AQSQID: 80011G012

Site Name: Estaci¢N Nativitas

Location: Salamanca (Benito Juarez), MX

Reporting: True, Located: True

Current AQI: 35.0

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
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 45.0 ppb (35) 1.16 ppb (13) 16.0 μg/m3 (15) N/A 35.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) 1.2 ppb (13) 18.0 μg/m3 (16) N/A 28.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 23.0 ppb (18) 1.28 ppb (14) 39.0 μg/m3 (35) N/A 35.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 10.0 ppb (8) 1.48 ppb (16) 44.0 μg/m3 (40) N/A 40.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) 1.44 ppb (16) 40.0 μg/m3 (36) N/A 36.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.27 ppb (14) 26.0 μg/m3 (24) N/A 24.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 6.0 ppb (5) 1.13 ppb (13) 23.0 μg/m3 (21) N/A 21.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 7.0 ppb (5) 1.12 ppb (12) 21.0 μg/m3 (19) N/A 19.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 8.0 ppb (6) 1.09 ppb (12) 25.0 μg/m3 (23) N/A 23.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 8.0 ppb (6) 1.08 ppb (12) 15.0 μg/m3 (14) N/A 14.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 15.0 ppb (12) 1.05 ppb (12) 18.0 μg/m3 (16) N/A 16.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 25.0 ppb (19) 1.11 ppb (12) 26.0 μg/m3 (24) N/A 24.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) 1.13 ppb (13) 27.0 μg/m3 (25) N/A 25.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) 1.1 ppb (12) 28.0 μg/m3 (25) N/A 25.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 1.07 ppb (12) 32.0 μg/m3 (29) N/A 29.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 1.09 ppb (12) 43.0 μg/m3 (39) N/A 39.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 30.0 ppb (23) 1.17 ppb (13) 43.0 μg/m3 (39) N/A 39.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) 1.11 ppb (12) 25.0 μg/m3 (23) N/A 33.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (36) 1.05 ppb (12) 18.0 μg/m3 (16) N/A 36.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 1.11 ppb (12) 33.0 μg/m3 (30) N/A 35.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 1.05 ppb (12) 25.0 μg/m3 (23) N/A 35.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 43.0 ppb (33) 1.11 ppb (12) 11.0 μg/m3 (10) N/A 33.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 46.0 ppb (35) 1.15 ppb (13) 9.0 μg/m3 (8) N/A 35.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 47.0 ppb (36) 1.11 ppb (12) 12.0 μg/m3 (11) N/A 36.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 40.0 ppb (31) 1.14 ppb (13) 19.0 μg/m3 (17) N/A 31.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 1.23 ppb (14) 19.0 μg/m3 (17) N/A 23.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 1.19 ppb (13) 22.0 μg/m3 (20) N/A 20.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 18.0 ppb (14) 1.22 ppb (14) 18.0 μg/m3 (16) N/A 16.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) 1.27 ppb (14) 23.0 μg/m3 (21) N/A 21.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 1.28 ppb (14) 18.0 μg/m3 (16) N/A 16.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) 1.11 ppb (12) 29.0 μg/m3 (26) N/A 26.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 18.0 ppb (14) 1.05 ppb (12) 9.0 μg/m3 (8) N/A 14.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 22.0 ppb (17) 1.03 ppb (11) 10.0 μg/m3 (9) N/A 17.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 1.03 ppb (11) 11.0 μg/m3 (10) N/A 18.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 1.03 ppb (11) 7.0 μg/m3 (6) N/A 19.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 26.0 ppb (20) 1.03 ppb (11) 15.0 μg/m3 (14) N/A 20.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 25.0 ppb (19) 1.04 ppb (12) 25.0 μg/m3 (23) N/A 23.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) 1.1 ppb (12) 48.0 μg/m3 (44) N/A 44.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) 1.1 ppb (12) 67.0 μg/m3 (56) N/A 56.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 23.0 ppb (18) 1.37 ppb (15) 45.0 μg/m3 (41) N/A 41.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 31.0 ppb (24) 1.52 ppb (17) 34.0 μg/m3 (31) N/A 31.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (37) 1.23 ppb (14) 16.0 μg/m3 (15) N/A 37.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 53.0 ppb (41) 1.0 ppb (11) 23.0 μg/m3 (21) N/A 41.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 53.0 ppb (41) 1.02 ppb (11) 18.0 μg/m3 (16) N/A 41.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 51.0 ppb (39) 1.03 ppb (11) 13.0 μg/m3 (12) N/A 39.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 46.0 ppb (35) 1.01 ppb (11) 7.0 μg/m3 (6) N/A 35.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 48.0 ppb (37) 1.04 ppb (12) 13.0 μg/m3 (12) N/A 37.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 1.08 ppb (12) 25.0 μg/m3 (23) N/A 35.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 41.0 ppb (32) 1.1 ppb (12) 20.0 μg/m3 (18) N/A 32.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 36.0 ppb (28) 1.1 ppb (12) 15.0 μg/m3 (14) N/A 28.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 33.0 ppb (25) 1.12 ppb (12) 60.0 μg/m3 (52) N/A 52.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) 1.13 ppb (13) 157.0 μg/m3 (101) N/A 101.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 20.0 ppb (15) 1.19 ppb (13) 13.0 μg/m3 (12) N/A 15.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 1.12 ppb (12) 17.0 μg/m3 (15) N/A 18.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 27.0 ppb (21) 1.01 ppb (11) 7.0 μg/m3 (6) N/A 21.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 28.0 ppb (22) 0.99 ppb (11) 7.0 μg/m3 (6) N/A 22.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 27.0 ppb (21) 0.98 ppb (11) 10.0 μg/m3 (9) N/A 21.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (22) 0.98 ppb (11) 11.0 μg/m3 (10) N/A 22.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (21) 0.98 ppb (11) 18.0 μg/m3 (16) N/A 21.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) 1.0 ppb (11) 26.0 μg/m3 (24) N/A 24.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) 1.01 ppb (11) 50.0 μg/m3 (45) N/A 45.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 23.0 ppb (18) 1.22 ppb (14) N/A N/A 50.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 34.0 ppb (26) 1.25 ppb (14) 133.0 μg/m3 (89) N/A 89.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) 1.27 ppb (14) N/A N/A 25.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 40.0 ppb (31) 1.23 ppb (14) 65.0 μg/m3 (55) N/A 55.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 46.0 ppb (35) 1.09 ppb (12) 57.0 μg/m3 (51) N/A 51.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 50.0 ppb (38) 1.04 ppb (12) 30.0 μg/m3 (27) N/A 38.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) 1.01 ppb (11) 17.0 μg/m3 (15) N/A 38.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 48.0 ppb (37) 0.99 ppb (11) 18.0 μg/m3 (16) N/A 37.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 46.0 ppb (35) 1.03 ppb (11) 12.0 μg/m3 (11) N/A 35.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 52.0 ppb (40) 1.1 ppb (12) 17.0 μg/m3 (15) N/A 40.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 32.0 ppb (46) 57.0 ppb (44) 1.19 ppb (13) 30.0 μg/m3 (27) N/A 46.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 30.0 ppb (43) 43.0 ppb (33) 1.16 ppb (13) 18.0 μg/m3 (16) N/A 43.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 32.0 ppb (25) 1.09 ppb (12) 19.0 μg/m3 (17) N/A 25.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (18) 1.15 ppb (13) 23.0 μg/m3 (21) N/A 21.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) 1.17 ppb (13) 27.0 μg/m3 (25) N/A 25.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (7) 1.23 ppb (14) 54.0 μg/m3 (49) N/A 49.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 5.0 ppb (4) 1.13 ppb (13) 86.0 μg/m3 (66) N/A 66.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 12.0 ppb (17) 6.0 ppb (5) 1.05 ppb (12) 19.0 μg/m3 (17) N/A 17.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) 1.02 ppb (11) 14.0 μg/m3 (13) N/A 13.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 9.0 ppb (7) 1.02 ppb (11) 23.0 μg/m3 (21) N/A 21.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 13.0 ppb (10) 1.02 ppb (11) 17.0 μg/m3 (15) N/A 16.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 13.0 ppb (10) 1.02 ppb (11) 29.0 μg/m3 (26) N/A 26.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 9.0 ppb (7) 1.21 ppb (13) 24.0 μg/m3 (22) N/A 50.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 8.0 ppb (6) 1.13 ppb (13) 28.0 μg/m3 (25) N/A 29.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (12) 1.09 ppb (12) 40.0 μg/m3 (36) N/A 36.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) 1.11 ppb (12) 40.0 μg/m3 (36) N/A 36.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (13) 1.31 ppb (15) 39.0 μg/m3 (35) N/A 35.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) 1.21 ppb (13) 39.0 μg/m3 (35) N/A 35.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 42.0 ppb (32) 0.99 ppb (11) 18.0 μg/m3 (16) N/A 32.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 45.0 ppb (35) 0.95 ppb (11) 23.0 μg/m3 (21) N/A 35.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 45.0 ppb (35) 0.97 ppb (11) 26.0 μg/m3 (24) N/A 35.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 0.98 ppb (11) 18.0 μg/m3 (16) N/A 35.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 43.0 ppb (33) 0.98 ppb (11) 13.0 μg/m3 (12) N/A 33.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 45.0 ppb (35) 1.1 ppb (12) 16.0 μg/m3 (15) N/A 35.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) 1.1 ppb (12) 14.0 μg/m3 (13) N/A 34.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (29) 1.08 ppb (12) 14.0 μg/m3 (13) N/A 29.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (23) 1.11 ppb (12) 16.0 μg/m3 (15) N/A 23.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) 1.14 ppb (13) 13.0 μg/m3 (12) N/A 17.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) 1.16 ppb (13) 16.0 μg/m3 (15) N/A 15.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 10.0 ppb (8) 1.17 ppb (13) 13.0 μg/m3 (12) N/A 13.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 12.0 ppb (9) 1.1 ppb (12) 16.0 μg/m3 (15) N/A 15.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) 1.01 ppb (11) 20.0 μg/m3 (18) N/A 18.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 0.98 ppb (11) 11.0 μg/m3 (10) N/A 13.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) 0.97 ppb (11) 13.0 μg/m3 (12) N/A 12.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (11) 0.98 ppb (11) 19.0 μg/m3 (17) N/A 17.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 8.0 ppb (6) 1.09 ppb (12) 32.0 μg/m3 (29) N/A 29.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (9) 1.23 ppb (14) 26.0 μg/m3 (24) N/A 24.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 18.0 ppb (14) 1.15 ppb (13) 39.0 μg/m3 (35) N/A 35.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 1.06 ppb (12) 27.0 μg/m3 (25) N/A 25.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) 1.11 ppb (12) 42.0 μg/m3 (38) N/A 38.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 1.07 ppb (12) 37.0 μg/m3 (34) N/A 34.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 29.0 ppb (22) 1.05 ppb (12) 45.0 μg/m3 (41) N/A 41.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (27) 1.0 ppb (11) 52.0 μg/m3 (47) N/A 47.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) 0.98 ppb (11) 47.0 μg/m3 (43) N/A 43.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) 0.99 ppb (11) 40.0 μg/m3 (36) N/A 36.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 0.98 ppb (11) 21.0 μg/m3 (19) N/A 35.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 49.0 ppb (38) 1.02 ppb (11) 20.0 μg/m3 (18) N/A 38.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 54.0 ppb (42) 1.05 ppb (12) 21.0 μg/m3 (19) N/A 42.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 51.0 ppb (39) 1.15 ppb (13) 26.0 μg/m3 (24) N/A 39.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 31.0 ppb (44) 43.0 ppb (33) 1.1 ppb (12) 12.0 μg/m3 (11) N/A 44.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) 1.04 ppb (12) 9.0 μg/m3 (8) N/A 25.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) 1.05 ppb (12) 10.0 μg/m3 (9) N/A 18.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 18.0 ppb (14) 1.08 ppb (12) 10.0 μg/m3 (9) N/A 14.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 13.0 ppb (10) 1.06 ppb (12) 16.0 μg/m3 (15) N/A 15.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) 1.05 ppb (12) 14.0 μg/m3 (13) N/A 13.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 18.0 ppb (14) 0.97 ppb (11) 12.0 μg/m3 (11) N/A 14.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (12) 0.98 ppb (11) 17.0 μg/m3 (15) N/A 15.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 18.0 ppb (14) 0.98 ppb (11) 10.0 μg/m3 (9) N/A 14.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 0.95 ppb (11) 9.0 μg/m3 (8) N/A 18.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) 0.96 ppb (11) 15.0 μg/m3 (14) N/A 18.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 22.0 ppb (17) 0.97 ppb (11) 21.0 μg/m3 (19) N/A 19.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (18) 1.01 ppb (11) 18.0 μg/m3 (16) N/A 18.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) 1.04 ppb (12) 20.0 μg/m3 (18) N/A 20.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 1.05 ppb (12) 18.0 μg/m3 (16) N/A 23.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 0.97 ppb (11) 47.0 μg/m3 (43) N/A 43.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (31) 1.17 ppb (13) 35.0 μg/m3 (32) N/A 32.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) 1.13 ppb (13) 28.0 μg/m3 (25) N/A 35.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 49.0 ppb (38) 1.05 ppb (12) 27.0 μg/m3 (25) N/A 38.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 55.0 ppb (42) 1.03 ppb (11) 24.0 μg/m3 (22) N/A 42.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 66.0 ppb (51) 1.32 ppb (15) 33.0 μg/m3 (30) N/A 51.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 64.0 ppb (49) 1.37 ppb (15) 26.0 μg/m3 (24) N/A 49.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 54.0 ppb (42) 1.07 ppb (12) 21.0 μg/m3 (19) N/A 42.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 43.0 ppb (54) 54.0 ppb (42) 1.3 ppb (14) 25.0 μg/m3 (23) N/A 54.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 85.0 ppb (73) 46.0 ppb (35) 1.58 ppb (18) 11.0 μg/m3 (10) N/A 73.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) 1.11 ppb (12) 15.0 μg/m3 (14) N/A 25.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 1.12 ppb (12) 12.0 μg/m3 (11) N/A 17.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) 1.14 ppb (13) 18.0 μg/m3 (16) N/A 16.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (7) 1.1 ppb (12) 24.0 μg/m3 (22) N/A 22.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (8) 1.0 ppb (11) 18.0 μg/m3 (16) N/A 16.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 11.0 ppb (8) 0.97 ppb (11) 21.0 μg/m3 (19) N/A 19.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) 0.96 ppb (11) 14.0 μg/m3 (13) N/A 13.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (12) 0.99 ppb (11) 15.0 μg/m3 (14) N/A 14.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 16.0 ppb (12) 1.0 ppb (11) 18.0 μg/m3 (16) N/A 16.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) 1.01 ppb (11) 32.0 μg/m3 (29) N/A 29.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) 1.0 ppb (11) 31.0 μg/m3 (28) N/A 28.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 27.0 ppb (21) 1.04 ppb (12) 26.0 μg/m3 (24) N/A 24.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 27.0 ppb (21) 1.05 ppb (12) 36.0 μg/m3 (33) N/A 33.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 27.0 ppb (21) 1.19 ppb (13) 63.0 μg/m3 (54) N/A 54.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 20.0 ppb (15) 1.6 ppb (18) 53.0 μg/m3 (48) N/A 48.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 27.0 ppb (21) 1.39 ppb (15) 39.0 μg/m3 (35) N/A 35.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) 1.13 ppb (13) 35.0 μg/m3 (32) N/A 32.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A 26.0 ppb (37) 53.0 ppb (41) 1.18 ppb (13) 36.0 μg/m3 (33) N/A 41.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 57.0 ppb (44) 1.1 ppb (12) 28.0 μg/m3 (25) N/A 44.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 55.0 ppb (42) 1.0 ppb (11) 10.0 μg/m3 (9) N/A 42.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 52.0 ppb (40) 1.0 ppb (11) N/A N/A 40.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 51.0 ppb (39) 0.98 ppb (11) 23.0 μg/m3 (21) N/A 39.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 46.0 ppb (35) 1.02 ppb (11) 6.0 μg/m3 (5) N/A 35.0