AQSQID: BJ1010001

Site Name: Beijing

Location: None, None

Reporting: True, Located: False

Current AQI: 33.0

None None, None: None, None

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 17.0 μg/m3 (61) 61.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 14.0 μg/m3 (54) 54.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 14.0 μg/m3 (54) 54.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 22.0 μg/m3 (71) 71.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 25.0 μg/m3 (78) 78.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 16.0 μg/m3 (59) 59.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 18.0 μg/m3 (63) 63.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 24.0 μg/m3 (76) 76.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 41.0 μg/m3 (114) 114.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 99.0 μg/m3 (173) 173.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 58.0 μg/m3 (151) 151.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 88.0 μg/m3 (167) 167.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 107.0 μg/m3 (177) 177.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 106.0 μg/m3 (177) 177.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 90.0 μg/m3 (168) 168.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 74.0 μg/m3 (160) 160.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 76.0 μg/m3 (161) 161.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 74.0 μg/m3 (160) 160.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 81.0 μg/m3 (163) 163.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 79.0 μg/m3 (162) 162.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 74.0 μg/m3 (160) 160.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (157) 157.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 65.0 μg/m3 (155) 155.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 61.0 μg/m3 (153) 153.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 62.0 μg/m3 (153) 153.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 66.0 μg/m3 (156) 156.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 62.0 μg/m3 (153) 153.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 64.0 μg/m3 (154) 154.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 65.0 μg/m3 (155) 155.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 58.0 μg/m3 (151) 151.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 56.0 μg/m3 (150) 150.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 66.0 μg/m3 (156) 156.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 60.0 μg/m3 (152) 152.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 62.0 μg/m3 (153) 153.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 61.0 μg/m3 (153) 153.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 75.0 ppb (58) N/A N/A 65.0 μg/m3 (155) 155.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (57) N/A N/A 98.0 μg/m3 (172) 172.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 128.0 μg/m3 (188) 188.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 127.0 μg/m3 (188) 188.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 158.0 μg/m3 (208) 208.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 150.0 μg/m3 (200) 200.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 153.0 μg/m3 (202) 202.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 162.0 μg/m3 (212) 212.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 159.0 μg/m3 (208) 208.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 154.0 μg/m3 (204) 204.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 149.0 μg/m3 (199) 199.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 153.0 μg/m3 (202) 202.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 157.0 μg/m3 (206) 206.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 163.0 μg/m3 (212) 212.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 167.0 μg/m3 (216) 216.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 172.0 μg/m3 (222) 222.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 154.0 μg/m3 (204) 204.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 148.0 μg/m3 (199) 199.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 144.0 μg/m3 (197) 197.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 147.0 μg/m3 (198) 198.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 128.0 μg/m3 (188) 188.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 119.0 μg/m3 (183) 183.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 112.0 μg/m3 (180) 180.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 108.0 μg/m3 (178) 178.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 117.0 μg/m3 (182) 182.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 105.0 μg/m3 (176) 176.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 110.0 μg/m3 (179) 179.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 113.0 μg/m3 (180) 180.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 105.0 μg/m3 (176) 176.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 104.0 μg/m3 (176) 176.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 100.0 μg/m3 (173) 173.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 96.0 μg/m3 (171) 171.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 90.0 μg/m3 (168) 168.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 88.0 μg/m3 (167) 167.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 85.0 μg/m3 (166) 166.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 79.0 μg/m3 (162) 162.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 70.0 μg/m3 (158) 158.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 66.0 μg/m3 (156) 156.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 70.0 μg/m3 (158) 158.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 65.0 μg/m3 (155) 155.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 60.0 μg/m3 (152) 152.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 56.0 μg/m3 (150) 150.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 51.0 μg/m3 (139) 139.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 51.0 μg/m3 (139) 139.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 51.0 μg/m3 (139) 139.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 48.0 μg/m3 (131) 131.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 55.0 μg/m3 (149) 149.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 54.0 μg/m3 (146) 146.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 57.0 μg/m3 (151) 151.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 56.0 μg/m3 (150) 150.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 61.0 μg/m3 (153) 153.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 60.0 μg/m3 (152) 152.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 62.0 μg/m3 (153) 153.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 68.0 μg/m3 (157) 157.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 80.0 μg/m3 (163) 163.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 84.0 μg/m3 (165) 165.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 76.0 μg/m3 (161) 161.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 74.0 μg/m3 (160) 160.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 71.0 μg/m3 (158) 158.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 58.0 μg/m3 (151) 151.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 25.0 μg/m3 (78) 78.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 20.0 μg/m3 (67) 67.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 14.0 μg/m3 (54) 54.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 15.0 μg/m3 (56) 56.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 16.0 μg/m3 (59) 59.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 29.0 μg/m3 (86) 86.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 33.0 μg/m3 (95) 95.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 38.0 μg/m3 (106) 106.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 38.0 μg/m3 (106) 106.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 34.0 μg/m3 (97) 97.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 30.0 μg/m3 (88) 88.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 34.0 μg/m3 (97) 97.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 32.0 μg/m3 (93) 93.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 32.0 μg/m3 (93) 93.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 35.0 μg/m3 (99) 99.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 33.0 μg/m3 (95) 95.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 34.0 μg/m3 (97) 97.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 35.0 μg/m3 (99) 99.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 30.0 μg/m3 (88) 88.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 26.0 μg/m3 (80) 80.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 27.0 μg/m3 (82) 82.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 22.0 μg/m3 (71) 71.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 17.0 μg/m3 (61) 61.0