Best China AQI app!
This app uses the latest US EPA method of computing AQI, and I must say that it seems much more accurate than other apps. In Suzhou you can tell by the smell of the air and the poor visibility when the air is bad. This app puts a number on the obvious problem. My other apps eg China Air Quality Index (CAQI) greatly underestimate the pollution.
Today for instance CAQI says the AQI is 87 while the US EPA data in this app shows 151!!
The pollution readings are more current as well. At this moment this app had readings 1 hour more current then the CAQI app (and thats even after a forced refresh). With how fast the air changes here that is very important. Especially if you have young children.
One shortcoming: this app does not use GPS to determine the nearest station. That is an extremely useful feature that CAQI does offer. For that reason when traveling I use both apps, but I only use CAQI for their raw numbers then guesstimate the AQI since the standard they use is bizarrely low.
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Air Quality China