ID: 2353

AQSQID: 800090043

Site Name: Santa Fe

Added: April 21, 2020, 6:24 p.m.

Updated: April 10, 2021, 6:43 p.m.

Location: Mexico City (Tamaulipas), MX

Reporting: False, Located: True

Current AQI: None

Mexico City (Tamaulipas) MX, MX: 19.3573, -99.2628

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 26, 2021, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 98.0 ppb (116) 1.2 ppb (14) 49.0 μg/m3 (46) 19.0 μg/m3 (66) 116.0
 
March 26, 2021, 9 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 99.0 ppb (116) 1.2 ppb (14) 70.0 μg/m3 (59) 28.0 μg/m3 (85) 116.0
 
March 26, 2021, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 106.0 ppb (120) 1.2 ppb (14) 53.0 μg/m3 (50) 21.0 μg/m3 (70) 120.0
 
March 26, 2021, 7 p.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 97.0 ppb (115) 1.3 ppb (15) 54.0 μg/m3 (50) 26.0 μg/m3 (81) 115.0
 
March 26, 2021, 6 p.m. N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 85.0 ppb (109) 1.3 ppb (15) 55.0 μg/m3 (51) 26.0 μg/m3 (81) 109.0
 
March 26, 2021, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A 6.0 ppb (9) 68.0 ppb (94) 1.3 ppb (15) 56.0 μg/m3 (52) 26.0 μg/m3 (81) 94.0
 
March 26, 2021, 4 p.m. N/A N/A N/A 24.0 ppb (23) N/A 7.0 ppb (10) 52.0 ppb (49) 1.5 ppb (18) 56.0 μg/m3 (52) 27.0 μg/m3 (83) 83.0
 
March 26, 2021, 3 p.m. N/A N/A N/A 27.0 ppb (26) N/A 3.0 ppb (5) 28.0 ppb (26) 1.6 ppb (19) N/A N/A 26.0
 
March 26, 2021, 2 p.m. N/A N/A N/A 35.0 ppb (34) N/A 3.0 ppb (5) 12.0 ppb (12) 1.5 ppb (18) N/A N/A 34.0
 
March 26, 2021, 1 p.m. N/A N/A N/A 38.0 ppb (36) N/A 3.0 ppb (5) 8.0 ppb (8) 1.4 ppb (16) N/A N/A 36.0
 
March 26, 2021, noon N/A N/A N/A 33.0 ppb (32) N/A 3.0 ppb (5) 15.0 ppb (14) 1.3 ppb (15) N/A N/A 32.0
 
March 26, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 26.0 ppb (25) 1.2 ppb (14) N/A N/A 25.0
 
March 26, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 31.0 ppb (29) 1.2 ppb (14) N/A N/A 29.0
 
March 26, 2021, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 34.0 ppb (32) 1.1 ppb (13) N/A N/A 32.0
 
March 26, 2021, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 36.0 ppb (34) 1.1 ppb (13) N/A N/A 34.0
 
March 26, 2021, 7 a.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 34.0 ppb (32) 1.3 ppb (15) N/A N/A 32.0
 
March 26, 2021, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 37.0 ppb (35) 1.2 ppb (14) N/A N/A 35.0
 
March 26, 2021, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 42.0 ppb (39) 1.2 ppb (14) N/A N/A 39.0
 
March 26, 2021, 4 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 49.0 ppb (46) 1.1 ppb (13) N/A N/A 46.0
 
March 26, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 50.0 ppb (47) 1.2 ppb (14) N/A N/A 47.0
 
March 26, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 54.0 ppb (50) 1.2 ppb (14) N/A N/A 50.0
 
March 26, 2021, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 55.0 ppb (51) 1.2 ppb (14) N/A N/A 51.0
 
March 26, 2021, midnight N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 81.0 ppb (107) 1.1 ppb (13) N/A N/A 107.0
 
March 25, 2021, 11 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 100.0 ppb (117) 1.1 ppb (13) N/A N/A 117.0
 
March 25, 2021, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 98.0 ppb (116) 1.1 ppb (13) N/A N/A 116.0
 
March 25, 2021, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 93.0 ppb (113) 1.1 ppb (13) N/A N/A 113.0
 
March 25, 2021, 8 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 95.0 ppb (114) 1.2 ppb (14) N/A N/A 114.0
 
March 25, 2021, 7 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 90.0 ppb (112) 1.2 ppb (14) N/A N/A 112.0
 
March 25, 2021, 6 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 69.0 ppb (97) 1.2 ppb (14) N/A N/A 97.0
 
March 25, 2021, 5 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 56.0 ppb (55) 1.2 ppb (14) N/A N/A 55.0
 
March 25, 2021, 4 p.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 40.0 ppb (38) 1.3 ppb (15) N/A N/A 38.0
 
March 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
March 25, 2021, 2 p.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 8.0 ppb (8) 1.3 ppb (15) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
March 25, 2021, 1 p.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 12.0 ppb (12) 1.1 ppb (13) 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
March 25, 2021, noon N/A N/A N/A 25.0 ppb (24) N/A 0.0 ppb (0) 20.0 ppb (19) 1.0 ppb (12) 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
March 25, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A 0.0 ppb (0) 20.0 ppb (19) 1.0 ppb (12) 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
March 25, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 28.0 ppb (26) 1.0 ppb (12) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 26.0
 
March 25, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (38) 1.0 ppb (12) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 38.0
 
March 25, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (35) 1.0 ppb (12) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 35.0
 
March 25, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 1.0 ppb (12) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 36.0
 
March 25, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 36.0 ppb (34) 1.0 ppb (12) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 34.0
 
March 25, 2021, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 30.0 ppb (28) 1.0 ppb (12) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
March 25, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 32.0 ppb (30) 1.1 ppb (13) 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
March 25, 2021, 3 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 34.0 ppb (32) 1.1 ppb (13) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
March 25, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 38.0 ppb (36) 1.1 ppb (13) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 36.0
 
March 25, 2021, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 47.0 ppb (44) 1.0 ppb (12) 37.0 μg/m3 (35) 4.0 μg/m3 (17) 44.0
 
March 25, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (50) 1.0 ppb (12) 51.0 μg/m3 (48) 10.0 μg/m3 (42) 50.0
 
March 24, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 59.0 ppb (65) 1.0 ppb (12) 64.0 μg/m3 (56) 15.0 μg/m3 (58) 65.0
 
March 24, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 64.0 ppb (81) 1.0 ppb (12) 58.0 μg/m3 (53) 19.0 μg/m3 (66) 81.0
 
March 24, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 62.0 ppb (74) 0.9 ppb (11) 39.0 μg/m3 (37) 7.0 μg/m3 (30) 74.0
 
March 24, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 54.0 ppb (50) 0.9 ppb (11) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 50.0
 
March 24, 2021, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 63.0 ppb (78) 1.0 ppb (12) 48.0 μg/m3 (45) 25.0 μg/m3 (79) 79.0
 
March 24, 2021, 6 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 67.0 ppb (91) 1.1 ppb (13) 43.0 μg/m3 (40) 24.0 μg/m3 (77) 91.0
 
March 24, 2021, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 54.0 ppb (50) 1.1 ppb (13) 26.0 μg/m3 (25) 9.0 μg/m3 (38) 50.0
 
March 24, 2021, 4 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 43.0 ppb (40) 1.1 ppb (13) 28.0 μg/m3 (26) 13.0 μg/m3 (53) 53.0
 
March 24, 2021, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 32.0 ppb (30) 1.2 ppb (14) 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
March 24, 2021, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 17.0 ppb (16) 1.2 ppb (14) 30.0 μg/m3 (28) 18.0 μg/m3 (64) 64.0
 
March 24, 2021, 1 p.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 13.0 ppb (13) 1.2 ppb (14) 33.0 μg/m3 (31) 23.0 μg/m3 (74) 74.0
 
March 24, 2021, noon N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 26.0 ppb (25) 1.0 ppb (12) 30.0 μg/m3 (28) 22.0 μg/m3 (72) 72.0
 
March 24, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 30.0 ppb (28) 1.0 ppb (12) 26.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
March 24, 2021, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 29.0 ppb (27) 0.9 ppb (11) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
March 24, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 24.0 ppb (23) 0.9 ppb (11) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
March 24, 2021, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 21.0 ppb (20) 1.0 ppb (12) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
March 24, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 29.0 ppb (27) 0.9 ppb (11) 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
March 24, 2021, 6 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 32.0 ppb (30) 1.0 ppb (12) 28.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
March 24, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (38) 1.0 ppb (12) 29.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
March 24, 2021, 4 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 35.0 ppb (33) 1.0 ppb (12) 36.0 μg/m3 (34) 16.0 μg/m3 (60) 60.0
 
March 24, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 30.0 ppb (28) 1.0 ppb (12) 35.0 μg/m3 (33) 12.0 μg/m3 (50) 50.0
 
March 24, 2021, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 33.0 ppb (31) 1.0 ppb (12) 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
March 24, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 46.0 ppb (43) 1.0 ppb (12) 39.0 μg/m3 (37) 4.0 μg/m3 (17) 43.0
 
March 24, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 59.0 ppb (65) 1.0 ppb (12) 39.0 μg/m3 (37) 6.0 μg/m3 (25) 65.0
 
March 23, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 58.0 ppb (61) 0.9 ppb (11) 39.0 μg/m3 (37) 13.0 μg/m3 (53) 61.0
 
March 23, 2021, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 81.0 ppb (107) 1.0 ppb (12) 53.0 μg/m3 (50) 27.0 μg/m3 (83) 107.0
 
March 23, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 84.0 ppb (108) 1.0 ppb (12) 49.0 μg/m3 (46) 23.0 μg/m3 (74) 108.0
 
March 23, 2021, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 75.0 ppb (104) 1.0 ppb (12) 23.0 μg/m3 (22) 7.0 μg/m3 (30) 104.0
 
March 23, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 56.0 ppb (55) 0.9 ppb (11) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 55.0
 
March 23, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.9 ppb (11) 15.0 μg/m3 (14) 1.0 μg/m3 (5) 38.0
 
March 23, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.9 ppb (11) 16.0 μg/m3 (15) 1.0 μg/m3 (5) 41.0
 
March 23, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 45.0 ppb (42) 0.9 ppb (11) N/A N/A 42.0
 
March 23, 2021, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 30.0 ppb (28) 1.1 ppb (13) 26.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
March 23, 2021, 2 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 32.0 ppb (30) 1.0 ppb (12) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 30.0
 
March 23, 2021, 1 p.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 38.0 ppb (36) 0.9 ppb (11) 21.0 μg/m3 (20) 7.0 μg/m3 (30) 36.0
 
March 23, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (39) 0.9 ppb (11) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 39.0
 
March 23, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (43) 0.9 ppb (11) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 23, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (43) 0.9 ppb (11) 23.0 μg/m3 (22) 10.0 μg/m3 (42) 43.0
 
March 23, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 45.0 ppb (42) 0.9 ppb (11) 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
March 23, 2021, 8 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 45.0 ppb (42) 0.9 ppb (11) 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
March 23, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 44.0 ppb (41) 0.9 ppb (11) 20.0 μg/m3 (19) 9.0 μg/m3 (38) 41.0
 
March 23, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 43.0 ppb (40) 0.9 ppb (11) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 40.0
 
March 23, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (38) 1.0 ppb (12) 33.0 μg/m3 (31) 17.0 μg/m3 (62) 62.0
 
March 23, 2021, 4 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 37.0 ppb (35) 1.0 ppb (12) 35.0 μg/m3 (33) 15.0 μg/m3 (58) 58.0
 
March 23, 2021, 3 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 32.0 ppb (30) 1.1 ppb (13) 34.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
March 23, 2021, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (40) 1.0 ppb (12) 35.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
March 23, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 47.0 ppb (44) 1.0 ppb (12) 48.0 μg/m3 (45) 20.0 μg/m3 (68) 68.0
 
March 23, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 54.0 ppb (50) 1.0 ppb (12) 48.0 μg/m3 (45) 19.0 μg/m3 (66) 66.0
 
March 22, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 63.0 ppb (78) 1.0 ppb (12) 40.0 μg/m3 (38) 18.0 μg/m3 (64) 78.0
 
March 22, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 77.0 ppb (105) 1.0 ppb (12) 21.0 μg/m3 (20) 3.0 μg/m3 (13) 105.0
 
March 22, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 68.0 ppb (94) 0.9 ppb (11) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 94.0
 
March 22, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 57.0 ppb (58) 0.9 ppb (11) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 58.0
 
March 22, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 58.0 ppb (61) 0.9 ppb (11) 28.0 μg/m3 (26) 12.0 μg/m3 (50) 61.0
 
March 22, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 57.0 ppb (58) 0.9 ppb (11) 32.0 μg/m3 (30) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 55.0 ppb (51) 0.9 ppb (11) 41.0 μg/m3 (38) 21.0 μg/m3 (70) 70.0
 
March 22, 2021, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 42.0 ppb (39) 1.3 ppb (15) 25.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
March 22, 2021, 3 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 28.0 ppb (26) 1.2 ppb (14) 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 22, 2021, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 16.0 ppb (15) 1.3 ppb (15) 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
March 22, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 8.0 ppb (8) 1.1 ppb (13) 26.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, noon N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 25.0 ppb (24) 1.0 ppb (12) 25.0 μg/m3 (24) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, 11 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (30) 1.0 ppb (12) 23.0 μg/m3 (22) 13.0 μg/m3 (53) 53.0
 
March 22, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (38) 1.0 ppb (12) 30.0 μg/m3 (28) 17.0 μg/m3 (62) 62.0
 
March 22, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 44.0 ppb (41) 1.0 ppb (12) 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
March 22, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 38.0 ppb (36) 1.0 ppb (12) 29.0 μg/m3 (27) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, 7 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 40.0 ppb (38) 1.0 ppb (12) 26.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
March 22, 2021, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 29.0 ppb (27) 1.1 ppb (13) 29.0 μg/m3 (27) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 21.0 ppb (20) 1.3 ppb (15) 30.0 μg/m3 (28) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 32.0 ppb (30) 1.1 ppb (13) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 22, 2021, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 35.0 ppb (33) 1.2 ppb (14) 31.0 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, 2 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 35.0 ppb (33) 1.2 ppb (14) 31.0 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
March 22, 2021, 1 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 39.0 ppb (37) 1.2 ppb (14) 31.0 μg/m3 (29) 17.0 μg/m3 (62) 62.0
 
March 22, 2021, midnight N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 51.0 ppb (48) 1.1 ppb (13) 27.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
March 21, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 67.0 ppb (91) 1.0 ppb (12) 25.0 μg/m3 (24) 7.0 μg/m3 (30) 91.0
 
March 21, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 73.0 ppb (103) 1.0 ppb (12) 31.0 μg/m3 (29) 14.0 μg/m3 (55) 103.0
 
March 21, 2021, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 75.0 ppb (104) 1.0 ppb (12) 36.0 μg/m3 (34) 24.0 μg/m3 (77) 104.0
 
March 21, 2021, 8 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 76.0 ppb (104) 1.1 ppb (13) 48.0 μg/m3 (45) 29.0 μg/m3 (87) 104.0
 
March 21, 2021, 7 p.m. N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 82.0 ppb (107) 1.1 ppb (13) 55.0 μg/m3 (51) 35.0 μg/m3 (100) 107.0
 
March 21, 2021, 6 p.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 70.0 ppb (100) 1.2 ppb (14) 55.0 μg/m3 (51) 34.0 μg/m3 (98) 100.0
 
March 21, 2021, 5 p.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 51.0 ppb (48) 1.4 ppb (16) 22.0 μg/m3 (21) 14.0 μg/m3 (55) 55.0
 
March 21, 2021, 4 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 36.0 ppb (34) 1.2 ppb (14) 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
March 21, 2021, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 34.0 ppb (32) 1.2 ppb (14) 40.0 μg/m3 (38) 26.0 μg/m3 (81) 81.0
 
March 21, 2021, 2 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 41.0 ppb (38) 1.1 ppb (13) 46.0 μg/m3 (43) 27.0 μg/m3 (83) 83.0
 
March 21, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 21.0 ppb (20) 1.3 ppb (15) 35.0 μg/m3 (33) 21.0 μg/m3 (70) 70.0
 
March 21, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 36.0 ppb (34) 1.1 ppb (13) 27.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
March 21, 2021, 11 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 42.0 ppb (39) 1.0 ppb (12) 26.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
March 21, 2021, 10 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 46.0 ppb (43) 1.0 ppb (12) 39.0 μg/m3 (37) 24.0 μg/m3 (77) 77.0
 
March 21, 2021, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 48.0 ppb (45) 1.1 ppb (13) 38.0 μg/m3 (36) 24.0 μg/m3 (77) 77.0
 
March 21, 2021, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A 3.0 ppb (5) 51.0 ppb (48) 1.1 ppb (13) 34.0 μg/m3 (32) 24.0 μg/m3 (77) 77.0
 
March 21, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A 5.0 ppb (8) 51.0 ppb (48) 1.1 ppb (13) 32.0 μg/m3 (30) 22.0 μg/m3 (72) 72.0
 
March 21, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 4.0 ppb (6) 47.0 ppb (44) 1.1 ppb (13) 37.0 μg/m3 (35) 24.0 μg/m3 (77) 77.0
 
March 21, 2021, 5 a.m. N/A N/A N/A 13.0 ppb (13) N/A 4.0 ppb (6) 53.0 ppb (50) 1.1 ppb (13) 45.0 μg/m3 (42) 21.0 μg/m3 (70) 70.0
 
March 21, 2021, 4 a.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 58.0 ppb (61) 1.2 ppb (14) 37.0 μg/m3 (35) 23.0 μg/m3 (74) 74.0
 
March 21, 2021, 3 a.m. N/A N/A N/A 16.0 ppb (16) N/A 7.0 ppb (10) 52.0 ppb (49) 1.1 ppb (13) 39.0 μg/m3 (37) 29.0 μg/m3 (87) 87.0
 
March 21, 2021, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A 7.0 ppb (10) 53.0 ppb (50) 1.1 ppb (13) 47.0 μg/m3 (44) 31.0 μg/m3 (91) 91.0
 
March 21, 2021, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 5.0 ppb (8) 57.0 ppb (58) 1.1 ppb (13) 60.0 μg/m3 (54) 29.0 μg/m3 (87) 87.0
 
March 21, 2021, midnight N/A N/A N/A 12.0 ppb (12) N/A 10.0 ppb (15) 69.0 ppb (97) 1.1 ppb (13) 46.0 μg/m3 (43) 24.0 μg/m3 (77) 97.0
 
March 20, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 10.0 ppb (15) 81.0 ppb (107) 1.0 ppb (12) 45.0 μg/m3 (42) 21.0 μg/m3 (70) 107.0
 
March 20, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A 6.0 ppb (9) 79.0 ppb (106) 1.1 ppb (13) 51.0 μg/m3 (48) 25.0 μg/m3 (79) 106.0
 
March 20, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 7.0 ppb (10) 86.0 ppb (109) 1.1 ppb (13) 75.0 μg/m3 (61) 46.0 μg/m3 (127) 127.0
 
March 20, 2021, 8 p.m. N/A N/A N/A 22.0 ppb (21) N/A 10.0 ppb (15) 91.0 ppb (112) 1.2 ppb (14) 83.0 μg/m3 (65) 45.0 μg/m3 (125) 125.0
 
March 20, 2021, 7 p.m. N/A N/A N/A 28.0 ppb (27) N/A 14.0 ppb (20) 83.0 ppb (108) 1.3 ppb (15) 93.0 μg/m3 (70) 48.0 μg/m3 (132) 132.0
 
March 20, 2021, 6 p.m. N/A N/A N/A 38.0 ppb (36) N/A 27.0 ppb (39) 68.0 ppb (94) 1.5 ppb (18) 77.0 μg/m3 (62) 36.0 μg/m3 (103) 103.0
 
March 20, 2021, 5 p.m. N/A N/A N/A 35.0 ppb (34) N/A 22.0 ppb (32) 50.0 ppb (47) 1.5 ppb (18) 73.0 μg/m3 (60) 35.0 μg/m3 (100) 100.0
 
March 20, 2021, 4 p.m. N/A N/A N/A 32.0 ppb (31) N/A 15.0 ppb (22) 33.0 ppb (31) 1.5 ppb (18) 60.0 μg/m3 (54) 30.0 μg/m3 (89) 89.0
 
March 20, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A 16.0 ppb (23) 19.0 ppb (18) 1.5 ppb (18) 47.0 μg/m3 (44) 22.0 μg/m3 (72) 72.0
 
March 20, 2021, 2 p.m. N/A N/A N/A 33.0 ppb (32) N/A 4.0 ppb (6) 8.0 ppb (8) 1.4 ppb (16) 34.0 μg/m3 (32) 19.0 μg/m3 (66) 66.0
 
March 20, 2021, 1 p.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 9.0 ppb (9) 1.2 ppb (14) 32.0 μg/m3 (30) 18.0 μg/m3 (64) 64.0
 
March 20, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 15.0 ppb (14) 1.1 ppb (13) 31.0 μg/m3 (29) 17.0 μg/m3 (62) 62.0
 
March 20, 2021, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 20.0 ppb (19) 1.0 ppb (12) 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 20, 2021, 10 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 32.0 ppb (30) 1.0 ppb (12) 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 20, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 23.0 ppb (22) 1.0 ppb (12) 32.0 μg/m3 (30) 13.0 μg/m3 (53) 53.0
 
March 20, 2021, 8 a.m. N/A N/A N/A 16.0 ppb (16) N/A 4.0 ppb (6) 30.0 ppb (28) 1.0 ppb (12) 35.0 μg/m3 (33) 15.0 μg/m3 (58) 58.0
 
March 20, 2021, 7 a.m. N/A N/A N/A 23.0 ppb (22) N/A 5.0 ppb (8) 20.0 ppb (19) 1.1 ppb (13) 49.0 μg/m3 (46) 22.0 μg/m3 (72) 72.0
 
March 20, 2021, 6 a.m. N/A N/A N/A 25.0 ppb (24) N/A 13.0 ppb (19) 19.0 ppb (18) 1.2 ppb (14) 48.0 μg/m3 (45) 19.0 μg/m3 (66) 66.0
 
March 20, 2021, 5 a.m. N/A N/A N/A 27.0 ppb (26) N/A 16.0 ppb (23) 19.0 ppb (18) 1.3 ppb (15) 55.0 μg/m3 (51) 19.0 μg/m3 (66) 66.0
 
March 20, 2021, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A 15.0 ppb (22) 35.0 ppb (33) 1.2 ppb (14) 56.0 μg/m3 (52) 24.0 μg/m3 (77) 77.0
 
March 20, 2021, 3 a.m. N/A N/A N/A 27.0 ppb (26) N/A 4.0 ppb (6) 34.0 ppb (32) 1.3 ppb (15) 43.0 μg/m3 (40) 25.0 μg/m3 (79) 79.0
 
March 20, 2021, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 49.0 ppb (46) 1.2 ppb (14) 48.0 μg/m3 (45) 24.0 μg/m3 (77) 77.0
 
March 20, 2021, 1 a.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 57.0 ppb (58) 1.1 ppb (13) 54.0 μg/m3 (50) 26.0 μg/m3 (81) 81.0
 
March 20, 2021, midnight N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 68.0 ppb (94) 1.0 ppb (12) 49.0 μg/m3 (46) 19.0 μg/m3 (66) 94.0
 
March 19, 2021, 11 p.m. N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 78.0 ppb (105) 1.1 ppb (13) 59.0 μg/m3 (53) 30.0 μg/m3 (89) 105.0