Pollution monitoring in countries outside of the United States doesnt necessarily use the AQI but can be

Question:

Pollution monitoring in countries outside of the United States doesn’t necessarily use the AQI but can be translated into the same index. Use the Internet to determine what it means when a smoggy day is considered “beyond index.” Has a U.S. city ever recorded an AQI beyond index?

Fantastic news! We've Found the answer you've been seeking!