AQSQID: 80011G011

Site Name: Estaci¢N T21

Location: León (Blvd Venustiano Carranza), MX

Reporting: True, Located: True

Current AQI: 70.0

León (Blvd Venustiano Carranza) MX, MX: 21.108683, -101.68863

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (37) N/A 96.0 μg/m3 (70) N/A 70.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 50.0 ppb (38) N/A 138.0 μg/m3 (92) N/A 92.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 53.0 ppb (41) N/A 122.0 μg/m3 (84) N/A 84.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 64.0 ppb (49) N/A 106.0 μg/m3 (76) N/A 76.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 68.0 ppb (52) N/A 55.0 μg/m3 (50) N/A 52.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 68.0 ppb (52) N/A 60.0 μg/m3 (52) N/A 52.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 69.0 ppb (53) N/A 55.0 μg/m3 (50) N/A 53.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 66.0 ppb (51) N/A 48.0 μg/m3 (44) N/A 51.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 67.0 ppb (52) N/A 53.0 μg/m3 (48) N/A 52.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 63.0 ppb (48) N/A 51.0 μg/m3 (46) N/A 48.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 57.0 ppb (44) N/A 52.0 μg/m3 (47) N/A 47.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 54.0 ppb (42) N/A 73.0 μg/m3 (59) N/A 59.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 40.0 ppb (31) N/A 64.0 μg/m3 (54) N/A 54.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) N/A 74.0 μg/m3 (60) N/A 60.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 69.0 μg/m3 (57) N/A 57.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 5.0 ppb (4) N/A 46.0 μg/m3 (42) N/A 42.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 15.0 ppb (12) N/A 49.0 μg/m3 (45) N/A 45.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) N/A 56.0 μg/m3 (50) N/A 50.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) N/A 48.0 μg/m3 (44) N/A 44.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) N/A 33.0 μg/m3 (30) N/A 30.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) N/A 35.0 μg/m3 (32) N/A 32.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 44.0 ppb (34) N/A 37.0 μg/m3 (34) N/A 34.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 45.0 ppb (35) N/A 61.0 μg/m3 (53) N/A 53.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (38) N/A 70.0 μg/m3 (58) N/A 58.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 52.0 ppb (40) N/A 70.0 μg/m3 (58) N/A 58.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 54.0 ppb (42) N/A 49.0 μg/m3 (45) N/A 45.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 64.0 ppb (49) N/A 51.0 μg/m3 (46) N/A 49.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 66.0 ppb (51) N/A 43.0 μg/m3 (39) N/A 51.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 67.0 ppb (52) N/A 50.0 μg/m3 (45) N/A 52.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 67.0 ppb (52) N/A 65.0 μg/m3 (55) N/A 55.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 66.0 ppb (51) N/A 55.0 μg/m3 (50) N/A 51.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 64.0 ppb (49) N/A 55.0 μg/m3 (50) N/A 50.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 62.0 ppb (48) N/A 50.0 μg/m3 (45) N/A 48.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 56.0 ppb (43) N/A 52.0 μg/m3 (47) N/A 47.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (36) N/A 72.0 μg/m3 (58) N/A 58.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) N/A 121.0 μg/m3 (83) N/A 83.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) N/A 64.0 μg/m3 (54) N/A 54.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) N/A 64.0 μg/m3 (54) N/A 54.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 7.0 ppb (5) N/A 44.0 μg/m3 (40) N/A 40.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) N/A 45.0 μg/m3 (41) N/A 41.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 23.0 ppb (18) N/A 59.0 μg/m3 (52) N/A 52.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 19.0 ppb (15) N/A 48.0 μg/m3 (44) N/A 44.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 34.0 ppb (26) N/A 40.0 μg/m3 (36) N/A 36.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (31) N/A 43.0 μg/m3 (39) N/A 39.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) N/A 45.0 μg/m3 (41) N/A 41.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) N/A 70.0 μg/m3 (58) N/A 58.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (37) N/A 80.0 μg/m3 (62) N/A 62.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 62.0 ppb (48) N/A 76.0 μg/m3 (60) N/A 60.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 65.0 ppb (50) N/A 80.0 μg/m3 (62) N/A 62.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 62.0 ppb (48) N/A 48.0 μg/m3 (44) N/A 48.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 65.0 ppb (50) N/A 41.0 μg/m3 (37) N/A 50.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 65.0 ppb (50) N/A 34.0 μg/m3 (31) N/A 50.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 63.0 ppb (48) N/A 42.0 μg/m3 (38) N/A 48.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 63.0 ppb (48) N/A 58.0 μg/m3 (52) N/A 52.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 61.0 ppb (47) N/A 74.0 μg/m3 (60) N/A 60.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (44) N/A N/A N/A 44.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 54.0 ppb (42) N/A 64.0 μg/m3 (54) N/A 54.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 46.0 ppb (35) N/A 42.0 μg/m3 (38) N/A 38.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 50.0 μg/m3 (45) N/A 45.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 41.0 ppb (32) N/A 64.0 μg/m3 (54) N/A 54.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 35.0 ppb (27) N/A 80.0 μg/m3 (62) N/A 62.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 19.0 ppb (15) N/A 55.0 μg/m3 (50) N/A 50.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 11.0 ppb (8) N/A 80.0 μg/m3 (62) N/A 62.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 4.0 ppb (3) N/A 37.0 μg/m3 (34) N/A 34.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 17.0 ppb (13) N/A 32.0 μg/m3 (29) N/A 29.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 27.0 ppb (21) N/A 35.0 μg/m3 (32) N/A 32.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) N/A 42.0 μg/m3 (38) N/A 38.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 31.0 ppb (24) N/A 59.0 μg/m3 (52) N/A 52.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) N/A 64.0 μg/m3 (54) N/A 54.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 60.0 μg/m3 (52) N/A 52.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (28) N/A 54.0 μg/m3 (49) N/A 49.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 56.0 μg/m3 (50) N/A 50.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (26) N/A 63.0 μg/m3 (54) N/A 54.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 51.0 μg/m3 (46) N/A 46.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) N/A 90.0 μg/m3 (68) N/A 68.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 45.0 ppb (35) N/A 49.0 μg/m3 (45) N/A 45.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) N/A 44.0 μg/m3 (40) N/A 40.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) N/A 53.0 μg/m3 (48) N/A 48.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 42.0 ppb (32) N/A 64.0 μg/m3 (54) N/A 54.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 44.0 ppb (34) N/A 66.0 μg/m3 (56) N/A 56.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 37.0 ppb (28) N/A 60.0 μg/m3 (52) N/A 52.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 28.0 ppb (22) N/A 76.0 μg/m3 (60) N/A 60.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 15.0 ppb (12) N/A 95.0 μg/m3 (70) N/A 70.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 4.0 ppb (3) N/A 67.0 μg/m3 (56) N/A 56.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 21.0 ppb (16) N/A 58.0 μg/m3 (52) N/A 52.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 74.0 μg/m3 (60) N/A 60.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (23) N/A 66.0 μg/m3 (56) N/A 56.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) N/A 60.0 μg/m3 (52) N/A 52.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (23) N/A 63.0 μg/m3 (54) N/A 54.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 37.0 ppb (28) N/A 63.0 μg/m3 (54) N/A 54.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) N/A 66.0 μg/m3 (56) N/A 56.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (36) N/A 125.0 μg/m3 (85) N/A 85.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 29.0 ppb (22) N/A 137.0 μg/m3 (91) N/A 91.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 16.0 ppb (12) N/A 156.0 μg/m3 (100) N/A 100.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (5) N/A 111.0 μg/m3 (78) N/A 78.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 5.0 ppb (4) N/A 108.0 μg/m3 (76) N/A 76.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 5.0 ppb (4) N/A 69.0 μg/m3 (57) N/A 57.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) N/A 56.0 μg/m3 (50) N/A 50.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 51.0 μg/m3 (46) N/A 46.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) N/A 61.0 μg/m3 (53) N/A 53.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) N/A 72.0 μg/m3 (58) N/A 58.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 86.0 μg/m3 (66) N/A 66.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 69.0 μg/m3 (57) N/A 57.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 33.0 ppb (25) N/A 111.0 μg/m3 (78) N/A 78.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) N/A 73.0 μg/m3 (59) N/A 59.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) N/A 46.0 μg/m3 (42) N/A 42.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (36) N/A 37.0 μg/m3 (34) N/A 36.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (37) N/A 51.0 μg/m3 (46) N/A 46.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) N/A 47.0 μg/m3 (43) N/A 43.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 55.0 ppb (42) N/A 57.0 μg/m3 (51) N/A 51.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 57.0 ppb (44) N/A 63.0 μg/m3 (54) N/A 54.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 59.0 ppb (45) N/A 57.0 μg/m3 (51) N/A 51.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 58.0 ppb (45) N/A 66.0 μg/m3 (56) N/A 56.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 53.0 ppb (41) N/A 80.0 μg/m3 (62) N/A 62.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 44.0 ppb (34) N/A 110.0 μg/m3 (78) N/A 78.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 26.0 ppb (20) N/A N/A N/A 20.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 9.0 ppb (7) N/A 87.0 μg/m3 (66) N/A 66.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 65.0 μg/m3 (55) N/A 55.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) N/A 78.0 μg/m3 (62) N/A 62.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 13.0 ppb (10) N/A 46.0 μg/m3 (42) N/A 42.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) N/A 49.0 μg/m3 (45) N/A 45.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) N/A 50.0 μg/m3 (45) N/A 45.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 50.0 μg/m3 (45) N/A 45.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) N/A 57.0 μg/m3 (51) N/A 51.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 26.0 ppb (20) N/A 60.0 μg/m3 (52) N/A 52.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) N/A 69.0 μg/m3 (57) N/A 57.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 24.0 ppb (18) N/A 125.0 μg/m3 (85) N/A 85.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 9.0 ppb (7) N/A 91.0 μg/m3 (68) N/A 68.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 22.0 ppb (17) N/A 63.0 μg/m3 (54) N/A 54.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) N/A 57.0 μg/m3 (51) N/A 51.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 40.0 ppb (31) N/A 69.0 μg/m3 (57) N/A 57.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) N/A 46.0 μg/m3 (42) N/A 42.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) N/A 48.0 μg/m3 (44) N/A 44.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 46.0 ppb (35) N/A 44.0 μg/m3 (40) N/A 40.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) N/A 39.0 μg/m3 (35) N/A 35.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) N/A 54.0 μg/m3 (49) N/A 49.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 48.0 ppb (37) N/A 65.0 μg/m3 (55) N/A 55.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 47.0 ppb (36) N/A 81.0 μg/m3 (63) N/A 63.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 32.0 ppb (25) N/A 177.0 μg/m3 (111) N/A 111.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 14.0 ppb (11) N/A 97.0 μg/m3 (71) N/A 71.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 6.0 ppb (5) N/A 68.0 μg/m3 (56) N/A 56.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 51.0 μg/m3 (46) N/A 46.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) N/A 48.0 μg/m3 (44) N/A 44.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) N/A 54.0 μg/m3 (49) N/A 49.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) N/A 57.0 μg/m3 (51) N/A 51.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) N/A 65.0 μg/m3 (55) N/A 55.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) N/A 74.0 μg/m3 (60) N/A 60.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 34.0 ppb (26) N/A 97.0 μg/m3 (71) N/A 71.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 34.0 ppb (26) N/A 121.0 μg/m3 (83) N/A 83.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 18.0 ppb (14) N/A 117.0 μg/m3 (81) N/A 81.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 23.0 ppb (18) N/A 111.0 μg/m3 (78) N/A 78.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (23) N/A 96.0 μg/m3 (70) N/A 70.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) N/A 69.0 μg/m3 (57) N/A 57.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 49.0 ppb (38) N/A 75.0 μg/m3 (60) N/A 60.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 49.0 ppb (38) N/A 62.0 μg/m3 (54) N/A 54.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 55.0 μg/m3 (50) N/A 50.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) N/A 43.0 μg/m3 (39) N/A 39.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 43.0 ppb (33) N/A 48.0 μg/m3 (44) N/A 44.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 43.0 ppb (33) N/A 41.0 μg/m3 (37) N/A 37.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 39.0 ppb (30) N/A 51.0 μg/m3 (46) N/A 46.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 35.0 ppb (27) N/A 57.0 μg/m3 (51) N/A 51.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 24.0 ppb (18) N/A 88.0 μg/m3 (66) N/A 66.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 10.0 ppb (8) N/A 98.0 μg/m3 (72) N/A 72.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 5.0 ppb (4) N/A 51.0 μg/m3 (46) N/A 46.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 3.0 ppb (2) N/A 61.0 μg/m3 (53) N/A 53.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A 11.0 ppb (16) 4.0 ppb (3) N/A 25.0 μg/m3 (23) N/A 23.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) N/A 23.0 μg/m3 (21) N/A 21.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) N/A 23.0 μg/m3 (21) N/A 21.0