ID: 2554

AQSQID: 80011G012

Site Name: Estaci¢N Nativitas

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

Updated: Dec. 9, 2021, 6:15 a.m.

Location: Salamanca (Benito Juárez), MX

Reporting: True, Located: True

Current AQI: 112.0

Salamanca (Benito Juárez) MX, MX: 20.565228, -101.18824

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 9, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 2.81 ppb (32) 177.0 μg/m3 (112) N/A 112.0
 
Dec. 9, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 2.96 ppb (35) 180.0 μg/m3 (114) N/A 114.0
 
Dec. 9, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) 3.46 ppb (40) 121.0 μg/m3 (84) N/A 84.0
 
Dec. 9, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (6) 3.47 ppb (40) 65.0 μg/m3 (56) N/A 56.0
 
Dec. 8, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (33) 1.43 ppb (16) 35.0 μg/m3 (33) N/A 33.0
 
Dec. 8, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (55) 1.03 ppb (12) 31.0 μg/m3 (29) N/A 55.0
 
Dec. 8, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (58) 1.03 ppb (12) 34.0 μg/m3 (32) N/A 58.0
 
Dec. 8, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 54.0 ppb (50) 1.03 ppb (12) 27.0 μg/m3 (25) N/A 50.0
 
Dec. 8, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 62.0 ppb (74) 1.04 ppb (12) 38.0 μg/m3 (36) N/A 74.0
 
Dec. 8, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) 1.08 ppb (13) 46.0 μg/m3 (43) N/A 58.0
 
Dec. 8, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (39) 1.06 ppb (13) 51.0 μg/m3 (48) N/A 48.0
 
Dec. 8, 2021, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (28) 1.07 ppb (13) 61.0 μg/m3 (54) N/A 54.0
 
Dec. 8, 2021, 3 p.m. N/A N/A N/A N/A N/A 22.0 ppb (32) 19.0 ppb (18) 1.26 ppb (15) 92.0 μg/m3 (70) N/A 70.0
 
Dec. 8, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (12) 1.45 ppb (16) 95.0 μg/m3 (71) N/A 71.0
 
Dec. 8, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) 1.53 ppb (18) 87.0 μg/m3 (67) N/A 67.0
 
Dec. 8, 2021, noon N/A N/A N/A N/A N/A 10.0 ppb (15) 19.0 ppb (18) 1.33 ppb (15) 110.0 μg/m3 (79) N/A 79.0
 
Dec. 8, 2021, 11 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 13.0 ppb (13) 1.16 ppb (14) 84.0 μg/m3 (66) N/A 66.0
 
Dec. 8, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 42.0 ppb (39) 1.27 ppb (15) 76.0 μg/m3 (62) N/A 62.0
 
Dec. 8, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) 1.27 ppb (15) 75.0 μg/m3 (61) N/A 61.0
 
Dec. 8, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 0.0 ppb (0) 1.45 ppb (16) 96.0 μg/m3 (72) N/A 72.0
 
Dec. 8, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 1.0 ppb (1) 1.59 ppb (19) 91.0 μg/m3 (69) N/A 69.0
 
Dec. 8, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 1.0 ppb (1) 1.58 ppb (19) 95.0 μg/m3 (71) N/A 71.0
 
Dec. 8, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 4.0 ppb (4) 2.22 ppb (25) 87.0 μg/m3 (67) N/A 67.0
 
Dec. 8, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 9.0 ppb (9) 1.8 ppb (21) N/A N/A 21.0
 
Dec. 8, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 3.0 ppb (3) 2.99 ppb (35) 192.0 μg/m3 (120) N/A 120.0
 
Dec. 8, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (7) 3.45 ppb (40) 99.0 μg/m3 (73) N/A 73.0
 
Dec. 8, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 6.0 ppb (6) 2.75 ppb (32) 99.0 μg/m3 (73) N/A 73.0
 
Dec. 8, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 14.0 ppb (13) 2.86 ppb (33) 59.0 μg/m3 (53) N/A 53.0
 
Dec. 7, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 1.41 ppb (16) 44.0 μg/m3 (41) N/A 49.0
 
Dec. 7, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 80.0 ppb (106) 1.1 ppb (13) 48.0 μg/m3 (45) N/A 106.0
 
Dec. 7, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 79.0 ppb (106) 1.11 ppb (13) 43.0 μg/m3 (40) N/A 106.0
 
Dec. 7, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 71.0 ppb (101) 1.07 ppb (13) 56.0 μg/m3 (52) N/A 101.0
 
Dec. 7, 2021, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 62.0 ppb (74) 1.06 ppb (13) 70.0 μg/m3 (59) N/A 74.0
 
Dec. 7, 2021, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 52.0 ppb (49) 1.13 ppb (13) 63.0 μg/m3 (55) N/A 55.0
 
Dec. 7, 2021, 4 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 40.0 ppb (38) 1.1 ppb (13) 81.0 μg/m3 (64) N/A 64.0
 
Dec. 7, 2021, 3 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 17.0 ppb (16) 1.26 ppb (15) 76.0 μg/m3 (62) N/A 62.0
 
Dec. 7, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) 1.49 ppb (18) 95.0 μg/m3 (71) N/A 71.0
 
Dec. 7, 2021, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 1.0 ppb (1) 1.42 ppb (16) 91.0 μg/m3 (69) N/A 69.0
 
Dec. 7, 2021, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 0.0 ppb (0) 1.31 ppb (15) 86.0 μg/m3 (67) N/A 67.0
 
Dec. 7, 2021, 11 a.m. N/A N/A N/A N/A N/A 24.0 ppb (35) 2.0 ppb (2) 1.32 ppb (15) 101.0 μg/m3 (74) N/A 74.0
 
Dec. 7, 2021, 10 a.m. N/A N/A N/A N/A N/A 41.0 ppb (58) 8.0 ppb (8) 1.21 ppb (14) 116.0 μg/m3 (82) N/A 82.0
 
Dec. 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 55.0 ppb (75) 9.0 ppb (9) 1.21 ppb (14) 106.0 μg/m3 (77) N/A 77.0
 
Dec. 7, 2021, 8 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 9.0 ppb (9) 1.24 ppb (14) 80.0 μg/m3 (64) N/A 64.0
 
Dec. 7, 2021, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 4.0 ppb (4) 1.28 ppb (15) 89.0 μg/m3 (68) N/A 68.0
 
Dec. 7, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) 1.45 ppb (16) 112.0 μg/m3 (80) N/A 80.0
 
Dec. 7, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) 1.69 ppb (20) 111.0 μg/m3 (79) N/A 79.0
 
Dec. 7, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 4.0 ppb (4) 1.64 ppb (19) 173.0 μg/m3 (110) N/A 110.0
 
Dec. 7, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 3.0 ppb (3) 2.74 ppb (31) N/A N/A 31.0
 
Dec. 7, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 9.0 ppb (9) 2.25 ppb (25) 104.0 μg/m3 (76) N/A 76.0
 
Dec. 7, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 4.0 ppb (4) 2.71 ppb (31) 96.0 μg/m3 (72) N/A 72.0
 
Dec. 7, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 17.0 ppb (16) 2.71 ppb (31) 67.0 μg/m3 (57) N/A 57.0
 
Dec. 6, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 54.0 ppb (50) 1.48 ppb (18) 50.0 μg/m3 (47) N/A 50.0
 
Dec. 6, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 68.0 ppb (94) 1.1 ppb (13) 61.0 μg/m3 (54) N/A 94.0
 
Dec. 6, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (91) 1.08 ppb (13) 36.0 μg/m3 (34) N/A 91.0
 
Dec. 6, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 69.0 ppb (97) 1.08 ppb (13) 35.0 μg/m3 (33) N/A 97.0
 
Dec. 6, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 1.04 ppb (12) 26.0 μg/m3 (25) N/A 87.0
 
Dec. 6, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 59.0 ppb (65) 1.04 ppb (12) 32.0 μg/m3 (30) N/A 65.0
 
Dec. 6, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 53.0 ppb (50) 1.06 ppb (13) 43.0 μg/m3 (40) N/A 50.0
 
Dec. 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 35.0 ppb (33) 1.1 ppb (13) 59.0 μg/m3 (53) N/A 53.0
 
Dec. 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 16.0 ppb (15) 1.19 ppb (14) 73.0 μg/m3 (60) N/A 60.0
 
Dec. 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 5.0 ppb (5) 1.52 ppb (18) 99.0 μg/m3 (73) N/A 73.0
 
Dec. 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 2.0 ppb (2) 1.7 ppb (20) 102.0 μg/m3 (75) N/A 75.0
 
Dec. 6, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 1.0 ppb (1) 1.49 ppb (18) 71.0 μg/m3 (59) N/A 59.0
 
Dec. 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 1.33 ppb (15) 62.0 μg/m3 (55) N/A 55.0
 
Dec. 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 1.22 ppb (14) 54.0 μg/m3 (50) N/A 50.0
 
Dec. 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 1.17 ppb (14) 47.0 μg/m3 (44) N/A 44.0
 
Dec. 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (3) 1.21 ppb (14) 64.0 μg/m3 (56) N/A 56.0
 
Dec. 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 1.0 ppb (1) 1.49 ppb (18) 59.0 μg/m3 (53) N/A 53.0
 
Dec. 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (6) 1.35 ppb (16) 45.0 μg/m3 (42) N/A 42.0
 
Dec. 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (18) 1.4 ppb (16) 62.0 μg/m3 (55) N/A 55.0
 
Dec. 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 16.0 ppb (15) 1.48 ppb (18) 57.0 μg/m3 (52) N/A 52.0
 
Dec. 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (24) 1.44 ppb (16) 49.0 μg/m3 (46) N/A 46.0
 
Dec. 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (21) 1.35 ppb (16) 104.0 μg/m3 (76) N/A 76.0
 
Dec. 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (11) 2.29 ppb (27) 109.0 μg/m3 (78) N/A 78.0
 
Dec. 6, 2021, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) 19.0 ppb (18) 1.91 ppb (22) 57.0 μg/m3 (52) N/A 52.0
 
Dec. 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 47.0 ppb (44) 1.19 ppb (14) 30.0 μg/m3 (28) N/A 44.0
 
Dec. 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 52.0 ppb (49) 1.06 ppb (13) 34.0 μg/m3 (32) N/A 49.0
 
Dec. 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (50) 1.0 ppb (12) 32.0 μg/m3 (30) N/A 50.0
 
Dec. 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (55) 1.04 ppb (12) 20.0 μg/m3 (19) N/A 55.0
 
Dec. 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 0.96 ppb (12) 22.0 μg/m3 (21) N/A 49.0
 
Dec. 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (43) 0.95 ppb (11) 32.0 μg/m3 (30) N/A 43.0
 
Dec. 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 39.0 ppb (37) 0.99 ppb (12) 22.0 μg/m3 (21) N/A 37.0
 
Dec. 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (24) 0.98 ppb (12) 28.0 μg/m3 (26) N/A 26.0
 
Dec. 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (14) 1.09 ppb (13) 40.0 μg/m3 (38) N/A 38.0
 
Dec. 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (6) 1.18 ppb (14) 36.0 μg/m3 (34) N/A 34.0
 
Dec. 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 1.23 ppb (14) 37.0 μg/m3 (35) N/A 35.0
 
Dec. 5, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 1.13 ppb (13) 38.0 μg/m3 (36) N/A 36.0
 
Dec. 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 1.07 ppb (13) 35.0 μg/m3 (33) N/A 33.0
 
Dec. 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 0.0 ppb (0) 1.01 ppb (12) 31.0 μg/m3 (29) N/A 29.0
 
Dec. 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 8.0 ppb (8) 0.96 ppb (12) 36.0 μg/m3 (34) N/A 34.0
 
Dec. 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 8.0 ppb (8) 0.96 ppb (12) 30.0 μg/m3 (28) N/A 28.0
 
Dec. 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (11) 0.92 ppb (11) 17.0 μg/m3 (16) N/A 16.0
 
Dec. 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (11) 1.0 ppb (12) 27.0 μg/m3 (25) N/A 25.0
 
Dec. 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 11.0 ppb (11) 1.03 ppb (12) 29.0 μg/m3 (27) N/A 27.0
 
Dec. 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 20.0 ppb (19) 1.05 ppb (13) 26.0 μg/m3 (25) N/A 25.0
 
Dec. 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 18.0 ppb (17) 1.03 ppb (12) 32.0 μg/m3 (30) N/A 30.0
 
Dec. 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 23.0 ppb (22) 1.05 ppb (13) 25.0 μg/m3 (24) N/A 24.0
 
Dec. 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 24.0 ppb (23) 1.05 ppb (13) 39.0 μg/m3 (37) N/A 37.0
 
Dec. 5, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 19.0 ppb (18) 1.74 ppb (20) 88.0 μg/m3 (68) N/A 68.0
 
Dec. 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (43) 1.14 ppb (13) 41.0 μg/m3 (38) N/A 43.0
 
Dec. 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 0.87 ppb (11) 23.0 μg/m3 (22) N/A 49.0
 
Dec. 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 47.0 ppb (44) 0.89 ppb (11) 19.0 μg/m3 (18) N/A 44.0
 
Dec. 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 41.0 ppb (38) 0.91 ppb (11) 22.0 μg/m3 (21) N/A 38.0
 
Dec. 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) 0.85 ppb (10) 20.0 μg/m3 (19) N/A 40.0
 
Dec. 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 44.0 ppb (41) 0.88 ppb (11) 20.0 μg/m3 (19) N/A 41.0
 
Dec. 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 0.94 ppb (11) 49.0 μg/m3 (46) N/A 46.0
 
Dec. 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 25.0 ppb (24) 1.06 ppb (13) 64.0 μg/m3 (56) N/A 56.0
 
Dec. 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (13) 1.17 ppb (14) 82.0 μg/m3 (65) N/A 65.0
 
Dec. 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 4.0 ppb (4) 1.38 ppb (16) 99.0 μg/m3 (73) N/A 73.0
 
Dec. 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) 1.36 ppb (16) 74.0 μg/m3 (61) N/A 61.0
 
Dec. 4, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 1.26 ppb (15) 60.0 μg/m3 (54) N/A 54.0
 
Dec. 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 1.0 ppb (1) 1.08 ppb (13) 59.0 μg/m3 (53) N/A 53.0
 
Dec. 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 2.0 ppb (2) 0.98 ppb (12) 47.0 μg/m3 (44) N/A 44.0
 
Dec. 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 3.0 ppb (3) 0.93 ppb (11) 31.0 μg/m3 (29) N/A 29.0
 
Dec. 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 8.0 ppb (8) 0.92 ppb (11) 22.0 μg/m3 (21) N/A 21.0
 
Dec. 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 12.0 ppb (12) 0.92 ppb (11) N/A N/A 12.0
 
Dec. 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 17.0 ppb (16) 0.91 ppb (11) 18.0 μg/m3 (17) N/A 17.0
 
Dec. 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 21.0 ppb (20) 0.96 ppb (12) 24.0 μg/m3 (23) N/A 23.0
 
Dec. 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 24.0 ppb (23) 1.01 ppb (12) 37.0 μg/m3 (35) N/A 35.0
 
Dec. 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 7.0 ppb (7) 1.08 ppb (13) 47.0 μg/m3 (44) N/A 44.0
 
Dec. 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 13.0 ppb (13) 1.3 ppb (15) 36.0 μg/m3 (34) N/A 34.0
 
Dec. 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 19.0 ppb (18) 1.15 ppb (13) 38.0 μg/m3 (36) N/A 36.0
 
Dec. 4, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 18.0 ppb (17) 1.27 ppb (15) 44.0 μg/m3 (41) N/A 41.0
 
Dec. 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 29.0 ppb (27) 1.12 ppb (13) 50.0 μg/m3 (47) N/A 47.0
 
Dec. 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 32.0 ppb (30) 1.19 ppb (14) 19.0 μg/m3 (18) N/A 30.0
 
Dec. 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 47.0 ppb (44) 1.07 ppb (13) 7.0 μg/m3 (7) N/A 44.0
 
Dec. 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 53.0 ppb (50) 1.16 ppb (14) N/A N/A 50.0
 
Dec. 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 48.0 ppb (45) 1.01 ppb (12) 20.0 μg/m3 (19) N/A 45.0
 
Dec. 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 43.0 ppb (40) 0.93 ppb (11) 25.0 μg/m3 (24) N/A 40.0
 
Dec. 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 0.92 ppb (11) 30.0 μg/m3 (28) N/A 35.0
 
Dec. 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 28.0 ppb (26) 1.02 ppb (12) 44.0 μg/m3 (41) N/A 41.0
 
Dec. 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 14.0 ppb (13) 1.12 ppb (13) 77.0 μg/m3 (62) N/A 62.0
 
Dec. 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 5.0 ppb (5) 1.31 ppb (15) 59.0 μg/m3 (53) N/A 53.0
 
Dec. 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 1.0 ppb (1) 1.29 ppb (15) 47.0 μg/m3 (44) N/A 44.0
 
Dec. 3, 2021, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 0.0 ppb (0) 1.07 ppb (13) 32.0 μg/m3 (30) N/A 30.0
 
Dec. 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (4) 0.93 ppb (11) 22.0 μg/m3 (21) N/A 21.0
 
Dec. 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 7.0 ppb (7) 0.89 ppb (11) 22.0 μg/m3 (21) N/A 21.0
 
Dec. 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (14) 0.86 ppb (11) 11.0 μg/m3 (11) N/A 14.0
 
Dec. 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (20) 0.86 ppb (11) 11.0 μg/m3 (11) N/A 20.0
 
Dec. 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 17.0 ppb (16) 0.88 ppb (11) 14.0 μg/m3 (13) N/A 16.0
 
Dec. 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 13.0 ppb (13) 0.91 ppb (11) 26.0 μg/m3 (25) N/A 25.0
 
Dec. 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 14.0 ppb (13) 0.93 ppb (11) 29.0 μg/m3 (27) N/A 27.0
 
Dec. 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 7.0 ppb (7) 0.98 ppb (12) 27.0 μg/m3 (25) N/A 25.0
 
Dec. 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 20.0 ppb (19) 0.96 ppb (12) 26.0 μg/m3 (25) N/A 25.0
 
Dec. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 126.0 ppb (124) 25.0 ppb (24) 1.67 ppb (20) 36.0 μg/m3 (34) N/A 124.0
 
Dec. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 50.0 ppb (69) 24.0 ppb (23) 1.17 ppb (14) 58.0 μg/m3 (53) N/A 69.0
 
Dec. 3, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 16.0 ppb (15) 1.35 ppb (16) 60.0 μg/m3 (54) N/A 54.0
 
Dec. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 33.0 ppb (31) 1.12 ppb (13) 41.0 μg/m3 (38) N/A 38.0
 
Dec. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 43.0 ppb (40) 0.97 ppb (12) 30.0 μg/m3 (28) N/A 40.0
 
Dec. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (47) 0.92 ppb (11) 29.0 μg/m3 (27) N/A 47.0
 
Dec. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 48.0 ppb (45) 0.94 ppb (11) 27.0 μg/m3 (25) N/A 45.0
 
Dec. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (41) 0.94 ppb (11) 30.0 μg/m3 (28) N/A 41.0
 
Dec. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 39.0 ppb (37) 0.93 ppb (11) 36.0 μg/m3 (34) N/A 37.0
 
Dec. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (33) 0.9 ppb (11) 34.0 μg/m3 (32) N/A 33.0
 
Dec. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (30) 0.93 ppb (11) 37.0 μg/m3 (35) N/A 35.0
 
Dec. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 7.0 ppb (7) 1.24 ppb (14) 70.0 μg/m3 (59) N/A 59.0
 
Dec. 2, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (7) 1.12 ppb (13) 27.0 μg/m3 (25) N/A 25.0
 
Dec. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (8) 0.95 ppb (11) 20.0 μg/m3 (19) N/A 19.0
 
Dec. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 9.0 ppb (9) 0.88 ppb (11) 19.0 μg/m3 (18) N/A 18.0
 
Dec. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 0.91 ppb (11) 22.0 μg/m3 (21) N/A 21.0
 
Dec. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A 0.95 ppb (11) 28.0 μg/m3 (26) N/A 26.0
 
Dec. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 7.0 ppb (7) 0.9 ppb (11) 28.0 μg/m3 (26) N/A 26.0
 
Dec. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 25.0 ppb (24) 0.92 ppb (11) 40.0 μg/m3 (38) N/A 38.0
 
Dec. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (44) 1.01 ppb (12) 33.0 μg/m3 (31) N/A 44.0
 
Dec. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (13) 1.11 ppb (13) 44.0 μg/m3 (41) N/A 41.0
 
Dec. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (7) 1.15 ppb (13) 72.0 μg/m3 (60) N/A 60.0
 
Dec. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (7) 1.31 ppb (15) 72.0 μg/m3 (60) N/A 60.0
 
Dec. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 14.0 ppb (13) 1.27 ppb (15) 58.0 μg/m3 (53) N/A 53.0