What is the current concentration of PM10 in Hilo, Hawaii?

The current PM10 concentration at Hilo, Hawaii is 5.651 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Hilo, Hawaii?

The current sulfur dioxide (SO2) concentration at Hilo, Hawaii is 1.606 ppb.

What is the current concentration of ozone (O3) in Hilo, Hawaii?

The current ozone (O3) concentration at Hilo, Hawaii is 29.327 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Hilo, Hawaii?

The current nitrogen dioxide (NO2) concentration at Hilo, Hawaii is 3.894 ppb.

Hilo, Hawaii live air quality index now

Q: What is the current concentration of PM2.5 in Hilo, Hawaii?

The current PM2.5 concentration at Hilo, Hawaii is 1.438 μg/m3.

Stay updated with real-time air quality in Hilo, Hawaii 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

Hilo, Hawaii

Last updated: ... (Local time)

Major air pollutants in Hilo, Hawaii

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.20 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.03 μg/m³

155

255

425

605+

Ozone (O₃)

30.08 ppb

201

201+

Sulfur Dioxide (SO₂)

1.46 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.65 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.44 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Hilo, Hawaii

Scroll To Air Quality Map

Track live Hilo, Hawaii air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-28T09:00:00.000Z	17 \| good	1.865 \| good	8.223 \| good	17.927 \| good	1.174 \| good	3.787 \| good	0.538 \| good
2025-12-28T10:00:00.000Z	14 \| good	1.494 \| good	6.385 \| good	14.598 \| good	1.162 \| good	4.011 \| good	0.445 \| good
2025-12-28T11:00:00.000Z	15 \| good	1.827 \| good	7.6 \| good	15.596 \| good	1.162 \| good	4.235 \| good	0.432 \| good
2025-12-28T12:00:00.000Z	21 \| good	2.303 \| good	9.977 \| good	22.516 \| good	1.156 \| good	4.016 \| good	0.432 \| good
2025-12-28T13:00:00.000Z	19 \| good	1.17 \| good	5.279 \| good	19.799 \| good	1.344 \| good	3.595 \| good	0.425 \| good
2025-12-28T14:00:00.000Z	17 \| good	0.559 \| good	2.24 \| good	18.237 \| good	1.304 \| good	4.023 \| good	0.419 \| good
2025-12-28T15:00:00.000Z	19 \| good	1.251 \| good	5.228 \| good	20.197 \| good	1.306 \| good	3.773 \| good	0.419 \| good
2025-12-28T16:00:00.000Z	18 \| good	2.144 \| good	9.219 \| good	19.411 \| good	1.682 \| good	3.581 \| good	0.425 \| good
2025-12-28T17:00:00.000Z	17 \| good	1.082 \| good	4.37 \| good	18.173 \| good	2.814 \| good	3.593 \| good	0.432 \| good
2025-12-28T18:00:00.000Z	13 \| good	1.018 \| good	4.107 \| good	13.774 \| good	3.109 \| good	3.362 \| good	0.487 \| good
2025-12-28T19:00:00.000Z	14 \| good	1.45 \| good	5.797 \| good	14.667 \| good	2.514 \| good	4.212 \| good	0.562 \| good
2025-12-28T20:00:00.000Z	22 \| good	3.569 \| good	15.421 \| good	13.811 \| good	1.848 \| good	3.354 \| good	0.475 \| good
2025-12-28T21:00:00.000Z	22 \| good	4.27 \| good	18.858 \| good	14.212 \| good	1.507 \| good	3.229 \| good	0.462 \| good
2025-12-28T22:00:00.000Z	22 \| good	4.085 \| good	17.96 \| good	17.799 \| good	1.56 \| good	3.275 \| good	0.375 \| good
2025-12-28T23:00:00.000Z	27 \| good	4.992 \| good	21.973 \| good	24.819 \| good	7.917 \| good	3.494 \| good	0.375 \| good
2025-12-29T00:00:00.000Z	26 \| good	4.107 \| good	18.448 \| good	28.388 \| good	4.893 \| good	3.587 \| good	0.368 \| good
2025-12-29T01:00:00.000Z	27 \| good	3.043 \| good	12.267 \| good	29.108 \| good	1.015 \| good	3.578 \| good	0.375 \| good
2025-12-29T02:00:00.000Z	27 \| good	3.075 \| good	12.38 \| good	29.353 \| good	1.593 \| good	3.757 \| good	0.419 \| good
2025-12-29T03:00:00.000Z	33 \| good	1.832 \| good	7.935 \| good	36.491 \| good	0.042 \| good	0.201 \| good	0.121 \| good
2025-12-29T04:00:00.000Z	29 \| good	1.413 \| good	5.921 \| good	31.139 \| good	1.456 \| good	5.895 \| good	0.432 \| good
2025-12-29T05:00:00.000Z	26 \| good	0.761 \| good	2.72 \| good	28.057 \| good	1.318 \| good	5.561 \| good	0.444 \| good
2025-12-29T06:00:00.000Z	25 \| good	1.406 \| good	5.469 \| good	27.381 \| good	1.167 \| good	4.949 \| good	0.438 \| good
2025-12-29T07:00:00.000Z	26 \| good	2.59 \| good	10.974 \| good	28.205 \| good	1.167 \| good	5.078 \| good	0.438 \| good
2025-12-29T08:00:00.000Z	26 \| good	3.334 \| good	15.118 \| good	27.924 \| good	1.167 \| good	4.764 \| good	0.5 \| good
2025-12-29T09:00:00.000Z	26 \| good	2.148 \| good	9.249 \| good	27.793 \| good	1.167 \| good	4.388 \| good	0.413 \| good
2025-12-29T10:00:00.000Z	22 \| good	1.67 \| good	6.75 \| good	23.535 \| good	1.156 \| good	4.441 \| good	0.487 \| good
2025-12-29T11:00:00.000Z	18 \| good	3.222 \| good	14.112 \| good	18.558 \| good	1.906 \| good	3.922 \| good	0.481 \| good
2025-12-29T12:00:00.000Z	22 \| good	3.609 \| good	16.051 \| good	23.952 \| good	2.659 \| good	3.617 \| good	0.406 \| good
2025-12-29T13:00:00.000Z	24 \| good	3.609 \| good	16.05 \| good	25.919 \| good	2.659 \| good	3.578 \| good	0.4 \| good
2025-12-29T14:00:00.000Z	30 \| good	1.957 \| good	8.269 \| good	29.232 \| good	20.953 \| good	3.532 \| good	0.419 \| good
2025-12-29T15:00:00.000Z	31 \| good	0.99 \| good	4.324 \| good	33.19 \| good	9.739 \| good	4.139 \| good	0.425 \| good
2025-12-29T16:00:00.000Z	30 \| good	0.498 \| good	2.366 \| good	31.557 \| good	10.77 \| good	4.55 \| good	0.476 \| good
2025-12-29T17:00:00.000Z	27 \| good	2.224 \| good	9.12 \| good	24.66 \| good	18.797 \| good	4.07 \| good	0.551 \| good
2025-12-29T18:00:00.000Z	21 \| good	1.214 \| good	5.407 \| good	22.754 \| good	12.554 \| good	3.814 \| good	0.587 \| good
2025-12-29T19:00:00.000Z	22 \| good	1.042 \| good	4.168 \| good	23.884 \| good	7.964 \| good	5.342 \| good	0.494 \| good
2025-12-29T20:00:00.000Z	33 \| good	5.791 \| good	25.936 \| good	27.805 \| good	4.932 \| good	3.591 \| good	0.394 \| good
2025-12-29T21:00:00.000Z	33 \| good	6.296 \| good	28.009 \| good	27.682 \| good	1.46 \| good	3.614 \| good	0.381 \| good
2025-12-29T22:00:00.000Z	52 \| moderate	10.249 \| good	45.961 \| good	29.18 \| good	3.907 \| good	3.392 \| good	0.381 \| good
2025-12-29T23:00:00.000Z	38 \| good	6.982 \| good	30.601 \| good	31.001 \| good	1.008 \| good	3.558 \| good	0.368 \| good
2025-12-30T00:00:00.000Z	38 \| good	6.974 \| good	31.429 \| good	30.067 \| good	1.319 \| good	3.099 \| good	0.26 \| good
2025-12-30T01:00:00.000Z	38 \| good	6.94 \| good	31.207 \| good	31.097 \| good	1.318 \| good	3.016 \| good	0.34 \| good
2025-12-30T02:00:00.000Z	38 \| good	7.073 \| good	31.808 \| good	31.315 \| good	1.167 \| good	3.774 \| good	0.4 \| good
2025-12-30T03:00:00.000Z	31 \| good	3.917 \| good	21.63 \| good	33.877 \| good	1.008 \| good	4.032 \| good	0.432 \| good
2025-12-30T04:00:00.000Z	31 \| good	2.733 \| good	11.175 \| good	32.756 \| good	1.757 \| good	4.224 \| good	0.432 \| good
2025-12-30T05:00:00.000Z	28 \| good	2.85 \| good	12.224 \| good	29.756 \| good	1.757 \| good	4.43 \| good	0.464 \| good
2025-12-30T06:00:00.000Z	27 \| good	1.438 \| good	5.651 \| good	29.327 \| good	1.606 \| good	3.894 \| good	0.444 \| good
2025-12-30T07:00:00.000Z	28 \| good	3.202 \| good	14.026 \| good	30.076 \| good	1.456 \| good	3.647 \| good	0.438 \| good
2025-12-30T08:00:00.000Z	28 \| good	3.202 \| good	14.026 \| good	30.076 \| good	1.456 \| good	3.647 \| good	0.438 \| good
2025-12-30T07:00:00.000Z	32 \| good	2.277 \| good	9.055 \| good	35.159 \| good	0.06 \| good	0.722 \| good	0.119 \| good
2025-12-30T08:00:00.000Z	33 \| good	2.328 \| good	9.889 \| good	36.159 \| good	0.058 \| good	0.696 \| good	0.118 \| good
2025-12-30T09:00:00.000Z	34 \| good	2.368 \| good	9.928 \| good	36.658 \| good	0.057 \| good	0.669 \| good	0.116 \| good
2025-12-30T10:00:00.000Z	34 \| good	2.308 \| good	9.903 \| good	37.079 \| good	0.052 \| good	0.593 \| good	0.114 \| good
2025-12-30T11:00:00.000Z	34 \| good	2.288 \| good	9.112 \| good	37.063 \| good	0.046 \| good	0.516 \| good	0.112 \| good
2025-12-30T12:00:00.000Z	34 \| good	2.283 \| good	9.112 \| good	36.94 \| good	0.041 \| good	0.44 \| good	0.109 \| good
2025-12-30T13:00:00.000Z	35 \| good	2.314 \| good	9.903 \| good	37.533 \| good	0.038 \| good	0.415 \| good	0.108 \| good
2025-12-30T14:00:00.000Z	36 \| good	2.363 \| good	9.928 \| good	39.291 \| good	0.036 \| good	0.39 \| good	0.107 \| good
2025-12-30T15:00:00.000Z	38 \| good	2.451 \| good	9.974 \| good	40.993 \| good	0.033 \| good	0.365 \| good	0.106 \| good
2025-12-30T16:00:00.000Z	39 \| good	2.47 \| good	10.046 \| good	42.063 \| good	0.035 \| good	0.436 \| good	0.107 \| good
2025-12-30T17:00:00.000Z	39 \| good	2.478 \| good	10.019 \| good	42.327 \| good	0.038 \| good	0.507 \| good	0.108 \| good
2025-12-30T18:00:00.000Z	40 \| good	2.379 \| good	9.928 \| good	42.663 \| good	0.04 \| good	0.578 \| good	0.109 \| good
2025-12-30T19:00:00.000Z	40 \| good	2.309 \| good	9.903 \| good	43.064 \| good	0.039 \| good	0.424 \| good	0.107 \| good
2025-12-30T20:00:00.000Z	40 \| good	2.345 \| good	9.928 \| good	43.443 \| good	0.039 \| good	0.27 \| good	0.106 \| good
2025-12-30T21:00:00.000Z	41 \| good	2.436 \| good	9.95 \| good	43.733 \| good	0.038 \| good	0.116 \| good	0.104 \| good
2025-12-30T22:00:00.000Z	41 \| good	2.441 \| good	10 \| good	43.603 \| good	0.039 \| good	0.111 \| good	0.104 \| good
2025-12-30T23:00:00.000Z	40 \| good	2.382 \| good	10 \| good	42.953 \| good	0.039 \| good	0.106 \| good	0.104 \| good
2025-12-31T00:00:00.000Z	39 \| good	2.344 \| good	9.928 \| good	41.823 \| good	0.04 \| good	0.1 \| good	0.105 \| good
2025-12-31T01:00:00.000Z	38 \| good	2.375 \| good	10 \| good	40.827 \| good	0.039 \| good	0.129 \| good	0.105 \| good
2025-12-31T02:00:00.000Z	37 \| good	2.418 \| good	10 \| good	39.765 \| good	0.037 \| good	0.158 \| good	0.106 \| good
2025-12-31T03:00:00.000Z	35 \| good	2.54 \| good	10.059 \| good	37.847 \| good	0.036 \| good	0.187 \| good	0.107 \| good
2025-12-31T04:00:00.000Z	34 \| good	2.529 \| good	10.059 \| good	37.221 \| good	0.043 \| good	0.391 \| good	0.11 \| good
2025-12-31T05:00:00.000Z	35 \| good	2.359 \| good	9.943 \| good	38.039 \| good	0.051 \| good	0.595 \| good	0.113 \| good
2025-12-31T06:00:00.000Z	36 \| good	2.221 \| good	9.019 \| good	38.83 \| good	0.058 \| good	0.799 \| good	0.116 \| good
2025-12-31T07:00:00.000Z	36 \| good	2.202 \| good	8.996 \| good	39.082 \| good	0.059 \| good	0.765 \| good	0.115 \| good
2025-12-31T08:00:00.000Z	36 \| good	2.304 \| good	9.903 \| good	39.431 \| good	0.061 \| good	0.73 \| good	0.114 \| good
2025-12-31T09:00:00.000Z	37 \| good	2.344 \| good	9.928 \| good	40.193 \| good	0.063 \| good	0.695 \| good	0.114 \| good
2025-12-31T10:00:00.000Z	38 \| good	2.364 \| good	9.928 \| good	40.849 \| good	0.075 \| good	0.619 \| good	0.112 \| good
2025-12-31T11:00:00.000Z	38 \| good	2.385 \| good	9.928 \| good	40.658 \| good	0.088 \| good	0.544 \| good	0.11 \| good
2025-12-31T12:00:00.000Z	37 \| good	2.409 \| good	9.928 \| good	39.666 \| good	0.101 \| good	0.468 \| good	0.108 \| good
2025-12-31T13:00:00.000Z	36 \| good	2.437 \| good	9.978 \| good	39.369 \| good	0.139 \| good	0.43 \| good	0.107 \| good
2025-12-31T14:00:00.000Z	36 \| good	2.447 \| good	10.005 \| good	39.175 \| good	0.178 \| good	0.393 \| good	0.106 \| good
2025-12-31T15:00:00.000Z	36 \| good	2.417 \| good	9.928 \| good	38.922 \| good	0.216 \| good	0.356 \| good	0.106 \| good
2025-12-31T16:00:00.000Z	35 \| good	2.392 \| good	9.928 \| good	38.449 \| good	0.195 \| good	0.454 \| good	0.107 \| good
2025-12-31T17:00:00.000Z	35 \| good	2.474 \| good	10.031 \| good	38.036 \| good	0.174 \| good	0.553 \| good	0.109 \| good
2025-12-31T18:00:00.000Z	37 \| good	2.445 \| good	9.955 \| good	39.615 \| good	0.153 \| good	0.651 \| good	0.11 \| good
2025-12-31T19:00:00.000Z	38 \| good	2.247 \| good	9.059 \| good	41.491 \| good	0.158 \| good	0.467 \| good	0.108 \| good
2025-12-31T20:00:00.000Z	39 \| good	2.207 \| good	9.046 \| good	41.861 \| good	0.163 \| good	0.284 \| good	0.105 \| good
2025-12-31T21:00:00.000Z	39 \| good	2.175 \| good	8.928 \| good	41.923 \| good	0.168 \| good	0.1 \| good	0.102 \| good
2025-12-31T22:00:00.000Z	39 \| good	2.131 \| good	8.928 \| good	41.656 \| good	0.192 \| good	0.094 \| good	0.101 \| good
2025-12-31T23:00:00.000Z	38 \| good	2.132 \| good	8.928 \| good	41.291 \| good	0.217 \| good	0.088 \| good	0.101 \| good
2026-01-01T00:00:00.000Z	38 \| good	2.101 \| good	8.861 \| good	40.939 \| good	0.242 \| good	0.082 \| good	0.1 \| good
2026-01-01T01:00:00.000Z	38 \| good	2.069 \| good	8.059 \| good	40.648 \| good	0.242 \| good	0.109 \| good	0.1 \| good
2026-01-01T02:00:00.000Z	38 \| good	2.073 \| good	8.059 \| good	40.637 \| good	0.243 \| good	0.137 \| good	0.1 \| good
2026-01-01T03:00:00.000Z	37 \| good	2.213 \| good	8.974 \| good	39.763 \| good	0.244 \| good	0.165 \| good	0.1 \| good
2026-01-01T04:00:00.000Z	36 \| good	2.318 \| good	9.903 \| good	38.895 \| good	0.234 \| good	0.402 \| good	0.103 \| good
2026-01-01T05:00:00.000Z	35 \| good	2.311 \| good	9.903 \| good	38.244 \| good	0.224 \| good	0.64 \| good	0.106 \| good
2026-01-01T06:00:00.000Z	38 \| good	6.966 \| good	10.095 \| good	32.524 \| good	0.213 \| good	0.874 \| good	0.109 \| good

Hilo

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Hilo, Hawaii air quality map: Track AQI near you

0.43ppm

How accurate is Hawaii, USA air quality data?

Air quality data and pollutant measurements for Hawaii, 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 Hilo, Hawaii updated?

The air quality for Hilo, Hawaii is updated every hour.

When was the worst air quality at Hilo, Hawaii in the last 24 hrs?

The worst air quality in Hilo, Hawaii in the last 24 hours was observed at 10:00:00 on 2025-12-29.

When was the best air quality at Hilo, Hawaii in the last 24 hrs?

In the last 24 hrs, the best air quality in Hilo, Hawaii was observed at 11:00:00 on 2025-12-29.

What is the current air quality in Hilo, Hawaii?

The current air quality in Hilo, Hawaii is 27, categorized as Good based on real-time data.

What pollutant is the most common in Hilo, Hawaii?

The most common pollutant in Hilo, Hawaii is O3.

What should I do if the air quality in Hilo, Hawaii is poor?

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

What is the current concentration of PM_2.5 in Hilo, Hawaii?

The current PM_2.5 concentration at Hilo, Hawaii is 1.438 μg/m³.

What is the current concentration of PM₁₀ in Hilo, Hawaii?

The current PM₁₀ concentration at Hilo, Hawaii is 5.651 μg/m³.

What is the current concentration of carbon monoxide (CO) in Hilo, Hawaii?

The current carbon monoxide (CO) concentration at Hilo, Hawaii is 0.444 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Hilo, Hawaii?

The current sulfur dioxide (SO₂) concentration at Hilo, Hawaii is 1.606 ppb.

What is the current concentration of ozone (O₃) in Hilo, Hawaii?

The current ozone (O₃) concentration at Hilo, Hawaii is 29.327 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Hilo, Hawaii?

The current nitrogen dioxide (NO₂) concentration at Hilo, Hawaii is 3.894 ppb.

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