Major Air Pollutants in United States
PM2.5 ✓
The current PM2.5 concentration in United States is ✓below the recommended limit given by the WHO 24 hrs air quality guidelines value.
United States - States Air Pollution Level
| STATES | Status | AQI | AQI-US | AQI-IN | PM2.5 | PM10 | Temp | Humid |
|---|---|---|---|---|---|---|---|---|
| Alabama | GOOD | 33 | 33 | 21 | 8 | 13 | 19 | 80 |
| California | GOOD | 33 | 33 | 28 | 8 | 28 | 14 | 41 |
| Pennsylvania | GOOD | 37 | 37 | 20 | 9 | 19 | 11 | 68 |
| Washington | GOOD | 25 | 25 | 16 | 6 | 16 | 7 | 64 |
| Iowa | GOOD | 20 | 20 | 15 | 5 | 14 | 15 | 90 |
| Ohio | GOOD | 20 | 20 | 17 | 5 | 14 | 17 | 61 |
| Alaska | GOOD | 18 | 18 | 8 | 4 | 6 | -3 | 75 |
| New Hampshire | GOOD | 27 | 27 | 23 | 6 | 8 | 8 | 69 |
| Illinois | GOOD | 20 | 20 | 18 | 5 | 11 | 19 | 85 |
| New Jersey | GOOD | 36 | 36 | 16 | 9 | 16 | 11 | 80 |
| Delaware | GOOD | 42 | 42 | 18 | 10 | 18 | 13 | 89 |
| Oregon | GOOD | 22 | 22 | 18 | 5 | 18 | 7 | 61 |
| Virginia | GOOD | 23 | 23 | 12 | 6 | 12 | 13 | 78 |
| Maryland | GOOD | 30 | 30 | 13 | 7 | 12 | 14 | 77 |
| North Carolina | GOOD | 29 | 29 | 17 | 7 | 17 | 14 | 78 |
| Rhode Island | GOOD | 22 | 22 | 21 | 5 | 7 | 10 | 75 |
| Idaho | GOOD | 23 | 23 | 13 | 6 | 12 | 2 | 55 |
| Texas | GOOD | 30 | 30 | 22 | 7 | 20 | 22 | 74 |
| Wisconsin | GOOD | 18 | 18 | 14 | 4 | 8 | 15 | 84 |
| South Carolina | GOOD | 28 | 28 | 17 | 7 | 16 | 16 | 83 |
| Massachusetts | GOOD | 26 | 26 | 21 | 6 | 8 | 9 | 73 |
| Kentucky | GOOD | 19 | 19 | 13 | 4 | 10 | 18 | 66 |
| Connecticut | GOOD | 26 | 26 | 11 | 6 | 11 | 10 | 86 |
| Indiana | GOOD | 20 | 20 | 16 | 5 | 10 | 18 | 77 |
| Missouri | GOOD | 21 | 21 | 14 | 5 | 12 | 18 | 84 |
| New York | GOOD | 31 | 31 | 16 | 8 | 14 | 11 | 77 |
| Florida | GOOD | 32 | 32 | 21 | 8 | 21 | 24 | 84 |
| Tennessee | GOOD | 26 | 26 | 15 | 6 | 12 | 16 | 71 |
| Vermont | GOOD | 28 | 28 | 21 | 6 | 11 | 8 | 74 |
| Louisiana | GOOD | 27 | 27 | 22 | 6 | 19 | 24 | 81 |
| Wyoming | GOOD | 7 | 7 | 7 | 1 | 4 | 0 | 33 |
| Mississippi | GOOD | 29 | 29 | 23 | 7 | 17 | 23 | 74 |
| New Mexico | GOOD | 7 | 7 | 7 | 1 | 3 | 4 | 30 |
| Montana | GOOD | 14 | 14 | 10 | 3 | 7 | 1 | 47 |
| Minnesota | GOOD | 24 | 24 | 10 | 6 | 9 | 7 | 72 |
| Hawaii | GOOD | 25 | 25 | 21 | 6 | 21 | 15 | 47 |
| Arizona | GOOD | 30 | 30 | 21 | 7 | 18 | 11 | 29 |
| Nevada | GOOD | 15 | 15 | 15 | 4 | 15 | 5 | 19 |
| Utah | GOOD | 10 | 10 | 8 | 2 | 3 | 0 | 37 |
| Michigan | GOOD | 25 | 25 | 14 | 6 | 12 | 17 | 82 |
| Colorado | GOOD | 10 | 10 | 6 | 2 | 5 | 1 | 32 |
| Nebraska | GOOD | 17 | 17 | 7 | 4 | 7 | 13 | 85 |
| Oklahoma | GOOD | 18 | 18 | 12 | 4 | 9 | 15 | 87 |
| South Dakota | GOOD | 34 | 34 | 15 | 8 | 13 | 3 | 60 |
| Georgia | GOOD | 32 | 32 | 16 | 8 | 15 | 16 | 84 |
| North Dakota | GOOD | 28 | 28 | 16 | 7 | 14 | 2 | 53 |
| Maine | GOOD | 16 | 16 | 10 | 4 | 6 | 6 | 85 |
| Kansas | GOOD | 14 | 14 | 8 | 3 | 7 | 13 | 78 |
| West Virginia | GOOD | 27 | 27 | 21 | 6 | 16 | 16 | 60 |
| Arkansas | GOOD | 17 | 17 | 13 | 4 | 6 | 14 | 56 |
| Gaum | GOOD | 33 | 33 | 20 | 8 | 9 | 16 | 44 |
United States - Metro Cities AQI
Historic Air Quality Graph of United States
Best
Oct 1, 2020
Worst
Oct 1, 2020
0
Explore an insightful air pollution data for last 24 hrs, 7 days & 1 month
FAQs of United States's Air Quality Index
(Frequently Asked Questions)
Some facts about air pollution level in United States and what quality of air you breathe in your region.
The real-time air quality in United States is 18 GOOD AQI now. This was last updated .
The current concentration of PM2.5 in United States is 8 (µg/m³). The World Health Organisation (WHO) recommends 15 µg/m³ as the threshold concentration of PM2.5 for 24 hrs mean. Currently, the concentration is 0.32 times the recommended limit.
Generally, the air quality at United States starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.
You should wear a good N95 mask when you go outdoor in United States until the AQI is improving upto moderate range.
Office going people should avoid personal vehicles and use public transportations or carpooling.
(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.
(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.
Indoor air pollution in United States is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.
In United States, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in United States is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.
World's Most Polluted Cities & Countries AQI Ranking
Real-time top most polluted cities, and monthly & annual historic AQI ranking of cities & countries
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