ID: 452

AQSQID: 230090103

Site Name: Acadia Np - Mcfarland

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

Updated: June 18, 2021, 5:51 a.m.

Location: Bar Harbor (Eagle Lake Rd), ME

Reporting: True, Located: True

Current AQI: 47.0

Bar Harbor (Eagle Lake Rd) ME, US: 44.377048, -68.260902

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 18, 2021, 4 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 4.8 μg/m3 (20) 47.0
 
June 18, 2021, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 4.8 μg/m3 (20) 45.0
 
June 18, 2021, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 4.9 μg/m3 (21) 43.0
 
June 18, 2021, 1 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.3 μg/m3 (18) 41.0
 
June 18, 2021, midnight N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 3.8 μg/m3 (16) 39.0
 
June 17, 2021, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 2.9 μg/m3 (13) 37.0
 
June 17, 2021, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.9 μg/m3 (13) 36.0
 
June 17, 2021, 9 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
June 17, 2021, 8 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.5 μg/m3 (11) 36.0
 
June 17, 2021, 7 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
June 17, 2021, 6 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.1 μg/m3 (9) 36.0
 
June 17, 2021, 5 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 2.1 μg/m3 (9) 35.0
 
June 17, 2021, 4 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.2 μg/m3 (10) 34.0
 
June 17, 2021, 3 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.4 μg/m3 (10) 32.0
 
June 17, 2021, 2 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
June 17, 2021, 1 p.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.7 μg/m3 (12) 30.0
 
June 17, 2021, noon N/A 0.2 ppb (1) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.1 μg/m3 (13) 29.0
 
June 17, 2021, 11 a.m. N/A 0.3 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
June 17, 2021, 10 a.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.4 μg/m3 (19) 24.0
 
June 17, 2021, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.1 μg/m3 (22) 26.0
 
June 17, 2021, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.8 μg/m3 (20) 26.0
 
June 17, 2021, 7 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.6 μg/m3 (20) 27.0
 
June 17, 2021, 6 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
June 17, 2021, 5 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
June 17, 2021, 4 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 5.4 μg/m3 (23) 30.0
 
June 17, 2021, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.9 μg/m3 (25) 31.0
 
June 17, 2021, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 4.8 μg/m3 (20) 30.0
 
June 17, 2021, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
June 17, 2021, midnight N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.4 μg/m3 (10) 31.0
 
June 16, 2021, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
June 16, 2021, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
June 16, 2021, 9 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
June 16, 2021, 8 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
June 16, 2021, 7 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
June 16, 2021, 6 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 2.2 μg/m3 (10) 33.0
 
June 16, 2021, 5 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A N/A 33.0 ppb (31) N/A N/A 2.7 μg/m3 (12) 31.0
 
June 16, 2021, 4 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A N/A 33.0 ppb (31) N/A N/A 2.9 μg/m3 (13) 31.0
 
June 16, 2021, 3 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A N/A 32.0 ppb (30) N/A N/A 3.3 μg/m3 (14) 30.0
 
June 16, 2021, 2 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.6 μg/m3 (20) 27.0
 
June 16, 2021, 1 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
June 16, 2021, noon N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.3 μg/m3 (23) 23.0
 
June 16, 2021, 11 a.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 5.8 μg/m3 (25) 25.0
 
June 16, 2021, 10 a.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 6.1 μg/m3 (26) 26.0
 
June 16, 2021, 9 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.8 μg/m3 (25) 25.0
 
June 16, 2021, 8 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 5.9 μg/m3 (25) 25.0
 
June 16, 2021, 7 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
June 16, 2021, 6 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 0.9 μg/m3 (4) 22.0
 
June 16, 2021, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
June 16, 2021, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
June 16, 2021, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
June 16, 2021, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
June 16, 2021, 1 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.7 μg/m3 (12) 24.0
 
June 16, 2021, midnight N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.2 μg/m3 (14) 23.0
 
June 15, 2021, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
June 15, 2021, 10 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.1 μg/m3 (13) 30.0
 
June 15, 2021, 9 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.2 μg/m3 (14) 32.0
 
June 15, 2021, 8 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
June 15, 2021, 7 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.7 μg/m3 (12) 30.0
 
June 15, 2021, 6 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
June 15, 2021, 5 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
June 15, 2021, 4 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
June 15, 2021, 3 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.4 μg/m3 (10) 28.0
 
June 15, 2021, 2 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
June 15, 2021, 1 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
June 15, 2021, noon N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.1 μg/m3 (9) 25.0
 
June 15, 2021, 11 a.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
June 15, 2021, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 0.5 μg/m3 (3) 33.0
 
June 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
June 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.3 μg/m3 (6) 35.0
 
June 15, 2021, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 0.9 μg/m3 (4) 34.0
 
June 15, 2021, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
June 15, 2021, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
June 15, 2021, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
June 15, 2021, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
June 15, 2021, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.6 μg/m3 (24) 33.0
 
June 15, 2021, 1 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.4 μg/m3 (23) 33.0
 
June 15, 2021, midnight N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.4 μg/m3 (23) 34.0
 
June 14, 2021, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 4.9 μg/m3 (21) 36.0
 
June 14, 2021, 10 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 4.4 μg/m3 (19) 36.0
 
June 14, 2021, 9 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 3.7 μg/m3 (16) 35.0
 
June 14, 2021, 8 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
June 14, 2021, 7 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 3.2 μg/m3 (14) 33.0
 
June 14, 2021, 6 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A N/A 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
June 14, 2021, 5 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A N/A 36.0 ppb (34) N/A N/A 3.2 μg/m3 (14) 34.0
 
June 14, 2021, 4 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A N/A 42.0 ppb (39) N/A N/A 3.4 μg/m3 (15) 39.0
 
June 14, 2021, 3 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A N/A 43.0 ppb (40) N/A N/A 4.4 μg/m3 (19) 40.0
 
June 14, 2021, 2 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A N/A 43.0 ppb (40) N/A N/A 6.5 μg/m3 (28) 40.0
 
June 14, 2021, 1 p.m. N/A 0.1 ppb (1) 1.0 ppb (1) N/A N/A N/A 45.0 ppb (42) N/A N/A 5.2 μg/m3 (22) 42.0
 
June 14, 2021, noon N/A 0.1 ppb (1) 1.2 ppb (2) N/A N/A N/A 44.0 ppb (41) N/A N/A 6.6 μg/m3 (28) 41.0
 
June 14, 2021, 11 a.m. N/A 0.1 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 8.3 μg/m3 (35) 41.0
 
June 14, 2021, 10 a.m. N/A 0.1 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 9.7 μg/m3 (41) 41.0
 
June 14, 2021, 9 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 8.5 μg/m3 (36) 43.0
 
June 14, 2021, 8 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 8.6 μg/m3 (36) 44.0
 
June 14, 2021, 7 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 8.8 μg/m3 (37) 45.0
 
June 14, 2021, 6 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 8.1 μg/m3 (34) 44.0
 
June 14, 2021, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 7.7 μg/m3 (33) 44.0
 
June 14, 2021, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 7.7 μg/m3 (33) 44.0
 
June 14, 2021, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 7.1 μg/m3 (30) 46.0
 
June 14, 2021, 2 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 7.1 μg/m3 (30) 50.0
 
June 14, 2021, 1 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 6.4 μg/m3 (27) 55.0
 
June 14, 2021, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 6.0 μg/m3 (25) 58.0
 
June 13, 2021, 11 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 59.0 ppb (65) N/A N/A 4.9 μg/m3 (21) 65.0
 
June 13, 2021, 10 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 55.0 ppb (51) N/A N/A 4.5 μg/m3 (19) 51.0
 
June 13, 2021, 9 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 3.5 μg/m3 (15) 50.0
 
June 13, 2021, 8 p.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 2.9 μg/m3 (13) 55.0
 
June 13, 2021, 7 p.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A 2.7 μg/m3 (12) 50.0
 
June 13, 2021, 6 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 2.6 μg/m3 (11) 46.0
 
June 13, 2021, 5 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
June 13, 2021, 4 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
June 13, 2021, 3 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
June 13, 2021, 2 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
June 13, 2021, 1 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
June 13, 2021, noon N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
June 13, 2021, 11 a.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 4.4 μg/m3 (19) 30.0
 
June 13, 2021, 10 a.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 5.6 μg/m3 (24) 32.0
 
June 13, 2021, 9 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 6.4 μg/m3 (27) 32.0
 
June 13, 2021, 8 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.9 μg/m3 (25) 33.0
 
June 13, 2021, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.9 μg/m3 (25) 34.0
 
June 13, 2021, 6 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
June 13, 2021, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.4 μg/m3 (27) 34.0
 
June 13, 2021, 4 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.6 μg/m3 (28) 33.0
 
June 13, 2021, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 6.4 μg/m3 (27) 31.0
 
June 13, 2021, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 6.6 μg/m3 (28) 32.0
 
June 13, 2021, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.5 μg/m3 (28) 33.0
 
June 13, 2021, midnight N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.1 μg/m3 (26) 34.0
 
June 12, 2021, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.2 μg/m3 (22) 34.0
 
June 12, 2021, 10 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.9 μg/m3 (17) 32.0
 
June 12, 2021, 9 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
June 12, 2021, 8 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
June 12, 2021, 7 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
June 12, 2021, 6 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
June 12, 2021, 5 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
June 12, 2021, 4 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
June 12, 2021, 3 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
June 12, 2021, 2 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
June 12, 2021, 1 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
June 12, 2021, noon N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
June 12, 2021, 11 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.9 μg/m3 (17) 24.0
 
June 12, 2021, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.5 μg/m3 (15) 21.0
 
June 12, 2021, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 1.2 μg/m3 (5) 22.0
 
June 12, 2021, 8 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.8 μg/m3 (4) 24.0
 
June 12, 2021, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.8 μg/m3 (4) 24.0
 
June 12, 2021, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.9 μg/m3 (4) 24.0
 
June 12, 2021, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
June 12, 2021, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
June 12, 2021, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
June 12, 2021, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.5 μg/m3 (11) 24.0
 
June 12, 2021, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 2.7 μg/m3 (12) 24.0
 
June 12, 2021, midnight N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
June 11, 2021, 11 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.5 μg/m3 (11) 25.0
 
June 11, 2021, 10 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
June 11, 2021, 9 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0
 
June 11, 2021, 8 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
June 11, 2021, 7 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
June 11, 2021, 6 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
June 11, 2021, 5 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
June 11, 2021, 4 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
June 11, 2021, 3 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 5.7 μg/m3 (24) 25.0
 
June 11, 2021, 2 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 5.8 μg/m3 (25) 25.0
 
June 11, 2021, 1 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
June 11, 2021, noon N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
June 11, 2021, 11 a.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 8.6 μg/m3 (36) 36.0
 
June 11, 2021, 10 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
June 11, 2021, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
June 11, 2021, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
June 11, 2021, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.4 μg/m3 (15) 31.0
 
June 11, 2021, 6 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 2.6 μg/m3 (11) 33.0
 
June 11, 2021, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.1 μg/m3 (9) 34.0