AQSQID: 80011G009

Site Name: Estaci¢N Hospital General

Location: Silao (Miguel Hidalgo), MX

Reporting: False, Located: True

Current AQI: None

Silao (Miguel Hidalgo) MX, MX: 20.9479, -101.4258

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 27, 2020, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 28.0 ppb (22) N/A 61.0 μg/m3 (53) N/A 53.0
 
March 26, 2020, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (45) N/A 60.0 μg/m3 (52) N/A 52.0
 
March 26, 2020, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 66.0 ppb (51) N/A 36.0 μg/m3 (33) N/A 51.0
 
March 26, 2020, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 71.0 ppb (55) N/A 34.0 μg/m3 (31) N/A 55.0
 
March 26, 2020, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 69.0 ppb (53) N/A 42.0 μg/m3 (38) N/A 53.0
 
March 26, 2020, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 67.0 ppb (52) N/A 49.0 μg/m3 (45) N/A 52.0
 
March 26, 2020, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 65.0 ppb (50) N/A 55.0 μg/m3 (50) N/A 50.0
 
March 26, 2020, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (39) N/A 63.0 μg/m3 (54) N/A 54.0
 
March 26, 2020, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 35.0 ppb (27) N/A 86.0 μg/m3 (66) N/A 66.0
 
March 26, 2020, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (9) N/A 103.0 μg/m3 (74) N/A 74.0
 
March 26, 2020, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 2.0 ppb (2) N/A 118.0 μg/m3 (82) N/A 82.0
 
March 26, 2020, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 1.0 ppb (1) N/A 36.0 μg/m3 (33) N/A 33.0
 
March 26, 2020, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 21.0 μg/m3 (19) N/A 19.0
 
March 26, 2020, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) N/A 24.0 μg/m3 (22) N/A 22.0
 
March 26, 2020, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 39.0 μg/m3 (35) N/A 35.0
 
March 26, 2020, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) N/A 47.0 μg/m3 (43) N/A 43.0
 
March 26, 2020, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 35.0 μg/m3 (32) N/A 32.0
 
March 26, 2020, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (28) N/A 29.0 μg/m3 (26) N/A 28.0
 
March 26, 2020, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 43.0 ppb (33) N/A 30.0 μg/m3 (27) N/A 33.0
 
March 26, 2020, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (28) N/A 36.0 μg/m3 (33) N/A 33.0
 
March 26, 2020, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 41.0 ppb (32) N/A 79.0 μg/m3 (62) N/A 62.0
 
March 26, 2020, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) N/A 80.0 μg/m3 (62) N/A 62.0
 
March 26, 2020, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (43) N/A 48.0 μg/m3 (44) N/A 44.0
 
March 26, 2020, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 79.0 ppb (62) N/A 44.0 μg/m3 (40) N/A 62.0
 
March 26, 2020, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 83.0 ppb (65) N/A 39.0 μg/m3 (35) N/A 65.0
 
March 25, 2020, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 74.0 ppb (57) N/A 45.0 μg/m3 (41) N/A 57.0
 
March 25, 2020, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 70.0 ppb (54) N/A 58.0 μg/m3 (52) N/A 54.0
 
March 25, 2020, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 70.0 ppb (54) N/A 45.0 μg/m3 (41) N/A 54.0
 
March 25, 2020, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 69.0 ppb (53) N/A 39.0 μg/m3 (35) N/A 53.0
 
March 25, 2020, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 71.0 ppb (55) N/A 49.0 μg/m3 (45) N/A 55.0
 
March 25, 2020, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 64.0 ppb (49) N/A 54.0 μg/m3 (49) N/A 49.0
 
March 25, 2020, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (39) N/A 52.0 μg/m3 (47) N/A 47.0
 
March 25, 2020, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) N/A 65.0 μg/m3 (55) N/A 55.0
 
March 25, 2020, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 137.0 μg/m3 (91) N/A 91.0
 
March 25, 2020, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 1.0 ppb (1) N/A 74.0 μg/m3 (60) N/A 60.0
 
March 25, 2020, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 2.0 ppb (2) N/A 43.0 μg/m3 (39) N/A 39.0
 
March 25, 2020, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 37.0 μg/m3 (34) N/A 34.0
 
March 25, 2020, 11 a.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) N/A 34.0
 
March 25, 2020, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) N/A 35.0 μg/m3 (32) N/A 32.0
 
March 25, 2020, 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) N/A 23.0
 
March 25, 2020, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (26) N/A 21.0 μg/m3 (19) N/A 26.0
 
March 25, 2020, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) N/A 18.0 μg/m3 (16) N/A 33.0
 
March 25, 2020, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 42.0 ppb (32) N/A 28.0 μg/m3 (25) N/A 32.0
 
March 25, 2020, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (26) N/A 42.0 μg/m3 (38) N/A 38.0
 
March 25, 2020, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) N/A 75.0 μg/m3 (60) N/A 60.0
 
March 25, 2020, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) N/A 101.0 μg/m3 (73) N/A 73.0
 
March 25, 2020, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (35) N/A 57.0 μg/m3 (51) N/A 51.0
 
March 25, 2020, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 80.0 ppb (62) N/A 47.0 μg/m3 (43) N/A 62.0
 
March 25, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 81.0 ppb (63) N/A 67.0 μg/m3 (56) N/A 63.0
 
March 24, 2020, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 78.0 ppb (61) N/A 51.0 μg/m3 (46) N/A 61.0
 
March 24, 2020, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 77.0 ppb (60) N/A 41.0 μg/m3 (37) N/A 60.0
 
March 24, 2020, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 69.0 ppb (53) N/A 38.0 μg/m3 (35) N/A 53.0
 
March 24, 2020, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 60.0 ppb (46) N/A 44.0 μg/m3 (40) N/A 46.0
 
March 24, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 58.0 ppb (45) N/A 51.0 μg/m3 (46) N/A 46.0
 
March 24, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 58.0 ppb (45) N/A 61.0 μg/m3 (53) N/A 53.0
 
March 24, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 46.0 ppb (35) N/A 70.0 μg/m3 (58) N/A 58.0
 
March 24, 2020, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) N/A 117.0 μg/m3 (81) N/A 81.0
 
March 24, 2020, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (5) N/A 129.0 μg/m3 (87) N/A 87.0
 
March 24, 2020, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 116.0 μg/m3 (80) N/A 80.0
 
March 24, 2020, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 76.0 μg/m3 (60) N/A 60.0
 
March 24, 2020, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 57.0 μg/m3 (51) N/A 51.0
 
March 24, 2020, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 37.0 μg/m3 (34) N/A 34.0
 
March 24, 2020, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (10) N/A 44.0 μg/m3 (40) N/A 40.0
 
March 24, 2020, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (5) N/A 38.0 μg/m3 (35) N/A 35.0
 
March 24, 2020, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (12) N/A 55.0 μg/m3 (50) N/A 50.0
 
March 24, 2020, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 19.0 ppb (15) N/A 41.0 μg/m3 (37) N/A 37.0
 
March 24, 2020, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 32.0 ppb (25) N/A 27.0 μg/m3 (25) N/A 25.0
 
March 24, 2020, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 46.0 μg/m3 (42) N/A 42.0
 
March 24, 2020, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 32.0 ppb (25) N/A 109.0 μg/m3 (77) N/A 77.0
 
March 24, 2020, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (7) N/A 102.0 μg/m3 (74) N/A 74.0
 
March 24, 2020, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) N/A 56.0 μg/m3 (50) N/A 50.0
 
March 24, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 65.0 ppb (50) N/A 44.0 μg/m3 (40) N/A 50.0
 
March 24, 2020, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 70.0 ppb (54) N/A 48.0 μg/m3 (44) N/A 54.0
 
March 23, 2020, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 71.0 ppb (55) N/A 38.0 μg/m3 (35) N/A 55.0
 
March 23, 2020, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 70.0 ppb (54) N/A 34.0 μg/m3 (31) N/A 54.0
 
March 23, 2020, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) N/A 33.0 μg/m3 (30) N/A 52.0
 
March 23, 2020, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 60.0 ppb (46) N/A 38.0 μg/m3 (35) N/A 46.0
 
March 23, 2020, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 60.0 ppb (46) N/A 37.0 μg/m3 (34) N/A 46.0
 
March 23, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 50.0 ppb (38) N/A 42.0 μg/m3 (38) N/A 38.0
 
March 23, 2020, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 44.0 ppb (34) N/A 51.0 μg/m3 (46) N/A 46.0
 
March 23, 2020, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 55.0 μg/m3 (50) N/A 50.0
 
March 23, 2020, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) N/A 77.0 μg/m3 (61) N/A 61.0
 
March 23, 2020, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 67.0 μg/m3 (56) N/A 56.0
 
March 23, 2020, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 23.0 μg/m3 (21) N/A 21.0
 
March 23, 2020, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (11) N/A 35.0 μg/m3 (32) N/A 32.0
 
March 23, 2020, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) N/A 31.0 μg/m3 (28) N/A 28.0
 
March 23, 2020, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 27.0 ppb (21) N/A 33.0 μg/m3 (30) N/A 30.0
 
March 23, 2020, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 19.0 μg/m3 (17) N/A 27.0
 
March 23, 2020, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (32) N/A 29.0 μg/m3 (26) N/A 32.0
 
March 23, 2020, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (28) N/A 31.0 μg/m3 (28) N/A 28.0
 
March 23, 2020, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 32.0 ppb (25) N/A 42.0 μg/m3 (38) N/A 38.0
 
March 23, 2020, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 31.0 ppb (24) N/A 64.0 μg/m3 (54) N/A 54.0
 
March 23, 2020, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) N/A 44.0 μg/m3 (40) N/A 40.0
 
March 23, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) N/A 33.0 μg/m3 (30) N/A 30.0
 
March 23, 2020, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 53.0 ppb (41) N/A 29.0 μg/m3 (26) N/A 41.0
 
March 22, 2020, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 50.0 ppb (38) N/A 29.0 μg/m3 (26) N/A 38.0
 
March 22, 2020, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) N/A 45.0 μg/m3 (41) N/A 41.0
 
March 22, 2020, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (35) N/A 43.0 μg/m3 (39) N/A 39.0
 
March 22, 2020, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 56.0 ppb (43) N/A 37.0 μg/m3 (34) N/A 43.0
 
March 22, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 55.0 ppb (42) N/A 39.0 μg/m3 (35) N/A 42.0
 
March 22, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 48.0 ppb (37) N/A 42.0 μg/m3 (38) N/A 38.0
 
March 22, 2020, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 41.0 ppb (32) N/A 33.0 μg/m3 (30) N/A 32.0
 
March 22, 2020, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 41.0 μg/m3 (37) N/A 37.0
 
March 22, 2020, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) N/A 64.0 μg/m3 (54) N/A 54.0
 
March 22, 2020, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 41.0 μg/m3 (37) N/A 37.0
 
March 22, 2020, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (12) N/A 31.0 μg/m3 (28) N/A 28.0
 
March 22, 2020, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) N/A 35.0 μg/m3 (32) N/A 32.0
 
March 22, 2020, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 30.0 μg/m3 (27) N/A 27.0
 
March 22, 2020, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 34.0 μg/m3 (31) N/A 31.0
 
March 22, 2020, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) N/A 40.0 μg/m3 (36) N/A 36.0
 
March 22, 2020, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 37.0 μg/m3 (34) N/A 34.0
 
March 22, 2020, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 28.0 ppb (22) N/A 69.0 μg/m3 (57) N/A 57.0
 
March 22, 2020, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) N/A 72.0 μg/m3 (58) N/A 58.0
 
March 22, 2020, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 33.0 ppb (25) N/A 51.0 μg/m3 (46) N/A 46.0
 
March 22, 2020, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (36) N/A 60.0 μg/m3 (52) N/A 52.0
 
March 22, 2020, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 48.0 ppb (37) N/A 67.0 μg/m3 (56) N/A 56.0
 
March 22, 2020, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) N/A 55.0 μg/m3 (50) N/A 50.0
 
March 22, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 64.0 ppb (49) N/A 49.0 μg/m3 (45) N/A 49.0
 
March 22, 2020, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 70.0 ppb (54) N/A 45.0 μg/m3 (41) N/A 54.0
 
March 21, 2020, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 64.0 ppb (49) N/A 46.0 μg/m3 (42) N/A 49.0
 
March 21, 2020, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (48) N/A 48.0 μg/m3 (44) N/A 48.0
 
March 21, 2020, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 57.0 ppb (44) N/A 43.0 μg/m3 (39) N/A 44.0
 
March 21, 2020, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 55.0 ppb (42) N/A 50.0 μg/m3 (45) N/A 45.0
 
March 21, 2020, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 51.0 ppb (39) N/A 47.0 μg/m3 (43) N/A 43.0
 
March 21, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) N/A 56.0 μg/m3 (50) N/A 50.0
 
March 21, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (32) N/A 55.0 μg/m3 (50) N/A 50.0
 
March 21, 2020, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) N/A 50.0 μg/m3 (45) N/A 45.0
 
March 21, 2020, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) N/A 74.0 μg/m3 (60) N/A 60.0
 
March 21, 2020, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (9) N/A 64.0 μg/m3 (54) N/A 54.0
 
March 21, 2020, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (29) N/A 57.0 μg/m3 (51) N/A 51.0
 
March 21, 2020, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (31) N/A 85.0 μg/m3 (65) N/A 65.0
 
March 21, 2020, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) N/A 85.0 μg/m3 (65) N/A 65.0
 
March 21, 2020, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (36) N/A 40.0 μg/m3 (36) N/A 36.0
 
March 21, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 71.0 ppb (55) N/A 42.0 μg/m3 (38) N/A 55.0
 
March 21, 2020, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 71.0 ppb (55) N/A 40.0 μg/m3 (36) N/A 55.0
 
March 20, 2020, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 68.0 ppb (52) N/A 43.0 μg/m3 (39) N/A 52.0
 
March 20, 2020, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) N/A 33.0 μg/m3 (30) N/A 52.0
 
March 20, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 59.0 ppb (45) N/A 38.0 μg/m3 (35) N/A 45.0
 
March 20, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 48.0 ppb (37) N/A 58.0 μg/m3 (52) N/A 52.0
 
March 20, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) N/A 51.0 μg/m3 (46) N/A 46.0
 
March 20, 2020, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (15) N/A 98.0 μg/m3 (72) 8.2 μg/m3 (34) 72.0
 
March 20, 2020, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (3) N/A 105.0 μg/m3 (75) 8.2 μg/m3 (34) 75.0
 
March 20, 2020, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) N/A 76.0 μg/m3 (60) 8.2 μg/m3 (34) 60.0
 
March 20, 2020, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (2) N/A 49.0 μg/m3 (45) 8.2 μg/m3 (34) 45.0
 
March 20, 2020, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (3) N/A 33.0 μg/m3 (30) 8.2 μg/m3 (34) 34.0
 
March 20, 2020, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) N/A 33.0 μg/m3 (30) 8.2 μg/m3 (34) 34.0
 
March 20, 2020, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) N/A 30.0 μg/m3 (27) 8.2 μg/m3 (34) 34.0
 
March 20, 2020, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) N/A 42.0 μg/m3 (38) 8.2 μg/m3 (34) 38.0
 
March 20, 2020, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) N/A 51.0 μg/m3 (46) 8.2 μg/m3 (34) 46.0
 
March 20, 2020, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) N/A 61.0 μg/m3 (53) 11.0 μg/m3 (46) 53.0
 
March 20, 2020, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) N/A 53.0 μg/m3 (48) 42.0 μg/m3 (116) 116.0
 
March 20, 2020, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 29.0 ppb (22) N/A 60.0 μg/m3 (52) 43.7 μg/m3 (120) 120.0
 
March 20, 2020, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) N/A 60.0 μg/m3 (52) 47.0 μg/m3 (129) 129.0
 
March 20, 2020, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 40.0 ppb (31) N/A 84.0 μg/m3 (64) 38.8 μg/m3 (108) 108.0
 
March 20, 2020, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) N/A 48.0 μg/m3 (44) 43.5 μg/m3 (120) 120.0
 
March 20, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 58.0 ppb (45) N/A 37.0 μg/m3 (34) 32.2 μg/m3 (93) 93.0
 
March 20, 2020, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 64.0 ppb (49) N/A 35.0 μg/m3 (32) 36.7 μg/m3 (103) 103.0
 
March 19, 2020, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 67.0 ppb (52) N/A 38.0 μg/m3 (35) 25.2 μg/m3 (78) 78.0
 
March 19, 2020, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 70.0 ppb (54) N/A 39.0 μg/m3 (35) 18.2 μg/m3 (63) 63.0
 
March 19, 2020, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 64.0 ppb (49) N/A 41.0 μg/m3 (37) 22.4 μg/m3 (72) 72.0
 
March 19, 2020, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (45) N/A 44.0 μg/m3 (40) 19.4 μg/m3 (66) 66.0
 
March 19, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 55.0 ppb (42) N/A 48.0 μg/m3 (44) 23.7 μg/m3 (75) 75.0
 
March 19, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 55.0 ppb (42) N/A 57.0 μg/m3 (51) 32.1 μg/m3 (93) 93.0
 
March 19, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (31) N/A 68.0 μg/m3 (56) 38.5 μg/m3 (108) 108.0
 
March 19, 2020, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 85.0 μg/m3 (65) 24.5 μg/m3 (77) 77.0
 
March 19, 2020, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (5) N/A 119.0 μg/m3 (82) N/A 82.0
 
March 19, 2020, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 108.0 μg/m3 (76) N/A 76.0
 
March 19, 2020, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 52.0 μg/m3 (47) N/A 47.0