AQSQID: 80011G013

Site Name: Estaci¢N Dif

Location: Salamanca (Irapuato), MX

Reporting: True, Located: True

Current AQI: 23.0

Salamanca (Irapuato) MX, MX: 20.558153, -101.20485

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2020, noon N/A N/A N/A N/A N/A 12.0 ppb (17) 12.0 ppb (9) 1.53 ppb (17) 6.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 15.0 ppb (12) 1.5 ppb (17) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 1.49 ppb (17) 6.0 μg/m3 (5) 5.6 μg/m3 (23) 23.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 1.49 ppb (17) 0.0 μg/m3 (0) 5.4 μg/m3 (23) 23.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 17.0 ppb (13) 1.5 ppb (17) 6.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 1.53 ppb (17) 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 16.0 ppb (12) 1.56 ppb (17) 7.0 μg/m3 (6) 5.3 μg/m3 (22) 22.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 19.0 ppb (15) 1.59 ppb (18) 15.0 μg/m3 (14) 10.8 μg/m3 (45) 45.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 17.0 ppb (13) 1.7 ppb (19) 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 18.0 ppb (14) 1.8 ppb (20) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 18.0 ppb (14) 1.95 ppb (22) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 29.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 24.0 ppb (18) 1.85 ppb (21) 31.0 μg/m3 (28) 3.1 μg/m3 (13) 33.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A 23.0 ppb (33) 30.0 ppb (23) 1.84 ppb (20) 18.0 μg/m3 (16) 5.5 μg/m3 (23) 33.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 36.0 ppb (28) 1.81 ppb (20) 14.0 μg/m3 (13) 8.7 μg/m3 (36) 36.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 38.0 ppb (29) 1.78 ppb (20) 9.0 μg/m3 (8) 10.2 μg/m3 (42) 42.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 35.0 ppb (27) 1.82 ppb (20) 4.0 μg/m3 (4) 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 32.0 ppb (25) 1.89 ppb (21) 8.0 μg/m3 (7) 5.8 μg/m3 (24) 33.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 29.0 ppb (22) 1.84 ppb (20) 14.0 μg/m3 (13) 6.3 μg/m3 (26) 33.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 26.0 ppb (20) 1.8 ppb (20) 8.0 μg/m3 (7) 3.8 μg/m3 (16) 33.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 23.0 ppb (18) 1.8 ppb (20) 3.0 μg/m3 (3) 9.9 μg/m3 (41) 41.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.82 ppb (20) 10.0 μg/m3 (9) 9.8 μg/m3 (41) 41.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.9 ppb (21) 9.0 μg/m3 (8) 8.6 μg/m3 (36) 36.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 1.91 ppb (21) 9.0 μg/m3 (8) 8.1 μg/m3 (34) 34.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 1.82 ppb (20) 5.0 μg/m3 (5) 5.8 μg/m3 (24) 24.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.54 ppb (17) 2.0 μg/m3 (2) 2.6 μg/m3 (11) 17.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 1.54 ppb (17) 5.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 1.53 ppb (17) 0.0 μg/m3 (0) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.53 ppb (17) 3.0 μg/m3 (3) 5.7 μg/m3 (24) 24.0
 
Jan. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 2.35 ppb (26) 54.0 μg/m3 (49) 13.9 μg/m3 (54) 54.0
 
Jan. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 1.76 ppb (20) 38.0 μg/m3 (35) 17.2 μg/m3 (61) 61.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) 1.66 ppb (18) 37.0 μg/m3 (34) 26.3 μg/m3 (80) 80.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 78.0 ppb (61) 1.7 ppb (19) 60.0 μg/m3 (52) 38.6 μg/m3 (108) 108.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (55) 1.61 ppb (18) 40.0 μg/m3 (36) 31.2 μg/m3 (91) 91.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 1.68 ppb (19) 27.0 μg/m3 (25) 30.5 μg/m3 (89) 89.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 2.07 ppb (23) 35.0 μg/m3 (32) 26.7 μg/m3 (81) 81.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 1.8 ppb (20) 53.0 μg/m3 (48) 27.5 μg/m3 (83) 83.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 1.87 ppb (21) 53.0 μg/m3 (48) 32.9 μg/m3 (94) 94.0
 
Jan. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 2.13 ppb (24) 88.0 μg/m3 (66) 39.9 μg/m3 (111) 111.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 2.97 ppb (33) 121.0 μg/m3 (83) 39.3 μg/m3 (110) 110.0
 
Jan. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 3.14 ppb (35) 71.0 μg/m3 (58) 24.8 μg/m3 (77) 77.0
 
Jan. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 1.99 ppb (22) 43.0 μg/m3 (39) 32.0 μg/m3 (93) 93.0
 
Jan. 13, 2020, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 1.58 ppb (18) 43.0 μg/m3 (39) 25.7 μg/m3 (79) 79.0
 
Jan. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 1.55 ppb (17) 43.0 μg/m3 (39) 24.9 μg/m3 (77) 77.0
 
Jan. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.57 ppb (17) 40.0 μg/m3 (36) 21.4 μg/m3 (70) 70.0
 
Jan. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.55 ppb (17) 37.0 μg/m3 (34) 21.7 μg/m3 (71) 71.0
 
Jan. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 1.53 ppb (17) 45.0 μg/m3 (41) 16.7 μg/m3 (60) 60.0
 
Jan. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.6 ppb (18) 52.0 μg/m3 (47) 29.7 μg/m3 (88) 88.0
 
Jan. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 1.68 ppb (19) 78.0 μg/m3 (62) 42.7 μg/m3 (118) 118.0
 
Jan. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 2.56 ppb (28) 155.0 μg/m3 (100) 55.1 μg/m3 (149) 149.0
 
Jan. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 5.2 ppb (57) 158.0 μg/m3 (102) 41.1 μg/m3 (114) 114.0
 
Jan. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 4.59 ppb (51) 130.0 μg/m3 (88) 44.2 μg/m3 (122) 122.0
 
Jan. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 3.63 ppb (40) 94.0 μg/m3 (70) 20.2 μg/m3 (67) 70.0
 
Jan. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 1.97 ppb (22) 48.0 μg/m3 (44) 13.8 μg/m3 (54) 54.0
 
Jan. 13, 2020, midnight N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 1.54 ppb (17) 31.0 μg/m3 (28) 20.6 μg/m3 (68) 68.0
 
Jan. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) 1.56 ppb (17) 34.0 μg/m3 (31) 28.0 μg/m3 (84) 84.0
 
Jan. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 80.0 ppb (62) 1.73 ppb (19) 38.0 μg/m3 (35) 32.3 μg/m3 (93) 93.0
 
Jan. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) 1.72 ppb (19) 15.0 μg/m3 (14) 27.1 μg/m3 (82) 82.0
 
Jan. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 1.72 ppb (19) 16.0 μg/m3 (15) 28.3 μg/m3 (85) 85.0
 
Jan. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 1.74 ppb (19) 20.0 μg/m3 (18) 21.5 μg/m3 (70) 70.0
 
Jan. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 1.83 ppb (20) 31.0 μg/m3 (28) 18.9 μg/m3 (65) 65.0
 
Jan. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 1.84 ppb (20) 33.0 μg/m3 (30) 19.9 μg/m3 (67) 67.0
 
Jan. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.78 ppb (20) 41.0 μg/m3 (37) 28.4 μg/m3 (85) 85.0
 
Jan. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.91 ppb (21) 44.0 μg/m3 (40) 23.0 μg/m3 (73) 73.0
 
Jan. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 1.77 ppb (20) 41.0 μg/m3 (37) 35.0 μg/m3 (99) 99.0
 
Jan. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 1.76 ppb (20) 43.0 μg/m3 (39) 40.4 μg/m3 (112) 112.0
 
Jan. 12, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 1.65 ppb (18) 62.0 μg/m3 (54) 43.5 μg/m3 (120) 120.0
 
Jan. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 1.6 ppb (18) 45.0 μg/m3 (41) 17.0 μg/m3 (61) 61.0
 
Jan. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 1.46 ppb (16) 26.0 μg/m3 (24) 12.2 μg/m3 (50) 50.0
 
Jan. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 1.44 ppb (16) 32.0 μg/m3 (29) 14.5 μg/m3 (55) 55.0
 
Jan. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.44 ppb (16) 31.0 μg/m3 (28) 13.1 μg/m3 (52) 52.0
 
Jan. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 1.49 ppb (17) 47.0 μg/m3 (43) 11.6 μg/m3 (48) 48.0
 
Jan. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 1.51 ppb (17) 68.0 μg/m3 (56) 11.8 μg/m3 (49) 56.0
 
Jan. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 1.75 ppb (19) 68.0 μg/m3 (56) 18.9 μg/m3 (65) 65.0
 
Jan. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.97 ppb (22) 71.0 μg/m3 (58) 20.5 μg/m3 (68) 68.0
 
Jan. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 2.14 ppb (24) 96.0 μg/m3 (70) 46.8 μg/m3 (128) 128.0
 
Jan. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 5.25 ppb (58) N/A 32.3 μg/m3 (93) 93.0
 
Jan. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 4.41 ppb (49) 68.0 μg/m3 (56) 9.9 μg/m3 (41) 56.0
 
Jan. 12, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 1.86 ppb (21) 30.0 μg/m3 (27) 11.4 μg/m3 (48) 48.0
 
Jan. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 1.69 ppb (19) 21.0 μg/m3 (19) 15.0 μg/m3 (56) 56.0
 
Jan. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) 1.66 ppb (18) 15.0 μg/m3 (14) 20.5 μg/m3 (68) 68.0
 
Jan. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 1.66 ppb (18) 30.0 μg/m3 (27) 20.8 μg/m3 (69) 69.0
 
Jan. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 1.61 ppb (18) 3.0 μg/m3 (3) 27.2 μg/m3 (82) 82.0
 
Jan. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 1.62 ppb (18) 8.0 μg/m3 (7) 24.0 μg/m3 (76) 76.0
 
Jan. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 1.78 ppb (20) 38.0 μg/m3 (35) 26.7 μg/m3 (81) 81.0
 
Jan. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 2.05 ppb (23) 65.0 μg/m3 (55) 40.0 μg/m3 (111) 111.0
 
Jan. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 2.29 ppb (25) 81.0 μg/m3 (63) 42.0 μg/m3 (116) 116.0
 
Jan. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 2.32 ppb (26) 85.0 μg/m3 (65) 42.3 μg/m3 (117) 117.0
 
Jan. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 2.19 ppb (24) 83.0 μg/m3 (64) 34.9 μg/m3 (99) 99.0
 
Jan. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.98 ppb (22) 61.0 μg/m3 (53) 36.3 μg/m3 (102) 102.0
 
Jan. 11, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.83 ppb (20) 66.0 μg/m3 (56) 39.9 μg/m3 (111) 111.0
 
Jan. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.81 ppb (20) 56.0 μg/m3 (50) 28.4 μg/m3 (85) 85.0
 
Jan. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 1.66 ppb (18) 50.0 μg/m3 (45) 24.6 μg/m3 (77) 77.0
 
Jan. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.89 ppb (21) 62.0 μg/m3 (54) 38.3 μg/m3 (107) 107.0
 
Jan. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 2.3 ppb (26) 75.0 μg/m3 (60) 46.2 μg/m3 (127) 127.0
 
Jan. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 2.36 ppb (26) 108.0 μg/m3 (76) 40.5 μg/m3 (112) 112.0
 
Jan. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 2.35 ppb (26) 96.0 μg/m3 (70) 22.3 μg/m3 (72) 72.0
 
Jan. 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 2.45 ppb (27) 87.0 μg/m3 (66) 20.9 μg/m3 (69) 69.0
 
Jan. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 2.09 ppb (23) 68.0 μg/m3 (56) 27.7 μg/m3 (83) 83.0
 
Jan. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 2.62 ppb (29) 105.0 μg/m3 (75) 41.7 μg/m3 (116) 116.0
 
Jan. 11, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 2.34 ppb (26) 62.0 μg/m3 (54) 14.5 μg/m3 (55) 55.0
 
Jan. 11, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 1.48 ppb (16) 51.0 μg/m3 (46) 10.7 μg/m3 (45) 46.0
 
Jan. 11, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 1.36 ppb (15) 31.0 μg/m3 (28) 12.5 μg/m3 (51) 51.0
 
Jan. 10, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 1.4 ppb (16) 34.0 μg/m3 (31) 13.7 μg/m3 (54) 54.0
 
Jan. 10, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 1.44 ppb (16) 25.0 μg/m3 (23) 12.9 μg/m3 (52) 52.0
 
Jan. 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 1.48 ppb (16) 25.0 μg/m3 (23) 18.1 μg/m3 (63) 63.0
 
Jan. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 1.5 ppb (17) 5.0 μg/m3 (5) 27.2 μg/m3 (82) 82.0
 
Jan. 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) 1.54 ppb (17) 11.0 μg/m3 (10) 25.9 μg/m3 (80) 80.0
 
Jan. 10, 2020, 6 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 49.0 ppb (38) 1.52 ppb (17) 19.0 μg/m3 (17) 27.4 μg/m3 (83) 83.0
 
Jan. 10, 2020, 5 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 35.0 ppb (27) 1.73 ppb (19) N/A 61.6 μg/m3 (153) 153.0
 
Jan. 10, 2020, 4 p.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 13.0 ppb (10) 2.7 ppb (30) 149.0 μg/m3 (97) 80.1 μg/m3 (163) 163.0
 
Jan. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A 28.0 ppb (40) 7.0 ppb (5) 3.73 ppb (41) 159.0 μg/m3 (102) 67.5 μg/m3 (156) 156.0
 
Jan. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 7.0 ppb (5) 3.22 ppb (36) 103.0 μg/m3 (74) 57.9 μg/m3 (151) 151.0
 
Jan. 10, 2020, 1 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 4.0 ppb (3) 2.37 ppb (26) 114.0 μg/m3 (80) 84.6 μg/m3 (165) 165.0
 
Jan. 10, 2020, noon N/A N/A N/A N/A N/A 25.0 ppb (36) 10.0 ppb (8) 1.98 ppb (22) 116.0 μg/m3 (80) 58.2 μg/m3 (151) 151.0
 
Jan. 10, 2020, 11 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 4.0 ppb (3) 1.92 ppb (21) 76.0 μg/m3 (60) 48.4 μg/m3 (132) 132.0
 
Jan. 10, 2020, 10 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 3.0 ppb (2) 1.78 ppb (20) 82.0 μg/m3 (64) 56.6 μg/m3 (151) 151.0
 
Jan. 10, 2020, 9 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 3.0 ppb (2) 1.87 ppb (21) 88.0 μg/m3 (66) 34.9 μg/m3 (99) 99.0
 
Jan. 10, 2020, 8 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 13.0 ppb (10) 1.77 ppb (20) 57.0 μg/m3 (51) 27.7 μg/m3 (83) 83.0
 
Jan. 10, 2020, 7 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 34.0 ppb (26) 1.54 ppb (17) 66.0 μg/m3 (56) 33.2 μg/m3 (95) 95.0
 
Jan. 10, 2020, 6 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 17.0 ppb (13) 2.05 ppb (23) 97.0 μg/m3 (71) 39.5 μg/m3 (110) 110.0
 
Jan. 10, 2020, 5 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 7.0 ppb (5) 2.22 ppb (25) N/A 69.2 μg/m3 (157) 157.0
 
Jan. 10, 2020, 4 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 10.0 ppb (8) 4.87 ppb (54) 267.0 μg/m3 (156) 84.7 μg/m3 (165) 165.0
 
Jan. 10, 2020, 3 a.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 13.0 ppb (10) 6.99 ppb (75) N/A 51.1 μg/m3 (139) 139.0
 
Jan. 10, 2020, 2 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 8.0 ppb (6) 6.51 ppb (70) 123.0 μg/m3 (84) 38.8 μg/m3 (108) 108.0
 
Jan. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) N/A 3.73 ppb (41) 65.0 μg/m3 (55) 23.7 μg/m3 (75) 75.0
 
Jan. 10, 2020, midnight N/A N/A N/A N/A N/A 24.0 ppb (34) 76.0 ppb (59) 1.62 ppb (18) 39.0 μg/m3 (35) 20.7 μg/m3 (69) 69.0
 
Jan. 9, 2020, 11 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 78.0 ppb (61) 1.55 ppb (17) 34.0 μg/m3 (31) 24.3 μg/m3 (76) 76.0
 
Jan. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 85.0 ppb (67) 1.53 ppb (17) 38.0 μg/m3 (35) 28.6 μg/m3 (85) 85.0
 
Jan. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 81.0 ppb (63) 1.53 ppb (17) 28.0 μg/m3 (25) 28.2 μg/m3 (84) 84.0
 
Jan. 9, 2020, 8 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 73.0 ppb (57) 1.55 ppb (17) 19.0 μg/m3 (17) 31.9 μg/m3 (92) 92.0
 
Jan. 9, 2020, 7 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 61.0 ppb (47) 1.54 ppb (17) 31.0 μg/m3 (28) 52.1 μg/m3 (142) 142.0
 
Jan. 9, 2020, 6 p.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 50.0 ppb (38) 1.83 ppb (20) 66.0 μg/m3 (56) 48.5 μg/m3 (132) 132.0
 
Jan. 9, 2020, 5 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 32.0 ppb (25) 1.92 ppb (21) 76.0 μg/m3 (60) 47.7 μg/m3 (130) 130.0
 
Jan. 9, 2020, 4 p.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 11.0 ppb (8) 2.1 ppb (23) 84.0 μg/m3 (64) 41.5 μg/m3 (115) 115.0
 
Jan. 9, 2020, 3 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 5.0 ppb (4) 2.39 ppb (27) 106.0 μg/m3 (76) 48.9 μg/m3 (134) 134.0
 
Jan. 9, 2020, 2 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 3.0 ppb (2) 3.74 ppb (42) 122.0 μg/m3 (84) 44.8 μg/m3 (123) 123.0
 
Jan. 9, 2020, 1 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 2.0 ppb (2) 2.69 ppb (30) 86.0 μg/m3 (66) 39.2 μg/m3 (109) 109.0
 
Jan. 9, 2020, noon N/A N/A N/A N/A N/A 24.0 ppb (34) 2.0 ppb (2) 1.74 ppb (19) 72.0 μg/m3 (58) 50.6 μg/m3 (138) 138.0
 
Jan. 9, 2020, 11 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 2.0 ppb (2) 1.8 ppb (20) 92.0 μg/m3 (68) 52.0 μg/m3 (141) 141.0
 
Jan. 9, 2020, 10 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 2.0 ppb (2) 1.87 ppb (21) 82.0 μg/m3 (64) 42.6 μg/m3 (118) 118.0
 
Jan. 9, 2020, 9 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 3.0 ppb (2) 1.8 ppb (20) 78.0 μg/m3 (62) 49.2 μg/m3 (134) 134.0
 
Jan. 9, 2020, 8 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 7.0 ppb (5) 1.72 ppb (19) 114.0 μg/m3 (80) 53.8 μg/m3 (146) 146.0
 
Jan. 9, 2020, 7 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 3.0 ppb (2) 2.18 ppb (24) 121.0 μg/m3 (83) 50.1 μg/m3 (136) 136.0
 
Jan. 9, 2020, 6 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 6.0 ppb (5) 2.18 ppb (24) 105.0 μg/m3 (75) 47.8 μg/m3 (131) 131.0
 
Jan. 9, 2020, 5 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 3.0 ppb (2) 2.78 ppb (31) 155.0 μg/m3 (100) 66.4 μg/m3 (156) 156.0
 
Jan. 9, 2020, 4 a.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 4.0 ppb (3) 5.0 ppb (55) 207.0 μg/m3 (126) 62.6 μg/m3 (154) 154.0
 
Jan. 9, 2020, 3 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 5.0 ppb (4) 3.9 ppb (43) 163.0 μg/m3 (104) 47.1 μg/m3 (129) 129.0
 
Jan. 9, 2020, 2 a.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 7.0 ppb (5) 3.93 ppb (44) 113.0 μg/m3 (79) 31.3 μg/m3 (91) 91.0
 
Jan. 9, 2020, 1 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 44.0 ppb (34) 1.96 ppb (22) 81.0 μg/m3 (63) 37.9 μg/m3 (106) 106.0
 
Jan. 9, 2020, midnight N/A N/A N/A N/A N/A 24.0 ppb (34) 66.0 ppb (51) 1.5 ppb (17) 44.0 μg/m3 (40) 18.6 μg/m3 (64) 64.0
 
Jan. 8, 2020, 11 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 71.0 ppb (55) 1.42 ppb (16) 29.0 μg/m3 (26) 19.5 μg/m3 (66) 66.0
 
Jan. 8, 2020, 10 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 74.0 ppb (57) 1.42 ppb (16) 15.0 μg/m3 (14) 24.2 μg/m3 (76) 76.0
 
Jan. 8, 2020, 9 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 69.0 ppb (53) 1.49 ppb (17) 32.0 μg/m3 (29) 33.7 μg/m3 (96) 96.0
 
Jan. 8, 2020, 8 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 56.0 ppb (43) 1.68 ppb (19) 33.0 μg/m3 (30) 26.6 μg/m3 (81) 81.0
 
Jan. 8, 2020, 7 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 43.0 ppb (33) 1.72 ppb (19) 37.0 μg/m3 (34) 23.9 μg/m3 (75) 75.0
 
Jan. 8, 2020, 6 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 36.0 ppb (28) 1.67 ppb (19) 29.0 μg/m3 (26) 17.3 μg/m3 (61) 61.0
 
Jan. 8, 2020, 5 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 33.0 ppb (25) 1.63 ppb (18) 33.0 μg/m3 (30) 20.3 μg/m3 (68) 68.0
 
Jan. 8, 2020, 4 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 29.0 ppb (22) 1.64 ppb (18) 38.0 μg/m3 (35) 22.4 μg/m3 (72) 72.0
 
Jan. 8, 2020, 3 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 15.0 ppb (12) 2.03 ppb (23) 48.0 μg/m3 (44) 16.5 μg/m3 (60) 60.0
 
Jan. 8, 2020, 2 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 10.0 ppb (8) 1.91 ppb (21) 33.0 μg/m3 (30) 9.7 μg/m3 (40) 40.0
 
Jan. 8, 2020, 1 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 18.0 ppb (14) 1.63 ppb (18) 18.0 μg/m3 (16) 7.7 μg/m3 (32) 33.0
 
Jan. 8, 2020, noon N/A N/A N/A N/A N/A 23.0 ppb (33) 32.0 ppb (25) 1.3 ppb (14) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 33.0
 
Jan. 8, 2020, 11 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 32.0 ppb (25) 1.23 ppb (14) 11.0 μg/m3 (10) 7.3 μg/m3 (30) 33.0
 
Jan. 8, 2020, 10 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 36.0 ppb (28) 1.23 ppb (14) 11.0 μg/m3 (10) 7.3 μg/m3 (30) 33.0
 
Jan. 8, 2020, 9 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 32.0 ppb (25) 1.23 ppb (14) 17.0 μg/m3 (15) 6.9 μg/m3 (29) 36.0
 
Jan. 8, 2020, 8 a.m. N/A N/A N/A N/A N/A 28.0 ppb (40) 29.0 ppb (22) 1.25 ppb (14) 18.0 μg/m3 (16) 8.9 μg/m3 (37) 40.0
 
Jan. 8, 2020, 7 a.m. N/A N/A N/A N/A N/A 40.0 ppb (52) 31.0 ppb (24) 1.34 ppb (15) 21.0 μg/m3 (19) 12.1 μg/m3 (50) 52.0
 
Jan. 8, 2020, 6 a.m. N/A N/A N/A N/A N/A 46.0 ppb (55) 30.0 ppb (23) 1.26 ppb (14) 24.0 μg/m3 (22) 9.2 μg/m3 (38) 55.0