AQSQID: 020200018

Site Name: Garden

Location: Anchorage (Airport Heights), AK

Reporting: True, Located: True

Current AQI: 17.0

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
March 28, 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) 4.0 μg/m3 (17) 17.0
 
March 28, 2020, 8 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
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 0.0 μg/m3 (0) 5.0 μg/m3 (21) 21.0
 
March 28, 2020, 6 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) 5.0 μg/m3 (21) 21.0
 
March 28, 2020, 5 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
 
March 28, 2020, 4 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
 
March 28, 2020, 3 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) 5.0 μg/m3 (21) 21.0
 
March 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 1.0 μg/m3 (1) 4.0 μg/m3 (17) 17.0
 
March 28, 2020, 1 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) 5.0 μg/m3 (21) 21.0
 
March 28, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
March 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
March 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
March 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 7 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) 4.0 μg/m3 (17) 17.0
 
March 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
March 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 4 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) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 3 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) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, noon N/A N/A N/A N/A N/A N/A N/A 2.7 ppb (30) 3.0 μg/m3 (3) 6.0 μg/m3 (25) 30.0
 
March 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 1.0 μg/m3 (1) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
March 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 7.0 μg/m3 (6) 11.0 μg/m3 (46) 46.0
 
March 27, 2020, 8 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) 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
March 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
March 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 3 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
 
March 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 8.0
 
March 27, 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) 3.0 μg/m3 (12) 12.0
 
March 26, 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
 
March 26, 2020, 10 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
 
March 26, 2020, 9 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
 
March 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
March 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A N/A 1.0
 
March 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
March 26, 2020, 5 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) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
March 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 9.0 μg/m3 (8) 11.0 μg/m3 (46) 46.0
 
March 26, 2020, noon 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
 
March 26, 2020, 11 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) 9.0 μg/m3 (38) 38.0
 
March 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
March 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
March 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
March 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
March 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
March 26, 2020, 4 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) 8.0 μg/m3 (33) 33.0
 
March 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
March 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
March 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 25.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
March 26, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
March 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 21.0 μg/m3 (19) 7.0 μg/m3 (29) 29.0
 
March 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
March 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
March 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
March 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
March 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 14.0 μg/m3 (13) 8.0 μg/m3 (33) 33.0
 
March 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
March 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (12) 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
March 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
March 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
March 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 12.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
March 25, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 15.0 μg/m3 (14) 12.0 μg/m3 (50) 50.0
 
March 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
March 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
March 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 24.0 μg/m3 (22) 14.0 μg/m3 (54) 54.0
 
March 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 23.0 μg/m3 (21) 18.0 μg/m3 (63) 63.0
 
March 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
March 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 25.0 μg/m3 (23) 13.0 μg/m3 (52) 52.0
 
March 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
March 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
March 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
March 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 13.0 μg/m3 (12) 12.0 μg/m3 (50) 50.0
 
March 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
March 25, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
March 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
March 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 32.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
March 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 49.0 μg/m3 (45) 18.0 μg/m3 (63) 63.0
 
March 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 42.0 μg/m3 (38) 18.0 μg/m3 (63) 63.0
 
March 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 1.1 ppb (12) 37.0 μg/m3 (34) 17.0 μg/m3 (61) 61.0
 
March 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
March 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.3 ppb (14) 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
March 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
March 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
March 24, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
March 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
March 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 9.0 μg/m3 (8) 10.0 μg/m3 (42) 42.0
 
March 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 11.0 μg/m3 (10) 13.0 μg/m3 (52) 52.0
 
March 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
March 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 21.0 μg/m3 (19) 14.0 μg/m3 (54) 54.0
 
March 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
March 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
March 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
March 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
March 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
March 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
March 24, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 12.0
 
March 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
March 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 16.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
March 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 32.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
March 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 31.0 μg/m3 (28) 6.0 μg/m3 (25) 28.0
 
March 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 43.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
March 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 78.0 μg/m3 (62) 13.0 μg/m3 (52) 62.0
 
March 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 1.4 ppb (16) 76.0 μg/m3 (60) 26.0 μg/m3 (80) 80.0
 
March 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 1.3 ppb (14) 74.0 μg/m3 (60) 34.0 μg/m3 (97) 97.0
 
March 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 1.0 ppb (11) 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
March 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) 34.0 μg/m3 (31) 21.0 μg/m3 (69) 69.0
 
March 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
March 23, 2020, noon N/A N/A N/A N/A N/A N/A N/A 2.5 ppb (28) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
March 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
March 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
March 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 21.0 μg/m3 (19) 22.0 μg/m3 (71) 71.0
 
March 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 15.0 μg/m3 (14) 16.0 μg/m3 (59) 59.0
 
March 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) 17.0 μg/m3 (15) 16.0 μg/m3 (59) 59.0
 
March 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) 12.0 μg/m3 (11) 16.0 μg/m3 (59) 59.0
 
March 23, 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
 
March 23, 2020, 4 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) 2.0 μg/m3 (8) 8.0
 
March 23, 2020, 3 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) 3.0 μg/m3 (12) 12.0
 
March 23, 2020, 2 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
 
March 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 4.0
 
March 23, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 8.0
 
March 22, 2020, 11 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) 1.0 μg/m3 (4) 4.0
 
March 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 1.0
 
March 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) -1.0 μg/m3 (0) -3.0 μg/m3 (0) 1.0
 
March 22, 2020, 8 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) -1.0 μg/m3 (0) 1.0
 
March 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
March 22, 2020, 6 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) -2.0 μg/m3 (0) 5.0
 
March 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
March 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
March 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
March 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
March 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
March 22, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 4.0 μg/m3 (4) -3.0 μg/m3 (0) 4.0
 
March 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
March 22, 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) 4.0 μg/m3 (17) 17.0
 
March 22, 2020, 9 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) 6.0 μg/m3 (25) 25.0
 
March 22, 2020, 8 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) 9.0 μg/m3 (38) 38.0
 
March 22, 2020, 7 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) 11.0 μg/m3 (46) 46.0
 
March 22, 2020, 6 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) 10.0 μg/m3 (42) 42.0
 
March 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 8.0 μg/m3 (7) 10.0 μg/m3 (42) 42.0
 
March 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 12.0
 
March 22, 2020, 3 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) 2.0 μg/m3 (8) 8.0
 
March 22, 2020, 2 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) 0.0 μg/m3 (0) 4.0
 
March 22, 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) 1.0 μg/m3 (4) 4.0
 
March 22, 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) 2.0 μg/m3 (8) 8.0
 
March 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 4.0
 
March 21, 2020, 10 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) 4.0 μg/m3 (17) 17.0
 
March 21, 2020, 9 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) 6.0 μg/m3 (25) 25.0
 
March 21, 2020, 8 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) 6.0 μg/m3 (25) 25.0
 
March 21, 2020, 7 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
 
March 21, 2020, 6 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) 1.0 μg/m3 (4) 6.0
 
March 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 12.0
 
March 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
March 21, 2020, 3 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
 
March 21, 2020, 2 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) 5.0 μg/m3 (21) 21.0
 
March 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 5.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
March 21, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
March 21, 2020, 11 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) 7.0 μg/m3 (29) 29.0
 
March 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0