AQSQID: 80011G010

Site Name: Estaci¢N Facultad De Medicina

Location: León, MX

Reporting: True, Located: True

Current AQI: 70.0

León MX, MX: 21.133894, -101.68025

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 25, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (21) N/A 82.0 μg/m3 (64) 21.2 μg/m3 (70) 70.0
 
March 25, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 86.0 μg/m3 (66) 25.5 μg/m3 (79) 79.0
 
March 25, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) N/A 36.0 μg/m3 (33) 16.4 μg/m3 (59) 59.0
 
March 25, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 64.0 μg/m3 (54) 18.5 μg/m3 (64) 64.0
 
March 25, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) N/A 124.0 μg/m3 (84) 23.3 μg/m3 (74) 84.0
 
March 25, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 5.0 ppb (4) N/A 118.0 μg/m3 (82) 25.8 μg/m3 (79) 82.0
 
March 25, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (6) N/A 111.0 μg/m3 (78) 29.2 μg/m3 (87) 87.0
 
March 25, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 11.0 ppb (8) N/A 65.0 μg/m3 (55) 29.0 μg/m3 (86) 86.0
 
March 25, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) N/A 41.0 μg/m3 (37) 27.0 μg/m3 (82) 82.0
 
March 25, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (38) N/A 37.0 μg/m3 (34) 21.7 μg/m3 (71) 71.0
 
March 25, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 54.0 ppb (42) N/A 38.0 μg/m3 (35) 22.2 μg/m3 (72) 72.0
 
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (44) N/A 45.0 μg/m3 (41) 11.1 μg/m3 (46) 46.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 55.0 ppb (42) N/A 41.0 μg/m3 (37) 16.5 μg/m3 (60) 60.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 55.0 ppb (42) N/A 31.0 μg/m3 (28) 12.8 μg/m3 (52) 52.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 52.0 ppb (40) N/A 36.0 μg/m3 (33) 11.7 μg/m3 (49) 49.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (38) N/A 53.0 μg/m3 (48) 17.4 μg/m3 (61) 61.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) N/A 66.0 μg/m3 (56) 17.0 μg/m3 (61) 61.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 38.0 ppb (29) N/A 119.0 μg/m3 (82) 30.2 μg/m3 (89) 89.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) N/A 112.0 μg/m3 (78) 46.4 μg/m3 (127) 127.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 17.0 ppb (13) N/A 46.0 μg/m3 (42) N/A 42.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (18) N/A 43.0 μg/m3 (39) 8.7 μg/m3 (36) 39.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 26.0 ppb (20) N/A 34.0 μg/m3 (31) 18.0 μg/m3 (63) 63.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (22) N/A 36.0 μg/m3 (33) 16.2 μg/m3 (59) 59.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 38.0 μg/m3 (35) 13.8 μg/m3 (54) 54.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (31) N/A 41.0 μg/m3 (37) 13.9 μg/m3 (54) 54.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) N/A 46.0 μg/m3 (42) 13.3 μg/m3 (53) 53.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) N/A 49.0 μg/m3 (45) 18.4 μg/m3 (64) 64.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (25) N/A 52.0 μg/m3 (47) 16.9 μg/m3 (60) 60.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (23) N/A 69.0 μg/m3 (57) 15.0 μg/m3 (56) 57.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) N/A 70.0 μg/m3 (58) 21.1 μg/m3 (69) 69.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) N/A 82.0 μg/m3 (64) 27.0 μg/m3 (82) 82.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 64.0 μg/m3 (54) 25.0 μg/m3 (78) 78.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) N/A 47.0 μg/m3 (43) 29.0 μg/m3 (86) 86.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (36) N/A 36.0 μg/m3 (33) 21.9 μg/m3 (71) 71.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (38) N/A 50.0 μg/m3 (45) 26.1 μg/m3 (80) 80.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (37) N/A 46.0 μg/m3 (42) 17.8 μg/m3 (62) 62.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (36) N/A 45.0 μg/m3 (41) 20.7 μg/m3 (69) 69.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 49.0 ppb (38) N/A 39.0 μg/m3 (35) 18.5 μg/m3 (64) 64.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 46.0 ppb (35) N/A 40.0 μg/m3 (36) 18.0 μg/m3 (63) 63.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) N/A 33.0 μg/m3 (30) N/A 30.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (25) N/A 35.0 μg/m3 (32) 13.4 μg/m3 (53) 53.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (22) N/A 45.0 μg/m3 (41) 12.8 μg/m3 (52) 52.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 25.0 ppb (19) N/A 68.0 μg/m3 (56) 12.6 μg/m3 (51) 56.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) N/A 51.0 μg/m3 (46) N/A 46.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 34.0 μg/m3 (31) 9.5 μg/m3 (40) 40.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 30.0 μg/m3 (27) 9.6 μg/m3 (40) 40.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 18.0 ppb (14) N/A 30.0 μg/m3 (27) 12.5 μg/m3 (51) 51.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) N/A 43.0 μg/m3 (39) 8.6 μg/m3 (36) 39.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 19.0 ppb (15) N/A 34.0 μg/m3 (31) 14.1 μg/m3 (54) 54.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 43.0 μg/m3 (39) 16.2 μg/m3 (59) 59.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 48.0 μg/m3 (44) 19.0 μg/m3 (65) 65.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 58.0 μg/m3 (52) 18.5 μg/m3 (64) 64.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 18.0 ppb (14) N/A 69.0 μg/m3 (57) 12.1 μg/m3 (50) 57.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 59.0 μg/m3 (52) 12.8 μg/m3 (52) 52.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) N/A 66.0 μg/m3 (56) 12.4 μg/m3 (51) 56.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 13.0 ppb (10) N/A 67.0 μg/m3 (56) 20.7 μg/m3 (69) 69.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) N/A 65.0 μg/m3 (55) 19.6 μg/m3 (66) 66.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (24) N/A 45.0 μg/m3 (41) 25.7 μg/m3 (79) 79.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (33) N/A 54.0 μg/m3 (49) 13.2 μg/m3 (53) 53.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 44.0 ppb (34) N/A 55.0 μg/m3 (50) 16.0 μg/m3 (59) 59.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (33) N/A 49.0 μg/m3 (45) 9.9 μg/m3 (41) 45.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) N/A 51.0 μg/m3 (46) 16.4 μg/m3 (59) 59.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 40.0 ppb (31) N/A 46.0 μg/m3 (42) 24.5 μg/m3 (77) 77.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) N/A 55.0 μg/m3 (50) 19.2 μg/m3 (65) 65.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) N/A 56.0 μg/m3 (50) 12.3 μg/m3 (51) 51.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (24) N/A 80.0 μg/m3 (62) 24.7 μg/m3 (77) 77.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 91.0 μg/m3 (68) 22.6 μg/m3 (73) 73.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 11.0 ppb (8) N/A 52.0 μg/m3 (47) 8.9 μg/m3 (37) 47.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (6) N/A 37.0 μg/m3 (34) 9.1 μg/m3 (38) 38.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 44.0 μg/m3 (40) 18.3 μg/m3 (63) 63.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 37.0 μg/m3 (34) 12.4 μg/m3 (51) 51.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (12) N/A 29.0 μg/m3 (26) 10.8 μg/m3 (45) 45.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 32.0 μg/m3 (29) 10.5 μg/m3 (44) 44.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) N/A 43.0 μg/m3 (39) 9.4 μg/m3 (39) 39.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 17.0 ppb (13) N/A 62.0 μg/m3 (54) 13.3 μg/m3 (53) 54.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (12) N/A 60.0 μg/m3 (52) 7.5 μg/m3 (31) 52.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) N/A 64.0 μg/m3 (54) 14.3 μg/m3 (55) 55.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (11) N/A 101.0 μg/m3 (73) 21.2 μg/m3 (70) 73.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 105.0 μg/m3 (75) 31.2 μg/m3 (91) 91.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 6.0 ppb (5) N/A 54.0 μg/m3 (49) 20.7 μg/m3 (69) 69.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 34.0 μg/m3 (31) 22.8 μg/m3 (73) 73.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (28) N/A 38.0 μg/m3 (35) 15.7 μg/m3 (58) 58.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 41.0 ppb (32) N/A 50.0 μg/m3 (45) 19.2 μg/m3 (65) 65.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (32) N/A 49.0 μg/m3 (45) 14.1 μg/m3 (54) 54.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 41.0 ppb (32) N/A 46.0 μg/m3 (42) 12.2 μg/m3 (50) 50.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (29) N/A 46.0 μg/m3 (42) 15.4 μg/m3 (57) 57.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 40.0 ppb (31) N/A 64.0 μg/m3 (54) 19.6 μg/m3 (66) 66.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 44.0 ppb (34) N/A 59.0 μg/m3 (52) 18.6 μg/m3 (64) 64.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 40.0 ppb (31) N/A 86.0 μg/m3 (66) 21.8 μg/m3 (71) 71.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (25) N/A 92.0 μg/m3 (68) 20.9 μg/m3 (69) 69.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) N/A 92.0 μg/m3 (68) 21.7 μg/m3 (71) 71.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (9) N/A 81.0 μg/m3 (63) 13.6 μg/m3 (53) 63.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (6) N/A 36.0 μg/m3 (33) 5.7 μg/m3 (24) 33.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) N/A 29.0 μg/m3 (26) 12.8 μg/m3 (52) 52.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) N/A 22.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) N/A 32.0 μg/m3 (29) 9.5 μg/m3 (40) 40.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (18) N/A 19.0 μg/m3 (17) 9.1 μg/m3 (38) 38.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (18) N/A 33.0 μg/m3 (30) 11.9 μg/m3 (50) 50.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) N/A 42.0 μg/m3 (38) 12.2 μg/m3 (50) 50.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 74.0 μg/m3 (60) 12.2 μg/m3 (50) 60.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (6) N/A 76.0 μg/m3 (60) 19.6 μg/m3 (66) 66.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 100.0 μg/m3 (72) 11.6 μg/m3 (48) 72.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) N/A 75.0 μg/m3 (60) 18.4 μg/m3 (64) 64.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (8) N/A 70.0 μg/m3 (58) 20.2 μg/m3 (67) 67.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 50.0 μg/m3 (45) 17.8 μg/m3 (62) 62.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (26) N/A 34.0 μg/m3 (31) 10.1 μg/m3 (42) 42.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 40.0 ppb (31) N/A 44.0 μg/m3 (40) 22.4 μg/m3 (72) 72.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) N/A 53.0 μg/m3 (48) 19.5 μg/m3 (66) 66.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 45.0 ppb (35) N/A 54.0 μg/m3 (49) 21.7 μg/m3 (71) 71.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) N/A 45.0 μg/m3 (41) 13.4 μg/m3 (53) 53.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) N/A 41.0 μg/m3 (37) 14.9 μg/m3 (56) 56.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 44.0 ppb (34) N/A 60.0 μg/m3 (52) 23.0 μg/m3 (73) 73.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) N/A 63.0 μg/m3 (54) 17.6 μg/m3 (62) 62.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 34.0 ppb (26) N/A 94.0 μg/m3 (70) 24.3 μg/m3 (76) 76.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 20.0 ppb (15) N/A 99.0 μg/m3 (72) 26.9 μg/m3 (82) 82.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (8) N/A 85.0 μg/m3 (65) 16.9 μg/m3 (60) 65.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 6.0 ppb (5) N/A 48.0 μg/m3 (44) 17.0 μg/m3 (61) 61.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (12) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 36.0 μg/m3 (33) 14.6 μg/m3 (56) 56.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 34.0 μg/m3 (31) 13.5 μg/m3 (53) 53.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 52.0 μg/m3 (47) 11.1 μg/m3 (46) 47.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) N/A 32.0 μg/m3 (29) 15.6 μg/m3 (58) 58.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 66.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 22.0 ppb (17) N/A 56.0 μg/m3 (50) 15.7 μg/m3 (58) 58.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 95.0 μg/m3 (70) 16.7 μg/m3 (60) 70.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) N/A 106.0 μg/m3 (76) 30.4 μg/m3 (89) 89.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 19.0 ppb (15) N/A 92.0 μg/m3 (68) 30.5 μg/m3 (89) 89.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 62.0 μg/m3 (54) 21.5 μg/m3 (70) 70.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) N/A 52.0 μg/m3 (47) 31.5 μg/m3 (91) 91.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (28) N/A 49.0 μg/m3 (45) 24.3 μg/m3 (76) 76.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 45.0 ppb (35) N/A 56.0 μg/m3 (50) 21.0 μg/m3 (69) 69.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (32) N/A 67.0 μg/m3 (56) 13.8 μg/m3 (54) 56.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 41.0 ppb (32) N/A 58.0 μg/m3 (52) 14.7 μg/m3 (56) 56.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) N/A 49.0 μg/m3 (45) 18.9 μg/m3 (65) 65.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 38.0 ppb (29) N/A 50.0 μg/m3 (45) 14.9 μg/m3 (56) 56.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 38.0 ppb (29) N/A 62.0 μg/m3 (54) 20.2 μg/m3 (67) 67.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) N/A 76.0 μg/m3 (60) 23.9 μg/m3 (75) 75.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) N/A 116.0 μg/m3 (80) 25.3 μg/m3 (78) 80.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) N/A 90.0 μg/m3 (68) 19.3 μg/m3 (66) 68.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 68.0 μg/m3 (56) 21.9 μg/m3 (71) 71.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) N/A 70.0 μg/m3 (58) 18.3 μg/m3 (63) 63.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) N/A 42.0 μg/m3 (38) 23.7 μg/m3 (75) 75.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (12) N/A 38.0 μg/m3 (35) 16.4 μg/m3 (59) 59.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) N/A 44.0 μg/m3 (40) 15.5 μg/m3 (57) 57.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 41.0 μg/m3 (37) 13.2 μg/m3 (53) 53.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 39.0 μg/m3 (35) 10.7 μg/m3 (45) 45.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 39.0 μg/m3 (35) 13.1 μg/m3 (52) 52.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 42.0 μg/m3 (38) 18.4 μg/m3 (64) 64.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 47.0 μg/m3 (43) 6.3 μg/m3 (26) 43.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 72.0 μg/m3 (58) 16.4 μg/m3 (59) 59.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (8) N/A 71.0 μg/m3 (58) 16.8 μg/m3 (60) 60.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (10) N/A 49.0 μg/m3 (45) 16.2 μg/m3 (59) 59.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 54.0 μg/m3 (49) 28.4 μg/m3 (85) 85.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (23) N/A 81.0 μg/m3 (63) 27.7 μg/m3 (83) 83.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 88.0 μg/m3 (66) 30.3 μg/m3 (89) 89.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 104.0 μg/m3 (74) 19.6 μg/m3 (66) 74.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (28) N/A 88.0 μg/m3 (66) 20.7 μg/m3 (69) 69.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (29) N/A 60.0 μg/m3 (52) 23.5 μg/m3 (74) 74.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (29) N/A 96.0 μg/m3 (70) 28.6 μg/m3 (85) 85.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 64.0 μg/m3 (54) 35.3 μg/m3 (100) 100.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 37.0 ppb (28) N/A 65.0 μg/m3 (55) 23.1 μg/m3 (74) 74.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) N/A 63.0 μg/m3 (54) 30.3 μg/m3 (89) 89.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 21.0 ppb (16) N/A 57.0 μg/m3 (51) 14.5 μg/m3 (55) 55.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 15.0 ppb (12) N/A 56.0 μg/m3 (50) 20.2 μg/m3 (67) 67.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (8) N/A 53.0 μg/m3 (48) 17.2 μg/m3 (61) 61.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 51.0 μg/m3 (46) 20.4 μg/m3 (68) 68.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (15) N/A 42.0 μg/m3 (38) 24.6 μg/m3 (77) 77.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) N/A 57.0 μg/m3 (51) 21.4 μg/m3 (70) 70.0