ID: 1295

AQSQID: 000090222

Site Name: Calgary Northwest

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

Updated: July 6, 2020, 7:35 p.m.

Location: Calgary (Varsity Acres), CC

Reporting: True, Located: True

Current AQI: 30.0

Calgary (Varsity Acres) CC, CA: 51.0814, -114.1403

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 6, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.39 ppb (4) N/A N/A 30.0
 
July 5, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.31 ppb (3) N/A 2.8 μg/m3 (12) 31.0
 
July 5, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.31 ppb (3) N/A 2.1 μg/m3 (9) 28.0
 
July 5, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.32 ppb (4) N/A 1.7 μg/m3 (7) 27.0
 
July 5, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.31 ppb (3) N/A 1.5 μg/m3 (6) 25.0
 
July 5, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.32 ppb (4) N/A 1.5 μg/m3 (6) 19.0
 
July 5, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.32 ppb (4) N/A 1.8 μg/m3 (8) 12.0
 
July 5, 2020, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) 0.33 ppb (4) N/A 1.9 μg/m3 (8) 10.0
 
July 5, 2020, noon N/A N/A N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) 0.32 ppb (4) N/A 2.1 μg/m3 (9) 9.0
 
July 5, 2020, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
July 5, 2020, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.38 ppb (4) N/A 4.9 μg/m3 (20) 20.0
 
July 5, 2020, 8 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.35 ppb (4) N/A 4.9 μg/m3 (20) 20.0
 
July 5, 2020, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 5, 2020, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.4 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
July 5, 2020, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.32 ppb (4) N/A 4.3 μg/m3 (18) 22.0
 
July 5, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.3 ppb (3) N/A 3.1 μg/m3 (13) 26.0
 
July 5, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.29 ppb (3) N/A 3.5 μg/m3 (15) 28.0
 
July 5, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.28 ppb (3) N/A 4.1 μg/m3 (17) 31.0
 
July 5, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.26 ppb (3) N/A 3.3 μg/m3 (14) 32.0
 
July 5, 2020, midnight N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) 0.25 ppb (3) N/A 3.6 μg/m3 (15) 32.0
 
July 4, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.26 ppb (3) N/A 3.9 μg/m3 (16) 34.0
 
July 4, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 35.0
 
July 4, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.26 ppb (3) N/A 3.8 μg/m3 (16) 33.0
 
July 4, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.27 ppb (3) N/A 4.4 μg/m3 (18) 32.0
 
July 4, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.28 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
July 4, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.28 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
July 4, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 4, 2020, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.27 ppb (3) N/A 7.8 μg/m3 (32) 35.0
 
July 4, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.27 ppb (3) N/A 7.2 μg/m3 (30) 32.0
 
July 4, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.27 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
July 4, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.27 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
July 4, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.25 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
July 4, 2020, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.25 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
July 4, 2020, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 4, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.25 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
July 4, 2020, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.28 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
July 4, 2020, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) 0.33 ppb (4) N/A 12.5 μg/m3 (51) 51.0
 
July 4, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 10.9 μg/m3 (45) 45.0
 
July 4, 2020, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.26 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
July 4, 2020, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.24 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
July 4, 2020, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) 0.22 ppb (2) N/A 8.7 μg/m3 (36) 37.0
 
July 4, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.21 ppb (2) N/A 8.1 μg/m3 (34) 39.0
 
July 4, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) 0.2 ppb (2) N/A 8.3 μg/m3 (35) 41.0
 
July 3, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.2 ppb (2) N/A 8.6 μg/m3 (36) 42.0
 
July 3, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) 0.19 ppb (2) N/A 8.4 μg/m3 (35) 42.0
 
July 3, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) 0.19 ppb (2) N/A 9.4 μg/m3 (39) 44.0
 
July 3, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) 0.2 ppb (2) N/A 44.4 μg/m3 (122) 122.0
 
July 3, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.21 ppb (2) N/A 43.2 μg/m3 (119) 119.0
 
July 3, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 30.5 μg/m3 (89) 89.0
 
July 3, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 32.1 μg/m3 (93) 93.0
 
July 3, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 17.8 μg/m3 (62) 62.0
 
July 3, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 2.6 μg/m3 (11) 20.0
 
July 3, 2020, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 1.16 ppb (13) N/A 2.3 μg/m3 (10) 18.0
 
July 3, 2020, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 1.16 ppb (13) N/A 1.8 μg/m3 (8) 15.0
 
July 3, 2020, noon N/A N/A N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 1.14 ppb (13) N/A 1.6 μg/m3 (7) 14.0
 
July 3, 2020, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 1.13 ppb (13) N/A 1.8 μg/m3 (8) 13.0
 
July 3, 2020, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
July 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 1.12 ppb (12) N/A 1.8 μg/m3 (8) 17.0
 
July 3, 2020, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 1.11 ppb (12) N/A 1.9 μg/m3 (8) 18.0
 
July 3, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 1.13 ppb (13) N/A 2.2 μg/m3 (9) 19.0
 
July 3, 2020, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 1.19 ppb (13) N/A 5.4 μg/m3 (23) 23.0
 
July 3, 2020, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) 1.18 ppb (13) N/A 4.4 μg/m3 (18) 18.0
 
July 3, 2020, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 1.15 ppb (13) N/A 3.2 μg/m3 (13) 16.0
 
July 3, 2020, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 1.13 ppb (13) N/A 3.6 μg/m3 (15) 18.0
 
July 3, 2020, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 1.12 ppb (12) N/A 3.2 μg/m3 (13) 18.0
 
July 3, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 1.12 ppb (12) N/A 3.1 μg/m3 (13) 18.0
 
July 3, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 1.11 ppb (12) N/A 4.0 μg/m3 (17) 18.0
 
July 2, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 1.1 ppb (12) N/A 3.1 μg/m3 (13) 18.0
 
July 2, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 1.1 ppb (12) N/A 3.3 μg/m3 (14) 17.0
 
July 2, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 1.1 ppb (12) N/A 3.1 μg/m3 (13) 16.0
 
July 2, 2020, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 1.08 ppb (12) N/A 2.9 μg/m3 (12) 17.0
 
July 2, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 1.08 ppb (12) N/A 3.1 μg/m3 (13) 18.0
 
July 2, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 1.08 ppb (12) N/A 2.7 μg/m3 (11) 18.0
 
July 2, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 1.08 ppb (12) N/A 1.2 μg/m3 (5) 18.0
 
July 2, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 1.09 ppb (12) N/A 1.2 μg/m3 (5) 18.0
 
July 2, 2020, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 1.09 ppb (12) N/A 1.5 μg/m3 (6) 18.0
 
July 2, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 1.08 ppb (12) N/A 1.1 μg/m3 (5) 17.0
 
July 2, 2020, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 1.07 ppb (12) N/A 0.8 μg/m3 (3) 18.0
 
July 2, 2020, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 1.07 ppb (12) N/A 0.8 μg/m3 (3) 18.0
 
July 2, 2020, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 1.05 ppb (12) N/A 0.8 μg/m3 (3) 18.0
 
July 2, 2020, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 0.9 μg/m3 (4) 4.0
 
July 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 1.05 ppb (12) N/A 0.9 μg/m3 (4) 18.0
 
July 2, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 1.06 ppb (12) N/A 1.3 μg/m3 (5) 15.0
 
July 2, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 1.06 ppb (12) N/A 1.6 μg/m3 (7) 17.0
 
July 2, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 1.07 ppb (12) N/A 2.6 μg/m3 (11) 17.0
 
July 2, 2020, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 1.08 ppb (12) N/A 2.6 μg/m3 (11) 15.0
 
July 2, 2020, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 1.07 ppb (12) N/A 3.0 μg/m3 (12) 18.0
 
July 2, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 1.06 ppb (12) N/A 5.0 μg/m3 (21) 21.0
 
July 2, 2020, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) 1.05 ppb (12) N/A 2.9 μg/m3 (12) 23.0
 
July 2, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 1.04 ppb (12) N/A 2.6 μg/m3 (11) 25.0
 
July 2, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 1.04 ppb (12) N/A 2.7 μg/m3 (11) 24.0
 
July 1, 2020, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 ppb (22) 1.04 ppb (12) N/A 2.9 μg/m3 (12) 22.0
 
July 1, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) 1.05 ppb (12) N/A 2.6 μg/m3 (11) 22.0
 
July 1, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 1.04 ppb (12) N/A 2.2 μg/m3 (9) 22.0
 
July 1, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 1.04 ppb (12) N/A 1.3 μg/m3 (5) 22.0
 
July 1, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) 1.04 ppb (12) N/A N/A 23.0
 
July 1, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 1.04 ppb (12) N/A N/A 22.0
 
July 1, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 1.04 ppb (12) N/A -0.1 μg/m3 (0) 21.0
 
July 1, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) 1.04 ppb (12) N/A -0.1 μg/m3 (0) 23.0
 
July 1, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 1.04 ppb (12) N/A -0.1 μg/m3 (0) 18.0
 
July 1, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 1.05 ppb (12) N/A -0.1 μg/m3 (0) 15.0
 
July 1, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 1.06 ppb (12) N/A -0.1 μg/m3 (0) 12.0
 
July 1, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 1.05 ppb (12) N/A -0.1 μg/m3 (0) 12.0
 
July 1, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 1.03 ppb (11) N/A -0.1 μg/m3 (0) 14.0
 
July 1, 2020, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A N/A N/A -0.1 μg/m3 (0) 6.0
 
July 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 1.02 ppb (11) N/A -0.1 μg/m3 (0) 16.0
 
July 1, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 1.01 ppb (11) N/A -0.1 μg/m3 (0) 18.0
 
July 1, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 1.01 ppb (11) N/A -0.1 μg/m3 (0) 20.0
 
July 1, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 1.01 ppb (11) N/A -0.1 μg/m3 (0) 20.0
 
July 1, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 1.01 ppb (11) N/A -0.1 μg/m3 (0) 22.0
 
July 1, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 1.02 ppb (11) N/A -0.1 μg/m3 (0) 18.0
 
July 1, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 1.01 ppb (11) N/A 1.5 μg/m3 (6) 22.0
 
July 1, 2020, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 1.01 ppb (11) N/A 4.8 μg/m3 (20) 22.0
 
July 1, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 1.01 ppb (11) N/A 4.8 μg/m3 (20) 22.0
 
July 1, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 1.0 ppb (11) N/A 4.8 μg/m3 (20) 21.0
 
June 30, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 1.0 ppb (11) N/A 4.8 μg/m3 (20) 22.0
 
June 30, 2020, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 1.0 ppb (11) N/A 4.8 μg/m3 (20) 22.0
 
June 30, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 1.0 ppb (11) N/A 4.8 μg/m3 (20) 24.0
 
June 30, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 1.0 ppb (11) N/A 4.8 μg/m3 (20) 25.0
 
June 30, 2020, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 1.0 ppb (11) N/A 4.8 μg/m3 (20) 23.0
 
June 30, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 1.01 ppb (11) N/A 4.8 μg/m3 (20) 25.0
 
June 30, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.99 ppb (11) N/A 4.8 μg/m3 (20) 25.0
 
June 30, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 1.0 ppb (11) N/A N/A 25.0
 
June 30, 2020, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 1.02 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 5.0 ppb (4) 1.02 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) 1.02 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, noon N/A N/A N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) 1.01 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) 1.03 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.99 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 1.0 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.99 ppb (11) N/A 4.8 μg/m3 (20) 20.0
 
June 30, 2020, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.96 ppb (11) N/A 4.8 μg/m3 (20) 21.0
 
June 30, 2020, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.96 ppb (11) N/A 4.8 μg/m3 (20) 24.0
 
June 30, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) 0.96 ppb (11) N/A 4.8 μg/m3 (20) 23.0
 
June 30, 2020, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.95 ppb (11) N/A 4.8 μg/m3 (20) 27.0
 
June 30, 2020, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.93 ppb (10) N/A 4.8 μg/m3 (20) 28.0
 
June 30, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.92 ppb (10) N/A 4.8 μg/m3 (20) 29.0
 
June 30, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.92 ppb (10) N/A 4.6 μg/m3 (19) 28.0
 
June 29, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.93 ppb (10) N/A 4.0 μg/m3 (17) 28.0
 
June 29, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.95 ppb (11) N/A 4.2 μg/m3 (18) 27.0
 
June 29, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.92 ppb (10) N/A 4.1 μg/m3 (17) 24.0
 
June 29, 2020, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.92 ppb (10) N/A 4.3 μg/m3 (18) 22.0
 
June 29, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.92 ppb (10) N/A 4.1 μg/m3 (17) 22.0
 
June 29, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.92 ppb (10) N/A 4.6 μg/m3 (19) 19.0
 
June 29, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.91 ppb (10) N/A 3.6 μg/m3 (15) 18.0
 
June 29, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.91 ppb (10) N/A 3.6 μg/m3 (15) 18.0
 
June 29, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.91 ppb (10) N/A 4.2 μg/m3 (18) 18.0
 
June 29, 2020, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.9 ppb (10) N/A 3.5 μg/m3 (15) 20.0
 
June 29, 2020, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.9 ppb (10) N/A 3.9 μg/m3 (16) 21.0
 
June 29, 2020, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.89 ppb (10) N/A 3.9 μg/m3 (16) 21.0
 
June 29, 2020, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.89 ppb (10) N/A 5.6 μg/m3 (23) 23.0
 
June 29, 2020, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 31.2 μg/m3 (91) 91.0
 
June 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.88 ppb (10) N/A 31.0 μg/m3 (90) 90.0
 
June 29, 2020, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.87 ppb (10) N/A 2.1 μg/m3 (9) 20.0
 
June 29, 2020, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.87 ppb (10) N/A 1.0 μg/m3 (4) 21.0
 
June 29, 2020, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.87 ppb (10) N/A 0.7 μg/m3 (3) 21.0
 
June 29, 2020, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.87 ppb (10) N/A 1.0 μg/m3 (4) 22.0
 
June 29, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.87 ppb (10) N/A 1.0 μg/m3 (4) 22.0
 
June 29, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.87 ppb (10) N/A 0.0 μg/m3 (0) 23.0
 
June 29, 2020, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.86 ppb (10) N/A 0.0 μg/m3 (0) 24.0
 
June 29, 2020, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.85 ppb (9) N/A 0.0 μg/m3 (0) 28.0
 
June 29, 2020, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.86 ppb (10) N/A 0.0 μg/m3 (0) 28.0
 
June 28, 2020, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.86 ppb (10) N/A 0.0 μg/m3 (0) 26.0
 
June 28, 2020, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.85 ppb (9) N/A 0.0 μg/m3 (0) 26.0
 
June 28, 2020, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.86 ppb (10) N/A 0.0 μg/m3 (0) 25.0