AQSQID: 80011G012

Site Name: Estaci¢N Nativitas

Location: Salamanca (Benito Juarez), MX

Reporting: True, Located: True

Current AQI: 50.0

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

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (5) 3.39 ppb (38) 55.0 μg/m3 (50) N/A 50.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 12.0 ppb (9) 2.67 ppb (30) 56.0 μg/m3 (50) N/A 50.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 2.35 ppb (26) 43.0 μg/m3 (39) N/A 39.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (24) 2.3 ppb (26) 48.0 μg/m3 (44) N/A 44.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (27) 2.3 ppb (26) 70.0 μg/m3 (58) N/A 58.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 38.0 ppb (29) 2.34 ppb (26) 93.0 μg/m3 (69) N/A 69.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (29) 2.4 ppb (27) 101.0 μg/m3 (73) N/A 73.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 38.0 ppb (29) 2.38 ppb (26) 94.0 μg/m3 (70) N/A 70.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 53.0 ppb (41) 2.44 ppb (27) 72.0 μg/m3 (58) N/A 58.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (44) 2.44 ppb (27) 66.0 μg/m3 (56) N/A 56.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 61.0 ppb (47) 2.46 ppb (27) 66.0 μg/m3 (56) N/A 56.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 74.0 ppb (57) 2.3 ppb (26) 47.0 μg/m3 (43) N/A 57.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 76.0 ppb (59) 2.23 ppb (25) 36.0 μg/m3 (33) N/A 59.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 75.0 ppb (58) 2.2 ppb (24) 68.0 μg/m3 (56) N/A 58.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 74.0 ppb (57) 2.22 ppb (25) 82.0 μg/m3 (64) N/A 64.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 72.0 ppb (56) 2.23 ppb (25) 62.0 μg/m3 (54) N/A 56.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 67.0 ppb (52) 2.25 ppb (25) 69.0 μg/m3 (57) N/A 57.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 60.0 ppb (46) 2.24 ppb (25) 92.0 μg/m3 (68) N/A 68.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 54.0 ppb (42) 2.21 ppb (25) 152.0 μg/m3 (98) N/A 98.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 48.0 ppb (37) 2.24 ppb (25) 51.0 μg/m3 (46) N/A 46.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (31) 2.33 ppb (26) 28.0 μg/m3 (25) N/A 31.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) 2.52 ppb (28) 29.0 μg/m3 (26) N/A 28.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) 2.68 ppb (30) 30.0 μg/m3 (27) N/A 30.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) 2.69 ppb (30) 45.0 μg/m3 (41) N/A 41.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (12) 2.51 ppb (28) 37.0 μg/m3 (34) N/A 34.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) 2.32 ppb (26) 39.0 μg/m3 (35) N/A 35.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) 2.3 ppb (26) 36.0 μg/m3 (33) N/A 33.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) 2.32 ppb (26) 42.0 μg/m3 (38) N/A 38.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 37.0 ppb (28) 2.33 ppb (26) 50.0 μg/m3 (45) N/A 45.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (33) 2.39 ppb (27) 50.0 μg/m3 (45) N/A 45.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (33) 2.4 ppb (27) 59.0 μg/m3 (52) N/A 52.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (39) 2.43 ppb (27) 66.0 μg/m3 (56) N/A 56.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 44.0 ppb (34) 2.59 ppb (29) 63.0 μg/m3 (54) N/A 54.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 46.0 ppb (35) 2.67 ppb (30) 39.0 μg/m3 (35) N/A 35.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 74.0 ppb (57) 2.36 ppb (26) 42.0 μg/m3 (38) N/A 57.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 78.0 ppb (61) 2.37 ppb (26) 33.0 μg/m3 (30) N/A 61.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 75.0 ppb (58) 2.23 ppb (25) 26.0 μg/m3 (24) N/A 58.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 74.0 ppb (57) 2.23 ppb (25) 15.0 μg/m3 (14) N/A 57.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 69.0 ppb (53) 2.25 ppb (25) 16.0 μg/m3 (15) N/A 53.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 64.0 ppb (49) 2.25 ppb (25) 22.0 μg/m3 (20) N/A 49.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 59.0 ppb (45) 2.26 ppb (25) 20.0 μg/m3 (18) N/A 45.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 56.0 ppb (43) 2.24 ppb (25) 23.0 μg/m3 (21) N/A 43.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 51.0 ppb (39) 2.23 ppb (25) 23.0 μg/m3 (21) N/A 39.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (29) 2.31 ppb (26) 26.0 μg/m3 (24) N/A 29.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) 2.5 ppb (28) 45.0 μg/m3 (41) N/A 41.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (5) 2.76 ppb (31) 59.0 μg/m3 (52) N/A 52.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (2) 2.8 ppb (31) 63.0 μg/m3 (54) N/A 54.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (10) 2.56 ppb (28) 42.0 μg/m3 (38) N/A 38.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) 2.29 ppb (25) 28.0 μg/m3 (25) N/A 25.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (21) 2.24 ppb (25) 35.0 μg/m3 (32) N/A 32.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (23) 2.26 ppb (25) 45.0 μg/m3 (41) N/A 41.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) 2.38 ppb (26) 52.0 μg/m3 (47) N/A 47.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 33.0 ppb (25) 2.42 ppb (27) 44.0 μg/m3 (40) N/A 40.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 39.0 ppb (30) 2.41 ppb (27) 64.0 μg/m3 (54) N/A 54.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 9.0 ppb (7) 3.55 ppb (39) 73.0 μg/m3 (59) N/A 59.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) 2.72 ppb (30) 60.0 μg/m3 (52) N/A 52.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 56.0 ppb (43) 2.52 ppb (28) 37.0 μg/m3 (34) N/A 43.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 73.0 ppb (57) 2.31 ppb (26) 32.0 μg/m3 (29) N/A 57.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 2.16 ppb (24) 22.0 μg/m3 (20) N/A 38.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 74.0 ppb (57) 2.2 ppb (24) 20.0 μg/m3 (18) N/A 57.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 71.0 ppb (55) 2.2 ppb (24) 16.0 μg/m3 (15) N/A 55.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 68.0 ppb (52) 2.17 ppb (24) 19.0 μg/m3 (17) N/A 52.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 63.0 ppb (48) 2.22 ppb (25) 19.0 μg/m3 (17) N/A 48.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 2.23 ppb (25) 43.0 μg/m3 (39) N/A 44.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 51.0 ppb (39) 2.2 ppb (24) 17.0 μg/m3 (15) N/A 39.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (35) 2.22 ppb (25) 13.0 μg/m3 (12) N/A 35.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 40.0 ppb (31) 2.29 ppb (25) 29.0 μg/m3 (26) N/A 31.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 34.0 ppb (26) 2.43 ppb (27) 42.0 μg/m3 (38) N/A 38.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) 2.66 ppb (30) 53.0 μg/m3 (48) N/A 48.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 30.0 ppb (23) 2.53 ppb (28) 35.0 μg/m3 (32) N/A 32.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (35) 2.44 ppb (27) 43.0 μg/m3 (39) N/A 39.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (35) 2.35 ppb (26) 40.0 μg/m3 (36) N/A 36.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) 2.25 ppb (25) 36.0 μg/m3 (33) N/A 33.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) 2.21 ppb (25) 69.0 μg/m3 (57) N/A 57.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (26) 2.2 ppb (24) 37.0 μg/m3 (34) N/A 34.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 36.0 ppb (28) 2.22 ppb (25) 33.0 μg/m3 (30) N/A 30.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) 2.38 ppb (26) 64.0 μg/m3 (54) N/A 54.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (26) 2.54 ppb (28) 71.0 μg/m3 (58) N/A 58.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 39.0 ppb (30) 2.65 ppb (29) 65.0 μg/m3 (55) N/A 55.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 54.0 ppb (42) 2.47 ppb (27) 49.0 μg/m3 (45) N/A 45.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (47) 2.31 ppb (26) 35.0 μg/m3 (32) N/A 47.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (47) 2.23 ppb (25) 32.0 μg/m3 (29) N/A 47.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 60.0 ppb (46) 2.22 ppb (25) 36.0 μg/m3 (33) N/A 46.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (45) 2.24 ppb (25) 25.0 μg/m3 (23) N/A 45.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 65.0 ppb (50) 2.23 ppb (25) 24.0 μg/m3 (22) N/A 50.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 63.0 ppb (48) 2.28 ppb (25) 38.0 μg/m3 (35) N/A 48.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 58.0 ppb (45) 2.31 ppb (26) 38.0 μg/m3 (35) N/A 45.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) 2.32 ppb (26) 28.0 μg/m3 (25) N/A 38.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 48.0 ppb (37) 2.3 ppb (26) 28.0 μg/m3 (25) N/A 37.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) 2.37 ppb (26) 34.0 μg/m3 (31) N/A 34.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 32.0 ppb (25) 2.45 ppb (27) 33.0 μg/m3 (30) N/A 30.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) 2.53 ppb (28) 39.0 μg/m3 (35) N/A 35.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 21.0 ppb (16) 2.5 ppb (28) 38.0 μg/m3 (35) N/A 35.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 2.38 ppb (26) 32.0 μg/m3 (29) N/A 29.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 31.0 ppb (24) 2.32 ppb (26) 37.0 μg/m3 (34) N/A 34.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (26) 2.3 ppb (26) 35.0 μg/m3 (32) N/A 32.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (25) 2.32 ppb (26) 40.0 μg/m3 (36) N/A 36.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) 2.3 ppb (26) 52.0 μg/m3 (47) N/A 47.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (26) 2.45 ppb (27) 71.0 μg/m3 (58) N/A 58.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (27) 2.48 ppb (28) 82.0 μg/m3 (64) N/A 64.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (29) 2.44 ppb (27) 71.0 μg/m3 (58) N/A 58.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 2.44 ppb (27) 66.0 μg/m3 (56) N/A 56.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 2.37 ppb (26) 65.0 μg/m3 (55) N/A 55.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (52) 2.32 ppb (26) 51.0 μg/m3 (46) N/A 52.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 58.0 ppb (45) 2.25 ppb (25) 32.0 μg/m3 (29) N/A 45.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 2.23 ppb (25) 29.0 μg/m3 (26) N/A 44.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 2.22 ppb (25) 32.0 μg/m3 (29) N/A 44.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (45) 2.31 ppb (26) 30.0 μg/m3 (27) N/A 45.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (45) 2.29 ppb (25) 29.0 μg/m3 (26) N/A 45.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 55.0 ppb (42) 2.33 ppb (26) 31.0 μg/m3 (28) N/A 42.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 55.0 ppb (42) 2.33 ppb (26) 35.0 μg/m3 (32) N/A 42.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 58.0 ppb (45) 2.44 ppb (27) 41.0 μg/m3 (37) N/A 45.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) 2.5 ppb (28) 38.0 μg/m3 (35) N/A 35.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 31.0 ppb (24) 2.5 ppb (28) 49.0 μg/m3 (45) N/A 45.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 5.0 ppb (4) 2.91 ppb (32) 75.0 μg/m3 (60) N/A 60.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 4.0 ppb (3) 3.04 ppb (34) 61.0 μg/m3 (53) N/A 53.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 12.0 ppb (9) 2.44 ppb (27) 51.0 μg/m3 (46) N/A 46.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 31.0 ppb (24) 2.31 ppb (26) 37.0 μg/m3 (34) N/A 34.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 29.0 ppb (22) 2.32 ppb (26) 40.0 μg/m3 (36) N/A 36.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 2.35 ppb (26) 47.0 μg/m3 (43) N/A 43.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 27.0 ppb (21) 2.38 ppb (26) 49.0 μg/m3 (45) N/A 45.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (25) 2.35 ppb (26) 72.0 μg/m3 (58) N/A 58.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 31.0 ppb (24) 2.47 ppb (27) 72.0 μg/m3 (58) N/A 58.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) 2.41 ppb (27) 44.0 μg/m3 (40) N/A 40.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 35.0 ppb (27) 2.44 ppb (27) 42.0 μg/m3 (38) N/A 38.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 2.45 ppb (27) 36.0 μg/m3 (33) N/A 33.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (9) 2.49 ppb (28) 50.0 μg/m3 (45) N/A 45.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 38.0 ppb (29) 2.65 ppb (29) 70.0 μg/m3 (58) N/A 58.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) 2.42 ppb (27) 36.0 μg/m3 (33) N/A 33.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) 2.34 ppb (26) 42.0 μg/m3 (38) N/A 38.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) 2.29 ppb (25) 41.0 μg/m3 (37) N/A 37.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 23.0 ppb (18) 2.28 ppb (25) 49.0 μg/m3 (45) N/A 45.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 40.0 ppb (52) 20.0 ppb (15) 2.27 ppb (25) 50.0 μg/m3 (45) N/A 52.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 24.0 ppb (18) 2.29 ppb (25) 39.0 μg/m3 (35) N/A 35.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 21.0 ppb (16) 2.29 ppb (25) 58.0 μg/m3 (52) N/A 52.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) 2.7 ppb (30) 83.0 μg/m3 (64) N/A 64.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) 2.73 ppb (30) 75.0 μg/m3 (60) N/A 60.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (32) 2.56 ppb (28) 71.0 μg/m3 (58) N/A 58.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 59.0 ppb (45) 2.31 ppb (26) 40.0 μg/m3 (36) N/A 45.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 62.0 ppb (48) 2.27 ppb (25) 35.0 μg/m3 (32) N/A 48.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 61.0 ppb (47) 2.21 ppb (25) 29.0 μg/m3 (26) N/A 47.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 70.0 ppb (54) 2.27 ppb (25) 33.0 μg/m3 (30) N/A 54.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 69.0 ppb (53) 2.24 ppb (25) 34.0 μg/m3 (31) N/A 53.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 74.0 ppb (57) 2.32 ppb (26) 38.0 μg/m3 (35) N/A 57.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 71.0 ppb (55) 2.32 ppb (26) 41.0 μg/m3 (37) N/A 55.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 62.0 ppb (48) 2.3 ppb (26) 40.0 μg/m3 (36) N/A 48.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (40) 2.36 ppb (26) 42.0 μg/m3 (38) N/A 40.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) 2.42 ppb (27) 60.0 μg/m3 (52) N/A 52.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 27.0 ppb (21) 2.63 ppb (29) 87.0 μg/m3 (66) N/A 66.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 7.0 ppb (5) 2.86 ppb (32) 66.0 μg/m3 (56) N/A 56.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 2.0 ppb (2) 2.66 ppb (30) 62.0 μg/m3 (54) N/A 54.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 11.0 ppb (8) 2.46 ppb (27) 74.0 μg/m3 (60) N/A 60.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 10.0 ppb (8) 2.41 ppb (27) 57.0 μg/m3 (51) N/A 51.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 16.0 ppb (12) 2.34 ppb (26) 53.0 μg/m3 (48) N/A 48.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 23.0 ppb (18) 2.38 ppb (26) 57.0 μg/m3 (51) N/A 51.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) 2.34 ppb (26) 47.0 μg/m3 (43) N/A 43.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (12) 2.28 ppb (25) 41.0 μg/m3 (37) N/A 37.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) 2.3 ppb (26) 47.0 μg/m3 (43) N/A 43.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) 2.22 ppb (25) 49.0 μg/m3 (45) N/A 45.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (21) 2.26 ppb (25) 50.0 μg/m3 (45) N/A 45.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (23) 2.4 ppb (27) 40.0 μg/m3 (36) N/A 36.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 48.0 ppb (37) 2.15 ppb (24) 28.0 μg/m3 (25) N/A 37.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 51.0 ppb (39) 2.12 ppb (24) 21.0 μg/m3 (19) N/A 39.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 49.0 ppb (38) 2.1 ppb (23) 30.0 μg/m3 (27) N/A 38.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 52.0 ppb (40) 2.1 ppb (23) 21.0 μg/m3 (19) N/A 40.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 56.0 ppb (43) 2.11 ppb (23) 22.0 μg/m3 (20) N/A 43.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 57.0 ppb (44) 2.16 ppb (24) 23.0 μg/m3 (21) N/A 44.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 55.0 ppb (42) 2.24 ppb (25) 31.0 μg/m3 (28) N/A 42.0