AQSQID: 80011G013

Site Name: Estaci¢N Dif

Location: Salamanca (Irapuato), MX

Reporting: True, Located: True

Current AQI: 113.0

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
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (10) 0.94 ppb (10) 81.0 μg/m3 (63) 40.7 μg/m3 (113) 113.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) 1.53 ppb (17) 92.0 μg/m3 (68) 39.8 μg/m3 (111) 111.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (7) 0.78 ppb (9) 58.0 μg/m3 (52) 22.5 μg/m3 (72) 72.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 20.0 ppb (15) 0.51 ppb (6) 43.0 μg/m3 (39) 24.4 μg/m3 (76) 76.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 0.48 ppb (5) 46.0 μg/m3 (42) 23.1 μg/m3 (74) 74.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) 0.51 ppb (6) 56.0 μg/m3 (50) 38.2 μg/m3 (107) 107.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) 0.62 ppb (7) 66.0 μg/m3 (56) 37.1 μg/m3 (104) 104.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) 0.71 ppb (8) 65.0 μg/m3 (55) 39.1 μg/m3 (109) 109.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 36.0 ppb (28) 0.66 ppb (7) 95.0 μg/m3 (70) 58.0 μg/m3 (151) 151.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 7.0 ppb (5) 1.75 ppb (19) 171.0 μg/m3 (108) 38.8 μg/m3 (108) 108.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) N/A 1.8 ppb (20) 113.0 μg/m3 (79) 25.3 μg/m3 (78) 79.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 0.69 ppb (8) 53.0 μg/m3 (48) 17.0 μg/m3 (61) 61.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 75.0 ppb (58) 0.41 ppb (5) 35.0 μg/m3 (32) 21.7 μg/m3 (71) 71.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 74.0 ppb (57) 0.45 ppb (5) 6.0 μg/m3 (5) 25.2 μg/m3 (78) 78.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 73.0 ppb (57) 0.42 ppb (5) 11.0 μg/m3 (10) 30.9 μg/m3 (90) 90.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 70.0 ppb (54) 0.44 ppb (5) 13.0 μg/m3 (12) 24.8 μg/m3 (77) 77.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 65.0 ppb (50) 0.48 ppb (5) 16.0 μg/m3 (15) 23.6 μg/m3 (75) 75.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 61.0 ppb (47) 0.54 ppb (6) 24.0 μg/m3 (22) 17.9 μg/m3 (63) 63.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 56.0 ppb (43) 0.48 ppb (5) 20.0 μg/m3 (18) 17.7 μg/m3 (62) 62.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.49 ppb (5) 21.0 μg/m3 (19) 19.2 μg/m3 (65) 65.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) 0.58 ppb (6) 16.0 μg/m3 (15) 28.7 μg/m3 (86) 86.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 38.0 ppb (29) 0.57 ppb (6) 40.0 μg/m3 (36) 34.8 μg/m3 (99) 99.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 30.0 ppb (23) 0.77 ppb (9) 68.0 μg/m3 (56) 34.6 μg/m3 (98) 98.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 1.0 ppb (11) 52.0 μg/m3 (47) 32.5 μg/m3 (94) 94.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) 0.71 ppb (8) 49.0 μg/m3 (45) 27.8 μg/m3 (84) 84.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (29) 0.61 ppb (7) 48.0 μg/m3 (44) 24.0 μg/m3 (76) 76.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (36) 0.58 ppb (6) 48.0 μg/m3 (44) 29.4 μg/m3 (87) 87.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.51 ppb (6) 32.0 μg/m3 (29) 22.7 μg/m3 (73) 73.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 29.0 ppb (22) 0.46 ppb (5) 37.0 μg/m3 (34) 23.4 μg/m3 (74) 74.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 32.0 ppb (25) 0.48 ppb (5) 32.0 μg/m3 (29) 26.4 μg/m3 (81) 81.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 0.48 ppb (5) 65.0 μg/m3 (55) 44.3 μg/m3 (122) 122.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (18) 0.62 ppb (7) 85.0 μg/m3 (65) 37.2 μg/m3 (104) 104.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (29) 0.65 ppb (7) 121.0 μg/m3 (83) 54.1 μg/m3 (146) 146.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 43.0 ppb (33) 0.73 ppb (8) 129.0 μg/m3 (87) N/A 87.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 51.0 ppb (39) 0.66 ppb (7) 89.0 μg/m3 (67) 24.9 μg/m3 (77) 77.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 64.0 ppb (49) 0.44 ppb (5) 51.0 μg/m3 (46) 20.8 μg/m3 (69) 69.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 62.0 ppb (48) 0.43 ppb (5) 41.0 μg/m3 (37) 21.6 μg/m3 (70) 70.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 60.0 ppb (46) 0.46 ppb (5) 6.0 μg/m3 (5) 27.7 μg/m3 (83) 83.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 58.0 ppb (45) 0.49 ppb (5) 22.0 μg/m3 (20) 41.0 μg/m3 (114) 114.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 61.0 ppb (47) 0.52 ppb (6) 70.0 μg/m3 (58) 42.8 μg/m3 (118) 118.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 61.0 ppb (47) 0.57 ppb (6) 53.0 μg/m3 (48) 32.5 μg/m3 (94) 94.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 0.61 ppb (7) 44.0 μg/m3 (40) 25.7 μg/m3 (79) 79.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 51.0 ppb (39) 0.57 ppb (6) 46.0 μg/m3 (42) 22.8 μg/m3 (73) 73.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (35) 0.62 ppb (7) 35.0 μg/m3 (32) 42.8 μg/m3 (118) 118.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 42.0 ppb (32) 0.71 ppb (8) 48.0 μg/m3 (44) 32.4 μg/m3 (93) 93.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) 0.72 ppb (8) 45.0 μg/m3 (41) 39.9 μg/m3 (111) 111.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 0.78 ppb (9) 53.0 μg/m3 (48) 30.5 μg/m3 (89) 89.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 0.82 ppb (9) 49.0 μg/m3 (45) 31.7 μg/m3 (92) 92.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 0.71 ppb (8) 40.0 μg/m3 (36) 32.7 μg/m3 (94) 94.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 0.6 ppb (7) 41.0 μg/m3 (37) 31.0 μg/m3 (90) 90.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (22) 0.58 ppb (6) 42.0 μg/m3 (38) 32.0 μg/m3 (93) 93.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) 0.58 ppb (6) 39.0 μg/m3 (35) 28.9 μg/m3 (86) 86.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) 0.58 ppb (6) 54.0 μg/m3 (49) 47.4 μg/m3 (130) 130.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) 0.73 ppb (8) 93.0 μg/m3 (69) 54.1 μg/m3 (146) 146.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (22) 0.84 ppb (9) 92.0 μg/m3 (68) 52.3 μg/m3 (142) 142.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) 0.74 ppb (8) 115.0 μg/m3 (80) 44.0 μg/m3 (121) 121.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (34) 0.78 ppb (9) 89.0 μg/m3 (67) 47.4 μg/m3 (130) 130.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (40) 0.72 ppb (8) 77.0 μg/m3 (61) 32.2 μg/m3 (93) 93.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 57.0 ppb (44) 0.61 ppb (7) 50.0 μg/m3 (45) 28.6 μg/m3 (85) 85.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 56.0 ppb (43) 0.57 ppb (6) 39.0 μg/m3 (35) 25.9 μg/m3 (80) 80.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 60.0 ppb (46) 0.54 ppb (6) 12.0 μg/m3 (11) 27.3 μg/m3 (83) 83.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 58.0 ppb (45) 0.53 ppb (6) 41.0 μg/m3 (37) 41.4 μg/m3 (115) 115.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 60.0 ppb (46) 0.56 ppb (6) 44.0 μg/m3 (40) 33.8 μg/m3 (96) 96.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 58.0 ppb (45) 0.62 ppb (7) 39.0 μg/m3 (35) 25.4 μg/m3 (79) 79.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (40) 0.62 ppb (7) 41.0 μg/m3 (37) 29.5 μg/m3 (87) 87.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (40) 0.61 ppb (7) 54.0 μg/m3 (49) 34.4 μg/m3 (98) 98.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 58.0 ppb (45) 0.68 ppb (8) 61.0 μg/m3 (53) 38.4 μg/m3 (107) 107.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (34) 0.73 ppb (8) 53.0 μg/m3 (48) 36.4 μg/m3 (102) 102.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) 0.74 ppb (8) 64.0 μg/m3 (54) 42.3 μg/m3 (117) 117.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (15) 0.9 ppb (10) 81.0 μg/m3 (63) 42.4 μg/m3 (117) 117.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 5.0 ppb (4) 1.18 ppb (13) 85.0 μg/m3 (65) 43.9 μg/m3 (121) 121.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (9) 0.96 ppb (11) 51.0 μg/m3 (46) 32.1 μg/m3 (93) 93.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 0.61 ppb (7) 44.0 μg/m3 (40) 35.4 μg/m3 (100) 100.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) 0.63 ppb (7) 46.0 μg/m3 (42) 41.6 μg/m3 (115) 115.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 0.66 ppb (7) 51.0 μg/m3 (46) 40.7 μg/m3 (113) 113.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (18) 0.67 ppb (7) 62.0 μg/m3 (54) 44.2 μg/m3 (122) 122.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) 0.68 ppb (8) 88.0 μg/m3 (66) 50.4 μg/m3 (137) 137.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (24) 0.76 ppb (8) 98.0 μg/m3 (72) 56.9 μg/m3 (151) 151.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 49.0 ppb (38) 0.92 ppb (10) 57.0 μg/m3 (51) 43.4 μg/m3 (120) 120.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 35.0 ppb (27) 0.97 ppb (11) 73.0 μg/m3 (59) 39.8 μg/m3 (111) 111.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (18) 1.05 ppb (12) 79.0 μg/m3 (62) 45.3 μg/m3 (124) 124.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 9.0 ppb (7) 1.28 ppb (14) 75.0 μg/m3 (60) 41.9 μg/m3 (116) 116.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 3.0 ppb (2) 1.16 ppb (13) 72.0 μg/m3 (58) 35.3 μg/m3 (100) 100.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 12.0 ppb (9) 0.92 ppb (10) 51.0 μg/m3 (46) 32.5 μg/m3 (94) 94.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) 0.65 ppb (7) 37.0 μg/m3 (34) 40.2 μg/m3 (112) 112.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 32.0 ppb (25) 0.64 ppb (7) 50.0 μg/m3 (45) 27.2 μg/m3 (82) 82.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 26.0 ppb (20) 0.58 ppb (6) 45.0 μg/m3 (41) 33.4 μg/m3 (96) 96.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 25.0 ppb (19) 0.6 ppb (7) 54.0 μg/m3 (49) 33.3 μg/m3 (95) 95.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) 0.63 ppb (7) 73.0 μg/m3 (59) 41.8 μg/m3 (116) 116.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 21.0 ppb (16) 0.65 ppb (7) 111.0 μg/m3 (78) 47.6 μg/m3 (130) 130.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 11.0 ppb (8) 1.19 ppb (13) 120.0 μg/m3 (82) 56.9 μg/m3 (151) 151.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) 0.9 ppb (10) 93.0 μg/m3 (69) N/A 69.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (26) 0.84 ppb (9) 78.0 μg/m3 (62) 39.5 μg/m3 (110) 110.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 57.0 ppb (44) 0.57 ppb (6) 33.0 μg/m3 (30) 34.7 μg/m3 (98) 98.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 63.0 ppb (48) 0.5 ppb (6) 35.0 μg/m3 (32) 46.0 μg/m3 (126) 126.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (47) 0.46 ppb (5) 30.0 μg/m3 (27) 47.4 μg/m3 (130) 130.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 69.0 ppb (53) 0.5 ppb (6) 34.0 μg/m3 (31) 78.1 μg/m3 (162) 162.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 68.0 ppb (52) 0.54 ppb (6) 44.0 μg/m3 (40) 88.2 μg/m3 (167) 167.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 67.0 ppb (52) 0.64 ppb (7) 60.0 μg/m3 (52) 91.4 μg/m3 (169) 169.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 69.0 ppb (53) 0.73 ppb (8) 57.0 μg/m3 (51) 105.9 μg/m3 (177) 177.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 62.0 ppb (48) 0.82 ppb (9) 73.0 μg/m3 (59) 77.8 μg/m3 (162) 162.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 51.0 ppb (39) 0.92 ppb (10) 65.0 μg/m3 (55) 51.5 μg/m3 (140) 140.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 39.0 ppb (30) 0.89 ppb (10) 100.0 μg/m3 (72) 60.5 μg/m3 (153) 153.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 24.0 ppb (18) 1.25 ppb (14) 142.0 μg/m3 (94) 66.7 μg/m3 (156) 156.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) 1.74 ppb (19) 110.0 μg/m3 (78) 45.8 μg/m3 (126) 126.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (3) 1.09 ppb (12) 79.0 μg/m3 (62) 45.7 μg/m3 (126) 126.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 4.0 ppb (3) 0.8 ppb (9) 83.0 μg/m3 (64) 45.7 μg/m3 (126) 126.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 15.0 ppb (12) 0.69 ppb (8) 68.0 μg/m3 (56) 41.6 μg/m3 (115) 115.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (11) 0.67 ppb (7) 81.0 μg/m3 (63) 44.7 μg/m3 (123) 123.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (11) 0.67 ppb (7) 57.0 μg/m3 (51) 42.7 μg/m3 (118) 118.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 9.0 ppb (7) 0.65 ppb (7) 60.0 μg/m3 (52) 34.4 μg/m3 (98) 98.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (12) 0.62 ppb (7) 74.0 μg/m3 (60) 38.1 μg/m3 (106) 106.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 0.64 ppb (7) 80.0 μg/m3 (62) 23.5 μg/m3 (74) 74.0
 
May 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) 0.56 ppb (6) 72.0 μg/m3 (58) 27.5 μg/m3 (83) 83.0
 
May 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 0.65 ppb (7) 75.0 μg/m3 (60) 28.8 μg/m3 (86) 86.0
 
May 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 0.66 ppb (7) 69.0 μg/m3 (57) 18.6 μg/m3 (64) 64.0
 
May 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (35) 0.45 ppb (5) 35.0 μg/m3 (32) 19.3 μg/m3 (66) 66.0
 
May 15, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 50.0 ppb (38) 0.41 ppb (5) 30.0 μg/m3 (27) 20.8 μg/m3 (69) 69.0
 
May 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.4 ppb (4) 52.0 μg/m3 (47) 22.3 μg/m3 (72) 72.0
 
May 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.45 ppb (5) 23.0 μg/m3 (21) 38.4 μg/m3 (107) 107.0
 
May 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 52.0 ppb (40) 0.48 ppb (5) 24.0 μg/m3 (22) 33.2 μg/m3 (95) 95.0
 
May 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 54.0 ppb (42) 0.58 ppb (6) 37.0 μg/m3 (34) 36.0 μg/m3 (101) 101.0
 
May 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (41) 0.6 ppb (7) 49.0 μg/m3 (45) 35.8 μg/m3 (101) 101.0
 
May 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (40) 0.62 ppb (7) 47.0 μg/m3 (43) 33.1 μg/m3 (95) 95.0
 
May 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 49.0 ppb (38) 0.58 ppb (6) 60.0 μg/m3 (52) 45.2 μg/m3 (124) 124.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 37.0 ppb (28) 0.8 ppb (9) 113.0 μg/m3 (79) 74.9 μg/m3 (160) 160.0
 
May 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) 1.42 ppb (16) 164.0 μg/m3 (104) 72.7 μg/m3 (159) 159.0
 
May 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 6.0 ppb (5) 1.67 ppb (19) 112.0 μg/m3 (78) 60.8 μg/m3 (153) 153.0
 
May 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) 1.6 ppb (18) 95.0 μg/m3 (70) 56.7 μg/m3 (151) 151.0
 
May 14, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (5) 0.92 ppb (10) 79.0 μg/m3 (62) 51.5 μg/m3 (140) 140.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 7.0 ppb (5) 0.7 ppb (8) 69.0 μg/m3 (57) 51.4 μg/m3 (140) 140.0
 
May 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (3) 0.7 ppb (8) 60.0 μg/m3 (52) 51.1 μg/m3 (139) 139.0
 
May 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) 0.73 ppb (8) 58.0 μg/m3 (52) 51.6 μg/m3 (140) 140.0
 
May 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 10.0 ppb (8) 0.71 ppb (8) 61.0 μg/m3 (53) 50.0 μg/m3 (136) 136.0
 
May 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (18) 0.64 ppb (7) 74.0 μg/m3 (60) 41.6 μg/m3 (115) 115.0
 
May 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 0.62 ppb (7) 76.0 μg/m3 (60) 39.7 μg/m3 (110) 110.0
 
May 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (26) 0.6 ppb (7) 80.0 μg/m3 (62) 32.9 μg/m3 (94) 94.0
 
May 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 31.0 ppb (24) 0.58 ppb (6) 95.0 μg/m3 (70) 29.2 μg/m3 (87) 87.0
 
May 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) 0.58 ppb (6) 64.0 μg/m3 (54) 32.1 μg/m3 (93) 93.0
 
May 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.47 ppb (5) 52.0 μg/m3 (47) 30.7 μg/m3 (90) 90.0
 
May 14, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 53.0 ppb (41) 0.44 ppb (5) 52.0 μg/m3 (47) 37.5 μg/m3 (105) 105.0
 
May 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 58.0 ppb (45) 0.47 ppb (5) 37.0 μg/m3 (34) 32.0 μg/m3 (93) 93.0
 
May 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 58.0 ppb (45) 0.49 ppb (5) 37.0 μg/m3 (34) 34.1 μg/m3 (97) 97.0
 
May 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 56.0 ppb (43) 0.49 ppb (5) 29.0 μg/m3 (26) 29.5 μg/m3 (87) 87.0
 
May 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 47.0 ppb (36) 0.51 ppb (6) 32.0 μg/m3 (29) 27.8 μg/m3 (84) 84.0
 
May 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 50.0 ppb (38) 0.59 ppb (7) 28.0 μg/m3 (25) 21.3 μg/m3 (70) 70.0
 
May 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 46.0 ppb (35) 0.54 ppb (6) 31.0 μg/m3 (28) 20.6 μg/m3 (68) 68.0
 
May 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) 0.5 ppb (6) 34.0 μg/m3 (31) N/A 32.0
 
May 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) 0.69 ppb (8) 79.0 μg/m3 (62) 70.0 μg/m3 (158) 158.0
 
May 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (10) 1.26 ppb (14) 106.0 μg/m3 (76) 42.9 μg/m3 (118) 118.0
 
May 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 7.0 ppb (5) 1.17 ppb (13) 71.0 μg/m3 (58) 31.5 μg/m3 (91) 91.0
 
May 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 5.0 ppb (4) 1.06 ppb (12) 62.0 μg/m3 (54) 31.1 μg/m3 (91) 91.0
 
May 13, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 8.0 ppb (6) 0.62 ppb (7) 50.0 μg/m3 (45) 28.6 μg/m3 (85) 85.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 13.0 ppb (10) 0.48 ppb (5) 44.0 μg/m3 (40) 28.9 μg/m3 (86) 86.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) 0.47 ppb (5) 40.0 μg/m3 (36) 31.7 μg/m3 (92) 92.0
 
May 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 0.48 ppb (5) 43.0 μg/m3 (39) 27.7 μg/m3 (83) 83.0
 
May 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 24.0 ppb (18) 0.47 ppb (5) 47.0 μg/m3 (43) 21.3 μg/m3 (70) 70.0
 
May 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 26.0 ppb (20) 0.42 ppb (5) 41.0 μg/m3 (37) 24.5 μg/m3 (77) 77.0
 
May 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) 0.45 ppb (5) 55.0 μg/m3 (50) 23.4 μg/m3 (74) 74.0
 
May 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) 0.62 ppb (7) 84.0 μg/m3 (64) 39.7 μg/m3 (110) 110.0
 
May 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 0.63 ppb (7) 70.0 μg/m3 (58) 26.2 μg/m3 (80) 80.0
 
May 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) 0.5 ppb (6) 67.0 μg/m3 (56) 17.5 μg/m3 (62) 62.0
 
May 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 43.0 ppb (33) 0.39 ppb (4) 35.0 μg/m3 (32) 17.2 μg/m3 (61) 61.0
 
May 13, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 50.0 ppb (38) 0.38 ppb (4) 34.0 μg/m3 (31) 17.7 μg/m3 (62) 62.0
 
May 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 51.0 ppb (39) 0.39 ppb (4) 35.0 μg/m3 (32) 19.0 μg/m3 (65) 65.0
 
May 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 47.0 ppb (36) 0.42 ppb (5) 28.0 μg/m3 (25) 23.7 μg/m3 (75) 75.0
 
May 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.45 ppb (5) 32.0 μg/m3 (29) 26.1 μg/m3 (80) 80.0
 
May 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.47 ppb (5) 18.0 μg/m3 (16) 19.3 μg/m3 (66) 66.0