ID: 2550

AQSQID: 80011G008

Site Name: Estaci¢N Cruz Roja

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

Updated: Jan. 25, 2021, 3:32 a.m.

Location: Salamanca (Ezequiel Ordóñez), MX

Reporting: True, Located: True

Current AQI: 38.0

Salamanca (Ezequiel Ordóñez) MX, MX: 20.578558, -101.19886

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (26) 2.67 ppb (31) 41.0 μg/m3 (38) N/A 38.0
 
Jan. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 44.0 ppb (41) 2.46 ppb (29) 29.7 μg/m3 (28) N/A 41.0
 
Jan. 25, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 60.0 ppb (68) 2.18 ppb (25) 26.3 μg/m3 (25) N/A 68.0
 
Jan. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 65.0 ppb (84) 2.17 ppb (25) 27.2 μg/m3 (26) N/A 84.0
 
Jan. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 66.0 ppb (87) 2.21 ppb (25) 34.3 μg/m3 (32) N/A 87.0
 
Jan. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 65.0 ppb (84) 2.19 ppb (25) 17.4 μg/m3 (17) N/A 84.0
 
Jan. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 64.0 ppb (81) 2.19 ppb (25) 19.0 μg/m3 (18) N/A 81.0
 
Jan. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 63.0 ppb (78) 2.13 ppb (24) 25.5 μg/m3 (24) N/A 78.0
 
Jan. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 60.0 ppb (68) 2.25 ppb (25) 39.3 μg/m3 (37) N/A 68.0
 
Jan. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 43.0 ppb (40) 2.58 ppb (30) 60.0 μg/m3 (54) N/A 54.0
 
Jan. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 28.0 ppb (26) 2.48 ppb (29) 81.6 μg/m3 (65) N/A 65.0
 
Jan. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 19.0 ppb (18) 2.74 ppb (31) 86.5 μg/m3 (67) N/A 67.0
 
Jan. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 18.0 ppb (17) 2.72 ppb (31) 64.6 μg/m3 (56) N/A 56.0
 
Jan. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 2.5 ppb (29) 50.6 μg/m3 (47) N/A 47.0
 
Jan. 24, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 11.0 ppb (11) 2.27 ppb (27) 47.2 μg/m3 (44) N/A 44.0
 
Jan. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 11.0 ppb (11) 2.3 ppb (27) 52.4 μg/m3 (49) N/A 49.0
 
Jan. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 2.37 ppb (28) 63.3 μg/m3 (56) N/A 56.0
 
Jan. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 2.73 ppb (31) 69.7 μg/m3 (59) N/A 59.0
 
Jan. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 2.75 ppb (32) 72.1 μg/m3 (60) N/A 60.0
 
Jan. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (12) 2.59 ppb (30) 65.4 μg/m3 (57) N/A 57.0
 
Jan. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) 2.72 ppb (31) 57.2 μg/m3 (53) N/A 53.0
 
Jan. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (20) 2.69 ppb (31) 57.4 μg/m3 (53) N/A 53.0
 
Jan. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) 2.64 ppb (30) 73.2 μg/m3 (61) N/A 61.0
 
Jan. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (15) 4.52 ppb (51) 130.1 μg/m3 (89) N/A 89.0
 
Jan. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (13) 4.7 ppb (53) 55.7 μg/m3 (52) N/A 53.0
 
Jan. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 47.0 ppb (44) 2.77 ppb (32) 40.6 μg/m3 (38) N/A 44.0
 
Jan. 24, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 71.0 ppb (101) 2.36 ppb (28) 34.5 μg/m3 (32) N/A 101.0
 
Jan. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 73.0 ppb (103) 2.26 ppb (27) 26.0 μg/m3 (25) N/A 103.0
 
Jan. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 74.0 ppb (103) 2.24 ppb (25) 28.5 μg/m3 (27) N/A 103.0
 
Jan. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 69.0 ppb (97) 2.26 ppb (27) 15.8 μg/m3 (15) N/A 97.0
 
Jan. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 61.0 ppb (71) 2.16 ppb (25) 22.3 μg/m3 (21) N/A 71.0
 
Jan. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 54.0 ppb (50) 2.26 ppb (27) 26.8 μg/m3 (25) N/A 50.0
 
Jan. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 43.0 ppb (40) 2.41 ppb (28) 46.5 μg/m3 (44) N/A 44.0
 
Jan. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 24.0 ppb (35) 35.0 ppb (33) 2.63 ppb (30) 82.6 μg/m3 (65) N/A 65.0
 
Jan. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 37.0 ppb (53) 18.0 ppb (17) 2.6 ppb (30) 119.2 μg/m3 (83) N/A 83.0
 
Jan. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 55.0 ppb (51) 2.9 ppb (33) 95.2 μg/m3 (71) N/A 71.0
 
Jan. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 38.0 ppb (36) 3.04 ppb (35) 69.9 μg/m3 (59) N/A 59.0
 
Jan. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 24.0 ppb (35) 12.0 ppb (12) 2.35 ppb (28) 52.5 μg/m3 (49) N/A 49.0
 
Jan. 23, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (13) 2.53 ppb (29) 46.1 μg/m3 (43) N/A 43.0
 
Jan. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 11.0 ppb (11) 2.27 ppb (27) 44.4 μg/m3 (42) N/A 42.0
 
Jan. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 10.0 ppb (10) 2.23 ppb (25) 43.5 μg/m3 (41) N/A 41.0
 
Jan. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) 2.29 ppb (27) 60.4 μg/m3 (54) N/A 54.0
 
Jan. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) 2.54 ppb (29) 65.6 μg/m3 (57) N/A 57.0
 
Jan. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) 2.56 ppb (30) 74.3 μg/m3 (61) N/A 61.0
 
Jan. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) 3.05 ppb (35) 61.7 μg/m3 (55) N/A 55.0
 
Jan. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (12) 2.77 ppb (32) 97.4 μg/m3 (72) N/A 72.0
 
Jan. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) 3.62 ppb (41) 83.2 μg/m3 (65) N/A 65.0
 
Jan. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (9) 2.93 ppb (33) 64.9 μg/m3 (56) N/A 56.0
 
Jan. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (12) 3.14 ppb (36) 42.0 μg/m3 (39) N/A 39.0
 
Jan. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) 2.64 ppb (30) 35.5 μg/m3 (33) N/A 33.0
 
Jan. 23, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 60.0 ppb (68) 2.21 ppb (25) 29.9 μg/m3 (28) N/A 68.0
 
Jan. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 60.0 ppb (68) 2.27 ppb (27) 32.2 μg/m3 (30) N/A 68.0
 
Jan. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 57.0 ppb (58) 2.31 ppb (27) 24.4 μg/m3 (23) N/A 58.0
 
Jan. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 58.0 ppb (61) 2.3 ppb (27) 31.6 μg/m3 (30) N/A 61.0
 
Jan. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) 2.29 ppb (27) 27.5 μg/m3 (26) N/A 58.0
 
Jan. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 54.0 ppb (50) 2.19 ppb (25) 33.8 μg/m3 (32) N/A 50.0
 
Jan. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 45.0 ppb (42) 2.43 ppb (28) 32.3 μg/m3 (30) N/A 42.0
 
Jan. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (33) 2.47 ppb (29) 55.2 μg/m3 (52) N/A 52.0
 
Jan. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (20) 2.92 ppb (33) 53.9 μg/m3 (50) N/A 50.0
 
Jan. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (12) 3.61 ppb (41) 55.4 μg/m3 (52) N/A 52.0
 
Jan. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (12) 3.22 ppb (37) 50.3 μg/m3 (47) N/A 47.0
 
Jan. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (18) 2.5 ppb (29) 41.1 μg/m3 (39) N/A 39.0
 
Jan. 22, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (23) 2.22 ppb (25) 39.8 μg/m3 (37) N/A 37.0
 
Jan. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 18.0 ppb (17) 2.16 ppb (25) 37.7 μg/m3 (35) N/A 35.0
 
Jan. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (22) 2.16 ppb (25) 34.2 μg/m3 (32) N/A 32.0
 
Jan. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (20) 2.16 ppb (25) 41.0 μg/m3 (38) N/A 38.0
 
Jan. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) 2.15 ppb (24) 39.4 μg/m3 (37) N/A 37.0
 
Jan. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) 2.2 ppb (25) 48.1 μg/m3 (45) N/A 45.0
 
Jan. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 18.0 ppb (17) 2.2 ppb (25) 40.0 μg/m3 (38) N/A 38.0
 
Jan. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 14.0 ppb (13) 2.6 ppb (30) 51.0 μg/m3 (48) N/A 48.0
 
Jan. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (13) 2.7 ppb (31) 55.1 μg/m3 (52) N/A 52.0
 
Jan. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (14) 2.91 ppb (33) 47.4 μg/m3 (44) N/A 44.0
 
Jan. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (34) 2.89 ppb (33) 34.4 μg/m3 (32) N/A 34.0
 
Jan. 22, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) 2.17 ppb (25) 24.9 μg/m3 (24) N/A 58.0
 
Jan. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) 2.18 ppb (25) 27.1 μg/m3 (26) N/A 58.0
 
Jan. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 60.0 ppb (68) 2.28 ppb (27) 27.0 μg/m3 (25) N/A 68.0
 
Jan. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 60.0 ppb (68) 2.27 ppb (27) 21.3 μg/m3 (20) N/A 68.0
 
Jan. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (49) 2.27 ppb (27) 28.6 μg/m3 (27) N/A 49.0
 
Jan. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 53.0 ppb (50) 2.32 ppb (27) 32.4 μg/m3 (30) N/A 50.0
 
Jan. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 41.0 ppb (58) 41.0 ppb (38) 2.21 ppb (25) 37.2 μg/m3 (35) N/A 58.0
 
Jan. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 52.0 ppb (72) 28.0 ppb (26) 2.24 ppb (25) 36.6 μg/m3 (34) N/A 72.0
 
Jan. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 45.0 ppb (63) 21.0 ppb (20) 2.36 ppb (28) 41.3 μg/m3 (39) N/A 63.0
 
Jan. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 34.0 ppb (49) 12.0 ppb (12) 2.46 ppb (29) 26.0 μg/m3 (25) N/A 49.0
 
Jan. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 24.0 ppb (35) 10.0 ppb (10) 2.37 ppb (28) 27.2 μg/m3 (26) N/A 35.0
 
Jan. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 38.0 ppb (54) 12.0 ppb (12) 2.18 ppb (25) 31.4 μg/m3 (30) N/A 54.0
 
Jan. 21, 2021, noon N/A N/A N/A N/A N/A 37.0 ppb (53) 15.0 ppb (14) 2.11 ppb (24) 30.2 μg/m3 (28) N/A 53.0
 
Jan. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 45.0 ppb (63) 17.0 ppb (16) 2.05 ppb (23) 25.4 μg/m3 (24) N/A 63.0
 
Jan. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 39.0 ppb (55) 17.0 ppb (16) 2.05 ppb (23) 26.4 μg/m3 (25) N/A 55.0
 
Jan. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 39.0 ppb (55) 18.0 ppb (17) 2.06 ppb (24) 30.7 μg/m3 (29) N/A 55.0
 
Jan. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 54.0 ppb (74) 18.0 ppb (17) 2.08 ppb (24) 27.0 μg/m3 (25) N/A 74.0
 
Jan. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 29.0 ppb (42) 20.0 ppb (19) 2.12 ppb (24) 15.7 μg/m3 (15) N/A 42.0
 
Jan. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 25.0 ppb (24) 2.07 ppb (24) 23.0 μg/m3 (22) N/A 24.0
 
Jan. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 82.0 ppb (104) 27.0 ppb (25) 2.44 ppb (28) 41.2 μg/m3 (39) N/A 104.0
 
Jan. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 45.0 ppb (63) 24.0 ppb (23) 2.21 ppb (25) 57.1 μg/m3 (53) N/A 63.0
 
Jan. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 2.99 ppb (35) 42.0 μg/m3 (39) N/A 39.0
 
Jan. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 31.0 ppb (29) 2.62 ppb (30) 27.3 μg/m3 (26) N/A 30.0
 
Jan. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 40.0 ppb (38) 2.43 ppb (28) 33.0 μg/m3 (31) N/A 38.0
 
Jan. 21, 2021, midnight N/A N/A N/A N/A N/A 11.0 ppb (16) 53.0 ppb (50) 2.26 ppb (27) 31.8 μg/m3 (30) N/A 50.0
 
Jan. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 41.0 ppb (58) 56.0 ppb (55) 2.19 ppb (25) 37.0 μg/m3 (35) N/A 58.0
 
Jan. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 52.0 ppb (72) 57.0 ppb (58) 2.19 ppb (25) 34.1 μg/m3 (32) N/A 72.0
 
Jan. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 42.0 ppb (59) 61.0 ppb (71) 2.15 ppb (24) 43.4 μg/m3 (41) N/A 71.0
 
Jan. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 59.0 ppb (65) 2.15 ppb (24) 41.5 μg/m3 (39) N/A 65.0
 
Jan. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 40.0 ppb (57) 54.0 ppb (50) 2.18 ppb (25) 43.8 μg/m3 (41) N/A 57.0
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 70.0 ppb (94) 50.0 ppb (47) 2.31 ppb (27) 22.1 μg/m3 (21) N/A 94.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 75.0 ppb (100) 44.0 ppb (41) 2.44 ppb (28) 22.1 μg/m3 (21) N/A 100.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 90.0 ppb (108) 41.0 ppb (38) 2.11 ppb (24) 25.7 μg/m3 (24) N/A 108.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 159.0 ppb (139) 36.0 ppb (34) 2.14 ppb (24) 26.8 μg/m3 (25) N/A 139.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 237.0 ppb (173) 37.0 ppb (35) 2.47 ppb (29) 27.5 μg/m3 (26) N/A 173.0
 
Jan. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 110.0 ppb (117) 36.0 ppb (34) 3.62 ppb (41) 31.9 μg/m3 (30) N/A 117.0
 
Jan. 20, 2021, noon N/A N/A N/A N/A N/A 96.0 ppb (110) 39.0 ppb (37) 3.36 ppb (39) 27.8 μg/m3 (26) N/A 110.0
 
Jan. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 205.0 ppb (159) 39.0 ppb (37) 2.77 ppb (32) 33.1 μg/m3 (31) N/A 159.0
 
Jan. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 56.0 ppb (77) 30.0 ppb (28) 2.4 ppb (28) 23.4 μg/m3 (22) N/A 77.0
 
Jan. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 44.0 ppb (62) 31.0 ppb (29) 2.22 ppb (25) 20.3 μg/m3 (19) N/A 62.0
 
Jan. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 36.0 ppb (34) 2.09 ppb (24) 25.3 μg/m3 (24) N/A 34.0
 
Jan. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 50.0 ppb (69) 27.0 ppb (25) 2.24 ppb (25) 31.2 μg/m3 (29) N/A 69.0
 
Jan. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 66.0 ppb (89) 40.0 ppb (38) 2.12 ppb (24) 25.9 μg/m3 (24) N/A 89.0
 
Jan. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 63.0 ppb (85) 43.0 ppb (40) 2.22 ppb (25) 41.1 μg/m3 (39) N/A 85.0
 
Jan. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 78.0 ppb (102) 49.0 ppb (46) 2.14 ppb (24) 76.2 μg/m3 (62) N/A 102.0
 
Jan. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 49.0 ppb (68) 27.0 ppb (25) 2.66 ppb (31) 67.4 μg/m3 (58) N/A 68.0
 
Jan. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (13) 3.11 ppb (36) 38.8 μg/m3 (36) N/A 36.0
 
Jan. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (34) 2.51 ppb (29) 33.9 μg/m3 (32) N/A 34.0
 
Jan. 20, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (35) 2.38 ppb (28) 21.8 μg/m3 (21) N/A 35.0
 
Jan. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 2.29 ppb (27) 14.8 μg/m3 (14) N/A 34.0
 
Jan. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 43.0 ppb (40) 2.13 ppb (24) 15.1 μg/m3 (14) N/A 40.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 50.0 ppb (47) 2.18 ppb (25) 18.1 μg/m3 (17) N/A 47.0
 
Jan. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 49.0 ppb (46) 2.18 ppb (25) 18.7 μg/m3 (18) N/A 46.0
 
Jan. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 48.0 ppb (45) 2.3 ppb (27) 34.9 μg/m3 (33) N/A 45.0
 
Jan. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 78.0 ppb (102) N/A 2.64 ppb (30) 65.4 μg/m3 (57) N/A 102.0
 
Jan. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 110.0 ppb (117) N/A 2.74 ppb (31) 67.9 μg/m3 (58) N/A 117.0
 
Jan. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 91.0 ppb (108) N/A 2.53 ppb (29) 62.8 μg/m3 (55) N/A 108.0
 
Jan. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) N/A 2.93 ppb (33) 64.1 μg/m3 (56) N/A 56.0
 
Jan. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A 3.2 ppb (37) 68.0 μg/m3 (58) N/A 58.0
 
Jan. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) N/A 2.34 ppb (27) 60.5 μg/m3 (54) N/A 54.0
 
Jan. 19, 2021, noon N/A N/A N/A N/A N/A 21.0 ppb (30) N/A 2.18 ppb (25) 62.2 μg/m3 (55) N/A 55.0
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A 2.12 ppb (24) 46.4 μg/m3 (43) N/A 43.0
 
Jan. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A 2.16 ppb (25) 37.8 μg/m3 (35) N/A 35.0
 
Jan. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A 2.2 ppb (25) 37.6 μg/m3 (35) N/A 35.0
 
Jan. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) N/A 2.22 ppb (25) 33.3 μg/m3 (31) N/A 31.0
 
Jan. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A 2.49 ppb (29) 35.9 μg/m3 (34) N/A 34.0
 
Jan. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.49 ppb (29) 28.2 μg/m3 (27) N/A 29.0
 
Jan. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.38 ppb (28) 26.5 μg/m3 (25) N/A 28.0
 
Jan. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.37 ppb (28) 20.7 μg/m3 (20) N/A 28.0
 
Jan. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.19 ppb (25) 40.8 μg/m3 (38) N/A 38.0
 
Jan. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.43 ppb (28) 41.4 μg/m3 (39) N/A 39.0
 
Jan. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.79 ppb (32) 36.3 μg/m3 (34) N/A 34.0
 
Jan. 19, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.32 ppb (27) 22.8 μg/m3 (22) N/A 27.0
 
Jan. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.26 ppb (27) 27.3 μg/m3 (26) N/A 27.0
 
Jan. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.23 ppb (25) 22.7 μg/m3 (22) N/A 25.0
 
Jan. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.24 ppb (25) 20.9 μg/m3 (20) N/A 25.0
 
Jan. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.23 ppb (25) 27.1 μg/m3 (26) N/A 26.0
 
Jan. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) N/A 2.22 ppb (25) 38.5 μg/m3 (36) N/A 36.0
 
Jan. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) N/A 2.31 ppb (27) 37.0 μg/m3 (35) N/A 35.0
 
Jan. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 30.0 ppb (43) N/A 2.24 ppb (25) 49.7 μg/m3 (47) N/A 47.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 30.0 ppb (43) N/A 2.39 ppb (28) 52.7 μg/m3 (49) N/A 49.0
 
Jan. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 24.0 ppb (35) N/A 2.78 ppb (32) 59.8 μg/m3 (54) N/A 54.0
 
Jan. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 57.0 ppb (78) N/A 2.21 ppb (25) 53.2 μg/m3 (50) N/A 78.0
 
Jan. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 41.0 ppb (58) N/A 2.2 ppb (25) 34.1 μg/m3 (32) N/A 58.0
 
Jan. 18, 2021, noon N/A N/A N/A N/A N/A 33.0 ppb (48) N/A 2.12 ppb (24) 37.2 μg/m3 (35) N/A 48.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 22.0 ppb (32) N/A 2.11 ppb (24) 43.8 μg/m3 (41) N/A 41.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.13 ppb (24) 24.0 μg/m3 (23) N/A 24.0
 
Jan. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.19 ppb (25) 17.3 μg/m3 (17) N/A 25.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.21 ppb (25) 26.1 μg/m3 (25) N/A 25.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.18 ppb (25) 34.4 μg/m3 (32) N/A 32.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.31 ppb (27) 29.3 μg/m3 (28) N/A 28.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.36 ppb (28) 31.0 μg/m3 (29) N/A 29.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.56 ppb (30) 43.3 μg/m3 (41) N/A 41.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.3 ppb (27) 29.3 μg/m3 (28) N/A 28.0
 
Jan. 17, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.14 ppb (24) 25.4 μg/m3 (24) N/A 24.0