ID: 2211

AQSQID: 080310026

Site Name: La Casa Ncore - 4545 Navajo St.

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

Updated: March 4, 2021, 11:32 a.m.

Location: Denver (Nwestern Denver), CO

Reporting: True, Located: True

Current AQI: 31.0

Denver (Nwestern Denver) CO, US: 39.7794, -105.00523

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 4, 2021, 10 a.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) 17.7 μg/m3 (17) 6.3 μg/m3 (27) 31.0
 
March 4, 2021, 9 a.m. N/A N/A N/A 32.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (5) 21.2 μg/m3 (20) 6.0 μg/m3 (25) 31.0
 
March 4, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.41 ppb (5) 22.6 μg/m3 (21) 6.2 μg/m3 (26) 30.0
 
March 4, 2021, 7 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 9.0 ppb (9) 0.37 ppb (5) 22.1 μg/m3 (21) 5.3 μg/m3 (23) 26.0
 
March 4, 2021, 6 a.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 17.0 ppb (16) 0.33 ppb (4) 21.4 μg/m3 (20) 5.2 μg/m3 (22) 22.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.35 ppb (4) 23.2 μg/m3 (22) 5.7 μg/m3 (24) 24.0
 
March 4, 2021, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (20) 0.29 ppb (4) 23.2 μg/m3 (22) 4.4 μg/m3 (19) 22.0
 
March 4, 2021, 3 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 22.0 ppb (21) 0.25 ppb (3) 22.4 μg/m3 (21) 4.1 μg/m3 (18) 21.0
 
March 4, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 18.0 ppb (17) 0.32 ppb (4) 26.8 μg/m3 (25) 4.8 μg/m3 (20) 25.0
 
March 4, 2021, 1 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 25.0 ppb (24) 0.27 ppb (4) 21.9 μg/m3 (21) 4.1 μg/m3 (18) 24.0
 
March 4, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 33.0 ppb (31) 0.23 ppb (3) 28.6 μg/m3 (27) 3.7 μg/m3 (16) 31.0
 
March 3, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 36.0 ppb (34) 0.23 ppb (3) 25.1 μg/m3 (24) 3.1 μg/m3 (13) 34.0
 
March 3, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (38) 0.21 ppb (3) 22.2 μg/m3 (21) 3.2 μg/m3 (14) 38.0
 
March 3, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 22.9 μg/m3 (22) 3.2 μg/m3 (14) 39.0
 
March 3, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.13 ppb (2) 16.0 μg/m3 (15) 2.3 μg/m3 (10) 41.0
 
March 3, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.13 ppb (2) 11.9 μg/m3 (12) 2.0 μg/m3 (9) 39.0
 
March 3, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (34) 0.18 ppb (3) 19.1 μg/m3 (18) 3.0 μg/m3 (13) 34.0
 
March 3, 2021, 5 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 28.0 ppb (26) 0.24 ppb (3) 29.4 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
March 3, 2021, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 21.0 ppb (20) 0.28 ppb (4) 37.8 μg/m3 (35) 5.1 μg/m3 (22) 35.0
 
March 3, 2021, 3 p.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 14.0 ppb (13) 0.48 ppb (6) 35.8 μg/m3 (34) 5.3 μg/m3 (23) 34.0
 
March 3, 2021, 2 p.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 7.0 ppb (7) 0.57 ppb (7) 30.4 μg/m3 (29) 4.9 μg/m3 (21) 29.0
 
March 3, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 3.0 ppb (3) 0.44 ppb (5) 19.6 μg/m3 (19) 3.7 μg/m3 (16) 27.0
 
March 3, 2021, noon N/A N/A N/A 25.0 ppb (24) N/A 0.0 ppb (0) 5.0 ppb (5) 0.32 ppb (4) 10.5 μg/m3 (10) 3.0 μg/m3 (13) 24.0
 
March 3, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 4.0 ppb (4) 0.33 ppb (4) 10.3 μg/m3 (10) 3.3 μg/m3 (14) 25.0
 
March 3, 2021, 10 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) 0.36 ppb (5) 10.2 μg/m3 (10) 3.6 μg/m3 (16) 28.0
 
March 3, 2021, 9 a.m. N/A N/A N/A 24.0 ppb (23) N/A 0.0 ppb (0) 5.0 ppb (5) 0.24 ppb (3) 14.1 μg/m3 (14) 3.6 μg/m3 (16) 23.0
 
March 3, 2021, 8 a.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 4.0 ppb (4) 0.36 ppb (5) 22.5 μg/m3 (21) 5.4 μg/m3 (23) 25.0
 
March 3, 2021, 7 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 11.0 ppb (11) 0.3 ppb (4) 15.5 μg/m3 (15) 4.0 μg/m3 (17) 23.0
 
March 3, 2021, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A 0.0 ppb (0) 9.0 ppb (9) 0.31 ppb (4) 14.8 μg/m3 (14) 4.1 μg/m3 (18) 25.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.27 ppb (4) 19.3 μg/m3 (18) 4.4 μg/m3 (19) 19.0
 
March 3, 2021, 4 a.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) 36.8 μg/m3 (35) 6.3 μg/m3 (27) 35.0
 
March 3, 2021, 3 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 3.0 ppb (3) 0.54 ppb (6) 35.1 μg/m3 (33) 7.4 μg/m3 (31) 34.0
 
March 3, 2021, 2 a.m. N/A N/A N/A 40.0 ppb (38) N/A 1.0 ppb (2) 1.0 ppb (1) 0.86 ppb (11) 65.5 μg/m3 (57) 10.5 μg/m3 (44) 57.0
 
March 3, 2021, 1 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 6.0 ppb (6) 0.51 ppb (6) 45.3 μg/m3 (42) 5.5 μg/m3 (23) 42.0
 
March 3, 2021, midnight N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) 24.8 μg/m3 (23) 3.1 μg/m3 (13) 25.0
 
March 2, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) 20.5 μg/m3 (19) 2.8 μg/m3 (12) 30.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.17 ppb (3) 20.2 μg/m3 (19) 2.5 μg/m3 (11) 36.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 17.9 μg/m3 (17) 2.2 μg/m3 (10) 37.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.18 ppb (3) 13.0 μg/m3 (13) 1.5 μg/m3 (7) 38.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.17 ppb (3) 9.6 μg/m3 (9) 1.4 μg/m3 (6) 38.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 18.3 μg/m3 (17) 2.8 μg/m3 (12) 32.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.28 ppb (4) 32.4 μg/m3 (30) 4.4 μg/m3 (19) 30.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 20.0 ppb (19) 0.39 ppb (5) 40.9 μg/m3 (38) 5.8 μg/m3 (25) 38.0
 
March 2, 2021, 3 p.m. N/A N/A N/A 35.0 ppb (34) N/A 2.0 ppb (3) 11.0 ppb (11) 0.72 ppb (8) 32.7 μg/m3 (31) 7.1 μg/m3 (30) 34.0
 
March 2, 2021, 2 p.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 6.0 ppb (6) 0.81 ppb (10) 25.9 μg/m3 (24) 7.1 μg/m3 (30) 35.0
 
March 2, 2021, 1 p.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 1.0 ppb (1) 0.79 ppb (10) 19.7 μg/m3 (19) 5.9 μg/m3 (25) 37.0
 
March 2, 2021, noon N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 0.0 ppb (0) 0.61 ppb (7) 14.5 μg/m3 (14) 5.0 μg/m3 (21) 34.0
 
March 2, 2021, 11 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 0.0 ppb (0) 0.47 ppb (6) 13.1 μg/m3 (13) 4.6 μg/m3 (20) 34.0
 
March 2, 2021, 10 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.37 ppb (5) 12.9 μg/m3 (12) 4.8 μg/m3 (20) 34.0
 
March 2, 2021, 9 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.34 ppb (4) 14.2 μg/m3 (14) 5.0 μg/m3 (21) 34.0
 
March 2, 2021, 8 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.36 ppb (5) 15.4 μg/m3 (15) 5.1 μg/m3 (22) 34.0
 
March 2, 2021, 7 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) 0.32 ppb (4) 16.5 μg/m3 (16) 5.0 μg/m3 (21) 34.0
 
March 2, 2021, 6 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (5) 0.34 ppb (4) 19.2 μg/m3 (18) 5.8 μg/m3 (25) 33.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.34 ppb (4) 20.6 μg/m3 (20) 5.3 μg/m3 (23) 23.0
 
March 2, 2021, 4 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 14.0 ppb (13) 0.32 ppb (4) 25.6 μg/m3 (24) 6.4 μg/m3 (27) 28.0
 
March 2, 2021, 3 a.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 3.0 ppb (3) 0.54 ppb (6) 37.9 μg/m3 (36) 10.4 μg/m3 (44) 44.0
 
March 2, 2021, 2 a.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 1.0 ppb (1) 0.68 ppb (8) 57.8 μg/m3 (53) 10.4 μg/m3 (44) 53.0
 
March 2, 2021, 1 a.m. N/A N/A N/A 50.0 ppb (48) N/A 1.0 ppb (2) 1.0 ppb (1) 0.63 ppb (7) 57.8 μg/m3 (53) 8.3 μg/m3 (35) 53.0
 
March 2, 2021, midnight N/A N/A N/A 30.0 ppb (29) N/A 0.0 ppb (0) 22.0 ppb (21) 0.3 ppb (4) 31.6 μg/m3 (30) 5.2 μg/m3 (22) 30.0
 
March 1, 2021, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 33.0 ppb (31) 0.28 ppb (4) 32.1 μg/m3 (30) 5.2 μg/m3 (22) 31.0
 
March 1, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 38.0 ppb (36) 0.24 ppb (3) 31.3 μg/m3 (29) 5.4 μg/m3 (23) 36.0
 
March 1, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 39.0 ppb (37) 0.22 ppb (3) 32.4 μg/m3 (30) 5.4 μg/m3 (23) 37.0
 
March 1, 2021, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 34.0 ppb (32) 0.27 ppb (4) 38.2 μg/m3 (36) 6.2 μg/m3 (26) 36.0
 
March 1, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 38.0 ppb (36) 0.24 ppb (3) 30.9 μg/m3 (29) 5.0 μg/m3 (21) 36.0
 
March 1, 2021, 6 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 41.0 ppb (38) 0.22 ppb (3) 17.9 μg/m3 (17) 3.7 μg/m3 (16) 38.0
 
March 1, 2021, 5 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) 19.6 μg/m3 (19) 3.8 μg/m3 (16) 38.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.23 ppb (3) 21.6 μg/m3 (20) 3.9 μg/m3 (17) 35.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.29 ppb (4) 24.3 μg/m3 (23) 4.2 μg/m3 (18) 27.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 4.3 μg/m3 (18) 19.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.44 ppb (5) 16.7 μg/m3 (16) 4.1 μg/m3 (18) 18.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.34 ppb (4) 9.6 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.3 ppb (4) 9.4 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.27 ppb (4) 8.0 μg/m3 (8) 3.6 μg/m3 (16) 16.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.32 ppb (4) 9.9 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.32 ppb (4) 9.5 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.31 ppb (4) 10.3 μg/m3 (10) 4.1 μg/m3 (18) 18.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.32 ppb (4) 11.4 μg/m3 (11) 4.5 μg/m3 (19) 19.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.29 ppb (4) 11.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.29 ppb (4) 13.0 μg/m3 (13) 4.3 μg/m3 (18) 23.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.19 ppb (3) 8.8 μg/m3 (9) 3.1 μg/m3 (13) 38.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.17 ppb (3) 8.2 μg/m3 (8) 3.1 μg/m3 (13) 40.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 10.4 μg/m3 (10) 3.3 μg/m3 (14) 38.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) 5.6 μg/m3 (6) 2.1 μg/m3 (9) 43.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.15 ppb (2) 6.2 μg/m3 (6) 1.9 μg/m3 (8) 45.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.16 ppb (3) 6.6 μg/m3 (7) 2.2 μg/m3 (10) 45.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.17 ppb (3) 6.2 μg/m3 (6) 1.7 μg/m3 (8) 44.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) 4.9 μg/m3 (5) 1.6 μg/m3 (7) 43.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.17 ppb (3) 3.9 μg/m3 (4) 1.5 μg/m3 (7) 44.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 6.9 μg/m3 (7) 2.3 μg/m3 (10) 42.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.19 ppb (3) 6.7 μg/m3 (7) 2.5 μg/m3 (11) 41.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 6.5 μg/m3 (7) 2.5 μg/m3 (11) 37.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.28 ppb (4) 8.4 μg/m3 (8) 3.0 μg/m3 (13) 28.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) 0.5 ppb (6) 12.3 μg/m3 (12) 3.8 μg/m3 (16) 16.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.48 ppb (6) 10.8 μg/m3 (10) 3.7 μg/m3 (16) 16.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.45 ppb (6) 12.9 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.43 ppb (5) 11.2 μg/m3 (11) 3.7 μg/m3 (16) 16.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.44 ppb (5) 11.2 μg/m3 (11) 3.4 μg/m3 (15) 15.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.24 ppb (3) 6.2 μg/m3 (6) 1.7 μg/m3 (8) 26.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 5.2 μg/m3 (5) 1.3 μg/m3 (6) 38.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.27 ppb (4) 8.9 μg/m3 (9) 2.3 μg/m3 (10) 31.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) 7.2 μg/m3 (7) 2.1 μg/m3 (9) 31.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.21 ppb (3) 7.4 μg/m3 (7) 1.5 μg/m3 (7) 38.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) 8.9 μg/m3 (9) 2.2 μg/m3 (10) 25.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.19 ppb (3) 7.6 μg/m3 (8) 1.7 μg/m3 (8) 38.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.2 ppb (3) 6.9 μg/m3 (7) 1.5 μg/m3 (7) 41.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.19 ppb (3) 7.0 μg/m3 (7) 1.9 μg/m3 (8) 43.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.2 ppb (3) 10.2 μg/m3 (10) 1.8 μg/m3 (8) 42.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.18 ppb (3) 11.7 μg/m3 (11) 1.7 μg/m3 (8) 43.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.19 ppb (3) 13.2 μg/m3 (13) 3.7 μg/m3 (16) 43.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.18 ppb (3) 12.5 μg/m3 (12) 3.6 μg/m3 (16) 44.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 12.6 μg/m3 (12) 3.6 μg/m3 (16) 42.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.17 ppb (3) 12.1 μg/m3 (12) 3.0 μg/m3 (13) 43.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.17 ppb (3) 12.1 μg/m3 (12) 2.6 μg/m3 (11) 41.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 12.3 μg/m3 (12) 2.9 μg/m3 (13) 37.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.16 ppb (3) 14.0 μg/m3 (13) 2.8 μg/m3 (12) 39.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.23 ppb (3) 20.6 μg/m3 (20) 3.9 μg/m3 (17) 30.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) 0.29 ppb (4) 25.9 μg/m3 (24) 4.5 μg/m3 (19) 24.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) 17.6 μg/m3 (17) 3.4 μg/m3 (15) 17.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) 0.27 ppb (4) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 14.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.23 ppb (3) 14.4 μg/m3 (14) 3.1 μg/m3 (13) 21.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.21 ppb (3) 9.5 μg/m3 (9) 2.9 μg/m3 (13) 29.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 11.8 μg/m3 (11) 3.1 μg/m3 (13) 23.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.25 ppb (3) 13.9 μg/m3 (13) 3.4 μg/m3 (15) 27.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.28 ppb (4) 13.8 μg/m3 (13) 3.4 μg/m3 (15) 26.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 17.0 μg/m3 (16) 3.7 μg/m3 (16) 36.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.4 ppb (5) 26.6 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.58 ppb (7) 29.5 μg/m3 (28) 12.3 μg/m3 (52) 52.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.48 ppb (6) 29.7 μg/m3 (28) 11.2 μg/m3 (47) 47.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.41 ppb (5) 28.2 μg/m3 (27) 9.8 μg/m3 (41) 41.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.4 ppb (5) 31.4 μg/m3 (30) 8.7 μg/m3 (37) 37.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.35 ppb (4) 24.7 μg/m3 (23) 6.8 μg/m3 (29) 30.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.32 ppb (4) 25.3 μg/m3 (24) 7.2 μg/m3 (31) 38.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.3 ppb (4) 28.6 μg/m3 (27) 7.3 μg/m3 (31) 41.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.24 ppb (3) 23.0 μg/m3 (22) 5.8 μg/m3 (25) 43.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.2 ppb (3) 18.2 μg/m3 (17) 4.4 μg/m3 (19) 43.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.21 ppb (3) 20.2 μg/m3 (19) 4.8 μg/m3 (20) 40.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.31 ppb (4) 29.4 μg/m3 (28) 8.6 μg/m3 (36) 36.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (21) 0.62 ppb (7) 49.7 μg/m3 (47) 17.4 μg/m3 (63) 63.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A 41.0 ppb (39) N/A 2.0 ppb (3) 15.0 ppb (14) 0.74 ppb (8) 44.2 μg/m3 (41) 20.4 μg/m3 (69) 69.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A 35.0 ppb (34) N/A 2.0 ppb (3) 12.0 ppb (12) 0.72 ppb (8) 35.0 μg/m3 (33) 20.7 μg/m3 (70) 70.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 5.0 ppb (5) 0.84 ppb (10) 34.9 μg/m3 (33) 24.3 μg/m3 (77) 77.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A 40.0 ppb (38) N/A 2.0 ppb (3) 0.0 ppb (0) 0.81 ppb (10) 36.1 μg/m3 (34) 27.1 μg/m3 (83) 83.0
 
Feb. 26, 2021, noon N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) 0.0 ppb (0) 0.74 ppb (8) 37.4 μg/m3 (35) 28.3 μg/m3 (86) 86.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 0.0 ppb (0) 0.67 ppb (8) 33.6 μg/m3 (32) 25.7 μg/m3 (80) 80.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 0.0 ppb (0) 0.63 ppb (7) 35.1 μg/m3 (33) 26.4 μg/m3 (82) 82.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A 40.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.56 ppb (7) 34.4 μg/m3 (32) 25.1 μg/m3 (79) 79.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A 39.0 ppb (37) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) 36.3 μg/m3 (34) 25.8 μg/m3 (80) 80.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 ppb (5) 0.62 ppb (7) 34.8 μg/m3 (33) 25.3 μg/m3 (79) 79.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 0.0 ppb (0) 0.91 ppb (11) 38.5 μg/m3 (36) 25.8 μg/m3 (80) 80.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.92 ppb (11) 35.8 μg/m3 (34) 24.0 μg/m3 (77) 77.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A 47.0 ppb (45) N/A 1.0 ppb (2) 1.0 ppb (1) 1.08 ppb (13) 35.0 μg/m3 (33) 23.4 μg/m3 (75) 75.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A 43.0 ppb (41) N/A 0.0 ppb (0) 4.0 ppb (4) 0.66 ppb (8) 31.1 μg/m3 (29) 20.2 μg/m3 (69) 69.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A 47.0 ppb (45) N/A 0.0 ppb (0) 4.0 ppb (4) 0.59 ppb (7) 35.7 μg/m3 (34) 19.1 μg/m3 (66) 66.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A 47.0 ppb (45) N/A 0.0 ppb (0) 9.0 ppb (9) 0.56 ppb (7) 31.9 μg/m3 (30) 15.4 μg/m3 (58) 58.0
 
Feb. 26, 2021, midnight N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 24.0 ppb (23) 0.42 ppb (5) 27.2 μg/m3 (26) 13.0 μg/m3 (53) 53.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 35.0 ppb (33) 0.37 ppb (5) 27.0 μg/m3 (25) 11.3 μg/m3 (48) 48.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) N/A 0.34 ppb (4) 22.9 μg/m3 (22) 10.2 μg/m3 (43) 43.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) N/A 0.27 ppb (4) 16.0 μg/m3 (15) 8.7 μg/m3 (37) 37.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) N/A 0.26 ppb (4) 15.3 μg/m3 (15) 8.4 μg/m3 (36) 36.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 40.0 ppb (38) 0.27 ppb (4) 16.8 μg/m3 (16) 8.4 μg/m3 (36) 38.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 35.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) 15.9 μg/m3 (15) 7.2 μg/m3 (31) 34.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 33.0 ppb (31) 0.32 ppb (4) 13.7 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 28.0 ppb (26) 0.33 ppb (4) 9.8 μg/m3 (10) 6.0 μg/m3 (25) 26.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 13.0 ppb (13) 0.72 ppb (8) 11.1 μg/m3 (11) 6.0 μg/m3 (25) 31.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 4.0 ppb (4) 0.62 ppb (7) 7.8 μg/m3 (8) 4.4 μg/m3 (19) 36.0
 
Feb. 25, 2021, noon N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 21.0 ppb (20) 0.28 ppb (4) 6.1 μg/m3 (6) 3.4 μg/m3 (15) 20.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (31) 0.23 ppb (3) 4.5 μg/m3 (5) 2.7 μg/m3 (12) 31.0