ID: 2551

AQSQID: 80011G009

Site Name: Estaci¢N Hospital General

Added: April 21, 2020, 6:24 p.m.

Updated: April 10, 2021, 6:43 p.m.

Location: Silao (Miguel Hidalgo), MX

Reporting: True, Located: True

Current AQI: 57.0

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
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 66.3 μg/m3 (57) N/A 57.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 36.0 ppb (34) N/A 128.1 μg/m3 (88) N/A 88.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 11.0 ppb (11) N/A 123.1 μg/m3 (85) N/A 85.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 179.8 μg/m3 (114) N/A 114.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 65.5 μg/m3 (57) N/A 57.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (12) N/A 62.8 μg/m3 (55) N/A 55.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 11.0 ppb (11) N/A 59.8 μg/m3 (54) N/A 54.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (14) N/A 54.8 μg/m3 (51) N/A 51.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (26) N/A 64.3 μg/m3 (56) N/A 56.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 32.0 ppb (30) N/A 64.2 μg/m3 (56) N/A 56.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (26) N/A 60.6 μg/m3 (54) N/A 54.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (32) N/A 54.9 μg/m3 (51) N/A 51.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (37) N/A 49.0 μg/m3 (46) N/A 46.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 44.0 ppb (41) N/A 57.5 μg/m3 (53) N/A 53.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (47) N/A 63.3 μg/m3 (56) N/A 56.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 53.0 ppb (50) N/A 60.0 μg/m3 (54) N/A 54.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 61.0 ppb (71) N/A 73.0 μg/m3 (60) N/A 71.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 63.0 ppb (78) N/A 71.0 μg/m3 (59) N/A 78.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 61.0 ppb (71) N/A 74.5 μg/m3 (61) N/A 71.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 60.0 ppb (68) N/A 57.4 μg/m3 (53) N/A 68.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 61.0 ppb (71) N/A 49.4 μg/m3 (46) N/A 71.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 59.0 ppb (65) N/A 53.6 μg/m3 (50) N/A 65.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 55.0 ppb (51) N/A 52.5 μg/m3 (49) N/A 51.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 55.0 ppb (51) N/A 61.6 μg/m3 (55) N/A 55.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 79.9 μg/m3 (64) N/A 64.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 32.0 ppb (30) N/A 188.4 μg/m3 (118) N/A 118.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 2.0 ppb (2) N/A 251.8 μg/m3 (149) N/A 149.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 150.2 μg/m3 (99) N/A 99.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 140.8 μg/m3 (94) N/A 94.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 103.6 μg/m3 (76) N/A 76.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) N/A 80.4 μg/m3 (64) N/A 64.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (13) N/A 86.3 μg/m3 (67) N/A 67.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (21) N/A 78.4 μg/m3 (63) N/A 63.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) N/A 73.4 μg/m3 (61) N/A 61.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (23) N/A 75.9 μg/m3 (62) N/A 62.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (25) N/A 83.8 μg/m3 (66) N/A 66.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (24) N/A 88.5 μg/m3 (68) N/A 68.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (22) N/A 67.5 μg/m3 (58) N/A 58.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 86.4 μg/m3 (67) N/A 67.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 55.0 ppb (51) N/A 68.0 μg/m3 (58) N/A 58.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 64.0 ppb (81) N/A 41.3 μg/m3 (39) N/A 81.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 63.0 ppb (78) N/A 44.3 μg/m3 (42) N/A 78.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 63.0 ppb (78) N/A 42.9 μg/m3 (40) N/A 78.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 65.0 ppb (84) N/A 42.8 μg/m3 (40) N/A 84.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 65.0 ppb (84) N/A 49.1 μg/m3 (46) N/A 84.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 64.0 ppb (81) N/A 38.9 μg/m3 (37) N/A 81.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 63.0 ppb (78) N/A 49.4 μg/m3 (46) N/A 78.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 56.0 ppb (55) N/A 64.4 μg/m3 (56) N/A 56.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 49.0 ppb (46) N/A 88.7 μg/m3 (68) N/A 68.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 27.0 ppb (25) N/A 126.2 μg/m3 (87) N/A 87.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (6) N/A 184.3 μg/m3 (116) N/A 116.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 124.2 μg/m3 (86) N/A 86.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 124.8 μg/m3 (86) N/A 86.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) N/A 83.7 μg/m3 (66) N/A 66.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 8.0 ppb (8) N/A 62.4 μg/m3 (55) N/A 55.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) N/A 76.4 μg/m3 (62) N/A 62.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) N/A 96.5 μg/m3 (72) N/A 72.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) N/A 77.9 μg/m3 (63) N/A 63.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (8) N/A 112.0 μg/m3 (80) N/A 80.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) N/A 87.7 μg/m3 (68) N/A 68.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 11.0 ppb (11) N/A 91.9 μg/m3 (70) N/A 70.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (21) N/A 70.2 μg/m3 (59) N/A 59.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (40) N/A 76.6 μg/m3 (62) N/A 62.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 52.0 ppb (49) N/A 35.5 μg/m3 (33) N/A 49.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 65.0 ppb (84) N/A 32.9 μg/m3 (31) N/A 84.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 66.0 ppb (87) N/A 33.3 μg/m3 (31) N/A 87.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 64.0 ppb (81) N/A 28.4 μg/m3 (27) N/A 81.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 64.0 ppb (81) N/A 29.0 μg/m3 (27) N/A 81.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 59.0 ppb (65) N/A 28.5 μg/m3 (27) N/A 65.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 53.0 ppb (50) N/A 32.5 μg/m3 (31) N/A 50.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 56.0 ppb (55) N/A 32.5 μg/m3 (31) N/A 55.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 54.0 ppb (50) N/A 37.6 μg/m3 (35) N/A 50.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 50.0 ppb (47) N/A 46.6 μg/m3 (44) N/A 47.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 47.0 ppb (44) N/A 66.5 μg/m3 (57) N/A 57.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (21) N/A 135.9 μg/m3 (92) N/A 92.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 3.0 ppb (3) N/A 176.0 μg/m3 (112) N/A 112.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 80.1 μg/m3 (64) N/A 64.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 59.7 μg/m3 (54) N/A 54.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 3.0 ppb (3) N/A 46.0 μg/m3 (43) N/A 43.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 18.0 ppb (17) N/A 37.7 μg/m3 (35) N/A 35.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 25.0 ppb (24) N/A 37.4 μg/m3 (35) N/A 35.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) N/A 58.4 μg/m3 (53) N/A 53.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 43.0 ppb (40) N/A 22.5 μg/m3 (21) N/A 40.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 50.0 ppb (47) N/A 30.0 μg/m3 (28) N/A 47.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (38) N/A 49.0 μg/m3 (46) N/A 46.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (38) N/A 64.7 μg/m3 (56) N/A 56.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (38) N/A 88.0 μg/m3 (68) N/A 68.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (39) N/A 98.3 μg/m3 (73) N/A 73.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 52.0 ppb (49) N/A 76.3 μg/m3 (62) N/A 62.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) N/A 59.1 μg/m3 (54) N/A 58.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 62.0 ppb (74) N/A 48.5 μg/m3 (45) N/A 74.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 56.0 ppb (55) N/A 56.1 μg/m3 (52) N/A 55.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 54.0 ppb (50) N/A 56.3 μg/m3 (52) N/A 52.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 55.0 ppb (51) N/A 43.5 μg/m3 (41) N/A 51.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) N/A 44.6 μg/m3 (42) N/A 58.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 55.0 ppb (51) N/A 48.6 μg/m3 (45) N/A 51.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (47) N/A 39.3 μg/m3 (37) N/A 47.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (40) N/A 56.4 μg/m3 (52) N/A 52.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (19) N/A 124.8 μg/m3 (86) N/A 86.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) N/A 95.0 μg/m3 (71) N/A 71.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 40.8 μg/m3 (38) N/A 38.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (7) N/A 33.1 μg/m3 (31) N/A 31.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (13) N/A 19.9 μg/m3 (19) N/A 19.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (34) N/A 17.5 μg/m3 (17) N/A 34.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 39.0 ppb (37) N/A 15.0 μg/m3 (14) N/A 37.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (38) N/A 17.1 μg/m3 (16) N/A 38.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 44.0 ppb (41) N/A 51.3 μg/m3 (48) N/A 48.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (38) N/A 133.2 μg/m3 (90) N/A 90.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (40) N/A 69.4 μg/m3 (59) N/A 59.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 46.0 ppb (43) N/A 402.0 μg/m3 (269) N/A 269.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (39) N/A 80.1 μg/m3 (64) N/A 64.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (36) N/A 54.5 μg/m3 (51) N/A 51.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 69.2 μg/m3 (59) N/A 59.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (48) N/A 46.4 μg/m3 (43) N/A 48.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 53.0 ppb (50) N/A 30.3 μg/m3 (29) N/A 50.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 54.0 ppb (50) N/A 30.6 μg/m3 (29) N/A 50.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 53.0 ppb (50) N/A 35.0 μg/m3 (33) N/A 50.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 54.0 ppb (50) N/A 42.3 μg/m3 (40) N/A 50.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 52.0 ppb (49) N/A 48.3 μg/m3 (45) N/A 49.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 47.0 ppb (44) N/A 45.0 μg/m3 (42) N/A 44.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 40.0 ppb (38) N/A 42.3 μg/m3 (40) N/A 40.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) N/A 37.8 μg/m3 (35) N/A 35.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (24) N/A 45.1 μg/m3 (42) N/A 42.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (15) N/A 38.7 μg/m3 (36) N/A 36.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (15) N/A 32.8 μg/m3 (31) N/A 31.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (20) N/A 21.5 μg/m3 (20) N/A 20.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (21) N/A 18.9 μg/m3 (18) N/A 21.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (26) N/A 21.9 μg/m3 (21) N/A 26.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) N/A 22.0 μg/m3 (21) N/A 29.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (31) N/A 33.4 μg/m3 (31) N/A 31.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (31) N/A 29.0 μg/m3 (27) N/A 31.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (34) N/A 31.2 μg/m3 (29) N/A 34.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (34) N/A 38.9 μg/m3 (37) N/A 37.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (31) N/A 45.4 μg/m3 (43) N/A 43.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 32.0 ppb (30) N/A 46.6 μg/m3 (44) N/A 44.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 36.0 ppb (34) N/A 55.4 μg/m3 (52) N/A 52.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 43.0 ppb (40) N/A 29.4 μg/m3 (28) N/A 40.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 55.0 ppb (51) N/A 24.1 μg/m3 (23) N/A 51.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 57.0 ppb (58) N/A 26.1 μg/m3 (25) N/A 58.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 58.0 ppb (61) N/A 28.6 μg/m3 (27) N/A 61.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 55.0 ppb (51) N/A 30.7 μg/m3 (29) N/A 51.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 59.0 ppb (65) N/A 33.0 μg/m3 (31) N/A 65.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 52.0 ppb (49) N/A 40.4 μg/m3 (38) N/A 49.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 33.5 μg/m3 (32) N/A 45.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (39) N/A 40.6 μg/m3 (38) N/A 39.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 31.0 ppb (29) N/A 57.9 μg/m3 (53) N/A 53.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 20.0 ppb (19) N/A 53.3 μg/m3 (50) N/A 50.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) N/A 24.5 μg/m3 (23) N/A 23.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 14.0 ppb (13) N/A 18.6 μg/m3 (18) N/A 18.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (22) N/A 15.2 μg/m3 (15) N/A 22.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) N/A 16.1 μg/m3 (15) N/A 28.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (27) N/A 14.6 μg/m3 (14) N/A 27.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (27) N/A 24.0 μg/m3 (23) N/A 27.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (26) N/A 18.5 μg/m3 (18) N/A 26.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) N/A 23.4 μg/m3 (22) N/A 31.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (35) N/A 26.3 μg/m3 (25) N/A 35.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (35) N/A 33.2 μg/m3 (31) N/A 35.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (36) N/A 32.8 μg/m3 (31) N/A 36.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (34) N/A 43.9 μg/m3 (41) N/A 41.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (33) N/A 45.0 μg/m3 (42) N/A 42.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (31) N/A 37.5 μg/m3 (35) N/A 35.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (48) N/A 34.2 μg/m3 (32) N/A 48.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 52.0 ppb (49) N/A 36.7 μg/m3 (34) N/A 49.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (44) N/A 32.6 μg/m3 (31) N/A 44.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (44) N/A 36.4 μg/m3 (34) N/A 44.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 48.0 ppb (45) N/A 36.7 μg/m3 (34) N/A 45.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 44.0 ppb (41) N/A 32.3 μg/m3 (30) N/A 41.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 39.0 ppb (37) N/A 33.7 μg/m3 (32) N/A 37.0