025-10-22T09:00:00.000Z	21 \| good	2.884 \| good	15.239 \| good	23.086 \| good	2.917 \| good	4.925 \| good	0.166 \| good
2025-10-22T10:00:00.000Z	20 \| good	2.827 \| good	14.146 \| good	21.558 \| good	2.642 \| good	7.701 \| good	0.169 \| good
2025-10-22T11:00:00.000Z	21 \| good	2.95 \| good	13.89 \| good	22.803 \| good	1.984 \| good	7.294 \| good	0.221 \| good
2025-10-22T12:00:00.000Z	22 \| good	3.557 \| good	18.094 \| good	23.412 \| good	1.981 \| good	7.065 \| good	0.205 \| good
2025-10-22T13:00:00.000Z	22 \| good	3.658 \| good	20.673 \| good	20.677 \| good	1.978 \| good	8.395 \| good	0.217 \| good
2025-10-22T14:00:00.000Z	22 \| good	3.921 \| good	16.149 \| good	20.806 \| good	1.972 \| good	8.055 \| good	0.195 \| good
2025-10-22T14:00:00.000Z	22 \| good	3.921 \| good	16.149 \| good	20.806 \| good	1.972 \| good	8.055 \| good	0.195 \| good
2025-10-22T15:00:00.000Z	23 \| good	1.929 \| good	7.99 \| good	25.393 \| good	0.867 \| good	1.906 \| good	0.143 \| good
2025-10-22T16:00:00.000Z	25 \| good	2.032 \| good	8.024 \| good	26.507 \| good	0.802 \| good	1.785 \| good	0.139 \| good
2025-10-22T17:00:00.000Z	26 \| good	1.813 \| good	7.903 \| good	27.908 \| good	0.737 \| good	1.665 \| good	0.135 \| good
2025-10-22T18:00:00.000Z	29 \| good	2.059 \| good	8.045 \| good	30.95 \| good	0.673 \| good	1.545 \| good	0.132 \| good
2025-10-22T19:00:00.000Z	31 \| good	3.107 \| good	13.874 \| good	32.552 \| good	0.644 \| good	1.588 \| good	0.131 \| good
2025-10-22T20:00:00.000Z	31 \| good	3.338 \| good	14.922 \| good	33.049 \| good	0.616 \| good	1.631 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	31 \| good	3.29 \| good	13.993 \| good	33.518 \| good	0.587 \| good	1.675 \| good	0.128 \| good
2025-10-22T22:00:00.000Z	32 \| good	2.18 \| good	9.012 \| good	35.093 \| good	0.663 \| good	2.381 \| good	0.133 \| good
2025-10-22T23:00:00.000Z	32 \| good	1.305 \| good	5.091 \| good	34.881 \| good	0.738 \| good	3.087 \| good	0.138 \| good
2025-10-23T00:00:00.000Z	29 \| good	3.768 \| good	16.056 \| good	31.351 \| good	0.814 \| good	3.794 \| good	0.142 \| good
2025-10-23T01:00:00.000Z	38 \| good	7.121 \| good	31.832 \| good	24.145 \| good	0.851 \| good	4.18 \| good	0.145 \| good
2025-10-23T02:00:00.000Z	44 \| good	8.261 \| good	35.96 \| good	21.854 \| good	0.888 \| good	4.566 \| good	0.148 \| good
2025-10-23T03:00:00.000Z	38 \| good	6.563 \| good	28.925 \| good	19.807 \| good	0.926 \| good	4.953 \| good	0.151 \| good
2025-10-23T04:00:00.000Z	38 \| good	6.677 \| good	29.896 \| good	19.431 \| good	0.918 \| good	4.786 \| good	0.15 \| good
2025-10-23T05:00:00.000Z	33 \| good	6.399 \| good	28.869 \| good	17.979 \| good	0.91 \| good	4.62 \| good	0.15 \| good
2025-10-23T06:00:00.000Z	33 \| good	5.653 \| good	24.082 \| good	16.894 \| good	0.902 \| good	4.453 \| good	0.149 \| good
2025-10-23T07:00:00.000Z	33 \| good	6.05 \| good	26.925 \| good	15.031 \| good	0.905 \| good	4.229 \| good	0.147 \| good
2025-10-23T08:00:00.000Z	33 \| good	5.674 \| good	24.022 \| good	12.405 \| good	0.908 \| good	4.005 \| good	0.145 \| good
2025-10-23T09:00:00.000Z	27 \| good	5.3 \| good	22.965 \| good	7.39 \| good	0.911 \| good	3.78 \| good	0.142 \| good
2025-10-23T10:00:00.000Z	33 \| good	5.925 \| good	26.776 \| good	5.936 \| good	0.918 \| good	4.27 \| good	0.145 \| good
2025-10-23T11:00:00.000Z	33 \| good	5.91 \| good	26.794 \| good	5.35 \| good	0.924 \| good	4.759 \| good	0.148 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.203 \| good	18.076 \| good	9.247 \| good	0.931 \| good	5.248 \| good	0.151 \| good
2025-10-23T13:00:00.000Z	17 \| good	3.499 \| good	15.102 \| good	18.248 \| good	1.051 \| good	4.613 \| good	0.151 \| good
2025-10-23T14:00:00.000Z	22 \| good	1.228 \| good	5.029 \| good	23.678 \| good	1.171 \| good	3.977 \| good	0.152 \| good
2025-10-23T15:00:00.000Z	26 \| good	0.797 \| good	3.014 \| good	28.163 \| good	1.291 \| good	3.341 \| good	0.152 \| good
2025-10-23T16:00:00.000Z	31 \| good	0.536 \| good	2.008 \| good	33.107 \| good	1.171 \| good	2.736 \| good	0.144 \| good
2025-10-23T17:00:00.000Z	32 \| good	1.075 \| good	4.074 \| good	34.637 \| good	1.051 \| good	2.132 \| good	0.136 \| good
2025-10-23T18:00:00.000Z	32 \| good	1.124 \| good	4.926 \| good	35.458 \| good	0.93 \| good	1.527 \| good	0.128 \| good
2025-10-23T19:00:00.000Z	32 \| good	1.335 \| good	5.064 \| good	35.048 \| good	0.896 \| good	1.551 \| good	0.126 \| good
2025-10-23T20:00:00.000Z	35 \| good	0.985 \| good	3.998 \| good	38.46 \| good	0.862 \| good	1.575 \| good	0.125 \| good
2025-10-23T21:00:00.000Z	35 \| good	3.002 \| good	12.021 \| good	37.979 \| good	0.828 \| good	1.598 \| good	0.123 \| good
2025-10-23T22:00:00.000Z	31 \| good	4.272 \| good	18.914 \| good	33.439 \| good	0.855 \| good	3.704 \| good	0.14 \| good
2025-10-23T23:00:00.000Z	33 \| good	5.623 \| good	23.986 \| good	25.292 \| good	0.881 \| good	5.81 \| good	0.156 \| good
2025-10-24T00:00:00.000Z	38 \| good	6.64 \| good	29.846 \| good	23.18 \| good	0.908 \| good	7.915 \| good	0.172 \| good
2025-10-24T01:00:00.000Z	44 \| good	7.676 \| good	33.866 \| good	19.592 \| good	0.911 \| good	8.492 \| good	0.177 \| good
2025-10-24T02:00:00.000Z	38 \| good	7.128 \| good	31.838 \| good	16.386 \| good	0.914 \| good	9.069 \| good	0.182 \| good
2025-10-24T03:00:00.000Z	33 \| good	6.172 \| good	26.97 \| good	11.807 \| good	0.918 \| good	9.646 \| good	0.187 \| good
2025-10-24T04:00:00.000Z	33 \| good	6.464 \| good	28.887 \| good	12.611 \| good	0.876 \| good	9.498 \| good	0.187 \| good
2025-10-24T05:00:00.000Z	33 \| good	6.152 \| good	26.972 \| good	12.712 \| good	0.835 \| good	9.351 \| good	0.186 \| good
2025-10-24T06:00:00.000Z	33 \| good	5.574 \| good	23.991 \| good	13.506 \| good	0.793 \| good	9.203 \| good	0.186 \| good
2025-10-24T07:00:00.000Z	33 \| good	5.599 \| good	23.962 \| good	15.134 \| good	0.806 \| good	9.217 \| good	0.186 \| good
2025-10-24T08:00:00.000Z	27 \| good	4.507 \| good	19.882 \| good	13.166 \| good	0.819 \| good	9.232 \| good	0.185 \| good
2025-10-24T09:00:00.000Z	16 \| good	3.489 \| good	15.834 \| good	6.024 \| good	0.831 \| good	9.246 \| good	0.185 \| good
2025-10-24T10:00:00.000Z	22 \| good	4.079 \| good	17.888 \| good	4.395 \| good	0.891 \| good	10.334 \| good	0.196 \| good
2025-10-24T11:00:00.000Z	38 \| good	6.687 \| good	29.849 \| good	2.121 \| good	0.95 \| good	11.423 \| good	0.206 \| good
2025-10-24T12:00:00.000Z	44 \| good	8.377 \| good	36.77 \| good	2.268 \| good	1.01 \| good	12.511 \| good	0.217 \| good
2025-10-24T13:00:00.000Z	52 \| moderate	9.728 \| good	42.831 \| good	8.544 \| good	1.162 \| good	10.203 \| good	0.207 \| good
2025-10-24T14:00:00.000Z	38 \| good	6.532 \| good	28.973 \| good	17.598 \| good	1.314 \| good	7.894 \| good	0.197 \| good

Mason

Empower business decisions with accurate air quality data

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

0.21ppm

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

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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 09:00:00, 2025-10-21.

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

The best air quality in Mason, Ohio was observed at 10:00:00 on 2025-10-22.

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

The air quality in Mason, Ohio right now is Good, with an AQI of 22.

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 3.921 μg/m³.

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

Mason, Ohio currently has a PM₁₀ concentration of 16.149 μg/m³.

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

The current carbon monoxide (CO) level in Mason, Ohio is 0.195 ppm.

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

The current sulfur dioxide (SO₂) concentration in Mason, Ohio is 1.972 ppb.

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

Mason, Ohio currently has an ozone (O₃) concentration of 20.806 ppm.

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

The current level of nitrogen dioxide (NO₂) in Mason, Ohio is 8.055 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T15:00:00.000Z	16 \| good	2.744 \| good	10.695 \| good	16.803 \| good	1.533 \| good	12.558 \| good	0.194 \| good
2025-10-20T16:00:00.000Z	16 \| good	2.654 \| good	11.659 \| good	17.027 \| good	1.604 \| good	12.012 \| good	0.188 \| good
2025-10-20T17:00:00.000Z	22 \| good	4.151 \| good	16.89 \| good	18.702 \| good	2.46 \| good	11.904 \| good	0.175 \| good
2025-10-20T18:00:00.000Z	22 \| good	3.912 \| good	15.508 \| good	21.7 \| good	2.445 \| good	8.013 \| good	0.164 \| good
2025-10-20T19:00:00.000Z	22 \| good	3.418 \| good	13.175 \| good	24.245 \| good	1.982 \| good	4.772 \| good	0.132 \| good
2025-10-20T20:00:00.000Z	27 \| good	3.419 \| good	17.398 \| good	28.89 \| good	3.709 \| good	5.363 \| good	0.151 \| good
2025-10-20T21:00:00.000Z	27 \| good	3.493 \| good	17.162 \| good	29.338 \| good	2.534 \| good	5.354 \| good	0.139 \| good
2025-10-20T22:00:00.000Z	30 \| good	3.965 \| good	18.618 \| good	31.877 \| good	2.255 \| good	5.314 \| good	0.171 \| good
2025-10-20T23:00:00.000Z	30 \| good	4.121 \| good	18.248 \| good	32.235 \| good	1.98 \| good	6.317 \| good	0.141 \| good
2025-10-21T00:00:00.000Z	28 \| good	3.176 \| good	14.226 \| good	29.653 \| good	2.009 \| good	9.314 \| good	0.179 \| good
2025-10-21T01:00:00.000Z	25 \| good	3.47 \| good	14.833 \| good	26.798 \| good	1.902 \| good	18.502 \| good	0.23 \| good
2025-10-21T02:00:00.000Z	25 \| good	3.946 \| good	16.171 \| good	26.972 \| good	1.449 \| good	17.515 \| good	0.244 \| good
2025-10-21T03:00:00.000Z	44 \| good	7.896 \| good	34.882 \| good	30.695 \| good	2.284 \| good	4.454 \| good	0.161 \| good
2025-10-21T04:00:00.000Z	44 \| good	7.614 \| good	26.456 \| good	25.298 \| good	1.51 \| good	11.214 \| good	0.173 \| good
2025-10-21T05:00:00.000Z	38 \| good	6.909 \| good	27.238 \| good	24.375 \| good	1.521 \| good	12.34 \| good	0.21 \| good
2025-10-21T06:00:00.000Z	33 \| good	5.706 \| good	19.62 \| good	26.164 \| good	1.478 \| good	10.498 \| good	0.164 \| good
2025-10-21T07:00:00.000Z	27 \| good	4.567 \| good	18.78 \| good	26.924 \| good	1.487 \| good	11.523 \| good	0.164 \| good
2025-10-21T08:00:00.000Z	24 \| good	3.98 \| good	17.031 \| good	26.245 \| good	1.486 \| good	12.119 \| good	0.176 \| good
2025-10-21T09:00:00.000Z	23 \| good	4.104 \| good	17.792 \| good	24.694 \| good	1.544 \| good	10.781 \| good	0.169 \| good
2025-10-21T10:00:00.000Z	38 \| good	7.487 \| good	33.21 \| good	23.319 \| good	1.886 \| good	5.52 \| good	0.169 \| good
2025-10-21T11:00:00.000Z	33 \| good	6.085 \| good	24.903 \| good	26.197 \| good	1.912 \| good	7.297 \| good	0.169 \| good
2025-10-21T12:00:00.000Z	27 \| good	4.901 \| good	20.474 \| good	25.626 \| good	2.398 \| good	10.944 \| good	0.21 \| good
2025-10-21T13:00:00.000Z	27 \| good	4.657 \| good	19.073 \| good	24.028 \| good	1.964 \| good	14.916 \| good	0.254 \| good
2025-10-21T14:00:00.000Z	27 \| good	4.998 \| good	20.76 \| good	22.072 \| good	1.719 \| good	17.035 \| good	0.257 \| good
2025-10-21T15:00:00.000Z	27 \| good	4.875 \| good	20.93 \| good	24.621 \| good	1.958 \| good	13.083 \| good	0.231 \| good
2025-10-21T16:00:00.000Z	26 \| good	4.149 \| good	18.031 \| good	28.386 \| good	1.813 \| good	9.612 \| good	0.21 \| good
2025-10-21T17:00:00.000Z	29 \| good	3.866 \| good	16.475 \| good	31.018 \| good	1.784 \| good	3.741 \| good	0.219 \| good
2025-10-21T18:00:00.000Z	31 \| good	3.526 \| good	15.569 \| good	32.932 \| good	2.234 \| good	4.337 \| good	0.146 \| good
2025-10-21T19:00:00.000Z	31 \| good	3.509 \| good	15.606 \| good	34.048 \| good	2.599 \| good	3.225 \| good	0.146 \| good
2025-10-21T20:00:00.000Z	33 \| good	2.984 \| good	15.59 \| good	36.461 \| good	3.097 \| good	4.265 \| good	0.171 \| good
2025-10-21T21:00:00.000Z	35 \| good	2.744 \| good	12.863 \| good	37.543 \| good	2.788 \| good	4.43 \| good	0.139 \| good
2025-10-21T22:00:00.000Z	33 \| good	3.108 \| good	12.976 \| good	36.15 \| good	2.367 \| good	4.788 \| good	0.139 \| good
2025-10-21T23:00:00.000Z	32 \| good	3.062 \| good	13.33 \| good	34.839 \| good	2.635 \| good	4.526 \| good	0.156 \| good
2025-10-22T00:00:00.000Z	31 \| good	3.067 \| good	14.141 \| good	34.196 \| good	2.389 \| good	8.312 \| good	0.182 \| good
2025-10-22T01:00:00.000Z	31 \| good	2.722 \| good	11.863 \| good	34.378 \| good	2.283 \| good	6.986 \| good	0.141 \| good
2025-10-22T02:00:00.000Z	31 \| good	2.881 \| good	13.106 \| good	33.388 \| good	1.554 \| good	6.943 \| good	0.139 \| good
2025-10-22T03:00:00.000Z	22 \| good	2.923 \| good	12.102 \| good	24.104 \| good	0.994 \| good	2.591 \| good	0.131 \| good
2025-10-22T04:00:00.000Z	29 \| good	2.684 \| good	12.281 \| good	30.575 \| good	2.39 \| good	4.735 \| good	0.134 \| good
2025-10-22T05:00:00.000Z	29 \| good	2.836 \| good	12.563 \| good	31.149 \| good	3.826 \| good	4.848 \| good	0.134 \| good
2025-10-22T06:00:00.000Z	27 \| good	3.028 \| good	14.173 \| good	28.956 \| good	3.72 \| good	5.491 \| good	0.163 \| good
2025-10-22T07:00:00.000Z	25 \| good	2.827 \| good	12.611 \| good	27.095 \| good	3.657 \| good	4.466 \| good	0.171 \| good
2025-10-22T08:00:00.000Z	23 \| good	2.784 \| good	13.346 \| good	24.67 \| good	2.867 \| good	4.186 \| good	0.163 \| good
2025-10-22T09:00:00.000Z	21 \| good	2.884 \| good	15.239 \| good	23.086 \| good	2.917 \| good	4.925 \| good	0.166 \| good
2025-10-22T10:00:00.000Z	20 \| good	2.827 \| good	14.146 \| good	21.558 \| good	2.642 \| good	7.701 \| good	0.169 \| good
2025-10-22T11:00:00.000Z	21 \| good	2.95 \| good	13.89 \| good	22.803 \| good	1.984 \| good	7.294 \| good	0.221 \| good
2025-10-22T12:00:00.000Z	22 \| good	3.557 \| good	18.094 \| good	23.412 \| good	1.981 \| good	7.065 \| good	0.205 \| good
2025-10-22T13:00:00.000Z	22 \| good	3.658 \| good	20.673 \| good	20.677 \| good	1.978 \| good	8.395 \| good	0.217 \| good
2025-10-22T14:00:00.000Z	22 \| good	3.921 \| good	16.149 \| good	20.806 \| good	1.972 \| good	8.055 \| good	0.195 \| good
2025-10-22T14:00:00.000Z	22 \| good	3.921 \| good	16.149 \| good	20.806 \| good	1.972 \| good	8.055 \| good	0.195 \| good
2025-10-22T15:00:00.000Z	23 \| good	1.929 \| good	7.99 \| good	25.393 \| good	0.867 \| good	1.906 \| good	0.143 \| good
2025-10-22T16:00:00.000Z	25 \| good	2.032 \| good	8.024 \| good	26.507 \| good	0.802 \| good	1.785 \| good	0.139 \| good
2025-10-22T17:00:00.000Z	26 \| good	1.813 \| good	7.903 \| good	27.908 \| good	0.737 \| good	1.665 \| good	0.135 \| good
2025-10-22T18:00:00.000Z	29 \| good	2.059 \| good	8.045 \| good	30.95 \| good	0.673 \| good	1.545 \| good	0.132 \| good
2025-10-22T19:00:00.000Z	31 \| good	3.107 \| good	13.874 \| good	32.552 \| good	0.644 \| good	1.588 \| good	0.131 \| good
2025-10-22T20:00:00.000Z	31 \| good	3.338 \| good	14.922 \| good	33.049 \| good	0.616 \| good	1.631 \| good	0.129 \| good
2025-10-22T21:00:00.000Z	31 \| good	3.29 \| good	13.993 \| good	33.518 \| good	0.587 \| good	1.675 \| good	0.128 \| good
2025-10-22T22:00:00.000Z	32 \| good	2.18 \| good	9.012 \| good	35.093 \| good	0.663 \| good	2.381 \| good	0.133 \| good
2025-10-22T23:00:00.000Z	32 \| good	1.305 \| good	5.091 \| good	34.881 \| good	0.738 \| good	3.087 \| good	0.138 \| good
2025-10-23T00:00:00.000Z	29 \| good	3.768 \| good	16.056 \| good	31.351 \| good	0.814 \| good	3.794 \| good	0.142 \| good
2025-10-23T01:00:00.000Z	38 \| good	7.121 \| good	31.832 \| good	24.145 \| good	0.851 \| good	4.18 \| good	0.145 \| good
2025-10-23T02:00:00.000Z	44 \| good	8.261 \| good	35.96 \| good	21.854 \| good	0.888 \| good	4.566 \| good	0.148 \| good
2025-10-23T03:00:00.000Z	38 \| good	6.563 \| good	28.925 \| good	19.807 \| good	0.926 \| good	4.953 \| good	0.151 \| good
2025-10-23T04:00:00.000Z	38 \| good	6.677 \| good	29.896 \| good	19.431 \| good	0.918 \| good	4.786 \| good	0.15 \| good
2025-10-23T05:00:00.000Z	33 \| good	6.399 \| good	28.869 \| good	17.979 \| good	0.91 \| good	4.62 \| good	0.15 \| good
2025-10-23T06:00:00.000Z	33 \| good	5.653 \| good	24.082 \| good	16.894 \| good	0.902 \| good	4.453 \| good	0.149 \| good
2025-10-23T07:00:00.000Z	33 \| good	6.05 \| good	26.925 \| good	15.031 \| good	0.905 \| good	4.229 \| good	0.147 \| good
2025-10-23T08:00:00.000Z	33 \| good	5.674 \| good	24.022 \| good	12.405 \| good	0.908 \| good	4.005 \| good	0.145 \| good
2025-10-23T09:00:00.000Z	27 \| good	5.3 \| good	22.965 \| good	7.39 \| good	0.911 \| good	3.78 \| good	0.142 \| good
2025-10-23T10:00:00.000Z	33 \| good	5.925 \| good	26.776 \| good	5.936 \| good	0.918 \| good	4.27 \| good	0.145 \| good
2025-10-23T11:00:00.000Z	33 \| good	5.91 \| good	26.794 \| good	5.35 \| good	0.924 \| good	4.759 \| good	0.148 \| good
2025-10-23T12:00:00.000Z	22 \| good	4.203 \| good	18.076 \| good	9.247 \| good	0.931 \| good	5.248 \| good	0.151 \| good
2025-10-23T13:00:00.000Z	17 \| good	3.499 \| good	15.102 \| good	18.248 \| good	1.051 \| good	4.613 \| good	0.151 \| good
2025-10-23T14:00:00.000Z	22 \| good	1.228 \| good	5.029 \| good	23.678 \| good	1.171 \| good	3.977 \| good	0.152 \| good
2025-10-23T15:00:00.000Z	26 \| good	0.797 \| good	3.014 \| good	28.163 \| good	1.291 \| good	3.341 \| good	0.152 \| good
2025-10-23T16:00:00.000Z	31 \| good	0.536 \| good	2.008 \| good	33.107 \| good	1.171 \| good	2.736 \| good	0.144 \| good
2025-10-23T17:00:00.000Z	32 \| good	1.075 \| good	4.074 \| good	34.637 \| good	1.051 \| good	2.132 \| good	0.136 \| good
2025-10-23T18:00:00.000Z	32 \| good	1.124 \| good	4.926 \| good	35.458 \| good	0.93 \| good	1.527 \| good	0.128 \| good
2025-10-23T19:00:00.000Z	32 \| good	1.335 \| good	5.064 \| good	35.048 \| good	0.896 \| good	1.551 \| good	0.126 \| good
2025-10-23T20:00:00.000Z	35 \| good	0.985 \| good	3.998 \| good	38.46 \| good	0.862 \| good	1.575 \| good	0.125 \| good
2025-10-23T21:00:00.000Z	35 \| good	3.002 \| good	12.021 \| good	37.979 \| good	0.828 \| good	1.598 \| good	0.123 \| good
2025-10-23T22:00:00.000Z	31 \| good	4.272 \| good	18.914 \| good	33.439 \| good	0.855 \| good	3.704 \| good	0.14 \| good
2025-10-23T23:00:00.000Z	33 \| good	5.623 \| good	23.986 \| good	25.292 \| good	0.881 \| good	5.81 \| good	0.156 \| good
2025-10-24T00:00:00.000Z	38 \| good	6.64 \| good	29.846 \| good	23.18 \| good	0.908 \| good	7.915 \| good	0.172 \| good
2025-10-24T01:00:00.000Z	44 \| good	7.676 \| good	33.866 \| good	19.592 \| good	0.911 \| good	8.492 \| good	0.177 \| good
2025-10-24T02:00:00.000Z	38 \| good	7.128 \| good	31.838 \| good	16.386 \| good	0.914 \| good	9.069 \| good	0.182 \| good
2025-10-24T03:00:00.000Z	33 \| good	6.172 \| good	26.97 \| good	11.807 \| good	0.918 \| good	9.646 \| good	0.187 \| good
2025-10-24T04:00:00.000Z	33 \| good	6.464 \| good	28.887 \| good	12.611 \| good	0.876 \| good	9.498 \| good	0.187 \| good
2025-10-24T05:00:00.000Z	33 \| good	6.152 \| good	26.972 \| good	12.712 \| good	0.835 \| good	9.351 \| good	0.186 \| good
2025-10-24T06:00:00.000Z	33 \| good	5.574 \| good	23.991 \| good	13.506 \| good	0.793 \| good	9.203 \| good	0.186 \| good
2025-10-24T07:00:00.000Z	33 \| good	5.599 \| good	23.962 \| good	15.134 \| good	0.806 \| good	9.217 \| good	0.186 \| good
2025-10-24T08:00:00.000Z	27 \| good	4.507 \| good	19.882 \| good	13.166 \| good	0.819 \| good	9.232 \| good	0.185 \| good
2025-10-24T09:00:00.000Z	16 \| good	3.489 \| good	15.834 \| good	6.024 \| good	0.831 \| good	9.246 \| good	0.185 \| good
2025-10-24T10:00:00.000Z	22 \| good	4.079 \| good	17.888 \| good	4.395 \| good	0.891 \| good	10.334 \| good	0.196 \| good
2025-10-24T11:00:00.000Z	38 \| good	6.687 \| good	29.849 \| good	2.121 \| good	0.95 \| good	11.423 \| good	0.206 \| good
2025-10-24T12:00:00.000Z	44 \| good	8.377 \| good	36.77 \| good	2.268 \| good	1.01 \| good	12.511 \| good	0.217 \| good
2025-10-24T13:00:00.000Z	52 \| moderate	9.728 \| good	42.831 \| good	8.544 \| good	1.162 \| good	10.203 \| good	0.207 \| good
2025-10-24T14:00:00.000Z	38 \| good	6.532 \| good	28.973 \| good	17.598 \| good	1.314 \| good	7.894 \| good	0.197 \| 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

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Air quality levels in US

Frequently asked questions

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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?