AQSQID: 020200018

Site Name: Garden

Location: Anchorage (Airport Heights), AK

Reporting: True, Located: True

Current AQI: 46.0

Anchorage (Airport Heights) AK, US: 61.205861, -149.8246

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 7.0 μg/m3 (6) 11.0 μg/m3 (46) 46.0
 
Jan. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 17.0 μg/m3 (15) 20.0 μg/m3 (67) 67.0
 
Jan. 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Jan. 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
Jan. 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 28, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Jan. 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A 3.2 ppb (36) 2.0 μg/m3 (2) 7.0 μg/m3 (29) 36.0
 
Jan. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 3.0 μg/m3 (3) 8.0 μg/m3 (33) 33.0
 
Jan. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 23.0 μg/m3 (21) 17.0 μg/m3 (61) 61.0
 
Jan. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 32.0 μg/m3 (29) 37.0 μg/m3 (104) 104.0
 
Jan. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 1.8 ppb (20) 42.0 μg/m3 (38) 29.0 μg/m3 (86) 86.0
 
Jan. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 2.0 ppb (22) 30.0 μg/m3 (27) 24.0 μg/m3 (76) 76.0
 
Jan. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 24.0 μg/m3 (22) 22.0 μg/m3 (71) 71.0
 
Jan. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Jan. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 27, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 2.1 ppb (23) 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Jan. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 1.8 ppb (20) 26.0 μg/m3 (24) 22.0 μg/m3 (71) 71.0
 
Jan. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 2.3 ppb (26) 22.0 μg/m3 (20) 25.0 μg/m3 (78) 78.0
 
Jan. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 2.6 ppb (29) 29.0 μg/m3 (26) 25.0 μg/m3 (78) 78.0
 
Jan. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 1.6 ppb (18) 20.0 μg/m3 (18) 26.0 μg/m3 (80) 80.0
 
Jan. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 1.5 ppb (17) 9.0 μg/m3 (8) 16.0 μg/m3 (59) 59.0
 
Jan. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 13.0 μg/m3 (12) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 8.0 μg/m3 (7) 13.0 μg/m3 (52) 52.0
 
Jan. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 12.0 μg/m3 (11) 16.0 μg/m3 (59) 59.0
 
Jan. 26, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) 13.0 μg/m3 (12) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 15.0 μg/m3 (14) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 14.0 μg/m3 (13) 16.0 μg/m3 (59) 59.0
 
Jan. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (12) 22.0 μg/m3 (20) 16.0 μg/m3 (59) 59.0
 
Jan. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 20.0 μg/m3 (18) 20.0 μg/m3 (67) 67.0
 
Jan. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 13.0 μg/m3 (12) 17.0 μg/m3 (61) 61.0
 
Jan. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 26, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 1.5 ppb (17) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 2.9 ppb (32) 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Jan. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 2.5 ppb (28) 17.0 μg/m3 (15) 20.0 μg/m3 (67) 67.0
 
Jan. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 2.0 ppb (22) 9.0 μg/m3 (8) 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 1.4 ppb (16) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (12) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 16.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 1.3 ppb (14) 16.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 21.0 μg/m3 (19) 22.0 μg/m3 (71) 71.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 1.3 ppb (14) 23.0 μg/m3 (21) 24.0 μg/m3 (76) 76.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 1.4 ppb (16) 26.0 μg/m3 (24) 27.0 μg/m3 (82) 82.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 1.5 ppb (17) 24.0 μg/m3 (22) 29.0 μg/m3 (86) 86.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 1.5 ppb (17) 20.0 μg/m3 (18) 24.0 μg/m3 (76) 76.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 2.1 ppb (23) 15.0 μg/m3 (14) 18.0 μg/m3 (63) 63.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 1.9 ppb (21) 28.0 μg/m3 (25) 23.0 μg/m3 (73) 73.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 17.0 μg/m3 (15) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 25, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 2.2 ppb (24) 29.0 μg/m3 (26) 27.0 μg/m3 (82) 82.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 3.9 ppb (43) 12.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 4.3 ppb (48) 11.0 μg/m3 (10) 13.0 μg/m3 (52) 52.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 3.3 ppb (37) 12.0 μg/m3 (11) 18.0 μg/m3 (63) 63.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.4 ppb (16) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (12) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 12.0 μg/m3 (11) 13.0 μg/m3 (52) 52.0
 
Jan. 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A 3.3 ppb (37) 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 12.0 μg/m3 (11) 15.0 μg/m3 (56) 56.0
 
Jan. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 16.0 μg/m3 (15) 18.0 μg/m3 (63) 63.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (12) 17.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 12.0 μg/m3 (11) 14.0 μg/m3 (54) 54.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 16.0 μg/m3 (15) 20.0 μg/m3 (67) 67.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 6.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 3.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 3.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 1.0 μg/m3 (1) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) -1.0 μg/m3 (0) 3.0 μg/m3 (12) 12.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 1.0 μg/m3 (1) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 1.0 μg/m3 (1) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (12) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 2.0 μg/m3 (2) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 5.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 11.0 μg/m3 (10) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 1.4 ppb (16) 14.0 μg/m3 (13) 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 1.9 ppb (21) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 2.2 ppb (24) 12.0 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 2.4 ppb (27) 20.0 μg/m3 (18) 22.0 μg/m3 (71) 71.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 2.1 ppb (23) 13.0 μg/m3 (12) 15.0 μg/m3 (56) 56.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 2.6 ppb (29) 9.0 μg/m3 (8) 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.7 ppb (19) 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 2.0 μg/m3 (2) 8.0 μg/m3 (33) 33.0