AQSQID: 80011G005

Site Name: Estaci¢N Te¢Dula

Location: Irapuato (Av. Tres), MX

Reporting: True, Located: True

Current AQI: 52.0

Irapuato (Av. Tres) MX, MX: 20.657939, -101.34915

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 26, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) 0.35 ppb (4) 60.0 μg/m3 (52) 12.1 μg/m3 (50) 52.0
 
March 26, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 60.0 ppb (46) 0.38 ppb (4) 63.0 μg/m3 (54) 6.2 μg/m3 (26) 54.0
 
March 26, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) 0.55 ppb (6) 75.0 μg/m3 (60) 20.8 μg/m3 (69) 69.0
 
March 26, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 34.0 ppb (26) 0.75 ppb (8) 49.0 μg/m3 (45) 16.4 μg/m3 (59) 59.0
 
March 26, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (22) 0.62 ppb (7) 24.0 μg/m3 (22) 15.8 μg/m3 (58) 58.0
 
March 26, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (27) 0.4 ppb (4) 28.0 μg/m3 (25) 10.7 μg/m3 (45) 45.0
 
March 26, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) 0.37 ppb (4) 22.0 μg/m3 (20) 14.3 μg/m3 (55) 55.0
 
March 26, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (31) 0.33 ppb (4) 23.0 μg/m3 (21) 10.5 μg/m3 (44) 44.0
 
March 26, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (36) 0.33 ppb (4) 37.0 μg/m3 (34) 11.1 μg/m3 (46) 46.0
 
March 26, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (31) 0.33 ppb (4) 38.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
March 26, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 46.0 ppb (35) 0.35 ppb (4) 44.0 μg/m3 (40) 11.8 μg/m3 (49) 49.0
 
March 26, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 46.0 ppb (35) 0.39 ppb (4) 45.0 μg/m3 (41) 10.9 μg/m3 (45) 45.0
 
March 26, 2019, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (41) 0.4 ppb (4) 70.0 μg/m3 (58) 17.4 μg/m3 (61) 61.0
 
March 26, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 55.0 ppb (42) 0.4 ppb (4) 102.0 μg/m3 (74) 15.9 μg/m3 (58) 74.0
 
March 26, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (43) 0.48 ppb (5) 79.0 μg/m3 (62) 11.3 μg/m3 (47) 62.0
 
March 26, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 60.0 ppb (46) 1.15 ppb (13) 87.0 μg/m3 (66) 27.2 μg/m3 (82) 82.0
 
March 26, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 74.0 ppb (57) 0.65 ppb (7) 49.0 μg/m3 (45) 21.8 μg/m3 (71) 71.0
 
March 26, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 89.0 ppb (70) 0.48 ppb (5) 52.0 μg/m3 (47) 16.9 μg/m3 (60) 70.0
 
March 25, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 93.0 ppb (73) 0.43 ppb (5) 48.0 μg/m3 (44) 12.8 μg/m3 (52) 73.0
 
March 25, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 92.0 ppb (72) 0.45 ppb (5) 50.0 μg/m3 (45) 13.6 μg/m3 (53) 72.0
 
March 25, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 89.0 ppb (70) 0.45 ppb (5) 55.0 μg/m3 (50) 12.7 μg/m3 (51) 70.0
 
March 25, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 84.0 ppb (66) 0.52 ppb (6) 60.0 μg/m3 (52) 13.7 μg/m3 (54) 66.0
 
March 25, 2019, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 86.0 ppb (68) 0.42 ppb (5) 80.0 μg/m3 (62) 22.1 μg/m3 (71) 71.0
 
March 25, 2019, 6 p.m. N/A N/A N/A N/A N/A 42.0 ppb (53) 90.0 ppb (71) 0.67 ppb (7) 57.0 μg/m3 (51) 24.2 μg/m3 (76) 76.0
 
March 25, 2019, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 62.0 ppb (48) 0.48 ppb (5) 65.0 μg/m3 (55) 14.9 μg/m3 (56) 56.0
 
March 25, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 47.0 ppb (36) 0.46 ppb (5) 92.0 μg/m3 (68) 20.8 μg/m3 (69) 69.0
 
March 25, 2019, 3 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 32.0 ppb (25) 1.05 ppb (12) 114.0 μg/m3 (80) 24.4 μg/m3 (76) 80.0
 
March 25, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) 1.34 ppb (15) 98.0 μg/m3 (72) 29.7 μg/m3 (88) 88.0
 
March 25, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (22) 1.14 ppb (13) 75.0 μg/m3 (60) 31.1 μg/m3 (91) 91.0
 
March 25, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) 0.91 ppb (10) 82.0 μg/m3 (64) 28.9 μg/m3 (86) 86.0
 
March 25, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) 0.78 ppb (9) 79.0 μg/m3 (62) 35.6 μg/m3 (100) 100.0
 
March 25, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) 0.73 ppb (8) 59.0 μg/m3 (52) 28.6 μg/m3 (85) 85.0
 
March 25, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) 0.74 ppb (8) 69.0 μg/m3 (57) 27.1 μg/m3 (82) 82.0
 
March 25, 2019, 8 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 26.0 ppb (20) 0.69 ppb (8) N/A 33.8 μg/m3 (96) 96.0
 
March 25, 2019, 7 a.m. N/A N/A N/A N/A N/A 43.0 ppb (54) 26.0 ppb (20) 0.7 ppb (8) 169.0 μg/m3 (107) 35.1 μg/m3 (99) 107.0
 
March 25, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) 1.1 ppb (12) 184.0 μg/m3 (114) 48.9 μg/m3 (134) 134.0
 
March 25, 2019, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 22.0 ppb (17) 2.3 ppb (26) 113.0 μg/m3 (79) 36.5 μg/m3 (102) 102.0
 
March 25, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 19.0 ppb (15) 1.87 ppb (21) N/A 40.5 μg/m3 (112) 112.0
 
March 25, 2019, 3 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 19.0 ppb (15) 2.05 ppb (23) 58.0 μg/m3 (52) 26.9 μg/m3 (82) 82.0
 
March 25, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (38) 0.74 ppb (8) 31.0 μg/m3 (28) 17.9 μg/m3 (63) 63.0
 
March 25, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 70.0 ppb (54) 0.41 ppb (5) 26.0 μg/m3 (24) 8.7 μg/m3 (36) 54.0
 
March 25, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 74.0 ppb (57) 0.35 ppb (4) 31.0 μg/m3 (28) 10.3 μg/m3 (43) 57.0
 
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 76.0 ppb (59) 0.37 ppb (4) 35.0 μg/m3 (32) 10.1 μg/m3 (42) 59.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 75.0 ppb (58) 0.41 ppb (5) 24.0 μg/m3 (22) 11.3 μg/m3 (47) 58.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 73.0 ppb (57) 0.37 ppb (4) 36.0 μg/m3 (33) 6.5 μg/m3 (27) 57.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 74.0 ppb (57) 0.42 ppb (5) 32.0 μg/m3 (29) 8.0 μg/m3 (33) 57.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 69.0 ppb (53) 0.38 ppb (4) 38.0 μg/m3 (35) 9.0 μg/m3 (38) 53.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 67.0 ppb (52) 0.52 ppb (6) 47.0 μg/m3 (43) 14.0 μg/m3 (54) 54.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 59.0 ppb (45) 0.45 ppb (5) 66.0 μg/m3 (56) 25.5 μg/m3 (79) 79.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A 33.0 ppb (47) 45.0 ppb (35) 0.51 ppb (6) 71.0 μg/m3 (58) 28.7 μg/m3 (86) 86.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 40.0 ppb (31) 0.81 ppb (9) 59.0 μg/m3 (52) 22.1 μg/m3 (71) 71.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 28.0 ppb (22) 0.79 ppb (9) 54.0 μg/m3 (49) 14.8 μg/m3 (56) 56.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) 0.6 ppb (7) 56.0 μg/m3 (50) 22.9 μg/m3 (73) 73.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A 12.0 ppb (17) 19.0 ppb (15) 0.56 ppb (6) 43.0 μg/m3 (39) 19.5 μg/m3 (66) 66.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 0.48 ppb (5) 65.0 μg/m3 (55) 18.8 μg/m3 (64) 64.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) 0.55 ppb (6) 81.0 μg/m3 (63) 20.7 μg/m3 (69) 69.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) 0.83 ppb (9) 67.0 μg/m3 (56) 34.0 μg/m3 (97) 97.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 0.7 ppb (8) 50.0 μg/m3 (45) 17.1 μg/m3 (61) 61.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 0.59 ppb (7) 94.0 μg/m3 (70) 21.6 μg/m3 (70) 70.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 20.0 ppb (15) 1.1 ppb (12) 115.0 μg/m3 (80) 25.3 μg/m3 (78) 80.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (14) 0.95 ppb (11) 93.0 μg/m3 (69) 19.9 μg/m3 (67) 69.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 0.86 ppb (10) 74.0 μg/m3 (60) 27.8 μg/m3 (84) 84.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (25) 1.22 ppb (14) 56.0 μg/m3 (50) 19.1 μg/m3 (65) 65.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (34) 0.8 ppb (9) 56.0 μg/m3 (50) 14.5 μg/m3 (55) 55.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 58.0 ppb (45) 0.53 ppb (6) 29.0 μg/m3 (26) 11.1 μg/m3 (46) 46.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) 0.44 ppb (5) 34.0 μg/m3 (31) 9.9 μg/m3 (41) 52.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) 0.47 ppb (5) 30.0 μg/m3 (27) 5.0 μg/m3 (21) 52.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) 0.39 ppb (4) 24.0 μg/m3 (22) 5.4 μg/m3 (23) 52.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) 0.4 ppb (4) 34.0 μg/m3 (31) 3.7 μg/m3 (15) 52.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (47) 0.4 ppb (4) 29.0 μg/m3 (26) 5.9 μg/m3 (25) 47.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 54.0 ppb (42) 0.4 ppb (4) 35.0 μg/m3 (32) 2.7 μg/m3 (11) 42.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (38) 0.42 ppb (5) 40.0 μg/m3 (36) 9.7 μg/m3 (40) 40.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 52.0 ppb (40) 0.48 ppb (5) 42.0 μg/m3 (38) 9.5 μg/m3 (40) 40.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 42.0 ppb (32) 0.5 ppb (6) 78.0 μg/m3 (62) 19.2 μg/m3 (65) 65.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 0.92 ppb (10) 94.0 μg/m3 (70) 16.7 μg/m3 (60) 70.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) 1.03 ppb (11) 75.0 μg/m3 (60) 21.7 μg/m3 (71) 71.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) 0.67 ppb (7) 50.0 μg/m3 (45) 26.3 μg/m3 (80) 80.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) 0.55 ppb (6) 54.0 μg/m3 (49) 22.3 μg/m3 (72) 72.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) 0.44 ppb (5) 38.0 μg/m3 (35) 20.9 μg/m3 (69) 69.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) 0.41 ppb (5) 29.0 μg/m3 (26) 16.1 μg/m3 (59) 59.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 0.34 ppb (4) 28.0 μg/m3 (25) 15.5 μg/m3 (57) 57.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) 0.39 ppb (4) 26.0 μg/m3 (24) 13.7 μg/m3 (54) 54.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) 0.37 ppb (4) 40.0 μg/m3 (36) 13.1 μg/m3 (52) 52.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (24) 0.42 ppb (5) 45.0 μg/m3 (41) 11.2 μg/m3 (47) 47.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (24) 0.49 ppb (5) 57.0 μg/m3 (51) 12.9 μg/m3 (52) 52.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (22) 0.52 ppb (6) 75.0 μg/m3 (60) 13.5 μg/m3 (53) 60.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (25) 0.74 ppb (8) 72.0 μg/m3 (58) 17.1 μg/m3 (61) 61.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (26) 0.75 ppb (8) 63.0 μg/m3 (54) 14.5 μg/m3 (55) 55.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (35) 0.61 ppb (7) 37.0 μg/m3 (34) 12.1 μg/m3 (50) 50.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (48) 0.46 ppb (5) 37.0 μg/m3 (34) 11.9 μg/m3 (50) 50.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (47) 0.42 ppb (5) 56.0 μg/m3 (50) 9.3 μg/m3 (39) 50.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 60.0 ppb (46) 0.45 ppb (5) 45.0 μg/m3 (41) 8.3 μg/m3 (35) 46.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (45) 0.48 ppb (5) 50.0 μg/m3 (45) 4.9 μg/m3 (20) 45.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (47) 0.5 ppb (6) 25.0 μg/m3 (23) 5.3 μg/m3 (22) 47.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 61.0 ppb (47) 0.43 ppb (5) 38.0 μg/m3 (35) 11.2 μg/m3 (47) 47.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 61.0 ppb (47) 0.48 ppb (5) 43.0 μg/m3 (39) 11.7 μg/m3 (49) 49.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 54.0 ppb (42) 0.54 ppb (6) 42.0 μg/m3 (38) 8.4 μg/m3 (35) 42.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 46.0 ppb (35) 0.53 ppb (6) 67.0 μg/m3 (56) 14.2 μg/m3 (55) 56.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 31.0 ppb (24) 0.69 ppb (8) 71.0 μg/m3 (58) 14.6 μg/m3 (56) 58.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) 0.97 ppb (11) 39.0 μg/m3 (35) 13.3 μg/m3 (53) 53.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) 0.64 ppb (7) 38.0 μg/m3 (35) 11.8 μg/m3 (49) 49.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) 0.45 ppb (5) 23.0 μg/m3 (21) 13.8 μg/m3 (54) 54.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 0.37 ppb (4) 26.0 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 20.0 ppb (15) 0.36 ppb (4) 28.0 μg/m3 (25) 14.7 μg/m3 (56) 56.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) 0.37 ppb (4) 22.0 μg/m3 (20) 14.0 μg/m3 (54) 54.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 31.0 ppb (24) 0.35 ppb (4) 20.0 μg/m3 (18) 9.2 μg/m3 (38) 38.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 41.0 ppb (32) 0.35 ppb (4) 29.0 μg/m3 (26) 10.4 μg/m3 (43) 43.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (31) 0.4 ppb (4) N/A 9.6 μg/m3 (40) 40.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 36.0 ppb (28) 0.42 ppb (5) 181.0 μg/m3 (113) 13.3 μg/m3 (53) 113.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) 0.49 ppb (5) N/A 25.3 μg/m3 (78) 78.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 30.0 ppb (23) 0.93 ppb (10) 34.0 μg/m3 (31) 20.6 μg/m3 (68) 68.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 62.0 ppb (48) 0.52 ppb (6) 54.0 μg/m3 (49) 17.2 μg/m3 (61) 61.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 68.0 ppb (52) 0.41 ppb (5) 44.0 μg/m3 (40) 13.8 μg/m3 (54) 54.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 73.0 ppb (57) 0.36 ppb (4) 32.0 μg/m3 (29) 13.3 μg/m3 (53) 57.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 70.0 ppb (54) 0.37 ppb (4) 37.0 μg/m3 (34) 8.7 μg/m3 (36) 54.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 68.0 ppb (52) 0.38 ppb (4) 31.0 μg/m3 (28) 8.9 μg/m3 (37) 52.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 67.0 ppb (52) 0.44 ppb (5) 30.0 μg/m3 (27) 5.6 μg/m3 (23) 52.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 61.0 ppb (47) 0.45 ppb (5) 37.0 μg/m3 (34) 5.1 μg/m3 (21) 47.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 59.0 ppb (45) 0.36 ppb (4) 46.0 μg/m3 (42) 4.7 μg/m3 (20) 45.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 56.0 ppb (43) 0.34 ppb (4) 48.0 μg/m3 (44) 5.0 μg/m3 (21) 44.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 54.0 ppb (42) 0.35 ppb (4) 39.0 μg/m3 (35) 7.5 μg/m3 (31) 42.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (38) 0.35 ppb (4) 38.0 μg/m3 (35) 5.6 μg/m3 (23) 38.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 40.0 ppb (31) 0.48 ppb (5) 77.0 μg/m3 (61) 12.8 μg/m3 (52) 61.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) 0.77 ppb (9) 69.0 μg/m3 (57) 15.4 μg/m3 (57) 57.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 0.89 ppb (10) 29.0 μg/m3 (26) 15.8 μg/m3 (58) 58.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) 0.45 ppb (5) 18.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) 0.31 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 33.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 45.0 ppb (35) 0.3 ppb (3) 20.0 μg/m3 (18) 13.1 μg/m3 (52) 52.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) 0.31 ppb (3) 28.0 μg/m3 (25) 6.4 μg/m3 (27) 34.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 37.0 ppb (28) 0.33 ppb (4) 38.0 μg/m3 (35) 13.9 μg/m3 (54) 54.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 25.0 ppb (19) 0.75 ppb (8) 45.0 μg/m3 (41) 14.5 μg/m3 (55) 55.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 35.0 ppb (27) 0.45 ppb (5) 59.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 39.0 ppb (30) 0.47 ppb (5) 84.0 μg/m3 (64) 20.9 μg/m3 (69) 69.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 36.0 ppb (28) 0.74 ppb (8) 100.0 μg/m3 (72) 30.9 μg/m3 (90) 90.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 38.0 ppb (29) 0.84 ppb (9) 56.0 μg/m3 (50) 23.7 μg/m3 (75) 75.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 0.68 ppb (8) 51.0 μg/m3 (46) 17.0 μg/m3 (61) 61.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (40) 0.63 ppb (7) 37.0 μg/m3 (34) 12.3 μg/m3 (51) 51.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 0.49 ppb (5) 40.0 μg/m3 (36) 10.0 μg/m3 (42) 44.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (47) 0.47 ppb (5) 43.0 μg/m3 (39) 5.9 μg/m3 (25) 47.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 63.0 ppb (48) 0.41 ppb (5) 39.0 μg/m3 (35) 7.8 μg/m3 (32) 48.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 63.0 ppb (48) 0.48 ppb (5) 39.0 μg/m3 (35) 13.6 μg/m3 (53) 53.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 62.0 ppb (48) 0.7 ppb (8) 35.0 μg/m3 (32) 8.3 μg/m3 (35) 48.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 63.0 ppb (48) 0.51 ppb (6) 45.0 μg/m3 (41) 10.3 μg/m3 (43) 48.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 64.0 ppb (49) 0.59 ppb (7) 55.0 μg/m3 (50) 20.2 μg/m3 (67) 67.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 31.0 ppb (44) 58.0 ppb (45) 0.79 ppb (9) 60.0 μg/m3 (52) 14.1 μg/m3 (54) 54.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 44.0 ppb (34) 0.57 ppb (6) 110.0 μg/m3 (78) 21.2 μg/m3 (70) 78.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 30.0 ppb (43) 27.0 ppb (21) 0.94 ppb (10) 73.0 μg/m3 (59) 27.7 μg/m3 (83) 83.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 40.0 ppb (52) 20.0 ppb (15) 1.0 ppb (11) 50.0 μg/m3 (45) 21.9 μg/m3 (71) 71.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 17.0 ppb (13) 0.47 ppb (5) 40.0 μg/m3 (36) 24.6 μg/m3 (77) 77.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 19.0 ppb (27) 17.0 ppb (13) 0.41 ppb (5) 36.0 μg/m3 (33) 19.0 μg/m3 (65) 65.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 18.0 ppb (14) 0.39 ppb (4) 54.0 μg/m3 (49) 24.1 μg/m3 (76) 76.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 39.0 ppb (52) 17.0 ppb (13) 0.54 ppb (6) 45.0 μg/m3 (41) 31.5 μg/m3 (91) 91.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 17.0 ppb (13) 0.43 ppb (5) 57.0 μg/m3 (51) 18.2 μg/m3 (63) 63.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 17.0 ppb (13) 0.41 ppb (5) 55.0 μg/m3 (50) 21.2 μg/m3 (70) 70.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 23.0 ppb (18) 0.43 ppb (5) 68.0 μg/m3 (56) 15.6 μg/m3 (58) 58.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 30.0 ppb (23) 0.55 ppb (6) 65.0 μg/m3 (55) 23.1 μg/m3 (74) 74.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (24) 0.66 ppb (7) 66.0 μg/m3 (56) 17.2 μg/m3 (61) 61.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (22) 0.55 ppb (6) 64.0 μg/m3 (54) 16.4 μg/m3 (59) 59.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) 0.84 ppb (9) 66.0 μg/m3 (56) 13.1 μg/m3 (52) 56.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (26) 1.18 ppb (13) 47.0 μg/m3 (43) 15.4 μg/m3 (57) 57.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (35) 0.73 ppb (8) 33.0 μg/m3 (30) 9.9 μg/m3 (41) 41.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 55.0 ppb (42) 0.52 ppb (6) 32.0 μg/m3 (29) 8.1 μg/m3 (34) 42.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (45) 0.45 ppb (5) 36.0 μg/m3 (33) 9.5 μg/m3 (40) 45.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (48) 0.43 ppb (5) 42.0 μg/m3 (38) 6.9 μg/m3 (29) 48.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 60.0 ppb (46) 0.55 ppb (6) 32.0 μg/m3 (29) 8.6 μg/m3 (36) 46.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (43) 0.5 ppb (6) 45.0 μg/m3 (41) 8.2 μg/m3 (34) 43.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 61.0 ppb (47) 0.42 ppb (5) 55.0 μg/m3 (50) 14.4 μg/m3 (55) 55.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 29.0 ppb (41) 63.0 ppb (48) 0.62 ppb (7) 55.0 μg/m3 (50) 20.8 μg/m3 (69) 69.0