AQSQID: 80011G010

Site Name: Estaci¢N Facultad De Medicina

Location: León, MX

Reporting: True, Located: True

Current AQI: 63.0

León MX, MX: 21.133894, -101.68025

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (22) N/A 29.0 μg/m3 (26) 18.0 μg/m3 (63) 63.0
 
Jan. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (21) N/A 27.0 μg/m3 (25) 15.3 μg/m3 (57) 57.0
 
Jan. 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 91.0 μg/m3 (68) 18.2 μg/m3 (63) 68.0
 
Jan. 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 5.0 ppb (4) N/A 79.0 μg/m3 (62) 46.4 μg/m3 (127) 127.0
 
Jan. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) N/A 45.0 μg/m3 (41) 27.3 μg/m3 (83) 83.0
 
Jan. 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 58.0 μg/m3 (52) 14.7 μg/m3 (56) 56.0
 
Jan. 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 13.0 ppb (10) N/A 84.0 μg/m3 (64) 22.7 μg/m3 (73) 73.0
 
Jan. 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) N/A 109.0 μg/m3 (77) 31.4 μg/m3 (91) 91.0
 
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 3.0 ppb (2) N/A N/A 47.8 μg/m3 (131) 131.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 3.0 ppb (2) N/A 91.0 μg/m3 (68) 46.4 μg/m3 (127) 127.0
 
Jan. 22, 2019, 1 a.m. 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) 28.3 μg/m3 (85) 85.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 34.0 μg/m3 (31) 14.6 μg/m3 (56) 56.0
 
Jan. 21, 2019, 11 p.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) 14.5 μg/m3 (55) 55.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) N/A 57.0 μg/m3 (51) 15.8 μg/m3 (58) 58.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) N/A 40.0 μg/m3 (36) 11.4 μg/m3 (48) 48.0
 
Jan. 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 71.0 μg/m3 (58) N/A 58.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 36.0 ppb (28) N/A 85.0 μg/m3 (65) 28.9 μg/m3 (86) 86.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) N/A 95.0 μg/m3 (70) 23.8 μg/m3 (75) 75.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 18.0 ppb (14) N/A 100.0 μg/m3 (72) 38.1 μg/m3 (106) 106.0
 
Jan. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 12.0 ppb (9) N/A 79.0 μg/m3 (62) 23.9 μg/m3 (75) 75.0
 
Jan. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 7.0 ppb (5) N/A 73.0 μg/m3 (59) N/A 59.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) N/A 44.0 μg/m3 (40) 15.7 μg/m3 (58) 58.0
 
Jan. 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 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (9) N/A 38.0 μg/m3 (35) 13.3 μg/m3 (53) 53.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 9.0 μg/m3 (8) 8.4 μg/m3 (35) 35.0
 
Jan. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 18.0 ppb (14) N/A 31.0 μg/m3 (28) 7.4 μg/m3 (31) 31.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) N/A 34.0 μg/m3 (31) 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (11) N/A 24.0 μg/m3 (22) 14.6 μg/m3 (56) 56.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 24.0 μg/m3 (22) N/A 22.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 29.0 μg/m3 (26) 12.6 μg/m3 (51) 51.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) N/A 50.0 μg/m3 (45) 13.6 μg/m3 (53) 53.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 75.0 μg/m3 (60) 13.4 μg/m3 (53) 60.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 72.0 μg/m3 (58) 25.7 μg/m3 (79) 79.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) N/A 23.0 μg/m3 (21) 20.6 μg/m3 (68) 68.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 19.0 μg/m3 (17) 21.0 μg/m3 (69) 69.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 31.0 ppb (24) N/A 40.0 μg/m3 (36) 9.6 μg/m3 (40) 40.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) N/A 52.0 μg/m3 (47) 15.5 μg/m3 (57) 57.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) N/A 47.0 μg/m3 (43) 16.7 μg/m3 (60) 60.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) N/A 45.0 μg/m3 (41) 7.4 μg/m3 (31) 41.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (29) N/A 67.0 μg/m3 (56) 12.5 μg/m3 (51) 56.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 37.0 ppb (28) N/A 43.0 μg/m3 (39) 11.7 μg/m3 (49) 49.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 45.0 μg/m3 (41) 12.6 μg/m3 (51) 51.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 43.0 μg/m3 (39) 16.5 μg/m3 (60) 60.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) N/A 45.0 μg/m3 (41) 13.4 μg/m3 (53) 53.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (11) N/A 52.0 μg/m3 (47) 6.5 μg/m3 (27) 47.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 7.0 ppb (5) N/A 38.0 μg/m3 (35) 10.6 μg/m3 (44) 44.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 32.0 μg/m3 (29) 14.9 μg/m3 (56) 56.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 39.0 μg/m3 (35) 12.3 μg/m3 (51) 51.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) N/A 50.0 μg/m3 (45) 17.8 μg/m3 (62) 62.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (6) N/A 49.0 μg/m3 (45) 15.9 μg/m3 (58) 58.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 11.0 ppb (8) N/A 37.0 μg/m3 (34) 13.9 μg/m3 (54) 54.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) N/A 38.0 μg/m3 (35) 12.8 μg/m3 (52) 52.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) N/A 56.0 μg/m3 (50) 13.6 μg/m3 (53) 53.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 20.0 ppb (15) N/A 83.0 μg/m3 (64) 10.0 μg/m3 (42) 64.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 53.0 μg/m3 (48) 9.1 μg/m3 (38) 48.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (15) N/A 38.0 μg/m3 (35) 8.3 μg/m3 (35) 35.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (11) N/A 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (15) N/A 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 26.0 μg/m3 (24) 13.9 μg/m3 (54) 54.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) N/A 28.0 μg/m3 (25) 14.1 μg/m3 (54) 54.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (26) N/A 27.0 μg/m3 (25) 12.1 μg/m3 (50) 50.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) N/A 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (33) N/A 44.0 μg/m3 (40) 13.8 μg/m3 (54) 54.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (32) N/A 33.0 μg/m3 (30) N/A 32.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (25) N/A 55.0 μg/m3 (50) 5.6 μg/m3 (23) 50.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) N/A 131.0 μg/m3 (88) 18.8 μg/m3 (64) 88.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 15.0 ppb (12) N/A 135.0 μg/m3 (90) 56.1 μg/m3 (150) 150.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (7) N/A 62.0 μg/m3 (54) 29.4 μg/m3 (87) 87.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) N/A 66.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (5) N/A 41.0 μg/m3 (37) 26.0 μg/m3 (80) 80.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (11) N/A 40.0 μg/m3 (36) 25.7 μg/m3 (79) 79.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) N/A 36.0 μg/m3 (33) 11.4 μg/m3 (48) 48.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) N/A 23.0 μg/m3 (21) 15.4 μg/m3 (57) 57.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) N/A 22.0 μg/m3 (20) 15.8 μg/m3 (58) 58.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 13.0 ppb (10) N/A 27.0 μg/m3 (25) 13.4 μg/m3 (53) 53.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 11.0 ppb (8) N/A 33.0 μg/m3 (30) 14.6 μg/m3 (56) 56.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 42.0 μg/m3 (38) 20.7 μg/m3 (69) 69.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 6.0 ppb (5) N/A 99.0 μg/m3 (72) 27.9 μg/m3 (84) 84.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 3.0 ppb (2) N/A 56.0 μg/m3 (50) 28.6 μg/m3 (85) 85.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (5) N/A 61.0 μg/m3 (53) 23.5 μg/m3 (74) 74.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 7.0 ppb (5) N/A 50.0 μg/m3 (45) 19.3 μg/m3 (66) 66.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (11) N/A 52.0 μg/m3 (47) 20.6 μg/m3 (68) 68.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 18.0 ppb (14) N/A 43.0 μg/m3 (39) 21.1 μg/m3 (69) 69.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (12) N/A 54.0 μg/m3 (49) 17.9 μg/m3 (63) 63.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) N/A 35.0 μg/m3 (32) 15.4 μg/m3 (57) 57.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 25.0 ppb (19) N/A 34.0 μg/m3 (31) 9.1 μg/m3 (38) 38.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) N/A 70.0 μg/m3 (58) 28.8 μg/m3 (86) 86.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 41.0 ppb (32) N/A 79.0 μg/m3 (62) 11.1 μg/m3 (46) 62.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) N/A 72.0 μg/m3 (58) 28.7 μg/m3 (86) 86.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 27.0 ppb (21) N/A 79.0 μg/m3 (62) 23.6 μg/m3 (75) 75.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 18.0 ppb (14) N/A 75.0 μg/m3 (60) 28.2 μg/m3 (84) 84.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 12.0 ppb (9) N/A 51.0 μg/m3 (46) 14.2 μg/m3 (55) 55.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) N/A 42.0 μg/m3 (38) 16.7 μg/m3 (60) 60.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 5.0 ppb (4) N/A 41.0 μg/m3 (37) 24.2 μg/m3 (76) 76.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) N/A 46.0 μg/m3 (42) 25.9 μg/m3 (80) 80.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) N/A 38.0 μg/m3 (35) 24.8 μg/m3 (77) 77.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) N/A 36.0 μg/m3 (33) 17.7 μg/m3 (62) 62.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (9) N/A 26.0 μg/m3 (24) 24.3 μg/m3 (76) 76.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 20.0 ppb (15) N/A 25.0 μg/m3 (23) 19.6 μg/m3 (66) 66.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) N/A 38.0 μg/m3 (35) 19.6 μg/m3 (66) 66.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 30.0 μg/m3 (27) 18.9 μg/m3 (65) 65.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) N/A 26.0 μg/m3 (24) 14.5 μg/m3 (55) 55.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 44.0 μg/m3 (40) 19.4 μg/m3 (66) 66.0
 
Jan. 18, 2019, 4 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) 22.1 μg/m3 (71) 71.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 50.0 μg/m3 (45) 29.6 μg/m3 (87) 87.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 57.0 μg/m3 (51) 25.0 μg/m3 (78) 78.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 66.0 μg/m3 (56) 26.7 μg/m3 (81) 81.0
 
Jan. 18, 2019, midnight 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) 33.6 μg/m3 (96) 96.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (26) N/A 61.0 μg/m3 (53) 20.3 μg/m3 (68) 68.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (38) N/A 71.0 μg/m3 (58) 26.6 μg/m3 (81) 81.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (36) N/A 58.0 μg/m3 (52) 20.4 μg/m3 (68) 68.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) N/A 55.0 μg/m3 (50) 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) N/A 56.0 μg/m3 (50) 11.7 μg/m3 (49) 50.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 77.0 μg/m3 (61) 28.5 μg/m3 (85) 85.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 17.0 ppb (13) N/A 101.0 μg/m3 (73) 25.5 μg/m3 (79) 79.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 83.0 μg/m3 (64) 26.3 μg/m3 (80) 80.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 5.0 ppb (4) N/A 65.0 μg/m3 (55) 18.7 μg/m3 (64) 64.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 6.0 ppb (5) N/A 47.0 μg/m3 (43) 21.6 μg/m3 (70) 70.0
 
Jan. 17, 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) 19.3 μg/m3 (66) 66.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 11.0 ppb (8) N/A 28.0 μg/m3 (25) 19.2 μg/m3 (65) 65.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 53.0 μg/m3 (48) 21.5 μg/m3 (70) 70.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 7.0 ppb (5) N/A 58.0 μg/m3 (52) 33.5 μg/m3 (96) 96.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 87.0 μg/m3 (66) 35.2 μg/m3 (99) 99.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) N/A 96.0 μg/m3 (70) 39.0 μg/m3 (109) 109.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) N/A 44.0 μg/m3 (40) 41.5 μg/m3 (115) 115.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) N/A 47.0 μg/m3 (43) 26.6 μg/m3 (81) 81.0
 
Jan. 17, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) N/A 44.0 μg/m3 (40) 136.2 μg/m3 (192) 192.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 41.0 μg/m3 (37) 23.6 μg/m3 (75) 75.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 66.0 μg/m3 (56) 16.3 μg/m3 (59) 59.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (26) N/A 61.0 μg/m3 (53) 13.1 μg/m3 (52) 53.0
 
Jan. 16, 2019, 8 p.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) 13.4 μg/m3 (53) 53.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) N/A 53.0 μg/m3 (48) 18.2 μg/m3 (63) 63.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) N/A 99.0 μg/m3 (72) 23.4 μg/m3 (74) 74.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (9) N/A 84.0 μg/m3 (64) 33.5 μg/m3 (96) 96.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 76.0 μg/m3 (60) 23.8 μg/m3 (75) 75.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 5.0 ppb (4) N/A 67.0 μg/m3 (56) 25.9 μg/m3 (80) 80.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) N/A 46.0 μg/m3 (42) 19.5 μg/m3 (66) 66.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 7.0 ppb (5) N/A 34.0 μg/m3 (31) 18.9 μg/m3 (65) 65.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) N/A 27.0 μg/m3 (25) 15.5 μg/m3 (57) 57.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 26.0 μg/m3 (24) 21.2 μg/m3 (70) 70.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 23.0 μg/m3 (21) 18.1 μg/m3 (63) 63.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 24.0 μg/m3 (22) 13.4 μg/m3 (53) 53.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 37.0 μg/m3 (34) 19.8 μg/m3 (67) 67.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) N/A 40.0 μg/m3 (36) 29.8 μg/m3 (88) 88.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 45.0 μg/m3 (41) 20.0 μg/m3 (67) 67.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) N/A 48.0 μg/m3 (44) 14.1 μg/m3 (54) 54.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) N/A 61.0 μg/m3 (53) 15.3 μg/m3 (57) 57.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (5) N/A 110.0 μg/m3 (78) 29.3 μg/m3 (87) 87.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 7.0 ppb (5) N/A 60.0 μg/m3 (52) 36.0 μg/m3 (101) 101.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 59.0 μg/m3 (52) 24.2 μg/m3 (76) 76.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) N/A 57.0 μg/m3 (51) 17.1 μg/m3 (61) 61.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 57.0 μg/m3 (51) 12.7 μg/m3 (51) 51.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) N/A 59.0 μg/m3 (52) 22.2 μg/m3 (72) 72.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) N/A 70.0 μg/m3 (58) 28.4 μg/m3 (85) 85.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) N/A 71.0 μg/m3 (58) 13.3 μg/m3 (53) 58.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) N/A 82.0 μg/m3 (64) 20.8 μg/m3 (69) 69.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 13.0 ppb (10) N/A 68.0 μg/m3 (56) 22.7 μg/m3 (73) 73.0
 
Jan. 15, 2019, 5 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) 13.6 μg/m3 (53) 57.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 5.0 ppb (4) N/A 68.0 μg/m3 (56) 23.6 μg/m3 (75) 75.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 3.0 ppb (2) N/A 44.0 μg/m3 (40) 15.1 μg/m3 (57) 57.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 3.0 ppb (2) N/A 33.0 μg/m3 (30) 14.8 μg/m3 (56) 56.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) N/A 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (6) N/A 24.0 μg/m3 (22) 13.3 μg/m3 (53) 53.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (9) N/A 23.0 μg/m3 (21) 12.8 μg/m3 (52) 52.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 24.0 μg/m3 (22) 11.4 μg/m3 (48) 48.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (10) N/A 20.0 μg/m3 (18) 20.1 μg/m3 (67) 67.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) N/A 13.0 μg/m3 (12) 11.4 μg/m3 (48) 48.0