ID: 2555

AQSQID: 80011G013

Site Name: Estaci¢N Dif

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

Updated: Sept. 22, 2020, 12:39 p.m.

Location: Salamanca (Irapuato), MX

Reporting: True, Located: True

Current AQI: 41.0

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
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) 0.17 ppb (2) 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 25.0 ppb (19) 0.13 ppb (1) 13.0 μg/m3 (12) 9.9 μg/m3 (41) 41.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 22.0 ppb (17) 0.13 ppb (1) 13.0 μg/m3 (12) 10.6 μg/m3 (44) 44.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) 0.13 ppb (1) 15.0 μg/m3 (14) 11.6 μg/m3 (48) 48.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (22) 0.13 ppb (1) 2.0 μg/m3 (2) 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) 0.14 ppb (2) 3.0 μg/m3 (3) 8.9 μg/m3 (37) 37.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 32.0 ppb (25) 0.19 ppb (2) 21.0 μg/m3 (19) 16.7 μg/m3 (60) 60.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 29.0 ppb (22) 0.28 ppb (3) 57.0 μg/m3 (51) 16.5 μg/m3 (60) 60.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 34.0 ppb (26) 0.3 ppb (3) 76.0 μg/m3 (60) 6.4 μg/m3 (27) 60.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 44.0 ppb (34) 0.36 ppb (4) 60.0 μg/m3 (52) 5.2 μg/m3 (22) 52.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A 11.0 ppb (16) 52.0 ppb (40) 0.28 ppb (3) 53.0 μg/m3 (48) 11.5 μg/m3 (48) 48.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 56.0 ppb (43) 0.26 ppb (3) 33.0 μg/m3 (30) 22.5 μg/m3 (72) 72.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 57.0 ppb (44) 0.31 ppb (3) 12.0 μg/m3 (11) 51.8 μg/m3 (141) 141.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A 40.0 ppb (52) 57.0 ppb (44) 0.3 ppb (3) 27.0 μg/m3 (25) 28.9 μg/m3 (86) 86.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A 43.0 ppb (54) 55.0 ppb (42) 0.39 ppb (4) 46.0 μg/m3 (42) 23.8 μg/m3 (75) 75.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A 31.0 ppb (44) 42.0 ppb (32) 0.29 ppb (3) 45.0 μg/m3 (41) 18.1 μg/m3 (63) 63.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A 23.0 ppb (33) 32.0 ppb (25) 0.47 ppb (5) 39.0 μg/m3 (35) 8.8 μg/m3 (37) 37.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) 0.47 ppb (5) 34.0 μg/m3 (31) 12.4 μg/m3 (51) 51.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (15) 0.46 ppb (5) 44.0 μg/m3 (40) 13.3 μg/m3 (53) 53.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 7.0 ppb (5) 0.64 ppb (7) 51.0 μg/m3 (46) N/A 46.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 3.0 ppb (2) N/A 79.0 μg/m3 (62) 73.3 μg/m3 (159) 159.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 1.0 ppb (1) N/A 78.0 μg/m3 (62) 46.8 μg/m3 (128) 128.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A 12.0 ppb (17) 6.0 ppb (5) N/A 84.0 μg/m3 (64) 47.8 μg/m3 (131) 131.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 8.0 ppb (6) N/A 49.0 μg/m3 (45) 39.8 μg/m3 (111) 111.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 10.0 ppb (8) N/A 28.0 μg/m3 (25) 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) N/A 14.0 μg/m3 (13) 7.5 μg/m3 (31) 31.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) N/A 17.0 μg/m3 (15) 5.1 μg/m3 (21) 21.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 14.0 μg/m3 (13) 8.9 μg/m3 (37) 37.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) N/A 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 25.0 ppb (19) N/A 28.0 μg/m3 (25) 23.6 μg/m3 (75) 75.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A 47.0 ppb (55) 24.0 ppb (18) N/A 36.0 μg/m3 (33) 9.2 μg/m3 (38) 55.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (21) N/A 27.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 29.0 ppb (22) N/A 31.0 μg/m3 (28) 6.5 μg/m3 (27) 28.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) N/A 16.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (28) N/A 9.0 μg/m3 (8) 8.1 μg/m3 (34) 34.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (28) N/A 2.0 μg/m3 (2) 3.1 μg/m3 (13) 28.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 22.0 μg/m3 (20) 6.2 μg/m3 (26) 27.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 36.0 ppb (28) N/A 25.0 μg/m3 (23) 12.5 μg/m3 (51) 51.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 35.0 ppb (27) N/A 96.0 μg/m3 (70) 20.2 μg/m3 (67) 70.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 34.0 ppb (26) N/A 32.0 μg/m3 (29) 4.8 μg/m3 (20) 29.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 31.0 ppb (24) N/A 42.0 μg/m3 (38) 7.5 μg/m3 (31) 38.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 29.0 ppb (22) N/A 41.0 μg/m3 (37) 10.9 μg/m3 (45) 45.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) N/A 27.0 μg/m3 (25) 10.9 μg/m3 (45) 45.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 18.0 ppb (14) N/A 25.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 16.0 ppb (12) N/A 16.0 μg/m3 (15) 16.6 μg/m3 (60) 60.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) N/A 24.0 μg/m3 (22) 6.9 μg/m3 (29) 29.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (18) N/A 13.0 μg/m3 (12) 20.7 μg/m3 (69) 69.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A 32.0 ppb (46) 19.0 ppb (15) N/A 8.0 μg/m3 (7) 9.2 μg/m3 (38) 46.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 20.0 ppb (15) N/A 6.0 μg/m3 (5) 4.7 μg/m3 (20) 20.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 25.0 ppb (19) N/A 12.0 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 26.0 μg/m3 (24) 12.5 μg/m3 (51) 51.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 21.0 ppb (16) N/A 36.0 μg/m3 (33) 14.9 μg/m3 (56) 56.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 22.0 ppb (17) N/A 43.0 μg/m3 (39) 16.6 μg/m3 (60) 60.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A 42.0 ppb (53) 23.0 ppb (18) N/A 33.0 μg/m3 (30) 11.7 μg/m3 (49) 53.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A 44.0 ppb (54) 28.0 ppb (22) N/A 42.0 μg/m3 (38) 11.4 μg/m3 (48) 54.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A 34.0 ppb (49) 29.0 ppb (22) N/A 42.0 μg/m3 (38) 11.1 μg/m3 (46) 49.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 29.0 ppb (22) N/A 32.0 μg/m3 (29) 14.1 μg/m3 (54) 54.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 29.0 ppb (22) N/A 31.0 μg/m3 (28) 15.7 μg/m3 (58) 58.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A 25.0 ppb (36) 28.0 ppb (22) N/A 37.0 μg/m3 (34) 9.5 μg/m3 (40) 40.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 30.0 ppb (23) N/A 31.0 μg/m3 (28) 2.7 μg/m3 (11) 28.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (22) N/A 34.0 μg/m3 (31) 6.4 μg/m3 (27) 31.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) N/A 29.0 μg/m3 (26) 10.1 μg/m3 (42) 42.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) N/A 32.0 μg/m3 (29) 7.6 μg/m3 (32) 32.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) N/A 35.0 μg/m3 (32) 9.3 μg/m3 (39) 39.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (10) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 14.0 ppb (11) N/A 28.0 μg/m3 (25) 11.8 μg/m3 (49) 49.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) N/A 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) N/A 12.0 μg/m3 (11) 9.6 μg/m3 (40) 40.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A 29.0 ppb (41) 21.0 ppb (16) N/A 19.0 μg/m3 (17) 17.9 μg/m3 (63) 63.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 17.0 ppb (13) N/A 13.0 μg/m3 (12) 10.6 μg/m3 (44) 50.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 24.0 ppb (18) N/A 10.0 μg/m3 (9) 8.3 μg/m3 (35) 35.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) N/A 30.0 μg/m3 (27) 5.6 μg/m3 (23) 28.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) N/A 48.0 μg/m3 (44) 5.5 μg/m3 (23) 44.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) N/A 33.0 μg/m3 (30) 9.9 μg/m3 (41) 41.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 21.0 ppb (16) N/A 50.0 μg/m3 (45) 7.8 μg/m3 (32) 45.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) N/A 49.0 μg/m3 (45) 5.1 μg/m3 (21) 45.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (19) N/A 41.0 μg/m3 (37) 7.7 μg/m3 (32) 37.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 31.0 ppb (24) N/A 41.0 μg/m3 (37) 16.0 μg/m3 (59) 59.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 32.0 ppb (25) N/A 49.0 μg/m3 (45) 13.3 μg/m3 (53) 53.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 34.0 ppb (26) N/A 43.0 μg/m3 (39) 18.6 μg/m3 (64) 64.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 34.0 ppb (26) N/A 38.0 μg/m3 (35) 13.2 μg/m3 (53) 53.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 33.0 ppb (25) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 30.0 ppb (23) N/A 24.0 μg/m3 (22) 7.8 μg/m3 (32) 32.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) N/A 36.0 μg/m3 (33) 7.2 μg/m3 (30) 33.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 25.0 ppb (19) N/A 26.0 μg/m3 (24) 7.1 μg/m3 (30) 30.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 30.0 μg/m3 (27) 7.7 μg/m3 (32) 32.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 18.0 ppb (14) N/A 43.0 μg/m3 (39) 15.5 μg/m3 (57) 57.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A 36.0 ppb (50) 13.0 ppb (10) N/A 35.0 μg/m3 (32) 5.0 μg/m3 (21) 50.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (9) N/A 25.0 μg/m3 (23) 5.6 μg/m3 (23) 23.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 13.0 ppb (10) N/A 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) N/A 13.0 μg/m3 (12) 6.8 μg/m3 (28) 28.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 17.0 ppb (13) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 21.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) N/A 3.0 μg/m3 (3) 8.2 μg/m3 (34) 34.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (12) N/A 13.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 9.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 19.0 μg/m3 (17) 6.2 μg/m3 (26) 26.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 15.0 ppb (12) N/A 34.0 μg/m3 (31) 13.1 μg/m3 (52) 52.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 14.0 ppb (11) N/A 48.0 μg/m3 (44) 11.3 μg/m3 (47) 47.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 61.0 μg/m3 (53) 9.7 μg/m3 (40) 53.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 22.0 ppb (17) N/A 54.0 μg/m3 (49) 7.3 μg/m3 (30) 49.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A 11.0 ppb (16) 27.0 ppb (21) N/A 18.0 μg/m3 (16) 3.5 μg/m3 (15) 21.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 23.0 μg/m3 (21) 3.7 μg/m3 (15) 22.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (23) N/A 24.0 μg/m3 (22) 5.8 μg/m3 (24) 24.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 21.0 μg/m3 (19) 16.1 μg/m3 (59) 59.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (25) N/A 13.0 μg/m3 (12) 3.6 μg/m3 (15) 25.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 31.0 ppb (24) N/A 19.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (22) N/A 28.0 μg/m3 (25) 6.8 μg/m3 (28) 28.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) N/A 25.0 μg/m3 (23) 4.6 μg/m3 (19) 23.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 36.0 μg/m3 (33) 18.5 μg/m3 (64) 64.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 12.0 ppb (9) N/A 63.0 μg/m3 (54) 24.9 μg/m3 (77) 77.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A 34.0 ppb (49) 4.0 ppb (3) N/A 44.0 μg/m3 (40) 12.3 μg/m3 (51) 51.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 2.0 ppb (2) N/A 34.0 μg/m3 (31) 22.2 μg/m3 (72) 72.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A 26.0 ppb (37) 4.0 ppb (3) N/A 33.0 μg/m3 (30) 11.6 μg/m3 (48) 48.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 6.0 ppb (5) N/A 21.0 μg/m3 (19) 8.4 μg/m3 (35) 35.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 11.0 ppb (8) N/A 10.0 μg/m3 (9) 7.3 μg/m3 (30) 30.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 19.0 ppb (15) N/A 5.0 μg/m3 (5) 5.1 μg/m3 (21) 21.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 21.0 ppb (16) N/A 4.0 μg/m3 (4) 3.4 μg/m3 (14) 16.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (18) N/A 0.0 μg/m3 (0) 4.4 μg/m3 (18) 18.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) N/A 9.0 μg/m3 (8) 0.8 μg/m3 (3) 19.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (16) N/A 21.0 μg/m3 (19) 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) N/A 28.0 μg/m3 (25) 4.1 μg/m3 (17) 25.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 15.0 ppb (12) N/A 22.0 μg/m3 (20) 1.0 μg/m3 (4) 20.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) N/A 18.0 μg/m3 (16) 2.4 μg/m3 (10) 16.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) N/A 8.0 μg/m3 (7) 2.5 μg/m3 (10) 20.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) N/A 18.0 μg/m3 (16) 3.0 μg/m3 (12) 22.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) N/A 13.0 μg/m3 (12) 5.3 μg/m3 (22) 23.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 32.0 ppb (25) N/A 9.0 μg/m3 (8) 3.8 μg/m3 (16) 25.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) N/A 19.0 μg/m3 (17) 2.8 μg/m3 (12) 23.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 30.0 ppb (23) N/A 15.0 μg/m3 (14) 2.1 μg/m3 (9) 23.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) N/A 18.0 μg/m3 (16) 3.9 μg/m3 (16) 22.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (21) N/A 18.0 μg/m3 (16) 7.5 μg/m3 (31) 31.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 21.0 ppb (16) N/A 34.0 μg/m3 (31) 23.3 μg/m3 (74) 74.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A 24.0 ppb (34) 11.0 ppb (8) N/A 59.0 μg/m3 (52) 27.3 μg/m3 (83) 83.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 5.0 ppb (4) N/A 36.0 μg/m3 (33) 14.7 μg/m3 (56) 56.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 5.0 ppb (4) N/A 34.0 μg/m3 (31) 9.5 μg/m3 (40) 40.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (8) N/A 4.0 μg/m3 (4) 6.4 μg/m3 (27) 27.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (14) N/A 7.0 μg/m3 (6) 10.6 μg/m3 (44) 44.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 19.0 ppb (15) N/A 0.0 μg/m3 (0) 5.4 μg/m3 (23) 23.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) N/A 0.0 μg/m3 (0) 4.1 μg/m3 (17) 17.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (14) N/A 0.0 μg/m3 (0) 10.9 μg/m3 (45) 45.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) N/A 0.0 μg/m3 (0) 11.9 μg/m3 (50) 50.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A 22.0 ppb (31) 18.0 ppb (14) N/A 0.0 μg/m3 (0) 12.1 μg/m3 (50) 50.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A 26.0 ppb (37) 22.0 ppb (17) N/A 0.0 μg/m3 (0) 7.8 μg/m3 (32) 37.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 20.0 ppb (15) N/A 0.0 μg/m3 (0) 18.0 μg/m3 (63) 63.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) N/A 0.0 μg/m3 (0) 4.7 μg/m3 (20) 20.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 26.0 ppb (20) N/A 0.0 μg/m3 (0) 4.7 μg/m3 (20) 20.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (26) N/A 24.0 μg/m3 (22) 10.7 μg/m3 (45) 45.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (28) N/A 30.0 μg/m3 (27) 9.7 μg/m3 (40) 40.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A 19.0 μg/m3 (17) 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) N/A 24.0 μg/m3 (22) 7.1 μg/m3 (30) 30.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 34.0 ppb (26) N/A 15.0 μg/m3 (14) 4.7 μg/m3 (20) 26.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) N/A 21.0 μg/m3 (19) 3.1 μg/m3 (13) 25.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 25.0 μg/m3 (23) 3.2 μg/m3 (13) 23.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) N/A 27.0 μg/m3 (25) 16.6 μg/m3 (60) 60.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 21.0 ppb (16) N/A 37.0 μg/m3 (34) 8.6 μg/m3 (36) 36.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 11.0 ppb (8) N/A 38.0 μg/m3 (35) 6.8 μg/m3 (28) 35.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 14.0 ppb (11) N/A 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (14) N/A 15.0 μg/m3 (14) 9.4 μg/m3 (39) 39.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) N/A 16.0 μg/m3 (15) 22.5 μg/m3 (72) 72.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A 17.0 ppb (24) 16.0 ppb (12) N/A 21.0 μg/m3 (19) 6.9 μg/m3 (29) 29.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 18.0 ppb (14) N/A 2.0 μg/m3 (2) 5.7 μg/m3 (24) 24.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) N/A 10.0 μg/m3 (9) 3.0 μg/m3 (12) 17.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) N/A 4.0 μg/m3 (4) 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (18) N/A 15.0 μg/m3 (14) 11.8 μg/m3 (49) 49.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) N/A 22.0 μg/m3 (20) 12.4 μg/m3 (51) 51.0