ID: 2555

AQSQID: 80011G013

Site Name: Estaci¢N Dif

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

Updated: Oct. 25, 2021, 9:01 a.m.

Location: Salamanca (Irapuato), MX

Reporting: True, Located: True

Current AQI: 56.0

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
Oct. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 8.0 ppb (8) 1.51 ppb (18) 35.0 μg/m3 (33) 14.3 μg/m3 (56) 56.0
 
Oct. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (13) 1.54 ppb (18) 29.0 μg/m3 (27) 19.5 μg/m3 (67) 67.0
 
Oct. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 9.0 ppb (9) 1.75 ppb (21) 54.0 μg/m3 (50) 16.1 μg/m3 (60) 60.0
 
Oct. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 32.0 ppb (46) 10.0 ppb (10) 1.95 ppb (22) 51.0 μg/m3 (48) 14.9 μg/m3 (57) 57.0
 
Oct. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 19.0 ppb (18) 1.92 ppb (22) 47.0 μg/m3 (44) 15.9 μg/m3 (59) 59.0
 
Oct. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) 1.8 ppb (21) 32.0 μg/m3 (30) 8.8 μg/m3 (37) 37.0
 
Oct. 25, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 40.0 ppb (38) 1.56 ppb (19) 46.0 μg/m3 (43) 8.9 μg/m3 (38) 43.0
 
Oct. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 45.0 ppb (42) 1.71 ppb (20) 34.0 μg/m3 (32) 9.3 μg/m3 (39) 42.0
 
Oct. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (48) 1.58 ppb (19) 25.0 μg/m3 (24) 9.2 μg/m3 (39) 48.0
 
Oct. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 50.0 ppb (47) 1.56 ppb (19) 14.0 μg/m3 (13) 19.4 μg/m3 (67) 67.0
 
Oct. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 54.0 ppb (50) 1.65 ppb (19) 22.0 μg/m3 (21) 38.1 μg/m3 (108) 108.0
 
Oct. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 32.0 ppb (46) 70.0 ppb (100) 1.98 ppb (23) 36.0 μg/m3 (34) 35.4 μg/m3 (100) 100.0
 
Oct. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 67.0 ppb (91) 1.82 ppb (21) 34.0 μg/m3 (32) 32.1 μg/m3 (94) 94.0
 
Oct. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (45) 1.61 ppb (19) 34.0 μg/m3 (32) 26.8 μg/m3 (82) 82.0
 
Oct. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (28) 1.7 ppb (20) 39.0 μg/m3 (37) 38.1 μg/m3 (108) 108.0
 
Oct. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (9) 2.03 ppb (23) 84.0 μg/m3 (66) 58.2 μg/m3 (153) 153.0
 
Oct. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 3.0 ppb (3) 2.09 ppb (24) 125.0 μg/m3 (86) 49.8 μg/m3 (137) 137.0
 
Oct. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) 2.19 ppb (25) 67.0 μg/m3 (57) 31.4 μg/m3 (92) 92.0
 
Oct. 24, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 2.0 ppb (2) 1.81 ppb (21) 38.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Oct. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 2.0 ppb (2) 1.8 ppb (21) 42.0 μg/m3 (39) 23.9 μg/m3 (76) 76.0
 
Oct. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 1.81 ppb (21) 35.0 μg/m3 (33) 17.3 μg/m3 (62) 62.0
 
Oct. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 3.0 ppb (3) 1.85 ppb (22) 33.0 μg/m3 (31) 22.4 μg/m3 (73) 73.0
 
Oct. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 10.0 ppb (10) 1.72 ppb (20) 39.0 μg/m3 (37) 24.6 μg/m3 (78) 78.0
 
Oct. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 4.0 ppb (4) 1.91 ppb (22) 38.0 μg/m3 (36) 21.7 μg/m3 (72) 72.0
 
Oct. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 7.0 ppb (7) 1.92 ppb (22) 41.0 μg/m3 (38) 11.2 μg/m3 (47) 47.0
 
Oct. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 3.0 ppb (3) 2.07 ppb (24) 31.0 μg/m3 (29) 9.2 μg/m3 (39) 39.0
 
Oct. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 17.0 ppb (25) 4.0 ppb (4) 2.41 ppb (28) 33.0 μg/m3 (31) 10.8 μg/m3 (46) 46.0
 
Oct. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 8.0 ppb (8) 2.52 ppb (29) 26.0 μg/m3 (25) 10.2 μg/m3 (43) 43.0
 
Oct. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 27.0 ppb (25) 1.72 ppb (20) 67.0 μg/m3 (57) 6.5 μg/m3 (28) 57.0
 
Oct. 24, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 51.0 ppb (48) 1.41 ppb (16) 31.0 μg/m3 (29) 44.3 μg/m3 (123) 123.0
 
Oct. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 54.0 ppb (50) 1.47 ppb (18) 19.0 μg/m3 (18) 8.1 μg/m3 (34) 50.0
 
Oct. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (47) 1.42 ppb (16) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 47.0
 
Oct. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 42.0 ppb (39) 1.45 ppb (16) 5.0 μg/m3 (5) 11.4 μg/m3 (48) 48.0
 
Oct. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 42.0 ppb (39) 1.65 ppb (19) 15.0 μg/m3 (14) 21.4 μg/m3 (71) 71.0
 
Oct. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 43.0 ppb (40) 1.7 ppb (20) 13.0 μg/m3 (13) 17.4 μg/m3 (63) 63.0
 
Oct. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 29.0 ppb (27) 1.74 ppb (20) 29.0 μg/m3 (27) 10.6 μg/m3 (45) 45.0
 
Oct. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 22.0 ppb (21) 1.71 ppb (20) 23.0 μg/m3 (22) 11.5 μg/m3 (48) 48.0
 
Oct. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 12.0 ppb (12) 1.85 ppb (22) 38.0 μg/m3 (36) 15.2 μg/m3 (58) 58.0
 
Oct. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 5.0 ppb (5) 2.06 ppb (24) 50.0 μg/m3 (47) 12.6 μg/m3 (53) 53.0
 
Oct. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (3) 2.08 ppb (24) 38.0 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
Oct. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (6) 1.67 ppb (20) 18.0 μg/m3 (17) 4.9 μg/m3 (21) 21.0
 
Oct. 23, 2021, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (6) 1.56 ppb (19) 16.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
Oct. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (6) 1.41 ppb (16) 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Oct. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 8.0 ppb (8) 1.37 ppb (16) 9.0 μg/m3 (9) 8.8 μg/m3 (37) 37.0
 
Oct. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 5.0 ppb (5) 1.35 ppb (16) 20.0 μg/m3 (19) 16.8 μg/m3 (61) 61.0
 
Oct. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 2.0 ppb (2) 1.39 ppb (16) 24.0 μg/m3 (23) 8.2 μg/m3 (35) 35.0
 
Oct. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 7.0 ppb (7) 1.41 ppb (16) 22.0 μg/m3 (21) 4.7 μg/m3 (20) 21.0
 
Oct. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 13.0 ppb (13) 1.41 ppb (16) 19.0 μg/m3 (18) 4.2 μg/m3 (18) 18.0
 
Oct. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (11) 1.57 ppb (19) 43.0 μg/m3 (40) 9.4 μg/m3 (40) 40.0
 
Oct. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (13) 1.67 ppb (20) 61.0 μg/m3 (54) 11.5 μg/m3 (48) 54.0
 
Oct. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 14.0 ppb (13) 1.76 ppb (21) 60.0 μg/m3 (54) 8.6 μg/m3 (36) 54.0
 
Oct. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (22) 1.79 ppb (21) 64.0 μg/m3 (56) 6.1 μg/m3 (26) 56.0
 
Oct. 23, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (31) 1.77 ppb (21) 43.0 μg/m3 (40) 7.1 μg/m3 (30) 40.0
 
Oct. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 1.62 ppb (19) 34.0 μg/m3 (32) 8.8 μg/m3 (37) 37.0
 
Oct. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 1.63 ppb (19) 17.0 μg/m3 (16) 9.1 μg/m3 (38) 38.0
 
Oct. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (34) 1.56 ppb (19) 20.0 μg/m3 (19) 17.2 μg/m3 (62) 62.0
 
Oct. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (31) 1.59 ppb (19) 22.0 μg/m3 (21) 9.9 μg/m3 (42) 42.0
 
Oct. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (27) 1.65 ppb (19) 25.0 μg/m3 (24) 11.3 μg/m3 (48) 48.0
 
Oct. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (23) 1.67 ppb (20) 21.0 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
Oct. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (21) 1.65 ppb (19) 25.0 μg/m3 (24) 19.3 μg/m3 (67) 67.0
 
Oct. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 19.0 ppb (18) 1.71 ppb (20) 29.0 μg/m3 (27) 15.1 μg/m3 (58) 58.0
 
Oct. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 1.7 ppb (20) 33.0 μg/m3 (31) 20.8 μg/m3 (70) 70.0
 
Oct. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) 2.0 ppb (23) 53.0 μg/m3 (50) 15.9 μg/m3 (59) 59.0
 
Oct. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 1.95 ppb (22) 34.0 μg/m3 (32) 12.1 μg/m3 (51) 51.0
 
Oct. 22, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 4.0 ppb (4) 1.61 ppb (19) 20.0 μg/m3 (19) 10.7 μg/m3 (45) 45.0
 
Oct. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 5.0 ppb (5) 1.42 ppb (16) 14.0 μg/m3 (13) 10.6 μg/m3 (45) 45.0
 
Oct. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 4.0 ppb (4) 1.37 ppb (16) 17.0 μg/m3 (16) 7.9 μg/m3 (33) 33.0
 
Oct. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 5.0 ppb (5) 1.36 ppb (16) 16.0 μg/m3 (15) 8.2 μg/m3 (35) 35.0
 
Oct. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 10.0 ppb (10) 1.36 ppb (16) 11.0 μg/m3 (11) 9.5 μg/m3 (40) 40.0
 
Oct. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (12) 1.36 ppb (16) 11.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Oct. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 14.0 ppb (13) 1.35 ppb (16) 18.0 μg/m3 (17) 13.0 μg/m3 (53) 53.0
 
Oct. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 11.0 ppb (11) 1.43 ppb (16) 28.0 μg/m3 (26) 13.1 μg/m3 (54) 54.0
 
Oct. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 46.0 ppb (64) 14.0 ppb (13) 2.3 ppb (27) 27.0 μg/m3 (25) 16.1 μg/m3 (60) 64.0
 
Oct. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 45.0 ppb (63) 14.0 ppb (13) 3.08 ppb (36) 30.0 μg/m3 (28) 4.3 μg/m3 (18) 63.0
 
Oct. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 16.0 ppb (15) 2.67 ppb (31) 49.0 μg/m3 (46) 7.4 μg/m3 (31) 50.0
 
Oct. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 18.0 ppb (17) 1.59 ppb (19) 77.0 μg/m3 (62) 8.6 μg/m3 (36) 62.0
 
Oct. 22, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 26.0 ppb (25) 1.56 ppb (19) 46.0 μg/m3 (43) 8.0 μg/m3 (34) 43.0
 
Oct. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 1.6 ppb (19) 31.0 μg/m3 (29) 9.8 μg/m3 (41) 41.0
 
Oct. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (36) 1.6 ppb (19) 23.0 μg/m3 (22) 13.2 μg/m3 (54) 54.0
 
Oct. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 43.0 ppb (40) 1.52 ppb (18) 32.0 μg/m3 (30) 7.8 μg/m3 (33) 40.0
 
Oct. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 41.0 ppb (38) 1.59 ppb (19) 18.0 μg/m3 (17) 4.4 μg/m3 (19) 38.0
 
Oct. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (30) 1.66 ppb (20) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
Oct. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (26) 1.69 ppb (20) 16.0 μg/m3 (15) 16.9 μg/m3 (62) 62.0
 
Oct. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 25.0 ppb (24) 1.59 ppb (19) 24.0 μg/m3 (23) 21.4 μg/m3 (71) 71.0
 
Oct. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (20) 1.62 ppb (19) 35.0 μg/m3 (33) 20.7 μg/m3 (70) 70.0
 
Oct. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 12.0 ppb (12) 1.77 ppb (21) 35.0 μg/m3 (33) 25.4 μg/m3 (79) 79.0
 
Oct. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 5.0 ppb (5) 1.92 ppb (22) 49.0 μg/m3 (46) 19.6 μg/m3 (67) 67.0
 
Oct. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 22.0 ppb (32) 2.0 ppb (2) 1.82 ppb (21) 48.0 μg/m3 (45) 16.0 μg/m3 (60) 60.0
 
Oct. 21, 2021, noon N/A N/A N/A N/A N/A 17.0 ppb (25) 3.0 ppb (3) 1.58 ppb (19) 30.0 μg/m3 (28) 6.1 μg/m3 (26) 28.0
 
Oct. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 8.0 ppb (8) 1.47 ppb (18) 17.0 μg/m3 (16) 4.3 μg/m3 (18) 22.0
 
Oct. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (14) 1.36 ppb (16) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Oct. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (16) 1.34 ppb (15) 10.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
Oct. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (16) 1.34 ppb (15) 13.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
Oct. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 19.0 ppb (18) 1.34 ppb (15) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Oct. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 20.0 ppb (19) 1.35 ppb (16) 16.0 μg/m3 (15) 15.7 μg/m3 (59) 59.0
 
Oct. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) 1.4 ppb (16) 29.0 μg/m3 (27) 12.6 μg/m3 (53) 53.0
 
Oct. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 28.0 ppb (40) 19.0 ppb (18) 1.46 ppb (18) 34.0 μg/m3 (32) 16.4 μg/m3 (61) 61.0
 
Oct. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 56.0 ppb (77) 21.0 ppb (20) 1.45 ppb (16) 46.0 μg/m3 (43) 14.2 μg/m3 (56) 77.0
 
Oct. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 18.0 ppb (17) 2.09 ppb (24) 76.0 μg/m3 (62) 16.1 μg/m3 (60) 62.0
 
Oct. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 2.3 ppb (27) 63.0 μg/m3 (55) 9.1 μg/m3 (38) 55.0
 
Oct. 21, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (34) 1.77 ppb (21) 34.0 μg/m3 (32) 7.7 μg/m3 (33) 34.0
 
Oct. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (42) 1.61 ppb (19) 27.0 μg/m3 (25) 9.3 μg/m3 (39) 42.0
 
Oct. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (41) 1.55 ppb (19) 20.0 μg/m3 (19) 12.4 μg/m3 (52) 52.0
 
Oct. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (43) 1.49 ppb (18) 20.0 μg/m3 (19) 14.4 μg/m3 (56) 56.0
 
Oct. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 42.0 ppb (39) 1.54 ppb (18) 18.0 μg/m3 (17) 15.0 μg/m3 (58) 58.0
 
Oct. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 1.58 ppb (19) 22.0 μg/m3 (21) 20.7 μg/m3 (70) 70.0
 
Oct. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 34.0 ppb (32) 1.6 ppb (19) 26.0 μg/m3 (25) 26.4 μg/m3 (82) 82.0
 
Oct. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (24) 1.66 ppb (20) 41.0 μg/m3 (38) 18.2 μg/m3 (64) 64.0
 
Oct. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 19.0 ppb (18) 1.73 ppb (20) 44.0 μg/m3 (41) 18.1 μg/m3 (64) 64.0
 
Oct. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 12.0 ppb (12) 1.8 ppb (21) 67.0 μg/m3 (57) 25.9 μg/m3 (81) 81.0
 
Oct. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 50.0 ppb (69) 4.0 ppb (4) 1.94 ppb (22) 67.0 μg/m3 (57) 20.7 μg/m3 (70) 70.0
 
Oct. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 35.0 ppb (50) 2.0 ppb (2) 1.87 ppb (22) 45.0 μg/m3 (42) 18.3 μg/m3 (65) 65.0
 
Oct. 20, 2021, noon N/A N/A N/A N/A N/A 13.0 ppb (19) 3.0 ppb (3) 1.59 ppb (19) 36.0 μg/m3 (34) 17.9 μg/m3 (64) 64.0
 
Oct. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 42.0 ppb (59) 3.0 ppb (3) 1.41 ppb (16) 37.0 μg/m3 (35) 5.8 μg/m3 (25) 59.0
 
Oct. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 1.32 ppb (15) 17.0 μg/m3 (16) 4.7 μg/m3 (20) 20.0
 
Oct. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 15.0 ppb (14) 1.31 ppb (15) 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Oct. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) 1.29 ppb (15) 18.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
Oct. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 11.0 ppb (11) 1.34 ppb (15) 35.0 μg/m3 (33) 8.1 μg/m3 (34) 34.0
 
Oct. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 38.0 ppb (54) 13.0 ppb (13) 1.37 ppb (16) 29.0 μg/m3 (27) 3.7 μg/m3 (16) 54.0
 
Oct. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 17.0 ppb (16) 1.51 ppb (18) 21.0 μg/m3 (20) 4.4 μg/m3 (19) 28.0
 
Oct. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 22.0 ppb (21) 2.14 ppb (24) 33.0 μg/m3 (31) 8.9 μg/m3 (38) 39.0
 
Oct. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 9.0 ppb (9) 2.12 ppb (24) 77.0 μg/m3 (62) 11.0 μg/m3 (46) 62.0
 
Oct. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 4.0 ppb (4) 2.82 ppb (32) 67.0 μg/m3 (57) 7.4 μg/m3 (31) 57.0
 
Oct. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 14.0 ppb (13) 2.04 ppb (23) 51.0 μg/m3 (48) 5.8 μg/m3 (25) 48.0
 
Oct. 20, 2021, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 39.0 ppb (37) 1.56 ppb (19) 30.0 μg/m3 (28) 6.4 μg/m3 (27) 37.0
 
Oct. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 41.0 ppb (38) 1.51 ppb (18) 17.0 μg/m3 (16) 9.7 μg/m3 (41) 41.0
 
Oct. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 42.0 ppb (39) 1.47 ppb (18) 17.0 μg/m3 (16) 14.1 μg/m3 (56) 56.0
 
Oct. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 54.0 ppb (50) 1.45 ppb (16) 17.0 μg/m3 (16) 14.3 μg/m3 (56) 56.0
 
Oct. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 56.0 ppb (55) 1.43 ppb (16) 19.0 μg/m3 (18) 18.5 μg/m3 (65) 65.0
 
Oct. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 54.0 ppb (50) 1.41 ppb (16) 23.0 μg/m3 (22) 16.4 μg/m3 (61) 61.0
 
Oct. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 42.0 ppb (39) 1.49 ppb (18) 28.0 μg/m3 (26) 23.6 μg/m3 (76) 76.0
 
Oct. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 33.0 ppb (48) 27.0 ppb (25) 1.63 ppb (19) 34.0 μg/m3 (32) 18.3 μg/m3 (65) 65.0
 
Oct. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 17.0 ppb (16) 1.76 ppb (21) 33.0 μg/m3 (31) 13.1 μg/m3 (54) 54.0
 
Oct. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 7.0 ppb (7) 1.85 ppb (22) 49.0 μg/m3 (46) 30.5 μg/m3 (90) 90.0
 
Oct. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 3.0 ppb (3) 1.99 ppb (23) 56.0 μg/m3 (52) 12.8 μg/m3 (53) 53.0
 
Oct. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) 1.87 ppb (22) 41.0 μg/m3 (38) 9.7 μg/m3 (41) 41.0
 
Oct. 19, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) 1.67 ppb (20) 30.0 μg/m3 (28) 8.9 μg/m3 (38) 38.0
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 3.0 ppb (3) 1.45 ppb (16) 22.0 μg/m3 (21) 5.4 μg/m3 (23) 33.0
 
Oct. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 12.0 ppb (12) 1.33 ppb (15) 12.0 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
Oct. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) 1.31 ppb (15) 13.0 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (13) 1.32 ppb (15) 17.0 μg/m3 (16) 11.1 μg/m3 (47) 47.0
 
Oct. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 9.0 ppb (9) 1.38 ppb (16) 32.0 μg/m3 (30) 12.5 μg/m3 (52) 52.0
 
Oct. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 9.0 ppb (9) 1.4 ppb (16) 31.0 μg/m3 (29) 13.3 μg/m3 (54) 54.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 8.0 ppb (8) 1.53 ppb (18) 50.0 μg/m3 (47) 24.1 μg/m3 (77) 77.0
 
Oct. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 50.0 ppb (69) 5.0 ppb (5) 1.68 ppb (20) 63.0 μg/m3 (55) 17.0 μg/m3 (62) 69.0
 
Oct. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) 1.83 ppb (21) 51.0 μg/m3 (48) 3.8 μg/m3 (16) 48.0
 
Oct. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (23) 1.58 ppb (19) 45.0 μg/m3 (42) 2.8 μg/m3 (12) 42.0
 
Oct. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 32.0 ppb (30) 1.56 ppb (19) 41.0 μg/m3 (38) 3.2 μg/m3 (14) 38.0
 
Oct. 19, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (33) 1.65 ppb (19) 24.0 μg/m3 (23) 4.4 μg/m3 (19) 33.0
 
Oct. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 1.52 ppb (18) 17.0 μg/m3 (16) 6.3 μg/m3 (27) 34.0
 
Oct. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 39.0 ppb (37) 1.47 ppb (18) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 37.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 41.0 ppb (38) 1.44 ppb (16) 14.0 μg/m3 (13) 16.2 μg/m3 (60) 60.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 22.0 ppb (32) 49.0 ppb (46) 1.54 ppb (18) 23.0 μg/m3 (22) 20.2 μg/m3 (69) 69.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 45.0 ppb (42) 1.52 ppb (18) 12.0 μg/m3 (12) 9.6 μg/m3 (40) 42.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 37.0 ppb (35) 1.56 ppb (19) 18.0 μg/m3 (17) 19.9 μg/m3 (68) 68.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (28) 1.54 ppb (18) 13.0 μg/m3 (13) 11.5 μg/m3 (48) 48.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (21) 1.62 ppb (19) 24.0 μg/m3 (23) 12.3 μg/m3 (52) 52.0
 
Oct. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 9.0 ppb (9) 1.81 ppb (21) 37.0 μg/m3 (35) 17.8 μg/m3 (63) 63.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 5.0 ppb (5) 1.88 ppb (22) 46.0 μg/m3 (43) 13.7 μg/m3 (55) 55.0
 
Oct. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 3.0 ppb (3) 1.83 ppb (21) 47.0 μg/m3 (44) 37.3 μg/m3 (106) 106.0
 
Oct. 18, 2021, noon N/A N/A N/A N/A N/A 18.0 ppb (26) 2.0 ppb (2) 1.68 ppb (20) 30.0 μg/m3 (28) 9.9 μg/m3 (42) 42.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (9) 1.44 ppb (16) 13.0 μg/m3 (13) 1.0 μg/m3 (5) 16.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (13) 1.33 ppb (15) 10.0 μg/m3 (10) 4.4 μg/m3 (19) 19.0
 
Oct. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 16.0 ppb (15) 1.31 ppb (15) 6.0 μg/m3 (6) 6.1 μg/m3 (26) 26.0
 
Oct. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 17.0 ppb (16) 1.3 ppb (15) 3.0 μg/m3 (3) 5.3 μg/m3 (23) 23.0
 
Oct. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 18.0 ppb (17) 1.31 ppb (15) 11.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Oct. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 21.0 ppb (20) 1.33 ppb (15) 8.0 μg/m3 (8) 4.2 μg/m3 (18) 20.0
 
Oct. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 24.0 ppb (23) 1.37 ppb (16) 16.0 μg/m3 (15) 4.2 μg/m3 (18) 23.0