ID: 807

AQSQID: 481410057

Site Name: Socorro Hueco C49

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

Updated: March 6, 2021, 6:32 a.m.

Location: El Paso (Old Hueco Tanks Rd), TX

Reporting: True, Located: True

Current AQI: 42.0

El Paso (Old Hueco Tanks Rd) TX, US: 31.66752, -106.28774

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 42.1 μg/m3 (39) 9.9 μg/m3 (42) 42.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 86.2 μg/m3 (67) 14.0 μg/m3 (55) 67.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 80.3 μg/m3 (64) 9.2 μg/m3 (39) 64.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 59.9 μg/m3 (54) 9.3 μg/m3 (39) 54.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 43.5 μg/m3 (41) 9.8 μg/m3 (41) 41.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 33.6 μg/m3 (32) 6.8 μg/m3 (29) 42.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 28.5 μg/m3 (27) 6.6 μg/m3 (28) 44.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 15.4 μg/m3 (15) 4.2 μg/m3 (18) 45.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 12.3 μg/m3 (12) 3.8 μg/m3 (16) 44.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 11.2 μg/m3 (11) 1.8 μg/m3 (8) 44.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 12.0 μg/m3 (12) 2.6 μg/m3 (11) 43.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 14.2 μg/m3 (14) 3.7 μg/m3 (16) 42.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 16.0 μg/m3 (15) 2.6 μg/m3 (11) 41.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 16.9 μg/m3 (16) 6.0 μg/m3 (25) 38.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 18.0 μg/m3 (17) 7.3 μg/m3 (31) 32.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 21.7 μg/m3 (21) 6.1 μg/m3 (26) 26.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 14.1 μg/m3 (14) 4.4 μg/m3 (19) 25.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 32.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.1 μg/m3 (11) 3.6 μg/m3 (16) 33.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 19.2 μg/m3 (18) 5.3 μg/m3 (23) 25.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 13.2 μg/m3 (13) 3.4 μg/m3 (15) 24.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 13.1 μg/m3 (13) 3.7 μg/m3 (16) 25.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 12.5 μg/m3 (12) 2.8 μg/m3 (12) 32.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 15.0 μg/m3 (14) 3.6 μg/m3 (16) 38.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 17.2 μg/m3 (16) 4.3 μg/m3 (18) 36.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 18.5 μg/m3 (18) 4.5 μg/m3 (19) 38.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 20.3 μg/m3 (19) 5.1 μg/m3 (22) 39.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 42.4 μg/m3 (40) 8.2 μg/m3 (35) 40.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 44.5 μg/m3 (42) 9.4 μg/m3 (40) 42.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 59.8 μg/m3 (54) 10.9 μg/m3 (46) 54.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 87.6 μg/m3 (68) 11.5 μg/m3 (48) 68.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 68.2 μg/m3 (58) 9.2 μg/m3 (39) 58.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 79.0 μg/m3 (63) 9.5 μg/m3 (40) 63.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 109.4 μg/m3 (78) 11.3 μg/m3 (48) 78.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 142.2 μg/m3 (95) 14.4 μg/m3 (56) 95.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 117.8 μg/m3 (83) 14.0 μg/m3 (55) 83.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 85.7 μg/m3 (67) 11.6 μg/m3 (49) 67.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 113.3 μg/m3 (80) 12.8 μg/m3 (53) 80.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 67.1 μg/m3 (57) 6.2 μg/m3 (26) 57.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 51.6 μg/m3 (48) 12.4 μg/m3 (52) 52.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 36.1 μg/m3 (34) 8.8 μg/m3 (37) 37.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 23.9 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 15.5 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 15.1 μg/m3 (14) 3.6 μg/m3 (16) 16.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 19.3 μg/m3 (18) 5.4 μg/m3 (23) 23.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 25.1 μg/m3 (24) 5.6 μg/m3 (24) 24.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 40.9 μg/m3 (38) 5.7 μg/m3 (24) 38.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 23.2 μg/m3 (22) 6.2 μg/m3 (26) 26.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.3 μg/m3 (17) 4.8 μg/m3 (20) 22.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 31.4 μg/m3 (30) 8.4 μg/m3 (36) 36.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 49.2 μg/m3 (46) 13.3 μg/m3 (54) 54.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 78.4 μg/m3 (63) 18.3 μg/m3 (65) 65.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 52.4 μg/m3 (49) 9.6 μg/m3 (40) 49.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 22.3 μg/m3 (21) 5.3 μg/m3 (23) 40.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 18.5 μg/m3 (18) 5.2 μg/m3 (22) 40.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 20.7 μg/m3 (20) 4.0 μg/m3 (17) 45.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 29.3 μg/m3 (28) 5.6 μg/m3 (24) 48.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 31.8 μg/m3 (30) 4.8 μg/m3 (20) 47.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 29.8 μg/m3 (28) 6.2 μg/m3 (26) 43.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 35.9 μg/m3 (34) 7.4 μg/m3 (31) 35.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 41.4 μg/m3 (39) 7.4 μg/m3 (31) 39.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 54.2 μg/m3 (51) 11.4 μg/m3 (48) 51.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 46.0 μg/m3 (43) 11.6 μg/m3 (49) 49.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 37.7 μg/m3 (35) 10.7 μg/m3 (45) 45.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.2 μg/m3 (28) 8.6 μg/m3 (36) 36.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 29.1 μg/m3 (27) 8.1 μg/m3 (34) 34.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 18.6 μg/m3 (18) 5.5 μg/m3 (23) 23.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 17.3 μg/m3 (17) 4.2 μg/m3 (18) 18.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 20.5 μg/m3 (19) 3.5 μg/m3 (15) 19.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 22.4 μg/m3 (21) 5.1 μg/m3 (22) 22.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 23.9 μg/m3 (23) 5.2 μg/m3 (22) 23.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 23.8 μg/m3 (23) 3.9 μg/m3 (17) 23.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 36.6 μg/m3 (34) 9.4 μg/m3 (40) 40.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 52.6 μg/m3 (49) 12.9 μg/m3 (53) 53.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 58.2 μg/m3 (53) 12.4 μg/m3 (52) 53.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 48.4 μg/m3 (45) 9.1 μg/m3 (38) 45.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 27.5 μg/m3 (26) 3.9 μg/m3 (17) 32.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 14.5 μg/m3 (14) 3.9 μg/m3 (17) 46.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 12.9 μg/m3 (12) 2.4 μg/m3 (10) 47.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 11.4 μg/m3 (11) 2.3 μg/m3 (10) 47.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 10.8 μg/m3 (10) 0.0 μg/m3 (0) 48.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 8.2 μg/m3 (8) 0.2 μg/m3 (1) 45.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 8.7 μg/m3 (9) 0.3 μg/m3 (2) 43.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 10.9 μg/m3 (11) -0.6 μg/m3 (0) 41.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.8 μg/m3 (17) 5.9 μg/m3 (25) 26.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 46.5 μg/m3 (44) 15.1 μg/m3 (58) 58.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 19.9 μg/m3 (19) 5.8 μg/m3 (25) 25.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 13.2 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 13.8 μg/m3 (13) 3.3 μg/m3 (14) 14.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 8.9 μg/m3 (9) 2.7 μg/m3 (12) 15.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 7.5 μg/m3 (7) 1.5 μg/m3 (7) 21.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 7.7 μg/m3 (8) 1.8 μg/m3 (8) 25.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 9.0 μg/m3 (9) 2.8 μg/m3 (12) 26.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 9.1 μg/m3 (9) 1.9 μg/m3 (8) 25.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 8.9 μg/m3 (9) 1.3 μg/m3 (6) 28.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 8.7 μg/m3 (9) 2.8 μg/m3 (12) 34.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 10.7 μg/m3 (10) 3.9 μg/m3 (17) 35.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 14.3 μg/m3 (14) 3.4 μg/m3 (15) 35.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.9 μg/m3 (13) 2.7 μg/m3 (12) 37.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 13.1 μg/m3 (13) 3.8 μg/m3 (16) 41.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 9.3 μg/m3 (9) 3.8 μg/m3 (16) 42.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 10.1 μg/m3 (10) 3.7 μg/m3 (16) 42.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 8.8 μg/m3 (9) 4.1 μg/m3 (18) 43.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 14.3 μg/m3 (14) 3.5 μg/m3 (15) 42.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 19.9 μg/m3 (19) 3.2 μg/m3 (14) 41.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 36.8 μg/m3 (35) 6.2 μg/m3 (26) 38.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 30.9 μg/m3 (29) 6.8 μg/m3 (29) 36.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 32.2 μg/m3 (30) 5.2 μg/m3 (22) 34.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 48.0 μg/m3 (45) 7.2 μg/m3 (31) 45.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 55.0 μg/m3 (51) 13.8 μg/m3 (55) 55.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 22.1 μg/m3 (21) 7.2 μg/m3 (31) 31.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 17.9 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 18.5 μg/m3 (18) 5.9 μg/m3 (25) 31.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 13.0 μg/m3 (13) 4.4 μg/m3 (19) 36.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 10.4 μg/m3 (10) 3.2 μg/m3 (14) 38.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 11.8 μg/m3 (11) 3.4 μg/m3 (15) 40.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 25.0 μg/m3 (24) 6.3 μg/m3 (27) 41.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 30.7 μg/m3 (29) 6.3 μg/m3 (27) 44.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 34.1 μg/m3 (32) 5.5 μg/m3 (23) 41.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 69.2 μg/m3 (59) 8.4 μg/m3 (36) 59.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 147.4 μg/m3 (97) 17.9 μg/m3 (64) 97.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 214.0 μg/m3 (131) 25.9 μg/m3 (81) 131.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 87.2 μg/m3 (67) 17.9 μg/m3 (64) 67.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 35.0 μg/m3 (33) 8.4 μg/m3 (36) 44.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 17.4 μg/m3 (17) 6.3 μg/m3 (27) 45.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 15.8 μg/m3 (15) 5.1 μg/m3 (22) 44.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 16.8 μg/m3 (16) 5.1 μg/m3 (22) 43.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 17.0 μg/m3 (16) 3.4 μg/m3 (15) 45.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 17.0 μg/m3 (16) 3.7 μg/m3 (16) 46.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 15.1 μg/m3 (14) 4.6 μg/m3 (20) 46.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 11.0 μg/m3 (11) 3.5 μg/m3 (15) 45.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 17.2 μg/m3 (16) 4.9 μg/m3 (21) 37.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 19.5 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 16.9 μg/m3 (16) 7.7 μg/m3 (33) 33.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 14.3 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 10.5 μg/m3 (10) 3.3 μg/m3 (14) 31.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 8.9 μg/m3 (9) 4.2 μg/m3 (18) 34.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 10.5 μg/m3 (10) 3.8 μg/m3 (16) 34.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.3 μg/m3 (13) 3.4 μg/m3 (15) 34.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.6 μg/m3 (16) 6.7 μg/m3 (28) 31.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.9 μg/m3 (15) 7.2 μg/m3 (31) 31.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 20.1 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 35.7 μg/m3 (34) 7.5 μg/m3 (32) 36.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.3 μg/m3 (70) 15.5 μg/m3 (59) 70.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 137.9 μg/m3 (93) 17.3 μg/m3 (62) 93.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 80.2 μg/m3 (64) 12.9 μg/m3 (53) 64.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 29.9 μg/m3 (28) 6.3 μg/m3 (27) 36.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 38.7 μg/m3 (36) 6.0 μg/m3 (25) 38.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 20.4 μg/m3 (19) 3.2 μg/m3 (14) 38.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.5 μg/m3 (16) 4.0 μg/m3 (17) 37.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 28.9 μg/m3 (27) 3.9 μg/m3 (17) 36.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 37.2 μg/m3 (35) 6.6 μg/m3 (28) 36.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 85.1 μg/m3 (66) 9.2 μg/m3 (39) 66.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 36.9 μg/m3 (35) 4.5 μg/m3 (19) 35.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 56.5 μg/m3 (52) 10.4 μg/m3 (44) 52.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 73.1 μg/m3 (60) 14.4 μg/m3 (56) 60.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 41.3 μg/m3 (39) 7.7 μg/m3 (33) 39.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 27.7 μg/m3 (26) 10.6 μg/m3 (45) 45.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 14.8 μg/m3 (14) 4.9 μg/m3 (21) 21.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 15.5 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 16.1 μg/m3 (15) 4.6 μg/m3 (20) 20.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 19.1 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 26.7 μg/m3 (25) 7.1 μg/m3 (30) 30.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 26.3 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 33.1 μg/m3 (31) 8.1 μg/m3 (34) 34.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 34.4 μg/m3 (32) 8.3 μg/m3 (35) 35.0