AQSQID: 80011G008

Site Name: Estaci¢N Cruz Roja

Location: Salamanca, MX

Reporting: False, Located: True

Current AQI: None

Salamanca MX, MX: 20.578558, -101.19886

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A 95.0 ppb (77) 35.0 ppb (27) 0.87 ppb (10) 42.0 μg/m3 (38) N/A 77.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A 108.0 ppb (83) 43.0 ppb (33) 2.29 ppb (25) 38.0 μg/m3 (35) N/A 83.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 49.0 ppb (38) 0.63 ppb (7) 42.0 μg/m3 (38) N/A 38.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A 14.0 ppb (20) 48.0 ppb (37) 0.72 ppb (8) 47.0 μg/m3 (43) N/A 43.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 50.0 ppb (38) 0.77 ppb (9) 80.0 μg/m3 (62) N/A 62.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A 33.0 ppb (47) 72.0 ppb (56) 1.0 ppb (11) 57.0 μg/m3 (51) N/A 56.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 68.0 ppb (52) 1.08 ppb (12) 61.0 μg/m3 (53) N/A 53.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 44.0 ppb (54) 59.0 ppb (45) 1.14 ppb (13) 59.0 μg/m3 (52) N/A 54.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A 45.0 ppb (55) 65.0 ppb (50) 0.81 ppb (9) 60.0 μg/m3 (52) N/A 55.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A 45.0 ppb (55) 6.0 ppb (5) 0.76 ppb (8) 61.0 μg/m3 (53) N/A 55.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A 60.0 ppb (61) 33.0 ppb (25) 0.77 ppb (9) 60.0 μg/m3 (52) N/A 61.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A 64.0 ppb (63) 51.0 ppb (39) 0.77 ppb (9) 49.0 μg/m3 (45) N/A 63.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 60.0 ppb (61) 50.0 ppb (38) 0.73 ppb (8) 43.0 μg/m3 (39) N/A 61.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A 93.0 ppb (76) 29.0 ppb (22) 1.25 ppb (14) 65.0 μg/m3 (55) N/A 76.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A 102.0 ppb (80) 15.0 ppb (12) 1.11 ppb (12) 67.0 μg/m3 (56) N/A 80.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A 132.0 ppb (94) 19.0 ppb (15) 1.16 ppb (13) 56.0 μg/m3 (50) N/A 94.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 34.0 ppb (49) 54.0 ppb (42) 0.95 ppb (11) 34.0 μg/m3 (31) N/A 49.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 56.0 ppb (43) 0.64 ppb (7) 41.0 μg/m3 (37) N/A 43.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 47.0 ppb (55) 50.0 ppb (38) 1.09 ppb (12) 45.0 μg/m3 (41) N/A 55.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 133.0 ppb (95) 52.0 ppb (40) 1.02 ppb (11) 52.0 μg/m3 (47) N/A 95.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 91.0 ppb (75) 44.0 ppb (34) 1.72 ppb (19) 67.0 μg/m3 (56) N/A 75.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 137.0 ppb (96) 55.0 ppb (42) 1.03 ppb (11) 60.0 μg/m3 (52) N/A 96.0
 
May 24, 2019, 4 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 69.0 ppb (53) 0.69 ppb (8) 78.0 μg/m3 (62) N/A 62.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 77.0 ppb (60) 0.61 ppb (7) 107.0 μg/m3 (76) N/A 76.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 92.0 ppb (72) 0.67 ppb (7) 68.0 μg/m3 (56) N/A 72.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 103.0 ppb (82) 0.88 ppb (10) 62.0 μg/m3 (54) N/A 82.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A 22.0 ppb (31) 121.0 ppb (97) 0.99 ppb (11) 62.0 μg/m3 (54) N/A 97.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 132.0 ppb (109) 0.9 ppb (10) 62.0 μg/m3 (54) N/A 109.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 30.0 ppb (43) 137.0 ppb (115) 0.96 ppb (11) 57.0 μg/m3 (51) N/A 115.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 39.0 ppb (52) 135.0 ppb (113) 1.1 ppb (12) 62.0 μg/m3 (54) N/A 113.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 47.0 ppb (55) 135.0 ppb (113) 1.1 ppb (12) 60.0 μg/m3 (52) N/A 113.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 29.0 ppb (41) 115.0 ppb (92) 1.09 ppb (12) 50.0 μg/m3 (45) N/A 92.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 98.0 ppb (78) 0.83 ppb (9) 48.0 μg/m3 (44) N/A 78.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 84.0 ppb (66) 0.89 ppb (10) 58.0 μg/m3 (52) N/A 66.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 58.0 ppb (45) 1.05 ppb (12) 72.0 μg/m3 (58) N/A 58.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 33.0 ppb (25) 0.98 ppb (11) 74.0 μg/m3 (60) N/A 60.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 16.0 ppb (12) 1.29 ppb (14) 71.0 μg/m3 (58) N/A 58.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 11.0 ppb (8) 1.28 ppb (14) 69.0 μg/m3 (57) N/A 57.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A 20.0 ppb (29) 8.0 ppb (6) 1.03 ppb (11) 56.0 μg/m3 (50) N/A 50.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 39.0 ppb (30) 0.78 ppb (9) 49.0 μg/m3 (45) N/A 45.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 37.0 ppb (28) 0.83 ppb (9) 45.0 μg/m3 (41) N/A 41.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 52.0 ppb (40) 0.74 ppb (8) 49.0 μg/m3 (45) N/A 45.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 56.0 ppb (43) 0.71 ppb (8) 43.0 μg/m3 (39) N/A 43.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 63.0 ppb (48) 0.77 ppb (9) 48.0 μg/m3 (44) N/A 50.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 66.0 ppb (64) 68.0 ppb (52) 0.97 ppb (11) 66.0 μg/m3 (56) N/A 64.0
 
May 23, 2019, 4 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 75.0 ppb (58) 0.72 ppb (8) N/A N/A 58.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 81.0 ppb (63) 0.73 ppb (8) 135.0 μg/m3 (90) N/A 90.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 76.0 ppb (59) 0.9 ppb (10) N/A N/A 59.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 89.0 ppb (70) 0.92 ppb (10) 62.0 μg/m3 (54) N/A 70.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A 14.0 ppb (20) 99.0 ppb (78) 0.77 ppb (9) 56.0 μg/m3 (50) N/A 78.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 94.0 ppb (74) 0.84 ppb (9) 51.0 μg/m3 (46) N/A 74.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 97.0 ppb (77) 0.84 ppb (9) 52.0 μg/m3 (47) N/A 77.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 93.0 ppb (73) 0.8 ppb (9) 54.0 μg/m3 (49) N/A 73.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 60.0 ppb (46) 0.9 ppb (10) 48.0 μg/m3 (44) N/A 46.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 82.0 ppb (64) 0.8 ppb (9) 49.0 μg/m3 (45) N/A 64.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 75.0 ppb (58) 0.85 ppb (9) 53.0 μg/m3 (48) N/A 58.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 58.0 ppb (45) 0.88 ppb (10) 61.0 μg/m3 (53) N/A 53.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 49.0 ppb (38) 0.87 ppb (10) 67.0 μg/m3 (56) N/A 56.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 24.0 ppb (18) 1.09 ppb (12) 68.0 μg/m3 (56) N/A 56.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 15.0 ppb (12) 1.4 ppb (16) 90.0 μg/m3 (68) N/A 68.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 8.0 ppb (6) 1.46 ppb (16) 78.0 μg/m3 (62) N/A 62.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A 14.0 ppb (20) 11.0 ppb (8) 0.85 ppb (9) 65.0 μg/m3 (55) N/A 55.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 16.0 ppb (12) 0.72 ppb (8) 50.0 μg/m3 (45) N/A 45.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 28.0 ppb (22) 0.67 ppb (7) 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 14.0 ppb (20) 40.0 ppb (31) 0.66 ppb (7) 50.0 μg/m3 (45) N/A 45.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 43.0 ppb (33) 0.73 ppb (8) 68.0 μg/m3 (56) N/A 56.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 38.0 ppb (29) 0.81 ppb (9) 86.0 μg/m3 (66) N/A 66.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 40.0 ppb (31) 0.82 ppb (9) 92.0 μg/m3 (68) N/A 68.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 44.0 ppb (34) 0.97 ppb (11) 76.0 μg/m3 (60) N/A 60.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 54.0 ppb (42) 0.95 ppb (11) 74.0 μg/m3 (60) N/A 60.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 49.0 ppb (38) 1.09 ppb (12) 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 14.0 ppb (20) 68.0 ppb (52) 0.89 ppb (10) 44.0 μg/m3 (40) N/A 52.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A 14.0 ppb (20) 73.0 ppb (57) 0.76 ppb (8) 38.0 μg/m3 (35) N/A 57.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 74.0 ppb (57) 0.7 ppb (8) 37.0 μg/m3 (34) N/A 57.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 75.0 ppb (58) 0.73 ppb (8) 39.0 μg/m3 (35) N/A 58.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 72.0 ppb (56) 0.7 ppb (8) 35.0 μg/m3 (32) N/A 56.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 65.0 ppb (50) 0.75 ppb (8) 41.0 μg/m3 (37) N/A 50.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 63.0 ppb (48) 0.74 ppb (8) 30.0 μg/m3 (27) N/A 48.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 54.0 ppb (42) 0.81 ppb (9) 39.0 μg/m3 (35) N/A 42.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 53.0 ppb (41) 0.75 ppb (8) 41.0 μg/m3 (37) N/A 41.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 41.0 ppb (32) 0.86 ppb (10) 44.0 μg/m3 (40) N/A 40.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 26.0 ppb (20) 0.98 ppb (11) 68.0 μg/m3 (56) N/A 56.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 1.1 ppb (12) 81.0 μg/m3 (63) N/A 63.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 9.0 ppb (7) 1.19 ppb (13) 71.0 μg/m3 (58) N/A 58.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 11.0 ppb (8) 0.89 ppb (10) 66.0 μg/m3 (56) N/A 56.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 21.0 ppb (16) 0.71 ppb (8) 60.0 μg/m3 (52) N/A 52.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 28.0 ppb (22) 0.71 ppb (8) 59.0 μg/m3 (52) N/A 52.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 30.0 ppb (23) 0.72 ppb (8) 64.0 μg/m3 (54) N/A 54.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 39.0 ppb (30) 0.72 ppb (8) 72.0 μg/m3 (58) N/A 58.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 46.0 ppb (35) 0.79 ppb (9) 66.0 μg/m3 (56) N/A 56.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 47.0 ppb (36) 0.82 ppb (9) 80.0 μg/m3 (62) N/A 62.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 45.0 ppb (35) 0.91 ppb (10) 94.0 μg/m3 (70) N/A 70.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 33.0 ppb (25) 1.14 ppb (13) 81.0 μg/m3 (63) N/A 63.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 51.0 ppb (39) 0.94 ppb (10) 60.0 μg/m3 (52) N/A 52.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 74.0 ppb (57) 0.83 ppb (9) 49.0 μg/m3 (45) N/A 57.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 81.0 ppb (63) 0.79 ppb (9) 40.0 μg/m3 (36) N/A 63.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 76.0 ppb (59) 0.76 ppb (8) 41.0 μg/m3 (37) N/A 59.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 79.0 ppb (62) 0.67 ppb (7) 33.0 μg/m3 (30) N/A 62.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 73.0 ppb (57) 0.7 ppb (8) 34.0 μg/m3 (31) N/A 57.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 68.0 ppb (52) 0.7 ppb (8) 30.0 μg/m3 (27) N/A 52.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (40) 0.83 ppb (9) 31.0 μg/m3 (28) N/A 40.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 53.0 ppb (41) 0.76 ppb (8) 31.0 μg/m3 (28) N/A 41.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 49.0 ppb (38) 0.77 ppb (9) 36.0 μg/m3 (33) N/A 38.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 37.0 ppb (28) 0.82 ppb (9) 51.0 μg/m3 (46) N/A 46.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 1.2 ppb (13) 118.0 μg/m3 (82) N/A 82.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 5.0 ppb (4) 1.85 ppb (21) 110.0 μg/m3 (78) N/A 78.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 4.0 ppb (3) 1.73 ppb (19) 85.0 μg/m3 (65) N/A 65.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 9.0 ppb (7) 1.03 ppb (11) 66.0 μg/m3 (56) N/A 56.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 19.0 ppb (15) 0.69 ppb (8) 55.0 μg/m3 (50) N/A 50.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 29.0 ppb (22) 0.62 ppb (7) 56.0 μg/m3 (50) N/A 50.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 33.0 ppb (25) 0.67 ppb (7) 58.0 μg/m3 (52) N/A 52.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 37.0 ppb (28) 0.78 ppb (9) 66.0 μg/m3 (56) N/A 56.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 32.0 ppb (25) 1.0 ppb (11) 82.0 μg/m3 (64) N/A 64.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 52.0 ppb (58) 37.0 ppb (28) 1.06 ppb (12) 88.0 μg/m3 (66) N/A 66.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 6.0 ppb (5) 1.74 ppb (19) 82.0 μg/m3 (64) N/A 64.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.0 ppb (22) 46.0 μg/m3 (42) N/A 42.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 58.0 ppb (45) 0.89 ppb (10) 46.0 μg/m3 (42) N/A 45.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 77.0 ppb (60) 0.67 ppb (7) 37.0 μg/m3 (34) N/A 60.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 82.0 ppb (64) 0.53 ppb (6) 37.0 μg/m3 (34) N/A 64.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 81.0 ppb (63) 0.64 ppb (7) 32.0 μg/m3 (29) N/A 63.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 78.0 ppb (61) 0.63 ppb (7) 29.0 μg/m3 (26) N/A 61.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 68.0 ppb (52) 0.7 ppb (8) 30.0 μg/m3 (27) N/A 52.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 66.0 ppb (51) 0.66 ppb (7) 32.0 μg/m3 (29) N/A 51.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 57.0 ppb (44) 0.69 ppb (8) 27.0 μg/m3 (25) N/A 44.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 51.0 ppb (39) 0.66 ppb (7) 11.0 μg/m3 (10) N/A 39.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 46.0 ppb (35) 0.63 ppb (7) 20.0 μg/m3 (18) N/A 35.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 39.0 ppb (30) 0.74 ppb (8) 48.0 μg/m3 (44) N/A 44.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 34.0 ppb (26) 0.91 ppb (10) 65.0 μg/m3 (55) N/A 55.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 23.0 ppb (18) 0.92 ppb (10) 45.0 μg/m3 (41) N/A 41.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 15.0 ppb (12) 0.88 ppb (10) 46.0 μg/m3 (42) N/A 42.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 11.0 ppb (16) 21.0 ppb (16) 0.68 ppb (8) 50.0 μg/m3 (45) N/A 45.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 24.0 ppb (18) 0.65 ppb (7) 50.0 μg/m3 (45) N/A 45.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 25.0 ppb (19) 0.69 ppb (8) 53.0 μg/m3 (48) N/A 48.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 27.0 ppb (21) 0.7 ppb (8) 34.0 μg/m3 (31) N/A 31.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) 0.65 ppb (7) 43.0 μg/m3 (39) N/A 39.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (23) 0.71 ppb (8) 65.0 μg/m3 (55) N/A 55.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 22.0 ppb (17) 0.82 ppb (9) 75.0 μg/m3 (60) N/A 60.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 23.0 ppb (18) 1.17 ppb (13) 93.0 μg/m3 (69) N/A 69.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 30.0 ppb (23) 1.14 ppb (13) 80.0 μg/m3 (62) N/A 62.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 56.0 ppb (43) 0.79 ppb (9) 60.0 μg/m3 (52) N/A 52.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 63.0 ppb (48) 0.73 ppb (8) 53.0 μg/m3 (48) N/A 48.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 60.0 ppb (46) 0.63 ppb (7) 44.0 μg/m3 (40) N/A 46.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 58.0 ppb (45) 0.69 ppb (8) 42.0 μg/m3 (38) N/A 45.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 56.0 ppb (43) 0.73 ppb (8) 43.0 μg/m3 (39) N/A 43.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 58.0 ppb (45) 0.81 ppb (9) 44.0 μg/m3 (40) N/A 45.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 54.0 ppb (42) 0.89 ppb (10) 53.0 μg/m3 (48) N/A 48.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (40) 0.85 ppb (9) 52.0 μg/m3 (47) N/A 47.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 53.0 ppb (41) 0.76 ppb (8) 48.0 μg/m3 (44) N/A 44.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 41.0 ppb (32) 0.82 ppb (9) 45.0 μg/m3 (41) N/A 41.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 37.0 ppb (28) 0.91 ppb (10) 55.0 μg/m3 (50) N/A 50.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 25.0 ppb (19) 0.98 ppb (11) 66.0 μg/m3 (56) N/A 56.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 1.21 ppb (13) 56.0 μg/m3 (50) N/A 50.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 0.99 ppb (11) 55.0 μg/m3 (50) N/A 50.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 18.0 ppb (14) 0.82 ppb (9) 45.0 μg/m3 (41) N/A 41.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 29.0 ppb (22) 0.66 ppb (7) 44.0 μg/m3 (40) N/A 40.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 31.0 ppb (24) 0.67 ppb (7) 46.0 μg/m3 (42) N/A 42.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 0.69 ppb (8) 46.0 μg/m3 (42) N/A 42.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 0.69 ppb (8) 65.0 μg/m3 (55) N/A 55.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 30.0 ppb (23) 0.89 ppb (10) 83.0 μg/m3 (64) N/A 64.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 28.0 ppb (22) 1.04 ppb (12) 93.0 μg/m3 (69) N/A 69.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 38.0 ppb (29) 0.99 ppb (11) 90.0 μg/m3 (68) N/A 68.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 36.0 ppb (28) 1.22 ppb (14) 76.0 μg/m3 (60) N/A 60.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 43.0 ppb (33) 1.03 ppb (11) 66.0 μg/m3 (56) N/A 56.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 47.0 ppb (36) 0.92 ppb (10) 60.0 μg/m3 (52) N/A 52.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 46.0 ppb (35) 0.95 ppb (11) 54.0 μg/m3 (49) N/A 49.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 51.0 ppb (39) 0.78 ppb (9) 42.0 μg/m3 (38) N/A 39.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (40) 0.77 ppb (9) 45.0 μg/m3 (41) N/A 41.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 55.0 ppb (42) 0.73 ppb (8) 51.0 μg/m3 (46) N/A 46.0