AQSQID: 80011G013

Site Name: Estaci¢N Dif

Location: Salamanca (Irapuato), MX

Reporting: True, Located: True

Current AQI: 48.0

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
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 1.28 ppb (14) 53.0 μg/m3 (48) 10.1 μg/m3 (42) 48.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 1.27 ppb (14) 45.0 μg/m3 (41) 10.7 μg/m3 (45) 45.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 1.03 ppb (11) 40.0 μg/m3 (36) 7.9 μg/m3 (33) 36.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) 0.95 ppb (11) 42.0 μg/m3 (38) 9.7 μg/m3 (40) 40.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 40.0 ppb (31) 0.95 ppb (11) 54.0 μg/m3 (49) 11.7 μg/m3 (49) 49.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 40.0 ppb (31) 0.98 ppb (11) 28.0 μg/m3 (25) 10.7 μg/m3 (45) 45.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 40.0 ppb (31) 0.98 ppb (11) 19.0 μg/m3 (17) 10.6 μg/m3 (44) 44.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 39.0 ppb (30) 0.99 ppb (11) 24.0 μg/m3 (22) 24.1 μg/m3 (76) 76.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 40.0 ppb (31) 1.06 ppb (12) 27.0 μg/m3 (25) 26.5 μg/m3 (81) 81.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (25) 1.17 ppb (13) 37.0 μg/m3 (34) 26.2 μg/m3 (80) 80.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 1.25 ppb (14) 46.0 μg/m3 (42) 20.5 μg/m3 (68) 68.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 1.23 ppb (14) 52.0 μg/m3 (47) 18.5 μg/m3 (64) 64.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) 1.27 ppb (14) 35.0 μg/m3 (32) 21.8 μg/m3 (71) 71.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 6.0 ppb (5) 1.3 ppb (14) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (7) 1.15 ppb (13) 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 9.0 ppb (7) 1.01 ppb (11) 40.0 μg/m3 (36) 12.8 μg/m3 (52) 52.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (9) 0.99 ppb (11) 36.0 μg/m3 (33) 12.6 μg/m3 (51) 51.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) 0.97 ppb (11) 16.0 μg/m3 (15) 13.3 μg/m3 (53) 53.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (10) 1.0 ppb (11) 36.0 μg/m3 (33) 17.1 μg/m3 (61) 61.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 5.0 ppb (4) 1.11 ppb (12) 49.0 μg/m3 (45) 20.8 μg/m3 (69) 69.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 10.0 ppb (8) 1.09 ppb (12) 40.0 μg/m3 (36) 23.6 μg/m3 (75) 75.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (9) 1.17 ppb (13) 42.0 μg/m3 (38) 16.2 μg/m3 (59) 59.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 1.04 ppb (12) 39.0 μg/m3 (35) 16.6 μg/m3 (60) 60.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 1.05 ppb (12) 42.0 μg/m3 (38) 16.4 μg/m3 (59) 59.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 1.11 ppb (12) 51.0 μg/m3 (46) 18.3 μg/m3 (63) 63.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) 1.16 ppb (13) 59.0 μg/m3 (52) 10.9 μg/m3 (45) 52.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 1.03 ppb (11) 57.0 μg/m3 (51) 12.2 μg/m3 (50) 51.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 32.0 ppb (25) 1.06 ppb (12) 49.0 μg/m3 (45) 11.2 μg/m3 (47) 47.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 1.02 ppb (11) 38.0 μg/m3 (35) 17.4 μg/m3 (61) 61.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 1.02 ppb (11) 38.0 μg/m3 (35) 15.4 μg/m3 (57) 57.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) 1.04 ppb (12) 31.0 μg/m3 (28) 19.4 μg/m3 (66) 66.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) 1.03 ppb (11) 27.0 μg/m3 (25) 15.1 μg/m3 (57) 57.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 46.0 ppb (35) 1.1 ppb (12) 42.0 μg/m3 (38) 26.8 μg/m3 (81) 81.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (28) 1.21 ppb (13) 34.0 μg/m3 (31) 18.6 μg/m3 (64) 64.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 29.0 ppb (22) 1.2 ppb (13) 33.0 μg/m3 (30) 19.8 μg/m3 (67) 67.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 1.18 ppb (13) 28.0 μg/m3 (25) 17.8 μg/m3 (62) 62.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) 1.15 ppb (13) 33.0 μg/m3 (30) 12.7 μg/m3 (51) 51.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 11.0 ppb (8) 1.16 ppb (13) 24.0 μg/m3 (22) 31.0 μg/m3 (90) 90.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (12) 1.02 ppb (11) 18.0 μg/m3 (16) 18.2 μg/m3 (63) 63.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) 0.99 ppb (11) 21.0 μg/m3 (19) 22.2 μg/m3 (72) 72.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 7.0 ppb (5) 1.06 ppb (12) 25.0 μg/m3 (23) 17.7 μg/m3 (62) 62.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 8.0 ppb (6) 1.04 ppb (12) 22.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (15) 0.97 ppb (11) 24.0 μg/m3 (22) 8.2 μg/m3 (34) 34.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 0.98 ppb (11) 34.0 μg/m3 (31) 8.6 μg/m3 (36) 36.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (15) 1.01 ppb (11) 39.0 μg/m3 (35) 10.9 μg/m3 (45) 45.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 1.08 ppb (12) 33.0 μg/m3 (30) 12.7 μg/m3 (51) 51.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (16) 1.11 ppb (12) 33.0 μg/m3 (30) 12.8 μg/m3 (52) 52.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) 1.17 ppb (13) 34.0 μg/m3 (31) 13.7 μg/m3 (54) 54.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 1.14 ppb (13) 76.0 μg/m3 (60) 14.5 μg/m3 (55) 60.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (27) 1.1 ppb (12) 44.0 μg/m3 (40) 19.5 μg/m3 (66) 66.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 43.0 ppb (33) 1.03 ppb (11) 39.0 μg/m3 (35) 14.7 μg/m3 (56) 56.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 0.98 ppb (11) 25.0 μg/m3 (23) 21.3 μg/m3 (70) 70.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 47.0 ppb (36) 1.04 ppb (12) 34.0 μg/m3 (31) 25.0 μg/m3 (78) 78.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 56.0 ppb (43) 1.14 ppb (13) 42.0 μg/m3 (38) 31.2 μg/m3 (91) 91.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 60.0 ppb (46) 1.3 ppb (14) 37.0 μg/m3 (34) 25.7 μg/m3 (79) 79.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 49.0 ppb (38) 1.16 ppb (13) 33.0 μg/m3 (30) 23.0 μg/m3 (73) 73.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 48.0 ppb (37) 1.12 ppb (12) 40.0 μg/m3 (36) 35.6 μg/m3 (100) 100.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 41.0 ppb (53) 42.0 ppb (32) 1.2 ppb (13) 36.0 μg/m3 (33) 22.2 μg/m3 (72) 72.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (22) 1.24 ppb (14) 35.0 μg/m3 (32) 20.0 μg/m3 (67) 67.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 20.0 ppb (15) 1.27 ppb (14) 47.0 μg/m3 (43) 22.9 μg/m3 (73) 73.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 10.0 ppb (8) 1.37 ppb (15) 48.0 μg/m3 (44) 22.2 μg/m3 (72) 72.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (5) 1.18 ppb (13) 30.0 μg/m3 (27) 17.1 μg/m3 (61) 61.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 10.0 ppb (8) 1.02 ppb (11) 26.0 μg/m3 (24) 11.7 μg/m3 (49) 49.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (9) 0.98 ppb (11) 27.0 μg/m3 (25) 11.8 μg/m3 (49) 49.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 13.0 ppb (10) 0.99 ppb (11) 33.0 μg/m3 (30) 13.7 μg/m3 (54) 54.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) 1.05 ppb (12) 30.0 μg/m3 (27) 16.7 μg/m3 (60) 60.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) 1.02 ppb (11) 39.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (12) 1.04 ppb (12) 44.0 μg/m3 (40) 17.2 μg/m3 (61) 61.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 20.0 ppb (15) 1.03 ppb (11) 38.0 μg/m3 (35) 22.8 μg/m3 (73) 73.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 20.0 ppb (15) 1.08 ppb (12) 41.0 μg/m3 (37) 18.4 μg/m3 (64) 64.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 25.0 ppb (19) 1.04 ppb (12) 54.0 μg/m3 (49) 16.3 μg/m3 (59) 59.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 1.15 ppb (13) 80.0 μg/m3 (62) 32.2 μg/m3 (93) 93.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (6) 2.02 ppb (22) 66.0 μg/m3 (56) 23.9 μg/m3 (75) 75.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) 1.39 ppb (15) 67.0 μg/m3 (56) 24.2 μg/m3 (76) 76.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) 1.33 ppb (15) 52.0 μg/m3 (47) 25.6 μg/m3 (79) 79.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A 28.0 ppb (40) 52.0 ppb (40) 1.36 ppb (15) 51.0 μg/m3 (46) 23.9 μg/m3 (75) 75.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 55.0 ppb (42) 1.13 ppb (13) 38.0 μg/m3 (35) 22.0 μg/m3 (71) 71.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (36) 1.15 ppb (13) 38.0 μg/m3 (35) 20.5 μg/m3 (68) 68.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (34) 1.27 ppb (14) 39.0 μg/m3 (35) 27.6 μg/m3 (83) 83.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (35) 1.16 ppb (13) 31.0 μg/m3 (28) 38.1 μg/m3 (106) 106.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 38.0 ppb (29) 1.32 ppb (15) 47.0 μg/m3 (43) 27.6 μg/m3 (83) 83.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) 1.33 ppb (15) 41.0 μg/m3 (37) 22.1 μg/m3 (71) 71.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 1.28 ppb (14) 43.0 μg/m3 (39) 21.4 μg/m3 (70) 70.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 20.0 ppb (15) 1.2 ppb (13) 38.0 μg/m3 (35) 11.2 μg/m3 (47) 47.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) 1.15 ppb (13) 27.0 μg/m3 (25) 10.1 μg/m3 (42) 42.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) 1.12 ppb (12) 26.0 μg/m3 (24) 9.4 μg/m3 (39) 39.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 1.02 ppb (11) 15.0 μg/m3 (14) 7.5 μg/m3 (31) 31.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 20.0 ppb (15) 0.93 ppb (10) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 0.92 ppb (10) 14.0 μg/m3 (13) 12.2 μg/m3 (50) 50.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 0.91 ppb (10) 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 0.92 ppb (10) 21.0 μg/m3 (19) 13.5 μg/m3 (53) 53.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 24.0 ppb (18) 0.93 ppb (10) 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 24.0 ppb (18) 0.94 ppb (10) 36.0 μg/m3 (33) 11.4 μg/m3 (48) 48.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 0.99 ppb (11) 50.0 μg/m3 (45) 16.4 μg/m3 (59) 59.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 1.05 ppb (12) N/A 17.4 μg/m3 (61) 61.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 1.11 ppb (12) 157.0 μg/m3 (101) 35.5 μg/m3 (100) 101.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (15) 1.23 ppb (14) 130.0 μg/m3 (88) 17.5 μg/m3 (62) 88.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 1.37 ppb (15) 52.0 μg/m3 (47) 15.1 μg/m3 (57) 57.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 29.0 ppb (22) 1.25 ppb (14) 61.0 μg/m3 (53) 14.6 μg/m3 (56) 56.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) 1.22 ppb (14) 54.0 μg/m3 (49) 15.7 μg/m3 (58) 58.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) 1.2 ppb (13) 48.0 μg/m3 (44) 16.7 μg/m3 (60) 60.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 1.13 ppb (13) 38.0 μg/m3 (35) 23.0 μg/m3 (73) 73.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 49.0 ppb (38) 1.19 ppb (13) 49.0 μg/m3 (45) 31.2 μg/m3 (91) 91.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 1.25 ppb (14) 57.0 μg/m3 (51) 32.7 μg/m3 (94) 94.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 57.0 ppb (44) 1.22 ppb (14) 66.0 μg/m3 (56) 39.8 μg/m3 (111) 111.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 47.0 ppb (36) 1.29 ppb (14) 73.0 μg/m3 (59) 38.4 μg/m3 (107) 107.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 39.0 ppb (30) 1.28 ppb (14) 92.0 μg/m3 (68) 40.5 μg/m3 (112) 112.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (24) 1.23 ppb (14) 80.0 μg/m3 (62) 36.8 μg/m3 (103) 103.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 1.4 ppb (16) 90.0 μg/m3 (68) 37.1 μg/m3 (104) 104.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.79 ppb (20) 75.0 μg/m3 (60) 34.2 μg/m3 (97) 97.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 7.0 ppb (5) 1.25 ppb (14) 56.0 μg/m3 (50) 20.3 μg/m3 (68) 68.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.14 ppb (13) 50.0 μg/m3 (45) 20.5 μg/m3 (68) 68.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (5) 1.06 ppb (12) 40.0 μg/m3 (36) 31.2 μg/m3 (91) 91.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (12) 1.01 ppb (11) 50.0 μg/m3 (45) 27.0 μg/m3 (82) 82.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 3.0 ppb (2) 1.05 ppb (12) 54.0 μg/m3 (49) 27.1 μg/m3 (82) 82.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) 1.19 ppb (13) 57.0 μg/m3 (51) 22.6 μg/m3 (73) 73.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 1.02 ppb (11) 45.0 μg/m3 (41) 12.4 μg/m3 (51) 51.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 48.0 ppb (37) 1.02 ppb (11) 35.0 μg/m3 (32) 16.4 μg/m3 (59) 59.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 51.0 ppb (39) 1.11 ppb (12) 45.0 μg/m3 (41) 27.1 μg/m3 (82) 82.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (38) 1.06 ppb (12) 35.0 μg/m3 (32) 22.1 μg/m3 (71) 71.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 1.03 ppb (11) 39.0 μg/m3 (35) 25.5 μg/m3 (79) 79.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 38.0 ppb (29) 1.04 ppb (12) 36.0 μg/m3 (33) 25.7 μg/m3 (79) 79.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 29.0 ppb (22) 1.08 ppb (12) 54.0 μg/m3 (49) 29.0 μg/m3 (86) 86.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (10) 1.42 ppb (16) 82.0 μg/m3 (64) 38.8 μg/m3 (108) 108.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) 1.92 ppb (21) 86.0 μg/m3 (66) 36.2 μg/m3 (102) 102.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (7) 1.29 ppb (14) 53.0 μg/m3 (48) 19.2 μg/m3 (65) 65.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 7.0 ppb (5) 1.1 ppb (12) 38.0 μg/m3 (35) 23.2 μg/m3 (74) 74.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 7.0 ppb (5) 1.01 ppb (11) 32.0 μg/m3 (29) 16.7 μg/m3 (60) 60.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 9.0 ppb (7) 0.96 ppb (11) 34.0 μg/m3 (31) 17.1 μg/m3 (61) 61.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 5.0 ppb (4) 0.97 ppb (11) 31.0 μg/m3 (28) 12.4 μg/m3 (51) 51.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 10.0 ppb (8) 1.0 ppb (11) 35.0 μg/m3 (32) 10.7 μg/m3 (45) 45.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 15.0 ppb (12) 0.95 ppb (11) 43.0 μg/m3 (39) 15.4 μg/m3 (57) 57.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 0.94 ppb (10) 43.0 μg/m3 (39) 21.5 μg/m3 (70) 70.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 20.0 ppb (15) 1.01 ppb (11) 46.0 μg/m3 (42) 31.5 μg/m3 (91) 91.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (13) 1.16 ppb (13) 58.0 μg/m3 (52) 19.6 μg/m3 (66) 66.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 1.29 ppb (14) 48.0 μg/m3 (44) 18.4 μg/m3 (64) 64.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 19.0 ppb (15) 1.16 ppb (13) 57.0 μg/m3 (51) 19.6 μg/m3 (66) 66.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.95 ppb (11) 39.0 μg/m3 (35) 21.5 μg/m3 (70) 70.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 37.0 ppb (28) 0.91 ppb (10) 33.0 μg/m3 (30) 7.2 μg/m3 (30) 30.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 0.93 ppb (10) 41.0 μg/m3 (37) 24.6 μg/m3 (77) 77.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 0.93 ppb (10) 47.0 μg/m3 (43) 14.9 μg/m3 (56) 56.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 0.98 ppb (11) 33.0 μg/m3 (30) 27.9 μg/m3 (84) 84.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 40.0 ppb (31) 1.0 ppb (11) 26.0 μg/m3 (24) 34.0 μg/m3 (97) 97.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 0.99 ppb (11) 31.0 μg/m3 (28) 17.0 μg/m3 (61) 61.0
 
March 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 38.0 ppb (29) 0.99 ppb (11) 31.0 μg/m3 (28) 20.2 μg/m3 (67) 67.0
 
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 35.0 ppb (27) 0.99 ppb (11) 32.0 μg/m3 (29) 21.1 μg/m3 (69) 69.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (22) 1.01 ppb (11) 39.0 μg/m3 (35) 24.1 μg/m3 (76) 76.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 19.0 ppb (15) 1.1 ppb (12) 45.0 μg/m3 (41) 21.5 μg/m3 (70) 70.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 8.0 ppb (6) 1.2 ppb (13) 45.0 μg/m3 (41) 16.2 μg/m3 (59) 59.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 11.0 ppb (8) 1.02 ppb (11) 31.0 μg/m3 (28) 12.8 μg/m3 (52) 52.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) 0.95 ppb (11) 28.0 μg/m3 (25) 17.6 μg/m3 (62) 62.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 17.0 ppb (13) 0.93 ppb (10) 29.0 μg/m3 (26) 21.2 μg/m3 (70) 70.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 17.0 ppb (13) 0.94 ppb (10) 29.0 μg/m3 (26) 18.8 μg/m3 (64) 64.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 17.0 ppb (13) 0.96 ppb (11) 34.0 μg/m3 (31) 17.3 μg/m3 (61) 61.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 10.0 ppb (8) 0.99 ppb (11) 38.0 μg/m3 (35) 14.0 μg/m3 (54) 54.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 62.0 ppb (48) 1.17 ppb (13) 46.0 μg/m3 (42) 74.8 μg/m3 (160) 160.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 53.0 ppb (41) 1.24 ppb (14) 45.0 μg/m3 (41) 37.1 μg/m3 (104) 104.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 52.0 ppb (40) 1.18 ppb (13) 50.0 μg/m3 (45) 45.2 μg/m3 (124) 124.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) 1.15 ppb (13) 61.0 μg/m3 (53) 49.7 μg/m3 (136) 136.0
 
March 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 32.0 ppb (25) 1.2 ppb (13) 66.0 μg/m3 (56) 42.3 μg/m3 (117) 117.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) 1.22 ppb (14) 62.0 μg/m3 (54) 44.4 μg/m3 (122) 122.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (9) 1.41 ppb (16) 71.0 μg/m3 (58) 36.3 μg/m3 (102) 102.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 7.0 ppb (5) 1.36 ppb (15) 64.0 μg/m3 (54) 33.2 μg/m3 (95) 95.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 6.0 ppb (5) 1.2 ppb (13) 53.0 μg/m3 (48) 34.0 μg/m3 (97) 97.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) 0.99 ppb (11) 54.0 μg/m3 (49) 36.6 μg/m3 (103) 103.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 6.0 ppb (5) 0.98 ppb (11) 69.0 μg/m3 (57) 36.7 μg/m3 (103) 103.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 5.0 ppb (4) 1.0 ppb (11) 55.0 μg/m3 (50) 31.4 μg/m3 (91) 91.0
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 0.95 ppb (11) 50.0 μg/m3 (45) 30.2 μg/m3 (89) 89.0