ID: 2554

AQSQID: 80011G012

Site Name: Estaci¢N Nativitas

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

Updated: March 7, 2021, 11:32 p.m.

Location: Salamanca (Benito Juárez), MX

Reporting: True, Located: True

Current AQI: 41.0

Salamanca (Benito Juárez) MX, MX: 20.565228, -101.18824

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 55.0 ppb (51) 0.85 ppb (10) 40.8 μg/m3 (38) N/A 51.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 55.0 ppb (51) 0.83 ppb (10) 34.0 μg/m3 (32) N/A 51.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 52.0 ppb (49) 0.82 ppb (10) 38.7 μg/m3 (36) N/A 49.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 51.0 ppb (48) 0.82 ppb (10) 41.4 μg/m3 (39) N/A 48.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 49.0 ppb (46) 0.88 ppb (11) 42.4 μg/m3 (40) N/A 46.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (36) 0.87 ppb (11) 45.3 μg/m3 (42) N/A 42.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (26) 0.96 ppb (12) 51.3 μg/m3 (48) N/A 48.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (16) 1.12 ppb (13) 66.3 μg/m3 (57) N/A 57.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 7.0 ppb (7) 1.47 ppb (18) 89.1 μg/m3 (68) N/A 68.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (12) 1.02 ppb (12) 66.1 μg/m3 (57) N/A 57.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (13) 0.9 ppb (11) 59.4 μg/m3 (54) N/A 54.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) 0.83 ppb (10) 46.0 μg/m3 (43) N/A 43.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 24.0 ppb (23) 0.78 ppb (10) 37.2 μg/m3 (35) N/A 35.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (18) 0.84 ppb (10) 57.2 μg/m3 (53) N/A 53.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (13) 1.05 ppb (13) 78.0 μg/m3 (63) N/A 63.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 1.21 ppb (14) 78.4 μg/m3 (63) N/A 63.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (12) 1.3 ppb (15) 98.4 μg/m3 (73) N/A 73.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (10) 1.53 ppb (18) 92.3 μg/m3 (70) N/A 70.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 20.0 ppb (19) 1.42 ppb (16) 92.9 μg/m3 (70) N/A 70.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 17.0 ppb (16) 1.51 ppb (18) 97.4 μg/m3 (72) N/A 72.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 24.0 ppb (23) 1.62 ppb (19) 62.5 μg/m3 (55) N/A 55.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 44.0 ppb (41) 1.15 ppb (13) 44.1 μg/m3 (41) N/A 41.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 54.0 ppb (50) 0.91 ppb (11) 46.6 μg/m3 (44) N/A 50.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 56.0 ppb (55) 0.82 ppb (10) 43.6 μg/m3 (41) N/A 55.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 55.0 ppb (51) 0.79 ppb (10) 40.0 μg/m3 (38) N/A 51.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 54.0 ppb (50) 0.8 ppb (10) 45.2 μg/m3 (42) N/A 50.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 51.0 ppb (48) 0.8 ppb (10) 47.9 μg/m3 (45) N/A 48.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 49.0 ppb (46) 0.86 ppb (11) 49.5 μg/m3 (46) N/A 46.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 43.0 ppb (40) 0.89 ppb (11) 47.2 μg/m3 (44) N/A 44.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 31.0 ppb (29) 0.94 ppb (11) 52.7 μg/m3 (49) N/A 49.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 17.0 ppb (16) 1.21 ppb (14) 115.7 μg/m3 (82) N/A 82.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 24.0 ppb (35) 11.0 ppb (11) 2.05 ppb (23) 164.8 μg/m3 (106) N/A 106.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 12.0 ppb (12) 1.45 ppb (16) 112.7 μg/m3 (80) N/A 80.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) 5.0 ppb (5) 1.29 ppb (15) 125.3 μg/m3 (86) N/A 86.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A 16.0 ppb (23) 7.0 ppb (7) 1.11 ppb (13) 142.0 μg/m3 (95) N/A 95.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 3.0 ppb (3) 1.0 ppb (12) 116.0 μg/m3 (82) N/A 82.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 11.0 ppb (11) 1.09 ppb (13) 90.8 μg/m3 (69) N/A 69.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 19.0 ppb (18) 1.26 ppb (15) 110.5 μg/m3 (79) N/A 79.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 4.0 ppb (4) 1.16 ppb (14) 94.4 μg/m3 (71) N/A 71.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 3.0 ppb (3) 1.39 ppb (16) 79.7 μg/m3 (64) N/A 64.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) 1.22 ppb (14) 67.8 μg/m3 (58) N/A 58.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 21.0 ppb (20) 1.26 ppb (15) 69.6 μg/m3 (59) N/A 59.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 25.0 ppb (24) 1.12 ppb (13) 106.2 μg/m3 (77) N/A 77.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 7.0 ppb (7) 2.38 ppb (28) N/A N/A 28.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 5.0 ppb (5) 3.68 ppb (43) 80.8 μg/m3 (64) N/A 64.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 43.0 ppb (40) 1.15 ppb (13) 38.5 μg/m3 (36) N/A 40.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 53.0 ppb (50) 0.76 ppb (10) 39.6 μg/m3 (37) N/A 50.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 56.0 ppb (55) 0.76 ppb (10) 37.6 μg/m3 (35) N/A 55.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) 0.75 ppb (10) 50.5 μg/m3 (47) N/A 58.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 56.0 ppb (55) 0.78 ppb (10) 47.0 μg/m3 (44) N/A 55.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 54.0 ppb (50) 0.83 ppb (10) 52.1 μg/m3 (49) N/A 50.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 52.0 ppb (49) 0.79 ppb (10) 63.2 μg/m3 (56) N/A 56.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 42.0 ppb (39) 0.84 ppb (10) 102.9 μg/m3 (75) N/A 75.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 28.0 ppb (26) 0.9 ppb (11) 83.4 μg/m3 (66) N/A 66.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 11.0 ppb (11) 0.94 ppb (11) 89.0 μg/m3 (68) N/A 68.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 4.0 ppb (4) 1.15 ppb (13) 93.4 μg/m3 (71) N/A 71.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 2.0 ppb (2) 1.06 ppb (13) 80.0 μg/m3 (64) N/A 64.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 2.0 ppb (2) 1.12 ppb (13) 89.6 μg/m3 (69) N/A 69.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A 12.0 ppb (18) 2.0 ppb (2) 0.9 ppb (11) 66.1 μg/m3 (57) N/A 57.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 2.0 ppb (2) 0.84 ppb (10) 55.0 μg/m3 (51) N/A 51.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 3.0 ppb (3) 0.78 ppb (10) 52.4 μg/m3 (49) N/A 49.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A 24.0 ppb (35) 6.0 ppb (6) 0.74 ppb (8) 62.2 μg/m3 (55) N/A 55.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A 22.0 ppb (32) 7.0 ppb (7) 0.73 ppb (8) 67.3 μg/m3 (58) N/A 58.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 8.0 ppb (8) 0.74 ppb (8) 57.9 μg/m3 (53) N/A 53.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A 17.0 ppb (25) 11.0 ppb (11) 0.77 ppb (10) 55.1 μg/m3 (52) N/A 52.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 11.0 ppb (11) 0.81 ppb (10) 57.2 μg/m3 (53) N/A 53.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A 32.0 ppb (46) 15.0 ppb (14) 0.88 ppb (11) 94.6 μg/m3 (71) N/A 71.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A 28.0 ppb (40) 3.0 ppb (3) 3.57 ppb (41) N/A N/A 41.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 8.0 ppb (8) 2.57 ppb (30) 90.1 μg/m3 (69) N/A 69.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 42.0 ppb (39) 0.88 ppb (11) 35.5 μg/m3 (33) N/A 39.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A 13.0 ppb (19) 53.0 ppb (50) 0.69 ppb (8) 30.3 μg/m3 (29) N/A 50.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 55.0 ppb (51) 0.67 ppb (8) 33.0 μg/m3 (31) N/A 51.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 49.0 ppb (46) 0.62 ppb (7) 26.4 μg/m3 (25) N/A 46.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 48.0 ppb (45) 0.59 ppb (7) 28.5 μg/m3 (27) N/A 45.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 44.0 ppb (41) 0.59 ppb (7) 20.6 μg/m3 (20) N/A 41.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 40.0 ppb (38) 0.49 ppb (6) 24.2 μg/m3 (23) N/A 38.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 37.0 ppb (35) 1.31 ppb (15) 48.7 μg/m3 (46) N/A 46.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 30.0 ppb (28) 0.3 ppb (4) 67.8 μg/m3 (58) N/A 58.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 18.0 ppb (17) 0.51 ppb (6) 89.4 μg/m3 (69) N/A 69.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A 22.0 ppb (32) 6.0 ppb (6) 0.54 ppb (6) 79.8 μg/m3 (64) N/A 64.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 4.0 ppb (4) 0.44 ppb (5) 67.7 μg/m3 (58) N/A 58.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 3.0 ppb (3) 0.5 ppb (6) 74.3 μg/m3 (61) N/A 61.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A 23.0 ppb (33) 5.0 ppb (5) 2.36 ppb (28) 54.9 μg/m3 (51) N/A 51.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 14.0 ppb (13) N/A 28.2 μg/m3 (27) N/A 27.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (27) N/A 24.8 μg/m3 (23) N/A 27.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (23) N/A 27.6 μg/m3 (26) N/A 26.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 16.0 ppb (15) N/A 47.1 μg/m3 (44) N/A 44.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) N/A 50.3 μg/m3 (47) N/A 47.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 23.0 ppb (22) N/A 42.9 μg/m3 (40) N/A 40.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A 37.0 ppb (53) 30.0 ppb (28) N/A 38.9 μg/m3 (37) N/A 53.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A 133.0 ppb (127) 31.0 ppb (29) N/A 67.7 μg/m3 (58) N/A 127.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 68.0 ppb (92) 28.0 ppb (26) N/A 65.4 μg/m3 (57) N/A 92.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 89.0 ppb (107) 28.0 ppb (26) 0.39 ppb (5) 64.7 μg/m3 (56) N/A 107.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 52.0 ppb (49) 0.41 ppb (5) 59.8 μg/m3 (54) N/A 54.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A 14.0 ppb (20) 75.0 ppb (104) 0.6 ppb (7) 55.0 μg/m3 (51) N/A 104.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 76.0 ppb (104) 0.48 ppb (6) 49.8 μg/m3 (47) N/A 104.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 24.0 ppb (35) 78.0 ppb (105) 2.25 ppb (25) 50.4 μg/m3 (47) N/A 105.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 69.0 ppb (97) 0.93 ppb (11) 43.8 μg/m3 (41) N/A 97.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 64.0 ppb (81) 2.06 ppb (24) 37.2 μg/m3 (35) N/A 81.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 58.0 ppb (61) 0.64 ppb (7) 47.3 μg/m3 (44) N/A 61.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 26.0 ppb (38) 44.0 ppb (41) 0.95 ppb (11) 58.6 μg/m3 (53) N/A 53.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 29.0 ppb (27) 0.43 ppb (5) 57.9 μg/m3 (53) N/A 53.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.35 ppb (4) 69.3 μg/m3 (59) N/A 59.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 11.0 ppb (11) 0.9 ppb (11) 89.5 μg/m3 (69) N/A 69.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (12) 0.7 ppb (8) 108.6 μg/m3 (78) N/A 78.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 4.0 ppb (4) 0.4 ppb (5) 56.1 μg/m3 (52) N/A 52.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A 12.0 ppb (18) 8.0 ppb (8) 0.52 ppb (6) 69.6 μg/m3 (59) N/A 59.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 29.0 ppb (42) 13.0 ppb (13) 1.08 ppb (13) 59.6 μg/m3 (54) N/A 54.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 20.0 ppb (19) 2.03 ppb (23) 39.8 μg/m3 (37) N/A 37.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 31.0 ppb (29) 1.5 ppb (18) 46.4 μg/m3 (43) N/A 43.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 27.0 ppb (25) 0.74 ppb (8) 43.8 μg/m3 (41) N/A 41.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (24) N/A 48.3 μg/m3 (45) N/A 45.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (20) 3.46 ppb (40) 50.8 μg/m3 (48) N/A 48.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 36.0 ppb (34) 1.94 ppb (22) 48.8 μg/m3 (46) N/A 46.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 138.0 ppb (129) 36.0 ppb (34) N/A 69.5 μg/m3 (59) N/A 129.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 27.0 ppb (25) 0.79 ppb (10) 101.8 μg/m3 (75) N/A 75.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (22) 1.16 ppb (14) 99.6 μg/m3 (74) N/A 74.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 58.0 ppb (61) 0.46 ppb (6) 56.2 μg/m3 (52) N/A 61.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A 12.0 ppb (18) 68.0 ppb (94) 0.38 ppb (5) 54.0 μg/m3 (50) N/A 94.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 72.0 ppb (102) 0.36 ppb (5) 50.3 μg/m3 (47) N/A 102.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 70.0 ppb (100) 0.7 ppb (8) 55.8 μg/m3 (52) N/A 100.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 70.0 ppb (100) 0.48 ppb (6) 57.1 μg/m3 (53) N/A 100.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 62.0 ppb (74) 0.41 ppb (5) 61.3 μg/m3 (55) N/A 74.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 50.0 ppb (47) 0.64 ppb (7) 49.4 μg/m3 (46) N/A 47.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 41.0 ppb (38) 0.46 ppb (6) 47.2 μg/m3 (44) N/A 44.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 34.0 ppb (32) 0.91 ppb (11) 45.3 μg/m3 (42) N/A 42.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 29.0 ppb (27) 0.97 ppb (12) 49.7 μg/m3 (47) N/A 47.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (21) 0.4 ppb (5) 45.3 μg/m3 (42) N/A 42.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (16) 0.36 ppb (5) 41.8 μg/m3 (39) N/A 39.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (21) 0.28 ppb (4) 32.1 μg/m3 (30) N/A 30.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (26) 0.92 ppb (11) 26.0 μg/m3 (25) N/A 26.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) 0.63 ppb (7) 24.9 μg/m3 (24) N/A 28.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 31.0 ppb (29) 0.81 ppb (10) 27.9 μg/m3 (26) N/A 29.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (32) N/A 31.6 μg/m3 (30) N/A 32.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (32) N/A 39.9 μg/m3 (37) N/A 37.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 25.0 ppb (24) N/A 57.4 μg/m3 (53) N/A 53.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 34.0 ppb (49) 29.0 ppb (27) N/A 78.2 μg/m3 (63) N/A 63.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 26.0 ppb (38) 29.0 ppb (27) 1.81 ppb (21) 68.6 μg/m3 (58) N/A 58.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 32.0 ppb (46) 27.0 ppb (25) 0.64 ppb (7) 66.3 μg/m3 (57) N/A 57.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 40.0 ppb (57) 33.0 ppb (31) 0.59 ppb (7) 82.3 μg/m3 (65) N/A 65.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 40.0 ppb (38) 1.84 ppb (21) 93.4 μg/m3 (71) N/A 71.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 72.0 ppb (102) 0.38 ppb (5) 70.1 μg/m3 (59) N/A 102.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A 10.0 ppb (15) 79.0 ppb (106) 0.38 ppb (5) 55.7 μg/m3 (52) N/A 106.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 77.0 ppb (105) 3.02 ppb (35) 59.5 μg/m3 (54) N/A 105.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 72.0 ppb (102) 6.45 ppb (71) 67.3 μg/m3 (58) N/A 102.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 61.0 ppb (71) 1.66 ppb (20) 53.9 μg/m3 (50) N/A 71.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 30.0 ppb (43) 52.0 ppb (49) 0.97 ppb (12) 60.8 μg/m3 (54) N/A 54.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 34.0 ppb (49) 55.0 ppb (51) 1.79 ppb (21) 52.3 μg/m3 (49) N/A 51.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 52.0 ppb (49) 0.5 ppb (6) 58.0 μg/m3 (53) N/A 53.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 42.0 ppb (59) 40.0 ppb (38) 0.78 ppb (10) 77.9 μg/m3 (63) N/A 63.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 80.0 ppb (103) 24.0 ppb (23) 0.69 ppb (8) 95.3 μg/m3 (71) N/A 103.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 6.0 ppb (6) 0.74 ppb (8) 145.2 μg/m3 (96) N/A 96.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 2.0 ppb (2) 1.54 ppb (18) 106.4 μg/m3 (77) N/A 77.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) 0.82 ppb (10) 62.5 μg/m3 (55) N/A 55.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 1.67 ppb (20) 52.1 μg/m3 (49) N/A 49.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 3.83 ppb (44) 41.4 μg/m3 (39) N/A 44.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 23.0 ppb (22) 3.16 ppb (37) 44.6 μg/m3 (42) N/A 42.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 18.0 ppb (17) 1.31 ppb (15) 61.9 μg/m3 (55) N/A 55.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (13) 0.51 ppb (6) 76.0 μg/m3 (62) N/A 62.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 1.26 ppb (15) 77.3 μg/m3 (63) N/A 63.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.68 ppb (8) 87.5 μg/m3 (68) N/A 68.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 1.0 ppb (12) 94.7 μg/m3 (71) N/A 71.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (25) 0.78 ppb (10) 76.9 μg/m3 (62) N/A 62.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (32) 0.61 ppb (7) 84.4 μg/m3 (66) N/A 66.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (37) 0.62 ppb (7) 71.7 μg/m3 (60) N/A 60.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 54.0 ppb (50) 0.46 ppb (6) 51.9 μg/m3 (49) N/A 50.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 58.0 ppb (61) 0.31 ppb (4) 42.5 μg/m3 (40) N/A 61.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 58.0 ppb (61) 0.41 ppb (5) 40.8 μg/m3 (38) N/A 61.0