AQSQID: 80011G008

Site Name: Estaci¢N Cruz Roja

Location: Salamanca, MX

Reporting: True, Located: True

Current AQI: 54.0

Salamanca MX, MX: 20.578558, -101.19886

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 44.0 ppb (54) 11.0 ppb (8) 1.14 ppb (13) 28.0 μg/m3 (25) N/A 54.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 37.0 ppb (51) 11.0 ppb (8) 1.13 ppb (13) 26.0 μg/m3 (24) N/A 51.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 34.0 ppb (49) 12.0 ppb (9) 1.13 ppb (13) 27.0 μg/m3 (25) N/A 49.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 37.0 ppb (51) 12.0 ppb (9) 1.14 ppb (13) 33.0 μg/m3 (30) N/A 51.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 33.0 ppb (47) 10.0 ppb (8) 1.18 ppb (13) 43.0 μg/m3 (39) N/A 47.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 11.0 ppb (8) 1.28 ppb (14) 42.0 μg/m3 (38) N/A 38.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (8) 1.33 ppb (15) 33.0 μg/m3 (30) N/A 30.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) 1.33 ppb (15) 32.0 μg/m3 (29) N/A 29.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 1.4 ppb (16) 42.0 μg/m3 (38) N/A 38.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 1.49 ppb (17) 49.0 μg/m3 (45) N/A 45.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) 1.6 ppb (18) 57.0 μg/m3 (51) N/A 51.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 1.62 ppb (18) 69.0 μg/m3 (57) N/A 57.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 1.48 ppb (16) 64.0 μg/m3 (54) N/A 54.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (18) 1.47 ppb (16) 43.0 μg/m3 (39) N/A 39.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 33.0 ppb (25) 1.48 ppb (16) 43.0 μg/m3 (39) N/A 39.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 35.0 ppb (27) 1.45 ppb (16) 48.0 μg/m3 (44) N/A 44.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) 1.48 ppb (16) 40.0 μg/m3 (36) N/A 36.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 49.0 ppb (38) 1.43 ppb (16) 41.0 μg/m3 (37) N/A 38.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 51.0 ppb (39) 1.44 ppb (16) 43.0 μg/m3 (39) N/A 39.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 45.0 ppb (55) 40.0 ppb (31) 1.45 ppb (16) 49.0 μg/m3 (45) N/A 55.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 23.0 ppb (18) 1.29 ppb (14) 47.0 μg/m3 (43) N/A 50.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 37.0 ppb (51) 17.0 ppb (13) 1.26 ppb (14) 53.0 μg/m3 (48) N/A 51.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 41.0 ppb (53) 14.0 ppb (11) 1.22 ppb (14) 32.0 μg/m3 (29) N/A 53.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 29.0 ppb (41) 11.0 ppb (8) 1.19 ppb (13) 31.0 μg/m3 (28) N/A 41.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 13.0 ppb (10) 1.17 ppb (13) 40.0 μg/m3 (36) N/A 50.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A 17.0 ppb (24) 16.0 ppb (12) 1.12 ppb (12) 17.0 μg/m3 (15) N/A 24.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 17.0 ppb (13) 1.13 ppb (13) 18.0 μg/m3 (16) N/A 20.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 19.0 ppb (15) 1.13 ppb (13) 20.0 μg/m3 (18) N/A 19.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 16.0 ppb (12) 1.15 ppb (13) 32.0 μg/m3 (29) N/A 33.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 15.0 ppb (12) 1.17 ppb (13) 42.0 μg/m3 (38) N/A 50.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 31.0 ppb (44) 14.0 ppb (11) 1.21 ppb (13) 51.0 μg/m3 (46) N/A 46.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 17.0 ppb (13) 1.24 ppb (14) 49.0 μg/m3 (45) N/A 50.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 29.0 ppb (41) 20.0 ppb (15) 1.27 ppb (14) 33.0 μg/m3 (30) N/A 41.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 26.0 ppb (20) 1.29 ppb (14) 30.0 μg/m3 (27) N/A 27.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (18) 1.4 ppb (16) 56.0 μg/m3 (50) N/A 50.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (25) 1.69 ppb (19) 33.0 μg/m3 (30) N/A 30.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (36) 1.46 ppb (16) 38.0 μg/m3 (35) N/A 36.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (41) 1.33 ppb (15) 32.0 μg/m3 (29) N/A 41.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) 1.39 ppb (15) 32.0 μg/m3 (29) N/A 38.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 60.0 ppb (46) 1.44 ppb (16) 44.0 μg/m3 (40) N/A 46.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 72.0 ppb (56) 1.72 ppb (19) 44.0 μg/m3 (40) N/A 56.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 67.0 ppb (52) 1.66 ppb (18) 38.0 μg/m3 (35) N/A 52.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 53.0 ppb (41) 1.94 ppb (22) 41.0 μg/m3 (37) N/A 41.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 52.0 ppb (58) 51.0 ppb (39) 2.44 ppb (27) 50.0 μg/m3 (45) N/A 58.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 48.0 ppb (56) 28.0 ppb (22) 1.37 ppb (15) 55.0 μg/m3 (50) N/A 56.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 48.0 ppb (56) 21.0 ppb (16) 1.45 ppb (16) 51.0 μg/m3 (46) N/A 56.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 32.0 ppb (46) 16.0 ppb (12) 1.29 ppb (14) 42.0 μg/m3 (38) N/A 46.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 13.0 ppb (10) 1.29 ppb (14) 34.0 μg/m3 (31) N/A 50.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 14.0 ppb (11) 1.25 ppb (14) 33.0 μg/m3 (30) N/A 50.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A 41.0 ppb (53) 13.0 ppb (10) 1.3 ppb (14) 38.0 μg/m3 (35) N/A 53.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 14.0 ppb (11) 1.19 ppb (13) 26.0 μg/m3 (24) N/A 33.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 17.0 ppb (13) 1.22 ppb (14) 40.0 μg/m3 (36) N/A 36.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 17.0 ppb (13) 1.25 ppb (14) 51.0 μg/m3 (46) N/A 46.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 18.0 ppb (14) 1.33 ppb (15) 48.0 μg/m3 (44) N/A 44.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (22) 1.31 ppb (15) 30.0 μg/m3 (27) N/A 27.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 1.46 ppb (16) 35.0 μg/m3 (32) N/A 32.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 1.55 ppb (17) 52.0 μg/m3 (47) N/A 47.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) 1.86 ppb (21) 75.0 μg/m3 (60) N/A 60.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 20.0 ppb (15) 2.11 ppb (23) 51.0 μg/m3 (46) N/A 46.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) 1.63 ppb (18) 51.0 μg/m3 (46) N/A 46.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 51.0 ppb (39) 1.47 ppb (16) 47.0 μg/m3 (43) N/A 43.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A 16.0 ppb (23) 67.0 ppb (52) 1.6 ppb (18) 49.0 μg/m3 (45) N/A 52.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 64.0 ppb (49) 1.55 ppb (17) 49.0 μg/m3 (45) N/A 49.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 58.0 ppb (45) 1.4 ppb (16) 36.0 μg/m3 (33) N/A 45.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 55.0 ppb (42) 1.36 ppb (15) 32.0 μg/m3 (29) N/A 42.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 51.0 ppb (39) 1.31 ppb (15) 39.0 μg/m3 (35) N/A 39.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 43.0 ppb (33) 1.32 ppb (15) 46.0 μg/m3 (42) N/A 42.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 31.0 ppb (24) 1.43 ppb (16) 42.0 μg/m3 (38) N/A 50.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 38.0 ppb (51) 23.0 ppb (18) 1.56 ppb (17) 38.0 μg/m3 (35) N/A 51.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 37.0 ppb (51) 20.0 ppb (15) 1.51 ppb (17) 34.0 μg/m3 (31) N/A 51.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 46.0 ppb (55) 19.0 ppb (15) 1.67 ppb (19) 25.0 μg/m3 (23) N/A 55.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 41.0 ppb (53) 16.0 ppb (12) 1.18 ppb (13) 25.0 μg/m3 (23) N/A 53.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 39.0 ppb (52) 17.0 ppb (13) 1.16 ppb (13) 26.0 μg/m3 (24) N/A 52.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A 37.0 ppb (51) 18.0 ppb (14) 1.14 ppb (13) 23.0 μg/m3 (21) N/A 51.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 19.0 ppb (15) 1.14 ppb (13) 28.0 μg/m3 (25) N/A 50.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 20.0 ppb (15) 1.17 ppb (13) 27.0 μg/m3 (25) N/A 50.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 33.0 ppb (47) 19.0 ppb (15) 1.2 ppb (13) 24.0 μg/m3 (22) N/A 47.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 24.0 ppb (18) 1.4 ppb (16) 27.0 μg/m3 (25) N/A 30.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 30.0 ppb (43) 21.0 ppb (16) 2.43 ppb (27) 38.0 μg/m3 (35) N/A 43.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 23.0 ppb (18) 2.15 ppb (24) 43.0 μg/m3 (39) N/A 39.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 25.0 ppb (19) 2.26 ppb (25) 49.0 μg/m3 (45) N/A 45.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 23.0 ppb (18) 1.57 ppb (17) 113.0 μg/m3 (79) N/A 79.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 21.0 ppb (16) 1.39 ppb (15) 134.0 μg/m3 (90) N/A 90.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) 1.63 ppb (18) 62.0 μg/m3 (54) N/A 54.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 1.57 ppb (17) 60.0 μg/m3 (52) N/A 52.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 32.0 ppb (25) 1.46 ppb (16) 53.0 μg/m3 (48) N/A 48.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) 1.42 ppb (16) 91.0 μg/m3 (68) N/A 68.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 47.0 ppb (36) 1.36 ppb (15) 145.0 μg/m3 (95) N/A 95.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (43) 1.34 ppb (15) 91.0 μg/m3 (68) N/A 68.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 66.0 ppb (51) 1.32 ppb (15) 68.0 μg/m3 (56) N/A 56.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 58.0 ppb (45) 1.37 ppb (15) 231.0 μg/m3 (138) N/A 138.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 49.0 ppb (38) 1.4 ppb (16) 94.0 μg/m3 (70) N/A 70.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 35.0 ppb (27) 1.39 ppb (15) 86.0 μg/m3 (66) N/A 66.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 28.0 ppb (40) N/A 1.44 ppb (16) 64.0 μg/m3 (54) N/A 54.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 18.0 ppb (14) 2.25 ppb (25) 72.0 μg/m3 (58) N/A 58.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 8.0 ppb (6) 1.98 ppb (22) 69.0 μg/m3 (57) N/A 57.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (5) 1.74 ppb (19) 56.0 μg/m3 (50) N/A 50.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.46 ppb (16) 49.0 μg/m3 (45) N/A 45.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) 1.34 ppb (15) 41.0 μg/m3 (37) N/A 37.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 12.0 ppb (9) 1.28 ppb (14) 49.0 μg/m3 (45) N/A 45.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 13.0 ppb (10) 1.29 ppb (14) 37.0 μg/m3 (34) N/A 34.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (8) 1.29 ppb (14) 46.0 μg/m3 (42) N/A 42.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.38 ppb (15) 41.0 μg/m3 (37) N/A 37.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 58.0 ppb (45) 1.44 ppb (16) 32.0 μg/m3 (29) N/A 45.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 66.0 ppb (51) 1.4 ppb (16) 40.0 μg/m3 (36) N/A 51.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 61.0 ppb (47) 1.41 ppb (16) 38.0 μg/m3 (35) N/A 47.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 52.0 ppb (40) 1.38 ppb (15) 37.0 μg/m3 (34) N/A 40.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 1.45 ppb (16) 46.0 μg/m3 (42) N/A 42.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 1.78 ppb (20) 76.0 μg/m3 (60) N/A 60.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 2.03 ppb (23) 81.0 μg/m3 (63) N/A 63.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (13) 2.39 ppb (27) 65.0 μg/m3 (55) N/A 55.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 13.0 ppb (10) 1.66 ppb (18) 39.0 μg/m3 (35) N/A 35.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) 1.37 ppb (15) 39.0 μg/m3 (35) N/A 35.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (16) 1.27 ppb (14) 31.0 μg/m3 (28) N/A 28.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 32.0 ppb (25) 1.23 ppb (14) 32.0 μg/m3 (29) N/A 29.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) 1.25 ppb (14) 35.0 μg/m3 (32) N/A 32.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 31.0 ppb (24) 1.26 ppb (14) 39.0 μg/m3 (35) N/A 35.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 1.29 ppb (14) 29.0 μg/m3 (26) N/A 26.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) 1.34 ppb (15) 36.0 μg/m3 (33) N/A 33.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 1.45 ppb (16) 42.0 μg/m3 (38) N/A 38.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 19.0 ppb (15) 1.72 ppb (19) 59.0 μg/m3 (52) N/A 52.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 1.94 ppb (22) 68.0 μg/m3 (56) N/A 56.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 12.0 ppb (9) 2.03 ppb (23) 49.0 μg/m3 (45) N/A 45.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 1.73 ppb (19) 46.0 μg/m3 (42) N/A 42.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 32.0 ppb (25) 1.51 ppb (17) 35.0 μg/m3 (32) N/A 32.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 1.46 ppb (16) 43.0 μg/m3 (39) N/A 39.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 35.0 ppb (27) 1.45 ppb (16) 43.0 μg/m3 (39) N/A 39.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) 1.52 ppb (17) 35.0 μg/m3 (32) N/A 32.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) 1.52 ppb (17) 35.0 μg/m3 (32) N/A 32.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 1.49 ppb (17) 37.0 μg/m3 (34) N/A 34.0
 
March 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) 1.45 ppb (16) 31.0 μg/m3 (28) N/A 28.0
 
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 1.52 ppb (17) 96.0 μg/m3 (70) N/A 70.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) 1.68 ppb (19) 58.0 μg/m3 (52) N/A 52.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 1.84 ppb (20) 49.0 μg/m3 (45) N/A 45.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (14) 2.08 ppb (23) 57.0 μg/m3 (51) N/A 51.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (12) 1.57 ppb (17) 37.0 μg/m3 (34) N/A 34.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 1.24 ppb (14) 27.0 μg/m3 (25) N/A 25.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 24.0 ppb (18) 1.2 ppb (13) 29.0 μg/m3 (26) N/A 26.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) 1.21 ppb (13) 29.0 μg/m3 (26) N/A 26.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 1.25 ppb (14) 34.0 μg/m3 (31) N/A 31.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (16) 1.26 ppb (14) 37.0 μg/m3 (34) N/A 34.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 77.0 ppb (60) 1.42 ppb (16) 44.0 μg/m3 (40) N/A 60.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 71.0 ppb (55) 1.51 ppb (17) 60.0 μg/m3 (52) N/A 55.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 68.0 ppb (52) 1.66 ppb (18) 63.0 μg/m3 (54) N/A 54.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 30.0 ppb (43) 45.0 ppb (35) 1.4 ppb (16) 62.0 μg/m3 (54) N/A 54.0
 
March 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 32.0 ppb (25) 1.31 ppb (15) 70.0 μg/m3 (58) N/A 58.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 28.0 ppb (40) 24.0 ppb (18) 1.36 ppb (15) 67.0 μg/m3 (56) N/A 56.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 11.0 ppb (8) 1.52 ppb (17) 58.0 μg/m3 (52) N/A 52.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 14.0 ppb (11) 2.01 ppb (22) 56.0 μg/m3 (50) N/A 50.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 14.0 ppb (11) 2.6 ppb (29) 46.0 μg/m3 (42) N/A 42.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 1.34 ppb (15) 48.0 μg/m3 (44) N/A 44.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 10.0 ppb (8) 1.25 ppb (14) 54.0 μg/m3 (49) N/A 49.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 9.0 ppb (7) 1.29 ppb (14) 62.0 μg/m3 (54) N/A 54.0
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (16) 1.3 ppb (14) 50.0 μg/m3 (45) N/A 45.0
 
March 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 1.3 ppb (14) 51.0 μg/m3 (46) N/A 46.0
 
March 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 1.37 ppb (15) 48.0 μg/m3 (44) N/A 44.0
 
March 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 1.45 ppb (16) 52.0 μg/m3 (47) N/A 47.0
 
March 12, 2019, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 1.66 ppb (18) 54.0 μg/m3 (49) N/A 49.0
 
March 12, 2019, 4 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 28.0 ppb (22) 1.84 ppb (20) 62.0 μg/m3 (54) N/A 54.0
 
March 12, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 1.72 ppb (19) 72.0 μg/m3 (58) N/A 58.0
 
March 12, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (13) 2.05 ppb (23) 70.0 μg/m3 (58) N/A 58.0
 
March 12, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (24) 1.76 ppb (20) 51.0 μg/m3 (46) N/A 46.0
 
March 12, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 1.58 ppb (18) 54.0 μg/m3 (49) N/A 49.0
 
March 11, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 68.0 ppb (52) 1.47 ppb (16) 48.0 μg/m3 (44) N/A 52.0
 
March 11, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 80.0 ppb (62) 1.38 ppb (15) 55.0 μg/m3 (50) N/A 62.0
 
March 11, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 86.0 ppb (68) 1.4 ppb (16) 47.0 μg/m3 (43) N/A 68.0
 
March 11, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 70.0 ppb (54) 1.4 ppb (16) 52.0 μg/m3 (47) N/A 54.0
 
March 11, 2019, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 64.0 ppb (49) 1.44 ppb (16) 59.0 μg/m3 (52) N/A 52.0