AQSQID: 020900034

Site Name: Ncore

Location: Fort Wainright (River St), AK

Reporting: True, Located: True

Current AQI: 15.0

Fort Wainright (River St) AK, US: 64.8458, -147.72727

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.1 ppb (1) N/A N/A 23.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 46.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 46.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (14) 0.3 ppb (3) N/A N/A 14.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (16) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 13.0 ppb (10) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 14.0 ppb (11) N/A N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) N/A 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 19.0 ppb (15) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 31.0 ppb (24) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 30.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 45.0 ppb (35) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 35.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 46.0 ppb (35) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 35.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 48.0 ppb (37) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 37.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 38.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 52.0 ppb (40) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 40.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 49.0 ppb (38) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 38.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 46.0 ppb (35) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 35.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 42.0 ppb (32) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (18) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 16.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 8.0 ppb (6) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (3) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 3.0 ppb (2) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 7.0 ppb (5) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 8.0 ppb (6) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 6.0 ppb (5) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 12.0 ppb (9) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 29.0 ppb (22) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 39.0 ppb (30) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 30.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 32.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 29.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 32.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (33) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 33.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 43.0 ppb (33) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 33.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 43.0 ppb (33) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 33.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 42.0 ppb (32) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 32.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 32.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 32.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 30.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 31.0 ppb (24) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 29.0 ppb (22) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 22.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 23.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 32.0 ppb (25) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 25.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 23.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 22.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 23.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 21.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 24.0 ppb (18) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (18) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (18) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 24.0 ppb (18) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 23.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.3 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 31.0 ppb (24) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 24.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (26) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 32.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 41.0 ppb (32) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 32.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (31) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 31.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 36.0 ppb (28) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 28.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 34.0 ppb (26) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 26.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 23.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) 0.2 ppb (2) N/A 0.0 μg/m3 (0) 21.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 17.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 16.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 17.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 17.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 15.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 20.0 ppb (15) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 24.0 ppb (18) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 25.0 ppb (19) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 25.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (31) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 31.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (34) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 34.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (35) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 35.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (35) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 35.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (35) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 35.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 51.0 ppb (39) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 39.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 52.0 ppb (40) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 40.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 51.0 ppb (39) 0.2 ppb (2) N/A 0.0 μg/m3 (0) 39.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 50.0 ppb (38) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 38.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (35) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 35.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 43.0 ppb (33) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 33.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 43.0 ppb (33) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 33.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 30.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 22.0 ppb (17) 0.3 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 17.0 ppb (13) 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) 0.3 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 19.0 ppb (15) 0.3 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 26.0 ppb (20) 0.3 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 35.0 ppb (27) 0.2 ppb (2) N/A 27.0 μg/m3 (82) 82.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (33) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 32.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (35) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 35.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (33) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 33.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (34) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 34.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (33) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 33.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (34) 0.1 ppb (1) N/A -1.0 μg/m3 (0) 34.0
 
May 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (34) 0.1 ppb (1) N/A 0.0 μg/m3 (0) 34.0
 
May 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 32.0
 
May 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 30.0
 
May 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 28.0
 
May 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
May 16, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 24.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 25.0
 
May 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 37.0 ppb (28) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 28.0
 
May 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 28.0
 
May 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 32.0
 
May 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (31) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 31.0
 
May 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 30.0
 
May 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (29) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 29.0
 
May 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 28.0
 
May 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
May 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
May 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 28.0
 
May 16, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 40.0 ppb (31) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 31.0
 
May 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
May 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 30.0
 
May 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 37.0 ppb (28) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
May 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 31.0 ppb (24) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
May 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
May 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 21.0
 
May 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 23.0 ppb (18) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 12.0 ppb (9) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 8.0 ppb (6) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 8.0 ppb (6) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 10.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
May 15, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 5.0 ppb (4) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 10.0 ppb (8) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 10.0 ppb (8) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0