2022年1—3月全(quan)國(guo)環境空氣質量(liang)狀況顯示，全(quan)國(guo)339個地級及以上(shang)城市平(ping)均(jun)優良天(tian)數比(bi)(bi)(bi)例為(wei)(wei)83.8%，同(tong)比(bi)(bi)(bi)上(shang)升2.9個百分點；PM2.5平(ping)均(jun)濃(nong)(nong)(nong)度(du)(du)為(wei)(wei)43微(wei)(wei)克(ke)/立方米，同(tong)比(bi)(bi)(bi)下降4.4%；PM10平(ping)均(jun)濃(nong)(nong)(nong)度(du)(du)為(wei)(wei)65微(wei)(wei)克(ke)/立方米，同(tong)比(bi)(bi)(bi)下降13.3%；O3平(ping)均(jun)濃(nong)(nong)(nong)度(du)(du)為(wei)(wei)110微(wei)(wei)克(ke)/立方米，同(tong)比(bi)(bi)(bi)上(shang)升1.9%；SO2平(ping)均(jun)濃(nong)(nong)(nong)度(du)(du)為(wei)(wei)10微(wei)(wei)克(ke)/立方米，同(tong)比(bi)(bi)(bi)下降16.7%；NO2平(ping)均(jun)濃(nong)(nong)(nong)度(du)(du)為(wei)(wei)25微(wei)(wei)克(ke)/立方米，同(tong)比(bi)(bi)(bi)下降13.8%；CO平(ping)均(jun)濃(nong)(nong)(nong)度(du)(du)為(wei)(wei)1.2毫克(ke)/立方米，同(tong)比(bi)(bi)(bi)下降7.7%。

全國主要城市空(kong)氣質(zhi)量(liang)排(pai)行榜中，拉薩、海口和(he)舟(zhou)山市等20座城市空(kong)氣質(zhi)量(liang)相(xiang)對較好；烏魯木(mu)齊、咸(xian)陽和(he)南陽市等城市空(kong)氣質(zhi)量(liang)相(xiang)對較差。